CN219531725U

CN219531725U - Air compressor machine with waste heat recovery function

Info

Publication number: CN219531725U
Application number: CN202320660437.2U
Authority: CN
Inventors: 岳玉峰; 张玉宏; 党建设; 王振平; 高国福
Original assignee: Gansu Lintao Aluminum Industry Co ltd
Current assignee: Gansu Lintao Aluminum Industry Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-15
Anticipated expiration: 2033-03-30

Abstract

The utility model provides an air compressor with a waste heat recovery function, and relates to the field of waste heat recovery of air compressors. Including the air compressor machine body, be provided with oil outlet pipe and oil return pipe on the air compressor machine body, the air compressor machine body is connected with heat transfer mechanism, heat transfer mechanism includes the water tank, the bottom is provided with the shunt tubes in the water tank, the top is provided with the collecting pipe in the water tank, equidistance is connected with the heat exchange plate between shunt tubes and the collecting pipe, be equipped with the cavity in the heat exchange plate, the both ends of heat exchange plate all are connected with the connecting piece, the shunt tubes, the fixed ring that has all fixedly cup jointed of collecting pipe outer wall, the rigid coupling has the bracing piece between fixed ring and the water tank inner wall, the shunt tubes runs through the water tank and is linked together with the oil outlet pipe, the collecting pipe runs through the water tank and is linked together with the oil return pipe, be provided with vortex subassembly in the water tank. The utility model solves the problem that the heat exchange effect is not obvious when the existing air compressor is used for recovering waste heat.

Description

Air compressor machine with waste heat recovery function

Technical Field

The utility model provides an air compressor with a waste heat recovery function, and relates to the field of waste heat recovery of air compressors.

Background

An air compressor is generally referred to as an air compressor, and is an apparatus for compressing gas. The air compressor is one of main power equipment for coal mine production, and has the function of converting electric energy into wind energy to provide enough power for underground wind equipment, wherein the screw air compressor and the centrifugal air compressor are widely used, a large amount of heat can be generated in the operation process of the screw air compressor and the centrifugal air compressor, lubricating oil is required to be taken out of the machine, related materials are referred, the discharged heat is known to be equivalent to 1/4 of the input power of the air compressor, and the heat is usually discharged into the environment in the form of air cooling or water cooling by taking the part of heat as waste heat, so that energy waste is caused, and environmental heat pollution is also caused.

Through retrieval, the patent with the publication number of CN218443473U discloses an air compressor waste heat recovery device, which comprises an air compressor body, a hot water tank, heat exchange tubes, a side heat exchanger, a water supply tube, a motor and stirring blades, wherein the hot water tank is of an open design, the heat exchange tubes are arranged in the hot water tank, the heat exchange tubes in the hot water tank are of a U-shaped design, two ends of the heat exchange tubes are connected with the air compressor body, the motor drives the stirring blades to rotate, and the stirring blades are positioned in the hot water tank. Although the novel air compressor has many advantages, when the novel air compressor is used, the heat exchange tube is U-shaped, the contact area between the heat exchange tube and water in the hot water tank is small, the heat exchange effect is not obvious, the hot water tank is open, ash is easy to fall, and heat dissipation of the hot water is easy to accelerate, so that heat loss is caused.

Disclosure of Invention

In order to solve the problems, the utility model provides an air compressor with a waste heat recovery function, which solves the problem that the heat exchange effect is not obvious when the waste heat recovery is performed by the existing air compressor.

The utility model provides an air compressor with a waste heat recovery function, which comprises an air compressor body, wherein an oil outlet pipe and an oil return pipe are arranged on the air compressor body, the air compressor body is connected with a heat exchange mechanism, the heat exchange mechanism comprises a water tank, a shunt pipe is arranged at the inner bottom of the water tank, a collecting pipe is arranged at the inner top of the water tank, heat exchange plates are equidistantly connected between the shunt pipe and the collecting pipe, a cavity is arranged in the heat exchange plates, connecting pieces are connected to two ends of the heat exchange plates, each connecting piece comprises a first connecting pipe, a second connecting pipe and a rotary joint connected between the first connecting pipe and the second connecting pipe, one end of the second connecting pipe far away from the rotary joint is communicated with the heat exchange plate, the first connecting pipe is respectively communicated with the collecting pipe and the shunt pipe, fixing rings are fixedly sleeved on the outer walls of the shunt pipe and the collecting pipe, supporting rods are fixedly connected between the fixing rings and the inner walls of the water tank, the shunt pipe penetrates through the water tank and is communicated with the oil outlet pipe, the collecting pipe penetrates the water tank and is communicated with the oil return pipe, and a turbulent flow assembly is arranged in the water tank.

Preferably, the vortex subassembly includes the waterproof motor of rigid coupling at the water tank inner wall, waterproof motor's the coaxial rigid coupling of output shaft has the worm, the one end that waterproof motor was kept away from to the worm is connected with the water tank inner wall rotation, the worm meshing has the worm wheel, worm wheel and connecting pipe two coaxial rigid couplings, the worm wheel sets up on the connecting piece of one of them side of heat transfer board.

Preferably, the water tank top is provided with the water injection pipe, the water tank bottom is provided with the outlet pipe, all be provided with the valve on water injection pipe and the outlet pipe.

Preferably, a pressure release valve is arranged at the top of the water tank.

Preferably, a controller is fixedly connected to the side wall of the water tank, and the controller is electrically connected with the waterproof motor.

Preferably, the side wall of the water tank is provided with a water level window.

Preferably, the oil outlet pipe is provided with a first electromagnetic valve, and the oil return pipe is provided with a second electromagnetic valve.

The utility model has the beneficial effects that:

the utility model provides an air compressor with a waste heat recovery function, compared with a U-shaped heat exchange tube in the prior art, the heat exchange plate has the advantages that the contact area of cold water is remarkably improved, the heat exchange effect is better, meanwhile, the heat better effect is better improved by leading in heat exchange oil from the bottom of the heat exchange plate and driving the heat exchange plate to swing, and compared with an open heat exchange tank, the heat exchange plate is more sanitary and is less prone to dust entering and has better heat preservation effect through the arrangement of a water tank.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an air compressor with a waste heat recovery function.

Fig. 2 is a sectional view of a water tank of an air compressor with a waste heat recovery function according to the present utility model.

Fig. 3 is a left side view of a heat exchange plate of an air compressor with a waste heat recovery function.

( 1. An air compressor body; 2. an oil outlet pipe; 3. a water tank; 4. a water level window; 5. a water outlet pipe; 6. a controller; 7. a pressure release valve; 8. a water injection pipe; 9. a manifold; 10. a rotary joint; 11. a heat exchange plate; 12. a worm; 13. a worm wheel; 14. a shunt; 15. a support rod; 16. a first connecting pipe; 17. a waterproof motor; 18. a second connecting pipe; 19. an oil return pipe; 20. fixing ring )

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 3, the utility model provides an air compressor with a waste heat recovery function, which comprises an air compressor body 1, wherein an oil outlet pipe 2 and an oil return pipe 19 are arranged on the air compressor body 1, specifically, an oil tank is arranged in the air compressor body 1, heat exchange oil is filled in the oil tank, the oil outlet pipe 2 and the oil return pipe 19 are respectively communicated with the oil tank, a circulating pump is further connected between the oil outlet pipe 2 and the oil tank, and the oil outlet pipe 2 is arranged around the air compressor body 1; the air compressor body 1 is connected with heat exchange mechanism, heat exchange mechanism includes water tank 3, be provided with shunt tubes 14 in the water tank 3, the top is provided with manifold 9 in the water tank 3, equidistance is connected with heat exchange plate 11 between shunt tubes 14 and the manifold 9, be equipped with the cavity in the heat exchange plate 11, the fixed ring 20 has all been fixedly cup jointed to shunt tubes 14, manifold 9 outer wall, the rigid coupling has bracing piece 15 between fixed ring 20 and the water tank 3 inner wall, shunt tubes 14 run through water tank 3 and are linked together with delivery pipe 2, manifold 9 runs through water tank 3 and is linked together with return pipe 19. Specifically, when the circulation pump pumps the heat exchange oil into the oil outlet pipe 2, the hot oil enters the split pipe 14 through the oil outlet pipe 2, then enters the heat exchange plate 11, the hot oil is injected from the bottom of the heat exchange plate 11, then continuously fills the inside of the heat exchange plate 11, finally flows into the collecting pipe 9, flows into the oil return pipe 19 through the collecting pipe 9, finally returns into the oil tank, and exchanges heat with the water in the water tank 3 through the heat exchange plate 11, the heat exchange plate 11 is a thin plate body, the contact area with the water is large, the heat exchange effect is good, and the hot oil is injected into the heat exchange plate 11 from the lower part, the temperature of the hot oil is the highest when the hot oil is just injected into the heat exchange plate 11, so that the water at the bottom of the water tank 3 is higher than the water temperature at the top, after the difference occurs between the upper water temperature and the lower water temperature, the water at the bottom moves upwards, the cold water above moves downwards, and exchanges heat with the hot oil with the higher temperature after the cold water, so that the heat exchange effect is better, and the water in the water tank 3 is heated evenly and quickly.

Further, in the present utility model, the two ends of the heat exchange plate 11 are connected with connectors, the connectors include a first connecting pipe 16, a second connecting pipe 18, and a rotary joint 10 connected between the first connecting pipe 16 and the second connecting pipe 18, one end of the second connecting pipe 18 away from the rotary joint 10 is communicated with the heat exchange plate 11, and the first connecting pipe 16 is respectively communicated with the collecting pipe 9 and the shunt pipe 14. Specifically, the second connection pipe 18, i.e., the heat exchange plate 11, can be rotated by the arrangement of the rotary joint 10.

Further, in the utility model, a turbulence assembly is arranged in the water tank 3, the turbulence assembly comprises a waterproof motor 17 fixedly connected to the inner wall of the water tank 3, an output shaft of the waterproof motor 17 is coaxially and fixedly connected with a worm 12, one end of the worm 12 far away from the waterproof motor 17 is rotatably connected with the inner wall of the water tank 3, the worm 12 is meshed with a worm wheel 13, the worm wheel 13 is coaxially and fixedly connected with a connecting pipe II 18, and the worm wheel 13 is arranged on a connecting piece on one side of the heat exchange plate 11. Specifically, as shown in fig. 2, when the waterproof motor 17 drives the worm 12 to rotate, the worm 12 can drive the worm wheel 13 to rotate, the worm wheel 13 drives the second connecting pipe 18 to rotate, the second connecting pipe 18 drives the heat exchange plate 11 to rotate, and when the heat exchange plate 11 rotates, surrounding water is stirred, so that water flows, and the water is caused to be heated uniformly.

Further, in the utility model, the top of the water tank 3 is provided with the water injection pipe 8, the bottom of the water tank 3 is provided with the water outlet pipe 5, and valves are arranged on the water injection pipe 8 and the water outlet pipe 5. Specifically, the water injection pipe 8 is used for injecting water into the water tank 3, and the water outlet pipe 5 is used for discharging heated water.

Further, in the utility model, a pressure relief valve 7 is arranged at the top of the water tank 3. Specifically, when the water in the water tank 3 is heated, steam is generated, and the pressure in the water tank 3 can be released when the pressure in the water tank 3 is large by the pressure release valve 7.

Further, in the utility model, the side wall of the water tank 3 is fixedly connected with a controller 6, and the controller 6 is electrically connected with a waterproof motor 17. Specifically, the waterproof motor 17 can be controlled by programming the controller 6 to alternately rotate in the forward and reverse directions, so that the heat exchange plates 11 can swing back and forth, and each time only swing by a certain angle, so that the heat exchange plates 11 cannot be blocked.

Further, the side wall of the water tank 3 is provided with a water level window 4. Specifically, the amount of water in the water tank 3 is conveniently observed through the water level window 4.

Further, in the present utility model, the oil outlet pipe 2 is provided with a first electromagnetic valve, and the oil return pipe 19 is provided with a second electromagnetic valve. Specifically, by arranging the first electromagnetic valve and the second electromagnetic valve, the opening and closing of the oil outlet pipe 2 and the oil return pipe 19 can be controlled, and subsequent maintenance work is facilitated.

Working principle: firstly, clean water is injected into the water tank 3, when the air compressor body 1 works, the circulating pump pumps heat exchange oil in the oil tank into the oil outlet pipe 2, the oil outlet pipe 2 is arranged around the air compressor body 1, after heat emitted by the air compressor body 1 is absorbed, the temperature of the heat exchange oil in the oil outlet pipe 2 is increased, then the heat exchange oil is introduced into the shunt pipe 14 and enters the heat exchange plate 11, the heat exchange oil is injected from the bottom of the heat exchange plate 11, then the heat exchange plate 11 is continuously filled, finally, the heat exchange oil is collected into the collecting pipe 9, enters the oil return pipe 19 through the collecting pipe 9, and finally returns to the oil tank. When the hot oil flows in the heat exchange plate 11, heat exchange is carried out with cold water in the water tank 3 to heat the cold water, meanwhile, the hot oil is gradually cooled, the heat exchange plate 11 is a thin plate body, the contact area with the water is large, the heat exchange effect is better, and the hot oil is injected into the heat exchange plate 11 from the lower part, the temperature of the hot oil is highest when the hot oil is just injected into the heat exchange plate 11, so that the water at the bottom of the water tank 3 is higher than the water temperature at the top, after the difference occurs between the upper water temperature and the lower water temperature, the water at the bottom moves upwards, the cold water above moves downwards and then exchanges heat with the hot oil with higher temperature, and therefore, the heat exchange effect is better, and the water in the water tank 3 is heated uniformly and rapidly. Meanwhile, the waterproof motor 17 can be started through the controller 6 to drive the worm 12 to rotate, the worm 12 drives the worm wheel 13 to rotate, the worm wheel 13 drives the connecting pipe II 18 to rotate, the connecting pipe II 18 drives the heat exchange plate 11 to rotate, and surrounding water is stirred when the heat exchange plate 11 swings back and forth, so that the water flows, and the water is uniformly heated.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides an air compressor machine with waste heat recovery function, includes the air compressor machine body, be provided with oil outlet pipe and oil return pipe on the air compressor machine body, its characterized in that: the air compressor body is connected with heat exchange mechanism, heat exchange mechanism includes the water tank, the bottom is provided with the shunt tubes in the water tank, the top is provided with the collecting pipe in the water tank, equidistance is connected with the heat transfer board between shunt tubes and the collecting pipe, be equipped with the cavity in the heat transfer board, the both ends of heat transfer board all are connected with the connecting piece, the connecting piece includes connecting pipe one, connecting pipe two and connects the swivelling joint between connecting pipe one and connecting pipe two, the one end that swivel joint was kept away from to connecting pipe two is linked together with the heat transfer board, connecting pipe one is linked together with collecting pipe, shunt tubes respectively, shunt tubes, collecting pipe outer wall have all fixed the cup joint solid fixed ring, the rigid coupling has the bracing piece between gu fixed ring and the water tank inner wall, the shunt tubes runs through the water tank and is linked together with the delivery pipe, the collecting pipe runs through the water tank and is linked together with the return pipe, be provided with vortex subassembly in the water tank.

2. The air compressor with waste heat recovery function according to claim 1, wherein: the vortex subassembly is including the waterproof motor of rigid coupling at the water tank inner wall, waterproof motor's output shaft coaxial rigid coupling has the worm, the one end that waterproof motor was kept away from to the worm is connected with the water tank inner wall rotation, the worm meshing has the worm wheel, worm wheel and connecting pipe two coaxial rigid couplings, the worm wheel sets up on the connecting piece of one of them side of heat transfer board.

3. The air compressor with waste heat recovery function according to claim 1, wherein: the water tank top is provided with the water injection pipe, the water tank bottom is provided with the outlet pipe, all be provided with the valve on water injection pipe and the outlet pipe.

4. The air compressor with waste heat recovery function according to claim 1, wherein: the top of the water tank is provided with a pressure relief valve.

5. The air compressor with waste heat recovery function according to claim 1, wherein: the side wall of the water tank is fixedly connected with a controller, and the controller is electrically connected with the waterproof motor.

6. The air compressor with waste heat recovery function according to claim 1, wherein: the side wall of the water tank is provided with a water level window.

7. The air compressor with waste heat recovery function according to claim 1, wherein: the oil outlet pipe is provided with a first electromagnetic valve, and the oil return pipe is provided with a second electromagnetic valve.