CN217050691U - Material conveying device based on pressure balance - Google Patents
Material conveying device based on pressure balance Download PDFInfo
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- CN217050691U CN217050691U CN202220574946.9U CN202220574946U CN217050691U CN 217050691 U CN217050691 U CN 217050691U CN 202220574946 U CN202220574946 U CN 202220574946U CN 217050691 U CN217050691 U CN 217050691U
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Abstract
The utility model discloses a material conveying device based on pressure balance, which comprises an ash conveying pipeline, a valve body and a valve core, wherein the valve core is arranged in a cavity of the valve body in a sliding manner, a gas inlet is formed in the left side wall of the valve body, a gas outlet is formed in the right side wall of the valve body, a vent groove matched with the gas inlet and the gas outlet is formed in the valve core, and a spring is arranged at the upper end of the valve core; a detection channel is formed in the bottom of the valve body, the lower end of the detection channel is communicated with the ash conveying pipeline, and the upper end of the detection channel is communicated with the bottom of the cavity of the valve body; the gas inlet is communicated with the gas supplementing pipe, and the gas outlet is connected with the detection channel through a connecting pipe. The utility model discloses material conveyor based on pressure balance simple structure, the good reliability, the cost is low, can open the case automatically according to the change of defeated grey pipeline internal pressure, makes compressed air enter into defeated grey pipeline in, high-efficient solar terms.
Description
Technical Field
The utility model relates to a material conveyor field especially relates to a material conveyor based on pressure balance.
Background
Pneumatic conveying, also called airflow conveying, utilizes the power of airflow to convey powdery or granular solid materials in the direction of airflow in a closed pipeline, and is a high-efficiency application of fluidization technology. In the material transport field, adopt pipeline transportation usually, but pipeline transportation takes place the condition that the material blockked up the conveyer pipe easily, when the material takes place to block up, need produce a huge power through compressed air and break away the material that blocks up, makes pipeline resume unblocked state. The currently used plunger type pneumatic ash conveying pipe is generally provided with a plurality of automatic bolting valves on an ash conveying pipe at equal intervals along the length direction of the ash conveying pipe, and then gas is supplemented into the ash conveying pipe through the automatic bolting valves and the pressure is increased. However, the existing pneumatic ash conveying material conveying device has the disadvantages of complex structure, complex manufacturing process, difficult batch production and poor popularization. Therefore, how to develop a novel material conveying device based on pressure balance becomes a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a material conveying device based on pressure balance solves present strength defeated grey material conveying device structure complicacy, and manufacturing process is complicated, and batch production is difficult, the problem of popularization that can not be fine.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a material conveying device based on pressure balance, including ash conveying pipeline, valve body and case, the case slidable sets up in the cavity of valve body, seted up the gas inlet on the left side wall of valve body, seted up the gas outlet on the right side wall of valve body, set up on the case with the gas inlet and the gas outlet complex air channel, the upper end of case is provided with the spring; a detection channel is formed in the bottom of the valve body, the lower end of the detection channel is communicated with the ash conveying pipeline, and the upper end of the detection channel is communicated with the bottom of the cavity of the valve body; the gas inlet is communicated with a gas supplementing pipe, and the gas outlet is connected with the detection channel through a connecting pipe;
when the ash conveying pipeline is blocked, the pressure in the detection channel is increased, the valve core overcomes the pressure of the spring to move upwards, and the gas inlet is communicated with the gas outlet through the vent groove of the valve core; when the blockage of the ash conveying pipeline is eliminated, the pressure in the detection channel is reduced, the valve core moves downwards under the pressure action of the spring, and the gas inlet and the gas outlet are blocked.
Furthermore, the upper surface of the valve core is provided with a spring groove matched with the spring, and the upper end of the spring is matched with the upper cover of the valve body.
Furthermore, a valve core limiting ring matched with the upper end of the valve core is arranged in the cavity of the valve body, and a buffer chamber is arranged between the upper end of the valve core limiting ring and the upper cover of the valve body.
Furthermore, a plurality of valve bodies are arranged on the ash conveying pipeline, the air supply pipe is sequentially connected with the gas inlets of the valve bodies, and a one-way air valve is arranged in the air supply pipe between every two adjacent gas inlets.
Furthermore, the detection channels of the adjacent valve bodies are communicated through a vent pipe, and a pressure valve is arranged in the vent pipe.
Furthermore, an air outlet is formed in the upper cover of the valve body.
Further, the vent groove is a groove arranged around the valve core 2 or a through hole penetrating through the valve core 2.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the valve body and the valve core of the material conveying device based on pressure balance have simple structures, the valve core can move when the pressure in the ash conveying pipeline is increased, the gas inlet and the gas outlet are communicated, the reliability is strong, and the manufacturing cost is low; the utility model discloses material conveyor based on pressure balance can start adjacent case action when the defeated grey pipeline of unable mediation is moved to case through setting up breather pipe and pressure valve between several detection channel, has avoided opening all case actions simultaneously, extravagant gas resource. Generally speaking, the utility model discloses material conveyor based on pressure balance simple structure, the good reliability, the cost is low, can open the case according to the change of defeated grey pipeline internal pressure is automatic, makes compressed air enter into defeated grey pipeline in, high-efficient solar terms.
Drawings
The invention will be further explained with reference to the following description of the drawings:
fig. 1 is a schematic structural diagram (state one) of the material conveying device based on pressure balance;
fig. 2 is the structural schematic diagram (state two) of the material conveying device based on pressure balance.
Description of reference numerals: 1. a valve body; 2. a valve core; 3. a spring; 4. a detection channel; 5. a gas inlet; 6. a gas outlet; 7. a connecting pipe; 8. a vent channel; 9. a spring slot; 10. a buffer chamber; 11. an exhaust port; 12. a valve core limiting ring; 13. air supplying pipe; 14. a one-way air valve; 15. a breather pipe; 16. a pressure valve; 101. an ash conveying pipeline.
Detailed Description
As shown in fig. 1 and 2, the material conveying device based on pressure balance comprises an ash conveying pipeline 101, a valve body 1 and a valve core 2.
The valve core 2 is slidably arranged in the cavity of the valve body 1, a gas inlet 5 is formed in the left side wall of the valve body 1, a gas outlet 6 is formed in the right side wall of the valve body 1, and a vent groove 8 matched with the gas inlet 5 and the gas outlet 6 is formed in the valve core 2. The vent groove 8 adopts a groove arranged around the valve core 2 or a through hole penetrating through the valve core 2.
The upper end of the valve core 2 is provided with a spring 3, the spring 3 is coaxial with the valve core 2, the upper surface of the valve core 2 is provided with a spring groove 9 matched with the spring 3, and the upper end of the spring 9 is matched with the upper cover of the valve body 1. Spring 3 can be accomodate to spring groove 9, makes valve body 1 structure compacter on the one hand, and spring 3 can not occupy bigger space, and spring groove 9 also can be for spring 3's flexible track that provides, makes it be difficult for appearing the distortion simultaneously, lifting means reliability and life.
The bottom of the valve body 1 is provided with a detection channel 4, the lower end of the detection channel 4 is communicated with the ash conveying pipeline 101, and the upper end of the detection channel 4 is communicated with the bottom of the cavity of the valve body 1. The gas inlet 5 is communicated with a gas supplementing pipe 13, and the gas outlet 6 is connected with the detection channel 4 through a connecting pipe 7. The air supply pipe 13 is filled with high-pressure air. The gas flow direction in detection passageway 4 and defeated grey pipeline 101 is 45 contained angles (can adjust according to actual conditions), and high-pressure gas in the air supplement pipe 13 can get into with same angle when getting into defeated grey pipeline 101 from detection passageway 4, increases the power of gas in defeated grey pipeline 101 axial direction, improves the efficiency of gas dredging pipeline.
A valve core limiting ring 12 matched with the upper end of the valve core 2 is arranged in the cavity of the valve body 1, and a buffer chamber 10 is arranged between the upper end of the valve core limiting ring 12 and the upper cover of the valve body 1. The upper cover of the valve body 1 is provided with an exhaust port 11 to prevent the air pressure at the end of the spring 3 from influencing the action of the valve core 2. The spool stopper ring 12 can prevent the spring 3 from being excessively compressed to damage the spring 3, and can improve the life of the spring.
When the ash conveying pipeline 101 is blocked, the pressure in the detection channel 4 rises, the valve core 2 moves upwards against the pressure of the spring 3, and the gas inlet 5 and the gas outlet 6 are communicated through the vent groove 8 of the valve core 2; when the blockage of the ash conveying pipeline 101 is eliminated, the pressure in the detection channel 4 is reduced, the valve core 2 moves downwards under the pressure of the spring 3, and the gas inlet 5 and the gas outlet 6 are blocked.
The ash conveying pipeline 101 is provided with a plurality of valve bodies 1, the air supplementing pipe 13 is sequentially connected with the air inlets 5 of the valve bodies 1, and one-way air valves 14 are arranged in the air supplementing pipe 13 between the adjacent air inlets 5.
The detection channels 4 of the adjacent valve bodies 1 are communicated through a vent pipe 15, and a pressure valve 16 is arranged in the vent pipe 15.
The action process of the utility model is as follows:
as shown in fig. 1, the ash conveying pipe 101 is not blocked, the pressure in the ash conveying pipe 101 is low, the pressure in the detection channel 4 is lower than the pressure of the spring 3, and the valve core 2 is positioned at the lower end of the valve body 1;
when the ash conveying pipeline 101 is blocked, the pressure in the detection channel 4 rises, the valve core 2 overcomes the pressure of the spring 3 and moves upwards as shown in figure 2, the gas inlet 5 is communicated with the gas outlet 6 through the vent groove 8 of the valve core 2, and high-pressure gas in the air supplementing pipe 13 enters the ash conveying pipeline 101 through the connecting pipe 7 and the detection channel 4 to dredge the blockage;
when the blockage of the ash conveying pipeline 101 is eliminated, the pressure in the detection channel 4 is reduced, the valve core 2 moves downwards under the pressure of the spring 3 as shown in figure 1, and the gas inlet 5 and the gas outlet 6 are blocked.
When one valve core 2 is started and the dredging operation cannot be completed, the pressure in the detection channel 4 continuously rises, the pressure valve 16 is triggered in the vent pipe 15, then the pressure of the detection channel of the valve core 2 adjacent to the front and the back of the valve core 2 is in the same pressure state through the vent pipe 15, the triggering of the valve core 2 adjacent to the front and the back is completed, and the dredging operation is completed together.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. The utility model provides a material conveyor based on pressure balance which characterized in that: the dust removing valve comprises a dust conveying pipeline (101), a valve body (1) and a valve core (2), wherein the valve core (2) is slidably arranged in a cavity of the valve body (1), a gas inlet (5) is formed in the left side wall of the valve body (1), a gas outlet (6) is formed in the right side wall of the valve body (1), a vent groove (8) matched with the gas inlet (5) and the gas outlet (6) is formed in the valve core (2), and a spring (3) is arranged at the upper end of the valve core (2); a detection channel (4) is formed in the bottom of the valve body (1), the lower end of the detection channel (4) is communicated with the ash conveying pipeline (101), and the upper end of the detection channel (4) is communicated with the bottom of the cavity of the valve body (1); the gas inlet (5) is communicated with a gas supplementing pipe (13), and the gas outlet (6) is connected with the detection channel (4) through a connecting pipe (7);
when the ash conveying pipeline (101) is blocked, the pressure in the detection channel (4) rises, the valve core (2) overcomes the pressure of the spring (3) to move upwards, and the gas inlet (5) is communicated with the gas outlet (6) through the vent groove (8) of the valve core (2); when the blockage of the ash conveying pipeline (101) is eliminated, the pressure in the detection channel (4) is reduced, the valve core (2) moves downwards under the pressure action of the spring (3), and the gas inlet (5) and the gas outlet (6) are blocked.
2. The pressure equalization based material transfer device of claim 1, wherein: the upper surface of the valve core (2) is provided with a spring groove (9) matched with the spring (3), and the upper end of the spring (3) is matched with the upper cover of the valve body (1).
3. The pressure equalization based material transfer device of claim 1, wherein: a valve core limiting ring (12) matched with the upper end of the valve core (2) is arranged in the cavity of the valve body (1), and a buffer chamber (10) is arranged between the upper end of the valve core limiting ring (12) and the upper cover of the valve body (1).
4. The pressure equalization based material transfer device of claim 1, wherein: the ash conveying pipeline (101) is provided with a plurality of valve bodies (1), the air supplementing pipe (13) is sequentially connected with the air inlets (5) of the valve bodies (1), and one-way air valves (14) are arranged in the air supplementing pipe (13) between the adjacent air inlets (5).
5. The pressure equalization based material transfer device of claim 4, wherein: the detection channels (4) of the adjacent valve bodies (1) are communicated through a vent pipe (15), and a pressure valve (16) is arranged in the vent pipe (15).
6. The pressure equalization based material transfer device of claim 2 or 3, wherein: the upper cover of the valve body (1) is provided with an exhaust port (11).
7. The pressure equalization based material transfer device of claim 1, wherein: the vent groove (8) adopts a groove arranged around the valve core (2) or a through hole penetrating through the valve core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220574946.9U CN217050691U (en) | 2022-03-16 | 2022-03-16 | Material conveying device based on pressure balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220574946.9U CN217050691U (en) | 2022-03-16 | 2022-03-16 | Material conveying device based on pressure balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217050691U true CN217050691U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220574946.9U Active CN217050691U (en) | 2022-03-16 | 2022-03-16 | Material conveying device based on pressure balance |
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| Country | Link |
|---|---|
| CN (1) | CN217050691U (en) |
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2022
- 2022-03-16 CN CN202220574946.9U patent/CN217050691U/en active Active
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