Waste heat recovery type heat exchanger

Abstract

The utility model discloses a waste heat recovery type heat exchanger which comprises a heat exchanger shell used for supporting, a limiting clamping seat located on the side end face of the heat exchanger shell and close to the upper portion, and a liquid inlet guide pipe and a liquid discharging guide pipe arranged on the side end face of the heat exchanger shell and away from the limiting clamping seat. The liquid drainage guide pipe is fixedly arranged on the lower end face, close to the limiting clamping base, of the heat exchanger shell. By arranging the heat exchange device, when heat exchange operation is carried out, the servo motor can drive the driven gear to rotate through the driving gear, and the driven gear can drive the liquid guide pipe, the transverse heat exchange pipe and the longitudinal heat exchange pipe to rotate at a high speed; the transverse heat exchange pipes and the longitudinal heat exchange pipes are arranged in the heat exchanger shell, hot liquid in the transverse heat exchange pipes and the longitudinal heat exchange pipes can fully exchange heat with cold liquid in the heat exchanger shell, the heat exchange area of the cold liquid and the hot liquid can be effectively increased when the transverse heat exchange pipes and the longitudinal heat exchange pipes conduct rotating heat exchange, and then the heat exchange efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchanger equipment, in particular to a waste heat recovery type heat exchanger. Background Art

[0002] The application range of waste heat recovery heat exchangers is very wide. They can be used in chemical, petroleum, metallurgy, electric power, light industry and other fields, especially in some high-temperature, high-pressure and highly corrosive production processes. By recovering waste heat, it can improve energy utilization, reduce the energy consumption and production costs of enterprises, and reduce pollution to the environment, achieving the goals of energy conservation, emission reduction and sustainable development.

[0003] As disclosed in the publication number: CN216620743U, the utility model patent disclosed is a heat exchanger with a waste heat recovery function, comprising a tank body, a heat exchange mechanism and a preheating mechanism, wherein both ends of the tank body are fixedly connected to a cold liquid inlet and a cold liquid outlet, respectively, and two first partitions are vertically fixedly connected inside the tank body, a preheating chamber is formed between the first partition and the cold liquid inlet, a cold liquid collecting chamber is formed between the first partition and the cold liquid outlet, and a plurality of cold liquid pipes are horizontally fixedly connected between the first partitions for facilitating the passage of cold liquid. The utility model utilizes a heat conducting plate to make the cold liquid pipe and the hot liquid pipe fully contact, thereby improving the heat exchange efficiency. At the same time, the cold liquid pipe is preheated inside the second liquid inlet chamber, thereby further improving the heat exchange efficiency. The utility model transports the waste heat liquid discharged from the hot liquid outlet to the inside of the preheating pipe through the liquid conducting pipe, and utilizes the waste heat of the waste heat liquid in the preheating pipe to preheat the cold liquid transported by the cold liquid inlet, thereby realizing the recovery and reuse of the waste heat.

[0004] Although the above-mentioned heat exchanger can recover part of the waste heat, the heat exchange structure in the above-mentioned heat exchanger is in a static state, so that the area of ​​interaction between the coolant and the hot liquid is insufficient per unit time, thereby reducing the heat exchange efficiency. Therefore, a waste heat recovery heat exchanger is urgently needed to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a waste heat recovery type heat exchanger to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste heat recovery type heat exchanger, comprising a heat exchanger shell for support, a limit clamp seat is arranged near the upper part of the side end surface of the heat exchanger shell, and a liquid inlet conduit is arranged at the side end surface of the heat exchanger shell away from the limit clamp seat,

[0007] A liquid discharge conduit, the liquid discharge conduit being fixedly arranged on the lower end surface of the heat exchanger housing near the limit clamping seat;

[0008] A sealing card seat, the sealing card seat is fixedly arranged on the upper end surface of the heat exchanger shell near the liquid inlet conduit, and the inner end surface of the sealing card seat is sealed and fixedly clamped with the limiting pipe;

[0009] A heat exchange device, one end of which is sealed and rotatably connected to the inner end surface of the heat exchanger shell, and the other end of which is sealed and rotatably connected to the limiting pipe, a servo motor is fixedly provided on the side end surface of the limiting socket, and a driving gear is fixedly provided at the output end of the servo motor.

[0010] Preferably, the heat exchange device includes a liquid guiding tube, a driven gear is arranged on the side end face of the liquid guiding tube near the end head, and five groups of longitudinal heat exchange tubes are arranged equidistantly on the outer end face of the liquid guiding tube, transverse heat exchange tubes are arranged through the inner end faces of the five groups of longitudinal heat exchange tubes, and a sealing rotor is fixedly arranged at the center of the side end face of the liquid guiding tube.

[0011] Preferably, the driving gear is meshed with the driven gear, which can improve the stability of equipment transmission.

[0012] Preferably, the liquid guide tube is sealed and rotated to be clamped with the bottom opening of the limiting pipe through the sealing rotor. The limiting pipe can not only provide sufficient sealing limiting foundation for the sealing rotor, but also facilitate the subsequent discharge of the liquid after heat exchange.

[0013] Preferably, the transverse heat exchange tubes, longitudinal heat exchange tubes, liquid guide tubes and sealed rotors are all connected in a through manner, which can effectively increase the area of ​​subsequent heat exchange between cold liquid and hot liquid and improve the heat exchange efficiency.

[0014] Preferably, the outer end surface of the liquid guide tube is sealed and rotatably connected to the inner wall of the heat exchanger shell, and the longitudinal heat exchange tube does not contact the inner wall of the heat exchanger shell, which can prevent the longitudinal heat exchange tube from being limited inside the heat exchanger shell during subsequent heat exchange, thereby affecting the heat exchange efficiency.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model sets a heat exchange device. When performing heat exchange operation, the servo motor can drive the driven gear to rotate through the driving gear, and the driven gear can drive the liquid guide tube, the horizontal heat exchange tube and the longitudinal heat exchange tube to rotate at a high speed, so that the hot liquid inside the horizontal heat exchange tube and the longitudinal heat exchange tube can fully exchange heat with the cold liquid inside the heat exchanger shell. When the horizontal heat exchange tube and the longitudinal heat exchange tube are rotating for heat exchange, the heat exchange area between the cold liquid and the hot liquid can be effectively increased, thereby improving the heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a disassembled diagram of the main body of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the main body of the utility model;

[0019] Figure 3 It is a schematic structural diagram of the heat exchange device of the present utility model.

[0020] In the figure: 1-liquid inlet conduit, 2-sealing holder, 3-limiting pipe, 4-heat exchange device, 5-driving gear, 6-servo motor, 7-limiting holder, 8-heat exchanger shell, 9-liquid discharge conduit, 41-transverse heat exchange tube, 42-longitudinal heat exchange tube, 43-driven gear, 44-liquid guide tube, 45-sealing rotor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 The utility model provides an embodiment: a waste heat recovery type heat exchanger, comprising a heat exchanger shell 8 for support, a limit clamping seat 7 is arranged near the upper part of the side end surface of the heat exchanger shell 8, and a liquid inlet conduit 1 is arranged at the side end surface of the heat exchanger shell 8 away from the limit clamping seat 7,

[0023] A liquid discharge conduit 9, which is fixedly arranged on the lower end surface of the heat exchanger housing 8 near the limit holder 7;

[0024] The sealing card seat 2 is fixedly arranged on the upper end surface of the heat exchanger shell 8 near the liquid inlet conduit 1, and the inner end surface of the sealing card seat 2 is sealed and fixedly clamped with the limiting pipe 3;

[0025] The heat exchange device 4 has one end that is sealed and rotatably connected to the inner end surface of the heat exchanger shell 8, and the other end of the heat exchange device 4 is sealed and rotatably connected to the limiting pipe 3. A servo motor 6 is fixedly provided on the side end surface of the limiting clamp 7, and a driving gear 5 is fixedly provided at the output end of the servo motor 6.

[0026] The heat exchange device 4 includes a liquid guiding tube 44, a driven gear 43 is arranged near the end of the side end face of the liquid guiding tube 44, and five groups of longitudinal heat exchange tubes 42 are arranged equidistantly on the outer end face of the liquid guiding tube 44, transverse heat exchange tubes 41 are arranged through the inner end faces of the five groups of longitudinal heat exchange tubes 42, and a sealing rotor 45 is fixedly arranged at the center of the side end face of the liquid guiding tube 44.

[0027] The driving gear 5 is meshed with the driven gear 43 to improve the transmission stability of the equipment.

[0028] The liquid guide tube 44 is sealed and rotated to be clamped with the bottom opening of the limiting pipe 3 through the sealing rotor 45. The limiting pipe 3 can not only provide sufficient sealing and limiting foundation for the sealing rotor 45, but also facilitate the subsequent discharge of the liquid after heat exchange.

[0029] The transverse heat exchange tube 41, the longitudinal heat exchange tube 42, the liquid guide tube 44 and the sealing rotor 45 are all connected through each other, which can effectively increase the area of ​​subsequent heat exchange between cold liquid and hot liquid and improve the heat exchange efficiency.

[0030] The outer end surface of the liquid guide tube 44 is sealed and rotatably connected to the inner wall of the heat exchanger shell 8, and the longitudinal heat exchange tube 42 does not contact the inner wall of the heat exchanger shell 8, which can prevent the longitudinal heat exchange tube 42 from being limited inside the heat exchanger shell 8 during subsequent heat exchange, thereby affecting the heat exchange efficiency.

[0031] Working principle: When performing heat exchange operation, the user can introduce cold liquid through the liquid inlet conduit 1, and then discharge it through the liquid discharge conduit 9. At the same time, the hot liquid can be introduced through the liquid guide tube 44, and then discharged through the limiting pipe 3. At this time, the cold liquid and the hot liquid are set in a counter-attack manner, which can effectively improve the efficiency of heat exchange. At the same time, when performing heat exchange, the servo motor 6 can drive the driving gear 5 to rotate, and the driving gear 5 can drive the liquid guide tube 44 to rotate through the driven gear 43. At the same time, the liquid guide tube 44 can synchronously drive the horizontal heat exchange tube 41 and the longitudinal heat exchange tube 42 to rotate, so that the cold liquid and the hot liquid can maximize the heat exchange area per unit time, thereby improving the heat exchange efficiency.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste heat recovery heat exchanger, comprising a heat exchanger shell (8) for support, a limit clamping seat (7) is arranged near the upper part of the side end surface of the heat exchanger shell (8), and a liquid inlet conduit (1) is arranged at the side end surface of the heat exchanger shell (8) away from the limit clamping seat (7), characterized in that: A liquid discharge conduit (9), the liquid discharge conduit (9) being fixedly arranged on the lower end surface of the heat exchanger housing (8) near the limit clamping seat (7); A sealing card seat (2), the sealing card seat (2) being fixedly arranged on the upper end surface of the heat exchanger shell (8) close to the liquid inlet conduit (1), and the inner end surface of the sealing card seat (2) being sealingly fixedly engaged with the limiting pipe (3); A heat exchange device (4), one end of the heat exchange device (4) is sealed and rotatably connected to the inner end surface of the heat exchanger shell (8), and the other end of the heat exchange device (4) is sealed and rotatably connected to the limit pipe (3), a servo motor (6) is fixedly provided on the side end surface of the limit clamping seat (7), and a driving gear (5) is fixedly provided at the output end of the servo motor (6).

2. The waste heat recovery heat exchanger according to claim 1, characterized in that: The heat exchange device (4) comprises a liquid guiding tube (44), a driven gear (43) is arranged near the end of the side end surface of the liquid guiding tube (44), five groups of longitudinal heat exchange tubes (42) are arranged at equal intervals on the outer end surface of the liquid guiding tube (44), transverse heat exchange tubes (41) are arranged through the inner end surfaces of the five groups of longitudinal heat exchange tubes (42), and a sealing rotor (45) is fixedly arranged at the center of the side end surface of the liquid guiding tube (44).

3. The waste heat recovery heat exchanger according to claim 2, characterized in that: The driving gear (5) is meshingly connected with the driven gear (43).

4. The waste heat recovery heat exchanger according to claim 2, characterized in that: The liquid guide tube (44) is sealed and rotated to be clamped with the bottom opening of the limiting pipe (3) through the sealing rotating head (45).

5. The waste heat recovery heat exchanger according to claim 2, characterized in that: The transverse heat exchange tube (41), the longitudinal heat exchange tube (42), the liquid guide tube (44) and the sealing rotor (45) are all connected in a through-connection manner.

6. The waste heat recovery heat exchanger according to claim 2, characterized in that: The outer end surface of the liquid guide tube (44) is sealed and rotatably engaged with the inner wall of the heat exchanger shell (8), and the longitudinal heat exchange tube (42) does not contact the inner wall of the heat exchanger shell (8).

Images