CN106223907A - Filter for thermal source well - Google Patents
Filter for thermal source well Download PDFInfo
- Publication number
- CN106223907A CN106223907A CN201610773212.2A CN201610773212A CN106223907A CN 106223907 A CN106223907 A CN 106223907A CN 201610773212 A CN201610773212 A CN 201610773212A CN 106223907 A CN106223907 A CN 106223907A
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- China
- Prior art keywords
- filter
- base pipe
- outer tube
- excrescence
- pipe
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- Granted
Links
- 238000001914 filtration Methods 0.000 claims abstract description 44
- 230000002787 reinforcement Effects 0.000 claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000004677 Nylon Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- 238000004140 cleaning Methods 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 239000004576 sand Substances 0.000 description 15
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000233788 Arecaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sewage (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of filter for thermal source well; including: first level filtering device and two-stage filter; first level filtering device includes base pipe, protection block reinforcement and bag net; it is disposed with permeable hole on base pipe tube wall; protection block reinforcement is vertically welded on base pipe outer wall, and bag net is wrapped in outside protection block reinforcement and is fastened with iron wire;Two-stage filter includes inner tube, outer tube, dividing plate and filter element, and outer tube wall is disposed with permeable hole, and outer tube top is provided with suspension ring, and dividing plate will be divided into multiple chamber, chamber upper and lower side opening between inner tube and outer tube, and filter element is filled in the chamber;Outer tube top is provided with annular outer tube excrescence outwardly, and base pipe is provided with on the ring foundation pipe protruded inwardly from excrescence under excrescence and base pipe, and outer tube excrescence is pressed on base pipe on excrescence, and outer pipe bottom is pressed under base pipe on excrescence.The present invention can improve filter effect, reduces the probability of filter opening blocking, and convenient cleaning.
Description
Technical field
The present invention relates to filtration art, be specifically related to a kind of filter for thermal source well.
Background technology
Water source heat pump system is by consuming the low-grade heat that subsoil water etc. is not directly utilized by a small amount of high-grade energy
Amount extracts and becomes the high-grade energy that can directly utilize, and thermal source well provides source of recycled water for whole water source heat pump system,
It is the important component part of whole system, for the version three kinds that the filter of thermal source well is conventional: the first is circular hole, bar
Hole filter, be directly on pipe by the quincunx boring eye staggered or cylindrical void;The second for twining a filter, be with circular hole,
Cylindrical void filter pipe is skeleton to be laid some pad muscle and then forms with zinc-coated wire wound side by side outside it considering pipe outer wall;
The third is net covering filtrator, be various circular holes, cylindrical void filter pipe be that skeleton lays some pad muscle, then outside filter pipe
Parcel copper mesh or palmae bark or nylon sieve base fabric form with steel wire winding again.These three is thicker for the filter of thermal source well
Rough, a part of oarse-grained sand can only be kept off, consider sand weak effect, silt is easily accessible in thermal source well, causes hoistway to silt up, diving
Water containing silt is extracted out and is utilized by pump, easily causes the damage of equipment, and the system that affects is run, and causes heavy losses;If
Use the accurate filter that existing filter opening is less, although filter effect is preferable, but owing to filter opening is little, easily blocks, in well
Cleaning and inconvenient, there is the relation of contradiction in the good worry sand effect of thermal source well tube filter and filter opening between easily blocking.
Summary of the invention
For defect of the prior art, the present invention provides a kind of filter for thermal source well, to improve filter effect,
Reduce the probability of filter opening blocking, and convenient cleaning.
The filter for thermal source well that the present invention provides, including: first level filtering device and two-stage filter, described two
Level defecator is arranged in described first level filtering device;Described first level filtering device includes base pipe, protection block reinforcement and bag net,
Described base pipe is pipe, and described base pipe tube wall has been evenly arranged permeable hole, and described protection block reinforcement is vertically welded on basis
On pipe outer wall, protection block reinforcement is equally spaced, and described bag net is wrapped on protection block reinforcement and base pipe outer wall, the vertical parcel of bag net
Scope more than protection block reinforcement scope, bag net external iron wire be fastened protection block reinforcement and base pipe outer wall on;Described two
Level defecator includes that inner tube, outer tube, dividing plate and filter element, said inner tube and outer tube are pipe, and inner and outer tubes are coaxially disposed,
Being evenly arranged permeable hole on outer tube wall, outer tube top is provided with suspension ring, and described dividing plate one end is fixing with outer wall of inner tube to be connected,
The dividing plate other end is fixing with outer tube wall to be connected, and dividing plate will be divided into multiple chamber between inner tube and outer tube, described filter element is filled
In the cavity, chamber upper and lower side is uncovered, for discharging the water after filter element filtering;Described outer tube top is provided with outwards
Prominent annular outer tube excrescence, described base pipe is provided with on the ring foundation pipe protruded inwardly from and dashes forward under excrescence and base pipe
Going out body, described outer tube is passed down through excrescence inner circle on described base pipe, and outer tube excrescence is pressed on base pipe on excrescence, outward
It is pressed under described base pipe on excrescence bottom pipe, described base pipe is lined with rubber cushion between excrescence and outer tube excrescence, institute
State and under base pipe, between excrescence and outer pipe bottom, be lined with rubber cushion.
The present invention includes first level filtering device and two-stage filter for the filter of thermal source well.Wherein single filter dress
Put and silt is slightly considered, be mainly used in filtering out oarse-grained sand, base pipe tube wall has been evenly arranged permeable hole, bag net
It is wrapped in outside pipe, in subsoil water thermal source to be entered well, first has to the permeable hole two-layer through bag net and base pipe and filter, filter out
Oarse-grained sand.Two-stage filter carries out essence worry to silt, is mainly used in filtering out tiny silt, two-stage filter
Including inner tube, outer tube, dividing plate and filter element, inner tube is coaxially arranged with outside, and dividing plate is the connecting framework of inner tube and outer tube, will simultaneously
Space between inner tube and outer tube is divided into multiple cavity, filling filter element in cavity, by such design, makes whole cascade filtration
Device is an entirety, sound construction;Two-stage filter is mainly by the filter in the permeable hole being located on outer tube wall and chamber
Core two-layer filters, and inner pipe wall is not provided with permeable hole, and chamber upper and lower end is uncovered, after subsoil water enters chamber, along chamber,
Lower flowing, discharges from chamber upper and lower end, by such design, extends subsoil water flow path in filter element, improve
Filter effect.First level filtering device filter opening is relatively big, is not easily blocked, can filter out bulky grain sand, and two-stage filter filter opening is little,
Easily blocking, can filter out tiny silt, use the mode of this classified filtering, can more thoroughly filter out sand, again can
Reduce the probability of plugged filter.Outer tube is passed down through excrescence inner circle on base pipe, and outer tube excrescence is pressed on base pipe prominent
Going out on body, outer pipe bottom is pressed under base pipe on excrescence, makes two-stage filter and first level filtering device combine, and
And between them, all it is lined with rubber cushion, and it being compacted rubber cushion by the deadweight of two-stage filter, good sealing effect, silt will not be from gap
Flow out.Two-stage filter is integral design, can separate with excrescence under excrescence on base pipe and base pipe easily, can lead to
Cross the suspension ring being arranged on outer tube top two-stage filter entirety is hung out thermal source well to be carried out, keep in repair or change, clean, tie up
Again two-stage filter is hung in thermal source well after repairing or changing, be used in combination with first level filtering device, thus solve
Good consider sand effect and filter opening easily block between contradiction.
Preferably, described filter element is rustless steel filter element, and the outer wall of said inner tube and dividing plate are provided with consolidating outwardly
Locking member, described fixture is used for fixing described rustless steel filter element.Rustless steel filter element has good strainability, the ground after filtration
Lower water can meet system and use requirement, and its corrosion resistance, thermostability, resistance to pressure, wearability are good, can meet severe underground environment,
Its core pore filtering accuracy uniform, accurate, the flow of unit are is big, can improve the efficiency of essence worry, improves filter efficiency, its
Can re-use after cleaning, free of replacement, economize on resources, reduce cost;Subsoil water after thick worry enters from the permeable hole of outer tube
After entering chamber, along the upper and lower flowing of chamber, through the uncovered discharge of chamber, filter element is susceptible to displacement, conglomeration, and fixture is to rustless steel
Filter element plays fixation, and during filtration, the flowing of water will not make filter element be subjected to displacement, filter element will not conglomeration, thus ensure that filter element
Normal work, improve filter effect.
Preferably, the cross-sectional area of each described chamber is equal.The cross-sectional area of chamber is equal, and the water yield of turnover chamber is equal
Even, promote the effect and efficiency filtered.
Preferably, the permeable hole of described base pipe is bar hole, and described bar hole upper and lower adjacent two rows mutually stagger.Adopt
With bar hole, can meet and slightly consider requirement, upper and lower adjacent two rows mutually stagger, and make permeable hole be more evenly distributed, and filter and enter basis
The subsoil water of pipe the most evenly, promotes the effect and efficiency filtered.
Preferably, in order to optimize structure, described protection block reinforcement uses antirust round steel, and a diameter of 4mm of described round steel, between round steel
Away from for 20mm.
Preferably, described bag net is nylon yarn bag net.Nylon yarn bag net can filter out oarse-grained sand, reaches coarse filtration
Requirement.
Preferably, described iron wire uses galvanized wire, and it is 10mm that iron wire is wound around spacing.Use galvanized wire, prevent from being wound around
Iron wire rupture because being corroded, cause bag net to come off, simultaneously in order to optimize structure, it is 10mm that iron wire is wound around spacing.
Preferably, the permeable hole of described outer tube is circular port, and left and right two row of described circular port mutually stagger.Use circle
Hole, can meet the requirement of essence worry, and left and right adjacent two row mutually stagger, and make permeable hole be more evenly distributed, enter the subsoil water of chamber
The most evenly, the effect filtered and efficiency are promoted.
Preferably, the discharge area of the permeable hole of described base pipe is more than the discharge area of the permeable hole of described outer tube.Base
The discharge area of the permeable hole of plinth pipe, more than the discharge area of the permeable hole of outer tube, can guarantee that the water providing enough is considered in thick worry for essence
Amount, promotes filter efficiency.
Preferably, described base pipe surfaces externally and internally, the surfaces externally and internally of inner tube, the surfaces externally and internally of outer tube and the surface of permeable hole
All scribble corrosion-resistant coating.The environment of underground the most all compares badly, and corrosivity is relatively strong, in base pipe surfaces externally and internally, inner tube
Outer surface, the surfaces externally and internally of outer tube are coated with one layer of anticorrosion with these parts directly contacted with subsoil water or soil of surface of permeable hole
Erosion layer, can reduce the corrosion of filter component, increase the service life.
Beneficial effects of the present invention: can improve ground silt filter effect, reduces the probability of filter filter opening blocking, and side
Just clean, keep in repair or change, solve consider sand effect and filter opening easily block between contradiction.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described.In all of the figs, similar element
Or part is typically by the reference mark being similar to.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the sectional structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the C-C sectional view of Fig. 1;
Fig. 5 is the structural representation that the base pipe of the embodiment of the present invention is combined with two-stage filter;
Fig. 6 is the structural representation of the two-stage filter of the embodiment of the present invention.
In accompanying drawing, 1 represents base pipe;11 represent excrescence on base pipe;12 represent excrescence under base pipe;2 represent guarantor
Bib muscle;3 represent bag net;4 represent iron wire;5 represent outer tube;51 represent outer tube excrescence;52 represent suspension ring;6 represent inner tube;61
Represent fixture;7 represent chamber;8 represent dividing plate;9 represent permeable hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of technical solution of the present invention is described in detail.Following example are only used for
Technical scheme is clearly described, is therefore only used as example, and the protection model of the present invention can not be limited with this
Enclose.
As shown in figures 1 to 6, the filter for geothermal well that the embodiment of the present invention provides, including first level filtering device and two
Level defecator, two-stage filter is arranged in first level filtering device;First level filtering device includes the base pipe 1 of circle, protects
Bib muscle 2 and bag net 3, base pipe 1 tube wall has been evenly arranged permeable hole 9, and permeable hole 9 is bar hole, upper and lower adjacent two row's phases
Staggering mutually, protection block reinforcement 2 uses the antirust round steel of a diameter of 4mm, is vertically welded on base pipe 1 outer wall, and its spacing is 20mm,
Bag net 3 is nylon yarn bag net 3, is wrapped on protection block reinforcement 2 and base pipe 1 outer wall, and the scope that bag net 3 vertically wraps up is more than protection
The scope of block reinforcement 2, bag net 3 external galvanized wire 4 is fastened in protection block reinforcement 2 and base pipe 1 outer wall with 10mm spacing;Two
Level defecator includes that inner tube 6, outer tube 5, dividing plate 8 and filter element, inner tube 6 and outer tube 5 are pipe, inner tube 6 and outer tube 5 and coaxially set
Putting, outer tube 5 tube wall has been evenly arranged permeable hole 9, permeable hole 9 is circular port, and left and right two row mutually stagger, base pipe saturating
The discharge area in water hole 9 is more than the discharge area of the permeable hole 9 of outer tube, and outer tube 5 top is provided with four suspension ring 52, dividing plate 8 one
Holding be connected fixing with inner tube 6 outer wall, dividing plate 8 other end is fixing with outer tube 5 inwall to be connected, and dividing plate 8 is by between inner tube 6 and outer tube 5
Being divided into the equal chamber of multiple cross-sectional area 7, filter element uses rustless steel filter element, is filled in chamber 7, and chamber 7 upper and lower side is
Uncovered, for discharging the water after filter element filtering, the outer wall of inner tube 6 and dividing plate 8 are provided with fixture 61 outwardly, Gu
Locking member 61 is used for fixing rustless steel filter element, base pipe 1 surfaces externally and internally, the surfaces externally and internally of inner tube 6, the surfaces externally and internally of outer tube 5 and thoroughly
The surface in water hole 9 all scribbles corrosion-resistant coating;Outer tube 5 top is provided with annular outer tube excrescence 51 outwardly, and base pipe 1 sets
Being equipped with on the ring foundation pipe protruded inwardly from excrescence 12 under excrescence 11 and base pipe, outer tube 5 is passed down through on base pipe prominent
Going out body 11 inner circle, outer tube excrescence 51 is pressed on base pipe on excrescence 11, is pressed in excrescence 12 under base pipe bottom outer tube 5
On, base pipe is lined with between excrescence 11 and outer tube excrescence 51 rubber cushion, under base pipe bottom excrescence 12 and outer tube 5 between
It is lined with rubber cushion.
The present invention includes first level filtering device and two-stage filter for the filter of thermal source well.Wherein single filter dress
Put and silt is slightly considered, be mainly used in filtering out oarse-grained sand;It has been evenly arranged bar shaped permeable hole on base pipe 1 tube wall
9, upper and lower adjacent two rows mutually stagger, and make permeable hole 9 be more evenly distributed, and filter and enter the subsoil water of base pipe 1 the most evenly,
Nylon yarn bag net 3, by protection block reinforcement 2 pad, is wrapped in outside pipe, fixes with galvanized wire 4, in subsoil water thermal source to be entered well,
First have to permeable hole 9 two-layer through nylon yarn bag net 3 and base pipe filter, filter out oarse-grained sand.Cascade filtration fills
Putting and silt carries out essence worry, be mainly used in filtering out tiny silt, two-stage filter includes inner tube 6, outer tube 5, dividing plate 8 and
Filter element, inner tube 6 is coaxially arranged with outer tube 5, and dividing plate 8 is the connecting framework of inner tube 6 and outer tube 5, simultaneously by inner tube 6 and outer tube 5 it
Between space be divided into the equal chamber of multiple cross-sectional area 7, filtered by such segmentation, each chamber 7 water yield is uniform, can promote
The effect filtered and efficiency, fill rustless steel filter element in chamber 7, by such design, making whole two-stage filter is one
Individual entirety, sound construction;Meanwhile, rustless steel filter element has good strainability, and the subsoil water after filtration can meet system to be made
With requiring, its corrosion resistance, thermostability, resistance to pressure, wearability are good, can meet severe underground environment, and its core pore is uniformly, accurately
Filtering accuracy, the flow of unit are is big, can improve the efficiency that essence is considered, meet system water demand, permissible after its cleaning
Re-use, free of replacement, economize on resources, reduce cost;Two-stage filter is mainly by permeable hole 9 He being located on outer tube 5 tube wall
Filter element two-layer in chamber 7 filters, and upper and lower adjacent two row of permeable hole 9 mutually stagger, and make permeable hole 9 be more evenly distributed, enter chamber
The subsoil water of room 7 is the most evenly;The discharge area of the permeable hole 9 of base pipe, more than the discharge area of the permeable hole 9 of outer tube, can be protected
The water yield providing enough is considered in the thick worry of card for essence, promotes filter efficiency;Inner tube 6 is not provided with permeable hole 9, chamber 7 upper and lower end opening,
After subsoil water enters chamber 7, flow to chamber 7 two ends, discharge from chamber 7 upper and lower end, by such design, extend ground
Lower water flow path in filter element, improves filter effect, owing to, in filter process, filter element is susceptible to displacement, conglomeration, Gu
Rustless steel filter element is played fixation by locking member 61, and during filtration, the flowing of water will not make filter element be subjected to displacement, filter element will not conglomeration,
Thus ensure that the normal work of filter element, improve filter effect;The environment of underground the most all compares badly, and corrosivity is relatively strong,
These and subsoil water on the surface of base pipe 1 surfaces externally and internally, the surfaces externally and internally of inner tube 6, the surfaces externally and internally of outer tube 5 and permeable hole 9
Or the part that soil directly contacts is coated with one layer of corrosion-resistant coating, the corrosion of filter component can be reduced, increase the service life.
First level filtering device filter opening is relatively big, is not easily blocked, can filter out bulky grain sand, and two-stage filter filter opening is little,
Easily blocking, can filter out tiny silt, use the mode of this classified filtering, can more thoroughly filter out sand, again can
Reduce the probability of plugged filter.
Outer tube 5 is passed down through excrescence 11 inner circle on base pipe, and outer tube excrescence 51 is pressed on base pipe on excrescence 11,
It is pressed under base pipe on excrescence 12 bottom outer tube 5, by this dismountable mode by two-stage filter and single filter
Device combines, and in combination with being all lined with rubber cushion between position, is compacted rubber cushion by the deadweight of two-stage filter, seals
Effective, silt will not flow out from gap;Two-stage filter and first level filtering device detachably separate, and can pass through outer tube 5
Two-stage filter entirety is lifted cleaning, keeps in repair or change by the suspension ring 52 that top is arranged, and will after cleaning, keep in repair or changing again
Two-stage filter hangs in thermal source well, is used in combination with first level filtering device, thus the worry sand effect solved
And filter opening easily block between contradiction.
The present invention for thermal source well filter draw water with recharge in the method for operation different, specific as follows:
When drawing water, need first level filtering device and two-stage filter jointly to act on, secondary protection device is hung in thermal source
In well, outer tube 5 is passed down through excrescence 11 inner circle on base pipe, and outer tube excrescence 51 is pressed on base pipe on excrescence 11, with
First level filtering device fits together, and the subsoil water containing silt flows through nylon yarn bag net 3, and the bar shaped on base pipe 1 is permeable
Hole 9 enters in thermal source well, completes the single filter of silt in the outer filtration through nylon yarn bag net 3 and bar shaped permeable hole 9 of well;Warp
Cross the circular permeable hole on outer tube 5 of the subsoil water after thick worry and enter chamber 7, through the essence worry of rustless steel filter element, from chamber 7,
Lower open mouth is discharged, and completes the cascade filtration of silt, thus is met the underground water source of Production requirement.
Recharge the water source being intended to after utilizing and go back to underground through thermal source well irrigation, in order to reduce the resistance recharged, need two grades
Defecator entirety hangs out outside well, and recharge water bar shaped permeable hole 9 on base pipe 1 flows out, and then passes through nylon yarn bag net 3 and flows
Return to underground, contrary with the flow direction drawn water when filtering, first level filtering device is had the effect of cleaning, prevents from considering hole plug,
Meanwhile, after two-stage filter hangs out, it can be carried out, keep in repair or maintain.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit;To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme, it all should be contained in the middle of the claim of the present invention and the scope of description.
Claims (10)
1. the filter for thermal source well, it is characterised in that including: first level filtering device and two-stage filter, described
Two-stage filter is arranged in described first level filtering device;Described first level filtering device includes base pipe, protection block reinforcement and bag
Net, described base pipe is pipe, and described base pipe tube wall has been evenly arranged permeable hole, and described protection block reinforcement is vertically welded on base
On plinth pipe outer wall, protection block reinforcement is equally spaced, and described bag net is wrapped on protection block reinforcement and base pipe outer wall, the vertical bag of bag net
The scope wrapped up in is more than the scope of protection block reinforcement, and bag net external iron wire is fastened in protection block reinforcement and base pipe outer wall;Described
Two-stage filter includes that inner tube, outer tube, dividing plate and filter element, said inner tube and outer tube are pipe, and inner and outer tubes coaxially set
Putting, outer tube wall has been evenly arranged permeable hole, outer tube top is provided with suspension ring, and described dividing plate one end is fixing with outer wall of inner tube even
Connecing, the dividing plate other end is fixing with outer tube wall to be connected, and dividing plate will be divided into multiple chamber between inner tube and outer tube, described filter element is filled out
Filling in the cavity, chamber upper and lower side is uncovered, for discharging the water after filter element filtering;Described outer tube top arranges oriented
Outer prominent annular outer tube excrescence, described base pipe is provided with on the ring foundation pipe protruded inwardly under excrescence and base pipe
Excrescence, described outer tube is passed down through excrescence inner circle on described base pipe, and outer tube excrescence is pressed on base pipe on excrescence,
Outer pipe bottom is pressed under described base pipe on excrescence, and described base pipe is lined with rubber cushion between excrescence and outer tube excrescence,
Rubber cushion it is lined with between excrescence and outer pipe bottom under described base pipe.
Filter for thermal source well the most according to claim 1, it is characterised in that: described filter element is rustless steel filter element,
Being provided with fixture outwardly on the outer wall of said inner tube and dividing plate, described fixture is used for fixing the filter of described rustless steel
Core.
Filter for thermal source well the most according to claim 2, it is characterised in that: the cross-sectional area of each described chamber
Equal.
Filter for thermal source well the most according to claim 1, it is characterised in that: the permeable hole of described base pipe is bar
Shape hole, described bar hole upper and lower adjacent two rows mutually stagger.
Filter for thermal source well the most according to claim 4, it is characterised in that: described protection block reinforcement uses antirust circle
Steel, a diameter of 4mm of described round steel, round steel spacing is 20mm.
Filter for thermal source well the most according to claim 4, it is characterised in that: described bag net is nylon yarn bag net.
Filter for thermal source well the most according to claim 6, it is characterised in that: described iron wire uses galvanized wire,
It is 10mm that iron wire is wound around spacing.
Filter for thermal source well the most according to claim 1, it is characterised in that: the permeable hole of described outer tube is circular
Hole, left and right two row of described circular port mutually stagger.
Filter for thermal source well the most according to claim 1, it is characterised in that: the mistake of the permeable hole of described base pipe
Water area is more than the discharge area of the permeable hole of described outer tube.
10. according to the filter for thermal source well described in any one of claim 1-9, it is characterised in that:
The surface of described base pipe surfaces externally and internally, the surfaces externally and internally of inner tube, the surfaces externally and internally of outer tube and permeable hole all scribbles anticorrosion
Erosion layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610773212.2A CN106223907B (en) | 2016-08-30 | 2016-08-30 | Filter for heat source well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610773212.2A CN106223907B (en) | 2016-08-30 | 2016-08-30 | Filter for heat source well |
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CN106223907A true CN106223907A (en) | 2016-12-14 |
CN106223907B CN106223907B (en) | 2018-10-12 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113248038A (en) * | 2021-07-14 | 2021-08-13 | 诸城市人民医院 | Medical wastewater impurity removal treatment device |
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JPS60244315A (en) * | 1984-05-17 | 1985-12-04 | Nagaoka Kinmo Kk | Cylindrical screen and preparation thereof |
AU597018B2 (en) * | 1985-12-27 | 1990-05-24 | Nagaoka Kanaami Kabushiki Kaisha | Double cylinder screen |
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CN203201540U (en) * | 2013-03-05 | 2013-09-18 | 中国石油化工股份有限公司 | Abrasion-resistant and pasting-resistant small-external-diameter inner wire winding screen pipe externally sleeved with protective ribs and used for sand prevention of oil well |
CN205977186U (en) * | 2016-08-30 | 2017-02-22 | 湖南中大经纬地热开发科技有限公司 | A filter for heat source well |
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JPS60244315A (en) * | 1984-05-17 | 1985-12-04 | Nagaoka Kinmo Kk | Cylindrical screen and preparation thereof |
AU597018B2 (en) * | 1985-12-27 | 1990-05-24 | Nagaoka Kanaami Kabushiki Kaisha | Double cylinder screen |
CN2304696Y (en) * | 1997-08-21 | 1999-01-20 | 辽河石油勘探局供水公司 | Cage-shape sandproof screening pipe for water well |
CN2380684Y (en) * | 1999-07-01 | 2000-05-31 | 浙江温州矾矿机械厂 | Separating sieve tube |
CN202325435U (en) * | 2011-08-23 | 2012-07-11 | 东营市东营区和光科技有限责任公司 | Composite sand prevention screen with two wire-wrapping layers, packing sand and a stainless steel filter net layer |
CN203201540U (en) * | 2013-03-05 | 2013-09-18 | 中国石油化工股份有限公司 | Abrasion-resistant and pasting-resistant small-external-diameter inner wire winding screen pipe externally sleeved with protective ribs and used for sand prevention of oil well |
CN205977186U (en) * | 2016-08-30 | 2017-02-22 | 湖南中大经纬地热开发科技有限公司 | A filter for heat source well |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113248038A (en) * | 2021-07-14 | 2021-08-13 | 诸城市人民医院 | Medical wastewater impurity removal treatment device |
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CN106223907B (en) | 2018-10-12 |
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