CN203736974U - Economic sandstone geothermal tail water recharging system - Google Patents
Economic sandstone geothermal tail water recharging system Download PDFInfo
- Publication number
- CN203736974U CN203736974U CN201420115027.0U CN201420115027U CN203736974U CN 203736974 U CN203736974 U CN 203736974U CN 201420115027 U CN201420115027 U CN 201420115027U CN 203736974 U CN203736974 U CN 203736974U
- Authority
- CN
- China
- Prior art keywords
- geothermal
- water
- tail water
- economic
- sandstone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000007872 degassing Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 2
- 230000001186 cumulative effect Effects 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- XLYOFNOQVPJJNP-PWCQTSIFSA-N Tritiated water Chemical compound [3H]O[3H] XLYOFNOQVPJJNP-PWCQTSIFSA-N 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to an economic sandstone geothermal tail water recharging system which comprises a geothermal well and mainly adopts a geothermal water sand removal device, a water diversion/collection device, a heat exchange device, variable-frequency pressurizing devices, a degassing device, a tail water filtering device and an electric control valve. The economic sandstone geothermal tail water recharging system has the benefits that the switching of exploitation and recharging functions of the geothermal well is realized through the adjustment of the system, the cumulative jam caused by long-term recharging to the single-mouth geothermal well is eliminated, and long-term recharging is ensured; with the adoption of a standby filtering device, the sustainability and the continuity in the recharging process are ensured. The economic sandstone geothermal tail water recharging system is suitable for sandstone formations in different regions; with the adoption of the economic sandstone geothermal tail water recharging system, tail water after the comprehensive utilization of geothermal energy can be economically and effectively recharged, so that the sustainable development of geothermal exploitation and utilization is ensured.
Description
Technical field
The utility model belongs to Geothermal Exploitation and Utilization field, is specifically related to sandstone underground heat tail water and recharges.
Technical background
Geothermal energy resources are included " 12 " ENERGY PLANNING in as a kind of regenerative resource.How making good use of geothermal energy resources is one of ideal choses of current energy-saving and emission-reduction.
GEOTHERMAL WATER is carried out heat exchange utilization from exploitation in stratum to ground, the operating modes such as the temperature of GEOTHERMAL WATER, pressure change, and the GEOTHERMAL WATER component after contacting with air changes, recharge the obstruction that has formed different origins in process in the storage of sandstone heat, causing the interior underground heat tail water of sandstone heat storage to recharge flow reduces, recharge Efficiency Decreasing, even can not recharge.
Existing backflow device substantially recharges series connection of pumps by filter, exhaust apparatus and pressurization and forms.As a whole, the backflow device using at present mainly contains following characteristics: (1) is cascade filtration, and front and back stages precision setting span is too large, because the contained suspended particle grade of underground heat tail water scope is wide, this type of facility easily causes filter live load in running excessive; On the other hand, although through filtering, after recharging for a long time, obstruction in various degree also can occur inverted well causes and recharges Efficiency Decreasing.(2) backflow device fails exploitation to design to recharging the whole consideration of whole system, causes pipeline hydraulic regime to have phase mutual interference.(3) in the use procedure of quartz sand tank filter, meet that salinity is high, the GEOTHERMAL WATER of complicated component easily causes agllutination, can reduce filter effect, and easy cleaning not.Nitrogen protection device and quartz sand tank take up an area excessive, are difficult for large-scale promotion and use.
Utility model content
The technical problems to be solved in the utility model is to provide the economic recharge system of sandstone underground heat tail water, mainly to adopt advanced design concept, be embodied as (1) this recharge system for Size Distribution particles contained in underground heat tail water, correspondence arranges thick effect, middle effect, three main grain size categories of essence effect filter.(2) whole system seal is good, avoids air contact to produce chemistry, biological obstruction.(3) this recharge system by adjust wellhead assembly-minute or water collector-valve, and switch geothermal well duty, realize geothermal well exploitation and the conversion of recharging function.Former inverted well is converted to producing well while exploiting work, and GEOTHERMAL WATER is infiltrated in pit shaft by formation pore, through immersible pump swabbing action, can effectively remove the former obstruction of recharging formation in nearly pit shaft area, reaches the object of recharging for a long time.This mentality of designing has very strong practicality, greatly reduces the difficulty of the obstruction cleaning while recharging, nearly pit shaft area in stratum being formed, and has reduced the expenditure of recharging operating cost in process, has improved the efficiency of recharging.(4) this recharge system is done the as a whole design of considering exploiting-recharge whole process, recharge system is designed with self-checking device, when exploiting and recharging flow or pressure oscillation, by self-con-tained unit, regulate pressure versus flow, guarantee to recharge and produce a non-interference.(5) first the underground heat tail water of the heat exchange port of export discharge the dissolved gas in tail water in exhaust tank, then enters follow-up equipment.This design is avoided underground heat tail water to discharge gas filtering, in the process of pressurization filter being resulted in blockage or force (forcing) pump is caused to cavitation erosion, also avoiding using nitrogen protection device again.
For achieving the above object, the technical solution of the utility model is as follows:
The economic recharge system of sandstone underground heat tail water, it comprises:
At least one group of geothermal well, GEOTHERMAL WATER desanding device, minute or water collector, heat-exchanger rig, frequency conversion pressue device, depassing unit, tail water filter and electric control valve;
Wherein, described geothermal well is connected with described GEOTHERMAL WATER desanding device, described GEOTHERMAL WATER desanding device passes through described minute or water collector is connected with described heat-exchanger rig, described heat-exchanger rig is connected with electric control valve with described frequency conversion pressue device respectively, described frequency conversion pressue device is connected with described tail water filter by depassing unit, and described frequency conversion pressue device is connected with described minute or water collector, tail water filter and electric control valve respectively.
Preferably, described geothermal well is at least one group and has exploitation and recharge the geothermal well of function.
Preferably, described minute or water collector are arranged to be had exploitation and recharges between the geothermal well of function, for adopting, fills with conversion and system pipeline exchange function.
Preferably, described geothermal well well head and described minute or water collector key node position are equipped with valve, and described GEOTHERMAL WATER desanding device and described minute or water collector are provided with pressure monitor, temperature monitoring and flow monitor.
Preferably, described frequency conversion pressue device is comprised of frequency converter and force (forcing) pump, and wherein said frequency conversion pressue device is connected with described minute or water collector, and the final underground heat tail water of processing pours into inverted well by described minute or water collector.
Preferably, described tail water filter is comprised of the different filter of three-stage filtration precision, and wherein filters at different levels distribute its filtering accuracy is set according to suspension particle diameter in underground heat tail water.
Preferably, described electric control valve is provided with the actuator FCE that controlled by external signal, and force (forcing) pump is regulated and controled by the frequency converter that controlled by external signal.
Preferably, described filter 7A and filter 7B are equipped with reserve filter.
The beneficial effects of the utility model are:
1, by three-stage filtration, effectively filter the sediment of different-grain diameter, reduce the throughput of fine particle, alleviate essence effect filter live load;
2, by pressure signal rapid feedback, auto-adjustment control, overcomes the pipeline hydraulic regime interference problem between inverted well and recovery well;
3, by wellhead assembly-minute or the combination of water collector-valve adjust, realize fast geothermal well and produce and the mutual switching of recharging function, effectively remove geothermal well and recharge for a long time the accumulation causing and stop up;
4, be rationally provided with the position of degassing tank, guarantee that degassing tank, all the time in malleation operating mode, prevents that air from entering system;
5, from recovery well to inverted well, whole pipe-line system is good in seal, avoids, because GEOTHERMAL WATER contacts with air, forming various obstructions;
6, filter adopts the using and the reserved, and the use reserve filter that can automatically switch when filter needs long-time cleaning or maintenance, guarantees to recharge continuously not interrupt;
7, a whole set of recharge system deft design, fitting operation is easy, and operation maintenance is simple.
Accompanying drawing explanation
By following detailed description and accompanying drawing, can understand the utility model completely, detailed explanation and accompanying drawing are example rather than restriction of the present utility model.
Accompanying drawing 1 is the embodiment schematic diagram of the economic recharge system of the utility model sandstone underground heat tail water.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
The technical problems to be solved in the utility model is to provide the economic recharge system of sandstone underground heat tail water as shown in Figure 1, and it comprises:
At least one group of geothermal well (1), GEOTHERMAL WATER desanding device (2), minute or water collector (3,9), heat-exchanger rig (4), frequency conversion pressue device (5,8), depassing unit (6), tail water filter (7) and electric control valve (10);
Wherein, described geothermal well (1) is connected with described GEOTHERMAL WATER desanding device (2), described GEOTHERMAL WATER desanding device (2) passes through described minute or water collector (3) is connected with described heat-exchanger rig (4), described heat-exchanger rig (4) is connected with electric control valve (10) with described frequency conversion pressue device (5) respectively, described frequency conversion pressue device (5) is connected with described tail water filter (7) by depassing unit (6), and described frequency conversion pressue device (8) is connected with described minute or water collector (9), tail water filter (7) and electric control valve (10) respectively.
Described geothermal well (1) is at least one group to be had exploitation and recharges the geothermal well of function.
Described minute or water collector (3,9) are arranged to be had exploitation and recharges between the geothermal well of function, for adopting, fills with conversion and system pipeline exchange function.
Described geothermal well (1) well head and described minute or water collector (3,9) key node position is equipped with valve, described GEOTHERMAL WATER desanding device (2) and described minute or water collector (3,9) are provided with pressure monitor (101), temperature monitoring (102) and flow monitor (103).
Described frequency conversion pressue device (5,8) by frequency converter (104) and force (forcing) pump (105), formed, wherein said frequency conversion pressue device (8) is connected with described minute or water collector (9), and the final underground heat tail water of processing pours into inverted well by described minute or water collector (9).
Described tail water filter (7) is comprised of the different filter of three-stage filtration precision (7A, 7B, 7C), and wherein filters at different levels distribute its filtering accuracy is set according to suspension particle diameter in underground heat tail water.
Described electric control valve (10) is provided with the actuator FCE that controlled by external signal, and force (forcing) pump (104) is by frequency converter (105) regulation and control that controlled by external signal.
Described filter (7A, 7B) is equipped with reserve filter.
If any one group of geothermal well, in conjunction with Fig. 1, concrete implementation is as follows: when work, if BADIRE well 1# is as recovery well, geothermal well 2# is as inverted well.V1, V4, V6, V7 valve opening, V2, V3, V5, V8 valve closing, the process of recharging is as follows:
GEOTHERMAL WATER is divided or water collector (3) by inputting after GEOTHERMAL WATER desanding device (2) desanding in machine room extracting out by immersible pump P1 in geothermal well 1#; Follow the GEOTHERMAL WATER of extracting after heat by heat-exchanger rig (4) and enter depassing unit (6) through frequency conversion pressue device (5) pressurization, operation can be avoided gas to enter stratum and form obstruction thus; GEOTHERMAL WATER after degasification is again through being provided with the tail water filter (7) of the different filters of three-stage filtration precision (7A, 7B, 7C); Underground heat tail water after filtration by minute or water collector (9) after naturally recharge the geothermal well to 2#.Recharge process and can, by injecting inverted well after frequency conversion pressue device (8) pressurization, complete the whole process of recharging as need pressurize.
After first Heating Season, in geothermal well 2# (inverted well), nearly pit shaft area forms the tamper that cannot eliminate by economically feasible means, therefore at next Heating Season, can convert former geothermal well 1# to inverted well by adjustment System, geothermal well 2# converts recovery well to.V1, V4, V6, V7 valve closing, V2, V3, V5, V8 valve opening, the process of recharging can change immersible pump P2 into and pump the interior geothermal water reinjection of 2# geothermal well (the front inverted well of conversion) to 1# geothermal well (recovery well before conversion), and effectively the accumulation obstruction producing in the nearly pit shaft area causing is recharged in removing for a long time thus.
In whole process, recharge force (forcing) pump (105) and be VFC.At the front electric control valve (10) that is connected with of frequency conversion pressue device (5), by pressure signal P A, the actuator FCE of force (forcing) pump frequency converter (104) and electric control valve (10) is carried out to PID control, auto-adjustment control operating condition when exploiting or recharging flow, pressure oscillation.While raising the amount of recharging decline as inverted well internal pressure, PA increases, and now electric control valve (10) aperture increases, and augmented flow makes pressure P A value be reduced to setting numerical value, and vice versa.When recovery well is drawn water flow rising or decline, pressure P A rises thereupon or declines, this pressure signal automatic lifting frequency of force (forcing) pump frequency converter (104) linkage.When recovery well flow rises, PA raises, and the automatic raising frequency of force (forcing) pump increases the amount of recharging; When recovery well flow reduces, PA reduces, and the automatic frequency reducing of force (forcing) pump can prevent water pump idle running and cavitates and reduce a large amount of unnecessary power consumption.The waterpower of having eliminated between inverted well and producing well is disturbed.
More than show and described basic principle of the present utility model and
feature and advantage of the present utility model.Wherein above-mentioned statement is carried out to similar replacement and the apparent change of this area utility model people all belongs to protection domain of the present utility model; also there is other similar technical schemes in the utility model; all be not restricted to the described embodiments, the utility model is claimed to be defined by appending claims and equivalent thereof.
Claims (8)
1. the economic recharge system of sandstone underground heat tail water, it comprises:
At least one group of geothermal well (1), GEOTHERMAL WATER desanding device (2), minute or water collector (3,9), heat-exchanger rig (4), frequency conversion pressue device (5,8), depassing unit (6), tail water filter (7) and electric control valve (10);
Wherein, described geothermal well (1) is connected with described GEOTHERMAL WATER desanding device (2), described GEOTHERMAL WATER desanding device (2) passes through described minute or water collector (3) is connected with described heat-exchanger rig (4), described heat-exchanger rig (4) is connected with electric control valve (10) with described frequency conversion pressue device (5) respectively, described frequency conversion pressue device (5) is connected with described tail water filter (7) by depassing unit (6), and described frequency conversion pressue device (8) is connected with described minute or water collector (9), tail water filter (7) and electric control valve (10) respectively.
2. according to the economic recharge system of sandstone underground heat tail water described in claims 1, it is characterized in that, described geothermal well (1) is at least one group to be had exploitation and recharges the geothermal well of function.
3. according to the economic recharge system of sandstone underground heat tail water described in claims 1 or 2, it is characterized in that, described minute or water collector (3,9) are arranged to be had exploitation and recharges between the geothermal well of function, for adopting, fills with conversion and system pipeline exchange function.
4. according to the economic recharge system of sandstone underground heat tail water described in claims 1, it is characterized in that, described geothermal well (1) well head and described minute or water collector (3,9) key node position is equipped with valve, described GEOTHERMAL WATER desanding device (2) and described minute or water collector (3,9) are provided with pressure monitor (101), temperature monitoring (102) and flow monitor (103).
5. according to the economic recharge system of sandstone underground heat tail water described in claims 1, it is characterized in that, described frequency conversion pressue device (5,8) mainly by frequency converter (104) and force (forcing) pump (105), formed, wherein said frequency conversion pressue device (8) is connected with described minute or water collector (9), and the final underground heat tail water of processing pours into inverted well by described minute or water collector (9).
6. according to the economic recharge system of sandstone underground heat tail water described in claims 1, it is characterized in that, described tail water filter (7) is comprised of the different filter of three-stage filtration precision (7A, 7B, 7C), and wherein filters at different levels distribute its filtering accuracy is set according to suspension particle diameter in underground heat tail water.
7. according to the economic recharge system of sandstone underground heat tail water described in claims 1, it is characterized in that, described electric control valve (10) is provided with the actuator FCE that controlled by external signal, and force (forcing) pump is by frequency converter (105) regulation and control that controlled by external signal.
8. according to the economic recharge system of sandstone underground heat tail water described in claims 5, it is characterized in that, described filter (7A, 7B) is provided with reserve filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115027.0U CN203736974U (en) | 2014-03-13 | 2014-03-13 | Economic sandstone geothermal tail water recharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115027.0U CN203736974U (en) | 2014-03-13 | 2014-03-13 | Economic sandstone geothermal tail water recharging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203736974U true CN203736974U (en) | 2014-07-30 |
Family
ID=51336840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420115027.0U Expired - Lifetime CN203736974U (en) | 2014-03-13 | 2014-03-13 | Economic sandstone geothermal tail water recharging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203736974U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103816714A (en) * | 2014-03-13 | 2014-05-28 | 中石化绿源地热能开发有限公司 | Economical recharge system for sandstone geothermal tail water |
| CN111271899A (en) * | 2020-03-26 | 2020-06-12 | 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) | Hydrothermal geothermal resource development and utilization system and development and utilization method thereof |
| CN112378107A (en) * | 2020-10-10 | 2021-02-19 | 长江勘测规划设计研究有限责任公司 | Intelligent recharge control system and method for geothermal well group |
| CN114146486A (en) * | 2021-12-10 | 2022-03-08 | 中国华能集团清洁能源技术研究院有限公司 | Geothermal water recharging treatment system and method |
-
2014
- 2014-03-13 CN CN201420115027.0U patent/CN203736974U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103816714A (en) * | 2014-03-13 | 2014-05-28 | 中石化绿源地热能开发有限公司 | Economical recharge system for sandstone geothermal tail water |
| CN111271899A (en) * | 2020-03-26 | 2020-06-12 | 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) | Hydrothermal geothermal resource development and utilization system and development and utilization method thereof |
| CN112378107A (en) * | 2020-10-10 | 2021-02-19 | 长江勘测规划设计研究有限责任公司 | Intelligent recharge control system and method for geothermal well group |
| CN114146486A (en) * | 2021-12-10 | 2022-03-08 | 中国华能集团清洁能源技术研究院有限公司 | Geothermal water recharging treatment system and method |
| CN114146486B (en) * | 2021-12-10 | 2023-03-14 | 中国华能集团清洁能源技术研究院有限公司 | Geothermal water recharging treatment system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103816714A (en) | Economical recharge system for sandstone geothermal tail water | |
| CN203736974U (en) | Economic sandstone geothermal tail water recharging system | |
| CN105502752B (en) | Mountain area rainwater potential energy recycling and cleansing and recycling integrated system and rainwater recycle purification method | |
| WO2019218768A1 (en) | Fully-enclosed gas extraction pump energy conservation system employing drag-reducing working fluid | |
| CN202322442U (en) | Micro waste water reverse osmosis water purifier | |
| CN204325008U (en) | A kind of cascade filtration sewage disposal device | |
| CN109372833B (en) | Hydraulic oil intelligent purification system of water conservancy gate hydraulic system | |
| CN203525424U (en) | Coke cutting water recycling device | |
| CN103834754A (en) | Waste-heat utilization triple generation system for blast furnace slag water employing minter process | |
| CN105278330A (en) | Oil sewage treatment system and treatment method based on WebAccess | |
| CN206069599U (en) | A kind for the treatment of of dyeing wastewater equipment | |
| CN208186905U (en) | Water source hot well anti-block system device | |
| CN204752262U (en) | Energy -efficient shallow layer airfloat equipment | |
| CN104310612B (en) | A kind of water purifier with energy saver | |
| CN205856097U (en) | A kind of desliming improves system | |
| CN108489147B (en) | Anti-blocking system device for ground source hydrothermal well | |
| CN202853206U (en) | Well water recharge system | |
| CN202360417U (en) | Water supply device of improved water-ring vacuum pump | |
| CN206752403U (en) | A kind of water pipeline for hydraulic engineering | |
| CN104032054A (en) | Triple co-supply system for utilization of waste heat of blast furnace bottom-filtration-method slag flushing water | |
| CN203558925U (en) | Unpowered rainwater recycling device applicable to high-rise buildings | |
| CN104998443A (en) | Air lifting system special for drainage and sludge discharge in sewage treatment | |
| CN204063652U (en) | For the conduction oil discharge treating system of groove type solar thermo-power station | |
| CN203768381U (en) | Triple supplying system utilizing blast furnace bottom-filtration-process slag-flushing-water waste heat | |
| CN204455148U (en) | A kind of blast furnace slag quenching water waste heat recovery washing slag water switched system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160606 Address after: 712000 Development Building, 4 Zhonghua Road, Xianyang, Shaanxi Patentee after: SINOPEC GREEN ENERGY GEOTHERMAL DEVELOPMENT CO.,LTD. Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: SINOPEC STAR PETROLEUM Co.,Ltd. Address before: 712000 Development Building, 4 Zhonghua Road, Xianyang, Shaanxi Patentee before: SINOPEC GREEN ENERGY GEOTHERMAL DEVELOPMENT CO.,LTD. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: SINOPEC STAR PETROLEUM Co.,Ltd. Patentee after: SINOPEC GREEN ENERGY GEOTHERMAL DEVELOPMENT CO.,LTD. Address before: 712000 Development Building, 4 Zhonghua Road, Xianyang, Shaanxi Patentee before: SINOPEC GREEN ENERGY GEOTHERMAL DEVELOPMENT CO.,LTD. Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC STAR PETROLEUM Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |