CN112619249A - Water quality pretreatment device and pretreatment method thereof - Google Patents
Water quality pretreatment device and pretreatment method thereof Download PDFInfo
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- CN112619249A CN112619249A CN202011630344.2A CN202011630344A CN112619249A CN 112619249 A CN112619249 A CN 112619249A CN 202011630344 A CN202011630344 A CN 202011630344A CN 112619249 A CN112619249 A CN 112619249A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Engineering & Computer Science (AREA)
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- Molecular Biology (AREA)
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- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a water quality pretreatment device, which comprises a pretreatment tank and a top cover, wherein the pretreatment tank is provided with a partition board, the pretreatment tank is divided into a pretreatment chamber and a post-treatment chamber by the partition board, and the top of the partition board is provided with a filter plate, and the water quality pretreatment device is characterized in that: the pretreatment chamber is internally provided with a front filtering device, a sealing gasket and a sealing buckle, the post-treatment chamber is internally provided with a rear filtering device, a cleaning mechanism, a back-washing nozzle and a water outlet, and one side of the post-treatment chamber at the bottom of the top cover is provided with a circular clamping groove. The invention also discloses a pretreatment method based on the device, which not only can effectively filter silt particles and floccules, but also is convenient to clean and replace the filter device, has the function of preventing liquid leakage, and ensures the water quality detection requirements under different conditions.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to a water quality pretreatment device and a pretreatment method thereof.
Background
The water quality monitoring work plays a key role in protecting water resources, controlling water pollution, improving the quality of drinking water and the like. The main measurement indexes are pH value, conductivity, ammonia nitrogen, total phosphorus, COD, turbidity and the like. At present, a sewage quality detection system consists of sewage discharge monitoring points (an image station, a water quality station and a flow station) and a sewage quality online monitoring platform, and can realize automatic sampling, flow online monitoring, main pollution factor online monitoring and scene condition snapshot of enterprise wastewater, urban sewage, rural sewage and aquaculture sewage. At present, the unmanned ship is frequently used for water sampling and water quality detection in water quality monitoring, and in the equipment in the ship that the sampling pump on the unmanned ship is collected the water sample in the water area, when the water quality on-line monitoring instrument works to fetch water, impurities such as silt and floccule in the water body easily enter the water quality sampling pipeline of the water quality on-line monitoring instrument, so that the water quality sampling pipeline is blocked, the monitoring instrument cannot normally work, and the maintenance workload of the system is increased. Traditional water quality preprocessing device is at the water pump water inlet with the filter and adopt the adverse current sample mode, discovers in the actual work, and fine silt particle and floccule still can be by the suction in water quality sampling pipe way in the quality of water, cause blocking phenomenon, lead to equipment can not normally work.
Disclosure of Invention
The invention aims to overcome the technical defects of the prior art and provide a water quality pretreatment device and a pretreatment method thereof, which not only can effectively filter silt particles and floccules, but also can be conveniently cleaned and replaced, have the function of preventing liquid leakage and ensure the water quality detection requirements under different conditions.
The technical scheme of the invention is as follows: the utility model provides a water quality preprocessing device, includes pretreatment tank and top cap, pretreatment tank sets up the baffle, the baffle is cut apart pretreatment tank into pretreatment room and aftertreatment room, the baffle top is equipped with the filter, filter equipment before being equipped with in the pretreatment room still is equipped with seal gasket and sealed buckle, be equipped with back filter equipment, wiper mechanism, back flush nozzle and delivery port in the aftertreatment room, circular draw-in groove is left to top cap bottom aftertreatment room one side.
Preferably, preceding filter equipment upper end is equipped with the inlet tube, the inlet tube root is located preceding filter equipment upper end intermediate position, and with preceding filter equipment intercommunication, preceding filter equipment includes fastener, sealed festival, cylinder and is the crisscross filtration grid of arranging of level or is the wave filter plate of vertically arranging.
Preferably, the sealing gasket is composed of a horizontal annular sealing gasket and a reducing annular sealing gasket.
Preferably, the thickness of the clamping piece is the same as the distance between the horizontal annular sealing gasket and the sealing clamping piece. And the horizontal included angle of the sealing joint is the same as that of the reducing annular sealing gasket.
Preferably, after filter equipment including be the filter screen of cask form and be used for supporting, fixed the support column of filter screen, the lateral wall of support column is attached to be fixed on the filter screen or with filter screen integrated into one piece, the top of support column is fixed in the draw-in groove, the topmost edge of filter screen with the bottom surface of top cap is laminated mutually.
Preferably, wiper mechanism includes the motor, supports base, sleeve and fixed knob, the motor is established aftertreatment room top central authorities, the pivot is installed to the motor output, just the pivot bottom extends to in the aftertreatment room inner chamber and with it connects to support the base, the back shaft pedestal mounting be in aftertreatment room inner chamber bottom central authorities, install the bracing piece in the pivot, bracing piece one end is passed through the sleeve and is fixed with fixed knob in the pivot install the cleaning brush along the axial on the bracing piece, the cleaning brush hair end with back filter equipment's lateral wall contacts.
Preferably, the backwash nozzle and the water outlet are located inside the back filter device.
Preferably, the bottoms of the pre-treatment chamber and the post-treatment chamber are both provided with conical bottoms, the lower ends of the conical bottoms are provided with drain pipes, and valves are arranged on the drain pipes.
Preferably, the pretreatment tank is made of transparent organic glass, and the sealing gasket is made of wear-resistant rubber.
Preferably, a pretreatment method based on the device comprises the following steps:
s1: the valve is checked and closed to avoid liquid leakage;
s2: the raw water sample flows through the front filtering device through the water inlet pipe and then enters the pretreatment chamber, larger floating objects in the raw water sample are intercepted by the front filtering device, and particles such as fine silt and the like are intercepted by the front filtering device or fall into the conical bottom, so that the preliminary filtration of the water sample is realized;
s3: the water sample after primary filtration enters a post-treatment chamber through a filter plate, and the filter plate intercepts floccules or larger floaters in the water sample again;
s4: after the water sample in the pretreatment chamber passes through the post-filtering device, the water sample is subjected to fine filtering and enters a subsequent water quality detection instrument from a water outlet;
s5: in the back washing process, the valve is opened, back washing water is sprayed in from the back washing nozzle, the cleaning mechanism is started, the back filtering device can be cleaned, and waste water after cleaning is discharged through the drain pipe, so that the filtering efficiency of the back filtering device is improved, and the filtering effect is guaranteed.
S6: when the front filter device is replaced, the front treatment device is rotated, so that the clamping piece is separated from a gap between the sealing buckle and the horizontal annular sealing gasket, the front treatment device is taken out, the operation is convenient, and liquid leakage can be avoided.
Compared with the prior art, the invention has the beneficial effects that:
(1) the device is through preceding filter equipment, filter plate and back filter equipment's combination, and the filter effect is better, and utilizes impurity such as tiny silt, flocculus in the toper bottom enrichment water sample, discharges through the drain pipe, and the operation is more high-efficient, convenient.
(2) Through setting up wiper mechanism and back flush nozzle, be convenient for wash the impurity of attaching to on the filter screen, not only promoted the filtration efficiency of filter screen, still ensured play water quality of water, also improved the life of device.
(3) The clamping piece and the sealing joint of the front filtering device are attached to the horizontal annular sealing gasket, the sealing clamping piece and the reducing annular sealing gasket, the pretreatment device is convenient to replace, and the liquid leakage phenomenon can be avoided.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of a top cover of the present invention.
FIG. 3 is an enlarged view of the region "A" of the present invention shown in FIG. 1.
FIG. 4 is a schematic view of a cleaning apparatus according to the present invention.
FIG. 5 is a schematic view of a front filter device.
Fig. 6 is a schematic structural view of a post-filtering device.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-a pretreatment box, 2-a pretreatment chamber, 3-a post-treatment chamber, 4-a pre-filtering device, 5-a water inlet pipe, 6-a sealing gasket, 7-a filter plate, 8-a post-filtering device, 9-a sealing fastener, 10-a cleaning mechanism, 11-a top cover, 12-a water outlet, 13-a back washing nozzle, 14-a clapboard, 15-a clamping groove, 16-a conical bottom, 17-a water outlet pipe, 18-a valve, 41-a fastener, 42-a sealing joint, 43-a cylinder, 44-a filtering grid, 45-a wave-shaped filter plate, 61-a horizontal annular sealing gasket, 62-a variable diameter annular sealing gasket, 81-a supporting column, 82-a filter screen, 101-a motor, 102-a rotating shaft and 103-a cleaning brush, 104-support bar, 105-sleeve, 107-fixing knob, 108-support base.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a water quality preprocessing device, including pretreatment tank 1 and top cap 11, pretreatment tank 1 sets up baffle 14, baffle 14 will be pretreatment tank 1 and cut apart into pretreatment chamber 2 and aftertreatment room 3, baffle 14 top is equipped with filter 7, be equipped with preceding filter equipment 4 in the pretreatment chamber 2, still be equipped with seal gasket 6 and sealed buckle 9, be equipped with back filter equipment 8 in the aftertreatment room 3, wiper mechanism 10, back flush nozzle 13 and delivery port 12, top cap 11 bottom leaves circular draw-in groove 15 in 3 one side in the aftertreatment room. The back washing nozzle 13 and the water outlet 12 are located inside the filter device 8, and the sealing gasket 6 is composed of a horizontal annular sealing gasket 61 and a reducing annular sealing gasket 62.
Preceding filter equipment 4 upper end is equipped with inlet tube 5, and the inlet tube 5 root is located preceding filter equipment 4 upper end intermediate position, and communicates with preceding filter equipment 4, preceding filter equipment 4 includes fastener 41, sealed festival 42, cylinder 43 and be the crisscross filtration grid 44 of arranging of level or be the vertically wavy filter plate 45 of arranging.
The thickness of the clamping piece 41 is the same as the distance between the horizontal annular sealing gasket 61 and the sealing clamping piece 9; the horizontal included angle of the sealing joint 42 is the same as that of the reducing annular sealing gasket 62.
After filter equipment 8 including being filter screen 82 of cask form and being used for supporting, fixing filter screen 82's support column 81, the lateral wall of support column 81 is attached to be fixed on filter screen 82 or with filter screen 82 integrated into one piece, the top of support column 81 is fixed in draw-in groove 15, filter screen 82 the top edge with the bottom surface of top cap 11 is laminated mutually.
Cleaning mechanism 10 includes motor 101, support base 108, sleeve 105 and fixed knob 107, motor 101 is established 3 top central authorities in aftertreatment room, pivot 102 is installed to the motor 101 output, just pivot 102 bottom extends to in 3 inner chambers in aftertreatment room and with support base 108 and connect, support shaft base 108 is installed 3 inner chamber bottom central authorities in aftertreatment room, install bracing piece 104 in the pivot 102, bracing piece 104 one end is passed through sleeve 105 and fixed knob 107 and is fixed in the pivot 102 on the bracing piece 104 along the axial install cleaning brush 103, cleaning brush 103 brush bristle end with the lateral wall of back filter equipment 8 contacts.
The bottoms of the pre-treatment chamber 2 and the post-treatment chamber 3 are both provided with a conical bottom 16, the lower end of the conical bottom 16 is provided with a drain pipe 17, and the drain pipe is provided with a valve 18.
The material of the pretreatment box 1 is transparent organic glass, and the material of the sealing gasket 6 is wear-resistant rubber.
The pretreatment method based on the device comprises the following steps:
s1: check and close the valve 18 to avoid leakage;
s2: the raw water sample flows through the front filtering device 4 from the water inlet pipe 5 and then enters the pretreatment chamber 2, larger floating objects in the raw water sample are intercepted by the front filtering device 4, and particles such as fine silt and the like are intercepted by the front filtering device 4 or fall into the conical bottom 16, so that the preliminary filtration of the water sample is realized;
s3: the water sample after primary filtration enters the post-treatment chamber 3 through the filter plate 7, and the filter plate 7 intercepts floccules or larger floaters in the water sample again;
s4: after the water sample in the pretreatment chamber 3 passes through the post-filtering device 8, the water sample is finely filtered and enters a subsequent water quality detection instrument through a water outlet 12;
s5: in the back washing process, the valve 18 is opened, back washing water is sprayed in through the back washing nozzle 13, the cleaning mechanism 10 is started, the back filtering device 8 can be cleaned, and waste water after cleaning is discharged through the water discharge pipe 17, so that the filtering efficiency of the back filtering device 8 is improved, and the filtering effect is guaranteed.
S6: when the front filter device 4 is replaced, the pretreatment device 4 is rotated, so that the clamping piece 41 is separated from the gap between the sealing buckle 9 and the horizontal annular sealing gasket 61, the pretreatment device 4 is taken out, the operation is convenient, and liquid leakage can be avoided.
By adopting the technical scheme, the technical defects in the prior art can be overcome, the technical problem to be solved by the invention is to overcome the technical defects in the prior art, and provide the water quality pretreatment device and the pretreatment method thereof, which not only can effectively filter silt particles and floccules, but also are convenient to clean and replace the filter device, have the function of preventing liquid leakage, and ensure the operation stability and the measurement accuracy of the water quality detection equipment.
The above examples are merely illustrative for clarity and are not intended to limit the embodiments. Other variants and modifications of the invention, obvious to those skilled in the art, may be made on the basis of the above description, while remaining within the scope of the invention as it is hereby claimed.
Claims (10)
1. The utility model provides a water quality preprocessing device, includes pretreatment tank and top cap, pretreatment tank sets up the baffle, the baffle will be pretreated the case and cut apart into pretreatment chamber and aftertreatment room, the baffle top is equipped with filter, its characterized in that: the pretreatment chamber is internally provided with a front filtering device, a sealing gasket and a sealing buckle, the post-treatment chamber is internally provided with a rear filtering device, a cleaning mechanism, a back-washing nozzle and a water outlet, and one side of the post-treatment chamber at the bottom of the top cover is provided with a circular clamping groove.
2. A water quality pretreatment device according to claim 1, wherein a water inlet pipe is arranged at the upper end of the front filter device, the root of the water inlet pipe is positioned at the middle position of the upper end of the front filter device and is communicated with the front filter device, and the front filter device comprises clamping pieces, sealing sections, cylinders, and filter grids which are horizontally staggered or corrugated filter plates which are longitudinally arranged.
3. A water quality pretreatment device according to claim 1 or 2, wherein the sealing gasket is composed of a horizontal annular sealing gasket and a variable diameter annular sealing gasket.
4. A water quality pretreatment device according to claim 3, wherein the thickness of the clamping piece is the same as the distance between the horizontal annular sealing gasket and the sealing clamping piece, and the horizontal included angle of the sealing joint is the same as the horizontal included angle of the reducing annular sealing gasket.
5. A water quality pretreatment device according to claim 1, wherein the post-filtration device comprises a barrel-shaped filter screen and a support column for supporting and fixing the filter screen, the side wall of the support column is attached and fixed on the filter screen or integrally formed with the filter screen, the top end of the support column is fixed in the clamping groove, and the edge of the topmost end of the filter screen is attached to the bottom surface of the top cover.
6. A water quality preprocessing device according to claim 1, characterized in that, wiper mechanism includes motor, support base, sleeve and fixed knob, the motor is established in aftertreatment room top central authorities, the pivot is installed to the motor output, just the pivot bottom extends to in the aftertreatment room inner chamber and with the support base is connected, the back shaft base is installed aftertreatment room inner chamber bottom central authorities, install the bracing piece in the pivot, bracing piece one end is passed through the sleeve and is fixed knob and is fixed in the pivot install the cleaning brush along the axial on the bracing piece, cleaning brush hair end with the lateral wall of post filter equipment contacts.
7. A water quality pre-treatment apparatus as claimed in claim 1 wherein the backwash nozzle and the water outlet are located within the post-filtration device.
8. A water quality pretreatment device according to claim 1, wherein the bottoms of the pretreatment chamber and the post-treatment chamber are provided with conical bottoms, the lower ends of the conical bottoms are provided with drain pipes, and valves are arranged on the drain pipes.
9. A water quality pretreatment device according to claim 1, wherein the pretreatment tank is made of transparent organic glass, and the sealing gasket is made of wear-resistant rubber.
10. A water quality pretreatment device according to any one of claims 1 to 9, wherein the pretreatment method of the device comprises the steps of:
s1: the valve is checked and closed to avoid liquid leakage;
s2: the raw water sample flows through the front filtering device through the water inlet pipe and then enters the pretreatment chamber, larger floating objects in the raw water sample are intercepted by the front filtering device, and particles such as fine silt and the like are intercepted by the front filtering device or fall into the conical bottom, so that the preliminary filtration of the water sample is realized;
s3: the water sample after primary filtration enters a post-treatment chamber through a filter plate, and the filter plate intercepts floccules or larger floaters in the water sample again;
s4: after the water sample in the pretreatment chamber passes through the post-filtering device, the water sample is subjected to fine filtering and enters a subsequent water quality detection instrument from a water outlet;
s5: in the back washing process, the valve is opened, back washing water is sprayed in from the back washing nozzle, the cleaning mechanism is started, the back filtering device can be cleaned, and waste water after cleaning is discharged through the drain pipe, so that the filtering efficiency of the back filtering device is improved, and the filtering effect is guaranteed.
S6: when the front filter device is replaced, the front treatment device is rotated, so that the clamping piece is separated from a gap between the sealing buckle and the horizontal annular sealing gasket, the front treatment device is taken out, the operation is convenient, and liquid leakage can be avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011630344.2A CN112619249A (en) | 2020-12-31 | 2020-12-31 | Water quality pretreatment device and pretreatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011630344.2A CN112619249A (en) | 2020-12-31 | 2020-12-31 | Water quality pretreatment device and pretreatment method thereof |
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| CN112619249A true CN112619249A (en) | 2021-04-09 |
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| CN202011630344.2A Pending CN112619249A (en) | 2020-12-31 | 2020-12-31 | Water quality pretreatment device and pretreatment method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117949283A (en) * | 2024-03-27 | 2024-04-30 | 山东华正检测有限公司 | Detection device for environmental water quality detection |
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| CN209853906U (en) * | 2019-01-25 | 2019-12-27 | 夏旭涛 | Sewage treatment plant for construction |
| CN214763711U (en) * | 2020-12-31 | 2021-11-19 | 杭州石炭纪环保科技有限公司 | Water quality pretreatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102252891A (en) * | 2011-04-21 | 2011-11-23 | 上海摩特威尔自控设备工程有限公司 | Multistage filtering device in water sample pretreatment system |
| CN103083962A (en) * | 2013-02-21 | 2013-05-08 | 南通海鹰机电集团有限公司 | Self-sweeping filter |
| CN203629915U (en) * | 2013-12-10 | 2014-06-04 | 浙江天煌科技实业有限公司 | Online type water quality pre-treatment system |
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| CN117949283A (en) * | 2024-03-27 | 2024-04-30 | 山东华正检测有限公司 | Detection device for environmental water quality detection |
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