CN113877411B - Distributed air purifying device for industrial sewage collecting and conveying system - Google Patents
Distributed air purifying device for industrial sewage collecting and conveying system Download PDFInfo
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- CN113877411B CN113877411B CN202010627151.5A CN202010627151A CN113877411B CN 113877411 B CN113877411 B CN 113877411B CN 202010627151 A CN202010627151 A CN 202010627151A CN 113877411 B CN113877411 B CN 113877411B
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- 239000010865 sewage Substances 0.000 title claims abstract description 47
- 239000012528 membrane Substances 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 43
- 239000002912 waste gas Substances 0.000 claims abstract description 30
- 238000001179 sorption measurement Methods 0.000 claims abstract description 23
- 238000007689 inspection Methods 0.000 claims abstract description 22
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 7
- 230000023556 desulfurization Effects 0.000 claims abstract description 7
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 31
- 239000000945 filler Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 5
- 235000015110 jellies Nutrition 0.000 claims description 5
- 239000008274 jelly Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000012855 volatile organic compound Substances 0.000 abstract description 4
- 208000005156 Dehydration Diseases 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000012856 packing Methods 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920006491 ABS+PC Polymers 0.000 description 1
- 206010000369 Accident Diseases 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8612—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/304—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a distributed air purifying device for an industrial sewage collecting and conveying system, which comprises a treatment box body which is arranged at each inspection well, a sewage well and/or an open position of the industrial sewage collecting and conveying system in a distributed manner, wherein a pretreatment unit, a membrane treatment unit, an adsorption treatment unit and an exhaust cover are sequentially arranged in the treatment box body from bottom to top, and the top of the treatment box body is sealed and fixed. The waste gas is output through each inspection well, the sewage well and/or the open position, enters the treatment box body, passes through the pretreatment unit, then the membrane treatment unit carries out dehydration treatment on the entering waste gas, and finally passes through the adsorption treatment unit to carry out desulfurization, oxidation and adsorption treatment and then is discharged into the atmosphere from the exhaust cover. Can get rid of harmful gases such as VOCs and H 2 S effectively in petrochemical industry sewage gathering system inspection shaft, bilge well or other open positions, prevent that position waste gas from discharging to the atmosphere in an unorganized way, effectually protected the environment.
Description
Technical Field
The invention relates to the field of petrochemical industry, in particular to a distributed air purifying device for effectively treating waste gas output by inspection wells, sewage wells and/or other open positions in a sewage collecting and conveying system in the petrochemical industry.
Background
Volatile Organic Compounds (VOCs), hydrogen sulfide (H 2 S), organic sulfides, malodorous peculiar smell gas, benzene, toluene, xylene and the like are main pollutants in petrochemical industry, and along with the stricter requirements of ecological environment, the petrochemical industry is forced to construct standardized waste gas control tasks. The waste gas discharged by the current organization is treated to a certain extent, so that the qualified discharge is realized. In the sewage collecting and transporting system, part of waste gas is directly discharged from each inspection well, sewage well or other open position, which belongs to the field of unorganized discharge of waste gas, and the waste gas discharged from each inspection well, sewage well or other open position is difficult to be organically treated due to the long pipeline of the sewage collecting and transporting system, so that the method has the advantages of spectrum, economy, low energy consumption and high efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a distributed air purifying device for an industrial sewage collecting and conveying system, which is used for treating waste gas which is discharged inorganically at each inspection well, sewage well or other open position in the sewage collecting and conveying pipeline system, solves the problem of unorganized discharge of waste gas at the inspection well, sewage well or other open position in the industrial sewage collecting and conveying pipeline system, and reduces harm to constructors and pollution to the atmosphere.
The invention relates to a distributed air purifying device for an industrial sewage collecting and transporting system, which comprises a treatment box body which is arranged at each inspection well, a sewage well and/or an open position of the industrial sewage collecting and transporting system in a distributed manner, wherein the bottom of the treatment box body is in sealed connection with the inspection well, the sewage well and/or the open position, a pretreatment unit and a membrane treatment unit are sequentially arranged in the treatment box body from bottom to top, an adsorption treatment unit which integrates desulfurization, oxidation and adsorption through replacing adsorption materials, catalytic materials and decomposition materials can be used for the treatment box body, an exhaust cover is sealed and fixed at the top of the treatment box body, waste gas in the industrial sewage collecting and transporting system is output through each inspection well, sewage well and/or the open position, the waste gas enters the treatment box body and is pretreated through the pretreatment unit, the dewatering treatment is carried out on the entering waste gas through the membrane treatment unit, the desulfurization, the oxidation and the adsorption treatment are carried out through the adsorption treatment unit, and finally the gas reaching the discharge standard is discharged into the atmosphere through the exhaust cover.
Preferably, the treatment box body is integrally formed, the longitudinal section of the treatment box body is in an inverted T shape, a base part and a main body part are respectively formed, and a flame-retardant heat preservation layer is fixedly arranged in the inner wall of the main body part.
Preferably, a pretreatment unit capable of demisting and degreasing all waste gas entering the treatment body box body is fixedly arranged in the base part, and the pretreatment unit is a demister and is fixedly positioned with the inner top of the treatment body base part through a set screw.
Preferably, a plurality of rings locating lever is installed to the base part of handling box, rings locating lever is the internal thread siphunculus, upper portion and the direct threaded connection of eye bolt, and the bottom is connected with inspection shaft, bilge well and/or open position peripheral location built-in fitting and first sealed pad.
Preferably, the membrane processing unit is fixedly arranged above the pretreatment unit in the main body part, and comprises a support frame fixedly connected with the inner wall of the processing box body, and a selective unpowered gas membrane device which is in sealing connection with the support frame through a sealing ring.
Preferably, the selective unpowered gas membrane device is matched with the shape of the treatment box body, and comprises a basin bottom structure which is provided with bulges at the periphery and concave in the middle, an annular groove is formed in the middle of the bulges at the periphery, a through groove is formed in the lowest position of the middle of the basin bottom structure, an automatic water draining and gas blocking device is arranged in the middle of the through groove, an inclined surface is formed in the basin bottom structure from the through groove to the side edge, and the selective unpowered gas membrane is adhered on the inclined surface.
Preferably, the selective unpowered gas membrane device is square, the basin bottom structure forms an inclined plane from the through groove to two side edges, and the selective unpowered gas membrane is adhered to the inclined plane on each side.
Preferably, the adsorption treatment unit comprises a filling hanger connected with the inner top of the treatment box body in a detachable manner, a hanger inserting knife connected with the membrane treatment unit in a sealing manner is mounted at the bottom of the filling hanger, a plurality of filling boxes which are parallel up and down and can be filled with and replaced with different materials respectively are arranged in the filling hanger, and a second sealing gasket is arranged at the joint of each filling box and the filling hanger.
Preferably, a third sealing gasket is arranged at the joint of the filler hanging frame and the processing box body, and the third sealing gasket is a rubber sealing gasket.
Preferably, the hanger inserting knife is inserted into an annular groove of the unpowered gas membrane device, and liquid jelly used for sealing and connecting the hanger inserting knife and the unpowered gas membrane device is injected into the annular groove.
After the distributed air purifying device for the industrial sewage collecting and conveying system is arranged in each inspection well, sewage well and/or open position of the industrial sewage collecting and conveying system, the invention can effectively remove harmful gases such as VOCs, H 2 S and the like from the gases output by the inspection well, the sewage well or other open positions of the industrial sewage collecting and conveying system in the petrochemical industry, prevent the waste gases at the positions from being discharged into the atmosphere in an unorganized manner, and effectively protect the environment.
Drawings
Fig. 1 is a schematic front view of a wind purifying device in the present invention.
Fig. 2 is a schematic diagram of the internal structure of the wind purifying device in the present invention.
Fig. 3 is a schematic perspective view of a treatment tank according to the present invention.
FIG. 4 is a schematic perspective view of a selective unpowered gas membrane device in accordance with the present invention.
Fig. 5 is a schematic side view of a selectively unpowered gas membrane device in accordance with the present invention.
Fig. 6 is an enlarged schematic view of the portion a in fig. 2.
Reference numerals in the drawings: 1 processing box body, 2 pretreatment units, 3 membrane treatment units, 4 adsorption treatment units, 5 exhaust covers, 6 positioning embedded parts, 10 base parts, 11 main body parts, 12 flame-retardant heat insulation layers, 13 lifting ring positioning rods, 14 lifting ring bolts, 15 positioning embedded parts, 16 first sealing gaskets, 30 supporting frames, 31 sealing gaskets, 32 selective unpowered gas membrane devices, 33 annular grooves, 34 bulges, 35 basin bottom structures, 36 automatic water and gas-blocking devices, 37 through grooves, 38 selective unpowered gas membranes, 39 liquid jelly, 40 filling hangers, 41 filling boxes, 42 hanging hanger inserting knives, 43 second sealing gaskets, 50 ventilation windows, 51 lock catches, 52 fire-blocking nets, 53 fire-blocking heat insulation layers and 54 third sealing gaskets
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the attached drawings, wherein the described embodiments are only one specific embodiment, and not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The distributed wind purifying devices for the industrial sewage collecting and conveying system are respectively and independently (hereinafter referred to as distributed) arranged at each inspection well, sewage well and/or other open positions of the sewage collecting and conveying system, so that waste gas discharged from the inspection well, the sewage well and/or other open positions can be effectively treated, and the discharge standard of the waste gas can be achieved.
As shown in fig. 1 and 2, the air purifying device comprises a treatment box body 1, wherein the bottom of the treatment box body 1 is in an open shape and can be in sealing connection with an inspection well, a sewage well and/or an open position, and an exhaust cover 5 is in sealing and fixed connection with the top of the treatment box body, so that waste gas discharged from the inspection well, the sewage well and/or the open position completely enters the treatment box body 1, and demisting, deoiling, dewatering, desulfurizing, oxidizing and adsorbing treatment are performed in the treatment box body 1, and the waste gas is discharged into the air from the exhaust cover 5 after reaching the discharge standard.
The treatment box 1 is integrally formed by metal materials, and of course, other plastics with fireproof functions can be integrally injection molded. The treatment tank 1 in the present invention is a closed tank having only upper and lower openings, and forms a base portion 10 and a main body portion 11, and has an inverted T-shaped longitudinal section, and may have a square cross section, or may have other shapes such as a circular cross section, as shown in fig. 3, and this embodiment is illustrated by taking a square shape as an example. The pretreatment unit 2, the membrane treatment unit 3 and the adsorption treatment unit 4 which integrates desulfurization, oxidation and adsorption functions are fixedly installed in the treatment box body 1 sequentially from bottom to top. The method specifically comprises the following steps:
As shown in fig. 2, the treatment box 1 is fixedly attached with a flame-retardant heat-insulating layer 12 to the inner wall surface of the main body 11. At the four corners of the base part 10 are mounted a sling positioning rod 13, respectively, which extends through the base part 10. The lifting ring positioning rod 13 is an internal thread through pipe, and the upper part of the lifting ring positioning rod is directly connected with the lifting ring bolt 14 through threads, so that the lifting ring positioning rod is convenient to install and detach; the bottom is connected with the positioning embedment 6 pre-buried in the periphery of the manhole, bilge well and/or open position and is sealed by the first sealing gasket 16 before the base part 10 is connected with the positioning embedment 6, preventing exhaust gas discharged from the manhole, bilge well and/or open position from being discharged from the gap between the treatment tank 1 and the ground.
The pretreatment unit 2 is fixedly installed in the base portion 10, the pretreatment unit 2 and the treatment box 1 are shaped, in this embodiment, a square demister is positioned and fixed on the inner top of the base portion 10 by a set screw (not shown), so that all the gas entering the treatment box 1 can rise into the main body portion 11 after passing through the demister. The demisting device adopts commercial mature products, and the specific structure and the working principle of the demisting device are not described in detail.
The membrane treatment unit 3 is fixedly installed above the pretreatment unit 2 in the main body 11, and as shown in fig. 2, the membrane treatment unit 3 includes a support 30 fixed to the inner wall surface of the treatment tank 1 by welding or the like, and a selective unpowered gas membrane device 32 hermetically connected to the support 30 via a sealing ring 31, a bolt or the like. Specifically, the selective unpowered gas membrane device 32 is square in shape matching with the processing box 1, and as shown in fig. 4, the selective unpowered gas membrane device comprises a protrusion 34 located on the periphery and a basin bottom structure 35 located in the middle and concave in shape, an annular groove 33 is formed in the middle of the protrusion 34 on the periphery, a through groove 37 is formed in the lowest position of the basin bottom structure 35 in the middle, an automatic water draining and gas blocking device 36 is mounted in the middle of the through groove 37, and the automatic water draining and gas blocking device 36 is made of ABS+PC plastic and can drain redundant liquid in the through groove 37. The basin bottom structure 35 forms an inclined plane from the through groove 37 to two side edges, a selective unpowered gas film 38 is stuck on the inclined plane of each side edge, gas entering through the demister can enter above the membrane treatment unit 3 through the selective unpowered gas film 38, and water is prevented below the membrane treatment unit 3 by the selective unpowered gas film 38. A small amount of water entering the upper part of the membrane treatment unit 3 through the selective unpowered gas membrane 38 is collected through the through groove 37 and then discharged from the automatic water discharge gas barrier 36.
The adsorption treatment unit 4 is arranged at the inner top of the treatment box body 1, the adsorption treatment unit 4 comprises a filler hanging frame 40 fixedly arranged at the inner top of the treatment box body 1, the filler hanging frame 40 is a square frame matched with the shape of the treatment box body 1, the periphery of the filler hanging frame is closed, and two ends of the filler hanging frame are open. The square hanger inserting knife 42 is arranged at the bottom of the filler hanger 40, when the filler hanger 40 is arranged inside the treatment box body 1, the hanger inserting knife 42 is just inserted into the annular groove 33 arranged on the bulge of the selective unpowered gas membrane device 32, then the liquid jelly 39 is injected into the annular groove 33, after the liquid jelly 39 is solidified, a good sealing effect is formed between the membrane treatment unit 3 and the adsorption treatment unit 4, and meanwhile, the bottom of the filler hanger 40 is abutted against the upper surface of the bulge 34 of the selective unpowered gas membrane 38.
The packing hanger 40 is internally provided with three packing boxes 41 which are arranged in parallel up and down, the packing boxes 41 are inserted and installed through a drawer type structure, adsorbing materials, catalytic materials and decomposing materials for waste gas treatment are filled in the packing boxes 41, the waste gas in a gathering and conveying system can be effectively treated by desulfurization, oxidization, adsorption and the like, and the joint between each packing box 41 and the packing hanger 40 is provided with a second sealing gasket 43, and the second sealing gasket 43 is a rubber sealing gasket, so that the flow direction of the waste gas can be effectively controlled, and the treatment efficiency is improved. When the packing needs to be replaced, the adsorption treatment unit 4 is taken out together with the membrane treatment unit 3, and the packing is replaced, and the selective unpowered gas membrane 38 is replaced.
The upper part of the treatment box body 1 is provided with a detachable exhaust cover 5, the exhaust cover 5 is provided with a ventilation window 50, the inside of the ventilation window 50 is provided with a fire-retarding net 52, the fire-retarding net 52 is made of brass, the inner wall of the exhaust cover 5 is provided with a fire-retarding heat-preserving layer 53, the exhaust cover 5 is connected with the top of the treatment box body 1 in a hidden locking manner through two lock catches 51 which are internally installed, and the exhaust cover 5 and the treatment box body 1 are sealed by a third sealing gasket 54.
In summary, in the distributed wind purifying device of the present invention, the filler hanger 40 and the multi-layer filler box 41 are provided, and the treatment material filled in the filler box 41 is utilized to effectively treat the exhaust gas in the collecting and transporting system, and the sealing performance in the treatment box body can be effectively increased by sealing, so that the treatment efficiency of the filler on the exhaust gas is increased.
Through defogging device, the equipment of selectivity unpowered gas membrane device, can carry out preliminary purification with the waste gas in the gathering and transporting system, increase the life of handling the material by a wide margin, alleviate the working cost of changing the handling material.
Through setting up location built-in fitting, can make the net wind device more stable at the during operation, effectively prevent revealing of waste gas.
By providing the fire-retardant net 52, open fire can be prevented from entering the processing box 1, and fire accidents can be effectively prevented.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The distributed air purifying device for the industrial sewage collecting and conveying system is characterized by comprising a treatment box body (1) which is arranged at each inspection well, a sewage well and/or an open position of the industrial sewage collecting and conveying system in a distributed mode, wherein the bottom of the treatment box body (1) is in sealed connection with the inspection well, the sewage well and/or the open position, a pretreatment unit (2) is arranged in the treatment box body (1) in sequence from bottom to top, a membrane treatment unit (3) is arranged, an adsorption treatment unit (4) which can integrate desulfurization, oxidation and adsorption by replacing adsorption materials, catalytic materials and decomposition materials is arranged on the inside of the treatment box body (1), an exhaust cover (5) is sealed and fixed on the top of the treatment box body (1), waste gas in the industrial sewage collecting and conveying system is output through each inspection well, the sewage well and/or the open position, the waste gas enters the treatment box body (1) and is pretreated through the pretreatment unit (2), the entering waste gas is dehydrated through the membrane treatment unit (3), and finally the waste gas enters the adsorption treatment unit (4) for desulfurization, oxidation and adsorption treatment, and finally the exhaust cover (5) is used for exhausting the waste gas reaching the standard exhaust standard;
The pretreatment unit (2) is a demisting device;
The membrane treatment unit (3) comprises a support frame (30) fixed with the inner wall surface of the treatment box body (1) in a welding connection mode, a selective unpowered gas membrane device (32) which is in sealing connection with the support frame (30) through a sealing ring (31) and a bolt, wherein the selective unpowered gas membrane device (32) comprises a bulge (34) positioned at the periphery and a basin bottom structure (35) which is positioned in the middle and is concave inwards, an annular groove (33) is formed in the middle of the bulge (34) at the periphery, a through groove (37) is formed in the lowest position of the basin bottom structure (35), and an automatic water drainage and gas blocking device (36) is arranged in the middle of the through groove (37); the selective unpowered gas membrane device (32) is square, the basin bottom structure (35) forms an inclined plane from the through groove (37) to two side edges, and a selective unpowered gas membrane (38) is adhered to each inclined plane.
2. The decentralized wind purification device for an industrial sewage collection and transportation system according to claim 1, wherein the treatment box body (1) is integrally formed, the longitudinal section is in an inverted T shape, a base part (10) and a main body part (11) are respectively formed, and a flame-retardant heat-insulating layer (12) is fixedly installed in the inner wall of the main body part (11).
3. A decentralized wind purification device for an industrial sewage collection system according to claim 2, characterized in that the base part (10) of the treatment tank (1) is provided with a plurality of lifting ring positioning rods (13), the lifting ring positioning rods (13) are internally threaded through pipes, the upper parts of the lifting ring positioning rods are directly connected with lifting ring bolts (14) in a threaded manner, and the bottoms of the lifting ring positioning rods are connected with positioning embedded parts (15) and a first sealing gasket (16) at the periphery of an inspection well, a sewage well and/or an open position.
4. A decentralized wind purification device for an industrial sewage collection and transportation system according to claim 2 or 3, wherein the adsorption treatment unit (4) comprises a filler hanging frame (40) which is detachably connected with the inner top of the treatment box body (1), a hanging frame inserting knife (42) which is hermetically connected with the membrane treatment unit (3) is arranged at the bottom of the filler hanging frame (40), a plurality of filler boxes (41) which are parallel up and down and can be respectively filled with and replaced with different materials are arranged in the filler hanging frame (40), and a second sealing gasket (43) is arranged at the joint of each filler box (41) and the filler hanging frame (40).
5. The decentralized wind purification device for an industrial sewage collection and transportation system according to claim 4, wherein a third sealing gasket (54) is arranged at the joint of the filler hanger (40) and the treatment box body (1), and the third sealing gasket (54) is a rubber sealing gasket.
6. The decentralized wind purification device for an industrial sewage collection and transportation system according to claim 4, wherein the hanger blade (42) is inserted into the annular groove (33) of the unpowered gas membrane device (32), and the annular groove (33) is filled with liquid jelly for sealing and connecting the hanger blade (42) and the unpowered gas membrane device (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627151.5A CN113877411B (en) | 2020-07-02 | 2020-07-02 | Distributed air purifying device for industrial sewage collecting and conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627151.5A CN113877411B (en) | 2020-07-02 | 2020-07-02 | Distributed air purifying device for industrial sewage collecting and conveying system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113877411A CN113877411A (en) | 2022-01-04 |
| CN113877411B true CN113877411B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010627151.5A Active CN113877411B (en) | 2020-07-02 | 2020-07-02 | Distributed air purifying device for industrial sewage collecting and conveying system |
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| Country | Link |
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| CN116328489B (en) * | 2023-04-04 | 2024-01-26 | 青岛诺诚化学品安全科技有限公司 | Treatment equipment and method for distributed organic waste gas |
| CN117085486A (en) * | 2023-09-05 | 2023-11-21 | 上海展冀环境有限公司 | Wind purifying device and manufacturing method and using method thereof |
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