Waste heat recovery device

Abstract

The utility model discloses a waste heat recovery device which comprises a liquid storage box, the upper end of the liquid storage box is fixedly connected with a first heat exchange box, the upper end of the first heat exchange box is fixedly connected with an end cover, the front side of the end cover is provided with a second heat exchange box, and the interior of the first heat exchange box is fixedly connected with a first heat exchange pipe. According to the heat exchange device, hot oil of the air compressor enters the first heat exchange pipe through the oil inlet pipe, then is discharged through the oil outlet pipe, enters the second heat exchange box through the first connecting pipe and finally enters the air compressor through the backflow pipe, and hot water to be subjected to heat exchange can be pumped into the air compressor through the water pumping pipe through the arranged water pump; the hot oil is pumped into the spiral heat exchange pipe through the second connecting pipe, can exchange heat with the hot oil, preheats the hot water to be exchanged, then is pumped into the spraying pipe through the water inlet pipe and finally is sprayed out through the spraying head, and the sprayed water is sprayed on the surfaces of the first heat exchange pipe, the heat conduction fins and the pore plate, can exchange heat with the hot oil and absorb heat of the hot oil, so that the heat exchange efficiency is improved. And then the liquid drops into the liquid storage tank.

Description

TECHNICAL FIELD

[0001] The utility model relates to a waste heat recovery device technical field especially relates to a waste heat recovery device. BACKGROUND

[0002] Air compressor is a kind of equipment for compressing gas, centrifugal compressor is started first, oil pump control system is started, oil pump control system is started, and the oil pump control system can be adjusted by the built-in temperature control valve to meet the system needs, and the oil temperature of the oil circuit system is quickly raised, and the waste heat recovery device of air compressor is the heat energy recycling of the part.

[0003] The existing waste heat recovery device is immersed in the flowing water to be heat exchanged when the heat of the high-temperature oil liquid of the air compressor is recycled, and the water body is slowly heated, so that some unheated water is discharged. In order to solve the above problems, a waste heat recovery device is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a waste heat recovery device to solve the shortcomings in the prior art.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a waste heat recovery device, including liquid storage tank, the first heat exchange tank is fixedly connected on the upper end of liquid storage tank, the end cover is fixedly connected on the upper end of first heat exchange tank, the second heat exchange tank is arranged in the front side of end cover, the first heat exchange pipe is fixedly connected in the first heat exchange tank, a plurality of heat dissipation fins are fixedly connected on the outer side of first heat exchange pipe, the hole plate is fixedly connected on the bottom end of heat dissipation fin, the spiral heat exchange pipe is fixedly connected in the second heat exchange tank, the fixed plate is fixedly connected in the end cover, the spray pipe is fixedly connected on the fixed plate, a plurality of spray heads are fixedly connected on the spray pipe.

[0006] Further, the support foot is fixedly connected at the bottom end of the liquid storage tank, and the liquid discharge pipe is fixedly connected at the bottom end of the liquid storage tank.

[0007] Further, the first heat exchange pipe is fixedly connected with the oil inlet pipe and the oil outlet pipe at both ends respectively, and the water inlet pipe is fixedly connected at one end of the spray pipe.

[0008] Further, the first connecting pipe is fixedly connected between the oil outlet pipe and the bottom end of the second heat exchange tank, and the water inlet pipe is fixedly connected with the rear end of the spiral heat exchange pipe.

[0009] Further, the sealing cover is fixedly connected at the upper end of the second heat exchange tank, and the reflux pipe is fixedly connected at the front side of the upper end of the sealing cover.

[0010] Further, the second heat exchange box front side is provided with a water pump, the water pump input end is fixedly connected with a water suction pipe, and the water pump output end is fixedly connected with a second connecting pipe between the front end of the spiral heat exchange pipe.

[0011] The utility model discloses beneficial effect:

[0012] The utility model discloses in using, this waste heat recovery device, the hot oil of air compressor is entered into the first heat exchange pipe through the oil inlet pipe, is discharged through the oil outlet pipe, is entered into the second heat exchange box through the first connecting pipe, and finally is entered into the air compressor through the backflow pipe, can be pumped into the spiral heat exchange pipe through the second connecting pipe with the water of heat exchange water pumping through the water suction pipe set up water pump, can be heat exchanged with hot oil, preheats the water of heat exchange, is pumped into the spray pipe through the water inlet pipe, and finally is sprayed through the shower nozzle, and the water that sprays is sprayed on the first heat exchange pipe, the heat conduction fin and the orifice plate surface, can be heat exchanged with hot oil, absorbs the heat of hot oil, and falls in the liquid storage tank again. ACCURACY

[0013] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific implementation mode description needed to use the drawing briefly introduced, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skill in the art person comes to, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0014] Figure 1 The utility model discloses a front view;

[0015] Figure 2 The utility model discloses a bottom view;

[0016] Figure 3 The utility model discloses a first heat exchange box internal structure schematic view;

[0017] Figure 4 The utility model discloses a second heat exchange box internal structure schematic view;

[0018] Figure 5 The utility model discloses an end cover internal structure schematic view.

[0019] The drawing mark is as follows:

[0020] 1, liquid storage tank, 2, support foot, 3, first heat exchange box, 4, end cover, 5, oil inlet pipe, 6, oil outlet pipe, 7, first connecting pipe, 8, water inlet pipe, 9, second heat exchange box, 10, sealing cover, 11, backflow pipe, 12, water pump, 13, second connecting pipe, 14, water suction pipe, 15, liquid discharge pipe, 16, first heat exchange pipe, 17, heat conduction fin, 18, orifice plate, 19, spiral heat exchange pipe, 20, fixed plate, 21, spray pipe, 22, shower nozzle. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1-5 As shown, a waste heat recovery device is disclosed, comprising a liquid storage tank 1, a first heat exchange box 3 fixedly connected to the upper end of the liquid storage tank 1, an end cover 4 fixedly connected to the upper end of the first heat exchange box 3, a second heat exchange box 9 disposed on the front side of the end cover 4, a first heat exchange tube 16 fixedly connected inside the first heat exchange box 3, a plurality of heat-conducting fins 17 fixedly connected to the outer side of the first heat exchange tube 16, a perforated plate 18 fixedly connected to the bottom end of the heat-conducting fins 17, a spiral heat exchange tube 19 fixedly connected inside the second heat exchange box 9, a fixing plate 20 fixedly connected inside the end cover 4, a spray pipe 21 fixedly connected to the fixing plate 20, and a plurality of spray nozzles 22 fixedly connected to the spray pipe 21.

[0023] As shown in the figure, support feet 2 are fixedly connected to the four corners of the bottom of the liquid storage tank 1, and a drain pipe 15 is fixedly connected to the bottom of the liquid storage tank 1. Water absorbs the heat of the hot oil and then falls into the liquid storage tank 1, and can be discharged through the drain pipe 15.

[0024] As shown in the figure, the first heat exchange tube 16 is fixedly connected to an oil inlet pipe 5 and an oil outlet pipe 6 at both ends, respectively. One end of the spray pipe 21 is fixedly connected to a water inlet pipe 8. The oil outlet pipe 6 is fixedly connected to the bottom end of the second heat exchange box 9 by a first connecting pipe 7. The front end of the water inlet pipe 8 is fixedly connected to the rear end of the spiral heat exchange tube 19. The upper end of the second heat exchange box 9 is fixedly connected to a sealing cover 10. The front side of the upper end of the sealing cover 10 is fixedly connected to a return pipe 11. A water pump 12 is installed on the front side of the second heat exchange box 9. The input end of the water pump 12 is fixedly connected to a water suction pipe 14. The output end of the water pump 12 is fixedly connected to the front end of the spiral heat exchange tube 19 by a second connecting pipe 13. The hot oil of the air compressor enters the first heat exchange tube 16 through the oil inlet pipe 5, is discharged through the oil outlet pipe 6, enters the second heat exchange box 9 through the first connecting pipe 7, and finally enters the air compressor through the return pipe 11.

[0025] Working principle: During use, the hot oil from the air compressor enters the first heat exchange tube 16 through the oil inlet pipe 5, then exits through the oil outlet pipe 6, enters the second heat exchange box 9 through the first connecting pipe 7, and finally enters the air compressor through the return pipe 11. The water pump 12 can draw the hot water to be exchanged through the water pumping pipe 14, pump it into the spiral heat exchange tube 19 through the second connecting pipe 13, and exchange heat with the hot oil to preheat the hot water to be exchanged. Then, it is pumped into the spray pipe 21 through the water inlet pipe 8, and finally sprayed out through the nozzle 22. The sprayed water sprays onto the surface of the first heat exchange tube 16, the heat-conducting fins 17 and the orifice plate 18, and can exchange heat with the hot oil, absorbing the heat of the hot oil. Then, it falls into the liquid storage tank 1 and can be discharged through the drain pipe 15.

[0026] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A heat recovery device comprising a liquid storage tank (1), characterized in that: The upper end of the liquid storage tank (1) is fixedly connected with a first heat exchange tank (3), the upper end of the first heat exchange tank (3) is fixedly connected with an end cover (4), the front side of the end cover (4) is provided with a second heat exchange tank (9), the inside of the first heat exchange tank (3) is fixedly connected with a first heat exchange pipe (16), the outside of the first heat exchange pipe (16) is fixedly connected with a plurality of heat conduction fins (17), the bottom end of the heat conduction fin (17) is fixedly connected with a perforated plate (18), the inside of the second heat exchange tank (9) is fixedly connected with a spiral heat exchange pipe (19), the inside of the end cover (4) is fixedly connected with a fixed plate (20), the fixed plate (20) is fixedly connected with a spray pipe (21), and the spray pipe (21) is fixedly connected with a plurality of spray heads (22).

2. A waste heat recovery device according to claim 1, characterised in that: The bottom end of the liquid storage tank (1) is fixedly connected with support feet (2) at four corners, and the bottom end of the liquid storage tank (1) is fixedly connected with a liquid discharge pipe (15).

3. A waste heat recovery device according to claim 1, characterized in that: The two ends of the first heat exchange pipe (16) are fixedly connected with an oil inlet pipe (5) and an oil outlet pipe (6) respectively, and one end of the spray pipe (21) is fixedly connected with a water inlet pipe (8).

4. A waste heat recovery device according to claim 3, characterised in that: The oil outlet pipe (6) and the bottom end of the second heat exchange tank (9) are fixedly connected with a first connecting pipe (7), and the front end of the water inlet pipe (8) and the rear end of the spiral heat exchange pipe (19) are fixedly connected.

5. A waste heat recovery device according to claim 4, characterised in that: The upper end of the second heat exchange tank (9) is fixedly connected with a sealing cover (10), and the upper end of the sealing cover (10) is fixedly connected with a return pipe (11).

6. A waste heat recovery device according to claim 1, characterized in that: The front side of the second heat exchange tank (9) is provided with a water pump (12), the input end of the water pump (12) is fixedly connected with a water pumping pipe (14), and the output end of the water pump (12) and the front end of the spiral heat exchange pipe (19) are fixedly connected with a second connecting pipe (13).

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