CN213451866U - Pipeline reversing valve with function of preventing material residue - Google Patents
Pipeline reversing valve with function of preventing material residue Download PDFInfo
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- CN213451866U CN213451866U CN202022052077.7U CN202022052077U CN213451866U CN 213451866 U CN213451866 U CN 213451866U CN 202022052077 U CN202022052077 U CN 202022052077U CN 213451866 U CN213451866 U CN 213451866U
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Abstract
The utility model discloses a pipeline reversing valve with the function of preventing material residue, which comprises a valve body, a valve and a valve cleaning device, wherein the valve body is provided with a valve port, and the valve is arranged on the valve port and used for opening or closing the valve port; the valve cleaning device is used for being communicated with the inside of the valve body and driving materials in one valve of the valves to flow towards the valve body, so that the materials can be conveyed into the other valve of the valves. The utility model discloses be favorable to making in the valve body no material remain or leak, can satisfy and require the zero remaining technology of material to produce the line demand.
Description
Technical Field
The utility model relates to a switching-over valve especially relates to a pipeline switching-over valve with prevent that material from remaining function.
Background
In a powder material pneumatic conveying pipeline system, pipeline reversing is one of basic demand functions. The pipeline reversing valve in the market at present has two forms, one is a rotary reversing valve, and the valve has the advantages of compact structure, no residual material in the reversing valve and the pipe, and the like, but has the defects of large sealing contact area, easy leakage, low wear resistance and limited application range during reversing operation. The other is a three-way type pipeline reversing valve, namely two valves are arranged on a three-way to achieve the function of pipeline reversing. The valve is low in cost and easy to maintain, but dead space exists between the valve and the tee joint, and materials are easy to remain, so that the quality of conveyed materials is influenced, and the requirement of a process production line requiring zero material residue cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model aims to provide a pipeline switching-over valve with prevent that the material from remaining the function is favorable to making in the valve body no material remain or leak, can satisfy and require the zero remaining technology of material to produce the line demand.
The purpose of the utility model is realized by adopting the following technical scheme:
a pipeline reversing valve with a material residue preventing function comprises a valve body, a valve and a valve cleaning device, wherein a valve port is arranged on the valve body, and the valve is arranged on the valve port and used for opening or closing the valve port; the valve cleaning device is used for being communicated with the interior of the valve body and driving the material in one valve of the valves to flow towards the valve body, so that the material can be conveyed into the other valve of the valves.
Further, the valve cleaning device is used for introducing compressed air into the valve.
Furthermore, the valve cleaning device comprises a blowing nozzle, the blowing nozzle is obliquely arranged relative to the valve body, and the air outlet end of the blowing nozzle is positioned at one end, close to the valve, of the valve body.
Further, an included angle is formed between the blowing nozzle and the valve body, and the degree a of the included angle satisfies the relation: a is more than 0 and less than or equal to 85 degrees.
Further, the degree a of the included angle satisfies the relation: a is more than or equal to 15 degrees and less than or equal to 85 degrees.
Further, the degree a of the included angle satisfies the relation: a is more than or equal to 25 degrees and less than or equal to 75 degrees.
Further, the degree a of the included angle satisfies the relation: a is more than or equal to 30 degrees and less than or equal to 60 degrees.
Further, the degree a of the included angle satisfies the relation: a is more than or equal to 45 degrees and less than or equal to 55 degrees.
Furthermore, the valve cleaning device also comprises an electromagnetic valve, a one-way valve and a Y-shaped filter, wherein the electromagnetic valve is connected with the blowing nozzle and used for limiting compressed air from entering the blowing nozzle; the check valve is arranged on the blowing nozzle, and the Y-shaped filter is arranged at the valve port of the check valve and used for preventing materials from entering the electromagnetic valve in a back blowing mode.
Furthermore, the valve body comprises a main pipeline and two branch pipelines which are communicated with each other, the valve ports are respectively positioned on the two branch pipelines, and the valve cleaning device is used for being communicated with the insides of the branch pipelines.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a valve body, valve and valve cleaning device can realize the switching-over function of conveying pipeline to the material is effectively carried. Meanwhile, the cleaning device for the valve is used for cleaning and blowing the materials in the valve, so that the valve and the valve body are favorably ensured to have no material residue or material leakage, and the requirement of a process production line requiring zero material residue can be met.
Drawings
Fig. 1 is a schematic structural diagram of an angle of a pipeline reversing valve with a material residue prevention function in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another angle of the pipeline directional control valve with the function of preventing material residue according to the embodiment of the present invention;
in the figure: 1. a valve body; 2. a valve A; 3. a valve B; 4. a valve cleaning device; 5. and (4) a blowing nozzle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a pipeline reversing valve with a material residue preventing function, including a valve body 1, a valve and a valve cleaning device 4, wherein the valve body 1 is provided with a valve port, and the valve is arranged on the valve port and used for opening or closing the valve port; the valve cleaning device 4 is used for communicating with the inside of the valve body 1 and driving the material in one of the valves to flow towards the valve body 1, so that the material can be conveyed to the other valve.
Specifically, the valve cleaning device 4 is used for introducing compressed air into the interior of the valve.
It is worth mentioning that the valve body 1 is a three-way valve body, and comprises a main pipeline and two branch pipelines which are communicated with each other, the valve ports are respectively positioned on the two branch pipelines, and the valve cleaning device 4 is used for being communicated with the insides of the branch pipelines. Of course, the valve body 1 may be a four-way valve body or other structures, but is not limited thereto.
As a preferred embodiment in this embodiment, the valve cleaning device 4 includes a blowing nozzle 5, the blowing nozzle 5 is disposed obliquely with respect to the branch pipe, and the air outlet end of the blowing nozzle 5 is located at an end of the valve body 1 close to the valve.
It should be noted that an included angle is formed between the blowing nozzle 5 and the valve body 1, and the degree a of the included angle satisfies the relation: a is more than 0 and less than or equal to 85 degrees.
In a preferred embodiment, the degree a of the included angle satisfies the relation: a is more than or equal to 15 degrees and less than or equal to 85 degrees.
In a preferred embodiment, the degree a of the included angle satisfies the relation: a is more than or equal to 25 degrees and less than or equal to 75 degrees.
In a preferred embodiment, the degree a of the included angle satisfies the relation: a is more than or equal to 30 degrees and less than or equal to 60 degrees.
In a preferred embodiment, the degree a of the included angle satisfies the relation: a is more than or equal to 45 degrees and less than or equal to 55 degrees.
In addition, the number of the blowing nozzles 5 per branch duct may be two, arranged circumferentially around the branch duct.
In a more preferable embodiment, the valve cleaning device 4 further comprises an electromagnetic valve, a one-way valve and a Y-shaped filter, wherein the electromagnetic valve is connected with the blowing nozzle 5 and used for limiting compressed air from entering the blowing nozzle 5; the check valve is arranged on the blowing nozzle 5, and the Y-shaped filter is arranged at the valve port of the check valve and used for preventing materials from entering the electromagnetic valve in a back blowing mode.
In this embodiment, the electromagnetic valve is connected with the blowing nozzle 5 through the air supply device, wherein the blowing nozzle 5 is connected with the air supply device through the air pipe, the air supply device is used for providing an air source for the blowing nozzle 5, the electromagnetic valve is connected with the air supply device, and the opening or closing of the air supply device can be limited, so that compressed air can be limited from entering the valve.
In addition, the valve cleaning device 4 may further include a pressure regulating valve, which may be connected to the air pipe, so as to adjust the pressure intensity of the compressed air introduced into the blowing nozzle 5, i.e., the pressure intensity of the compressed air introduced into the valve.
In this embodiment, the material of valve body 1 and valve is inside lining ceramic, and inside lining ceramic has the high characteristics of wear resistance, is favorable to improving the performance of valve body 1 and valve. The valve is preferably a double-gate valve, and double-face sealing is realized, so that material leakage is prevented; the automatic control can be realized by adopting the cylinder drive; can be applied to materials such as powder, granules and the like.
In this embodiment, two branch pipes are provided with valve ports at ends thereof away from the main pipe, the two valve ports are respectively a port a and a port B, and correspondingly, the port a is correspondingly provided with a valve a2, and the port B is correspondingly provided with a valve B3. When the material conveying device is used, when the material is conveyed to the port A, the valve A2 of the port A is opened, the valve B3 of the port B is closed, and residual material exists at the connecting part of the valve B3 and the branch pipeline in the material conveying process. The direction of the blowing nozzles 5 is designed in a reverse direction, the blowing nozzles 5 face to the direction of the valve, the optimal blowing angle and the number of the blowing nozzles 5 can be calculated according to the material characteristics and the pipe diameter, and all dead angle spaces in the valve can be effectively cleaned. According to the process requirement, intermittent blowing can be achieved through PLC control, the electromagnetic valve is opened, compressed air is blown to dead corners in the branch pipelines through the blowing nozzles 5, materials and the compressed air flow towards the direction of the valve B3 along with the direction of the blowing nozzles 5, and the materials and the compressed air flow back to the three-way port of the valve body 1 through reflection and flow towards the port A along with the airflow of the main pipeline after being blocked by the valve plate of the valve B3. In the process, the materials in the dead corners in the valve B3 are blown, the compressed air carrying the materials is blocked by the valve plate of the valve B3 to rebound and then flows to the port A, and the air flow carrying the materials blows the residues in the port B into the port A together. After multiple times of blowing, no residual material exists in the opening B and the valve B3.
On the contrary, when the material is led to the port B, the port A is also blown in the same cleaning way as the above, and finally, no residual material is left in the port A and the valve A2.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a pipeline switching-over valve with prevent that material from remaining function which characterized in that: the valve comprises a valve body, a valve and a valve cleaning device, wherein the valve body is provided with a valve port, and the valve is arranged on the valve port and used for opening or closing the valve port; the valve cleaning device is used for being communicated with the interior of the valve body and driving the material in one valve of the valves to flow towards the valve body, so that the material can be conveyed into the other valve of the valves.
2. The pipe reversing valve with the function of preventing the residual materials as claimed in claim 1, wherein: the valve cleaning device is used for introducing compressed air into the valve.
3. The pipe reversing valve with the function of preventing the residual materials as claimed in claim 2, wherein: the valve cleaning device comprises a blowing nozzle, the blowing nozzle is obliquely arranged relative to the valve body, and the air outlet end of the blowing nozzle is positioned at one end, close to the valve, of the valve body.
4. The pipe reversing valve with the function of preventing the material from remaining according to claim 3, wherein: an included angle is formed between the blowing nozzle and the valve body, and the degree a of the included angle satisfies the relation: a is more than 0 and less than or equal to 85 degrees.
5. The pipe reversing valve with the function of preventing the residual materials as claimed in claim 4, wherein: the degree a of the included angle satisfies the relation: a is more than or equal to 15 degrees and less than or equal to 85 degrees.
6. The pipe reversing valve with the function of preventing the residual materials as claimed in claim 5, wherein: the degree a of the included angle satisfies the relation: a is more than or equal to 25 degrees and less than or equal to 75 degrees.
7. The pipe reversing valve with the function of preventing the material from remaining according to claim 6, wherein: the degree a of the included angle satisfies the relation: a is more than or equal to 30 degrees and less than or equal to 60 degrees.
8. The pipe reversing valve with the function of preventing the material from remaining according to claim 7, wherein: the degree a of the included angle satisfies the relation: a is more than or equal to 45 degrees and less than or equal to 55 degrees.
9. The pipe reversing valve having a material residue preventing function according to any one of claims 3 to 8, wherein: the valve cleaning device also comprises an electromagnetic valve, a one-way valve and a Y-shaped filter, wherein the electromagnetic valve is connected with the blowing nozzle and used for limiting compressed air from entering the blowing nozzle; the check valve is arranged on the blowing nozzle, and the Y-shaped filter is arranged at the valve port of the check valve and used for preventing materials from entering the electromagnetic valve in a back blowing mode.
10. The pipe reversing valve with the function of preventing the residual materials as claimed in claim 1, wherein: the valve body comprises a main pipeline and two branch pipelines which are communicated with each other, the valve ports are respectively positioned on the two branch pipelines, and the valve cleaning device is used for being communicated with the insides of the branch pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022052077.7U CN213451866U (en) | 2020-09-17 | 2020-09-17 | Pipeline reversing valve with function of preventing material residue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022052077.7U CN213451866U (en) | 2020-09-17 | 2020-09-17 | Pipeline reversing valve with function of preventing material residue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451866U true CN213451866U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022052077.7U Active CN213451866U (en) | 2020-09-17 | 2020-09-17 | Pipeline reversing valve with function of preventing material residue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451866U (en) |
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2020
- 2020-09-17 CN CN202022052077.7U patent/CN213451866U/en active Active
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