A coal gasification furnace heat recycling device

By installing filter frames and filter plates in the heat recovery and utilization device of pulverized coal gasifier, and using an air pump to blow off coal dust, the problem of coal dust adhering to the inner wall of the connecting pipe is solved, and the heat exchange efficiency is improved.

CN224394822UActive Publication Date: 2026-06-23JINAN HUANGTAI GAS STOVE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINAN HUANGTAI GAS STOVE CO LTD
Filing Date
2025-06-14
Publication Date
2026-06-23

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Abstract

The utility model discloses a kind of coal gasification furnace heat recycling devices, belong to coal gasification furnace field, including furnace body, the upper surface of the furnace body is equipped with filter frame, the inside of the filter frame is equipped with filter plate, the outer surface of the filter frame is equipped with cleaning assembly, the outer surface of the furnace body is equipped with recovery assembly, the upper surface of the recovery assembly is equipped with pump, the input end of the pump is communicated with the outer surface of filter frame by suction pipe, the cleaning assembly includes top frame and air pump. By being equipped with filter frame and filter plate in front of recovery assembly, the gas needed to be pumped into water storage tank can be filtered, coal dust in the gas is filtered out, so that coal dust is prevented from flowing out with gas and adhering to the inner wall of pipeline, so the device effectively solves the problem that existing device is prone to cause coal dust to adhere to the inner wall of connecting pipe during use, causing the efficiency of heat exchange to be affected.
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Description

Technical Field

[0001] This utility model relates to the field of pulverized coal gasification furnaces, specifically a heat recovery and utilization device for pulverized coal gasification furnaces. Background Technology

[0002] The heat recovery and utilization unit of pulverized coal gasifier plays a vital role in improving energy efficiency and reducing energy waste. With continuous technological advancements and increasingly stringent environmental protection requirements, this unit has broad application prospects in the coal chemical industry. Through continuous technological innovation and optimized design, the heat recovery and utilization unit of pulverized coal gasifier will make a greater contribution to achieving clean and efficient utilization of coal and sustainable development.

[0003] Chinese Patent Publication No. CN219551291U discloses a waste heat recovery and utilization device, including a base, a hot water collection tank fixedly connected to the top of the base, a heating pipe arranged in the inner cavity of the hot water collection tank, an exhaust pipe connected to the right side of the heating pipe, and an air inlet pipe connected to the left side of the heating pipe. The left side of the air inlet pipe and the right side of the exhaust pipe both penetrate to both sides of the hot water collection tank and are fixedly connected to flanges. However, the above patent still has some shortcomings. During the use of pulverized coal gasification furnace, a large amount of coal dust is easily generated and will adhere to the inner wall of the connecting pipe, thereby affecting the efficiency of heat exchange. Therefore, those skilled in the art provide a pulverized coal gasification furnace heat recovery and utilization device to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide a heat recovery and utilization device for a pulverized coal gasifier to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A heat recovery and utilization device for a pulverized coal gasification furnace includes a furnace body, a filter frame installed on the upper surface of the furnace body, a filter plate installed inside the filter frame, a cleaning component installed on the outer surface of the filter frame, a recovery component installed on the outer surface of the furnace body, and a pump installed on the upper surface of the recovery component. The input end of the pump is connected to the outer surface of the filter frame through a suction pipe.

[0007] As a further embodiment of this utility model: the cleaning assembly includes a top frame and an air pump, an electric push rod is installed on the upper surface of the top frame, a lifting plate is installed at the output end of the electric push rod, and multiple air jets are installed on the bottom surface of the lifting plate.

[0008] As a further embodiment of this utility model: the output end of the air pump is connected to an air injection pipe, the top end of the air injection pipe penetrates the top frame and extends into the interior of the top frame, and the top end of the air injection pipe is connected to multiple air jets respectively.

[0009] As a further embodiment of this utility model: the recycling component includes a water storage tank, a threaded contact pipe is installed inside the water storage tank, the output end of the pump is connected to an exhaust pipe, the bottom end of the exhaust pipe passes through the water storage tank and extends into the water storage tank, the top end of the threaded contact pipe is connected to the bottom end of the exhaust pipe, the bottom end of the threaded contact pipe passes through the water storage tank and extends to the outside of the water storage tank, and the bottom end of the threaded contact pipe is provided with an exhaust port.

[0010] As a further improvement of this utility model: a water injection cylinder is connected to the left side of the water storage tank, and a drain valve is connected to the bottom of the water storage tank.

[0011] As a further improvement of this utility model: the inner wall of the filter frame has two sliding grooves, and the outer surface of the filter plate is connected to two sliders.

[0012] As a further improvement of this utility model: a control panel is installed on the front of the water storage tank, and the control panel is electrically connected to the device via wires.

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

[0014] This pulverized coal gasification furnace heat recovery and utilization device, by installing a filter frame and filter plate in front of the recovery component, can filter the gas to be drawn into the water storage tank, filtering out coal dust in the gas, thereby preventing coal dust from flowing out with the gas and adhering to the inner wall of the pipe. Furthermore, by using an air pump to blow gas through the air injection pipe and multiple jet nozzles, air can be blown onto the filter plate, blowing off the coal dust filtered from the bottom surface of the filter plate, thus facilitating the cleaning of the filter plate. Therefore, this device effectively solves the problem that existing devices are prone to coal dust adhering to the inner wall of the connecting pipe during use, which affects the efficiency of heat exchange. Attached Figure Description

[0015] Figure 1 A three-dimensional structural schematic diagram of a pulverized coal gasification furnace heat recovery and utilization device;

[0016] Figure 2 This is a schematic diagram of the front section structure of a filter frame in a pulverized coal gasification furnace heat recovery and utilization device;

[0017] Figure 3 This is a rear view schematic diagram of a heat recovery and utilization device for a pulverized coal gasifier.

[0018] Figure 4 This is a side cross-sectional schematic diagram of a pulverized coal gasification furnace heat recovery and utilization device.

[0019] In the diagram: 1. Furnace body; 2. Cleaning assembly; 3. Recycling assembly; 4. Filter frame; 5. Filter plate; 6. Suction pipe; 7. Pump; 8. Control panel; 9. Drain valve; 10. Lifting plate; 11. Jet nozzle; 12. Air injection pipe; 13. Electric push rod; 14. Top frame; 15. Air pump; 16. Water injection cylinder; 17. Water storage tank; 18. Exhaust pipe; 19. Exhaust port; 20. Threaded contact pipe; 21. Slider; 22. Slide groove. Detailed Implementation

[0020] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figures 1-4In this embodiment of the utility model, a pulverized coal gasification furnace heat recovery and utilization device includes a furnace body 1. A filter frame 4 is installed on the upper surface of the furnace body 1. A filter plate 5 is installed inside the filter frame 4. A cleaning component 2 is installed on the outer surface of the filter frame 4. A recovery component 3 is installed on the outer surface of the furnace body 1. A pump 7 is installed on the upper surface of the recovery component 3. The input end of the pump 7 is connected to the outer surface of the filter frame 4 through a suction pipe 6. The cleaning component 2 includes a top frame 14 and a gas pump 15. An electric push rod 13 is installed on the upper surface of the top frame 14. A lifting plate 10 is installed at the output end of the electric push rod 13. Multiple jet nozzles 11 are installed on the bottom surface of the lifting plate 10. The filter plate 5 can filter out coal dust in the gas. The specific models of various electrical components mentioned herein should be based on actual use and installation. The pump 7 can extract the gas.

[0023] The output end of the air pump 15 is connected to the air injection pipe 12. The top end of the air injection pipe 12 passes through the top frame 14 and extends into the interior of the top frame 14. The top end of the air injection pipe 12 is connected to multiple jet nozzles 11. The air pump 15 can generate high-pressure gas and spray the gas out through the jet nozzles 11.

[0024] The recycling component 3 includes a water storage tank 17. A threaded contact pipe 20 is installed inside the water storage tank 17. The threaded contact pipe 20 contacts water, enabling the recovery and utilization of heat energy. The output end of the pump 7 is connected to an exhaust pipe 18. The bottom end of the exhaust pipe 18 passes through the water storage tank 17 and extends into the interior of the water storage tank 17. The top end of the threaded contact pipe 20 is connected to the bottom end of the exhaust pipe 18. The bottom end of the threaded contact pipe 20 passes through the water storage tank 17 and extends to the outside of the water storage tank 17. An exhaust port 19 is provided at the bottom end of the threaded contact pipe 20. A water injection cylinder 16 is connected to the left side of the water storage tank 17. A drain valve 9 is connected to the bottom of the water storage tank 17 to facilitate the drainage of water from the water storage tank 17.

[0025] The inner wall of the filter frame 4 has two grooves 22, and the outer surface of the filter plate 5 is connected to two sliders 21. Each groove 22 is adapted to the slider 21, making the filter plate 5 more stable when pulled out. The front of the water storage tank 17 is equipped with a control panel 8, which is electrically connected to the device through wires for easy control of the device.

[0026] The working principle of this utility model is as follows: When using this pulverized coal gasification furnace heat recovery and utilization device, the operator first installs and uses it. Then, water is injected into the water storage tank 17 through the water injection cylinder 16. Next, the furnace body 1 is started, and the pump 7 in the device is started at the same time to draw the gas generated in the furnace body 1 into the recovery component 3. The heat energy is recovered by contacting the outer surface of the threaded contact pipe 20 in the recovery component 3 with the water. Finally, after the furnace body 1 is used up, the air pump 15 in the device is started, and the gas is sprayed onto the upper surface of the filter plate 5 through the air injection pipe 12 and the air jet head 11, blowing off the coal dust filtered from the upper surface of the filter plate 5.

[0027] The above description is merely a preferred embodiment of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalent elements of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A heat recovery and utilization device for a pulverized coal gasification furnace, comprising a furnace body (1), characterized in that, A filter frame (4) is installed on the upper surface of the furnace body (1), a filter plate (5) is installed inside the filter frame (4), a cleaning component (2) is installed on the outer surface of the filter frame (4), a recycling component (3) is installed on the outer surface of the furnace body (1), a pump (7) is installed on the upper surface of the recycling component (3), and the input end of the pump (7) is connected to the outer surface of the filter frame (4) through a suction pipe (6).

2. The heat recovery and utilization device for a pulverized coal gasification furnace according to claim 1, characterized in that, The cleaning assembly (2) includes a top frame (14) and an air pump (15). An electric push rod (13) is installed on the upper surface of the top frame (14). A lifting plate (10) is installed at the output end of the electric push rod (13). A plurality of jet nozzles (11) are installed on the bottom surface of the lifting plate (10).

3. The pulverized coal gasification furnace heat recovery and utilization device according to claim 2, characterized in that, The output end of the air pump (15) is connected to an air injection pipe (12). The top end of the air injection pipe (12) passes through the top frame (14) and extends into the interior of the top frame (14). The top end of the air injection pipe (12) is connected to multiple jet heads (11).

4. The heat recovery and utilization device for a pulverized coal gasification furnace according to claim 1, characterized in that, The recycling component (3) includes a water storage tank (17), inside which a threaded contact pipe (20) is installed. The output end of the pump (7) is connected to an exhaust pipe (18). The bottom end of the exhaust pipe (18) passes through the water storage tank (17) and extends into the interior of the water storage tank (17). The top end of the threaded contact pipe (20) is connected to the bottom end of the exhaust pipe (18). The bottom end of the threaded contact pipe (20) passes through the water storage tank (17) and extends into the exterior of the water storage tank (17). The bottom end of the threaded contact pipe (20) is provided with an exhaust port (19).

5. The pulverized coal gasification furnace heat recovery and utilization device according to claim 4, characterized in that, The left side of the water storage tank (17) is connected to a water injection cylinder (16), and the bottom side of the water storage tank (17) is connected to a drain valve (9).

6. The heat recovery and utilization device for a pulverized coal gasification furnace according to claim 1, characterized in that, The inner wall of the filter frame (4) has two grooves (22), and the outer surface of the filter plate (5) is connected to two sliders (21). Each groove (22) is adapted to the slider (21).

7. The pulverized coal gasification furnace heat recovery and utilization device according to claim 4, characterized in that, The front of the water storage tank (17) is equipped with a control panel (8), which is electrically connected to the device via wires.