Waste heat utilization device of calcining furnace

Abstract

The utility model discloses a calcining furnace waste heat utilization device which comprises a calcining furnace and a water tank, the calcining furnace is provided with a filter bin at the position of a smoke exhaust pipe, a motor is fixed outside the filter bin, the inside of the filter bin is rotatably connected with a first threaded rod, and the bottom of an inner cavity of the filter bin is horizontally and slidably connected with a threaded block. A threaded block is fixed to the top of the filter bin, an air cylinder is fixed to the top of the threaded block, an insertion block is fixed to the top of the air cylinder, a filter screen of activated carbon is fixed to the interior of the filter bin, and an insertion groove matched with the insertion block is fixed to the bottom of the filter screen. Due to the fact that the bevel edge is inclined, when the inserting rod makes contact with the bevel edge and the cover is closed, the spring is compressed and then the inserting rod retreats, when the inserting rod moves to the position of the through groove, the spring resets to drive one end of the inserting rod to penetrate through the through groove, and automatic locking after the cover is closed is completed.

Description

Technical Field

[0001] The utility model relates to the field of calcining furnaces, in particular to a device for utilizing waste heat of a calcining furnace. Background Art

[0002] The calcining furnace uses direct or indirect heat sources and can continuously process batch materials at medium and high temperatures. It can ensure the isolation of heat sources and products during the processing. In industrial production (such as catalyst production, hydrocarbon processing, and chemical production), the insulation of the calcining furnace is very important and has great value.

[0003] The patent with application number CN216245613U is cited. By designing an air inlet pipe and an air outlet pipe between the water tank and the calcining furnace, the trough body in the calcining furnace is used to make the hot air in the furnace flow in a direction in the trough body. The gas discharged from the air outlet pipe can be reheated, which makes more effective use of the residual temperature in the calcining furnace. However, the comparative document does not filter the gas discharged from the calcining furnace, and the smoke is directly discharged without filtering, which affects the environment and human health. Utility Model Content

[0004] The purpose of the utility model is to provide a device for utilizing waste heat from a calcining furnace in order to solve the problem that the gas discharged from the calcining furnace is not filtered in the reference document, and the smoke is directly discharged without being filtered, which affects the environment and human health.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a calcining furnace waste heat utilization device, comprising a calcining furnace and a water tank, the calcining furnace is provided with a filter bin at the position of the smoke exhaust pipe, a motor is fixed to the outside of the filter bin, a first threaded rod is rotatably connected to the inside of the filter bin, a threaded block is horizontally slidably connected to the bottom of the inner cavity of the filter bin, a cylinder is fixed to the top of the threaded block, an insert block is fixed to the top of the cylinder, an activated carbon filter screen is fixed to the inside of the filter bin, a slot matching the insert block is fixed to the bottom of the filter screen, the output end of the motor is fixedly connected to the first threaded rod, and a first pulley is provided at the output end of the motor.

[0006] As a further solution of the utility model: the interior of the filter bin is provided with an upper and lower layer of pads, and sponges are provided inside the two layers of pads, the interior of the filter bin is rotatably connected with a second threaded rod, the second threaded rod penetrates the sponge, one end of the second threaded rod is located outside the filter bin and is fixedly connected with a second pulley, two pressure plates are horizontally slidably connected between the two layers of pads, the second threaded rod penetrates the two groups of pressure plates and is rotatably connected with the pressure plates.

[0007] As a further solution of the present invention: the first pulley is connected to the second pulley via a belt.

[0008] As a further solution of the present invention: the exterior of the second threaded rod is provided with two sets of opposite threads.

[0009] As a further solution of the utility model: a water outlet is arranged at the bottom of the filter bin, and a smoke outlet is arranged at the top of the filter bin.

[0010] As a further solution of the utility model: the pad is penetrated by a vent, and the vent is located at the position of the sponge.

[0011] As a further solution of the utility model: the sponge can increase the filtering effect of particulate impurities in the smoke by absorbing water.

[0012] As a further solution of the utility model: as described.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The smoke discharged from the calcining furnace enters the interior of the filter bin, and then is filtered by the filter. Water is injected from the top of the filter bin, and then the water flows to the sponge and is absorbed. The sponge absorbs water to increase the adsorption effect of particulate impurities in the smoke. The smoke is filtered under the dual action of the filter and the sponge.

[0015] 2. When the furnace cover is closed, one end of the plug rod will contact the bevel of the inclined plate. Since the bevel is inclined, when the plug rod contacts the bevel and closes the cover, the spring is compressed and the plug rod retreats. When the plug rod moves to the position of the through slot, the spring resets and drives one end of the plug rod through the through slot, which is conducive to completing the automatic locking after the cover is closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0017] Figure 2 This is the internal structure diagram of the filter bin of the utility model;

[0018] Figure 3 For the utility model Figure 1 Partial picture.

[0019] In the figure: 1, calcining furnace; 2, water tank; 3, filter chamber; 4, motor; 5, first threaded rod; 6, threaded block; 7, plug block; 8, filter screen; 9, slot; 10, first pulley; 11, pad; 12, sponge; 13, second threaded rod; 14, second pulley; 15, pressure plate; 16, furnace cover; 17, inclined plate; 18, through groove; 19, bevel; 20, horizontal plate; 21, support block; 22, horizontal groove plate; 23, plug rod; 24, spring; 25, vertical rod; 26, cylinder. 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] See also Figure 1 , 3 In the embodiment of the utility model, a calcining furnace waste heat utilization device includes a calcining furnace 1 and a water tank 2. The calcining furnace 1 is provided with a filter bin 3 at the position of the smoke exhaust pipe, and a motor 4 is fixed to the outside of the filter bin 3. The calcining furnace 1 is provided with a heat insulation layer at the position of the motor 4 to prevent the motor 4 from being subjected to the heat from the calcining furnace 1. The inside of the filter bin 3 is rotatably connected with a first threaded rod 5, and the bottom of the inner cavity of the filter bin 3 is horizontally slidably connected with a threaded block 6, and a cylinder 26 is fixed to the top of the threaded block 6, and an insert block 7 is fixed to the top of the cylinder 26. An activated carbon filter screen 8 is fixed to the inside of the filter bin 3, and a slot 9 matching the insert block 7 is fixed to the bottom of the filter screen 8. The output end of the motor 4 is fixedly connected to the first threaded rod 5, and a first pulley 1 is provided at the output end of the motor 4 0, the interior of the filter bin 3 is provided with an upper and lower layer of pads 11, and a sponge 12 is provided inside the two layers of pads 11, the interior of the filter bin 3 is rotatably connected with a second threaded rod 13, the second threaded rod 13 penetrates the sponge 12, one end of the second threaded rod 13 is located outside the filter bin 3 and is fixedly connected with a second pulley 14, two pressing plates 15 are slidably connected horizontally between the two layers of pads 11, the second threaded rod 13 penetrates the two groups of pressing plates 15 and is rotatably connected with the pressing plates 15, the first pulley 10 is connected to the second pulley 14 by a belt, the outside of the second threaded rod 13 is provided with two groups of opposite threads, the bottom of the filter bin 3 is provided with a drain outlet, the top of the filter bin 3 is provided with a smoke exhaust outlet, and the sponge 12 can increase the filtering effect on particulate impurities in the smoke by absorbing water.

[0022] In this embodiment, smoke discharged from the calcining furnace 1 enters the interior of the filter bin 3, and then is filtered by the filter screen 8. Water is injected from the top of the filter bin 3, and then the water flows to the sponge 12 and is absorbed. The sponge 12 absorbs water to increase the adsorption effect of particulate impurities in the smoke. Under the dual action of the filter screen 8 and the sponge 12, the smoke is filtered. When the filter screen 8 and the sponge 12 need to be cleaned, the output end of the cylinder 26 extends to drive the plug block 7 to rise. When the motor 4 starts, it drives the first threaded rod 5 to rotate, and then drives the threaded block 6 and the plug block 7 to move. Then the plug block 7 moves through the slot 9, which is conducive to completing the connection between the cylinder 26 and the filter screen 8. Then the output end of the cylinder 26 retracts to Pull down the filter screen 8, the filter screen 8 has elasticity, and then the motor 4 drives the threaded block 6 and the plug block 7 to move in the opposite direction, and then the plug block 7 leaves the slot 9. At this time, the pulled filter screen 8 is reset to eject the impurities blocking the mesh, which is beneficial to cleaning the filter screen 8. At the same time, the motor 4 starts to drive the first pulley 10 to rotate, and then drives the second pulley 14 to rotate through the belt, and the second pulley 14 drives the second threaded rod 13 to rotate. Since the two sets of threads on the outside of the second threaded rod 13 are opposite, the rotation of the second threaded rod 13 drives the two pressure plates 15 to move in the opposite direction to squeeze the sponge 12, and the impurities adsorbed by the sponge 12 are squeezed out along the water, and then the water is discharged from the filter compartment 3 to complete the cleaning of the sponge 12.

[0023] Please refer to Figure 1 , 2 One end of the calcining furnace 1 is rotatably connected to a furnace cover 16 and fixed with an inclined plate 17, the inclined plate 17 includes a through slot 18 and a bevel 19, a horizontal plate 20 is fixed to the front of the furnace cover 16, two support blocks 21 and a horizontal groove plate 22 are fixed to the horizontal plate 20, and an insertion rod 23 is slidably provided inside the two support blocks 21, a spring 24 is provided outside the horizontal rod 23 and a vertical rod 25 is fixed, and the top of the vertical rod 25 is located in the groove of the horizontal groove plate 22.

[0024] In this embodiment: traditional furnace covers need to be closed manually after closing, but this operation can achieve automatic locking while closing the cover. When the furnace cover 16 is closed, one end of the rod 23 will contact the bevel 19 of the bevel plate 17. Since the bevel 19 is inclined, when the rod 23 contacts the bevel 19 and closes the cover, the spring 24 is compressed and the rod 23 retreats. When the rod 23 moves to the position of the through slot 18, the spring 24 resets and drives one end of the rod 23 to pass through the through slot 18, which is conducive to completing the automatic locking after closing the cover. The vertical rod 25 moves in the horizontal slot plate 22 to limit the rod 23, and then when it needs to be opened, one end of the rod 23 can be pulled to make it leave the through slot 18.

[0025] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A calcining furnace waste heat utilization device, comprising a calcining furnace (1) and a water tank (2), characterized in that: The calcining furnace (1) is provided with a filter chamber (3) at the position of the smoke exhaust pipe, a motor (4) is fixed to the outside of the filter chamber (3), a first threaded rod (5) is rotatably connected to the inside of the filter chamber (3), a threaded block (6) is horizontally slidably connected to the bottom of the inner cavity of the filter chamber (3), a cylinder (26) is fixed to the top of the threaded block (6), an insert block (7) is fixed to the top of the cylinder (26), an activated carbon filter screen (8) is fixed to the inside of the filter chamber (3), a slot (9) matching the insert block (7) is fixed to the bottom of the filter screen (8), the output end of the motor (4) is fixedly connected to the first threaded rod (5), and a first pulley (10) is provided at the output end of the motor (4).

2. A calcining furnace waste heat utilization device according to claim 1, characterized in that: The filter chamber (3) is provided with two layers of upper and lower pads (11) inside, and a sponge (12) is provided inside the two layers of pads (11); a second threaded rod (13) is rotatably connected inside the filter chamber (3); the second threaded rod (13) passes through the sponge (12); one end of the second threaded rod (13) is located outside the filter chamber (3) and is fixedly connected to a second pulley (14); two pressing plates (15) are slidably connected in the horizontal direction between the two layers of pads (11); the second threaded rod (13) passes through the two groups of pressing plates (15) and is rotatably connected to the pressing plates (15).

3. A calcining furnace waste heat utilization device according to claim 2, characterized in that: The first pulley (10) and the second pulley (14) are connected via a belt.

4. The calcining furnace waste heat utilization device according to claim 2, characterized in that: The exterior of the second threaded rod (13) is provided with two sets of opposite threads.

5. The calcining furnace waste heat utilization device according to claim 1, characterized in that: The bottom of the filter chamber (3) is provided with a water drainage outlet, and the top of the filter chamber (3) is provided with a smoke exhaust outlet.

6. The calcining furnace waste heat utilization device according to claim 2, characterized in that: The pad (11) is penetrated by a vent hole, and the vent hole is located at the position of the sponge (12).

7. The calcining furnace waste heat utilization device according to claim 2, characterized in that: The sponge (12) can increase the filtering effect on particulate impurities in smoke by absorbing water.

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