Energy-saving system and method for heating based on air compressor waste heat recovery transformation

A waste heat recovery and energy-saving system technology, applied in hot water central heating systems, heating systems, space heating and ventilation details, etc., can solve problems such as difficult control of hot water temperature, energy waste, and low energy utilization efficiency

Inactive Publication Date: 2021-03-19
JIAXING SYANBO ENERGY SAVING TECH
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AI-Extracted Technical Summary

Problems solved by technology

However, it is difficult to control the temperature of the hot water obtained by heating, so that the heat energy is wasted in the water use link, and the energy utilization efficiency is not high
[0003] When the air compressor is running, the electrical ener...
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Abstract

The invention discloses an energy-saving system and method for heating based on air compressor waste heat recovery transformation. The energy-saving method for heating based on air compressor waste heat recovery transformation comprises the step of S1, carrying out the oil-water heat exchange on heat generated by the work of an air compressor through a primary heat exchanger of a heat exchange unit so as to obtain primary heat exchange water, and detecting the state of oil-water heat exchange in real time so as to form primary heat exchange data. The recovery energy-saving system and method for heating based on air compressor waste heat transformation have the advantages that an original cooling system of the air compressor is replaced with the heat exchanger unit, high-temperature air compressor oil heat energy is replaced with hot water for heating application such as production or domestic hot water, the heat generated by the air compressor is fully utilized, the energy-saving effect is achieved, in addition, the air compressor is protected to a certain extent, the water temperature, the oil temperature and the water tank liquid level are detected in real time, and the beneficial effects of temperature control, automatic water supplementing, circulating water conveying and returning and the like are achieved.

Application Domain

Lighting and heating apparatusSpace heating and ventilation details +3

Technology Topic

Process engineeringEngineering +9

Examples

  • Experimental program(1)

Example Embodiment

[0042] The following description is used to disclose the invention to enable those skilled in the art. The preferred embodiments in the following description are only example, and those skilled in the art can think of other obvious variations. The basic principles of the invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions not departing from the spirit and scope of the invention.
[0043] In a preferred embodiment of the invention, those skilled in the art should be noted that the air compressors and water tanks according to the present invention can be considered prior art.
[0044] Preferred embodiment
[0045] The present invention discloses an energy saving method for heating based on air compressor wheels, including the following steps:
[0046] Step S1: The heat generated by the air compressor work is heat-refolished by the heat exchanger of the heat exchanger to obtain a heat transfer water, and the water is detected in real time to form a heat exchange data;
[0047] Step S2: The first heat exchanger will receive the primary heat exchange water by the heat exchanger by the heat exchanger of the heat exchanger to achieve the secondary heat exchange water, and by mounted on the primary heat exchanger and secondary The adjustment valve between the heat exchanger and the inner circulation pump is realized to detect the state of water hydraulic heat to form secondary heat exchange data;
[0048] Step S3: The second heat exchanger will receive the obtained secondary heat exchange water to heat-refurbish heat in the water tank to obtain three cooling water, and detect water by the thermometer and the first level mounted on the water tank and the first level measurement The state of heat exchange is to form a water tank heat excitation data.
[0049] Specifically, step S1 is specifically implemented as follows:
[0050] Step S1.1: The air compressor separates compressed air and oil through the oil and gas separator and compresses air treatment and engineering;
[0051] Step S1.2: The temperature meter of the head of the air compressor is installed in real time to form a head temperature data;
[0052]Step S1.3: The oil retaining thermometer and the oil supply temperature meter mounted between the air compressor and the primary heat exchanger real time detects the oil return temperature and the oil supply temperature to form an oil return temperature data and the oil supply temperature data.
[0053] More specifically, step S1.1 is specifically implemented as follows:
[0054] Step S1.1: The separated compressed air is discharged through the air cooler;
[0055] Step S1.2: After the separated high temperature oil (large) portion enters the heat exchanger for oil-water heat transfer, and returns the oil after the oil heat exchanged oil back to the air compressor;
[0056] Step S1.3: The separated high temperature oil (small) section returns to the air compressor by the temperature control valve and the filter.
[0057] Further, step S2 is specifically implemented as follows:
[0058] Step S2.1: The water pipe connection between the heat exchanger and the secondary heat exchanger;
[0059] Step S2.2: The water pipe of the secondary heat exchanger is connected to the intake of the heat exchanger after the internal circulation pump and the regulating valve;
[0060] Step S2.3: The inner circulation pump is remote from one end of the secondary heat exchanger to connect the second level gauge.
[0061] Further, step S3 is specifically implemented as follows:
[0062] Step S3.1: An external circulation pump is installed between the water tank and the secondary heat exchanger;
[0063] Step S3.2: The temperature of the water tank is detected at the temperature measurement of the water tank, and the temperature of the water tank is adjusted by adjusting the temperature of the water tank, the water temperature of the water tank is set by adjusting the temperature of the water tank.
[0064] Step S3.3: The liquid level of the water tank is detected at the first liquid level mounted in the water tank, and the adjustment feedback is adjusted by setting the level of the water tank and the temperature of the water tank, by adjusting the outer circulating pump, the adjustment valve and the internal circulation pump. The water temperature of the water tank reaches the set level and temperature.
[0065] The present invention also discloses an energy-saving system for heating based on air compressor wheels, including air compressors, heat exchange units, and water tanks, and heat exchanger to heat the heat generated by the air compressor to heat the water tank, wherein :
[0066] The heat generated by the air compressor work is heat-refolison through the heat exchanger of the heat exchanger to obtain a heat transfer water, and the oil is detected in real time to form a heat transfer data;
[0067] The first heat exchanger will receive the primary heat exchange water by the heat exchanger of the heat exchanger to heat the heat, to obtain secondary heat exchange water, and is attached to a heat exchanger and a secondary heat exchanger The adjustment valve and the internal circulating pump are realized to detect the state of hydraulic heat exchange, to form secondary heat exchange data;
[0068] The second heat exchanger will receive the obtained secondary heat exchange water to heat-refurbish heat in the water tank to obtain three heat exchange water, and the water is detected by the temperature meter and the first level mounted on the water tank. State to form a water tank heat exchange data.
[0069] Specifically, the air compressor separates compressed air and oil through the oil and gas separator and performs compressed air treatment and engineering;
[0070] The temperature meter of the head of the air compressor is real-time detected the head temperature to form the head temperature data;
[0071] The oil return thermometer and the oil supply thermometer mounted between the air compressor and the primary heat exchanger real time detect the oil return temperature and the oil supply temperature to form an oil return temperature data and the oil supply temperature data.
[0072] More specifically, the separated compressed air is discharged through the air cooler;
[0073] The separated high temperature oil (large) portion enters the heat exchanger for oil-water heat transfer, and returns the oil-water heat transfer oil to the air compressor;
[0074] The separated high temperature oil (small) part sequentially returns to the air compressor by the temperature control valve and the filter.
[0075] Further, the effluent pipe of the primary heat exchanger is connected to the inlet pipe of the secondary heat exchanger;
[0076] The effluent pipe of the secondary heat exchanger is connected to the intake of the heat exchanger after the internal circulation pump and the regulating valve;
[0077] The inner circulating pump is remote from one end of the secondary heat exchanger to connect the second level gauge.
[0078] Further, an external circulating pump is installed between the water tank and the secondary heat exchanger;
[0079] The temperature of the water tank is mounted in the temperature measurement of the water tank, and the temperature of the water tank is adjusted by the temperature of the water tank, and the water temperature of the water tank is set to the set temperature by adjusting the temperature of the water tank, the adjustment valve and the inner circulation pump.
[0080] The liquid level of the water tank is detected at the first level mounted on the water tank, and the temperature of the water tank is adjusted by adjusting the level of the water tank, the adjustment valve and the internal circulation pump is adjusted. Set of liquid levels and temperatures.
[0081] It is worth mentioning that technical features such as air compressors and water tanks according to Patent Application of the present invention should be considered prior art, and the specific structure, working principle, and control mode may be involved in these technical features. The conventional selection of the field can not be considered as a patented inventive point of the present invention, and the present invention is not further detailed in detail.
[0082] For those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or for partial technical features, etc., any modification, which is within the spirit and principles of the present invention. The equivalent replacement, improvement, etc., should be included in the scope of the invention.

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