CN217785912U - Plate heat exchanger special for waste heat utilization of air compressor - Google Patents

Abstract

The utility model discloses a special plate heat exchanger for waste heat utilization of air compressors, which comprises a heat exchange mechanism for utilization of waste heat of air compressors, a preheating mechanism for preheating incoming water during heat utilization, and a A separation mechanism that is convenient to disassemble during maintenance of the heat exchange mechanism. The utility model utilizes the heated soft water to flow between the water inlet pipe and the preheating pipe, thereby preliminarily preheating the cold water entering the water inlet pipe, and then reuses the remaining heat of the heated and circulated soft water to improve its utilization. High efficiency, use the separation motor on the C-shaped rod and the sliding frame to drive the transmission wheel to rotate, and drive the separation wheel to rotate through the transmission wheel, so as to facilitate the plate glass when the heat exchange mechanism is removed for maintenance, and then prevent manual disassembly Scratches hands.

Description

A special plate heat exchanger for air compressor waste heat utilization

technical field

The utility model relates to the field of plate heat exchangers, in particular to a special plate heat exchanger for waste heat utilization of an air compressor.

Background technique

The plate heat exchanger is a high-efficiency heat exchanger composed of a series of metal sheets with a certain corrugated shape. Thin rectangular channels are formed between various plates, through which heat is exchanged. Plate heat exchanger is an ideal equipment for liquid-liquid, liquid-vapor heat exchange. It has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small footprint, wide application and long service life. In the case of the same pressure loss, its heat transfer coefficient is 3-5 times higher than that of the tube heat exchanger, and the floor area is one-third of that of the tube heat exchanger, and the heat recovery rate can be as high as 90% or more; the current plate type During the maintenance of the heat exchanger, two adjacent plates are easy to stick together, so it is necessary to manually separate the adjacent plates. In this process, it is easy to cause scratches to the hands of the operator, and at the same time absorb the air After the heat exchange of the soft water from the heat of the press, there is still a certain temperature that is wasted and cannot be recycled.

Utility model content

The purpose of this utility model is to provide a special plate heat exchanger for waste heat utilization of an air compressor in order to solve the above problems.

The utility model realizes above-mentioned purpose through following technical scheme:

A special plate heat exchanger for waste heat utilization of air compressors, including a heat exchange mechanism for waste heat utilization of air compressors, a preheating mechanism for preheating incoming water during heat utilization, and a heat exchange mechanism for the heat exchange A separation mechanism that is easy to disassemble during mechanism maintenance. The preheating mechanism includes a water outlet pipe, a heating pipe, a water inlet pipe, a return pipe, and a preheating pipe. Both the water inlet pipe and the return pipe are located on the upper side of the heat exchange mechanism , the water inlet pipe is located on the front side of the return pipe, and the preheating pipe is sleeved on the outside of the water inlet pipe, the water outlet pipe and the heating pipe are located on the lower side of the heat exchange mechanism, and the heating pipe Located on the front side of the water outlet pipe; the separation mechanism includes a C-shaped rod, a sliding frame, a separation motor, a transmission wheel, and a separation wheel. The C-shaped rod is located above the heat exchange mechanism, and the sliding frame is slidably connected between two Between the two C-shaped rods, the separation motor is arranged at the rear side of the sliding frame, the transmission wheel is located at the front side of the separation motor, and the separation wheel is located below the transmission wheel.

Preferably: the heat exchange mechanism includes a heat exchange plate, a plate exchange frame, and a pressure plate, the pressure plate is located on the plate exchange frame, and the heat exchange plate is arranged between the plate exchange frame and the pressure plate , and rubber rings for sealing are provided on both sides of each heat exchange plate.

Preferably, the plate exchange rack is located on one side of the heat exchange plate and is provided with a slide rail for the sliding of the pressing plate, and a slide groove is opened at the lower end of the pressing plate.

Preferably: the plate changing frame is fixedly connected with threaded rods at the four corners of the pressing plate, and the pressing plate is connected to the threaded rods of the plate changing frame through nuts.

Preferably: the water outlet pipe, the heating pipe and the return pipe are all welded on one side of the plate changer, and the water outlet pipe, the heating pipe, the water inlet pipe and the return pipe are respectively connected to The liquid flow holes of the heat exchange plates correspond to each other.

Preferably: the outside of the water inlet pipe is welded with a tapered heat-absorbing grid, and the preheating pipe is welded to the water inlet pipe.

Preferably: the side of the preheating pipe close to the heat exchange mechanism is welded with an inlet pipe connected to the return pipe, and the side of the preheating pipe far away from the heat exchange mechanism is welded with an outlet pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. Use the heated soft water to flow between the water inlet pipe and the preheating pipe, so as to preheat the cold water entering the water inlet pipe, and then reuse the remaining heat of the heated and circulated soft water to improve its utilization rate ;

2. Use the separation motor on the C-shaped rod and the sliding frame to drive the transmission wheel to rotate, and drive the separation wheel to rotate through the transmission wheel, so as to facilitate the plate glass when the heat exchange mechanism is removed for maintenance, and then prevent manual disassembly. Cause scratches to hands.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a structural schematic diagram of a special plate heat exchanger for air compressor waste heat utilization according to the utility model;

Fig. 2 is a front view of a special plate heat exchanger for air compressor waste heat utilization according to the utility model;

Fig. 3 is a side view of a special plate heat exchanger for waste heat utilization of an air compressor according to the utility model;

Fig. 4 is a partial part diagram of the plate exchange frame of a special plate heat exchanger for waste heat utilization of an air compressor described in the utility model;

Fig. 5 is a partial part diagram of the separation mechanism of a special plate heat exchanger for waste heat utilization of an air compressor according to the utility model;

Fig. 6 is a partial cross-sectional view of the preheating tube of a special plate heat exchanger for waste heat utilization of an air compressor according to the utility model;

Fig. 7 is a partial part diagram of the separation wheel of the special plate heat exchanger for waste heat utilization of the air compressor described in the utility model;

Fig. 8 is a part diagram of a water inlet pipe of a special plate heat exchanger for waste heat utilization of an air compressor according to the utility model.

The reference signs are explained as follows:

1. Preheating mechanism; 2. Separation mechanism; 3. Heat exchange mechanism; 11. Outlet pipe; 12. Heating pipe; 13. Water inlet pipe; 14. Return pipe; 15. Preheating pipe; 21. C-shaped rod; 22 , sliding frame; 23, separation motor; 24, transmission wheel; 25, separation wheel; 31, heat exchange plate; 32, plate change frame; 33, pressure plate.

Detailed ways

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention through specific situations.

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1-8, a special plate heat exchanger for waste heat utilization of air compressors includes a heat exchange mechanism 3 for waste heat utilization of air compressors, and a preheating mechanism for preheating incoming water during heat utilization. Heat mechanism 1 and separation mechanism 2 for easy disassembly during maintenance of heat exchange mechanism 3;

In this embodiment: the preheating mechanism 1 includes a water outlet pipe 11, a heating pipe 12, a water inlet pipe 13, a return pipe 14, and a preheating pipe 15. Both the water inlet pipe 13 and the return pipe 14 are located on the upper side of the heat exchange mechanism 3, and the water inlet pipe 13 is located on the front side of the return pipe 14, and the preheating pipe 15 is set on the outside of the water inlet pipe 13, the outlet pipe 11 and the heating pipe 12 are located on the lower side of the heat exchange mechanism 3, the heating pipe 12 is located on the front side of the water outlet pipe 11, and the outside of the water inlet pipe 13 A tapered heat-absorbing grid plate is welded, and the preheating pipe 15 is welded to the water inlet pipe 13, and the side of the preheating pipe 15 close to the heat exchange mechanism 3 is welded with an inlet pipe connected to the return pipe 14, and the preheating pipe 15 is far away from the One side of the heat exchange mechanism 3 is welded with a lead-out pipe, and the soft water that absorbs the heat of the air compressor is introduced into the heat exchange mechanism 3 through the heating pipe 12, and the soft water after the heat exchange is introduced through the return pipe 14, and then passed through the heating pipe 12. Lead the water to be heated into the heat exchange mechanism 3, and at the same time use the water outlet pipe 11 to lead out the heated water from here.

In this embodiment: the heat exchange mechanism 3 includes a heat exchange plate 31, a plate exchange frame 32, and a pressure plate 33, the pressure plate 33 is located on the plate exchange frame 32, and the heat exchange plate 31 is arranged between the plate exchange frame 32 and the pressure plate 33 , and both sides of each heat exchange plate 31 are provided with rubber rings for sealing. The plate exchange frame 32 is located on one side of the heat exchange plate 31 and has a slide rail for the sliding of the pressure plate 33, and the lower end of the pressure plate 33 is provided with a chute , the plate exchange frame 32 is fixedly connected with threaded rods at the four corners of the pressure plate 33, the pressure plate 33 is connected to the threaded rods of the plate exchange frame 32 through nuts, and the heat exchange plate 31 is pressed against the plate exchange frame 32 by the pressure plate 33 At the same time, the slide rail of the plate changing frame 32 is used to cooperate with the chute of the pressure plate 33, and then the labor intensity is reduced when the heat exchange plate 31 is disassembled and maintained.

In this embodiment: the separation mechanism 2 includes a C-shaped rod 21, a sliding frame 22, a separation motor 23, a transmission wheel 24, and a separation wheel 25. The C-shaped rod 21 is located above the heat exchange mechanism 3, and the sliding frame 22 is slidably connected between two Between the C-shaped rods 21, the separation motor 23 is arranged on the rear side of the sliding frame 22, the transmission wheel 24 is located on the front side of the separation motor 23, and the separation wheel 25 is located below the transmission wheel 24, and the C-shaped rod 21 is used to support the sliding frame 22. At the same time, the rotating part of the separation motor 23 is used to drive the transmission wheel 24 to rotate, and the rotation of the transmission wheel 24 drives the separation wheel 25 to rotate on the upper side, thereby separating the two adjacent heat exchange plates 31 .

In this embodiment: the water outlet pipe 11, the heating pipe 12 and the return pipe 14 are all welded on one side of the plate change frame 32, and the water outlet pipe 11, the heating pipe 12, the water inlet pipe 13 and the return pipe 14 are respectively connected to the heat exchange plate 31 The liquid flow holes correspond to each other, and the soft water with residual temperature flowing out through the return pipe 14 enters the inside through the introduction pipe of the preheating pipe 15, and absorbs the residual heat of the soft water through the heat-absorbing grille on the water inlet pipe 13, thereby The water flowing in from the water inlet pipe 13 is preheated.

Working principle: When in use, firstly, the soft water heated by the air compressor is introduced into the heat exchange plate 31 between the plate exchange frame 32 and the heat exchange plate 31 through the heating pipe 12, and the water to be heated is also introduced into the heat exchange plate 31 through the water inlet pipe 13. In the heat exchange plates 31, at this time, the flow of soft water between the heat exchange plates 31 is used to heat the water that needs to be heated between the heat exchange plates 31; Lead out and enter the inside of the preheating pipe 15 through the introduction pipe. At this time, the heat-absorbing grid plate of the water inlet pipe 13 is heated by soft water with residual temperature, and the water flowing through the water inlet pipe 13 is preheated by heat transfer. After the preheating, the soft water is exported through the outlet pipe of the preheating pipe 15, and the heat can be fully utilized in the process; at the same time, when the heat exchanger is disassembled and maintained, loosen the nut on the back of the pressure plate 33, and then slide the The frame 22 moves along the C-shaped rod 21 to the heat exchange plate 31 close to the pressure plate 33. At this time, the rotating part of the separation motor 23 drives the transmission wheel 24 to rotate, and the separation wheel 25 is driven by the rotation of the transmission wheel 24. Rotate, use the separation wheel 25 to move the adjacent heat exchange plates 31 to separate, and then prevent the hands from being scratched during the manual separation process.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims (7)

1. The utility model provides a special plate heat exchanger of air compressor machine waste heat utilization, is including heat transfer mechanism (3) that are used for air compressor machine waste heat utilization, its characterized in that: the preheating device is characterized by further comprising a preheating mechanism (1) for preheating inlet water during heat utilization and a separating mechanism (2) for facilitating disassembly during maintenance of the heat exchange mechanism (3), wherein the preheating mechanism (1) comprises a water outlet pipe (11), a heating pipe (12), a water inlet pipe (13), a return pipe (14) and a preheating pipe (15), the water inlet pipe (13) and the return pipe (14) are both positioned on the upper side of the heat exchange mechanism (3), the water inlet pipe (13) is positioned on the front side of the return pipe (14), the preheating pipe (15) is sleeved on the outer side of the water inlet pipe (13), the water outlet pipe (11) and the heating pipe (12) are both positioned on the lower side of the heat exchange mechanism (3), and the heating pipe (12) is positioned on the front side of the water outlet pipe (11); separating mechanism (2) include C type pole (21), carriage (22), separation motor (23), drive wheel (24), separating wheel (25), C type pole (21) are located heat transfer mechanism (3) top, carriage (22) sliding connection is two between C type pole (21), separation motor (23) set up carriage (22) rear side, drive wheel (24) are located separation motor (23) front side, separating wheel (25) are located drive wheel (24) below.

2. The plate heat exchanger special for utilizing the waste heat of the air compressor as claimed in claim 1, wherein: the heat exchange mechanism (3) comprises heat exchange plates (31), plate replacing frames (32) and a pressing plate (33), wherein the pressing plate (33) is located on the plate replacing frames (32), the heat exchange plates (31) are arranged between the plate replacing frames (32) and the pressing plate (33), and rubber rings for sealing are arranged on two sides of each heat exchange plate (31).

3. The plate heat exchanger special for utilizing the waste heat of the air compressor as claimed in claim 2, wherein: the plate replacing frame (32) is positioned on one side of the heat exchange plate (31) and is provided with a sliding rail used for sliding the pressing plate (33), and the lower end of the pressing plate (33) is provided with a sliding groove.

4. The special plate heat exchanger for utilizing waste heat of air compressor of claim 2, characterized in that: the plate replacing frame (32) is located at the position of four corners of the pressing plate (33) and fixedly connected with threaded rods, and the pressing plate (33) is connected to the threaded rods of the plate replacing frame (32) through nuts.

5. The special plate heat exchanger for utilizing waste heat of air compressor of claim 2, characterized in that: the water outlet pipe (11), the heating pipe (12) and the return pipe (14) are welded on one side of the plate replacing frame (32), and the water outlet pipe (11), the heating pipe (12), the water inlet pipe (13) and the return pipe (14) are respectively corresponding to the liquid flowing holes of the heat exchange plate pieces (31).

6. The special plate heat exchanger for utilizing waste heat of air compressor according to claim 1, characterized in that: the outer side of the water inlet pipe (13) is welded with a conical heat absorption grid plate, and the preheating pipe (15) is welded with the water inlet pipe (13).

7. The plate heat exchanger special for utilizing the waste heat of the air compressor as claimed in claim 1, wherein: and a leading-in pipe connected with the return pipe (14) is welded on one side of the preheating pipe (15) close to the heat exchange mechanism (3), and a leading-out pipe is welded on one side of the preheating pipe (15) far away from the heat exchange mechanism (3).

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