CN108050261A - A kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity - Google Patents
A kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity Download PDFInfo
- Publication number
- CN108050261A CN108050261A CN201711036198.9A CN201711036198A CN108050261A CN 108050261 A CN108050261 A CN 108050261A CN 201711036198 A CN201711036198 A CN 201711036198A CN 108050261 A CN108050261 A CN 108050261A
- Authority
- CN
- China
- Prior art keywords
- cleaning
- gauge
- snap
- flow velocity
- valve
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
- F16K1/04—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle with a cut-off member rigid with the spindle, e.g. main valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to one-way cock technical fields, and disclose a kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity, by setting screw (8), support plate (9), nipple (10), the structures such as snap-gauge (14) and hairbrush (20), current promote snap-gauge (14), support plate (9) is made to move and rotate on screw (8) by nipple (10), so as to which the hairbrush (20) on snap-gauge (14) be driven to clean valve internal, coordinate buffer spring (13) again simultaneously, support plate (9) is driven to move back and forth and rotate, and then hairbrush (20) is made to be cleaned always to valve internal, prevent valve internal from growing the sundries that moss etc. destroys water quality, without periodically cleaning, greatly reduce the work burden of staff.
Description
Technical field
It is specially a kind of with the gentle flow structure of cleaning and adjustable flow velocity the present invention relates to one-way cock technical field
Throttling method.
Background technology
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the functions such as overflow pressure relief, for the valve of fluid control systems, from simplest shut-off valve to extremely complex robot control system(RCS)
In used various valves, kind and specification are quite various, and valve can be used for the empty gas and water of control, steam, various corrosivity to be situated between
The flowing of the various types fluid such as matter, mud, oil product, liquid metal and radiating medium.
Throttle valve is by changing throttling section or chock length to control the valve of fluid flow, by throttle valve and unidirectionally
Valve parallel connection is then combined into one-way throttle valve, and throttle valve and one-way throttle valve are easy flow control valves, in quantitative pump hydraulic pressure
In system, throttle valve and overflow valve cooperation can form three kinds of Metering Flow Control Circuits, i.e. in-line Metering Flow Control Circuits, oil return line
Metering Flow Control Circuits and bypass throttling speed governing system, throttle valve do not have flow negative-feedback function, it is impossible to compensate and change institute by load
Caused by speed it is unstable, be typically only used for load variation less or to speed stability occasion of less demanding.
Existing throttle valve majority without cleaning structure, can not all clear up the inside of valve, generally require periodically
It is cleaned, increases the work burden of staff, so, it is proposed that a kind of with the gentle flow structure of cleaning and adjustable
The throttling method of flow velocity, to solve the above problems.
The content of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of flow velocitys that have a gentle flow structure of cleaning and adjustable
Throttling method possesses and valve internal is cleaned, and prevents valve internal from growing the sundries that moss etc. destroys water quality, without regular
Cleaning greatly reduces the work burden of staff, prevents that water velocity is too fast and causes each structural failure, increase and use
Service life adjusts the elasticity of buffer spring, and so as to adjust the speed of current, simple operation is easy to use, prevent it is artificial or other because
Element and cause knob damage situation, extend service life, it is simple in structure and convenient and practical the advantages that, solve existing section
Valve majority is flowed all without cleaning structure, the inside of valve can not be cleared up, generally require periodically to be cleaned, and increases work
The problem of work burden of personnel.
(2) technical solution
Valve internal is cleaned for realization is above-mentioned, prevents valve internal from growing the sundries that moss etc. destroys water quality, nothing
It need to periodically clean, greatly reduce the work burden of staff, prevent that water velocity is too fast and causes each structural failure, increase
Add service life, adjust the elasticity of buffer spring, so as to adjust the speed of current, simple operation is easy to use, prevent it is artificial or
Other factors and the situation that knob is caused to damage, extend service life, purpose simple in structure and convenient and practical, the present invention carries
For following technical solution:A kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity, including valve body, the valve
The import and export of body is mounted on flange, and adjusting rod is movably installed with by the groove opened up on the inner wall of the valve body, adjusts
The top of bar is run through and extends to the outside of valve body and be fixedly connected with the side of knob, and the lower part of adjusting rod passes through fixed installation
Active conical gear be engaged with driven bevel gear, screw is installed at the axle center of driven bevel gear, screw is separate
One end of driven bevel gear is threadedly coupled with the nipple inlayed in the middle part of support plate and is installed with block.
Screw thread is socketed with movable plate between the support plate and conical gear and on screw, between movable plate and support plate
And buffer spring is socketed on screw, the side of support plate is installed with snap-gauge, and hairiness is fixedly mounted in the edge of snap-gauge
Brush, the one end of snap-gauge away from support plate are installed with baffle, and the edge of baffle is provided with fillet, baffle away from snap-gauge one
Side and a pair of limited block for corresponding setting is installed on the inner wall of valve body, one side of the limited block away from baffle and
A pair of unhurried current plate being correspondingly arranged is installed on the inner wall of valve body, unhurried current hole is offered in the middle part of baffle.
The outside of the knob is socketed with the protective shell on valve outer wall, and the one side at the top of protective shell is lived by hinge
Dynamic to be connected with cover board, lower surface of the cover board away from hinge one end is opened up by the fixture block of fixed installation with protective shell with side roof part
Card slot is clamped.
Preferably, the shape where the groove on valve interior wall is annular, and the diameter where groove on valve interior wall is big
In the diameter of driven bevel gear, the diameter of driven bevel gear is more than the diameter at valve body import.
Preferably, current limiting slot is opened up on the snap-gauge, the positive vertical sectional shape of snap-gauge is Z-shaped, and snap-gauge side
Vertical sectional shape be circular ring shape.
Preferably, the buffer spring uses helical spring.
Preferably, the one end of the upper surface of the cover board away from hinge is installed with handle.
Preferably, the junction of the adjusting rod and valve body is installed with sealing element.
(3) advantageous effect
Compared with prior art, the present invention provides a kind of throttlings with the gentle flow structure of cleaning and adjustable flow velocity
Method possesses following advantageous effect:
1st, the throttle of with the gentle flow structure of cleaning and adjustable flow velocity is somebody's turn to do, by setting screw, support plate, spiral shell
The structures such as line connector, snap-gauge and hairbrush, current promote snap-gauge, and support plate is made to move and turn on screw by nipple
It is dynamic, so as to which the hairbrush on snap-gauge be driven to clean valve internal, while coordinate buffer spring again, drive support plate to move back
Dynamic and rotation, and then hairbrush is made to be cleaned always to valve internal, prevent valve internal from growing moss etc. and destroying the miscellaneous of water quality
Object without periodically cleaning, greatly reduces the work burden of staff.
2nd, the throttle of with the gentle flow structure of cleaning and adjustable flow velocity is somebody's turn to do, passes through setting unhurried current plate, unhurried current hole
It with the structures such as current limliting slot, prevents that water velocity is too fast and causes each structural failure, increases service life.
3rd, the throttle of with the gentle flow structure of cleaning and adjustable flow velocity is somebody's turn to do, by setting adjusting rod, knob, master
The structures such as dynamic conical gear, driven bevel gear, screw and buffer spring, turning knob, by active conical gear drive from
Dynamic conical gear rotates, the movable plate movement being then on screw, the elasticity of buffer spring is adjusted, so as to adjust the speed of current
Degree, simple operation are easy to use.
4th, should the throttle with the gentle flow structure of cleaning and adjustable flow velocity, by set protective shell, hinge and
The structures such as cover board, knob is protected, and the situation for preventing artificial or other factors and knob being caused to damage extends and uses year
Limit.
5th, the throttle of with the gentle flow structure of cleaning and adjustable flow velocity is somebody's turn to do, by setting fixture block, card slot and hand
Cover board and protective shell can be clamped by the structures such as handle using fixture block and card slot, be convenient for opening cover board by handle, simple in structure,
It is convenient and practical.
Description of the drawings
Fig. 1 is structure front schematic view of the present invention;
Fig. 2 is structural baffles side schematic view of the present invention;
Fig. 3 is partial enlarged view at present invention A shown in FIG. 1.
In figure:1 valve body, 2 flanges, 3 grooves, 4 adjusting rods, 5 knobs, 6 active conical gears, 7 driven bevel gears, 8
Bar, 9 support plates, 10 nipples, 11 blocks, 12 movable plates, 13 buffer springs, 14 snap-gauges, 15 baffles, 16 limited blocks, 17 are delayed
Flowing plate, 18 unhurried current holes, 19 current limliting slots, 20 hairbrush, 21 sealing elements, 22 protective shells, 23 hinges, 24 cover boards, 25 fixture blocks, 26 card slots,
27 handles.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution 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, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
- 3 are please referred to Fig.1, a kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity, including valve body
(1), the import and export of valve body (1) is mounted on flange (2), is installed on the inner wall of valve body (1) by groove (3) activity opened up
There is an adjusting rod (4), the junction of adjusting rod (4) and valve body (1) is installed with sealing element (21), valve body (1) where groove (3)
Shape on inner wall is annular, and the diameter where groove (3) on valve body (1) inner wall is more than the diameter of driven bevel gear (7), from
The diameter of dynamic conical gear (7) is more than the diameter of valve body (1) entrance, and the top of adjusting rod (4) is run through and extends to valve body (1)
Outside and be fixedly connected with the side of knob (5), the active conical gear (6) that the lower part of adjusting rod (4) passes through fixed installation
Be engaged with driven bevel gear (7), be installed with screw (8) at the axle center of driven bevel gear (7), screw (8) away from from
One end of dynamic conical gear (7) is threadedly coupled with the nipple (10) inlayed in the middle part of support plate (9) and is installed with block
(11), turning knob (5) are driven driven bevel gear (7) to rotate, are then on screw (8) by active conical gear (6)
Movable plate (12) it is mobile, adjust the elasticity of buffer spring (13), so as to adjust the speed of current, simple operation is easy to use.
Screw thread is socketed with movable plate (12), movable plate between support plate (9) and conical gear (7) and on screw (8)
(12) buffer spring (13) is socketed between support plate (9) and on screw (8), buffer spring (13) uses helical spring,
The side of support plate (9) is installed with snap-gauge (14), and current limiting slot (19) is opened up on snap-gauge (14), and snap-gauge (14) is positive vertical
Cross sectional shape is Z-shaped, and the vertical sectional shape of snap-gauge (14) side is circular ring shape, and the edge of snap-gauge (14) is installed with
Hairbrush (20), current promote snap-gauge (14), and support plate (9) is made to move and rotate on screw (8) by nipple (10),
So as to which the hairbrush (20) on snap-gauge (14) be driven to clean valve internal, while coordinate buffer spring (13) again, drive branch
Fagging (9) moves back and forth and rotates, and then hairbrush (20) is made to be cleaned always to valve internal, prevents valve internal from growing green grass or young crops
Tongue etc. destroys the sundries of water quality, without periodically cleaning, the work burden of staff is greatly reduced, snap-gauge (14) is away from branch
One end of fagging (9) is installed with baffle (15), and the edge of baffle (15) is provided with fillet, and baffle (15) is away from snap-gauge
(14) one side and a pair of limited block (16) for corresponding setting, limited block are installed on the inner wall of valve body (1)
(16) one side away from baffle (15) and a pair of unhurried current plate (17) being correspondingly arranged is installed on the inner wall of valve body (1),
Unhurried current hole (18) is offered in the middle part of baffle (15), prevents that water velocity is too fast and causes each structural failure, increases and uses the longevity
Life.
The outside of knob (5) is socketed with the protective shell (22) on valve body (1) outer wall, the one side at the top of protective shell (22)
Cover board (24) is connected with by hinge (23), knob (5) is protected, artificial or other factors is prevented and causes knob
(5) situation of damage extends service life, and the one end of the upper surface of cover board (24) away from hinge (23) is installed with handle
(27), lower surface of the cover board (24) away from hinge (23) one end passes through the fixture block (25) of fixed installation and protective shell (22) homonymy top
Cover board (24) and protective shell (22), using fixture block (25) and card slot (26) can be clamped, passed through by card slot (26) clamping that portion opens up
Handle (27) is convenient for opening cover board (24), simple in structure, convenient and practical.
In conclusion the throttle for flow structure the and adjustable flow velocity that should ease up with cleaning, by setting screw
(8), the structures such as support plate (9), nipple (10), snap-gauge (14) and hairbrush (20), current promote snap-gauge (14), make support
Plate (9) is moved and rotated on screw (8) by nipple (10), so as to drive the hairbrush (20) on snap-gauge (14) to valve
Inside is cleaned, while coordinates buffer spring (13) again, and support plate (9) is driven to move back and forth and rotate, and then makes hairbrush
(20) valve internal is cleaned always, prevents valve internal from growing the sundries that moss etc. destroys water quality, without periodically cleaning,
Greatly reduce the work burden of staff.
By setting unhurried current plate (17), the unhurried current structures such as hole (18) and current limliting slot (19), prevent that water velocity is too fast and leads
Each structural failure is caused, increases service life.
By setting adjusting rod (4), knob (5), active conical gear (6), driven bevel gear (7), screw (8) gentle
The structures such as spring (13) are rushed, turning knob (5) drives driven bevel gear (7) to rotate, then by active conical gear (6)
Movable plate (12) on screw (8) is mobile, adjusts the elasticity of buffer spring (13), so as to adjust the speed of current, operation
It is convenient, it is easy to use.
By setting the structures such as protective shell (22), hinge (23) and cover board (24), knob (5) is protected, prevents people
For or other factors cause knob (5) damage situation, extend service life.
By setting the structures such as fixture block (25), card slot (26) and handle (27), can be incited somebody to action using fixture block (25) and card slot (26)
Cover board (24) is clamped with protective shell (22), is convenient for opening cover board (24) by handle (27), simple in structure, convenient and practical, solution
Existing throttle valve majority determined all without cleaning structure, the inside of valve can not have been cleared up, generally require periodically to carry out
The problem of cleaning, increasing the work burden of staff.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity, by setting screw (8), support plate
(9), the structures such as nipple (10), snap-gauge (14) and hairbrush (20), current promote snap-gauge (14), pass through support plate (9)
Nipple (10) is moved and rotated on screw (8), so as to which the hairbrush (20) on snap-gauge (14) be driven to carry out valve internal
Cleaning, while coordinate buffer spring (13) again, support plate (9) is driven to move back and forth and rotate, and then makes hairbrush (20) right always
Valve internal is cleaned, and is prevented valve internal from growing the sundries that moss etc. destroys water quality, without periodically cleaning, is greatly reduced
The work burden of staff.
2. a kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity according to claim 1, special
Sign is:By setting unhurried current plate (17), the unhurried current structures such as hole (18) and current limliting slot (19), prevent that water velocity is too fast and causes
Each structural failure increases service life.
3. a kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity according to claim 1, special
Sign is:By setting adjusting rod (4), knob (5), active conical gear (6), driven bevel gear (7), screw (8) gentle
The structures such as spring (13) are rushed, turning knob (5) drives driven bevel gear (7) to rotate, then by active conical gear (6)
Movable plate (12) on screw (8) is mobile, adjusts the elasticity of buffer spring (13), so as to adjust the speed of current, operation
It is convenient, it is easy to use.
4. a kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity according to claim 1-3,
It is characterized in that:By setting the structures such as protective shell (22), hinge (23) and cover board (24), knob (5) is protected, prevents people
For or other factors cause knob (5) damage situation, extend service life;By set fixture block (25), card slot (26) and
Cover board (24) and protective shell (22) using fixture block (25) and card slot (26) can be clamped, pass through handle by the structures such as handle (27)
(27) it is convenient for opening cover board (24), it is simple in structure, it is convenient and practical, solve existing throttle valve majority all without cleaning knot
Structure can not clear up the inside of valve, generally require periodically to be cleaned, and the work burden for increasing staff is asked
Topic.
5. a kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity according to claim 1-4,
It is characterized in that:The described one end of the upper surface of cover board (24) away from hinge (23) is installed with handle (27).
6. a kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity according to claim 1-5,
It is characterized in that:The junction of the adjusting rod (4) and valve body (1) is installed with sealing element (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711036198.9A CN108050261A (en) | 2017-10-30 | 2017-10-30 | A kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711036198.9A CN108050261A (en) | 2017-10-30 | 2017-10-30 | A kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity |
Publications (1)
Publication Number | Publication Date |
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CN108050261A true CN108050261A (en) | 2018-05-18 |
Family
ID=62118524
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Application Number | Title | Priority Date | Filing Date |
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CN201711036198.9A Withdrawn CN108050261A (en) | 2017-10-30 | 2017-10-30 | A kind of throttling method with the gentle flow structure of cleaning and adjustable flow velocity |
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CN (1) | CN108050261A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109538799A (en) * | 2018-11-27 | 2019-03-29 | 邯郸学院 | A kind of improved throttle valve |
CN111735164A (en) * | 2020-06-29 | 2020-10-02 | 曹永民 | Air conditioning system capable of continuously heating |
CN112984147A (en) * | 2021-02-22 | 2021-06-18 | 浙江华晨阀门有限公司 | Conveniently-adjusted ball valve based on Internet of things control |
CN113833880A (en) * | 2021-08-03 | 2021-12-24 | 乌海黑猫炭黑有限责任公司 | Carbon black tail gas boiler steam pipeline end explosion-proof device |
CN116329212A (en) * | 2023-03-30 | 2023-06-27 | 帕克(无锡)阀门有限公司 | Self-cleaning adjusting ball valve and use method thereof |
-
2017
- 2017-10-30 CN CN201711036198.9A patent/CN108050261A/en not_active Withdrawn
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109538799A (en) * | 2018-11-27 | 2019-03-29 | 邯郸学院 | A kind of improved throttle valve |
CN109538799B (en) * | 2018-11-27 | 2019-11-05 | 邯郸学院 | A kind of improved throttle valve |
CN111735164A (en) * | 2020-06-29 | 2020-10-02 | 曹永民 | Air conditioning system capable of continuously heating |
CN112984147A (en) * | 2021-02-22 | 2021-06-18 | 浙江华晨阀门有限公司 | Conveniently-adjusted ball valve based on Internet of things control |
CN113833880A (en) * | 2021-08-03 | 2021-12-24 | 乌海黑猫炭黑有限责任公司 | Carbon black tail gas boiler steam pipeline end explosion-proof device |
CN116329212A (en) * | 2023-03-30 | 2023-06-27 | 帕克(无锡)阀门有限公司 | Self-cleaning adjusting ball valve and use method thereof |
CN116329212B (en) * | 2023-03-30 | 2023-11-17 | 帕克(无锡)阀门有限公司 | Self-cleaning adjusting ball valve and use method thereof |
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SE01 | Entry into force of request for substantive examination | ||
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WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180518 |
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