CN220425354U - Liquid preparation and ventilation device for laboratory - Google Patents
Liquid preparation and ventilation device for laboratory Download PDFInfo
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- CN220425354U CN220425354U CN202322260236.6U CN202322260236U CN220425354U CN 220425354 U CN220425354 U CN 220425354U CN 202322260236 U CN202322260236 U CN 202322260236U CN 220425354 U CN220425354 U CN 220425354U
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- 239000007788 liquid Substances 0.000 title claims abstract description 165
- 238000002360 preparation method Methods 0.000 title claims abstract description 80
- 238000009423 ventilation Methods 0.000 title claims abstract description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 123
- 238000006243 chemical reaction Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000002699 waste material Substances 0.000 claims abstract description 37
- 238000012546 transfer Methods 0.000 claims abstract description 32
- 238000001802 infusion Methods 0.000 claims abstract description 4
- 238000005260 corrosion Methods 0.000 claims description 52
- 230000007797 corrosion Effects 0.000 claims description 52
- 238000003756 stirring Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 32
- 239000000835 fiber Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000011978 dissolution method Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a liquid preparation and ventilation device for a laboratory, which comprises a pure water bottle unit, a concentrated alkaline bottle unit, a liquid preparation reaction kettle unit, a concentrated sulfuric acid bottle unit, a waste sulfuric acid bottle unit, a transfer pump unit and a control unit; the pure water bottle unit, the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit and the waste sulfuric acid bottle unit are connected with the liquid preparation reaction kettle unit and the transfer pump unit, the control unit is arranged in the transfer pump unit, and the pure water bottle unit, the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit and the liquid preparation reaction kettle unit are all provided with infusion ports; the control unit comprises a PLC, a power supply and a motor controller. According to the utility model, the sampling liquid preparation is accurately controlled by the PLC, so that the harm of corrosive liquid to human bodies is reduced, and meanwhile, the liquid preparation efficiency of the solution required by a laboratory is improved.
Description
Technical Field
The utility model relates to the technical field of detection, in particular to a liquid distribution and ventilation device for a laboratory.
Background
In printing and dyeing production, the object to be processed is often a blend material composed of two or more kinds of fibers, and therefore, not only the kinds of various fibers are identified, but also the content of various fibers is analyzed. The quantitative analysis method of the blended product generally comprises the steps of splitting the textile into warp and weft yarns, identifying the types of various fibers constituting the yarns by adopting the method, then selecting a proper solvent to dissolve one or more fibers by adopting a dissolution method, and calculating the percentage content of various fibers from the weight loss due to dissolution or the quality of insoluble fibers.
The dissolution method needs to prepare liquid according to a specified proportion aiming at corrosive alkaline reagent, transfer concentrated sulfuric acid and absorb waste sulfuric acid, if the solution is prepared by adopting full manual work, the speed is low, the manual preparation is not accurate enough, if the solution is matched with an automatic machine for dissolution and washing by a sulfuric acid method, the solution is manually prepared, the requirement of automatic operation of equipment cannot be met, and the operation is troublesome.
Disclosure of Invention
In order to improve the convenience of reagent preparation in a laboratory by a dissolution method, the utility model provides a liquid preparation and ventilation device for the laboratory.
The technical scheme is as follows:
the liquid preparation device for the inspection room comprises a pure water bottle unit, a concentrated alkaline bottle unit, a liquid preparation reaction kettle unit, a concentrated sulfuric acid bottle unit, a waste sulfuric acid bottle unit, a transfer pump unit and a control unit;
the pure water bottle unit, the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit and the waste sulfuric acid bottle unit are connected with the liquid preparation reaction kettle unit and the transfer pump unit, the control unit is arranged in the transfer pump unit, and the pure water bottle unit, the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit and the liquid preparation reaction kettle unit are all provided with infusion ports;
the control unit comprises a PLC, a power supply and a motor controller, wherein the power supply is used for supplying power to the PLC, the PLC is used for controlling the motor controller, and the motor controller controls the transfer pump unit to transfer liquid in the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit and the pure water bottle unit to the liquid preparation reaction kettle unit for liquid preparation.
Preferably, the liquid preparation reaction kettle unit comprises a liquid preparation bottle, a driving piece and a stirring paddle, wherein the driving piece is connected to the upper part of the liquid preparation bottle, and the stirring paddle is arranged in the liquid preparation bottle and connected with the driving piece through a coupler.
Preferably, the pure water bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit, the concentrated alkaline bottle unit and the liquid preparation reaction kettle unit are internally provided with a corrosion-resistant liquid level sensor device and a liquid conveying pipe, the corrosion-resistant liquid level sensor device is connected with the PLC, liquid level information is transmitted to the PLC, and then the operation of the transfer pump unit is controlled.
Preferably, the corrosion-resistant liquid level sensor device comprises a corrosion-resistant upper liquid level sensor and a corrosion-resistant lower liquid level sensor, and the corrosion-resistant upper liquid level sensor and the corrosion-resistant lower liquid level sensor are respectively connected to the upper end and the lower end of the liquid conveying pipe.
Preferably, the device further comprises a plurality of corrosion-resistant gas electromagnetic valves, wherein the corrosion-resistant gas electromagnetic valves are respectively connected above the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit and the liquid preparation reaction kettle unit and used for keeping the balance between the air pressure in the bottle and the air pressure outside the bottle.
Preferably, the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit and the liquid preparation reaction kettle unit are further provided with corrosion-resistant filters, and the corrosion-resistant filters are connected with the corrosion-resistant gas electromagnetic valves.
Preferably, the liquid preparation reaction kettle unit further comprises a protective cover and a support column, wherein the support column is connected to the upper portion of the liquid preparation bottle, the protective cover is detachably connected to the upper portion of the support column, the driving piece is arranged in the protective cover, the protective cover is provided with a cable connector, and the cable connector can be connected with the PLC and is used for controlling the driving piece to operate.
Preferably, the transfer pump unit comprises a corrosion-resistant speed regulating pump and a transfusion tube group, the corrosion-resistant speed regulating pump is connected with the transfusion tube group, the transfusion tube group comprises a concentrated sulfuric acid tube, a concentrated alkali solution tube, a waste sulfuric acid tube and a pure water tube, and the transfusion tube group is respectively communicated with the concentrated sulfuric acid bottle unit, the concentrated alkali bottle unit, the pure water bottle unit, the waste sulfuric acid bottle unit and the liquid preparation reaction kettle unit.
Preferably, the pure water bottle unit and the concentrated alkaline bottle unit are detachably connected with a hand-screwed cover, and the hand-screwed cover is arranged at the liquid inlet and outlet.
The ventilation device for the laboratory further comprises a ventilation device and a rack, wherein the ventilation device and the liquid distribution device are both connected to the rack, the ventilation device comprises a fan, a sensor assembly and a motor, and the fan, the sensor assembly and the motor are controlled by the PLC.
Compared with the prior art, the utility model has the following beneficial effects: this join in marriage liquid ventilation unit for inspection room passes through PLC and sets up the content of each liquid that the preparation solution needs, PLC gives motor controller after the circular telegram, motor controller is connected and drive transfer pump package unit with transfer pump package unit, transfer pump package unit and then control concentrated sulfuric acid pipe, concentrated alkaline liquid pipe, and pure water pipe draw quantitative liquid transport to join in marriage liquid reation kettle unit respectively from concentrated sulfuric acid bottle unit, concentrated alkaline bottle unit and pure water bottle unit, carry out the solution that the reaction was prepared through joining in marriage liquid reation kettle unit, draw required solution from joining in marriage liquid reation kettle unit can, it can to carry out the discharge to join in marriage surplus or excessive solution in the liquid reation kettle unit, whole process that the solution was prepared all can be accomplished automatically through PLC control, and is convenient, rapidly, and join in marriage liquid condition in the liquid reation kettle unit can feed back PLC in real time, can know the join in marriage the liquid condition in the liquid reation kettle unit at any time, and make in time join in marriage the liquid instruction.
Drawings
FIG. 1 is a schematic view showing the overall structure of a liquid dispensing device for a laboratory of the present embodiment;
FIG. 2 is a schematic view of another view angle structure of the liquid dispensing device for laboratory of the present embodiment;
FIG. 3 is a schematic view showing the internal structure of a transfer pump unit of the liquid dispensing device for a laboratory of the present embodiment;
FIG. 4 is another view schematically showing the internal structure of a transfer pump unit of the liquid dispensing device for a laboratory of the present embodiment;
FIG. 5 is a sectional view of a liquid preparation reaction tank unit in the liquid preparation apparatus for a laboratory of the present embodiment;
fig. 6 is a circuit control schematic diagram of the control unit of the present embodiment;
FIG. 7 is an internal configuration view of the ventilation device for a laboratory of the present embodiment;
reference numerals illustrate:
100. a pure water bottle unit; 200. a concentrated alkaline bottle unit; 300. a liquid preparation reaction kettle unit; 310. a liquid preparation bottle; 320. a driving member; 330. stirring paddles; 340. a coupling; 350. corrosion-resistant upper level sensor; 360. a corrosion-resistant lower level sensor; 370. a liquid delivery tube; 380. a protective cover; 381. a cable joint; 390. a support column; 400. a concentrated sulfuric acid bottle unit; 500. a waste sulfuric acid bottle unit; 600. a transfer pump unit; 610. corrosion-resistant speed-regulating pump; 620. a concentrated sulfuric acid pipe; 630. a concentrated alkali solution pipe; 640. a waste sulfuric acid pipe; 650. a pure water pipe; 700. a control unit; 710. a power supply; 720. a PLC; 730. a motor controller; 740. a touch screen; 800. a corrosion-resistant gas solenoid valve; 810. a corrosion resistant filter; 900. a frame; 910. a ventilation device; 920. a blower; 930. a sensor assembly.
Detailed Description
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "middle," "inner," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
As shown in fig. 1 to 7, the present embodiment discloses a liquid dispensing device for a laboratory, which includes a pure water bottle unit 100, a concentrated sulfuric acid bottle unit 400, a waste sulfuric acid bottle unit 500, a liquid dispensing reaction kettle unit 300, a transfer pump unit 600, and a control unit 700; the pure water bottle unit 100 is used for storing pure water and providing the pure water to the liquid preparation reaction kettle unit 300 for liquid preparation, the concentrated sulfuric acid bottle unit 400 is used for storing concentrated sulfuric acid and providing the concentrated sulfuric acid to the liquid preparation reaction kettle unit 300 for liquid preparation, the concentrated alkaline bottle unit 200 is used for storing concentrated alkaline solution and providing the concentrated sulfuric acid to the liquid preparation reaction kettle unit 300 for liquid preparation, and the waste sulfuric acid bottle unit 500 is used for storing excessive solution in the liquid preparation reaction kettle unit 300;
the pure water bottle unit 100, the concentrated sulfuric acid bottle unit 400 and the concentrated alkaline bottle unit 200 are respectively provided with an infusion port, the pure water bottle unit 100, the concentrated sulfuric acid bottle unit 400, the concentrated alkaline bottle unit 200 and the waste sulfuric acid bottle unit 500 are respectively communicated with the liquid preparation reaction kettle unit 300 through a transfer pump unit 600, a control unit 700 is arranged in the transfer pump unit 600, the liquid in the pure water bottle unit 100, the concentrated sulfuric acid bottle unit 400 and the concentrated alkaline bottle unit 200 is conveyed into the liquid preparation reaction kettle unit 300 through the control unit 700 to be reacted and prepared, and the control unit 700 comprises a PLC720, a power supply 710 and a motor controller 730;
the method comprises the steps of firstly setting dosage parameters required by each component for preparing the required solution through a PLC720, switching on a power supply 710, controlling a motor controller 730 to drive a transfer pump unit 600 through the PLC720, conveying each required dosage of reagent from a pure water bottle unit 100, a concentrated sulfuric acid bottle unit 400 and a concentrated alkaline bottle unit 200 to a solution preparation reaction kettle unit 300 respectively by the transfer pump unit 600, carrying out reaction solution preparation, namely extracting the required solution from the solution preparation reaction kettle unit 300, conveying excessive solution in the solution preparation reaction kettle unit 300 to a waste sulfuric acid bottle unit 500 for storage, and simultaneously monitoring the solution quantity in the solution preparation reaction kettle unit 300 in real time by the PLC720, so that the condition of liquid in the solution preparation reaction kettle unit 300 can be observed at any time, and timely making instructions for extracting the solution from other solution bottles according to solution information fed back by the solution preparation reaction kettle unit 300.
In this embodiment, the liquid preparation reaction kettle unit 300 includes a liquid preparation bottle 310, a driving member 320 and a stirring paddle 330, where the stirring paddle 330 penetrates through the liquid preparation bottle 310, and is used for stirring the liquid in the liquid preparation bottle 310 to make it react fully, and the driving member 320 is located above the liquid preparation bottle 310 and connected with the stirring paddle 330 through a coupling 340, and is used for driving the stirring paddle 330 to rotate, so that the liquid in the liquid preparation bottle 310 reacts more fully and quickly, and the liquid preparation efficiency of the liquid preparation reaction kettle unit 300 is improved.
Still including locating the safety cover 380 and the support column 390 of joining in marriage the liquid bottle 310 outward in this embodiment, the top that the support column 390 is perpendicular to join in marriage liquid bottle 310 is used for supporting driving piece 320, the safety cover 380 is along vertical direction detachable connection in the top of support column 390, the outside of driving piece 320 is located to the safety cover 380 cover for protect driving piece 320 from corrosion of corrosive solution, the lateral wall of safety cover 380 still is equipped with cable joint 381, cable joint 381 can be used to be connected with PLC720, realize the control of PLC720 to driving piece 320, thereby realize carrying liquid and stirring and go on simultaneously, improve the liquid efficiency of joining in marriage.
In this embodiment, the pure water bottle unit 100, the concentrated sulfuric acid bottle unit 400, the waste sulfuric acid bottle unit 500, the concentrated alkaline bottle unit 200 and the liquid preparation reaction kettle unit 300 are respectively provided with a corrosion-resistant liquid level sensor and a liquid conveying pipe 370, the liquid conveying pipe 370 is used for conveying liquid to the liquid preparation bottle 310 of the liquid preparation reaction kettle unit 300, the corrosion-resistant liquid level sensor comprises a corrosion-resistant upper liquid level sensor 350 and a corrosion-resistant lower liquid level sensor 360, the corrosion-resistant upper liquid level sensor 350 is arranged at the upper end of the liquid conveying pipe 370, the corrosion-resistant lower liquid level sensor 360 is arranged at the lower end of the liquid conveying pipe 370, and the corrosion-resistant upper liquid level sensor 350 and the corrosion-resistant lower liquid level sensor 360 transmit signals to the PLC720, so that the liquid content in the pure water bottle unit 100, the concentrated sulfuric acid bottle unit 400, the waste sulfuric acid bottle unit 500, the concentrated alkaline bottle unit 200 and the liquid preparation reaction kettle unit 300 can be mastered timely.
In this embodiment, the system further includes a plurality of corrosion-resistant gas solenoid valves 800 and a plurality of corrosion-resistant filters 810, wherein the concentrated sulfuric acid bottle unit 400, the waste sulfuric acid bottle unit 500, the concentrated alkaline bottle unit 200 and the liquid preparation reaction kettle unit 300 are respectively provided with one corrosion-resistant gas solenoid valve 800 and one corrosion-resistant filter 810, the corrosion-resistant gas solenoid valves 800 are communicated with the concentrated sulfuric acid bottle unit 400, the waste sulfuric acid bottle unit 500, the concentrated alkaline bottle unit 200 and the liquid preparation reaction kettle unit 300, and are used for keeping the air pressure balance in the concentrated sulfuric acid bottle unit 400, the waste sulfuric acid bottle unit 500, the concentrated alkaline bottle unit 200 and the liquid preparation reaction kettle unit 300, and the corrosion-resistant filters 810 are connected with the corrosion-resistant gas solenoid valves and are used for filtering the gas entering the corrosion-resistant gas solenoid valves 800.
The transfer pump unit 600 includes a corrosion-resistant speed-regulating pump 610 and a transfusion tube set, the transfusion tube set includes a concentrated sulfuric acid tube 620, a concentrated alkaline solution tube 630, a waste sulfuric acid tube 640 and a pure water tube 650, the corrosion-resistant speed-regulating pump 610 is provided with a plurality of pumps, which are respectively arranged on the respective tubes, the concentrated sulfuric acid tube 620 is used for conveying the liquid in the concentrated sulfuric acid bottle unit 400 to the liquid preparation reaction kettle unit 300, the concentrated alkaline solution tube 630 is used for conveying the liquid in the concentrated alkaline bottle unit 200 to the liquid preparation reaction kettle unit 300, the waste sulfuric acid tube 640 is used for conveying the redundant liquid in the liquid preparation reaction kettle unit 300 to the waste sulfuric acid bottle unit 500, and the pure water tube 650 is used for conveying the liquid in the pure water bottle unit 100 to the liquid preparation reaction kettle unit 300.
In this embodiment, the concentrated alkaline bottle unit 200, the concentrated sulfuric acid bottle unit 400, the waste sulfuric acid bottle unit 500, the pure water bottle unit 100 and the liquid preparation reaction kettle unit 300 are all provided with liquid inlets and outlets, and the concentrated alkaline bottle unit 200 and the pure water bottle unit 100 are also detachably connected with a hand screw cap, and the hand screw cap is connected to the liquid inlets and outlets.
As shown in fig. 7, the embodiment discloses a ventilation device 910 for a laboratory, which further comprises a ventilation device 910 and a liquid distribution frame 900, wherein the ventilation device 910 and the liquid distribution device are arranged in the frame 900, the ventilation device 910 comprises a fan 920, a sensor assembly 930 and a motor, the fan 920 and the sensor assembly 930 are both connected to the side wall of the frame 900, and the motor and the sensor assembly 930 are connected with a PLC720 for driving the fan 920 to ventilate.
The working principle of the utility model is as follows: the parameter setting is performed on the PLC720, the solution dosage required to be extracted from each unit is prepared, after the power supply 710 is connected, the PLC720 transmits a signal instruction to the motor controller 730, the motor controller 730 further controls the transfer pump unit 600, the transfer pump unit 600 respectively extracts the solutions in the pure water bottle unit 100, the concentrated sulfuric acid bottle unit 400 and the concentrated alkaline bottle unit 200, the solutions in the pure water bottle unit 100, the concentrated sulfuric acid bottle unit 400 and the concentrated alkaline bottle unit 200 are quantitatively pumped to the liquid preparation reaction kettle unit 300, the solutions react in the liquid preparation reaction kettle unit 300, so that the solution required to be prepared is prepared, the solutions extracted in the pure water bottle unit 100, the concentrated sulfuric acid bottle unit 400 and the concentrated alkaline bottle unit 200 can be quantitatively controlled through the control of the PLC720, the sampling is more accurate, and the liquid preparation process is controlled by the PLC, so that the operation is safe and convenient, and the liquid preparation efficiency of a test room is improved.
The embodiments of the present utility model are not limited thereto, and the present utility model may be modified, substituted or combined in various other forms without departing from the basic technical spirit of the present utility model, which falls within the scope of the claims, according to the above-described aspects of the present utility model, using the general knowledge and conventional means of the art.
Claims (10)
1. The liquid preparation device for the laboratory is characterized by comprising a pure water bottle unit, a concentrated alkaline bottle unit, a liquid preparation reaction kettle unit, a concentrated sulfuric acid bottle unit, a waste sulfuric acid bottle unit, a transfer pump unit and a control unit;
the pure water bottle unit, the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit and the waste sulfuric acid bottle unit are connected with the liquid preparation reaction kettle unit and the transfer pump unit, the control unit is arranged in the transfer pump unit, and the pure water bottle unit, the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit and the liquid preparation reaction kettle unit are all provided with infusion ports;
the control unit comprises a PLC, a power supply and a motor controller, wherein the power supply is used for supplying power to the PLC, the PLC is used for controlling the motor controller, and the motor controller controls the transfer pump unit to transfer liquid in the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit and the pure water bottle unit to the liquid preparation reaction kettle unit for liquid preparation.
2. The liquid dispensing device for a laboratory according to claim 1, wherein the liquid dispensing reaction kettle unit comprises a liquid dispensing bottle, a driving member and a stirring paddle, the driving member is connected to the upper part of the liquid dispensing bottle, and the stirring paddle is arranged in the liquid dispensing bottle and is connected with the driving member through a coupling.
3. The liquid preparation device for the laboratory according to claim 1, wherein the pure water bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit, the concentrated alkaline bottle unit and the liquid preparation reaction kettle unit are respectively provided with a corrosion-resistant liquid level sensor device and a liquid conveying pipe, and the corrosion-resistant liquid level sensor device is connected with the PLC and transmits liquid level information to the PLC so as to control the operation of the transfer pump unit.
4. A laboratory liquid dispensing apparatus according to claim 3, wherein said corrosion resistant liquid level sensor means comprises a corrosion resistant upper liquid level sensor and a corrosion resistant lower liquid level sensor, said corrosion resistant upper liquid level sensor and said corrosion resistant lower liquid level sensor being connected to the upper end and the lower end of said liquid delivery tube, respectively.
5. The liquid dispensing device for laboratory according to claim 4, further comprising a plurality of corrosion-resistant gas solenoid valves, wherein the plurality of corrosion-resistant gas solenoid valves are respectively connected above the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit and the liquid dispensing reaction kettle unit, and are used for keeping the balance of the air pressure in the bottle and the air pressure outside the bottle.
6. The liquid dispensing device for laboratory according to claim 5, wherein the concentrated alkaline bottle unit, the concentrated sulfuric acid bottle unit, the waste sulfuric acid bottle unit and the liquid dispensing reaction kettle unit are further provided with a corrosion-resistant filter, and the corrosion-resistant filter is connected with the corrosion-resistant gas electromagnetic valve.
7. The liquid dispensing device for laboratory according to claim 2, wherein the liquid dispensing reaction kettle unit further comprises a protective cover and a support column, the support column is connected above the liquid dispensing bottle, the protective cover is detachably connected above the support column, the driving member is arranged in the protective cover, the protective cover is provided with a cable connector, and the cable connector can be connected with the PLC for controlling the operation of the driving member.
8. The liquid dispensing device for laboratory according to claim 1, wherein the transfer pump unit comprises a corrosion-resistant speed-regulating pump and a liquid-feeding tube group, the corrosion-resistant speed-regulating pump is connected to the liquid-feeding tube group, the liquid-feeding tube group comprises a concentrated sulfuric acid tube, a concentrated alkaline solution tube, a waste sulfuric acid tube and a pure water tube, and the liquid-feeding tube group respectively communicates the concentrated sulfuric acid bottle unit, the concentrated alkaline bottle unit, the pure water bottle unit, the waste sulfuric acid bottle unit and the liquid-dispensing reaction kettle unit.
9. The liquid dispensing device for laboratory as set forth in claim 1, wherein said pure water bottle unit and said concentrated alkaline bottle unit are detachably connected with a hand screw cap provided at said liquid inlet and outlet.
10. A ventilation device for a laboratory, comprising the liquid dispensing device for a laboratory according to any one of claims 1 to 9, and further comprising a ventilation device and a frame, wherein the ventilation device and the liquid dispensing device are both connected to the frame, the ventilation device comprises a fan, a sensor assembly and a motor, and the fan, the sensor assembly and the motor are all controlled by the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322260236.6U CN220425354U (en) | 2023-08-22 | 2023-08-22 | Liquid preparation and ventilation device for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322260236.6U CN220425354U (en) | 2023-08-22 | 2023-08-22 | Liquid preparation and ventilation device for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220425354U true CN220425354U (en) | 2024-02-02 |
Family
ID=89692119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322260236.6U Active CN220425354U (en) | 2023-08-22 | 2023-08-22 | Liquid preparation and ventilation device for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220425354U (en) |
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2023
- 2023-08-22 CN CN202322260236.6U patent/CN220425354U/en active Active
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