CN111637752A - Coke oven flue gas dry desulfurization denitration purifies integration system - Google Patents
Coke oven flue gas dry desulfurization denitration purifies integration system Download PDFInfo
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- CN111637752A CN111637752A CN202010341500.7A CN202010341500A CN111637752A CN 111637752 A CN111637752 A CN 111637752A CN 202010341500 A CN202010341500 A CN 202010341500A CN 111637752 A CN111637752 A CN 111637752A
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- heat energy
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- flue gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a coke oven flue gas dry desulfurization, denitrification and purification integrated system which comprises a desulfurization tower, wherein the desulfurization tower is communicated with a primary heat energy recovery assembly; the secondary heat energy recovery assembly is communicated with an SCR (selective catalytic reduction) desulfurization assembly, and the SCR denitration assembly; the SCR denitration assembly is communicated with a smoke exhaust chimney; the primary heat energy recovery assembly comprises a left smoke plate and a right smoke plate which are arranged at the left side and the right side at intervals; and a plurality of heat energy recovery components are communicated between the left smoke plate and the right smoke plate and are used for recovering heat energy of the coke oven smoke. By adopting the device parts, heat energy can be effectively recovered, and after the temperature of high-temperature flue gas is remarkably reduced, the phenomena of 'white smoke' or 'gypsum rain' and the like can be effectively avoided.
Description
Technical Field
The invention relates to the field of flue gas desulfurization and denitrification devices, in particular to a coke oven flue gas dry desulfurization, denitrification and purification integrated system.
Background
The flue gas desulfurization and denitration process is widely applied to the emission control of the flue gas oxysulfide of coal-fired thermal power plants. The sulfur oxides discharged into the atmosphere are reduced after the high-temperature flue gas generated by burning the coal is subjected to desulfurization treatment. In the prior art, a desulfurizing tower is mostly adopted for desulfurization treatment, and sulfur oxides in the flue gas treated by the desulfurizing tower are obviously reduced.
Based on the wide application of flue gas desulfurization and denitration technology, the technical improvement of flue gas desulfurization and denitration is mostly disclosed, for example, the Chinese patent application number is as follows: 201910000834.5, discloses a "dry desulfurization denitration purification integrated process for coke oven flue gas". The process is described as follows: the coke oven flue gas firstly enters a dechlorination reactor to remove chlorine, fluorine and part of smoke dust in the raw materials, then enters a desulfurization and denitrification reactor to further remove impurities in the raw materials, and after purification, the SOx is less than 10mg/m3, and the NOX content is less than 50mg/m 3. The process can simultaneously remove sulfides, nitrides, fluorine, chlorine, dioxin and the like, and has the characteristics of wide impurity removal range, high removal precision, simple flow, small pressure drop and temperature drop, less investment and low operation cost.
However, the high-temperature flue gas after the desulfurization treatment is discharged into the atmosphere, and the flue gas has a high temperature and a high humidity, and is very likely to be discharged into the atmosphere through a chimney to cause a phenomenon such as "white smoke" or "gypsum rain". The reason for this is that high temperature flue gas humidity is big, the temperature is high, and simultaneously, does not relate to corresponding heat recovery unit among the desulfurization that prior art disclosed, the denitration process equipment and cause, and the flue gas temperature of emission is too high, produces above-mentioned phenomenon such as "white cigarette" or "gypsum rain", simultaneously, causes the waste of the energy.
Disclosure of Invention
The invention aims to solve the technical problem of providing a dry desulfurization, denitrification and purification integrated system for coke oven flue gas.
The invention solves the technical problems through the following technical scheme:
a coke oven flue gas dry desulfurization, denitrification and purification integrated system comprises a desulfurization tower, wherein the desulfurization tower is communicated with a primary heat energy recovery assembly, and the primary heat energy recovery assembly is communicated with a secondary heat energy recovery assembly;
the secondary heat energy recovery assembly is communicated with an SCR (selective catalytic reduction) desulfurization assembly, and the SCR denitration assembly;
the SCR denitration assembly is communicated with a smoke exhaust chimney;
the coke oven flue gas is desulfurized through a desulfurizing tower, then is introduced into a primary heat energy recovery assembly for primary heat energy recovery, is subjected to secondary heat energy recovery through a secondary heat energy recovery assembly after being subjected to primary heat energy recovery, and is discharged from a smoke exhaust chimney after being desulfurized and denitrated through an SCR desulfurization assembly and an SCR denitration assembly in sequence after being subjected to secondary heat energy recovery;
the primary heat energy recovery assembly comprises a left smoke plate and a right smoke plate which are arranged at the left side and the right side at intervals;
the left flue gas plate and the right flue gas plate are both provided with flue gas cavities, and the left flue gas plate is communicated to the desulfurizing tower; the right smoke plate is communicated with the secondary heat energy recovery assembly;
a plurality of heat energy recovery parts are communicated between the left smoke plate and the right smoke plate, each heat energy recovery part comprises a heat energy recovery column communicated between the left smoke plate and the right smoke plate, and a plurality of heat energy recovery channels are formed in each heat energy recovery column;
the heat energy recovery part also comprises a jacket column fixedly connected to the heat energy recovery column, a jacket cavity is formed in the jacket column, the heat energy recovery column is positioned in the jacket cavity, the left end and the right end of the heat energy recovery column are positioned outside the jacket cavity, and the heat energy recovery column and the jacket column are arranged in a sealing manner;
the adjacent jacket columns are communicated through a plurality of through pipes;
the first-stage heat energy recovery assembly is communicated with a water inlet pipe, the second-stage heat energy recovery assembly is communicated with a water outlet pipe, and the first-stage heat energy recovery assembly and the second-stage heat energy recovery assembly are communicated through a communicating pipe.
As an optimization of the structure of the invention, the secondary heat energy recovery assembly has the same structure as the primary heat energy recovery assembly;
the jacket column on the secondary heat energy recovery assembly is communicated with the jacket column on the primary heat energy recovery assembly through a communicating pipe.
As an optimization of the structure of the invention, the water inlet pipe is communicated with the bottom of the jacket column at the lower end part of the primary heat energy recovery assembly;
the water outlet pipe is communicated with the top of the jacket column at the upper end of the secondary heat recovery assembly.
As an optimization of the structure of the invention, the left smoke plate on the primary heat energy recovery assembly is communicated with a smoke inlet pipeline;
and the right smoke plate on the secondary heat energy recovery assembly is communicated with a smoke outlet pipeline.
As an optimization of the structure of the invention, the right smoke plate on the first-stage heat energy recovery assembly is communicated with the left smoke plate on the second-stage heat energy recovery assembly through a vent pipe.
As an optimization of the structure of the invention, the vent pipe is communicated between the bottoms of the right smoke plate and the left smoke plate.
As an optimization of the structure of the invention, the smoke inlet pipeline and the smoke outlet pipeline are both provided with flanges.
As an optimization of the structure of the invention, the heat energy recovery column is made of red copper.
As an optimization of the structure of the invention, the longitudinal section of the heat energy recovery channel is rectangular.
Compared with the prior art, the invention has the following beneficial effects:
through designing one-level heat recovery subassembly, second grade heat recovery subassembly and realizing twice heat recovery, improve heat recovery efficiency. Through with one-level heat recovery subassembly, second grade heat recovery subassembly design into left flue gas board and the right flue gas board that left and right both sides interval set up, intercommunication has a plurality of heat recovery part between left flue gas board and the right flue gas board, specifically adopt heat recovery part including the intercommunication heat recovery post between left flue gas board and right flue gas board, seted up a plurality of heat recovery passageway on the heat recovery post, heat recovery part still includes the jacket post of fixed connection on heat recovery post, one-level heat recovery subassembly intercommunication has the inlet tube, the intercommunication has the outlet pipe on the second grade heat recovery subassembly, through communicating pipe intercommunication, realize following heat recovery process:
at first the desulfurizing tower discharges the flue gas to the left flue gas board on the one-level heat recovery subassembly, at this moment, flue gas reposition of redundant personnel in the left flue gas board enters into every heat recovery part, reposition of redundant personnel heat recovery, particularly, high temperature flue gas enters into in the heat recovery post, reposition of redundant personnel enters into every heat recovery passageway once more, at this moment, cold water enters into the jacket post of tip position from the inlet tube to in the jacket post of tip position down, cold water lets in the jacket post of top position from bottom to top, and enter into in the jacket post on the second grade heat recovery subassembly through communicating pipe.
Because the heat energy recovery column is immersed in the cold water, the heat energy recovery column with excellent heat dissipation performance conducts heat with the cold water, and the heat energy is recovered. Due to the adoption of the heat energy recovery column designed in the heat energy recovery channel, the total heat conduction area is remarkably increased, and the heat energy conduction can be efficiently carried out. Meanwhile, after the heat energy is recovered by the first-stage heat energy recovery assembly, the heat energy is recovered by the second-stage heat energy recovery assembly, so that the energy utilization is obviously improved.
By adopting the device parts, heat energy can be effectively recovered, and after the temperature of high-temperature flue gas is remarkably reduced, the phenomena of 'white smoke' or 'gypsum rain' and the like can be effectively avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic diagram of a process flow structure of a coke oven flue gas dry desulfurization, denitrification and purification integrated system in an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a primary thermal energy recovery assembly and a secondary thermal energy recovery assembly in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of another view of the embodiment of FIG. 2;
FIG. 4 is a schematic structural view of a thermal energy recovery unit according to an embodiment of the present invention;
FIG. 5 is a front view of the embodiment of the present invention in FIG. 2;
fig. 6 is a top view of the embodiment of the present invention shown in fig. 2.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1-6, a coke oven flue gas dry desulfurization, denitrification and purification integrated system comprises a desulfurization tower 1, wherein the desulfurization tower 1 is communicated with a primary heat energy recovery assembly 2, and the primary heat energy recovery assembly 2 is communicated with a secondary heat energy recovery assembly 3.
Through the flue gas of desulfurizing tower 1 desorption, realize twice heat recovery through one-level heat recovery subassembly 2, second grade heat recovery subassembly 3.
Meanwhile, the secondary heat energy recovery assembly 3 is communicated with an SCR desulfurization assembly 4 and an SCR denitration assembly 5. The flue gas is desulfurized and denitrated through the SCR desulfurization component 4 and the SCR denitration component 5 respectively. The flue gas after desulfurization and denitration treatment is discharged from the position of the smoke exhaust chimney 6 (the secondary heat energy recovery component 3 is communicated with the smoke exhaust chimney 6). Specifically, the coke oven flue gas is desulfurized through a desulfurizing tower 1, then is introduced into a primary heat energy recovery assembly 2 for primary heat energy recovery, is subjected to secondary heat energy recovery through a secondary heat energy recovery assembly 3 after being subjected to primary heat energy recovery, and is discharged from a smoke exhaust chimney 6 after being subjected to desulfurization and denitration sequentially through an SCR desulfurization assembly 4 and an SCR denitration assembly 5 after being subjected to secondary heat energy recovery.
Above-mentioned second grade heat recovery subassembly 3 is the same with one-level heat recovery subassembly 2's structure, specifically, second grade heat recovery subassembly 3 all includes following structure with one-level heat recovery subassembly 2:
the second-stage heat energy recovery component 3 and the first-stage heat energy recovery component 2 both comprise a left smoke plate 22 and a right smoke plate 23 which are arranged at intervals on the left side and the right side. Flue gas cavities are formed in the left flue gas plate 22 and the right flue gas plate 23, and the left flue gas plate 22 is communicated to the desulfurizing tower 1; the right smoke plate 23 is communicated with the secondary heat energy recovery assembly 3.
The functional components for realizing heat energy recovery are as follows: the left smoke plate 22 and the right smoke plate 23 are communicated with each other to form a plurality of heat energy recovery parts 21, each heat energy recovery part 21 comprises a heat energy recovery column 212 communicated between the left smoke plate 22 and the right smoke plate 23, and a plurality of heat energy recovery channels 2121 are formed in the heat energy recovery columns 212 (the heat energy recovery columns 212 are made of red copper, and the longitudinal sections of the heat energy recovery channels 2121 are rectangular).
The heat energy recovery part 21 further comprises a jacket column 211 fixedly connected to the heat energy recovery column 212, a jacket cavity is arranged in the jacket column 211, the heat energy recovery column 212 is located in the jacket cavity, the left end and the right end of the heat energy recovery column 212 are located outside the jacket cavity, and the heat energy recovery column 212 and the jacket column 211 are arranged in a sealing mode. Meanwhile, the adjacent jacket columns 211 are communicated through a plurality of through pipes A.
The above-mentioned one-level heat energy recovery subassembly 2 intercommunication has inlet tube 213, the intercommunication has the outlet pipe on the second grade heat energy recovery subassembly 3, communicate through communicating pipe 24 between one-level heat energy recovery subassembly 2 and the second grade heat energy recovery subassembly 3. Specifically, the jacket column 211 on the secondary thermal energy recovery assembly 3 is communicated with the jacket column 211 on the primary thermal energy recovery assembly 2 through the communication pipe 24. The water inlet pipe 213 is communicated with the bottom of the jacket column 211 at the lower end position of the primary heat recovery assembly 2; the water outlet pipe is communicated with the top of the jacket column 211 at the upper end of the secondary heat recovery assembly 3.
Meanwhile, the left smoke plate 22 on the first-stage heat energy recovery assembly 2 is communicated with a smoke inlet pipeline 221; the right smoke plate 23 on the secondary heat energy recovery component 3 is communicated with a smoke outlet pipeline 31. The smoke inlet pipe 221 is communicated to the smoke outlet end of the desulfurizing tower 1, and the smoke outlet pipe 31 is communicated to the smoke inlet end of the SCR desulfurization component 4. Flanges are respectively arranged on the smoke inlet pipeline 221 and the smoke outlet pipeline 31.
The mode of communicating the second-stage heat energy recovery assembly 3 on the first-stage heat energy recovery assembly 2 is as follows:
the right flue gas plate 23 on the first-stage heat energy recovery assembly 2 is communicated with the left flue gas plate 22 on the second-stage heat energy recovery assembly 3 through a vent pipe 25. The ventilation pipe 25 communicates between the bottom of the right smoke panel 23 and the left smoke panel 22.
The SCR desulfurization module 4 and the SCR denitration module 5 are SCR catalyst components for desulfurization and denitration conventionally disclosed in the prior art, and the main framework thereof includes a housing, and an SCR desulfurization catalyst and an SCR denitration catalyst assembled in the housing.
The specific working process of the device components is as follows:
firstly, the desulfurizing tower 1 discharges the flue gas to the left flue gas plate 22 on the primary heat energy recovery component 2, at the moment, the flue gas in the left flue gas plate 22 is shunted and enters each heat energy recovery part 21 to perform shunted heat energy recovery, specifically, the high-temperature flue gas enters the heat energy recovery column 212 and is shunted again and enters each heat energy recovery channel 2121, at the moment, cold water enters the jacket column 211 at the lower end position from the water inlet pipe 213, the cold water is introduced into the jacket column 211 at the top position from bottom to top, and the cold water enters the jacket column 211 on the secondary heat energy recovery component 3 through the communicating pipe 24.
Since the heat recovery column 212 is immersed in the cold water, heat is conducted between the heat recovery column 212 having excellent heat dissipation performance and the cold water, and heat is recovered. Since the heat recovery column 212 designed in the heat recovery passage 2121 is used, the total area of heat conduction is significantly increased, and heat conduction can be efficiently performed. Meanwhile, after the heat energy is recovered by the first-stage heat energy recovery assembly 2, the heat energy is recovered by the second-stage heat energy recovery assembly 3, so that the energy utilization is obviously improved.
The device has the advantages of component design:
through designing one-level heat recovery subassembly 2, second grade heat recovery subassembly 3 and realizing twice heat recovery, improve heat recovery efficiency. Through with one-level heat recovery subassembly 2, second grade heat recovery subassembly 3 designs into a left side, left flue gas board 22 and right flue gas board 23 that the interval of right side both sides set up, the intercommunication has a plurality of heat recovery part 21 between left flue gas board 22 and the right flue gas board 23, specifically adopt heat recovery part 21 to include that the intercommunication is at heat recovery post 212 between left flue gas board 22 and right flue gas board 23, seted up a plurality of heat recovery passageway 2121 on the heat recovery post 212, heat recovery part 21 still includes the jacket post 211 of fixed connection on heat recovery post 212, one-level heat recovery subassembly 2 intercommunication has inlet tube 213 the intercommunication has the outlet pipe on second grade heat recovery subassembly 3, through communicating pipe 24 intercommunication, realize following heat recovery process:
firstly, the desulfurizing tower 1 discharges the flue gas to the left flue gas plate 22 on the primary heat energy recovery component 2, at the moment, the flue gas in the left flue gas plate 22 is shunted and enters each heat energy recovery part 21 to perform shunted heat energy recovery, specifically, the high-temperature flue gas enters the heat energy recovery column 212 and is shunted again and enters each heat energy recovery channel 2121, at the moment, cold water enters the jacket column 211 at the lower end position from the water inlet pipe 213, the cold water is introduced into the jacket column 211 at the top position from bottom to top, and the cold water enters the jacket column 211 on the secondary heat energy recovery component 3 through the communicating pipe 24.
Since the heat recovery column 212 is immersed in the cold water, heat is conducted between the heat recovery column 212 having excellent heat dissipation performance and the cold water, and heat is recovered. Since the heat recovery column 212 designed in the heat recovery passage 2121 is used, the total area of heat conduction is significantly increased, and heat conduction can be efficiently performed. Meanwhile, after the heat energy is recovered by the first-stage heat energy recovery assembly 2, the heat energy is recovered by the second-stage heat energy recovery assembly 3, so that the energy utilization is obviously improved.
By adopting the device parts, heat energy can be effectively recovered, and after the temperature of high-temperature flue gas is remarkably reduced, the phenomena of 'white smoke' or 'gypsum rain' and the like can be effectively avoided.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The coke oven flue gas dry desulfurization, denitrification and purification integrated system is characterized by comprising a desulfurization tower, wherein the desulfurization tower is communicated with a primary heat energy recovery assembly;
the secondary heat energy recovery assembly is communicated with an SCR (selective catalytic reduction) desulfurization assembly, and the SCR denitration assembly;
the SCR denitration assembly is communicated with a smoke exhaust chimney;
the coke oven flue gas is desulfurized through a desulfurizing tower, then is introduced into a primary heat energy recovery assembly for primary heat energy recovery, is subjected to secondary heat energy recovery through a secondary heat energy recovery assembly after being subjected to primary heat energy recovery, and is discharged from a smoke exhaust chimney after being desulfurized and denitrated through an SCR desulfurization assembly and an SCR denitration assembly in sequence after being subjected to secondary heat energy recovery;
the primary heat energy recovery assembly comprises a left smoke plate and a right smoke plate which are arranged at the left side and the right side at intervals;
the left flue gas plate and the right flue gas plate are both provided with flue gas cavities, and the left flue gas plate is communicated to the desulfurizing tower; the right smoke plate is communicated with the secondary heat energy recovery assembly;
a plurality of heat energy recovery parts are communicated between the left smoke plate and the right smoke plate, each heat energy recovery part comprises a heat energy recovery column communicated between the left smoke plate and the right smoke plate, and a plurality of heat energy recovery channels are formed in each heat energy recovery column;
the heat energy recovery part also comprises a jacket column fixedly connected to the heat energy recovery column, a jacket cavity is formed in the jacket column, the heat energy recovery column is positioned in the jacket cavity, the left end and the right end of the heat energy recovery column are positioned outside the jacket cavity, and the heat energy recovery column and the jacket column are arranged in a sealing manner;
the adjacent jacket columns are communicated through a plurality of through pipes;
the first-stage heat energy recovery assembly is communicated with a water inlet pipe, the second-stage heat energy recovery assembly is communicated with a water outlet pipe, and the first-stage heat energy recovery assembly and the second-stage heat energy recovery assembly are communicated through a communicating pipe.
2. The coke oven flue gas dry desulfurization, denitrification and purification integrated system as recited in claim 1, wherein the secondary heat recovery assembly is the same in structure as the primary heat recovery assembly;
the jacket column on the secondary heat energy recovery assembly is communicated with the jacket column on the primary heat energy recovery assembly through a communicating pipe.
3. The integrated system for dry desulfurization, denitrification and purification of coke oven flue gas of claim 2, wherein the water inlet pipe is communicated with the bottom of the jacket column at the lower end of the primary heat recovery assembly;
the water outlet pipe is communicated with the top of the jacket column at the upper end of the secondary heat recovery assembly.
4. The coke oven flue gas dry desulfurization, denitrification and purification integrated system as recited in claim 2, wherein the left flue gas plate on the primary heat recovery assembly is communicated with a flue gas inlet pipe;
and the right smoke plate on the secondary heat energy recovery assembly is communicated with a smoke outlet pipeline.
5. The integrated system for dry desulfurization, denitrification and purification of coke oven flue gas of claim 4, wherein the right flue gas panel on the primary heat recovery assembly is communicated with the left flue gas panel on the secondary heat recovery assembly through a vent pipe.
6. The coke oven flue gas dry desulfurization, denitrification and purification integrated system as claimed in claim 5, wherein the vent pipe is communicated between the bottoms of the right flue gas plate and the left flue gas plate.
7. The integrated system for dry desulfurization, denitrification and purification of coke oven flue gas of claim 6, wherein flanges are respectively assembled on the gas inlet pipeline and the gas outlet pipeline.
8. The integrated system for dry desulfurization, denitrification and purification of coke oven flue gas of claim 7, wherein the heat energy recovery column is made of red copper.
9. The coke oven flue gas dry desulfurization, denitrification and purification integrated system as recited in claim 8, wherein the longitudinal cross-sectional shape of the heat recovery channel is rectangular.
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| CN202010341500.7A CN111637752A (en) | 2020-04-27 | 2020-04-27 | Coke oven flue gas dry desulfurization denitration purifies integration system |
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| CN202010341500.7A CN111637752A (en) | 2020-04-27 | 2020-04-27 | Coke oven flue gas dry desulfurization denitration purifies integration system |
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| CN102095205A (en) * | 2010-12-29 | 2011-06-15 | 西安交通大学 | Dedusting and desulfurization synergistic comprehensive energy-saving and emission-reducing device based on flue gas cooling |
| CN105944564A (en) * | 2016-06-01 | 2016-09-21 | 中冶京诚工程技术有限公司 | Coke oven flue gas waste heat recycling, desulfuration and denitration integrated system and method |
| CN106595042A (en) * | 2016-12-14 | 2017-04-26 | 顾马飞 | High-power water purifying type biomass hot-water boiler device |
| CN206701058U (en) * | 2017-05-04 | 2017-12-05 | 无锡市东方环境工程设计研究所有限公司 | A kind of waste heat of coke-oven flue gas and desulphurization denitration dust pelletizing system |
| CN208082183U (en) * | 2018-03-12 | 2018-11-13 | 杭州双良中荷环保科技有限公司 | A kind of kiln gas minimum discharge controlling device |
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2020
- 2020-04-27 CN CN202010341500.7A patent/CN111637752A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095205A (en) * | 2010-12-29 | 2011-06-15 | 西安交通大学 | Dedusting and desulfurization synergistic comprehensive energy-saving and emission-reducing device based on flue gas cooling |
| CN105944564A (en) * | 2016-06-01 | 2016-09-21 | 中冶京诚工程技术有限公司 | Coke oven flue gas waste heat recycling, desulfuration and denitration integrated system and method |
| CN106595042A (en) * | 2016-12-14 | 2017-04-26 | 顾马飞 | High-power water purifying type biomass hot-water boiler device |
| CN206701058U (en) * | 2017-05-04 | 2017-12-05 | 无锡市东方环境工程设计研究所有限公司 | A kind of waste heat of coke-oven flue gas and desulphurization denitration dust pelletizing system |
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