CN209820845U - Water sample preprocessing device of water quality monitoring station - Google Patents
Water sample preprocessing device of water quality monitoring station Download PDFInfo
- Publication number
- CN209820845U CN209820845U CN201920110964.XU CN201920110964U CN209820845U CN 209820845 U CN209820845 U CN 209820845U CN 201920110964 U CN201920110964 U CN 201920110964U CN 209820845 U CN209820845 U CN 209820845U
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- Prior art keywords
- water
- shaped filter
- sampling pump
- filter
- pipeline
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 238000007781 pre-processing Methods 0.000 title abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 31
- 238000004062 sedimentation Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000010865 sewage Substances 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims description 10
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims 2
- 238000011001 backwashing Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model particularly relates to a water sample preprocessing device of quality of water monitoring station. The device comprises a filter cylinder, a sedimentation tank, a Y-shaped filter, a sampling pump and a sampling pump, wherein a water taking pipe of the sampling pump extends into the filter cylinder, a water outlet of the sampling pump is communicated with the sedimentation tank through a pipeline, the sedimentation tank is connected with the Y-shaped filter through the sampling pump, the Y-shaped filter is connected with a detection device through a pipeline, a backwashing water inlet pipe is arranged on the pipeline connecting the Y-shaped filter and the detection device, a backwashing water discharge pipe is arranged on the pipeline connecting the Y-shaped filter and the sampling pump, a sewage discharge port of the Y-shaped filter is communicated with a compressed air pipeline, after sampling is completed each time, cleaning water is fed into the backwashing water inlet pipe to backwash the Y-shaped filter from the axial direction, meanwhile, compressed air is blown in from a radial sewage discharge port. The Y-shaped filter of the precision filter in the device is not easy to block, and the maintenance period of the whole system can be prolonged.
Description
Technical Field
The utility model relates to an environmental monitoring equipment technical field, concretely relates to water sample preprocessing device of quality of water monitoring station.
Background
The water sample pretreatment technology and equipment are important components of a water quality monitoring station, and the pretreatment is to filter sample water, so that the water sample pretreatment technology and equipment play a role in protection, prevent impurities from damaging instruments and equipment and prolong the service life of the instruments; on the other hand, the influence of impurities on measurement is reduced, and the accuracy of monitoring data is ensured. The water sample must be pretreated before entering the instrument, the whole pretreatment is generally divided into three stages, including primary filtration of the water sample, then natural sedimentation is carried out in a sedimentation tank, the filtered and sedimentated silt is discharged periodically, and the water sample enters the analyzer after passing through a compact filtering device. In the whole pretreatment process, the precise filtering device is the place most prone to blockage faults, and the conventional device is generally cleaned regularly by operators, so that the device is troublesome.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a water sample pretreatment device for a water quality monitoring station, which can perform an independent back washing for a Y-type filter of a precision filtration device, and has a better washing effect.
The utility model discloses a following technical scheme realizes above-mentioned technical purpose:
the utility model provides a water sample preprocessing device of water quality monitoring station, including straining a section of thick bamboo, the sedimentation tank, Y type filter, the sampling pump, strain a section of thick bamboo and place in sample point department, the intake pipe of sampling pump stretches into and strains a section of thick bamboo in, the delivery port of sampling pump passes through the pipeline and communicates with the sedimentation tank, the sedimentation tank passes through the sampling pump and is connected with Y type filter, Y type filter passes through the pipeline and is connected with detection device, be provided with the back flush inlet tube on the pipeline that Y type filter and detection device are connected, be provided with the back flush drain pipe on the pipeline that Y type filter and sampling pump are connected, the drain outlet of Y type filter communicates with compressed air pipeline, after sampling each time is accomplished, advance washing water in the back flush inlet tube and carry out, meanwhile, compressed air is blown in from a radial sewage discharge port, and the compressed air and the sewage discharge port clean the Y-shaped filter at the same time.
Preferably, the compressed air pipeline is also provided with an ozone generating device.
Preferably, the sedimentation tank includes the columniform barrel, and the below of barrel is the back taper structure, is provided with the intake pipe on the top side of cylindrical structure, and the bottom of back taper structure is provided with sand discharge port, is provided with the center tube in the middle of the barrel is inside, center tube top and advance water piping connection, be provided with the reflecting plate under the center tube, the reflecting plate setting is between the bottom of center tube and sand discharge port.
Wherein, the reflecting plate is in a conical structure, and the diameter of the lower end of the reflecting plate is 1.2-1.5 times of that of the lower end of the central tube.
Preferably, an overflow pipe is arranged above the cylinder.
The utility model provides a water sample preprocessing device of quality of water monitoring station has following beneficial technological effect:
(1) the water sample is filtered in three steps and then detected, the structure flow is simple, the cost is low, the filtering and removing effect is good, and the influence of silt and the like on the blockage of the pipeline and the detection result can be effectively reduced. In the three-step filtration, the Y-shaped filter is the most easily blocked, and in the utility model, a backwashing structure is independently arranged on the Y-shaped filter, so that the Y-shaped filter can be conveniently backwashed after sampling is completed every time under the control of a controller, the Y-shaped filter is not easily blocked, the maintenance period can be prolonged, and the continuity of monitoring data can be better ensured;
(2) the backwashing of the Y-shaped filter is carried out by axially introducing cleaning water and radially introducing compressed air, the compressed air is blown in radially to generate bubble oscillation, so that filter residues and tap water flow out of the filter element together, and the gas-water mixed cleaning effect is achieved;
(3) ozone is mixed into the compressed air, so that the pipeline and the Y-shaped filter can be simultaneously subjected to algae removal, and the blockage of the Y-shaped filter is better avoided;
(4) the setting of sedimentation tank deposits efficiently, and is effectual, assurance testing result's that can be better accuracy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the sedimentation tank of FIG. 1;
in the figure, a filter cylinder 1, a sedimentation tank 2, a 3Y-shaped filter, a sampling pump 4, a backwashing drainage pipe 5, a backwashing water inlet pipe 6, an ozone generating device 7, a central pipe 21, a reflecting plate 22, an overflow pipe 23 and a fixing table 24 are arranged.
Detailed Description
In order to make the structure and principle of the present invention more clearly understood, the present invention is described in detail below with reference to the accompanying drawings and the detailed description:
as shown in figure 1, the water sample pretreatment device of the water quality monitoring station comprises a filter cylinder 1, a sedimentation tank 2, a Y-shaped filter 3 and a sampling pump 4, wherein the filter cylinder 1 is fixedly arranged at a sampling point through a buoy and the like, a water taking pipe of the sampling pump 4 extends into the filter cylinder 1, a water outlet of the sampling pump 4 is communicated with the sedimentation tank 2 through a pipeline, the sedimentation tank 2 is connected with the Y-shaped filter 3 through the sampling pump, the Y-shaped filter 3 is connected with a detection device (not shown in the figure) through a pipeline, the detection device is a device commonly used in the sewage detection process and can be installed specifically according to needs, in the utility model, a back washing water inlet pipe 6 is arranged on the pipeline connecting the Y-shaped filter 3 and the detection device, a back washing water drain pipe 5 is arranged on the pipeline connecting the Y-shaped filter 3 and the sampling pump, a drain outlet of the Y-shaped filter 3 is communicated with, the Y-shaped filter 3 is backwashed by cleaning water entering the backwash water inlet pipe 6 from the axial direction, and meanwhile, compressed air is blown in from the radial sewage discharge port, so that the Y-shaped filter 3 is flushed by the cleaning water and the radial sewage discharge port.
The utility model discloses a theory of operation does: during the sample, wait to detect the water sample and loop through the intake pipe that strains sampling pump in 1 and enter into the sedimentation tank, after impurity such as large granule silt is detached in preliminary sedimentation treatment, the sampling pump is examined the water sample and is got into detection device after Y type filter filters from the supernatant fluid extraction of sedimentation tank and is detected. The utility model discloses in, the water sample detects after three steps of filtration, and three steps of filtration are in proper order: the filter cartridge, the sedimentation tank and the Y-shaped filter have the advantages of simple structural flow, low cost, good filtering and removing effect, and capability of effectively reducing the blockage of silt and the like on the pipeline and the influence on the detection result. Above-mentioned three steps are filtered, what take place to block up most easily is Y type filter, the utility model discloses in, we have set up the back flush structure to Y type filter alone, this structure can be convenient to carry out the back flush to it under the control of controller promptly after the sample is accomplished at every turn, and Y type filter is difficult to block up, can prolong the maintenance cycle, better assurance monitoring data's continuity. The backwashing of the Y-shaped filter is carried out by axially introducing cleaning water and radially introducing compressed air, the compressed air is blown in radially to generate bubble oscillation, so that filter residues and tap water flow out of the filter element together, and the cleaning effect of gas-water mixing is achieved. The specific automatic control method is that valves and the like at various positions are connected with a controller, and the controller controls the valves through a program, which is a common prior art and is not described in detail herein.
In this embodiment, we have further set up ozone generating device on the compressed air pipeline, through mixing ozone, can remove the algae to pipeline and Y type filter simultaneously, better avoid Y type filter jam.
In this embodiment, sedimentation tank 2 includes the columniform barrel, and the below of barrel is the back taper structure, is provided with the intake pipe on the top side of cylindrical structure, and the sample pump is connected with the intake pipe, and the bottom of back taper structure is provided with sand discharge port, is provided with center tube 21 in the middle of the barrel is inside, and center tube 21 top and advance water piping connection are provided with reflecting plate 22 under center tube 21, and reflecting plate 22 sets up between center tube 21's bottom and sand discharge port. The water sample of gathering enters into sedimentation tank 2 along center tube 21 in, through the effect of reflecting plate, rivers become slowly upward flow, and silt is gradual subsides in the bottom, subsides to remove sand efficiently, can reduce the influence of external environment to the monitoring detection water sample, guarantees monitoring result's accuracy.
Meanwhile, the water inlet of the water inlet pipe can be arranged to be tangent to the central pipe 21, so that water in the water inlet pipe can enter the central pipe 21 along the tangential direction. The water sample that gathers passes through the inlet tube and enters into center tube 21 along tangential direction, because inflow is big, the velocity of flow is high, rivers form the rotatory rivers downwards in the center tube, form tangential centrifugal force at center tube lower extreme exit, sand grain and great muddy granule directly fall from the reflecting plate and fall into sand discharge mouth department, and the rivers have then become slowly upflow through the effect of reflecting plate, and less muddy granule slows down along with the ascending velocity of flow of water, subsides gradually to sand discharge mouth department.
In this embodiment, the reflector 22 is a conical structure, the reflector 22 is rotatably and fixedly disposed under the central tube 21, and the diameter of the lower end of the reflector is 1.2-1.5 times of the diameter of the lower end of the central tube to ensure that all the water sample coming out of the central tube can flow upward through the reflection of the reflector. The water in the central tube flows out in the tangential direction and flows upwards after passing through the reflecting plate, the tangential water flow continuously impacts the reflecting plate, silt is not easy to accumulate on the reflecting plate, but the scouring point of the water is generally fixed, on the basis, the reflecting plate is provided with a rotatable form, the reflecting plate can rotate under the action of the tangential water flow, and water samples impact different positions of the reflecting plate, so that the sedimentation of the silt on the reflecting plate can be better avoided on one hand, the reflecting plate can be protected on the other hand, and the reflecting plate is prevented from being damaged by repeated scouring of the water samples; the reflecting plate is in a conical structure and can buffer the scouring force of the water sample and the reflecting plate.
In this embodiment, the reflecting plate 22 is rotatably fixed on a circular fixing table 24, the diameter of the fixing table 24 is smaller than the diameter of the opening of the reflecting plate 22, a fixing column is arranged at the lower end of the reflecting plate 22, the fixing column penetrates through the fixing table 24 and can rotate relative to the fixing table 24, the lower end of the fixing column can also be fastened through a nut, specifically, the fixing column and the reflecting plate can be of an integrally formed structure, the fixing column penetrates through the fixing table, and the reflecting plate is rotatably arranged on the fixing table through the fixing column.
In this embodiment, the fixing table 24 is fixed to the cylinder by a bracket.
In this embodiment, the angle of inclination between the surface of the reflector 22 and the horizontal plane is 15-25 °.
In this embodiment, in order to avoid water leakage and water spraying which may be caused by the back washing pressure, an overflow pipe 23 is further arranged above the cylinder.
The above description is only a preferred embodiment of the present invention, and any modifications and equivalents made within the spirit and principles of the present invention are intended to be included within the scope of the claims.
Claims (5)
1. A water sample pretreatment device of a water quality monitoring station comprises a filter cylinder, a sedimentation tank, a Y-shaped filter, a sampling pump and a sampling pump, wherein the filter cylinder is placed at a sampling point, a water taking pipe of the sampling pump extends into the filter cylinder, a water outlet of the sampling pump is communicated with the sedimentation tank through a pipeline, the sedimentation tank is connected with the Y-shaped filter through the sampling pump, the Y-shaped filter is connected with a detection device through a pipeline, it is characterized in that a back flush water inlet pipe is arranged on a pipeline connecting the Y-shaped filter and the detection device, a back flush water drain pipe is arranged on a pipeline connecting the Y-shaped filter and the sampling pump, a drain outlet of the Y-shaped filter is communicated with a compressed air pipeline, cleaning water is fed into the back flush water inlet pipe to back flush the Y-shaped filter from the axial direction after sampling is completed each time, meanwhile, compressed air is blown in from a radial sewage discharge port, and the compressed air and the sewage discharge port clean the Y-shaped filter at the same time.
2. The water sample pretreatment device of the water quality monitoring station according to claim 1, wherein an ozone generating device is further arranged on the compressed air pipeline.
3. The water sample pretreatment device of the water quality monitoring station according to claim 1, wherein the sedimentation tank comprises a cylindrical barrel, the lower part of the barrel is in an inverted cone structure, a water taking pipe is arranged on the side surface of the upper part of the cylindrical structure, a sand discharging port is arranged at the bottom of the inverted cone structure, a central pipe is arranged in the middle of the inner part of the barrel, the upper part of the central pipe is connected with a water inlet pipe, a reflecting plate is arranged under the central pipe, and the reflecting plate is arranged between the bottom of the central pipe and the sand discharging port.
4. The water sample pretreatment device of the water quality monitoring station according to claim 3, wherein the reflecting plate is in a conical structure, and the diameter of the lower end of the reflecting plate is 1.2-1.5 times of that of the lower end of the central tube.
5. The water sample pretreatment device of the water quality monitoring station according to claim 3, characterized in that an overflow pipe is further arranged above the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920110964.XU CN209820845U (en) | 2019-01-23 | 2019-01-23 | Water sample preprocessing device of water quality monitoring station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920110964.XU CN209820845U (en) | 2019-01-23 | 2019-01-23 | Water sample preprocessing device of water quality monitoring station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209820845U true CN209820845U (en) | 2019-12-20 |
Family
ID=68871677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920110964.XU Expired - Fee Related CN209820845U (en) | 2019-01-23 | 2019-01-23 | Water sample preprocessing device of water quality monitoring station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209820845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588353A (en) * | 2021-09-29 | 2021-11-02 | 潍坊水利水质检测有限公司 | Unmanned aerial vehicle sampling device |
| CN117109984A (en) * | 2023-07-28 | 2023-11-24 | 陕西地矿九0八环境地质有限公司 | Layered water taking device and layered water taking method |
-
2019
- 2019-01-23 CN CN201920110964.XU patent/CN209820845U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588353A (en) * | 2021-09-29 | 2021-11-02 | 潍坊水利水质检测有限公司 | Unmanned aerial vehicle sampling device |
| CN113588353B (en) * | 2021-09-29 | 2021-12-14 | 潍坊水利水质检测有限公司 | Unmanned aerial vehicle sampling device |
| CN117109984A (en) * | 2023-07-28 | 2023-11-24 | 陕西地矿九0八环境地质有限公司 | Layered water taking device and layered water taking method |
| CN117109984B (en) * | 2023-07-28 | 2024-02-06 | 陕西地矿九0八环境地质有限公司 | Layered water taking device and layered water taking method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |