CN115389608A - Component mass spectrum detection device for dangerous chemical wastewater - Google Patents
Component mass spectrum detection device for dangerous chemical wastewater Download PDFInfo
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- CN115389608A CN115389608A CN202211123240.1A CN202211123240A CN115389608A CN 115389608 A CN115389608 A CN 115389608A CN 202211123240 A CN202211123240 A CN 202211123240A CN 115389608 A CN115389608 A CN 115389608A
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- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
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Abstract
The invention discloses a component mass spectrum detection device for hazardous chemical wastewater, which comprises a detection box and a sealing partition plate fixedly connected to the inner wall of the detection box, wherein a detection chamber is formed between the top of the sealing partition plate and the detection box; wherein, the chamber door is installed just to the position that corresponds the sample and place the room in the front of detection case, and the vacuum pump is installed at the top of detection case side, and the pipe of managing to find time of vacuum pump communicates with each other with the detection room. The invention not only facilitates the delivery and the detection of the wastewater sample to be detected, thereby facilitating the operation of workers, but also can ensure the air tightness in the detection process, thereby avoiding the influence of air leakage on the detection result, and further ensuring the detection accuracy.
Description
Technical Field
The invention relates to the technical field of wastewater detection, in particular to a mass spectrum detection device for components of hazardous chemical wastewater.
Background
Waste water detects mainly is the waste water to discharge in the production technology process, sewage and water biological detection's general title, wherein, mass spectrum detection device is because it detects the precision height, consequently by the wide application in waste water detection, in the testing process, need carry out high temperature atomization with waste water, then collect the steam after the atomizing through the sample receiving flask, the steam after the collection is sent into and is carried out ionization detection in the mass spectrum detection device, and generally be vacuum detection among the mass spectrum detection process, but mass spectrum detection device among the prior art, be not convenient for carry out the censorship to the sample of collecting, and the gas tightness is not enough when detecting, thereby lead to the analysis result various, and then influence the precision that detects.
Disclosure of Invention
The technical task of the invention is to provide a mass spectrum detection device for the components of hazardous chemical wastewater, which not only facilitates the delivery and detection of wastewater samples to be detected so as to facilitate the operation of workers, but also ensures the air tightness in the detection process so as to avoid the influence of air leakage on the detection result, and thus ensures the detection accuracy, thereby solving the problems.
The technical scheme of the invention is realized as follows: a device for mass spectrometric detection of components of hazardous chemical wastewater, comprising:
detection case and fixed connection be in sealed baffle on the detection incasement wall, just sealed baffle's top with form the detection room between the detection case, sealed baffle's bottom with form the sample between the detection case and place the room, the inside of detection case just corresponds the position of sample placement room is provided with and send a kind mechanism, the top of detection case just corresponds opening mechanism is installed to the position of detection room.
Furthermore, a box door is installed on the front face of the detection box and in a position corresponding to the sample placing chamber, a vacuum pump is installed on the top of the side face of the detection box, a vacuumizing pipe of the vacuum pump is communicated with the detection chamber, a vacuum breaking pipe is fixedly installed on one side of the top of the detection box, the bottom of the vacuum breaking pipe is communicated with the detection chamber of the detection box, a vacuum breaking valve is installed on the vacuum breaking pipe, and a detection unit is also installed on the top of the side face of the inner wall of the detection box;
wherein, the center of the sealing clapboard is provided with a feeding hole.
Further, the sample feeding mechanism comprises a lifting platform, a driving assembly is mounted on the side face of the lifting platform, a placing mechanism is mounted at the top of the lifting platform, and a sample bottle is placed on the placing mechanism;
wherein, drive assembly includes the screw spindle, the bottom of screw spindle is passed through ball bearing and is rotated and install the bottom of detection box inner wall, the top of screw spindle is passed through ball bearing and is rotated and install sealed bulkhead's bottom, threaded connection has on the screw spindle with the thread bush that the screw spindle is mutually supported, just the side of thread bush with elevating platform fixed connection, the side of detection box inner wall just corresponds the position fixedly connected with of screw spindle is just reversing the motor, fixedly connected with drive shaft on the output shaft of just reversing the motor, the tip fixedly connected with initiative conical gear of drive shaft, the epaxial and corresponding of screw the position fixedly connected with of initiative conical gear with initiative conical gear intermeshing's driven conical gear.
Furthermore, the placing mechanism comprises a placing seat fixedly connected to the top of the lifting platform, a placing assembly is mounted at the bottom of the inner wall of the placing seat, and a plurality of clamping assemblies which are arranged at equal intervals are further arranged on the inner wall of the placing seat;
the placing assembly comprises a placing table, a limiting telescopic rod is fixedly connected to the center of the bottom of the placing table, the bottom of the limiting telescopic rod is fixedly connected with the center of the bottom of the inner wall of the placing seat, a plurality of roller seats are fixedly connected to the edge of the bottom of the placing table and are arranged equidistantly, and extrusion rollers are rotatably mounted on the roller seats through roller shafts.
Furthermore, the clamping assembly comprises an installation frame fixedly connected to the inner wall of the placing seat, a clamping rotating rod is rotatably installed on the installation frame through a connecting shaft, the bottom of the side surface of the clamping rotating rod is fixedly connected with the inner wall of the placing seat through a clamping spring, the bottom of the clamping rotating rod, which is far away from the clamping spring, is fixedly connected with an extrusion inclined block matched with the extrusion roller, and the top of the clamping rotating rod, which is far away from the clamping spring, is fixedly connected with an arc-shaped clamping plate matched with the sample bottle body;
the opening mechanism comprises an electric cylinder fixedly connected to the center of the top of the detection box, a connecting frame is fixedly connected to the output end of the electric cylinder, electric push rods are fixedly connected to the two sides of the connecting frame, and arc-shaped clamping blocks matched with bottle stoppers of the sample bottles are fixedly connected to the output ends of the electric push rods.
Furthermore, a limiting assembly is further mounted at the top of the sealing partition plate, the limiting assembly comprises a limiting ring, the diameter of an inner ring of the limiting ring is smaller than the diameter of a bottle body of the sample bottle and larger than the diameter of a bottle stopper of the sample bottle, and two sides of the limiting ring are fixedly connected to the top of the sealing partition plate through L-shaped rods;
the top fixedly connected with first pressure sensor of placing the platform, the bottom fixedly connected with second pressure sensor of spacing ring, the bottom fixedly connected with third pressure sensor of link.
Furthermore, the detection unit is composed of an ion source, a mass analyzer and a detector, the ion source and the mass analyzer are connected through an ion optical system, the ion source is used for ionizing the wastewater to be detected and leading out an ion beam current from the wastewater, the mass analyzer is used for separating the ion beam current according to the mass-to-charge ratio, and the detector is used for recording the separated ions and transmitting the ions to an external display screen, so that a mass spectrogram of the wastewater is obtained;
the bottom of detection case inner wall still fixedly connected with slide bar, the top of slide bar with sealed baffle's bottom fixed connection, sliding connection has the sliding sleeve on the slide bar, just the sliding sleeve is close to one side of elevating platform with the side fixed connection of elevating platform.
Furthermore, a sealing ring is fixedly connected to the edge of the top of the lifting platform, and a sealing groove matched with the sealing ring is fixedly connected to the bottom of the sealing partition plate and corresponds to the position of the feeding port;
the driving shaft is rotatably connected with a limiting bearing sleeve, and the bottom of the limiting bearing sleeve is fixedly connected with the bottom of the inner wall of the detection box through an installation rod.
Furthermore, a first arc-shaped clamping pad matched with the bottle body of the sample bottle is fixedly connected to the inner wall of the arc-shaped clamping plate;
and a second arc-shaped clamping pad matched with the bottle stopper of the sample bottle is fixedly connected to the inner wall of the arc-shaped clamping block.
Furthermore, the top of the detection box is fixedly connected with a sealing gasket in a position corresponding to the electric cylinder.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the detection box comprises a box door, a vacuum pump, a vacuum breaking tube and a detection unit, wherein the box door is arranged to facilitate taking and placing of a sample bottle, the vacuum pump is arranged to facilitate vacuum extraction of a detection chamber, the vacuum breaking tube is arranged to facilitate breaking of vacuum in the detection box, the arranged detection unit facilitates ionization of waste water to be detected and leading out of ion beam current, then the ion beam current is separated according to the mass-to-charge ratio, and the separated ions are recorded and transmitted to an external display screen, so that the mass spectrogram of the waste water is obtained;
2. the balance state of the forward and reverse rotating motor can be mastered by establishing the mathematical model of the forward and reverse rotating motor, so that the output of the forward and reverse rotating motor is effectively controlled by using voltage, and the output of the forward and reverse rotating motor can stably drive the transmission of the detection device, so that the device can normally operate;
3. according to the invention, the arranged driving assembly consists of the threaded shaft, the threaded sleeve, the forward and reverse rotating motor, the driving shaft, the driving conical gear and the driven conical gear, the forward and reverse rotating motor drives the driving conical gear on the driving shaft to rotate, and the threaded shaft is driven to rotate under the meshing action of the teeth of the driven conical gear, so that the lifting platform can be driven to lift through the threaded sleeve under the action of the threads of the threaded sleeve, and a sample in a sample bottle can be conveniently conveyed to the detection chamber;
4. according to the invention, the arranged placing mechanism consists of the placing seat, the placing assembly and the clamping assembly, when the sample bottle is placed on the placing table, the placing table is driven to move downwards under the action of the gravity of the sample bottle, so that the extrusion inclined block can be extruded through the extrusion roller, the clamping rotating rod can be driven to rotate, and the bottle body of the sample bottle is clamped through the arc-shaped clamping plate, thereby greatly facilitating the fixation of the sample bottle;
4. according to the invention, the arranged opening mechanism is composed of the electric cylinder, the connecting frame, the electric push rods and the arc-shaped clamping blocks, the connecting frame is driven to move downwards to the position of the sample bottle by the electric cylinder, the two arc-shaped clamping blocks are driven by the two electric push rods to clamp and fix the bottle stopper of the sample bottle, and then the connecting frame is driven to move upwards by the electric cylinder, so that the sample bottle can be conveniently opened, the whole opening process is completed in the detection chamber in a closed manner, and the influence of outside air on detection can be effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a mass spectrometric detection apparatus for components of hazardous chemical wastewater according to an embodiment of the present invention;
FIG. 2 is a schematic sectional view showing a mass spectrometric detection apparatus for a component of a hazardous chemical wastewater according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the construction of a sealing partition plate in a mass spectrometric detection apparatus for a component of a hazardous chemical wastewater in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another view of a sealing partition plate in the mass spectrometric detection device for the components of hazardous chemical wastewater in accordance with an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a limiting component in a mass spectrometric detection device for the components of hazardous chemical wastewater according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a sample feeding mechanism in a mass spectrometric detection apparatus for a component of a hazardous chemical wastewater according to an embodiment of the present invention;
FIG. 7 is an enlarged partial schematic view of FIG. 6 at A in accordance with the present invention;
FIG. 8 is a schematic configuration diagram of a placement mechanism in a mass spectrometry detection apparatus for components of hazardous chemical wastewater according to an embodiment of the present invention;
FIG. 9 is a schematic sectional view showing the structure of a placement mechanism in a mass spectrometric detection apparatus for a component of a hazardous chemical waste water according to an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a placement module in a mass spectrometric detection apparatus for the composition of a hazardous chemical wastewater in accordance with an embodiment of the present invention;
FIG. 11 is a schematic structural view of another perspective of placement of components in a mass spectrometric detection apparatus for the composition of hazardous chemical wastewater in accordance with an embodiment of the present invention;
FIG. 12 is a schematic structural view of a clamping unit in a mass spectrometric detection apparatus for a component of a hazardous chemical waste water according to an embodiment of the present invention;
FIG. 13 is a schematic structural view of an opening mechanism in a mass spectrometric detection apparatus for a component of a hazardous chemical wastewater according to an embodiment of the present invention;
fig. 14 is a block diagram of an apparatus for mass spectrometric detection of a component of a hazardous chemical wastewater in accordance with an embodiment of the present invention.
In the figure:
1. a detection box; 2. sealing the partition plate; 3. a sample feeding mechanism; 4. an opening mechanism; 5. a first pressure sensor; 6. a second pressure sensor; 7. a third pressure sensor;
101. a box door; 102. a vacuum pump; 103. breaking a vacuum tube; 104. a detection unit;
201. a feeding port; 202. a limiting component;
2021. a limiting ring; 2022. an L-shaped rod;
301. a lifting platform; 302. a drive assembly; 303. a placement mechanism; 304. a sample bottle;
3021. a threaded shaft; 3022. a threaded sleeve; 3023. a positive and negative rotation motor; 3024. a drive shaft; 3025. a driving bevel gear; 3026. a driven bevel gear;
3031. a placing seat; 3032. placing the component; 3033. a clamping assembly;
30321. a placing table; 30322. limiting the telescopic rod; 30323. a roller seat; 30324. extruding the roller;
30331. a mounting frame; 30332. clamping the rotating rod; 30333. a clamping spring; 30334. extruding the inclined block; 30335. an arc-shaped splint;
401. an electric cylinder; 402. a connecting frame; 403. an electric push rod; 404. an arc-shaped clamping block;
3011. a slide bar; 30111. a sliding sleeve; 3012. a seal ring; 30121. a sealing groove;
30241. a limiting bearing sleeve; 30242. and (7) installing a rod.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The invention is further described with reference to the following figures and specific examples.
Example 1
As shown in fig. 1 to 14, the mass spectrometry detection device for the components of hazardous chemical wastewater according to the embodiment of the present invention comprises a detection box 1 and a sealing partition plate 2 fixedly connected to the inner wall of the detection box 1, wherein a detection chamber is formed between the top of the sealing partition plate 2 and the detection box 1, a sample placing chamber is formed between the bottom of the sealing partition plate 2 and the detection box 1, a sample feeding mechanism 3 is arranged inside the detection box 1 and at a position corresponding to the sample placing chamber, and an opening mechanism 4 is arranged at the top of the detection box 1 and at a position corresponding to the detection chamber;
the detection box comprises a detection box 1, a box door 101, a vacuum pump 102, a vacuum pipe of the vacuum pump 102 and a detection chamber, wherein the box door 101 is installed on the front side of the detection box 1 and corresponds to a position of a sample placing chamber, the top of the side surface of the detection box 1 is provided with the vacuum pipe 103, the vacuum pipe is communicated with the detection chamber, one side of the top of the detection box 1 is fixedly provided with a vacuum breaking pipe 103, the bottom of the vacuum breaking pipe 103 is communicated with the detection chamber of the detection box 1, the vacuum breaking pipe 103 is provided with a vacuum breaking valve, and the top of the side surface of the inner wall of the detection box 1 is also provided with a detection unit 104;
wherein, the center of the sealing clapboard 2 is provided with a feeding hole 201;
the sample feeding mechanism 3 comprises a lifting platform 301, a driving assembly 302 is installed on the side surface of the lifting platform 301, a placing mechanism 303 is installed on the top of the lifting platform 301, and a sample bottle 304 is placed on the placing mechanism 303;
the driving assembly 302 comprises a threaded shaft 3021, the bottom of the threaded shaft 3021 is rotatably mounted at the bottom of the inner wall of the detection box 1 through a ball bearing, the top of the threaded shaft 3021 is rotatably mounted at the bottom of the sealing partition plate 2 through a ball bearing, a threaded sleeve 3022 which is matched with the threaded shaft 3021 is in threaded connection with the threaded shaft 3021, the side surface of the threaded sleeve 3022 is fixedly connected with the lifting table 301, a forward and reverse motor 3023 is fixedly connected to the side surface of the inner wall of the detection box 1 at a position corresponding to the threaded shaft 3021, a driving shaft 3024 is fixedly connected to an output shaft of the forward and reverse motor 3023, a driving bevel gear 3025 is fixedly connected to the end of the driving shaft 3024, and a driven bevel gear 3026 which is meshed with the driving bevel gear 3025 is fixedly connected to the threaded shaft 3021 at a position corresponding to the driving bevel gear 3025;
the placing mechanism 303 comprises a placing seat 3031 fixedly connected to the top of the lifting platform 301, a placing component 3032 is mounted at the bottom of the inner wall of the placing seat 3031, and a plurality of clamping components 3033 which are arranged at equal intervals are further arranged on the inner wall of the placing seat 3031;
the placing assembly 3032 comprises a placing table 30321, a limiting telescopic rod 30322 is fixedly connected at the center of the bottom of the placing table 30321, the bottom of the limiting telescopic rod 30322 is fixedly connected with the center of the bottom of the inner wall of the placing seat 3031, a plurality of roller seats 30323 which are arranged at equal intervals are fixedly connected at the edge of the bottom of the placing table 30321, and extrusion rollers 30324 are rotatably mounted on the roller seats 30323 through roller shafts;
the clamping assembly 3033 comprises a mounting frame 30331 fixedly connected to the inner wall of the placing seat 3031, a clamping rotating rod 30332 is rotatably mounted on the mounting frame 30331 through a connecting shaft, the bottom of the side surface of the clamping rotating rod 30332 is fixedly connected with the inner wall of the placing seat 3031 through a clamping spring 30333, a pressing inclined block 30334 matched with the pressing roller 30324 is fixedly connected to the bottom of one side of the clamping rotating rod 30332, which is far away from the clamping spring 30333, and an arc-shaped clamping plate 30335 matched with the bottle body of the sample bottle 304 is fixedly connected to the top of one side of the clamping rotating rod 30332, which is far away from the clamping spring 30333;
the opening mechanism 4 comprises an electric cylinder 401 fixedly connected to the center of the top of the detection box 1, a connecting frame 402 is fixedly connected to the output end of the electric cylinder 401, electric push rods 403 are fixedly connected to both sides of the connecting frame 402, and arc-shaped clamping blocks 404 matched with bottle stoppers of the sample bottles 304 are fixedly connected to the output ends of the electric push rods 403;
wherein, the top of the placing table 30321 is fixedly connected with a first pressure sensor 5, the bottom of the limit ring 2021 is fixedly connected with a second pressure sensor 6, and the bottom of the connecting frame 402 is fixedly connected with a third pressure sensor 7;
the detection unit 104 is composed of an ion source, a mass analyzer and a detector, the ion source and the mass analyzer are connected through an ion optical system, the ion source is used for ionizing the wastewater to be detected and leading out an ion beam current therefrom, the mass analyzer is used for separating the ion beam current according to the mass-to-charge ratio, and the detector is used for recording the separated ions and transmitting the ions to an external display screen, so that the mass spectrogram of the wastewater is obtained.
By adopting the technical scheme, the wastewater sample to be detected is conveniently sent for detection, so that the operation of workers is facilitated, the air tightness in the detection process can be ensured, the influence of air leakage on the detection result is avoided, and the detection accuracy is also ensured;
the detection box 1 comprises a box door 101, a vacuum pump 102, a vacuum breaking tube 103 and a detection unit 104, the box door 101 is arranged to facilitate taking and placing of a sample bottle 304, the vacuum pump 102 is arranged to facilitate vacuum extraction of the detection chamber, the vacuum breaking tube 103 is arranged to facilitate breaking of vacuum in the detection box 1, the detection unit 104 is arranged to facilitate ionization of wastewater to be detected, ion beam current is led out of the wastewater, then the ion beam current is separated according to the mass-to-charge ratio, and the separated ions are recorded and transmitted to an external display screen, so that a mass spectrogram of the wastewater is obtained;
the driving assembly 302 is composed of a threaded shaft 3021, a threaded sleeve 3022, a forward and reverse rotation motor 3023, a driving shaft 3024, a driving bevel gear 3025 and a driven bevel gear 3026, the forward and reverse rotation motor 3023 drives the driving bevel gear 3025 on the driving shaft 3024 to rotate, and the threaded shaft 3021 is driven to rotate under the meshing action of teeth of the driven bevel gear 3026, so that the lifting platform 301 can be driven to lift through the threaded sleeve 3022 under the action of threads of the threaded sleeve 3022, thereby facilitating the conveyance of a sample inside the sample bottle 304 to the detection chamber;
according to kirchhoff's law and Newton's second law, the mechanism analysis is carried out on the positive and reverse rotating motors, and the obtained dynamic mathematical model can be expressed as
Wherein u is a (t) represents the input voltage of the motor in forward and reverse rotation, R a Representing armature resistance, i a (t) represents the motor input current in forward and reverse rotation, L a Representing armature inductance, dt representing integral operation, E a Representing induced voltage, ω representing positive and negative motor speed output, T e Representing the torque of a rotating electric machine, B representing the damping coefficient, J representing the moment of inertia, K e Representing the back electromotive force coefficient, K T Denotes the torque constant, I a Representing a constant value of current.
Wherein u is a (s) represents the constant voltage input by the forward and reverse motor, omega(s) represents the constant voltage output by the forward and reverse motor, K T Denotes the torque constant, L a Expressing armature inductance, J rotational inertia, s coefficient variable, B damping coefficient, R a Representing armature resistance, K T Representing the torque constant, K e Which represents the coefficient of the back-emf,
the balance state of the forward and reverse rotating motor can be mastered by establishing a mathematical model of the forward and reverse rotating motor, so that the output of the forward and reverse rotating motor can be effectively controlled by using voltage, and the output of the forward and reverse rotating motor can stably drive the transmission of the detection device, so that the device can normally operate.
When the sample bottle 304 is placed on the placing table 30321, the placing table 30321 is driven to move downwards under the action of gravity of the sample bottle 304, so that the squeezing inclined block 30334 can be squeezed by the squeezing roller 30324, the clamping rotating rod 30332 can be driven to rotate, the bottle body of the sample bottle 304 is clamped by the arc-shaped clamping plate 30335, and the sample bottle 304 is greatly convenient to fix;
wherein, opening mechanism 4 is by electric cylinder 401, link 402, electric putter 403 and arc clamp splice 404 constitute, drive link 402 through electric cylinder 401 and move down to the position of sample bottle 304, and drive two arc clamp splices 404 through two electric putter 403 and carry out the centre gripping fixed to the bottle plug of sample bottle 304, then drive link 402 through electric cylinder 401 and shift up, consequently can be very convenient open sample bottle 304, and whole opening process is in the airtight completion in detection room, can effectually avoid the influence of outside air to the detection.
Example 2
As shown in fig. 1 to 14, the difference between this embodiment and embodiment 1 is that a limiting component 202 is further installed on the top of the sealing partition plate 2, the limiting component 202 includes a limiting ring 2021, the diameter of an inner ring of the limiting ring 2021 is smaller than the diameter of a body of the sample bottle 304 and larger than the diameter of a stopper of the sample bottle 304, and both sides of the limiting ring 2021 are fixedly connected to the top of the sealing partition plate 2 through an L-shaped rod 2022.
Through adopting above-mentioned technical scheme, can play limiting displacement to sample bottle 304, when avoiding pulling out sample bottle 304's bottle plug, sample bottle 304 breaks away from clamping component 3033 to sample bottle 304's stability has been improved.
Example 3
As shown in fig. 1 to 14, the difference between this embodiment and embodiment 2 is that a sliding rod 3011 is further fixedly connected to the bottom of the inner wall of the detection box 1, the top of the sliding rod 3011 is fixedly connected to the bottom of the sealing partition plate 2, a sliding sleeve 30111 is slidably connected to the sliding rod 3011, one side of the sliding sleeve 30111 close to the lifting platform 301 is fixedly connected to the side of the lifting platform 301, a sealing ring 3012 is fixedly connected to the edge of the top of the lifting platform 301, and a sealing groove 30121 matched with the sealing ring 3012 is fixedly connected to the bottom of the sealing partition plate 2 and the position corresponding to the feeding port 201.
By adopting the technical scheme, the sealing performance of the lifting platform 301 when the feeding port 201 is blocked is improved.
Example 4
As shown in fig. 1 to 14, the present embodiment is different from embodiment 3 in that a limit bearing sleeve 30241 is rotatably connected to a drive shaft 3024, and the bottom of the limit bearing sleeve 30241 is fixedly connected to the bottom of the inner wall of the inspection box 1 via a mounting rod 30242.
By adopting the above technical scheme, the stability of the rotation of the drive shaft 3024 is increased.
Example 5
As shown in fig. 1 to 14, this embodiment is different from embodiment 4 in that a first arc-shaped clamping pad matched with the body of the sample bottle 304 is fixedly connected to the inner wall of the arc-shaped clamp plate 30335, and a second arc-shaped clamping pad matched with the stopper of the sample bottle 304 is fixedly connected to the inner wall of the arc-shaped clamp block 404.
Through adopting above-mentioned technical scheme, increased the stability to the body and the bottle plug centre gripping of sample bottle 304.
Example 6
As shown in fig. 1 to 14, the present embodiment is different from embodiment 5 in that a gasket is further fixedly connected to the top of the detection box 1 at a position corresponding to the electric cylinder 401.
Through adopting above-mentioned technical scheme, increased the leakproofness that detection case 1 corresponds electric jar 401 position.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, a sample bottle 304 to be detected is placed on the placing table 30321, the sample bottle 304 drives the placing table 30321 to move downwards under the action of gravity, so that the pressing inclined block 30334 can be pressed through the pressing roller 30324, the clamping rotating rod 30332 can be driven to rotate, the bottle body of the sample bottle 304 is clamped through the arc-shaped clamping plate 30335, the sample bottle 304 is greatly convenient to fix, meanwhile, the sample bottle 304 applies pressure to the first pressure sensor 5 on the placing table 30321, the operation of the forward and reverse rotating motor 3023 is controlled through the external controller, the driving bevel gear 3025 on the driving shaft 3024 is driven to rotate, the threaded shaft 3021 is driven to rotate under the meshing action of the teeth of the driven bevel gear 3026, and therefore, under the action of the threads of the threaded sleeve 3022, the lifting table 301 can be driven to lift through the threaded sleeve 3022, thereby conveniently carry to the detection room through pay-off mouth 201 to the inside sample of sample bottle 304, when the top of sample bottle 304 and the contact of second pressure sensor 6, external controller control positive reverse motor 3023 stop operation, and simultaneously, control electric cylinder 401 operates, electric cylinder 401 drives link 402 and moves down to the position of sample bottle 304, when third pressure sensor 7 and the top contact of spacing ring 2021, external controller control electric cylinder 401 stops the operation, and control electric putter 403 operates, thereby can drive two arc clamp splice 404 and carry out the centre gripping fixed to the bottle plug of sample bottle 304, then it shifts up to drive link 402 through electric cylinder 401 again, consequently, can be very convenient open sample bottle 304, and whole opening process is airtight in the detection room and accomplishes, can effectually avoid the influence of outside air to the detection, at last rethread detecting unit 104 detects the waste water sample.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the embodiments disclosed, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
Claims (10)
1. The utility model provides a composition mass spectrum detection device of hazardous chemicals waste water which characterized in that includes:
detection case (1) and fixed connection be in sealed baffle (2) on detection case (1) inner wall, just the top of sealed baffle (2) with form the detection room between detection case (1), the bottom of sealed baffle (2) with form the sample between detection case (1) and place the room, the inside of detection case (1) just corresponds the position of sample placing the room is provided with and send appearance mechanism (3), the top of detection case (1) just corresponds opening mechanism (4) are installed to the position of detection room.
2. The apparatus for mass spectrometric detection of components of hazardous chemical waste water of claim 1,
the detection device comprises a detection box (1), a box door (101) is installed on the front face of the detection box (1) and corresponds to the position of a sample placing chamber, a vacuum pump (102) is installed on the top of the side face of the detection box (1), an evacuation pipe of the vacuum pump (102) is communicated with the detection chamber, a vacuum breaking pipe (103) is fixedly installed on one side of the top of the detection box (1), the bottom of the vacuum breaking pipe (103) is communicated with the detection chamber of the detection box (1), a vacuum breaking valve is installed on the vacuum breaking pipe (103), and a detection unit (104) is further installed on the top of the side face of the inner wall of the detection box (1);
wherein, a feeding port (201) is arranged at the center of the sealing clapboard (2).
3. The apparatus for mass spectrometric detection of components of hazardous chemical waste water of claim 2,
the sample feeding mechanism (3) comprises a lifting platform (301), a driving assembly (302) is installed on the side surface of the lifting platform (301), a placing mechanism (303) is installed at the top of the lifting platform (301), and a sample bottle (304) is placed on the placing mechanism (303);
wherein, drive assembly (302) includes threaded shaft (3021), the bottom of threaded shaft (3021) is installed through ball bearing rotation the bottom of detection case (1) inner wall, the top of threaded shaft (3021) is installed through ball bearing rotation the bottom of sealed baffle (2), threaded shaft (3021) go up threaded connection with threaded shaft (3021) the thread bush (3022) of mutually supporting, just the side of thread bush (3022) with elevating platform (301) fixed connection, the side of detection case (1) inner wall just corresponds the position fixedly connected with of threaded shaft (3021) is motor (3023) that just reverses, fixedly connected with drive shaft (3024) on the output shaft of motor (3023) that reverses, the tip fixedly connected with initiative conical gear (3025) of drive shaft (3024), threaded shaft (3021) is gone up and is corresponded the position fixedly connected with of initiative conical gear (3025) with initiative conical gear (3025) intermeshing's driven conical gear (3026).
4. The apparatus for mass spectrometric detection of a component of hazardous chemical wastewater of claim 2, wherein,
the placing mechanism (303) comprises a placing seat (3031) fixedly connected to the top of the lifting platform (301), a placing component (3032) is mounted at the bottom of the inner wall of the placing seat (3031), and a plurality of clamping components (3033) which are arranged at equal intervals are further arranged on the inner wall of the placing seat (3031);
the placing assembly (3032) comprises a placing table (30321), a limiting telescopic rod (30322) is fixedly connected to the center of the bottom of the placing table (30321), the bottom of the limiting telescopic rod (30322) is fixedly connected to the center of the bottom of the inner wall of the placing base (3031), a plurality of roller bases (30323) which are arranged at equal intervals are fixedly connected to the edge of the bottom of the placing table (30321), and extrusion rollers (30324) are rotatably mounted on the roller bases (30323) through roller shafts.
5. The apparatus for mass spectrometric detection of a component of hazardous chemical wastewater of claim 1, wherein,
the clamping assembly (3033) comprises a mounting frame (30331) fixedly connected to the inner wall of the placing seat (3031), a clamping rotating rod (30332) is rotatably mounted on the mounting frame (30331) through a connecting shaft, the bottom of the side surface of the clamping rotating rod (30332) is fixedly connected with the inner wall of the placing seat (3031) through a clamping spring (30333), a pressing inclined block (30334) matched with the pressing roller (30324) is fixedly connected to the bottom of one side, away from the clamping spring (30333), of the clamping rotating rod (30332), and an arc clamping plate (30335) matched with the bottle body of the sample bottle (304) is fixedly connected to the top of one side, away from the clamping spring (30333), of the clamping rotating rod (30332);
the opening mechanism (4) comprises an electric cylinder (401) fixedly connected to the center of the top of the detection box (1), a connecting frame (402) is fixedly connected to the output end of the electric cylinder (401), electric push rods (403) are fixedly connected to the two sides of the connecting frame (402), and arc-shaped clamping blocks (404) matched with bottle plugs of the sample bottles (304) are fixedly connected to the output end of the electric push rods (403).
6. The apparatus for mass spectrometric detection of components of hazardous chemical waste water of claim 2,
the top of the sealing partition plate (2) is further provided with a limiting assembly (202), the limiting assembly (202) comprises a limiting ring (2021), the diameter of an inner ring of the limiting ring (2021) is smaller than the diameter of a bottle body of the sample bottle (304) and larger than the diameter of a bottle stopper of the sample bottle (304), and two sides of the limiting ring (2021) are fixedly connected to the top of the sealing partition plate (2) through L-shaped rods (2022);
the top of the placing table (30321) is fixedly connected with a first pressure sensor (5), the bottom of the limiting ring (2021) is fixedly connected with a second pressure sensor (6), and the bottom of the connecting frame (402) is fixedly connected with a third pressure sensor (7).
7. The device for mass spectrometric detection of components of hazardous chemical wastewater according to claim 3, characterized in that the detection unit (104) is composed of an ion source, a mass analyzer and a detector, and the ion source and the mass analyzer are connected by an ion optical system, the ion source is used for ionizing the wastewater to be detected and extracting an ion beam current therefrom, the mass analyzer is used for dividing the ion beam current according to the mass-to-charge ratio, and the detector is used for recording the divided ions and transmitting the ions to an external display screen, thereby obtaining the mass spectrogram of the wastewater;
the bottom of detection case (1) inner wall still fixedly connected with slide bar (3011), the top of slide bar (3011) with the bottom fixed connection of sealed baffle (2), sliding connection has sliding sleeve (30111) on slide bar (3011), just sliding sleeve (30111) are close to one side of elevating platform (301) with the side fixed connection of elevating platform (301).
8. The device for mass spectrometric detection of components in hazardous chemical wastewater according to claim 3, characterized in that a sealing ring (3012) is fixedly connected to the edge of the top of the lifting platform (301), and a sealing groove (30121) matched with the sealing ring (3012) is fixedly connected to the bottom of the sealing partition plate (2) and the position corresponding to the feeding port (201);
the driving shaft (3024) is rotatably connected with a limiting bearing sleeve (30241), and the bottom of the limiting bearing sleeve (30241) is fixedly connected with the bottom of the inner wall of the detection box (1) through an installation rod (30242).
9. The device for mass spectrometric detection of the components of hazardous chemical wastewater as claimed in claim 3, wherein the inner wall of said arc clamp plate (30335) is fixedly connected with a first arc clamp pad matching with the body of said sample bottle (304);
and a second arc-shaped clamping pad matched with the bottle stopper of the sample bottle (304) is fixedly connected to the inner wall of the arc-shaped clamping block (404).
10. The device for mass spectrometry detection of the components of hazardous chemical wastewater according to claim 3, wherein a sealing gasket is further fixedly connected to the top of the detection box (1) at a position corresponding to the electric cylinder (401).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211123240.1A CN115389608B (en) | 2022-09-15 | 2022-09-15 | Component mass spectrum detection device of dangerous chemical waste water |
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| CN202211123240.1A CN115389608B (en) | 2022-09-15 | 2022-09-15 | Component mass spectrum detection device of dangerous chemical waste water |
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| CN115389608B CN115389608B (en) | 2023-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117141948A (en) * | 2023-10-30 | 2023-12-01 | 江苏泰润物流装备有限公司 | Chemical storage container |
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| CN212207199U (en) * | 2020-06-09 | 2020-12-22 | 中国标准化研究院 | Agricultural product pesticide residue detection instrument based on mass spectrometry technology |
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| CN117141948B (en) * | 2023-10-30 | 2024-02-13 | 江苏泰润物流装备有限公司 | Chemical storage container |
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| CN115389608B (en) | 2023-06-09 |
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