Centralized heat supply heat source exhaust gas waste heat recovery equipment

Abstract

The utility model discloses a centralized heat supply heat source exhaust gas waste heat recovery device which comprises a heat exchange box, a gas inlet pipe is fixedly installed at the bottom of the heat exchange box, a gas outlet pipe is fixedly installed at the top of the heat exchange box, and supporting rods are fixedly connected between the lower ends of the inner walls of the two sides of the heat exchange box. A guide groove is formed in the outer surface of the top of each supporting rod, a motor is fixedly connected to the outer wall of one side of the heat exchange box, a first reciprocating lead screw is fixedly connected to the output end of each motor, the first reciprocating lead screws penetrate through the supporting rods and extend to the outer end of the other side of the heat exchange box, and first sliding blocks are in threaded connection to the outer surfaces of the first reciprocating lead screws; cleaning rods are fixedly connected to the tops of the first sliding blocks, activated carbon filter screens are fixedly connected to the positions, located at the upper ends of the cleaning rods, of the inner surfaces of the two sides of the heat exchange box, the surfaces of the activated carbon filter screens can be cleaned, and meanwhile a large amount of dust and pollutants attached to the outer surface of the circulating water pipe mechanism can be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery equipment, in particular to waste heat recovery equipment for exhaust gas discharged from a central heating heat source. Background Art

[0002] Central heating refers to a method of supplying heat energy to cities, towns or certain regional heat users through a heat network from one or more heat sources using hot water or steam as a heat medium. It has now become one of the important infrastructures of modern towns and an important part of urban public utilities.

[0003] However, the existing waste heat from waste gas emitted by heat sources is generally discharged into the air, causing air pollution, and the waste gas is not effectively utilized. In order to improve the environmental protection of the device, activated carbon filters are usually used for waste gas purification. However, a large amount of pollutants will adhere to the surface of the activated carbon filter over a long period of time, affecting the purification effect. For this reason, we propose a waste heat recovery device for waste gas emitted by centralized heating heat sources. Utility Model Content

[0004] The purpose of the utility model is to provide a waste heat recovery device for exhaust gas discharged from a central heating heat source to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste heat recovery device for exhaust gas discharged from a centralized heating heat source, comprising a heat exchange box, an air inlet pipe is fixedly installed at the bottom of the heat exchange box, an air outlet pipe is fixedly installed at the top of the heat exchange box, support rods are fixedly connected between the lower ends of the inner walls on both sides of the heat exchange box, guide grooves are provided on the outer surfaces of the tops of the support rods, a motor is fixedly connected to the outer wall of one side of the heat exchange box, a first reciprocating screw is fixedly connected to the output end of the motor, and the first reciprocating screw penetrates the support rod and extends to the outer end of the other side of the heat exchange box, a first slider is threadedly connected to the outer surface of the first reciprocating screw, and a cleaning Rod, both sides of the cleaning rod are fixedly connected with a second sliding block, the inner surfaces of both sides of the heat exchange box are located at the upper end of the cleaning rod and are fixedly connected with an activated carbon filter, the inner walls of both sides of the heat exchange box are located at the upper end of the activated carbon filter and are fixedly connected with guide rods, the outer surfaces of the guide rods are slidably connected with limiting blocks, the outer wall of one side of the limiting block is fixedly connected with a moving block arranged in a rectangular shape, and a cleaning groove is opened inside the moving block, the inner walls of both sides of the heat exchange box are located at the upper end of the activated carbon filter and are rotatably connected with a second reciprocating screw rod, and the second reciprocating screw rod is threadedly connected to the moving block, a circulating water pipe mechanism is provided at the upper end of the interior of the heat exchange box, and both ends of the circulating water pipe mechanism penetrate the two side walls of the heat exchange box.

[0006] Preferably, the inner walls on both sides of the heat exchange box are provided with slide grooves at the lower end of the activated carbon filter, and the second sliding blocks are stuck in the slide grooves.

[0007] Preferably, support plates are fixedly connected to both sides of the bottom of the heat exchange box.

[0008] Preferably, a belt groove is formed on the outer surface of one end of the first reciprocating screw rod and the second reciprocating screw rod, and a belt is provided between the two belt grooves.

[0009] Preferably, the inner diameter of the cleaning tank is matched with the outer diameter of the circulating water pipe mechanism.

[0010] Compared with the prior art, the beneficial effects of the utility model are: by starting the motor to drive the first reciprocating screw to rotate, and then by the linkage and coordination of the first slider, the support rod, the guide groove, the cleaning rod, the slide groove, and the second slider, the lower surface of the activated carbon filter can be cleaned to prevent pollutants from adhering to the surface and affecting the purification effect, and then by setting the belt, the second reciprocating screw, the moving block, the limit block, the guide rod, and the cleaning groove, a large amount of dust and pollutants attached to the outer surface of the circulating water pipe mechanism can be cleaned while cleaning the lower surface of the activated carbon filter, thereby improving the heating effect of the circulating water pipe mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the internal structure of the heat exchange box of the utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the moving block of the utility model;

[0015] Figure 5 It is a schematic diagram of the cross-sectional structure of the slideway of the present utility model.

[0016] In the figure: 1. heat exchange box; 11. air inlet pipe; 12. air outlet pipe; 13. support plate; 101. slide groove; 2. motor; 21. first reciprocating screw rod; 201. belt groove; 3. support rod; 31. first slider; 301. guide groove; 4. cleaning rod; 41. second slider; 5. second reciprocating screw rod; 51. belt; 52. guide rod; 6. moving block; 61. limit block; 601. cleaning groove; 7. activated carbon filter; 8. circulating water pipe mechanism. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-5 The utility model provides a technical solution: a waste heat recovery device for exhaust gas discharged from a centralized heating source, comprising a heat exchange box 1, an air inlet pipe 11 is fixedly installed at the bottom of the heat exchange box 1, an air outlet pipe 12 is fixedly installed at the top of the heat exchange box 1, support rods 3 are fixedly connected between the lower ends of the inner walls on both sides of the heat exchange box 1, and guide grooves 301 are opened on the top outer surfaces of the support rods 3. A motor 2 is fixedly connected to the outer wall of one side of the heat exchange box 1, and a first reciprocating screw rod 21 is fixedly connected to the output end of the motor 2, and the first reciprocating screw rod 21 passes through the support rod 3 and extends to the outer end of the other side of the heat exchange box 1. The outer surface of the first reciprocating screw rod 21 is threadedly connected to a first slider 31, and the top of the first slider 31 is fixedly connected to a cleaning rod 4. The rod 4 is fixedly connected to the second slider 41 on both sides, the inner surfaces of both sides of the heat exchange box 1 are located at the upper end of the cleaning rod 4 and are fixedly connected to the activated carbon filter 7, the inner walls of both sides of the heat exchange box 1 are located at the upper end of the activated carbon filter 7 and are fixedly connected to the guide rod 52, the outer surface of the guide rod 52 is slidably connected to the limit block 61, the outer wall of one side of the limit block 61 is fixedly connected to the moving block 6 arranged in a rectangular shape, and the cleaning groove 601 is penetrated inside the moving block 6, the inner walls of both sides of the heat exchange box 1 are located at the upper end of the activated carbon filter 7 and are rotatably connected to the second reciprocating screw rod 5, and the second reciprocating screw rod 5 is threadedly connected to the moving block 6, and the upper end of the heat exchange box 1 is provided with a circulating water pipe mechanism 8, and both ends of the circulating water pipe mechanism 8 penetrate the two side walls of the heat exchange box 1.

[0019] Furthermore, the inner walls on both sides of the heat exchange box 1 are provided with slide grooves 101 at the lower end of the activated carbon filter 7 , and the second sliders 41 are stuck in the slide grooves 101 , and the slide grooves 101 limit the cleaning rod 4 through the second sliders 41 .

[0020] Furthermore, support plates 13 are fixedly connected to both sides of the bottom of the heat exchange box 1 , and the two support plates 13 can support the heat exchange box 1 .

[0021] Furthermore, a belt groove 201 is formed on the outer surface of one end of the first reciprocating screw rod 21 and the second reciprocating screw rod 5 , and a belt 51 is provided between the two belt grooves 201 . The first reciprocating screw rod 21 drives the second reciprocating screw rod 5 to rotate via the belt 51 .

[0022] Furthermore, the inner diameter of the cleaning tank 601 is matched with the outer diameter of the circulating water pipe mechanism 8 , and the inner surface of the cleaning tank 601 can scrape and clean the outer surface of the circulating water pipe mechanism 8 .

[0023] Specifically, when using the utility model, the exhaust gas will first enter the heat exchange box 1 from the air intake pipe 11, and the exhaust gas will pass through the activated carbon filter 7, and then the circulating water pipe mechanism 8 will be randomly started to make the water circulate inside, thereby heating the water inside the circulating water pipe mechanism 8, and then the motor 2 will be started to drive the first reciprocating screw 21 to rotate, and the first reciprocating screw 21 will drive the first slider 31 to drive the cleaning rod 4 to move, and the cleaning rod 4 will slide along the inner wall of the slide groove 101, and then the cleaning rod 4 will slide and clean the lower surface of the activated carbon filter 7, thereby avoiding a large amount of pollutants from adhering to the surface of the activated carbon filter 7. At the same time, the first reciprocating screw 21 drives the second reciprocating screw 5 to rotate through the belt 51, and the second reciprocating screw 5 will drive the moving block 6 to move back and forth, and the moving block 6 will slide along the guide rod 52 through the limit block 61, and then the inner surface of the cleaning groove 601 can scrape and clean the outer surface of the circulating water pipe mechanism 8, thereby avoiding a large amount of dust and pollutants adhering to the outer surface of the circulating water pipe mechanism 8 to affect the heating effect.

[0024] 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 device for exhaust gas discharged from a central heating source, comprising a heat exchange box (1), characterized in that: An air inlet pipe (11) is fixedly installed at the bottom of the heat exchange box (1), and an air outlet pipe (12) is fixedly installed at the top of the heat exchange box (1). Support rods (3) are fixedly connected between the lower ends of the inner walls on both sides of the heat exchange box (1), and the top outer surfaces of the support rods (3) are provided with guide grooves (301). A motor (2) is fixedly connected to the outer wall of one side of the heat exchange box (1), and the output end of the motor (2) is fixedly connected to a first reciprocating screw rod (21), and the first reciprocating screw rod (21) passes through the support rod (3) and extends to the outer end of the other side of the heat exchange box (1). A first slider (31) is threadedly connected to the outer surface of the first reciprocating screw rod (21), and a cleaning rod (4) is fixedly connected to the top of the first slider (31). Both sides of the cleaning rod (4) are fixedly connected to second sliders (41). The inner surfaces of both sides of the heat exchange box (1) are located at the upper ends of the cleaning rods (4) and are fixedly connected to activated carbon filters (7); the inner walls of both sides of the heat exchange box (1) are located at the upper ends of the activated carbon filters (7) and are fixedly connected to guide rods (52); the outer surfaces of the guide rods (52) are slidably connected to limit blocks (61); the outer walls of one side of the limit blocks (61) are fixedly connected to rectangular movable blocks (6); the movable blocks (6) are provided with cleaning grooves (601) running through the inside; the inner walls of both sides of the heat exchange box (1) are located at the upper ends of the activated carbon filters (7) and are rotatably connected to second reciprocating screws (5); the second reciprocating screws (5) are threadedly connected to the movable blocks (6); the upper ends of the heat exchange box (1) are provided with circulating water pipe mechanisms (8); and both ends of the circulating water pipe mechanisms (8) run through the walls of both sides of the heat exchange box (1).

2. The waste heat recovery equipment for exhaust gas discharged from a central heating source according to claim 1 is characterized in that: The inner walls of both sides of the heat exchange box (1) are provided with slide grooves (101) at the lower end of the activated carbon filter (7), and the second sliding blocks (41) are both stuck in the slide grooves (101).

3. The waste heat recovery equipment for exhaust gas discharged from a central heating source according to claim 1 is characterized in that: Support plates (13) are fixedly connected to both sides of the bottom of the heat exchange box (1).

4. The waste heat recovery equipment for exhaust gas discharged from a central heating source according to claim 1 is characterized in that: A belt groove (201) is provided on the outer surface of one end of the first reciprocating screw rod (21) and the second reciprocating screw rod (5), and a belt (51) is provided between the two belt grooves (201).

5. The waste heat recovery equipment for exhaust gas discharged from a central heating source according to claim 1 is characterized in that: The inner diameter of the cleaning tank (601) is matched with the outer diameter of the circulating water pipe mechanism (8).

Images