CN219735330U - Chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industries - Google Patents
Chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industries Download PDFInfo
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- CN219735330U CN219735330U CN202321013147.5U CN202321013147U CN219735330U CN 219735330 U CN219735330 U CN 219735330U CN 202321013147 U CN202321013147 U CN 202321013147U CN 219735330 U CN219735330 U CN 219735330U
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- chlorine
- vcm
- absorption tower
- waste liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 239000002699 waste material Substances 0.000 title claims abstract description 35
- 239000000460 chlorine Substances 0.000 title claims abstract description 33
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 29
- 239000002912 waste gas Substances 0.000 title claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 claims abstract description 44
- 238000010791 quenching Methods 0.000 claims abstract description 36
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003546 flue gas Substances 0.000 claims abstract description 30
- 230000000171 quenching effect Effects 0.000 claims abstract description 29
- 238000005406 washing Methods 0.000 claims abstract description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002918 waste heat Substances 0.000 claims abstract description 23
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 19
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 14
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 12
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 10
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 10
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010525 oxidative degradation reaction Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model provides a chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industries, relates to the technical field of chlorine-containing waste liquid and gas treatment, and solves the problems of high operation energy consumption and long flow in the prior art. Comprising the following steps: the heat source inlet of the waste heat boiler is communicated with the exhaust port of the incinerator; an air inlet pipe of the quenching tank is communicated with a heat source outlet of the waste heat boiler; the bottom air inlet of the absorption tower is communicated with the air outlet pipe of the quenching tank; the bottom air inlet of the washing tower is communicated with the top air outlet of the absorption tower; an air inlet of the heater is communicated with an air outlet at the top of the washing tower; the dust-nitrate integrated reactor is communicated with an air outlet of the heater. The high-temperature flue gas enters a waste heat boiler to recover heat, enters an absorption tower to recover hydrochloric acid, and a washing tower removes residual HCl and Cl in the flue gas 2 The dust-nitrate integrated reactor is used for purifying nitrogen oxides, dust and dioxin in tail gas; by using the device, the process flow of the incineration system is shortened, the waste heat is recovered, and the operation energy consumption is reduced.
Description
Technical Field
The utility model relates to the technical field of chlorine-containing waste liquid and gas treatment, in particular to a chlorine-containing waste liquid and gas incineration system suitable for VCM and PVC industries.
Background
A large amount of chlorine-containing waste liquid/waste gas can be generated in the production operation of VCM and PVC in the chemical industry, and the main components are as follows: chlorine-containing organic matters such as chloroethylene, dichloroethane, chloroform, carbon tetrachloride, chlorobenzene and the like, and also contains a large amount of water and a small amount of Na2CO3. The high-toxicity and high-corrosiveness waste liquid belongs to dangerous waste liquid and is generally treated by adopting an incineration method.
The existing waste liquid incineration technology has good effect in the application of treating chlorine-containing waste liquid incineration, but has the current defects of long process flow and high operation energy consumption, which results in higher investment of a waste liquid incineration system and poor operation economy. For example, in the waste liquid incineration system described in the prior art patent CN217235616U, after the chlorine-containing waste liquid is incinerated, the waste liquid passes through a waste heat boiler and a quenching tower, and then passes through a dust remover, a hydrochloric acid absorption tower, an alkaline washing tower, a reheater, an SCR reactor and adsorption equipment, which results in overlong process flow, adverse control and increased investment; in the waste liquid incineration systems disclosed in the prior art patents CN114278949A, CN 210398941U and CN110360577A, chlorine-containing waste liquid is directly cooled in a quenching tank after being incinerated, so that the waste heat of high-temperature flue gas generated by an incinerator cannot be recovered, energy is wasted, and the operation energy consumption is increased.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide a chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industries, wherein chlorine-containing waste liquid/waste gas is sprayed into an incinerator for oxidative degradation, high-temperature flue gas generated after incineration enters a waste heat boiler to recover heat, then is led into a quenching tank for rapid cooling, the cooled flue gas enters an absorption tower to recover hydrochloric acid, and then enters a washing tower to remove residual HCl and Cl in the flue gas 2 Heating deacidified flue gas by a heater, purifying nitrogen oxides, dust and dioxin in the tail gas by a dust-nitrate integrated reactor, and finally removing a chimney by an induced draft fan for emission; by using the device, the process flow of the incineration system is shortened, the waste heat is recovered, and the operation energy consumption is reduced.
The embodiment of the utility model is realized by the following technical scheme:
chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industries, comprising:
an incinerator for incinerating waste liquid and waste gas;
the waste heat boiler is used for absorbing heat generated after incineration, and a heat source inlet of the waste heat boiler is communicated with an exhaust port of the incinerator;
the quenching tank is used for cooling the flue gas generated after incineration, and an air inlet pipe of the quenching tank is communicated with a heat source outlet of the waste heat boiler;
the absorption tower is used for absorbing hydrogen chloride in the flue gas, and an air inlet at the bottom of the absorption tower is communicated with an air outlet pipe of the quenching tank;
the washing tower is used for removing residual hydrogen chloride and chlorine in the flue gas, and the bottom air inlet of the washing tower is communicated with the top air outlet of the absorption tower;
the heater is used for heating the deacidified flue gas, and an air inlet of the heater is communicated with an air outlet at the top of the washing tower;
the dust and nitrate integrated reactor is used for removing nitrogen oxides, dust and dioxin in flue gas, the dust and nitrate integrated reactor is communicated with an air outlet of the heater, the dust and nitrate integrated reactor is connected with an induced draft fan, and the induced draft fan is connected with a chimney.
Preferably, the incinerator is a horizontal incinerator.
Preferably, the waste heat boiler is of a film type cooling wall structure.
Preferably, the air inlet pipe of the quenching tank extends to the position below the liquid level of the quenching liquid.
Preferably, the bottom of quench pot is connected with the drain pipe, the drain pipe is connected with first circulating pump, first circulating pump is connected with first cooler through the pipeline, first cooler is connected with the feed liquor pipe with quench pot intercommunication.
Preferably, the quenching tank is connected with a recovery pipeline, and a first suction pump and a second cooler are arranged on the recovery pipeline.
Preferably, the absorption tower is a bubble cap tower.
Preferably, the absorption tower is provided with a two-stage spray structure, the spray structure at the upper part of the absorption tower adopts softened water as a spray medium, and the spray structure at the lower part of the absorption tower adopts dilute hydrochloric acid absorption liquid as a spray medium.
Preferably, the spraying structure of absorption tower lower part has crude acid jar through the pipe connection, crude acid jar is connected with the second suction pump, the second suction pump is connected with the third cooler, the pipe connection between second suction pump and the third cooler has the honeycomb duct with the absorption tower intercommunication.
Preferably, the bottom of the washing tower is connected with a second circulating pump through a pipeline, and the second circulating pump is communicated with the upper end of the washing tower through a pipeline.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
the chlorine-containing waste liquid/waste gas is sprayed into an incinerator for oxidative degradation, and high-temperature flue gas generated after incineration enters a waste heat boiler for recyclingHeat is recovered, then the cooled flue gas is led into a quenching tank for rapid cooling, hydrochloric acid is recovered from the cooled flue gas in an absorption tower, and then the hydrochloric acid is led into a washing tower for removing residual HCl and Cl in the flue gas 2 Heating deacidified flue gas by a heater, purifying nitrogen oxides, dust and dioxin in the tail gas by a dust-nitrate integrated reactor, and finally removing a chimney by an induced draft fan for emission; by using the device, the process flow of the incineration system is shortened, the waste heat is recovered, and the operation energy consumption is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart provided in an embodiment of the present utility model;
icon: 1-an incinerator; 2-an exhaust-heat boiler; 3-a quenching tank; 4-an absorption tower; 5-a washing tower; 6-a heater; 7-dust and nitrate integrated reactor; 8-induced draft fan; 9-chimney; 10-a combustion-supporting fan; 11-a first circulation pump; 12-a first suction pump; 13-a first cooler; 14-a second cooler; 15-a crude acid tank; 16-a second suction pump; 17-a third cooler; 18-a second circulation pump.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model is described in detail below with reference to fig. 1.
Examples
Chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industries, comprising:
an incinerator 1 for incinerating waste liquid and exhaust gas;
the waste heat boiler 2 is used for absorbing heat generated after incineration, and a heat source inlet of the waste heat boiler 2 is communicated with an exhaust port of the incinerator 1;
the quenching tank 3 is used for cooling the flue gas generated after incineration, and an air inlet pipe of the quenching tank 3 is communicated with a heat source outlet of the waste heat boiler 2;
the absorption tower 4 is used for absorbing hydrogen chloride in the flue gas, and an air inlet at the bottom of the absorption tower 4 is communicated with an air outlet pipe of the quenching tank 3;
the washing tower 5 is used for removing residual hydrogen chloride and chlorine in the flue gas, and a bottom air inlet of the washing tower 5 is communicated with a top air outlet of the absorption tower 4;
the heater 6 is used for heating the deacidified flue gas, an air inlet of the heater 6 is communicated with an air outlet at the top of the washing tower 5, and the heater 6 is a flue type heater;
the dust and nitrate integrated reactor 7 is used for removing nitrogen oxides, dust and dioxin in flue gas, the dust and nitrate integrated reactor 7 is communicated with an air outlet of the heater 6, the dust and nitrate integrated reactor 7 is connected with an induced draft fan 8, and the induced draft fan 8 is connected with a chimney 9.
The incinerator 1 is also connected with a combustion-supporting fan 10, and the combustion-supporting fan 10 supplements oxygen to the incinerator 1 to ensure sufficient combustion. The filtering catalytic material of the dust-nitre integrated reactor 7 is in a filter bag or filter tube structure, the dust-nitre integrated reactor 7 is connected with a bypass pipeline in parallel, and when the content of nitrogen oxides, dust and dioxin in front is detected to be lower, the dust-nitre integrated reactor 7 can not be used for treating tail gas, so that the loss of the dust-nitre integrated reactor 7 is reduced.
The incinerator 1 is a horizontal incinerator, and the auxiliary steel of the horizontal incinerator is simple in structure, can be directly placed on the ground, and is convenient for placing the incinerator 1.
The waste heat boiler 2 is of a film type cooling wall structure, so that the problem that the waste heat boiler 2 is blocked by salt dust can be reduced.
The air inlet pipe of the quenching tank 3 extends to the lower part of the liquid level of the quenching liquid, so that the burnt flue gas can be rapidly cooled, and the generation of dioxin is reduced.
The bottom of quench tank 3 is connected with the drain pipe, and the drain pipe is connected with first circulating pump 11, and first circulating pump 11 is connected with first cooler 13 through the pipeline, and first cooler 13 is connected with the feed liquor pipe with quench tank 3 intercommunication. By arranging the first cooler 13 to circularly cool the cooling liquid in the quenching tank 3, the use of water resources is saved.
The quench tank 3 is connected with a recovery pipe on which a first suction pump 12 and a second cooler 14 are arranged. The recovery line may recover the acid in the quench tank 3, wherein the second cooler 14 cools the recovered acid.
The absorption column 4 is a bubble column. The use of a bubble column allows for maximum absorption of HCl in the flue gas.
The absorption tower 4 is provided with a two-stage spray structure, and the spray structure at the upper part of the absorption tower 4 adopts softened water as a spray medium, and the spray structure at the lower part of the absorption tower 4 adopts dilute hydrochloric acid absorption liquid as a spray medium.
The spray structure of absorption tower 4 lower part is connected with crude acid jar 15 through the pipeline, and crude acid jar 15 is connected with second suction pump 16, and second suction pump 16 is connected with third cooler 17, and the pipeline between second suction pump 16 and the third cooler 17 is connected with the honeycomb duct with absorption tower 4 intercommunication. The absorption liquid which does not fully absorb the acid is guided into the absorption tower 4 for recycling through the arrangement of the guide pipe, so that the utilization rate of the absorption liquid is increased, and after the absorption liquid fully absorbs the acid, the crude acid is recycled.
The bottom of the washing tower 5 is connected with a second circulation through a pipelineThe pump 18, the second circulating pump 18 is communicated with the upper end of the washing tower 5 through a pipeline. The washing liquid is recycled through the second circulating pump 18, so that the utilization rate of the washing liquid is improved; the washing liquid contains NaOH and Na 2 S 2 O 3 To wash and remove residual HCl and Cl in the flue gas 2 。
The absorption tower 4 is connected with a conduit which is communicated with the quenching tank 3, and part of water in the absorption tower 4 can be led into the quenching tank 3 for use so as to supplement the loss of cooling liquid of the quenching tank 3 and further improve the utilization rate of water resources.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. Chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industry, which is characterized by comprising:
an incinerator (1) for incinerating waste liquid and waste gas;
the waste heat boiler (2) is used for absorbing heat generated after incineration, and a heat source inlet of the waste heat boiler (2) is communicated with an exhaust port of the incinerator (1);
the quenching tank (3) is used for cooling the flue gas generated after incineration, and an air inlet pipe of the quenching tank (3) is communicated with a heat source outlet of the waste heat boiler (2);
the absorption tower (4) is used for absorbing hydrogen chloride in the flue gas, and an air inlet at the bottom of the absorption tower (4) is communicated with an air outlet pipe of the quenching tank (3);
the washing tower (5) is used for removing residual hydrogen chloride and chlorine in the flue gas, and a bottom air inlet of the washing tower (5) is communicated with a top air outlet of the absorption tower (4);
the heater (6) is used for heating the deacidified flue gas, and an air inlet of the heater (6) is communicated with an air outlet at the top of the washing tower (5);
the dust and nitrate integrated reactor (7) is used for removing nitrogen oxides, dust and dioxin in flue gas, the dust and nitrate integrated reactor (7) is communicated with an air outlet of the heater (6), the dust and nitrate integrated reactor (7) is connected with an induced draft fan (8), and the induced draft fan (8) is connected with a chimney (9).
2. Chlorine-containing waste liquid and waste gas incineration system applicable to the VCM and PVC industries according to claim 1, characterised in that the incinerator (1) is a horizontal incinerator.
3. Chlorine-containing waste liquid and waste gas incineration system applicable to VCM and PVC industries according to claim 1, characterised in that the waste heat boiler (2) is of a membrane type cooling wall structure.
4. Chlorine-containing waste liquid and waste gas incineration system applicable to the VCM and PVC industries according to claim 1, characterised in that the air inlet pipe of the quenching tank (3) extends below the level of the quenching liquid.
5. The chlorine-containing waste liquid and waste gas incineration system applicable to the VCM and PVC industries according to claim 1, wherein a liquid outlet pipe is connected to the bottom of the quenching tank (3), a first circulating pump (11) is connected to the liquid outlet pipe, the first circulating pump (11) is connected with a first cooler (13) through a pipeline, and the first cooler (13) is connected with a liquid inlet pipe communicated with the quenching tank (3).
6. Chlorine-containing waste liquid and waste gas incineration system applicable to the VCM and PVC industry according to claim 1, characterised in that the quench tank (3) is connected with a recovery pipe, on which a first suction pump (12) and a second cooler (14) are arranged.
7. Chlorine-containing waste liquid and waste gas incineration system applicable to the VCM and PVC industry according to claim 1, characterised in that the absorption tower (4) is a bubble column.
8. The chlorine-containing waste liquid and waste gas incineration system applicable to the VCM and PVC industries according to claim 1, wherein the absorption tower (4) is provided with a two-stage spray structure, the spray structure at the upper part of the absorption tower (4) adopts softened water as a spray medium, and the spray structure at the lower part of the absorption tower (4) adopts dilute hydrochloric acid absorption liquid as a spray medium.
9. The chlorine-containing waste liquid and waste gas incineration system applicable to the VCM and PVC industries according to claim 8, wherein a spraying structure at the lower part of the absorption tower (4) is connected with a crude acid tank (15) through a pipeline, the crude acid tank (15) is connected with a second suction pump (16), the second suction pump (16) is connected with a third cooler (17), and a flow guide pipe communicated with the absorption tower (4) is connected with a pipeline between the second suction pump (16) and the third cooler (17).
10. The chlorine-containing waste liquid and waste gas incineration system applicable to the VCM and PVC industries according to claim 1, wherein the bottom of the washing tower (5) is connected with a second circulating pump (18) through a pipeline, and the second circulating pump (18) is communicated with the upper end of the washing tower (5) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013147.5U CN219735330U (en) | 2023-04-28 | 2023-04-28 | Chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013147.5U CN219735330U (en) | 2023-04-28 | 2023-04-28 | Chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industries |
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| Publication Number | Publication Date |
|---|---|
| CN219735330U true CN219735330U (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321013147.5U Active CN219735330U (en) | 2023-04-28 | 2023-04-28 | Chlorine-containing waste liquid and waste gas incineration system suitable for VCM and PVC industries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219735330U (en) |
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- 2023-04-28 CN CN202321013147.5U patent/CN219735330U/en active Active
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