CN114414444A - Measuring device for sludge sedimentation ratio and measuring system for sludge volume index - Google Patents
Measuring device for sludge sedimentation ratio and measuring system for sludge volume index Download PDFInfo
- Publication number
- CN114414444A CN114414444A CN202210328334.6A CN202210328334A CN114414444A CN 114414444 A CN114414444 A CN 114414444A CN 202210328334 A CN202210328334 A CN 202210328334A CN 114414444 A CN114414444 A CN 114414444A
- Authority
- CN
- China
- Prior art keywords
- sludge
- measuring
- sedimentation
- cylinder
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 113
- 238000004062 sedimentation Methods 0.000 title claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 239000010865 sewage Substances 0.000 claims abstract description 45
- 230000003287 optical effect Effects 0.000 claims abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000035807 sensation Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000009897 systematic effect Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention provides a measuring device for sludge sedimentation ratio and a measuring system for sludge volume index. The device for measuring the sludge sedimentation ratio comprises: a power mechanism; the connecting part of the push rod is connected with a power mechanism, and the telescopic part of the push rod can stretch under the action of the power mechanism so as to realize sampling and discharging of sewage; the settling cylinder is connected with the bottom surface of the connecting part, the telescopic part and the inner wall of the settling cylinder form a sewage accommodating space, and the volume of the sewage accommodating space is 1000 ml; the optical measuring mechanism is arranged on the outer wall of the sedimentation cylinder and is used for detecting the position of sludge sedimentation; the controller is electrically connected with the power mechanism and the optical measuring mechanism. The device for measuring the sludge sedimentation ratio can automatically measure the SV values of different time points in the sludge sedimentation time in real time, has accurate and systematic measurement result, can store the measurement data of each time point, and provides data support for process adjustment.
Description
Technical Field
The invention relates to the technical field of sludge parameter measurement and sewage treatment, in particular to a device for measuring sludge sedimentation ratio and a system for measuring sludge volume index.
Background
In a conventional sewage biochemical treatment process of activated sludge, it is often necessary to measure a sludge sedimentation ratio SV value of a biological reaction zone. The SV value requires a technician to adopt a 1000ml measuring cylinder to randomly extract 1000ml of sewage in a biological reaction zone, then the measuring cylinder containing the sewage is kept still for 30min, and the amount of the precipitated sludge is horizontally read to obtain the SV30 value.
The SV value is measured manually, a technician needs to track and pay attention on site in real time, if SV values in different time periods need to be measured for many times, a large amount of time needs to be consumed, and the obtained data is inaccurate and is not systematic enough through manual calculation.
Disclosure of Invention
The invention provides a measuring device of sludge settlement ratio and a measuring system of sludge volume index, which are used for solving the defects of inaccurate calculation and system of SV value of sludge settlement ratio in the prior art.
The invention provides a device for measuring the sludge sedimentation ratio, which comprises: a power mechanism; the connecting part of the push rod is connected with the power mechanism, and the telescopic part of the push rod can stretch under the action of the power mechanism so as to realize sampling and discharging of sewage; the sedimentation cylinder is connected with the bottom surface of the connecting part, the telescopic part and the inner wall of the sedimentation cylinder form a sewage accommodating space, and the volume of the sewage accommodating space is 1000 ml; the optical measuring mechanism is arranged on the outer wall of the settling cylinder and is used for detecting the position of sludge settlement; and the controller is electrically connected with the power mechanism and the optical measuring mechanism.
According to the device for measuring the sludge sedimentation ratio, provided by the invention, the telescopic part is provided with the first piston and the second piston which are respectively arranged with the inner wall of the sedimentation cylinder in a sealing manner; wherein, in a first state, the first piston is positioned at the nozzle of the sedimentation cylinder, and the second piston is positioned outside the sedimentation cylinder; and in a second state, the first piston is positioned in the sedimentation cylinder, the second piston is positioned at the cylinder opening of the sedimentation cylinder, and the sewage accommodating space is formed between the first piston and the second piston.
According to the measuring device of the sludge sedimentation ratio provided by the invention, the optical measuring mechanism comprises: the strip-shaped light source is arranged on the outer wall of the sedimentation cylinder and is positioned in the sewage accommodating space, and the length of the strip-shaped light source is equal to the height of the sewage accommodating space; the light sensing elements are arranged on the outer wall of the sedimentation cylinder and are distributed along the height direction of the sewage accommodating space, the light sensing elements are arranged opposite to the strip-shaped light source, and the light sensing elements are electrically connected with the controller; the outer walls of the sedimentation cylinder, which are provided with the strip-shaped light source and the light sensation element, are transparent, and the rest outer walls of the sedimentation cylinder are coated with opaque coatings.
According to the device for measuring the sludge sedimentation ratio, scales are arranged on the outer wall of the sedimentation cylinder, which is provided with the plurality of light sensing elements, and each light sensing element is arranged corresponding to one scale.
According to the device for measuring the sludge sedimentation ratio, the inner diameter of the sedimentation cylinder is equal to that of a measuring cylinder with the volume of 1000ml, and the height between the first piston and the second piston is equal to that of the measuring cylinder with the volume of 1000 ml.
According to the device for measuring the sludge sedimentation ratio, provided by the invention, the first piston and the second piston are made of rubber or plastic.
According to the device for measuring the sludge settlement ratio, provided by the invention, the light sensing element is a photoresistor, a photoelectric coupler or a photoelectric switch.
According to the device for measuring the sludge settlement ratio, provided by the invention, the controller is provided with a display screen, and the display screen is used for displaying the working state of the push rod.
The invention also provides a system for measuring the sludge volume index, which comprises: the device comprises a sludge concentration detection device and the device for measuring the sludge sedimentation ratio, wherein the sludge concentration detection device is electrically connected with the device for measuring the sludge sedimentation ratio.
According to the device for measuring the sludge sedimentation ratio, the power mechanism, the push rod, the sedimentation cylinder, the optical measuring mechanism and the controller are arranged, SV values of different time points in the sedimentation duration of sludge can be automatically measured in real time, the measuring result is accurate and systematic, the measured data of each time point can be stored and drawn into a historical curve of SV value data, and data support is provided for process adjustment. Meanwhile, the device for measuring the sludge settlement ratio saves labor and improves the measurement efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of a water intake or discharge structure of a device for measuring a sludge sedimentation ratio according to the present invention;
FIG. 2 is a schematic structural diagram of a measuring device for sludge sedimentation ratio provided by the present invention;
reference numerals:
110: a power mechanism; 121: a connecting portion; 122: a telescopic part; 123: a first piston; 124: a second piston; 130: a settling cylinder; 141: a ribbon light source; 142: a light sensing element; 200: and a controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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 features of the terms first and second in the description and in the claims of the invention may explicitly or implicitly include one or more of these features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The measuring device of the sludge settling ratio and the measuring system of the sludge volume index according to the present invention will be described with reference to fig. 1 and 2.
As shown in fig. 1 and 2, in one embodiment of the present invention, the apparatus for measuring a sludge sedimentation ratio includes: a power mechanism 110, a push rod, a settling cylinder 130, an optical measuring mechanism and a controller 200. The power mechanism 110 is electrically connected to the controller 200, the connecting portion 121 of the push rod is connected to the power mechanism 110, and the telescopic portion 122 of the push rod can be extended and retracted under the action of the power mechanism 110, so as to realize sampling and discharging of sewage. The settling cylinder 130 is connected with the bottom surface of the connecting part 121 of the push rod, the telescopic part 122 of the push rod and the inner wall of the settling cylinder 130 form a sewage accommodating space, and the volume of the sewage accommodating space is 1000 ml. The optical measurement mechanism is arranged on the outer wall of the sedimentation cylinder 130, the optical measurement mechanism is used for detecting the position of sludge sedimentation, and the optical measurement mechanism is electrically connected with the controller 200.
Specifically, the power mechanism 110 provides power for the extension and retraction of the push rod, and the controller 200 can control the power mechanism 110 to rotate forward, backward, or stop, and further control the extension and retraction of the push rod and the stop. The controller 200 is also used to set sampling parameters including the measurement time point, the sampling times, and the settling time period of the sludge. The push rod comprises a connecting part 121 and a telescopic part 122 which are connected, the connecting part 121 is connected with the power mechanism 110, the telescopic part 122 is arranged in the sedimentation cylinder 130, the telescopic part 122 can stretch and retract along the sedimentation cylinder 130 under the action of the power mechanism 110, and when the telescopic part 122 stretches, the telescopic part can stretch to the outside of the sedimentation cylinder 130, so that sewage sampling or discharging is realized. When the telescopic part 122 is contracted into the settling cylinder 130, a sewage accommodating space is formed by the telescopic part 122 and the inner wall of the settling cylinder 130 for storing sewage.
In this embodiment, the volume of the sewage containing space is 1000ml, when the sewage containing space is filled with sewage, the sampled sewage is precipitated according to the precipitation duration of the sludge in the controller 200, and as the sludge in the sewage is precipitated continuously, the light emitted by the band-shaped light source 141 of the optical measuring mechanism irradiates the light sensing element 142 of the optical measuring mechanism through the precipitated water, the light sensing element 142 is triggered to convert the light signal into a recordable electric signal, the recordable electric signal is sent to the controller 200, and the controller 200 records the recordable electric signal and stores the recordable electric signal. Specifically, in the sludge settling process, the sludge gradually settles along with the passage of time, the light sensing element 142 slowly receives the light source from top to bottom, then converts the light signal of the penetrating water into the electric signal and sends the electric signal to the controller 200, and the controller 200 records the settling position of the sludge in the sewage according to the received electric signal, so as to obtain the SV value of the sludge settling ratio.
It can be understood that: as the light sensing element 142 slowly receives the light source from top to bottom, the settling amount of the sludge is different at different settling time points, and thus the sludge settling ratio at different time points within the settling time period of the sludge can be measured.
Further, in the present embodiment, the power mechanism 110 may be a DC5V, a DC12V, a DC24V DC motor or a pneumatic valve, which can rotate forward or backward to extend or retract the telescopic portion 122 of the push rod. It should be noted that: the power mechanism 110 and the push rod are integrally matched mechanical devices, which can convert the rotation motion of the power mechanism 110 into the linear motion of the push rod, and the matching motion of the power mechanism 110 and the push rod belongs to the prior art, and is not described herein again.
Further, in the present embodiment, the push rod is made of stainless steel or aluminum, and both the push rod and the controller 200 have waterproof and corrosion-proof properties.
Further, in this embodiment, the settling cylinder 130 is a cylinder structure, two ends of the settling cylinder 130 are open, and the inner diameter of the settling cylinder 130 is equal to that of a measuring cylinder with a volume of 1000 ml. The settling cylinder 130 may be made of quartz or the like.
The device for measuring the sludge sedimentation ratio provided by the embodiment of the invention can automatically measure the SV values of different time points in the sedimentation time of the sludge in real time by arranging the power mechanism, the push rod, the sedimentation cylinder, the optical measuring mechanism and the controller, has accurate and systematic measuring results, can store the measured data of each time point, draws a historical curve of SV value data, and provides data support for process adjustment. Meanwhile, the device for measuring the sludge settlement ratio saves labor and improves the measurement efficiency.
Further, in an embodiment of the present invention, the telescopic part 122 is provided with a first piston 123 and a second piston 124, and the first piston 123 and the second piston 124 are respectively disposed to be sealed with the inner wall of the settling cylinder 130. In the first state, that is, when sewage is sampled or discharged, as shown in fig. 1, the controller 200 controls the power mechanism 110 to rotate forward, the power mechanism 110 drives the telescopic portion 122 of the push rod to extend, the telescopic portion 122 drives the first piston 123 and the second piston 124 to move downward along the inner wall of the settling cylinder 130, the telescopic portion 122 drives the second piston 124 to extend out of the settling cylinder 130 and extend into the sewage, and the first piston 123 is located inside the settling cylinder 130 and located at the opening of the settling cylinder 130.
At this time, the controller 200 controls the power mechanism 110 to rotate reversely, the telescopic part 122 of the push rod contracts, the telescopic part 122 drives the first piston 123 and the second piston 124 to move upwards along the wall of the settling cylinder 130, so as to draw the sewage into the settling cylinder 130, and when the second piston 124 is located at the opening of the settling cylinder 130, the controller 200 controls the power mechanism 110 to stop operating. This is the second state, i.e., the state when the measurement device of the sludge sedimentation ratio measures the SV value, which is shown in fig. 2.
The diameters of the first piston 123 and the second piston 124 are equal to the inner diameter of the settling cylinder 130 to form a seal with the inner wall of the settling cylinder 130, and the distance between the first piston 123 and the second piston 124 is equal to the length of a measuring cylinder with a volume of 1000ml, so that the volume of a sewage containing space formed by the first piston 123, the second piston 124 and the inner wall of the settling cylinder 130 is exactly equal to 1000 ml.
Further, in this embodiment, the first piston 123 and the second piston 124 may wipe the inner wall of the settling cylinder 130 during the movement process, so that the inner wall of the settling cylinder 130 is kept clean and light can pass through the inner wall. Further, the first piston 123 and the second piston 124 may be made of rubber, plastic, or the like.
As shown in fig. 1 and 2, in one embodiment of the present invention, an optical measuring mechanism includes: a strip-shaped light source 141 and a plurality of light-sensing elements 142. The setting of banded light source 141 is at the outer wall of a section of thick bamboo 130 that subsides to be located sewage accommodation space, banded light source 141's length equals with sewage accommodation space's height, and light sense element 142 sets up the outer wall at a section of thick bamboo 130 that subsides to arrange along sewage accommodation space's direction of height, and a plurality of light sense elements 142 set up with banded light source 141 relatively, and simultaneously, a plurality of light sense elements 142 and controller 200 electric connection.
Specifically, the outer walls of the sedimentation cylinder 130, which are provided with the band-shaped light source 141 and the light sensing element 142, are transparent, so that light emitted from the band-shaped light source 141 can be irradiated onto the light sensing element 142 through the sedimentation cylinder 130. The remaining outer wall of the settling drum 130 is coated with a light-tight coating.
The sampled sewage is precipitated according to the precipitation duration of the sludge arranged in the controller 200, along with the continuous precipitation of the sludge in the sewage, the illumination emitted by the strip-shaped light source 141 irradiates the light sensing element 142 through the precipitated water, the light sensing element 142 is triggered to convert the optical signal into a recordable electric signal, the recordable electric signal is sent to the controller 200, and the controller 200 records the recordable electric signal and stores the recordable electric signal. Specifically, in the sludge settling process, the sludge gradually settles along with the passage of time, the light sensing element 142 slowly receives the light source from top to bottom, then converts the light signal of the penetrating water into the electric signal and sends the electric signal to the controller 200, and the controller 200 records the settling position of the sludge in the sewage according to the received electric signal, so as to obtain the SV value of the sludge settling ratio.
Furthermore, scales are arranged on the outer wall of the settling cylinder 130, which is provided with the light sensing elements 142, each light sensing element 142 corresponds to one scale, the controller 200 can further determine the settling position of the sludge according to the position of the light sensing element 142 which sends an electric signal, so as to obtain the real-time sludge settling ratio of each settling time point within the settling time of the sludge, further obtain a plurality of sludge settling ratios within one measurement period, and the controller 200 records the sludge settling ratio of each time point within the settling time of the sludge, and forms an SV value curve.
For example, if the preset sludge settling time is 30 minutes, after 2 minutes, the sludge starts settling, at this time, the light sensing element 142 receiving the light signal converts the light signal into an electrical signal and sends the electrical signal to the controller 200, and the controller 200 records the scale position of the light sensing element 142, thereby determining the SV value at 2 minutes of settling. In turn, the controller 200 may record the SV value at each time point during the settling period of the sludge.
After a measuring period is completed, the controller 200 controls the power mechanism 110 to act again, the power mechanism 110 rotates forward to drive the telescopic part 122 of the push rod to extend, the telescopic part 122 extends out of the sedimentation cylinder 130 to discharge sampled sewage, the telescopic part 122 continues to extend, when the first piston 123 reaches the opening of the sedimentation cylinder 130, the controller 200 controls the power mechanism 110 to rotate reversely, the telescopic part 122 of the push rod begins to contract, and sewage is sampled again. When the second piston 124 reaches the mouth of the sedimentation cylinder 130, the controller 200 controls the power mechanism 110 to stop rotating, sludge starts to precipitate, and the sludge sedimentation ratio SV value of the next measurement period is measured.
Further, in an embodiment of the present invention, the strip light source 141 may be an LED lamp, a fluorescent lamp, an infrared generator, or the like. The light sensing element 142 is made of a semiconductor having a light effect, and may be a photo resistor, a photo coupler, a photo switch, or the like.
Further, in an embodiment of the present invention, the controller 200 is provided with a display screen for displaying the working state of the push rod and the SV value curve, and the display screen can also be used for setting the sampling parameters.
The embodiment of the invention also provides a system for measuring the sludge volume index, which comprises: a sludge sedimentation ratio measuring device and a sludge concentration detecting device. The sludge settlement ratio measuring device is electrically connected with the sludge concentration detection device.
Specifically, the sludge concentration detection device is used for detecting a sludge concentration value MLSS of the biological reaction zone, the controller 200 of the sludge settlement ratio detection device is electrically connected with the sludge concentration detection device, and the controller 200 is used for setting sampling parameters and calculating a sludge volume index SVI value according to data measured by the sludge settlement ratio measurement device and the sludge concentration detection device.
Specifically, before the start of the measurement work, sampling parameters including a measurement time point, the number of times of sampling, and a settling time period of sludge are set on the controller 200. In this embodiment, the settling time of the sludge is 30 minutes, and the measuring time point and the sampling times can be set according to specific working requirements. Multiple SV values can be measured for one measurement period per sample. The sludge settlement ratio measuring device converts the detected optical signal into a recordable electric signal and sends the recordable electric signal to the controller 200, and the controller 200 performs recording analysis to form a real-time data curve of the SV value in a measuring period and stores the real-time data curve. The sludge concentration detection device sends the detected sludge concentration value MLSS to the controller 200, the controller 200 calculates a plurality of sludge volume index SVI values in a measurement period according to a plurality of SV values and MLSS values in the measurement period, and draws the plurality of sludge volume index SVI values into an SVI value curve. When the sampling times are multiple times, multiple SVI value curves at different measurement time points can be obtained. Specifically, the calculation formula of the SVI value is: SVI = SV 30/MLSS.
Further, in this embodiment, the controller 200 has a switching value signal command, and can control the start and stop of the sludge sedimentation ratio measuring device and the sludge concentration detecting device, and meanwhile, the controller 200 can also automatically analyze and record feedback data, store the data, and form a real-time data curve. In this embodiment, the main control hardware system of the controller 200 may be a PLC controller or an editable intelligent electronic motherboard.
The system for measuring the sludge volume index provided by the embodiment of the invention can automatically measure the SVI values of different time points in the sludge settling time in real time by setting the sludge settling ratio measuring device and the sludge concentration detecting device, has accurate measuring result and is systematic, and can store the measured data of each time point and draw the data into a historical curve of SVI value data, thereby providing data support for process adjustment. Meanwhile, the system for measuring the sludge volume index saves labor and improves the measurement efficiency.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A measuring device for sludge sedimentation ratio is characterized by comprising:
a power mechanism;
the connecting part of the push rod is connected with the power mechanism, and the telescopic part of the push rod can stretch under the action of the power mechanism so as to realize sampling and discharging of sewage;
the sedimentation cylinder is connected with the bottom surface of the connecting part, the telescopic part and the inner wall of the sedimentation cylinder form a sewage accommodating space, and the volume of the sewage accommodating space is 1000 ml;
the optical measuring mechanism is arranged on the outer wall of the settling cylinder and is used for detecting the position of sludge settlement;
and the controller is electrically connected with the power mechanism and the optical measuring mechanism.
2. The device for measuring the sludge sedimentation ratio according to claim 1, wherein a first piston and a second piston are arranged on the telescopic part, and the first piston and the second piston are respectively arranged in a sealing way with the inner wall of the sedimentation cylinder;
wherein, in a first state, the first piston is positioned at the nozzle of the sedimentation cylinder, and the second piston is positioned outside the sedimentation cylinder;
and in a second state, the first piston is positioned in the sedimentation cylinder, the second piston is positioned at the cylinder opening of the sedimentation cylinder, and the sewage accommodating space is formed between the first piston and the second piston.
3. The apparatus for measuring a sludge sedimentation ratio according to claim 1, wherein the optical measuring mechanism comprises:
the strip-shaped light source is arranged on the outer wall of the sedimentation cylinder and is positioned in the sewage accommodating space, and the length of the strip-shaped light source is equal to the height of the sewage accommodating space;
the light sensing elements are arranged on the outer wall of the sedimentation cylinder and are distributed along the height direction of the sewage accommodating space, the light sensing elements are arranged opposite to the strip-shaped light source, and the light sensing elements are electrically connected with the controller;
the outer walls of the sedimentation cylinder, which are provided with the strip-shaped light source and the light sensation element, are transparent, and the rest outer walls of the sedimentation cylinder are coated with opaque coatings.
4. The device for measuring the sludge sedimentation ratio as claimed in claim 3, wherein the outer wall of the sedimentation cylinder on which the plurality of light-sensitive elements are arranged is provided with a scale, and each light-sensitive element is arranged corresponding to one scale.
5. The apparatus for measuring sludge sedimentation ratio according to claim 2, wherein the inner diameter of the sedimentation cylinder is equal to the inner diameter of a measuring cylinder having a volume of 1000ml, and the height between the first piston and the second piston is equal to the height of the measuring cylinder having a volume of 1000 ml.
6. The apparatus for measuring sludge sedimentation ratio according to claim 2, wherein the first piston and the second piston are made of rubber or plastic.
7. The apparatus for measuring sludge sedimentation ratio according to claim 3, wherein the light-sensitive element is a photoresistor, a photocoupler or a photoswitch.
8. The device for measuring the sludge sedimentation ratio as claimed in claim 1, wherein the controller is provided with a display screen for displaying the operating state of the push rod.
9. A system for measuring a sludge volume index, comprising: a sludge concentration detection device and the device for measuring the sludge sedimentation ratio as claimed in any one of claims 1 to 8, wherein the sludge concentration detection device is electrically connected with the device for measuring the sludge sedimentation ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210328334.6A CN114414444A (en) | 2022-03-31 | 2022-03-31 | Measuring device for sludge sedimentation ratio and measuring system for sludge volume index |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210328334.6A CN114414444A (en) | 2022-03-31 | 2022-03-31 | Measuring device for sludge sedimentation ratio and measuring system for sludge volume index |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114414444A true CN114414444A (en) | 2022-04-29 |
Family
ID=81262728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210328334.6A Pending CN114414444A (en) | 2022-03-31 | 2022-03-31 | Measuring device for sludge sedimentation ratio and measuring system for sludge volume index |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114414444A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205879587U (en) * | 2016-06-29 | 2017-01-11 | 河北健民淀粉糖业有限公司 | Multifunctional sampler |
| CN108645766A (en) * | 2018-06-17 | 2018-10-12 | 江苏赛品环保科技有限公司 | Sludge settling ratio online auto monitoring device |
| CN111982766A (en) * | 2020-09-15 | 2020-11-24 | 北控水务(中国)投资有限公司 | Automatic in-situ detection device and method for sludge settlement ratio |
| CN112146930A (en) * | 2020-10-21 | 2020-12-29 | 西安热工研究院有限公司 | Automatic online sampling sludge settlement ratio measuring device and method |
| CN112964607A (en) * | 2021-02-26 | 2021-06-15 | 重庆国际复合材料股份有限公司 | Settlement observation instrument |
| CN214201089U (en) * | 2021-08-10 | 2021-09-14 | 湖南海鸥环保科技有限公司 | Sludge settlement ratio monitoring device |
| CN114130773A (en) * | 2021-11-24 | 2022-03-04 | 西安西热水务环保有限公司 | Automatic deep cleaning device and method for floc sedimentation ratio measuring device |
-
2022
- 2022-03-31 CN CN202210328334.6A patent/CN114414444A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205879587U (en) * | 2016-06-29 | 2017-01-11 | 河北健民淀粉糖业有限公司 | Multifunctional sampler |
| CN108645766A (en) * | 2018-06-17 | 2018-10-12 | 江苏赛品环保科技有限公司 | Sludge settling ratio online auto monitoring device |
| CN111982766A (en) * | 2020-09-15 | 2020-11-24 | 北控水务(中国)投资有限公司 | Automatic in-situ detection device and method for sludge settlement ratio |
| CN112146930A (en) * | 2020-10-21 | 2020-12-29 | 西安热工研究院有限公司 | Automatic online sampling sludge settlement ratio measuring device and method |
| CN112964607A (en) * | 2021-02-26 | 2021-06-15 | 重庆国际复合材料股份有限公司 | Settlement observation instrument |
| CN214201089U (en) * | 2021-08-10 | 2021-09-14 | 湖南海鸥环保科技有限公司 | Sludge settlement ratio monitoring device |
| CN114130773A (en) * | 2021-11-24 | 2022-03-04 | 西安西热水务环保有限公司 | Automatic deep cleaning device and method for floc sedimentation ratio measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2023098148A1 (en) | Westergren-method-based fully automatic erythrocyte sedimentation rate dynamic analyzer and measurement method | |
| CN114414444A (en) | Measuring device for sludge sedimentation ratio and measuring system for sludge volume index | |
| CN111982766A (en) | Automatic in-situ detection device and method for sludge settlement ratio | |
| CN218179927U (en) | Laser measuring tool for horizontal distance between two points in space | |
| CN1847849A (en) | Real-time body blood viscosity measuring instrument | |
| CN214201089U (en) | Sludge settlement ratio monitoring device | |
| CN220040159U (en) | Sludge sedimentation instrument | |
| US4779462A (en) | Apparatus for the automatic measurement of the apparent density of the mud in a liquid, system for the automatic measurement of the ponsar index of such a mud using the apparatus and process for measuring said index | |
| CN210571847U (en) | Fully automatic dynamic and static sinking device | |
| CN2377535Y (en) | UV vluorescent tester | |
| CN217819885U (en) | Optical method mud layer position measurement tracking equipment | |
| US4834104A (en) | Method and apparatus for measuring specific gravity of a flowing liquid | |
| JP2009222719A (en) | Transparency meter | |
| CN111965076B (en) | Device and method for measuring viscosity of fluid by using magnetic suspension method | |
| CN101813793B (en) | Digital control type pluviometer | |
| CN218726407U (en) | Device for automatically measuring activated sludge sedimentation ratio | |
| CN2597983Y (en) | On line COD water quality measurer | |
| CN216030340U (en) | A sweep sign indicating number knot voice robot for chain store supports | |
| CN201417252Y (en) | Air quality on-line monitoring instrument with automatic calibration performance | |
| CN1400459A (en) | On-line COD water quality testing method | |
| CN114088592B (en) | Automatic correction device and method for floc sedimentation ratio measuring device | |
| CN212301221U (en) | Sludge settlement ratio in-situ automatic detection device | |
| JPS628516Y2 (en) | ||
| CN220366193U (en) | Gantry one-key flash tester | |
| JPH02193219A (en) | Turbidity display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |