CN115196773A - Surface water pretreatment device and process - Google Patents
Surface water pretreatment device and process Download PDFInfo
- Publication number
- CN115196773A CN115196773A CN202210907122.3A CN202210907122A CN115196773A CN 115196773 A CN115196773 A CN 115196773A CN 202210907122 A CN202210907122 A CN 202210907122A CN 115196773 A CN115196773 A CN 115196773A
- Authority
- CN
- China
- Prior art keywords
- wall
- groove
- pretreatment
- sample
- turbidity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a surface water pretreatment device, which comprises a main body, supporting legs, a first mounting groove, an overflow groove, a second mounting groove, a sand filtering component, a membrane filtering component, a first overflow hole, a second overflow hole and a sample water inlet pipe, wherein the first mounting groove is formed in the main body; the surface water pretreatment device is simple in structure and convenient to use, so that the sample treated by the surface water pretreatment device can reflect the representativeness and accuracy of the sample to the maximum extent, the arranged sand filtering component is convenient to filter the sample water through quartz sand, the filtering effect is good, the installation, the fixation, the replacement and the maintenance of the plug board are convenient, and the labor is saved.
Description
Technical Field
The invention relates to the technical field of surface water pretreatment equipment, in particular to a surface water pretreatment device and process.
Background
Surface water, which is a general term for dynamic water and static water on the surface of land, is also called land water, and comprises various liquid and solid water bodies, such as rivers, lakes, marshes, glaciers, ice covers and the like; the method is one of important sources of human domestic water and is a main component of water resources of various countries, under the weather condition that northwest season wind is the main factor during 12 months to 3 months in the next year, the turbidity of some surface water is higher, under the influence of cyanobacterial bloom, the biological parameters such as algae density, chlorophyll a and the like can be in a high development stage, under the condition, the monitoring indexes of permanganate index, ammonia nitrogen, total nitrogen and total phosphorus related to the test principle of total digestion photometry and photometry are greatly interfered, and therefore, the design of a surface water pretreatment device is necessary.
Disclosure of Invention
The invention aims to provide a surface water pretreatment device and a process, the surface water pretreatment device is simple in structure and convenient to use, so that a sample treated by the surface water pretreatment device can reflect the representativeness and accuracy of the sample to the maximum extent, and the arranged sand filtering component is convenient to filter the sample water through quartz sand, has a good filtering effect, is convenient to install, fix, replace and maintain an inserting plate, and is convenient and labor-saving.
The purpose of the invention can be realized by the following technical scheme:
a surface water pretreatment device comprises a main body, supporting legs, a first mounting groove, an overflow groove, a second mounting groove, a sand filtering component, a membrane filtering component, a first overflow hole, a second overflow hole and a sample water inlet pipe, wherein the main body is internally provided with the first mounting groove, the main body is positioned inside the first mounting groove and is provided with the overflow groove, the main body is positioned on the outer wall of the top end of the overflow groove and is provided with the second mounting groove, the sand filtering component is arranged inside the first mounting groove, the inner wall of the first mounting groove, which is positioned on one side below the sand filtering component, is provided with the first overflow hole in a through manner, the first overflow hole is communicated with the overflow groove, the overflow groove is positioned on the inner wall above the first overflow hole and is provided with the second overflow hole in a through manner, the second overflow hole is communicated with the second mounting groove, the membrane filtering component is arranged inside the second mounting groove, four corners of the outer wall of the bottom end of the main body are fixedly provided with the supporting legs, the sample water inlet pipe is arranged on the outer wall of the top end of the main body, which corresponds to the first mounting groove in a through manner, and is communicated with the first mounting groove;
the sand filter component comprises a first plug groove, a seal groove, a plug board, a seal plate, a grid tray, quartz sand, a grid cover, a first seal rubber gasket, a third mounting groove, a second seal rubber gasket, a rotating plate, a large-head bolt, an L-shaped clamping plate and a top block, wherein a plurality of seal grooves are formed in one side inner wall of the main body, the inner wall of the first mounting groove is provided with the corresponding seal groove, the first plug groove is communicated with the first plug groove, the plug board is plugged in the first plug groove, the third mounting groove is formed in the outer wall of the top end of the plug board in a through mode, the grid tray is fixed on the inner wall of the third mounting groove, the grid tray is arranged on the outer wall of the top end of the third mounting groove, the third mounting groove is fixed with the grid cover on the inner wall above the quartz sand, the first seal rubber gasket is fixed on the outer wall of the plug board and the first plug groove, the seal rubber gasket is fixed on one side of the plug board in the seal groove, the seal plate is fixed with the second rubber gasket on the outer wall of the periphery of the plug board, and the outer wall of the seal gasket is attached to the seal groove.
As a further scheme of the invention: the main part is located and is fixed with a plurality of rotor plates on the outer wall of seal groove top, the screw thread has connect the big-end bolt soon on the outer wall of rotor plate, one of big-end bolt is served and is corresponded the closing plate and rotate and install the kicking block, and the outer wall laminating of the outer wall of kicking block and closing plate, it is fixed with a plurality of L type cardboards to correspond the rotor plate on the outer wall of main part, and the other end card of L type cardboard is on L type cardboard.
As a further scheme of the invention: the membrane filtering component comprises a U-shaped plate, a second insertion groove, a membrane insertion plate, a sealing cover, an insertion sealing block and a third sealing rubber mat, a plurality of U-shaped plates are fixed on the inner wall of the second mounting groove, the second insertion groove is formed in the outer wall of each U-shaped plate, the membrane insertion plate is inserted into the inner wall of the second insertion groove in an insertion mode, a sealing cover is fixed on the outer wall of the top end of the second mounting groove through bolts, the insertion sealing block is fixed on the outer wall of the bottom end of the sealing cover, the insertion sealing block is fixed on the outer wall of the bottom end of the second mounting groove in a plugging mode, and the outer wall of the bottom end of the third sealing rubber mat is attached to the outer wall of the top end of the membrane insertion plate.
As a further scheme of the invention: install first automatic check instrument on the bottom inner wall of first mounting groove, install second automatic check instrument on the bottom outer wall that the second mounting groove is located U template one side.
As a further scheme of the invention: the main part is located and link up on the outer wall of first inserting groove below and installs first outlet pipe, and first outlet pipe and first mounting groove intercommunication, link up on the opposite side outer wall of main part and install the second outlet pipe, and second outlet pipe and second mounting groove intercommunication, install the peristaltic pump on one side of main part, be connected with the connecting pipe on the bottom outer wall of peristaltic pump water inlet, and the other end and first outlet pipe and the second outlet pipe intercommunication of connecting pipe, install first solenoid valve on the outer wall of first outlet pipe, install the second solenoid valve on the outer wall of second outlet pipe.
As a further scheme of the invention: the main part link up on being located the outer wall of first outlet pipe one side and installs first recoil pipe, and first recoil pipe and first mounting groove intercommunication, the main part is located and link up on the outer wall of second outlet pipe one side and installs second recoil pipe, and second recoil pipe and second mounting groove intercommunication, all install the valve on the outer wall of first recoil pipe and second recoil pipe.
A process for the pretreatment of surface water comprising the steps of:
designing a relevant program by using an integrated controller, setting the program, carrying out real-time detection on turbidity data of a water sample according to an automatic detection instrument, starting the number of multistage pretreatment units required by multistage treatment according to a preset value, carrying out treatment on a basic unit on the sample exceeding certain standard turbidity data, carrying out pretreatment treatment on the sample through a precipitation module, a metal membrane filtration system and a large-diameter metal filtration module, carrying out turbidity detection through a first automatic detection instrument, comparing a turbidity test result with the standard turbidity, carrying out treatment on a strengthening unit when the turbidity exceeds the standard turbidity, and carrying out fourth pretreatment and fifth pretreatment;
step two, when the fourth pretreatment is carried out, the sample firstly enters the first mounting groove through the sample water inlet pipe, the sample sequentially passes through a plurality of sand filtering assemblies from top to bottom, then an automatic detection instrument is carried out for detecting turbidity, whether the fifth pretreatment is carried out or not is carried out according to an analysis result, and when the test structure exceeds the standard turbidity, the fifth pretreatment is carried out; if the fifth pretreatment is not needed, the first electromagnetic valve is directly opened, and the filtered sample is automatically analyzed by an analysis unit instrument under the drive of a peristaltic pump;
step three, when the sample is subjected to a fifth pretreatment, the overflow square sample first installation groove is utilized to penetrate through the first overflow hole and enter into the overflow groove, then the overflow square sample first installation groove penetrates through the second overflow hole and enters into the second installation groove, the overflow square sample sequentially penetrates through the membrane filtering component to be filtered, and then the second electromagnetic valve is opened to carry out automatic analysis on the filtered sample by an analysis unit instrument under the drive of the peristaltic pump;
and step four, after the pretreatment is finished, the first back flushing pipe and the second back flushing pipe are used for back flushing with tap water to clean the pretreatment.
As a further scheme of the invention: in the first step, the pretreatment system comprises a basic unit and a strengthening unit, wherein the basic unit comprises a precipitation module, a large-caliber metal filtering module and a metal membrane filtering system, and the strengthening unit comprises a sand filtering module and a membrane filtering module.
As a further scheme of the invention: in the second step, the standard turbidity is a turbidity standard of water quality at an inlet of colorimetric instrument equipment required by automatic surface water monitoring technical specifications (trial) in HJ 915-2017 B.5 water collection units, a turbidity parameter for starting pretreatment at each stage is set, and the pretreatment turbidity at 3 stage is 30NTU, the pretreatment turbidity at 4 stage is 50NTU, and the pretreatment turbidity at 5 stage is 150NTU.
As a further scheme of the invention: in the first step, the analysis unit instrument is a Germany WTW TresCon A111 ammonia nitrogen online analyzer.
The invention has the beneficial effects that: the surface water pretreatment device is simple in structure and convenient to use, so that a sample treated by the surface water pretreatment device can reflect the representativeness and accuracy of the sample to the maximum extent, the arranged sand filter assembly is convenient to mount, fix, replace and maintain the plug-in board through the matching of the first plug-in groove, the sealing groove, the plug-in board, the sealing plate, the grid tray, the quartz sand, the grid cover, the first sealing rubber gasket, the third mounting groove, the second sealing rubber gasket, the rotating plate, the big-end bolt, the L-shaped clamp plate and the top block, the sample water is convenient to filter through the quartz sand, the filtering effect is good, the arranged film filter assembly is convenient and labor-saving, the sample water is convenient to filter through the matching of the U-shaped plate, the second plug-in groove, the film plug-in board, the sealing cover, the plug-in sealing block and the third sealing rubber gasket, and the filtering effect is good through the matching of a plurality of film plug boards; the process flow of the invention is simple, the operation is convenient, the representativeness and the accuracy of the pretreated sample meeting the water quality detection are not affected, and the experimental analysis is also considered.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the pretreatment operation of the present invention;
FIG. 2 is a schematic front perspective view of the present invention;
FIG. 3 is a schematic overall side-view perspective of the present invention;
FIG. 4 is a schematic view of the overall side view cutaway construction of the present invention;
FIG. 5 is an enlarged view of the area A in FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the area B in FIG. 4 according to the present invention;
FIG. 7 is an enlarged view of area C of FIG. 4 according to the present invention;
in the figure: 1. a main body; 2. supporting legs; 3. a first mounting groove; 4. an overflow trough; 5. a second mounting groove; 6. A sand filter assembly; 7. a membrane filtration module; 8. a first overflow aperture; 9. a second overflow aperture; 10. a first automated inspection instrument; 11. a second automated inspection instrument; 12. a sample water inlet pipe; 13. a first water outlet pipe; 14. A second water outlet pipe; 15. a first solenoid valve; 16. a second solenoid valve; 17. a peristaltic pump; 18. a connecting pipe; 19. a first recoil pipe; 20. a second recoil pipe; 61. a first insertion groove; 62. a sealing groove; 63. a plugboard; 64. sealing plates; 65. a grid tray; 66. quartz sand; 67. a mesh cover; 68. a first sealing rubber gasket; 69. a third mounting groove; 610. a second sealing rubber gasket; 611. a rotating plate; 612. a stud; 613. An L-shaped clamping plate; 614. a top block; 71. a U-shaped plate; 72. a second insertion groove; 73. a film inserting plate; 74. a sealing cover; 75. inserting a sealing block; 76. and a third sealing rubber gasket.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
As shown in fig. 1 to 4, a surface water pretreatment device includes a main body 1, a support leg 2, a first mounting groove 3, an overflow groove 4, a second mounting groove 5, a sand filter assembly 6, a membrane filter assembly 7, a first overflow hole 8, a second overflow hole 9 and a sample water inlet pipe 12, wherein the main body 1 is provided with the first mounting groove 3 on the inside, the main body 1 is provided with the overflow groove 4 on the inside of the first mounting groove 3, the main body 1 is provided with the second mounting groove 5 on the outer wall of the top end of the overflow groove 4, the sand filter assembly 6 is provided on the inside of the first mounting groove 3, the first overflow hole 8 is provided on the inner wall of one side of the first mounting groove 3 below the sand filter assembly 6 in a through manner, the first overflow hole 8 is communicated with the overflow groove 4, the overflow hole 4 is provided with the second overflow hole 9 on the inner wall above the first overflow hole 8 in a through manner, the second overflow hole 9 is communicated with the second mounting groove 5, the membrane filter assembly 7 is provided on the inside of the second mounting groove 5, the outer wall of the bottom end of the main body 1 is fixed with the four corners of the support leg 2, the outer wall of the top end of the main body 1 is provided with the first mounting groove 3 corresponding to the sample water inlet pipe 12, and the sample water inlet pipe 12 is communicated with the first mounting groove 3; a first water outlet pipe 13 is installed on the outer wall of the main body 1 below the first inserting groove 61 in a penetrating mode, the first water outlet pipe 13 is communicated with the first installing groove 3, a second water outlet pipe 14 is installed on the outer wall of the other side of the main body 1 in a penetrating mode, the second water outlet pipe 14 is communicated with the second installing groove 5, a peristaltic pump 17 is installed on one side of the main body 1, a connecting pipe 18 is connected to the outer wall of the bottom end of a water inlet of the peristaltic pump 17, the other end of the connecting pipe 18 is communicated with the first water outlet pipe 13 and the second water outlet pipe 14, a first electromagnetic valve 15 is installed on the outer wall of the first water outlet pipe 13, and a second electromagnetic valve 16 is installed on the outer wall of the second water outlet pipe 14, so that the filtered sample water can be controlled to come out of the first water outlet pipe 13 or the second water outlet pipe 14 according to requirements, and can flow under the driving of the peristaltic pump 17; a first back-flushing pipe 19 is arranged on the outer wall of the main body 1 on one side of the first water outlet pipe 13 in a penetrating mode, the first back-flushing pipe 19 is communicated with the first installation groove 3, a second back-flushing pipe 20 is arranged on the outer wall of the main body 1 on one side of the second water outlet pipe 14 in a penetrating mode, the second back-flushing pipe 20 is communicated with the second installation groove 5, and valves are arranged on the outer walls of the first back-flushing pipe 19 and the second back-flushing pipe 20 respectively, so that the pretreatment is completed, and the main body is perfect and complete, and is convenient to use tap water to carry out back-flushing to clean the pretreatment after the pretreatment is completed; a first automatic detection instrument 10 is arranged on the inner wall of the bottom end of the first mounting groove 3, and a second automatic detection instrument 11 is arranged on the outer wall of the bottom end of the second mounting groove 5 positioned on one side of the U-shaped plate 71, so that the device is practical and perfect, and is convenient for detecting turbidity of filtered sample water;
the sand filtering component 6 comprises a first inserting groove 61, a sealing groove 62, an inserting plate 63, a sealing plate 64, a grid tray 65, quartz sand 66, a grid cover 67, a first sealing rubber gasket 68, a third mounting groove 69, a second sealing rubber gasket 610, a rotating plate 611, a large-head bolt 612, an L-shaped clamping plate 613 and a top block 614, wherein the inner wall of one side of the main body 1 is provided with a plurality of sealing grooves 62, the inner wall of the first mounting groove 3 is provided with a first inserting groove 61 corresponding to the sealing groove 62, the sealing groove 62 is communicated with the first inserting groove 61, the inserting plate 63 is inserted into the first inserting groove 61, the outer wall of the top end of the inserting plate 63 is provided with a third mounting groove 69 in a penetrating way, and the inner wall of the third mounting groove 69 is fixed with the grid tray 65, the outer wall of the top end of the grid tray 65, which is positioned in the third mounting groove 69, is provided with quartz sand 66, the inner wall of the third mounting groove 69, which is positioned above the quartz sand 66, is fixed with a grid cover 67, the outer wall of the plug board 63, which is attached to the first plug-in groove 61, is fixed with a first sealing rubber gasket 68, one side of the plug board 63, which is positioned in the sealing groove 62, is fixed with a sealing plate 64, the outer wall of the sealing plate 64, which is positioned at the periphery of the plug board 63, is fixed with a second sealing rubber gasket 610, the outer wall of the second sealing rubber gasket 610 is attached to the inner wall of the sealing groove 62, the structure is simple, and the quartz sand 66 is arranged, so that a sample can be conveniently filtered, the filtering effect is good, the sample water can meet the requirement of sample pretreatment, and the sample can maximally reflect the representativeness and accuracy of the sample; inserting the inserting plate 63 into the first inserting groove 61, inserting the sealing plate 64 into the sealing groove 62, rotating the rotating plate 611 onto the L-shaped clamping plate 613, limiting the rotating plate 611 by the L-shaped clamping plate 613, and then rotating the stud 612, wherein the stud 612 is in threaded connection with the rotating plate 611, and drives the top block 614 to press the sealing plate 64, so that the inserting plate 63 is stably fixed;
a plurality of rotating plates 611 are fixed on the outer wall of the main body 1 above the sealing groove 62, a large-head bolt 612 is screwed on the outer wall of the rotating plates 611, one end of the large-head bolt 612 is rotatably provided with a top block 614 corresponding to the sealing plate 64, the outer wall of the top block 614 is attached to the outer wall of the sealing plate 64, a plurality of L-shaped clamping plates 613 are fixed on the outer wall of the main body 1 corresponding to the rotating plates 611, and the other ends of the L-shaped clamping plates 613 are clamped on the L-shaped clamping plates 613, so that the stable fixation, replacement and maintenance of the inserting plate 63 and the sealing plate 64 are facilitated, and the labor is saved;
the membrane filtering component 7 comprises a U-shaped plate 71, a second inserting groove 72, a membrane inserting plate 73, a sealing cover 74, an inserting sealing block 75 and a third sealing rubber gasket 76, a plurality of U-shaped plates 71 are fixed on the inner wall of the second mounting groove 5, the second inserting groove 72 is formed in the outer wall of the U-shaped plates 71, the membrane inserting plate 73 is inserted into the inner wall of the second inserting groove 72 in a plugging mode, the sealing cover 74 is fixed on the outer wall of the top end of the second mounting groove 5 through bolts, the inserting sealing block 75 is fixed on the outer wall of the bottom end of the sealing cover 74, the third sealing rubber gaskets 76 are fixed on the outer wall of the bottom end of the inserting sealing block 75 located in the second mounting groove 5, the outer wall of the bottom end of each third sealing rubber gasket 76 is attached to the outer wall of the top end of the membrane inserting plate 73, the structure is simple, the membrane inserting plate 73 is arranged, filtering of sample water is facilitated, the filtering effect is good, and the representativeness and the accuracy of a pretreated sample can be reflected to the maximum.
A process for the pretreatment of surface water comprising the steps of:
designing a relevant program by using an integrated controller, setting the program, carrying out real-time detection on turbidity data of a water sample according to an automatic detection instrument, starting the number of multistage pretreatment units required by multistage treatment according to a preset value, carrying out treatment on a basic unit on the sample with certain data exceeding standard turbidity, carrying out pretreatment treatment on the sample with certain data exceeding the standard turbidity by a precipitation module, a metal membrane filtration system and a large-caliber metal filtration module, carrying out turbidity detection by a first automatic detection instrument 10, comparing a turbidity test result with the standard turbidity, carrying out treatment on a strengthening unit when the turbidity exceeds the standard turbidity, and carrying out fourth pretreatment and fifth pretreatment; the pretreatment system comprises a basic unit and a strengthening unit, wherein the basic unit comprises a precipitation module, a large-caliber metal filtering module and a metal membrane filtering system, and the strengthening unit comprises a sand filtering module and a membrane filtering module;
step two, when the fourth pretreatment is carried out, the sample firstly enters the first mounting groove 3 through the sample water inlet pipe 12, the sample sequentially passes through the sand filtering components 6 from top to bottom, then the automatic detection instrument carries out turbidity detection, whether the fifth pretreatment is carried out or not is carried out according to the analysis result, and when the test structure exceeds the standard turbidity, the fifth pretreatment is carried out; if the fifth pretreatment is not needed, the first electromagnetic valve 15 is directly opened, and the filtered sample is automatically analyzed by an analysis unit instrument under the drive of the peristaltic pump 17; the standard turbidity is a water quality turbidity standard required by automatic surface water monitoring technical specifications (trial) of the I-directional wastewater (HJ 915-2017) B.5 water collection units at the inlet of colorimetric instruments and equipment, and turbidity parameters for starting pretreatment of each stage are set, wherein the pretreatment turbidity of 3-stage is 30NTU, the pretreatment turbidity of 4-stage is 50NTU, and the pretreatment turbidity of 5-stage is 150NTU; the analysis unit instrument is a German WTW TresCon A111 ammonia nitrogen on-line analyzer;
step three, when the fifth pretreatment is needed, the overflow square sample first installation groove 3 penetrates through the first overflow hole 8 to enter the overflow groove 4, then penetrates through the second overflow hole 9 to enter the second installation groove 5, sequentially penetrates through the membrane filtering component 7 to be filtered, and then the second electromagnetic valve 16 is opened to carry out automatic analysis on the filtered sample by an analysis unit instrument under the drive of the peristaltic pump 17;
and step four, after the pretreatment is finished, the first back flushing pipe 19 and the second back flushing pipe 20 are used for back flushing with tap water to clean the pretreatment.
The technical scheme of the invention is particularly applied to a pretreatment system of a Shanshan village modification project, and the measurement of turbidity caused by hydrology, meteorology or biological factors on a subsequent automatic monitoring instrument is reduced through the pretreatment system, so that the pretreated sample can reflect the representativeness and the accuracy of a raw water sample to the maximum extent. Therefore, in the debugging process, the turbidity of a laboratory analysis sample is taken as a basis, and the raw water in Shanshan village is adopted for carrying out a turbidity test. The specific debugging result is shown in a debugging result summary table of the pretreatment system in table 1 and a blank value checking table of the series of instruments in attached table 2.
TABLE 1 summary of results of pre-processing system debugging
Continuously for 5 days, selecting and carrying out turbidity test on raw water in Shanshan village, a sample to be analyzed (hereinafter referred to as an experimental sample) which passes through an experimental pretreatment room and an automatic monitoring sample (hereinafter referred to as an automatic sample) which is treated by pretreatment systems of different levels, and setting turbidity parameters for starting pretreatment of each level according to the highest matching degree of the experimental sample and the automatic sample, wherein the pretreatment turbidity of 4 level is 50NTU, and the pretreatment turbidity of 5 level is 150NTU. On the basis, setting verification work for a period of time is carried out according to the requirements of actual work.
As the monitoring items related to the full digestion treatment after the implementation of the transformation item mainly comprise the permanganate index, the total nitrogen and the total phosphorus, only three monitoring items are compared. The specific verification results are shown in table 2, which is a summary of the verification results of the preprocessing system.
TABLE 2 summary of verification results of preprocessing system
And designing related programs by using an integrated controller, and after the sample with certain data exceeding the turbidity is subjected to conventional three-step pretreatment (precipitation, metal process and large-caliber metal filtration), performing fourth pretreatment and fifth pretreatment according to a turbidity test result. Firstly, opening an electronic valve to filter a sample through a plurality of quartz sands from top to bottom (the bottom is a metal mesh tray), and directly opening the electronic valve to automatically analyze an analysis unit instrument without a fifth pretreatment; and if the fifth pretreatment is needed, performing the fifth membrane treatment partial filtration by using the overflow mode sample. Wherein, after the pretreatment is finished, tap water is used for back flushing to implement the pretreatment cleaning.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A surface water pretreatment device is characterized by comprising a main body (1), supporting legs (2), a first mounting groove (3), an overflow groove (4), a second mounting groove (5), a sand filtering component (6), a membrane filtering component (7), a first overflow hole (8), a second overflow hole (9), a sample water inlet pipe (12), a first back flushing pipe (19) and a second back flushing pipe (20), wherein the first mounting groove (3) is formed in the main body (1), the overflow groove (4) is formed in the main body (1) which is positioned in the first mounting groove (3), the second mounting groove (5) is formed in the outer wall of the top end of the main body (1) which is positioned in the overflow groove (4), the sand filtering component (6) is arranged in the first mounting groove (3), the first overflow hole (8) is formed in the inner wall of one side of the first mounting groove (3) which is positioned below the sand filtering component (6), the first overflow hole (8) is communicated with the overflow groove (4), the second overflow hole (9) is formed in the inner wall of the overflow groove (4), and the second overflow hole (5) is communicated with the overflow hole (9), supporting legs (2) are fixed on four corners of the outer wall of the bottom end of the main body (1), a sample water inlet pipe (12) is installed on the outer wall of the top end of the main body (1) corresponding to the first installation groove (3) in a penetrating mode, and the sample water inlet pipe (12) is communicated with the first installation groove (3);
the sand filtering component (6) comprises a first inserting groove (61), a sealing groove (62), an inserting plate (63), a sealing plate (64), a grid tray (65), quartz sand (66), a grid cover (67), a first sealing rubber gasket (68), a third installing groove (69), a second sealing rubber gasket (610), a rotating plate (611), a large-head bolt (612), an L-shaped clamping plate (613) and a top block (614), wherein the inner wall of one side of the main body (1) is provided with a plurality of sealing grooves (62), the inner wall of the first installing groove (3) is provided with a first inserting groove (61) corresponding to the sealing groove (62), the sealing groove (62) is communicated with the first inserting groove (61), the inserting plate (63) is inserted in the first inserting groove (61), the top end of the inserting plate (63) is provided with the third installing groove (69) in a penetrating way, the inner wall of the third installing groove (69) is fixed with the grid tray (65), the outer wall of the grid tray (65) positioned at the top end of the third installing groove (69) is provided with the quartz sand installing groove (66), the third inserting groove (66) is fixed with the quartz sand cover (66), and the grid tray (66) positioned above the quartz sand installing groove (67), one side that plugboard (63) are located in seal groove (62) is fixed with closing plate (64), closing plate (64) are located plugboard (63) outer wall all around and are fixed with second sealed cushion (610), and the outer wall of second sealed cushion (610) is laminated with the inner wall of seal groove (62).
2. The surface water pretreatment device of claim 1, wherein a plurality of rotating plates (611) are fixed on the outer wall of the main body (1) above the sealing groove (62), a large-head bolt (612) is screwed on the outer wall of the rotating plates (611), one end of the large-head bolt (612) is rotatably provided with a top block (614) corresponding to the sealing plate (64), the outer wall of the top block (614) is attached to the outer wall of the sealing plate (64), a plurality of L-shaped clamping plates (613) are fixed on the outer wall of the main body (1) corresponding to the rotating plates (611), and the other end of each L-shaped clamping plate (613) is clamped on the L-shaped clamping plate (613).
3. The surface water pretreatment device of claim 1, wherein the membrane filtering component (7) comprises a U-shaped plate (71), a second insertion groove (72), a membrane insertion plate (73), a sealing cover (74), an insertion sealing block (75) and a third sealing rubber pad (76), a plurality of U-shaped plates (71) are fixed on the inner wall of the second mounting groove (5), the outer wall of the U-shaped plate (71) is provided with the second insertion groove (72), the inner wall of the second insertion groove (72) is inserted with the membrane insertion plate (73), the top outer wall of the second mounting groove (5) is fixed with the sealing cover (74) through bolts, the bottom outer wall of the sealing cover (74) is fixed with the insertion sealing block (75), the insertion sealing block (75) is located on the bottom outer wall of the second mounting groove (5) and fixed with a plurality of third sealing rubber pads (76), and the bottom outer wall of the third sealing rubber pad (76) is attached to the top outer wall of the membrane insertion plate (73).
4. The surface water pretreatment device of claim 1, wherein a first automatic detection instrument (10) is installed on the inner wall of the bottom end of the first installation groove (3), and a second automatic detection instrument (11) is installed on the outer wall of the bottom end of the second installation groove (5) on one side of the U-shaped plate (71).
5. The surface water pretreatment device according to claim 1, characterized in that a first water outlet pipe (13) is installed on an outer wall of the main body (1) below the first insertion groove (61) in a penetrating mode, the first water outlet pipe (13) is communicated with the first installation groove (3), a second water outlet pipe (14) is installed on an outer wall of the other side of the main body (1) in a penetrating mode, the second water outlet pipe (14) is communicated with the second installation groove (5), a peristaltic pump (17) is installed on one side of the main body (1), a connecting pipe (18) is connected to an outer wall of the bottom end of a water inlet of the peristaltic pump (17), the other end of the connecting pipe (18) is communicated with the first water outlet pipe (13) and the second water outlet pipe (14), a first electromagnetic valve (15) is installed on an outer wall of the first water outlet pipe (13), and a second electromagnetic valve (16) is installed on an outer wall of the second water outlet pipe (14).
6. The surface water pretreatment device according to claim 1, wherein a first back-flushing pipe (19) is installed on the outer wall of the main body (1) on one side of the first water outlet pipe (13) in a penetrating mode, the first back-flushing pipe (19) is communicated with the first installation groove (3), a second back-flushing pipe (20) is installed on the outer wall of the main body (1) on one side of the second water outlet pipe (14) in a penetrating mode, the second back-flushing pipe (20) is communicated with the second installation groove (5), and valves are installed on the outer walls of the first back-flushing pipe (19) and the second back-flushing pipe (20).
7. The process of surface water pretreatment according to claim 1, comprising the steps of:
designing a relevant program by using an integrated controller, setting the program, carrying out real-time detection on turbidity data of a water sample according to an automatic detection instrument, starting the number of multistage pretreatment units required by multistage treatment according to a preset value, carrying out treatment on a basic unit on the sample with certain data exceeding standard turbidity, carrying out pretreatment treatment on the sample with certain data exceeding the standard turbidity by a precipitation module, a metal membrane filtration system and a large-caliber metal filtration module, carrying out turbidity detection by a first automatic detection instrument (10), comparing a turbidity test result with the standard turbidity, carrying out treatment on a strengthening unit when the turbidity exceeds the standard turbidity, and carrying out fourth pretreatment and fifth pretreatment;
step two, when the fourth pretreatment is carried out, the sample firstly enters the first mounting groove (3) through the sample water inlet pipe (12), the sample sequentially passes through a plurality of sand filtering components (6) from top to bottom, then an automatic detection instrument is carried out for detecting turbidity, whether the fifth pretreatment is carried out or not is carried out according to an analysis result, and when the test structure exceeds the standard turbidity, the fifth pretreatment is carried out; if the fifth pretreatment is not needed, the first electromagnetic valve (15) is directly opened, and the filtered sample is automatically analyzed by an analysis unit instrument under the drive of a peristaltic pump (17);
step three, if the sample is to be subjected to the fifth pretreatment, the overflow square sample first installation groove (3) penetrates through the first overflow hole (8) to enter the overflow groove (4), then penetrates through the second overflow hole (9) to enter the second installation groove (5), sequentially penetrates through the membrane filtration component (7) to be filtered, and then the second electromagnetic valve (16) is opened under the drive of the peristaltic pump (17) to automatically analyze the filtered sample by an analysis unit instrument;
and step four, after the pretreatment is finished, the first back flushing pipe (19) and the second back flushing pipe (20) are used for back flushing with tap water to clean the pretreatment.
8. The process of claim 7, wherein in the first step, the pretreatment system comprises a base unit and a strengthening unit, the base unit comprises a precipitation module, a large-diameter metal filtration module and a metal membrane filtration system, and the strengthening unit comprises a sand filtration module and a membrane filtration module.
9. The process of claim 7, wherein in the second step, the standard turbidity is a standard for water quality at an inlet of a colorimetry instrument and equipment required by a water collecting unit in automatic surface water monitoring technical specifications (trial) of HJ 915-2017 (HJ 915-2017), and turbidity parameters for starting pretreatment of each stage are set, wherein the pretreatment turbidity of 3-stage is 30NTU, the pretreatment turbidity of 4-stage is 50NTU, and the pretreatment turbidity of 5-stage is 150NTU.
10. The process of claim 7, wherein in the first step, the analyzer unit is a COD-203 permanganate index on-line analyzer, shimadzu TNP4200 total nitrogen and total phosphorus on-line analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210907122.3A CN115196773A (en) | 2022-07-29 | 2022-07-29 | Surface water pretreatment device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210907122.3A CN115196773A (en) | 2022-07-29 | 2022-07-29 | Surface water pretreatment device and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115196773A true CN115196773A (en) | 2022-10-18 |
Family
ID=83584658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210907122.3A Pending CN115196773A (en) | 2022-07-29 | 2022-07-29 | Surface water pretreatment device and process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115196773A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2308230A1 (en) * | 2000-05-05 | 2001-11-05 | Zenon Environmental Inc. | Immersed membrane filtration system and overflow process |
| CN104229977A (en) * | 2014-10-10 | 2014-12-24 | 哈尔滨工业大学 | Low-temperature controllable bioaugmented filtering water treatment device |
| CN104528932A (en) * | 2014-12-26 | 2015-04-22 | 上海中信水务产业有限公司 | Advanced wastewater treatment denitrification biological filter device system and treatment process |
| CN205740577U (en) * | 2016-06-22 | 2016-11-30 | 山东丰禾环保科技有限公司 | A kind of integral water purifier |
| CN206696064U (en) * | 2017-03-30 | 2017-12-01 | 深圳市浩瑞泰科技有限公司 | Automatic water quality monitoring system substation pretreatment system |
| CN207198144U (en) * | 2017-09-18 | 2018-04-06 | 北京燕山威立雅水务有限责任公司 | A kind of water feed apparatus for Water Test Kits |
| CN208561944U (en) * | 2018-02-28 | 2019-03-01 | 范勇 | A kind of earth's surface water pre-treatment means and graphene filter |
| CN210626159U (en) * | 2019-08-20 | 2020-05-26 | 吉林省美蓝环保科技有限公司 | Leading preprocessing device of quality of water on-line monitoring equipment |
| CN111220599A (en) * | 2018-11-24 | 2020-06-02 | 朱燕超 | Sampling device and sampling method for water quality detection |
| CN213977274U (en) * | 2020-12-02 | 2021-08-17 | 湖北煤炭地质一二五队 | Surface water physical state detection device |
| CN214763930U (en) * | 2021-03-10 | 2021-11-19 | 嘉兴市联合污水处理有限责任公司 | Preprocessing device suitable for sewage automatic monitoring system |
| CN114088505A (en) * | 2021-11-18 | 2022-02-25 | 光大水务科技发展（南京）有限公司 | Pretreatment device system of water treatment water quality detection instrument and working method thereof |
| CN216247452U (en) * | 2021-11-09 | 2022-04-08 | 无锡市政公用检测有限公司 | Water quality online monitoring instrument preprocessing device |
| CN114588670A (en) * | 2022-02-07 | 2022-06-07 | 常州机电职业技术学院 | Filter and filtering method |
-
2022
- 2022-07-29 CN CN202210907122.3A patent/CN115196773A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2308230A1 (en) * | 2000-05-05 | 2001-11-05 | Zenon Environmental Inc. | Immersed membrane filtration system and overflow process |
| CN104229977A (en) * | 2014-10-10 | 2014-12-24 | 哈尔滨工业大学 | Low-temperature controllable bioaugmented filtering water treatment device |
| CN104528932A (en) * | 2014-12-26 | 2015-04-22 | 上海中信水务产业有限公司 | Advanced wastewater treatment denitrification biological filter device system and treatment process |
| CN205740577U (en) * | 2016-06-22 | 2016-11-30 | 山东丰禾环保科技有限公司 | A kind of integral water purifier |
| CN206696064U (en) * | 2017-03-30 | 2017-12-01 | 深圳市浩瑞泰科技有限公司 | Automatic water quality monitoring system substation pretreatment system |
| CN207198144U (en) * | 2017-09-18 | 2018-04-06 | 北京燕山威立雅水务有限责任公司 | A kind of water feed apparatus for Water Test Kits |
| CN208561944U (en) * | 2018-02-28 | 2019-03-01 | 范勇 | A kind of earth's surface water pre-treatment means and graphene filter |
| CN111220599A (en) * | 2018-11-24 | 2020-06-02 | 朱燕超 | Sampling device and sampling method for water quality detection |
| CN210626159U (en) * | 2019-08-20 | 2020-05-26 | 吉林省美蓝环保科技有限公司 | Leading preprocessing device of quality of water on-line monitoring equipment |
| CN213977274U (en) * | 2020-12-02 | 2021-08-17 | 湖北煤炭地质一二五队 | Surface water physical state detection device |
| CN214763930U (en) * | 2021-03-10 | 2021-11-19 | 嘉兴市联合污水处理有限责任公司 | Preprocessing device suitable for sewage automatic monitoring system |
| CN216247452U (en) * | 2021-11-09 | 2022-04-08 | 无锡市政公用检测有限公司 | Water quality online monitoring instrument preprocessing device |
| CN114088505A (en) * | 2021-11-18 | 2022-02-25 | 光大水务科技发展（南京）有限公司 | Pretreatment device system of water treatment water quality detection instrument and working method thereof |
| CN114588670A (en) * | 2022-02-07 | 2022-06-07 | 常州机电职业技术学院 | Filter and filtering method |
Non-Patent Citations (1)
| Title |
|---|
| 李盛凯, 薛罡, 汪永辉, 乔玉玲: "纳滤膜净化地下水时预处理工艺的选择研究", 水资源保护, no. 03 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205910173U (en) | Ocean top layer multi -parameter automatic acquisition device | |
| CN112229770B (en) | Device for automatically collecting, observing and identifying sedimentation experimental process of activated sludge | |
| CN115983687B (en) | Intelligent detection management system and method for quality of cold-rolled strip steel | |
| CN110687050A (en) | Water quality monitoring system and monitoring method based on image recognition | |
| CN106053751A (en) | Water quality monitoring system | |
| CN112964504A (en) | Water quality real-time monitoring system and monitoring method based on TOC detector | |
| CN112284819A (en) | Sampling method for effluent quality detection of wastewater aeration tank | |
| CN115196773A (en) | Surface water pretreatment device and process | |
| CN111707632A (en) | Online total phosphorus, ammonia nitrogen, COD quality of water automatic monitoring device | |
| CN209858539U (en) | Ambient air, peculiar smell stench class and VOC gas monitoring system | |
| Mangangka et al. | Performance characterisation of a constructed wetland | |
| CN204731089U (en) | A kind of on-line monitoring COD, TP water sample preprocessing apparatus | |
| CN108827891A (en) | Ballast water for ship microalgae cell biology amount detection systems and method | |
| CN205300994U (en) | Automatic all -in -one of sewage pretreatment sampling | |
| CN107543909A (en) | Miniature monitoring water quality on line station | |
| CN213885184U (en) | Intelligent water purifier with automatic detection function | |
| CN214373587U (en) | Plateau water chemistry monitoring devices | |
| CN212134262U (en) | Water quality testing appearance preprocessing device | |
| CN210014965U (en) | Online detection pretreatment equipment for solution in metallurgical industry | |
| CN208636302U (en) | A kind of device detecting drinking water ORP and pH value | |
| CN209797620U (en) | Ammonia nitrogen analysis device for sewage treatment | |
| CN219104443U (en) | Sampling device for water quality analysis | |
| CN216367429U (en) | On-line instrument pretreatment device | |
| CN208413900U (en) | A kind of detecting and controlling system | |
| CN2890887Y (en) | Overflow type automatic updating waste water sample reserving groove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |