CN205037334U - Residual heat from flue gas utilizes system - Google Patents
Residual heat from flue gas utilizes system Download PDFInfo
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- CN205037334U CN205037334U CN201520788948.8U CN201520788948U CN205037334U CN 205037334 U CN205037334 U CN 205037334U CN 201520788948 U CN201520788948 U CN 201520788948U CN 205037334 U CN205037334 U CN 205037334U
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- heat
- flue gas
- fountain
- exchanger
- supply network
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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
Abstract
The utility model relates to a waste heat recovery utilizes technical field, in particular to residual heat from flue gas utilizes system. The utility model provides a residual heat from flue gas utilizes system, including being used for retrieving the fountain heat transfer tower of latent heat and the sensible heat recovery mechanism that is used for retrieving the sensible heat, the one end of sensible heat recovery mechanism is equipped with the flue gas entry, and the other end links to each other with fountain heat transfer tower, the flue gas at first gets into sensible heat recovery mechanism and carries out sensible heat exchanging, and process sensible heat exchanging's flue gas gets into fountain heat transfer tower and carries out the latent heat exchange, compares with traditional waste heat recovery system, has recovery simultaneously of single sensible heat recovery, sensible heat and latent heat and sensible heat and latent heat and separately retrieves multiple operating mode alone, realized that residual heat from flue gas's is more thorough to the step recycle of flue gas waste heat, recovery efficiency is higher, and, owing to only be arranged in retrieving the sensible heat of flue gas in sensible heat recovery mechanism, require the anticorrosive ability of heat exchanger lower, consequently reducible residual heat from flue gas's cost.
Description
Technical field
The utility model relates to heat recovery technical field, particularly a kind of flue gas heat recovery system.
Background technology
At present, natural gas is widely used as the main domestic energy of people's daily life, and the main component of natural gas is methane, and methane is the alkane that hydrogen content is the highest.Therefore, containing a large amount of moisture in the flue gas after combustion of natural gas, and exist as water vapor.Often burn 1Nm
3natural gas, approximately can obtain 2Nm
3steam.The latent heat of vaporization of steam is approximately 11% of combustion gas low heating value.Mean when fuel gas buring often provides 100kw sensible heat also to provide 11kw latent heat simultaneously.Therefore the latent heat reclaimed in the flue gas of combustion of natural gas generation has important energy-saving significance.
Existing waste-heat recovery device many employings wall-type heat exchange, namely the heat exchange simultaneously carrying out sensible heat and latent heat in dividing wall type heat exchanger is reclaimed, but in removal process, exist incomplete to the recovery of latent heat in flue gas, the problem that organic efficiency is low, simultaneously when temperature is reduced to below flue gas dew point, the water droplet condensed out is in acid, and be stored in dividing wall type heat exchanger, acid liquid is attached on the fume side wall of dividing wall type heat exchanger, dividing wall type heat exchanger is corroded, therefore dividing wall type heat exchanger needs to adopt resistant material manufacture, again because carry out sensible heat and latent heat heat exchange in dividing wall type heat exchanger simultaneously, therefore its heat-exchange temperature is higher, the resistant material of Plastic can not be adopted to manufacture dividing wall type heat exchanger, be merely able to adopt the anti-corrosive alloy material of price comparison costliness to manufacture dividing wall type heat exchanger, add the cost of waste heat recovery.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: traditional employing dividing wall type heat exchanger carries out heat exchange, there is the problem that heat exchange efficiency is low, cost is high, simultaneously when carrying out recovery of latent heat, there is the problem that dividing wall type heat exchanger inwall is corroded; Therefore, need to provide a kind of waste heat recovery efficiency high and the flue gas heat recovery system that cost is low.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of flue gas heat recovery system, comprise the heat exchange columns for reclaiming latent heat and the Exposure degree mechanism for reclaiming sensible heat, one end of described Exposure degree mechanism is provided with smoke inlet, and the other end is communicated with fountain heat exchange columns; And described fountain heat exchange columns is all connected with heat user by heat supply network with Exposure degree mechanism.
Wherein, described Exposure degree mechanism is shell and tube exchanger, and described shell and tube exchanger is obliquely installed, and is inclined upwardly 10 ~ 15 ° away from one end of fountain heat exchange columns.
Wherein, the baffle plate that described shell and tube exchanger comprises housing, heat exchanger tube and is located in heat exchanger tube, described housing surrounds the cavity of two ends sealing, and described heat exchanger tube is located in described cavity.
Wherein, described baffle plate is corrugated plating, and the waveform of described corrugated plating is along the axis direction transmission of described heat exchanger tube.
Wherein, one end of described shell and tube exchanger is connected with smoke inlet, and the other end is connected with fountain heat exchange columns.
Wherein, described fountain heat exchange columns comprises connected successively demist section, spray heat exchanging segment and solidifying water collection section from top to bottom, and the top of described fountain heat exchange columns is provided with exhanst gas outlet.
Wherein, described shell and tube exchanger and fountain heat exchange columns are communicated between described spray heat exchanging segment and solidifying water collection section; Described spray heat exchanging segment comprises spray equipment and is located at the packing layer on the downside of spray equipment.
Wherein, described heat user comprises heating heat user and domestic hot-water's heat user, and described solidifying water collection section is provided with delivery port and is positioned at the water filling port on the upside of delivery port; Described heat supply network comprises heating heat supply network and domestic water heat supply network, and described delivery port is connected with the entrance of domestic water heat supply network with the entrance of heating heat supply network respectively, and the outlet of described heating heat supply network is connected with described spray equipment respectively with the outlet of domestic water heat supply network; Described domestic water heat supply network comprises the first plate type heat exchanger, and described first plate type heat exchanger is connected with described domestic hot-water's heat user and forms heat supplying loop; Described heating heat supply network comprises the second plate type heat exchanger, and described shell and tube exchanger, the second plate type heat exchanger and heating heat user connect and compose heating loop successively.
Wherein, described water outlet is provided with circulating pump and chemicals dosing plant, fills the alkali lye for neutralizing solidifying water inner acidic composition in described chemicals dosing plant.
Wherein, described demist section, spray heat exchanging segment and solidifying water collection section between connected in turn by flange.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the utility model provides a kind of flue gas heat recovery system, comprise the fountain heat exchange columns for reclaiming latent heat and the Exposure degree mechanism for reclaiming sensible heat, one end of described Exposure degree mechanism is provided with smoke inlet, and the other end is connected with fountain heat exchange columns; First flue gas enters Exposure degree mechanism and carries out Exchange of apparent heat, enter fountain heat exchange columns through the flue gas of Exchange of apparent heat and carry out latent heat exchange, compared with traditional residual neat recovering system, there is single Exposure degree, sensible heat and latent heat and to reclaim and sensible heat and latent heat separately carry out recovery plurality of operating modes separately simultaneously; Achieve and reclaim the step of fume afterheat, flue gas waste heat recovery more thorough, organic efficiency is higher; Further, due in Exposure degree mechanism only for the sensible heat in recovered flue gas, heat exchanger antiseptic power require lower, therefore can reduce the cost of flue gas waste heat recovery.
Accompanying drawing explanation
The advantage of the above-mentioned and/or additional aspect of the utility model will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the flue gas heat recovery system described in the utility model embodiment;
Fig. 2 is the sectional view of shell and tube exchanger.
Corresponding relation wherein in Fig. 1 and Fig. 2 between Reference numeral and component names is:
1, fountain heat exchange columns, 11, demist section, 12, spray heat exchanging segment, 121, spray equipment, 122, packing layer, 13, solidifying water collection section, 131, delivery port, 132, water filling port, 133, circulating pump, 134, chemicals dosing plant, 135, 3rd stop valve, 136, blowoff valve, 14, exhanst gas outlet, 2, shell and tube exchanger, 21, housing, 22, heat exchanger tube, 221, baffle plate, 23, smoke inlet, 3, first plate type heat exchanger, 31, first stop valve 4, second plate type heat exchanger, 41, second stop valve, 5, heating heat user, 6, domestic hot-water's heat user.
Detailed description of the invention
In description of the present utility model, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of 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 addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and 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, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of flue gas heat recovery system, comprise the fountain heat exchange columns 1 for reclaiming latent heat and the Exposure degree mechanism for reclaiming sensible heat, one end of described Exposure degree mechanism is provided with smoke inlet 23, and the other end is connected with fountain heat exchange columns 1; And described fountain heat exchange columns 1 is connected with heat user by heat supply network with Exposure degree mechanism.
The flue gas heat recovery system that the utility model provides, when Mist heat recovering, first flue gas enters Exposure degree mechanism and carries out Exchange of apparent heat, enter fountain heat exchange columns 1 through the flue gas of Exchange of apparent heat and carry out latent heat exchange, compared with traditional residual neat recovering system, there is single Exposure degree, sensible heat and latent heat to reclaim and sensible heat and latent heat separately carry out recovery plurality of operating modes separately simultaneously, achieve and the step of fume afterheat is recycled, flue gas waste heat recovery more thorough, organic efficiency is higher; Further, due in Exposure degree mechanism only for the sensible heat in recovered flue gas, heat exchanger antiseptic power require lower, therefore can reduce the cost of flue gas waste heat recovery; Meanwhile, flow to heat user after the heat in flue gas is recovered by heat supply network, a set of like this flue gas heat recovery system can supply multiple heat user, and heat supply is more reasonable.
Wherein, described Exposure degree mechanism is shell and tube exchanger 2, one end of described shell and tube exchanger 2 is connected with fountain heat exchange columns 1, the other end is slightly inclination 10 ~ 15 ° to fountain heat exchange columns 1 top, flue gas in shell and tube exchanger after cooling distributes more even when entering in fountain heat exchange columns 1, exchange more complete for flue gas internal latent heat, the organic efficiency of latent heat is higher.
Preferably, as shown in Figure 2, the baffle plate 221 that described shell and tube exchanger 2 comprises housing 21, heat exchanger tube 22 and is located in heat exchanger tube 22, described housing 21 surrounds the cylindrical cavity of two ends sealing, described heat exchanger tube 22 is located in described cavity, one end of described shell and tube exchanger 2 is connected with smoke inlet 23, and the other end is connected with heat exchange columns 1.Flue gas flows through in heat exchanger tube 22, water passes through by outside heat exchanger tube 22, high-temperature flue gas enters heat exchanger tube 22 from smoke inlet 23, water is at described cavity internal circulation flow, flue gas and water carry out heat exchange by heat exchanger tube 22, enter after cooling in fountain heat exchange columns 1 through the flue gas of heat exchange and carry out latent heat and exchange and absorb, particularly, described heat exchanger tube 22 is stainless steel tube; Further, described baffle plate 221 is corrugated plating, and the waveform of described corrugated plating is along the axis direction transmission of described heat exchanger tube 22, and the setting of corrugated plating can strengthen flue gas turbulence intensity in heat exchanger tube 22, strengthens heat transfer effect.
Described heat exchange columns 1 comprises connected successively demist section 11, spray heat exchanging segment 12 and solidifying water collection section 13 from top to bottom, and the top of described heat exchange columns 1 is provided with exhanst gas outlet 14, the flue gas entered in heat exchange columns 1 is discharged by exhanst gas outlet 14, be specially, flue gas after latent heat exchanges upwards flows, through demist section 11, remove the water smoke in flue gas; Described shell and tube exchanger 2 and and fountain heat exchange columns (1) be communicated between described spray heat exchanging segment (12) and solidifying water collection section (13); The packing layer 122 that described spray heat exchanging segment 12 comprises spray equipment 121 and is located on the downside of spray equipment 121, particularly, spray equipment 121 is made up of spray supervisor, spray arm and nozzle.Spray arm is evenly parallel on spray supervisor, spray arm is for being arranged in parallel, each spray arm is evenly arranged multiple nozzle, the water smoke sprayed in spray equipment 121 is like this more even, and the exchange of latent heat is more abundant, is provided with packing layer 122 in the downside of spray equipment 121 simultaneously, fill out ring packing of letting off fireworks in packing layer 122 and increase heat exchange area, make flue-gas temperature reduce further, discharge latent heat lower than the hydrogenesis in the flue gas of dew-point temperature, improve waste heat recovery efficiency.Meanwhile also can there is certain assimilation effect to NOx and SOx in flue gas, reach the effect of environmental protection.
Preferably, described heat exchange columns 1 delivery port 131 place is provided with circulating pump 133 and chemicals dosing plant 134, by circulating pump 133 for whole off-gas recovery utilizes the periodic duty of system to provide power, simultaneously because the water after carrying out latent heat exchange contains acidic materials, can not directly utilize, therefore chemicals dosing plant 134 is set at delivery port 131 place, the alkali lye storing the alkaline medicines such as NaOH in chemicals dosing plant 134 neutralizes the water flowed out from heat exchange columns 1 delivery port 131, and then using the water after neutralization through heat exchanger 3,4 heat supply network supply user heating or as domestic water.
Further, described demist section 11, spray heat exchanging segment 12 and solidifying water collection section 13 between connected in turn by flange, whole heat exchange columns 1 adopts each section of mode of assemble, adopts Flange joint between every two sections, every section can according to difference needs carry out increasing or removing.Unlike material is adopted according to every section of serviceability temperature difference, whole like this fountain heat exchange columns 1 only has the material of spray heat exchanging segment 12 to need to adopt heat-resistant anticorrosion material, the material of different heat resistance can be selected to carry out processing to reduce material construction, reduce costs further for other each section; In addition, the heat-insulation layer that one layer of heat preservation material that the housing 21 of case tube heat exchanger is sticked is made, is arranged the hot water that heat-insulation layer reduces in case tube heat exchanger simultaneously and is outwards dispelled the heat by housing 21, cause the waste of heat.
Preferably, described heat user comprises space-heating installation 5 and domestic hot-water's heat user 6, the water filling port 132 that described solidifying water collection section 13 is provided with delivery port 131 and is positioned on the upside of delivery port 131, and described solidifying water collection section is also provided with blow-off line, described blow-off line is provided with blowoff valve 136; Described heat supply network comprises heating heat supply network and domestic water heat supply network, described delivery port 131 is connected with the first plate type heat exchanger 4 with the first plate type heat exchanger 3 respectively by threeway, and described first plate type heat exchanger 3 porch is provided with the first stop valve 31, described first plate type heat exchanger 4 porch is provided with the second stop valve 41, described first plate type heat exchanger 3 outlet exports with the first plate type heat exchanger 4 and is connected with described spray equipment 121 respectively, the circulatory system of such formation off-gas recovery and utilization, makes whole system can periodic duty; Described domestic water heat supply network comprises the first plate type heat exchanger 3, and described first plate type heat exchanger 3 is connected with described domestic hot-water's heat user 6 and forms heat supplying loop, in building, provide daily life hot water; Described heating heat supply network comprises the second plate type heat exchanger 4, described shell and tube exchanger 2, second plate type heat exchanger 4 and heating heat user 5 connect and compose heating loop successively, because heating heat user 5 requires that hot water has higher temperature, therefore, in heating loop, make use of the hot water that shell and tube exchanger 2 and flue gas carry out carrying out in the hot water of sensible heat transfer and heat exchange columns 1 latent heat heat exchange, the hot water through post bake can meet heating user to the requirement of hot water temperature simultaneously.Described flue gas heat recovery system can switch use in heat supply phase and non-heat supply phase.Open the first stop valve 31 and the second stop valve 41 in the heat supply phase simultaneously, heat heat supply network backwater and domestic hot-water by the first plate type heat exchanger 3 and the second plate type heat exchanger 4.Only open the second stop valve 41 in the non-heat supply phase, the heat of system recoveries is used for heating domestic hot water.
The operation principle of the flue gas heat recovery system provided of the present utility model is described below in conjunction with Fig. 1.
In solidifying pond, inject clean cold water by water filling port 132 before system cloud gray model, during operation, close the 3rd stop valve 135 that water filling port 132 place is arranged.The high-temperature flue gas produced by boiler enters in shell and tube exchanger 2 from smoke inlet 23, and the flue gas of flowing in heat exchanger tube 22 carries out wall-type heat exchange with the water flowed in cavity, release sensible heat.Flue gas after cooling enters in heat exchange columns 1, and one end of described shell and tube exchanger 2 is connected with fountain heat exchange columns 1, and the other end tilts to fountain heat exchange columns 1 top, and the angle of inclination makes flue gas be more evenly distributed after entering fountain heat exchange columns 1.Water in spray heat exchanging segment 12 carries out direct contact heat transfer in vaporific with incoming flow flue gas through nozzle ejection, fill out ring packing of letting off fireworks in packing layer 122 and increase heat exchange area, flue-gas temperature is made to reduce further, discharge latent heat lower than the hydrogenesis in the flue gas of dew-point temperature, improve waste heat recovery efficiency, meanwhile also can there is certain assimilation effect to NOx and SOx in flue gas, reach the effect of environmental protection.Solidifying water collects in the solidifying water collection section 13 of fountain heat exchange columns 1 bottom, and collected hot water, due to containing acidic materials, need carry out processing rear recycling, therefore hot water enters chemicals dosing plant 134 through delivery port 131 carries out agent-feeding treatment.Open the first stop valve 31 and the second stop valve 41 in the heat supply phase simultaneously, hot water after treatment heats heat supply network backwater and domestic hot-water by the first plate type heat exchanger 3 and the second plate type heat exchanger 4, for life hot water thermal user 6 provides domestic water, after the heat supply network backwater access shell and tube exchanger 2 after elementary heating heats again, supply space-heating installation 5.At only Open valve second stop valve 41 of non-heat supply phase, hot water after treatment, by the first plate type heat exchanger 3, supplies domestic hot-water's heat user 6 for heating domestic hot water.Along with the operation of system, condensate flow constantly increases; Be respectively equipped with drain valve at the first plate type heat exchanger 3 and the second plate type heat exchanger 4 rear end, increasing situation according to the water yield in system, suitably to carry out the water yield in sluicing keeping system constant.
During system cloud gray model: fume side, flue gas enters system by smoke inlet (23), fountain heat exchange columns (1) is entered carry out Exchange of apparent heat in shell and tube exchanger (2) after, flow from the bottom to top, sequentially through spray heat exchanging segment (12), demist section (11), discharge from top exhanst gas outlet (14), complete latent heat heat exchange.Sprayer Circulation water side, Sprayer Circulation water is injected by the water filling port (132) coagulating upside, water collection section (13), there is provided power by shower water circulating pump (133), the delivery port (131) on the downside of Sprayer Circulation water self-solidifying water collection section flow to dosing tank (134).After dosing, according to operational mode, can divide and flow through the first plate type heat exchanger (3) and the heat exchange of domestic hot-water's heat supply network and the second plate type heat exchanger (4) and the heat supply network heat exchange that heats; Also one of two heat exchangers can only be flowed through.Recirculated water interflow after heat exchange sprays in fountain heat exchange columns (1) to spray equipment (121), and final settlement, to solidifying water collection section, completes and once circulates; By controlling the open/close states of shell and tube exchanger and fountain heat exchange columns, making whole flue gas heat recovery system have single Exposure degree, sensible heat and latent heat and to reclaim and sensible heat and latent heat separately reclaim plurality of operating modes separately simultaneously.Concrete each operational mode switches and can, according to actual heating and hot water demand, utilize the first stop valve (31) and the second stop valve (41) to realize.
In sum, the utility model provides a kind of flue gas heat recovery system, comprises the heat exchange columns for absorbing latent heat and the Exposure degree mechanism for absorbing sensible heat, and one end of described Exposure degree mechanism is provided with smoke inlet, and the other end is connected with heat exchange columns; First flue gas enters Exposure degree mechanism and carries out sensible heat absorption exchange, enter heat exchange columns through the flue gas of Exchange of apparent heat and carry out latent heat exchange, compared with traditional residual neat recovering system, sensible heat and latent heat are separately reclaimed separately, has not only reclaimed the sensible heat in flue gas but also reclaimed the latent heat in flue gas; Achieve and reclaim the step of fume afterheat, flue gas waste heat recovery more thorough, organic efficiency is higher; Further, due in Exposure degree mechanism only for the sensible heat in recovered flue gas, to antiseptic power require lower, therefore can reduce the cost of flue gas waste heat recovery.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be 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 heat recovery system, it is characterized in that: comprise for reclaiming the fountain heat exchange columns (1) of latent heat and the Exposure degree mechanism for reclaiming sensible heat, one end of described Exposure degree mechanism is provided with smoke inlet (23), and the other end is communicated with fountain heat exchange columns (1); And described fountain heat exchange columns (1) is all connected with heat user by heat supply network with Exposure degree mechanism.
2. flue gas heat recovery system according to claim 1, it is characterized in that: described Exposure degree mechanism is shell and tube exchanger (2), described shell and tube exchanger (2) is obliquely installed, and is inclined upwardly 10 ~ 15 ° away from one end of fountain heat exchange columns (1).
3. flue gas heat recovery system according to claim 2, it is characterized in that: the baffle plate (221) that described shell and tube exchanger (2) comprises housing (21), heat exchanger tube (22) and is located in heat exchanger tube (22), described housing (21) surrounds the cavity of two ends sealing, and described heat exchanger tube (22) is located in described cavity.
4. flue gas heat recovery system according to claim 3, is characterized in that: described baffle plate (221) is corrugated plating, and the waveform of described corrugated plating is along the axis direction transmission of described heat exchanger tube (22).
5. flue gas heat recovery system according to claim 3, is characterized in that: one end of described shell and tube exchanger (2) is connected with smoke inlet (23), and the other end is connected with fountain heat exchange columns (1).
6. flue gas heat recovery system according to claim 2, it is characterized in that: described fountain heat exchange columns (1) comprises connected successively demist section (11), spray heat exchanging segment (12) and solidifying water collection section (13) from top to bottom, and the top of described fountain heat exchange columns (1) is provided with exhanst gas outlet (14).
7. flue gas heat recovery system according to claim 6, is characterized in that: described shell and tube exchanger (2) and fountain heat exchange columns (1) are communicated between described spray heat exchanging segment (12) and solidifying water collection section (13); Described spray heat exchanging segment (12) comprises spray equipment (121) and is located at the packing layer (122) of spray equipment (121) downside.
8. flue gas heat recovery system according to claim 7, it is characterized in that: described heat user comprises heating heat user (5) and domestic hot-water's heat user (6), described solidifying water collection section (13) is provided with delivery port (131) and is positioned at the water filling port (132) of delivery port (131) upside; Described heat supply network comprises heating heat supply network and domestic water heat supply network, described delivery port (131) is connected with the entrance of domestic water heat supply network with the entrance of heating heat supply network respectively, and the outlet of described heating heat supply network is connected with described spray equipment (121) respectively with the outlet of domestic water heat supply network; Described domestic water heat supply network comprises the first plate type heat exchanger (3), and described first plate type heat exchanger (3) is connected with described domestic hot-water's heat user (6) and forms heat supplying loop; Described heating heat supply network comprises the second plate type heat exchanger (4), and described shell and tube exchanger (2), the second plate type heat exchanger (4) and heating heat user (5) connect and compose heating loop successively.
9. flue gas heat recovery system according to claim 8, it is characterized in that: described delivery port (131) place is provided with circulating pump (133) and chemicals dosing plant (134), in described chemicals dosing plant (134), filling the alkali lye for neutralizing solidifying water inner acidic composition.
10. flue gas heat recovery system according to claim 9, is characterized in that: described demist section (11), spray heat exchanging segment (12) and solidifying water collection section (13) between connected in turn by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788948.8U CN205037334U (en) | 2015-10-13 | 2015-10-13 | Residual heat from flue gas utilizes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788948.8U CN205037334U (en) | 2015-10-13 | 2015-10-13 | Residual heat from flue gas utilizes system |
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| Publication Number | Publication Date |
|---|---|
| CN205037334U true CN205037334U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520788948.8U Withdrawn - After Issue CN205037334U (en) | 2015-10-13 | 2015-10-13 | Residual heat from flue gas utilizes system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276600A (en) * | 2015-10-13 | 2016-01-27 | 北京建筑大学 | Flue-gas waste-heat recycling system |
| CN107101218A (en) * | 2017-03-17 | 2017-08-29 | 清华大学 | The compact flue gas depth waste-heat recovery device of efficient low-resistance |
| CN107238097A (en) * | 2017-06-26 | 2017-10-10 | 清华大学 | A kind of boiler smoke-gas residual-heat recovering device |
| CN108654359A (en) * | 2018-05-04 | 2018-10-16 | 梁廷洲 | A kind of SCR denitration catalysis reaction smoke temperature height control device |
| CN110260699A (en) * | 2019-06-14 | 2019-09-20 | 张丹平 | A kind of heat recovery chamber and waste-heat recovery device |
-
2015
- 2015-10-13 CN CN201520788948.8U patent/CN205037334U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276600A (en) * | 2015-10-13 | 2016-01-27 | 北京建筑大学 | Flue-gas waste-heat recycling system |
| CN105276600B (en) * | 2015-10-13 | 2018-07-27 | 北京建筑大学 | A kind of flue gas heat recovery system |
| CN107101218A (en) * | 2017-03-17 | 2017-08-29 | 清华大学 | The compact flue gas depth waste-heat recovery device of efficient low-resistance |
| CN107238097A (en) * | 2017-06-26 | 2017-10-10 | 清华大学 | A kind of boiler smoke-gas residual-heat recovering device |
| CN108654359A (en) * | 2018-05-04 | 2018-10-16 | 梁廷洲 | A kind of SCR denitration catalysis reaction smoke temperature height control device |
| CN110260699A (en) * | 2019-06-14 | 2019-09-20 | 张丹平 | A kind of heat recovery chamber and waste-heat recovery device |
| CN110260699B (en) * | 2019-06-14 | 2023-10-20 | 西安昂步科技发展有限公司 | Heat recovery room and waste heat recovery device |
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