CN210645193U - Be applied to high temperature flue gas and disappear white system - Google Patents
Be applied to high temperature flue gas and disappear white system Download PDFInfo
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- CN210645193U CN210645193U CN201921243593.9U CN201921243593U CN210645193U CN 210645193 U CN210645193 U CN 210645193U CN 201921243593 U CN201921243593 U CN 201921243593U CN 210645193 U CN210645193 U CN 210645193U
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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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Abstract
The utility model discloses a white system for eliminating high-temperature flue gas, which comprises an RECO dust removing tower, wherein the RECO dust removing tower is connected with a flue gas cooling system through a pipeline; the flue gas cooling system passes through the pipe connection and sprays the regulating tower, and the regulation tower that sprays communicates with each other with the flue gas reheater through pipeline and draught fan, and the flue gas rethread pipeline after removing dust through the RECO gas wash tower lets in flue gas cooling system, realizes first step cooling, and the flue gas lets in the regulation tower that sprays through the pipeline afterwards, realizes the second step cooling, utilizes the draught fan to pass through the flue gas reheater with the flue gas, realizes rising temperature, carries out fume emission. The utility model discloses not only synthesize the advantage of condensation technique and intensification technique, improved the efficiency that disappears, solved the high temperature flue gas and produced white plume scheduling problem, and strengthened flue gas waste heat recovery and utilized, circulating water comprehensive utilization, guaranteed equipment system safety, move steadily.
Description
Technical Field
The utility model belongs to the technical field of eliminate white plume, a be applied to high temperature flue gas and disappear white system is related to.
Background
In recent years, due to the fact that industrial waste gas, automobile exhaust and the like are discharged in a large quantity, the appearance of haze weather in China is increasingly frequent, inconvenience is brought to life of people, and the wide attention of the society is attracted. Under the condition, the smoke plume phenomenon in industrial production generates serious visual pollution, and has serious influence on the surrounding environment and the life of residents. In response to this phenomenon, governments actively set atmospheric pollutant emission standards, and require elimination of gypsum rain, colored smoke plume, and the like by taking smoke temperature control and other effective measures. The emission temperature and the moisture content of the flue gas are reduced by adopting corresponding technologies, the moisture in supersaturated water vapor in the flue gas is collected, and the emission of condensable particles such as soluble salt, sulfuric acid mist, organic matters and the like in the flue gas is reduced.
Conventional plants produce a large amount of flue gas with high temperature and high moisture content during actual production. The fume is discharged out of order by factories, which does not meet the environmental protection requirement, and the discharge indexes of various pollutants are stricter along with the increasing severity of the environmental protection situation, so that a measure for controlling the white fume is urgently needed. From the present situation, the common flue gas heating technology is limited by the original flue gas temperature condition, and the flue gas condensation technology is limited by the ambient air, the water temperature and the like, and is limited by the field condition too much. Therefore, in order to reach the emission standard, meet the field requirement and control the white smoke plume, a new scheme is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to high temperature flue gas and disappear white system, the advantage of condensation technique and intensification technique has not only been synthesized to this system, has improved the efficiency that disappears, has solved the high temperature flue gas and has produced white plume scheduling problem, and has strengthened flue gas waste heat recovery and has utilized, circulating water comprehensive utilization, has guaranteed equipment system safety, has moved steadily.
The purpose of the utility model can be realized by the following technical scheme:
a high-temperature flue gas whitening removal system comprises an RECO dust removal tower, wherein the RECO dust removal tower is connected with a flue gas cooling system through a pipeline, the bottom of the RECO dust removal tower is directly connected with a dust removal water tank through the pipeline, the dust removal water tank is connected to the upper part of the RECO dust removal tower through the pipeline and a first circulating pump, circulating water is introduced into the RECO dust removal tower from the dust removal water tank through the first circulating pump, the high-temperature flue gas entering the RECO dust removal tower is sprayed, the dust removal effect is achieved, and the sprayed circulating water flows back to the dust removal water tank from the bottom of the RECO dust removal tower through the;
the flue gas cooling system passes through the pipe connection and sprays the regulating tower, and the regulation tower that sprays communicates with each other with the flue gas reheater through pipeline and draught fan, and the flue gas rethread pipeline after removing dust through the RECO gas wash tower lets in flue gas cooling system, realizes first step cooling, and the flue gas lets in the regulation tower that sprays through the pipeline afterwards, realizes the second step cooling, utilizes the draught fan to pass through the flue gas reheater with the flue gas, realizes rising temperature, carries out fume emission.
Further, flue gas cooling system contains two flue gas coolers, the dust removal water tank passes through the pipeline and the second circulating pump links to each other with flue gas cooler, simultaneously flue gas cooling system bottom is passed through the pipeline and is connected with the dust removal water tank, during the comdenstion water in the dust removal water tank was gone into flue gas cooler through the second circulating pump, the realization was to flue gas cooler's spraying, the water after spraying flowed back to the dust removal water tank in flue gas cooling system bottom, formed the return circuit of circulating water, reached the preliminary cooling process to the flue gas.
Furthermore, the dust removal water tank is connected with the adjusting and cooling system through a pipeline to provide circulating water for the adjusting and cooling system; the adjusting and cooling system is connected with the upper part of the spray adjusting tower through a pipeline and a third circulating pump, the bottom of the spray adjusting tower is directly connected to the adjusting and cooling system through a pipeline, circulating water in the adjusting and cooling system reaches the spray adjusting tower through the pipeline and the third circulating pump to cool flue gas for the second time, and then the circulating water returns to the adjusting and cooling system again from the bottom of the spray adjusting tower through the pipeline.
Furthermore, the flue gas cooler is connected with a cooling tower buffer water tank through a pipeline and a fourth circulating pump, meanwhile, the flue gas cooler is connected with an air cooling tower through a pipeline, the air cooling tower is connected with a phase change heat exchange pool through a pipeline, and the phase change heat exchange pool is connected with the cooling tower buffer water tank through a pipeline; the circulating water passes through the pipeline from cooling tower surge tank and gets into the gas cooler, carries out first cooling to the flue gas and handles, and the circulating water passes through the pipeline afterwards and gets into the forced air cooling tower and cool down, passes through the further cooling of phase transition heat exchange pond, flows into cooling tower surge tank at last.
Furthermore, the flue gas cooler is connected with the reheating buffer water tank through a pipeline and a fifth circulating pump, meanwhile, the flue gas cooler is connected with a flue gas reheater through a pipeline, and the flue gas reheater is connected with the reheating buffer water tank through a pipeline; during the circulating water passed through pipeline and fifth circulating pump input flue gas cooler from reheat surge tank, the realization was to the cooling of flue gas, and the circulating water passes through pipeline transport to the flue gas reheater afterwards, realizes reheating the flue gas, and the heat source that the flue gas heaied up derives from the heat of cooling in-process recovery, does not need the external energy, and the last circulating water gets back to reheat surge tank again.
The utility model has the advantages that:
1. the utility model discloses not only synthesize the advantage of condensation technique and intensification technique, improved the efficiency that disappears, solved the high temperature flue gas and produced white plume scheduling problem, and strengthened flue gas waste heat recovery and utilized, circulating water comprehensive utilization, guaranteed equipment system safety, move steadily.
2. The utility model discloses the flue gas gets into the RECO gas wash tower through the flue that admits air and removes dust and tentatively cool down, utilize the flue gas cooler to cool down, rethread sprays the regulating tower and carries out the secondary cooling, introduce the flue gas reheater through the draught fan afterwards and carry out the flue gas and reheat, finally draw the flue gas by flue gas reheater opposite side draught fan, reach high temperature flue gas and disappear white standard, thereby discharge, realize the effect of environmental protection, simultaneously in flue gas heating process, the heat source that the flue gas heaied up derives from the heat of cooling in-process recovery, do not need the external energy, thermal rational utilization has been realized, and save the cost.
3. The utility model discloses between flue gas cooling in-process RECO gas wash tower and dust removal water tank, between flue gas cooling system and the dust removal water tank, spray the recycle that all forms the circulating water between regulating tower and the regulation cooling system, not only can realize the cooling, can save the water resource simultaneously, save the cost.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the high-temperature flue gas whitening system of the present invention.
Detailed Description
A system applied to high-temperature flue gas whitening elimination is shown in figure 1 and comprises an RECO dust removal tower 1, wherein the RECO dust removal tower 1 is connected with a flue gas cooling system 2 through a pipeline, the flue gas cooling system 2 is connected with a spray adjusting tower 6 through a pipeline, and the spray adjusting tower 6 is communicated with a flue gas reheater 7 through a pipeline and an induced draft fan 13; the high-temperature flue gas enters an RECO dust removal tower 1 for dust removal treatment, and then is introduced into a flue gas cooling system 2 through a pipeline to realize first-step temperature reduction (the temperature of the flue gas is reduced by 15-35 ℃ relative to the temperature of an inlet), then the flue gas is introduced into a spray adjusting tower 6 through a pipeline to realize second-step temperature reduction (the temperature is reduced by 15-35 ℃ relative to the temperature of the inlet of the spray adjusting tower 6), the flue gas passes through a flue gas reheater 7 through an induced draft fan 13 to realize temperature rise (the temperature is increased by 20-40 ℃ relative to the temperature of the outlet of the spray adjusting tower 6), so that the;
a plurality of fixed cyclone dust removal devices are installed in the RECO dust removal tower 1 according to the amount of system flue gas, the flue gas collects dust through the RECO dust removal tower 1, and the dust collection rate can be controlled to be 80-98%; the bottom of the RECO dust removal tower 1 is directly connected with a dust removal water tank 9 through a pipeline, the dust removal water tank 9 is connected to the upper part of the RECO dust removal tower 1 through a pipeline and a first circulating pump 12, circulating water is introduced into the RECO dust removal tower 1 from the dust removal water tank 9 through the first circulating pump 12 to spray flue gas to achieve a primary dust removal effect, and the sprayed circulating water flows back to the dust removal water tank 9 from the bottom of the RECO dust removal tower 1 through the pipeline to form a loop;
the flue gas cooling system 2 comprises two flue gas coolers 3, a dust removal water tank 9 is connected with the flue gas coolers 3 through a pipeline and a second circulating pump 16, the bottom of the flue gas cooling system 2 is connected with the dust removal water tank 9 through a pipeline, condensed water in the dust removal water tank 9 is pumped into the flue gas coolers 3 through the second circulating pump 16, the flue gas coolers 3 are sprayed, the sprayed water flows back into the dust removal water tank 9 through the bottom of the flue gas cooling system 2, a circulating water loop is formed, and the primary cooling process of flue gas is achieved;
the dust removal water tank 9 is connected with the adjusting and cooling system 8 through a pipeline and provides circulating water for the adjusting and cooling system 8; the adjusting and cooling system 8 is connected with the upper part of the spray adjusting tower 6 through a pipeline and a third circulating pump 14, meanwhile, the bottom of the spray adjusting tower 6 is directly connected to the adjusting and cooling system 8 through a pipeline, circulating water in the adjusting and cooling system 8 reaches the spray adjusting tower 6 through a pipeline and the third circulating pump 14 to carry out secondary cooling on flue gas, and then the circulating water returns to the adjusting and cooling system 8 again from the bottom of the spray adjusting tower 6 through a pipeline;
the flue gas cooler 3 is connected with the cooling tower buffer water tank 10 through a pipeline and a fourth circulating pump 15, meanwhile, the flue gas cooler 3 is connected with the air cooling tower 4 through a pipeline, the air cooling tower 4 is connected with the phase change heat exchange pool 5 through a pipeline, and the phase change heat exchange pool 5 is connected with the cooling tower buffer water tank 10 through a pipeline; circulating water enters the flue gas cooler 3 from the cooling tower buffer water tank 10 through a pipeline, primary cooling treatment is carried out on the flue gas, then the circulating water enters the air cooling tower 4 through the pipeline to be cooled (the temperature is reduced by 10-35 ℃ relative to the inlet temperature), and the circulating water is further cooled (the temperature is reduced by 5-15 ℃ relative to the inlet temperature) through the phase change heat exchange pool 5 and finally flows into the cooling tower buffer water tank 10;
the flue gas cooler 3 is connected with the reheating buffer water tank 11 through a pipeline and a fifth circulating pump 17, meanwhile, the flue gas cooler 3 is connected with the flue gas reheater 7 through a pipeline, and the flue gas reheater 7 is connected with the reheating buffer water tank 11 through a pipeline; during the circulating water passed through pipeline and fifth circulating pump 17 input flue gas cooler 3 from reheat buffer tank 11, the realization was to the cooling of flue gas, and the circulating water passes through pipeline transport to flue gas reheater 7 afterwards, realizes reheating the flue gas, and the heat source that the flue gas heaied up derives from the heat of cooling in-process recovery, does not need the external energy, and last circulating water gets back to reheat buffer tank 11 again.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The system is characterized by comprising an RECO dust removal tower (1), wherein the RECO dust removal tower (1) is connected with a flue gas cooling system (2) through a pipeline, the bottom of the RECO dust removal tower (1) is directly connected with a dust removal water tank (9) through a pipeline, and the dust removal water tank (9) is connected to the upper part of the RECO dust removal tower (1) through a pipeline and a first circulating pump (12);
the flue gas cooling system (2) is connected with the spray adjusting tower (6) through a pipeline, and the spray adjusting tower (6) is communicated with the flue gas reheater (7) through a pipeline and an induced draft fan (13).
2. The system for eliminating white smoke in high temperature flue gas according to claim 1, wherein the flue gas cooling system (2) comprises two flue gas coolers (3), the dust removing water tank (9) is connected with the flue gas coolers (3) through a pipeline and a second circulating pump (16), and the bottom of the flue gas cooling system (2) is connected with the dust removing water tank (9) through a pipeline.
3. The system for eliminating white smoke in high temperature according to claim 1, wherein the dedusting water tank (9) is connected with the adjusting and cooling system (8) through a pipeline, the adjusting and cooling system (8) is connected with the upper part of the spray adjusting tower (6) through a pipeline and a third circulating pump (14), and the bottom of the spray adjusting tower (6) is directly connected with the adjusting and cooling system (8) through a pipeline.
4. The system for eliminating white smoke in high temperature flue gas according to claim 2, wherein the flue gas cooler (3) is connected with the cooling tower buffer water tank (10) through a pipeline and a fourth circulating pump (15), meanwhile, the flue gas cooler (3) is connected with the air cooling tower (4) through a pipeline, the air cooling tower (4) is connected with the phase change heat exchange pool (5) through a pipeline, and the phase change heat exchange pool (5) is connected with the cooling tower buffer water tank (10) through a pipeline.
5. The system for high-temperature flue gas whitening reduction according to claim 2, wherein the flue gas cooler (3) is connected with the reheating buffer water tank (11) through a pipeline and a fifth circulating pump (17), meanwhile, the flue gas cooler (3) is connected with the flue gas reheater (7) through a pipeline, and the flue gas reheater (7) is connected with the reheating buffer water tank (11) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921243593.9U CN210645193U (en) | 2019-08-02 | 2019-08-02 | Be applied to high temperature flue gas and disappear white system |
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| CN201921243593.9U CN210645193U (en) | 2019-08-02 | 2019-08-02 | Be applied to high temperature flue gas and disappear white system |
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| CN210645193U true CN210645193U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815333A (en) * | 2021-01-15 | 2021-05-18 | 天津大学 | Two-stage spraying temperature return pretreatment system for fat-rich combustion waste gas |
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2019
- 2019-08-02 CN CN201921243593.9U patent/CN210645193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815333A (en) * | 2021-01-15 | 2021-05-18 | 天津大学 | Two-stage spraying temperature return pretreatment system for fat-rich combustion waste gas |
| CN112815333B (en) * | 2021-01-15 | 2022-08-02 | 天津大学 | Two-stage spraying temperature return pretreatment system for fat-rich combustion waste gas |
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