Full-automatic intelligent COD (Chemical Oxygen Demand) analyzer

Abstract

The utility model discloses a full-automatic intelligent COD (Chemical Oxygen Demand) analyzer which comprises a digestion instrument body, an operation platform, a digestion bottle, a condensation pipe, a lower waste liquid tank, a bottom liquid adding pipe, an MCU (Microprogrammed Control Unit) controller, a top liquid adding pump and a bottom liquid adding pump, a plurality of leveling pieces mounted by screws are arranged at the bottom of the digestion instrument body, and the digestion instrument body is provided with the operation platform. A plurality of digestion positions are arranged at the position of the operation platform, the digestion bottles are placed at the digestion positions, the digestion bottles and the digestion positions are arranged in a one-to-one correspondence mode, the digestion bottles are placed or taken down in a manual mode, condensation pipes are arranged above the digestion bottles and extend upwards to enter the inner top of the digestion instrument body, a lower waste liquid tank is arranged on one side of the operation platform, and the lower waste liquid tank is arranged on the other side of the operation platform. The bottom liquid adding pipe is connected with a guide rail through a guide block, the guide rail is arranged on the operation platform, and the rear portion of the digestion instrument body is hollow. The device is reasonable in design; and the liquid adding pipe at the bottom improves the liquid adding efficiency, so that the experiment speed is accelerated.

Description

Technical Field

[0001] The utility model relates to a fully automatic intelligent COD analyzer. Background Art

[0002] As people's environmental awareness continues to increase, people are more and more strict about protecting water resources. Wastewater needs to be treated before discharge, and the treated wastewater needs to be tested. COD is a commonly used test parameter. When the parameter is qualified, it is discharged. The existing COD determination is mostly carried out by digestion instrument. When using the digestion instrument, personnel need to manually add reagents, which not only has low work efficiency, but also has low accuracy of addition. Utility Model Content

[0003] The purpose of the utility model is to provide a fully automatic intelligent COD analyzer to solve the above technical problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A fully automatic intelligent COD analyzer comprises a digestion instrument body, an operating platform, a digestion bottle, a condenser, a lower waste liquid tank, a bottom liquid adding tube, an MCU controller, a top liquid adding pump, and a bottom liquid adding pump. A plurality of leveling parts installed by screws are arranged at the bottom of the digestion instrument body. An operating platform is arranged at the digestion instrument body. A plurality of digestion positions are arranged at the operating platform. The digestion bottle is placed at the digestion position. The digestion bottle and the digestion position are arranged one by one, and the digestion bottle is placed or removed manually. A condenser is arranged above the digestion bottle. The condenser extends upward into the top of the digestion instrument body. A lower waste liquid tank is arranged on one side of the operating platform. The bottom liquid adding tube is connected with a guide rail through a guide block. The guide rail is arranged at the operating platform. The rear of the digestion instrument body is hollow. An MCU controller, a top liquid adding pump, and a bottom liquid adding pump are installed inside the rear of the digestion instrument body. The bottom liquid adding pump is connected with the bottom liquid adding tube through a hose. A fan is installed at the digestion instrument body. The fan is turned on and off by the MCU controller.

[0006] Preferably, the bottom liquid adding tube is L-shaped, and the bottom liquid adding tube can rotate under the action of the motor to perform liquid adding operations on the digestion bottles on both sides. The slider in the guide rail is driven by the synchronous belt and the synchronous motor. The synchronous motor, the motor, and the bottom liquid adding pump are controlled by the MCU controller. The bottom liquid adding pump can titrate the reagent to the digestion bottle through the bottom liquid adding tube.

[0007] Preferably, a hinged cover is provided above the digestion instrument body, and the lifting platform at the condenser is driven by a screw to move up and down. A top liquid adding tube is installed in the internal space of the cover, and the top liquid adding tube can move in the horizontal direction. The top liquid adding tube is supplied with liquid by a top liquid adding pump. The position of the top liquid adding tube is adjusted by a synchronous belt and a synchronous motor. The top liquid adding tube, the top liquid adding pump, and the synchronous motor are controlled by an MCU controller. A top waste liquid tank is provided in the internal space of the cover, and the top liquid adding tube can titrate the required reagent into the digestion bottle.

[0008] Compared with the prior art, the utility model has the following advantages: the utility model has a reasonable design; the top liquid adding tube and the bottom liquid adding tube are controlled to add liquid or move by the MCU controller, thereby improving the liquid adding effect and thus improving the accuracy of the experimental results; the bottom waste liquid tank and the top waste liquid tank can promptly remove waste liquid when it is generated to avoid affecting the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the fully automatic intelligent COD analyzer of the utility model.

[0010] Figure 2 The utility model is a schematic diagram of removing the cover of the fully automatic intelligent COD analyzer. DETAILED DESCRIPTION

[0011] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0012] like Figure 1-2As shown, a fully automatic intelligent COD analyzer includes a digestion instrument body 1, an operating platform 2, a digestion bottle 3, a condenser 4, a lower waste liquid tank 5, a bottom liquid adding tube 6, an MCU controller 8, a top liquid adding pump 9, and a bottom liquid adding pump 10. The bottom of the digestion instrument body 1 is provided with a plurality of leveling parts installed by screws, the digestion instrument body 1 is provided with an operating platform 2, the operating platform 2 is provided with a plurality of digestion positions, the digestion bottle 3 is placed at the digestion position, the digestion bottle 3 is arranged one by one with the digestion position, and the digestion bottle 3 is manually Place or remove, a condenser 4 is provided above the digestion bottle 3, and the condenser 4 extends upward into the top of the digestion instrument body 1, a lower waste liquid tank 5 is provided on one side of the operating platform 2, and the bottom liquid adding pipe 6 is connected to the guide rail 7 through the guide block, and the guide rail 7 is opened at the operating platform 2, and the rear of the digestion instrument body 1 is hollow, and an MCU controller 8, a top liquid adding pump 9, and a bottom liquid adding pump 10 are installed inside the rear of the digestion instrument body 1, and the bottom liquid adding pump 10 is connected to the bottom liquid adding pipe 6 through a hose, and the digestion instrument body 1 is installed A fan is installed, and the fan is turned on and off by the MCU controller 8. The bottom liquid adding pipe 6 is L-shaped, and the bottom liquid adding pipe 6 can rotate under the action of the motor to add liquid to the digestion bottles 3 on both sides. The slider in the guide rail 7 is driven by the synchronous belt and the synchronous motor. The synchronous motor, the motor, and the bottom liquid adding pump 10 are controlled by the MCU controller 8. The bottom liquid adding pump 10 can titrate the reagent to the digestion bottle 3 through the bottom liquid adding pipe 6. A hinged cover plate 11 is provided above the digestion instrument body 1, and the lifting and lowering of the condenser 4 The platform is driven by a screw rod to move up and down. A top liquid adding pipe 12 is installed in the internal space of the cover plate 11. The top liquid adding pipe 12 can move in the horizontal direction. The top liquid adding pipe 12 is supplied with liquid by a top liquid adding pump 9. The top liquid adding pipe 12 adopts a synchronous belt and a synchronous motor to adjust the position. The top liquid adding pipe 12, the top liquid adding pump 9, and the synchronous motor are controlled by an MCU controller 8. A top waste liquid tank 13 is provided in the internal space of the cover plate 11. The top liquid adding pipe 12 can titrate the required reagent into the digestion bottle 3.

[0013] The working principle of the utility model is as follows: manually put the water sample into the digestion bottle and put the digestion bottle into the digestion position of the instrument. After setting the experimental parameters, click to start the experiment. According to the set parameters, the bottom liquid adding rod is automatically moved to add the required reagent into the digestion bottle. After the reagent is added, the condensation bottle moves downward to seal the bottom of the condensation bottle with the digestion bottle mouth. Move the top liquid adding rod to add the required reagent into the digestion bottle from the top of the condensation bottle. After the reagent is added, turn on the heating, automatically control the temperature and automatically time. After the timing ends, turn on the fan to cool the digestion bottle. After it drops to room temperature, the top liquid adding rod moves to start adding reagent. After the reagent is added, the condensation tube rises. The titration function begins. The high-precision metering pump adds reagents into the digestion bottle through a catheter. There is a color recognition device at the bottom of the bottom liquid adding tube. The color recognition device is parallel to the liquid in the digestion bottle to facilitate the detection of color changes. The color recognition device detects color changes in real time and transmits the color change signal to the MCU controller. The MCU controller controls the discharge speed of the high-precision metering pump according to different colors and reads the amount of liquid added, thereby improving the accuracy of the reagent dosage and reducing the experimental error. After the titration of all the wells to be tested is completed, the bottom liquid adding tube moves to the lower waste liquid tank to discharge the waste liquid in the pump, and all the results are displayed on the screen.

[0014] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A fully automatic intelligent COD analyzer, comprising a digestion instrument body (1), an operating platform (2), a digestion bottle (3), a condenser (4), a lower waste liquid tank (5), a bottom liquid adding pipe (6), an MCU controller (8), a top liquid adding pump (9), and a bottom liquid adding pump (10), characterized in that: The bottom of the digestion instrument body (1) is provided with a plurality of leveling parts installed by screws, the digestion instrument body (1) is provided with an operating platform (2), the operating platform (2) is provided with a plurality of digestion positions, the digestion bottles (3) are placed at the digestion positions, the digestion bottles (3) are arranged one by one with the digestion positions, and the digestion bottles (3) are placed or removed manually, a condenser (4) is provided above the digestion bottles (3), the condenser (4) extends upward into the top of the digestion instrument body (1), and one side of the operating platform (2) is provided with a condenser (4) extending upward into the top of the digestion instrument body (1). A lower waste liquid tank (5) is provided, a bottom liquid adding pipe (6) is connected to a guide rail (7) via a guide block, the guide rail (7) is provided at the operating platform (2), the rear of the digestion instrument body (1) is hollow, an MCU controller (8), a top liquid adding pump (9), and a bottom liquid adding pump (10) are installed inside the rear of the digestion instrument body (1), the bottom liquid adding pump (10) is connected to the bottom liquid adding pipe (6) via a hose, and a fan is installed at the digestion instrument body (1), and the fan is turned on and off by the MCU controller (8).

2. A fully automatic intelligent COD analyzer according to claim 1, characterized in that: The bottom liquid adding pipe (6) is designed to be L-shaped, and the bottom liquid adding pipe (6) can rotate under the action of a motor so as to perform a liquid adding operation on the digestion bottles (3) on both sides. The slider in the guide rail (7) is driven by a synchronous belt and a synchronous motor. The synchronous motor, the motor, and the bottom liquid adding pump (10) are controlled by an MCU controller (8). The bottom liquid adding pump (10) can titrate the reagent to the digestion bottle (3) through the bottom liquid adding pipe (6).

3. A fully automatic intelligent COD analyzer according to claim 1, characterized in that: A hinged cover plate (11) is provided above the digestion instrument body (1). The lifting platform at the condenser tube (4) is driven by a screw rod to move up and down. A top liquid adding pipe (12) is installed in the internal space of the cover plate (11). The top liquid adding pipe (12) can move in the horizontal direction. The top liquid adding pipe (12) is supplied with liquid by a top liquid adding pump (9). The top liquid adding pipe (12) uses a synchronous belt and a synchronous motor to adjust the position. The top liquid adding pipe (12), the top liquid adding pump (9) and the synchronous motor are controlled by an MCU controller (8). A top waste liquid tank (13) is provided in the internal space of the cover plate (11). The top liquid adding pipe (12) can titrate the required reagent into the digestion bottle (3).

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