CN109915618B - Ball valve special for powder reaction kettle feeding - Google Patents
Ball valve special for powder reaction kettle feeding Download PDFInfo
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- CN109915618B CN109915618B CN201910358987.7A CN201910358987A CN109915618B CN 109915618 B CN109915618 B CN 109915618B CN 201910358987 A CN201910358987 A CN 201910358987A CN 109915618 B CN109915618 B CN 109915618B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 41
- 239000000843 powder Substances 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 97
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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Abstract
The invention relates to a ball valve special for feeding a powder reaction kettle, which comprises a valve body, a valve core, a valve rod, a left sealing ring and a right sealing ring, wherein the valve body comprises a reaction kettle connecting end and a flange connecting end, and the left sealing ring is fixedly arranged at the reaction kettle connecting end; still include stop collar, flange, apron and clamp, one side of stop collar stretches into the flange joint end, and right sealing washer is fixed to be set up on the stop collar, and flange's one end and valve body can be dismantled and be connected for inject the stop collar, apron and clamp cooperate so that the apron seals flange's the other end, open the apron during the use, rotate the case and make the material get into reation kettle through getting into powder reation kettle throw the ball valve for the material, lift flange off during the cleanness, take out the stop collar, the case can be taken out by the flange joint end.
Description
Technical Field
The invention relates to the technical field of valve equipment, in particular to a ball valve special for powder reaction kettle feeding.
Background
In the prior art, the reaction kettle is a comprehensive reaction container, the structural functions of the reaction kettle and the design of configuration accessories are designed according to the reaction conditions, the preset reaction steps can be finished with higher degree of automation from the beginning of feeding, reaction and discharging, and important parameters such as temperature, pressure, mechanical control (stirring, blasting and the like) and reactant/product concentration and the like in the reaction process are strictly regulated and controlled. The reaction kettle is widely applied to petroleum, chemical industry, rubber, pesticides, dyes, medicines and foods, and is a pressure vessel for completing the technological processes of vulcanization, nitration, hydrogenation, hydrocarbylation, polymerization, condensation and the like. With the development of the technology in the fields of medicine, chemical industry, food and the like, various small-batch production is becoming more and more popular, the requirements on a reaction kettle are becoming higher and higher, particularly, a feed valve of a feed port is an essential path of materials, and the cleaning of the feed valve during the replacement of production batches becomes a difficult problem for the technicians in the field.
Disclosure of Invention
The invention aims to solve the technical problem of providing a ball valve special for feeding a powder reaction kettle, which is easy to clean and convenient to detach.
In order to solve the technical problems, the ball valve for feeding the powder reaction kettle comprises a valve body with a valve cavity, a valve core arranged in the valve cavity, a valve rod with one end in transmission fit with the valve core and the other end extending out of the valve body, and a left sealing ring and a right sealing ring which are used for sealing fit with the valve core, wherein the valve body comprises a reaction kettle connecting end and a flange connecting end, and the left sealing ring is fixedly arranged at the reaction kettle connecting end;
Still include stop collar, flange, apron and clamp, one side of stop collar stretches into flange joint end, right sealing washer is fixed to be set up on the stop collar, flange's one end with the valve body can dismantle the connection, be used for prescribing a limit to the stop collar, the apron cooperatees with the clamp so that the apron seals flange's the other end, opens the apron during the use, rotates the case and makes the material get into reation kettle through getting into powder reation kettle and throw the ball valve for the material, lifts off flange, takes out the stop collar when clean, the case can be taken out by flange joint end.
Further, the stop collar comprises a stop collar body which is in plug connection fit with the flange connection end, an end face annular groove is formed in the end face of the flange connection end, a stop collar table which is matched with the end face annular groove is arranged at the outer side end of the stop collar body in a protruding mode in the radial direction, and the stop collar table is arranged in the end face annular groove when the stop collar body is inserted into the valve cavity, so that the stop collar is axially limited.
Further, at least two connector mounting holes communicated with the valve cavity are formed in the valve body, closeable quick connectors are arranged on the connector mounting holes, the quick connectors are opened during cleaning, gas or liquid for cleaning is introduced into the valve cavity through at least one of the quick connectors, and the gas or liquid flows out through the other quick connectors.
Further, the end part of the connecting flange is provided with a ring table matched with the cover plate, the cover plate is circular, a cover plate sealing gasket is arranged between the cover plate and the sealing end face, the cover plate presses the cover plate sealing gasket on the sealing end face, and the ring table and the end cover are hooped by the clamp.
Further, an annular groove is formed in the sealing end face of the annular table, and an annular convex rib matched with the annular groove is arranged on the cover plate sealing gasket, so that the annular convex rib is arranged in the annular groove when the cover plate sealing gasket is attached to the sealing end face.
Further, the ball valve for feeding the powder reaction kettle further comprises a joint cover plate, a joint cover plate sealing gasket and a joint clamp, wherein the joint cover plate, the joint cover plate sealing gasket and the joint clamp are used for sealing a quick joint, one end of the quick joint is in threaded connection with the joint mounting hole, the joint ring table is arranged at the other end of the quick joint, the joint cover plate presses the joint cover plate sealing gasket on the joint sealing end face, and the joint clamp is clamped by the joint end cover plate and the joint end cover.
Further, a joint ring groove is arranged on the joint sealing end face of the joint ring table, and a convex rib matched with the joint ring groove is arranged on the joint cover plate sealing gasket, so that the convex rib is arranged in the joint ring groove when the joint cover plate sealing gasket is attached to the joint sealing end face.
Further, set up on the valve body and be suitable for the valve rod pilot hole that the valve rod passed sets up the inner ring platform in this valve rod pilot hole, the middle part protrusion of valve rod sets up the valve rod spacing platform, the valve rod spacing platform with set up oilless bearing between the inner ring platform, the valve rod with still set up sealing filler between the valve rod pilot hole, sealing filler with set up down the setting circle between the oilless bearing, sealing filler's upside sets up the setting circle, cup joint belleville spring and clamp plate on the valve rod, the clamp plate through the bolt with the valve body links to each other, so that the clamp plate compresses tightly the belleville spring, provides the compensation to sealing filler by the belleville spring.
Further, the top of case sets up the U type groove, the bottom of valve rod set up with U type groove grafting complex rectangle joint portion, the both sides wall of rectangle joint portion with the lateral wall clearance fit in U type groove, so that the valve rod can drive when rotating the case rotates, the case rotates when the length direction in U type groove and the axial of valve body are unanimous, and the case can break away from the valve rod.
Further, a first sealing ring is arranged between the limiting ring table and the end face annular groove, and a second sealing ring is arranged between the connecting flange and the limiting sleeve.
The invention has the technical effects that: (1) Compared with the prior art, the ball valve for feeding the powder reaction kettle has the advantages that the limiting sleeve is fixed by the connecting flange, and the connecting flange and the valve body are fixed by the screw, so that the connecting flange is convenient to detach, and the valve core can be taken out only by detaching the connecting flange and taking out the limiting sleeve in the valve body during cleaning, thereby being convenient for cleaning the valve core and the valve cavity; (2) The arrangement of the plurality of joint mounting holes and the quick connector can lead in gas or liquid for cleaning into the valve cavity through the joint mounting holes so as to form a cleaning loop, thereby being convenient for cleaning the valve cavity, and also being convenient for cleaning the valve cavity and the valve core under the condition of not taking out the valve core, especially the dead angle at the inner top angle of the valve cavity, the cleaning effect is obviously improved, the device is well suitable for various and small batch production in the fields of medicine, chemical industry, food and the like, the cleaning efficiency of the reaction kettle is improved, and the cost is saved; (3) The connecting flange and the quick connector are tightly pressed and sealed by adopting the cover plate, the sealing gasket and the clamp, so that the disassembly, the assembly and the replacement are convenient; the ring grooves and the convex ribs are arranged, so that the sealing effect is enhanced; (4) One end of the ball valve for feeding the powder reaction kettle is directly connected with the reaction kettle, the other end of the ball valve is provided with a connecting flange, and materials enter the valve cavity through the connecting flange, so that the volume of the ball valve is saved; (5) The valve body and the valve core are made of metal with finish machining and high finish, and the valve is wear-resistant, corrosion-resistant and long in service life.
Drawings
The invention is described in further detail below with reference to the drawings of the specification:
FIG. 1 is a schematic cross-sectional structure of a ball valve for feeding a powder reaction kettle;
FIG. 2 is a schematic cross-sectional view of a connecting flange;
FIG. 3 is a schematic cross-sectional view of a quick connector;
fig. 4 is a partial enlarged view of the area a in fig. 1.
In the figure: valve body 1, joint mounting hole 11, reaction kettle connecting end 12, flange connecting end 13, valve cavity 14, stop collar 2, first sealing ring 21, second sealing ring 22, screw rod assembly 23, valve core 3, left sealing ring 31, right sealing ring 32, connecting flange 4, annular table 41, sealing end face 42, annular groove 43, connecting hole 44, valve rod 5, flange 51, valve rod stop table 52, oilless bearing 53, lower setting ring 54, sealing packing 55, upper setting ring 56, belleville spring 57, pressing plate 58, cover plate 6, clip 61, cover plate sealing gasket 62, quick connector 7, threaded connection 71, connector annular table 72, connector sealing end face 73, and connector annular groove 74.
Detailed Description
Embodiment 1 as shown in fig. 1, the ball valve special for powder reaction kettle feeding in this embodiment includes valve body 1, case 3, valve rod 5, flange 4, stop collar 2, and valve body 1's inside sets up valve pocket 14, and valve body 1 includes the reaction kettle link 12 that is used for with the reaction kettle flange coupling, is used for the flange coupling with flange 4, and valve core 3 is arranged in valve pocket 14, and valve rod 5's top stretches out valve body 1 setting, valve rod 5's bottom and the transmission cooperation of case 4 to make valve rod 5 can drive valve core 4 and rotate in valve body 1.
The stop collar 2 comprises a stop collar body which is in plug connection fit with the flange connection end 13, an end face annular groove is formed in the end face of the flange connection end 13, a stop collar table which is matched with the end face annular groove is arranged at the outer side end of the stop collar body in a protruding mode in the radial direction, so that the stop collar table is arranged in the end face annular groove when the stop collar body is inserted into the valve cavity 14, and a first sealing ring 21 is arranged between the stop collar table and the end face annular groove.
As shown in fig. 2, one end of the connecting flange 4 is provided with a connecting hole 44 suitable for the passage of a screw, so that the connecting flange 4 and the valve body 1 can be detachably connected through a plurality of screw assemblies 23, the end face of the connecting flange 4 compresses the limit sleeve, so that the limit ring table of the limit sleeve 2 is arranged between the end face of the flange connecting end 13 and the connecting flange 4 and used for limiting the position of the limit sleeve 2, and in order to ensure the sealing effect, a second sealing ring 22 is arranged between the end face of the connecting flange 4 and the end face of the limit sleeve 2.
The other end of the connecting flange 4 is sealed by a cover plate 6 and a clamp 61, the cover plate 6 is circular in shape and is matched with the end part of the connecting flange 4, the end part of the connecting flange 4 is provided with a ring table 41 in a protruding mode radially outwards, the front end face of the ring table 41 is used as a sealing end face 42 to be abutted with the inner side face of the cover plate 6, the rear end face of the ring table 41 and the outer side face of the cover plate 6 are obliquely arranged along the circumferential edge, the edges of the ring table 41 and the cover plate 6 are made to be thinner than the inner side of the cover plate 6, the clamp 62 comprises a left semi-ring and a right semi-ring which are in hinged fit, clamp screws used for screwing, grooves are formed in the inner sides of the left semi-ring and the right semi-ring, a cover plate sealing gasket 62 is arranged between the cover plate 6 and the sealing end face 42, the cover plate 6 presses the cover plate sealing gasket 62 on the sealing end face 42, a ring groove 43 is formed in the sealing end face 42 of the ring table 41, and annular ribs matched with the ring grooves 43 are arranged on the cover plate sealing gasket 62, when the cover plate sealing gasket 62 is attached to the sealing end face 42, the annular ribs are arranged in the ring groove 43, and the left semi-ring and the clamp screws and the clamp rings are adjusted.
The valve body 1 is provided with two joint mounting holes 11 communicated with the valve cavity 14, the two joint mounting holes 11 are respectively positioned at the center of the bottom end of the valve body 1 and the center of the side surface of the valve body 1, namely, the axial directions of the two joint mounting holes 11 are mutually perpendicular, each joint mounting hole 11 is provided with a closable quick joint 7, as shown in fig. 3, the inner wall of the joint mounting hole 11 is provided with internal threads, one end of the quick joint 7 is provided with a threaded connection part 71 in threaded fit with the joint mounting hole 11 and is used for being in threaded connection with the joint mounting hole 11, and a sealing ring is also required to be arranged during assembly so as to enhance the tightness; each quick connector 7 is sealed by a connector cover plate, a connector cover plate sealing gasket and a connector clamp (not shown in the figure), specifically, the other end of the quick connector 7 is provided with a connector ring table 72 in a radially outwards protruding mode, the front end face of the connector ring table 72 is a connector sealing end face 73, a connector ring groove 74 is arranged on the connector sealing end face 73, a convex rib matched with the connector ring groove 74 is arranged on the connector cover plate sealing gasket, when the connector cover plate sealing gasket is attached to the connector sealing end face 73, the convex rib is arranged in the connector ring groove 74, the connector clamp is composed of a left half ring, a right half ring and a clamp screw, the connector cover plate presses the connector cover plate sealing gasket on the connector sealing end face 73, and the connector ring table 72 and the connector end cover are clamped by the connector clamp. The joint clamp of the quick joint is opened during cleaning, and gas or liquid for cleaning is introduced into the valve cavity 14 from one of the quick joints 7 and flows out from the other quick joint.
The reaction kettle connecting end 12 is internally and fixedly provided with a left sealing ring 31 which is used for being in sealing fit with the valve core 3, and the limit sleeve 2 is internally and fixedly provided with a right sealing ring 32 which is used for being in sealing fit with the valve core 3.
The top of case 3 sets up U type groove, and the bottom of valve rod 5 sets up with U type groove grafting complex rectangle joint portion, the both sides wall of rectangle joint portion and the lateral wall clearance fit in U type groove to can drive case 3 and rotate in valve pocket 14 when making valve rod 5 rotate, when case 3 rotated to the length direction in U type groove and the axial of valve body 1 unanimous, the case can break away from valve rod 5, easily assembly. The valve body 1 is provided with a valve rod assembly hole which is suitable for the valve rod 5 to pass through, an inner ring table which is used for limiting the valve rod is arranged in the valve rod assembly hole, a valve rod limiting table 52 is arranged in the middle of the valve rod 5 in a protruding mode, an oilless bearing 53 is arranged between the valve rod limiting table 52 and the inner ring table, as shown in fig. 4, the oilless bearing 53 comprises an axial sleeve part and a radial gasket part which are integrally arranged, when the valve body 1 is assembled, the oilless bearing 53 is sleeved on the valve rod 5, a radial gasket part of the oilless bearing 53 is arranged between the upper annular surface of the valve rod limiting table 52 and the lower annular surface of the inner ring table, the axial sleeve part is arranged between the inner annular surface of the inner ring table and the valve rod 5, a lower setting ring 54 is arranged on the inner ring table, a sealing filler 55 pressed by polytetrafluoroethylene fiber is arranged on the upper side of the lower setting ring 54, an upper setting ring 56 is arranged on the upper side of the sealing filler 55, a pressing plate 58 is arranged on the upper side of the upper setting ring 56, a pressing plate 58 is arranged on the upper side of the butterfly spring 57, a center of the pressing plate 58 is provided with a through hole which the valve rod 5 is suitable for the valve rod 5 to pass through, and two sides of the pressing plate 58 are respectively provided with a lug block, so that the lug bolts are respectively arranged on the lug block can be connected with the pressing plate 58 through the pressing plate 1, the sealing filler 55 and the sealing filler can be tightly pressed by the sealing filler 55.
Preferably, the upper side of the valve body 1 is also used for assembling a power mechanism provided flange 51, the top end of the valve rod 5 penetrates through the flange 51, and a worm gear device pushed by a hand wheel or an air cylinder is optionally in transmission fit with the valve rod 5 and used for driving the valve rod 5 to rotate.
When in use, the cover plate 6 is opened, the valve core 3 is rotated, so that materials enter the reaction kettle through the ball valve for feeding the powder reaction kettle, the connecting flange 4 is dismounted, the limiting sleeve 2 is taken out when in cleaning, and the valve core 3 can be taken out from the flange connecting end 13; or the quick connector 7 is used for introducing gas or liquid for cleaning into the valve cavity 14 to form a cleaning loop, so that the valve cavity 14 is cleaned, and the valve cavity 14 and the valve core 3 can be cleaned without taking out the valve core 3.
It is apparent that the above examples are merely illustrative of the present invention and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious changes and modifications which come within the spirit of the invention are desired to be protected.
Claims (4)
1. The ball valve special for feeding the powder reaction kettle comprises a valve body with a valve cavity, a valve core arranged in the valve cavity, a valve rod with one end in transmission fit with the valve core and the other end extending out of the valve body, and a left sealing ring and a right sealing ring which are used for being in sealing fit with the valve core, wherein the valve body comprises a reaction kettle connecting end and a flange connecting end, and the left sealing ring is fixedly arranged at the reaction kettle connecting end; it is characterized in that the method comprises the steps of,
The device comprises a valve body, a limiting sleeve, a connecting flange, a cover plate and a clamp, wherein one side of the limiting sleeve extends into the connecting end of the flange, a right sealing ring is fixedly arranged on the limiting sleeve, one end of the connecting flange is detachably connected with the valve body and used for limiting the limiting sleeve, the cover plate is matched with the clamp to enable the cover plate to seal the other end of the connecting flange, when the device is used, the cover plate is opened, a valve core is rotated to enable materials to enter the reaction kettle through a ball valve for feeding into the powder reaction kettle, when the device is cleaned, the connecting flange is detached, the limiting sleeve is taken out, and the valve core can be taken out from the connecting end of the flange;
the limit sleeve comprises a limit sleeve body which is in plug-in fit with the flange connecting end;
The valve body is provided with at least two joint mounting holes communicated with the valve cavity, each joint mounting hole is provided with a closable quick joint, the quick joints are opened during cleaning, at least one quick joint is used for introducing gas or liquid for cleaning into the valve cavity, and the gas or liquid flows out from the other quick joints;
The end part of the connecting flange is provided with a ring table matched with the cover plate, the front end surface of the ring table is used as a sealing end surface to be abutted against the inner side surface of the cover plate, the cover plate is circular, a cover plate sealing gasket is arranged between the cover plate and the sealing end surface, the cover plate presses the cover plate sealing gasket on the sealing end surface, and the ring table and the end cover are hooped by a clamp;
the sealing end face of the annular table is provided with an annular groove, and the cover plate sealing gasket is provided with an annular convex rib matched with the annular groove, so that the annular convex rib is arranged in the annular groove when the cover plate sealing gasket is attached to the sealing end face;
The special ball valve for feeding the powder reaction kettle further comprises: the quick connector is used for feeding a sealed connector cover plate, a connector cover plate sealing gasket and a connector clamp to the quick connector, one end of the quick connector is in threaded connection with the connector mounting hole, the other end of the quick connector is provided with a connector ring table, the front end face of the connector ring table is a connector sealing end face, the connector cover plate presses the connector cover plate sealing gasket on the connector sealing end face, and the connector ring table and the connector end cover are clamped by the connector clamp.
2. The ball valve special for feeding the powder reaction kettle according to claim 1, wherein a joint ring groove is arranged on a joint sealing end face of the joint ring table, and a convex rib matched with the joint ring groove is arranged on the joint cover plate sealing gasket, so that the convex rib is arranged in the joint ring groove when the joint cover plate sealing gasket is attached to the joint sealing end face.
3. The ball valve special for feeding the powder reaction kettle according to claim 1, wherein a valve rod assembly hole suitable for the valve rod to pass through is formed in the valve body, an inner annular table is arranged in the valve rod assembly hole, an oil-free bearing is arranged between the valve rod limit table and the inner annular table in a protruding mode, a sealing filler is further arranged between the valve rod and the valve rod assembly hole, a lower setting ring is arranged between the sealing filler and the oil-free bearing, an upper setting ring is arranged on the upper side of the sealing filler, a butterfly spring and a pressing plate are sleeved on the valve rod, and the pressing plate is connected with the valve body through bolts so that the pressing plate compresses the butterfly spring.
4. The ball valve special for feeding the powder reaction kettle according to claim 3, wherein a U-shaped groove is formed in the top end of the valve core, a rectangular clamping part in plug-in fit with the U-shaped groove is arranged at the bottom end of the valve rod, and two side walls of the rectangular clamping part are in clearance fit with the side walls of the U-shaped groove, so that the valve rod can drive the valve core to rotate when rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358987.7A CN109915618B (en) | 2019-04-30 | 2019-04-30 | Ball valve special for powder reaction kettle feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358987.7A CN109915618B (en) | 2019-04-30 | 2019-04-30 | Ball valve special for powder reaction kettle feeding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109915618A CN109915618A (en) | 2019-06-21 |
| CN109915618B true CN109915618B (en) | 2024-04-26 |
Family
ID=66978888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910358987.7A Active CN109915618B (en) | 2019-04-30 | 2019-04-30 | Ball valve special for powder reaction kettle feeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109915618B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20004291U1 (en) * | 2000-03-08 | 2000-08-03 | Braun, Günter, 57462 Olpe | Shut-off valve with plug-in coupling |
| KR20100011222U (en) * | 2009-05-08 | 2010-11-17 | 영동금속(주) | The quick-joint type connection valve |
| CN202646754U (en) * | 2012-06-20 | 2013-01-02 | 慈溪市润鑫电器有限公司 | Manual washing valve in pumpless water purifying system |
| FR3001522A3 (en) * | 2013-01-30 | 2014-08-01 | Zhou Jichang | QUICK CONNECT FLANGE ASSEMBLY FOR TWO-UNIT AIR CONDITIONER |
| CN205841844U (en) * | 2016-06-27 | 2016-12-28 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of manual flanged ball valve |
| CN206487917U (en) * | 2017-01-16 | 2017-09-12 | 浙江达威电子股份有限公司 | The waste water ratio electromagnetic valve of anti-blocking self-cleaning |
| CN108278382A (en) * | 2018-04-10 | 2018-07-13 | 博莱阀门（常州）有限公司 | A kind of floating ball valve |
| CN209818792U (en) * | 2019-04-30 | 2019-12-20 | 博莱阀门（常州）有限公司 | Special ball valve for feeding powder reaction kettle |
-
2019
- 2019-04-30 CN CN201910358987.7A patent/CN109915618B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20004291U1 (en) * | 2000-03-08 | 2000-08-03 | Braun, Günter, 57462 Olpe | Shut-off valve with plug-in coupling |
| KR20100011222U (en) * | 2009-05-08 | 2010-11-17 | 영동금속(주) | The quick-joint type connection valve |
| CN202646754U (en) * | 2012-06-20 | 2013-01-02 | 慈溪市润鑫电器有限公司 | Manual washing valve in pumpless water purifying system |
| FR3001522A3 (en) * | 2013-01-30 | 2014-08-01 | Zhou Jichang | QUICK CONNECT FLANGE ASSEMBLY FOR TWO-UNIT AIR CONDITIONER |
| CN205841844U (en) * | 2016-06-27 | 2016-12-28 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of manual flanged ball valve |
| CN206487917U (en) * | 2017-01-16 | 2017-09-12 | 浙江达威电子股份有限公司 | The waste water ratio electromagnetic valve of anti-blocking self-cleaning |
| CN108278382A (en) * | 2018-04-10 | 2018-07-13 | 博莱阀门（常州）有限公司 | A kind of floating ball valve |
| CN209818792U (en) * | 2019-04-30 | 2019-12-20 | 博莱阀门（常州）有限公司 | Special ball valve for feeding powder reaction kettle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109915618A (en) | 2019-06-21 |
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