CN204665327U - The adjacent stove of a kind of station boiler turns powder device - Google Patents
The adjacent stove of a kind of station boiler turns powder device Download PDFInfo
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- CN204665327U CN204665327U CN201520127100.0U CN201520127100U CN204665327U CN 204665327 U CN204665327 U CN 204665327U CN 201520127100 U CN201520127100 U CN 201520127100U CN 204665327 U CN204665327 U CN 204665327U
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- powder
- stove
- storehouse
- absorption mechanism
- pulverized
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Abstract
The utility model discloses the adjacent stove of a kind of station boiler and turn powder device, belong to thermal power generating technology field.The adjacent stove of described station boiler turns powder device and comprises the first powder absorption mechanism and be connected with at the bottom of described first storehouse, stove powder storehouse; First packing auger structure, is connected with described first powder absorption mechanism; Defeated powder mother pipe, is provided with manual communicating door; The side of described manual communicating door is connected with described first powder absorption mechanism, and the female pipe one end of described defeated powder is connected with described first pulverized-coal collector, and the other end is connected with described second pulverized-coal collector; Second powder absorption mechanism, is connected with at the bottom of described second storehouse, stove powder storehouse; Second packing auger structure, one end is connected with described second powder absorption mechanism, and the other end is connected with the opposite side of described manual communicating door.The adjacent stove of the utility model station boiler turns powder device and solves labor cleaning and put powder and bring the problem of accumulating powder spontaneous combustion hidden peril of explosion, serious environment pollution and energy medium loss and waste, economize energy, ensures that unit safety, economic stability are run.
Description
Technical field
The utility model relates to thermal power generating technology field, and particularly the adjacent stove of a kind of station boiler turns powder device.
Background technology
The WG670/13.7-8 type list drum boiler that Wuhan Boiler Works of existing 2 × 200MW unit boiler system produces, combustion system is corner tangential firing, balanced draft, adopt pulverized coal carried by hot air, every platform boiler is equipped with 2 cover bin storage type pulverizing systems, and capital equipment comprises: coal pulverizer, mill exhauster, mill separator, pulverized-coal collector, a public Pulverized Coal Bin.
When boiler breakdowns are out of service, peak regulation is stopped transport or blowing out turns maintenance, Pulverized Coal Bin inside still contains a large amount of coal dust, tens tons at least, at most hundreds of ton.Coal dust in Pulverized Coal Bin accumulates because of long-time, by the oxidation evolution of heat lentamente of air, and radiating condition is bad in relatively airtight Pulverized Coal Bin, the heat discharged impels again oxidation to accelerate, coal dust temperature rise to burning-point and catch fire voluntarily, the spontaneous combustion of coal dust.The great surface area of coal dust, particle diameter are that 20-50 micron has good mobility, and when aerial concentration reaches 0.3-0.6 kilogram/cubic metre, one runs into spark, coal dust explosion can occur.Associated safety working regulation specifies: boiler shutdown for subsequent use or shutdown maintenance time, more than 3 days, should accumulate coal dust cleaning in Pulverized Coal Bin, to prevent the spontaneous combustion of pulverized coal blast of powder storehouse.
The many employings of method of accumulating coal dust in conventional cleaning intermediate storage-type pulverized coal preparation system Pulverized Coal Bin manually put powder, Hydraulic transportation to grey field or mechanical type transhipment.Labor cleaning puts powder mode: first remove need to clear up, the lower powder short tube at powder outlet place under the machine supplying powder of powder pulverized coal bunker of boiler to be put, one is led to 0M layer pulverized coal feed pipe by machine supplying powder working face 10M layer is installed, builds the coal dust transfer passage that Pulverized Coal Bin is new.Start corresponding machine supplying powder work, by the difference in height between Pulverized Coal Bin and ground, under gravity the coal dust of Pulverized Coal Bin is transported to 0M layer trench by new clothes pulverized coal feed pipe, then under the carrying of trench flushing water, enter ash-slag disposal system, be discharged into grey field, or take man-handling of materials coal dust at 0M layer.Complete and once put powder process to the labor cleaning of Pulverized Coal Bin, two machine supplying powders take turns to operate, need about week age.The method process is more loaded down with trivial details, operating efficiency low, extremely easily cause environmental pollution, and non-renewable resources raw coal goes out of use, wastes, and increases station service power consumption rate, heat supply coal consumption and unit product water consumption, what is more important security extreme difference.
Utility model content
The utility model provides the adjacent stove of a kind of station boiler to turn powder device, solve labor cleaning in prior art and put the technical problem that powder brings accumulation powder spontaneous combustion hidden peril of explosion, serious environment pollution and energy medium loss and waste, reach economize energy, ensure unit safety, economic stability run technique effect.
For solving the problems of the technologies described above, the utility model provides the adjacent stove of a kind of station boiler and turns powder device, transport mutually for the stove powder in the first stove powder storehouse and the second stove powder storehouse, described first stove powder storehouse is arranged on below the first pulverized-coal collector, and described second stove powder storehouse is arranged on below described second pulverized-coal collector, the described powder device that turns comprises the first powder absorption mechanism, is connected with at the bottom of described first storehouse, stove powder storehouse, first packing auger structure, is connected with described first powder absorption mechanism, defeated powder mother pipe, is provided with manual communicating door, the side of described manual communicating door is connected with described first powder absorption mechanism, and the female pipe one end of described defeated powder is connected with described first pulverized-coal collector, and the other end is connected with described second pulverized-coal collector, second powder absorption mechanism, is connected with at the bottom of described second storehouse, stove powder storehouse, second packing auger structure, one end is connected with described second powder absorption mechanism, and the other end is connected with the opposite side of described manual communicating door, wherein, when the stove powder in described first stove powder storehouse is delivered to described second stove powder storehouse, open the described manual communicating door on the female pipe of described defeated powder, described second powder absorption mechanism stops, start described first powder absorption mechanism, described first powder absorption mechanism extracts the stove powder at the bottom of described first storehouse, stove powder storehouse, described stove powder enters described defeated powder mother pipe by described first packing auger structure, stove powder is delivered to the second pulverized-coal collector by the female pipe of described defeated powder, described stove powder is delivered to described second stove powder storehouse by described second pulverized-coal collector, when the stove powder in described second stove powder storehouse is delivered to described first stove powder storehouse, open the described manual communicating door on the female pipe of described defeated powder, described first powder absorption mechanism stops, start described second powder absorption mechanism, described second powder absorption mechanism extracts the stove powder at the bottom of described second storehouse, stove powder storehouse, described stove powder enters described defeated powder mother pipe by described second packing auger structure, stove powder is delivered to the first pulverized-coal collector by the female pipe of described defeated powder, described stove powder is delivered to described first stove powder storehouse by described first pulverized-coal collector.
Further, described first powder absorption mechanism comprises machine supplying powder, is arranged on the bottom in described first stove powder storehouse; Lower powder outlet, one end is connected with described machine supplying powder; Flexible pipe, one end is connected with the other end of described lower powder outlet; Take out powder arm, be above provided with flexible pipe docking port, described flexible pipe docking port is connected with the other end of described flexible pipe, described in take out powder arm one end and be connected with described first packing auger structure.
Further, described first powder absorption mechanism also comprises empty hand sluice valve, takes out the end of powder arm described in being arranged on.
Further, described first powder absorption mechanism also comprises manually operated door, takes out one end that powder arm is connected with described first packing auger structure described in being arranged on
Further, described first powder absorption mechanism also comprises shutoff blind plate, takes out the flexible pipe docking port on powder arm described in being arranged on.
Further, described first packing auger structure comprises total duff pipe, and one end is connected with described first powder absorption mechanism, and the other end is connected with the female pipe of described defeated powder.
Further, described total duff pipe is provided with manually operated door.
Further, the female pipe two ends of described defeated powder inlet porting manually operated door respectively.
The adjacent stove of the station boiler that the utility model provides turns powder device, when the stove powder in the first stove powder storehouse is delivered to the second stove powder storehouse, open the manual communicating door on the female pipe of defeated powder, second powder absorption mechanism stops, start the first powder absorption mechanism, first powder absorption mechanism extracts the stove powder at the bottom of the first storehouse, stove powder storehouse, stove powder enters defeated powder mother pipe by the first packing auger structure, stove powder is delivered to the second pulverized-coal collector by the female pipe of defeated powder, stove powder is delivered to described second stove powder storehouse by the second pulverized-coal collector, open the manual communicating door on the female pipe of defeated powder, when the stove powder in the second stove powder storehouse is delivered to the first stove powder storehouse, first powder absorption mechanism stops, start the second powder absorption mechanism, second powder absorption mechanism extracts the stove powder at the bottom of the second storehouse, stove powder storehouse, stove powder enters defeated powder mother pipe by the second packing auger structure, stove powder is delivered to the first pulverized-coal collector by the female pipe of defeated powder, stove powder is delivered to the first stove powder storehouse by the first pulverized-coal collector, solve labor cleaning to put powder and bring and accumulate powder spontaneous combustion hidden peril of explosion, the problem of serious environment pollution and energy medium loss and waste, economize energy, ensure unit safety, economic stability is run.
Accompanying drawing explanation
The adjacent stove of the station boiler that Fig. 1 provides for the utility model embodiment turns the structural representation of powder device;
The adjacent stove of the station boiler that Fig. 2 provides for the utility model embodiment turns the scheme of installation of powder device;
The structural representation of the female pipe of defeated powder that Fig. 3 provides for the utility model embodiment;
The connection diagram of the female pipe of defeated powder that Fig. 4 provides for the utility model embodiment.
Detailed description of the invention
See Fig. 1-2, the utility model embodiment provides the adjacent stove of a kind of station boiler and turns powder device and comprise: female pipe 7, second powder absorption mechanism of the first powder absorption mechanism, the first packing auger structure, defeated powder and the second packing auger structure.
Described first powder absorption mechanism is connected with at the bottom of described first storehouse, stove powder storehouse 1.
Described first packing auger structure is connected with described first powder absorption mechanism.
The female pipe 7 of described defeated powder is provided with manual communicating door 8; The side of described manual communicating door 8 is connected with described first powder absorption mechanism, and female pipe 7 one end of described defeated powder is connected with described first pulverized-coal collector 9, and the other end is connected with described second pulverized-coal collector 10; Female pipe 7 two ends of described defeated powder inlet porting manually operated door respectively.
Described second powder absorption mechanism is connected with at the bottom of described second storehouse, stove powder storehouse 11; Described second powder absorption mechanism is consistent with described first powder absorption mechanism structure.。
Described second packing auger structure one end is connected with described second powder absorption mechanism, and the other end is connected with the opposite side of described manual communicating door 8; It is consistent that described second packing auger structure and described first puts powder mechanism structure.
Wherein, when the stove powder in described first stove powder storehouse 1 is delivered to described second stove powder storehouse 11, open the described manual communicating door 8 on the female pipe 7 of described defeated powder, described second powder absorption mechanism stops, start described first powder absorption mechanism, described first powder absorption mechanism extracts the stove powder at the bottom of described first storehouse, stove powder storehouse 1, described stove powder enters the female pipe 7 of described defeated powder by described first packing auger structure, stove powder is delivered to described second pulverized-coal collector 10 by the female pipe 7 of described defeated powder, described stove powder is delivered to described second stove powder storehouse 11 by described second pulverized-coal collector 10, when the stove powder in described second stove powder storehouse 11 is delivered to described first stove powder storehouse 1, open the described manual communicating door 8 on the female pipe 7 of described defeated powder, described first powder absorption mechanism stops, start described second powder absorption mechanism, described second powder absorption mechanism extracts the stove powder at the bottom of described second storehouse, stove powder storehouse 11, described stove powder enters the female pipe 7 of described defeated powder by described second packing auger structure, stove powder is delivered to described first pulverized-coal collector 9 by the female pipe 7 of described defeated powder, described stove powder is delivered to described first stove powder storehouse 1 by described first pulverized-coal collector 9.
Describe the structure of the first powder absorption mechanism in detail.
Described first powder absorption mechanism comprises: machine supplying powder 2, lower powder outlet, flexible pipe and take out powder arm 4.
Described machine supplying powder 2 is arranged on the bottom in described first stove powder storehouse 1; Described lower powder outlet one end is connected with described machine supplying powder 2.Described flexible pipe one end is connected with the other end of described lower powder outlet, described in the flexible pipe docking port 12 taken out on powder arm 4 go out to be provided with shutoff blind plate, particularly, in the present embodiment, described flexible pipe is metal hose, and in other embodiments, described flexible pipe can be rubber hose etc.Described taking out on powder arm 4 is provided with flexible pipe docking port 12, and described flexible pipe docking port 12 is connected with the other end of described flexible pipe, described in take out powder arm 4 one end and be connected with described first packing auger structure; The described other end taking out powder arm 4 is provided with empty hand sluice valve 3, adjusts the aperture to empty hand sluice valve 3, maintains negative pressure in pulverized coal feed pipe, wind powder balance; Describedly take out one end that powder arm 4 is connected with described first packing auger structure and be provided with manually operated door 5.
Describe the structure of described first packing auger structure in detail.
Described first packing auger structure comprises: total duff pipe 6.
Described total duff pipe 6 one end is connected with described first powder absorption mechanism, and the other end is connected with the female pipe 7 of described defeated powder; The female pipe 7 of described defeated powder is provided with manually operated door 8.
Introduce the utility model embodiment in order to clearer, introduced from the using method of the utility model embodiment below.
Before package unit puts into operation, the manually operated door 5 of the first stove powder Cang1Chu, defeated the powder female manual communicating door at pipe 7 place, the manually operated door of entrance manually operated door 13, second stove powder Cang11Chu at the first pulverized-coal collector 9 place and the entrance manually operated door at the second pulverized-coal collector 10 place are closed condition, the flexible pipe docking port 12 of the first stove powder Cang1Chu and the flexible pipe docking port shutoff blind plate shutoff of the second stove powder Cang11Chu, to lower powder outlet at normal working position.
When the first stove powder storehouse 1 is to the second stove powder storehouse 11 pulverized coal conveying, remove the shutoff blind plate taking out flexible pipe docking port 12 place on powder arm 4 of the first stove powder Cang1Chu, and docking lower powder outlet with one end of the flexible pipe of the first stove powder Cang1Chu, the other end is connected with the flexible pipe docking port 12 taken out on powder arm 4.Open the entrance manually operated door 12 to empty hand sluice valve 3, manually operated door 5, the female manual communicating door 8 of pipe 7 of defeated powder and the second pulverized-coal collector 10 of the first stove powder Cang1Chu.Second pulverized-coal collector 10 drops into and turns for state, utilizes the operating pressure of the second pulverized-coal collector 10 to set up negative pressure in pulverized coal feed pipe.Start the machine supplying powder 2 of the first stove powder Cang1Chu, what coal dust was delivered to the first stove powder Cang1Chu with high velocity air by the lower powder outlet of the first stove powder Cang1Chu, flexible pipe takes out powder arm 4, the powder arm 4 of taking out of the first stove powder Cang1Chu is delivered to the female pipe 7 of defeated powder by total duff pipe 6 of the first stove powder Cang1Chu, the entrance manually operated door 13 at the first pulverized-coal collector place cuts out, the entrance manually operated door at the second pulverized-coal collector 10 place is opened, coal dust is delivered to the second pulverized-coal collector 10, second pulverized-coal collector 10 and coal dust is delivered to the second stove powder storehouse 11 by the female pipe 7 of defeated powder.When turning for coal dust, strictly should control the coal dust amount of carrying, ensure negative pressure suitable in pulverized coal feed pipe, prevent the excessive plugging of powder amount from running powder, adjust the second pulverized-coal collector 10 export rear in mill exhauster exert oneself, machine supplying powder 2 rotating speed of the first stove powder Cang1Chu and the first stove powder Cang1Chu to empty hand sluice valve 4 aperture, maintain negative pressure in pulverized coal feed pipe, wind powder balance.
When the second stove powder storehouse 11 is to the first stove powder storehouse 1 pulverized coal conveying, remove the shutoff blind plate taking out the flexible pipe docking port place on powder arm of the second stove powder Cang11Chu, and docking lower powder outlet with one end of the flexible pipe of the second stove powder Cang11Chu, the other end is connected with the flexible pipe docking port taken out on powder arm of the second stove powder Cang11Chu.Open the entrance manually operated door 13 to empty hand sluice valve, manually operated door, the female manual communicating door 8 of pipe 7 of defeated powder and the first pulverized-coal collector 9 of the second stove powder Cang11Chu.First pulverized-coal collector 9 drops into and turns for state, utilizes the operating pressure of the first pulverized-coal collector 9 to set up negative pressure in pulverized coal feed pipe.Start the machine supplying powder of the second stove powder Cang11Chu, coal dust is delivered to high velocity air is taken out powder arm by the lower powder outlet of the second stove powder Cang11Chu, flexible pipe, the powder arm of taking out of the second stove powder Cang11Chu is delivered to the female pipe 7 of defeated powder by total duff pipe, the entrance manually operated door 12 at the second pulverized-coal collector 10 place cuts out, the entrance manually operated door 13 at the first pulverized-coal collector 9 place is opened, coal dust is delivered to the first pulverized-coal collector 9, first pulverized-coal collector 9 and coal dust is delivered to the first stove powder storehouse 1 by the female pipe 7 of defeated powder.When turning for coal dust, strictly should control the coal dust amount of carrying, ensure negative pressure suitable in pulverized coal feed pipe, prevent the excessive plugging of powder amount from running powder, adjust the first pulverized-coal collector 9 export after mill exhauster exert oneself, the machine supplying powder rotating speed of the second stove powder Cang1Chu and the second stove powder Cang11Chu to empty hand sluice valve aperture, maintain negative pressure in pulverized coal feed pipe, wind powder balance.
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (8)
1. the adjacent stove of station boiler turns powder device, transport mutually for the stove powder in the first stove powder storehouse (1) and the second stove powder storehouse (11), described first stove powder storehouse (1) is arranged on the first pulverized-coal collector (9) below, and described second stove powder storehouse (11) is arranged on the second pulverized-coal collector (10) below; It is characterized in that, described in turn powder device and comprise:
First powder absorption mechanism, is connected with at the bottom of described first stove powder storehouse (1) storehouse;
First packing auger structure, is connected with described first powder absorption mechanism;
Defeated powder mother's pipe (7), is provided with manual communicating door (8); The side of described manual communicating door (8) is connected with described first powder absorption mechanism, described defeated powder mother pipe (7) one end is connected with described first pulverized-coal collector (9), and the other end is connected with described second pulverized-coal collector (10);
Second powder absorption mechanism, is connected with at the bottom of described second stove powder storehouse (11) storehouse;
Second packing auger structure, one end is connected with described second powder absorption mechanism, and the other end is connected with the opposite side of described manual communicating door (8).
2. according to claim 1ly turn powder device, it is characterized in that, described first powder absorption mechanism comprises:
Machine supplying powder (2), is arranged on the bottom in described first stove powder storehouse (1);
Lower powder outlet, one end is connected with described machine supplying powder (2);
Flexible pipe, one end is connected with the other end of described lower powder outlet;
Take out powder arm (4), be above provided with flexible pipe docking port (12), described flexible pipe docking port (12) is connected with the other end of described flexible pipe, described in take out powder arm (4) one end and be connected with described first packing auger structure.
3. according to claim 2ly turn powder device, it is characterized in that, described first powder absorption mechanism also comprises:
To empty hand sluice valve (3), described in being arranged on, take out the other end of powder arm (4).
4. according to claim 2ly turn powder device, it is characterized in that, described first powder absorption mechanism also comprises:
Manually operated door (5), takes out one end that powder arm (4) is connected with described first packing auger structure described in being arranged on.
5. according to claim 2ly turn powder device, it is characterized in that, described first powder absorption mechanism also comprises:
Shutoff blind plate, takes out the described flexible pipe docking port (12) on powder arm (4) described in being arranged on.
6. according to claim 1ly turn powder device, it is characterized in that, described first packing auger structure comprises:
Total duff pipe (6), one end is connected with described first packing auger structure, and the other end is connected with the female pipe of described defeated powder.
7. according to claim 1ly turn powder device, it is characterized in that:
Described defeated powder mother's pipe (7) is provided with manually operated door (8).
8. according to claim 1ly turn powder device, it is characterized in that:
Described defeated powder mother pipe (7) two ends inlet porting manually operated door respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127100.0U CN204665327U (en) | 2015-03-04 | 2015-03-04 | The adjacent stove of a kind of station boiler turns powder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127100.0U CN204665327U (en) | 2015-03-04 | 2015-03-04 | The adjacent stove of a kind of station boiler turns powder device |
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| CN204665327U true CN204665327U (en) | 2015-09-23 |
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| CN201520127100.0U Expired - Fee Related CN204665327U (en) | 2015-03-04 | 2015-03-04 | The adjacent stove of a kind of station boiler turns powder device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173718A (en) * | 2019-06-05 | 2019-08-27 | 大唐长春第二热电有限责任公司 | Boiler startup non-oil ignition system based on middle storage formula thermal power generation unit |
| CN110195879A (en) * | 2019-05-10 | 2019-09-03 | 华电电力科学研究院有限公司 | A kind of station boiler neighbour furnace quickly turns powder device and its application method |
| CN113375151A (en) * | 2021-05-31 | 2021-09-10 | 湖北东方化工有限公司 | Desulfurization system of circulating fluidized bed boiler |
-
2015
- 2015-03-04 CN CN201520127100.0U patent/CN204665327U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195879A (en) * | 2019-05-10 | 2019-09-03 | 华电电力科学研究院有限公司 | A kind of station boiler neighbour furnace quickly turns powder device and its application method |
| CN110195879B (en) * | 2019-05-10 | 2024-01-09 | 华电电力科学研究院有限公司 | Quick powder rotating device for adjacent boiler of power station boiler and use method of quick powder rotating device |
| CN110173718A (en) * | 2019-06-05 | 2019-08-27 | 大唐长春第二热电有限责任公司 | Boiler startup non-oil ignition system based on middle storage formula thermal power generation unit |
| CN113375151A (en) * | 2021-05-31 | 2021-09-10 | 湖北东方化工有限公司 | Desulfurization system of circulating fluidized bed boiler |
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