Environment-friendly vacuum unit

Abstract

The environment-friendly vacuum unit comprises a vacuum pump, a water tank, a vacuum buffer tank and a water circulation assembly, the water tank is used for being erected on the ground and connected with the vacuum buffer tank, and the vacuum pump is located on one side of the water tank; the water circulation assembly comprises a cooling liquid inlet formed in the vacuum buffer tank, a cooling liquid connecting pipe arranged on the vacuum buffer tank, a cooling liquid outlet formed in the water tank, a connecting water pipe and a water pump, the connecting water pipe is used for connecting the water pump with the cooling liquid inlet and the cooling liquid outlet, and the cooling liquid connecting pipe is connected with the vacuum buffer tank and the water tank; the water tank is provided with a water filling nozzle; a system interface is formed in the vacuum buffer tank and is used for introducing gas needing to be treated; a first connecting pipe and a second connecting pipe are arranged on the vacuum pump, the first connecting pipe is connected with the vacuum pump and the vacuum buffer tank, and the second connecting pipe is connected with the vacuum pump and the water tank. The device has the effects of saving water resources and reducing harmful wastewater, and has good environmental protection property.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vacuum units, in particular to an environment-friendly vacuum unit. BACKGROUND

[0002] A vacuum pump is a device for improving, generating and maintaining vacuum in a certain closed space by various methods. The function of the vacuum pump is to remove gas molecules from the container to be pumped, to reduce the gas pressure in the container to be pumped, and to reach the required vacuum degree.

[0003] A vacuum unit is an air exhaust device formed by combining a vacuum pump and corresponding vacuum elements according to their performance requirements, and is a core equipment for realizing a vacuum environment. In the medical field, a water jet type vacuum unit needs to be continuously supplied with cold water for cooling during operation, and the replaced cold water needs to be purified. This is not only troublesome in the process flow, but also not environmentally friendly, and needs to be improved. CONTENT OF THE INVENTION

[0004] In order to improve the environmental protection of the vacuum unit, the present application provides an environment-friendly vacuum unit.

[0005] The environment-friendly vacuum unit provided by the present application adopts the following technical scheme:

[0006] An environment-friendly vacuum unit comprises a vacuum pump, a water tank, a vacuum buffer tank and a water circulation assembly. The water tank is used to stand on the ground, the water tank is connected with the vacuum buffer tank, and the vacuum pump is located on one side of the water tank. The water circulation assembly comprises a cooling liquid inlet arranged on the vacuum buffer tank, a cooling liquid connecting pipe arranged on the vacuum buffer tank, a cooling liquid outlet arranged on the water tank, a connecting water pipe and a water pump. The connecting water pipe is used to connect the water pump with the cooling liquid inlet and the cooling liquid outlet. The cooling liquid connecting pipe connects the vacuum buffer tank and the water tank. The water tank is provided with a water inlet.

[0007] By adopting the above technical scheme, the water circulation is realized through the water pump-connection water pipe-cooling liquid inlet-water flow channel in the vacuum buffer tank-cooling liquid connecting pipe-water flow channel in the water tank-cooling liquid outlet-connection water pipe-water pump. During the operation of the vacuum unit, it is not necessary to continuously replace and supplement water. It is only necessary to replace the cooling liquid in the vacuum buffer tank and the water tank at a specific time. The water tank can add cooling liquid through the water inlet. The environment-friendly vacuum unit can save water resources, reduce harmful waste water and improve environmental protection.

[0008] Optionally, the vacuum buffer tank is provided with a system interface for connecting the gas to be treated. The vacuum pump is provided with a first connecting pipe and a second connecting pipe. The first connecting pipe connects the vacuum pump and the vacuum buffer tank. The second connecting pipe connects the vacuum pump and the water tank.

[0009] By adopting the technical scheme, the system interface is used for accessing the gas, then entering the vacuum buffer tank and entering the water tank through the channel of the first connecting pipe-vacuum pump-second connecting pipe.

[0010] Optionally, the vacuum buffer tank is provided with a cooling pipe, and the cooling pipe is provided with a condenser.

[0011] By adopting the technical scheme, the cooling pipe and the condenser are arranged to cool the gas, the gas is cooled by the cooling pipe and the condenser before entering the vacuum buffer tank, then enters the water tank through the channel of the first connecting pipe-vacuum pump-second connecting pipe, and the gas can cool the liquid after entering the water tank, so that the device in the water tank is in a normal temperature state, thereby enabling the vacuum unit to operate stably for a long time.

[0012] Optionally, the water tank is provided with a brake assembly, and the brake assembly is used to reduce the pressure in the water tank.

[0013] By adopting the technical scheme, the brake assembly is arranged to monitor the pressure in the water tank, and when the pressure in the water tank is too high and reaches a critical value, the brake assembly is started to reduce the pressure in the water tank.

[0014] Optionally, the water tank is provided with an exhaust pipe, the exhaust pipe is provided with a sealing cover, the sealing cover seals the exhaust pipe, the brake assembly includes a mounting plate fixed in the exhaust pipe, an electric cylinder arranged on the mounting plate, a pressure gauge arranged in the water tank, a controller arranged on the water tank, and an ejection rod arranged on the electric cylinder, an output shaft of the electric cylinder is fixed with the ejection rod, when the pressure in the water tank exceeds a critical value of the pressure gauge, the pressure gauge sends a signal to the controller to control the output shaft of the electric cylinder to extend to eject the sealing cover, thereby releasing the pressure of the exhaust pipe.

[0015] By adopting the technical scheme, the electric cylinder drives the ejection rod to move, when the pressure in the water tank is too large and reaches the critical value of the pressure gauge, the pressure gauge alarms to send a signal to the controller, and the controller starts the electric cylinder to extend, at this time, the ejection rod is driven by the electric cylinder to eject the sealing cover, and the sealing cover is easily ejected to release the exhaust pipe.

[0016] Optionally, the ejection rod is provided with a guide protrusion on both sides, and the exhaust pipe is provided with a guide groove for accommodating the guide protrusion.

[0017] By adopting the technical scheme, the guide protrusion and the guide groove are arranged to cooperate to improve the stability of the ejection rod when moving.

[0018] Optionally, a top surface of the ejection rod is provided with an ejection protrusion, and the ejection protrusion is used to abut against the sealing cover to eject the sealing cover.

[0019] By adopting the technical scheme, the ejection protrusion is arranged to facilitate the ejection of the sealing cover, so that the sealing state of the exhaust pipe is released to exhaust and reduce the pressure.

[0020] To sum up, the present application has at least one of the following beneficial technical effects:

[0021] 1. The water circulation is achieved through the water pump, the connecting water pipe, the cooling liquid inlet, the water flow channel in the vacuum buffer tank, the connecting water pipe, the water flow channel in the water tank, the cooling liquid outlet, the cooling liquid connecting pipe and the water pump. When the vacuum unit is running, the water does not need to be constantly replaced and supplemented. Only the cooling liquid in the vacuum buffer tank and the water tank needs to be replaced at a specific time. The water tank can add cooling liquid through the water inlet. The environment-friendly vacuum unit can save water resources and reduce harmful waste water, and improve environmental protection.

[0022] 2. The electric cylinder drives the ejection rod to move. When the pressure in the water tank is too large and reaches the critical value of the pressure gauge, the pressure gauge alarms to send a signal to the controller. The controller starts the electric cylinder to extend. At this time, the ejection rod drives the sealing cover to be ejected under the driving of the electric cylinder. The sealing cover is easily ejected to make the exhaust pipe exhaust and reduce the pressure.

[0023] 3. The ejection protrusion is arranged to facilitate the ejection of the sealing cover, so that the sealing state of the exhaust pipe is released to exhaust and reduce the pressure. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the environment-friendly vacuum unit of the embodiment of the present application.

[0025] Figure 2 It is a schematic diagram of the structure of the exhaust pipe and the sealing cover of the embodiment.

[0026] Figure 3 It is a schematic diagram of the structure of the brake assembly of the embodiment.

[0027] BRIEF DESCRIPTION OF DRAWINGS 1. Vacuum pump; 2. Water tank; 3. Vacuum buffer tank; 4. Water circulation assembly; 41. Cooling liquid inlet; 42. Cooling liquid connecting pipe; 43. Cooling liquid outlet; 5. Water inlet; 6. System interface; 7. First connecting pipe; 8. Second connecting pipe; 9. Cooling pipe; 10. Condenser; 11. Brake assembly; 111. Mounting plate; 112. Electric cylinder; 113. Ejection rod; 12. Exhaust pipe; 13. Sealing cover; 14. Guide protrusion; 15. Guide groove; 16. Ejection protrusion. DETAILED DESCRIPTION

[0028] The following will be described in detail in combination with the accompanying Figures 1-3 The present application will be further described in detail.

[0029] The embodiment of the present application discloses an environment-friendly vacuum unit. Referring to Figure 1The environment-friendly vacuum unit comprises a vacuum pump 1, a water tank 2, a vacuum buffer tank 3 and a water circulation assembly 4. The water tank 2 is erected on the ground. The water tank 2 is connected with the vacuum buffer tank 3. The vacuum pump 1 is placed on one side of the water tank 2.

[0030] With reference to Figure 1 The water circulation assembly 4 comprises a cooling liquid inlet 41 formed on the vacuum buffer tank 3, a cooling liquid connecting pipe 42 installed on the vacuum buffer tank 3, a cooling liquid outlet 43 formed on the water tank 2, a connecting water pipe for circulation and a water pump for circulation. The connecting water pipe is used to connect the water pump with the cooling liquid inlet 41 and the cooling liquid outlet 43. The cooling liquid connecting pipe 42 connects the vacuum buffer tank 3 and the water tank 2. The water circulation is realized through the water pump-connecting water pipe-cooling liquid inlet 41-water flow channel in the vacuum buffer tank 3-cooling liquid connecting pipe 42-water flow channel in the water tank 2-cooling liquid outlet 43-connecting water pipe-water pump. A water inlet 5 is formed on the water tank 2. The water injected from the water inlet 5 into the water tank 2 can enter the water circulation channel.

[0031] With reference to Figure 1 A system interface 6 is installed on the vacuum buffer tank 3. The system interface 6 is used to connect with the gas to be treated. A first connecting pipe 7 and a second connecting pipe 8 are installed on the vacuum pump 1. The first connecting pipe 7 connects the vacuum pump 1 and the vacuum buffer tank 3. The second connecting pipe 8 connects the vacuum pump 1 and the water tank 2. A cooling pipe 9 is installed on the vacuum buffer tank 3. A condenser 10 is installed on the cooling pipe 9. The cooling pipe 9 and the condenser 10 are used to cool the gas.

[0032] With reference to Figure 2 and Figure 3 A brake assembly 11 is installed on the water tank 2. The brake assembly 11 is used to reduce the pressure in the water tank 2. An exhaust pipe 12 is fixed on the water tank 2. A sealing cover 13 is covered on the exhaust pipe 12. The sealing cover 13 seals the exhaust pipe 12. The brake assembly 11 comprises a mounting plate 111 fixed in the exhaust pipe 12, an electric cylinder 112 fixed on the mounting plate 111, a pressure gauge installed in the water tank 2, a controller installed on the water tank 2 and an ejecting rod 113 installed on the electric cylinder 112. The output shaft of the electric cylinder 112 is fixed with the ejecting rod 113. The pressure gauge is used to monitor the pressure in the water tank 2. When the pressure in the water tank 2 exceeds the critical value of the pressure gauge, the pressure gauge sends a signal to the controller to control the output shaft of the electric cylinder 112 to extend to eject the sealing cover 13. At this time, the exhaust pipe 12 is opened, so that the exhaust pipe 12 is depressurized.

[0033] With reference to Figure 2 and Figure 3 Guide protrusions 14 are fixed on both sides of the ejecting rod 113. Guide grooves 15 are formed on the exhaust pipe 12 to accommodate the guide protrusions 14. Ejecting protrusions 16 are fixed on the top surface of the ejecting rod 113. The ejecting protrusions 16 are used to abut against the sealing cover 13 to eject the sealing cover 13.

[0034] The implementation principle of the environment-friendly vacuum unit is that: the water circulation is realized through the water pump-connection water pipe-cooling liquid inlet 41-water flow channel in the vacuum buffer tank 3-cooling liquid connection pipe 42-water flow channel in the water tank 2-cooling liquid outlet 43-connection water pipe-water pump, and during the operation of the vacuum unit, the water is not needed to be continuously replaced and supplemented, and only the cooling liquid in the vacuum buffer tank 3 and the water tank 2 needs to be replaced at a specific time, and the water tank 2 can add the cooling liquid through the water injection port 5; the environment-friendly vacuum unit can save water resources and reduce harmful waste water, and improve the environmental protection.

[0035] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, so: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An environmentally friendly vacuum unit, characterized by: The utility model provides a kind of water tank and vacuum buffer tank cooling system, including vacuum pump (1), water tank (2), vacuum buffer tank (3) and water circulation assembly (4), the water tank (2) is used to be erected on ground, the water tank (2) is connected with vacuum buffer tank (3), the vacuum pump (1) is located water tank (2) side;The water circulation assembly (4) includes being arranged on the cooling liquid inlet (41) of vacuum buffer tank (3), be arranged on the cooling liquid connecting pipe (42) of vacuum buffer tank (3), be arranged on the cooling liquid outlet (43) of water tank (2), connect water pipe and water pump, the connecting water pipe is used to make water pump and cooling liquid inlet (41) and cooling liquid outlet (43) are connected, the cooling liquid connecting pipe (42) connects vacuum buffer tank (3) and water tank (2);The water tank (2) is equipped with water inlet (5).

2. The environmentally friendly vacuum unit of claim 1, wherein: The vacuum buffer tank (3) is equipped with system interface (6), the system interface (6) is used to access the gas needing to be handled;The vacuum pump (1) is equipped with first connecting pipe (7) and second connecting pipe (8), the first connecting pipe (7) connects vacuum pump (1) and vacuum buffer tank (3), and the second connecting pipe (8) connects vacuum pump (1) and water tank (2).

3. The environmentally friendly vacuum unit of claim 2, wherein: The vacuum buffer tank (3) is equipped with cooling pipe (9), and the cooling pipe (9) is equipped with condenser (10).

4. The environmentally friendly vacuum unit of claim 1, wherein: The water tank (2) is equipped with brake assembly (11), and the brake assembly (11) is used to reduce the pressure in the water tank (2).

5. The environmentally friendly vacuum unit of claim 4, wherein: The water tank (2) is equipped with exhaust pipe (12), and the exhaust pipe (12) is equipped with sealing cover (13), the sealing cover (13) seals the exhaust pipe (12), and the brake assembly (11) includes mounting plate (111) fixed in the exhaust pipe (12), electric cylinder (112) arranged on the mounting plate (111), pressure gauge arranged in the water tank (2), controller arranged on the water tank (2) and ejector rod (113) arranged on the electric cylinder (112), the output shaft of the electric cylinder (112) is fixed with the ejector rod (113), when the pressure in the water tank (2) exceeds the critical value of the pressure gauge, the pressure gauge sends a signal to the controller to control the output shaft of the electric cylinder (112) to extend to eject the sealing cover (13), so that the exhaust pipe (12) is relieved.

6. The environmentally friendly vacuum unit of claim 5, wherein: The two sides of the ejector rod (113) are equipped with guide protrusions (14), and the exhaust pipe (12) is provided with guide grooves (15) for accommodating the guide protrusions (14).

7. The environmentally friendly vacuum unit of claim 5, wherein: The top surface of the ejector rod (113) is provided with ejecting protrusions (16), and the ejecting protrusions (16) are used to abut against the sealing cover (13) to eject the sealing cover (13).

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