CN112922532A - Spiral alloy drill bit - Google Patents

Spiral alloy drill bit Download PDF

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Publication number
CN112922532A
CN112922532A CN202110101042.4A CN202110101042A CN112922532A CN 112922532 A CN112922532 A CN 112922532A CN 202110101042 A CN202110101042 A CN 202110101042A CN 112922532 A CN112922532 A CN 112922532A
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CN
China
Prior art keywords
rod
filter layer
drill bit
spiral
layer
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
CN202110101042.4A
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Chinese (zh)
Other versions
CN112922532B (en
Inventor
黄海茹
张经龙
武冰
车景矿
蔡峰
胡瑞金
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.)
Shandong Yanneng Taide Heavy Industry Co.,Ltd.
Original Assignee
Shandong Yuanyuntong Mining Equipment Science And Technology Co ltd
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.)
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Publication date
Application filed by Shandong Yuanyuntong Mining Equipment Science And Technology Co ltd filed Critical Shandong Yuanyuntong Mining Equipment Science And Technology Co ltd
Priority to CN202110101042.4A priority Critical patent/CN112922532B/en
Publication of CN112922532A publication Critical patent/CN112922532A/en
Application granted granted Critical
Publication of CN112922532B publication Critical patent/CN112922532B/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering 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
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Earth Drilling (AREA)

Abstract

The invention relates to the technical field of coal mining, in particular to a spiral alloy drill bit which comprises a drill bit body, a spiral rod body, a water passing channel and a connector, wherein the spiral rod body is provided with a spiral rod body; the drill bit body is arranged at one end of the spiral rod body, and the other end of the spiral rod body is provided with a joint; a filtering mechanism is arranged inside the spiral rod body; the filtering mechanism comprises an upper filtering layer and a lower filtering layer; the upper surface of the top of the upper filter layer is fixedly connected with a rotating rod, and the lower surface of the top of the upper filter layer is fixedly connected with an outer cylinder; the side surface of the outer cylinder body is provided with a spiral through hole, a rod body is sleeved in the outer cylinder body, and a guide rod is arranged on the side surface of the rod body and penetrates through the spiral through hole; the rod body is fixedly connected with the lower surface of the top of the lower filter layer through a first connecting rod; the upper filter layer and the lower filter layer are both provided with brush bodies; the rod body is connected with the inner wall of the water passing channel in a sliding mode through a second connecting rod, and the second connecting rod is located below the second connecting rod. The invention can effectively prevent the backflow of the sediment and clear the sediment in the drill bit, and has strong adaptability.

Description

Spiral alloy drill bit
Technical Field
The invention relates to the technical field of coal mining, in particular to a spiral alloy drill bit.
Background
The drill bit is one of the equipment commonly used in coal mining, for example chinese patent CN201720583747.3 discloses a auger bit with direction function, including drilling rod, guide structure and the drill bit that is used for drilling, and guide structure sets up the periphery at the drilling rod, and guide structure includes a plurality of guide keys of arranging outside the drilling rod, and a plurality of guide keys are the interval and encircle to arrange in the drilling rod periphery, and the guide key is and is on a parallel with the drilling rod and arranges, and the drill bit is connected in the tip of drilling rod. In the drilling process, the guide structure is restrained by the hole wall, so that the drill rod cannot shake, the drill bit cannot randomly deflect in a soil layer with uneven hardness under the guiding and correcting effects of the guide keys, and the gap between the guide keys is large, so that the drilling slag generated by the spiral drill bit in the drilling process cannot be prevented from passing through, and the vertical drilling is ensured. The front end of the existing drill bit is easy to enter sediment, so that the normal use of the drill bit is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a spiral alloy drill bit capable of effectively removing sediments in the drill bit.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a spiral alloy drill bit comprises a drill bit body, a spiral rod body, a water passing channel and a joint; the drill bit body is arranged at one end of the spiral rod body, the blade part of the drill bit body is provided with a hard alloy layer, and the hard alloy layer is a tungsten carbide and cobalt alloy layer; the other end of the spiral rod body is provided with a joint for connecting a drill rod, and the joint is a female joint with internal threads; a filtering mechanism is arranged inside the spiral rod body; the filtering mechanism comprises an upper filtering layer and a lower filtering layer which are sequentially arranged from top to bottom; the upper filter layer and the lower filter layer are of horn-shaped structures with downward openings; the upper surface of the top of the upper filter layer is fixedly connected with a rotating rod, and the lower surface of the top of the upper filter layer is fixedly connected with an outer cylinder; the side surface of the outer cylinder body is provided with a spiral through hole, a rod body is sleeved in the outer cylinder body, a guide rod is arranged at the position, close to the top, of the side surface of the rod body, and the guide rod penetrates through the spiral through hole; one end of the rod body, which is positioned outside the outer cylinder body, is fixedly connected with the lower surface of the top of the lower filtering layer through a first connecting rod, and the outer cylinder body penetrates through the lower filtering layer; the upper filter layer and the lower filter layer are both provided with brush bodies; the rod body is connected with a vertical groove formed in the inner wall of the water passing channel in a vertical sliding mode through a second connecting rod, and the second connecting rod is located below the second connecting rod. The invention can effectively prevent the sediment from continuously flowing back to the drill bit through the two filter layers; when two filter layers need to be cleaned, the upper filter layer and the outer cylinder body are driven to rotate by rotating the rotary rod, the lower filter layer moves upwards under the cooperative fit of the structure (two end parts of the connecting rod are positioned in the vertical groove, the guide rod is positioned in the spiral through hole, and the rod body is connected with the lower filter layer through the first connecting rod), and when the lower filter layer is close to or contacts the upper filter layer, the rotary rod is rotated in the forward and reverse directions, so that the upper filter layer and the lower filter layer are mutually cleaned by the two layers of brushes, and the purpose of cleaning sediments is achieved.
Furthermore, the brush body on the upper filter layer is positioned below the upper filter layer, and the brush body on the lower filter layer is positioned below the lower filter layer, so that the filtering effect of the two filter layers is improved.
Furthermore, the top edge of the upper filter layer is positioned in a groove of the annular guide rail, and two sides of the annular guide rail are fixedly connected with the inner wall of the water passing channel through a third connecting rod, so that the upper filter layer is more stable.
Further, the opening angles of the lower filter layer and the upper filter layer are the same.
Furthermore, the aperture of the filtering hole of the lower filtering layer is smaller than that of the filtering hole of the upper filtering layer, so that when the lower filtering layer is in contact with the upper filtering layer, the backflow of sediments is better prevented.
Further, the top surface of the lower filter layer is flush with the top surface of the rod body.
Furthermore, the top height of the rotating rod is higher than that of the joint, so that the rotating rod can be conveniently and manually rotated.
Furthermore, the rotating rod is located at the center of the upper surface of the upper filtering layer, so that the influence on water flow in the water passing channel is better avoided.
Further, rotary rod, outer barrel and the body of rod all set up coaxially.
The invention has the technical effects that:
compared with the prior art, the spiral alloy drill bit provided by the invention has the advantages that the two filter layers are arranged in the drill bit, so that the sediment can be effectively prevented from continuously flowing back into the drill bit; the structure of the filtering mechanism is arranged, so that when two filtering layers need to be cleaned, the rotating rod is rotated to drive the upper filtering layer and the outer cylinder body to rotate, the lower filtering layer moves upwards, and when the lower filtering layer is close to or contacts with the upper filtering layer, the rotating rod is rotated in the forward and reverse directions, so that the upper filtering layer and the lower filtering layer are mutually wiped by the two layers of brush bodies, and the purpose of cleaning sediments is achieved; the corrugated plate is arranged on the spiral through hole, so that sediments can be prevented from entering the outer cylinder body; the invention can effectively prevent the backflow of the sediment and clear the sediment in the drill bit, and has strong adaptability.
Drawings
FIG. 1 is a schematic view of the principle of the main structure of embodiment 1 of the present invention;
FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 3 is a partial structural view of embodiment 1 of the present invention;
FIG. 4 is a schematic diagram showing the structure of a circular guide rail according to embodiment 1 of the present invention;
fig. 5 is a partial structural view of embodiment 2 of the present invention.
The drilling bit comprises a drilling bit body 1, a spiral rod body 2, a water passing channel 3, a joint 4, an upper filter layer 5, a lower filter layer 6, a rotary rod 7, an outer cylinder body 8, a spiral through hole 9, a rod body 10, a guide rod 11, a first connecting rod 12, a brush body 13, a second connecting rod 14, a vertical groove 15, an annular guide rail 16, a groove 17, a third connecting rod 18 and a corrugated plate 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the specification.
Example 1:
the spiral alloy drill bit comprises a drill bit body 1, a spiral rod body 2, a water passing channel 3 and a joint 4; the drill bit body 1 is arranged at one end of the spiral rod body 2, the blade part of the drill bit body 1 is provided with a hard alloy layer, and the hard alloy layer is a tungsten carbide and cobalt alloy layer; the other end of the spiral rod body 2 is provided with a joint 4 for connecting a drill rod, and the joint 4 is a female joint provided with internal threads; a filtering mechanism is arranged inside the spiral rod body 2; the filtering mechanism comprises an upper filtering layer 5 and a lower filtering layer 6 which are arranged from top to bottom in sequence; the upper filter layer 5 and the lower filter layer 6 are both of horn-shaped structures with downward openings; the upper surface of the top of the upper filter layer 5 is fixedly connected with a rotating rod 7, and the lower surface of the top is fixedly connected with an outer cylinder 8; a spiral through hole 9 is formed in the side surface of the outer cylinder 8, a rod body 10 is sleeved in the outer cylinder 8, a guide rod 11 is arranged at the position, close to the top, of the side surface of the rod body 10, and the guide rod 11 penetrates through the spiral through hole 9; one end of the rod body 10, which is positioned at the outer side of the outer cylinder body 8, is fixedly connected with the lower surface of the top of the lower filter layer 6 through a first connecting rod 12, and the outer cylinder body 8 penetrates through the lower filter layer 6; the rotating rod 7, the outer cylinder 8 and the rod body 10 are coaxially arranged; brush bodies 13 (such as brush hair) are arranged on the upper filter layer 5 and the lower filter layer 6; the rod body 10 is connected with a vertical groove 15 formed in the inner wall of the water passing channel 3 in a vertical sliding mode through a second connecting rod 14, and the second connecting rod 14 is located below the first connecting rod 12. The invention can effectively prevent the sediment from continuously flowing back to the drill bit through the two filter layers; when two filter layers need to be cleaned, the rotating rod 7 is rotated to drive the upper filter layer 5 and the outer barrel 8 to rotate, the lower filter layer 6 is moved upwards under the cooperative fit of the structure (the end part of the second connecting rod 14 is positioned in the vertical groove 15, the guide rod 11 is positioned in the spiral through hole 9, and the rod body 10 is connected with the lower filter layer 6 through the first connecting rod 12), and when the lower filter layer 6 is close to or contacts the upper filter layer 5, the rotating rod 7 is rotated in the forward and reverse directions, so that the upper filter layer 5 and the lower filter layer 6 are mutually wiped by the two layers of brush bodies 13, and the purpose of cleaning sediments is achieved.
The brush body 13 on the upper filter layer 5 is positioned below the upper filter layer 5, and the brush body 13 on the lower filter layer 6 is positioned below the lower filter layer 6, so that the filtering effect of the two filter layers is improved.
The top edge of the upper filter layer 5 is positioned in a groove 17 of the annular guide rail 16, and two sides of the annular guide rail 16 are fixedly connected with the inner wall of the water passing channel 3 through a third connecting rod 18, so that the upper filter layer 5 is more stable.
The opening angles of the lower filter layer 6 and the upper filter layer 5 are the same; the aperture of the filtering hole of the lower filtering layer 6 is smaller than that of the filtering hole of the upper filtering layer 5, so that when the lower filtering layer 6 is contacted with the upper filtering layer 5, the backflow of sediments is better prevented.
The top surface of the lower filter layer 6 is flush with the top surface of the rod body 10; the top height of the rotating rod 7 is higher than that of the joint 4, so that the rotating rod 7 can be conveniently rotated manually; the rotating rod 7 is positioned in the center of the upper surface of the upper filtering layer 5, so that the influence on the water flow in the water passage 3 is better avoided.
The working principle is as follows: the invention can effectively prevent the sediment from continuously flowing back to the drill bit through the two filter layers; when two filter layers need to be cleaned, the rotating rod 7 is rotated, the upper filter layer 5 and the outer barrel 8 are driven to rotate, the lower filter layer 6 is moved upwards under the cooperative fit of the structure (the end part of the second connecting rod 14 is positioned in the vertical groove 15, the guide rod 11 is positioned in the spiral through hole 9, and the rod body 10 is connected with the lower filter layer 6 through the first connecting rod 12), when the lower filter layer 6 is close to or contacts the upper filter layer 5, the rotating rod 7 is rotated forward and backward continuously, the upper filter layer 5 and the lower filter layer 6 are wiped by the two layers of brush bodies 13, water is sprayed into the water passage 3 for washing, and the purpose of cleaning sediments is achieved.
Example 2:
the spiral alloy drill bit related to the embodiment has the same structure as that of the embodiment 1, and the difference is that: the guide arm 11 both sides are equipped with buckled plate 19, and buckled plate 19 both ends and the outer barrel 8 fixed connection of spiral through-hole 9 tip, the outer barrel 8 sliding connection of 19 both sides face of buckled plate and spiral through-hole 9 side, when the guide arm 11 removed in spiral through-hole 9, drive buckled plate 19 simultaneously flexible to prevent that the sediment from getting into in the outer barrel 8.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The spiral alloy drill bit comprises a drill bit body (1), a spiral rod body (2), a water passing channel (3) and a joint (4); the drill bit body (1) is arranged at one end of the spiral rod body (2), and a hard alloy layer is arranged at the cutting part of the drill bit body (1); the other end of the spiral rod body (2) is provided with a joint (4) for connecting a drill rod, and the joint (4) is a female joint provided with internal threads; the method is characterized in that: a filtering mechanism is arranged inside the spiral rod body (2); the filtering mechanism comprises an upper filtering layer (5) and a lower filtering layer (6) which are sequentially arranged from top to bottom; the upper filter layer (5) and the lower filter layer (6) are both of horn-shaped structures with downward openings; the upper surface of the top of the upper filter layer (5) is fixedly connected with a rotating rod (7), and the lower surface of the top is fixedly connected with an outer cylinder body (8); a spiral through hole (9) is formed in the side face of the outer cylinder body (8), a rod body (10) is sleeved in the outer cylinder body (8), a guide rod (11) is arranged at the position, close to the top, of the side face of the rod body (10), and the guide rod (11) penetrates through the spiral through hole (9); one end of the rod body (10) positioned at the outer side of the outer cylinder body (8) is fixedly connected with the lower surface of the top of the lower filtering layer (6) through a first connecting rod (12), and the outer cylinder body (8) penetrates through the lower filtering layer (6); the upper filter layer (5) and the lower filter layer (6) are both provided with brush bodies (13); the rod body (10) is connected with a vertical groove (15) formed in the inner wall of the water passing channel (3) in a vertical sliding mode through a second connecting rod (14), and the second connecting rod (14) is located below the first connecting rod (12).
2. The helical alloy drill bit of claim 1, wherein: the brush body (13) on the upper filter layer (5) is positioned below the upper filter layer (5), and the brush body (13) on the lower filter layer (6) is positioned below the lower filter layer (6).
3. The helical alloy drill bit of claim 1, wherein: the top edge of the upper filter layer (5) is positioned in a groove (17) of the annular guide rail (16), and two sides of the annular guide rail (16) are fixedly connected with the inner wall of the water passing channel (3) through a third connecting rod (18).
4. The helical alloy drill bit of claim 1, 2 or 3, wherein: the opening angles of the lower filter layer (6) and the upper filter layer (5) are the same.
5. The helical alloy drill bit of claim 4, wherein: the aperture of the filtering hole of the lower filtering layer (6) is smaller than that of the filtering hole of the upper filtering layer (5).
6. The helical alloy drill bit of claim 1 or 2 or 3 or 5, wherein: the top surface of the lower filter layer (6) is flush with the top surface of the rod body (10).
7. The helical alloy drill bit of claim 6, wherein: the top height of the rotating rod (7) is higher than that of the joint (4).
8. The helical alloy drill bit of claim 1 or 2 or 3 or 5 or 7, wherein: the rotating rod (7) is positioned in the center of the upper surface of the upper filter layer (5).
9. The helical alloy drill bit of claim 8, wherein: the rotating rod (7), the outer barrel (8) and the rod body (10) are all coaxially arranged.
10. The helical alloy drill bit as set forth in claim 1, 2, 3, 5, 7, or 9, wherein: the guide rod (11) both sides are equipped with buckled plate (19), and buckled plate (19) both ends and outer barrel (8) fixed connection of spiral through-hole (9) tip, buckled plate (19) both sides face and outer barrel (8) sliding connection of spiral through-hole (9) side.
CN202110101042.4A 2021-01-26 2021-01-26 Spiral alloy drill bit Active CN112922532B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110101042.4A CN112922532B (en) 2021-01-26 2021-01-26 Spiral alloy drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110101042.4A CN112922532B (en) 2021-01-26 2021-01-26 Spiral alloy drill bit

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CN112922532B CN112922532B (en) 2022-09-02

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101530692A (en) * 2009-03-05 2009-09-16 张继川 Drilling tool filter screen for realizing protection of internal wall of drilling tool
CN101979121A (en) * 2010-09-16 2011-02-23 清华大学 Self-rotating clean collecting device
CN106132498A (en) * 2014-03-14 2016-11-16 陶氏环球技术有限责任公司 There is the cross-flow filter molectron of the cleaning molectron of improvement
CN109481972A (en) * 2019-01-22 2019-03-19 重庆工程职业技术学院 A kind of waste water filter device with cleaning function
CN109882079A (en) * 2019-03-15 2019-06-14 邹城兖矿泰德工贸有限公司 Spiral alloy bit
CN210021354U (en) * 2019-05-06 2020-02-07 毅康科技有限公司 Solid-liquid separation treatment device capable of performing multi-layer filtration for reclaimed water reuse
CN111701312A (en) * 2020-06-29 2020-09-25 刘玉英 Hydraulic engineering's sewage treatment plant
CN212187983U (en) * 2020-05-14 2020-12-22 济南万坤水务科技有限公司 Pressure type multi-medium filtering device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101530692A (en) * 2009-03-05 2009-09-16 张继川 Drilling tool filter screen for realizing protection of internal wall of drilling tool
CN101979121A (en) * 2010-09-16 2011-02-23 清华大学 Self-rotating clean collecting device
CN106132498A (en) * 2014-03-14 2016-11-16 陶氏环球技术有限责任公司 There is the cross-flow filter molectron of the cleaning molectron of improvement
CN109481972A (en) * 2019-01-22 2019-03-19 重庆工程职业技术学院 A kind of waste water filter device with cleaning function
CN109882079A (en) * 2019-03-15 2019-06-14 邹城兖矿泰德工贸有限公司 Spiral alloy bit
CN210021354U (en) * 2019-05-06 2020-02-07 毅康科技有限公司 Solid-liquid separation treatment device capable of performing multi-layer filtration for reclaimed water reuse
CN212187983U (en) * 2020-05-14 2020-12-22 济南万坤水务科技有限公司 Pressure type multi-medium filtering device
CN111701312A (en) * 2020-06-29 2020-09-25 刘玉英 Hydraulic engineering's sewage treatment plant

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Address after: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province

Patentee after: Shandong Yanneng Taide Heavy Industry Co.,Ltd.

Address before: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province

Patentee before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd.