CN217626365U - Raw material sand pneumatic conveying system - Google Patents
Raw material sand pneumatic conveying system Download PDFInfo
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- CN217626365U CN217626365U CN202221386885.XU CN202221386885U CN217626365U CN 217626365 U CN217626365 U CN 217626365U CN 202221386885 U CN202221386885 U CN 202221386885U CN 217626365 U CN217626365 U CN 217626365U
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Abstract
The utility model relates to a raw materials sand pneumatic conveying system mainly includes: the device comprises a sending tank, a three-way feed valve, a gas inlet and outlet control assembly, a material level detection assembly and a conveying pipeline assembly. The material level detection assembly is installed on the sending tank, the upper end of the sending tank is provided with a feed inlet, the feed inlet of the sending tank is provided with a three-way feed valve, the lower end of the sending tank is provided with a discharge outlet, the discharge outlet of the sending tank is connected with the conveying pipeline assembly, the gas inlet and outlet control assembly is installed at the upper end of the sending tank, when the three-way feed valve is in an opening state, the gas inlet and outlet control assembly is used for discharging gas in the sending tank, and when the three-way feed valve is in a closing state, the gas inlet and outlet control assembly is used for conveying compressed air into the sending tank. This application can realize the automatic centralized feed of raw materials sand, realizes equipment continuous production. When the system of this application is using, the whole transportation process of raw materials sand all realizes through the pipeline, consequently can avoid the raise dust pollution. And the whole system occupies small area.
Description
Technical Field
The utility model relates to a psammitolite field of making especially relates to raw materials sand pneumatic conveying system.
Background
Various particulate materials are used in the foundry industry, such as silica sand, baozite, chrome sand, and the like. Various granular materials sent by raw material manufacturers are generally ton bags, and the ton bags need to be disassembled and then conveyed to various sand using procedures. The conventional conveying device is a mechanical conveying device such as a bucket elevator, a belt conveyor and the like. The conveying equipment has the defects of large dust emission in workshops, insufficient conveying distance, large occupied space and the like.
SUMMERY OF THE UTILITY MODEL
Based on this, provide a raw materials sand pneumatic conveying system. The system has small occupied area, can carry the materials in a long distance, is closed in the whole process and is beneficial to protecting the environment.
A raw sand pneumatic conveying system comprising:
a sending tank, a three-way feed valve, a gas inlet and outlet control component, a material level detection component and a conveying pipeline component,
the material level detection assembly is installed on the sending tank, the upper end of the sending tank is provided with a feed inlet, the feed inlet of the sending tank is provided with a three-way feed valve, the lower end of the sending tank is provided with a discharge outlet, the discharge outlet of the sending tank is connected with the conveying pipeline assembly, the conveying pipeline assembly comprises a conveying main pipe and a conveying branch pipe, the conveying main pipe is connected with the conveying branch pipe through a three-way reversing valve, the conveying branch pipe is provided with a plurality of three-way distribution valves, each three-way distribution valve is connected with a discharge valve, and each discharge valve is connected with a sand silo. The gas inlet and outlet control assembly is installed at the upper end of the sending tank, when the three-way feed valve is in an open state, the gas inlet and outlet control assembly is used for discharging gas in the sending tank, and when the three-way feed valve is in a closed state, the gas inlet and outlet control assembly is used for conveying compressed air into the sending tank.
This application can be with sending the raw materials sand in the jar and carry the entering conveying line subassembly through the compressed air that gaseous business turn over control assembly carried, and then carry through the conveying line subassembly and get into each in with the sand device. This application can realize the automatic centralized feed of raw materials sand, realizes equipment continuous production. When the system of this application is using, the whole transportation process of raw materials sand all realizes through the pipeline, consequently can avoid the raise dust pollution. And the whole system occupies small area.
In one embodiment, the three-way feed valve comprises a feed three-way pipe, a feed butterfly valve, a feed cylinder and a first sealing element, the feed three-way pipe comprises a first pipeline, a second pipeline and a third pipeline, the second pipeline is located between the first pipeline and the third pipeline, the first pipeline is sealed through a sealing cover, the feed cylinder and the first sealing element are installed on the second pipeline, the first sealing element is connected with the feed cylinder, the first sealing element is used for sealing a feed port at the upper end of the sending tank, a feed port is formed in the upper end of the third pipeline, and the feed butterfly valve is installed on the third pipeline.
In one embodiment, the three-way feed valve comprises a feed three-way pipe, two feed butterfly valves, a feed cylinder and a first sealing element, the feed three-way pipe comprises a first pipeline, a second pipeline and a third pipeline, the second pipeline is located between the first pipeline and the third pipeline, a first feed inlet is formed in the upper end of the first pipeline, the first pipeline is provided with the feed butterfly valve, the second pipeline is provided with the feed cylinder and the first sealing element, the first sealing element is connected with the feed cylinder and is used for plugging a feed inlet in the upper end of the sending tank, the upper end of the third pipeline is provided with the second feed inlet, and the third pipeline is provided with the feed butterfly valve.
In one embodiment, the gas inlet and outlet control assembly comprises an air inlet pipe, a first control port is formed in the upper end inside the air inlet pipe, the first control port is communicated with the filtering and pressure regulating valve, an air inlet interface is connected to one end of the filtering and pressure regulating valve, a second control port is formed in the lower end inside the air inlet pipe, the second control port is connected with an exhaust part arranged below the air inlet pipe, the air inlet pipe is further communicated with an inner cavity of the sending tank, a sand sending cylinder is arranged at the upper end of the air inlet pipe, a second sealing part is arranged inside the air inlet pipe, the second sealing part is connected with the sand sending cylinder, when the second sealing part is located at the first control port, the first control port is blocked by the second sealing part, and when the second sealing part is located at the second control port, the second control port is blocked by the second sealing part.
In one embodiment, the exhaust member comprises an exhaust line with a sound attenuating structure.
In one embodiment, the discharge valve is a ball discharge valve.
In one embodiment, a pressure booster is further arranged on the main delivery pipe.
In one embodiment, the level sensing assembly comprises a high resistance rotary level indicator and a low resistance rotary level indicator.
Drawings
Fig. 1 is an internal structural view of a raw material sand pneumatic conveying system according to an embodiment of the present application.
Fig. 2 is a perspective view of a raw material sand pneumatic conveying system according to an embodiment of the present application.
Fig. 3 is a layout diagram of a delivery line assembly according to an embodiment of the present application.
Wherein: 110. a sending tank; 120. a three-way feed valve; 121. a first conduit; 122. a second conduit; 123. a third pipeline; 124. a feed butterfly valve; 125. a feed cylinder; 126. a first seal member; 130. a gas inlet and outlet control assembly; 131. an air inlet interface; 132. filtering the pressure regulating valve; 133. a sand sending cylinder; 134. an air inlet pipe; 135. an exhaust member; 140. a level detection assembly; 150. a delivery line assembly; 151. a main conveying pipe; 152. a delivery branch pipe; 153. a three-way reversing valve; 154. a three-way distribution valve; 155. a discharge valve; 156. a supercharger.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 3, an embodiment of the present application provides a raw sand pneumatic conveying system, including: a canister 110, a three-way feed valve 120, a gas access control assembly 130, a level detection assembly 140, and a transfer line assembly 150.
The material level detection assembly 140 is installed on the sending tank 110, the upper end of the sending tank 110 is provided with a feed inlet, the feed inlet of the sending tank 110 is provided with the three-way feed valve 120, the lower end of the sending tank 110 is provided with a discharge outlet, the discharge outlet of the sending tank 110 is connected with the conveying pipeline assembly 150, the conveying pipeline assembly 150 comprises a conveying main pipe 151 and a plurality of conveying branch pipes 152, the conveying main pipe 151 is connected with the conveying branch pipes 152 through three-way reversing valves 153, the conveying branch pipes 152 are provided with a plurality of three-way distribution valves 154, and each three-way distribution valve 154 is connected with a discharge valve 155.
The gas inlet and outlet control assembly 130 is installed at the upper end of the sending tank 110, when the three-way feed valve 120 is in an open state, the gas inlet and outlet control assembly 130 is used for discharging the gas in the sending tank 110, and when the three-way feed valve 120 is in a closed state, the gas inlet and outlet control assembly 130 is used for delivering the compressed air into the sending tank 110.
Specifically, the discharge valve 155 is a ball-shaped discharge valve 155. It will be appreciated that the discharge valve 155 may be other types of valves as long as the discharge can be controlled.
In one embodiment, a pressure intensifier 156 is further disposed on the main delivery pipe 151. Set up like this for the tonifying qi of long distance pipeline transportation and upwards drawing up among the transportation process, the manual work can carry out pressure adjustment simultaneously.
When the system of the present application is in use, the raw material sand can be transported into the sending tank 110 through the three-way feed valve 120, and during the transportation of the raw material sand, the gas in the sending tank 110 can be discharged through the gas inlet and outlet control assembly 130. When the raw material sand needs to be conveyed to the sand utilization equipment, the three-way feed valve 120 is closed, compressed air can be input into the sending tank 110 through the air inlet and outlet control assembly 130, the raw material sand in the sending tank 110 is conveyed into the conveying pipeline assembly 150 through the compressed air, then the raw material sand is conveyed to each conveying branch pipe 152 through the conveying main pipe 151, and the raw material sand in the conveying branch pipes 152 is supplied to each sand utilization equipment through the corresponding discharge valves 155.
In one embodiment, the three-way feed valve 120 includes a feed tee, a feed butterfly valve 124, a feed cylinder 125, and a first seal 126. The feeding three-way pipe comprises a first pipe 121, a second pipe 122 and a third pipe 123, the second pipe 122 is located between the first pipe 121 and the third pipe 123, the first pipe 121 is sealed through a sealing cover, the second pipe 122 is provided with a feeding cylinder 125 and a first sealing piece 126, the first sealing piece 126 is connected with the feeding cylinder 125, the first sealing piece 126 is used for sealing a feeding hole in the upper end of the sending tank 110, the upper end of the third pipe 123 is provided with a feeding hole, and the third pipe 123 is provided with a feeding butterfly valve 124.
Specifically, the first sealing member 126 may be a bell-type valve. The feed cylinder 125 in the initial position will cause the bell valve to close and the butterfly valve in the closed position, and the sand is not able to be fed into the sending tank 110. When the material level detecting component 140 detects that the material needs to be fed, that is, the material sand needs to be conveyed into the sending tank 110, the feeding butterfly valve 124 is opened, the feeding cylinder 125 extends out, the bell-type valve is driven to descend by the feeding cylinder 125, and then the feeding hole is opened, and the material sand can be conveyed into the sending tank 110 at the moment. When the level detecting assembly 140 detects that the raw material sand is not required to be conveyed, the raw material sand stops entering the sending tank 110, and the feeding butterfly valve is closed after the delay setting, so as to ensure that the three-way feeding valve 120 does not leak air.
In another embodiment, the three-way feeding valve 120 comprises a feeding three-way pipe, two feeding butterfly valves 124, a feeding cylinder 125 and a first sealing element 126, the feeding three-way pipe comprises a first pipe 121, a second pipe 122 and a third pipe 123, the second pipe 122 is located between the first pipe 121 and the third pipe 123, a first feeding port is arranged at the upper end of the first pipe 121, one feeding butterfly valve 124 is installed on the first pipe 121, the feeding cylinder 125 and the first sealing element 126 are installed on the second pipe 122, the first sealing element 126 is connected with the feeding cylinder 125, the first sealing element 126 is used for sealing off the feeding port at the upper end of the sending tank 110, a second feeding port is arranged at the upper end of the third pipe 123, and one feeding butterfly valve 124 is installed on the third pipe 123.
Above-mentioned setting like this, the sand silo of difference is carried respectively to two kinds of different materials to the first pipeline of accessible and third pipeline. For example, first pipeline is used for carrying first material, and when the feeding butterfly valve of first pipeline was opened, the feeding butterfly valve of third pipeline was closed, and first material can be carried and get into and send the jar, and then will send the first material in the jar to carry to corresponding sand silo. After the first material is conveyed, the feeding butterfly valve of the first pipeline is closed, the feeding butterfly valve of the third pipeline is opened, the second material is conveyed into the sending tank through the third pipeline, and then the second material in the sending tank is conveyed to the corresponding sand silo.
In one embodiment, the level sensing assembly 140 includes a high resistance rotary level indicator and a low resistance rotary level indicator.
In one embodiment, the gas inlet and outlet control assembly 130 includes an air inlet pipe 134, a first control port is formed at an upper end of an inner portion of the air inlet pipe 134, the first control port is communicated with a filtering and pressure regulating valve 132, an air inlet port 131 is connected to one end of the filtering and pressure regulating valve 132, a second control port is formed at a lower end of an inner portion of the air inlet pipe 134, the second control port is connected to an air exhaust member 135 arranged below the air inlet pipe 134, the air inlet pipe 134 is further communicated with an inner cavity of the canister 110, a sand generating cylinder 133 is arranged at an upper end of the air inlet pipe 134, a second sealing member is arranged inside the air inlet pipe 134, the second sealing member is connected to the sand generating cylinder 133, when the second sealing member is located at the first control port, the first control port is blocked by the second sealing member, and when the second sealing member is located at the second control port, the second control port is blocked by the second sealing member.
Specifically, the second sealing element may be a sealing ball, and sealing gaskets are disposed at the first control port and the second control port. The corresponding control port can be sealed by the contact of the sealing ball and the corresponding sealing gasket.
Specifically, compressed air may enter the canister 110 through the inlet port 131, the filtering and pressure regulating valve 132, and the inlet pipe 134. The filter pressure regulating valve 132 is used to regulate the hair sand pressure. The sand sending cylinder 133 is at an upper position at an initial position, and drives the sealing ball to be matched with the sealing gasket at the first control port, so that the first control port is sealed. Compressed air cannot enter the sending tank 110. At this point, vent 135 is opened and sand may be fed into the shooting pot 110. When the sand needs to be sent out, namely, the inner raw material sand of the sending tank 110 is conveyed to enter the conveying pipeline assembly 150, the sand sending cylinder 133 extends out, so that the sealing ball is driven to be matched with a sealing gasket at the position of the second control port below, the second control port can be sealed, and the first control port is opened. Compressed air can enter the sending tank 110 through the air inlet interface 131, the filtering and pressure regulating valve 132 and the air inlet pipe 134, and then sand sending can be carried out.
In one embodiment, the exhaust 135 comprises an exhaust line with a sound attenuating structure. Thus, noise pollution can be reduced. The above-described noise reduction structure can be implemented using an existing noise reduction structure.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A raw material sand pneumatic conveying system, comprising:
a sending tank, a three-way feed valve, a gas inlet and outlet control component, a material level detection component and a conveying pipeline component,
the material level detection assembly is arranged on the sending tank, a feed inlet is arranged at the upper end of the sending tank, the three-way feed valve is arranged at the feed inlet of the sending tank, a discharge outlet is arranged at the lower end of the sending tank, the discharge outlet of the sending tank is connected with the conveying pipeline assembly, the conveying pipeline assembly comprises a conveying main pipe and a conveying branch pipe, the conveying main pipe is connected with the conveying branch pipe through a three-way reversing valve, a plurality of three-way distribution valves are arranged on the conveying branch pipe, each three-way distribution valve is connected with a discharge valve, and each discharge valve is connected with the sand silo,
the gas inlet and outlet control assembly is installed at the upper end of the sending tank, when the three-way feed valve is in an open state, the gas inlet and outlet control assembly is used for discharging gas in the sending tank, and when the three-way feed valve is in a closed state, the gas inlet and outlet control assembly is used for conveying compressed air into the sending tank.
2. The raw sand pneumatic conveying system of claim 1, wherein the three-way feed valve comprises a feed three-way pipe, a feed butterfly valve, a feed cylinder and a first sealing element, the feed three-way pipe comprises a first pipeline, a second pipeline and a third pipeline, the second pipeline is positioned between the first pipeline and the third pipeline, the first pipeline is sealed by a sealing cover, the feed cylinder and the first sealing element are mounted on the second pipeline, the first sealing element is connected with the feed cylinder, the first sealing element is used for sealing a feed port at the upper end of the sending tank, a feed port is arranged at the upper end of the third pipeline, and the feed butterfly valve is mounted on the third pipeline.
3. The raw sand pneumatic conveying system of claim 1, wherein the three-way feed valve comprises a feed three-way pipe, two feed butterfly valves, a feed cylinder and a first sealing element, the feed three-way pipe comprises a first pipeline, a second pipeline and a third pipeline, the second pipeline is positioned between the first pipeline and the third pipeline, a first feed inlet is formed in the upper end of the first pipeline, one feed butterfly valve is installed on the first pipeline, the feed cylinder and the first sealing element are installed on the second pipeline, the first sealing element is connected with the feed cylinder, the first sealing element is used for plugging a feed inlet in the upper end of the sending tank, a second feed inlet is formed in the upper end of the third pipeline, and one feed butterfly valve is installed on the third pipeline.
4. The pneumatic conveying system for the raw material sand as recited in claim 1, wherein the gas inlet and outlet control assembly comprises a gas inlet pipe, a first control port is formed in an upper end inside the gas inlet pipe, the first control port is communicated with the filtering and pressure regulating valve, an air inlet port is connected to one end of the filtering and pressure regulating valve, a second control port is formed in a lower end inside the gas inlet pipe, the second control port is connected to an exhaust member arranged below the gas inlet pipe, the gas inlet pipe is further communicated with an inner cavity of the sending tank, a sand sending cylinder is arranged at an upper end of the gas inlet pipe, a second sealing member is arranged inside the gas inlet pipe, the second sealing member is connected to the sand sending cylinder, when the second sealing member is located at the first control port, the first control port is blocked by the second sealing member, and when the second sealing member is located at the second control port, the second control port is blocked by the second sealing member.
5. A raw material sand pneumatic conveying system according to claim 4, characterized in that the exhaust member comprises an exhaust line with a sound deadening structure.
6. The pneumatic raw sand conveying system according to claim 1, wherein the discharge valve is a ball-shaped discharge valve.
7. The pneumatic raw material sand conveying system according to any one of claims 1 to 6, wherein a pressure booster is further provided on the main conveying pipe.
8. The pneumatic conveying system for the raw material sand of claim 1, wherein the material level detection assembly comprises a high resistance rotary type material level indicator and a low resistance rotary type material level indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221386885.XU CN217626365U (en) | 2022-06-06 | 2022-06-06 | Raw material sand pneumatic conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221386885.XU CN217626365U (en) | 2022-06-06 | 2022-06-06 | Raw material sand pneumatic conveying system |
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| Publication Number | Publication Date |
|---|---|
| CN217626365U true CN217626365U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221386885.XU Active CN217626365U (en) | 2022-06-06 | 2022-06-06 | Raw material sand pneumatic conveying system |
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| Country | Link |
|---|---|
| CN (1) | CN217626365U (en) |
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2022
- 2022-06-06 CN CN202221386885.XU patent/CN217626365U/en active Active
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