CN110426327B - Test sampling system of laser particle analyzer - Google Patents
Test sampling system of laser particle analyzer Download PDFInfo
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- CN110426327B CN110426327B CN201910687318.4A CN201910687318A CN110426327B CN 110426327 B CN110426327 B CN 110426327B CN 201910687318 A CN201910687318 A CN 201910687318A CN 110426327 B CN110426327 B CN 110426327B
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 239000002245 particle Substances 0.000 title claims abstract description 19
- 238000005070 sampling Methods 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 53
- 239000006185 dispersion Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000017525 heat dissipation Effects 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001132 ultrasonic dispersion Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002270 dispersing agent Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 4
- 239000002612 dispersion medium Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
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Abstract
The invention discloses a test sample introduction system of a laser particle analyzer, which comprises a circulating disperser, a heat dissipation dustproof mechanism and a stirring mechanism, wherein the back surface of the circulating disperser is connected with the front surface of the heat dissipation dustproof mechanism, the right side of the upper end of a shell of the circulating disperser is provided with a dispersion pool, the heat dissipation dustproof mechanism comprises a heat dissipation hole groove, a side sliding rail plate, a bottom clamping groove plate, a guide wheel and the like, the heat dissipation is efficient, the dust is prevented, the stirring mechanism comprises a motor, a fixed frame, a driving wheel, a driven wheel, a driving belt, an auxiliary supporting frame and stirring blades, the size is small, and the dispersion pool is a cone and is obliquely arranged. This test sampling system of laser particle analyzer has dustproof radiating effect, because the dispersion tank sets up for cone and slant, its water consumption is 1/6 of traditional vertical cylinder dispersion tank injector only, has reduced the water consumption by a wide margin to the stirring is more abundant rapid, has shortened test time, has reduced drainage pipe's jam rate, also can normally test when the sample is less.
Description
Technical Field
The invention relates to the technical field of sample introduction devices, in particular to a test sample introduction system of a laser particle analyzer.
Background
The laser particle analyzer is divided into a wet method and a dry method according to the characteristics of a substance to be detected, wherein the wet method sample injection device also has some design defects.
Traditional laser particle analyzer's wet process test sampling device generally has the circulating pump, supersonic generator, motor and some other electrical components, advances kind work and expandes the back, and inside calorific capacity is very big, consequently, the great louvre in aperture has all been seted up to wet process test sampling device's shell, and the large aperture louvre can be gone out inside heat conduction relatively fast, but also means inside the dust in the air can get into the device more easily, influences the normal use of the inside electrical components of device.
In addition, current injector dispersion pond is mostly the cylinder, and vertical setting, such design has great defect, firstly, the water consumption is big, and stir speed is slow when the quantity is big, and it is insufficient, the dispersant sinks the end easily, but vertical stirring can not float the dispersant well rapidly, furthermore, because the stirring is abundant and slow inadequately, it is inadequately to appear measuring dispersant concentration easily, the student is for reaching corresponding concentration when the experiment, often can continue to add a large amount of dispersants in to the dispersion pond, the drainage pipe jam rate has been increased, and finally, because the water consumption is big and the stirring is slow and insufficient reason, need a large amount of dispersants and dispersion medium during the appearance advance, lead to traditional injector can't normally advance the appearance under the prerequisite of a small amount of sample, the test just can't go on.
Disclosure of Invention
The invention aims to provide a test sample introduction system of a laser particle analyzer, which achieves the effects of preventing dust and heat dissipation, reducing water consumption, shortening test time, reducing the blockage rate of a drain pipe and realizing that a few samples can be tested.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a test sampling system of laser particle analyzer, includes circulation deconcentrator, heat dissipation dustproof mechanism and rabbling mechanism, the back of circulation deconcentrator is connected with heat dissipation dustproof mechanism's front, the upper end of circulation deconcentrator is connected with rabbling mechanism's bottom.
The circulation deconcentrator comprises shell, circulating pump, circulation delivery port, circulation return water mouth, water inlet, outlet, circulation knob and dispersion tank, the outside of circulation deconcentrator is provided with the shell, the positive left side fixed mounting of shell has the circulating pump, the left shell of circulating pump is from last to lower fixedly connected with circulation delivery port and circulation return water mouth in proper order, just the shell on the right side of circulating pump is from last to lower fixedly connected with water inlet and outlet in proper order, the positive right side of shell is rotated and is connected with the circulation knob, the left side of circulation knob, upper left, upper right and lower right position distribution are provided with water inlet switch, agitator switch, supersonic generator switch and circulating pump switch, the upper end left side of shell is provided with time switch and time display, the upper end right side fixed mounting of shell has the dispersion tank.
The heat dissipation dustproof mechanism consists of a heat dissipation hole groove, a side sliding rail plate, a bottom clamping groove plate, a guide wheel, a threaded column, a threaded knob, a rubber ring, a frame, a mounting frame, a dustproof net and a fixing clamping plate, wherein the heat dissipation hole groove is formed in the back surface of the shell, the two sides of the heat dissipation hole groove are fixedly connected with the side sliding rail plate on the two sides of the back surface of the shell, a rotating shaft is fixedly connected between the side sliding rail plate and the shell, the rotating shaft is rotatably connected with the guide wheel, the lower end of the side sliding rail plate is fixedly connected with the bottom clamping groove plate below the heat dissipation hole groove, the threaded column is fixedly connected with the middle part of the bottom clamping groove plate, the threaded column is in threaded matching connection with the threaded knob, one side of the threaded knob close to the bottom clamping groove plate is fixedly connected with the rubber ring, the square frame is in sliding connection between the side sliding rail plates, and the mounting frame is fixedly connected with a bulge, the inboard fixedly connected with dust screen of installing frame, just the lower extreme middle part fixedly connected with fixed cardboard of installing frame.
Rabbling mechanism comprises motor, mount, action wheel, follow driving wheel, drive belt, auxiliary stay frame, (mixing) shaft and stirring leaf, the leftmost fixed mounting of rabbling mechanism has the mount, the mount is towards the right side slope, the shell fixed mounting on the right side of mount has the motor, the skew left bank of motor, the end rotation of its drive shaft is connected on the mount right side, and fixed the cover has been cup jointed the action wheel in the drive shaft, the right-hand member of mount rotates and is connected with the (mixing) shaft, fixed the cup jointing has from the driving wheel on the (mixing) shaft, the action wheel and be connected with the drive belt from the transmission between the driving wheel, the left side fixedly connected with auxiliary stay frame in dispersion pond, auxiliary stay frame's right-hand member rotates with the (mixing) shaft and is connected, the below end of (mixing) shaft stretches into in the dispersion pond to (mixing) shaft fixedly connected with stirring leaf.
Preferably, three water inlet circular openings are formed in the side face of the interior of the dispersing pool, and the three water inlet circular openings are respectively connected and communicated with the circulating water outlet, the circulating water return opening and the water inlet.
Preferably, the stirrer switch is electrically connected with the motor, and the circulating pump switch is electrically connected with the circulating pump.
Preferably, the protruding direction of the mounting frame is the direction far away from the back of the shell, and the area of the dustproof net connected to the inner side is larger than that of the heat dissipation hole groove.
Preferably, a notch is formed in the lower portion of the fixing clamping plate, the fixing clamping plate is in an inverted U shape, and the width of the notch is larger than the diameter of the threaded column and smaller than the diameter of the threaded knob.
Preferably, the dispersion pond is big-end-up's cone, and the slope left-hand slope sets up to one side, and its inclination is 60, all the time with the inclination unanimity of motor to the slope sets up towards the left side, the left side shell of dispersion pond rotates to be connected by the upper cover, the rectangular groove has been seted up in the left side of upper cover, the upper end of upper cover rotates and is connected with the handle of U type.
Preferably, the stirring shaft and the stirring blades are obliquely arranged, and the stirring blades are large at the top and small at the bottom.
Compared with the prior art, the invention has the beneficial effects that:
(1) this test sampling system of laser particle analyzer has reached the high-efficient heat dissipation and dustproof effectual purpose through setting up the dustproof mechanism of heat dissipation. Traditional laser particle analyzer's wet process test sampling device generally has the circulating pump, supersonic generator, motor and some other electrical components, advances kind work and expandes the back, and inside calorific capacity is very big, consequently, the great louvre in aperture has all been seted up to wet process test sampling device's shell, and the large aperture louvre can be gone out inside heat conduction relatively fast, but also means inside the dust in the air can get into the device more easily, influences the normal use of the inside electrical components of device. And this heat dissipation dustproof mechanism sets up the heat dissipation hole groove in great aperture at the shell back, and it has the dust screen still to have sliding connection in the heat dissipation hole inslot portion, and this dust screen is easy installation, quick detachable, and it is effectual actually to prevent dust, and the practicality is strong.
(2) This test sampling system of laser particle analyzer has reached through setting up rabbling mechanism and has avoided the rabbling mechanism to block the purpose of dispersion tank pond mouth. Traditional wet process test sampling device's agitating unit sets up in the dispersion tank top, and the cantilever of motor, (mixing) shaft and connection motor all sets up in the dispersion tank top, because of dispersion tank pool mouth itself is just less, therefore this kind of rabbling mechanism blocks dispersion tank pool mouth easily, is unfavorable for adding dispersant and dispersion medium. And the motor among this rabbling mechanism sets up in the dispersion tank left side, and dispersion tank top only is provided with (mixing) shaft and from some mechanisms such as driving wheel, and the volume is littleer than the volume of motor, (mixing) shaft and the cantilever of connecting the motor, and the intensive mixing of being convenient for has increased dispersion tank top space to a certain extent, is favorable to adding dispersant and disperse medium.
(3) The test sampling system of the laser particle analyzer can achieve the following four advantages by setting up the slant and the dispersion pool of the cone: firstly, the water consumption for testing is saved, and the water capacity of the sample injector is 1/6 of the water consumption of the original traditional sample injector; secondly, the test time is saved, and the test time is only 1/3 of the original test time; thirdly, the blockage rate of the drainage pipeline is greatly reduced; and fourthly, the result can be measured under the condition of a small amount of samples.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a structure without a dust guard installed on the back surface of the present invention;
FIG. 3 is a schematic view of the backside structure of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a schematic view of the bottom structure of the dust guard of the present invention;
FIG. 6 is an enlarged view at B in FIG. 5;
FIG. 7 is a schematic view of the stirring mechanism of the present invention.
In the figure: 1 circulation disperser, 101 shells, 102 circulating pump, 103 circulation delivery port, 104 circulation return water mouth, 105 water inlets, 106 outlet, 107 circulation knob, 108 dispersion pond, 1081 upper cover, 1082 handle, 2 heat dissipation dustproof mechanism, 201 heat dissipation hole groove, 202 side slide rail board, 203 bottom card slot board, 204 guide wheel, 205 screw post, 206 screw knob, 207 rubber ring, 208 frame, 209 installing frame, 2010 dust screen, 2011 fixed cardboard, 3 rabbling mechanism, 301 motor, 302 mount, 303 action wheel, 304 driven wheel, 305 drive belt, 306 auxiliary support frame, 307 (stirring) shaft, 308 stirring leaf.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a test sampling system of laser particle analyzer, includes circulation deconcentrator 1, heat dissipation dustproof mechanism 2 and rabbling mechanism 3, and the back of circulation deconcentrator 1 is connected with heat dissipation dustproof mechanism 2's front, and the upper end of circulation deconcentrator 1 is connected with rabbling mechanism 2's bottom.
The circulating disperser 1 comprises a shell 101, a circulating pump 102, a circulating water outlet 103, a circulating water return port 104, a water inlet 105, a water outlet 106, a circulating knob 107 and a dispersing pool 108, wherein the shell 101 is arranged outside the circulating disperser 1, the circulating pump 102 is fixedly arranged on the left side of the front surface of the shell 101, the shell 101 on the left side of the circulating pump 102 is fixedly connected with the circulating water outlet 103 and the circulating water return port 104 from top to bottom in sequence, the shell 101 on the right side of the circulating pump 102 is fixedly connected with the water inlet 105 and the water outlet 106 from top to bottom in sequence, the circulating knob 107 is rotatably connected on the right side of the front surface of the shell 101, water inlet switches, stirrer switches, an ultrasonic generator switch and a circulating pump switch are distributed at the positions of the left lower part, the upper left upper part, the upper right part and the lower right part of the circulating knob 107, the stirrer switch is electrically connected with the circulating pump 102, and the left side of the upper end of the shell 101 is provided with a timing switch and a timing display, casing 101's upper end right side fixed mounting has dispersion tank 108, dispersion tank 108 is big-end-up's cone, the slope left-hand slope sets up, its inclination is 60, unanimous with motor 301's inclination, dispersion tank 108's left side casing 101 rotates to be connected by upper cover 1081, rectangular groove has been seted up in upper cover 1081's left side, upper cover 1081's upper end is rotated and is connected with the handle 1082 of U type, be convenient for open upper cover 1081, three circle mouth of intaking has been seted up to dispersion tank 108's inside side, three circle of intaking respectively with circulation delivery port 103, circulation return water mouth 104 and water inlet 105 are connected and are linked together.
The heat dissipation dustproof mechanism 2 is composed of a heat dissipation hole groove 201, a side rail plate 202, a bottom clamping groove plate 203, guide wheels 204, threaded columns 205, threaded knobs 206, rubber rings 207, a frame 208, an installation frame 209, a dustproof net 2010 and a fixed clamping plate 2011, wherein the back surface of the shell 101 is provided with the heat dissipation hole groove 201, the two sides of the heat dissipation hole groove 201 and the two sides of the back surface of the shell 101 are fixedly connected with the side rail plate 202, a rotating shaft is fixedly connected between the side rail plate 202 and the shell 101, the rotating shaft is rotatably connected with the guide wheels 204, the lower end of the side rail plate 202 and the lower part of the heat dissipation hole groove 201 are fixedly connected with the bottom clamping groove plate 203, the middle part of the bottom clamping groove plate 203 is fixedly connected with the threaded columns 205, the threaded columns 205 are in threaded matching connection with the threaded knobs 206, one side of the threaded knobs 206 close to the bottom clamping groove plate 203 is fixedly connected with the rubber rings 207, the square frame 208 is slidably connected between the side rail plates 202, the bellied installation frame 209 of inboard fixedly connected with of frame 208, the inboard fixedly connected with dust screen 2010 of installation frame 209, the protruding direction of installation frame 209 is the direction of keeping away from the shell 101 back, and the area of the dust screen 2010 of inboard connection is greater than the area of radiating hole groove 201, and the fixed cardboard 2011 of lower extreme middle part fixedly connected with of installation frame 209, the notch has been seted up to the below of fixed cardboard 2011, then fixed cardboard presents the type of invertedly U, the width of notch is greater than the diameter of screw thread post 205, be less than the diameter of screw thread knob 206, when fixed cardboard 2011 moves down, can block on screw thread post 205, later can play the left and right sides fixed to installation frame 209 through screwing screw thread knob 206, when needing to take off installation frame 209, reverse rotation screw thread knob 206, it can to move up installation frame 209 again. This heat dissipation dustproof mechanism 2 sets up the radiating hole groove 201 in great aperture at the shell 101 back, and there is dust screen 2010 at radiating hole groove 201 outside still sliding connection, and this dust screen 2010 is easy to be installed, quick detachable, and it is effectual actually to prevent dust, and the practicality is strong.
The stirring mechanism 3 comprises a motor 301, a fixed frame 302, a driving wheel 303, a driven wheel 304, a transmission belt 305, an auxiliary support frame 306, a stirring shaft 307 and a stirring blade 308, the fixed frame 302 is fixedly installed at the leftmost side of the stirring mechanism 3, the fixed frame 302 inclines towards the right side, the motor 301 is fixedly installed on the shell 101 at the right side of the fixed frame 302, the motor 301 inclines towards the left side, the tail end of a driving shaft of the motor is rotatably connected to the right side of the fixed frame 302, the driving wheel 303 is fixedly sleeved on the driving shaft, the stirring shaft 307 is rotatably connected to the right end of the fixed frame 302, the driven wheel 304 is fixedly sleeved on the stirring shaft 307, the transmission belt 305 is connected between the driving wheel 303 and the driven wheel 304, the auxiliary support frame 306 is fixedly connected to the left side of the dispersion pool 108, an ash accumulation groove is formed in the upper end of the auxiliary support frame 306, debris generated when the driving wheel 205 rotates is prevented from entering the interior of the dispersion pool 108, and the right end of the auxiliary support frame 306 is rotatably connected with the stirring shaft 307, the lower end of the stirring shaft 307 extends into the dispersion tank 108, the stirring shaft 307 is fixedly connected with a stirring blade 308, the stirring shaft 307 and the stirring blade 308 are obliquely arranged, and the stirring blade 308 is large in top and small in bottom. Traditional wet process test sampling device's agitating unit sets up in the dispersion tank top, and the cantilever of motor, (mixing) shaft and connection motor all sets up in the dispersion tank top, because of dispersion tank pool mouth itself is just less, therefore this kind of rabbling mechanism blocks dispersion tank pool mouth easily, is unfavorable for adding dispersant and dispersion medium. The motor 301 of the stirring mechanism 3 is arranged on the left side of the dispersion pool 108, and only some mechanisms such as the stirring shaft 307 and the driven wheel 304 are arranged above the dispersion pool 108, so that the volume of the stirring mechanism is smaller than that of the motor, the stirring shaft and a cantilever connected with the motor, the space above the dispersion pool 108 is increased to a certain extent, a dispersing agent and a dispersing medium are conveniently added, and the stirring mechanism is convenient to fully stir. In addition, by arranging the oblique and conical dispersion tank 108, the oblique stirring shaft 307 and the driven wheel 304, the following advantages can be achieved: firstly, the water amount for testing is saved, after the invention is invented, the volume of the dispersion pool 108 of the conical sample injector is 1/3 of the volume of the original cylindrical sample injector dispersion pool with the same bottom and the same height, and the water capacity of the dispersion pool 108 of the sample injector is 1/6 of the water consumption of the original traditional sample injector because the dispersion pool 108 of the conical sample injector is obliquely arranged and the water capacity inside the dispersion pool is 1/2 of a vertically arranged cone; secondly, the testing time is saved, the inclined arrangement is favorable for sample stirring, and the dispersing agent which can sink to the bottom floats quickly, so that the dispersing agent is mixed more uniformly and fully and more quickly, and the testing time is only 1/3 of the original testing time; thirdly, the blockage rate of the drainage pipeline is greatly reduced, the traditional cylindrical dispersing tank which is vertically arranged is not fully stirred, so that the concentration of the dispersing agent is easily measured to be insufficient, students often continue to add a large amount of dispersing agent into the dispersing tank to reach the corresponding concentration during experiments, so that the drainage pipeline is blocked by excessive dispersing agent, and the dispersing tank 108 can effectively stir and mix the dispersing agent, so that the problem of insufficient concentration of the dispersing agent is avoided, and the blockage rate of the drainage pipeline is reduced; and fourthly, the result can be measured under the condition of a small amount of samples, and the sample injector can perform experiments when the samples are less due to sufficient stirring and low water consumption, so that the result is measured, and the conditions required by the experiments are reduced.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a test sampling system of laser particle analyzer, includes circulation deconcentrator (1), heat dissipation dustproof mechanism (2) and rabbling mechanism (3), its characterized in that: the back surface of the circulating disperser (1) is connected with the front surface of the heat dissipation dustproof mechanism (2), and the upper end of the circulating disperser (1) is connected with the bottom end of the stirring mechanism (3);
circulation deconcentrator (1) comprises shell (101), circulating pump (102), circulation delivery port (103), circulation return water mouth (104), water inlet (105), outlet (106), circulation knob (107) and dispersion tank (108), the outside of circulation deconcentrator (1) is provided with shell (101), the positive left side fixed mounting of shell (101) has circulating pump (102), left shell (101) of circulating pump (102) are from last to lower in proper order fixedly connected with circulation delivery port (103) and circulation return water mouth (104), just shell (101) on the right side of circulating pump (102) are from last to lower in proper order fixedly connected with water inlet (105) and outlet (106), shell (101) are openly right side and are rotated and are connected with circulation knob (107), the left side down, upper left, upper right and lower right position distribution of circulation knob (107) are provided with into water switch (107), and the lower position distribution is provided with into water switch, The ultrasonic dispersion device comprises a stirrer switch, an ultrasonic generator switch and a circulating pump switch, wherein a timing switch and a timing display are arranged on the left side of the upper end of a shell (101), and a dispersion pool (108) is fixedly arranged on the right side of the upper end of the shell (101);
the heat dissipation dustproof mechanism (2) is composed of a heat dissipation hole groove (201), a side sliding rail plate (202), a bottom clamping groove plate (203), a guide wheel (204), a threaded column (205), a threaded knob (206), a rubber ring (207), a frame (208), a mounting frame (209), a dustproof net (2010) and a fixed clamping plate (2011), wherein the heat dissipation hole groove (201) is formed in the back of the shell (101), the side sliding rail plate (202) is fixedly connected to two sides of the heat dissipation hole groove (201) and two sides of the back of the shell (101), a rotating shaft is fixedly connected between the side sliding rail plate (202) and the shell (101), the guide wheel (204) is rotatably connected to the rotating shaft, the bottom clamping groove plate (203) is fixedly connected to the lower end of the side sliding rail plate (202) and is located below the heat dissipation hole groove (201), the threaded column (205) is fixedly connected to the middle of the bottom clamping groove plate (203), a threaded knob (206) is connected to the threaded column (205) in a threaded matching manner, a rubber ring (207) is fixedly connected to one side, close to the bottom clamping groove plate (203), of the threaded knob (206), a square frame (208) is connected between the side sliding rail plates (202) in a sliding manner, a raised installation frame (209) is fixedly connected to the inner side of the frame (208), a dustproof net (2010) is fixedly connected to the inner side of the installation frame (209), and a fixed clamping plate (2011) is fixedly connected to the middle of the lower end of the installation frame (209);
the stirring mechanism (3) consists of a motor (301), a fixed frame (302), a driving wheel (303), a driven wheel (304), a transmission belt (305), an auxiliary supporting frame (306), a stirring shaft (307) and stirring blades (308), wherein the fixed frame (302) is fixedly installed at the leftmost side of the stirring mechanism (3), the fixed frame (302) inclines towards the right side, the motor (301) is fixedly installed on a shell (101) at the right side of the fixed frame (302), the motor (301) inclines towards the left side, the tail end of a driving shaft is rotatably connected to the right side of the fixed frame (302), the driving wheel (303) is fixedly sleeved on the driving shaft, the stirring shaft (307) is rotatably connected at the right end of the fixed frame (302), the driven wheel (304) is fixedly sleeved on the stirring shaft (307), and the transmission belt (305) is connected between the driving wheel (303) and the driven wheel (304), an auxiliary support frame (306) is fixedly connected to the left side of the dispersion pool (108), the right end of the auxiliary support frame (306) is rotatably connected with a stirring shaft (307), the lower tail end of the stirring shaft (307) extends into the dispersion pool (108), and a stirring blade (308) is fixedly connected to the stirring shaft (307);
the dispersing pool (108) is a cone with a large upper part and a small lower part, the dispersing pool is obliquely arranged to the left, the inclination angle of the dispersing pool is 60 degrees and is always consistent with that of the motor (301), a left shell (101) of the dispersing pool (108) is rotatably connected with an upper cover (1081), a long groove is formed in the left side of the upper cover (1081), and the upper end of the upper cover (1081) is rotatably connected with a U-shaped handle (1082); the stirring shaft (307) and the stirring blades (308) are obliquely arranged, and the stirring blades (308) are large in top and small in bottom.
2. The test sample introduction system of the laser particle analyzer according to claim 1, wherein: three water inlet circular mouths are formed in the side face of the interior of the dispersion tank (108), and the three water inlet circular mouths are respectively connected and communicated with the circulating water outlet (103), the circulating water return port (104) and the water inlet (105).
3. The test sample introduction system of the laser particle analyzer according to claim 1, wherein: the stirrer switch is electrically connected with the motor (301), and the circulating pump switch is electrically connected with the circulating pump (102).
4. The test sample introduction system of the laser particle analyzer according to claim 1, wherein: the protruding direction of the mounting frame (209) is the direction far away from the back of the shell (101), and the area of the dustproof net (2010) connected to the inner side is larger than that of the heat dissipation hole groove (201).
5. The test sample introduction system of the laser particle analyzer according to claim 1, wherein: a notch is formed in the lower portion of the fixed clamping plate (2011), the fixed clamping plate is in an inverted U shape, and the width of the notch is larger than the diameter of the threaded column (205) and smaller than the diameter of the threaded knob (206).
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