CN211526456U - Automatic smoke return prevention device for boiler waste gas treatment - Google Patents
Automatic smoke return prevention device for boiler waste gas treatment Download PDFInfo
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- CN211526456U CN211526456U CN201922197258.6U CN201922197258U CN211526456U CN 211526456 U CN211526456 U CN 211526456U CN 201922197258 U CN201922197258 U CN 201922197258U CN 211526456 U CN211526456 U CN 211526456U
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Abstract
The utility model discloses an automatic smoke back prevention device for boiler exhaust-gas treatment in exhaust-gas treatment technical field, including siphunculus and box, the box intercommunication sets up in the middle part of siphunculus, the fluting has been seted up to the lateral wall around the inner chamber of box, the top and the bottom of box rotate respectively and are connected with overhead gage and lower baffle, the seal groove has all been seted up to one side that overhead gage and lower baffle are close to each other, both sides all are located the fluting around overhead gage and the lower baffle, the inner chamber top and the bottom of box rigid coupling have last cardboard and lower cardboard respectively, the inner chamber top and the bottom of box are connected respectively and are provided with first spring and second spring, the inboard of seal groove, the both sides rigid coupling of overhead gage and lower baffle has the sealing strip, the length of going up the cardboard is. The utility model avoids the smoke return of the waste gas and is convenient for automatic defense control; the sealing groove is accurately reset, the stability and the accuracy of the device are improved, the sealing performance of the device is improved, and the wide application is facilitated.
Description
Technical Field
The utility model relates to a waste gas treatment technical field specifically is an automatic smoke return prevention device for boiler exhaust-gas treatment.
Background
Along with the development of society, the emission amount of industrial waste gas is increasing day by day, if industrial enterprises do not treat the waste gas and directly discharge the waste gas to the atmosphere, the content of toxic and harmful substances and fine particulate matters in the air is increased, the air is polluted, and the human health is influenced, so that the control of the emission amount of the waste gas on the environmental pollution becomes one of the environmental problems which need to be solved urgently in the current society.
In the prior art, the waste gas treatment is carried out on the dust removal, desulfurization and denitrification tower commonly used for the waste gas treatment of the boiler, the adopted method is that the waste gas of the boiler is directly introduced into the dust removal, desulfurization and denitrification tower through a pipeline, one boiler corresponds to one dust removal, desulfurization and denitrification tower, and for some large-scale boiler plants, a plurality of boilers are provided, and if each boiler corresponds to one dust removal, desulfurization and denitrification tower, the waste of energy and resources is caused. To these problems, there are some boiler plants and adopt a plurality of boilers to use a dust removal SOx/NOx control tower simultaneously to carry out exhaust-gas treatment, the pipeline that each boiler corresponds communicates with each other, for preventing that one of them boiler can not follow other pipeline back smoke to other boiler rooms when carrying waste gas to dust removal SOx/NOx control tower, the motorised valve has been adopted and has been controlled the lining up or sealing of pipeline, but adopt this kind of scheme can make when boiler exhaust waste gas, must open the motorised valve that corresponds, and when boiler stop work, then need close the motorised valve, prevent the flue gas backward flow. Although energy can be saved by adopting the method, the operation is troublesome, the electric valve is easy to damage, and the maintenance is difficult.
Based on this, the utility model designs an automatic smoke back prevention device for boiler exhaust-gas treatment to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic smoke back prevention device for boiler exhaust-gas treatment to solve the problem that although can the energy saving of proposing in the above-mentioned background art, troublesome poeration, this motorised valve damages easily, and maintains the difficulty.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic prevent back smoke device for boiler exhaust-gas treatment, includes siphunculus and box, the box intercommunication set up in the middle part of siphunculus, the fluting has been seted up to the lateral wall around the inner chamber of box, the top and the bottom of box rotate respectively and are connected with overhead gage and lower baffle, the overhead gage with the seal groove has all been seted up to one side that the baffle is close to each other down, the overhead gage with both sides all are located down around the baffle in the fluting, the inner chamber top and the bottom of box rigid coupling respectively have last cardboard and lower cardboard, the inner chamber top and the bottom of box are connected respectively and are provided with first spring and second spring.
Preferably, the sealing strips are fixedly connected to the inner side of the sealing groove, the upper baffle and the two sides of the lower baffle, so that the inner part is conveniently sealed.
Preferably, the length of the upper clamping plate is smaller than that of the lower clamping plate, the upper clamping plate and the lower clamping plate are respectively abutted to the upper baffle and the lower baffle, the upper clamping plate and the lower clamping plate are located on the same vertical surface, the upper baffle and the lower baffle are convenient to limit, and the waste gas transmission position is adjusted.
Preferably, the first spring and the second spring are fixedly connected to the upper baffle and the lower baffle respectively, and the distance between the upper fixed point and the lower fixed point is equal to that between the top and the bottom of the box body, so that the upper baffle and the lower baffle can be reset conveniently.
Preferably, the length of the first spring is smaller than that of the second spring, so that the elastic force exerted on the upper baffle is smaller than that exerted on the lower baffle, the rotating angle of the upper baffle is larger than that of the lower baffle, and the returning rotating speed of the upper baffle is smaller than that of the lower baffle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that the two groups of baffles are arranged and matched with the two groups of springs, thereby avoiding the return smoke of the waste gas and facilitating the automatic defense control;
2. through setting up the multiunit sealing strip, the length of going up the cardboard is less than the length of cardboard down, and first spring length is less than second spring length, makes the seal groove accurate that resets, improves device stability and accuracy nature, improves device leakproofness, the wide use of being convenient for.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-through pipe, 2-box, 3-slot, 4-upper baffle, 5-lower baffle, 6-sealing groove, 7-upper clamping plate, 8-lower clamping plate, 9-first spring, 10-second spring and 11-sealing strip.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automatic prevent back smoke device for boiler exhaust-gas treatment, including siphunculus 1 and box 2, box 2 intercommunication sets up in siphunculus 1's middle part, fluting 3 has been seted up to the lateral wall around the inner chamber of box 2, box 2's top and bottom rotate respectively and are connected with overhead gage 4 and lower baffle 5, the seal groove 6 has all been seted up to one side that overhead gage 4 and lower baffle 5 are close to each other, both sides all are located fluting 3 around overhead gage 4 and lower baffle 5, box 2's inner chamber top and bottom rigid coupling respectively have last cardboard 7 and lower cardboard 8, box 2's inner chamber top and bottom are connected respectively and are provided with first spring 9 and second spring 10.
Further, the sealing strips 11 are fixedly connected to the inner side of the sealing groove 6 and the two sides of the upper baffle 4 and the lower baffle 5, so that the inner part is conveniently sealed.
Further, the length of going up cardboard 7 is less than the length of cardboard 8 down, goes up cardboard 7 and cardboard 8 down and respectively with last baffle 4 and 5 looks butt of baffle down, and goes up cardboard 7 and be located same vertical face with lower cardboard 8, is convenient for carry on spacingly to last baffle 4 and lower baffle 5, and adjusts the exhaust gas transmission position.
Further, the first spring 9 and the second spring 10 are respectively and fixedly connected to the upper baffle 4 and the lower baffle 5, and the distance between the upper fixed point and the lower fixed point is equal to the distance between the top and the bottom of the box body 2, so that the upper baffle 4 and the lower baffle 5 can be conveniently reset.
Further, the length of the first spring 9 is smaller than that of the second spring 10, so that the elastic force applied to the upper baffle 4 is smaller than that applied to the lower baffle 5, the rotation angle of the upper baffle 4 is larger than that of the lower baffle 5, and the homing rotation speed of the upper baffle 4 is smaller than that of the lower baffle 5.
One specific application of this embodiment is: the utility model is suitable for preventing smoke back to waste gas, in particular to an automatic smoke back prevention device for treating boiler waste gas, when in use, the waste gas installs the device in the middle of a waste gas conveying pipe, the waste gas is input through the left side of a through pipe 1, the waste gas pushes an upper baffle 4 and a lower baffle 5 rightwards under the action of gas pressure, two groups of baffles rotate to open a box body 2, a first spring 9 and a second spring 10 are compressed, the length of the upper baffle 7 is smaller than that of the lower baffle 8, the stress area of the upper baffle 4 is larger than that of the lower baffle 5, the length of the first spring 9 is smaller than that of the second spring 10, the rotation angle of the upper baffle 4 is larger than that of the lower baffle 5, the opening directions of sealing grooves on the upper baffle 4 and the lower baffle 5 are shown in figure 2, the elasticity of the first spring 9 is smaller than that of the second spring 10, when the left side waste gas stops conveying, the atmospheric pressure of the inside both sides of box 2 is the same, because the effect of spring force, two sets of baffles reset, and the elasticity of first spring 9 is less than the elasticity of second spring 10, so the rotational speed that resets of baffle 4 is less than the rotational speed that resets of baffle 5 down, and baffle 5 resets earlier successfully down, and two sets of seal grooves 6 of being convenient for cooperate, and sealing strip 11 improves the leakproofness of baffle.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides an automatic smoke back prevention device for boiler exhaust-gas treatment, includes siphunculus (1) and box (2), its characterized in that: box (2) intercommunication set up in the middle part of siphunculus (1), fluting (3) have been seted up to the lateral wall around the inner chamber of box (2), the top and the bottom of box (2) rotate respectively and are connected with overhead gage (4) and lower baffle (5), overhead gage (4) with one side that baffle (5) are close to each other down has all seted up seal groove (6), overhead gage (4) with both sides all are located around baffle (5) in fluting (3), the inner chamber top and the bottom of box (2) rigid coupling respectively have last cardboard (7) and lower cardboard (8), the inner chamber top and the bottom of box (2) are connected respectively and are provided with first spring (9) and second spring (10).
2. An automatic anti-smoke device for boiler exhaust gas treatment according to claim 1, characterized in that: and sealing strips (11) are fixedly connected to the inner side of the sealing groove (6), the upper baffle (4) and the two sides of the lower baffle (5).
3. An automatic anti-smoke device for boiler exhaust gas treatment according to claim 1, characterized in that: the length of the upper clamping plate (7) is smaller than that of the lower clamping plate (8), the upper clamping plate (7) and the lower clamping plate (8) are respectively connected with the upper baffle (4) and the lower baffle (5) in a butting mode, and the upper clamping plate (7) and the lower clamping plate (8) are located on the same vertical surface.
4. An automatic anti-smoke device for boiler exhaust gas treatment according to claim 1, characterized in that: the first spring (9) and the second spring (10) are fixedly connected to the upper baffle (4) and the lower baffle (5) respectively, and the distances between the upper fixed point and the lower fixed point are equal to the distances between the top and the bottom of the box body (2).
5. An automatic anti-smoke device for boiler exhaust gas treatment according to claim 1, characterized in that: the length of the first spring (9) is smaller than the length of the second spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197258.6U CN211526456U (en) | 2019-12-10 | 2019-12-10 | Automatic smoke return prevention device for boiler waste gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197258.6U CN211526456U (en) | 2019-12-10 | 2019-12-10 | Automatic smoke return prevention device for boiler waste gas treatment |
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| Publication Number | Publication Date |
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| CN211526456U true CN211526456U (en) | 2020-09-18 |
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| CN201922197258.6U Active CN211526456U (en) | 2019-12-10 | 2019-12-10 | Automatic smoke return prevention device for boiler waste gas treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171681A (en) * | 2021-04-25 | 2021-07-27 | 浙江兰电环保集团有限公司 | Semi-dry FGD flue gas system based on double absorption towers |
| CN113171682A (en) * | 2021-04-25 | 2021-07-27 | 浙江兰电环保集团有限公司 | Semi-dry FGD flue gas system based on baffle door drop-out plugging |
| CN115035820A (en) * | 2022-07-08 | 2022-09-09 | 江苏徐淮地区淮阴农业科学研究所 | Intelligent display device for data files |
-
2019
- 2019-12-10 CN CN201922197258.6U patent/CN211526456U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171681A (en) * | 2021-04-25 | 2021-07-27 | 浙江兰电环保集团有限公司 | Semi-dry FGD flue gas system based on double absorption towers |
| CN113171682A (en) * | 2021-04-25 | 2021-07-27 | 浙江兰电环保集团有限公司 | Semi-dry FGD flue gas system based on baffle door drop-out plugging |
| CN113171681B (en) * | 2021-04-25 | 2022-03-18 | 浙江兰电环保集团有限公司 | Semi-dry FGD flue gas system based on double absorption towers |
| CN113171682B (en) * | 2021-04-25 | 2022-03-18 | 浙江兰电环保集团有限公司 | Semi-dry FGD flue gas system based on baffle door drop-out plugging |
| CN115035820A (en) * | 2022-07-08 | 2022-09-09 | 江苏徐淮地区淮阴农业科学研究所 | Intelligent display device for data files |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: Plant No.3, No.268, Zhoutou, gushanzhou village, Jingxi Town, Minhou County, Fuzhou City, Fujian Province Patentee after: Fujian xinyanchuang Technology Co., Ltd Address before: Plant No.3, No.268, Zhoutou, gushanzhou village, Jingxi Town, Minhou County, Fuzhou City, Fujian Province Patentee before: FUZHOU YANCHUANG ENVIRONMENT TECHNOLOGY Co.,Ltd. |