CN107281792A - A kind of heating and ventilating pipeline dirt separator - Google Patents

A kind of heating and ventilating pipeline dirt separator Download PDF

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Publication number
CN107281792A
CN107281792A CN201710736547.1A CN201710736547A CN107281792A CN 107281792 A CN107281792 A CN 107281792A CN 201710736547 A CN201710736547 A CN 201710736547A CN 107281792 A CN107281792 A CN 107281792A
Authority
CN
China
Prior art keywords
feed liquor
liquid
liquid outlet
dirt separator
plug
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.)
Granted
Application number
CN201710736547.1A
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Chinese (zh)
Other versions
CN107281792B (en
Inventor
王欣鑫
马保云
蒋汶岐
孙晓程
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TANGSHAN CAOFEIDIAN THERMAL POWER Co.,Ltd.
Original Assignee
王欣鑫
马保云
蒋汶岐
孙晓程
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 王欣鑫, 马保云, 蒋汶岐, 孙晓程 filed Critical 王欣鑫
Priority to CN201710736547.1A priority Critical patent/CN107281792B/en
Publication of CN107281792A publication Critical patent/CN107281792A/en
Application granted granted Critical
Publication of CN107281792B publication Critical patent/CN107281792B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/117Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
    • B01D29/118Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration open-ended
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/12Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration

Abstract

The present invention provides a kind of heating and ventilating pipeline dirt separator, including dirt separator body, feed liquor pipe joint and liquid outlet joint are respectively arranged with dirt separator body both ends, the first decontamination chamber with opening and the second decontamination chamber are additionally provided with the dirt separator body, side close to feed liquor pipe joint in dirt separator body is provided with feed pathway, side close to liquid outlet joint in dirt separator body is provided with liquid outlet channel, mobilizable feed liquor control piston is provided with the feed pathway, be provided with the liquid outlet channel it is mobilizable go out hydraulic control piston, screen pack is provided with the described first decontamination chamber and the second decontamination intracavitary portion.This dirt separator is simple in construction, and the cleaning that dirt inside dirt separator is completed in the case where not stopping flow of media being realized by the switching of two passages.

Description

A kind of heating and ventilating pipeline dirt separator
Technical field
The invention mainly relates to heating and ventilation project technical field, specifically a kind of heating and ventilating pipeline dirt separator.
Background technology
The equipment such as heating and ventilating pipeline, valve, compensator, heat exchanger, circulating pump are needed to use in heating and ventilation project, due to pipe Inside can produce certain dirt when road is used for a long time, in order to ensure the use of the important valve member such as heat exchanger, circulating pump and equipment In the life-span, corresponding decontamination facility can be typically set on the pipeline in front of important spare part, so as to filter out Jie in pipeline Dirt in matter prevents dirt from entering in important component.
Traditional decontamination facility is typically utilized in the mode that screen pack is installed in dirt separator by impurity interception in dirt separator It is interior, but after the dirt separator of traditional structure is used for a long time, dirt is rested in dirt separator, and dirt can be by line clogging in the course of time Influence the normal circulation of medium.And common dirt separator cleaning inside is cumbersome, it is necessary first to stop the medium flow field in pipeline Logical, in addition it is also necessary to pull down dirt separator and cleared up, using being inconvenient, and existing scrubbing device for pipeline is often integral type knot Structure, it is not easy to remove, repeatedly after dismounting pipe joint can be caused to damage or leak, installation and repairing is extremely inconvenient.
The content of the invention
For the deficiency of the current technology of solution, present invention combination prior art, from practical application, there is provided a kind of HVAC pipe Road dirt separator, this dirt separator is simple in construction, is realized and is completed in the case where not stopping flow of media by the switching of two passages The cleaning of dirt inside dirt separator.
To achieve the above object, technical scheme is as follows:
A kind of heating and ventilating pipeline dirt separator, including dirt separator body, feed tube is respectively arranged with dirt separator body both ends The first decontamination chamber with opening and the second decontamination chamber are additionally provided with joint and liquid outlet joint, the dirt separator body, it is described Separated, set in dirt separator body close to the side of feed liquor pipe joint by dividing plate between first decontamination chamber and the second decontamination chamber There are feed pathway, the feed pathway and feed tube fittings, the side close to liquid outlet joint in dirt separator body is set Liquid outlet channel is equipped with, the liquid outlet channel is connected with liquid outlet joint, the first decontamination chamber side is provided with the first inlet, First decontamination chamber opposite side is provided with the first liquid outlet, and the first inlet is connected with feed pathway, and the first liquid outlet leads to going out liquid Road is connected, and the second decontamination chamber side is provided with the second inlet, and the second decontamination chamber opposite side is provided with the second liquid outlet, the Two inlets are connected with feed pathway, and the second liquid outlet is connected with liquid outlet channel, are provided with the feed pathway movable Feed liquor control piston, be provided with feed liquor control piston coordinate with the first inlet the first feed liquor plug, with second The second feed liquor plug that inlet coordinates, feed liquor control piston position can control feed liquor pipe joint and enter with the first inlet or second Liquid mouthful connection, be provided with the liquid outlet channel it is mobilizable go out hydraulic control piston, it is described go out hydraulic control piston on be provided with First coordinated with the first liquid outlet goes out liquid plug, goes out liquid plug with the second of the cooperation of the second liquid outlet, goes out hydraulic control piston position Put controllable liquid outlet joint to connect with the first liquid outlet or the second liquid outlet, dirt separator body exterior is provided with control feed liquor Control piston and the governor motion for going out hydraulic control piston position, are provided with the described first decontamination chamber and the second decontamination intracavitary portion Dismountable cover plate is provided with the opening of screen pack, the first decontamination chamber and the second decontamination chamber.
The feed liquor control piston has one end to stretch out dirt separator body with hydraulic control piston is gone out, and the governor motion includes Feed liquor connecting rod, go out liquid connecting rod, feed liquor drive rod, go out liquid drive rod, feed liquor driving pole socket, go out liquid driving pole socket and action bars, institute Feed liquor connecting rod one end and feed liquor the control piston hinge other end is stated to be hinged with feed liquor drive rod, it is described go out liquid connecting rod one end with going out liquid The control piston hinge other end is hinged with going out liquid drive rod, and the feed liquor driving pole socket is arranged on below feed liquor drive rod and with entering Liquid drive rod is hinged, it is described go out liquid driving pole socket be arranged on out below liquid drive rod and be hinged with going out liquid drive rod, feed liquor driving Bar and going out between liquid drive rod is connected by action bars.
The first feed liquor plug, the second feed liquor plug and feed liquor control piston are integrally formed, and first goes out liquid plug, second Go out liquid plug and be integrally formed with going out hydraulic control piston, liquid plug, second are gone out in the first feed liquor plug, the second feed liquor plug, first Go out on liquid plug and be coated with rubber gasket.
Sealing ring is provided with the first decontamination chamber and cover plate junction, the second decontamination chamber and cover plate junction.
The screen pack is the rectangular parallelepiped structure that feed liquor side is provided with opening.
Beneficial effects of the present invention:
1st, it is used to be arranged on heating and ventilating pipeline when the present invention is used, two separate decontamination is set inside dirt separator Debris in pipeline can be blocked in decontamination intracavitary by chamber, control piston by feed liquor and go out hydraulic control piston to may be selected to make pipe Medium is by one of decontamination chamber in road, and then directly can decontaminate chamber to another and clear up, therefore uses dirt separator, Dirt separator inside can be cleared up in the case where not stopping flow of media, prevent that dirt excessively blocks pipe inside dirt separator Pulled down in road, and scale removal process without by dirt separator, improve the service life of dirt separator, by regular to two decontamination chambers Alternately clear up, the normal circulation of pipeline internal medium can be always ensured that.
2nd, the present invention is when which selection decontaminate chamber using, it is only necessary to the action bars turned an angle, both sides Feed pathway and liquid outlet channel operated simultaneously by the action bars of a connection linkage, with it is simple to operate, make Use labour-saving advantage.
3rd, screen pack of the invention is set to rectangular parallelepiped structure, can be directly placed at the decontamination intracavitary adaptable with it, When clearing up decontamination chamber, directly screen pack is taken out after opening cover plate, has cleared up after screen pack, has directly put it into To decontamination intracavitary, it is to complete cleaning to install upper cover plate, and whole scale removal process simple and fast is easy to operate, and due to being provided with Corresponding sealing ring, ensure that sealing effectiveness, it is to avoid medium flows out.
Brief description of the drawings
Accompanying drawing 1 is internal structure sectional view of the present invention;
Accompanying drawing 2 is overlooking the structure diagram of the present invention;
Accompanying drawing 3 is governor motion schematic diagram of the present invention;
Accompanying drawing 4 is filter screen structure schematic diagram of the present invention.
Label shown in accompanying drawing:1st, the second feed liquor plug;2nd, rubber gasket;3rd, feed liquor pipe joint;4th, the first feed liquor is blocked up Head;5th, dirt separator body;6th, feed pathway;7th, end part seal lid;8th, feed liquor control piston;9th, feed liquor connecting rod;10th, the first feed liquor Mouthful;11st, sealing ring;12nd, governor motion;13rd, the first decontamination chamber;14th, cover plate;15th, screen pack;16th, the first liquid outlet;17th, go out Hydraulic control piston;18th, liquid outlet channel;19th, first goes out liquid plug;20th, liquid outlet joint;21st, the second liquid outlet;22nd, second goes out Liquid plug;23rd, the second decontamination chamber;24th, dividing plate;25th, the second inlet;26th, feed liquor driving pole socket;27th, feed liquor drive rod;28、 Action bars;29th, liquid connecting rod is gone out;30th, liquid driving pole socket is gone out;31st, liquid drive rod is gone out.
Embodiment
With reference to the drawings and specific embodiments, the invention will be further described.It should be understood that these embodiments are merely to illustrate The present invention rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, this area Technical staff can make various changes or modifications to the present invention, and these equivalent form of values equally fall within scope defined herein.
As shown in Figure 1, a kind of heating and ventilating pipeline dirt separator, including dirt separator body 5, in the two end portions of dirt separator body 5 It is not provided with and the first decontamination chamber with opening is additionally provided with feed liquor pipe joint 3 and liquid outlet joint 20, the dirt separator body 5 13 and second decontaminate chamber 23, and the first decontamination chamber 13 and second is separated between decontaminating chamber 23 by dividing plate 24, in dirt separator sheet Side in body 5 close to feed liquor pipe joint 3 is provided with feed pathway 6, and the feed pathway 6 is connected with feed liquor pipe joint 3, except Side in dirty device body 5 close to liquid outlet joint 20 is provided with liquid outlet channel 18, the liquid outlet channel 18 and liquid outlet joint 20 connections, the first decontamination chamber 13 side is provided with the first inlet 10, and the first decontamination opposite side of chamber 13 is provided with first and gone out Liquid mouthful 16, the first inlet 10 is connected with feed pathway 6, and the first liquid outlet 16 is connected with liquid outlet channel 18, second decontamination The side of chamber 23 is provided with the second inlet 25, and the second decontamination opposite side of chamber 23 is provided with the second liquid outlet 21, the second inlet 25 Connect, the second liquid outlet 21 is connected with liquid outlet channel 18, be provided with the feed pathway 6 mobilizable with feed pathway 6 Feed liquor control to be provided with piston 8, feed liquor control piston 8 coordinate with the first inlet 10 the first feed liquor plug 4, with the The second feed liquor plug 1 that two inlets 25 coordinate, feed liquor control piston 8 position can control feed liquor pipe joint 3 and the first inlet 10 or second inlet 25 connect, be provided with the liquid outlet channel 18 it is mobilizable go out hydraulic control piston 17, it is described go out liquid First coordinated with the first liquid outlet 16 is provided with control piston 17 and goes out liquid plug 19, coordinate with the second liquid outlet 21 second Go out liquid plug 22, go out the controllable liquid outlet joint 20 in the position of hydraulic control piston 17 and connect with the first liquid outlet 16 or the second liquid outlet 21 It is logical, control feed liquor control piston 8 is provided with outside dirt separator body 5 and goes out the governor motion 12 of the position of hydraulic control piston 17, Screen pack 15, the first decontamination decontamination chamber of chamber 13 and second are provided with inside the described first decontamination decontamination chamber 23 of chamber 13 and second Dismountable cover plate 14 is provided with 23 opening.
It is arranged on when the present invention is used by feed liquor pipe joint 3 and liquid outlet joint 20 on heating and ventilating pipeline, feed pathway 6, Liquid outlet channel 18 is vertically arranged with feed liquor pipe joint 3, and feed pathway 6, the two ends of liquid outlet channel 18 are closed by end part seal lid 7, Feed liquor control piston 8 can be slided in feed pathway 6, and going out hydraulic control piston 17 can slide in liquid outlet channel 18, the first feed liquor Plug 4, the second feed liquor plug 1 and feed liquor control piston 8 are integrally formed, and first goes out liquid plug 19, second goes out liquid plug 22 with going out Hydraulic control piston 17, which is integrally formed, directly to be processed, in order to increase the sealing of plug, is entered in the first feed liquor plug 4, second Liquid plug 1, first go out liquid plug 19, second go out on liquid plug 22 to be coated with rubber gasket 2 with rounded corners.
When controlling piston 8 and going out hydraulic control piston 17 and adjust to position as shown in Figure 1 feed liquor, it is known that, by feed liquor The fluid media (medium) that pipe joint 3 is flowed into is flowed into feed pathway 6, because the first feed liquor plug 4 has blocked the first inlet 10, because This medium can only be flowed into the second decontamination chamber 23 from the second inlet 25, and the set by the second decontamination chamber 23 opposite side Two liquid outlets 21 are flowed out in liquid outlet channel 18, are gone out liquid plug 19 and have been blocked the first liquid outlet 16 due to first, therefore medium is only It can be flowed into out of second liquid outlet 21 in liquid outlet joint 20, form circulation of the medium in heating and ventilating pipeline, and medium passes through During the second decontamination chamber 23, contaminant filter can be fallen by the screen pack 15 being arranged in the second decontamination chamber 23.Now due to first There is no a flow of media in decontamination chamber 13, therefore can directly open cover plate 14, by the first screen pack 15 decontaminated in chamber 13 remove into Row cleaning.When needed after using a period of time to second decontamination chamber 23 in dirt clear up when, it is only necessary to operate governor motion 12, feed liquor is controlled piston 8 and is gone out hydraulic control piston 17 and move up, open the first inlet 10 and the first liquid outlet 16, seal Closing the second inlet 25 and the second liquid outlet 21 can make medium be circulated by the first decontamination chamber 13, now in the second decontamination chamber 23 There is no flow of media, it can be cleared up.
It is used to control feed liquor to control piston 8 and go out the structure of hydraulic control piston 17 such as shown in accompanying drawing 2,3, in the present invention Under:Including feed liquor connecting rod 9, go out liquid connecting rod 29, feed liquor drive rod 27, go out liquid drive rod 31, feed liquor driving pole socket 26, go out liquid driving Pole socket 30 and action bars 28, described one end of feed liquor connecting rod 9 are hinged the other end with feed liquor control piston 8 and cut with scissors with feed liquor drive rod 27 Connect, it is described go out the one end of liquid connecting rod 29 be hinged the other end with going out hydraulic control piston 17 and be hinged with going out liquid drive rod 31, the feed liquor drives Lever seat 26 is arranged on the lower section of feed liquor drive rod 27 and is hinged with feed liquor drive rod 27, it is described go out liquid driving pole socket 30 be arranged on out The lower section of liquid drive rod 31 is simultaneously hinged with going out liquid drive rod 31, feed liquor drive rod 27 and is gone out between liquid drive rod 31 by action bars 28 Connection.By linkage principle, it can be moved when rotating operation bar 28 and be changed into feed liquor control piston 8 and go out hydraulic control system The vertical motion of piston 17, completes the switching of its position, and the governor motion is arranged on into position shown in accompanying drawing 2, it is to avoid with lid The position of plate 14 interferes the cleaning that influence first decontaminates chamber 13.
In order to increase the sealing effectiveness between cover plate 14 and decontamination chamber, in the first decontamination chamber 13 and the junction of cover plate 14, the Two decontamination chambers 23 and the junction of cover plate 14 are provided with sealing ring 11.

Claims (5)

1. a kind of heating and ventilating pipeline dirt separator, including dirt separator body (5), be respectively arranged with dirt separator body (5) both ends into Liquid pipe connection (3) and liquid outlet joint (20), it is characterised in that:The with opening is additionally provided with the dirt separator body (5) One decontamination chamber (13) and the second decontamination chamber (23), dividing plate is passed through between the first decontamination chamber (13) and the second decontamination chamber (23) (24) separate, the side of feed liquor pipe joint (3) is provided with feed pathway (6) in dirt separator body (5), the feed liquor leads to Road (6) is connected with feed liquor pipe joint (3), and the side close to liquid outlet joint (20) in dirt separator body (5) is provided with out liquid Passage (18), the liquid outlet channel (18) connects with liquid outlet joint (20), and described first decontamination chamber (13) side is provided with the One inlet (10), first decontamination chamber (13) opposite side is provided with the first liquid outlet (16), and the first inlet (10) leads to feed liquor Road (6) is connected, and the first liquid outlet (16) is connected with liquid outlet channel (18), and described second decontamination chamber (23) side is provided with second and entered Liquid mouthful (25), second decontamination chamber (23) opposite side is provided with the second liquid outlet (21), the second inlet (25) and feed pathway (6) Connection, the second liquid outlet (21) connects with liquid outlet channel (18), the feed pathway (6) it is interior be provided with it is mobilizable enter hydraulic control Be provided with piston (8) processed, feed liquor control piston (8) coordinate with the first inlet (10) the first feed liquor plug (4), with Second inlet (25) coordinate the second feed liquor plug (1), feed liquor control piston (8) position can control feed liquor pipe joint (3) with First inlet (10) or the second inlet (25) connection, be provided with the liquid outlet channel (18) it is mobilizable go out hydraulic control system Piston (17), it is described go out hydraulic control piston (17) on be provided with the first liquid outlet (16) coordinate first go out liquid plug (19), Second coordinated with the second liquid outlet (21) goes out liquid plug (22), goes out hydraulic control piston (17) position and can control liquid outlet joint (20) connected with the first liquid outlet (16) or the second liquid outlet (21), be provided with and controlled into hydraulic control outside dirt separator body (5) Piston (8) processed and the governor motion (12) for going out hydraulic control piston (17) position, in the described first decontamination chamber (13) and the second decontamination It is provided with screen pack (15) inside chamber (23), the first decontamination chamber (13) and second decontaminate that be provided with the opening of chamber (23) can The cover plate (14) of dismounting.
2. a kind of heating and ventilating pipeline dirt separator as claimed in claim 1, it is characterised in that:The feed liquor controls piston (8) and gone out Hydraulic control piston (17) has one end to stretch out dirt separator body (5), and the governor motion includes feed liquor connecting rod (9), goes out liquid connecting rod (29), feed liquor drive rod (27), go out liquid drive rod (31), feed liquor driving pole socket (26), go out liquid driving pole socket (30) and action bars (28), described feed liquor connecting rod (9) one end is hinged the other end with feed liquor control piston (8) and is hinged with feed liquor drive rod (27), described Go out liquid connecting rod (29) one end and be hinged the other end with going out hydraulic control piston (17) and be hinged with going out liquid drive rod (31), the feed liquor driving Pole socket (26) is arranged on below feed liquor drive rod (27) and is hinged with feed liquor drive rod (27), it is described go out liquid driving pole socket (30) set Put and below liquid drive rod (31) and be hinged with going out liquid drive rod (31), feed liquor drive rod (27) and go out liquid drive rod (31) it Between pass through action bars (28) connect.
3. a kind of heating and ventilating pipeline dirt separator as claimed in claim 1, it is characterised in that:The first feed liquor plug (4), second Feed liquor plug (1) and feed liquor control piston (8) are integrally formed, and first goes out liquid plug (19), second goes out liquid plug (22) and go out liquid Control piston (17) is integrally formed, and liquid plug (19), second are gone out in the first feed liquor plug (4), the second feed liquor plug (1), first Go out and rubber gasket (2) is coated with liquid plug (22).
4. a kind of heating and ventilating pipeline dirt separator as claimed in claim 1, it is characterised in that:In the first decontamination chamber (13) and cover plate (14) junction, second decontamination chamber (23) and cover plate (14) junction are provided with sealing ring (11).
5. a kind of heating and ventilating pipeline dirt separator as claimed in claim 1, it is characterised in that:The screen pack (15) is feed liquor side It is provided with the rectangular parallelepiped structure of opening.
CN201710736547.1A 2017-08-24 2017-08-24 A kind of heating and ventilating pipeline dirt separator Active CN107281792B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710736547.1A CN107281792B (en) 2017-08-24 2017-08-24 A kind of heating and ventilating pipeline dirt separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710736547.1A CN107281792B (en) 2017-08-24 2017-08-24 A kind of heating and ventilating pipeline dirt separator

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CN107281792A true CN107281792A (en) 2017-10-24
CN107281792B CN107281792B (en) 2019-04-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111536081A (en) * 2020-05-26 2020-08-14 李军 Centrifugal pump
CN111577662A (en) * 2020-05-26 2020-08-25 邵玉刚 Water pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT307016B (en) * 1945-04-07 1973-05-10 Luigi Marianelli Filter device on the spray head of an extruder or the like. for processing plastic
CN202972334U (en) * 2012-10-25 2013-06-05 董服义 High-sealing quick connection filtering valve
CN203379697U (en) * 2013-08-07 2014-01-08 长春黄金研究院 Uninterrupted pipeline filter
CN205732164U (en) * 2016-01-15 2016-11-30 赵爱国 Supply channel dirt separator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT307016B (en) * 1945-04-07 1973-05-10 Luigi Marianelli Filter device on the spray head of an extruder or the like. for processing plastic
CN202972334U (en) * 2012-10-25 2013-06-05 董服义 High-sealing quick connection filtering valve
CN203379697U (en) * 2013-08-07 2014-01-08 长春黄金研究院 Uninterrupted pipeline filter
CN205732164U (en) * 2016-01-15 2016-11-30 赵爱国 Supply channel dirt separator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111536081A (en) * 2020-05-26 2020-08-14 李军 Centrifugal pump
CN111577662A (en) * 2020-05-26 2020-08-25 邵玉刚 Water pump
CN111577662B (en) * 2020-05-26 2021-07-13 山东华立供水设备有限公司 Water pump

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Effective date of registration: 20210723

Address after: 063000 east of North Ring Road, Caofeidian Industrial Zone, Tangshan City, Hebei Province

Patentee after: TANGSHAN CAOFEIDIAN THERMAL POWER Co.,Ltd.

Address before: 065000 Room 502, unit 2, building 10, air garden, Jianguo Road, Guangyang District, Langfang City, Hebei Province

Patentee before: Wang Xinxin

Patentee before: Ma Baoyun

Patentee before: Jiang Menqi

Patentee before: Sun Xiaocheng