CN220950169U - Powder negative pressure pipeline conveying system - Google Patents
Powder negative pressure pipeline conveying system Download PDFInfo
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- CN220950169U CN220950169U CN202322117511.9U CN202322117511U CN220950169U CN 220950169 U CN220950169 U CN 220950169U CN 202322117511 U CN202322117511 U CN 202322117511U CN 220950169 U CN220950169 U CN 220950169U
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- valve
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- guide groove
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- 239000000843 powder Substances 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
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Abstract
The utility model relates to a powder negative pressure pipeline conveying system, which is characterized in that: including mixing box, reaction box, vacuum pump, three control valves, pipeline and pressure protection valve, pipeline's one end is connected on mixing box lower extreme's lateral wall, pipeline's the other end links to each other with three control valves of fixing at the reaction box top, the vacuum pump install at the top of reaction box, pipeline with the vacuum pump all be linked together with the reaction box through three control valves, pressure protection valve install on reaction box's lateral wall and be linked together with it, pressure protection valve include valve body, first case, valve gap, first spring, second case and second spring. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Description
Technical Field
The utility model relates to the technical field of pipeline conveying, in particular to a powder negative pressure pipeline conveying system.
Background
The cement needs to use a negative pressure pipeline conveying system in the production process, one end of a pipeline is in a negative pressure state in a vacuumizing mode, powder can be automatically conveyed along the pipeline under the action of a pressure difference, potential safety hazards exist inevitably in vacuumizing, and once the pressure difference between the inside and the outside is excessive, the damage of the structure is easily caused, so that unnecessary loss is generated, and the design of the powder negative pressure pipeline conveying system is particularly important for solving the problems.
Disclosure of Invention
The utility model designs a powder negative pressure pipeline conveying system for solving the problems, wherein a pressure protection valve is arranged on the side wall of a reaction box body, the protection of the reaction box body can be automatically finished through the pressure protection valve, the damage of a structure caused by overlarge internal and external pressure difference is prevented, and the effect of reducing unnecessary loss is achieved.
In order to solve the technical problems, the utility model provides a method for processing a plastic film, which is characterized in that: the novel reaction tank comprises a mixing tank body, a reaction tank body, a vacuum pump, three control valves, a conveying pipeline and a pressure protection valve, one end of the conveying pipeline is connected to the side wall of the lower end of the mixing tank body, the other end of the conveying pipeline is connected with the three control valves fixed at the top of the reaction tank body, the vacuum pump is installed at the top of the reaction tank body, the conveying pipeline and the vacuum pump are communicated with the reaction tank body through the three control valves, the pressure protection valve is installed on the side wall of the reaction tank body and is communicated with the side wall of the reaction tank body, the pressure protection valve comprises a valve body, a first valve core, a valve cover, a first spring, a second valve core and a second spring, the left end of the valve body is in an open shape and is communicated with the reaction tank body, the valve cover is fixed at the right end of the valve body, the first valve core is in a piston type connection with the valve cover through the first spring, a guide groove matched with the second valve core is formed in the right end face of the side wall of the valve body, the guide groove is opposite to the first valve core, the guide groove is connected with the guide groove is formed in the guide groove through the guide groove, and the guide groove is communicated with the guide groove on the valve body through the guide groove, and the guide groove is communicated with the guide groove.
Further: the valve cover is provided with an electric cylinder, the electric cylinder penetrates through the valve cover to be communicated with the piston rod, the piston rod penetrates through the first valve core to be connected with the pull plate, the first spring surrounds the outer side of the piston rod, and the first valve core is slidably connected to the piston rod in a piston mode.
Still further: the top of mixing box links to each other with the one end of conveyer belt conveyer through the kuppe, is provided with a plurality of powder storage jar directly over the conveyer belt conveyer other end, powder storage jar pass through the support frame to be fixed directly over the conveyer belt conveyer, the discharge gate at powder storage jar bottom is linked together with the feed inlet at conveyer belt conveyer top, kuppe and mixing box between the feed inlet be provided with electromagnetic switch valve.
Still further: the mixing box in be provided with mixing mechanism, mixing mechanism include (mixing) shaft, stirring frame, connecting sleeve and agitator motor, the (mixing) shaft level rotate and connect in the mixing box and its one end links to each other with agitator motor, the stirring frame pass through the connecting sleeve and fix on the (mixing) shaft.
By adopting the structure, the side wall of the reaction box body is provided with the pressure protection valve, the protection of the reaction box body can be automatically finished through the pressure protection valve, the damage of the structure caused by overlarge internal and external pressure difference is prevented, and the effect of reducing unnecessary loss is achieved; the pressure protection valve can be manually started, so that the balance of the pressure difference inside and outside the reaction box body is finished, and the function of increasing the practical performance is achieved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a structural view of the pressure protection valve.
Fig. 3 is an enlarged view of a in fig. 2.
Fig. 4 is a structural view of the mixing mechanism.
Detailed Description
The powder negative pressure pipeline conveying system shown in figures 1, 2 and 3 comprises a mixing box body 5, a reaction box body 8, a vacuum pump 11, three control valves 10, a conveying pipeline 9 and a pressure protection valve 12, wherein one end of the conveying pipeline is connected to the side wall of the lower end of the mixing box body, the other end of the conveying pipeline is connected with the three control valves fixed at the top of the reaction box body, the vacuum pump is arranged at the top of the reaction box body, the conveying pipeline and the vacuum pump are communicated with the reaction box body through the three control valves, the pressure protection valve is arranged on the side wall of the reaction box body and is communicated with the side wall of the reaction box body, the pressure protection valve comprises a valve body 12-1, a first valve core 12-2, a valve cover 12-3, a first spring 12-11, a second valve core 12-7 and a second spring 12-8, the valve cover is fixed at the right end of the valve body, the first valve core is connected in the valve body in a piston mode and is connected with the valve cover through a first spring, a first drain hole 12-5 is formed in the side wall of the valve body, a guide groove matched with the second valve core is formed in the right end face of the first valve core, a through hole 12-10 is formed in the position, opposite to the guide groove, of the left end face of the first valve core, the through hole is communicated with the guide groove, the second valve core is connected in the guide groove in a piston mode and is connected with the guide groove through a second spring, a guide channel 12-9 is further formed in the first valve core, one end of the guide channel is communicated with the reaction box through the valve body, and the other end of the guide channel is connected to the inner wall of the guide groove and is communicated with the guide groove. When the pressure difference between the inside and the outside of the reaction box body is overlarge, the second valve core can extrude the second spring under the action of the pressure difference, and when the diversion channel is communicated with the first drainage hole, external gas can enter the reaction box body along the diversion channel, so that the pressure difference between the inside and the outside of the reaction box body is balanced. The side wall of the reaction box body is provided with the pressure protection valve, the protection of the reaction box body can be automatically finished through the pressure protection valve, the damage of the structure caused by overlarge internal and external pressure difference is prevented, and the effect of reducing unnecessary loss is achieved.
An electric cylinder 12-4 is installed on the valve cover shown in fig. 2, the electric cylinder penetrates through the valve cover to be communicated with a piston rod, the piston rod penetrates through a first valve core to be connected with a pull plate 12-6, the first spring surrounds the outer side of the piston rod, and the first valve core is slidably connected to the piston rod in a piston mode. The mode of manually starting the pressure protection valve is as follows: the switch of the electric cylinder is turned on, the piston rod and the pull plate are utilized to pull the first valve core to enable the first valve core to squeeze the first spring, and when the first drain hole is not sealed by the first valve core, external gas can enter the reaction box body along the first drain hole, so that the internal and external pressure difference of the reaction box body is balanced. The utility model can manually start the pressure protection valve, thereby completing the balance of the pressure difference inside and outside the reaction box body and playing a role in increasing the practical performance.
The top of the mixing box body is connected with one end of a conveyor belt conveyor 3 through a guide cover 6 as shown in fig. 1, a plurality of powder storage tanks 1 are arranged right above the other end of the conveyor belt conveyor, the powder storage tanks are fixed right above the conveyor belt conveyor through a support frame 2, a discharge hole at the bottom of each powder storage tank is communicated with a feed inlet at the top of the conveyor belt conveyor, and an electromagnetic switch valve is arranged between the guide cover and the feed inlet of the mixing box body.
The mixing box shown in fig. 4 is internally provided with a mixing mechanism, the mixing mechanism comprises a stirring shaft 7-2, a stirring frame 7-3, a connecting sleeve 7-4 and a stirring motor 7-1, the stirring shaft is horizontally and rotatably connected in the mixing box, one end of the stirring shaft is connected with the stirring motor, and the stirring frame is fixed on the stirring shaft through the connecting sleeve.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be within the scope of the utility model as set forth in the following claims.
Claims (4)
1. A powder negative pressure pipeline conveying system which is characterized in that: comprises a mixing box body (5), a reaction box body (8), a vacuum pump (11), three control valves (10), a conveying pipeline (9) and a pressure protection valve (12), wherein one end of the conveying pipeline is connected to the side wall of the lower end of the mixing box body, the other end of the conveying pipeline is connected with the three control valves fixed at the top of the reaction box body, the vacuum pump is arranged at the top of the reaction box body, the conveying pipeline and the vacuum pump are communicated with the reaction box body through the three control valves, the pressure protection valve is arranged on the side wall of the reaction box body and communicated with the side wall of the reaction box body, the pressure protection valve comprises a valve body (12-1), a first valve core (12-2), a valve cover (12-3), a first spring (12-11), a second valve core (12-7) and a second spring (12-8), the left end of the valve body is in an open shape and is communicated with the reaction box body, the first valve core is connected in the valve body through a first spring and is communicated with a valve cover, the first valve core is provided with a guide groove (12-5) on the side wall of the valve body, the guide groove (12-5) is connected with the guide groove (12-5) on the valve core is arranged on the side wall of the valve body through a guide groove (12-5), one end of the flow guide channel is communicated with the reaction box body through the valve body, and the other end of the flow guide channel is connected to the inner wall of the guide groove and communicated with the guide groove.
2. A powder negative pressure tubing delivery system according to claim 1, wherein: the valve cover is provided with an electric cylinder (12-4), the electric cylinder penetrates through the valve cover to be communicated with a piston rod, the piston rod penetrates through a first valve core to be connected with a pull plate (12-6), the first spring surrounds the outer side of the piston rod, and the first valve core is slidably connected to the piston rod in a piston mode.
3. A powder negative pressure tubing delivery system according to claim 1, wherein: the top of mixing box links to each other with the one end of conveyer belt conveyer (3) through kuppe (6), is provided with a plurality of powder storage jar (1) directly over the conveyer belt conveyer other end, powder storage jar pass through support frame (2) and fix directly over the conveyer belt conveyer, the discharge gate at powder storage jar bottom is linked together with the feed inlet at conveyer belt conveyer top, kuppe and mixing box's feed inlet between be provided with electromagnetic switch valve.
4. A powder negative pressure tubing delivery system according to claim 1, wherein: the mixing box body in be provided with mixing mechanism, mixing mechanism include (7-2), stirring frame (7-3), connecting sleeve (7-4) and agitator motor (7-1), the stirring axle level rotate and connect in the mixing box body and its one end links to each other with agitator motor, stirring frame fix on the stirring axle through the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322117511.9U CN220950169U (en) | 2023-08-08 | 2023-08-08 | Powder negative pressure pipeline conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322117511.9U CN220950169U (en) | 2023-08-08 | 2023-08-08 | Powder negative pressure pipeline conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220950169U true CN220950169U (en) | 2024-05-14 |
Family
ID=91017460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322117511.9U Active CN220950169U (en) | 2023-08-08 | 2023-08-08 | Powder negative pressure pipeline conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220950169U (en) |
-
2023
- 2023-08-08 CN CN202322117511.9U patent/CN220950169U/en active Active
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