CN210919378U

CN210919378U - Heat insulation structure based on waste heat utilization of air compressor

Info

Publication number: CN210919378U
Application number: CN201822277889.4U
Authority: CN
Inventors: 黄于于
Original assignee: Guangdong Wenbo Energy Saving Environmental Protection Technology Co ltd
Current assignee: Guangdong Wenbo Energy Saving Environmental Protection Technology Co ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-07-03
Anticipated expiration: 2028-12-29

Abstract

The utility model belongs to the waste heat utilization field of air compressor machine specifically is a heat-proof structure based on air compressor machine waste heat utilization of waste heat to environment humidification of usable air compressor machine, including air compressor machine, heat exchanger and hot-water tank be equipped with the oil return circuit that supplies the lubricating oil circulation of air compressor machine between air compressor machine and the heat exchanger be equipped with the water return circuit that supplies water circulation between heat exchanger and the hot-water tank be equipped with the moisturizing valve on the pipeline of water return circuit, hot-water tank upper portion is equipped with the case lid the outer cladding of pipeline of water return circuit has the insulating layer, the hot-water tank include outer box and interior box, seted up the water inlet in the lower part of box lateral wall including, water inlet department is equipped with the water intaking valve, the space that forms between the pipeline intercommunication outer box of water return.

Description

Heat insulation structure based on waste heat utilization of air compressor

Technical Field

The utility model relates to an air compressor machine waste heat utilization technical field especially relates to a thermal-insulated structure based on air compressor machine waste heat utilization.

Background

The air compressor is a device used for compressing gas, and is widely applied, when the air compressor works, the air compressor converts electric energy into mechanical energy and heat energy, wherein the heat energy occupies a large proportion, the temperature of lubricating oil is usually high when the air compressor works, a large amount of waste heat can be generated after long-time operation, and if the waste heat is not recovered, great energy waste can be caused. Based on this kind of current situation, the recovery unit or the recovery system of air compressor machine waste heat has appeared at present. The waste heat utilization of the existing air compressor is generally used for carrying out heat exchange with water, and generally, hot water is sent to a bath hot water tank, a boiler preheating water tank or a heating circulating water tank when the hot water is needed, and the hot water is not utilized on site and needs to be transported, so that heat energy loss also exists in the transportation process, the existing air humidification generally needs extra energy, the waste heat utilization of the air compressor also needs diversification, and the waste heat utilization of the air compressor is a very necessary technical problem to be solved when the air compressor is needed.

Disclosure of Invention

To the above problem, the utility model provides a waste heat of usable air compressor machine is to environment humidification's thermal-insulated structure based on air compressor machine waste heat utilization.

The heat insulation structure based on the utilization of the waste heat of the air compressor comprises the air compressor, a heat exchanger and a hot water tank, wherein an oil loop for the circulation of lubricating oil of the air compressor is arranged between the air compressor and the heat exchanger, a water loop for the circulation of water is arranged between the heat exchanger and the hot water tank, a water replenishing valve is arranged on a pipeline of the water loop, a box cover is arranged on the upper portion of the hot water tank, a heat insulation layer is coated outside the pipeline of the water loop, the hot water tank comprises an outer box body and an inner box body, a water inlet is formed in the lower portion of the side wall of the inner box body, a water inlet valve is arranged at the position of the water inlet, and.

The utility model has the advantages that: 1. the pipeline of the water loop is coated with a heat insulation layer, so that hot water subjected to heat exchange by the heat exchanger is prevented from losing too much heat before flowing to the hot water tank, and the heat insulation effect is achieved; 2. the utility model designs the hot water tank into the hot water tank with the inner tank body and the outer tank body, when the environment is not needed to be humidified, the tank cover is opened, the water inlet valve is opened, then the tank cover is covered, the hot water which is subjected to heat exchange through the heat exchanger is stored in the space formed between the inner tank body and the outer tank body, and the hot water which flows into the space between the outer tank body and the inner tank body through the water loop flows into the inner tank body through the water inlet valve, namely the space between the inner tank body and the outer tank body is simultaneously used for storing the hot water without influencing the water storage quantity, so that when the hot water is needed to be used, the stored hot water is sent into the bathing hot water tank, the boiler preheating water tank or the heating circulating water tank for utilization, when the environment is needed to be humidified, the tank cover is opened, the water inlet valve is closed, tap water is injected into the inner tank body, the tank cover is kept open, under the condition, therefore, tap water in the inner box body is heated, and the box cover is opened, so that steam is generated after the tap water in the inner box body is heated and escapes from the upper part of the inner box body, and the environment is humidified.

The utility model discloses the scheme is when needs, and the waste heat of usable air compressor machine makes the utilization of air compressor machine waste heat more diversified to the environment humidification.

Further, a circulating pump is arranged on the water loop. For circulation of water in the water circuit.

Furthermore, temperature sensors are arranged on the oil outlet management of the water loop and the oil loop, and the temperature sensors of the water loop are arranged close to the outer wall of the pipe of the water loop. Temperature sensors are provided for detecting the temperature on the oil and water circuits.

Further, a humidity sensor is arranged on a pipeline of the water loop and close to the hot water tank, and the humidity sensor is used for controlling the water inlet valve to be closed when the humidity of the detected air is smaller than a humidity threshold value.

Has the advantages that: according to the design, the humidity sensor is used for automatically detecting the environment humidity, and the water inlet valve is controlled to be closed when the detected air humidity is smaller than the humidity threshold value, so that the automatic control of the opening and closing of the water inlet valve can be realized.

Furthermore, the oil loop comprises an oil outlet pipeline of the lubricating oil and an oil inlet pipeline of the lubricating oil, an oil return pipeline is further arranged between the oil outlet pipeline and the oil inlet pipeline, and a three-way bypass valve is arranged at the communication position of the oil outlet pipeline and the oil return pipeline. The three-way bypass valve is arranged, if the temperature of the lubricating oil coming out of the air compressor is higher than the set temperature, the three-way bypass valve opens the oil outlet pipeline, the lubricating oil enters the heat exchanger for heat exchange, if the temperature of the lubricating oil is lower than the set temperature, the three-way bypass valve opens the oil outlet pipeline and the oil return pipeline, the lubricating oil directly flows back to the air compressor, and the lubricating oil does not need to be subjected to heat exchange.

Drawings

Fig. 1 is the utility model discloses heat-insulating structure embodiment's based on air compressor machine waste heat utilization schematic diagram.

Fig. 2 is the utility model discloses the structural schematic of hot-water tank in the thermal-insulated structural embodiment based on air compressor machine waste heat utilization.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises an air compressor 1, a three-way bypass valve 2, a heat exchanger 3, a pressure gauge 4, a hot water tank 5, an electric valve 6, a stop valve 7, a circulating pump 8, a tank cover 10, a water loop 11, a heat insulation layer 12 and a humidity sensor 13.

The embodiment is basically as shown in the attached figures 1 and 2: this embodiment is based on heat-insulating structure of air compressor machine waste heat utilization, including air compressor machine 1, heat exchanger 3 and hot-water tank 5 be equipped with the oil return circuit that supplies the lubricating oil circulation of air compressor machine between air compressor machine and the heat exchanger, in this embodiment, the oil return circuit includes the oil outlet pipeline of lubricating oil and the oil inlet pipeline of lubricating oil, still is equipped with back oil pipe way between oil outlet pipeline and the oil inlet pipeline, is equipped with tee bend bypass valve 2 in the intercommunication department of oil outlet pipeline and back oil pipe way.

A water loop for supplying water and circulating is arranged between the heat exchanger and the hot water tank, and a pressure gauge 4, an electric valve 6 and a stop valve 7 are arranged on the water loop. And a water replenishing valve is arranged on the pipeline of the water loop and is used for externally connecting a water replenishing pipe when water is required to be replenished to the water loop. And a circulating pump 8 is arranged on the water loop and is arranged between the heat exchanger and the hot water tank.

The oil outlet management of the water loop and the oil loop are both provided with temperature sensors, and the temperature sensors of the water loop are arranged close to the outer wall of the pipe of the water loop. For detecting the temperature of the lubricating oil and water in the oil circuit and the water circuit.

The upper part of the hot water tank is provided with a tank cover 10, and a heat insulation layer 12 is coated outside a pipeline of a water loop 11. The hot water tank comprises an outer tank body and an inner tank body (not shown in figure 2), a water inlet is formed in the lower portion of the side wall of the inner tank body, a water inlet valve is arranged at the water inlet, and a pipeline of a water loop is communicated with a space formed between the outer tank body and the inner tank body. A humidity sensor 13 is arranged on a pipeline of the water loop close to the hot water tank, and the humidity sensor 13 is used for controlling the water inlet valve to be closed when the humidity of the detected air is smaller than the humidity threshold value. The water inlet valve in the embodiment adopts an electromagnetic valve, the humidity sensor 13 is provided with a control chip, the model of the humidity sensor is HIH3605/3610, namely, a linear voltage output type integrated humidity sensor is adopted. In this embodiment, air compressor machine and heat exchanger are a plurality ofly.

Claims

1. Thermal-insulated structure based on air compressor machine waste heat utilization, including air compressor machine, heat exchanger and hot-water tank be equipped with the oil return circuit that supplies the lubricating oil circulation of air compressor machine between air compressor machine and the heat exchanger be equipped with the water return circuit that supplies water circulation between heat exchanger and the hot-water tank be equipped with the moisturizing valve on the pipeline of water return circuit, hot-water tank upper portion is equipped with case lid, its characterized in that: the pipeline of the water loop is coated with a heat insulation layer, the hot water tank comprises an outer tank body and an inner tank body, the lower part of the side wall of the inner tank body is provided with a water inlet, a water inlet valve is arranged at the water inlet, and the pipeline of the water loop is communicated with a space formed between the outer tank body and the inner tank body.

2. The heat insulation structure based on air compressor waste heat utilization of claim 1, characterized in that: and a circulating pump is arranged on the water loop.

3. The heat insulation structure based on air compressor waste heat utilization of claim 1, characterized in that: the oil outlet management of the water loop and the oil loop are respectively provided with a temperature sensor, and the temperature sensors of the water loop are arranged close to the outer wall of the pipe of the water loop.

4. The heat insulation structure based on air compressor waste heat utilization of claim 1, characterized in that: and a humidity sensor is arranged on a pipeline of the water loop and close to the hot water tank, and the humidity sensor is used for controlling the water inlet valve to be closed when detecting that the air humidity is smaller than a humidity threshold value.

5. The heat insulation structure based on air compressor waste heat utilization of claim 4, characterized in that: the oil loop comprises an oil outlet pipeline of lubricating oil and an oil inlet pipeline of the lubricating oil, an oil return pipeline is further arranged between the oil outlet pipeline and the oil inlet pipeline, and a three-way bypass valve is arranged at the communication position of the oil outlet pipeline and the oil return pipeline.