CN202630746U - Flue gas waste heat recycling device - Google Patents

Flue gas waste heat recycling device Download PDF

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Publication number
CN202630746U
CN202630746U CN 201120435890 CN201120435890U CN202630746U CN 202630746 U CN202630746 U CN 202630746U CN 201120435890 CN201120435890 CN 201120435890 CN 201120435890 U CN201120435890 U CN 201120435890U CN 202630746 U CN202630746 U CN 202630746U
Authority
CN
China
Prior art keywords
heat exchanger
pipe
communicated
water inlet
gas
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.)
Expired - Fee Related
Application number
CN 201120435890
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Chinese (zh)
Inventor
白勇
王人杰
汪浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keda Industrial Co Ltd
Original Assignee
MA'ANSHAN KEDA CLEAN ENERGY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MA'ANSHAN KEDA CLEAN ENERGY CO Ltd filed Critical MA'ANSHAN KEDA CLEAN ENERGY CO Ltd
Priority to CN 201120435890 priority Critical patent/CN202630746U/en
Application granted granted Critical
Publication of CN202630746U publication Critical patent/CN202630746U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a flue gas waste heat recycling device comprising a water inlet pipe, a water outlet pipe, a gas inlet pipe, a gas outlet pipe, and more than two heat exchangers. The water inlet pipe is provided with an inlet port, and the water outlet pipe is provided with an outlet port. The gas inlet pipe is provided with a flue gas inlet port, and the gas outlet pipe is provided with a flue gas outlet port. Each of the heat exchangers is constituted by a housing and a heat exchanging tube disposed in the housing. Each of the housings is provided with a gas inlet opening, a gas outlet opening, a water inlet opening and a water outlet opening, besides, the water inlet opening and the water outlet opening are communicated with the heat exchanging pipe. The gas inlet openings and the gas outlet openings are respectively communicated with an inner side of the housing. Each of the water inlet openings is communicated with the same water inlet pipe, and each of the water outlet openings is communicated with the same outlet pipe. Each of the gas inlet openings is communicated with same gas inlet pipe, and each of the gas outlet openings is communicated with the same gas outlet pipe. The gas inlet openings, the gas outlet openings, the water inlet openings, and the water outlet openings are respectively provided with a valve. Because the heat exchangers are in a parallel connection, and four openings of each of the heat exchangers are respectively provided with the valve for the control of start and stop. The valves can be used to switch the start and the stop of the heat exchangers regularly, one of the heat exchangers constantly in a stop standby state can be provided, therefore the online cleaning function of the heat exchangers can be realized.

Description

Flue gas waste heat recovery apparatus
Technical field
The utility model relates to a kind of gas waste-heat reutilization technology, relates in particular to a kind of flue gas waste heat recovery apparatus.
Background technology
Along with China's rapid economic development; Energy resource consumption increases day by day; The problem that the urban atmosphere quality goes from bad to worse is outstanding all the more; Energy-conservation " the 5th energy " that has become after coal, electric power, oil and natural gas, energy-saving and emission-reduction are long-range strategy and policy of China's economy and social development, also are very urgent task.Recovery waste heat cuts down the consumption of energy China is realized that energy-saving and emission-reduction, environmental protection development strategy have important practical significance.Energy consumption height, the high one of the main reasons of pollution are exactly fume emission aspect thermal power, and smoking problem is the direct pollution of flue gas pollutant on the one hand, is exactly that exhaust gas temperature is too high on the other hand, influences environment temperature.
The flue gas waste heat recovery technology is meant that reducing exhaust gas temperature recovers energy, and reduces and collect solid matter in the flue gas behind the exhaust gas temperature and to the processing again of flue gas.In the process of flue gas temperature drop, the material that has undergoes phase transition (can be converted into 600 ℃ the time solid-state like gaseous oxidation zinc) attached to internal system under different temperature.In existing flue gas waste heat recovery technology, adopt usually heat exchanger is connected in series in the pipeline, heat exchanger is made up of housing and the heat exchanger tube that is located in the housing usually; Housing is provided with air inlet, gas outlet, water inlet and delivery port; Air inlet and gas outlet are communicated with enclosure interior respectively; Water inlet and delivery port are communicated with heat exchanger tube respectively; As shown in Figure 1; Connecting side by side with three heat exchangers is that example describes, and the water inlet 51 of first heat exchanger 50 connects water inlet pipe 1, air inlet 53 connects air inlet pipe 3, delivery port 52 through the water inlet 61 of second heat exchanger 60 of outlet pipe 2 connections, gas outlet 54 connects second heat exchanger 60 through escape pipe 4 air inlet 63; The delivery port 62 of second heat exchanger 60 connects the water inlet 71 of the 3rd heat exchanger 70 through outlet pipe 2; The gas outlet 64 of second heat exchanger 60 connects 73, the three heat exchangers 70 of air inlet of the 3rd heat exchanger 70 through escape pipe 4 delivery port 72 connects outlet pipe 2, gas outlet 74 connects escape pipe 4.This kind connected mode needs under system's halted state, just can carry out cleaning work, has influenced the normal operation of system; So general the employing blown straightforward procedure ash disposal such as ash, rapping, ultrasonic wave, these class methods only can be handled dry no bonding dust, and the material that condenses in the heat exchanger inwall for above-mentioned phase transition process then can't be cleared up, the heat transfer effect of the system that can influence of going down for a long time.
The utility model content
The utility model provides a kind of flue gas waste heat recovery apparatus, in order to solve defective of the prior art, under system running state, accomplishes the thorough cleaning of heat exchanging device.
The utility model provides a kind of flue gas waste heat recovery apparatus, comprises water inlet pipe, outlet pipe, air inlet pipe, escape pipe and plural heat exchanger, and said heat exchanger is made up of housing and the heat exchanger tube that is located in the said housing; Said housing is provided with air inlet, gas outlet, water inlet and delivery port; Said air inlet and gas outlet are communicated with said enclosure interior respectively; Said water inlet and delivery port are communicated with heat exchanger tube respectively; The water inlet of each said heat exchanger is communicated with same water inlet pipe respectively; The delivery port of each said heat exchanger is communicated with same outlet pipe respectively; The air inlet of each said heat exchanger is communicated with same air inlet pipe respectively, and the gas outlet of each said heat exchanger is communicated with same escape pipe respectively; Said air inlet, gas outlet, water inlet and delivery port are equipped with valve.
Wherein, the water inlet of each said heat exchanger and delivery port are located at said case top respectively, and the air inlet of each said heat exchanger is located at said housing top one side, and said gas outlet is located at said housing bottom.
Further, said case top is fixedly connected the suspension ring that are useful on lifting.
Particularly, said heat exchanger tube takes the shape of the letter U.
The flue gas waste heat recovery apparatus that the utility model provides feeds high-temperature flue gas in air inlet pipe, high-temperature flue gas is in air inlet gets into the housing of heat exchanger; Feed cooling water to water inlet pipe simultaneously, cooling water is in water inlet gets into the heat exchanger tube of heat exchanger; Cooling water in the heat exchanger tube and the high-temperature flue gas in the housing carry out heat exchange after delivery port gets into the outlet pipe discharge; The cooling water of high-temperature flue gas in enclosure interior and heat exchanger tube carries out that temperature reduces after the heat exchange, after the gas outlet enter escape pipe and discharge at last; Partial material in the high-temperature flue gas undergoes phase transition in the temperature drop process and condenses in the heat exchanger shell inwall; Because heat exchanger is connected in parallel to each other, four mouths of every heat exchanger all have valve control start and stop, and the start and stop of regularly switching heat exchanger through valve are to guarantee that having a heat exchanger to be in the system all the time stops armed state, to realize the Hand scarf function of heat exchanger.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 prior art constructions sketch map;
Fig. 2 is the structural representation of the utility model embodiment;
Fig. 3 is the structural representation of heat exchanger in the utility model.
Reference numeral:
The 1-water inlet pipe; The 2-outlet pipe; The 3-air inlet pipe;
The 4-escape pipe; The 5-heat exchanger; The 6-housing;
The 7-heat exchanger tube; The 8-valve; The 9-suspension ring;
The 51-water inlet; The 52-delivery port; The 53-air inlet;
The 54-gas outlet.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of flue gas waste heat recovery apparatus; Like Fig. 2, shown in 3; This retracting device comprises water inlet pipe 1, outlet pipe 2, air inlet pipe 3, escape pipe 4 and plural heat exchanger 5, and heat exchanger 5 is made up of housing 6 and the heat exchanger tube 7 that is located in the housing 6; Housing 6 is provided with water inlet 51, delivery port 52, air inlet 53 and gas outlet 54; Air inlet 53 is communicated with housing 6 inside respectively with gas outlet 54; Water inlet 51 is communicated with heat exchanger tube 7 respectively with delivery port 52, and water inlet 51 is communicated with water inlet pipe 1 respectively, and delivery port 52 is communicated with outlet pipe 2 respectively, and air inlet 53 is communicated with air inlet pipe 3 respectively, and gas outlet 54 is communicated with escape pipe 4 respectively; Water inlet 51, delivery port 52, air inlet 53 and gas outlet 54 are equipped with valve 8.
The retracting device of said structure feeds high-temperature flue gas in air inlet pipe 3, high-temperature flue gas gets in the housing 6 of heat exchanger 5 through air inlet 53; Feed cooling water to water inlet pipe 1 simultaneously, cooling water gets in the heat exchanger tube 7 of heat exchanger tube 5 through water inlet 51; High-temperature flue gas in cooling water in the heat exchanger tube 7 and the housing 6 carries out heat exchange after delivery port 52 gets into outlet pipe 2 discharges; High-temperature flue gas housing 6 inner with heat exchanger tube 7 in cooling water carry out heat exchange after the temperature reduction, after gas outlet 54 enter escape pipe 4 and discharge at last; Partial material in the high-temperature flue gas undergoes phase transition in the temperature drop process and condenses in heat exchanger 5 housings 6 inwalls; Owing to be connected in parallel to each other between the heat exchanger 5; All there are valve 8 control start and stop the water inlet 51 of every heat exchanger 5, delivery port 52, air inlet 53 and gas outlet 54; Regularly switch the start and stop of every heat exchanger 5 through valve 8; To guarantee that having a heat exchanger 5 to be in the system all the time stops armed state, to realize the Hand scarf function of heat exchanger 5.
As the preferred implementation of the foregoing description, heat exchanger tube 7 takes the shape of the letter U, and is as shown in Figure 3, and the U-shaped heat exchange tube structure is simple, and the linear heat exchanger tube heat exchange efficiency of relative equivalent amount is higher; For the high-temperature flue gas that makes enclosure interior can fully contact and make things convenient for being connected between valve 8 and the pipeline with the cooling water in the heat exchanger tube; Water inlet 51 and delivery port 52 are located at housing 6 tops respectively; Air inlet 53 is located at housing 6 tops one side, gas outlet 54 is located at housing 6 bottoms.In addition, housing 6 tops are fixedly connected the suspension ring 9 that are useful on lifting, pass through this suspension ring 9 mounting heat exchangers to make things convenient for suspender.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.

Claims (4)

1. a flue gas waste heat recovery apparatus comprises water inlet pipe, outlet pipe, air inlet pipe, escape pipe and plural heat exchanger, and said heat exchanger is made up of housing and the heat exchanger tube that is located in the said housing; Said housing is provided with air inlet, gas outlet, water inlet and delivery port; Said air inlet and gas outlet are communicated with said enclosure interior respectively; Said water inlet and delivery port are communicated with said heat exchanger tube respectively; It is characterized in that; The water inlet of each said heat exchanger is communicated with same water inlet pipe respectively; The delivery port of each said heat exchanger is communicated with same outlet pipe respectively, and the air inlet of each said heat exchanger is communicated with same air inlet pipe respectively, and each said heat exchanger gas outlet is communicated with same escape pipe respectively; Said air inlet, gas outlet, water inlet and delivery port place are equipped with valve.
2. flue gas waste heat recovery apparatus according to claim 1; It is characterized in that; The water inlet of each said heat exchanger and delivery port are located at said case top respectively, and the air inlet of each said heat exchanger is located at said housing top one side, and said gas outlet is located at said housing bottom.
3. flue gas waste heat recovery apparatus according to claim 1 and 2 is characterized in that, said case top is fixedly connected the suspension ring that are useful on lifting.
4. flue gas waste heat recovery apparatus according to claim 3 is characterized in that said heat exchanger tube takes the shape of the letter U.
CN 201120435890 2011-11-07 2011-11-07 Flue gas waste heat recycling device Expired - Fee Related CN202630746U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120435890 CN202630746U (en) 2011-11-07 2011-11-07 Flue gas waste heat recycling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120435890 CN202630746U (en) 2011-11-07 2011-11-07 Flue gas waste heat recycling device

Publications (1)

Publication Number Publication Date
CN202630746U true CN202630746U (en) 2012-12-26

Family

ID=47383939

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120435890 Expired - Fee Related CN202630746U (en) 2011-11-07 2011-11-07 Flue gas waste heat recycling device

Country Status (1)

Country Link
CN (1) CN202630746U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937858A (en) * 2016-06-21 2016-09-14 郭建 Combination-type flue gas waste heat recycle device
CN111853844A (en) * 2020-07-03 2020-10-30 安徽南都华铂新材料科技有限公司 Waste heat recycling device and using method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937858A (en) * 2016-06-21 2016-09-14 郭建 Combination-type flue gas waste heat recycle device
CN111853844A (en) * 2020-07-03 2020-10-30 安徽南都华铂新材料科技有限公司 Waste heat recycling device and using method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: KEDA CLEAN ENERGY (MA'ANSHAN) CO., LTD.

Free format text: FORMER NAME: MA'ANSHAN KEDA CLEAN ENERGY CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 243041 Anhui city in Ma'anshan province north of the revitalization of economic and Technological Development Zone, Road No. 555

Patentee after: KEDA INDUSTRIAL CO., LTD.

Address before: 243041 Anhui city in Ma'anshan province north of the revitalization of economic and Technological Development Zone, Road No. 555

Patentee before: Ma'anshan Keda Clean Energy Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121226

Termination date: 20171107

CF01 Termination of patent right due to non-payment of annual fee