CN204026717U - Integrate powder process storage powder and supply powder and the rotary-type pulverized coal combustion system of controllable temperature - Google Patents
Integrate powder process storage powder and supply powder and the rotary-type pulverized coal combustion system of controllable temperature Download PDFInfo
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- CN204026717U CN204026717U CN201420371828.3U CN201420371828U CN204026717U CN 204026717 U CN204026717 U CN 204026717U CN 201420371828 U CN201420371828 U CN 201420371828U CN 204026717 U CN204026717 U CN 204026717U
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Abstract
The utility model proposes a kind of powder process storage powder that integrates and supply powder and the rotary-type pulverized coal combustion system of controllable temperature, comprise flour mill, storage powder tank and burner, little powder collector and large powder collector is provided with on the top of storage powder tank, machine supplying powder is established at the feed opening place of storage powder tank, blower fan two divided into by machine supplying powder, coaling machine is established at the feed hopper place of flour mill, blower fan one is established in flour mill bottom, flour mill and large powder collector, blower fan one and little powder collector, blower fan one and blower fan two, wind path is equipped with between blower fan two and burner, the utility model is by electric-control system centralized Control, achieve powder process, Chu Fen, for powder, air feed, the institutional operation of burning, for industrial furnace and asphalt grain mixing equipment use pulverized coal combustion system to provide sound assurance, whole process is carried out entirely in closed conduit, totally pollution-free, simple to operate, convenient and furnace temperature is controlled.
Description
Technical field
The utility model relates to pulverized coal combustion system, is specifically related to a kind of powder process storage powder that integrates and supplies powder and the rotary-type pulverized coal combustion system of controllable temperature.
Background technology
Shi Ge big coal country of China, coal resources cheapness is abundant, all trades and professions application widely.How can utilize on high-efficiency environment friendly ground, be the content that each industry needs further investigation.At present, like product industrial furnace and asphalt grain mixing equipment used mainly contains two types: a class directly sprays in burner with the lump coal that granularity to be less than 25mm by the coal-grinding and powder-spraying machine coal dust worn into about 90 orders to burn.This kind of advantage is that coal-grinding dusts and is integrated, on-the-spot powder process, burning, and whole system structure is simple, is convenient to install.Shortcoming is coal-grinding and powder-spraying machine limits throughput, with regard to needs two even three Coal-disintegrating machines confession powder when the burner needing calorific value large uses, on burner, coal feed point is not easily arranged, and energy consumption is large, and wind-force is wayward, because rotating speed is fast, inner consumable accessory wearing and tearing are too fast, maintenance is frequent, and output is limited, does not just rise gone to 5 tons, consumption coal per hour.Along with the continuous upgrading of burner, this coal dust not provided abundance for powder mode, can not meet the demand in market.In addition, owing to not storing up powder, once coal-grinding and powder-spraying machine is out of order, then whole system all will quit work to fix a breakdown, and impact is produced.Another kind of is grind into 100 order coal dusts with the lump coal that granularity to be less than 25mm by large-scale powder manufacturing apparatus, collect, be transported to storage powder tank place, be transported in storage powder tank with the lifting means such as elevator when powder (carrier bag coaling) or pumping equipment when powder (buy tank car coaling) again, and then with powder feeder unit, coal dust is blown into burner combustion by air-supply arrangement.This kind of advantage is that output increased is unrestricted, and easily concentrate adjustment for powder air feed, flame quality is high.Shortcoming is that powder process is separated with storage powder, and coal dust belongs to inflammable thing, dangerous in transport with the process stored, not environmentally.Storage powder tank has done little not reach instructions for use, done greatly, and safety measure is difficult to accomplish.At present; make storage tank with stainless steel abroad; welding requirements is extremely tight; internal weld seams requires to have not a particle of burr; inner blanketing with inert gas, object prevents coal dust explosion, also needs in addition to install the safeguard measures such as safety valve additional; construction costs is very high, and the storage powder tank of 100 tons is with regard to price million people people's coin nearly.At home, some user, in order to cost-saving, often uses the common tank substitute that general steel plate makes, the existing report occurring security incident.
Summary of the invention
For prior art Problems existing, technical problem to be solved in the utility model how to enable on various industrial furnace and asphalt grain mixing equipment, use pulverized coal combustion system to integrate powder process, Chu Fen, supply powder, air feed, burning, thus realize energy-conservation, safety, High-efficient Production.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of powder process storage powder that integrates supplies powder and the rotary-type pulverized coal combustion system of controllable temperature, comprise flour mill, storage powder tank and burner, establish little powder collector and large powder collector respectively on the top of described storage powder tank; Machine supplying powder is established at the feed opening place of storage powder tank, be connected with three-way pipe two under machine supplying powder, three-way pipe two one end is connected with burner by wind path six, and three-way pipe two other end is connected with blower fan two, blower fan two is established valve one and valve two, between valve one and valve two, be connected with three-way pipe one; Establish coaling machine at the feed hopper place of described flour mill, coal bunker is established on coaling machine top; Flour mill is connected with large powder collector by wind path one, establishes blower fan one in flour mill bottom, and blower fan one is connected with large powder collector by wind path three, and blower fan one is also connected with little powder collector by wind path two; Be connected with three-way pipe three between blower fan one and wind path two, the other end of three-way pipe three is connected with three-way pipe one by wind path five, establishes valve respectively at the mouth of pipe place of three-way pipe three; Little powder collector is connected with cleaner by wind path four; Level-sensing device up and down in the igniter of the analytical engine of coaling machine, machine supplying powder, flour mill, flour mill upper end, blower fan one, blower fan two, burner, burner, storage powder tank is by electric-control system centralized Control.
The burner hearth of described burner is for rotating burner hearth.
Feed hopper is established in the hood shell-side face of described flour mill, has established grinding roller and the bull ring of the effect of rolling in flour mill.
Described coaling machine is batcher, belt feeder or screw feeding machine.
The door capable of being opened controlling lower coal amount is established in described upper coal bunker bottom.
The utility model adopts the powder process storage powder that integrates designed by technique scheme to supply powder air feed and the rotary-type pulverized coal combustion system of controllable temperature, the upper coal of collection, powder process, Chu Fen, for powder, air feed, burn in the pulverized coal combustion system of one, whole process completes continuously in closed conduit and equipment.Coal dust (this flour mill also can adjust coal powder size as required at any time) about the utility model has a flour mill lump coal being less than 25mm to be ground into 100 orders at the scene, is stored in the storage powder tank by wind power system coal dust being stored in transition.Owing to being scene powder process at any time, this storage powder tank does not need very large, coal dust with mill with, the coal dust amount of storage is few, and the storage time is short, and safety requirements is far below the requirement of great Chu powder tank, and safety coefficient increases greatly.And every day shut down before can storage powder in emptying storage powder tank, what avoid that coal dust long term storage causes gets damp, and hardens the phenomenon blocking storage powder tank feed opening.Whole coal-grinding storage powder process is carried out in a closed system, environmental protection, convenience.Have for powder air supply device under storage powder tank, can adjust upper coal amount at any time by adjustment coaling machine rotating speed, upper coal is convenient, to control furnace temperature.Upper air quantity adjusts by valve, to obtain desirable flame.Burner hearth is for rotating burner hearth, and burning is reliable, efficiently not easily slagging scorification.Analytical engine on flour mill can carry out sorting to powder, and powder process granularity is adjustable, and it is convenient to control.
Accompanying drawing explanation
Fig. 1 represents structural representation of the present utility model.
Detailed description of the invention
Integrate powder process storage powder below in conjunction with accompanying drawing to the utility model to illustrate for powder and the structure of the rotary-type pulverized coal combustion system of controllable temperature.
See Fig. 1, the utility model integrates powder process storage powder for powder and the structure of the rotary-type pulverized coal combustion system of controllable temperature comprises flour mill 5, storage powder tank 18 and burner 21, and the burner hearth of burner 21, for rotating burner hearth, guarantees that burning is reliable, efficiently not easily slagging scorification like this.The top of flour mill 5 is provided with analytical engine, lump coal is ground into coal dust by flour mill 5, coal powder size and output are controlled by the analytical engine rotating speed adjusting flour mill 5 top, there is feed hopper the case side of flour mill 5, grinding roller and bull ring is had in flour mill 5, rely between grinding roller and bull ring and roll, thus reach the object pulverizing coal cinder.Little powder collector 22 and large powder collector 23 is established respectively on the top of storage powder tank 18.Machine supplying powder 17 is established at the feed opening place of storage powder tank 18, machine supplying powder is connected with three-way pipe 2 16 17 times, one end of three-way pipe 2 16 is connected with burner 21 by wind path 6 20, the other end of three-way pipe 2 16 is connected with blower fan 2 12, blower fan 2 12 is established valve 1 and valve 2 13, between valve 1 and valve 2 13, be connected with three-way pipe 1.Establish coaling machine 4 at the feed hopper place of flour mill 5, coaling machine 4 can be batcher, belt feeder or screw feeding machine, and coal bunker 3 is established on the top of coaling machine 4, and the door capable of being opened controlling lower coal amount is established in the bottom of upper coal bunker 3.Flour mill 5 is connected with large powder collector 23 by wind path 1, establishes blower fan 1 in flour mill 5 bottom, and blower fan 1 is connected with large powder collector 23 by wind path 3 24, and blower fan 1 is also connected with little powder collector 22 by wind path 2 25.Three-way pipe 37 is connected with between blower fan 1 and wind path 2 25, the other end of three-way pipe 37 is connected with three-way pipe 1, between three-way pipe 37 and wind path 2 25, be connected with valve 6, between three-way pipe 37 and blower fan 1, be connected with valve 8, between three-way pipe 37 and wind path 5 11, be connected with valve 9.Little powder collector 22 is connected with deduster 2 by wind path 4 27.All electric original papers such as the igniter 19 of coaling machine 4 of the present utility model, machine supplying powder 17, flour mill 5, analytical engine, blower fan 1, blower fan 2 12, burner 21, burner, the level-sensing device up and down of storage tank 18 are by electric-control system 1 centralized Control.
During work, with forklift, the lump coal being less than 25mm is loaded in upper coal bunker 3, under the bucket of upper coal bunker 3, has door capable of being opened can control lower coal amount.Lump coal is delivered into flour mill 5 through coaling machine 4, and the upper coal speed of coaling machine 4 can be controlled by adjustment motor speed table (or frequency converter) on electric-control system 1.Lump coal adds after in machine from the feed hopper of the case side of flour mill 5, relies on rolling between the grinding roller in flour mill 5 and bull ring, thus reaches the object pulverizing coal cinder.Lump coal is ground into coal dust by flour mill 5, and coal powder size and output are controlled by the analytical engine rotating speed adjusting flour mill 5 top.
After pulverized coal grinding, blown afloat by blower fan 1, the analytical engine above flour mill 5 carries out sorting, and the pipeline flowing through wind path 1 with the wind that fineness meets the specification enters large powder collector 23 and collects and enter storage powder tank 18 again, and excessively thick material enters again flour mill 5 and refaces.Whole system apoplexy circulates in wind path, the superfine powder that could not collect of large powder collector 23 is got back to blower fan 1 place through the pipeline of wind path 3 24 and is entered little powder collector 22 through the pipeline of wind path 2 25 again, superfine powder enters in storage powder tank 18 through collecting, air after purification enters in deduster 2 through the pipeline of wind path 4 27, and general coal powder size controls about 100 orders and can meet burner 21 to use.By this cyclic process, the qualified coal dust that flour mill 5 is produced and superfine powder all enter into storage powder tank 18 and store in order to burner use, have not a particle of waste, clean environmental protection.
When burner 21 is not lighted, flour mill 5 uses wind path described above when grinding coal dust for subsequent use.
After burner 21 is lighted, just can valve-off 6 Open valve 9 when on one side abrasive dust burns on one side, make air containing superfine powder directly by the pipeline of wind path 5 11, converge through three-way pipe 1 and the main pulverized coal flow under storage powder tank 18, enter burner 21 combustion together, now, desirable flame is obtained by adjustment valve 1 and valve 2 13.Due to on-the-spot powder process, Chu Fen; so the mode of production can flexible combination; owing to being grind some coal dusts to be in advance stored in the tank of powder tank 18; the tank of storage powder tank 18 is provided with upper and lower level-sensing device; burner 21 can determine whether open flour mill 5 after lighting as required; even if flour mill 5 has had fault, do not need maintenance of ceasing fire yet, can not production have been affected.
Coal dust machine supplying powder 17(under tank in storage powder tank 18 can be batcher, may also be screw feeding machine) blanking on demand, discharge quantity is by the Frequency Converter Control on electric-control system 1, to control furnace temperature.Coal dust is transported to burner 21 combustion by valve 1 and valve 2 13 by blower fan 2 12.The adjustment of the air quantity of being come by adjustment and the wind path 5 11 of valve 2 13 can obtain desirable flame.
For lower than 100 object coal dusts, the coal dust in storage powder tank 18 delivers to the burner hearth combustion of burner 21 through powder-supply system, all can conveniently adjust for powder amount and air quantity.Need by igniter 19 by diesel oil atomization during igniting, be sprayed onto in burner 21 body of heater and light, supply coal dust simultaneously, in the hearth body of burner 21, coal dust can get final product fuel cut-off during spontaneous combustion, Fuel injection system is generally at 1-3 minute, after spontaneous combustion of pulverized coal, desirable flame and material temperature can be obtained by the air door air quantity adjusted on upper coal amount and air quantity and burner.
The utility model achieves the institutional operation of powder process, Chu Fen, confession powder, air feed, burning, for industrial furnace and asphalt grain mixing equipment use pulverized coal combustion system to provide sound assurance, whole process is carried out entirely in closed conduit, totally pollution-free, simple, convenient and furnace temperature is controlled.
Claims (5)
1. integrate powder process storage powder and supply powder and a rotary-type pulverized coal combustion system for controllable temperature, comprise flour mill, storage powder tank and burner, is characterized in that establishing little powder collector and large powder collector respectively on the top of described storage powder tank; Machine supplying powder is established at the feed opening place of storage powder tank, be connected with three-way pipe two under machine supplying powder, three-way pipe two one end is connected with burner by wind path six, and three-way pipe two other end is connected with blower fan two, blower fan two is established valve one and valve two, between valve one and valve two, be connected with three-way pipe one; Establish coaling machine at the feed hopper place of described flour mill, coal bunker is established on coaling machine top; Flour mill is connected with large powder collector by wind path one, establishes blower fan one in flour mill bottom, and blower fan one is connected with large powder collector by wind path three, and blower fan one is also connected with little powder collector by wind path two; Be connected with three-way pipe three between blower fan one and wind path two, the other end of three-way pipe three is connected with three-way pipe one by wind path five, establishes valve respectively at the mouth of pipe place of three-way pipe three; Little powder collector is connected with cleaner by wind path four; Level-sensing device up and down in the igniter of the analytical engine of coaling machine, machine supplying powder, flour mill, flour mill upper end, blower fan one, blower fan two, burner, burner, storage powder tank is by electric-control system centralized Control.
2. the powder process storage powder that integrates according to claim 1 supplies powder and the rotary-type pulverized coal combustion system of controllable temperature, it is characterized in that the burner hearth of described burner is for rotating burner hearth.
3. the powder process storage powder that integrates according to claim 1 supplies powder and the rotary-type pulverized coal combustion system of controllable temperature, it is characterized in that feed hopper is established in the hood shell-side face of flour mill, has established grinding roller and the bull ring of the effect of rolling in flour mill.
4. the powder process storage powder that integrates according to claim 1 supplies powder and the rotary-type pulverized coal combustion system of controllable temperature, it is characterized in that described coaling machine is batcher, belt feeder or screw feeding machine.
5. the powder process storage powder that integrates according to claim 1 supplies powder and the rotary-type pulverized coal combustion system of controllable temperature, it is characterized in that the door capable of being opened controlling lower coal amount is established in described upper coal bunker bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371828.3U CN204026717U (en) | 2014-07-08 | 2014-07-08 | Integrate powder process storage powder and supply powder and the rotary-type pulverized coal combustion system of controllable temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371828.3U CN204026717U (en) | 2014-07-08 | 2014-07-08 | Integrate powder process storage powder and supply powder and the rotary-type pulverized coal combustion system of controllable temperature |
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| CN204026717U true CN204026717U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420371828.3U Withdrawn - After Issue CN204026717U (en) | 2014-07-08 | 2014-07-08 | Integrate powder process storage powder and supply powder and the rotary-type pulverized coal combustion system of controllable temperature |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089296A (en) * | 2014-07-08 | 2014-10-08 | 赵怀竹 | Temperature-controllable rotating pulverized coal combustion system integrating powder making, storage and supply |
| CN106089713A (en) * | 2016-08-12 | 2016-11-09 | 双钱集团（江苏）轮胎有限公司 | The double protection device of a kind of pre-dispersed blower fan |
| CN107036121A (en) * | 2017-06-08 | 2017-08-11 | 青岛华煤能源科技有限公司 | A kind of semi-coke integrated combustion system |
-
2014
- 2014-07-08 CN CN201420371828.3U patent/CN204026717U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089296A (en) * | 2014-07-08 | 2014-10-08 | 赵怀竹 | Temperature-controllable rotating pulverized coal combustion system integrating powder making, storage and supply |
| CN106089713A (en) * | 2016-08-12 | 2016-11-09 | 双钱集团（江苏）轮胎有限公司 | The double protection device of a kind of pre-dispersed blower fan |
| CN106089713B (en) * | 2016-08-12 | 2018-11-20 | 双钱集团（江苏）轮胎有限公司 | A kind of double protective devices of pre-dispersed blower |
| CN107036121A (en) * | 2017-06-08 | 2017-08-11 | 青岛华煤能源科技有限公司 | A kind of semi-coke integrated combustion system |
| CN107036121B (en) * | 2017-06-08 | 2024-03-08 | 青岛华煤能源科技有限公司 | Semi-coke comprehensive combustion system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20160608 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |