CN205065770U - Flue gas waste heat recovery device - Google Patents
Flue gas waste heat recovery device Download PDFInfo
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- CN205065770U CN205065770U CN201520811591.0U CN201520811591U CN205065770U CN 205065770 U CN205065770 U CN 205065770U CN 201520811591 U CN201520811591 U CN 201520811591U CN 205065770 U CN205065770 U CN 205065770U
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- Prior art keywords
- pipe
- heat
- flue gas
- water
- boiler
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000003546 flue gas Substances 0.000 title claims abstract description 72
- 238000011084 recovery Methods 0.000 title claims abstract description 46
- 239000002918 waste heat Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 238000010521 absorption reaction Methods 0.000 claims abstract description 41
- 239000008400 supply water Substances 0.000 claims abstract description 35
- 239000007921 spray Substances 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims description 11
- 230000003020 moisturizing effect Effects 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a technical field is retrieved to the flue gas, discloses flue gas waste heat recovery device, including consecutive boiler, indirect formula heat transfer unit, direct type heat transfer unit and absorption heat pump, absorption heat pump respectively through heat supply water pipe branch pipe and heat supply water pipe with the boiler is connected, be provided with moisturizing pipe and driving heat source pipe on the indirect formula heat transfer unit, driving heat source pipe with heat supply water pipe branch connection, be provided with the water injection pipe and spray the outlet pipe on the direct type heat transfer unit, direct type heat transfer unit pass through the pipe network with absorption heat pump connects, the boiler with be provided with boiler water return pipe between the absorption heat pump, heat supply water pipe lateral duct cross the driving heat source wet return with boiler water return pipe connects, boiler water return pipe and water source intercommunication. The utility model provides a flue gas waste heat recovery device carries out the obvious recovery of flue gas through indirect formula heat transfer unit, and rethread direct type heat transfer unit is retrieved the latent heat of flue gas.
Description
Technical field
The utility model relates to off-gas recovery technical field, particularly relates to a kind of flue gas waste heat recovery apparatus, particularly a kind of can degree of depth recovery waste heat and the flue gas waste heat recovery apparatus of simultaneously purifying smoke.
Background technology
The Main Ingredients and Appearance of natural gas is methane, and the product after burning contains a large amount of steam, has sensible heat and latent heat in high-temperature vapor simultaneously, is directly discharged in air can causes energy waste and environmental pollution without waste heat recovery.For reducing the waste of the energy, flue gas is many before discharging can enter the recycling that waste-heat recovery device carries out the energy.
Existing waste-heat recovery device mostly is indirect contact waste heat recovery, though this waste heat recovery form is without the cross pollution of medium, but low-temperature flue gas heat transfer temperature difference is little, heat transfer coefficient is lower, flue resistance is large, thus causes system excessive, and cost is high, flue gas after waste heat recovery still has higher temperature, and this method cannot ensure that the sensible heat of flue gas and latent heat are all completely absorbed; The direct contact type flue gas waste heat recovery coefficient of heat transfer is large, and flue resistance is little, but flue gas and water directly contact rear water can not directly can be used in acidity.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is that existing waste-heat recovery device mostly is indirect contact waste heat recovery, though this waste heat recovery form is without the cross pollution of medium, but low-temperature flue gas heat transfer temperature difference is little, heat transfer coefficient is lower, flue resistance is large, thus causes system excessive, and cost is high, flue gas after waste heat recovery still has higher temperature, and this method cannot ensure that the sensible heat of flue gas and latent heat are all completely absorbed; The direct contact type flue gas waste heat recovery coefficient of heat transfer is large, and flue resistance is little, but flue gas and water directly contact the problem that rear water can not directly can use in acidity.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of flue gas waste heat recovery apparatus, it comprises the boiler, indirect type heat exchange unit, direct-type heat exchange unit and the absorption heat pump that are connected successively, described absorption heat pump is connected with described boiler respectively by heat supply water pipe arm and heat supply water pipe, described indirect type heat exchange unit is provided with filling pipe and driving heat source pipe, described driving heat source pipe is connected with described heat supply water pipe arm; Described direct-type heat exchange unit is provided with water injection pipe and spray outlet pipe, described direct-type heat exchange unit is connected with described absorption heat pump by pipe network, boiler blow-down water pipe is provided with between described boiler and described absorption heat pump, described heat supply water pipe arm is connected with described boiler blow-down water pipe by driving heat source return pipe, and described boiler blow-down water pipe is communicated with water source.
Preferably, described indirect type heat exchange unit comprises the seal be communicated with described boiler by flue, is provided with the flue be communicated with described flue and restrains in described seal.
Preferably, described filling pipe is arranged at the bottom of described seal, and described driving heat source pipe is arranged at the top of described seal.
Preferably, also comprise the domestic hot-water be arranged between described filling pipe and described driving heat source pipe to manage.
Preferably, described seal comprises the first seal, the second seal and exchanges feed pipe, described filling pipe is arranged at the bottom of the second seal, described domestic hot-water's pipe is arranged at the top of described second seal, described exchange feed pipe is arranged at the bottom of described first seal, described driving heat source pipe is arranged at the top of described first seal, and described exchange feed pipe is communicated with described domestic hot-water's pipe.
Preferably, guiding device is provided with in described flue tube bank.
Preferably, described direct-type heat exchange unit comprises restrains with described flue the main tower be communicated with, and is provided with spray thrower and cistern in described main tower, and described water injection pipe and spray outlet pipe are all connected with described cistern.
Preferably, described spray outlet pipe is communicated with described spray thrower, and described spray outlet pipe is provided with purifying box.
Preferably, described pipe network comprises the low temperature supplying water pipe and low-temperature return water pipe that are all connected with described cistern.
Preferably, described main tower is provided with smoke exhaust pipe, described smoke exhaust pipe is provided with demister.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the absorption heat pump in the flue gas waste heat recovery apparatus that the utility model provides is connected with boiler respectively by heat supply water pipe arm and heat supply water pipe, indirect type heat exchange unit is provided with filling pipe and driving heat source pipe, driving heat source pipe is connected with heat supply water pipe arm; Direct-type heat exchange unit is provided with water injection pipe and spray outlet pipe, direct-type heat exchange unit is connected with absorption heat pump by pipe network, boiler blow-down water pipe is provided with between boiler and absorption heat pump, heat supply water pipe arm is connected with boiler blow-down water pipe by driving heat source return pipe, and boiler blow-down water pipe is communicated with water source.The flue gas waste heat recovery apparatus that the utility model provides carries out the obvious recovery of flue gas by indirect type heat exchange unit, reclaimed by the latent heat of direct-type heat exchange unit to flue gas again, the heat be recovered to is for the feedwater of heating hot water and heating boiler, improve the utilization rate of flue gas, the dual purpose of recovered flue gas waste heat of condensation and purifying smoke can be reached; There is the advantages such as structure is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flue gas waste heat recovery apparatus of the utility model embodiment;
Fig. 2 is the sectional view of A-A in the flue gas waste heat recovery apparatus of the utility model embodiment.
In figure: 1: boiler; 2: flue; 3: one-level heat exchange segment; 4: secondary heat exchange segment; 5: sealing medium; 6: flue is restrained; 7: guiding device; 8: spray thrower; 9: packing layer; 10: cistern; 11: demister; 12: blower fan; 13: purifying box; 14: absorption heat pump; 21: filling pipe; 22: domestic hot-water manages; 23: exchange feed pipe; 24: driving heat source pipe; 25: overflow pipe; 26: water injection pipe; 27: spray outlet pipe; 28: low temperature supplying water pipe; 29: low-temperature return water pipe; 30: heat supply water pipe arm: 31: hot water return pipe; 32: boiler blow-down water pipe; 33: the first valves; 34: the second valves; 35: heat supply water pipe; 36: driving heat source return pipe.
Detailed description of the invention
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the machine of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the flue gas waste heat recovery apparatus that the utility model embodiment provides, it comprises the boiler 1 be connected successively, indirect type heat exchange unit, direct-type heat exchange unit and absorption heat pump 14, described absorption heat pump 14 is connected with described boiler 1 respectively by heat supply water pipe arm 30 and heat supply water pipe 35, described indirect type heat exchange unit is provided with filling pipe 21 and driving heat source pipe 24, described driving heat source pipe 24 is connected with described heat supply water pipe arm 30, jointly as the driving heat source of absorption heat pump 14, driving heat source high-temperature-hot-water is lowered the temperature after finishing merit, enter into boiler blow-down water pipe through thermal source return pipe 36 of overdriving after cooling to continue to be heated, described direct-type heat exchange unit is provided with water injection pipe 26 and spray outlet pipe 27, described direct-type heat exchange unit is connected with described absorption heat pump 14 by pipe network, boiler blow-down water pipe 32 is provided with between described boiler 1 and described absorption heat pump 14, described heat supply water pipe arm 30 is connected with described boiler blow-down water pipe 32 by driving heat source return pipe 36, and described boiler blow-down water pipe 32 is communicated with water source.Namely water source supplies the water of heat user through hot water return pipe 31, the water that water source leads to through the hot water of absorption heat pump 14 and direct-type heat exchange unit after heat exchange of doing work in absorption heat pump 14, this heat is used for the hot water in preheating hot water return pipe 31, to enter in boiler 1 through boiler blow-down water pipe 32 through the hot water of preheating and heated again, after reaching heat supply temperature, supply heat user through heat supply water pipe 35.
Driving heat source pipe 24 is connected, jointly as the driving heat source of absorption heat pump 14 with the heat supply water pipe arm 30 of boiler 1.
The hot water of supply heat user is after hot water return pipe 31, first carry out preheating through described absorption heat pump 14, after mixing with the hot water in driving heat source return pipe 36 again, described boiler 1 is entered through boiler blow-down water pipe 32, after boiler 1 heats, hot water supply user used through heat supply water pipe 35, wherein a part of hot water does work for driving absorption heat pump 14 through heat supply water pipe arm 30, heat is extracted, for the hot water in preheating hot water return pipe 31 from low temperature supplying water pipe 28.
Flue gas in the flue gas waste heat recovery apparatus that the utility model provides after boiler 1 burning enters indirect type heat exchange unit by flue 2, filling pipe 21 passes into the driving heat source that water and flue gas can be used as absorption heat pump 14 after the heat exchange of indirect type heat exchange unit, through driving heat source pipe 24 for driving absorption heat pump 14.After the heat exchange of indirect type heat exchange unit, the sensible heat of flue gas is recovered, and the flue gas with latent heat enters in direct-type heat exchange unit, is connected with water in water injection pipe 26, discharges, reclaim the latent heat of flue gas after the heat exchange of direct-type heat exchange unit from spray outlet pipe 27.Direct-type heat exchange unit is connected with absorption heat pump by pipe network, water source passes into the hot water of water through absorption heat pump 14 and direct-type heat exchange unit after heat exchange of doing work in absorption heat pump 14, this heat is used for the hot water in preheating hot water return pipe 31, to enter in boiler 1 through boiler blow-down water pipe 32 through the hot water of preheating and heated again, after reaching heat supply temperature, supply heat user through heat supply water pipe 35.Entered in boiler 1 from boiler blow-down water pipe 32 by the water heated.
The utility model through and the obvious recovery being carried out flue gas by indirect type heat exchange unit, then to be reclaimed by the latent heat of direct-type heat exchange unit to flue gas, prevent flue gas condensing to problems such as the environmental pollutions of the corrosion of equipment and discharge flue gas.The heat be recovered to, for the feedwater of heating boiler 1, namely heats the hot water return pipe 31 be communicated with water source.Improve the utilization rate of flue gas, take into account energy-conservation with environmental protection object; The heat be recovered to promotes the backwater for preboiler 1 after temperature through sorption type heat pump 14, save the natural gas that flue gas boiler consumes, simultaneously, being acted on by the spray outlet pipe 27 of direct-type heat exchange unit can also nitrogen oxide in purifying smoke, and this device can reach the dual purpose of recovered flue gas waste heat of condensation and purifying smoke; There is the advantages such as structure is simple, easy to operate.
The heat exchange unit of indirect type described in the present embodiment comprises the seal 5 be communicated with described boiler 1 by flue 2, is provided with the flue be communicated with described flue 2 and restrains 6 in described seal.Seal 5 is for being provided with the hermetically-sealed construction of cavity, and flue tube bank 6 is vertically arranged in cavity, filling pipe 21 and driving heat source pipe 24 respectively with the cavity connects of seal 5.Flue gas flowing in flue tube bank 6, water is in the outer flowing of flue tube bank 6.
In order to make heat transfer effect better, filling pipe 21 described in the present embodiment is arranged at the bottom of described seal, and described driving heat source pipe 24 is arranged at the top of described seal.
Conveniently use water, in the utility model, also comprise the domestic hot-water's pipe 22 be arranged between described filling pipe 21 and described driving heat source pipe 24.
In order to utilize the sensible heat of flue gas more fully, seal 5 described in the utility model comprises the first seal 3, second seal 4 and exchanges feed pipe 23, arranges two seals for multi-stage heat exchanger.Described filling pipe 21 is arranged at the bottom of the second seal 4, described domestic hot-water's pipe 22 is arranged at the top of described second seal 4, described exchange feed pipe 23 is arranged at the bottom of described first seal 3, described driving heat source pipe 24 is arranged at the top of described first seal 3, and described exchange feed pipe 23 is communicated with described domestic hot-water's pipe 22.Filling pipe 21 is entered by the second seal 4 bottom, increasing with rate of water added, and this water source flows out from the second seal 4 top, and wherein a part exports from domestic hot-water's pipe 22 as heating hot water, and another part water source in return feeds water from exchange feed pipe 23 and inputs.The water entering the second seal 4 and lower temperature from the first seal 3 flue gas out carries out heat exchange, thus the temperature of further cooled flue gas.
In order to make flue gas and the abundant heat exchange of water in the present embodiment, in described flue tube bank 6, be provided with guiding device 7.
The heat exchange unit of direct-type described in the utility model comprises restrains 6 main towers be communicated with described flue, is provided with spray thrower 8 and cistern 10 in described main tower, and described water injection pipe 26 and spray outlet pipe 27 are all connected with described cistern 10.The water that flue gas and spray thrower 8 spray directly contacts and carries out exchange heat, in order to allow flue gas and the abundant heat exchange of water, cobblestone layer 9 or corrugated sheet is added between shower 8 and cistern 10, cobblestone has higher heat transfer coefficient and comparatively bigger serface, and the shower water adhered to around it can carry out exchange heat with flue gas rapidly.Main tower described in the present embodiment is provided with smoke exhaust pipe, described smoke exhaust pipe is provided with demister 11, also can blower fan 12 be set as required.Low-temperature flue gas after abundant heat exchange is expelled in air by blower fan 12 after demister 11 cleaning, and take into account energy-conservation with environmental protection in one.
In order to saving water resource, spray outlet pipe 27 and be communicated with described spray thrower 8 described in the present embodiment, shower water enters spray thrower 8 and proceeds spray after entering cistern 10.In order to reduce the corrosivity of water, purifying box 13 is provided with in direct-type heat exchange unit, namely described spray outlet pipe 27 is provided with purifying box 13, purifying box 13 can detect water quality ph value, thus regularly water quality is processed, shower water enters purifying box 13 through water pump pressurization, can reduce the acidity of water, the extrusion rate to flue gas nitrogen oxide can be improved simultaneously, there is the effect of environmental protection.In the present embodiment, cistern 10 is provided with overflow pipe 25, when water level is higher, water can drain into its exterior by overflow pipe 25 automatically, and water injection pipe 26 can be used as alternate source.
Pipe network described in the utility model comprises the low temperature supplying water pipe 28 and low-temperature return water pipe 29 that are all connected with described cistern 10.The low-temperature heat source that be can be used as absorption heat pump 14 by the shower water that heats by heat exchanger heat exchange in direct-type heat exchange unit after heat exchange, be connected with absorption heat pump 14 by low temperature supplying water pipe 28, return cistern 10 by water circulating pump and low-temperature return water pipe 29 after the shower water cooling in low temperature supplying water pipe 28 and proceed exchange heat.The driving heat source of absorption heat pump is driving heat source pipe 24, and the backwater of boiler can be used as supplemental heat source 29.High temperature heat source is the water by heat supply water pipe arm 30, the water of heat supply water pipe arm 30 enters absorption heat pump 14, the heat that the heat absorbed equals direct contact type waste heat recovery adds the driving heat of driving heat source pipe 24, and hot net water is heated rear feeding boiler 1 and fed water to boiler 1 by hot water return pipe 31.
The flue gas waste heat recovery apparatus provided in the present embodiment, during use, the flue gas of boiler 1 enters heat exchange in direct-type heat exchange unit after the first seal 3 and the second seal 4 heat exchange, the low-temperature heat source that be can be used as absorption heat pump 14 by the shower water that heats by heat exchanger heat exchange in direct-type heat exchange unit after heat exchange, be connected with absorption heat pump 14 by low temperature supplying water pipe 28, return cistern 10 by water circulating pump and low-temperature return water pipe 29 after the shower water cooling in low temperature supplying water pipe 28 and proceed exchange heat.The backwater of boiler can be used as supplemental heat source 29.High temperature heat source is the water by heat supply water pipe arm 30, the water of heat supply water pipe arm 30 enters absorption heat pump 14, the heat that the heat absorbed equals direct contact type waste heat recovery adds the driving heat of driving heat source pipe 24, and hot net water is heated rear feeding boiler 1 and fed water to boiler 1 by hot water return pipe 31.
In sum, absorption heat pump in the flue gas waste heat recovery apparatus that the utility model provides is connected with boiler respectively by heat supply water pipe arm and heat supply water pipe, indirect type heat exchange unit is provided with filling pipe and driving heat source pipe, driving heat source pipe is connected with heat supply water pipe arm; Direct-type heat exchange unit is provided with water injection pipe and spray outlet pipe, direct-type heat exchange unit is connected with absorption heat pump by pipe network, boiler blow-down water pipe is provided with between boiler and absorption heat pump, heat supply water pipe arm is connected with boiler blow-down water pipe by driving heat source return pipe, and boiler blow-down water pipe is communicated with water source.The flue gas waste heat recovery apparatus that the utility model provides carries out the obvious recovery of flue gas by indirect type heat exchange unit, reclaimed by the latent heat of direct-type heat exchange unit to flue gas again, the heat be recovered to is for the feedwater of heating hot water and heating boiler, improve the utilization rate of flue gas, the dual purpose of recovered flue gas waste heat of condensation and purifying smoke can be reached; There is the advantages such as structure is simple, easy to operate.
Further, in order to reduce the corrosivity of water, in direct-type heat exchange unit, being provided with purifying box, the acidity of water can be reduced, the extrusion rate to flue gas nitrogen oxide can be improved simultaneously, there is the effect of environmental protection.
Above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a flue gas waste heat recovery apparatus, it is characterized in that, comprise: the boiler (1), indirect type heat exchange unit, direct-type heat exchange unit and the absorption heat pump (14) that are connected successively, described absorption heat pump (14) is connected with described boiler (1) respectively by heat supply water pipe arm (30) and heat supply water pipe (35), described indirect type heat exchange unit is provided with filling pipe (21) and driving heat source pipe (24), described driving heat source pipe (24) is connected with described heat supply water pipe arm (30); Described direct-type heat exchange unit is provided with water injection pipe (26) and spray outlet pipe (27), described direct-type heat exchange unit is connected with described absorption heat pump (14) by pipe network, boiler blow-down water pipe (32) is provided with between described boiler (1) and described absorption heat pump (14), described heat supply water pipe arm (30) is connected with described boiler blow-down water pipe (32) by driving heat source return pipe (36), and described boiler blow-down water pipe (32) is communicated with water source.
2. flue gas waste heat recovery apparatus as claimed in claim 1, it is characterized in that: described indirect type heat exchange unit comprises the seal (5) be communicated with described boiler (1) by flue (2), be provided with the flue be communicated with described flue (2) in described seal and restrain (6).
3. flue gas waste heat recovery apparatus as claimed in claim 2, it is characterized in that: described filling pipe (21) is arranged at the bottom of described seal, described driving heat source pipe (24) is arranged at the top of described seal.
4. flue gas waste heat recovery apparatus as claimed in claim 3, is characterized in that: also comprise the domestic hot-water be arranged between described filling pipe (21) and described driving heat source pipe (24) and manage (22).
5. flue gas waste heat recovery apparatus as claimed in claim 4, it is characterized in that: described seal (5) comprises the first seal (3), second seal (4) and exchange feed pipe (23), described filling pipe (21) is arranged at the bottom of the second seal (4), described domestic hot-water's pipe (22) is arranged at the top of described second seal (4), described exchange feed pipe (23) is arranged at the bottom of described first seal (3), described driving heat source pipe (24) is arranged at the top of described first seal (3), described exchange feed pipe (23) is managed (22) and is communicated with described domestic hot-water.
6. flue gas waste heat recovery apparatus as claimed in claim 2, is characterized in that: be provided with guiding device (7) in described flue tube bank (6).
7. flue gas waste heat recovery apparatus as claimed in claim 2, it is characterized in that: described direct-type heat exchange unit comprises the main tower of to restrain (6) with described flue and being communicated with, be provided with spray thrower (8) and cistern (10) in described main tower, described water injection pipe (26) and spray outlet pipe (27) are all connected with described cistern (10).
8. flue gas waste heat recovery apparatus as claimed in claim 7, it is characterized in that: described spray outlet pipe (27) is communicated with described spray thrower (8), described spray outlet pipe (27) is provided with purifying box (13).
9. flue gas waste heat recovery apparatus as claimed in claim 7, is characterized in that: described pipe network comprises the low temperature supplying water pipe (28) and low-temperature return water pipe (29) that are all connected with described cistern (10).
10. flue gas waste heat recovery apparatus as claimed in claim 7, is characterized in that: described main tower is provided with smoke exhaust pipe, described smoke exhaust pipe is provided with demister (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811591.0U CN205065770U (en) | 2015-10-19 | 2015-10-19 | Flue gas waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811591.0U CN205065770U (en) | 2015-10-19 | 2015-10-19 | Flue gas waste heat recovery device |
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| Publication Number | Publication Date |
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| CN205065770U true CN205065770U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520811591.0U Expired - Fee Related CN205065770U (en) | 2015-10-19 | 2015-10-19 | Flue gas waste heat recovery device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222146A (en) * | 2015-10-19 | 2016-01-06 | 北京建筑大学 | A kind of flue gas waste heat recovery apparatus |
| CN106594777A (en) * | 2016-11-29 | 2017-04-26 | 无锡市锡源锅炉有限公司 | Self-cleaning boiler waste heat recovery device based on smoke pressure detection |
| CN108088074A (en) * | 2017-12-03 | 2018-05-29 | 天津大学 | Novel oil smoke heat recovery system and method based on absorption heat pump |
| CN108844052A (en) * | 2018-06-19 | 2018-11-20 | 山东中农绿能工程设计有限公司 | A kind of selection method of the mating steam accumulator of steelwork converter |
| CN111365727A (en) * | 2020-03-23 | 2020-07-03 | 山东省科学院能源研究所 | Flue gas waste heat recovery and purification device of small household biomass boiler |
-
2015
- 2015-10-19 CN CN201520811591.0U patent/CN205065770U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222146A (en) * | 2015-10-19 | 2016-01-06 | 北京建筑大学 | A kind of flue gas waste heat recovery apparatus |
| CN105222146B (en) * | 2015-10-19 | 2017-10-27 | 北京建筑大学 | A kind of flue gas waste heat recovery apparatus |
| CN106594777A (en) * | 2016-11-29 | 2017-04-26 | 无锡市锡源锅炉有限公司 | Self-cleaning boiler waste heat recovery device based on smoke pressure detection |
| CN108088074A (en) * | 2017-12-03 | 2018-05-29 | 天津大学 | Novel oil smoke heat recovery system and method based on absorption heat pump |
| CN108844052A (en) * | 2018-06-19 | 2018-11-20 | 山东中农绿能工程设计有限公司 | A kind of selection method of the mating steam accumulator of steelwork converter |
| CN111365727A (en) * | 2020-03-23 | 2020-07-03 | 山东省科学院能源研究所 | Flue gas waste heat recovery and purification device of small household biomass boiler |
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