CN214621995U - Automatic seawater chemical oxygen demand digestion device - Google Patents
Automatic seawater chemical oxygen demand digestion device Download PDFInfo
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- CN214621995U CN214621995U CN202120945682.9U CN202120945682U CN214621995U CN 214621995 U CN214621995 U CN 214621995U CN 202120945682 U CN202120945682 U CN 202120945682U CN 214621995 U CN214621995 U CN 214621995U
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Abstract
The utility model relates to an environmental monitoring laboratory analytical equipment technical field specifically is automatic digestion equipment of sea water chemistry aerobic, comprises an operation bench, the lower fixed surface of operation panel installs well control system, the last fixed surface of operation panel installs the basin, one side intercommunication of basin has and is provided with the circulative cooling water machine, the upper surface of basin is provided with the lens hood, the last fixed surface of lens hood installs infrared temperature measurement module, the last surface intercommunication of lens hood has the liquid feeding pipe, the one end fixed mounting that the lens hood was kept away from to the liquid feeding pipe has the syringe pump, the one end intercommunication that the liquid feeding pipe was kept away from to the syringe pump has the cross valve, the upper surface that the operation panel is close to cross valve one end is provided with the solution tank, the inner wall fixed mounting of basin has the heating block, the upper surface of heating block is provided with the erlenmeyer flask. The utility model discloses, through setting up the device, degree of automation is high, and manual operation is simple, greatly reduced staff's intensity of labour, improved holistic work efficiency.
Description
Technical Field
The utility model relates to an environmental detection laboratory analytical equipment technical field especially relates to automatic digestion equipment of sea water chemistry oxygen demand.
Background
The chemical oxygen demand is the quantity of reducing substances to be oxidized in a water sample measured by a chemical method, reflects the degree of pollution of the reducing substances in the water, is also one of comprehensive indexes of the relative content of organic matters, and plays an important role in research and analysis of seawater chemistry.
In traditional seawater chemical oxygen demand analysis, according to the analysis standard, often need to add sodium hydroxide, potassium permanganate, sulphuric acid and potassium iodide to taking the sample of measurement, put to dark place and measure, but this process needs to go through the process of the addition of different stages of solution, intensification boiling and rapid cooling and light-resistant, and manual operation is more loaded down with trivial details, and work burden is heavy, has improved staff's intensity of labour greatly, has reduced holistic work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an automatic seawater chemical oxygen demand digestion device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the seawater chemical oxygen demand automatic digestion device comprises an operation table, a central control system is fixedly arranged on the lower surface of the operation table, a water tank is fixedly arranged on the upper surface of the operating platform, a circulating cooling water machine is communicated and arranged on one side of the water tank, the upper surface of the water tank is provided with a light shield, the upper surface of the light shield is fixedly provided with an infrared temperature measuring module, the upper surface of the light shield is communicated with a liquid feeding pipe, one end of the liquid feeding pipe far away from the light shield is fixedly provided with an injection pump, one end of the injection pump, which is far away from the liquid feeding pipe, is communicated with a four-way valve, the upper surface of one end of the operating platform, which is close to the four-way valve, is provided with a solution tank, a heating block is fixedly arranged on the inner wall of the water tank, a conical flask is arranged on the upper surface of the heating block, a first liquid level sensor and a second liquid level sensor are fixedly mounted on the inner wall of one side, far away from the circulating water cooler, of the water tank.
Preferably, the water tank is connected with the circulating water cooler through a water pump, and the upper surface of the heating block is symmetrically provided with clamping blocks.
Preferably, the number of the solution tanks is four, and a sodium hydroxide solution, a potassium permanganate solution, a sulfuric acid solution and a potassium iodide solution are respectively arranged in the four solution tanks.
Preferably, the model of the infrared temperature measurement module is an FT-H20 infrared temperature sensor.
Preferably, the type of the first liquid level sensor and the type of the second liquid level sensor are both XKC-Y26-NPN.
Preferably, slots are symmetrically formed in the upper surface of the water tank, the insertion blocks are symmetrically and fixedly mounted on the lower surface of the light shield, and handles are symmetrically and fixedly mounted on the outer surface of the light shield.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
in the utility model, when the staff need use the seawater chemical oxygen demand automatic digestion device, firstly pour the sample into the conical flask, then utilize the handle to open the lens hood, then put the conical flask on the heating block, then fix the conical flask with the buckle, then cover the lens hood, then utilize the central control system to start the injection pump, through the four-way valve, the sodium hydroxide solution is pumped into the conical flask through the liquid feeding pipe, after the sodium hydroxide solution is added, the injection pump is started again, through the four-way valve, the potassium permanganate solution is pumped into the conical flask through the liquid feeding pipe, after the potassium permanganate solution is added, the heating block starts to heat, when the infrared temperature measurement module monitors that the sample temperature reaches 100 ℃, the central control system starts to time for five minutes at this moment, when the heating block stops heating after heating for five minutes, simultaneously the water pump pumps the cooling water in the circulating cooling water machine into the water tank, when the water level of the water tank reaches the first liquid level sensor, the cooling water pumping is stopped, when the infrared temperature measurement module monitors that the temperature of a sample is reduced to 25-30 ℃, the cooling water is pumped back into the circulating water cooler through the water pump, when the liquid level in the water tank is reduced to the second liquid level sensor, the water pump stops pumping water, when the water pump pumps water, the injection pump is started, the sulfuric acid solution is pumped into the conical flask through the liquid feeding pipe through the four-way valve, after the sulfuric acid solution is added, the injection pump is started again, the potassium iodide solution is pumped into the conical flask through the liquid feeding pipe through the four-way valve, when the potassium iodide solution is added, the central control system starts timing for five minutes, and after five minutes, the central control system prompts a user to finish the process through buzzing sound or displaying characters, and the device is arranged, the automation degree is high, the manual operation is simple, and the labor intensity of workers is greatly reduced, the overall working efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of an automatic seawater chemical aerobic digestion apparatus according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of the seawater chemical oxygen demand automatic digestion device;
FIG. 3 is a schematic structural diagram of the part A in FIG. 2 of the seawater chemical oxygen demand automatic digestion device provided by the present invention.
Illustration of the drawings:
1. an operation table; 2. a central control system; 3. a water tank; 4. a circulating cooling water machine; 5. a light shield; 6. an infrared temperature measurement module; 7. a liquid feeding pipe; 8. an injection pump; 9. a four-way valve; 10. a solution tank; 11. a heating block; 12. a conical flask; 13. a first liquid level sensor; 14. and a second liquid level sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides a technical solution: automatic digestion device of sea water chemistry aerobic, including operation panel 1, the lower fixed surface of operation panel 1 installs well control system 2, the last fixed surface of operation panel 1 installs basin 3, one side intercommunication of basin 3 has and is provided with recirculated cooling water machine 4, the upper surface of basin 3 is provided with lens hood 5, the last fixed surface of lens hood 5 installs infrared temperature measurement module 6, the upper surface intercommunication of lens hood 5 has liquid feeding pipe 7, the one end fixed mounting that liquid feeding pipe 7 kept away from lens hood 5 has injection pump 8, the one end intercommunication that liquid feeding pipe 7 was kept away from to injection pump 8 has cross valve 9, the upper surface that operation panel 1 is close to cross valve 9 one end is provided with solution tank 10, the inner wall fixed mounting of basin 3 has heating block 11, the upper surface of heating block 11 is provided with erlenmeyer flask 12, the inner wall fixed mounting that water machine 4 one side was kept away from to basin 3 has level sensor 13 and No. two level sensor 14.
In this embodiment: when a worker needs to use the seawater chemical oxygen demand automatic digestion device, firstly, a sample is poured into a conical flask 12, then a light shield 5 is opened by using a handle, then the conical flask 12 is placed on a heating block 11, then the conical flask 12 is fixed by using a buckle, then the light shield 5 is covered, then an injection pump 8 is started by using a central control system 2, a sodium hydroxide solution is pumped into the conical flask 12 through a liquid adding pipe 7 by using a four-way valve 9, after the sodium hydroxide solution is added, the injection pump 8 is started, a potassium permanganate solution is pumped into the conical flask 12 through the liquid adding pipe 7 by using the four-way valve 9, after the potassium permanganate solution is added, the heating block 11 starts to heat, when an infrared temperature measurement module 6 monitors that the temperature of the sample reaches 100 ℃, the central control system 2 starts to time for five minutes, when the heating block 11 heats for five minutes, the water stops heating, and simultaneously, a water pump pumps cooling water in a circulating cooling water machine 4 into a water tank 3, when the water level of the water tank 3 reaches the first liquid level sensor 13, the cooling water pumping is stopped, when the temperature of the sample detected by the infrared temperature measuring module 6 is reduced to 25-30 ℃, the cooling water is pumped back into the circulating water cooling machine 4 through the water pump, when the liquid level in the water tank 3 is reduced to the second liquid level sensor 14, the water pump stops pumping water, when the water pump pumps water, the injection pump 8 is started, the sulfuric acid solution is pumped into the conical flask 12 through the liquid feeding pipe 7 through the four-way valve 9, after the sulfuric acid solution is added, the injection pump 8 is started again, the potassium iodide solution is pumped into the conical flask 12 through the liquid feeding pipe 7 through the four-way valve 9, after the potassium iodide solution is added, the central control system 2 starts to time for five minutes, after five minutes, the central control system 2 prompts a user to finish the digestion process through buzzing or displaying characters, and by arranging the device, the degree of automation is high, the manual operation is simple, the labor intensity of workers is greatly reduced, and the overall working efficiency is improved.
Specifically, the water tank 3 is connected with the circulating water cooler 4 through a water pump, and the upper surface of the heating block 11 is symmetrically provided with clamping blocks.
In this embodiment: the water pump can realize the automatic injection and extraction of cooling water in the water tank 3, and the fixture block can help the staff to fix the conical flask 12.
Specifically, the number of the solution tanks 10 is four, and a sodium hydroxide solution, a potassium permanganate solution, a sulfuric acid solution, and a potassium iodide solution are respectively provided inside the four solution tanks 10.
In this embodiment: sodium hydroxide solution, potassium permanganate solution, sulfuric acid solution and potassium iodide solution are additives necessary for the measurement process
Specifically, the infrared temperature measuring module 6 is an FT-H20 infrared temperature sensor.
In this embodiment: the FT-H20 infrared temperature sensor has high accuracy and stable measurement.
Specifically, the type of the first liquid level sensor 13 and the type of the second liquid level sensor 14 are both XKC-Y26-NPN.
In this embodiment: the XKC-Y26-NPN liquid level sensor is small in size and more suitable for being placed in the water tank 3.
Specifically, slots are symmetrically formed in the upper surface of the water tank 3, inserting blocks are symmetrically and fixedly mounted on the lower surface of the light shield 5, and handles are symmetrically and fixedly mounted on the outer surface of the light shield 5.
In this embodiment: the slot and the inserted block can be mutually matched, so that workers can conveniently install the light shield 5, and the handle can provide a force application point to help the workers to move the light shield 5.
The working principle is as follows: when a worker needs to use the seawater chemical oxygen demand automatic digestion device, firstly, a sample is poured into a conical flask 12, then a light shield 5 is opened by using a handle, then the conical flask 12 is placed on a heating block 11, then the conical flask 12 is fixed by using a buckle, then the light shield 5 is covered, then an injection pump 8 is started by using a central control system 2, a sodium hydroxide solution is pumped into the conical flask 12 through a liquid adding pipe 7 by using a four-way valve 9, after the sodium hydroxide solution is added, the injection pump 8 is started, a potassium permanganate solution is pumped into the conical flask 12 through the liquid adding pipe 7 by using the four-way valve 9, after the potassium permanganate solution is added, the heating block 11 starts to heat, when an infrared temperature measurement module 6 monitors that the temperature of the sample reaches 100 ℃, the central control system 2 starts to time for five minutes, when the heating block 11 heats for five minutes, the water stops heating, and simultaneously, a water pump pumps cooling water in a circulating cooling water machine 4 into a water tank 3, when the water level of the water tank 3 reaches the first liquid level sensor 13, the cooling water pumping is stopped, when the temperature of a sample detected by the infrared temperature measurement module 6 is reduced to 25-30 ℃, the cooling water is pumped back into the circulating water cooler 4 through the water pump, when the liquid level in the water tank 3 is reduced to the second liquid level sensor 14, the water pump stops pumping water, when the water pump pumps water, the injection pump 8 is started, the sulfuric acid solution is pumped into the conical flask 12 through the liquid feeding pipe 7 through the four-way valve 9, after the sulfuric acid solution is added, the injection pump 8 is started again, the potassium iodide solution is pumped into the conical flask 12 through the liquid feeding pipe 7 through the four-way valve 9, after the potassium iodide solution is added, the central control system 2 starts timing for five minutes, and after five minutes, the central control system 2 prompts a user to finish the digestion process through buzzing or displaying characters.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. Automatic digestion device of sea water chemical oxygen demand, including operation panel (1), its characterized in that: the lower surface of the operating platform (1) is fixedly provided with a central control system (2), the upper surface of the operating platform (1) is fixedly provided with a water tank (3), one side of the water tank (3) is communicated with a circulating water cooling machine (4), the upper surface of the water tank (3) is provided with a light shield (5), the upper surface of the light shield (5) is fixedly provided with an infrared temperature measurement module (6), the upper surface of the light shield (5) is communicated with a liquid adding pipe (7), one end, far away from the light shield (5), of the liquid adding pipe (7) is fixedly provided with an injection pump (8), one end, far away from the liquid adding pipe (7), of the injection pump (8) is communicated with a four-way valve (9), the upper surface, close to one end of the four-way valve (9), of the operating platform (1) is provided with a solution tank (10), and the inner wall of the water tank (3) is fixedly provided with a heating block (11), the upper surface of heating piece (11) is provided with erlenmeyer flask (12), inner wall fixed mounting that water tank (3) kept away from recirculated cooling water machine (4) one side has level sensor (13) and No. two level sensor (14).
2. The seawater chemical oxygen demand automatic digestion apparatus according to claim 1, characterized in that: the water tank (3) is connected with the circulating cooling water machine (4) through a water pump, and the upper surface of the heating block (11) is symmetrically provided with clamping blocks.
3. The seawater chemical oxygen demand automatic digestion apparatus according to claim 1, characterized in that: the number of the solution tanks (10) is four, and sodium hydroxide solution, potassium permanganate solution, sulfuric acid solution and potassium iodide solution are respectively arranged in the four solution tanks (10).
4. The seawater chemical oxygen demand automatic digestion apparatus according to claim 1, characterized in that: the model of the infrared temperature measurement module (6) is an FT-H20 infrared temperature sensor.
5. The seawater chemical oxygen demand automatic digestion apparatus according to claim 1, characterized in that: the type of the first liquid level sensor (13) and the type of the second liquid level sensor (14) are both XKC-Y26-NPN.
6. The seawater chemical oxygen demand automatic digestion apparatus according to claim 5, characterized in that: the upper surface symmetry of basin (3) has seted up the slot, the lower surface symmetry fixed mounting of lens hood (5) has the inserted block, the surface symmetry fixed mounting of lens hood (5) has the handle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120945682.9U CN214621995U (en) | 2021-05-06 | 2021-05-06 | Automatic seawater chemical oxygen demand digestion device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120945682.9U CN214621995U (en) | 2021-05-06 | 2021-05-06 | Automatic seawater chemical oxygen demand digestion device |
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| CN214621995U true CN214621995U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484126A (en) * | 2021-05-06 | 2021-10-08 | 广西壮族自治区海洋环境监测中心站 | Automatic seawater chemical oxygen demand digestion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484126A (en) * | 2021-05-06 | 2021-10-08 | 广西壮族自治区海洋环境监测中心站 | Automatic seawater chemical oxygen demand digestion device |
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