CN117147233B - Sewage purification sampling device - Google Patents
Sewage purification sampling device Download PDFInfo
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- CN117147233B CN117147233B CN202311417390.8A CN202311417390A CN117147233B CN 117147233 B CN117147233 B CN 117147233B CN 202311417390 A CN202311417390 A CN 202311417390A CN 117147233 B CN117147233 B CN 117147233B
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- sampling tank
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- water inlet
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- 238000005070 sampling Methods 0.000 title claims abstract description 188
- 239000010865 sewage Substances 0.000 title claims abstract description 33
- 238000000746 purification Methods 0.000 title claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000007789 sealing Methods 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims 8
- 238000005192 partition Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of sewage sampling, in particular to a sewage purifying and sampling device, which comprises a sampling tank, wherein a water inlet cavity and a plurality of collecting cavities are arranged in the sampling tank, the water inlet cavity is communicated with the outside of the sampling tank, the collecting cavities are circumferentially distributed around the sampling tank and can rotate around the central axis of the sampling tank, and each collecting cavity is respectively and selectively communicated or isolated with the water inlet cavity; the volume of the collection chamber is variable and water outside the sampling tank is drawn into the collection chamber as the collection chamber increases in volume and communicates with the water inlet chamber. The collecting chamber is intermittently communicated with the water inlet chamber when rotating around the central axis of the sampling tank, so that water outside the sampling tank can be intermittently pumped, water samples at different moments in the same position can be taken, and inaccurate sampling caused by different pollution degrees of sewage at different moments is avoided. The sampling time interval can be changed by only adjusting the rotation speed of the collecting chamber, repeated sampling is not needed for a plurality of times, and the operation is simple.
Description
Technical Field
The invention relates to the field of sewage sampling, in particular to a sewage purifying and sampling device.
Background
Before purifying sewage, the sewage is sampled and analyzed to analyze the pollution source of the sewage, a proper treatment method is selected for different pollution types, when the sewage is sampled, a representative sampling point is selected, and a proper sampling mode is adopted to sample so as to ensure the representativeness, the randomness and the reliability of the sample. The sewage sampling is divided into instantaneous sampling and mixed sampling, wherein the mixed sampling is to mix multiple sampling together for analysis and measurement, and is suitable for the condition of variable sewage flow. In the prior art, when water samples at different moments are taken, sampling actions need to be repeated at different moments, and the operation is complex.
Disclosure of Invention
The invention provides a sewage purifying and sampling device, which aims to solve the problems of repeated actions and complex operation when water samples are taken at different moments in the prior art.
The invention relates to a sewage purifying and sampling device which adopts the following technical scheme:
the utility model provides a sewage purification sampling device, includes the sampling tank, is provided with water inlet chamber and a plurality of collection cavity in the sampling tank, water inlet chamber and the outside intercommunication of sampling tank, a plurality of collection cavities are around sampling tank circumference distribution and can rotate around the central axis of sampling tank, every collection cavity is the optional water inlet chamber intercommunication or isolated respectively, and the collection cavity is intermittent type when rotating around the central axis of sampling tank and is intake the cavity intercommunication; the volume of the collection chamber is variable and water outside the sampling tank is drawn into the collection chamber as the collection chamber increases in volume and communicates with the water inlet chamber.
Further, a central rod, a fixed plate, a movable plate and a bottom plate are arranged in the sampling tank, the central rod is parallel to the central axis of the sampling tank and is eccentrically arranged relative to the center of the sampling tank, and the central rod can rotate around the axis of the central rod and can be rotatably arranged in the sampling tank around the central axis of the sampling tank; the fixed plates and the movable plates are respectively and alternately distributed around the circumference of the central rod, the fixed plates and the movable plates are telescopic plate structures which can radially extend and retract along the central rod, one end of each fixed plate, which is close to the central rod, is fixedly connected with the central rod, and one end of each fixed plate, which is far away from the central rod, is in sliding sealing with the inner wall of the sampling tank; the movable plate is respectively in sliding seal with the central rod and the inner wall of the sampling tank at the two radial ends of the central rod; the adjacent fixed plates and the adjacent movable plates are in one group, and the inner walls of the fixed plates and the movable plates and the sampling tank of the adjacent two groups define a collecting chamber; the bottom plate is fixed in the center pole, and is located the fixed plate below, and the bottom plate is defined into the water cavity with the bottom of sampling jar, has seted up the water inlet with collecting the cavity intercommunication on the bottom plate.
Further, an elastic piece is arranged between the adjacent fixed plate and the movable plate, and the elastic piece promotes the movable plate to move towards the direction of increasing the volume of the collecting chamber; and a magnetic attraction structure is further arranged between the fixed plate and the movable plate, and the magnetic attraction structure promotes the movable plate and the fixed plate on two sides of the collecting chamber to be close.
Further, each water inlet is provided with a solenoid valve, and the solenoid valve is used for controlling the opening and closing of the water inlet.
Further, a plurality of water outlets are formed in the side wall of the sampling tank, and each water outlet is communicated with one collecting cavity.
Further, a driving assembly is further arranged in the sampling tank, the driving assembly comprises a motor, a center wheel, a planet wheel and a gear ring, the gear ring is fixedly arranged in the sampling tank, the center wheel is rotatably arranged in the sampling tank around the axis of the center wheel, the center wheel and the gear ring are coaxial with the central axis of the sampling tank, and the center wheel is driven by the motor to rotate; the planet wheel is fixedly arranged on the central rod, is positioned between the central wheel and the gear ring, and is meshed with the central wheel and the gear ring respectively.
Further, a through groove communicated with the inside of the sampling tank is formed in the bottom of the sampling tank, a filter screen is fixedly arranged in the through groove, and a bottom plate is attached to the bottom of the sampling tank and defines a water inlet cavity with the filter screen and the inner wall of the through groove; when the bottom plate rotates around the central axis of the sampling tank along with the central rod, the water inlets are sequentially communicated with the water inlet chamber; the filter screen is provided with a through hole communicated with the water inlet chamber.
Further, the filter screen is of a flexible structure, the central rod penetrates through the filter screen, and the central rod drives the filter screen to shake when rotating around the central axis of the sampling tank.
Further, the fixed plate and the movable plate are identical in structure and comprise an outer plate, an inner plate and a spring, the outer plate and the inner plate are in sliding sleeve joint, and the spring is arranged between the outer plate and the inner plate and promotes the outer plate and the inner plate to be mutually far away or enables the outer plate and the inner plate to have a trend of being mutually far away.
Further, the sewage purification sampling device further comprises a shell, a scissor rod structure which can stretch out and draw back along the direction perpendicular to the central axis of the sampling tank is arranged in the shell, the sampling tank can be slidably arranged in the scissor rod structure along the direction of the central axis of the sampling tank, and the sampling tank is connected with the shell through a traction rope.
The beneficial effects of the invention are as follows: the collecting chamber of the sewage purifying and sampling device is intermittently communicated with the water inlet chamber when rotating around the central axis of the sampling tank, so that water outside the sampling tank can be intermittently pumped, water samples at different positions and at different moments can be taken, inaccurate sampling caused by different pollution degrees of sewage at different moments can be avoided, the sampling tank can be moved, water samples at different positions and different moments in a certain area can be taken, and the accuracy of the samples is improved. The sampling time interval can be changed by only adjusting the rotation speed of the collecting chamber, repeated sampling is not needed for a plurality of times, and the operation is simple. And set up a plurality of collection chambers to make collection chamber and intake chamber intercommunication optionally, can suck the water sample of different positions to different collection chambers, avoid the sample to mix.
Further, the filter screen is flexible structure, and the center pole passes the filter screen, drives the filter screen shake when center pole rotates around the central axis of sampling jar, shakes away the impurity that blocks up the filter screen, avoids filter screen and through-hole to block up, influences the sample.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of an embodiment of a sewage purification sampling device according to the present invention.
Fig. 2 is a schematic diagram of the internal structure of a housing of an embodiment of a sewage purification sampling device according to the present invention.
Fig. 3 is a schematic view of a structure of a scissor lever and a structure of a sampling tank in an embodiment of a sewage purifying and sampling device of the present invention.
Fig. 4 is a schematic structural view of a sampling tank in an embodiment of a sewage purification sampling device according to the present invention.
Fig. 5 is a schematic structural view of another view of the sampling tank in an embodiment of the sewage purification sampling device of the present invention.
Fig. 6 is a schematic sectional view of a sampling tank in an embodiment of a sewage purification sampling device according to the present invention.
Fig. 7 is a schematic view showing the structure of the inside of a sampling tank in an embodiment of the sewage purification sampling device of the present invention.
Fig. 8 is a schematic view showing a part of the structure of the inside of a sampling tank in an embodiment of the sewage purification sampling device of the present invention.
Fig. 9 is a schematic sectional view of a sampling tank in an embodiment of a sewage purification sampling device of the present invention.
In the figure: 100. a housing; 110. a scissors fork lever structure; 120. a sleeve; 200. a sampling tank; 201. a water outlet; 202. a partition plate; 203. a first ring groove; 204. a connecting rod; 205. a traction rope; 210. a central rod; 211. a second ring groove; 220. a fixing plate; 221. a second slider; 230. a movable plate; 231. a first slider; 240. a bottom plate; 241. a water inlet; 250. a magnetic attraction structure; 261. a motor; 262. a center wheel; 263. a planet wheel; 264. a gear ring; 265. a top plate; 266. a sealing strip; 270. a filter screen; 271. a through hole; 280. an elastic member.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of a sewage purification sampling device of the present invention, as shown in fig. 1 to 9, includes a sampling tank 200, in which a water inlet chamber and a plurality of collection chambers are provided in the sampling tank 200, the water inlet chamber is communicated with the outside of the sampling tank 200, the plurality of collection chambers are circumferentially distributed around the sampling tank 200 and rotatable around a central axis of the sampling tank 200, each collection chamber is selectively communicated or isolated, and the plurality of collection chambers are intermittently communicated with the water inlet chamber while rotating around the central axis of the sampling tank 200; the volume of the collection chamber is variable and water outside the sampling tank 200 is drawn into the collection chamber as the collection chamber increases in volume and communicates with the water inlet chamber.
When the sampling device is used, one of the collecting chambers is communicated with the water inlet chamber, the collecting chamber is intermittently communicated with the water inlet chamber when rotating around the central axis of the sampling tank 200, water outside the sampling tank 200 can be intermittently pumped, water samples at different moments at the same position can be taken, inaccurate sampling caused by different pollution degrees of sewage at different moments can be avoided, the sampling tank 200 can be moved, water samples at different moments at different positions in a certain area can be taken, and the accuracy of the samples can be increased. The sampling time interval can be changed by only adjusting the rotation speed of the collecting chamber, repeated sampling is not needed for a plurality of times, and the operation is simple. And set up a plurality of collection chambers to make collection chamber and intake chamber intercommunication optionally, can suck the water sample of different positions to different collection chambers, avoid the sample to mix.
In the present embodiment, the center rod 210, the fixed plate 220, the movable plate 230, and the bottom plate 240 are disposed in the sampling tank 200, and the center rod 210 is parallel to the central axis of the sampling tank 200 and is disposed eccentrically with respect to the center of the sampling tank 200, and is rotatably installed in the sampling tank 200 about its own axis and rotatably about the central axis of the sampling tank 200. The plurality of fixed plates 220 and the plurality of movable plates 230 are alternately arranged in sequence around the circumference of the center rod 210, that is, each fixed plate 220 is located between two adjacent movable plates 230, and each movable plate 230 is located between two adjacent fixed plates 220. The fixed plate 220 and the movable plate 230 are telescopic plate structures which can radially extend and retract along the central rod 210, one end of the fixed plate 220, which is close to the central rod 210, is fixedly connected with the central rod 210, and one end of the fixed plate 220, which is far away from the central rod 210, is in sliding sealing with the inner wall of the sampling tank 200; the movable plate 230 is slidably sealed to the center rod 210 and the inner wall of the sampling tank 200 at both ends of the center rod 210 in the radial direction, respectively. The adjacent fixed plates 220 and movable plates 230 are formed in one group, and the fixed plates 220 and the movable plates 230 of the adjacent two groups and the inner wall of the sampling tank 200 define a collection chamber, and the volume of the collection chamber can be changed by moving the movable plates 230 at one side of the collection chamber. The bottom plate 240 is fixed on the central rod 210 and is located below the fixing plate 220, the bottom plate 240 and the bottom of the sampling tank 200 define a water inlet chamber, a plurality of water inlets 241 are formed in the bottom plate 240, each water inlet 241 is communicated with a corresponding collecting chamber, and when the bottom plate 240 rotates around the central axis of the sampling tank 200 along with the central rod 210, the water inlets 241 are sequentially communicated with the water inlet chamber.
In the present embodiment, an elastic member 280 is provided between the adjacent fixed plate 220 and movable plate 230, and the elastic member 280 urges the movable plate 230 to move in a direction to increase the volume of the collection chamber; a magnetic attraction structure 250 is further provided between the fixed plate 220 and the movable plate 230, and the magnetic attraction structure 250 urges the movable plate 230 and the fixed plate 220 at both sides of the collection chamber to approach. Specifically, the elastic member 280 is a tension spring, and is disposed between the fixed plate 220 and the movable plate 230 of the same group, and in some other embodiments, the elastic member 280 may also be a compression spring, and is disposed between the fixed plate 220 and the movable plate 230 of two adjacent groups. The magnetic attraction structure 250 comprises an electromagnet fixedly mounted on the fixed plate 220 and a magnetic block arranged on the movable plate 230, the electromagnet and the magnetic block of the magnetic attraction structure 250 can be respectively arranged on the fixed plate 220 and the movable plate 230 on two sides of the collecting chamber, and the electromagnet is attracted with the magnetic block in an electrified state, so that the movable plate 230 is caused to be close to the fixed plate 220, the volume of the collecting chamber is further reduced, the electromagnet loses magnetism in a power-off state, the movable plate 230 is allowed to be far away from the fixed plate 220 under the action of the elastic piece 280, and the volume of the collecting chamber is further increased.
In this embodiment, each water inlet 241 is provided with a solenoid valve, which is used to control the opening and closing of the water inlet 241, and the solenoid valve can be remotely controlled, so that the operator can remotely control the opening and closing of each water inlet 241 as required.
In this embodiment, the sidewall of the sampling tank 200 is provided with a plurality of water outlets 201, and each water outlet 201 is communicated with one collecting chamber for discharging the water sample collected by the collecting chamber.
In this embodiment, a driving assembly is further disposed in the sampling tank 200, the driving assembly includes a motor 261, a center wheel 262, a planet wheel 263 and a gear ring 264, the gear ring 264 is fixedly installed in the sampling tank 200, the center wheel 262 is rotatably installed in the sampling tank 200 around its own axis, and the center wheel 262 and the gear ring 264 are both coaxial with the central axis of the sampling tank 200, and the center wheel 262 is rotated under the driving of the motor 261; the planet gears 263 are fixedly mounted to the center rod 210, and are located between the center wheel 262 and the ring gear 264, and are meshed with the center wheel 262 and the ring gear 264, respectively. The inside of the sampling tank 200 is also fixedly provided with a partition 202, the partition 202 is positioned above the fixed plate 220 and the movable plate 230, and divides the inside of the sampling tank 200 into two independent spaces, namely a first space and a second space, the motor 261 is fixedly arranged in the first space, and the center rod 210, the fixed plate 220, the movable plate 230 and the bottom plate 240 are positioned in the second space. The center wheel 262 and the ring gear 264 are both disposed at one side of the partition 202 located in the second space, and an output shaft of the motor 261 passes through the partition 202 and is connected with the center wheel 262. The driving assembly further comprises a top plate 265, wherein the top plate 265 is fixedly installed on the central rod 210, is positioned in the second space and is attached to the partition 202; one end of the fixed plate 220 and the movable plate 230, which are close to the top plate 265, are in sliding sealing fit with the top plate 265, and one end of the fixed plate 220 and the movable plate 230, which are close to the bottom plate 240, are in sliding sealing fit with the bottom plate 240. A plurality of sealing strips 266 are disposed between the outer circumferences of the top plate 265 and the bottom plate 240 and the inner wall of the sampling tank 200, and each sealing strip 266 is located at one end of one of the fixed plate 220 or the movable plate 230 close to the top plate 265 or close to the bottom plate 240, for isolating the space defined by the adjacent two fixed plates 220 and movable plates 230, so that the fixed plate 220, the movable plate 230, the inner wall of the sampling tank 200, the top plate 265 and the bottom plate 240 define a sealed collecting chamber. The sealing strips 266 are flexible or telescoping so that the sealing strips 266 maintain a sealing effect as the top plate 265 and bottom plate 240 rotate with the center rod 210.
In this embodiment, a through groove communicated with the inside of the sampling tank 200 is formed in the bottom of the sampling tank 200, a filter screen 270 is fixedly installed in the through groove, and a bottom plate 240 is attached to the bottom of the sampling tank 200 and defines a water inlet chamber with the filter screen 270 and the inner wall of the through groove; when the bottom plate 240 rotates around the central axis of the sampling tank 200 along with the central rod 210, the plurality of water inlets 241 are sequentially communicated with the through grooves, so that the corresponding collecting chambers are communicated with the water inlet chambers; the water inlet 241 is blocked when rotated to a position of engagement with the bottom of the sampling tank 200, impeding the collection chamber from communicating with the water inlet chamber. The filter screen 270 is provided with a through hole 271 communicated with the water inlet chamber.
In this embodiment, the filter screen 270 is of a flexible structure, the central rod 210 passes through the filter screen 270, and when the central rod 210 rotates around the central axis of the sampling tank 200, the filter screen 270 is driven to shake, so that impurities blocking the filter screen 270 are shaken off, and the filter screen 270 and the through holes 271 are prevented from being blocked, thereby influencing sampling. The motor 261 is a forward and reverse rotation motor, and can drive the central wheel 262 to reciprocally rotate within a certain range, so as to ensure that the collection chamber can be communicated with the water outlet 201 after the sampling is finished, and the motor 261 drives the central rod 210 to positively rotate and overturn one or more whole circles through the central wheel 262 and the planet wheel 263.
In this embodiment, the fixed plate 220 and the movable plate 230 have the same structure, and each of the fixed plate 220 and the movable plate comprises an outer plate, an inner plate and a spring, wherein the outer plate and the inner plate are sleeved in a sliding manner, the spring is arranged between the outer plate and the inner plate and urges the outer plate and the inner plate to be away from each other or causes the outer plate and the inner plate to have a trend of being away from each other, so that two ends of the movable plate 230 are kept in contact with the outer wall of the central rod 210 and the inner wall of the sampling tank 200, and one end of the fixed plate 220 away from the central rod 210 is in contact with the inner wall of the sampling tank 200. The inner wall of the sampling tank 200 is provided with a first annular groove 203, the outer circumference of the central rod 210 is provided with a second annular groove 211, the two ends of the movable plate 230 in the radial direction of the central rod 210 are provided with first sliding blocks 231, and the first sliding blocks 231 at the two ends are respectively abutted with the first annular groove 203 and the second annular groove 211 under the action of springs in the movable plate 230 and can slide in the first annular groove 203 and the second annular groove 211; the fixed plate 220 is provided with the second slider 221 far away from the end of the central rod 210, and the second slider 221 is abutted with the first annular groove 203 under the action of the spring in the fixed plate 220 and can slide in the first annular groove 203, and the first annular groove 203 and the second annular groove 211 are at least provided with two, so that the fixed plate 220 and the movable plate 230 are prevented from tilting when rotating along with the central rod 210.
In this embodiment, a sewage purification sampling device further includes a housing 100, a scissor rod structure 110 that can stretch out and draw back along a direction perpendicular to a central axis of the sampling tank 200 is disposed in the housing 100, the sampling tank 200 can be slidably mounted on the scissor rod structure 110 along a direction of a central axis of the sampling tank 200, specifically, a connecting rod 204 is disposed on top of the sampling tank 200, a sleeve 120 is mounted on the scissor rod structure 110, and the connecting rod 204 extends along a direction of the central axis of the sampling tank 200 and is slidably sleeved with the sleeve 120. The connecting rod 204 is connected with the casing 100 through a traction rope 205, the traction rope 205 can be wound in the casing 100 through a winding mechanism, and the sampling tank 200 is moved to a designated sampling position by loosening or folding the traction rope 205. When the sampling device is used, the shell 100 is firstly unfolded, the scissor rod structure 110 is started to enable the sampling tank 200 to extend out in the horizontal direction, and then the pulling rope 205 is loosened to enable the sampling tank 200 to be vertically placed in a water area to be sampled.
When the sewage purifying and sampling device is used, the sampling tank 200 is vertically downwards placed in a water area to be sampled, the magnetic attraction structure 250 enables the fixed plate 220 and the movable plate 230 on two sides of the collecting chamber to be close to each other in an initial state, the volume of the collecting chamber is in a minimum state, and the elastic piece 280 is in a force storage state; the solenoid valves at the respective water inlets 241 are in a closed state. After the sampling tank 200 reaches a designated sampling place, one of the water inlets 241 is opened, and the magnetic attraction structure 250 at the collecting chamber communicated with the water inlet 241 is in a failure state, so that the movable plate 230 at one side of the collecting chamber has a tendency to move away from the fixed plate 220 at the other side of the collecting chamber under the action of the elastic piece 280, and the motor 261 is started, so that the central rod 210 rotates around the central axis of the sampling tank 200 while rotating around the self axis; the water inlet 241 in an opened state rotates to the upper part of the through groove along with the bottom plate 240, the water inlet 241 enables the water inlet chamber to be communicated with the collecting chamber, and when the movable plate 230 moves to enable the volume of the collecting chamber to be increased, water in the water inlet chamber is pumped into the collecting chamber through the water inlet 241; the water inlet 241 which is in an open state rotates along with the bottom plate 240 to be attached to the bottom of the sampling tank 200, the water inlet 241 is blocked by the bottom of the sampling tank 200, the water inlet chamber is isolated from the collecting chamber, the volume of the collecting chamber is prevented from increasing, and the movable plate 230 is prevented from moving under the action of the elastic piece 280; the bottom plate 240 intermittently communicates the water inlet 241 in an open state with the water inlet chamber and the collection chamber while rotating with the center rod 210 so that the collection chamber intermittently samples. After sampling is completed, the sampling tank 200 is retracted, the water outlet 201 is opened to enable the water sample in the collecting cavity to flow out, and the collecting cavity is restored to the initial state through the magnetic attraction structure 250.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The utility model provides a sewage purification sampling device, includes the sampling tank, its characterized in that:
the sampling tank is internally provided with a water inlet cavity and a plurality of collecting cavities, the water inlet cavity is communicated with the outside of the sampling tank, the collecting cavities are circumferentially distributed around the sampling tank and can rotate around the central axis of the sampling tank, each collecting cavity is respectively and selectively communicated or isolated, and the collecting cavities are intermittently communicated with the water inlet cavity when rotating around the central axis of the sampling tank; the volume of the collecting chamber is variable, and when the volume of the collecting chamber is increased and the collecting chamber is communicated with the water inlet chamber, water outside the sampling tank is pumped into the collecting chamber;
the sampling tank is internally provided with a central rod, a fixed plate, a movable plate and a bottom plate, wherein the central rod is parallel to the central axis of the sampling tank, is eccentrically arranged relative to the center of the sampling tank, can rotate around the axis of the central rod and can be rotatably arranged in the sampling tank around the central axis of the sampling tank; the fixed plates and the movable plates are respectively and alternately distributed around the circumference of the central rod, the fixed plates and the movable plates are telescopic plate structures which can radially extend and retract along the central rod, one end of each fixed plate, which is close to the central rod, is fixedly connected with the central rod, and one end of each fixed plate, which is far away from the central rod, is in sliding sealing with the inner wall of the sampling tank; the movable plate is respectively in sliding seal with the central rod and the inner wall of the sampling tank at the two radial ends of the central rod; the adjacent fixed plates and the adjacent movable plates are in a group, and a collection chamber is defined by the adjacent fixed plates and the adjacent movable plates in the two groups and the inner wall of the sampling tank; the bottom plate is fixed on the central rod and positioned below the fixed plate, the bottom plate and the bottom of the sampling tank define a water inlet chamber, and a water inlet communicated with the collecting chamber is formed in the bottom plate;
the bottom of the sampling tank is provided with a through groove communicated with the inside of the sampling tank, a filter screen is fixedly arranged in the through groove, and the bottom plate is attached to the bottom of the sampling tank and defines a water inlet cavity with the filter screen and the inner wall of the through groove; when the bottom plate rotates around the central axis of the sampling tank along with the central rod, the water inlets are sequentially communicated with the water inlet chamber; the volume of the collecting chamber can be changed by the movement of the fixed plate and the movable plate, and water outside the sampling tank is pumped into the collecting chamber when the volume of the collecting chamber is increased and is communicated with the water inlet chamber.
2. The wastewater purification sampling device of claim 1, wherein: an elastic piece is arranged between the adjacent fixed plate and the movable plate, and the elastic piece promotes the movable plate to move towards the direction of increasing the volume of the collecting chamber; and a magnetic attraction structure is further arranged between the fixed plate and the movable plate, and the magnetic attraction structure promotes the movable plate and the fixed plate on two sides of the collecting chamber to be close.
3. The wastewater purification sampling device of claim 1, wherein: each water inlet is provided with a solenoid valve, and the solenoid valve is used for controlling the opening and closing of the water inlet.
4. The wastewater purification sampling device of claim 1, wherein: the side wall of the sampling tank is provided with a plurality of water outlets, and each water outlet is communicated with one collecting cavity.
5. The wastewater purification sampling device of claim 1, wherein: the sampling tank is internally provided with a driving assembly, the driving assembly comprises a motor, a center wheel, a planet wheel and a gear ring, the gear ring is fixedly arranged in the sampling tank, the center wheel is rotatably arranged in the sampling tank around the axis of the center wheel, the center wheel and the gear ring are coaxial with the central axis of the sampling tank, and the center wheel is driven by the motor to rotate; the planet wheel is fixedly arranged on the central rod, is positioned between the central wheel and the gear ring, and is meshed with the central wheel and the gear ring respectively.
6. The wastewater purification sampling device of claim 1, wherein: the filter screen is provided with a through hole communicated with the water inlet chamber.
7. The wastewater purification sampling device of claim 6, wherein: the filter screen is flexible structure, and the center pole passes the filter screen, drives the filter screen shake when center pole rotates around the central axis of sampling jar.
8. The wastewater purification sampling device of claim 1, wherein: the fixed plate and the movable plate have the same structure and comprise an outer plate, an inner plate and a spring, wherein the outer plate and the inner plate are in sliding sleeve joint, and the spring is arranged between the outer plate and the inner plate and promotes the outer plate and the inner plate to be mutually far away or enables the outer plate and the inner plate to have a trend of being mutually far away.
9. The wastewater purification sampling device of claim 1, wherein: still include the shell, be provided with in the shell and follow the flexible fork rod structure that cuts of perpendicular to sampling tank central axis direction, sampling tank can follow self central axis direction slidable mounting in cut fork rod structure, and sampling tank passes through the haulage rope with the shell and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311417390.8A CN117147233B (en) | 2023-10-30 | 2023-10-30 | Sewage purification sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311417390.8A CN117147233B (en) | 2023-10-30 | 2023-10-30 | Sewage purification sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117147233A CN117147233A (en) | 2023-12-01 |
| CN117147233B true CN117147233B (en) | 2024-02-02 |
Family
ID=88897175
Family Applications (1)
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| CN202311417390.8A Active CN117147233B (en) | 2023-10-30 | 2023-10-30 | Sewage purification sampling device |
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| CN117147233A (en) | 2023-12-01 |
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