CN-224230126-U - Heat recycling system

CN224230126UCN 224230126 UCN224230126 UCN 224230126UCN-224230126-U

Abstract

The application provides a heat recycling system which comprises a circulating water tank, a circulating water pipeline and a first recycling pipeline, wherein the circulating water tank is communicated with a thermal circulation system of an air conditioner, cooling backwater enters the thermal circulation system to supply heat in an environment with the environment temperature lower than a first preset temperature, the circulating water pipeline is used for conveying the cooling backwater used for cooling equipment in a production line, and the cooling backwater in the circulating water pipeline enters the circulating water tank through the first recycling pipeline. The heat recycling system is communicated with the circulating water tank through the first recycling pipeline, and enables the cooling backwater with higher temperature to be directly used for heating by the heat circulating system in a low-temperature environment, so that heat in the cooling backwater is recycled for production heating, the air conditioning heating of the heat pump unit is not needed, the energy consumption is saved, the service life of the air conditioner of the heat pump unit is prolonged, the cooling backwater is not needed to be cooled any more, the service frequency of a cooling tower is reduced, and the service life of the cooling tower is prolonged.

Inventors

ZHAO KANG
GU JIANDING
SHEN GUOQIANG
XIA SHILONG
WU YI

Assignees

巨石集团淮安有限公司

Dates

Publication Date: 20260512
Application Date: 20250606

Claims (10)

1. A heat recovery system, the heat recovery system comprising: The circulating water tank is used for storing cooling backwater, the circulating water tank is communicated with a thermal circulation system of the air conditioner, and the cooling backwater is used for entering the thermal circulation system to supply heat in an environment with the environment temperature lower than a first preset temperature; The circulating water pipeline is communicated with the cooling water pipeline of the production line and is used for conveying the cooling backwater used for cooling the equipment in the production line; The first recovery pipeline is respectively communicated with the circulating water pipeline and the circulating water pond, the first recovery pipeline is provided with a first valve, the first valve is in an open state, and cooling backwater in the circulating water pipeline enters the circulating water pond through the first recovery pipeline.
2. The heat recovery and utilization system of claim 1, further comprising: the cooling assembly is used for cooling the cooling backwater and then conveying the cooled backwater to the circulating water tank when the ambient temperature is higher than a second preset temperature; The second recovery pipeline is respectively communicated with the circulating water pipeline and the cooling assembly, the second recovery pipeline is provided with a second valve, the first valve is in a closed state and the second valve is in an open state, and the cooling backwater in the circulating water pipeline enters the circulating water tank through the second recovery pipeline.
3. The heat recovery and utilization system according to claim 2, wherein, And the height of the first recovery pipeline is lower than that of the second recovery pipeline along the depth direction of the circulating water tank.
4. The heat recovery and utilization system according to claim 2, wherein, The cooling assembly comprises a cooling tower and a cooling fan, wherein the cooling fan is used for driving air flow to flow in the cooling tower so as to form cooling air flow to cool the cooling backwater.
5. The heat recovery and utilization system of claim 2, wherein the cooling assembly further comprises: the water collector is used for receiving and collecting the cooling backwater flowing out of the second recovery pipeline; And the steam trap is arranged in a lamination manner with the water collector, and is used for filtering the cooling backwater in the water collector.
6. The heat recovery and utilization system according to claim 2, wherein, At least one of the first valve and the second valve is an electric valve, and the heat recycling system further comprises a controller which is in signal connection with the electric valve.
7. The heat recovery and utilization system according to claim 6, wherein, The controller includes a temperature sensor for detecting an ambient temperature.
8. The heat recovery and utilization system according to claim 2, wherein, The first valve and the second valve are manual valves.
9. The heat recovery and utilization system according to claim 3, wherein, The second valve is a check valve, and the setting height of the check valve along the depth direction of the circulating water tank is higher than that of the first valve.
10. The heat recovery and utilization system according to claim 2, wherein, The junction of first recovery pipeline with the circulating water pipeline, the junction of first recovery pipeline with the circulating water pond, the junction of circulating water pipeline with the second recovery pipeline all pass through high strength bolted connection respectively.

Description

Heat recycling system Technical Field The application relates to the field of glass fiber production, in particular to a heat recycling system. Background In the production process of glass fibers, a large amount of cooling backwater at about 30 ℃ is generated by using a kiln, a bushing and air compression equipment, the cooling backwater is cooled to about 18 ℃ by a cooling tower, then is injected into a water tank to be supplied to the kiln, the bushing and the air compression equipment again to be used as cooling backwater, and when heating a workshop in winter, the cooled cooling backwater is also used as a water source to be injected into a heat pump unit air conditioner for workshop heating. At present, the cooling backwater with higher temperature is firstly cooled and then heated by the heat pump unit, wherein heat is wasted, the heat pump unit air conditioner heating power consumption is high, the equipment maintenance cost is high, and the frequent cooling of the cooling backwater leads to high use frequency, short service life and high energy consumption of the cooling tower. Disclosure of utility model The application provides a heat recycling system, which aims to solve the problems that the heat of the cooling backwater with higher temperature is wasted and the power consumption of a heat pump unit is high during heating in winter. The application provides a heat recycling system, which comprises: The circulating water tank is used for storing cooling backwater, the circulating water tank is communicated with a thermal circulation system of the air conditioner, and the cooling backwater is used for entering the thermal circulation system to supply heat in an environment with the environment temperature lower than a first preset temperature; The circulating water pipeline is communicated with the cooling water pipeline of the production line and is used for conveying the cooling backwater used for cooling the equipment in the production line; The first recovery pipeline is respectively communicated with the circulating water pipeline and the circulating water pond, the first recovery pipeline is provided with a first valve, the first valve is in an open state, and cooling backwater in the circulating water pipeline enters the circulating water pond through the first recovery pipeline. Wherein, the heat recovery utilizes the system still includes: the cooling assembly is used for cooling the cooling backwater and then conveying the cooled backwater to the circulating water tank when the ambient temperature is higher than a second preset temperature; The second recovery pipeline is respectively communicated with the circulating water pipeline and the cooling assembly, the second recovery pipeline is provided with a second valve, the first valve is in a closed state and the second valve is in an open state, and the cooling backwater in the circulating water pipeline enters the circulating water tank through the second recovery pipeline. And the height of the first recovery pipeline is lower than that of the second recovery pipeline along the depth direction of the circulating water tank. The cooling assembly comprises a cooling tower and a cooling fan, wherein the cooling fan is used for driving air flow to flow in the cooling tower so as to form cooling air flow to cool the cooling backwater. Wherein the cooling assembly further comprises: the water collector is used for receiving and collecting the cooling backwater flowing out of the second recovery pipeline; And the steam trap is arranged in a lamination manner with the water collector, and is used for filtering the cooling backwater in the water collector. At least one of the first valve and the second valve is an electric valve, and the heat recycling system further comprises a controller which is in signal connection with the electric valve. Wherein the controller includes a temperature sensor for detecting an ambient temperature. Wherein the first valve and the second valve are manual valves. The second valve is a check valve, and the setting height of the check valve along the depth direction of the circulating water tank is higher than that of the first valve. The connecting parts of the first recovery pipeline and the circulating water pipeline, the connecting parts of the first recovery pipeline and the circulating water tank and the connecting parts of the circulating water pipeline and the second recovery pipeline are respectively connected through high-strength bolts. Compared with the prior art, the heat recycling system has the advantages that the first recycling pipeline is arranged to be communicated with the circulating water tank, the cooling backwater with higher temperature is directly used for heating by the heat circulating system in a low-temperature environment, heat in the cooling backwater is recycled for production heating, the air conditioning heating of the heat pump unit is not needed, the energy consumption is sav