CN113384923A - Automatic-cleaning siphon filter tank and use method thereof - Google Patents
Automatic-cleaning siphon filter tank and use method thereof Download PDFInfo
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- CN113384923A CN113384923A CN202110860340.1A CN202110860340A CN113384923A CN 113384923 A CN113384923 A CN 113384923A CN 202110860340 A CN202110860340 A CN 202110860340A CN 113384923 A CN113384923 A CN 113384923A
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- siphon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
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Abstract
The invention discloses an automatic cleaning siphon filter and a using method thereof, which are characterized in that: the water collection unit comprises a water inlet pipe, a water inlet distribution box and a U-shaped water seal pipe; the filtering unit comprises a flushing water tank, a multi-way pipe and a siphon drain pipe; the water outlet unit comprises a water outlet groove, a water outlet pipe, a siphon ascending pipe and a drainage well, wherein the siphon ascending pipe and the drainage well are connected with the siphon drainage pipe; the siphon filter tank is internally arranged in a fully-sealed manner, the vacuum degree is ensured, and the siphon filter tank is designed based on the siphon principle, and the water pressure in the filter tank is changed and promoted to be siphoned due to the blockage of the continuous filtering layer during filtering, so that water in the filter tank reversely recoils the filtering layer, and the filtering material of the filtering layer is washed and discharged.
Description
Technical Field
The invention relates to the field of filter tanks, in particular to an automatic cleaning siphon filter tank and a using method thereof.
Background
The filter tank is common water filtering equipment in the fields of industrial production, cultivation and the like, and the composition principle of the filter tank is also very simple, and a filtering device is arranged between a water inlet pipe and a water outlet pipe to filter water flowing through the filter tank so as to achieve the aim of cleaning the water. The siphon filter tank is a mainstream water supply filtering process unit in the last 90 th century, along with the continuous development of social economy, the actual operation load of the siphon filter tank of a water supply plant is far higher than the initial design load, and the main working principle of the siphon filter tank is to control the water in the filter tank to automatically clean the filter material in the filter tank through the siphon effect, so that the effects of automatically washing the material without manual participation and prolonging the service life of the filter tank are achieved.
In the mariculture industry, especially in the artificial breeding process of marine organisms, water treatment is a key factor related to success or failure of breeding production. In the past, seawater seedling culture is mostly treated by a two-stage sand filter, and the defects of large power consumption, large labor amount, need of regular manual cleaning, incapability of continuous water supply and the like exist. Therefore, a siphon filter tank capable of being automatically cleaned is very important, but the current siphon filter tank mostly adopts a timing backwashing filter material design, so that the operation of the filter tank cannot be well assisted, the flushing is started at a timing, the working efficiency of the filter tank is low due to untimely flushing when turbid media are encountered, and the waste is easily caused when the media are clean; secondly, because the inflow water is generally distributed to a high-position water collecting tank through an overflow weir, a large amount of gas is mixed in the water, and gas plugs are formed in a pipeline and a filter material layer, so that the water flow is unevenly distributed in the filter layer, the treatment effect is influenced, the backwashing frequency is increased, and the treatment efficiency of the filter tank is reduced.
Disclosure of Invention
The invention aims to provide an automatic cleaning siphon filter tank and a using method thereof.
In view of the above, the technical solution adopted by the present invention to solve the technical problem is: the utility model provides an automatic abluent siphon filtering pond which characterized in that: comprises a water collecting unit with a sealed chamber, a filtering unit and a water outlet unit,
the water collecting unit comprises a water inlet pipe and a water inlet distribution box, the water inlet distribution box is connected with a U-shaped water seal pipe used for discharging bubbles in the medium, and the water outlet end of the U-shaped water seal pipe is connected with the filtering unit;
the filtering unit comprises a flushing water tank arranged in the water collecting tank, a multi-way pipe is connected to the flushing water tank and is communicated with the water outlet end of the U-shaped water sealing pipe, the multi-way pipe is also communicated with a siphon water discharging pipe, a filtering layer is arranged in the flushing water tank, filtering holes are formed in the bottom of the filtering layer, the filtering layer is used for filtering impurities in a medium, and the siphon water discharging pipe is used for discharging sewage with the impurities out of the flushing water tank;
the water outlet unit comprises a water outlet groove and a water outlet pipe which are communicated with the water collecting tank, and further comprises a siphon ascending pipe and a drainage well which are connected with a siphon drainage pipe.
According to the scheme, the siphon drainage pipe comprises a siphon ascending pipe connected with a multi-way pipe, an included angle is formed in the tail end of the siphon ascending pipe, a siphon descending pipe extends downwards, and a siphon auxiliary pipe and an air suction pipe are arranged at the included angle of the siphon ascending pipe and the siphon descending pipe.
According to the technical scheme, the siphon drain pipe comprises a siphon ascending pipe connected with a multi-way pipe, a siphon descending pipe extends downwards at the tail end of the siphon ascending pipe in an included angle, a siphon auxiliary pipe and an air exhaust pipe are further arranged at the included angle of the siphon ascending pipe and the siphon descending pipe, a siphon damage pipe is further arranged on the siphon drain pipe in a matched mode, the pipe opening of the siphon damage pipe is located in the water collecting tank, and the other end of the siphon damage pipe is connected with the siphon drain pipe.
As a further arrangement of the scheme, the water inlet end of the filter tank is provided with a high-pressure water inlet mechanism with a water level sensor, and the high-pressure water inlet mechanism is used for controlling water inlet and controlling the water pressure passing through the U-shaped water sealing pipe to be greater than the siphon water pressure.
As the further setting of above-mentioned scheme, the filtering layer includes upper filtering sand layer and lower floor's permeable bed, upper filtering sand layer includes anthracite, quartz sand, lower floor's permeable bed is including the filter cartridge device that supplies liquid to pass through.
As a further arrangement of the scheme, two ends of the exhaust pipe are respectively connected to the siphon damage pipe and the siphon auxiliary pipe, the water outlet ends of the siphon auxiliary pipe and the siphon descending pipe are arranged in the drainage well, and the end part of the siphon auxiliary pipe is at least 10mm below the water surface of the drainage well.
As a further arrangement of the scheme, the siphon-type flushing device further comprises an artificial forced flusher and a flushing intensity regulator, wherein the flushing intensity regulator is used for regulating flushing intensity and comprises a flow valve for regulating the diameter of a flow passage of the siphon descending pipe.
As a further arrangement of the above scheme, the device further comprises a back-washing auxiliary unit, wherein the back-washing auxiliary unit comprises a turbine blade which is arranged close to a filter hole at the bottom of the flushing water tank and is rolled towards a multi-way pipe, a rotating shaft of the turbine blade is fixed at the bottom of the flushing water tank, a water outlet of the filter hole is arranged right opposite to the surface of the turbine blade, the turbine blade is driven to rotate by water flow upwards from the filter hole when siphon back washing occurs, a ratchet wheel structure for unidirectional rotation is further arranged on the turbine blade, and micropores are further arranged on the turbine blade and used for filtering the water flow.
Has the advantages that: the filter chamber is internally provided with a siphon ascending pipe, a siphon descending pipe and a siphon auxiliary pipe which are arranged in a fully sealed manner to ensure the vacuum degree, the siphon ascending pipe, the siphon descending pipe and the siphon auxiliary pipe are used for promoting the siphon through the change of water pressure in the filter chamber caused by the blockage of the filter layer caused by the continuous filtration, so that the water in the filter chamber recoils the filter layer from bottom to top to flush the filter material of the filter layer and is discharged from a siphon discharge pipe, a filter structure is arranged at the opening of the siphon discharge pipe to prevent the filter material from entering the siphon discharge pipe and being discharged out of the filter chamber, after the siphon happens, the water level in a water collecting tank continuously descends until the filter hole is exposed out of the water surface to suck air to a flushing water tank to destroy the siphon, a siphon is arranged on the siphon discharge pipe, a siphon destroying bucket is arranged at one end of the siphon destroying pipe and is positioned in the filter chamber to adjust the siphon time and the quantity of the backwash water, after the siphon washing is carried out to the preset water level, the siphon filter tank has a simple structure and a scientific design, and the complete equipment is unmanned through ingenious automatic siphon triggering and automatic siphon ending, so that the siphon filter tank is convenient to construct in a large-scale water supply system, and automatic siphon filtering water supply is realized.
Drawings
FIG. 1 is a schematic structural diagram of a filter according to the present invention.
FIG. 2 is a schematic view of the water flow direction under normal filtration conditions of the present invention.
FIG. 3 is a schematic view of the flow of water when siphon flush according to the present invention occurs.
Reference numerals: 1. a water inlet pipe; 2. a water inlet distribution box; 3. a U-shaped water seal pipe; 4. a filtering layer; 41. an upper filtering sand layer; 42. a lower permeable layer; 5. a water collection tank; 7. a flush tank; 71. a multi-pass tube; 72. a siphon water drain pipe; 78. a turbine blade; 8. a water outlet groove; 9. a water outlet pipe; 10. a siphon riser; 11. a siphon auxiliary pipe; 12. an air exhaust pipe; 13. a siphon downcomer; 14. a drainage well; 15. a siphon break pipe; 16. the siphon breaks the bucket.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.
An automatic cleaning siphon filter as shown in fig. 1-3, characterized in that: comprises a water collecting unit with a sealed chamber, a filtering unit and a water outlet unit,
the water collecting unit comprises a water inlet pipe 1 communicated with external water supply mechanism equipment and a water inlet distribution box 2 used for balancing and stabilizing water inlet, the water inlet distribution box 2 is connected with a U-shaped water seal pipe 3 used for discharging bubbles in a medium, and the water outlet end of the U-shaped water seal pipe 3 is connected with a filtering unit;
the filter unit comprises a flushing water tank 7 arranged in the water collecting tank 5, a multi-way pipe 71 is connected and arranged on the flushing water tank 7, the multi-way pipe 71 is communicated with the water outlet end of the U-shaped water sealing pipe 3, the multi-way pipe 71 is also communicated with a siphon drain pipe 72, a filter layer 4 is arranged in the flushing water tank 7, the bottom of the filter layer 4 is provided with a filter hole, the filter layer 4 is used for filtering impurities in media, the siphon drain pipe 72 is used for discharging sewage with the impurities out of the flushing water tank 7, the filter hole can filter materials and the impurities to prevent the filter materials from flowing out of the flushing water tank 7 during normal filtration, and when siphoning occurs, a water flow in the water collecting tank 5 reversely flows, a passage for the media can be provided, so that the filter materials can be stirred to realize flushing of the filter materials;
the water outlet unit comprises a water outlet groove 8 and a water outlet pipe 9 which are communicated with the water collecting tank 5, and further comprises a siphon ascending pipe 10 and a water drainage well 14 which are connected with a siphon water drainage pipe 72.
As a further arrangement of the above scheme, the siphon drain pipe 72 includes a siphon rising pipe 10 connected with the multi-way pipe 71, an included angle is provided at the end of the siphon rising pipe 10, a siphon falling pipe 13 is provided extending downward, and a siphon auxiliary pipe 11 and an air suction pipe 12 are provided at the included angle between the siphon rising pipe 10 and the siphon falling pipe 13.
As the further setting of above-mentioned scheme, the end of intaking in the filtering pond is provided with the high pressure mechanism of intaking of taking level sensor, sets up in the filtering pond of seaside level sensor feedback signal high pressure mechanism when the sea water rises tide and starts, carries out the filtration of primary sea water for the filtering pond water supply and supplies water for the aquaculture factory, and the high pressure mechanism of intaking is used for controlling into water and guarantees that the water pressure through U-shaped water seal pipe 3 is greater than siphon water pressure, the radial fluting of delivery port of multi-ported pipe 71, the radial fluting of delivery port still is provided with the filter screen, avoids the filter material to leave flush tank through the multi-ported pipe when the siphon takes place.
As a further configuration of the above scheme, the filtering layer 4 includes an upper filtering sand layer 41 and a lower permeable layer 42, the upper filtering sand layer 41 includes anthracite and quartz sand, and the lower permeable layer 42 includes a filter cartridge device for passing liquid.
In a further configuration of the above arrangement, two ends of the suction pipe 12 are respectively connected to the siphon break pipe 15 and the siphon auxiliary pipe 11, water outlet ends of the siphon auxiliary pipe 11 and the siphon drop pipe 13 are disposed in the drainage well 14, and an end of the siphon auxiliary pipe 11 is located at least 10mm below the water surface of the drainage well 14.
As a further arrangement of the scheme, the device also comprises an artificial forced flusher and a flushing intensity regulator, wherein the flushing intensity regulator is used for regulating the flushing intensity and comprises a flow valve for regulating the diameter of the flow passage of the siphon descending pipe 13.
As a further arrangement of the above scheme, the device further comprises a back-washing auxiliary unit, the back-washing auxiliary unit comprises a turbine blade 78 which is arranged in the flushing water tank 7 and rolls towards the multi-way pipe 71, the turbine blade 78 is arranged in the filtering layer 4 in the flushing water tank 7 and is arranged close to the upper part of the filtering hole at the bottom, the main body of the back-washing auxiliary unit is embedded in the filtering material, the rotating shaft of the turbine blade 78 is fixed at the bottom of the flushing water tank 7, the upward water outlet of the filtering hole is arranged right opposite to the blade surface of the turbine blade 78, the turbine blade 78 is also provided with a ratchet structure for unidirectional rotation, the ratchet structure enables the filtering hole to discharge water towards the turbine blade 78, the direction for driving the turbine blade 78 to rotate is set as the standard, the rotating shaft of the turbine blade 78 is also provided with a waterproof underwater bearing, the turbine blade 78 is also provided with micropores, and the micropores are used for solving the problem that the turbine blade 78 which is static during normal filtering, avoiding the turbine blades 78 from interfering with the filtering effect.
The siphon water discharge pipe 72 can also be matched with a siphon damage pipe 15 based on the control and adjustment of the quantity of the back flushing water, the pipe orifice of the siphon damage pipe 15 is positioned in the water collection tank 5, the other end of the siphon damage pipe is connected with the siphon water discharge pipe 72, the duration and the quantity of water for cleaning impurities in the filter material of the flushing water tank can be adjusted by adjusting the relative height of a siphon damage hopper 16 at the pipe orifice of the siphon damage pipe 15, and the siphon damage pipe has the principle that after siphon occurs, water in the water collection tank 5 is siphoned to flush the filter material from bottom to top through a filter hole, so that the water level of the water collection tank 5 falls until the siphon damage hopper 16 discharges water, air enters the siphon damage pipe 15, the siphon vacuum degree is reduced, and the siphon flushing is finished.
Wherein, when siphon back flush filter material takes place, flow direction flushing tank 7 then to the rivers drive that the filter material washed through the filtration pore by header tank 5, turbine blade 78 stirs the filter material at continuous rotation under the thrust of rivers impact blade face for its better washing, secondly, normal filtering liquid filters through percolating filter material, and turbine blade 78 also sets up the ratchet simultaneously, and liquid causes turbine blade 78's the roll of turbine blade when having avoided normal filtration, influences the filter effect.
A use method of an automatic cleaning siphon filter tank is characterized in that: comprises that
As shown in fig. 2
S1: the medium water body with suspended matters and impurities is sent into the water inlet distribution box 2 by a high-pressure water inlet mechanism arranged at the end of the water inlet pipe 1 through pressure to uniformly distribute the two filter tanks, the water inlet distribution box 2 is mainly used for uniformly distributing and continuously and stably outputting the medium water body, then the medium water body flows through a multi-way pipe 71 of the filter unit through the U-shaped water seal pipe 3 and finally falls into the flushing water tank 7;
s2, filtering the medium from top to bottom through the filtering layer 4 after the medium falls into the flushing water tank 7, wherein suspended matter impurities are continuously intercepted by the upper filtering sand layer 41, then the suspended matter impurities flow into the lower permeable layer 42, flow into the water collecting tank 5 from the filtering holes to complete filtering, and are discharged into a clean water tank from the water outlet groove 8 and the water outlet pipe 9;
s3: suspended matter and magazines intercepted by the upper filtering sand layer 41 are continuously accumulated on the filtering layer 4 to cause the gradual increase of the resistance of the filtering layer 4, the water pressure based on the U-shaped water seal pipe 3 is greater than the water pressure of the siphon drain pipe 72 to promote the water level of the siphon drain pipe 72 to be continuously raised, and when the water level reaches the pipe orifice of the siphon auxiliary pipe 11, the water falls down from the siphon auxiliary pipe 11;
s4, discharging the air in the siphon downcomer 13 through the air suction pipe 12 based on the water pressure, wherein the vacuum degrees among the flushing water tank 7, the siphon riser 10 and the siphon downcomer 13 are gradually strengthened, a siphon effect is formed when the vacuum degrees are met, and the medium is sucked from the flushing water tank 7 through the siphon drain pipe;
as shown in fig. 3
S5: when siphoning occurs, water in the water collecting tank 5 passes through the filtering holes, flows back to the flushing water tank 7, passes through the filtering layer 4 from bottom to top, and repeatedly washes the filter material in the filtering layer 4;
s6: when the water level is reduced to cause air to enter the siphon drain pipe 72, the vacuum degree in the filter is damaged, and simultaneously the siphon damage S4 and S5 are ended, the filter continues to filter media until the filter layer 4 cannot meet the filtering requirement, and the next siphon flushing cycle is started.
Preferably, the medium floats back to the inlet water distribution tank 2 in the first half based on the characteristics of the gas when passing through the U-shaped water seal pipe 3, and the water discharge amount of the siphon water discharge pipe 72 is larger than the water inlet amount of the U-shaped water seal pipe 3.
The device comprises two siphon filters, the water distribution water tank 2 works simultaneously through water inlet, and the water production scale of a single filter is 320m3And h, feeding water to the filter tank from a perforated rotational flow reaction inclined tube sedimentation tank, and feeding the outlet water of the filter tank into a clean water tank.
The basic principle is as follows:
firstly, feeding water to be filtered into a filter tank through a water inlet pipe, filtering the water from top to bottom through a filtering layer, injecting filtered clean water into a water collecting tank for storage, and after the water collecting tank is full, enabling water flow to enter a clean water tank through a water outlet pipe;
the filtering layer continuously intercepts suspended matters in the filtering process to cause the resistance of the filtering layer to be gradually increased, so that the water level in the siphon ascending pipe is continuously increased, when the water level reaches the pipe opening of the siphon auxiliary pipe, water falls from the pipe to form piston-like extrusion air, the air in the pipe is discharged through the air exhaust pipe to take away the air in the siphon descending pipe, and when the vacuum degree reaches a certain value, the siphon action is generated;
thirdly, the water in the water tank passes through the filter layer from bottom to top to repeatedly wash the filter material, when the water level of the washing water tank falls to the bottom of the washing water tank, air enters a siphon pipe to destroy the siphon action, and the backwashing of the filter tank is finished;
the filter tank enters circulation, clear water filtered in a state of returning to a first state and a non-backwashing state is injected into the water collecting tank for storage, and after the water collecting tank is full, water flow enters the clear water tank through the water outlet pipe.
The siphon filter tank of the invention realizes the completely unattended siphon backwashing filter material by sealing and completely sealing the inside of the whole set of filter tank and by the special matching design of pipelines, the filter material is degraded in filtering function to cause the filtering to be unable to normally operate as a trigger condition, the siphon is automatically opened to enable the water flow to reversely flow, the filter material is flushed by the reversely flowing water and is sucked out of the flushing water tank based on the siphon, the end part of the water outlet of the multi-way pipe is sealed, the two sides are grooved, the matching filter device can prevent a large amount of filter material from being discharged outwards by the siphon pipe in the flushing process, when the backwashing occurs, the water quantity sent by the U-shaped sealing pipe to the multi-way pipe is less than the outward water discharge quantity of the siphon pipe, the water in the water collecting tank is ensured to continuously flow towards the flushing water tank, the water inlet pipe side and the water distribution tank are kept sealed to ensure the vacuum degree, avoid the siphon to take place the back preferentially to absorb siphon drainage from the inlet tube, in addition, the optional setting of siphon destroys the pipe, destroys the high-speed governing of fighting through the siphon and controls the displacement of back flush, if not set up, then acquiesce for the default with water level evacuation under the filtration pore in the header tank.
The filter chamber is internally provided with a siphon ascending pipe, a siphon descending pipe and a siphon auxiliary pipe which are arranged in a fully sealed manner to ensure the vacuum degree, the siphon ascending pipe, the siphon descending pipe and the siphon auxiliary pipe are used for promoting the siphon through the change of water pressure in the filter chamber caused by the blockage of the filter layer caused by the continuous filtration, so that the water in the filter chamber recoils the filter layer from bottom to top to flush the filter material of the filter layer and is discharged from a siphon discharge pipe, a filter structure is arranged at the opening of the siphon discharge pipe to prevent the filter material from entering the siphon discharge pipe and being discharged out of the filter chamber, after the siphon happens, the water level in a water collecting tank continuously descends until the filter hole is exposed out of the water surface to suck air to a flushing water tank to destroy the siphon, a siphon is arranged on the siphon discharge pipe, a siphon destroying bucket is arranged at one end of the siphon destroying pipe and is positioned in the filter chamber to adjust the siphon time and the quantity of the backwash water, after the siphon washing is carried out to the preset water level, the siphon filter tank has a simple structure and a scientific design, and the complete equipment is unmanned through ingenious automatic siphon triggering and automatic siphon ending, so that the siphon filter tank is convenient to construct in a large-scale water supply system, and automatic siphon filtering water supply is realized.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110860340.1A CN113384923A (en) | 2021-07-27 | 2021-07-27 | Automatic-cleaning siphon filter tank and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110860340.1A CN113384923A (en) | 2021-07-27 | 2021-07-27 | Automatic-cleaning siphon filter tank and use method thereof |
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| CN113384923A true CN113384923A (en) | 2021-09-14 |
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| CN202110860340.1A Pending CN113384923A (en) | 2021-07-27 | 2021-07-27 | Automatic-cleaning siphon filter tank and use method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733262A (en) * | 2022-03-30 | 2022-07-12 | 广东省轻纺建筑设计院有限公司 | Compound municipal sewage filter equipment |
| CN115105874A (en) * | 2022-06-29 | 2022-09-27 | 岳阳市水务集团有限公司 | Intelligent optimization system of siphon filter tank |
| CN116966654A (en) * | 2023-09-09 | 2023-10-31 | 北京哈泰克工程技术有限公司 | Full-automatic filtering tank |
| CN117886451A (en) * | 2023-12-29 | 2024-04-16 | 贵州星硕铭越环保科技有限公司 | A domestic sewage artificial wetland effluent regulating device and use method thereof |
| CN119086415A (en) * | 2024-09-04 | 2024-12-06 | 合隆新材料科技(江苏)有限公司 | A copper-clad steel ground rod corrosion resistance test device |
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| CN202638061U (en) * | 2012-06-19 | 2013-01-02 | 南通水山环保设备有限公司 | Air-scrubbed filtering pool for thermal power station |
| CN206777950U (en) * | 2017-04-24 | 2017-12-22 | 广东浦华环保科技有限公司 | A kind of valveless filtering pool of pin-connected panel |
| CN210933938U (en) * | 2019-10-23 | 2020-07-07 | 安徽建筑大学城市建设学院 | Novel gravity type valveless filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202638061U (en) * | 2012-06-19 | 2013-01-02 | 南通水山环保设备有限公司 | Air-scrubbed filtering pool for thermal power station |
| CN206777950U (en) * | 2017-04-24 | 2017-12-22 | 广东浦华环保科技有限公司 | A kind of valveless filtering pool of pin-connected panel |
| CN210933938U (en) * | 2019-10-23 | 2020-07-07 | 安徽建筑大学城市建设学院 | Novel gravity type valveless filter |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733262A (en) * | 2022-03-30 | 2022-07-12 | 广东省轻纺建筑设计院有限公司 | Compound municipal sewage filter equipment |
| CN115105874A (en) * | 2022-06-29 | 2022-09-27 | 岳阳市水务集团有限公司 | Intelligent optimization system of siphon filter tank |
| CN115105874B (en) * | 2022-06-29 | 2023-04-28 | 岳阳市水务集团有限公司 | Intelligent optimization system of siphon filter |
| CN116966654A (en) * | 2023-09-09 | 2023-10-31 | 北京哈泰克工程技术有限公司 | Full-automatic filtering tank |
| CN117886451A (en) * | 2023-12-29 | 2024-04-16 | 贵州星硕铭越环保科技有限公司 | A domestic sewage artificial wetland effluent regulating device and use method thereof |
| CN119086415A (en) * | 2024-09-04 | 2024-12-06 | 合隆新材料科技(江苏)有限公司 | A copper-clad steel ground rod corrosion resistance test device |
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Application publication date: 20210914 |