CN210584198U - Plastic waste gas treatment equipment - Google Patents
Plastic waste gas treatment equipment Download PDFInfo
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- CN210584198U CN210584198U CN201921015613.7U CN201921015613U CN210584198U CN 210584198 U CN210584198 U CN 210584198U CN 201921015613 U CN201921015613 U CN 201921015613U CN 210584198 U CN210584198 U CN 210584198U
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- Prior art keywords
- tower
- tower body
- activated carbon
- waste gas
- brush
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- Expired - Fee Related
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- 239000007789 gas Substances 0.000 title claims abstract description 42
- 239000013502 plastic waste Substances 0.000 title description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000002912 waste gas Substances 0.000 claims abstract description 47
- 238000006303 photolysis reaction Methods 0.000 claims abstract description 25
- 239000004033 plastic Substances 0.000 claims abstract description 24
- 229920003023 plastic Polymers 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 21
- 230000003647 oxidation Effects 0.000 claims abstract description 19
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 19
- 230000015843 photosynthesis, light reaction Effects 0.000 claims abstract description 17
- 238000007790 scraping Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000010405 clearance mechanism Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 3
- 238000000746 purification Methods 0.000 description 15
- 241000220317 Rosa Species 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000011941 photocatalyst Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a plastics exhaust-gas treatment equipment, include: the spray tower comprises a cylindrical tower body and a conical tower top, wherein the side part of the lower end of the tower body is provided with an air inlet for introducing waste gas, and the tower top is provided with an air outlet; the tower body is internally provided with an installation plate, a plurality of through holes are uniformly distributed on the installation plate, a plurality of spray headers are arranged on the lower side of the installation plate, and a high-pressure pump arranged outside the tower body is communicated with the spray headers through a pipeline to supply liquid; the cleaning mechanism comprises a rotating motor, a rotating shaft, a support rod, a scraping plate and a brush, wherein the rotating motor drives the rotating shaft to rotate so that the scraping plate and the brush can be cleaned along the inner wall of the tower body; an activated carbon filter in communication with the air outlet; and the photolysis oxidation device is communicated with the activated carbon filter. The utility model discloses set up clearance mechanism and scrape and sweep and clean the body of the tower inner wall in spraying the jar for the adhesion obtains timely clearance at the wastes material of body of the tower inner wall, has reduced the deposit of wastes material, has reduced follow-up abluent trouble.
Description
Technical Field
The utility model relates to a waste gas treatment equipment technical field, more specifically say, the utility model relates to a plastics waste gas treatment equipment.
Background
Waste gas is generated in the plastic production process, and the waste gas contains non-methane total hydrocarbons, dust particles and the like, has great influence on human bodies and environment and cannot be directly discharged into the atmosphere. The existing plastic waste gas treatment process generally comprises the steps of spraying and purifying plastic waste gas through a spray tower, and splitting the waste gas through a photocatalytic oxidation device, for example, the Chinese patent with the application number of 2017216882129 discloses an environment-friendly device for treating the plastic waste gas, wherein a photolysis oxidation device is firstly arranged to carry out oxidative decomposition on the waste gas, and then the waste gas is sprayed and purified in a catalytic treatment tank. The solution described in this patent has the following problems: firstly, the waste gas contains more dust particles, and the effect of photolytic oxidation can be influenced by directly introducing the waste gas into photolytic oxidation equipment; secondly, the spray header in the catalytic treatment tank sprays liquid from top to bottom, part of the liquid adheres to the inner wall of the tank body and reacts with the waste gas in a contact manner, and the generated waste adheres to the inner wall of the tank body and is difficult to clean.
Therefore, it is desirable to design a plastic exhaust gas treatment device capable of solving the above technical problems.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to address at least the above-mentioned deficiencies and to provide at least the advantages which will be explained later.
Another object of the utility model is to provide a plastics exhaust-gas treatment equipment that can improve the photolysis oxidation effect.
Another object of the utility model is to provide a can carry out abluent plastics exhaust-gas treatment equipment in to spraying the jar.
In order to achieve these objects and other advantages in accordance with the purpose of the invention, the present invention provides a plastic exhaust gas treatment device, wherein, including:
the spray tower comprises a cylindrical tower body and a conical tower top, wherein an air inlet for introducing waste gas is formed in the side part of the lower end of the tower body, and an air outlet is formed in the tower top; a circular mounting plate is concentrically arranged in the tower body, the mounting plate is positioned at the junction of the tower body and the tower top, a plurality of through holes are uniformly distributed on the mounting plate, a plurality of spray headers are equidistantly arranged on the lower side of the mounting plate, and a high-pressure pump arranged outside the tower body is communicated with the spray headers through a pipeline to supply liquid; waste gas lets in through going into the gas port, then scurries to the rising, collides with shower head spun purification liquid, and then is absorbed by purification liquid and makes waste gas can purify, and purification liquid is the purification liquid of conventional use, like strong oxidant, degreaser or lime wash, and the purification liquid can be according to waste gas composition free choice. The waste gas after spraying and purifying passes through the through hole of the mounting plate and then is discharged from the gas outlet. The structural design of the mounting plate can allow waste gas to pass through, and can provide stable support for the spray header and provide space for the spray header to be arranged at equal intervals; the equidistant arrangement of the spray headers can make the spraying more uniform.
The cleaning mechanism comprises a rotating motor, a rotating shaft, a support rod, a scraping plate and a brush, wherein the rotating motor is arranged on the upper side of the mounting plate, the rotating shaft penetrates through the circle center of the mounting plate and then vertically extends downwards, one end of the support rod is connected to the rotating shaft, the other end of the support rod is connected with the scraping plate or the brush, the scraping plate and the brush are tangent to the inner wall of the tower body, and the rotating motor drives the rotating shaft to rotate so that the scraping plate and the brush can be cleaned along the inner wall of the tower body; the waste adhesion that the scavenging solution formed with the waste gas reaction is difficult to clear away at the body of the tower inner wall, and drives scraper blade and brush through rotating the motor drive axis of rotation and move along the body of the tower inner wall to scrape off the waste material of body of the tower inner wall and brush simultaneously.
An activated carbon filter in communication with the air outlet; the waste gas after spraying and purification enters an activated carbon filter, and pollutants and moisture in the waste gas are absorbed and purified by the activated carbon.
A photolytic oxidation device in communication with the activated carbon filter. The waste gas after being absorbed and purified by the active carbon enters the photolysis oxidation device for reaction, and the final purification of the waste gas is realized. The photolysis oxidation device comprises a photolysis chamber, wherein the photolysis chamber is provided with a waste gas inlet and a gas outlet, a photocatalyst and an ultraviolet light generator are arranged in the photolysis chamber, and organic components in waste gas are degraded into low molecular compounds, water and carbon dioxide under the catalysis of the photocatalyst and the irradiation of ultraviolet light, so that the purpose of purification is achieved.
Simultaneously, because waste gas enters into the photodissociation oxidation unit before already by spraying and active carbon filtration purification, solid dust and moisture in the waste gas have been clear away for dust and moisture can not influence the photodissociation of waste gas, thereby has improved the effect that the photodissociation was purified.
Preferably, in the plastic exhaust gas treatment equipment, a liquid collecting tank is arranged at the bottom of the tower body, and the high-pressure pump is communicated with the liquid collecting tank through a circulating pipe. Collecting the purified liquid for recycling.
Preferably, the plastic exhaust gas treatment equipment further comprises an air guide device communicated with the air inlet, and the air guide device comprises:
the first port of the outer cylinder is used for introducing waste gas, and the second port of the outer cylinder is communicated with the gas inlet;
a circular plate concentrically arranged in the outer cylinder, wherein a first side of the circular plate corresponds to the first port, a second side of the circular plate corresponds to the second port, and a plurality of flow guide holes penetrate through the circular plate;
the airflow stirring mechanism comprises a stirring blade, a stirring shaft and a driver, wherein the driver is arranged on the second side of the circular plate, the stirring shaft is connected with the driver and penetrates through the circular plate to extend in the direction of the first port, and the stirring blade is arranged on the stirring shaft.
The collected waste gas is introduced into the first port of the outer cylinder, is stirred by the cutting of the stirring blades and then passes through the diversion holes in the circular plate, so that the gas flow is divided into uniform small gas flows, and the uniform small gas flows and the purified liquid react more fully.
Preferably, in the plastic exhaust-gas treatment equipment, the branch has the multiunit, and each group's branch includes first branch and second branch, first branch and second branch set up respectively the both sides of axis of rotation, first branch and second branch correspond and set up a scraper blade or brush.
Preferably, in the plastic exhaust gas treatment device, the activated carbon filter includes:
the filter box is of a cuboid structure, an accommodating space is formed inside the filter box, a first end of the filter box is communicated with the air outlet, a second end of the filter box is communicated with the photolysis oxidation device, and a card inserting groove arranged along the width direction of the filter box is formed in the upper side of the filter box;
the thickness of the activated carbon module is smaller than or equal to the width of the card slot, and the activated carbon module is movably inserted into the card slot.
The activated carbon module is inserted into the filter box in a movable mode, so that the filter box can be conveniently replaced, and the replacement speed is accelerated. The overall efficiency is improved.
Preferably, in the plastic exhaust gas treatment device, the activated carbon filter further includes a cover, and the cover covers the upper side of the filter box. The activated carbon module can be conveniently put in or taken out after the cover is opened, the operation is convenient, and meanwhile, the cover can prevent air leakage.
Preferably, in the plastic exhaust gas treatment device, a protective casing is arranged outside the rotating motor, and the rotary motor is sealed inside the protective casing. The housing prevents exhaust gas from damaging the rotating motor.
The utility model discloses at least, include following beneficial effect:
the utility model discloses set up clearance mechanism and scrape and sweep and clean the body of the tower inner wall in spraying the jar for the adhesion obtains timely clearance at the wastes material of body of the tower inner wall, has reduced follow-up abluent trouble.
The utility model discloses set up spray column and active carbon filter and purify the back and let in photodissociation purification in the photodissociation oxidation unit again to waste gas, solid dust and moisture content in the waste gas after spraying and the active carbon filters reduce, have reduced the influence to the photodissociation purification, have improved photodissociation purifying effect.
The utility model discloses set up the air guide device and carry out the rectification to the waste gas that lets in the spray column, the waste gas through the air guide device is cut and is mixd into the air current of even little thigh, and then makes to spray and purifies more abundant, and the effect is better.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the plastic exhaust gas treatment device according to the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the plastic exhaust gas treatment device according to the present invention;
FIG. 3 is a schematic structural view of an air guide according to the present invention;
fig. 4 is a schematic structural diagram of an activated carbon filter according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1, a plastic exhaust gas treatment device, comprising:
the spray tower 1 comprises a cylindrical tower body 2 and a conical tower top 3, wherein the side part of the lower end of the tower body 2 is provided with an air inlet 4 for introducing waste gas, and the tower top is provided with an air outlet; concentrically in the body of the tower 2 be provided with circular shape mounting panel 5, the diameter of mounting panel is the same with the internal diameter of body of the tower, mounting panel 5 and 2 inner wall joints of body of the tower or welded fastening, mounting panel 5 is located the juncture of body of the tower 2 and top of the tower 3, evenly distributed has a plurality of through-holes 6 on the mounting panel, and through-hole 6 allows waste gas to pass through a plurality of shower heads 7 are installed to the downside equidistance of mounting panel 5, set up at 2 outside high-pressure pumps of body of the tower pass through the pipeline with shower head 7 intercommunication is in order to supply liquid, and the high-pressure pump gets liquid from the liquid reserve tank, has held the scavenging solution.
Clearance mechanism, it is including rotating motor 8, axis of rotation 9, branch, scraper blade 10 and brush 11, it sets up to rotate motor 8 the upside of mounting panel 5, axis of rotation 9 passes vertical downwardly extending behind the centre of a circle of mounting panel 5, and the length of extending is according to the high settlement of body of the tower, can set to the half of body of the tower height or the height that equals the body of the tower, branch one end branch of branch is in on the axis of rotation 9, the other end is connected scraper blade 10 or brush 11, scraper blade 10 and brush 11 with 2 inner walls of the body of the tower are tangent, rotate motor 8 drive axis of rotation 9 rotates so that scraper blade 10 and brush 11 are followed 2 inner walls of the body of the tower clearance.
An activated carbon filter 12 communicating with the air outlet; the exhaust gas after spraying purification enters an activated carbon filter, and pollutants and moisture in the exhaust gas are absorbed and purified by the activated carbon in the exhaust gas.
A photolytic oxidation device 14 in communication with the activated carbon filter 12. The waste gas after being absorbed and purified by the active carbon enters the photolysis oxidation device for reaction, and the final purification of the waste gas is realized. The photolysis oxidation device can use conventional photolysis equipment and also can comprise a photolysis chamber, a photocatalyst and an ultraviolet light generator are arranged in the photolysis chamber, and organic components in the waste gas are degraded into low molecular compounds, water and carbon dioxide under the catalysis of the photocatalyst and the irradiation of ultraviolet light, so that the purpose of purification is achieved.
Further, a liquid collecting tank is arranged at the bottom of the tower body, and the high-pressure pump is communicated with the liquid collecting tank through a circulating pipe.
In another embodiment, as shown in fig. 2, the air guide device 15 is connected to the air inlet, and as shown in fig. 3, the air guide device includes:
an outer cylinder 16, a first port of which is used for introducing waste gas, and a second port of which is communicated with the gas inlet;
a circular plate 17 concentrically disposed in the outer cylinder 16, a first side of the circular plate 17 corresponding to the first port and a second side corresponding to the second port, the circular plate having a plurality of flow guide holes formed therethrough, the flow guide holes allowing exhaust gas to pass therethrough;
the airflow stirring mechanism comprises a stirring blade 20, a stirring shaft 19 and a driver 18, wherein the driver 18 is arranged on the second side of the circular plate 17, the stirring shaft 19 is connected with the driver 18 and penetrates through the circular plate 17 to extend towards the direction of the first port, and the stirring blade 20 is arranged on the stirring shaft 19.
The collected waste gas is introduced into the first port of the outer cylinder, is stirred by the cutting of the stirring blades and then passes through the diversion holes in the circular plate, so that the gas flow is divided into uniform small gas flows, and the uniform small gas flows and the purified liquid react more fully.
Further, branch has the multiunit, and each group's branch includes first branch and second branch, first branch and second branch set up respectively the both sides of axis of rotation, first branch and second branch correspond and set up a scraper blade or brush, and first branch sets up the scraper blade promptly, and second branch sets up the brush, the even symmetry of structure like this.
Further, as shown in fig. 4, the activated carbon filter includes:
the rose box, its cuboid structure, the inside of rose box has accommodation space, the first end and the gas outlet intercommunication of rose box, the second end with photodissociation oxidation unit intercommunication, the upside of rose box has the card slot 21 that sets up along rose box width direction, and the active carbon module that inserts like this in the card slot is mutually perpendicular with the waste gas that gets into from the first end of rose box, improves the filter effect.
The thickness of the activated carbon module 13 is smaller than or equal to the width of the card slot, the activated carbon module 13 is movably inserted into the card slot 21, and the activated carbon module extends to the bottom of the filter box after being inserted into the card slot, namely, the height of the activated carbon module 13 is the same as that of the filter box.
The activated carbon filter also comprises a cover 22, and the cover 22 covers the upper side of the filter box. The activated carbon module can be conveniently put in or taken out after the cover is opened, the operation is convenient, and meanwhile, the cover can prevent air leakage.
Further, a protective shell is arranged outside the rotating motor, and the rotating motor is sealed inside the protective shell.
The utility model discloses an implementation as follows:
introducing waste gas collected in a plastic production workshop into an air guide device, introducing the waste gas into a spray tower after rectification of the air guide device, spraying a purifying liquid downwards by a spray head, and scraping and brushing the inner wall of a tower body by a cleaning mechanism; and introducing the waste gas subjected to spraying purification into an activated carbon filter for filtering, purifying and drying, and allowing the purified and dried waste gas to enter a photolysis oxidation device for photolysis.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art.
Claims (7)
1. A plastic exhaust treatment device, comprising:
the spray tower comprises a cylindrical tower body and a conical tower top, wherein an air inlet for introducing waste gas is formed in the side part of the lower end of the tower body, and an air outlet is formed in the tower top; a circular mounting plate is concentrically arranged in the tower body, the mounting plate is positioned at the junction of the tower body and the tower top, a plurality of through holes are uniformly distributed on the mounting plate, a plurality of spray headers are equidistantly arranged on the lower side of the mounting plate, and a high-pressure pump arranged outside the tower body is communicated with the spray headers through a pipeline to supply liquid;
the cleaning mechanism comprises a rotating motor, a rotating shaft, a support rod, a scraping plate and a brush, wherein the rotating motor is arranged on the upper side of the mounting plate, the rotating shaft penetrates through the circle center of the mounting plate and then vertically extends downwards, one end of the support rod is connected to the rotating shaft, the other end of the support rod is connected with the scraping plate or the brush, the scraping plate and the brush are tangent to the inner wall of the tower body, and the rotating motor drives the rotating shaft to rotate so that the scraping plate and the brush can be cleaned along the inner wall of the tower body;
an activated carbon filter in communication with the air outlet;
a photolytic oxidation device in communication with the activated carbon filter.
2. The plastic exhaust gas treatment device according to claim 1, wherein a sump is provided at a bottom of the tower body, and the high-pressure pump is communicated with the sump through a circulation pipe.
3. The plastic exhaust-gas treatment device of claim 1, further comprising an air guide communicating with the air inlet, the air guide comprising:
the first port of the outer cylinder is used for introducing waste gas, and the second port of the outer cylinder is communicated with the gas inlet;
a circular plate concentrically arranged in the outer cylinder, wherein a first side of the circular plate corresponds to the first port, a second side of the circular plate corresponds to the second port, and a plurality of flow guide holes penetrate through the circular plate;
the airflow stirring mechanism comprises a stirring blade, a stirring shaft and a driver, wherein the driver is arranged on the second side of the circular plate, the stirring shaft is connected with the driver and penetrates through the circular plate to extend in the direction of the first port, and the stirring blade is arranged on the stirring shaft.
4. The plastic exhaust gas treatment device according to claim 1, wherein the struts have a plurality of sets, each set of struts including a first strut and a second strut, the first strut and the second strut being respectively disposed on both sides of the rotation axis, and a scraper or a brush being disposed on the first strut and the second strut, respectively.
5. The plastic exhaust treatment device of claim 1, wherein the activated carbon filter comprises:
the filter box is of a cuboid structure, an accommodating space is formed inside the filter box, a first end of the filter box is communicated with the air outlet, a second end of the filter box is communicated with the photolysis oxidation device, and a card inserting groove arranged along the width direction of the filter box is formed in the upper side of the filter box;
the thickness of the activated carbon module is smaller than or equal to the width of the card slot, and the activated carbon module is movably inserted into the card slot.
6. The plastic exhaust-gas treatment device according to claim 5, wherein the activated carbon filter further comprises a lid that covers an upper side of the filter tank.
7. The plastic exhaust gas treatment device according to claim 1, wherein a protective housing is provided outside the rotary electric machine, the protective housing sealing the rotary electric machine therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015613.7U CN210584198U (en) | 2019-07-02 | 2019-07-02 | Plastic waste gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015613.7U CN210584198U (en) | 2019-07-02 | 2019-07-02 | Plastic waste gas treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210584198U true CN210584198U (en) | 2020-05-22 |
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ID=70719452
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921015613.7U Expired - Fee Related CN210584198U (en) | 2019-07-02 | 2019-07-02 | Plastic waste gas treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210584198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117282248A (en) * | 2023-08-29 | 2023-12-26 | 安徽恒光聚氨酯材料有限公司 | A process and system for treating three wastes in the production of N-phenylmaleimide acid |
-
2019
- 2019-07-02 CN CN201921015613.7U patent/CN210584198U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117282248A (en) * | 2023-08-29 | 2023-12-26 | 安徽恒光聚氨酯材料有限公司 | A process and system for treating three wastes in the production of N-phenylmaleimide acid |
| CN117282248B (en) * | 2023-08-29 | 2024-10-18 | 安徽恒光聚氨酯材料有限公司 | A process and system for treating three wastes in the production of N-phenylmaleimide acid |
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