CN211011467U - Uniform and secondary air field flow equalizing device of air-smoke system - Google Patents
Uniform and secondary air field flow equalizing device of air-smoke system Download PDFInfo
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- CN211011467U CN211011467U CN201921738706.2U CN201921738706U CN211011467U CN 211011467 U CN211011467 U CN 211011467U CN 201921738706 U CN201921738706 U CN 201921738706U CN 211011467 U CN211011467 U CN 211011467U
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Abstract
The utility model discloses a flue gas system is one, secondary wind field flow straightener, including body and connecting seat, one side of body is connected with the air-supply line, the one end that the body is close to the air-supply line is provided with the flow distribution plate, wherein, the both sides of flow distribution plate are connected with the ventilation groove, the one end in ventilation groove is connected with the baffle, the other end in ventilation groove is connected with the cab apron, the one end of body is connected with the return bend, the inside of return bend is provided with the guide plate, the connecting seat sets up at the body both ends of keeping away from the return bend, the inside of connecting seat is fixed with the grid frame, the inside of grid frame is provided with the rectifier tube. This wind cigarette system is unified, overgrate air field flow straightener is provided with the guide plate, when cutting or the switching-over connection installation to the body of return bend department, still can carry out the water conservancy diversion to the wind cigarette that flows in the body through the inside guide plate of return bend to make things convenient for operating personnel to reform transform the trend of on-the-spot body through the modularized design.
Description
Technical Field
The utility model relates to a pipeline amount of wind detects technical field, specifically is a wind cigarette system is unified, overgrate air field flow straightener.
Background
At present, the field arrangement of coal-fired power plants is more and more compact, so that the problems of overlarge measurement deviation of primary air quantity and secondary air quantity, severe fluctuation and the like of coal mill inlets exist in all power plants to different degrees, particularly, along with the comprehensive promotion of ultralow emission, deep low-nitrogen combustion puts higher requirements on the accurate measurement of the primary air quantity and the secondary air quantity, more and more power plants are aware of the importance of the problem, therefore, the speed of the air channel section where an on-line air quantity measuring element is located and the temperature distribution uniformity and stability are improved through modularized flow division, flow mixing, flow guiding and rectification, and the working efficiency of an air-smoke system and a secondary air field flow equalizing device is hoped to be improved through innovation of the air-smoke system and the secondary air field flow equalizing device, the detection is convenient and stable, the use efficiency is improved, and the maximum value is exerted, along with the development of science and technology, the air and smoke system is uniform, the secondary air field flow equalizing device is developed to a great extent, great convenience is brought to people in flow speed detection of pipeline air and smoke, and the type and the number of the air and smoke system are increasing day by day.
The air and smoke system in the current market and the secondary air field flow equalizing device have the following defects that although the types and the number of the air and smoke system are very large: the air-smoke system is uniform, the secondary air field flow equalizing device is not convenient for fixing the grid frame, the air-smoke system is uniform, the air-smoke distribution is not convenient for in the pipe body of the secondary air field flow equalizing device, and the air-smoke system is uniform, and the secondary air field flow equalizing device is not convenient for transforming. Therefore, the current secondary air field flow equalizing device of the air and smoke system is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wind cigarette system is unified, overgrate air field flow straightener to solve the wind cigarette system on the present market that above-mentioned background art provided and unified, overgrate air field flow straightener is not convenient for grid frame fixed mounting, and the wind cigarette system is unified, the problem that the overgrate air field flow straightener reforms transform is not convenient for to the wind cigarette system in the reposition of redundant personnel's of being convenient for in the body of overgrate air field flow straightener.
In order to achieve the purpose, the utility model provides the following technical scheme; a secondary air field flow equalizing device for a flue gas system comprises a pipe body and a connecting seat, wherein one side of the pipe body is connected with an air inlet pipe, one end of the pipe body, which is close to the air inlet pipe, is provided with a flow dividing plate, wherein,
the two sides of the flow distribution plate are connected with ventilation grooves, one ends of the ventilation grooves are connected with baffle plates, the other ends of the ventilation grooves are connected with transition plates, and one end of the pipe body is connected with a bent pipe;
the air conditioner comprises a bent pipe and is characterized in that a guide plate is arranged inside the bent pipe, connecting seats are arranged at two ends of the pipe body far away from the bent pipe, a grid frame is fixed inside the connecting seats, a rectifying pipe is arranged inside the grid frame, and an air measuring element is fixed on one side, close to the connecting seats, of the pipe body.
Preferably, the cross section of the flow distribution plate is circular, the cross section of the flow distribution plate is matched with the inner cross section of the pipe body, and the vertical central cross section of the flow distribution plate is superposed with the vertical axis cross section of the air inlet pipe.
Preferably, the shape of each guide plate is circular arc, the number of the guide plates is three, the vertical distances between the adjacent three guide plates are equal, and the cross sections of the three guide plates are concentric circular arc.
Preferably, threads are arranged inside two sides of the connecting seat, and the cross section size inside the two sides of the connecting seat is matched with the external cross section size of the pipe body.
Preferably, the size of the grid frame is matched with the size of the inner section of the pipe body, and the width of the grid frame is larger than that of the rectifying pipe.
Preferably, the rectifying tubes are in a hollow cylindrical structure, the cross sections of the rectifying tubes are in a concentric circular ring shape, and the vertical distances between the adjacent rectifying tubes are equal.
Compared with the prior art, the beneficial effects of the utility model are that: this wind cigarette system is unified, overgrate air field flow straightener:
1. the grid frame is provided with a connecting seat, when the grid frame needs to be installed, two ends of the rotating connecting seat are sequentially installed on the pipe body in a butt joint mode through threads inside two sides of the connecting seat, and therefore the grid frame in the connecting seat can be conveniently installed on a straight line section of the pipe body;
2. the air inlet pipe is provided with the splitter plate, when air and smoke enter the pipe body, the air and smoke flow into the ventilation groove from two sides of the splitter plate and flow to one end of the pipe body through the baffles on the upper side and the lower side of the ventilation groove and the transition plate, so that the air and smoke in the air inlet pipe can be conveniently split;
3. be provided with the guide plate, when needs reform transform the body overall arrangement, when cutting or the switching-over connection installation to the body of return bend department, still can carry out the water conservancy diversion to the wind cigarette that flows in the body through the inside guide plate of return bend to make things convenient for operating personnel to reform transform the trend of on-the-spot body through the modularized design.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of a secondary air field flow straightener in a wind and smoke system of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the secondary air field flow straightener in the air and smoke system of the present invention;
fig. 3 is a schematic view of the right cross-sectional structure of the secondary air field flow straightener of the air-smoke system of the present invention.
In the figure: 1. a pipe body; 2. an air inlet pipe; 3. a flow distribution plate; 4. a ventilation slot; 5. a baffle plate; 6. a transition plate; 7. bending the pipe; 8. a baffle; 9. a connecting seat; 10. a grid frame; 11. a rectifier tube; 12. a wind measuring element.
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. 1-3, the present invention provides a technical solution: a secondary air field flow equalizing device for a flue gas system comprises a pipe body 1, an air inlet pipe 2, a flow dividing plate 3, a ventilating slot 4, a baffle plate 5, a transition plate 6, a bent pipe 7, a guide plate 8, a connecting seat 9, a grid frame 10, a rectifying pipe 11 and an air measuring element 12, wherein one side of the pipe body 1 is connected with the air inlet pipe 2, one end of the pipe body 1, which is close to the air inlet pipe 2, is provided with the flow dividing plate 3, the cross section of the flow dividing plate 3 is circular, the cross section of the flow dividing plate 3 is identical to the inner cross section of the pipe body 1, the vertical central cross section of the flow dividing plate 3 is identical to the vertical axis cross section of the air inlet pipe 2, the vertical central cross section of the flow dividing plate 3 is arranged to be identical to the vertical axis cross section of the air inlet pipe 2, so that flue gas entering from the,
two sides of the flow distribution plate 3 are connected with ventilation grooves 4, one end of each ventilation groove 4 is connected with a baffle 5, the other end of each ventilation groove 4 is connected with a transition plate 6, and one end of the pipe body 1 is connected with a bent pipe 7;
the interior of the elbow 7 is provided with the guide plates 8, the shape of each guide plate 8 is circular arc, the number of the guide plates 8 is three, the vertical distances between the adjacent three guide plates 8 are equal, the cross-sectional shapes of the three guide plates 8 are concentric circular arc, so that wind and smoke can flow through the guide plates 8 conveniently and uniformly when entering the elbow 7, the connecting seats 9 are arranged at the two ends of the pipe body 1 far away from the elbow 7, threads are arranged inside the two sides of the connecting seats 9, the cross-sectional sizes of the insides of the two sides of the connecting seats 9 are matched with the external cross-sectional size of the pipe body 1, the connecting seats 9 and the pipe body 1, the size of grid frame 10 is identical with the inside cross sectional dimension of body 1, and the width of grid frame 10 is greater than rectifier tube 11's width, and the size that sets up grid frame 10 is identical with the inside cross sectional dimension of body 1 for grid frame 10 is stably fixed in the inside of connecting seat 9, the inside of grid frame 10 is provided with rectifier tube 11, rectifier tube 11's shape is hollow circular cylinder structure, and rectifier tube 11's cross sectional shape is concentric ring form, and adjacent vertical distance between rectifier tube 11 equals, and the cross sectional shape that sets up rectifier tube 11 is concentric ring form, makes during the wind smoke gets into rectifier tube 11, guarantees that the wind smoke is even at the same cross-sectional velocity of flow of body 1, one side that body 1 is close to connecting seat 9 is fixed with anemometry component 12.
The working principle is as follows: when the air and smoke system and the secondary air field flow equalizing device are used, firstly, two ends of a connecting seat 9 are rotated to be sequentially abutted and installed on a pipe body 1 through threads inside two sides of the connecting seat 9, so that a grid frame 10 in the connecting seat 9 is installed on a straight line section of the pipe body 1, when air pipes 2 convey air and smoke into the pipe body 1, the air and smoke flow into a ventilation groove 4 from two sides of a flow distribution plate 3, flow to one end of the pipe body 1 through baffle plates 5 and transition plates 6 on the upper side and the lower side of the ventilation groove 4, flow into the other end of the pipe body 1 through guide plates 8 distributed at equal intervals when flowing through a bent pipe 7, then the air and smoke in the pipe body 1 pass through a rectifying pipe 11 in the connecting seat 9, so that the flow velocity and the flow quantity of the air and smoke at the section of the same pipe body 1 are uniform, and the air measuring element 12 uniformly detects the flow velocity, the flow quantity and the, when the device needs to be modified after being installed, when the pipe body 1 at the bent pipe 7 is cut or connected and installed in a reversing mode, the flow guide plate 8 inside the bent pipe 7 can still guide the flow of the wind and smoke flowing in the pipe body 1, so that the trend of the pipe body 1 on site can be conveniently modified by an operator through modular design, and the content which is not described in detail in the description belongs to the prior art known by professionals in the field.
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 (6)
1. The utility model provides a flue gas system is one, overgrate air field flow straightener, includes body (1) and connecting seat (9), its characterized in that: one side of the pipe body (1) is connected with an air inlet pipe (2), one end of the pipe body (1) close to the air inlet pipe (2) is provided with a splitter plate (3), wherein,
both sides of the flow distribution plate (3) are connected with ventilation grooves (4), one end of each ventilation groove (4) is connected with a baffle plate (5), the other end of each ventilation groove (4) is connected with a transition plate (6), and one end of the pipe body (1) is connected with a bent pipe (7);
the utility model discloses a wind measuring device, including return bend (7), connecting seat (9), grid frame (10), connecting seat (9), connecting seat (7) and connecting seat (9), the inside of return bend (7) is provided with guide plate (8), body (1) both ends of keeping away from return bend (7) are being set up, the inside of connecting seat (9) is fixed with grid frame (10), the inside of grid frame (10) is provided with rectifier tube (11), one side that body (1) is close to connecting seat (9) is.
2. The secondary air flow equalizing device of claim 1, wherein: the cross section of the flow distribution plate (3) is circular, the cross section size of the flow distribution plate (3) is matched with the inner cross section size of the pipe body (1), and the vertical center cross section of the flow distribution plate (3) is superposed with the vertical axis cross section of the air inlet pipe (2).
3. The secondary air flow equalizing device of claim 1, wherein: the shape of guide plate (8) is circular-arc, and guide plate (8) are provided with three altogether, and three the perpendicular distance between guide plate (8) are adjacent equals, and three the cross sectional shape of guide plate (8) is concentric circular-arc.
4. The secondary air flow equalizing device of claim 1, wherein: threads are arranged inside two sides of the connecting seat (9), and the section size inside two sides of the connecting seat (9) is matched with the external section size of the pipe body (1).
5. The secondary air flow equalizing device of claim 1, wherein: the size of the grid frame (10) is matched with the size of the inner section of the pipe body (1), and the width of the grid frame (10) is larger than that of the rectifying pipe (11).
6. The secondary air flow equalizing device of claim 1, wherein: the rectifying tubes (11) are of hollow cylindrical structures, the cross sections of the rectifying tubes (11) are in concentric circular ring shapes, and the vertical distances between the adjacent rectifying tubes (11) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921738706.2U CN211011467U (en) | 2019-10-16 | 2019-10-16 | Uniform and secondary air field flow equalizing device of air-smoke system |
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| CN201921738706.2U CN211011467U (en) | 2019-10-16 | 2019-10-16 | Uniform and secondary air field flow equalizing device of air-smoke system |
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| CN211011467U true CN211011467U (en) | 2020-07-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275117A (en) * | 2021-05-21 | 2021-08-20 | 京仪股份有限公司 | Primary air flow field adjusting structure based on flow equalizing technology |
| CN114151788A (en) * | 2021-12-02 | 2022-03-08 | 无锡华光环保能源集团股份有限公司 | Secondary air pipe structure of circulating fluidized bed boiler |
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2019
- 2019-10-16 CN CN201921738706.2U patent/CN211011467U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275117A (en) * | 2021-05-21 | 2021-08-20 | 京仪股份有限公司 | Primary air flow field adjusting structure based on flow equalizing technology |
| CN114151788A (en) * | 2021-12-02 | 2022-03-08 | 无锡华光环保能源集团股份有限公司 | Secondary air pipe structure of circulating fluidized bed boiler |
| CN114151788B (en) * | 2021-12-02 | 2023-11-21 | 无锡华光环保能源集团股份有限公司 | Secondary air pipe structure of circulating fluidized bed boiler |
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