Reversing valve for pneumatic garbage conveying system

Abstract

The utility model provides a reversing valve for a pneumatic garbage conveying system, and belongs to the technical field of environmental protection. Comprising a material inlet, a first material outlet, a second material outlet, a reversing valve shell, a rotating cylinder, a rubber sealing gasket, an internal connecting rod, a rotating bearing, an external transmission rod, a magnetic air cylinder, a fixed support and a water outlet. The reversing valve shell is of a fan-shaped structure, round holes are formed in the two sides of the end face of the material outlet respectively, one side is fixedly connected with the 1 # material outlet, and the other side is fixedly connected with the 2 # material outlet. A round hole is formed in one end of the material inlet of the reversing valve shell and is fixedly connected with the material inlet; the rotating cylinder is installed in the reversing valve shell, a rubber sealing gasket is arranged at the outlet end of the rotating cylinder, and the inlet end of the rotating cylinder is connected with the material inlet. The reversing valve for the pneumatic garbage conveying system can achieve free switching between the two material outlets at the same time, and has the advantages of being sensitive in switching, safe, reliable, good in sealing performance, convenient to overhaul and maintain and the like.

Description

Technical Field

[0001] This utility model relates to a reversing valve for a waste pneumatic conveying system, and in particular to a reversing valve composed of a reversing valve housing, a magnetic cylinder, a material inlet, a material outlet, a rotating cylinder, a rotating bearing, a connecting rod, a rotating rod, and an inspection port, which belongs to the field of environmental protection technology. Background Technology

[0002] The pneumatic waste conveying system is a new, green, intelligent, and efficient waste collection technology. It utilizes negative pressure, high-speed airflow to automatically transport waste through fully enclosed underground pipelines to waste collection stations.

[0003] The reversing valve is one of the key pieces of equipment in the pneumatic waste pipeline conveying system. By switching the valve body, different types of waste can be transported and collected separately, and waste and air can be transported to designated conveying channels, making the collection system a backup for each other.

[0004] In recent years, pneumatic waste conveying systems have developed rapidly and have been gradually applied in railways, commerce, hospitals, airports and other fields.

[0005] The operational capability of the reversing valve directly affects the stable operation of the waste pneumatic pipeline conveying system. In the existing waste pneumatic pipeline conveying system technology, due to the large conveying pipeline, the reversing valve has the characteristics of poor sealing performance, insensitive reversing, and difficult installation and maintenance, which makes the waste pneumatic pipeline conveying system prone to potential failures.

[0006] Therefore, providing a reversing valve for a waste pneumatic conveying system, which changes the flow direction of waste and gas in the pipeline by switching the rotating cylinder, so that the waste flows to the designated conveying system to realize the classified transportation of waste, and has the characteristics of sensitive switching, safety and reliability, good sealing performance, and easy inspection and maintenance, has become a technical problem that urgently needs to be solved in this field. Utility Model Content

[0007] The purpose of this utility model is to provide a reversing valve for a waste pneumatic conveying system. By switching the rotating cylinder, the flow direction of waste and gas in the pipeline is changed, so that the waste flows to the designated conveying system, realizing the classified transportation of waste. It has the characteristics of sensitive switching, safety and reliability, good sealing performance, and easy inspection and maintenance.

[0008] The above-mentioned objective of this utility model is achieved through the following technical solution:

[0009] A reversing valve for a waste pneumatic conveying system is characterized by comprising a material inlet, a No. 1 material outlet, a No. 2 material outlet, a reversing valve housing, a rotating cylinder, a rubber sealing gasket, an internal connecting rod, a rotating bearing, an external transmission rod, a magnetic cylinder, a fixed support, and a drain outlet.

[0010] The reversing valve housing has a fan-shaped structure with round holes on both sides of the material outlet end face. One side is fixedly connected to material outlet #1, and the other side is fixedly connected to material outlet #2. The material inlet end of the reversing valve housing has a round hole and is fixedly connected to the material inlet. The rotating cylinder is installed inside the reversing valve housing. The outlet end of the rotating cylinder is equipped with a rubber sealing gasket, and the inlet end of the rotating cylinder is connected to the material inlet. The upper part of the rotating cylinder is fixedly connected to the internal connecting rod, and the upper part of the inlet side of the rotating cylinder is fixedly connected to the rotating bearing. The internal connecting rod is connected to the rotating bearing, which extends out of the upper surface of the reversing valve housing and is connected to the external transmission rod. The external transmission rod is connected to the magnetic cylinder, which is fixed to the upper surface of the reversing valve housing by a fixed support.

[0011] Preferably, the inlet end of the rotating cylinder is flexibly connected to the material inlet.

[0012] Preferably, the reversing valve housing is composed of a material inlet side, a material outlet side, an inspection port side, an upper surface, and a lower surface, wherein the material outlet side is an arc-shaped curved surface and the material inlet side is a flat surface.

[0013] Preferably, the reversing valve housing has two inspection ports on both sides of the material outlet side.

[0014] Preferably, the lower surface of the reversing valve housing is provided with a drain port.

[0015] Preferably, the rotating cylinder is equipped with omnidirectional rollers.

[0016] Preferably, a universal rolling wheel is installed on the upper and lower sides of the rotating cylinder, respectively, and contacts the inner wall of the upper and lower surfaces of the reversing valve housing.

[0017] Preferably, two universal rollers are installed on the upper and lower sides of the rotating cylinder, respectively, and they contact the inner walls of the upper and lower surfaces of the reversing valve housing.

[0018] Preferably, the reversing valve housing is made of carbon steel.

[0019] Preferably, the rotating cylinder is made of carbon steel.

[0020] Preferably, the material inlet and material outlet are made of carbon steel.

[0021] The advantages of this utility model are:

[0022] The waste pneumatic conveying system of this utility model uses a reversing valve to change the flow direction of waste and gas in the pipeline by switching the rotating cylinder, so that the waste flows to the designated conveying system, realizing the classified transportation of waste. It has the characteristics of sensitive switching, safety and reliability, good sealing performance, and easy inspection and maintenance.

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this does not imply any limitation on the scope of protection of the present invention. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the waste pneumatic conveying system in Embodiment 1 of this utility model, showing the reversing valve switching to the No. 1 material outlet;

[0025] Figure 2 This is a schematic diagram of the structure of the waste pneumatic conveying system in Embodiment 1 of this utility model, showing the reversing valve switching to the No. 2 material outlet;

[0026] Figure 3 This is a side view of the reversing valve used in the waste pneumatic conveying system in Embodiment 1 of this utility model.

[0027] Explanation of key figure labels:

[0028] 1. Material imports 2. Material exports

[0029] 2-1 Material Outlet #1 2-2 Material Outlet #2

[0030] 3. Reversing valve housing 4. Inspection port

[0031] 5 Rotating cylinder 6 Rubber sealing gasket

[0032] 7 Internal connecting rod 8 Rotary bearing

[0033] 9 External transmission rod 10 Magnetic cylinder

[0034] 11 Fixed support 12 Universal rolling casters

[0035] 13 Drainage outlets Detailed Implementation

[0036] Unless otherwise specified, the components used in the following embodiments are all conventional components available on the market in this field, their connections are all conventional connections, the software or programs used are conventional software or programs, or improvements based on conventional software or programs, and the detection methods are conventional detection methods or improvements based on conventional detection methods; the improvement of this utility model lies in the hardware.

[0037] Example 1

[0038] like Figure 1 The diagram shown is a schematic representation of the structure of the waste pneumatic conveying system in Embodiment 1 of this utility model, where a reversing valve switches to the No. 1 material outlet; as shown... Figure 2 The diagram shown is a schematic representation of the structure of the waste pneumatic conveying system in Embodiment 1 of this utility model, where a reversing valve switches to the No. 2 material outlet; as shown... Figure 3The diagram shown is a side view of the reversing valve used in the waste pneumatic conveying system in Embodiment 1 of this utility model; wherein, 1 is the material inlet, 2 is the material outlet, 2-1 is material outlet #1, 2-2 is material outlet #2, 3 is the reversing valve housing, 4 is the inspection port, 5 is the rotating cylinder, 6 is the rubber sealing gasket, 7 is the internal connecting rod, 8 is the rotating bearing, 9 is the external transmission rod, 10 is the magnetic cylinder, 11 is the fixed support, 12 is the universal rolling wheel, and 13 is the drain outlet;

[0039] The reversing valve for the waste pneumatic conveying system of this utility model embodiment 1 includes: material inlet 1, material outlet 2, material outlet 1# 2-1, material outlet 2# 2-2, reversing valve housing 3, inspection port 4, rotating cylinder 5, rubber sealing gasket 6, internal connecting rod 7, rotating bearing 8, external transmission rod 9, magnetic cylinder 10, fixed support 11, universal rolling wheel 12, and drain outlet 13;

[0040] The reversing valve body 3 has a fan-shaped structure and is assembled from carbon steel plates. It has good sealing performance. The material outlet 2 of the reversing valve body 3 has an arc shape at one end and round holes on both sides. One side is welded and fixed to material outlet 2-1 of No. 1, and the other side is welded and fixed to material outlet 2-2 of No. 2. The material inlet 1 of the reversing valve body 3 has a round hole at one end and is welded and fixed to material inlet 1.

[0041] The rotating cylinder 5 is installed inside the reversing valve housing 3 and is made of carbon steel. Depending on the requirements, the outlet end of the rotating cylinder 5 can be freely rotated to the side of material outlet 2-1 or material outlet 2-2. The outlet end of the rotating cylinder 5 is equipped with a rubber sealing gasket 6 to achieve the sealing effect between the rotating cylinder 5 and the inner wall of the reversing valve housing 3, preventing garbage from leaking out. The inlet end of the rotating cylinder 5 is flexibly connected to the material inlet 1.

[0042] The upper part of the rotating cylinder 5 is fixedly connected to the internal connecting rod 7. The upper part of the inlet side of the rotating cylinder 5 is fixedly connected to the rotating bearing 8. The internal connecting rod 7 is connected to the rotating bearing 8. The rotating bearing 8 extends out of the upper surface of the reversing valve housing 3 and is connected to the external transmission rod 9. The external transmission rod 9 is connected to the magnetic cylinder 10. The magnetic cylinder 10 is fixed to the upper surface of the reversing valve housing 3 by the fixed support 11.

[0043] The reversing valve housing 3 consists of a material inlet side, a material outlet side, an inspection port side, an upper surface, and a lower surface. The material outlet side is an arc-shaped curved surface with round holes on both sides. The material inlet side is a flat surface with round holes, which connect to the material inlet 1. The reversing valve housing 3 has two inspection ports 4 on both sides of the material outlet side to enable maintenance and repair of the internal cavity of the housing. Both the upper and lower surfaces are flat. The lower surface of the reversing valve housing 3 has a drain outlet 13 for sewage discharge.

[0044] Two universal rolling wheels 12 are installed on the upper and lower sides of the rotating cylinder 5, respectively, and they contact the inner walls of the upper and lower surfaces of the reversing valve housing 3, so that the rotating cylinder 5 can move freely on the inner surface of the reversing valve housing 3.

[0045] The waste pneumatic conveying system of this utility model uses a reversing valve. When the magnetic cylinder 10 is activated, the external transmission rod 9 drives the rotating bearing 8, the rotating bearing 8 drives the internal connecting rod 7, and the internal connecting rod 7 drives the rotating cylinder 5 to rotate, so that the rotating cylinder 5 can freely switch between material outlet 1# 2-1 and material outlet 2# 2-2. The switching angle can be set according to the requirements.

[0046] The reversing valve of the waste pneumatic conveying system of this utility model has two universal rolling wheels 12 installed on the upper and lower parts of the rotating cylinder 5 to facilitate the free movement of the rotating cylinder 5 inside the reversing valve housing 3, for a total of four universal rolling wheels. The universal rolling wheels 12 can realize the free reciprocating switching of the rotating cylinder 5, reduce the working pressure of the magnetic cylinder 10, and have the advantages of energy saving and environmental protection.

[0047] The reversing valve of the waste pneumatic conveying system of this utility model has inspection ports 4 on both sides of the reversing valve housing 3, which are used to remove dust or residual waste inside the housing, and can also be used to inspect the rotating cylinder.

[0048] The reversing valve of the waste pneumatic conveying system of this utility model has an opening at the bottom of the reversing valve housing 3 and a drain pipe installed thereon to facilitate the discharge of water brought into the valve body by the waste.

[0049] The waste pneumatic conveying system of this utility model uses a reversing valve to switch the rotating cylinder 5, thereby changing the flow direction of waste and gas in the pipeline as needed, so that the waste flows into the designated pipeline, realizing the need for classified waste collection and meeting the national waste classification policy.

[0050] The reversing valve used in the pneumatic waste conveying system of this utility model is powered by a magnetic cylinder 10. The magnetic cylinder 10 is a commercially available component, including a base, piston, piston rod, cylinder barrel, end cap, and magnetic element. A magnetic element is installed inside the cylinder, and the magnetic signal is used in conjunction with an external sensor to detect or provide feedback on the position of the cylinder piston, thereby accurately realizing the rotation angle of the rotating cylinder 5.

[0051] The reversing valve used in the pneumatic waste conveying system of this utility model is made of carbon steel, wherein the reversing valve housing 3, the rotating cylinder 5, the material inlet 1, and the material outlet 2 are all made of carbon steel.

[0052] The reversing valve in the waste pneumatic conveying system of this utility model can simultaneously achieve free switching between two material outlets, and has the characteristics of sensitive switching, safety and reliability, good sealing performance, and easy inspection and maintenance.

[0053] The above description is only a preferred embodiment of the present utility model, and therefore cannot be used to limit the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the present utility model patent and the contents of the specification should still fall within the scope of the present utility model.

Claims

1. A reversing valve for a waste pneumatic conveying system, characterized in that: The system includes a material inlet, a No. 1 material outlet, a No. 2 material outlet, a reversing valve housing, a rotating cylinder, a rubber gasket, an internal connecting rod, a rotating bearing, an external transmission rod, a magnetic cylinder, a fixed support, and a drain outlet. The reversing valve housing has a fan-shaped structure with round holes on both sides of the material outlet end face. One side is fixedly connected to the No. 1 material outlet, and the other side is fixedly connected to the No. 2 material outlet. One end of the reversing valve housing has a round hole and is fixedly connected to the material inlet. The rotating cylinder is installed inside the reversing valve housing. The outlet end of the rotating cylinder is equipped with a rubber gasket, and the inlet end of the rotating cylinder is connected to the material inlet. The upper part of the rotating cylinder is fixedly connected to the internal connecting rod, and the upper part of the inlet side of the rotating cylinder is fixedly connected to the rotating bearing. The internal connecting rod is connected to the rotating bearing, which extends out of the upper surface of the reversing valve housing and is connected to the external transmission rod. The external transmission rod is connected to the magnetic cylinder, which is fixed to the upper surface of the reversing valve housing by a fixed support.

2. The reversing valve for the pneumatic waste conveying system as described in claim 1, characterized in that, The inlet end of the rotating cylinder is flexibly connected to the material inlet.

3. The reversing valve for the waste pneumatic conveying system as described in claim 2, characterized in that, The reversing valve housing consists of a material inlet side, a material outlet side, an inspection port side, an upper surface, and a lower surface. The material outlet side is an arc-shaped curved surface, while the material inlet side is a flat surface.

4. The reversing valve for the waste pneumatic conveying system as described in claim 3, characterized in that, The reversing valve housing has two inspection ports on both sides of the material outlet side.

5. The reversing valve for the pneumatic waste conveying system as described in claim 4, characterized in that, The lower surface of the reversing valve housing is provided with a drain port.

6. The reversing valve for the pneumatic waste conveying system as described in claim 5, characterized in that, The rotating cylinder is equipped with omnidirectional rolling wheels.

7. The reversing valve for the waste pneumatic conveying system as described in claim 6, characterized in that, A universal rolling wheel is installed on the upper and lower sides of the rotating cylinder, respectively, and contacts the inner walls of the upper and lower surfaces of the reversing valve housing.

8. The reversing valve for the pneumatic waste conveying system as described in claim 6, characterized in that, Two universal rollers are installed on the upper and lower sides of the rotating cylinder, respectively, and they are in contact with the inner walls of the upper and lower surfaces of the reversing valve housing.

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