CN111854472B - Water storage type geothermal heat exchange device - Google Patents
Water storage type geothermal heat exchange device Download PDFInfo
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- CN111854472B CN111854472B CN202010754279.8A CN202010754279A CN111854472B CN 111854472 B CN111854472 B CN 111854472B CN 202010754279 A CN202010754279 A CN 202010754279A CN 111854472 B CN111854472 B CN 111854472B
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- heat exchange
- water
- box body
- outlet pipe
- box
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
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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
- F28F17/00—Removing ice or water from heat-exchange apparatus
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a water storage type geothermal heat exchange device which comprises a box body, a heat exchange mechanism, a first water outlet pipe, a second water outlet pipe, a first water inlet pipe, a second water inlet pipe, a water storage tank, a heat exchange tank and a heat exchange pipe. The invention has the beneficial effects that: outside water source can get into the inside circulation of heat exchange tube through first inlet tube, and deposit inside the aqua storage tank, use through first outlet pipe discharge, local hot water gets into the inside back of second inlet tube, can deposit in heat transfer inslot portion, and heat a plurality of heat exchange tubes, make the inside water source of heat transfer tube carry out the heat exchange, and use hot water discharge, can contradict the leather plug after the geothermal water of heat transfer inslot portion reaches certain pressure, make the leather plug break away from to remove under compression spring's the effect, make geothermal water discharge through the second outlet pipe, control through leather plug and conflict spring is favorable to making the geothermal water of heat transfer inslot portion stay temporarily, the hot-time of extension geothermal water to the heat exchange tube, the efficiency of heat transfer has been improved.
Description
Technical Field
The invention relates to a heat exchange device, in particular to a water storage type geothermal heat exchange device, and belongs to the technical field of geothermal energy conversion.
Background
Geothermal energy is natural heat energy extracted from the earth's crust, from lava rock inside the earth, in the form of heat, which is energy that causes volcanic eruptions and earthquakes, and the temperature inside the earth is as high as 7000 c, and drops to 650 to 1200 c at depths of 80 to 100 miles. Through the flow of groundwater and the gushing of lava to the crust 1 to 5 km from the ground, the heat is transferred closer to the ground. The hot lava heats up the nearby ground water which eventually seeps out of the ground, using geothermal energy in the simplest and most cost-effective way of directly taking the heat source and extracting its energy.
Geothermal energy's heat is very high, in order to extract, need utilize heat transfer device to carry out the heat transfer with geothermal energy and outside pipeline to advance the heat and extract, traditional heat transfer device nevertheless is direct to contact with the geothermal water that flows, and the geothermal water heat that so flows changes greatly, thereby heat exchange efficiency is low, causes unnecessary extravagant.
Disclosure of Invention
The present invention is directed to solving the above problems, and an object of the present invention is to provide a water storage type geothermal heat exchanger, which can store geothermal water and discharge the geothermal water at regular time, so that the contact heat between the geothermal water and the heat exchanger is uniform, and the pipe heat efficiency is improved.
The invention realizes the aim through the following technical scheme, and the water storage type geothermal heat exchange device comprises a box body and a heat exchange mechanism arranged in the box body, wherein the heat exchange mechanism comprises a first water outlet pipe, a second water outlet pipe, a first water inlet pipe, a second water inlet pipe, a water storage tank, a heat exchange tank and a heat exchange pipe; the top side of the side wall of one end of the box body is provided with the first water inlet pipe, the top side of the side wall of the other end of the box body is provided with the first water outlet pipe, and the first water outlet pipe is communicated with the inside of the water storage tank; the second water inlet pipe is arranged on the bottom side of the side wall at one end of the box body, the second water outlet pipe is arranged on the bottom side of the side wall at the other end of the box body, the second water inlet pipe is communicated with the bottom side of the interior of the heat exchange groove, and the second water outlet pipe is communicated with the inner side of the top of the heat exchange groove; the plurality of heat exchange tubes are of S-shaped structures, are arranged in the heat exchange grooves at equal intervals, one ends of the plurality of heat exchange tubes penetrate through the box body and are connected with the first water inlet pipe, and the other ends of the plurality of heat exchange tubes are communicated with the inside of the water storage groove; a flow retarding mechanism is arranged in the side wall of the other end of the box body, the flow retarding mechanism comprises a compression spring and a leather plug, the leather plug is arranged in the side wall of the other end of the box body, the compression spring is arranged at the top of the leather plug, and the leather plug is connected with the inside of the box body in a sliding manner through the compression spring; the bottom of the leather plug is communicated with the inside of the heat exchange groove, and one side of the leather plug is communicated with the second water outlet pipe.
Preferably, in order to filter the debris grit to the inside geothermal water and deposit, collection mechanism is installed to the bottom inboard of box, collection mechanism includes the receiver, the receiver with the inboard sliding connection in bottom of box, the one end of receiver extends to the outside of box, the inside of receiver with the heat transfer groove with the second inlet tube intercommunication.
Preferably, in order to play filterable effect, collect the mechanism and still include the filter screen, the filter screen install in the one end bottom of box is inboard, just the second inlet tube passes through the filter screen with the inside bottom side intercommunication of heat transfer groove, the filter screen with the contained angle is 45 degrees between the receiver.
Preferably, in order to play sealed effect, prevent that geothermal water from spilling over, the collection mechanism still includes the leather packing, the leather packing install in the other end bottom of box is inboard, just the one end lateral wall of receiver with the inboard sliding connection of leather packing.
Preferably, for convenient right the receiver is taken out, collect the mechanism and still include the handle, the handle is cylindrical structure, just the handle install in the one end lateral wall center department of receiver.
Preferably, in order to make the bayonet lock can reset and conflict shutting, the one end lateral wall internally mounted of receiver has bayonet lock and conflict spring, the bayonet lock with the inside sliding connection of one end lateral wall of receiver, the one end top of bayonet lock with the handle is connected, the one end lateral wall of bayonet lock is installed the conflict spring, just the bayonet lock with the handle passes through the conflict spring with the inside sliding connection of receiver lateral wall.
Preferably, in order to make the bayonet lock can be contradicted and is blocked spacingly, it still includes the draw-in groove to collect the mechanism, the other end lateral wall of box is inside to be equipped with the draw-in groove, the other end of bayonet lock is the triangle-shaped structure, the other end of bayonet lock run through in the receiver with the inside conflict of draw-in groove.
The invention has the beneficial effects that: according to the invention, an external water source enters the heat exchange tube through the first water inlet tube to circulate, and is stored in the water storage tank, and is discharged for use through the first water outlet tube, local hot water enters the second water inlet tube and is stored in the heat exchange tank, and the plurality of heat exchange tubes are heated, so that the water source in the heat exchange tube performs heat exchange, and hot water is discharged for use, geothermal water in the heat exchange tank can collide against the leather plug after reaching a certain pressure, so that the leather plug can move under the action of the compression spring, the geothermal water is discharged through the second water outlet tube, the geothermal water in the heat exchange tank can be kept temporarily under the control of the leather plug and the collision spring, the heating time of the geothermal water on the heat exchange tubes is prolonged, and the heat exchange efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connection structure of the heat exchange mechanism and the collection mechanism shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of a portion B shown in fig. 2.
In the figure: 1. the box, 2, heat transfer mechanism, 21, first outlet pipe, 22, second outlet pipe, 23, first inlet tube, 24, second inlet tube, 25, aqua storage tank, 26, heat transfer tank, 27, heat exchange tube, 3, collection mechanism, 31, receiver, 32, handle, 33, filter screen, 34, leather packing, 35, bayonet lock, 36, draw-in groove, 37, conflict spring, 4, slow flow mechanism, 41, compression spring, 42, leather plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an impounding geothermal heat exchange device comprises a box body 1 and a heat exchange mechanism 2 installed inside the box body 1, wherein the heat exchange mechanism 2 comprises a first water outlet pipe 21, a second water outlet pipe 22, a first water inlet pipe 23, a second water inlet pipe 24, a water storage tank 25, a heat exchange tank 26 and a heat exchange pipe 27, the water storage tank 25 is arranged on the top side inside the box body 1, and the heat exchange tank 26 is arranged on the inner side of the bottom of the box body 1; the top side of the side wall of one end of the box body 1 is provided with the first water inlet pipe 23, the top side of the side wall of the other end of the box body 1 is provided with the first water outlet pipe 21, and the first water outlet pipe 21 is communicated with the inside of the water storage tank 25; the second water inlet pipe 24 is installed on the bottom side of the side wall at one end of the box body 1, the second water outlet pipe 22 is installed on the bottom side of the side wall at the other end of the box body 1, the second water inlet pipe 24 is communicated with the bottom side of the interior of the heat exchange groove 26, and the second water outlet pipe 22 is communicated with the inner side of the top of the heat exchange groove 26; the plurality of heat exchange tubes 27 are of an S-shaped structure, the plurality of heat exchange tubes 27 are arranged in the heat exchange groove 26 at equal intervals, one end of each heat exchange tube 27 penetrates through the box body 1 and is connected with the first water inlet tube 23, and the other end of each heat exchange tube 27 is communicated with the inside of the water storage groove 25; a slow flow mechanism 4 is arranged inside the side wall of the other end of the box body 1, the slow flow mechanism 4 comprises a compression spring 41 and a leather plug 42, the leather plug 42 is arranged inside the side wall of the other end of the box body 1, the compression spring 41 is arranged at the top of the leather plug 42, and the leather plug 42 is in sliding connection with the inside of the box body 1 through the compression spring 41; the bottom of the leather plug 42 is communicated with the inside of the heat exchange groove 26, and one side of the leather plug 42 is communicated with the second water outlet pipe 22.
As a technical optimization scheme of the present invention, a collecting mechanism 3 is installed on the inner side of the bottom of the box body 1, the collecting mechanism 3 includes a receiving box 31, the receiving box 31 is slidably connected to the inner side of the bottom of the box body 1, one end of the receiving box 31 extends to the outer side of the box body 1, and the inside of the receiving box 31 is communicated with the heat exchange groove 26 and the second water inlet pipe 24.
As a technical optimization scheme of the invention, the collecting mechanism 3 further comprises a filter screen 33, the filter screen 33 is installed at the inner side of the bottom of one end of the box body 1, the second water inlet pipe 24 is communicated with the bottom side of the interior of the heat exchange groove 26 through the filter screen 33, and an included angle between the filter screen 33 and the storage box 31 is 45 degrees.
As a technical optimization scheme of the invention, the collecting mechanism 3 further comprises a leather pad 34, the leather pad 34 is installed at the inner side of the bottom of the other end of the box body 1, and the side wall of one end of the containing box 31 is connected with the inner side of the leather pad 34 in a sliding manner.
As a technical optimization of the present invention, the collecting mechanism 3 further comprises a handle 32, the handle 32 is a cylindrical structure, and the handle 32 is installed at the center of one end side wall of the storage box 31.
As a technical optimization scheme of the present invention, the bayonet pin 35 and the abutting spring 37 are installed inside a side wall of one end of the storage box 31, the bayonet pin 35 is connected with the inside of the side wall of one end of the storage box 31 in a sliding manner, the top of one end of the bayonet pin 35 is connected with the handle 32, the abutting spring 37 is installed on the side wall of one end of the bayonet pin 35, and the bayonet pin 35 and the handle 32 are connected with the inside of the side wall of the storage box 31 in a sliding manner through the abutting spring 37.
As a technical optimization scheme of the invention, the collecting mechanism 3 further comprises a clamping groove 36, the clamping groove 36 is arranged in the side wall of the other end of the box body 1, the other end of the clamping pin 35 is of a triangular structure, and the other end of the clamping pin 35 penetrates through the storage box 31 and is abutted against the inside of the clamping groove 36.
When the invention is used, firstly, the first water inlet pipe 23 is communicated with an external pipeline, the first water outlet pipe 21 is communicated with an external drainage pipeline, then the geothermal water pipeline is connected with the second water inlet pipe 24, the external pipeline is communicated with the second water outlet pipe 22, an external water source enters the heat exchange pipes 27 through the first water inlet pipe 23 to circulate and is stored in the water storage tank 25, meanwhile, the geothermal water is discharged for use through the first water outlet pipe 21, after entering the second water inlet pipe 24, the geothermal water is filtered under the action of the filter screen 33, so that sand and stone are isolated and enter the storage box 31 to be stored, meanwhile, the filtered geothermal water enters the heat exchange grooves 26 to be stored, and the heat exchange pipes 27 are heated, so that the water source in the heat exchange pipes 27 is subjected to heat exchange, the hot water is discharged for use, the geothermal water in the heat exchange grooves 26 reaches a certain pressure and then collides with the leather plug 42, thereby make leather plug 42 break away from under compression spring 41's the effect and remove, make geothermal water discharge through second outlet pipe 22, when the inside gravel pile of receiver 31 is too much, through pressing down handle 32, thereby make handle 32 drive bayonet lock 35 break away from gliding under the effect of contradiction spring 37, thereby make bayonet lock 35 and draw-in groove 36 break away from, then pulling handle 32, make receiver 31 conveniently take out, be favorable to cleaing away the grit of receiver 31 inside, insert box 1 bottom inboard with it after the clearance, and spacing shutting under bayonet lock 35 and draw-in groove 36's effect, convenient follow-up filtration is accomodate.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides an retaining formula geothermol power heat transfer device, includes box (1) and install in box (1) inside heat transfer mechanism (2), its characterized in that: the heat exchange mechanism (2) comprises a first water outlet pipe (21), a second water outlet pipe (22), a first water inlet pipe (23), a second water inlet pipe (24), a water storage tank (25), a heat exchange tank (26) and a heat exchange pipe (27), the water storage tank (25) is arranged on the top side of the interior of the box body (1), and the heat exchange tank (26) is arranged on the inner side of the bottom of the box body (1); the top side of the side wall of one end of the box body (1) is provided with the first water inlet pipe (23), the top side of the side wall of the other end of the box body (1) is provided with the first water outlet pipe (21), and the first water outlet pipe (21) is communicated with the inside of the water storage tank (25); the second water inlet pipe (24) is mounted on the bottom side of the side wall at one end of the box body (1), the second water outlet pipe (22) is mounted on the bottom side of the side wall at the other end of the box body (1), the second water inlet pipe (24) is communicated with the bottom side of the interior of the heat exchange groove (26), and the second water outlet pipe (22) is communicated with the inner side of the top of the heat exchange groove (26); the plurality of heat exchange tubes (27) are of S-shaped structures, the plurality of heat exchange tubes (27) are arranged in the heat exchange groove (26) at equal intervals, one ends of the plurality of heat exchange tubes (27) penetrate through the box body (1) and are connected with the first water inlet tube (23), and the other ends of the plurality of heat exchange tubes (27) are communicated with the inside of the water storage groove (25); a slow flow mechanism (4) is arranged inside the side wall of the other end of the box body (1), the slow flow mechanism (4) comprises a compression spring (41) and a leather plug (42), the leather plug (42) is arranged inside the side wall of the other end of the box body (1), the compression spring (41) is arranged at the top of the leather plug (42), and the leather plug (42) is in sliding connection with the inside of the box body (1) through the compression spring (41); the bottom of the leather plug (42) is communicated with the interior of the heat exchange groove (26), and one side of the leather plug (42) is communicated with the second water outlet pipe (22);
a collecting mechanism (3) is installed on the inner side of the bottom of the box body (1), the collecting mechanism (3) comprises a storage box (31), the storage box (31) is connected with the inner side of the bottom of the box body (1) in a sliding mode, one end of the storage box (31) extends to the outer side of the box body (1), and the interior of the storage box (31) is communicated with the heat exchange groove (26) and the second water inlet pipe (24);
the collecting mechanism (3) further comprises a filter screen (33), the filter screen (33) is installed on the inner side of the bottom of one end of the box body (1), the second water inlet pipe (24) is communicated with the bottom side of the interior of the heat exchange groove (26) through the filter screen (33), and an included angle between the filter screen (33) and the storage box (31) is 45 degrees;
the collecting mechanism (3) further comprises a leather pad (34), the leather pad (34) is installed on the inner side of the bottom of the other end of the box body (1), and the side wall of one end of the containing box (31) is connected with the inner side of the leather pad (34) in a sliding mode;
the collecting mechanism (3) further comprises a handle (32), the handle (32) is of a cylindrical structure, and the handle (32) is installed at the center of one end side wall of the storage box (31).
2. An impoundment type geothermal heat exchange device according to claim 1, wherein: one end lateral wall internally mounted of receiver (31) has bayonet lock (35) and conflict spring (37), bayonet lock (35) with the inside sliding connection of one end lateral wall of receiver (31), the one end top of bayonet lock (35) with handle (32) are connected, install the one end lateral wall of bayonet lock (35) conflict spring (37), just bayonet lock (35) with handle (32) are passed through conflict spring (37) with receiver (31) lateral wall inside sliding connection.
3. An impoundment type geothermal heat exchange device according to claim 2, wherein: collect mechanism (3) and still include draw-in groove (36), the other end lateral wall of box (1) is inside to be equipped with draw-in groove (36), the other end of bayonet lock (35) is the triangle-shaped structure, the other end of bayonet lock (35) run through in receiver (31) with draw-in groove (36) inside is contradicted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754279.8A CN111854472B (en) | 2020-07-30 | 2020-07-30 | Water storage type geothermal heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754279.8A CN111854472B (en) | 2020-07-30 | 2020-07-30 | Water storage type geothermal heat exchange device |
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| Publication Number | Publication Date |
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| CN111854472A CN111854472A (en) | 2020-10-30 |
| CN111854472B true CN111854472B (en) | 2022-01-11 |
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| CN202010754279.8A Active CN111854472B (en) | 2020-07-30 | 2020-07-30 | Water storage type geothermal heat exchange device |
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| CN112283055A (en) * | 2020-11-12 | 2021-01-29 | 王润枝 | Utilize geothermal energy electricity generation's power generation facility that has anti-clogging function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061184A (en) * | 1976-10-28 | 1977-12-06 | Ebco Manufacturing Company | Heat exchanger for a refrigerated water cooler |
| JPH10267589A (en) * | 1997-03-19 | 1998-10-09 | Sanden Corp | Heat-exchanger |
| EP0927570A1 (en) * | 1997-12-24 | 1999-07-07 | Livio Calligaris | Air drier with cooling system for compressed air |
| CN205918500U (en) * | 2016-07-08 | 2017-02-01 | 上海卓易科技股份有限公司 | Automatic constant pressure water tank lid |
| CN108225053A (en) * | 2018-03-16 | 2018-06-29 | 郑州龙威电气安装有限公司 | A kind of energy-saving and high efficient heat exchanger |
| CN209630706U (en) * | 2018-03-27 | 2019-11-15 | 佛山市晋晟环保设备有限公司 | One kind is for silt filtering apparatus in sewage |
-
2020
- 2020-07-30 CN CN202010754279.8A patent/CN111854472B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061184A (en) * | 1976-10-28 | 1977-12-06 | Ebco Manufacturing Company | Heat exchanger for a refrigerated water cooler |
| JPH10267589A (en) * | 1997-03-19 | 1998-10-09 | Sanden Corp | Heat-exchanger |
| EP0927570A1 (en) * | 1997-12-24 | 1999-07-07 | Livio Calligaris | Air drier with cooling system for compressed air |
| CN205918500U (en) * | 2016-07-08 | 2017-02-01 | 上海卓易科技股份有限公司 | Automatic constant pressure water tank lid |
| CN108225053A (en) * | 2018-03-16 | 2018-06-29 | 郑州龙威电气安装有限公司 | A kind of energy-saving and high efficient heat exchanger |
| CN209630706U (en) * | 2018-03-27 | 2019-11-15 | 佛山市晋晟环保设备有限公司 | One kind is for silt filtering apparatus in sewage |
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| CN111854472A (en) | 2020-10-30 |
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Effective date of registration: 20211223 Address after: 264000 No. A202, yedazhi Huigu incubator, No. 300, Changjiang Road, Yantai Development Zone, China (Shandong) pilot Free Trade Zone, Yantai, Shandong Applicant after: Shandong free trade zone jinzhe New Energy Technology Co.,Ltd. Address before: 415000 new Sanxiang new energy, 22 / F, building 3, block B, Wanda Plaza, 1099 zaoguo Road, Wuling District, Changde City, Hunan Province Applicant before: Gao Yusheng |
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