CN215675278U

CN215675278U - Multi-wind-direction pressurizing hood with good ash removal effect

Info

Publication number: CN215675278U
Application number: CN202121063967.6U
Authority: CN
Inventors: 刘辉宇
Original assignee: Huangshi Jingzhan Electromechanical Equipment Co ltd
Current assignee: Huangshi Jingzhan Electromechanical Equipment Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-28
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a multi-wind-direction pressurizing hood with a good ash removal effect, which comprises a hood body and a hood connecting pipe communicated with the bottom of the hood body, wherein air outlet holes are formed in the periphery of the surface of the hood body in a penetrating manner, the air outlet holes are circular holes, the diameters of the air outlet holes are gradually reduced from inside to outside, a separation circular plate is fixed on the inner wall of the hood body, a pressure changing mechanism is arranged on the separation circular plate, a positioning mechanism is arranged on the hood body, an annular anti-blocking net is sleeved on the surface of the hood body, and an iron ring is fixed at the bottom of the annular anti-blocking net. This effectual many wind directions pressure boost hood of deashing through the setting of ventilation groove, vary the board, is convenient for change the air inlet wind pressure, and cooperation positioning mechanism is convenient for fix a position the vary board, and the pressure boost effect is better, and it is comparatively convenient that the wind pressure is adjusted, and the use limitation is littleer, prevents through the setting of stifled net of annular, can prevent that outside gray layer from getting into inside the hood body, and then prevents that the venthole from taking place to block up.

Description

Multi-wind-direction pressurizing hood with good ash removal effect

Technical Field

The utility model relates to the technical field of blast caps, in particular to a multi-wind-direction pressurizing blast cap with a good ash removal effect.

Background

The energy supply and demand relationship is tense, so that an energy system mainly based on coal cannot be changed in a short term, and in recent years, the large-range and long-time severe haze weather in China is closely related to high-strength and low-altitude discharge of industrial boilers. At present, the existing blast cap is usually arranged on an air distribution plate at the bottom of a combustion chamber, and the interior of the blast cap is communicated with a wind box and used for combustion air supply, so that the combustion is more thorough.

According to patent publication No. CN205897166U, a pressurizing hood belongs to a part on a boiler and mainly comprises a hood body, wherein the bottom of the hood body is connected with a hood connecting pipe; the air cap body is uniformly provided with four air outlets which are circular holes, the air is pressurized through the air outlets with the diameters gradually reduced from inside to outside, the pressurization effect is not obvious, the air pressure is not convenient to change quickly, the ash removal effect is general, and the air outlets are easy to have ash layers stacked after being used, so that the air outlets are easy to block.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the multi-wind-direction pressurizing hood with good ash removal effect, and solves the problems that the pressurizing effect is not obvious, the wind pressure is not convenient to change quickly, the ash removal effect is general, an ash layer is easy to accumulate after the air outlet is used, and the air outlet is easy to block.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an effectual many wind directions pressure boost hood of deashing, includes the hood body, communicates the hood takeover in hood body bottom, all run through around the hood body surface and seted up the venthole, the venthole is the circular port, the diameter of venthole diminishes from inside to outside gradually, the inner wall of hood body is fixed with the separation plectane, be provided with vary voltage mechanism on the separation plectane, be provided with positioning mechanism on the hood body, the surface cover of hood body is equipped with the annular and prevents stifled net, the bottom of annular anti-blocking net is fixed with the hoop, the fixed surface of hood body has the magnetism ring with hoop looks adaptation.

The variable pressure mechanism comprises a rotating shaft and a rotating rod, wherein the rotating shaft is rotatably connected to the bottom of the separation circular plate, the rotating rod penetrates through the surface of the blast cap body, ventilation grooves are formed in the front and the rear of the top of the separation circular plate, variable pressure plates are fixed to the two sides of the surface of the rotating rod, the top of each variable pressure plate is in contact with the bottom of the separation circular plate, a first bevel gear is fixed to the surface of the rotating rod, and a second bevel gear meshed with the first bevel gear is fixed to the surface of the rotating shaft.

Preferably, the positioning mechanism comprises an L-shaped plate which is connected to the surface of the blast cap connecting pipe in a sliding mode and a first rotating disc which is fixed to the surface of the rotating rod, and first annular teeth are formed in the surface of the first rotating disc.

Preferably, a second rotating disc is fixed to the top of the L-shaped plate, and second annular teeth meshed with the first annular teeth are formed in the surface of the second rotating disc.

Preferably, both sides of the top of the L-shaped plate are fixed with tensioning springs, and the top ends of the two tensioning springs are fixedly connected with the bottom of the hood body.

Preferably, the variable pressure plate and the ventilation groove are both fan-shaped, and the area of the variable pressure plate is larger than that of the ventilation groove.

Preferably, the inner wall of the annular anti-blocking net is in contact with the surface of the hood body, and the air outlet is arranged in a downward inclined mode.

Advantageous effects

The utility model provides a multi-wind-direction supercharging hood with a good ash removal effect. Compared with the prior art, the method has the following beneficial effects:

(1) this effectual many wind directions pressure boost hood of deashing, through including rotating the pivot of connection in separation plectane bottom and running through the bull stick on hood body surface at vary voltage mechanism, the ventilation groove has all been seted up at the place ahead and the rear at separation plectane top, the both sides on bull stick surface all are fixed with the pressure change board, the top of two pressure change boards all contacts with the bottom of separation plectane, the fixed surface of bull stick has first bevel gear, the fixed surface of pivot has the second bevel gear with first bevel gear engaged with, through the ventilation groove, the setting of pressure change board, be convenient for change air inlet wind pressure, cooperation positioning mechanism, be convenient for fix a position the pressure change board, the pressure boost effect is better, it is comparatively convenient that the wind pressure is adjusted, the use limitation is littleer.

(2) This effectual many wind directions pressure boost hood of deashing through the bottom of preventing at the annular stifled net be fixed with the hoop, the fixed surface of hood body have with the magnetic ring of hoop looks adaptation, prevent the setting of stifled net through the annular, can prevent that outside ash layer from getting into inside the hood body, and then prevent that the venthole from taking place to block up, through the setting of magnetic ring, hoop, be convenient for prevent to the annular stifled net install and dismantle.

Drawings

FIG. 1 is a perspective exploded view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

FIG. 3 is a cross-sectional view of the body structure of the hood of the present invention;

fig. 4 is a bottom view of a partial structure of the present invention.

In the figure: 1-a blast cap body, 2-a blast cap connecting pipe, 3-an air outlet hole, 4-a blocking circular plate, 5-a pressure changing mechanism, 51-a rotating shaft, 52-a rotating rod, 53-a ventilating groove, 54-a pressure changing plate, 55-a first bevel gear, 56-a second bevel gear, 6-a positioning mechanism, 61-an L-shaped plate, 62-a first rotating disc, 63-a first annular tooth, 64-a second rotating disc, 65-a second annular tooth, 66-a tensioning spring, 7-an annular anti-blocking net, 8-an iron ring and 9-a magnetic ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an effectual many wind directions pressure boost hood of deashing, including hood body 1, the intercommunication is taken over 2 at the hood of hood body 1 bottom, all run through around on hood body 1 surface and seted up venthole 3, venthole 3 is the circular port, the diameter of venthole 3 diminishes from inside to outside gradually, the inner wall of hood body 1 is fixed with separation plectane 4, be provided with vary voltage mechanism 5 on the separation plectane 4, be provided with positioning mechanism 6 on the hood body 1, the surface cover of hood body 1 is equipped with annular anti-blocking net 7, the bottom of annular anti-blocking net 7 is fixed with hoop 8, the fixed surface of hood body 1 has the magnetism ring 9 with hoop 8 looks adaptation, utilize magnetism ring 9 and hoop 8 to adsorb each other and then fix a position annular anti-blocking net 7.

Transformation mechanism 5 is including rotating the pivot 51 of connecting in separation plectane 4 bottom and running through the bull stick 52 on the surface of hood body 1, ventilation groove 53 has all been seted up to the place ahead and the rear at separation plectane 4 top, the both sides on bull stick 52 surface all are fixed with transformation board 54, the top of two transformation boards 54 all contacts with the bottom of separation plectane 4, the fixed surface of bull stick 52 has first bevel gear 55, the fixed surface of pivot 51 has second bevel gear 56 with first bevel gear 55 engaged with.

Positioning mechanism 6 includes that sliding connection is in L template 61 on blast cap takeover 2 surface and fixes first carousel 62 on bull stick 52 surface, first annular tooth 63 has been seted up on the surface of first carousel 62, the top of L template 61 is fixed with second carousel 64, second carousel 64's surface is seted up with first annular tooth 63 engaged with second annular tooth 65, the both sides at L template 61 top all are fixed with straining spring 66, be convenient for second carousel 64 laminates first carousel 62 all the time, the top of two straining spring 66 all with blast cap body 1's bottom fixed connection.

The variable pressure plate 54 and the ventilation groove 53 are fan-shaped, the area of the variable pressure plate 54 is larger than that of the ventilation groove 53, the inner wall of the annular anti-blocking net 7 is in surface contact with the hood body 1, the air outlet holes 3 are arranged in a downward inclined mode, and water drops are prevented from entering the hood body 1.

And those not described in detail in this specification are well within the skill of those in the art.

When the air pressure adjusting device is in work, the air pressure adjusting device is installed at the bottom of an industrial boiler, the air cap connecting pipe 3 is connected with a fan through a pipeline, the fan is started when the air pressure is required to be adjusted to be large, one hand presses the L-shaped plate 61 downwards to drive the second rotary plate 64 to move downwards, the second annular tooth 65 is separated from the first annular tooth 63, the other hand rotates the first rotary plate 62 to rotate the rotary rod 52, the first bevel gear 55 and the second bevel gear 56 are matched to drive the rotary shaft 51 to rotate, the two variable pressure plates 54 shield the two ventilation grooves 53, the exposed areas of the two ventilation grooves 53 are reduced, the air pressure is increased, the L-shaped plate 61 is loosened after the adjustment, the second rotary plate 64 is reset under the elastic force action of the tensioning spring 66, and the second annular tooth 65 is attached to the first annular tooth 63, the positioning of the pressure changing plate 54 is completed by positioning the rotating rod 52.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an effectual many wind directions pressure boost hood of deashing, includes hood body (1), communicates hood takeover (2) in hood body (1) bottom, its characterized in that: the blast cap comprises a blast cap body (1), wherein air outlet holes (3) are formed in the periphery of the surface of the blast cap body (1) in a penetrating mode, the air outlet holes (3) are circular holes, the diameter of each air outlet hole (3) is gradually reduced from inside to outside, a separation circular plate (4) is fixed on the inner wall of the blast cap body (1), a transformation mechanism (5) is arranged on each separation circular plate (4), a positioning mechanism (6) is arranged on the blast cap body (1), an annular anti-blocking net (7) is sleeved on the surface of the blast cap body (1), an iron ring (8) is fixed at the bottom of the annular anti-blocking net (7), and a magnetic ring (9) matched with the iron ring (8) is fixed on the surface of the blast cap body (1);

the utility model discloses a blast cap structure, including the rotation of vary voltage mechanism (5) connect in pivot (51) of separation plectane (4) bottom and the bull stick (52) that runs through on blast cap body (1) surface, ventilation groove (53) have all been seted up to the place ahead and the rear at separation plectane (4) top, the both sides on bull stick (52) surface all are fixed with vary voltage board (54), two the top of vary voltage board (54) all contacts with the bottom of separation plectane (4), the fixed surface of bull stick (52) has first bevel gear (55), the fixed surface of pivot (51) has second bevel gear (56) with first bevel gear (55) engaged with.

2. The multi-wind-direction supercharging hood with good ash removal effect according to claim 1, characterized in that: the positioning mechanism (6) comprises an L-shaped plate (61) which is connected to the surface of the blast cap connecting pipe (2) in a sliding mode and a first rotating disc (62) which is fixed to the surface of the rotating rod (52), and first annular teeth (63) are formed in the surface of the first rotating disc (62).

3. The multi-wind-direction supercharging hood with good ash removal effect according to claim 2, characterized in that: a second rotary table (64) is fixed to the top of the L-shaped plate (61), and second annular teeth (65) meshed with the first annular teeth (63) are formed in the surface of the second rotary table (64).

4. The multi-wind-direction supercharging hood with good ash removal effect according to claim 2, characterized in that: both sides at the top of the L-shaped plate (61) are fixed with tensioning springs (66), and the top ends of the tensioning springs (66) are fixedly connected with the bottom of the hood body (1).

5. The multi-wind-direction supercharging hood with good ash removal effect according to claim 1, characterized in that: the variable pressure plate (54) and the ventilation groove (53) are both fan-shaped, and the area of the variable pressure plate (54) is larger than that of the ventilation groove (53).

6. The multi-wind-direction supercharging hood with good ash removal effect according to claim 1, characterized in that: the inner wall of the annular anti-blocking net (7) is in contact with the surface of the hood body (1), and the air outlet holes (3) are arranged in a downward inclined mode.