Air compressor exhaust waste heat recovery system and equipment

Abstract

The utility model provides an air compressor exhaust waste heat recovery system and equipment. The air compressor exhaust waste heat recovery system comprises an air compressor, a first temperature detection device, an induced draft fan, an exhaust waste heat recovery device, a second temperature detection device, a third temperature detection device, an air purification device, an exhaust detection device, a steam actuator and an air conditioning unit. The air compressor, the first temperature detection device, the induced draft fan, the exhaust waste heat recovery device, the second temperature detection device and the air conditioning unit are connected in sequence; the exhaust waste heat recovery device, the third temperature detection device, the air purification device and the exhaust detection device are connected in sequence; the steam actuator is connected with the air conditioning unit. In the mode, the exhaust air temperature of the air compressor can be effectively reduced, the recycled heat is used for heating fresh air of the air conditioning unit, and meanwhile consumption of industrial steam can be effectively reduced. The purposes of saving energy and reducing consumption are achieved, meanwhile, the emission of greenhouse gas is reduced, and extremely high economic benefits and social benefits are achieved.

Description

Technical Field

[0001] This utility model relates to the field of air compressor technology, and in particular to an air compressor exhaust waste heat recovery system and equipment. Background Technology

[0002] Currently, during the long-term continuous operation of air compressors, electrical energy can be converted into mechanical energy, and mechanical energy into wind energy. During this conversion, the air is subjected to intense high-pressure compression, causing its temperature to rise sharply. This is a common mechanical energy conversion phenomenon in physics. The high-speed rotation of the mechanical screw also generates heat through friction. This high temperature is mixed with the air compressor's lubricating oil, forming oil / air vapor, which is then discharged from the machine. This portion of high-temperature airflow contains approximately 80% of the air compressor's input power, and its temperature is typically between 80℃ (winter) and 100℃ (summer and autumn). Due to the machine's operating temperature requirements, this heat energy is inefficiently released into the atmosphere as waste gas, resulting in significant waste. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide an air compressor exhaust waste heat recovery system and equipment to effectively reduce the exhaust temperature of the air compressor, use the recovered heat for heating the fresh air of the air conditioning unit, and at the same time effectively reduce the consumption of industrial steam. While achieving energy conservation and emission reduction, it also reduces greenhouse gas emissions, resulting in extremely high economic and social benefits.

[0004] In a first aspect, this utility model provides an air compressor exhaust waste heat recovery system, which includes: an air compressor, a first temperature detection device, an induced draft fan, an exhaust waste heat recovery device, a second temperature detection device, a third temperature detection device, an air purification device, an exhaust detection device, a steam actuator, and an air conditioning unit; the air compressor, the first temperature detection device, the induced draft fan, the exhaust waste heat recovery device, the second temperature detection device, and the air conditioning unit are connected in sequence; the exhaust waste heat recovery device, the third temperature detection device, the air purification device, and the exhaust detection device are connected in sequence; and the steam actuator is connected to the air conditioning unit.

[0005] In an optional embodiment of this application, the air compressor, the first temperature detection device, the induced draft fan, the exhaust waste heat recovery device, the second temperature detection device, and the air conditioning unit are connected in sequence via pipelines.

[0006] In an optional embodiment of this application, the air compressor is equipped with a pressure gauge, an ammeter, and a voltmeter.

[0007] In an optional embodiment of this application, the exhaust waste heat recovery device, the third temperature detection device, the air purification device, and the exhaust detection device are connected in sequence through an exhaust duct.

[0008] In an optional embodiment of this application, the steam actuator is connected to the air conditioning unit via a pipe.

[0009] In an optional embodiment of this application, the air conditioning unit is equipped with a differential pressure gauge and an inspection port.

[0010] In an optional embodiment of this application, the input of the exhaust waste heat recovery device is the fresh air output from the air conditioning unit, and the input of the steam actuator is industrial steam; the exhaust detection device is used for exhaust.

[0011] In an optional embodiment of this application, the second temperature detection device is used to send the exhaust air of the air compressor into the exhaust waste heat recovery device when the temperature is less than a preset first threshold; the exhaust waste heat recovery device is used to exchange heat between the exhaust air of the air compressor and the fresh air output by the air conditioning unit; the exhaust air after heat exchange enters the air conditioning unit.

[0012] In an optional embodiment of this application, the second temperature detection device is used to control the steam actuator to start running when the temperature is less than a preset second threshold; the second temperature detection device is also used to control the steam actuator to stop running when the temperature is greater than a preset third threshold; wherein, the third threshold is greater than the second threshold.

[0013] Secondly, this utility model embodiment also provides an air compressor exhaust waste heat recovery device, which includes the above-mentioned air compressor exhaust waste heat recovery system.

[0014] The present invention provides the following beneficial effects:

[0015] This utility model provides an air compressor exhaust waste heat recovery system and equipment, including: an air compressor, a first temperature detection device, an induced draft fan, an exhaust waste heat recovery device, a second temperature detection device, a third temperature detection device, an air purification device, an exhaust detection device, a steam actuator, and an air conditioning unit; the air compressor, the first temperature detection device, the induced draft fan, the exhaust waste heat recovery device, the second temperature detection device, and the air conditioning unit are connected in sequence; the exhaust waste heat recovery device, the third temperature detection device, the air purification device, and the exhaust detection device are connected in sequence; the steam actuator is connected to the air conditioning unit. This method can effectively reduce the exhaust temperature of the air compressor, using the recovered heat to heat the fresh air in the air conditioning unit, while also effectively reducing industrial steam consumption. It achieves energy saving and consumption reduction while also reducing greenhouse gas emissions, resulting in extremely high economic and social benefits.

[0016] Other features and advantages of this disclosure will be set forth in the following description, or some features and advantages may be inferred from the description or determined without doubt, or may be learned by practicing the techniques described above.

[0017] To make the above-mentioned objects, features and advantages of this disclosure more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the structure of an air compressor exhaust waste heat recovery system provided in this embodiment of the utility model;

[0020] Figure 2 A schematic diagram of another air compressor exhaust waste heat recovery system provided in this embodiment of the utility model;

[0021] Figure 3 This is a structural schematic diagram of an air compressor exhaust waste heat recovery device provided for an embodiment of the present utility model.

[0022] Icons: 100-Air compressor exhaust waste heat recovery system; 1-Air compressor; 2-First temperature detection device; 3-Exhaust fan; 4-Exhaust waste heat recovery device; 5-Second temperature detection device; 6-Third temperature detection device; 7-Air purification device; 8-Exhaust detection device; 9-Steam actuator; 10-Air conditioning unit; 1000-Air compressor exhaust waste heat recovery equipment. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] Currently, during the long-term continuous operation of air compressors, electrical energy can be converted into mechanical energy, and mechanical energy into wind energy. During this conversion, the air is subjected to intense high-pressure compression, causing its temperature to rise sharply. This is a common mechanical energy conversion phenomenon in physics. The high-speed rotation of the mechanical screw also generates heat through friction. This high temperature is mixed with the air compressor's lubricating oil, forming oil / air vapor, which is then discharged from the machine. This portion of high-temperature airflow contains approximately 80% of the air compressor's input power, and its temperature is typically between 80℃ (winter) and 100℃ (summer and autumn). Due to the machine's operating temperature requirements, this heat energy is inefficiently released into the atmosphere as waste gas, resulting in significant waste.

[0025] The exhaust gas from air compressors contains abundant heat. Utilizing this heat energy can significantly reduce enterprise expenses and solve the problems of air compressor exhaust treatment and emission. Air compressor waste heat recovery is an energy-saving and environmentally friendly energy reuse method. Waste heat recovery not only reduces heat emissions into the atmosphere and improves energy utilization efficiency, but also lowers production costs and increases economic benefits. It is a feasible energy-saving technology in an environment of energy scarcity.

[0026] Based on this, the air compressor exhaust waste heat recovery system and equipment provided in this embodiment can effectively reduce the exhaust temperature of the air compressor, use the recovered heat to heat the fresh air of the air conditioning unit, and at the same time effectively reduce the consumption of industrial steam. While achieving the goal of energy saving and consumption reduction, it also reduces greenhouse gas emissions, resulting in extremely high economic and social benefits.

[0027] To facilitate understanding of this embodiment, a detailed description of an air compressor exhaust waste heat recovery system disclosed in this utility model embodiment will be provided first.

[0028] Example 1:

[0029] This utility model embodiment provides an air compressor exhaust waste heat recovery system. See [link to relevant documentation]. Figure 1 The diagram shows a structural schematic of an air compressor exhaust waste heat recovery system 100, which includes: an air compressor 1, a first temperature detection device 2, an induced draft fan 3, an exhaust waste heat recovery device 4, a second temperature detection device 5, a third temperature detection device 6, an air purification device 7, an exhaust detection device 8, a steam actuator 9, and an air conditioning unit 10.

[0030] Air compressor 1, first temperature detection device 2, induced draft fan 3, exhaust waste heat recovery device 4, second temperature detection device 5 and air conditioning unit are connected in sequence 10;

[0031] The exhaust waste heat recovery device 4, the third temperature detection device 6, the air purification device 7, and the exhaust detection device 8 are connected in sequence;

[0032] Steam actuator 9 is connected to air conditioning unit 10.

[0033] The waste heat recovery method of the air compressor in this embodiment can be as follows: The exhaust temperature of the air compressor is generally around 90°C. More than 50% of the heat energy of the exhaust is not utilized and is directly discharged into the atmosphere. This not only causes environmental heat pollution, but also results in a large loss of energy. The recovered exhaust waste heat can be used to preheat the fresh air required by the air conditioning unit through a waste heat recovery device. This device is the exhaust waste heat recovery device in this embodiment.

[0034] The exhaust waste heat recovery device in this embodiment is equipped with a heat exchanger. The main structure of the heat exchanger is a heat exchange element, which is composed of multiple corrugated plates pressed into concave and convex shapes. Through cross-flow heat exchange, it achieves the working characteristics of high thermal efficiency and low energy consumption.

[0035] The air compressor exhaust waste heat recovery system in this embodiment can not only fully recover the latent heat in the exhaust air, but also has the advantages of a lighter and more durable metal structure for the heat exchange elements, corrosion resistance, low maintenance costs, and stable operation.

[0036] In this embodiment, the treated exhaust air meets relevant emission standards after being detected by an exhaust air detection device. This provides relevant technical support for enterprises to save energy, reduce consumption, and protect emissions.

[0037] This utility model provides an air compressor exhaust waste heat recovery system, comprising: an air compressor, a first temperature detection device, an induced draft fan, an exhaust waste heat recovery device, a second temperature detection device, a third temperature detection device, an air purification device, an exhaust detection device, a steam actuator, and an air conditioning unit; the air compressor, the first temperature detection device, the induced draft fan, the exhaust waste heat recovery device, the second temperature detection device, and the air conditioning unit are connected in sequence; the exhaust waste heat recovery device, the third temperature detection device, the air purification device, and the exhaust detection device are connected in sequence; and the steam actuator is connected to the air conditioning unit. This method can effectively reduce the exhaust temperature of the air compressor, using the recovered heat to heat the fresh air in the air conditioning unit, while also effectively reducing industrial steam consumption. It achieves energy saving and consumption reduction while also reducing greenhouse gas emissions, resulting in significant economic and social benefits.

[0038] Example 2:

[0039] This utility model provides another air compressor exhaust waste heat recovery system, which is implemented based on the above embodiments. In some embodiments, the air compressor, the first temperature detection device, the induced draft fan, the exhaust waste heat recovery device, the second temperature detection device, and the air conditioning unit are connected in sequence through pipelines.

[0040] In some embodiments, the air compressor is equipped with a pressure gauge, an ammeter, and a voltmeter.

[0041] In some embodiments, the exhaust waste heat recovery device, the third temperature detection device, the air purification device, and the exhaust detection device are connected in sequence through an exhaust duct.

[0042] In some embodiments, the steam actuator is connected to the air conditioning unit via a pipe.

[0043] In some embodiments, the air conditioning unit is equipped with a differential pressure gauge and an inspection port.

[0044] In this embodiment, a connection path consisting of an air compressor, an exhaust waste heat recovery device, and an air conditioning unit is utilized. By collecting the hot air discharged from the air compressor and processing it through the exhaust waste heat recovery device, the heat in the exhaust gas is successfully recovered and effectively used to heat the fresh air of the air conditioning unit, while reducing the need for the original heating device used for the fresh air of the air conditioning unit. The recovered air compressor exhaust, after being tested by an exhaust gas detection device, meets relevant exhaust gas emission standards and is then discharged externally. This has a significant effect on energy conservation, environmental protection, and improved economic efficiency in the factory.

[0045] Example 3:

[0046] This utility model embodiment provides another air compressor exhaust waste heat recovery system, implemented based on the above embodiment. See also... Figure 2 The diagram shows another type of air compressor exhaust waste heat recovery system. Figure 2 As shown, the input to the exhaust waste heat recovery device is the fresh air output from the air conditioning unit, and the input to the steam actuator is industrial steam; the exhaust detection device is used for exhaust.

[0047] like Figure 2 As shown, the exhaust air generated during the operation of the air compressor is connected to the exhaust waste heat recovery device through a pipeline, and the fresh air of the air conditioning unit is connected to the exhaust waste heat recovery device through a pipeline. When the air conditioning unit is running, the fresh air of the air conditioning unit and the exhaust air of the air compressor exchange heat through the exhaust waste heat recovery device before entering the air conditioning unit.

[0048] In some embodiments, the second temperature detection device is used to send the exhaust air from the air compressor into the exhaust waste heat recovery device when the temperature is less than a preset first threshold; the exhaust waste heat recovery device is used to exchange heat between the exhaust air from the air compressor and the fresh air output from the air conditioning unit; the exhaust air after heat exchange enters the air conditioning unit.

[0049] In this embodiment, the air conditioning unit is connected to the exhaust waste heat recovery device through a pipe. When the second temperature detection device detects that the temperature is lower than the first threshold A, the air compressor exhaust air is sent into the exhaust waste heat recovery device to exchange heat with the air conditioning fresh air before entering the air conditioning unit.

[0050] In some embodiments, the second temperature detection device is used to control the steam actuator to start running when the temperature is less than a preset second threshold; the second temperature detection device is also used to control the steam actuator to stop running when the temperature is greater than a preset third threshold; wherein the third threshold is greater than the second threshold.

[0051] In this embodiment, the steam actuator starts operating when the second temperature detection device detects a temperature below the second threshold B. The steam actuator stops operating when the second temperature detection device detects a temperature above the third threshold C. The steam actuator can operate linearly between the second threshold B and the third threshold C set by the second temperature detection device.

[0052] When there is no need for heating of fresh air from the air conditioner, the air compressor exhaust can be directly discharged to the outside through the exhaust waste heat recovery device, the third temperature detection device, the air purification device, and the exhaust detection unit. Simultaneously, the displayed temperature value can be used to monitor the operating status and calculate the benefits of heat recovery.

[0053] In this embodiment, the air compressor exhaust can be monitored in real time by a first temperature detection device, a second temperature detection device, a third temperature detection device, an air purification device, and an exhaust detection unit. This allows for better adjustment of system parameters based on various values, resulting in better utilization of the system.

[0054] In this embodiment, the exhaust air from the air compressor is treated by an exhaust waste heat recovery device, achieving a heat recovery rate of over 70%, fully meeting the heat energy requirements for the fresh air supply of the air conditioner. This reduces the associated costs associated with heating the fresh air in the original air conditioning system. It has strong practical potential.

[0055] Example 4:

[0056] Corresponding to the above embodiments, this embodiment provides an air compressor exhaust waste heat recovery device. See also... Figure 3 The diagram shows a structural schematic of an air compressor exhaust waste heat recovery device 1000, which includes: the air compressor exhaust waste heat recovery system 100 provided in the aforementioned embodiment.

[0057] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working process of the air compressor exhaust waste heat recovery equipment described above can be referred to the corresponding process in the embodiment of the air compressor exhaust waste heat recovery system, and will not be repeated here.

[0058] Furthermore, in the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0059] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0060] Finally, it should be noted that the above-described embodiments are merely specific implementations of this utility model, used to illustrate the technical solution of this utility model, and not to limit it. The protection scope of this utility model is not limited thereto. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features, within the technical scope disclosed in this utility model. These modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A waste heat recovery system for air compressor exhaust, characterized in that, The air compressor exhaust waste heat recovery system includes: an air compressor, a first temperature detection device, an induced draft fan, an exhaust waste heat recovery device, a second temperature detection device, a third temperature detection device, an air purification device, an exhaust detection device, a steam actuator, and an air conditioning unit. The air compressor, the first temperature detection device, the induced draft fan, the exhaust waste heat recovery device, the second temperature detection device, and the air conditioning unit are connected in sequence; The exhaust waste heat recovery device, the third temperature detection device, the air purification device, and the exhaust detection device are connected in sequence; The steam actuator is connected to the air conditioning unit.

2. The air compressor exhaust waste heat recovery system according to claim 1, characterized in that, The air compressor, the first temperature detection device, the induced draft fan, the exhaust waste heat recovery device, the second temperature detection device, and the air conditioning unit are connected in sequence through pipelines.

3. The air compressor exhaust waste heat recovery system according to claim 1, characterized in that, The air compressor is equipped with a pressure gauge, an ammeter, and a voltmeter.

4. The air compressor exhaust waste heat recovery system according to claim 1, characterized in that, The exhaust waste heat recovery device, the third temperature detection device, the air purification device, and the exhaust detection device are connected in sequence through an exhaust duct.

5. The air compressor exhaust waste heat recovery system according to claim 1, characterized in that, The steam actuator is connected to the air conditioning unit via a pipe.

6. The air compressor exhaust waste heat recovery system according to claim 1, characterized in that, The air conditioning unit is equipped with a differential pressure gauge and an inspection port.

7. The air compressor exhaust waste heat recovery system according to any one of claims 1-6, characterized in that, The input to the exhaust waste heat recovery device is the fresh air output from the air conditioning unit, and the input to the steam actuator is industrial steam. The exhaust detection device is used for exhaust ventilation.

8. The air compressor exhaust waste heat recovery system according to claim 7, characterized in that, The second temperature detection device is used to send the exhaust air from the air compressor into the exhaust waste heat recovery device when the temperature is less than a preset first threshold. The exhaust waste heat recovery device is used to exchange heat between the exhaust air from the air compressor and the fresh air output from the air conditioning unit. The exhaust air after heat exchange enters the air conditioning unit.

9. The air compressor exhaust waste heat recovery system according to claim 1, characterized in that, The second temperature detection device is used to control the steam actuator to start running when the temperature is lower than a preset second threshold. The second temperature detection device is also used to control the steam actuator to stop operating when the temperature is greater than a preset third threshold; wherein the third threshold is greater than the second threshold.

10. A waste heat recovery device for air compressor exhaust, characterized in that, The air compressor exhaust waste heat recovery equipment includes: the air compressor exhaust waste heat recovery system according to any one of claims 1-9.

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