CN211453107U

CN211453107U - Multifunctional liquid evaporation ashing sample preparation device

Info

Publication number: CN211453107U
Application number: CN201922363490.2U
Authority: CN
Inventors: 陈文涛
Original assignee: Qingdao Nuclear First Electronic Technology Co ltd
Current assignee: Qingdao Nuclear First Electronic Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-08
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a multi-functional liquid evaporation ashing system appearance device, including switch board machine, a plurality of evaporation host computer and a plurality of ashing host computer, be provided with a plurality of host computer interfaces that are used for the electricity to connect evaporation host computer and ashing host computer on the switch board machine, be provided with power and main control board in the switch board machine. This system appearance device switch board machine, evaporation host computer and the split type setting of ashing host computer, evaporation host computer and ashing host computer pass through the circuit and are connected with the switch board machine, and the three can independently remove, and the portability is strong, and the quantity of evaporation host computer and ashing host computer can be selected according to the sample size, can be used to the field test under the emergent environment.

Description

Multifunctional liquid evaporation ashing sample preparation device

Technical Field

The utility model belongs to the technical field of water quality testing, concretely relates to multi-functional liquid evaporation ashing system appearance device.

Background

Radionuclides are generated in natural environment and human activities, exist in daily life such as drinking water, and are radioactive sources emitting alpha and beta rays, radioactive pollutants enter human bodies and can damage human tissues, and diseases such as anemia and malignant tumors can be caused finally, so that the determination of the total alpha and total beta radioactive concentrations in the drinking water is very important.

Because the content of radioactive substances in water is extremely low, in the total alpha and total beta radioactivity detection process of a water quality sample, a large amount of samples need to be enriched for analysis, firstly, evaporation concentration of a water sample needs to be carried out, secondly, acid pickling and salinization with a proper proportion are carried out, and finally, ashing is carried out. At present, an electric heating plate and a water bath are generally adopted in a domestic radiation environment monitoring laboratory to evaporate and concentrate a water sample, for example, 2L of the water sample is taken, and the evaporation time of the electric heating plate is 8-10 hours. And the acid is acidified by adopting an evaporation acid-driving instrument in the next day, and then the traditional electric furnace is used for ashing, so that time and labor are wasted, and the equipment is not suitable for pretreatment of on-site water environment detection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem of foretell current system appearance device inefficiency, provide one kind can be used to evaporative concentration, acidizing and the ashing of liquid such as water sample, urine sample, be applicable to the multi-functional liquid evaporation ashing system appearance device of the pretreatment of on-the-spot water environment detection.

In order to achieve the above object, the utility model discloses a technical scheme be:

a multifunctional liquid evaporation ashing sample preparation device comprises a control cabinet, a plurality of evaporation hosts and a plurality of ashing hosts, wherein the control cabinet is provided with a plurality of host interfaces for electrically connecting the evaporation hosts and the ashing hosts, and a power supply and a main control board are arranged in the control cabinet; the evaporation host comprises an evaporation shell, an evaporation box is arranged in the evaporation shell, the evaporation box comprises a water sample plate arranged in the evaporation shell, a first temperature sensor and a first microwave heating source arranged on the side face, the evaporation box is arranged in the evaporation box, and the inner wall of the evaporation box is coated with an anticorrosive coating; the ashing host comprises an ashing shell, wherein an ashing box is arranged in the ashing shell, and the ashing box comprises a crucible arranged in the ashing shell, a second temperature sensor and a second microwave heating system arranged on the side face.

Preferably, the evaporation box is made of 304 stainless steel, and the inner wall of the evaporation box is coated with polytetrafluoroethylene.

Preferably, the first and second microwave heating systems each include an air-cooled magnetron, a waveguide, a seven-blade axial flow fan, and a wind direction duct.

Preferably, the ashing box is made of an aluminum silicate fiberboard.

Preferably, the control cabinet is provided with an inclined panel, and the panel is provided with a touch screen and a power switch.

Preferably, the concentration box and the ashing box are both provided with door bodies, the door bodies are provided with observation windows, and the concentration acid removing box and the ashing box are both internally provided with special microwave illuminating lamps.

Preferably, the inner wall of the evaporation box is provided with a plurality of grooves.

Preferably, the evaporation box is provided with a vent hole, and the vent hole is connected with the vent pipe and the fan.

Preferably, the inner wall of the ventilation pipe is coated with polytetrafluoroethylene.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. this multi-functional liquid evaporation ashing system appearance device adopts microwave heating as the heat source, and the heating is rapid, has reduced the preceding processing time of water sample radioactivity greatly.

2. The evaporation host integrates the functions of evaporation concentration and acid removal, reduces the sample transfer times and is convenient to use.

3. This system appearance device switch board machine, evaporation host computer and the split type setting of ashing host computer, evaporation host computer and ashing host computer pass through the circuit and are connected with the switch board machine, and the three can independently remove, and the portability is strong, and the quantity of evaporation host computer and ashing host computer can be selected according to the sample size, can be used to the field test under the emergent environment.

Drawings

FIG. 1 is a schematic view of the overall structure of the liquid evaporation ashing sample preparation device of the present invention;

FIG. 2 is a schematic view of the evaporation main frame structure of the liquid evaporation ashing sample preparation device of the present invention;

FIG. 3 is a structural diagram of a microwave heating system of the liquid evaporation ashing sample preparation device of the present invention;

FIG. 4 is a schematic structural view of an ashing main machine of the liquid evaporation ashing sample preparation device of the present invention;

in the above figures: 1. a control cabinet machine; 11. an inclined panel; 12. a touch screen; 13. a power switch; 2. evaporating the host machine; 21. an evaporator housing; 22. an evaporation tank; 23. a vent pipe; 24. a first microwave heating source; 241. an air-cooled magnetron; 242. a waveguide; 243. a seven-blade axial flow fan; 244. a wind direction duct; 25. a door body; 26. an observation window; 3. an ashing host; 31. ashing the housing; 32. an ashing box; 33. a second microwave heating system; 34. a second electrical box.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings and examples.

Example (b): as shown in fig. 1, the multifunctional liquid evaporation ashing sample preparation device comprises a control cabinet 1, a plurality of evaporation hosts 2 for evaporating and concentrating water samples and a plurality of ashing hosts 3 for heating ashing samples. The front side of the control cabinet machine 1 is provided with an inclined panel 11, and a touch screen 12 and a power switch 13 are mounted on the panel, so that the operation and observation are facilitated. A first electrical box is installed in the control cabinet machine 1, electronic components such as a power supply, a contactor, a fuse and a main control board are installed in the first electrical box, the touch screen 12 is electrically connected with the main control board, and the parameter box can be set through the touch screen 12 to display equipment running state information. And the electronic components are arranged in the first electric box, so that the electronic components can be prevented from being corroded. 4-9 host interfaces are arranged on the control cabinet machine 1, the evaporation host 2 and the ashing host 3 can be connected to the control cabinet machine 1 through wiring, and the control cabinet machine 1 supplies power and displays the running state in a unified manner.

As shown in fig. 2, the evaporation host 2 includes an evaporator housing 21, an evaporation box 22 is disposed in the evaporator housing 21, a door 25 is disposed on the evaporation box 22, and a closed space is formed inside after the door 25 is closed. The door body 25 is provided with an observation window 26 and a touch screen 12, the top wall of the evaporation box 22 is also provided with a special microwave illuminating lamp, and the evaporation progress of the inner wall sample can be observed through the observation window 26. The evaporation box 22 is made of 304 stainless steel and is coated with corrosion-resistant materials such as anticorrosive paint or inert metal coating, and this embodiment uses teflon. A plurality of regular grooves are formed in the inner wall of the evaporation box 22, when the sample is evaporated and removed with acid, water vapor is condensed into water drops to be condensed in the grooves, and the phenomenon that evaporated liquid is deposited on the inner wall of the evaporation box 22 or the observation window 26 of the door body 25 to be measured in the evaporation box is avoided, so that the inner cavity wall is polluted, and the observation window 26 can not clearly see the evaporation concentration process of the internal sample. A water sample tray for containing samples is installed in the evaporation box 22, the water sample tray is provided with various specifications, and a user can select the water sample tray according to requirements.

Be provided with the ventilation hole on the evaporation tank 22, ventilation pipe 23 and fan are connected in the ventilation hole, and during evaporation or acidizing, inside steam is in time taken out through ventilation pipe 23, increases evaporation efficiency. During the acidification, the ventilation pipe 23 is connected to a waste gas treatment system, and the ventilation pipe 23 can be detached, so that later-stage cleaning is facilitated. The inner wall of the vent pipe 23 is coated with polytetrafluoroethylene, so that the vent pipe is corrosion-resistant.

The side wall of the evaporation box 22 is installed with a first microwave heating source 24, and the first microwave heating system comprises an air-cooled magnetron 241, a waveguide 242, a seven-blade axial flow fan 243 and a wind direction guide pipe 244. As shown in fig. 3, an air duct formed by a wind direction duct 244 is connected below the air-cooled magnetron 241, one end of the wind direction duct 244 is connected with a seven-blade axial flow fan 243, the seven-blade axial flow fan 243 cools the air-cooled magnetron 241 to achieve a better mute heat dissipation effect, and a waveguide 242 is also communicated with the wind direction duct 244 at a position below the air-cooled magnetron 241 to guide the microwave 242 into the evaporation box 22. The evaporation box 22 is also internally provided with a first temperature sensor for detecting the internal temperature and an evaporation main control board, the first temperature sensor, the touch screen 12 and the air-cooled magnetron 241 are all electrically connected with the evaporation main control board, the first temperature sensor transmits the detected temperature to the evaporation main control board, when the actual temperature is lower than the set temperature, the evaporation main control board controls the air-cooled magnetron 241 to operate and heat, and when the actual temperature is higher than or equal to the set temperature, the air-cooled magnetron 241 suspends heating, so that the temperature control is realized. The evaporation main control board is also connected with a time relay to realize the setting of heating time. The microwave heating system realizes microwave heating in the steps of acid concentration and acid removal, the microwave heating is different from the traditional conduction, convection and radiation, and the transmission of the microwave heating system does not depend on any medium. The microwave heating is rapid, the long-time oven drying process of the electric furnace is not needed, the thermal inertia is avoided, and the process control is convenient. The temperature can be ensured to rise, the high-temperature heat loss is avoided, and the device is safe and energy-saving. This evaporation host computer 2 not only can be used to the evaporative concentration of water sample, can carry out water sample acidizing simultaneously and handle, need not independent design acidizing equipment.

As shown in fig. 4, the ashing main machine 3 includes an ashing casing 31, an ashing box 32 is provided in the ashing casing 31, the ashing boxes 32 are provided with door bodies 25, and the door bodies 25 are provided with observation windows 26 and touch screens 12. The crucible and the second temperature sensor are arranged in the ashing box 32, the second temperature sensor comprises a thermocouple thermometer with the model of ZS5-K-1200 ℃ and a temperature transmitter with the model of HX-1200, and the temperature in the ashing box 32 can be accurately measured. The ashing box 32 is provided with a second microwave heating system 33 on the side, and the second microwave heating system 33 is the same as the first microwave heating system. The ashing box 32 is made of an aluminum silicate fiberboard and can resist the temperature of 600 ℃. An ashing main control board is arranged in the ashing casing 31, the temperature control and the time setting of the ashing main control board are the same as those of the evaporation host machine 2, and the ashing main control board is installed in the second electrical box 34 and is prevented from being affected with damp or damaged.

This multi-functional liquid evaporation ashing system appearance device adopts microwave heating as the heat source, and the heating is rapid, has reduced the preceding processing time of water sample radioactivity greatly. The evaporation host machine 2 integrates the functions of evaporation concentration and acid removal, reduces the sample transfer times and is convenient to use. This system appearance device switch board 1, evaporation host computer 2 and the split type setting of ashing host computer 3, evaporation host computer 2 and ashing host computer 3 pass through the circuit and are connected with switch board 1, and the three can independently remove, and the portability is strong, and the quantity of evaporation host computer 2 and ashing host computer 3 can be selected according to the sample size, can be used to the field test under the emergency environment.

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 embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a multi-functional liquid evaporation ashing system appearance device which characterized in that: the device comprises a control cabinet machine, a plurality of evaporation hosts and a plurality of ashing hosts, wherein the control cabinet machine is provided with a plurality of host interfaces for electrically connecting the evaporation hosts and the ashing hosts, and a power supply and a main control board are arranged in the control cabinet machine;

the evaporation host comprises an evaporation shell, an evaporation box is arranged in the evaporation shell, the evaporation box comprises a water sample plate arranged in the evaporation shell, a first temperature sensor and a first microwave heating source arranged on the side face, the evaporation box is arranged in the evaporation box, and the inner wall of the evaporation box is coated with an anticorrosive coating;

the ashing host comprises an ashing shell, wherein an ashing box is arranged in the ashing shell, and the ashing box comprises a crucible arranged in the ashing shell, a second temperature sensor and a second microwave heating system arranged on the side face.

2. The multifunctional liquid evaporation and ashing sample preparation device according to claim 1, wherein: the evaporation box is made of 304 stainless steel, and the inner wall of the evaporation box is coated with polytetrafluoroethylene.

3. The multifunctional liquid evaporation and ashing sample preparation device according to claim 1, wherein: the first microwave heating system and the second microwave heating system respectively comprise an air-cooled magnetron, a waveguide, a seven-blade axial flow fan and a wind direction guide pipe.

4. The multifunctional liquid evaporation and ashing sample preparation device according to claim 1, wherein: the ashing box is made of an aluminum silicate fiberboard.

5. The multifunctional liquid evaporation and ashing sample preparation device according to claim 1, wherein: the control cabinet is provided with an inclined panel, and a touch screen and a power switch are mounted on the panel.

6. The multifunctional liquid evaporation and ashing sample preparation device according to claim 1, wherein: the evaporation box and the ashing box are both provided with door bodies, the door bodies are provided with observation windows, and special microwave illuminating lamps are arranged in the evaporation box and the ashing box.

7. The multifunctional liquid evaporation and ashing sample preparation device according to claim 6, wherein: the evaporation box inner wall is provided with a plurality of grooves.

8. The multifunctional liquid evaporation and ashing sample preparation device according to claim 1, wherein: the evaporation box is provided with a ventilation hole, and the ventilation hole is connected with a ventilation pipe and a fan.

9. The multifunctional liquid evaporation and ashing sample preparation device according to claim 8, wherein: the inner wall of the ventilation pipe is coated with polytetrafluoroethylene.