CN211013770U

CN211013770U - Chemical oxygen demand analyzer

Info

Publication number: CN211013770U
Application number: CN201921629002.1U
Authority: CN
Inventors: 张国辉; 刘江峰; 王帅
Original assignee: Nanjing Zhongshui Online Environmental Technology Co ltd
Current assignee: Nanjing Zhongshui Online Environmental Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-14
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a chemical oxygen demand analyzer, including the reaction box, reaction box inner wall one side fixed mounting has temperature controller, the utility model discloses the beneficial effect who reaches is: the utility model relates to a chemical oxygen demand analyzer, and through control display control temperature controller, make the solution temperature control in its reaction box in the specified scope, reach best reaction temperature, make its reaction effect show more, and detect through the gas sensor gas in its reaction box, and feed back the testing result to control display and automatic storage record result, open through control display control solenoid valve three after the completion and discharge solution, compare with current device, this device simple structure, the simple operation, make the device leakproofness reinforcing make the enhancement of measurement structure accuracy in the use, and make reaction rate accelerate, practice thrift measuring time, the practicality of device has been improved.

Description

Chemical oxygen demand analyzer

Technical Field

The utility model relates to a chemical oxygen demand analyzer belongs to water quality analysis equipment technical field.

Background

The automatic analyzer for Chemical Oxygen Demand (COD) water quality is divided into a spectrophotometric method, a rapid digestion method and a rapid digestion spectrophotometric method according to the measuring method, and the three methods are all based on that a mixed solution of a water sample and a reagent is subjected to high-temperature reaction in a digestion device, and then a detection sensing signal is obtained through a spectrophotometer, so that the digestion device is the core of the whole instrument and directly influences the accuracy and stability of a measuring result.

The existing digestion device is complex in structure and complex in operation, is often in a high-low temperature alternative state in the using process, directly influences the accuracy of a measuring result, is poor in sealing performance under high temperature and high pressure, low in reaction efficiency and long in measuring time, and accordingly the device is low in practicability.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a chemical oxygen demand analyzer.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a chemical oxygen demand analyzer, including the reaction box, reaction box inner wall one side fixed mounting has temperature controller, fixed mounting has gas sensor on the lateral wall of temperature controller upper end reaction box top, mixing mechanism is installed to gas sensor one side, mixing mechanism upper end reaction box top edge installs feed mechanism one and feed mechanism two respectively, drop feed mechanism is installed to two one sides reaction box lateral wall bottoms of feed mechanism, fixed mounting has the control display on drop feed mechanism one side reaction box lateral wall.

As an optimal technical scheme of the utility model, mixing mechanism includes the motor, the perpendicular fixed connection of motor is on reaction box top inner wall, motor output end fixed connection (mixing) shaft, just symmetry fixed mounting has the stirring rake on the (mixing) shaft.

As the utility model discloses a preferred technical scheme, a feed mechanism includes the water container, the perpendicular fixedly connected with raceway of water container lower extreme, just the raceway other end inserts perpendicularly to reaction box top one side edge lateral wall, fixed mounting has solenoid valve one on the raceway, fixed mounting has sealing washer one on the solenoid valve inner wall.

As the utility model discloses a preferred technical scheme, feed mechanism two is including clearing up the solvent container, clear up the perpendicular fixedly connected with conveying pipeline of solvent container lower extreme, the conveying pipeline other end inserts perpendicularly to another edge of reaction box on the lateral wall, fixed mounting has solenoid valve two on the conveying pipeline, fixed mounting has sealing washer two on the two inner walls of solenoid valve.

As the utility model discloses a preferred technical scheme, drop feed mechanism is including arranging the material pipe, arrange on the perpendicular fixed insertion reaction box one side lateral wall of material pipe one end, just arrange fixed mounting on the material pipe and have solenoid valve three, fixed mounting has sealing washer three on the three inner walls of solenoid valve.

As a preferred technical scheme of the utility model, temperature controller, gas sensor, motor, solenoid valve one, two and three all with control display electric connection of solenoid valve.

The utility model discloses the beneficial effect who reaches is: the utility model relates to a chemical oxygen demand analyzer, open through control display control solenoid valve one and solenoid valve two, can be automatic adjust the solution of water container in with dissolving the solvent container and put in, the convenience of device has been improved, and through control display control starter motor, motor output end fixedly connected with (mixing) shaft, drive the stirring rake promptly and stir and make its intensive mixing, and through control display control temperature controller, make the solution temperature control in its reaction box in the appointed scope, reach best reaction temperature, make its reaction effect more obvious, and detect the gas in its reaction box through gas sensor, and feed back the testing result to control display and automatic storage record result, open through control display control solenoid valve three after accomplishing and discharge the solution, compare with current device, the device is simple in structure, the simple operation for the device leakproofness reinforcing makes the measurement structure accuracy reinforcing in the use, and makes reaction rate accelerate, practices thrift measuring time, has improved the practicality of device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic diagram of the circuit structure of the present invention.

In the figure: 1. a reaction box; 2. a temperature controller; 3. a gas sensor; 4. a mixing mechanism; 41. a motor; 42. a stirring shaft; 43. a stirring paddle; 5. a first feeding mechanism; 51. a water container; 52. a water delivery pipe; 53. a first electromagnetic valve; 54. a first sealing ring; 6. a second feeding mechanism; 61. a digestion solvent vessel; 62. a delivery pipe; 63. a second electromagnetic valve; 64. a second sealing ring; 7. a discharging mechanism; 71. a discharge pipe; 72. a third electromagnetic valve; 73. a third sealing ring; 8. and controlling the display.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-4, a chemical oxygen demand analyzer comprises a reaction box 1, a temperature controller 2 is fixedly mounted on one side of the inner wall of the reaction box 1, a gas sensor 3 is fixedly mounted on the side wall of the top end of the reaction box 1 at the upper end of the temperature controller 2, a mixing mechanism 4 is mounted on one side of the gas sensor 3, a feeding mechanism I5 and a feeding mechanism II 6 are respectively mounted at the edge of the top end of the reaction box 1 at the upper end of the mixing mechanism 4, a discharging mechanism 7 is mounted at the bottom end of the side wall of the reaction box 1 at one side of the feeding mechanism II 6, and a control display 8 is fixedly mounted on the side wall of.

Wherein, mixing mechanism 4 includes motor 41, and the perpendicular fixed connection of motor 41 is on reaction box 1 top inner wall, and motor 41 output fixed connection (mixing) shaft 42, and symmetrical fixed mounting has stirring rake 43 on the (mixing) shaft 42.

The first feeding mechanism 5 comprises a water container 51, a water pipe 52 is vertically and fixedly connected to the lower end of the water container 51, the other end of the water pipe 52 is vertically inserted into the side wall of the edge of one side of the top end of the reaction box 1, a first electromagnetic valve 53 is fixedly mounted on the water pipe 52, and a first sealing ring 54 is fixedly mounted on the inner wall of the first electromagnetic valve 53.

The feeding mechanism II 6 comprises a digestion solvent container 61, a feed delivery pipe 62 is vertically and fixedly connected to the lower end of the digestion solvent container 61, the other end of the feed delivery pipe 62 is vertically inserted into the side wall of the other edge of the reaction box 1, a solenoid valve II 63 is fixedly mounted on the feed delivery pipe 62, and a sealing ring II 64 is fixedly mounted on the inner wall of the solenoid valve II 63.

The discharging mechanism 7 comprises a discharging pipe 71, one end of the discharging pipe 71 is vertically and fixedly inserted into the side wall of one side of the reaction box 1, a third electromagnetic valve 72 is fixedly installed on the discharging pipe 71, and a third sealing ring 73 is fixedly installed on the inner wall of the third electromagnetic valve 72.

The temperature controller 2, the gas sensor 3, the motor 41, the first solenoid valve 53, the second solenoid valve 63 and the third solenoid valve 72 are electrically connected with the control display 8.

Specifically, when the utility model is used, firstly, the temperature controller 2, the gas sensor 3, the motor 41, the first electromagnetic valve 53, the second electromagnetic valve 63, the third electromagnetic valve 72 and the control display 8 are all powered on, the model of the control display 8 is Siemens S7-200, the model of the temperature controller 2 is WTQK-12, the model of the gas sensor 3 is Q2-A2, the first electromagnetic valve 53 and the second electromagnetic valve 63 are controlled to be opened by controlling the display 8, the solution in the water container 51 and the digestion solvent container 61 can be automatically regulated and thrown in, the convenience of the device is improved, the stirring shaft 41 is controlled and started by controlling the display 8, the output end of the motor 41 is fixedly connected with the stirring shaft 42, namely, the stirring paddle 43 is driven to be stirred to fully mix, the temperature controller 2 is controlled by controlling the display 8, the temperature of the solution in the reaction box 1 is controlled in a designated range, reach best reaction temperature, make its reaction effect more showing, and detect its reaction box 1 internal gas through gas sensor 3, and feed back the testing result to control display 8 and automatic storage record result, open through three 72 of control display 8 control solenoid valve after the completion with solution discharge, compare with current device, this device simple structure, the simple operation, make the device leakproofness reinforcing make the enhancement of measurement structure accuracy in the use, and make reaction rate accelerate, practice thrift measuring time, the practicality of device has been improved, until accomplishing whole work order.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a chemical oxygen demand analyzer, its characterized in that, includes reaction box (1), reaction box (1) inner wall one side fixed mounting has temperature controller (2), fixed mounting has gas sensor (3) on temperature controller (2) upper end reaction box (1) top lateral wall, mixing mechanism (4) are installed to gas sensor (3) one side, feed mechanism (5) and feed mechanism two (6) are installed respectively to mixing mechanism (4) upper end reaction box (1) top edge, drop feed mechanism (7) are installed to feed mechanism two (6) one side reaction box (1) lateral wall bottom, fixed mounting has control display (8) on drop feed mechanism (7) one side reaction box (1) lateral wall.

2. The chemical oxygen demand analyzer according to claim 1, wherein the mixing mechanism (4) comprises a motor (41), the motor (41) is vertically and fixedly connected to the inner wall of the top end of the reaction box (1), the output end of the motor (41) is fixedly connected with a stirring shaft (42), and stirring paddles (43) are symmetrically and fixedly mounted on the stirring shaft (42).

3. The chemical oxygen demand analyzer according to claim 1, wherein the first feeding mechanism (5) comprises a water container (51), a water pipe (52) is vertically and fixedly connected to the lower end of the water container (51), the other end of the water pipe (52) is vertically inserted into the side wall of one side edge of the top end of the reaction box (1), a first electromagnetic valve (53) is fixedly installed on the water pipe (52), and a first sealing ring (54) is fixedly installed on the inner wall of the first electromagnetic valve (53).

4. The chemical oxygen demand analyzer as claimed in claim 1, wherein the second feeding mechanism (6) comprises a digestion solvent container (61), a feeding pipe (62) is vertically and fixedly connected to the lower end of the digestion solvent container (61), the other end of the feeding pipe (62) is vertically inserted into the side wall of the other edge of the reaction box (1), a second electromagnetic valve (63) is fixedly installed on the feeding pipe (62), and a second sealing ring (64) is fixedly installed on the inner wall of the second electromagnetic valve (63).

5. The chemical oxygen demand analyzer is characterized in that the discharging mechanism (7) comprises a discharging pipe (71), one end of the discharging pipe (71) is vertically and fixedly inserted into the side wall of one side of the reaction box (1), a third electromagnetic valve (72) is fixedly installed on the discharging pipe (71), and a third sealing ring (73) is fixedly installed on the inner wall of the third electromagnetic valve (72).

6. The chemical oxygen demand analyzer according to claim 1, wherein the temperature controller (2), the gas sensor (3), the motor (41), the first solenoid valve (53), the second solenoid valve (63) and the third solenoid valve (72) are electrically connected with a control display (8).