Efficient waste heat recovery and conversion device

Abstract

The invention relates to the technical field of efficient waste heat recovery and conversion devices, and discloses an efficient waste heat recovery and conversion device which comprises a hot waste gas exhaust pipe with a wind scooper, a waste heat collection box, an exhaust gas exhaust chamber, a heat exchange tank and a waste gas solid particle capturing chamber. Wherein the heat exchange tank, the waste gas solid particle capturing chamber, the activated carbon adsorption chamber and the exhaust discharging chamber are communicated, waste gas enters the heat exchange tank through a hot waste gas discharging pipe, sequentially penetrates through the waste gas solid particle capturing chamber and the activated carbon adsorption chamber and then is discharged from an exhaust port in the rear of the exhaust discharging chamber, and heat conduction oil is arranged in the heat exchange circulating pipe. The impeller is driven to rotate through kinetic energy of waste gas, then the propelling screw is driven to rotate under the matching action of the magnetic attraction assembly, heat conduction oil arranged in the heat exchange circulating pipe is driven to circulate, the heat conduction oil surges into the waste heat collecting box to be heated after rapidly absorbing heat, and the overall structure is compact and reasonable.

Description

Technical Field

[0001] The invention relates to the technical field of high-efficiency waste heat recovery and conversion devices, in particular to a high-efficiency waste heat recovery and conversion device. Background Art

[0002] The existing Chinese patent publication number (CN218937096U) discloses a waste heat recovery and conversion device, including a mounting frame, wherein the upper right side of the mounting frame is fixedly connected to the lower side of the fan, the fan is connected to the lower right side of the exhaust pipe, the middle part of the exhaust pipe is connected to a heat exchange box, an aluminum-based copper-clad heat-conducting pipe is embedded in the heat exchange box, the lower side of the heat-conducting pipe is connected to the input end of the water inlet pipe, and the upper side of the aluminum-based copper-clad heat-conducting pipe is connected to the output end of the water pipe. The left side of the heat exchange box is an insulated water tank, the lower side of the insulated water tank is a main control module, and the rear side of the main control module is fixedly connected to the front side of the mounting frame. The recovery and conversion device can filter impurities in the water by providing a filter module, and the scale on the inner wall of the water pipe can be cleaned in time by a pulse descaling unit, so as to prevent the water pipe and the inner wall of the heat exchange pipe from being blocked, thereby improving the heat exchange efficiency of the equipment, and when a fault occurs in the equipment, it can be discovered in time by providing an indicator light and an alarm, so as to prevent heat loss and waste, and the outlet water temperature can be controlled by providing a proportional integral valve in combination with an operation panel and an interactive screen.

[0003] However, the heat recovery effect on exhaust gas is average.

[0004] This case is proposed to solve or improve the shortcomings or deficiencies of the prior art. Summary of the invention

[0005] The present invention is achieved by adopting the following technical solutions:

[0006] A high-efficiency waste heat recovery and conversion device comprises a hot exhaust gas exhaust pipe with an air guide cover and a waste heat collection box, an exhaust gas discharge chamber, a heat exchange tank, and a waste gas solid particle capture chamber. A heat exchange tank is fixedly arranged on the waste gas solid particle capture chamber, wherein the heat exchange tank, the waste gas solid particle capture chamber, the activated carbon adsorption chamber, and the exhaust gas discharge chamber are connected, and the waste gas enters the heat exchange tank through the hot exhaust gas exhaust pipe, passes through the waste gas solid particle capture chamber and the activated carbon adsorption chamber in turn, and is discharged from the exhaust port at the rear of the exhaust gas discharge chamber. The device also comprises a heat exchange circulation pipe, in which heat transfer oil is arranged. Part of the heat exchange circulation pipe is exposed to the outside and part of it passes through the waste heat collection box, the exhaust gas discharge chamber, the activated carbon adsorption chamber, the waste gas solid particle capture chamber, and the heat exchange tank. The heat transfer oil flows counterclockwise and absorbs the waste gas heat in the heat exchange tank and brings it to the waste heat collection box for collection and storage.

[0007] In a preferred embodiment, a tangential air duct joint is fixedly provided on the heat exchange tank, the tangential air duct joint is connected to the hot exhaust gas exhaust pipe, and the exhaust gas enters the heat exchange tank along the tangential direction of the heat exchange tank.

[0008] In a preferred embodiment, a bearing rotating base is provided at the top of the heat exchange tank, and an impeller is rotatably provided at the lower end of the bearing rotating base. After the exhaust gas is blown into the heat exchange tank through the tangential air duct joint, the impeller is driven to rotate.

[0009] In a preferred embodiment, a propulsion screw is rotatably provided in the heat exchange circulation pipe portion located in the heat exchange tank, a rubber strip is fixedly provided on the edge of the propulsion screw and is in sealing contact with the inner wall of the heat exchange circulation pipe, a rubidium magnet block is fixedly provided in an annular shape on the upper end of the propulsion screw, and a rubidium magnet block is also fixedly provided in an annular shape on the inner wall of the impeller. When the impeller rotates, the propulsion screw is driven to rotate by the magnetic attraction between the rubidium magnets, and the heat transfer oil arranged in the propulsion screw starts to circulate, so that the low-temperature heat transfer oil generates a large temperature difference with the internal exhaust gas when passing through the heat exchange tank, which facilitates rapid heat absorption, and then the heat transfer oil moves to bring the heat to the waste heat collection box, and the exhaust gas is discharged after being cooled through the exhaust gas solid particle capture chamber, the activated carbon adsorption chamber, and the exhaust discharge chamber.

[0010] In a preferred embodiment, the inner wall of the heat exchange tank, the heat exchange circulation pipe and the outer wall of the impeller are provided with an anti-corrosion coating.

[0011] In a preferred embodiment, an electric control box is also included to control the electrical equipment of the device.

[0012] In a preferred embodiment, an electrostatic grid adsorber is provided in the exhaust gas solid particle capture chamber, and ventilation grooves penetrating in the vertical direction are provided between the electrostatic grid adsorbers for exhaust gas to be discharged into the activated carbon adsorption chamber.

[0013] In a preferred embodiment, a heat-insulating coating is provided on the outside of the neodymium magnet disposed at the upper end of the advancement screw, and the operating temperature of the hard body part on the advancement screw does not exceed 200 degrees Celsius.

[0014] In a preferred embodiment, a thermal insulation coating is provided on the surface of the impeller, and a thermal insulation coating is also provided on the outside of the neodymium magnet arranged on the inner wall of the impeller, and the temperature of the impeller does not exceed 200 degrees Celsius during operation.

[0015] The advantages and positive effects of the present invention are:

[0016] 1. The kinetic energy of the exhaust gas drives the impeller to rotate, and then the propulsion screw is driven to rotate under the cooperation of the magnetic suction component, thereby driving the heat transfer oil arranged in the heat exchange circulation pipe and the inside to circulate. The heat transfer oil quickly absorbs the heat and flows into the waste heat collection box to heat it up. The overall structure is compact and reasonable, does not require motor drive, has low energy consumption, and is low in cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a structural schematic diagram of 23 and related accessories arranged in the heat exchange tank 12 in the present invention.

[0020] Markings in the attached figure: 10, air guide cover; 11, hot exhaust gas exhaust pipe; 12, heat exchange tank; 13, heat exchange circulation pipe; 14, exhaust gas solid particle capture chamber; 15, activated carbon adsorption chamber; 16, exhaust discharge chamber; 17, electric control box; 18, waste heat collection box; 19, bearing rotating base; 20, impeller; 21, propulsion screw; 22, tangential air duct joint. DETAILED DESCRIPTION

[0021] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0022] The embodiments of the present invention are further described in detail below with reference to the accompanying drawings:

[0023] If there are terms involving directional indications or positional relationships in the embodiments of the present application (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings); if the specific posture changes, the directional indication or positional relationship will also change accordingly. In addition, the terms "first", "second", etc. involved in the embodiments of the present application are only used for the purpose of convenience of description and cannot be understood as indicating or implying relative importance.

[0024] like Figure 1-2As shown, a high-efficiency waste heat recovery and conversion device described in the present invention includes a hot exhaust gas exhaust pipe 11 with an air guide cover 10 and a waste heat collection box 18, an exhaust gas discharge chamber 16, a heat exchange tank 12, and an exhaust gas solid particle capture chamber 14. The heat exchange tank 12 is fixedly arranged on the exhaust gas solid particle capture chamber 14, wherein the heat exchange tank 12, the exhaust gas solid particle capture chamber 14, the activated carbon adsorption chamber 15, and the exhaust gas discharge chamber 16 are connected, and the exhaust gas enters the heat exchange tank 12 through the hot exhaust gas exhaust pipe 11 and passes through the exhaust gas solid particle capture chamber 14 in turn. The solid particle capture chamber 14 and the activated carbon adsorption chamber 15 are then discharged from the exhaust port behind the exhaust emission chamber 16, and the heat exchange circulation pipe 13 is also included. The heat exchange circulation pipe 13 is provided with heat transfer oil. Part of the heat exchange circulation pipe 13 is exposed to the outside and part passes through the waste heat collection box 18, the exhaust emission chamber 16, the activated carbon adsorption chamber 15, the waste gas solid particle capture chamber 14, and the heat exchange tank 12. The heat transfer oil flows counterclockwise and absorbs the waste gas heat in the heat exchange tank 12 and is brought to the waste heat collection box 18 for collection and storage.

[0025] In a preferred embodiment, a tangential air duct joint 22 is fixedly provided on the heat exchange tank 12 , and the tangential air duct joint 22 is connected to the hot exhaust gas exhaust pipe 11 , and the exhaust gas enters the heat exchange tank 12 along the tangential direction of the heat exchange tank 12 .

[0026] In a preferred embodiment, a bearing rotating base 19 is provided at the top of the heat exchange tank 12, and an impeller 20 is rotatably provided at the lower end of the bearing rotating base 19. The exhaust gas is blown into the heat exchange tank 12 through the tangential air duct joint 22 and then drives the impeller 20 to rotate.

[0027] In a preferred embodiment, a propulsion screw 21 is rotatably provided in the heat exchange circulation pipe 13 located in the heat exchange tank 12, and a rubber strip is fixedly provided on the edge of the propulsion screw 21 to seal and contact with the inner wall of the heat exchange circulation pipe 13. A rubidium magnet block is fixedly provided in an annular shape on the upper end of the propulsion screw 21, and a rubidium magnet block is also fixedly provided in an annular shape on the inner wall of the impeller 20. When the impeller 20 rotates, the propulsion screw 21 is driven to rotate by the magnetic attraction between the rubidium magnets, and the heat transfer oil arranged in the propulsion screw 21 starts to circulate. In this way, the low-temperature heat transfer oil generates a large temperature difference with the internal exhaust gas when passing through the heat exchange tank 12, which facilitates rapid heat absorption. Then the heat transfer oil moves to bring the heat to the waste heat collection box 18, and the exhaust gas is discharged after cooling through the exhaust gas solid particle capture chamber 14, the activated carbon adsorption chamber 15, and the exhaust discharge chamber 16.

[0028] In a preferred embodiment, the inner wall of the heat exchange tank 12 and the outer walls of the heat exchange circulation pipe 13 and the impeller 20 are provided with an anti-corrosion coating.

[0029] In a preferred embodiment, an electric control box 17 is also included to control the electrical equipment of the device.

[0030] In a preferred embodiment, an electrostatic grid adsorber is provided in the exhaust gas solid particle capture chamber 14 , and ventilation grooves penetrating in the vertical direction are provided between the electrostatic grid adsorbers for exhaust gas to be discharged into the activated carbon adsorption chamber 15 .

[0031] In a preferred embodiment, a heat-insulating coating is provided on the outside of the neodymium magnet disposed at the upper end of the advancement screw 21, and the operating temperature of the hard body part on the advancement screw 21 does not exceed 200 degrees Celsius.

[0032] In a preferred embodiment, a thermal insulation coating is provided on the surface of the impeller 20, and a thermal insulation coating is also provided on the outside of the neodymium magnet arranged on the inner wall of the impeller 20, and the temperature of the impeller 20 does not exceed 200 degrees Celsius during operation.

[0033] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive, and therefore the present invention is not limited to the embodiments described in the specific implementation manners. Any other implementation manners derived by those skilled in the art based on the technical solutions of the present invention also fall within the scope of protection of the present invention.

Claims

1. A high-efficiency waste heat recovery and conversion device, characterized in that: The invention comprises a hot exhaust gas exhaust pipe (11) with an air guide cover (10), a waste heat collection box (18), an exhaust gas discharge chamber (16), a heat exchange tank (12), and an exhaust gas solid particle capture chamber (14), wherein the heat exchange tank (12) is fixedly arranged on the exhaust gas solid particle capture chamber (14), wherein the heat exchange tank (12), the exhaust gas solid particle capture chamber (14), the activated carbon adsorption chamber (15), and the exhaust gas discharge chamber (16) are connected, and the exhaust gas enters the heat exchange tank (12) through the hot exhaust gas exhaust pipe (11) and passes through the exhaust gas solid particle capture chamber (14) in sequence. ), and then discharged from the exhaust port behind the exhaust discharge chamber (16) after passing through the activated carbon adsorption chamber (15), and further comprising a heat exchange circulation pipe (13), wherein heat transfer oil is arranged in the heat exchange circulation pipe (13), and the heat exchange circulation pipe (13) is partially exposed to the outside and partially passes through the waste heat collection box (18), the exhaust discharge chamber (16), the activated carbon adsorption chamber (15), the waste gas solid particle capture chamber (14), and the heat exchange tank (12), wherein the heat transfer oil flows counterclockwise and absorbs the waste gas heat in the heat exchange tank (12) and is brought to the waste heat collection box (18) for collection and storage.

2. The high-efficiency waste heat recovery and conversion device according to claim 1 is characterized in that: A tangential air duct joint (22) is fixedly provided on the heat exchange tank (12), the tangential air duct joint (22) is connected to the hot exhaust gas exhaust pipe (11), and the exhaust gas enters the heat exchange tank (12) along the tangential direction of the heat exchange tank (12).

3. The high-efficiency waste heat recovery and conversion device according to claim 2 is characterized in that: A bearing rotating base (19) is provided at the top of the heat exchange tank (12), and an impeller (20) is rotatably provided at the lower end of the bearing rotating base (19). Exhaust gas is blown into the heat exchange tank (12) through the tangential air duct joint (22), and then drives the impeller (20) to rotate.

4. The high-efficiency waste heat recovery and conversion device according to claim 3 is characterized in that: A propulsion screw (21) is rotatably provided in the heat exchange circulation pipe (13) located in the heat exchange tank (12). A rubber strip is fixedly provided on the edge of the propulsion screw (21) so as to be in sealing contact with the inner wall of the heat exchange circulation pipe (13). A rubidium magnet block is fixedly provided in an annular shape at the upper end of the propulsion screw (21), and a rubidium magnet block is also fixedly provided in an annular shape on the inner wall of the impeller (20). When the impeller (20) rotates, the propulsion screw (21) is driven to rotate by the magnetic attraction between the rubidium magnets, and the heat transfer oil arranged in the propulsion screw (21) starts to circulate. When the low-temperature heat transfer oil passes through the heat exchange tank (12), a large temperature difference is generated with the internal exhaust gas, which facilitates rapid heat absorption. Then, the heat transfer oil moves to bring the heat to the waste heat collection box (18), and the exhaust gas is discharged after cooling through the exhaust gas solid particle capture chamber (14), the activated carbon adsorption chamber (15), and the exhaust gas discharge chamber (16).

5. The high-efficiency waste heat recovery and conversion device according to claim 4 is characterized in that: The inner wall of the heat exchange tank (12) and the outer walls of the heat exchange circulation pipe (13) and the impeller (20) are provided with an anti-corrosion coating.

6. The high-efficiency waste heat recovery and conversion device according to claim 5 is characterized in that: It also includes an electric control box (17) for controlling the electrical equipment of the device.

7. The high-efficiency waste heat recovery and conversion device according to claim 6 is characterized in that: An electrostatic grid adsorber is provided in the waste gas solid particle capture chamber (14), and ventilation grooves penetrating in the vertical direction are provided between the electrostatic grid adsorbers for exhaust gas to be discharged into the activated carbon adsorption chamber (15).

8. The high-efficiency waste heat recovery and conversion device according to claim 7 is characterized in that: A heat-insulating coating is provided on the outside of the neodymium magnet disposed at the upper end of the propulsion screw (21), and the operating temperature of the hard body part on the propulsion screw (21) does not exceed 200 degrees Celsius.

9. The high-efficiency waste heat recovery and conversion device according to claim 8 is characterized in that: A heat-insulating coating is provided on the surface of the impeller (20), and a heat-insulating coating is also provided on the outside of a neodymium magnet arranged on the inner wall of the impeller (20), and the temperature of the impeller (20) does not exceed 200 degrees Celsius during operation.

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