CN205979750U - U gas gasifier flying dust is combustion system again - Google Patents
U gas gasifier flying dust is combustion system again Download PDFInfo
- Publication number
- CN205979750U CN205979750U CN201620855541.7U CN201620855541U CN205979750U CN 205979750 U CN205979750 U CN 205979750U CN 201620855541 U CN201620855541 U CN 201620855541U CN 205979750 U CN205979750 U CN 205979750U
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- valve
- low pressure
- flying dust
- gas
- fly ash
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Abstract
The utility model discloses a U gas gasifier flying dust is combustion system again, including gasification flying dust storehouse, set up at the bottom of the reservior push -pull valve of flying dust bottom of the reservior portion that gasifies, push -pull valve below in bottom of the reservior is provided with the buffer tank, and the buffer tank below is provided with the frequency conversion batcher, and frequency conversion batcher below is provided with low pressure continuous conveyor pump, and low pressure continuous conveyor pump passes through the secondary air channel of pipe connection setting on the furnace body lateral wall of boiler, the air supply system is connected simultaneously to low pressure continuous conveyor pump. The utility model discloses guarantee that the gasification equipment flying dust can quantitative controllable carrying in succession, operating mode safety and stability when guaranteeing the boiler combustion, the batcher of frequency conversion is simultaneously operated through DCS, guarantees the convenience of operation, and the delivery pump has connect air, two way air supplies of nitrogen gas simultaneously, and the alternative is carried, the problem of the outer site environment who causes that arranges of gasification flying dust pollute is solved, simultaneously failing the carbon residue of complete reaction with gasification equipment and getting into boiler second burner, practiced thrift the cost greatly, reduced consumption, economic benefits is huge.
Description
Technical field
This utility model is related to combustion system of circulating fluidized bed boiler and u-gas gasification furnace dust conveying system equipment neck
Domain, the system that specially a kind of u-gas gasification furnace fly ash carry is burnt to fluidized-bed combustion boiler again.
Background technology
With the continuous progress of social continuous development and science and technology, people, while meeting material life, start
Cultural life and living environment are put forward higher requirement.
As the fire coal remaining as China's main energy sources at present, the dust producing in its combustion process is still air pollution
Important polluter, for the improvement in pollution that caused by coal burning source, always government and manufacturing enterprise are of interest and unremitting for a long time
The direction made great efforts.
During coal gasifying process, u-gas gasification furnace is using a kind of relatively broad gasification furnace, but u-gas
The unburned carbon in flue dust that gasification furnace is discharged is high, particle diameter is thin, easily cause environmental pollution；Cause that work site environments are poor, discharge carbon residue is high,
The big situation of energy waste.Not only have a strong impact on site environment；And cost raises, affect economic benefit.
Therefore in order to solve site environment pollution problem, reduces cost, reduce and consume, the flying dust to u-gas gasification installation
Processed, reduce and consume, it is to avoid the environmental pollution at scene, has been a urgent problem.
Content of the invention
Not enough in above-mentioned prior art in order to overcome, this utility model provides one kind is not affecting existing technique productions
In the case of equipment normal work operating mode, the fly ash carry that u-gas gasification furnace is produced is burnt again to fluidized-bed combustion boiler
Dedusting afterwards, substantially increases flying dust and directly discharges pollution on the environment and a kind of u-gas gasification wasting to the energy
Converter fly ash after burner system is united.
The purpose of this utility model is realized in：
A kind of u-gas gasification furnace fly ash refiring burns system, including gasification flying dust storehouse 16, is arranged on gasification flying dust storehouse 16 bottom
Bottom of the reservior push-pull valve 1, be provided with surge tank 3 below bottom of the reservior push-pull valve 1, below surge tank 3, be provided with frequency conversion batcher 4, frequency conversion
It is provided with low pressure continuous transfer pump 5, low pressure continuous transfer pump 5 passes through the body of heater in boiler 14 for the pipeline connect setting below batcher
Secondary air channel 13 on the wall of side；Described low pressure continuous transfer pump 5 is simultaneously connected with air supply system；
Described air supply system includes air origin system and nitrogen origin system；
Described surge tank 3 is connected with pressure release butterfly valve 2；
Described air supply system includes passing through the air battery limit (BL) valve 11 being arranged on trachea, butterfly valve from the air source of plant area
9 and Self-operated pressure reducing valve 10 decompression after as conveying source of the gas connect low pressure continuous transfer pump 5, simultaneously in battery limit (BL) valve 11 and butterfly valve 9
Between trachea on be connected with the source nitrogen system pipeline being provided with nitrogen battery limit (BL) valve 12；
Bleed pressure table assembly 7 is provided with described gas source pipe simultaneously；
Be disposed with pipeline between described low pressure continuous transfer pump 5 and secondary air channel 13 the first knife gate valve 6,
First pressure table assembly a, second pressure table assembly b and the second knife gate valve 8；
Described boiler 14 includes burner hearth, and an air compartment 15 being arranged on burner hearth bottom；Described secondary air channel 13
Directly connect with burner hearth.
Positive beneficial effect：This utility model passes through frequency conversion batcher, low pressure continuous transfer pump, pressure release butterfly valve, factory's sky
Gas, the design of nitrogen, frequency conversion batcher and low pressure continuous transfer pump ensure that gasification installation flying dust can quantitatively continuously controlled enter
It is ensured that working condition safety during boiler combustion is stable, frequency conversion batcher is operated by DCS it is ensured that being operated simultaneously for row conveying
Convenience, simultaneously delivery pump be connected to air, nitrogen two-way source of the gas, alternative is conveyed.This design solves gasification flying dust
The site environment pollution problem that outer row causes, the carbon residue simultaneously gasification installation being failed reaction completely enters boiler and burns again,
Greatly save cost, reduce consumption, economic benefit is huge.
Brief description
Fig. 1 is system construction drawing of the present utility model；
In figure is：Bottom of the reservior push-pull valve 1, pressure release butterfly valve 2, surge tank 3, frequency conversion batcher 4, low pressure continuous transfer pump 5, first
Knife gate valve 6, bleed pressure table assembly 7, the second knife gate valve 8, air battery limit (BL) valve 11, nitrogen battery limit (BL) valve 12, secondary air channel 13,
14, air compartment 15 of boiler, first pressure table assembly a, second pressure table assembly b.
Specific embodiment
Below in conjunction with the accompanying drawings, this utility model is described further：
A kind of u-gas gasification furnace fly ash refiring burns system, including gasification flying dust storehouse 16, is arranged on gasification flying dust storehouse 16 bottom
Bottom of the reservior push-pull valve 1, be provided with surge tank 3 below bottom of the reservior push-pull valve 1, below surge tank 3, be provided with frequency conversion batcher 4, frequency conversion
It is provided with low pressure continuous transfer pump 5, low pressure continuous transfer pump 5 passes through the body of heater in boiler 14 for the pipeline connect setting below batcher
Secondary air channel 13 on the wall of side；Described low pressure continuous transfer pump 5 is simultaneously connected with air supply system；
Described air supply system includes air origin system and nitrogen origin system；
Described surge tank 3 is connected with pressure release butterfly valve 2；
Described air supply system includes passing through the air battery limit (BL) valve 11 being arranged on trachea, butterfly valve from the air source of plant area
9 and Self-operated pressure reducing valve 10 decompression after as conveying source of the gas connect low pressure continuous transfer pump 5, simultaneously in battery limit (BL) valve 11 and butterfly valve 9
Between trachea on be connected with the source nitrogen system pipeline being provided with nitrogen battery limit (BL) valve 12；
Bleed pressure table assembly 7 is provided with described gas source pipe simultaneously；
Be disposed with pipeline between described low pressure continuous transfer pump 5 and secondary air channel 13 the first knife gate valve 6,
First pressure table assembly a, second pressure table assembly b and the second knife gate valve 8；
Described boiler 14 includes burner hearth, and an air compartment 15 being arranged on burner hearth bottom；Described secondary air channel 13
Directly connect with burner hearth.
As shown in figure 1, gasification furnace fly ash carry includes bottom of the reservior push-pull valve 1 and top gas to fluidized-bed combustion boiler after burner system system
Ashing storehouse connects, and is connected with lower buffer tank 3, and surge tank 3 passes through pressure release butterfly valve 2 to the grey storehouse pressure release of gasification, and frequency conversion batcher 4 is even
Connect portion's surge tank 3 and bottom low pressure continuous transfer pump 5, low pressure continuous transfer pump 5 air inlet connects factory air and nitrogen respectively
Feed channel, outlet are connected with boiler plant by the first knife gate valve 6, pipeline, the second knife gate valve 8.Factory air, nitrogen divide
Tong Guo factory air battery limit (BL) valve 11, nitrogen battery limit (BL) valve 12 not be connected with pipeline, by butterfly valve 9, Self-operated pressure reducing valve 10 and low pressure
Continuous transfer pump 5 connects.
Operation principle：The flying dust in the grey storehouse of gasification enters surge tank 3 through bottom of the reservior push-pull valve 1, pass through simultaneously pressure release butterfly valve 2 to
The pressure release of grey storehouse, frequency conversion batcher 4 controls frequency conversion conveying that flying dust is delivered to low pressure continuous transfer pump 5 by DCS, using through decompression
Factory air or the fly ash carry that frequency conversion batcher convey as conveying source of the gas of nitrogen to circulating fluidized bed boiler device, logical
Cross in the secondary wind air inlet entrance burner hearth of boiler and burn again.
This utility model realizes flying dust continuous conveying by low pressure continuous transfer pump it is ensured that Combustion Operation of Boilers does not occur ripple
Dynamic.By frequency conversion batcher VFC thus the quantitation realizing conveying flying dust is controlled it is ensured that Boiler Mixed Burning amount does not interfere with this
Body combustion conditions.,
Above-described embodiment is merely to illustrate the technical scheme that this utility model is embodied as rather than is limited, affiliated
The those of ordinary skill of technical field it should be understood that without prejudice on the premise of this utility model objective, do not change its performance or
Any equivalent substitute or obvious modification that purposes is carried out to embodiment of the present utility model, all should cover please in this utility model
Ask in the range of protection.
Claims (7)
1. a kind of u-gas gasification furnace fly ash refiring burn system it is characterised in that：Including gasification flying dust storehouse（16）, it is arranged on gasification
Flying dust storehouse（16）The bottom of the reservior push-pull valve of bottom（1）, bottom of the reservior push-pull valve（1）Lower section is provided with surge tank（3）, surge tank（3）Lower section
It is provided with frequency conversion batcher（4）, below frequency conversion batcher, it is provided with low pressure continuous transfer pump（5）, low pressure continuous transfer pump（5）Logical
Piping connect setting is in boiler（14）Sidewall of the furnace body on secondary air channel（13）；Described low pressure continuous transfer pump（5）With
When connect air supply system.
2. a kind of u-gas gasification furnace fly ash refiring according to claim 1 burn system it is characterised in that：Described buffering
Tank（3）It is connected with pressure release butterfly valve（2）.
3. a kind of u-gas gasification furnace fly ash refiring according to claim 1 burn system it is characterised in that：Described source of the gas
System includes air origin system and nitrogen origin system.
4. a kind of u-gas gasification furnace fly ash refiring according to claim 3 burn system it is characterised in that：Described air
Origin system includes passing through, from the air source of plant area, the air battery limit (BL) valve being arranged on trachea（11）, butterfly valve（9）Subtract with self-operated type
Pressure valve（10）Low pressure continuous transfer pump is connected as conveying source of the gas after decompression（5）, simultaneously in battery limit (BL) valve（11）And butterfly valve（9）Between
Trachea on be connected with and be provided with nitrogen battery limit (BL) valve（12）Source nitrogen pipeline.
5. a kind of u-gas gasification furnace fly ash refiring according to claim 1 burn system it is characterised in that：Described source of the gas
Bleed pressure table assembly is provided with pipeline simultaneously（7）.
6. a kind of u-gas gasification furnace fly ash refiring according to claim 1 burn system it is characterised in that：Described low pressure
Continuous transfer pump（5）With secondary air channel（13）Between pipeline on be disposed with the first knife gate valve（6）, first pressure table group
Part（a）, second pressure table assembly（b）With the second knife gate valve（8）.
7. a kind of u-gas gasification furnace fly ash refiring according to claim 1 burn system it is characterised in that：Described boiler
（14）Including burner hearth, and an air compartment being arranged on burner hearth bottom（15）；Described secondary air channel（13）Directly connect with burner hearth
Logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620855541.7U CN205979750U (en) | 2016-08-10 | 2016-08-10 | U gas gasifier flying dust is combustion system again |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620855541.7U CN205979750U (en) | 2016-08-10 | 2016-08-10 | U gas gasifier flying dust is combustion system again |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205979750U true CN205979750U (en) | 2017-02-22 |
Family
ID=59976552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620855541.7U Expired - Fee Related CN205979750U (en) | 2016-08-10 | 2016-08-10 | U gas gasifier flying dust is combustion system again |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205979750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913217A (en) * | 2018-08-20 | 2018-11-30 | 湖北云华安化工有限公司 | A kind of air supply system and air supply method of gasification furnace |
-
2016
- 2016-08-10 CN CN201620855541.7U patent/CN205979750U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913217A (en) * | 2018-08-20 | 2018-11-30 | 湖北云华安化工有限公司 | A kind of air supply system and air supply method of gasification furnace |
| CN108913217B (en) * | 2018-08-20 | 2024-02-06 | 湖北云华安化工有限公司 | Air supply system and air supply method of gasification furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20200810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |