CN109316806A - A kind of underground water thermal energy extract equipment that anticorrosion is anti-oxidation - Google Patents

A kind of underground water thermal energy extract equipment that anticorrosion is anti-oxidation Download PDF

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Publication number
CN109316806A
CN109316806A CN201811515389.8A CN201811515389A CN109316806A CN 109316806 A CN109316806 A CN 109316806A CN 201811515389 A CN201811515389 A CN 201811515389A CN 109316806 A CN109316806 A CN 109316806A
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CN
China
Prior art keywords
containing box
guide sleeve
thermal energy
underground water
filter
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Granted
Application number
CN201811515389.8A
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Chinese (zh)
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CN109316806B (en
Inventor
刘艺辉
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.)
Hunan Dadao New Energy Development Co Ltd
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Hunan Dadao New Energy Development Co Ltd
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Priority to CN201811515389.8A priority Critical patent/CN109316806B/en
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Publication of CN109316806B publication Critical patent/CN109316806B/en
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    • 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
    • B01D29/50Filters 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
    • 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
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/66Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sewage (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The present invention provides a kind of underground water thermal energy extract equipment that anticorrosion is anti-oxidation.The anti-oxidation underground water thermal energy extract equipment of the anticorrosion includes container structure, filter sheath, filter screen, fixed structure and drive mechanism;The bottom end of the container structure is set to for the filter sheath of primary filtration scrap;The inside of the container structure is set to for the filter screen of secondary filter scrap;The fixed structure for fixedly delivery pipeline is set to one end that the container structure deviates from the filter sheath;The drive mechanism includes guide sleeve and bearing, and the bearing is embedded in the inside of the container structure, and the guide sleeve, through the bearing, for the guide sleeve by being rotatablely connected between the bearing and the container structure, the guide sleeve is T-shaped structure.The anti-oxidation underground water thermal energy extract equipment of anticorrosion provided by the invention has the advantages that anti-blocking performance is good, scrap filter effect is good, GEOTHERMAL WATER extraction efficiency is high.

Description

A kind of underground water thermal energy extract equipment that anticorrosion is anti-oxidation
Technical field
The present invention relates to underground heat equipment technical fields more particularly to a kind of extraction of underground water thermal energy that anticorrosion is anti-oxidation to set It is standby.
Background technique
With the rapid development of society, scientific and technological progress, geothermal energy are produced use, and underground heat refers to that earth lava is outside Natural hot-fluid is a kind of heat resource from earth interior, and the heat of underground heat can be converted into the energy, fluent in GEOTHERMAL WATER With needing to extract the water source in geothermal well by extract equipment in the process, then GEOTHERMAL WATER is carried out by conveyance conduit Conveying, is converted to the available energy for the heat of GEOTHERMAL WATER finally by conversion equipment.
However the filtering of the filter screen of the water inlet of the anti-oxidation underground water thermal energy extract equipment of traditional anticorrosion is useless It considers poor filtration effect to be worth doing, scrap is be easy to cause to block at filter screen, poor filtration effect be easy to cause the inside of extract equipment stifled Plug.
It is asked therefore, it is necessary to provide the anti-oxidation underground water thermal energy extract equipment of the new anticorrosion of one kind and solve above-mentioned technology Topic.
Summary of the invention
That the technical problem to be solved by the present invention is to provide a kind of anti-blocking performances is good, scrap filter effect is good, GEOTHERMAL WATER extracts effect The anti-oxidation underground water thermal energy extract equipment of the high anticorrosion of rate.
In order to solve the above technical problems, the anti-oxidation underground water thermal energy extract equipment of anticorrosion provided by the invention includes: Container structure, filter sheath, filter screen, fixed structure and drive mechanism;The filter sheath for primary filtration scrap is set to institute State the bottom end of container structure;The inside of the container structure is set to for the filter screen of secondary filter scrap;For fixing The fixed structure of GEOTHERMAL WATER conveyance conduit is set to one end that the container structure deviates from the filter sheath;For clearing up automatically The drive mechanism of the filter sheath and its filter screen is set to the side wall of the container structure, and the drive mechanism includes Guide sleeve and bearing, the bearing is embedded in the inside of the container structure, and the guide sleeve is through the bearing, described to lead To set by being rotatablely connected between the bearing and the container structure, the guide sleeve is T-shaped structure.
Preferably, the container structure includes containing box and end cap, and the filter sheath is set to the bottom end of the containing box, institute The inside that filter screen is set to the containing box is stated, the side wall of the containing box is embedded with the bearing, and the end cap is fixed on The containing box top.
Preferably, the end cap is bolted with the containing box, and be threaded on the end cap for pair The sealing-plug of the anti-bits of bolt.
Preferably, the drive mechanism further includes anti-bits set and limit plate, and the anti-bits set is fixed on the guide sleeve, institute The inside that anti-bits set is embedded in the containing box is stated, is rotatablely connected between the anti-bits set and the containing box, the limit plate is solid Due to the end of the guide sleeve.
Preferably, the limit plate is trapezium structure away from the section of one end of the guide sleeve, and the limit plate is embedding Enter the hexagonal structure that is positive of one end of the guide sleeve.
Preferably, the filter screen engages with the containing box, and the section bottom edge of the filter screen is wavy shaped configuration.
Preferably, the fixed structure includes fixing sleeve, baffle, adjusting rod and connector, and the fixing sleeve is fixed on institute End cap is stated, the connector extends to the inside of the containing box through the fixing sleeve from the end cap, and end is arc It is slidably connected between the baffle and the fixing sleeve of structure, the adjusting rod of L-shaped structure prolongs through the fixing sleeve Extend to the inside of the baffle, be rotatablely connected between the adjusting rod and the fixing sleeve, the adjusting rod and the baffle it Between be threadedly coupled.
Preferably, the side wall of the containing box is equipped with position limiting structure, and the position limiting structure includes limit sleeve and retaining ring, described Retaining ring is fixed on the containing box, is detachably connected between the retaining ring and the limit sleeve.
Compared with the relevant technologies, the anti-oxidation underground water thermal energy extract equipment of anticorrosion provided by the invention has as follows The utility model has the advantages that
The present invention provides a kind of underground water thermal energy extract equipment that anticorrosion is anti-oxidation, and the container structure bottom end is equipped with net The filter sheath of trellis, and then effectively prevent the biggish foreign matter of volume from entering the inside of the container structure, cooperate simultaneously The filter screen of the inside of the container structure carries out secondary filter to scrap, and then substantially increases the filtering effect of scrap Rate improves the anti-blocking performance of extract equipment, while when wherein certain one side of the filter sheath and the filter screen blocks, making It is different at the inside water pressure of the container structure, make the flow instability near the container structure, make the container structure with The guide sleeve rotation, and then underground heat water flow is made to clean the filter sheath and the filter screen automatically, silt is avoided described Assemble on filter sheath and the filter screen, and then keep the filter sheath and the anti-blocking performance of the filter screen more preferable, improves ground The extraction efficiency and its quality of hot water, while the bearing is equipped between the guide sleeve and the container structure, make the receipts Micro-nano structure rotation is more smooth, improves using flexible.
Detailed description of the invention
Fig. 1 is a kind of knot of preferred embodiment of the anti-oxidation underground water thermal energy extract equipment of anticorrosion provided by the invention Structure schematic diagram;
Fig. 2 is the attachment structure schematic diagram of container structure shown in FIG. 1 and fixed structure;
Fig. 3 is the portion A shown in Fig. 2 enlarged diagram.
Figure label: 1, filter sheath, 2, position limiting structure, 21, limit sleeve, 22, retaining ring, 3, container structure, 31, containing box, 32, end cap, 4, sealing-plug, 5, fixed structure, 51, fixing sleeve, 52, baffle, 53, adjusting rod, 54, connector, 6, drive mechanism, 61, anti-bits set, 62, guide sleeve, 63, limit plate, 64, bearing, 7, filter screen.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is the anti-oxidation underground water thermal energy of anticorrosion provided by the invention A kind of structural schematic diagram of preferred embodiment of extract equipment;Fig. 2 is the connection knot of container structure shown in FIG. 1 and fixed structure Structure schematic diagram;Fig. 3 is the portion A shown in Fig. 2 enlarged diagram.The anti-oxidation underground water thermal energy extract equipment of anticorrosion includes: to receive Micro-nano structure 3, filter sheath 1, filter screen 7, fixed structure 5 and drive mechanism 6;The filter sheath 1 for primary filtration scrap is set In the bottom end of the container structure 3;The inside of the container structure 3 is set to for the filter screen 7 of secondary filter scrap;With One end that the container structure 3 deviates from the filter sheath 1 is set in the fixed structure 5 of fixedly delivery pipeline;With The side wall of the container structure 3, institute are set in the drive mechanism 6 for clearing up the filter sheath 1 and its filter screen 7 automatically Stating drive mechanism 6 includes guide sleeve 62 and bearing 64, and the bearing 64 is embedded in the inside of the container structure 3, and the guiding Set 62 is through the bearing 64, and the guide sleeve 62 between the bearing 64 and the container structure 3 by being rotatablely connected, institute Stating guide sleeve 62 is T-shaped structure.
In the specific implementation process, as depicted in figs. 1 and 2, the container structure 3 includes containing box 31 and end cap 32, institute The bottom end that filter sheath 1 is set to the containing box 31 is stated, the filter screen 7 is set to the inside of the containing box 31, the containing box 31 side wall is embedded with the bearing 64, and the fixation of the end cap 32 and the containing box 31;In order to make the inspection of the filter screen 7 It is more convenient to repair maintenance.
Referring to fig. 1 and fig. 2, the end cap 32 is bolted with the containing box 31, and on the end cap 32 It is threaded with for the sealing-plug 4 to the anti-bits of bolt;End is equipped at bolt on the end cap 32 to be positive octagonal institute State sealing-plug 4, be threadedly coupled between the sealing-plug 4 and the end cap 32, so convenient for the bolt on the end cap 32 into Row water proof and dust proof, and then it is more convenient to dismount the later period of the end cap 32.
Shown in referring to figs. 2 and 3, the drive mechanism 6 further includes anti-bits set 61 and limit plate 63, and the anti-bits set 61 is solid Due to the guide sleeve 62, the inside of the anti-61 insertion containing box 31 of bits set, the anti-bits set 61 and the containing box It is rotatablely connected between 31, the limit plate 63 is fixed on the end of the guide sleeve 62;The guide sleeve 62 is equipped with ring junction The anti-bits set 61 of structure, the inside of the anti-61 insertion containing box 31 of bits set, the anti-bits set 61 and the containing box It is rotatablely connected between 31, and then effectively prevents the inside of the bearing 64 from entering silt, and then rotate the guide sleeve 62 More smooth, the end of the guide sleeve 62 is equipped with the limit plate 63 being detachably connected.
Shown in referring to figs. 2 and 3, the limit plate 63 is trapezium structure away from the section of one end of the guide sleeve 62, And the limit plate 63 is embedded in the hexagonal structure that is positive of one end of the guide sleeve 62;The section of the limit plate 63 is trapezoidal Structure is rotatablely connected between the limit plate 63 and the containing box 31, is improved the anti-dust performance of the bearing 64, is kept away simultaneously Exempt from the guide sleeve 62 to slip, one end that the limit plate 63 is embedded in the guide sleeve 62 is positive hexagonal structure, and then makes The limit plate 63 dismounts more convenient, substantially increases the repair and maintenance efficiency and its quality of the guide sleeve 62.
Referring to fig. 1 and fig. 2, the filter screen 7 engages with the containing box 31, and the section bottom of the filter screen 7 While being wavy shaped configuration;When the filter sheath 1 and wherein certain one side of the filter screen 7 block, the containing box 31 is caused Inside water pressure it is different, make the flow instability near the containing box 31, make the containing box 31 and 62 turns of the guide sleeve It is dynamic, and then underground heat water flow is made to clean the filter sheath 1 and the filter screen 7 automatically, silt is avoided in the filter sheath 1 and institute It states and assembles on filter screen 7, while the section bottom edge of the filter screen 7 is wavy shaped configuration, further increases filter area, And then keep the filter sheath 1 and the anti-blocking performance of the filter screen 7 more preferable, improve the extraction efficiency and its quality of GEOTHERMAL WATER.
Referring to fig. 1 and fig. 2, the fixed structure 5 includes fixing sleeve 51, baffle 52, adjusting rod 53 and connector 54, The fixing sleeve 51 is fixed on the end cap 32, and the connector 54 is extended to through the fixing sleeve 51 from the end cap 32 The inside of the containing box 31, end are slidably connected between the baffle 52 and the fixing sleeve 51 of arcuate structure, L shape knot The adjusting rod 53 of structure extends to the inside of the baffle 52 through the fixing sleeve 51, the adjusting rod 53 with it is described solid Surely it is rotatablely connected between set 51, is threadedly coupled between the adjusting rod 53 and the baffle 52;Turn the adjusting of L-shaped structure Bar 53 makes the baffle 52 and 51 non-contravention of fixing sleeve, and then underground heat water flow conveyance conduit is connected to the connector 54, the adjusting rod 53 is then turned, is threadedly coupled between the adjusting rod 53 and the baffle 52, the baffle 52 is driven to match It closes the fixing sleeve 51 and contradicts delivery pipe, delivery pipe is limited, the containing box 31 and 62 turns of the guide sleeve are avoided When dynamic, the delivery pipe on the connector 54 falls off, and then substantially increases stability, while the end of the baffle 52 is Arcuate structure is more uniformly stressed delivery pipe, and the adjusting rod 53 is L shape, and then improves usage comfort.
Refering to what is shown in Fig. 1, the side wall of the containing box 31 is equipped with position limiting structure 2, the position limiting structure 2 includes limit sleeve 21 With retaining ring 22, the retaining ring 22 is fixed on the containing box 31, is detachably connected between the retaining ring 22 and the limit sleeve 21; Sludge treatment pipe is set between the limit sleeve 21 and the retaining ring 22, is tightened on the limit sleeve 21 and the retaining ring 22 Bolt makes the limit sleeve 21 and the fixed mud pipe of the retaining ring 22, and then effectively prevents mud tube end from slipping, and passes through silt Dredge pump is connected to mud pipe, convenient for regularly clearing up the mud in geothermal well.
The working principle of the anti-oxidation underground water thermal energy extract equipment of anticorrosion provided by the invention is as follows:
The adjusting rod 53 for turning L-shaped structure first makes the baffle 52 and 51 non-contravention of fixing sleeve, and then will Underground heat water flow conveyance conduit is connected to the connector 54, then turns the adjusting rod 53, the adjusting rod 53 and the gear It is threadedly coupled between plate 52, drives the baffle 52 that the fixing sleeve 51 is cooperated to contradict delivery pipe, delivery pipe is limited, is kept away When having exempted from the containing box 31 with the guide sleeve 62 rotation, the delivery pipe on the connector 54 falls off, and then greatly improves Stability, while the end of the baffle 52 is arcuate structure, is more uniformly stressed delivery pipe, the adjusting rod 53 is L shape, and then usage comfort is improved, then sludge treatment pipe is set between the limit sleeve 21 and the retaining ring 22, is twisted The tight limit sleeve 21 and the bolt on the retaining ring 22, make the limit sleeve 21 and the fixed mud pipe of the retaining ring 22, in turn It effectively prevents mud tube end from slipping, mud pipe is connected to by sludge pump, convenient for regularly clearing up the mud in geothermal well, Convenient for clearing up the filter sheath 1;31 bottom end of containing box is equipped with the latticed filter sheath 1, and then effective It prevents the biggish foreign matter of volume from entering the inside of the containing box 31, while cooperating the filtering of the inside of the containing box 31 Net 7 carries out secondary filter to scrap, and then substantially increases the filter efficiency of scrap, improves the anti-blocking performance of extract equipment, Simultaneously when the filter sheath 1 and wherein certain one side of the filter screen 7 block, the inside water pressure of the containing box 31 is caused not Together, make the flow instability near the containing box 31, rotate the containing box 31 with the guide sleeve 62, and then make underground heat Water flow cleans the filter sheath 1 and the filter screen 7 automatically, avoids silt and gathers in the filter sheath 1 and the filter screen 7 Collection, while the section bottom edge of the filter screen 7 is wavy shaped configuration, further increases filter area, and then make the mistake Filter ruffle 1 and the anti-blocking performance of the filter screen 7 are more preferable, improve the extraction efficiency and its quality of GEOTHERMAL WATER, while the guiding It is equipped with the bearing 64 between set 62 and the containing box 31, keeps the rotation of containing box 31 more smooth, improves using spirit Activity dismantles the end cap 32, to institute when the filter screen 7 of the inside to the containing box 31 is cleared up and safeguarded It states filter screen 7 to be overhauled and safeguarded, end is equipped at the bolt on the end cap 32 and is positive the octagonal sealing-plug 4, It is threadedly coupled between the sealing-plug 4 and the end cap 32, and then convenient for carrying out water proof and dust proof to the bolt on the end cap 32, And then it is more convenient to dismount the later period of the end cap 32, the guide sleeve 62 is equipped with the anti-bits set of ring structure 61, the inside of the anti-61 insertion containing box 31 of bits set is rotatablely connected between the anti-bits set 61 and the containing box 31, And then effectively prevent the inside of the bearing 64 from entering silt, and then keep the rotation of guide sleeve 62 more smooth, it is described to lead The limit plate 63 being detachably connected is equipped with to the end of set 62, the section of the limit plate 63 is trapezium structure, the limit It is rotatablely connected between position plate 63 and the containing box 31, improves the anti-dust performance of the bearing 64, while avoiding described lead It is slipped to set 62, one end that the limit plate 63 is embedded in the guide sleeve 62 is positive hexagonal structure, and then makes the limit plate 63 dismounting are more convenient, substantially increase the repair and maintenance efficiency and its quality of the guide sleeve 62.
Compared with the relevant technologies, the anti-oxidation underground water thermal energy extract equipment of anticorrosion provided by the invention has as follows The utility model has the advantages that
The present invention provides a kind of underground water thermal energy extract equipment that anticorrosion is anti-oxidation, and 3 bottom end of container structure is equipped with The latticed filter sheath 1, and then effectively prevent the biggish foreign matter of volume into the inside of the container structure 3, simultaneously Cooperate the filter screen 7 of the inside of the container structure 3 to carry out secondary filter to scrap, and then substantially increases the mistake of scrap Efficiency is filtered, improves the anti-blocking performance of extract equipment, while when the filter sheath 1 and wherein certain one side of the filter screen 7 are stifled When plug, causes the inside water pressure of the container structure 3 different, make the flow instability near the container structure 3, make the receipts Micro-nano structure 3 and the guide sleeve 62 rotate, and then underground heat water flow is made to clean the filter sheath 1 and the filter screen 7 automatically, avoid Silt is assembled in the filter sheath 1 and the filter screen 7, and then makes the anti-blocking property of the filter sheath 1 and the filter screen 7 Can be more preferable, the extraction efficiency and its quality of GEOTHERMAL WATER are improved, while being equipped between the guide sleeve 62 and the container structure 3 The bearing 64 keeps the rotation of container structure 3 more smooth, improves using flexible.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (8)

1. a kind of underground water thermal energy extract equipment that anticorrosion is anti-oxidation characterized by comprising
Container structure (3);
Filter sheath (1) is set to the bottom end of the container structure (3) for the filter sheath (1) of primary filtration scrap;
Filter screen (7) is set to the inside of the container structure (3) for the filter screen (7) of secondary filter scrap;
Fixed structure (5), the fixed structure (5) for fixedly delivery pipeline are carried on the back set on the container structure (3) One end from the filter sheath (1);
Drive mechanism (6), the drive mechanism (6) for clearing up the filter sheath (1) and its filter screen (7) automatically are set Side wall in the container structure (3), the drive mechanism (6) include guide sleeve (62) and bearing (64), the bearing (64) It is embedded in the inside of the container structure (3), and the guide sleeve (62), through the bearing (64), the guide sleeve (62) is logical It crosses between the bearing (64) and the container structure (3) and is rotatablely connected, the guide sleeve (62) is T-shaped structure.
2. the anti-oxidation underground water thermal energy extract equipment of anticorrosion according to claim 1, which is characterized in that the storage Structure (3) includes containing box (31) and end cap (32), and the filter sheath (1) is set to the bottom end of the containing box (31), the mistake Strainer (7) is set to the inside of the containing box (31), and the side wall of the containing box (31) is embedded with the bearing (64), and described End cap (32) is fixed on the containing box (31) top.
3. the anti-oxidation underground water thermal energy extract equipment of anticorrosion according to claim 2, which is characterized in that the end cap (32) it is bolted with the containing box (31), and is threaded on the end cap (32) for the close of the anti-bits of bolt Blocking (4).
4. the anti-oxidation underground water thermal energy extract equipment of anticorrosion according to claim 2, which is characterized in that the transmission Structure (6) further includes anti-bits set (61) and limit plate (63), and the anti-bits set (61) is fixed on the guide sleeve (62), described anti- Bits set (61) is embedded in the inside of the containing box (31), is rotatablely connected between the anti-bits set (61) and the containing box (31), The limit plate (63) is fixed on the end of the guide sleeve (62).
5. the anti-oxidation underground water thermal energy extract equipment of anticorrosion according to claim 4, which is characterized in that the limit Plate (63) is trapezium structure away from the section of the one end of the guide sleeve (62), and the limit plate (63) is embedded in the guide sleeve (62) hexagonal structure that is positive of one end.
6. the anti-oxidation underground water thermal energy extract equipment of anticorrosion according to claim 4, which is characterized in that the filtering Net (7) engages with the containing box (31), and the section bottom edge of the filter screen (7) is wavy shaped configuration.
7. the anti-oxidation underground water thermal energy extract equipment of anticorrosion according to claim 3, which is characterized in that the fixation Structure (5) includes fixing sleeve (51), baffle (52), adjusting rod (53) and connector (54), and the fixing sleeve (51) is fixed on institute It states end cap (32), the connector (54) extends to the containing box through the fixing sleeve (51) from the end cap (32) (31) inside, end are slidably connected between the baffle (52) and the fixing sleeve (51) of arcuate structure, L-shaped structure The adjusting rod (53) extends to the inside of the baffle (52), the adjusting rod (53) and institute through the fixing sleeve (51) It states and is rotatablely connected between fixing sleeve (51), is threadedly coupled between the adjusting rod (53) and the baffle (52).
8. the anti-oxidation underground water thermal energy extract equipment of anticorrosion according to claim 3, which is characterized in that the storage The side wall of case (31) is equipped with position limiting structure (2), and the position limiting structure (2) includes limit sleeve (21) and retaining ring (22), the retaining ring (22) it is fixed on the containing box (31), is detachably connected between the retaining ring (22) and the limit sleeve (21).
CN201811515389.8A 2018-12-12 2018-12-12 Anti-corrosion and anti-oxidation underground water heat energy extraction equipment Active CN109316806B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811515389.8A CN109316806B (en) 2018-12-12 2018-12-12 Anti-corrosion and anti-oxidation underground water heat energy extraction equipment

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Application Number Priority Date Filing Date Title
CN201811515389.8A CN109316806B (en) 2018-12-12 2018-12-12 Anti-corrosion and anti-oxidation underground water heat energy extraction equipment

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CN109316806B CN109316806B (en) 2021-04-13

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206512047U (en) * 2016-11-23 2017-09-22 吴婕妤 A kind of effluent treatment and filtering bucket
CN207195826U (en) * 2017-09-26 2018-04-06 中鑫建设集团有限公司 Concrete delivery pump pipe road fastener
CN207412884U (en) * 2017-09-22 2018-05-29 九江福美泰生物科技有限公司 A kind of self-cleaning heat preserving type filter
RU182165U1 (en) * 2017-09-25 2018-08-06 Федеральное государственное бюджетное образовательное учреждение высшего образования "Петрозаводский государственный университет" DEVICE FOR CLEANING SURFACE DRAINS OF ROADS
CN207845189U (en) * 2018-01-10 2018-09-11 四川众兴汽车零部件有限公司 A kind of sewage filter device
CN108721968A (en) * 2018-08-01 2018-11-02 西安西热节能技术有限公司 A kind of machinery waterpower economic benefits and social benefits backwash secondary filter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206512047U (en) * 2016-11-23 2017-09-22 吴婕妤 A kind of effluent treatment and filtering bucket
CN207412884U (en) * 2017-09-22 2018-05-29 九江福美泰生物科技有限公司 A kind of self-cleaning heat preserving type filter
RU182165U1 (en) * 2017-09-25 2018-08-06 Федеральное государственное бюджетное образовательное учреждение высшего образования "Петрозаводский государственный университет" DEVICE FOR CLEANING SURFACE DRAINS OF ROADS
CN207195826U (en) * 2017-09-26 2018-04-06 中鑫建设集团有限公司 Concrete delivery pump pipe road fastener
CN207845189U (en) * 2018-01-10 2018-09-11 四川众兴汽车零部件有限公司 A kind of sewage filter device
CN108721968A (en) * 2018-08-01 2018-11-02 西安西热节能技术有限公司 A kind of machinery waterpower economic benefits and social benefits backwash secondary filter

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