CN211601278U

CN211601278U - Energy-saving cooling system of rubber factory

Info

Publication number: CN211601278U
Application number: CN202020061915.4U
Authority: CN
Inventors: 曲建
Original assignee: Qingdao Xiangjian Industrial Engineering Co ltd
Current assignee: Qingdao Xiangjian Industrial Engineering Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-29
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses an energy-conserving cooling system of rubber mill, including technology pond, temperature sensor A, technology cooling water pump, temperature sensor B, electric three-way valve H, plate heat exchanger, temperature sensor C, rubber process equipment, other filtration equipment, electric three-way valve K, technology cooling tower, electric three-way valve M, frozen water pump and electric refrigerator, technology cooling tower intercommunication technology pond, be equipped with the trunk line on the technology pond, be equipped with heat exchanger inlet tube one, heat exchanger inlet tube two, heat exchanger outlet pipe one and heat exchanger outlet pipe two on the plate heat exchanger, be equipped with cooling water delivery pipe and cooling water wet return on the rubber process equipment, be equipped with chilled water delivery pipe and chilled water wet return on the electric refrigerator. Compared with the prior art, the utility model the advantage lie in: the economical efficiency of cooling of the cooling tower and the high efficiency of cooling of the refrigerating machine are effectively combined.

Description

Energy-saving cooling system of rubber factory

Technical Field

The utility model relates to a rubber mill process equipment cooling technology field specifically indicates a rubber mill energy-saving cooling system.

Background

Rubber plant process equipment generates a large amount of heat during the processing of rubber, which must be absorbed by the process cooling water to ensure that the temperature of the rubber is stable during processing. In order to ensure good cooling effect, the temperature of the process cooling water supplied to the rubber process equipment is generally controlled to be about 25 ℃. Most of rubber factories in the prior stage adopt cooling towers to cool process cooling water, and when outdoor wet balls of the cooling system are higher than 25 ℃ in summer, the cooling effect of process equipment is difficult to ensure, and the product quality of rubber products is directly influenced. In order to ensure the temperature requirement of process equipment on cooling water, a part of rubber factories adopt a refrigerator to take away heat generated by the process equipment, and the cooling mode consumes very high electric energy, which is contrary to the production requirement of energy conservation and consumption reduction.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a rubber mill energy-conserving cooling system of economic nature that has effectively combined the cooling tower cooling and the high efficiency of refrigerator cooling.

In order to solve the technical problem, the utility model provides a technical scheme does: a rubber factory energy-saving cooling system comprises a process water tank, a temperature sensor A, a process cooling water pump, a temperature sensor B, an electric three-way valve H, a plate heat exchanger, a temperature sensor C, rubber process equipment, side filtering equipment, an electric three-way valve K, a process cooling tower, an electric three-way valve M, a chilled water pump and an electric refrigerator, wherein the process cooling tower is communicated with the process water tank, a main pipeline is arranged on the process water tank, a heat exchanger water inlet pipe I, a heat exchanger water inlet pipe II, a heat exchanger water outlet pipe I and a heat exchanger water outlet pipe II are arranged on the plate heat exchanger, a cooling water supply pipe and a cooling water return pipe are arranged on the rubber process equipment, a chilled water supply pipe and a chilled water return pipe are arranged on the electric refrigerator, the process cooling water pump is connected and arranged on the main pipeline, the end part of the cooling water return pipe is respectively communicated with the process cooling tower and the process water tank through an electric three-way valve K, the first heat exchanger water outlet pipe is communicated with a cooling water supply pipe, the chilled water supply pipe is respectively communicated with the second heat exchanger water inlet pipe and the chilled water return pipe through an electric three-way valve M, the chilled water return pipe is communicated with the second heat exchanger water outlet pipe, and the chilled water pump is connected and arranged on the chilled water return pipe.

As an improvement, the temperature sensor A and the temperature sensor B are connected and arranged on the main pipeline and are positioned on two sides of the process cooling water pump.

As an improvement, the temperature sensor A is connected with and controls an electric three-way valve K.

As an improvement, the temperature sensor B is connected with and controls the electric three-way valve H.

As an improvement, the temperature sensor C is connected and arranged on the first water outlet pipe of the heat exchanger, and the temperature sensor C is connected with and controls the electric three-way valve M.

As the improvement, be connected between trunk line and the cooling water wet return and be equipped with other pipeline of straining, other equipment connection that strains sets up on other pipeline of straining.

Compared with the prior art, the utility model the advantage lie in:

1. the cooling system combines the characteristics of economy of cooling tower cooling and high efficiency of refrigerating machine cooling, and saves electric energy consumed by the refrigerating machine to the maximum extent on the premise of ensuring the process use condition. In northern areas, the energy-saving effect is particularly obvious, and the energy consumption of the system is only 30% of that of the cooling mode of all refrigerating machines.

2. The system adopts a high-efficiency automatic control system, is provided with a temperature sensor and an electric three-way valve, can switch the cooling system in real time according to the temperature of the pool, and furthest exerts the energy-saving effect of the system.

3. The system is provided with side filtering equipment, adopts a high-efficiency shallow sand filter, and carries out once total filtration on the process cooling water every day, thereby ensuring the stability and cleanness of the water quality of the process cooling water.

4. The refrigerator of the system adopts special model selection, the temperature of inlet and outlet water is 12-17 ℃, the power consumption of the refrigerator can be saved by 10-15 percent compared with the traditional 7-12 ℃ model, and the system has very good energy-saving effect even in long-term operation.

5. When the system is applied to northern areas, the temperature of the water tank can be automatically adjusted through the electric three-way valve K, and the icing problem is avoided.

Drawings

FIG. 1 is a schematic diagram of the principle system of the energy-saving cooling system of the rubber factory.

As shown in the figure: 1. the system comprises a process water pool, 2, temperature sensors A and 3, a process cooling water pump, 4, temperature sensors B and 5, electric three-way valves H and 6, a plate type heat exchanger, 7, temperature sensors C and 8, rubber process equipment, 9, side filtering equipment, 10, electric three-way valves K and 11, a process cooling tower, 12, electric three-way valves M and 13, a refrigeration water pump, 14, an electric refrigerator, 15, a main pipeline, 16, heat exchanger water inlet pipes I and 17, heat exchanger water inlet pipes II and 18, heat exchanger water outlet pipes I and 19, heat exchanger water outlet pipes II and 20, a cooling water supply pipe, 21, a cooling water return pipe, 22, a cooling water supply pipe, 23, a cooling water return pipe, 24 and a side filtering pipeline.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, an energy-saving cooling system for a rubber factory comprises a process water tank 1, a temperature sensor a2, a process cooling water pump 3, a temperature sensor B4, an electric three-way valve H5, a plate heat exchanger 6, a temperature sensor C7, a rubber process device 8, a side filter device 9, an electric three-way valve K10, a process cooling tower 11, an electric three-way valve M12, a chilled water pump 13 and an electric refrigerator 14, wherein the process cooling tower 11 is communicated with the process water tank 1, the process water tank 1 is provided with a main pipe 15, the plate heat exchanger 6 is provided with a heat exchanger water inlet pipe 16, a heat exchanger water inlet pipe two 17, a heat exchanger water outlet pipe 18 and a heat exchanger water outlet pipe two 19, the rubber process device 8 is provided with a cooling water supply pipe 20 and a cooling water return pipe 21, the electric refrigerator 14 is provided with a chilled water supply pipe 22 and a chilled, the tip of trunk line 15 passes through electric three-way valve H5 and communicates heat exchanger inlet tube 16 and cooling water supply pipe 20 respectively, the tip of cooling water wet return 21 passes through electric three-way valve K10 and communicates technology cooling tower 11 and technology pond 1 respectively, heat exchanger outlet pipe 18 and cooling water supply pipe 20 intercommunication, on the refrigerated water supply pipe 22 communicate heat exchanger inlet tube two 17 and refrigerated water wet return 23 respectively through electric three-way valve M12, refrigerated water wet return 23 and heat exchanger outlet pipe two 19 intercommunication, the refrigerated water pump 13 is connected and is equipped with on refrigerated water wet return 23.

Temperature sensor A2 and temperature sensor B4 are connected and are set up on trunk line 15, are located the both sides of technology cooling water pump 3, the electronic three-way valve K10 of temperature sensor A2 connection control, the electronic three-way valve H5 of temperature sensor B4 connection control, temperature sensor C7 is connected and is set up on heat exchanger outlet pipe 18, the electronic three-way valve M12 of temperature sensor C7 connection control, it is equipped with other filtration pipeline 24 to be connected between trunk line 15 and the cooling water wet return 21, other equipment 9 that strain is connected and is set up on other filtration pipeline 24.

The working principle is as follows:

1. the process cooling water pump 3 takes water from the process water pool 1, when the temperature sensor B4 detects that the temperature of the supplied water is higher than 25 ℃, the electric three-way valve H5 switches the water path to the direction of the plate heat exchanger 6, the plate heat exchanger 6 is utilized to reduce the water temperature to 25 ℃, the temperature sensor C7 monitors the temperature of the process cooling water discharged from the plate heat exchanger 6 in real time, data are fed back to the electric three-way valve M12, and the electric three-way valve M12 controls the flow of the chilled water entering the plate heat exchanger 6 to adjust the temperature of the supplied water of the process; the chilled water is generated by an electric refrigerator 14, and the circulating pressure is provided by a chilled water pump 13; the process cycle enters a workshop to cool the rubber process equipment 8, the temperature of the heated process cooling water is 29 ℃, the process cooling water returns to the process cooling tower 11 to be cooled, and then the process cooling water flows back to the process cooling water tank 1;

2. the process cooling water pump 3 takes water from the process water pool 1, when the temperature sensor B4 detects that the temperature of the supplied water is less than or equal to 25 ℃, the electric three-way valve H5 cuts off the water path to the plate heat exchanger 6, so that the process cooling water directly flows to the rubber process equipment 8, the process circulation enters a workshop to cool the rubber process equipment 8, and the process cooling water after being heated returns to the process cooling tower 11 to be cooled and then flows back to the process cooling water pool 1;

3. when the temperature sensor A2 detects that the temperature of the supplied water is less than 15 ℃, the electric three-way valve K10 bypasses a part of process cooling water to the process water tank 1, so that the temperature of the supplied water of the cooling water is not too low; when the temperature sensor A2 detects that the temperature of the supplied water is higher than 29 ℃, the electric three-way valve K10 closes the water flow in the direction of the process cooling tower 11, so that the water is totally bypassed to the process water tank 1, and the heat of the external high-temperature air is prevented from being transferred into the process cooling water;

4. in order to ensure the stable water quality of the process cooling water, a side filter device 9 is arranged to purify the process cooling water.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The energy-saving cooling system for the rubber factory is characterized in that: comprises a process water tank (1), a temperature sensor A (2), a process cooling water pump (3), a temperature sensor B (4), an electric three-way valve H (5), a plate-type heat exchanger (6), a temperature sensor C (7), rubber process equipment (8), side filter equipment (9), an electric three-way valve K (10), a process cooling tower (11), an electric three-way valve M (12), a chilled water pump (13) and an electric refrigerator (14), wherein the process cooling tower (11) is communicated with the process water tank (1), a main pipeline (15) is arranged on the process water tank (1), a heat exchanger water inlet pipe I (16), a heat exchanger water inlet pipe II (17), a heat exchanger water outlet pipe I (18) and a heat exchanger water outlet pipe II (19) are arranged on the plate-type heat exchanger (6), a cooling water supply pipe (20) and a cooling water return pipe (, a chilled water supply pipe (22) and a chilled water return pipe (23) are arranged on the electric refrigerator (14), the process cooling water pump (3) is connected and arranged on the main pipeline (15), the end part of the main pipeline (15) is respectively communicated with a heat exchanger water inlet pipe I (16) and a cooling water supply pipe (20) through an electric three-way valve H (5), the end part of the cooling water return pipe (21) is respectively communicated with the process cooling tower (11) and the process water pool (1) through an electric three-way valve K (10), the first water outlet pipe (18) of the heat exchanger is communicated with a cooling water supply pipe (20), the chilled water supply pipe (22) is respectively communicated with a second heat exchanger water inlet pipe (17) and a chilled water return pipe (23) through an electric three-way valve M (12), the chilled water return pipe (23) is communicated with a second water outlet pipe (19) of the heat exchanger, the chilled water pump (13) is connected and arranged on the chilled water return pipe (23).

2. The energy-saving cooling system for the rubber factory as claimed in claim 1, wherein: and the temperature sensor A (2) and the temperature sensor B (4) are connected and arranged on the main pipeline (15) and are positioned on two sides of the process cooling water pump (3).

3. The energy-saving cooling system for the rubber factory as claimed in claim 2, wherein: the temperature sensor A (2) is connected with and controls the electric three-way valve K (10).

4. The energy-saving cooling system for the rubber factory as claimed in claim 2, wherein: and the temperature sensor B (4) is connected with and controls the electric three-way valve H (5).

5. The energy-saving cooling system for the rubber factory as claimed in claim 1, wherein: the temperature sensor C (7) is connected and arranged on a first heat exchanger water outlet pipe (18), and the temperature sensor C (7) is connected with and controls the electric three-way valve M (12).

6. The energy-saving cooling system for the rubber factory as claimed in claim 1, wherein: be connected between trunk line (15) and cooling water wet return (21) and be equipped with other pipeline (24) of straining, other equipment (9) of straining is connected and is set up on other pipeline (24) of straining.