CN110575711A - Spiral dewatering device - Google Patents

Spiral dewatering device Download PDF

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Publication number
CN110575711A
CN110575711A CN201910876743.8A CN201910876743A CN110575711A CN 110575711 A CN110575711 A CN 110575711A CN 201910876743 A CN201910876743 A CN 201910876743A CN 110575711 A CN110575711 A CN 110575711A
Authority
CN
China
Prior art keywords
spiral
barrel
core pipe
partition plate
air inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910876743.8A
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Chinese (zh)
Inventor
郑运兴
张如海
吕炎
白璐
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Beris Engineering and Research Corp
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Beris Engineering and Research Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beris Engineering and Research Corp filed Critical Beris Engineering and Research Corp
Priority to CN201910876743.8A priority Critical patent/CN110575711A/en
Publication of CN110575711A publication Critical patent/CN110575711A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D45/00Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/02Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D45/00Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cyclones (AREA)

Abstract

The invention relates to a spiral dehydration device, which comprises a vertically arranged barrel, wherein the side surface of the upper part of the barrel is provided with an air inlet, the air inlet direction of the air inlet is the same as the tangential direction of the outer side surface of the barrel, a core pipe is arranged in the barrel, the upper end of the core pipe penetrates out of the barrel, a spiral partition plate is arranged between the barrel and the core pipe, and the spiral partition plate is arranged around the core pipe; the lower end of the cylinder body is fixedly connected with the conical hopper; a spiral closed channel is formed between the spiral partition plate and the core pipe, and the spiral closed channel can provide collision resistance in the process of passing flue gas so as to realize gas-water separation in the flue gas. The rectangular air pipe is connected from the tangential direction of the upper end of the cylinder body. And continuous spiral closed channels are formed among the cylinder body, the spiral partition plate and the core pipe. The invention can efficiently remove the mechanical water carried by wet flue gas in various wet dust removal purification systems, and the device has low resistance, small equipment floor area and easy maintenance.

Description

Spiral dewatering device
Technical Field
The invention belongs to the technical field of dehydration, and particularly relates to a spiral dehydration device.
Background
In a converter primary dust removal wet purification system, a wet desulfurization system and other wet dust removal purification systems, a large amount of water is sprayed into the system for cooling and dust removal purification, the flue gas often contains a large amount of water vapor in the process, and an effective dehydration device is required to be adopted for dehydration treatment before the flue gas enters an exhaust funnel to be discharged, so that the dust-containing water vapor is separated from the flue gas, the purification efficiency is improved, the discharge of water is reduced, a certain white-removing purpose is achieved, and the waste of water resources is reduced. The prior common dehydration modes mainly comprise a gravity type dehydrator, a wire mesh dehydrator, a cyclone dehydrator and the like.
The inventor thinks that: the gravity type dehydrator adopts large space and low flow velocity to settle mechanical water in flue gas under the action of gravity so as to achieve the aim of dehydration, and the dehydration mode is often huge in equipment, large in investment and low in dehydration efficiency; the wire mesh dehydrator adopts the filler arranged in the tower body to form damping action so as to achieve the purpose of removing mechanical water in the flue gas, and the dehydration mode has large resistance, high equipment failure rate and large maintenance and overhaul amount; the cyclone dehydrator adopts the mode that a large number of spinning disks are arranged in the tower body and centrifugal force is used for throwing mechanical water in flue gas to the spinning disks and the wall of the tower body, and then the mechanical water is removed under the action of gravity.
disclosure of Invention
The invention aims to provide a spiral dehydration device which can efficiently remove mechanical water carried by wet flue gas in various wet dust removal purification systems, and has the advantages of low resistance, small equipment floor area, simple structure and easy maintenance.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a screw-tupe dewatering device, its includes the barrel of vertical arrangement, the side on barrel upper portion is equipped with the air inlet, the tangential direction of the air inlet direction and barrel lateral surface of air inlet is the same.
The barrel is internally provided with a core pipe, the upper end of the core pipe penetrates out of the barrel, a spiral partition plate is arranged between the barrel and the core pipe, the spiral partition plate is arranged around the core pipe, and the lower end of the barrel is fixedly connected with the conical hopper.
A spiral closed channel is formed between the spiral partition plate and the core pipe, and the spiral closed channel can provide collision resistance in the process of passing flue gas so as to realize gas-water separation in the flue gas.
Further, the air inlet is a rectangular air pipe, and the rectangular air pipe is connected from the tangential direction of the upper end of the barrel body.
Further, the continuous spiral closed channel is formed among the cylinder, the spiral partition plate and the core pipe, so that centrifugal force is generated when the flue gas flows in the spiral closed channel.
Further, the lower end of the core tube is connected with a reducing tube, the upper end of the reducing tube is fixed with the core tube, the diameter of the upper end of the reducing tube is the same as that of the core tube, and the diameter of the lower end of the reducing tube is larger than that of the upper end of the reducing tube.
Further, the cylinder body and the core tube are both of cylindrical structures, and the cylinder body and the core tube are coaxially arranged.
The external gas containing the mechanical water firstly enters from the gas inlet and then enters the spiral closed channel, the gas containing the mechanical water is forced to rotate and flow in the spiral closed channel, and the wet gas containing the water separates the mechanical water from the gas under the action of centrifugal force and then is discharged to the cone hopper along the cylinder wall under the action of gravity and then is discharged through the blow-off pipe. The dehydrated gas firstly enters the core pipe through the large opening of the reducer and then is discharged through the gas outlet, and finally gas-water separation is completed, so that a good dehydration effect is achieved.
The invention has the beneficial effects that:
The invention can effectively realize the separation of gas and water, greatly improve the dehydration effect, reduce the moisture content of the discharged gas, reduce the waste of water resources and realize the effect of white elimination to a certain extent. The invention adopts a spiral channel and depends on the dehydration mode of centrifugal dehydration and gravity dehydration, thereby not only overcoming the defect of huge conventional gravity dehydration equipment, but also solving the problem that the cyclone dehydrator is difficult to overhaul, and the invention has small system resistance and convenient equipment maintenance.
The mode that the air inlet is communicated with the inner cavity of the cylinder along the tangential direction of the cylinder is adopted, so that a foundation is provided for the flue gas to do spiral motion in the spiral closed channel, and the flue gas is prevented from losing a large amount of kinetic energy when entering the inner cavity of the cylinder.
by adopting the reducer structure, the diameter of the lower end of the reducer is larger than that of the upper end of the reducer, so that the reducer can be used for improving the transfer speed of the flue gas to the core pipe.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a front view of the overall structure in an embodiment of the present invention;
Fig. 2 is a top view of the overall structure in an embodiment of the invention.
In the figure: 1. an air inlet; 2. a cylinder 3 and a spiral clapboard; 4. a conical hopper; 5. a blow-off pipe; 6. a reducer; 7. a core tube; 8. an air outlet; 9. and (6) overhauling holes.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
in an exemplary embodiment of the present invention, as shown in fig. 1 to 2, a screw type dehydration apparatus includes a vertically arranged drum 2, a side surface of an upper portion of the drum 2 is provided with an air inlet 1, and an axial direction of the air inlet 1 is the same as a tangential direction of an outer side surface of the drum 2.
The barrel 2 is internally provided with a core pipe 7, the upper end of the core pipe 7 penetrates out of the barrel 2, a spiral partition plate 3 is arranged between the barrel 2 and the core pipe 7, and the spiral partition plate 3 surrounds the core pipe 7.
the lower end of the cylinder body 2 is fixedly connected with the conical hopper.
A spiral closed channel is formed between the spiral partition plate 3 and the core pipe 7, and the spiral closed channel can provide collision resistance in the process of passing flue gas so as to realize gas-water separation in the flue gas.
The air inlet 1 is a rectangular air pipe, and the rectangular air pipe is connected from the tangential direction of the upper end of the barrel body 2.
In other embodiments, the inlet may take other shapes, such as cylindrical. The specific mechanism of the air inlet can be set by the person skilled in the art, and is not described in detail here.
The cylinder 2, the spiral partition plate 3 and the core tube 7 form a continuous spiral closed channel, so that centrifugal force is generated when the flue gas flows in the spiral closed channel.
The lower end of the core tube 7 is connected with a reducing tube 6, the upper end of the reducing tube 6 is fixed with the core tube 7, the diameter of the upper end of the reducing tube 6 is the same as that of the core tube 7, and the diameter of the lower end of the reducing tube 6 is larger than that of the upper end.
The cylinder body 2 and the core tube 7 are both of cylindrical structures, and the cylinder body 2 and the core tube 7 are coaxially arranged.
And one end of the core tube 7 extending out of the cylinder body 2 forms an air outlet 8.
The lower extreme opening of awl fill is in blow off pipe 5 fixed connection, the opening and closing that blow off pipe 5 can be intermittent type nature has got rid of the liquid ponding in the awl fill.
The lateral wall of barrel 2 is equipped with a plurality of access holes 9.
The working principle is as follows: the wet flue gas containing water firstly enters from the air inlet 1, the air inlet 1 is arranged at the top end of the cylinder body 2 and enters along the tangential direction, the wet flue gas containing water enters into a spiral, continuous and closed channel formed by the cylinder body 2, the spiral partition plate 3 and the core pipe 7 after passing through the air inlet 1, the wet flue gas containing water flows in the channel at a high speed and in a rotating manner, mechanical water in the flue gas is thrown to the inner wall of the cylinder body 2 under the action of centrifugal force in the flowing process, then the mechanical water flows onto the spiral partition plate 3 along the inner wall of the cylinder body 2 under the action of gravity, finally the removed water flows into the cone hopper 4, and flows into the sewage discharge pipe 5 from the cone hopper 4 to be discharged. The dehydrated gas enters the lower part of the cylinder 2 from the tail end of the spiral channel, firstly enters the large opening of the reducing pipe 6 at a low flow rate, then enters the core pipe 7 from the small opening of the reducing pipe 6, and then is discharged from the gas outlet 8, so that the gas-water separation is realized. A plurality of access holes 9 are arranged on the outer wall of the cylinder body 2 for the overhaul and maintenance of the dewatering device.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims (8)

1. A spiral dewatering device is characterized by comprising a vertically arranged barrel, wherein an air inlet is arranged on the side surface of the upper part of the barrel, the air inlet direction of the air inlet is the same as the tangential direction of the outer side surface of the barrel,
A core pipe is arranged in the cylinder body, the upper end of the core pipe penetrates out of the cylinder body, a spiral partition plate is arranged between the cylinder body and the core pipe, the spiral partition plate is arranged around the core pipe, and the lower end of the cylinder body is fixedly connected with the conical hopper;
A spiral closed channel is formed between the spiral partition plate and the core pipe, and the spiral closed channel can provide collision resistance in the process of passing flue gas so as to realize gas-water separation in the flue gas.
2. The screw type dewatering device according to claim 1, wherein the air inlet is a rectangular air pipe which is connected from the tangential direction of the upper end of the cylinder.
3. The screw type dehydration device according to claim 1, characterized in that said barrel, said spiral partition plate and said core tube form a continuous spiral closed channel therebetween, so that the flue gas generates centrifugal force when circulating in the spiral closed channel.
4. The screw type dehydration device according to claim 1, wherein said core tube is connected at its lower end with a reducer, said reducer having its upper end fixed to said core tube, said reducer having its upper end diameter identical to the core tube diameter, said reducer having its lower end diameter larger than the upper end diameter.
5. The screw type dehydration device according to claim 1 characterized in that said cylinder and said core tube are both cylindrical structures, said cylinder and said core tube are coaxially arranged.
6. The screw type dehydration device according to claim 1 wherein said core tube is formed with an air outlet at one end protruding out of the cylinder.
7. The screw type dehydration device of claim 1, wherein the lower end opening of the cone hopper is fixedly connected with a sewage discharge pipe.
8. The screw type dehydration device according to claim 1 characterized in that the side wall of said cylinder is provided with a plurality of manholes.
CN201910876743.8A 2019-09-17 2019-09-17 Spiral dewatering device Pending CN110575711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910876743.8A CN110575711A (en) 2019-09-17 2019-09-17 Spiral dewatering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910876743.8A CN110575711A (en) 2019-09-17 2019-09-17 Spiral dewatering device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111389170A (en) * 2020-04-24 2020-07-10 中冶东方工程技术有限公司 A high-efficiency purification, dehydration and whitening device
CN114195100A (en) * 2020-09-18 2022-03-18 湖南蓝启新材料有限公司 Fluorine gas continuous recycling method and device
CN116571012A (en) * 2023-04-08 2023-08-11 山东凯格瑞森能源科技有限公司 Gas-water separation device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2265235Y (en) * 1996-10-17 1997-10-22 曹英山 Cyclone liquid-gas seperator
CN205340359U (en) * 2015-12-31 2016-06-29 广西玉林卓越动力发电设备有限公司 Novel dehydration of cyclone formula device
CN106669294A (en) * 2016-12-30 2017-05-17 中冶东方工程技术有限公司 Multi-stage cyclone dehydration device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2265235Y (en) * 1996-10-17 1997-10-22 曹英山 Cyclone liquid-gas seperator
CN205340359U (en) * 2015-12-31 2016-06-29 广西玉林卓越动力发电设备有限公司 Novel dehydration of cyclone formula device
CN106669294A (en) * 2016-12-30 2017-05-17 中冶东方工程技术有限公司 Multi-stage cyclone dehydration device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111389170A (en) * 2020-04-24 2020-07-10 中冶东方工程技术有限公司 A high-efficiency purification, dehydration and whitening device
CN114195100A (en) * 2020-09-18 2022-03-18 湖南蓝启新材料有限公司 Fluorine gas continuous recycling method and device
CN116571012A (en) * 2023-04-08 2023-08-11 山东凯格瑞森能源科技有限公司 Gas-water separation device
CN116571012B (en) * 2023-04-08 2024-05-14 山东凯格瑞森能源科技有限公司 Gas-water separation device

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Application publication date: 20191217

RJ01 Rejection of invention patent application after publication