CN112957780A - Filter tank water inlet automatic control water-saving device - Google Patents
Filter tank water inlet automatic control water-saving device Download PDFInfo
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- CN112957780A CN112957780A CN202110224086.6A CN202110224086A CN112957780A CN 112957780 A CN112957780 A CN 112957780A CN 202110224086 A CN202110224086 A CN 202110224086A CN 112957780 A CN112957780 A CN 112957780A
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- water
- water inlet
- siphon
- pipe
- filter tank
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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
-
- 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
- B01D24/38—Feed or discharge devices
- B01D24/40—Feed or discharge devices for feeding
-
- 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
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
-
- 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
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4869—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by level measuring
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
A water inlet automatic control water-saving device for a filter tank belongs to the technical field of filter tank energy saving, wherein a water inlet device consists of a sewage lifting pipe, a high-position water inlet distribution tank and a water inlet main pipe, the water inlet main pipe led out from the bottom of the high-position water inlet distribution tank is communicated with a siphon lifting pipe of a siphon back flushing device in a clear water area of the filter tank, the siphon back flushing device comprises a siphon lifting pipe and a siphon drainage pipe, the top of the siphon lifting pipe is connected with the siphon lifting pipe and the siphon drainage pipe into a whole, a water inlet controller is arranged on the water inlet main pipe, a water falling monitoring sensor is arranged on the siphon drainage pipe, the water inlet controller and the water falling monitoring sensor are in signal communication with a control system, the control system is in signal connection with an air pumping device of the siphon back flushing device, the air pumping device can accurately judge siphon formation, automatically open a valve on the water inlet main pipe and close the water, the comprehensive benefit and the economic benefit are very considerable.
Description
Technical Field
The invention belongs to the technical field of filter tank energy conservation, and particularly relates to an improvement of a traditional full-automatic hydraulic siphon filter tank on the aspect of automatic control and energy conservation.
Background
Traditional siphon type filtering pond, including valved filtering pond and valveless filtering pond, by the filtering pond, water installations and siphon back flush unit constitute, in filtering process, because of the filter bed resistance increases, water level rises in the siphon tedge, when the water level rises to siphon tedge crown of tubes and gets into the siphon drain pipe, produce the siphon effect, utilize the moisture in the clear water district of filtering pond to accomplish the recoil washing fast to the filtering material of filtering area, when liquid level in the clear water district is less than the siphon and destroys the fill, thereby siphon destroys the pipe intake air and destroys whole siphon effect, make the backwash end.
In the operation process of the siphon type filter tank, no matter in the filtering or backwashing stage, the water inlet pipe always feeds water into the filter tank except for the manual intervention of the valved filter tank, the water is from the high-level distribution water tank, and the source water enters the high-level distribution water tank, so a large amount of electric energy is consumed. In addition, the part of inlet water is mixed with backwash water, so that the cleanliness of the backwash water is polluted, the cleaning efficiency of filter materials is influenced, the water quantity required by backwash is increased, the discharged backwash water needs to be treated in a subsequent process, a large amount of water resources are wasted, and the filter material is not environment-friendly and energy-saving.
Chinese patent 2018213461438 discloses a "water saving structure for back flushing of valveless filter", aiming at overcoming the above disadvantages, wherein a valve is installed on the water inlet pipe outside the valveless filter, a section of transparent observation pipe is arranged at the top of the siphon, when a normal back flushing flow is formed, the transparent observation pipe is full of water, then the back flushing process is judged to be normally performed, the valve on the water inlet pipe is cut off at the moment, the water is prevented from continuously entering, the water inlet pipe is ensured to be anhydrous and then enter the siphon, the water waste is avoided, and the back flushing effect is ensured. In addition, the automatic control is realized by installing the water sensor in the transparent observation pipe, the water sensor and the valve are electrically connected with a control system, when a normal back washing process is formed, the water sensor detects water in the transparent observation pipe and transmits an electric signal back to the control system, and the control system further controls the action of an actuating mechanism of the valve so as to close the valve and cut off the water inlet of the water inlet pipe without manual operation. In practical operation, the device has the following defects: when the sensor detects that water exists in the transparent pipe, the formation of siphon can not be confirmed, only a false signal is sent at the moment, only when water is drained from the siphon discharge pipe, the formation of siphon is indicated, if the control system receives the false signal and cuts off water inlet too early, the water level in the siphon ascending pipe can not rise any more, the water level just reaches the transparent pipe at the top, the siphon phenomenon is not generated, and backwashing can not be started.
Disclosure of Invention
The invention aims to overcome the defects and provides the filter water inlet automatic control water-saving device, which is mainly innovated in accurately monitoring the starting point of the siphonage phenomenon, avoiding sending out false signals, cutting off the water inlet in time and achieving the purpose of automatic control and energy conservation.
The method is implemented specifically as follows: the filter tank water inlet automatic control water-saving device comprises a filter tank, a water inlet device and a siphon back-flushing device, wherein the water inlet device consists of a sewage lifting pipe, a high-position water inlet distribution box and a water inlet main pipe, the water inlet main pipe led out from the bottom of the high-position water inlet distribution box is communicated with a siphon lifting pipe of the siphon back-flushing device in a clear water area of the filter tank, the siphon back-flushing device comprises a siphon lifting pipe and a siphon drainage pipe, the top of the siphon lifting pipe and the siphon drainage pipe are connected into a whole, and the filter tank water inlet automatic control water-saving device is characterized in that a water inlet controller is arranged on the water inlet main pipe, a water falling monitoring sensor is arranged on the siphon drainage pipe, the water inlet controller and the water falling monitoring sensor. The siphon water outlet pipe is provided with a water falling detection sensor, when the water falling detection sensor detects that water falls in the water outlet pipe, namely at the moment of starting backwashing, a signal is immediately sent to the control system, the control system automatically opens the air pumping device to promote the rapid vacuumizing at the final stage of filtering to form backwashing, and simultaneously the control system closes the water inlet controller on the water inlet pipe in a linkage manner. After the backwashing is finished, the water falling monitoring sensor cannot detect water falling, a signal is sent out, the control system closes the air pumping device, the water inlet controller on the water inlet main pipe is opened, and the filter is automatically recovered to work.
The water inlet controller on the water inlet main pipe can be an electric regulating valve or a pneumatic regulating valve or other valves capable of being automatically controlled.
The falling water detection sensor can use sensors which are sold in the market and used for detecting the liquid level, the pressure, the gravity and the like of falling water, can accurately sense as soon as the falling water is formed, and sends a signal to prompt that siphoning is formed.
The invention relates to a water falling detection sensor which is a liquid level meter and is arranged on one side of the upper part of a siphon drain pipe, wherein the upper part and the lower part of the liquid level meter are respectively provided with a communicating pipe communicated with the siphon drain pipe, a water inlet is arranged on the liquid level meter above the communicating pipe on the upper part, and the connecting part of a siphon ascending pipe and the siphon drain pipe is communicated with a pipeline between the water inlets. When the water level crosses siphon tedge, during the junction of siphon drain pipe, produce in the drain pipe and fall into water, it can get into the level gauge to have simultaneously to fall into water, the intaking of high-order whereabouts is because fast, accumulate the demonstration immediately in the level gauge and produce the liquid level, send signal transfer to control system, after control system received the signal, close the valve on the water inlet main pipe, constantly the falling into water that gets into the level gauge can get into siphon drain pipe discharge through communicating pipe, but can keep all the time that there is the liquid level in the level gauge to exist. When the siphon is broken, the back flushing is finished, no water falls into the liquid level meter, the residual water in the liquid level meter quickly flows into the siphon drain pipe, the liquid level meter returns to the original position and no liquid level display is available, a signal is sent to the control system again to indicate that the back flushing is finished, the control system automatically operates to open the water inlet pipe, and the filtering is restarted.
The invention is provided with a filter tank liquid level meter at the upper part outside the clean water area of the filter tank, the bottom of the filter tank liquid level meter is communicated with the clean water area of the filter tank, the sealed top is level with or slightly higher than the top of the clean water area, and the filter tank liquid level meter is connected with a control system by signals. In order to accurately judge the siphon formation, the control system receives a signal of falling into water sent by a liquid level meter of the siphon drain pipe, and simultaneously receives a signal of prompting the liquid level of the clear water area to descend by a filter tank liquid level meter, and confirms the siphon formation. This kind of judgement mode is more accurate than single siphon drain pipe signal reliability of falling into water, does not have false signal in-service use, in time closes the valve on the water inlet main pipe when guaranteeing the siphon to take place.
The lower part of the siphon drain pipe is provided with a sand filtering detection sensor and a backwashing strength regulator which are respectively in signal connection with a control system. When the sand filtering detection sensor detects that the sand filtering exists in the backwashing water, a signal is sent to the control system, and after the control system receives the signal, the backwashing strength regulator is regulated according to the detected sand filtering quantification data so as to adapt to proper backwashing strength.
The invention has the beneficial effects that:
1. the siphon is accurately judged to be formed, a signal can be sent out at the moment of backwashing, a valve on the air suction and closing water inlet main pipe is automatically opened, and the backwashing is formed by rapidly vacuumizing at the final stage of filtering.
2. Saves a large amount of washing water, saves a large amount of electric energy for improving water inflow at the same time, and has considerable comprehensive benefit and economic benefit.
3. The applicability is strong, the failure rate is low, and the siphon type filter can be equipped for all siphon type filter tanks in the market.
4. The siphon formation is judged more reliably without false signal misleading by matching with the use of a filter tank liquid level meter.
5. And a backwashing strength regulator is arranged on the siphon water outlet pipe to control the backwashing strength.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
Example 1
The filter water inlet self-control water saving device comprises a filter 1, a water inlet device 2 and a siphon back flush device 3, wherein the water inlet device 2 consists of a sewage lifting pipe 21, a high-level water inlet distribution box 22 and a water inlet main pipe 23, the water inlet main pipe 23 is provided with an electric or pneumatic adjusting valve 24, the water inlet main pipe 23 led out from the bottom of the high-level water inlet distribution box 22 is communicated with a siphon lifting pipe 31 of the siphon back flush device 3 in a clear water area 11 of the filter 1, the siphon back flush device 1 comprises a siphon lifting pipe 31 and a siphon water outlet pipe 32, the top of the siphon lifting pipe 31 is connected into a whole, the siphon water outlet pipe 32 is provided with a water falling monitoring, the falling water monitoring sensor 33 can be selected from a liquid level sensor or a pressure sensor or a gravity sensor or a similar functional device which is used for detecting falling water on the market, and the lower part of the siphon drain pipe 32 is provided with a sand filtering detection sensor 34 and a backwashing strength regulator 35; the upper part of the outer side of the clean water area 11 of the filter 1 is provided with a filter liquid level meter 12, the bottom of the filter liquid level meter 12 is communicated with the clean water area 11 of the filter, and the sealed top is level with or slightly higher than the top of the clean water area 11.
The filter is provided with a control system, and an electric or pneumatic regulating valve 24 on a water inlet main pipe 23, a filter level meter 12, a water falling monitoring sensor 33 on a siphon water outlet pipe 32, air pumping equipment of a siphon back flushing device, a sand filtering detection sensor 34 and a back flushing strength regulator 35 are respectively in signal connection with the control system.
Example 2
Referring to embodiment 1, the water falling monitoring sensor 33 on the siphon drain pipe 32 selects a liquid level meter, which is installed on one side of the upper part of the siphon drain pipe 32, the upper part and the lower part of the liquid level meter are both provided with a communicating pipe communicated with the siphon drain pipe 32, the liquid level meter above the upper communicating pipe is provided with a water inlet, and the joint of the siphon rising pipe 31 and the siphon drain pipe 32 is communicated with the water inlet through a pipeline.
Claims (6)
1. The filter tank water inlet automatic control water-saving device comprises a filter tank, a water inlet device and a siphon back-flushing device, wherein the water inlet device consists of a sewage lifting pipe, a high-position water inlet distribution box and a water inlet main pipe, the water inlet main pipe led out from the bottom of the high-position water inlet distribution box is communicated with a siphon lifting pipe of the siphon back-flushing device in a clear water area of the filter tank, the siphon back-flushing device comprises a siphon lifting pipe and a siphon drainage pipe, the top of the siphon lifting pipe and the siphon drainage pipe are connected into a whole, and the filter tank water inlet automatic control water-saving device is characterized in that a water inlet controller is arranged on the water inlet main pipe, a water falling monitoring sensor is arranged on the siphon drainage pipe, the water inlet controller and the water falling monitoring sensor.
2. The filter tank water inlet automatic control water saving device according to claim 1, characterized in that the water inlet controller on the water inlet main pipe is an electric control valve or a pneumatic control valve or an automatic control valve.
3. The filter tank water inlet self-control water saving device according to claim 1, characterized in that the falling water detection sensor is a liquid level sensor, a pressure sensor or a gravity sensor for detecting the generation of the falling water.
4. A self-controlled water-saving device for filter pool water intake according to claim 3, wherein the water falling detection sensor is a level meter, which is installed on one side of the upper part of the siphon drain pipe, the upper part and the lower part of the level meter are both provided with communicating pipes to communicate with the siphon drain pipe, the level meter above the communicating pipe on the upper part is provided with a water inlet, and the connecting part of the siphon riser pipe and the siphon drain pipe is communicated with the water inlet through a pipeline.
5. A filter tank water inlet automatic control water saving device according to one of the claims 1 to 4, characterized in that a filter tank liquid level meter is arranged at the upper part outside the clean water area of the filter tank, the bottom of the filter tank liquid level meter is communicated with the clean water area of the filter tank, the sealed top is level with or slightly higher than the top of the clean water area, and the filter tank liquid level meter is connected with a control system by signals.
6. The filter tank water inlet automatic control water saving device according to claim 1, characterized in that the lower part of the siphon water discharge pipe is provided with a sand filtering detection sensor and a back flush strength regulator, and the sand filtering detection sensor and the back flush strength regulator are respectively connected with the control system by signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224086.6A CN112957780A (en) | 2021-03-01 | 2021-03-01 | Filter tank water inlet automatic control water-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224086.6A CN112957780A (en) | 2021-03-01 | 2021-03-01 | Filter tank water inlet automatic control water-saving device |
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| Publication Number | Publication Date |
|---|---|
| CN112957780A true CN112957780A (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110224086.6A Pending CN112957780A (en) | 2021-03-01 | 2021-03-01 | Filter tank water inlet automatic control water-saving device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113786652A (en) * | 2021-10-11 | 2021-12-14 | 广东新会中集特种运输设备有限公司 | Filter tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201959604U (en) * | 2010-12-07 | 2011-09-07 | 莱芜钢铁股份有限公司 | Valveless filter tank |
| KR101102979B1 (en) * | 2011-05-12 | 2012-01-05 | 주식회사 한성산업 | Auto filtering apparatus capable of removing deposits |
| CN204307421U (en) * | 2014-07-23 | 2015-05-06 | 常州市奥达电子有限公司 | The gravity valveless filter of easy backwash |
| CN111087091A (en) * | 2020-03-19 | 2020-05-01 | 栢斯维(广州)信息科技有限公司 | Waste water filters and reposition of redundant personnel discharging equipment |
-
2021
- 2021-03-01 CN CN202110224086.6A patent/CN112957780A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201959604U (en) * | 2010-12-07 | 2011-09-07 | 莱芜钢铁股份有限公司 | Valveless filter tank |
| KR101102979B1 (en) * | 2011-05-12 | 2012-01-05 | 주식회사 한성산업 | Auto filtering apparatus capable of removing deposits |
| CN204307421U (en) * | 2014-07-23 | 2015-05-06 | 常州市奥达电子有限公司 | The gravity valveless filter of easy backwash |
| CN111087091A (en) * | 2020-03-19 | 2020-05-01 | 栢斯维(广州)信息科技有限公司 | Waste water filters and reposition of redundant personnel discharging equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113786652A (en) * | 2021-10-11 | 2021-12-14 | 广东新会中集特种运输设备有限公司 | Filter tank |
| CN113786652B (en) * | 2021-10-11 | 2022-08-02 | 广东新会中集特种运输设备有限公司 | Filter tank |
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