CN110510414B - Circulation pulsation distribution valve and pipeline pulsation pneumatic conveying system - Google Patents
Circulation pulsation distribution valve and pipeline pulsation pneumatic conveying system Download PDFInfo
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- CN110510414B CN110510414B CN201910806376.4A CN201910806376A CN110510414B CN 110510414 B CN110510414 B CN 110510414B CN 201910806376 A CN201910806376 A CN 201910806376A CN 110510414 B CN110510414 B CN 110510414B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
- B65G53/4608—Turnable elements, e.g. rotary wheels with pockets or passages for material
- B65G53/4616—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning parallel to flow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a circulating pulsation distribution valve and a pipeline pulsation pneumatic conveying system, and relates to the field of pneumatic conveying.
Description
Technical Field
The invention relates to the field of pneumatic transmission, in particular to a circulating pulsation distribution valve and a pipeline pulsation pneumatic transmission system.
Background
At present, for conveying light materials, mechanical conveying modes such as pipeline pneumatic conveying, spiral conveying, hopper conveying, vibration conveying and the like are mainly adopted. For light powdery or flocculent materials, a pipeline pneumatic conveying mode is generally adopted, and the pneumatic conveying has the advantages that: the pipeline configuration is flexible, so that the production process flow of a factory is more reasonable; the conveying system is completely closed, the dust is less flying, and the environmental protection requirement can be realized; the bulk conveying efficiency is high, and the packaging and transportation cost is reduced; can avoid the transported materials from being affected with damp, stained and mixed with other sundries, and ensures the transport quality. However, materials which are easy to bond and handover among particles are provided, one air source machine is adopted to provide power due to pneumatic conveying, wind speed in the whole pipeline system is uneven, flexible adjustment is not easy, and meanwhile, because the pipeline length is too large compared with the pipe diameter, in the material conveying process, pressure loss in the pipeline is accumulated continuously, so that the materials are blocked in the pipeline, and conveying efficiency is seriously influenced. Meanwhile, for the blockage of the light materials, if the air pressure and the air flow are only increased, the materials are scattered and collided too violently, the breakage rate is increased, and the conveying quality is influenced. Therefore, it is necessary to develop a device capable of effectively reducing the phenomena of pipe blockage and breakage of the light materials during the conveying process.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a cyclic pulsation distribution valve and a pipeline pulsation pneumatic transmission system, so as to effectively reduce the phenomena of pipe blockage and damage of light materials during the transmission process.
In order to achieve the purpose, the invention provides the following scheme:
the present invention provides a cyclic pulsation distribution valve, comprising: the valve comprises a valve body, wherein an installation cavity penetrating through a first end of the valve body is arranged in the valve body, a first installation through hole coaxial with and communicated with the installation cavity is arranged at a second end of the valve body, and a plurality of air outlet channels communicated with the installation cavity are arranged on the side wall of the valve body along the axial direction of the valve body; the valve element comprises a valve rod and two annular shaft shoulders arranged along the axial direction of the valve rod, each annular shaft shoulder is arranged along the circumferential direction of the valve rod, an annular groove is formed in the circumferential side wall of each annular shaft shoulder, the first end of the valve rod sequentially penetrates through the mounting cavity and the first mounting through hole to extend out, the valve rod can slide along the axis direction of the valve rod, the annular shaft shoulders can be slidably mounted in the mounting cavity, an air inlet channel penetrating through the first end of the valve rod is arranged in the valve rod, and an air outlet hole communicated with the air inlet channel is formed in the side wall of the valve rod between the two annular shaft shoulders; the first sealing ring is arranged in each annular groove, and the outer side wall of each first sealing ring is attached to the inner side wall of the corresponding mounting cavity to seal; the spring is sleeved on the valve rod, the first end of the spring abuts against the annular shaft shoulder close to the first end of the valve rod, and the second end of the spring abuts against one end, close to the first mounting through hole, of the mounting cavity.
Further, the first end of valve rod be provided with the crossover sub of inlet channel intercommunication, crossover sub is used for being connected with the air compressor machine, just crossover sub with the one end diameter that the valve rod is connected equals valve rod diameter, other end diameter is greater than the valve rod diameter.
Furthermore, a second sealing ring is arranged on the outer side wall of one end, connected with the valve rod, of the conversion joint, and the conversion joint is detachably connected with the first end of the valve rod.
Further, the second end of valve rod is provided with the press head, and the press head with the one end diameter that the valve rod is connected is equal to the valve rod diameter, other end diameter is greater than the valve rod diameter.
Furthermore, the pressing head is detachably connected with the second end of the valve rod.
Further, the first end of valve body is provided with and is used for sealing the end cover of installation cavity, be provided with on the end cover with the installation cavity with the coaxial second installation through-hole that sets up of first installation through-hole, just the diameter of second installation through-hole equals the diameter of valve rod is so that the first end of valve rod can pass the second installation through-hole gets into in the installation cavity.
Further, the end cover is detachably connected with the first end of the valve body.
The invention also provides a pipeline pulsating pneumatic conveying system which comprises a material conveying pipeline, a plurality of air amplifiers and the circulating pulsating distribution valve, wherein the plurality of air diffusers are uniformly arranged along the axial direction of the material conveying pipeline, each air amplifier is communicated with the material conveying pipeline, and the air outlet channels are in one-to-one correspondence and are communicated with the air amplifiers.
Further, the pipeline pulsation pneumatic conveying system also comprises air conveying pipes, one air outlet channel is communicated with one air amplifier through one air conveying pipe, and the number of the air outlet channel and the number of the air amplifiers are 4.
Compared with the prior art, the invention has the following technical effects:
the circulation pulsation distribution valve provided by the invention is provided with the plurality of air outlet channels, the plurality of air outlet channels are respectively communicated with different positions of the material conveying pipeline in a specific use process, the material conveying pipeline realizes multi-air source and multi-position air supply, the blocking rate of the material conveying pipeline is effectively reduced, the valve core of the circulation pulsation distribution valve slides, the air outlet holes of the valve rod are communicated with different air outlet channels, and in a specific use process, the air outlet holes can be communicated with the air outlet channels according to a specific sequence according to the characteristics of conveying light materials, so that the light materials are prevented from being damaged in the conveying process, and the conveying quality of the light materials is greatly improved.
The pipeline pulsating pneumatic conveying system provided by the invention comprises the circulating pulsating distribution valve, so that the pipeline pulsating pneumatic conveying system can also reduce the blocking rate of a material conveying pipeline and improve the material conveying quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a cyclic pulse dispensing valve provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a valve cartridge provided in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a valve body provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pipeline pulsating pneumatic conveying system provided in an embodiment of the present invention.
Description of reference numerals:
the device comprises a pulsation distribution valve-1, a pressing head-101, a valve rod-102, an air inlet channel-1021, an air outlet hole-1022, an end cover-103, a valve body-104, an air outlet channel-1041, a first mounting through hole-1042, a spring-105, a conversion joint-106, a second sealing ring-107, a first sealing ring-108, a bolt-109, an annular shaft shoulder-1010, an air pipe-2, a material conveying pipeline-3 and an air amplifier-4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a circulating pulsation distribution valve and a pipeline pulsation pneumatic conveying system which can effectively reduce the phenomena of pipe blockage and damage of light materials in the conveying process.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 3, the present embodiment provides a cyclic pulsation dispensing valve 1, including: the valve body 104, an installation cavity penetrating through the first end of the valve body 104 is arranged inside the valve body 104, a first installation through hole 1042 coaxial and communicated with the installation cavity is arranged at the second end of the valve body 104, and a plurality of air outlet channels 1041 communicated with the installation cavity are arranged on the side wall of the valve body 104 along the axial direction of the valve body 104; the valve core comprises a valve rod 102 and two annular shoulders 1010 arranged along the axial direction of the valve rod 102, each annular shoulder 1010 is arranged along the circumferential direction of the valve rod 102, an annular groove is formed in the circumferential side wall of each annular shoulder 1010, the first end of the valve rod 102 sequentially penetrates through a mounting cavity and a first mounting through hole 1042 to extend out, the valve rod 102 can slide along the axis direction of the valve rod 102, the annular shoulders 1010 are slidably mounted in the mounting cavity, an air inlet channel 1021 penetrating through the first end of the valve rod 102 is arranged in the valve rod 102, and an air outlet 1022 communicated with the air inlet channel 1021 is formed in the side wall of the valve rod 102 between the two annular shoulders 1010; the first sealing rings 108 are arranged in the annular grooves, and the outer side walls of the first sealing rings 108 are attached to the inner side walls of the mounting cavity for sealing; the spring 105 is sleeved on the valve rod 102, a first end of the spring 105 abuts against the annular shoulder 1010 close to the first end of the valve rod 102, and a second end of the spring 105 abuts against one end of the mounting cavity close to the first mounting through hole 1042. Specifically, the length of the intake passage 1021 is three-quarters of the length of the valve stem 102; the valve body 104 is a cuboid valve body; when placed as shown in fig. 1, the valve body 104 has a first end on the left side, a second end on the right side, a first end on the right side, and a second end on the left side of the valve stem 102.
In the concrete use, a plurality of air outlet channels 1041 are respectively communicated with different positions of the material conveying pipeline 3, the material conveying pipeline 3 realizes multi-air source and multi-position air supply, the blocking rate of the material conveying pipeline 3 is effectively reduced, and in the concrete use, the sliding valve core enables the air outlet holes 1022 to be communicated with the air outlet channels 1041 according to a specific sequence according to the characteristic of conveying light materials, so that the light materials are prevented from being damaged in the conveying process, and the conveying quality of the light materials is high. The circulation pulsation distribution valve 1 can effectively reduce the phenomena of pipe blockage and damage of light materials in the conveying process.
In this embodiment, the first end of the valve rod 102 is provided with a switching joint 106 communicated with the air inlet passage 1021, and the switching joint 106 is used for connecting with an air compressor. By providing the adapter 106, the valve stem 102 can be easily and quickly connected to the air compressor.
In this embodiment, the second end of the valve stem 102 is provided with a pressing head 101. During the specific use process, the valve rod 102 can be pushed to move by pressing the pressing head 101.
In this embodiment, the diameter of the end of the adapter 106 connected to the valve stem 102 is equal to the diameter of the valve stem 102, and the diameter of the other end is greater than the diameter of the valve stem 102, and the diameter of the end of the pressing head 101 connected to the valve stem 102 is equal to the diameter of the valve stem 102, and the diameter of the other end is greater than the diameter of the valve stem 102. With the arrangement, the axial displacement of the valve rod 102 is limited, and the situation that the valve rod 102 is separated from the valve body 104 is effectively avoided.
In this embodiment, the first end of the valve body 104 is provided with an end cap 103 for sealing the installation cavity, the end cap 103 is provided with a second installation through hole coaxially arranged with the installation cavity and the first installation through hole 1042, a diameter of the second installation through hole is equal to a diameter of the valve rod 102 so that the first end of the valve rod 102 can pass through the second installation through hole to enter the installation cavity, and an outer side wall of one end of the adapter 106 connected with the valve rod 102 is provided with a second sealing ring 107. The end cover 103 and the second sealing ring 107 are arranged to effectively prevent external impurities from entering the valve body 104, and meanwhile, the end cover 103 is arranged to effectively prevent the valve rod 102 from being eccentric.
In this embodiment, the adapter 106 is detachably connected to a first end of the valve stem 102, the pressing head 101 is detachably connected to a second end of the valve stem 102, and the cap 103 is detachably connected to a first end of the valve body 104. So set up, device easy dismounting. Specifically, a first end of the valve rod 102 is in threaded connection with the adapter 106, and a second end of the valve rod 102 is in threaded connection with the pressing head 101; the end cap 103 is connected to the valve body 104 by bolts 109.
As shown in fig. 4, the embodiment further provides a pipeline pulsation pneumatic conveying system, which includes a material conveying pipeline 3, a plurality of air amplifiers 4 and a circulation pulsation distribution valve 1, wherein the plurality of air diffusers are uniformly arranged along the axial direction of the material conveying pipeline 3, each air amplifier 4 is communicated with the material conveying pipeline 3, and the air outlet channels 1041 are in one-to-one correspondence and communication with the air amplifiers 4.
In this embodiment, the pipeline pulsating pneumatic transmission system further includes air pipes 2, one air outlet passage 1041 is communicated with one air amplifier 4 through one air pipe 2, and the number of the air outlet passage 1041 and the number of the air amplifiers 4 are 4.
In a specific working process, the adapter 106 is connected with an air compressor, the air compressor inputs continuous air flow to the pulsation distribution valve 1, the continuous air flow enters the air inlet channel 1021 of the valve rod 102, acting force is applied at the position of the pressing head 101, the valve rod 102 is pushed forward under the acting force, the air outlet holes 1022 of the valve rod 102 sequentially pass through the four air outlet channels 1041 of the valve body 104, the air flow sequentially enters the air outlet channels 1041 of the valve body 104 through the air inlet channel 1021 and the air outlet holes 1022 of the valve rod 102, thus the four air outlet channels 1041 of the valve body 104 output sequential intermittent pulsating air flow, and the pulsating air flow is conveyed into the material conveying pipeline 3 through the corresponding air amplifier 4 to drive the light material arranged in the material conveying pipeline 3 to move. After the pressing head 101 is unloaded, the valve core can automatically reset under the action of the spring 105. The pipeline pulsation pneumatic conveying system can flexibly adjust the pneumatic driving state of the material conveying pipeline 3, thereby adapting to the application requirements of the light material conveying system.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A cyclical pulsing dispensing valve comprising:
the valve comprises a valve body, wherein an installation cavity penetrating through a first end of the valve body is arranged in the valve body, a first installation through hole coaxial with and communicated with the installation cavity is arranged at a second end of the valve body, and a plurality of air outlet channels communicated with the installation cavity are arranged on the side wall of the valve body along the axial direction of the valve body;
the valve element comprises a valve rod and two annular shaft shoulders arranged along the axial direction of the valve rod, each annular shaft shoulder is arranged along the circumferential direction of the valve rod, an annular groove is formed in the circumferential side wall of each annular shaft shoulder, the first end of the valve rod sequentially penetrates through the mounting cavity and the first mounting through hole to extend out, the valve rod can slide along the axis direction of the valve rod, the annular shaft shoulders can be slidably mounted in the mounting cavity, an air inlet channel penetrating through the first end of the valve rod is arranged in the valve rod, and an air outlet hole communicated with the air inlet channel is formed in the side wall of the valve rod between the two annular shaft shoulders;
the first sealing ring is arranged in each annular groove, and the outer side wall of each first sealing ring is attached to the inner side wall of the corresponding mounting cavity to seal;
the spring is sleeved on the valve rod, the first end of the spring abuts against the annular shaft shoulder close to the first end of the valve rod, and the second end of the spring abuts against one end, close to the first mounting through hole, of the mounting cavity.
2. The cyclic pulse distribution valve of claim 1, wherein the first end of the valve stem is provided with a crossover joint in communication with the air inlet passage, the crossover joint is used for connection with an air compressor, and the diameter of one end of the crossover joint connected with the valve stem is equal to the diameter of the valve stem, and the diameter of the other end of the crossover joint is larger than the diameter of the valve stem.
3. The cyclical pulse dispensing valve of claim 2 wherein the second seal is disposed on an outer sidewall of an end of the adapter connected to the valve stem, the adapter being removably connected to the first end of the valve stem.
4. The cyclic pulse dispensing valve of claim 1, wherein the second end of the valve stem is provided with a pressing head, and the diameter of one end of the pressing head connected with the valve stem is equal to the diameter of the valve stem, and the diameter of the other end of the pressing head is larger than the diameter of the valve stem.
5. The cyclical pulse dispensing valve of claim 4 wherein the pressing head is removably coupled to the second end of the valve stem.
6. The cyclical pulse distributing valve according to claim 1, wherein the first end of the valve body is provided with an end cap for closing the mounting cavity, the end cap is provided with a second mounting through hole coaxially arranged with the mounting cavity and the first mounting through hole, and the diameter of the second mounting through hole is equal to the diameter of the valve rod so that the first end of the valve rod can pass through the second mounting through hole into the mounting cavity.
7. The cyclical pulse dispensing valve of claim 6 wherein the end cap is removably coupled to the first end of the valve body.
8. A pipeline pulsating air conveying system, comprising a material conveying pipeline, a plurality of air amplifiers and the circulating pulsating distribution valve as claimed in any one of claims 1 to 7, wherein a plurality of air dischargers are uniformly arranged along the axial direction of the material conveying pipeline, each air amplifier is communicated with the material conveying pipeline, and the air outlet channels are in one-to-one correspondence and communication with the air amplifiers.
9. The pipe pulsating pneumatic conveying system of claim 8, further comprising air pipes, wherein one of the air outlet channels is communicated with one of the air amplifiers through one of the air pipes, and the number of the air outlet channels and the number of the air amplifiers are 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910806376.4A CN110510414B (en) | 2019-08-29 | 2019-08-29 | Circulation pulsation distribution valve and pipeline pulsation pneumatic conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910806376.4A CN110510414B (en) | 2019-08-29 | 2019-08-29 | Circulation pulsation distribution valve and pipeline pulsation pneumatic conveying system |
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| Publication Number | Publication Date |
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| CN110510414A CN110510414A (en) | 2019-11-29 |
| CN110510414B true CN110510414B (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910806376.4A Active CN110510414B (en) | 2019-08-29 | 2019-08-29 | Circulation pulsation distribution valve and pipeline pulsation pneumatic conveying system |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3906774C2 (en) * | 1989-01-27 | 1995-08-03 | Klein Alb Gmbh Co Kg | Pressure relief valve for closing and opening pipes |
| CN101225897B (en) * | 2007-01-20 | 2011-09-28 | 马莉 | Aid blowing valve for pneumatic conveyance capable of opening and closing automatically |
| CN202132300U (en) * | 2011-07-15 | 2012-02-01 | 朱国胜 | Electrically controlled screw-in cartridge bidirectional pressure compensation flow valve |
| CN203532811U (en) * | 2013-09-25 | 2014-04-09 | 苏州华恒医用器械有限公司 | Medical gas switch |
| CN206347163U (en) * | 2016-12-29 | 2017-07-21 | 浙江科力车辆控制系统有限公司 | Spring loaded safety valve |
| CN109899593A (en) * | 2017-12-07 | 2019-06-18 | 宋书中 | A kind of cryogenic insulated cylinder safety valve solar term seat |
| CN108715348A (en) * | 2018-08-03 | 2018-10-30 | 浙江固特气动科技股份有限公司 | A kind of control system and application method for air-transport system double valve plates gate valve |
| CN108980413B (en) * | 2018-08-23 | 2019-07-26 | 燕山大学 | A kind of pulsation distributing valve and pipeline are pulsed air-transport system |
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2019
- 2019-08-29 CN CN201910806376.4A patent/CN110510414B/en active Active
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