CN113357654A - Waste gas treatment process generated in waste acrylic regeneration and recovery process - Google Patents
Waste gas treatment process generated in waste acrylic regeneration and recovery process Download PDFInfo
- Publication number
- CN113357654A CN113357654A CN202110688608.8A CN202110688608A CN113357654A CN 113357654 A CN113357654 A CN 113357654A CN 202110688608 A CN202110688608 A CN 202110688608A CN 113357654 A CN113357654 A CN 113357654A
- Authority
- CN
- China
- Prior art keywords
- waste gas
- waste
- flue gas
- condensate
- generated
- 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
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000002912 waste gas Substances 0.000 title claims abstract description 40
- 239000002699 waste material Substances 0.000 title claims abstract description 16
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 230000008929 regeneration Effects 0.000 title claims abstract description 9
- 238000011069 regeneration method Methods 0.000 title claims abstract description 9
- 238000011084 recovery Methods 0.000 title claims abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000003546 flue gas Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 17
- 230000001590 oxidative effect Effects 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims abstract description 12
- 230000008018 melting Effects 0.000 claims abstract description 12
- 238000005336 cracking Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 238000009833 condensation Methods 0.000 claims abstract description 5
- 230000005494 condensation Effects 0.000 claims abstract description 5
- 238000004064 recycling Methods 0.000 claims description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010815 organic waste Substances 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 238000007084 catalytic combustion reaction Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
-
- 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
-
- 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
-
- 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
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a waste gas treatment process generated in a waste acrylic regeneration and recovery process, which comprises the following steps: feeding the waste gas discharged by the tank and the heat exchanger equipment of each procedure into an oxidizing roasting furnace for oxidizing roasting; performing dust removal and cooling operation on the oxidized and roasted flue gas, and then discharging the flue gas after reaching the standard; feeding the cracked and rectified waste gas into a condenser for condensation, and removing impurities by a filter device to recover condensate; the condensate is conveyed to a cracking process to be used as energy of a melting furnace for secondary utilization; and carrying out dust removal and cooling operation on the flue gas generated after the condensate is oxidized and roasted in the melting furnace, and then discharging the flue gas after reaching the standard. The invention improves the waste gas purification strength, recycles the available effective components and saves energy and protects environment.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to a waste gas treatment process generated in a waste acrylic regeneration and recovery process.
Background
The organic waste gas generated in the waste organic glass recycling industry has complex components and low concentration, the process waste gas generated in the production is not subjected to end treatment, the organic waste gas is randomly discharged into the air, the quality of the peripheral air is accelerated and deteriorated in the years. The main pollutants in the waste organic glass recycling industry are waste gas, cracking and rectifying waste gas discharged by equipment such as tanks, heat exchangers and the like in each process. The main components of the product are methyl methacrylate, methyl acrylate, methacrylic acid, methanol and other organic matters.
At present, the organic waste gas can be treated by adopting a condensation method, an adsorption method, a catalytic combustion method, an adsorption and catalytic combustion method, a photocatalysis method, a membrane technology method, a biological method and other processes. The method widely applied to the practical treatment engineering of volatile organic compounds such as methyl methacrylate, methyl acrylate, methanol and the like in the process waste gas of the organic glass industry is a condensation and incineration treatment technology. However, for the waste organic glass recycling industry, especially for enterprises using manual mold filling, the method inevitably causes the situation of incomplete waste gas treatment, even secondary pollution, so that the odor of a factory area is not dispersed, and the national environmental protection requirement cannot be met. Moreover, the technology consumes more energy, and is not beneficial to enterprises to save cost. Meanwhile, as a plurality of recyclable components exist in the waste gas, the direct treatment is not beneficial to recycling, thereby causing unnecessary waste.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a waste gas treatment process generated in the waste acrylic regeneration and recovery process, which can effectively treat various waste gases generated in the waste acrylic regeneration process, reaches the national emission standard, and recycles effective components in the waste gases as cracking energy.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
a waste gas treatment process generated in a waste acrylic regeneration and recovery process comprises the following steps: feeding the waste gas discharged by the tank and the heat exchanger equipment of each procedure into an oxidizing roasting furnace for oxidizing roasting; performing dust removal and cooling operation on the oxidized and roasted flue gas, and then discharging the flue gas after reaching the standard; feeding the cracked and rectified waste gas into a condenser for condensation, and removing impurities by a filter device to recover condensate; the condensate is conveyed to a cracking process to be used as energy of a melting furnace for secondary utilization; and carrying out dust removal and cooling operation on the flue gas generated after the condensate is oxidized and roasted in the melting furnace, and then discharging the flue gas after reaching the standard.
Furthermore, the waste gas discharged from the tank and the heat exchanger in each process is extracted by a centrifugal fan and enters the oxidation roasting furnace through a ventilating duct.
Further, the oxidizing roasting furnace oxidizes and roasts the exhaust gas while externally heating.
Further, the dedusting and cooling operation is carried out in a deduster and a cooling device.
The invention has the beneficial effects that:
(1) waste gas generated by equipment such as a pipe groove, a heat exchanger and the like in each process enters the oxidizing roasting furnace, and is supplied with energy from the outside to be subjected to oxidizing roasting; (2) after dust removal and cooling treatment, the dust content and the temperature of the flue gas are reduced, so that the flue gas reaches the standard and is discharged; (3) condensing the cracked and rectified waste gas through a condenser, and removing impurities through a filter device to recover condensate; (4) the condensate is conveyed to the cracking process to be used as energy of the melting furnace for secondary utilization, so that the energy is saved; (5) after the condensed liquid enters a dust remover and a cooling device for dust removal and cooling after the smoke subjected to oxidizing roasting in the melting furnace enters, the dust content and the temperature of the smoke are reduced, and the smoke is discharged after reaching the standard; (6) the cracking and rectifying waste gas is condensed, purified, and secondarily combusted, recycled and discharged up to the standard, so that the cost of enterprises is saved, and the pollution of the waste gas to the environment is eliminated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
The waste gas treatment process generated in the waste acrylic acid regeneration and recovery process comprises the following steps:
waste gas discharged by equipment such as a tank, a heat exchanger and the like in each process enters the oxidizing roasting furnace through a ventilating pipeline, and under the condition of external heating, the waste gas is subjected to oxidizing roasting in the oxidizing roasting furnace;
the oxidized and roasted flue gas is dedusted and cooled by a deduster and a cooling device and then is discharged after reaching the standard;
condensing the cracked and rectified waste gas through a condenser, and removing impurities through a filter device to recover condensate;
the condensate is conveyed to a cracking process to be used as energy of a melting furnace for secondary utilization;
and the condensate is oxidized and roasted in the melting furnace, and the smoke enters a dust remover and a cooling device for dust removal and cooling and then is discharged after reaching the standard.
In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
When the device is used specifically, waste gas discharged by equipment such as a tank, a heat exchanger and the like in each process is extracted by a centrifugal fan, enters an oxidation furnace through a ventilating duct and is subjected to oxidation roasting; the flue gas after the oxidizing roasting is dedusted and cooled by a deduster and a cooling device, so that the dust content and temperature of the flue gas are reduced, and the flue gas is discharged after reaching the standard.
After the cracked and rectified waste gas is condensed by a condenser, impurities are removed by a filter device to recover condensate, the condensate is conveyed to a cracking process to be used as energy of a melting furnace for secondary utilization, and flue gas after oxidizing roasting of the condensate in the melting furnace enters a dust remover and a cooling device for dust removal and cooling, so that the dust content and the temperature of the flue gas are reduced, and the flue gas is discharged after reaching the standard.
In conclusion, the invention improves the waste gas purification strength, and simultaneously recycles the available effective components, thereby saving energy and protecting environment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A waste gas treatment process generated in a waste acrylic regeneration and recovery process is characterized by comprising the following steps:
feeding the waste gas discharged by the tank and the heat exchanger equipment of each procedure into an oxidizing roasting furnace for oxidizing roasting;
performing dust removal and cooling operation on the oxidized and roasted flue gas, and then discharging the flue gas after reaching the standard;
feeding the cracked and rectified waste gas into a condenser for condensation, and removing impurities by a filter device to recover condensate;
the condensate is conveyed to a cracking process to be used as energy of a melting furnace for secondary utilization;
and carrying out dust removal and cooling operation on the flue gas generated after the condensate is oxidized and roasted in the melting furnace, and then discharging the flue gas after reaching the standard.
2. The process for treating the waste gas generated in the process of recycling the waste acrylic acid as claimed in claim 1, wherein the waste gas discharged from the tank and the heat exchanger equipment of each process is extracted by a centrifugal fan and enters the oxidation roasting furnace through a ventilating duct.
3. The process for treating the waste gas generated in the process of recycling the waste acrylic acid as claimed in claim 1, wherein the oxidizing roasting furnace is used for oxidizing roasting the waste gas under the condition of external heating.
4. The process for treating the waste gas generated in the process of recycling the waste acrylic acid as claimed in claim 1, wherein the dedusting and cooling operations are performed in a deduster and a cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688608.8A CN113357654A (en) | 2021-06-22 | 2021-06-22 | Waste gas treatment process generated in waste acrylic regeneration and recovery process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688608.8A CN113357654A (en) | 2021-06-22 | 2021-06-22 | Waste gas treatment process generated in waste acrylic regeneration and recovery process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113357654A true CN113357654A (en) | 2021-09-07 |
Family
ID=77535484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110688608.8A Pending CN113357654A (en) | 2021-06-22 | 2021-06-22 | Waste gas treatment process generated in waste acrylic regeneration and recovery process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113357654A (en) |
-
2021
- 2021-06-22 CN CN202110688608.8A patent/CN113357654A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4704972A (en) | Method and apparatus for reducing acid pollutants in smoke | |
| CN103900391A (en) | Selective sintering machine flue gas heat exchange denitration system and method thereof | |
| CN110354670A (en) | A kind of boiler with tailed flue gas takes off white system and method | |
| CN110081445B (en) | Liquid dangerous waste incineration system and incineration process thereof | |
| CN212961632U (en) | High organic waste liquid who contains salt burns device | |
| CN112390451A (en) | Waste water treatment process generated in waste acrylic regeneration and recovery process | |
| CN109876623B (en) | Zero release of coal-fired steam power plant flue gas pollutant and filth recovery system | |
| CN215143281U (en) | Industrial waste salt organic matter desorption system | |
| CN212881731U (en) | Integrated organic waste gas treatment system for coupling molecular sieve adsorption and catalytic combustion | |
| CN212396331U (en) | Sludge drying tail gas treatment system | |
| CN113357654A (en) | Waste gas treatment process generated in waste acrylic regeneration and recovery process | |
| CN213288120U (en) | Near zero discharge system of soil thermal dehydration | |
| CN114877362A (en) | Organic hazardous waste pyrolysis non-condensing incineration flue gas purification system and purification method | |
| CN216457917U (en) | Tail gas purification treatment device for calcining furnace | |
| CN210595649U (en) | Special equipment for miscellaneous salt drying process | |
| CN110052111B (en) | Cleaning and purifying method for sulfur-containing tail gas | |
| CN110342719B (en) | Process and special equipment for drying mixed salt | |
| CN211302509U (en) | Sintering flue gas SCR denitration and de-whitening system | |
| CN112915731A (en) | Calcining furnace tail gas purification treatment device and process | |
| CN110926227B (en) | Smelting furnace smoke dust collecting and treating method | |
| CN113357651A (en) | Waste water treatment process generated in waste acrylic regeneration and recovery process | |
| CN110624402A (en) | Medium-low sulfur calcined petroleum coke flue gas treatment process | |
| CN212017289U (en) | High-water-content, peculiar smell-containing and VOCs flue gas treatment system | |
| CN110848699A (en) | Garbage pyrolysis incineration system | |
| CN218478624U (en) | Acrylate contains salt effluent purification unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |