CN107024375B - Portable sample analysis pre-processor and use method - Google Patents
Portable sample analysis pre-processor and use method Download PDFInfo
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- CN107024375B CN107024375B CN201710414938.1A CN201710414938A CN107024375B CN 107024375 B CN107024375 B CN 107024375B CN 201710414938 A CN201710414938 A CN 201710414938A CN 107024375 B CN107024375 B CN 107024375B
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
The portable sample analysis preprocessor is characterized in that the preprocessor, the ventilation device and the waste gas treatment device are electrically connected through a connecting piece and an electric appliance control device; the rotator of the pretreatment device is arranged at the center of a circle of the chassis, the ultrasonic generator and the electromagnetic stirrer are fixed in a chassis groove body at intervals, the waste gas treatment device IV is internally connected together and fixed in a box body by pipelines according to the sequence of the buffer tank, the washing tank, the absorption tank and the air pump, and the air inlet end of the buffer tank is connected with a ventilation device; the using method comprises the following steps: the ventilating device is locked on the upright post by a universal joint connecting rod and supported above the reaction device, and the pipeline is communicated with the ventilating device and the waste gas treatment device; and calling a control program on a display screen, controlling concentration, air exhaust and waste gas treatment operation. The invention solves the problems of complex operation, slow sample pretreatment, environment pollution caused by volatilization of generated toxic and harmful gases and reagents and harm to operators in the sample pretreatment process, and achieves the aim of treating the sample rapidly, efficiently and without pollution.
Description
Technical Field
The invention belongs to a chemical experiment tool, relates to a commonly used application tool for analysis and inspection in industries such as chemical teaching experiments, scientific research and the like related to chemical analysis, and discloses a portable sample analysis preprocessor.
Background
In the analysis and inspection operation process of industries such as chemical analysis teaching experiments, scientific research and the like, a test sample needs to be preprocessed before inspection, and when the sample is processed according to different samples and different detection indexes, other experiment conditions need to be changed for many times besides corresponding reagents are added, such as: ultrasonic wave, infrared ray, temperature control, stirring, quantitative or trace addition and the like. And the treated sample solution is concentrated or evaporated to be nearly dry so as to reduce the loss of corresponding detection indexes and further reduce analysis and test errors, and the treatment process is complicated. The sample pretreatment is carried out in a laboratory with ventilation facilities, the generated toxic and harmful gases and volatile matters can be discharged out of the operating environment in time, and for the condition that the sample pretreatment needs to be carried out on a sampling site, a large amount of toxic and harmful gases and volatile matters cannot be discharged out of the operating environment quickly and effectively, so that pollution and damage to the environment and operators are inevitable. However, no instrument is currently available for on-site sampling consistent with sample handling.
Disclosure of Invention
The invention aims to provide a portable sample analysis pre-processor and a using method thereof, which solve the problems of complex operation, slow sample pretreatment, environment pollution and operator injury caused by volatilization of generated toxic and harmful gases and reagents in the sample pretreatment process and achieve the aim of quickly, efficiently and pollution-free sample treatment.
The invention relates to a portable sample analysis preprocessor, which comprises a reaction device, a ventilation device, a waste gas treatment device and an electric appliance control device, and is characterized in that the preprocessor has an assembly structure when in use: the ventilating device is locked on the vertical column through a universal joint connecting rod through a cross connecting piece and is supported above the reaction device, a ventilating pipeline is communicated with the ventilating device and the waste gas treatment device, and the ventilating device and the PLC are connected through the pipeline and electricity; portable sample analysis pretreatment device structure: the structure of the reaction device I is as follows: the rotating device is arranged in the center of a circle of the chassis, the ultrasonic generators and the electromagnetic stirrers are fixed in the groove body of the chassis in a surrounding mode at intervals, a transmission shaft channel is sleeved on a transmission shaft prolonged by the rotating device, the reaction tank is fixed with the groove body of the chassis, the annular far infrared generator is arranged around the anti-overflow periphery, the force guide sheet is sleeved at the tail end of the transmission shaft and then fixed by the fixing nut, and the peripheries of the force guide sheet and the fixing nut are wrapped and covered by the decorative cover; the structure of the ventilation device III is as follows: the exhaust fan is arranged in the exhaust fan fixing pipe and fixed on the fixing frame, the lighting lamp is arranged in the lighting lamp fixing pipe and fixed on the fixing grooves corresponding to the centers of the two sides of the lighting lamp fixing pipe, the exhaust pipe hole of the fan is sleeved on the exhaust port of the exhaust fan and seals the fixing frame with the front cover, and the lighting hole, the observation hole of the front cover and the observation hole of the back plate are sealed by the fastening cover with the transparent lens; structure of exhaust gas treatment device IV: according to the sequence of the buffer tank, the gas washing tank, the absorption tank and the gas pumping pump, the waste gas treatment device formed by connection is fixed in the box body, and the air inlet end of the buffer tank is connected with the ventilation device; the electric appliance control device is electrically connected with a rotator rotating mode and rotating speed control area, a magnetic stirrer rotating speed control area, a far infrared generator heating temperature control area, an ultrasonic generator control area, an exhaust fan control area and an air pump control area; a PLC control program: and storing the power supply control program modules of the rotator and the electromagnetic stirrer into the PLC, inputting instructions to the program control PLC through the configuration interface operation of the display screen, and respectively outputting signals to the sound-light alarm, the rotator through the motor and the electromagnetic stirrer through the frequency converter by the PLC.
The using method comprises the following steps: the device is characterized in that the devices and the PLC are connected by pipelines and electricity to form the whole processor when in use: calling and inputting operations on a configuration interface of a display screen, and performing operation according to the program control of an electric appliance control device with an internal memory: the method comprises the following steps that a main power supply is started, a PLC control part directly enters a working state, and the technical parameters of the operation are input on a configuration interface according to sample processing requirements: the rest time, the power supply time of a power supply circuit of a stepping motor of the rotator and the power supply time of the electromagnetic stirrer; 1. treating a soluble sample: placing a reaction vessel into a reactor vessel hole of a vessel fixed disk, starting a stepping motor switch of a rotator, calculating the rotating speed of a stepping motor displayed on a configuration interface through input time according to a control program written by a PLC, and adjusting a stepping motor controller to enable the rotating speed of the stepping motor of the rotator to be equal; starting a motor switch of the electromagnetic stirrer, and controlling the rotation speed of the motor of the electromagnetic stirrer through a stirrer regulator; setting intermittent feeding time into a reaction vessel, and starting a sample treatment reaction process after feeding is finished; when acid gas, alkaline gas and other toxic gas volatilize in the reaction system, the ventilation device is started to supply a power line control switch, the rotation speed of a fan motor is adjusted by a fan regulator, the toxic and harmful gas is discharged into a public ventilation facility through an exhaust pipe, or the exhaust pipe is connected with an air inlet pipe of a buffer tank, the power line control switch of a waste gas treatment device is started, and a suction pump regulator adjusts the rotation speed of a suction pump motor, so that the suction speed of the suction pump is coordinated with the exhaust speed of an exhaust fan, and waste gas is treated; the switch of the illuminating lamp is turned on at any time to provide illumination for the operating environment; 2. treating a hardly soluble sample: injecting heat transfer medium liquid into a reaction tank, repeating the operations of starting up, regulating speed and stirring for processing the easily soluble sample, feeding the material into a reaction vessel, starting a power supply switch of a vibration source of an ultrasonic generator, setting the ultrasonic intensity and the heat supply temperature of the vibration source of the ultrasonic generator by a regulator of the ultrasonic generator, starting a switch of a power supply circuit of the far infrared generator when the temperature required by a reaction system exceeds the temperature provided by the ultrasonic generator, setting the temperature to be provided by the regulator of the far infrared generator, supplying heat to the reaction system by the far infrared generator through the heat transfer medium, and starting a sample processing reaction process; the rest of the operation is the same as the above; 3. concentrating and evaporating for drying: the processing operation of the insoluble sample is repeated, the exhaust fan can be adjusted to cover the surface of the reaction tank according to the requirement, the gas in the reaction tank tends to be in a negative pressure state under the exhaust action of the exhaust fan, and the time for liquid concentration and evaporation drying is reduced.
The invention has the advantages that: the portable sample analysis preprocessor is a common application tool for analysis and inspection in industries such as chemical teaching experiments, scientific research and the like, and is convenient to carry and operate. Because the ultrasonic generator and the electromagnetic stirrer arranged in the reaction device are arranged at intervals, the sample is more beneficial to fully mixing the sample and the solvent under the action of the ultrasonic wave and the magnetic stirring between the ultrasonic generator and the electromagnetic stirrer; the far infrared ray emitted by the far infrared ray generator is used for assisting in heating the reactor, increasing the dissolving and reaction speed of the insoluble sample, and providing higher temperature for a reaction system particularly when the solution needs to be concentrated and evaporated to be nearly dry. Ventilating device can be effectual with the volatile corrosivity that has of reaction system and poisonous, harmful gas row leaves the operation region, subsidiary illumination lamps and lanterns can provide the illumination for in the reaction tank, make things convenient for the operator to observe the sample and handle the progress, when carrying out concentration and evaporation nearly dry operation to the reaction liquid, the subassembly of airing exhaust can cover at the reaction tank upper surface, keep the reaction tank internal temperature, the effect of bleeding that relies on exhaust fan makes and is in the negative pressure state in the reaction tank, be favorable to improving concentration and evaporation rate. The gas washing tank of the waste gas treatment device is designed into a multi-lattice layer, and according to the characteristics of toxic and harmful gases generated by reaction operation, absorbents with different properties are filled in the lattices according to needs, corrosive and toxic gases generated by treatment of the rest samples which are not absorbed by the gas washing tank are absorbed, and the purposes of no environmental pollution and personal health guarantee are achieved.
The invention embodies the following advantages: the reaction device is a main device for sample analysis pretreatment, and the ventilation device and the waste gas treatment device are sample treatment auxiliary devices. In the reaction device, a reaction tank is a sample processing working area, and an anti-overflow ring vertically raised in the middle of the reaction tank is used for preventing heat transfer medium liquid which provides ultrasonic waves and heat for a reaction vessel from entering a chassis to corrode internal facilities; the vessel fixing plate and the vessel tray are fixed between the fixing rod and the force guiding plate, so that heat generated by the far infrared generator is prevented from being diffused; because of the use characteristics of the ultrasonic generator, high temperature cannot be provided for operations such as high-temperature reaction, reaction liquid concentration, near-dry evaporation and the like, the far infrared rays emitted by the far infrared generator assist in heating the solvent, the dissolving speed of the indissolvable sample is increased, and particularly when the solution needs to be concentrated or near-dry evaporated, heat can be continuously provided, so that higher temperature is provided for a reaction system. The electromagnetic stirrer and the ultrasonic generator are arranged at intervals for use, so that in the sample treatment process, a part of samples which are not easy to disperse and decompose are more beneficial to contact with a solvent through the synergistic effect of the electromagnetic stirrer and the ultrasonic generator, and the sample treatment speed is effectively improved; ventilation unit can be effectual with volatile corrosivity and the toxicity of having of reaction system, harmful gas is arranged from the operation region, its inner part of gaseous corrosion and injury operator that the row was avoided to mount structure, subsidiary light can provide the illumination for the reaction tank is interior, convenient operator observes the sample and handles the degree of carrying on, fixed recess is the lamp base fixed mounting groove of offering at the fixed pipe axis correspondence of light, be fit for the adjustment of many specifications length light when this design can conveniently maintain lamps and lanterns, detain the cylinder fixed section of thick bamboo that the cover has the straight footpath enlarged face baffle for the one end edge, it has transparent lens to be close to the baffle installation in the cylinder, a fixed pipe for the shutoff light, the observation pipe is opened mouthful. When the reaction liquid is concentrated and completely evaporated, the exhaust assembly can cover the upper surface of the reaction tank, and the reaction degree of the reaction system can be observed through the observation hole. The waste gas treatment device is provided with a washing tank and an absorption tank, toxic and harmful gases generated in the washing tank according to reaction operation are filled with corresponding absorbents, the absorption tank is designed into a multi-lattice layer, the absorbents with different properties are filled in the lattices according to needs, corrosive, toxic and harmful gases generated in sample treatment can be respectively absorbed, and the purposes of no pollution to the environment and ensuring the personal health are achieved.
Drawings
FIG. 1 is a schematic view of the entire portable sample analysis preprocessor;
FIG. 2 is a schematic view of the installation sequence of the reaction apparatus;
FIG. 3 is a sectional view showing the structure of a reaction apparatus;
FIG. 4a is a plan view of the reaction tank;
FIG. 4b isbase:Sub>A sectional view of the reaction tank A-A;
FIG. 4c is a schematic view of a vessel holding pan;
FIG. 4d is a schematic view of a ware tray;
FIG. 4e is a cross-sectional view of the central structure of the fixed rod fixed vessel tray, the vessel fixed disc and the force guide disc;
FIG. 5 is a schematic view of the vent of the portable sample analysis preprocessor;
FIG. 6 is a schematic view of the sequence of installation of the exhaust assembly;
FIG. 7a is a top view of the fixing frame;
FIG. 7B is a cross-sectional view of the fixing frame B-B;
FIG. 7c is a front view of the front cover;
FIG. 7d is a back plate view;
FIG. 7e is a view of the buckle closure;
FIG. 7f is a cross-sectional view of the buckle housing central axis C-C;
FIG. 8 is a schematic diagram of the exhaust treatment device structure and connections of the portable sample analysis pre-processor;
FIG. 9a is a schematic view of the construction of a scrubber tank;
FIG. 9b is a schematic view of the canister construction;
FIG. 10 is an electrical control diagram of the processor prior to portable sample analysis;
FIG. 11 is a block diagram of a program control flow;
FIG. 12 is a diagram of a process control configuration interface.
Detailed Description
Parts of the portable sample analysis preprocessor: the reaction device I comprises a reaction tank 10, a vessel fixing disc 2, a vessel tray 12, a fixed rod 9, a force guide sheet 8, a rotator 4, an electromagnetic stirrer 5, an ultrasonic generator 11, a far infrared generator 3, a fixed nut 7, a chassis 6 and a decorative cover 1, which are shown in figure 2. Referring to fig. 5 and 6, the ventilation device III is composed of an exhaust assembly and a support assembly, the exhaust assembly includes a fixing frame 17, an exhaust fan 16, a lighting fixture 15, a front cover 18, a back plate 14 and a buckle cover 24, and the support assembly includes a stand base 28, a column 25, a cross-shaped connecting member 27 and a universal joint connecting rod 26. Referring to fig. 8, the exhaust gas treatment device IV includes a buffer tank 21, a scrubber tank 20, an absorption tank 19, and a suction pump 22.
The portable sample analysis preprocessor of the invention, as shown in figure 1, comprises a reaction device I, a ventilation device III, a waste gas treatment device IV and an electric appliance control device II, wherein the reaction device I, the ventilation device III and the waste gas treatment device IV are independent respectively, and is characterized in that the devices form an assembly structure when in use through the electrical connection of a pipeline, a connecting piece and the electric appliance control device II: the ventilating device is locked on the vertical upright post by a universal joint connecting rod through a cross connecting piece and is supported above the reaction device I, and a ventilating pipeline is communicated with the ventilating device III and the waste gas treatment device IV; the structure of the reaction device I is as follows: referring to fig. 2, the rotator 4, the ultrasonic generator 11 and the electromagnetic stirrer 5 are fixedly arranged inside the tank body of the chassis 6; a transmission shaft channel 10a in the center of the reaction tank 10 is sleeved on a transmission shaft 13 extended by the rotator 4, is seated on the upper surface of a tank body of the chassis 6 and is fixed, the annular far infrared generator 3 is installed around an anti-overflow enclosure 10b in the center of the reaction tank 10 in a surrounding manner, a force guide sheet 8 on the fixing assembly is sleeved on the tail end of the transmission shaft 13 and then is fixed by a fixing nut 7, and the peripheries of the force guide sheet 8 and the fixing nut 7 are covered by a decorative cover 1. The structure of the ventilation device III is as follows: the wind power generation device is composed of a wind exhaust assembly and a supporting assembly. See fig. 6, exhaust assembly: the exhaust fan 16 is installed in the exhaust fan fixing pipe 17a, fix on the fixed mount 17, the lighting fixture 15 is installed in lighting lamp fixing pipe 17c, and then fix on the fixed recess 17d that the centre of both sides of lighting lamp fixing pipe 17c corresponds to by the fastener, the fan exhaust hole 14a of the centre of a circle of the backplate 14 is fitted on the exhaust port 16a of the centre of the exhaust fan 16, further strengthen the exhaust fan 16, seal the fixed mount 17 installed with exhaust fan 16, lighting fixture 15 between the two with the front shroud 18 together, the lighting hole 18c on the front shroud 18, the front shroud observation hole 18b and backplate observation hole 14b on the backplate 14 are sealed by the buckle 24 with transparent lens 24 c; the supporting component, see fig. 5, is that the upright post 25 is vertically fixed on the stand base 28, and the cross connecting piece 27 fixes the fixed end of the universal joint connecting rod 26 on the upright post 25 through the fixing knob on the cross connecting piece; the air exhaust component is fixed at the movable end of the support component universal joint connecting rod 26 through a fixed knob, so that the air exhaust component is suspended above the reaction device I. Exhaust gas treatment device IV structure: referring to fig. 8, the vent line 23 is connected together according to the sequence of the buffer tank 21, the scrubber tank 20, the absorption tank 19 and the air pump 22, the air inlet pipe orifice of the scrubber tank 20 is connected with the air outlet pipe orifice of the buffer tank 21, the air inlet pipe orifice of the absorption tank 19 is connected with the air outlet pipe orifice of the scrubber tank 20, the air outlet pipe end of the absorption tank 19 is connected with the air pump 22, and the vent line is fixed in the box body after being connected. The electric appliance control device II comprises a rotating mode and a rotating speed control area of a rotator 4, a rotating speed control area of a magnetic stirrer 5, a heating temperature control area of a far infrared generator 3, a control area of an ultrasonic generator 11, a control area of an exhaust fan 16 and a control area of an air pump 22.
Portable sample analysis pre-processor installation: 1. installing a reaction device I: referring to fig. 2, 3 and 4b, the rotator 4 is installed at the center of the chassis 6, the ultrasonic generators 11 and the electromagnetic stirrers 5 are installed in the chassis 6 at intervals around the rotator 4, the transmission shaft channel 10a at the center of the reaction tank 10 is sleeved on the transmission shaft 13 of the rotator 4, the transmission shaft channel is seated on the upper surface of the tank body of the chassis 6 and fixed, and meanwhile, the motor M1 of the rotator 4 sealed in the chassis 6 is required to rotate freely, the upper surface of the ultrasonic generator 11 is in effective contact with the bottom of the reaction tank 10, and a certain gap is left between the magnets of the electromagnetic stirrers 5 and the bottom of the reaction tank 10; the annular far infrared generator 3 is arranged around an anti-overflow enclosure 10b in the middle of the reaction tank 10 in a surrounding manner, and is connected with the far infrared generator 3 through a lead of a lead mounting hole 10c on the side wall below the inward-closing circular ring of the anti-overflow enclosure 10 b; referring to fig. 4e, the vessel tray 12 and the vessel fixing tray 2 are vertically fixed on two parallel planes with a certain distance by a group of fixing rods 9, the ends of the fixing rods 9 are fixed on fixing points of the force guide pieces 8, the centers of the fixing points of the vessel tray fixing holes 12a, the vessel fixing plate fixing holes 2a and the force guide pieces 8 fixed by each fixing rod 9 are on an axis perpendicular to the parallel planes to form a fixing assembly, the force guide pieces 8 on the fixing assembly are sleeved on a screw rod at the ends of a transmission shaft 13 of a stepping motor M1 of the rotator 4 and are fixed by fixing nuts 7, and finally the decorating cover 1 is wrapped on the peripheries of the force guide pieces 8 and the fixing nuts 7.
2. And (3) installing a ventilation device III: and (3) assembling an air exhaust assembly: referring to fig. 6, the exhaust fan 16 is disposed in an exhaust fan fixing tube 17a and fixed on the fixing frame 17, the lighting fixture 15 is mounted in an illumination lamp fixing tube 17c and fixed on corresponding fixing grooves 17d at both sides of the illumination lamp fixing tube 17c by fasteners, a fan exhaust duct hole 14a on the back plate 14 is sleeved on an exhaust port 16a of the exhaust fan 16, the fixing frame 17 mounted with the exhaust fan 16 and the lighting fixture 15 is enclosed between the front cover 18 and the back plate 14, and a lighting hole 18c on the front cover 18, a front cover observation hole 18b and a back plate observation hole 14b on the back plate 14 are sealed by a buckle cover 24 with a transparent lens 24 c; assembling a support component: referring to fig. 5, the upright 25 is vertically fixed on the stand base 28, and the cross connection member 27 connects and fixes the fixed end of the universal joint connecting rod 26 and the upright 25 through the fixing knob thereon to form a support assembly; the vent assembly is secured to the movable end of the gimbal link 26 of the support assembly by fasteners.
3. And (3) installing an exhaust gas treatment device IV: referring to fig. 8, the vent line 23 is connected in series in this order of the buffer tank 21, the scrubber tank 20, the absorption tank 19, and the suction pump 22. Specifically, the air outlet pipe of the buffer tank 21 is connected with the air inlet pipe of the washing gas tank 20, the air outlet pipe of the washing gas tank 20 is connected with the air inlet pipe of the absorption tank 19, the air outlet pipe of the absorption tank 19 is connected with the air pump 22, the connected waste gas treatment device IV is fixed in the box body, and the air inlet pipe of the buffer tank 21 is connected with the exhaust port 16a of the exhaust fan 16 of the ventilation device III through a pipeline during use.
Electric appliance power supply line: see fig. 10, a power supply line of the ultrasonic generator 11: the power switch k1, the regulator P1 and the vibration source M are connected in series and connected to a main power supply. 2. (1) rotator 4 power supply line: the power switch k2, the regulator P2 and the stepping motor M1 are connected in series; (2) power supply line for electromagnetic stirrer 5: the power switch k3, the regulator P3 and the motor M2 are connected in series; the power supply circuit of the electromagnetic stirrer 5 and the power supply circuit of the rotator 4 are connected in parallel and are respectively connected with the output end of the PLC to form a group of power supply circuits, and finally, the power supply circuits are connected with a main power supply. 3. Far infrared generator 3 power supply line: the power switch k4, the regulator P4 and the far infrared generator 3 are connected in series and are connected with a main power supply. 4. Exhaust apparatus III power supply line: the series circuit of the power switch k5, the regulator P5 and the fan motor M3 is connected in parallel with the series circuit consisting of the illuminating lamp switch k6 and the illuminating lamp L and is connected with the main power supply. 5. Exhaust treatment device IV power supply line: the power switch k7, the regulator P7 and the air pump motor M4 are connected in series and connected to a main power supply.
And power supply control of the rotator and the electromagnetic stirrer: referring to fig. 11 and 12, the PLC is adopted for control, power supply operation control program modules of the rotator and the electromagnetic stirrer are stored in the PLC, required time is input according to actual requirements when the electromagnetic stirrer is used on site, and the PLC respectively outputs signals to the acousto-optic alarm, the rotator through the motor and the electromagnetic stirrer through the frequency converter. After the PLC is powered on, inputting rest time T, power supply time T1 of a power supply line of a rotator 4 and power supply time T2 of an electromagnetic stirrer 5 on a configuration interface, starting to work, firstly, keeping rest time T, then supplying power for T1 time to the power supply line of the rotator 4, stopping supplying power for the rotator 4 after T1 time, simultaneously starting supplying power for T2 time to the power supply line of the electromagnetic stirrer 5, stopping supplying power for T time to the electromagnetic stirrer 5 and the rotator 4 after T2 time, supplying power for T1 time to the power supply line of the rotator 4 after T time, and repeating the operation mode. Because the arc distance of the fixed disc fixing holes 2a of the vessel is fixed, after the time T1 is input, the rotating speed of the rotating device stepping motor M1 at the time is calculated through a PLC program, and v and T + T2 are displayed on an interface, which is the time for an operator to intermittently feed materials into the reaction vessel.
The program content is as follows:
LD First_Scan_On:SM0.1
r begins to work M0.0,1
LD Always_On:SM0.0
M0.0 when AN starts to work
A Start M4.6
TON T37,VW0
LD Always_On:SM0.0
＝ L60.0
LD Always_On:SM0.0
＝ L63.7
LD L60.0
CALL AXIS0_ CTRL SBR1, L63.7, completion bit M0.1, error 1 MB1, current position VD2, current speed VD6, current direction M0.2
LD Always_On:SM0.0
＝ L60.0
LD T37
O T39
EU
＝ L63.7
LD L60.0
CALL AXIS0_ GOTO SBR3, L63.7, operating position VD10, operating speed VD14,2, stop M0.3, completion bit 2 M0.4, error 2 MB2, current position 2, VD18, current speed 2
LD T37
S begins to work, M0.0,1
EU
S starting of the stirrer, M0.5,1
Starting LD stirrer with M0.5
TON T38,VW26
LD T38
EU
Starting of the mixer, M0.5,1
S detection time M0.6,1
LD detection time M0.6
TON T39,VW28
LD T39
EU
The detection time of R is M0.6,1
LD Always_On:SM0.0
＝ L60.0
LD Always_On:SM0.0
＝ L63.7
LD L60.0
CALL MBUS_CTRL:SBR12,L63.7,9600,1,0,100,M0.7,MB3
LD Always_On:SM0.0
＝ L60.0
LD write frequency M4.1
＝ L63.7
LD L60.0
CALL MBUS _ MSG SBR13, L63.7,1,1,420000,1, stirrer running speed VD30, M4.0, MB5
LD Always_On:SM0.0
＝ L60.0
LD forward rotation operation M4.3
＝ L63.7
LD L60.0
CALL MBUS_MSG:SBR13,L63.7,1,1,41000,1,16#03,M4.2,MB6
LD Always_On:SM0.0
＝ L60.0
LD reverse operation M4.5
＝ L63.7
LD L60.0
CALL MBUS_MSG:SBR13,L63.7,1,1,41000,1,16#04,M4.4,MB7
LD Always_On:SM0.0
＝ L60.0
Starting LD stirrer with M0.5
EU
＝ L63.7
LD L60.0
CALL MBUS _ MSG SBR13, L63.7,1,1,41000,1,16#1, startM 4.6, MB8
LD Always_On:SM0.0
＝ L60.0
LD detection time M0.6
EU
＝ L63.7
LD L60.0
CALL MBUS_MSG:SBR13,L63.7,1,1,41000,1,16#05,M4.7,MB9。
Portable sample analysis preprocessor parts description portable sample processor reaction apparatus I parts: referring to fig. 4a and 4b, the reaction tank 10 is a cylindrical tank body, the center of the circle is perpendicular to the bottom surface of the tank to form an anti-overflow enclosure 10b in a cylindrical shape, the top of the anti-overflow enclosure 10b is parallel to the bottom surface of the reaction tank 10 to form a circular ring in an inward shrinkage mode, an inner hole of the circular ring is a transmission shaft channel 10a of a stepping motor M1 of the rotator 4, the anti-overflow enclosure 10b is provided with a lead mounting hole 10c on the lower side wall of the inward shrinkage circular ring, and the outer portion of the anti-overflow enclosure 10b is used for mounting the far infrared generator 3 in a surrounding mode. B. Referring to fig. 4c and 4d, the vessel fixing disk 2 and the vessel tray 12 are circular rings with certain thickness and same diameter, reactor vessel holes 2b are uniformly distributed on the circular arc of the vessel fixing disk 2 away from the center of the circle and used for placing reaction vessels, fixing holes are uniformly distributed on the same-radius inner circular arc of the vessel fixing disk 2 and the vessel tray 12, and the diameters of the vessel fixing disk fixing hole 2a and the vessel tray fixing hole 12a are matched with the diameter of the fixing rod 9. C. Referring to fig. 2, a transmission shaft 13 of the rotator 4 is thickened and extended to a length which exceeds the height of the overflow prevention enclosure 10b in the middle of the reaction tank 10, the diameter of the end point of the transmission shaft 13 is reduced, the surface of the transmission shaft is threaded, and the diameter of the transmission shaft is equal to the diameter of the central circle of the force guide plate 8 and the inner diameter of the fixing nut 7. D. Referring to fig. 3, the electromagnetic stirrer 5 is provided with a magnet perpendicular to the transmission shaft on the transmission shaft of the electromagnetic stirrer motor M2, and is matched with a rotor in the reaction vessel to stir the reaction system. E. Referring to fig. 2 and 3, the far infrared generator 3 is circular, and the diameter of the inner ring is slightly larger than that of the anti-overflow wall 10b of the reaction tank 10. F. Referring to fig. 3, the chassis 6 and the decorative cover 1 are cylindrical grooves with one closed end. G. Referring to fig. 3 and 4c to e, the fixing assembly structure: one end of each rod of a group of fixed rods 9 vertically penetrates through the vessel fixing disc fixing hole 2a and the vessel tray fixing hole 12a to fix the two on two parallel planes with a certain distance, the other end of each fixed rod 9 is fixed on the force guide sheet 8, and the centers of the fixed points on the vessel tray fixing hole 12a, the vessel fixing disc fixing hole 2a and the force guide sheet 8 through which each fixed rod 9 penetrates are on the same axis vertical to the parallel planes to form a fixed assembly.
Portable sample processor vent assembly III part h, see fig. 7a, 7b, mount 17 configuration: the center of the circular base fixing frame 17 is an exhaust fan fixing pipe 17a with a through circle center, a plurality of illuminating lamp fixing pipes 17c and observation pipes 17b are fixed on the periphery of the exhaust fan fixing pipe 17a at annular intervals, the exhaust fan fixing pipe 17a is used for fixing an exhaust fan 16, and the side wall of the exhaust fan fixing pipe is provided with an illuminating lamp fixing pipe 17c with an illuminating lamp fixing groove 17d for fixing an illuminating lamp 15.I. Referring to fig. 7c, the front cover 18 is a cylinder with a sealing plate at one end, a mesh cover 18a having the same diameter as the exhaust fan fixing pipe 17a is provided at the center of the sealing plate, and a plurality of illuminating holes 18c and front cover observing holes 18b having the same diameter as the illuminating lamp fixing pipe 17c and the observing pipe 17b are surrounded around the mesh cover 18 a. J. Referring to fig. 7d, the back plate 14 is a circular ring plate, the inner hole of the circular ring is a fan exhaust pipe hole 14a, a ring body on the periphery of the fan exhaust pipe hole 14a surrounds a back plate observation hole 14b, the diameters and the numbers of the back plate observation hole 14b, the observation pipe 17b on the fixing frame and the front cover observation hole 18b are equal, and the centers of the three are on the same axis after installation. K. Referring to fig. 7e and 7f, the buckle cover 24 is cylindrical, the diameter of one end edge is enlarged to form a baffle plate 24a, the cylinder is a buckle cover fixing cylinder 24b, a transparent lens 24c is arranged in the cylinder and close to the baffle plate, and the lighting hole 18c on the front cover 18, the front cover observation hole 18b and the backboard observation hole 14b on the backboard 14 are sealed by the buckle cover 24. L. see fig. 5, the universal joint connecting rod 26 is a connecting rod provided with a fixed knob on a universal joint, the fixed end of the universal joint connecting rod 26 and the upright post 25 vertically fixed on the stand base 28 are connected and fixed to form a supporting component through the fixed knob on the cross connecting piece 27, the air exhaust component is installed at the movable end of the universal joint connecting rod 26, and the air exhaust component is suspended above the reaction device I and is adjustable in height. M. see figure 8, buffer tank 21, washing gas tank 20 are hollow, the top is the round barrel of the circular arc surface, the air inlet pipe orifice of buffer tank 21 locates at the top of the tank body, the air outlet pipe orifice extends to the bottom of the tank body from the top of buffer tank 21, prevent the liquid in the tank from preserving. N, see fig. 9a, the gas washing tank 20 intake pipe stretches into the jar body bottom from upper portion, and the fixed ceramic jet head 20c of end, the increase is gone into the contact of the gas of gas washing tank 20 and lotion, and the mouth of pipe of giving vent to anger is located jar body top, and the lotion filling tube is established at jar body top, is opened and is closed by the control of filling tube valve 20a, and the fluid-discharge tube is established to jar body wall bottom, is opened and is closed by the control of fluid-discharge tube valve 20b, makes things convenient for the lotion to change. And O. referring to fig. 9b, the absorption tank 19 is a square box structure for conveniently filling and sealing the absorbent, an air inlet pipe 19e is arranged in the center of the top of the tank body, an exhaust pipe 19d is fixed at the bottom of the wall of the tank body, the inside of the tank body is divided into a plurality of absorbent filling grids 19a by partition plates with meshes and used for filling the absorbent with different absorption functions, a buffer grid 19b is reserved between the absorbent filling grids 19a, the gas passing through the upper absorbent layer is distributed again through the buffer grid 19b and enters the lower absorbent layer, and the absorbent filling port and the partition plates are sealed by a sealing door 19 c.
The using method comprises the following steps: when in use, the ventilation device III is locked on the vertical upright post by the universal joint connecting rod through the cross connecting piece and is supported above the reaction device I, and the ventilation device III is communicated with the waste gas treatment device IV by the ventilation pipeline; and the devices are connected with the PLC by pipelines and electricity, the operations are called and input on a PLC display screen, and the operation is carried out according to the program control of an electrical appliance control device II in a memory: and (3) starting a main power supply k, directly entering a working state by a PLC control part, and firstly inputting the technical parameters of the operation on a control interface according to the sample processing requirement: the static time T, the power supply time T1 of a power supply circuit of a rotator stepping motor M1 and the power supply time T2 of a motor M2 of the electromagnetic stirrer; 1. treatment of a soluble sample: placing a reaction vessel into a reaction vessel hole 2b of a vessel fixed disc 2, starting a switch k2 of a rotator stepping motor M1, calculating the rotating speed v of the rotator stepping motor M1 displayed on a configuration interface through input time T1 according to a control program written by a PLC, and adjusting a stepping motor regulator P2 to enable the rotating speed of the rotator stepping motor M1 to be v; starting a switch k3 of a motor M2 of the electromagnetic stirrer, and controlling the rotation speed of the motor M2 of the electromagnetic stirrer through a regulator P3 of the electromagnetic stirrer; feeding the reaction vessel intermittently for T2+ T, and starting a sample treatment reaction process after feeding is finished; when acid gas, alkaline gas and other toxic gas volatilize in the reaction system, open ventilation unit III power supply line control switch k5, the rotational speed of fan motor M3 is adjusted by fan modulator P5, discharge poisonous, harmful gas into the public ventilation facility through the blast pipe, or connect the blast pipe with the air intake pipe of the buffer tank, open the control switch k7 of exhaust gas treatment unit IV power supply line, the rotational speed of air pump motor M4 of air pump modulator P7 adjustment, make the air intake speed of the air pump 22 coordinate with the air exhaust speed of the exhaust fan 16, process the waste gas; the lighting lamp switch k6 is turned on at any time to provide illumination for the operating environment; 2. treating a hardly soluble sample: injecting heat transfer medium liquid into a reaction tank, repeating the operations of starting up, regulating speed and stirring for processing easily-soluble samples, feeding materials into a reaction vessel, starting a power supply switch k1 of a vibration source M of an ultrasonic generator, setting the ultrasonic intensity and the heat supply temperature of the vibration source M of the ultrasonic generator by a regulator P1 of the ultrasonic generator, starting a power supply switch k4 of a power supply circuit of a far infrared generator 3 when the temperature required by a reaction system exceeds the temperature provided by an ultrasonic generator 11, setting the temperature to be provided by a regulator P4 of the far infrared generator, supplying heat to the reaction system by the far infrared generator 3 through a heat transfer medium, and starting a sample processing reaction process; the rest of the operations are the same as above; 3. concentration and evaporation drying: the insoluble sample treatment operation is repeated, the exhaust component can be adjusted to cover the surface of the reaction tank according to the requirement, the gas in the reaction tank tends to be in a negative pressure state through the exhaust action of the exhaust fan 16, and the liquid concentration and evaporation drying time is reduced.
Claims (9)
1. A portable sample analysis preprocessor, includes independent reaction unit I, ventilation unit III, exhaust-gas treatment device IV and electrical apparatus controlling means II each, its assembly structure when characterized by using: the ventilating device is locked on the vertical upright post by a universal joint connecting rod through a cross connecting piece and is supported above the reaction device I, a ventilating pipeline is communicated with the ventilating device III and the waste gas treatment device IV, and the ventilating device III and the waste gas treatment device IV are connected through pipelines and electricity;
the structure of the reaction device I is as follows: the rotating device (4) is arranged at the center of a circle of the chassis (6), the ultrasonic generators (11) and the electromagnetic stirrers (5) are fixed in a groove body of the chassis (6) at intervals around the rotating device (4), a transmission shaft channel (10 a) is sleeved on a transmission shaft (13) extended by the rotating device (4), the reaction tank (10) is fixed with the groove body of the chassis (6), the annular far infrared generator (3) is arranged around an anti-overflow enclosure (10 b), the force guide sheet (8) is sleeved at the tail end of the transmission shaft (13) and then fixed by the fixing nut (7), and the peripheries of the force guide sheet (8) and the fixing nut (7) are wrapped and covered by the decorative cover (1);
the structure of the ventilation device III is as follows: an exhaust fan (16) is arranged in an exhaust fan fixing pipe (17 a) and fixed on a fixing frame (17), a lighting lamp (15) is arranged in an illuminating lamp fixing pipe (17 c) and fixed on a fixing groove (17 d) corresponding to the centers of two sides of the lighting lamp fixing pipe, a fan exhaust pipe hole (14 a) is sleeved on an exhaust port (16 a) of the exhaust fan (16) and seals the fixing frame (17) between the fan exhaust pipe and a front cover (18), and a lighting hole (18 c) of the front cover (18), a front cover observation hole (18 b) and a back plate observation hole (14 b) are sealed by a buckle cover (24) with a transparent lens (24 c);
structure of exhaust gas treatment device IV: according to the sequence of a buffer tank (21), a washing gas tank (20), an absorption tank (19) and an air pump (22), a vent pipeline (23) is sequentially connected, a waste gas treatment device formed by the connection is fixed in a box body, and the air inlet end of the buffer tank (21) is connected with a ventilation device III;
in the electric appliance control device II, the rotation mode and the rotation speed control area of the rotator (4) are electrically connected, the rotation speed control area of the electromagnetic stirrer (5), the heating temperature control area of the far infrared generator (3), the control area of the ultrasonic generator (11), the control area of the exhaust fan (16) and the control area of the air suction pump (22) are electrically connected;
a PLC control program: and a power supply control program module of the rotator (4) and the electromagnetic stirrer (5) is stored in the PLC, an instruction is input into the program control PLC through the operation of a display screen configuration interface, and the PLC respectively outputs signals to the acousto-optic alarm, the rotator (4) through the motor and the electromagnetic stirrer (5) through the frequency converter.
2. The portable sample analysis preprocessor of claim 1 wherein the reaction means I has a fixed assembly structure of: each pole one end of a set of dead lever (9) passes household utensils fixed disk (2) and household utensils tray fixed orifices (12 a) perpendicularly, fixes both on two parallel planes that have certain distance, and dead lever (9) other end is fixed on leading power piece (8), and the fixed point center on tray fixed orifices (12 a), household utensils fixed disk fixed orifices (2 a) and the leading power piece (8) that each dead lever (9) passed is in same perpendicular on the axis of parallel planes, constitute fixed subassembly.
3. The portable sample analysis preprocessor of claim 1 wherein said support assembly assembles: the universal joint connecting rod (26) is a connecting rod provided with a fixed knob on a universal joint, the fixed end of the universal joint connecting rod (26) and the upright post (25) are fixedly connected to form a supporting component through the fixed knob on the cross connecting piece (27), the upright post (25) is vertically fixed on a stand base (28), and the air exhaust component is installed at the movable end of the universal joint connecting rod (26).
4. The portable sample analysis preprocessor of claim 1 wherein the reaction device I part:
A. the reaction tank (10) is a cylindrical tank body, the center of the circle is vertical to the bottom surface of the tank to form an anti-overflow enclosure (10 b) in a cylindrical mode, the top of the anti-overflow enclosure (10 b) is parallel to the bottom surface of the reaction tank (10) and is internally contracted to form a circular ring, the inner hole of the circular ring is a transmission shaft channel (10 a) of a stepping motor M1 of the rotator (4), and a lead mounting hole (10 c) is formed in the lower side wall, located on the internally contracted circular ring, of the anti-overflow enclosure (10 b);
B. reactor vessel holes (2 b) are uniformly distributed on the arc of the vessel fixed disk (2) far away from the circle center and used for placing reaction vessels, fixed holes are uniformly distributed on the inner arcs with the same radius as the vessel tray (12) of the vessel fixed disk (2), and the diameters of the vessel fixed disk fixed holes (2 a) and the vessel tray fixed holes (12 a) are matched with the diameter of the fixed rod (9);
C. a transmission shaft (13) of the rotator (4) is thickened and extended to a length which exceeds the height of an anti-overflow enclosure (10 b) in the middle of the reaction tank (10), the diameter of the end point of the transmission shaft (13) is reduced, the surface of the transmission shaft is provided with threads, and the diameter of the transmission shaft is equal to the inner diameter of a central circle of the force guide sheet (8) and the inner diameter of the fixing nut (7);
D. the far infrared generator 3 is in a ring shape, and the diameter of an inner ring is slightly larger than that of the anti-overflow circumference (10 b) part of the reaction tank (10).
5. The portable sample analysis preprocessor of claim 1 wherein the vent III features:
E. the structure of the fixing frame (17): the center of the circular base fixing frame (17) is provided with an exhaust fan fixing pipe (17 a) with a through circle center, a plurality of illuminating lamp fixing pipes (17 c) and observation pipes (17 b) are fixed on the periphery of the exhaust fan fixing pipe (17 a) at intervals in an annular mode, the exhaust fan fixing pipe (17 a) is used for fixing an exhaust fan (16), and the side wall of the exhaust fan fixing pipe (17 c) is provided with an illuminating lamp fixing groove (17 d) and is used for fixing an illuminating lamp (15);
F. the front cover (18) is cylindrical with a sealing plate at one end, a mesh enclosure (18 a) with the same diameter as the exhaust fan fixing pipe (17 a) is arranged in the center of the sealing plate, and a plurality of illuminating holes (18 c) with the same diameter as the illuminating lamp fixing pipe (17 c) and the observing pipe (17 b) and a front cover observing hole (18 b) are surrounded on the periphery of the mesh enclosure (18 a);
G. the back plate (14) is a circular annular plate, the inner hole of the circular annular plate is a fan exhaust pipe hole (14 a), the periphery ring body of the fan exhaust pipe hole (14 a) surrounds a back plate observation hole (14 b), the diameters and the number of the back plate observation hole (14 b) are equal to those of an observation pipe (17 b) on the fixed frame and a front cover observation hole (18 b), and the centers of the back plate observation hole, the observation pipe and the front cover observation hole are on the same axis after installation;
H. the buckle cover (24) is cylindrical, the diameter of the edge of one end of the buckle cover is enlarged to form a baffle plate (24 a), the cylinder is a buckle cover fixing cylinder (24 b), a transparent lens (24 c) is arranged in the cylinder close to the baffle plate, and the lighting hole (18 c) and the front cover observation hole (18 b) on the front cover (18) and the backboard observation hole (14 b) on the backboard (14) are sealed by the buckle cover (24).
6. The portable sample analysis preprocessor of claim 1 wherein the exhaust gas treatment device IV part:
I. the buffer tank (21) and the scrubbing tank (20) are hollow round barrels, the tops of the round barrels are arc surfaces, an air inlet pipe orifice of the buffer tank (21) is positioned at the top of the tank body, and an air outlet pipe orifice extends from the top of the buffer tank (21) to the bottom of the tank body;
J. an air inlet pipe of the gas washing tank (20) extends into the bottom of the tank body from the upper part, a ceramic gas nozzle (20 c) is fixed at the tail end of the gas washing tank, the contact between gas entering the gas washing tank (20) and washing liquor is increased, an air outlet pipe opening is positioned at the top of the tank body, a washing liquor filling pipe is arranged at the top of the tank body and is controlled to be opened and closed by a filling pipe valve (20 a), a liquid discharge pipe is arranged at the bottom of the wall of the tank body, and the opening and the closing are controlled by a liquid discharge pipe valve (20 b);
K. the absorption tank (19) is convenient for filling absorbent and sealing, for the square body structure, intake pipe (19 e) _ locates jar body top center, exhaust tube (19 d) are fixed in jar body wall bottom, inside is separated into multilayer absorbent by the baffle that has the mesh and fills check (19 a), be used for filling the absorbent of different absorption functions, it has buffering check (19 b) to leave between absorbent filling check (19 a), gas through upper absorbent layer gets into lower floor absorbent layer through buffering check (19 b) redistribution once more, it is sealed by sealing door (19 c) to fill between absorbent mouth and the baffle.
7. A method of using the portable sample analysis pre-processor of claim 1, wherein the reaction unit I, the ventilation unit III, the waste gas treatment unit IV and the electrical control unit II are independent from each other, and wherein the devices and the PLC are electrically connected by pipelines to form a processor as a whole: calling and inputting operations on a configuration interface of a display screen, and performing operation according to the program control of an electrical appliance control device II of the memory: and starting a main power supply k, directly entering a working state by a PLC (programmable logic controller) control part, and firstly inputting the technical parameters of the operation on a control interface according to the sample processing requirement: the static time T, the power supply time T1 of a power supply line of a rotator stepping motor M1 and the power supply time T2 of a motor M2 of the electromagnetic stirrer;
treatment of a soluble sample: placing a reaction vessel into a reactor vessel hole (2 b) of a vessel fixed disk (2), starting a switch k2 of a stepping motor M1 of a rotator (4), calculating the rotating speed v of the stepping motor M1 displayed on a configuration interface through input time T1 according to a control program written by a PLC, and adjusting a regulator P2 of the stepping motor to enable the rotating speed of the stepping motor M1 of the rotator to be v; starting a switch k3 of a motor M2 of the electromagnetic stirrer, and controlling the rotation speed of the motor M2 of the electromagnetic stirrer through a stirrer regulator P3; setting the intermittent feeding time to be T2+ T in the reaction vessel, finishing feeding and starting a sample treatment reaction process; when acid gas, alkaline gas and other toxic gas volatilize in the reaction system, open ventilation unit III power supply line control switch k5, the rotational speed of fan motor M3 is adjusted by fan modulator P5, discharge poisonous, harmful gas into the public ventilation facility through the blast pipe, or connect the blast pipe with the air intake pipe of the buffer tank, open exhaust gas treatment device IV power supply line control switch k7, the air pump modulator P7 adjusts the rotational speed of air pump motor M4, make the air intake speed of the air pump (22) coordinate with the air exhaust speed of the exhaust fan (16), process the exhaust gas; and the illuminating lamp switch k6 is turned on at any time to provide illumination for the operating environment.
8. The method of using a portable sample analysis preprocessor of claim 7 wherein said poorly soluble sample processing comprises: injecting heat transfer medium liquid into a reaction tank (10), repeating the operations of starting up, regulating speed and stirring for easily dissolving a sample, feeding materials into a reaction vessel, starting a power supply switch kl of a vibration source M of an ultrasonic generator, setting the ultrasonic intensity and the heat supply temperature of the vibration source M of the ultrasonic generator by a regulator P1 of the ultrasonic generator, starting a power supply switch k4 of a power supply circuit of a far infrared generator (3) when the temperature required by a reaction system exceeds the temperature provided by the ultrasonic generator (11), setting the temperature to be provided by the regulator P4 of the far infrared generator, supplying heat to the reaction system by the far infrared generator (3) through a heat transfer medium, and starting a sample treatment reaction process; the rest of the operation is the same as the treatment process of the easily soluble sample.
9. Use of a portable sample analysis pre-processor according to claim 7, characterized by a concentration and evaporation drying operation: the processing operation of the insoluble sample is repeated, the exhaust component is adjusted to cover the surface of the reaction tank according to the requirement, the gas in the reaction tank tends to be in a negative pressure state through the exhaust action of the exhaust fan (16), and the time for concentrating, evaporating and drying the liquid is reduced.
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