CN115467986A - Method and device for adjusting air volume of pulverized coal pipe based on partition butterfly valve rotation - Google Patents
Method and device for adjusting air volume of pulverized coal pipe based on partition butterfly valve rotation Download PDFInfo
- Publication number
- CN115467986A CN115467986A CN202211142677.XA CN202211142677A CN115467986A CN 115467986 A CN115467986 A CN 115467986A CN 202211142677 A CN202211142677 A CN 202211142677A CN 115467986 A CN115467986 A CN 115467986A
- Authority
- CN
- China
- Prior art keywords
- butterfly valve
- partition
- ring
- butterfly
- rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005192 partition Methods 0.000 title claims abstract description 41
- 239000003245 coal Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 6
- 229910001018 Cast iron Inorganic materials 0.000 description 9
- 229910000990 Ni alloy Inorganic materials 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 8
- 239000011651 chromium Substances 0.000 description 8
- MOWMLACGTDMJRV-UHFFFAOYSA-N nickel tungsten Chemical compound [Ni].[W] MOWMLACGTDMJRV-UHFFFAOYSA-N 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention provides a partition butterfly valve rotation-based method for adjusting air volume of a pulverized coal pipe, which achieves the purposes of preventing jamming and saving labor by using rotation of a shaft to replace a drawing mode for adjustment. The butterfly valves distributed around the outer ring are arranged around the outer ring of the central hole for adjusting the air quantity of the powder pipe in a ring-shaped distribution mode, so that the opening angles of the butterfly valves are adjusted by the butterfly valves distributed around the outer ring through the corresponding rotating adjusting shafts on the premise of ensuring the existence of the central circulation hole.
Description
Technical Field
The invention relates to the technical field of pulverized coal pipe air volume adjustment, in particular to a method for adjusting pulverized coal pipe air volume based on partition butterfly valve rotation.
Background
Along with the increase of the domestic coal burner group, the diameter of the pulverized coal pipe is increased, and the adjustable shrinkage cavity corresponding to the air quantity of the pulverized coal pipe is also increased. The existing adjustable shrinkage cavity utilizes a group of screw rods to adjust two gate plates to move horizontally to open and close, but along with daily accumulation and monthly accumulation, particulate matters such as pulverized coal in the powder pipe are clamped at the gap between the gate plates and the gap between screw threads, and even are clamped, so that the method has no other method except the method of disassembling and cleaning the accumulated powder and foreign matters in the powder pipe, and the air volume adjustment of the powder pipe is very difficult.
Disclosure of Invention
Aiming at the problems, the invention provides a partition-butterfly-valve-based method for adjusting the air volume of a pulverized coal pipe in a rotating mode, which achieves the purposes of preventing jamming and saving labor by utilizing the rotation of a shaft to replace a drawing mode for adjustment.
A method for adjusting the air volume of a pulverized coal pipe based on partition butterfly valve rotation is characterized by comprising the following steps: the butterfly valves distributed around the outer ring are arranged around the outer ring of the central hole for adjusting the air quantity of the powder pipe in a ring-shaped distribution mode, so that the opening angles of the butterfly valves are adjusted by the butterfly valves distributed around the outer ring through the corresponding rotating adjusting shafts on the premise of ensuring the existence of the central circulation hole.
It is further characterized in that:
the plurality of rotary butterfly valves are enclosed to form a closed annular structure in a closed state;
the outer convex of each rotary adjusting shaft is connected with the annular wall of the valve body in a synchronous driving mode through a rotary structure, so that the opening degree of all the valve bodies is the same.
Device based on partition butterfly valve rotation regulation buggy pipe amount of wind, its characterized in that, it includes:
the valve body is of a cylindrical barrel or a cone frustum structure;
a butterfly valve support frame;
the butterfly valve comprises a plurality of sheet-shaped butterfly valves, a plurality of sealing rings and a plurality of sealing rings, wherein each sheet-shaped butterfly valve comprises an arc-shaped butterfly valve body with a certain radian and a rotating shaft, and all the arc-shaped butterfly valve bodies are spliced to form a closed ring structure in a closed state;
a transmission gear;
an annular ring gear;
and a manual adjustment dial;
the butterfly valve support frame is fixedly arranged at the radial center of a section position of the inner cavity of the valve body in the vertical axial direction, the center of the butterfly valve support frame is a through butterfly valve center through hole, a plurality of butterfly valve inner rotating hole grooves are annularly distributed on the periphery of the outer ring of the butterfly valve support frame, a plurality of butterfly valve outer rotating hole grooves are formed in the ring wall of the valve body at the corresponding position, the butterfly valve inner rotating hole grooves and the butterfly valve outer rotating hole grooves are correspondingly arranged one by one to form corresponding pairs of positioning holes equal to the number of the rotating shafts, the inner ends of the corresponding rotating shafts are inserted into the butterfly valve inner rotating hole grooves and are rotatably arranged, the outer ends of the corresponding rotating shafts are inserted into the butterfly valve outer rotating hole grooves, are rotatably arranged and are protruded outwards, and the convex part at the outer end of each rotating shaft is fixedly sleeved with the transmission gear;
the periphery of the valve body is further provided with a manual adjusting rotary table and an annular gear ring, the output end of the manual adjusting rotary table is meshed with the annular gear ring through a gear, and teeth at corresponding positions of the annular gear ring are respectively meshed with the transmission gears.
It is further characterized in that:
the inner wall of the annular gear ring is provided with a plurality of supporting pulleys respectively, a plurality of supporting pulley frames are annularly distributed on the periphery of the valve body, the supporting pulley frames are provided with corresponding supporting pulleys, and the inner annular wall of the annular gear ring is arranged in a manner of being attached to the outer rolling surface of the supporting ring wheel;
the inner ring wall of the annular gear ring is provided with an inner ring guide groove, and the outer rolling surface of the supporting pulley is embedded in the inner ring guide groove, so that the annular gear ring is prevented from moving in an offset manner;
the outer ring wall of the butterfly valve supporting frame is provided with at least one convex butterfly valve partition supporting arm, the outer end of the butterfly valve partition supporting arm is fixedly connected to the inner ring wall of the valve body, and the butterfly valve partition supporting arm is arranged in a staggered mode with the arc butterfly valve body in the axial direction, so that the arc butterfly valve body is prevented from interfering with the butterfly valve partition supporting arm when being opened and closed;
the outer convex end of one of the rotating shafts is fixedly connected with the shaft end of the manual adjusting turntable, so that the structure is convenient to assemble, and extra gears do not need to be additionally arranged;
a connecting disc is fixedly arranged at the shaft end of the manual adjusting rotary disc or on a corresponding rotating shaft, a pointer and a locking hole are arranged on the connecting disc, a sector dial is fixedly arranged at the position, corresponding to the connecting disc, of the periphery of the valve body, an inwards concave locking groove is formed in the position, corresponding to the cambered surface of the locking hole, of the sector dial, and a locking screw penetrates through the locking hole and then is pressed down to be locked in the inwards concave locking groove to complete angle locking;
preferably, the locking holes of the connecting disc comprise an opening limit locking hole and a Guan Xianwei locking hole, and the opening limit locking hole and the Guan Xianwei locking hole are matched with the locking screw and the concave locking groove to limit full opening and full closing under the combined action, and meanwhile, the opening degree can be fixed under any scale in the range.
After the invention is adopted, a plurality of rotary butterfly valves are arranged on the periphery of the outer ring of the central hole for adjusting the air quantity of the powder pipe in a ring-shaped distribution mode, on the premise of ensuring that a central circulation hole exists, the butterfly valves distributed around the outer ring adjust the opening angles of the butterfly valves through respective corresponding rotary adjusting shafts, the central circulation hole of the butterfly valve ensures that powder air passes through the butterfly valves in the period, when in use, the corresponding opening and closing degrees can be adjusted by rotating the adjusting shafts to adjust the opening angles of the butterfly valves, the aim of preventing blocking and saving labor is achieved by utilizing the rotation of the shafts to replace the pulling mode for adjustment, and the problem that the corresponding adjusting device cannot be adjusted normally due to the fact that the gaps of a pulling adjusting screw rod and a shutter plate are blocked by foreign matters such as coal powder and the like is solved.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a partial enlarged structural view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a partially enlarged view of fig. 3 at B.
Detailed Description
A method for adjusting the air volume of a pulverized coal pipe based on partition butterfly valve rotation comprises the following steps: the butterfly valves with multiple rotary pieces are arranged on the periphery of an outer ring of a central hole for adjusting the air quantity of the powder pipe in an annular distribution mode, and the opening angle of the butterfly valves is adjusted by the butterfly valves distributed around the outer ring through corresponding rotary adjusting shafts on the premise that a central circulation hole is ensured.
When the rotary butterfly valve is implemented specifically, a plurality of rotary butterfly valves are enclosed to form a closed annular structure in a closed state; the outer side of each rotary adjusting shaft protrudes out of the annular wall of the valve body and is synchronously driven and connected through a rotary structure, so that the opening degree of all the valve bodies is the same.
The device for adjusting the air quantity of the pulverized coal pipe based on the rotation of the partition butterfly valve is shown in figures 1-5 and comprises: the valve comprises a valve body 1, a butterfly valve support frame 2, a plurality of sheet butterfly valves 3, a transmission gear 4, an annular gear ring 7 and a manual adjusting rotary disc 5;
the valve body 1 is a cylindrical barrel or a cone frustum structure;
each sheet-shaped butterfly valve 3 comprises an arc butterfly valve body 31 with a certain radian and a rotating shaft 33, and all the arc butterfly valve bodies 31 are spliced to form a closed circular ring structure in a closed state;
the radial center of a section position of the inner cavity of the valve body 1 in the vertical axial direction is fixedly provided with a butterfly valve support frame 2, the center of the butterfly valve support frame 2 is a through butterfly valve center through hole 23, a plurality of butterfly valve inner rotating hole grooves 21 are annularly distributed on the outer ring circumference of the butterfly valve support frame 2, a plurality of butterfly valve outer rotating hole grooves 11 are arranged on the ring wall of the valve body 1 in the corresponding position, the butterfly valve inner rotating hole grooves 21 and the butterfly valve outer rotating hole grooves 11 are correspondingly arranged one by one to form corresponding pair positioning holes equal to the number of the rotating shafts 33, the inner ends of the corresponding rotating shafts 33 are inserted in the butterfly valve inner rotating hole grooves 21 and are rotatably arranged, the outer ends of the corresponding rotating shafts 33 are inserted in the butterfly valve outer rotating hole grooves 11 and are rotatably arranged and protrude outwards, and a transmission gear 4 is fixedly sleeved on the outer end protruding part of each rotating shaft 33;
the periphery of the valve body 1 is further provided with a manual adjusting rotary disc 5 and an annular gear ring 7, the output end of the manual adjusting rotary disc 5 is meshed with the annular gear ring 7 through a gear, and teeth at corresponding positions of the annular gear ring 7 are respectively meshed with the transmission gears 4 to be arranged.
In specific implementation, the inner wall of the annular gear ring 7 is respectively provided with a plurality of supporting pulleys 81, the outer circumference of the valve body 1 is annularly provided with a plurality of supporting pulley frames 8, the supporting pulley frames 8 are provided with corresponding supporting pulleys 81, and the inner annular wall of the annular gear ring 7 is arranged by being attached to the outer rolling surface of the supporting pulley 81;
the inner ring wall of the annular gear ring 7 is provided with an inner ring guide groove 71, and the outer rolling surface of the supporting pulley 81 is embedded in the inner ring guide groove 71, so that the annular gear ring 7 is prevented from moving in an offset manner;
the outer annular wall of the butterfly valve support frame 2 is provided with at least one raised butterfly valve partition support arm 22, the outer end of the butterfly valve partition support arm 22 is fixedly connected to the inner annular wall of the valve body 1, and the butterfly valve partition support arm 22 is arranged in a staggered manner with the arc butterfly valve body 31 in the axial direction, so that the arc butterfly valve body 31 is ensured not to interfere with the butterfly valve partition support arm 22 when being opened and closed;
the outer convex end of one of the rotating shafts 33 is fixedly connected with the shaft end of the manual adjusting turntable 5, so that the structure is convenient to assemble, and extra gears do not need to be arranged;
a connecting disc 51 is fixedly arranged at the shaft end of the manual adjusting rotary disc 5 or a corresponding rotating shaft, a pointer 63 and a locking hole are arranged on the connecting disc 51, a dial 6 is fixedly arranged at the position, corresponding to the connecting disc 51, of the periphery of the valve body 1, an inwards concave locking groove 62 is formed in the position, corresponding to the cambered surface of the locking hole, of the dial 6, and a locking screw 66 penetrates through the locking hole and then is pressed down to be locked in the inwards concave locking groove 62 to complete angle locking;
in a specific embodiment, the locking holes of the connecting disc 51 comprise opening limit locking holes 64 and Guan Xianwei locking holes 65, the opening limit locking holes 64 and Guan Xianwei locking holes 65 are matched with locking screws 66 and locking grooves 62 to limit full opening and full closing, the opening degree can be fixed under any scale in the range, and the pointer 63 points to the scale on the scale 61 to indicate the real-time opening degree of the arc butterfly valve sheet body 31, so that the purpose of controlling the air volume is achieved.
In the specific embodiment, when the sheet butterfly valve 3 is fully closed, the central through hole 23 of the butterfly valve can ensure that the powder air can pass through the central through hole, when the sheet butterfly valve 3 is fully closed, the manual adjusting rotary disc 5 is rotated to enable the arc butterfly valve sheet bodies 31 to rotate through one of the rotating shafts 33 to change the pipe flow area to change the powder air flow, and meanwhile, the kinetic energy is transmitted to the other two transmission gears 4 through the transmission gear 4 and the annular gear ring 7 to enable all the arc butterfly valve sheet bodies 31 to realize synchronous opening adjustment. When the opening degree is adjusted, the fan-shaped dial 6, the graduated scale 61, the locking groove 62, the opening limit locking holes 64 and Guan Xianwei locking hole 65 are matched with the locking screw 66 to limit the full opening and the full closing under the combined action, and meanwhile, the opening degree can be fixed under any graduation in the range. Because it is rotating and not pulling, there is no concern about sealing and jamming problems.
The valve body 1 is made of high-chromium tungsten-nickel alloy cast iron, the inner surface of which is pasted with a ceramic wear-resistant layer, and the ceramic wear-resistant layer comprises a butterfly valve outer rotating hole groove 11 and a connecting flange 12 and is a main carrier of the design;
the outer rotary hole grooves 11 of the butterfly valve are distributed on the wall surface of the valve body 1 in a 360-degree trisection structure, and are used for fixing the arc butterfly valve sheet body 31 by combining the inner rotary hole groove 21 of the butterfly valve and the rotating shaft 33 and rotating by taking the outer rotary hole groove 11 of the butterfly valve and the inner rotary hole groove 21 of the butterfly valve as centers;
the connecting flange 12 is used for fixing the valve body 1 on a pulverized coal pipeline;
the butterfly valve partition supporting frame 2 is made of high-chromium tungsten-nickel alloy cast iron, the surface of the butterfly valve partition supporting frame is pasted with a ceramic wear-resistant layer, the butterfly valve partition supporting frame structurally comprises a middle butterfly valve inner rotating hole groove 21, a butterfly valve partition supporting arm 22 and a butterfly valve center through-flow hole 23, a hole is designed in the middle of the included angle of the two butterfly valve inner rotating hole grooves 21 and serves as a 3-piece butterfly valve 3 rotating center shaft, and the butterfly valve partition supporting arm 22 and the inner wall of the valve body 1 are fixedly welded;
the inner butterfly valve rotation hole slot 21 is used for fixing the arc butterfly valve sheet body 31 by matching with the outer butterfly valve rotation hole slot 11 and the rotation shaft 33, and simultaneously rotating by taking the outer butterfly valve rotation hole slot 11 and the inner butterfly valve rotation hole slot 21 as centers, so that trisected annular sector areas and center circular holes are formed in the inner wall of the pipe;
the butterfly valve partition supporting arm 22 is made of high-chromium tungsten-nickel alloy cast iron, the surface of the high-chromium tungsten-nickel alloy cast iron is pasted with a ceramic wear-resistant layer, the outer end of the butterfly valve partition supporting arm 22 is outwards distributed in a trisection manner by 360 degrees by taking the center through hole 23 of the butterfly valve as a circle center, and the butterfly valve partition supporting arm is used for welding the outer end of the butterfly valve partition supporting arm 22 and the inner wall of the valve body 1 together to form a trisection annular fan-shaped area and a center circular hole on the inner wall of the pipe by the butterfly valve partition supporting frame 2;
the center through-flow hole 23 of the butterfly valve is made of high-chromium tungsten-nickel alloy cast iron, and a ceramic wear-resistant layer is attached to the surface of the high-chromium tungsten-nickel alloy cast iron, so that when all the sheet butterfly valves 3 are closed, the minimum amount of powder air can pass through the hole;
the flaky butterfly valves 3 are made of high-chromium tungsten-nickel alloy cast iron, the ceramic wear-resistant layers are adhered to the surfaces of the flaky butterfly valves 3, the flaky butterfly valves are distributed in the valve body 1 in a trisection manner at 360 degrees, and each flaky butterfly valve 3 comprises an arc butterfly valve body 31, a rotating supporting point 32 and a rotating shaft 33 and has the function of blocking the powder wind to enable the powder wind to change the flow in the powder pipe along with the state of the arc butterfly valve body 31;
the arc butterfly valve sheet body 31 is made of high-chromium tungsten-nickel alloy cast iron, the surface of the arc butterfly valve sheet body is pasted with a ceramic wear-resistant layer, the arc butterfly valve sheet body is distributed in a trisection manner within the valve body 1 by 360 degrees, the arc butterfly valve sheet body is positioned in a butterfly valve inner rotating hole groove 21 in the middle of an included angle between two butterfly valve partition supporting arms 22, and rotating shafts of the three butterfly valve sheets 3 can easily rotate as rotating shafts respectively by combining with a butterfly valve outer rotating hole groove 11;
the rotary supporting points 32 are made of steel materials, are adhered with ceramic wear-resistant layers on the surfaces of the steel materials, are distributed on the edges of the central through holes 23 of the butterfly valves in a 360-degree trisection mode, are positioned between the included angles of the two adjacent partition supporting arms 22 of the butterfly valves and are used as one fulcrum of the arc butterfly valve body 31, and the arc butterfly valve body 31 is fixed and can rotate;
the three-sheet butterfly valve 3 is distributed in the valve body 1 in a trisection manner at 360 degrees, the arc butterfly valve sheet body 31 and the rotary supporting point 32 are designed into a whole, and the function is that two ends of the three-sheet butterfly valve are fixed in the butterfly valve outer rotary hole groove 11 and the butterfly valve inner rotary hole groove 21, so that the arc butterfly valve sheet body 31 rotates by taking a corresponding rotary shaft as a center;
the transmission gears 4 are made of 35# gear steel and are in the shape of bevel gears and are positioned at the outer ends of the corresponding rotating shafts, one rotating shaft rotates to transmit kinetic energy to the annular gear ring 7, and then the kinetic energy is transmitted to the other two transmission gears 4 again by the annular gear ring 7 to drive the sheet-shaped butterfly valves 3, so that all the arc-shaped butterfly valve sheets 31 are synchronously adjusted;
the manual adjusting turntable 5 is made of cast iron and is fixed at the outermost end of the rotating central shaft of the 3-sheet butterfly valve 3, and the manual adjusting turntable drives the rotating shaft, the arc butterfly valve sheet body 31, the transmission gear 4, the annular gear ring 7, the locking groove 62, the pointer 63 and other related parts to synchronously rotate;
the sector dial 6 is made of steel, and the upper surface of the sector structure is provided with a graduated scale 61 which is connected with the sector dial
The locking screw 66 is made of steel, is arranged in a screw hole on the starting end edge of the fan-shaped dial 6, is matched with the end of the arc-shaped locking groove 62 to limit the maximum opening of the arc-shaped butterfly valve sheet body 31, and can lock the opening of the arc-shaped butterfly valve sheet body 31 when being screwed down, so that the opening of the arc-shaped butterfly valve sheet body 31 is fixed at a certain value;
the annular gear ring 7 is made of 35# gear steel and is positioned on the outer ring of the valve body 1, the valve body comprises transmission teeth and an inner ring guide groove 71, the transmission teeth are partially meshed with the transmission gear 4, and meanwhile, under the action of fixed support of the supporting pulley frame 8 and the supporting pulley 81, kinetic energy is transmitted to other arc butterfly valve sheet bodies 31, so that the aim of synchronous control of some arc butterfly valve sheet bodies 31 is fulfilled;
the inner ring guide groove 71 is positioned on the inner side surface of the annular gear ring 7 and is used for embedding the supporting pulleys 81 which are uniformly distributed on the outer ring of the valve body 1 into the inner ring guide groove 71 so that the annular gear ring 7 only runs towards one direction when rotating;
the supporting pulley yoke 8 is made of medium carbon steel, is welded and fixed on the outer ring of the valve body 1 in a 360-degree six-equal-distribution manner, and the top end of the supporting pulley yoke 8 is provided with a supporting pulley 81;
the supporting pulley 81 is made of medium carbon steel and is positioned at the top end of the supporting pulley frame 8, and the top of the supporting pulley is embedded into the inner ring guide groove 71 on the inner side surface of the annular gear ring 7, so that the annular gear ring 7 can only move towards one direction at the same time, the purpose of kinetic energy transmission is achieved, and the purpose of synchronous control is achieved.
The butterfly valves with the rotation of the shafts are used for replacing the drawing mode to adjust the purposes of preventing clamping and saving labor, the problem that the traditional adjustable shrinkage hole is blocked by foreign matters such as coal dust and the like due to the fact that the drawing adjusting screw and the gap of the gate plate are blocked by the traditional adjustable shrinkage hole is solved, and the problem that the corresponding adjusting device cannot be blocked and cannot be adjusted normally due to the fact that the corresponding adjusting device cannot be generated is solved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A method for adjusting the air volume of a pulverized coal pipe based on partition butterfly valve rotation is characterized by comprising the following steps: the butterfly valves distributed around the outer ring are arranged around the outer ring of the central hole for adjusting the air quantity of the powder pipe in a ring-shaped distribution mode, so that the opening angles of the butterfly valves are adjusted by the butterfly valves distributed around the outer ring through the corresponding rotating adjusting shafts on the premise of ensuring the existence of the central circulation hole.
2. The method for adjusting the air volume of the pulverized coal pipe based on the rotation of the partition butterfly valve as claimed in claim 1, wherein the method comprises the following steps: the plurality of rotary butterfly valves are enclosed to form a closed annular structure in a closed state.
3. The method for adjusting the air volume of the pulverized coal pipe based on the rotation of the partition butterfly valve as claimed in claim 2, wherein the method comprises the following steps: the outer side of each rotary adjusting shaft protrudes out of the annular wall of the valve body and is synchronously driven and connected through a rotary structure, so that the opening degree of all the valve bodies is the same.
4. Device based on partition butterfly valve rotation regulation buggy pipe amount of wind, its characterized in that, it includes:
the valve body is of a cylindrical barrel or a cone frustum structure;
a butterfly valve support frame;
the butterfly valve comprises a plurality of sheet-shaped butterfly valves, a plurality of sealing rings and a plurality of sealing rings, wherein each sheet-shaped butterfly valve comprises an arc-shaped butterfly valve body with a certain radian and a rotating shaft, and all the arc-shaped butterfly valve bodies are spliced to form a closed ring structure in a closed state;
a transmission gear;
an annular ring gear;
and a manual adjustment dial;
the butterfly valve support frame is fixedly arranged at the radial center of a section position of the inner cavity of the valve body in the vertical axial direction, the center of the butterfly valve support frame is a through butterfly valve center through hole, a plurality of butterfly valve inner rotating hole grooves are annularly distributed on the periphery of the outer ring of the butterfly valve support frame, a plurality of butterfly valve outer rotating hole grooves are formed in the ring wall of the valve body at the corresponding position, the butterfly valve inner rotating hole grooves and the butterfly valve outer rotating hole grooves are correspondingly arranged one by one to form corresponding pairs of positioning holes equal to the number of the rotating shafts, the inner ends of the corresponding rotating shafts are inserted into the butterfly valve inner rotating hole grooves and are rotatably arranged, the outer ends of the corresponding rotating shafts are inserted into the butterfly valve outer rotating hole grooves, are rotatably arranged and are protruded outwards, and the convex part at the outer end of each rotating shaft is fixedly sleeved with the transmission gear;
the periphery of the valve body is further provided with a manual adjusting rotary table and an annular gear ring, the output end of the manual adjusting rotary table is meshed with the annular gear ring through a gear, and teeth at corresponding positions of the annular gear ring are respectively meshed with the transmission gears.
5. The device for regulating the air quantity of a pulverized coal pipe based on the rotation of a partition-based butterfly valve as claimed in claim 4, wherein: the inner wall of the annular gear ring is provided with a plurality of supporting pulleys respectively, a plurality of supporting pulley racks are annularly distributed on the outer periphery of the valve body, corresponding supporting pulleys are arranged on the supporting pulley racks, and the inner annular wall of the annular gear ring is attached to the outer rolling surface of each supporting ring wheel.
6. The device for regulating the air volume of a pulverized coal pipe based on the rotation of a partition butterfly valve as claimed in claim 5, wherein: the inner ring wall of the annular gear ring is provided with an inner ring guide groove, and the outer rolling surface of the supporting pulley is embedded in the inner ring guide groove.
7. The device for regulating the air volume of a pulverized coal pipe based on the rotation of a partition butterfly valve as claimed in claim 4, wherein: the outer ring wall of the butterfly valve support frame is provided with at least one raised butterfly valve partition support arm, the outer end of the butterfly valve partition support arm is fixedly connected with the inner ring wall of the valve body, and the butterfly valve partition support arm and the arc butterfly valve sheet body are arranged in a staggered mode in the axial direction.
8. The device for regulating the air volume of a pulverized coal pipe based on the rotation of a partition butterfly valve as claimed in claim 4, wherein: the outer convex end of one of the rotating shafts is fixedly connected with the shaft end of the manual adjusting turntable.
9. The device for regulating the air volume of a pulverized coal pipe based on the rotation of a partition butterfly valve as claimed in claim 8, wherein: the manual regulation carousel axle head or the axis of rotation that corresponds set firmly the connection pad, be provided with pointer, locking hole on the connection pad, the periphery of valve body is equipped with fan-shaped calibrated scale corresponding to the position of connection pad admittedly, fan-shaped calibrated scale is provided with the lock of indent and attaches the groove corresponding to the cambered surface position of locking hole, presses down the lock after the lock attaches the screw and attaches in the lock of indent attaches the inslot, accomplishes the angle lock and attaches.
10. The device for regulating the air volume of a pulverized coal pipe based on the rotation of a partition butterfly valve as claimed in claim 9, wherein: the locking holes of the connecting disc comprise an open limit locking hole and a Guan Xianwei locking hole, the open limit locking hole and the Guan Xianwei locking hole are matched with locking screws and concave locking grooves to limit full opening and full closing under the combined action, and meanwhile, the opening degree can be fixed under any scale in the range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211142677.XA CN115467986A (en) | 2022-09-20 | 2022-09-20 | Method and device for adjusting air volume of pulverized coal pipe based on partition butterfly valve rotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211142677.XA CN115467986A (en) | 2022-09-20 | 2022-09-20 | Method and device for adjusting air volume of pulverized coal pipe based on partition butterfly valve rotation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115467986A true CN115467986A (en) | 2022-12-13 |
Family
ID=84333484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211142677.XA Pending CN115467986A (en) | 2022-09-20 | 2022-09-20 | Method and device for adjusting air volume of pulverized coal pipe based on partition butterfly valve rotation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115467986A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206265875U (en) * | 2016-11-28 | 2017-06-20 | 南阳市鑫瑞达精密制造有限公司 | A kind of adjustable shrinkage device |
| CN108458156A (en) * | 2018-01-08 | 2018-08-28 | 致和环境科技（江苏）有限公司 | A kind of leafy round regulating valve |
| CN208205052U (en) * | 2018-04-25 | 2018-12-07 | 国电科学技术研究院有限公司 | A kind of regulating device of tube cell wind powder speed |
| CN109630695A (en) * | 2018-12-10 | 2019-04-16 | 彩虹（合肥）液晶玻璃有限公司 | A kind of air circuit breaker valve and grinder |
| EP3477165A1 (en) * | 2017-10-30 | 2019-05-01 | Aereco | Control valve with iris and planetary gearset |
| CN112361018A (en) * | 2020-09-25 | 2021-02-12 | 广东百威电子有限公司 | Mechanical regulating valve and regulating valve body device |
| CN113090780A (en) * | 2021-03-29 | 2021-07-09 | 浙江理工大学 | Valve opening and closing structure and valve |
| CN217154241U (en) * | 2022-04-13 | 2022-08-09 | 哈尔滨驰远电力设备工程有限公司 | Multi-element adjustable pulverized coal distributor |
| CN217381656U (en) * | 2022-03-14 | 2022-09-06 | 中国航发商用航空发动机有限责任公司 | Flow regulation assembly and core machine system |
-
2022
- 2022-09-20 CN CN202211142677.XA patent/CN115467986A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206265875U (en) * | 2016-11-28 | 2017-06-20 | 南阳市鑫瑞达精密制造有限公司 | A kind of adjustable shrinkage device |
| EP3477165A1 (en) * | 2017-10-30 | 2019-05-01 | Aereco | Control valve with iris and planetary gearset |
| CN108458156A (en) * | 2018-01-08 | 2018-08-28 | 致和环境科技（江苏）有限公司 | A kind of leafy round regulating valve |
| CN208205052U (en) * | 2018-04-25 | 2018-12-07 | 国电科学技术研究院有限公司 | A kind of regulating device of tube cell wind powder speed |
| CN109630695A (en) * | 2018-12-10 | 2019-04-16 | 彩虹（合肥）液晶玻璃有限公司 | A kind of air circuit breaker valve and grinder |
| CN112361018A (en) * | 2020-09-25 | 2021-02-12 | 广东百威电子有限公司 | Mechanical regulating valve and regulating valve body device |
| CN113090780A (en) * | 2021-03-29 | 2021-07-09 | 浙江理工大学 | Valve opening and closing structure and valve |
| CN217381656U (en) * | 2022-03-14 | 2022-09-06 | 中国航发商用航空发动机有限责任公司 | Flow regulation assembly and core machine system |
| CN217154241U (en) * | 2022-04-13 | 2022-08-09 | 哈尔滨驰远电力设备工程有限公司 | Multi-element adjustable pulverized coal distributor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022205129A1 (en) | Valve opening and closing structure and valve | |
| CN209754998U (en) | cast flange installation auxiliary device with adjustable butterfly valve is special | |
| CN103075527A (en) | Adjusting valve applied to large-scale pipeline | |
| CN108799531A (en) | A kind of aperture-type air register | |
| EP0039112B1 (en) | Valve closure and check valve embodying the same | |
| US5150737A (en) | Ceramic discs for taps and taps equipped with such discs | |
| CN107917243B (en) | Rotary three-way valve | |
| CN115467986A (en) | Method and device for adjusting air volume of pulverized coal pipe based on partition butterfly valve rotation | |
| CN208919365U (en) | A kind of aperture-type air register | |
| CN109630778B (en) | Universal connecting device for rotating pipeline | |
| CN111963703A (en) | Drainage current-limiting adjusting device | |
| CN208442197U (en) | A kind of adjustable damper of damping | |
| CN207921362U (en) | Self-compensation type anti-leak charge head with flow regulating function | |
| CN110454583B (en) | Flow regulating joint | |
| US3485475A (en) | Spherical rotary valve | |
| CN208903511U (en) | Magnetic force teaching demonstration device | |
| CN110398357A (en) | A kind of closed duplex tripod type universal coupling efficiency test device | |
| CN209340527U (en) | A kind of butterfly valve of strong applicability | |
| CN217874221U (en) | Butterfly valve body | |
| CN113586748A (en) | Valve capable of quantitatively adjusting fluid flow and adjusting method thereof | |
| CN107023619B (en) | Curved surface cone pulley steel ball stepless speed changer | |
| CN217328507U (en) | Wear-resistant butterfly valve of power plant | |
| CN216279481U (en) | Pipeline conveying valve device | |
| CN214367791U (en) | Butterfly valve with small operating torque and convenient maintenance | |
| CN217122222U (en) | Pipe fitting welding set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |