CN206955962U - A kind of highly effective reaction stove for coal gasification - Google Patents
A kind of highly effective reaction stove for coal gasification Download PDFInfo
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- CN206955962U CN206955962U CN201720578514.4U CN201720578514U CN206955962U CN 206955962 U CN206955962 U CN 206955962U CN 201720578514 U CN201720578514 U CN 201720578514U CN 206955962 U CN206955962 U CN 206955962U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a kind of highly effective reaction stove for coal gasification, including coal gasification apparatus, coal EGR and heat-exchange device；Coal gasification apparatus includes convolution combustion chamber and convolution reacting furnace, and circle round reacting furnace（3）It is arranged on convolution combustion chamber（2）On, combustion chamber of circling round（2）It is connected with fine coal circulator.The convolution combustion chamber（2）Including combustion chamber inlet duct, combustion chamber inlet duct is tangentially connected with convolution combustion chamber；The convolution reacting furnace（3）Madial wall on be provided with convolution guide plate for guiding air current flow.By by pulverized coal particle cycle gasification to be gasified, reaching the purpose that fine coal is gasified totally, improving the gasification efficiency of coal, reduce the length of vaporizer, saved equipment cost, improve economic benefit；By taking pre- heat reclamation device, the energy utilization efficiency of equipment can be greatly improved, lowers production cost, reaches the purpose of energy-conserving and environment-protective.
Description
Technical field
A kind of coal gasifier is the utility model is related to, more particularly to a kind of highly effective reaction stove for coal gasification.
Background technology
Coal Gasification Technology refers to the coal Jing Guo proper treatment to be sent into reactor such as gasification furnace, in certain temperature and pressure
Under power, by oxidant (air or oxygen and steam) with the certain type of flow (moving bed, fluid bed carry bed) conversion
Into gas, rough water coal vapour is obtained, refined carbon monoxide gas can be obtained by techniques such as follow-up desulfurization and decarburizations.Fixed bed gasification
In gasification, coal is added by top of gasification furnace, and gasifying agent is added by gasification furnace bottom, coal charge and gasifying agent counter current contacting,
For the rate of climb of gas, coal charge decrease speed is very slow, or even can be considered fixed, therefore referred to as fixed bed
Gasification；And in fact, coal charge is moved down with very slow speed in gasification, more accurately it is called moving bed
Gasification.Fixed bed gasification can only be using not grume coal as raw material, not only expensive starting materials, and the intensity of gasification is low, and gas-solid adverse current is changed
Heat, it is more containing phenols, tar etc. in raw gas, purification process is lengthened, adds investment and cost.
So, equipment costliness be present, tapping temperature is high, it is impossible to which be gasified totally coal particles, the problems such as capacity usage ratio is low.
Utility model content
Goal of the invention of the present utility model is：For above-mentioned problem, there is provided a kind of for the efficient of coal gasification
Reacting furnace, by by pulverized coal particle cycle gasification to be gasified, reaching the purpose that fine coal is gasified totally, by taking pre- recuperation of heat
Device, the energy utilization efficiency of equipment can be greatly improved, lower production cost, reach the purpose of energy-conserving and environment-protective.
The technical solution adopted in the utility model is as follows：
A kind of highly effective reaction stove for coal gasification, including coal gasification apparatus, coal EGR and heat-exchange device；Coal gas
Makeup is put to be arranged on convolution combustion chamber including convolution combustion chamber and convolution reacting furnace, convolution reacting furnace, the connection of convolution combustion chamber
There is fine coal circulator.
The convolution combustion chamber includes combustion chamber inlet duct, and combustion chamber inlet duct is tangentially connected with convolution combustion chamber；It is described
The convolution guide plate for guiding air current flow is provided with the madial wall of convolution reacting furnace.
The bottom of the convolution combustion chamber is provided with the heavy coal collection chamber for collecting fine coal, and fine coal circulator includes fine coal
Circulating pump, the entrance of fine coal circulating pump are connected with heavy coal collection chamber, and the outlet of fine coal circulating pump is connected with combustion chamber inlet duct.
The flow deflector for guiding air current flow is provided with the inwall of the convolution combustion chamber and the reacting furnace that circles round.
Further, it is described the invention also discloses a kind of preferred structure of the highly effective reaction stove for coal gasification
The top of convolution reacting furnace is connected with sootfall room, and gas exit, the pipe of gas exit are provided with the top of sootfall room
Coal ash separation net is provided with road；The side of sootfall room and the junction of convolution reacting furnace is provided with coal ash locker room, coal
The bottom of grey locker room is connected with coal ash outlet.
Further, heat-exchange device includes heating tube, and heating tube is arranged in sootfall room, and the entrance of heating tube connects
Feed(raw material)inlet is connected to, the outlet of heating tube is connected with the combustion chamber inlet duct for combustion chamber of circling round.
Further, shell is also included, convolution combustion chamber, convolution reacting furnace, sootfall room, fine coal circulator are all provided with
Put in shell, the gap between shell and convolution combustion chamber, convolution reacting furnace, sootfall room, fine coal circulator is filled with
High temperature resistant heat insulation material.
Further, the gas exit, feed(raw material)inlet and coal ash outlet are provided with valve.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
（1）By by pulverized coal particle cycle gasification to be gasified, reaching the purpose that fine coal is gasified totally, improving the gas of coal
Change efficiency, reduce the length of vaporizer, saved equipment cost, improve economic benefit；
（2）By taking pre- heat reclamation device, the energy utilization efficiency of equipment can be greatly improved, lowers production cost, reaches
To the purpose of energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Marked in figure：1 is shell, and 2 be convolution combustion chamber, and 3 be convolution reacting furnace, and 4 be heating tube, and 5 be sootfall room,
6 be fine coal circulator, and 7 be gas exit, and 8 be feed(raw material)inlet, and 9 be coal ash outlet, and 10 be coal ash locker room；
201 be combustion chamber inlet duct, and 202 be heavy coal collection chamber；301 be convolution reaction furnace wall, and 302 be convolution guide plate；
501 be coal ash separation net；601 be fine coal circulating pump.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in figure 1, the utility model discloses a kind of highly effective reaction stove for coal gasification, including coal gasification apparatus,
Coal EGR and heat-exchange device；Coal gasification apparatus can carry out coal particle and air, oxygen or vapor reaction generation can
Combustion gas body, coal EGR can by unvaporized coal particle in gasification installation circular response, untill being gasified totally；Heat is handed over
Changing device can absorb the waste heat in coal gas and the raw material for heating question response, reduce the energy resource consumption of reacting furnace, improve economical
Benefit.Coal gasification apparatus includes convolution combustion chamber 2 and convolution reacting furnace 3, and raw material quickly follows in the combustion process of combustion chamber 2 of circling round
Ring, reaches clean-burning purpose, and convolution reacting furnace 3 can extend the reaction distance of coal gasification, in identical reacting furnace, coal
Grain can stop the longer time, improve reaction efficiency.The strong rotational shear turbulent motion of strong Three-Dimensional Elliptic is produced, energy will be not anti-
The coal particle answered is deposited to the convolution bottom of combustion chamber 2.Convolution reacting furnace 3 is arranged on convolution combustion chamber 2, and convolution combustion chamber 2 connects
It is connected to fine coal circulator 6.Fine coal circulator 6 can circulate coal particle in convolution combustion chamber 2 and convolution reacting furnace 3, until powder
Untill coal is gasified totally.
The convolution combustion chamber 2 includes combustion chamber inlet duct 201, combustion chamber inlet duct 201 and 2 tangential phase of combustion chamber of circling round
Even；Combustion chamber inlet duct 201 and convolution combustion chamber 2 is tangentially-arranged, when raw material is sprayed into convolution combustion chamber 2, rotation can be produced
Stream, is optimal reaction effect and longer reaction time.It is provided with the madial wall of the convolution reacting furnace 3 for guiding gas
The convolution guide plate 302 of flowing.The energy secondary air of convolution guide plate 302 does circumnutation, further improves the reaction of raw material
Time.
The bottom of the convolution combustion chamber 2 is provided with the heavy coal collection chamber 202 for collecting fine coal, and fine coal circulator 6 wraps
Include fine coal circulating pump 601, the entrance of fine coal circulating pump 601 is connected with heavy coal collection chamber 202, the outlet of fine coal circulating pump 601 with
Combustion chamber inlet duct 201 is connected.The coal particle that heavy coal collection chamber 202 can collect unreacted completely and settle down, fine coal circulation
Pump 601 can provide power for the circulation of coal particle.
The flow deflector for guiding air current flow is provided with the inwall of the convolution combustion chamber 2 and the reacting furnace 3 that circles round.
Flow deflector can guide air-flow olderly flowage, while improving stability of the production process, increase the reaction time of coal particle.
Further, it is described the invention also discloses a kind of preferred structure of the highly effective reaction stove for coal gasification
The top of convolution reacting furnace 3 is connected with sootfall room 5, and the top of sootfall room 5 is provided with gas exit 7, gas exit 7
Pipeline in be provided with coal ash separation net 501；The diameter of sootfall room 5 is more than convolution reacting furnace 3, and gas enters sootfall
Behind room 5, speed slows down, and coal ash will be deposited to the less region of air pressure downwards.Coal ash separation net 501 can prevent coal ash from coal gas
Outlet is discharged, and reduces gas quality, blocks gas piping.The side of sootfall room 5 and the junction for the reacting furnace 3 that circles round is set
Coal ash locker room 10 is equipped with, the bottom of coal ash locker room 10 is connected with coal ash outlet 9.Coal ash locker room 10 stores coal ash
Come, periodically discharge.
Further, heat-exchange device includes heating tube 4, and heating tube 4 is arranged in sootfall room 5, and heating tube 4 enters
Mouth is connected with feed(raw material)inlet 8, and the outlet of heating tube 4 is connected with the combustion chamber inlet duct 201 for combustion chamber 2 of circling round.Heating tube 4 can inhale
The heat of coal gas in sootfall room 5, and the raw material in heating tube are received, improves the temperature that raw material enters convolution combustion chamber 2.Heating
Pipe 4 can reduce the temperature in sootfall room 5, further reduce the pressure of sootfall room 5, reduce the flow velocity of gas, carry
The separating rate of high coal ash.
Further, shell 1, convolution combustion chamber 2, convolution reacting furnace 3, sootfall room 5, fine coal circulator are also included
6 are arranged in shell 1, between shell 1 and convolution combustion chamber 2, convolution reacting furnace 3, sootfall room 5, fine coal circulator 6
Gap is filled with high temperature resistant heat insulation material.The heat that high temperature resistant heat insulation material can reduce reacting furnace scatters and disappears, and improves processing efficiency.
Further, the gas exit 7, feed(raw material)inlet 8 and coal ash outlet 9 are provided with valve.Set valve can be just
Safety and orderly function in control device.
When specifically used, fine coal and a certain amount of moisture of air are passed through stove first, after lighting, maintain certain pressure
And temperature, you can coal is become into coal gas.
Carrying out practically process, the air pulverized coal mixture of energy completely burned coal particles is passed first into, in convolution combustion chamber 2
Inside light and burn, the ratio of air is gradually reduced after furnace temperature, which reaches certain, to be required.Coal meeting imperfect combustion, becomes flammable
Gas, realize the gasification of coal.Mixed material is after the primary combustion of combustion chamber 2 of circling round, and under the promotion of air-flow, mixed gas is entered
Enter to circle round reacting furnace 3, and gas circles round rising in the reacting furnace 3 that circles round, and fine coal gradually gasifies；The pulverized coal particle not being gasified totally sinks
Heavy coal collection chamber 202 is dropped to, and combustion chamber inlet duct 201 is entered by fine coal circulator 6 and carries out above circular response, until complete
Untill full response.The coal gas generated after coal gasification enters sootfall room 5, and the diameter of sootfall room 5 is more than convolution reacting furnace 3
Diameter, after gas enters sootfall room 5, speed slows down, and coal ash will be deposited to downwards in coal ash locker room 10, and periodically
Discharge.Raw material enters convolution reacting furnace 3 by heating tube 4, and heating tube 4 can absorb the heat in coal gas in sootfall room 5
Amount, and heat raw material；The temperature of sootfall room 5 can also be reduced, further reduces the speed of flow of gas, improves the heavy of coal ash
Efficiency drops.So, the gasification efficiency of coal is improved, the length of vaporizer is reduced, has saved equipment cost, improves economic effect
Benefit；The energy utilization efficiency of equipment can also be greatly improved, lowers production cost, reaches the purpose of energy-conserving and environment-protective.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
- A kind of 1. highly effective reaction stove for coal gasification, it is characterised in that：Including coal gasification apparatus, coal EGR and heat exchange Device；Coal gasification apparatus includes convolution combustion chamber（2）With convolution reacting furnace（3）, circle round reacting furnace（3）It is arranged on convolution combustion chamber （2）On, combustion chamber of circling round（2）It is connected with fine coal circulator（6）.
- A kind of 2. highly effective reaction stove for coal gasification as claimed in claim 1, it is characterised in that：The convolution combustion chamber （2）Including combustion chamber inlet duct（201）, combustion chamber inlet duct（201）With combustion chamber of circling round（2）It is tangential to be connected；The convolution is anti- Answer stove（3）Madial wall on be provided with convolution guide plate for guiding air current flow（302）.
- A kind of 3. highly effective reaction stove for coal gasification as claimed in claim 1, it is characterised in that：The convolution combustion chamber （2）Bottom be provided with heavy coal collection chamber for collecting fine coal（202）, fine coal circulator（6）Including fine coal circulating pump （601）, fine coal circulating pump（601）Entrance and heavy coal collection chamber（202）It is connected, fine coal circulating pump（601）Outlet and burning Room air inlet pipe（201）It is connected.
- A kind of 4. highly effective reaction stove for coal gasification as described in one of claim 1-3, it is characterised in that：Described time Revolve combustion chamber（2）With convolution reacting furnace（3）Inwall on be provided with flow deflector for guiding air current flow.
- A kind of 5. highly effective reaction stove for coal gasification as claimed in claim 2, it is characterised in that：The convolution reacting furnace （3）Top be connected with sootfall room（5）, sootfall room（5）Top be provided with gas exit（7）, gas exit（7） Pipeline in be provided with coal ash separation net（501）；Sootfall room（5）With the reacting furnace that circles round（3）Junction side set There is coal ash locker room（10）, coal ash locker room（10）Bottom be connected with coal ash outlet（9）.
- A kind of 6. highly effective reaction stove for coal gasification as claimed in claim 5, it is characterised in that：Heat-exchange device includes adding Heat pipe（4）, heating tube（4）It is arranged on sootfall room（5）It is interior, heating tube（4）Entrance be connected with feed(raw material)inlet（8）, heating Pipe（4）Outlet with convolution combustion chamber（2）Combustion chamber inlet duct（201）It is connected.
- A kind of 7. highly effective reaction stove for coal gasification as claimed in claim 6, it is characterised in that：Also include shell（1）, Convolution combustion chamber（2）, convolution reacting furnace（3）, sootfall room（5）, fine coal circulator（6）It is arranged at shell（1）It is interior, shell （1）With combustion chamber of circling round（2）, convolution reacting furnace（3）, sootfall room（5）, fine coal circulator（6）Between gap be filled with High temperature resistant heat insulation material.
- A kind of 8. highly effective reaction stove for coal gasification as claimed in claim 6, it is characterised in that：The gas exit（7）、 Feed(raw material)inlet（8）Exported with coal ash（9）It is provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578514.4U CN206955962U (en) | 2017-05-23 | 2017-05-23 | A kind of highly effective reaction stove for coal gasification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578514.4U CN206955962U (en) | 2017-05-23 | 2017-05-23 | A kind of highly effective reaction stove for coal gasification |
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| Publication Number | Publication Date |
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| CN206955962U true CN206955962U (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720578514.4U Active CN206955962U (en) | 2017-05-23 | 2017-05-23 | A kind of highly effective reaction stove for coal gasification |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109022044A (en) * | 2018-10-19 | 2018-12-18 | 四川蓝星机械有限公司 | A kind of coal gasification reaction device |
| CN109370659A (en) * | 2018-11-27 | 2019-02-22 | 方忠平 | A kind of powder coal gasification furnace with storage device for coal |
-
2017
- 2017-05-23 CN CN201720578514.4U patent/CN206955962U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109022044A (en) * | 2018-10-19 | 2018-12-18 | 四川蓝星机械有限公司 | A kind of coal gasification reaction device |
| CN109022044B (en) * | 2018-10-19 | 2023-10-20 | 四川蓝星机械有限公司 | Coal gasification reaction device |
| CN109370659A (en) * | 2018-11-27 | 2019-02-22 | 方忠平 | A kind of powder coal gasification furnace with storage device for coal |
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