Automatic drainage structure based on air waste heat recoverer of air compressor
By installing a heating jacket over the discharge pipe of the air compressor waste heat recovery unit and combining it with a partition plate and overflow trough design, the problem of the drain outlet freezing in low-temperature environments was solved, enabling smooth wastewater discharge and normal equipment operation.
Patent Information
- Application Number
- CN202520440057.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing waste heat recovery units for air compressors are prone to freezing at the drain outlet in low-temperature environments, leading to wastewater accumulation and posing a safety hazard.
By installing a heating jacket over the discharge pipe, hot air is used to heat the discharge pipe. Combined with the design of partition plates and overflow troughs, the smooth discharge of wastewater and the spatial separation within the collection tank are ensured.
Effectively prevents the discharge pipe from freezing, ensures smooth wastewater discharge, and maintains normal equipment operation and a clean working environment.
Smart Images
Figure CN223910133U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air compressor technology field especially based on automatic drainage structure of air compressor gas waste heat recovery device. BACKGROUND
[0002] The compressed air generated in the operation process of the air compressor enters the waste heat recovery device, the waste heat is recycled and utilized, the temperature is reduced after heat exchange, the water vapor in the air condenses into water droplets, and the condensed water needs to be discharged in time.
[0003] The existing waste heat recovery device automatic drainage structure has certain defects when discharging, the discharge port is easy to freeze when discharging in an environment prone to freezing, it is difficult to ensure that the waste water can be smoothly discharged, and too much waste water accumulates for a long time, which can easily cause safety hazards.
[0004] In view of the above technical defects, the present solution is proposed. UTILITY MODEL CONTENT
[0005] The utility model discloses a kind of automatic drainage structures based on air compressor gas waste heat recovery device, by setting protection mechanism, discharge pipe is protected and handled, hot air can be guided to heating jacket, discharge pipe is heated and handled, effectively prevent the freezing problem of discharge pipe caused by low temperature, ensure that waste water in waste heat recovery device body can be smoothly discharged, solve the problem proposed in background technology.
[0006] The utility model discloses a kind of automatic drainage structures based on air compressor gas waste heat recovery device, including with the waste heat recovery device body of air compressor oil end through connection, it is characterized in that, two connection ports connected with external pipeline are through connected on the waste heat recovery device body upper surface, two connection ports are connected with external pipeline, waste heat recovery device body outer wall is through connected with gas outlet pipe and air inlet pipe, the waste heat recovery device body bottom is communicated with discharge pipe, protection mechanism is sleeved on the outer contour of discharge pipe;
[0007] The protection mechanism includes heating jacket sleeved on discharge pipe, spiral channel is formed in the heating jacket, two ends of the spiral channel of the heating jacket are communicated with return pipe and conveying pipe, the conveying pipe and return pipe are communicated with gas outlet pipe and air inlet pipe respectively, three-way valve is arranged at the connection of gas outlet pipe and air inlet pipe and waste heat recovery device body, the bottom of waste heat recovery device body is provided with collection tank communicated with discharge pipe.
[0008] Preferably, the outer wall of the heating jacket is sleeved with a thermal insulation layer, and the outer wall of the thermal insulation layer is fixedly connected with a fixing sleeve composed of two symmetrically arranged half-circle hoops.
[0009] Preferably, the waste heat recovery device body is fixedly connected with a protection box near one side of the air outlet pipe and the air inlet pipe, the end of the air outlet pipe and the air inlet pipe is fixedly connected with a flange connected with the air compressor, and the three-way valve on the air outlet pipe and the air inlet pipe is located in the protection box.
[0010] Preferably, the waste heat recovery device body is fixedly connected with a protection box near one side of the air outlet pipe and the air inlet pipe, the end of the air outlet pipe and the air inlet pipe is fixedly connected with a flange connected with the air compressor, and the three-way valve on the air outlet pipe and the air inlet pipe is located in the protection box.
[0011] Preferably, the waste heat recovery device body is fixedly connected with a protection box near one side of the air outlet pipe and the air inlet pipe, the end of the air outlet pipe and the air inlet pipe is fixedly connected with a flange connected with the air compressor, and the three-way valve on the air outlet pipe and the air inlet pipe is located in the protection box.
[0012] Preferably, the waste heat recovery device body is fixedly connected with a protection box near one side of the air outlet pipe and the air inlet pipe, the end of the air outlet pipe and the air inlet pipe is fixedly connected with a flange connected with the air compressor, and the three-way valve on the air outlet pipe and the air inlet pipe is located in the protection box.
[0013] The waste heat recovery device has the advantages that:
[0014] (1) The utility model discloses a protection setting is carried out to the discharge pipe, and hot air can be guided to the heating jacket, and the discharge pipe is heated and handled, effectively prevents the freezing problem of the discharge pipe caused by low temperature, and ensures that the waste water in the waste heat recovery device body can be smoothly discharged.
[0015] (2) The inside space of the collecting box is effectively divided through the setting of the partition plate, when the condensate water exceeds the height of the partition plate, the excessive water can flow to the other side of the partition plate through the overflow groove, the direct overflow of the condensate water from the top of the collecting box is effectively prevented, and the cleanness of the working environment and the normal operation of the equipment are maintained. ACCURATE DRAWINGS
[0016] The utility model will be further explained in connection with the drawings;
[0017] Figure 1 It is the overall structure of the utility model Figure 1 ;
[0018] Figure 2 It is the overall structure of the utility model Figure 2 ;
[0019] Figure 3 It is the structure diagram of the utility model return pipe;
[0020] Figure 4 It is the structure diagram of the utility model fixed sleeve;
[0021] Figure 5 It is the structure diagram of the utility model collecting box.
[0022] Legend: 1, waste heat recovery device body; 2, connecting port; 3, collection tank; 4, drain pipe; 5, flange; 6, gas outlet pipe; 7, gas inlet pipe; 8, protection box; 9, conveying pipe; 10, backflow pipe; 11, fixing sleeve; 12, supporting leg; 13, three-way valve; 14, discharge pipe; 15, heating sleeve; 16, insulation layer; 17, partition plate; 18, overflow tank. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] Embodiment one: the embodiment is used to solve the problem that the existing drainage device is prone to freezing when draining in an environment prone to icing, it is difficult to ensure that the wastewater can be smoothly discharged, and long-term accumulation of too much water can easily cause safety hazards.
[0025] Please refer to Figure 1 - Figure 5 As shown in the figure, the embodiment is an automatic drainage structure based on an air compressor gas waste heat recovery device, which comprises a waste heat recovery device body 1 connected with an air compressor oil end, two connecting ports 2 connected with external pipelines are connected with the upper surface of the waste heat recovery device body 1, the two connecting ports 2 are connected with the external pipelines, a gas outlet pipe 6 and a gas inlet pipe 7 are connected with the outer wall of the waste heat recovery device body 1, a discharge pipe 14 is connected with the bottom end of the waste heat recovery device body 1, and a protection mechanism is sleeved on the outer contour of the discharge pipe 14.
[0026] The protection mechanism comprises a heating sleeve 15 sleeved on the discharge pipe 14, a spiral channel is formed in the heating sleeve 15, the two ends of the spiral channel of the heating sleeve 15 are communicated with a backflow pipe 10 and a conveying pipe 9, the conveying pipe 9 and the backflow pipe 10 are respectively communicated with the gas outlet pipe 6 and the gas inlet pipe 7, a three-way valve 13 is arranged at the connection between the gas outlet pipe 6 and the gas inlet pipe 7 and the waste heat recovery device body 1, and a collection tank 3 is arranged at the bottom of the waste heat recovery device body 1 and communicated with the discharge pipe 14.
[0027] The air outlet pipe 6 and the air inlet pipe 7 are connected with the oil end of the air compressor, the air inlet pipe 7 and the air outlet pipe 6 are connected with the heat exchanger in the waste heat recovery device body 1, the high-temperature oil lubricating oil of the air compressor is cooled, the three-way valve 13 is controlled to switch the flow direction of the hot air, the hot air flows into the heating jacket 15, the discharge pipe 14 is heated to prevent freezing due to low temperature, and the waste water in the waste heat recovery device body 1 is difficult to discharge, the electric control valve two in communication with the discharge pipe 14 is arranged in the waste heat recovery device body 1, a float switch or a water level sensor is used to monitor the water level of the waste heat recovery device, when the water level reaches the preset height, the water level monitoring device sends a signal, and after receiving the signal sent by the water level monitoring device, the electric control valve two controls the opening or closing of the automatic drainage.
[0028] The heating jacket 15 is provided with a heat preservation layer 16, and the outer wall of the heat preservation layer 16 is fixedly connected with a fixed sleeve 11, the fixed sleeve 11 is composed of two symmetrical half-circle hoops, and the two fixed sleeves 11 fix the heat preservation layer 16, so that the heat preservation layer 16 is fixedly connected with the heating jacket 15.
[0029] The waste heat recovery device body 1 is fixedly connected with a protection box 8 close to the air outlet pipe 6 and the air inlet pipe 7, the end portions of the air outlet pipe 6 and the air inlet pipe 7 are fixedly connected with flanges 5 connected with the air compressor, the three-way valve 13 on the air outlet pipe 6 and the air inlet pipe 7 is located in the protection box 8, and the protection box 8 is filled with heat preservation cotton to prevent the three-way valve 13 from freezing in a relatively harsh low-temperature environment.
[0030] The waste heat recovery device body 1 is fixedly connected with support legs 12 on the lower surface, the support legs 12 are arranged in a matrix distribution, and there is enough space between the waste heat recovery device body 1 and the collection tank 3, so that the fixed sleeve 11 can be installed, and the subsequent drainage into the collection tank 3 can be realized.
[0031] The inner wall of the collection tank 3 is coated with a corrosion-resistant coating, and the outer wall of the collection tank 3 is connected with two symmetrically arranged drain pipes 4, the collection tank 3 is made of corrosion-resistant stainless steel, and the collection tank 3 is prevented from being corroded by the condensed water.
[0032] Embodiment two: the embodiment is used to solve the problem of how to prevent excessive condensate from overflowing directly.
[0033] Please refer to Figure 1 - Figure 5As shown, the automatic drainage structure based on the air compressor gas waste heat recovery device of the embodiment, the inner wall of the collecting box 3 is fixedly connected with a partition plate 17, the surface close to the top of the partition plate 17 is provided with an overflow groove 18, the condensed water exceeding the partition plate 17 can move to the other side of the partition plate 17 through the overflow groove 18, preventing direct overflow from the collecting box 3, and a water level sensor can be installed in the collecting box 3 to monitor the water level change in real time and transmit the signal to the controller, and the controller controls the opening and closing of the drain valve according to the preset water level threshold, and when the water level exceeds the preset upper limit, the drain valve is automatically opened, and when the water level drops to the preset lower limit, the drain valve is automatically closed.
[0034] In combination with Embodiment One and Embodiment Two, the discharge pipe 14 is protected by the protection arrangement, the hot air can be guided into the heating jacket 15 in a low-temperature environment, the discharge pipe 14 is heated, the freezing problem of the discharge pipe 14 caused by low temperature is effectively prevented, the waste water in the waste heat recovery device body 1 can be smoothly discharged, the inner space of the collecting box 3 is effectively divided by the partition plate 17, when the amount of condensed water exceeds the height of the partition plate 17, the excess water will flow to the other side of the partition plate 17 through the overflow groove 18, the direct overflow of the condensed water from the top of the collecting box 3 is effectively prevented, and the cleanliness of the working environment and the normal operation of the equipment are maintained.
[0035] The above content is only an example and description of the structure of the present application, and those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the application or exceed the scope defined by the claims.
[0036] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present description, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0037] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments. Obviously, many modifications and changes can be made according to the content of the present application. The present application selects and describes these embodiments in order to better explain the principles and practical application of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their entire scope and equivalents.
Claims
1. An automatic drainage structure based on an air compressor gas waste heat recovery device, comprising a waste heat recovery device body (1) connected with the oil end of the air compressor, characterized in that, Two connecting ports (2) are connected with external pipelines through the upper surface of the waste heat recovery device body (1), the two connecting ports (2) are connected with external pipelines, the waste heat recovery device body (1) is connected with the gas outlet pipe (6) and the gas inlet pipe (7) through the outer wall, the bottom of the waste heat recovery device body (1) is connected with the discharge pipe (14), and the discharge pipe (14) is sleeved with a protection mechanism outside the contour. The protection mechanism comprises a heating sleeve (15) sleeved on the discharge pipe (14), a spiral channel is formed in the heating sleeve (15), and the two ends of the spiral channel of the heating sleeve (15) are communicated with the return pipe (10) and the conveying pipe (9); the conveying pipe (9) and the return pipe (10) are communicated with the gas outlet pipe (6) and the gas inlet pipe (7) respectively; the three-way valve (13) is arranged at the connection position of the gas outlet pipe (6) and the gas inlet pipe (7) and the waste heat recovery device body (1); and the bottom of the waste heat recovery device body (1) is provided with the collecting box (3) communicated with the discharge pipe (14).
2. The automatic drainage structure based on the air compressor waste heat recovery according to claim 1, characterized in that, The outer wall of the heating sleeve (15) is sleeved with a heat preservation layer (16), and the outer wall of the heat preservation layer (16) is fixedly connected with a fixing sleeve (11).
3. The automatic drainage structure based on the air compressor waste heat recovery according to claim 1, characterized in that, The waste heat recovery device body (1) is fixedly connected with the protection box (8) close to the gas outlet pipe (6) and the gas inlet pipe (7), the end portions of the gas outlet pipe (6) and the gas inlet pipe (7) are fixedly connected with the flanges (5) connected with the air compressor, and the three-way valve (13) on the gas outlet pipe (6) and the gas inlet pipe (7) is located in the protection box (8).
4. The automatic drainage structure based on the air compressor waste heat recovery according to claim 1, characterized in that, The lower surface of the waste heat recovery device body (1) is fixedly connected with the supporting legs (12), and the supporting legs (12) are arranged in a matrix distribution.
5. The automatic drainage structure based on the air compressor waste heat recovery according to claim 1, characterized in that, The inner wall of the collecting box (3) is coated with an anticorrosive coating, and the outer wall of the collecting box (3) is connected with two symmetrically arranged drain pipes (4) through the outer wall.
6. The automatic drainage structure based on the air compressor waste heat recovery according to claim 1, characterized in that, The inner wall of the collecting box (3) is fixedly connected with the partition plate (17), and the surface close to the top of the partition plate (17) is provided with the overflow groove (18).