CN202511309U - Smoke spraying purification and heat recovery system for coal-fired boiler - Google Patents
Smoke spraying purification and heat recovery system for coal-fired boiler Download PDFInfo
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- CN202511309U CN202511309U CN2011205753911U CN201120575391U CN202511309U CN 202511309 U CN202511309 U CN 202511309U CN 2011205753911 U CN2011205753911 U CN 2011205753911U CN 201120575391 U CN201120575391 U CN 201120575391U CN 202511309 U CN202511309 U CN 202511309U
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Abstract
A smoke spraying purification and heat recovery system for a coal-fired boiler belongs to the configuration field of smoke or waste gas treating device, and comprises a control system, wherein a partition plate is arranged in the inner cavity of a smoke sedimentation chamber, discharge flues of the coal-fired boilers are vertically communicated with a lower cavity, each discharge flue is connected with a residual heat recovery device and an ash separator, a smoke filter net is arranged in the inner cavity of the smoke sedimentation chamber on the right of the partition plate, the right end of the smoke sedimentation chamber is communicated with a spraying chamber, the right end of the spraying chamber is communicated with a lengthened cooling flue which is communicated with a chimney, the inner cavities of the smoke sedimentation chamber and the lengthened cooling flue are respectively provided with a temperature controller connected with the control system, the spraying chamber is connected with a water treatment system by a plurality of recovery water pipes, and the inner cavity of the spraying chamber extends in a plurality of water inlet pipes on which a plurality of spray nozzles are arranged respectively. The system is simple and convenient to manage, and can safely and reliably absorb heat emitted by the coal-fired boilers, reduce heat pollution, and ash pollution and sulfide pollution in smoke, and enable emitted smoke to basically achieve harmless emission.
Description
Technical field
The utility model relates to the configuring technical field of smoke treatment or exhaust device, relates to a kind of fire coal boiler fume spray cleaning and heat recovery system specifically.
Background technology
The energy resource structure of China, still with the contamination type energy---coal is main.The pollution of coal-burning boiler, except fortune coal, lime-ash polluted ambient contamination, the flying dust of road and storage space, fume emission was maximum pollution.When the general industry coal-burning boiler manufactured and designed, for fear of back-end surfaces corrosion with cause ash stifled, also for the further after-flame of flying dust, the standard state exhaust gas temperature generally was not less than 180 ℃, and high reaches 250 ℃.The high-temperature flue gas discharging has not only caused a large amount of thermal waste, has also polluted environment simultaneously, so generally all can increase equipment such as economizer, deduster, makes exhaust gas temperature drop to below 200 ℃, and soot emissions drop in the discharge standard.But the exhaust gas temperature through behind the economizer still has available value, and soot emissions still have reducible space.And exhaust gas temperature is too high, has also caused the boiler thermal output reduction.
All in vain the dischargings of the condensed water of boiler blow-off, equipment, this part water yield and heat are all very considerable, and very high value is arranged.
The utility model content
The purpose of the utility model provides a kind of fire coal boiler fume spray cleaning and heat recovery system; Its system management is simple and convenient; Heat that can safe and reliable recovery discharged from coal-fired boiler; And pollutions such as the dust in removing smoke, sulfide, nitride make discharged flue gas reach innoxious discharging basically.
In order to realize such scheme; The technical solution of the utility model is: a kind of fire coal boiler fume spray cleaning and heat recovery system; Comprising some coal-burning boilers, control system and labyrinth type dust chamber, the inner chamber of said dust chamber is provided with the dividing plate that dust chamber is divided into first and second backhaul flue, and said first and second backhaul flue communicates; The smokejack of said coal-burning boiler communicates with the said first backhaul flue; All be connected with waste-heat recovery device and deduster on the said smokejack, be positioned on the inner chamber of right-hand dust chamber of said dividing plate the filtrating smoke dust net is installed, the right-hand member of said dust chamber is communicated with the left end of spray chamber; The right-hand member of said spray chamber is communicated with the left end that labyrinth type prolongs cooling stack; The other end of said prolongation cooling stack is communicated with chimney, and the inner chamber of said dust chamber is respectively equipped with first and second temperature controller that is connected with the control system with the inner chamber that prolongs cooling stack, and said spray chamber is connected with water treatment system through several return water pipes; Said spray chamber inner chamber stretches into several water inlet pipes, is separately installed with several nozzles on the said water inlet pipe.
The utility model fire coal boiler fume spray cleaning and heat recovery system; Wherein on the inner chamber of the dust chamber between said dividing plate and the filtrating smoke dust net, be provided with several first smoke deflectors, the inner chamber of said prolongation cooling stack is provided with several second smoke deflectors.
The utility model fire coal boiler fume spray cleaning and heat recovery system; Wherein each said nozzle is the high pressure fine atomizing nozzle; Said water inlet pipe is set to several, and several said nozzles are the spray formula is arranged on the said water inlet pipe, and said water inlet pipe stretches into left and right of spray chamber inner chamber.
The utility model fire coal boiler fume spray cleaning and heat recovery system; Wherein said water treatment system comprises mortar sedimentation pond; Said mortar sedimentation pond is communicated with the other end of said return water pipe, and said mortar sedimentation pond is communicated with the inner chamber in secondary sedimentation pond through overflow pipe, and said secondary sedimentation pond is communicated with the inner chamber of clear water reserviors through overflow pipe; Said clear water reserviors are communicated with through the inner chamber of overflow pipe with the discharging pond; Said clear water reserviors are communicated with the inner chamber of said spray chamber through drinking-water pipe, are parallel with several spray water pumps on the said drinking-water pipe, and said spray water pump is connected with the control system respectively; Said spray water pump is connected with return duct to the pipeline between the spray chamber; The other end of said return duct feeds clear water reserviors, and the 3rd electric control valve is installed on the said return duct, and said the 3rd electric control valve is connected with said control system; The other end of said drinking-water pipe is communicated with each said water inlet pipe; Said coal-burning boiler is communicated with mortar sedimentation pond through blowdown and condensed water recovery tube, the inner chamber in the inner chamber of the inner chamber in said mortar sedimentation pond, the inner chamber in secondary sedimentation pond, clear water reserviors and discharging pond be respectively equipped with third and fourth, five, six temperature controllers, said third and fourth, five, six temperature controllers are connected with said control system respectively.
The utility model fire coal boiler fume spray cleaning and heat recovery system, upper end, wherein said mortar sedimentation pond connects water receiving pipe, and said water receiving pipe upper end is equipped with device for collecting rain water, on the said water receiving pipe filter is installed.
The utility model fire coal boiler fume spray cleaning and heat recovery system; The inner chamber of wherein said clear water reserviors is placed with the waste heat recovery coil pipe; One end of said waste heat recovery coil pipe and demineralized water or running water are connected; The other end is communicated with boiler feedwater or domestic hot-water, connects on the said waste heat recovery coil pipe of boiler feedwater or domestic hot-water end first electric control valve is installed, and said first electric control valve is connected with said control system.
The utility model fire coal boiler fume spray cleaning and heat recovery system, the inner chamber of wherein said clear water reserviors is communicated with the greening water pipe, on the said greening water pipe suction pump is installed, and said suction pump is connected with said control system.
The utility model fire coal boiler fume spray cleaning and heat recovery system; Wherein said clear water reserviors are respectively equipped with dosing mouth with the upper end in discharging pond; The bottom in said discharging pond connects drainpipe; Second electric control valve is installed on the said drainpipe, and said second electric control valve is connected with said control system.
After adopting such scheme, the utility model fire coal boiler fume spray cleaning and heat recovery system be through being provided with waste-heat recovery device and deduster on the coal-burning boiler smokejack, and the heat of the flue gas that goes out from boiler emission is reduced; And remove a part of bulky grain dust, waste-heat recovery device can be used as the heat that reclaims among boiler feedwater or the domestic hot-water and using, and improves boiler thermal output; The first backhaul flue that flue gas that comes out from smokejack and dust get into labyrinth type dust chamber inner chamber again gets into the second backhaul flue afterwards again, and a part of dust is fallen under gravity and effect of inertia; Make flue gas and dust separation, pass through the filtrating smoke dust net again, the dust major part all is blocked in the labyrinth type dust chamber; Come out to get into the flue gas in the spray chamber from dust chamber again and contain small amount of dust; Spray through nozzle thoroughly separates the small amount of dust in the flue gas with flue gas, be dissolved in getting in the water treatment system in the shower water handling; And with the water-soluble removal of most of pernicious gas; The flue gas that comes out from spray chamber prolongs cooling stack through labyrinth type at last, the moisture in the flue gas is separated, the heat of the recovery discharged from coal-fired boiler that the utility model fire coal boiler fume spray cleaning and heat recovery system are safe and reliable with flue gas; Pollutions such as the dust in removing smoke, carbon monoxide, carbon dioxide, sulfide, nitride; Make discharged flue gas reach innoxious discharging basically, its system management is simple and convenient, and is safe and reliable to operation.
Description of drawings
Fig. 1 is the structural representation of the utility model fire coal boiler fume spray cleaning and heat recovery system.
The specific embodiment
As shown in Figure 1, the utility model fire coal boiler fume spray cleaning and heat recovery system comprise the control system 2 of two coal-burning boilers of control, 1 work, the labyrinth type dust chamber 4 that is connected with the smokejack 3 of two coal-burning boilers 1.
Two smokejacks 3 all adopt liner acid-proof cement, all connect waste-heat recovery device 5 and deduster 6 on two smokejacks 3.
The inner chamber of labyrinth type dust chamber 4 is processed with the dividing plate 7 that is divided into the first backhaul flue 35 and the second backhaul flue 36.The first backhaul flue 35 communicates with the second backhaul flue 36, and two smokejacks 3 communicate with the first backhaul flue 35 respectively.Be positioned on the internal chamber wall of the second backhaul flue 36 and be processed with several first smoke deflectors 15.Be positioned on the bore passages of right-hand labyrinth type dust chamber 4 of first smoke deflector 15 and be vertically installed with filtrating smoke dust net 8.
The right-hand member of labyrinth type cigarette dust chamber 4 is communicated with the left end of spray chamber 9, and the right-hand member of spray chamber 9 is communicated with the end that labyrinth type prolongs cooling stack 11, and the other end that labyrinth type prolongs cooling stack 11 is communicated with chimney.Be processed with several second smoke deflectors 16 on the inner chamber of labyrinth type prolongation cooling stack 11.
Water treatment system comprises and is arranged at outdoor mortar sedimentation pond 17, secondary sedimentation pond 18, clear water reserviors 19 and discharging pond 20.Wherein the liner in the liner of the liner in the liner in mortar sedimentation pond 17, secondary sedimentation pond 18, clear water reserviors 19 and discharging pond 20 all adopts acid-proof cement.
17 upper ends, mortar sedimentation pond connect water receiving pipe 27, and water receiving pipe 27 upper ends are equipped with device for collecting rain water 28, and filter 29 is installed on the water receiving pipe 27.
The inner chamber in inner chamber and discharging pond 20 that the inner chamber of labyrinth type dust chamber 4, labyrinth type prolong inner chamber, the clear water reserviors 19 in inner chamber, the secondary sedimentation pond 18 in inner chamber, the mortar sedimentation pond 17 of cooling stack 11 is placed with first temperature controller 12, second temperature controller 13, the 3rd temperature controller 23, the 4th temperature controller 24, the 5th temperature controller 25 and the 6th temperature controller 26, the first temperature controllers 12, second temperature controller 13, the 3rd temperature controller 23, the 4th temperature controller 24 respectively, the 5th temperature controller 25 is connected with control system 2 respectively with the 6th temperature controller 26.Being provided with like this is for through the temperature in the inner chamber in the inner chamber of the inner chamber in the inner chamber in the inner chamber of labyrinth type dust chamber 4, inner chamber that labyrinth type prolongs cooling stack 11, mortar sedimentation pond 17, secondary sedimentation pond 18, clear water reserviors 19 and discharging pond 20 is fed back to control system 2, makes control system 2 control the operation of the utility model fire coal boiler fume spray cleaning and heat recovery system.
During use, coal-burning boiler 1 enters flue gas, dust the smokejack 3 from the exhaust opening of boiler through the control of control system 2, and flue gas, dust are sponged a part of heat by waste-heat recovery device 5 at this moment, and a part of bulky grain dust is removed by deduster 6; The flue gas, the dust that come out from smokejack 3 at first get in the first backhaul flue 35 in the labyrinth type dust chamber 4, are able to separate with flue gas at gravity and effect of inertia next part dust, drop on the inner chamber bottom surface of labyrinth type dust chamber 4; Get into not only flue gas and the dust the second backhaul flue 36 but also hit on first smoke deflector 15 from the first backhaul flue 35; A part of dust is separated with flue gas; Remaining flue gas, dust pass through filtrating smoke dust net 8 again, make most dusts stay in the labyrinth type dust chamber 4; Owing to most of dust is kept here in the dust chamber 4, only surplus tiny flying dust also is mixed in the flue gas and gets in the spray chamber 9, has alleviated the flying dust pressure in the spray chamber 9; Minute quantity dust in spray chamber 9 is under the spray effect of each nozzle 10; Thoroughly the flying dust in the flue gas is removed, and with removals such as most of carbon monoxide, carbon dioxide, sulfide and nitride, spray chamber 9 uses high pressure fine atomizing nozzle 10; And adopt double mode to spray; Make water and flue gas reach well-mixed effect, the harmful substance in the flue gas is soluble in water behind spray, and the flue gas of going out from spray chamber 9 passes through several second smoke deflectors 16 that the labyrinth type that strengthens section prolongs cooling stack 11 and inner chamber thereof at last; Because prolonging the length of cooling stack 11, labyrinth type makes flue gas further cooling naturally in this course; Water droplet in the flue gas is separated with flue gas and fall, water is further separated, the heat of safe and reliable recovery discharged from coal-fired boiler with flue gas.Water is reclaimed; Flue gas before the chimney breast is dry more, temperature is lower; Thereby flue gas is purified, has reached the purpose of the innoxious discharging of flue gas basically, simultaneously under the spray effect of spray chamber 9 inner nozzles 10; Heat in the flue gas is able to absorb, the cigarette heat that discharges from chimney is reduced greatly; Dust and harmful substance water-soluble in spray chamber 9 are carried out sedimentation with the inner chamber that return water pipe 14 gets into mortar sedimentation pond 17; Water is separated with mortar; Mortar sinks to the intracavity bottom in mortar sedimentation pond 17; The fewer water of dust burdening overflows to sedimentation once more in the secondary sedimentation pond 18 naturally through overflow pipe, and mortar sinks to the intracavity bottom in secondary sedimentation pond 18, and the available clear water in the secondary sedimentation pond 18 overflows to clear water reserviors 19 inner chambers naturally through overflow pipe; Add alkali from the dosing mouth of clear water reserviors 19, such as limewash Ca (HO)
2Acid (H in can integrated water
2SO
4) after, generate water and salt (CaSO
4); Make water recycle repeatedly; Water unnecessary in the clear water reserviors 19 overflows in the discharging pond 20 through overflow pipe; Through dosing handle, chemical examination can discharge after qualified, can not pollute environment, the inner chamber that the drinking-water pipe 22 of the clear water in the above-mentioned discharging pond 20 through the anticorrosion spray water pump 21 of stainless steel is installed is evacuated to spray chamber 9 with water makes the water treatment system can periodic duty.
Above-mentioned water treatment system is when moving for the first time; The rainwater or the middle water of summertime collection have all been filled with in mortar sedimentation pond 17, secondary sedimentation pond 18, clear water reserviors 19 and the discharging pond 20; The condensed water conduct that can constantly reclaim after the operation in the flue gas replenishes, and running water only uses as subsequent use additional water source.
Because the heat exchange of shower water and high-temperature flue gas; Can make the spray water temperature progressively raise, at clear water reserviors 19 set inside boiler feedwaters or hot water supply system's waste heat recovery coil pipe 30, through boiler feedwater or hot water supply system's heat exchange; Both reduced the spray water temperature; Boiler feedwater or hot water supply system's temperature is improved, has accomplished the recovery of coal-burning boiler 1 discharges heat, according to the 5th temperature controller 25 temperature settings in the clear water reserviors 19; Through control system 2 automatically adjustment through the water yields of waste heat recovery coil pipe 30, with the water temperature of the clear water reserviors 19 that reach setting.
The utility model fire coal boiler fume spray cleaning and heat recovery system are placed first temperature controller 12 and second temperature controller 13 at the inner chamber of labyrinth type dust chamber 4 and the inner chamber of labyrinth type prolongation cooling stack 11; Can control the flue-gas temperature of discharged from coal-fired boiler; Place the 3rd temperature controller 23, the 4th temperature controller 24, the 5th temperature controller 25 and the 6th temperature controller 26 respectively at the inner chamber in the inner chamber of the inner chamber in the inner chamber in mortar sedimentation pond 17, secondary sedimentation pond 18, clear water reserviors 19 and discharging pond 20; Can keep watch on the water temperature in each pond at any time; In case occur unusual or reach the temperature that is provided with in advance; Can report to the police automatically, inform that the operator on duty takes the measure of being scheduled to.
In sum, the utility model fire coal boiler fume spray cleaning and heat recovery system have the following advantages:
1, running gear is few, security of operation, reliable;
2, full-automatic operation, is convenient to file administration at Computer Storage, manages simple, convenient;
3, waste heat recovery, energy-saving and emission-reduction, protection environment, with low cost;
4, adopt the mode of water spray, make flue gas be purified, lower the temperature, thoroughly eliminated pollutions such as flue dust, heat, carbon monoxide, carbon dioxide, sulfide, nitride;
5, utilize fume afterheat, improve boiler feedwater or hot water supply system's temperature, improved the thermal efficiency of boiler;
6, condensed water and the heat of having collected boiler blow-off, equipment utilize again;
7, shower water can recycle, and the condensed water conduct of reclaiming in the flue gas replenishes the conserve water resource;
8, the mode that adopts dosing to handle is further eliminated nuisance, has reduced industrial discharge;
9, through control waste heat recovery coil pipe, can regulate and control the temperature of water pool inner water separately respectively, take measures, can regulate and control the exhaust temperature of flue gas again simultaneously, utilize fume afterheat to greatest extent for the pond is antifreeze;
10, collect natural rainwater, the many usefulness in a pond have been accomplished in each pond, and the boiler of seasonal operation is taken into account the greening in summer and sprayed water for the first time winter, when eliminating flue dust in the winter time, has also practiced thrift and has afforested water a large amount of summers.
11, because the fume emission after handling is lower than state specified standards, the discharging flue gas is cleaner, temperature is lower, can consider to reduce chimney height, practices thrift engineering cost.
The above embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that the common engineers and technicians in this area make the technical scheme of the utility model all should fall in the protection domain that claims of the utility model confirm.
Claims (8)
1. fire coal boiler fume spray cleaning and heat recovery system; It is characterized in that: comprise some coal-burning boilers (1), control system (2) and labyrinth type dust chamber (4); The inner chamber of said dust chamber (4) is provided with the dividing plate (7) that dust chamber (4) is divided into first and second backhaul flue (35,36), said first and second backhaul flue (35; 36) communicate; The smokejack (3) of said coal-burning boiler (1) communicates with the said first backhaul flue (35), all is connected with waste-heat recovery device (5) and deduster (6) on the said smokejack (3), is positioned on the inner chamber of right-hand dust chamber (4) of said dividing plate (7) filtrating smoke dust net (8) is installed; The right-hand member of said dust chamber (4) is communicated with the left end of spray chamber (9); The right-hand member of said spray chamber (9) is communicated with the left end that labyrinth type prolongs cooling stack (11), and the other end of said prolongation cooling stack (11) is communicated with chimney, and the inner chamber of said dust chamber (4) is respectively equipped with first and second temperature controller (12 that is connected with control system (2) with the inner chamber that prolongs cooling stack (11); 13); Said spray chamber (9) is connected with water treatment system through several return water pipes (14), and said spray chamber (9) inner chamber stretches into several water inlet pipes (41), is separately installed with several nozzles (10) on the said water inlet pipe (41).
2. fire coal boiler fume spray cleaning as claimed in claim 1 and heat recovery system; It is characterized in that: the inner chamber that is positioned at the dust chamber (4) between said dividing plate (7) and the filtrating smoke dust net (8) is provided with several first smoke deflectors (15), and the inner chamber of said prolongation cooling stack (11) is provided with several second smoke deflectors (16).
3. fire coal boiler fume spray cleaning as claimed in claim 2 and heat recovery system; It is characterized in that: each said nozzle (10) is the high pressure fine atomizing nozzle; Said water inlet pipe (41) is set to several; Several said nozzles (10) are the spray formula are arranged on the said water inlet pipe (41), and said water inlet pipe (41) stretches into left and right of spray chamber (9) inner chamber.
4. like described fire coal boiler fume spray cleaning of one of claim 1-3 and heat recovery system, it is characterized in that: said water treatment system comprises mortar sedimentation pond (17), and said mortar sedimentation pond (17) is communicated with the other end of said return water pipe (14); Said mortar sedimentation pond (17) is communicated with the inner chamber in secondary sedimentation pond (18) through overflow pipe; Said secondary sedimentation pond (18) is communicated with the inner chamber of clear water reserviors (19) through overflow pipe, and said clear water reserviors (19) are communicated with through the inner chamber of overflow pipe with discharging pond (20), and said clear water reserviors (19) are communicated with the inner chamber of said spray chamber (9) through drinking-water pipe (22); Be parallel with several spray water pumps (21) on the said drinking-water pipe; Said spray water pump (21) is connected with control system (2) respectively, and said spray water pump (21) is connected with return duct (33) to the pipeline between the spray chamber (9), and the other end of said return duct (33) feeds clear water reserviors (19); The 3rd electric control valve (40) is installed on the said return duct (33); Said the 3rd electric control valve (40) is connected with said control system (2), and the other end of said drinking-water pipe (22) is communicated with each said water inlet pipe (41), and said coal-burning boiler (1) is communicated with mortar sedimentation pond (17) through blowdown and condensed water recovery tube (37); The inner chamber of the inner chamber in the inner chamber in said mortar sedimentation pond (17), secondary sedimentation pond (18), clear water reserviors (19) and the discharging pond (20) inner chamber be respectively equipped with third and fourth, five, six temperature controllers (23; 24,25,26); Said third and fourth, five, six temperature controllers (23; 24,25,26) be connected with said control system (2) respectively.
5. fire coal boiler fume spray cleaning as claimed in claim 4 and heat recovery system; It is characterized in that: upper end, said mortar sedimentation pond (17) connects water receiving pipe (27); Said water receiving pipe (27) upper end is equipped with device for collecting rain water (28), and filter (29) is installed on the said water receiving pipe (27).
6. fire coal boiler fume spray cleaning as claimed in claim 5 and heat recovery system; It is characterized in that: the inner chamber of said clear water reserviors (19) is placed with waste heat recovery coil pipe (30); One end of said waste heat recovery coil pipe (30) and demineralized water or running water are connected; The other end is communicated with boiler feedwater or domestic hot-water; On the said waste heat recovery coil pipe (30) of connection boiler feedwater or domestic hot-water's end first electric control valve (38) is installed, said first electric control valve (38) is connected with said control system (2).
7. fire coal boiler fume spray cleaning as claimed in claim 6 and heat recovery system; It is characterized in that: the inner chamber of said clear water reserviors (19) is communicated with greening water pipe (31); Suction pump (32) is installed on the said greening water pipe (31), and said suction pump (32) is connected with said control system (2).
8. fire coal boiler fume spray cleaning as claimed in claim 7 and heat recovery system; It is characterized in that: said clear water reserviors (19) are respectively equipped with dosing mouth with the upper end in discharging pond (20); The bottom in said discharging pond (20) connects drainpipe (34); Second electric control valve (39) is installed on the said drainpipe (34), and said second electric control valve (39) is connected with said control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205753911U CN202511309U (en) | 2011-12-31 | 2011-12-31 | Smoke spraying purification and heat recovery system for coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205753911U CN202511309U (en) | 2011-12-31 | 2011-12-31 | Smoke spraying purification and heat recovery system for coal-fired boiler |
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| Publication Number | Publication Date |
|---|---|
| CN202511309U true CN202511309U (en) | 2012-10-31 |
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ID=47063793
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205753911U Expired - Fee Related CN202511309U (en) | 2011-12-31 | 2011-12-31 | Smoke spraying purification and heat recovery system for coal-fired boiler |
Country Status (1)
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| CN (1) | CN202511309U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519051A (en) * | 2011-12-31 | 2012-06-27 | 总装备部工程设计研究总院 | Flue gas spraying, purifying and heat recovering system for coal burning boiler |
| CN103214118A (en) * | 2013-04-03 | 2013-07-24 | 国家电网公司 | Method for treating waste water by utilizing dust-containing smoke gas of coal-fired boiler |
| CN111156545A (en) * | 2020-02-08 | 2020-05-15 | 河北工业大学 | One-driving-two household biomass heating equipment with automatic feeding function |
-
2011
- 2011-12-31 CN CN2011205753911U patent/CN202511309U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519051A (en) * | 2011-12-31 | 2012-06-27 | 总装备部工程设计研究总院 | Flue gas spraying, purifying and heat recovering system for coal burning boiler |
| CN102519051B (en) * | 2011-12-31 | 2014-08-13 | 总装备部工程设计研究总院 | Flue gas spraying, purifying and heat recovering system for coal burning boiler |
| CN103214118A (en) * | 2013-04-03 | 2013-07-24 | 国家电网公司 | Method for treating waste water by utilizing dust-containing smoke gas of coal-fired boiler |
| CN103214118B (en) * | 2013-04-03 | 2015-04-01 | 国家电网公司 | Method for treating waste water by utilizing dust-containing smoke gas of coal-fired boiler |
| CN111156545A (en) * | 2020-02-08 | 2020-05-15 | 河北工业大学 | One-driving-two household biomass heating equipment with automatic feeding function |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20151231 |
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| EXPY | Termination of patent right or utility model |