CN215853925U - Powder discharge hopper for coal powder bin powder discharge pipeline system - Google Patents
Powder discharge hopper for coal powder bin powder discharge pipeline system Download PDFInfo
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- CN215853925U CN215853925U CN202121021677.5U CN202121021677U CN215853925U CN 215853925 U CN215853925 U CN 215853925U CN 202121021677 U CN202121021677 U CN 202121021677U CN 215853925 U CN215853925 U CN 215853925U
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Abstract
The utility model provides a powder discharge hopper for a powder discharge pipeline system of a coal powder bin, which is characterized in that: the coal dust collecting device comprises a circular flange, a material guiding cover body, a conveying pipeline, a supporting plate and a blocking plate, wherein the circular flange is installed at the upper end of the material guiding cover body, the material guiding cover body is detachably connected to a discharging opening at the bottom of a coal dust bin through the circular flange, the material guiding cover body gradually narrows from top to bottom, one end of the conveying pipeline is horizontally placed, one end of the conveying pipeline is connected with the blocking plate, one end of the conveying pipeline is sealed through the blocking plate, the lower end of the material guiding cover body is connected to the top of the conveying pipeline and communicated with the conveying pipeline, the supporting plate is horizontally arranged in the conveying pipeline, one end of the supporting plate is fixed to the blocking plate, the front end and the rear end of the supporting plate are respectively connected with the front inner wall and the rear inner wall of the conveying pipeline, and the lower end of the material guiding cover body is located right above the supporting plate. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Description
Technical Field
The utility model relates to a pulverized coal bunker powder discharge pipeline system, in particular to a powder discharge hopper for a pulverized coal bunker powder discharge pipeline system.
Background
The main production links of a thermal power plant can be roughly divided into: the method comprises the steps of feeding fuel into a factory, feeding the fuel into a furnace, treating water, preparing pulverized coal, combusting the fuel in the boiler, producing and consuming steam, generating power by a steam turbine set, conveying the power and the like, wherein a powder discharging hopper is required to be installed at a discharging opening at the bottom of a pulverized coal bunker in the combustion process of the boiler, the conventional powder discharging hopper only has the function of guiding the fuel, and once the pulverized coal bunker is blocked, the conventional powder discharging hopper needs to be detached to be independently cleaned to be continuously used, so that the conventional powder discharging hopper is very troublesome, and therefore, the design of the powder discharging hopper for the pulverized coal bunker powder discharging pipeline system is particularly important for solving the problems.
Disclosure of Invention
The utility model provides a powder discharge hopper for a coal powder bin powder discharge pipeline system, which is characterized in that a second blowhole and a pressure valve are arranged, when the first blowhole is blocked, the pressure valve can be automatically opened, so that compressed air is continuously used for blowing coal powder by utilizing the second blowhole, and the effect of increasing the practical performance is achieved.
In order to solve the technical problem, the utility model provides a powder discharge hopper for a powder discharge pipeline system of a coal powder bin, which is characterized in that: the coal dust collecting device comprises a circular flange, a material guiding cover body, a conveying pipeline, a supporting plate and a blocking plate, wherein the circular flange is arranged at the upper end of the material guiding cover body, the material guiding cover body is detachably connected at a discharge opening at the bottom of a coal dust bin through the circular flange, the material guiding cover body gradually narrows from top to bottom, one end of the conveying pipeline is horizontally arranged, one end of the conveying pipeline is connected with the blocking plate, one end of the conveying pipeline is sealed through the blocking plate, the lower end of the material guiding cover body is connected to the top of the conveying pipeline and is mutually communicated with the conveying pipeline, the supporting plate is horizontally arranged in the conveying pipeline, one end of the supporting plate is fixed on the blocking plate, the front end and the rear end of the supporting plate are respectively connected with the front inner wall and the rear inner wall of the conveying pipeline, the lower end of the material guiding cover body is positioned right above the supporting plate, and the distance from the supporting plate to the inner top of the conveying pipeline is larger than the distance from the supporting plate to the inner bottom of the conveying pipeline, the top that pipeline installed closure plate one end be provided with first hole of blowing, the closure plate of backup pad below on be provided with the second hole of blowing, first hole of blowing and second hole of blowing link to each other with compressed air pipeline through the reposition of redundant personnel pipeline, compressed air pipeline on install the stop valve, second hole of blowing and reposition of redundant personnel pipeline between still be provided with the pressure valve.
Further: the conveying pipeline above the supporting plate is also internally provided with an anti-blocking pushing mechanism, the anti-blocking pushing mechanism comprises an electric cylinder, a pushing plate and a piston rod, the electric cylinder is fixed on the blocking plate, one end of the piston rod is connected with the electric cylinder, the other end of the piston rod penetrates through the blocking plate to be connected with the pushing plate, and the shape of the pushing plate is matched with the inner wall of the conveying pipeline above the supporting plate.
And further: the pressure valve comprises a first valve cylinder, a second valve cylinder, a valve core and a first spring, wherein the first valve cylinder is a valve body with one open end and one sealed end, the open end of the first valve cylinder is connected with a shunt pipeline, the first spring is arranged between the valve core and the sealed end in the first valve cylinder in a piston type connection mode in the first valve cylinder, one end of the second valve cylinder is fixed on the outer side of the first valve cylinder and is sealed with the first valve cylinder, a gap is reserved between the inner wall of the second valve cylinder and the outer wall of the first valve cylinder, the other end of the second valve cylinder is fixed on a blocking plate and is communicated with a second air blowing hole, a flow guide channel is formed in the side wall of the first valve cylinder, and the flow guide channel is communicated with the gap between the first valve cylinder and the second valve cylinder and is sealed through the valve core.
And further: the inner wall of the first valve barrel between the diversion channel and the sealed end of the first valve barrel is provided with a groove, the groove is connected with a trapezoidal clamping block through a second spring, the outer wall of the valve core is provided with a clamping groove matched with the trapezoidal clamping block, the trapezoidal clamping block is clamped into the clamping groove under the action of the second spring, the sealed end of the first valve barrel is fixed with a second electric cylinder, and the shaft outlet end of the second electric cylinder extends into the first valve barrel.
And further: and the other end of the conveying pipeline is provided with a tooth-shaped clamping part for connecting a conveying hose.
After the structure is adopted, the second blowhole and the pressure valve are arranged, so that the pressure valve can be automatically opened when the first blowhole is blocked, the second blowhole is utilized to continue compressed air to blow pulverized coal, and the effect of increasing the practical performance is achieved; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural view of the pressure valve.
Fig. 3 is an enlarged view of a in fig. 2.
Detailed Description
The gear direction detecting and adjusting device as shown in fig. 1 comprises a powder discharging hopper for a powder discharging pipeline system of a coal powder bin, and comprises a circular flange 1, a material guiding cover body 2, a conveying pipeline 3, a supporting plate 4 and a blocking plate 5, wherein the circular flange is arranged at the upper end of the material guiding cover body, the material guiding cover body is detachably connected at a discharging port at the bottom of the coal powder bin through the circular flange, the material guiding cover body gradually narrows from top to bottom, one end of the conveying pipeline is horizontally arranged and is connected with the blocking plate, one end of the conveying pipeline is sealed through the blocking plate, the lower end of the material guiding cover body is connected at the top of the conveying pipeline and is communicated with the conveying pipeline, the supporting plate is horizontally arranged in the conveying pipeline, one end of the supporting plate is fixed on the blocking plate, the front end and the rear end of the supporting plate are respectively connected with the front inner wall and the rear inner wall of the conveying pipeline, the lower extreme of the guide cover body be located the backup pad directly over, backup pad to pipeline in the distance of top be greater than backup pad to pipeline in the distance of bottom, pipeline install the top of closure plate one end and be provided with first hole of blowing, the closure plate of backup pad below on be provided with the second hole of blowing, first hole of blowing and second hole of blowing link to each other with compressed air pipeline 10 through reposition of redundant personnel pipeline 6, compressed air pipeline on install stop valve 11, second hole of blowing and reposition of redundant personnel pipeline between still be provided with pressure valve 7, pipeline's the other end be provided with the tooth form clamping part 3-1 that is used for connecting delivery hose. According to the utility model, the second blowhole and the pressure valve are arranged, when the first blowhole is blocked, the pressure valve can be automatically opened, so that the second blowhole is utilized to continue compressed air to blow pulverized coal, and the effect of increasing the practical performance is achieved; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.
As shown in fig. 1, an anti-blocking pushing mechanism is further arranged in the conveying pipeline above the supporting plate, the anti-blocking pushing mechanism comprises an electric cylinder 9 fixed on the blocking plate, a pushing plate 8 and a piston rod, the electric cylinder is connected with one end of the piston rod, the other end of the piston rod penetrates through the blocking plate to be connected with the pushing plate, and the shape of the pushing plate is matched with the inner wall of the conveying pipeline above the supporting plate. When the first hole of blowing can't continue to carry out the buggy and blow, start electronic jar and utilize the push plate to go out the buggy propelling movement that backup pad top blockked up to can continue to utilize the first hole of blowing to blow the buggy.
The pressure valve shown in fig. 1 includes a first cylinder 7-1, a second cylinder 7-2, a spool 7-3 and a first spring 7-4, the first valve cylinder is a valve body with one open end and one sealed end, the open end of the first valve cylinder is connected with the shunt pipeline, the valve core is connected in the first valve cylinder in a piston mode, a first spring is arranged between the valve core and one end of the first valve cylinder, which is sealed, one end of the second valve cylinder is fixed at the outer side of the first valve cylinder and sealed with the first valve cylinder, a gap is reserved between the inner wall of the second valve cylinder and the outer wall of the first valve cylinder, the other end of the second valve cylinder is fixed on the blocking plate and is communicated with the second air blowing hole, the side wall of the first valve cylinder is provided with a flow guide channel 7-5, the flow guide channel is communicated with a gap between the first valve cylinder and the second valve cylinder and is sealed by the valve core. When first blowing hole takes place to block up, pressure in the reposition of redundant personnel pipeline can constantly increase, and the case can extrude first spring and open water conservancy diversion passageway this moment to utilize the second blowing hole to blow the buggy.
A groove 7-8 is formed in the inner wall of the first valve barrel between the diversion channel and the sealed end of the first valve barrel as shown in fig. 1, the groove is connected with a trapezoidal fixture block 7-9 through a second spring 7-10, a clamping groove 7-6 matched with the trapezoidal fixture block is formed in the outer wall of the valve core, the trapezoidal fixture block is clamped into the clamping groove under the action of the second spring, a second electric cylinder 15 is fixed at the sealed end of the first valve barrel, and the shaft outlet end of the second electric cylinder extends into the first valve barrel. When the trapezoidal fixture block is clamped into the clamping groove, the diversion channel is just opened, and when the second blowing hole is not needed, the second electric cylinder is started to push the valve core, so that the trapezoidal fixture block is separated from the clamping groove, and the valve core is returned to the original position under the pushing of the first spring.
Claims (5)
1. The utility model provides a put powder hopper that is used for buggy storehouse to put powder pipe-line system which characterized in that: the coal powder conveying device comprises a circular flange (1), a material guiding cover body (2), a conveying pipeline (3), a supporting plate (4) and a blocking plate (5), wherein the circular flange is installed at the upper end of the material guiding cover body, the material guiding cover body is detachably connected to a discharging opening at the bottom of a coal powder bin through the circular flange, the material guiding cover body gradually narrows from top to bottom, one end of the conveying pipeline is horizontally placed and is connected with the blocking plate, one end of the conveying pipeline is sealed through the blocking plate, the lower end of the material guiding cover body is connected to the top of the conveying pipeline and is communicated with the conveying pipeline, the supporting plate is horizontally arranged in the conveying pipeline, one end of the supporting plate is fixed on the blocking plate, the front end and the rear end of the supporting plate are respectively connected with the front inner wall and the rear inner wall of the conveying pipeline, the lower end of the material guiding cover body is positioned right above the supporting plate, and the distance from the supporting plate to the inner top of the conveying pipeline is greater than the distance from the supporting plate to the inner bottom of the conveying pipeline, the top that pipeline installed closure plate one end be provided with first hole of blowing, the closure plate of backup pad below on be provided with the second hole of blowing, first hole of blowing and second hole of blowing pass through reposition of redundant personnel pipeline (6) and link to each other with compressed air pipeline (10), compressed air pipeline on install stop valve (11), second hole of blowing and reposition of redundant personnel pipeline between still be provided with pressure valve (7).
2. The powder discharge hopper for the coal powder bunker powder discharge pipeline system as claimed in claim 1, wherein: the conveying pipeline above the supporting plate is also internally provided with an anti-blocking pushing mechanism, the anti-blocking pushing mechanism comprises an electric cylinder (9), a pushing plate (8) and a piston rod, the electric cylinder is fixed on the blocking plate, one end of the piston rod is connected with the electric cylinder, the other end of the piston rod penetrates through the blocking plate and is connected with the pushing plate, and the shape of the pushing plate is matched with the inner wall of the conveying pipeline above the supporting plate.
3. The powder discharge hopper for the coal powder bunker powder discharge pipeline system as claimed in claim 1, wherein: the pressure valve comprises a first valve cylinder (7-1), a second valve cylinder (7-2), a valve core (7-3) and a first spring (7-4), the first valve cylinder is a valve body with one open end and one sealed end, the open end of the first valve cylinder is connected with the shunt pipeline, the valve core is connected in the first valve cylinder in a piston mode, a first spring is arranged between the valve core and one end of the first valve cylinder, which is sealed, one end of the second valve cylinder is fixed at the outer side of the first valve cylinder and sealed with the first valve cylinder, a gap is reserved between the inner wall of the second valve cylinder and the outer wall of the first valve cylinder, the other end of the second valve cylinder is fixed on the blocking plate and is communicated with the second air blowing hole, the side wall of the first valve cylinder is provided with a flow guide channel (7-5), the flow guide channel is communicated with a gap between the first valve cylinder and the second valve cylinder and is sealed by the valve core.
4. The powder discharge hopper for the coal powder bunker powder discharge pipeline system as claimed in claim 3, wherein: the valve core is characterized in that a groove (7-8) is formed in the inner wall of the first valve barrel between the diversion channel and the sealed end of the first valve barrel, the groove is connected with a trapezoidal fixture block (7-9) through a second spring (7-10), a clamping groove (7-6) matched with the trapezoidal fixture block is formed in the outer wall of the valve core, the trapezoidal fixture block is clamped into the clamping groove under the action of the second spring, a second electric cylinder (15) is fixed at the sealed end of the first valve barrel, and the output shaft end of the second electric cylinder extends into the first valve barrel.
5. The powder discharge hopper for the coal powder bunker powder discharge pipeline system as claimed in claim 1, wherein: the other end of the conveying pipeline is provided with a tooth-shaped clamping part (3-1) for connecting a conveying hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121021677.5U CN215853925U (en) | 2021-05-13 | 2021-05-13 | Powder discharge hopper for coal powder bin powder discharge pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121021677.5U CN215853925U (en) | 2021-05-13 | 2021-05-13 | Powder discharge hopper for coal powder bin powder discharge pipeline system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215853925U true CN215853925U (en) | 2022-02-18 |
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ID=80316437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121021677.5U Active CN215853925U (en) | 2021-05-13 | 2021-05-13 | Powder discharge hopper for coal powder bin powder discharge pipeline system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215853925U (en) |
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2021
- 2021-05-13 CN CN202121021677.5U patent/CN215853925U/en active Active
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