CN106091379B - Combustion unit for exchanging hot air and water generated by pulverized coal combustion - Google Patents
Combustion unit for exchanging hot air and water generated by pulverized coal combustion Download PDFInfo
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- CN106091379B CN106091379B CN201610599839.0A CN201610599839A CN106091379B CN 106091379 B CN106091379 B CN 106091379B CN 201610599839 A CN201610599839 A CN 201610599839A CN 106091379 B CN106091379 B CN 106091379B
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- combustion
- flue gas
- tank body
- pulverized coal
- spraying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0275—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using solid fuel
- F24H7/0283—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using solid fuel the transfer fluid being air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
- F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1845—Arrangement or mounting of combustion heating means, e.g. grates or burners using solid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
- F23D2201/10—Nozzle tips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Supply (AREA)
Abstract
A combustion unit for exchanging hot gas and water generated by burning pulverized coal relates to a refrigerating and heating unit and aims to solve the problems of high heat loss, environment-friendly smoke discharge and large material consumption of a heat exchange surface in the operation of the conventional refrigerating and heating unit. The spraying tank body and the centrifugal slag remover are respectively arranged on the upper side and the lower side of the water tank, the spraying tank body and the centrifugal slag remover are communicated with the water tank, the flue gas radiating pipe is arranged in the water tank, the flue gas radiating pipe is arranged at the lower end of the spraying tank body, the turbulence blades are arranged at the inlet of the centrifugal slag remover, the flue is communicated with the water tank, the spraying mechanism is arranged at the top of the spraying tank body, the heat receiving pump heat exchange coil and the flue gas condensation heat exchange coil are arranged in the flue from bottom to top, the combustor is arranged on the side wall of the spraying tank body, a secondary air inlet is formed between the combustion chamber and the precombustion chamber, the secondary air fan is arranged at a secondary air inlet, and the outlets of the precombustion chamber and the combustion chamber are respectively provided with a gradually-shrinking type outlet. The invention is used for the places with the requirements of heat supply and cold supply and domestic hot water.
Description
Technical Field
The invention relates to a refrigerating and heating unit, in particular to a combustion unit for exchanging hot gas and water generated by burning pulverized coal.
Background
The working principle of the existing refrigerating and heating unit is as follows: the pulverized coal combustion produces the heat source and sprays to the boiler body directly, exchanges, and this kind of operation mode has following problem:
firstly, the combustion heat loss is large: the boiler is burning natural gas or oil, and heat transfer system needs boiler conduction, in the coal fired boiler, can have solid incomplete combustion phenomenon, even the fuel burns completely, its row sediment and the most heat of taking away can be inevitable to discharge fume.
And the exhaust gas temperature is very high and reaches 160 ℃ (the national standard is below 110 ℃), so that the energy is not saved.
The components of the smoke exhaust: the pollutants in the combustion products of the pulverized coal are mainly dust and SO2And nitrogen oxide, the diameter of fly ash particles is below 10 mu m because the pulverized coal is completely combusted, and the common filtering and decontamination method can not effectively remove impurities and can not ensureThe current large-scale treatment equipment has high cost, large equipment and inconvenient use.
Fourthly, consumable materials of the heat exchange surface: because the existing boiler adopts indirect heat exchange (cooling by using a water-cooling wall), a large amount of steel pipes are needed to be used as heat exchange surfaces, and surface structures, internal blockage and the like can occur after long-term use, so that incomplete heat exchange and energy waste are finally caused.
Disclosure of Invention
The invention aims to solve the problems of high heat loss, environment-friendly smoke exhaust and large material consumption of a heat exchange surface during the operation of the existing refrigerating and heating unit, and further provides a combustion unit for exchanging hot gas and water generated by burning pulverized coal.
The invention relates to a combustion unit for exchanging hot gas and water generated by pulverized coal combustion, which comprises a combustor, a spraying mechanism, a flue gas heat-radiating pipe, a centrifugal slag remover, a flue gas condensation heat-exchanging coil, a heat-receiving pump heat-exchanging coil, turbulence blades, a water tank, a spraying tank body and a flue, wherein the spraying tank body and the centrifugal slag remover are respectively arranged above and below the water tank, the spraying tank body and the centrifugal slag remover are communicated with the water tank, the flue gas heat-radiating pipe is arranged in the water tank, the flue gas heat-radiating pipe is arranged at the lower end of the spraying tank body, the turbulence blades are arranged in the water tank, the turbulence blades are arranged at the inlet of the centrifugal slag remover, the flue is communicated with the water tank, the spraying mechanism is arranged at the top of the spraying tank body, the heat-receiving pump heat-exchanging coil and the flue gas condensation heat-exchanging coil are arranged in the flue from bottom to top, the combustor is arranged on the side wall of the spraying tank body, the combustor comprises a primary fan, The device comprises a Venturi powder conveyor, an overfire air fan, a pulverized coal suction pipe, a precombustion chamber and a combustion chamber, wherein the precombustion chamber is communicated with the combustion chamber, the Venturi powder conveyor is arranged at an inlet of the precombustion chamber, the once air fan is arranged at the inlet of the Venturi powder conveyor, the pulverized coal suction pipe is communicated with the Venturi powder conveyor, an overfire air inlet is arranged between the combustion chamber and the precombustion chamber, the overfire air fan is arranged at an overfire air inlet, and the outlets of the precombustion chamber and the combustion chamber are respectively provided with a tapered outlet.
Compared with the prior art, the invention has the following beneficial effects:
firstly, because the heated air is directly sprayed into the water tank through the spraying tank body for heat exchange, the exhaust gas temperature is reduced to about 30 ℃ after hot water is condensed for three times, and the hot water is discharged into the atmosphere; therefore, the invention conducts by water, has high conductivity coefficient, high performance of purifying coal powder, environmental protection, desulfurization and denitration, and reduces the emission of atmospheric pollution.
The outlet of the burner is designed into a tapered outlet, so that the pulverized coal can be quickly ignited under the combined action of wall radiation and backflow high-temperature flue gas when entering the pre-combustion chamber. After being ignited, the pulverized coal completes the combustion process in the combustion chamber, further releases heat and achieves the effect of complete combustion.
In the aspect of air distribution, secondary air is tightly attached to the outer wall surface of the precombustion chamber and enters the combustion chamber, and the secondary air can preheat the secondary air and also can protect the wall surface of the precombustion chamber, prevent coking and burning loss, supplement oxygen demand required by later combustion and improve flame rigidity of a combustor; meanwhile, the combustor (1) divides air required by post combustion of the pulverized coal into secondary air to be fed in at different combustion stages, so that the concentration of oxygen is low before the secondary air is mixed, and the generated NOx is reduced; after the secondary air is fed, the fuel is burnt out in the air excess area, although the air quantity is large, the flame temperature is reduced, so that the large amount of NOx can not be generated after the secondary air is mixed, and the pulverized coal fuel entering the furnace can complete the whole combustion and burn-out process under the condition of oxygen deficiency and oxygen enrichment, so that the combustion mode of the invention can reduce the emission of nitrogen oxides of the whole system.
And the dust removal and desulfurization are wet dust removal and desulfurization by utilizing a spraying mechanism, the flow velocity of inlet flue gas is high, the upper space of a spraying area is large, the flue gas generates backflow at the position, and the contact heat transfer and mass transfer of the spray and the flue gas are enhanced. The steam-water mixture enters the water with rotational flow below, heat exchange is continued, the heat exchange efficiency in the whole process reaches 100%, and the dust removal efficiency reaches more than 98%. The lower the temperature of the water tank is, the more obvious the energy-saving effect is.
Fifthly, because the heating hot water is not too low, the invention sets the hot water outlet at 70-90 ℃; the plate heat exchanger is used for heat exchange, and the requirements of heating, hot water supply and the like are met.
Drawings
Fig. 1 is a schematic view of the overall structure of a burner unit using the exchange of pulverized coal combustion air and water according to the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and comprises a burner 1, a spraying mechanism 2, a flue gas heat-radiating pipe 3, a centrifugal slag remover 4, a flue gas condensation heat-exchanging coil 6, a heat-receiving pump heat-exchanging coil 7, turbulence blades 8, a water tank 9, a spraying tank body 10 and a flue 20, wherein the spraying tank body 10 and the centrifugal slag remover 4 are respectively arranged above and below the water tank 9, the spraying tank body 10 and the centrifugal slag remover 4 are both communicated with the water tank 9, the flue gas heat-radiating pipe 3 is arranged in the water tank 9, the flue gas heat-radiating pipe 3 is arranged at the lower end of the spraying tank body 10, the turbulence blades 8 are arranged in the water tank 9, the turbulence blades 8 are arranged at the inlet of the centrifugal slag remover 4, the flue 20 is communicated with the water tank 9, the spraying mechanism 2 is arranged at the top of the spraying tank body 10, the heat-receiving pump heat-exchanging coil 7 and the flue gas condensation heat-exchanging coil 6 are arranged in the flue 20 from bottom to top, the burner 1 is arranged on the side wall of the spraying tank body 10, combustor 1 includes primary air fan 11, venturi powder conveyer 12, overfire air fan 13, buggy suction pipe 14, precombustion chamber 15 and combustion chamber 16 intercommunication, venturi powder conveyer 12 sets up the entrance at precombustion chamber 15, primary air fan 11 sets up the entrance at venturi powder conveyer 12, buggy suction pipe 14 and venturi powder conveyer 12 intercommunication, be equipped with overgrate air import 17 between combustion chamber 16 and the precombustion chamber 15, overfire air fan 13 sets up in overgrate air import 17 department, the export of precombustion chamber 15 and combustion chamber 16 all adopts the export of convergent formula.
The second embodiment is as follows: referring to fig. 1, the secondary air fan 13 of the present embodiment swirls the secondary air along the precombustion chamber 15 and enters the combustion chamber 16. The design is such that the secondary air is preheated by the outer wall of the pre-chamber 15 and then fed into the combustion chamber 16 to increase the temperature of the secondary air. Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: referring to fig. 1, the present embodiment is described, in which the flue gas heat dissipation pipe 3 is in a conical shape, the diameter of the upper end of the flue gas heat dissipation pipe 3 is smaller than the diameter of the lower end, and the lower end surface of the flue gas heat dissipation pipe 3 is provided with a plurality of small holes, each small hole having a diameter of 20mm, so as to ensure that the flow velocity of the flue gas outlet is 10m/s to 15 m/s. The flue gas radiating pipe 3 disperses the flue gas into small bubbles to directly contact with water for heat exchange. The small holes are used for water outlet, and the number of the small holes can be arranged according to the capacity and the operation requirement of the unit. Other compositions and connections are the same as in the first or second embodiments.
The fourth concrete implementation mode: referring to fig. 1, the present embodiment is described, in which the immersion depth H of the flue gas heat dissipation pipe 3 is 200 mm. Other compositions and connection relations are the same as those of the third embodiment.
The fifth concrete implementation mode: referring to fig. 1, the present embodiment will be described, in which the material of the flue gas heat radiating pipe 3 is stainless steel. Other compositions and connection relations are the same as those of the fourth embodiment.
The sixth specific implementation mode: referring to fig. 1, the present embodiment will be described, in which the precombustion chamber 15 and the combustion chamber 16 are both made of a heat insulating material, such as: and (3) concrete. Other compositions and connection relations are the same as those of the first embodiment, the second embodiment, the fourth embodiment or the fifth embodiment.
The seventh embodiment: referring to fig. 1, the burner 1 of this embodiment further includes a swirl plate 18, and the swirl plate 18 is disposed at the outlet of the venturi powder conveyor 12. The rotational flow plate 18 makes the wind powder airflow form rotational flow, so that the high-temperature flue gas can stay in the pre-combustion chamber 15 for a long time, and the ignition of the coal powder flow is facilitated. Other components and connection relationships are the same as those in the sixth embodiment.
The specific implementation mode is eight: the embodiment is described with reference to fig. 1, the combustion unit of the embodiment further includes a chemical adding device 5, a plate heat exchanger 21, a circulating pipe 22 and a connecting pipe 23, the chemical adding device 5 is communicated with the spraying mechanism 2, an input end of the plate heat exchanger 21 is connected with the centrifugal slag remover 4 through the connecting pipe 23, and an output end of the plate heat exchanger 21 is connected with the spraying mechanism 2 through the circulating pipe 22. Therefore, the wastewater is recycled, and the backwater part enters the spraying mechanism 2 after heat exchange of the plate heat exchanger 21 for chemical adding treatment for sulfur removal. Other compositions and connection relations are the same as those of the first embodiment or the seventh embodiment.
The specific implementation mode is eight: the present embodiment will be described with reference to fig. 1, and in the present embodiment, a plurality of user interfaces 24 are provided in the plate heat exchanger 21. Other compositions and connection relationships are the same as those in embodiment eight.
The working principle of the invention is as follows: flue gas enters the spraying tank body 10 from the combustion chamber 16, the flue gas is firstly treated by the spraying mechanism 2, and then a steam-water mixture is injected into the water tank 9 through the flue gas radiating pipe 3 (primary condensation); under the disturbance of the turbulence blades 8, water is rotated, so that the disturbance of a steam-water contact interface is enhanced, and the adverse effect of increasing the wind pressure of a fan on combustion is avoided; after the flue gas passes through a flue gas condensation heat exchange coil 6 (secondary condensation) and a heat transfer coil 7 (tertiary condensation), the temperature of the flue gas is reduced to about 30 ℃. The heat exchange efficiency of the whole process reaches 100 percent, and the dust removal efficiency reaches more than 98 percent.
Claims (7)
1. The utility model provides a pulverized coal combustion produces burning unit of steam and water exchange, burning unit includes combustor (1), sprays mechanism (2), flue gas cooling tube (3), centrifugal slagging-off machine (4), flue gas condensation heat transfer coil pipe (6), connects heat pump heat transfer coil pipe (7), vortex blade (8), water tank (9), sprays jar body (10) and flue (20), its characterized in that: the spraying tank body (10) and the centrifugal slag remover (4) are arranged on the upper portion and the lower portion of the water tank (9) respectively, the spraying tank body (10) and the centrifugal slag remover (4) are communicated with the water tank (9), the flue gas radiating pipe (3) is arranged in the water tank (9), the flue gas radiating pipe (3) is arranged at the lower end of the spraying tank body (10), the turbulence blade (8) is arranged in the water tank (9), the turbulence blade (8) is arranged at an inlet of the centrifugal slag remover (4), the flue (20) is communicated with the water tank (9), the spraying mechanism (2) is arranged at the top of the spraying tank body (10), the heat receiving pump heat exchange coil (7) and the flue gas condensation heat exchange coil (6) are arranged in the flue (20) from bottom to top, the combustor (1) is arranged on the side wall of the spraying tank body (10), and the combustor (1) comprises a primary fan (11), The device comprises a Venturi powder conveyor (12), a secondary fan (13), a coal powder suction pipe (14), a precombustion chamber (15) and a combustion chamber (16), wherein the precombustion chamber (15) is communicated with the combustion chamber (16), the Venturi powder conveyor (12) is arranged at the inlet of the precombustion chamber (15), the primary fan (11) is arranged at the inlet of the Venturi powder conveyor (12), the coal powder suction pipe (14) is communicated with the Venturi powder conveyor (12), a secondary air inlet (17) is arranged between the combustion chamber (16) and the precombustion chamber (15), the secondary fan (13) is arranged at the secondary air inlet (17), and the outlets of the precombustion chamber (15) and the combustion chamber (16) are respectively in a tapered outlet;
the shape of the flue gas radiating pipe (3) is conical, the diameter of the upper end of the flue gas radiating pipe (3) is smaller than that of the lower end of the flue gas radiating pipe, the lower end face of the flue gas radiating pipe (3) is provided with a plurality of small holes, the diameter of each small hole is 20mm, and therefore the flow rate of a flue gas outlet is guaranteed to be 10-15 m/s;
the pre-combustion chamber (15) and the combustion chamber (16) are made of insulating materials.
2. The pulverized coal combustion-generated hot gas and water exchange combustion unit as claimed in claim 1, characterized in that: the secondary air fan (13) enables secondary air to swirl along the precombustion chamber (15) and enter the combustion chamber (16).
3. The pulverized coal combustion-generated hot gas and water exchange combustion unit as claimed in claim 2, characterized in that: the immersion depth H of the smoke radiating pipe (3) is 200 mm.
4. The pulverized coal combustion-generated hot gas and water exchange combustion unit as claimed in claim 3, characterized in that: the flue gas radiating pipe (3) is made of stainless steel.
5. The pulverized coal combustion-generated hot gas and water exchange combustion unit as claimed in claim 4, characterized in that: the burner (1) further comprises a swirl plate (18), the swirl plate (18) being arranged at the outlet of the venturi powder conveyor (12).
6. The pulverized coal combustion-generated hot gas and water exchange combustion unit as claimed in claim 1 or 5, characterized in that: the combustion unit further comprises a dosing device (5), a plate heat exchanger (21), a circulating pipe (22) and a connecting pipe (23), the dosing device (5) is communicated with the spraying mechanism (2), the input end of the plate heat exchanger (21) is connected with the centrifugal slag remover (4) through the connecting pipe (23), and the output end of the plate heat exchanger (21) is connected with the spraying mechanism (2) through the circulating pipe (22).
7. The pulverized coal combustion-generated hot gas and water exchange combustion unit as claimed in claim 6, characterized in that: the plate heat exchanger (21) is provided with a plurality of user interfaces (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599839.0A CN106091379B (en) | 2016-07-27 | 2016-07-27 | Combustion unit for exchanging hot air and water generated by pulverized coal combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599839.0A CN106091379B (en) | 2016-07-27 | 2016-07-27 | Combustion unit for exchanging hot air and water generated by pulverized coal combustion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106091379A CN106091379A (en) | 2016-11-09 |
| CN106091379B true CN106091379B (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610599839.0A Active CN106091379B (en) | 2016-07-27 | 2016-07-27 | Combustion unit for exchanging hot air and water generated by pulverized coal combustion |
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| CN (1) | CN106091379B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0133633A1 (en) * | 1983-07-29 | 1985-03-06 | Societe D'etude Et De Construction De Chaudieres En Acier Seccacier | Automatic boiler for coal, particularly fat coal |
| US4519995A (en) * | 1981-11-19 | 1985-05-28 | Osterreichische Draukraftwerke Aktiengesellschaft | Method of desulfurizing flue gases of coal firings |
| CN85106859A (en) * | 1985-09-14 | 1987-04-22 | 北京市振兴建筑搪瓷厂 | The simple and easy full gas generator of the no flue dust of economizing on coal efficiently and gas furnace combined unit |
| CN2106992U (en) * | 1991-11-01 | 1992-06-10 | 刘建平 | Direct heat-exchanging coal-fired water-heating boiler |
| JPH09192444A (en) * | 1996-01-18 | 1997-07-29 | Shinzato Shoten:Kk | Waste incineration furnace |
| CN2670830Y (en) * | 2003-03-03 | 2005-01-12 | 吕润生 | Vertical coal boiler with combustion chamber separated from furnace |
| CN205825433U (en) * | 2016-07-27 | 2016-12-21 | 孙杰民 | A kind of coal dust firing produces the burning unit of steam and water coke slurry |
-
2016
- 2016-07-27 CN CN201610599839.0A patent/CN106091379B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4519995A (en) * | 1981-11-19 | 1985-05-28 | Osterreichische Draukraftwerke Aktiengesellschaft | Method of desulfurizing flue gases of coal firings |
| EP0133633A1 (en) * | 1983-07-29 | 1985-03-06 | Societe D'etude Et De Construction De Chaudieres En Acier Seccacier | Automatic boiler for coal, particularly fat coal |
| CN85106859A (en) * | 1985-09-14 | 1987-04-22 | 北京市振兴建筑搪瓷厂 | The simple and easy full gas generator of the no flue dust of economizing on coal efficiently and gas furnace combined unit |
| CN2106992U (en) * | 1991-11-01 | 1992-06-10 | 刘建平 | Direct heat-exchanging coal-fired water-heating boiler |
| JPH09192444A (en) * | 1996-01-18 | 1997-07-29 | Shinzato Shoten:Kk | Waste incineration furnace |
| CN2670830Y (en) * | 2003-03-03 | 2005-01-12 | 吕润生 | Vertical coal boiler with combustion chamber separated from furnace |
| CN205825433U (en) * | 2016-07-27 | 2016-12-21 | 孙杰民 | A kind of coal dust firing produces the burning unit of steam and water coke slurry |
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| Publication number | Publication date |
|---|---|
| CN106091379A (en) | 2016-11-09 |
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Effective date of registration: 20230329 Address after: 150000 room 703, unit 4, No. 145 Anxin street, Daoli District, Harbin, Heilongjiang Patentee after: Sun Ziyi Address before: 150000 room 703, unit 4, No. 145 Anxin street, Daoli District, Harbin, Heilongjiang Patentee before: Sun Jiemin |