CN209213905U - A kind of pulverized coal combustion system - Google Patents
A kind of pulverized coal combustion system Download PDFInfo
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- CN209213905U CN209213905U CN201821793335.3U CN201821793335U CN209213905U CN 209213905 U CN209213905 U CN 209213905U CN 201821793335 U CN201821793335 U CN 201821793335U CN 209213905 U CN209213905 U CN 209213905U
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Abstract
The utility model discloses a kind of pulverized coal combustion system, which is characterized in that including coal-grinding apparatus, blower fan apparatus, combustion furnace, coal-grinding apparatus includes medium-speed pulverizer；Blower fan apparatus includes air-introduced machine, tailing separator, and the air intake of air-introduced machine is connected with the discharge end of medium-speed pulverizer；Tailing separator includes connecting tube, the first heating member, helix tube, separating plate, rough coal tube cell, duff tube cell, and connecting tube one end is connected with the air outlet of air-introduced machine；First heating member is built in connecting tube；Separating plate is built in helix tube, and helix tube is divided into rough coal powder chamber, fine breeze chamber, and rough coal powder chamber is connected with the other end of connecting tube；Rough coal tube cell is connected with rough coal powder chamber, and the other end of rough coal tube cell is connected with medium-speed pulverizer feed end；Duff tube cell one end is connected with fine breeze chamber, and the duff tube cell other end is connected with the feed end of combustion furnace.The utility model can be sufficiently dry to fine breeze.
Description
Technical field
The utility model relates to raw coal combustion technical fields, and in particular to a kind of pulverized coal combustion system.
Background technique
Direct-firing pulverized coal combustion system have many advantages, such as land occupation less, characteristics of compact layout, structure it is simple, flexible and convenient.It is existing
Direct-firing pulverized coal combustion system generally comprises feeder, medium-speed pulverizer, tailing separator, blower, combustion furnace, and feeder will be former
Coal is sent into medium-speed pulverizer, and blower blasts hot wind in medium-speed pulverizer, and raw coal is dried and refined in medium-speed pulverizer, refinement
Coal dust and air afterwards enters tailing separator, and thinner coal dust and air will be sent into combustion furnace by tailing separator to be fired
It burns, this direct-firing pulverized coal combustion system existing defects are blasted since coal dust is mixed in medium-speed pulverizer by blower
Coal dust, raw coal is dried in hot wind, and drying effect is bad, and without any heating device after medium-speed pulverizer, so that medium-speed pulverizer
The Moisture high UCL that the coal dust being discharged in coal machine contains, through the burning for influencing coal dust.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, provide a kind of pulverized coal combustion system, solve existing skill
The technical issues of Moisture high UCL influences the burning of coal dust in coal dust in art.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of pulverized coal combustion system, and feature exists
In, including coal-grinding apparatus, blower fan apparatus, combustion furnace, the coal-grinding apparatus include feeder, medium-speed pulverizer, the feeder
Discharge end be connected with the medium-speed pulverizer feed end；The blower fan apparatus includes air-introduced machine, tailing separator, described to draw
The air intake of blower is connected with the discharge end of the medium-speed pulverizer；The tailing separator includes connecting tube, the first heating
Part, helix tube, separating plate, rough coal tube cell, duff tube cell, described connecting tube one end are connected with the air outlet of the air-introduced machine；
First heating member is built in the connecting tube；The separating plate is built in the helix tube along the helix tube rotation direction, and
The helix tube is divided into rough coal powder chamber, fine breeze chamber, the fine breeze chamber is arranged on the inside of the helix tube, and
The fine breeze chamber is closed at one end close to the helix tube air intake, the other end of the rough coal powder chamber and the connecting tube
It is connected, the separating plate offers multiple filter hole close to the helix tube air intake, and the both ends of the filter hole connect respectively
Logical rough coal powder chamber, fine breeze chamber；Rough coal tube cell one end is connected with the rough coal powder chamber, and connectivity part is close to institute
The setting of helix tube outlet air end is stated, the other end of the rough coal tube cell is connected with the medium-speed pulverizer feed end；The duff
Tube cell one end is connected with the fine breeze chamber, and connectivity part is arranged close to the helix tube outlet air end, the duff tube cell
The other end is connected with the feed end of the combustion furnace.
Compared with prior art, the beneficial effects of the utility model include: and can be mixed to coal dust by the way that the first heating member is arranged
It closes object to be heated, reduces the content of moisture in coal dust；It, can be to the mixing of coal dust and air by the way that helix tube, separating plate is arranged
Object carries out thickness separation, and fine breeze and hot-air mix, and fine breeze can be dried faster；By the way that rough coal powder is arranged
Pipe, the air and rough coal powder for heating the first heating member are mixed into medium-speed pulverizer, can play to the coal in medium-speed pulverizer
Certain desiccation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic three dimensional views of helix tube and separating plate in the utility model；
Fig. 3 is the schematic three dimensional views of helix tube and another visual angle of separating plate in the utility model；
Fig. 4 is the partial enlargement diagram in Fig. 3 at M.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model provides a kind of pulverized coal combustion system, as shown in Figures 1 to 4, including coal-grinding apparatus 1, blower fan apparatus
2, combustion furnace 3.
Coal-grinding apparatus 1 includes feeder 11, medium-speed pulverizer 12, and the discharge end and medium-speed pulverizer 12 of feeder 11 are fed
End is connected.
Blower fan apparatus 2 includes air-introduced machine 2a, tailing separator 2b, the air intake of air-introduced machine 2a and going out for medium-speed pulverizer 12
Material end is connected.
Tailing separator 2b includes connecting tube b1, the first heating member b2, helix tube b3, separating plate b4, rough coal tube cell b5, thin
Coal pipe b6, the second heating member b7, the first valve b8, the second valve b9, third valve b10, cleaning pipe b11, the 4th valve
B12, the one end connecting tube b1 are connected with the air outlet of air-introduced machine 2a；First heating member b2 is built in connecting tube b1, the first heating
Part b2 is the device for providing heat and being heated to coal dust, the heating wire of preferred first heating member b2；Separating plate b4 is along spiral
Pipe b3 rotation direction is built in helix tube b3, and helix tube b3 is divided into rough coal powder chamber, fine breeze chamber, and the fine breeze chamber leans on
Setting on the inside of nearly helix tube b3, and the fine breeze chamber is close to the closed at one end of helix tube b3 air intake, the rough coal powder chamber
It is connected with the other end of connecting tube b1, separating plate b4 offers multiple filter hole, the filtering close to helix tube b3 air intake
The both ends in hole are respectively communicated with rough coal powder chamber, fine breeze chamber；Rough coal one end tube cell b5 is connected with the rough coal powder chamber, and
Connectivity part is arranged close to helix tube b3 outlet air end, and the other end of rough coal tube cell b5 is connected with 12 feed end of medium-speed pulverizer；Carefully
The one end coal pipe b6 is connected with the fine breeze chamber, and connectivity part is arranged close to helix tube b3 outlet air end, duff tube cell b6
The other end is connected with the feed end of combustion furnace 3.
Second heating member b7 is built in rough coal tube cell b5, and the second heating member b7 is the dress for providing heat and being heated to coal dust
It sets, the heating wire of preferred second heating member b7；First valve b8 is set to rough coal tube cell b5, and the second valve b9 is set to duff
Tube cell b6；Third valve b10 is set to connecting tube b1, and the one end cleaning pipe b11 is connected with connecting tube b1, and connectivity part is located at
Between third valve b10 and air-introduced machine 2a, the cleaning pipe b11 other end is connected with the fine breeze chamber；4th valve b12
It is set to cleaning pipe b11.
Preferably, the junction of cleaning pipe b11 and connecting tube b1 is arranged close to the upper end connecting tube b1.
The specific workflow of the utility model: raw coal is sent into medium-speed pulverizer 12, medium-speed pulverizer 12 by feeder 11
Raw coal is subjected to pulverization process, air-introduced machine 2a draws the coal dust after refinement and coal dust is sent into connecting tube b1, the first b2 pairs of heating member
Coal dust is heated, and the moisture in coal dust is reduced；Coal dust and air enter rough coal powder chamber together, in blower pressure and centrifugal force
Under the action of, fine breeze and air enter fine breeze chamber through the filter hole of separating plate b4, and from fine breeze chamber through duff tube cell
B6, which enters, carries out full combustion in combustion furnace 3, rough coal powder from rough coal powder chamber through rough coal tube cell b5 enter medium-speed pulverizer 12 into
End, rough coal powder and air are expected when passing through rough coal tube cell b5, and the second heating member b7 heats rough coal powder and air, and second
Heating temperature can be improved in heating member b7, and rough coal powder moisture is promoted to evaporate, and the mixture of rough coal powder and air carries heat and enters
Medium-speed pulverizer 12 dries the coal dust in medium-speed pulverizer 12；When pulverized coal combustion system described in the utility model has
Time is vacant or whenever necessary, closes the second valve b9, third valve b10, opens the 4th valve b12, starts air-introduced machine 2a, wind
Machine draws air into connecting tube b1, and cleaned pipe b11 is poured in fine breeze chamber, and since the second valve b9 is closed, air is only
It can enter in rough coal powder chamber from the filter hole of separating plate b4, and enter rough coal tube cell b5, medium-speed pulverizer from rough coal powder chamber
12, blocked filter hole can be cleared up, after the completion of cleaning, the second valve b9, third valve b10 is opened, closes the 4th valve
b12；When normal work, the opening and closing degree of the first valve of suitable control b8 is needed, fine breeze in the mixture of coal dust and air is made
Can largely it enter in the fine breeze chamber.
The beneficial effects of the utility model include: that can be heated to coal dust intermixture by the way that the first heating member is arranged, drop
The content of moisture in low coal dust；By the way that helix tube, separating plate is arranged, thickness separation can be carried out to the mixture of coal dust and air,
And fine breeze can be dried faster under the action of the first heating member；By the way that rough coal tube cell is arranged, make the mixed of rough coal powder and air
It closes object and is back to medium-speed pulverizer through rough coal tube cell；Moisture content is high in rough coal powder, not easy to explode and broken, passes through setting second
Heating member heats the mixture of rough coal powder and air, heats to rough coal powder, keeps rough coal dried bean noodles dry, rough coal dried bean noodles
It is convenient broken after dry, and the mixture of rough coal powder and air carries heat and enters medium-speed pulverizer, to the coal in medium-speed pulverizer
It is thermally dried, convenient for the refinement of coal dust；By the way that the second valve, third valve, the 4th valve, cleaning pipe is arranged, work as separation
When plate is cleared up, close the second valve, third valve, open the 4th valve, starting air-introduced machine can to separating plate into
Row cleaning, is cleared up very convenient.
Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model.
Any other various changes and modifications that any technical concept according to the present utility model is made should be included in practical
In novel scope of protection of the claims.
Claims (5)
1. a kind of pulverized coal combustion system, which is characterized in that including coal-grinding apparatus, blower fan apparatus, combustion furnace, the coal-grinding apparatus packet
Feeder, medium-speed pulverizer are included, the discharge end of the feeder is connected with the medium-speed pulverizer feed end；The blower dress
It sets including air-introduced machine, tailing separator, the air intake of the air-introduced machine is connected with the discharge end of the medium-speed pulverizer；It is described
Tailing separator includes connecting tube, the first heating member, helix tube, separating plate, rough coal tube cell, duff tube cell, the connecting tube one
End is connected with the air outlet of the air-introduced machine；First heating member is built in the connecting tube；The separating plate is described in
Helix tube rotation direction is built in the helix tube, and the helix tube is divided into rough coal powder chamber, fine breeze chamber, the duff
The setting on the inside of the helix tube of powder chamber, and the fine breeze chamber is close to the closed at one end of the helix tube air intake, it is described
Rough coal powder chamber is connected with the other end of the connecting tube, and the separating plate offers multiple close to the helix tube air intake
Filter hole, the both ends of the filter hole are respectively communicated with rough coal powder chamber, fine breeze chamber；Rough coal tube cell one end and described thick
Coal dust chamber is connected, and connectivity part is arranged close to the helix tube outlet air end, the other end of the rough coal tube cell and it is described in
Speed coal mill feed end is connected；Duff tube cell one end is connected with the fine breeze chamber, and connectivity part is close to described
The setting of helix tube outlet air end, the duff tube cell other end are connected with the feed end of the combustion furnace.
2. pulverized coal combustion system according to claim 1, which is characterized in that the tailing separator further includes the first valve
Door, the second valve, first valve are set to the rough coal tube cell, and second valve is set to the duff tube cell.
3. pulverized coal combustion system according to claim 1, which is characterized in that the tailing separator further includes the second heating
Part, second heating member are built in the rough coal tube cell.
4. pulverized coal combustion system according to claim 2, which is characterized in that the tailing separator further includes third valve
Door, cleaning pipe, the 4th valve, the third valve are set to the connecting tube, described cleaning pipe one end and the connecting tube phase
Connection, and connectivity part is positioned at the third valve and the air-introduced machine between, the cleaning pipe other end and the fine breeze chamber
Room is connected；4th valve is set to the cleaning pipe.
5. pulverized coal combustion system according to claim 4, which is characterized in that the connection of the cleaning pipe and the connecting tube
Locate to be arranged close to the upper end of connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793335.3U CN209213905U (en) | 2018-11-01 | 2018-11-01 | A kind of pulverized coal combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793335.3U CN209213905U (en) | 2018-11-01 | 2018-11-01 | A kind of pulverized coal combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209213905U true CN209213905U (en) | 2019-08-06 |
Family
ID=67458013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821793335.3U Active CN209213905U (en) | 2018-11-01 | 2018-11-01 | A kind of pulverized coal combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209213905U (en) |
-
2018
- 2018-11-01 CN CN201821793335.3U patent/CN209213905U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 437000 Shakou Village, Daping Township, Tongcheng County, Xianning City, Hubei Province (2nd floor of Asia Company) Patentee after: Hubei new bricklayer Building Materials Technology Co.,Ltd. Address before: 437000 Shakou Village, Daping Township, Tongcheng County, Xianning City, Hubei Province (2nd floor of Asia Company) Patentee before: Xianning New Bricksmith Building Material Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201012 Address after: 437000 Shakou Village, Daping Township, Tongcheng County, Xianning City, Hubei Province (2nd floor of Asia Company) Patentee after: Hubei new bricklayer Building Materials Technology Co.,Ltd. Patentee after: Asia Building Materials Co.,Ltd. Address before: 437000 Shakou Village, Daping Township, Tongcheng County, Xianning City, Hubei Province (2nd floor of Asia Company) Patentee before: Hubei new bricklayer Building Materials Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211202 Address after: 200333 Room 408, 2088 Caoyang Road, Putuo District, Shanghai Patentee after: Asia Building Materials Co.,Ltd. Patentee after: Hubei new bricklayer Building Materials Technology Co.,Ltd. Patentee after: HUBEI ASIA CERAMICS CO.,LTD. Address before: 437000 Shakou village, Daping Township, Tongcheng County, Xianning City, Hubei Province Patentee before: Hubei new bricklayer Building Materials Technology Co.,Ltd. Patentee before: Asia Building Materials Co.,Ltd. |