CN203222267U - Auxiliary coal discharging device of coal discharging pipe - Google Patents
Auxiliary coal discharging device of coal discharging pipe Download PDFInfo
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- CN203222267U CN203222267U CN 201320227155 CN201320227155U CN203222267U CN 203222267 U CN203222267 U CN 203222267U CN 201320227155 CN201320227155 CN 201320227155 CN 201320227155 U CN201320227155 U CN 201320227155U CN 203222267 U CN203222267 U CN 203222267U
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- coal
- pipe
- spout
- coal discharging
- connection pipe
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Abstract
The utility model relates to the technical field of coal discharging pipes, in particular to an auxiliary coal discharging device of a coal discharging pipe. The auxiliary coal discharging device of the coal discharging pipe comprises a compressed air system, a connecting pipe and a branch pipe, wherein the connecting pipe surrounds the coal discharging pipe, the branch pipe is respectively communicated with the compressed air system and the connecting pipe, the branch pipe is provided with an air stop valve, and the connecting pipe is formed in an integrated mode and is provided with an inserting pipe which is connected with the coal discharging pipe in an inserted mode. A pipe opening of the inserting pipe is arranged downward in an inclined mode, and the included angle formed between the inserting pipe and the coal discharging pipe is an acute angle. Through the auxiliary coal discharging device of the coal discharging pipe, the connecting pipe and the branch pipe can be arranged according to the length of the coal discharging pipe, compressed air enters the coal discharging pipe through the inserting pipe of the connecting pipe, air thin film is added among coal particles, and friction resistance is reduced. Meanwhile, by means of the pressure of the compressed air, the purpose of coal discharging assisting is achieved. The auxiliary coal discharging device of the coal discharging pipe has the advantages of being simple in structure, good in operation stability, and basically free of maintenance.
Description
Technical field
The utility model relates to the coal spout technical field, particularly the auxiliary device for coal down of a kind of coal spout.
Background technology
Coal chute below the power plant run coal bin is commonly called as coal spout, in use because the humidity of raw coal, the combined action of temperature and viscosity often takes place to stop up and fluffy coal problem, fluffy coal is that the upper strata of raw coal in coal spout chokes as hood, after following raw coal descends, its raw coal that chokes does not still fall in the original place, cause the coal breakage flow to reduce, even cause the conveyer broken coal, cause coal mill can't normally advance coal, produce coal, boiler can't normal combustion or blowing out, the artificial sledgehammer of general employing beats in the prior art, mechanical vibration, mode such as air bubble or conveying machinery is handled, though these methods can play a role, but can't fundamentally solve, also not have good method head it off at present, cause great influence and difficulty for the production of power plant.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure at the deficiencies in the prior art, can effectively solve the auxiliary device for coal down of coal spout of the fluffy coal of coal spout and blockage problem.
The purpose of this utility model realizes by following technical measures.
The auxiliary device for coal down of a kind of coal spout, the connection pipe that comprises compressed air system, arranges around coal spout, and the arm that is communicated with compressed air system, connection pipe respectively, described arm is provided with air-stopping valve, the one-body molded intubate of pegging graft with coal spout that is provided with of described connection pipe, the downward-sloping setting of the described intubate mouth of pipe, the angle that described intubate and coal spout form is acute angle.
Wherein, a described connection pipe and a described arm constitute one group of coal unloading tube road, and the auxiliary device for coal down of described coal spout comprises two groups of described coal unloading tube roads, and the arm in two groups of described coal unloading tube roads is interconnected.
Wherein, two groups of described coal unloading tube roads be arranged in parallel, and described compressed air system is provided with the shutoff valve for control arm airshed.
Wherein, a described connection pipe is provided with three described intubate.
Wherein, described connection pipe is circular connection pipe, and three described intubate are intervally arranged in that same circumference is first-class.
Wherein, described arm removably connects with described connection pipe and described compressed air system respectively.
Wherein, the number of degrees of the angle of described intubate and coal spout formation are the 10-30 degree.
Wherein, the caliber of described intubate is the 10-30 millimeter, and the length of described intubate is the 300-400 millimeter.
Wherein, described connection pipe comprises symmetrically arranged first connecting portion and second connecting portion, and described first connecting portion and second connecting portion removably connect.
Wherein, described first connecting portion and second connecting portion are spirally connected.
The beneficial effects of the utility model are: the auxiliary device for coal down of coal spout of the present utility model, can connection pipe and arm be set according to coal spout length, pressurized air enters coal spout by the intubate of connection pipe, increase coal intergranular air film, the resistance of reducing friction simultaneously, utilizes compressed air pressure, reach the auxiliary purpose of coal down, this apparatus structure is simple, good operation stability and maintenance free substantially.
Description of drawings
The utility model is described in further detail with accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the auxiliary structural representation of device for coal down of a kind of coal spout of the utility model.
In Fig. 1, comprise:
1---connection pipe 11---, first connecting portion
12---second connecting portion 2---intubate
3---arm 31---air-stopping valve
4---compressed air system 41---shutoff valve
5---coal spout.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described, this is preferred embodiment of the present utility model.
Embodiment 1
As shown in Figure 1, the utility model is about the auxiliary device for coal down of a kind of coal spout, the connection pipe 1 that comprises compressed air system 4, arranges around coal spout 5, and the arm 3 that is communicated with compressed air system 4, connection pipe 1 respectively, described arm 3 is provided with air-stopping valve 31, the described connection pipe 1 one-body molded intubate 2 of pegging graft with coal spout 5 that is provided with, the downward-sloping setting of described intubate 2 mouths of pipe, described intubate 2 is acute angle with the angle that coal spout 5 forms.The auxiliary device for coal down of coal spout of the present utility model, can connection pipe 1 and arm 3 be set according to coal spout 5 length, pressurized air enters coal spout by the intubate 2 of connection pipe 1, increase coal intergranular air film, the resistance of reducing friction simultaneously, utilizes compressed air pressure, reach the auxiliary purpose of coal down, this apparatus structure is simple, good operation stability and maintenance free substantially.Arranging of air-stopping valve 31 can effectively be regulated compressed-air actuated airshed according to following coal amount, and be practical, good economy performance.The downward-sloping setting of described intubate 2 mouths of pipe and with angle that coal spout 5 forms be that acute angle can guarantee that then compressed-air actuated air flow line is downward, reach the effect of mediation coal spout 5, the reliability height.
A described connection pipe 1 and a described arm 3 of present embodiment constitute one group of coal unloading tube road, and the auxiliary device for coal down of described coal spout comprises two groups of described coal unloading tube roads, and the arm 3 in two groups of described coal unloading tube roads is interconnected.According to length and the following coal amount of coal spout 5, can increase or reduce the quantity in coal unloading tube road in actual use flexibly, practical.
Two groups of described coal unloading tube roads of present embodiment be arranged in parallel, and described compressed air system 4 is provided with the shutoff valve 41 for control arm 3 airsheds.Generally speaking, two groups of coal unloading tube roads are set and can have reached steadily the effect of coal down.When the coal amount is not high instantly, then can come the save compressed air by the air-stopping valve 31 of closing one of them arm 3, save electric energy; When stopping coal breakage, then can reach the closes compression air draught by the shutoff valve 41 of closing described compressed air system 4, save the purpose of electric energy, good economy performance, practical.
A described connection pipe 1 of present embodiment is provided with three described intubate 2.Three intubate 2 are set can improve the auxiliary work efficiency of device for coal down of coal spout, simple in structure, the practicality height.
The connection pipe 1 of present embodiment is circular connection pipe, and three described intubate 2 are intervally arranged in that same circumference is first-class.It is circular that the shape of coal spout 5 mostly is greatly, therefore circular connection pipe 1 coal spout 5 of can fitting arranges, simple in structure and stable height, three intubate 2 then can be so that compressed-air actuated air-flow equiblibrium mass distribution in coal spout 5 first-class being intervally arranged of same circumference, make the coal grain be bullied evenly, improve the unimpeded degree of coal spout 5, increase work efficiency, practicality is good.
The arm 3 of present embodiment removably connects with described connection pipe 1 and described compressed air system 4 respectively, and is simple in structure, easy assembly and disassembly.
The intubate 2 of present embodiment is the 10-30 degree with the number of degrees of the angle that coal spout 5 forms.Preferably, intubate 2 is 10 degree with the number of degrees of the angle that coal spout 5 forms, intubate 2 forms 10 angles of spending with coal spout 5, make that compressed-air actuated air flow line is controlled, draw through overtesting that this is the angle of inclination of the intubate 2 of the best, can increase the air film of coal intergranular effectively, the resistance of reducing friction improves the traffic capacity of coal spout 5, and practicality is good.
The caliber of the intubate 2 of present embodiment is the 10-30 millimeter, and the length of intubate 2 is the 300-400 millimeter.Preferably, the caliber of intubate 2 is 20 millimeters, and 20 millimeters caliber can both keep the unimpeded degree of compressed air, also can increase the pressure of compressed air, can reach and more effectively promote the coal grain and move downward, increase the unimpeded degree of coal spout 5, practical.The length of intubate 2 is the 300-400 millimeter, and the length range of this intubate 2 makes compressed air come out to blow to big as far as possible scope from intubate 2, increases the protection face of air-flow, can effectively improve the unimpeded degree of coal spout 5, and practicality is good.
The connection pipe 1 of present embodiment comprises symmetrically arranged first connecting portion 11 and second connecting portion 12, and described first connecting portion 11 and second connecting portion 12 removably connect.This setting can be so that the installation and removal of the auxiliary device for coal down of coal spout be more convenient, make technical personnel can increase or reduce the auxiliary quantity of device for coal down of coal spout easily, also can be so that in the time of first connecting portion 11 or 12 breakages of second connecting portion, can change one of them in time, easily, and do not need whole replacing, good economy performance, practical.
First connecting portion 11 and second connecting portion 12 of present embodiment are spirally connected.Particularly, use the mode be spirally connected to connect first connecting portion 11 and second connecting portion 12 is simple and convenient, exploitativeness height and technology maturation, reliability height.
The remainder of present embodiment is identical with embodiment one, repeats no more here.
Should be noted that at last; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection domain; although with reference to preferred embodiment the utility model has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (10)
1. a coal spout is assisted device for coal down, it is characterized in that: the connection pipe that comprises compressed air system, arranges around coal spout, and the arm that is communicated with compressed air system, connection pipe respectively, described arm is provided with air-stopping valve, the one-body molded intubate of pegging graft with coal spout that is provided with of described connection pipe, the downward-sloping setting of the described intubate mouth of pipe, the angle that described intubate and coal spout form is acute angle.
2. according to the auxiliary device for coal down of the described a kind of coal spout of claim 1, it is characterized in that: a described connection pipe and a described arm constitute one group of coal unloading tube road, the auxiliary device for coal down of described coal spout comprises two groups of described coal unloading tube roads, and the arm in two groups of described coal unloading tube roads is interconnected.
3. according to the auxiliary device for coal down of the described a kind of coal spout of claim 2, it is characterized in that: two groups of described coal unloading tube roads be arranged in parallel, and described compressed air system is provided with the shutoff valve for control arm airshed.
4. according to the auxiliary device for coal down of the described a kind of coal spout of claim 1, it is characterized in that: a described connection pipe is provided with three described intubate.
5. according to the auxiliary device for coal down of the described a kind of coal spout of claim 4, it is characterized in that: described connection pipe is circular connection pipe, and three described intubate are intervally arranged in that same circumference is first-class.
6. according to the auxiliary device for coal down of the described a kind of coal spout of claim 1, it is characterized in that: described arm removably connects with described connection pipe and described compressed air system respectively.
7. according to the auxiliary device for coal down of the described a kind of coal spout of claim 1, it is characterized in that: the number of degrees of the angle that described intubate and coal spout form are the 10-30 degree.
8. according to the auxiliary device for coal down of the described a kind of coal spout of claim 1, it is characterized in that: the caliber of described intubate is the 10-30 millimeter, and the length of described intubate is the 300-400 millimeter.
9. according to the auxiliary device for coal down of any described a kind of coal spout of claim 1 to 8, it is characterized in that: described connection pipe comprises symmetrically arranged first connecting portion and second connecting portion, and described first connecting portion and second connecting portion removably connect.
10. according to the auxiliary device for coal down of the described a kind of coal spout of claim 9, it is characterized in that: described first connecting portion and second connecting portion are spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320227155 CN203222267U (en) | 2013-04-28 | 2013-04-28 | Auxiliary coal discharging device of coal discharging pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320227155 CN203222267U (en) | 2013-04-28 | 2013-04-28 | Auxiliary coal discharging device of coal discharging pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203222267U true CN203222267U (en) | 2013-10-02 |
Family
ID=49249279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320227155 Expired - Fee Related CN203222267U (en) | 2013-04-28 | 2013-04-28 | Auxiliary coal discharging device of coal discharging pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203222267U (en) |
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2013
- 2013-04-28 CN CN 201320227155 patent/CN203222267U/en not_active Expired - Fee Related
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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: 20131002 Termination date: 20160428 |