CN214097311U

CN214097311U - Condensate water circulating device of nitrogen determination instrument

Info

Publication number: CN214097311U
Application number: CN202023247557.5U
Authority: CN
Inventors: 姚斌; 顾雅婷; 鄢姝恺; 徐国羊
Original assignee: Suzhou Jianyuan Testing Technology Co ltd
Current assignee: Suzhou Jianyuan Testing Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-31
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a condensed water circulating device of a nitrogen analyzer, which comprises a water tank arranged beside the nitrogen analyzer, wherein a first water pipe is arranged at the outlet of the water tank and is connected with the inlet of the nitrogen analyzer, a second water pipe is arranged at the outlet of the nitrogen analyzer and is connected with a cooling mechanism, a third water pipe is arranged at the outlet of the cooling mechanism and is connected with the inlet of the water tank, and a water pump is arranged on the third water pipe; the first water conveying pipe is provided with an adjusting mechanism for adjusting the water speed in the first water conveying pipe, and the adjusting mechanism comprises an inductor for detecting the water speed and a control valve for adjusting the water speed. The cooling mechanism can cool water discharged by the instrument, so that the cooled water can flow back into the water tank and water resources are saved; through the adjustment mechanism who sets up, can adjust the water speed of inputing in the azotometer, be favorable to making the change according to the actual test condition, be favorable to improving circulating device's practicality.

Description

Condensate water circulating device of nitrogen determination instrument

Technical Field

The utility model belongs to the technical field of the azotometer technique and specifically relates to a condensate water circulating device of azotometer is related to.

Background

The Kjeldahl azotometer is an instrument for calculating the content of protein by measuring the content of nitrogen in a sample according to the principle that the content of nitrogen in protein is constant, is called as a Kjeldahl azotometer because the method for measuring and calculating the content of protein is called as a Kjeldahl azotometer, is also called as a azotometer, a protein determinator and a crude protein determinator, and is used for detecting the contents of ammonia, protein nitrogen, phenol, volatile fatty acid, cyanide, sulfur dioxide, ethanol and the like in grains, foods, feeds, water, soil, silt, sediments and chemicals by using the Kjeldahl azotometer.

When the nitrogen determinator works, condensed water needs to be added continuously through the circulating device, the existing circulating device has certain defects when in use, the existing circulating device has no cooling function, the temperature of water discharged by the nitrogen determinator is high, the water cannot directly enter the nitrogen determinator through circulation, the accuracy of a test result can be reduced, the water speed input into the nitrogen determinator is not measured, the water speed can not be adjusted according to the actual test condition of the apparatus, the long-time working temperature of the water pump can rise, a module for monitoring the temperature of the water pump is not provided, the water pump can be possibly broken down, and the proceeding of the test process is influenced,

disclosure of Invention

The utility model aims to solve the technical problem that a condensate water circulating device of azotometer with cooling function and assurance test accuracy is provided.

The utility model provides a technical scheme that its technical problem adopted is: a condensed water circulating device of a nitrogen analyzer comprises a water tank arranged beside the nitrogen analyzer, wherein a first water pipe is arranged at an outlet of the water tank and is connected with an inlet of the nitrogen analyzer; the first water conveying pipe is provided with an adjusting mechanism for adjusting the water speed in the first water conveying pipe, and the adjusting mechanism comprises an inductor for detecting the water speed and a control valve for adjusting the water speed.

Further specifically, the cooling mechanism includes a heat dissipation chamber, a refrigerator disposed inside the heat dissipation chamber, and a motor for driving the refrigerator to operate, the second water pipe is connected to an inlet of the heat dissipation chamber, and the third water pipe is connected to an outlet of the heat dissipation chamber.

Further specifically, the adjustment mechanism further comprises a display screen, the sensor and the control valve are connected to the display screen, and the display screen receives signals of the sensor and is controlled through the control valve.

Further specifically, a clamping groove and a fixing groove are formed in the bottom of the display screen, the clamping groove is used for being connected with the inductor, the fixing groove is used for being connected with a control valve, and the control valve is fixed on the first water conveying pipe.

Further specifically, a monitoring mechanism for monitoring the temperature of the water pump is arranged on the water pump.

Further specifically, the monitoring mechanism include a first temperature sensor arranged on the water pump, a first controller connected with the first temperature sensor, and an alarm connected with the first controller.

More specifically, the alarm is an alarm audio or an alarm lamp tube.

Further specifically, a second temperature sensor is arranged at a position, close to the outlet, in the heat dissipation chamber, a second controller is arranged on the motor, the second temperature sensor detects that a temperature signal is transmitted to the second controller, and the second controller controls the motor.

The utility model has the advantages that: the cooling mechanism can cool water discharged by the instrument, so that the cooled water can flow back into the water tank, and water resources can be saved; through the adjustment mechanism who sets up, can adjust the water speed of inputing in the azotometer, be favorable to making the change according to the actual test condition, be favorable to improving circulating device's practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the cooling mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the adjusting mechanism of the present invention;

fig. 4 is a schematic structural diagram of the monitoring mechanism of the present invention.

In the figure: 1. a water tank; 2. a nitrogen determination instrument; 3. a first water delivery pipe; 4. an adjustment mechanism; 5. a second water delivery pipe; 6. a cooling mechanism; 7. a water pump; 8. a third water delivery pipe; 9. a monitoring mechanism; 41. a control valve; 42. an inductor; 43. a display screen; 61. a heat dissipation box; 62. a refrigerator; 63. a motor; 64. a second temperature sensor; 65. a second controller; 91. a first temperature sensor; 92. a first controller; 93. an alarm.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention.

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the condensed water circulating device of a nitrogen analyzer comprises a water tank 1 arranged beside a nitrogen analyzer 2, wherein a first water pipe 3 is arranged at an outlet of the water tank 1, the first water pipe 3 is connected with an inlet of the nitrogen analyzer 2, a second water pipe 5 is arranged at an outlet of the nitrogen analyzer 2, the second water pipe 5 is connected with a cooling mechanism 6, a third water pipe 8 is arranged at an outlet of the cooling mechanism 6, the third water pipe 8 is connected with the inlet of the water tank 1, and a water pump 7 is arranged on the third water pipe 8; the first water delivery pipe 3 is provided with an adjusting mechanism 4 for adjusting the water speed in the first water delivery pipe 3. The cooling water in the water tank 1 gets into nitrogen determination appearance 2 through first water pipeline 3, discharge through second water pipeline 5 after absorbing the heat in nitrogen determination appearance 2, the cooling water becomes hot water this moment, hot water gets into and cools off in cooling body 6, hot water becomes the cooling water again this moment, water pump 7 provides power and carries the cooling water to water tank 1 in through third water pipeline 8, a circulation has been accomplished, this circulation is repeated, get into the inside cooling water that is all the time of nitrogen determination appearance 2, the cooling efficiency to nitrogen determination appearance 2 has been promoted.

As shown in fig. 2, the cooling mechanism 6 includes a heat dissipation chamber 61, a refrigerator 62 disposed inside the heat dissipation chamber 61, and a motor 63 for driving the refrigerator 62 to operate, wherein the refrigerator 62 is fixed inside the heat dissipation chamber 61 by means of bolts, and the motor 63 is fixed outside the heat dissipation chamber 61 by means of bolts; the second water pipe 5 is connected to the inlet of the heat dissipation chamber 61, the third water pipe 8 is connected to the outlet of the heat dissipation chamber 61, and the refrigerator 62 operates under the action of the motor 63, so that hot water entering from the second water pipe 5 is changed into cooling water and is discharged through the third water pipe 8, the heat dissipation chamber 61 can be kept at a constant temperature of 25 ℃ under the action of the refrigerator 62, and the cooling water returns to the water tank 1 for cyclic utilization, thereby being beneficial to saving water resources; in order to ensure that the interior of the heat dissipation chamber 61 is always in a constant temperature state, a second temperature sensor 64 is arranged in the heat dissipation chamber 61 at a position close to the outlet, a second controller 65 is arranged on the motor 63, the second temperature sensor 64 detects that a temperature signal is transmitted to the second controller 65, the second controller 65 controls the motor 63, the motor 63 adopts a variable frequency motor, and when the second temperature sensor 64 detects that the temperature in the heat dissipation chamber 61 is higher than a set threshold value, the second controller 65 drives the motor 63 to accelerate the frequency, so that the working efficiency of the refrigerator 62 is increased, and the refrigeration effect is improved; when the second temperature sensor 64 detects that the temperature in the heat dissipation chamber 61 is lower than the set threshold, the second controller 65 drives the motor 63 to decrease the frequency, so that the efficiency of the refrigerator 62 decreases, the cooling effect decreases, and the temperature in the heat dissipation chamber 61 returns to the set threshold.

As shown in fig. 3, the adjusting mechanism 4 includes a sensor 42 for detecting a water speed, a control valve 41 for adjusting the water speed, and a display screen 43, a slot and a fixing slot are disposed at the bottom of the display screen 43, the sensor 42 is connected to the display screen 43 through a cable after being fixed by the slot, the sensor 42 extends into the first water pipe 3, the control valve 41 is connected to the display screen 43 through the fixing slot, and the control valve 41 is fixed to the first water pipe 3 through a bolt; the display screen 43 can display the water flow speed monitored by the sensor 42 and can adjust and control the water flow speed through the control valve 41, the display screen 43 not only has a display function but also has a corresponding input function, and the control valve 41 can be controlled to be opened, adjusted and closed by adjusting and inputting the water flow speed on the display screen 43; the adjustment of the water speed is favorable for changing according to the actual test condition, and simultaneously, the practicability of the circulating device is improved.

Further, in order to facilitate the safe operation of the water pump 7 and avoid major faults, a monitoring mechanism 9 for monitoring the temperature of the water pump 7 is arranged on the water pump 7, as shown in fig. 4, the monitoring mechanism 9 includes a first temperature sensor 91 arranged on the water pump 7, a first controller 92 connected with the first temperature sensor 91, and an alarm 93 connected with the first controller 92, the first temperature sensor 91 and the water pump 7, the first temperature sensor 91 and the first controller 92, and the first controller 92 and the alarm 93 are all connected in a bolt connection manner, so that the maintenance of the water pump 7 at a later stage is facilitated; when the first temperature sensor 91 transmits a temperature signal for monitoring the water pump 7 to the first controller 92, the first controller 92 processes and judges the temperature signal, if the temperature signal exceeds a set threshold value, a control signal is sent to the alarm 93, and at the moment, the alarm 93 sends out a warning, so that an experimenter can be reminded, and the water pump 7 is prevented from being out of order to influence the experimental process and effect; the alarm 93 may be an alarm audio or an alarm lamp tube, and may emit an alarm sound or an alarm light for reminding, or both.

In summary, the cooling mechanism 6 is arranged to cool the water discharged from the nitrogen analyzer 2, so that the cooled water flows back into the water tank 1, the first water pipe 3 is opened through the control valve 41, the water in the water tank 1 is transferred into the nitrogen analyzer 2 to work, the water in the nitrogen analyzer 2 is discharged from the second water pipe 5, the second water pipe 5 is transferred into the heat dissipation chamber 61, the output end of the motor 63 is electrically connected with the input end of the refrigerator 62, the refrigerator 62 works under the action of the motor 63, the constant temperature of the heat dissipation chamber at 25 ℃ can be maintained, the cooled water flows back into the water tank 1 from the third water pipe 8, and water resource saving is facilitated; the water velocity input into the azotometer 2 can be adjusted through the arranged adjusting mechanism 4, the change can be made according to the actual test condition, the detection head of the sensor 42 is positioned in the first water delivery pipe 3, the water velocity can be tested, the tested data is transmitted to the display screen 43 to be displayed, the water velocity can be changed on the display screen 43, the water velocity can be conveniently controlled through the control valve 41, and the practicability of the circulating device can be improved; through the monitoring mechanism 9 that sets up, can monitor the temperature of water pump 7, be favorable to avoiding taking place great trouble, first temperature sensor 91 is located one side of water pump 7, change to water pump 7 temperature and carry out real time monitoring, the output of first controller 92 and first temperature sensor 91's input electric connection, and the output of first controller 92 and the input electric connection of alarm 93, first temperature sensor 91 passes to first controller 92 with the data of monitoring, if temperature data reaches the critical value that sets up, alarm 93 can report to the police, can make the warning to the experimenter, prevent that the water pump from going out the trouble and influencing the experimentation.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A condensed water circulating device of a nitrogen analyzer comprises a water tank (1) arranged beside a nitrogen analyzer (2), and is characterized in that a first water pipe (3) is arranged at an outlet of the water tank (1), the first water pipe (3) is connected with an inlet of the nitrogen analyzer (2), a second water pipe (5) is arranged at an outlet of the nitrogen analyzer (2), the second water pipe (5) is connected with a cooling mechanism (6), a third water pipe (8) is arranged at an outlet of the cooling mechanism (6), the third water pipe (8) is connected with the inlet of the water tank (1), and a water pump (7) is arranged on the third water pipe (8); the first water conveying pipe (3) is provided with an adjusting mechanism (4) used for adjusting the water speed in the first water conveying pipe (3), and the adjusting mechanism (4) comprises an inductor (42) used for detecting the water speed and a control valve (41) used for adjusting the water speed.

2. The condensed water circulating device of a azotometer according to claim 1, wherein the cooling mechanism (6) comprises a heat dissipation chamber (61), a refrigerator (62) disposed inside the heat dissipation chamber (61), and a motor (63) for driving the refrigerator (62) to operate, the second water pipe (5) is connected to an inlet of the heat dissipation chamber (61), and the third water pipe (8) is connected to an outlet of the heat dissipation chamber (61).

3. The condensed water circulating device of the azotometer according to claim 1, wherein the adjusting mechanism (4) further comprises a display screen (43), the sensor (42) and the control valve (41) are connected to the display screen (43), and the display screen (43) receives the signal of the sensor (42) and is controlled by the control valve (41).

4. The condensed water circulating device of a azotometer according to claim 3, wherein a clamping groove and a fixing groove are arranged at the bottom of the display screen (43), the clamping groove is used for connecting the inductor (42), the fixing groove is used for connecting the control valve (41), and the control valve (41) is fixed on the first water pipe (3).

5. Condensed water circulating device of nitrogen determinator according to claim 1, characterized in that a monitoring mechanism (9) for monitoring the temperature of water pump (7) is arranged on water pump (7).

6. The condensed water circulating device of the azotometer as claimed in claim 5, wherein the monitoring mechanism (9) comprises a first temperature sensor (91) arranged on the water pump (7), a first controller (92) connected with the first temperature sensor (91), and an alarm (93) connected with the first controller (92).

7. The condensed water circulating device of the azotometer as claimed in claim 6, wherein the alarm (93) is an alarm audio or an alarm lamp tube.

8. The condensed water circulation device of the azotometer as claimed in claim 2, wherein a second temperature sensor (64) is provided in the heat dissipation chamber (61) near the outlet, a second controller (65) is provided on the motor (63), the second temperature sensor (64) detects a temperature signal and transmits the temperature signal to the second controller (65), and the second controller (65) controls the motor (63).