CN103968369B - Secondary carbon combustion system for waste wet ash in coal gasification - Google Patents
Secondary carbon combustion system for waste wet ash in coal gasification Download PDFInfo
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- CN103968369B CN103968369B CN201410219361.5A CN201410219361A CN103968369B CN 103968369 B CN103968369 B CN 103968369B CN 201410219361 A CN201410219361 A CN 201410219361A CN 103968369 B CN103968369 B CN 103968369B
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Abstract
The invention discloses a secondary carbon combustion system for waste wet ash in coal gasification. A conveying device, a storage bin, a screw feeding device, a pressurization conveying device, a heating device and a combustion device are sequentially in series connection in the conveying device of the wet ash along the direction of conveying of the wet ash. The conveying device is used for conveying carbon containing objects (namely the wet ash) which are generated by a coal gasification device and are not completely combusted into the storage bin for conducting consolidated storage, then the screw feeding device is used for stirring and conveying the wet ash into the pressurization conveying device, and the formed wet ash is conveyed into the combustion device in a high pressure mode for conducting combustion utilization. In the high pressure conveying process, a tracing pipe is used for conducting heat insulation on the high pressure output wet ash, and it is guaranteed that the wet ash flows smoothly in a pipeline. The secondary carbon combustion system effectively solves the problem of wet ash solid waste materials generated in the coal gasification process, the waste materials are ingeniously utilized, secondary utilization of carbon is achieved, solid waste materials are reduced, energy resource recycling can also be achieved, and therefore the purposes of energy saving, emission reduction and environmental enhancement are achieved.
Description
Technical field
The present invention relates to the technical field of combustion system, the secondary charcoal burning of the wet ash of waste in more particularly, to a kind of coal gasification
System.
Background technology
The pressurized coal gasification technology growing up the nineties shows its powerful vitality, its raw material applicable surface width
Extensively, gasification temperature is high, oxygen consumption is low, available gas composition high, general (CO+H2) about 90%.
However, either water-coal-slurry or coal gasification, gasification furnace all can produce imperfect combustion carbonaceous material, these
Carbonaceous material discharges gasification furnace in the form of buck, and buck, through sedimentation filtration, is collected with aqueous about 50% wet ash, is deposited in ash
, form substantial amounts of solid refuse, this carbonaceous material is otherwise known as wet ash.Because imperfect combustion, its carbon content about 30-
40%, the wet ash being formed can not be for making cement or construction material etc., so being difficult to reuse.Again due to its calorific value relatively
Low it is impossible to make the fuel such as briquette, value is very low.The long-term this solid waste piled up will bring huge to factory
Burden and environmental pollution, and do not meet the requirement of national energy-saving reduction of discharging.
Therefore, the applicant is devoted to developing a kind of secondary charcoal combustion system of the wet ash of waste in coal gasification, solves wet ash
Process problem, realize simultaneously to wet ash effectively utilizes.
Content of the invention
In view of the deficiency that above-mentioned prior art exists, the secondary charcoal burning of the wet ash of waste in a kind of present invention coal gasification of proposition
System, solves the process problem of wet ash, realizes the effectively utilizes to wet ash simultaneously.
The present invention is to reach above-mentioned purpose, the secondary charcoal burning system of the wet ash of waste in a kind of coal gasification that the present invention provides
System, including：For transmitting the conveyer of wet ash, for storing the warehouse of wet ash, for the spiral shell being stirred conveying by wet ash
Rotation charging gear, for the pressure conveyer device of output after wet ash is pressurizeed, adds for carrying out heating and thermal insulation to wet ash
Thermal, and for wet ash is carried out with the burner utilizing that burns.
Described conveyer is connected on the wet ash input of described warehouse, and the wet ash output end of described warehouse is connected to institute
State on the wet ash input of helixes feed equipment, the wet ash output end of described helixes feed equipment connects to described pressurized delivered dress
On the wet ash input put, the wet ash output end of described pressure conveyer device connects to the wet ash input of described burner
On, the connecting line between the wet ash output end of described pressure conveyer device and the wet ash input of described burner sets
It is equipped with described heater.
Described wet ash is delivered in described warehouse by described conveyer, then is delivered to described by described helixes feed equipment
Pressure conveyer device carries out pressurized delivered to described burner and is burnt.
Preferably, the humidity detector of the wet ash humidity for detection storage is provided with described warehouse.
Preferably, being provided with pressure conveyer device described in control input in the output end of described helixes feed equipment
Wet ash flow inlet control valve.
Preferably, the flow measurement for detecting wet ash output flow is provided with the output end of described pressure conveyer device
Device.
Preferably, other on connecting line between described pressure conveyer device and described burner be connected to an eduction valve.
Preferably, described heater is heat tracing pipe, described burner is boiler, and described conveyer is conveyer belt.
Preferably, described pressure conveyer device includes：For forming the supercharging of the suction taken over wet ash motion in order
Pump group and the driving machine driving booster pump piston movement, described supercharging pump group includes multiple booster pumps, and described booster pump includes cylinder
Body and piston, described piston is connected in described driving machine, and described cylinder body is provided with the feeding mouth for inputting wet ash and use
In the discharging opening exporting wet ash, described feeding mouth is provided with feed controller, described discharging opening is provided with discharge controller；
Described feeding mouth is connected with the wet ash output end of described helixes feed equipment, and described helixes feed equipment is led by corresponding feeding mouth
Lead to and connect each described cylinder body, externally exported by corresponding discharging opening, connected to described burner by described heater
On.
Preferably, described supercharging pump group includes two or three booster pumps.
Preferably, described pressure conveyer device also includes a control device, described control device is filled with described transmission respectively
Put, helixes feed equipment, heater, burner, humidity detector, inlet control valve, flow measurement device, earial drainage
Valve, driving machine, feed controller and/or discharge controller control connection.
The beneficial effect of the secondary charcoal combustion system of the wet ash of waste in the coal gasification of the present invention：
1. in the coal gasification of the present invention, coal gasification apparatus are produced by the secondary charcoal combustion system of the wet ash of waste by conveyer
Carry out centrally stored in raw imperfect combustion carbonaceous material (i.e. wet ash) input warehouse, then stirred by helixes feed equipment
Mix conveying to squeeze into wet ash in pressure conveyer device, form wet ash high-pressure delivery and carry out burning utilization to burner, in height
By heater, the wet ash of High voltage output is incubated in pressure course of conveying, is further ensured that wet grey in the duct unimpeded
Flowing.It can be seen that the present invention effectively solves the problems, such as to produce wet ash solid waste in coal gasification course, cleverly it is used, real
Show the secondary utilization of carbon, not only decreased solid waste but also energy recovery utilization can be realized, and reached energy-saving and emission-reduction and improvement
The purpose of environment.
2. the present invention, by adding humidity detector, can carry out effective monitoring to the moisture content of wet ash, to ensure its stream
Dynamic property, meanwhile, avoids wet ash caking situation by stirring further.
3. the present invention, can be according to input and output material situation and combustion conditions by adding inlet control valve and flow measurement device
To there is provided wet ash, so that wet ash conveying and burner reach optimum Working.
4. the present invention improves pressure conveyer device further, forms the suction taken over wet ash motion by being pressurized pump group, real
The supercharging of existing wet ash and continuous conveying, can by wet ash pressurization continuous conveying to burner so that wet ash pressurized delivered process by
General gas phase intermittent pressurized mode of movement becomes mechanical pressurization continuous conveying.This improvement of the present invention can greatly reduce defeated
Pass through the energy ezpenditure of journey, improve transfer efficiency, stablize the operation of fired downstream device, reduce conveying device investment, be wet
Using providing effectively reliable conveying technique, ash is secondary to have that wet ash output pressure is high, conveying capacity is big, conveying load fluctuation
Little, equipment is simple, efficiency high, and energy consumption is low, and the advantages of reduced investment, a variety of of gas phase pressurized delivered that can be prevented effectively from routine ask
Topic.
Brief description
Fig. 1 is the structural representation of the secondary charcoal combustion system of the wet ash of waste in coal gasification.
In figure primary clustering symbol description：
Conveyer 100, warehouse 200, helixes feed equipment 300, pressure conveyer device 400, it is pressurized pump group 410, drive
Machine 420, feed controller 430, discharge controller 440, heater 500, burner 600, inlet control valve 700, flow
Measurement apparatus 800, eduction valve 900.
Specific embodiment
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the secondary charcoal combustion system of the wet ash of waste in coal gasification.As shown in figure 1, the present embodiment
Propose a kind of secondary charcoal combustion system of the wet ash of waste in coal gasification, including：For transmitting the conveyer 100 of wet ash, use
In the warehouse 200 storing wet ash, for the helixes feed equipment 300 being stirred conveying by wet ash, for carrying out to wet ash adding
The pressure conveyer device 400 of output after pressure, for carrying out the heater 500 of heating and thermal insulation, and for wet ash to wet ash
Carry out the burner 600 utilizing that burns.
As shown in figure 1, the conveyer 100 of the present embodiment is connected on the wet ash input of warehouse 200, warehouse 200
Wet ash output end is connected on the wet ash input of helixes feed equipment 300, and the wet ash output end of helixes feed equipment 300 connects
To the wet ash input of pressure conveyer device 400, the wet ash output end of pressure conveyer device 400 connects to burner 600
Wet ash input on, pressure conveyer device 400 wet ash output end and burner 600 wet ash input between company
Adapter is provided with heater 500 on road.
As shown in figure 1, be sequentially connected in series along wet ash conveying direction being formed with conveyer 100, warehouse 200, screw feeder dress
Put 300, pressure conveyer device 400, heater 500 and burner 600.Described wet ash is delivered to storage by conveyer 100
In storehouse 200, then pressure conveyer device 400 is delivered to by helixes feed equipment 300 carries out pressurized delivered and carry out to burner 600
Burning.Wherein, during high-pressure delivery, heating and thermal insulation is carried out to the wet ash of High voltage output by heater 500, further
Ensure the unimpeded flowing in the duct of wet ash.
As the further specific embodiment of the present embodiment, the present embodiment warehouse 200 is provided with for detection storage
Wet ash humidity humidity detector (not shown), the output end of helixes feed equipment 300 is provided with for controlling
Input the inlet control valve 700 of the wet ash flow in described pressure conveyer device, the output end of pressure conveyer device 400 is arranged
There are the flow measurement device 800 for detecting wet ash output flow, the company between pressure conveyer device 400 and burner 600
On adapter road, side is connected to an eduction valve 900.
Exemplary, the heater 500 of the present embodiment is heat tracing pipe, and burner 600 is boiler, conveyer 100
For conveyer belt.Carry out concentration in the wet ash input warehouse 200 that coal gasification apparatus are produced by the present embodiment by conveyer 100 to deposit
Storage, is then squeezed into wet ash in pressure conveyer device 400 by helixes feed equipment 300 stirring conveying, forms the wet ash of high pressure and protects
Temperature is delivered in burner 600 and carries out burning utilization.
In a particular embodiment, those skilled in the art can choose dissimilar or model conveyer as needed
100th, warehouse 200, helixes feed equipment 300, pressure conveyer device 400, heater 500, burner 600, charging control
Valve 700, flow measurement device 800 and eduction valve 900, here is omitted.
As the further specific embodiment of the present embodiment, the pressure conveyer device 400 of the present embodiment includes：For pressing
According to the supercharging pump group 410 sequentially forming the suction taken over wet ash motion and the driving machine 420 driving booster pump piston movement, supercharging
Pump group 410 includes two booster pumps, and described booster pump includes cylinder body and piston, and described piston is connected in driving machine 420, described
Feeding mouth for inputting wet ash and the discharging opening for exporting wet ash are provided with cylinder body, described feeding mouth is provided with charging
Controller 430, described discharging opening is provided with discharge controller 440；Described feeding mouth and the output end of helixes feed equipment 300
Connect, helixes feed equipment 300 passes through corresponding feeding mouth conducting and connects each described cylinder body, externally defeated by corresponding discharging opening
Go out, connected to burner 600 by heater 500.
As shown in figure 1, two booster pumps of the supercharging pump group 410 of the present embodiment are arranged in parallel as shown in the figure, driving machine 420
Using hydraulic press, the piston of two booster pumps is driven to replace back and forth movement in cylinder body respectively, driving machine 420 is in order successively
Drive each piston movement, form the wet ash of the suction taken over, pressurization wet ash motion in respective cylinder body and export wet ash, overall shape
Become the supercharging continuous feed of pump group 410 and the purpose of discharging.Of course, in other specific embodiments, the quantity of booster pump can
To adopt other multiple booster pumps such as 3 or 4, multi-cylinder combined layout proceeded as above, same realization supercharging as needed
The continuous feed of pump group and the purpose of discharging, here is omitted.
Exemplary, the pressure conveyer device of the present embodiment also includes a control device (not shown), described control
Device respectively with described conveyer, helixes feed equipment, heat tracing pipe, burner, humidity detector, inlet control valve,
Flow measurement device, eduction valve, driving machine, feed controller and discharge controller control connection.Of course, specifically real at other
Apply in example, the annexation between control device and each part can be adjusted as needed, and here is omitted.
Exemplary, as shown in figure 1, the concrete of secondary charcoal combustion system of the wet ash of waste should in the coal gasification of the present embodiment
As follows with situation：
In the coal gasification of the present embodiment, the secondary charcoal combustion system of the wet ash of waste is used for the wet ash that gas treatmentization produces, profit
With conveyer 100, wet ash is transported in warehouse 200, monitors the humidity of wet ash by humidity detector, can provide in time
Stir and increase humidity and reach expected requirement, the wet ash in warehouse 200 passes through helixes feed equipment 300 again and wet ash is injected pressurization
In conveying device 400, pump group 410 is pressurized by it and carries out with the pressure continuous conveying of more than 5.0MPa to burner 600
Use.
In course of conveying, the heater 500 adding is able to ensure that wet ash will not freeze in pipe in microthermal climate, plus
If eduction valve 900 then can ensure that wet ash can be discharged by pipeline at any time, the humidity detector that adds, charging control
Valve, feed controller, discharge controller and flow measurement device can control percent humidity and flow, according to the complete full journey of burning
Degree, suitably adjustment flow reaches optimum Working, effectively ensures wet ash frequency of delivery further, realizes passing through high-pressure delivery
Wet ash is delivered to boiler at discharge burnt with the cooperation of existing boiler oil, solve the process problem of wet ash, and by
Efficiently do not limited the energy-saving and emission-reduction it is achieved that enterprise in the conveying of its system by distance.Meanwhile, the calorific value that burning produces is created for factory
Made benefit, realized the secondary utilization of carbon, not only decreased solid waste but also the recovery of energy can be realized, reach energy-saving and emission-reduction and
Improve the purpose of environment.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. in a kind of coal gasification waste wet ash secondary charcoal combustion system it is characterised in that：Including
For transmitting the conveyer of wet ash,
For storing the warehouse of wet ash,
For the helixes feed equipment being stirred conveying by wet ash,
For the pressure conveyer device of output after wet ash is pressurizeed,
For wet ash is carried out with the heater of heating and thermal insulation, and
For wet ash is carried out with the burner utilizing that burns；
Described conveyer is connected on the wet ash input of described warehouse, and the wet ash output end of described warehouse is connected to described spiral shell
On the wet ash input of rotation charging gear, the wet ash output end of described helixes feed equipment connects to described pressure conveyer device
On wet ash input, the wet ash output end of described pressure conveyer device connects to the wet ash input of described burner,
It is provided with connecting line between the wet ash output end of described pressure conveyer device and the wet ash input of described burner
Described heater；
Described wet ash is delivered in described warehouse by described conveyer, then is delivered to described pressurization by described helixes feed equipment
Conveying device carries out pressurized delivered to described burner and is burnt；
Described pressure conveyer device includes：Supercharging pump group for forming the suction taken over wet ash motion in order increases with driving
The driving machine of press pump piston movement, described supercharging pump group includes multiple booster pumps,
Described booster pump includes cylinder body and piston, and described piston is connected in described driving machine, described cylinder body is provided with for
The feeding mouth of the wet ash of input and the discharging opening for exporting wet ash, described feeding mouth are provided with feed controller, described discharging
It is provided with discharge controller on mouthful；Described feeding mouth is connected with the wet ash output end of described helixes feed equipment, and described spiral is given
Material device passes through corresponding feeding mouth conducting and connects each described cylinder body, is externally exported by corresponding discharging opening, by described heating
Device connects to described burner；
The humidity detector of the wet ash humidity for detection storage is provided with described warehouse；
It is provided with the output end of described helixes feed equipment for the wet ash flow in pressure conveyer device described in control input
Inlet control valve.
2. in coal gasification as claimed in claim 1 waste wet ash secondary charcoal combustion system it is characterised in that：Described pressurization is defeated
The flow measurement device being provided with for detecting wet ash output flow is sent on the output end of device.
3. in coal gasification as claimed in claim 1 waste wet ash secondary charcoal combustion system it is characterised in that：Described pressurization is defeated
Side on the connecting line between device and described burner is sent to be connected to an eduction valve.
4. in coal gasification as claimed in claim 1 waste wet ash secondary charcoal combustion system it is characterised in that：Described heating dress
It is set to heat tracing pipe.
5. in coal gasification as claimed in claim 1 waste wet ash secondary charcoal combustion system it is characterised in that：Described burning dress
It is set to boiler.
6. in coal gasification as claimed in claim 1 waste wet ash secondary charcoal combustion system it is characterised in that：Described transmission dress
It is set to conveyer belt.
7. in the coal gasification as described in any one of claim 1-6 waste wet ash secondary charcoal combustion system it is characterised in that：Institute
State pressure conveyer device and also include a control device, described control device respectively with described conveyer, helixes feed equipment, plus
Thermal, burner, humidity detector, inlet control valve, flow measurement device, eduction valve, driving machine, feed controller
And/or discharge controller controls connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219361.5A CN103968369B (en) | 2014-05-22 | 2014-05-22 | Secondary carbon combustion system for waste wet ash in coal gasification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219361.5A CN103968369B (en) | 2014-05-22 | 2014-05-22 | Secondary carbon combustion system for waste wet ash in coal gasification |
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| Publication Number | Publication Date |
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| CN103968369A CN103968369A (en) | 2014-08-06 |
| CN103968369B true CN103968369B (en) | 2017-02-22 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19534822B4 (en) * | 1995-09-20 | 2004-02-05 | Babcock Borsig Power Systems Gmbh | Naßentascheranlage |
| JP2005274060A (en) * | 2004-03-25 | 2005-10-06 | Kubota Corp | Wet ash drying device |
| CN100445640C (en) * | 2004-06-22 | 2008-12-24 | 张维田 | Refuse combustion and step-by-step combustion system of furnace vehicle |
| JP5840024B2 (en) * | 2012-02-17 | 2016-01-06 | 三菱日立パワーシステムズ株式会社 | Plant for combined power generation using wet fuel and fuel drying method thereof |
| CN203489300U (en) * | 2013-07-23 | 2014-03-19 | 张维 | Wet ash handling device |
| CN203949158U (en) * | 2014-05-22 | 2014-11-19 | 上海捷世欧国际贸易有限公司 | The wet grey secondary charcoal combustion system of refuse in a kind of coal gasification |
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Free format text: FORMER OWNER: LU ZHIBO YAN XUEQING Effective date: 20141215 Owner name: CHANGZHENG ENGINEERING CO., LTD. Free format text: FORMER OWNER: SHANGHAI GSO INTERNAT TRADING CO., LTD. Effective date: 20141215 |
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Effective date of registration: 20141215 Address after: 101111, Beijing economic and Technological Development Zone Road East 141, No. four, Hai Road Applicant after: Aerospace Changzheng Engineering Co.,Ltd. Address before: 201203 Shanghai Jiading District Nanxiang Town Tang Road No. 99, room 3 A0561 Applicant before: Global Source One (Shanghai) LLC Applicant before: Lu Zhibo Applicant before: Yan Xueqing |
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