CN215005338U - Chemical oxygen demand in-situ detector - Google Patents

Abstract

The application relates to the technical field of chemical oxygen demand detection equipment, in particular to a chemical oxygen demand in-situ detector, it includes the organism of sampling pipe and detector, be equipped with the waste pipe on the organism, be connected with the sample water pipe through the suction pump on detecting the organism, be equipped with the mounting panel that extends along the horizontal direction on the lateral wall of organism, it is connected with the (mixing) shaft that extends along vertical direction to rotate on the mounting panel, be equipped with the stirring leaf on the lateral wall of (mixing) shaft, the stirring leaf is located the below of mounting panel, be equipped with the motor on the mounting panel, the output shaft of motor is vertical setting and coaxial first gear that is equipped with, first gear engagement has the second gear, second gear and the coaxial setting of (mixing) shaft, the water intaking groove that runs through in the (mixing) shaft lower extreme is seted up to the upper end of (mixing) shaft, the one end of sample water pipe is connected with the cell wall rotation in water intaking groove, the application of force pole is worn to be equipped with in the slip on the (mixing) shaft, the lower extreme of application force pole is equipped with the closure plate that is used for contradicting the (mixing) shaft lower extreme and shields the water intaking groove. The method and the device can improve the accuracy of the detection data.

Description

Chemical oxygen demand in-situ detector

Technical Field

The application relates to the technical field of chemical oxygen demand detection equipment, in particular to a chemical oxygen demand in-situ detector.

Background

Chemical Oxygen Demand (COD) is short for COD, and means the amount of reducing substances needing to be oxidized in a water sample is measured by a Chemical method, and a COD in-situ detector (COD detector) is often required in modern municipal sewage import and export, process water detection and industrial water detection.

Current chemical oxygen demand in situ detector is including detecting the organism, it is connected with the sample water pipe to detect through the suction pump on the organism, still be provided with the waste water pipe that is used for discharging waste water on the organism, the workman need detect quality of water, the quality of water sample is placed with the sample pipe to the workman, it is intraductal to insert the sample water pipe into the sample again, the workman starts the suction pump, the suction pump drives the quality of water sample in the sample pipe and enters into the detection organism through the sample water pipe and detects, waste water after detecting the completion discharges through the waste water pipe again.

In the detection process, the uniformity and the representativeness of the water quality sample are very important, because the uniformity of the water quality sample detected in the sewage treatment is very poor, impurities such as mixed oil or suspended solids are left in the water quality sample when the water quality sample enters the detection machine body for detection due to long standing time and the like, and the accuracy of detection data is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy of detection data, the application provides a chemical oxygen demand in-situ detector.

The application provides a chemical oxygen demand in situ detector adopts following technical scheme: a chemical oxygen demand in-situ detector comprises a machine body of a sampling pipe and a detector, wherein a waste water pipe for discharging waste water is arranged on the machine body, a sampling water pipe is connected onto the detection machine body through a water suction pump, a mounting plate extending along the horizontal direction is arranged on the side wall of the machine body, a stirring shaft extending along the vertical direction is rotatably connected onto the mounting plate, stirring blades are arranged on the side wall of the stirring shaft and are positioned below the mounting plate, a motor is arranged on the mounting plate, an output shaft of the motor is vertically and coaxially provided with a first gear, the first gear is meshed with a second gear, the second gear is coaxially arranged with the stirring shaft, a water taking groove penetrating through the lower end of the stirring shaft is formed in the upper end of the stirring shaft, one end of the sampling water pipe is rotatably connected with the groove wall of the water taking groove, and a force applying rod is penetrated in the stirring shaft in a sliding manner, the lower end of the force application rod is provided with a sealing plate which is used for abutting against the lower end of the stirring shaft and shielding the water taking tank.

Through adopting above-mentioned technical scheme, when the workman need examine the quality of water sample time measuring, the workman contradicts the sampling pipe that is equipped with the quality of water sample in the below of mounting panel, make (mixing) shaft and stirring leaf stretch into in the sampling pipe, then workman starter motor, the output shaft rotation of motor drives the (mixing) shaft and rotates around its self axis, the (mixing) shaft drives the stirring leaf and smashes the stirring to the quality of water sample in the sampling pipe, thereby make the quality of water sample more even, the representativeness is stronger, then, the workman promotes the application of force pole, the application of force pole is at the epaxial slip grafting of (mixing) shaft, and drive the closing plate and keep away from in the (mixing) shaft, the workman restarts the suction pump, the suction pump drives the quality of water sample and passes through the basin in proper order, the sample water pipe enters into the organism and detects, thereby the accuracy of detection data has been improved.

Optionally, a guide rod is arranged on the sealing plate, a guide hole for the guide rod to be inserted in a sliding manner is formed in the lower end of the stirring shaft, and the axial direction of the guide rod is the same as the axial direction of the force application rod.

Through adopting above-mentioned technical scheme, when the workman used application of force pole, application of force pole slip grafting on the (mixing) shaft, application of force pole drove the closing plate and removes, and the closing plate drives the guide bar and slips grafting in the guiding hole to the stability of closing plate has been improved, makes the closing plate be difficult for taking place the dislocation with the notch of water intaking groove.

Optionally, the force application rod is sleeved with a spring for enabling the sealing plate to shield the water taking tank, one end of the spring is connected with the force application rod, the other end of the spring is connected with a rotating ring, the axis of the rotating ring is collinear with the axis of the force application rod, and the rotating ring is rotatably connected with the force application rod.

Through adopting above-mentioned technical scheme, when the notch of basin is got to the workman need be opened, the workman promotes the application of force pole, the emergence deformation of spring, the application of force pole slides on the (mixing) shaft and pegs graft, the application of force pole drives closing plate and (mixing) shaft separation, when the notch of basin is got to the workman need be closed, the workman loosens the application of force pole, the spring returns to natural state and promotes the application of force pole and removes for the closing plate shields in the notch of water getting groove, and then has improved the sealed effect of closing plate.

Optionally, the force application rod is rotatably connected with the closing plate, a limiting block is arranged on the side wall of the force application rod, a limiting groove for the limiting block to be slidably inserted into the stirring shaft is formed in the stirring shaft, the extending direction of the limiting groove is the same as the length direction of the force application rod, a clamping groove for the limiting block to rotate and clamp is formed in the groove wall of the limiting groove, and when the limiting block is clamped in the clamping groove, the closing plate is separated from the stirring shaft.

Through adopting above-mentioned technical scheme, when the notch of taking water groove need be opened to the workman, the workman promotes the application of force pole, the stopper slides in the spacing groove and pegs graft, until closing plate and (mixing) shaft separation back, the stopper is corresponding with the joint groove, the workman rotates the application of force pole, make the application of force pole rotatory around self axis, the application of force pole drives the stopper and rotates the joint at the joint inslot to make suction pump during operation, be difficult for driving the closing plate and shield taking water groove, made things convenient for the workman to use the closing plate.

Optionally, a sealing column for being inserted into the water taking tank is arranged on the sealing plate.

Through adopting above-mentioned technical scheme, when the closing plate shields in the water intaking groove, the closing plate drives sealed post and slides and pegs graft in the water intaking groove, has further improved the sealed effect of closing plate to the water intaking groove.

Optionally, slide along vertical direction on the organism lateral wall and be connected with the platform of placing that is used for placing the sampling pipe, place the below that the platform is located the mounting panel, be equipped with on the organism lateral wall and be used for driving the electric jar of placing the platform and moving along vertical direction.

Through adopting above-mentioned technical scheme, when needs stretch into the sampling pipe with the (mixing) shaft, the workman places the sampling pipe at placing the bench, then the workman starts the electric jar, and the piston rod of electric jar promotes to place the bench and along vertical direction upward movement, places the platform and drives the sampling pipe and make its opening conflict in the lower surface of mounting panel, and the (mixing) shaft stretches into in the sampling pipe this moment to made things convenient for the workman to stabilize the sampling pipe.

Optionally, a placing groove for inserting and placing the sampling tube is formed in the placing table.

Through adopting above-mentioned technical scheme, when the workman need place the sampling pipe on placing the bench, the workman inserts the sampling pipe in the standing groove to improved the location accuracy of sampling pipe, made things convenient for sampling pipe and (mixing) shaft to correspond each other, made things convenient for the workman to use the sampling pipe.

Optionally, a positioning rod is arranged on the groove wall of the placing groove, and a positioning groove for inserting the positioning rod is formed in the sampling pipe.

Through adopting above-mentioned technical scheme, when the workman inserted the sampling pipe in the standing groove, the locating lever slided to peg graft in the constant head tank to make the sampling pipe be difficult for taking place rotatoryly around self axis, improved the stability of sampling pipe when the (mixing) shaft is rotatory.

To sum up, the application comprises the following beneficial technical effects:

1. through the arrangement of the machine body, the water suction pump, the sampling water pipe, the mounting plate, the motor, the stirring shaft, the stirring blades, the water taking tank, the force applying rod and the sealing plate, workers can stir the water quality sample conveniently, the water quality sample is more uniform and has stronger representativeness, and the accuracy of detection data is improved;

2. through the arrangement of the guide rod and the guide hole, the stability of the sealing plate is improved, so that the sealing plate is not easy to be dislocated with the notch of the water taking groove;

3. the sealing effect of the sealing plate is improved by the arrangement of the spring and the rotating ring;

4. through the arrangement of the limiting block, the limiting groove and the clamping groove, the sealing plate is convenient for workers to use;

5. the sealing effect of the sealing plate is improved by the arrangement of the sealing columns;

6. the arrangement of the placing table and the electric cylinder is convenient for workers to use and stabilize the sampling tube;

7. through the setting of standing groove, locating lever, constant head tank, improved the stability of sampling pipe.

Drawings

FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;

FIG. 2 is a schematic sectional view showing a sampling tube, a stirring shaft, a stirring blade, and a water intake tank in the embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of the application for showing the force application rod, the force application block, the spring, the through groove, the closing plate, the guide rod, the guide hole and the sealing column;

FIG. 4 is a schematic cross-sectional view of the embodiment of the present application for illustrating a stopper, a stopper groove, a rotating ring, and a spring;

FIG. 5 is a schematic sectional view showing the structure of the engaging groove in the embodiment of the present application;

fig. 6 is a schematic sectional structure diagram showing the positioning rod, positioning groove, placement table, and placement groove in the embodiment of the present application.

Reference numerals: 1. a body; 11. a waste pipe; 12. a water pump; 13. sampling a water pipe; 2. mounting a plate; 21. a stirring shaft; 22. stirring blades; 23. a motor; 24. a first gear; 25. a second gear; 26. taking a water tank; 27. a groove is arranged in a penetrating way; 28. a force application rod; 281. a force application block; 29. a closing plate; 3. a guide bar; 31. a guide hole; 32. sealing the column; 4. a spring; 41. a rotating ring; 5. a limiting block; 51. a limiting groove; 52. a clamping groove; 6. a placing table; 61. an electric cylinder; 62. a placement groove; 63. positioning a rod; 7. a sampling tube; 71. and (6) positioning a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a chemical oxygen demand in-situ detector. As shown in fig. 1 and fig. 2, a chemical oxygen demand in-situ detector comprises a machine body 1 for placing a sampling pipe and a detector of a water quality sample, a water suction pump 12 and a waste water pipe 11 for discharging detected waste water are fixedly connected to the side wall of the machine body 1, a sampling water pipe 13 for sucking the water quality sample into the machine body 1 for detection is fixedly connected to the water suction pump 12, a horizontally arranged mounting plate 2 is fixedly connected to the side wall of the machine body 1, a stirring shaft 21 arranged along the vertical direction is rotatably connected to the mounting plate 2, a plurality of stirring blades 22 are fixedly connected to the side wall of the stirring shaft 21, all the stirring blades 22 are located below the mounting plate 2, a water taking groove 26 extending along the vertical direction is formed in the upper end of the stirring shaft 21, the water taking groove 26 penetrates through the lower end surface of the stirring shaft 21, the water taking groove 26 at the upper end of the stirring shaft 21 is rotatably connected to the sampling water pipe 13, coaxial fixedly connected with second gear 25 on the lateral wall of (mixing) shaft 21, second gear 25 meshes has first gear 24, the axial of first gear 24 is the same with the axial of (mixing) shaft 21, fixedly connected with motor 23 on mounting panel 2, the output shaft and the coaxial fixed connection of first gear 24 of motor 23, fixedly connected with along the electric jar 61 of vertical setting on the organism 1, fixedly connected with is used for placing the platform 6 of placing of sampling pipe on the piston rod of electric jar 61.

As shown in fig. 3 and 3, a through groove 27 extending in the vertical direction is formed at the upper end of the stirring shaft 21, the through groove 27 penetrates through the lower end surface of the stirring shaft 21, a force applying rod 28 is slidably inserted in the through groove 27, the lower end of the force applying rod 28 protrudes out of the lower end of the stirring shaft 21 and is rotatably connected with a closing plate 29, and the upper end of the force applying rod 28 protrudes out of the upper end of the stirring shaft 21 and is fixedly connected with a force applying block 281.

When the workman need examine the quality of water sample time measuring, the workman puts into the sampling pipe with the quality of water sample earlier, place the sampling pipe again on placing platform 6, the workman starts electric jar 61, the piston rod promotion of electric jar 61 is placed platform 6 and is followed vertical direction motion, it drives the upper end opening of sampling pipe and supports tightly in the lower surface of mounting panel 2 to place platform 6, make (mixing) shaft 21 and stirring leaf 22 stretch into in the sampling pipe, the axis of (mixing) shaft 21 and the axis collineation of sampling pipe this moment, closing plate 29 supports tightly in the lower terminal surface of (mixing) shaft 21 this moment, closing plate 29 will get the notch of basin 26 and shield.

Then, the worker starts the motor 23, the output shaft of the motor 23 rotates, the output shaft of the motor 23 drives the first gear 24 to rotate around the axis of the first gear 24, the first gear 24 drives the second gear 25 to rotate around the axis of the second gear 25, the second gear 25 drives the stirring shaft 21 to rotate, so that the stirring shaft 21 is driven to rotate around the axis of the second gear, and the stirring shaft 21 drives the stirring blade 22 to smash and stir the water quality sample in the sampling pipe.

Then, the worker presses the force application block 281 again, the force application block 281 drives the force application rod 28 to slide in the through groove 27, the force application rod 28 pushes the closing plate 29 to be far away from the stirring shaft 21, the notch of the water taking groove 26 is exposed, the worker starts the water suction pump 12, the water suction pump 12 drives the water quality sample in the sampling pipe to sequentially pass through the water taking groove 26 and the sampling water pipe 13 and enter the machine body 1, and therefore the detected water quality sample is more uniform and representative, and the accuracy of detection data is improved.

As shown in fig. 3, the upper surface of the closing plate 29 is fixedly connected with the guide rod 3 which is vertically arranged, and the lower end surface of the stirring shaft 21 is provided with a guide hole 31 for the guide rod 3 to be inserted and connected in a sliding manner, so that the closing plate 29 is not easy to be dislocated with the notch of the water intake groove 26, and the closing plate 29 is ensured to move along the vertical direction.

As shown in fig. 4 and 5, fixedly connected with stopper 5 on the lateral wall of application of force pole 28, wear to set up the spacing groove 51 that supplies stopper 5 slip grafting on the cell wall of groove 27, joint groove 52 has been seted up on the cell wall of spacing groove 51, when the workman pressed application of force pole 28, stopper 5 slides in spacing groove 51 and pegs graft, when closing plate 29 and (mixing) shaft 21 separate, stopper 5 corresponds with joint groove 52, the workman rotates application of force pole 28, application of force pole 28 drives stopper 5 and rotates the joint in joint groove 52, thereby make the water quality sample difficult promotion closing plate 29 shield the notch that gets water tank 26 when getting into in the water tank 26, the stability of closing plate 29 has been improved.

As shown in fig. 3 and 4, the upper end of the stirring shaft 21 is rotatably connected with a rotating ring 41, the rotating ring 41 is sleeved on the force applying rod 28, and the axis of the rotating ring 41 is collinear with the axis of the force applying rod 28, the fixed sleeve of the force applying rod 28 is provided with a spring 4, one end of the spring 4 is fixedly connected to the force applying rod 28, and the other end of the spring 4 is fixedly connected to the rotating ring 41, when a worker presses the force applying block 281, the force applying rod 28 slides in the through groove 27, the spring 4 deforms, when the worker rotates the force applying rod 28, the rotating ring 41 rotates around the axis of the force applying rod 28 until the limiting block 5 is located in the limiting groove 51 and the worker releases the force applying rod 28, the spring 4 returns to a natural state and pushes the force applying rod 28 to move upwards in a vertical direction, so that the closing plate 29 shields the notch of the water taking tank 26, thereby improving the sealing effect on the notch of the water taking tank 26.

As shown in fig. 3, a sealing post 32 is fixedly connected to the upper surface of the closing plate 29, and when the closing plate 29 abuts against the lower end of the stirring shaft 21, the sealing post 32 is inserted into the water intake groove 26, thereby further improving the sealing effect on the opening of the water intake groove 26.

As shown in fig. 6, a placing groove 62 extending in the vertical direction is formed in the upper surface of the placing table 6, and when a worker places a sampling tube, the worker inserts the sampling tube into the placing groove 62, so that the axis of the stirring shaft 21 is collinear with the axis of the sampling tube, the relative positions of the worker for positioning the sampling tube and the stirring shaft 21 are reduced, and the worker can use the sampling tube conveniently.

As shown in fig. 6, fixedly connected with a plurality of locating lever 63 that extends along vertical direction on the cell wall of standing groove 62, a plurality of constant head tank 71 has been seted up to the lower extreme of sampling pipe, constant head tank 71 and locating lever 63 one-to-one, when the workman inserts the sampling pipe in standing groove 62, the workman corresponds locating lever 63 and constant head tank 71, make locating lever 63 slide and peg graft in constant head tank 71, thereby it is difficult for the sampling pipe to rotate around the axis of self when (mixing) shaft 21 is rotatory, and then improved the stability of sampling pipe.

The implementation principle of the chemical oxygen demand in-situ detector in the embodiment of the application is as follows: when the workman need detect the quality of water sample, at first, the workman takes a certain amount of quality of water sample with the sampling pipe, the workman pegs graft the sampling pipe in standing groove 62 again for locating lever 63 slides and pegs graft in constant head tank 71, the workman starts electric jar 61, the piston rod of electric jar 61 extends along vertical direction, drive the sampling pipe along vertical direction upward movement, make (mixing) shaft 21 and stirring leaf 22 stretch into in the sampling pipe, the upper end opening until the sampling pipe supports tightly in the lower surface of mounting panel 2.

Then, the worker starts the motor 23, the output shaft of the motor 23 drives the first gear 24 to rotate, the first gear 24 is meshed with the second gear 25, so that the stirring shaft 21 is driven to rotate around the axis of the first gear, the stirring shaft 21 drives the stirring blade 22 to smash and stir the water quality sample in the sampling pipe, and the motor 23 is turned off after the stirring is completed.

Then, the worker presses the force application block 281, the force application block 281 drives the force application rod 28 to slide in the penetrating groove 27, the spring 4 deforms, the limit block 5 slides in the limit groove 51, until the limit block 5 corresponds to the clamping groove 52, the closing plate 29 is separated from the stirring shaft 21, the sealing column 32 is separated from the water taking groove 26, the guide rod 3 slides in the guide hole 31, the worker rotates the force application rod 28, the limit block 5 is enabled to be rotatably clamped in the clamping groove 52, and at the moment, the rotating ring 41 rotates around the axis of the force application rod 28.

Then, the worker starts the water pump 12, the water pump 12 drives the water quality sample to enter the water taking tank 26 and enter the machine body 1 through the sampling water pipe 13 for detection, the worker rotates the force applying rod 28 again to enable the limiting groove 51 to be separated from the clamping groove 52, the worker loosens the force applying rod 28, the spring 4 returns to a natural state and pushes the force applying rod 28 to slide in the penetrating groove 27, and the closing plate 29 enables the notch of the water taking tank 26 to be covered again.

Thereby made things convenient for the workman to smash the stirring to the quality of water sample according to above-mentioned action to the quality of water sample that makes the detection is more even, and is more representative, has improved the accuracy of testing data.

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: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a chemical oxygen demand in situ detector, includes organism (1) of sampling pipe and detector, be equipped with waste water pipe (11) that are used for discharging waste water on organism (1), be connected with sample water pipe (13), its characterized in that through suction pump (12) on organism (1): the utility model discloses a stirring machine, including organism (1), be equipped with on the lateral wall of organism (1) along the mounting panel (2) of horizontal direction extension, rotating connection has (mixing) shaft (21) of vertical direction extension on mounting panel (2), be equipped with stirring leaf (22) on the lateral wall of (mixing) shaft (21), stirring leaf (22) are located the below of mounting panel (2), be equipped with motor (23) on mounting panel (2), the output shaft of motor (23) is vertical setting and coaxial first gear (24) of being equipped with, first gear (24) meshing has second gear (25), second gear (25) and (mixing) shaft (21) coaxial arrangement, the upper end of (mixing) shaft (21) is seted up and is run through in the basin of getting (mixing) shaft (21) lower extreme (26), the one end of sample water pipe (13) is connected with the cell wall rotation of getting basin (26) is connected, sliding on (mixing) shaft (21) is worn to be equipped with application of force pole (28), the lower end of the force application rod (28) is provided with a closing plate (29) which is used for abutting against the lower end of the stirring shaft (21) and shielding the water taking tank (26).

2. The in-situ chemical oxygen demand detector according to claim 1, wherein: the sealing plate (29) is provided with a guide rod (3), the lower end of the stirring shaft (21) is provided with a guide hole (31) for the guide rod (3) to be inserted in a sliding mode, and the axial direction of the guide rod (3) is the same as that of the force application rod (28).

3. The in-situ chemical oxygen demand detector according to claim 2, wherein: the water taking tank (26) is sleeved with a spring (4) for enabling a closing plate (29) to shield the water taking tank (26), one end of the spring (4) is connected with the force applying rod (28), the other end of the spring (4) is connected with a rotating ring (41), the axis of the rotating ring (41) is collinear with the axis of the force applying rod (28), and the rotating ring (41) is rotatably connected with the force applying rod (28).

4. The in-situ chemical oxygen demand detector according to claim 3, wherein: force application pole (28) with closing plate (29) rotate to be connected, be equipped with stopper (5) on the lateral wall of force application pole (28), offer on (mixing) shaft (21) and supply stopper (5) slip spacing groove (51) of pegging graft, the extending direction of spacing groove (51) is the same with the length direction of force application pole (28), offer on the cell wall of spacing groove (51) and supply stopper (5) to rotate joint groove (52), when stopper (5) joint is in joint groove (52), closing plate (29) with (mixing) shaft (21) separation.

5. The in-situ chemical oxygen demand detector according to claim 1, wherein: the sealing plate (29) is provided with a sealing column (32) which is inserted in the water taking tank (26).

6. The in-situ chemical oxygen demand detector according to claim 1, wherein: the sampling tube placing device is characterized in that a placing table (6) used for placing a sampling tube is connected to the side wall of the machine body (1) in a sliding mode along the vertical direction, the placing table (6) is located below the mounting plate (2), and an electric cylinder (61) used for driving the placing table (6) to move along the vertical direction is arranged on the side wall of the machine body (1).

7. The in-situ chemical oxygen demand detector according to claim 6, wherein: and a placing groove (62) for inserting and placing the sampling tube is formed in the placing table (6).

8. The in-situ chemical oxygen demand detector according to claim 7, wherein: and a positioning rod (63) is arranged on the groove wall of the placing groove (62), and a positioning groove (71) for inserting the positioning rod (63) is formed in the sampling pipe.

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