CN112798351B - High-precision sampling device for sewage experiment detection of sewage treatment plant - Google Patents
High-precision sampling device for sewage experiment detection of sewage treatment plant Download PDFInfo
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- CN112798351B CN112798351B CN202110114395.8A CN202110114395A CN112798351B CN 112798351 B CN112798351 B CN 112798351B CN 202110114395 A CN202110114395 A CN 202110114395A CN 112798351 B CN112798351 B CN 112798351B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1445—Overpressure, pressurisation at sampling point
Abstract
The invention discloses a high-precision sampling device for sewage experimental detection of a sewage treatment plant, which comprises a sampling device body, wherein an end cover is connected onto the sampling device body, a sampling tube is arranged on one side of the sampling device body, a control valve is connected between the sampling tube and the sampling device body, one side of the sampling device body, which is far away from the end cover, is connected with a positioning mechanism, the positioning mechanism comprises a positioning base, a balancing weight is arranged in the positioning base, a control cavity is formed in one side, which is far away from the balancing weight, of the positioning base, a control box is arranged in the control cavity, and a pressurizing air pump is arranged on one side of the control box. According to the invention, the corresponding positioning mechanism and the sampling mechanism are added to the sewage sampling device, so that water sample collection can be carried out according to the sampling depth, the condition that the collected water sample does not meet the requirements is avoided, the sampling precision of the sewage sampling device is obviously improved, the labor intensity in the sampling process is greatly reduced, and the convenience in the use process of the sewage sampling device is improved.
Description
Technical Field
The invention belongs to the technical field of sampling devices, and particularly relates to a high-precision sampling device for sewage experimental detection of a sewage treatment plant.
Background
Sampling is to extract a part of representative substances from an entire batch of substances of which the quality is to be determined so as to check the quality of the batch of substances or determine the properties of the batch of substances, and is the most common object quality detection data.
Most sewage treatment plant need use sewage sampling device to carry out the ration sampling to the sewage after handling at present, judges the sewage treatment effect through the mode that carries out the detection to sample quality of water, and sewage sampling device mainly comprises several parts such as sampling tank, counter weight, rope, and user's accessible rope is put into the pond that needs the collection with the sampling tank, and the sampling tank dives under the effect of counter weight and samples sewage.
The existing sewage sampling device is lack of a corresponding positioning mechanism and a corresponding sampling mechanism, so that the depth of sampling can not be accurately adopted as required, the condition that the collected water sample is not qualified easily occurs, the precision in the use process of the sewage sampling device is reduced, the labor intensity in the sampling process is increased, and the convenience in the use process of the sewage sampling device is reduced.
Therefore, in order to solve the above technical problems, it is necessary to provide a high-precision sampling device for experimental detection of sewage in a sewage treatment plant.
Disclosure of Invention
The invention aims to provide a high-precision sampling device for sewage experimental detection of a sewage treatment plant, and aims to solve the problem of low sampling precision of the sewage sampling device.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
the utility model provides a sewage treatment plant sewage experiment detects uses high accuracy sampling device, includes the sampling device body, be connected with the end cover on the sampling device body, one side of sampling device body is equipped with the sampling tube, be connected with control flap between sampling tube and the sampling device body, one side that the end cover was kept away from to the sampling device body is connected with positioning mechanism, positioning mechanism is including the location base, be equipped with the balancing weight in the base of location, one side that the balancing weight was kept away from to the base of location is dug there is the control chamber, the control intracavity is equipped with the control box, one side of control box is equipped with the pressure boost air pump, one side that the control box was kept away from to the pressure boost air pump is connected with positioning control mechanism, one side that the sampling tube was kept away from to the sampling device body is connected with sampling mechanism, one side that the sampling mechanism kept away from the sampling device body is connected with filter mechanism.
Further, positioning control mechanism includes the storage water tank, is convenient for increase the dead weight of sampling device body through the mode of adding water in to the storage water tank to be convenient for make the sampling device body sink under the effect of self gravity, one side that the balancing weight was kept away from to the storage water tank is equipped with the inlet tube, and external water of being convenient for pours into the storage water tank into through the inlet tube in, be connected with booster water pump between inlet tube and the storage water tank, be convenient for through the running state of control booster water pump play the control effect to the filling state of rivers in the storage water tank, be convenient for according to the difference of detecting the project, play the control effect to the position of sinking of sampling device body through the water yield that the adjustment got into in the storage water tank, improved the precision that the sampling device body carried out water sample collection.
Furthermore, a communicating air pipe is connected between the pressurization air pump and the water storage tank, the communicating air pipe plays a role in communicating the pressurization air pump with the water storage tank, the pressurization air pump can conveniently inflate the water storage tank through the communicating air pipe, so that the water in the water storage tank can be conveniently discharged, the self weight of the sampling device body can be kept unchanged when the water sample is collected through the mode of discharging the water in the water storage tank, the situation that the water sample of the sampling device body is increased and sinks in the sampling process is avoided, the precision of collecting the water sample at a fixed depth is improved, one side of the pressurization air pump, which is far away from the communicating air pipe, is connected with an inflation pipeline, the inflation pipeline plays a role in communicating the sampling device body and the pressurization air pump, so that the gas in the sampling device body can be conveniently discharged, the water sample can conveniently enter the sampling device body, and the efficiency of collecting the water sample by the sampling device body is improved, the sampling device body is provided with an installation avoiding groove matched with the inflation pipeline in a chiseling mode, the installation avoiding groove is formed in the sampling device body, the inflation pipeline is convenient to install and fix, meanwhile, the sampling device body can protect the inflation pipeline, and stability of the inflation pipeline in the using process is improved.
Furthermore, one side of the water storage tank, which is far away from the water inlet pipe, is provided with a drainage pipeline, so that water in the water storage tank can be drained through the drainage pipeline conveniently, the sampling device body can be kept at a fixed depth conveniently, meanwhile, the convenience of recovering and stretching the sampling device body is improved in a mode that water in the water storage tank can be drained through the drainage pipeline, the labor intensity in the water sample collection process is reduced, an electromagnetic valve is connected between the drainage pipeline and the water storage tank, the communication state of the drainage pipeline is controlled conveniently through the electromagnetic valve, the drainage of the water in the water storage tank is controlled conveniently, the stability of the water storage tank in the using process is improved, drainage holes matched with the drainage pipeline are drilled on the positioning base, and the drainage pipeline can be installed and fixed conveniently through the drilling of the drainage holes.
Furthermore, the sampling mechanism comprises a sampling fixed block, the sampling pipeline and the communicating pipeline are conveniently and fixedly supported by the sampling fixed block, and the communicating state of the sampling pipeline is conveniently controlled correspondingly, the sampling pipeline is arranged in the sampling fixed block and is used for communicating the communicating pipeline, an external water sample can conveniently enter the sampling device body through the sampling pipeline, and the communicating state of the sampling pipeline is conveniently controlled, so that the sampling state of the sampling device body is controlled, the communicating pipeline is connected between the sampling pipeline and the sampling device body and is used for communicating the sampling pipeline with the sampling device body, the external water sample can conveniently enter the sampling device body through the communicating pipeline, a flow sensor is connected in the communicating pipeline, and the flow sensor is used for monitoring whether water flow in the communicating pipeline passes through or not, the water discharge state of the water storage tank is controlled conveniently and correspondingly according to the monitoring result of the flow sensor, and the stability of the sampling device body in the using process is improved.
Furthermore, a plugging floating ball is arranged on one side of the sampling pipeline, which is far away from the positioning base, so that the communication state of the sampling pipeline can be controlled by the mutual matching of the plugging floating ball and the auxiliary plugging plate, meanwhile, according to the principle that the acting force of the plugging floating ball is different under different water pressures, the sampling precision of the sampling device body is improved by the mutual matching of the plugging floating ball and the auxiliary plugging plate, a sampling control hole matched with the plugging floating ball is formed in the sampling pipeline, so that the interaction of the plugging floating ball and the sampling pipeline can seal the sampling pipeline, the sampling pipeline is connected with the auxiliary plugging plate, the auxiliary plugging plate is matched with the plugging floating ball, so that the communication state of the sampling pipeline can be controlled by the auxiliary plugging floating ball of the auxiliary plugging plate, a compression adjusting plate is arranged on one side of the floating ball plugging, which is far away from the auxiliary plugging plate, the sampling pipeline is convenient to seal through the interaction of the compression spring and the plugging floating ball, and meanwhile, the external water pressure which can be borne by the plugging floating ball is convenient to regulate and control through regulating the compression state of the compression spring.
Further, one side that compression spring was kept away from to the compression regulating plate is connected with the screw thread pivot, is convenient for play fixed stay and position control's effect to the compression regulating plate through the screw thread pivot, be connected with the screw thread sleeve between screw thread pivot and the sampling fixed block, be convenient for play fixed stay and spacing effect through the screw thread sleeve to the screw thread pivot, simultaneously accessible screw thread sleeve and screw thread pivot mutually support for the screw thread pivot can carry out position control through rotatory mode under screw thread sleeve's effect, the one end that the screw thread pivot is located the sampling fixed block outside is connected with adjust knob, and the user of being convenient for controls the rotation state of screw thread pivot through the mode of rotatory adjust knob, has improved the convenience of adjusting the screw thread pivot.
Furthermore, the supercharging air pump, the supercharging water pump, the electromagnetic valve and the flow sensor are all electrically connected with the control box, the supercharging air pump is electrically connected with the control box, the operation state of the supercharging air pump is conveniently controlled by the control box, so that the inflation and drainage state in the water storage tank is conveniently controlled, the supercharging water pump and the electromagnetic valve are electrically connected with the control box, the operation state of the supercharging water pump is conveniently controlled by the control box, the water injection process of the water storage tank is controlled, meanwhile, the communication state of the drainage pipeline is controlled by controlling the opening and closing state of the electromagnetic valve, so that the drainage of water flow in the water storage tank is controlled, the flow sensor is electrically connected with the control box, so that whether water flow passes through the communication pipeline or not is conveniently monitored by the flow sensor, be convenient for transmit corresponding control signal to the control box according to flow sensor's monitoring result, improved the reliability that the sampling device body carries out water sample collection in-process.
Further, filtering mechanism includes the connecting tube, is convenient for play the effect of connecting the sampling pipeline through setting up the connecting tube, and the connecting tube plays the effect of fixed stay for the filter screen simultaneously, the connecting tube in-connection has a pair of filter screen, is convenient for play filterable effect through the rivers of filter screen in to getting into the sampling pipeline, avoids the sampling device body sampling process the condition that the sampling pipeline blockked up to appear, has reduced the influence that impurity caused the water sample, has improved the sampling precision of sampling device body, and is a pair of be connected with the support pivot between the filter screen, the support pivot runs through the filter screen setting, is convenient for play the effect of fixed stay to the drive wheel through the support pivot.
Furthermore, the supporting rotating shaft is connected with a driving wheel, the driving wheel can rotate under the action of external water flow, the supporting rotating shaft is driven to rotate through the rotation of the driving wheel conveniently, meanwhile, the speed of the external water flow entering the sampling pipeline is improved through the rotation of the driving wheel, the sampling efficiency of the sampling device body is improved, a driving drain hole matched with the driving wheel is formed in the connecting pipeline in a chiseling mode, the external water flow can flow along a preset track through the drain hole conveniently through the chiseling drain hole, the driving wheel is driven through the water flow conveniently, and one side, far away from the filter screen, of the supporting rotating shaft is connected with a plurality of impurity removing blades.
Compared with the prior art, the invention has the following advantages:
according to the invention, by adding the corresponding positioning mechanism and the corresponding sampling mechanism to the sewage sampling device, water sample collection can be carried out according to the sampling depth, the condition that the collected water sample does not meet the requirement is avoided, the sampling precision of the sewage sampling device is obviously improved, the labor intensity in the sampling process is greatly reduced, and the convenience in the use process of the sewage sampling device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a side sectional view of a high-precision sampling device for sewage experimental detection of a sewage treatment plant according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure A shown in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a structure at B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure at C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a structure D shown in FIG. 1 according to an embodiment of the present invention;
FIG. 6 is a first front sectional view of a high-precision sampling device for testing sewage from a sewage treatment plant according to an embodiment of the present invention;
FIG. 7 is a second front sectional view of a high-precision sampling device for testing wastewater from a wastewater treatment plant according to an embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating a structure E shown in FIG. 7 according to an embodiment of the present invention;
FIG. 9 is a top cross-sectional view of a high-precision sampling device for experimental detection of sewage from a sewage treatment plant according to an embodiment of the present invention;
fig. 10 is a perspective view of a high-precision sampling device for experimental detection of sewage from a sewage treatment plant according to an embodiment of the present invention.
In the figure: 1. the sampling device comprises a sampling device body, 101, an end cover, 102, a sampling pipe, 103, a control valve, 2, a positioning mechanism, 201, a positioning base, 202, a balancing weight, 203, a control box, 204, a booster air pump, 205, a positioning control mechanism, 206, a water storage tank, 207, a water inlet pipe, 208, a booster water pump, 209, a communication air pipe, 210, an air inflation pipeline, 211, a water drainage pipeline, 212, an electromagnetic valve, 3, a sampling mechanism, 301, a sampling fixed block, 302, a sampling pipeline, 303, a communication pipeline, 304, a flow sensor, 305, a blocking floating ball, 306, an auxiliary blocking plate, 307, a compression adjusting plate, 308, a compression spring, 309, a threaded rotating shaft, 310, a threaded sleeve, 311, an adjusting knob, 4, a filtering mechanism, 401, a connecting pipeline, 402, a filter screen, 403, a supporting rotating shaft, 404, a driving wheel, 405, an impurity removing blade, 5, a filtering sealing mechanism, 501 and a supporting floating plate, 502. The auxiliary filter screen 503, the movable connecting block 504, the movable control rod 505, the storage oil cylinder 506, the communication oil pipe 507, the plugging control oil cylinder 508, the movable plugging plate 509 and the auxiliary sealing plate.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
The invention discloses a high-precision sampling device for sewage experimental detection of a sewage treatment plant, which comprises a sampling device body 1, wherein an end cover 101 is connected on the sampling device body 1, a sampling tube 102 is arranged on one side of the sampling device body 1, a control valve 103 is connected between the sampling tube 102 and the sampling device body 1, a positioning mechanism 2 is connected on one side of the sampling device body 1, which is far away from the end cover 101, so that the sampling device body 1 can be positioned at a sampling position through the positioning mechanism 2, the precision of the sampling device body 1 in the sampling process is improved, the positioning mechanism 2 comprises a positioning base 201, the positioning base 201 can be used for fixing and supporting a balancing weight 202, a balancing weight 202 is arranged in the positioning base 201, the self weight of the sampling device body 1 can be improved through the balancing weight 202, and the sampling device body 1 can sink under the action of the balancing weight 202, the convenience that sampling device body 1 sampled is improved, and accessible balancing weight 202 plays the balancing act to sampling device body 1 simultaneously, has improved the stability in the 1 use of sampling device body, and the user can carry out corresponding adjustment to balancing weight 202 according to the sampling depth and change.
Referring to fig. 1-3, a control cavity is cut on one side of the positioning base 201 away from the counterweight block 202, the control box 203 is conveniently fixed by cutting the control cavity, meanwhile, the control box 203 is protected by the positioning base 201, the control box 203 is prevented from being damaged by external water flow, the control cavity is internally provided with the control box 203, the sampling state of the sampling device body 1 is conveniently controlled by the control box 203, the reliability of the sampling device body 1 in the sampling process is improved, one side of the control box 203 is provided with the pressurization air pump 204, the water storage tank 206 is conveniently filled with air by the pressurization air pump 204, so that the water flow discharge state in the water storage tank 206 is conveniently controlled, one side of the pressurization air pump 204 away from the control box 203 is connected with the positioning control mechanism 205, so that the gravity of the sampling device body 1 is conveniently controlled by the positioning control mechanism 205, thereby be convenient for adjust the sampling depth of sampling device body 1, the precision of sampling device body 1 and carrying out the sampling has been improved, one side that sampling device body 1 kept away from sampling tube 102 is connected with sampling mechanism 3, be convenient for control the sampling state of sampling device body 1 through sampling mechanism 3, one side that sampling mechanism 3 kept away from sampling device body 1 is connected with filtering mechanism 4, be convenient for play filterable effect to the water sample through filtering mechanism 4, the influence that impurity caused the water sample has been reduced.
Wherein, this internal filtration sealing mechanism 5 that is equipped with of sampling device, be convenient for play further filterable effect to the rivers that get into in the sampling device body 1 through filtering sealing mechanism 5, the risk that external impurity got into sampling device body 1 has been reduced, it includes support kickboard 501 to filter sealing mechanism 5, be convenient for play the effect of fixed stay to supplementary filter screen 502 through supporting kickboard 501, be convenient for simultaneously carry out the mode of corresponding change to the connected state of intercommunication pipeline 303 along with the change of liquid level altitude in the sampling device body through supporting kickboard 501 and play the control action, the both sides of supporting kickboard 501 all are connected with supplementary filter screen 502, be convenient for carry out supplementary filtration to the water sample through supplementary filter screen 502, the influence that impurity caused to follow-up water sample detection has been reduced.
Referring to fig. 4-9, the two sides of the supporting floating plate 501 far from the auxiliary filter screen 502 are both connected with a movable connecting block 503, so that the supporting floating plate 501 is supported and limited by the movable connecting block 503, and at the same time, the communication state of the communication pipeline 303 is controlled by the way that the movable connecting block 503 moves along with the movement of the supporting floating plate 501, a movable avoiding groove matched with the movable connecting block 503 is drilled on the sampling device body 1, so that the movable connecting block 503 correspondingly moves along the movable avoiding groove, so that the movable control rod 504 is controlled, a movable control rod 504 is connected to one side of the movable connecting block 503 far from the sampling device body 1, so that a sealed control cavity is formed by the mutual matching of the movable control rod 504 and the movable connecting block 503, and the pressure oil in the storage oil cylinder 505 is squeezed by the movement of the movable control rod 504, thereby facilitating movement control of the moving closure plate 508.
Referring to fig. 4-9, a storage oil cylinder 505 is disposed outside the mobile control rod 504, so as to facilitate a limiting support effect on the mobile control rod 504 and a storage of pressure oil, the storage oil cylinder 505 is filled with pressure oil, so as to facilitate a blocking of the communication pipeline 303 by a mode that the pressure oil generates an acting force on the mobile blocking plate 508, and a communication oil pipe 506 is connected to a side of the storage oil cylinder 505 away from the mobile control rod 504, so as to facilitate a delivery of the pressure oil in the storage oil cylinder 505.
Referring to fig. 4-9, one end of the communication oil pipe 506 away from the storage cylinder 505 is connected with a blocking control cylinder 507, so that the moving blocking plate 508 can be supported and limited by the blocking control cylinder 507, meanwhile, a sealing control space is provided for pressure oil, a movable plugging plate 508 is arranged in the plugging control oil cylinder 507, so that the communicating pipeline 303 can be conveniently plugged by the movement of the movable plugging plate 508, an auxiliary sealing plate 509 is arranged on one side of the movable plugging plate 508, which is far away from the plugging control oil cylinder 507, the auxiliary sealing plate 509 is matched with the movable plugging plate 508, so that the communicating pipeline 303 can be conveniently plugged by the mutual matching of the movable plugging plate 508 and the auxiliary sealing plate 509, and the sampling device body 1 is prevented from being reset, the condition that water flow with different external depths enters the sampling device body 1 through the communication pipeline 303 improves the sampling precision of the sampling device body 1.
Referring to fig. 1-3, the positioning control mechanism 205 includes a water storage tank 206, which is convenient for increasing the self weight of the sampling device body 1 by adding water into the water storage tank 206, thereby facilitating the sampling device body 1 to sink under the action of self weight, the water storage tank 206 is provided with a water inlet pipe 207 on the side away from the counterweight block 202, which is convenient for external water to be injected into the water storage tank 206 through the water inlet pipe 207, a booster water pump 208 is connected between the water inlet pipe 207 and the water storage tank 206, which is convenient for controlling the filling state of water flow in the water storage tank 206 by controlling the running state of the booster water pump 208, which is convenient for controlling the sinking position of the sampling device body 1 according to different detection items, and improving the precision of collecting water sample sampling device body 1.
Referring to fig. 1-3, be connected with between pressurization air pump 204 and the storage water tank 206 and communicate trachea 209, intercommunication trachea 209 plays the effect of intercommunication pressurization air pump 204 and storage water tank 206, it aerifys to the storage water tank 206 in through intercommunication trachea 209 to be convenient for pressurization air pump 204, thereby be convenient for discharge the water in the storage water tank 206, through the mode of discharging the storage water tank 206 internal water, make sampling device body 1 keep the dead weight unchangeable when carrying out water sample collection, the condition that the increase of the sampling device body 1 water sample appears sinking in avoiding the sampling process, the precision of carrying out water sample collection to the fixed depth has been improved.
Referring to fig. 1-3, one side of the pressurization air pump 204, which is far away from the communication air pipe 209, is connected with an inflation pipeline 210, the inflation pipeline 210 plays a role in communicating the sampling device body 1 with the pressurization air pump 204, gas in the sampling device body 1 is convenient to discharge, thereby being convenient for a water sample to enter the sampling device body 1, the efficiency of the sampling device body 1 in water sample collection is improved, an installation avoiding groove matched with the inflation pipeline 210 is chiseled in the sampling device body 1, the installation avoiding groove is convenient for installing and fixing the inflation pipeline 210, meanwhile, the sampling device body 1 can play a role in protecting the inflation pipeline 210, and the stability of the inflation pipeline 210 in the using process is improved.
Referring to fig. 1 to 3, a water discharge pipe 211 is provided at a side of the water storage tank 206 away from the water inlet pipe 207, so that water in the water storage tank 206 is discharged through the water discharge pipe 211, thereby being convenient for keeping the sampling device body 1 at a fixed depth, improving the convenience of recovering and stretching the sampling device body 1 in a mode of discharging water in the water storage tank 206 through the drainage pipeline 211, reducing the labor intensity in the process of collecting water samples, being convenient for controlling the communication state of the drainage pipeline 211 through the electromagnetic valve 212 as the electromagnetic valve 212 is connected between the drainage pipeline 211 and the water storage tank 206, therefore, the water in the water storage tank 206 can be conveniently discharged, the stability of the water storage tank 206 in the using process is improved, a drain hole matched with the drainage pipeline 211 is formed in the positioning base 201 in a chiseled mode, and the drainage pipeline 211 can be conveniently installed and fixed through the chiseled drain hole.
Referring to fig. 1-4, the sampling mechanism 3 includes a sampling fixing block 301, which facilitates the sampling fixing block 301 to fixedly support the sampling pipe 302 and the communicating pipe 303, and simultaneously facilitates the communicating state of the sampling pipe 302 to be correspondingly controlled, the sampling fixing block 301 is provided with the sampling pipe 302 therein, the sampling pipe 302 serves to communicate with the communicating pipe 303, so that an external water sample can conveniently enter the sampling device body 1 through the sampling pipe 302, and simultaneously the communicating state of the sampling pipe 302 can be conveniently controlled, thereby controlling the sampling state of the sampling device body 1, the communicating pipe 303 is connected between the sampling pipe 302 and the sampling device body 1, the communicating pipe 303 serves to communicate the sampling pipe 302 with the sampling device body 1, so that the external water sample can conveniently enter the sampling device body 1 through the communicating pipe 303, the flow sensor 304 is connected in the communicating pipeline 303, so that whether water flows through the communicating pipeline 303 or not can be monitored through the flow sensor 304, the drainage state of the water storage tank 206 can be controlled correspondingly according to the monitoring result of the flow sensor 304, and the stability of the sampling device body 1 in the use process is improved.
Referring to fig. 1-4, a blocking floating ball 305 is disposed on a side of the sampling pipe 302 away from the positioning base 201, so as to control the communication state of the sampling pipe 302 by the cooperation of the blocking floating ball 305 and the auxiliary blocking plate 306, meanwhile, according to the principle that the acting forces of different water pressures on the plugging floating ball 305 are different, the sampling pipeline 302 is subjected to sampling depth detection through the mutual matching of the plugging floating ball 305 and the auxiliary plugging plate 306, the sampling precision of the sampling device body 1 is improved, a sampling control hole matched with the plugging floating ball 305 is formed in the sampling pipeline 302, the interaction between the plugging floating ball 305 and the sampling pipeline 302 is convenient to seal the sampling pipeline 302, the auxiliary plugging plate 306 is connected in the sampling pipeline 302, the auxiliary plugging plate 306 is matched with the plugging floating ball 305, and the connection state of the sampling pipeline 302 by the auxiliary plugging plate 306 and the auxiliary plugging floating ball 305 is convenient to control.
Referring to fig. 1 to 4, a compression adjusting plate 307 is disposed on a side of the blocking float 305 away from the auxiliary blocking plate 306, so that an acting force exerted on the blocking float 305 is adjusted by compressing the compression adjusting plate 307 on the compression spring 308, and a compression spring 308 is disposed between the compression adjusting plate 307 and the blocking float 305, so that the sampling pipe 302 is sealed by interaction between the compression spring 308 and the blocking float 305, and meanwhile, external water pressure borne by the blocking float 305 is adjusted and controlled by adjusting a compression state of the compression spring 308.
Referring to fig. 1-4, one side of the compression adjusting plate 307, which is far away from the compression spring 308, is connected with a threaded rotating shaft 309, which facilitates the fixing support and position adjustment of the compression adjusting plate 307 through the threaded rotating shaft 309, a threaded sleeve 310 is connected between the threaded rotating shaft 309 and the sampling fixing block 301, which facilitates the fixing support and limiting of the threaded rotating shaft 309 through the threaded sleeve 310, and meanwhile, the threaded rotating shaft 309 and the threaded rotating shaft 309 are mutually matched, so that the threaded rotating shaft 309 can be adjusted in position through a rotating mode under the effect of the threaded sleeve 310, one end of the threaded rotating shaft 309, which is located outside the sampling fixing block 301, is connected with an adjusting knob 311, which facilitates a user to control the rotating state of the threaded rotating shaft 309 through the mode of rotating the adjusting knob 311, and improves the convenience of adjusting the threaded rotating shaft 309.
Referring to fig. 1-4, the booster air pump 204, the booster water pump 208, the electromagnetic valve 212 and the flow sensor 304 are electrically connected to the control box 203, the booster air pump 204 is electrically connected to the control box 203, so as to control the operation state of the booster air pump 204 through the control box 203, thereby facilitating the control of the inflation and drainage state in the water storage tank 206, the booster water pump 208 and the electromagnetic valve 212 are electrically connected to the control box 203, thereby facilitating the control of the operation state of the booster water pump 208 through the control box 203, thereby facilitating the control of the water injection process of the water storage tank 206, meanwhile, the communication state of the drainage pipeline 211 can be controlled by controlling the open and close state of the electromagnetic valve 212, thereby facilitating the control of the drainage of the water flow in the water storage tank 206, the flow sensor 304 is electrically connected to the control box 203, thereby facilitating the monitoring of the water flow in the communication pipeline 303 through the flow sensor 304, the corresponding control signal can be conveniently transmitted to the control box 203 according to the monitoring result of the flow sensor 304, and the reliability of the sampling device body 1 in the water sample collection process is improved.
Referring to fig. 1-5, the filtering mechanism 4 includes a connecting pipe 401, the connecting pipe 401 is arranged to facilitate the connection of the sampling pipe 302, the connecting pipe 401 serves as a fixed support for the filter net 402, a pair of filter nets 402 is connected in the connecting pipe 401, the filter net 402 is arranged to facilitate the filtration of the water flow entering the sampling pipe 302, the sampling pipe 302 is prevented from being blocked in the sampling process of the sampling device body 1, the influence of impurities on the water sample is reduced, the sampling precision of the sampling device body 1 is improved, a supporting rotating shaft 403 is connected between the pair of filter nets 402, the supporting rotating shaft 403 penetrates through the filter net 402, and the driving wheel 404 is conveniently supported by the supporting rotating shaft 403.
Referring to fig. 1 to 5, a driving wheel 404 is connected to the supporting shaft 403, the driving wheel 404 can rotate under the action of external water flow, so that the supporting shaft 403 can be driven to rotate by the rotation of the driving wheel 404, and the rate of the external water flow entering the sampling pipe 302 can be increased by the rotation of the driving wheel 404, so that the sampling efficiency of the sampling device body 1 is increased, a driving drain hole matched with the driving wheel 404 is drilled on the connecting pipe 401, the external water flow can flow along a predetermined track through the drain hole by drilling the drain hole, so that the driving wheel 404 can be driven by the water flow, and one side of the supporting shaft 403, which is far away from the filter screen 402, is connected with a plurality of impurity removing blades 405.
When the sampling device is used specifically, a user can adjust the compression state of the compression spring 308 according to the sampling depth by rotating the adjusting knob 311, the sampling device body 1 is placed in a sampling area after adjustment, the sampling device body 1 sinks under the action of the gravity of the balancing weight 202, the operation of the booster water pump 208 can be controlled by the control box 203, the sinking rate of the sampling device body 1 is increased, after the sampling device body 1 sinks to a specified depth, the compression spring 308 is compressed by the interaction of the external water pressure and the blocking floating ball 305, so that the sampling pipeline 302 is communicated with the communication pipeline 303, the external water flow can enter the sampling device body 1 through the communication pipeline 303, the flow sensor 304 detects the water flow, the booster air pump 204 can be controlled by the control box 203 to operate, the electromagnetic valve 212 is opened, and the water in the water storage tank 206 is discharged in an inflation mode, the situation that the sampling device body 1 sinks continuously along with the increase of water samples is avoided, meanwhile, redundant air in the sampling device body 1 can be pumped out through the booster pump 204, and the sampling rate of the sampling device body 1 is increased;
in the sampling process, the external water flow flows along the driving drain hole on the connecting pipeline 401, the driving wheel 404 rotates under the action of the water flow, so that the impurity removing blade 405 is driven to rotate through the supporting rotating shaft 403, the water flow entering the connecting pipeline 401 is filtered through the filter screen 402, the rate of the external water flow entering is improved through the impurity removing blade 405, meanwhile, the filter screen 402 can be prevented from being blocked through the impurity removing blade 405, the external water flow enters the sampling device body 1 through the communicating pipeline 303 and is further filtered under the action of the auxiliary filter screen 502, meanwhile, the supporting floating plate 501 can correspondingly move along with the rise of the liquid level, so that the movable control rod 504 extrudes the pressure oil in the storage oil cylinder 505 under the action of the movable connecting block 503, and the pressure oil is conveyed into the blocking control oil cylinder 507 along the communicating oil pipe 506 under the action of pressure, remove shutoff board 508 through pressure oil control and remove, mutually support through removing shutoff board 508 and auxiliary seal plate 509 plays the shutoff effect to communicating pipe 303, the condition that external rivers got into sampling device body 1 when avoiding appearing sampling device body 1 and retrieving, the precision that sampling device body 1 carried out water sample collection has been improved, after reseing, user's accessible rotary control valve 103 intercommunication sampling tube 102, extract the water sample in the sampling device body 1, the convenience in the sampling device body 1 use has been improved.
According to the technical scheme, the invention has the following beneficial effects:
according to the invention, by adding the corresponding positioning mechanism and the corresponding sampling mechanism to the sewage sampling device, water sample collection can be carried out according to the sampling depth, the condition that the collected water sample does not meet the requirement is avoided, the sampling precision of the sewage sampling device is obviously improved, the labor intensity in the sampling process is greatly reduced, and the convenience in the use process of the sewage sampling device is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A high-precision sampling device for sewage experimental detection of a sewage treatment plant comprises a sampling device body (1) and is characterized in that an end cover (101) is connected to the sampling device body (1), a sampling tube (102) is arranged on one side of the sampling device body (1), and a control valve (103) is connected between the sampling tube (102) and the sampling device body (1);
one side of the sampling device body (1) far away from the end cover (101) is connected with a positioning mechanism (2), the positioning mechanism (2) comprises a positioning base (201), a balancing weight (202) is arranged in the positioning base (201), one side of the positioning base (201) far away from the balancing weight (202) is provided with a control cavity, the control cavity is internally provided with a control box (203), one side of the control box (203) is provided with a booster pump (204), one side of the booster pump (204) far away from the control box (203) is connected with a positioning control mechanism (205), the positioning control mechanism (205) comprises a water storage tank (206), one side of the water storage tank (206) far away from the balancing weight (202) is provided with a water inlet pipe (207), a booster pump (208) is connected between the water inlet pipe (207) and the water storage tank (206) and is used for controlling the water intake sedimentation state of the water storage tank (206), a drainage pipeline (211) is arranged on one side, away from the water inlet pipe (207), of the water storage tank (206), an electromagnetic valve (212) is connected between the drainage pipeline (211) and the water storage tank (206) and used for controlling the conduction and drainage state of the drainage pipeline (211), and the sinking and floating state of the sampling device body (1) is controlled through the cooperation of the electromagnetic valve (212), the booster pump (204) and the booster water pump (208);
one side of the sampling device body (1) far away from the sampling tube (102) is connected with a sampling mechanism (3), the sampling mechanism (3) comprises a sampling fixing block (301), a sampling pipeline (302) is arranged in the sampling fixing block (301), a communicating pipeline (303) is connected between the sampling pipeline (302) and the sampling device body (1), a flow sensor (304) is connected in the communicating pipeline (303) and used for judging the suspension sampling state of the sampling device body (1), a blocking floating ball (305) is arranged on one side of the sampling pipeline (302) far away from the positioning base (201), a sampling control hole matched with the blocking floating ball (305) is drilled in the sampling pipeline (302), an auxiliary blocking plate (306) is connected in the sampling pipeline (302), and the auxiliary blocking plate (306) is matched with the blocking floating ball (305), a compression adjusting plate (307) is arranged on one side, away from the auxiliary blocking plate (306), of the blocking floating ball (305), a compression spring (308) is arranged between the compression adjusting plate (307) and the blocking floating ball (305), a filtering mechanism (4) is connected to one side, away from the sampling device body (1), of the sampling mechanism (3), the filtering mechanism (4) comprises a connecting pipeline (401), a pair of filter screens (402) is connected in the connecting pipeline (401), a supporting rotating shaft (403) is connected between the pair of filter screens (402), and the supporting rotating shaft (403) penetrates through the filter screens (402);
the sampling device is characterized in that a filtering and sealing mechanism (5) is arranged in the sampling device body (1), the filtering and sealing mechanism (5) comprises a supporting floating plate (501), auxiliary filter screens (502) are connected to two sides of the supporting floating plate (501), movable connecting blocks (503) are connected to two sides of the supporting floating plate (501) far away from the auxiliary filter screens (503), one side of each movable connecting block (503) far away from the sampling device body (1) is connected with a movable control rod (504), a storage oil cylinder (505) is arranged on the outer side of each movable control rod (504), one side of each storage oil cylinder (505) far away from the corresponding movable control rod (504) is connected with a communicating oil pipe (506), one end of each communicating oil pipe (506) far away from the corresponding storage oil cylinder (505) is connected with a blocking control oil cylinder (507), a movable blocking plate (508) is arranged in each blocking control oil cylinder (507) and used for sampling and sealing the communicating pipeline (303), and an auxiliary sealing plate (509) is arranged on one side of the movable plugging plate (508) far away from the plugging control oil cylinder (507).
2. The high-precision sampling device for sewage experimental detection of the sewage treatment plant according to claim 1, wherein a communication air pipe (209) is connected between the pressurization air pump (204) and the water storage tank (206), an inflation pipeline (210) is connected to one side of the pressurization air pump (204) far away from the communication air pipe (209), and an installation avoiding groove matched with the inflation pipeline (210) is chiseled in the sampling device body (1).
3. The high-precision sampling device for the experimental detection of the sewage in the sewage treatment plant according to claim 1, wherein a drainage hole matched with the drainage pipeline (211) is drilled on the positioning base (201).
4. The high-precision sampling device for the experimental detection of the sewage from the sewage treatment plant according to claim 1, wherein one side of the compression adjusting plate (307) far away from the compression spring (308) is connected with a threaded rotating shaft (309), a threaded sleeve (310) is connected between the threaded rotating shaft (309) and the sampling fixing block (301), and one end of the threaded rotating shaft (309) located outside the sampling fixing block (301) is connected with an adjusting knob (311).
5. The high-precision sampling device for the experimental detection of sewage from the sewage treatment plant according to claim 1, wherein the booster pump (204), the booster pump (208), the electromagnetic valve (212) and the flow sensor (304) are electrically connected with the control box (203).
6. The high-precision sampling device for experimental detection of sewage from sewage treatment plants according to claim 1, wherein a driving wheel (404) is connected to the supporting rotating shaft (403), a driving drain hole matched with the driving wheel (404) is drilled on the connecting pipeline (401), and a plurality of impurity removing blades (405) are connected to one side of the supporting rotating shaft (403) away from the filter screen (402).
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| CN115219280B (en) * | 2022-07-20 | 2023-04-18 | 上海铃恒环境科技有限公司 | Water quality detection device and detection method |
| CN115235821B (en) * | 2022-07-22 | 2024-03-26 | 南京信真环境科技有限公司 | Deepwater area sludge sampler for environment detection |
| CN116481859B (en) * | 2023-04-26 | 2024-01-05 | 广东联一水产科技发展有限公司 | Water quality sampling detection device and detection method |
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| CN211122119U (en) * | 2019-10-28 | 2020-07-28 | 重庆锐思环保工程有限公司 | Water source environment monitoring sampling device |
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| CN107966319A (en) * | 2017-11-24 | 2018-04-27 | 王超 | A kind of deep-well sampling of ground water harvester |
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