Wastewater on-line monitoring and circulating sampling device

Abstract

The utility model relates to the technical field of waste water monitoring equipment, in particular to a waste water on-line monitoring circulating sampling device which comprises a sampling box and a detection beaker arranged in the sampling box, a transverse partition plate is arranged in the sampling box, and the transverse partition plate divides the interior of the sampling box into an equipment installation cavity and a liquid extraction detection cavity from top to bottom; a monitor body is arranged in the equipment mounting cavity, and a detection probe for monitoring to-be-detected wastewater is arranged below the monitor body; through the mutual cooperation of the sampling assembly and the lifting assembly, a sampled wastewater sample can be monitored in real time, related original data can be recorded in time, meanwhile, the wastewater sample can be reserved, a sample reserving beaker can be quickly cleaned through the arrangement of the cleaning assembly, and the sampling efficiency is improved. Therefore, the reliability of data detection during next wastewater sampling is ensured, and the integrity of circular sampling of the whole device is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater monitoring equipment, in particular to a wastewater online monitoring circulation sampling device. Background Art

[0002] Wastewater refers to the general term for water discharged during residents' activities and runoff rainwater. It includes domestic sewage, industrial wastewater, and other unused water such as initial rain runoff into drainage pipes. It generally refers to water that cannot be recycled after certain technical treatment or water that cannot meet certain standards for purification after primary pollution. According to the "Technical Specifications for Sewage Monitoring", the sewage monitoring plan contains sewage detection-related content, which requires confirmation of monitoring points, detection frequency, etc. When there are special instructions, special attention should be paid to completing on-site monitoring work in accordance with the requirements;

[0003] At present, when online monitoring and sampling of wastewater is carried out, according to special requirements, the turbidity, chromaticity, dissolved oxygen, water temperature, conductivity and pH of the wastewater must be measured on site, and the samples cannot be sent to the laboratory for testing after sampling. This results in the need for the online monitoring sampling equipment to test the sampling liquid in time after completing the sampling on site. At the same time, it is also necessary to sample the wastewater again and retain the sample and send it to the laboratory for testing of other data. However, most of the current online monitoring sampling devices cannot perform cyclic sampling operations. For this reason, a wastewater online monitoring cyclic sampling device is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a wastewater online monitoring circulation sampling device, which solves the technical problem that the online monitoring sampling device cannot perform circulation sampling operation.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a wastewater online monitoring circulation sampling device, comprising a sampling box and a detection beaker arranged in the sampling box, wherein a transverse partition plate is arranged in the sampling box, and the transverse partition plate divides the sampling box from top to bottom into an equipment installation chamber and a liquid extraction detection chamber; a monitoring instrument body is arranged in the equipment installation chamber, a detection probe for monitoring the wastewater to be inspected is arranged below the monitoring instrument body, a sampling component for introducing the wastewater to be inspected into the detection beaker is arranged in the liquid extraction detection chamber, and a lifting component for lifting the detection beaker to the detection probe is also arranged in the liquid extraction detection chamber;

[0006] The lifting assembly includes a lifting plate slidably arranged in the liquid extraction detection chamber and a lifting motor fixedly arranged under the sampling box, a lifting screw is rotatably arranged in the liquid extraction detection chamber, the output end of the lifting motor is fixedly connected to the lower end of the lifting screw, a threaded seat is provided on the lifting screw through a threaded connection sleeve, and the threaded seat is fixedly connected to the lifting plate;

[0007] A sliding plate is slidably provided on the lifting plate, and two cylindrical protrusions are symmetrically fixed in the middle of the sliding plate. A guide groove for sliding with the cylindrical protrusions is opened on the inner wall of the sampling box. The guide groove is inclined as a whole. An installation groove is provided in the middle of the lifting plate for fixing the detection beaker.

[0008] Preferably, the sampling assembly includes a sampling tube and an electric telescopic rod fixedly arranged inside the liquid extraction detection chamber, a piston plate is slidably provided inside the sampling tube, the telescopic end of the electric telescopic rod is fixedly connected to the piston plate, a water suction pipe and a water outlet pipe are provided at the lower end of the sampling tube, a clean water inlet pipe is connected to the water suction pipe via an electromagnetic control valve, and a one-way valve is provided in both the water suction pipe and the water outlet pipe.

[0009] Preferably, a cleaning assembly for cyclically cleaning the detection beaker is further provided inside the liquid extraction detection chamber, and the cleaning assembly includes a rotating screw rotatably arranged in the liquid extraction detection chamber and a driving motor arranged under the sampling box, the output end of the driving motor is fixedly connected to the lower end of the rotating screw, a U-shaped cleaning shell is provided on the rotating screw through a threaded connection, a limiting ring and a quick connector are provided below the U-shaped cleaning shell, and a quick connector used in conjunction with the quick connector is provided on the water outlet pipe;

[0010] An L-shaped liquid inlet channel is provided inside the U-shaped cleaning shell, one end of the L-shaped liquid inlet channel is communicated with the quick connector, and the other end of the L-shaped liquid inlet channel is communicated with the liquid outlet pipe under the U-shaped cleaning shell. A retractable drain pipe is provided on the U-shaped cleaning shell, and the retractable drain pipe is communicated with the liquid extraction pipe under the U-shaped cleaning shell.

[0011] Preferably, the detection probe is arranged to have a length greater than the depth of the detection beaker.

[0012] Preferably, two guide blocks are symmetrically arranged below the sliding plate, and a rectangular groove for cooperating with the two guide blocks is opened on the lifting plate.

[0013] Preferably, the length of the liquid extraction tube is greater than that of the liquid outlet tube, and the length of the liquid extraction tube is less than the height of the detection beaker.

[0014] By means of the above technical solution, the utility model provides a wastewater online monitoring circulation sampling device, which has at least the following beneficial effects:

[0015] 1. The utility model can timely monitor and process the wastewater samples after sampling, timely record relevant original data, and retain the samples of the wastewater samples through the cooperation of the sampling component and the lifting component. The sample beaker can be quickly cleaned through the setting of the cleaning component, thereby ensuring the reliability of data detection during the next wastewater sampling, thereby achieving the integrity of the cyclic sampling of the entire device, and solving the problem that the traditional wastewater online monitoring equipment cannot perform cyclic sampling.

[0016] 2. The utility model uses the tilting movement of the sliding plate in the liquid extraction detection chamber so that when the sliding plate is at the lowest position, the cleaning component can meet the requirement of cleaning the detection beaker body. At the same time, when the sliding plate is at the highest position, it can meet the requirement of the detection probe on the monitor to detect the wastewater in the detection beaker. Therefore, monitoring and cleaning will not interfere with each other, ensuring the reliability of the operation of the online monitoring equipment. At the same time, the wastewater to be tested can be sampled and processed, so that the online monitoring equipment can perform cyclic sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 This is a schematic diagram of the appearance structure of the sampling box of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the sampling box of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the lifting component of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the sampling component of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the sliding plate of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the cleaning component of the utility model;

[0024] Figure 7 This is a three-layer transverse cross-sectional view of a U-shaped cleaning shell of the utility model;

[0025] Figure 8 It is a vertical sectional view of the U-shaped cleaning shell of the utility model.

[0026] In the figure: 1. sampling box; 101. horizontal partition; 2. monitor body; 201. detection probe; 3. sampling assembly; 4. lifting assembly; 5. cleaning assembly; 301. sampling tube; 302. electric telescopic rod; 303. piston plate; 304. water suction pipe; 305. clean water inlet pipe; 306. water outlet pipe; 401. lifting plate; 402. lifting motor; 403. lifting screw; 404. threaded seat; 405. sliding plate; 4051. cylindrical protrusion; 406. guide groove; 501. rotating screw; 502. driving motor; 503. U-shaped cleaning shell; 5031. limiting ring; 504. quick connector. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] Please refer to Figure 1-Figure 5 A wastewater online monitoring circulation sampling device comprises a sampling box 1 and a detection beaker arranged in the sampling box 1, a transverse partition plate 101 is arranged in the sampling box 1, and the transverse partition plate 101 divides the sampling box 1 from top to bottom into an equipment installation chamber and a liquid extraction detection chamber; a monitoring instrument body 2 is arranged in the equipment installation chamber, a detection probe 201 for monitoring the wastewater to be inspected is arranged below the monitoring instrument body 2, a sampling component 3 for introducing the wastewater to be inspected into the detection beaker is arranged in the liquid extraction detection chamber, and a lifting component 4 for lifting the detection beaker to the detection probe 201 is also arranged in the liquid extraction detection chamber;

[0030] The lifting assembly 4 includes a lifting plate 401 slidably arranged in the liquid extraction detection chamber and a lifting motor 402 fixedly arranged under the sampling box 1. A lifting screw 403 is rotatably arranged in the liquid extraction detection chamber. The output end of the lifting motor 402 is fixedly connected to the lower end of the lifting screw 403. A threaded seat 404 is provided on the lifting screw 403 through a threaded connection sleeve. The threaded seat 404 is fixedly connected to the lifting plate 401;

[0031] A sliding plate 405 is slidably provided on the lifting plate 401, and two cylindrical protrusions 4051 are symmetrically fixedly provided in the middle of the sliding plate 405. A guide groove 406 for sliding with the cylindrical protrusions 4051 is provided on the inner wall of the sampling box 1. The guide groove 406 is inclined as a whole, and a mounting groove for fixing the detection beaker is provided in the middle of the lifting plate 401;

[0032] Furthermore, a detection probe 201 used in conjunction with the lifting assembly 4 is provided below the monitor body 2. The setting length of the detection probe 201 is greater than the depth of the detection beaker. The setting position of the detection probe 201 must ensure that the detection beaker does not interfere with its movement when it moves obliquely upward, and at the same time, it must ensure that the detection probe 201 can be inserted into the detection beaker for detection. Therefore, the detection probe 201 is provided below the monitor body 2 and is located on the optimal path for the cup mouth to move when the detection beaker moves.

[0033] Furthermore, two guide blocks are symmetrically arranged below the sliding plate 405, and a rectangular groove used in conjunction with the two guide blocks is arranged on the lifting plate 401. The arrangement of the guide blocks and the rectangular groove can effectively ensure that the sliding plate 405 is still on the upper end surface of the lifting plate 401 when the lifting plate 401 descends, thereby enhancing the association between the lifting plate 401 and the sliding plate 405.

[0034] As can be seen from the above, the specific working principle of the lifting component 4 is as follows: in the initial state, the lifting plate 401 is at the bottom of the liquid extraction detection chamber. At this time, the sliding plate 405 sliding on the lifting plate 401 is at the upper right side of the lifting plate 401. After the sampling component 3 extracts liquid and sends it into the detection beaker, the lifting motor 402 works to rotate the lifting screw rod 403. After the lifting screw rod 403 rotates, it can drive the threaded seat 404 to move inside the liquid extraction detection chamber. Since the threaded seat 404 is fixedly connected to the lifting plate 401, when the threaded seat 404 rises, the lifting plate 401 will also move upward. Since two cylindrical The two cylindrical protrusions 4051 are slidably arranged in two inclined guide grooves 406, so when the lifting plate 401 moves upward, the sliding plate 405 moves to the upper left side of the lifting plate 401 while rising. When the lifting plate 401 moves to the uppermost part inside the liquid extraction detection chamber, the sliding plate 405 moves to the uppermost left side of the lifting plate 401. This causes the detection probe 201 under the monitoring instrument body 2 to be in the detection beaker, thereby timely detecting the waste water in the detection beaker. After the detection is completed, the lifting motor 402 rotates in the opposite direction, thereby making the lifting plate 401 and the sliding plate 405 in the initial state.

[0035] Embodiment 2

[0036] Please refer to Figure 1-Figure 4 This embodiment is basically the same as the first embodiment. This embodiment is made on the basis of the first embodiment and has the same beneficial effects as the first embodiment. The same parts can be referred to each other and will not be described in detail here.

[0037] As a further technical solution of this embodiment, the sampling component 3 includes a sampling tube 301 and an electric telescopic rod 302 fixedly arranged inside the liquid extraction detection chamber. A piston plate 303 is slidably provided inside the sampling tube 301. The telescopic end of the electric telescopic rod 302 is fixedly connected to the piston plate 303. A water suction pipe 304 and a water outlet pipe 306 are provided at the lower end of the sampling tube 301. A clean water inlet pipe 305 is connected to the water suction pipe 304 through an electromagnetic control valve. Both the water suction pipe 304 and the water outlet pipe 306 are provided with a one-way valve. The one-way valve can specify the direction of water flow to prevent wastewater from flowing back.

[0038] The working principle of the sampling assembly 3 is specifically as follows: the electric telescopic rod 302 is energized to drive the telescopic end of the electric telescopic rod 302 to extend and retract, and the telescopic end of the electric telescopic rod 302 is fixedly connected to the piston plate 303, so that the piston plate 303 can move up and down inside the sampling cylinder 301. When the piston plate 303 moves upward inside the sampling cylinder 301, waste water can be drawn into the sampling cylinder 301 through the suction pipe 304, and then the piston plate 303 descends to transport the waste water to the outlet pipe 306. During cleaning, clean water is introduced into the sampling cylinder 301 through the clean water inlet pipe 305 and then discharged through the outlet pipe 306.

[0039] Embodiment 3

[0040] Please refer to Figure 2-Figure 8 This embodiment is basically the same as the first embodiment. This embodiment is made on the basis of the first embodiment and has the same beneficial effects as the first embodiment. The same parts can be referred to each other and will not be described in detail here.

[0041] As a further technical solution of this embodiment, a cleaning component 5 used in conjunction with the lifting component 4 is further provided inside the liquid extraction detection chamber. The cleaning component 5 includes a rotating screw 501 rotatably arranged in the liquid extraction detection chamber and a driving motor 502 arranged under the sampling box 1. The output end of the driving motor 502 is fixedly connected to the lower end of the rotating screw 501. A U-shaped cleaning shell 503 is provided on the rotating screw 501 through a threaded connection. A limiting ring 5031 and a quick connector 504 are provided below the U-shaped cleaning shell 503. A quick connector used in conjunction with the quick connector 504 is provided on the water outlet pipe 306.

[0042] An L-shaped liquid inlet channel is provided inside the U-shaped cleaning shell 503, one end of the L-shaped liquid inlet channel is interconnected with the quick connector 504, and the other end of the L-shaped liquid inlet channel is interconnected with the lower liquid outlet pipe of the U-shaped cleaning shell 503. A retractable drain pipe is provided on the U-shaped cleaning shell 503, and the retractable drain pipe is interconnected with the lower liquid extraction pipe of the U-shaped cleaning shell 503.

[0043] Furthermore, the length of the liquid extraction tube is greater than that of the liquid outlet tube, and the length of the liquid extraction tube is less than the height of the detection beaker.

[0044] As can be seen from the above, the working principle of the cleaning component 5 is specifically as follows: when conducting wastewater testing, the entire cleaning component 5 is in an initial state, that is, the U-shaped cleaning shell 503 is located below the inside of the liquid extraction testing chamber. At this time, the limiting ring 5031 below the U-shaped cleaning shell 503 is located above the testing beaker, and the two are not in contact and a gap is left. The wastewater from the outlet pipe 306 enters the quick connector 504 through the quick connector, and then enters the L-shaped liquid inlet channel in the U-shaped cleaning shell 503. The wastewater is then discharged from the liquid outlet pipe into the testing beaker through the L-shaped liquid inlet channel, and the excess air in the testing beaker is then discharged from the gap between the limiting ring 5031 and the testing beaker. When the testing beaker is filled with wastewater to be tested, the driving motor 502 is powered on, and the driving motor 502 rotates, thereby driving the rotating screw 501 to rotate, thereby lifting the U-shaped cleaning shell 503 to the top of the inside of the liquid extraction testing chamber. At this time, the relative distance between the U-shaped cleaning shell 503 and the testing beaker is the largest. Then, the detection beaker is transported to the bottom of the monitoring instrument body 2 through the lifting component 4, and then the wastewater is tested through the detection probe 201. After the test, the lifting component 4 transports the detection beaker to the initial state. At this time, the operator can open the box door in the middle of the sampling box 1 to take out the detection beaker for sample retention, and then put the detection beaker in for cleaning. During cleaning, the U-shaped cleaning shell 503 moves to the bottom. At this time, the limit ring 5031 under the U-shaped cleaning shell 503 is inside the detection beaker, so that the inside of the detection beaker is in a closed space, and clean water is introduced into the sampling tube 301 through the clean water inlet pipe 305, and then discharged into the detection beaker through the outlet pipe 306. The waste water after cleaning the detection beaker is discharged through the liquid extraction pipe. The cleaning method for the detection probe 201 is to fill the detection beaker with clean water and then transport the detection beaker to the bottom of the detection probe 201, so that the detection probe 201 can be cleaned and calibrated.

[0045] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0047] Each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the above embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiments.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wastewater online monitoring circulation sampling device, comprising a sampling box (1) and a detection beaker arranged in the sampling box (1), characterized in that: The sampling box (1) is provided with a transverse partition plate (101), and the transverse partition plate (101) divides the sampling box (1) from top to bottom into an equipment installation chamber and a liquid extraction detection chamber; a monitoring instrument body (2) is provided in the equipment installation chamber, and a detection probe (201) for monitoring the wastewater to be detected is provided below the monitoring instrument body (2); a sampling component (3) for introducing the wastewater to be detected into a detection beaker is provided in the liquid extraction detection chamber, and a lifting component (4) for lifting the detection beaker to the detection probe (201) is also provided in the liquid extraction detection chamber; The lifting assembly (4) comprises a lifting plate (401) slidably arranged in the liquid extraction detection chamber and a lifting motor (402) fixedly arranged under the sampling box (1); a lifting screw (403) is rotatably arranged in the liquid extraction detection chamber; the output end of the lifting motor (402) is fixedly connected to the lower end of the lifting screw (403); a threaded seat (404) is provided on the lifting screw (403) through a threaded connection sleeve; and the threaded seat (404) is fixedly connected to the lifting plate (401); A sliding plate (405) is slidably provided on the lifting plate (401), and two cylindrical protrusions (4051) are symmetrically fixed in the middle of the sliding plate (405). The inner wall of the sampling box (1) is provided with a guide groove (406) for sliding with the cylindrical protrusions (4051), and the guide groove (406) is arranged in an inclined manner as a whole. A mounting groove is provided in the middle of the lifting plate (401) for fixing the detection beaker.

2. A wastewater online monitoring circulation sampling device according to claim 1, characterized in that: The sampling assembly (3) comprises a sampling tube (301) and an electric telescopic rod (302) fixedly arranged inside a liquid extraction detection chamber; a piston plate (303) is slidably arranged inside the sampling tube (301); the telescopic end of the electric telescopic rod (302) is fixedly connected to the piston plate (303); a water extraction pipe (304) and a water outlet pipe (306) are arranged at the lower end of the sampling tube (301); a clean water inlet pipe (305) is connected to the water extraction pipe (304) via an electromagnetic control valve; and one-way valves are arranged inside the water extraction pipe (304) and the water outlet pipe (306).

3. A wastewater online monitoring circulation sampling device according to claim 2, characterized in that: A cleaning assembly (5) for cyclically cleaning the detection beaker is also provided inside the liquid extraction detection chamber, and the cleaning assembly (5) comprises a rotating screw (501) rotatably arranged in the liquid extraction detection chamber and a driving motor (502) arranged under the sampling box (1), the output end of the driving motor (502) is fixedly connected to the lower end of the rotating screw (501), a U-shaped cleaning shell (503) is provided on the rotating screw (501) through a threaded connection, a limiting ring (5031) and a quick connector (504) are provided below the U-shaped cleaning shell (503), and a quick connector used in conjunction with the quick connector (504) is provided on the water outlet pipe (306); An L-shaped liquid inlet channel is provided inside the U-shaped cleaning shell (503), one end of the L-shaped liquid inlet channel is communicated with the quick connector (504), and the other end of the L-shaped liquid inlet channel is communicated with the lower liquid outlet pipe of the U-shaped cleaning shell (503). A retractable drain pipe is provided on the U-shaped cleaning shell (503), and the retractable drain pipe is communicated with the lower liquid extraction pipe of the U-shaped cleaning shell (503).

4. A wastewater online monitoring circulation sampling device according to claim 1, characterized in that: The detection probe (201) is arranged to have a length greater than the depth of the detection beaker.

5. A wastewater online monitoring circulation sampling device according to claim 1, characterized in that: Two guide blocks are symmetrically arranged below the sliding plate (405), and a rectangular groove for cooperating with the two guide blocks is opened on the lifting plate (401).

6. A wastewater online monitoring circulation sampling device according to claim 3, characterized in that: The length of the liquid extraction tube is greater than that of the liquid outlet tube, and the length of the liquid extraction tube is less than the height of the detection beaker.

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