CN215259859U - Waste liquid and waste gas burning and smoke treatment device - Google Patents
Waste liquid and waste gas burning and smoke treatment device Download PDFInfo
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- CN215259859U CN215259859U CN202121104151.3U CN202121104151U CN215259859U CN 215259859 U CN215259859 U CN 215259859U CN 202121104151 U CN202121104151 U CN 202121104151U CN 215259859 U CN215259859 U CN 215259859U
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- flue gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model provides a waste liquid, waste gas burn and flue gas processing apparatus, one set of device can realize the minimizing, resourceization, the innocent treatment of waste liquid, waste gas, operation low cost. The utility model comprises a burner, an incinerator, a waste heat boiler, an SNCR denitration device, a slaked lime injection device, a bag type dust collector, an SCR denitration device, a heat recovery device, an induced draft fan, an ammonia desulphurization device and a chimney; the burner is arranged on the incinerator; the flue gas outlet of the incinerator is connected with the flue gas inlet of the waste heat boiler; the SNCR denitration device is arranged in the waste heat boiler; the flue gas outlet of the waste heat boiler is connected with the inlet of the bag type dust collector through a flue, and a slaked lime injection device is arranged on the flue; bag collector export and SCR denitrification facility access connection, SCR denitrification facility export and heat recovery device access connection, heat recovery device export and draught fan access connection, draught fan export and ammonia process desulphurization unit access connection, ammonia process desulphurization unit export and chimney connection.
Description
Technical Field
The utility model relates to a waste liquid, waste gas burn and flue gas processing apparatus, waste liquid, waste gas burn the waste heat recovery and the purification treatment of back flue gas in the mainly used petrochemical industry.
Background
The proportion of the petroleum and chemical industries accounting for GDP is about 13%, the petroleum and chemical industries are the prop industries of China economy, and a large amount of waste liquid and waste gas are generated in the production process. With the continuous development of national economy and the ecological civilization construction of the country, the regulation on the pollutant discharge is more and more strict. The waste liquid and waste gas generated in the production process must be treated in a harmless way. The waste liquid and waste gas incineration technology is used as the most thorough technology of reduction, resource and harmless treatment and is applied in large scale.
High-temperature flue gas generated after waste liquid and waste gas are burnt contains a large amount of heat and pollutants, and can be discharged into the atmosphere only after the high-temperature flue gas reaches national and local emission standards through heat recovery and flue gas purification treatment. At present, waste liquid and waste gas often need two sets of devices to go on separately, have increased the running cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a waste liquid, waste gas incineration and flue gas processing apparatus that structural design is reasonable, one set of device can realize minimizing, resourceization, innocent treatment, the running cost is cheap of waste liquid, waste gas.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a waste liquid, waste gas burn and flue gas processing apparatus which characterized in that: the system comprises a combustor, an incinerator, a waste heat boiler, an SNCR (selective non catalytic reduction) denitration device, a slaked lime injection device, a bag type dust collector, an SCR (selective catalytic reduction) denitration device, a heat recovery device, an induced draft fan, an ammonia desulfurization device and a chimney; the burner is arranged on the incinerator; the flue gas outlet of the incinerator is connected with the flue gas inlet of the waste heat boiler; the SNCR denitration device is arranged in the waste heat boiler; the flue gas outlet of the waste heat boiler is connected with the inlet of the bag type dust collector through a flue, and a slaked lime injection device is arranged on the flue; the outlet of the bag type dust collector is connected with the inlet of the SCR denitration device, the outlet of the SCR denitration device is connected with the inlet of the heat recovery device, the outlet of the heat recovery device is connected with the inlet of the draught fan, the outlet of the draught fan is connected with the inlet of the ammonia desulphurization device, and the outlet of the ammonia desulphurization device is connected with the chimney.
The incinerator is a vertical incinerator.
The burner of the utility model is arranged at the top of the incinerator.
The waste heat boiler of the utility model is a membrane wall waste heat boiler.
SNCR denitrification facility set up in exhaust-heat boiler's first passageway.
The bag type dust collector is a high-temperature metal bag type dust collector.
Compared with the prior art, the utility model, have following advantage and effect: the utility model can ensure the full decomposition of harmful components in the waste liquid and the waste gas; by adopting the ammonia desulphurization process, the product after desulphurization recovery is the fertilizer ammonium sulfate, and compared with the traditional semi-dry desulphurization process, the method reduces the discharge amount of waste solids and reduces the discharge amount of waste water compared with the alkaline desulphurization process. Therefore, compare with traditional handicraft, the utility model discloses not only can high-efficient treatment waste liquid, waste gas, also very big reduction the discharge of useless solid and waste water to realize the low-cost processing of waste liquid, waste gas.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
The embodiment of the utility model provides an including combustor 1, burn burning furnace 2, exhaust-heat boiler 3, SNCR denitrification facility 4, slaked lime injection apparatus 5, bag collector 6, SCR denitrification facility 7, heat recovery device 8, draught fan 9, ammonia process desulphurization unit 10 and chimney 11.
The incinerator 2 is a vertical incinerator.
The burner 1 is installed on the top of the incineration furnace 2.
The flue gas outlet of the incinerator 2 is connected with the flue gas inlet of the waste heat boiler 3.
The SNCR denitration device 4 is provided in the first passage of the waste heat boiler 3.
The flue gas outlet of the waste heat boiler 3 is connected with the inlet of the bag type dust collector 6 through a flue, and a slaked lime injection device 5 is arranged on the flue. The exhaust-heat boiler 3 is a membrane wall exhaust-heat boiler.
The outlet of the bag type dust collector 6 is connected with the inlet of the SCR denitration device 7, the outlet of the SCR denitration device 7 is connected with the inlet of the heat recovery device 8, the outlet of the heat recovery device 8 is connected with the inlet of the induced draft fan 9, the outlet of the induced draft fan 9 is connected with the inlet of the ammonia desulphurization device 10, and the outlet of the ammonia desulphurization device 10 is connected with the chimney 11. The bag type dust collector 6 is a high-temperature metal bag type dust collector, and compared with the traditional bag type dust collector, the maintenance amount and the operation cost are reduced;
the process flow of the utility model is as follows:
1) firstly, raising the temperature of a hearth of the incinerator 2 to 1000 ℃, and then sending the waste gas into the incinerator 2 for incineration;
2) atomizing the industrial waste liquid by a spray gun and then spraying the industrial waste liquid into an incinerator 2 for incineration, wherein the outlet temperature of the incinerator 2 is controlled to be about 1150 ℃;
3) the flue gas at the outlet of the incinerator 2 is subjected to heat recovery by the waste heat boiler 3 to generate steam, and NOx in the flue gas is primarily removed by the SNCR denitration device 4 in the first channel of the waste heat boiler 3;
4) flue gas at the outlet of the waste heat boiler 3 enters a bag type dust collector 6 for dust removal, and slaked lime is sprayed into a flue between the waste heat boiler 3 and the bag type dust collector 6 through a slaked lime spraying device 5 and is used for desulfurizing partial acid gas in the flue gas and adjusting the characteristics of dust;
5) the flue gas at the outlet of the bag type dust collector 6 passes through the SCR denitration device 4 to remove NOx in the flue gas;
6) a heat recovery device 8 arranged behind the SCR denitration device 4 further improves the heat recovery efficiency;
7) the flue gas after dust removal and denitration enters an ammonia desulphurization system 10, and finally the flue gas which is treated and discharged up to the standard is discharged into the atmosphere through a chimney 11;
8) the ammonium sulfate solution after ammonia desulphurization can be recovered to prepare the fertilizer ammonium sulfate.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a waste liquid, waste gas burn and flue gas processing apparatus which characterized in that: the system comprises a combustor, an incinerator, a waste heat boiler, an SNCR (selective non catalytic reduction) denitration device, a slaked lime injection device, a bag type dust collector, an SCR (selective catalytic reduction) denitration device, a heat recovery device, an induced draft fan, an ammonia desulfurization device and a chimney; the burner is arranged on the incinerator; the flue gas outlet of the incinerator is connected with the flue gas inlet of the waste heat boiler; the SNCR denitration device is arranged in the waste heat boiler; the flue gas outlet of the waste heat boiler is connected with the inlet of the bag type dust collector through a flue, and a slaked lime injection device is arranged on the flue; the outlet of the bag type dust collector is connected with the inlet of the SCR denitration device, the outlet of the SCR denitration device is connected with the inlet of the heat recovery device, the outlet of the heat recovery device is connected with the inlet of the draught fan, the outlet of the draught fan is connected with the inlet of the ammonia desulphurization device, and the outlet of the ammonia desulphurization device is connected with the chimney.
2. The waste liquid, waste gas incineration and flue gas treatment device according to claim 1, wherein: the incinerator is a vertical incinerator.
3. The waste liquid, waste gas incineration and flue gas treatment device according to claim 1, wherein: the burner is installed on the top of the incinerator.
4. The waste liquid, waste gas incineration and flue gas treatment device according to claim 1, wherein: the waste heat boiler is a membrane wall waste heat boiler.
5. The waste liquid, waste gas incineration and flue gas treatment device according to claim 1, wherein: the SNCR denitration device is arranged in a first channel of the waste heat boiler.
6. The waste liquid, waste gas incineration and flue gas treatment device according to claim 1, wherein: the bag type dust collector is a high-temperature metal bag type dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121104151.3U CN215259859U (en) | 2021-05-21 | 2021-05-21 | Waste liquid and waste gas burning and smoke treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121104151.3U CN215259859U (en) | 2021-05-21 | 2021-05-21 | Waste liquid and waste gas burning and smoke treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215259859U true CN215259859U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121104151.3U Active CN215259859U (en) | 2021-05-21 | 2021-05-21 | Waste liquid and waste gas burning and smoke treatment device |
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| Country | Link |
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| CN (1) | CN215259859U (en) |
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2021
- 2021-05-21 CN CN202121104151.3U patent/CN215259859U/en active Active
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