Machining waste gas waste heat treatment device
By designing a cleaning device that uses a motor-driven steel brush to clean the scale on the surface of the spiral tube, the problem of scale buildup affecting heat transfer on the spiral tube surface is solved, achieving efficient heat transfer and uniform cold water temperature.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
In existing waste heat treatment devices for machining exhaust gas, scale easily adheres to the surface of the spiral tube, making cleaning inconvenient and affecting heat transfer efficiency.
A waste heat treatment device for machining exhaust gas, including a cleaning unit, is designed. The cleaning unit consists of a circular frame, a connecting ring, a steel brush, and a rubber ring. The circular frame is moved by a threaded rod driven by a motor. The steel brush cleans the scale, and the rubber ring squeezes the scale. A sealing is achieved by combining a limiting cylinder and a rubber cylinder.
It effectively cleans scale from the surface of the spiral tube, improves heat transfer efficiency, ensures uniform rise in cold water temperature, and reduces the need for boiling cold water.
Smart Images
Figure CN224034432U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste gas afterheat treatment technical field especially relates to a machining waste gas afterheat treatment device. BACKGROUND
[0002] The waste gas afterheat treatment device is a device for treating high-temperature waste gas generated in the process of machining aerospace and aviation parts through heat transfer, when using the waste gas afterheat treatment device, first, the inside of the connecting tank is connected to cold water, and then the high-temperature waste gas is connected to the inside of the spiral pipe, the temperature of the cold water is increased through heat transfer, and the resource of boiling the cold water is reduced to a certain extent.
[0003] The inventor found that the waste gas afterheat treatment device still has at least the following problems in daily work: when using the waste gas afterheat treatment device, the waste gas with heat needs to be connected to the inside of the spiral pipe, and then the heat is transferred to the cold water in the connecting tank through heat transfer, which can make good use of the waste heat of the waste gas, but in the actual use process, because the inside of the cold water may have certain impurities, the surface of the spiral pipe may be attached with a large amount of scale in the long-term use process, because the pipeline is spiral, it is troublesome to clean the scale, and the incomplete cleaning will affect the heat transfer between the waste gas afterheat and the cold water to a certain extent. UTILITY MODEL CONTENT
[0004] The utility model discloses a machining waste gas afterheat treatment device which solves the problems in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a machining waste gas afterheat treatment device, including the connecting tank, the inside of connecting tank is provided with spiral pipe, the connecting tank is provided with the air inlet pipe, the bottom of air inlet pipe and the top of spiral pipe fixed connection, the bottom of connecting tank is provided with the air outlet pipe, the top of air outlet pipe and the bottom of spiral pipe fixed connection, one side of connecting tank top is provided with the water inlet pipe, one side of connecting tank bottom is provided with the water outlet pipe, the inside of connecting tank is provided with cleaning device, the inside of connecting tank is provided with stirring device, the cleaning device includes round frame, the inner wall of round frame and the inner wall of connecting tank are slidably connected, the inner wall of round frame is rotatably provided with connecting ring, one side of the inner wall of connecting ring is fixedly connected with moving ring, the moving ring is slidably sleeved on the surface of spiral pipe, the inner wall of moving ring is uniformly fixedly connected with steel brush, the inner wall of moving ring is fixedly connected with rubber ring, and the rubber ring is sleeved on the surface of spiral pipe.
[0006] The effect achieved by the above components is that when the cleaning device is used, the movement of the circular frame inside the connecting tank is controlled, because the connecting ring rotates on the inner wall of the circular frame, and then the moving ring moves on the surface of the spiral pipe when the circular frame moves inside the connecting tank, so that the steel brush can clean the scale on the surface of the spiral pipe well, because the rubber ring is pressed on the surface of the spiral pipe, so that the scale brushed off can be pressed away from the surface of the spiral pipe, and the surface of the spiral pipe can be conveniently cleaned.
[0007] Preferably, the bottom of the connecting tank is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, and the threaded rod is threaded through and inserted into the bottom of the circular frame.
[0008] The effect achieved by the above components is that when the motor is started, the threaded rod is driven to rotate by the motor, and then the circular frame with the threaded sleeve on the surface of the threaded rod is well driven to move on the inner wall of the connecting tank.
[0009] Preferably, the bottom of the connecting tank is provided with a limiting cylinder, the inner wall of the limiting cylinder is threadedly connected with a threaded block, the bottom of the threaded block is fixedly connected with a rectangular block, and the top of the threaded block is fixedly connected with a cylindrical.
[0010] The effect achieved by the above components is that when the scale is cleaned to the bottom of the connecting tank, the threaded block is manually rotated through the rectangular block, and then the cylindrical is well away from the limiting cylinder, so that the scale can be cleaned out through the limiting cylinder.
[0011] Preferably, the surface of the cylindrical is fixedly connected with a rubber cylinder, and the rubber cylinder is arranged inside the limiting cylinder.
[0012] The effect achieved by the above components is that after cleaning, the cylindrical is arranged inside the limiting cylinder, and then the rubber cylinder is pressed on the inner wall of the limiting cylinder, so that a good sealing effect can be achieved.
[0013] Preferably, the stirring device comprises a rotating rod, and the rotating rod is rotatably inserted into one side of the inner wall of the connecting tank.
[0014] The effect achieved by the above components is that the stirring device can be well arranged inside the connecting tank through the rotating rod.
[0015] Preferably, the surface of the rotating rod is uniformly fixedly connected with a rectangular plate, and the bottom of the rotating rod is fixedly connected with a first bevel gear.
[0016] The effect achieved by the above components is that by controlling the rotation of the first bevel gear, the rotating rod is rotated, the rectangular plate is rotated inside the connecting tank, and then the water inside the connecting tank is well stirred, so that the heat diffusion in the cold water is accelerated to a certain extent, and then the temperature of the cold water can be uniformly raised.
[0017] Preferably, a side of the air inlet pipe is penetrated by a round rod, a rotating plate is fixed to one end of the round rod close to the air inlet pipe, a second bevel gear is fixedly connected to the other end of the round rod away from the rotating plate, and the first bevel gear and the second bevel gear are in meshing engagement.
[0018] The above components achieve the effect that when the exhaust gas is introduced into the interior of the spiral pipe through the air inlet pipe, the rotating plate is driven to rotate in the interior of the air inlet pipe, so that the rotating plate drives the second bevel gear to rotate through the round rod, and the first bevel gear is well driven to rotate because the first bevel gear and the second bevel gear are in meshing engagement.
[0019] Preferably, the inner wall of the connecting tank is fixedly connected with a supporting cylinder, and the inner wall of the supporting cylinder is rotatably provided with a round rod.
[0020] The above components achieve the effect that the round rod is well supported in the interior of the connecting tank through the supporting cylinder.
[0021] In the utility model, the cleaning device is arranged, when the cleaning device is used, the movement of the circular frame in the connecting tank is controlled, the connecting ring is rotated on the inner wall of the circular frame, the moving ring moves on the surface of the spiral pipe when the circular frame moves in the connecting tank, so that the steel brush can well clean the scale on the surface of the spiral pipe, the rubber ring is pressed on the surface of the spiral pipe, so that the scale brushed off can be well extruded away from the surface of the spiral pipe, and the surface of the spiral pipe can be conveniently cleaned. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 A three-dimensional structure schematic diagram of a mechanical machining exhaust gas waste heat treatment device is provided for the utility model;
[0023] Figure 2 A three-dimensional structure schematic diagram of a novel cylinder is provided for the utility model;
[0024] Figure 3 For Figure 2 An enlarged view of A in the middle;
[0025] Figure 4 A three-dimensional structure schematic diagram of a novel rotating rod is provided for the utility model.
[0026] Legend: 1. Connecting tank; 2. Air inlet pipe; 3. Spiral pipe; 4. Air outlet pipe; 5. Water inlet pipe; 6. Water outlet pipe; 7. Cleaning device; 701. Motor; 702. Threaded rod; 703. Circular frame; 704. Connecting ring; 705. Moving ring; 706. Steel brush; 707. Rubber ring; 708. Limiting cylinder; 709. Cylinder; 710. Rubber cylinder; 711. Threaded block; 712. Rectangular block; 8. Stirring device; 801. Rotating rod; 802. Rectangular plate; 803. Circular rod; 804. Second bevel gear; 805. First bevel gear; 806. Rotating plate; 807. Support cylinder. Detailed Implementation
[0027] Example 1, such as Figures 1-4 As shown, a waste heat treatment device for machining exhaust gas includes a connecting tank 1 with a spiral tube 3 inside, an air inlet pipe 2 inside the connecting tank 1, the bottom of the air inlet pipe 2 being fixedly connected to the top of the spiral tube 3, an air outlet pipe 4 inside the connecting tank 1, the top of the air outlet pipe 4 being fixedly connected to the bottom of the spiral tube 3, a water inlet pipe 5 on one side of the top of the connecting tank 1, a water outlet pipe 6 on one side of the bottom of the connecting tank 1, a cleaning device 7 inside the connecting tank 1, and a stirring device 8 inside the connecting tank 1. When using the waste heat treatment device, cold water is first circulated inside the connecting tank 1, and then high-temperature exhaust gas is circulated into the spiral tube 3. The temperature of the cold water is increased through heat transfer, thereby reducing the resources required to boil the cold water to a certain extent.
[0028] Reference Figure 2 and Figure 3The cleaning device 7 comprises a round frame 703 which is in sliding connection with the inner wall of the connecting tank 1, the inner wall of the round frame 703 is rotationally provided with a connecting ring 704, one side of the inner wall of the connecting ring 704 is fixedly connected with a moving ring 705, the moving ring 705 is in sliding sleeve connection with the surface of the spiral pipe 3, the inner wall of the moving ring 705 is uniformly fixedly connected with a steel brush 706, the inner wall of the moving ring 705 is fixedly connected with a rubber ring 707, the rubber ring 707 is in sleeve connection with the surface of the spiral pipe 3, when the cleaning device 7 is used, the movement of the round frame 703 in the connecting tank 1 is controlled, because the connecting ring 704 rotates on the inner wall of the round frame 703, when the round frame 703 moves in the connecting tank 1, the moving ring 705 moves on the surface of the spiral pipe 3, so that the steel brush 706 can clean the scale on the surface of the spiral pipe 3, because the rubber ring 707 is pressed on the surface of the spiral pipe 3, the scale brushed off can be pressed away from the surface of the spiral pipe 3, so that the surface of the spiral pipe 3 can be conveniently cleaned, the bottom of the connecting tank 1 is fixedly connected with a motor 701, the output end of the motor 701 is fixedly connected with a threaded rod 702, the threaded rod 702 is in threaded penetration and is inserted in the bottom of the round frame 703, the motor 701 is started, the threaded rod 702 is driven to rotate by the motor 701, so that the round frame 703 which is in threaded sleeve connection with the surface of the threaded rod 702 is driven to move on the inner wall of the connecting tank 1, the bottom of the connecting tank 1 is provided with a limiting cylinder 708, the inner wall of the limiting cylinder 708 is threadedly connected with a threaded block 711, the bottom of the threaded block 711 is fixedly connected with a rectangular block 712, the top of the threaded block 711 is fixedly connected with a cylinder 709, when the scale is cleaned to the bottom of the connecting tank 1, the threaded block 711 is manually rotated by the rectangular block 712, so that the cylinder 709 is driven to move away from the limiting cylinder 708, so that the scale can be cleaned out by the limiting cylinder 708, the surface of the cylinder 709 is fixedly connected with a rubber cylinder 710, the rubber cylinder 710 is arranged in the inside of the limiting cylinder 708, after cleaning, the cylinder 709 is arranged in the inside of the limiting cylinder 708, so that the rubber cylinder 710 is pressed on the inner wall of the limiting cylinder 708, so that a good sealing effect can be achieved.
[0029] Referring to Figure 4The stirring device 8 comprises a rotating rod 801, the rotating rod 801 is rotatably arranged on one side of the inner wall of the connecting tank 1, the stirring device 8 can be arranged in the connecting tank 1 by the rotating rod 801, the surface of the rotating rod 801 is uniformly and fixedly connected with a rectangular plate 802, the bottom of the rotating rod 801 is fixedly connected with a first bevel gear 805, the rotating rod 801 is rotated by controlling the first bevel gear 805, so that the rectangular plate 802 rotates in the connecting tank 1, and the water in the connecting tank 1 is stirred, the heat in the water is diffused, the temperature of the cold water is uniformly increased, one side of the air inlet pipe 2 is rotatably penetrated by a round rod 803, one end of the round rod 803 close to the air inlet pipe 2 is fixedly connected with a rotating plate 806, the other end of the round rod 803 away from the rotating plate 806 is fixedly connected with a second bevel gear 804, the first bevel gear 805 and the second bevel gear 804 are meshed with each other, when the waste gas is introduced into the spiral pipe 3 through the air inlet pipe 2, the rotating plate 806 is driven to rotate in the air inlet pipe 2, so that the rotating plate 806 drives the second bevel gear 804 to rotate through the round rod 803, because the first bevel gear 805 and the second bevel gear 804 are meshed with each other, the first bevel gear 805 is driven to rotate, the top of the inner wall of the connecting tank 1 is fixedly connected with a supporting cylinder 807, the inner wall of the supporting cylinder 807 is rotatably provided with the round rod 803, and the round rod 803 is supported in the connecting tank 1 by the supporting cylinder 807.
[0030] The working principle is that when the waste heat treatment device is used, first, the inside of the connecting pot 1 is connected to cold water, and then the high-temperature waste gas is connected to the inside of the spiral pipe 3, the temperature of the cold water is raised through heat transfer, and the resources for boiling the cold water are reduced to a certain extent. When the cleaning device 7 is used, the motor 701 is started, the threaded rod 702 is driven to rotate by the motor 701, and then the circular frame 703 with a threaded sleeve on the surface of the threaded rod 702 is moved on the inner wall of the connecting pot 1. Control the movement of the circular frame 703 inside the connecting pot 1, because the connecting ring 704 rotates on the inner wall of the circular frame 703, and then when the circular frame 703 moves inside the connecting pot 1, the moving ring 705 moves on the surface of the spiral pipe 3, so that the steel brush 706 can clean the scale on the surface of the spiral pipe 3. Because the rubber ring 707 is extruded on the surface of the spiral pipe 3, the scale brushed off can be extruded away from the surface of the spiral pipe 3, so that the surface of the spiral pipe 3 can be conveniently cleaned. Manually rotate the threaded block 711 through the rectangular block 712, and then the cylinder 709 is far away from the limiting cylinder 708, so that the scale can be cleaned out through the limiting cylinder 708. After cleaning, the cylinder 709 is arranged in the inside of the limiting cylinder 708, and then the rubber cylinder 710 is extruded on the inner wall of the limiting cylinder 708, so that it can play a good sealing effect. When the stirring device 8 is used, when the waste gas is introduced into the inside of the spiral pipe 3 through the air inlet pipe 2, the rotating plate 806 is driven to rotate in the inside of the air inlet pipe 2, so that the rotating plate 806 drives the second bevel gear 804 to rotate through the circular rod 803. Because the first bevel gear 805 and the second bevel gear 804 are meshed with each other, the first bevel gear 805 is driven to rotate. By controlling the rotation of the first bevel gear 805, the rotating rod 801 is rotated, the rectangular plate 802 is rotated in the inside of the connecting pot 1, and then the water in the connecting pot 1 is stirred, so that the heat is spread in the cold water to a certain extent, and then the temperature of the cold water can be uniformly raised.
Claims
1. A mechanical processing waste gas heat treatment device comprising a connecting tank (1), characterized in that: The inside of the connecting tank (1) is provided with a spiral pipe (3), the connecting tank (1) is provided with an air inlet pipe (2), the bottom of the air inlet pipe (2) and the top of the spiral pipe (3) are fixedly connected, the bottom of the connecting tank (1) is provided with an air outlet pipe (4), the top of the air outlet pipe (4) and the bottom of the spiral pipe (3) are fixedly connected, one side of the top of the connecting tank (1) is provided with a water inlet pipe (5), one side of the bottom of the connecting tank (1) is provided with a water outlet pipe (6), the inside of the connecting tank (1) is provided with a cleaning device (7), the inside of the connecting tank (1) is provided with a stirring device (8), the cleaning device (7) comprises a round frame (703), the round frame (703) is in sliding connection with the inner wall of the connecting tank (1), the inner wall of the round frame (703) is rotatably provided with a connecting ring (704), one side of the inner wall of the connecting ring (704) is fixedly connected with a moving ring (705), the moving ring (705) is slidably sleeved on the surface of the spiral pipe (3), the inner wall of the moving ring (705) is uniformly fixedly connected with a steel brush (706), the inner wall of the moving ring (705) is fixedly connected with a rubber ring (707), and the rubber ring (707) is sleeved on the surface of the spiral pipe (3).
2. The mechanical working off-gas waste heat treatment device according to claim 1, characterized by: The bottom of the connecting tank (1) is fixedly connected with a motor (701), the output end of the motor (701) is fixedly connected with a threaded rod (702), and the threaded rod (702) is threadedly inserted in the bottom of the round frame (703).
3. The mechanical working off-gas waste heat treatment device according to claim 1, characterized by: The bottom of the connecting tank (1) is provided with a limiting cylinder (708), the inner wall of the limiting cylinder (708) is threadedly connected with a threaded block (711), the bottom of the threaded block (711) is fixedly connected with a rectangular block (712), and the top of the threaded block (711) is fixedly connected with a cylinder (709).
4. The mechanical working off-gas waste heat treatment device according to claim 3, characterized in that: The surface of the cylinder (709) is fixedly connected with a rubber cylinder (710), and the rubber cylinder (710) is arranged in the inside of the limiting cylinder (708).
5. The mechanical working waste gas heat treatment device according to claim 1, characterized in that: The stirring device (8) comprises a rotating rod (801), and the rotating rod (801) is rotatably inserted in one side of the inner wall of the connecting tank (1).
6. The mechanical working off-gas waste heat treatment device according to claim 5, characterized in that: The surface of the rotating rod (801) is uniformly fixedly connected with a rectangular plate (802), and the bottom of the rotating rod (801) is fixedly connected with a first bevel gear (805).
7. The mechanical working off-gas waste heat treatment device according to claim 6, characterized in that: One side of the air inlet pipe (2) is rotatably penetrated with a round rod (803), one end of the round rod (803) close to the air inlet pipe (2) is fixedly connected with a rotating plate (806), the other end of the round rod (803) away from the rotating plate (806) is fixedly connected with a second bevel gear (804), and the first bevel gear (805) and the second bevel gear (804) are in meshing connection.
8. The mechanical working waste gas heat treatment device according to claim 7, characterized in that: The top of the inner wall of the connecting tank (1) is fixedly connected with a supporting cylinder (807), and the inner wall of the supporting cylinder (807) is rotatably provided with the round rod (803).