CN108126496A - A kind of exhaust-gas treatment environmental protection equipment - Google Patents
A kind of exhaust-gas treatment environmental protection equipment Download PDFInfo
- Publication number
- CN108126496A CN108126496A CN201711458631.8A CN201711458631A CN108126496A CN 108126496 A CN108126496 A CN 108126496A CN 201711458631 A CN201711458631 A CN 201711458631A CN 108126496 A CN108126496 A CN 108126496A
- Authority
- CN
- China
- Prior art keywords
- snorkel
- exhaust
- environmental protection
- gas treatment
- protection equipment
- 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
Links
Classifications
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/42—Basic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
- B01F23/23126—Diffusers characterised by the shape of the diffuser element
- B01F23/231265—Diffusers characterised by the shape of the diffuser element being tubes, tubular elements, cylindrical elements or set of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
- B01F33/4021—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements the gas being introduced through the shaft of the stirring element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/405—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles having guiding conduits therein, e.g. for feeding the gas to the bottom of the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/409—Parts, e.g. diffusion elements; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/4094—Plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of exhaust-gas treatment environmental protection equipments, anticorrosion bearing is welded at the top of the round case, the outer shroud upper end of the anticorrosion bearing and the lower end sealing welding of exhaust gas inlet pipe, the inner ring lower end of the anticorrosion bearing and the upper end sealing welding of snorkel, the bottom of the snorkel is communicated with vent branch, the one side wall of the vent branch offers venthole, the bottom of the round case is equipped with drain pipe, control valve is installed on the drain pipe, the interior bottom portion of the round case is welded with transverse slat, circular groove is offered in the middle part of the top of the transverse slat, the inside of circular groove is inserted into the bottom of the snorkel, the outer wall of the snorkel is equipped with idler wheel by mounting bracket rolling;The exhaust-gas treatment environmental protection equipment, the effective composite rate for improving exhaust gas and neutralizer improve the neutralization efficiency of exhaust gas, improve the treatment effeciency of exhaust gas, be suitble to large-scale promotion.
Description
Technical field
The present invention relates to technical field of environment protection equipment, specially a kind of exhaust-gas treatment environmental protection equipment.
Background technology
Exhaust gas refers to the mankind in the poisonous and hazardous gas for producing with being discharged in life process.Particularly chemical plant, steel
Factory, pharmaceutical factory and coking plant and oil plant etc., the exhaust gas smell of discharge is big, serious to pollute environment and influence health.Respectively
The industrial waste gas of class manufacturing enterprise discharge is the important sources of atmosphere pollution.If big capacity industrial waste gas it is unprocessed it is up to standard after
Air is discharged into, necessarily declines atmosphere quality, serious harm is brought to health, huge damage is caused to national economy
It loses.After poisonous and harmful substance can enter human body by respiratory tract and skin in industrial waste gas, long-term low concentration or short-term high concentration
Contact can cause the systems such as breathing, blood, the liver of human body and the temporary and permanent lesion of organ.
When nowadays handling exhaust gas, the degree of mixing of exhaust gas and neutralizer is poor, and mixing is uneven, leads to neutralizer
Utilization rate is low, and exhaust-gas treatment effect is poor, it is therefore desirable to improve.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of exhaust-gas treatment environmental protection equipment
The problem of degree of mixing of exhaust gas and neutralizer is poor, and mixing is uneven, and the utilization rate for leading to neutralizer is low, and exhaust-gas treatment effect is poor.
To achieve the above object, the present invention provides following technical solution:A kind of exhaust-gas treatment environmental protection equipment, including circle
Case, the quadrangle of the lower face of the round case are welded with supporting leg, and the top left side of the round case offers filling opening, the filling opening
Inside be plugged with anti-corrosive rubber plug, anticorrosion bearing is welded at the top of the round case, on the outer shroud of the anticorrosion bearing
End and the lower end sealing welding of exhaust gas inlet pipe, the inner ring lower end of the anticorrosion bearing and the upper end sealing welding of snorkel, institute
The bottom for stating snorkel is communicated with vent branch, and the one side wall of the vent branch offers venthole, the bottom of the round case
Drain pipe is installed, control valve is installed on the drain pipe, the interior bottom portion of the round case is welded with transverse slat, the transverse slat
Circular groove is offered in the middle part of top, the inside of circular groove, the outer wall of the snorkel are inserted into the bottom of the snorkel
Idler wheel is equipped with by mounting bracket rolling.
Preferably, the vent branch is at least provided with six, and the vent branch is being ventilated for angularly circle distribution
The bottom of pipe.
Preferably, it is at least opened up on each vent branch there are six venthole, the venthole is in equidistant linear
Setting.
Preferably, there are four the idler wheel is at least installed, and the idler wheel is in angularly distribution setting.
Preferably, the bottom outer wall of the snorkel is welded with truncated cone-shaped cover board, and the truncated cone-shaped cover board is covered in circle
The top of groove.
Preferably, the interior bottom portion of the round case is set for circular groove.
Compared with prior art, the beneficial effects of the invention are as follows:
1. the exhaust-gas treatment environmental protection equipment, the effective composite rate for improving exhaust gas and neutralizer improve the neutralization effect of exhaust gas
Rate improves the treatment effeciency of exhaust gas, is suitble to large-scale promotion;
2. exhaust gas passes sequentially through the inside that exhaust gas inlet pipe, snorkel, vent branch and venthole are discharged into round case, since venthole is opened
It is located in the one side wall of vent branch, so under the action of active force and reaction force, vent branch and snorkel are in circle case
Inside is rotated, and during rotation, the effective composite rate for improving exhaust gas and neutralizer, the neutralization for improving exhaust gas is imitated
Rate improves the treatment effeciency of exhaust gas;
3. the inside of circular groove is inserted into the bottom due to snorkel, the limiting to snorkel is improved;
4. the outer wall of snorkel is equipped with idler wheel by mounting bracket rolling, due to the effect of idler wheel so that snorkel rotates more
Add smooth.
Description of the drawings
Fig. 1 is the main view sectional drawing of structure of the present invention;
Fig. 2 is the A portions enlarged drawing in the main view sectional drawing of structure of the present invention;
Fig. 3 is the structure diagram of snorkel of the present invention;
Fig. 4 is the vertical view sectional drawing of snorkel of the present invention.
In figure:1 circle case, 2 supporting legs, 3 filling openings, 4 anti-corrosive rubber plugs, 5 anticorrosion bearings, 6 exhaust gas inlet pipes, 7 snorkels,
8 vent branch, 9 ventholes, 10 drain pipes, 11 control valves, 12 transverse slats, 13 circular grooves, 14 mounting brackets, 15 idler wheels, 16 round platforms
Shape cover board.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Same or like component is indicated with identical label in different figures;In addition it is understood that such as " first " in text,
" second ", " third ", " on ", " under ", "front", "rear", " interior ", " outer ", " end ", " portion ", " section ", " width ", " thickness ", " area "
Etc. and similar term only convenient for constructing and be only used in observer's reference chart to help to describe the present invention, be not to
The restriction of invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of exhaust-gas treatment environmental protection equipment, including justifying case 1,
The quadrangle of the lower face of the round case 1 is welded with supporting leg 2, and the top left side of the round case 1 offers filling opening 3, the liquid feeding
The inside of mouth 3 is plugged with anti-corrosive rubber plug 4, and the top of the round case 1 is welded with anticorrosion bearing 5, the anticorrosion bearing 5
Outer shroud upper end and the lower end sealing welding of exhaust gas inlet pipe 6, the inner ring lower end and the upper end of snorkel 7 of the anticorrosion bearing 5 are close
Soldering and sealing connects, and the bottom of the snorkel 7 is communicated with vent branch 8, and the one side wall of the vent branch 8 offers venthole 9, institute
The bottom for stating round case 1 is equipped with drain pipe 10, and control valve 11, the interior bottom portion of the round case 1 are equipped on the drain pipe 10
Transverse slat 12 is welded with, circular groove 13 is offered in the middle part of the top of the transverse slat 12, circle is inserted into the bottom of the snorkel 7
The inside of groove 13, the outer wall of the snorkel 7 are equipped with idler wheel 15 by the rolling of mounting bracket 14.
Specifically, the vent branch 8 is at least provided with six, and the vent branch 8 is angularly circle distribution logical
The bottom of tracheae 7 can set the quantity of vent branch 8 according to actual demand.
Specifically, at least being opened up on each vent branch 8 there are six venthole 9, the venthole 9 is in equal space line
Property setting, can according to actual demand set venthole 9 quantity.
Specifically, there are four the idler wheel 15 at least installs, and the idler wheel 15 is in angularly distribution setting, can be according to reality
The quantity of border demand installation idler wheel 15.
Specifically, the bottom outer wall of the snorkel 7 is welded with truncated cone-shaped cover board 16, the truncated cone-shaped cover board 16 is covered in
The top of circular groove 13 by the effect of truncated cone-shaped cover board 16, effectively prevents impurity from entering the inside of circular groove 13, prevents
Only hinder the rolling of idler wheel 15.
Specifically, the interior bottom portion of the round case 1 is set for circular groove, in drain, idler wheel 15 is opened, is conducive to
Liquid collects in the interior bottom portion of round case 1, is conducive to being completely exhausted out for liquid.
Operation principle:In use, neutralizer is poured into from filling opening 3 in round case 1, then anti-corrosive rubber plug 4 beyond the Great Wall can
The acid-base property of neutralizer is selected according to actual demand, if exhaust gas is sour gas, neutralizer selection alkaline solution, such as ripe stone
Ash etc., if exhaust gas is alkaline gas, neutralizer is acid solution, and exhaust gas passes sequentially through exhaust gas inlet pipe 6, snorkel 7, ventilation
Branch pipe 8 and venthole 9 are discharged into the inside of round case 1, are opened in due to venthole 9 in the one side wall of vent branch 8, so acting on
Under the action of power and reaction force, vent branch 8 and snorkel 7 are rotated inside circle case 1, during rotation, are had
The composite rate for improving exhaust gas and neutralizer of effect improves the neutralization efficiency of exhaust gas, improves the treatment effeciency of exhaust gas;Due to logical
The inside of circular groove 13 is inserted into the bottom of tracheae 7, improves the limiting to snorkel 7;The outer wall of snorkel 7 passes through mounting bracket
14 rollings are equipped with idler wheel 15, due to the effect of idler wheel 15 so that snorkel 7 rotates more smooth.
Therefore exhaust-gas treatment environmental protection equipment, the effective composite rate for improving exhaust gas and neutralizer, improves exhaust gas
Efficiency is neutralized, improves the treatment effeciency of exhaust gas, is suitble to large-scale promotion.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of exhaust-gas treatment environmental protection equipment, including circle case(1), the round case(1)The quadrangle of lower face be welded with supporting leg
(2), it is characterised in that:The round case(1)Top left side offer filling opening(3), the filling opening(3)Inside be plugged with it is resistance to
Corrode rubber stopper(4), the round case(1)Top be welded with anticorrosion bearing(5), the anticorrosion bearing(5)Outer shroud on
End and exhaust gas inlet pipe(6)Lower end sealing welding, the anticorrosion bearing(5)Inner ring lower end and snorkel(7)Upper end it is close
Soldering and sealing connects, the snorkel(7)Bottom be communicated with vent branch(8), the vent branch(8)One side wall offer outlet
Hole(9), the round case(1)Bottom drain pipe is installed(10), the drain pipe(10)On control valve is installed(11), it is described
Circle case(1)Interior bottom portion be welded with transverse slat(12), the transverse slat(12)Top in the middle part of offer circular groove(13), institute
State snorkel(7)Bottom be inserted into circular groove(13)Inside, the snorkel(7)Outer wall pass through mounting bracket(14)It rolls
Idler wheel is installed(15).
2. a kind of exhaust-gas treatment environmental protection equipment according to claim 1, it is characterised in that:The vent branch(8)Extremely
There are six setting less, and the vent branch(8)It is angularly circle distribution in snorkel(7)Bottom.
3. a kind of exhaust-gas treatment environmental protection equipment according to claim 1, it is characterised in that:Each vent branch
(8)On at least open up there are six venthole(9), the venthole(9)In equidistant linear setting.
4. a kind of exhaust-gas treatment environmental protection equipment according to claim 1, it is characterised in that:The idler wheel(15)At least pacify
There are four dresses, and the idler wheel(15)In angularly distribution setting.
5. a kind of exhaust-gas treatment environmental protection equipment according to claim 1, it is characterised in that:The snorkel(7)Bottom
Portion's outer wall is welded with truncated cone-shaped cover board(16), the truncated cone-shaped cover board(16)It is covered in circular groove(13)Top.
6. a kind of exhaust-gas treatment environmental protection equipment according to claim 1, it is characterised in that:The round case(1)Inside
Bottom is set for circular groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711458631.8A CN108126496A (en) | 2017-12-28 | 2017-12-28 | A kind of exhaust-gas treatment environmental protection equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711458631.8A CN108126496A (en) | 2017-12-28 | 2017-12-28 | A kind of exhaust-gas treatment environmental protection equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108126496A true CN108126496A (en) | 2018-06-08 |
Family
ID=62393635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711458631.8A Pending CN108126496A (en) | 2017-12-28 | 2017-12-28 | A kind of exhaust-gas treatment environmental protection equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108126496A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110201501A (en) * | 2019-07-10 | 2019-09-06 | 台州锐祥机械设备有限公司 | Alkaline fume treatment froths purification device |
CN111514705A (en) * | 2020-05-08 | 2020-08-11 | 董保成 | Environment-friendly exhaust treatment device |
CN113082956A (en) * | 2021-05-14 | 2021-07-09 | 莱芜金山矿产资源有限公司 | Desulfurization flue gas circulation equipment |
CN113144834A (en) * | 2021-05-13 | 2021-07-23 | 王成 | Low-temperature plasma desulfurization and denitrification treatment device for waste gas purification |
CN113398731A (en) * | 2021-06-25 | 2021-09-17 | 杭州热电集团股份有限公司 | Smoke exhaust system |
-
2017
- 2017-12-28 CN CN201711458631.8A patent/CN108126496A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110201501A (en) * | 2019-07-10 | 2019-09-06 | 台州锐祥机械设备有限公司 | Alkaline fume treatment froths purification device |
CN111514705A (en) * | 2020-05-08 | 2020-08-11 | 董保成 | Environment-friendly exhaust treatment device |
CN113144834A (en) * | 2021-05-13 | 2021-07-23 | 王成 | Low-temperature plasma desulfurization and denitrification treatment device for waste gas purification |
CN113082956A (en) * | 2021-05-14 | 2021-07-09 | 莱芜金山矿产资源有限公司 | Desulfurization flue gas circulation equipment |
CN113398731A (en) * | 2021-06-25 | 2021-09-17 | 杭州热电集团股份有限公司 | Smoke exhaust system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108126496A (en) | A kind of exhaust-gas treatment environmental protection equipment | |
CN107930378A (en) | For handling the filtering tower packing of VOCs gases and foul gas | |
CN201676630U (en) | Double-tower tandem catalysis-biofilm packed tower combined device for simultaneously removing sulfur dioxide and nitrogen oxide in smoke gas | |
CN204247069U (en) | Microorganism filter bed associating deodoration system | |
CN105214477A (en) | A kind of biological deodorizing device and method | |
CN207342498U (en) | A kind of gas handling system | |
CN207187440U (en) | A kind of chemical emission multi-stage, efficient processing unit | |
CN216281872U (en) | Ventilation and dust removal system for closed stock yard | |
CN201978626U (en) | Exhaust gas and dust processing system in plastic-rubber modifying industry | |
CN205730802U (en) | A kind of exhaust gas cleaner | |
CN205235708U (en) | Novel pharmacy exhaust -gas treatment tower | |
CN207237648U (en) | A kind of industrial waste gas Multifunctional treatment device | |
CN206526677U (en) | A kind of waste gas biological purifying device | |
CN205392159U (en) | Waste gas treatment device | |
CN203598632U (en) | Waste gas treatment device | |
CN207137686U (en) | One kind washing bacteria bed joint odor removal | |
CN207546212U (en) | A kind of multi-stage sewage processing equipment | |
CN212999307U (en) | Water film sprays desulfurizing tower | |
CN107185343A (en) | New workshop emission-control equipment | |
CN215352854U (en) | Two-stage series environment-friendly equipment tower | |
CN205287938U (en) | Two -stage exhaust purification processing system | |
CN209093013U (en) | It is a kind of can high efficiency filter emission-control equipment | |
CN204973451U (en) | Waste gas purification treatment system | |
CN220939988U (en) | Complete-set type efficient biological deodorization equipment | |
CN204900951U (en) | Hydrogen pipeline relief valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180608 |