CN216238809U - Double-row structural member and device of reclaimed water recycling system - Google Patents
Double-row structural member and device of reclaimed water recycling system Download PDFInfo
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- CN216238809U CN216238809U CN202122651422.3U CN202122651422U CN216238809U CN 216238809 U CN216238809 U CN 216238809U CN 202122651422 U CN202122651422 U CN 202122651422U CN 216238809 U CN216238809 U CN 216238809U
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Abstract
The utility model provides a double structure of reuse of reclaimed water system, includes tee bend type pipe fitting, tee bend type pipe fitting is the main part pipe fitting, be equipped with interior bolt structure in the lower port of main part pipe fitting, the detachable sealing connection of interior bolt structure and main part pipe fitting, during the dismouting, stretch into intraductal operation completion through the upper port of instrument follow main part pipe fitting. The double-row structural component of the water reuse system has the advantages of ingenious conception, novel and simple structure and convenient installation; under normal conditions, the double-row structural member is used for discharging sewage flowing into a toilet floor drain in time; when the water tank needs to be changed and maintained, the double-row structural member is used for discharging reclaimed water in the water tank, and the water tank is reversely poured and drained in a mode of internally pouring the double-row structural member, so that the water tank is convenient to change water, replace or maintain equipment in the water tank and waterproof maintenance operation of the water tank, and the water tank plays a key role in maintaining or repairing a reclaimed water recycling system.
Description
Technical Field
The utility model relates to the technical field of reclaimed water recycling water-saving equipment, in particular to a double-row structural member and a device of a reclaimed water recycling system.
Background
Currently, the existing tee is a T-shaped pipe with three ports, which is used for connecting pipelines in three directions. In daily life, the reclaimed water can be reused for living, and reaches certain standards for greening irrigation of communities, vehicle flushing, road flushing, household toilet flushing and the like. Therefore, a caisson water tank is generally arranged in the toilet and is positioned below the floor drain, a three-way pipe fitting communicated with a sewage discharge pipe of the floor drain is arranged in the caisson water tank, wherein the caisson water tank is used for storing reclaimed water filtered by the floor drain, the three-way pipe fitting is used for timely discharging sewage filtered by the floor drain, a horizontal pipe orifice of the three-way pipe fitting is communicated with a building drain pipe through a connecting pipe, the sewage is discharged through the building drain pipe after passing through the three-way pipe fitting, and the reclaimed water stored in the caisson water tank is used for flushing the toilet in the toilet so as to save water resources. The existing tee pipe fitting is arranged in a tank settling water tank and can only be used for floor drain pollution discharge.
SUMMERY OF THE UTILITY MODEL
The utility model provides a double-row structural member of a reclaimed water recycling system, which is arranged in a sealed water pool and discharges sewage in a toilet in time when the reclaimed water recycling system is normally used; and when the sealed water pool needs to be changed and maintained, the water pump is used for discharging reclaimed water stored in the sealed water pool. The design is ingenious, the structure is novel and simple, and the installation is convenient; the device can be used for daily sewage drainage of the floor drain, and can discharge reclaimed water in the sealed water tank, change water in the water tank, replace or maintain equipment in the water tank and perform waterproof maintenance operation of the water tank in emergency.
In order to achieve the above purpose, the following technical solutions are provided.
The utility model provides a double structure of reuse of reclaimed water system, includes tee bend type pipe fitting, tee bend type pipe fitting is the main part pipe fitting, be equipped with interior bolt structure in the lower port of main part pipe fitting, the detachable sealing connection of interior bolt structure and main part pipe fitting, during the dismouting, stretch into intraductal operation completion through the upper port of instrument follow main part pipe fitting. The double-row structural member of the water reuse system mainly comprises a tee pipe fitting and an inner bolt structural member inside the tee pipe fitting, and the whole structure is simple; the inner bolt structural member is detachably and hermetically connected with the main pipe fitting, and the use and the operation are convenient. When the toilet drain is normally used, the inner bolt structural member is connected to the lower port of the main body pipe fitting in a sealing mode, at the moment, the upper port of the main body pipe fitting is communicated with the horizontal port, the lower port of the main body pipe fitting is sealed, the main body pipe fitting is used for daily sewage drainage of a floor drain, and sewage flowing into the floor drain in a toilet is timely discharged through the main body pipe fitting; when the reclaimed water recycling system needs to be overhauled or maintained, an operator extends into the pipe from the upper port of the main pipe fitting through a tool to enable the pipe to be connected with the inner bolt structural member, the inner bolt structural member is controlled to move upwards to be separated from the lower port until the inner bolt structural member moves to the position above the pipe fitting with the horizontal port or directly takes out the inner bolt structural member from the upper port, at the moment, the lower port of the main pipe fitting is opened, reclaimed water in the reclaimed water recycling system flows backwards into the main pipe fitting from the lower port of the main pipe fitting and then is discharged through the horizontal port of the main pipe fitting, and the reclaimed water recycling system has a double-row function.
Furthermore, the inner bolt structural part is in threaded connection with the inner surface of the lower port of the main body pipe fitting, so that the inner bolt structural part is convenient to mount and dismount.
As a preferable technical scheme of the utility model, the inner bolt structural part is a conical structural part which sequentially shrinks from top to bottom, and external threads are arranged on the peripheral side of the conical structural part. The inner bolt structural part is arranged to be a conical structural part, so that on one hand, the sealing performance is good when the inner bolt structural part is connected with the lower port of the main body pipe fitting, and meanwhile, the inner bolt structural part is effectively prevented from being separated from the bottom of the lower port, and the inner bolt structural part is convenient to mount; on the other hand, the conical structure with the large upper part and the small lower part is arranged, so that the operation of operators is facilitated, and the disassembly is convenient.
As a preferred technical scheme of the utility model, the inner bolt structural member is a cylindrical structural member, and the outer circumferential surface of the cylindrical structural member is provided with external threads. The inner bolt structural member adopts a cylindrical structure, and is simple and convenient to manufacture.
Furthermore, the inner side surface of the lower port is provided with an inner thread surface matched with the outer thread on the inner bolt structural member. When the inner bolt structural member is a conical structural member, the inner thread surface at the lower port on the main body pipe fitting is a conical thread surface matched with the conical structure; when the internal bolt structural member is a cylindrical structural member, the thread surface at the lower port on the main body pipe fitting is a cylindrical thread surface matched with the cylindrical structure, so that the internal bolt structural member is stably connected with the main body pipe fitting.
Further, the bottom of lower port is equipped with the round seal groove, be equipped with the sealing washer in the seal groove, the interior bolt structure passes through the sealing washer and is sealed with main part pipe fitting. The sealing groove at the lower port is used for placing a sealing ring, so that after the inner bolt structural member is connected with the lower port, the sealing performance is good, and the lower port cannot leak water or flow backwards when the main pipe fitting is used normally.
Furthermore, the top of the inner bolt structural part is provided with a connecting groove or a connecting part matched with a tool, when the inner bolt structural part is installed and disassembled, the tool extends into the pipe from the upper port of the main body pipe fitting, and the rotation of the inner bolt structural part is controlled in a mode that the bottom end of the tool is inserted into the connecting groove or is clamped with the connecting part, so that the inner bolt structural part is installed into the lower port of the main body pipe fitting or is separated from the lower port.
Furthermore, the connecting groove with the structure of the inner bolt is arranged as a whole, the connecting groove is a groove arranged at the top of the structure of the inner bolt, the groove wall of the groove is provided with at least one plane wall, and one end of the tool connected with the connecting groove is provided with a convex block used for extending into the connecting groove.
Furthermore, the connecting piece protrudes out of the top surface of the inner bolt structural piece, at least one plane is arranged on the side portion of the connecting piece, and a clamping groove used for clamping the connecting piece is formed in one end, connected with the connecting piece, of the tool.
The double-row device of the reclaimed water recycling system comprises a sealed water tank, wherein a double-row structural member of the reclaimed water recycling system is arranged in the sealed water tank, an upper port of the double-row structural member is communicated with a floor drain positioned above the sealed water tank through a first connecting pipe, and a horizontal port of the double-row structural member is communicated with a building drain pipe through a second connecting pipe. Specifically, the double-row device of the water reuse system is arranged below the toilet floor drain and used for timely discharging the toilet sewage filtered by the toilet floor drain; leave the flowing water clearance between the bottom of double structure and the pond inner bottom, maintain or change the equipment in the pond in needs, and when rinsing the pond or trading the water to the pond, need emit the retaining in the pond, specifically, stretch into in the tee bend type pipe fitting with interior bolt structure through the upper end mouth of instrument follow tee bend type pipe fitting and be connected, bolt structure rebound until breaking away from port down completely in rotatory messenger of bolt structure in operating through the instrument, at this moment, the lower port of tee bend type pipe fitting is opened, well water in the sealed pond gets into from the lower port of tee bend type pipe fitting, flow into the building drain pipe behind the horizontal port of tee bend type pipe fitting and discharge. The double-row device of the water recycling system can discharge sewage, can discharge water under the condition of not damaging or opening the sealed water tank, and has double-row function.
Compared with the prior art, the double-row structural member of the water reuse system has the advantages that the inner bolt structural member is additionally arranged at the bottom of the main pipe fitting, so that the sewage drainage of the floor drain during normal use is not influenced, the problem that the existing sealed water tank cannot drain water is solved ingeniously, the water in the sealed water tank can flow into the main pipe fitting from the lower port of the main pipe fitting and is drained into the building drainage pipe through the horizontal port of the main pipe fitting and then is drained out, the conception is ingenious, the structure is novel and simple, and the installation and the disassembly are convenient.
Drawings
FIG. 1 is a first schematic structural view of a double-row structural member embodiment 1 of the water reuse system of the present invention;
FIG. 2 is a schematic structural view II of a double-row structural member embodiment 1 of the water reuse system of the present invention;
FIG. 3 is a schematic view of a double row structural member of the water reclamation system of the present invention 1 with an internal bolt structural member installed in a main body pipe;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view showing a state before or after the inner plug structure is installed in or taken out from the main pipe in the embodiment 1 of the double-row structure of the water reuse system of the present invention;
FIG. 6 is an enlarged partial schematic view of FIG. 5;
FIG. 7 is a schematic view of the double row structural member embodiment 2 of the water reclamation system of the present invention with the internal bolt structural member installed in the main body pipe;
FIG. 8 is a schematic view of a double row structural member embodiment 3 of the water reclamation system of the present invention with the internal bolt structural member installed in the main body tube;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a first schematic view of a dual-row apparatus of the present invention;
fig. 11 is a second schematic structural view of the double-row device of the water reuse system of the present invention.
Detailed Description
The double-row structure of the water reuse system according to the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
Example 1
Referring to fig. 1 to 6, a non-limiting embodiment of the present invention is a double-row structure of a reclaimed water recycling system, including a three-way pipe 100, where the three-way pipe 100 is a main pipe 110, an inner plug structure 200 is disposed in a lower port 113 of the main pipe 110, the inner plug structure 200 is detachably and hermetically connected to the main pipe 110, and when being disassembled and assembled, the inner plug structure is inserted into a pipe from an upper port 111 of the main pipe 110 by a tool. The double-row structural member of the water reuse system mainly comprises a tee pipe fitting 100 and an inner bolt structural member 200 inside the tee pipe fitting, and the whole structure is simple; the inner bolt structure 200 is detachably connected with the main body tube 110 in a sealing way, and the use and the operation are convenient. When in normal use, the inner bolt structural member 200 is hermetically connected with the lower port 113 of the main body pipe fitting 110, at the moment, the upper port 111 of the main body pipe fitting 110 is communicated with the horizontal port, the lower port 113 is sealed, the main body pipe fitting 110 is used for sewage disposal of the daily floor drain 500, and sewage flowing into the floor drain 500 in a toilet is discharged in time through the main body pipe fitting 110; when the reclaimed water recycling system needs to be overhauled or maintained, an operator extends into the pipe from the upper port 111 of the main pipe fitting 110 through a tool to connect the pipe with the inner bolt structural member 200, the inner bolt structural member 200 is controlled to move upwards to be separated from the lower port 113 until the inner bolt structural member is moved above the pipe where the horizontal port is located or the inner bolt structural member 200 is directly taken out from the upper port 111, at the moment, the lower port 113 of the main pipe fitting 110 is opened, reclaimed water in the reclaimed water recycling system flows backwards into the main pipe fitting 110 from the lower port 113 of the main pipe fitting 110 and then is discharged through the horizontal port of the main pipe fitting 110, and the reclaimed water recycling system has a double-row function.
Referring to fig. 1 to 6, in a non-limiting embodiment of the present invention, the inner bolt structure 200 is screwed to the inner surface of the lower port 113 of the main tube 110 for easy installation and removal. In this embodiment, the main body pipe body and the lower port 113 of the main body pipe 110 are integrally formed square pipe fittings, the top of the main body pipe body is provided with a round pipe fitting as the upper port 111, and the lateral part of the main body pipe body is also provided with a round pipe fitting as the horizontal port 112, so that the upper port 111 and the horizontal port 112 of the three-way pipe 100 are conveniently connected with the pipe fittings outside the three-way pipe 100. This embodiment adopts square pipe fitting as the main part pipe shaft of main part pipe fitting 110, and it makes the effective increase of flow area of main part pipe fitting 110 under the same circumstances of pipe diameter, and then increases the flow of main part pipe fitting 110 under the same circumstances, effectively raises the efficiency. When the three-way pipe fitting 100 is used, the inner bolt structural member 200 is hermetically connected to the lower port 113, the lower port 113 is sealed, the three-way pipe fitting 100 is only used as an L-shaped pipe fitting, the upper port 111 of the three-way pipe fitting is used for introducing sewage, and the horizontal port 112 of the three-way pipe fitting is used for discharging the sewage; and in emergency or when needing to maintain, stop blowdown, at this moment, take away the inner bolt structure 200 from the lower port 113 from the inside of the three-way type pipe fitting 100, make the lower port 113 open, make the normal water in the system enter the three-way type pipe fitting 100 from the lower port 113, and then discharge from the horizontal port 112, make the three-way type pipe fitting 100 have double functions.
Referring to fig. 1 to 6, in a non-limiting embodiment of the present invention, the inner bolt structure 200 is a tapered structure that sequentially shrinks from top to bottom, and an external thread is disposed on the circumferential side of the tapered structure. The inner bolt structural member 200 is arranged to be a conical structural member, so that on one hand, the sealing performance is good when the inner bolt structural member is connected with the lower port 113 of the main body pipe fitting 110, and meanwhile, the inner bolt structural member 200 is effectively prevented from being separated from the bottom of the lower port 113, and the installation is convenient; on the other hand, the conical structure with the large upper part and the small lower part is arranged, so that the operation of operators is facilitated, and the disassembly is convenient. Of course, the bolt structural member 200 may also be a cylindrical structural member, besides the above-mentioned tapered structural member, an external thread is provided on the outer circumferential surface of the cylindrical structural member, and the inner bolt structural member 200 is a cylindrical structure, which is simple and convenient to manufacture. In order to connect the internal bolt structure 200 with the lower port 113 tightly, an internal thread surface matched with the external thread on the internal bolt structure 200 is arranged on the inner side surface of the lower port 113. When the internal bolt structure 200 is a tapered structure, the internal thread surface at the lower port 113 of the main tube 110 is a tapered thread surface matched with the tapered structure; when the internal bolt structure 200 is a cylindrical structure, the thread surface at the lower port 113 of the main body tube 110 is a cylindrical thread surface matched with the cylindrical structure, so as to ensure that the internal bolt structure 200 is stably connected with the main body tube 110.
Referring to fig. 1 to 6, in order to increase the sealing performance of the connection between the plug 200 and the lower port 113, according to a non-limiting embodiment of the present invention, a ring of sealing groove 114 is disposed at the bottom of the lower port 113, a sealing ring 300 is disposed in the sealing groove 114, and the inner plug 200 is sealed with the main tube 110 by the sealing ring 300. The sealing groove 114 at the lower port 113 is used for placing the sealing ring 300, so that after the inner bolt structure 200 is connected with the lower port 113, the sealing performance is good, and water leakage or water pouring at the lower port 113 is avoided when the main body pipe fitting 110 is normally used.
Referring to fig. 1 to 6, in a non-limiting embodiment of the present invention, the top of the inner bolt 200 is provided with a connecting groove 210 engaged with a tool, and when the inner bolt 200 is installed and removed, the tool is inserted into the pipe from the upper port 111 of the main tube 110, and the bottom end of the tool is inserted into the connecting groove 210 or the engaging connector 220 to control the inner bolt 200 to rotate, so that the inner bolt is installed into the lower port 113 of the main tube 110 or separated from the lower port 113. The connecting groove 210 with the interior bolt structure 200 sets up as an organic whole, the connecting groove 210 is for seting up the recess at the top of interior bolt structure 200, the cell wall of recess is equipped with an at least plane wall, in this embodiment, the connecting groove 210 is square groove, the one end that instrument and connecting groove 210 are connected is equipped with and is used for stretching into the square lug of connecting groove 210, after instrument stretched into connecting groove 210, the instrument rotated and drives the rotatory installation or dismantlement of interior bolt structure 200, of course, connecting groove 210 also can adopt other shapes that include a plane wall, specifically confirms according to actual conditions.
Example 2
Referring to fig. 7, a non-limiting embodiment of the present invention is substantially the same as the structure and principle of embodiment 1, except that the top of the inner bolt 200 is not provided with a connecting groove 210, but is provided with a connecting member 220 protruding from the upper surface of the inner bolt 200, the connecting member 220 protrudes from the top of the inner bolt 200, and the side of the connecting member 220 is provided with at least one plane, in this embodiment, a square protrusion is used as the connecting member 220, one end of the tool connected to the connecting member 220 is provided with a square slot for engaging with the connecting member 220, when in use, the square slot on the tool is engaged with the connecting member 220, the tool is rotated to drive the inner bolt 200 to rotate for installation or removal, and similarly, the connecting member 220 may also be in other shapes including a plane wall, the method is determined according to actual conditions.
Example 3
Referring to fig. 8 and 9, a non-limiting embodiment of the present invention is substantially the same as embodiment 1 in structure and principle, except that the main body of the main body tube 110 is a circular tube, and the upper port 111 and the lower port 113 are integrally formed with the main body.
Example 4
Referring to fig. 10, a state diagram of the dual-row structure installed in the sealed water tank 400 of the reclaimed water reuse system in embodiment 1, and fig. 11, a state diagram of the dual-row structure installed in the sealed water tank 400 of the reclaimed water reuse system in embodiment 3, specifically, this embodiment provides a dual-row device of a reclaimed water reuse system, which includes a sealed water tank 400, the dual-row structure of the reclaimed water reuse system is installed in the sealed water tank 400, an upper port 111 on a three-way pipe 100 in the dual-row structure is communicated with a floor drain 500 located above the sealed water tank 400 through a first connection pipe 510, and the first connection pipe 510 and the upper port 111 on the three-way pipe 100 may be connected in a plug-in manner or may be connected in a threaded manner; the horizontal port 112 of the three-way pipe 100 in the double-row structure is communicated with the building drain pipe 600 through the second connecting pipe 610. Specifically, the double-row device of the water reuse system is arranged below the toilet floor drain 500 and used for timely discharging the toilet sewage filtered by the toilet floor drain 500; the bottom of double structure spare leaves the flowing water clearance with sealed pond 400 insole, need maintain or change the equipment in the sealed pond 400 to and when wasing the pond or changing the pond water, need to discharge the retaining in the sealed pond 400, specifically, stretch into the tee bend pipe fitting 100 in with interior bolt structure 200 through the upper port 111 of tee bend pipe fitting 100 of instrument operation, it makes interior bolt structure 200 upwards move until breaking away from port 113 down completely to operate interior bolt structure 200 through the instrument, at this moment, the port 113 down of tee bend pipe fitting 100 is opened, the interior normal water of sealed pond 400 gets into from the port 113 down of tee bend pipe fitting 100, flow into building drain pipe 600 behind the horizontal port 112 of tee bend pipe fitting 100 and discharge. The double-row device of the water recycling system can discharge sewage, can discharge water under the condition of not damaging or opening the sealed water tank 400, and has double-row function.
In the description of the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above embodiments are only specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications are possible without departing from the inventive concept, and such obvious alternatives fall within the scope of the utility model.
Claims (10)
1. The utility model provides a double structure spare of reuse of reclaimed water system, includes tee bend type pipe fitting, its characterized in that: the tee bend type pipe fitting is the main part pipe fitting, be equipped with interior bolt structure in the lower port of main part pipe fitting, interior bolt structure and the detachable sealing connection of main part pipe fitting, during the dismouting, stretch into intraductal operation completion through the upper port of instrument from the main part pipe fitting.
2. The dual-row structure of a reclaimed water reuse system as claimed in claim 1, wherein: the inner bolt structural part is in threaded connection with the inner surface of the lower port of the main body pipe fitting.
3. The dual row structure for a water reuse system as defined in claim 2, wherein: the inner bolt structural part is a tapered structural part which sequentially shrinks from top to bottom, and external threads are arranged on the peripheral side of the tapered structural part.
4. The dual row structure for a water reuse system as defined in claim 2, wherein: the internal bolt structural member is a cylindrical structural member, and external threads are arranged on the outer circumferential surface of the cylindrical structural member.
5. The dual row structure for a reclaimed water reuse system according to claim 3 or 4, wherein: and an inner thread surface matched with the outer thread on the inner bolt structural member is arranged on the inner side surface of the lower port.
6. The dual-row structure for a reclaimed water reuse system according to claim 5, wherein: the bottom of port is equipped with the round seal groove down, be equipped with the sealing washer in the seal groove, the interior bolt structure passes through the sealing washer and seals with main part pipe fitting.
7. The dual-row structure for a reclaimed water reuse system according to claim 6, wherein: the top of the inner bolt structural part is provided with a connecting groove or a connecting piece matched with a tool.
8. The dual-row structure of reclaimed water reuse system according to claim 7, wherein the connection groove is integrally formed with the inner bolt structure, the connection groove is a groove formed at the top of the inner bolt structure, the wall of the groove is provided with at least one plane wall, and the end of the tool connected to the connection groove is provided with a protrusion for extending into the connection groove.
9. The dual-row structure of reclaimed water reuse system according to claim 7, wherein the connecting member protrudes from the top surface of the inner bolt structure, the side of the connecting member has at least one flat surface, and the end of the tool connected to the connecting member has a slot for engaging the connecting member.
10. The double-row device of the reclaimed water recycling system comprises a sealed water tank and is characterized in that a double-row structural member of the reclaimed water recycling system as claimed in any one of claims 1 to 9 is arranged in the sealed water tank, an upper port of the double-row structural member is communicated with a floor drain positioned above the sealed water tank through a first connecting pipe, and a horizontal port of the double-row structural member is communicated with a building drain pipe through a second connecting pipe.
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| CN202122651422.3U CN216238809U (en) | 2021-11-02 | 2021-11-02 | Double-row structural member and device of reclaimed water recycling system |
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| CN202122651422.3U CN216238809U (en) | 2021-11-02 | 2021-11-02 | Double-row structural member and device of reclaimed water recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957957A (en) * | 2021-11-02 | 2022-01-21 | 惠州氿云节水科技有限公司 | Double-row structural member and device of reclaimed water recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957957A (en) * | 2021-11-02 | 2022-01-21 | 惠州氿云节水科技有限公司 | Double-row structural member and device of reclaimed water recycling system |
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