CN114354278B

CN114354278B - Slurry analysis sampling device

Info

Publication number: CN114354278B
Application number: CN202210274205.3A
Authority: CN
Inventors: 卜楠楠; 杨招生; 张若思; 郭忠艳
Original assignee: Kaloon Analytical Instruments Co ltd
Current assignee: Kaloon Analytical Instruments Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-05-27
Anticipated expiration: 2042-03-21
Also published as: CN114354278A

Abstract

The application relates to the field of water quality detection equipment, and discloses a slurry analysis sampling device which comprises a sampling device, wherein a filter is arranged in the sampling device, a sample inlet pipe communicated with the filter is arranged on the sampling device, a sample outlet pipe communicated with the sampling device is also arranged on the sampling device, and the sample outlet pipe comprises a first branch pipe and a second branch pipe; one end of the first branch pipe is communicated with the sampling device, the other end of the first branch pipe is communicated with the collecting device, one end of the second branch pipe is communicated with the first branch pipe, and the other end of the second branch pipe is communicated with the sampling device. This application has effectively to improve and easily appears impurity and block up the filtration pore, and then leads to the filter to block up, influences the effect of sample work efficiency problem.

Description

Slurry analysis sampling device

Technical Field

The application relates to the field of water quality testing equipment, in particular to a slurry analysis sampling device.

Background

The quality of water quality of various water areas and water sources such as rivers, lakes and the like is directly related to the development of national economy and the self health of people, and particularly, the water areas affected by sewage discharge are more important to the test analysis of the water quality.

When sampling, the collected slurry needs to be filtered, so that subsequent collection and analysis work can be facilitated. In the related art, a tubular filter is arranged in a sampler, a sample with impurities is introduced into the filter, the impurities are retained in the filter, and the sample flows out through filter holes in the filter and then flows into a collecting device.

In view of the above-mentioned related art, the inventor believes that the impurities remaining in the filter may block the filter holes, and the filter is easily blocked, which affects the sampling efficiency.

Disclosure of Invention

In order to effectively improve and easily appear impurity jam filtration pore, and then lead to the filter jam, influence sample work efficiency's problem, this application provides a thick liquid water analysis sampling device.

The application provides a thick liquid analysis sampling device adopts following technical scheme:

a kind of slurry water analysis sampling device, including the sampling device, install the filter in the sampling device, install the sample inlet pipe communicated with filter on the sampling device, also install the sample outlet pipe communicated with sampling device on the sampling device, the sample outlet pipe includes the first branch pipe, and the second branch pipe;

one end of the first branch pipe is communicated with the sampling device, the other end of the first branch pipe is communicated with the collecting device, one end of the second branch pipe is communicated with the first branch pipe, and the other end of the second branch pipe is communicated with the sampling device.

By adopting the technical scheme, the sample with impurities flows into the sampling device through the sample inlet pipe and is filtered by the filter, the impurities in the sample are retained in the filter, the sample flows out through the filter holes formed in the filter, part of the flowed sample flows into the collecting device, the other part of the flowed sample flows into the collecting device through the second branch pipe, the inflowing water impacts the outer wall of the filter and is attached to the filter holes, the impurities on the inner peripheral wall of the filter are impacted by the impact force from the outside of the filter to the inside of the filter, the impact force of the water flow can impact the attached and retained impurities out of the filter holes, and the impurities in the filter holes impact the inner peripheral wall of the filter, so that the filter holes are unobstructed again, and the impurities are continuously filtered; the attached and detained impurities are removed by the impact force of the filtered water flow without other devices, and the impacted water flow is the filtered water flow and cannot influence the subsequent outflow; the possibility of filter hole blockage can be effectively reduced by the filtered sample flowing in again, and the problems that the filter is easy to block and the sampling working efficiency is influenced are effectively solved; meanwhile, the equipment cost can be effectively reduced, and the detection cost is effectively reduced.

Optionally, install the motor on sampling device upper portion, still install the belt cleaning device who is connected with the motor in sampling device, belt cleaning device includes the axis of rotation of being connected with the motor, installs the mounting panel in the axis of rotation, and the one end of keeping away from the axis of rotation at the mounting panel is provided with the brush, and the one end that the mounting panel was kept away from to the brush is with the interior perisporium butt of filter.

By adopting the technical scheme, in the filtering process of a sample, the motor drives the rotating shaft to rotate so as to drive the mounting plate to rotate, the brush also rotates along with the rotating shaft, the impact force of the sample flow which flows in again is limited by factors such as the size of water flow, and the impact direction is limited by the filter holes, so impurities can be attached and retained on the part of the inner peripheral wall between the filter holes of the filter, and along with the rotation of the brush, the brush can brush the impurities attached to the position down, thereby being convenient for the cleaning of subsequent workers; meanwhile, due to different sources of the samples, part of residual substances with longer length can appear in the samples, and at the moment, part of the substances can be attached to and retained in the filter holes, and the other part of the substances can be suspended in the filter, so that the rotary hairbrush can brush the substances down from the filter holes, and the possibility of blocking the filter holes is reduced; simultaneously the rotation of mounting panel can accelerate the velocity of flow of sample in the filter, and then makes the quick filtration that filters of sample, further effectively improves the filtration efficiency of sampler.

Optionally, the mounting plate is provided with a receiving hole, and the rotating plate is rotatably mounted in the receiving hole.

By adopting the technical scheme, in the rotating process of the rotating shaft, the rotating plate can rotate under the action of vortex formed by rotation and sample injection, and the rotating plate can accelerate the flow of the sample, so that the working efficiency is effectively improved; meanwhile, when too many samples are in the sampling device and the rotating shaft drives the mounting plate to rotate difficultly, the rotating plate can assist the mounting plate to rotate, so that the consumption of the motor is reduced, and the service life of the motor is prolonged.

Optionally, the plate surface of the rotating plate is an arc surface.

Through adopting above-mentioned technical scheme, the arcwall face is favorable to the flow of sample more, can make the faster rotation of rotor plate, further accelerates the slew velocity of rotor plate for the filter rate of sample is faster, and then effectively improves work efficiency.

Optionally, the sampling device comprises a main body with two open ends, and the two open ends of the main body are respectively provided with a sealing cover and an end cover;

the motor is installed on the upper portion of closing cap, and end cover and main part threaded connection.

By adopting the technical scheme, the threaded connection is more convenient for workers to install and dismantle the end cover, so that the workers can clean the sampling device conveniently; meanwhile, the staff can rotate the end cover according to the flow velocity of the sample to change the size of the space between the end cover and the filter, and further control the flow velocity of the sample.

Optionally, a lap plate is arranged on the inner wall of the main body along the circumferential direction of the main body, and a wing plate capable of being lapped on the lap plate is arranged on the outer circumferential wall of the filter along the circumferential direction of the filter.

By adopting the technical scheme, the lapping plate can support the filter, so that the filter is suspended to form a certain space, and the filtered sample can flow conveniently; meanwhile, the filter is convenient for workers to take and install, so that the workers can clean and install the filter conveniently, and the working efficiency is effectively improved.

Optionally, a filter plate is disposed inside the main body and below the filter.

By adopting the technical scheme, when the sample flowing in again impacts the outer wall of the filter, part of impurities remained and attached in the filter holes can fall to the outside of the filter under the impact force of the sample, and the impurities can fall on the filter plate at the moment, so that the sample can be further filtered to ensure the cleanliness of the sample in the collecting device; meanwhile, the hair brush can also brush part of impurities which are retained and attached in the filter hole to the outside of the filter, so that the impurities can also fall onto the filter plate, and the cleanliness of the sample is further ensured.

Optionally, an installation groove is formed in the inner wall of the main body along the circumferential direction of the main body, a sealing ring matched with the installation groove is installed in the installation groove, and the filter plate is installed in the sealing ring.

By adopting the technical scheme, the sealing ring can ensure the sealing property of the filter plate; when the staff need clear up the filter plate, can twist the end cover soon, pull down the end cover, pull down the filter plate from the sealing washer in, wash the change.

Optionally, a non-return valve is mounted on the second branch pipe.

Through adopting above-mentioned technical scheme, the check valve can prevent in sample backward flow to first branch pipe and the collection device, and then guarantees the flow direction of sample.

Optionally, a water pump is further mounted on the second branch pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the sampling device, the first branch pipe and the second branch pipe, the possibility of blockage of the filter holes can be effectively reduced by re-flowing of the filtered sample, so that the problems that the filter is easy to block and the sampling working efficiency is influenced are effectively solved;

2. by arranging the cleaning device, the brush can brush down impurities attached to the filter along with the rotation of the brush, so that the subsequent cleaning of workers is facilitated;

3. through setting up the rotor plate, too much when sample in the sampling device, the axis of rotation drives the mounting panel and rotates when the difficulty, and the rotor plate can assist the mounting panel to rotate, alleviates the consumption of motor, prolongs the life of motor.

Drawings

Fig. 1 is a schematic structural diagram of a slurry analysis sampling device.

Fig. 2 is a partial cross-sectional view of a slurry analysis sampling apparatus.

FIG. 3 is a partial cross-sectional view from another perspective of a slurry analysis sampling apparatus.

Description of reference numerals: 1. a sampling device; 11. a main body; 111. a lap plate; 12. a closure cap; 13. an end cap; 14. a sample inlet pipe; 15. a sample outlet pipe; 151. a first branch pipe; 152. a second branch pipe; 2. a filter; 21. a wing plate; 3. a motor; 4. a cleaning device; 41. a rotating shaft; 42. mounting a plate; 43. a brush; 44. a rotating plate; 5. filtering the plate; 51. a seal ring; 6. a water pump; 7. a non-return valve; 8. and (4) a collecting device.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses thick liquid analysis sampling device.

Referring to fig. 1 and 2, a slurry analysis sampling device includes a sampling device 1, a filter 2 installed in the sampling device 1, a cleaning device 4 installed in the filter 2, and a collecting device 8 communicating with the sampling device 1. A water suction pump 6 and a check valve 7 are sequentially arranged on a pipeline of the collecting device 8 communicated with the sampling device 1.

Referring to fig. 2 and 3, the sampling device 1 includes a main body 11 with two open ends, and a closing cap 12 and an end cap 13 respectively installed at two ends of the main body 11. The main body 11 is cylindrical, the closing cap 12 is adapted to one end of the main body 11, a thread is formed on the other end of the main body 11, a thread is also formed on the inner wall of the end cap 13, and the end cap 13 is in threaded connection with the main body 11.

A ring of strap 111 is integrally formed on an end of the inner wall of the main body 11 close to the closing cap 12 along a circumferential direction of the main body 11, and the strap 111 is ring-shaped. The filter 2 is tubular, one end of the filter 2 is a closed end, and the open end of the filter 2 faces the end of the main body 11 connected with the closing cover 12.

Referring to fig. 2 and 3, a ring of wing plates 21 are integrally formed on the outer wall of the open end of the filter 2 along the circumferential direction of the filter 2, the wing plates 21 are ring-shaped, and the outer diameter of the wing plates 21 is larger than the inner diameter of the overlapping plate 111 and smaller than or equal to the outer diameter of the overlapping plate 111, so that the filter 2 can be overlapped on the main body 11 through the wing plates 21. The depth of the filter 2 is less than the depth of the body 11.

Referring to fig. 2 and 3, a plurality of sets of filter holes are provided in the circumferential wall of the filter 2 at intervals from top to bottom along the axial direction of the filter 2, a plurality of filter holes are provided in each set at intervals along the circumferential direction of the filter 2, and no filter hole is provided in the circumferential wall of the end of the filter 2 near the closed end.

The motor 3 is arranged at the upper end of the closing cover 12, the motor shaft penetrates through the closing cover 12, and the cleaning device 4 is connected with the motor 3. The cleaning device 4 includes a rotating shaft 41 connected to the motor shaft, a mounting plate 42 mounted on the rotating shaft 41, a brush 43 mounted on an end of the mounting plate 42 remote from the rotating shaft 41, and a rotating plate 44 mounted on the mounting plate 42.

Referring to fig. 2 and 3, the axis of the rotary shaft 41 is collinear with the axis of the filter 2, the length of the rotary shaft 41 is smaller than the depth of the filter 2, the three mounting plates 42 are spaced apart in the axial direction of the rotary shaft 41, and the three mounting plates 42 are staggered. One end of the attachment plate 42 is fixed to the outer peripheral wall of the rotary shaft 41, and the brush 43 is provided at the other end of the attachment plate 42, and one end of the brush 43 remote from the rotary shaft 41 abuts against the inner peripheral wall of the filter 2. The brush 43 cleans impurities accumulated on the inner peripheral wall and the filter holes of the filter 2 during the rotation of the rotation shaft 41.

The middle position of the plate surface of the mounting plate 42 is provided with a containing hole, the rotating plate 44 is installed in the containing hole, the axis of the central shaft of the rotating plate 44 is collinear with the axis of the rotating shaft 41, and the plate surface of the rotating plate 44 is an arc-shaped surface. During the rotation of the rotating shaft 41, the rotating plate 44 is rotated by the eddy current formed by the rotation and the sample injection. Pivoted rotor plate 44 can accelerate the flow of sample, and then effectively improves work efficiency, and too much when sample in sampling device 1, axis of rotation 41 drives mounting panel 42 and rotates when difficult, and rotor plate 44 can assist mounting panel 42 to rotate, alleviates motor 3's consumption, prolongs motor 3's life.

Referring to fig. 2, an annular mounting groove is formed in the inner circumferential wall of the main body 11 below the filter 2 along the circumferential direction of the main body 11, a seal ring 51 fitted to the mounting groove is mounted in the mounting groove, and a filter plate 5 fitted to the seal ring 51 is mounted in the seal ring 51.

Referring to fig. 1 and 3, a sampling tube 14 is connected to the upper end of the sampling device 1, a sampling tube 15 is connected to the bottom of the sampling device 1, and the sampling tube 15 includes a first branch tube 151 and a second branch tube 152. The sample inlet pipe 14 with impurities is communicated to the inside of the filter 2, a through hole for the sample inlet pipe 14 to pass through is formed in the peripheral wall of the filter 2, a sample enters the filter 2 through the sample inlet pipe 14, the impurities are retained in the filter 2 after being filtered by the filter 2, and the sample flows out from the filtering holes and flows out from the sample outlet pipe 15 through the filter plate 5.

A through hole for the first branch pipe 151 to pass through is opened on the end surface of the end cover 13, one end of the first branch pipe 151 passes through the end cover 13 to communicate with the main body 11, and the other end communicates with the collecting device 8. The first branch pipe 151 is further communicated with one end of a second branch pipe 152, the other end of the second branch pipe 152 penetrates the main body 11 and extends into a gap between the strainer 2 and the main body 11, and the suction pump 6 and the check valve 7 are sequentially installed on the second branch pipe 152.

Referring to fig. 1 and 3, the filtered sample partially flows into the collection device 8 through the first branch pipe 151, and the other part flows into the gap between the strainer 2 and the main body 11 through the second branch pipe 152 by the suction pump 6, thereby washing the peripheral wall of the strainer 2.

Under the impact of the returned sample, the impurities blocked in the filtration pores of the filter 2 fall, part of the impurities fall inside the filter 2 and to the bottom of the filter 2, and the other part of the impurities fall from the outside of the filter 2 and onto the filter plate 5. Meanwhile, part of the impurities can be partially retained in the filter holes and partially suspended inside the filter 2, and at the moment, along with the rotation of the rotating shaft 41, the brush 43 can scrape the impurities off and collect the impurities into the bottom of the filter 2.

The non-return valve 7 can prevent the sample from flowing back into the first branch pipe 151 and the collecting device 8, thereby ensuring the flowing direction of the sample. After a period of use, the end cap 13 can be screwed, the end cap 13 can be removed, and the filter plate 5 can be removed from the sealing ring 51 for cleaning and replacement. At the same time, the filter 2 can be taken out from the sampling device 1, and impurities accumulated at the bottom of the filter 2 can be cleaned.

The implementation principle of a thick liquid analysis sampling device of this application embodiment does: after the sample with impurity filtered in getting into filter 2 by advancing appearance pipe 14, impurity is detained in filter 2, the sample part after the filtration flows into collection device 8, another part flows into between filter 2 and the main part 11, wash filter 2, the impurity of detaining in filter 2 filtration pore is collected on filter 2 and filter plate 5 under rivers and brush 43's effect, and then can effectively reduce impurity jam filtration pore, and then lead to filter 2 to block up, influence sample work efficiency's problem.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a thick liquid water analysis sampling device, includes sampling device (1), installs filter (2) in sampling device (1), installs sample inlet pipe (14) with filter (2) intercommunication on sampling device (1), still installs sample outlet pipe (15) with sampling device (1) intercommunication on sampling device (1), its characterized in that: the sample outlet pipe (15) comprises a first branch pipe (151) and a second branch pipe (152);

one end of the first branch pipe (151) is communicated with the sampling device (1), the other end of the first branch pipe (151) is communicated with the collecting device (8), one end of the second branch pipe (152) is communicated with the first branch pipe (151), and the other end of the second branch pipe is communicated with the sampling device (1);

the upper part of the sampling device (1) is provided with a motor (3), the sampling device (1) is also internally provided with a cleaning device (4) connected with the motor (3), the cleaning device (4) comprises a rotating shaft (41) connected with the motor (3), the rotating shaft (41) is provided with an installation plate (42), one end of the installation plate (42) far away from the rotating shaft (41) is provided with a brush (43), and one end of the brush (43) far away from the installation plate (42) is abutted against the inner peripheral wall of the filter (2);

the sampling device (1) comprises a main body (11) with two open ends, wherein the two open ends of the main body (11) are respectively provided with a closed cover (12) and an end cover (13);

the motor (3) is arranged at the upper part of the closed cover (12), and the end cover (13) is in threaded connection with the main body (11);

a filter sheet (5) is provided inside the main body (11) below the filter (2).

2. The slurry analysis sampling device of claim 1, wherein: the mounting plate (42) is provided with a containing hole, and a rotating plate (44) is rotatably mounted in the containing hole.

3. The slurry analysis sampling device of claim 2, wherein: the surface of the rotating plate (44) is an arc surface.

4. The slurry analysis sampling device of claim 1, wherein: a lap plate (111) is provided on the inner wall of the main body (11) along the circumferential direction of the main body (11), and a wing plate (21) capable of lapping on the lap plate (111) is provided on the outer circumferential wall of the filter (2) along the circumferential direction of the filter (2).

5. The slurry analysis sampling device of claim 4, wherein: the inner wall of the main body (11) is provided with a mounting groove along the circumferential direction of the main body (11), a sealing ring (51) matched with the mounting groove is mounted in the mounting groove, and the filter plate (5) is mounted in the sealing ring (51).

6. The slurry analysis sampling device of claim 1, wherein: a check valve (7) is mounted on the second branch pipe (152).

7. The slurry analysis sampling device of claim 6, wherein: a water suction pump (6) is also arranged on the second branch pipe (152).