CN205940120U - Coal -fired feed system of tunnel cave - Google Patents
Coal -fired feed system of tunnel cave Download PDFInfo
- Publication number
- CN205940120U CN205940120U CN201620917468.1U CN201620917468U CN205940120U CN 205940120 U CN205940120 U CN 205940120U CN 201620917468 U CN201620917468 U CN 201620917468U CN 205940120 U CN205940120 U CN 205940120U
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- China
- Prior art keywords
- coal
- high pressure
- hopper
- tunnel cave
- feed system
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Abstract
The utility model discloses a coal -fired feed system of tunnel cave, including rubbing crusher, band conveyer, hopper, screw feeder and high pressure positive blower, band conveyer's one end setting is in rubbing crusher's discharge gate below, and the other end extends to the top of hopper, the discharge gate of hopper is connected with screw feeder's feed inlet, the last first buncher of its moving of drive that still is provided with of screw feeder, and the blast pipe is installed in screw feeder's below to the high pressure positive blower setting on the air outlet of high pressure positive blower, and screw feeder's discharge gate is linked together through conveying pipe and blast pipe, still is provided with the 2nd speed adjustable fan of its moving of drive on the high pressure positive blower, the blast pipe is connected to the entrance point of branch wind ware, divides the exit end of wind ware to be connected with a plurality of coal powder injection pipes, and the nozzle is installed to the end of coal powder injection pipe, and the nozzle is located the kiln crown, and to throw the coal downthehole. This coal -fired feed system of tunnel cave can make coal -fired more abundant burning, reduces coal -fired use amount.
Description
Technical field
This utility model is related to tunnel kiln equipment technical field, specifically a kind of tunnel cave coal feed system.
Background technology
Now domestic brick and tile tunnel cave all adopts internal combustion sintering technology, adobe internal combustion in practical operation, typically all only
It is added to 90-95%, by supplementing a certain amount of outer fuel, such as coal, wooden unit or sawdust etc., these outer fuels pass through kiln crown coal feeding hole
Put into, increase temperature to supplement, wherein, outer fire coal is the most frequently used outer fuel.Outer fire coal uses 10mm- mostly at present
The lump coal of 50mm, and fire into section and do not have an oxygenating measure, outer coal-fired put in kiln after, mostly scold on kiln car face, some
Even fall in sand sealing groove, because coal is block on kiln car face, and anoxia, it is slow to cause coal cinder burning, temperature cannot and
When be brought up.When burner does not lift temperature in observation kiln in time, may proceed to coal, lower floor's coal has not burnt, upper strata again
Lower floor's coal is covered by coal again, and so resulting in a large amount of coals cannot burn completely, has a lot in kiln vehicle surface during kiln discharge, sand sealing groove
Coal grain, these coal grains or coal cinder are big due to granularity, fail to burn in time, and the coal cinder that these fail to burn in time in kiln discharge continues
Blaze up, will result in kiln car temperature and raise in addition it is also necessary to take corresponding cooling measure.In sum, existing tunnel cave combustion
Coal supply respect, exist fire coal cannot clean-burning defect, cause the significant wastage of fuel, in addition, kiln temperature is by burning
Firer manually controls, and causes kiln temperature unstable, affects product quality.
Utility model content
The purpose of this utility model is to provide a kind of tunnel cave coal feed system, to solve to carry in above-mentioned background technology
The problem going out.
For achieving the above object, this utility model provides following technical scheme：
A kind of tunnel cave coal feed system, including pulverizer, belt conveyor, hopper, screw(-type) feeder and high-pressure blast
Machine；One end of described belt conveyor is arranged on below the discharging opening of pulverizer, and the other end of belt conveyor extends to hopper
Top；Described hopper is arranged on the top of screw(-type) feeder, and the discharging opening of hopper is connected with the charging aperture of screw(-type) feeder
Connect, screw(-type) feeder is additionally provided with the first buncher driving its operating；Described high pressure positive blower is arranged on screw(-type) feeder
Lower section, the air outlet of high pressure positive blower is provided with ajutage, the discharging opening of screw(-type) feeder passes through feed pipe and ajutage phase
Connection, described high pressure positive blower is additionally provided with the second adjustable speed fan driving its operating；Described ajutage connects to air devider
Entrance point, the port of export of air devider is connected with multiple coal injection pipes, and the end of coal injection pipe is provided with nozzle, and nozzle is located at kiln crown and throws
Coal in the hole.
As further program of the utility model：Also include computer PRC controller, the collection terminal of computer PRC controller
Data acquisition line is installed, the other end of data acquisition line is provided with temperature sensor, and temperature sensor is located in kiln, first
Buncher and the second adjustable speed fan all communicate connection to computer PRC controller.
As this utility model further scheme：Described high pressure positive blower and the second adjustable speed fan are installed in base
On.
As this utility model further scheme：It is also equipped with level detector in described hopper.
As this utility model further scheme：The discharging-material size of described pulverizer is less than 2mm.
Compared with prior art, the beneficial effects of the utility model are：
1st, this tunnel cave coal feed system can improve fired coal combustion effect, so that fire coal is more fully burnt, significantly
Reduce coal-fired usage amount, save cost；
2nd, this tunnel cave coal feed system can adjust air output and the amount of delivering coal according to the temperature in kiln, thus controlling
Kiln temperature, makes kiln temperature keep stable, advantageously ensures that the steady quality of product, improve the performance of enterprises；
3rd, this tunnel cave coal feed system, structure is simple, compact, convenient for installation and maintenance, significantly reduces burner's
Work is slight, practical.
Brief description
Fig. 1 is the structural representation of tunnel cave coal feed system.
Fig. 2 is arrangement schematic diagram in the kiln of tunnel cave coal feed system.
Fig. 3 is the workflow diagram of tunnel cave coal feed system.
In figure：1- pulverizer, 2- belt conveyor, 3- hopper, 4- level detector, 5- screw(-type) feeder, 6- first speed governing electricity
Machine, 7- high pressure positive blower, 8- second adjustable speed fan, 9- base, 10- ajutage, 11- feed pipe, 12- computer PRC controller, 13-
Coal injection pipe, 14- data acquisition line, 15- nozzle, 16- adobe, 17- kiln car.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1～3, in this utility model embodiment, a kind of tunnel cave coal feed system, including pulverizer 1, skin
Band conveyer 2, hopper 3, screw(-type) feeder 5 and high pressure positive blower 7；One end of described belt conveyor 2 is arranged on going out of pulverizer 1
Below material mouth, the other end of belt conveyor 2 extends to the top of hopper 3, and raw coal is sent in pulverizer 1, and pulverizer 1 is by raw coal
It is ground into coal dust, the coal dust after pulverizing drops down onto belt conveyor 2 from the discharging opening of pulverizer 1, and the band in belt conveyor 2
It is admitted in hopper 3 under dynamic, depending on the concrete degree of grinding of raw coal is according to practical situation, it is preferred that described powder in the present embodiment
The discharging-material size of broken machine 1 is less than 2mm, thus raw coal is ground into 2mm particles below；Described hopper 3 is arranged on screw feeder
The top of machine 5, and the discharging opening of hopper 3 is connected with the charging aperture of screw(-type) feeder 5, the coal dust in hopper 3 enters spiral and gives
In material machine 5, screw(-type) feeder 5 is additionally provided with the first buncher 6 driving its operating, by adjusting the first buncher 6
Rotating speed it becomes possible to control coal dust feed quantity；It is also equipped with level detector 4 in described hopper 3, be can be used in by level detector 4
Height of materials in monitoring hopper 3；
Described high pressure positive blower 7 is arranged on the lower section of screw(-type) feeder 5, and the air outlet of high pressure positive blower 7 is provided with ajutage
10, the discharging opening of screw(-type) feeder 5 is connected with ajutage 10 by feed pipe 11, during high pressure positive blower 7 work, in ajutage 10
Interior formation high-pressure blast, internal coal dust is delivered to ajutage 10 through feed pipe 11 by screw(-type) feeder 5, and coal dust is mixed with high-pressure blast,
And be sent under the carrying of high-pressure blast, described high pressure positive blower 7 is additionally provided with the second adjustable speed fan 8 driving its operating, leads to
Overregulate the rotating speed of the second adjustable speed fan 6 it becomes possible to control air output；Described ajutage 10 connects to the entrance point of air devider,
The port of export of air devider is connected with multiple coal injection pipes 13, and the end of coal injection pipe 13 is provided with nozzle 15, and nozzle 15 is located at kiln crown
In coal feeding hole, the high-pressure blast carrying coal dust in ajutage 10 is assigned as multiply by air devider, and respectively enters corresponding spray
In coal pipe 13, the high-pressure blast carrying coal dust in coal injection pipe 13 sprays in kiln from kiln crown coal feeding hole through nozzle 15, is to carry in kiln
For coal-fired and air it is ensured that the abundant burning of fire coal；Described high pressure positive blower 7 and the second adjustable speed fan 8 are installed on base 9；
Described tunnel cave coal feed system, also includes computer PRC controller 12, the collection terminal of computer PRC controller 12
Data acquisition line 14 is installed, the other end of data acquisition line 14 is provided with temperature sensor, and temperature sensor is located in kiln,
First buncher 6 and the second adjustable speed fan 8 all communicate connection to computer PRC controller 12, and temperature sensor is used for obtaining kiln
Interior temperature data, and by kiln temperature data is activation to computer PRC controller 12, computer PRC controller 12 is according to kiln temperature
Data Control the first buncher 6 and the operation of the second adjustable speed fan 8, to control air output and the amount of delivering coal in kiln, reach control
The purpose of kiln temperature processed.
The method of work of described tunnel cave coal feed system, step is as follows：
1）The crushed machine of raw coal 1 is pulverized and is obtained coal dust, and coal dust is delivered in hopper 3 by belt conveyor 2；
2）Temperature sensor obtains kiln temperature data, and the kiln temperature data is activation obtaining is controlled to computer PRC
Device 12；
3）Computer PRC controller 12 is processed to kiln temperature data, obtains the first buncher 6 and the second speed-regulating wind
The operational factor of machine 8；
4）Computer PRC controller 12 controls the second adjustable speed fan 8 to run according to the operational factor of the second adjustable speed fan 8, electricity
Brain PRC controller 12 controls the first buncher 6 to run according to the operational factor of the first buncher 6, and screw(-type) feeder 5 will be expected
Coal dust in bucket 3 delivers to ajutage 10, and the high-pressure blast that high pressure positive blower 7 produces carries coal dust and is assigned as multiply through air devider, and point
Do not enter in corresponding coal injection pipe 13, the high-pressure blast carrying coal dust in coal injection pipe 13 sprays into from kiln crown coal feeding hole through nozzle 15
In kiln；
5）Repeat step 2）To step 4）, until tunnel kiln sintering work completes；
6）Computer PRC controller 12 controls the first buncher 6 to shut down, after the first buncher 6 shuts down 3-5 minute,
Computer PRC controller 12 controls the second adjustable speed fan 8 to shut down.
Wherein, in step 4）In, in initial start-up, computer PRC controller 12 controls the second adjustable speed fan 8 to open first
Dynamic, high pressure positive blower 7 starts running, and after high pressure positive blower 7 works well, computer PRC controller 12 controls the first buncher 6 again
Start.
Operation principle of the present utility model is：Described tunnel cave coal feed system, raw coal is sent in pulverizer 1, pulverizes
Raw coal is ground into coal dust by machine 1, and the coal dust after pulverizing drops down onto belt conveyor 2 from the discharging opening of pulverizer 1, and defeated in belt
It is admitted under the drive sending machine 2 in hopper 3.Level detector 4 in hopper 3 can be used in monitoring the coal dust height in hopper 3, works as material
When coal dust in bucket 3 is not enough, pulverizer 1 and belt conveyor 2 start, and into hopper 3, pulverized coal conveying fills it is ensured that having in hopper 3
The coal dust of foot.Coal dust in hopper 3 enters in screw(-type) feeder 5.During high pressure positive blower 7 work, form high pressure in ajutage 10
Wind, internal coal dust is delivered to ajutage 10 through discharging opening by screw(-type) feeder 5, and coal dust is mixed with high-pressure blast, and in high-pressure blast
Carry down and be sent to air devider, high-pressure blast is assigned as multiply by air devider, and respectively enter in corresponding coal injection pipe 13, coal injection pipe
The high-pressure blast carrying coal dust in 13 sprays in kiln from kiln crown coal feeding hole through nozzle 15, for providing coal-fired and air in kiln, protects
The coal-fired abundant burning of card.Temperature sensor is used for obtaining kiln temperature data, and by kiln temperature data is activation to computer PRC
Controller 12, computer PRC controller 12 is according to the fortune of kiln temperature Data Control the first buncher 6 and the second adjustable speed fan 8
OK, to control air output and the amount of delivering coal in kiln, reach the purpose controlling kiln temperature.
Why this tunnel cave coal feed system has high burn-off rate, and one is effectively to have played breeze blowing skill
The speciality of art, expands the coal-fired contact area with the air oxygen to greatest extent and facilitates fierceness rapidly to aoxidize
Journey.Two is the quick operation and rotation by breeze airflow, makes volatile matters gas membrane be rapidly separated fixed carbon, thus accelerating
Carbon burning speed.Three is to make burning oxygen supply more abundant to the secondary oxygen supply of burning zone, improves the efficiency of combustion of internal combustion, more energy-conservation.
Described tunnel cave coal feed system can improve fired coal combustion effect, so that fire coal is more fully burnt, significantly
Reduce coal-fired usage amount, save cost；Described tunnel cave coal feed system can adjust according to the temperature in kiln and send
Air quantity and the amount of delivering coal, thus controlling kiln temperature, making kiln temperature keep stable, advantageously ensuring that the steady quality of product, improve enterprise
Industry benefit；Described tunnel cave coal feed system, structure is simple, compact, convenient for installation and maintenance, significantly reduces the labor of burner
Dynamic slight, practical.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, this practicality can be realized in other specific forms new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that the containing of equivalency that will fall in claim
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as limiting
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (5)
1. a kind of tunnel cave coal feed system is it is characterised in that include pulverizer（1）, belt conveyor（2）, hopper（3）、
Screw(-type) feeder（5）And high pressure positive blower（7）；Described belt conveyor（2）One end be arranged on pulverizer（1）Discharging opening under
Side, belt conveyor（2）The other end extend to hopper（3）Top；Described hopper（3）It is arranged on screw(-type) feeder（5）'s
Top, and hopper（3）Discharging opening and screw(-type) feeder（5）Charging aperture be connected, screw(-type) feeder（5）On be additionally provided with drive
Move the first buncher of its operating（6）；Described high pressure positive blower（7）It is arranged on screw(-type) feeder（5）Lower section, high pressure positive blower
（7）Air outlet on ajutage is installed（10）, screw(-type) feeder（5）Discharging opening pass through feed pipe（11）With ajutage（10）
It is connected, described high pressure positive blower（7）On be additionally provided with drive its operating the second adjustable speed fan（8）；Described ajutage（10）Even
It is connected to the entrance point of air devider, the port of export of air devider is connected with multiple coal injection pipes（13）, coal injection pipe（13）End be provided with
Nozzle（15）, and nozzle（15）In kiln crown coal feeding hole.
2. tunnel cave coal feed system according to claim 1 is it is characterised in that the coal-fired supply of described tunnel cave is
System, also includes computer PRC controller（12）, computer PRC controller（12）Collection terminal data acquisition line is installed（14）, data
Gathering line（14）The other end temperature sensor is installed, and temperature sensor be located at kiln in, the first buncher（6）With second
Adjustable speed fan（8）All communication connects to computer PRC controller（12）.
3. tunnel cave coal feed system according to claim 2 is it is characterised in that described high pressure positive blower（7）With second
Adjustable speed fan（8）It is installed in base（9）On.
4. the tunnel cave coal feed system according to claim 1 or 2 or 3 is it is characterised in that described hopper（3）Interior also
Level detector is installed（4）.
5. tunnel cave coal feed system according to claim 4 is it is characterised in that described pulverizer（1）Discharging grain
Degree is less than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620917468.1U CN205940120U (en) | 2016-08-22 | 2016-08-22 | Coal -fired feed system of tunnel cave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620917468.1U CN205940120U (en) | 2016-08-22 | 2016-08-22 | Coal -fired feed system of tunnel cave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205940120U true CN205940120U (en) | 2017-02-08 |
Family
ID=57947750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620917468.1U Expired - Fee Related CN205940120U (en) | 2016-08-22 | 2016-08-22 | Coal -fired feed system of tunnel cave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205940120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123585A (en) * | 2016-08-22 | 2016-11-16 | 重庆市大龙窑炉制造有限公司 | A kind of tunnel cave coal feed system |
-
2016
- 2016-08-22 CN CN201620917468.1U patent/CN205940120U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123585A (en) * | 2016-08-22 | 2016-11-16 | 重庆市大龙窑炉制造有限公司 | A kind of tunnel cave coal feed system |
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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: 20170208 Termination date: 20190822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |