CN108926931A - A kind of pipe and preparation method thereof for exhaust-gas treatment air-line system - Google Patents
A kind of pipe and preparation method thereof for exhaust-gas treatment air-line system Download PDFInfo
- Publication number
- CN108926931A CN108926931A CN201810858669.2A CN201810858669A CN108926931A CN 108926931 A CN108926931 A CN 108926931A CN 201810858669 A CN201810858669 A CN 201810858669A CN 108926931 A CN108926931 A CN 108926931A
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- CN
- China
- Prior art keywords
- filter screen
- dust
- block
- vertical
- exhaust
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
Abstract
The present invention provides a kind of pipe and preparation method thereof for exhaust-gas treatment air-line system, pass through setting dust sensor and the communication connection of vertical cylinder, dust sensor sends a signal to vertical cylinder after receiving dust signal, vertical cylinder execution drives vertical block up to move and seal with groove, exhaust gas pressure increase at air inlet opens horizontal baffle, exhaust gas with dust particles enters in dust-filtering chamber to be most discharged through outlet side after filter screen structure is filtered to remove dust particles by gas outlet afterwards, structure is simple, design is reasonable, dust particles in exhaust gas can be adsorbed and removed, prevent dust particles blocking pipe from tube resistance being caused to increase, cause tracheal rupture, wind flow caused by dust particles blocking pipe, which can be effectively prevented, to be reduced, ensure the normal circulation of exhaust gas, guarantee the circulation of exhaust gas, that improves pipe uses the longevity Life；Preparation method is simple, scientific and reasonable.
Description
Technical field
The present invention relates to exhaust-gas treatment air-line system accessory technical fields, and in particular to one kind is used for exhaust-gas treatment air hose system
Pipe of system and preparation method thereof.
Background technique
The pipe of exhaust-gas treatment air-line system in the prior art is usually relatively simple for structure, functional single, due to work
Containing poisonous and harmful particles such as a large amount of dust in industry exhaust gas, generally requires and carried out in eluent gas by equipment such as scrubbing towers
Harmful components reach discharge standard and give again and discharge；The particulate matters such as a large amount of dust contained in exhaust gas be easy to cause blockage,
Circulation of the exhaust gas in pipe is reduced, to reduce exhaust treatment efficiency, but also will increase equipment use and maintenance cost；And
And the pipe noise of existing exhaust-gas treatment air-line system is bigger, influences surrounding enviroment and human health.
Summary of the invention
The pipe and preparation method thereof that the purpose of the present invention is to provide a kind of for exhaust-gas treatment air-line system.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of pipe for exhaust-gas treatment air-line system, including tube body, the tube body is hollow form and one end is inlet end,
The other end is outlet side；Tube body inner end roof is equipped with a dust-filtering chamber, and one is equipped in dust-filtering chamber along axis
The square block arranged to direction, the square block upper end are connected by the filter screen structure that the mesh that several equidistant intervals are arranged successively decreases
It connects on the roof of dust-filtering chamber, dust-filtering chamber is equipped with air inlet close to inlet end, and it is horizontal to be equipped with one at the air inlet
Baffle, the horizontal baffle and the articulated connection of square block lower end, dust-filtering chamber are equipped with gas outlet, the outlet by near outgassing end
Mouth is connected to tube body；It is equipped with a plunger shaft positioned at tube body inner end bottom wall, is equipped with piston rod, institute in the plunger shaft
It states piston-rod lower end to connect with vertical cylinder, upper end is connected with limited block, and the limited block is connected with vertical block, described vertical
Cylinder setting is in tube body lower end outside and for driving vertical block to do vertical motion in plunger shaft；In the tube body also
Equipped with several vertical screen packs perpendicular to axial direction；The tube body inner end is equipped with dust sensor close to inlet end,
The dust sensor and the communication connection of vertical cylinder.When dust sensor senses dust, air cylinder driven piston rod is driven
Vertical block up moves when vertical block top is resisted against square block bottom end, and air inlet end pressure increases and will be located at this time
Horizontal baffle at air inlet jacks up, and exhaust gas enters the intracavitary dust filtered out in exhaust gas by filter screen structure of dust-filtering
It is discharged again through outlet side after particle through gas outlet discharge.
Preferably, the square block is the silencing block equipped with several honeycomb holes.Play the role of absorbing sound and lowering noise.
Preferably, the square block is equipped with shaft close to inlet end lower end, and described horizontal baffle one end passes through shaft and side
The connection of shape block, the other end is free end.
Preferably, the tube body inner wall, which is located at air inlet, is equipped with a Horizontal limiting plate, and the Horizontal limiting plate is used for
The free end of the fixed horizontal baffle.
Preferably, the square block bottom end is equipped with groove, and the groove is set in vertical block top and groove for accommodating
There is seal block.Improve the sealing performance between vertical block and groove.
Preferably, the vertical block top is equipped with cushion rubber bumper.
Preferably, the filter screen structure includes the first filter screen, the second filter screen, third filter screen and the 4th filtering
Net, first filter screen, the second filter screen, third filter screen and the 4th filter screen are set by inlet end to the arrangement of outlet extreme direction
It sets and first filter screen, the second filter screen, third filter screen and the 4th filter screen and dust-filtering chamber roof and square block
Between to be detachably connected.The setting of multiple filtration net substantially increases filter effect, replacement cleaning easy to disassemble.
Preferably, the gas outlet is equipped with horizontal filtering web plate, the horizontal filtering web plate and square block and dust mistake
It is detachably connected between filter chamber inner sidewall.Further increase the absorbing and filtering effect of dust.
A kind of preparation method of pipe for exhaust-gas treatment air-line system of the present invention, comprising the following steps:
1) prepare the pipe of a hollow form, both ends are respectively formed inlet end and outlet side, and centre is venting cavity；It is arranged at inlet end
Dust sensor；
2) upper end offers dust-filtering chamber and is being equipped with Horizontal limiting plate at the air inlet at inlet end in tube body；
3) square block is processed, shaft is set in its lower end side and connects horizontal baffle, is offered in square block lower end for holding
It receives the groove of vertical block, seal block is placed in groove, is equipped with vertical mistake on the side that square block lower end is located at groove
Sieve plate is successively arranged the first filter screen, the second filter screen, third filter screen and the 4th filter screen on square block top and forms net
The filter screen structure that hole is successively decreased；
4) offer plunger shaft in tube body lower end, by vertical block be placed in plunger shaft and limited block connection after again and vertically
The piston rod of cylinder connects；
5) dust sensor and vertical cylinder are communicatively coupled, realize and is sent after dust sensor receives dust signal
Signal gives vertical cylinder, and vertical cylinder execution drives vertical block up to move and seal with groove, useless at air inlet
Atmospheric pressure increase opens horizontal baffle, and the exhaust gas with dust particles enters in dust-filtering chamber to be removed by filter screen structure
It is most discharged afterwards through outlet side after dust particles by gas outlet.
The beneficial effects of the present invention are: the pipe for exhaust-gas treatment air-line system of the invention is passed by setting dust
Sensor and the communication connection of vertical cylinder, dust sensor send a signal to vertical cylinder, vertical gas after receiving dust signal
Cylinder execution drives vertical block up to move and seal with groove, and the exhaust gas pressure at air inlet increases horizontal baffle top
It opens, the exhaust gas with dust particles enters in dust-filtering chamber after filter screen structure is filtered to remove dust particles by gas outlet
It is most discharged afterwards through outlet side, structure is simple, and design rationally, dust particles in exhaust gas can be adsorbed and removed, prevent dust particles
Blocking pipe causes tube resistance to increase, and causes tracheal rupture, and wind flow drop caused by dust particles blocking pipe can be effectively prevented
It is low, it is ensured that the normal circulation of exhaust gas guarantees the circulation of exhaust gas, improves the service life of pipe；Preparation method is simple, scientific and reasonable.
Detailed description of the invention
Fig. 1 is structural schematic diagram when vertical block of the invention and square block push against；
Fig. 2 is structural schematic diagram when vertical block and square block of the invention separate.
Wherein, 1- tube body, 2- inlet end, the outlet side 3-, 4- dust sensor, the vertical screen pack of 5-, 6- dust mistake
Filter chamber, 7- square block, 8- air inlet, 9- filter screen structure, the first filter screen of 91-, the second filter screen of 92-, the filtering of 93- third
Net, the 4th filter screen of 94-, 10- horizontal filtering web plate, 11- horizontal baffle, 12- shaft, 13- Horizontal limiting plate, 14- groove,
15- plunger shaft, the vertical block of 16-, the vertical cylinder of 17-, 18- piston rod, 19- limited block, 20- cushion rubber bumper, 21- gasket
Block.
Specific embodiment
To keep purpose, the technical scheme and beneficial effects of the embodiment of the present invention clearer, below in conjunction with of the invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
A part of the embodiments of the present invention, rather than whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative labor, belongs to protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limitation of the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or integrally connected；It can be directly
It is connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Unless otherwise defined, the technical term or scientific term furthermore used, which is should be in fields of the present invention, to be had
The ordinary meaning that the personage of general technical ability is understood." one used in present patent application specification and claims
It is a " or the similar word such as " one " do not indicate that quantity limits yet, but indicate that there are at least one.
As shown in Figs. 1-2, the pipe for exhaust-gas treatment air-line system of the invention, including tube body 1, the tube body 1
For hollow form and one end is inlet end 2, and the other end is outlet side 3；The 1 inner end roof of tube body is equipped with a dust-filtering chamber
6, be equipped with a square block 7 in axial direction arranged in dust-filtering chamber 6,7 upper end of square block by it is several it is equidistant between
It is connected on the roof of dust-filtering chamber 6 every the filter screen structure 9 that the mesh of arrangement successively decreases, dust-filtering chamber 6 is close to inlet end 2
Equipped with air inlet 8, a horizontal baffle 11 is equipped at the air inlet 8, the horizontal baffle 11 and 7 lower end of square block hingedly connect
It connects, dust-filtering chamber 6 is equipped with gas outlet (not shown) by near outgassing end 3, and the gas outlet is connected to tube body 1；Positioned at described
1 inner end bottom wall of tube body be equipped with a plunger shaft 151, the piston 5 it is intracavitary be equipped with piston rod 18,18 lower end of piston rod and
Vertical cylinder 17 connects, and upper end and limited block 19 connect, and the limited block 19 and vertical block 16 connect, the vertical cylinder 17
Setting is in 1 lower end outside of tube body and for driving vertical block 16 to do vertical motion in plunger shaft 15；In the tube body 1
It is additionally provided with several vertical screen packs 5 perpendicular to axial direction；1 inner end of tube body is passed close to inlet end 2 equipped with dust
Sensor 4, the dust sensor 4 and vertical cylinder 17 communicate to connect.Dust sensor 4 of the present invention can be infrared powder
Dust sensor may be laser dust sensor, preferably infrared dust sensor.When dust sensor senses dust,
Air cylinder driven piston rod drives vertical block up to move the air inlet at this time when vertical block top is resisted against square block bottom end
End pressure increases and jacks up the horizontal baffle at air inlet is located at, and it is intracavitary by filter screen structure that exhaust gas enters dust-filtering
It is discharged again through outlet side after filtering out the dust particles in exhaust gas through gas outlet discharge.
The square block 7 is the silencing block equipped with several honeycomb holes.Honeycomb hole, which runs through, plays the role of absorbing sound and lowering noise.
The square block 7 is equipped with shaft 12 close to 2 lower end of inlet end, and described 11 one end of horizontal baffle passes through shaft 12 and side
Shape block 7 connects, and the other end is free end.
1 inner wall of tube body, which is located at air inlet 8, is equipped with a Horizontal limiting plate 13, and the Horizontal limiting plate 13 is for solid
The free end of the fixed horizontal baffle 11.
As shown in Fig. 2, 7 bottom end of square block is equipped with groove 14, the groove 14 is for accommodating vertical 16 top of block
And seal block 21 is equipped in groove 14.Improve the sealing performance between vertical block and groove.
As shown in Figs. 1-2,16 top of vertical block is equipped with cushion rubber bumper 20.
The filter screen structure includes the first filter screen 91, the second filter screen 92, third filter screen 93 and the 4th filter screen
94, first filter screen 91, the second filter screen 92, third filter screen 93 and the 4th filter screen 94 are by inlet end 2 to outlet side 3
Direction is arranged and first filter screen 91, the second filter screen 92, third filter screen 93 and the 4th filter screen 94 and dust
It is to be detachably connected between 6 roof of filter chamber and square block 7.The setting of multiple filtration net substantially increases filter effect, easy to disassemble
Replacement cleaning.
The gas outlet is equipped with horizontal filtering web plate 10, the horizontal filtering web plate 10 and square block 7 and dust-filtering
It is detachably connected between chamber inner sidewall.Further increase the absorbing and filtering effect of dust.
The mesh-structured of vertical screen pack 5 of the invention is greater than 10 net of 91 mesh of the first filter screen and horizontal filtering web plate
Hole, shown 10 mesh of horizontal filtering web plate is less than the first filter screen 91 and 92 mesh of the second filter screen and is greater than third filter screen 93
With 94 mesh of the 4th filter screen.This setting can by exhaust gas after filter screen structure is handled using horizontal filtering web plate knot
Structure not will cause that exhaust gas pressure that gas outlet goes out is excessive to be caused to destroy horizontal filtering web plate and dust mistake convenient for the circulation of exhaust gas
Filter chamber interior wall construction.
Vertical screen pack 10 of the invention is in be arranged in a staggered manner up and down.
A kind of preparation method of pipe for exhaust-gas treatment air-line system of the present invention, comprising the following steps:
1) prepare the pipe of a hollow form, both ends are respectively formed inlet end 2 and outlet side 3, and centre is venting cavity；At inlet end 2
Dust sensor 4 is set；
2) upper end offers dust-filtering chamber 6 and is being equipped with Horizontal limiting at the air inlet at inlet end 2 in tube body 1
Plate 13；
3) square block 7 is processed, shaft 12 is set in its lower end side and connects horizontal baffle 11, is offered in 7 lower end of square block
For accommodating the groove 14 of vertical block 16, it is placed with seal block 21 in groove 14, is located at groove 14 in 7 lower end of square block
Side be equipped with vertical screen pack 5, be successively arranged the first filter screen 91, the second filter screen 92, third mistake on 7 top of square block
Strainer 93 and the 4th filter screen 94 form the filter screen structure 9 that mesh successively decreases；
4) plunger shaft 15 is offered in 1 lower end of tube body, vertical block 16 is placed in plunger shaft 15 and limited block 19 connects
It is connect again with the piston rod of vertical cylinder 17 afterwards；
5) dust sensor 4 and vertical cylinder 17 are communicatively coupled, realize that dust sensor receives after dust signal i.e.
Vertical cylinder 17 is sent a signal to, vertical 17 execution of cylinder drives vertical block 16 up to move and seal with groove 14,
Exhaust gas pressure increase at air inlet 8 opens horizontal baffle 11, and the exhaust gas with dust particles, which enters in dust-filtering chamber 6, to pass through
It crosses after filter screen structure 9 removes dust particles and is most discharged afterwards through outlet side 3 by gas outlet.
Finally, it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to above-described embodiment, those skilled in the art should understand that, it can be to invention
Technical solution is modified or replaced equivalently, and without departing from the range of technical solution of the present invention, should all be covered in the present invention
Scope of the claims in.
Claims (9)
1. a kind of pipe for exhaust-gas treatment air-line system, which is characterized in that including tube body, the tube body be hollow form and
One end is inlet end, and the other end is outlet side；Tube body inner end roof is equipped with a dust-filtering chamber, in dust-filtering chamber
In be equipped with a square block in axial direction arranged, what the square block upper end was successively decreased by the mesh that several equidistant intervals are arranged
Filter screen structure is connected on the roof of dust-filtering chamber, and dust-filtering chamber is equipped with air inlet, the air inlet close to inlet end
Place is equipped with a horizontal baffle, and the horizontal baffle and the articulated connection of square block lower end, dust-filtering chamber are equipped with by near outgassing end
Port, the gas outlet are connected to tube body；It is equipped with a plunger shaft positioned at tube body inner end bottom wall, in the plunger shaft
Equipped with piston rod, the piston-rod lower end is connected with vertical cylinder, and upper end is connected with limited block, the limited block and vertical block
Connection, the vertical cylinder setting is in tube body lower end outside and for driving vertical block to do vertical motion in plunger shaft；
Several vertical screen packs perpendicular to axial direction are additionally provided in the tube body；The tube body inner end is set close to inlet end
There are dust sensor, the dust sensor and the communication connection of vertical cylinder.
2. a kind of pipe for exhaust-gas treatment air-line system according to requiring 1, which is characterized in that the square block be equipped with
The silencing block of several honeycomb holes.
3. a kind of pipe for exhaust-gas treatment air-line system according to claim 1 or 2, which is characterized in that described rectangular
Block is equipped with shaft close to inlet end lower end, and described horizontal baffle one end is connected by shaft with square block, and the other end is free end.
4. a kind of three for exhaust-gas treatment air-line system according to claim 3, which is characterized in that in the tube body
Wall, which is located at air inlet, is equipped with a Horizontal limiting plate, and the Horizontal limiting plate is used to fix the free end of the horizontal baffle.
5. a kind of pipe for exhaust-gas treatment air-line system according to claim 4, which is characterized in that the square block bottom
End is equipped with groove, and the groove is equipped with seal block for accommodating in vertical block top and groove.
6. a kind of pipe for exhaust-gas treatment air-line system according to claim 5, which is characterized in that the vertical block
Top is equipped with cushion rubber bumper.
7. a kind of pipe for exhaust-gas treatment air-line system according to claim 6, which is characterized in that the filter screen knot
Structure include the first filter screen, the second filter screen, third filter screen and the 4th filter screen, first filter screen, the second filter screen,
Third filter screen and the 4th filter screen are arranged by inlet end to outlet extreme direction and first filter screen, the second filtering
It is to be detachably connected between net, third filter screen and the 4th filter screen and dust-filtering chamber roof and square block.
8. a kind of pipe for exhaust-gas treatment air-line system according to claim 7, which is characterized in that on the gas outlet
Equipped with horizontal filtering web plate, it is detachably connected between the horizontal filtering web plate and square block and dust-filtering chamber inner sidewall.
9. a kind of preparation method of pipe for exhaust-gas treatment air-line system according to claim 8, which is characterized in that packet
Include following steps:
1) prepare the pipe of a hollow form, both ends are respectively formed inlet end and outlet side, and centre is venting cavity；It is arranged at inlet end
Dust sensor；
2) upper end offers dust-filtering chamber and is being equipped with Horizontal limiting plate at the air inlet at inlet end in tube body；
3) square block is processed, shaft is set in its lower end side and connects horizontal baffle, is offered in square block lower end for holding
It receives the groove of vertical block, seal block is placed in groove, is equipped with vertical mistake on the side that square block lower end is located at groove
Sieve plate is successively arranged the first filter screen, the second filter screen, third filter screen and the 4th filter screen on square block top and forms net
The filter screen structure that hole is successively decreased；
4) offer plunger shaft in tube body lower end, by vertical block be placed in plunger shaft and limited block connection after again and vertically
The piston rod of cylinder connects；
5) dust sensor and vertical cylinder are communicatively coupled, realize and is sent after dust sensor receives dust signal
Signal gives vertical cylinder, and vertical cylinder execution drives vertical block up to move and seal with groove, useless at air inlet
Atmospheric pressure increase opens horizontal baffle, and the exhaust gas with dust particles enters in dust-filtering chamber to be removed by filter screen structure
It is most discharged afterwards through outlet side after dust particles by gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810858669.2A CN108926931A (en) | 2018-07-31 | 2018-07-31 | A kind of pipe and preparation method thereof for exhaust-gas treatment air-line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810858669.2A CN108926931A (en) | 2018-07-31 | 2018-07-31 | A kind of pipe and preparation method thereof for exhaust-gas treatment air-line system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108926931A true CN108926931A (en) | 2018-12-04 |
Family
ID=64444665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810858669.2A Pending CN108926931A (en) | 2018-07-31 | 2018-07-31 | A kind of pipe and preparation method thereof for exhaust-gas treatment air-line system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108926931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230778A (en) * | 2021-03-28 | 2021-08-10 | 黄予鹏 | Waste gas purification equipment with filtering function for chemical industry machinery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030092488A (en) * | 2002-05-30 | 2003-12-06 | 현대자동차주식회사 | Pressure damping device of gas filter |
| CN206823402U (en) * | 2017-05-02 | 2018-01-02 | 东鹏博大（天津）实业有限公司 | A kind of zinc gray waste gas filter |
| CN107583451A (en) * | 2017-08-19 | 2018-01-16 | 骆金美 | A kind of purifying indoor formaldehyde robot |
| CN207036520U (en) * | 2017-07-24 | 2018-02-23 | 江苏中聚检测服务有限公司 | A kind of air sampler |
| CN108201741A (en) * | 2016-12-17 | 2018-06-26 | 重庆市银盛模具有限公司 | Exhaust gas discharge structure |
-
2018
- 2018-07-31 CN CN201810858669.2A patent/CN108926931A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030092488A (en) * | 2002-05-30 | 2003-12-06 | 현대자동차주식회사 | Pressure damping device of gas filter |
| CN108201741A (en) * | 2016-12-17 | 2018-06-26 | 重庆市银盛模具有限公司 | Exhaust gas discharge structure |
| CN206823402U (en) * | 2017-05-02 | 2018-01-02 | 东鹏博大（天津）实业有限公司 | A kind of zinc gray waste gas filter |
| CN207036520U (en) * | 2017-07-24 | 2018-02-23 | 江苏中聚检测服务有限公司 | A kind of air sampler |
| CN107583451A (en) * | 2017-08-19 | 2018-01-16 | 骆金美 | A kind of purifying indoor formaldehyde robot |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230778A (en) * | 2021-03-28 | 2021-08-10 | 黄予鹏 | Waste gas purification equipment with filtering function for chemical industry machinery |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181204 |