CN210345507U - Exhaust chimney with valve adjusting mechanism - Google Patents
Exhaust chimney with valve adjusting mechanism Download PDFInfo
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- CN210345507U CN210345507U CN201921237795.2U CN201921237795U CN210345507U CN 210345507 U CN210345507 U CN 210345507U CN 201921237795 U CN201921237795 U CN 201921237795U CN 210345507 U CN210345507 U CN 210345507U
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- valve body
- valve
- deep bead
- exhaust
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Abstract
The utility model relates to an exhaust chimney with valve adjustment mechanism, belong to exhaust chimney technical field, including chimney main entrance, install the fan in chimney main entrance, a plurality of exhaust branch road and a plurality of valve, the valve includes the valve body that the tubulose set up and installs the valve adjustment mechanism on the valve body, the valve adjustment mechanism includes hand crank, wire rope, band pulley, pivot and deep bead, the size of the deep bead is smaller than the diameter of the valve body, when the deep bead rotates 0 degrees along with the pivot, the deep bead is parallel with the valve body terminal surface, when the deep bead rotates 90 degrees along with the pivot, the deep bead is perpendicular with the valve body terminal surface, adjust the degree of opening and shutting of the valve, thus control the air flow of the exhaust branch road; it is rotatory to connect wire rope drive belt pulley through rotating the hand-cranking ware to it is rotatory to drive the rotatory wind screen that makes of pivot, and through the air output with the help of the rotation angle size adjustment valve body of wind screen, equipment cost is low, adjusts convenient and fast, improves exhaust purification efficiency.
Description
Technical Field
The utility model relates to an exhaust chimney with valve adjustment mechanism belongs to exhaust chimney technical field.
Background
The industrial waste gas is discharged from the exhaust chimney at high altitude after being purified, the exhaust branches in each procedure are connected in parallel and then are converged into the chimney main port, the fan arranged on the chimney main port generates suction force by high-speed rotation to suck the gas in the exhaust branches into the chimney main port, because the smoke discharge amount of each exhaust branch is different under the actual condition, the suction force of the exhaust branch closer to the chimney main port is larger, the exhaust amount is also larger, the exhaust branch far away from the chimney main port is smaller, however, the exhaust branch in the prior art is generally provided with a valve which can only be controlled to open or close, and the opening and closing degree of the valve can not be controlled and adjusted according to the amount of the smoke gas to be discharged, so that the problem of low purification efficiency is easily caused because the smoke gas can not be discharged in time, however, the electric valve is not suitable for use when the temperature of the exhaust gas is high, and therefore, a mechanism capable of adjusting the opening and closing degree of the valve is urgently needed to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists, provide an exhaust chimney with valve adjustment mechanism for the valve degree of opening and shutting of exhaust chimney can not adjust and the problem that the purification efficiency that causes is low among the solution prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an exhaust chimney with a valve adjusting mechanism comprises a chimney total opening, a fan arranged at the chimney total opening, a plurality of exhaust branch circuits connected in parallel and a plurality of valves arranged on the exhaust branch circuits in series, wherein the plurality of exhaust branch circuits are connected in series with the chimney total opening after being connected in parallel, the valve comprises a valve body arranged in a tubular shape and the valve adjusting mechanism arranged on the valve body, the valve adjusting mechanism comprises a hand crank, a steel wire rope, a belt pulley, a rotating shaft fixedly arranged coaxially with the belt pulley and a wind shield arranged on the rotating shaft, one end of the steel wire rope is fixedly arranged on the hand crank, the other end of the steel wire rope is fixedly arranged on the belt pulley after being wound with a plurality of rings, the rotating shaft penetrates through the valve body wall and is arranged on the valve body wall through rotation of a bearing, the axis of the rotating shaft is vertical to and intersected with the central axis, when the wind shield rotates for 0 degree along with the rotating shaft, the wind shield is parallel to the end face of the valve body, and when the wind shield rotates for 90 degrees along with the rotating shaft, the wind shield is perpendicular to the end face of the valve body.
The utility model has the advantages that: the opening and closing degree of the valve is adjusted by arranging the valve adjusting mechanism, so that the ventilation quantity of the exhaust branch is controlled; it is rotatory to connect wire rope drive belt pulley through rotating the hand-cranking ware to it is rotatory to drive the rotatory wind screen that makes of pivot, and through the air output with the help of the rotation angle size adjustment valve body of wind screen, equipment cost is low, adjusts convenient and fast, improves exhaust purification efficiency.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, an upper flange is arranged on the top end face of the valve body, and a lower flange is arranged on the bottom end face of the valve body.
The beneficial effect who adopts above-mentioned further scheme is through setting up flange and lower flange, is convenient for install and dismantle the valve body, and the maintenance of being convenient for improves work efficiency.
Further, set up closed stopper on the valve body inner wall, when the deep bead is rotatory 0 and valve body terminal surface parallel, the deep bead bottom surface contacts with closed stopper.
The beneficial effect who adopts above-mentioned further scheme is, through setting up closed stopper, carry on spacingly when rotatory 0 to the deep bead, prevent to adjust excessively, improve adjustment efficiency.
Further, set up 90 stoppers on the valve plate inner wall, when the deep bead is rotatory 90 and valve body terminal surface is perpendicular, deep bead bottom surface and 90 stoppers contact.
The beneficial effect who adopts above-mentioned further scheme is through setting up 90 stopper, carries on spacingly when rotatory 90 to the deep bead, makes the air output reach the maximum value, prevents to adjust excessively, improves adjustment efficiency.
Furthermore, the bottom surface of the wind shield is provided with a balancing weight.
Adopt above-mentioned further scheme's beneficial effect is, through setting up the balancing weight, adjustment deep bead weight reduces the regulation resistance, improves adjustment efficiency.
Further, set up pressure sensor in the exhaust branch road, pressure sensor is located valve body inner wall bottom.
The beneficial effect who adopts above-mentioned further scheme is through setting up pressure sensor for detect the pressure value of ventilating on the exhaust branch road, thereby in time adjust the degree of opening and shutting of valve, improve exhaust purification efficiency.
Furthermore, one end of the steel wire rope, which is close to the hand crank, is provided with a marked scale mark, and the numerical value of the scale mark corresponds to the rotation angle of the wind shield.
The beneficial effect who adopts above-mentioned further scheme is that, through setting up the scale mark that corresponds with deep bead rotation angle, the angle of the quick adjustment deep bead when being convenient for adjust improves adjustment efficiency.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a front view of the valve;
FIG. 3 is a top view of the valve;
FIG. 4 is a cross-sectional view of the A-A windshield of FIG. 3 as it is closed;
FIG. 5 is a cross-sectional view of the windshield of FIG. 3 taken at 90 degrees A-A;
FIG. 6 is a perspective view of the valve closed;
fig. 7 is a perspective view of the valve when it is opened to 90 deg..
In the figure, 1, a chimney total opening, 2, a fan, 3, a valve, 4, an exhaust branch, 31, an upper flange, 32, a bearing, 33, a rotating shaft, 34, a belt wheel, 35, a steel wire rope, 36, a hand crank, 37, a lower flange, 38, a valve body, 39, a wind shield, 40, a balancing weight, 41, a closing limiting block, 42.90 degrees of limiting blocks, 43, an end face of the valve body and 44, the bottom face of the wind shield.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The utility model provides an exhaust chimney with valve adjustment mechanism, includes that the chimney always mouthful 1, installs fan 2, three parallelly connected exhaust branch 4 and three series connection of the chimney that mouthful 1 department totally install the valve 3 on exhaust branch 4 in the chimney, three exhaust branch 4 parallelly connected back and chimney always mouthful 1 series connection, valve 3 includes the valve body 38 of tubulose setting and installs the valve adjustment mechanism on valve body 38, valve adjustment mechanism includes hand cranking ware 36, wire rope 35, band pulley 34, with band pulley 34 coaxial fixed mounting's pivot 33 and install the deep bead 39 on pivot 33, wire rope 35 one end fixed mounting is on hand cranking ware 36, and the other end is fixed mounting on band pulley 34 after twining a plurality of rings on band pulley 34, pivot 33 passes valve body 38 wall and rotates through bearing 32 and installs on valve body 28 wall, the axis of pivot 33 is perpendicular and crossing with the central axis of valve body 38, the size of the wind shield 39 is smaller than the diameter of the valve body 38, the diameter of the wind shield 39 is smaller than the inner diameter of the valve body 38 by 1mm, when the wind shield 39 rotates 0 degrees along with the rotating shaft, the wind shield 39 is parallel to the end face 43 of the valve body, when the wind shield 39 rotates 90 degrees along with the rotating shaft, the wind shield 39 is perpendicular to the end face 43 of the valve body, and the opening and closing degree of the valve 3 is adjusted by arranging a valve adjusting mechanism, so that the ventilation volume of the exhaust branch 4 is controlled; connect wire rope 35 drive pulley 34 rotatory through rotating hand-cranking ware 36 to it is rotatory to drive the rotatory wind shield 39 that makes of pivot 33, and through the air output of the rotation angle size adjustment valve body 38 with the help of wind shield 39, equipment cost is low, adjusts convenient and fast, improves waste gas purification efficiency.
The top end face of the valve body 38 is provided with the upper flange 31, the bottom end face of the valve body 38 is provided with the lower flange 37, and the upper flange 31 and the lower flange 37 are arranged, so that the valve body 38 is convenient to mount and dismount, convenient to maintain and capable of improving working efficiency.
Set up closed stopper 41 on the valve body 38 inner wall, when deep bead 39 is rotatory 0 and valve body terminal surface 43 is parallel, deep bead bottom surface 44 contacts with closed stopper 41, through setting up closed stopper, carries on spacingly when rotatory 0 to deep bead 39, prevents that the adjustment is excessive, improves adjustment efficiency.
Set up 90 stopper 42 on the valve plate body 38 inner wall, when deep bead 39 is rotatory 90 perpendicular with valve body terminal surface 43, deep bead bottom surface 44 contacts with 90 stopper 42, through setting up 90 stopper 42, carries on spacingly to deep bead 39 rotatory 90 time, makes the air output reach the maximum value, prevents to adjust excessively, improves adjustment efficiency.
The balancing weight 40 is installed on the bottom surface 44 of the wind shield, and the weight of the wind shield 39 is adjusted by arranging the balancing weight 40, so that the adjusting resistance is reduced, and the adjusting efficiency is improved.
Set up pressure sensor in the exhaust branch 4, pressure sensor is located 38 inner wall bottoms of valve body for through setting up pressure sensor, be used for detecting the pressure value of ventilating on the exhaust branch 4, thereby in time adjust the degree of opening and shutting of valve 3, improve exhaust purification efficiency.
The working principle is as follows: detect the pressure value of ventilating on the branch road 4 of exhausting through pressure sensor, when the great needs of pressure value adjusted the degree of opening and shutting of valve 3, rotate hand-cranking ware 36, make band pulley 34 rotatory through wire rope 35, band pulley 34 is rotatory to drive pivot 33 synchronous revolution, and deep bead 39 is rotatory simultaneously, and when rotatory 90, deep bead 39 is perpendicular with valve body terminal surface 43, and the air output is the biggest this moment.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. An exhaust stack having a valve adjustment mechanism, comprising: including the chimney total mouthful, install fan, a plurality of exhaust branch road and a plurality of series connection of connecting in parallel each other in chimney total mouthful department and install the valve on the exhaust branch road, a plurality of exhaust branch road connect in series with the chimney total mouthful series connection after parallelly connected, the valve includes the valve body of tubulose setting and installs the valve adjustment mechanism on the valve body, valve adjustment mechanism includes hand crank, wire rope, band pulley, with the pivot of the coaxial fixed mounting of band pulley and install the deep bead in the pivot, wire rope one end fixed mounting is on the hand crank, fixed mounting is on the band pulley after the other end twines a plurality of rings on the band pulley, the pivot passes valve body wall and installs on valve body wall through bearing rotation, the axis of pivot is perpendicular and crossing with the central axis of valve body, the size of the deep bead is less than the diameter of valve body, when the deep bead rotates 0 along, the wind shield is parallel to the end face of the valve body, and when the wind shield rotates 90 degrees along with the rotating shaft, the wind shield is perpendicular to the end face of the valve body.
2. An exhaust stack having a valving mechanism according to claim 1, wherein: the top end face of the valve body is provided with an upper flange, and the bottom end face of the valve body is provided with a lower flange.
3. An exhaust stack having a valve adjustment mechanism according to claim 1 or 2, wherein: set up closed stopper on the valve body inner wall, when the deep bead is rotatory 0 and valve body terminal surface parallel, the deep bead bottom surface contacts with closed stopper.
4. An exhaust stack having a valving mechanism according to claim 3, wherein: set up 90 stoppers on the valve plate inner wall, when the deep bead is rotatory 90 and valve body terminal surface is perpendicular, deep bead bottom surface and 90 stoppers contact.
5. An exhaust stack having a valving mechanism according to claim 4, wherein: and a balancing weight is arranged on the bottom surface of the wind shield.
6. An exhaust stack having a valving mechanism according to claim 1, wherein: and a pressure sensor is arranged in the exhaust branch and is positioned at the bottom of the inner wall of the valve body.
7. An exhaust stack having a valving mechanism according to claim 1, wherein: and one end of the steel wire rope, which is close to the hand crank, is provided with a marked scale mark, and the numerical value of the scale mark corresponds to the rotation angle of the wind shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921237795.2U CN210345507U (en) | 2019-07-30 | 2019-07-30 | Exhaust chimney with valve adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921237795.2U CN210345507U (en) | 2019-07-30 | 2019-07-30 | Exhaust chimney with valve adjusting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210345507U true CN210345507U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921237795.2U Active CN210345507U (en) | 2019-07-30 | 2019-07-30 | Exhaust chimney with valve adjusting mechanism |
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| Country | Link |
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| CN (1) | CN210345507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171632A (en) * | 2020-09-24 | 2021-01-05 | 中国船舶科学研究中心 | Ejection type marking device capable of operating in narrow space |
-
2019
- 2019-07-30 CN CN201921237795.2U patent/CN210345507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171632A (en) * | 2020-09-24 | 2021-01-05 | 中国船舶科学研究中心 | Ejection type marking device capable of operating in narrow space |
| CN112171632B (en) * | 2020-09-24 | 2022-03-11 | 中国船舶科学研究中心 | Ejection type marking device capable of operating in narrow space |
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