CN207230719U - The very bi-directional filtered geothermal utilization heating system of recharge - Google Patents

The very bi-directional filtered geothermal utilization heating system of recharge Download PDF

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Publication number
CN207230719U
CN207230719U CN201721190484.6U CN201721190484U CN207230719U CN 207230719 U CN207230719 U CN 207230719U CN 201721190484 U CN201721190484 U CN 201721190484U CN 207230719 U CN207230719 U CN 207230719U
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China
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well
outlet
recharge
casing
water
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CN201721190484.6U
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Inventor
李胜会
肖振勇
薛占晓
张华荣
孙建刚
马庆军
林威权
李仕金
魏高飞
李龙强
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Hebei Huawei Amperex Technology Ltd
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Hebei Huawei Amperex Technology Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

Abstract

It the utility model is related to the bi-directional filtered geothermal utilization heating system of very recharge, it includes the first well and the second well, the first wall casing being arranged in the first well, the first pump drainage water installations being arranged in the first borehole wall pipe orifice, the second wall casing being arranged in the second well, it is arranged on the second pump drainage water installations in the second borehole wall pipe orifice and identical with the first pump drainage water installations structure, first desander, outlet conduit, first two-bit triplet solenoid valve, first outlet tube road, first inlet pipe, second two-bit triplet solenoid valve, second inlet pipe, second desander, second outlet tube road, and for the heat exchanger for thermal output;It is the utility model is designed reasonably, compact-sized and easy to use.

Description

The very bi-directional filtered geothermal utilization heating system of recharge
Technical field
It the utility model is related to the bi-directional filtered geothermal utilization heating system of very recharge.
Background technology
At present, geothermal energy resources have included " 13 " ENERGY PLANNING as a kind of regenerative resource.How underground heat is made good use of Resource is one of ideal chose of current energy-saving and emission-reduction.
GEOTHERMAL WATER exploits to ground out of stratum and carries out heat exchange utilization, and the operating mode such as the temperature of GEOTHERMAL WATER, pressure changes, And change with the underground heat water component after air contact, during recharge the stifled of different origins is formd in sandstone heat storage Plug, causes geothermal tail water recharge flow in sandstone heat storage to reduce, recharge efficiency reduces, or even cannot carry out recharge.Existing time Filling device is composed in series by filtration apparatus, exhaust apparatus and pressurization recharging pump substantially.As a whole, used recharge at present Device mainly has the disadvantage that:Since suspended particle size fraction ranges are wide contained by geothermal tail water, such facility be easy to cause filtering Live load is excessive in the process of running for device;On the other hand, although by filtering, after long-time recharge, inverted well can also occur Different degrees of blocking causes the reduction of recharge efficiency.Backflow device fails integrally to consider to design to recharge whole system by exploitation, Cause pipeline hydraulic regime to have to interfere with each other.It is high, complicated component that salinity is met during quartzy silo filtration apparatus use GEOTHERMAL WATER be easy to cause agllutination, can reduce filter effect, and not easy cleaning.Nitrogen protection device and quartzy silo occupation of land are excessive, It is not easy large-scale promotion use..
Utility model content
Technical problem to be solved in the utility model be generally speaking to provide a kind of very recharge bi-directional filteredly Heat utilization heating system;The technical problem and acquirement beneficial effect solved in detail is in aftermentioned content and with reference to specific embodiment party Content specifically describes in formula.
To solve the above problems, technical solution adopted in the utility model is:
A kind of bi-directional filtered geothermal utilization heating system of very recharge, including the first well and the second well, setting The first wall casing in the first well, the first pump drainage water installations being arranged in the first borehole wall pipe orifice, be arranged on the second water The second wall casing in well and the second pump drainage water installations being arranged in the second borehole wall pipe orifice;First well and the second well Pass through two-way spilling water return duct intercommunication;Two-way spilling water return duct is respectively lower than the upper port of the first well and the second well.
A kind of bi-directional filtered geothermal utilization heating system of very recharge, including the first well and the second well, setting The first wall casing in the first well, the first pump drainage water installations being arranged in the first borehole wall pipe orifice, be arranged on the second water The second wall casing, be arranged in the second borehole wall pipe orifice and second pump drainage identical with the first pump drainage water installations structure in well Water installations, the first desander, outlet conduit, the first two-bit triplet solenoid valve, the first outlet tube road, the first inlet pipe, second Two-bit triplet solenoid valve, the second inlet pipe, the second desander, the second outlet tube road and the heat exchanger for supplying thermal output;
The pipeline of first pump drainage water installations is connected with the inlet port a of the first two-bit triplet solenoid valve by outlet conduit, the One outlet c of one or two position-3-way solenoid valve passes through the first outlet tube road and one outlet of heat exchanger, the first two-bit triplet electromagnetism One outlet b of valve passes through the first inlet pipe and one inlet communication of heat exchanger;First desander is connected in the first inlet pipe;
The pipeline of second pump drainage water installations is connected with the inlet port e of the second two-bit triplet solenoid valve, the second two-bit triplet electricity One outlet f of magnet valve passes through the second outlet tube road and another outlet of heat exchanger, an outlet g of the second two-bit triplet solenoid valve Pass through the second inlet pipe and another inlet communication of heat exchanger;Second desander is connected in the second inlet pipe;
Wherein, including two sets of water recycle schemes:
Scheme one, the underground heat that the first pump drainage water installations are extracted from the first well pass sequentially through outlet conduit, the first two three After the inlet port a of three-way electromagnetic valve, the one of the first two-bit triplet solenoid valve export b and the first desander, heat exchanger is finally entered In, the tail water after heat exchanger circulation passes sequentially through the second outlet tube road, outlet f, Yi Ji for the second two-bit triplet solenoid valve After the inlet port e of two two-bit triplet solenoid valves, in the second well being located at back to the second pump drainage water installations;
Scheme two, the underground heat that the second pump drainage water installations are extracted from the second well pass sequentially through the second two-bit triplet solenoid valve Inlet port e, an outlet g of the second two-bit triplet solenoid valve, after the second desander and the second inlet pipe, finally enter In heat exchanger, heat exchanger circulation after tail water pass sequentially through the first outlet tube road, the first two-bit triplet solenoid valve one outlet c, After the inlet port a and outlet conduit of first two-bit triplet solenoid valve, the first water for being located at back to the first pump drainage water installations In well.
The first electronic flowmeter/water meter is provided with the outlet conduit of the first pump drainage water installations, is filled in the second pump drainage water The second electronic flowmeter/water meter is provided with the outlet conduit put;
First electronic flowmeter/water meter and the second electronic flowmeter/water meter are electrically connected be useful for compared with the first electronics The processor of flowmeter/water meter and the second electronic flowmeter/watermeter flowing rate difference, processor are connected with alarm or processor and city The monitoring system communication connection that political affairs are supplied water.
Further as above-mentioned technical proposal is improved:
First well and the second well pass through two-way spilling water return duct liquid intercommunication;Two-way spilling water return duct is respectively lower than The upper port of one well and the second well.
First pump drainage water installations include positioned at the first borehole wall bottom of the tube immersible pump, connected with immersible pump inlet channel, Geothermal reinjection well three way type dual check pumping and filling device and filter bag set;
Geothermal reinjection well three way type dual check pumping and filling device upper port is connected with the outlet conduit lower end being vertically arranged, ground Hot inverted well three way type dual check pumping and filling device lower port is connected with inlet channel, and filter bag set is sleeved on geothermal reinjection well threeway On formula dual check pumping and filling device;The bottom binding end of filter bag set is bundled on outlet conduit lateral wall;
The by-pass port of geothermal reinjection well three way type dual check pumping and filling device is corresponding with filter bag set madial wall, geothermal reinjection well The water of the by-pass port discharge of three way type dual check pumping and filling device is covered by filter bag to be flowed into the first wall casing.
The upper end of filter bag set is installed on the well head of the first wall casing along outer end, the edge on the well head of the first wall casing Outside is provided with wellhead flange, and well head end socket is sealedly connected with wellhead flange upper end, is provided with the top of well head end socket automatic Air bleeding valve.
Filter bag cover and geothermal reinjection well three way type dual check pumping and filling device between, and/or filter bag set with inlet channel it Between be provided with filter bag locking ring.
Between the first wall casing and the first pump drainage water installations and/or between the second wall casing and the second pump drainage water installations It is provided with the sleeve type spiral-poker for conveying sludge from bottom to top and structure is identical.
Sleeve type spiral-poker is outer spiral fin structure, and the extension positioned at the upper end of outer spiral fin leans out tail end along rotation The tangential direction of outer spiral fin when turning is set, the key connection rack gear on the lateral wall of sleeve type spiral-poker upper end, tooth Circle is engaged with by controlling motor-driven drive gear;
Sleeve type spiral-poker lower part is provided with lower outlet,
Be provided with the first wall casing annular into dirty annular collection trough, it is poly- being connected with into dirty annular collection trough lower end Collect mud chamber, aggregation mud chamber lower part is provided with sewage draining exit;
Aggregation mud chamber is provided with the blowdown piston for open or close sewage draining exit;
Dirty annular collection trough is being provided with weight sensor/photoelectric sensor, is being provided with the first borehole wall bottom of the tube mixed Turbidity transducer;
Weight sensor/photoelectric sensor is electrically connected with processor with turbidity sensor, and processor is electrically connected with control Device, controller are electrically connected with control motor, and controller is electrically connected with the pumping plant or motor of blowdown piston.
Geothermal reinjection well three way type dual check pumping and filling device includes being vertically arranged between inlet channel and outlet conduit Outer barrel, the check valve for unidirectional cutoff inlet channel, the poppet shaft being vertically arranged in check valve, be arranged on poppet shaft The spool axle stretch end at end, the axis for being arranged on spool axle stretch end upper end stretch valve block, are arranged on axis and stretch the axis of valve block upper end and stretch valve pad, set The recharge branch pipe for putting in outer barrel and stretching recharge pipe above valve pad positioned at axis, being arranged radially on outer barrel;
It is in sealing contact or separate, upper end outlet and the recharge branch pipe of recharge pipe that axis stretches valve pad and the lower end import of recharge pipe Inlet communication, the outlet of recharge branch pipe are corresponding with the madial wall that filter bag covers.
The present apparatus can guarantee that complete recharge avoids well water from overflowing;0.1-100 meters of the filter bag length of filter bag set;
The present apparatus can take out filling well and be used alternatingly, easy to operate;
The present apparatus effectively prevents from blocking inverted well to set and filter out the particulate matter in geothermal tail water in the filter bag in well;
The present apparatus can be by setting pumping and filling device to realize that recharge of drawing water shares a well water pipeline on well water pipeline;Letter Change structure, it is easy for construction.
The present apparatus can be unable to the water that recharge is gone back in the case of inverted well returns discharge reduction and return to wet well, prevent well Water is excessive;
The present apparatus is totally-enclosed recharge system, can prevent extraneous air from entering, prevent well water aoxidize and caused by chemistry it is stifled Plug;
The present apparatus is filtered out most particulate matters, is greatly reduced back using special filter bag simulation wall casing filter layer Fill the blocking of well;
Present apparatus effect when taking out filling well and being used alternatingly is identical;
For the present apparatus because being equipped with large-scale special filter bag, filtration system ability is powerful can be from Hui Yang;
The present apparatus reduces backwater flow velocity, extends the residence time of recharge water in the wellbore, favorably by sock filtration Overflowed in the rupture of wherein bubble, reduce the generation that recharge gas well gas blocks up phenomenon;
The present apparatus provides the tail water recharge that can be achieved very, meets the principle of " being adopted surely to fill ".A piece well water Guan An Dress, which can be achieved to take out, fills dual-purpose, and technique is easier, sets the special filter bag of large area in pit shaft, and purification recharge water quality prevents stifled well, Two wells are used interchangeably and from Hui Yang, easy to operate, greatly prolong the service life cycle taken out and fill well, and thoroughly prevented ground The excessive waste of lower water.
The filter bag length of the present apparatus between 0.5-100 meters, filtering accuracy between 0.1um-1mm (specific precision according to Water quality detection is reported), filter bag is sleeved on well water pipeline, along being crimped on wellhead flange on filter bag, special pumping and filling device series connection On well water pipeline.
The beneficial effects of the utility model not limited to this describes, in order to preferably readily appreciate, in embodiment portion Divide and carried out more detailed description.
Brief description of the drawings
Fig. 1 is the structure diagram that the utility model integrally uses.
Fig. 2 is the structure diagram of the utility model filtration apparatus.
Fig. 3 is the structure diagram of the utility model geothermal reinjection well three way type dual check pumping and filling device.
Fig. 4 is the structure diagram of the utility model sleeve type spiral-poker.
Wherein:1st, the first well;2nd, the second well;3rd, immersible pump;4th, the second pump drainage water installations;5th, the first wall casing;6、 Second wall casing;7th, filter bag set;8th, geothermal reinjection well three way type dual check pumping and filling device;9th, filter bag locking ring;10th, bottom is tied up Fixed end;11st, the first pump drainage water installations;12nd, wellhead flange;13rd, well head end socket;14th, edge on well head;15th, automatic exhaust steam valve;16、 First desander;17th, heat exchanger;18th, two-way spilling water return duct;19th, inlet channel;20th, outlet conduit;21st, sleeve type is spiral Screw feeder;280th, check valve;81st, spool axle stretch end;82nd, axis stretches valve block;83rd, axis stretches valve pad;84th, outer barrel;86th, recharge pipe;87th, return Fill branch pipe;210th, extension leans out tail end;211st, gear ring;212nd, drive gear;213rd, turbidity sensor;214th, lower outlet; 215th, into dirty annular collection trough;216th, weight sensor/photoelectric sensor;217th, mud chamber is assembled;218th, blowdown piston;219、 Sewage draining exit;23rd, the first two-bit triplet solenoid valve;24th, the first outlet tube road;25th, the first inlet pipe;26th, the second two-bit triplet Solenoid valve;27th, the second inlet pipe;28th, the second desander;29th, the second outlet tube road;30th, the first electronic flowmeter/water meter; 31st, the second electronic flowmeter/water meter.
Embodiment
As shown in Figs 1-4, the bi-directional filtered geothermal utilization heating system of the very recharge of the present embodiment, including the first water 1 and second well 2 of well, the first wall casing 5 being arranged in the first well 1, the first pumping being arranged in 5 endoporus of the first wall casing Drainage arrangement 11, the second wall casing 6 being arranged in the second well 2, be arranged in 6 endoporus of the second wall casing and with first take out The second identical pump drainage water installations 4 of 11 structure of drainage arrangement, the first desander 16, outlet conduit 20, the first two-bit triplet electromagnetism Valve 23, the first outlet tube road 24, the first inlet pipe 25, the second two-bit triplet solenoid valve 26, the second inlet pipe 27, second remove Sand device 28, the second outlet tube road 29 and the heat exchanger 17 for supplying thermal output;
The pipeline of first pump drainage water installations 11 and the inlet port a of the first two-bit triplet solenoid valve 23 are connected by outlet conduit 20 Logical, an outlet c of the first two-bit triplet solenoid valve 23 is by the first outlet tube road 24 and 17 1 outlet of heat exchanger, first liang One outlet b of position-3-way solenoid valve 23 passes through the first inlet pipe 25 and 17 1 inlet communication of heat exchanger;First desander 16 connects It is connected in the first inlet pipe 25;
The pipeline of second pump drainage water installations 4 is connected with the inlet port e of the second two-bit triplet solenoid valve 26, the second two-bit triplet One outlet f of solenoid valve 26 passes through the second outlet tube road 29 and 17 another outlet of heat exchanger, the second two-bit triplet solenoid valve A 26 outlet g passes through the second inlet pipe 27 and 17 another inlet communication of heat exchanger;Second desander 28 be connected to second into On liquid pipeline 27;
Wherein, including two sets of water recycle schemes:
Scheme one, the underground heat that the first pump drainage water installations 11 are extracted from the first well 1 pass sequentially through 20, first liang of outlet conduit After the inlet port a of position-3-way solenoid valve 23, the one of the first two-bit triplet solenoid valve 23 export b and the first desander 16, finally Into in heat exchanger 17, the tail water after heat exchanger 17 circulates passes sequentially through the second outlet tube road 29, the second two-bit triplet solenoid valve After a 26 outlet f and inlet port e of the second two-bit triplet solenoid valve 26, be located at back to the second pump drainage water installations 4 the In two wells 2;
Scheme two, the underground heat that the second pump drainage water installations 4 are extracted from the second well 2 pass sequentially through the second two-bit triplet electromagnetism An outlet g, the second desander 28 and the second inlet pipe 27 of the inlet port e of valve 26, the second two-bit triplet solenoid valve 26 Afterwards, finally enter in heat exchanger 17, the tail water after heat exchanger 17 circulates passes sequentially through the first outlet tube road 24, the first two-bit triplet After one outlet c of solenoid valve 23, the inlet port a and outlet conduit 20 of the first two-bit triplet solenoid valve 23, back to first In the first well 1 that pump drainage water installations 11 are located at.
First well 1 and the second well 2 pass through two-way 18 liquid intercommunication of spilling water return duct;Two-way spilling water return duct 18 is distinguished Less than the upper port of the first well 1 and the second well 2.
First pump drainage water installations 11 include the immersible pump 3 positioned at 5 bottom of the first wall casing, the water inlet connected with immersible pump 3 Pipeline 19, geothermal reinjection well three way type dual check pumping and filling device 8 and filter bag set 7;
8 upper port of geothermal reinjection well three way type dual check pumping and filling device and 20 lower end of outlet conduit being vertically arranged connect Logical, 8 lower port of geothermal reinjection well three way type dual check pumping and filling device is connected with inlet channel 19, and filter bag set 7 is sleeved on underground heat On inverted well three way type dual check pumping and filling device 8;The bottom binding end 10 of filter bag set 7 is bundled in 20 lateral wall of outlet conduit On;
The by-pass port of geothermal reinjection well three way type dual check pumping and filling device 8 is corresponding with filter bag 7 madial walls of set, geothermal reinjection The water of the by-pass port discharge of well three way type dual check pumping and filling device 8 is flowed into the first wall casing 5 by filter bag set 7.
The upper end of filter bag set 7 is installed on the well head of the first wall casing 5 along 14 outer ends, in the well head of the first wall casing 5 On along 14 outside be provided with wellhead flange 12, well head end socket 13 is sealedly connected with 12 upper end of wellhead flange, in well head end socket 13 Top is provided with automatic exhaust steam valve 15.
Between filter bag set 7 and geothermal reinjection well three way type dual check pumping and filling device 8, and/or filter bag covers 7 and inlet channel Filter bag locking ring 9 is provided between 19.
The first electronic flowmeter/water meter 30 is provided with the outlet conduit 20 of the first pump drainage water installations 11, is taken out second The second electronic flowmeter/water meter 31 is provided with the outlet conduit of drainage arrangement 4;
First electronic flowmeter/water meter 30 and the second electronic flowmeter/water meter 31 are electrically connected be useful for compared with first The processor of 31 difference in flow of electronic flowmeter/water meter 30 and the second electronic flowmeter/water meter, processor are connected with alarm or place The monitoring system for managing device and municipal water supply communicates to connect.
By flow monitoring, so as to ensure that water inlet quantifies to detect with draining, when the first electronic flowmeter/water meter 30 and second 31 digital difference of electronic flowmeter/water meter is more than after setting value, and the alarm of processor notice or notice monitoring system, realize long-range nothing People's electronic monitoring, so as to facilitate government preferably to monitor whether water wastes loss, so as to protect groundwater resources.
Between the first wall casing 5 and the first pump drainage water installations 11 and/or in the second wall casing 6 and the second pump drainage water installations The sleeve type spiral-poker 21 for conveying sludge from bottom to top and structure is identical is provided between 4.
Sleeve type spiral-poker 21 is outer spiral fin structure, and the extension positioned at the upper end of outer spiral fin leans out tail end 210 are set along the tangential direction of outer spiral fin when rotation, the key connection on 21 upper end lateral wall of sleeve type spiral-poker Rack gear 211, gear ring 211 are engaged with by controlling motor-driven drive gear 212;
21 lower part of sleeve type spiral-poker is provided with lower outlet 214,
Be provided with the first wall casing 5 annular into dirty annular collection trough 215, into dirty 215 lower end of annular collection trough Aggregation mud chamber 217 is connected with, 217 lower part of aggregation mud chamber is provided with sewage draining exit 219;
Aggregation mud chamber 217 is provided with the blowdown piston 218 for open or close sewage draining exit 219;
Dirty annular collection trough 215 is being provided with weight sensor/photoelectric sensor 216, is being set in 5 bottom of the first wall casing It is equipped with turbidity sensor 213;
Weight sensor/photoelectric sensor 216 is electrically connected with processor with turbidity sensor 213, and processor is electrically connected There is controller, controller is electrically connected with control motor, and controller is electrically connected with the pumping plant or motor of blowdown piston 218.
When tail water recycles, muddiness occurs in well, by timing or when collecting tail water, or turbidity passes Sensor 213 senses the turbidity in well, starts motor driving screw feeder rotation, increase granular absorption power is preferably provided with fin Reticulate pattern etc., the extractions such as sludge, bulky grain, debris are come up so as to fulfill timing or according to the instruction of sensor, realize coarse filtration, Immersible pump and valve group are protected, is set by external spiral, rational technology, sets extension to lean out tail end 210 by tangent line, extension is leant out The outermost end of tail end 210 is located at into above dirty annular collection trough (215), so that the sludge that conveying comes up still falls within groove It is interior, and be pooled to by gradient or the gradient in aggregation mud chamber 217 and realize automatic collection, weight sensor/photoelectric sensor sense It is mobile outside driving piston after should arriving, so that sludge, particle drop automatically.So as to reduce the load of system filtering, protection Element, realizes coarse filtration.
Geothermal reinjection well three way type dual check pumping and filling device 8 includes being vertically arranged in inlet channel 19 and outlet conduit 20 Between outer barrel 84, the check valve 80 for unidirectional cutoff inlet channel 19, the poppet shaft being vertically arranged in check valve 80, set Spool axle stretch end 81, the axis that is arranged on 81 upper end of spool axle stretch end in poppet shaft upper end is put to stretch valve block 82, be arranged on axis and stretch valve The axis of 82 upper end of piece is stretched valve pad 83, is arranged in outer barrel 84 and stretches the recharge pipe 86 of the top of valve pad 83 positioned at axis, is disposed radially Recharge branch pipe 87 on outer barrel 84;
It is in sealing contact or separate, the upper end outlet of recharge pipe 86 and recharge that axis stretches valve pad 83 and the lower end import of recharge pipe 86 The inlet communication of branch pipe 87, the outlet of recharge branch pipe 87 are corresponding with the madial wall of filter bag set 7.
The present apparatus, which has, realizes tail water zero-emission, so as to save the energy, protects water source, is designed by two circuits, is realized It is intermittent to draw water and draining, so as to avoid water source dirty, designed by linking, simplify pipeline, reduce pipeline thermal losses, improved Heat utilization efficiency.
The present apparatus can guarantee that complete recharge avoids well water from overflowing;0.1-100 meters of the filter bag length of filter bag set;
The present apparatus can take out filling well and be used alternatingly, easy to operate;
The present apparatus effectively prevents from blocking inverted well to set and filter out the particulate matter in geothermal tail water in the filter bag in well;
The present apparatus can be by setting pumping and filling device to realize that recharge of drawing water shares a well water pipeline on well water pipeline;Letter Change structure, it is easy for construction.
The present apparatus can be unable to the water that recharge is gone back in the case of inverted well returns discharge reduction and return to wet well, prevent well Water is excessive;
The present apparatus is totally-enclosed recharge system, can prevent extraneous air from entering, prevent well water aoxidize and caused by chemistry it is stifled Plug;
The present apparatus is filtered out most particulate matters, is greatly reduced back using special filter bag simulation wall casing filter layer Fill the blocking of well;
Present apparatus effect when taking out filling well and being used alternatingly is identical;
For the present apparatus because being equipped with large-scale special filter bag, filtration system ability is powerful can be from Hui Yang;
The present apparatus reduces backwater flow velocity, extends the residence time of recharge water in the wellbore, favorably by sock filtration Overflowed in the rupture of wherein bubble, reduce the generation that recharge gas well gas blocks up phenomenon;
The present apparatus provides the tail water recharge that can be achieved very, meets the principle of " being adopted surely to fill ".A piece well water Guan An Dress, which can be achieved to take out, fills dual-purpose, and technique is easier, sets the special filter bag of large area in pit shaft, and purification recharge water quality prevents stifled well, Two wells are used interchangeably and from Hui Yang, easy to operate, greatly prolong the service life cycle taken out and fill well, and thoroughly prevented ground The excessive waste of lower water.
The filter bag length of the present apparatus between 0.5-100 meters, filtering accuracy between 0.1um-1mm (specific precision according to Water quality detection is reported), filter bag is sleeved on well water pipeline, along being crimped on wellhead flange on filter bag, special pumping and filling device series connection On well water pipeline.
The present apparatus makes full use of space in well to set large area filter bag, can filter out the big portion to blocking well drainage layer Divide granule foreign, play the role of pre-filtering processing to recharge tail water, reduce the blocking of recharge reservoir bed, and due to recharge water Flow velocity reduce and be more conducive to make gas overflowing in water, prevent gas from blocking up.Well internal volume is taken full advantage of, reduces equipment investment, And extend the length and filter area of filter bag as needed, substantially prolongs the clean and maintenance cycle of filter bag, reduce throwing Cost, use cost and maintenance maintenance workload are provided, and makes the filter effect of recharge water quality splendid, extends the Life Cycle of inverted well Phase(Filter bag uses PPS or tetrafluoro material).
The present apparatus is vertically-mounted in well, is connected in series on well water pipe, and check valve draws water current from bottom to top in well water pump When turn on, while its valve plate close recharge water pipe, when water (flow) direction from top to bottom when closed check valve, while recharge pipe turn on, Water flows through return duct and reaches four road branch pipes, is flowed out obliquely upward by opening of the branch pipe on cylinder shell.Reduced by shunting Recharge tail water flow velocity in the wellbore and change direction beneficial to the bubble made in tail water, overflow upwards, prevent gas from blocking up.
Present apparatus technique is simple, non-maintaining, and cheap long lifespan reduces, it can be achieved that drinking-water pipe and the unification of recharge pipe Construction cost is simultaneously easy for installation, and since water column can go downstream more uniformly along the borehole wall, contributes to the precipitation of underwater bubble, Reduce the generation that gas blocks up.
The utility model is designed reasonably, of low cost, durable, safe and reliable, easy to operate, time saving and energy saving, saving It is fund, compact-sized and easy to use.
The utility model, which fully describes, to be disclosed in order to more clear, and is just no longer enumerated for the prior art.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: It can still modify the technical solution described in previous embodiment, or which part technical characteristic is equal Replace;It is obvious that multiple technical solutions of the utility model, which are combined, as those skilled in the art.And these Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical solution Enclose.

Claims (10)

  1. A kind of 1. bi-directional filtered geothermal utilization heating system of very recharge, it is characterised in that:Including the first well (1) and the Two wells (2), the first wall casing (5) being arranged in the first well (1), be arranged in the first wall casing (5) endoporus first Pump drainage water installations (11), the second wall casing (6) being arranged in the second well (2) and it is arranged on the second wall casing (6) endoporus In the second pump drainage water installations (4);First well (1) passes through two-way spilling water return duct (18) intercommunication with the second well (2);It is two-way Spilling water return duct (18) is respectively lower than the upper port of the first well (1) and the second well (2).
  2. A kind of 2. bi-directional filtered geothermal utilization heating system of very recharge, it is characterised in that:Including the first well (1) and the Two wells (2), the first wall casing (5) being arranged in the first well (1), be arranged in the first wall casing (5) endoporus first Pump drainage water installations (11), the second wall casing (6) being arranged in the second well (2), be arranged in the second wall casing (6) endoporus And second pump drainage water installations (4) identical with first pump drainage water installations (11) structure, the first desander (16), outlet conduit (20), the first two-bit triplet solenoid valve (23), the first outlet tube road (24), the first inlet pipe (25), the second two-bit triplet electricity Magnet valve (26), the second inlet pipe (27), the second desander (28), the second outlet tube road (29) and for for thermal output Heat exchanger (17);
    The inlet port a of the pipeline of first pump drainage water installations (11) and the first two-bit triplet solenoid valve (23) passes through outlet conduit (20) Connection, an outlet c of the first two-bit triplet solenoid valve (23) are connected by the first outlet tube road (24) and the outlet of heat exchanger (17) one Logical, an outlet b of the first two-bit triplet solenoid valve (23) passes through the first inlet pipe (25) and (17) one inlet communication of heat exchanger; First desander (16) is connected in the first inlet pipe (25);
    The pipeline of second pump drainage water installations (4) is connected with the inlet port e of the second two-bit triplet solenoid valve (26), the second two-bit triplet One outlet f of solenoid valve (26) passes through the second outlet tube road (29) and heat exchanger (17) another outlet, the second two-bit triplet One outlet g of solenoid valve (26) passes through the second inlet pipe (27) and heat exchanger (17) another inlet communication;Second desander (28) it is connected in the second inlet pipe (27);
    Wherein, including two sets of water recycle schemes:
    Scheme one, the underground heat that the first pump drainage water installations (11) are extracted from the first well (1) pass sequentially through outlet conduit (20), first An outlet b and the first desander of the inlet port a of two-bit triplet solenoid valve (23), the first two-bit triplet solenoid valve (23) (16) after, finally enter in heat exchanger (17), the tail water after heat exchanger (17) circulation passes sequentially through the second outlet tube road (29), the After one outlet f of two two-bit triplet solenoid valves (26) and the inlet port e of the second two-bit triplet solenoid valve (26), back to the In the second well (2) that two pump drainage water installations (4) are located at;
    Scheme two, the underground heat that the second pump drainage water installations (4) are extracted from the second well (2) pass sequentially through the second two-bit triplet electromagnetism An outlet g, the second desander (28) and the second inlet tube of the inlet port e of valve (26), the second two-bit triplet solenoid valve (26) Behind road (27), finally enter in heat exchanger (17), heat exchanger (17) circulation after tail water pass sequentially through the first outlet tube road (24), An outlet c, the inlet port a and outlet conduit of the first two-bit triplet solenoid valve (23) of first two-bit triplet solenoid valve (23) (20) after, in the first well (1) being located at back to the first pump drainage water installations (11).
  3. 3. the bi-directional filtered geothermal utilization heating system of very recharge according to claim 2, it is characterised in that:The One well (1) passes through two-way spilling water return duct (18) liquid intercommunication with the second well (2);Two-way spilling water return duct (18) is low respectively In the upper port of the first well (1) and the second well (2).
  4. 4. the bi-directional filtered geothermal utilization heating system of very recharge according to claim 2, it is characterised in that:The One pump drainage water installations (11) include the immersible pump (3) positioned at the first wall casing (5) bottom, the water inlet pipe connected with immersible pump (3) Road (19), geothermal reinjection well three way type dual check pumping and filling device (8) and filter bag set (7);
    Geothermal reinjection well three way type dual check pumping and filling device (8) upper port and outlet conduit (20) lower end being vertically arranged connect Logical, geothermal reinjection well three way type dual check pumping and filling device (8) lower port is connected with inlet channel (19), filter bag set (7) suit On geothermal reinjection well three way type dual check pumping and filling device (8);Bottom binding end (10) of filter bag set (7) is bundled in outlet pipe On road (20) lateral wall;
    The by-pass port of geothermal reinjection well three way type dual check pumping and filling device (8) is corresponding with filter bag set (7) madial wall, geothermal reinjection The water of the by-pass port discharge of well three way type dual check pumping and filling device (8) is flowed into the first wall casing (5) by filter bag set (7).
  5. 5. the bi-directional filtered geothermal utilization heating system of very recharge according to claim 3, it is characterised in that:Filter The upper end of bag set (7) is installed on the well head of the first wall casing (5) along (14) outer end, on the well head of the first wall casing (5) Wellhead flange (12) is provided with the outside of along (14), well head end socket (13) is sealedly connected with wellhead flange (12) upper end, in well head Automatic exhaust steam valve (15) is provided with the top of end socket (13).
  6. 6. the bi-directional filtered geothermal utilization heating system of very recharge according to claim 3, it is characterised in that:Filter Bag covers between (7) and geothermal reinjection well three way type dual check pumping and filling device (8), and/or filter bag set (7) and inlet channel (19) Between be provided with filter bag locking ring (9).
  7. 7. the bi-directional filtered geothermal utilization heating system of very recharge according to claim 5, it is characterised in that: The first electronic flowmeter/water meter (30) is provided with the outlet conduit (20) of one pump drainage water installations (11), is filled in the second pump drainage water Put and the second electronic flowmeter/water meter is provided with the outlet conduit of (4)(31);
    First electronic flowmeter/water meter (30) and the second electronic flowmeter/water meter(31)It is electrically connected and is useful for comparing first Electronic flowmeter/water meter (30) and the second electronic flowmeter/water meter(31)The processor of difference in flow, processor are connected with alarm Or the monitoring system of processor and municipal water supply communication connection.
  8. 8. the bi-directional filtered geothermal utilization heating system of very recharge according to claim 6, it is characterised in that: Between first wall casing (5) and the first pump drainage water installations (11) and/or in the second wall casing (6) and the second pump drainage water installations (4) Between be provided with sleeve type spiral-poker (21) for conveying sludge from bottom to top and structure is identical;Sleeve type is spiral to be stirred Imperial (21) are outer spiral fin structure, and the extension positioned at the upper end of outer spiral fin leans out tail end (210) along outside when rotation The tangential direction of helical fin is set, the key connection rack gear (211) on the lateral wall of sleeve type spiral-poker (21) upper end, gear ring (211) it is engaged with by controlling motor-driven drive gear (212);
    Sleeve type spiral-poker (21) lower part is provided with lower outlet (214),
    Be provided with the first wall casing (5) annular and for collect extension lean out tail end (210) drop mud granule into dirt Annular collection trough (215), sewage draining exit (219) is provided with into dirty annular collection trough (215) bottom.
  9. 9. the bi-directional filtered geothermal utilization heating system of very recharge according to claim 7, it is characterised in that: Aggregation mud chamber (217) is connected with into dirty annular collection trough (215) lower end, aggregation mud chamber (217) lower part is provided with blowdown Mouth (219);The outermost end that extension leans out tail end (210) is located at into above dirty annular collection trough (215);
    Aggregation mud chamber (217) is provided with the blowdown piston (218) for open or close sewage draining exit (219);
    Dirty annular collection trough (215) is being provided with weight sensor/photoelectric sensor (216), in the first wall casing (5) bottom It is provided with turbidity sensor (213);
    Weight sensor/photoelectric sensor (216) is electrically connected with processor with turbidity sensor (213), and processor is electrically connected There is controller, controller is electrically connected with control motor, and controller is electrically connected with the pumping plant or motor of blowdown piston (218).
  10. 10. the bi-directional filtered geothermal utilization heating system of very recharge according to claim 6, it is characterised in that: Geothermal reinjection well three way type dual check pumping and filling device (8) include being vertically arranged in inlet channel (19) and outlet conduit (20) it Between outer barrel (84), the check valve (80) for unidirectional cutoff inlet channel (19), the valve being vertically arranged in check valve (80) Mandrel, the spool axle stretch end (81) for being arranged on poppet shaft upper end, be arranged on spool axle stretch end (81) upper end axis stretch valve block (82), It is arranged on axis and stretches the axis of valve block (82) upper end and stretches valve pad (83), is arranged in outer barrel (84) and stretched positioned at axis above valve pad (83) Recharge pipe (86), the recharge branch pipe (87) being arranged radially on outer barrel (84);
    Axis stretches that valve pad (83) and the lower end import of recharge pipe (86) are in sealing contact or separate, and the upper end outlet of recharge pipe (86) is with returning The inlet communication of branch pipe (87) is filled, the outlet of recharge branch pipe (87) is corresponding with the madial wall of filter bag set (7).
CN201721190484.6U 2017-09-18 2017-09-18 The very bi-directional filtered geothermal utilization heating system of recharge Active CN207230719U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110284579A (en) * 2019-07-15 2019-09-27 宁海艾雅机械设备有限公司 A kind of anti-blocking reservoir for hydraulic engineering
CN110763432A (en) * 2019-11-05 2020-02-07 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) Simulation test method for monitoring geothermal recharge three-dimensional temperature field
CN111561304A (en) * 2020-04-16 2020-08-21 中国地质科学院勘探技术研究所 Short-well-distance heat exchange method suitable for hot dry rock
CN111750554A (en) * 2020-05-29 2020-10-09 万江新能源集团有限公司 Deep heat exchange system of geothermal recharge well

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110284579A (en) * 2019-07-15 2019-09-27 宁海艾雅机械设备有限公司 A kind of anti-blocking reservoir for hydraulic engineering
CN110763432A (en) * 2019-11-05 2020-02-07 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) Simulation test method for monitoring geothermal recharge three-dimensional temperature field
CN111561304A (en) * 2020-04-16 2020-08-21 中国地质科学院勘探技术研究所 Short-well-distance heat exchange method suitable for hot dry rock
CN111750554A (en) * 2020-05-29 2020-10-09 万江新能源集团有限公司 Deep heat exchange system of geothermal recharge well

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