CN202452856U - Waste heat recovery emission reduction device for smoke gas discharged by industrial heating furnace - Google Patents
Waste heat recovery emission reduction device for smoke gas discharged by industrial heating furnace Download PDFInfo
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- CN202452856U CN202452856U CN2012200603560U CN201220060356U CN202452856U CN 202452856 U CN202452856 U CN 202452856U CN 2012200603560 U CN2012200603560 U CN 2012200603560U CN 201220060356 U CN201220060356 U CN 201220060356U CN 202452856 U CN202452856 U CN 202452856U
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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
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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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model relates to a waste heat recovery emission reduction device for smoke gas discharged by an industrial heating furnace. The waste heat recovery emission reduction device comprises an afterheat recovery device and a sedimentation pool, wherein the afterheat recovery device consists of a recovery device case, a heat medium output opening, a smoke gas inlet and a smoke gas outlet, the smoke gas outlet is arranged on the top of the recovery case, the smoke gas inlet and the heat medium output opening are arranged at the lower part of the recovery device case, the sedimentation pool is arranged under the recovery device case, the waste heat recovery emission reduction device also comprises an anti-corrosion heat exchanger and a water fog spraying device, wherein the anti-corrosion heat exchanger consists of a heat exchanger casing, a heat exchange device, a heat absorption source output end and a heat absorption source input end. Through the technical scheme, the sufficient recovery and utilization of the smoke gas heat of the industrial heating furnace can be safely, reliably, flexibly and conveniently realized, meanwhile, harmful substances emitted into the atmosphere along with the smoke gas of the industrial heating furnace are greatly reduced, and the environment protection is favorably realized.
Description
Technical field
The utility model relates to a kind of industrial heating furnace Waste Heat Recovery emission reduction device, and referring to relate to a kind of especially is the Waste Heat Recovery emission reduction device of the industrial heating furnace discharging flue gas of fuel with gas.
Background technology
Industrial-Enterprises in China has adopted a large amount of heating furnaces in process of production; The energy resource supply of these heating furnaces relies on the burning of fuel oil or combustion gas to accomplish mostly; Expansion along with expanding economy, size industrial enterprises; Its terminal energy sources consumption figure proportion is bound to strengthen the space atmosphere is polluted with increasing like this.
In the heating furnace of prior art; People are for fear of the cold end corrosion of afterbody convection heating surface; The smog discharge temperature of most of heating furnaces is all between 160 ℃-280 ℃; This too high exhaust gas temperature has not only expended a large amount of energy; And increased the operating cost of heating furnace, thus becoming the hot issue of engineering circle, academia's common concern gradually, the efficient energy-saving of flue gas utilization therefore explore a cleaning, to(for) industrial enterprise is to have very real and important meaning with the road of emission-reducing process.
Since the seventies in 20th century; Developed countries such as the Europe and the U.S. add the condensing heat exchange in succession on the basis of conventional boiler, make heating surface, and exhaust gas temperature is dropped to 40-50 ℃; Water vapor condensation in the flue gas is got off and discharge latent heat, the thermal efficiency is improved greatly.
Through discovering, when flue gas condensing, the SO in the flue gas
X, NO
X, CO
2, CO and flying dust and flue dust can some or all of being dissolved in the water, and with regard to the harmful substance that enters in the atmosphere is significantly reduced, help environmental protection like this.
The degree of depth utilization of waste heat of flue gas of heating furnace can be reclaimed the water recovery latent heat in the smoke evacuation, can also reduce the pernicious gas in the flue gas.In China; The degree of depth utilization of waste heat of flue gas of heating furnace is still blank; People are major reasons to the insufficient recognition of waste heat of flue gas of heating furnace degree of depth utilization, and another reason is exactly manufacturer to its popularization and researches and develops ineffectively, and China enterprise is when adopting the clean fuel natural gas; The dew-point temperature of flue gas is generally about 55 ℃, thereby to explore the corresponding technology that is fit to waste heat of flue gas of heating furnace degree of depth utilization in the Industrial-Enterprises in China production process and equipment be necessity very.
The utility model content
In view of this; The main purpose of the utility model is to provide a kind of Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas; Assorted through present technique side; Can fully recycle water recovery release latent heat in industrial heating furnace discharged flue gas heat and the flue gas, simultaneously harmful substance in the flue gas and dust separated, to reduce harmful smoke exhaust emission environment.
In order to achieve the above object; The technical scheme of the utility model is achieved in that a kind of Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas; Include waste-heat recoverer and settling tank; Said waste-heat recoverer is made up of recover shell, thermal medium delivery outlet, gas approach and exhanst gas outlet; Said exhanst gas outlet is arranged on the top of recover shell, and gas approach and thermal medium delivery outlet are separately positioned on the bottom of recover shell, and said settling tank is arranged on the below of recover shell; Also include corrosion-proof heat exchanger and water smoke spray equipment; Said corrosion-proof heat exchanger is made up of heat exchanger shell, heat-exchanger rig, heat sink output and heat sink input, and said heat-exchanger rig is arranged in the heat exchanger shell, and said water smoke spray equipment is arranged on recover shell internal upper part; Said thermal medium delivery outlet links to each other with a end of heat-exchanger rig in being arranged on heat exchanger shell through connecting line; The other end of said heat-exchanger rig links to each other with the water smoke spray equipment through connecting line, and said heat sink output and heat sink input are separately positioned on the heat exchanger shell that is positioned at heat exchanger shell bottom and top, and said heat sink output links to each other with the industrial media heat exchange unit respectively with the heat sink input.
Said heat-exchanger rig is made up of several vertical spiral heat exchange tubes that are evenly distributed in the heat exchanger shell that are provided with; The lower end of said several spiral heat exchange tubes is through connecting and being connected with the thermal medium delivery outlet of waste-heat recoverer jointly; Said several heat exchange with the upper end be connected with the water smoke spray equipment through connecting line jointly; Its outer wall of said spiral heat exchange tube is provided with the recessed edge of spiral, is provided with screwed flange with the recessed edge opposite position of the spiral of spiral heat exchange tube outer wall on the spiral heat exchange tube inwall.
The connecting line that one end of the heat-exchanger rig in said thermal medium delivery outlet and the heat exchanger shell links to each other is provided with corrosion free pump.
The said smoke outlet that is positioned at the waste-heat recoverer top is provided with the speed change ventilating fan, is provided with the static pressure control valve at the gas approach place.
The bottom of said settling tank is provided with blowoff valve.
Said heat sink output is provided with water pump.
Said waste-heat recoverer is provided with the manhole that easy access is used by the recover shell.
The utility model is when work, and the discharging flue gas that heating furnace produced draws flue under the control of static pressure control valve through special, enters into waste-heat recoverer through gas approach; And under the effect of the speed change ventilating fan that is positioned at the waste-heat recoverer smoke outlet; Flue gas after handling is drained in the atmosphere, water as in the waste-heat recoverer with the medium of flue gas heat exchange, in the heat-exchanger rig under the promotion of corrosion protection pump in the entering corrosion-proof heat exchanger; Get into the water smoke spray equipment in the waste-heat recoverer then; Water is sprayed and up flue gas heat-shift downwards by last naturally, is deposited to the bottom of waste-heat recoverer, through going round and beginning again of corrosion protection pump effect; Natural subsidence was regularly got rid of to said settling tank after fouling product in the water reached finite concentration; Clear water links to each other with the industrial media heat exchange unit with the heat sink input through the heat sink output as the refrigerant of said corrosion-proof heat exchanger heat exchange.
Said corrosion-proof heat exchanger is the anti-corrosion type heat exchanger with high heat exchange efficiency; Said corrosion-proof heat exchanger; Through in heat exchanger shell, arranging spiral heat exchange tube, the spiral heat exchange tube of said corrosion-proof heat exchanger is handled through roll extrusion spiral lamination, when fluid is flowed through the nearly wall of helix tube; Thereby make the thermal boundary layer attenuate improve the turbulence level of fluid with producing vertical disturbance and helical flow simultaneously; And then heat transfer efficiency is increased, keep simultaneously solid content in runner suspended state and tube wall effectively washed away, have anti-tartar and from the ability of snaking.
Beneficial effect after the employing technique scheme is: a kind of Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas; Through in waste-heat recovery device, flue gas being carried out the water smoke spray; The heating furnace exhaust gas temperature is dropped to 40-50 ℃, water vapor condensation in the flue gas is got off and discharge latent heat, the thermal efficiency is greatly improved; The condensation of flue gas makes the SO in the flue gas simultaneously
X, NO
X, CO
2, CO and flying dust and flue dust can some or all of being dissolved in the water; So just the harmful substance that enters in the atmosphere is significantly reduced; Help environmental protection, through the present technique scheme, the abundant recycling of realization industrial heating furnace flue gas heat that can be safe and reliable, flexible; The harmful substance that enters in the atmosphere with the industrial heating furnace flue gas simultaneously significantly reduces, and helps environmental protection.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the internal structure sketch map of corrosion-proof heat exchanger in the utility model.
Fig. 3 is the external structure sketch map of spiral heat exchange tube in the corrosion-proof heat exchanger in the utility model.
Fig. 4 is the sectional structure sketch map of spiral heat exchange tube in the corrosion-proof heat exchanger in the utility model.
Among the figure, 1 waste-heat recoverer, 2 settling tanks, 3 recover shells, 4 thermal medium delivery outlets, 5 gas approach, 6 exhanst gas outlets, 7 manholes, 8 tube sheets, 9 corrosion-proof heat exchangers, 10 water smoke spray equipments, 11 heat exchanger shells, 12 heat-exchanger rigs, 13 heat sink outputs, 14 heat sink inputs, 15 deflection plates, 16 industrial media heat exchange units, 17 spiral heat exchange tubes, the recessed edge of 18 spirals, 19 screwed flanges, 20 corrosion free pumps, 21 speed change ventilating fans, 22 static pressure control valves, 23 blowoff valves, 24 water pumps, 25 water inlet water cavities, 26 water outlet water cavities.
The specific embodiment
To combine accompanying drawing that the specific embodiment in the utility model is done further explain below.
As shown in Figure 1; The Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas in the utility model; Include waste-heat recoverer 1 and settling tank 2; Said waste-heat recoverer 1 is made up of recover shell 3, thermal medium delivery outlet 4, gas approach 5 and exhanst gas outlet 6; Said exhanst gas outlet 6 is arranged on the top of recover shell 3, and gas approach 7 and thermal medium delivery outlet 4 are separately positioned on the bottom of recover shell 3, and said settling tank 2 is arranged on the below of recover shell 3; Also include corrosion-proof heat exchanger 9 and water smoke spray equipment 10; Said corrosion-proof heat exchanger 9 is made up of heat exchanger shell 11, heat-exchanger rig 12, heat sink output 13 and heat sink input 14, and said heat-exchanger rig 12 is arranged in the heat exchanger shell 11, and said water smoke spray equipment 10 is arranged on the top in the recover shell 3; Said thermal medium delivery outlet 4 links to each other with a end of heat-exchanger rig 12 in being arranged on heat exchanger shell 11 through connecting line; The other end of said heat-exchanger rig 12 links to each other with water smoke spray equipment 10 through connecting line, and said heat sink output 13 is separately positioned on the heat exchanger shell 11 that is positioned at heat exchanger shell 11 bottoms and top with heat sink input 14, and said heat sink output 13 links to each other with industrial media heat exchange unit 16 respectively with heat sink input 14.
As shown in Figure 2; Said heat-exchanger rig 12 is made up of several vertical spiral heat exchange tubes 17 that are evenly distributed in the heat exchanger shell 11 that are provided with; Above and below in heat exchanger shell 11 is respectively arranged with tube sheet 8; Top and bottom in the heat exchanger shell 11 have been isolated water inlet space 25 and gone out hydrospace 26; The two ends of said several spiral heat exchange tubes 17 respectively with water inlet space 25 with go out hydrospace 26 and be connected, the water inlet space 25 that is positioned at heat exchanger shell 11 lower ends is connected with the thermal medium delivery outlet 4 of waste-heat recoverer 1 through connecting line, the hydrospace 26 that goes out that is positioned at heat exchanger shell 11 upper ends is connected with water smoke spray equipment 10 through connecting line; Said water smoke spray equipment 10 is a technical scheme more common in the prior art, is not giving unnecessary details in detail at this.
Like Fig. 3 and shown in Figure 4, said spiral heat exchange tube 17 its outer walls are provided with the recessed edge 18 of spiral, are provided with screwed flange 19 with recessed edge 18 opposite positions of the spiral of spiral heat exchange tube 17 outer walls on spiral heat exchange tube 17 inwalls; The corrosion-proof heat exchanger 9 of the utility model; Through in heat exchanger shell 11, arranging the tube side and the shell side of the spiral heat exchange tube 17 formation heat exchangers that multitube is arranged, be distributed with several piece deflection plate 15 in the said heat exchanger shell 11, deflection plate 15 can change the direction of shell-side fluid; It is flowed perpendicular to spiral heat exchange tube 17; Thereby obtain heat-transfer effect preferably, the spiral heat exchange tube of said corrosion-proof heat exchanger 9 17 is handled through the roll extrusion spiral laminations, when fluid is flowed through the nearly wall of screwed pipe; Thereby make the thermal boundary layer attenuate improve the turbulence level of fluid with producing vertical disturbance and helical flow simultaneously; And then heat transfer efficiency is increased, keep simultaneously solid content in runner suspended state and tube wall effectively washed away, have anti-tartar and from the ability of snaking.
The connecting line that one end of the heat-exchanger rig 12 in said thermal medium delivery outlet 4 and the heat exchanger shell 11 links to each other is provided with corrosion free pump 20, carries out periodic duty through what the effect of corrosion-resistant pump 20 went round and began again.
Said exhanst gas outlet 6 places that are positioned at waste-heat recoverer 1 top are provided with speed change ventilating fan 21, and 7 places are provided with static pressure control valve 22 at gas approach.
Said settling tank 2 is the container that links to each other with the cylindrical shell of waste-heat recoverer 1 bottom, and the bottom of settling tank 2 is provided with blowoff valve 23, can make periodical blowdown after the interior fouling product natural subsidence of thermal medium.
Said heat sink output 13 is provided with water pump 24.
Said waste-heat recoverer 1 is provided with the manhole 7 that easy access is used by recover shell 3.
Also be furnished with automatic control system in the utility model, can realize unmanned.
The Waste Heat Recovery emission reduction device of the industrial heating furnace discharging flue gas in the utility model can be realized the recycling of water recovery release latent heat in industrial heating furnace flue gas heat and the flue gas effectively.
The above is merely the preferable possible embodiments of the utility model, is not in order to limit the scope of the utility model.
Claims (7)
1. the Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas; Include waste-heat recoverer and settling tank; Said waste-heat recoverer is made up of recover shell, thermal medium delivery outlet, gas approach and exhanst gas outlet, and said exhanst gas outlet is arranged on the top of recover shell, and gas approach and thermal medium delivery outlet are separately positioned on the bottom of recover shell; Said settling tank is arranged on the below of recover shell; It is characterized in that also include corrosion-proof heat exchanger and water smoke spray equipment, said corrosion-proof heat exchanger is made up of heat exchanger shell, heat-exchanger rig, heat sink output and heat sink input; Said heat-exchanger rig is arranged in the heat exchanger shell; Said water smoke spray equipment is arranged on recover shell internal upper part, and said thermal medium delivery outlet links to each other with a end of heat-exchanger rig in being arranged on heat exchanger shell through connecting line, and the other end of said heat-exchanger rig links to each other with the water smoke spray equipment through connecting line; Said heat sink output and heat sink input are separately positioned on the heat exchanger shell that is positioned at heat exchanger shell bottom and top, and said heat sink output links to each other with the industrial media heat exchange unit respectively with the heat sink input.
2. the Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas according to claim 1; It is characterized in that; Said heat-exchanger rig is made up of several vertical spiral heat exchange tubes that are evenly distributed in the heat exchanger shell that are provided with; The lower end of said several spiral heat exchange tubes is connected with the thermal medium delivery outlet of waste-heat recoverer through connecting line jointly; Said several heat exchange with the upper end be connected with the water smoke spray equipment through connecting line jointly, its outer wall of said spiral heat exchange tube is provided with the recessed edge of spiral, is provided with screwed flange with the recessed edge opposite position of the spiral of spiral heat exchange tube outer wall on the spiral heat exchange tube inwall.
3. the Waste Heat Recovery emission reduction device of industrial heating furnace according to claim 1 and 2 discharging flue gas is characterized in that, the connecting line that an end of the heat-exchanger rig in said thermal medium delivery outlet and the heat exchanger shell links to each other is provided with corrosion free pump.
4. the Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas according to claim 1 is characterized in that the said smoke outlet that is positioned at the waste-heat recoverer top is provided with the speed change ventilating fan, is provided with the static pressure control valve at the gas approach place.
5. the Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas according to claim 1 is characterized in that the bottom of said settling tank is provided with blowoff valve.
6. the Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas according to claim 1 is characterized in that said heat sink output is provided with water pump.
7. the Waste Heat Recovery emission reduction device of industrial heating furnace discharging flue gas according to claim 1 is characterized in that said waste-heat recoverer is provided with the manhole that easy access is used by the recover shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200603560U CN202452856U (en) | 2012-02-23 | 2012-02-23 | Waste heat recovery emission reduction device for smoke gas discharged by industrial heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200603560U CN202452856U (en) | 2012-02-23 | 2012-02-23 | Waste heat recovery emission reduction device for smoke gas discharged by industrial heating furnace |
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| Publication Number | Publication Date |
|---|---|
| CN202452856U true CN202452856U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200603560U Expired - Fee Related CN202452856U (en) | 2012-02-23 | 2012-02-23 | Waste heat recovery emission reduction device for smoke gas discharged by industrial heating furnace |
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| CN (1) | CN202452856U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977650A (en) * | 2014-05-13 | 2014-08-13 | 中起重工（大连）有限公司 | Haze treatment method |
| CN104180507A (en) * | 2014-07-31 | 2014-12-03 | 法瑞钠（济南）焊接器材有限公司 | Utilization device for heat transfer oil flue gas used in welding wire surface treatment |
| CN112033169A (en) * | 2020-09-11 | 2020-12-04 | 济南安地冶金机械设备有限公司 | Flue gas waste heat utilization heat exchanger of activated lime rotary kiln production line and system thereof |
-
2012
- 2012-02-23 CN CN2012200603560U patent/CN202452856U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977650A (en) * | 2014-05-13 | 2014-08-13 | 中起重工（大连）有限公司 | Haze treatment method |
| CN104180507A (en) * | 2014-07-31 | 2014-12-03 | 法瑞钠（济南）焊接器材有限公司 | Utilization device for heat transfer oil flue gas used in welding wire surface treatment |
| CN112033169A (en) * | 2020-09-11 | 2020-12-04 | 济南安地冶金机械设备有限公司 | Flue gas waste heat utilization heat exchanger of activated lime rotary kiln production line and system thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20200223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |