CN219355598U - Waste gas collecting device - Google Patents

Abstract

The utility model discloses an exhaust gas collecting device, in particular to the technical field of collecting devices, which comprises a collecting box, wherein a limiting plate is arranged in the collecting box, a filter screen is fixedly embedded in the limiting plate, rotating shafts are respectively arranged at the top and the bottom of one side of the limiting plate, the front end and the rear end of each rotating shaft are movably connected with the front end and the rear end of the interior of the collecting box through bearings, each rotating shaft is fixedly provided with a cam, four corners on one side of the limiting plate are fixedly provided with a telescopic rod and a first spring, the first spring is sleeved at the outer end of the telescopic rod, a partition plate is fixedly arranged at one end, far away from the limiting plate, of the telescopic rod and the first spring, and a transmission mechanism for driving the two rotating shafts to rotate together is arranged at the rear end of the rotating shaft at the top. The utility model not only can clean the particles and dust adsorbed outside the filter screen and prevent the filter screen from being blocked, but also can collect the dust and the particles and can collect purified gas in a centralized and quantitative way.

Description

A waste gas collection device

technical field

The utility model relates to the technical field of stirring devices, in particular to a waste gas collecting device.

Background technique

In some production enterprises such as electronic component production, pickling workshop, painting workshop, food and brewing, catering, plastic products and other industries, a large amount of toluene, xylene, benzene, phenol, etc. will be produced in the processing and production process of the production workshop Organic gases, such as esters, aldehydes, malodorous gases, and various waste gases containing trace heavy metals, as well as wastes with large particle sizes in the collected waste gases, the production enterprises have specially set up corresponding professional waste gas collection devices .

However, in actual use, the particles and dust adsorbed on the filter cannot be cleaned in time. If the time is too long, the filter screen will be blocked, causing the exhaust gas to fail to pass through the filter screen normally, thereby affecting the filtration of the exhaust gas by the filter screen.

Utility model content

The purpose of this utility model is to provide a waste gas collection device, which can not only clean up the particles and dust adsorbed on the outside of the filter screen, prevent the filter screen from being blocked, but also collect the dust and particles and carry out centralized quantitative analysis of the purified gas Collected to address the above deficiencies in the technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a waste gas collection device, including a collection box, a limit plate is arranged inside the collection box, a filter screen is fixedly embedded in the limit plate, and the limit plate Both the top and the bottom of one side are provided with rotating shafts, and the front end and the rear end of the rotating shaft are movably connected with the front end and the rear end inside the collection box through bearings. The four corners on one side of the plate are fixed with a telescopic rod and a first spring, the first spring is sleeved on the outer end of the telescopic rod, and the end of the telescopic rod and the first spring away from the limit plate is fixed with a partition, The rear end of the rotating shaft at the top is provided with a transmission mechanism that drives the two rotating shafts to rotate together; the rear end of the rotating shaft at the bottom runs through the collection box and extends out of the rear end of the collection box, and the rear end of the collection box is fixed with a toolbox , the transmission mechanism is located inside the toolbox, the rear end of the rotating shaft at the top runs through the toolbox and extends to the rear end of the toolbox, and is movably connected by a bearing, the rear end of the rotating shaft at the top runs through a first bevel gear, The top end of the first bevel gear meshes with a second bevel gear, and the top end of the second bevel gear is fixedly provided with a motor that drives the rotation of the second bevel gear. Dust and particle dust collection mechanism, the right end of the collection box is fixed with an exhaust fan, the right end of the collection box is fixedly connected with the air inlet of the exhaust fan, and the air outlet of the exhaust fan is fixedly connected with a device for collecting and processing the gas As for the collection mechanism, a purification box for purifying exhaust gas is fixed on one side of the partition.

Preferably, the two pulleys located on the outer walls of the rear ends of the two rotating shafts are provided with the same belt on the outside of the two pulleys, which can drive the two rotating shafts to rotate simultaneously.

Preferably, the dust suction mechanism includes a chute located at the inner bottom of the collection box, the chute is fixedly communicated with the inner bottom of the collection box, the bottom end of the chute is fixedly connected with a first communication pipe, and the first communication The right end of the pipe is fixedly connected with a dust collection box, and a filter element is fixed inside the dust collection box. The right end of the filter element is fixedly connected with a second communication pipe. The right end communicates with the exhaust port of the exhaust fan to collect dust and particles in a concentrated manner.

Preferably, the collection mechanism includes an air collection box located at the right end of the exhaust fan, the top of the air collection box is fixedly connected with a piston barrel, the piston barrel is internally provided with a piston, and the left and right sides of the top of the piston are fixed with a second Two springs, the top of the piston is fixed with a touch rod, the touch rod is located between the two second springs, one end of the touch rod passes through the piston barrel and extends out of the top of the piston barrel, and the top of the piston barrel is fixed There is a support plate, the left and right sides of the bottom end of the support plate are fixed with support rods, the bottom end of the support rod is fixedly connected with the top of the gas collection box, and the bottom end of the support plate is fixed with a control second solenoid valve, a switch Valve, the switch of the first electromagnetic valve, the switch is located directly above the touch rod, the top of the gas collection box is fixed with an alarm, the switch controls the alarm, and collects the purified air in a centralized manner.

Preferably, the front end of the dust collection box is movably connected with a cabinet door through a hinge, and the front end of the cabinet door is fixedly connected with a handle, which is convenient for cleaning the dust and particles inside the dust collection box.

Preferably, the left end of the collection box is fixedly connected with an air inlet pipe, the outer wall of the air inlet pipe is fixedly provided with a second electromagnetic valve, the right end of the gas collection box is fixedly connected with an air outlet pipe, and the outer wall of the air outlet pipe is provided with a first electromagnetic valve , to facilitate the entry and exit of gas.

Preferably, four corners at the bottom of the collection box and the gas collection box are fixed with support legs for supporting the collection box and the gas collection box.

Preferably, a plurality of first through holes are opened inside the partition, and a plurality of second through holes are opened in the left end of the purification box, and the left and right of the first through holes correspond to the second through holes, so as to facilitate the circulation of gas.

In the above-mentioned technical scheme, the technical effects and advantages provided by the utility model:

1. The utility model can filter and purify the exhaust gas before collection. The exhaust gas enters the collection box from the intake pipe, and the larger particles and dust in the exhaust gas are filtered by the filter screen inside the collection box. Turn on the motor, and the motor drives the cam to rotate , the cam pushes the limit plate to move left and right, through the left and right movement of the filter screen, the particles and dust adsorbed on the filter screen are vibrated and dropped. The utility model can clean the particles and dust adsorbed on the outside of the filter screen to prevent the filter screen from being blocked;

2. The utility model can remove the dust and large particle impurities falling from the upper shaker. When the limit plate moves left and right, the dust and particles will fall into the inside of the chute, and the dust inside the chute will be sucked into the dust collection box under the action of the exhaust fan. Inside, dust and particles are collected intensively, and the utility model can collect dust and particles.

3. The utility model can collect the purified gas in a concentrated manner. When the gas pressure inside the gas collection box increases, the gas pushes the piston to move upward, the piston pushes the touch rod, the touch rod touches the switch, and the switch triggers the alarm to alarm , to remind people to deal with the gas collected inside the gas-collecting box in time, and discharge the gas inside the gas-collecting box. The utility model can collect and discharge the purified gas in a centralized and quantitative manner.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. For some embodiments described, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is the back view of the utility model;

Fig. 2 is a sectional view of the collection box of the present utility model;

Fig. 3 is a sectional view of a collection box and a toolbox of the present utility model;

Fig. 4 is a sectional view of the dust box of the present utility model;

Fig. 5 is a sectional view of the piston barrel of the present utility model;

Fig. 6 is a front view of the utility model.

Explanation of reference signs:

1 collection box, 2 limit plate, 3 filter screen, 4 rotating shaft, 5 cam, 6 telescopic rod, 7 first spring, 8 partition, 9 pulley, 10 belt, 11 first bevel gear, 12 second bevel gear, 13 Motor, 14 Chute, 15 First connecting pipe, 16 Dust collection box, 17 Filter element, 18 Second connecting pipe, 19 On-off valve, 20 Exhaust fan, 21 Gas collection box, 22 Piston cylinder, 23 Piston, 24 Second Spring, 25 touch rods, 26 support plates, 27 switches, 28 support rods, 29 outlet pipes, 30 first solenoid valves, 31 intake pipes, 32 second solenoid valves, 33 purification boxes, 34 alarms, 35 toolboxes.

Detailed ways

In order to make those skilled in the art better understand the technical solution of the utility model, the utility model will be further introduced in detail below in conjunction with the accompanying drawings.

The utility model provides a waste gas collection device as shown in Figures 1-6, comprising a collection box 1, the inside of the collection box 1 is provided with a limiting plate 2, and the inside of the limiting plate 2 is fixedly embedded with a filter screen 3, The top and bottom of one side of the limiting plate 2 are provided with a rotating shaft 4, the front end and the rear end of the rotating shaft 4 are movably connected with the internal front end and the rear end of the collection box 1 through bearings, and the front end and the rear end of each of the rotating shafts 4 All are fixedly provided with cam 5, and four corners on one side of the limiting plate 2 are fixedly provided with telescopic rod 6 and first spring 7, and described first spring 7 is sleeved on the outer end of telescopic rod 6, and described telescopic rod 6 and the end of the first spring 7 away from the limit plate 2 are fixed with a partition 8, the rear end of the rotating shaft 4 at the top is provided with a transmission mechanism that drives the two rotating shafts 4 to rotate together, and the rear end of the rotating shaft 4 at the bottom end passes through the collection box 1 and extends out of the rear end of the collection box 1, the rear end of the collection box 1 is fixed with a tool box 35, the transmission mechanism is located inside the tool box 35, and the rear end of the rotating shaft 4 at the top runs through the tool box 35 and extends to the inner rear end of the tool box 35, and is flexibly connected by a bearing. The rear end of the rotating shaft 4 at the top runs through a first bevel gear 11, and the top end of the first bevel gear 11 is meshed with a second bevel gear 12, so The top of the second bevel gear 12 is fixedly provided with a motor 13 that drives the rotation of the second bevel gear 12, and the right end of the collection box 1 is fixedly provided with an exhaust fan 20, and the right end of the collection box 1 is fixedly communicated with the air inlet of the exhaust fan 20;

In order to drive the two rotating shafts 4 to rotate simultaneously, as shown in Figure 3, the rear end of the rotating shaft 4 at the top is provided with a transmission mechanism that drives the two rotating shafts 4 to rotate together, and two pulleys on the outer walls of the rear ends of the two rotating shafts 4 9. The outside of the two pulleys 9 is provided with the same belt 10, the outer ends of the two rotating shafts 4 are provided with a pulley 9, and the outer ends of the two pulleys 9 are provided with the same belt 10, so that the two rotating shafts 4 can be driven to rotate at the same time .

The utility model can filter and purify the waste gas before collecting the waste gas, turn on the exhaust fan 20, the waste gas enters the collection box 1 from the air intake pipe 31, and the larger particles and dust in the waste gas are filtered by the filter screen 3 inside the collection box 1 , turn on the motor 13, the motor 13 drives the second bevel gear 12, the bottom end of the second bevel gear 12 meshes with the first bevel gear 11, the first bevel gear 11 runs through the rotating shaft 4, so as to drive the rotating shaft 4 to rotate, the two rotating shafts 4 is provided with transmission mechanism, under the drive of transmission mechanism, two rotating shafts 4 can rotate simultaneously, and rotating shaft 4 outer ends are fixedly provided with cam 5, and cam 5 rotates together under the drive of rotating shaft 4, and the rotation of cam 5 pushes limit The position plate 2 moves to the left, and the limit plate 2 side is provided with a first spring 7, and the first spring 7 moves to the right according to its own elasticity under the action of no pulling force to reset, so that the limit plate 2 can Move left and right, through the left and right movement of the limit plate 2, the particles and dust adsorbed on the filter screen 3 will be vibrated and dropped. The utility model can clean the particles and dust adsorbed on the outside of the filter screen 3 to prevent the filter screen from being blocked.

As shown in Figures 1, 5, and 6, the air outlet of the exhaust fan 20 is fixedly connected with a collection mechanism for collecting the processed gas, and one side of the partition 8 is fixedly provided with a purification box 33 for purifying waste gas. The mechanism includes a gas collection box 21 located at the right end of the exhaust fan 20, the top of the gas collection box 21 is fixedly connected with a piston cylinder 22, and the inside of the piston cylinder 22 is provided with a piston 23, and the left and right sides of the top of the piston 23 are fixedly equipped with The second spring 24, the top of the piston 23 is fixed with a touch rod 25, the touch rod 25 is located in the middle of the two second springs 24, one end of the touch rod 25 passes through the piston barrel 22 and extends out of the piston barrel 22 At the top, the top of the piston barrel 22 is fixedly provided with a support plate 26, and the left and right sides of the bottom end of the support plate 26 are fixedly provided with a support rod 28, and the bottom end of the support rod 28 is fixedly connected with the top of the gas collecting box 21, so that The bottom end of the support plate 26 is fixedly provided with a switch 27 for controlling the second solenoid valve 32, the switch valve 19, and the first solenoid valve 30. There is an alarm 34, the switch 27 controls the alarm 34, the left end of the collection box 1 is fixedly connected with an air intake pipe 31, the outer wall of the air intake pipe 31 is fixedly provided with a second solenoid valve 32, and the right end of the gas collection box 21 is fixed Connected with an air outlet pipe 29, the outer wall of the air outlet pipe 29 is provided with a first electromagnetic valve 30, the interior of the partition 8 is opened with a plurality of first through holes, and the left end of the purification box 33 is opened with a plurality of second through holes, The first through hole corresponds left and right to the second through hole;

After the exhaust gas is filtered by the filter screen 3, under the action of the exhaust fan 20, the exhaust gas enters the inside of the collection box 1 through the intake pipe 31, and then filters the dust and particles through the filter screen 3, and the exhaust gas passes through the clapboard 8 and the purification box 33. The first through-hole and the second through-hole enter the interior of the purification box 33, and the exhaust gas is purified in the purification box 33, and the treated gas enters the interior of the gas collection box 21 through the exhaust fan 20, and the gas pressure inside the gas collection box 21 When it becomes larger, the gas pushes the piston 23 to move upward, and the piston 23 pushes the touch rod 25 to move upward, so that the touch rod 25 touches the switch 27, and the switch 27 triggers the alarm 34 to alarm, so that the switch 27 can control the temperature of the outer wall of the air outlet pipe 29. The first solenoid valve 30 is opened, and the second solenoid valve 32 can be closed at the same time to discharge the gas purified inside the gas collection box 21. When the gas inside the gas collection box 21 decreases, the piston 23 is not pressed, and the spring at the top of the piston 23 Without pressure, it resets according to its own elasticity and closes the switch 27, which is convenient for the next use. The utility model can collect and discharge the purified gas in a centralized and quantitative manner.

As shown in Figures 2 and 4, the inner bottom of the collection box 1 is fixedly connected with a dust suction mechanism that absorbs the dust and particles falling on the limit plate 2, and the dust suction mechanism includes a slide at the bottom of the collection box 1. Groove 14, the chute 14 is fixedly connected with the inner bottom end of the collection box 1, the bottom end of the chute 14 is fixedly connected with a first connecting pipe 15, and the right end of the first connecting pipe 15 is fixedly connected with a dust collection box 16, The inside of the dust collection box 16 is fixedly provided with a filter element 17, the right end of the filter element 17 is fixedly connected with a second connecting pipe 18, the outer wall of the second connecting pipe 18 is provided with a switch valve 19, and the right end of the second connecting pipe 18 is connected to the The exhaust port of the exhaust fan 20 is connected, the front end of the dust collection box 16 is movably connected with a cabinet door through a hinge, and the front end of the cabinet door is fixedly connected with a handle;

The utility model can remove the dust and large particle impurities that fall from the top 3. When the limit plate 2 moves left and right too fast, the dust and particles fall into the inside of the chute 14, and the switch 27 opens the switch valve 19 under the action of the exhaust fan 20. , the dust inside the chute 14 is sucked into the inside of the dust collection box 16 through the first connecting pipe 15, and the inside of the dust collecting box 16 is provided with a filter element 17 to prevent the sucked dust from entering the inside of the exhaust fan 20 through the second connecting pipe 18 to prevent clogging The dust and particles collected by the exhaust fan 20 are stored inside the dust collection box 16. When the inside of the dust collection box 16 needs to be cleaned, the cabinet door at the front end of the dust collection box 16 is opened by the handle, and the inside of the dust collection box 16 is observed, which is convenient for work Personnel clean up and collect dust and particles in a concentrated manner. The utility model can collect dust and particles.

In order to support the collection box 1 and the gas collection box 21 from the bottom, four corners at the bottom of the collection box 1 and the gas collection box 21 are fixedly provided with support legs, which can support the utility model on the ground.

Some exemplary embodiments of the present utility model have been described above only by way of illustration. Undoubtedly, for those skilled in the art, without departing from the spirit and scope of the present utility model, various Modifications are made to the described embodiments. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims (8)

1. An exhaust gas collection device, comprising a collection box (1), characterized in that: the collection box (1) is provided with a limit plate (2), and the limit plate (2) is fixed and embedded with a filter screen ( 3), the top and bottom of one side of the limiting plate (2) are provided with a rotating shaft (4), and the front and rear ends of the rotating shaft (4) are both movably connected with the front and rear ends of the collection box (1) through bearings , the front and rear ends of each rotating shaft (4) are fixedly provided with cams (5), and the four corners on one side of the limiting plate (2) are fixedly provided with telescopic rods (6) and first springs ( 7), the first spring (7) is sleeved on the outer end of the telescopic rod (6), and the end of the telescopic rod (6) and the first spring (7) away from the limit plate (2) is fixed with a partition ( 8), the rear end of the rotating shaft (4) at the top is provided with a transmission mechanism that drives the two rotating shafts (4) to rotate together, and the rear end of the rotating shaft (4) at the bottom penetrates the collection box (1) and extends out of the collection box The rear end of the box (1), the tool box (35) is fixed at the rear end of the collection box (1), the transmission mechanism is located inside the tool box (35), and the rear end of the rotating shaft (4) at the top runs through the tool The box (35) extends to the inner rear end of the tool box (35), and is movably connected by a bearing. The rear end of the rotating shaft (4) at the top runs through a first bevel gear (11), and the first bevel gear (11 ) is meshed with a second bevel gear (12), the top of the second bevel gear (12) is fixed with a motor (13) that drives the rotation of the second bevel gear (12), and the inner bottom of the collection box (1) It is fixedly connected with a dust suction mechanism for absorbing the dust and particles falling on the limit plate (2), and the right end of the collection box (1) is fixed with an exhaust fan (20), and the right end of the collection box (1) is connected with the exhaust fan The air inlet of (20) is fixedly connected, the air outlet of the exhaust fan (20) is fixedly connected with a collection mechanism for collecting the processed gas, and one side of the partition (8) is fixed with a purification box (33 ). 2. An exhaust gas collection device according to claim 1, characterized in that: the transmission mechanism includes two pulleys (9) located on the outer walls of the rear ends of the two rotating shafts (4), and the two pulleys (9) The outside is provided with the same belt (10). 3. An exhaust gas collection device according to claim 1, characterized in that: the dust suction mechanism includes a chute (14) located at the inner bottom of the collection box (1), and the chute (14) is connected to the collection box (1) The inner bottom end is fixedly connected, the bottom end of the chute (14) is fixedly connected with the first connecting pipe (15), and the right end of the first connecting pipe (15) is fixedly connected with the dust collection box (16). The filter element (17) is fixed inside the dust collection box (16), and the right end of the filter element (17) is fixedly connected with a second connecting pipe (18), and the outer wall of the second connecting pipe (18) is provided with a switching valve (19 ), the right end of the second communication pipe (18) communicates with the exhaust port of the exhaust fan (20). 4. The waste gas collection device according to claim 1, characterized in that: the collection mechanism includes a gas collection box (21) located at the right end of the exhaust fan (20), and the top of the gas collection box (21) is fixedly communicated with There is a piston cylinder (22), and a piston (23) is arranged inside the piston cylinder (22), and a second spring (24) is fixed on the left and right sides of the top of the piston (23), and the top of the piston (23) A touch lever (25) is fixed, and the touch lever (25) is located between the two second springs (24). One end of the touch lever (25) passes through the piston barrel (22) and extends out of the piston barrel ( 22) Top, the top of the piston cylinder (22) is fixed with a support plate (26), and the left and right sides of the bottom of the support plate (26) are fixed with support rods (28), and the support rods (28) The bottom end is fixedly connected to the top end of the gas collecting box (21), and the bottom end of the support plate (26) is fixedly provided with a switch ( 27), the switch (27) is located directly above the touch lever (25), the top of the gas collecting box (21) is fixed with an alarm (34), and the switch (27) controls the alarm (34). 5. An exhaust gas collection device according to claim 3, characterized in that: the front end of the dust collection box (16) is movably connected to a cabinet door through a hinge, and the front end of the cabinet door is fixedly connected to a handle. 6. An exhaust gas collection device according to claim 4, characterized in that: the left end of the collection box (1) is fixedly connected with an air intake pipe (31), and the outer wall of the air intake pipe (31) is fixedly provided with a second electromagnetic Valve (32), the air outlet pipe (29) is fixedly connected to the right end of the gas collection box (21), and the outer wall of the air outlet pipe (29) is provided with a first solenoid valve (30). 7. The exhaust gas collection device according to claim 1, characterized in that: four corners at the bottom of the collection box (1) and the gas collection box (21) are fixedly provided with supporting legs. 8. An exhaust gas collection device according to claim 1, characterized in that: the partition (8) has a plurality of first through holes opened inside, and the left end of the purification box (33) has a plurality of second through holes opened. Through holes, the first through hole corresponds left and right to the second through hole.