CN109704078A - High-pressure rotary valve - Google Patents
High-pressure rotary valve Download PDFInfo
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- CN109704078A CN109704078A CN201711012010.7A CN201711012010A CN109704078A CN 109704078 A CN109704078 A CN 109704078A CN 201711012010 A CN201711012010 A CN 201711012010A CN 109704078 A CN109704078 A CN 109704078A
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Abstract
The present invention provides a kind of high-pressure rotary valve, including valve body, and it is circular inner cavity that the inside of valve body, which has cross section, and top opens up feed inlet, and bottom opens up discharge port, and the pressure of discharge outlet is greater than the pressure at the feed inlet.Interior intracavitary setting rotor, the outer periphery of rotor axially uniformly opens up material trough, slot tooth is formed between adjacent material trough, linear seal groove is opened up on each slot tooth, line seal item seat is installed in it, and line seal item is fixedly mounted, the outer end face of line seal item and the inner wall tensioner of valve body seal.Left end cap and right end cap is fixedly mounted in the both ends of valve body, and rotor is rotated by motor, and the both ends of rotor are respectively provided with Left-Hand Panel and right panel, is sealed between the two and valve body by sealing structure.Gas vent is opened up on valve body, connects exhaust pipe on gas vent.High-pressure rotary valve of the invention can effectively realize the material conveying from the low pressure feed mouth of valve to high pressure discharge port, and material transfer efficiency is high, and it is convenient to operate.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of high-pressure rotary valve.
Background technique
In the prior art, the hopper that feeding device generally includes conveyer belt and is arranged in equipment, material are defeated by conveyer belt
It send to hopper, then falls in hopper, then enter inside equipment from the discharge port of hopper and processed.Such charging
Mode requires the pressure inside equipment no more than the pressure of the discharge outlet of hopper.Since the discharge outlet of hopper is usually normal
Pressure, therefore, equipment internal pressure require pressure to be not more than normal pressure.
However, in the prior art, it is frequently present of the case where equipment internal pressure is higher than the discharge outlet pressure of hopper, this
When, since there are positive differential pressure, conventional feeding device, which can not be successfully, to be processed inside the defeated feed arrangement of material, lead to not
Quickly and easily realize charging.
I.e. when the pressure of the discharge outlet of valve be greater than feed inlet at pressure when, material conveying become difficult, therefore, have
Necessity designs a kind of novel valve, defeated to meet material when the pressure of discharge outlet of valve is greater than the pressure at feed inlet
Send demand.
Summary of the invention
The purpose of the present invention is to provide a kind of high-pressure rotary valves, can effectively realize from the low pressure feed mouth of valve to height
The material conveying of material mouth is extruded, and material transfer efficiency is high, it is convenient to operate.
To achieve the above object, the invention adopts the following technical scheme:
High-pressure rotary valve, including valve body, it is circular inner cavity, the top of the valve body that the inside of the valve body, which has cross section,
Portion opens up feed inlet, and bottom opens up discharge port, and the pressure of the discharge outlet is greater than the pressure at the feed inlet；
The outer periphery of the rotor of the interior intracavitary axially disposed cylinder, the rotor axially uniformly opens up several objects
Hopper forms slot tooth between the adjacent material trough, opens up linear seal groove respectively on each slot tooth, described close
Line seal item seat is installed in sealing groove, and line seal item is fixedly installed with by the line seal item seat, the straight line is close
The inner wall tensioner of the outer end face of strip of paper used for sealing and the valve body seals；
Left end cap and right end cap, the center difference of the left end cap and right end cap is fixedly mounted in the both ends of the valve body respectively
Left axle hole and right axle hole are opened up, the drive shaft of motor is each passed through the left axle hole and right axle hole and the rotor is driven to rotate；
The both ends of the rotor are respectively provided with Left-Hand Panel and right panel, between the Left-Hand Panel and right panel and the valve body
It is sealed by sealing structure；
Gas vent is opened up on the valve body, is connected with exhaust pipe on the gas vent.
According to the present invention, the drive shaft of the motor includes driving shaft and driven shaft, and the driving shaft passes through the left axle
Hole, and being fixedly connected with the left end of the Left-Hand Panel and the rotor, the driven shaft pass through the right axle hole, and with it is described
Right panel is fixedly connected with the right end of the rotor.
According to the present invention, the center of the rotor have axially through first through hole, the Left-Hand Panel and right side
The center of plate is respectively provided with the second through-hole, has the first groove, the left side of the driven shaft on the right side of the driving shaft
It is upper that there is the second groove, wear push rod in the first through hole, the both ends of the push rod are each passed through second through-hole and embedding
Enter in first groove and the second groove；
The push rod successively includes coaxial first segment, the first rotary table, second segment, the second rotary table and third from left to right
Section, the big end of first rotary table are fixedly connected with the first segment, and small end is fixedly connected with the second segment, second circle
The big end of platform is fixedly connected with the second segment, and small end is fixedly connected with the third section；The outside of the first segment is arranged bullet
Spring, the spring are compressed between the bottom surface of first groove and the big end of the first rotary table；
Two third through-holes are opened up between the bottom of the seal groove and the first through hole respectively, in the third through-hole
Mandril is installed, the bottom end face contact of the top end face of the mandril and the seal receptacle is simultaneously mutually held out against, and bottom end is with conical head
Portion, the conical head are born against on the conical surface of first rotary table and the second rotary table.
According to the present invention, the right end of the driving shaft has the first connecting plate, and the left end of the driven shaft has second to connect
Fishplate bar, first connecting plate, Left-Hand Panel are fixedly connected with the left end of rotor；Second connecting plate, right panel and turn
The right end of son is fixedly connected.
According to the present invention, first side gasket is set between first connecting plate and the inner wall of the valve body, it is described
First side gasket base is set between left end cap and the first side gasket, and bolt passes through the left end cap, and squeezes into
In the first side gasket base, the first side gasket is compressed by nut；
Between second connecting plate and the inner wall of the valve body be arranged second side gasket, the right end cap with it is described
Second side gasket base is set between the gasket of side, and bolt passes through the right end cap, and squeezes into the second side sealing
In base, the second side gasket is compressed by nut.
According to the present invention, the first stuffing-box is set between the periphery of the driving shaft and the left end cap, and described first fills out
Expect to fill filler in the cavity between letter and the driving shaft, and is compressed and sealed by gland；
Second stuffing-box is set between the periphery of the driven shaft and the right end cap, second stuffing-box and it is described from
Filler is filled in cavity between moving axis, and is compressed and sealed by gland.
According to the present invention, the left end of the driving shaft is arranged drive shaft bearing, and the left side of the left end cap is fixedly mounted the
One bearing mounting plate, the bearing block of the drive shaft bearing are fixed on the first bearing mounting plate, a left side for the bearing block
Speed reducer mounting plate is fixedly installed in side, is equipped with decelerating motor by the speed reducer mounting plate, the driving shaft subtracts with described
Speed motor connects；
Driven axle bearing is arranged in the right end of the driven shaft, and second bearing installation is fixedly mounted in the right side of the right end cap
Plate, the bearing block of the driven axle bearing are fixed on the second bearing mounting plate.
According to the present invention, the drive shaft bearing and driven axle bearing are the roller bearing units with bearing block.
According to the present invention, correspondingly, described respectively along the axial horizontal distribution of the valve body there are two the gas vents
Exhaust pipe has two.
According to the present invention, the reinforcing rib of several connection valve bodies is respectively set in the inlet port and outlet port.
Compared with prior art, the present invention has following advantageous effects:
High-pressure rotary valve of the invention can be realized effectively defeated from the material of low pressure feed mouth to the high pressure discharge port of valve
It send, and material transfer efficiency is high, it is convenient to operate, and can solve the problems, such as to feed into high-tension apparatus or pipeline in the prior art.
Detailed description of the invention
Fig. 1 is the horizontal section schematic diagram of the high-pressure rotary valve of one embodiment of the invention.
Fig. 2 is the longitudinal profile schematic diagram of the high-pressure rotary valve of one embodiment of the invention.
Fig. 3 is the schematic diagram in A-A direction of Fig. 1.
Fig. 4 is that there are two exhaust pipe schematic diagrames when exhaust outlet for tool in Fig. 2.
Fig. 5 is the horizontal section schematic diagram of the high-pressure rotary valve of second embodiment of the invention.
Fig. 6 is the longitudinal profile schematic diagram of the high-pressure rotary valve of second embodiment of the invention.
Fig. 7 is the structural schematic diagram of push rod.
Fig. 8 is the scheme of installation of line seal item seat and line seal item.
In figure: 1- valve body, 2- feed pipe, 3- discharge nozzle, 4- rotor, 5- motor, 6- push rod, 7- spring, 8- mandril, 9-
One side gasket, 10- first side gasket base, 101- second side gasket, 102- second side seal receptacle, in 11-
Chamber, 12- feed inlet, 13- discharge port, 14- left end cap, 15- right end cap, 16- exhaust pipe, 17- reinforcing rib, the connection of 141- first
Plate, 142- first bearing mounting plate, the second connecting plate of 151-, 152- second bearing mounting plate, 31- connecting tube, 32- pneumatic conveying
Pipeline, 41- material trough, 42- slot tooth, 43- seal groove, 44- line seal item seat, 45- line seal item, 46- Left-Hand Panel,
47- right panel, 48- first through hole, the second through-hole of 49-, 410- third through-hole, 51- driving shaft, 52- driven shaft, 53- first
Groove, the second groove of 54-, the first connecting plate of 55-, the second connecting plate of 56-, the first stuffing-box of 57-, the second stuffing-box of 58-, 59-
Drive shaft bearing, 510- speed reducer mounting plate, the driven axle bearing of 511-, the first gland of 571-, the second gland of 581-,
61- first segment, the first rotary table of 62-, 63- second segment, the second rotary table of 64-, 65- third section
Specific embodiment
Below in conjunction with attached drawing, high-pressure rotary valve of the invention is described in further detail with specific embodiment.Ying Li
Solution, following embodiment are merely to illustrate the present invention not for limiting the scope of the invention.
As shown in Figure 1 to Figure 3, according to first embodiment of the invention, high-pressure rotary valve of the invention, including cylinder
Valve body 1, it is circular inner cavity 11 that the inside of the valve body 1, which has cross section, and the top of the valve body 1 opens up feed inlet 12,
The feed inlet 12 connects feed pipe 2, and bottom opens up discharge port 13, and the discharge port 13 connects discharge nozzle 3, the discharge nozzle 3
Interior pressure is higher than the pressure in the feed pipe 2, and the pressure at the discharge port 13 is higher than the pressure at the feed inlet 12.
The rotor 4 of the interior central axial setting cylinder along the valve body 1 in the inner cavity 11, the rotor 4
Outer periphery axially uniformly opens up 8 material troughs 41, forms slot tooth 42, Mei Gesuo between the adjacent material trough 41
It states and opens up linear seal groove 43 on slot tooth 42 respectively, installation and the seal groove in the seal groove 43
The line seal item seat 44 that 43 shapes match, and it is close by the line seal item seat 44 to be fixedly installed with straight line
The inner wall tensioner of strip of paper used for sealing 45, the outer end face of the line seal item 45 and the valve body 1 seals.
Wherein, the cross section of the linear seal groove 43 is rectangle, the bottom face of the line seal item seat 44
It is matched with the bottom face of the seal groove 43, two sides are parallel with the two sidewalls of the seal groove 43, the line seal item 45
Two sides are parallel with the two sides of the seal groove 43.
The both ends of the valve body 1 are bolted installation left end cap 14 and right end cap 15,14 He of left end cap respectively
The center of right end cap 15 opens up left axle hole and right axle hole (not shown) respectively, and the rotor 4 is driven by motor 5, described
The drive shaft of motor 5 is each passed through the left axle hole and right axle hole and the rotor 5 is driven to rotate.
The both ends of the rotor 4 are respectively provided with Left-Hand Panel 46 and right panel 47, the Left-Hand Panel 46 and right side
It is sealed between plate 47 and the valve body 1 by sealing structure, will not be upwardly into the high pressure gas ensured in discharge nozzle
At feed inlet, and the whereabouts of material is hindered, also ensures that the high pressure gas in discharge nozzle will not leak to outside valve body and cause
The waste of gas in expects pipe.
The sealing structure is sealing structure form commonly used in the prior art, for example, on the Left-Hand Panel 46 and the right side
O-ring seal is respectively set on the contact surface of side panel 47 and the valve body 1 and the rotor 4.
Gas vent (not shown) is opened up on the valve body 1, and exhaust pipe 16 is connected on the gas vent.When described
When rotor 4 rotates, the material trough 41 can be communicated by the gas vent with the exhaust pipe 16.
High-pressure rotary valve of the invention, the pressure at discharge port 13 are higher than the pressure at feed inlet 12, and material is from charging
Pipe 2 falls, and is fallen in material trough 41 after feed inlet 12, and the drive shaft of motor 5 drives the rotor 4 clockwise or counterclockwise
Rotation.As shown in Fig. 2, for clockwise: the material trough 41 is rotated clockwise to bottom from top, due to strictly sealing,
Pressure in the material trough 41 of the right half-turn of the rotor 4 is equal to the pressure at feed inlet 12, when reaching bottom, material trough 41
Communicated with discharge port 13, in material fall, discharge through discharge port 13.At this point, the pressure in material trough 41 is equal to discharge port
Pressure at 13, material trough 41 continue clockwise from bottom to rotary-top, and when by gas vent, pressure is high in material trough 41
Gas enter the exhaust pipe 16 through the gas vent and be discharged, hereafter, at the material trough 41 recovery feed inlet 12
Pressure, and continue to rotate to the top of the valve body 1.
So circulation can effectively realize the charging of the discharge port 13 from the feed inlet 12 of low pressure to high pressure, and feed effect
Rate is high, and it is convenient to operate, and solves the problems, such as to feed hardly possible into high-tension apparatus or pipeline in the prior art.
According to the present invention, the drive shaft of the motor 5 can be an entirety, and the center of the rotor has axial open up
Rotor shaft hatch (not shown), the drive shaft of the motor 5 passes through the rotor shaft hatch at 4 center of rotor, both ends difference
Across the left axle hole and right axle hole and the rotor 5 is driven to rotate.
Above structure can be realized motor 5 and drive the rotation of the rotor 4, to realize above-mentioned Advantageous of the invention
Effect.
As further technical solution, as shown in Figure 1, the drive shaft of the motor 5 includes driving shaft 51 and driven shaft
52, the driving shaft 51 passes through the left axle hole, and is fixedly connected with the left end of the Left-Hand Panel 46 and the rotor 4, institute
Driven shaft 52 is stated across the right axle hole, and is fixedly connected with the right end of the right panel 47 and the rotor 4, to drive
The rotor 4 rotates.
According to the present invention, the right end of the driving shaft 51 has integrally formed first connecting plate 55, and bolt passes through described
First connecting plate 55, Left-Hand Panel 46 and the left end for squeezing into the rotor 4, to realize the driving shaft 51, Left-Hand Panel 56
With being fixedly connected for the rotor 4.
The left end of the driven shaft 52 has integrally formed second connecting plate 56, and bolt passes through second connecting plate
56, right panel 47 and the right end of the rotor 4 is squeezed into, to realize the driven shaft 52, right panel 47 and the rotor 4
Be fixedly connected.
According to the present invention, first side gasket 9 is set between first connecting plate 55 and the inner wall of the valve body 1,
First side gasket base 10 is set between the left end cap 14 and the first side gasket 9, and bolt passes through the left end
Lid 14, and squeeze into the first side gasket base 10, the first side gasket 9 is compressed by nut, thus real
Sealing between the existing Left-Hand Panel 46 and the valve body 1.
Second side gasket 101, the right end cap are set between second connecting plate 56 and the inner wall of the valve body 1
Second side gasket base 102 is set between 15 and the second side gasket 101, bolt passes through the right end cap 15, and
It squeezes into the second side gasket base 102, is compressed the second side gasket 101 by nut, to realize institute
State the sealing between right panel 47 and the valve body 1.
Above-mentioned sealing structure can be better achieved between the Left-Hand Panel 46, right panel 47 and the valve body 1
Sealing at feed inlet and hinders the whereabouts of material to ensure that the high pressure gas of discharge outlet will not be upwardly into, also ensures discharging
High pressure gas at mouthful will not leak to the waste for outside valve body and leading to high pressure gas.
Further, one section of the periphery setting that the bolt is in contact with the left end cap 14 or right end cap 15 is O-shaped close
Seal strengthens the sealing effect at bolt.
According to the present invention, the periphery of the driving shaft 51 be equipped with the first stuffing-box 57, first stuffing-box 57 with it is described
Filler is filled in cavity between driving shaft 51, and sealing is compressed by gland 571.
The periphery of the driven shaft 52 is equipped with the second stuffing-box 58, between second stuffing-box 58 and the driven shaft 52
Cavity in fill filler, and by gland 581 compress sealing.The filler can be filled out to be commonly used in the prior art
Material, such as: flexible graphite packing.
The end of the driving shaft 51 and driven shaft 52 is respectively adopted stuffing-box 57,58 and is sealed, and further enhances
Sealing performance between the Left-Hand Panel 46 and right panel 47 and the valve body 1.
According to the present invention, the left end of the driving shaft 51 is arranged with drive shaft bearing 59, and the left side of the left end cap 14 is solid
Surely it is provided with 4 piece of first connecting plate 141, first bearing mounting plate 142, institute are fixedly installed with by first connecting plate 141
The bearing block for stating drive shaft bearing 59 is fixed on the first bearing mounting plate 142, the bearing block of the drive shaft bearing 59
Left side be fixedly installed speed reducer mounting plate 510, decelerating motor, the active are equipped with by the speed reducer mounting plate 510
Axis 51 connects with the decelerating motor.
The right end of the driven shaft 52 is arranged with driven axle bearing 511, and the right side of the right end cap 15 is fixedly installed 4 pieces
Second connecting plate 151 is fixedly installed with second bearing mounting plate 152, the driven axle bearing by second connecting plate 151
511 bearing block is fixed on the second bearing mounting plate 152.
According to the present invention, the drive shaft bearing 59 and driven axle bearing 511 are the roller bearing units with bearing block.Outside
Spherical ball bearing has good aligning effect.
As shown in figure 4, according to the present invention, there are two the gas vents, respectively along the axial horizontal distribution of the valve body 1,
Correspondingly, the exhaust pipe 16 has two.
It, can be in time by the high pressure gas in the material trough 41 along the gas vent of the axial horizontal distribution of the valve body 1
Discharge, the effective guarantee smooth whereabouts of material.
According to the present invention, exhaust outlet gasket, the charging are set between the end face and the valve body 1 of the exhaust pipe 16
Feed inlet gasket is set between pipe 2 and the feed inlet 12 of the valve body 1, the discharge port 13 of the discharge nozzle 3 and the valve body 1 it
Between be arranged discharge port gasket, the exhaust outlet gasket, feed inlet gasket and discharge port gasket are fluororubber pad.
The setting of the exhaust outlet gasket, feed inlet gasket and discharge port gasket, further enhances high pressure of the invention
The sealing performance of rotary valve.
According to the present invention, several reinforcements for connecting the valve body 1 are respectively set in the feed inlet 12 and discharge port 13
Muscle 17.
The design of reinforcing rib 17 improves 1 intensity of valve body at the feed inlet 12 and discharge port 13, to improve whole
The structural strength of a high-pressure rotary valve.
According to the present invention, the two sides of the Left-Hand Panel 46 are connect with the left side of the rotor 4 and described first respectively
O-ring seal is set between the right side of plate 55.
The two sides of the right panel 47 left side with the right side of the rotor 4 and second connecting plate 56 respectively
Between O-ring seal is set.
O-ring seal can further increase the sealing performance at 4 both ends of rotor.
According to the present invention, O-shaped sealing is set between the left end cap 14 and right end cap 15 and the contact surface of the valve body 1
Circle.O-ring seal can further increase the sealing performance between the left end cap and right end cap and the valve body.
According to the present invention, a lateral edge of 44 outer end of line seal item seat axially opens up L-type sealing strip groove, accordingly
Ground, the line seal pad 45 have L-type inner end, and the L-type inner end of the line seal pad 45 is embedded in the L-type sealing strip groove
It is interior, to realize fixation of the line seal pad 45 on the line seal item seat 44.
As shown in Figure 1, according to the present invention, L-type is offered on first connecting plate 55 and the opposite face of the rotor 4
Step, the left and right sides of the Left-Hand Panel 46 are respectively embedded on the L-type step, first connecting plate 55 and the rotor
O-ring seal slot, mounting O-shaped sealing ring in the O-ring seal slot are also opened up on 4 opposite faces respectively.
L-type step is offered on second connecting plate 56 and the opposite face of the rotor 4, the right panel 47
The left and right sides is respectively embedded on the L-type step, is also opened up respectively on second connecting plate 56 and the opposite face of the rotor 4
O-ring seal slot, mounting O-shaped sealing ring in the O-ring seal slot.
Above-mentioned sealing structure further enhances the sealing of two ends of rotor, is conducive to ensure high-pressure rotary valve of the invention
Smoothly charging.
As shown in Figure 1, according to the present invention, the discharge nozzle 3 is horizontally disposed Pneumatic conveying pipeline, the discharge port 13
Bottom there is connecting tube 31, the connecting tube 31 connect and communicates with the top of the Pneumatic conveying pipeline 3.
Pressure in the Pneumatic conveying pipeline is 2~3Mpa.
According to the present invention, the bottom of the material trough 41 is arc.
With the extension of 4 rotation time of rotor, rub for a long time between the line seal item 45 and the inner wall of the valve body 1
It wipes, the outer end face that will lead to the line seal item 45 wears, so that the line seal item 45 and the valve body 1 is interior
Sealing performance reduces between wall, and the high pressure gas of 1 bottom of valve body is easy gradually leakage upwards, so that the gas at feed inlet 12
Body pressure increases, and causes material to can not be successfully decline, and generate security risk.Meanwhile replacement line seal item 45 need to be shut down, directly
Connecing reduces production efficiency.
The technical solution of second embodiment of the invention solves the above problem.As shown in Figures 5 to 7, according to this hair
Second bright embodiment, the high-pressure rotary valve of the present embodiment, structure and one embodiment are essentially identical, and difference only exists
In:
The center of the rotor 4 have axially through first through hole 48, the Left-Hand Panel 46 and right panel 47
Center is respectively provided with the second through-hole 49, has the first groove 53, a left side for the driven shaft 52 on the right side of the driving shaft 51
There is the second groove 54 on end face, push rod 6 is equipped in the first through hole 48, the both ends of the push rod 6 are each passed through described
Second through-hole 49 is simultaneously embedded in first groove 53 and the second groove 54.
The push rod 6 successively includes coaxial first segment 61, the first rotary table 62, second segment 63, the second rotary table from left to right
64 and third section 65, the big end of first rotary table 62 be fixedly connected with the first segment 61, small end and the second segment 63 are solid
Fixed connection, the big end of second rotary table 64 are fixedly connected with the second segment 63,
Small end is fixedly connected with the third section 65；The outer cover of the first segment 61 is equipped with spring 7,7 quilt of spring
It is compressed between the bottom surface of the first groove 53 and the big end of first rotary table 62.
Open up two third through-holes 410 between the bottom and the first through hole 48 of the seal groove 43 respectively, described
Mandril 8 is installed, the bottom end face contact of the top end face of the mandril 8 and the line seal item seat 44 is simultaneously mutual in three through-holes 410
It holds out against, bottom end has conical head 81, and the conical head 81 is resisted against first rotary table 62 and the second rotary table respectively
On 64 conical surface.
When the line seal item 45 is worn, rising between 1 inner wall of the line seal item 45 and the valve body
Clamp force weakens, and power that the bottom end of the mandril 8 acts on the conical surface of first rotary table 62 and the second rotary table 64 while weakening；
At this point, the spring 7 being compressed between the bottom surface of the first groove 53 and the big end of the first rotary table 62 extends to the right, by described
One rotary table 62 and the second rotary table 64 promote to the right, and the mandril 8 is jacked up upwards, and the mandril 8 is by the line seal item
Seat 44 jacks up upwards, to realize the tensioner between 1 inner wall of the line seal item 45 and the valve body.
It therefore, can be real-time through the above technical solutions, high-pressure rotary valve of the invention is without shutting down replacement line seal item
It prevents from leaking, significantly reduce security risk and improves production efficiency.
Can be according to the size and practical situations of the valve body, the radical and described first of mandril described in flexible design
The quantity of rotary table and the second rotary table.
According to the present invention, the high-pressure rotary valve is mountable at the charging of equipment or pipeline, uses as inlet valve.?
It is mountable at the discharging of equipment or pipeline, used as outlet valve.For example, the outlet valve as material, is mounted on whirlwind point
Bottom from device, the pressure in the cyclone separator are less than the pressure in the discharge pipe connecting with the outlet valve.
In conjunction with shown in Fig. 1 to Fig. 8, the working principle of high-pressure rotary valve of the invention is as follows:
High-pressure rotary valve of the invention, the pressure at discharge port 13 are higher than the pressure at feed inlet 12, and material is from charging
Pipe 2 falls, and is fallen in material trough 41 after feed inlet 12, and motor 5 drives rotor 4 to rotate clockwise or counterclockwise.
As shown in Fig. 2, for clockwise: material trough 41 is rotated clockwise to bottom from top, due to strictly sealing, institute
State the pressure that pressure in the material trough 41 of the right half-turn of rotor 4 is equal at feed inlet 12, when reaching bottom, material trough 41 and
Bottom discharge port 13 communicates, in material fall, discharge through discharge port 13.
At this point, pressure in material trough 41 is equal to the pressure at discharge port 13, material trough 41 continue clockwise from bottom to
Rotary-top, when by gas vent, the high gas of pressure enters the exhaust pipe 16 through the gas vent in material trough 41
And be discharged, hereafter, the material trough 41 restores the pressure at feed inlet 12, and continues to rotate to the top of the valve body.
So circulation, can effectively realize from the low pressure feed mouth of valve to the charging of high pressure discharge port.
When the valve is mounted on the discharge outlet of equipment, can also effectively realize from the low pressure feed mouth of valve to high pressure
The discharging of discharge port.
Specific embodiments of the present invention are described in detail above, but it is only used as example, the present invention is not intended to limit
In particular embodiments described above.To those skilled in the art, it any equivalent modifications to the practical progress and replaces
In generation, is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and repair
Change, all should be contained within the scope of the invention.
Claims (10)
1. high-pressure rotary valve, including valve body, which is characterized in that it is circular inner cavity, institute that the inside of the valve body, which has cross section,
It states and opens up feed inlet at the top of valve body, bottom opens up discharge port, and the pressure of the discharge outlet is greater than the pressure at the feed inlet
Power；
The outer periphery of the rotor of the interior intracavitary axially disposed cylinder, the rotor axially uniformly opens up several materials
Slot forms slot tooth between the adjacent material trough, opens up linear seal groove, the sealing respectively on each slot tooth
Line seal item seat is installed in slot, and line seal item, the line seal are fixedly installed with by the line seal item seat
The inner wall tensioner of the outer end face of item and the valve body seals；
The both ends of the valve body are fixedly mounted left end cap and right end cap respectively, and the center of the left end cap and right end cap opens up respectively
Left axle hole and right axle hole, the drive shaft of motor are each passed through the left axle hole and right axle hole and the rotor are driven to rotate；It is described
The both ends of rotor are respectively provided with Left-Hand Panel and right panel, pass through between the Left-Hand Panel and right panel and the valve body
Sealing structure is sealed；
Gas vent is opened up on the valve body, is connected with exhaust pipe on the gas vent.
2. high-pressure rotary valve according to claim 1, which is characterized in that the drive shaft of the motor include driving shaft and from
Moving axis, the driving shaft pass through the left axle hole, and are fixedly connected with the left end of the Left-Hand Panel and the rotor, it is described from
Moving axis passes through the right axle hole, and is fixedly connected with the right end of the right panel and the rotor.
3. high-pressure rotary valve according to claim 2, which is characterized in that the center of the rotor have axially through the
The center of one through-hole, the Left-Hand Panel and right panel is respectively provided with the second through-hole, has on the right side of the driving shaft
First groove has the second groove on the left side of the driven shaft, wears push rod in the first through hole, and the two of the push rod
End is each passed through second through-hole and is embedded in first groove and the second groove；
The push rod successively includes coaxial first segment, the first rotary table, second segment, the second rotary table and third section, institute from left to right
The big end for stating the first rotary table is fixedly connected with the first segment, and small end is fixedly connected with the second segment, second rotary table
Big end is fixedly connected with the second segment, and small end is fixedly connected with the third section；The external sheathed spring of the first segment, institute
Spring is stated to be compressed between the bottom surface of first groove and the big end of the first rotary table；
Two third through-holes, installation in the third through-hole are opened up between the bottom of the seal groove and the first through hole respectively
Mandril, the bottom end face contact of the top end face of the mandril and the seal receptacle are simultaneously mutually held out against, and bottom end has conical head, institute
Conical head is stated to bear against on the conical surface of first rotary table and the second rotary table.
4. high-pressure rotary valve according to claim 2, which is characterized in that the right end of the driving shaft has the first connection
Plate, the left end of the driven shaft have the second connecting plate, and the left end of first connecting plate, Left-Hand Panel and rotor is fixed to be connected
It connects；Second connecting plate, right panel are fixedly connected with the right end of rotor.
5. high-pressure rotary valve according to claim 4, which is characterized in that the inner wall of first connecting plate and the valve body
Between be arranged first side gasket, between the left end cap and the first side gasket be arranged first side gasket
Seat, bolt passes through the left end cap, and squeezes into the first side gasket base, is sealed the first side by nut
Pad compresses；
Second side gasket, the right end cap and the side are set between second connecting plate and the inner wall of the valve body
Second side gasket base is set between gasket, and bolt passes through the right end cap, and squeezes into the second side gasket base
It is interior, the second side gasket is compressed by nut.
6. high-pressure rotary valve according to claim 2, which is characterized in that the periphery of the driving shaft and the left end cap it
Between the first stuffing-box is set, filler is filled in the cavity between first stuffing-box and the driving shaft, and pass through filler pressure
Lid compresses sealing；
Second stuffing-box, second stuffing-box and the driven shaft are set between the periphery of the driven shaft and the right end cap
Between cavity in fill filler, and by gland compress sealing.
7. high-pressure rotary valve according to claim 2, which is characterized in that driving shaft axis is arranged in the left end of the driving shaft
It holds, the left side of the left end cap is fixedly mounted first bearing mounting plate, and the bearing block of the drive shaft bearing is fixed on described the
On one bearing mounting plate, speed reducer mounting plate is fixedly installed in the left side of the bearing block, is installed by the speed reducer mounting plate
There is decelerating motor, the driving shaft connects with the decelerating motor；
Driven axle bearing is arranged in the right end of the driven shaft, and second bearing mounting plate, institute is fixedly mounted in the right side of the right end cap
The bearing block for stating driven axle bearing is fixed on the second bearing mounting plate.
8. high-pressure rotary valve according to claim 7, which is characterized in that the drive shaft bearing and driven axle bearing are band
The roller bearing units of bearing block.
9. high-pressure rotary valve according to claim 1 to 8, which is characterized in that there are two the gas vents, point
Not along the axial horizontal distribution of the valve body, correspondingly, the exhaust pipe has two.
10. high-pressure rotary valve according to claim 9, which is characterized in that be respectively set in the inlet port and outlet port
The reinforcing rib of several connection valve bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012010.7A CN109704078A (en) | 2017-10-26 | 2017-10-26 | High-pressure rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012010.7A CN109704078A (en) | 2017-10-26 | 2017-10-26 | High-pressure rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109704078A true CN109704078A (en) | 2019-05-03 |
Family
ID=66253326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711012010.7A Pending CN109704078A (en) | 2017-10-26 | 2017-10-26 | High-pressure rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109704078A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116812467A (en) * | 2023-07-03 | 2023-09-29 | 江苏华兴压力容器有限公司 | Reaction kettle feeding rotary valve capable of controlling feeding |
-
2017
- 2017-10-26 CN CN201711012010.7A patent/CN109704078A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116812467A (en) * | 2023-07-03 | 2023-09-29 | 江苏华兴压力容器有限公司 | Reaction kettle feeding rotary valve capable of controlling feeding |
| CN116812467B (en) * | 2023-07-03 | 2024-06-07 | 江苏华兴压力容器有限公司 | Reaction kettle feeding rotary valve capable of controlling feeding |
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