CN111595194A - Medium liquid real-time filter for middle-deep geothermal energy exploitation system - Google Patents
Medium liquid real-time filter for middle-deep geothermal energy exploitation system Download PDFInfo
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- CN111595194A CN111595194A CN202010480031.7A CN202010480031A CN111595194A CN 111595194 A CN111595194 A CN 111595194A CN 202010480031 A CN202010480031 A CN 202010480031A CN 111595194 A CN111595194 A CN 111595194A
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- filter screen
- geothermal energy
- filter
- real
- deep geothermal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a medium liquid real-time filter for a middle-deep geothermal energy exploitation system, which comprises a filter screen fixed in a communicating pipe and a driver used for driving the middle of the filter screen to swing back and forth in a reciprocating manner; the middle part of the filter screen is driven by the driver to swing back and forth, so that impurities adsorbed in the middle part of the filter screen can be moved to the edge to be accumulated, automatic cleaning and collection of the impurities are realized under the condition that the normal operation of a closed system is not influenced, and the long-term stable and efficient operation of the system is ensured; when the normal operation of the system is ensured, the excessive influence on the heat conduction efficiency of the whole system caused by the newly added impurities for a long time is avoided, and the heat exchange efficiency of the system is effectively improved.
Description
Technical Field
The invention relates to the field of geothermal energy collection, in particular to a medium liquid real-time filter for a middle-deep layer geothermal energy exploitation system.
Background
A method for utilizing geothermal energy of a middle-deep layer mainly comprises the steps of arranging a heat exchanger below a still water level or a dry hot rock land without an underground water-bearing layer, and extracting heat of geothermal water of the middle-deep layer by utilizing a heat conduction mode; the heat exchange system for the middle-deep layer geothermal energy mining system can only exchange the middle-deep layer geothermal energy on the premise of not extracting middle-deep layer geothermal water resources, and is a heat exchange system for reasonably developing the middle-deep layer geothermal energy for building heat supply;
the heat exchanger in the middle-deep geothermal well commonly used in the system is generally a double-sleeve heat exchanger, and circulating media absorb heat of surrounding high-temperature rock mass in the process of flowing downwards from a gap between an outer sleeve and an inner sleeve, so that the temperature is increased, and the circulating media flow out of the heat exchanger from the inner sleeve upwards at the bottom. After flowing out of the heat exchanger, the circulating medium enters the evaporator side of the high-temperature heat source type water source heat pump main unit through the circulating pump, releases heat, and returns to the heat exchanger in the middle-deep geothermal well again after being cooled; meanwhile, the system transfers the terrestrial heat to the user through the medium liquid in the heat exchange circulation passage between the heat source and the user, and meanwhile, the medium liquid carries the heat to dissipate the heat to the outside; in the whole system, the medium liquid can generate impurities in long-term reciprocating circulation flow, and the existence of the impurities affects the heat conduction performance of the medium liquid, so that the heat exchange efficiency of the whole system is greatly affected.
Disclosure of Invention
In view of the above, the present invention aims to overcome the defects in the prior art, and provide a medium liquid real-time filter for a middle-deep geothermal energy exploitation system, which can effectively improve the heat exchange efficiency of the system, realize higher heat supply efficiency of the system, and more stably operate, and ensure long-term, stable and efficient heat supply to users.
The invention relates to a medium liquid real-time filter for a middle-deep geothermal energy exploitation system, which comprises a filter screen fixed in a communicating pipe and a driver used for driving the middle of the filter screen to swing back and forth in a reciprocating manner.
Further, still include the fixed cover of filter screen, the filter screen edge is fixed in the fixed cover interior circle of filter screen, the fixed cover of filter screen with detachable mode fixed mounting in the intercommunication pipe.
Furthermore, the filter screen fixing sleeve comprises an outer sleeve and an inner sleeve sleeved on the outer sleeve at intervals, the rear end of the inner sleeve and the rear end of the outer sleeve are fixed in a sealing mode, and an impurity storage cavity is formed between the inner sleeve and the outer sleeve in the radial direction.
Furthermore, a plurality of liquid discharge holes are formed in the rear end of the impurity storage cavity.
Furthermore, the filter screen is in a circular arc shell shape after being opened.
Furthermore, the driver is an excitation coil fixedly sleeved outside the communicating pipe, a permanent magnet sheet is fixedly arranged in the middle of the filter screen, and the excitation coil drives the filter screen to swing back and forth in the middle of the filter screen through electromagnetic force by passing currents in different directions.
Furthermore, all be provided with the filter screen around the excitation coil, the filter screen that is located the rear end filters impurity size and is less than the filter screen of front end and filters impurity size.
Furthermore, the excitation coil is the multiunit, and the multiunit is along fixed the setting of communicating pipe length direction interval.
Further, still include the clamp, the clamp overcoat is in communicating pipe and the outer sleeve of chucking communicating pipe, realizes that the fixed cover of filter screen is fixed in the communicating pipe.
The invention has the beneficial effects that: according to the medium liquid real-time filter for the middle-deep geothermal energy exploitation system, the middle part of the filter screen is driven by the driver to swing back and forth, so that impurities adsorbed in the middle part of the filter screen can be moved to the edge to be accumulated, automatic cleaning and collection of the impurities are realized under the condition that the normal operation of a closed system is not influenced, and the long-term stable and efficient operation of the system is ensured; when the normal operation of the system is ensured, the excessive influence on the heat conduction efficiency of the whole system caused by the newly added impurities for a long time is avoided, and the heat exchange efficiency of the system is effectively improved.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is another schematic structural diagram of the present invention.
Detailed Description
Fig. 1 is a schematic structural view of the present invention, fig. 2 is another schematic structural view of the present invention, and as shown in the drawings, the present embodiment of the filter for filtering medium liquid in a medium-deep geothermal energy production system comprises a filter screen 21 fixed in a communicating pipe 20 and a driver 22 for driving the filter screen 21 to swing back and forth; the filter screen is made of soft materials, of course, the filter screen is installed in the communicating pipe 20 in a loose mode of the middle part, and the middle part of the filter screen is driven to swing back and forth through the driver 22, so that impurities adsorbed in the middle part of the filter screen can be moved to the edge to be accumulated, automatic cleaning and collection of the impurities are realized under the condition that normal operation of a closed system is not influenced, and long-term stable and efficient operation of the system is ensured; the direction of medium liquid flow is shown in the front, otherwise, after the system normally operates, the phenomenon that long-term newly-added impurities cause overlarge influence on the heat conduction efficiency of the whole system is avoided, the heat exchange efficiency of the system is effectively improved, the system is higher in heat supply efficiency, the system operates more stably, and long-term, stable and efficient heat supply to users is guaranteed.
In this embodiment, the filter device further comprises a filter screen fixing sleeve, wherein the edge of the filter screen is fixed in the inner circle of the filter screen fixing sleeve, and the filter screen fixing sleeve is detachably and fixedly arranged in the communicating pipe 20; the filter screen is convenient to install and fix through the filter screen fixing sleeve, and meanwhile, after the filter screen is operated for a certain period, the filter screen is convenient to detach and clean.
In this embodiment, the filter screen fixing sleeve comprises an outer sleeve 23 and an inner sleeve 24 which is sleeved on the outer sleeve 23 at intervals, the rear ends of the inner sleeve 24 and the outer sleeve 23 are fixed in a closed manner, and an impurity storage cavity 25 is formed between the inner sleeve 23 and the outer sleeve 23 in the radial direction; of course, the filter screen edge is fixed in the front end mouth edge of inner skleeve 24, as shown in the figure, store up the rear end in impurity chamber 25 and seted up a plurality of outage, through this setting of storing up impurity chamber 25, improve the collection efficiency of impurity, the impurity of terminal surface is not retrained before avoiding the filter screen, influences the flow efficiency of communicating pipe 20, and it is big to guarantee impurity collection volume, prolongs clearance cycle to clearance after easily dismantling.
In this embodiment, the filter screen is the circular arc shell form after opening, when doing benefit to the filter screen amplitude of oscillation less, impurity does benefit to and slides to storing up in the impurity chamber 25.
In this embodiment, the driver 22 is an excitation coil 22 fixed on the communicating pipe 20, a permanent magnet sheet 26 is fixed in the middle of the filter screen, and the excitation coil 22 drives the filter screen to swing back and forth by electromagnetic force through passing currents in different directions; the excitation coil 22 produces the magnetic field of attracting and repelling permanent magnet piece 26 in proper order for the filter screen swing that is fixed with the permanent magnetism paster, permanent magnet piece 26 are fixed in the middle of the filter screen of arc shell form, excitation coil 22 intercommunication has current frequency conversion excitation power, through the alternating magnetic field that excitation coil 22 produced, makes the filter screen with the reciprocal vibrations of certain frequency, realizes that impurity effectively collects.
In this embodiment, the front end and the rear end of the excitation coil 22 are both provided with filter screens, the size of the impurities filtered by the filter screen at the rear end is smaller than that of the impurities filtered by the filter screen at the front end, the excitation coils 22 are provided in multiple groups, and the multiple groups are fixedly arranged at intervals along the length direction of the communicating pipe 20; further improving the filtering effect and efficiency.
In this embodiment, the filter screen fixing sleeve further comprises a hoop 27, the hoop is sleeved outside the communication pipe 20 and clamps the outer sleeve 23 in the communication pipe 20, so that the filter screen fixing sleeve is fixed in the communication pipe 20; the communicating pipe 20 is a hose, the outer sleeve 23 is embedded and then fixed and sealed with the inner wall of the hose through the clamp 27, and the communicating pipe is simple in structure and convenient to install.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. A real-time filter of medium liquid for a middle-deep geothermal energy exploitation system is characterized in that: comprises a filter screen fixed in a communicating pipe and a driver used for driving the middle of the filter screen to swing back and forth.
2. The real-time filter of the medium fluid for the middle-deep geothermal energy exploitation system of claim 1, wherein: still include the fixed cover of filter screen, the filter screen edge is fixed in the fixed cover interior circle of filter screen, the fixed cover of filter screen is with detachable mode fixed mounting in the intercommunication pipe.
3. The real-time filter of the medium fluid for the middle-deep geothermal energy exploitation system of claim 2, wherein: the filter screen fixing sleeve comprises an outer sleeve and an inner sleeve sleeved on the outer sleeve at intervals, the rear end of the inner sleeve and the rear end of the outer sleeve are fixed in a sealing mode, and an impurity storage cavity is formed between the inner sleeve and the outer sleeve in the radial direction.
4. The real-time filter of the medium fluid for the middle-deep geothermal energy exploitation system of claim 3, wherein: and the rear end of the impurity storage cavity is provided with a plurality of liquid discharge holes.
5. The real-time filter of the medium fluid for the middle-deep geothermal energy exploitation system of claim 4, wherein: the filter screen is in a circular arc shell shape after being opened.
6. The real-time filter of the medium fluid for the middle-deep geothermal energy exploitation system of claim 1, wherein: the driver is an excitation coil fixedly sleeved outside the communicating pipe, a permanent magnet sheet is fixedly arranged in the middle of the filter screen, and the excitation coil drives the filter screen to swing back and forth in the middle of the filter screen through electromagnetic force by passing currents in different directions.
7. The real-time filter of the medium fluid for the middle-deep geothermal energy exploitation system of claim 6, wherein: the front end and the rear end of the magnet exciting coil are both provided with filter screens, and the filter screen at the rear end is smaller than the filter screen at the front end in impurity filtering size.
8. The real-time filter of the medium fluid for the middle-deep geothermal energy extraction system according to claim 7, wherein: the excitation coil is the multiunit, and the multiunit is along fixed setting of communicating pipe length direction interval.
9. The real-time filter of the medium fluid for the middle-deep geothermal energy exploitation system of claim 3, wherein: the filter screen fixing sleeve is fixed in the communicating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480031.7A CN111595194A (en) | 2020-05-29 | 2020-05-29 | Medium liquid real-time filter for middle-deep geothermal energy exploitation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480031.7A CN111595194A (en) | 2020-05-29 | 2020-05-29 | Medium liquid real-time filter for middle-deep geothermal energy exploitation system |
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| Publication Number | Publication Date |
|---|---|
| CN111595194A true CN111595194A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010480031.7A Pending CN111595194A (en) | 2020-05-29 | 2020-05-29 | Medium liquid real-time filter for middle-deep geothermal energy exploitation system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203635326U (en) * | 2013-12-05 | 2014-06-11 | 冯白云 | Multi-filter capable of rapidly recycling impurities |
| CN204932985U (en) * | 2015-09-14 | 2016-01-06 | 红塔烟草（集团）有限责任公司楚雄卷烟厂 | A kind of medium is the piping filter of liquid |
| CN207018190U (en) * | 2017-07-06 | 2018-02-16 | 深圳市能源环保有限公司 | A kind of garbage incinerating power plant pump entrance is inverted the filter of filter screen |
| CN209800960U (en) * | 2019-05-06 | 2019-12-17 | 湖南达道新能源开发有限公司 | Protection and shock absorption device for heat distribution pipeline |
| WO2020053691A1 (en) * | 2018-09-10 | 2020-03-19 | I.V.A.R. S.P.A. | Device and method for filtering a fluid circulating in a plumbing and heating system |
-
2020
- 2020-05-29 CN CN202010480031.7A patent/CN111595194A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203635326U (en) * | 2013-12-05 | 2014-06-11 | 冯白云 | Multi-filter capable of rapidly recycling impurities |
| CN204932985U (en) * | 2015-09-14 | 2016-01-06 | 红塔烟草（集团）有限责任公司楚雄卷烟厂 | A kind of medium is the piping filter of liquid |
| CN207018190U (en) * | 2017-07-06 | 2018-02-16 | 深圳市能源环保有限公司 | A kind of garbage incinerating power plant pump entrance is inverted the filter of filter screen |
| WO2020053691A1 (en) * | 2018-09-10 | 2020-03-19 | I.V.A.R. S.P.A. | Device and method for filtering a fluid circulating in a plumbing and heating system |
| CN209800960U (en) * | 2019-05-06 | 2019-12-17 | 湖南达道新能源开发有限公司 | Protection and shock absorption device for heat distribution pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 韩微微: "《NS大揭秘有趣的磁学》", 31 January 2014, 吉林美术出版社 * |
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Application publication date: 20200828 |
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