CN105972628A - Chimney waste heat recycling system - Google Patents

Chimney waste heat recycling system Download PDF

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Publication number
CN105972628A
CN105972628A CN201610360524.0A CN201610360524A CN105972628A CN 105972628 A CN105972628 A CN 105972628A CN 201610360524 A CN201610360524 A CN 201610360524A CN 105972628 A CN105972628 A CN 105972628A
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CN
China
Prior art keywords
heat
pipe
smoke
waste
flue 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.)
Granted
Application number
CN201610360524.0A
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Chinese (zh)
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CN105972628B (en
Inventor
韩金豹
徐书建
徐建生
陈大飞
韩风雨
王俊杰
常喜涛
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Xuchang Dongfang Thermal Co Ltd
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Xuchang Dongfang Thermal Co Ltd
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Priority to CN201610360524.0A priority Critical patent/CN105972628B/en
Publication of CN105972628A publication Critical patent/CN105972628A/en
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Publication of CN105972628B publication Critical patent/CN105972628B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/08Arrangements of devices for treating smoke or fumes of heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/10Intercepting solids by filters

Abstract

The invention discloses a chimney waste heat recycling system which comprises a chimney body, a smoke buffer tank, a first water tank, a second water tank, a waste heat recycling device and a heat exchanger. The top of the chimney body communicates with the smoke buffer tank. The top of the smoke buffer tank communicates with a smoke inlet pipe. A smoke filter is arranged on the smoke inlet pipe. The end, away from the smoke buffer tank, of the smoke inlet pipe communicates with a smoke exhaust pipe arranged in the waste heat recycling device. According to the chimney waste heat recycling system, the effect of recycling heat of chimney waste gas is achieved; through the arrangement of the smoke buffer tank, a buffering effect is achieved when heat in the smoke is recycled, the situation that heat recycling is insufficient due to the fact that the smoke flow speed is too high is avoided, and the heat recycling rate is increased; and through the arrangement of a buffer rod, the buffering effect can be achieved through the buffer rod when a buffer plate is under pressure, and a good smoke buffering effect is improved through the cooperation of upper sleeves, lower sleeves, damping springs and connecting columns.

Description

A kind of chimney waste heat recovery system
Technical field
The present invention relates to heat power equipment technical field, be specially a kind of chimney waste heat recovery system.
Background technology
Energy-conservation is not only social responsibility with environmental protection for enterprise; fuel cost expenditure can also be saved; increase economic efficiency; enhance one's market competitiveness; compare with developed country; China's industrial equipment falls behind; energy utilization rate is low; such as industries such as chemical industry, building materials, weaving, machinery, automobile, metallurgy, power, papermaking, food, electronics, the most substantial amounts of available heat energy directly empties, and not only wastes the energy but also pollute environment; if the heat energy recycle that this part is wasted; just can improve energy utilization rate, reduce production cost, protection ring.
In existing heat power station, heating plant; how to utilize the waste heat of discharge gas; become the important topic of energy-saving and emission-reduction protection environment; at present; the enterprises such as cigar mill, steam power plant, chemical plant or steel mill the most all can produce substantial amounts of high-temperature flue gas, and this type of flue gas mainly comprises: the steam used by technique baking, steaming;The waste heat tail gas after supercooling such as combustion furnace, these flue gases carry substantial amounts of heat energy, if directly discharging from chimney, not only result in thermal pollution, aggravation greenhouse effect, and dispersed heat will also result in wasting of resource therewith, so being current urgent problem for the heat recovery in flue gas.
Summary of the invention
It is an object of the invention to provide a kind of chimney waste heat recovery system, with the problem solving to propose in above-mentioned background technology.
nullFor achieving the above object,The present invention provides following technical scheme: a kind of chimney waste heat recovery system,Including chimney body、Flue gas baffle-box、First water tank、Second water tank、Waste-heat recoverer and heat exchanger,The top of described chimney body is communicated with flue gas baffle-box,The top of described flue gas baffle-box is communicated with smoke-intake pipe,Described smoke-intake pipe is provided with smoke filter,Described smoke-intake pipe connects with the scattered smoke pipe being located within waste-heat recoverer away from one end of flue gas baffle-box,The bottom of described scattered smoke pipe is provided with flue gas shower nozzle,The inside of described waste-heat recoverer is provided with pole,Described pole is upper around being provided with heat pipe,One end of described heat pipe connects the first water inlet pipe,The other end of described heat pipe is communicated with the second water inlet pipe,The other end of described first water inlet pipe runs through waste-heat recoverer and connects with the first water tank,The inside of described first water tank is provided with the first water pump,The water inlet of described first water pump and the connection of the first water inlet pipe.
The intracavity bottom of described waste-heat recoverer is provided with lower carrier plate, the top of described lower carrier plate is provided with buffer spring, the top of described buffer spring is fixedly connected with upper supporting plate, described second water inlet pipe runs through waste-heat recoverer away from one end of heat pipe and connects with heat exchanger, the inside of described heat exchanger is provided with heat exchanger tube, the two ends of described heat exchanger tube connect the 3rd water inlet pipe and outlet pipe respectively, the outlet connection of the second water pump arranged in the other end of described 3rd water inlet pipe and the second water tank, described outlet pipe extends to the outside of heat exchanger away from one end of heat exchanger tube, the bottom of described heat exchanger is communicated with return pipe, and return pipe away from heat exchanger one end connect have the 3rd water pump, the water inlet of described 3rd water pump is connected by pipeline and the first water tank.
Preferably, the both sides inwall of described flue gas baffle-box is connected with buffer board, is connected by buffer bar is fixing between described buffer board with flue gas baffle-box inwall.
Preferably, described buffer bar includes upper bush and lower sleeve, by connecting post connection between described upper bush and lower sleeve, around being provided with damping spring on described connection post, one end of described damping spring is fixing with upper bush to be connected, and the other end of damping spring is fixed with lower sleeve and is connected.
Preferably, the top of described upper bush is fixing with the inwall of flue gas baffle-box to be connected, and the bottom of described lower sleeve is fixing with buffer board to be connected.
Preferably, described smoke filter pressure be 2bar, 6bar, 10bar, 16bar, 25bar, 40bar one of them.
Preferably, described first water inlet pipe, the second water inlet pipe, outlet pipe and return pipe it is provided with valve, and the model of valve, size are identical with function.
Preferably, described heat pipe is spiral heat pipe.
Preferably, the bottom side of described waste-heat recoverer is communicated with smoke discharge pipe.
Compared with prior art, the invention has the beneficial effects as follows:
(1), this chimney waste heat recovery system, having reached the heat recovery effect to chimney exhaust gas, the setting of flue gas baffle-box, when to heat recovery in flue gas, serve the effect of buffering, avoid the excessive problem causing heat recovery insufficient of flue gas flow rate, improve heat recovery rate, the setting of buffer bar, when buffer board is under pressure, buffer bar can buffer, and under the cooperation of upper bush, lower sleeve, damping spring and connection post, improves and flue gas buffers good effect;
(2), this chimney waste heat recovery system, the setting of smoke filter, the harmful substance in flue gas can be adsorbed, it is to avoid flue gas directly discharges the thermal pollution caused, and protects that people's is healthy;
(3), this chimney waste heat recovery system, the setting of waste-heat recoverer, flue gas is entered by smoke-intake pipe and dissipates in smoke pipe, and under the effect of heat pipe, heat pipe absorbs heat, and the first water pump in the first water tank heats toward water delivery in heat pipe, having reached the Absorption to heat energy, the setting of lower carrier plate, buffer spring and upper supporting plate, when flue gas enters in waste-heat recoverer, flue gas can be rebounded, it is ensured that heat energy is fully absorbed;
(4), this chimney waste heat recovery system, the improvement of heat exchanger, improve the exchange effect to heat energy, water in second water tank enters through the second water pump and enters the 3rd water inlet pipe, the water collecting heat in waste-heat recoverer is coordinated to carry out heat exchange, enter the place needing to use from outlet pipe, reached the effect of Waste Heat Recovery, improve the utilization rate of the energy;
(5), this chimney waste heat recovery system, the setting of the 3rd water pump, water exchanged for heat exchanger interior-heat can be sent back to the first water tank again, improve the utilization rate of water.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is the structural representation of flue gas baffle-box of the present invention.
Fig. 3 is the structural representation of buffer bar of the present invention.
Fig. 4 is the structural representation of waste-heat recoverer of the present invention.
Fig. 5 is the structural representation of present heat exchanger.
In figure: 1 chimney body, 2 flue gas baffle-boxs, 3 first water tanks, 4 second water tanks, 5 waste-heat recoverers, 6 heat exchangers, 7 smoke-intake pipes, 8 smoke filters, 9 dissipate smoke pipe, 10 flue gas shower nozzles, 11 poles, 12 heat pipes, 13 first water inlet pipes, 14 second water inlet pipes, 15 first water pumps, 16 lower carrier plates, 17 buffer springs, 18 upper supporting plates, 19 heat exchanger tubes, 20 the 3rd water inlet pipes, 21 outlet pipes, 22 second water pumps, 23 return pipes, 24 the 3rd water pumps, 25 buffer bars, 251 upper bushes, 252 lower sleeves, 253 damping springs, 254 connect post.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is only a part of embodiment of the present invention; rather than whole embodiments; based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
nullRefer to Fig. 1-5,The present invention provides a kind of technical scheme: a kind of chimney waste heat recovery system,Including chimney body 1、Flue gas baffle-box 2、First water tank 3、Second water tank 4、Waste-heat recoverer 5 and heat exchanger 6,The top of chimney body 1 is communicated with flue gas baffle-box 2,Chimney body 1 is positioned at and connects with body of heater,Body of heater is facilitated to discharge fume,The both sides inwall of flue gas baffle-box 2 is connected with buffer board,Buffer board is used for buffering the admission velocity of flue gas,Angle is left between buffer board and flue gas baffle-box 2 inwall,Angle is 30 degree,And be connected by buffer bar 25 is fixing between buffer board with flue gas baffle-box 2 inwall,The angle of buffer bar buffering is between 30 degree and 40 degree,Buffer bar 25 includes upper bush 251 and lower sleeve 252,Connected by connection post 254 between upper bush 251 and lower sleeve 252,Connect on post 254 around being provided with damping spring 253,Damping spring 253 plays the effect of damping,One end of damping spring 253 is fixing with upper bush 251 to be connected,And the other end of damping spring 253 and lower sleeve 252 is fixing is connected,The top of upper bush 251 is fixing with the inwall of flue gas baffle-box 2 to be connected,The bottom of lower sleeve 252 is fixing with buffer board to be connected,The top of flue gas baffle-box 2 is communicated with smoke-intake pipe 7,Smoke-intake pipe 7 is provided with smoke filter 8,Smoke filter 8 pressure is 2bar、6bar、10bar、16bar、25bar、40bar one of them,Smoke-intake pipe 7 connects with the scattered smoke pipe 9 being located within waste-heat recoverer 5 away from one end of flue gas baffle-box 2,The bottom side of waste-heat recoverer 5 is communicated with smoke discharge pipe,The flue gas that heat recovery is crossed by smoke discharge pipe is discharged,The bottom dissipating smoke pipe 9 is provided with flue gas shower nozzle 10,Dissipate smoke pipe 9 to be used for disperseing flue gas,It is easy to spray from flue gas shower nozzle 10,The inside of waste-heat recoverer 5 is provided with pole 11,Around being provided with heat pipe 12 on pole 11,Heat pipe 12 is spiral heat pipe,Spiral heat pipe is easy to the absorption of heat,Increase the contact area with flue gas,One end of heat pipe 12 connects the first water inlet pipe 13,The other end of heat pipe 12 is communicated with the second water inlet pipe 14,The other end of the first water inlet pipe 13 runs through waste-heat recoverer 5 and connects with the first water tank 3,The inside of the first water tank 3 is provided with the first water pump 15,Water inlet and first water inlet pipe 13 of the first water pump 15 connect,First water inlet pipe 13、Second water inlet pipe 14、It is provided with valve on outlet pipe 21 and return pipe 23,And the model of valve、Size is identical with function.
nullThe intracavity bottom of waste-heat recoverer 5 is provided with lower carrier plate 16,The top of lower carrier plate 16 is provided with buffer spring 17,The top of buffer spring 17 is fixedly connected with upper supporting plate 18,Second water inlet pipe 14 runs through waste-heat recoverer 5 away from one end of heat pipe 12 and connects with heat exchanger 6,The inside of heat exchanger 6 is provided with heat exchanger tube 19,The two ends of heat exchanger tube 19 connect the 3rd water inlet pipe 20 and outlet pipe 21 respectively,The outlet connection of the second water pump 22 arranged in the other end of the 3rd water inlet pipe 20 and the second water tank 4,Outlet pipe 21 extends to the outside of heat exchanger 6 away from one end of heat exchanger tube 19,The bottom of heat exchanger 6 is communicated with return pipe 23,And return pipe 23 away from heat exchanger 6 one end connect have the 3rd water pump 24,The setting of the 3rd water pump 24,Can again send water exchanged for heat exchanger 6 interior-heat back to first water tank 3,Improve the utilization rate of water,The water inlet of the 3rd water pump 24 is connected by pipeline and the first water tank 3.
The setting of flue gas baffle-box 2, when to heat recovery in flue gas, serve the effect of buffering, avoid the excessive problem causing heat recovery insufficient of flue gas flow rate, improve heat recovery rate, the setting of buffer bar 25, when buffer board is under pressure, buffer bar 25 can buffer, and under the cooperation of upper bush 251, lower sleeve 252, damping spring 253 and connection post 254, improves and flue gas buffers good effect.
The setting of smoke filter 8, can adsorb the harmful substance in flue gas, it is to avoid flue gas directly discharges the thermal pollution caused, and protects that people's is healthy.
The setting of waste-heat recoverer 5, flue gas is entered by smoke-intake pipe 7 and dissipates in smoke pipe 9, under the effect of heat pipe 12, heat pipe 12 absorbs heat, and the first water pump 15 in the first water tank 3 heats toward water delivery in heat pipe 12, has reached the Absorption to heat energy, lower carrier plate 16, buffer spring 17 and the setting of upper supporting plate 18, when flue gas enters in waste-heat recoverer 5, flue gas can be rebounded, it is ensured that heat energy is fully absorbed.
The improvement of heat exchanger 6, improve the exchange effect to heat energy, water in second water tank 4 enters through the second water pump 22 and enters the 3rd water inlet pipe 20, the water collecting heat in waste-heat recoverer 5 is coordinated to carry out heat exchange, the place needing to use is entered from outlet pipe 21, reach the effect of Waste Heat Recovery, improve the utilization rate of the energy.
During work, flue gas in chimney buffers in being introduced into flue gas baffle-box 2, avoid the too fast efficiency affecting heat recovery of air-flow, flue gas subsequently enters smoke filter 8 and filters further, gas after filtration enters in waste-heat recoverer 5, open the valve of the first water inlet pipe 13 simultaneously, first water pump 15 draws water in the first water tank 3, water heats through heat pipe 12, flue gas returns to heat pipe 12 under the effect of upper supporting plate 18 and carries out heat conduction, open the valve on the second water inlet pipe 14, water body after heating enters in heat exchanger 6 from the second water inlet pipe 14, and flue gas is discharged from smoke discharge pipe.
Then the second water pump 22 in the second water tank 4 carries out water delivery toward heat exchanger tube 19, the water entering heat exchanger 6 contacts with heat exchanger tube 19, reaches the effect of heat exchange, closes the valve on the second water inlet pipe 14, open the valve on outlet pipe 21 simultaneously, hot water can be sent to place to use.
Opening the valve on return pipe 23, the water of heat exchange is sent back in the first water tank 3 by the 3rd water pump 24 again.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can carry out multiple change without departing from the principles and spirit of the present invention, revise, replace and modification, the scope of the present invention be defined by the appended.

Claims (8)

  1. null1. a chimney waste heat recovery system,Including chimney body (1)、Flue gas baffle-box (2)、First water tank (3)、Second water tank (4)、Waste-heat recoverer (5) and heat exchanger (6),The top of described chimney body (1) is communicated with flue gas baffle-box (2),It is characterized in that: the top of described flue gas baffle-box (2) is communicated with smoke-intake pipe (7),Described smoke-intake pipe (7) is provided with smoke filter (8),Described smoke-intake pipe (7) connects away from the scattered smoke pipe (9) that one end of flue gas baffle-box (2) is internal with being located at waste-heat recoverer (5),The bottom of described scattered smoke pipe (9) is provided with flue gas shower nozzle (10),The inside of described waste-heat recoverer (5) is provided with pole (11),Described pole (11) is upper around being provided with heat pipe (12),One end of described heat pipe (12) connects the first water inlet pipe (13),The other end of described heat pipe (12) is communicated with the second water inlet pipe (14),The other end of described first water inlet pipe (13) runs through waste-heat recoverer (5) and connects with the first water tank (3),The inside of described first water tank (3) is provided with the first water pump (15),The water inlet of described first water pump (15) and the first water inlet pipe (13) connection;nullThe intracavity bottom of described waste-heat recoverer (5) is provided with lower carrier plate (16),The top of described lower carrier plate (16) is provided with buffer spring (17),The top of described buffer spring (17) is fixedly connected with upper supporting plate (18),Described second water inlet pipe (14) is run through waste-heat recoverer (5) away from one end of heat pipe (12) and connects with heat exchanger (6),The inside of described heat exchanger (6) is provided with heat exchanger tube (19),The two ends of described heat exchanger tube (19) connect the 3rd water inlet pipe (20) and outlet pipe (21) respectively,The outlet connection of the second water pump (22) arranged in the other end of described 3rd water inlet pipe (20) and the second water tank (4),Described outlet pipe (21) extends to the outside of heat exchanger (6) away from one end of heat exchanger tube (19),The bottom of described heat exchanger (6) is communicated with return pipe (23),And return pipe (23) away from heat exchanger (6) one end connect have the 3rd water pump (24),The water inlet of described 3rd water pump (24) is connected by pipeline and the first water tank (3).
  2. A kind of chimney waste heat recovery system the most according to claim 1, it is characterised in that: the both sides inwall of described flue gas baffle-box (2) is connected with between buffer board, and buffer board with flue gas baffle-box (2) inwall and is connected by buffer bar (25) is fixing.
  3. A kind of chimney waste heat recovery system the most according to claim 2, it is characterized in that: described buffer bar (25) includes upper bush (251) and lower sleeve (252), by connecting post (254) connection between described upper bush (251) and lower sleeve (252), described connection post (254) is upper around being provided with damping spring (253), one end of described damping spring (253) is fixing with upper bush (251) to be connected, and the other end of damping spring (253) is fixed with lower sleeve (252) and is connected.
  4. A kind of chimney waste heat recovery system the most according to claim 3, it is characterised in that: the top of described upper bush (251) is fixing with the inwall of flue gas baffle-box (2) to be connected, and the bottom of described lower sleeve (252) is fixing with buffer board to be connected.
  5. A kind of chimney waste heat recovery system the most according to claim 1, it is characterised in that: described smoke filter (8) pressure be 2bar, 6bar, 10bar, 16bar, 25bar, 40bar one of them.
  6. A kind of chimney waste heat recovery system the most according to claim 1, it is characterized in that: on described first water inlet pipe (13), the second water inlet pipe (14), outlet pipe (21) and return pipe (23), be provided with valve, and the model of valve, size are identical with function.
  7. A kind of chimney waste heat recovery system the most according to claim 1, it is characterised in that: described heat pipe (12) is spiral heat pipe.
  8. A kind of chimney waste heat recovery system the most according to claim 1, it is characterised in that: the bottom side of described waste-heat recoverer (5) is communicated with smoke discharge pipe.
CN201610360524.0A 2016-05-28 2016-05-28 A kind of chimney waste heat recovery system Active CN105972628B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110449642A (en) * 2019-07-05 2019-11-15 高邮市永发机械有限公司 A kind of CNC milling machine with heat reclaim unit

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CN104315891A (en) * 2014-11-07 2015-01-28 黄秀琼 Heat exchanger capable of achieving flue gas cleaning and waste heat recovery
CN104764193A (en) * 2015-04-20 2015-07-08 张建平 Efficient smoke water washing heat recycling device
CN205119111U (en) * 2015-11-27 2016-03-30 董伟 Boiler waste heat cyclic utilization system

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KR100778062B1 (en) * 2006-08-31 2007-11-21 김건표 Apparatus and method for removing smoke for charcoal oven
US20080141646A1 (en) * 2006-12-13 2008-06-19 Mitsubishi Heavy Industries, Ltd. Integrated coal gasification combined cycle plant
CN201059772Y (en) * 2007-05-30 2008-05-14 高峰 Boiler heat-recovering and dust cleaning apparatus
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Publication number Priority date Publication date Assignee Title
CN110449642A (en) * 2019-07-05 2019-11-15 高邮市永发机械有限公司 A kind of CNC milling machine with heat reclaim unit
CN110449642B (en) * 2019-07-05 2020-11-17 高邮市永发机械有限公司 Numerical control milling machine with heat recovery device

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