CN110441489B - Domestic wastewater heavy metal detection device and working method - Google Patents

Domestic wastewater heavy metal detection device and working method Download PDF

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Publication number
CN110441489B
CN110441489B CN201910783825.8A CN201910783825A CN110441489B CN 110441489 B CN110441489 B CN 110441489B CN 201910783825 A CN201910783825 A CN 201910783825A CN 110441489 B CN110441489 B CN 110441489B
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rod
water
cavity
drives
shaft lever
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CN110441489A (en
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杨帅
何孝磊
程新
罗书亮
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Anhui Huameng Testing Technology Co ltd
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Anhui Huameng Testing Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/286Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38Diluting, dispersing or mixing samples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • G01N33/1813Water specific cations in water, e.g. heavy metals

Abstract

The invention discloses a device for detecting heavy metals in domestic wastewater and a working method thereof. According to the invention, the piston rod at the output end of the telescopic cylinder is contracted, the telescopic rod is simultaneously driven to contract, and then the bottom of the water pumping cylinder is inserted into water to be detected, through the matched arrangement of the telescopic cylinder and the telescopic rod, the detection device is ensured to be convenient to move, and meanwhile, the water pumping cylinder can be inserted into the water to be detected to pump water during detection, so that the technical problem that the domestic wastewater cannot be directly pumped by the wastewater detection device in the prior art is solved.

Description

Domestic wastewater heavy metal detection device and working method
Technical Field
The invention relates to the technical field of wastewater detection, in particular to a domestic wastewater heavy metal detection device and a working method.
Background
Domestic wastewater refers to washing water discharged in daily life of residents. Only a small part of the wastewater is treated, and most of the wastewater is directly discharged into rivers and the like without being treated. Smaller cities are more serious. The domestic wastewater contains a large amount of sludge, heavy metals and the like.
Patent document (201721282437.4) discloses a common metal and heavy metal content detection device in waste water, the device passes through the telescopic link, a supporting seat, rotate the setting of wheel and water sample collection cup, make people can not directly contact waste water and gain the water sample, there is certain guarantee to people's healthy, can make the water sample of taking rotate through the setting of rotating seat and fixing base, through the second slide rail, the second slide rail seat, connect the roof, the setting of spud pile and test probe, make the water sample that just goes can obtain instant measuring. But this detection device can't directly extract domestic waste water, and this detection device is the heavy metal content in the direct detection waste water simultaneously, nevertheless the accuracy that detects is influenced easily to silt and other impurity that exist in the waste water.
Disclosure of Invention
The invention aims to provide a device for detecting heavy metals in domestic wastewater and a working method, and solves the following technical problems: (1) the piston rod at the output end of the telescopic cylinder contracts to drive the telescopic rod to contract simultaneously, so that the bottom of the water pumping cylinder is inserted into water to be detected, and through the matched arrangement of the telescopic cylinder and the telescopic rod, the water pumping cylinder can be inserted into the water to be detected to pump water during detection while the detection device is ensured to move conveniently, so that the technical problem that the domestic wastewater cannot be directly pumped by the wastewater detection device in the prior art is solved; (2) through the design of matching two meshing gears, the second motor drives the first shaft lever and the second shaft lever to rotate simultaneously, the two stirring blades stir domestic wastewater simultaneously, the stirring effect of the wastewater is increased, large mud lumps and sand lumps existing in the wastewater are smashed, the channel steel frame drives the hanging bracket to vibrate through an external part, the hanging bracket drives the lantern ring to vibrate up and down through the connecting rod, the lantern ring drives the second spring on the surface to deform through the second movable rod, the supporting frame drives the upper supporting plate, the upper supporting plate drives the first movable rod at the bottom to move up and down, the first spring on the surface of the first movable rod deforms, when the first spring downwards extrudes the lower supporting plate, the spring column and the hydraulic rod are matched to support the lower supporting plate, through the design, the firmness of the installation of the filter cavity is ensured while the vibration of the filter cavity is ensured, and the blockage is effectively prevented from occurring in the process of filtering the silt through the filter screen through the vibration of the filter cavity, the technical problem that in the prior art, the detection of the wastewater is easily influenced by too much silt in the wastewater is solved; (3) through the cooperation design of first motor, lead screw, slide bar, need not artificially to put into with test probe and wait to detect the aquatic, have certain convenience, stimulate the mounting panel, prolong the first slide rail direction in bottom with the mounting panel and pull out, rotate the swivel nut, swivel nut cooperation screw rod shifts out the mounting panel with the screw rod, and it is inconvenient to solve fixed and the dismantlement of test probe among the prior art in the testing process, needs the artificial technical problem who holds test probe simultaneously.
The purpose of the invention can be realized by the following technical scheme:
a device for detecting heavy metals in domestic wastewater comprises a base, wherein a rack and a supporting seat are mounted at the top of the base, a water tank is mounted at the bottom of the rack, the water tank is of an open-top structure, a first motor is mounted on one side of the top of the rack, a lead screw is sleeved at the end part of an output shaft of the first motor and penetrates through a connecting plate in a rotating mode, two ends of the connecting plate penetrate through sliding rods in a sliding mode, first sliding rails are mounted on two sides of the upper end face of the connecting plate, and top sliding blocks of the two first sliding rails are respectively fixedly connected with two sides of the bottom of a mounting plate;
four spring columns are installed at the bottom of the inner cavity of the supporting seat, the tops of the spring columns are fixedly connected with the lower end face of the lower supporting plate, the middle position of the lower end face of the lower supporting plate is connected with the top of a hydraulic rod, the hydraulic rod is installed at the bottom of the inner cavity of the supporting seat, first movable rods penetrate through the lower supporting plate in a movable mode near four corners, and the first movable rods are fixedly connected with the lower end face of the upper supporting plate;
the upper end surface of the upper supporting plate is provided with supporting frames at positions close to four corners, a second movable rod movably penetrates through the top of the supporting frame, the second movable rod movably penetrates through the top of the supporting frame, a lantern ring is arranged at the top of the second movable rod, a connecting rod is arranged in the lantern ring, two sides of the connecting rod are connected with the inner wall of a hanging bracket, an external part is arranged at the top of the hanging bracket, the external part is fixedly connected with the side wall of a steel frame, and a filter cavity is arranged on the steel frame;
the filter chamber inner chamber rotates and is provided with first axostylus axostyle, second axostylus axostyle, first axostylus axostyle, second axostylus axostyle run through filter chamber lateral wall and tip and have all cup jointed the gear, and two gear engagement connect, the intake antrum is installed at the filter chamber top, just the filter screen is installed to filter chamber inner chamber bottom, baffle frame is installed at the intake antrum top, baffle frame top is rotated and is installed the support, install the third motor on the support, third motor output shaft connects the reduction gear input shaft, reduction gear output shaft end connection has the third axostylus axostyle, third axostylus axostyle outer peripheral face cover is equipped with helical fan blade, helical fan blade sets up in the section of thick bamboo inner chamber that draws water.
Further, a first spring is sleeved on the outer peripheral surface of the first movable rod and arranged between the lower supporting plate and the upper supporting plate; and the peripheral surface of the second movable rod is sleeved with a second spring, and the second spring is arranged below the top of the support frame.
Furthermore, universal wheels are installed at positions, close to four corners, of the bottom of the base, and two ends of the sliding rod and two ends of the screw rod are installed on the rack through bearing seats.
Furthermore, a water outlet pipe is connected to the bottom wall of one side of the filter cavity, and one end, far away from the filter cavity, of the water outlet pipe penetrates through the inner cavity of the water tank.
Further, draw water a section of thick bamboo outer wall bottom articulated telescopic cylinder piston rod top, telescopic cylinder installs in the base top, just telescopic cylinder both sides all are provided with the rod cover, the rod cover is installed in the base top, just the rod cover inner wall is provided with the telescopic link, the telescopic link top is rotated and is connected the pumping cylinder outer wall, the fixed extension board both sides that run through of rod cover, extension board fixed mounting is in telescopic cylinder top.
Furthermore, a plurality of grooves are formed in the peripheral surface of the third shaft rod, and activated carbon is filled at the bottoms of the inner walls of the grooves.
Further, the threaded sleeve is rotatably installed at the middle position of the upper end face of the installation plate, the threaded sleeve is rotatably sleeved on the outer peripheral face of the screw rod, the screw rod penetrates through the installation plate, and the detection probe is installed at the bottom of the screw rod.
Furthermore, the first shaft lever and the second shaft lever are arranged on the same horizontal plane, and stirring blades are arranged on the outer peripheral surfaces of the first shaft lever and the second shaft lever.
Furthermore, the end, far away from the gear, of the first shaft rod penetrates through the side wall of the filter cavity and is sleeved with a first belt pulley, the end, far away from the filter cavity, of the channel steel frame is provided with a second motor, the end part of an output shaft of the second motor is sleeved with a second belt pulley, and the first belt pulley and the second belt pulley are connected through belt transmission.
Further, the working method of the domestic wastewater heavy metal detection device comprises the following steps:
the method comprises the following steps: the base is pushed, the water pumping cylinder is pushed to the position above the water surface to be detected, a piston rod at the output end of the telescopic cylinder contracts and simultaneously drives the telescopic rod to contract, the bottom of the water pumping cylinder is inserted into the water to be detected, a third motor output shaft drives a speed reducer input shaft to rotate, a speed reducer output shaft drives a third shaft rod to rotate, the third shaft rod drives the spiral fan blades to rotate, the spiral fan blades pump the water to be detected to an inner cavity of the water pumping cylinder, activated carbon in a groove in the surface of the third shaft rod adsorbs impurities in the water to be detected, and meanwhile, the spiral fan blades pump the water to be detected to an inlet cavity;
step two: the second motor output shaft drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through a belt, the second belt pulley drives the first shaft rod to rotate, the first shaft rod drives the second shaft rod to rotate through gear meshing transmission, the first shaft rod and the second shaft rod rotate to drive stirring blades on the surface to stir water to be detected entering the inner cavity of the water inlet cavity, the water pumping cylinder pumps water and the inner cavity of the filter cavity stirs to drive the channel steel frame to vibrate up and down, the channel steel frame drives the hanging bracket to vibrate through an external part, the hanging bracket drives the lantern ring to vibrate up and down through a connecting rod, the lantern ring drives the second spring on the surface to deform through the second movable rod, meanwhile, the support frame drives the upper support plate, the upper support plate drives the first movable rod at the bottom to move up and down, the first spring on the surface of the first movable rod deforms, and when the first spring downwards extrudes the lower support plate, the spring column and the hydraulic rod are matched with each other to support the lower support plate;
step three: wait to detect among the filter chamber vibration process and wait that water leads to filter behind the filter screen and get into the outlet pipe, and then get into the water tank through the outlet pipe in, first motor output shaft drives the lead screw and rotates, and the slide bar of lead screw cooperation both sides drives the connecting plate and descends, and the connecting plate drives the first slide rail decline on surface, and first slide rail drives the mounting panel and descends, and the mounting panel passes through the test probe decline removal of screw rod drive bottom, and test probe falls to waiting to detect aquatic heavy metal in to the waste water in the water tank and detects.
The invention has the beneficial effects that:
(1) the invention relates to a device for detecting heavy metal in domestic wastewater and a working method, wherein a base is pushed to push a water pumping cylinder to the position above a water surface to be detected, the detection device is convenient to move to a wastewater detection position through the arrangement of universal wheels at the bottom of the base, a piston rod at the output end of a telescopic cylinder contracts and simultaneously drives a telescopic rod to contract, so that the bottom of the water pumping cylinder is inserted into the water to be detected, the water pumping cylinder can be inserted into the water to be detected to pump water during detection through the matched arrangement of the telescopic cylinder and the telescopic rod, the water to be detected is pumped into an inner cavity of the water pumping cylinder by a spiral fan blade, a third motor output shaft drives a speed reducer input shaft to rotate, a third shaft rod is driven by a speed reducer output shaft to rotate, the third shaft rod drives the spiral fan blade to rotate, the spiral fan blade pumps the water to be detected into the inner cavity of the water pumping cylinder, and activated carbon in a groove on the surface of the third shaft adsorbs impurities in the water to be detected, through the arrangement of the grooves on the surface of the third shaft rod and the placement of the activated carbon, impurities in the wastewater are adsorbed while the domestic wastewater is extracted, so that the accuracy of the subsequent detection of heavy metals in the domestic wastewater is effectively improved;
(2) the first belt pulley is driven to rotate by the output shaft of the second motor, the second belt pulley is driven to rotate by a belt, the first belt pulley drives the first shaft rod to rotate, the first shaft rod drives the second shaft rod to rotate by gear meshing transmission, the first shaft rod and the second shaft rod rotate to drive stirring blades on the surface to stir water to be detected entering the inner cavity of the water inlet cavity, the water pumping cylinder pumps water and the inner cavity of the filter cavity stirs to drive the channel steel frame to vibrate up and down, through the matching design of two meshing gears, the second motor drives the first shaft rod and the second shaft rod to rotate simultaneously, the two stirring blades stir domestic wastewater simultaneously, the stirring effect of the wastewater is increased, large mud lumps and sand lumps existing in the wastewater are smashed, the channel steel frame drives the hanging frame to vibrate through an external piece, the hanging frame drives the lantern ring to vibrate up and down through a connecting rod, and the lantern ring drives the second spring on the surface to deform through the second movable rod, meanwhile, the support frame drives the upper support plate, the upper support plate drives the first movable rod at the bottom to move up and down, the first spring on the surface of the first movable rod deforms, when the first spring downwards extrudes the lower support plate, the spring column and the hydraulic rod are matched with and support the lower support plate, through the design, the firmness of installation of the filter cavity is ensured while certain amplitude vibration of the filter cavity is ensured, the filter screen is effectively prevented from being blocked in the process of filtering silt through the vibration of the filter cavity, and certain practicability is achieved;
(3) treat and examine the water and lead to and enter the outlet pipe after filtering silt through the filter screen, and then get into the water tank through the outlet pipe, first motor output shaft drives the lead screw and rotates, the slide bar of lead screw cooperation both sides drives the connecting plate and descends, the first slide rail on connecting plate drive surface descends, first slide rail drives the mounting panel and descends, the mounting panel passes through the probe decline removal of screw rod drive bottom, through first motor, the lead screw, the cooperation design of slide bar, need not the manual work and put into the probe that detects and wait to detect aquatic, certain convenience has, the pulling mounting panel, prolong the first slide rail direction in bottom and pull out the mounting panel, rotate the swivel nut, swivel nut cooperation screw rod shifts out the mounting panel with the screw rod, through this design, make things convenient for probe's fixed and dismantlement.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a domestic wastewater heavy metal detection device of the invention;
FIG. 2 is a connection view of the mounting plate and first slide rail of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 4 is a view of the filter chamber and channel frame of the present invention in connection;
FIG. 5 is a view of the support and hanger of the present invention in connection;
FIG. 6 is a view of the internal structure of a filter chamber according to the present invention;
FIG. 7 is a view of the internal structure of the pumping cylinder of the present invention;
FIG. 8 is a view showing the connection of the telescopic cylinder and the telescopic rod according to the present invention;
fig. 9 is an internal structure view of the arm-brace of the present invention.
In the figure: 1. a base; 2. a frame; 3. a support seat; 4. a water tank; 5. a first motor; 6. a slide bar; 7. a lead screw; 8. a connecting plate; 9. a first slide rail; 10. mounting a plate; 11. a threaded sleeve; 12. a screw; 13. detecting a probe; 14. a lower support plate; 15. a spring post; 16. a hydraulic lever; 17. a first movable bar; 171. a first spring; 18. an upper support plate; 19. a support frame; 191. a second movable bar; 192. a second spring; 20. a collar; 201. a connecting rod; 21. a hanger; 22. an external connector; 23. a channel steel frame; 24. a filter chamber; 25. a second motor; 251. a first pulley; 26. a water inlet cavity; 27. a first shaft lever; 271. a second pulley; 28. a second shaft lever; 281. a stirring fan blade; 29. filtering with a screen; 30. a baffle frame; 31. a support; 32. a third motor; 33. a speed reducer; 34. a third shaft lever; 35. a helical fan blade; 36. a groove; 37. activated carbon; 38. a water pumping cylinder; 39. a telescopic rod; 391. a rod sleeve; 40. a support plate; 41. a telescopic cylinder; 42. and (5) discharging a water pipe.
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. 1-9, the invention relates to a device for detecting heavy metals in domestic wastewater, which comprises a base 1, wherein a rack 2 and a supporting seat 3 are installed at the top of the base 1, a water tank 4 is installed at the bottom of the rack 2, the water tank 4 is of an open-top structure, a first motor 5 is installed at one side of the top of the rack 2, a lead screw 7 is sleeved at the end part of an output shaft of the first motor 5, the lead screw 7 rotatably penetrates through a connecting plate 8, two ends of the connecting plate 8 slidably penetrate through a sliding rod 6, first sliding rails 9 are installed at two sides of the upper end face of the connecting plate 8, and sliding blocks at the tops of the two first sliding rails 9 are respectively and fixedly connected with two sides of the bottom of an installation plate 10;
four spring columns 15 are installed at the bottom of an inner cavity of the supporting seat 3, the tops of the spring columns 15 are fixedly connected with the lower end face of the lower supporting plate 14, the middle position of the lower end face of the lower supporting plate 14 is connected with the top of a hydraulic rod 16, the hydraulic rod 16 is installed at the bottom of the inner cavity of the supporting seat 3, first movable rods 17 penetrate through the lower supporting plate 14 in a movable mode at positions close to four corners, and the first movable rods 17 are fixedly connected with the lower end face of the upper supporting plate 18;
the upper end surface of the upper supporting plate 18 is provided with supporting frames 19 close to four corners, a second movable rod 191 movably penetrates through the top of the supporting frame 19, the second movable rod 191 movably penetrates through the top of the supporting frame 19, a sleeve ring 20 is arranged at the top of the second movable rod 191, a connecting rod 201 is arranged in the sleeve ring 20, two sides of the connecting rod 201 are connected with the inner wall of a hanging bracket 21, the top of the hanging bracket 21 is provided with an external connecting piece 22, the external connecting piece 22 is fixedly connected with the side wall of a channel steel frame 23, and the channel steel frame 23 is provided with a filter cavity 24;
filter cavity 24 inner chamber and rotate and be provided with first axostylus axostyle 27, second axostylus axostyle 28, first axostylus axostyle 27, second axostylus axostyle 28 runs through 24 lateral walls of filter cavity and tip and has all cup jointed the gear, two gear engagement connect, intake antrum 26 is installed at filter cavity 24 top, and filter screen 29 is installed to filter cavity 24 inner chamber bottom, baffle frame 30 is installed at intake antrum 26 top, baffle frame 30 top is rotated and is installed support 31, install third motor 32 on the support 31, third motor 32 output shaft connects reduction gear 33 input shaft, reduction gear 33 output shaft end connection has third axostylus axostyle 34, 34 outer peripheral face cover of third axostylus axostyle is equipped with helical fan blade 35, helical fan blade 35 sets up in the 38 inner chambers of pumping barrel.
Specifically, a first spring 171 is sleeved on the outer peripheral surface of the first movable rod 17, and the first spring 171 is arranged between the lower support plate 14 and the upper support plate 18; the outer peripheral surface of the second movable rod 191 is sleeved with a second spring 192, and the second spring 192 is arranged below the top of the support frame 19. Universal wheels are installed at the bottom of the base 1 close to the four corners, and two ends of the sliding rod 6 and two ends of the lead screw 7 are installed on the rack 2 through bearing seats. The bottom wall of one side of the filter cavity 24 is connected with a water outlet pipe 42, and one end of the water outlet pipe 42, which is far away from the filter cavity 24, penetrates into the inner cavity of the water tank 4. Draw water a barrel 38 outer wall bottom articulated telescopic cylinder 41 piston rod top, telescopic cylinder 41 installs in base 1 top, and telescopic cylinder 41 both sides all are provided with rod cover 391, and rod cover 391 installs in base 1 top, and the rod cover 391 inner wall is provided with telescopic link 39, and telescopic link 39 top is rotated and is connected the outer wall of a barrel 38 that draws water, and rod cover 391 is fixed to run through the extension board 40 both sides, and extension board 40 fixed mounting is in telescopic cylinder 41 top. A plurality of grooves 36 are formed on the outer peripheral surface of the third shaft rod 34, and activated carbon 37 is filled at the bottom of the inner wall of each groove 36. The threaded sleeve 11 is rotatably installed in the middle of the upper end face of the installation plate 10, the threaded sleeve 11 is rotatably sleeved on the outer peripheral face of the screw 12, the screw 12 penetrates through the installation plate 10, and the bottom of the screw 12 is provided with the detection probe 13. The first shaft lever 27 and the second shaft lever 28 are disposed on the same horizontal plane, and the stirring blades 281 are mounted on the outer peripheral surfaces of the first shaft lever 27 and the second shaft lever 28. One end, far away from the gear, of the first shaft rod 27 penetrates through the side wall of the filter cavity 24 and is sleeved with a first belt pulley 251, one end, far away from the filter cavity 24, of the channel steel frame 23 is provided with a second motor 25, the end part of an output shaft of the second motor 25 is sleeved with a second belt pulley 271, and the first belt pulley 251 and the second belt pulley 271 are connected through belt transmission. The detection probe 13 is a detection probe of a heavy metal detector HMA-TCR of a Hash water quality heavy metal on-line analysis instrument.
A working method of a domestic wastewater heavy metal detection device comprises the following steps:
the method comprises the following steps: the base 1 is pushed, the water pumping cylinder 38 is pushed to the position above the water surface to be detected, the piston rod at the output end of the telescopic cylinder 41 contracts and simultaneously drives the telescopic rod 39 to contract, the bottom of the water pumping cylinder 38 is inserted into the water to be detected, the output shaft of the third motor 32 drives the input shaft of the speed reducer 33 to rotate, the output shaft of the speed reducer 33 drives the third shaft rod 34 to rotate, the third shaft rod 34 drives the helical fan blades 35 to rotate, the helical fan blades 35 pump the water to be detected to the inner cavity of the water pumping cylinder 38, the activated carbon 37 in the groove 36 on the surface of the third shaft rod 34 adsorbs impurities in the water to be detected, and simultaneously the helical fan blades 35 pump the water to be detected to the water inlet cavity 26;
step two: the output shaft of the second motor 25 drives the first belt pulley 251 to rotate, the first belt pulley 251 drives the second belt pulley 271 to rotate through a belt, the second belt pulley 271 drives the first shaft lever 27 to rotate, the first shaft lever 27 drives the second shaft lever 28 to rotate through gear meshing transmission, the first shaft lever 27 and the second shaft lever 28 rotate to drive the stirring fan 281 on the surface to stir the water to be detected entering the inner cavity of the water inlet cavity 26, the water pumping cylinder 38 pumps water and the inner cavity stirring of the filter cavity 24 drives the channel steel frame 23 to vibrate up and down, the channel steel frame 23 drives the hanger 21 to vibrate through the external piece 22, the hanger 21 drives the lantern ring 20 to vibrate up and down through the connecting rod 201, the lantern ring 20 drives the second spring 192 on the surface to deform through the second movable rod 191, meanwhile, the support frame 19 drives the upper support plate 18, the upper support plate 18 drives the first movable rod 17 at the bottom to move up and down, and the first spring 171 on the surface of the first movable rod 17 deforms, when the first spring 171 presses the lower support plate 14 downward, the spring column 15 and the hydraulic rod 16 support the lower support plate 14 in a matching manner;
step three: wait to detect water and pass through filter screen 29 and filter behind the silt and enter outlet pipe 42 in the vibration process of filter chamber 24, and then enter water tank 4 through outlet pipe 42, first motor 5 output shaft drives lead screw 7 and rotates, the slide bar 6 of lead screw 7 cooperation both sides drives connecting plate 8 and descends, connecting plate 8 drives the first slide rail 9 decline on surface, first slide rail 9 drives mounting panel 10 and descends, mounting panel 10 drives the 13 descending movements of test probe of bottom through screw rod 12, test probe 13 falls to waiting to detect in the water tank 4 aquatic and detects heavy metal in the waste water.
Referring to fig. 1-9, the working process of the domestic wastewater heavy metal detection apparatus of the present embodiment is as follows:
the method comprises the following steps: the base 1 is pushed, the water pumping cylinder 38 is pushed to the position above the water surface to be detected, the piston rod at the output end of the telescopic cylinder 41 contracts and simultaneously drives the telescopic rod 39 to contract, the bottom of the water pumping cylinder 38 is inserted into the water to be detected, the output shaft of the third motor 32 drives the input shaft of the speed reducer 33 to rotate, the output shaft of the speed reducer 33 drives the third shaft rod 34 to rotate, the third shaft rod 34 drives the helical fan blades 35 to rotate, the helical fan blades 35 pump the water to be detected to the inner cavity of the water pumping cylinder 38, the activated carbon 37 in the groove 36 on the surface of the third shaft rod 34 adsorbs impurities in the water to be detected, and simultaneously the helical fan blades 35 pump the water to be detected to the water inlet cavity 26;
step two: the output shaft of the second motor 25 drives the first belt pulley 251 to rotate, the first belt pulley 251 drives the second belt pulley 271 to rotate through a belt, the second belt pulley 271 drives the first shaft lever 27 to rotate, the first shaft lever 27 drives the second shaft lever 28 to rotate through gear meshing transmission, the first shaft lever 27 and the second shaft lever 28 rotate to drive the stirring fan 281 on the surface to stir the water to be detected entering the inner cavity of the water inlet cavity 26, the water pumping cylinder 38 pumps water and the inner cavity stirring of the filter cavity 24 drives the channel steel frame 23 to vibrate up and down, the channel steel frame 23 drives the hanger 21 to vibrate through the external piece 22, the hanger 21 drives the lantern ring 20 to vibrate up and down through the connecting rod 201, the lantern ring 20 drives the second spring 192 on the surface to deform through the second movable rod 191, meanwhile, the support frame 19 drives the upper support plate 18, the upper support plate 18 drives the first movable rod 17 at the bottom to move up and down, and the first spring 171 on the surface of the first movable rod 17 deforms, when the first spring 171 presses the lower support plate 14 downward, the spring column 15 and the hydraulic rod 16 support the lower support plate 14 in a matching manner;
step three: wait to detect water and pass through filter screen 29 and filter behind the silt and enter outlet pipe 42 in 24 vibration processes of filter chamber, and then get into in the water tank 4 through outlet pipe 42, first motor 5 output shaft drives lead screw 7 and rotates, the slide bar 6 of lead screw 7 cooperation both sides drives connecting plate 8 and descends, connecting plate 8 drives the first slide rail 9 decline on surface, first slide rail 9 drives mounting panel 10 and descends, mounting panel 10 drives the test probe 13 decline removal of bottom through screw rod 12, test probe 13 descends to waiting to detect aquatic and detects heavy metal in the waste water in the water tank 4, can learn the heavy metal content in the waste water through hash quality of water heavy metal online analytical instrument HMA-TCR.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

Claims (2)

1. The domestic wastewater heavy metal detection device is characterized by comprising a base (1), wherein a rack (2) and a support seat (3) are mounted at the top of the base (1), a water tank (4) is mounted at the bottom of the rack (2), the water tank (4) is of an open-top structure, a first motor (5) is mounted on one side of the top of the rack (2), a lead screw (7) is sleeved at the end part of an output shaft of the first motor (5), the lead screw (7) rotatably penetrates through a connecting plate (8), two ends of the connecting plate (8) slidably penetrate through a sliding rod (6), first sliding rails (9) are mounted on two sides of the upper end face of the connecting plate (8), and top sliding blocks of the two first sliding rails (9) are respectively and fixedly connected with two sides of the bottom of a mounting plate (10);
four spring columns (15) are mounted at the bottom of an inner cavity of the supporting seat (3), the tops of the spring columns (15) are fixedly connected with the lower end face of a lower supporting plate (14), the middle position of the lower end face of the lower supporting plate (14) is connected with the top of a hydraulic rod (16), the hydraulic rod (16) is mounted at the bottom of the inner cavity of the supporting seat (3), first movable rods (17) penetrate through the positions, close to four corners, of the lower supporting plate (14) in a movable mode, and the first movable rods (17) are fixedly connected with the lower end face of an upper supporting plate (18);
the upper end surface of the upper supporting plate (18) is provided with supporting frames (19) at positions close to four corners, the top of each supporting frame (19) is movably penetrated with a second movable rod (191), each second movable rod (191) movably penetrates through the top of each supporting frame (19), the top of each second movable rod (191) is provided with a lantern ring (20), each lantern ring (20) is internally provided with a connecting rod (201), two sides of each connecting rod (201) are connected with the inner wall of a hanging bracket (21), the top of each hanging bracket (21) is provided with an external connecting piece (22), the external connecting piece (22) is fixedly connected with the side wall of a channel steel frame (23), and the channel steel frame (23) is provided with a filter chamber (24);
a first shaft lever (27) and a second shaft lever (28) are rotatably arranged in the inner cavity of the filter cavity (24), the first shaft lever (27) and the second shaft lever (28) penetrate through the side wall of the filter cavity (24), gears are sleeved at the end parts of the first shaft lever and the second shaft lever, the two gears are meshed and connected, the top of the filter cavity (24) is provided with a water inlet cavity (26), a filter screen (29) is arranged at the bottom of the inner cavity of the filter cavity (24), a baffle plate frame (30) is arranged at the top of the water inlet cavity (26), the top of the baffle frame (30) is rotatably provided with a bracket (31), the bracket (31) is provided with a third motor (32), the output shaft of the third motor (32) is connected with the input shaft of a speed reducer (33), the end part of the output shaft of the speed reducer (33) is connected with a third shaft lever (34), the outer peripheral surface of the third shaft lever (34) is sleeved with spiral fan blades (35), and the spiral fan blades (35) are arranged in the inner cavity of the water pumping cylinder (38);
a first spring (171) is sleeved on the outer peripheral surface of the first movable rod (17), and the first spring (171) is arranged between the lower supporting plate (14) and the upper supporting plate (18); a second spring (192) is sleeved on the outer peripheral surface of the second movable rod (191), and the second spring (192) is arranged below the top of the support frame (19);
universal wheels are mounted at the positions, close to the four corners, of the bottom of the base (1), and two ends of the sliding rod (6) and the lead screw (7) are mounted on the rack (2) through bearing seats;
a water outlet pipe (42) is connected to the bottom wall of one side of the filtering cavity (24), and one end, far away from the filtering cavity (24), of the water outlet pipe (42) penetrates into the inner cavity of the water tank (4);
the bottom of the outer wall of the water pumping barrel (38) is hinged to the top of a piston rod of a telescopic cylinder (41), the telescopic cylinder (41) is installed at the top of the base (1), rod sleeves (391) are arranged on two sides of the telescopic cylinder (41), the rod sleeves (391) are installed at the top of the base (1), a telescopic rod (39) is arranged on the inner wall of each rod sleeve (391), the top of each telescopic rod (39) is rotatably connected with the outer wall of the water pumping barrel (38), the rod sleeves (391) fixedly penetrate through two sides of a support plate (40), and the support plate (40) is fixedly installed at the top of the telescopic cylinder (41);
a plurality of grooves (36) are formed in the outer peripheral surface of the third shaft lever (34), and activated carbon (37) is filled at the bottom of the inner wall of each groove (36);
a threaded sleeve (11) is rotatably mounted in the middle of the upper end face of the mounting plate (10), the threaded sleeve (11) is rotatably sleeved on the outer peripheral face of the screw rod (12), the screw rod (12) penetrates through the mounting plate (10), and a detection probe (13) is mounted at the bottom of the screw rod (12);
the first shaft lever (27) and the second shaft lever (28) are arranged on the same horizontal plane, and stirring blades (281) are arranged on the outer peripheral surfaces of the first shaft lever (27) and the second shaft lever (28);
one end, far away from the gear, of the first shaft rod (27) penetrates through the side wall of the filter cavity (24) and is sleeved with a first belt pulley (251), one end, far away from the filter cavity (24), of the channel steel frame (23) is provided with a second motor (25), the end part of an output shaft of the second motor (25) is sleeved with a second belt pulley (271), and the first belt pulley (251) and the second belt pulley (271) are connected through belt transmission.
2. The working method of the domestic wastewater heavy metal detection device according to claim 1, characterized by comprising the following steps:
the method comprises the following steps: the water detection device comprises a base (1) and a water pumping cylinder (38), wherein the water pumping cylinder (38) is pushed to the position above a water surface to be detected, an output end piston rod of a telescopic cylinder (41) is contracted, a telescopic rod (39) is simultaneously driven to contract, the bottom of the water pumping cylinder (38) is inserted into water to be detected, an output shaft of a third motor (32) drives an input shaft of a speed reducer (33) to rotate, an output shaft of the speed reducer (33) drives a third shaft lever (34) to rotate, the third shaft lever (34) drives a helical fan blade (35) to rotate, the helical fan blade (35) extracts the water to be detected into an inner cavity of the water pumping cylinder (38), activated carbon (37) in a surface groove (36) of the third shaft lever (34) adsorbs impurities in the water to be detected, and the helical fan blade (35) extracts the water to be detected into a water inlet cavity (26);
step two: the output shaft of the second motor (25) drives the first belt pulley (251) to rotate, the first belt pulley (251) drives the second belt pulley (271) to rotate through a belt, the second belt pulley (271) drives the first shaft lever (27) to rotate, the first shaft lever (27) drives the second shaft lever (28) to rotate through gear engagement transmission, the first shaft lever (27), the second shaft lever (28) rotates to drive the stirring fan blades (281) on the surface to stir the water to be detected entering the inner cavity of the water inlet cavity (26), the water pumping cylinder (38) pumps water and the inner cavity of the filter cavity (24) stirs to drive the channel steel frame (23) to vibrate up and down, the channel steel frame (23) drives the hanging bracket (21) to vibrate up and down through the external connecting piece (22), the hanging bracket (21) drives the lantern ring (20) to vibrate up and down through the connecting rod (201), the lantern ring (20) drives the second spring (192) on the surface to deform through the second movable rod (191), meanwhile, the support frame (19) drives the upper support plate (18), the upper support plate (18) drives the first movable rod (17) at the bottom to move up and down, the first spring (171) on the surface of the first movable rod (17) deforms, and when the first spring (171) downwards extrudes the lower support plate (14), the spring column (15) and the hydraulic rod (16) are matched to support the lower support plate (14);
step three: filter chamber (24) vibration in-process and wait to detect water and pass through and get into outlet pipe (42) behind filter silt through filter screen (29), and then get into water tank (4) through outlet pipe (42), first motor (5) output shaft drives lead screw (7) and rotates, slide bar (6) of lead screw (7) cooperation both sides drive connecting plate (8) decline, connecting plate (8) drive first slide rail (9) decline on surface, first slide rail (9) drive mounting panel (10) decline, mounting panel (10) drive test probe (13) descending movement of bottom through screw rod (12), test probe (13) fall to wait to detect heavy metal in the aquatic to waste water in water tank (4).
CN201910783825.8A 2019-08-23 2019-08-23 Domestic wastewater heavy metal detection device and working method Active CN110441489B (en)

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