Telescopic flue gas waste heat recovery device

Abstract

The utility model relates to the field of flue gas waste heat recovery devices, and discloses a telescopic flue gas waste heat recovery device which comprises a first tank body and a second tank body, the lower portion of the first tank body is fixedly connected with the upper portion of the second tank body in a threaded mode, and a first containing groove is formed in the lower surface of the first tank body. A second containing groove is formed in the upper surface of the second tank body, a smoke inlet pipe is fixedly connected to the outer wall of the upper portion of the front end of the first tank body, and the smoke inlet pipe penetrates through the first tank body to the interior of the first containing groove and is fixedly connected with a heat exchanger. According to the utility model, the first tank body and the second tank body are in threaded connection, and then the first tank body is rotated by pushing the rotating rod, so that the threaded connection of the first tank body and the second tank body is shrunk, and the internal volumes of the first tank body and the second tank body are further increased or reduced, so that the flue gas waste heat in the tank body is more easily transferred into a medium; and the efficiency of the flue gas waste heat recovery device is further improved.

Description

Technical Field

[0001] The utility model relates to the field of flue gas waste heat recovery devices, in particular to a telescopic flue gas waste heat recovery device. Background Art

[0002] The flue gas waste heat recovery device is a device used to recover the waste heat in the flue gas emitted during the industrial production process. Its main function is to transfer the heat energy in the flue gas to the cooling medium, thereby realizing energy reuse. The application of the flue gas waste heat recovery device can greatly improve the energy utilization efficiency and reduce the energy consumption and emissions in the industrial production process. It is widely used in industries such as steel, chemical, electric power, and pulp and paper, and contributes to the energy conservation and emission reduction of enterprises to achieve sustainable development.

[0003] However, during the use of traditional flue gas waste heat recovery devices, it is usually difficult to adjust the expansion and contraction of the tank body, and it is difficult to expand and contract to change the volume inside the tank body when the flue gas is large, so it is difficult to transfer the flue gas waste heat inside the tank body to the medium, which may cause the efficiency of the flue gas waste heat recovery device to decrease. At the same time, during the use of traditional flue gas waste heat recovery devices, it is usually difficult to control the discharge of flue gas, and it is difficult to transfer the waste heat in the flue gas, so it is difficult to maintain or increase the heat in the tank body, which brings inconvenience to workers in long-term use. Therefore, technical improvements are urgently needed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a retractable flue gas waste heat recovery device is proposed. The first tank body and the second tank body are threadedly connected, and the first tank body is rotated by pushing a rotating rod to shrink the threaded connection between the first tank body and the second tank body, thereby increasing or decreasing the volume inside the first tank body and the second tank body, thereby improving the flue gas waste heat inside the tank body. Transfer to the medium is easier, and the efficiency of the flue gas waste heat recovery device is further improved.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A retractable flue gas waste heat recovery device comprises a first tank body and a second tank body, wherein the lower portion of the first tank body is threadedly fixedly connected to the upper portion of the second tank body, a first placement groove is provided on the lower surface of the first tank body, a second placement groove is provided on the upper surface of the second tank body, a smoke inlet pipe is fixedly connected to the outer wall of the upper front end of the first tank body, and the smoke inlet pipe passes through the first tank body and is fixedly connected to the interior of the first placement groove;

[0007] The outer wall of the rear end of the lower part of the second tank body is fixedly connected with a smoke outlet pipe, the front end of the smoke outlet pipe passes through the second tank body to the inside of the second placement tank and is fixedly connected to the lower part of the heat exchanger, the rear end of the smoke outlet pipe is fixedly connected with a sealing cover, the outer wall of the rear end of the sealing cover is fixedly connected with a plurality of diverter pipes, and the outer walls of the rear ends of the diverter pipes are all fixedly connected with smoke exhaust pipes;

[0008] Through the above technical solution, the first tank body and the second tank body are threadedly connected, and then the first tank body is rotated by pushing the rotating rod to shrink the threaded connection between the first tank body and the second tank body, thereby increasing or decreasing the volume inside the first tank body and the second tank body, thereby improving the efficiency of the flue gas waste heat recovery device by making it easier to transfer the flue gas waste heat inside the tank body to the medium.

[0009] Furthermore, a fan is fixedly connected to the outer wall of the rear end of the smoke exhaust pipe, a filter cover is fixedly connected to the rear end of the smoke exhaust pipe, and a guide pipe is fixedly connected to the outer wall of the rear end of the smoke exhaust pipe;

[0010] Through the above technical solution, the smoke in the smoke exhaust pipe can be discharged through the fan, and the discharged smoke can be filtered through the filter cover.

[0011] Furthermore, a water inlet pipe is fixedly connected to one side of the upper surface of the first tank body, and a hot air pipe is fixedly connected to one side of the upper surface of the first tank body away from the outlet of the first tank body;

[0012] According to the above technical solution, water can be injected into the interior of the first tank body through the water inlet pipe, and the hot air in the first tank body can be discharged through the hot air pipe.

[0013] Furthermore, the outer wall of the lower portion of the first tank body is fixedly connected with a rotating rod all around;

[0014] Through the above technical solution, the first tank body can be rotated by pushing the rotating rod.

[0015] Furthermore, a drainage pipe is fixedly connected to one side of the lower surface of the second tank body;

[0016] Through the above technical solution, the water in the second tank can be discharged through the drain pipe.

[0017] Furthermore, a pressure device is fixedly connected to one side of the hot air pipe away from the center of the first tank body;

[0018] Through the above technical solution, the pressure in the first tank can be detected by the pressure sensor.

[0019] Furthermore, the upper portion of the heat exchanger is fixedly connected to the inner top surface of the first placement groove, and the lower portion of the heat exchanger is slidably connected to the inner wall of the second placement groove;

[0020] Through the above technical solution, the upper part of the heat exchanger can be fixedly connected through the first placement groove.

[0021] Furthermore, the tube bodies of the outer walls of the diversion tubes are fixedly connected with electromagnetic control valves;

[0022] Through the above technical solution, the flow rate and opening and closing size of the shunt pipe can be controlled by the electromagnetic control valve.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes a retractable flue gas waste heat recovery device. Compared with the existing flue gas waste heat recovery device, the flue gas waste heat recovery device is connected by a first tank body and a second tank body through a threaded connection, and then the first tank body is rotated by pushing a rotating rod to shrink the threaded connection between the first tank body and the second tank body, thereby increasing or decreasing the volume inside the first tank body and the second tank body, thereby improving the flue gas waste heat inside the tank body to be more easily transferred to the medium, and further improving the efficiency of the flue gas waste heat recovery device.

[0025] 2. The utility model proposes a retractable flue gas waste heat recovery device. Compared with the existing flue gas waste heat recovery device, the flue gas waste heat recovery device can divert the flue gas in the smoke outlet pipe through multiple diversion pipes on the smoke outlet pipe, and then control the opening and closing of the diversion pipe through the electromagnetic control valve on the diversion pipe, thereby controlling the outflow speed and size of the flue gas, so that the waste heat in the flue gas can be transferred evenly, further maintaining or increasing the heat in the tank body.

[0026] 3. The utility model proposes a retractable flue gas waste heat recovery device. Compared with the existing flue gas waste heat recovery device, the flue gas waste heat recovery device can filter the exhausted flue gas through the filter cover on the exhaust pipe, thereby protecting the air environment, and then the pressure inside the tank body can be checked through the pressure gauge on the first tank body, thereby maintaining safety during operation, and at the same time, the pressurized gas in the tank body can be discharged through the hot air pipe, thereby further maintaining the safety of the flue gas waste heat recovery device during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an axonometric diagram of a retractable flue gas waste heat recovery device proposed by the utility model;

[0028] Figure 2 This is an axonometric diagram of a retractable heat exchanger of a flue gas waste heat recovery device proposed by the utility model;

[0029] Figure 3 This is an axonometric diagram of a retractable flue gas waste heat recovery device smoke outlet pipe proposed by the utility model;

[0030] Figure 4This is a partial axonometric diagram of the first tank of a retractable flue gas waste heat recovery device proposed by the utility model;

[0031] Figure 5 This is an axonometric diagram of the second tank body of a retractable flue gas waste heat recovery device proposed in the utility model.

[0032] 1. First tank body; 2. Second tank body; 3. Heat exchanger; 4. Smoke inlet pipe; 5. Smoke outlet pipe; 6. Diverter pipe; 7. Solenoid control valve; 8. Smoke exhaust pipe; 9. Fan; 10. Filter cover; 11. Guide pipe; 12. First placement slot; 13. Second placement slot; 14. Water inlet pipe; 15. Hot air pipe; 16. Rotating rod; 17. Drain pipe; 18. Pressure device; 19. Sealing cover. DETAILED DESCRIPTION

[0033] 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.

[0034] Reference Figure 1-5 The utility model provides an embodiment: a retractable flue gas waste heat recovery device, comprising a first tank body 1 and a second tank body 2, the lower part of the first tank body 1 is fixedly connected with the upper part of the second tank body 2 by threads, a first placement groove 12 is provided on the lower surface of the first tank body 1, and a second placement groove 13 is provided on the upper surface of the second tank body 2, a smoke inlet pipe 4 is fixedly connected to the outer wall of the upper front end of the first tank body 1, and the smoke inlet pipe 4 passes through the first tank body 1 to the inside of the first placement groove 12 and is fixedly connected to a heat exchanger 3;

[0035] The outer wall of the rear end of the lower part of the second tank body 2 is fixedly connected with a smoke outlet pipe 5, the front end of the smoke outlet pipe 5 passes through the second tank body 2 to the inside of the second placement groove 13 and is fixedly connected to the lower part of the heat exchanger 3, the rear end of the smoke outlet pipe 5 is fixedly connected with a sealing cover 19, the outer wall of the rear end of the sealing cover 19 is fixedly connected with a plurality of diverter pipes 6, and the outer walls of the rear ends of the diverter pipes 6 are all fixedly connected with a smoke exhaust pipe 8;

[0036] The first tank body 1 and the second tank body 2 are threadedly connected, and the first tank body 1 is rotated by pushing the rotating rod 16 to shrink the threaded connection between the first tank body 1 and the second tank body 2, thereby increasing or decreasing the internal volume of the first tank body 1 and the second tank body 2, thereby improving the efficiency of the flue gas waste heat recovery device by making it easier to transfer the flue gas waste heat inside the tank body to the medium.

[0037] The outer wall of the rear end of the smoke exhaust pipe 8 is fixedly connected to a fan 9, the rear end of the smoke exhaust pipe 8 is fixedly connected to a filter cover 10, and the outer wall of the rear end of the smoke exhaust pipe 8 is fixedly connected to a guide pipe 11. The smoke in the smoke exhaust pipe 8 can be discharged through the fan 9, and the discharged smoke can be filtered through the filter cover 10. A water inlet pipe 14 is fixedly connected to one side of the upper surface of the first tank body 1, and a hot air pipe 15 is fixedly connected to the side of the upper surface of the first tank body 1 away from the outlet of the first tank body 1. Water can be injected into the interior of the first tank body 1 through the water inlet pipe 14, and hot air in the first tank body 1 can be discharged through the hot air pipe 15. The outer wall of the lower part of the first tank body 1 is fixedly connected to a rotating rod 16 all around, and the rotating rod is pushed 16 can make the first tank body 1 rotate, a drain pipe 17 is fixedly connected to one side of the lower surface of the second tank body 2, and the water in the second tank body 2 can be discharged through the drain pipe 17, the hot air pipe 15 is fixedly connected to the side away from the center of the first tank body 1 with a pressure gauge 18, and the pressure in the first tank body 1 can be detected by the pressure gauge 18, the upper part of the heat exchanger 3 is fixedly connected to the inner top surface of the first placement groove 12, the lower part of the heat exchanger 3 is slidably connected to the inner wall of the second placement groove 13, and the upper part of the heat exchanger 3 can be fixedly connected through the first placement groove 12, and the tube body of the outer wall of the shunt pipe 6 is fixedly connected with an electromagnetic control valve 7, and the flow rate and opening and closing size of the shunt pipe 6 can be controlled by the electromagnetic control valve 7.

[0038] Working principle: When the flue gas waste heat recovery device is used, the first tank body 1 and the second tank body 2 are threadedly connected during use, and then the first tank body 1 is rotated by pushing the rotating rod 16 to shrink the threaded connection between the first tank body 1 and the second tank body 2, thereby increasing or decreasing the internal volume of the first tank body 1 and the second tank body 2, thereby making it easier to transfer the flue gas waste heat inside the tank body to the medium, thereby improving the efficiency of the flue gas waste heat recovery device. The flue gas waste heat recovery device can divert the flue gas in the smoke outlet pipe 5 through a plurality of diverter pipes 6 on the smoke outlet pipe 5, and then the electric The magnetic control valve 7 controls the opening and closing of the shunt pipe 6, and further controls the outflow speed and size of the flue gas, so that the waste heat in the flue gas can be transferred evenly, and the heat in the tank body can be maintained or increased. The flue gas waste heat recovery device can filter the exhausted flue gas through the filter cover 10 on the exhaust pipe 8, and further protect the air environment. The pressure in the tank body can be checked through the pressure gauge 18 on the first tank body 1, so as to maintain safety during operation. At the same time, the pressurized gas in the tank body can be discharged through the hot air pipe 15, so as to maintain safety during operation of the flue gas waste heat recovery device.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A retractable flue gas waste heat recovery device, comprising a first tank body (1) and a second tank body (2), characterized in that: The lower part of the first tank body (1) is threadedly fixedly connected to the upper part of the second tank body (2); a first placement groove (12) is provided on the lower surface of the first tank body (1); a second placement groove (13) is provided on the upper surface of the second tank body (2); a smoke inlet pipe (4) is fixedly connected to the outer wall of the upper front end of the first tank body (1); the smoke inlet pipe (4) passes through the first tank body (1) and is fixedly connected to the interior of the first placement groove (12) with a heat exchanger (3); The outer wall at the rear end of the lower part of the second tank body (2) is fixedly connected to a smoke outlet pipe (5); the front end of the smoke outlet pipe (5) passes through the second tank body (2) to the interior of the second placement groove (13) and is fixedly connected to the lower part of the heat exchanger (3); the rear end of the smoke outlet pipe (5) is fixedly connected to a sealing cover (19); the outer wall at the rear end of the sealing cover (19) is fixedly connected to a plurality of diverter pipes (6); and the outer walls at the rear ends of the diverter pipes (6) are all fixedly connected to a smoke exhaust pipe (8).

2. The retractable flue gas waste heat recovery device according to claim 1 is characterized in that: The outer wall of the rear end of the smoke exhaust pipe (8) is fixedly connected to a fan (9), the rear end of the smoke exhaust pipe (8) is fixedly connected to a filter cover (10), and the outer wall of the rear end of the smoke exhaust pipe (8) is fixedly connected to a guide pipe (11).

3. The retractable flue gas waste heat recovery device according to claim 1 is characterized in that: A water inlet pipe (14) is fixedly connected to one side of the upper surface of the first tank body (1), and a hot air pipe (15) is fixedly connected to the side of the upper surface of the first tank body (1) away from the outlet of the first tank body (1).

4. The retractable flue gas waste heat recovery device according to claim 1 is characterized in that: The lower outer wall of the first tank body (1) is fixedly connected to a rotating rod (16) all around.

5. The retractable flue gas waste heat recovery device according to claim 1 is characterized in that: A drainage pipe (17) is fixedly connected to one side of the lower surface of the second tank body (2).

6. The retractable flue gas waste heat recovery device according to claim 3 is characterized in that: A pressure device (18) is fixedly connected to one side of the hot air pipe (15) away from the center of the first tank body (1).

7. The retractable flue gas waste heat recovery device according to claim 1 is characterized in that: The upper part of the heat exchanger (3) is fixedly connected to the inner top surface of the first placement groove (12), and the lower part of the heat exchanger (3) is slidably connected to the inner wall of the second placement groove (13).

8. The retractable flue gas waste heat recovery device according to claim 1, characterized in that: The tube body of the outer wall of the diverter tube (6) is fixedly connected with an electromagnetic control valve (7).

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