CN201517090U - Industrial gasification generator set capable of continuously generating straw fuel gas without decoking - Google Patents
Industrial gasification generator set capable of continuously generating straw fuel gas without decoking Download PDFInfo
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- CN201517090U CN201517090U CN2009202684819U CN200920268481U CN201517090U CN 201517090 U CN201517090 U CN 201517090U CN 2009202684819 U CN2009202684819 U CN 2009202684819U CN 200920268481 U CN200920268481 U CN 200920268481U CN 201517090 U CN201517090 U CN 201517090U
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- straw fuel
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Abstract
An industrial gasification generator set capable of continuously generating straw fuel gas without decoking comprises a straw gasification furnace comprising a furnace body, a grate and an ash chamber, and is characterized in that a tapered ash guide cover with a downward small opening is arranged in the ash chamber at the lower part of the grate; the ash chamber has no baseplates, and the lower parts thereof and the cover are positioned in a water tank; a support is arranged between the furnace body and the tank; a gap at least higher than the liquid level of the tank with a liquid inlet and a liquid inlet valve is formed on the part of the ash guide cover wall; a sewage outlet and a drainage valve are arranged on the groove wall at the undermost of the tank; the space above the liquid level of the tank is communicated with one end of a high-temperature air delivery pipeline on which an air induction device is arranged; thermo-detectors are arranged on the pipelines in front and behind the air induction device, and a pressure gauge and a flowmeter are arranged on the pipeline behind the device while the other end of the pipeline is directly coupled with the boiler. Liquid seal is adopted for continuous ash removal, so high-temperature gaseous tar and the straw fuel gas are directly combusted while no decoking, eliminating decoking process, simplifying the process, increasing heating value, reducing emission and secondary contamination, improving straw conversion rate, and resulting in quite considerable overall economic efficiency and immeasurable environmental benefits. The popularization and utilization of the generator set reflects a new breakthrough of technology in utilizing straw for energy conservation and emission reduction of industrial coal burning boilers; moreover, the remarkable improvement overcomes the defect of impractical sealed and continuous ash removal in the prior art, laying foundation for continuous straw fuel gas generation.
Description
Technical field
The utility model relates to a kind of industrial gasification unit, exempts burnt industrial gasification unit but relate in particular to a kind of quantity-produced straw fuel gas.
Background technology
Traditional concept thinks, straw fuel gas must decoking, this be because tar below 200 ℃ for liquid, be gaseous state more than 300 ℃, liquid tar easily and water, carbon granule etc. combine, the obstruction gas pipe line blocks the valve corroding metal; Tar accounts for the 5%-10% of combustible gas energy.Be difficult at low temperatures with the burned utilization of combustion gas, waste is serious, and tar is difficult to perfect combustion, and produces carbon black granules, and to the combustion equipment well damage, the gas that the tar and the back of fully not burning thereof produce is deleterious to human body.This shows that combustible gas is coal-tar middle oil to have sizable hazardness, is the biggest obstacle that combustion gas is used, so the tar problem is one of problem of domestic and international primary study and solution always.At present, general miniature stalk gasification furnace is used for life, be used for the large-scale stalk gasifier of being of industrial application, and it can not continuous production, it removes the defocused industrial application that is used for by combustion gas is stored, traditional mode thinks that process industry must decoking with straw fuel gas, the decoking process complexity, and also decoking is not thorough; And, wanting to realize continuous production owing to utilize the burn incompletely of stalk to make combustion gas, the sealing continuous dust dislodging is the problem that prior art is difficult to overcome.
Summary of the invention
The utility model is at the existing in prior technology shortcoming, and provide a kind of for expanding the application of stalk at industrial circle, but the quantity-produced straw fuel gas of up-to-date research and development is exempted burnt industrial gasification unit, overturned original for utilizing the traditional mode that straw fuel gas must decoking, be the revolution in stalk comprehensive utilization field, this technology is applicable to the energy-saving and emission-reduction transformation project of all coal-burned industrial boilers.
The utility model is realized by following technical measures: but a kind of quantity-produced straw fuel gas is exempted burnt industrial gasification unit, it comprises stalk gasifier, described stalk gasifier comprises body of heater, fire grate, with grey chamber, the ash cover is led in the grey indoor taper that is provided with little mouth down of described fire grate bottom, described grey chamber does not have the bottom of base plate and described grey chamber and leads ash cover bottom and is arranged in tank, be provided with support between described body of heater and the tank, the described part that is positioned at least more than the tank liquid level on the ash cover wall of leading is provided with the slit, described tank is provided with fluid inlet, the feed liquor valve, cell wall near described tank lowest part is provided with sewage draining exit, wash water valve, the space of the liquid level top of described tank is communicated with high temperature air delivering pipeline one end, described high temperature air delivering pipeline is provided with blower unit, be provided with thermo detector on the high temperature air delivering pipeline before and after the described blower unit, also be provided with tensimeter on the high temperature air delivering pipeline behind the blower unit, under meter, the other end of described high temperature air delivering pipeline can with the boiler direct connection.
Concrete characteristics of the present utility model also have, and the body of heater of above-mentioned stalk gasifier is provided with water wall.
The fire grate of above-mentioned stalk gasifier adopts water pipe furnace grate.
Above-mentioned water pipe furnace grate and water wall are communicated with, and are provided with water-cooling tower between water wall and the water pipe furnace grate, and the top of described water-cooling tower is communicated with the top of water wall, and the bottom of described water-cooling tower is communicated with water pipe furnace grate.
Fluid inlet place in the above-mentioned tank is connected with shower nozzle, is positioned at the outer liquid-inlet pipe that is connected with described shower nozzle of tank and is provided with liquid pump.
Above-mentioned tank is positioned at the pond, is provided with the dust settling bath in the pond, and described sewage draining exit is corresponding with dust settling bath position.
The above-mentioned ash of leading covers the cone-shaped body that comprises inside and outside two-layer little mouth down, is provided with the slit on the described two-layer cone-shaped body, and slit on the described internal layer cone-shaped body and the dislocation of the slit on the outer cone-shaped body are arranged.
Above-mentioned slit is linear or curved shape.
The beneficial effect of this programme can be learnt according to the narration to such scheme, straw fuel gas can also increase the calorific value of 5%-10% under the situation of decoking not, the high heating value high temperature straw fuel gas that adopts the high-temperature boiler induced draft fan will contain tar is delivered directly to coal-burned industrial boiler and boiler for domestic.Per 3600 side's straw fuel gas just can replace 1 ton of mark coal, and 3600 side's combustion gas only need 1.8 tons of stalks, boiler induced-draft fan current consumption be 4 kilowatts/time, with existing coal, the calculation of price of stalk, calculate by 6 tons of coal-fired steam boilers, need mark minimum 24 tons of coal every day, just need 24 * 650 yuan/ton=15600 yuan that every day, annual ten thousand yuan of the 15600 * 365=569.4 that just need, and change the burning stalk, need 15768 tons, 120 yuan per ton, need 189.216 ten thousand yuan every year, and current consumption coal-fired and slagging-off is higher than the current consumption of making straw fuel gas far away, therefore, this relatively annual just can the economizing on the use of funds of 6 tons of boiler at least 380 surplus ten thousand yuan, more have to reduce and discharge and the important meaning of sustainable development.
1, adopt this scheme, tar is gaseous state, and gasiform tar and high-temperature fuel gas are burnt has in the lump increased calorific value, has reduced discharging, has reduced secondary pollution, has improved the stalk transformation efficiency.
2, no longer design decoking process, reduced facility investment, thereby reduced failure rate, saved water, electricity charge usefulness, reduced operation cost.
3, do not need to dispose gas storage holder again, saved substantial contribution and floor space.
4, because whole body of heater and fire grate adopt cooling water circulation and unique design of slagging tap, can non-stop run.
Overall economic efficiency is very considerable, also has immeasurable environmental benefit.Its utilization and extention will be the new breakthrough that stalk is used for the industry coal-boiler energy-conserving and emission-cutting technology; And obvious improvement of the present utility model in addition, overcome the shortcoming that prior art can't utilize the continuous aerogenesis of stalk, sealing ash disposal not to stop, for the continuous production of straw fuel gas is laid a good foundation.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the vertical view of leading individual layer cone-shaped body in the ash cover in the utility model embodiment.
Fig. 3 is the structural representation of the utility model embodiment user mode
Among the figure, 1, water-cooling tower, 2, body of heater, 3, water wall, 4, water pipe furnace grate, 5, lead ash cover, 6, tank, 7, high temperature air delivering pipeline, 8, thermo detector, 9, induced draft fan, 10, tensimeter, 11, thermo detector, 12, under meter, 13, wash water valve, 14, the slit, 15, shower nozzle, 16, support 17, buncher, 18, the dust settling bath.
Embodiment
For clearly demonstrating the technical characterstic of this programme,, this programme is set forth below by an embodiment.
As shown in Figure 1, but the utility model is a kind of quantity-produced straw fuel gas exempts burnt industrial gasification unit, it comprises stalk gasifier, described stalk gasifier comprises body of heater 2, fire grate, with grey chamber, ash cover 5 is led in the grey indoor taper that is provided with little mouth down of described fire grate bottom, described grey chamber does not have the bottom of base plate and described grey chamber and leads ash cover 5 bottoms and is arranged in tank 6, the described part that is positioned at least more than the tank liquid level on ash cover 5 walls of leading is provided with the slit, described tank 6 is provided with fluid inlet, the feed liquor valve, cell wall near described tank lowest part is provided with sewage draining exit, wash water valve 13, the space of the liquid level top of described tank 6 is communicated with high temperature air delivering pipeline 7 one ends, described high temperature air delivering pipeline 7 is provided with induced draft fan 9, induced draft fan 9 is realized speed governing by frequency control motor 17, be provided with thermo detector 8 on the high temperature air delivering pipeline 7 of described induced draft fan 9 front and back, 11, also be provided with tensimeter 10 on the high temperature air delivering pipeline 7 behind the induced draft fan 9, under meter 12, the other end of described high temperature air delivering pipeline 7 can with the boiler direct connection.The body of heater 2 of stalk gasifier is provided with water wall 3, and fire grate adopts water pipe furnace grate 4.Water pipe furnace grate 4 and water wall 3 are communicated with, and are provided with water-cooling tower 1 between water wall 3 and the water pipe furnace grate 4, and the top of described water-cooling tower 1 is communicated with the top of water wall 3, and the bottom of described water-cooling tower 1 is communicated with water pipe furnace grate 4.The main effect of water-cooling tower is carried out stove and is lowered the temperature outward, does not allow produce high temperature in the stove, improves fuel gases calorific value.
When the utility model specifically uses, whole body of heater and tank can be inserted in the pond, be provided with dust settling bath 18 in the pond, described sewage draining exit is corresponding with dust settling bath 18 positions, in order better sedimentary combustion ash in the tank to be removed, can be provided with shower nozzle in a side of tank 6 relative sewage draining exits, the ash of the combustion in the tank is removed in effect by shower nozzle and liquid pump, the water level and the water level in the pond that preferably guarantee to reach in the stove in the tank maintain an equal level, and 200 millimeters dust settling bath 18, convenient like this ash disposal are deepened than furnace bottom in the one side in pond.Can certainly not adopt the pond sealing means only by keeping the water level in the tank, adopt the pond to make it be convenient to operation more, safe reliability is higher.
The utility model can pass through existing techniques in realizing without the technical characterictic of describing, and does not repeat them here.Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.
Claims (8)
1. but a quantity-produced straw fuel gas is exempted burnt industrial gasification unit, it comprises stalk gasifier, described stalk gasifier comprises body of heater, fire grate, with grey chamber, it is characterized in that, the ash cover is led in the grey indoor taper that is provided with little mouth down of described fire grate bottom, described grey chamber does not have the bottom of base plate and described grey chamber and leads ash cover bottom and is arranged in tank, be provided with support between described body of heater and the tank, the described part that is positioned at least more than the tank liquid level on the ash cover wall of leading is provided with the slit, described tank is provided with fluid inlet, the feed liquor valve, cell wall near described tank lowest part is provided with sewage draining exit, wash water valve, the space of the liquid level top of described tank is communicated with high temperature air delivering pipeline one end, described high temperature air delivering pipeline is provided with blower unit, be provided with thermo detector on the high temperature air delivering pipeline before and after the described blower unit, also be provided with tensimeter on the high temperature air delivering pipeline behind the blower unit, under meter, the other end of described high temperature air delivering pipeline can with the boiler direct connection.
2. but quantity-produced straw fuel gas according to claim 1 is exempted burnt industrial gasification unit, it is characterized in that the body of heater of described stalk gasifier is provided with water wall.
3. but quantity-produced straw fuel gas according to claim 1 and 2 is exempted burnt industrial gasification unit, it is characterized in that, the fire grate of described stalk gasifier adopts water pipe furnace grate.
4. but quantity-produced straw fuel gas according to claim 3 is exempted burnt industrial gasification unit, it is characterized in that, described water pipe furnace grate and water wall are communicated with, be provided with water-cooling tower between water wall and the water pipe furnace grate, the top of described water-cooling tower is communicated with the top of water wall, and the bottom of described water-cooling tower is communicated with water pipe furnace grate.
5. but quantity-produced straw fuel gas according to claim 1 is exempted burnt industrial gasification unit, it is characterized in that, the fluid inlet place in the described tank is connected with shower nozzle, is positioned at the outer liquid-inlet pipe that is connected with described shower nozzle of tank and is provided with liquid pump.
6. but exempt burnt industrial gasification unit according to claim 1 or 2 or 5 described quantity-produced straw fuel gas, it is characterized in that described tank is positioned at the pond, be provided with the dust settling bath in the pond, described sewage draining exit is corresponding with dust settling bath position.
7. but quantity-produced straw fuel gas according to claim 1 is exempted burnt industrial gasification unit, it is characterized in that, the described ash of leading covers the cone-shaped body that comprises inside and outside two-layer little mouth down, be provided with the slit on the described two-layer cone-shaped body, slit on the described internal layer cone-shaped body and the dislocation of the slit on the outer cone-shaped body are arranged.
8. but quantity-produced straw fuel gas according to claim 7 is exempted burnt industrial gasification unit, it is characterized in that described slit is linear or curved shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202684819U CN201517090U (en) | 2009-10-23 | 2009-10-23 | Industrial gasification generator set capable of continuously generating straw fuel gas without decoking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202684819U CN201517090U (en) | 2009-10-23 | 2009-10-23 | Industrial gasification generator set capable of continuously generating straw fuel gas without decoking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517090U true CN201517090U (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202684819U Expired - Fee Related CN201517090U (en) | 2009-10-23 | 2009-10-23 | Industrial gasification generator set capable of continuously generating straw fuel gas without decoking |
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| CN (1) | CN201517090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776031A (en) * | 2011-05-09 | 2012-11-14 | 龚泽 | Water tray type slag removing apparatus for gasification furnace |
-
2009
- 2009-10-23 CN CN2009202684819U patent/CN201517090U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776031A (en) * | 2011-05-09 | 2012-11-14 | 龚泽 | Water tray type slag removing apparatus for gasification furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20101023 |