Chemical oxygen demand tester calibration equipment for wastewater monitoring

Abstract

The utility model belongs to the technical field of wastewater monitoring equipment, and particularly relates to chemical oxygen demand tester calibration equipment for wastewater monitoring, which comprises a shell, a partition plate, a plurality of volumetric flasks, a stirring component, a hopper, a feeding component, a driving component, a supporting and guiding component, a digester, a plurality of test tubes, a plurality of heating seats and an adjusting component, the partition plate is fixedly installed on the inner side wall of the shell, the volumetric flasks are all fixedly installed on the top side of the partition plate, the stirring assembly is arranged on the inner wall of the top of the shell and matched with the volumetric flasks, and the driving assembly is arranged on the shell and connected with the stirring assembly. The feeding assembly is arranged above the shell and connected with the stirring assembly, and the hopper is arranged on the top of the shell and connected with the stirring assembly. The device is reasonable in design, can efficiently prepare and manufacture a standard solution, is convenient to take and place the solution and a sample, and has the advantages of simple structure, convenience in operation and high calibration precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater monitoring equipment technical field especially relates to a wastewater monitoring is with chemical oxygen demand appearance calibrating equipment. BACKGROUND

[0002] With the rapid development of industry, the influence of wastewater discharge on the environment is increasingly concerned. As an important indicator of measuring the content of organic matter in wastewater, the accurate determination of chemical oxygen demand (COD) is crucial for wastewater monitoring and environmental protection. Chemical oxygen demand appearance is widely used in wastewater monitoring work, in order to ensure the accuracy and reliability of its measurement data, the appearance needs to be calibrated regularly.

[0003] The traditional chemical oxygen demand appearance calibrating equipment has many drawbacks. When the existing calibration equipment calibrates the chemical oxygen demand appearance, the operator usually needs to manually configure the standard solution, which is relatively cumbersome to operate, and is limited by human factors. Not only does it need to be operated by professional technicians, but it is also prone to errors, which not only increases the calibration cost, but also reduces the calibration efficiency, making it difficult to meet the increasingly stringent requirements of wastewater monitoring.

[0004] Therefore, the utility model provides a chemical oxygen demand appearance calibrating equipment for wastewater monitoring to solve the above problems.

[0005] The information disclosed in this background section is intended only to increase an understanding of the general context of the present utility model, and should not be taken as an acknowledgement or any form of suggestion that this information forms part of the prior art that is already known to those skilled in the art. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the shortcomings mentioned in the background, and provides a chemical oxygen demand appearance calibrating equipment for wastewater monitoring.

[0007] The above technical purpose of the utility model is realized by the following technical scheme: a chemical oxygen demand appearance calibrating equipment for wastewater monitoring, comprising a shell, a partition plate, a plurality of volumetric flasks, a stirring assembly, a hopper, a feeding assembly, a driving assembly, a support guide assembly, a digestion device, a plurality of test tubes, a plurality of heating seats and an adjusting assembly.

[0008] The partition plate is fixedly installed on the inner side wall of the shell, the plurality of volumetric flasks are fixedly installed on the top side of the partition plate, the stirring assembly is arranged on the top inner wall of the shell and is matched with the plurality of volumetric flasks, the driving assembly is arranged on the shell and is connected with the stirring assembly, the feeding assembly is arranged above the shell and is connected with the stirring assembly, the hopper is arranged on the top of the shell and is connected with the stirring assembly, the digestion device is arranged in the shell, the supporting and guiding assembly is arranged on the inner side wall of the shell and is connected with the digestion device, the adjusting assembly is arranged on the supporting and guiding assembly and is connected with the digestion device, one side of the shell is provided with an arc-shaped opening, an arc-shaped plate connected with the supporting and guiding assembly is clamped and installed in the arc-shaped opening, the bottom of each volumetric flask is fixedly installed with a vertical pipe, a quantitative valve two is fixedly installed on each vertical pipe, a plurality of test tubes are arranged on the top of the digestion device and are located directly below the corresponding vertical pipes, and a plurality of heating seats are arranged on the digestion device and are respectively connected with the corresponding test tubes.

[0009] Preferably, the stirring assembly comprises a plurality of hollow shafts and a plurality of stirring rods, a plurality of hollow shafts are rotatably installed on the top inner wall of the shell, the bottom ends of the plurality of hollow shafts respectively extend into the corresponding volumetric flasks, a plurality of stirring rods are fixedly installed on the hollow shafts, and a plurality of through holes are formed in the hollow shafts.

[0010] Preferably, the stirring rod is hollow and is in communication with the hollow shaft.

[0011] Preferably, the feeding assembly comprises a plurality of conveying pipes, a plurality of quantitative valves one and a supporting ring, the supporting ring is fixedly installed on the top of the shell, a plurality of conveying pipes are fixedly installed on the supporting ring, a quantitative valve one is fixedly installed on each conveying pipe, the bottom end of each conveying pipe is sealingly rotatably installed in the corresponding hollow shaft, and the top end of each conveying pipe is in communication with the hopper.

[0012] Preferably, the driving assembly comprises a motor one, a gear one and a toothed disc one, the motor one is fixedly installed on the top of the shell, the output shaft of the motor one extends into the shell and is fixedly sleeved with the gear one, the toothed disc one is rotatably installed on the top inner wall of the shell, a plurality of linkage gears are fixedly sleeved on the plurality of hollow shafts, the plurality of linkage gears are engaged with the toothed disc one, and the gear one is engaged with one of the linkage gears.

[0013] Preferably, the supporting and guiding assembly comprises a supporting plate and a guiding plate, the guiding plate is fixedly installed on the inner wall of the shell, the supporting plate is slidingly installed on the guiding plate, the digestion device is rotatably installed on the top side of the supporting plate, and the arc-shaped plate is fixedly connected with the supporting plate.

[0014] Preferably, the supporting and guiding assembly further comprises four stoppers, the four stoppers are fixedly installed on the guiding plate and slidingly contact the supporting plate.

[0015] Preferably, the adjusting assembly comprises a motor two, a toothed disc two and a gear two, the motor two is fixedly installed on the support plate, the gear two is fixedly sleeved on the output shaft of the motor two, the toothed disc two is fixedly installed on the dissolver, and the gear two is engaged with the gear two.

[0016] Preferably, the motor two is a servo motor.

[0017] Preferably, a handle is fixedly installed on the outer arc surface of the arc surface plate.

[0018] The beneficial effects of the utility model are:

[0019] The cooperation of the shell, the partition plate, the plurality of volumetric flasks, the stirring assembly, the hopper, the feeding assembly, the driving assembly, the support guiding assembly, the dissolver, the plurality of test tubes, the plurality of heating seats and the adjusting assembly can efficiently prepare and manufacture the standard solution when calibrating the chemical oxygen demand measuring instrument, the prepared standard solution for the chemical oxygen demand measuring instrument can be conveniently taken out from the shell, the structure is simple, the operation is convenient, professional technical personnel are not needed to operate, the calibration cost is reduced, the calibration efficiency is improved, the calibration precision is high, the increasingly strict wastewater monitoring requirement can be met, the arc surface plate and the handle are arranged, the support plate and the dissolver can be conveniently controlled to enter and exit the arc-shaped opening by the operator, the test tube can be conveniently taken and placed by the operator, and the practicality and convenience of the calibration equipment are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by the ordinary skilled in the art without creating labor.

[0021] Figure 1 A three-dimensional structure schematic view of a chemical oxygen demand measuring instrument calibration equipment for wastewater monitoring is provided in the utility model.

[0022] Figure 2 A sectional structure schematic view is provided. Figure 1

[0023] Figure 3 A local three-dimensional structure schematic view of a hopper, a driving assembly, a stirring assembly and a feeding assembly is provided in the utility model.

[0024] Figure 4 A structure schematic view of a dissolver, a test tube, a heating seat and an adjusting assembly part is provided in the utility model.

[0025] Figure 5 ​The utility model provides a capacity bottle, vertical tube and quantitative valve two part structure schematic drawing that the utility model provides is shown in the figure.

[0026] Figure 6 The utility model provides an arc surface board and support guide component part structure schematic drawing that the utility model provides is shown in the figure.

[0027] In the figure: 1, shell, 11, baffle, 12, support ring, 13, conveying pipe, 131, quantitative valve one, 14, hopper, 2, capacity bottle, 21, vertical tube, 22, quantitative valve two, 3, hollow shaft, 301, stirring rod, 31, motor one, 32, gear one, 33, linkage gear, 34, toothed disc one, 4, support plate, 41, guide plate, 42, arc surface board, 5, digester, 51, toothed disc two, 52, motor two, 53, gear two, 6, test tube, 7, heating seat. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be described below in connection with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0029] REFERENCE Figures 1-6 A kind of chemical oxygen demand measuring instrument calibration equipment for wastewater monitoring, including shell 1, baffle 11, multiple capacity bottles 2, hopper 14, digester 5, multiple test tubes 6 and multiple heating seats 7, baffle 11 is fixedly installed on the inner side wall of shell 1, multiple capacity bottles 2 are all fixedly installed on the top side of baffle 11, multiple hollow shafts 3 are rotationally installed on the top inner wall of shell 1, the bottom end of multiple hollow shafts 3 extends to corresponding capacity bottle 2 respectively, multiple stirring rods 301 are fixedly installed on hollow shaft 3, and multiple through holes are formed in hollow shaft 3, solution in capacity bottle 2 can be stirred when hollow shaft 3 rotates, wherein, to be able to cooperate through hole and be dispersed quickly in capacity bottle 2 by the solution that enters capacity bottle 2 in hollow shaft 3, stirring rod 301 is hollow and keeps intercommunication state with hollow shaft 3;

[0030] The top of the shell 1 is fixedly installed with a motor 31, the output shaft of the motor 31 extends into the shell 1 and is fixedly sleeved with a gear 32, the inner wall of the top of the shell 1 is rotatably installed with a toothed disc 34, a plurality of hollow shafts 3 are fixedly sleeved with linkage gears 33, the plurality of linkage gears 33 are engaged with the toothed disc 34, and the gear 32 is engaged with one of the linkage gears 33, so that the plurality of hollow shafts 3 can be controlled to rotate synchronously, the top of the shell 1 is fixedly installed with a support ring 12, a plurality of conveying pipes 13 are fixedly installed on the support ring 12, a plurality of quantitative valves 131 are fixedly installed on the plurality of conveying pipes 13, the bottom ends of the plurality of conveying pipes 13 are rotatably installed in the corresponding hollow shafts 3, a hopper 14 is arranged above the shell 1 and is in communication with the top ends of the plurality of conveying pipes 13, and the required solution can be added to different volumetric flasks 2 as needed.

[0031] The digester 5 is arranged in the shell 1, the inner wall of the shell 1 is fixedly installed with a guide plate 41, the guide plate 41 is slidably installed with a support plate 4, the digester 5 is rotatably installed on the top side of the support plate 4, and the cambered plate 42 is fixedly connected with the support plate 4, so as to provide support for the digester 5 and facilitate the control of the digester 5 to enter and exit the shell 1 from the arc-shaped opening, four stoppers are fixedly installed on the guide plate 41 and are in sliding contact with the support plate 4, so as to ensure that the support plate 4 stably slides under the action of the guide plate 41.

[0032] The support plate 4 is fixedly installed with a motor 52, the output shaft of the motor 52 is fixedly sleeved with a gear 53, the digester 5 is fixedly installed with a toothed disc 51, and the gear 53 is engaged with the gear 53, so as to control the rotation of the digester 5 as needed, thereby adjusting the positional relationship between the plurality of test tubes 6 and any vertical pipe 21, and facilitating the addition of the required solution into any test tube 6 through any vertical pipe 21.

[0033] An arc-shaped opening is formed in one side of the shell 1, an arc-shaped plate connected with the support and guide assembly is detachably installed in the arc-shaped opening, the bottom of each volumetric flask 2 is fixedly installed with a vertical pipe 21, the vertical pipe 21 is fixedly installed with a quantitative valve 22, the plurality of test tubes 6 are arranged on the top of the digester 5 and are located directly below the corresponding vertical pipe 21, and the plurality of heating seats 7 are arranged on the digester 5 and are connected with the corresponding test tubes 6.

[0034] In this embodiment, in order to ensure the accuracy of the position adjustment of the test tubes 6 and the vertical pipes 21, the motor 52 is a servo motor.

[0035] In this embodiment, in order to facilitate the control of the support plate 4 and the digester 5 to enter and exit the arc-shaped opening, thereby facilitating the operator to take and place the test tubes 6, a handle is fixedly installed on the outer cambered surface of the cambered plate 42.

[0036] The circuits, electronic components and module mechanisms involved are all of the prior art, and can be implemented by those skilled in the art without further description. The content protected by the present application does not involve improvements to software, circuits and methods.

[0037] Working principle: in use, first turn on the power, drive the gear one 32 to rotate through the motor one 31, the gear one 32 drives the synchronous rotation of the meshing linkage gear 33, because multiple linkage gears 33 are meshed with the gear disc one 34, so the gear disc one 34 will rotate synchronously, in turn drive all hollow shafts 3 to rotate synchronously, the rotation of the hollow shaft 3 drives the stirring rod 301 to stir the solution in the volumetric flask 2, to ensure uniform mixing of the solution.

[0038] At the same time, the operator can add the required solution to different conveying pipes 13 through the hopper 14 according to the calibration requirements, because the bottom end of the conveying pipe 13 is sealingly and rotatably installed in the corresponding hollow shaft 3, when the hollow shaft 3 rotates, the conveying pipe 13 remains stationary, the solution enters the corresponding hollow shaft 3 through the quantitative valve one 131 to control the flow, and is quickly dispersed into the volumetric flask 2 through the hollow stirring rod 301 and multiple through holes.

[0039] After the solution is prepared, the operator can drive the gear two 53 to rotate by controlling the motor two 52, the gear two 53 is meshed with the gear disc two 51, drives the rotation of the digester 5, the rotation of the digester 5 can adjust the positional relationship between the multiple test tubes 6 and any vertical pipe 21, so that the solution in the vertical pipe 21 can be accurately injected into the corresponding test tube 6.

[0040] Subsequently, the operator can open the quantitative valve two 22, so that the solution in the volumetric flask 2 flows into the required test tube 6 through the vertical pipe 21, because the test tube 6 is clamped and installed on the digester 5, the digester 5 can heat and digest the solution in the test tube 6 to simulate the digestion conditions in the chemical oxygen demand determination process.

[0041] The heating seat 7 provides a stable heating environment for the test tube 6, to ensure the uniformity and accuracy of the digestion process, after the digestion is completed, the operator can control the support plate 4 and the digester 5 to move out of the shell 1 through the handle, to facilitate the operator to take and place the test tube 6 for subsequent calibration operation.

[0042] The chemical oxygen demand meter calibration device for wastewater monitoring provided by the present application is described in detail above. The principles and implementation methods of the present application are described in this paper by applying specific examples. The above examples are only used to help understand the method and core idea of the present application. It should be pointed out that for ordinary skilled persons in the technical field, without departing from the principles of the present application, the present application can be improved and modified in many ways, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A calibration device for a chemical oxygen demand meter for wastewater monitoring, characterized in that, The utility model provides a digestion device, including shell (1), baffle (11), a plurality of volumetric flask (2), stirring subassembly, hopper (14), feeding subassembly, drive subassembly, support guide subassembly, digester (5), a plurality of test tube (6), a plurality of heating seat (7) and adjusting subassembly; The baffle (11) is fixedly installed on the inner side wall of the shell (1), a plurality of volumetric flasks (2) are fixedly installed on the top side of the baffle (11), the stirring subassembly is arranged on the top inner wall of the shell (1) and is matched with the plurality of volumetric flasks (2), the drive subassembly is arranged on the shell (1) and is connected with the stirring subassembly, the feeding subassembly is arranged above the shell (1) and is connected with the stirring subassembly, the hopper (14) is arranged on the top of the shell (1) and is connected with the stirring subassembly, the digester (5) is arranged in the shell (1), the support guide subassembly is arranged on the inner side wall of the shell (1) and is connected with the digester (5), the adjusting subassembly is arranged on the support guide subassembly and is connected with the digester (5), an arc-shaped opening is formed in one side of the shell (1), an arc-shaped plate connected with the support guide subassembly is clamped and installed in the arc-shaped opening, vertical pipes (21) are fixedly installed at the bottom of the plurality of volumetric flasks (2), quantitative valves two (22) are fixedly installed on the plurality of vertical pipes (21), a plurality of test tubes (6) are arranged on the top of the digester (5) and are located directly below the corresponding vertical pipes (21), a plurality of heating seats (7) are arranged on the digester (5) and are respectively connected with the corresponding test tubes (6).

2. The calibration device for a chemical oxygen demand meter for wastewater monitoring according to claim 1, characterized in that: The stirring subassembly includes a plurality of hollow shafts (3) and a plurality of stirring rods (301), a plurality of hollow shafts (3) are rotatably installed on the top inner wall of the shell (1), the bottom ends of the plurality of hollow shafts (3) respectively extend into the corresponding volumetric flasks (2), a plurality of stirring rods (301) are fixedly installed on the hollow shafts (3), and a plurality of through holes are formed in the hollow shafts (3).

3. The calibration device for a chemical oxygen demand meter for wastewater monitoring according to claim 2, characterized in that: The stirring rod (301) is hollow and is in communication with the hollow shaft (3).

4. The calibration device for a chemical oxygen demand meter for wastewater monitoring according to claim 2, characterized in that: The feeding subassembly includes a plurality of conveying pipes (13), a plurality of quantitative valves one (131) and a support ring (12), the support ring (12) is fixedly installed on the top of the shell (1), a plurality of conveying pipes (13) are fixedly installed on the support ring (12), quantitative valves one (131) are fixedly installed on the plurality of conveying pipes (13), the bottom ends of the plurality of conveying pipes (13) are sealingly rotatably installed in the corresponding hollow shafts (3), and the top ends of the plurality of conveying pipes (13) are in communication with the hopper (14).

5. The calibration device for a chemical oxygen demand meter for wastewater monitoring according to claim 2, characterized in that: The drive subassembly includes a motor one (31), a gear one (32) and a toothed disc one (34), the motor one (31) is fixedly installed on the top of the shell (1), the output shaft of the motor one (31) extends into the shell (1) and is fixedly sleeved with the gear one (32), the toothed disc one (34) is rotatably installed on the top inner wall of the shell (1), a plurality of linkage gears (33) are fixedly sleeved on the plurality of hollow shafts (3), the plurality of linkage gears (33) are engaged with the toothed disc one (34), and the gear one (32) is engaged with one of the linkage gears (33).

6. The calibration device for a chemical oxygen demand meter for wastewater monitoring according to claim 1, characterized in that: The support and guide assembly comprises a support plate (4) and a guide plate (41), the inner wall of the shell (1) is fixedly provided with the guide plate (41), the support plate (4) is slidingly arranged on the guide plate (41), the digester (5) is rotatably arranged on the top side of the support plate (4), and the cambered plate (42) is fixedly connected with the support plate (4).

7. The device for calibrating a chemical oxygen demand meter for wastewater monitoring according to claim 6, characterized in that: The support and guide assembly further comprises four stoppers, the four stoppers are fixedly arranged on the guide plate (41) and slidingly contact with the support plate (4).

8. The calibration device for a chemical oxygen demand meter for wastewater monitoring according to claim 6, characterized in that: The adjusting assembly comprises a second motor (52), a second toothed disc (51) and a second gear (53), the second motor (52) is fixedly arranged on the support plate (4), the output shaft of the second motor (52) is fixedly provided with the second gear (53), the second toothed disc (51) is fixedly arranged on the digester (5), and the second gear (53) is engaged with the second toothed disc (51).

9. The device for calibrating a chemical oxygen demand meter for wastewater monitoring according to claim 8, characterized in that: The second motor (52) is a servo motor.

10. The calibration device for a chemical oxygen demand meter for wastewater monitoring according to claim 6, characterized in that: A handle is fixedly arranged on the outer cambered surface of the cambered plate (42).

Images