CN203319745U - Geothermal system with limescale treatment and prevention devices - Google Patents
Geothermal system with limescale treatment and prevention devices Download PDFInfo
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- CN203319745U CN203319745U CN2013203582293U CN201320358229U CN203319745U CN 203319745 U CN203319745 U CN 203319745U CN 2013203582293 U CN2013203582293 U CN 2013203582293U CN 201320358229 U CN201320358229 U CN 201320358229U CN 203319745 U CN203319745 U CN 203319745U
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Abstract
The utility model discloses a geothermal system with limescale treatment and prevention devices, comprising a geothermal well, a geothermal power generation system, a limescale treatment device and a limescale prevention device, wherein a first valve is arranged on a water outlet pipe of the geothermal well, a second valve is arranged on a water pipe between the geothermal power generation system and a downstream user port, the water outlet end of the first valve is connected with the water inlet of the limescale treatment device, the water inlet of the limescale prevention device and the water inlet of the geothermal power generation system, the water outlet of the limescale prevention device, the water outlet of the limescale treatment device and the water outlet of the geothermal power generation system are all connected with the water inlet end of the second valve. According to the utility model, a technical scheme for the formed limescale is not only proposed, but also the limescale prevention device is also provided; besides, the geothermal system has simple process, economical reagents and many alternative schemes, thereby being capable of comprehensively solving and preventing the limescale problem in the geothermal system effectively.
Description
Technical field
The utility model relates to a kind of geothermal system, relates in particular to a kind of geothermal system with scale treatment and prevent mean.
Background technology
Quick consumption along with Nonrenewable resources such as oil, Sweet natural gases, Geothermal energy receives publicity day by day as a kind of new forms of energy with wide DEVELOPMENT PROSPECT, Geothermal energy except for the generating, can also be directly used in heat for heating, refrigeration, Medical bath and various forms of industrial or agricultural, and aquaculture etc., the taking of Geothermal energy, usually with the form of steam water interface by directly from underground taking-up, in GEOTHERMAL WATER owing to containing a large amount of dirts, as Ca
2+, Mg
2+, Fe
2+, Al
3+, S
2-, CO
3 2-Deng, be easy to generate carbonate and the oxyhydroxide of calcium ions and magnesium ions, its solubleness is different from general salt simultaneously, not to raise along with the rising of temperature, but reduce along with the rising of temperature, therefore, these slightly soluble salts are easy to reach hypersaturated state, crystallization in water, when water flow velocity is smaller or contact surface when more coarse, these crystalline deposit things just easily deposit and form from the teeth outwards dirt, after fouling, the heat transfer property variation of one side heating surface, can increase very large heat transmission resistance, affect heat-transfer effect, cause calorific loss, the incrustation scale that for example the floor heating pipe inwall often thickens 1mm will make indoor temperature descend 6 ℃, on the other hand, after fouling, incrustation scale can be attached to the equipment pipe inwall in a large number, meeting blocking pipe when serious, threaten safe operation, the serious industrial enterprise of incrustation scale even is forced to stop production, and fouling is the common and problem of cost, and the annual heat-energy losses cost caused for dirty cleaning and fouling in the whole world reaches 10,000,000,000 dollars.
Therefore, how to solve the scale problems in geothermal system, and accomplish to provide for a rainy day, took preventive measures before incrustation scale forms, scale problems is strangled among cradle, extremely there is economy and necessity.
Summary of the invention
The purpose of this utility model be to provide a kind of power consumption less, low, the easy handling of cost, can guarantee the geothermal system with scale treatment and prevent mean of downstream user end GEOTHERMAL WATER quality simultaneously.
The utility model is achieved through the following technical solutions:
A kind of geothermal system with scale treatment and prevent mean, comprise geothermal well, system for geothermal production of electricity, scale treatment device and prevention of fouling device, be provided with the first valve on the rising pipe of described geothermal well, be provided with the second valve on water pipe between described system for geothermal production of electricity and downstream user port, the water side of described the first valve respectively with the water-in of described scale treatment device, the water-in of described prevention of fouling device is connected with the water-in of described system for geothermal production of electricity, the water outlet of described prevention of fouling device, the water outlet of described scale treatment device all is connected with the feed-water end of described the second valve with the water outlet of described system for geothermal production of electricity.
Incrustation scale clearing device: in the time of fouling of the e-quipment and pipe in the underground heat system, can pass through mechanism on the one hand, thereby utilizing external force that the incrustation scale pulverizing is come off flows away except descale with liquid, can pass through chemical devices on the other hand, by recycle pump, scale remover is circulated between each equipment of system, abundant and incrustation scale reaction generates soluble salt, and further process through techniques such as withdrawing can collection and later separation crystallizations, recovery obtains pure salt compounds, the change incrustation scale is product, realize taking full advantage of of each material, and mechanism and chemical devices can be combined with scale removal.
Prevention of fouling device: before incrustation scale forms, the ion exchange resin tank is set between underground heat well and main equipment, positively charged ion in the mineral ions such as calcium magnesium in GEOTHERMAL WATER and resin container is exchanged, thereby remove the mineral ion in the follow-up equipment GEOTHERMAL WATER, avoid the formation of incrustation scale, ion exchange resin can lose efficacy in use for some time simultaneously, can make its regeneration by adding regenerated liquid, realize the Reusability of raw material, reduce costs.
Further, described scale treatment device comprises recycle pump, scale remover storage tank, withdrawing can, be provided with outlet valve on described scale remover storage tank, the water side of described outlet valve is connected with the water side of described the first valve with the water-in of the feed-water end of described recycle pump, described system for geothermal production of electricity, be provided with inlet valve on described withdrawing can, the feed-water end of described inlet valve is connected with the water side of described recycle pump and the water outlet of described system for geothermal production of electricity respectively.Scale remover mainly consists of acid and inhibiter, and acid comprises hydrochloric acid, phosphoric acid, acetic acid, citric acid etc., and inhibiter comprises formaldehyde, aniline, tetrahydroglyoxaline etc.
Further, described prevention of fouling device comprises the first resin container and the second resin container, the water-in of the water-in of described the first resin container and the second resin container all is connected with the water side of described the first valve, and the water outlet of the water outlet of described the first resin container and the second resin container all is connected with the water-in of described system for geothermal production of electricity.Ion exchange resin is Zeo-karb, comprises sodium type Zeo-karb, storng-acid cation exchange resin, weakly acidic cation-exchange resin etc.
Further, described system for geothermal production of electricity comprises a plurality of geothermal power generating devices.
As preferably, described recycle pump is the screw rod recycle pump.
As preferably, described scale remover storage tank is horizontal tank.
As preferably, described withdrawing can is vertical type cylinder shape withdrawing can.
The beneficial effects of the utility model are:
By adopting effectively scale removal of the utility model, the compound of scale remover and incrustation scale reaction generation can also be done to further recycling, the change incrustation scale is product, increases the product chain of system, realizes taking full advantage of of each material.The ion-exchange-resin process of prevention of fouling in geothermal system, can realize regeneration of ion-exchange resin and reuse by the ion adsorbed in cheap regenerated liquid wash-out resin, both reduced costs, again environmental protection.The handling and prevention device of incrustation scale in geothermal system, not only for forming incrustation scale, solution has been proposed, also provide the prevent mean of incrustation scale, and technique is simple, reagent economy, available scheme are many, can solve fully and effectively and prevent the incrustation scale problem in geothermal system.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is incrustation scale chemical treatment technology figure of the present utility model.
Fig. 2 is ion exchange resin prevention incrustation scale artwork of the present utility model.
In the drawings, 1 geothermal well, 21-the first geothermal power generating device, 22-the second geothermal power generating device, 23-N geothermal power generating device, 3-recycle pump, 4-scale remover storage tank, 5-withdrawing can, 6-the first resin container, 7-the second resin container, 8-the first valve, 9-the second valve, the 10-outlet valve, the 11-inlet valve.
Embodiment
As depicted in figs. 1 and 2, a kind of geothermal system with scale treatment and prevent mean of the utility model, comprise geothermal well 1, system for geothermal production of electricity, scale treatment device and prevention of fouling device, be provided with the first valve 8 on the rising pipe of geothermal well 1, be provided with the second valve 9 on water pipe between system for geothermal production of electricity and downstream user port, the water side of the first valve 8 respectively with the water-in of scale treatment device, the water-in of prevention of fouling device is connected with the water-in of system for geothermal production of electricity, the water outlet of prevention of fouling device, the water outlet of scale treatment device all is connected with the feed-water end of the second valve 9 with the water outlet of system for geothermal production of electricity.
As shown in Figure 1, the scale treatment device comprises recycle pump 3, scale remover storage tank 4, withdrawing can 5, be provided with outlet valve 10 on scale remover storage tank 4, the water side of outlet valve 10 is connected with the water side of the first valve 8 with the feed-water end of recycle pump 3, the water-in of system for geothermal production of electricity, be provided with inlet valve 11 on withdrawing can 5, the feed-water end of inlet valve 11 is connected with the water side of recycle pump 3 and the water outlet of system for geothermal production of electricity respectively.Scale remover mainly consists of acid and inhibiter, and acid comprises hydrochloric acid, phosphoric acid, acetic acid, citric acid etc., and inhibiter comprises formaldehyde, aniline, tetrahydroglyoxaline etc.
As shown in Figure 2, the prevention of fouling device comprises the first resin container 6 and the second resin container 7, the water-in of the water-in of the first resin container 6 and the second resin container 7 all is connected with the water side of the first valve 8, and the water outlet of the water outlet of the first resin container 6 and the second resin container 7 all is connected with the water-in of system for geothermal production of electricity.Ion exchange resin is Zeo-karb, comprises sodium type Zeo-karb, storng-acid cation exchange resin, weakly acidic cation-exchange resin etc.
As depicted in figs. 1 and 2, described system for geothermal production of electricity comprises the first geothermal power generating device 21, the second geothermal power generating device 22 and N geothermal power generating device 23.Recycle pump 3 is the screw rod recycle pump.Scale remover storage tank 4 is horizontal tank.Withdrawing can 5 is vertical type cylinder shape withdrawing can.
As shown in Figure 1, the incrustation scale chemical processing device in geothermal system is implemented as follows:
A, close geothermal well 1 water outlet, closure systems is transported to the port of downstream user, opens the outlet valve 10 of scale remover storage tank 4, makes scale remover enter successively system for geothermal production of electricity;
B, close the inlet valve 11 of withdrawing can 5, ON cycle pump 3 circulates scale remover between system for geothermal production of electricity and pipeline;
C, circulation for some time, when incrustation scale and scale remover react completely, bubble reduces while even stopping, close the outlet valve 10 of scale remover storage tank 4, open the inlet valve 11 of withdrawing can 5, reacted incrustation scale liquid is stored into withdrawing can 5, be sent to the impurity removal process such as next step fractional crystallization;
D, open geothermal well 1 water outlet, allow GEOTHERMAL WATER rinse for some time between system for geothermal production of electricity, wash away remaining scale remover and react residual thing;
E, rinsed after, close the inlet valve of withdrawing can 5, close recycle pump 3, open the second valve 9 of transporting to the downstream user port, complete an incrustation scale and remove.
As shown in Figure 2, the prevention of the ion exchange resin in a kind of geothermal system of the implementation case incrustation scale device is implemented as follows:
A, open the water-in of the first resin container 6, close the water-in of the second resin container 7, make, from the GEOTHERMAL WATER of geothermal well 1 outlet first resin container 6 of flowing through, to carry out cationic exchange, remove mineral ion wherein;
After b, the ion exchange resin in the first resin container 6 lost efficacy, close the water-in of the first resin container, open the water-in of the second resin container 7, make from the GEOTHERMAL WATER of geothermal well 1 outlet second resin container 7 of flowing through, carry out cationic exchange, remove mineral ion wherein;
C, in the first resin container 6, inject regenerator, the mineral ion adsorbed in wash-out ion exchange resin, make it recover exchange capacity;
D, in like manner, after the second resin container 7 lost efficacy, be switched to the first resin container 6, to injecting regenerator in the second resin container 7, makes it recover exchange capacity.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described.Although with reference to embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, the technical solution of the utility model is modified or is equal to replacement, do not break away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. the geothermal system with scale treatment and prevent mean, it is characterized in that: comprise geothermal well, system for geothermal production of electricity, scale treatment device and prevention of fouling device, be provided with the first valve on the rising pipe of described geothermal well, be provided with the second valve on water pipe between described system for geothermal production of electricity and downstream user port, the water side of described the first valve respectively with the water-in of described scale treatment device, the water-in of described prevention of fouling device is connected with the water-in of described system for geothermal production of electricity, the water outlet of described prevention of fouling device, the water outlet of described scale treatment device all is connected with the feed-water end of described the second valve with the water outlet of described system for geothermal production of electricity.
2. a kind of geothermal system with scale treatment and prevent mean according to claim 1, it is characterized in that: described scale treatment device comprises recycle pump, scale remover storage tank, withdrawing can, be provided with outlet valve on described scale remover storage tank, the water side of described outlet valve is connected with the water side of described the first valve with the water-in of the feed-water end of described recycle pump, described system for geothermal production of electricity, be provided with inlet valve on described withdrawing can, the feed-water end of described inlet valve is connected with the water side of described recycle pump and the water outlet of described system for geothermal production of electricity respectively.
3. a kind of geothermal system with scale treatment and prevent mean according to claim 1, it is characterized in that: described prevention of fouling device comprises the first resin container and the second resin container, the water-in of the water-in of described the first resin container and the second resin container all is connected with the water side of described the first valve, and the water outlet of the water outlet of described the first resin container and the second resin container all is connected with the water-in of described system for geothermal production of electricity.
4. according to the described a kind of geothermal system with scale treatment and prevent mean of any one in claims 1 to 3, it is characterized in that: described system for geothermal production of electricity comprises a plurality of geothermal power generating devices.
5. a kind of geothermal system with scale treatment and prevent mean according to claim 2, it is characterized in that: described recycle pump is the screw rod recycle pump.
6. a kind of geothermal system with scale treatment and prevent mean according to claim 2, it is characterized in that: described scale remover storage tank is horizontal tank.
7. a kind of geothermal system with scale treatment and prevent mean according to claim 2, it is characterized in that: described withdrawing can is vertical type cylinder shape withdrawing can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203582293U CN203319745U (en) | 2013-06-21 | 2013-06-21 | Geothermal system with limescale treatment and prevention devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203582293U CN203319745U (en) | 2013-06-21 | 2013-06-21 | Geothermal system with limescale treatment and prevention devices |
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| Publication Number | Publication Date |
|---|---|
| CN203319745U true CN203319745U (en) | 2013-12-04 |
Family
ID=49659114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203582293U Expired - Lifetime CN203319745U (en) | 2013-06-21 | 2013-06-21 | Geothermal system with limescale treatment and prevention devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203319745U (en) |
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2013
- 2013-06-21 CN CN2013203582293U patent/CN203319745U/en not_active Expired - Lifetime
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