CN107448725B - A kind of piston reverses direction impact type pipeline Anti-chock device and its application method - Google Patents

A kind of piston reverses direction impact type pipeline Anti-chock device and its application method Download PDF

Info

Publication number
CN107448725B
CN107448725B CN201710653594.XA CN201710653594A CN107448725B CN 107448725 B CN107448725 B CN 107448725B CN 201710653594 A CN201710653594 A CN 201710653594A CN 107448725 B CN107448725 B CN 107448725B
Authority
CN
China
Prior art keywords
pipeline
piston
inflation
tube
spring
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.)
Active
Application number
CN201710653594.XA
Other languages
Chinese (zh)
Other versions
CN107448725A (en
Inventor
罗厚镇
Original Assignee
徐菊红
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 徐菊红 filed Critical 徐菊红
Priority to CN201710653594.XA priority Critical patent/CN107448725B/en
Publication of CN107448725A publication Critical patent/CN107448725A/en
Application granted granted Critical
Publication of CN107448725B publication Critical patent/CN107448725B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/24Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers

Abstract

The invention discloses a kind of piston reverses direction impact type pipeline Anti-chock device and its application methods, including baffle, filter screen, connecting tube, first spring, connection cover, take out inflation mechanism, tracheae and piston, the baffle is fixedly connected on pipeline exit, the baffle is equipped with the drainage hole for discharging liquid, the top of the baffle is equipped with filter screen, the bottom of the filter screen and the upper end of connecting tube connect, the lower end of the connecting tube passes through drainage hole and is fixedly connected with connection cover, the first spring is arranged in connecting tube between the connection cover and the bottom of baffle, one lateral wall of the pipeline tightens Guan County's dress fixed frame, the pumping inflation mechanism is fixedly connected in fixed frame, the piston is slidably mounted in connecting tube and is tightly connected with connecting between inside pipe wall.The present invention uses the fluid matasomatism of reverse impact formula, and pipeline opening is avoided to be blocked by solid impurity, solves the problems, such as that solid impurity blocking pipeline opening makes pipeline can not normal transport.

Description

A kind of piston reverses direction impact type pipeline Anti-chock device and its application method
Technical field
The present invention relates to pipeline anti-clogging technical field more particularly to a kind of piston reverses direction impact type pipeline Anti-chock devices And its application method.
Background technique
Pipeline is connected into pipe, pipe connector and valve etc. for conveying gas, liquid or with solid particle Fluid device.In general, fluid flows to low pressure from the high pressure of pipeline after the pressurization such as air blower, compressor, pump and boiler The pressure or gravity conveying of fluid itself can also be used in place.Having many uses for pipeline is general, be used primarily in water supply, draining, heat supply, It gives gas, in long distance delivery oil and natural gas, agricultural irrigation, hydraulic engineering and various commercial plants.
Pipeline can generally be equipped with strainer during trandfer fluid at pipeline opening, for that will not dissolve in the solid of fluid Contaminant filter is mixed with insoluble impurity in the fluid of conveying due to the barrier effect of strainer and assembles at pipeline opening, for a long time Lead to line clogging in the past, it is difficult to guarantee the conveying effect that pipeline is brought into normal play.
Summary of the invention
The purpose of the present invention is to provide a kind of piston reverses direction impact type pipeline Anti-chock devices, using reverse impact formula Fluid matasomatism avoids pipeline opening from being blocked by solid impurity, and solving solid impurity blocking pipeline opening makes pipeline can not normal transport The problem of.
A kind of piston reverses direction impact type pipeline Anti-chock device according to an embodiment of the present invention, including baffle, filter screen, company Adapter tube, takes out inflation mechanism, tracheae and piston at the first spring, connection cover, and the baffle is fixedly connected on pipeline exit, described Baffle is equipped with the drainage hole for discharging liquid, and the top of the baffle is equipped with filter screen, the bottom of the filter screen and company The upper end of adapter tube connects, and the lower end of the connecting tube passes through drainage hole and is fixedly connected with connection cover, the connection cover and baffle The first spring is arranged in connecting tube between bottom, a lateral wall of the pipeline tightens Guan County's dress fixed frame, the pumping Inflation mechanism is fixedly connected in fixed frame, and the piston is slidably mounted in connecting tube and seals with connecting between inside pipe wall Connection, the connection cover are equipped with the through-hole that be connected to connecting tube, and the inflation mechanism of taking out passes through tracheae across pipeline and institute State through-hole sealed connection;
It further include the hydraulic pressure detection unit for the pressure medium being used in real-time detection pipeline being arranged in pipeline, for mentioning The control unit of ventilating control is taken out for the pumping inflation mechanism, the initial position of piston is located at the lowermost end in connecting tube, is filled by pumping Piston motion of the piston in connecting tube is realized in the inflation movement of taking out of mechanism of qi structure, and generating reversed impact force will be heavy on filter screen Product object is washed open, guarantees the normal work of pipeline.
It further include for compressing the hold-down mechanism for taking out inflation mechanism, the hold-down mechanism includes on the basis of above scheme The top of pressing plate, second spring and third spring, the second spring and third spring is fastenedly connected at the top of fixed frame On inner sidewall, the top of the bottom end and pressing plate of the second spring and third spring is fastenedly connected, and the bottom end of the pressing plate is It is tightly abutted against under the effect of the elastic force of two springs and third spring at the top of pumping inflation mechanism.
On the basis of above scheme, the filter screen is in disk form, is equipped in a ring at the bottom margin position of filter screen Gasket.
On the basis of above scheme, the inwardly projecting limit formed for limiting piston position of the top inner wall of the connecting tube Position ring.
On the basis of above scheme, the junction of the tracheae and pipeline is equipped with sealing element.
On the basis of above scheme, the pumping inflation mechanism is to take out inflation vacuum pump.
The present invention also provides a kind of application method of piston reverses direction impact type pipeline Anti-chock device, specifically used step It is as follows:
S1: by device integral installation on pipeline;
S2: by the hydraulic pressure detection unit being arranged in pipeline, real-time monitoring is carried out to the pressure medium in pipeline;
S3: the pressure medium that described control unit is detected according to having limited a threshold value, to the hydraulic pressure detection unit into Row multilevel iudge;
S4: when the hydraulic pressure detection unit observed pressure is greater than a threshold value of having limited, then described control unit issues instruction To inflation mechanism is taken out, takes out inflation mechanism and carry out taking out inflation movement, so that piston is done piston motion in connecting tube, generate reversed rush Power is hit to wash the deposit on filter screen open;
S5: when the hydraulic pressure detection unit observed pressure is less than a threshold value of having limited, then described control unit issues instruction To inflation mechanism is taken out, it is standby to take out inflation mechanism.
Further, the limit threshold value is configured according to the caliber and rate-of flow of the pipeline.
Compared with the prior art, the invention has the beneficial effects that: by hydraulic pressure detection unit, control unit, takes out and inflate The cooperation of mechanism, piston, all the period of time according to conduit running situation, voluntarily processing drain line blockage in time, when piston motion Generating positive pressure and negative pressure in connecting tube, when positive pressure, forms reversed impact force and washes the deposit on filter screen open, it avoids blocking, It when negative pressure, avoids deposit upset from blocking filter screen again, solving solid impurity blocking pipeline opening keeps pipeline normal The problem of transport.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is that the structure of a kind of piston reverses direction impact type pipeline Anti-chock device proposed by the present invention and its application method is shown It is intended to;
Fig. 2 is the cross-sectional structure schematic diagram of upper end of connecting tube;
Fig. 3 is the structural schematic diagram of hold-down mechanism;
Fig. 4 is the connection schematic diagram of tracheae and connection cover;
Fig. 5 is the attachment structure schematic diagram of filter screen and gasket.
In figure: 1- baffle, 2- filter screen, 3- connecting tube, the first spring of 4-, 5- connection cover, 6- take out inflation mechanism, 7- gas Pipe, 8- piston, 9- pipeline, 10- drainage hole, 11- fixed frame, 12- pressing plate, 13- second spring, 14- third spring, 15- are close Packing, 16- stop collar, 17- sealing element, 18- elastic insert.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Hydraulic pressure detection unit is hydraulic pressure sensor in the present invention, and model MIK-P300, control unit is using AT89C52 core Piece uses ADC0809AD chip between hydraulic pressure detection unit and control unit, take out inflation vacuum pump model Qihai FML100.8。
Embodiment 1
Referring to Fig.1-2, a kind of piston reverses direction impact type pipeline Anti-chock device include baffle 1, filter screen 2, connecting tube 3, First spring 4, connection cover 5 take out inflation mechanism 6, tracheae 7 and piston 8, and baffle 1 is fixedly connected on 9 exit of pipeline, on baffle 1 Equipped with the drainage hole 10 for discharging liquid, the top of baffle 1 is equipped with filter screen 2, and the bottom of filter screen 2 is upper with connecting tube 3 End connection, the lower end of connecting tube 3 passes through drainage hole 10 and is fixedly connected with connection cover 5, between connection cover 5 and the bottom of baffle 1 The first spring 4 is arranged in connecting tube 3, a lateral wall of pipeline tightens Guan County's dress fixed frame 11, takes out the fixed company of inflation mechanism 6 It connects in fixed frame 11, piston 8 is slidably mounted in connecting tube 3 and is tightly connected between 3 inner wall of connecting tube, connection cover 5 It is equipped with the through-hole being connected to connecting tube 3, inflation mechanism 6 is taken out and is tightly connected by the tracheae 7 and through-hole for passing through pipeline 9;
It further include the hydraulic pressure detection unit for the pressure medium being used in real-time detection pipeline 9 being arranged in pipeline 9 (in figure Be not shown), for provide the pumping inflation mechanism 6 take out ventilating control control unit (not shown), the initial position of piston 8 Lowermost end in connecting tube 3 realizes that piston of the piston 8 in connecting tube 3 is transported by the inflation movement of taking out of pumping inflation mechanism 6 It is dynamic, it generates reversed impact force and washes the deposit on filter screen 2 open, guarantee the normal work of pipeline 9.
Embodiment 2
Referring to Fig.1-5, a kind of piston reverses direction impact type pipeline Anti-chock device include baffle 1, filter screen 2, connecting tube 3, First spring 4, connection cover 5 take out inflation mechanism 6, tracheae 7 and piston 8, and baffle 1 is fixedly connected on 9 exit of pipeline, on baffle 1 Equipped with the drainage hole 10 for discharging liquid, the top of baffle 1 is equipped with filter screen 2, and the bottom of filter screen 2 is upper with connecting tube 3 End connection, the lower end of connecting tube 3 passes through drainage hole 10 and is fixedly connected with connection cover 5, between connection cover 5 and the bottom of baffle 1 The first spring 4 is arranged in connecting tube 3, a lateral wall of pipeline tightens Guan County's dress fixed frame 11, takes out the fixed company of inflation mechanism 6 It connects in fixed frame 11, piston 8 is slidably mounted in connecting tube 3 and is tightly connected between 3 inner wall of connecting tube, connection cover 5 It is equipped with the through-hole being connected to connecting tube 3, inflation mechanism 6 is taken out and is tightly connected by the tracheae 7 and through-hole for passing through pipeline 9, specifically , internal screw thread is equipped in the through-hole of connection cover 5, the outer wall of 7 end of tracheae is equipped with the external screw thread matched with the internal screw thread, Through hole whorl on tracheae 7 and connection cover 5 is tightly connected;
It further include the hydraulic pressure detection unit for the pressure medium being used in real-time detection pipeline 9 being arranged in pipeline 9 (in figure Be not shown), for provide the pumping inflation mechanism 6 take out ventilating control control unit (not shown), the initial position of piston 8 Lowermost end in connecting tube 3 realizes that piston of the piston 8 in connecting tube 3 is transported by the inflation movement of taking out of pumping inflation mechanism 6 It is dynamic, it generates reversed impact force and washes the deposit on filter screen 2 open, guarantee the normal work of pipeline 9;It further include for compressing The hold-down mechanism of inflation mechanism is taken out, hold-down mechanism includes pressing plate 12, second spring 13 and third spring 14, second spring 13 and the The top of three springs 14 is fastenedly connected on the inside top wall of fixed frame 11, the bottom end of second spring 13 and third spring 14 It is fastenedly connected with the top of pressing plate 12, the bottom end of pressing plate 12 is filled under the effect of the elastic force of second spring 13 and third spring 14 with pumping The top of mechanism of qi structure 6 tightly abuts against, and the bottom end of pressing plate 12 is equipped with for protecting the elastic insert 18 for taking out inflation mechanism 6;Filter screen 2 It is in disk form, gasket 15 in a ring is equipped at the bottom margin position of filter screen 2;The top inner wall of connecting tube 3 is to convex The stop collar 16 for limiting piston position is formed out;The junction of tracheae 7 and pipeline 9 is equipped with sealing element 17;Take out inflation mechanism 6 Vacuum pump is inflated to take out.
The present invention also provides the application methods of the piston reverses direction impact type pipeline Anti-chock device, and specifically used step is such as Under:
S1: by device integral installation on pipeline;
S2: by the hydraulic pressure detection unit being arranged in pipeline 9, real-time monitoring is carried out to the pressure medium in pipeline;
S3: control unit is compared the pressure medium that hydraulic pressure detection unit detects and sentences according to a threshold value of having limited It is disconnected;
S4: when hydraulic pressure detection unit observed pressure is greater than a threshold value of having limited, then control unit issues instructions to pumping inflation Mechanism 6 takes out inflation mechanism 6 and carries out taking out inflation movement, so that piston 8 is done piston motion in connecting tube 3, generate reversed impact force Deposit on filter screen 2 is washed open;
S5: when hydraulic pressure detection unit observed pressure is less than a threshold value of having limited, then control unit issues instructions to pumping inflation It is standby to take out inflation mechanism for mechanism.
Preferably, limit threshold value is configured according to the caliber and rate-of flow of pipeline 9.
To sum up, inventive piston reverse impact formula pipeline Anti-chock device is filled by hydraulic pressure detection unit, control unit, pumping The cooperation of mechanism of qi structure, piston, all the period of time according to conduit running situation, voluntarily processing drain line blockage in time, when piston motion Generate positive pressure and negative pressure in connecting tube, when positive pressure forms reversed impact force and washes the deposit on filter screen open, avoids blocking up Plug when negative pressure, avoids deposit upset from blocking filter screen again, and solving solid impurity blocking pipeline opening makes pipeline can not be just Often the problem of transport.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art.
It 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 variations, modification, replacement can be carried out to these embodiments 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 (8)

1. a kind of piston reverses direction impact type pipeline Anti-chock device, it is characterised in that: including baffle (1), filter screen (2), connection It manages (3), the first spring (4), connection cover (5), take out inflation mechanism (6), tracheae (7) and piston (8), the baffle (1) is fixed to be connected It connects in pipeline (9) exit, the baffle (1) is equipped with the drainage hole (10) for discharging liquid, the top of the baffle (1) Equipped with filter screen (2), the bottom of the filter screen (2) is connect with the upper end of connecting tube (3), and the lower end of the connecting tube (3) is worn It crosses drainage hole (10) to be fixedly connected with connection cover (5), in the connecting tube (3) between the connection cover (5) and the bottom of baffle (1) It is arranged with the first spring (4), a lateral wall of the pipeline tightens Guan County's dress fixed frame (11), the pumping inflation mechanism (6) Be fixedly connected in fixed frame (11), the piston (8) be slidably mounted in connecting tube (3) and with connecting tube (3) inner wall it Between be tightly connected, the connection cover (5) is equipped with the through-hole that is connected to connecting tube (3), the pumping inflation mechanism (6) by across The tracheae (7) and the through-hole of pipeline (9) are tightly connected;
Further include the hydraulic pressure detection unit for the pressure medium interior for real-time detection pipeline (9) being arranged in pipeline (9), be used for The control unit that the pumping inflation mechanism (6) takes out ventilating control is provided, the initial position of piston (8) is located in connecting tube (3) most Bottom end is realized the piston motion of piston (8) in connecting tube (3) by the pumping inflation movement of pumping inflation mechanism (6), is generated reversed Impact force washes the deposit on filter screen (2) open, guarantees the normal work of pipeline (9).
2. a kind of piston reverses direction impact type pipeline Anti-chock device according to claim 1, it is characterised in that: further include using In compressing the hold-down mechanism for taking out inflation mechanism, the hold-down mechanism includes pressing plate (12), second spring (13) and third spring (14), the top of the second spring (13) and third spring (14) is fastenedly connected the inside top wall in fixed frame (11) On, the top of the bottom end and pressing plate (12) of the second spring (13) and third spring (14) is fastenedly connected, the pressing plate (12) Bottom end the effect of the elastic force of second spring (13) and third spring (14) it is lower with pumping inflation mechanism (6) at the top of tightly abut against.
3. a kind of piston reverses direction impact type pipeline Anti-chock device according to claim 1, it is characterised in that: the filtering Net (2) is in disk form, and gasket (15) in a ring is equipped at the bottom margin position of filter screen (2).
4. a kind of piston reverses direction impact type pipeline Anti-chock device according to claim 1, it is characterised in that: the connection Manage the inwardly projecting stop collar (16) formed for limiting piston position of top inner wall of (3).
5. a kind of piston reverses direction impact type pipeline Anti-chock device according to claim 1, it is characterised in that: the tracheae (7) sealing element (17) are equipped with the junction of pipeline (9).
6. a kind of piston reverses direction impact type pipeline Anti-chock device according to claim 1, it is characterised in that: the pumping is filled Mechanism of qi structure (6) is to take out inflation vacuum pump.
7. the application method of piston reverses direction impact type pipeline Anti-chock device according to claim 1-6, special Sign is that specifically used steps are as follows:
S1: by device integral installation on pipeline;
S2: by the hydraulic pressure detection unit being arranged in pipeline (9), real-time monitoring is carried out to the pressure medium in pipeline;
S3: according to a threshold value of having limited, the pressure medium detected to the hydraulic pressure detection unit compares described control unit Compared with judgement;
S4: when the hydraulic pressure detection unit observed pressure is greater than a threshold value of having limited, then described control unit issues instructions to pumping Inflation mechanism (6) takes out inflation mechanism (6) and carries out taking out inflation movement, so that piston (8) is done piston motion in connecting tube (3), generate Reversed impact force washes the deposit on filter screen (2) open;
S5: when the hydraulic pressure detection unit observed pressure is less than a threshold value of having limited, then described control unit issues instructions to pumping It is standby to take out inflation mechanism for inflation mechanism.
8. the application method of piston reverses direction impact type pipeline Anti-chock device according to claim 7, which is characterized in that institute Limit threshold value is stated to be configured according to the caliber and rate-of flow of the pipeline (9).
CN201710653594.XA 2017-08-02 2017-08-02 A kind of piston reverses direction impact type pipeline Anti-chock device and its application method Active CN107448725B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710653594.XA CN107448725B (en) 2017-08-02 2017-08-02 A kind of piston reverses direction impact type pipeline Anti-chock device and its application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710653594.XA CN107448725B (en) 2017-08-02 2017-08-02 A kind of piston reverses direction impact type pipeline Anti-chock device and its application method

Publications (2)

Publication Number Publication Date
CN107448725A CN107448725A (en) 2017-12-08
CN107448725B true CN107448725B (en) 2019-03-08

Family

ID=60490780

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710653594.XA Active CN107448725B (en) 2017-08-02 2017-08-02 A kind of piston reverses direction impact type pipeline Anti-chock device and its application method

Country Status (1)

Country Link
CN (1) CN107448725B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110512695B (en) * 2019-09-09 2020-12-22 广西翔盛建设工程有限公司 Building pipeline with automatic desilting function

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5190120A (en) * 1991-06-03 1993-03-02 Watts Dion M Flushing apparatus for vehicle oil pump pickup tube and screen
CN103260719A (en) * 2010-12-16 2013-08-21 Hydac处理技术有限公司 Filter device
CN104746551A (en) * 2015-04-01 2015-07-01 国电大渡河流域水电开发有限公司龚嘴水力发电总厂 Double-filtering back-flushing self-decontamination water taking device and working mode thereof
CN204629800U (en) * 2015-04-03 2015-09-09 成都小蛋科技有限公司 A kind of clarifier avoiding filter net jam
CN204798969U (en) * 2015-06-13 2015-11-25 陈开春 Novel water treatment device
CN205037427U (en) * 2015-08-19 2016-02-17 陈婷婷 Automatic clearance formula air purifier
CN106492528A (en) * 2016-12-15 2017-03-15 衡阳中重机械装备有限公司 A kind of backwash filter
JP6140128B2 (en) * 2014-11-12 2017-05-31 株式会社栗本鐵工所 strainer
CN206369049U (en) * 2016-11-08 2017-08-01 安徽恒源煤电股份有限公司 A kind of sticky material pipe-line transportation system for rotating blockage-clearing device and being provided with the device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200410911A (en) * 2002-12-24 2004-07-01 zheng-wei Lin Ultra high oxygen water activation device using high performance sterilization -type special buoyant fibrous filtration ball and magnetized by high frequency bio-chemical wave energy

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5190120A (en) * 1991-06-03 1993-03-02 Watts Dion M Flushing apparatus for vehicle oil pump pickup tube and screen
CN103260719A (en) * 2010-12-16 2013-08-21 Hydac处理技术有限公司 Filter device
JP6140128B2 (en) * 2014-11-12 2017-05-31 株式会社栗本鐵工所 strainer
CN104746551A (en) * 2015-04-01 2015-07-01 国电大渡河流域水电开发有限公司龚嘴水力发电总厂 Double-filtering back-flushing self-decontamination water taking device and working mode thereof
CN204629800U (en) * 2015-04-03 2015-09-09 成都小蛋科技有限公司 A kind of clarifier avoiding filter net jam
CN204798969U (en) * 2015-06-13 2015-11-25 陈开春 Novel water treatment device
CN205037427U (en) * 2015-08-19 2016-02-17 陈婷婷 Automatic clearance formula air purifier
CN206369049U (en) * 2016-11-08 2017-08-01 安徽恒源煤电股份有限公司 A kind of sticky material pipe-line transportation system for rotating blockage-clearing device and being provided with the device
CN106492528A (en) * 2016-12-15 2017-03-15 衡阳中重机械装备有限公司 A kind of backwash filter

Also Published As

Publication number Publication date
CN107448725A (en) 2017-12-08

Similar Documents

Publication Publication Date Title
CN204511984U (en) A kind of centrifugal pump of industrial machinery sealing
CN105090045A (en) Centrifugal pump with industrial mechanical seal
CN208650245U (en) A kind of blow-off line cleaning anti-backflow cleaning plant
CN102661762B (en) Flow sensor
CN103953810B (en) A kind of spigot with water switch function
CN204756253U (en) Two -way waste fitting discharging of swirling flow formula solid -liquid separation
CN101543825A (en) Closed self-circulation hydraulic pipeline flusher
CN201431986Y (en) Flushing device for closed self-circulating hydraulic pipeline
CN205260371U (en) Deashing formula draught fan
CN106763936A (en) A kind of multi-functional gate valve
CN104879321A (en) Mechanically sealed industrial centrifugal pump
CN204879153U (en) Internal thread spinning formula conduit coupling
EP2916001B1 (en) High-pressure air pump
CN208535564U (en) A kind of automatic drainage device of gas storage tank
CN105466623A (en) Hydropower station technical water supply system microcirculation pressure sensor connector
CN104548776B (en) Industrial dust collector with improved structure
CN104173012A (en) Water feeding system of dish-washing machine
CN207514481U (en) A kind of high temperature pulsation damper of regime flow
CN203849058U (en) Movable pure steam sampling device
CN202802880U (en) Filtration device,
CN203379679U (en) High-efficiency pipeline filter
CN107638725A (en) A kind of filter for chemical engineering experiment
CN102865389B (en) Water hammer resistant backflow preventer
US3085432A (en) Flow indicator
CN101852302A (en) Low-resistance self-discharge backflow preventer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20190116

Address after: 317700 No. 1-1 Xucun, Hongjia Street, Jiaojiang District, Taizhou City, Zhejiang Province

Applicant after: Xu Juhong

Address before: 511450 B 1901, Wanda Plaza, Nansha District, Guangzhou, Guangdong.

Applicant before: Luo Houzhen

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant