CN209173760U - Atomic fluorescence current-carrying automatic preparing device - Google Patents
Atomic fluorescence current-carrying automatic preparing device Download PDFInfo
- Publication number
- CN209173760U CN209173760U CN201821829976.XU CN201821829976U CN209173760U CN 209173760 U CN209173760 U CN 209173760U CN 201821829976 U CN201821829976 U CN 201821829976U CN 209173760 U CN209173760 U CN 209173760U
- Authority
- CN
- China
- Prior art keywords
- bottle
- liquid mixing
- liquid
- control device
- atomic fluorescence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model belongs to the technical field of analysis detection experimental facilities, is specifically related to a kind of atomic fluorescence current-carrying automatic preparing device comprising: control device;Peristaltic pump is connect with the control device;Blender is connect with the control device;Liquid mixing bottle is located on an electronic scale, and the blender is located at the top of the liquid mixing bottle;Liquid storage bottle is connected to the liquid mixing bottle by conduit;Wherein, the peristaltic pump is arranged on the conduit between the liquid mixing bottle and the liquid storage bottle.The utility model can accomplish Unmanned operation, full automatic treatment, in high precision, high efficiency, it ensure that safety of the staff when operating the dilution of strong acid, highly basic, poisonous and harmful, volatile solution, it may be implemented to prepare in right amount simultaneously, do not waste material, do not increase the purpose of pollution and treatment cost of waste liquor.
Description
Technical field
The utility model belongs to the technical field of analysis detection experimental facilities, be specifically related to a kind of atomic fluorescence current-carrying from
Dynamic device for formulating.
Background technique
Currently, it is analyzed in atomic fluorescence device in use, preparating acid, aqueous slkali are required, in preparation acid-base solution process
In, manual operation is required, wherein inevitably needing to contact strong acid such as concentrated hydrochloric acid, concentrated nitric acid, the concentrated sulfuric acid and volatile molten
Liquid needs operator careful in preparing solution and constant volume process, operates with caution, while also to complete in wind chamber
Sample.Even so, also there is acid solution drippage often, spill, corrosion desktop, equipment, clothing, even burn operator etc., and ten
Divide danger.Moreover, itself scale of container is excessively coarse when preparing large capacity solution, only sentence in addition by operator's naked eyes
Fixed, the precision for preparing solution concentration is lower, therefore generally all takes excessive preparation, not only wastes material in this way, while increasing dirt
Dye and treatment cost of waste liquor.In testing experiment, prepares solution and also need expenditure of time, reduce working efficiency.
To solve the above-mentioned problems, the utility model provides a kind of atomic fluorescence current-carrying automatic preparing device.
Utility model content
The utility model provides a kind of atomic fluorescence current-carrying automatic preparing device, which ensure that staff is strong in operation
Acid, highly basic, poisonous and harmful, volatile solution dilution when safety.
The utility model provides a kind of atomic fluorescence current-carrying automatic preparing device, can accomplish Unmanned operation, entirely certainly
Dynamic processing, high-precision, high efficiency.
The utility model provides a kind of atomic fluorescence current-carrying automatic preparing device, can prepare in right amount, not waste material,
So not increasing pollution and treatment cost of waste liquor.
The utility model provides a kind of atomic fluorescence current-carrying automatic preparing device, can prepare in real time, not waste of time,
Matching while using improves working efficiency.
The utility model provides a kind of atomic fluorescence current-carrying automatic preparing device, comprising:
Control device;
Peristaltic pump is connect with the control device;
Blender is connect with the control device;
Liquid mixing bottle is located on an electronic scale, and the blender is located at the top of the liquid mixing bottle;
Liquid storage bottle is connected to the liquid mixing bottle by conduit;
Wherein, the peristaltic pump is arranged on the conduit between the liquid mixing bottle and the liquid storage bottle.
Device provided by the utility model is used for atomic fluorescence alanysis instrument sampling system.By being transported with peristaltic pump
Solution, electronic scale weigh solution quality, are scaled volume or molar ratio, calculate concentration, realize automation control, to reach high
Effect, precision, safe, intelligent function.
Preferably, the blender includes stirring motor, at least one glass bar and fixing piece, and the fixing piece is near
A few glass bar is fixed on the stirring motor, and the stirring motor is connect with the control device.
Stirring motor is opened, motor drives two eccentric glass bars to stir in solution bottle, is sufficiently mixed solution, passes through
Motor stirring can improve work efficiency to avoid the artificial simple duplication of labour, also avoid because artificial stirring is uneven
Or loss caused by misoperation.
Preferably, the blender includes magnetic agitation motor and Magnetic force ball, and the Magnetic force ball is located at the liquid mixing bottle
Bottom, the magnetic agitation motor connect with the control device, and the magnetic agitation motor passes through the electronic scale and sets
In the lower section of the liquid mixing bottle.
Magnetic agitation motor is opened, so that the magnetic force ball rotation of bottom of bottle is driven solution stirring, is sufficiently mixed solution.Pass through electricity
Machine stirring can improve work efficiency to avoid the artificial simple duplication of labour, also avoid because artificial stirring it is uneven or
Loss caused by misoperation.
Preferably, further include temperature sensor, be tightly attached in the lower sidewalls of the liquid mixing bottle, the temperature sensing
Device is connect with the control device.
Temperature sensor is used to detect the temperature of solution in liquid mixing bottle, when the temperature is excessively high, stops pump and gives, prevent outside liquid
It splashes.
Preferably, the conduit includes the first catheter and the second catheter, and the liquid storage bottle includes dilution bottle and mother
Liquid bottle, first catheter are connected to the liquid mixing bottle and the dilution bottle, and the second catheter connection is described to match liquid
Bottle and the mother liquid multi-cavity bottle;
Wherein, first catheter protrudes into the bottom that one end in the dilution bottle is located at the dilution bottle, and described
The both ends of two catheters are located at the bottom of the liquid mixing bottle and the bottom of the mother liquid multi-cavity bottle.
What is installed due to the mother liquid multi-cavity bottle is bigger, volatile, strong corrosive the solution of concentration, when being dissolved in water again
Big calorimetric is released, easily makes water boiling and causing the concentrated sulfuric acid to splash on skin and clothing leads to serious consequence, so, dilution bottle
In dilution be pumped into liquid mixing bottle prior to mother liquor, the both ends of second catheter are respectively protruding into the liquid mixing bottle and described
The bottom of mother liquid multi-cavity bottle is exactly that the bottom of liquid mixing bottle is in for the bigger volatile mother liquor of concentration is slowly mixed with dilution
It closes, when preventing dilution and mother liquor from mixing, mother liquor spluttering causes unnecessary waste and injury.
It preferably, further include 2/2-way solenoid valve, between the liquid mixing bottle and the liquid storage bottle, described two
Two three-way electromagnetic valves of position are arranged on first catheter and second catheter, the 2/2-way solenoid valve and the control
Device connection processed.
By the opening and closing of the 2/2-way solenoid valve so that the liquid of the liquid storage bottle inputted by conduit or
Person stops being input in the liquid mixing bottle.
It preferably, further include solenoid valve and snorkel, one end of the snorkel is inserted into the mother liquid multi-cavity bottle, but is not connect
The mother liquor in the mother liquid multi-cavity bottle is touched, solenoid valve is arranged in the other end of the snorkel, and the solenoid valve and the control device connect
It connects.
The mother liquid multi-cavity bottle takes encapsulation process, and the on and off of the snorkel described in a solenoid valve control only exists
The snorkel can be just opened when extracting mother liquor, remaining time is in closed state.
Preferably, at least one glass bar includes two glass bars, and two glass bars are located at liquid mixing bottle bottom
The two sides at center.
It is more uniform that eccentric glass bar can be such that mixed solution stirs.
Preferably, the control device is one chip microcomputer.
The control device carries out operation by the mother liquor density parameter of parameter and storage to input, obtains required matter
Difference is measured, and is compared with the qualitative data difference of electronic scale input, when reached and next step is carried out, by electronics
The control of signal replaces people to visually observe the error of scale, improves precision and timeliness.Entire solution process for preparation is controlled, is realized
It is full-automatic.
The utility model beneficial effect
1, atomic fluorescence current-carrying automatic preparing device provided by the utility model is significantly reduced easily during sample
Volatilization, the area that is contacted with air of solution to be diluted of deep-etching and condition, the very big safety improved in process for preparation
And reliability.
2, atomic fluorescence current-carrying automatic preparing device provided by the utility model, can be to avoid artificial by motor stirring
The simple duplication of labour, improve work efficiency, also avoid because of loss caused by artificial stirring is uneven or misoperation
With fault.
3, atomic fluorescence current-carrying automatic preparing device provided by the utility model is not only saved material, while will not be increased
Add pollution and treatment cost of waste liquor.
4, atomic fluorescence current-carrying automatic preparing device provided by the utility model, is able to achieve automation control, to reach
Efficiently, precision, safe, intelligent function.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural representation of one embodiment of atomic fluorescence current-carrying automatic preparing device provided by the utility model
Figure;
Fig. 2 is the structural representation of second embodiment of atomic fluorescence current-carrying automatic preparing device provided by the utility model
Figure;
Fig. 3 is the working principle flow chart of atomic fluorescence current-carrying automatic preparing device provided by the utility model;
1- electronic scale, 2- liquid mixing bottle, 3- glass bar, 4- fixing piece, 5- stirring motor, the first catheter of 6-, 7- second are led
Liquid pipe, 8- peristaltic pump, 9- 2/2-way solenoid valve, 10- solenoid valve, 11- dilution bottle, 12- mother liquid multi-cavity bottle, 13- control device, 14-
Temperature sensor, 15- magnetic agitation motor, 16- Magnetic force ball, 17- snorkel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model provides a kind of one embodiment of atomic fluorescence current-carrying automatic preparing device, packet
It includes:
Control device 13;Liquid mixing bottle 2 is located on an electronic scale 1;Peristaltic pump 8 is connect with the control device 13;Stirring
Device, is located at the top of the liquid mixing bottle 2, and the blender is connect with the control device 13;The blender includes stirring
Glass bar 3 described at least one is fixed on the stirring by motor 5, at least one glass bar 3 and fixing piece 4, the fixing piece 4
On motor 5, the stirring motor 5 is connect with the control device 13, and at least one glass bar includes two glass bars 3, and two
Glass bar 3 described in root extends to the two sides of the bottom centre of liquid mixing bottle 2;Liquid storage bottle is connected to the liquid mixing bottle 2 by conduit;
Wherein, the peristaltic pump 8 is arranged on the conduit between the liquid mixing bottle 2 and the liquid storage bottle.The conduit includes the first drain
Pipe 6 and the second catheter 7, the liquid storage bottle include dilution bottle 11 and mother liquid multi-cavity bottle 12, and first catheter 6 is connected to described
Liquid mixing bottle 2 and the dilution bottle 11, second catheter 7 are connected to the liquid mixing bottle 2 and the mother liquid multi-cavity bottle 12;Wherein, described
First catheter 6 protrudes into the bottom that one end in the dilution bottle 11 is located at the dilution bottle 11, and the two of second catheter 7
End is located at the bottom of the liquid mixing bottle 2 and the bottom of the mother liquid multi-cavity bottle 12.
Between the liquid mixing bottle 2 and the liquid storage bottle, the 2/2-way solenoid valve 9 is set 2/2-way solenoid valve 9
It sets on first catheter 6 and second catheter 7, the 2/2-way solenoid valve 9 connects with the control device 13
It connects.It further include a solenoid valve 10 and snorkel 17, one end of the snorkel 17 is inserted into the mother liquid multi-cavity bottle 12, but does not contact institute
The mother liquor in mother liquid multi-cavity bottle 12 is stated, solenoid valve 10 is arranged in the other end of the snorkel 17, and the solenoid valve 10 is filled with the control
Set 13 connections.
Further include temperature sensor 14, be tightly attached in the lower sidewalls of the liquid mixing bottle 2, the temperature sensor 14 with
The control device 13 connects.
Wherein, it is control motor 5, compacted after the control device 13 obtains information feedback from electronic scale 1 and temperature sensor 14
The movement of dynamic pump 8,2/2-way solenoid valve 9 and solenoid valve.
As shown in Fig. 2, the utility model provides a kind of second embodiment of atomic fluorescence current-carrying automatic preparing device, packet
It includes: control device 13;Liquid mixing bottle 2 is located on an electronic scale 1;Peristaltic pump 8 is connect with the control device 13;Blender,
Including magnetic agitation motor 15 and Magnetic force ball 16, the Magnetic force ball 16 is located at the bottom of the liquid mixing bottle 2, the magnetic agitation electricity
Machine 15 is connect with the control device 13, and the magnetic agitation motor 15 passes through the electronic scale 1 and is placed in the liquid mixing bottle 2
Lower section, since electronic scale is depended on pressure sensor measurement, position, as long as perforating in center, embeds a magnetic force not in the positive heart
Stirring motor 15;Liquid storage bottle is connected to the liquid mixing bottle 2 by conduit;Wherein, the liquid mixing bottle 2 is arranged in the peristaltic pump 8
On conduit between the liquid storage bottle.The conduit includes the first catheter 6 and the second catheter 7, the liquid storage bottle include
Dilution bottle 11 and mother liquid multi-cavity bottle 12, first catheter 6 are connected to the liquid mixing bottle 2 and the dilution bottle 11, and described second
Catheter 7 is connected to the liquid mixing bottle 2 and the mother liquid multi-cavity bottle 12;Wherein, first catheter 6 protrudes into the dilution bottle 11
One end is located at the bottom of the dilution bottle 11, and the both ends of second catheter 7 are located at bottom and the institute of the liquid mixing bottle 2
State the bottom of mother liquid multi-cavity bottle 12.
Between the liquid mixing bottle 2 and the liquid storage bottle, the 2/2-way solenoid valve 9 is set 2/2-way solenoid valve 9
It sets on first catheter 6 and second catheter 7, the 2/2-way solenoid valve 9 connects with the control device 13
It connects.It further include a solenoid valve 10 and snorkel 17, one end of the snorkel 17 is inserted into the mother liquid multi-cavity bottle 12, but does not contact institute
The mother liquor in mother liquid multi-cavity bottle 12 is stated, solenoid valve 10 is arranged in the other end of the snorkel 17, and the solenoid valve 10 is filled with the control
Set 13 connections.
Further include temperature sensor 14, be tightly attached in the lower sidewalls of the liquid mixing bottle 2, the temperature sensor 14 with
The control device 13 connects.
Wherein, after the control device 13 obtains information feedback from electronic scale 1 and temperature sensor 14, control motor 15,
The movement of peristaltic pump 8,2/2-way solenoid valve 9 and solenoid valve.
As shown in Figure 1, Figure 2 and Figure 3, the work of atomic fluorescence current-carrying automatic preparing device provided by the utility model is former
Reason: when work, first inputting parameter and demand (solution type, diluted concentration, Dilution-heating method) to control device, after calculating,
Control two three-way electromagnetic valve of two-way is opened and (realizes single sample feeding by each sample introduction of control 2/2-way solenoid valve), and wriggles
The speed and unlatching of pump make peristaltic pump from quantitative dilution (such as pure water) is extracted in dilution bottle into solution bottle, pass through
Electronic scale under solution bottle communicates information to presetting apparatus, is giving each solution it can be concluded that be pumped into the quality of dilution
Under conditions of density parameter, required volume and existing volume are calculated, when reaching required volume, control device controls peristaltic pump
Stopping, switching two three-way electromagnetic valve of two-way leads to position, peristaltic pump is opened, mother liquor, i.e. liquid to be diluted (such as the concentrated sulfuric acid or dense salt
Acid) it is pumped into solution bottle, while stirring motor is opened, motor drives two eccentric glass bars to stir in solution bottle and (or opens
Magnetic agitation motor is opened, the magnetic force ball rotation of bottom of bottle is made to drive solution stirring) it is sufficiently mixed solution, while detecting solution bottle cup
The temperature sensor and electronic scale of bottom stop pump and give, motor is lasting when the temperature is excessively high (higher than the established standards value of input)
Stirring restores pump after temperature reduction and gives, and when the quality of electronic scale transmission reaches predetermined solution concentration conversion quality, stops pump
It gives, stops stirring, and prompt solution to prepare and complete.
Wherein, control device is one chip microcomputer, it is responsible for the input function of all kinds of parameters, is shown in process for preparation
All kinds of parameters, control solenoid valve transposition controls peristaltic pump rotation direction and pump speed, in control stirring module the switch of motor with
Revolving speed reads temperature sensor data and cut-offs according to control peristaltic pump, reads and record electronic scale quality, store multiple standards mother liquor
Density value is compared to input parameter reduction of operation at mass value with the difference of electronic scale reading quality value.
In order to save solution to be diluted (strong acid) for a long time, solution bottle to be diluted takes encapsulation process, with an electromagnetism
Valve controls ventilation pipe switch, only can just open ventilation pipe when extracting solution to be diluted, remaining time is all in closure
State.
Atomic fluorescence current-carrying automatic preparing device provided by the utility model is used for atomic fluorescence alanysis instrument sample introduction system
System, working principle is simple, and structure is simple to operation, full intelligentized control method, safety, high-precision high-efficiency, as long as preset in advance matches
Concentration ratio, the density parameter of volume ratio or mass ratio and two kinds of solution, the volume of required solution can be transported by peristaltic pump
Defeated solution, electronic scale weigh solution quality, are scaled volume or molar ratio, calculate concentration, i.e. program calculates required quality automatically
Value, pump speed and switch pump are controlled by electronic scale feedback data, thus realize that high-precision matches, meanwhile, during sample
It is significantly reduced the area and condition that volatile, deep-etching solution to be diluted is contacted with air, very big improving was prepared
Safety and reliability in journey.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (9)
1. a kind of atomic fluorescence current-carrying automatic preparing device characterized by comprising
Control device;
Peristaltic pump is connect with the control device;
Blender is connect with the control device;
Liquid mixing bottle is located on an electronic scale, and the blender is located at the top of the liquid mixing bottle;
Liquid storage bottle is connected to the liquid mixing bottle by conduit;
Wherein, the peristaltic pump is arranged on the conduit between the liquid mixing bottle and the liquid storage bottle.
2. atomic fluorescence current-carrying automatic preparing device as described in claim 1, which is characterized in that the blender includes stirring
Glass bar described at least one is fixed on the stirring motor by motor, at least one glass bar and fixing piece, the fixing piece
On, the stirring motor is connect with the control device.
3. atomic fluorescence current-carrying automatic preparing device as described in claim 1, which is characterized in that the blender includes magnetic force
Stirring motor and Magnetic force ball, the Magnetic force ball are located at the bottom of the liquid mixing bottle, and the magnetic agitation motor and the control fill
Connection is set, and the magnetic agitation motor passes through the lower section that the electronic scale is placed in the liquid mixing bottle.
4. atomic fluorescence current-carrying automatic preparing device as described in claim 1, which is characterized in that it further include temperature sensor,
In its lower sidewalls for being tightly attached to the liquid mixing bottle, the temperature sensor is connect with the control device.
5. atomic fluorescence current-carrying automatic preparing device as described in claim 1, which is characterized in that the conduit is led including first
Liquid pipe and the second catheter, the liquid storage bottle include dilution bottle and mother liquid multi-cavity bottle, first catheter be connected to the liquid mixing bottle and
The dilution bottle, second catheter are connected to the liquid mixing bottle and the mother liquid multi-cavity bottle;
Wherein, first catheter protrudes into the bottom that one end in the dilution bottle is located at the dilution bottle, and described second leads
The both ends of liquid pipe are located at the bottom of the liquid mixing bottle and the bottom of the mother liquid multi-cavity bottle.
6. atomic fluorescence current-carrying automatic preparing device as claimed in claim 5, which is characterized in that further include 2/2-way electromagnetism
Valve, between the liquid mixing bottle and the liquid storage bottle, 2/2-way solenoid valve setting in first catheter and
On second catheter, the 2/2-way solenoid valve is connect with the control device.
7. atomic fluorescence current-carrying automatic preparing device as claimed in claim 5, which is characterized in that further include solenoid valve and ventilation
Pipe, one end of the snorkel is inserted into the mother liquid multi-cavity bottle, but does not contact the mother liquor in the mother liquid multi-cavity bottle, the snorkel it is another
Solenoid valve is arranged in one end, and the solenoid valve is connect with the control device.
8. atomic fluorescence current-carrying automatic preparing device as claimed in claim 5, which is characterized in that at least one glass bar includes
Two glass bars, and two glass bars are located at the two sides of liquid mixing bottle bottom centre.
9. atomic fluorescence current-carrying automatic preparing device as claimed in any of claims 1 to 8 in one of claims, which is characterized in that described
Control device is one chip microcomputer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821829976.XU CN209173760U (en) | 2018-11-07 | 2018-11-07 | Atomic fluorescence current-carrying automatic preparing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821829976.XU CN209173760U (en) | 2018-11-07 | 2018-11-07 | Atomic fluorescence current-carrying automatic preparing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209173760U true CN209173760U (en) | 2019-07-30 |
Family
ID=67363449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821829976.XU Active CN209173760U (en) | 2018-11-07 | 2018-11-07 | Atomic fluorescence current-carrying automatic preparing device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209173760U (en) |
-
2018
- 2018-11-07 CN CN201821829976.XU patent/CN209173760U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105040702A (en) | Full-automatic intelligent grouting system | |
CN102645361B (en) | Automatic treatment device for animal feed AFB1 content detection sample | |
EP3245500B1 (en) | Optical characterization system for a process plant | |
CN109444244A (en) | Seawater permanganate index analysis system and method | |
CN210108786U (en) | Water sampling all-in-one machine capable of providing circulating water sample | |
CN209173760U (en) | Atomic fluorescence current-carrying automatic preparing device | |
CN105334287A (en) | On-line automatic analyzing device and method for spinning bath components | |
CN105865889A (en) | Automatic diluting device of aerosol sample | |
CN208422243U (en) | Extract production line instructional device | |
CN215877774U (en) | Automatic chemical feeding device of boiler water treatment system | |
CN210604031U (en) | Sampling extraction device for detecting oil content of injected water of offshore platform | |
CN211179541U (en) | Hot oil index on-line detection device | |
CN209589637U (en) | A kind of high-concentration waste water on-line detector water inlet dilution device | |
CN212964268U (en) | Automatic pretreatment device for samples | |
CN104865099B (en) | Suitable for the multifunction sampling pond of fermented sample treatment | |
CN212379348U (en) | Permanganate index on-line monitoring calibrating device | |
CN106153387A (en) | A kind of automatic liquid-sampling device | |
CN206057012U (en) | A kind of automatic liquid-sampling device | |
CN206772382U (en) | A kind of device of precisely liquid quantitative | |
CN115876555B (en) | Pretreatment device and method for mineral leaching liquid online monitoring | |
CN112945721B (en) | Solution supplementing device and method suitable for saturated direct shear test | |
CN221078574U (en) | Automatic titration flow path | |
CN217586508U (en) | Dangerous waste liquid layered sampler | |
CN220897731U (en) | Human body specimen formaldehyde solution perfusion system | |
CN221100739U (en) | Transformer oil on-line monitoring equipment verification instrument |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |