CN212133006U

CN212133006U - Vacuum pump cooling system in chemical production

Info

Publication number: CN212133006U
Application number: CN202022203365.8U
Authority: CN
Inventors: 平字胜; 徐好乾; 吴振强
Original assignee: China Catalyst Huabang Dongying Co ltd
Current assignee: China Catalyst Huabang Dongying Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2020-12-11
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a vacuum pump cooling system in chemical production, including the water ring vacuum pump, the water ring vacuum pump is equipped with gaseous phase and advances the pipe, the demineralized water exit tube, the demineralized water advances the pipe and passes through heat exchanger and demineralized water buffer tank intercommunication, demineralized water buffer tank and demineralized water exit tube intercommunication, the heat exchanger is equipped with cold water and advances pipe and cold water exit tube, cold water advances pipe and water pump intercommunication, the water pump is intake and is held parallelly connected with first valve and third valve, the first valve other end and storage water tank outlet intercommunication, the import and the second valve intercommunication of storage water tank, the second valve other end and fourth valve and cold water exit tube intercommunication, the fourth valve other end and the refrigerating unit end of intaking intercommunication, the outlet end of refrigerating unit and the other end intercommunication of third valve. The advantages are that: reasonable in design, simple structure, this system need not lower when the temperature of demineralized water does not need, can stop the refrigerator, replaces low-temperature water with the circulating water, reaches energy saving and consumption reduction's purpose, and the practicality is strong.

Description

Vacuum pump cooling system in chemical production

Technical Field

The utility model relates to a chemical production field, concretely relates to vacuum pump cooling system in chemical production.

Background

In chemical production, the gas phase extracted by a vacuum pump cooling system needs to be instantly cooled by desalted water in the system to achieve the purpose of vacuumizing, the heat in the system is taken away by low-temperature water (the heat exchange is carried out in a heat exchanger in the system), and the operation of the low-temperature water needs to be circularly cooled by a refrigerating unit with 210KW electricity per hour.

When the temperature of the circulating water can also reach the temperature of the vacuum system, the electric quantity consumed by the refrigerating unit is wasted, so that a new technology is needed to reduce the energy consumption.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vacuum pump cooling system in chemical production to the defect that prior art exists.

The technical scheme is as follows: the utility model provides a vacuum pump cooling system among chemical production, includes water ring vacuum pump, water ring vacuum pump be equipped with the gaseous phase and advance pipe, demineralized water exit tube, demineralized water advance the pipe and pass through heat exchanger and demineralized water buffer tank intercommunication, demineralized water buffer tank and demineralized water exit tube intercommunication, the heat exchanger be equipped with cold water and advance pipe and cold water exit tube, cold water advance pipe and water pump intercommunication, the water pump intake end parallelly connected with first valve and third valve, the first valve other end and storage water tank outlet intercommunication, the import and the second valve intercommunication of storage water tank, the second valve other end and fourth valve and cold water exit tube intercommunication, the fourth valve other end and the refrigerating unit intake end intercommunication, the other end intercommunication of the play water end of refrigerating unit and third valve.

Furthermore, the top of the demineralized water buffer tank is provided with an emptying main pipe.

Compared with the prior art, the utility model, have following advantage: reasonable in design, simple structure, this system need not lower when the temperature of demineralized water does not need, can stop the refrigerator, replaces low-temperature water with the circulating water, reaches energy saving and consumption reduction's purpose, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a view of the structure of the process of the present invention;

the system comprises a water ring vacuum pump 1, a water ring vacuum pump 2, a heat exchanger 3, a demineralized water buffer tank 4, a water pump 5, a first valve 6, a second valve 7, a third valve 8, a fourth valve 9, a refrigerating unit 10, a water storage tank 11, a gas phase inlet pipe 12, a vent header pipe 13, a demineralized water outlet pipe 14, a demineralized water inlet pipe 15, a cold water inlet pipe 16 and a cold water outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, a vacuum pump cooling system in chemical production comprises a water ring vacuum pump 1, wherein the water ring vacuum pump 1 is provided with a gas phase inlet pipe 11, a demineralized water inlet pipe 14 and a demineralized water outlet pipe 13, the demineralized water inlet pipe 14 is communicated with an outlet of a demineralized water buffer tank 3 through a heat exchanger 2, an inlet of the demineralized water buffer tank 3 is communicated with the demineralized water outlet pipe 13, the heat exchanger 2 is provided with a cold water inlet pipe 15 and a cold water outlet pipe 16, the cold water inlet pipe 15 is communicated with a water pump 4, a water inlet end of the water pump 4 is connected with a first valve 5 and a third valve 7 in parallel, the other end of the first valve 5 is communicated with an outlet of a water storage tank 10, an inlet of the water storage tank 10 is communicated with a second valve 6, the other end of the second valve 6 is communicated with a fourth valve 8 and the cold water outlet pipe 16, the other end of the fourth valve 8 is communicated with a water inlet end of a, the water outlet end of the refrigerating unit 9 is communicated with the other end of the third valve 7; and a vent main pipe 12 is arranged at the top of the demineralized water buffer tank 3.

When the system runs at ordinary times, the demineralized water in the demineralized water buffer tank 3 flows through the heat exchanger 2 and then flows to the water ring vacuum pump 1 for circulation; the water that refrigerating system came out through refrigerating unit 9 enters into heat exchanger 2 through third valve 7 to water pump 4, again through fourth valve 8 and return to refrigerating unit 9, when the temperature has reached low temperature and need not continue to refrigerate, can close third valve 7, fourth valve 8, open valve first valve 5, second valve 6, use the circulating water, through the hydrologic cycle cooling in the storage water tank 10, also can open first valve 5, second valve 6, reduce the aperture of third valve 7, fourth valve 8, in order to reach the purpose that the refrigerator reduces the energy consumption.

The structure and connection relation not mentioned are common knowledge.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a vacuum pump cooling system among chemical production, includes water ring vacuum pump (1), water ring vacuum pump (1) be equipped with gaseous phase and advance pipe (11), demineralized water advances pipe (14), demineralized water exit tube (13), its characterized in that: the desalted water inlet pipe (14) is communicated with the outlet of the desalted water buffer tank (3) through the heat exchanger (2), the inlet of the demineralized water buffer tank (3) is communicated with a demineralized water outlet pipe (13), the heat exchanger (2) is provided with a cold water inlet pipe (15) and a cold water outlet pipe (16), the cold water inlet pipe (15) is communicated with the water pump (4), the water inlet end of the water pump (4) is connected with the first valve (5) and the third valve (7) in parallel, the other end of the first valve (5) is communicated with the outlet of the water storage tank (10), the inlet of the water storage tank (10) is communicated with a second valve (6), the other end of the second valve (6) is communicated with a fourth valve (8) and a cold water outlet pipe (16), the other end of the fourth valve (8) is communicated with the water inlet end of the refrigerating unit (9), the water outlet end of the refrigerating unit (9) is communicated with the other end of the third valve (7).

2. The cooling system for the vacuum pump in the chemical production according to claim 1, wherein: and a venting header pipe (12) is arranged at the top of the demineralized water buffer tank (3).