CN111122272A - Stirring preprocessing device - Google Patents
Stirring preprocessing device Download PDFInfo
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- CN111122272A CN111122272A CN202010037214.1A CN202010037214A CN111122272A CN 111122272 A CN111122272 A CN 111122272A CN 202010037214 A CN202010037214 A CN 202010037214A CN 111122272 A CN111122272 A CN 111122272A
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- 238000003756 stirring Methods 0.000 title claims abstract description 154
- 238000007781 pre-processing Methods 0.000 title description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 208
- 238000005070 sampling Methods 0.000 claims abstract description 56
- 238000002156 mixing Methods 0.000 claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 24
- 238000000926 separation method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 description 18
- 239000002245 particle Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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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
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/70—Pre-treatment of the materials to be mixed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
- B01F35/43—Supporting receptacles on frames or stands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
- 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
- G01N1/38—Diluting, dispersing or mixing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
-
- 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
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention relates to a stirring pretreatment device, which comprises a stirring pretreatment seat body, wherein the stirring pretreatment seat body is hollow, one side of the top of the stirring pretreatment seat body is provided with a water inlet, the other side of the top of the stirring pretreatment seat body is provided with a water outlet, a water sampling pipe is arranged at a position close to the water outlet, the water inlet end of the water sampling pipe extends to the inside of the stirring pretreatment seat body, the position of the water sampling pipe is close to the bottom end of the stirring pretreatment seat body, and the water outlet; still install the motor on the stirring preliminary treatment pedestal, the motor shaft is connected with the (mixing) shaft, and the (mixing) shaft does not extend to in the stirring preliminary treatment pedestal with the one end of motor shaft connection to install the stirring sword, the stirring sword is located the below of the end of intaking of water intaking pipe: the stirring pretreatment device is internally provided with a separating body, the separating body is arranged in the stirring pretreatment device from the top end to the position close to the blade, so that a water inlet area and a water outlet area are formed on two sides of the separating body, the water inlet end of the water sampling pipe is positioned in the water outlet area, the water inlet is directly communicated with the water inlet area, and the water outlet is directly communicated with the water outlet area. The device is not easy to block the sampling pipeline.
Description
Technical Field
The invention relates to the field of water quality online monitoring instrument devices, in particular to a stirring pretreatment device.
Background
Along with the development of science and technology, water quality testing technique has realized online water quality monitoring, and online water quality monitoring at first will gather the water sample that awaits measuring, and current water sample pretreatment system carries out filtration treatment to the water sample, generally adopts multistage filtration system, advances the appearance from the water inlet, and the surplus water of delivery port discharge to be in quiescent condition for a long time, this kind of online water quality monitoring instrument gathers the water sample that awaits measuring in-process, has following technical problem:
1. the water sample contains solid substances such as large-particle insoluble substances, silt and the like, and the blockage of an instrument sampling pipeline causes damage to key components such as an electromagnetic valve group on the instrument.
2. Solid particles in a water sample also belong to pollutants, and are detected after being filtered by a filter, so that data are inaccurate.
3. After the sediment deposition in the pretreatment, the cleaning is difficult.
4. The water flow state can not be observed, the sediment condition is unknown, and the pretreatment is easy to lose efficacy.
The problems directly affect the normal operation of the water quality monitoring instrument and cause abnormal or non-operational measurement results. How to solve the problem is continuously researched.
Disclosure of Invention
The present invention is directed to a stirring pretreatment apparatus to solve at least one of the above problems.
The technical scheme of the application is as follows: a stirring pretreatment device comprises a stirring pretreatment base body, wherein the stirring pretreatment base body is hollow, one side of the top of the stirring pretreatment base body is provided with a water inlet, the other side of the top of the stirring pretreatment base body is provided with a water outlet, a water sampling pipe is arranged on the position, close to the water outlet, of the stirring pretreatment base body, the water inlet end of the water sampling pipe extends to the inside of the stirring pretreatment base body, the position of the water sampling pipe is close to the bottom end of the stirring pretreatment base body, and the water outlet end of the water sampling pipe is positioned outside the stirring pretreatment base body; still install the motor on the stirring preliminary treatment pedestal, the motor shaft of motor is connected with the (mixing) shaft, the (mixing) shaft not with the one end that the motor shaft is connected extends to in the stirring preliminary treatment pedestal to install the stirring sword, the stirring sword is located the below of the end of intaking of water production pipe: the stirring pretreatment device is characterized in that a separating body is arranged in the stirring pretreatment device, the separating body is arranged in the stirring pretreatment device from the top end to the position close to the blade, so that a water inlet area and a water outlet area are formed on two sides of the separating body, the water inlet end of the water sampling pipe is positioned in the water outlet area, the water inlet is directly communicated with the water inlet area, and the water outlet is directly communicated with the water outlet area.
Preferably, a groove is formed in the position, opposite to the stirring knife, of the bottom end of the stirring pretreatment seat body, and the diameter of the opening position of the groove is larger than that of a circle formed by rotation of the blade.
Preferably, the groove is in a truncated cone shape with a diameter of the bottom surface smaller than that of the top surface.
Preferably, the middle position of the blade is horizontal and fixed on the stirring shaft, the two side positions are inclined, and the height of the edge position is lower than that of the middle position.
Preferably, one end of the stirring shaft, which is not connected with the motor shaft, extends into the stirring pretreatment seat body through the separating body.
Preferably, the bottom end of the separator is sequentially provided with a rotary sealing cover and a bearing from bottom to top, a rotary sealing plug 8 is arranged between the rotary sealing cover and the bearing, and the rotary sealing cover and the stirring shaft are sealed through a sealing ring.
Preferably, the water inlet end of the water sampling pipe of the sampling pipe is an inclined plane; the stirring pretreatment seat body is internally fixed with a filter, the water sampling pipe is positioned in the stirring pretreatment seat body, the part of the water sampling pipe in the stirring pretreatment seat body is positioned in the filter, and the diameter of the net opening of the filter screen of the filter is the same as the inner diameter of the sampling pipe.
Preferably, the stirring pretreatment seat body is partially made of transparent materials.
Preferably, the stirring pretreatment base body comprises a stirring pretreatment base and a stirring pretreatment bottom cover, and the stirring pretreatment bottom cover is hermetically and detachably connected with the stirring pretreatment base.
Preferably, in an operating state, the rotation direction of the stirring blade is opposite to the water flow direction.
When the stirring pretreatment device provided by the invention is used, the direction of water flow refers to the direction of an arrow in fig. 2, the water flow enters through the water inlet 101, the stirring knife 4 starts to rotate reversely, large particles in a water sample are stirred, and the stirred particles are not easy to precipitate and flow along with the water flow in the stirring process, so that a proper water sample required by the water quality online analyzer is obtained, then one part of the water sample flows out from the filter 102, and the other part of the water sample enters the sampling tube 13 through the filter 10 and is supplied to the water quality online analyzer.
The stirring pretreatment device has the following advantages:
1. the insoluble substances with large particles are broken, and simultaneously, the insoluble substances with large particles and solid substances such as sludge are not easy to precipitate under the action of stirring, so that a sampling pipeline is not easy to block, key components such as an electromagnetic valve group on an instrument are not easy to damage, and the service life of the instrument is prolonged;
2. the large-particle insoluble substances are smashed and can directly enter the water sampling pipe, so that the data collected by the water sample is more accurate;
3. when large-particle insoluble substances are smashed, the insoluble substances are not easy to precipitate with solid substances such as sludge and the like under the action of stirring, and the insoluble substances flow away along with water flow, so that the difficulty in cleaning equipment is reduced;
4. the stirring pretreatment base body is made of transparent materials locally, so that the stirring condition and the water flow state in the sampler can be observed conveniently, and the pretreatment failure is prevented.
5. In the sampling process, due to the arrangement of the separating bodies, water flow moves downwards in the water inlet area, the water outlet area moves upwards, the sampling pipe collects water flowing upwards, the water can be conveyed to the water quality online analyzer by using smaller suction force, so that the power output of the water quality online analyzer is reduced, and the requirement on the water quality online analyzer is lowered.
Drawings
FIG. 1 is one of the schematic structural views of the agitation pretreatment apparatus of the present invention;
FIG. 2 is a second schematic structural view of the stirring pretreatment apparatus of the present invention;
FIG. 3 is one of a field installation and a workflow diagram, wherein arrows represent the direction of water flow;
FIG. 4 is a second of the field installation and the workflow diagram, wherein the arrows represent the water flow direction;
in the figure: the device comprises a stirring pretreatment base 1, a bearing 2, a stirring shaft 3, a stirring knife 4, a motor 5, a motor fixing plate 6, a stirring pretreatment bottom cover 7, a rotary sealing plug 8, a sealing ring 9, a filter 10, a screw 11, an inverted cone joint 12, a water sampling pipe 13, a connecting column 14, a coupler 15, a rotary sealing cover 16, a separating body 17, a groove 18, a water inlet 101, a water outlet 102, a water outlet end 103 of the water sampling pipe, a water inlet end 104 of the water pipe, a water quality online analysis instrument 201, a water sample stirring pretreatment device 202, a water sampling pump 203, a ball valve 204, a pipeline 205, a water tank 206, a water sample 207 to be detected, a water inlet area a and.
Detailed Description
The invention is further illustrated by the following figures and examples.
In the embodiment, the stirring shaft 3 is directly connected with the motor shaft of the motor 5 by using the coupler 15, and the coupler 15 is a single-diaphragm elastic coupler, so that the assembly error can be reduced; the motor 5 is fixed on the motor fixing plate 6, the motor fixing plate 6 and the stirring motor base 1 are fixed with the screw 11 through the connecting column 14, the inverted cone connector 12 is used for fixing the water sample pipe 13 on the stirring pretreatment base 1 to form a closed cavity, and the sampling pipe 13 is conveniently adjusted in length and cleaned by adopting threaded connection; wherein, stirring pretreatment pedestal part adopts transparent material to make best, is convenient for observe stirring condition and rivers state in the sample thief, prevents that the preliminary treatment from becoming invalid.
Preferably, a filter 10 is fixed in the stirring pretreatment seat body, wherein the filter is in the form of a protective net, the part of the water sampling pipe in the stirring pretreatment seat body is positioned in the filter, the diameter of a net opening of a filter screen of the filter is the same as the inner diameter of the sampling pipe, and the filter 10 can be directly glued in the stirring pretreatment seat 1. Sampling pipe 13 inserts filter 10 bottom and sampling pipe 13 bottom chamfer, prevents that the sample pipe from following the water flow direction swing in stirring preliminary treatment seat 1. The filter 10 has a screen of the same size as the inner diameter of the sampling tube.
In order to divide the water inlet area and the water outlet area equally and protect the stirring shaft, referring to fig. 1 and fig. 2, the applicant extends the end of the stirring shaft which is not connected with the motor shaft into the stirring pretreatment seat body through the separation body, and preferably, the end of the stirring shaft is connected with the separation body in a sealing way: the bottom end of the separator is sequentially provided with a rotary sealing cover 16 and a bearing 2 from bottom to top, a rotary sealing plug 8 is arranged between the rotary sealing cover and the bearing, and the rotary sealing cover and the stirring shaft are sealed through a sealing ring 9. The seal ring 9 on the stirring shaft and the rotary seal cover form first sealing, the rotary seal plug 8 is installed on the stirring shaft, the rotary seal cover 16 forms second sealing by pressing the other end of the rotary seal cover in the stirring pretreatment seat 1, so that the sealing effect is good, the rotary seal plug 8 can be further provided with a spring, and thus, the rotary seal cover can be tightly combined with the stirring shaft 3 and can rotate at a high speed. The rotary sealing element of the multi-stage stirring shaft is designed, so that the rotary sealing element can resist water pressure and does not leak liquid when rotating at high speed.
When the stirring pretreatment device provided by the invention is used, the direction of water flow refers to the direction of an arrow in fig. 2, the water flow enters through the water inlet 101, the stirring knife 4 starts to rotate reversely, large particles in a water sample are stirred, and the stirred particles are not easy to precipitate and flow along with the water flow in the stirring process, so that a proper water sample required by the water quality online analyzer is obtained, then one part of the water sample flows out from the filter 102, and the other part of the water sample enters the sampling tube 13 through the filter 10 and is supplied to the water quality online analyzer.
This stirring preprocessing device has following advantage:
1. the insoluble substances with large particles are broken, and simultaneously, the insoluble substances with large particles and solid substances such as sludge are not easy to precipitate under the action of stirring, so that a sampling pipeline is not easy to block, key components such as an electromagnetic valve group on an instrument are not easy to damage, and the service life of the instrument is prolonged;
2. the large-particle insoluble substances are smashed and can directly enter the water sampling pipe, so that the data collected by the water sample is more accurate;
3. when large-particle insoluble substances are smashed, the insoluble substances are not easy to precipitate with solid substances such as sludge and the like under the action of stirring, and the insoluble substances flow away along with water flow, so that the difficulty in cleaning equipment is reduced;
4. the stirring pretreatment base body is made of transparent materials locally, so that the stirring condition and the water flow state in the sampler can be observed conveniently, and the pretreatment failure is prevented.
5. In the sampling process, due to the arrangement of the separating bodies, water flow moves downwards in the water inlet area, the water outlet area moves upwards, the sampling pipe collects water flowing upwards, the water can be conveyed to the water quality online analyzer by using smaller suction force, so that the power output of the water quality online analyzer is reduced, and the requirement on the water quality online analyzer is lowered.
Example 2, on the basis of example 1, the applicant also made the following design: referring to fig. 1 and 2, a groove 18 is formed at a position, opposite to the stirring blade, of the bottom end of the stirring pretreatment seat body, the diameter of an opening position of the groove is slightly larger than that of a circle formed by rotation of the blade, and in order to fully utilize space, the groove is in a circular truncated cone shape with a bottom diameter smaller than that of a top surface; the middle position of the blade is horizontal and fixed on the stirring shaft, the two side positions are inclined, and the height of the edge position is lower than that of the middle position. The edge position of the blade can be arranged at a position slightly lower than the opening of the groove, so that part of water passing through the upper layer of the blade is inclined downwards and rebounded to the lower part of the blade in the groove through the side wall of the groove when being separated from the blade, and flows along with water flow, thereby increasing the passing rate of the water flow passing through the groove and increasing the crushing effect of particles. Under the condition that the edge of the blade is slightly higher than the opening of the groove, part of water passing through the upper layer of the blade is inclined downwards when being separated from the blade, and part of the water is brought into the groove by the water flow flowing downwards. And only slightly different breaking effects are achieved in the state that the edge position of the blade is arranged to be flush with the position of the opening of the groove.
This structure has the following advantages:
1. the round table-shaped groove is arranged, and the opening of the groove is slightly larger, so that water flow below the water inlet area can enter the groove through the side face of the blade in the stirring process and then flows out of the lower part of the water outlet area;
2. the groove is set into a shape that the opening at the upper end is larger than the bottom end, so that the upper end and the lower end form an inclined plane, the water capacity at the upper end is larger, the water capacity at the lower end is smaller, and water flow forms approximately U-shaped water flow when flowing in the groove, thereby being beneficial to the inlet and outlet of the water flow and the smashing of particles.
3. The blade is provided with the inclined part which is matched with the groove, so that a blocking plane is prevented from being formed when the blade rotates at a high speed, the water flow is not beneficial to flowing into the groove, and the water flow is gradually close to the edge through the inclined part and more easily enters the groove at the edge part of the blade.
4. Under operating condition, stirring sword direction of rotation is opposite with the rivers direction, forms the reverse impact to the particulate matter that removes like this for stirring efficiency.
The stirring preprocessing device of this application's on-the-spot mounting means has the multiple, following be the on-the-spot mounting means of two kinds of preferred: as shown in fig. 3 and fig. 4, wherein the reference numbers in fig. 3 and fig. 4 are as follows: the device comprises a water quality online analysis instrument 201, a water sample stirring pretreatment device 202, a water sampling pump 203, a ball valve 204, a pipeline 205, a water tank 206 and a water sample 207 to be detected.
The installation mode 1 is shown in fig. 3: the water sampling pump 203 pumps a water sample 207 to be tested into a sample introduction pipeline, the water sample stirring pretreatment device 202 adopts a left-inlet right-outlet water inlet mode and is installed in series, a plurality of water quality online analyzers 201 can share one water sampling pump 203, a pressure division pipeline provided with a ball valve 204 is connected to the upper portion of the water sampling pump 203, the water flow speed in the whole sample introduction pipeline 205 can be conveniently controlled and matched with the sampling pressure in the water quality online analyzers 201, and the flowing and latest water sample is ensured during sampling. And after the water sampling pump 203 stops working, a part of the water sample 24 to be tested retained in the stirring pretreatment device 202 is provided for the water quality on-line analyzer 201. By adopting the series connection mode, the water samples in the pipeline 205 are more and more uniform after passing through the water sample stirring pretreatment devices.
The installation mode 2 is as shown in fig. 4, a water sample 207 to be tested is pumped into a sample introduction pipeline by the same water sampling pump 203, the water sample stirring pretreatment device 202 adopts a left-in right-out water inlet mode and is installed in parallel, a plurality of water quality online analyzers 201 can share one water sampling pump 203, a partial pressure pipeline provided with a ball valve 204 is connected to the upper part of the water sampling pump 203, the water flow speed in the whole sample introduction pipeline 205 can be conveniently controlled and matched with the sampling pressure in the water quality online analyzers 201, and the parallel installation mode can ensure that the pressures in the pipelines 205 are relatively balanced.
The above description is only for the purpose of illustrating preferred embodiments of the present invention and is not to be construed as limiting the present invention, and the terms first, second, etc. are used for distinguishing between similar terms and not for limiting the technical terms, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A stirring pretreatment device is characterized by comprising a stirring pretreatment seat body, wherein the stirring pretreatment seat body is hollow, a water inlet (101) is formed in one side of the top of the stirring pretreatment seat body, a water outlet (102) is formed in the other side of the stirring pretreatment seat body, a water sampling pipe (13) is installed on the stirring pretreatment seat body and is close to the water outlet, a water inlet end (104) of the water sampling pipe extends into the stirring pretreatment seat body and is close to the bottom end of the stirring pretreatment seat body, and a water outlet end (103) of the water sampling pipe is located outside the stirring pretreatment seat body;
still install motor (5) on the stirring preliminary treatment pedestal, the motor shaft of motor is connected with (mixing) shaft (3), the (mixing) shaft not with the one end of motor shaft connection extends to in the stirring preliminary treatment pedestal to install stirring sword (4), the stirring sword is located the below of the end of intaking of water intaking pipe:
a separation body (17) is arranged in the stirring pretreatment device, the separation body is arranged in the stirring pretreatment device from the top end to the position close to the blade, so that a water inlet area (a) and a water outlet area (b) are formed on the two sides of the separation body, the water inlet end of the water production pipe is positioned in the water outlet area, the water inlet is directly communicated with the water inlet area, and the water outlet is directly communicated with the water outlet area.
2. The stirring pretreatment device according to claim 1, wherein a groove (18) is provided at a position where the bottom end of the stirring pretreatment holder faces the stirring blade, and a diameter of an opening position of the groove is larger than a diameter of a circle formed by rotation of the blade.
3. The agitation pretreatment apparatus of claim 2, wherein the groove has a truncated cone shape having a bottom surface diameter smaller than a top surface diameter.
4. The stirring pretreatment device according to claim 3, wherein said blade is horizontal in a central position, fixed to said stirring shaft, inclined in both side positions, and lower in height at the edge position than at the central position.
5. The stirring pretreatment device of claim 1, wherein an end of the stirring shaft not connected with the motor shaft extends into the stirring pretreatment housing through the partition body.
6. The stirring pretreatment device according to claim 5, characterized in that a rotary sealing cover (16) and a bearing (2) are sequentially installed at the bottom end of the separating body from bottom to top, a rotary sealing plug (8) is arranged between the rotary sealing cover and the bearing, and the rotary sealing cover and the stirring shaft are sealed through a sealing ring (9).
7. The stirring pretreatment device of claim 1, wherein the water inlet end of the water production pipe of the sampling pipe is an inclined surface;
a filter (10) is fixed in the stirring pretreatment seat body, the water sampling pipe is positioned in the stirring pretreatment seat body, the part of the water sampling pipe in the stirring pretreatment seat body is positioned in the filter, and the diameter of the net opening of the filter screen of the filter is the same as the inner diameter of the sampling pipe.
8. The stirring pretreatment device of claim 1, wherein the stirring pretreatment holder body is partially made of a transparent material.
9. The mixing pretreatment device according to any one of claims 1 to 8, wherein the mixing pretreatment holder body comprises a mixing pretreatment holder (1) and a mixing pretreatment bottom cover (7), and the mixing pretreatment bottom cover is hermetically and detachably connected with the mixing pretreatment holder.
10. The mixing pretreatment device of claim 1, wherein in an operating state, the mixing blade rotates in a direction opposite to a water flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010037214.1A CN111122272A (en) | 2020-01-14 | 2020-01-14 | Stirring preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010037214.1A CN111122272A (en) | 2020-01-14 | 2020-01-14 | Stirring preprocessing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111122272A true CN111122272A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010037214.1A Pending CN111122272A (en) | 2020-01-14 | 2020-01-14 | Stirring preprocessing device |
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| CN (1) | CN111122272A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005304479A (en) * | 2004-03-25 | 2005-11-04 | Aloka Co Ltd | Treating device |
| CN109987805A (en) * | 2019-01-10 | 2019-07-09 | 浙江海洋大学 | Waterway dredging slurry curing equipment |
| CN209416797U (en) * | 2018-12-05 | 2019-09-20 | 曲婷婷 | A kind of rice grain Detecting Pesticide sample preprocessing device |
| CN209482269U (en) * | 2018-10-31 | 2019-10-11 | 四川恒诚达科技有限公司 | A kind of power station sediment trapping device |
| CN211697166U (en) * | 2020-01-14 | 2020-10-16 | 深圳市正奇环境科技有限公司 | Stirring preprocessing device |
-
2020
- 2020-01-14 CN CN202010037214.1A patent/CN111122272A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005304479A (en) * | 2004-03-25 | 2005-11-04 | Aloka Co Ltd | Treating device |
| CN209482269U (en) * | 2018-10-31 | 2019-10-11 | 四川恒诚达科技有限公司 | A kind of power station sediment trapping device |
| CN209416797U (en) * | 2018-12-05 | 2019-09-20 | 曲婷婷 | A kind of rice grain Detecting Pesticide sample preprocessing device |
| CN109987805A (en) * | 2019-01-10 | 2019-07-09 | 浙江海洋大学 | Waterway dredging slurry curing equipment |
| CN211697166U (en) * | 2020-01-14 | 2020-10-16 | 深圳市正奇环境科技有限公司 | Stirring preprocessing device |
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