CN107824537A - Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly - Google Patents
Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly Download PDFInfo
- Publication number
- CN107824537A CN107824537A CN201711042383.9A CN201711042383A CN107824537A CN 107824537 A CN107824537 A CN 107824537A CN 201711042383 A CN201711042383 A CN 201711042383A CN 107824537 A CN107824537 A CN 107824537A
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- Prior art keywords
- cleaning
- valve production
- liquid
- cleaning case
- environment friendly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004140 cleaning Methods 0.000 title claims abstract description 99
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000003860 storage Methods 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims description 43
- 238000001035 drying Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 abstract description 7
- 238000012805 post-processing Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- 241001191009 Gymnomyza Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- -1 matter Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- 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
- B08B3/102—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 with means for agitating the liquid
-
- B08B1/12—
-
- B08B1/20—
-
- 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
- B08B3/022—Cleaning travelling work
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
Abstract
The present invention relates to valve production equipment technology, and disclose a kind of valve production Cleaning of Parts method of high-efficiency environment friendly, pass through the first motor (3) of setting, the first rotary shaft (4) and the first stirring vane (6), can sufficiently it be stirred with part to entering the internal valve production of the first cleaning case (1), significantly more efficient cleaning can be carried out with part to valve production, increase the operating efficiency of the equipment, the aqueduct is through the inside of water storage box and extends to the inside of the first cleaning case.The valve production Parts Washing Equipment of the high-efficiency environment friendly, significantly more efficient cleaning being carried out with part to valve production, facilitating the post-processing of people, protect ecological environment, to the more thorough of Cleaning of Parts, operating efficiency is higher.
Description
Technical field
The present invention relates to valve production equipment technology, the valve production Cleaning of Parts of specially a kind of high-efficiency environment friendly
Method.
Background technology
Valve is the control unit in fluid delivery system, has cut-off, regulation, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the function such as overflow pressure relief, for the valve of fluid control systems, from simplest stop valve to extremely complex robot control system(RCS)
In used various valves, its kind and specification are quite various.Valve can be used for controlling empty gas and water, steam, various corrosivity to be situated between
The flowing of all kinds fluid such as matter, mud, oil product, liquid metal and radiating medium.Valve is also divided into cast iron according to material
Valve, cast steel valve, stainless valve, chrome-molybdenum steel valve, Chrominm-molybdenum-vanadium steel valve, dual phase steel valve, Plastic valve and nonstandard order
Valve processed etc..Valve needs to use cleaning equipment during production, and cleaning equipment can have to the parts of valve
The cleaning of effect, make valve enhanced convenience during installation and use, but present cleaning machine is to valve components
When cleaning, cleaning performance is simultaneously bad, and the later stage for easily influenceing valve uses, and present cleaning machine can not be right
Waste water after cleaning is collected and handled, and certain destruction is generated to environment.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of valve production Cleaning of Parts method of high-efficiency environment friendly,
Possessing the advantages that high-efficiency environment friendly, solve that present cleaning machine cleaning performance is bad, the later stage for easily influenceing valve uses, and
Waste water after cleaning can not be collected and be handled, the problem of certain destruction is generated to environment.
(2) technical scheme
To realize the purpose of above-mentioned high-efficiency environment friendly, the present invention provides following technical scheme：A kind of valve life of high-efficiency environment friendly
Cleaning of Parts method, including the first cleaning case are used in production, and charging aperture, first cleaning are provided with the top of first cleaning case
Case is internally provided with the first motor, and the output shaft of first motor is rotatably connected to the first rotary shaft, institute by shaft coupling
The both sides for stating the first rotary shaft are symmetrically arranged with the first stirring vane, and the bottom of first cleaning case is provided with water storage box, institute
The water pump that is internally provided with of water storage box is stated, the delivery port of the water pump is fixedly connected with aqueduct, and the aqueduct runs through
The inside of water storage box and the inside for extending to the first cleaning case, the side of the water storage box are provided with inlet channel, the water inlet
Inlet valve is provided with pipeline.
The side of first cleaning case is provided with the second cleaning case, and first cleaning case passes through defeated with the second cleaning case
Pipe material is fixedly connected, and second cleaning case is internally provided with hydraulic cylinder, and the piston rod of the hydraulic cylinder is fixedly connected with
Hairbrush, the bottom of second cleaning case are provided with the second motor, and the output shaft of second motor is rotated by shaft coupling to be connected
The second rotary shaft is connected to, the second rotary shaft both sides are symmetrically arranged with the second stirring vane, the both sides of second cleaning case
It is symmetrically arranged with drying plate on inwall, the drying plate is internally provided with equally distributed heater strip, and the two of the heater strip
End is symmetrical arranged having heaters, and the side of second cleaning case is provided with discharge pipe.
The bottom of second cleaning case is provided with storage liquid case, and the storage liquid case is internally provided with liquid pump, the liquid pump
Liquid outlet be fixedly connected with liquid-transport pipe-line, the liquid-transport pipe-line is through the inside for storing liquid case and extends to the interior of the first cleaning case
Portion, the side for storing liquid case are provided with input duct, liquid flowing valve, first cleaning case are provided with the input duct
Bottom be provided with exhausted bath box, the side of the exhausted bath box is provided with drain pipe road, the water storage box and stores the bottom of liquid case and sets
Supporting plate is equipped with, the bottom symmetrical of the supporting plate is provided with support bar, and the bottom of the support bar is provided with rubber blanket.
Preferably, it is clear with liquid-transport pipe-line to extend to first on one end that the aqueduct is extended to inside the first cleaning case
Shower nozzle is provided with one end inside tank-washer.
Preferably, the outside of first motor, the second motor, water pump and liquid pump is arranged with waterproof jacket.
Preferably, first stirring vane and the second stirring vane are helical form stirring vane.
Preferably, the quantity of the hydraulic cylinder is two, and two hydraulic cylinders are symmetricly set in the both sides of the second cleaning case
On wall.
Preferably, the water storage box is mutually matched with storing the shape size of liquid case.
(3) beneficial effect
Compared with prior art, the invention provides a kind of valve production Cleaning of Parts method of high-efficiency environment friendly, possess
Following beneficial effect：
1st, the valve production Parts Washing Equipment of the high-efficiency environment friendly, by the first motor of setting, the first rotary shaft and
First stirring vane, can sufficiently it be stirred with part to entering the valve production inside the first cleaning case, can be to valve
Pupil produces carries out significantly more efficient cleaning with part, increases the operating efficiency of the equipment.Increase connection mounting stability, prevent because
Cause to loosen for strenuous vibration, effective buffering and shock-absorbing function can also be provided while effectively improving resistance to overturning；
The support and damping of incline direction are effectively provided from both sides, while also increase integral installation area；Load excessive occurs resistance and turned
During phenomenon, in the presence of cutting magnetic field, cause gap to become big, reduce so as to the moment of torsion of transmission, can be very good to protect the dress
Put, avoid rotating under larger resistance, the effect for making the device that there is practicality to strengthen.So that the air gap formed between rotor is big
Small change, and then the purpose of stepless speed regulation；By the Interaction Force in magnetic field, driving load axle rotates, so as to real
Non-contacting torsion transmission is showed.
2nd, the valve production Parts Washing Equipment of the high-efficiency environment friendly, by the water storage box of setting, water pump, aqueduct,
Liquid case, liquid pump, liquid-transport pipe-line and shower nozzle are stored, effectively the part inside the first cleaning case can be cleaned, make the equipment
Cleaning performance it is more preferable.
3rd, the valve production Parts Washing Equipment of the high-efficiency environment friendly, can by the exhausted bath box and drain pipe road of setting
Effectively waste liquid is handled and collected, the post-processing of people is facilitated, protects ecological environment.
4th, the valve production Parts Washing Equipment of the high-efficiency environment friendly, by the hydraulic cylinder of setting, hairbrush, the second motor,
Second rotary shaft and the second stirring vane, the part inside the second cleaning case can be scrubbed, to Cleaning of Parts more
Thoroughly, the operating efficiency of the equipment is increased.
5th, the valve production Parts Washing Equipment of the high-efficiency environment friendly, by drying plate, heater strip and the heater of setting,
Part inside second cleaning case can be dried, waste liquid is not flowed out with part, make people when in use
It is more convenient, it is also significantly more efficient to protect environment.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is present invention drying intralamellar part structural representation.
In figure：1 first cleaning case, 2 charging apertures, 3 first motors, 4 first rotary shafts, 5 inlet valves, 6 first paddles
Piece, 7 water storage boxes, 8 water pumps, 9 aqueducts, 10 inlet channels, 11 second cleaning cases, 12 feeding pipes, 13 hydraulic cylinders, 14 maos
Brush, 15 second motors, 16 second rotary shafts, 17 second stirring vanes, 18 store liquid case, 19 liquid pumps, 20 liquid-transport pipe-lines, 21 feed tubes
Road, 22 liquid flowing valves, 23 exhausted bath box, 24 drain pipe roads, 25 drying plates, 26 heater strips, 27 heaters, 28 supporting plates, 29
Strut, 30 rubber blankets, 31 shower nozzles, 32 waterproof jackets, 33 discharge pipes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, Cleaning of Parts method, including the first cleaning case (1) are used in a kind of valve production of high-efficiency environment friendly, the
Charging aperture (2) is provided with the top of one cleaning case (1), the first cleaning case (1) is internally provided with the first motor (3), the first electricity
The output shaft of machine (3) is rotatably connected to the first rotary shaft (4) by shaft coupling, and the both sides of the first rotary shaft (4) are symmetrically arranged with
First stirring vane (6), the first motor (3), the first rotary shaft (4) and the first stirring vane (6) set is crossed, can be to entering
The internal valve production of first cleaning case (1) is sufficiently stirred with part, and valve production can be carried out more with part
Effective cleaning, increases the operating efficiency of the equipment, the bottom of the first cleaning case (1) is provided with water storage box (7), water storage box (7)
Be internally provided with water pump (8), the delivery port of water pump (8) is fixedly connected with aqueduct (9), and aqueduct (9) runs through water storage
The inside of case (7) simultaneously extends to the inside of the first cleaning case (1), and the side of water storage box (7) is provided with inlet channel (10), water inlet
Inlet valve (5) is provided with pipeline (10).
The side of first cleaning case (1) is provided with the second cleaning case (11), the first cleaning case (1) and the second cleaning case (11)
It is fixedly connected by feeding pipe (12), the second cleaning case (11) is internally provided with hydraulic cylinder (13), the number of hydraulic cylinder (13)
Measure as two, two hydraulic cylinders (13) are symmetricly set on the both sides inwall of the second cleaning case (11), the piston of hydraulic cylinder (13)
Bar is fixedly connected with hairbrush (14), and the bottom of the second cleaning case (11) is provided with the second motor (15), the second motor (15) it is defeated
Shaft is rotatably connected to the second rotary shaft (16) by shaft coupling, and the second rotary shaft (16) both sides are symmetrically arranged with the second paddle
Piece (17), the first stirring vane (6) and the second stirring vane (17) are helical form stirring vane, pass through the hydraulic cylinder of setting
(13), hairbrush (14), the second motor (15), the second rotary shaft (16) and the second stirring vane (17), can be to the second cleaning case
(11) internal part is scrubbed, and to the more thorough of Cleaning of Parts, increases the operating efficiency of the equipment, the second cleaning case
(11) drying plate (25) is symmetrically arranged with both sides inwall, drying plate (25) is internally provided with equally distributed heater strip
(26), the both ends of heater strip (26) are symmetrical arranged having heaters (27), by the drying plate (25) of setting, heater strip (26) and add
Hot device (27), part that can be internal to the second cleaning case (11) are dried, and waste liquid will not flow out with part, people is existed
More convenient when use, also significantly more efficient to protect environment, the side of the second cleaning case (11) is provided with discharge pipe
(33)。
The bottom of second cleaning case (11), which is provided with, stores liquid case (18), water storage box (7) and the shape size for storing liquid case (18)
It is mutually matched, store liquid case (18) is internally provided with liquid pump (19), the first motor (3), the second motor (15), water pump (8) and liquid
The outside of pump (19) is arranged with waterproof jacket (32), and the liquid outlet of liquid pump (19) is fixedly connected with liquid-transport pipe-line (20), woven hose
Road (20) is through the inside for storing liquid case (18) and extends to the inside of the first cleaning case (1), and aqueduct (9) extends to first
Extended on the internal one end of cleaning case (1) with liquid-transport pipe-line (20) and be provided with spray on the internal one end of the first cleaning case (1)
Head (31), pass through the water storage box (7) of setting, water pump (8), aqueduct (9), storage liquid case (18), liquid pump (19), liquid-transport pipe-line
(20) it and shower nozzle (31), can effectively clean the part internal to the first cleaning case (1), make the cleaning performance of the equipment
More preferably, the side for storing liquid case (18) is provided with input duct (21), is provided with liquid flowing valve (22) in input duct (21), and first
The bottom of cleaning case (1) is provided with exhausted bath box (23), and the side of exhausted bath box (23) is provided with drain pipe road (24), passes through setting
Exhausted bath box (23) and drain pipe road (24), effectively can be handled and be collected to waste liquid, facilitate the post-processing of people,
Ecological environment is protected, water storage box (7) is provided with supporting plate (28), the bottom of supporting plate (28) with storing the bottom of liquid case (18)
Support bar (29) is symmetrically arranged with, the bottom of support bar (29) is provided with rubber blanket (30).
In summary, the valve production Parts Washing Equipment of the high-efficiency environment friendly, the first motor (3) of setting, are passed through
One rotary shaft (4) and the first stirring vane (6), it can be carried out to entering the internal valve production of the first cleaning case (1) with part
Sufficiently stirring, can carry out significantly more efficient cleaning with part to valve production, increase the operating efficiency of the equipment, by setting
Water storage box (7), water pump (8), aqueduct (9), storage liquid case (18), liquid pump (19), liquid-transport pipe-line (20) and the shower nozzle (31) put,
Effectively the part of the first cleaning case (1) inside can be cleaned, make the cleaning performance of the equipment more preferable, pass through setting
Exhausted bath box (23) and drain pipe road (24), effectively can be handled and be collected to waste liquid, facilitate the post-processing of people,
Ecological environment is protected, passes through the hydraulic cylinder (13) of setting, hairbrush (14), the second motor (15), the second rotary shaft (16) and
Two stirring vanes (17), part that can be internal to the second cleaning case (11) are scrubbed, and to the more thorough of Cleaning of Parts, are increased
Add the operating efficiency of the equipment, by the drying plate (25), heater strip (26) and heater (27) of setting, can be cleaned to second
The internal part of case (11) is dried, and waste liquid will not flow out with part, makes people more convenient when in use, also more
Add and be effectively protected environment.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly, pass through the first motor (3) of setting, the first rotary shaft
(4) sufficiently be stirred with part with the first stirring vane (6), valve production that can be internal to the first cleaning case of entrance (1)
Mix, significantly more efficient cleaning can be carried out with part to valve production, increase the operating efficiency of the equipment.
2. Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly according to claim 1, it is characterised in that：Pass through
Water storage box (7), water pump (8), aqueduct (9), storage liquid case (18), liquid pump (19), liquid-transport pipe-line (20) and the shower nozzle of setting
(31), effectively the part of the first cleaning case (1) inside can be cleaned, makes the cleaning performance of the equipment more preferable, pass through
The exhausted bath box (23) of setting and drain pipe road (24), effectively can be handled and be collected to waste liquid, after facilitating people
Phase is handled, and is protected ecological environment, is passed through the hydraulic cylinder (13) of setting, hairbrush (14), the second motor (15), the second rotary shaft
(16) scrubbed with the second stirring vane (17), part that can be internal to the second cleaning case (11), to Cleaning of Parts more
Add thoroughly, increase the operating efficiency of the equipment, can by the drying plate (25), heater strip (26) and heater (27) of setting
The part internal to the second cleaning case (11) is dried, and waste liquid will not flow out with part, makes people when in use more
Add conveniently, also it is significantly more efficient protect aqueduct described in environment (9) extend on the internal one end of the first cleaning case (1) with
Liquid-transport pipe-line (20) extends on the internal one end of the first cleaning case (1) and is provided with shower nozzle (31).
3. Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly according to claim 1, it is characterised in that：It is described
First motor (3), the second motor (15), the outside of water pump (8) and liquid pump (19) are arranged with waterproof jacket (32).
4. Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly according to claim 1, it is characterised in that：It is described
First stirring vane (6) and the second stirring vane (17) are helical form stirring vane.
5. Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly according to claim 1, it is characterised in that：It is described
The quantity of hydraulic cylinder (13) is two, and two hydraulic cylinders (13) are symmetricly set on the both sides inwall of the second cleaning case (11).
6. Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly according to claim 1, it is characterised in that：It is described
Water storage box (7) is mutually matched with storing the shape size of liquid case (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042383.9A CN107824537A (en) | 2017-10-31 | 2017-10-31 | Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042383.9A CN107824537A (en) | 2017-10-31 | 2017-10-31 | Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107824537A true CN107824537A (en) | 2018-03-23 |
Family
ID=61651104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711042383.9A Withdrawn CN107824537A (en) | 2017-10-31 | 2017-10-31 | Cleaning of Parts method is used in a kind of valve production of high-efficiency environment friendly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107824537A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174719A (en) * | 2018-08-17 | 2019-01-11 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of valve production automatic flushing device and its operating method |
-
2017
- 2017-10-31 CN CN201711042383.9A patent/CN107824537A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174719A (en) * | 2018-08-17 | 2019-01-11 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of valve production automatic flushing device and its operating method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180323 |