CN212805686U

CN212805686U - Boiler soot blowing device

Info

Publication number: CN212805686U
Application number: CN202021848902.8U
Authority: CN
Inventors: 吴晓亮
Original assignee: Dezhou Hongri New Energy Technology Co ltd
Current assignee: Dezhou Hongri New Energy Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-26
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a device is used to boiler soot blowing relates to and blows grey technical field, including the shock tube, the one end intercommunication of shock tube is provided with the combustion box, and the fixed division board that is provided with in inner wall middle part of combustion box to the inboard space of combustion box is provided with the burning chamber respectively through the division board and stores the chamber, and the inboard in burning chamber is provided with the forcing pipe through the connecting rod is fixed, and the fixed buffer tube that is provided with of one end that the burning chamber was kept away from to the forcing pipe. This device is used to boiler soot blowing, through reset block, release link, reset spring and piston, can realize the make full use of to the shock wave, avoided pressurizeing once more to titanium dioxide solution, improve titanium dioxide solution's spraying degree of consistency, this device is used to boiler soot blowing, through guide plate, diffluence orifice and shock tube, can further utilize the shock wave to improve titanium dioxide solution's spraying scope, avoid personnel to adjust the position of spraying once more, further improved the use convenience of this device is used to boiler soot blowing.

Description

Boiler soot blowing device

Technical Field

The utility model relates to a blow grey technical field, specifically be a boiler blows device for ash.

Background

In the operation process of the boiler using the solid fuel, the measures of periodically blowing off the soot on the heating surface to improve the heat transfer efficiency and keep the original output of the boiler are taken, the soot blowing modes comprise three modes of compressed air soot blowing, steam soot blowing and chemical soot blowing, the soot blowing of the boiler aims to prevent the soot on the heating surface, generally, the soot blowing frequency is determined by the ash content of coal, or the temperature is controlled according to the outlet smoke temperature of the air preheater, the rise of the exhaust smoke temperature shows that more fly ash is deposited on the convection heating surface, soot blowing is needed, the discharge amount of carbon monoxide can also be used as an auxiliary criterion for soot blowing, particularly, when coal with poor activity is burned, the carbon-containing fly ash can be gasified on the wall of the pipe in situ by the deposited soot, thus, in order to increase carbon monoxide, operators must be familiar with the coal type characteristics and compare the soot blowing cost with the increase in boiler efficiency after soot blowing, sometimes with a frequency of up to once per shift, sometimes once per week.

To the soot blowing of large-scale boiler, often two kinds of combination use are blown to shock wave soot and steam soot, the high efficiency that uses the shock wave soot blowing, consequently often handle the adhesion dust on the boiler in advance, but the steam soot blowing of following adoption often can't make the dust drop fast, the dust that has even can further adhere to on the combustion face after being stained with water, consequently need blow the ash in the shock wave, carry out preliminary coating film to the combustion face, but need additionally pressurize the used titanium dioxide solution of coating film and spout, ware environmental protection performance and convenience are relatively poor, secondly because the restriction of pressure, the spraying range that has led to titanium dioxide solution is limited, the problem of the user of making need frequently change the spraying position, the practicality of use is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for soot blowing of boiler, through reset block, release link, reset spring and piston, can realize the make full use of to the shock wave, avoided pressurizeing once more to titanium dioxide solution, improve titanium dioxide solution's the spraying degree of consistency, through guide plate, diffluence hole and shock tube, can further utilize the shock wave to improve titanium dioxide solution's spraying scope, avoid personnel to adjust the position of spraying once more, further improved the use convenience of this device for soot blowing of boiler.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a device for blowing soot by a boiler comprises a shock tube, wherein one end of the shock tube is communicated with a combustion box, a partition plate is fixedly arranged in the middle of the inner wall of the combustion box, a combustion chamber and a storage chamber are respectively arranged in the inner space of the combustion box through the partition plate, a pressure tube is fixedly arranged in the inner side of the combustion chamber through a connecting rod, a buffer tube is fixedly arranged at one end of the pressure tube far away from the combustion chamber, a pressure chute is arranged in the center of the inner side of the buffer tube, a piston is slidably embedded in the inner side of the buffer tube through the pressure chute, a reset rod is fixedly arranged at one end of the piston, one end of the reset rod far away from the piston penetrates through the center of the outer wall of the buffer tube, a reset spring is sleeved on the outer wall of the reset rod, a reset block is fixedly arranged at one end of the, and the shock tube is provided with a guide plate extending outwards and close to the circumferential surface of the left side.

In order to improve the device's stability of working repeatedly, conduct the utility model relates to a boiler blows the ash and uses device optimization, reset spring's outer wall slides and inlays the inner wall department of locating the pressurization spout, reset spring's top is fixed to be set up in the inner wall left side department of forcing pipe.

In order to improve the device's spraying pressure, as the utility model relates to a boiler blows the ash and uses device preferred, the inboard center department of forcing pipe has seted up concentrated chamber, the air guide groove has been seted up to the inboard of buffer tube, and the one end downwardly extending intercommunication in air guide groove sets up in one side department in concentrated chamber.

In order to improve the device's shock wave conduction stability, conduct the utility model relates to a boiler blows the ash and uses device preferred, the fixed pipe that concentrates that is provided with of inner wall of shock tube, and the inner wall of concentrating the pipe inlays the one end department of locating the forcing pipe to concentrate the outside sunken setting of one side inner wall that the pipe kept away from the combustion box.

In order to improve the shock wave of the device and produce stability, as the utility model relates to a boiler blows the ash and uses the device preferred, one side in combustion chamber is provided with two conveyer pipes through the baffle intercommunication, and the one end intercommunication of one of them conveyer pipe sets up in outside acetylene feeding device to the one end intercommunication of another conveyer pipe sets up in outside oxidant feeding device.

In order to improve the device's spraying effect, as the utility model relates to a boiler blows the ash and uses device preferred, the one end in concentrated chamber is passed through the pipeline intercommunication and is set up in storing the chamber, and is provided with a plurality of spraying guns, a plurality of through the hose intercommunication in outer wall one side of storing the chamber the outer wall one side of spraying gun is fixed to be set up in the outer wall department of shock tube, and is a plurality of the spraying gun is the ring form setting.

The utility model provides a boiler blows device for ash. The method has the following beneficial effects:

(1) this device is used to boiler soot blowing, through reset block, release link, reset spring and piston, can realize the make full use of shock wave, avoided pressurizeing once more to titanium dioxide solution, improve titanium dioxide solution's spraying degree of consistency.

(2) This device for boiler soot blowing through guide plate, diffluence orifice and shock tube, can further utilize the shock to improve the spraying scope of titanium dioxide solution, avoids personnel to adjust the position of spraying once more, has further improved the use convenience of this device for boiler soot blowing.

Drawings

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

fig. 2 is a side view of the present invention;

fig. 3 is a cross-sectional view of a buffer tube of the present invention.

In the figure: 1. a shock tube; 2. a combustion box; 3. a storage chamber; 4. a delivery pipe; 5. a partition plate; 6. a combustion chamber; 7. a pressurizing pipe; 8. a buffer tube; 9. a shunt hole; 10. a baffle; 11. a reset block; 12. a concentration pipe; 13. a spray gun; 14. a return spring; 15. a gas guide groove; 16. a concentration chamber; 17. a pressurizing chute; 18. a reset lever; 19. a piston.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a boiler soot blowing device comprises a shock tube 1, wherein one end of the shock tube 1 is communicated with a combustion box 2, a partition plate 5 is fixedly arranged in the middle of the inner wall of the combustion box 2, a combustion chamber 6 and a storage chamber 3 are respectively arranged in the inner side space of the combustion box 2 through the partition plate 5, a pressure pipe 7 is fixedly arranged in the inner side of the combustion chamber 6 through a connecting rod, a buffer pipe 8 is fixedly arranged at one end of the pressure pipe 7 far away from the combustion chamber 6, a pressure chute 17 is arranged in the center of the inner side of the buffer pipe 8, a piston 19 is slidably embedded in the inner side of the buffer pipe 8 through the pressure chute 17, a reset rod 18 is fixedly arranged at one end of the piston 19, one end of the reset rod 18 far away from the piston 19 penetrates through the center of one side of the outer wall of the buffer pipe 8, a reset spring 14 is sleeved on the outer wall, the shock tube 1 is close to left circumferential surface and has all seted up a plurality of reposition of redundant personnel holes 9, and shock tube 1 is close to left circumferential surface and outwards extends and be provided with guide plate 10.

In this embodiment: the combustion box 2 can be separated by the partition plate 5, acetylene and curing agent are mixed according to a certain proportion by the combustion chamber 6, then deflagration is realized by the ignition device, so that the combustion chamber 6 generates shock wave, and the storage chamber 3, can store a large amount of titanium dioxide solution, can realize the primary spraying of the combustion surface at the bottom of the boiler, avoids the problem of the reduction of the working efficiency caused by the secondary manual spraying, and has the advantages that through the piston 19, the reset spring 14, the reset rod 18 and the reset block 11, the pressure generated by the shock wave can be utilized to further realize the pressurization of the storage cavity 3, the driving of the spraying gun 13 is realized, the spraying and the attachment to the bottom of the boiler are finally realized while the dust removal is realized, and the dust is removed by the spraying and the attachment to the bottom of the boiler through the diversion holes 9 and the guide plate 10, the shock wave can be further utilized, the titanium dioxide solution can be further uniformly sprayed, and the spraying range is improved.

Specifically, the outer wall of the return spring 14 is slidably fitted to the inner wall of the pressurizing chute 17, and the top end of the return spring 14 is fixedly disposed at the left side of the inner wall of the pressurizing pipe 7.

In this embodiment: by means of the return spring 14, a quick return of the return arm 18 is possible, ready for the next spraying.

Specifically, a concentration cavity 16 is formed in the center of the inner side of the pressurization pipe 7, an air guide groove 15 is formed in the inner side of the buffer pipe 8, and one end of the air guide groove 15 extends downwards to be communicated with one side of the concentration cavity 16.

In this embodiment: through the gas guide groove 15 and the concentration cavity 16, stable concentration of gas compressed by the piston 19 can be realized, and stable pressurization of the storage cavity 3 can be realized.

Specifically, the inner wall of the shock tube 1 is fixedly provided with a concentration tube 12, the inner wall of the concentration tube 12 is embedded at one end of the pressurization tube 7, and the inner wall of one side of the concentration tube 12 away from the combustion box 2 is recessed outwards.

In this embodiment: by means of the concentration pipe 12, a stable conduction of the shock wave can be achieved.

Specifically, two delivery pipes 4 are arranged on one side of the combustion chamber 6 in a communication manner through a partition plate, one end of one delivery pipe 4 is arranged in an external acetylene supply device in a communication manner, and one end of the other delivery pipe 4 is arranged in an external oxidant supply device in a communication manner.

In this embodiment: through the delivery pipe 4, the acetylene and the oxidant can be delivered by mixed detonation according to the proportion.

Specifically, the one end of concentrated chamber 16 is passed through the pipeline intercommunication and is set up in storing chamber 3, and the outer wall one side of storing chamber 3 is provided with a plurality of spray guns 13 through the hose intercommunication, and the outer wall one side of a plurality of spray guns 13 is fixed to be set up in shock tube 1's outer wall department, and a plurality of spray guns 13 are the ring form setting.

In this embodiment: by the spray gun 13, stable and uniform spraying of the titanium dioxide solution can be achieved.

When in use, acetylene and an oxidant are injected into the combustion chamber 6 through the delivery pipe 4, then the acetylene mixture is detonated through the ignition device, and further pulse shock waves are generated, the shock waves are sufficiently conducted through the concentration pipe 12 and the shock tube 1, when the shock waves pass through the shock tube 1, the reset block 11 is driven to move to the left, then the reset rod 18 and the piston 19 are driven to move to the left, finally, gas inside the pressurizing sliding chute 17 is compressed, and the gas is delivered to the inner side of the storage chamber 3 through the gas guide groove 15 and the concentration chamber 16, so that the titanium dioxide solution stored in the inner side of the storage chamber 3 passes through the spraying gun 13 to spray the combustion surface of the boiler, and further pressurization of the titanium dioxide solution is realized through the diversion holes 9 and the diversion plates 10, the spraying uniformity of the titanium dioxide solution is improved, and the titanium dioxide has hydrophobic property, so that dust and water are prevented from being attached to the surface, the cleanliness is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a device for soot blowing of boiler, includes shock tube (1), its characterized in that: the shock tube is characterized in that one end of the shock tube (1) is communicated with a combustion box (2), a partition plate (5) is fixedly arranged in the middle of the inner wall of the combustion box (2), a combustion chamber (6) and a storage chamber (3) are respectively arranged in the inner side space of the combustion box (2) through the partition plate (5), a pressure pipe (7) is fixedly arranged in the inner side of the combustion chamber (6) through a connecting rod, a buffer pipe (8) is fixedly arranged at one end, far away from the combustion chamber (6), of the pressure pipe (7), a pressure sliding chute (17) is formed in the center of the inner side of the buffer pipe (8), a piston (19) is slidably embedded in the inner side of the buffer pipe (8) through the pressure sliding chute (17), a reset rod (18) is fixedly arranged at one end of the piston (19) and the reset rod (18) is far away from the center of, and the outer wall cover of release link (18) is equipped with reset spring (14), the one end that piston (19) were kept away from in release link (18) is fixed to be provided with reset block (11), shock tube (1) are close to left circumferential surface and have all seted up a plurality of reposition of redundant personnel holes (9), shock tube (1) are close to left circumferential surface and outwards extend and are provided with guide plate (10).

2. The apparatus for blowing soot of a boiler as claimed in claim 1, wherein: the outer wall of the reset spring (14) is slidably embedded in the inner wall of the pressurizing sliding groove (17), and the top end of the reset spring (14) is fixedly arranged on the left side of the inner wall of the pressurizing pipe (7).

3. The apparatus for blowing soot of a boiler as claimed in claim 1, wherein: the inboard center department of forcing pipe (7) has seted up concentrated chamber (16), air guide groove (15) have been seted up to the inboard of buffer tube (8), and the one end downwardly extending intercommunication in air guide groove (15) sets up in one side department of concentrated chamber (16).

4. The apparatus for blowing soot of a boiler as claimed in claim 1, wherein: the inner wall of shock tube (1) is fixed and is provided with concentration pipe (12), and the inner wall of concentration pipe (12) inlays and locates the one end department that adds forcing pipe (7) to one side inner wall that concentration pipe (12) kept away from burning case (2) is outwards sunken to be set up.

5. The apparatus for blowing soot of a boiler as claimed in claim 1, wherein: one side of the combustion cavity (6) is provided with two conveying pipes (4) through a partition plate in a communicating mode, one end of one conveying pipe (4) is communicated with and arranged on an external acetylene supply device, and one end of the other conveying pipe (4) is communicated with and arranged on an external oxidant supply device.

6. A boiler soot blowing device as defined in claim 3, wherein: the one end of concentrated chamber (16) is passed through the pipeline intercommunication and is set up in storing chamber (3), and stores outer wall one side of chamber (3) and be provided with a plurality of spray guns (13) through the hose intercommunication, and is a plurality of the outer wall one side of spray guns (13) is fixed to be set up in the outer wall department of shock tube (1), and is a plurality of spray guns (13) are the ring form setting.