CN108007168B - Valve cleaning and drying cavity, valve cleaning and drying system and valve cleaning and drying method - Google Patents
Valve cleaning and drying cavity, valve cleaning and drying system and valve cleaning and drying method Download PDFInfo
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- CN108007168B CN108007168B CN201611013826.7A CN201611013826A CN108007168B CN 108007168 B CN108007168 B CN 108007168B CN 201611013826 A CN201611013826 A CN 201611013826A CN 108007168 B CN108007168 B CN 108007168B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the field of air valve cleaning and drying, in particular to an air valve cleaning and drying cavity, an air valve cleaning and drying system and an air valve cleaning and drying method, wherein the air valve cleaning and drying cavity can be filled with air and cleaning liquid, the air valve is the air valve drying cavity when the air is filled with the air, the air valve is suspended in the air valve cleaning cavity or the air valve drying cavity under the action of the cleaning liquid or the air, and the air valve is rotated at a high speed along with the rotation direction of water flow or air flow, so that the air valve and the cleaning liquid or the drying air are contacted with each other more fully, and the cleaning efficiency and the cleaning effect are obviously improved; the cavity end cover of the valve cleaning and drying cavity is controlled by adopting a rotary pressing cylinder, so that the valve cleaning and drying cavity is high in automation and convenient to close, and the production efficiency can be remarkably improved; in the production process of the valve cleaning and drying system, the cleaning liquid does not or only slightly infiltrate, and the cleaning and sanitation of the station are not affected.
Description
Technical Field
The invention relates to the field of cleaning and drying equipment, in particular to a valve cleaning and drying cavity, a valve cleaning and drying system and a valve cleaning and drying method.
Background
At present, in the valve production and processing process, the processed valve is required to be cleaned to remove greasy dirt and fragments on the surface of the valve, the valve is hung on a production line by adopting a cleaning and drying method of a production line, then the valves are sprayed with cleaning liquid by adopting spray heads at two sides of the valve, and the valve is dried by adopting a method of blowing air at the tail end of the production line. There is therefore a need in the art for valve cleaning to provide a new device to replace.
Disclosure of Invention
The invention aims at solving the defects of the prior art, and provides a closed valve cleaning and drying cavity which can clean and dry a valve in a suspension vortex without dead angles, and meanwhile, cleaning liquid can be directly recovered, and the whole station is dry and fresh.
In order to achieve the above purpose, the present invention can be achieved by the following technical scheme:
the invention provides a valve cleaning and drying cavity, which comprises:
the cavity with a hollow penetrating structure comprises an upper cavity and a lower cavity which are mutually communicated, wherein the inner diameter of the upper cavity is of a top type structure, the upper part of the upper cavity is of a cylindrical structure, the lower part of the upper cavity is of a conical structure, the lower cavity is of a cylindrical hole type structure, the upper part of the lower cavity is communicated with the center of the bottom of the upper cavity, the lower part of the lower cavity penetrates through the lower part of the cavity, the lower part of the lower cavity is used for being connected with a water/air pipe, and the side wall of the cylindrical structure at the upper part of the upper cavity of the cavity is provided with a water/air outlet which is communicated with the outer wall of the cavity;
the water inlet/air chamber is provided with a corresponding water inlet/air port, the water inlet/air chamber surrounds the upper half part of the upper cavity and the lower cavity of the cavity except the water outlet/air port, the upper part of the lower cavity of the water inlet/air chamber is provided with a circle of evenly distributed inclined downward spray holes, the middle part of the conical structure of the upper cavity of the water inlet/air chamber is provided with a circle of evenly distributed inclined upward spray holes, and the middle part of the cylindrical structure of the upper cavity of the water inlet/air chamber is provided with a circle of evenly distributed inclined downward spray holes; wherein, a certain chamfer exists between all the spray holes and the valve axis in the same direction;
the cavity end cover is fixed above the cavity through the rotary pressing cylinder, an end cover groove is formed in the upper portion of the cavity, and a sealing ring corresponding to the end cover groove is arranged on the cavity end cover.
Preferably, the cavity and the cavity end cover are made of hard plastic materials, a sealing ring is arranged at the cavity end cover, and the bottom of the cavity end cover is of a smooth and flat structure.
Preferably, the diameter of the lower cavity of the cavity is larger than that of the valve rod, the diameter of the upper cavity of the cavity is larger than the outer diameter of the valve head, and the thickness of the edge of the valve head is smaller than that of the water draining/air opening.
Preferably, the height of the conical structure at the lower part of the upper cavity is consistent with the height of the valve head.
The invention also provides a valve cleaning and drying system, which comprises: the air valve cleaning and drying device comprises a water collecting tank, a water supply pump, a compressed air tank, a control system and the air valve cleaning and drying cavities, wherein the number of the air valve cleaning and drying cavities is even, one half of the air valve cleaning and drying cavities are set as air valve cleaning cavities, and the other half of the air valve cleaning and drying cavities are set as air valve drying cavities; the water supply pump is connected with a water inlet of the inlet chamber of the valve cleaning cavity through a pipeline, and a water outlet of the side wall of the valve cleaning cavity and a bottom connecting drain pipe are connected with the water collecting tank through pipelines; the compressed air tank is connected with an air inlet of the air inlet chamber of the air valve drying cavity through a pipeline, and a filter tip is arranged at an exhaust port of the side wall of the air valve drying cavity and an exhaust pipe connected with the bottom of the air valve drying cavity; solenoid valves are arranged on the main pipelines of the water supply pump and the compressed air tank; the rotary pressing cylinders of the cavity end cover of the valve cleaning cavity and the cavity end cover of the drying cavity are respectively controlled in a centralized manner; the rotary pressing cylinders of the water supply pump, the electromagnetic valve on the main pipeline of the compressed air tank and the cavity end cover of the door cleaning cavity and the cavity end cover of the drying cavity are controlled by a control system.
Preferably, an air pressure gauge is arranged on the air outlet pipe of the air compression tank.
Preferably, a flowmeter is arranged on a main pipeline of the water supply pump; and all pipeline interfaces of the valve cleaning cavity and the valve drying cavity are of a threaded structure.
In addition, the invention also provides a valve cleaning and drying method, which uses the valve cleaning and drying system and comprises the following steps: s1: before cleaning, checking the air tightness of the connecting parts of the pipelines of the system, and checking the opening and closing conditions of the cavity end covers of the valve cleaning cavity and the valve drying cavity; s2: the control system controls the rotary pressing cylinder of the valve cleaning cavity to open the cavity end cover of the valve cleaning cavity, one valve is placed in each cleaning cavity, and then the control system controls the rotary pressing cylinder to close the cavity end cover of the valve cleaning cavity; s3: starting a water supply pump, starting an electromagnetic valve of a main pipeline of the water supply pump through a control system, enabling cleaning liquid to enter a water inlet chamber of each corresponding valve cleaning cavity through each branch pipe at the moment, spraying water into the cavity through each spray hole to drive the valve to rotate at a high speed, and recycling the cleaning liquid to a water collecting tank from a water outlet on the side wall of the cavity and a water drain pipe at the bottom; s4: after cleaning, the electromagnetic valve on the water supply pipeline is closed by the control system, or the motor is turned off together, then the control system opens the cavity end cover of the cleaning cavity drying cavity, the valve cleaned by the valve cleaning cavity is moved into the valve drying cavity, the valve to be cleaned is placed into the empty valve cleaning cavity, and then the control system controls the rotary pressing cylinder to close the cavity end cover of the valve cleaning cavity and the valve drying cavity; s5, starting the water supply pump again, starting an electromagnetic valve on a main pipeline of the water supply pump and an electromagnetic valve on a main pipeline of the air compression tank, cleaning the air valve by using an air valve cleaning cavity as in step S3, jetting air to the air valve by using dry air through each jet hole in the air inlet chamber, enabling the air valve to rotate at a high speed under the action of the dry air, and discharging moisture and air flow together through an exhaust port on the side wall of the air valve drying cavity and an exhaust pipe at the bottom of the air valve drying cavity under the action of the air flow; s6: after the valve cleaning cavity and the valve drying cavity are completed, the control system controls the rotary pressing cylinder to open all the cavity end covers of the valve cleaning cavity and the valve drying cavity, the valve in the valve drying cavity can enter the next processing step, the valve in the valve cleaning cavity enters the valve drying cavity, and then the action of the step S5 is repeated for cyclic production.
Preferably, the cleaning solution in the valve cleaning cavity contains 1% of polyoxyethylene octyl phenol ether, 0.3% of sodium hydroxide, 0.5% of sodium nitrite, 5% of ethanol and the balance of water, and in order to prevent ethanol from volatilizing, the water collecting tank in the invention can be designed to be of a closed structure.
Preferably, the flow velocity of the cleaning liquid in the valve cleaning cavity in each spray hole is required to be 6-8 m/s, and the flow velocity of the drying air in the valve drying cavity is required to be 50-60 m/s.
The principle that the valve cleaning and drying cavity can enable the valve to rotate in a suspending mode in the cavity is briefly described below by taking a valve cleaning cavity as an example: the valve is placed in the cavity, the cavity end cover is closed, water flow enters the water inlet chamber from the water inlet of the side wall of the cavity, and is sprayed out from the obliquely downward spray holes at the upper part of the upper cavity, the obliquely upward spray holes at the lower part of the upper cavity and the obliquely downward spray holes at the lower cavity respectively in the water inlet chamber through diversion, wherein the valve can be suspended mainly under the action of the spray holes at the upper part of the cavity, the spray holes at the upper part of the upper cavity are obliquely downward sprayed to the top of the valve head, the valve head is given a downward impulsive force, the obliquely upward spray holes at the lower part of the upper cavity give the valve head an upward impulsive force, at the moment, the upward spray holes at the lower part of the upper cavity are not compared with the upward force, the downward force is greater than the gravity of the valve, the unique design point is that the upward force is positioned at the water outlet at the upper part of the upper cavity, if the upward force is greater than the downward force, at the moment, the lower part of the valve is pushed upwards, the valve head is stopped from the water outlet at the upper part of the upper cavity, at the moment, the water accumulation at the upper part of the upper cavity is increased, the water pressure is pushed downwards, the valve is prevented from being discharged to the lower part of the valve cavity, and the upper cavity is stopped, the upper cavity is in turn, and the upper cavity is in a dynamic state, and the valve is suspended, and is in balance; then, all spray holes have a tangential angle of a point on the inner walls of the upper cavity and the lower cavity of the cavity in the same direction, so that water flow sprayed from the spray holes forms a vortex, and the suspended air valve rotates under the action of the vortex. The principle of the valve drying chamber is the same as that of the valve drying chamber, and the description is omitted here.
Compared with the prior art, the invention has the beneficial effects that: (1) According to the air valve cleaning and drying cavity, air can be introduced, the air valve drying cavity is used for introducing air, the air valve cleaning cavity is used for introducing liquid, the air valve is suspended under the action of the cleaning liquid or air in the air valve cleaning cavity or the air valve drying cavity and rotates at a high speed along with the rotation direction of water flow or air flow, so that the air valve and the cleaning liquid or the drying air are contacted with each other more fully, and the cleaning efficiency and the cleaning effect are remarkably improved; (2) The cavity end cover of the valve cleaning and drying cavity is controlled by adopting a rotary pressing cylinder, so that the valve cleaning and drying cavity is high in automation and convenient to close, and the production efficiency can be remarkably improved; (3) In the production process of the valve cleaning and drying system, the cleaning liquid does not or only slightly infiltrate, and the cleaning and sanitation of the station are not affected.
Drawings
FIG. 1 is a schematic diagram of a valve cleaning and drying chamber according to the present invention.
FIG. 2 is a view showing the connection of the valve cleaning cavity of the valve cleaning and drying system according to the present invention.
FIG. 3 is a valve drying chamber connection diagram of the valve cleaning and drying system of the present invention.
FIG. 4 is a flow chart of a method for cleaning and drying a valve according to the present invention.
In the figure: 1 cavity, 2 upper cavity, 3 lower cavity, 4 water inlet/air chamber, 5 water inlet/air port, 6 water drain/air pipe, 7 water drain/air port, 8 orifice, 9 cavity end cover, 10 valve, 11 water collecting tank, 12 first solenoid valve, 13 valve cleaning cavity, 14 air compression tank, 15 second solenoid valve, 16 barometer, 17 valve drying cavity, 18 filter tip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
The embodiment provides a valve cleaning and drying chamber, please refer to fig. 1, which includes: the cavity body 1 with a hollow penetrating structure comprises an upper cavity 2 and a lower cavity 3 which are communicated with each other, wherein the upper cavity 2 is of a top type structure, the upper part of the upper cavity is of a cylindrical structure, the lower part of the upper cavity is of a conical structure, the lower cavity 3 is of a cylindrical hole type structure, the upper part of the lower cavity is communicated with the center of the bottom of the upper cavity 2, the lower part of the lower cavity is penetrated through the lower part of the cavity body 1, the lower part of the lower cavity 3 is used for being connected with a water/air pipe 6, and a water/air drain port 7 is arranged on the side wall of the cylindrical structure on the upper part of the upper cavity 2 of the cavity body 1 and is communicated with the outer wall of the cavity body 1;
the water inlet/air chamber 4 surrounds the upper part of the cavity 1, the water inlet/air chamber 4 is provided with a corresponding water inlet/air port 5, the water inlet/air chamber 4 surrounds the upper half part of the upper cavity 2 of the cavity 1 and the lower cavity 3 of the cavity 1 except the water outlet/air port 7, the water inlet/air chamber 4 is provided with a circle of evenly distributed inclined downward spray holes 8 at the upper part of the lower cavity 3 of the cavity 1, the middle part of the conical structure of the upper cavity 2 of the cavity 1 of the water inlet/air chamber 4 is provided with a circle of evenly distributed inclined upward spray holes 8, and the middle part of the cylindrical structure of the upper cavity 2 of the cavity is provided with a circle of evenly distributed inclined downward spray holes 8; wherein, a certain chamfer exists between all the spray holes 8 and the axis of the valve 10 in the same direction;
the cavity end cover 9, cavity end cover 9 is fixed in cavity 1 top through rotatory cylinder that pushes down, cavity 1 upper portion is equipped with the end cover groove, is equipped with the sealing washer corresponding with the end cover groove on the cavity end cover, and wherein rotatory cylinder that pushes down and theory of operation belong to the common general knowledge in the art, and it is not repeated to carry out.
The centers of the upper cavity 2 and the lower cavity 3 of the cavity body 1 are positioned on the same shaft, the inner diameters of all parts of the upper cavity 2 and the lower cavity 3 are required to ensure that the valve 10 can be placed in the cavity body, but the valve body is not too large or too small, the water pressure is reduced, the vortex of water flow is not easily generated due to too small water pressure, meanwhile, the resistance of the valve 10 is increased, and the optimal clearance between the inner diameters of all parts of the cavity body 1 and all parts of the valve 10 is kept to be 1-3 mm.
Meanwhile, the chamfer angle of the spray hole 8 and the axis of the valve 10 in the same direction is kept between 30 degrees and 60 degrees, and is optimally 45 degrees, so that the vortex rotation speed is too high, the contact between the valve 10 and cleaning liquid is influenced, meanwhile, the loss to equipment is large, the vortex is too small due to too small loss, and the cleaning effect is reduced due to too slow rotation speed of the valve 10.
It should be noted that, in this embodiment, the cavity end cover 9 may be closed by a lock catch or an external thread provided on the cavity end cover 9, and an internal thread provided on the upper end of the cavity 1, instead of using a rotary pressing cylinder.
It will be appreciated by those skilled in the art that the present invention may be used to clean and dry similar devices in construction, in addition to the valve.
Example 2
The embodiment provides a valve cleaning and drying system, which comprises: the number of the water collecting tank 11, the water supply pump, the compressed air tank 14, the control system and the valve cleaning and drying cavities in the embodiment 1 is even, wherein one half of the valve cleaning and drying cavities are set as valve cleaning cavities 13, and the other half of the valve cleaning and drying cavities are set as valve drying cavities 17; referring to fig. 2, the water supply pump is connected with the water inlet of the water inlet chamber of the valve cleaning chamber 13 through a pipeline, and the water outlet of the side wall of the valve cleaning chamber and the bottom connecting drain pipe are both connected with the water collecting tank through pipelines; referring to fig. 3, the compressed air tank is connected with an air inlet of an air inlet chamber of the air valve drying cavity through a pipeline, and filters are arranged at exhaust ports on the side wall of the air valve drying cavity and exhaust pipes connected with the bottom of the air valve drying cavity; solenoid valves are arranged on the main pipelines of the water supply pump and the compressed air tank; the rotary pressing cylinders of the cavity end cover of the valve cleaning cavity and the cavity end cover of the drying cavity are respectively controlled in a centralized manner; the rotary pressing cylinders of the water supply pump, the electromagnetic valve on the main pipeline of the compressed air tank and the cavity end cover of the door cleaning cavity and the cavity end cover of the drying cavity are controlled by a control system.
Specifically, in order to carry out visual management and control to the air supply pressure of accurate valve dry cavity portion in daily production, be equipped with the barometer on the air compression jar outlet duct.
In particular, in order to visually control the water supply rate of the valve cleaning area, a flowmeter is arranged on a main pipeline of the water supply pump; and all pipeline interfaces of the valve cleaning cavity and the valve drying cavity are of a threaded structure.
In addition, the control system in this embodiment can easily control each solenoid valve and each rotary pressing cylinder by a person skilled in the art, and can realize different production modes by changing the path controlled by the control system, which is not described in detail in this embodiment for saving the space.
Example 3
The present embodiment provides a valve cleaning and drying method, using the valve cleaning and drying system as described in embodiment 2, comprising the steps of: s1: before cleaning, checking the air tightness of the connecting parts of the pipelines of the system, and checking the opening and closing conditions of the cavity end covers of the valve cleaning cavity and the valve drying cavity; s2: the control system controls the rotary pressing cylinder of the valve cleaning cavity to open the cavity end cover of the valve cleaning cavity, one valve is placed in each cleaning cavity, and then the control system controls the rotary pressing cylinder to close the cavity end cover of the valve cleaning cavity; s3: starting a water supply pump, starting an electromagnetic valve of a main pipeline of the water supply pump through a control system, enabling cleaning liquid to enter a water inlet chamber of each corresponding valve cleaning cavity through each branch pipe at the moment, spraying water into the cavity through each spray hole to drive the valve to rotate at a high speed, and recycling the cleaning liquid to a water collecting tank from a water outlet on the side wall of the cavity and a water drain pipe at the bottom; s4: after cleaning, the electromagnetic valve on the water supply pipeline is closed by the control system, or the motor is turned off together, then the control system opens the cavity end cover of the cleaning cavity drying cavity, the valve cleaned by the valve cleaning cavity is moved into the valve drying cavity, the valve to be cleaned is placed into the empty valve cleaning cavity, and then the control system controls the rotary pressing cylinder to close the cavity end cover of the valve cleaning cavity and the valve drying cavity; s5, starting the water supply pump again, starting an electromagnetic valve on a main pipeline of the water supply pump and an electromagnetic valve on a main pipeline of the air compression tank, cleaning the air valve by using an air valve cleaning cavity as in step S3, jetting air to the air valve by using dry air through each jet hole in the air inlet chamber, enabling the air valve to rotate at a high speed under the action of the dry air, and discharging moisture and air flow together through an exhaust port on the side wall of the air valve drying cavity and an exhaust pipe at the bottom of the air valve drying cavity under the action of the air flow; s6: after the valve cleaning cavity and the valve drying cavity are completed, the control system controls the rotary pressing cylinder to open all the cavity end covers of the valve cleaning cavity and the valve drying cavity, the valve in the valve drying cavity can enter the next processing step, the valve in the valve cleaning cavity enters the valve drying cavity, and then the action of the step S5 is repeated for cyclic production.
Specifically, the air valve in the air valve cleaning cavity can be fully contacted with the air valve, so that the cleaning solution adopted by the invention can achieve better cleaning effect compared with the traditional cleaning solution in low concentration, and the cleaning solution in the air valve cleaning cavity contains 1% of polyoxyethylene octyl phenol ether, 0.3% of sodium hydroxide, 0.5% of sodium nitrite, 5% of ethanol and the balance of water, and can be designed into a closed structure to prevent ethanol from volatilizing.
Specifically, the flow velocity of the cleaning liquid in the valve cleaning cavity in each spray hole is required to be 6-8 m/s, and the flow velocity of the drying air in the valve drying cavity is required to be 50-60 m/s.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. A valve cleaning and drying chamber, comprising:
the cavity with a hollow penetrating structure comprises an upper cavity and a lower cavity which are mutually communicated, wherein the inner diameter of the upper cavity is of a top type structure, the upper part of the upper cavity is of a cylindrical structure, the lower part of the upper cavity is of a conical structure, the lower cavity is of a cylindrical hole type structure, the upper part of the lower cavity is communicated with the center of the bottom of the upper cavity, the lower part of the lower cavity penetrates through the lower part of the cavity, the lower part of the lower cavity is used for being connected with a water/air pipe, and the side wall of the cylindrical structure at the upper part of the upper cavity of the cavity is provided with a water/air outlet which is communicated with the outer wall of the cavity;
the water inlet/air chamber is provided with a corresponding water inlet/air port, the water inlet/air chamber surrounds the upper half part of the upper cavity and the lower cavity of the cavity except the water outlet/air port, the upper part of the lower cavity of the water inlet/air chamber is provided with a circle of evenly distributed inclined downward spray holes, the middle part of the conical structure of the upper cavity of the water inlet/air chamber is provided with a circle of evenly distributed inclined upward spray holes, and the middle part of the cylindrical structure of the upper cavity of the water inlet/air chamber is provided with a circle of evenly distributed inclined downward spray holes; wherein, a certain chamfer exists between all the spray holes and the valve axis in the same direction;
the cavity end cover is fixed above the cavity through the rotary pressing cylinder, an end cover groove is formed in the upper portion of the cavity, and a sealing ring corresponding to the end cover groove is arranged on the cavity end cover.
2. The valve cleaning and drying cavity according to claim 1, wherein the cavity and the cavity end cover are made of hard plastic materials, a sealing ring is arranged at the cavity end cover, and the bottom of the cavity end cover is of a smooth and flat structure.
3. A valve cleaning and drying chamber according to claim 2, wherein the diameter of the lower chamber of the chamber is larger than the diameter of the valve stem, the diameter of the upper chamber of the chamber is larger than the outer diameter of the valve head, and the thickness of the edge of the valve head is smaller than the diameter of the drain/port.
4. A valve cleaning and drying chamber according to claim 3, wherein the height of the conical structure in the lower part of the upper chamber corresponds to the height of the valve head.
5. A valve cleaning and drying system, the system comprising: the air valve cleaning and drying device comprises a water collecting tank, a water supply pump, a compressed air tank, a control system and the air valve cleaning and drying cavities as set forth in claim 1, wherein the number of the air valve cleaning and drying cavities is even, one half of the air valve cleaning and drying cavities are set as air valve cleaning cavities, and the other half of the air valve cleaning and drying cavities are set as air valve drying cavities; the water supply pump is connected with a water inlet of the inlet chamber of the valve cleaning cavity through a pipeline, and a water outlet of the side wall of the valve cleaning cavity and a bottom connecting drain pipe are connected with the water collecting tank through pipelines; the compressed air tank is connected with an air inlet of the air inlet chamber of the air valve drying cavity through a pipeline, and a filter tip is arranged at an exhaust port of the side wall of the air valve drying cavity and an exhaust pipe connected with the bottom of the air valve drying cavity; solenoid valves are arranged on the main pipelines of the water supply pump and the compressed air tank; the rotary pressing cylinders of the cavity end cover of the valve cleaning cavity and the cavity end cover of the drying cavity are respectively controlled in a centralized manner; the rotary pressing cylinders of the water supply pump, the electromagnetic valve on the main pipeline of the compressed air tank and the cavity end cover of the door cleaning cavity and the cavity end cover of the drying cavity are controlled by a control system.
6. The valve cleaning and drying system according to claim 5, wherein an air pressure gauge is provided on the air outlet pipe of the compressed air tank.
7. The valve cleaning and drying system according to claim 5, wherein a flowmeter is arranged on a main pipeline of the water supply pump; and all pipeline interfaces of the valve cleaning cavity and the valve drying cavity are of a threaded structure.
8. A valve cleaning and drying method, characterized in that the valve cleaning and drying system according to claim 5 is used, comprising the steps of: s1: before cleaning, checking the air tightness of the connecting parts of the pipelines of the system, and checking the opening and closing conditions of the cavity end covers of the valve cleaning cavity and the valve drying cavity; s2: the control system controls the rotary pressing cylinder of the valve cleaning cavity to open the cavity end cover of the valve cleaning cavity, one valve is placed in each cleaning cavity, and then the control system controls the rotary pressing cylinder to close the cavity end cover of the valve cleaning cavity; s3: starting a water supply pump, starting an electromagnetic valve of a main pipeline of the water supply pump through a control system, enabling cleaning liquid to enter a water inlet chamber of each corresponding valve cleaning cavity through each branch pipe at the moment, spraying water into the cavity through each spray hole to drive the valve to rotate at a high speed, and recycling the cleaning liquid to a water collecting tank from a water outlet on the side wall of the cavity and a water drain pipe at the bottom; s4: after cleaning, the electromagnetic valve on the water supply pipeline is closed by the control system, or the motor is turned off together, then the control system opens the cavity end cover of the cleaning cavity drying cavity, the valve cleaned by the valve cleaning cavity is moved into the valve drying cavity, the valve to be cleaned is placed into the empty valve cleaning cavity, and then the control system controls the rotary pressing cylinder to close the cavity end cover of the valve cleaning cavity and the valve drying cavity; s5, starting the water supply pump again, starting an electromagnetic valve on a main pipeline of the water supply pump and an electromagnetic valve on a main pipeline of the compressed air tank, cleaning the air valve by using an air valve cleaning cavity as in step S3, jetting air to the air valve by using dry air through each jet hole in an air inlet chamber, enabling the air valve to rotate at a high speed under the action of the dry air, and discharging moisture and air flow together through an exhaust port on the side wall of the air valve drying cavity and an exhaust pipe at the bottom of the air valve drying cavity under the action of the air flow; s6: after the valve cleaning cavity and the valve drying cavity are completed, the control system controls the rotary pressing cylinder to open all the cavity end covers of the valve cleaning cavity and the valve drying cavity, the valve in the valve drying cavity enters the next processing step, the valve in the valve cleaning cavity enters the valve drying cavity, and then the action of the step S5 is repeated for cyclic production.
9. The method according to claim 8, wherein the cleaning solution in the valve cleaning chamber contains 1% polyoxyethylene octyl phenol ether, 0.3% sodium hydroxide, 0.5% sodium nitrite, 5% ethanol, and the balance water.
10. The valve cleaning and drying method according to claim 8, wherein the flow velocity of the cleaning liquid in the valve cleaning cavity is required to be 6-8 m/s in each spray hole, and the flow velocity of the drying air in the valve drying cavity is required to be 50-60 m/s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611013826.7A CN108007168B (en) | 2016-11-18 | 2016-11-18 | Valve cleaning and drying cavity, valve cleaning and drying system and valve cleaning and drying method |
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| CN201611013826.7A CN108007168B (en) | 2016-11-18 | 2016-11-18 | Valve cleaning and drying cavity, valve cleaning and drying system and valve cleaning and drying method |
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| CN108007168B true CN108007168B (en) | 2023-07-07 |
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| CN108007168A (en) | 2018-05-08 |
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