Waste heat recovery device for hazardous waste treatment system

Abstract

The utility model relates to the technical field of heat recovery devices, in particular to a waste heat recovery device for a hazardous waste treatment system. The waste heat recovery device comprises a waste gas pipe, the arc surface of the waste gas pipe is provided with a recovery structure used for waste heat recovery, the recovery structure comprises a left heat collection box and a right heat collection box, the opposite positions of the left heat collection box and the right heat collection box abut against the waste gas pipe, and the upper surface and the lower surface of the left heat collection box are both rotationally connected with connecting blocks. The end, away from the left heat collecting box, of the connecting block is rotationally connected with the right heat collecting box, one end of the left heat collecting box is fixedly connected with a mother plate, the end, opposite to the left heat collecting box, of the right heat collecting box is fixedly connected with a sub-plate, the size of the mother plate is equal to that of the sub-plate, and a fixing bolt is slidably connected into the mother plate. And the arc surface of the fixing bolt is in threaded connection with the daughter board. The problem that high-temperature waste gas in a hazardous waste gas treatment system is lost and cannot be effectively utilized is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat recovery devices, in particular to a waste heat recovery device for a hazardous waste treatment system. Background Art

[0002] Hazardous waste treatment system refers to a system that treats industrial hazardous waste so that the pollution of the treated materials to the environment is reduced.

[0003] A Chinese patent with authorization announcement number CN209549136U discloses a waste gas treatment system, which relates to the field of waste gas treatment devices. In order to solve the problems of low treatment efficiency and high cost of existing waste gas treatment methods, the patent includes a storage box, etc. The heater and the plasma generator are both located in the storage box, the gas collecting hood is located at the top of the storage box, the gas collecting hood and the sodium bicarbonate solution box are connected by a first pipe, the sodium bicarbonate solution box and the sodium hydroxide solution box are connected by a second pipe, the sodium hydroxide solution box and the activated carbon box are connected by a third pipe, the activated carbon box and the electrostatic box are connected by a fourth pipe, the electrostatic generator is located in the electrostatic box, and the electrostatic box and the spray box are connected by a fifth pipe.

[0004] The inventors discovered in their daily work that when the waste gas treatment system is operating and purifying hazardous waste gas, the waste gas discharged after processing by the factory will directly enter the system. The temperature of the waste gas is relatively high after processing, and the heat will be lost in the pipes of the waste gas treatment system when it enters the pipes, and cannot be effectively utilized, which will cause a waste of resources. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art that high-temperature waste gas in a hazardous waste gas treatment system will be lost and cannot be effectively utilized, and proposes a waste heat recovery device for a hazardous waste treatment system.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a waste heat recovery device for a hazardous waste treatment system comprises an exhaust pipe, the arc surface of the exhaust pipe is provided with a recovery structure for waste heat recovery, the recovery structure comprises a left heat collecting box and a right heat collecting box, the relative positions of the left heat collecting box and the right heat collecting box are both in contact with the exhaust pipe, the upper surface and the lower surface of the left heat collecting box are both rotatably connected with a connecting block, the end of the connecting block away from the left heat collecting box is rotatably connected to the right heat collecting box, and one end of the left heat collecting box is fixedly connected with Motherboard, one end of the right solar collector box relative to the left solar collector box is fixedly connected with a sub-board, the size of the motherboard is equivalent to the size of the sub-board, the motherboard is slidably connected with a fixing bolt inside, the arc surface of the fixing bolt is threadedly connected with the sub-board, and the arc surface of the fixing bolt close to the sub-board is threadedly connected with a nut, the interiors of the left and right solar collector boxes are both hollow, and the arc surfaces of the left and right solar collector boxes are fixedly connected with a water inlet pipe and a water outlet pipe, and one end of the water inlet pipe and the water outlet pipe lead to the interiors of the left and right solar collector boxes.

[0007] The effect achieved by the above components is: by clamping the rotatable left and right solar collector boxes connected by the connecting block on the outside of the exhaust pipe and fitting them against the exhaust pipe, rotating the fixing bolt to connect and fix the sub-board and the mother board, and introducing water from the water inlet pipe into the left and right solar collector boxes, so that when the high-temperature exhaust gas passes through the exhaust pipe, the remaining heat is used to heat the water source, and then the heated water source is discharged through the water outlet pipe and sent to the required location.

[0008] Preferably, the cross-sections of the water inlet pipe and the water outlet pipe are both right-angled, and the size of the water inlet pipe is equivalent to that of the water outlet pipe.

[0009] The effect achieved by the above components is that the water inlet pipe and the water outlet pipe with right-angle bends can reduce the horizontal space occupied by the water pipes after installation, thereby adapting to the narrow piping system of the hazardous waste treatment system.

[0010] Preferably, a heat conducting plate is fixedly connected to the relative positions of the left heat collecting box and the right heat collecting box, and the heat conducting plate is a copper plate.

[0011] The effect achieved by the above components is: by setting up the heat conduction plate, the heat dissipated outward from the exhaust pipe can be quickly conducted, and the heat can be fully conducted to the left and right heat collection boxes, making the water source heating efficiency higher.

[0012] Preferably, a thermal insulation pad is fixedly connected to the sides of the left and right thermal collection boxes that are away from each other, and the size of the thermal insulation pad is adapted to the size of the left and right thermal collection boxes.

[0013] The effects achieved by the above components are: the heat preservation pad is used to ensure that the heat inside the left and right heat collecting boxes is not dissipated too much to the outside, thereby making the heating effect of the internal water source more stable.

[0014] Preferably, the upper and lower surfaces of the left and right solar collector boxes are provided with auxiliary structures, the auxiliary structures include a fixed shaft, the lower end of the fixed shaft is fixedly connected to the left solar collector box, the position of the right solar collector box relative to the fixed shaft is fixedly connected with a bolt, the upper end of the bolt is fixedly connected with a hexagonal screw block, the arc surface of the bolt is fixedly connected with a pressure plate, the arc surface of the fixed shaft is fixedly connected with a traction rope, and one end of the traction rope is wrapped around the arc surface of the bolt.

[0015] The effect achieved by the above components is: the traction rope is pulled and wrapped around the arc surface of the bolt, and then the hexagonal screw block is rotated so that the pressure plate at the lower end presses the traction rope during rotation, and then the traction rope is continuously tightened and fixed by rotation, and then the upper and lower ends of the left and right solar collector boxes are fixed to make the fixation of the two more stable.

[0016] Preferably, the traction rope is a steel wire rope, and the upper surface of the hexagonal screw block is provided with a hexagonal hole.

[0017] The effects achieved by the above components are: the steel wire rope has high strength and can be stretched for a long time to ensure strength; the hexagonal hole at the upper end of the hexagonal screw block can be used to insert a hexagonal wrench inwardly to facilitate the rotation of the hexagonal screw block.

[0018] Preferably, a plurality of anti-slip strips are provided on the lower surface of the pressing plate, and the anti-slip strips are evenly distributed on the lower surface of the pressing plate.

[0019] The effect achieved by the above components is that the provision of the anti-slip strip can increase the fixing strength of the traction rope, and it is more stable when the pressure plate presses the traction rope to rotate and tighten it.

[0020] In summary, the beneficial effects of the utility model are:

[0021] In the utility model, a recovery structure is connected to the outside of the hazardous waste gas treatment pipeline to collect the heat of the high-temperature waste gas in the waste pipe. First, the left heat collection box and the right heat collection box connected by the connecting block are rotated and fitted to the waste pipe so that the two wrap the waste pipe. Then, the motherboard and the daughterboard are connected by fixing bolts, and the fixing bolts are tightened to make the left heat collection box and the right heat collection box completely fit the waste pipe. Then, when the hazardous waste treatment system is working, the processed high-temperature waste gas will dissipate the heat from the waste pipe to the outside when passing through the waste pipe, and then be collected by the left heat collection box and the right heat collection box. The heat conduction plate on the inner wall of the heat box conducts heat quickly, and the heat conduction plate quickly conducts heat to the left and right collector boxes, which continuously circulate internal water through the water inlet pipe and the water outlet pipe on their surface. The water inlet pipe passes the water to be heated into the left collector box, which is then heated by the high temperature introduced by the heat conduction plate and then sent out through the water outlet pipe. The heated water is then directed to the area where it is needed. The outer surfaces of the left and right collector boxes are provided with insulation pads, which can effectively keep warm and avoid excessive internal heat loss, thereby achieving effective recovery and utilization of high-temperature exhaust gas in the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the utility model after removing the exhaust pipe;

[0024] Figure 3 It is a structural schematic diagram of the auxiliary structure of the utility model;

[0025] Figure 4 It is a partial structural schematic diagram of the auxiliary structure of the utility model.

[0026] Legend: 1. Exhaust pipe; 2. Recovery structure; 201. Left collector box; 202. Right collector box; 203. Connecting block; 204. Mother board; 205. Sub-board; 206. Fixing bolt; 207. Insulation pad; 208. Heat conduction plate; 3. Auxiliary structure; 31. Fixed shaft; 32. Bolt; 33. Hexagonal nut; 34. Traction rope; 35. Pressure plate; 36. Anti-slip strip. DETAILED DESCRIPTION

[0027] Reference Figure 1 As shown, the utility model provides a technical solution: a waste heat recovery device for a hazardous waste treatment system, comprising an exhaust pipe 1, the exhaust pipe 1 is used to transport high-temperature exhaust gas, the arc surface of the exhaust pipe 1 is provided with a recovery structure 2 for waste heat recovery, and the upper and lower surfaces of the left collector box 201 and the right collector box 202 are provided with auxiliary structures 3.

[0028] The specific settings and functions of the recovery structure 2 and the auxiliary structure 3 are described in detail below.

[0029] Reference Figure 2 As shown, in this embodiment: the recovery structure 2 includes a left heat collecting box 201 and a right heat collecting box 202, the relative positions of the left heat collecting box 201 and the right heat collecting box 202 are both abutted against the exhaust pipe 1, the upper surface and the lower surface of the left heat collecting box 201 are rotatably connected with a connecting block 203, the end of the connecting block 203 away from the left heat collecting box 201 is rotatably connected to the right heat collecting box 202, one end of the left heat collecting box 201 is fixedly connected with a motherboard 204, and the right heat collecting box 202 is fixedly connected with a sub-board 205 at one end relative to the left heat collecting box 201, the size of the motherboard 204 is equivalent to the size of the sub-board 205, the interior of the motherboard 204 is slidably connected with a fixing bolt 206, the arc surface of the fixing bolt 206 is threadedly connected to the sub-board 205, and the arc surface of the fixing bolt 206 close to the sub-board 205 is threadedly connected with a nut, the interior of the left heat collecting box 201 and the right heat collecting box 202 Both are hollow, and the arc surfaces of the left solar collector box 201 and the right solar collector box 202 are fixedly connected with a water inlet pipe and a water outlet pipe, one end of the water inlet pipe and the water outlet pipe lead to the interior of the left solar collector box 201 and the right solar collector box 202, and the cross-sections of the water inlet pipe and the water outlet pipe are both right-angled bends, and the size of the water inlet pipe is equivalent to that of the water outlet pipe to reduce the lateral space occupied by the water pipe after installation, by clamping the rotatable left solar collector box 201 and the right solar collector box 202 connected by the connecting block 203 on the outside of the exhaust pipe 1 and fitting the exhaust pipe 1, rotating the fixing bolt 206 to connect and fix the sub-board 205 to the motherboard 204, and introducing water from the water inlet pipe into the left solar collector box 201 and the right solar collector box 202, so as to achieve the effect of using the remaining heat to heat the water source when the high-temperature exhaust gas passes through the exhaust pipe 1, and then discharging the heated water source through the water outlet pipe and sending it to the required location.

[0030] In addition, the relative positions of the left heat collecting box 201 and the right heat collecting box 202 are fixedly connected with a heat conducting plate 208, and the heat conducting plate 208 is a copper plate. The left heat collecting box 201 and the right heat collecting box 202 are fixedly connected with an insulation pad 207 on the side away from each other. The size of the insulation pad 207 is adapted to the size of the left heat collecting box 201 and the right heat collecting box 202. The insulation pad 207 is used to ensure that the heat inside the left heat collecting box 201 and the right heat collecting box 202 is not dissipated too much to the outside. By setting the heat conducting plate 208, the heat dissipated to the outside of the exhaust pipe 1 can be quickly conducted, and the heat can be fully conducted to the left heat collecting box 201 and the right heat collecting box 202, so that the water source heating efficiency is higher.

[0031] Reference Figure 3 and Figure 4As shown, in this embodiment: the auxiliary structure 3 includes a fixed shaft 31, the lower end of the fixed shaft 31 is fixedly connected to the left heat collecting box 201, the right heat collecting box 202 is fixedly connected with a bolt 32 relative to the fixed shaft 31, the upper end of the bolt 32 is fixedly connected with a hexagonal screw block 33, the arc surface of the bolt 32 is fixedly connected with a pressing plate 35, the lower surface of the pressing plate 35 is provided with a plurality of anti-slip strips 36, the anti-slip strips 36 are evenly distributed on the lower surface of the pressing plate 35, and are used to increase friction, the arc surface of the fixed shaft 31 is fixedly connected with a traction rope 34, and one end of the traction rope 34 is wound around the arc surface of the bolt 32. The traction rope 34 is pulled and wound around the arc surface of the bolt 32, and then the hexagonal screw block 33 is rotated so that the pressing plate 35 at its lower end presses the traction rope 34 when rotating, and then the traction rope 34 is continuously tightened and fixed by rotating, and then the upper and lower ends of the left heat collecting box 201 and the right heat collecting box 202 are fixed, so that the fixation of the two is more stable.

[0032] The traction rope 34 is a steel wire rope, and a hexagonal hole is provided on the upper surface of the hexagonal screw block 33. The steel wire rope has high strength and can be stretched for a long time to ensure strength. The hexagonal hole at the upper end of the hexagonal screw block 33 can be inserted with a hexagonal wrench to facilitate the rotation of the hexagonal screw block 33.

[0033] Working principle: By connecting the recovery structure 2 to the outside of the hazardous waste gas treatment pipeline, the heat of the high-temperature exhaust gas in the exhaust pipe 1 is collected. First, the left heat collecting box 201 and the right heat collecting box 202 connected by the connecting block 203 are rotated and fitted to the exhaust pipe 1, so that the two wrap the exhaust pipe 1, and then the motherboard 204 and the sub-board 205 are connected by the fixing bolt 206, and the fixing bolt 206 is tightened to make the left heat collecting box 201 and the right heat collecting box 202 completely fit the exhaust pipe 1. Then, when the hazardous waste treatment system is working, the processed high-temperature exhaust gas will dissipate the heat from the exhaust pipe 1 to the outside when passing through the exhaust pipe 1, and then be collected by the left heat collecting box 201 and the right heat collecting box. The heat conducting plate 208 on the inner wall of the box 202 conducts heat quickly, and the heat conducting plate 208 conducts heat quickly to the left heat collecting box 201 and the right heat collecting box 202, and the left heat collecting box 201 and the right heat collecting box 202 continuously circulate the internal water source through the water inlet pipe and the water outlet pipe on their surface. The water inlet pipe passes the water to be heated into the left heat collecting box 201, and then it is heated by the high temperature introduced by the heat conducting plate 208, and then sent out through the water outlet pipe, and the heated water source is led to the area where it is needed. The outer surfaces of the left heat collecting box 201 and the right heat collecting box 202 are provided with insulation pads 207, which can effectively keep warm and avoid excessive internal heat loss, thereby achieving effective recovery and utilization of high-temperature exhaust gas in the exhaust pipe 1.

[0034] After the left heat collecting box 201 is connected to the right heat collecting box 202, the traction rope 34 fixed on the arc surface of the fixed shaft 31 is pulled out, and the traction rope 34 is wound around the lower end of the pressure plate 35 on the arc surface of the bolt 32, and then the hexagonal screw block 33 is rotated to drive the bolt 32, so that the bolt 32 rotates and drives the lower pressure plate 35 downward, and the pressure plate 35 presses the traction rope 34 at the lower end and tightens the traction rope 34 under continuous rotation, and then the relative distance between the upper and lower ends of the left heat collecting box 201 and the right heat collecting box 202 is tightened, so that the upper and lower ends of the left heat collecting box 201 and the right heat collecting box 202 are better fixed.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A waste heat recovery device for a hazardous waste treatment system, comprising a waste gas pipe (1), characterized in that: The arc surface of the exhaust pipe (1) is provided with a recovery structure (2) for waste heat recovery, and the recovery structure (2) comprises a left heat collecting box (201) and a right heat collecting box (202), and the relative positions of the left heat collecting box (201) and the right heat collecting box (202) are both in contact with the exhaust pipe (1), and the upper surface and the lower surface of the left heat collecting box (201) are both rotatably connected with a connecting block (203), and the end of the connecting block (203) away from the left heat collecting box (201) is rotatably connected to the right heat collecting box (202), one end of the left heat collecting box (201) is fixedly connected to a motherboard (204), and the right heat collecting box (202) is fixedly connected to one end of the left heat collecting box (201). A sub-plate (205) is connected, the size of the mother plate (204) is equivalent to the size of the sub-plate (205), the interior of the mother plate (204) is slidably connected with a fixing bolt (206), the arc surface of the fixing bolt (206) is threadedly connected to the sub-plate (205), and the arc surface of the fixing bolt (206) close to the sub-plate (205) is threadedly connected with a nut, the interior of the left heat collecting box (201) and the right heat collecting box (202) are both hollow, and the arc surfaces of the left heat collecting box (201) and the right heat collecting box (202) are fixedly connected with a water inlet pipe and a water outlet pipe, and one end of the water inlet pipe and the water outlet pipe leads to the interior of the left heat collecting box (201) and the right heat collecting box (202).

2. The waste heat recovery device for hazardous waste treatment system according to claim 1 is characterized in that: The cross sections of the water inlet pipe and the water outlet pipe are both right-angle bent, and the size of the water inlet pipe is equivalent to that of the water outlet pipe.

3. The waste heat recovery device for hazardous waste treatment system according to claim 1, characterized in that: A heat conducting plate (208) is fixedly connected at the relative positions of the left heat collecting box (201) and the right heat collecting box (202), and the heat conducting plate (208) is a copper plate.

4. The waste heat recovery device for hazardous waste treatment system according to claim 1, characterized in that: A heat preservation pad (207) is fixedly connected to the side of the left heat collection box (201) and the right heat collection box (202) that are away from each other, and the size of the heat preservation pad (207) is compatible with the size of the left heat collection box (201) and the right heat collection box (202).

5. The waste heat recovery device for hazardous waste treatment system according to claim 1, characterized in that: The upper and lower surfaces of the left heat collecting box (201) and the right heat collecting box (202) are both provided with auxiliary structures (3), and the auxiliary structures (3) include a fixed shaft (31), the lower end of the fixed shaft (31) is fixedly connected to the left heat collecting box (201), the right heat collecting box (202) is fixedly connected with a bolt (32) relative to the fixed shaft (31), the upper end of the bolt (32) is fixedly connected with a hexagonal screw block (33), the arc surface of the bolt (32) is fixedly connected with a pressure plate (35), the arc surface of the fixed shaft (31) is fixedly connected with a traction rope (34), and one end of the traction rope (34) is wound around the arc surface of the bolt (32).

6. The waste heat recovery device for hazardous waste treatment system according to claim 5, characterized in that: The traction rope (34) is a steel wire rope, and the upper surface of the hexagonal screw block (33) is provided with a hexagonal hole.

7. The waste heat recovery device for hazardous waste treatment system according to claim 5, characterized in that: The lower surface of the pressing plate (35) is provided with a plurality of anti-slip strips (36), and the anti-slip strips (36) are evenly distributed on the lower surface of the pressing plate (35).

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