CN108408696B - Take stationary flow multistage filtration tubular acid distributor - Google Patents

Take stationary flow multistage filtration tubular acid distributor Download PDF

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Publication number
CN108408696B
CN108408696B CN201810197060.5A CN201810197060A CN108408696B CN 108408696 B CN108408696 B CN 108408696B CN 201810197060 A CN201810197060 A CN 201810197060A CN 108408696 B CN108408696 B CN 108408696B
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China
Prior art keywords
acid
pipe
steady flow
branch
stationary flow
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CN201810197060.5A
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CN108408696A (en
Inventor
张智博
严与辉
崔彦龙
史庆泰
梁向荣
于海成
唐张献
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XUANDA INDUSTRIAL GROUP Co.,Ltd.
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XUANDA INDUSTRIAL GROUP CO LTD
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/69Sulfur trioxide; Sulfuric acid
    • C01B17/74Preparation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

The utility model provides a take stationary flow multistage filtration tubular acid distributor, through setting up multistage filtration and stationary flow jar, after multistage filtration and stationary flow jar buffering overflow, the liquid level tends to steadily in sour house steward and branch acid distribution pipe, the stationary flow jar adopts and advances upward out overflow structure down, realize buffering stationary flow and overflow effect, impurity in the filterable medium sulphuric acid, guarantee that the branch acid point goes out the acid yield and evenly unanimous, the cooperation is along radially being provided with the play acid hole of different apertures in the regional a plurality of branch acids with one heart, reach the effect that the speed of going out is close, divide sour stable, divide sour effectual, the absorptivity is high, production stability and production efficiency are improved.

Description

Take stationary flow multistage filtration tubular acid distributor
Technical Field
The invention particularly relates to the technical field of acid distributor equipment, and particularly relates to a tubular acid distributor with a steady flow multistage filter.
Background
In the use process of the existing multistage filter tube type acid distributor, due to the fact that the positions of the acid distributing branch pipes are different, the difference in the pressure of the acid outlets of the acid distributing branch pipes is caused, the acid outlet amount of acid at the acid outlets of the acid distributing branch pipes is uneven, medium sulfuric acid easily erodes and corrodes acid outlet holes, and the control of the acid outlet amount of the acid distributor is affected.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a tubular acid distributor with a steady flow multistage filter.
The technical solution adopted by the invention is as follows: the utility model provides a take stationary flow multistage filter tubular acid distributor, includes into acid pipe, sour house steward and branch acid branch pipe, into acid pipe link to each other with sour house steward through dividing sour tee bend, into acid pipe and divide and still be equipped with the stationary flow jar between the sour tee bend, branch acid branch pipe bottom be equipped with a plurality of sour holes, the sour hole of branch acid branch pipe bottom use the sour ware centre of dividing in the sulfuric acid tower as the centre of a circle, be provided with a plurality of acid regions of dividing along radial concentric, different the aperture of the sour hole of dividing on the sour region of branch different, the aperture of sour hole of going out increase gradually along radial outside acid region of dividing.
The feed inlet of stationary flow jar be located stationary flow tank bottoms portion and with advance the acid pipe and link to each other, the discharge gate of stationary flow jar be located stationary flow tank deck portion and with divide sour tee bend to link to each other, stationary flow jar adopt down to advance to go out the overflow and advance sour structure.
The acid outlet hole is provided with an acid outlet nozzle, the acid outlet nozzle is inserted in the acid outlet hole of the acid distributing branch pipe, and the acid inlet end at the upper end of the acid outlet nozzle is higher than the plane of the acid outlet hole of the acid distributing branch pipe and is higher than the plane of the acid outlet hole of the acid distributing branch pipe to form an overflow structure in the acid distributing branch pipe.
The caliber of the acid outlet nozzle on the acid outlet holes on different acid distributing areas is gradually increased along the radial direction outwards acid distributing area.
Go out sour mouth body front end for inserting the mouth body in the branch acid pipe, the top of mouth body be equipped with the extension, the week of lateral wall of extension on seted up a plurality of bar grooves, the lateral wall on set up the extension in a plurality of bar holes and form weir formula overflow structure in sour mouth body top.
The acid outlet holes in the acid separating area are distributed according to a rhombus, and the distribution of the acid outlet holes is more than or equal to 43 points/m2
The acid inlet pipe is tangentially connected with the bottom of the flow stabilization tank, and the top of the acid-separating three-way flow stabilization tank is tangentially connected.
The acid inlet pipe and the flow stabilizing tank are also provided with a transition pipe, the front end of the transition pipe is connected with the acid inlet pipe, and the rear end of the transition pipe is tangentially connected with the bottom of the flow stabilizing tank.
The transition pipe and the steady flow tank are provided with a first-stage filter plate, the acid-separating tee joint is provided with a second-stage filter plate on a pipeline connected with the steady flow tank, and the first-stage filter plate and the second-stage filter plate are provided with a plurality of small filter holes which are distributed in a triangular mode.
The bottom of stationary flow jar be equipped with two first drain outlets along stationary flow jar centrosymmetric, transition bottom of the tube portion still be equipped with the second drain outlet, first drain outlet and second drain outlet adopt the blind flange that can open and close to seal.
The invention has the beneficial effects that: the invention provides a tubular acid distributor with a steady flow multistage filter, which is characterized in that a multistage filter and a steady flow tank are arranged, after the multistage filter and the steady flow tank buffer overflow, the liquid level in an acid main pipe and an acid distribution branch pipe tends to be stable, the steady flow tank adopts a structure of lower inlet and upper outlet overflow, the buffer steady flow and overflow effects are realized, impurities in medium sulfuric acid can be filtered, the acid outlet quantity of an acid distribution point is ensured to be uniform, a plurality of acid outlet holes with different apertures in an acid distribution area are concentrically arranged along the radial direction, the effect of approaching the acid outlet speed is achieved, the acid distribution is stable, the acid distribution effect is good, the absorption rate is high, and the production stability and the production efficiency are improved.
Drawings
FIG. 1 is a schematic view of the acid distributor of the present invention.
FIG. 2 is a schematic view of the acid distributor according to the present invention.
FIG. 3 is a top view of the acid distributor structure of the present invention.
FIG. 4 is a schematic view of the mounting structure of the acid outlet nozzle in the acid distributing branch pipe according to the present invention.
FIG. 5 is a schematic top view of the acid nozzle of the present invention.
FIG. 6 is a schematic diagram of the distribution of acid outlet holes of the acid distributor according to the present invention.
FIG. 7 is a schematic view of the filter plate structure of the present invention.
In the figure, 1-acid inlet pipe, 2-acid header pipe, 3-acid branch pipe, 4-acid branch tee, 5-steady flow tank, 6-acid branch area, 7-acid outlet, 8-transition pipe, 31-acid outlet, 51-first drain outlet, 71-nozzle body, 72-extension part, 73-strip groove, 81-first level filter plate, 82-second level filter plate, 83-small filter hole and 84-second drain outlet.
Detailed Description
The invention will be further explained by combining with fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, a tube-type acid distributor with a steady flow and multiple-stage filtration, comprising an acid inletManage 1, sour house steward 2 and divide sour branch pipe 3, advance sour pipe 1 and link to each other with sour house steward 2 through dividing sour tee bend 4, advance sour pipe 1 and divide and still be equipped with stationary flow jar 5 between sour tee bend 4, stationary flow jar 5 the feed inlet be located stationary flow jar 5 bottoms and with advance sour pipe 1 and link to each other, stationary flow jar 5 the discharge gate be located stationary flow jar 5 tops and with divide sour tee bend 4 to link to each other, stationary flow jar 5 adopt down to advance to go out the overflow and advance sour structure. The bottom of the acid separating branch pipe 3 is provided with a plurality of acid outlet holes 31, the acid outlet holes 31 at the bottom of the acid separating branch pipe 3 are radially and concentrically provided with a plurality of acid separating areas 6 by taking the center of an acid separator in a sulfuric acid tower as the center of a circle, the different acid separating areas 6 are different in the hole diameter of the acid outlet holes 31, and the hole diameter of the acid outlet holes 31 is gradually increased along the radial outward acid separating areas 6. The acid outlet holes 31 in the acid separating area 6 are distributed according to a diamond shape, and the distribution of the acid outlet holes 31 is more than or equal to 43 points/m2. The acid outlet hole 31 is provided with an acid outlet nozzle 7, the acid outlet nozzle 7 is inserted in the acid outlet hole 31 of the acid distributing branch pipe 3, and the acid inlet end at the upper end of the acid outlet nozzle 7 is higher than the plane of the acid outlet hole 31 of the acid distributing branch pipe 3 and is higher than the plane of the acid outlet hole 31 of the acid distributing branch pipe 3 to form an overflow structure in the acid distributing branch pipe 3. The caliber of the acid outlet nozzle 7 on the acid outlet hole 31 on the different acid distributing areas 6 is gradually increased along the radial direction and outwards from the acid distributing areas 6. The multi-stage filtering and flow stabilizing tank is arranged, liquid levels in the acid main pipe and the acid distributing branch pipe tend to be stable after the multi-stage filtering and flow stabilizing tank buffers overflow, the flow stabilizing tank adopts a structure of downward inlet and upward outlet overflow, so that the effects of buffering flow stabilization and overflow are realized, impurities in medium sulfuric acid can be filtered, the acid outlet quantity of an acid distributing point is ensured to be uniform and consistent, a plurality of acid outlet holes with different apertures in an acid distributing area are concentrically arranged along the radial direction, the effect of approaching the acid outlet speed is achieved, the acid distributing is stable, the acid distributing effect is good, the absorption rate is high, and the production stability and the production efficiency are improved.
Go out acid nozzle 7 body front end for inserting the mouth body 71 in the branch acid pipe 3, the top of mouth body 71 be equipped with extension 72, the week side of the lateral wall of extension 72 on seted up a plurality of bar grooves 73, the lateral wall on seted up the extension 72 in a plurality of bar holes form weir formula overflow structure at acid nozzle 7 body top.
The acid inlet pipe 1 is tangentially connected with the bottom of the steady flow tank 5, and the top of the steady flow tank 5 of the acid distributing tee joint 4 is tangentially connected.
A transition pipe 8 is further arranged between the acid inlet pipe 1 and the flow stabilizing tank 5, the front end of the transition pipe 8 is connected with the acid inlet pipe 1, and the rear end of the transition pipe 8 is tangentially connected with the bottom of the flow stabilizing tank 5.
The transition pipe 8 and the steady flow jar 5 between be equipped with one-level filter 81, divide the pipeline that sour tee bend 4 and steady flow jar 5 are connected on be equipped with second grade filter 82, one-level filter 81 and second grade filter 82 on arrange some a plurality of filtration apertures 83 that distribute according to the triangle-shaped mode. The aperture of the small filtering holes 83 on the second-stage filtering plate 82 is smaller than that of the small filtering holes 83 on the first-stage filtering plate 81, and the mesh number of the small filtering holes 83 on the second-stage filtering plate 82 is larger than that of the small filtering holes 83 on the first-stage filtering plate 81.
The bottom of the steady flow tank 5 is symmetrically provided with two first sewage discharge ports 51 along the center of the steady flow tank 5, the upper end and the lower end of the steady flow tank 5 adopt an end enclosure structure, the bottom of the transition pipe 8 is also provided with a second sewage discharge port 84, and the first sewage discharge port 51 and the second sewage discharge port 84 are sealed by blind flange capable of being opened and closed.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (5)

1. The utility model provides a take stationary flow multi-stage filtration tubular acid distributor, includes into acid pipe (1), acid house steward (2) and branch acid pipe (3), acid pipe (1) link to each other with acid house steward (2) through branch acid tee bend (4), its characterized in that, acid pipe (1) and branch acid tee bend (4) between still be equipped with stationary flow jar (5), branch acid pipe (3) bottom be equipped with if dry acid outlet hole (31), acid outlet hole (31) of branch acid pipe (3) bottom use sulfuric acid tower internal acid distributor centre of circle, along radial concentric a plurality of acid distribution regions (6) that are provided with, different the aperture of acid outlet hole (31) on acid distribution region (6) different, the aperture of acid outlet hole (31) along radial outside acid distribution region (6) crescent, the feed inlet of jar (5) be located jar (5) bottom and link to each other with acid pipe (1), the discharge port of the steady flow tank (5) is positioned at the top of the steady flow tank (5) and connected with the acid distributing tee joint (4), the steady flow tank (5) adopts a structure that overflow from bottom to top and acid is fed, an acid outlet nozzle (7) is arranged on the acid outlet hole (31), the acid outlet nozzle (7) is inserted in the acid outlet hole (31) of the acid distributing branch pipe (3), the acid inlet end at the upper end of the acid outlet nozzle (7) is higher than the plane height of the acid outlet hole (31) of the acid distributing branch pipe (3) to form an overflow structure in the acid distributing branch pipe (3), the caliber of the acid outlet nozzle (7) on the acid outlet holes (31) on different acid distributing regions (6) is gradually increased along the radially outward acid distributing region (6), the front end of the body of the acid outlet nozzle (7) is a nozzle body (71) inserted in the acid distributing branch pipe (3), and the top end of the nozzle body (71) is provided with an extension part (72), the week of the lateral wall of extension (72) on seted up a plurality of bar grooves (73), the lateral wall on set up extension (72) in a plurality of bar grooves and form weir formula overflow structure in acid outlet nozzle (7) body top, acid inlet pipe (1) and stationary flow jar (5) bottom tangent connection, divide sour tee bend (4) stationary flow jar (5) top tangent connection.
2. The tubular acid distributor with the steady flow and the multistage filtration function as claimed in claim 1, wherein the acid outlet holes (31) in the acid distribution region (6) are distributed in a diamond shape, and the distribution of the acid outlet holes (31) is more than or equal to 43 points/m2
3. The tubular acid separator with the steady flow and the multistage filtration function as claimed in claim 1, wherein a transition tube (8) is further arranged between the acid inlet tube (1) and the steady flow tank (5), the front end of the transition tube (8) is connected with the acid inlet tube (1), and the rear end of the transition tube (8) is tangentially connected with the bottom of the steady flow tank (5).
4. The tubular acid separator with the steady flow multistage filtration function of claim 3, wherein a first-stage filter plate (81) is arranged between the transition tube (8) and the steady flow tank (5), a second-stage filter plate (82) is arranged on a pipeline connecting the acid separation tee joint (4) and the steady flow tank (5), and a plurality of small filter holes (83) are distributed on the first-stage filter plate (81) and the second-stage filter plate (82) in a triangular mode.
5. The tubular acid separator with the steady flow and the multistage filtration function as claimed in claim 3, wherein two first sewage discharge ports (51) are symmetrically arranged at the bottom of the steady flow tank (5) along the center of the steady flow tank (5), a second sewage discharge port (84) is further arranged at the bottom of the transition pipe (8), and the first sewage discharge port (51) and the second sewage discharge port (84) are sealed by openable blind flange.
CN201810197060.5A 2018-03-10 2018-03-10 Take stationary flow multistage filtration tubular acid distributor Active CN108408696B (en)

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CN201810197060.5A CN108408696B (en) 2018-03-10 2018-03-10 Take stationary flow multistage filtration tubular acid distributor

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Application Number Priority Date Filing Date Title
CN201810197060.5A CN108408696B (en) 2018-03-10 2018-03-10 Take stationary flow multistage filtration tubular acid distributor

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CN108408696B true CN108408696B (en) 2021-07-23

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2246655Y (en) * 1995-05-18 1997-02-05 刘少武 Up-tube-type acid distributor
CN101792131A (en) * 2010-02-10 2010-08-04 上海东方化工设备有限公司 Insertion pipe type chute acid distributor
AU2010335964A1 (en) * 2009-12-23 2012-07-26 Chemetics Inc. Liquid distribution trough for use in towers in sulphuric acid and carbon capture plants
CN103657390A (en) * 2013-12-10 2014-03-26 重庆巨康建材有限公司 Spraying device of wet flue gas desulfuration (WFGD) absorbing tower
CN105668525A (en) * 2015-12-30 2016-06-15 浙江宣达特种合金流程装备股份有限公司 Tubular-trough-type acid divider having flow stabilizing apparatus
CN106044722A (en) * 2016-07-21 2016-10-26 昆明市宜良化工设备铸造厂 Method and acid distributor for uniformly distributing sulfuric acid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2246655Y (en) * 1995-05-18 1997-02-05 刘少武 Up-tube-type acid distributor
AU2010335964A1 (en) * 2009-12-23 2012-07-26 Chemetics Inc. Liquid distribution trough for use in towers in sulphuric acid and carbon capture plants
CN101792131A (en) * 2010-02-10 2010-08-04 上海东方化工设备有限公司 Insertion pipe type chute acid distributor
CN103657390A (en) * 2013-12-10 2014-03-26 重庆巨康建材有限公司 Spraying device of wet flue gas desulfuration (WFGD) absorbing tower
CN105668525A (en) * 2015-12-30 2016-06-15 浙江宣达特种合金流程装备股份有限公司 Tubular-trough-type acid divider having flow stabilizing apparatus
CN106044722A (en) * 2016-07-21 2016-10-26 昆明市宜良化工设备铸造厂 Method and acid distributor for uniformly distributing sulfuric acid

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Effective date of registration: 20210630

Address after: 325105 Dongou Industrial Zone, Oubei Town, Yongjia County, Wenzhou City, Zhejiang Province

Applicant after: XUANDA INDUSTRIAL GROUP Co.,Ltd.

Address before: 325000 Dongou Industrial Zone, Oubei Town, Yongjia, Wenzhou, Zhejiang

Applicant before: ZHEJIANG XUANDA SPECIAL ALLOYS PROCESS EQUIPMENT Co.,Ltd.

GR01 Patent grant
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PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Tubular acid separator with steady flow multistage filter

Effective date of registration: 20211221

Granted publication date: 20210723

Pledgee: Industrial Bank Co.,Ltd. Wenzhou Yongjia sub branch

Pledgor: XUANDA INDUSTRIAL GROUP Co.,Ltd.

Registration number: Y2021330002598

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230615

Granted publication date: 20210723

Pledgee: Industrial Bank Co.,Ltd. Wenzhou Yongjia sub branch

Pledgor: XUANDA INDUSTRIAL GROUP Co.,Ltd.

Registration number: Y2021330002598