Sampling device for sewage treatment

Abstract

The utility model provides a sampling device for sewage treatment, which belongs to the technical field of sewage treatment and comprises a sampling barrel, a sealing cover and a floating body, a tank is arranged in the floating body, the sampling barrel is placed in the tank, a mounting chamber and a plurality of supporting legs are arranged at the bottom of the floating body, the mounting chamber is slidably connected with a filter cover, and a water pump is mounted in the mounting chamber. The input end of the water pump is communicated with a telescopic sampling pipe, the end of the telescopic sampling pipe is fixed to the filtering cover, the floating body and the sealing cover are provided with conveying channels which are communicated with each other, the output end of the water pump is communicated with the conveying channels, the sealing cover covers the groove body, a pull rope is connected to the sealing cover, and a water immersion sensor is installed on the installation chamber. The water sensor is electrically connected with the controller which is electrically connected with the water pump. The equipment can be lowered to the water surface of a sampling area from a high position, sampling personnel do not need to approach the water surface, sampling is more convenient, the contact area of the filter cover and water is increased, blockage is effectively avoided, empty pumping of a water pump is avoided, and the service life of the water pump is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sampling device for sewage treatment. Background Art

[0002] As industrial wastewater, domestic sewage and other wastes are discharged into rivers, lakes, seas and other water bodies, the water quality deteriorates, affecting the utilization value of the water, endangering human health or damaging the ecological environment. In order to change the continuous deterioration of water quality, it is necessary to monitor the water quality. The traditional water quality monitoring method is to sample the water in the area through sampling equipment, analyze and measure the water samples, and obtain basic data on water pollution.

[0003] For example, the patent with announcement number CN219714882U discloses a quantitative sampling device for sewage treatment, including a sampling barrel, a column barrel is integrally formed on the top of the inner wall of one side of the sampling barrel, a piston is slidably connected to the inside of the sampling barrel, a column rod is fixed at the axis of the piston, the internal thread of the column barrel is connected to a lead screw, a quantitative block is fixedly installed on the bottom end of the lead screw, and a suction tube is integrally formed at the axis of the bottom end of the sampling barrel, and a liquid level line is drawn on the outer wall of the sampling barrel. The beneficial effect is that the sampling is more accurate, which can effectively avoid the phenomenon that the piston cannot be limited and the sampling amount cannot be accurately controlled during the sewage sampling process.

[0004] However, this technical approach still has the following technical problems: 1. It is necessary to manually operate the push-pull handle to push the piston for sampling, which requires the sampler to be close to the water, posing a safety hazard and making sampling inconvenient; 2. The diameter of the suction tube is small, and when sampling, impurities move to the suction tube with the flow of water, causing blockage. Utility Model Content

[0005] The utility model provides a sampling device for sewage treatment, aiming to solve the above-mentioned problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A sampling device for sewage treatment comprises a sampling tube, a sealing cover and a float, wherein a trough body is provided in the float, the sampling tube is placed in the trough body, an installation chamber and a plurality of supporting feet are provided at the bottom of the float, the installation chamber is slidably connected with a filter cover, a water pump is installed in the installation chamber, the input end of the water pump is connected with a telescopic sampling tube, the end of the telescopic sampling tube is fixed on the filter cover, the float and the sealing cover are provided with mutually connected conveying channels, the output end of the water pump is connected with the conveying channel, the sealing cover is covered on the trough body, a pull rope is connected to the sealing cover, a water immersion sensor is installed on the installation chamber, the water immersion sensor is electrically connected to a controller, and the controller is electrically connected to the water pump.

[0008] Preferably, a rope winding assembly is connected to the sealing cover, and the rope winding assembly includes a U-fixed plate, a drum and a handle, two ends of the U-fixed plate are respectively fixed to the sealing cover, two ends of the drum are respectively rotatably connected to the U-fixed plate, the handle is rotatably connected to the U-fixed plate to rotate the drum to reel in the pull rope, one end of the pull rope is wound around the drum, and the free end of the pull rope passes through the U-fixed plate and extends above it.

[0009] Preferably, a handle is rotatably connected to the U fixing plate.

[0010] Preferably, the conveying channel includes a first channel and a second channel, the first channel is arranged on the float, the second channel is arranged on the sealing cover, the first channel is communicated with the second channel, and the output end of the second channel is located above the sampling cylinder.

[0011] Preferably, a plurality of screw rods threadedly connected to the float are arranged around the sealing cover, and the plurality of screw rods are connected to a limiting plate.

[0012] Preferably, a mounting plate is fixed in the mounting chamber by bolts, and the water pump is mounted on the mounting plate.

[0013] Preferably, the filter cover includes a filter cartridge and a filter plate, the filter cartridge is slidably connected to the installation chamber, the periphery of the filter plate is connected to a support ring, the upper end of the support ring is provided with a slot, and the bottom of the filter cartridge is inserted into the slot.

[0014] Preferably, a metal block is provided at the upper end of the filter cartridge, an electromagnet is installed in the side wall of the installation chamber, the electromagnet cooperates with the metal block to allow the filter cover to slide out of the installation chamber, and the electromagnetic switch of the electromagnet is electrically connected to the controller.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a sampling device for sewage treatment. By pulling a rope, the device can be lowered from a high place to the water surface of a sampling area. There is no need for sampling personnel to get close to the water surface, making sampling more convenient. The contact area between the filter cover and the water is adjusted by pulling down, thereby increasing the contact area between the filter cover and the water, and effectively avoiding blockage caused by a small filtering area. The water immersion sensor contacts the water and is turned on, and the controller controls the water pump to work, and the water in the area is sampled to achieve sampling, thereby effectively avoiding empty pumping of the water pump and increasing the service life of the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic cross-sectional structure diagram of a sampling device for sewage treatment according to the utility model;

[0018] Figure 2It is a partial cross-sectional structural schematic diagram of a sampling device for sewage treatment according to the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the connection between the floating body and the installation chamber of the utility model;

[0020] Figure 4 This is a schematic diagram of the top view of a sampling device for sewage treatment according to the utility model;

[0021] Figure 5 This is a schematic diagram of the electrical connection structure of Example 1 of the utility model;

[0022] Figure 6 This is a schematic diagram of the electrical connection structure of Example 2 of the utility model;

[0023] In the figure, 1 is a sampling cylinder, 2 is a sealing cover, 3 is a float, 4 is a trough body, 5 is a mounting chamber, 6 is a supporting foot, 7 is a filter cover, 8 is a filter cylinder, 9 is a filter plate, 10 is a supporting ring, 11 is a slot, 12 is a water pump, 13 is a telescopic sampling tube, 14 is a conveying channel, 15 is a first channel, 16 is a second channel, 17 is a pull rope, 18 is a water immersion sensor, 19 is a controller, 20 is a rope winding assembly, 21 is a U fixing plate, 22 is a reel, 23 is a handle, 24 is a carrying handle, 25 is a screw, 26 is a limit plate, 27 is a mounting plate, 28 is an electromagnet, and 29 is a metal block. DETAILED DESCRIPTION

[0024] In order to better understand the technical content of the present invention, specific embodiments are provided below, and the present invention is further described in conjunction with the accompanying drawings.

[0025] Example

[0026] See also Figures 1 to 5The utility model provides a sampling device for sewage treatment, including a sampling tube 1, a sealing cover 2 and a float 3. A groove 4 is provided in the float 3. The sampling tube 1 is placed in the groove 4. When sampling, the sampling tube 1 can be placed in the groove 4. The upper part of the sampling tube 1 protrudes from the groove 4, which is convenient for taking and placing the sampling tube 1. The bottom of the float 3 is provided with an installation chamber 5 and a plurality of supporting feet 6. The supporting feet 6 can stably place the device. The installation chamber 5 is slidably connected with a filter cover 7, which can filter impurities in the water and effectively prevent the telescopic sampling tube 13 from being blocked. Plug, a water pump 12 is installed in the installation chamber 5, the input end of the water pump 12 is connected to a telescopic sampling tube 13, the lower end of the telescopic sampling tube 13 is circumferentially provided with a plurality of sampling holes (not marked), the telescopic sampling tube 13 can be a bellows or a telescopic tube, the end of the telescopic sampling tube 13 is fixed on the filter cover 7, the telescopic sampling tube 13 can be extended and retracted as the filter cover 7 slides, the float 3 and the sealing cover 2 are provided with mutually connected conveying channels 14, the output end of the water pump 12 is connected to the conveying channel 14, the sealing cover 2 covers the The trough body 4 is provided with a sealing cover 2. When the sealing cover 2 is covered on the trough body 4, the open end of the sampling tube 1 can be sealed. The water sample to be tested pumped by the water pump 12 is delivered to the sampling tube 1 through the delivery channel 14. The delivery channel 14 includes a first channel 15 and a second channel 16. The first channel 15 is provided on the float 3. The second channel 16 is provided on the sealing cover 2. The first channel 15 is communicated with the second channel 16. The output end of the second channel 16 is located above the sampling tube 1. When the sealing cover 2 is covered on the trough body 4, the second channel 16 is connected to the sampling tube 1. 6 is correspondingly communicated with the first channel 15, a pull rope 17 is connected to the sealing cover 2, and the pull rope 17 can be used to pull the bottom of the device into the water from a high place to take samples, a water immersion sensor 18 is installed on the installation chamber 5, and the water immersion sensor 18 is electrically connected to the controller 19. The water immersion sensor 18 selects an electrode type water immersion sensor 18, and the controller 19 is electrically connected to the water pump 12. When the bottom of the device is into the water, the water immersion sensor 18 is in contact with the water, and the controller 19 controls the water pump 12 to start extracting water samples, which can avoid the water pump 12 from pumping empty and improve the service life of the water pump 12.

[0027] See also Figure 1The sealing cover 2 is connected with a rope winding assembly 20, and the rope winding assembly 20 includes a U-fixed plate 21, a drum 22 and a handle 23. The two ends of the U-fixed plate 21 are respectively fixed to the sealing cover 2, and the two ends of the drum 22 are respectively rotatably connected to the U-fixed plate 21, and the pull rope 17 can be rotatably wound up. The handle 23 is rotatably connected to the U-fixed plate 21 to facilitate the rotation of the drum 22, so that the drum 22 can be rotated to wind up the pull rope 17. One end of the pull rope 17 is wound around the drum 22, and the drum 22 is driven to rotate by the handle 23 to wind up the pull rope 17. The free end of the pull rope 17 passes through the U-fixed plate 21 and extends above it. The device can be lowered and balanced by the pull rope 17. The U-fixed plate 21 is rotatably connected with a handle 24.

[0028] The sealing cover 2 is provided with a plurality of screws 25 threadedly connected to the float 3 around the sealing cover 2, and the plurality of screws 25 are connected to a limiting plate 25. When the screws 25 are rotated to the point where they can no longer rotate downward, the limiting plate 25 faces one side of the sealing cover 2, and the sealing cover 2 is limited and fixed by the plurality of sealing plates.

[0029] A mounting plate 27 is fixed in the mounting chamber 5 by bolts, and the water pump 12 is mounted on the mounting plate 27 and is detachable, so that the water pump 12 can be easily removed and repaired.

[0030] When in use, the sampling tube 1 is placed in the tank body 4, the sealing cover 2 is covered on the tank body 4 to seal the open end of the sampling tube 1, and the filter cover 7 is pulled downward to make the filter cover 7 and the telescopic sampling tube 13 move downward to protrude the float 3, thereby increasing the area of ​​water filtered by the filter cover 7, and effectively avoiding blockage caused by too small a filtering area. The float 3 is lowered from a high place to the water surface of the sampling area through the pull rope 17, and the water immersion sensor 18 contacts the water to be turned on, and the controller 19 controls the water pump 12 to work, and the water in the area is sampled. The water is input into the sampling area through the telescopic sampling tube 13, the first channel 15 and the second channel 16 at one time. Sampling is carried out in the sample tube 1. After sampling is completed, the device is separated from the water surface by pulling the rope 17 up and down, the water immersion sensor 18 is disconnected, and the controller 19 controls the water pump 12 to stop working. The used device is placed on the ground, the support ring 10 contacts the ground, the filter cover 7 slides upward and is in the same plane with the support foot 6, and they jointly support the float 3. The handle 23 is turned to retract the pull rope 17, and the handle 24 is turned to facilitate the carrying of the device. When the sampling tube 1 needs to be taken out, the screw 25 is turned, the limit plate 25 faces outward, and the sealing cover 2 is opened to take out the sampling tube 1.

[0031] Example 2

[0032] See also Figure 2 and Figure 6The difference between this embodiment and embodiment 1 is that the filter cover 7 includes a filter cartridge 8 and a filter plate 9, and the filter cartridge 8 is slidably connected to the installation chamber 5. When sampling, the filter cartridge 8 slides downward, driving the lower end of the sampling tube to move downward, expanding the contact area between the sampling cartridge 1 and the water, and effectively avoiding blockage caused by the small area of ​​the filter cartridge 8. The periphery of the filter plate 9 is connected with a support ring 10. When the device is placed on the ground, the support ring 10 contacts the ground. Under the action of the support ring 10, the filter cartridge 8 moves upward for recovery. The upper end of the support ring 10 is provided with a slot 11, and the bottom of the filter cartridge 8 is inserted into the slot 11, which is convenient for removing the bottom filter plate 9 and repairing the water pump 12.

[0033] A metal block 29 is provided at the upper end of the filter cartridge 8, and an electromagnet 28 is installed in the side wall of the installation chamber 5. The electromagnet 28 cooperates with the metal block 29 to make the filter cover 7 slide and protrude from the installation chamber 5. The electromagnetic switch of the electromagnet 28 is electrically connected to the controller 19. After the water immersion sensor 18 contacts the water and is turned on, the controller 19 controls the electromagnet 28 to open through the electromagnetic switch, and the metal block 29 slides downward under the magnetic force of the electromagnet 28.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sampling device for sewage treatment, characterized in that: It includes a sampling tube, a sealing cover and a float. A trough body is provided in the float. The sampling tube is placed in the trough body. An installation chamber and a plurality of supporting legs are provided at the bottom of the float. The installation chamber is slidably connected with a filter cover. A water pump is installed in the installation chamber. The input end of the water pump is connected with a telescopic sampling tube. The end of the telescopic sampling tube is fixed on the filter cover. The float and the sealing cover are provided with mutually connected conveying channels. The output end of the water pump is connected with the conveying channel. The sealing cover is covered on the trough body. A pull rope is connected to the sealing cover. A water immersion sensor is installed on the installation chamber. The water immersion sensor is electrically connected to a controller. The controller is electrically connected to the water pump.

2. A sampling device for sewage treatment as claimed in claim 1, characterized in that: The sealing cover is connected to a rope winding assembly, which includes a U-fixing plate, a drum and a handle. The two ends of the U-fixing plate are respectively fixed to the sealing cover, and the two ends of the drum are respectively rotatably connected to the U-fixing plate. The handle is rotatably connected to the U-fixing plate to rotate the drum to reel in the pull rope. One end of the pull rope is wound around the drum, and the free end of the pull rope passes through the U-fixing plate and extends above it.

3. A sampling device for sewage treatment as claimed in claim 2, characterized in that: A handle is rotatably connected to the U fixing plate.

4. A sampling device for sewage treatment as claimed in claim 1, characterized in that: The delivery channel includes a first channel and a second channel, the first channel is arranged on the float, the second channel is arranged on the sealing cover, the first channel is communicated with the second channel, and the output end of the second channel is located above the sampling cylinder.

5. A sampling device for sewage treatment as claimed in claim 1, characterized in that: A plurality of screw rods threadedly connected to the floating body are arranged around the sealing cover, and the plurality of screw rods are connected to a limiting plate.

6. A sampling device for sewage treatment as claimed in claim 1, characterized in that: A mounting plate is fixed in the mounting chamber by bolts, and the water pump is mounted on the mounting plate.

7. A sampling device for sewage treatment as claimed in claim 1, characterized in that: The filter cover includes a filter cartridge and a filter plate. The filter cartridge is slidably connected to the installation chamber. The periphery of the filter plate is connected to a support ring. The upper end of the support ring is provided with a slot, and the bottom of the filter cartridge is inserted into the slot.

8. A sampling device for sewage treatment as claimed in claim 7, characterized in that: A metal block is provided at the upper end of the filter cartridge, and an electromagnet is installed in the side wall of the installation chamber. The electromagnet cooperates with the metal block to make the filter cover slide and protrude from the installation chamber, and the electromagnetic switch of the electromagnet is electrically connected to the controller.

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