CN214634509U - Straight-through water quality filtering guarantee system for secondary water supply - Google Patents
Straight-through water quality filtering guarantee system for secondary water supply Download PDFInfo
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- CN214634509U CN214634509U CN202120160517.2U CN202120160517U CN214634509U CN 214634509 U CN214634509 U CN 214634509U CN 202120160517 U CN202120160517 U CN 202120160517U CN 214634509 U CN214634509 U CN 214634509U
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Abstract
The invention discloses a straight-through water quality filtration guarantee system for secondary water supply, which comprises a shell connecting assembly, a filtration guarantee device, a water flow direction switching assembly, a backwashing assembly, a visual observation device and a control cabinet system device, wherein the shell connecting assembly is provided with a shell barrel, a water inlet flange and a water outlet flange, the water inlet end of the shell barrel is provided with the water inlet flange, the water outlet end of the shell barrel is provided with the water outlet flange, the filtration guarantee device is arranged in the shell barrel, the water flow direction switching assembly is arranged in the shell barrel in a penetrating manner, the backwashing assembly and the visual observation device are arranged on the side surface of the shell barrel, the visual observation device is arranged on the outer side surface of the shell barrel at the lower part of the filtration guarantee device, and the backwashing assembly is connected with the control cabinet system device through a wiring harness. The invention can directly observe impurities in the filter, carry out backwashing regularly to discharge the impurities, reduce the maintenance difficulty of the common filter, reduce the labor cost input and ensure the safety of secondary water supply equipment and water quality.
Description
Technical Field
The invention relates to the field of straight-through type water quality filtration guarantee device systems for secondary water supply, and particularly belongs to a straight-through type water quality filtration guarantee system for secondary water supply.
Background
The secondary water supply equipment is used as key core equipment for guaranteeing the water for people's life, and plays an important role in guaranteeing the' last kilometer 'safe water use of people's life. However, when the tap water reaches the secondary water supply equipment through the municipal pipeline, impurities accumulated in the municipal pipeline are often brought into the secondary water supply equipment and are even pressurized to a user through a water pump, so that the water quality of the domestic water of people is affected; meanwhile, when the water pump matched with the secondary water supply equipment runs in an impurity environment, the service life of the water pump matched with the secondary water supply equipment can be shortened. Therefore, when people use the secondary water supply equipment system, a filter is installed in the front section area of the secondary water supply equipment. The common Y-type filter used in the existing secondary water supply equipment system has a certain filtering function, but has the following problems in practical use: 1, an operator cannot know the impurity accumulated in the common Y-shaped filter and when the common Y-shaped filter is cleaned to remove impurities; 2, when the ordinary Y-shaped filter is used for actually cleaning the discharged impurities, the filter needs to be manually dismantled and cleaned, so that the overall maintenance difficulty is high, and the maintenance cost is high. Therefore, the invention provides a straight-through water quality filtration guarantee system for secondary water supply, which can visually see the internal impurity condition, can perform back washing action at regular time to discharge impurities, effectively reduces the maintenance difficulty, cost and manpower input of a filter, and ensures the safety of equipment and water quality. Meanwhile, the device system is provided with the visual observation device in the opposite direction of the side of the matched filter guarantee device, and the impurity condition in the filter guarantee device can be visually observed by using the visual observation device and operating personnel, so that the operating personnel can timely observe and know when the filter guarantee device is cleaned to remove impurities; meanwhile, impurities in the filtering and guaranteeing device can be backwashed through the matched control cabinet system device, the water flow direction switching assembly and the backwashing assembly, the filtering and guaranteeing device does not need to be manually detached, the whole maintenance cost is low, and the water quality operation safety of the whole set of secondary water supply equipment system can be ensured.
Disclosure of Invention
The invention provides a straight-through water quality filtering and guaranteeing system for secondary water supply, which solves the problems in the background technology by the overall comprehensive optimization design of a shell connecting assembly, a filtering and guaranteeing device, a control cabinet system device, a water flow direction switching assembly, a backwashing assembly, a visual observation device and related matched components. Meanwhile, the invention can directly observe the impurity condition in the filter, regularly carry out back flush and discharge impurity operation, improve the service life of the delivery water pump, effectively reduce the maintenance difficulty of the original common filter, reduce the maintenance cost and the labor input, ensure the safety of secondary water supply equipment and water quality, and is suitable for being popularized and used as a water quality filtration guarantee device system in the secondary water supply equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a straight-through water quality filtration guarantee system for secondary water supply comprises a shell connecting assembly, a filtration guarantee device and a control cabinet system device, wherein the shell connecting assembly is provided with a shell cylinder, a water inlet flange and a water outlet flange, the water inlet end of the shell cylinder is provided with the water inlet flange, the water outlet end of the shell cylinder is provided with the water outlet flange, the filtration guarantee device is arranged in the shell cylinder, the straight-through water quality filtration guarantee system is characterized by also comprising a water flow direction switching assembly, a backwashing assembly and a visual observation device, the water flow direction switching assembly is arranged in the shell cylinder in a penetrating way, the backwashing assembly and the visual observation device are arranged on the side surface of the shell cylinder, the installation position of the visual observation device is positioned on the outer side surface of the shell cylinder at the lower part of the filtration guarantee device, the backwashing assembly is connected with the control cabinet system device through a wiring harness, the water flow direction switching assembly is provided with a flow direction switching device and an actuator, the flow direction switching device is arranged in the shell cylinder, the executor is worn to be adorned in the side of shell barrel, and the executor is connected with flow direction auto-change over device, can adjust the direction of flow direction auto-change over device at the inside of shell barrel through mediation or rotatory executor, and then switches the direction of adjusting the interior circulation of shell barrel and flow direction auto-change over device water.
Furthermore, the back washing component comprises a back washing filter screen, a back washing pipeline, a flushing control electromagnetic valve, a blow-off pipe and a blow-off electromagnetic valve, wherein the back washing pipeline is arranged on one side surface of the shell barrel, the back washing filter screen is arranged in the joint of the back washing pipeline and the upper part of the shell barrel, the flushing control electromagnetic valve is arranged on the back washing pipeline, the blow-off pipe is arranged on the other side surface of the shell barrel, and the blow-off electromagnetic valve is arranged on the blow-off pipe.
Furthermore, the visual observation device is provided with a fixed flange, an observation port and an observation perspective mirror, the observation port is positioned on the outer side surface of the lower shell cylinder of the filtration guarantee device, the fixed flange is arranged on the outer side of the observation port, the observation perspective mirror is arranged in the observation port, and the impurity condition of lower filtration in the filtration guarantee device can be observed through the observation perspective mirror.
Furthermore, the filtering and protecting device is provided with a conical structure filter screen component and a fixing device component, the fixing device component and the upper port of the conical structure filter screen component are connected into a whole, and the fixing device component and the conical structure filter screen component are integrally embedded and fixed in the shell barrel;
the filtration guarantee device is fixedly connected with the interior of the shell cylinder in a detachable mode;
the actuator in the water flow direction switching assembly can be an electric control actuator, the electric control actuator is connected with the control cabinet system device through a wire harness, the control cabinet system device can control the electric control actuator to operate, the direction of the flow direction switching device inside the shell barrel is adjusted, and the direction of the water flowing to the switching device in the shell barrel is switched and adjusted.
Furthermore, a flushing control electromagnetic valve and a pollution discharge electromagnetic valve in the backwashing component are connected with a control cabinet system device through a wiring harness.
Furthermore, the filtration guarantee device is arranged inside the shell cylinder in the shell connecting assembly, the filtration guarantee device and the shell connecting assembly are integrally arranged in the front section area of an electric valve in a secondary water supply equipment system, when the filtration guarantee device is in use and operates, a flushing control electromagnetic valve and a pollution discharge electromagnetic valve in the backwashing assembly are in a closed state, a flow direction switching device in the water flow direction switching assembly is parallel to the flow direction of water in the shell cylinder, impurities entering the water in the shell cylinder through the water inlet end of the shell cylinder are filtered by a conical structure filter screen assembly in the filtration guarantee device and are concentrated at the bottom of a conical filter screen of the conical structure filter screen assembly; the operation time of the backwashing component can be set through the control cabinet system device, when the concentrated impurities at the bottom of the conical filter screen of the conical structure filter screen component are observed to be more through an observation port and an observation perspective mirror in the visual observation device on the outer side surface of the shell cylinder body at the lower part of the filtration guarantee device, the actuator in the water flow direction switching component can be controlled through the control cabinet system device, the flow direction switching device in the water flow direction switching component is adjusted, so that the flow direction switching device forms a small included angle with the longitudinal vertical direction of the water flow in the shell cylinder body, the external flow of the water in the shell cylinder body is cut off and blocked, the electric valve in the rear section area of the filtration guarantee device is closed, the control flushing electromagnetic valve and the pollution discharge electromagnetic valve in the backwashing component are opened through the control cabinet system device, the pressure of the water in the backwashing pipeline on the side surface of the shell cylinder body is utilized, so that the water flowing through the backwashing pipeline is upward from the bottom of the conical filter screen in the conical structure filter screen component, impurities concentrated at the bottom of the conical filter screen are washed, and meanwhile, the washed impurities can be discharged outwards through a drain pipe in the backwashing component; after the back washing is finished, the use manager of the secondary water supply equipment system can automatically switch the whole system to the state that the filtration guarantee device is normally used to filter impurities in the water body entering the shell cylinder, or carry out subsequent timed automatic back washing according to the time set by the control cabinet system device.
Compared with the prior art, the invention has the following beneficial effects:
through the overall comprehensive optimization design combination of the overall comprehensive optimization design of the shell connecting assembly, the filtering guarantee device, the control cabinet system device, the water flow direction switching assembly, the backwashing assembly, the visual observation device and the related matched components, the straight-through water quality filtering guarantee system for secondary water supply is manufactured. The invention can solve the following problems of the common Y-shaped filter used by the existing secondary water supply equipment system in actual use: 1, an operator cannot know the impurity accumulated in the common Y-shaped filter and when the common Y-shaped filter is cleaned to remove impurities; 2, when the ordinary Y-shaped filter is used for actually cleaning the discharged impurities, the filter needs to be manually dismantled and cleaned, so that the overall maintenance difficulty is high, and the maintenance cost is high.
Meanwhile, the invention can directly observe the impurity condition in the filter, regularly carry out back flush and discharge impurity operation, improve the service life of the delivery water pump, effectively reduce the maintenance difficulty of the original common filter, reduce the maintenance cost and the labor input, ensure the safety of secondary water supply equipment and water quality, and is suitable for being popularized and used as a water quality filtration guarantee device system in the secondary water supply equipment.
Drawings
FIG. 1 is a schematic view of the connection between the whole body of the present invention and an electrically operated valve in a secondary water supply system;
FIG. 2 is a schematic view of the vertical longitudinal cut-away front side of the backwash assembly of the present invention as a whole along the side thereof;
FIG. 3 is a schematic view of the side, vertical and longitudinal cut-away front side of the present invention installed along the water flow direction switching assembly as a whole;
FIG. 4 is a schematic diagram of the connection of the water flow direction switching assembly in the present invention (the solid line filled region indicates that the flow direction switching device and the longitudinal vertical direction of the water flow in the shell cylinder form a small included angle, indicating C; the dotted line unfilled region indicates that the flow direction switching device and the water flow in the shell cylinder are parallel, indicating P);
fig. 5 is a front view of the visual observation apparatus of the present invention.
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.
The present invention will be described in further detail with reference to examples and specific embodiments.
Referring to the attached drawings, the straight-through water quality filtration guarantee system for secondary water supply comprises a shell connecting assembly, a filtration guarantee device and a control cabinet system device, wherein the shell connecting assembly is provided with a shell cylinder 1, a water inlet flange 4 and a water outlet flange 9, the water inlet end of the shell cylinder 1 is provided with the water inlet flange 4, the water outlet end of the shell cylinder 1 is provided with the water outlet flange 9, and the filtration guarantee device is arranged inside the shell cylinder 1, and the straight-through water quality filtration guarantee system is characterized by further comprising a water flow direction switching assembly, a back washing assembly and a visual observation device, wherein the water flow direction switching assembly is arranged inside the shell cylinder 1 in a penetrating manner, the back washing assembly and the visual observation device are arranged on the side surface of the shell cylinder 1, the visual observation device is arranged on the outer side surface of the shell cylinder 1 at the lower part of the filtration guarantee device, the back washing assembly is connected with a control cabinet system device 14 through a wiring harness, the water flow direction switching assembly is provided with a flow direction switching device 5 and an actuator 10, the flow direction switching device 5 is arranged inside the shell barrel body 1, the actuator 10 penetrates through the side face of the shell barrel body 1, the actuator 10 is connected with the flow direction switching device 5, the direction of the flow direction switching device inside the shell barrel body 1 can be adjusted by adjusting or rotating the actuator 10, and then the direction of the water flowing through the flow direction switching device in the shell barrel body 1 is switched and adjusted.
Furthermore, the back washing component comprises a back washing filter screen 6, a back washing pipeline 7, a washing control electromagnetic valve 8, a drain pipe and a drain electromagnetic valve 3, wherein the back washing pipeline 7 is arranged on one side surface of the shell barrel 1, the back washing filter screen 6 is arranged in the joint of the back washing pipeline 7 and the upper part of the shell barrel 1, the washing control electromagnetic valve 8 is arranged on the back washing pipeline 7, the drain pipe is arranged on the other side surface of the shell barrel 1, and the drain electromagnetic valve 3 is arranged on the drain pipe.
Further, the visual observation device is provided with a fixed flange 11, an observation port 12 and an observation perspective mirror 16, the observation port 12 is positioned on the outer side surface of the lower shell cylinder 1 of the filtration guarantee device, the fixed flange 11 is arranged on the outer side of the observation port 12, the observation perspective mirror 16 is arranged in the observation port 12, and the condition of impurities filtered at the lower part in the filtration guarantee device can be observed through the observation perspective mirror 16.
Furthermore, the filtering and protecting device is provided with a conical structure filter screen component 2 and a fixing device component 13, the fixing device component 13 is connected with the upper port of the conical structure filter screen component 2 into a whole, and the fixing device component 13 and the conical structure filter screen component 2 are integrally embedded and fixed in the shell barrel 1;
the filtration guarantee device is fixedly connected with the interior of the shell cylinder 1 in a detachable mode;
the actuator 10 in the water flow direction switching assembly can be an electric control actuator, the electric control actuator is connected with the control cabinet system device 14 through a wire harness, the control cabinet system device 14 can control the electric control actuator to operate, the direction of the flow direction switching device 5 inside the shell barrel body 1 is further adjusted, and the direction of water flowing through the switching device 5 in the shell barrel body 1 is switched and adjusted.
Furthermore, a flushing control solenoid valve 8 and a pollution discharge solenoid valve 3 in the backwashing assembly are connected with a control cabinet system device 14 through a wiring harness.
Further, the filtration guarantee device is arranged inside the shell cylinder 1 in the shell connecting assembly, the filtration guarantee device and the shell connecting assembly are integrally arranged in the front section area of an electric valve 15 in a secondary water supply equipment system, when the filtration guarantee device is in use and operates, a flushing control electromagnetic valve 8 and a pollution discharge electromagnetic valve 3 in a backwashing assembly are in a closed state, a flow direction switching device 5 in a water flow direction switching assembly is parallel to the flow direction of water in the shell cylinder 1 (as shown by a dotted line unfilled region P in fig. 4), impurities in the water entering the shell cylinder 1 through the water inlet end of the shell cylinder 1 are filtered by a conical structure filter screen assembly 2 in the filtration guarantee device and are concentrated at the bottom of a conical filter screen of the conical structure filter screen assembly 2; the operation time of the back washing component can be set through the control cabinet system device 14, when a large amount of impurities concentrated at the bottom of the conical filter screen of the conical structure filter screen component 2 are observed through the observation port 12 and the observation perspective mirror 16 in the visual observation device on the outer side surface of the shell cylinder 1 at the lower part of the filtration guarantee device, the flow direction switching device 5 in the water flow direction switching component is adjusted by controlling the actuator 10 in the water flow direction switching component through the control cabinet system device 14, so that the flow direction switching device 5 forms a small included angle with the longitudinal vertical direction of the water flow in the shell cylinder 1 (when the flow direction switching device 5 forms a small included angle with the longitudinal vertical direction of the water flow in the shell cylinder 1, the flow direction of the fluid can be guided, so that the water flow direction pollution discharge component is more favorable for discharging the impurities, as shown in the filling area C in the solid line in figure 4, the water flow in the shell cylinder 1 is cut off and blocked, simultaneously closing an electric valve 15 in the rear section area of the filtering guarantee device, opening a flushing control electromagnetic valve 8 and a sewage discharge electromagnetic valve 3 in the backwashing assembly through a control cabinet system device 14, and utilizing the pressure of water in a backwashing pipeline 7 on the side surface of the shell barrel 1 to enable the water flowing through the backwashing pipeline 7 to upwards wash the impurities concentrated at the bottom of the conical filter screen from the bottom of the conical filter screen in the conical structure filter screen assembly 2, and simultaneously discharging the washed impurities outwards through a sewage discharge pipe in the backwashing assembly; after the back washing is finished, the use manager of the secondary water supply equipment system can automatically switch the whole system to a state that the filtration guarantee device is normally used to filter impurities in the water body entering the shell barrel 1, or carry out subsequent timed automatic back washing according to the time set by the control cabinet system device 14.
The visual observation device is arranged in the opposite direction of the side of the matched filter guarantee device in the device system, and an operator can visually see the impurity condition in the filter guarantee device through the visual observation device, so that the operator can timely observe and know when the filter guarantee device is cleaned to remove impurities; meanwhile, the matched control cabinet system device 14, the water flow direction switching assembly and the backwashing assembly in the device system can backwash impurities in the filtering and guaranteeing device, the filtering and guaranteeing device does not need to be manually disassembled and cleaned, the maintenance is easy, the overall maintenance cost is low, and the water quality operation safety of the whole set of secondary water supply equipment system can be guaranteed.
The invention can solve the following problems of the common Y-shaped filter used by the existing secondary water supply equipment system in actual use: 1, an operator cannot know the impurity accumulated in the common Y-shaped filter and when the common Y-shaped filter is cleaned to remove impurities; 2, when the ordinary Y-shaped filter is used for actually cleaning the discharged impurities, the filter needs to be manually dismantled and cleaned, so that the overall maintenance difficulty is high, and the maintenance cost is high.
Meanwhile, the invention can directly observe the impurity condition in the filter, regularly carry out back flush and discharge impurity operation, improve the service life of the delivery water pump, effectively reduce the maintenance difficulty of the original common filter, reduce the maintenance cost and the labor input, ensure the safety of secondary water supply equipment and water quality, and is suitable for being popularized and used as a water quality filtration guarantee device system in the secondary water supply equipment.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (6)
1. A straight-through water quality filtration guarantee system for secondary water supply comprises a shell connecting assembly, a filtration guarantee device and a control cabinet system device, wherein the shell connecting assembly is provided with a shell cylinder, a water inlet flange and a water outlet flange, the water inlet end of the shell cylinder is provided with the water inlet flange, the water outlet end of the shell cylinder is provided with the water outlet flange, the filtration guarantee device is arranged in the shell cylinder, the straight-through water quality filtration guarantee system is characterized by also comprising a water flow direction switching assembly, a backwashing assembly and a visual observation device, the water flow direction switching assembly is arranged in the shell cylinder in a penetrating way, the backwashing assembly and the visual observation device are arranged on the side surface of the shell cylinder, the installation position of the visual observation device is positioned on the outer side surface of the shell cylinder at the lower part of the filtration guarantee device, the backwashing assembly is connected with the control cabinet system device through a wiring harness, the water flow direction switching assembly is provided with a flow direction switching device and an actuator, the flow direction switching device is arranged in the shell cylinder, the executor is worn to be adorned in the side of shell barrel, and the executor is connected with flow direction auto-change over device, can adjust the direction of flow direction auto-change over device at the inside of shell barrel through mediation or rotatory executor, and then switches the direction of adjusting the interior circulation of shell barrel and flow direction auto-change over device water.
2. A straight-through water quality filtration and assurance system for secondary water supply as claimed in claim 1, wherein the backwash assembly comprises a backwash filter screen, a backwash pipeline, a flushing control solenoid valve, a drain pipe and a drain solenoid valve, the backwash pipeline is mounted on one side of the housing cylinder, the backwash filter screen is mounted in the connection between the backwash pipeline and the upper part of the housing cylinder, the flushing control solenoid valve is mounted on the backwash pipeline, the drain pipe is mounted on the other side of the housing cylinder, and the drain solenoid valve is mounted on the drain pipe.
3. A straight-through water quality filtering and protecting system for secondary water supply as claimed in claim 1, wherein the visual observation device has a fixing flange, an observation port and an observation perspective mirror, the observation port is located on the outer side surface of the lower housing cylinder of the filtering and protecting device, the fixing flange is installed on the outer side of the observation port, the observation perspective mirror is installed in the observation port, and the condition of impurities filtered at the lower part in the filtering and protecting device can be observed through the observation perspective mirror.
4. A straight-through water quality filtration guarantee system for secondary water supply according to any one of claims 1 to 3, wherein the filtration guarantee device is provided with a conical structure filter screen component and a fixing device component, the fixing device component is connected with the upper port of the conical structure filter screen component into a whole, and the fixing device component and the conical structure filter screen component are integrally embedded and fixed in the shell barrel;
the filtration guarantee device is fixedly connected with the interior of the shell cylinder in a detachable mode;
the actuator in the water flow direction switching assembly can be an electric control actuator, the electric control actuator is connected with the control cabinet system device through a wire harness, the control cabinet system device can control the electric control actuator to operate, the direction of the flow direction switching device inside the shell barrel is adjusted, and the direction of the water flowing to the switching device in the shell barrel is switched and adjusted.
5. A straight-through water quality filtration guarantee system for secondary water supply as claimed in claim 2, wherein the flushing control solenoid valve and the blowdown solenoid valve in the back flushing assembly are connected with the control cabinet system device through wiring harnesses.
6. A straight-through water quality filtration and protection system for secondary water supply as claimed in claim 1, wherein the filtration and protection device is installed inside a housing cylinder in the housing connection assembly, the filtration and protection device and the housing connection assembly are integrally installed in the front section area of an electric valve in the secondary water supply equipment system, when the filtration and protection device is in operation, a flushing control solenoid valve and a blowdown solenoid valve in the backwashing assembly are in a closed state, a flow direction switching device in the water flow direction switching assembly is parallel to the flow direction of the water in the housing cylinder, and impurities in the water entering the housing cylinder through the water inlet end of the housing cylinder are filtered by a cone-structure filter screen assembly in the filtration and protection device and concentrated at the bottom of a cone-structure filter screen of the cone-structure filter screen assembly; the operation time of the backwashing component can be set through the control cabinet system device, when the concentrated impurities at the bottom of the conical filter screen of the conical structure filter screen component are observed to be more through an observation port and an observation perspective mirror in the visual observation device on the outer side surface of the shell cylinder body at the lower part of the filtration guarantee device, the actuator in the water flow direction switching component can be controlled through the control cabinet system device, the flow direction switching device in the water flow direction switching component is adjusted, so that the flow direction switching device forms a small included angle with the longitudinal vertical direction of the water flow in the shell cylinder body, the external flow of the water in the shell cylinder body is cut off and blocked, the electric valve in the rear section area of the filtration guarantee device is closed, the control flushing electromagnetic valve and the pollution discharge electromagnetic valve in the backwashing component are opened through the control cabinet system device, the pressure of the water in the backwashing pipeline on the side surface of the shell cylinder body is utilized, so that the water flowing through the backwashing pipeline is upward from the bottom of the conical filter screen in the conical structure filter screen component, impurities concentrated at the bottom of the conical filter screen are washed, and meanwhile, the washed impurities can be discharged outwards through a drain pipe in the backwashing component; after the back washing is finished, the use manager of the secondary water supply equipment system can automatically switch the whole system to the state that the filtration guarantee device is normally used to filter impurities in the water body entering the shell cylinder, or carry out subsequent timed automatic back washing according to the time set by the control cabinet system device.
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| CN202120160517.2U CN214634509U (en) | 2021-01-21 | 2021-01-21 | Straight-through water quality filtering guarantee system for secondary water supply |
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| CN202120160517.2U CN214634509U (en) | 2021-01-21 | 2021-01-21 | Straight-through water quality filtering guarantee system for secondary water supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113908616A (en) * | 2021-11-19 | 2022-01-11 | 苏州市洋基机电工程有限公司 | Full-automatic cleaning Y-shaped filter system for removing impurities in water |
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2021
- 2021-01-21 CN CN202120160517.2U patent/CN214634509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113908616A (en) * | 2021-11-19 | 2022-01-11 | 苏州市洋基机电工程有限公司 | Full-automatic cleaning Y-shaped filter system for removing impurities in water |
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