Water circulation negative pressure device

Abstract

The utility model relates to the technical field of negative pressure devices, in particular to a water circulation negative pressure device which comprises a negative pressure tank connected with a negative pressure pipe. The inlet end of the water circulation vacuumizing assembly is communicated with the negative pressure tank through an air inlet pipe, the outlet end of the water circulation vacuumizing assembly is connected with a circulating water assembly through an exhaust pipe, and the circulating water assembly is provided with an exhaust port; and one end of the drainage pipe is connected with the lower end of the circulating water assembly, the other end of the drainage pipe is connected with the inlet end of the water circulation vacuumizing assembly, a first valve control assembly is installed on the drainage pipe, and the first valve control assembly is electrically connected with the control assembly. Noise and energy consumption are reduced, and the device is not sensitive to impurities in gas.

Description

TECHNICAL FIELD

[0001] The utility model relates to negative pressure device technical field especially is related to a water circulation negative pressure device. BACKGROUND

[0002] The negative pressure device is a kind of equipment using vacuum pump or fan to extract air, to form the environment lower than atmospheric pressure in specific area, to realize adsorption, drainage function etc. Its working principle mainly relies on the operation of vacuum pump or fan, reduces internal pressure by extracting air, forms negative pressure area.

[0003] However, the existing negative pressure device has some technical deficiencies in actual application. First, noise problem is more prominent, especially in high load operation, the noise generated by equipment can cause interference to working environment, affect the comfort and work efficiency of operating personnel. Secondly, suction deficiency is also a common problem, especially when processing a large amount of gas or liquid, negative pressure can not provide enough negative pressure, resulting in poor adsorption or drainage effect. In addition, the existing device is sensitive to impurities in gas, and impurities are easy to block the pipeline or damage the pump body, thereby affecting the stability and service life of the equipment.

[0004] Therefore, the technical personnel in the art is committed to developing a water circulation negative pressure device, which not only reduces noise and energy consumption, and is not sensitive to impurities in gas. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem to provide a kind of water circulation negative pressure device, not only reduce noise and energy consumption, and be not sensitive to impurities in gas.

[0006] The technical scheme for solving the above technical problems of the utility model is as follows:

[0007] A kind of water circulation negative pressure device, comprising

[0008] Negative pressure tank, the negative pressure tank is connected with negative pressure pipe;

[0009] Water circulation vacuumizing component, the water circulation vacuumizing component import end is communicated with the negative pressure tank by air inlet pipe, the water circulation vacuumizing component export end is connected with circulating water component by exhaust pipe, and the circulating water component has exhaust port;

[0010] Drainage pipe, one end of the drainage pipe is connected with the lower end of the circulating water component, the other end of the drainage pipe is connected with the water circulation vacuumizing component import end, first valve control component is installed on the drainage pipe, and the first valve control component is electrically connected with control component.

[0011] The beneficial effects of the above scheme are: through the cooperative action of the water circulation vacuum assembly and the circulating water assembly, water has good energy absorption and shock absorption characteristics, can absorb and disperse noise energy during device operation, thereby reducing noise propagation, can effectively reduce noise level, especially during high load operation, reduces the disturbance to the working environment, improves the comfort and work efficiency of the operator, at the same time, water circulation optimizes energy consumption performance, reduces energy consumption during equipment operation, and reduces the heat of the equipment;

[0012] The circulating water assembly can effectively filter and flush impurities in the gas, reduce the blockage or damage of the pump body and the pipeline by the impurities, thereby improving the stability and service life of the device.

[0013] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0014] Further, the water circulation vacuum assembly comprises a water circulation vacuum pump, the water circulation vacuum pump is connected with a power motor, the water circulation vacuum pump is communicated with the upper end of the negative pressure tank through the air inlet pipe, and the output end of the water circulation vacuum pump is connected with the circulating water assembly through the air outlet pipe.

[0015] The beneficial effects of the above further scheme are: the water circulation vacuum pump is used as the water circulation vacuum assembly, the water circulation vacuum pump has the characteristics of low noise and low energy consumption, can significantly reduce equipment noise during operation, and improves energy efficiency performance;

[0016] The water circulation vacuum pump has good corrosion resistance and durability, can stably operate under complex working conditions, and reduces equipment maintenance frequency and cost.

[0017] Further, the circulating water assembly comprises a circulating water tank, the air outlet is arranged on the upper end of the circulating water tank, the upper end of the circulating water tank is connected with the water circulation vacuum assembly through the air outlet pipe, and the lower end of the circulating water tank is communicated with the suction end of the water circulation vacuum pump through the drainage pipe.

[0018] The beneficial effects of the above further scheme are: the circulating water tank enables the gas discharged by the air outlet pipe to be cooled and filtered by circulating water, further reduces noise and reduces damage of impurities to the system, and at the same time, is beneficial to the water circulation vacuum pump to suck and pump the water and gas in the circulating water tank into the circulating water tank to realize water circulation, and the gas is discharged from the air outlet.

[0019] Further, a plurality of branch pipes are arranged in the circulating water tank, the branch pipes are communicated with the air outlet pipe, a honeycomb paper filter screen is installed in the circulating water tank, and the honeycomb paper filter screen is located on the lower side of the branch pipe.

[0020] The beneficial effect of the further scheme is that the honeycomb paper filter screen is located at the lower side of the branch pipe, which can effectively intercept impurities in the circulating water and reduce the risk of pipe and pump body blockage

[0021] Further, the automatic water adding assembly is installed in the circulating water tank.

[0022] The beneficial effect of the further scheme is that the automatic water adding assembly can automatically add water according to the water level in the circulating water tank, so that the system can always maintain sufficient circulating water during operation, and equipment failure caused by water shortage can be avoided.

[0023] Further, the automatic water adding assembly comprises a water adding pipe and a float ball valve assembly, the water adding pipe is communicated with the circulating water tank, and the float ball valve assembly is installed at the outlet end of the water adding pipe and located in the circulating water tank.

[0024] The beneficial effect of the further scheme is that the float ball valve assembly can accurately control the water flow of the water adding pipe, so that the water level in the circulating water tank can always be maintained within an optimal range, and the water level can be prevented from being too high or too low.

[0025] Further, two water circulation vacuumizing assemblies are connected in series on the air inlet pipe.

[0026] The beneficial effect of the further scheme is that the two water circulation vacuumizing assemblies can be used as backup for each other, or used simultaneously when the air extraction amount is large.

[0027] Further, a second valve control assembly is installed on the air inlet pipe, and the second valve control assembly is electrically connected with the control assembly.

[0028] The beneficial effect of the further scheme is that the second valve control assembly installed on the air inlet pipe can accurately control the air flow, so that the device can maintain the optimal negative pressure effect under different working conditions.

[0029] Further, a third valve control assembly is installed on the air outlet pipe, and a fourth valve control assembly is installed on the drainage pipe, and the third valve control assembly and the fourth valve control assembly are electrically connected with the control assembly.

[0030] The beneficial effect of the further scheme is that the third valve control assembly and the fourth valve control assembly on the air outlet pipe and the drainage pipe can accurately adjust the pressure and flow of the air and water, so that the system can be stably operated. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a specific embodiment of the water circulation negative pressure device and shows the overall structure of the device.

[0032] Figure 2For a specific embodiment of the utility model water circulation negative pressure device internal structure diagram Figure 1 ;

[0033] Figure 3 For a specific embodiment of the utility model water circulation negative pressure device internal structure diagram Figure 2 .

[0034] In the drawings, the component list represented by each sign is as follows:

[0035] 1, negative pressure tank;2, negative pressure pipe;3, water circulation vacuum assembly;4, air inlet pipe;5, exhaust pipe;6, circulating water assembly;7, drainage pipe;8, first valve control assembly;9, control assembly;10, water circulation vacuum pump;11, power motor;12, circulating water tank;13, branch pipe;14, honeycomb paper filter screen;15, water filling pipe;16, float ball valve assembly;17, second valve control assembly;18, third valve control assembly;19, fourth valve control assembly;20, box. Specific embodiments

[0036] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0037] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential direction" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the system or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0038] In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0039] In the utility model, unless otherwise specifically specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium;It can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] As Figure 1 , Figure 2 andFigure 3 As shown, a water circulation negative pressure device comprises

[0041] A negative pressure tank 1 is connected with a negative pressure pipe 2, and the negative pressure tank 1 is used for storing and maintaining a negative pressure environment and is connected to an external system requiring to maintain a negative pressure through the negative pressure pipe 2;

[0042] A water circulation vacuumizing assembly 3 is communicated with the negative pressure tank 1 through an air inlet pipe 4 at an inlet end of the water circulation vacuumizing assembly 3, and the main function of the water circulation vacuumizing assembly 3 is to utilize a water circulation mode to extract the gas in the negative pressure tank 1, so as to maintain or enhance a negative pressure state. A circulating water assembly 6 is connected with the water circulation vacuumizing assembly 3 through an air outlet pipe 5 at an outlet end of the water circulation vacuumizing assembly 3, and the circulating water assembly 6 has an air outlet, and the circulating water assembly 6 extracts the gas through the air outlet, and simultaneously realizes water circulation utilization;

[0043] A drainage pipe 7 is connected with the circulating water assembly 6 at one end and connected with the water circulation vacuumizing assembly 3 at the other end, and a first valve control assembly 8 is installed on the drainage pipe 7, and the first valve control assembly 8 is electrically connected with a control assembly 9.

[0044] In the utility model, through the synergistic effect of the water circulation vacuumizing assembly 3 and the circulating water assembly 6, the device can effectively reduce the noise level during operation, especially during high load operation, the interference to the working environment is reduced, the comfort and working efficiency of the operator are improved, simultaneously, the water circulation optimizes the energy consumption performance, reduces the energy consumption during equipment operation, and reduces the heat of the equipment.

[0045] Two water circulation vacuumizing assemblies 3 are connected in series on the air inlet pipe 4, the water circulation vacuumizing assembly 3 comprises a water circulation vacuum pump 10, the water circulation vacuum pump 10 is connected with a power motor 11, the water circulation vacuum pump 10 is communicated with the upper end of the negative pressure tank 1 through the air inlet pipe 4, and the output end of the water circulation vacuum pump 10 is connected with the circulating water assembly 6 through the air outlet pipe 5. The power motor 11 is used for driving the pump body to work, the gas in the negative pressure tank 1 is extracted and sent into the circulating water assembly 6 through the air outlet pipe 5.

[0046] A second valve control assembly 17 is also installed on the air inlet pipe 4, the second valve control assembly 17 is electrically connected with the control assembly 9, a third valve control assembly 18 is installed on the air outlet pipe 5, a fourth valve control assembly 19 is installed on the drainage pipe 7, and the third valve control assembly 18 and the fourth valve control assembly 19 are electrically connected with the control assembly 9. The first valve control assembly 8, the second valve control assembly 17, the third valve control assembly 18 and the fourth valve control assembly 19 can all adopt electric ball valves, the opening degrees of the electric ball valves are accurately controlled through the control assembly 9, so as to adjust the power of the power motor 11 according to the actual situation.

[0047] As shown in Figure 2 , as shown in Figure 3As shown, in some embodiments, the circulating water assembly 6 comprises a circulating water tank 12, an exhaust port is arranged on the upper end of the circulating water tank 12 for discharging the suctioned gas, the upper end of the circulating water tank 12 is connected with the water circulating and vacuum pumping assembly 3 through the exhaust pipe 5, and the lower end of the circulating water tank 12 is communicated with the suction end of the water circulating vacuum pump 10 through the drainage pipe 7.

[0048] As shown, in some embodiments, the circulating water assembly 6 comprises a circulating water tank 12, an exhaust port is arranged on the upper end of the circulating water tank 12 for discharging the suctioned gas, the upper end of the circulating water tank 12 is connected with the water circulating and vacuum pumping assembly 3 through the exhaust pipe 5, and the lower end of the circulating water tank 12 is communicated with the suction end of the water circulating vacuum pump 10 through the drainage pipe 7. Figure 3 As shown, a plurality of branch pipes 13 are further arranged in the circulating water tank 12, the branch pipes 13 are communicated with the exhaust pipe 5, so that the gas and the circulating water in the exhaust pipe 5 are uniformly discharged from the branch pipes 13, a honeycomb paper filter screen 14 is installed in the circulating water tank 12, the honeycomb paper filter screen 14 is located at the lower side of the branch pipes 13, and is used for filtering the impurities in the gas and the circulating water, so as to ensure the cleanliness of the circulating water.

[0049] In the embodiments, in order to ensure the stability of the water level in the circulating water tank 12, the device is further provided with an automatic water adding assembly. Specifically, the automatic water adding assembly comprises a water adding pipe 15 and a float valve assembly 16, the water adding pipe 15 is located at the middle part of the circulating water tank 12, the water adding pipe 15 is communicated with the circulating water tank 12, and the outlet end of the water adding pipe 15 is provided with the float valve assembly 16. The float valve assembly 16 is located in the circulating water tank 12, and the water inflow is automatically controlled through the up-and-down floating of the float, so as to realize the automatic adjustment of the water level.

[0050] The whole device realizes the efficient negative pressure maintenance and water circulation utilization through the cooperative work of the negative pressure tank 1, the water circulating and vacuum pumping assembly 3, the circulating water assembly 6 and the drainage pipe 7, and the negative pressure tank 1, the water circulating and vacuum pumping assembly 3, the circulating water assembly 6 and the drainage pipe 7 are all installed in the box body 20. Through the accurate control of the control assembly 9 on each valve control assembly, the device can flexibly adjust the working state under different working conditions, and ensures the stable operation of the system.

[0051] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0052] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A water circulation negative pressure device, characterized by: The utility model relates to a kind of water circulation vacuum pumping units and water circulation vacuum pumping units. Including Negative pressure tank (1), the negative pressure tank (1) is connected with negative pressure pipe (2); Water circulation vacuum pumping unit (3), the water circulation vacuum pumping unit (3) import end is communicated with the negative pressure tank (1) by air inlet pipe (4), the water circulation vacuum pumping unit (3) export end is connected with circulating water assembly (6) by exhaust pipe (5), and the circulating water assembly (6) has exhaust port; 2. The water cycle negative pressure apparatus according to claim 1, characterized by: Drainage tube (7), one end of the drainage tube (7) is connected with the lower end of the circulating water assembly (6), the other end of the drainage tube (7) is connected with the import end of the water circulation vacuum pumping unit (3), and the first valve control assembly (8) is installed on the drainage tube (7), and the first valve control assembly (8) is electrically connected with control assembly (9).

3. The water cycle negative pressure apparatus according to claim 2, characterized in that: The water circulation vacuum pumping unit (3) includes a water circulation vacuum pump (10), the water circulation vacuum pump (10) is connected with a power motor (11), the water circulation vacuum pump (10) is communicated with the upper end of the negative pressure tank (1) by the air inlet pipe (4), and the output end of the water circulation vacuum pump (10) is connected with the circulating water assembly (6) by the exhaust pipe (5).

4. The water cycle negative pressure apparatus according to claim 3, characterized in that: The circulating water assembly (6) includes a circulating water tank (12), the exhaust port is arranged on the upper end of the circulating water tank (12), the upper end of the circulating water tank (12) is connected with the water circulation vacuum pumping unit (3) by the exhaust pipe (5), and the lower end of the circulating water tank (12) is communicated with the suction end of the water circulation vacuum pump (10) by the drainage tube (7).

5. The water cycle negative pressure device according to claim 3, wherein: A plurality of branch pipes (13) are further arranged in the circulating water tank (12), the branch pipes (13) are communicated with the exhaust pipe (5), and a honeycomb paper filter screen (14) is installed in the circulating water tank (12), and the honeycomb paper filter screen (14) is located on the lower side of the branch pipes (13).

6. The water cycle negative pressure apparatus according to claim 5, wherein: An automatic water adding assembly is further installed in the circulating water tank (12).

7. The water-circulating negative pressure device according to claim 1, characterized by: The automatic water adding assembly includes a water adding pipe (15) and a float ball valve assembly (16), the water adding pipe (15) is communicated with the circulating water tank (12), and the float ball valve assembly (16) is installed at the outlet end of the water adding pipe (15), and the float ball valve assembly (16) is located in the circulating water tank (12).

8. The water cycle negative pressure apparatus according to claim 1, wherein: Two water circulation vacuum pumping units (3) are connected in series on the air inlet pipe (4).

9. The water-circulating negative pressure device according to claim 1, characterized by: A second valve control assembly (17) is further installed on the air inlet pipe (4), and the second valve control assembly (17) is electrically connected with the control assembly (9). A third valve control assembly (18) is installed on the exhaust pipe (5), and a fourth valve control assembly (19) is installed on the drainage tube (7), and the third valve control assembly (18) and the fourth valve control assembly (19) are electrically connected with the control assembly (9).

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