High-pressure pneumatic ash removal device for special flue recovery furnace

Abstract

The utility model provides a high-pressure pneumatic ash removal device for a special flue recovery furnace. The high-pressure pneumatic ash removal device comprises a recovery furnace bin body, an ash removal assembly and a high-pressure gas source assembly. The ash removal assembly comprises an air blowing pipe and a plurality of heat dissipation plates, and the multiple heat dissipation plates are arranged at intervals in the length direction of the air blowing pipe; one end of the heat dissipation plate is connected with the side wall of the air blowing pipe, and the other end of the heat dissipation plate is obliquely downwards arranged in the recovery furnace bin body; the air blowing pipe is arranged in the recovery furnace bin body, a plurality of air blowing nozzles are arranged on the side wall of the air blowing pipe, and the air blowing nozzles and the heat dissipation plates are arranged in a one-to-one correspondence mode; the high-pressure air source assembly is connected with the air blowing pipe. According to the heat dissipation device, by arranging the high-pressure gas source assembly, high-pressure gas can be provided, the heat dissipation plate can be purged at regular time, dust is prevented from being adsorbed on the heat dissipation plate, and therefore the better heat dissipation effect is achieved; and meanwhile, the heat dissipation plate is obliquely arranged downwards, so that dust on the heat dissipation plate is easier to fall off, and the dust recovery efficiency is further improved.

Description

Technical Field

[0001] The present application belongs to the technical field of flue recovery furnaces, and more specifically, relates to a high-pressure pneumatic ash cleaning device for a special flue recovery furnace. Background Art

[0002] Traditional coal-fired boiler heating is gradually moving towards cleaner electricity, gas boilers and industrial waste heat. At present, the blast furnaces in steel mills produce a lot of smoke and dust during the steelmaking process, which contains a lot of heat. All major steel mills have added flue recovery equipment, such as flue recovery furnaces. Through flue recovery furnaces, waste heat and dust generated during the steelmaking process can be recycled.

[0003] However, after the current recycling equipment has been used for a period of time, a large amount of dust will be absorbed on the heat sink, resulting in a significant reduction in the recycling efficiency. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a high-pressure pneumatic dust cleaning device for a special flue recovery furnace to solve the technical problem of dust adsorption on the heat sink existing in the prior art.

[0005] To achieve the above-mentioned purpose, the technical solution adopted in the present application is: to provide a high-pressure pneumatic cleaning device for a special flue recovery furnace, including a recovery furnace bin body, a cleaning component and a high-pressure air source component; the cleaning component includes an air blowing pipe and a plurality of heat sinks, and the plurality of heat sinks are arranged at intervals along the length direction of the air blowing pipe; one end of the heat sink is connected to the side wall of the air blowing pipe, and the other end of the heat sink is arranged in an inclined downward manner in the recovery furnace bin body; the air blowing pipe is arranged in the recovery furnace bin body, and a plurality of air blowing nozzles are provided on the side wall of the air blowing pipe, and the air blowing nozzles are arranged one by one corresponding to the heat sinks; the high-pressure air source component is connected to the air blowing pipe.

[0006] Optionally, the dust cleaning assembly further comprises a high-pressure hose and a solenoid valve which are connected in sequence, one end of the high-pressure hose is connected to the air blowing pipe, and one end of the solenoid valve is connected to the high-pressure air source assembly.

[0007] In this embodiment, by providing a high-pressure hose, the connection of the air blowing pipe can be facilitated to adapt to different installation positions; by providing a solenoid valve, the control of the high-pressure gas input can be facilitated.

[0008] Optionally, the cleaning assembly also includes an elbow and a fixed pipe connected in sequence, the recovery furnace bin body is provided with a mounting hole that penetrates the side wall of the recovery furnace bin body, the fixed pipe is embedded in the mounting hole, one end of the fixed pipe is connected to the high-pressure hose, and one end of the elbow is connected to the blowing pipe.

[0009] In this embodiment, by providing an elbow, the installation direction of the blowing pipe can be easily adjusted, and by providing a fixed pipe, it can be fixed on the side wall of the recovery furnace bin body, thereby reducing the shaking of the blowing pipe.

[0010] Optionally, the cleaning assembly further includes a first connector, and the first connector is used to connect the high-pressure hose and the solenoid valve.

[0011] In this embodiment, by providing the first connector, the convenience and quickness of connecting the high-pressure hose and the solenoid valve can be improved.

[0012] Optionally, the dust cleaning component further includes a ball valve, one end of which is connected to the solenoid valve, and the other end of which is connected to the high-pressure air source component.

[0013] In this embodiment, by providing a ball valve, the high-pressure gas input from the high-pressure gas source component can be filtered and purified, thereby avoiding blockage of the gas flow channel of the cleaning component.

[0014] Optionally, the cleaning assembly further includes a second joint, and the second joint is used to connect the solenoid valve and the ball valve.

[0015] In this embodiment, by providing the second joint, the convenience and quickness of connecting the ball valve and the solenoid valve can be improved.

[0016] Optionally, the cleaning assembly further includes a third joint, and the third joint is used to connect the ball valve and the high-pressure air source assembly.

[0017] In this embodiment, by providing the third joint, the convenience and quickness of connecting the ball valve and the high-pressure gas source assembly can be improved.

[0018] Optionally, the high-pressure gas source assembly includes a main cabinet and a high-pressure pipeline, one end of the high-pressure pipeline is connected to the main cabinet, and the other end of the high-pressure pipeline is connected to the third joint.

[0019] In this embodiment, by providing a main cabinet and a high-pressure pipeline, stable high-pressure gas can be delivered to the cleaning component.

[0020] Optionally, the high-pressure gas source assembly further includes a high-pressure gas storage tank, one end of the high-pressure gas storage tank is connected to the main cabinet, and the other end of the high-pressure gas storage tank is connected to the high-pressure pipeline.

[0021] In this embodiment, by providing a high-pressure gas storage tank, high-pressure gas can be stored, avoiding frequent startup of the high-pressure gas pump in the main cabinet, saving energy consumption, and extending the service life of the equipment.

[0022] Optionally, a plurality of the cleaning components are provided, and the plurality of cleaning components are evenly distributed along the circumference direction of the recovery furnace bin body.

[0023] In this embodiment, by providing a plurality of cleaning components, the cleaning efficiency can be further improved, so that the dust in the recovery furnace bin can be fully recycled.

[0024] The beneficial effects of the special flue recovery furnace high-pressure pneumatic cleaning device provided in the present application are: compared with the prior art, in the present application, by setting a high-pressure gas source component, it is possible to provide high-pressure gas to regularly blow the heat sink, thereby preventing dust from being adsorbed on the heat sink, thereby achieving a better heat dissipation effect; by setting a plurality of air blowing nozzles, each heat sink is provided with a corresponding air blowing nozzle, thereby ensuring the dust removal effect of each heat sink; at the same time, the heat sink is tilted downward, so that the dust on the heat sink is easier to fall off, further improving the dust recovery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0026] Figure 1 A schematic diagram of the main structure of a special flue recovery furnace high-pressure pneumatic ash cleaning device provided in an embodiment of the present application;

[0027] Figure 2 for Figure 1 Middle A is a partial enlarged schematic diagram;

[0028] Figure 3 A schematic diagram of a top view of a high-pressure pneumatic ash cleaning device for a special flue recovery furnace provided in an embodiment of the present application;

[0029] Figure 4 A schematic diagram of the three-dimensional structure of a high-pressure pneumatic ash cleaning device for a special flue recovery furnace provided in an embodiment of the present application;

[0030] Figure 5 A schematic structural diagram of a cleaning component in a high-pressure pneumatic cleaning device for a special flue recovery furnace provided in an embodiment of the present application.

[0031] Among them, the reference numerals in the figure are:

[0032] 100-recovery furnace bin;

[0033] 200-cleaning component;

[0034] 201-Blowing tube;

[0035] 202- heat sink;

[0036] 203- High pressure hose;

[0037] 204- solenoid valve;

[0038] 205-elbow;

[0039] 206-fixed pipe;

[0040] 207-first connector;

[0041] 208-ball valve;

[0042] 209-second connector;

[0043] 210-third connector;

[0044] 300-High pressure gas source assembly;

[0045] 301-main cabinet;

[0046] 302-high pressure pipeline;

[0047] 303-control cabinet;

[0048] 304-High-pressure gas storage tank. DETAILED DESCRIPTION

[0049] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0050] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0051] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0053] Please also read Figure 1 , Figure 2 and Figure 5 , the high-pressure pneumatic ash cleaning device for a special flue recovery furnace provided in an embodiment of the present application is now described. The high-pressure pneumatic ash cleaning device for a special flue recovery furnace comprises a recovery furnace bin 100, a ash cleaning assembly 200 and a high-pressure gas source assembly 300; the ash cleaning assembly 200 comprises an air blowing pipe 201 and a plurality of heat sinks 202, and the plurality of heat sinks 202 are arranged at intervals along the length direction of the air blowing pipe 201; one end of the heat sink 202 is connected to the side wall of the air blowing pipe 201, and the other end of the heat sink 202 is arranged in a downwardly inclined manner in the recovery furnace bin 100; the air blowing pipe 201 is arranged in the recovery furnace bin 100, and a plurality of air blowing nozzles (not shown) are arranged on the side wall of the air blowing pipe 201, and the air blowing nozzles are arranged one by one corresponding to the heat sink 202; the high-pressure gas source assembly 300 is connected to the air blowing pipe 201.

[0054] Compared with the prior art, the special flue recovery furnace high-pressure pneumatic dust cleaning device provided in the embodiment of the present application can provide high-pressure gas by setting a high-pressure gas source component 300 to regularly blow the heat sink 202 to prevent dust from being adsorbed on the heat sink 202, thereby achieving a better heat dissipation effect; by setting a plurality of air blowing nozzles, each heat sink 202 is provided with a corresponding air blowing nozzle, thereby ensuring the dust removal effect of each heat sink 202; at the same time, the heat sink 202 is tilted downward, so that the dust on the heat sink 202 is easier to fall off, further improving the dust recovery efficiency.

[0055] It can be understood that the air blowing pipe 201 is a tube structure with one end open and the other end closed, wherein the open end is the air inlet end, and the air blowing nozzle on the side wall of the air blowing pipe 201 is the air outlet end. The air blowing pipe 201 is arranged vertically downward.

[0056] In one embodiment of the present application, see Figure 5 The dust cleaning component 200 also includes a high-pressure hose 203 and a solenoid valve 204 which are connected in sequence. One end of the high-pressure hose 203 is connected to the air blowing pipe 201 , and one end of the solenoid valve 204 is connected to the high-pressure air source component 300 .

[0057] In this embodiment, by providing a high-pressure hose 203, the connection of the air blowing pipe 201 can be facilitated to adapt to different installation positions; by providing a solenoid valve 204, the control of the high-pressure gas input can be facilitated.

[0058] In one embodiment of the present application, see Figure 5 The cleaning component 200 also includes an elbow 205 and a fixed pipe 206 connected in sequence. The recovery furnace bin body 100 is provided with a mounting hole that penetrates the side wall of the recovery furnace bin body 100. The fixed pipe 206 is embedded in the mounting hole. One end of the fixed pipe 206 is connected to the high-pressure hose 203, and one end of the elbow 205 is connected to the blowing pipe 201.

[0059] In this embodiment, by providing an elbow 205, the installation direction of the blowing pipe 201 can be easily adjusted, and by providing a fixing pipe 206, it can be fixed on the side wall of the recovery furnace bin body 100, thereby reducing the shaking of the blowing pipe 201.

[0060] In one embodiment of the present application, see Figure 5 The dust cleaning assembly 200 further includes a first connector 207 , which is used to connect the high-pressure hose 203 and the solenoid valve 204 .

[0061] In this embodiment, by providing the first connector 207, the convenience and speed of connecting the high-pressure hose 203 and the solenoid valve 204 can be improved. Specifically, the first connector 207 can be a conversion connector to match the high-pressure hose 203 and the solenoid valve 204; the connection between the first connector 207 and the high-pressure hose 203 and the solenoid valve 204 can also be provided with sealing rings (not shown) to improve the air tightness of the connection between the high-pressure hose 203 and the solenoid valve 204.

[0062] In one embodiment of the present application, see Figure 5 The dust cleaning component 200 may further include a ball valve 208 , one end of the ball valve 208 is connected to the solenoid valve 204 , and the other end of the ball valve 208 is connected to the high-pressure gas source component 300 .

[0063] In this embodiment, by providing the ball valve 208 , the high-pressure gas input from the high-pressure gas source assembly 300 can be filtered and purified, thereby avoiding clogging of the gas flow channel of the cleaning assembly 200 .

[0064] In one embodiment of the present application, see Figure 5 The dust cleaning assembly 200 further includes a second joint 209 , which is used to connect the solenoid valve 204 and the ball valve 208 .

[0065] In this embodiment, by providing the second joint 209, the convenience and quickness of connecting the ball valve 208 and the solenoid valve 204 can be improved. Specifically, the second joint 209 can be a threaded joint to match the ball valve 208 and the solenoid valve 204; sealing rings (not shown) can also be provided at the connection between the second joint 209 and the ball valve 208 and the solenoid valve 204 to improve the airtightness of the connection between the ball valve 208 and the solenoid valve 204.

[0066] In one embodiment of the present application, see Figure 5 The dust cleaning assembly 200 further includes a third joint 210 , which is used to connect the ball valve 208 and the high-pressure gas source assembly 300 .

[0067] In this embodiment, by providing the third joint 210, the convenience and quickness of connecting the ball valve 208 and the high-pressure gas source assembly 300 can be improved. Specifically, the third joint 210 can be a welding joint to match the ball valve 208 and the high-pressure gas source assembly 300; the connection between the third joint 210 and the ball valve 208 and the high-pressure gas source assembly 300 can also be provided with sealing rings (not shown) to improve the air tightness of the connection between the ball valve 208 and the high-pressure gas source assembly 300.

[0068] In one embodiment of the present application, please refer to Figure 1 and Figure 3 The high-pressure gas source assembly 300 includes a main cabinet 301 and a high-pressure pipeline 302 , one end of the high-pressure pipeline 302 is connected to the main cabinet 301 , and the other end of the high-pressure pipeline 302 is connected to the third joint 210 .

[0069] In this embodiment, by providing a main cabinet 301 and a high-pressure pipeline 302, stable high-pressure gas can be delivered to the dust cleaning component 200. Specifically, a high-pressure gas pump can be provided in the main cabinet 301 as a high-pressure gas source; the high-pressure gas source component 300 can also include a control cabinet 303, which is electrically connected to the main cabinet 301 and is used to control the delivery of the high-pressure gas source.

[0070] In one embodiment of the present application, please refer to Figure 1 , Figure 3 and Figure 4 The high-pressure gas source assembly 300 also includes a high-pressure gas storage tank 304 , one end of the high-pressure gas storage tank 304 is connected to the main cabinet 301 , and the other end of the high-pressure gas storage tank 304 is connected to the high-pressure pipeline 302 .

[0071] In this embodiment, by providing a high-pressure gas storage tank 304, high-pressure gas can be stored, avoiding frequent startup of the high-pressure gas pump in the main cabinet 301, saving energy consumption, and extending the service life of the equipment.

[0072] In one embodiment of the present application, please refer to Figure 3 and Figure 4 There are multiple cleaning assemblies 200, and the multiple cleaning assemblies 200 are evenly distributed along the circumference direction of the recovery furnace bin body 100.

[0073] In this embodiment, by providing multiple dust cleaning components 200, the dust cleaning efficiency can be further improved, so that the dust in the recovery furnace bin 100 can be fully recycled. It can be understood that the high-pressure pipeline 302 is provided with multiple connection ports, and one connection port is connected to one dust cleaning component 200.

[0074] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A high-pressure pneumatic ash cleaning device for a special flue recovery furnace, characterized in that: include: Recovery furnace bin; A dust cleaning component, the dust cleaning component comprises an air blowing pipe and a plurality of heat dissipation plates, the plurality of heat dissipation plates are arranged at intervals along the length direction of the air blowing pipe; one end of the heat dissipation plate is connected to the side wall of the air blowing pipe, and the other end of the heat dissipation plate is arranged obliquely downward in the recovery furnace bin; the air blowing pipe is arranged in the recovery furnace bin, and a plurality of air blowing nozzles are arranged on the side wall of the air blowing pipe, and the air blowing nozzles are arranged one by one corresponding to the heat dissipation plates; and A high-pressure air source component is connected to the air blowing pipe.

2. The high-pressure pneumatic dust cleaning device for a special flue recovery furnace according to claim 1, characterized in that: The dust cleaning component also includes a high-pressure hose and a solenoid valve which are connected in sequence, one end of the high-pressure hose is connected to the air blowing pipe, and one end of the solenoid valve is connected to the high-pressure air source component.

3. The high-pressure pneumatic ash cleaning device for a special flue recovery furnace as claimed in claim 2, characterized in that: The cleaning assembly also includes an elbow and a fixed pipe connected in sequence. The recovery furnace bin body is provided with a mounting hole that penetrates the side wall of the recovery furnace bin body. The fixed pipe is embedded in the mounting hole. One end of the fixed pipe is connected to the high-pressure hose, and one end of the elbow is connected to the air blowing pipe.

4. The high-pressure pneumatic dust cleaning device for a special flue recovery furnace as claimed in claim 2, characterized in that: The dust cleaning assembly further comprises a first joint, and the first joint is used for connecting the high-pressure hose and the solenoid valve.

5. The high-pressure pneumatic dust cleaning device for a special flue recovery furnace as claimed in claim 2, characterized in that: The dust cleaning component also includes a ball valve, one end of which is connected to the solenoid valve, and the other end of which is connected to the high-pressure air source component.

6. The high-pressure pneumatic dust cleaning device for a special flue recovery furnace as claimed in claim 5, characterized in that: The dust cleaning assembly also includes a second joint, and the second joint is used to connect the solenoid valve and the ball valve.

7. The high-pressure pneumatic dust cleaning device for a special flue recovery furnace as claimed in claim 5, characterized in that: The dust cleaning component also includes a third joint, and the third joint is used to connect the ball valve and the high-pressure air source component.

8. The high-pressure pneumatic dust cleaning device for a special flue recovery furnace as claimed in claim 7, characterized in that: The high-pressure gas source component includes a main cabinet and a high-pressure pipeline, one end of the high-pressure pipeline is connected to the main cabinet, and the other end of the high-pressure pipeline is connected to the third joint.

9. The high-pressure pneumatic dust cleaning device for a special flue recovery furnace as claimed in claim 8, characterized in that: The high-pressure gas source assembly also includes a high-pressure gas storage tank, one end of which is connected to the main cabinet, and the other end of which is connected to the high-pressure pipeline.

10. The high-pressure pneumatic dust cleaning device for a special flue recovery furnace according to any one of claims 1 to 9, characterized in that: There are multiple cleaning components, and the multiple cleaning components are evenly distributed along the circumference of the recovery furnace bin body.

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