CN210473123U - Automatic change extraction device - Google Patents
Automatic change extraction device Download PDFInfo
- Publication number
- CN210473123U CN210473123U CN201921320351.5U CN201921320351U CN210473123U CN 210473123 U CN210473123 U CN 210473123U CN 201921320351 U CN201921320351 U CN 201921320351U CN 210473123 U CN210473123 U CN 210473123U
- Authority
- CN
- China
- Prior art keywords
- liquid
- storage chamber
- detection sensor
- liquid storage
- interface detection
- 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
Images
Abstract
The utility model discloses an automatic change extraction device, which comprises a base, the liquid reserve chamber, the stirring subassembly, the liquid level passes the subassembly, PLC controller and control panel, the liquid reserve chamber sets up in the up end of base, the stirring subassembly sets up inside the liquid reserve chamber, the liquid level passes the subassembly and sets up in the inside lower extreme of liquid reserve chamber, the liquid level passes the subassembly and is used for adjusting the height at the interior liquid layering interface of liquid reserve chamber, the liquid reserve chamber top is equipped with the charge door, the liquid reserve chamber upper end is equipped with first leakage fluid dram, the liquid reserve chamber lower extreme is equipped with the second leakage fluid dram, be equipped with first solenoid valve in the first leakage fluid dram, be equipped with the second solenoid valve in the second leakage fluid dram, the lower edge of first leakage fluid dram is equipped with first interface detection sensor, the last edge of second leakage fluid dram is equipped with second interface detection sensor, the stirring subassembly, the liquid level passes the subassembly, control panel, and the second interface detection sensor is connected with the PLC. The device is suitable for industrial-grade extraction separation operation.
Description
Technical Field
The utility model relates to an extraction equipment technical field, concretely relates to change extraction device.
Background
Solution extraction is a method for transferring a target substance from one solvent to another solvent by utilizing the difference of solubility or distribution coefficient of the target substance in two mutually insoluble (or slightly soluble) solvents, and is widely applied to the industries of chemistry, metallurgy, food and the like. The extraction procedure is generally as follows: adding the solvent A and the solvent B dissolved with the target substance into a separating funnel, violently shaking the separating funnel to uniformly mix the solvent A and the solvent B, so that the target substance is fully dissolved into the solvent B, standing for layering, and naturally dividing into an upper layer and a lower layer by utilizing the density difference of the two solvents; then, the lower-layer solvent flows out from the lower port of the separating funnel by utilizing the action of gravity, and the upper-layer solvent is poured out from the upper port of the separating funnel; then the solvent with the target substance dissolved therein is subjected to the next treatment and the target substance is separated. However, the extraction separation technology is only suitable for small-scale laboratory experiments, and the difficulty of the industrialized extraction separation technology lies in the accurate judgment of the layered interface. In the process of separating liquid in extraction and separation operations in a laboratory, experienced experimenters can easily judge a layering interface by visual inspection to facilitate the separation of an upper layer solvent and a lower layer solvent by utilizing the weak difference of refractive indexes of the two solvents, thereby achieving the purpose of separating liquid. However, most of the instruments used for large-scale industrial extraction and separation are stainless steel and ceramic containers made of relatively large opaque materials, which makes operators unable to judge the layered interface by visual observation, thus hindering the development of industrial-scale automatic extraction and separation technology.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide an automatic extraction device, the device is applicable to the extraction separation operation among the industrial production process, and the device's extraction separation process automation to reduce artifical participation, improved extraction separation efficiency.
In order to achieve the purpose, the technical scheme of the utility model is to design an automatic extraction device, including base, stock solution room, stirring subassembly, liquid level lapse subassembly, PLC controller and control panel, the stock solution room sets up in the up end of base, the stirring subassembly sets up inside the stock solution room, the liquid level lapse subassembly sets up in the inside lower extreme of stock solution room, and the liquid level lapse subassembly is used for adjusting the height at the interior liquid layering interface of stock solution room, and the stock solution room top is equipped with the charge door, and the stock solution room upper end is equipped with first leakage fluid dram, and the stock solution room lower extreme is equipped with the second leakage fluid dram, is equipped with first solenoid valve in the first leakage fluid dram, is equipped with the second solenoid valve in the second leakage fluid dram, and the lower edge of first leakage fluid dram is equipped with first interface detection sensor, and the last edge of second leakage fluid dram is equipped with the second interface detection sensor, stirring subassembly, the first electromagnetic valve, the second electromagnetic valve, the first interface detection sensor and the second interface detection sensor are all connected with the PLC.
The device of the utility model realizes the industrial automation of extraction separation, reduces the degree of manual participation on one hand, and avoids the potential safety hazard of organic solvents to the health of personnel when the extraction separation is carried out manually; on the other hand, the device realizes the industrialized scale of the extraction separation technology and improves the overall efficiency of chemical production.
In order to facilitate smooth preparation and application implementation of the device, the preferred technical scheme is that an inverted U-shaped support is arranged on the upper end face of the base, the stirring assembly comprises a driving motor and a stirring shaft, a first vertical through hole is formed in the center of the top of the liquid storage chamber, a first bearing seat is arranged in the first vertical through hole, the driving motor is arranged on the inverted U-shaped support, the upper end of the stirring shaft penetrates through the first bearing seat and is fixedly connected with an output shaft of the driving motor through a first speed reducer, and a spiral blade structure is arranged on the outer peripheral side of the stirring shaft; the liquid level pushes away the subassembly and includes push board, pneumatic cylinder and push rod, push board week side and the sealed sliding fit of liquid reserve room inner wall, and the bottom center of liquid reserve room is equipped with the vertical through-hole of second, is equipped with the second bearing frame in the vertical through-hole of second, push rod upper end and push board lower extreme end center fixed connection, the push rod lower extreme runs through the piston fixed connection of second bearing frame and pneumatic cylinder, the stroke of push board is located the (mixing) shaft below.
In order to prevent that first interface detection sensor and second interface detection sensor from causing the hindrance to the operation of pushing away the board, further preferred technical scheme still, first interface detection sensor and second interface detection sensor all sink in and set up on the inner wall of stock solution room, and first interface detection sensor and second interface detection sensor all establish to the arc curved surface structure that flushes with the stock solution indoor wall towards one side of stock solution room.
Whether thorough for the convenience of accurate judgement solution layering in the liquid storage chamber, further preferred technical scheme still be equipped with laser emitter on one side of the liquid storage chamber inner wall, the correspondence of liquid storage chamber inner wall opposite side is equipped with laser receiver, and laser emitter and laser receiver all are located the top of pushing plate stroke, and laser emitter and laser receiver all are connected with the PLC controller. When the solvent in the liquid storage chamber is layered thoroughly, the refractive index of each solvent layer is uniform, the laser cannot be refracted in the uniform and stable solvent layer, the laser signal at the same height can be received by the laser receiver at the same height, and otherwise, the laser signal cannot be received by the laser receiver at the same height.
In order to facilitate the complete discharge of the solvent at the lower layer, the upper end surface of the pushing plate is designed to be a slope structure, the second liquid outlet is located above the pushing plate, the lowest end of the upper end surface of the pushing plate is flush with the lower edge of the second liquid outlet, and the lowest end of the upper end surface of the pushing plate is further provided with a gravity sensor. The upper end surface of the pushing plate is provided with a slope structure, so that the solvent on the lower layer can be completely discharged; meanwhile, the gravity sensor is convenient for judging whether the liquid in the lower layer is completely discharged or not.
In order to facilitate smooth preparation and application implementation of the device, a further preferred technical solution is that the first interface detection sensor and the second interface detection sensor are both density sensors. The extraction solvent is generally selected based on the layering that the density difference is large and the extraction solvent is incompatible with each other, and a density sensor is selected as a layered interface detector, so that the implementation feasibility of the device is improved.
The liquid storage chamber is provided with a heat preservation shell outside, the heat preservation shell is fixedly connected with the outer wall of the liquid storage chamber in a sealing mode, the upper end of one side of the heat preservation shell is provided with a liquid inlet, and the lower end of the other side of the heat preservation shell is provided with a liquid outlet. Temperature is a key factor affecting the extraction separation effect: particularly in winter, the solvent may be frozen, which affects the extraction and separation efficiency; in summer, the organic solvent is volatile, and the extraction separation efficiency is also influenced. The medium with proper temperature can be introduced into the heat preservation shell to ensure the temperature of the solvent in the liquid storage chamber, thereby ensuring the extraction and separation efficiency.
In order to facilitate accurate setting of the working conditions of the device, a further preferred technical scheme is that a power switch, a working switch, a stirring time setting knob, a liquid density input module and a display module are arranged on the control panel.
In order to facilitate visual display of the working conditions of the device, a further preferred technical solution is that the liquid density input module includes a first liquid density input frame and a second liquid density input frame, and the display module includes a first liquid density display unit and a second liquid density display unit.
The utility model has the advantages and the beneficial effects that:
1. the device of the utility model realizes the industrial automation of extraction separation, reduces the degree of manual participation on one hand, and avoids the potential safety hazard of organic solvents to the health of personnel when the extraction separation is carried out manually; on the other hand, the device realizes the industrialized scale of the extraction separation technology and improves the overall efficiency of chemical production.
2. The first interface detection sensor and the second interface detection sensor are both arranged on the inner wall of the liquid storage chamber in an inwards-recessed mode, and an arc-shaped curved surface structure which is flush with the inner wall of the liquid storage chamber is arranged on one side face, facing the liquid storage chamber, of the first interface detection sensor and the second interface detection sensor. The first interface detection sensor and the second interface detection sensor are prevented from blocking the operation of the push plate.
3. Liquid storage intracavity wall one side is equipped with laser emitter, and liquid storage intracavity wall opposite side correspondence is equipped with laser receiver, and laser emitter and laser receiver all are located the top of pushing plate stroke, and laser emitter and laser receiver all are connected with the PLC controller. When the solvent in the liquid storage chamber is layered thoroughly, the refractive index of each solvent layer is uniform, the laser cannot be refracted in the uniform and stable solvent layer, the laser signal at the same height can be received by the laser receiver at the same height, and otherwise, the laser signal cannot be received by the laser receiver at the same height. Thereby, the layering condition of the solution in the liquid storage chamber can be judged more accurately.
4. The upper end surface of the pushing plate is of a slope structure, the second liquid outlet is located above the pushing plate, the lowest end of the upper end surface of the pushing plate is flush with the lower edge of the second liquid outlet, and the lowest end of the upper end surface of the pushing plate is further provided with a gravity sensor. The upper end surface of the pushing plate is provided with a slope structure, so that the solvent on the lower layer can be completely discharged; meanwhile, the gravity sensor is convenient for judging whether the liquid in the lower layer is completely discharged or not.
5. The first interface detection sensor and the second interface detection sensor are both density sensors. The extraction solvent is generally selected based on the layering that the density difference is large and the extraction solvent is incompatible with each other, and a density sensor is selected as a layered interface detector, so that the implementation feasibility of the device is improved.
6. The liquid storage chamber is provided with a liquid inlet, the liquid storage chamber is provided with a liquid outlet, the liquid outlet is arranged at the lower end of the other side of the liquid storage chamber, and the liquid storage chamber is provided with a liquid outlet. Temperature is a key factor affecting the extraction separation effect: particularly in winter, the solvent may be frozen, which affects the extraction and separation efficiency; in summer, the organic solvent is volatile, and the extraction separation efficiency is also influenced. The medium with proper temperature can be introduced into the heat preservation shell to ensure the temperature of the solvent in the liquid storage chamber, thereby ensuring the extraction and separation efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the automatic extraction device of the present invention.
In the figure: 1. a base; 2. a liquid storage chamber; 3. a feed inlet; 4. a first drain port; 5. a second liquid discharge port; 6. a first solenoid valve; 7. a second solenoid valve; 8. a first interface detection sensor; 9. a second interface detection sensor; 10. an inverted U-shaped bracket; 11. a drive motor; 12. a stirring shaft; 13. a first bearing housing; 14. a first decelerator; 15. a helical blade; 16. a pushing plate; 17. a hydraulic cylinder; 18. a push rod; 19. a second bearing housing; 20. a laser transmitter; 21. a laser receiver; 22. a heat preservation shell; 23. a liquid inlet; 24. a liquid outlet; 25. a gravity sensor; 26. and (5) sealing rings.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the utility model relates to an automatic change extraction device, including base 1, stock solution room 2, stirring subassembly, liquid level lapse subassembly, PLC controller and control panel, stock solution room 2 sets up in the up end of base 1, the stirring subassembly sets up inside stock solution room 2, the liquid level lapse subassembly sets up in the inside lower extreme of stock solution room 2, and the liquid level lapse subassembly is used for adjusting the height at liquid layering interface in stock solution room 2, and stock solution room 2 top is equipped with charge door 3, and stock solution room 2 upper end is equipped with first drain port 4, and the stock solution room 2 lower extreme is equipped with second leakage fluid dram 5, is equipped with first solenoid valve 6 in first drain port 4, is equipped with second solenoid valve 7 in second leakage fluid dram 5, and the lower edge of first drain port 4 is equipped with first interface detection sensor 8, and the last edge of second leakage fluid dram 5 is equipped with second interface detection sensor 9, stirring subassembly, The liquid level pushing assembly, the control panel, the first electromagnetic valve 6, the second electromagnetic valve 7, the first interface detection sensor 8 and the second interface detection sensor 9 are all connected with the PLC. An inverted U-shaped support 10 is arranged on the upper end face of the base 1, the stirring assembly comprises a driving motor 11 and a stirring shaft 12, a first vertical through hole is formed in the center of the top of the liquid storage chamber 2, a first bearing seat 13 is arranged in the first vertical through hole, the driving motor 11 is arranged on the inverted U-shaped support 10, the upper end of the stirring shaft 12 penetrates through the first bearing seat 13 and is fixedly connected with an output shaft of the driving motor 11 through a first speed reducer 14, and a spiral blade 15 structure is arranged on the outer peripheral side of the stirring shaft 12; the liquid level pushes away the subassembly and includes pushing away board 16, pneumatic cylinder 17 and push rod 18, 16 week sides of pushing away board and the sealed sliding fit of 2 inner walls in stock solution room, and the bottom center of stock solution room 2 is equipped with the vertical through-hole of second, is equipped with second bearing frame 19 in the vertical through-hole of second, push rod 18 upper end and pushing away 16 lower extreme face center fixed connection, push rod 18 lower extreme runs through second bearing frame 19 and pneumatic cylinder 17's piston fixed connection, the stroke of pushing away board 16 is located (mixing) shaft 12 below. First interface detection sensor 8 and second interface detection sensor 9 all sink into and set up on the inner wall of liquid reserve room 2, and first interface detection sensor 8 and second interface detection sensor 9 all establish to the arc curved surface structure that flushes with the inner wall of liquid reserve room 2 towards one side of liquid reserve room 2. 2 inner wall one side of stock solution room is equipped with laser emitter 20, and 2 inner wall opposite sides of stock solution room correspond and are equipped with laser receiver 21, and laser emitter 20 and laser receiver 21 all are located the top of pushing away 16 strokes of board, and laser emitter 20 and laser receiver 21 all are connected with the PLC controller. The upper end surface of the pushing plate 16 is of a slope surface structure, the second liquid outlet 5 is positioned above the pushing plate 16, the lowest end of the upper end surface of the pushing plate 16 is flush with the lower edge of the second liquid outlet 5, and the lowest end of the upper end surface of the pushing plate 16 is further provided with a gravity sensor 25. The first interface detection sensor 8 and the second interface detection sensor 9 are both density sensors. The outside of liquid storage chamber 2 still is equipped with heat preservation shell 22, and heat preservation shell 22 and the sealed fixed connection of 2 outer walls of liquid storage chamber, heat preservation shell 22 one side upper end is equipped with inlet 23, and heat preservation shell 22 opposite side lower extreme is equipped with liquid outlet 24. A seal ring 26 is provided in the circumferential direction of the pusher plate 16. The control panel is provided with a power switch, a working switch, a stirring time setting knob, a liquid density input module and a display module. The liquid density input module comprises a first liquid density input frame and a second liquid density input frame, and the display module comprises a first liquid density display unit and a second liquid density display unit.
The utility model discloses the theory of use of device:
step 1: 2/3 for adding the solvent A and the solvent B dissolved with the target substance into the liquid storage chamber 2 according to a certain volume ratio, and making the sum of the volumes of the two solvents not larger than the volume of the liquid storage chamber 2;
step 2: starting a power switch on a control panel, setting the stirring time of the stirring component through a stirring time setting knob, and inputting the density value X of the solvent A through a first liquid density input frame and the density value Y of the solvent B through a second liquid density input frame, wherein Y is larger than X;
and step 3: start the work switch on the control panel, the stirring subassembly begins to stir the solution in the stock solution room 2, and after the stirring, the solution in the stock solution room 2 stews, and laser emitter 20 and laser receiver 21 test the state of stewing with the solution of certain time interval in to the stock solution room 2: when the laser receiver 21 receives a laser extraction solvent sent by the laser emitter 20, the selection generally takes the fact that the density difference is large and the density difference is incompatible as a layering basis, and a density sensor is selected as a layering interface detector, so that the implementation feasibility signal of the device is improved, the first electromagnetic valve 6 in the first liquid discharge port 4 is opened, meanwhile, the hydraulic cylinder 17 starts to act, the push rod 18 drives the push plate 16 to move upwards, and when the first interface detection sensor 8 on the lower edge of the first liquid discharge port 4 detects that the density value is changed from X mutation to Y, the first electromagnetic valve 6 is closed, namely, the upper layer solvent is discharged; meanwhile, the hydraulic cylinder 17 starts to be restored, when the second interface detection sensor 9 on the upper edge of the second liquid discharge port 5 detects that the density value is suddenly changed from 0 (the air density is 0) to Y, the second electromagnetic valve 7 is opened, the lower-layer solvent is discharged from the second liquid discharge port 5, and when the gravity sensor 25 cannot detect a gravity signal, the second electromagnetic valve 7 is closed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides an automatic change extraction device, its characterized in that, includes base, liquid storage chamber, stirring subassembly, liquid level and passes subassembly, PLC controller and control panel, the liquid storage chamber sets up in the up end of base, the stirring subassembly sets up inside the liquid storage chamber, the liquid level passes the subassembly and sets up in the inside lower extreme of liquid storage chamber, and the liquid level passes the subassembly and is used for adjusting the height at the interior liquid layering interface of liquid storage chamber, and the liquid storage chamber top is equipped with the charge door, and the liquid storage chamber upper end is equipped with first leakage fluid dram, and the liquid storage chamber lower extreme is equipped with the second leakage fluid dram, is equipped with first solenoid valve in the first leakage fluid dram, is equipped with the second solenoid valve in the second leakage fluid dram, and the lower edge of first leakage fluid dram is equipped with first interface detection sensor, and the last edge of second leakage fluid dram is equipped with second interface detection sensor, stirring subassembly, liquid level, The first interface detection sensor and the second interface detection sensor are connected with the PLC.
2. The automatic extraction device according to claim 1, wherein an inverted U-shaped bracket is provided on the upper end surface of the base, the stirring assembly comprises a driving motor and a stirring shaft, a first vertical through hole is provided in the center of the top of the liquid storage chamber, a first bearing seat is provided in the first vertical through hole, the driving motor is provided on the inverted U-shaped bracket, the upper end of the stirring shaft penetrates through the first bearing seat and is fixedly connected with an output shaft of the driving motor through a first speed reducer, and a spiral blade structure is provided on the outer circumferential side of the stirring shaft;
the liquid level pushes away the subassembly and includes push board, pneumatic cylinder and push rod, push board week side and the sealed sliding fit of liquid reserve room inner wall, and the bottom center of liquid reserve room is equipped with the vertical through-hole of second, is equipped with the second bearing frame in the vertical through-hole of second, push rod upper end and push board lower extreme end center fixed connection, the push rod lower extreme runs through the piston fixed connection of second bearing frame and pneumatic cylinder, the stroke of push board is located the (mixing) shaft below.
3. The automatic extraction device of claim 2, wherein the first interface detection sensor and the second interface detection sensor are both disposed on the inner wall of the liquid storage chamber in a recessed manner, and one side surfaces of the first interface detection sensor and the second interface detection sensor facing the liquid storage chamber are both disposed in an arc-shaped curved surface structure flush with the inner wall of the liquid storage chamber.
4. An automatic extraction device as claimed in claim 3, wherein a laser emitter is disposed on one side of the inner wall of the liquid storage chamber, a laser receiver is correspondingly disposed on the other side of the inner wall of the liquid storage chamber, the laser emitter and the laser receiver are both located above the stroke of the push plate, and the laser emitter and the laser receiver are both connected with the PLC controller.
5. The automatic extraction device according to claim 4, wherein the upper end surface of the pushing plate is provided with a slope structure, the second liquid outlet is positioned above the pushing plate, the lowest end of the upper end surface of the pushing plate is flush with the lower edge of the second liquid outlet, and the lowest end of the upper end surface of the pushing plate is further provided with a gravity sensor.
6. The automated extraction apparatus of claim 5, wherein the first interface detection sensor and the second interface detection sensor are both density sensors.
7. An automatic extraction apparatus as claimed in claim 6, wherein a thermal insulation shell is disposed outside the liquid storage chamber, the thermal insulation shell is fixedly connected with the outer wall of the liquid storage chamber in a sealing manner, a liquid inlet is disposed at the upper end of one side of the thermal insulation shell, and a liquid outlet is disposed at the lower end of the other side of the thermal insulation shell.
8. The automatic extraction device according to claim 7, wherein the control panel is provided with a power switch, a working switch, a stirring time setting knob, a liquid density input module and a display module.
9. The automated extraction apparatus of claim 8, wherein the liquid density input module comprises a first liquid density input box and a second liquid density input box, and the display module comprises a first liquid density display unit and a second liquid density display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921320351.5U CN210473123U (en) | 2019-08-15 | 2019-08-15 | Automatic change extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921320351.5U CN210473123U (en) | 2019-08-15 | 2019-08-15 | Automatic change extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210473123U true CN210473123U (en) | 2020-05-08 |
Family
ID=70535880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921320351.5U Active CN210473123U (en) | 2019-08-15 | 2019-08-15 | Automatic change extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210473123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114574907A (en) * | 2022-03-18 | 2022-06-03 | 广东潜力会科技发展有限公司 | Device and method for intelligently monitoring electrolytic copper foil manufactured by internal circulation etching solution |
-
2019
- 2019-08-15 CN CN201921320351.5U patent/CN210473123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114574907A (en) * | 2022-03-18 | 2022-06-03 | 广东潜力会科技发展有限公司 | Device and method for intelligently monitoring electrolytic copper foil manufactured by internal circulation etching solution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210473123U (en) | Automatic change extraction device | |
| CN109856172B (en) | Dynamic monitoring and analysis simulation device for release of heavy metal pollutants in solid waste and application | |
| CN207516098U (en) | A kind of Research of Environmental Sciences sewage collector | |
| CN106526140B (en) | A kind of experimental provision and application method for evaluating foam oil oil gas surface stability | |
| CN114354300A (en) | Preparation method for preparing soil sample with specific water content by applying automatic soil sample preparation device | |
| CN206463945U (en) | A kind of lubricating oil intelligence mediation system | |
| CN206223530U (en) | A kind of detection of agricultural products sampler | |
| CN210206933U (en) | Teaching experiment table for ceramic material | |
| CN114778371A (en) | Sludge water content measuring device and measuring method | |
| CN204339989U (en) | A kind of mortar stirring device | |
| CN215917093U (en) | Quick lime slurry slag tester | |
| CN216964408U (en) | Automatic preparation facilities of soil sample for indoor compaction test | |
| CN217249628U (en) | Hazardous waste preliminary treatment device | |
| CN218924570U (en) | Stirrer for phosphoric acid production | |
| CN206355969U (en) | A kind of reactor for noble metal extraction | |
| CN219579923U (en) | Chinese herbal medicine extraction leaching device | |
| CN219870611U (en) | Heating element and be used for device that ore composition detected | |
| CN214348583U (en) | Constant temperature fermentation test device | |
| CN2354648Y (en) | Continuous planet stirring and filling apparatus | |
| CN215180195U (en) | Intelligent fluorocarbon coating detection equipment | |
| CN116811022B (en) | Concrete block production equipment | |
| CN105498583B (en) | Add quick agitator mechanism of fever type chemical industry misce bene raw materials | |
| CN218782042U (en) | Liquid food sampling and storing device | |
| CN217466875U (en) | Thick oil viscosity reduction reaction dehydration detection device | |
| CN116499853B (en) | Soil heavy metal ion extractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |