Waste heat recovery device of tamping coke oven
By designing the waste heat recovery device for the tamping coke oven, and using filtration and heat absorption technology, the heat waste and filter cleaning problems in the traditional tamping coke oven are solved, and efficient recycling and utilization of waste gas heat is achieved.
Patent Information
- Application Number
- CN202421956412.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-08-13
AI Technical Summary
In traditional tamping coke ovens, waste heat from waste coal gas cannot be effectively recovered, resulting in waste of heat and increased electricity consumption. The existing heat-absorbing filter devices cannot effectively clean the filter screen, resulting in poor gas flow and inability to accumulate and utilize heat.
A waste heat recovery device for tamping coke ovens is designed, including a gas storage box, a water tank, a filter box and a heat absorption box. The filter net is cleaned through a filter mechanism (including a beam gas plate, a four-hole turntable, a motor, an electric push rod and a cleaning wheel), and the heat in the waste gas is used to reuse the heat in the waste gas using a heat conduction pipe and a solenoid gas valve.
It realizes effective recycling and utilization of heat in exhaust gas, improves the efficiency of gas heat utilization, reduces power consumption and heat waste, and ensures the cleanliness of the filter and ensures smooth gas flow.
Smart Images
Figure CN222923084U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stamp-charging coke ovens, in particular to a waste heat recovery device for stamp-charging coke ovens. Background Technique
[0002] In a stamp-charging coke oven, the blended coal for coking is rammed into a coal cake slightly smaller than the size of the carbonization chamber by a ramming device and pushed into the carbonization chamber from the coke oven machine side for high-temperature carbonization to produce coke. The furnace body structure of a stamp-charging coke oven has no significant difference in principle from that of a general top-charging coke oven. During the coking process, a large amount of raw gas is produced in the carbonization chamber, with a temperature as high as over 650 °C and containing a large amount of sensible heat. The traditional process uses the method of rapid cooling by spraying ammonia water to reduce the temperature of the raw gas, but this method not only wastes a large amount of sensible heat but also consumes a large amount of electric energy.
[0003] The existing endothermic filtration device cannot clean the filter screen of the filter in a timely manner, resulting in a large amount of soot adsorbed on the surface of the filter screen, causing the gas flow to be blocked and unable to stack and utilize the heat in the gas. Therefore, it is necessary to improve a waste heat recovery device for a stamp-charging coke oven to solve the above problems. Content of the Utility Model
[0004] In view of this, the utility model provides a waste heat recovery device for a stamp-charging coke oven to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.
[0005] The technical solution of the embodiment of the utility model is realized as follows: A waste heat recovery device for a stamp-charging coke oven includes a base, a gas storage tank and a water tank are fixedly connected to the top end of the base, a through filter tank is arranged at the bottom end of the gas storage tank, a heat absorption tank is connected to the top end of the filter tank in a through manner, heat absorption tubes are arranged inside the heat absorption tank, and a filtering mechanism is arranged inside the filter tank;
[0006] The filtering mechanism includes a gas-restricting plate, a four-hole turntable, a motor, an electric push rod and a cleaning wheel. A motor is fixedly connected to the middle of the bottom end of the filter tank, the output end of the motor is fixedly connected to the four-hole turntable, filter nets are respectively fixedly connected inside the four-hole turntable, the four-hole turntable is in through connection between the side close to the water tank and the heat absorption tank and the gas storage tank, inside the filter tank and at the bottom end of the four-hole turntable, a gas-restricting plate is arranged, the gas-restricting plate is in through connection with the four-hole turntable on the side of the water tank, an electric push rod is fixedly connected inside the filter tank, the output end of the electric push rod is rotatably connected to the cleaning wheel, and the outer wall of the cleaning wheel is meshed with the output end of a second motor.
[0007] Further preferably, a baffle is arranged inside the water tank, and a water pump is fixedly connected to the top end of the water tank, and the input end of the water pump penetrates through the top end of the water tank.
[0008] Further preferably, a water pipe is fixedly connected to the output end of the water pump, and a heat conduction pipe is connected through one end of the water pipe.
[0009] Further preferably, rubber soft rings are respectively fixedly connected to the four holes inside the four-hole turntable.
[0010] Further preferably, an air pump is arranged between the bottom end of the filter box and the heat absorption box.
[0011] Further preferably, an electromagnetic air valve is arranged at the bottom end of the heat absorption box.
[0012] Further preferably, the outer wall of the second motor is fixedly connected to the output end of the electric push rod, and the second motor is slidably connected inside the four-hole turntable.
[0013] Due to the adoption of the above technical solutions in the embodiments of the present utility model, it has the following advantages: In the present utility model
[0014] 1. When the air holes of the filter net are blocked, start the motor to drive the four-hole turntable to rotate, and turn another hole to the through position for filtering gas. By starting the electric push rod, the second motor and the cleaning wheel are put into the four-hole turntable together, and start the second belt motor to drive the cleaning wheel to rotate, which is convenient for cleaning and sweeping the dust on the filter net;
[0015] 2. When the filtered waste gas enters the heat absorption box, the heat conduction pipe can suck out the heat in the waste gas for secondary utilization. Then, by starting the electromagnetic air valve to close, the waste gas accumulates inside the heat absorption box, and the air pressure rises, so that the heat inside the box increases with the increase of pressure, which is convenient for increasing the heat utilization efficiency of the gas.
[0016] The above summary is only for the purpose of the specification and is not intended to be limiting in any way. In addition to the above-described illustrative aspects, embodiments and features, further aspects, embodiments and features of the present utility model will be readily apparent by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 It is the overall structure diagram of the present utility model;
[0019] Figure 2 It is the overall sectional structure diagram of the present utility model;
[0020] Figure 3 This is the overall gas flow schematic diagram of the present utility model;
[0021] Figure 4 For the present utility model Figure 3 The partial enlarged schematic diagram at position A in it.
[0022] Reference numerals: 1, base; 2, gas storage tank; 3, filter tank; 4, heat absorption tank; 5, water tank; 6, water pump; 7, water pipe; 8, electromagnetic gas valve; 9, filtering mechanism; 91, air-restricting plate; 92, four-hole turntable; 93, motor; 94, electric push rod; 95, cleaning wheel; 10, heat conduction pipe; 11, air pump; 12, filter net; 13, rubber soft ring; 15, baffle plate. Detailed implementation manners
[0023] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.
[0024] The embodiments of the present utility model will be described in detail below with reference to the drawings. Embodiment
[0025] As Figures 1-4 shown, the embodiment of the present utility model provides a waste heat recovery device for a tamping coke oven, including a base 1. The top end of the base 1 is fixedly connected with a gas storage tank 2 and a water tank 5. The bottom end of the gas storage tank 2 is provided with a through filter tank 3. The top end of the filter tank 3 is connected through to a heat absorption tank 4. The inside of the heat absorption tank 4 is provided with heat absorption pipes. The inside of the filter tank 3 is provided with a filtering mechanism 9;
[0026] The filtering mechanism 9 includes a gas-concentrating plate 91, a four-hole turntable 92, a motor 93, an electric push rod 94 and a cleaning wheel 95. A motor 93 is fixedly connected to the middle of the bottom end of the filtering box 3. The output end of the motor 93 is fixedly connected to a four-hole turntable 92. Filter nets 12 are respectively fixedly connected to the inside of the four-hole turntable 92. The side of the four-hole turntable 92 close to the water tank 5 is communicated with the heat absorption box 4 and the gas storage box 2. Inside the filtering box 3 and at the bottom end of the four-hole turntable 92, there is a gas-concentrating plate 91. The gas-concentrating plate 91 is located on one side of the water tank 5 and is communicated with the four-hole turntable 92. An electric push rod 94 is fixedly connected to the inside of the filtering box 3. The output end of the electric push rod 94 is rotatably connected to a cleaning wheel 95. The outer wall of the cleaning wheel 95 is meshed with the output end of the second motor 93. When the air holes of the filter net 12 are blocked, the motor 93 is started to drive the four-hole turntable 92 to rotate, and another hole is rotated to the through position to filter the gas. By starting the electric push rod 94, the second motor 93 and the cleaning wheel 95 are put into the four-hole turntable 92 together, and the second motor 93 is started to drive the cleaning wheel 95 to rotate, which is convenient for cleaning and sweeping the dust on the filter net 12.
[0027] In one embodiment, specifically, a baffle 15 is arranged inside the water tank 5, and a water pump 6 is fixedly connected to the top end of the water tank 5. The input end of the water pump 6 penetrates through the top end of the water tank 5.
[0028] In one embodiment, specifically, the output end of the water pump 6 is fixedly connected to a water pipe 7, and one end of the water pipe 7 is communicated with a heat conduction pipe 10. By starting the water pump 6, the water inside the water tank 5 is introduced into the heat conduction pipe 10 along the water pipe 7. When the filtered waste gas enters the heat absorption box 4, the heat conduction pipe 10 can suck out the heat in the waste gas for secondary utilization.
[0029] In one embodiment, specifically, rubber soft rings 13 are respectively fixedly connected to the four holes inside the four-hole turntable 92. By arranging rubber soft rings 13 at the connection between the four-hole turntable 92 and the equipment and arranging a gas-concentrating plate 91 inside the filtering box 3, it is convenient for the waste gas to only flow inside the through holes.
[0030] In one embodiment, specifically, an air pump 11 is arranged between the bottom end of the filtering box 3 and the heat absorption box 4.
[0031] In one embodiment, specifically, an electromagnetic air valve 8 is arranged at the bottom end of the heat absorption box 4. When the filtered waste gas enters the heat absorption box 4, the heat conduction pipe 10 can suck out the heat in the waste gas for secondary utilization. Then, by starting the electromagnetic air valve 8 to close, the waste gas accumulates inside the heat absorption box 4, and the air pressure rises, so that the heat inside the box increases with the increase of pressure, which is convenient for increasing the heat utilization efficiency of the gas.
[0032] In one embodiment, specifically, the outer wall of the second motor 93 is fixedly connected to the output end of the electric push rod 94, and the second motor 93 is slidably connected to the inside of the four-hole turntable 92.
[0033] When the present utility model is in operation: The exhaust gas pipeline of the tamping coke oven is connected to one end of the gas storage tank 2, and the exhaust gas of the tamping coke oven is introduced into the gas storage tank 2. By starting the air pump 11, the exhaust gas is introduced into the four-hole turntable 92 along the gas storage tank 2. And a filter screen 12 is arranged inside the gas turntable, which is convenient for filtering impurities such as dust in the exhaust gas. A rubber soft ring 13 is arranged at the connection between the four-hole turntable 92 and the equipment, and a gas converging plate 91 is arranged inside the filter box 3, which is convenient for making the exhaust gas flow only inside the through holes. When the air holes of the filter screen 12 are blocked, the motor 93 is started to drive the four-hole turntable 92 to rotate, and another hole is rotated to the through position for filtering the gas. By starting the electric push rod 94, the second motor 93 and the cleaning wheel 95 are put into the four-hole turntable 92 together, and the second belt motor 93 is started to drive the cleaning wheel 95 to rotate, which is convenient for cleaning and sweeping the dust on the filter screen 12. After cleaning, the electric push rod 94 is started again to slide the second motor 93 and the cleaning wheel 95 out of the four-hole turntable 92. By starting the water pump 6, the water in the water tank 5 is introduced into the heat conduction tube 10 along the water pipe 7. When the filtered exhaust gas enters the heat absorption box 4, the heat conduction tube 10 can absorb the heat in the exhaust gas for secondary utilization. Then, by starting the electromagnetic air valve 8 to close, the exhaust gas accumulates inside the heat absorption box 4, and the air pressure increases, so that the heat inside the box increases with the increase of pressure, which is convenient for increasing the utilization efficiency of the gas heat. The heat-conducted water is squeezed by the water re-injected by the water pump 6 and discharged into the water tank 5 for storage. And a baffle 15 is arranged inside the water tank 5, which can isolate the cold water and the hot water.
[0034] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various changes or substitutions thereof, and these should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims
1. A waste heat recovery device for a ramming coke oven, comprising a base (1), characterized in that: The top end of the base (1) is fixedly connected to a gas storage box (2) and a water tank (5); the bottom end of the gas storage box (2) is provided with a through filter box (3); the top end of the filter box (3) is through-connected to a heat absorption box (4); a heat absorption tube is provided inside the heat absorption box (4); and a filtering mechanism (9) is provided inside the filter box (3); The filtering mechanism (9) comprises an air binding plate (91), a four-hole rotating disk (92), a motor (93), an electric push rod (94) and a cleaning wheel (95); the motor (93) is fixedly connected to the middle of the bottom end of the filtering box (3); the output end of the motor (93) is fixedly connected to the four-hole rotating disk (92); the inside of the four-hole rotating disk (92) is respectively fixedly connected to a filter screen (12); a side of the four-hole rotating disk (92) close to the water tank (5) and between the heat absorption box (4) and the air filter box (95) is connected to the air filter box (95); The filter box (3) is connected to the water storage box (2); an air binding plate (91) is provided inside the filter box (3) and at the bottom end of the four-hole turntable (92); the air binding plate (91) is located on one side of the water tank (5) and is connected to the four-hole turntable (92); an electric push rod (94) is fixedly connected inside the filter box (3); an output end of the electric push rod (94) is rotatably connected to a cleaning wheel (95); and an outer wall of the cleaning wheel (95) is meshingly connected to the output end of a second motor (93).
2. The waste heat recovery device for a ramming coke oven according to claim 1, characterized in that: A baffle (15) is provided inside the water tank (5), and a water pump (6) is fixedly connected to the top of the water tank (5), wherein the input end of the water pump (6) passes through the top of the water tank (5).
3. The waste heat recovery device for a ramming coke oven according to claim 2, characterized in that: The output end of the water pump (6) is fixedly connected to a water pipe (7), and one end of the water pipe (7) is connected through a heat conduction pipe (10).
4. The waste heat recovery device for a stamping coke oven according to claim 1, characterized in that: The four holes inside the four-hole rotating disk (92) are respectively fixedly connected with rubber soft rings (13).
5. The waste heat recovery device for a ramming coke oven according to claim 1, characterized in that: An air pump (11) is provided between the bottom end of the filter box (3) and the heat absorption box (4).
6. The waste heat recovery device for a stamping coke oven according to claim 1, characterized in that: An electromagnetic valve (8) is provided at the bottom end of the heat absorption box (4).
7. The waste heat recovery device for a stamping coke oven according to claim 1, characterized in that: The outer wall of the second motor (93) is fixedly connected to the output end of the electric push rod (94), and the second motor (93) is slidably connected to the inside of the four-hole turntable (92).