CN212961694U

CN212961694U - Air blowing device for natural gas boiler

Info

Publication number: CN212961694U
Application number: CN202021428811.9U
Authority: CN
Inventors: 张博
Original assignee: Hubei Huanfeng Energy Technology Co ltd
Current assignee: Hubei Huanfeng Energy Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-04-13
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a blast air supply arrangement for natural gas boiler, including first device storehouse, first gas storehouse and second device storehouse, the top in first device storehouse is fixed with first gas storehouse, and the intermediate position department at the inside top in first device storehouse installs the second gas storehouse, one side intercommunication of first device storehouse bottom has the gas-supply pipe, and the one end and the second gas storehouse intercommunication that first gas storehouse was kept away from to the gas-supply pipe. This a blast air supply arrangement for natural gas boiler, be connected through the meshing of second bevel gear with first bevel gear, and the elasticity of first spring, when making the motor drive the crankshaft and rotate, the pivot can rotate thereupon, and then drive the seal cover with sealed piece jack-up, the length of extrusion pole can be adjusted through twisting the screw rod simultaneously, and then can adjust the range that sealed piece was jacked, change the oxygen throughput of intake pipe, and can be through the more even air supply of jet-propelled pipe, and can carry out more accurate blowing to the burning part.

Description

Air blowing device for natural gas boiler

Technical Field

The utility model relates to a natural gas boiler blast air technical field specifically is a blast air supply arrangement for natural gas boiler.

Background

In industrial production, energy conversion is often required to be converted into more convenient energy, energy conversion equipment is required to be utilized, the boiler is one of the more extensive applications, chemical fuel energy can be converted into steam to do work by heating the boiler, and then the chemical fuel energy is further converted into a form for use, natural gas is one of chemical energy commonly used for filtering, when the natural gas boiler is used, a blowing and air supply device is required to be utilized to increase the combustion efficiency, the traditional blowing and air supply device for the natural gas boiler can basically meet the use requirements of people, but certain problems still exist, and the specific problems are as follows:

1. when the existing air blowing and air supplying device for the natural gas boiler is used, a proper amount of oxygen needs to be fed into a combustion chamber while air blowing is performed, so that the overall combustion efficiency is increased, but the existing air blowing and air supplying device for the natural gas boiler is inconvenient to adjust the feeding amount of the oxygen;

2. when the existing air blowing and air supplying device for the natural gas boiler is used, a common air supply opening is single, air supply is not uniform enough, and accurate air supply and air blowing are not convenient for a combustion area when a combustion chamber is locally used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blast air supply arrangement for natural gas boiler to solve the current blast air supply arrangement for natural gas boiler that proposes among the above-mentioned background art and be not convenient for adjust the oxygen volume of letting in that increases combustion efficiency, and the air supply is not enough even or be not convenient for carry out the problem of accurate air supply blast air to the combustion area.

In order to achieve the above object, the utility model provides a following technical scheme: a blast air supply device for a natural gas boiler comprises a first device bin, a first air bin and a second device bin, wherein the first air bin is fixed at the top of the first device bin, the second air bin is installed at the middle position of the top in the first device bin, one side of the bottom of the first device bin is communicated with an air pipe, one end, far away from the first air bin, of the air pipe is communicated with the second air bin, an air inlet is formed in the top of the first air bin, close to one side of the air pipe, of the first air bin, the second device bin is fixed at one side, far away from the air inlet, of the top of the first air bin, a motor is installed at the top of the second device bin, the output end of the motor is connected with a crankshaft penetrating through the first air bin, a first bevel gear is fixedly sleeved on the outer side, close to the top end, of the crankshaft, one side, far away from the second device bin, of the top of the first air bin is communicated with an air inlet, the air inlet is characterized in that a partition plate is fixed at the middle position of one side, close to the air inlet, of the inner portion of the first air bin, one-way sealing plugs are installed at the top and the bottom of the partition plate, a third spring is connected between the one-way sealing plugs and the partition plate, and a limiting block is fixed on the partition plate, far away from one side of the third spring, of the one-way sealing plugs.

Preferably, the bottom of the second air bin is communicated with an air injection pipe penetrating through the first device bin, and a valve is arranged on the outer side of the air injection pipe.

Preferably, the outer side cover that the bent axle is close to the bottom is equipped with the loop bar, and the one end that the bent axle was kept away from to the loop bar articulates there is the piston.

Preferably, both sides in the air inlet pipe are all fixed with the fixed block, the internally mounted of fixed block has first spring, and the top of first spring is provided with sealed piece.

Preferably, a rotating shaft extending to the second device bin penetrates through one side, far away from the air inlet, of the air inlet pipe, and a second bevel gear is fixed at one end, close to the second device bin, of the rotating shaft.

Preferably, the outer side of the rotating shaft close to one end of the air inlet is sleeved with a sealing sleeve, a screw penetrates through one side, far away from the second device bin, of the rotating shaft, an extrusion rod penetrates through the top of the rotating shaft, and a second spring is connected between the extrusion rod and the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the meshing connection of the second bevel gear and the first bevel gear and the elasticity of the first spring, when the motor drives the crankshaft to rotate, the rotating shaft can rotate along with the crankshaft, so as to drive the sealing sleeve to jack the sealing block, and meanwhile, the length of the extrusion rod can be adjusted by screwing the screw rod, so that the jacked amplitude of the sealing block can be adjusted, and the oxygen throughput of the air inlet pipe is changed;

2. a plurality of groups of air injection pipes are communicated with the bottom of the second air bin, so that air in the second air bin can be more uniformly sprayed out through the air injection pipes, and a more uniform blowing effect can be achieved on combustion;

3. all be provided with the valve on through the multiunit jet-propelled pipe, can be so that do not open completely in the combustion chamber, when the part burns and does work, do not just to the valve on the partial jet-propelled pipe of burning through closing, can be so that the air current only through just the jet-propelled pipe blowout to the burning part, and then can carry out more accurate blowing to the burning part.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic view of the structure of the present invention;

fig. 5 is a schematic top sectional view of the first gas bin of the present invention.

In the figure: 1. a first device bin; 2. a first gas bin; 3. a second gas bin; 4. a gas ejector tube; 5. a valve; 6. a gas delivery pipe; 7. an air inlet; 8. a second device bin; 9. a motor; 10. a crankshaft; 11. a first bevel gear; 12. a loop bar; 13. a piston; 14. an air inlet pipe; 15. a fixed block; 16. a first spring; 17. A sealing block; 18. a rotating shaft; 19. a second bevel gear; 20. sealing sleeves; 21. a screw; 22. an extrusion stem; 23. a second spring; 24. a partition plate; 25. a one-way sealing plug; 26. a third spring; 27. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a blast air supply device for a natural gas boiler comprises a first device bin 1, a first air bin 2 and a second device bin 8, wherein the first air bin 2 is fixed at the top of the first device bin 1, the second air bin 3 is installed at the middle position of the top inside the first device bin 1, the bottom of the second air bin 3 is communicated with an air injection pipe 4 penetrating through the first device bin 1, and a valve 5 is arranged on the outer side of the air injection pipe 4, so that air in the second air bin 3 can be sprayed out through a plurality of groups of air injection pipes 4, air supply is more uniform, and the auxiliary combustion effect of the air supply device is ensured;

one side of the bottom of the first device bin 1 is communicated with a gas conveying pipe 6, one end of the gas conveying pipe 6, which is far away from the first gas bin 2, is communicated with the second gas bin 3, the top of one side of the first gas bin 2, which is close to the gas conveying pipe 6, is provided with a gas inlet 7, one side of the top of the first gas bin 2, which is far away from the gas inlet 7, is fixed with the second device bin 8, the top of the second device bin 8 is provided with a motor 9, the model of the motor 9 can be DA22422, the output end of the motor 9 is connected with a crankshaft 10 which penetrates through the first gas bin 2, the outer side of the crankshaft 10, which is close to the top end, is sleeved with a first bevel gear 11, the outer side of the crankshaft 10, which is close to the bottom end, is sleeved with a loop bar 12, one end of the loop bar 12, which is far away from the crankshaft 10, is hinged with a piston 13, the loop bar 12 and, the piston 13 is driven to continuously slide in the first air bin 2 in a reciprocating manner, when the piston 13 slides in a direction far away from the air inlet 7, negative pressure can be formed in the first air bin 2, and when the piston 13 slides in a direction close to the air inlet 7, air in the first air bin 2 can be extruded;

an air inlet pipe 14 is communicated with one side, far away from the second device bin 8, of the top of the first air bin 2, fixed blocks 15 are fixed on two sides of the interior of the air inlet pipe 14, a first spring 16 is installed inside the fixed block 15, and a sealing block 17 is arranged at the top end of the first spring 16, so that when the sealing block 17 does not have pressure from the bottom, the sealing block 17 can be tightly attached to the fixed block 15, the air inlet pipe 14 is in a sealing state, when the sealing block 17 is extruded from the lower side, the sealing block 17 can be removed from being tightly attached to the fixed block 15, the air inlet pipe 14 is in an opening state, and oxygen can enter the first air bin 2 through the air inlet pipe 14;

a rotating shaft 18 extending to the second device bin 8 penetrates through one side of the air inlet pipe 14, which is far away from the air inlet 7, and a second bevel gear 19 is fixed at one end of the rotating shaft 18, which is close to the second device bin 8, so that when the crankshaft 10 is driven by the motor 9 to rotate, the rotating shaft 18 can rotate along with the rotating shaft;

the outer side of one end of the rotating shaft 18 close to the air inlet 7 is sleeved with a sealing sleeve 20, one side of the rotating shaft 18 far away from the second device bin 8 penetrates a screw 21, the top of the inside of the rotating shaft 18 penetrates a squeezing rod 22, a second spring 23 is connected between the squeezing rod 22 and the rotating shaft 18, a partition plate 24 is fixed at the middle position of one side of the inside of the first air bin 2 close to the air inlet 7, one-way sealing plugs 25 are mounted at the top and the bottom of the partition plate 24, a third spring 26 is connected between the one-way sealing plugs 25 and the partition plate 24, a limiting block 27 is fixed on the partition plate 24 at one side of the one-way sealing plugs 25 far away from the third spring 26, the screw 21 and the rotating shaft 18 are in threaded connection, the squeezing rod 22 and the rotating shaft 18 form a relative sliding structure, one end of the squeezing rod 22 close to the screw 21 is set to be a, further, the length of the extrusion rod 22 extending from the rotating shaft 18 can be changed, so that the jacking amplitude of the extrusion rod 22 to the sealing block 17 can be changed when the rotating shaft 18 rotates, and an operator can conveniently adjust the oxygen amount passing through the air inlet pipe 14.

The working principle is as follows: when the air blowing and supplying device for the natural gas boiler is used, the device is powered on, one end of the air inlet pipe 14, which is far away from the first air bin 2, is communicated with an oxygen tank, when air blowing and supplying are needed, the control motor 9 drives the crankshaft 10 to rotate, the bent part of the crankshaft 10 can drive the sleeve rod 12 to do circular motion continuously through the rotating connection of the sleeve rod 12 and the crankshaft 10, the piston 13 is connected with the first air bin 2 in a sliding manner through the hinging of the sleeve rod 12 and the piston 13, so that the piston 13 can move back and forth in the first air bin 2 continuously, when the piston 13 slides in a direction far away from the air inlet 7, negative pressure is formed inside the first air bin 2, at the moment, the one-way sealing plug 25 at the top of the partition plate 24 is not limited by the limiting block 27, the rotation is opened, the one-way sealing plug 25 at the bottom of the partition plate 24 is limited by the corresponding limiting block 27 and is in a closed state, so that, meanwhile, the rotating shaft 18 can rotate along with the second bevel gear 19 and the first bevel gear 11 through the meshed connection, at the moment, the rotating shaft 18 just drives the extrusion rod 22 to rotate to the position for extruding the sealing block 17, through the elasticity of the first spring 16, the pressing rod 22 can lift the sealing block 17 to a certain extent, thereby communicating the air inlet pipe 14 with the oxygen tank, further enabling the oxygen in the oxygen tank to flow into the first air bin 2, the screw 21 is screwed after the sealing sleeve 20 is taken off through the threaded connection of the screw 21 and the rotating shaft 18, the inclined edge of the pressing rod 22 can be pressed, and through the sliding connection of the pressing rod 22 and the rotating shaft 18, and the elasticity of the second spring 23, so that the pressing rod 22 can change the extending length relative to the rotating shaft 18, the jacking amplitude of the sealing block 17 by the extrusion rod 22 can be further changed, so that the oxygen quantity entering the first gas cabin 2 can be conveniently adjusted by an operator;

when the piston 13 slides towards the direction close to the air inlet 7, the piston 13 extrudes the air in the first air chamber 2, at the moment, the one-way sealing plug 25 at the top of the partition plate 24 is limited by the corresponding limiting block 27 and is in closed rotation, the one-way sealing plug 25 at the bottom of the partition plate 24 is not opened by the limiting rotation of the corresponding limiting block 27, so that the air in the first air chamber 2 enters the second air chamber 3 through the air pipe 6, the air in the second air chamber 3 is ejected to the combustion chamber through the plurality of groups of air ejecting pipes 4, so that the blowing is more uniform, when the combustion chamber is opened to a smaller extent, and the combustion area is smaller, the air can be ejected only through the air ejecting pipe 4 aligned to the combustion part by closing the valve 5 not aligned to the air ejecting pipe 4 aligned to the combustion part, so that the combustion part can be more accurately blown, and the ejection interval of the air can be adjusted by controlling the rotation speed of the motor 9, and the air supply device is suitable for various air supply requirements.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A blast blower for natural gas boilers, comprising a first device bin (1), a first gas bin (2) and a second device bin (8), characterized in that: a first air bin (2) is fixed at the top of the first device bin (1), a second air bin (3) is installed in the middle position of the top inside the first device bin (1), one side of the bottom of the first device bin (1) is communicated with an air pipe (6), one end, away from the first air bin (2), of the air pipe (6) is communicated with the second air bin (3), an air inlet (7) is formed in the top, close to one side of the air pipe (6), of the first air bin (2), a second device bin (8) is fixed on one side, away from the air inlet (7), of the top of the first air bin (2), a motor (9) is installed at the top of the second device bin (8), the output end of the motor (9) is connected with a crankshaft (10) penetrating through the first air bin (2), a first bevel gear (11) is sleeved on the outer side, close to the top, of the crankshaft (10), of the top, of the first air bin (2) is communicated with the second device bin (8) through an air inlet pipe (14), the air inlet (7) is characterized in that a partition plate (24) is fixed at the middle position close to one side of the air inlet (7) inside the first air bin (2), a one-way sealing plug (25) is installed at the top and the bottom of the partition plate (24), a third spring (26) is connected between the one-way sealing plug (25) and the partition plate (24), and a limiting block (27) is fixed on the partition plate (24) far away from one side of the third spring (26) through the one-way sealing plug (25).

2. A forced air blowing apparatus for a natural gas boiler according to claim 1, characterized in that: the bottom of the second air bin (3) is communicated with an air injection pipe (4) penetrating through the first device bin (1), and a valve (5) is arranged on the outer side of the air injection pipe (4).

3. A forced air blowing apparatus for a natural gas boiler according to claim 1, characterized in that: the outer side of the crankshaft (10) close to the bottom end is sleeved with a loop bar (12), and one end, far away from the crankshaft (10), of the loop bar (12) is hinged with a piston (13).

4. A forced air blowing apparatus for a natural gas boiler according to claim 1, characterized in that: the inside both sides of intake pipe (14) all are fixed with fixed block (15), the internally mounted of fixed block (15) has first spring (16), and the top of first spring (16) is provided with sealing block (17).

5. A forced air blowing apparatus for a natural gas boiler according to claim 1, characterized in that: one side of the air inlet pipe (14) far away from the air inlet (7) is penetrated with a rotating shaft (18) extending to the second device bin (8), and one end of the rotating shaft (18) near the second device bin (8) is fixed with a second bevel gear (19).

6. A forced air blowing apparatus for a natural gas boiler according to claim 5, characterized in that: the outer side of one end, close to the air inlet (7), of the rotating shaft (18) is sleeved with a sealing sleeve (20), a screw rod (21) penetrates through one side, far away from the second device bin (8), of the inside of the rotating shaft (18), an extrusion rod (22) penetrates through the top of the inside of the rotating shaft (18), and a second spring (23) is connected between the extrusion rod (22) and the rotating shaft (18).