CN207551368U

CN207551368U - High-pressure rotary valve

Info

Publication number: CN207551368U
Application number: CN201721389754.6U
Authority: CN
Inventors: 谈卫军
Original assignee: SHANGHAI MINJIE PHARMACEUTICAL MACHINERY Co Ltd
Current assignee: SHANGHAI MINJIE PHARMACEUTICAL MACHINERY Co Ltd
Priority date: 2017-10-26
Filing date: 2017-10-26
Publication date: 2018-06-29
Anticipated expiration: 2027-10-26

Abstract

The utility model provides a kind of high-pressure rotary valve, and including valve body, 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 more than the pressure at the feed inlet.Interior intracavitary sets rotor, the periphery of rotor uniformly opens up material trough in an axial direction, slot tooth is formed between adjacent material trough, linear seal groove is opened up on each slot tooth, installation line seal item seat 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 is fixedly mounted in the both ends of valve body and right end cap, rotor are rotated by motor, and the both ends of rotor are respectively provided with Left-Hand Panel and right panel, are sealed between the two and valve body by sealing structure.Gas vent is opened up on valve body, discharge duct is connected on gas vent.The high-pressure rotary valve of the utility model 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, simple operation.

Description

High-pressure rotary valve

Technical field

The utility model is related to valve technology fields, and in particular to a kind of high-pressure rotary valve.

Background technology

In the prior art, feed arrangement generally includes conveyer belt and the hopper being arranged in equipment, and material is defeated by conveyer belt It send to above hopper, then falls in hopper, then enter inside equipment from the discharge port of hopper and be 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 requirement pressure are not more than normal pressure.

However, in the prior art, situation of the equipment internal pressure higher than the discharge outlet pressure of hopper is frequently present of, this When, since there are positive differential pressure, conventional feed arrangement, 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 at the pressure of the discharge outlet of valve is more than feed inlet, material conveying becomes difficult, therefore, has Necessity designs a kind of novel valve, and material during meeting the pressure of the discharge outlet of valve more than pressure at feed inlet is defeated Send demand.

Utility model content

The purpose of this utility model is to provide a kind of high-pressure rotary valves, can effectively realize the low pressure feed mouth from valve Material to high pressure discharge port conveys, and material transfer efficiency is high, simple operation.

To achieve the above object, the utility model uses following technical scheme：

High-pressure rotary valve, including valve body, the inside of the valve body has cross section for circular inner cavity, the top of the valve body Portion opens up feed inlet, and bottom opens up discharge port, and the pressure of the discharge outlet is more than the pressure at the feed inlet；

The rotor of the axially disposed cylinder of interior intracavitary, the periphery of the rotor uniformly opens up several objects in an axial direction Hopper forms slot tooth between the adjacent material trough, linear seal groove is opened up respectively on each slot tooth, described close Installation line seal item seat in sealing groove, and line seal item is installed with by the line seal item seat, the straight line is close The outer end face of strip of paper used for sealing and the inner wall tensioner of the valve body seal；

The center difference of left end cap and right end cap, 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, discharge duct is connected on the gas vent.

According to the utility model, the drive shaft of the motor includes driving shaft and driven shaft, and the driving shaft passes through described 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 The right panel is fixedly connected with the right end of the rotor.

According to the utility model, the center of the rotor have axially through first through hole, the Left-Hand Panel and the right side The center of side panel is respectively provided with the second through-hole, has the first groove, a left side for the driven shaft on the right side of the driving shaft On end face 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 in embedded first groove and the second groove；

The push rod includes coaxial first segment, the first round platform, second segment, the second round platform and third successively from left to right Section, the big end of first round platform 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 round platform；

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 top end face of the mandril is contacted with the bottom face of the seal receptacle and mutually held out against, and bottom end has conical head Portion, the conical head are born against on the conical surface of first round platform and the second round platform.

According to the utility model, the right end of the driving shaft has the first connecting plate, and the left end of the driven shaft has the Two connecting plates, first connecting plate, Left-Hand Panel are fixedly connected with the left end of rotor；Second connecting plate, right panel It is fixedly connected with the right end of rotor.

According to the utility model, first side gasket is set between first connecting plate and the inner wall of the valve body, First side gasket base is set between the left end cap and the first side gasket, bolt passes through the left end cap, and It squeezes into the first side gasket base, is compressed the first side gasket by nut；

Between second connecting plate and the inner wall of the valve body set 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 utility model, the first stuffing-box is set between the periphery of the driving shaft and the left end cap, described Filling filler in cavity between one stuffing-box and the driving shaft, and 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 with it is described from Filling filler in cavity between moving axis, and compressed and sealed by gland.

According to the utility model, the left end setting drive shaft bearing of the driving shaft, peace is fixed in the left side of the left end cap Clutch shaft bearing installing plate is filled, the bearing block of the drive shaft bearing is fixed on the clutch shaft bearing installing plate, the bearing block Left side fixed setting speed reducer installing plate, decelerating motor, the driving shaft and institute are equipped with by the speed reducer installing plate Decelerating motor is stated to connect；

The right end of the driven shaft sets driven axle bearing, 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 installing plate.

According to the utility model, the drive shaft bearing and driven axle bearing are the roller bearing units with bearing block.

According to the utility model, there are two the gas vents, respectively along the axial horizontal distribution of the valve body, correspondingly, The discharge duct has two.

The reinforcement of several connection valve bodies is set respectively according to the utility model, in the inlet port and outlet port Muscle.

Compared with prior art, the utility model has following advantageous effects：

The high-pressure rotary valve of the utility model can be realized effectively from the low pressure feed mouth of valve to the object of high pressure discharge port Material conveying, and material transfer efficiency is high, simple operation can solve the difficulty fed in the prior art into high-tension apparatus or pipeline Topic.

Description of the drawings

Fig. 1 is the horizontal section schematic diagram of the high-pressure rotary valve of one embodiment of the utility model.

Fig. 2 is the longitudinal profile schematic diagram of the high-pressure rotary valve of one embodiment of the utility model.

Fig. 3 is the schematic diagram in A-A direction of Fig. 1.

Fig. 4 is that there are two discharge duct schematic diagrames during 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 utility model.

Fig. 6 is the longitudinal profile schematic diagram of the high-pressure rotary valve of second embodiment of the utility model.

Fig. 7 is the structure diagram of push rod.

Fig. 8 is the scheme of installation of line seal item seat and line seal item.

In figure：1- valve bodies, 2- feed pipes, 3- discharge nozzles, 4- rotors, 5- motors, 6- push rods, 7- springs, 8- mandrils, 9- One side gasket, 10- first sides gasket base, 101- second sides gasket, 102- second sides seal receptacle, in 11- Chamber, 12- feed inlets, 13- discharge ports, 14- left end caps, 15- right end caps, 16- discharge ducts, 17- reinforcing ribs, 141- first are connected Plate, 142- clutch shaft bearings installing plate, the second connecting plates of 151-, 152- second bearings installing plate, 31- connecting tubes, 32- Geldart-D particles Pipeline, 41- material troughs, 42- slots tooth, 43- seal grooves, 44- line seal items seat, 45- line seals item, 46- Left-Hand Panels, 47- right panels, 48- first through hole, the second through-holes of 49-, 410- third through-holes, 51- driving shafts, 52- driven shafts, 53- first Groove, the second grooves of 54-, the first connecting plates of 55-, the second connecting plates of 56-, the first stuffing-boxes of 57-, the second stuffing-boxes of 58-, 59- Drive shaft bearing, 510- speed reducers installing plate, the driven axle bearings of 511-, the first glands of 571-, the second glands of 581-, 61- first segments, the first round platforms of 62-, 63- second segments, the second round platforms of 64-, 65- third sections

Specific embodiment

Below in conjunction with attached drawing, the high-pressure rotary valve of the utility model is described in further detail with specific embodiment. It should be understood that following embodiment is merely to illustrate the utility model not for restriction the scope of the utility model.

As shown in Figure 1 to Figure 3, one embodiment according to the present utility model, the high-pressure rotary valve of the utility model, packet Include cylindrical valve body 1, it is circular inner cavity 11 that the inside of the valve body 1, which has cross section, the top of the valve body 1 open up into Material mouth 12, the feed inlet 12 connect feed pipe 2, and bottom opens up discharge port 13, and the discharge port 13 connects discharge nozzle 3, described Pressure in discharge nozzle 3 is higher than the pressure in the feed pipe 2, and the pressure at the discharge port 13 is higher than at the feed inlet 12 Pressure.

Along the rotor 4 of the central axial setting cylinder of the valve body 1, the periphery edge of the rotor 4 in the inner cavity 11 It is axial uniformly to open up 8 material troughs 41, slot tooth 42 is formed between the adjacent material trough 41, is distinguished on each slot tooth 42 Linear seal groove 43 is opened up, the line seal item seat to match with 43 shape of seal groove is installed in the seal groove 43 44, and line seal item 45 is installed with by the line seal item seat 44, the outer end face of the line seal item 45 with The inner wall tensioner sealing of the valve body 1.

Wherein, the cross section of the linear seal groove 43 be rectangle, the bottom face of the line seal item seat 44 It is matched with the bottom face of the seal groove 43, both sides are parallel with the two side of the seal groove 43, the line seal item 45 Both sides are parallel with the both 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 by sealing structure between plate 47 and the valve body 1, will not be upwardly into the high pressure gas ensured in discharge nozzle At feed inlet, and the whereabouts of material is hindered, also ensure 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 set respectively on side panel 47 and the contact surface of the valve body 1 and the rotor 4.

Gas vent (not shown) is opened up on the valve body 1, discharge duct 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 discharge duct 16.

The high-pressure rotary valve of the utility model, pressure at discharge port 13 higher than the pressure at feed inlet 12, material from Feed pipe 2 falls, and is fallen to after feed inlet 12 in material trough 41, and the drive shaft of motor 5 drives the rotor 4 clockwise or inverse Hour hands rotate.As shown in Fig. 2, for clockwise：The material trough 41 is rotated clockwise to bottom from top, due to stringent close It seals, the 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 Slot 41 is 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 Pressure at material mouth 13, material trough 41 continues clockwise from bottom to rotary-top, when by gas vent, 41 internal pressure of material trough The high gas of power enters the discharge duct 16 through the gas vent and discharges, and hereafter, the material trough 41 restores feed inlet 12 The pressure at place, and continue to rotate to the top of the valve body 1.

So cycle 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 simple operation solves the problems, such as to feed hardly possible into high-tension apparatus or pipeline in the prior art.

According to the utility model, the drive shaft of the motor 5 can be an entirety, and the center of the rotor has axially The rotor shaft hatch (not shown) opened up, the drive shaft of the motor 5 pass through the rotor shaft hatch at 4 center of rotor, both ends It is each passed through the left axle hole and right axle hole and the rotor 5 is driven to rotate.

Above structure can realize that motor 5 drives the rotation of the rotor 4, so as to fulfill the above-mentioned beneficial of the utility model Technique 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, so as to drive The rotor 4 rotates.

According to the utility model, the right end of the driving shaft 51 has integrally formed first connecting plate 55, and bolt passes through First connecting plate 55, Left-Hand Panel 46 and the left end for squeezing into the rotor 4, so as to fulfill the driving shaft 51, left side Plate 56 is fixedly connected with 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 56th, right panel 47 and the right end of the rotor 4 is squeezed into, so as to fulfill the driven shaft 52, right panel 47 and the rotor 4 Be fixedly connected.

According to the utility model, first side is set to seal between first connecting plate 55 and the inner wall of the valve body 1 Pad 9, sets first side gasket base 10 between the left end cap 14 and the first side gasket 9, bolt passes through described Left end cap 14, and squeeze into the first side gasket base 10, the first side gasket 9 is compressed by nut, from And realize the sealing between the 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, so as to fulfill 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 with the high pressure gas for ensureing discharge outlet will not be upwardly at feed inlet and hinder the whereabouts of material, also ensures discharging The high pressure gas at mouthful place will not leak to valve body outside and lead to the waste of 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 utility model, the periphery of the driving shaft 51 is equipped with the first stuffing-box 57, first stuffing-box 57 with Filling filler in cavity between the driving shaft 51, and pass through gland 571 and compress sealing.

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 filling filler, and pass through gland 581 compress sealing.The filler can be commonly used in the prior art fills out 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 utility model, the left end of the driving shaft 51 is arranged with drive shaft bearing 59, a left side for the left end cap 14 Side is fixedly installed 4 piece of first connecting plate 141, and clutch shaft bearing installing plate is installed with by first connecting plate 141 142, the bearing block of the drive shaft bearing 59 is fixed on the clutch shaft bearing installing plate 142, the drive shaft bearing 59 The left side fixed setting speed reducer installing plate 510 of bearing block, is equipped with decelerating motor, institute by the speed reducer installing plate 510 Driving shaft 51 is stated with the decelerating motor to connect.

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 installed with second bearing installing plate 152, the driven axle bearing by second connecting plate 151 511 bearing block is fixed on the second bearing installing plate 152.

According to the utility model, the drive shaft bearing 59 and driven axle bearing 511 are the spherical outside surface ball axis with bearing block It holds.Roller bearing units have good aligning effect.

As shown in figure 4, according to the utility model, there are two the gas vents, respectively along axial horizontal point of the valve body 1 Cloth, correspondingly, the discharge duct 16 have 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 utility model, exhaust outlet gasket is set between the end face of the discharge duct 16 and the valve body 1, it is described Feed inlet gasket, the discharge port of the discharge nozzle 3 and the valve body 1 are set between feed pipe 2 and the feed inlet 12 of the valve body 1 Discharge port gasket is set between 13, and 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 the utility model The sealing performance of high-pressure rotary valve.

According to the utility model, several are set to connect the valve body 1 in the feed inlet 12 and discharge port 13 respectively Reinforcing rib 17.

The design of reinforcing rib 17 improves 1 intensity of valve body at the feed inlet 12 and discharge port 13, whole so as to improve The structural strength of a high-pressure rotary valve.

According to the utility model, the both sides of the Left-Hand Panel 46 respectively with the left side of the rotor 4 and described first O-ring seal is set between the right side of connecting plate 55.

The both sides of the right panel 47 respectively with the right side of the rotor 4 and the left side of second connecting plate 56 Between O-ring seal is set.

O-ring seal can further improve the sealing performance at 4 both ends of rotor.

According to the utility model, set between the left end cap 14 and the contact surface of right end cap 15 and the valve body 1 O-shaped close Seal.O-ring seal can further improve the sealing performance between the left end cap and right end cap and the valve body.

According to the utility model, the side of 44 outer end of line seal item seat opens up L-type sealing strip groove, phase in an axial direction Ying Di, the line seal pad 45 have L-type inner end, and the L-type inner end insertion L-type sealing strip of the line seal pad 45 is recessed In slot, so as to fulfill fixation of the line seal pad 45 on the line seal item seat 44.

As shown in Figure 1, according to the utility model, opened up on first connecting plate 55 and the opposite face of the rotor 4 There is L-type step, the left and right sides of the Left-Hand Panel 46 is respectively embedded on the L-type step, first connecting plate 55 and institute It states and also opens up O-ring seal slot on the opposite face of rotor 4 respectively, mounting O-shaped sealing ring in the O-ring seal slot.

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 the high-pressure rotary of the utility model The smooth charging of valve.

As shown in Figure 1, according to the utility model, the discharge nozzle 3 is horizontally disposed Pneumatic conveying pipeline, the discharging The bottom of mouth 13 has connecting tube 31, and 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 utility model, 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 of the line seal item 45 can be caused to wear so that the line seal item 45 is interior with the valve body 1 Sealing performance reduces between wall, the high pressure gas easily gradually leakage upwards of 1 bottom of valve body, so that the gas at feed inlet 12 Body pressure increases, and material is caused to can not be successfully decline, and generate security risk.Meanwhile need to shut down and replace line seal item 45, directly Connecing reduces production efficiency.

The technical solution of second embodiment of the utility model solves the above problem.As shown in Figures 5 to 7, according to Second embodiment of the utility model, the high-pressure rotary valve of the present embodiment, structure and one embodiment are essentially identical, area It is not only that：

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 On end face there is the second groove 54, be equipped with push rod 6 in the first through hole 48, the both ends of the push rod 6 are each passed through described In second through-hole 49 and embedded first groove, 53 and second groove 54.

The push rod 6 includes coaxial first segment 61, the first round platform 62, second segment 63, the second round platform successively from left to right 64 and third section 65, the big end of first round platform 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 round platform 64 are fixedly connected with the second segment 63, and small end is fixedly connected with the third section 65； The outer cover of the first segment 61 is equipped with spring 7, and the spring 7 is compressed in the bottom surface of the first groove 53 and first round platform Between 62 big end.

Open up two third through-holes 410 between the bottom of the seal groove 43 and the first through hole 48 respectively, described Installation mandril 8 in three through-holes 410, the top end face of the mandril 8 contact and mutual with the bottom face of the line seal item seat 44 It holds out against, bottom end has conical head 81, and the conical head 81 is resisted against 62 and second round platform of the first round platform 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 the power that the bottom end of the mandril 8 is acted on the conical surface of 62 and second round platform 64 of the first round platform weakens simultaneously； At this point, the spring 7 being compressed between the bottom surface of the first groove 53 and the big end of the first round platform 62 extends to the right, by described One round platform 62 and the second round platform 64 promote to the right, and the mandril 8 is jacked up, and the mandril 8 is by the line seal item upwards Seat 44 jacks up upwards, so as to fulfill the tensioner between 1 inner wall of the line seal item 45 and the valve body.

It therefore, can through the above technical solutions, the high-pressure rotary valve of the utility model replaces line seal item without shutting down It prevents from leaking in real time, significantly reduces security risk and improve production efficiency.

It can be according to the size and practical situations of the valve body, the radical of mandril described in flexible design and described first The quantity of round platform and the second round platform.

According to the utility model, the high-pressure rotary valve can be mounted at the charging of equipment or pipeline, made as inlet valve With.Also it can be mounted at the discharging of equipment or pipeline, be used as outlet valve.For example, the outlet valve as material, mounted on rotation The bottom of wind separator, the pressure in the cyclone separator are less than the pressure in the discharge pipe being connect with the outlet valve.

With reference to shown in Fig. 1 to Fig. 8, the operation principle of the high-pressure rotary valve of the utility model is as follows：

The high-pressure rotary valve of the utility model, pressure at discharge port 13 higher than the pressure at feed inlet 12, material from Feed pipe 2 falls, and is fallen to after feed inlet 12 in material trough 41, 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 mouth 13 communicates, in material fall, discharge through discharge port 13.At this point, the pressure in material trough 41 is equal to discharging Pressure at mouthfuls 13, material trough 41 continue clockwise from bottom to rotary-top, when by gas vent, pressure in material trough 41 High gas enters the discharge duct 16 through the gas vent and discharges, and hereafter, the material trough 41 restores at feed inlet 12 Pressure, and continue to rotate to the top of the valve body.

So cycle, 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, also can effectively realize from the low pressure feed mouth of valve to high pressure The discharging of discharge port.

Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model It is not restricted to particular embodiments described above.To those skilled in the art, it is any that the practicality is equal Modifications and substitutions are also all among the scope of the utility model.Therefore, the institute under the spirit and scope for not departing from the utility model The impartial conversion of work and modification should all be covered in the scope of the utility model.

Claims

1. high-pressure rotary valve, including valve body, which is characterized in that the inside of the valve body has cross section for circular inner cavity, institute It states and feed inlet is opened up at the top of valve body, bottom opens up discharge port, and the pressure of the discharge outlet is more than the pressure at the feed inlet Power；

The rotor of the axially disposed cylinder of interior intracavitary, the periphery of the rotor uniformly opens up several materials in an axial direction Slot forms slot tooth between the adjacent material trough, linear seal groove, the sealing is opened up respectively on each slot tooth Installation line seal item seat in slot, and line seal item, the line seal are installed with by the line seal item seat The outer end face of item and the inner wall tensioner of the valve body seal；

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；

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 in second through-hole and embedded first groove and the second groove；

The push rod includes coaxial first segment, the first round platform, second segment, the second round platform and third section, institute successively from left to right The big end for stating the first round platform is fixedly connected with the first segment, and small end is fixedly connected with the second segment, second round platform 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 round platform；

Two third through-holes are opened up between the bottom of the seal groove and the first through hole respectively, are installed in the third through-hole Mandril, the top end face of the mandril are contacted with the bottom face of the seal receptacle and are mutually held out against, and bottom end has conical head, institute Conical head is stated to bear against on the conical surface of first round platform and the second round platform.

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, which 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 set first side gasket, between the left end cap and the first side gasket set 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, filling filler 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 filling filler, and pass through gland compress sealing.

7. high-pressure rotary valve according to claim 2, which is characterized in that the left end setting driving shaft axis of the driving shaft It holds, the left side of the left end cap is fixedly mounted clutch shaft bearing installing plate, and the bearing block of the drive shaft bearing is fixed on described the On one bearing installing plate, the left side fixed setting speed reducer installing plate of the bearing block is installed by the speed reducer installing plate There is decelerating motor, the driving shaft connects with the decelerating motor；

The right end of the driven shaft sets driven axle bearing, and second bearing installing 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 installing 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. according to the high-pressure rotary valve described in any one of claim 1-8, which is characterized in that there are two the gas vents, point Not along the axial horizontal distribution of the valve body, correspondingly, the discharge duct has two.

10. high-pressure rotary valve according to claim 9, which is characterized in that set respectively in the inlet port and outlet port The reinforcing rib of several connection valve bodies.