CN208718623U - A kind of scaler system for high mineralization geothermal well - Google Patents
A kind of scaler system for high mineralization geothermal well Download PDFInfo
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- CN208718623U CN208718623U CN201821492695.XU CN201821492695U CN208718623U CN 208718623 U CN208718623 U CN 208718623U CN 201821492695 U CN201821492695 U CN 201821492695U CN 208718623 U CN208718623 U CN 208718623U
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- geothermal well
- geothermal
- settling tank
- heat exchanger
- high mineralization
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The utility model belongs to scaler system technical field, disclose a kind of scaler system for high mineralization geothermal well, including geothermal well, casing, scale settling tank, force (forcing) pump and heat exchanger, casing is installed in geothermal well, casing is connect by drainpipe with scale settling tank, scale settling tank is connect by overflow pipe with heat exchanger, and overflow pipe is equipped with force (forcing) pump, and heat exchanger is connect by return pipe with geothermal well.The system carries out scale removal for high mineralization geothermal well, the encrustation for substituting geothermal well by the way that casing is arranged in geothermal well, and sedimentation dirty removing processing is carried out in scale settling tank, low mineralization GEOTHERMAL WATER in formation, the salinity of GEOTHERMAL WATER is considerably reduced by way of active fouling, the salinity that force (forcing) pump further decreases GEOTHERMAL WATER is reused, the pipeline scaling of heat exchanger is reduced, is conducive to the exchange of thermal energy.The system structure is simple, and good descaling effect, use cost is low, easy to implement.
Description
Technical field
The utility model belongs to scaler system technical field, and in particular to a kind of scale removal system for high mineralization geothermal well
System.
Background technique
With rapidly depleting for the non-renewable resources such as petroleum, natural gas, geothermal energy is as a kind of with before wide exploitation
The new energy of scape is of increasing concern, and geothermal energy is for various forms such as heating, power generation, refrigeration, Medical bath and aquacultures
Industrial or agricultural energy source.Geothermal energy is taken, and is directly taken out from underground usually in the form of steam water interface, in GEOTHERMAL WATER
Due to containing a large amount of dirt, such as Ca2+、Mg2+、Fe2+、Al3+、S2-、CO3 2-Deng, it is easy to generate the carbonic acid of calcium ions and magnesium ions
Salt and hydroxide slightly soluble salt, the solubility of slightly soluble salt is different from general salt, be not as the temperature rises and
It increases, but reduces as the temperature rises, therefore, these slightly soluble salts easily reach hypersaturated state, by tying in water
Partial crystallization goes out.On the one hand scale makes the heat transfer property of heating surface be deteriorated, will increase very big heat transmission resistance, influence heat-transfer effect,
Cause thermal loss；On the other hand, scale can largely be attached to equipment pipe inner wall, and pipeline can be blocked when serious, threaten equipment
Safe operation, the serious industrial enterprise of scale is even forced to stop production.
Fouling is a common problem, and the whole world is reached for heat-energy losses cost caused by the cleaning and fouling of scale every year
10000000000 dollars.Antiscaling method has had much at present, such as Mechanical Method scale removal, chemical method scale removal, magnetic field antiscale, electrostatic-scaling.
Most effective one is chemical cleaning method, but the addition of chemical agent is there are the risk of environmental pollution, stringent to environmental requirement
Area, such as Tibet are simultaneously not suitable for.In addition the anti-scale descalings method such as magnetic field, electrostatic, resin not high, the fouling that is only applicable to mineralization degree
Not extremely serious occasion.Thus, it is high for part mineralization degree, for the great mine of calcium ions and magnesium ions concentration, how to remove
Dirt simultaneously makes full use of geothermal energy to be still a problem.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide one kind for high mineralization
The scaler system of hot well, the system have active descaling function, the scale formation in pipeline can be greatly reduced, and structure is simple
Easily promote.
The technology employed by the present utility model is a kind of scaler system for high mineralization geothermal well, including underground heat
Well, casing, scale settling tank, force (forcing) pump and heat exchanger, the geothermal well is interior to install casing, and described sleeve pipe passes through drainpipe and water
Dirty settling tank connection, the scale settling tank are connect by overflow pipe with heat exchanger, and the overflow pipe is equipped with force (forcing) pump, described
Heat exchanger is connect by return pipe with geothermal well.
It is preferred that being equipped with removable derrick on the geothermal well, moves derrick and be equipped with for controlling
State the hoist engine of casing landing in geothermal well.
It is preferred that being equipped with insulation cover at the top of the scale settling tank.
It is preferred that the inner wall of the scale settling tank is embedded with rubble.
It is preferred that baffle plate arranged in a crossed manner on the opposite sides inner wall of the scale settling tank.
It is preferred that the surface of the baffle plate is equipped with protrusion.
It is preferred that the baffle plate is made of corrosion-resistant metal materials.
It is preferred that being bundled with adsorbent material on the baffle plate.
It is preferred that the adsorbent material is plant fiber or cotton spinning waste material.
It is preferred that the heat exchanger is fixed tube-sheet exchanger or plate-fin heat exchanger.
The utility model has the following beneficial effects:
The utility model provides a kind of scaler system for high mineralization geothermal well, is removed for high mineralization geothermal well
Dirt, the encrustation for substituting geothermal well by the way that casing is arranged in geothermal well, and carried out at sedimentation scale removal in scale settling tank
It manages, low mineralization GEOTHERMAL WATER in formation, the utility model considerably reduces the mineralising of GEOTHERMAL WATER by way of active fouling
Degree, reuses the salinity that force (forcing) pump further decreases GEOTHERMAL WATER, reduces the fouling of overflow pipe and return pipe, while also reducing
The pipeline scaling of heat exchanger, is conducive to the exchange of thermal energy.The system structure is simple, and good descaling effect, use cost is low, is easy to
Implement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of scaler system for high mineralization geothermal well provided by the utility model.
Fig. 2 is a kind of vertical view of the scale settling tank of scaler system for high mineralization geothermal well provided by the utility model
Figure.
In figure: 1- geothermal well；2- casing；3- scale settling tank；4- force (forcing) pump；5- heat exchanger；6- drainpipe；7- flowing water
Pipe；8- return pipe；9- moves derrick；10- hoist engine；11- insulation cover；12- rubble；13- baffle plate；14- protrusion；15- inhales
Enclosure material.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
As shown in Figure 1, present embodiments providing a kind of scaler system for high mineralization geothermal well, including geothermal well 1, set
Pipe 2, scale settling tank 3, force (forcing) pump 4 and heat exchanger 5, the geothermal well 1 is interior to install casing 2, and described sleeve pipe 2 passes through drainpipe 6
It is connect with scale settling tank 3, the scale settling tank 3 is connect by overflow pipe 7 with heat exchanger 5, and the overflow pipe 7, which is equipped with, to be added
Press pump 4, the heat exchanger 5 are connect by return pipe 8 with geothermal well 1.
The high mineralization GEOTHERMAL WATER of high temperature and pressure is sprayed by casing 2, enters 3 bottom of scale settling tank, scale by drainpipe 6
Settling tank 3 is usually underground pond, and high mineralization GEOTHERMAL WATER carries out sedimentation dirty removing processing, low mineralising in formation in scale settling tank 3
Spend GEOTHERMAL WATER.Force (forcing) pump 4 using conventional booster water pump, setting purpose be provide pressure for the pipeline of subsequent heat exchanger 5, and
Increase the solubility of calcium ions and magnesium ions in GEOTHERMAL WATER, reduces the pipeline scaling of heat exchanger 5, sufficiently exchange the heat of GEOTHERMAL WATER.In it is low
Salinity GEOTHERMAL WATER further decreases the salinity of GEOTHERMAL WATER under the action of force (forcing) pump 4, and enters heat exchanger 5 and heat exchanger 5
Condensed water carry out heat exchange, condensed water obtain GEOTHERMAL WATER heat after be delivered to user use, through heat exchanger 5 heat exchange after ground
Hot water is returned in geothermal well 1 by return pipe 8.Conventional heat exchanger 5 can be used in heat exchanger 5, it is preferable that the heat exchanger 5 is
Fixed tube-sheet exchanger or plate-fin heat exchanger.
The utility model carries out scale removal for high mineralization geothermal well 1, substitutes underground heat by the way that casing 2 is arranged in geothermal well 1
The encrustation of well 1, and sedimentation dirty removing processing is carried out in scale settling tank 3, low mineralization GEOTHERMAL WATER in formation, this is practical new
Type considerably reduces the salinity of GEOTHERMAL WATER by way of active fouling, reuses force (forcing) pump 4 and further decreases GEOTHERMAL WATER
Salinity, reduce the fouling of overflow pipe 7 and return pipe 8, while reducing the pipeline scaling of heat exchanger 5, be conducive to thermal energy
Exchange.The system structure is simple, and good descaling effect, use cost is low, easy to implement.
In the present embodiment, removable derrick 9 is installed on the geothermal well 1, moves derrick 9 and is equipped with for controlling
The hoist engine 10 of the landing in geothermal well 1 of described sleeve pipe 2.Hoist engine 10 is mountable on removable derrick 9, also may be mounted at
Ground is connect by wirerope with casing 2.There are 5 cm clearances for the inner wall of casing 2 and geothermal well 1, and casing 2 is for alternatively
The encrustation of hot well 1 is proposed casing 2 to geothermal well 1 by hoist engine 10 after 2 encrustation of casing reaches 5 centimetres
Outside, after ground is removed the scale of 2 inner wall of casing using mechanical or chemical method, then lower arrive in geothermal well 1 is reused,
Scale is avoided to be deposited on 2 inner wall of casing to block casing 2.
At the top of the scale settling tank 3 be equipped with insulation cover 11, insulation cover 11 be used for by scale settling tank 3 closing but it is not close
Envelope, insulation cover 11 make the GEOTHERMAL WATER in scale settling tank 3 keep high temperature, can reduce the thermal loss of GEOTHERMAL WATER, be conducive to subsequent
Heat exchange, so that the heat of GEOTHERMAL WATER is fully used, at the same be conducive to the scale in GEOTHERMAL WATER precipitation, reduce 7 He of overflow pipe
The fouling of return pipe 8.
In the present embodiment, in order to improve the scale removal ability of scale settling tank 3, the inner wall of the scale settling tank 3 is embedded with
Rubble 12.The inner wall surrounding of scale settling tank 3 is all made of mixed mud material and is made, and rubble 12 is in mixed mud to increase scale
The roughness of 3 inner wall of settling tank.
As shown in Fig. 2, intersecting on the opposite sides inner wall of the scale settling tank 3 to promote a greater degree of fouling
Baffle plate 13 is set.Baffle plate 13 can reduce flow velocity of the GEOTHERMAL WATER in scale settling tank 3, increase GEOTHERMAL WATER in scale settling tank
The sedimentation fouling time in 3.
Preferably, the surface of the baffle plate 13 is equipped with protrusion 14.Protrusion 14 is used to increase the surface area of baffle plate 13,
The contact area for increasing GEOTHERMAL WATER and baffle plate 13, is conducive to the fouling of GEOTHERMAL WATER.The baffle plate 13 uses corrosion resistant metal
Material is made, and such as stainless steel, is conducive to the service life for improving baffle plate 13.
Further, it is bundled with adsorbent material 15 on the baffle plate 13, the large specific surface area of adsorbent material 15 can increase
The contact area of GEOTHERMAL WATER and adsorbent material 15 is conducive to the deposition of scale.
In the present embodiment, the adsorbent material 15 is plant fiber or cotton spinning waste material, it is preferable that plant fiber is straw
Stalk.
The technique of scaler system provided by the utility model for high mineralization geothermal well includes the following steps:
Step 1, the high mineralization GEOTHERMAL WATER in geothermal well 1 is discharged through casing 2, enters scale settling tank 3 through drainpipe 6 and carries out
Sedimentation dirty removing processing forms middle low mineralization GEOTHERMAL WATER；
Step 2, middle low mineralization GEOTHERMAL WATER further decreases the salinity of GEOTHERMAL WATER under the action of force (forcing) pump 4, goes forward side by side
The condensed water for entering heat exchanger 5 and heat exchanger 5 carries out heat exchange；
Step 3, the GEOTHERMAL WATER after 5 heat exchange of heat exchanger is returned in geothermal well 1 by return pipe 8.
High mineralization GEOTHERMAL WATER is first carried out sedimentation dirty removing processing and forms middle low mineralization GEOTHERMAL WATER, middle low mineralization by the technique
GEOTHERMAL WATER further decreases the salinity of GEOTHERMAL WATER under the action of force (forcing) pump 4, and enters the condensation of heat exchanger 5 and heat exchanger 5
Water carries out heat exchange, and the condensed water of heat exchanger 5 is delivered to user's use, the underground heat after 5 heat exchange of heat exchanger after obtaining heat
Water is returned in geothermal well 1 by return pipe 8.The process is simple, at low cost, easy to implement.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (10)
1. a kind of scaler system for high mineralization geothermal well, including geothermal well (1), casing (2), scale settling tank (3), pressurization
Pump (4) and heat exchanger (5), which is characterized in that casing (2) are installed in the geothermal well (1), described sleeve pipe (2) passes through drainpipe
(6) it is connect with scale settling tank (3), the scale settling tank (3) is connect by overflow pipe (7) with heat exchanger (5), the flowing water
It manages (7) and is equipped with force (forcing) pump (4), the heat exchanger (5) is connect by return pipe (8) with geothermal well (1).
2. the scaler system according to claim 1 for high mineralization geothermal well, which is characterized in that the geothermal well (1)
On removable derrick (9) are installed, move derrick (9) be equipped with for controlling described sleeve pipe (2) in geothermal well (1) interior landing
Hoist engine (10).
3. the scaler system according to claim 1 for high mineralization geothermal well, which is characterized in that the scale settling tank
(3) top is equipped with insulation cover (11).
4. the scaler system according to claim 1 for high mineralization geothermal well, which is characterized in that the scale settling tank
(3) inner wall is embedded with rubble (12).
5. the scaler system according to claim 1 for high mineralization geothermal well, which is characterized in that the scale settling tank
(3) baffle plate (13) arranged in a crossed manner on opposite sides inner wall.
6. the scaler system according to claim 5 for high mineralization geothermal well, which is characterized in that the baffle plate (13)
Surface be equipped with raised (14).
7. the scaler system according to claim 5 for high mineralization geothermal well, which is characterized in that the baffle plate (13)
It is made of corrosion-resistant metal materials.
8. the scaler system according to claim 5 for high mineralization geothermal well, which is characterized in that the baffle plate (13)
On be bundled with adsorbent material (15).
9. the scaler system according to claim 8 for high mineralization geothermal well, which is characterized in that the adsorbent material
It (15) is plant fiber or cotton spinning waste material.
10. the scaler system according to claim 1 for high mineralization geothermal well, which is characterized in that the heat exchanger (5)
For fixed tube-sheet exchanger or plate-fin heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821492695.XU CN208718623U (en) | 2018-09-12 | 2018-09-12 | A kind of scaler system for high mineralization geothermal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821492695.XU CN208718623U (en) | 2018-09-12 | 2018-09-12 | A kind of scaler system for high mineralization geothermal well |
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| Publication Number | Publication Date |
|---|---|
| CN208718623U true CN208718623U (en) | 2019-04-09 |
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ID=65981939
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821492695.XU Active CN208718623U (en) | 2018-09-12 | 2018-09-12 | A kind of scaler system for high mineralization geothermal well |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952631A (en) * | 2018-09-12 | 2018-12-07 | 徐浩然 | A kind of scaler system and its technique for high mineralization geothermal well |
| CN114608048A (en) * | 2020-12-09 | 2022-06-10 | 中国科学院广州能源研究所 | Calcium carbonate scale deposit physical prevention and cure system |
-
2018
- 2018-09-12 CN CN201821492695.XU patent/CN208718623U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952631A (en) * | 2018-09-12 | 2018-12-07 | 徐浩然 | A kind of scaler system and its technique for high mineralization geothermal well |
| CN114608048A (en) * | 2020-12-09 | 2022-06-10 | 中国科学院广州能源研究所 | Calcium carbonate scale deposit physical prevention and cure system |
| CN114608048B (en) * | 2020-12-09 | 2023-10-27 | 中国科学院广州能源研究所 | Physical control system for calcium carbonate scaling |
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