Low-temperature flue gas heat exchanger

Abstract

The utility model discloses a low-temperature flue gas heat exchanger, which relates to the technical field of flue gas heat exchangers and comprises a working box, the outer side of the working box is fixedly connected with a flow dividing box, the inside of the flow dividing box is communicated with a water inlet pipe, the outer side of the working box is fixedly connected with a water storage box, and the inside of the water storage box is communicated with a water outlet pipe. One end of the top of the working box is fixedly connected with a gas storage box, the top of the gas storage box communicates with an exhaust pipe, the other end of the top of the working box communicates with a gas inlet box, the top of the gas inlet box communicates with a gas inlet pipe, a transmission assembly is arranged in the gas inlet box, a wiping assembly is arranged on the outer side of the transmission assembly, and a dust storage assembly is arranged on the outer side of the gas inlet box. And a heat conduction assembly is arranged in the working box. The first transmission rod and the second transmission rod are driven by the motor to rotate, so that the wiping block is driven to move, impurities on the filter plate are cleaned, the filter plate can be used for a longer time, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas heat exchangers, in particular to a low-temperature flue gas heat exchanger. Background Art

[0002] A heat exchanger is a device that transfers heat between two or more fluids at different temperatures. It transfers heat from a fluid with a higher temperature to a fluid with a lower temperature, so that the fluid temperature reaches the specified index of the process to meet the needs of process conditions. It is also one of the main equipment for improving energy utilization.

[0003] The utility model patent with patent application publication number CN 206362211 U discloses a new type of low-temperature flue gas water heat pipe heat exchanger, including a heat exchanger protection shell, a main water inlet pipe and a heat exchange device, wherein the heat exchanger protection shell is installed on the water pipe heat exchanger body, a water pipe fixing hole is arranged on the right side plate of the water pipe heat exchanger body, a support leg is arranged at the bottom of the water pipe heat exchanger body, the heat exchange device is installed inside the water pipe heat exchanger body, and a cold air intake pipe is arranged on the left side of the heat exchange device. The beneficial effect of the utility model is that the heat exchanger adopts the combined effect of air cooling and water cooling, so that the heat exchange effect is optimal, and a pressurizing device is arranged inside the water cooling pipe, which can accelerate the flow of cold water, so that the heat exchange efficiency becomes higher and the heat exchange effect is the best. The heat sink is installed on the flue gas distribution pipe to increase the heat dissipation area and directly contacts with the air cooling, so that the effect is optimal.

[0004] However, the above device still has some shortcomings in actual use. The most obvious one is that the filter device arranged thereon can only filter the flue gas, but after long-term use, more impurities will be adhered to the outside of the filter device, resulting in reduced filtration efficiency and reduced production efficiency.

[0005] Therefore, it is necessary to invent a low-temperature flue gas heat exchanger to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a low-temperature flue gas heat exchanger to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-temperature flue gas heat exchanger, comprising a working box, a diverter box is fixedly connected to the outside of the working box, a water inlet pipe is connected to the inside of the diverter box, a water storage tank is fixedly connected to the outside of the working box, a water outlet pipe is connected to the inside of the water storage tank, one end of the top of the working box is fixedly connected to an air storage box, the top of the air storage box is connected to an exhaust pipe, an air intake box is connected to the other end of the top of the working box, the top of the air intake box is connected to an air intake pipe, a transmission assembly is arranged inside the air intake box, a wiping assembly is arranged outside the transmission assembly, an ash storage assembly is arranged outside the air intake box, and a heat conduction assembly is arranged inside the working box.

[0008] Preferably, the transmission assembly includes a fixed plate fixedly connected to the outside of the working box, a motor is fixedly connected to the top of the fixed plate, a first transmission rod is fixedly connected to the transmission end of the motor, and the end of the first transmission rod passes through the air intake box and is rotatably connected inside the air intake box.

[0009] Preferably, the transmission assembly also includes a driving gear fixedly connected to the outside of the first transmission rod, a driven gear is meshed on the outside of the driving gear, a second transmission rod is fixedly connected to the outside of the driven gear, and the end of the second transmission rod passes through the air intake box and is rotatably connected inside the air intake box.

[0010] Preferably, the wiping assembly comprises two wiping blocks threadedly connected to the second transmission rod and the outer side of the first transmission rod, the bottom of the wiping block is abutted with a filter plate, and the filter plate is fixedly connected to the inside of the air intake box.

[0011] Preferably, the ash storage drilling comprises an ash storage box fixedly connected to the outside of the air inlet box, the ash storage box has two ash inlets corresponding to the positions of the filter plate, an opening and closing plate is slidably connected through the inside of the ash storage box, and a grasping opening is provided inside the opening and closing plate.

[0012] Preferably, the heat conduction component includes a plurality of water flow pipes fixedly connected between the diversion box and the water storage tank, a conduction pipe abutting the outer side of the water flow pipe, one end of the conduction pipe is fixedly connected to the diversion pipe, the end of the diversion pipe passes through the working box to the air intake box and is connected to the air intake box, the other end of the conduction pipe is fixedly connected to a combination pipe, the end of the combination pipe passes through the working box to the air storage box and is connected to the air storage box.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model drives the first transmission rod and the second transmission rod to rotate by a motor, thereby driving the wiping block to move, so as to clean the impurities on the filter plate, so that the filter plate can be used for a longer time, thereby improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the internal component structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the disassembled structure of some components of the utility model.

[0018] Figure 4 It is a schematic diagram of the enlarged structure of some components of the utility model.

[0019] In the figure: 1, working box; 2, shunt box; 3, water inlet pipe; 4, water storage tank; 5, air storage box; 6, exhaust pipe; 7, air intake box; 8, air intake pipe; 9, motor; 10, first transmission rod; 11, driving gear; 12, driven gear; 13, second transmission rod; 14, wiping block; 15, filter plate; 16, ash storage box; 17, ash inlet; 18, opening and closing plate; 19, shunt pipe; 20, conduction pipe; 21, combination pipe; 22, water flow pipe. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides Figure 1-4 A low-temperature flue gas heat exchanger shown in the figure includes a working box 1, a diverter box 2 is fixedly connected to the outside of the working box 1, a water inlet pipe 3 is connected to the inside of the diverter box 2, a water storage tank 4 is fixedly connected to the outside of the working box 1, a water outlet pipe is connected to the inside of the water storage tank 4, an air storage box 5 is fixedly connected to one end of the top of the working box 1, an exhaust pipe 6 is connected to the top of the air storage box 5, an air inlet box 7 is connected to the top of the working box 1, an air inlet pipe 8 is connected to the top of the air inlet box 7, a transmission assembly is arranged inside the air inlet box 7, a wiping assembly is arranged outside the transmission assembly, an ash storage assembly is arranged outside the air inlet box 7, and a heat conduction assembly is arranged inside the working box 1.

[0022] Reference Figure 1 and Figure 3 The transmission assembly includes a fixed plate fixedly connected to the outside of the working box 1, a motor 9 is fixedly connected to the top of the fixed plate, a first transmission rod 10 is fixedly connected to the transmission end of the motor 9, and the end of the first transmission rod 10 passes through the air intake box 7 and is rotatably connected inside the air intake box 7.

[0023] Among them, the transmission assembly also includes a driving gear 11 fixedly connected to the outside of the first transmission rod 10, a driven gear 12 is meshed on the outside of the driving gear 11, a second transmission rod 13 is fixedly connected to the outside of the driven gear 12, and the end of the second transmission rod 13 passes through the air intake box 7 and is rotatably connected inside the air intake box 7.

[0024] In addition, the wiping assembly includes two wiping blocks 14 threadedly connected to the second transmission rod 13 and the outer side of the first transmission rod 10 , and a filter plate 15 is abutted against the bottom of the wiping block 14 , and the filter plate 15 is fixedly connected inside the air intake box 7 .

[0025] Among them, the ash storage drilling includes an ash storage box 16 fixedly connected to the outside of the air inlet box 7, two ash inlets 17 are opened inside the ash storage box 16, and the ash inlet 17 corresponds to the position of the filter plate 15. An opening and closing plate 18 is slidably connected to the inside of the ash storage box 16, and a grasping opening is opened inside the opening and closing plate 18.

[0026] Through the above components, when the filter device is used for a long time, the motor 9 can be started to drive the first transmission rod 10 to rotate, thereby driving the driving gear 11 to rotate, thereby driving the driven gear 12 to rotate, thereby driving the second transmission rod 13 to rotate, thereby driving the two wiping blocks 14 to move, thereby wiping the surface of the filter plate 15, thereby driving the impurities on the filter plate 15 to move, thereby moving the impurities to the inside of the ash inlet 17, thereby allowing the impurities to enter the inside of the ash storage box 16, thereby storing the impurities;

[0027] When the impurities need to be cleaned, the opening and closing plate 18 can be pulled to clean the impurities.

[0028] Reference Figure 2 The heat conduction component includes a plurality of water flow pipes 22 fixedly connected between the diverter box 2 and the water storage tank 4. A conduction pipe 20 is abutted against the outer side of the water flow pipe 22. One end of the conduction pipe 20 is fixedly connected to the diverter pipe 19. The end of the diverter pipe 19 passes through the working box 1 and the air intake box 7 and is connected to the air intake box 7. The other end of the conduction pipe 20 is fixedly connected to a combination pipe 21. The end of the combination pipe 21 passes through the working box 1 and the air storage box 5 and is connected to the air storage box 5.

[0029] Through the above components, when heat needs to be transferred, cold water can be transmitted to the inside of the water pipe 22 through the water inlet pipe 3, and then the flue gas can be transmitted to the inside of the conduction pipe 20 through the air inlet pipe 8, so that the hot air inside the flue gas will be absorbed by the cold water, thereby achieving heat conversion.

[0030] Working principle of this utility model:

[0031] During actual use, when the filter device has been used for a long time, the motor 9 can be started to drive the first transmission rod 10 to rotate, thereby driving the driving gear 11 to rotate, thereby driving the driven gear 12 to rotate, thereby driving the second transmission rod 13 to rotate, thereby driving the two wiping blocks 14 to move, thereby wiping the surface of the filter plate 15, thereby driving the impurities on the filter plate 15 to move, thereby moving the impurities to the inside of the ash inlet 17, thereby allowing the impurities to enter the inside of the ash storage box 16, thereby storing the impurities;

[0032] When the impurities need to be cleaned, the opening and closing plate 18 can be pulled to clean the impurities.

[0033] 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 low-temperature flue gas heat exchanger, characterized in that: The invention comprises a working box (1), wherein the working box (1) is fixedly connected to a diversion box (2) on the outside, the diversion box (2) is connected to a water inlet pipe (3) on the inside, the working box (1) is fixedly connected to a water storage tank (4) on the outside, the water storage tank (4) is connected to a water outlet pipe on the inside, one end of the top of the working box (1) is fixedly connected to an air storage box (5), the top of the air storage box (5) is connected to an exhaust pipe (6), the other end of the top of the working box (1) is connected to an air intake box (7), the top of the air intake box (7) is connected to an air intake pipe (8), a transmission component is arranged inside the air intake box (7), a wiping component is arranged outside the transmission component, a dust storage component is arranged outside the air intake box (7), and a heat conduction component is arranged inside the working box (1).

2. A low-temperature flue gas heat exchanger according to claim 1, characterized in that: The transmission assembly comprises a fixed plate fixedly connected to the outside of the working box (1), a motor (9) fixedly connected to the top of the fixed plate, a first transmission rod (10) fixedly connected to the transmission end of the motor (9), and an end of the first transmission rod (10) passing through the air intake box (7) and rotatably connected inside the air intake box (7).

3. A low-temperature flue gas heat exchanger according to claim 2, characterized in that: The transmission assembly further comprises a driving gear (11) fixedly connected to the outside of the first transmission rod (10), a driven gear (12) meshing on the outside of the driving gear (11), a second transmission rod (13) fixedly connected on the outside of the driven gear (12), an end of the second transmission rod (13) passing through the air intake box (7) and being rotatably connected inside the air intake box (7).

4. A low-temperature flue gas heat exchanger according to claim 3, characterized in that: The wiping assembly comprises two wiping blocks (14) threadedly connected to the second transmission rod (13) and the outer side of the first transmission rod (10); the bottom of the wiping block (14) is abutted against a filter plate (15); and the filter plate (15) is fixedly connected to the inside of the air intake box (7).

5. A low-temperature flue gas heat exchanger according to claim 4, characterized in that: The ash storage drill comprises an ash storage box (16) fixedly connected to the outside of the air inlet box (7), two ash inlets (17) are provided inside the ash storage box (16), and the ash inlets (17) correspond to the positions of the filter plate (15). An opening and closing plate (18) is slidably connected through the inside of the ash storage box (16), and a grasping opening is provided inside the opening and closing plate (18).

6. A low-temperature flue gas heat exchanger according to claim 5, characterized in that: The heat conduction component comprises a plurality of water flow pipes (22) fixedly connected between the diverter box (2) and the water storage tank (4); a conduction pipe (20) is abutted against the outer side of the water flow pipe (22); one end of the conduction pipe (20) is fixedly connected to the diverter pipe (19); the end of the diverter pipe (19) passes through the working box (1) and is connected to the air intake box (7); the other end of the conduction pipe (20) is fixedly connected to a combination pipe (21); the end of the combination pipe (21) passes through the working box (1) and is connected to the air storage box (5);

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