Vacuum pump vortex jet cooling pipe and system thereof

Abstract

The utility model belongs to the technical field of vortex cooling pipes, and provides a vacuum pump vortex jet cooling pipe and a system thereof. One end of the flow guide pipe is provided with a cold air outlet, and the other end of the flow guide pipe is provided with the flow limiter; the flow guide pipe is sleeved with the interlayer sleeve, and a gas inlet is formed in the interlayer sleeve; the air inlet is communicated with the flow guide pipe, the air inlet is located in the radial direction of the flow guide pipe, the air inlet is communicated with an air source and used for introducing air into the flow guide pipe, the interlayer sleeve enables the air to rotate in the flow guide pipe to form vortex, and hot air is discharged from the hot air outlet of the flow limiter. Cold air is discharged from the cold air outlet; compared with the prior art, operation of a cooling-water machine is not needed, electric energy is saved, and cost is reduced; the mechanical structure is simple and stable, normal operation of equipment is guaranteed, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of vortex cooling pipe, and specifically relates to a vacuum pump vortex jet cooling pipe and system thereof. BACKGROUND

[0002] The cooling of the vacuum pump is currently realized by a refrigerating machine, and the basic structure and principle are that the refrigerating machine takes away the heat generated by the vacuum pump through refrigerant or water circulation, however, this mode has the following problems: 1. the refrigerating machine is needed to cool water, and electric energy is consumed; 2. cooling water is needed, and water pipes need to be arranged, and material cost is needed; 3. the cooling water is affected by the refrigerating machine or weather or water pipe cleanliness; 4. when water cooling occurs leakage, it may cause electrical system line short circuit, and there is great risk; 5. vibration occurs during equipment operation, and the service life of the pipeline is shortened, thereby causing leakage; the utility model is directed to these problems, and proposes a vacuum pump vortex jet cooling pipe and system thereof, which utilizes the principle of air refrigeration to cool the vacuum pump by a pure mechanical mechanism, can reduce the use of water energy, can also guarantee normal operation of the equipment and avoid foreign matters from entering the vacuum pump to cause faults, the pure mechanical structure is stable and durable, and the cost is low. SUMMARY

[0003] To solve the above technical problems, the utility model provides a vacuum pump vortex jet cooling pipe and system thereof to solve the problems in the prior art, and the technical scheme adopted by the utility model is:

[0004] The vacuum pump vortex jet cooling pipe comprises a flow guide pipe, a flow restrictor and a sandwiched sleeve.

[0005] One end of the flow guide pipe is provided with a cold air outlet, and the other end of the flow guide pipe is provided with the flow restrictor.

[0006] The sandwiched sleeve is arranged on the flow guide pipe, and a gas inlet is arranged on the sandwiched sleeve; the gas inlet is communicated with the flow guide pipe, the gas inlet is located in the radial direction of the flow guide pipe, the gas inlet is communicated with a gas source, and is used for introducing air into the flow guide pipe; the sandwiched sleeve makes the air rotate in the flow guide pipe to form a vortex, hot air is discharged from the hot gas outlet of the flow restrictor, and cold air is discharged from the cold air outlet.

[0007] Further, an annular cavity is formed between the sandwiched sleeve and the outer surface of the flow guide pipe, the gas inlet is communicated with the annular cavity, a flow guide pipe air hole is arranged on the flow guide pipe, the flow guide pipe air hole is located in the annular cavity, and the flow guide pipe air hole is arranged to be inclined relative to the axis of the flow guide pipe, so that the air rotates towards the flow restrictor.

[0008] Further, a plurality of flow guide pipe air holes are arranged around the circumference of the flow guide pipe.

[0009] Further, the flow restrictor comprises a cylinder, a flow restrictor baffle head and an end plate.

[0010] The cylinder is sleeved on the flow guide pipe, the cylinder is fixedly connected with the end plate, the inner side of the end plate is fixedly connected with the flow restrictor baffle head, the flow restrictor baffle head is inserted into the flow guide pipe, an annular space is formed between the flow restrictor baffle head and the inner side of the flow guide pipe, the hot gas outlet is arranged on the end plate, the hot gas outlet is in the structure of an arc-shaped hole, the hot gas outlet is communicated with the flow guide pipe, the hot gas outlet is matched with the annular space, and the hot gas outlet is arranged around the flow restrictor baffle head.

[0011] Further, the flow restrictor baffle head is in a conical structure, and the end with a smaller diameter faces inwards.

[0012] Further, the cylinder is connected with the flow guide pipe through a flow-restricting locking screw.

[0013] The vacuum pump vortex jet cooling system comprises a cooling pipeline and three branch pipes, the three branch pipes are connected in parallel to the cooling pipeline, the three branch pipes are connected with two ends and a middle part of the vacuum pump respectively, the cooling pipeline is communicated with the cold gas outlet, and first, second and third valves are arranged on the three branch pipes respectively.

[0014] Further, temperature sensors are arranged on positions where the three branch pipes are communicated with the vacuum pump.

[0015] Further, the hot gas outlet is communicated with the vacuum pump through a hot gas pipeline, a fourth valve is arranged on the hot gas pipeline, and a third temperature sensor is arranged on a position where the hot gas pipeline is communicated with the vacuum pump.

[0016] Compared with the prior art, the utility model discloses a vacuum pump vortex jet cooling pipe, which does not need the operation of the water chiller, saves electric energy and reduces cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of vacuum pump vortex jet cooling pipe of the utility model;

[0018] Figure 2 It is the section view schematic diagram of vacuum pump vortex jet cooling pipe;

[0019] Figure 3 It is flow-restricting locking screw schematic diagram;

[0020] Figure 4 is a schematic diagram of the overall structure of a vacuum pump vortex jet cooling system. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below. Figures 1-4 The technical solutions in the embodiments of the present application will be clearly and completely described below.

[0022] As Figures 1-3 , the vacuum pump vortex jet cooling pipe comprises a flow guide pipe 4, a flow restrictor 5, and a sandwiched sleeve 3.

[0023] One end of the flow guide pipe 4 is provided with a cold air outlet 1, and the other end of the flow guide pipe 4 is provided with the flow restrictor 5.

[0024] The flow guide pipe 4 is provided with the sandwiched sleeve 3, and the sandwiched sleeve 3 is provided with a gas inlet 2.

[0025] According to the principle of the vortex tube, after the air in the flow guide pipe 4 forms a vortex, different parts of the air have different energy states, and heat exchange and energy separation phenomena occur during the vortex motion.

[0026] Specifically, the gas enters through the gas inlet 2 and has a certain pressure, enters the flow guide pipe 4 through the flow guide pipe air hole 9, and moves towards the flow restrictor 5.

[0027] Compared with the prior art, the utility model need not the operation of cold water machine, saves electric energy, reduces cost, mechanical structure is simple and stable, guarantees equipment normal operation, prolongs the life, does not need to first check the water in the pipeline when disassembling maintenance, can directly disassemble and has no leakage risk, adopts the principle of vortex tube, realizes the effective separation of hot air and cold air, makes the cold air can be directly used for the cooling of vacuum pump, improves the cooling efficiency.

[0028] Further, the annular cavity is formed between the interlayer sleeve 3 and the outer surface of the flow guide pipe 4, the gas inlet 2 communicates with the annular cavity, the flow guide pipe air hole 9 is arranged on the flow guide pipe 4, the flow guide pipe air hole 9 is located in the annular cavity, and the flow guide pipe air hole 9 is arranged inclinedly relative to the axis of the flow guide pipe 4, so that air rotates towards the flow restrictor 5.

[0029] Further, the flow guide pipe air hole 9 is provided with a plurality of flow guide pipe air holes 9, and the plurality of flow guide pipe air holes 9 are uniformly distributed around the circumference of the flow guide pipe 4.

[0030] The flow guide pipe air hole 9 and the flow guide pipe 4 axis form a certain angle, for example, 45° angle, the purpose is to let the entering gas rotate in the 4 flow guide pipe and form vortex, which makes the gas get rapid cooling.

[0031] Further, the flow restrictor 5 includes a cylinder, a flow restrictor baffle head 8 and an end plate.

[0032] The cylinder is sleeved on the flow guide pipe 4, the end of the cylinder is fixedly connected with the end plate, the inner side of the end plate is fixedly connected with the flow restrictor baffle head 8, the flow restrictor baffle head 8 is inserted into the flow guide pipe 4, an annular space is formed between the flow restrictor baffle head 8 and the inner side of the flow guide pipe 4, the hot gas outlet 6 is arranged on the end plate, the hot gas outlet 6 is in the structure of arc-shaped hole, the hot gas outlet 6 communicates with the flow guide pipe 4, the hot gas outlet 6 is matched with the annular space, and the hot gas outlet 6 is arranged around the flow restrictor baffle head 8.

[0033] Further, the flow restrictor baffle head 8 is in the structure of cone, and the end with a smaller diameter faces inwards.

[0034] By arranging the conical flow restrictor baffle head 8, when air passes through the flow restrictor 5, the air is guided and hindered by the flow restrictor baffle head 8, so that the effective separation of hot air and cold air is realized. The design of the flow restrictor baffle head 8 in the structure of cone not only optimizes the air flow path, but also enhances the vortex effect, so that heat exchange is more efficient.

[0035] Further, the cylinder is connected with the flow guide pipe 4 through the flow limiting locking screw 7.

[0036] As Figure 4, the vacuum pump vortex jet cooling system comprises a cooling pipeline and three branch pipes, the three branch pipes are connected in parallel to the cooling pipeline, the three branch pipes are connected to two ends and a middle part of the vacuum pump respectively, the cooling pipeline is connected with the cold gas outlet 1, and the first valve 10, the second valve 11 and the third valve 13 are arranged on the three branch pipes respectively.

[0037] Further, temperature sensors are arranged on positions where the three branch pipes are connected with the vacuum pump, and the temperature sensors are respectively a first temperature sensor 16, a second temperature sensor 17 and a fourth temperature sensor 19.

[0038] Further, the hot gas outlet 6 is connected with the vacuum pump through a hot gas pipeline, the fourth valve 14 is arranged on the hot gas pipeline, and a third temperature sensor 18 is arranged on a position where the hot gas pipeline is connected with the vacuum pump.

[0039] Through the design of the cooling pipeline and the three branch pipes, effective cooling of different parts of the vacuum pump can be realized, and the uniformity and comprehensiveness of cooling are ensured. The first valve 10, the second valve 11 and the third valve 13 are arranged, so that the operator can flexibly adjust the cooling flow of each branch pipe according to actual needs, so as to achieve the best cooling effect. The first temperature sensor 16, the second temperature sensor 17 and the fourth temperature sensor 19 can monitor the temperature of each part of the vacuum pump in real time, and provide accurate temperature data for the operator, so as to timely adjust the cooling strategy.

[0040] The vacuum pump itself needs to be cooled or heated, so the cold gas of the cold gas outlet 1 is collected to cool the pump, and the working principle is that the control end 15 detects the temperature of each part of the vacuum pump in real time through the first temperature sensor 16, the second temperature sensor 17 and the fourth temperature sensor 19, and sets a maintenance temperature value in the system, and when the set value is exceeded, the system controls the first valve 10, the second valve 11 and the third valve 13 logically, so as to ensure that the temperature values of each part of the vacuum pump are within the set range; the purpose of connecting the hot gas outlet 6 with the vacuum pump through the hot gas pipeline is to heat the medium, and the principle is consistent with the cooling, and the difference lies in that heating is only performed in special cases, such as ensuring that the dust generated by the process and the like can enter the vacuum pump and can be dried without condensation.

[0041] The branch pipes can be wound on the vacuum pump, heat dissipation fins, fans and other components are arranged to realize heat dissipation and provide cold air flow.

[0042] The above-described embodiments only describe the preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations, modifications, replacements and changes of the technical solutions of the utility model made by ordinary skilled in the art without departing from the design spirit of the utility model shall fall within the protection scope determined by the claim of the utility model.

Claims

1. A vacuum pump eddy jet cooling tube, characterized by, It comprises a flow guide pipe (4), a flow restrictor (5) and a sandwich sleeve (3); One end of the flow guide pipe (4) is provided with a cold air outlet (1), and the other end of the flow guide pipe (4) is provided with the flow restrictor (5); The flow guide pipe (4) is provided with the sandwich sleeve (3), and the sandwich sleeve (3) is provided with a gas inlet (2); the gas inlet (2) is communicated with the flow guide pipe (4), the gas inlet (2) is located in the radial direction of the flow guide pipe (4), the gas inlet (2) is communicated with a gas source, and the gas inlet (2) is used for introducing air into the flow guide pipe (4); the sandwich sleeve (3) makes the air rotate in the flow guide pipe (4) to form a vortex, so that hot air is discharged from the hot air outlet (6) of the flow restrictor (5), and cold air is discharged from the cold air outlet (1).

2. The vacuum pump eddy jet cooling tube of claim 1, wherein, An annular cavity is formed between the sandwich sleeve (3) and the outer surface of the flow guide pipe (4), the gas inlet (2) is communicated with the annular cavity, the flow guide pipe (4) is provided with a flow guide pipe air hole (9), the flow guide pipe air hole (9) is located in the annular cavity, and the flow guide pipe air hole (9) is inclined relative to the axis of the flow guide pipe (4), so that the air rotates towards the flow restrictor (5).

3. The vacuum pump eddy jet cooling tube of claim 2, wherein, A plurality of flow guide pipe air holes (9) are arranged around the circumference of the flow guide pipe (4).

4. The vacuum pump eddy jet cooling tube of claim 1, wherein, The flow restrictor (5) comprises a cylinder, a flow restrictor flow blocking head (8) and an end plate; The cylinder is sleeved on the flow guide pipe (4), the end of the cylinder is fixedly connected with the end plate, the inner side of the end plate is fixedly connected with the flow restrictor flow blocking head (8), the flow restrictor flow blocking head (8) is inserted into the flow guide pipe (4), an annular space is formed between the flow restrictor flow blocking head (8) and the inner side of the flow guide pipe (4), the hot air outlet (6) is arranged on the end plate, the hot air outlet (6) is an arc-shaped hole structure, the hot air outlet (6) is communicated with the flow guide pipe (4), the hot air outlet (6) is matched with the annular space, and the hot air outlet (6) is arranged around the flow restrictor flow blocking head (8).

5. The vacuum pump eddy jet cooling tube of claim 4, wherein, The flow restrictor flow blocking head (8) is in a conical structure, and the end with a smaller diameter faces inward.

6. The vacuum pump eddy jet cooling tube of claim 4, wherein, The cylinder is connected with the flow guide pipe (4) through a flow limiting locking screw (7).

7. A vacuum pump eddy jet cooling system employing the vacuum pump eddy jet cooling tube of claim 1, characterized by, It comprises a cooling pipeline and three branch pipes, the three branch pipes are connected in parallel to the cooling pipeline, the three branch pipes are respectively connected to two ends and a middle part of a vacuum pump, the cooling pipeline is communicated with the cold air outlet (1), and first, second and third valves (10, 11 and 13) are respectively arranged on the three branch pipes.

8. The vacuum pump eddy jet cooling system of claim 7, wherein, Temperature sensors are arranged on positions where the three branch pipes are communicated with the vacuum pump.

9. The vacuum pump eddy jet cooling system of claim 7, wherein, The hot air outlet (6) is communicated with the vacuum pump through a hot air pipeline, a fourth valve (14) is arranged on the hot air pipeline, and a third temperature sensor (18) is arranged on a position where the hot air pipeline is communicated with the vacuum pump.

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