CN201507916U - Recovery device for heat energy of fume of boiler - Google Patents
Recovery device for heat energy of fume of boiler Download PDFInfo
- Publication number
- CN201507916U CN201507916U CN2009203100275U CN200920310027U CN201507916U CN 201507916 U CN201507916 U CN 201507916U CN 2009203100275 U CN2009203100275 U CN 2009203100275U CN 200920310027 U CN200920310027 U CN 200920310027U CN 201507916 U CN201507916 U CN 201507916U
- Authority
- CN
- China
- Prior art keywords
- water tank
- boiler
- heat
- water
- smoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a recovery device for heat energy of fume of a boiler. The recovery device provided by the utility model has simple structure, low cost, high heat-energy recovery rate and good use effect. The recovery device comprises a smoke removal pipeline of the boiler and is characterized in that the smoke removal pipeline of the boiler is connected with a smoke inlet arranged on a water tank; the smoke inlet is connected with one end of a heat exchange pipeline arranged in the water tank; the other end of the heat exchange pipeline is connected with a smoke outlet arranged on the wall of the water tank; a water inlet and a water outlet are arranged on the water tank; the water inlet is connected with the normal-temperature water source; the water outlet is connected with a water return pipe or a drainage valve of the boiler; and at least one segment of the heat exchange pipeline is arranged under the liquid level in the water tank.
Description
Technical field
The utility model relates to a kind for the treatment of apparatus of boiler smoke, relates in particular to a kind of boiler smoke heat-energy recovering apparatus.
Background technology
Boiler application in daily life is very general; and boiler in use tends to produce a large amount of flue gases; the temperature of flue gas generally is between 160 ℃ to 220 ℃; therefore carried lot of energy in the flue gas; if directly be discharged into flue gas in the atmosphere; not only bad for environmental protection, and wasted the heat energy in the flue gas.
Chinese patent: " boiler flue heat recoverer (CN2864389Y) " discloses a kind of boiler flue heat reclaim unit, it comprises valve, housing, circulating water pipe, heat keeper, draining valve and ring flange, it is characterized in that being provided with circulating water pipe at the housing inner chamber, the water inlet of circulating water pipe is connected with inlet valve, flowing water Valve respectively with delivery port, in housing, be provided with gas approach that links to each other with the boiler exhaust gas pipe and the exhanst gas outlet that links to each other with air-introduced machine, gas approach and exhanst gas outlet are the diagonal setting, are provided with heat keeper between two groups of housings.This device is by on the flue of boiler housing being set, and circulating water pipe is set in housing, the water generates heat exchange of high-temperature flue gas when flowing through housing and in the circulating water pipe, water temperature raises, flue-gas temperature reduces, thereby reach the purpose that reclaims heat in the flue gas, but the heat exchange circulating water pipe in this structure is provided in a side of in the housing that is connected with the flue of boiler, absorb heat in the flue gas by the water in the circulating water pipe, for the external environment condition that reduces housing and housing place produces heat exchange, and on housing, installed heat keeper additional, improved the cost of retracting device thus, and the heat exchange between the external environment condition at housing and housing place makes the rate of recovery of device low, weak effect.
Summary of the invention
The utility model has mainly provided a kind of simple in structure, cost is low, heat energy recovery rate is high, result of use is good a kind of boiler smoke heat-energy recovering apparatus.Solved that the retracting device cost height, the heat energy recovery rate that exist in the prior art are low, the technical problem of result of use difference.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of boiler smoke heat-energy recovering apparatus, comprise the boiler exhaust gas pipeline, described boiler exhaust gas pipeline links to each other with the mouth that advances on the water tank, one end of described heat exchanging pipe in advancing mouth and being located at water tank links to each other, the other end of described heat exchanging pipe links to each other with outlet flue on being located at water tank wall, on described water tank, be provided with water inlet and discharge outlet, described water inlet links to each other with the normal temperature water source, described discharge outlet links to each other with boiler blow-down water pipe or draining valve, has at least in the described heat exchanging pipe under one section liquid level of being located in the water tank.By linking to each other of the heat exchanging pipe in boiler exhaust gas pipeline and the water tank, flue gas in the boiler exhaust gas pipeline when advancing mouth and flow through heat exchanging pipe with the water generates heat exchange of depositing in the water tank, temperature raise after water in the water tank absorbed heat, though the interior relative environment temperature of water temperature of water tank this moment increases, but the temperature difference of itself and peripheral environment is much smaller than the temperature difference of boiler exhaust gas pipeline and peripheral environment, therefore the flue gas heat loss seldom, need not install heat-insulation layer additional in the periphery of water tank, simple in structure, cost is low, the heat energy recovery rate height; Link to each other with boiler blow-down water pipe or draining valve with the normal temperature water source respectively with discharge outlet by on water tank, being provided with water inlet again, make in the water tank water with the heat exchanging pipe heat exchange after, link to each other with boiler blow-down water pipe or draining valve by discharge outlet, thereby realization energy recycling, and by water inlet constantly additional normal-temperature water in water tank, the heat energy recovery rate height, result of use is good.
As preferably, described water tank is closed water tank.The heat that closed water tank can reduce water in the water tank scatters and disappears, thereby reduces energy loss, improves the heat energy recycle rate.
As more preferably, liquid level and water tank aspect ratio in the described water tank are between 1: 2 to 4: 5.Water yield circle in the water tank is in 50% to 80% o'clock of water tank capacity, and when guaranteeing the water tank utilization rate, volumetric expansion causes water tank to rise splitting in the time of can guaranteeing that water tank can not raise because of water temperature, thereby causes security incident.
As more preferably, be provided with Pressure gauge and safety valve at the end face of described water tank, the side is provided with water gage and man-hole opening.By on the end face of water tank or side, Pressure gauge, safety valve and water gage being set, pressure and the water level in the monitoring water tank in real time, and when pressure surpasses safety value, unload by safety valve, improve the security reliability of using; By on the side of water tank, man-hole opening being set, can be when needing internal cleaning or maintenance convenient for maintaining personnel's turnover, thereby make ordinary maintenance and safeguard convenient.
As preferably, described heat exchanging pipe is two to ten integral type members that the U-shaped smoke exhaust pipe is in series.Heat exchanging pipe is by being provided with a plurality of U-shaped smoke exhaust pipe tandem compounds, can be in the contact area of the heat exchange water in increasing heat exchanging pipe and water tank, fully absorb the heat in the boiler smoke, improve heat energy recovery rate, link to each other with air-introduced machine at outlet flue and can reduce the flue windage, guarantee that the boiler smoke discharging is smooth and easy; The integral type structure of series connection, simple in structure, cost is low, the convenient installation.
As preferably, described heat exchanging pipe is that two to ten U-shaped smoke exhaust pipes are formed in parallel, and a side opening end of described U-shaped smoke exhaust pipe is by advancing smoke-box and advance mouth and link to each other, and the opposite side openend links to each other with outlet flue by the smoke evacuation chamber.Heat exchanging pipe can increase the contact area of the heat exchange water in heat exchanging pipe and the water tank, thereby can fully absorb the heat in the flue gas by the combination in parallel of a plurality of U-shaped smoke exhaust pipes is set, and improves heat energy recovery rate; The U-shaped smoke exhaust pipe adopts split type structure in parallel, and the space availability ratio height is simple in structure, conveniently uses and keeps in repair.
As more preferably, described U-shaped smoke exhaust pipe is located at the middle part of water tank, and parallel equidistant distributes between the inwall of water tank, when the U-shaped smoke exhaust pipe distributes in water tank middle part parallel equidistant, can make the heat exchange of keeping in balance of water in each U-shaped smoke exhaust pipe and the water tank, thereby the water temperature in the water tank is risen evenly, and recovering effect is good.
As more preferably, the openend of described U-shaped smoke exhaust pipe upwards, and the open end of U-shaped smoke exhaust pipe is located on the liquid level of water tank, between described tank inner wall, be connected with dividing plate, the both-side opening end of described U-shaped smoke exhaust pipe is symmetrically set in the both sides of dividing plate, the upper surface of described dividing plate is connected to the last end face of water tank, and the lower surface is connected to U-shaped smoke exhaust pipe bottom portion of groove.By the open end of U-shaped smoke exhaust pipe upwards is located on the liquid level of water tank, and the space at the both-side opening end place of U-shaped smoke exhaust pipe can be cut off by the dividing plate between the both-side opening end be two independently spaces, with advance that mouth links to each other for advancing smoke-box, what link to each other with outlet flue is the smoke evacuation chamber, and need not again special make smoke-box and smoke evacuation chamber, simplified construction, save cost, conveniently use and keep in repair; Bottom by dividing plate and U-shaped smoke exhaust pipe groove connects, and can play the role of positioning to the U-shaped smoke exhaust pipe, prevents that the U-shaped smoke exhaust pipe from rising or inclination under the buoyancy of water effect, and fixed form is simple and reliable, cost is low.
As preferably, described water inlet is located on the end face of water tank; Described discharge outlet is located on the bottom or bottom sides of water tank.By water inlet being located on the end face of water tank, can make normal-temperature water under low-pressure state, inject water tank fast, improved operating efficiency, and from top to bottom with after heat exchanging pipe fully contacts, discharge outlet on bottom by being located at water tank or the bottom sides is emitted the temperature rise water in the water tank fast according to the pressure at discharge outlet place, thereby when increasing work efficiency, guarantee that also the water of emitting from discharge outlet has carried out sufficient heat exchange with heat exchanging pipe, thereby guaranteed the energy recovery effect.
As preferably, the inside bottom surface of described water tank is the inclined-plane, and the inclination angle of the relative horizontal plane of inside bottom surface is 2 ° to 5 °, is provided with blowoff valve on the water tank side adjacent with described inside bottom surface minimum point.Be set to 2 ° to 5 ° inclined-plane by the inside bottom surface of water tank, when guaranteeing result of use, can make deposit in the water be collected in the lowest point of water tank inside bottom surface, and, blowoff valve discharges impurity in the water tank at any time on the water tank side adjacent with the inside bottom surface minimum point by being set, keep clean water quality, improve the boiler of backflow or the heat exchange effect of this device, improve heat energy recovery rate.
Therefore, a kind of boiler smoke heat-energy recovering apparatus of the present utility model has following advantage: by linking to each other of the heat exchanging pipe in boiler exhaust gas pipeline and the water tank, flow through water generates heat exchange in the flue gas of heat exchanging pipe and the water tank, absorb flue gas heat, the flue gas heat loss is few, need not install heat-insulation layer additional in the periphery of water tank, and is simple in structure, cost is low, the heat energy recovery rate height; Heat exchanging pipe can increase the contact area of the heat exchange water in heat exchanging pipe and the water tank, thereby can improve heat energy recovery rate by a plurality of U-shaped smoke exhaust pipes are set; By the open end of the U-shaped smoke exhaust pipe of parallel connection upwards is located on the liquid level of water tank, and the space at both-side opening end place is cut off for entering smoke-box and smoke evacuation chamber by the dividing plate between openend, and need not again special make smoke-box and smoke evacuation chamber, simplified construction, save cost, conveniently use and keep in repair; Be set to 2 ° to 5 ° inclined-plane by the inside bottom surface of water tank, the deposit in the water is discharged in water tank at any time smoothly by blowoff valve, keep clean water quality, guarantee the boiler that refluxes or the heat exchange effect of device.
Description of drawings:
Fig. 1 is the structural representation of first kind of embodiment of the utility model.
Fig. 2 is the structural representation of second kind of embodiment of the utility model.
Fig. 3 is the A-A view of Fig. 2.
The specific embodiment:
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, a kind of boiler smoke heat-energy recovering apparatus of the present utility model comprises the boiler exhaust gas pipeline 1 that links to each other with boiler 20, and boiler exhaust gas pipeline 1 links to each other with the heat exchanging pipe 7 of water tank 2 inside by the mouth 18 that advances on closed water tank 2 end faces.Heat exchanging pipe 7 is the integral type member that three U-shaped smoke exhaust pipes 8 are in series continuously, its end links to each other with boiler exhaust gas pipeline 1 by the mouth 18 that advances on the water tank 2, the air-introduced machine 22 at outlet flue 19 places links to each other on the other end and water tank 2 end faces, on the end face of water tank 2, be provided with water inlet 3, water inlet 3 links to each other with the normal temperature water source, on the bottom sides of water tank 2, be provided with discharge outlet 4, discharge outlet 4 links to each other with draining valve 6, liquid level 17 in the water tank 2 highly is 4/5ths of water tank 2 height, the U-shaped smoke exhaust pipe 8 of three series connection one is immersed in liquid level 17 times, Pressure gauge 12 and safety valve 13 are housed on the end face of water tank 2, water gage 14 and man-hole opening 21 are equipped with in the side, the inside bottom surface 15 of water tank 2 is that an angle with horizontal plane is 3 ° inclined-plane, on water tank 2 sides adjacent with the inclined-plane minimum point blowoff valve 16 is housed.
Embodiment 2:
As shown in Figures 2 and 3, heat exchanging pipe 7 is the U-shaped smoke exhaust pipe 8 that five openends make progress, five U-shaped smoke exhaust pipes 8 distribute at the middle part of water tank 2 equidistant parallel, the open end of U-shaped smoke exhaust pipe 8 is on the liquid level 17 of water tank 2, between the inwall of the both sides of water tank 2, be connected with dividing plate 11, the both-side opening end symmetry of U-shaped smoke exhaust pipe 8 is located at the both sides of dividing plate 11, the upper surface of dividing plate 11 is connected on the end face of water tank 2, the lower surface is connected to U-shaped smoke exhaust pipe 8 bottom portion of groove, water tank 2 spaces on the liquid level 17 that dividing plate 11 is incited somebody to action are separated into two parts, with advance that mouth 18 links to each other enter smoke-box 9 and the smoke evacuation chamber 10 that links to each other with outlet flue 19, one side opening end of the U-shaped smoke exhaust pipe 8 of five parallel connections is communicated with the mouth that advances on the water tank 2 by advancing smoke-box 9, the opposite side openend is communicated with outlet flue 19 on water tank 2 end faces by smoke evacuation chamber 10, discharge outlet 4 on the water tank 2 links to each other with boiler blow-down water pipe 5, and remainder is identical with embodiment 1.
Specific embodiment described herein only is that design of the present utility model is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (10)
1. boiler smoke heat-energy recovering apparatus, comprise the boiler exhaust gas pipeline, it is characterized in that described boiler exhaust gas pipeline (1) links to each other with the mouth (18) that advances on the water tank (2), one end of described heat exchanging pipe (7) in advancing mouth (18) and being located at water tank (2) links to each other, and the other end of described heat exchanging pipe (7) links to each other with outlet flue (19) on being located at water tank (2) wall; Be provided with water inlet (3) and discharge outlet (4) on described water tank (2), described water inlet (3) links to each other with the normal temperature water source, and described discharge outlet (4) links to each other with boiler blow-down water pipe (5) or draining valve (6); Have at least in the described heat exchanging pipe (7) under one section liquid level (17) of being located in the water tank (2).
2. a kind of boiler smoke heat-energy recovering apparatus according to claim 1 is characterized in that described water tank (2) is closed water tank.
3. a kind of boiler smoke heat-energy recovering apparatus according to claim 2 is characterized in that liquid level (17) height and water tank (2) aspect ratio in the described water tank (2) is between 1: 2 to 4: 5.
4. a kind of boiler smoke heat-energy recovering apparatus according to claim 2 is characterized in that being provided with Pressure gauge (12) and safety valve (13) at the end face of described water tank (2), and the side is provided with water gage (14) and man-hole opening (21).
5. according to each described a kind of boiler smoke heat-energy recovering apparatus in the claim 1 to 4, it is characterized in that described heat exchanging pipe (7) is the integral type member that two to ten U-shaped smoke exhaust pipes (8) are in series, one side opening end with advance mouth (18) and link to each other, the opposite side openend links to each other with air-introduced machine (22) at outlet flue (19).
6. according to each described a kind of boiler smoke heat-energy recovering apparatus in the claim 1 to 4, it is characterized in that described heat exchanging pipe (7) is that two to ten U-shaped smoke exhaust pipes (8) are formed in parallel, one side opening end of described U-shaped smoke exhaust pipe (8) is by advancing smoke-box (9) and advance mouth (18) and link to each other, and the opposite side openend links to each other with outlet flue (19) by smoke evacuation chamber (10).
7. a kind of boiler smoke heat-energy recovering apparatus according to claim 6 is characterized in that described U-shaped smoke exhaust pipe (8) is located at the middle part of water tank (2), and parallel equidistant distributes between the inwall of water tank (2).
8. a kind of boiler smoke heat-energy recovering apparatus according to claim 7, the openend that it is characterized in that described U-shaped smoke exhaust pipe (8) makes progress, and the open end of U-shaped smoke exhaust pipe (8) is located on the liquid level (17) of water tank (2), between described water tank (2) inwall, be connected with dividing plate (11), the both-side opening end of described U-shaped smoke exhaust pipe (8) is symmetrically set in the both sides of dividing plate (11), the upper surface of described dividing plate (11) is connected to the last end face of water tank (2), and the lower surface is connected to U-shaped smoke exhaust pipe (8) bottom portion of groove.
9. according to each described a kind of boiler smoke heat-energy recovering apparatus in the claim 1 to 4, it is characterized in that described water inlet (3) is located on the end face of water tank (2); Described discharge outlet (4) is located on the bottom or bottom sides of water tank (2).
10. according to each described a kind of boiler smoke heat-energy recovering apparatus in the claim 1 to 4, the inside bottom surface (15) that it is characterized in that described water tank (2) is the inclined-plane, inside bottom surface (15) inclination angle of horizontal plane relatively is 2 ° to 5 °, is provided with blowoff valve (16) on water tank (2) side adjacent with described inside bottom surface (15) minimum point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203100275U CN201507916U (en) | 2009-09-10 | 2009-09-10 | Recovery device for heat energy of fume of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203100275U CN201507916U (en) | 2009-09-10 | 2009-09-10 | Recovery device for heat energy of fume of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507916U true CN201507916U (en) | 2010-06-16 |
Family
ID=42469043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203100275U Expired - Fee Related CN201507916U (en) | 2009-09-10 | 2009-09-10 | Recovery device for heat energy of fume of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507916U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252310A (en) * | 2011-05-03 | 2011-11-23 | 鑫海绳网制造有限公司 | Steam engine waste gas heating water tank |
| CN103712338A (en) * | 2013-12-20 | 2014-04-09 | 鞍钢股份有限公司 | Flue gas waste heat utilization equipment and method |
| CN104930840A (en) * | 2015-06-06 | 2015-09-23 | 何小平 | Biomass heat conducting oil furnace tail gas utilization treatment device |
| CN107366896A (en) * | 2017-08-31 | 2017-11-21 | 重庆市万虹饲料有限公司 | A kind of heat energy recycling steam generator system |
| CN110296385A (en) * | 2019-07-23 | 2019-10-01 | 江西振态科技协同创新有限公司 | The boiler heat-energy recycling system and method for ecological sheet material processing |
-
2009
- 2009-09-10 CN CN2009203100275U patent/CN201507916U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252310A (en) * | 2011-05-03 | 2011-11-23 | 鑫海绳网制造有限公司 | Steam engine waste gas heating water tank |
| CN103712338A (en) * | 2013-12-20 | 2014-04-09 | 鞍钢股份有限公司 | Flue gas waste heat utilization equipment and method |
| CN104930840A (en) * | 2015-06-06 | 2015-09-23 | 何小平 | Biomass heat conducting oil furnace tail gas utilization treatment device |
| CN107366896A (en) * | 2017-08-31 | 2017-11-21 | 重庆市万虹饲料有限公司 | A kind of heat energy recycling steam generator system |
| CN110296385A (en) * | 2019-07-23 | 2019-10-01 | 江西振态科技协同创新有限公司 | The boiler heat-energy recycling system and method for ecological sheet material processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201507916U (en) | Recovery device for heat energy of fume of boiler | |
| CN206439810U (en) | A kind of hydrophobic development unit dead steam recovery system | |
| CN113187574A (en) | Waste heat power generation system of ash water true-flashing negative-pressure wet steam turbine of coal gasification device | |
| CN208778054U (en) | Exhaust steam residual heat and condensate recovery device after the matched injector work done of steam turbine | |
| CN207990593U (en) | A kind of Verticle gas fire tube steam boiler revolution vapour chamber | |
| CN207422187U (en) | A kind of steam boiler for processing function of giving up with tail | |
| CN214660404U (en) | Waste heat power generation system of ash water true-flashing negative-pressure wet steam turbine of coal gasification device | |
| CN201575717U (en) | Condensation water recovery device | |
| CN201637287U (en) | Secondary-lead smelting tail-gas waste heat power generation system | |
| CN212537802U (en) | Waste heat and waste water recovery device | |
| CN212227757U (en) | Waste heat utilization device of reaction furnace | |
| CN112815297A (en) | Boiler fixed row continuous waste heat water recovery device | |
| CN111998361A (en) | Enamel pipe heat exchanger system for wet desulphurization flue gas of waste incineration | |
| CN203223905U (en) | Exhaust device and anti-wear device of flue gas waste heat high-efficiency heat exchanger | |
| CN201852484U (en) | Spraying condensation type waste heat recovery device | |
| CN205461604U (en) | Exhaust treatment device of boiler | |
| CN110630995A (en) | Positive pressure horizontal water pipe waste heat boiler | |
| CN201163020Y (en) | Water storage tank of closed circulating phase-change heat distribution system of industrial boiler | |
| CN202382224U (en) | Boiler flue gas waste-heat recovery system | |
| CN111265991A (en) | Flue gas deacidification purification device for waste incineration power generation | |
| CN210772102U (en) | Cold source loss recovery device of thermal power plant | |
| CN218097324U (en) | Pyrolysis gasifier evaporator | |
| CN212252574U (en) | Heat power type energy-saving drainage flash tank | |
| CN201177253Y (en) | Intermittent and continuous residual heat recovery device of boiler | |
| CN212746528U (en) | Fume extractor of power plant boiler top |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20140910 |
|
| EXPY | Termination of patent right or utility model |