CN202012904U - Boiler waste heat recovery system - Google Patents
Boiler waste heat recovery system Download PDFInfo
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- CN202012904U CN202012904U CN2011201039829U CN201120103982U CN202012904U CN 202012904 U CN202012904 U CN 202012904U CN 2011201039829 U CN2011201039829 U CN 2011201039829U CN 201120103982 U CN201120103982 U CN 201120103982U CN 202012904 U CN202012904 U CN 202012904U
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- flue gas
- boiler
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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
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Abstract
The utility model discloses a boiler waste heat recovery system, comprising a boiler (1), a chimney (2), a main smoke flue from a smoke outlet of the boiler (1) to a smoke outlet of the chimney (2), and a boiler smoke and waste heat recovery device (6) which is provided with a cooling water tank; a bypass smoke flue is connected on the main smoke flue, a draught fan (7) and the boiler smoke waste heat recovery device (6) are serially connected on the bypass smoke flue, and a change-over valve (3) arranged on the main smoke flue for enabling the boiler smoke to pass through from one of the main smoke flue and the bypass smoke flue. Compared with the existing boiler waste heat recovery system, the boiler waste heat recovery system solves the problems that the waste heat recovery rate of the existing boiler waste heat recovery system is low, the existing boiler waste heat recovery system is inconvenient to maintain, and the boiler operation needs to be stopped when the boiler smoke and waste heat recovery device has a fault.
Description
Technical field
The utility model relates to heat transmission equipment manufacturing and applied technical field, especially a kind of gas fired-boiler flue gas waste heat recovery system.
Background technology
The fuel of gas fired-boiler is generally natural gas, and its main component is a methane, and the burning back generates a large amount of water vapours, and the flue gas water content is about 20%, and its exhaust gas heat loss's disalignment not only has a large amount of sensible heat loss, also has the loss of the water vapour latent heat of vaporization.Middle-size and small-size gas fired-boiler afterbody is not furnished with heat transmission equipment usually, and exhaust gas temperature is generally 170-210 ℃, and the waste heat recovery potentiality are bigger, but at present the waste heat recovery of gas fired-boiler still is difficult to apply.Its reason mainly contains two large problems; The one, the organic efficiency of waste-heat recovery device is not high enough, safeguards inconvenience; The 2nd, the connected system of gas fired-boiler flue gas waste heat recovery device and gas fired-boiler is unreasonable, and not only organic efficiency is not high enough, and difficult in maintenance, and these reasons cause the heat recovery technology of gas fired-boiler to be difficult to promote the use of, and cause the waste of natural resources.
The typical structure of the residual heat from boiler fume recover in the existing boiler afterheat recovery system is just like " combined type heat pipe flue gas condensing energy-saving appliance " (patent announcement CN201059900, May 14 2008 Granted publication day), this energy-saving appliance comprises evaporation tank, cooling cylinder, tube connector, condensate liquid is collected tapping equipment four parts, in the evaporation tank is serpentine coil, in the cooling cylinder is serpentine coil, tube connector is divided into tedge and down-comer, they couple together the finned tube in evaporation tank and the cooling cylinder, condensate liquid is collected tapping equipment and is arranged on the evaporation tank bottom, main condensate water of collecting in the discharging evaporation tank.This combined type heat pipe flue gas condensing energy-saving appliance exists the thermodynamic medium flow path long, the heat exchange effect is undesirable, and the part of its heat exchanger tube in the flue gas case all adopt finned tube not only can cause the flue gas resistance of gas fired-boiler decrease big, influence flowing down of its condensed water, and can increase production cost.
The boiler afterheat recovery system, its organization plan is to carry out flue gas waste heat recovery at the boiler exhaust gas mouth to directly being connected in series gas fired-boiler flue gas waste heat recovery device between the chimney breast mostly, this mode is because the flue gas resistance that the residual heat from boiler fume recover is discharged boiler is bigger, can produce certain influence to the burning condition of boiler internal; The residual heat from boiler fume recover directly is serially connected in the boiler exhaust gas mouth between the chimney breast, also is not easy to the residual heat from boiler fume recover is safeguarded cleaning, waste-heat recovery device safeguards that cleaning still needs the gas fired-boiler shut-down just can be carried out.
The utility model content
Problem to be solved in the utility model provides a kind of boiler afterheat recovery system, the waste heat recovery rate that it can solve existing boiler afterheat recovery system is low, safeguard inconvenience, and when the residual heat from boiler fume recover breaks down, need stop the problem that boiler operatiopn is keeped in repair.
In order to address the above problem, the technical solution of the utility model is: this boiler afterheat recovery system includes boiler, chimney, from the boiler outlet flue with to the flue collector of outlet of chimney, and the residual heat from boiler fume recover that wherein is provided with cooling water tank, be connected with a bypass flue on the described flue collector, on this bypass flue, be serially connected with air-introduced machine and described residual heat from boiler fume recover, described boiler smoke selected a switch valve that passes through being provided with on the described flue collector between described flue collector and described bypass flue.
In the technical scheme of above-mentioned boiler afterheat recovery system, scheme can also be more specifically: described switch valve is contained between two interfaces of described bypass flue and described flue collector; At the flue branch road two ends that described residual heat from boiler fume recover and described air-introduced machine are in series Flue valve is housed all; this structure can utilize the effect of air-introduced machine to offset the exhaust resistance of residual heat from boiler fume recover to boiler smoke; the burning condition that keeps boiler internal to adhere to specification; and when needs are safeguarded the residual heat from boiler fume recover; directly when chimney breast discharges, close the bypass flue by switch valve conversion boiler smoke, allow the attendant under the non-stop-machine situation of boiler, safeguard the residual heat from boiler fume recover by flue collector.
In the technical scheme of above-mentioned boiler afterheat recovery system, its water route structure can be: an attemperater is arranged, this attemperater is by pipeline and be connected on water pump on the pipeline and the cooling water tank of described residual heat from boiler fume recover is connected into a cooling water circulation loop, utilize this cooling water circulation loop, can be with the water in the heat heat tracing water tank of residual heat from boiler fume recover cooling pan kiln gas; A water inlet of the cooling water tank of described residual heat from boiler fume recover is a cooling water inlet, a water outlet of described attemperater is a hot water outlet, this hot water outlet is connected with the water inlet of described boiler, delivers to after this structure can heat the cold water that enters the residual heat from boiler fume recover and produces steam in the boiler; In described cooling water circulation loop, between the water inlet of the cooling water tank of described residual heat from boiler fume recover and delivery port, can also be parallel with one by cleaning water tank, flushing water pump and clean the cleaning branch road that the series connection of branch road stop valve constitutes; In the described cooling water circulation loop the delivery port of described attemperater between the described cleaning tributary interface and the water inlet of described attemperater between the described cleaning tributary interface separation valve door is housed all, close this two valves, open and clean the branch road stop valve, start flushing water pump, can utilize the cleaning agent that cleans in the water tank that the cooling water tank of residual heat from boiler fume recover is carried out wash cycles and scale removal.
In the technical scheme of above-mentioned boiler afterheat recovery system, described residual heat from boiler fume recover can adopt following technical proposal: it includes the flue gas case of being separated by dividing plate and is located at the cooling water tank of this flue gas case top, inner sealing has the heat exchanger tube of thermodynamic medium, and described heat exchanger tube is divided into sensible heat transfer pipe and latent heat heat exchanger tube; Described sensible heat transfer pipe has many, these sensible heat transfer pipes pass described dividing plate setting and are arranged in described flue gas case and the described cooling water tank, the hypomere of these sensible heat transfer pipes is distributed in a section of close air inlet in described flue gas case, the outside of the part of described sensible heat transfer pipe in described flue gas case is provided with heat exchange fin; Described latent heat heat exchanger tube has many, and these latent heat heat exchanger tubes pass described dividing plate setting and are arranged in described flue gas case and the described cooling water tank, and the hypomere of these latent heat heat exchanger tubes is distributed in a section near the gas outlet in described flue gas case; The side of described flue gas case is provided with the maintenance test door, and this organization plan can be so that the flow resistance of boiler smoke be littler, and the heat exchanger effectiveness of flue gas case and cooling water tank is higher, and convenient maintenance to the flue gas case.
The utility model is compared with existing boiler afterheat recovery system has following effect:
1, no matter the flue gas emission of boiler is got involved or stayed out of to the residual heat from boiler fume recover, all can remain unchanged to the burning condition of boiler internal;
2, the residual heat from boiler fume recover is easy to maintenance, shuts down and can safeguard the residual heat from boiler fume recover without boiler, and the maintenance of residual heat from boiler fume recover can not influence the ordinary production running of boiler;
3, the rate of recovery height of boiler afterheat, gas fired-boiler afterbody can be reduced to exhaust gas temperature 70 ℃ after adopting this energy-saving appliance.
Description of drawings
Fig. 1 is the structural representation of boiler smoke pipeline among the utility model embodiment;
Fig. 2 is the structural representation of cooling water channel among the utility model embodiment;
Fig. 3 is the front view of residual heat from boiler fume recover among the utility model embodiment;
Fig. 4 is the cutaway view at A-A place among Fig. 3.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified:
Boiler afterheat recovery system shown in Figure 1 has a gas fired-boiler 1, flue collector from the outlet flue of gas fired-boiler 1 to the outlet flue of chimney 2 is connected with a bypass flue in the bottom of chimney 2, this bypass flue is in series with Flue valve 4, residual heat from boiler fume recover 6, air-introduced machine 7, Flue valve 8 successively by tracheae 5 and constitutes, and between two interfaces of the flue collector of bypass flue and chimney 2 bottoms switch valve 3 is housed. Close Flue valve 4,8, open switch valve 3, the flue gas that can control gas fired-boiler 1 directly from chimney 2 to airborne release, this fume emission pattern can be safeguarded residual heat from boiler fume recover 6 when gas fired-boiler 1 work; Open Flue valve 4,8, close switch valve 3, the flue gas that can control gas fired-boiler 1 is from bypass flue process residual heat from boiler fume recover 6, air-introduced machine 7, tracheae 5 returns the top of chimney 2, and pass through chimney 2 to airborne release, this fume emission pattern can make the heat in the flue gas be recycled, by control air-introduced machine 7 and Flue valve 4,8 aperture, the burning condition and the aforementioned flue gas of gas fired-boiler 1 inside are consistent by chimney 2 direct dischargings, especially can adopt microcomputer to gas fired-boiler 1, Flue valve 4,8 and air-introduced machine 7 controlled simultaneously, make it the burning condition that reaches good, obtain most economical boiler for producing.
Shown in Figure 2, the water route structure of this boiler afterheat recovery system is, cold water enters from a water inlet of the cooling water tank of residual heat from boiler fume recover 6, discharge from a top delivery port of the cooling water tank 6 of waste-heat recoverer, and flow in the attemperater 18 by pipeline and stop valve, a delivery port of attemperater 18 is by stop valve 24, water pump 23, check-valves 21, stop valve 20,12 are communicated with the mouth of a river, a bottom of the cooling water tank of residual heat from boiler fume recover 6, this loop makes the attemperater 18 and the cooling water tank of residual heat from boiler fume recover 6 be connected into a cooling water circulation loop, effect by water pump 23, make the cooling water tank of residual heat from boiler fume recover 6 constantly entered attemperater 18 in the circulation by the warmed-up water of boiler smoke, the water that attemperater 18 has been heated is connected with the water inlet of water pipe with gas fired-boiler 1 by its delivery port, in gas fired-boiler 1, replenish hot water, make that the hot device of flue gas of gas fired-boiler 1 is recycled, in this cooling water circulation loop, between the water inlet of the cooling water tank of residual heat from boiler fume recover 6 and delivery port, be parallel with one by cleaning water tank 15, flushing water pump 14 and cleaning branch road stop valve 13, the cleaning branch road that 16 series connection constitute, correspondingly, between this cleaning tributary interface, separation valve door 12 is housed at attemperater 18 delivery ports in the cooling water circulation loop, to cleaning separation valve door 17 is housed between the tributary interface at attemperater 18 water inlets.Close separation valve door 12,17, open and clean branch road stop valve 13,16, start flushing water pump 14, can utilize the cleaning agent that cleans in the water tank that the cooling water tank of residual heat from boiler fume recover is carried out wash cycles and scale removal, this pattern is cleaned repeatedly the timing of short time and is cleaned, do not need gas fired-boiler to shut down, even do not need residual heat from boiler fume recover 6 is withdrawed from take-back model, this cleaning also can be cleaned its cooling water tank when residual heat from boiler fume recover 6 withdraws from take-back model for a long time by Artificial Control; Open separation valve door 12,17, close and clean branch road stop valve 13,16 and flushing water pump 14, can be isolated with the cooling water circulation loop that cooling water tank by attemperater 18 and residual heat from boiler fume recover 6 is connected into cleaning branch road, allow the residual heat from boiler fume recover 6 continuously with the water in the flue gas heat heat tracing water tank 18 of gas fired-boiler 1, and the water that this part has been heated mended in the gas fired-boiler 1 be used.
Fig. 3, residual heat from boiler fume recover 6 shown in Figure 4 has a flue gas case 602 that is contained on the foot rest 601, the left port of flue gas case 602 is to be used for the gas approach that is connected with the gas fired-boiler outlet flue, right output port is the exhanst gas outlet of flue gas case 602, the bottom of flue gas case 602 is provided with hot well, at the bottom of hot well, be provided with discharge outlet 613, the outside of flue gas case 602 also is provided with heat-insulation layer 614, two sides are provided with the maintenance test door 615 of safeguarding usefulness, flue gas case 602 tops are provided with cooling water tank 607, cooling water tank 607 is provided with relief valve connection 610 and sewage draining exit 604 and water inlet 612, the delivery port 606 of cooling water tank 607 is located at the top of water inlet 612, the outside of cooling water tank 607 also be with the insulation shell 609, between flue gas case 602 and the cooling water tank 607 only across dividing plate 608; There are 60 sensible heat transfer pipes 605 to be installed in flue gas case 602 and the cooling water tank 607, in flue gas case 602 near a section of flue gas case 602 gas approach, sensible heat transfer pipe 605 is by one section straight metal steel pipe and be encapsulated in that the water as thermodynamic medium constitutes in the metal steel pipe, each root sensible heat transfer pipe 605 all passes dividing plate 608 and erects setting, its lower section is in flue gas case 602, epimere is in the cooling water tank 607, sensible heat transfer pipe 605 makes relative sealing between flue gas case 602 and the cooling water tank 607 with dividing plate 608 welding, the outside that each root sensible heat transfer pipe 605 is positioned at flue gas case 602 all is welded with heat exchange fin 603, these sensible heat transfer pipes 605 are mainly used in the sensible heat that absorbs in the flue gas, even flue gas obtains cooling and lowers the temperature; Other has 94 latent heat heat exchanger tubes 611 to be installed in flue gas case 602 and the cooling water tank 607, in flue gas case 602 near a section of exhanst gas outlet, latent heat heat exchanger tube 611 is by one section straight metal steel pipe and be encapsulated in that the water as thermodynamic medium constitutes in the metal steel pipe, each root latent heat heat exchanger tube 611 all passes dividing plate 608 and erects setting, its lower section is in flue gas case 602, epimere is in the cooling water tank 607, latent heat heat exchanger tube 611 makes relative sealing between flue gas case 602 and the cooling water tank 607 with dividing plate 608 welding, the outside that latent heat heat exchanger tube 611 is positioned at flue gas case 602 is smooth pipe face, these latent heat heat exchanger tubes 611 are mainly used in the latent heat that absorbs in the flue gas, it is further cooled flue gas, make the hydrone release heat and be condensed into water on the latent heat heat exchanger tube 611 of flue gas case 602 as far as possible in the flue gas, it is bigger than the distribution density of sensible heat transfer pipe 605 in flue gas case 602 that latent heat heat exchanger tube 611 in flue gas case 602 is provided with distribution density, but not at the outside of latent heat heat exchanger tube 611 dress heat exchange fin, water with condensation in the flue gas in time flows down, and allows follow-up flue gas in time obtain cooling off release heat from the tube wall of latent heat heat exchanger tube 611.This residual heat from boiler fume recover is born the parts that contact sealing with water, gas and is adopted the metal material manufacturing, and when adopting the carbon element steel to make, its outer surface all adopts anti-corrosion treatment such as plating.This residual heat from boiler fume recover 6 can effectively reduce the pressure loss that the flue gas of gas fired-boiler 1 is flowed at residual heat from boiler fume recover 6, and has very high heat exchange performance, makes the recovery of the waste heat of native system obtain the very high rate of recovery.
Claims (9)
1. boiler afterheat recovery system, include boiler (1), chimney (2), from boiler (1) outlet flue with to the flue collector of chimney (2) outlet flue, and the residual heat from boiler fume recover (6) that wherein is provided with cooling water tank, it is characterized in that: be connected with a bypass flue on the described flue collector, on this bypass flue, be serially connected with air-introduced machine (7) and described residual heat from boiler fume recover (6), described boiler smoke selected a switch valve that passes through (3) being provided with on the described flue collector between described flue collector and described bypass flue.
2. boiler afterheat recovery system according to claim 1 is characterized in that: described switch valve (3) is contained between two interfaces of described bypass flue and described flue collector; At the flue branch road two ends that described residual heat from boiler fume recover (6) and described air-introduced machine (7) are in series Flue valve (4,8) is housed all.
3. boiler afterheat recovery system according to claim 1 and 2, it is characterized in that: an attemperater (18) is arranged, and this attemperater (18) is connected into a cooling water circulation loop by pipeline and the cooling water tank that is connected on water pump (23) and described residual heat from boiler fume recover (6) on the pipeline; A water inlet of the cooling water tank of described residual heat from boiler fume recover (6) is a cooling water inlet, and a water outlet of described attemperater (18) is a hot water outlet, and this hot water outlet is connected with the water inlet of described boiler (1).
4. boiler afterheat recovery system according to claim 1 and 2, it is characterized in that: in described cooling water circulation loop, between the water inlet of the cooling water tank of described residual heat from boiler fume recover (6) and delivery port, be parallel with one by cleaning water tank (15), flushing water pump (14) and clean the cleaning branch road of branch road stop valve (13) series connection formation; In the described cooling water circulation loop the delivery port of described attemperater (18) between the described cleaning tributary interface and the water inlet of described attemperater (18) between the described cleaning tributary interface separation valve door (12,17) is housed all.
5. boiler afterheat recovery system according to claim 3, it is characterized in that: in described cooling water circulation loop, between the water inlet of the cooling water tank of described residual heat from boiler fume recover (6) and delivery port, be parallel with one by cleaning water tank (15), flushing water pump (14) and clean the cleaning branch road of branch road stop valve (13) series connection formation; In the described cooling water circulation loop described attemperater (18) delivery port between the described cleaning tributary interface and described attemperater water inlet between the described cleaning tributary interface separation valve door (12,17) is housed all.
6. boiler afterheat recovery system according to claim 1 and 2, it is characterized in that: described residual heat from boiler fume recover (6), include the flue gas case of separating by dividing plate (608) (602) and be located at cooling water tank (607) above this flue gas case (602), inner sealing has the heat exchanger tube of thermodynamic medium, and described heat exchanger tube is divided into sensible heat transfer pipe (605) and latent heat heat exchanger tube (611); Described sensible heat transfer pipe (605) has many, these sensible heat transfer pipes (605) pass described dividing plate (608) setting and are arranged in described flue gas case (602) and the described cooling water tank (607), the hypomere of these sensible heat transfer pipes (605) is distributed in a section of close air inlet in described flue gas case (602), the outside of the part of described sensible heat transfer pipe (605) in described flue gas case (602) is provided with heat exchange fin (603); Described latent heat heat exchanger tube (611) has many, these latent heat heat exchanger tubes (611) pass described dividing plate (608) setting and are arranged in described flue gas case (602) and the described cooling water tank (607), and the hypomere of these latent heat heat exchanger tubes (611) is distributed in a section near the gas outlet in described flue gas case (602); The side of described flue gas case (602) is provided with maintenance test door (615).
7. boiler afterheat recovery system according to claim 3, it is characterized in that: described residual heat from boiler fume recover (6), include the flue gas case of separating by dividing plate (608) (602) and be located at cooling water tank (607) above this flue gas case (602), inner sealing has the heat exchanger tube of thermodynamic medium, and described heat exchanger tube is divided into sensible heat transfer pipe (605) and latent heat heat exchanger tube (611); Described sensible heat transfer pipe (605) has many, these sensible heat transfer pipes (605) pass described dividing plate (608) setting and are arranged in described flue gas case (602) and the described cooling water tank (607), the hypomere of these sensible heat transfer pipes (605) is distributed in a section of close air inlet in described flue gas case (602), the outside of the part of described sensible heat transfer pipe (605) in described flue gas case (602) is provided with heat exchange fin (603); Described latent heat heat exchanger tube (611) has many, these latent heat heat exchanger tubes (611) pass described dividing plate (608) setting and are arranged in described flue gas case (602) and the described cooling water tank (607), and the hypomere of these latent heat heat exchanger tubes (611) is distributed in a section near the gas outlet in described flue gas case (602); The side of described flue gas case (602) is provided with maintenance test door (615).
8. boiler afterheat recovery system according to claim 4, it is characterized in that: described residual heat from boiler fume recover (6), include the flue gas case of separating by dividing plate (608) (602) and be located at cooling water tank (607) above this flue gas case (602), inner sealing has the heat exchanger tube of thermodynamic medium, and described heat exchanger tube is divided into sensible heat transfer pipe (605) and latent heat heat exchanger tube (611); Described sensible heat transfer pipe (605) has many, these sensible heat transfer pipes (605) pass described dividing plate (608) setting and are arranged in described flue gas case (602) and the described cooling water tank (607), the hypomere of these sensible heat transfer pipes (605) is distributed in a section of close air inlet in described flue gas case (602), the outside of the part of described sensible heat transfer pipe (605) in described flue gas case (602) is provided with heat exchange fin (603); Described latent heat heat exchanger tube (611) has many, these latent heat heat exchanger tubes (611) pass described dividing plate (608) setting and are arranged in described flue gas case (602) and the described cooling water tank (607), and the hypomere of these latent heat heat exchanger tubes (611) is distributed in a section near the gas outlet in described flue gas case (602); The side of described flue gas case (602) is provided with maintenance test door (615).
9. boiler afterheat recovery system according to claim 5, it is characterized in that: described residual heat from boiler fume recover (6), include the flue gas case of separating by dividing plate (608) (602) and be located at cooling water tank (607) above this flue gas case (602), inner sealing has the heat exchanger tube of thermodynamic medium, and described heat exchanger tube is divided into sensible heat transfer pipe (605) and latent heat heat exchanger tube (611); Described sensible heat transfer pipe (605) has many, these sensible heat transfer pipes (605) pass described dividing plate (608) setting and are arranged in described flue gas case (602) and the described cooling water tank (607), the hypomere of these sensible heat transfer pipes (605) is distributed in a section of close air inlet in described flue gas case (602), the outside of the part of described sensible heat transfer pipe (605) in described flue gas case (602) is provided with heat exchange fin (603); Described latent heat heat exchanger tube (611) has many, these latent heat heat exchanger tubes (611) pass described dividing plate (608) setting and are arranged in described flue gas case (602) and the described cooling water tank (607), and the hypomere of these latent heat heat exchanger tubes (611) is distributed in a section near the gas outlet in described flue gas case (602); The side of described flue gas case (602) is provided with maintenance test door (615).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201039829U CN202012904U (en) | 2011-04-11 | 2011-04-11 | Boiler waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201039829U CN202012904U (en) | 2011-04-11 | 2011-04-11 | Boiler waste heat recovery system |
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| CN202012904U true CN202012904U (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201039829U Expired - Fee Related CN202012904U (en) | 2011-04-11 | 2011-04-11 | Boiler waste heat recovery system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183007A (en) * | 2011-04-11 | 2011-09-14 | 广西志远节能环保设备有限公司 | Waste heat recovering system of boiler |
| CN103499082A (en) * | 2013-10-11 | 2014-01-08 | 金川集团股份有限公司 | System and method for recovering flue gas waste heat in smelting flue gas acid making process |
| CN106403628A (en) * | 2016-10-31 | 2017-02-15 | 中国科学院广州能源研究所 | Low grade residual heat continuous recycle system for kiln |
| CN107202336A (en) * | 2017-06-12 | 2017-09-26 | 上海交通大学 | A kind of eco-agricuhure system based on gas fired-boiler flue gas heat recovery |
| CN109058956A (en) * | 2018-05-07 | 2018-12-21 | 浙江天英环保科技有限公司 | Flue gas heat exchanger |
| CN110107882A (en) * | 2019-05-31 | 2019-08-09 | 德润鑫鼎(北京)工程技术有限公司 | A kind of steam waste-heat recovery device for boiler combustion system |
-
2011
- 2011-04-11 CN CN2011201039829U patent/CN202012904U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183007A (en) * | 2011-04-11 | 2011-09-14 | 广西志远节能环保设备有限公司 | Waste heat recovering system of boiler |
| CN103499082A (en) * | 2013-10-11 | 2014-01-08 | 金川集团股份有限公司 | System and method for recovering flue gas waste heat in smelting flue gas acid making process |
| CN103499082B (en) * | 2013-10-11 | 2015-04-15 | 金川集团股份有限公司 | System and method for recovering flue gas waste heat in smelting flue gas acid making process |
| CN106403628A (en) * | 2016-10-31 | 2017-02-15 | 中国科学院广州能源研究所 | Low grade residual heat continuous recycle system for kiln |
| CN107202336A (en) * | 2017-06-12 | 2017-09-26 | 上海交通大学 | A kind of eco-agricuhure system based on gas fired-boiler flue gas heat recovery |
| CN109058956A (en) * | 2018-05-07 | 2018-12-21 | 浙江天英环保科技有限公司 | Flue gas heat exchanger |
| CN110107882A (en) * | 2019-05-31 | 2019-08-09 | 德润鑫鼎(北京)工程技术有限公司 | A kind of steam waste-heat recovery device for boiler combustion system |
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