CN210267289U - Novel exhaust device for soot blowing by acetylene detonation method - Google Patents

Abstract

The utility model provides a novel acetylene detonation method blows exhaust of ash usefulness, including blast pipe, exhaust return bend and breathing return bend, breathing the return bend and include horizontal part and vertical part, the top of vertical part is provided with the exhaust rising head, is provided with the fly leaf on the horizontal part, and the fly leaf rotates through movable sleeve and loose axle to be connected on the respiratory tube, and the one end and the exhaust rising head cooperation of fly leaf are provided with the gag lever post that is used for restricting the U-shaped of fly leaf corner on breathing the return bend, are provided with the backup pad that is used for improving structural strength's I shape on the fly leaf. The utility model provides a rotation can be accomplished by oneself under the circumstances that the alternative appearance of high pressure and negative pressure in the blast pipe to the fly leaf, can release gas also can block gas, effective improve equipment's operating efficiency, and the fly leaf that this device provided has intensity height moreover, long service life, characteristics such as cooperation performance is good, reasonable in design is fit for extensive popularization.

Description

Novel exhaust device for soot blowing by acetylene detonation method

Technical Field

The utility model belongs to the technical field of biomass power generation equipment, especially, relate to a novel acetylene detonation method blows exhaust of ash usefulness.

Background

The generator set is often stopped and stopped due to the fact that the primary air preheater and the secondary air preheater are seriously corroded and leaked. Particularly, in winter or rainy season, the biomass boiler is influenced by factors of fuel entering the boiler, and the conditions of water carrying of flue gas, large flue gas amount, low exhaust gas temperature and the like occur in the operation process. Along with the increase of the operation time, the dust deposition at the tail part of the flue is more serious, and meanwhile, in order to ensure the negative pressure of a hearth and improve the efficiency of the boiler, the induced air quantity needs to be improved, the plant power rate is increased, and various production indexes are not optimistic. Through carrying out acetylene detonation to boiler high low temperature air heater and blowing the soot and reform transform the back, discover that the steam release valve of its generator blending tank bottom is in the open mode all the time, and at unit operation in-process, the exhaust pipe of jar body bottom is in negative pressure state always, because the blending tank is more, air heater can inhale a large amount of cold air, this can produce certain influence to maintaining boiler negative pressure, if carry out the shutoff to the exhaust pipe, the cold air of jar internal suction can't discharge through the water that the cooling condenses into, the security of the jar body when influencing gas detonation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that the blast pipe that above-mentioned acetylene detonation method blown the ash exists, provide a reasonable in design, simple structure can be according to the port atmospheric pressure open and close by oneself a novel acetylene detonation method blows the exhaust apparatus that the ash was used.

In order to achieve the above object, the present invention adopts the technical solution that the novel exhaust device for blowing soot by acetylene deflagration method comprises an exhaust pipe, the tail part of the exhaust pipe is provided with an exhaust elbow, one side of the exhaust elbow is provided with a breathing elbow, the breathing elbow comprises a horizontal part and a vertical part, the top of the vertical part is provided with an exhaust riser, the horizontal part is provided with a movable plate, the movable plate comprises a first movable part, a transition part and a second movable part which are integrally connected end to end, the transition part is arc-shaped and makes the plane where the first movable part and the second movable part are located intersect, the inner side of the transition part is fixedly provided with a movable sleeve, the movable sleeve is internally provided with a movable shaft, two ends of the movable shaft are provided with connecting bent rods fixed at two sides of the breathing elbow, one end of the first movable part, which is far away from the transition part, is matched with the exhaust riser, the one end of keeping away from the transition portion on the second movable part is provided with spacing wing, be provided with the gag lever post that is used for restricting the U-shaped of second movable part turned angle on the breathing return bend, be provided with the backup pad of I shape between first movable part and the second movable part.

Preferably, the top surface of the degassing riser is a cambered surface and intersects the central axis of the vertical part at an acute angle.

Preferably, an arc-shaped wing matched with the exhaust riser is arranged at one end, far away from the transition part, of the first movable part.

Preferably, the breathing bent pipe is provided with connecting plates for fixedly connecting the bent rod and the limiting rod on two sides.

Preferably, the limiting rod is provided with a damping sleeve.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model provides a pair of novel acetylene detonation method blows exhaust of ash usefulness, the rotation of fly leaf can be realized by high pressure and negative pressure effect in the blast pipe, high pressure in the blast pipe can drive first movable part and leave exhaust rising head release gas and condensate, and negative pressure in the blast pipe can make the exhaust rising head hold first fly leaf and shutoff steam vent in time, can effectively improve equipment's operating efficiency like this, and the intensity of the fly leaf structure that this device provided is higher, long service life, the cooperation can be good, reasonable in design and with low costs, be fit for extensive popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a front view of a novel exhaust device for acetylene detonation method soot blowing provided by an embodiment;

FIG. 2 is an isometric view of a novel exhaust for acetylene deflagration soot blowing provided by an embodiment;

in the above figures, 1, exhaust pipe; 2. an exhaust elbow; 3. a breathing bend; 31. a horizontal portion; 32. A vertical portion; 4. an exhaust riser; 5. a movable plate; 51. a first movable portion; 511. an arc-shaped wing; 52. a transition section; 53. a second movable portion; 531. limiting the side wings; 6. a movable sleeve; 7. connecting the bent rod; 8. A limiting rod; 9. a support plate; 10. a shock-absorbing sleeve; 11. a connecting plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1 and fig. 2, the utility model provides a novel exhaust apparatus for soot blowing by acetylene detonation method, including blast pipe 1, the afterbody of blast pipe 1 is provided with exhaust elbow 2, and blast pipe 1 and exhaust elbow 2 are prior art. On this basis, the utility model discloses increased the structure of breathing return bend 3 on exhaust return bend 2, be provided with the effectual structure that prevents the cold air admission blast pipe moreover on breathing return bend 3.

Specifically, the utility model discloses be provided with breathing return bend 3 in one side of exhaust return bend 2, breathing return bend 3 includes horizontal part 31 and vertical part 32, and the top of vertical part 32 is provided with exhaust riser 4, and the diameter of exhaust riser 4 slightly is greater than the pipe diameter of vertical part 32 in order to reduce the bore ratio at exhaust return bend terminal; the horizontal part 31 is provided with a movable plate 5, the movable plate 5 comprises a first movable part 51, a transition part 52 and a second movable part 53 which are integrally connected end to end, the transition part 52 is arc-shaped and enables the first movable part 51 and the second movable part 53 to be located on a plane, the inner side of the transition part 52 is fixedly provided with a movable sleeve 6, and a movable shaft (not shown in the figure) is arranged in the movable sleeve 6; that is, the movable plate 5 is shaped as a plate having bent corners, and the movable shaft serves as a hinge shaft of the movable plate to facilitate the rotation of the movable plate thereabout. It should be noted that the movable sleeve and the movable plate are connected in a welding manner, so that the movable sleeve and the movable plate have high integration performance.

Furthermore, two ends of the movable shaft are provided with connecting bent rods 7 fixed on two sides of the breathing bent pipe, one end of the first movable part 51, which is far away from the transition part, is matched with the exhaust riser 4, one end of the second movable part 53, which is far away from the transition part, is provided with a limiting wing 531, and the breathing bent pipe 3 is provided with a U-shaped limiting rod 8 for limiting the rotation angle of the second movable part 53, so that when mixed gas is deflagrated, the internal air pressure of the exhaust pipe 1 is increased to enable the movable plate 5 to rotate for a certain angle, the first movable part 51 is far away from the exhaust riser 4 to enable gas products to be discharged, condensed water accumulated in the generator tank body can be timely discharged, excessive steam cannot be accumulated, and the limiting wing 531 abuts against one side of the limiting rod to prevent the movable plate from rotating excessively, and the effect of safety; when the internal pressure of the exhaust pipe is reduced, the negative pressure and the weight of the movable plate are used to bring one end of the first movable portion 51 into contact with the exhaust riser 4 to block the gas from entering the exhaust pipe 1.

In order to improve the structural strength of fly leaf, the utility model discloses be provided with the backup pad 9 of I shape between first movable part 51 and second movable part 53, the two of backup pad 9 and first movable part and the face-to-face contact of second movable part prevent that deflagration process from making its structure receive serious destruction, and then effectively prolong the life of fly leaf 5.

In order to improve first movable part 51 and the 4 complex leakproofness of exhaust rising head, the utility model provides a top surface of exhaust rising head 4 is the cambered surface and intersects the acute angle mutually with the axis of vertical part 32, simultaneously, the one end of keeping away from transition portion 51 at first movable part is provided with exhaust rising head complex arc wing 511, improves sealing performance through the area of contact who increases first movable part and exhaust rising head, and the cambered surface cooperation has good buffer effect moreover, can effectively avoid the impact injury.

In order to improve the stability of connecting knee 7 and gag lever post 8 and connecting on breathing the return bend, the utility model discloses be provided with the connecting plate 11 that is used for fixed connection knee and gag lever post in breathing the both sides of return bend 3, the face of connecting plate 11 levels, can fix the tip of connecting the tip of knee 7 and gag lever post 8 through the screw hole of seting up a certain quantity moreover to make fly leaf 5 can full play self motor-driven advantage.

In order to reduce the impact wear of limiting side wing 531 and limiting rod 8, the utility model discloses be provided with damping sleeve 10 on limiting rod 8 and be used for buffering impact vibration. It should be noted that the height of the limiting rod 8 needs to be designed according to the rotation angle of the movable plate 5 and the height of the vertical portion 32, so that the limiting wings can perform the function of safety limiting.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (5)

1. An exhaust device for blowing soot by a novel acetylene detonation method comprises an exhaust pipe, wherein an exhaust bent pipe is arranged at the tail part of the exhaust pipe, and the exhaust bent pipe is characterized in that a breathing bent pipe is arranged on one side of the exhaust bent pipe and comprises a horizontal part and a vertical part, an exhaust riser is arranged at the top of the vertical part, a movable plate is arranged on the horizontal part and comprises a first movable part, a transition part and a second movable part which are integrally connected end to end, the transition part is arc-shaped, the plane where the first movable part and the second movable part are located is crossed, a movable sleeve is fixedly arranged on the inner side of the transition part, a movable shaft is arranged inside the movable sleeve, connecting bent rods fixed on two sides of the breathing bent pipe are arranged at two ends of the movable shaft, one end of the first movable part, far away from the transition part, is matched with the exhaust riser, and one end of the second movable part, far away from the transition part, the respiratory elbow is provided with a U-shaped limiting rod for limiting the rotation angle of the second movable part, and an I-shaped supporting plate is arranged between the first movable part and the second movable part.

2. The exhaust device for novel acetylene detonation method soot blowing according to claim 1, wherein the top surface of the exhaust riser is a cambered surface and intersects with the central axis of the vertical part at an acute angle.

3. The exhaust device for novel acetylene detonation method soot blowing according to claim 2, wherein one end of the first movable part, which is far away from the transition part, is provided with an arc-shaped wing matched with an exhaust riser.

4. The exhaust device for novel acetylene detonation method soot blowing according to claim 3, characterized in that connecting plates for fixedly connecting a bent rod and a limiting rod are arranged on two sides of the breathing bent pipe.

5. The novel exhaust device for acetylene detonation method soot blowing according to claim 4, characterized in that a damping sleeve is arranged on the limiting rod.

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