CN114858669B - Intelligent sludge settlement ratio detection device - Google Patents
Intelligent sludge settlement ratio detection device Download PDFInfo
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- CN114858669B CN114858669B CN202210791825.4A CN202210791825A CN114858669B CN 114858669 B CN114858669 B CN 114858669B CN 202210791825 A CN202210791825 A CN 202210791825A CN 114858669 B CN114858669 B CN 114858669B
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- 239000010802 sludge Substances 0.000 title claims abstract description 169
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 229920000742 Cotton Polymers 0.000 claims description 33
- 238000001914 filtration Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 16
- 238000004062 sedimentation Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000005273 aeration Methods 0.000 abstract description 24
- 238000005070 sampling Methods 0.000 abstract description 12
- 238000000691 measurement method Methods 0.000 description 18
- 238000005259 measurement Methods 0.000 description 15
- 238000007599 discharging Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 230000001376 precipitating effect Effects 0.000 description 5
- 230000007306 turnover Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention discloses an intelligent sludge settlement ratio detection device, and relates to the field of sludge settlement ratio detection devices. The sludge settling ratio detection device provided by the invention realizes accurate detection and rapid detection of the sludge settling ratio, when the device is used, an outer measuring cylinder and an inner measuring cylinder in the device are completely immersed in activated sludge mixed liquid in an aeration tank, a transmission shaft is driven to rotate through a power unit, a first bevel gear and a second bevel gear at the end part of the transmission shaft drive the outer measuring cylinder to rotate outside the inner measuring cylinder when being meshed, at the moment, an outer inlet and outlet groove on the outer measuring cylinder is communicated with an inner inlet and outlet groove on the inner measuring cylinder, and the activated sludge mixed liquid in the aeration tank can uniformly enter the inner measuring cylinder through a plurality of groups of outer inlet and outlet grooves and inner inlet and outlet grooves, so that the problem that the sludge and liquid ratio in the activated sludge mixed liquid in an exposure tank entering the inner measuring cylinder are influenced by the eddy phenomenon when sampling is carried out through a small-opening measuring cylinder or other containers is solved.
Description
Technical Field
The invention relates to the field of sludge settlement ratio detection devices, in particular to an intelligent sludge settlement ratio detection device.
Background
The sludge sedimentation ratio refers to that the mixed liquid of the activated sludge in the aeration tank is quickly poured into a 1000ml graduated cylinder to full scale, after standing and precipitating for 30 minutes, the volume ratio of the precipitated sludge to the taken mixed liquid is the sludge sedimentation ratio, the index of the sludge sedimentation ratio can reflect the sludge amount in the operation process of the aeration tank, so that the discharge amount of the activated sludge can be controlled and adjusted, and meanwhile, the index of the sludge sedimentation ratio is also the visual reaction of abnormal phenomena such as sludge bulking and the like.
As described above, in the prior art, two conditions need to be satisfied when measuring the sludge settling ratio: 1. uniformly mixing the exposure pool activated sludge mixed liquor, and quickly taking out the uniformly mixed exposure pool activated sludge mixed liquor; 2. and standing and precipitating the exposure pool activated sludge mixed liquor for 30 minutes.
The prior art for measuring the sludge settlement ratio has the following disadvantages: 1. when a measuring cylinder or other containers are used for quickly taking out the exposure pond activated sludge mixed liquor, the liquid entering the measuring cylinder or other containers has a vortex phenomenon, and the equal-volume mass of the liquid in the exposure pond activated sludge mixed liquor is smaller than that of sludge, so that the liquid with smaller equal-volume mass can preferably enter the measuring cylinder or other containers when passing through the inlet vortex of the measuring cylinder or other containers, and the sludge with larger equal-volume mass is easily remained outside the inlet of the measuring cylinder or other containers, so that the sludge and liquid proportion entering the measuring cylinder or other containers is inconsistent with the sludge and liquid proportion in the exposure pond activated sludge mixed liquor, and the measurement is inaccurate; 2. the sludge settlement ratio can be obtained only after the exposure pool activated sludge mixed liquid is statically precipitated for 30 minutes, and the sludge settlement ratio can not be rapidly measured, so that the activated sludge discharge amount can be timely controlled and adjusted.
Therefore, it is necessary to invent an intelligent sludge sedimentation ratio detection device to solve the above problems.
Disclosure of Invention
The invention aims to provide an intelligent sludge settlement ratio detection device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent sludge settlement ratio detection device comprises an outer measuring cylinder and an inner measuring cylinder, wherein the outer measuring cylinder is of a cylindrical structure with an upper opening and a lower opening, the inner measuring cylinder is of a cylindrical structure with an upper opening, the outer measuring cylinder is rotatably sleeved outside the inner measuring cylinder, the inner wall of the outer measuring cylinder is movably attached to the outer wall of the inner measuring cylinder, the attaching position keeps sealed, the outer measuring cylinder is provided with outer inlet and outlet grooves for communicating the inside and the outside of the outer measuring cylinder, the inner measuring cylinder is provided with inner inlet and outlet grooves for communicating the inside and the outside of the inner measuring cylinder, the outer inlet and outlet grooves and the inner inlet and outlet grooves are respectively provided with a plurality of groups, the outer inlet and outlet grooves of the plurality of groups are equidistantly distributed on the outer ring of the outer measuring cylinder, the outer inlet and outlet grooves of the plurality of groups are equidistantly distributed on the outer ring of the inner measuring cylinder, the outer surface of the outer measuring cylinder is provided with scale marks distributed along the height direction of the outer measuring cylinder, and the push plate is arranged inside of the outer measuring cylinder, the lower end of the outer measuring cylinder is internally provided with a separating mechanism, a collecting assembly is arranged below the outer measuring cylinder, one side of the outer measuring cylinder is provided with a support, the support is provided with a waterproof shell, a monitoring unit for observing the outer measuring cylinder is arranged in the waterproof shell, and the waterproof shell is provided with a glass cover corresponding to the end part of the monitoring unit;
separating mechanism is including filtering cotton piece, casing, collect the subassembly including storage box, top tube mouth, the screw hole that runs through inside and outside the lower extreme of outer graduated flask is provided with, storage box fixed mounting is at the lower extreme of support, and top tube mouth intercommunication sets up in the upper end of storage box, goes up orificial upper end and passes through screw-thread fit connection in the screw hole, the casing passes through screw-thread fit connection inside last orificial upper end, and the middle part of casing is provided with the through-hole that runs through from top to bottom, the inner wall of through-hole is provided with the mounting groove that is annular cell body structure, it installs in the mounting groove to filter cotton piece block, and filters cotton piece and will go up orificial upper end opening and stop completely.
Preferably, a first driving mechanism is arranged in the waterproof shell and comprises a power unit, the power unit is fixed at the bottom of the waterproof shell, the end of the power unit is in transmission connection with a transmission shaft, the transmission shaft movably extends out of the waterproof shell, a first helical gear is fixedly arranged at one end of the transmission shaft movably extending out of the waterproof shell, a second helical gear is fixedly welded at the outer ring of the lower end of the outer measuring cylinder, and the first helical gear and the second helical gear are in meshing transmission.
The sludge settling ratio detection device of the invention realizes accurate detection and rapid detection of the sludge settling ratio, when in use, an outer measuring cylinder and an inner measuring cylinder in the device are completely immersed in the activated sludge mixed liquid of the aeration tank, a transmission shaft is driven to rotate by a power unit, a first bevel gear and a second bevel gear at the end part of the transmission shaft drive the outer measuring cylinder to rotate outside the inner measuring cylinder when being meshed, at the moment, an outer inlet and outlet groove on the outer measuring cylinder is communicated with an inner inlet and outlet groove on the inner measuring cylinder, the activated sludge mixed liquid of the aeration tank can uniformly enter the inner measuring cylinder through a plurality of groups of outer inlet and outlet grooves and inner inlet and outlet grooves, thereby avoiding the problem that the sludge and liquid ratio in the activated sludge mixed liquid of the exposure tank entering the inner measuring cylinder are influenced by the eddy phenomenon when sampling by a small-opening measuring cylinder or other containers to cause deviation, and when the activated sludge mixed liquid of the exposure tank enters the inner measuring cylinder, the outer measuring cylinder is continuously driven to rotate, make outer business turn over groove, interior business turn over groove crisscross distribution, can seal the inside of graduated flask including exposure pond activated sludge mixed liquid, accomplished the purpose of accurate sample, its corresponding quilt of accuracy nature when carrying out the mud settlement ratio detection based on the follow-up sample of interior graduated flask.
When measuring the sludge sedimentation ratio, accessible promotion unit drive connecting rod below moves downwards, and the push pedal below the connecting rod promotes exposure pond activated sludge mixed liquor in the graduated flask through filtering in the cotton piece back discharge into the storage box from last mouth of pipe, and the mud in the exposure pond activated sludge mixed liquor is filtered in the inside of outer graduated flask by filtering cotton piece, and liquid is stored in the storage box, has accomplished the quick separation of mud and liquid to confirm the relative proportion of mud and liquid.
When actually measuring the sludge settlement ratio, in order to meet the existing measurement standard, a database can be prepared first, so that the standard data of the existing sludge settlement ratio can be obtained quickly according to a new quick measurement method, and during the specific operation: firstly, preparing a large amount of exposure pond activated sludge mixed liquor taken from different exposure ponds, and obtaining a sludge sedimentation ratio after sampling, standing and precipitating for 30 minutes by using the conventional measurement method: a1, a2, and A3.. An, and then repeatedly measuring the sludge settlement ratio in the sludge mixed liquor by using the detection device: b1, B2 and B3.. An.. Bn, (A1, B1), (A2, B2), (A3 and B3.) are respectively matched together and stored in a database, then the data are uploaded to a networked host computer for storage, and if the sludge settlement ratio measured by the detection device is used subsequently, the original corresponding settlement ratio data can be quickly matched, the data measured by the original standard measurement method can be measured by using a quick measurement method, and the efficiency of measuring the sludge settlement ratio is improved.
The problem that the proportion of sludge and liquid in the activated sludge mixed liquid of the exposure pool is inconsistent due to the fact that eddy current phenomenon is avoided in the detection device is still not solved by referring to the original sludge settlement ratio data, but the measurement method is a new measurement method, and the problem that the measurement accuracy cannot be improved due to the improvement of the measurement standard can be solved.
Preferably, the upper end of support is provided with actuating mechanism two, and actuating mechanism two is including promoting the unit, promote unit fixed mounting in the upper end of support, promote the unit along the direction of height distribution of outer graduated flask, the lower extreme fixed mounting who promotes the unit has the connecting plate, the bottom surface fixed welding of connecting plate has the connecting rod, the lower extreme activity of connecting rod stretches into the inside of interior graduated flask, and the connecting rod activity stretches into the fixed welding of the inside one end of interior graduated flask has the push pedal, the fixed rubber seal that is provided with in outer lane department of push pedal, rubber seal seals between push pedal outer lane and interior graduated flask inner wall.
Specifically, the monitoring unit can monitor the sludge amount in the inner measuring cylinder, and directly obtain the sludge amount through the scale marks on the outer measuring cylinder, so that the settlement ratio of the sludge can be quickly obtained;
in the device, the monitoring unit can use devices such as a camera, the power unit can use devices such as a waterproof motor, and the pushing unit can use devices such as a waterproof electric push rod or a waterproof air cylinder.
Preferably, go up and be provided with one-way entering subassembly in the mouth of pipe, one-way entering subassembly is including setting up in barrier ring, spring and the holding ring of casing bottom, the holding ring fixed weld is on last orificial inner wall, the fixed welding of spring is at the upper surface of holding ring, the fixed welding of barrier ring is in the upper end of spring, the movable laminating of barrier ring is at the below opening part of through-hole.
When the aeration tank activated sludge mixed liquor in the graduated flask descends to the storage box in the push pedal promotes, mud is held back in the top of filtering the cotton piece, when the push pedal resets, because the setting of one-way entering subassembly and one-way discharge subassembly for but the aeration tank activated sludge mixed liquor in the storage box one-way discharges once more through the check valve in the graduated flask, thereby accomplish the purpose of filtering cotton piece surface washing, avoided the phenomenon that a large amount of adhesions of mud influence the device and use next time at the upper surface of filtering the cotton piece.
Preferably, the upper pipe opening is further provided with a one-way discharge assembly, the one-way discharge assembly comprises a discharge pipe fixedly arranged in the middle of the filter cotton block, a one-way valve for liquid in the storage box to enter the outer measuring cylinder in a one-way mode is arranged in the discharge pipe, and a stop ring is movably sleeved at the outer ring of the discharge pipe between the inner ring of the positioning ring and the outer ring of the discharge pipe.
Preferably, the upper end outer ring of the shell is fixedly welded with an upper limiting plate, the upper limiting plate is movably attached to the upper surface of the upper pipe orifice, and the upper limiting plate blocks the shell from sinking into the lower end of the upper pipe orifice.
Preferably, the outer ring of the upper pipe orifice is fixedly welded with a lower limiting plate, and the lower limiting plate is movably attached to the lower surface of the outer measuring cylinder.
Preferably, the lower part of outer graduated flask is provided with the direction subassembly, and the direction subassembly includes guide ring, direction slider, direction spout, guide bar, the guide ring is the fixed welding of loop configuration at the upper surface of storage box, and the axis of guide ring is unanimous with the axis of outer graduated flask, the fixed welding of guide bar is at the lower surface of outer graduated flask, and the lower surface of guide bar outer graduated flask distributes around the axis of outer graduated flask has the multiunit, and the fixed welding of direction slider is at the lower surface of guide bar, the direction spout sets up in the inside of guide ring, the lower extreme activity of guide bar passes the upper surface of guide ring and stretches into in the direction spout, the direction slider slides and sets up in the direction spout.
Further, for outer graduated flask can be stable including graduated flask outer lane department rotate, be provided with the direction subassembly in the below of outer graduated flask, when outer graduated flask rotated, the direction slider rotated in the spout that leads to realize outer graduated flask and the coaxial purpose of interior graduated flask real-time holding.
Preferably, the height of the connecting rod is higher than that of the inner measuring cylinder, and the outer diameter of the connecting rod is smaller than the inner diameter of the inner measuring cylinder.
In the device, the outer measuring cylinder and the inner measuring cylinder are both made of transparent plastic cylinder or glass cylinder materials.
Preferably, the outer inlet and outlet groove and the inner inlet and outlet groove are both in a long-strip groove body structure, and the outer inlet and outlet groove and the inner inlet and outlet groove are both distributed along the height direction of the outer measuring cylinder.
The length of the outer inlet and outlet groove and the length of the inner inlet and outlet groove are longer, the whole opening area is large, the phenomena of high flow speed and eddy current when the activated sludge mixed liquid of the aeration tank enters and exits the inner measuring cylinder are avoided, and therefore the proportion of sludge and liquid in the activated sludge mixed liquid of the aeration tank is ensured not to change.
The invention has the technical effects and advantages that:
1. the sludge settling ratio detection device of the invention realizes accurate detection and rapid detection of the sludge settling ratio, when in use, an outer measuring cylinder and an inner measuring cylinder in the device are completely immersed in the activated sludge mixed liquid of the aeration tank, a transmission shaft is driven to rotate by a power unit, a first bevel gear and a second bevel gear at the end part of the transmission shaft drive the outer measuring cylinder to rotate outside the inner measuring cylinder when being meshed, at the moment, an outer inlet and outlet groove on the outer measuring cylinder is communicated with an inner inlet and outlet groove on the inner measuring cylinder, the activated sludge mixed liquid of the aeration tank can uniformly enter the inner measuring cylinder through a plurality of groups of outer inlet and outlet grooves and inner inlet and outlet grooves, thereby avoiding the problem that the sludge and liquid ratio in the activated sludge mixed liquid of the exposure tank entering the inner measuring cylinder are influenced by the eddy phenomenon when sampling by a small-opening measuring cylinder or other containers to cause deviation, and when the activated sludge mixed liquid of the exposure tank enters the inner measuring cylinder, the outer measuring cylinder is continuously driven to rotate, make outer business turn over groove, interior business turn over groove crisscross distribution, can seal the inside of graduated flask including exposure pond activated sludge mixed liquid, accomplished the purpose of accurate sample, its corresponding quilt of accuracy nature when carrying out the mud settlement ratio detection based on the follow-up sample of interior graduated flask.
2. When the sludge sedimentation ratio is measured, the connecting rod below the connecting plate can be driven to move downwards by the pushing unit, the push plate below the connecting rod pushes the exposure pool activated sludge mixed liquor in the inner measuring cylinder to be discharged into the storage box from the upper pipe opening after passing through the filtering cotton block, the sludge in the exposure pool activated sludge mixed liquor is filtered out in the outer measuring cylinder by the filtering cotton block, the liquid is stored in the storage box, the rapid separation of the sludge and the liquid is completed, and therefore the relative proportion of the sludge and the liquid is determined.
3. The invention can solve the problem that the measurement accuracy can not be improved due to the improvement of the measurement standard, therefore, the detection device can still be suitable for the measurement of the sludge settlement ratio of the existing standard by the method, can also be suitable for the measurement of the settlement ratio after the improvement of the current standard, is improved in measurement speed, and can carry out intelligent detection, thereby correspondingly controlling and adjusting the discharge amount of the activated sludge in time and realizing the purpose of intelligent detection;
4. the monitoring unit can monitor the sludge amount in the inner measuring cylinder, and directly obtain the sludge amount through the scale marks on the outer measuring cylinder, so that the settlement ratio of the sludge can be quickly obtained;
5. when the push plate pushes the aeration tank activated sludge mixed liquid in the inner measuring cylinder to descend into the storage box, the sludge is intercepted above the filtering cotton blocks, and when the push plate is reset, the aeration tank activated sludge mixed liquid in the storage box can be discharged into the inner measuring cylinder again through the one-way valve in a one-way mode due to the arrangement of the one-way inlet assembly and the one-way discharge assembly, so that the purpose of washing the surfaces of the filtering cotton blocks is fulfilled, and the phenomenon that the device is used next time due to the fact that a large amount of sludge is adhered to the upper surfaces of the filtering cotton blocks is avoided.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a transverse cross-sectional view of the outer cylinder of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
FIG. 4 is an enlarged view of the structure A in FIG. 3 according to the present invention.
FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention.
In the figure: the device comprises an outer measuring cylinder 1, an inner measuring cylinder 2, an outer access groove 3, a scale mark 4, a storage box 5, a first helical gear 6, a second helical gear 7, a transmission shaft 8, a glass cover 9, a waterproof shell 10, a support 11, a connecting plate 12, a pushing unit 13, an inner access groove 14, a push plate 15, a rubber sealing ring 16, a monitoring unit 17, a power unit 18, a connecting rod 19, a threaded hole 20, an upper nozzle 21, a lower limiting plate 22, a shell 23, an upper limiting plate 24, a check valve 25, a filter cotton block 26, a mounting groove 27, a through hole 28, a blocking ring 29, a spring 30, a positioning ring 31, a discharge pipe 32, a guide ring 33, a guide rod 34, a guide slider 35 and a guide chute 36.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an intelligent sludge settlement ratio detection device as shown in figures 1-5, which comprises an outer measuring cylinder 1 and an inner measuring cylinder 2, wherein the outer measuring cylinder 1 is in a cylindrical structure with an upper opening and a lower opening, the inner measuring cylinder 2 is in a cylindrical structure with an upper opening, the outer measuring cylinder 1 is rotatably sleeved outside the inner measuring cylinder 2, the inner wall of the outer measuring cylinder 1 is movably attached to the outer wall of the inner measuring cylinder 2, the attaching position is kept sealed, the outer measuring cylinder 1 is provided with outer inlet and outlet grooves 3 communicating the inside and the outside of the outer measuring cylinder 1, the inner measuring cylinder 2 is provided with inner inlet and outlet grooves 14 communicating the inside and the outside of the inner measuring cylinder 2, the outer inlet and outlet grooves 3 and the inner inlet and outlet grooves 14 are respectively provided with a plurality of groups, the plurality of groups of outer inlet and outlet grooves 3 are distributed at equal intervals on the outer ring of the outer measuring cylinder 1, the plurality of groups of inner inlet and outlet grooves 14 are distributed on the outer ring of the inner measuring cylinder 2 in an equal interval manner, the plurality of groups of outer inlet and outlet grooves 3 are mutually staggered with a plurality of inner inlet and outlet grooves 14, the outer surface of the outer measuring cylinder 1 is provided with scale lines 4 distributed along the height direction thereof, a push plate 15 is arranged inside the outer measuring cylinder 1, a separating mechanism is arranged inside the lower end of the outer measuring cylinder 1, a collecting assembly is arranged below the outer measuring cylinder 1, a support 11 is arranged on one side of the outer measuring cylinder 1, a waterproof shell 10 is arranged on the support 11, a monitoring unit 17 used for observing the outer measuring cylinder 1 is arranged in the waterproof shell 10, and a glass cover 9 corresponding to the end part of the monitoring unit 17 is arranged on the waterproof shell 10;
separating mechanism is including filtering cotton piece 26, casing 23, collect the subassembly including storage box 5, go up mouth of pipe 21, the lower extreme of outer graduated flask 1 is provided with inside and outside screw hole 20 that runs through, storage box 5 fixed mounting is at the lower extreme of support 11, it sets up in the upper end of storage box 5 to go up mouth of pipe 21 intercommunication, it connects in screw hole 20 to go up the upper end of mouth of pipe 21 through screw-thread fit, casing 23 is connected inside the upper end of last mouth of pipe 21 through screw-thread fit, casing 23's middle part is provided with the through-hole 28 that runs through from top to bottom, the inner wall of through-hole 28 is provided with the mounting groove 27 that is annular groove body structure, it installs in mounting groove 27 to filter cotton piece 26 block, and filter cotton piece 26 and stop the upper end opening of last mouth of pipe 21 completely.
Be provided with actuating mechanism one in the waterproof casing 10, actuating mechanism one includes power unit 18, and power unit 18 fixes in the bottom of waterproof casing 10, and power unit 18's end transmission is connected with transmission shaft 8, and waterproof casing 10 is stretched out in the activity of transmission shaft 8, and the one end that waterproof casing 10 was stretched out in the activity of transmission shaft 8 is fixed and is provided with first helical gear 6, and the fixed welding of lower extreme outer lane department of outer graduated flask 1 has second helical gear 7, and the meshing transmission between first helical gear 6 and the second helical gear 7.
The sludge settling ratio detection device of the invention realizes accurate detection and rapid detection of the sludge settling ratio, when in use, an outer measuring cylinder 1 and an inner measuring cylinder 2 in the device are completely immersed in the activated sludge mixed liquid of the aeration tank, a power unit 18 drives a transmission shaft 8 to rotate, a first bevel gear 6 and a second bevel gear 7 at the end part of the transmission shaft 8 are meshed to drive the outer measuring cylinder 1 to rotate outside the inner measuring cylinder 2, at the moment, an outer inlet and outlet groove 3 on the outer measuring cylinder 1 is communicated with an inner inlet and outlet groove 14 on the inner measuring cylinder 2, the activated sludge mixed liquid of the aeration tank can uniformly enter the inner measuring cylinder 2 through a plurality of groups of outer inlet and outlet grooves 3 and inner inlet and outlet grooves 14, and the problem that the sludge and liquid ratio in the activated sludge mixed liquid of the exposure tank entering the inner measuring cylinder 2 is influenced by the eddy phenomenon when sampling through a small-opening measuring cylinder or other containers is avoided, the outer graduated flask 1 continues to be driven to rotate after the exposure pond activated sludge mixed liquid enters the inner graduated flask 2, so that the outer inlet and outlet groove 3 and the inner inlet and outlet groove 14 are distributed in a staggered manner, the exposure pond activated sludge mixed liquid can be sealed in the inner graduated flask 2, the purpose of accurate sampling is completed, and the accuracy is correspondingly improved when the sludge sedimentation ratio is detected based on the accurate sampling of the inner graduated flask 2.
When measuring the sludge sedimentation ratio, connecting rod 19 below connecting plate 12 can be driven by pushing unit 13 to move downwards, push plate 15 below connecting rod 19 pushes exposure pond activated sludge mixed liquor in inner graduated cylinder 2 to be discharged into storage box 5 from upper pipe orifice 21 after passing through filtering cotton block 26, sludge in the exposure pond activated sludge mixed liquor is filtered out in outer graduated cylinder 1 by filtering cotton block 26, liquid is stored in storage box 5, the quick separation of sludge and liquid is completed, thereby determining the relative proportion of sludge and liquid.
When actually measuring the sludge settlement ratio, in order to meet the existing measurement standard, a database can be prepared first, so that the standard data of the existing sludge settlement ratio can be obtained quickly according to a new quick measurement method, and during the specific operation: firstly, preparing a large amount of exposure pond activated sludge mixed liquor taken from different exposure ponds, and obtaining a sludge sedimentation ratio after sampling, standing and precipitating for 30 minutes by using the conventional measurement method: a1, a2, a3.. An, then the detection device is used for repeatedly measuring the sludge sedimentation ratio in the sludge mixed liquor: b1, B2 and B3.. An.Bn, wherein A1, B1, A2, B2, A3, B3.. An and Bn are respectively matched together and stored in a database, and then uploaded to a networked host computer for storage, and the original corresponding settlement ratio data can be quickly matched if the sludge settlement ratio measured by the detection device is subsequently used, so that the data measured by the original standard measurement method can be measured by using a quick measurement method, and the efficiency of measuring the sludge settlement ratio is improved.
The problem that the proportion of sludge and liquid in the activated sludge mixed liquid of the exposure pool is inconsistent due to the fact that eddy current phenomenon is avoided in the detection device is still not solved by referring to the original sludge settlement ratio data, but the measurement method is a new measurement method, and the problem that the measurement accuracy cannot be improved due to the improvement of the measurement standard can be solved.
Specifically, the monitoring unit 17 can monitor the sludge amount in the inner measuring cylinder 2, and directly obtain the sludge amount through the scale marks 4 on the outer measuring cylinder 1, so that the sludge settlement ratio can be quickly obtained, and the operation can be completed when the outer measuring cylinder 1 and the inner measuring cylinder 2 are immersed in the activated sludge mixed liquid in the aeration tank, so that the operation is simple and quick;
in the device, the monitoring unit 17 can use a camera and other devices, the power unit 18 can use a waterproof motor and other devices, and the pushing unit 13 can use a waterproof electric push rod or a waterproof air cylinder and other devices.
The upper nozzle 21 is internally provided with a one-way entering assembly, the one-way entering assembly comprises a stop ring 29, a spring 30 and a positioning ring 31, the stop ring 29, the spring 30 and the positioning ring 31 are arranged at the bottom of the shell 23, the positioning ring 31 is fixedly welded on the inner wall of the upper nozzle 21, the spring 30 is fixedly welded on the upper surface of the positioning ring 31, the stop ring 29 is fixedly welded on the upper end of the spring 30, and the stop ring 29 is movably attached to an opening below the through hole 28.
When the push plate 15 pushes the activated sludge mixed liquid in the aeration tank in the inner graduated cylinder 2 to drop into the storage box 5, the sludge is intercepted above the filter cotton block 26, when the push plate 15 resets, due to the arrangement of the one-way inlet component and the one-way discharge component, the activated sludge mixed liquid in the aeration tank in the storage box 5 can be discharged into the inner graduated cylinder 2 again through the one-way valve 25 in a one-way mode, so that the purpose of flushing the surface of the filter cotton block 26 is achieved, the phenomenon that the device is used next time due to the fact that a large amount of sludge is adhered to the upper surface of the filter cotton block 26 is avoided, and it needs to be noted that the flushing of the surface of the filter cotton block 26 is to flush the surface of the filter cotton block 26 through the liquid flowing effect in the discharge pipe 32 instead of directly impacting water on the surface of the filter cotton block 26.
The upper pipe orifice 21 is also provided with a one-way discharging component, the one-way discharging component comprises a discharging pipe 32 fixedly arranged in the middle of the filtering cotton block 26, a one-way valve 25 for liquid in the storage box 5 to enter the outer measuring cylinder 1 in a one-way mode is arranged in the discharging pipe 32, an inner ring of the positioning ring 31 is arranged between an outer ring of the discharging pipe 32, and the stop ring 29 is movably sleeved at the outer ring of the discharging pipe 32.
An upper limiting plate 24 is fixedly welded at the outer ring of the upper end of the shell 23, the upper limiting plate 24 is movably attached to the upper surface of the upper nozzle 21, and the upper limiting plate 24 blocks the shell 23 from sinking into the lower end of the upper nozzle 21.
The outer ring of the upper pipe orifice 21 is fixedly welded with a lower limiting plate 22, and the lower limiting plate 22 is movably attached to the lower surface of the outer measuring cylinder 1.
The below of outer graduated flask 1 is provided with the direction subassembly, the direction subassembly includes guide ring 33, guide slider 35, direction spout 36, guide bar 34, guide ring 33 is the fixed welding of loop configuration at the upper surface of storage box 5, and the axis of guide ring 33 is unanimous with the axis of outer graduated flask 1, guide bar 34 is fixed to be welded at the lower surface of outer graduated flask 1, guide bar 34 distributes around the axis of outer graduated flask 1 at the lower surface of outer graduated flask 1 has the multiunit, guide slider 35 is fixed to be welded at the lower surface of guide bar 34, direction spout 36 sets up in the inside of guide ring 33, the lower extreme activity of guide bar 34 passes the upper surface of guide ring 33 and stretches into in direction spout 36, guide slider 35 slides and sets up in direction spout 36.
Further, in order that the outer measuring cylinder 1 can stably rotate at the outer ring of the inner measuring cylinder 2, a guide assembly is arranged below the outer measuring cylinder 1, and when the outer measuring cylinder 1 rotates, the guide sliding block 35 rotates in the guide sliding groove 36, so that the aim that the outer measuring cylinder 1 and the inner measuring cylinder 2 are coaxial in real time is fulfilled.
The height of the connecting rod 19 is higher than the height of the inner measuring cylinder 2, and the outer diameter of the connecting rod 19 is smaller than the inner diameter of the inner measuring cylinder 2.
In the device, the outer measuring cylinder 1 and the inner measuring cylinder 2 are both made of transparent plastic cylinders or glass cylinder materials.
The outer inlet and outlet groove 3 and the inner inlet and outlet groove 14 are both in a long-strip groove body structure, and the outer inlet and outlet groove 3 and the inner inlet and outlet groove 14 are both distributed along the height direction of the outer measuring cylinder 1.
The length of the outer inlet and outlet groove 3 and the length of the inner inlet and outlet groove 14 are longer, the whole opening area is large, the phenomena of high flow speed and eddy current when the activated sludge mixed liquid of the aeration tank enters and exits the inner graduated cylinder 2 are avoided, and therefore the proportion of sludge and liquid in the activated sludge mixed liquid of the aeration tank is ensured not to be changed.
The working principle is as follows: the sludge settling ratio detection device of the invention realizes accurate detection and rapid detection of the sludge settling ratio, when in use, an outer measuring cylinder 1 and an inner measuring cylinder 2 in the device are completely immersed in the activated sludge mixed liquid of the aeration tank, a power unit 18 drives a transmission shaft 8 to rotate, a first bevel gear 6 and a second bevel gear 7 at the end part of the transmission shaft 8 are meshed to drive the outer measuring cylinder 1 to rotate outside the inner measuring cylinder 2, at the moment, an outer inlet and outlet groove 3 on the outer measuring cylinder 1 is communicated with an inner inlet and outlet groove 14 on the inner measuring cylinder 2, the activated sludge mixed liquid of the aeration tank can uniformly enter the inner measuring cylinder 2 through a plurality of groups of outer inlet and outlet grooves 3 and inner inlet and outlet grooves 14, and the problem that the sludge and liquid ratio in the activated sludge mixed liquid of the exposure tank entering the inner measuring cylinder 2 is influenced by the eddy phenomenon when sampling through a small-opening measuring cylinder or other containers is avoided, the outer graduated flask 1 continues to be driven to rotate after the exposure pond activated sludge mixed liquid enters the inner graduated flask 2, so that the outer inlet and outlet groove 3 and the inner inlet and outlet groove 14 are distributed in a staggered manner, the exposure pond activated sludge mixed liquid can be sealed in the inner graduated flask 2, the purpose of accurate sampling is completed, and the accuracy is correspondingly improved when the sludge sedimentation ratio is detected based on the accurate sampling of the inner graduated flask 2.
When measuring the sludge sedimentation ratio, the connecting rod 19 below the connecting plate 12 can be driven to move downwards by the pushing unit 13, the pushing plate 15 below the connecting rod 19 pushes the exposure pool activated sludge mixed liquor in the inner measuring cylinder 2 to be discharged into the storage box 5 from the upper pipe opening 21 after passing through the filtering cotton block 26, the sludge in the exposure pool activated sludge mixed liquor is filtered out in the outer measuring cylinder 1 by the filtering cotton block 26, the liquid is stored in the storage box 5, the rapid separation of the sludge and the liquid is completed, and therefore the relative proportion of the sludge and the liquid is determined.
When actually measuring the sludge settlement ratio, in order to meet the existing measurement standard, a database can be prepared first, so that the standard data of the existing sludge settlement ratio can be obtained quickly according to a new quick measurement method, and during the specific operation: firstly, preparing a large amount of exposure pond activated sludge mixed liquor taken from different exposure ponds, and obtaining a sludge sedimentation ratio after sampling, standing and precipitating for 30 minutes by using the conventional measurement method: a1, a2, and A3.. An, and then repeatedly measuring the sludge settlement ratio in the sludge mixed liquor by using the detection device: b1, B2 and B3.. An.Bn, A1, B1, A2, B2, A3, B3.. An and Bn are respectively matched together and stored in a database, then the data are uploaded to a networked host computer for storage, and then the original corresponding settlement ratio data can be quickly matched if the sludge settlement ratio measured by the detection device is used, the data measured by the original standard measurement method can be measured by using a quick measurement method, and the efficiency of measuring the sludge settlement ratio is improved.
The problem that the proportion of sludge and liquid in the activated sludge mixed liquid of the exposure pool is inconsistent due to the fact that eddy current phenomenon is avoided in the detection device is still not solved by referring to the original sludge settlement ratio data, but the measurement method is a new measurement method, and the problem that the measurement accuracy cannot be improved due to the improvement of the measurement standard can be solved.
The monitoring unit 17 can monitor the sludge amount in the inner measuring cylinder 2, directly obtain the sludge amount through the scale marks 4 on the outer measuring cylinder 1, thereby quickly obtaining the settlement ratio of the sludge, and the operation can be completed when the outer measuring cylinder 1 and the inner measuring cylinder 2 are immersed in the activated sludge mixed liquid in the aeration tank, and is simple and quick.
Claims (8)
1. The utility model provides an intelligent sludge sedimentation is than detection device which characterized in that: comprises an outer measuring cylinder (1) and an inner measuring cylinder (2), wherein the outer measuring cylinder (1) is of a cylindrical structure with an upper opening and a lower opening, the inner measuring cylinder (2) is of a cylindrical structure with an upper opening, the outer measuring cylinder (1) is rotatably sleeved outside the inner measuring cylinder (2), the inner wall of the outer measuring cylinder (1) is movably attached to the outer wall of the inner measuring cylinder (2), the attaching position is kept sealed, the outer measuring cylinder (1) is provided with outer inlet and outlet grooves (3) for communicating the inside and the outside of the outer measuring cylinder (1), the inner measuring cylinder (2) is provided with inner inlet and outlet grooves (14) for communicating the inside and the outside of the inner measuring cylinder (2), the outer inlet and outlet grooves (3) and the inner inlet and outlet grooves (14) are respectively provided with a plurality of groups, the outer inlet and outlet grooves (3) of the plurality of groups are distributed in the outer rings at equal intervals of the outer measuring cylinder (1), the inner inlet and outlet grooves (14) of the inner measuring cylinder (2) of the plurality of groups are distributed at equal intervals, and the outer inlet and outlet grooves (3) of the plurality of groups are mutually staggered with the inner inlet and outlet grooves (14) of the plurality of groups, the outer surface of the outer measuring cylinder (1) is provided with scale marks (4) distributed along the height direction of the outer measuring cylinder, the inner part of the outer measuring cylinder (1) is provided with a push plate (15), the lower end of a connecting rod (19) movably extends into the inner part of the inner measuring cylinder (2), one end of the connecting rod (19) movably extends into the inner part of the inner measuring cylinder (2) is fixedly welded with the push plate (15), the outer ring of the push plate (15) is fixedly provided with a rubber sealing ring (16), the rubber sealing ring (16) is sealed between the outer ring of the push plate (15) and the inner wall of the inner measuring cylinder (2), the inner part of the lower end of the outer measuring cylinder (1) is provided with a separating mechanism, the lower part of the outer measuring cylinder (1) is provided with a collecting component, one side of the outer measuring cylinder (1) is provided with a support (11), the support (11) is provided with a waterproof shell (10), and the waterproof shell (10) is provided with a monitoring unit (17) for observing the outer measuring cylinder (1), the waterproof shell (10) is provided with a glass cover (9) corresponding to the end part of the monitoring unit (17);
the separation mechanism comprises a filter cotton block (26) and a shell (23), the collection component comprises a storage box (5) and an upper pipe opening (21), the lower end of the outer graduated cylinder (1) is provided with an inner and outer through threaded hole (20), the storage box (5) is fixedly arranged at the lower end of the bracket (11), the upper pipe orifice (21) is communicated with the upper end of the storage box (5), the upper end of the upper pipe orifice (21) is connected in the threaded hole (20) through thread fit, the shell (23) is connected with the inner part of the upper end of the upper pipe orifice (21) in a threaded fit way, a through hole (28) which penetrates through the shell (23) up and down is arranged in the middle of the shell, the inner wall of the through hole (28) is provided with a mounting groove (27) which is of an annular groove body structure, the filtering cotton block (26) is clamped and mounted in the mounting groove (27), the upper end opening of the upper nozzle (21) is completely blocked by the filter cotton block (26);
a one-way entering assembly is arranged in the upper nozzle (21), the one-way entering assembly comprises a blocking ring (29), a spring (30) and a positioning ring (31), the blocking ring (29), the spring (30) and the positioning ring (31) are arranged at the bottom of the shell (23), the positioning ring (31) is fixedly welded on the inner wall of the upper nozzle (21), the spring (30) is fixedly welded on the upper surface of the positioning ring (31), the blocking ring (29) is fixedly welded at the upper end of the spring (30), and the blocking ring (29) is movably attached to an opening below the through hole (28);
go up still to be provided with one-way discharge assembly in mouth of pipe (21), one-way discharge assembly is including fixed discharge pipe (32) that sets up in filtering cotton piece (26) middle part, be provided with in discharge pipe (32) and supply one-way check valve (25) that get into in outer graduated flask (1) of the liquid in storage box (5), between the inner circle of holding ring (31) and the outer lane of discharge pipe (32), stop ring (29) activity cover is established in the outer lane department of discharge pipe (32).
2. The intelligent sludge settlement ratio detection device of claim 1, wherein: be provided with actuating mechanism one in waterproof casing (10), actuating mechanism one includes power unit (18), power unit (18) are fixed in the bottom of waterproof casing (10), and the end drive of power unit (18) is connected with transmission shaft (8), waterproof casing (10) are stretched out in transmission shaft (8) activity, and the one end that waterproof casing (10) were stretched out in transmission shaft (8) activity is fixed and is provided with first helical gear (6), the fixed welding of lower extreme outer lane department of outer graduated flask (1) has second helical gear (7), meshing transmission between first helical gear (6) and second helical gear (7).
3. The intelligent sludge settlement ratio detection device of claim 2, wherein: the upper end of support (11) is provided with actuating mechanism two, and actuating mechanism two is including promoting unit (13), promote unit (13) fixed mounting in the upper end of support (11), promote unit (13) along the direction of height distribution of outer graduated flask (1), the lower extreme fixed mounting who promotes unit (13) has connecting plate (12), the bottom surface fixed weld of connecting plate (12) has connecting rod (19), the lower extreme activity of connecting rod (19) stretches into the inside of interior graduated flask (2), and connecting rod (19) activity stretches into the inside one end fixed weld of interior graduated flask (2) and has push pedal (15), the outer lane department of push pedal (15) is fixed and is provided with rubber seal (16), rubber seal (16) are sealed between push pedal (15) outer lane and interior graduated flask (2) inner wall.
4. The intelligent sludge settlement ratio detection device of claim 3, wherein: the fixed welding of upper end outer lane department of casing (23) has last limiting plate (24), go up limiting plate (24) activity laminating at the upper surface of last mouth of pipe (21), it blocks inside casing (23) the lower extreme that is absorbed into last mouth of pipe (21) to go up limiting plate (24).
5. The intelligent sludge settlement ratio detection device of claim 4, wherein: the outer ring of the upper pipe orifice (21) is fixedly welded with a lower limiting plate (22), and the lower limiting plate (22) is movably attached to the lower surface of the outer measuring cylinder (1).
6. The intelligent sludge settlement ratio detection device as claimed in claim 5, wherein: a guide component is arranged below the outer measuring cylinder (1), the guide component comprises a guide ring (33), a guide sliding block (35), a guide sliding groove (36) and a guide rod (34), the guide ring (33) is fixedly welded on the upper surface of the storage box (5) in an annular structure, the axial line of the guide ring (33) is consistent with the axial line of the outer measuring cylinder (1), the guide rods (34) are fixedly welded on the lower surface of the outer measuring cylinder (1), a plurality of groups of guide rods (34) are distributed on the lower surface of the outer measuring cylinder (1) around the axial line of the outer measuring cylinder (1), the guide sliding blocks (35) are fixedly welded on the lower surface of the guide rods (34), the guide sliding groove (36) is arranged inside the guide ring (33), the lower end of the guide rod (34) movably penetrates through the upper surface of the guide ring (33) and extends into the guide sliding groove (36), the guide sliding block (35) is arranged in the guide sliding groove (36) in a sliding mode.
7. The intelligent sludge settlement ratio detection device of claim 6, wherein: the height of the connecting rod (19) is higher than that of the inner measuring cylinder (2), and the outer diameter of the connecting rod (19) is smaller than the inner diameter of the inner measuring cylinder (2).
8. The intelligent sludge settlement ratio detection device of claim 7, wherein: the outer inlet and outlet groove (3) and the inner inlet and outlet groove (14) are both of long-strip groove body structures, and the outer inlet and outlet groove (3) and the inner inlet and outlet groove (14) are both distributed along the height direction of the outer measuring cylinder (1).
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