Adjustable ventilation device for high-pressure boiler

Abstract

The utility model discloses an adjustable ventilation device for a high-pressure boiler, which comprises the high-pressure boiler and an aeration tank, the aeration tank is mounted on the high-pressure boiler, and an adjustable ventilation structure is mounted on the aeration tank and the high-pressure boiler; the adjustable ventilation structure comprises an angle bearing block, a tooth-mounted spraying pipe, a drainage spraying pipe, a side wall limiting pipe, a rotary sleeve rod, a concave telescopic block, a convex telescopic block, a concave connecting block, a connecting telescopic shaft, a telescopic hydraulic push rod and an inflation assembly. The utility model relates to the technical field of boilers, the inner side of a high-pressure boiler is inflated under high pressure through an adjustable ventilation structure, and meanwhile, the combustion angle is adjusted through high-pressure airflow according to different requirements, so that coal on the inner side of the high-pressure boiler is stably inflated, and the combustion angle of the high-pressure boiler is adjusted according to different requirements. And rotating air flows with different frequencies and different angles are generated on the inner side of the boiler, so that the aim of inflating at different rotating angles according to different requirements is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of boilers, in particular to an adjustable ventilation device for high-pressure boilers. Background Art

[0002] As a heat source equipment widely used in production and life, boilers are widely promoted due to their unique performance of heating water through the furnace and tube walls to generate steam.

[0003] At present, coal powder is usually used for boiler combustion. The coal powder needs to be ventilated during the combustion process to ensure its complete combustion. However, during the ventilation process, when the air volume is large, the coal powder will be blown away, and when the air volume is small, the coal powder will not be burned completely. Therefore, it is necessary to improve its design. For the above problems, there may be technical means to solve them in the existing technology, but this case intends to provide an alternative or replacement technical solution. Utility Model Content

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: an adjustable ventilation device for a high-pressure boiler, comprising: a high-pressure boiler and an air charging box, the air charging box is installed on the high-pressure boiler, and an adjustable ventilation structure is installed on the air charging box and the high-pressure boiler;

[0005] The adjustable ventilation structure comprises: a plurality of angle bearing blocks, a plurality of toothed spray pipes, two pairs of drainage spray pipes, a plurality of side wall limit pipes, a plurality of rotating sleeve rods, two pairs of concave telescopic blocks, two pairs of convex telescopic blocks, a plurality of concave connecting blocks, a plurality of connecting telescopic shafts, two pairs of telescopic hydraulic push rods and an inflatable component;

[0006] Several angle bearing blocks are evenly installed on the side wall of the bottom end of the high-pressure boiler, several toothed spray pipes are evenly installed on several angle bearing blocks, two pairs of drainage spray pipes are respectively installed on the four inner corners of the high-pressure boiler, several side wall limit pipes are respectively L-shaped and inserted on the two pairs of drainage spray pipes, and several side wall limit pipes are respectively inserted on both sides of several toothed spray pipes through bearings, several rotating sleeves are respectively sleeved on several toothed spray pipes, two pairs of concave telescopic blocks are respectively installed on the inner side wall of the high-pressure boiler, and two pairs of convex The telescopic blocks are movably inserted into the inner sides of the two pairs of concave telescopic blocks, and the concave connecting blocks are respectively installed on the two pairs of convex telescopic blocks. The rotating sleeves are respectively provided with telescopic grooves. The connecting telescopic shafts are movably inserted into the concave connecting blocks, and the connecting telescopic shafts are movably inserted into the inner sides of the telescopic grooves. The two pairs of telescopic hydraulic push rods are respectively installed on the inner sides of the two pairs of concave telescopic blocks, and the two pairs of telescopic hydraulic push rods are respectively connected to the two pairs of convex blocks. The inflatable assembly is connected to the inflatable box and the two pairs of drainage spray pipes.

[0007] It should be noted that in the above, two pairs of drainage spray pipes are inflated through the inflation assembly, and several side wall limit pipes are inflated through the two pairs of drainage spray pipes. The telescopic hydraulic push rods on the inner sides of the two pairs of concave telescopic blocks are extended and retracted, respectively driving the convex telescopic blocks on the pushing ends of the two pairs of telescopic hydraulic push rods, so that the two pairs of convex telescopic blocks are respectively lifted and lowered vertically along the inner sides of the two pairs of concave telescopic blocks, and the two pairs of convex telescopic blocks are respectively driven by the several concave connecting blocks thereon, and the rotating sleeves are respectively driven by the several concave connecting blocks, and the toothed spray pipes thereon are respectively driven by the several rotating sleeves, so that the several toothed spray pipes are rotated along the several angle bearing blocks, and the several toothed spray pipes are rotated and stretched by the several rotating sleeves, thereby changing the angles of the several toothed spray pipes, thereby achieving multi-angle rotational spraying in the vertical direction on the inner side of the high-pressure boiler, thereby achieving inflating the combustion inside according to different needs.

[0008] Preferably, the inflation assembly comprises: a shunt pipe, an inflation drive motor, a lifting drive gear box, a plurality of lifting threaded pipes, a plurality of lifting threaded rods, a lifting gear set, a lifting extrusion plate, two pairs of toothed sealing blocks, a plurality of concave sealing rubber pads, two pairs of sealing limit electromagnets, two pairs of sealing limit magnet strips and sealing rubber pads;

[0009] The shunt pipe is connected to the two pairs of drainage spray pipes and the inflation box, a plurality of lifting threaded tubes are inserted into the inflation box through bearings, the lifting drive gear box is sleeved on the lifting threaded tube, the driving end of the inflation drive motor is connected to the lifting drive gear box, a plurality of lifting threaded rods are movably inserted into the inner sides of a plurality of lifting threaded tubes, the lifting extrusion plate is connected to a plurality of lifting threaded rods, the lifting gear set is connected to a plurality of lifting threaded tubes, two pairs of toothed telescopic support grooves are provided on the inflation box, two pairs of toothed sealing blocks are movably inserted into the inner sides of the two pairs of toothed telescopic support grooves, a plurality of concave sealing pads are respectively sleeved on the two pairs of toothed sealing blocks, two pairs of sealing limit electromagnets are respectively installed on the inner sides of the two pairs of toothed telescopic support grooves, two pairs of sealing limit magnets are respectively installed on the two pairs of toothed sealing blocks, and the sealing pads are installed on the lifting extrusion plate;

[0010] It should be noted that, in the above, the operation of the inflation drive motor drives the lifting drive gear box on the driving end to rotate, and the lifting drive gear box drives the lifting threaded tube inside it to rotate, and the lifting threaded tube drives the lifting gear set to operate, and drives the lifting gear set to drive several lifting threaded tubes inside it to rotate, and the lifting threaded tubes drive the lifting threaded rods inside them respectively, so that the several lifting threaded rods are lifted and lowered along the several lifting threaded tubes, and the lifting extrusion plates on them are driven by the several lifting threaded rods, so that the pressure inside the inflation box is changed through the lifting extrusion plates, and the gas is drained to the inside of the shunt pipe through the high pressure, and the high-pressure gas is drained to the inside of the two pairs of drainage spray pipes through the shunt pipe, so as to achieve the effect of high-pressure inflation.

[0011] Preferably, a pressure sensor is provided inside the inflation box.

[0012] Preferably, trumpet-shaped limiting plates are respectively provided on the inner sides of the two pairs of the drainage spray pipes and the plurality of the toothed spray pipes.

[0013] Preferably, a pair of drainage valves are provided on the inflation box.

[0014] Preferably, a gas detector is provided inside the high-pressure boiler.

[0015] Beneficial Effects

[0016] The utility model provides an adjustable ventilation device for a high-pressure boiler. It has the following beneficial effects. Compared with the prior art, the adjustable ventilation device for a high-pressure boiler is used to perform high-pressure aeration on the inside of the high-pressure boiler through an adjustable ventilation structure, and at the same time, the combustion angle is adjusted according to different requirements through the high-pressure airflow, so as to achieve stable aeration of the coal inside the high-pressure boiler, and according to different requirements, a rotating airflow with different frequencies and angles is generated inside the boiler, so as to achieve aeration with different rotation angles according to different requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front and cross-sectional schematic diagram of an adjustable ventilation device for a high-pressure boiler described in the utility model.

[0018] Figure 2 for Figure 1 A partial enlarged view of "A".

[0019] In the figure: 1. high-pressure boiler; 2. inflation box; 3. angle bearing block; 4. toothed spray pipe; 5. drainage spray pipe; 6. side wall limit pipe; 7. rotating sleeve rod; 8. concave telescopic block; 9. convex telescopic block; 10. concave connecting block; 11. connecting telescopic shaft; 12. telescopic hydraulic push rod; 13. shunt pipe; 14. inflation drive motor; 15. lifting drive gear box; 16. lifting threaded pipe; 17. lifting threaded rod; 18. lifting gear set; 19. lifting extrusion plate; 20. toothed sealing block; 21. sealing limit electromagnet; 22. sealing limit magnet strip. DETAILED DESCRIPTION

[0020] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0021] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0022] Example

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1-2As shown, the inflation box 2 is installed on the high-pressure boiler 1, and the inflation box 2 and the high-pressure boiler 1 are installed with an adjustable ventilation structure; the adjustable ventilation structure includes: a plurality of angle bearing blocks 3, a plurality of toothed spray pipes 4, two pairs of drainage spray pipes 5, a plurality of side wall limit pipes 6, a plurality of rotating sleeve rods 7, two pairs of concave telescopic blocks 8, two pairs of convex telescopic blocks 9, a plurality of concave connecting blocks 10, a plurality of connecting telescopic shafts 11, two pairs of telescopic hydraulic push rods 12 and an inflation component; a plurality of the angle bearing blocks 3 are evenly installed on the On the side wall of the bottom end of the high-pressure boiler 1, several toothed spray pipes 4 are evenly installed on several angle bearing blocks 3, two pairs of drainage spray pipes 5 are installed on the inner four corners of the high-pressure boiler 1, several side wall limit pipes 6 are L-shaped and inserted on the two pairs of drainage spray pipes 5, and several side wall limit pipes 6 are respectively inserted on both sides of several toothed spray pipes 4 through bearings, several rotating sleeves 7 are respectively sleeved on several toothed spray pipes 4, and two pairs of concave telescopic blocks 8 are respectively installed on the On the inner side wall of the high-pressure boiler 1, two pairs of convex telescopic blocks 9 are respectively movably inserted into the inner sides of the two pairs of concave telescopic blocks 8, a plurality of concave connecting blocks 10 are respectively installed on the two pairs of convex telescopic blocks 9, a plurality of rotating sleeve rods 7 are respectively provided with telescopic grooves, a plurality of connecting telescopic shafts 11 are respectively movably inserted into the plurality of concave connecting blocks 10, and a plurality of connecting telescopic shafts 11 are respectively movably inserted into the inner sides of the plurality of telescopic grooves, and two pairs of telescopic hydraulic push rods 12 are respectively installed on the two pairs of concave telescopic blocks. 8, and the two pairs of telescopic hydraulic push rods 12 are respectively connected to the two pairs of convex blocks, and the inflatable component is connected to the inflatable box 2 and the two pairs of drainage spray pipes 5; the inflatable component includes: a shunt pipe 13, an inflatable drive motor 14, a lifting drive gear box 15, a plurality of lifting threaded pipes 16, a plurality of lifting threaded rods 17, a lifting gear set 18, a lifting extrusion plate 19, two pairs of toothed sealing blocks 20, a plurality of concave sealing pads, two pairs of sealing limit electromagnets 21, two pairs of sealing limit magnet strips 22 and sealing pads;The shunt pipe 13 is connected to the two pairs of drainage spray pipes 5 and the inflation box 2, a plurality of lifting threaded tubes 16 are inserted into the inflation box 2 through bearings, the lifting drive gear box 15 is sleeved on the lifting threaded tube 16, the driving end of the inflation drive machine 14 is connected to the lifting drive gear box 15, a plurality of lifting threaded rods 17 are respectively movably inserted into the inner sides of a plurality of lifting threaded tubes 16, the lifting extrusion plate 19 is connected to a plurality of lifting threaded rods 17, the lifting gear set 18 is connected to a plurality of lifting threaded tubes 16, and two pairs of toothed telescopic support grooves are provided on the inflation box 2, and two pairs of toothed sealing The blocks 20 are respectively movably inserted into the inner sides of the two pairs of the toothed telescopic support grooves, and the concave sealing pads are respectively mounted on the two pairs of the toothed sealing blocks 20. The two pairs of sealing limit electromagnets 21 are respectively installed on the inner sides of the two pairs of the toothed telescopic support grooves, and the two pairs of sealing limit magnets are respectively installed on the two pairs of the toothed sealing blocks 20. The sealing pads are installed on the lifting and extrusion plates 19; a pressure sensor is arranged on the inner side of the inflatable box 2; a trumpet-shaped limit piece is respectively arranged on the inner sides of the two pairs of the drainage spray pipes 5 and the several toothed spray pipes 4; a pair of drainage valves are arranged on the inflatable box 2; a gas detector is arranged on the inner side of the high-pressure boiler. ;

[0024] According to the attached Figure 1-2It is concluded that the two pairs of drainage spray pipes 5 are inflated through the inflation assembly, and the several side wall limit pipes 6 are inflated through the two pairs of drainage spray pipes 5. The telescopic hydraulic push rods 12 inside the two pairs of concave telescopic blocks 8 are extended and retracted, respectively driving the convex telescopic blocks 9 on the pushing ends of the two pairs of telescopic hydraulic push rods 12, so that the two pairs of convex telescopic blocks 9 are respectively lifted and lowered vertically along the inner sides of the two pairs of concave telescopic blocks 8, and the several concave connecting blocks 10 thereon are respectively driven by the two pairs of convex telescopic blocks 9, and the rotating sleeve rods 7 are respectively driven by the several concave connecting blocks 10, and the toothed spray pipes 4 thereon are respectively driven by the several rotating sleeve rods 7, so that the several toothed spray pipes 4 are rotated along the several angle bearing blocks 3, and the several toothed spray pipes 4 are rotated and stretched by the several rotating sleeve rods 7, thereby changing the angles of the several toothed spray pipes 4, so as to achieve multiple vertical movements of the inner side of the high-pressure boiler 1. Angle rotation spray, so as to achieve the purpose of inflating the combustion inside according to different needs; through the operation of the inflation drive motor 14, the lifting drive gear box 15 on the driving end is driven to rotate, and the lifting drive gear box 15 drives the lifting threaded tube 16 inside to rotate, and the lifting threaded tube 16 drives the lifting gear set 18 to operate, and drives the lifting gear set 18 to drive several lifting threaded tubes 16 inside to rotate, and drives the lifting threaded rods 17 inside thereof respectively through several lifting threaded tubes 16, so that several lifting threaded rods 17 are lifted and lowered along several lifting threaded tubes 16, and drives the lifting extrusion plate 19 thereon through several lifting threaded rods 17, so as to change the pressure inside the inflation box 2 through the lifting extrusion plate 19, and drain the gas to the inside of the shunt tube 13 through the high pressure, and drain the high-pressure gas to the inside of the two pairs of drainage spray pipes 5 through the shunt tube 13, so as to achieve the effect of high-pressure inflation.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable ventilation device for a high-pressure boiler, comprising: a high-pressure boiler and an air charging box, characterized in that: The gas charging box is installed on the high-pressure boiler, and an adjustable ventilation structure is installed on the gas charging box and the high-pressure boiler; The adjustable ventilation structure comprises: a plurality of angle bearing blocks, a plurality of toothed spray pipes, two pairs of drainage spray pipes, a plurality of side wall limit pipes, a plurality of rotating sleeve rods, two pairs of concave telescopic blocks, two pairs of convex telescopic blocks, a plurality of concave connecting blocks, a plurality of connecting telescopic shafts, two pairs of telescopic hydraulic push rods and an inflatable component; Several angle bearing blocks are evenly installed on the side wall of the bottom end of the high-pressure boiler, several toothed spray pipes are evenly installed on several angle bearing blocks, two pairs of drainage spray pipes are respectively installed on the four inner corners of the high-pressure boiler, several side wall limit pipes are respectively L-shaped and inserted on the two pairs of drainage spray pipes, and several side wall limit pipes are respectively inserted on both sides of several toothed spray pipes through bearings, several rotating sleeves are respectively sleeved on several toothed spray pipes, two pairs of concave telescopic blocks are respectively installed on the inner side wall of the high-pressure boiler, and two pairs of convex The telescopic blocks are movably inserted on the inner sides of the two pairs of concave telescopic blocks, several concave connecting blocks are respectively installed on the two pairs of convex telescopic blocks, several rotating sleeve rods are respectively provided with telescopic grooves, several connecting telescopic shafts are respectively movably inserted on the several concave connecting blocks, and several connecting telescopic shafts are respectively movably inserted on the inner sides of several telescopic grooves, two pairs of telescopic hydraulic push rods are respectively installed on the inner sides of the two pairs of concave telescopic blocks, and the two pairs of telescopic hydraulic push rods are respectively connected to the two pairs of convex blocks, and the inflation assembly is connected to the inflation box and the two pairs of drainage spray pipes.

2. The adjustable ventilation device for a high-pressure boiler according to claim 1, characterized in that: The inflation assembly includes: a shunt pipe, an inflation drive motor, a lifting drive gear box, a plurality of lifting threaded pipes, a plurality of lifting threaded rods, a lifting gear set, a lifting extrusion plate, two pairs of toothed sealing blocks, a plurality of concave sealing rubber pads, two pairs of sealing limit electromagnets, two pairs of sealing limit magnet strips and sealing rubber pads; The shunt pipe is connected to the two pairs of drainage spray pipes and the inflation box, a plurality of lifting threaded tubes are inserted into the inflation box through bearings, the lifting drive gear box is sleeved on the lifting threaded tubes, the driving end of the inflation drive motor is connected to the lifting drive gear box, a plurality of lifting threaded rods are movably inserted into the inner sides of a plurality of lifting threaded tubes, the lifting extrusion plate is connected to a plurality of lifting threaded rods, the lifting gear set is connected to a plurality of lifting threaded tubes, two pairs of toothed telescopic support grooves are provided on the inflation box, two pairs of toothed sealing blocks are movably inserted into the inner sides of the two pairs of toothed telescopic support grooves, a plurality of concave sealing pads are respectively sleeved on the two pairs of toothed sealing blocks, two pairs of sealing limit electromagnets are respectively installed on the inner sides of the two pairs of toothed telescopic support grooves, two pairs of sealing limit magnets are respectively installed on the two pairs of toothed sealing blocks, and the sealing pads are installed on the lifting extrusion plate.

3. The adjustable ventilation device for a high-pressure boiler according to claim 2, characterized in that: A pressure sensor is arranged inside the air filling box.

4. The adjustable ventilation device for a high-pressure boiler according to claim 3, characterized in that: Trumpet-shaped limiting pieces are respectively arranged on the inner sides of the two pairs of drainage spray pipes and a plurality of the toothed spray pipes.

5. The adjustable ventilation device for a high-pressure boiler according to claim 4, characterized in that: A pair of drainage valves are arranged on the inflation box.

6. The adjustable ventilation device for a high-pressure boiler according to claim 5, characterized in that: A gas detector is arranged inside the high-pressure boiler.

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