CN212166768U - A online filter equipment for water sample monitoring - Google Patents
A online filter equipment for water sample monitoring Download PDFInfo
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- CN212166768U CN212166768U CN202020388296.XU CN202020388296U CN212166768U CN 212166768 U CN212166768 U CN 212166768U CN 202020388296 U CN202020388296 U CN 202020388296U CN 212166768 U CN212166768 U CN 212166768U
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Abstract
The utility model discloses an online filter equipment for water sample monitoring, divide into the liquid storehouse through the inner chamber that will handle the storehouse, subside the storehouse, float storehouse and suspension storehouse, can be with the granule that can subside in the water sample, suspended particles and the fibrous floating particles that can float separate, can subside the granule and subside the back and discharge by continuous sand discharge mouth, float the granule come-up back and discharge from the liquid outlet along with rivers, the rethread filter filters suspended particles, only contain micro small particulate matter in the messenger's water sample, the maintenance cost to water sample analysis appearance has been reduced, the life of water sample analysis appearance has been improved. In addition, the external light type metal filtering membrane tube is used as a device for filtering suspended particles, after water sample collection is completed, the external light type metal filtering membrane tube can be directionally cleaned from inside to outside by using the backwashing mechanism, and qualified water sample and absorption are further guaranteed by backwashing in each circulation process.
Description
Technical Field
The utility model relates to a water sample monitoring technology field especially relates to an online filter equipment for water sample monitoring.
Background
The water quality monitoring is a process of monitoring and measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition. When the water quality monitor in the prior art carries out on-line monitoring on a high-turbidity water sample, more and larger settleable particles such as gravels and the like, suspended particles similar to the density of the water sample and floatable fibrous floating particles exist in the detected water sample, and especially in sewage treatment plants, hospital-derived sewage and production sewage of textile, printing and dyeing, papermaking and the like, the object impurities in the water sample not only affect the measurement index of the water quality, but also threaten an analytical and measurement instrument, and reduce the service life of the analytical and measurement instrument.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an online filter equipment for water sample monitoring is provided, can get rid of the solid particle in the water sample of being surveyed on line to keep instrument analysis index not changed in the water body, self can carry out automatic clearance maintenance simultaneously.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
the utility model provides an online filter equipment for water sample monitoring, includes a processing storehouse, its characterized in that:
the inner cavity of the treatment bin is divided into:
the liquid separation bin is close to one end of the liquid inlet of the treatment bin and is vertically arranged, so that settleable particles in the liquid can sink and floating particles can float;
the sedimentation bin is of a funnel structure, the upper end of the sedimentation bin is communicated with the lower end of the liquid separation bin, and the bottom of the sedimentation bin is provided with a continuous sand discharge port which can collect and discharge sedimentation particles;
the floating bin is horizontally arranged, one end of the floating bin is communicated with the upper end of the liquid separating bin, the other end of the floating bin is communicated with the liquid outlet of the treatment bin, a filter plate capable of blocking floating particulate matters from passing through is arranged at the bottom of the floating bin, and the floating particulate matters in the floating bin can be discharged from the liquid outlet along with the rise of the liquid level;
the suspension bin is positioned below the filter plate and communicated with the settling bin, and the bottom of the suspension bin is provided with an emptying pipe of an emptying valve;
the on-line filtering device further comprises:
the external light type metal filtering membrane tube is vertically arranged in the suspension bin;
one end of the water sample collecting pipe is hermetically connected with the liquid outlet end of the external light type metal filtering membrane pipe, the other end of the water sample collecting pipe is a measured water sample outlet, and a water sample collecting pump is arranged on the water sample collecting pipe;
one maintenance pipe is arranged in the water sample collecting pipe and is provided with an annular gap with the water sample collecting pipe, one end of the maintenance pipe is positioned in the external light type metal filtering membrane pipe, and the other end of the maintenance pipe is connected with a back washing mechanism for maintaining the external light type metal filtering membrane pipe.
The further technical scheme is as follows: divide the storehouse to include:
a division board, its vertical setting, both ends are fixed with the processing storehouse around the division board, have the liquid clearance of crossing between upper and lower both ends and the storehouse body, the division board is an obtuse angle structure, and its open end is towards the inlet, and the middle part of inlet and division board is corresponding.
The further technical scheme is as follows: the on-line filtering device further comprises:
the filtering bin is sleeved outside the external light type metal filtering membrane in a closed manner, filtering holes for primarily filtering suspended particles are formed in the filtering bin, and a one-way water-stop plate capable of being opened when the backwashing mechanism works is arranged at the bottom of the filtering bin.
The further technical scheme is as follows: the filter bin comprises an outer bin body and an inner bin body which are sleeved, the outer bin body and the inner bin body are fixed with the maintenance pipe, a space is reserved between the outer bin body and the inner bin body, and upper end faces of the outer bin body and the inner bin body are provided with filtering holes which are staggered up and down.
The further technical scheme is as follows: the upper end surfaces of the outer bin body and the inner bin body are both slope surfaces which incline downwards.
The further technical scheme is as follows: the back flush mechanism includes:
the air outlet end of the air storage part is hermetically connected with the maintenance pipe;
an air pump for inflating the air storage part;
a first pressure sensor for detecting the internal pressure of the gas storage part;
the first control valve is used for controlling the gas storage part to release gas with positive pressure;
and the signal input end of the first controller is connected with the first pressure sensor, and the control output end of the first controller is connected with the first control valve and the air pump.
The further technical scheme is as follows: the back flush mechanism includes:
the water inlet end of the liquid storage tank is connected with a water source through a pipe body, and a water pump is arranged on the pipe body;
the air bag is in an expanded state after air storage, is arranged in the liquid storage tank and has a liquid storage space with the liquid storage tank;
the second pressure sensor is used for detecting the internal pressure of the liquid storage tank;
the second control valve is used for controlling the liquid outlet end of the liquid storage tank to release the liquid with positive pressure;
and the signal input end of the second controller is connected with the second pressure sensor, and the control output end of the second controller is connected with the second control valve and the water pump.
The further technical scheme is as follows: the diapire of suspension storehouse is decurrent cone structure, the bottommost below of diapire is located to the blow-down pipe.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the on-line filtering method and the filtering device for water sample monitoring can separate settleable particles, suspended particles and floatable fibrous floating particles in a water sample by dividing the inner cavity of the treatment bin into a liquid bin, a settling bin, a floating bin and a suspending bin, the settleable particles are discharged from a continuous sand discharge port after being settled, the floating particles are discharged from a liquid outlet along with water flow after being floated, and the suspended particles are filtered by the filter, so that most solid impurities contained in the water sample can be removed, only trace micro particles are contained, the maintenance cost of the water sample analyzer is reduced, and the service life of the water sample analyzer is prolonged.
In addition, because the external light type metal filtering membrane tube is adopted as a device for filtering suspended particles in the filtering device, the structural characteristics of the external light type metal filtering membrane tube are utilized, after water sample collection is completed, the external light type metal filtering membrane tube can be directionally cleaned from inside to outside by utilizing a back washing mechanism, and qualified water sample and absorption are further ensured by back washing in each cycle process.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view (air-washing) of the back-washing mechanism of the present invention;
FIG. 3 is another schematic structural diagram (water washing) of the back washing mechanism of the present invention;
fig. 4 is a schematic structural view of the middle one-way water-stop sheet of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Example one
An on-line filtering method for monitoring water samples comprises the following steps:
a. leading out a water sample in a pipeline on line, layering the water body by reducing the flow velocity of the led-out water body, sinking and discharging settleable particles in the water body, and floating the floatable particles in the water body to be discharged along with the continuous entering of the water body;
b. filtering suspended particles contained in the water body through an external light type metal filtering membrane tube 200 to obtain a water sample, and introducing the water sample to a water quality analyzer for detection;
c. the metal filtering membrane tube 200 of the external light type is back-washed from the inside to the outside.
In order to implement the above online filtering method, the embodiment further includes an online filtering device for monitoring the water sample.
The on-line filtering device comprises a processing bin 100, wherein a liquid inlet of the processing bin 100 is connected with a pipeline, and a liquid outlet is emptied. The inner cavity of the treatment bin 100 is divided into a liquid separating bin 101, a settling bin 102, a floating bin 103 and a suspending bin 104, and settled particles and floating fibrous floating particles in a water body can be removed.
The liquid separating bin 101 is close to one end of the liquid inlet of the treating bin 100 and is vertically arranged, so that settleable particles in liquid can sink and floating particles can float.
The sedimentation bin 102 is of a funnel structure, the upper end of the sedimentation bin is communicated with the lower end of the liquid separation bin 101, and the bottom of the sedimentation bin is provided with a continuous sand discharge port which can collect and discharge sedimentation particles.
The suspension bin 104 is positioned below the filter plate 105 and is communicated with the settling bin 102, and the bottom of the suspension bin 104 is provided with an emptying pipe 106 of an emptying valve.
The on-line filtering device further comprises an external light type metal filtering membrane tube 200, a water sample collecting tube 300 and a maintenance tube 400.
In suspension storehouse 104 is vertically arranged in to external light type metal filter membrane pipe 200, through the filtration of external light type metal filter membrane pipe 200 to the water, can get rid of the suspended particles who draws forth in the water sample.
One end of the water sample collecting pipe 300 is hermetically connected with the liquid outlet end of the external light type metal filtering membrane pipe 200, the other end of the water sample collecting pipe is a measured water sample outlet, and a water sample collecting pump 301 is arranged on the water sample collecting pipe 300;
the maintenance pipe 400 is arranged in the water sample collection pipe 300, an annular gap is formed between the maintenance pipe 400 and the water sample collection pipe 300, one end of the maintenance pipe 400 is positioned in the external light type metal filtering membrane pipe 200, and the other end of the maintenance pipe is connected with a back washing mechanism 500 for maintaining the external light type metal filtering membrane pipe 200.
A water sample enters the liquid separation bin 101 from a liquid inlet of the treatment bin 100, a buffer space is arranged at the connection position of the liquid separation bin 101 and the inlet, the space caliber of the buffer space is more than 5 times of that of the liquid inlet, the flow speed of the liquid is rapidly slowed down after the liquid enters the buffer space, the liquid is divided into 3 liquid layers in the buffer space according to the different densities of particles in the liquid, and the liquid layers are respectively water layers containing settleable particles, suspended particles and floatable fibrous floating particles from bottom to top.
Since the liquid will continuously enter, the layered liquid will be pushed to the next stage. The floatable fibrous floating particles are pushed into the upper floating bin 103 and discharged out of the treatment bin 100 after reaching the liquid outlet. The settleable particles are pushed into the settling bin 102 below, the settling bin 102 is of a funnel type structure, the settleable particles are collected into the settling bin, a liquid outlet of a funnel type bin body of the settling bin is upwards opened to prevent the settleable particles from running out of the bin body, a contact sand discharge port is arranged at the bottom of the bin body, the aperture of the contact sand discharge port is not larger than one half of that of a liquid inlet, and the settleable particles are prevented from accumulating in the bin body. Thereby being capable of removing settleable particles and floating particles in the water body.
The inside impurity of water that gets into in the suspension storehouse 104 is mostly the suspended particle, when needs gather the water sample, starts water sample collection pump 301, and the water sample that is surveyed gets into water sample collection pipe 300 after the external light type metal filter membrane pipe 200 filters the suspended particle to from measuring water sample outlet discharge and getting into the water quality testing appearance in the analysis.
Through the filtration of the device, can get rid of most solid impurity that contains in the water sample, only contain micro small particulate matter, obtain the water sample that satisfies the measuring instrument.
After the water sample collection is completed, the external light type metal filtering membrane tube 200 can be directionally cleaned from inside to outside by using the backwashing mechanism 500, and the backwashing in each cycle process further ensures qualified water sample and absorption.
The on-line filtering method and the filtering device for water sample monitoring can separate settleable particles, suspended particles and floatable fibrous floating particles in a water sample by dividing the inner cavity of the treatment bin 100 into the liquid bin 101, the settlement bin 102, the floating bin 103 and the suspending bin 104, the settleable particles are discharged from the continuous sand discharge port after being settled, the floating particles are discharged from the liquid outlet along with water flow after being floated, and the suspended particles are filtered by the filter, so that most solid impurities contained in the water sample can be removed, only trace micro particles are contained, the maintenance cost of the water sample analyzer is reduced, and the service life of the water sample analyzer is prolonged.
Example two
Based on the first embodiment, the method further includes a first-stage filtration of the suspended particles contained in the water body before the step b, so as to remove large suspended particles.
The on-line filtering device further comprises a filtering bin 600, the filtering bin is sleeved outside the external light type metal filtering membrane pipe 200 in a closed manner, filtering holes for primarily filtering suspended particles are formed in the filtering bin, the external light type metal filtering membrane pipe 200 can be protected, and an one-way water-stop plate 603 capable of being opened when the backwashing mechanism 500 works is arranged at the bottom of the filtering bin 600.
As shown in fig. 4, one end of the one-way water stop plate 603 at one end of the one-way water stop plate 603 is hinged to the bin body, a tension spring 604 is fixed between the inner side of the water stop plate 603 and the inner wall of the bin body, when the backwashing mechanism 500 works, high-pressure gas or liquid overcomes the tension force of the clamp spring 604 and pushes the one-way water stop plate 603 to be opened outwards, and after the backwashing is finished, the one-way water stop plate 603 is closed under the action of the tension spring 604 to realize one-way opening and closing.
The filter bin 600 is configured to remove the remaining settleable particles and floatable fibrous floating particles in the water sample, and remove larger floating particles to avoid blocking the external light metal filter membrane tube 200. After entering the filtering bin 600 for filtering, the external light type filter only removes smaller suspended particles in the water sample, so as to ensure that the water sample meeting the measuring instrument is obtained.
The bottom of the filter bin 600 is provided with a one-way water stop sheet 603, when the device is back flushed, the one-way water stop sheet 603 is opened outwards under the action of forward pressure, impurities stripped from the interior of the filter bin 600 and the exterior metal filter membrane tube 200 are discharged to the suspension bin 104, and are discharged by opening the emptying valve, so that the next water sample is clean.
EXAMPLE III
Based on the second embodiment, the filtering bin 600 comprises an outer bin body 601 and an inner bin body 602 which are sleeved, the outer bin body 601 and the inner bin body 602 are both fixed with the maintenance pipe 400, a space is formed between the outer bin body 601 and the inner bin body 602, and filtering holes which are staggered up and down are formed in the upper end surfaces of the outer bin body 601 and the inner bin body 602.
Through staggering the filtration pore on outer storehouse body 601 and the interior storehouse body 602 from top to bottom, through the cross-flow, make the granule that can subside that gets into through outer storehouse body 601, vertical whereabouts under the effect of gravity, do not offer the filtration pore on the interior storehouse body 602 that corresponds to can keep off the granule that can subside outside the storehouse body 602. In addition, floating and suspended particles can be prevented from entering the bin body through the filtering function of the filtering holes.
Example four
Based on the third embodiment, the upper end surfaces of the outer bin 601 and the inner bin 602 are both slope surfaces which are inclined downwards. The falling particles can slide down along the slope surface and can not enter the filter cabin.
EXAMPLE five
According to a disclosed embodiment, the liquid separation chamber 101 comprises a separation plate 107 which is vertically arranged, the front end and the rear end of the separation plate are fixed with the treatment chamber 100, a liquid passing gap is arranged between the upper end and the lower end of the separation plate and the chamber body, the separation plate 107 is of an obtuse angle structure, the opening end of the separation plate faces the liquid inlet, and the liquid inlet corresponds to the middle of the separation plate 107.
The inlet corresponds to the middle part of division board 107 for the water sample gets into the back and has the biggest buffer space in minute liquid storehouse 101, and the velocity of flow of at utmost reduction water sample makes its layering. The two ends of the partition plate 107 respectively contract towards the upper end and the lower end to be close to the inner wall of the treatment bin 100, and the layered liquid quickly enters the bin body at the later stage.
EXAMPLE six
According to one embodiment of the disclosure, the backwashing mechanism 500 is air-washed, and specifically includes an air storage portion 501, an air pump 502, a first pressure sensor, a first control valve 503 and a first controller, wherein the air storage portion 501 may be an air storage tank or an air storage bag 506.
The air outlet end of the air storage part 501 is hermetically connected with the maintenance pipe 400, the air pump 502 inflates air to the air storage part 501, the first pressure sensor can be arranged on the air storage part 501 and used for detecting the internal pressure of the air storage part, the first control valve 503 is used for controlling the air of the air storage part 501 to release positive pressure, the signal input end of the first controller is connected with the first pressure sensor, and the control output end of the first controller is connected with the first control valve 503 and the air pump 502.
When reverse air washing is performed, the first control valve 503 is closed, the air pump 502 inflates air into the air storage portion 501, the first pressure sensor monitors the pressure of the air storage portion 501 in real time and transmits the monitored information to the first controller, and when the pressure in the air storage portion 501 reaches a set value, the first controller controls the air pump 502 to stop working and opens the first control valve 503. At this time, the high-pressure forward gas released from the gas storage 501 reversely washes the external light type metal filtering membrane tube 200 through the maintenance tube 400. The impurities attached to the outer surface of the external light type metal filtering membrane tube 200 in the water pumping process are quickly and reversely peeled off and pushed to the outside of the external light type metal filtering membrane tube 200, and the cleaning is completed for the next water pumping. Because the filter is of a single-end smooth surface type, directional cleaning from inside to outside can be formed, and backwashing in each circulation process ensures qualified water sample and absorption.
In addition, the pressure during air washing can reach a set value through the air storage of the air storage part 501, and the washing effect is good.
EXAMPLE seven
According to one disclosed embodiment, the backwash mechanism 500 is water washed, and the backwash mechanism 500 includes a reservoir 504, a bladder 506, a second pressure sensor, a second control valve 507, and a second controller.
The water inlet end of the liquid storage tank 504 is connected with a water source through a pipe body, the pipe body is provided with a water pump 505 and an air bag 506 which are in an expansion state after air storage, the water pump is arranged in the liquid storage tank 504, a liquid storage space is arranged between the water pump and the liquid storage tank 504, a second pressure sensor can be arranged in the liquid storage tank 504 and used for detecting the internal pressure of the liquid storage tank 504, a second control valve 507 is used for controlling the liquid outlet end of the liquid storage tank 504 to release forward pressure liquid, the signal input end of a second controller is connected with the second pressure sensor, and the control output end is connected with the second control.
When reverse washing is performed, the second control valve 507 is closed, the water pump 505 pumps water into the liquid storage tank 504, the second pressure sensor monitors the liquid pressure in the liquid storage tank 504 in real time and transmits monitored information to the second controller, and when the pressure in the gas storage portion 501 reaches a set value, the second controller controls the water pump 505 to stop working and opens the second control valve 507. At this time, the high-pressure liquid in the forward direction released from the liquid storage tank 504 reversely washes the external light type metal filtering film pipe 200 through the maintenance pipe 400.
The impurities attached to the outer surface of the external light type metal filtering membrane tube 200 in the water pumping process are quickly and reversely peeled off and pushed to the outside of the external light type metal filtering membrane tube 200, and the cleaning is completed for the next water pumping. Because the filter is of a single-end smooth surface type, directional cleaning from inside to outside can be formed, and backwashing in each circulation process ensures qualified water sample and absorption.
Example eight
According to the disclosed embodiment, the bottom wall of the suspension cabin 104 is in a downward cone structure, and the vent pipe 106 is arranged at the lowest part of the bottom wall. The arrangement of the cone structure is beneficial to the evacuation of the suspension cabin 104.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (8)
1. An on-line filtering device for water sample monitoring, comprising a processing chamber (100), characterized in that:
the inner cavity of the treatment bin (100) is divided into:
a liquid separation bin (101) which is close to one end of the liquid inlet of the treatment bin (100) and is vertically arranged, so that settleable particles in the liquid can sink and floating particles can float;
the sedimentation bin (102) is of a funnel structure, the upper end of the sedimentation bin is communicated with the lower end of the liquid separation bin (101), and the bottom of the sedimentation bin is provided with a continuous sand discharge port which can collect and discharge sedimentation particles;
the floating bin (103) is horizontally arranged, one end of the floating bin is communicated with the upper end of the liquid separating bin (101), the other end of the floating bin is communicated with the liquid outlet of the processing bin (100), a filter plate (105) capable of blocking floating particulate matters from passing through is arranged at the bottom of the floating bin (103), and the floating particulate matters in the floating bin (103) can be discharged from the liquid outlet along with the rise of the liquid level;
the suspension bin (104) is positioned below the filter plate (105) and is communicated with the sedimentation bin (102), and the bottom of the suspension bin (104) is provided with an emptying pipe (106) of an emptying valve;
the on-line filtering device further comprises:
the external light type metal filtering membrane tube (200) is vertically arranged in the suspension bin (104);
one end of the water sample collecting pipe (300) is hermetically connected with the liquid outlet end of the external light type metal filtering membrane pipe (200), the other end of the water sample collecting pipe is a measured water sample outlet, and a water sample collecting pump (301) is arranged on the water sample collecting pipe (300);
the maintenance pipe (400) is arranged in the water sample collection pipe (300) and is provided with an annular gap with the water sample collection pipe (300), one end of the maintenance pipe (400) is positioned in the external light type metal filtering membrane pipe (200), and the other end of the maintenance pipe is connected with a back washing mechanism (500) for maintaining the external light type metal filtering membrane pipe (200).
2. The on-line filtering device for water sample monitoring according to claim 1, characterized in that: the liquid distribution bin (101) comprises:
a division board (107), its vertical setting, both ends are fixed with processing storehouse (100) around the division board, have the liquid clearance between upper and lower both ends and the storehouse body, division board (107) are an obtuse angle structure, and its open end is towards the inlet, and the inlet is corresponding with the middle part of division board (107).
3. The on-line filtering device for water sample monitoring according to claim 1, characterized in that: the on-line filtering device further comprises:
the filtering bin (600) is sleeved outside the external light type metal filtering membrane pipe (200) in a closed manner, filtering holes for primarily filtering suspended particles are formed in the filtering bin, and a one-way water-stop plate (603) which can be opened when the backwashing mechanism (500) works is arranged at the bottom of the filtering bin (600).
4. The on-line filtering device for water sample monitoring according to claim 3, characterized in that: the filter bin (600) comprises an outer bin body (601) and an inner bin body (602), wherein the outer bin body (601) and the inner bin body (602) are sleeved with each other and fixed with the maintenance pipe (400), a space is formed between the outer bin body (601) and the inner bin body (602), and upper end faces of the outer bin body (601) and the inner bin body (602) are provided with filter holes which are staggered up and down.
5. The on-line filtering device for water sample monitoring according to claim 4, characterized in that: the upper end surfaces of the outer bin body (601) and the inner bin body (602) are both slope surfaces which incline downwards.
6. The on-line filtering device for water sample monitoring according to claim 1, characterized in that: the backwash mechanism (500) includes:
the air outlet end of the air storage part (501) is hermetically connected with the maintenance pipe (400);
an air pump (502) for inflating the air storage part (501);
a first pressure sensor for detecting the internal pressure of the gas storage part (501);
a first control valve (503) for controlling the gas storage part (501) to release the gas with positive pressure;
and a first controller, wherein the signal input end of the first controller is connected with the first pressure sensor, and the control output end of the first controller is connected with the first control valve (503) and the air pump (502).
7. The on-line filtering device for water sample monitoring according to claim 1, characterized in that: the backwash mechanism (500) includes:
a liquid storage tank (504), the water inlet end of which is connected with a water source through a pipe body, and a water pump (505) is arranged on the pipe body;
an air bag (506) which is in an expanded state after air storage and is arranged in the liquid storage tank (504) and has a liquid storage space with the liquid storage tank (504);
a second pressure sensor for detecting an internal pressure of the reservoir (504);
a second control valve (507) for controlling the liquid outlet end of the liquid storage tank (504) to release the liquid with positive pressure;
and the signal input end of the second controller is connected with the second pressure sensor, and the control output end of the second controller is connected with the second control valve (507) and the water pump (505).
8. The on-line filtering device for water sample monitoring according to claim 1, characterized in that: the bottom wall of the suspension bin (104) is of a downward cone structure, and the emptying pipe (106) is arranged at the lowest part of the bottom wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388296.XU CN212166768U (en) | 2020-03-24 | 2020-03-24 | A online filter equipment for water sample monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388296.XU CN212166768U (en) | 2020-03-24 | 2020-03-24 | A online filter equipment for water sample monitoring |
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| CN212166768U true CN212166768U (en) | 2020-12-18 |
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| CN202020388296.XU Active CN212166768U (en) | 2020-03-24 | 2020-03-24 | A online filter equipment for water sample monitoring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289339A (en) * | 2020-03-24 | 2020-06-16 | 河北科瑞达仪器科技股份有限公司 | Water sample pretreatment method and pretreatment system |
| CN116672805A (en) * | 2023-08-03 | 2023-09-01 | 芒果传感技术(深圳)有限公司 | Automatic filtering device, automatic filtering water monitoring station and control method |
-
2020
- 2020-03-24 CN CN202020388296.XU patent/CN212166768U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289339A (en) * | 2020-03-24 | 2020-06-16 | 河北科瑞达仪器科技股份有限公司 | Water sample pretreatment method and pretreatment system |
| CN116672805A (en) * | 2023-08-03 | 2023-09-01 | 芒果传感技术(深圳)有限公司 | Automatic filtering device, automatic filtering water monitoring station and control method |
| CN116672805B (en) * | 2023-08-03 | 2023-11-17 | 芒果传感技术(深圳)有限公司 | Automatic filtering device, automatic filtering water monitoring station and control method |
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