CN216384251U - Pressure adjusting device for stainless steel chimney system of boiler - Google Patents
Pressure adjusting device for stainless steel chimney system of boiler Download PDFInfo
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- CN216384251U CN216384251U CN202121918284.4U CN202121918284U CN216384251U CN 216384251 U CN216384251 U CN 216384251U CN 202121918284 U CN202121918284 U CN 202121918284U CN 216384251 U CN216384251 U CN 216384251U
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Abstract
The utility model discloses a pressure adjusting device of a stainless steel chimney system of a boiler, which comprises a pressure detecting device, a wind catching device and a control device, wherein the pressure detecting device is arranged in a chimney and used for detecting the pressure in the chimney; the wind catching device is arranged outside the chimney and is used for catching wind from the outside into the chimney; the control device is used for receiving a detection signal of a detection result of the pressure detection device and controlling and adjusting the air catching amount of the air catching device according to the detection signal, so that the effect of adjusting the pressure balance in the boiler chimney system is achieved, and the normal operation of the boiler system is ensured.
Description
Technical Field
The utility model relates to the technical field of boiler combustion, in particular to a pressure adjusting device for a stainless steel chimney system of a boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler is in the forms of chemical energy in fuel, electric energy, heat energy of high-temperature flue gas and the like, and steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards after conversion by the boiler. Boiler combustion creates a certain negative pressure in the boiler stack system, and flue gas from boiler combustion is generally exhausted through a stack in the boiler stack system. Because the boiler combustion is ignited and ignited by a burner in the boiler system, whether the burner can be ignited successfully depends on the pressure in a boiler chimney system. Therefore, if the flue gas discharged from the chimney is not smooth due to some reason, the pressure in the chimney system is too high, the resistance of the burner ignition is increased, and the normal operation of the boiler system cannot be ensured.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a pressure regulating device for a stainless steel chimney system of a boiler, which can regulate the pressure balance in the chimney system of the boiler and ensure the normal operation of the boiler system.
The purpose of the utility model is realized by adopting the following technical scheme:
a boiler stainless steel chimney system pressure adjustment device, comprising:
the pressure detection device is arranged in the chimney and used for detecting the pressure in the chimney;
the wind catching device is arranged outside the chimney and used for catching wind from the outside into the chimney;
and the control device is used for receiving a detection signal of a detection result of the pressure detection device and controlling and adjusting the wind catching amount of the wind catching device according to the detection signal.
Furthermore, the wind catching device comprises an installation main body and a valve plate, the installation main body is installed on the chimney, a wind catching port communicated with the interior of the chimney is formed in the installation main body, and the valve plate is movably arranged on the wind catching port and used for controlling the on-off between the interior of the chimney and the outside.
Furthermore, the wind catching device also comprises a driving device, and the driving device is in driving connection with the valve plate and is used for driving the valve plate to open the wind catching opening or close the wind catching opening.
Further, the valve plate is movably arranged on the air catching opening.
Further, the valve plate is rotatably arranged on the air catching opening.
Furthermore, the wind catching device comprises an installation main body and a plurality of fan blades, the installation main body is installed on the chimney, an annular wind catching notch communicated with the inside of the chimney is formed in the installation main body, and each fan blade is movably arranged on the annular wind catching notch and used for controlling the connection and disconnection between the inside of the chimney and the outside.
Further, each fan blade is movably disposed on the annular wind catching notch.
Further, each fan blade is rotatably arranged on the annular wind catching notch.
Furthermore, the wind catching device further comprises an electric actuator, and the electric actuator is in driving connection with each fan blade and is used for driving each fan blade to open the annular wind catching groove opening or close the annular wind catching groove opening.
Further, the wind catching device is a ventilation valve, and the control device controls and adjusts the opening and closing of a valve of the ventilation valve according to a detection signal of the pressure detection device.
Compared with the prior art, the utility model has the beneficial effects that:
the pressure detection device detects the pressure in the chimney, feeds a detection signal of a detection result back to the control device, and controls the air catching device to catch air from the outside and enter the air catching amount in the chimney through the control device so as to adjust the pressure balance in the boiler chimney system and ensure the normal operation of the boiler system.
Drawings
FIG. 1 is a schematic structural diagram of a pressure regulating device of the present invention applied to a boiler chimney system;
FIG. 2 is a schematic structural view of a pressure regulating device according to the present invention;
FIG. 3 is a schematic perspective view of a pressure regulating device according to the present invention;
FIG. 4 is a schematic structural view of a mounting body according to an embodiment of the present invention;
FIG. 5 is a schematic view of a fan blade configuration according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a valve plate and mounting body according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional structure of fig. 6.
In the figure: 1. a pressure detection device; 10. a chimney; 2. a wind catching device; 20. mounting the main body; 201. a fan blade; 2010. a linkage rod; 202. a rotating shaft; 22. an actuator connecting rod; 203. a pedestal bearing; 204. a mounting seat; 205. a connecting member; 206. an annular wind catching notch; 207. a valve plate; 2070. and (4) catching the air ports.
Detailed Description
The present invention will be described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the following description, various embodiments or technical features may be arbitrarily combined to form a new embodiment without conflict.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The implementation mode is as follows:
the first embodiment is as follows: as shown in fig. 1-5, the utility model shows a pressure regulating device of a stainless steel chimney 10 system of a boiler, comprising a pressure detecting device 1, a wind catching device 2 and a control device, wherein the pressure detecting device 1 is arranged in the chimney 10, and the pressure detecting device 1 is used for detecting the pressure in the chimney 10; the wind catching device 2 is arranged outside the chimney 10, and the wind catching device 2 is used for catching wind from the outside into the chimney 10; the control device is used for receiving a detection signal of the detection result of the pressure detection device 1 and controlling and adjusting the wind catching amount of the wind catching device 2 according to the detection signal. In the using process of the utility model, the pressure in the chimney 10 is detected by the pressure detection device 1, the detection signal of the detection result is fed back to the control device, and then the control device controls the wind catching device 2 to catch wind from the outside and enter the wind catching amount in the chimney 10 so as to adjust the pressure balance in the boiler chimney 10 system and ensure the normal operation of the boiler system.
In this embodiment, the pressure detecting device 1 is a pressure sensor, that is, it can be understood that, if the pressure in the boiler chimney 10 system increases due to the out-of-order exhaust gas, the pressure in the boiler chimney 10 system increases (the pressure value in the boiler chimney 10 system is greater than the pressure value in the normal range), so as to increase the resistance to ignition of the burner in the boiler chimney 10, and further cause the burner to be unable to ignite, the control device controls and adjusts the air catching amount of the air catching device 2 according to the detection signal fed back by the pressure sensor, thereby achieving the effect of adjusting the pressure balance in the boiler chimney 10 system, facilitating smooth ignition of the burner in the boiler chimney 10 system, and ensuring the normal operation of the boiler system.
It should be noted that the control device of the present invention is a control system in the prior art, such as a PLC control system, and therefore, the control principle of the control device is not described here.
In this embodiment, the wind catching device 2 includes an installation main body 20 and a plurality of fan blades 201, the installation main body 20 is installed on the chimney 10, the installation main body 20 is provided with an annular wind catching notch 206 communicated with the inside of the chimney 10, and each fan blade 201 is movably arranged on the annular wind catching notch 206 and used for controlling the on-off between the inside of the chimney 10 and the outside. Specifically, the mounting body 20 is a hollow structure with two open ends, a first end of the mounting body 20 is used for being fixed on the chimney 10, an inner cavity of the mounting body 20 is communicated with the inside of the chimney 10, the mounting body 20 is further fixedly connected with a mounting seat 204 through a connecting piece 205, the mounting seat 204 extends to a second end of the mounting body 20 along a central axis direction of the mounting body 20, and the mounting seat 204 and an inner wall of the second end of the mounting body 20 form the annular wind catching notch 206; one end of each fan blade 201 is movably arranged on the mounting seat 204, and the other end is movably arranged on the inner wall of the second end of the mounting main body 20, so that each fan blade 201 can open the annular air catching groove 206 or close the annular air catching groove 206, thereby achieving the effect of adjusting the pressure in the boiler chimney 10 system.
In this embodiment, each fan blade 201 is rotatably disposed on the annular wind-catching notch 206. Specifically, one end of each fan blade 201 is rotatably disposed on the mounting seat 204 through the rotating shaft 202, the other end of each fan blade 201 is connected through the actuator link 22 rotatably mounted on the mounting body 20, the actuator link 22 is rotatably mounted on the mounting body 20 through the bearing 203 with a seat, and the fan blades 201 can be rotated to open the annular air catching groove 206 or close the annular air catching groove 206 by rotating the actuator link 22.
Of course, in other embodiments, each of the blades 201 is also movably disposed on the annular air-catching groove 206, one end of each of the blades 201 is slidably connected to the mounting base 204, the other end of each of the blades 201 is connected to the actuator link 22 slidably disposed on the mounting body 20, and the blades are moved to open the annular air-catching groove 206 or close the annular air-catching groove 206 by moving the actuator link 22. Therefore, it is within the scope of the present invention for those skilled in the art to reasonably modify the manner of the movable connection of each fan blade 201 to the annular wind-catching slot 206.
In this embodiment, the wind catcher 2 further includes an electric actuator, and the electric actuator is in driving connection with each of the blades 201 and is used for driving each of the blades 201 to open the annular wind catching groove 206 or close the annular wind catching groove 206. That is, when the pressure sensor detects that the pressure in the chimney 10 increases, a detection signal of the detection result is fed back to the control device, the control device controls the driving of the electric actuator, the electric actuator is connected with the actuator connecting rod 22 through the linkage rod 2010, the actuator connecting rod 22 drives the rotation of each fan blade 201 by driving the electric actuator to drive the linkage rod 2010, so that the rotation of each fan blade 201 is controlled and adjusted, the air capturing amount of the annular air capturing groove opening 206 can be adjusted, and the effect of adjusting the pressure balance in the boiler chimney 10 system is achieved.
Example two:
the difference between the second embodiment and the first embodiment is that the vanes 201 are replaced by a valve plate 207.
In this embodiment, as shown in fig. 6 to 7, the mounting body 20 is also a hollow structure with two open ends, the first end of the mounting body 20 is used to be fixed on the chimney 10, the inner cavity of the mounting body 20 is communicated with the inside of the chimney 10, the second end of the mounting body 20 is formed with an air catching port 2070, and the valve plate 207 is movably disposed on the air catching port 2070 to control the on/off between the inside of the chimney 10 and the outside. It should be noted that the air scoop 2070 of the present embodiment may be circular, square, oval or triangular, and is not limited herein, as long as the valve plate 207 is movably connected to the air scoop 2070, and the function of opening or closing the air scoop 2070 by operating the valve plate 207 is satisfied.
In this embodiment, the device further includes a driving device, and the driving device is in driving connection with the valve plate 207 and is used for driving the valve plate 207 to open the air catching port 2070 or close the air catching port 2070. Specifically, the valve plate 207 is rotatably disposed on the air catching port 2070, and the air catching port 2070 can be opened or closed by driving the rotation of the valve plate 207 through the driving device, that is, when the valve plate 207 is rotatably disposed on the air catching port 2070, the driving device selects the first electric actuator, and the valve plate 207 is driven to rotate through the electric actuator. Of course, in other embodiments, the valve plate 207 is also movably disposed on the air catching port 2070, and when the valve plate 207 is also movably disposed on the air catching port 2070, the driving device for driving the valve plate 207 to move may be a motor screw rod to drive the valve plate 207 to move. Of course, other drive means, such as an electric push rod, may be used. Therefore, it is obvious to those skilled in the art that the present invention should also fall within the scope of the present invention by appropriately modifying the driving apparatus of the present embodiment.
Example three:
the present embodiment differs from the first or second embodiment in the wind catching device 2. The wind catching device 2 of the present embodiment is a ventilation valve, the ventilation valve is disposed on the annular wind catching notch 206 or the wind catching port 2070, and the opening and closing of the ventilation valve is controlled and adjusted by the control device according to the detection signal fed back by the pressure sensor, so as to achieve the effect of adjusting the pressure balance in the furnace chimney 10 system.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A boiler stainless steel chimney system pressure adjustment device, its characterized in that includes:
the pressure detection device (1) is arranged in the chimney (10) and used for detecting the pressure in the chimney (10);
the wind catching device (2) is arranged outside the chimney (10) and is used for catching wind from the outside into the chimney (10);
and the control device is used for receiving a detection signal of a detection result of the pressure detection device (1) and controlling and adjusting the wind catching amount of the wind catching device (2) according to the detection signal.
2. The stainless steel chimney system pressure regulating device of the boiler as claimed in claim 1, characterized in that: catch wind device (2) including installation main part (20) and valve plate (207), installation main part (20) are installed on chimney (10), have on installation main part (20) with chimney (10) in the intercommunication catch wind gap (2070), valve plate (207) activity set up in catch on wind gap (2070) for control chimney (10) in with the external break-make.
3. The stainless steel chimney system pressure regulating device of the boiler as claimed in claim 2, characterized in that: the wind catching device (2) further comprises a driving device, and the driving device is in driving connection with the valve plate (207) and used for driving the valve plate (207) to open the wind catching port (2070) or close the wind catching port (2070).
4. The stainless steel chimney system pressure regulating device of the boiler as claimed in claim 2, characterized in that: the valve plate (207) is movably arranged on the air catching opening (2070).
5. The stainless steel chimney system pressure regulating device of the boiler as claimed in claim 2, characterized in that: the valve plate (207) is rotatably arranged on the air catching opening (2070).
6. The stainless steel chimney system pressure regulating device of the boiler as claimed in claim 1, characterized in that: the wind catching device (2) comprises an installation main body (20) and a plurality of fan blades (201), the installation main body (20) is installed on the chimney (10), an annular wind catching notch (206) communicated with the inside of the chimney (10) is formed in the installation main body (20), and each fan blade (201) is movably arranged on the annular wind catching notch (206) and used for controlling the connection and disconnection between the inside of the chimney (10) and the outside.
7. The stainless steel chimney system pressure regulating device of the boiler as claimed in claim 6, characterized in that: each fan blade (201) is movably arranged on the annular wind catching notch (206).
8. The stainless steel chimney system pressure regulating device of the boiler as claimed in claim 6, characterized in that: each fan blade (201) is rotatably arranged on the annular wind catching notch (206).
9. The stainless steel chimney system pressure regulating device of the boiler as claimed in claim 6, characterized in that: the wind catching device (2) further comprises an electric actuator, and the electric actuator is in driving connection with each fan blade (201) and is used for driving each fan blade (201) to open the annular wind catching notch (206) or close the annular wind catching notch (206).
10. The stainless steel chimney system pressure regulating device of the boiler as claimed in claim 1, characterized in that: the wind catching device (2) is a ventilation valve, and the control device controls and adjusts the opening and closing of a valve of the ventilation valve according to a detection signal of the pressure detection device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918284.4U CN216384251U (en) | 2021-08-16 | 2021-08-16 | Pressure adjusting device for stainless steel chimney system of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918284.4U CN216384251U (en) | 2021-08-16 | 2021-08-16 | Pressure adjusting device for stainless steel chimney system of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216384251U true CN216384251U (en) | 2022-04-26 |
Family
ID=81239463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121918284.4U Active CN216384251U (en) | 2021-08-16 | 2021-08-16 | Pressure adjusting device for stainless steel chimney system of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216384251U (en) |
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2021
- 2021-08-16 CN CN202121918284.4U patent/CN216384251U/en active Active
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