CN113217479A - Bath water recovery system - Google Patents
Bath water recovery system Download PDFInfo
- Publication number
- CN113217479A CN113217479A CN202110641509.4A CN202110641509A CN113217479A CN 113217479 A CN113217479 A CN 113217479A CN 202110641509 A CN202110641509 A CN 202110641509A CN 113217479 A CN113217479 A CN 113217479A
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- Prior art keywords
- water
- outlet
- inlet
- recovery system
- gas
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 238000011084 recovery Methods 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000002351 wastewater Substances 0.000 claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000003287 bathing Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F3/00—Pumps using negative pressure acting directly on the liquid to be pumped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D31/00—Pumping liquids and elastic fluids at the same time
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The invention provides a bath water recovery system, which relates to the technical field of bath water recovery and comprises a water absorption disc, an air filter cup, a centrifugal pump, a gas-liquid mixing pump and a waste water barrel, wherein the centrifugal pump and the gas-liquid mixing pump are used in a combined manner; the impeller of the centrifugal pump is relatively large in distance from the inner cavity wall and not easy to block, and is combined with the gas-liquid mixing pump, so that the pressure problem of the recovery system is solved, and the problem of blocking in the existing bath water recovery system is effectively solved.
Description
Technical Field
The invention relates to the technical field of bath water recovery, in particular to a bath water recovery system.
Background
Along with the progress of living standard and technology standard, the mobile bathing machine is produced. The recycling of bath water of a bathing machine becomes a problem to be solved. The existing bath water recovery system adopts a gear pump and a multi-stage filter screen, and the bath water recovery system is frequently blocked and is very inconvenient to use.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that the bath water recovery system in the prior art is easy to block, and provides the bath water recovery system.
The invention provides a bath water recovery system, comprising:
a water absorbing pan;
the air filter cup is provided with at least one first water inlet, at least one first water outlet and at least one first air outlet, and the first water inlet is communicated with the water outlet of the water suction disc;
the centrifugal pump is provided with a second water inlet and a second water outlet, and the second water inlet is communicated with the first water outlet;
the gas-liquid mixing pump is provided with a third gas inlet and a third gas outlet, and the third gas inlet is communicated with the first gas outlet;
and the wastewater barrel is provided with at least one fourth water inlet which is communicated with the second water outlet.
In one embodiment, the impeller of the centrifugal pump is spaced from the inner chamber wall by a minimum distance of not less than 1 mm, preferably 1.5 mm.
In one embodiment, a filter screen for filtering impurities is further arranged in the water absorption disc, and the mesh number of the filter screen is not more than 30 meshes, preferably 20 meshes.
In one embodiment, the bath water recovery system further comprises an air check valve having a fifth air inlet in communication with the first air outlet and a fifth air outlet in communication with the third air inlet.
In one embodiment, the bath water recovery system further comprises a one-way valve having a sixth water inlet and a sixth water outlet, the sixth water inlet being in communication with the second water outlet, the sixth water outlet being in communication with the fourth water inlet.
In one embodiment, the bath water recovery system further comprises a three-way valve having a seventh water inlet, a seventh air inlet and a seventh water outlet, the seventh water inlet being in communication with the sixth water outlet, the seventh air inlet being in communication with the third air outlet, and the seventh water outlet being in communication with the fourth water inlet.
In one embodiment, the bath water recovery system further comprises a water level detection device electrically connected with the gas-liquid mixing pump.
In another aspect, the present invention further provides a method for controlling a bath water recycling system, comprising: and starting the centrifugal pump, starting the gas-liquid mixing pump, closing the gas-liquid mixing pump when the water level in the air filter cup is higher than a first preset position, and starting the gas-liquid mixing pump when the water level in the air filter cup is lower than a second preset position.
Preferably, when the water level in the air filter cup is lower than a second preset position, starting the gas-liquid mixing pump after delaying for 5-15 seconds; more preferably, when the water level in the empty filter cup is lower than the second preset position, the gas-liquid mixing pump is started after delaying for 10 seconds.
Compared with the prior art, the technical scheme provided by the invention has the following advantages:
1. the centrifugal pump is mainly used for discharging bath water in the air filter cup to the waste water barrel, and the gas-liquid mixing pump is mainly used for enabling the air filter cup to form negative pressure so that the bath water enters the air filter cup under the action of the negative pressure; the centrifugal pump has the advantages that the impeller is relatively large in distance from the inner cavity wall and not easy to block, and the centrifugal pump is used with a gas-liquid mixing pump, so that the pressure problem of a recovery system is solved, the blocking problem existing in the existing bath water recovery system is effectively solved, and meanwhile, the noise of the bath water recovery system is greatly reduced;
2. the water level detection device is arranged on the air filter cup, and the water level height of bath water in the air filter cup is detected through the water level detection device, so that the opening and closing of the gas-liquid mixing pump are controlled in real time, and the energy waste caused by the continuous operation of the gas-liquid mixing pump is effectively avoided;
3. an air one-way valve is arranged between the air filter cup and the gas-liquid mixing pump, so that the negative pressure reduction caused by the backflow of air to the air filter cup through the gas-liquid mixing pump can be effectively avoided, and the working efficiency of the gas-liquid mixing pump is improved;
4. the check valve is arranged between the centrifugal pump and the waste water barrel, so that the bath water in the waste water barrel can be effectively prevented from reversely flowing back to the air filter cup by self-absorption, and the working efficiency of the centrifugal pump is improved;
5. set up the three-way valve between check valve, gas-liquid mixing pump and waste water barrel, communicate the third gas outlet of gas-liquid mixing pump, the sixth delivery port of check valve and the fourth water inlet of waste water barrel structure as an organic whole, reduced recovery system's free end quantity for recovery system structure is compacter, convenient transportation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view showing a structure of a bath water recovery system provided in the embodiment;
fig. 2 is a flowchart of a control method of the bath water recovery system provided in the embodiment.
Description of reference numerals:
1-a water absorption tray; 2-air filter cup; 3-a centrifugal pump; 4-gas-liquid mixing pump; 5-a waste water barrel; 6-air check valve; 7-a one-way valve; 8-three-way valve; 9-water level detection device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "in communication" are to be construed broadly, e.g., as meaning either fixed or removable communication, or integral communication; can be in mechanical communication or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
As shown in fig. 1, the present embodiment provides a bath water recycling system, including:
a water absorption plate 1 placed in bath water for transferring the bath water from a bath machine or other place to the empty filter cup 2; preferably, in order to prevent the skin debris in the bath water from entering the air filter cup 2, a filter screen (not shown) for filtering the skin debris is disposed in the water absorption plate 1, and the mesh number of the filter screen is preferably not greater than 30, for example, 20 mesh or 10 mesh, so that the mesh number of the filter screen is reduced, and the blocking probability of the bath water recovery system can be effectively reduced.
Empty filter bowl 2 for the bath water that shifts into from the dish of absorbing water 1 of keeping in has at least one first water inlet, at least one first delivery port and at least one first gas outlet, and the quantity of first water inlet, first delivery port and first gas outlet can set up through actual need, and this embodiment all sets up to one. Wherein, the first water inlet is communicated with the water outlet of the water absorption disc 1 through a pipeline;
the centrifugal pump 3 is used for transferring bath water in the air filter cup 2 into the waste water barrel and is provided with a second water inlet and a second water outlet, and the second water inlet is communicated with the first water outlet through a pipeline; preferably, the impeller of the centrifugal pump 3 is at a minimum distance of not less than 1 mm from the inner chamber wall, and preferably 1.5 mm in this embodiment. The greater the distance between the impeller of the centrifugal pump 3 and the inner cavity wall, the less the probability of clogging.
The gas-liquid mixing pump 4 is used for discharging air in the air filtering cup 2 to enable negative pressure to be formed inside the air filtering cup 2, so that bath water enters the air filtering cup 2 from the outside through the water absorption disc 1, the gas-liquid mixing pump 4 is provided with a third air inlet and a third air outlet, and the third air inlet is communicated with the first air outlet through a pipeline;
waste water bucket 5 for the storage bath water, it has at least one fourth water inlet, and the quantity of fourth water inlet can set up according to actual demand, and this embodiment sets up 1 fourth water inlet. The fourth water inlet is communicated with the second water outlet through a pipeline.
In order to further improve the working efficiency of the air-liquid mixing pump 4 and prevent air from entering the air filter cup 2 through the air-liquid mixing pump 4, in one embodiment, the bath water recovery system further comprises an air check valve 6, wherein the air check valve 6 is provided with a fifth air inlet and a fifth air outlet, the fifth air inlet is communicated with the first air outlet through a pipeline, and the fifth air outlet is communicated with the third air inlet through a pipeline.
In order to prevent the bath water in the waste water barrel 5 from flowing back to the waste water barrel 5 by self-priming through the centrifugal pump 3 and improve the working efficiency of the centrifugal pump 3, in one embodiment, the bath water recovery system is further provided with a one-way valve 7, the one-way valve 7 is provided with a sixth water inlet and a sixth water outlet, the sixth water inlet is communicated with the second water outlet through a pipeline, and the sixth water outlet is communicated with the fourth water inlet through a pipeline.
In the above-mentioned disclosed bath water recovery system, the third gas outlet of the gas-liquid mixing pump 4 is in a free state, which is inconvenient for the arrangement, storage and transportation of the bath water recovery system, and in order to reduce the free end of the bath water recovery system to facilitate the transportation and arrangement of the recovery system, in one implementation, the bath water recovery system further comprises a three-way valve 8 having a seventh water inlet, a seventh air inlet and a seventh water outlet, wherein the seventh water inlet is communicated with the sixth water outlet, the seventh air inlet is communicated with the third gas outlet, and the seventh water outlet is communicated with the fourth water inlet. Connect check valve 7, gas-liquid mixing pump 4 and waste water bucket 5 as a whole through three-way valve 8 for gas-liquid mixing pump 4 is connected with waste water bucket 5 and 7 integration of check valve, conveniently accomodates, arranges in order and transports.
In the bath water recovery system disclosed in the above embodiment, the gas-liquid mixing pump 4 and the centrifugal pump 3 need to continuously operate or manually adjust the working period thereof at the same time to maintain the bath water recovery system in a normal operation state, which has the problem of large energy consumption or complicated manual operation, in order to solve the above problem, in one embodiment, the bath water recovery system further includes a water level detection device 9, the water level detection device 9 is disposed on the air filter cup 2, and the water level detection device 9 is electrically connected to the gas-liquid mixing pump 4. The water level detection device 9 is internally provided with a controller which can monitor the water level height of the bath water in the air filter cup 2 in real time and control the opening and closing of the gas-liquid mixing pump 4 according to the real-time monitoring position.
On the other hand, the embodiment further provides a control method of a bath water recovery system, as shown in fig. 2, after the system is initialized, the centrifugal pump 3 and the gas-liquid mixing pump 4 are started, negative pressure is formed in the air filter cup 2 under the action of the gas-liquid mixing pump 4, bath water is pressed into the air filter cup 2 through the water absorption disc 1 by outside air, and when the water level detection device 9 detects that the water level in the air filter cup 2 is higher than a first preset position, the water level detection device 9 controls to close the gas-liquid mixing pump 4, so that the water level in the air filter cup 2 is prevented from continuously rising, and noise caused by the fact that bath water fills the air filter cup 2 and flows into the gas-liquid mixing pump 4 is prevented from being increased. The bath water level in the air filter cup 2 is continuously reduced under the action of the centrifugal pump 3, when the water level detection device 9 detects that the water level in the air filter cup 2 is lower than a second preset position, the water level detection device 9 controls and starts the gas-liquid mixing pump 4, so that negative pressure is formed in the air filter cup 2 again, the operation is repeated in a circulating mode, and the bath water level in the air filter cup 2 is kept in dynamic balance. Preferably, when the water level detection device 9 detects that the water level in the air filter bowl 2 is lower than the second preset position, the gas-liquid mixing pump 4 is started after 10 seconds of delay, so that the switching frequency of the gas-liquid mixing pump 4 is reduced, the service life of the gas-liquid mixing pump 4 is prolonged, and the energy consumption of the gas-liquid mixing pump 4 is reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. A bath water recovery system, comprising:
a water absorbing pan;
the air filter cup is provided with at least one first water inlet, at least one first water outlet and at least one first air outlet, and the first water inlet is communicated with the water outlet of the water suction disc;
the centrifugal pump is provided with a second water inlet and a second water outlet, and the second water inlet is communicated with the first water outlet;
the gas-liquid mixing pump is provided with a third gas inlet and a third gas outlet, and the third gas inlet is communicated with the first gas outlet;
and the wastewater barrel is provided with at least one fourth water inlet which is communicated with the second water outlet.
2. The bath water recovery system of claim 1, wherein the impeller of the centrifugal pump is spaced from the inner chamber wall a minimum distance of no less than 1 mm, preferably 1.5 mm.
3. The bath water recovery system of claim 2, wherein a filter screen for filtering impurities is further disposed in the water absorption tray, and the mesh number of the filter screen is not more than 30, preferably 20.
4. The bath water recovery system of claim 1, further comprising an air check valve having a fifth air inlet in communication with the first air outlet and a fifth air outlet in communication with the third air inlet.
5. The bath water recovery system of claim 1 or 4, further comprising a one-way valve having a sixth water inlet in communication with the second water outlet and a sixth water outlet in communication with the fourth water inlet.
6. The bath water recovery system of claim 5, further comprising a three-way valve having a seventh water inlet, a seventh air inlet, and a seventh water outlet, the seventh water inlet being in communication with the sixth water outlet, the seventh air inlet being in communication with the third air outlet, the seventh water outlet being in communication with the fourth water inlet.
7. The bath water recovery system of claim 6, further comprising a water level detection device electrically connected to the gas-liquid mixing pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641509.4A CN113217479A (en) | 2021-06-09 | 2021-06-09 | Bath water recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641509.4A CN113217479A (en) | 2021-06-09 | 2021-06-09 | Bath water recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN113217479A true CN113217479A (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110641509.4A Pending CN113217479A (en) | 2021-06-09 | 2021-06-09 | Bath water recovery system |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101760939A (en) * | 2008-10-23 | 2010-06-30 | 李哲平 | Water cycle utilization design for washing machine |
| CN201664537U (en) * | 2010-03-31 | 2010-12-08 | 李立功 | Recycled water pre-filtering device |
| CN102249359A (en) * | 2011-04-28 | 2011-11-23 | 永州湘江纸业有限责任公司 | Waste water recycling device for paper making vacuum system and water saving method |
| CN104853832A (en) * | 2012-12-14 | 2015-08-19 | 可隆工业株式会社 | System and method for filtration |
| CN205109407U (en) * | 2015-10-16 | 2016-03-30 | 王凤蕊 | Forward filters negative pressure and causes ultrafiltration device |
| US20160339368A1 (en) * | 2015-05-18 | 2016-11-24 | Todd McIntosh | Water Reclamation and Reuse System |
| KR20190030258A (en) * | 2017-09-13 | 2019-03-22 | (주)상원엔지니어링 | Polluted water purification apparatus for public bath |
| CN208948989U (en) * | 2018-08-02 | 2019-06-07 | 武汉科技大学 | A kind of bathhouse water for bathing reutilization system |
| CN216044670U (en) * | 2021-06-09 | 2022-03-15 | 苏州轰天炮光电科技有限公司 | Bath water recovery system |
-
2021
- 2021-06-09 CN CN202110641509.4A patent/CN113217479A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101760939A (en) * | 2008-10-23 | 2010-06-30 | 李哲平 | Water cycle utilization design for washing machine |
| CN201664537U (en) * | 2010-03-31 | 2010-12-08 | 李立功 | Recycled water pre-filtering device |
| CN102249359A (en) * | 2011-04-28 | 2011-11-23 | 永州湘江纸业有限责任公司 | Waste water recycling device for paper making vacuum system and water saving method |
| CN104853832A (en) * | 2012-12-14 | 2015-08-19 | 可隆工业株式会社 | System and method for filtration |
| US20160339368A1 (en) * | 2015-05-18 | 2016-11-24 | Todd McIntosh | Water Reclamation and Reuse System |
| CN205109407U (en) * | 2015-10-16 | 2016-03-30 | 王凤蕊 | Forward filters negative pressure and causes ultrafiltration device |
| KR20190030258A (en) * | 2017-09-13 | 2019-03-22 | (주)상원엔지니어링 | Polluted water purification apparatus for public bath |
| CN208948989U (en) * | 2018-08-02 | 2019-06-07 | 武汉科技大学 | A kind of bathhouse water for bathing reutilization system |
| CN216044670U (en) * | 2021-06-09 | 2022-03-15 | 苏州轰天炮光电科技有限公司 | Bath water recovery system |
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