CN114354878A - Online automatic static sedimentation experimental device for horizontal sedimentation tank and use method of online automatic static sedimentation experimental device - Google Patents
Online automatic static sedimentation experimental device for horizontal sedimentation tank and use method of online automatic static sedimentation experimental device Download PDFInfo
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- CN114354878A CN114354878A CN202210099671.2A CN202210099671A CN114354878A CN 114354878 A CN114354878 A CN 114354878A CN 202210099671 A CN202210099671 A CN 202210099671A CN 114354878 A CN114354878 A CN 114354878A
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Abstract
The invention discloses an online automatic static sedimentation experimental device of a horizontal sedimentation tank and a use method thereof, wherein the experimental device comprises: mount, a laboratory glassware, support and turbidity probe, the pool wall at the sedimentation tank can be fixed to the mount, the laboratory glassware passes through the vertical installation of support on the mount, the support can slide from top to bottom along the mount for the laboratory glassware can be free immerse in water or leave the surface of water, turbidity probe sets up the upper portion at the laboratory glassware. The problem of turbidity detection lag is solved, online automatic quiet heavy experimental apparatus possesses the module of automatic sampling, sediment, measurement turbidity, reaches the function of simulation sediment turbidity of water, and the experimental process that will quiet heavy is installed, standardized, realizes developing the purpose of automatic quiet heavy experiment prediction sedimentation tank turbidity of water according to production control needs at any time.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to an online automatic static sedimentation experimental device for a horizontal sedimentation tank and a using method thereof.
Background
The horizontal sedimentation tank is the most widely applied sedimentation process at present, and has the advantages of strong raw water turbidity adaptability, large water quality potential and stable treatment effect compared with other types of sedimentation tanks. According to the design standard of outdoor water supply (GB50013), the retention time generally reaches 1.5 h-3.0 h, and certain obstacles exist in production control due to overlong retention time: the accuracy of coagulant dosage is usually judged by detecting the turbidity of effluent of a sedimentation tank in a water production plant, but the detection result of the turbidity of the effluent after sedimentation seriously lags behind the time requirement of dosage (generally more than 1.5 h), so that the accuracy of the dosage is difficult to judge in time. When the turbidity of the settled water is not up to the standard, the dosage can be increased only in the mixing tank, but the process water lack of the medicine between the mixing tank and the sedimentation tank cannot realize process regulation and control, and the risk of over standard turbidity exists. Particularly, when raw water is high turbid, once the dosage is insufficient, muddy water is very easy to appear in the sedimentation tank, production can only be stopped, and the sedimentation tank can only be emptied, so that a plurality of difficulties are brought to normal production operation.
According to the sedimentation principle, the sedimentation efficiency of a sedimentation tank is related to the surface area of the sedimentation tank, and the surface load is generally used for expressing the water amount which can be treated by the sedimentation tank per unit area, and the unit is m/h. Standing for precipitation, and taking a water sample with a certain height after a period of time to simulate the precipitation effect of the horizontal flow sedimentation tank. Therefore, it is very necessary to design a fast and convenient online automatic static sedimentation experimental device for a horizontal sedimentation tank.
Disclosure of Invention
In order to solve the problems, the invention provides an online automatic static sedimentation experimental device for a horizontal sedimentation tank and a using method thereof, which can realize the functions of automatic sampling, sedimentation simulation and prediction of the effluent quality of the horizontal sedimentation tank.
The technical scheme adopted by the invention is as follows:
on-line automatic static sedimentation experimental device for horizontal sedimentation tank, comprising: mount, a laboratory glassware, support and turbidity probe, the pool wall at the sedimentation tank can be fixed to the mount, the laboratory glassware passes through the vertical installation of support on the mount, the support can slide from top to bottom along the mount for the laboratory glassware can be free immerse in water or leave the surface of water, turbidity probe sets up the upper portion at the laboratory glassware.
The invention relates to an online automatic static sedimentation experimental device of a horizontal sedimentation tank, which is characterized in that: the fixing frame is of a strip structure and is vertically arranged on the wall of the sedimentation tank, and the fixing frame is provided with fixing legs and a sliding groove.
The invention relates to an online automatic static sedimentation experimental device of a horizontal sedimentation tank, which is characterized in that: still include with the bar slider that the spout corresponds, the support is fixed on the bar slider.
The invention relates to an online automatic static sedimentation experimental device of a horizontal sedimentation tank, which is characterized in that: the top of the strip-shaped sliding block is provided with a sliding block pull rod, and the sliding block pull rod controls the support to slide up and down.
The invention relates to an online automatic static sedimentation experimental device of a horizontal sedimentation tank, which is characterized in that: the support comprises an upper support plate and a lower support plate, and the upper experiment cylinder is positioned between the upper support plate and the lower support plate.
The invention relates to an online automatic static sedimentation experimental device of a horizontal sedimentation tank, which is characterized in that: two or more than two struts are arranged between the upper support plate and the lower support plate and are perpendicular to the upper support plate and the lower support plate.
The invention relates to an online automatic static sedimentation experimental device of a horizontal sedimentation tank, which is characterized in that: the experimental cylinder is of a cylindrical structure, the lower end of the experimental cylinder is open, the upper end of the experimental cylinder is closed, and a through hole which can be opened and closed is formed in the top of the upper end of the experimental cylinder.
The invention relates to an online automatic static sedimentation experimental device of a horizontal sedimentation tank, which is characterized in that: the experimental cylinder is characterized in that two or more cylinder rings are arranged on the outer side of the experimental cylinder, the supporting column vertically penetrates through the cylinder rings, and the experimental cylinder can slide up and down along the supporting column along with the cylinder rings.
The invention relates to an online automatic static sedimentation experimental device of a horizontal sedimentation tank, which is characterized in that: the top of the experimental cylinder is provided with a connecting rod which can drive the experimental cylinder to slide up and down relative to the pillar; the upper support plate is provided with a hole for the connecting rod to pass through.
The invention relates to an online automatic static sedimentation experimental device of a horizontal sedimentation tank, which is characterized in that: the turbidity probe can be freely adjusted in height position in the experimental cylinder, and is generally arranged at a position 10-13 cm away from the upper end of the sample cylinder.
The use method of the online automatic static sedimentation experimental device for the horizontal sedimentation tank specifically comprises the following steps: the experimental device is arranged on the wall of the inlet of the sedimentation tank, and one half of the fixing frame is positioned below the conventional water surface and the other half is positioned above the water surface; when the water sample is required to be taken for static settlement experiment, the through hole of the experimental cylinder is opened, and the slide block pull rod is pressed down, so that the experimental cylinder is wholly immersed in the pool water, and the turbidity probe can measure the turbidity change in the experimental cylinder in good time.
The use method of the online automatic static sedimentation experimental device for the horizontal sedimentation tank also comprises the step of closing the through hole in the experimental test, so that the interference of the sedimentation environment in the experimental cylinder caused by the sedimentation of suspended matters in the upper water level is avoided.
The use method of the online automatic static sedimentation experimental device for the horizontal sedimentation tank also comprises the step of closing the opening of the lower end of the experimental cylinder, the connecting rod is pressed downwards, the experimental cylinder moves downwards along the pillar, the cylinder ring at the bottom end is tightly attached to the lower support plate, a water sample obtained in the experimental cylinder is effectively isolated from water in the sedimentation tank outside the cylinder, and the experimental cylinder completely forms a closed space.
The use method of the online automatic static sedimentation experimental device for the horizontal sedimentation tank also comprises the step of observing the sedimentation process in due time, after sampling is finished, the through hole is kept in a closed state, the slide block pull rod is pulled upwards, so that the bracket moves upwards relative to the fixed frame, and most of the experimental cylinder is exposed out of the water surface, thereby being beneficial to observation of experimenters; after the bottom end of the experimental cylinder is closed, the slide block pull rod is further pulled upwards, so that the sample cylinder is integrally separated from the water surface of the sedimentation tank, and the sedimentation condition of a water sample is favorably and effectively observed.
The use method of the online automatic static sedimentation experimental device for the horizontal sedimentation tank also comprises the step of discharging a water sample, when the experimental test is finished and the experimental cylinder is positioned above the water surface, the through hole is directly opened, and simultaneously the connecting rod is pulled upwards to drive the bottom end cylinder ring at the lower part of the experimental cylinder to be separated from the lower support plate; when the sample cylinder is positioned below the water surface, the through hole is directly opened, the connecting rod is pulled upwards at the same time, the bottom cylinder ring at the lower part of the experimental cylinder is driven to be separated from the lower support plate, and the sliding block pull rod is pulled upwards at the same time, so that the whole experimental cylinder is separated from the water surface of the sedimentation tank under the combined action, and the water sample in the experimental cylinder can be smoothly discharged.
The invention has the advantages that the problem of lagging turbidity detection is solved, the online automatic static settlement experimental device is provided with modules for automatically sampling, settling and measuring turbidity, the function of simulating the turbidity of settled effluent is achieved, and the following innovations are realized:
the static settlement experiment process is modularized and standardized, and the automatic static settlement experiment can be carried out at any time according to the production monitoring requirement to predict the water turbidity of the sedimentation tank;
the device can automatically take water from the water inlet perforated tracery wall of the sedimentation tank, and the sedimentation process of a water sample in the advection sedimentation is simulated by standing sedimentation;
by adopting immersion sampling, disturbance to a water body and alum flocs is reduced as much as possible, and precipitation simulation errors caused by alum flocs are avoided;
the sedimentation principle of the shallow pool is introduced into the device, and the probe measures the turbidity of the supernatant with a certain height, so that the sedimentation time is shortened compared with that of a sedimentation tank;
the height of the turbidity probe can be adjusted according to the load condition of the sedimentation tank, so that the standing sedimentation load is consistent with the load of the sedimentation tank, and the simulation effect is closer to real sedimentation. For example, if the load of a certain sedimentation tank is 1.4m/h, the height of the probe of the device is adjusted to 10cm underwater, and the water quality can be considered as the turbidity of the settled water after 4.3min of sedimentation time.
Drawings
FIG. 1 is a front view of an on-line automatic static sedimentation experimental device of a horizontal sedimentation tank of the invention;
fig. 2 is a cross-sectional view of the fixing frame of the present invention.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, specific embodiments of the present invention will now be described. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides an online automatic quiet heavy experimental apparatus of sedimentation tank, includes: mount 1, a laboratory glassware 2, support 3 and turbidity probe 4, mount 1 can be fixed at the pool wall of sedimentation tank, laboratory glassware 2 passes through the vertical installation of support 3 on mount 1, support 3 can slide from top to bottom along mount 1 for laboratory glassware 2 can be free immerse in the water or leave the surface of water, turbidity probe 4 sets up the upper portion at laboratory glassware 2.
The fixing frame 1 is of a strip structure and is vertically arranged on the wall of the sedimentation tank, and the fixing frame 1 is provided with fixing legs 11 and a sliding chute 12. The fixing feet 11 are used for being fixedly installed on the pool wall. The device also comprises a strip-shaped sliding block 31 corresponding to the sliding chute 12, and the bracket 3 is fixed on the strip-shaped sliding block 31. Thus, the bar-shaped slider 31 can slide freely up and down on the slide groove 12. Further, as shown in fig. 2, the cross section of the sliding chute 12 can be set to be an isosceles trapezoid closing structure, and the bar-shaped sliding block 31 is also set to be a corresponding shape, so that the bar-shaped sliding block 31 and the whole bracket 3 can be controlled well in the transverse direction. No additional lateral support needs to be added.
The top of the strip-shaped sliding block 31 is provided with a sliding block pull rod 32, and the bracket 3 is controlled to slide up and down through the sliding block pull rod 32. The holder 3 comprises an upper support plate 33 and a lower support plate 34, and the upper cartridge 2 is positioned between the upper support plate 33 and the lower support plate 34. Two or more support posts 35 are provided between the upper and lower support plates 33 and 34 perpendicularly to the upper and lower support plates 33 and 34, thus constituting the main body of the stand 3.
The experimental cylinder 2 is of a cylindrical structure, the lower end of the experimental cylinder is open, the upper end of the experimental cylinder is closed, the experimental cylinder is similar to an inverted measuring cylinder in general, and the top of the upper end of the experimental cylinder is provided with a through hole 21 which can be opened and closed.
Two or more cylinder rings 22 are arranged on the outer side of the experiment cylinder 2, the support column 35 vertically penetrates through the cylinder rings 22, and the experiment cylinder 2 can slide up and down along the support column 35 along with the cylinder rings 22. The experiment section of thick bamboo 2 in this embodiment figure 1 is provided with two section of thick bamboo rings 22 and is located the top and the bottom of experiment section of thick bamboo 3 respectively, and top section of thick bamboo ring 22 is almost made integratively with the last top of experiment section of thick bamboo 2, bottom section of thick bamboo ring 22 is along flushing with the end opening of experiment section of thick bamboo 2, the benefit of design like this lies in, when the experiment section of thick bamboo submergence, accomplish the sample back, make bottom section of thick bamboo ring 22 hug closely with lower backup plate 34 with sample section of thick bamboo 2 whole push-down, can play effectual airtight effect, make the water sample in the experiment section of thick bamboo 2 keep apart with outside water each other, avoid causing the interference to the precipitation experiment of experiment section of thick bamboo 2.
The top of the experiment cylinder 2 is provided with a connecting rod 23 which can drive the experiment cylinder 2 to slide up and down relative to the pillar; the upper support plate is provided with a hole for the connecting rod to pass through.
The turbidity probe 4 can be freely adjusted in the height of the experiment cylinder 2, and the turbidity probe 4 is generally arranged at a position 10-13 cm away from the upper end of the sample cylinder.
The specific use method of the test device comprises the following steps:
the experimental device is generally installed on the wall of the inlet of the sedimentation tank, and when the experimental device is installed, half of the fixing frame 1 can be positioned below the normal water surface and half can be positioned above the water surface. The laboratory cylinder 2 can be submerged in the pool water or be taken out of the water by pushing and pulling the slider pull rod 32. When the water sample is taken out to carry out the quiet heavy experiment as needs, open the through-hole 21 of a laboratory cylinder 2, push down slider pull rod 32 for laboratory cylinder 2 is whole to be submerged in pond aquatic, and under the state at this moment, turbidity probe 4 still can survey the turbidity change in a timely laboratory cylinder 2.
Further, in the experimental test, the step of closing the through hole 21 is also included, so that the interference of the sediment environment in the experimental cylinder 2 caused by the sinking of the suspended matters in the upper water level is avoided.
Further, still including the step of sealing the end socket under the section of thick bamboo 2, need push down connecting rod 23 this moment for section of thick bamboo 2 moves down along pillar 35, makes bottom section of thick bamboo ring 22 hug closely down extension board 34, can make the water sample of acquireing in the section of thick bamboo 2 effectively keep apart with the water in the outer sedimentation tank of section of thick bamboo like this, and section of thick bamboo 2 forms a confined space completely, has thoroughly avoided external interference.
Further, the lower surface of the bottom end cylindrical ring 22 and the upper surface of the lower support plate 34 may be respectively configured as a layer of rubber pad, so that they can achieve a very effective sealing effect by mutual pressing to a certain extent after they are contacted with each other.
Further, when necessary, the experimental method further comprises the step of observing the sedimentation process in due time, after sampling is completed, the through hole 21 is kept in a closed state, the sliding block pull rod 32 is pulled upwards, the support 2 moves upwards relative to the fixing frame 1, and then most of the experimental cylinder 2 is exposed out of the water surface. Obviously, if the deposition state in the test tube 2 is observed in due time, the test tube 2 must be made of transparent material, such as transparent plastic, glass, etc. Obviously, because the through hole 21 is in the closed state at this moment, and the bottom opening of the experiment cylinder 2 is still not in the water, under the effect of atmospheric pressure, the water column in the experiment cylinder 2 can still be kept stable, and cannot flow out of the experiment cylinder 2 downwards.
Further, in the aforesaid step, can be in the sealed back of experiment section of thick bamboo 2 bottom, further upwards pulling slider pull rod 32 for sample section of thick bamboo 2 is whole to break away from the sedimentation tank surface of water, and what be favorable to like this carries out effectual observation to the sedimentation condition of water sample more.
Further, the experimental method further comprises the step of draining the water sample. After the experiment test is finished, when the experiment barrel 2 is positioned above the water surface, the through hole 21 is directly opened, and meanwhile, the connecting rod 23 is pulled upwards to drive the bottom barrel ring 22 at the lower part of the experiment barrel 2 to be separated from the lower support plate 34, so that the water sample in the experiment barrel 2 can be smoothly discharged. When the sample cylinder 2 is positioned below the water surface, the through hole 21 is directly opened, and simultaneously the connecting rod 23 is pulled upwards to drive the bottom cylinder ring 22 at the lower part of the experimental cylinder 2 to be separated from the lower support plate 34, and simultaneously the sliding block pull rod 32 is pulled upwards, so that the experimental cylinder 2 is integrally separated from the water surface of the sedimentation tank under the combined action.
In the description of the present invention, it should be noted that the terms "disposed," "mounted," and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either a wired or wireless connection.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. On-line automatic static sedimentation experimental device for horizontal sedimentation tank, which is characterized by comprising: mount, a laboratory glassware, support and turbidity probe, the pool wall at the sedimentation tank can be fixed to the mount, the laboratory glassware passes through the vertical installation of support on the mount, the support can slide from top to bottom along the mount for the laboratory glassware can be free immerse in water or leave the surface of water, turbidity probe sets up the upper portion at the laboratory glassware.
2. The on-line automatic static sedimentation experimental facility of the horizontal flow sedimentation tank according to claim 1, characterized in that: the fixing frame is of a strip structure and is vertically arranged on the wall of the sedimentation tank, and the fixing frame is provided with fixing legs and a sliding chute; still include with the bar slider that the spout corresponds, the support is fixed on the bar slider.
3. The on-line automatic static sedimentation experimental facility of the horizontal flow sedimentation tank according to claim 2, characterized in that: the top of the strip-shaped sliding block is provided with a sliding block pull rod, and the sliding block pull rod controls the support to slide up and down; the support comprises an upper support plate and a lower support plate, and the upper experiment cylinder is positioned between the upper support plate and the lower support plate.
4. The on-line automatic static sedimentation experimental facility of the horizontal flow sedimentation tank according to claim 3, characterized in that: two or more than two struts are arranged between the upper support plate and the lower support plate and are perpendicular to the upper support plate and the lower support plate; the experimental cylinder is of a cylindrical structure, the lower end of the experimental cylinder is open, the upper end of the experimental cylinder is closed, and a through hole which can be opened and closed is formed in the top of the upper end of the experimental cylinder.
5. The on-line automatic static sedimentation experimental facility of the horizontal flow sedimentation tank according to claim 4, characterized in that: two or more cylinder rings are arranged on the outer side of the experimental cylinder, the supporting column vertically penetrates through the cylinder rings, and the experimental cylinder can slide up and down along the supporting column along with the cylinder rings; the top of the experimental cylinder is provided with a connecting rod which can drive the experimental cylinder to slide up and down relative to the pillar; the upper support plate is provided with a hole for the connecting rod to pass through.
6. The use method of the online automatic static sedimentation experimental device of the horizontal sedimentation tank is characterized in that: the experimental device is arranged on the wall of the inlet of the sedimentation tank, and one half of the fixing frame is positioned below the conventional water surface and the other half is positioned above the water surface; when the water sample is required to be taken for static settlement experiment, the through hole of the experimental cylinder is opened, and the slide block pull rod is pressed down, so that the experimental cylinder is wholly immersed in the pool water, and the turbidity probe can measure the turbidity change in the experimental cylinder in good time.
7. The use method of the horizontal flow sedimentation tank on-line automatic static sedimentation experimental device according to claim 6, characterized in that: in the experimental test, the step of closing the through hole is further included, so that the interference of suspended matters in the upper water level to the precipitation environment in the experimental cylinder is avoided.
8. The use method of the horizontal flow sedimentation tank on-line automatic static sedimentation experimental device according to claim 7, characterized in that: the method also comprises the step of closing a lower end barrel opening of the experiment barrel, the connecting rod is pressed downwards, the experiment barrel moves downwards along the pillar, the bottom end barrel ring is tightly attached to the lower supporting plate, the water sample obtained in the experiment barrel is effectively isolated from the water in the sedimentation tank outside the barrel, and the experiment barrel completely forms a closed space.
9. The use method of the horizontal flow sedimentation tank on-line automatic static sedimentation experimental device according to claim 8, characterized in that: the method also comprises a step of observing the sedimentation process in due time, after sampling is finished, the through hole is kept in a closed state, the slide block pull rod is pulled upwards, the bracket moves upwards relative to the fixed frame, and most of the experimental cylinder is exposed out of the water surface, so that the observation of experimenters is facilitated; after the bottom end of the experimental cylinder is closed, the slide block pull rod is further pulled upwards, so that the sample cylinder is integrally separated from the water surface of the sedimentation tank, and the sedimentation condition of a water sample is favorably and effectively observed.
10. The use method of the horizontal flow sedimentation tank on-line automatic static sedimentation experimental device according to claim 9, characterized in that: the method also comprises a step of discharging a water sample, wherein when the experiment test is finished and the experiment cylinder is positioned above the water surface, the through hole is directly opened, and meanwhile, the connecting rod is pulled upwards to drive the bottom cylinder ring at the lower part of the experiment cylinder to be separated from the lower support plate; when the sample cylinder is positioned below the water surface, the through hole is directly opened, the connecting rod is pulled upwards at the same time, the bottom cylinder ring at the lower part of the experimental cylinder is driven to be separated from the lower support plate, and the sliding block pull rod is pulled upwards at the same time, so that the whole experimental cylinder is separated from the water surface of the sedimentation tank under the combined action, and the water sample in the experimental cylinder can be smoothly discharged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210099671.2A CN114354878A (en) | 2022-01-27 | 2022-01-27 | Online automatic static sedimentation experimental device for horizontal sedimentation tank and use method of online automatic static sedimentation experimental device |
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| CN202210099671.2A CN114354878A (en) | 2022-01-27 | 2022-01-27 | Online automatic static sedimentation experimental device for horizontal sedimentation tank and use method of online automatic static sedimentation experimental device |
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| CN114354878A true CN114354878A (en) | 2022-04-15 |
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| CN202210099671.2A Pending CN114354878A (en) | 2022-01-27 | 2022-01-27 | Online automatic static sedimentation experimental device for horizontal sedimentation tank and use method of online automatic static sedimentation experimental device |
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