CN212818568U - Large-traffic full-automatic clear water filtering station - Google Patents
Large-traffic full-automatic clear water filtering station Download PDFInfo
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- CN212818568U CN212818568U CN202021358384.1U CN202021358384U CN212818568U CN 212818568 U CN212818568 U CN 212818568U CN 202021358384 U CN202021358384 U CN 202021358384U CN 212818568 U CN212818568 U CN 212818568U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 260
- 238000001914 filtration Methods 0.000 title claims abstract description 31
- 238000011001 backwashing Methods 0.000 claims abstract description 47
- 238000005406 washing Methods 0.000 claims description 17
- 239000010865 sewage Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000006837 decompression Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 7
- 239000003245 coal Substances 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000005065 mining Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000011869 dried fruits Nutrition 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
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Abstract
The utility model discloses a large-flow full-automatic clear water filtering station, which comprises a water inlet electric valve, a pressure reducing valve, an automatic pressure relief safety valve, a water inlet three-way valve, a water outlet three-way valve, a drain outlet, a backwashing valve, a manual pressure relief safety valve, a primary filter, a precision filter, a PLC, a pressure sensor, a raw water pressure gauge, a water inlet pressure gauge, a water outlet pressure gauge and an exhaust valve, wherein the water inlet electric valve, the pressure reducing valve, the automatic pressure relief safety valve; the filter station can realize full-automatic control, and the filter can realize automatic forward backwashing by detecting the pressure at the front end and the rear end of the filter, and when the pressure difference is greater than a certain value; the device has the advantages of simple structure, compact design, better use and maintenance in narrow underground environment, high automation degree, large treatment capacity, capability of automatically cleaning and discharging pollution, uninterrupted water supply, wide application range and the like, provides reliable guarantee for underground water source purification of the coal mine, and creates favorable conditions for underground automatic mining.
Description
Technical Field
The utility model relates to a colliery water purification technical field particularly, relates to and is arranged in colliery containing explosive mixture environment such as in the pit, can regard as a large-traffic full-automatic clear water filter station at water source.
Background
The clear water filtering station is mainly used for removing granular impurity suspended matters and solid matters in water and filtering capable of forming adsorption precipitation, provides underground equipment water meeting various purposes, and is post-treatment equipment for filtering water for matched emulsion pump stations and spray pump stations, production water and reuse water after secondary precipitation treatment. At present, a domestic clear water filtering station is small in dirt receiving amount, easy to be blocked by dirt, complex in cleaning work and unclean in cleaning, equipment needs to be disassembled when necessary to clean a filtering part, the state of a filter cannot be monitored, and the influence of human factors is large, so that the automation degree of the whole system is very low. With the improvement of the automation degree of the coal mine, the requirement of the current coal mine production is difficult to meet. Therefore, the design of a safe and reliable large-flow full-automatic clear water filtering station is imperative.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a large-traffic full-automatic clear water filtering station, it is equipped with simple structure, and the design is compact, can be in narrow and small downhole environment better use and maintenance, and it is high to have degree of automation, and the handling capacity is big, can wash the blowdown by oneself, and is not interrupted and supplies water, uses advantages such as face extensively.
The embodiment of the utility model is realized like this:
a large-flow full-automatic clear water filtering station comprises a water inlet electric valve connected to a water inlet, a pressure reducing valve, an automatic pressure relief valve, a water inlet three-way valve, a water outlet three-way valve, a drain outlet, a backwashing valve, a manual pressure relief valve, a primary filter and a precision filter, wherein the pressure reducing valve is connected to the water inlet electric valve through a water pipe; the other water pipe is connected with a backwashing valve, the backwashing valve is connected to the primary filter through a water pipe, and the outlet of the primary filter is connected to a water outlet three-way valve through a water pipe; the water inlet three-way valve and the water outlet three-way valve are respectively connected to the sewage draining outlet through water pipes, the automatic pressure relief safety valve is arranged on the pressure reducing valve and the water pipe between the water inlet three-way valves, and the manual pressure relief safety valve is arranged on the water pipe between the water inlet three-way valve and the primary filter.
The utility model discloses in the embodiment of the preferred, during the forward washing, above-mentioned backwash valve is closed, and rivers pass through automatic pressure release relief valve and the three-way valve of intaking in proper order after the relief pressure valve, and the rivers that flow-off from the three-way valve of intaking enter the entry of one-level filter behind the manual pressure release relief valve, and rivers are discharged through the export of one-level filter to flow to precision filter's entry through the three-way valve that goes out, partial rivers flow to the drain behind the three-way valve that goes out.
In the preferred embodiment of the present invention, during the backwashing, the water inlet three-way valve is closed, and the water flow enters the backwashing inlet of the primary filter after passing through the backwashing valve, is discharged from the backwashing outlet of the primary filter, and flows to the sewage outlet after passing through the water inlet three-way valve, and the backwashing outlet of the primary filter is the inlet of the primary filter.
In a preferred embodiment of the present invention, the large-flow fully automatic clean water filtering station further comprises a PLC, the water inlet three-way valve, the water outlet three-way valve and the backwash valve are electrically connected to the PLC respectively, and when the forward washing reaches a preset time, the PLC sends a close command to the water inlet three-way valve and an open command to the backwash valve to enter a backwash process; and when the backwashing time reaches the preset time, the PLC sends an opening instruction to the water inlet three-way valve and sends a closing instruction to the backwashing valve, and the normal washing process is started.
The utility model discloses in the preferred embodiment, above-mentioned large-traffic full-automatic clear water filtering station is still including being connected to PLC's pressure sensor, and pressure sensor is installed respectively in one-level filter and precision filter's entry and exit, and when the pressure differential of the entry of one-level filter or precision filter and export was greater than the setting value, PLC sent to the three-way valve that intakes and closed the instruction and sent the instruction of opening to the backwash valve.
The utility model discloses in the embodiment of the preferred, be provided with the raw water manometer on the water pipe between above-mentioned water inlet and the motorised valve of intaking, be provided with the manometer of intaking on the water pipe between manual pressure release relief valve and the primary filter, be provided with the manometer of going out water on the water pipe between precision filter and the delivery port.
In a preferred embodiment of the present invention, when the pressure at the automatic pressure relief safety valve exceeds a preset value, the automatic pressure relief safety valve is opened, and the water flowing into the water inlet three-way valve is divided to relieve the pressure; when the pressure value of the water inlet pressure gauge exceeds a preset value, the water flow between the water inlet three-way valve and the primary filter is shunted and decompressed through the manual decompression safety valve.
In the preferred embodiment of the present invention, the pipe diameter of the pressure reducing valve is larger than the pipe diameter of the existing water pipe, so as to reduce the raw water pressure to at least 2Mpa, and the pressure value of the pressure reducing valve after pressure reduction is a constant value, so as to reduce pressure resistance.
In the preferred embodiment of the present invention, the above-mentioned primary filter and the precision filter are further provided with an exhaust valve, and the exhaust valve is installed in the outer side of the primary filter and the precision filter respectively, so that when the pressure difference is too large, the exhaust valve exhausts the internal gas of the primary filter or the precision filter.
The utility model has the advantages that:
the utility model discloses a water inlet electric valve control rivers get into, reduce rivers pressure through the relief pressure valve, through automatic pressure relief valve and manual pressure relief valve with pressure control in safe range, adjust the switching of water inlet three-way valve and backwash valve through PLC, control formal washing and backwash process, rivers loop through water inlet three-way valve, primary filter, play water three-way valve, precision filter during formal washing, rivers loop through backwash valve, primary filter and water inlet three-way valve during backwash; the filter station can realize full-automatic control, and the filter can realize automatic forward backwashing by detecting the pressure at the front end and the rear end of the filter, and when the pressure difference is greater than a certain value; the device has the advantages of simple structure, compact design, better use and maintenance in narrow underground environment, high automation degree, large treatment capacity, capability of automatically cleaning and discharging pollution, uninterrupted water supply, wide application range and the like, provides reliable guarantee for underground water source purification of the coal mine, and creates favorable conditions for underground automatic mining.
The utility model discloses still have following advantage:
(1) the utility model discloses large-traffic full-automatic clear water filter station can realize automated control completely, reduces the human factor, saves the labour, improves work efficiency.
(2) The utility model discloses large-traffic full-automatic clear water filtering station purification water yield can reach 60m3/h, fine demand that satisfies the coal mine production volume.
(3) The utility model discloses large-traffic full-automatic clear water filters station possesses multiple safety measure, has improved the reliability of product.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope.
FIG. 1 is a schematic diagram of the high-flow fully automatic clear water filtering station of the present invention;
icon: 1-a water inlet; 2-water inlet electric valve; 3-a pressure reducing valve; 4-automatic pressure relief safety valve; 5-a water inlet three-way valve; 6-water outlet three-way valve; 7-a backwash valve; 8-manual pressure relief safety valve; 9-a first-stage filter; 10-a precision filter; 11-an exhaust valve; 12-raw water pressure gauge; 13-water inlet pressure gauge; 14-water outlet pressure gauge; 15-a sewage draining outlet; 16-a water outlet; 17-pressure sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
First embodiment
Referring to fig. 1, this embodiment provides a large-flow fully automatic clean water filtering station, which includes a water inlet electric valve 2 connected to a water inlet 1, a pressure reducing valve 3, an automatic pressure relief safety valve 4, a water inlet three-way valve 5, a water outlet three-way valve 6, a sewage outlet 15, a backwash valve 7, a manual pressure relief safety valve 8, a primary filter 9, a precision filter 10, a PLC, a pressure sensor 17, a raw water pressure gauge 12, a water inlet pressure gauge 13, a water outlet pressure gauge 14, and a vent valve 11, wherein the primary filter 9 and the precision filter 10 are conventional filters, the filtering station is controlled by the PLC, so as to automatically realize water purification of the filtering station, forward and reverse washing of the primary filter 9 and the precision filter 10, and make-and-break of liquid supply, the pressure reducing valve 3 with a large drift diameter and fixed value is configured at the water inlet 1, so as to avoid throttling of a raw water system and, but greatly reduced cost, when system's pressure is higher than use pressure, shunt step-down can be opened automatically to automatic pressure release relief valve 4, or manual pressure release relief valve 8 of opening, in order to guarantee following filter and other valve members, the pipeline, filter and valve member all possess factor of safety more than 2, guarantee that the system can safe and reliable's work, through choosing for use large-traffic valve member, increase system's pipeline pipe diameter, increase the filter area of filter, thereby reduce system's throttle, improve the filter capacity.
The components and the valves of the filtering station of the embodiment are connected through water pipes, the filtering station is provided with a water inlet 1 and a water outlet 16, water flow enters the filtering station from the water inlet 1 through a water pipe and is finally discharged from the water outlet 16, the water inlet 1 is communicated to a water source of tap water, the water inlet 1 is connected to a water inlet electric valve 2 through a water pipe, a pressure reducing valve 3 is connected to the water inlet electric valve 2 through a water pipe, the pipe diameter of the pressure reducing valve 3 is larger than that of the existing water pipe so as to reduce the pressure of raw water to be below 2Mpa, meanwhile, the pressure value of the pressure reducing valve 3 after pressure reduction is a constant value so as to reduce pressure resistance, the water inlet 1, the water inlet electric valve 2 and the pressure reducing valve 3 are sequentially connected through water pipes from the water inlet 1 to the pressure reducing valve 3, wherein, one of the water pipes is connected with a water inlet three-way valve 5, the water pipe passing through the water inlet three-way valve 5 is connected to the inlet of a primary filter 9, the outlet of the primary filter 9 is connected to a water outlet three-way valve 6, the water outlet three-way valve 6 is connected to the inlet of a precision filter 10 through a water pipe, and the outlet of the precision filter 10 is connected to a water outlet 16; the other water pipe is connected with a backwashing valve 7, the backwashing valve 7 is connected to a primary filter 9 through a water pipe, and the outlet of the primary filter 9 is connected to a water outlet three-way valve 6 through a water pipe; the water inlet three-way valve 5 and the water outlet three-way valve 6 are respectively connected to the sewage outlet 15 through water pipes, namely the water inlet three-way valve 5 and the water outlet three-way valve 6 are respectively connected to the sewage outlet 15 through water pipes; specifically, the water inlet three-way valve 5 is provided with three interfaces, one of the interfaces is connected to the pressure reducing valve 3 through a water pipe, the other interface is connected to the primary filter 9 through a water pipe, the third interface is connected to the sewage discharge port 15 through a water pipe, the water outlet three-way valve 6 is provided with three interfaces, one of the interfaces is connected to the primary filter 9 through a water pipe, the other interface is connected to the precision filter 10 through dried fruit, and the third interface is connected to the sewage discharge port 15 through a water pipe; namely, two water pipes which are branched from the pressure reducing valve 3, one water pipe passes through a water inlet three-way valve 5, a primary filter 9, a water outlet three-way valve 6 and a precision filter 10 in sequence and is finally discharged from a water outlet 16, and the other water pipe passes through a backwashing valve 7, the primary filter 9 and the water inlet three-way valve 5 in sequence and is finally discharged from a sewage outlet 15; in primary filter 9, the entry and the backwash outlet of primary filter 9 are the rivers passageway of same business turn over, and this rivers passageway sets up the top at primary filter 9, primary filter 9's bottom is provided with the export and the backwash entry of rivers respectively, primary filter 9 and precision filter 10's top is connected with discharge valve 11 respectively, two discharge valve 11 are respectively through bolt fixed connection in primary filter 9 and precision filter 10's the outside, discharge valve 11's setting, make when pressure differential is too big, discharge valve 11 discharges primary filter 9 or precision filter 10's inside gas.
The embodiment is also provided with other valve elements, the automatic pressure relief safety valve 4 is arranged on a water pipe between the pressure reducing valve 3 and the water inlet three-way valve 5, namely, a water pipe is branched from the water pipe between the pressure reducing valve 3 and the water inlet three-way valve 5, the automatic pressure relief safety valve 4 is arranged on the water pipe, the water pipe is discharged outwards after passing through the automatic pressure relief safety valve 4, the pressure relief value of the automatic pressure relief safety valve 4 is 2.5Mpa, so as to ensure that the working pressure of the filter is below 2.5Mpa, when the pressure at the position of the automatic pressure relief safety valve 4 exceeds a preset value, the automatic pressure relief safety valve 4 is opened, and the water flowing into the water; the manual pressure relief valve 8 is arranged on a water pipe between the water inlet three-way valve 5 and the primary filter 9, namely, a water pipe is branched from the water pipe between the water inlet three-way valve 5 and the primary filter 9, the manual pressure relief valve 8 is installed on the water pipe, the water pipe is discharged outwards after passing through the manual pressure relief valve 8, and when the pressure value of the water inlet pressure gauge 13 exceeds a preset value, the water flow between the water inlet three-way valve 5 and the primary filter 9 is shunted and relieved through the manual pressure relief valve 8. A water inlet pressure gauge 13 is arranged on a water pipe between the manual pressure relief safety valve 8 and the primary filter 9 to monitor the water flow pressure between the water inlet three-way valve 5 and the primary filter 9, and a water outlet pressure gauge 14 is arranged on a water pipe between the precision filter 10 and the water outlet 16 to monitor the water flow pressure at the outlet; this filtering station still includes PLC, and water inlet three-way valve 5, play water three-way valve 6 and backwash valve 7 are connected to PLC respectively, and pressure sensor 17 is provided with a plurality ofly and is connected to PLC respectively, and pressure sensor 17 is installed respectively in the entry and the exit of one-level filter 9 and precision filter 10 for the pressure differential size of monitoring the rivers exit of one-level filter 9, the rivers exit of precision filter 10 and mouthful department.
The filtering station of the embodiment regulates a forward washing process and a backwashing process by controlling water flow through a PLC, the starting process is forward washing, during forward washing, a backwashing valve 7 is closed, water flow passes through a pressure reducing valve 3 and then sequentially passes through an automatic pressure relief safety valve 4 and a water inlet three-way valve 5, the water flow which is branched from the water inlet three-way valve 5 passes through a manual pressure relief safety valve 8 and then enters an inlet of a primary filter 9, the water flow is discharged from an outlet of the primary filter 9 and flows to an inlet of a precision filter 10 through a water outlet three-way valve 6, and partial water flow passes through the water outlet three-way valve 6 and then flows to a sewage discharge outlet; the PLC presets the time of forward washing and the time of backwashing, and when the forward washing reaches the preset time, the PLC sends a closing instruction to the water inlet three-way valve 5 and sends an opening instruction to the backwashing valve 7 to enter the backwashing process; during backwashing, the water inlet three-way valve 5 is closed, water flows into a backwashing inlet of the primary filter 9 after passing through the backwashing valve 7, is discharged from a backwashing outlet of the primary filter 9, flows to the sewage discharge port 15 after passing through the water inlet three-way valve 5, and when backwashing reaches preset time, the PLC sends an opening instruction to the water inlet three-way valve 5 and sends a closing instruction to the backwashing valve 7 to enter a forward washing process. In addition, under the condition that the water flow pressure in the water pipe is constant, the PLC is triggered to adjust the opening and closing of the water inlet three-way valve 5 and the backwashing valve 7, when the pressure difference between the inlet and the outlet of the primary filter 9 or the precision filter 10 is larger than a set value, the pressure sensor 17 senses and transmits the pressure value to the PLC, the PLC judges the relation between the pressure difference and the set value, and therefore the PLC sends a closing instruction to the water inlet three-way valve 5 and sends an opening instruction to the backwashing valve 7. In addition, according to the detection of the liquid level height of the emulsion tank on the user side, when the liquid level reaches a certain value, the liquid supply is indicated to meet the system requirement, and a switching value signal is fed back, so that the PLC can automatically control the on-off of the liquid supply when the PLC opens and closes the water inlet electric valve 2.
In this embodiment, the big latus rectum definite value's relief pressure valve 3 is located to the department of intaking, chooses for use the big latus rectum relief pressure valve 3 can not produce the throttle to the system, and whether the pipeline size is concerned with liquid flow unobstructed, can not receive the resistance in the pipeline to produce the pressure loss, reduce the liquid velocity of flow, influence the stability and the water purification volume of pressure. It can be said that the design of the pipeline is a key factor for ensuring the filtering capacity, reducing the hydraulic shock and improving the product life, and the design of the pipeline can be determined by a pipeline calculation formula:
in the formula: q-system flow, v-liquid flow rate.
It can be seen from the formula that when the flow Q is constant, the pipe diameter d is inversely proportional to the liquid flow velocity v, so that the pipe diameter is properly increased in the system design, thereby avoiding pipeline throttling, promoting system pressure loss, generating heat to do work, and reducing the filtering treatment capacity.
To sum up, the embodiment of the utility model controls the water flow to enter through the water inlet electric valve, reduces the water flow pressure through the pressure reducing valve, controls the pressure in a safe range through the automatic pressure relief safety valve and the manual pressure relief safety valve, controls the forward washing and the backwashing process through the PLC adjusting the opening and closing of the water inlet three-way valve and the backwashing valve, controls the water flow to sequentially pass through the water inlet three-way valve, the primary filter, the water outlet three-way valve and the precision filter during the forward washing, and controls the water flow to sequentially pass through the backwashing valve, the primary filter and the water inlet three; the filter station can realize full-automatic control, and the filter can realize automatic forward backwashing by detecting the pressure at the front end and the rear end of the filter, and when the pressure difference is greater than a certain value; the device has the advantages of simple structure, compact design, better use and maintenance in narrow underground environment, high automation degree, large treatment capacity, capability of automatically cleaning and discharging pollution, uninterrupted water supply, wide application range and the like, provides reliable guarantee for underground water source purification of the coal mine, and creates favorable conditions for underground automatic mining.
This description describes examples of embodiments of the invention, and is not intended to illustrate and describe all possible forms of the invention. It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.
Claims (8)
1. A large-flow full-automatic clear water filtering station is characterized by comprising a water inlet electric valve, a pressure reducing valve, an automatic pressure relief safety valve, a water inlet three-way valve, a water outlet three-way valve, a drain outlet, a backwashing valve, a manual pressure relief safety valve, a primary filter and a precision filter, wherein the water inlet electric valve is connected to the pressure reducing valve through a water pipe; the other water pipe is connected with a backwashing valve, the backwashing valve is connected to a primary filter through a water pipe, and an outlet of the primary filter is connected to a water outlet three-way valve through a water pipe; the water inlet three-way valve and the water outlet three-way valve are connected to a drain outlet through water pipes respectively, the automatic pressure relief safety valve is arranged on a pressure reducing valve and a water pipe between the water inlet three-way valves, and the manual pressure relief safety valve is arranged on the water pipe between the water inlet three-way valve and the primary filter.
2. The station according to claim 1, wherein during forward washing, the backwash valve is closed, water flows through the pressure reducing valve, then sequentially passes through the automatic pressure relief safety valve and the water inlet three-way valve, water flows branched from the water inlet three-way valve passes through the manual pressure relief safety valve and then enters the inlet of the primary filter, water flows through the outlet of the primary filter and flows to the inlet of the precision filter through the water outlet three-way valve, and partial water flows to the drain outlet through the water outlet three-way valve.
3. The large-flow full-automatic clear water filtering station according to claim 2, wherein during backwashing, the water inlet three-way valve is closed, water flows into a backwashing inlet of the primary filter after passing through the backwashing valve, is discharged from a backwashing outlet of the primary filter, and flows to a sewage discharge outlet after passing through the water inlet three-way valve, and the backwashing outlet of the primary filter is the inlet of the primary filter.
4. The large-flow full-automatic clear water filtering station according to claim 3, characterized in that the large-flow full-automatic clear water filtering station further comprises a PLC, the water inlet three-way valve, the water outlet three-way valve and the backwashing valve are electrically connected to the PLC respectively, and when the forward washing reaches a preset time, the PLC sends a closing instruction to the water inlet three-way valve and sends an opening instruction to the backwashing valve to enter a backwashing process; and when the backwashing time reaches the preset time, the PLC sends an opening instruction to the water inlet three-way valve and sends a closing instruction to the backwashing valve, and the normal washing process is started.
5. The high-flow full-automatic clear water filtering station according to claim 4, characterized in that the high-flow full-automatic clear water filtering station further comprises a pressure sensor connected to a PLC, the pressure sensors are respectively installed at the inlet and the outlet of the primary filter and the precision filter, and when the pressure difference between the inlet and the outlet of the primary filter or the precision filter is greater than a set value, the PLC sends a closing instruction to the water inlet three-way valve and sends an opening instruction to the backwashing valve.
6. The station according to claim 1, wherein a raw water pressure gauge is disposed on a water pipe between the water inlet and the water inlet electric valve, a water inlet pressure gauge is disposed on a water pipe between the manual pressure relief safety valve and the primary filter, and a water outlet pressure gauge is disposed on a water pipe between the fine filter and the water outlet.
7. The station according to claim 1, wherein when the pressure at the automatic pressure relief valve exceeds a preset value, the automatic pressure relief valve opens and diverts the flow of water flowing into the water inlet three-way valve; when the pressure value of the water inlet pressure gauge exceeds a preset value, the water flow between the water inlet three-way valve and the primary filter is shunted and decompressed through the manual decompression safety valve.
8. The station according to claim 1, wherein the primary filter and the precision filter are further provided with exhaust valves, and the exhaust valves are respectively mounted on the outer sides of the primary filter and the precision filter, so that when the pressure difference is too large, the exhaust valves exhaust the gas inside the primary filter or the precision filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021358384.1U CN212818568U (en) | 2020-07-10 | 2020-07-10 | Large-traffic full-automatic clear water filtering station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021358384.1U CN212818568U (en) | 2020-07-10 | 2020-07-10 | Large-traffic full-automatic clear water filtering station |
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| CN212818568U true CN212818568U (en) | 2021-03-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130116A (en) * | 2021-10-26 | 2022-03-04 | 北京天玛智控科技股份有限公司 | Filter washing control method and device and electronic equipment |
| CN117046204A (en) * | 2023-09-25 | 2023-11-14 | 广东申菱商用空调设备有限公司 | Unit water system treatment device and control method thereof |
-
2020
- 2020-07-10 CN CN202021358384.1U patent/CN212818568U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130116A (en) * | 2021-10-26 | 2022-03-04 | 北京天玛智控科技股份有限公司 | Filter washing control method and device and electronic equipment |
| CN114130116B (en) * | 2021-10-26 | 2023-09-01 | 北京天玛智控科技股份有限公司 | A filter flushing control method, device and electronic equipment |
| CN117046204A (en) * | 2023-09-25 | 2023-11-14 | 广东申菱商用空调设备有限公司 | Unit water system treatment device and control method thereof |
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