CN115677011A - Process for treating waste water of chloropyridine insecticide - Google Patents

Process for treating waste water of chloropyridine insecticide Download PDF

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Publication number
CN115677011A
CN115677011A CN202211376672.3A CN202211376672A CN115677011A CN 115677011 A CN115677011 A CN 115677011A CN 202211376672 A CN202211376672 A CN 202211376672A CN 115677011 A CN115677011 A CN 115677011A
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gear
rod
oxidation reaction
wastewater
dechlorination
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CN202211376672.3A
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CN115677011B (en
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王宇峰
田平
张卫明
王衡
薛磊
卓未龙
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Zhejiang Zone King Environmental Sci&tech Co ltd
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Zhejiang Zone King Environmental Sci&tech Co ltd
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Abstract

The invention relates to a treatment process of chloropyridine insecticide wastewater, which comprises the following treatment steps: a. starting a driving system, and activating a water inlet system through the driving system to continuously and intermittently suck the wastewater into a dechlorination reaction cavity in the shell system; b. the dechlorination reaction system and the oxidation reaction system are enabled to circularly move in the cavity through the transmission system; c. dechlorination reaction is carried out in the dechlorination reaction cavity through a dechlorination reaction system; d. the waste water in the dechlorination reaction cavity is sucked into the oxidation reaction cavity through a water passing system; e. continuously and discontinuously sucking sodium persulfate into the oxidation reaction cavity through a feeding system; f. simultaneously, carrying out oxidation reaction in an oxidation reaction cavity through an oxidation reaction system; the function of efficiently treating the wastewater is realized.

Description

Treatment process of chloropyridine insecticide wastewater
Technical Field
The invention relates to the field of wastewater treatment, in particular to a treatment process of chloropyridine pesticide wastewater.
Background
The clopyralid is a systemic conductive hormone herbicide, is absorbed by leaves or roots after being applied to weeds, moves up and down in plants and is quickly transmitted to the whole plants, and the weed control mechanism of the clopyralid is to promote the formation of plant nucleic acid and generate excessive ribonucleic acid, so that the roots grow excessively, stems and leaves grow abnormally, nutrients are consumed, the vascular bundle conduction function is blocked, and the weeds die. The clopyralid belongs to chloropyridine herbicides, and has the advantages of high efficiency, low toxicity and good weeding effect. Strong selectivity and the like. However, according to the EPA report, prolonged exposure to clopyralid-containing environments causes toxicity, affects both the fetus and the bird egg, causes symptoms such as cough and throat pain after human inhalation of clopyralid, causes redness of the skin and redness of the eyes with pain, and may lead to permanent blindness. The wastewater from clopyralid production often contains a large amount of unreacted intermediate products, including tetrachloropicolinic acid carbonitrile, trichloropicolinic acid carbonitrile, tetrachloropicolinic acid, trichloropicolinic acid and other chloropyridine compounds, and has high biological toxicity and high treatment difficulty, so a treatment process capable of efficiently treating chloropyridine insecticide wastewater is needed.
For example, patent No. CN202110940806.9 discloses a system and a method for recovering picloram from wastewater. The system comprises a wastewater storage device, an eluent storage device, an acid liquor storage device, an adsorption device, a wastewater collection device, an picloram collection device, a picloram collection device and a separation device, wherein: the adsorption device is respectively connected with the wastewater storage device, the leacheate storage device, the wastewater collection device and the picloram collection device; the acid liquor storage device and the picloram collecting device are connected with the picloram collecting device; the picloram collecting device is connected with the separating device.
Because the waste water generated by clopyralid often contains a large amount of chloropyridine intermediates which are not completely reacted, if the direct treatment effect is not good enough, the degradation effect on pyridine is not good enough, and the structure can not solve the problem of the intermediates, a process needs to be designed for firstly pretreating the waste water to solve the problem of final degradation of the chloropyridine intermediates and then improving the degradation effect on pyridine.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a treatment process of chloropyridine pesticide wastewater. Provides the function of efficiently degrading the chloropyridine pesticide wastewater.
The technical scheme adopted by the invention for solving the technical problems is as follows: the processing steps comprise:
the processing steps comprise:
a. starting a driving system, and activating a water inlet system through the driving system to continuously and intermittently suck the wastewater into a dechlorination reaction cavity in the shell system;
b. the dechlorination reaction system and the oxidation reaction system are enabled to circularly move in the cavity through the transmission system; transmission system includes first rotary rod, first rotary rod end is equipped with first gear, the meshing of first gear one side is equipped with the second gear, the second gear box is on the second rotary rod, the terminal identical third gear that is equipped with of second rotary rod both sides is terminal fixed, two the meshing of third gear is equipped with identical deflection subassembly, and then concrete transmission step is: when the first rotating rod is driven to rotate, the first gear, the second gear and the third gear of the second rotating rod are sequentially driven to rotate, and finally the position changing assembly moves;
c. dechlorination reaction is carried out in the dechlorination reaction cavity through a dechlorination reaction system; dechlorination reaction system is including setting up a pair of first gag lever post in the dechlorination reaction chamber, portable first L type polar plate that is equipped with on the first gag lever post, it has a plurality of first hole grooves to open on the first L type polar plate, run through in the first hole groove and be equipped with the subassembly that shifts, portable first polar plate that is equipped with in the middle of the first L type polar plate, fixed a pair of the same turbofan that is equipped with in first L type polar plate top both sides, then concrete step is: when the displacement assembly moves, the first L-shaped polar plate is driven to move on the first limiting rod, the first polar plate is driven to move up and down in the first hole groove, and meanwhile, the turbine fan stirs liquid along with the movement of the first L-shaped polar plate;
d. the waste water in the dechlorination reaction cavity is sucked into the oxidation reaction cavity through the water passing system
e. Continuously and discontinuously sucking sodium persulfate into the oxidation reaction cavity through a feeding system;
f. simultaneously, carrying out oxidation reaction in an oxidation reaction cavity through an oxidation reaction system;
each part through actuating system and transmission system activation whole device, behind the activation system, at first inhale the dechlorination reaction chamber through water intake system waste water, carry out dechlorination reaction through dechlorination reaction system, later inhale waste water in the oxidation reaction chamber through crossing the water system, carry out oxidation reaction through oxidation reaction system, inhale sodium persulfate oxidation reaction with higher speed through charge-in system simultaneously, discharge the waste water of handling good through crossing the water system at last, it handles waste water intermediate product to have realized in proper order through dechlorination reaction and oxidation reaction, and improve the efficiency of twice reactions under transmission system's motion, the effect of high-efficient handling waste water has finally been realized.
Concretely, the shell system includes the casing, inside the opening of casing has transmission chamber, dechlorination reaction chamber, oxidation reaction chamber, transmission chamber top is opened has first groove of stepping down, dechlorination reaction chamber one side is opened has first hole of stepping down, oxidation reaction chamber both sides are opened respectively and are stepped down hole of second and third hole of stepping down, transmission chamber top is equipped with first baffle, be equipped with the second baffle between transmission chamber and dechlorination reaction chamber and the oxidation reaction chamber.
Concretely, actuating system includes the motor of portable setting on first baffle, it has the second groove of stepping down to open on the first baffle, the motor can move in the second groove of stepping down, the rotatable third rotary rod that is equipped with of motor one side, third rotary rod end is equipped with the fourth gear, the terminal fixed carriage release lever that is equipped with of third rotary rod, fourth gear one side meshing is equipped with the bevel gear group, the fixed fourth rotary rod that is equipped with in bevel gear group one end, the terminal fixed fifth gear that is equipped with of fourth rotary rod, the meshing of fifth gear one side is equipped with the sixth gear, third rotary rod and second groove of stepping down all incline to set up, the sixth gear with first rotary rod fixed connection.
Specifically, the water inlet system is including setting up the inlet tube on the first hole of stepping down, portable being equipped with first piston and the fixed first baffle that is equipped with in the inlet tube, the fixed first check valve that is equipped with on the first piston, the fixed second check valve that is equipped with on the first baffle, first piston one side links to each other with coupling assembling, coupling assembling links to each other with the subassembly that shifts, coupling assembling include with the stock that first piston links to each other, the stock is equipped with splint, be fixed with the frid on the splint, the frid is rotatable to be established on dechlorination reaction system, and concrete step of intaking is: when the first piston moves inwards along with the displacement assembly, the first one-way valve is closed, the second one-way valve is opened, wastewater is sucked between the first piston and the first baffle in the water inlet pipe through the second one-way valve, when the first piston moves outwards, the first one-way valve is opened, the second one-way valve is closed, and the wastewater is sucked into the dechlorination reaction cavity through the first one-way valve.
Specifically, the subassembly that shifts includes with the seventh gear that third gear engagement set up, the fixed spring rotary rod that is equipped with on the seventh gear, the fixed first frame plate that is equipped with in spring rotary rod upper end, the inside spring fixed rod that is equipped with of spring rotary rod, the spring fixed rod runs through just on the first frame plate, the terminal fixed eighth gear that is equipped with of spring fixed rod, the meshing of eighth gear one side is equipped with the ninth gear, the fixed fifth rotary rod that runs through in first frame plate that is equipped with in ninth gear one side, the fixed second frame plate that is equipped with in fifth rotary rod end, the terminal fixed tenth gear that is equipped with of fifth rotary rod, the meshing of tenth gear one side is equipped with the eleventh gear, the fixed sixth rotary rod that runs through in the second frame plate that is equipped with in eleventh gear one end, the last first connecting rod that runs through of first frame plate and second frame plate, the fixed first connecting plate that is equipped with in sixth rotary rod end, the fixed a pair of first connecting rod that is equipped with in first connecting rod one side is equipped with a pair of first connecting rod, the transmission chamber bottom is equipped with the circular arc platform and is equipped with the meshing of eleventh gear, and concrete motion step is: when the third gear rotates, the seventh gear, the spring rotating rod and the first frame plate are sequentially driven to rotate, the eighth gear is fixed by the spring fixing rod, when the first frame plate rotates around the center, the ninth gear on the first frame plate rotates around the eighth gear in a meshed mode, then the fifth rotating rod, the tenth gear, the eleventh rotating rod and the sixth rotating rod are sequentially driven to rotate, the eleventh gear is meshed with the circular arc table to move, and finally the second connecting rod achieves the effect of front-back, up-down, left-right movement.
Concretely, charge-in system is including setting up the inlet pipe on the second hole of stepping down, portable being equipped with the second piston in the inlet pipe and the fixed second baffle that is equipped with, the fixed third check valve that is equipped with on the first piston, the fixed fourth check valve that is equipped with on the second baffle, the second piston links to each other with the subassembly that shifts, and concrete step of intaking is: when the second piston moves inwards along with the displacement assembly, the third one-way valve is closed, the fourth one-way valve is opened, the sodium persulfate is sucked into the feed pipe between the second piston and the second baffle plate through the fourth one-way valve, when the second piston moves outwards, the third one-way valve is opened, the fourth one-way valve is closed, and the sodium persulfate is sucked into the oxidation reaction cavity through the third one-way valve.
Specifically, the water passing system comprises a drain pipe arranged in the third abdicating hole and a plurality of water passing pipes arranged in the dechlorinating reaction cavity and the oxidation reaction cavity, the drain pipes are controlled by numbers, and the opening and closing time is controlled according to a set program.
Specifically, be equipped with two sets of subassemblies of stepping down on the second baffle, the subassembly of stepping down respectively with the subassembly position that shifts corresponds, the subassembly of stepping down is including moving about and is established first movable plate on the second baffle, first movable plate reciprocates on class and is equipped with the second movable plate, the second connecting rod runs through and locates on the second movable plate.
To sum up, each part of whole device is activated through actuating system and transmission system, after the activation system, at first inhale the waste water through water intake system in the dechlorination reaction chamber, carry out dechlorination reaction through dechlorination reaction system, later inhale the waste water through crossing the water system in the oxidation reaction chamber, carry out oxidation reaction through oxidation reaction system, inhale sodium persulfate through charge-in system simultaneously and accelerate oxidation reaction, discharge the waste water of handling through crossing the water system at last, it has realized handling waste water intermediate product to carry out in proper order through dechlorination reaction and oxidation reaction to improve the efficiency of twice reactions under transmission system's motion, the effect of high-efficient processing waste water has finally been realized.
Specifically, the anode material of the dechlorination reaction system adopts graphite, stainless steel or nickel and alloy, and the cathode material adopts silver. The anode material of the oxidation reaction system adopts a titanium-based ruthenium-iridium electrode (the molar ratio of ruthenium to iridium is 3.
Specifically, the reaction temperature of the dechlorination reaction system is kept at about 55 ℃, the initial pH value is controlled at about 5, the reaction temperature of the oxidation reaction system is kept at about 60 ℃, and the initial pH value is controlled at about 0; the synchronous reaction volume ratio of the sodium persulfate to the wastewater is 1:100.
the invention has the beneficial effects that:
(1) Dechlorination reaction system is including setting up a pair of first gag lever post in the dechlorination reaction chamber, portable first L type polar plate that is equipped with on the first gag lever post, it has a plurality of first hole grooves to open on the first L type polar plate, it is equipped with the subassembly that shifts to run through in the first hole groove, portable first polar plate that is equipped with in the middle of the first L type polar plate, fixed a pair of the same turbofan that is equipped with in first L type polar plate top both sides, structure among the oxidation reaction system with structure among the dechlorination reaction system is identical, and dechlorination reaction system and oxidation reaction system can make first polar plate remove in first L type polar plate inboard to make two remove in whole reaction chamber, make whole reaction liquid fully react, and under the effect of turbofan, can stir whole reaction liquid, have all improved the efficiency of reaction, have realized the function that improves reaction efficiency.
(2) Transmission system includes first rotary rod, first rotary rod end is equipped with first gear, the meshing of first gear one side is equipped with the second gear, the second gear box is on the second rotary rod, the terminal fixed identical third gear that is equipped with in second rotary rod both sides, two the meshing of third gear is equipped with identical subassembly that shifts, and then concrete transmission step is: when first rotary rod is driven to rotate, drive first gear, second rotary rod third gear in proper order and rotate, the subassembly activity that shifts makes at last, the subassembly that shifts include with the seventh gear that third gear engagement set up, the fixed spring rotary rod that is equipped with on the seventh gear, the fixed first frame plate that is equipped with in spring rotary rod upper end, the inside spring fixed rod that is equipped with of spring rotary rod, the spring fixed rod runs through just on the first frame plate, the terminal fixed eighth gear that is equipped with of spring fixed rod, the meshing of eighth gear one side is equipped with the ninth gear, the fixed fifth rotary rod that runs through in first frame plate that is equipped with in ninth gear one side, the fixed second frame plate that is equipped with in fifth rotary rod end, the fixed tenth gear that is equipped with in the meshing of fifth gear one side, the fixed sixth rotary rod that runs through in the second frame plate that is equipped with in first frame plate and the second frame plate, the fixed first connecting rod that is equipped with in sixth rotary rod end, the fixed second connecting rod one side is equipped with a pair of second connecting rod, the fixed drive circle drive reaction chamber is equipped with the dechlorination the reaction system under whole dechlorination reaction system, and the reaction system has carried out through the dechlorination reaction system under the whole high-efficient reaction system.
(3) The inlet system is including setting up the inlet tube on the first hole of stepping down, portable being equipped with first piston and fixed being equipped with first baffle in the inlet tube, the fixed first check valve that is equipped with on the first piston, the fixed second check valve that is equipped with on the first baffle, first piston links to each other with the subassembly that shifts, and feed system is including setting up the inlet pipe on the second hole of stepping down, portable being equipped with the second piston and fixed being equipped with the second baffle in the inlet pipe, fixed being equipped with the third check valve on the first piston, fixed being equipped with the fourth check valve on the second baffle, the second piston links to each other with the subassembly that shifts, and inlet system and feed system all link to each other with the subassembly that shifts, under the activity of the subassembly that shifts, can become the feeding and the water of certain proportion simultaneously, make dechlorination and oxidation's reaction efficiency promote to the biggest, have realized the function that improves reaction rate.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic view of the structure with the top cover removed;
FIG. 6 is an enlarged view of the drive system at A of FIG. 5;
FIG. 7 is a schematic view of the structure with the outer shell removed;
FIG. 8 is an enlarged view of the transmission system at B in FIG. 7;
FIG. 9 is a schematic diagram of a dechlorination system;
fig. 10 is a schematic structural view of the water inlet pipe.
In the figure: 1. a housing; 11. a transmission cavity; 12. a dechlorination reaction cavity; 13. an oxidation reaction cavity; 14. a first abdicating groove; 15. a first abdicating hole; 16. a second abdicating hole; 17. a third abdicating hole; 18. a first separator; 181. a second abdicating groove; 19. a second separator; 21. a motor; 22. a third rotating rod; 23. a fourth gear; 24. a travel bar; 25. a bevel gear set; 26. a fourth rotating rod; 27. a fifth gear; 28. a sixth gear; 31. a first rotating rod; 32. a first gear; 33. a second gear; 34. a second rotating lever; 35. a third gear; 36. a deflection component; 361. a seventh gear; 362. the spring rotates the rod; 363. a first frame plate; 364. a spring fixing rod; 365. an eighth gear; 366. a ninth gear; 367. a fifth rotating lever; 368. a second frame plate; 369. a tenth gear; 3610. an eleventh gear; 3611. a sixth rotating lever; 3612. a first link; 3613. a first connecting plate; 3614. a second link; 3615. an arc table; 4. a water inlet pipe; 41. a first piston; 42. a first baffle plate; 421. a first check valve; 421. a second check valve; 43. a connecting assembly; 431. a long rod; 432. a splint; 433. a groove plate; 51. a first limit rod; 52. a first L-shaped pole plate; 53. a first slot; 54. a first electrode plate; 55. a turbo fan; 6. a feeding pipe; 61. a second piston; 62. a second baffle; 611. a third check valve; 612. a fourth check valve; 71. a drain pipe; 72. a water pipe; 191. a yield component; 1911. a first moving plate; 1912. a second moving plate;
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in figures 1-10, the treatment process of the chloropyridine pesticide wastewater comprises the following treatment steps:
a. starting a driving system, and activating a water inlet system through the driving system to continuously and intermittently suck the wastewater into a dechlorination reaction cavity in the shell system;
b. the dechlorination reaction system and the oxidation reaction system are enabled to circularly move in the cavity through the transmission system;
c. dechlorination reaction is carried out in the dechlorination reaction cavity through a dechlorination reaction system;
d. the waste water in the dechlorination reaction cavity is sucked into the oxidation reaction cavity through a water passing system;
e. continuously and discontinuously sucking sodium persulfate into the oxidation reaction cavity through a feeding system;
f. simultaneously, carrying out oxidation reaction in an oxidation reaction cavity through an oxidation reaction system;
as shown in fig. 1-10, the shell system includes casing 1, casing 1 is inside to be opened there are transmission chamber 11, dechlorination reaction chamber 12, oxidation reaction chamber 13, it has first groove 14 of stepping down to open transmission chamber 11 top, dechlorination reaction chamber 12 one side is opened there is first hole 15 of stepping down, oxidation reaction chamber 13 both sides are opened respectively has second hole 16 and the third hole 17 of stepping down, transmission chamber 11 top is equipped with first baffle 18, be equipped with second baffle 19 between transmission chamber 11 and dechlorination reaction chamber 12 and the oxidation reaction chamber 13.
As shown in fig. 3-6, actuating system includes motor 21 of portable setting on first baffle 18, it has second groove 181 to give way to open on the first baffle 18, motor 21 can move in the second groove 181 of giving way, motor 21 one side is rotatable to be equipped with third rotary rod 22, third rotary rod 22 end is equipped with fourth gear 23, the terminal fixed carriage release lever 24 that is equipped with of third rotary rod 22, the meshing of fourth gear 23 one side is equipped with bevel gear set 25, the fixed fourth rotary rod 26 that is equipped with of bevel gear set 25 one end, the terminal fixed fifth gear 27 that is equipped with of fourth rotary rod 26, the meshing of fifth gear 27 one side is equipped with sixth gear 28, third rotary rod 22 and second groove 181 all incline the setting, sixth gear 28 with first rotary rod 31 fixed connection. When the motor 21 is started, the third rotating rod 22 and the fourth gear 23 are driven to rotate, because the fourth gear 23 is meshed with the bevel gear set 25, the fourth rotating rod 26 and the fifth gear 27 can be driven to rotate, because the fifth gear 27 is meshed with the sixth gear 28, the sixth gear 28 also rotates, when the moving rod 24 is pushed, the bevel gear set 25 and the fourth rotating rod 26 are pushed, because the motor 21 can slide in the second receding groove 181, the fourth gear 23 can be always meshed with the bevel gear set 25, and when the moving rod 24 is pushed, the rotating speed of the sixth gear 28 can be controlled by the position where the fourth gear 23 is meshed with the bevel gear set 25, so that the speed of a subsequent transmission system is changed, and further the moving speeds of a dechlorination reaction system and an oxidation reaction system are changed.
As shown in fig. 3-4 and 7-8, the transmission system includes a first rotating rod 31, a first gear 32 is disposed at a terminal of the first rotating rod 31, a second gear 33 is engaged with one side of the first gear 32, the second gear 33 is sleeved on a second rotating rod 34, identical third gears 35 are fixedly disposed at two terminals of two sides of the second rotating rod 34, identical shift assemblies 36 are engaged with the two third gears 35, and the first rotating rod 31 is connected to the sixth gear 28. When the first rotating rod 31 is driven by the sixth gear 28 to rotate, the first gear 32 is driven to rotate, then the second gear, the second rotating rod 34 and the third gear 35 are driven to rotate, finally the position changing component 36 is driven to move, the third gear 35 and the position changing component 36 are divided into two completely identical groups and are respectively connected with the dechlorination reaction system and the oxidation reaction system, and therefore the dechlorination reaction system and the oxidation reaction system can be simultaneously controlled by one transmission system.
As shown in fig. 3-4 and 7-8, the shift assembly 36 includes a seventh gear 361 engaged with the third gear 35, a spring rotating rod 362 is fixedly disposed on the seventh gear 361, a first frame plate 363 is fixedly disposed at an upper end of the spring rotating rod 362, a spring fixing rod 364 is disposed inside the spring rotating rod 362, the spring fixing rod 364 just passes through the first frame plate 363, an eighth gear 365 is fixedly disposed at a terminal end of the spring fixing rod 364, a ninth gear 366 is engaged at a side of the eighth gear 365, a fifth rotating rod 369 penetrating through the first frame plate 363 is fixedly disposed at a side of the ninth gear 366, a second frame plate 367 is fixedly disposed at a terminal end of the fifth rotating rod 367, a tenth gear 369 is fixedly disposed at a terminal end of the fifth rotating rod 367, an eleventh gear 3610 is engaged at a side of the tenth gear 365, a sixth rotating rod 3611 penetrating through the second frame plate 368 is fixedly disposed at one end of the eleventh gear 3610, a first rotating rod 3612 is disposed at a terminal end of the first frame plate 363 and the second frame plate 3613, and a pair of arc connecting rods 3613 is disposed at a circular arc-shaped platform 3613 engaged with the first connecting rod 3613, and a circular arc-fixing plate 3613. When the third gear 35 rotates, the seventh gear 361, the spring rotating rod 362 and the first frame plate 363 are sequentially driven to rotate, so that the first frame plate 363 rotates around the center, and the second connecting rod 3614 moves back and forth and left and right, because the eighth gear 365 is fixed by the spring fixing rod 364, when the first frame plate 363 rotates around the center, the ninth gear 366 on the first frame plate is meshed and rotates around the eighth gear 365, and then the fifth rotating rod 367, the tenth gear 369, the eleventh gear 3610 and the sixth rotating rod 3611 are sequentially driven to rotate, because of the functions of the spring rotating rod 362 and the spring fixing rod 364, the eleventh gear 3610 is meshed and moves on the circular arc platform 3615, so that the second connecting rod 3614 moves up and down, even if the dechlorination reaction system and the oxidation reaction system connected with the second connecting rod 3614 and the oxidation reaction system synchronously and continuously move back and forth, left and right and up and down, so that dechlorination and oxidation reaction effects are better, and a treatment effect is achieved.
As shown in fig. 3-4, fig. 10, the water inlet system includes the inlet tube 4 that sets up on first hole 15 of stepping down, closely cooperate in the inlet tube 4 and can movably be equipped with first piston 41 and fixed being equipped with first baffle 42, the fixed first check valve 411 that is equipped with on the first piston 41, the fixed second check valve 421 that is equipped with on the first baffle 42, first piston 41 links to each other with second connecting rod 3614 in the subassembly 36 that shifts. When the first piston 41 moves inwards along with the movement of the second connecting rod 3614, the first check valve 411 is closed, the second check valve 421 is opened, the wastewater is sucked between the first piston 41 and the first baffle 42 in the water inlet pipe 4 through the second check valve 421, when the first piston 41 moves outwards, the first check valve 411 is opened, the second check valve 421 is closed, and the wastewater is sucked into the dechlorination reaction chamber 12 through the first check valve 411, so that the function of automatically and continuously sucking the wastewater is realized.
As shown in fig. 3-4 and 9, the dechlorination system includes a pair of first limiting rods 51 disposed in the dechlorination chamber 12, a first L-shaped polar plate 52 is movably disposed on the first limiting rods 51, a plurality of first holes 53 are formed in the first L-shaped polar plate, a second connecting rod 3614 disposed in the displacement assembly 36 is disposed in the first holes 53 in a penetrating manner, a first polar plate 54 is movably disposed in the middle of the first L-shaped polar plate 52, the first polar plate 54 is movably disposed on the second connecting rod 3614, and a pair of identical turbine fans 55 is fixedly disposed on two sides above the first L-shaped polar plate 52. When the second connecting rod 3614 moves, the first L-shaped polar plate 52 is driven to move on the first limiting rod 51, and the first polar plate 54 is driven to move up and down in the first hole groove 53, because the second connecting rod 3614 can move up, down, left, right, front and back, the relative positions of the first polar plate 54 and the first L-shaped polar plate 52 also move up, down, left and right, the first polar plate 54 moves between the first L-shaped polar plates 52, the dechlorination reaction position is filled in the whole dechlorination reaction cavity 12, the wastewater is fully reacted, the dechlorination reaction efficiency is improved, meanwhile, the turbine fan 55 stirs the wastewater along with the movement of the first L-shaped polar plate 52, the wastewater flows at an accelerated speed, and the dechlorination reaction and oxidation reaction efficiencies are improved.
As shown in fig. 1-5, the feeding system includes the inlet pipe 6 disposed on the second abdicating hole 16, the size of the inlet pipe 6 is in a certain proportion with the size of the inlet pipe 4, the proportion is set according to the volume of the consumed waste water in the dechlorination reaction and the consumed ammonium persulfate in the oxidation reaction, the inlet pipe 6 is closely matched with the second piston 61 movably and fixedly disposed with the second baffle 62, the first piston 61 is fixedly disposed with the third check valve 611, the second baffle 62 is fixedly disposed with the fourth check valve 621, and the second piston 61 is connected with the second connecting rod 3614 in the dislocating assembly 36. When the second piston 61 moves inwards along with the movement of the second connecting rod 36, the third one-way valve 611 is closed, the fourth one-way valve 621 is opened, sodium persulfate is sucked between the second piston 61 and the second baffle 62 in the feeding pipe 6 through the fourth one-way valve 621, when the second piston 61 moves outwards, the third one-way valve 611 is opened, the fourth one-way valve 621 is closed, and sodium persulfate is sucked into the oxidation reaction chamber 12 through the third one-way valve 611, so that the function of automatically and continuously sucking sodium persulfate is realized, because the size of the feeding pipe 6 and the size of the water inlet pipe 4 are set to be the volume of consumed wastewater in dechlorination reaction and the volume of consumed ammonium persulfate in oxidation reaction, the best dechlorination reaction and oxidation reaction efficiency can be always maintained, and the wastewater treatment effect is improved.
As shown in fig. 1 to 5, the structure of the oxidation reaction system is completely the same as that of the dechlorination reaction system, and when the dechlorination reaction system moves, the oxidation reaction is performed synchronously under the action of the displacement assembly 36, so that the efficiency of treating the wastewater is improved.
As shown in fig. 1 to 5, the water passing system includes a water discharging pipe 71 disposed in the third avoiding hole 17 and a plurality of water passing pipes 72 disposed in the dechlorination reaction chamber 12 and the oxidation reaction chamber 13, wherein the water discharging pipe 71 is controlled by a digital code, and the opening and closing time is controlled according to a set program.
Specifically, the chloropyridine pesticide wastewater treatment process according to claim 5 is characterized in that: two sets of abdicating assemblies 191 are arranged on the second partition plate 19, the abdicating assemblies 191 correspond to the dislocating assemblies 36 respectively, each abdicating assembly 191 comprises a first moving plate 1911 which can move left and right and is arranged on the second partition plate 19, a second moving plate 1912 is arranged on the first moving plate 1911 in a vertical moving mode, and a second connecting rod 3614 penetrates through the second moving plate 1912. When the second connecting rod 3614 moves, the second moving plate 1912 is driven to move up and down, and the first moving plate 1911 moves left and right, so that the dechlorination reaction chamber 12 and the oxidation reaction chamber 13 are sealed.
Specifically, the anode material of the dechlorination reaction system is graphite, stainless steel or nickel and alloy, and the cathode material is silver. The anode material of the oxidation reaction system adopts a titanium-based ruthenium-iridium electrode (the molar ratio of ruthenium to iridium is 3.
Specifically, the reaction temperature of the dechlorination reaction system is kept at about 55 ℃, the initial pH is controlled at about 5, the reaction temperature of the oxidation reaction system is kept at about 60 ℃, and the initial pH is controlled at about 0; the synchronous reaction volume ratio of the sodium persulfate to the wastewater is 1:100.
when the invention is used, the drive system is firstly startedThe system is used for activating various parts of the whole device through a transmission system; then continuously sucking the wastewater into a dechlorination reaction chamber 12 at intervals through a water inlet system, performing dechlorination reaction through the dechlorination reaction system, dechlorinating chloropyridine compounds by adopting an electrocatalytic reduction dechlorination technology to form free chloride ions, wherein in the reaction, an anode material adopts graphite, stainless steel or nickel and alloy, a cathode material adopts silver, most of the chloride ions fall off to form free chloride ions in water after the reduction reaction lasts for 2 hours, and the dechlorinated pyridine compounds are easier to be oxidized; the wastewater after dechlorination is passed into the oxidation reaction chamber 13 through a water pipe 72; carrying out oxidation reaction by an oxidation reaction system, then carrying out electrocatalytic oxidation, and utilizing chloride ions generated by dechlorination, wherein an anode adopts an acid-resistant and chloride-ion-resistant titanium-based ruthenium-iridium electrode (the molar ratio of ruthenium to iridium is 3; simultaneously, sodium persulfate is continuously and discontinuously sucked in through the feeding system to form a double oxidation system, the oxidative degradation efficiency of pyridine is improved, and the sodium persulfate can generate persulfate ions S in the catalytic system by electricity 2 O 8 2- The standard oxidation-reduction point E0 reaches +2.01V, so that the oxidation capacity can be further enhanced, and the organic matters can be efficiently degraded. After the oxidation reaction lasts for 3 hours, the removal efficiency of COD can reach more than 75 percent; finally, the treated wastewater is discharged through a water passing system.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A chloropyridine pesticide wastewater treatment process is characterized in that: the processing steps comprise: a. starting a driving system, and activating a water inlet system through the driving system to continuously and intermittently suck the wastewater into a dechlorination reaction cavity in the shell system; b. the dechlorination reaction system and the oxidation reaction system are enabled to circularly move in the cavity through the transmission system; transmission system includes first rotary rod (31), first rotary rod (31) end is equipped with first gear (32), the meshing of first gear (32) one side is equipped with second gear (33), second gear (33) cover is on second rotary rod (34), second rotary rod (34) both sides end is fixed and is equipped with identical third gear (35), two third gear (35) meshing is equipped with identical subassembly (36) that shifts, and then concrete transmission step is: when the first rotating rod (31) is driven to rotate, the first gear (32), the second gear (33), the second rotating rod (34) and the third gear (35) are sequentially driven to rotate, and finally the position changing component (36) is enabled to move; c. dechlorination reaction is carried out in the dechlorination reaction cavity through a dechlorination reaction system; dechlorination reaction system is including setting up a pair of first gag lever post (51) in dechlorination reaction chamber (12), portable first L type polar plate (52) of being equipped with on first gag lever post (51), it has a plurality of first hole grooves (53) to open on the first L type polar plate, it is equipped with subassembly (36) that shift to run through in first hole groove (53), portable first polar plate (54) of being equipped with in the middle of first L type polar plate (52), fixed a pair of the same turbofan (55) that is equipped with in first L type polar plate (52) top both sides, then concrete step is: when the displacement assembly (36) moves, the first L-shaped polar plate (52) is driven to move on the first limiting rod (51), the first polar plate (54) is driven to move up and down in the first hole groove (53), and the turbine fan (55) stirs liquid along with the movement of the first L-shaped polar plate (52); d. the waste water in the dechlorination reaction cavity is sucked into the oxidation reaction cavity through a water passing system e, and sodium persulfate is continuously and discontinuously sucked into the oxidation reaction cavity through the feeding system; f. and simultaneously, carrying out oxidation reaction in the oxidation reaction cavity through the oxidation reaction system.
2. The treatment process of the chloropyridine pesticide wastewater as claimed in claim 1, which is characterized in that: the anode material of the dechlorination reaction system adopts graphite, stainless steel or nickel and alloy, and the cathode material adopts silver. The anode material of the oxidation reaction system adopts a titanium-based ruthenium-iridium electrode (the molar ratio of ruthenium to iridium is 3.
3. The treatment process of chlorinated pyridine insecticide wastewater as claimed in claim 1, wherein the treatment process comprises the following steps: the reaction temperature of the dechlorination reaction system is kept at about 55 ℃, the initial PH is controlled at about 5, the reaction temperature of the oxidation reaction system is kept at about 60 ℃, and the initial PH is controlled at about 0; the synchronous reaction volume ratio of the sodium persulfate to the wastewater is 1:100.
4. the treatment process of chlorinated pyridine insecticide wastewater as claimed in claim 1, wherein the treatment process comprises the following steps: the shell system includes casing (1), casing (1) inside division has transmission chamber (11), dechlorination reaction chamber (12), oxidation reaction chamber (13), it has first groove (14) of stepping down to open transmission chamber (11) top, dechlorination reaction chamber (12) one side is opened has first hole (15) of stepping down, oxidation reaction chamber (13) both sides are opened second hole (16) of stepping down and third hole (17) of stepping down respectively, transmission chamber (11) top is equipped with first baffle (18) to be used for isolated transmission chamber (11), be equipped with second baffle (19) between transmission chamber (11) and dechlorination reaction chamber (12) and oxidation reaction chamber (13), be used for isolated transmission chamber (11), dechlorination reaction chamber (12) and oxidation reaction chamber (13), be used for isolated transmission system in transmission chamber (11), dechlorination reaction chamber (12), first groove (14) of stepping down is used for placing second hole (16), third hole (17) of stepping down, drive pipeline (15) are set for dechlorination reaction chamber (13).
5. The treatment process of the chloropyridine pesticide wastewater as claimed in claim 2, which is characterized in that: actuating system includes motor (21) of portable setting on first baffle (18), it has second groove (181) of stepping down to open on first baffle (18), motor (21) can move in second groove (181) of stepping down, motor (21) one side is rotatable to be equipped with third rotary rod (22), third rotary rod (22) end is equipped with fourth gear (23), third rotary rod (22) end is fixed and is equipped with carriage release lever (24), fourth gear (23) one side meshing is equipped with bevel gear set (25), bevel gear set (25) one end is fixed and is equipped with fourth rotary rod (26), fourth rotary rod (26) end is fixed and is equipped with fifth gear (27), fifth gear (27) one side meshing is equipped with sixth gear (28), third rotary rod (22) and second groove (181) of stepping down all incline the setting, sixth gear (28) with first rotary rod (31) fixed connection, then concrete motion step is: when the motor (21) is started, the third rotating rod (22) and the fourth gear (23) are driven to rotate, the bevel gear set (25), the fourth rotating rod (26) and the fifth gear (27) can be driven to rotate because the fourth gear (23) is meshed with the bevel gear set (25), the sixth gear (28) also rotates because the fifth gear (27) is meshed with the sixth gear (28), when the moving rod (24) is pushed, the bevel gear set (25) and the fourth rotating rod (26) are pushed, because the motor (21) can slide in the second abdicating groove (181), the fourth gear (23) can be always meshed with the bevel gear set (25), and when the moving rod (24) is pushed, the rotating speed of the sixth gear (28) can be controlled by the meshing position of the fourth gear (23) and the bevel gear set (25).
6. The treatment process of the chloropyridine pesticide wastewater as claimed in claim 2, which is characterized in that: the water inlet system is including setting up inlet tube (4) on first hole of stepping down (15), portable being equipped with first piston (41) and fixed being equipped with first baffle (42) in inlet tube (4), fixed being equipped with first check valve (411) on first piston (41), fixed being equipped with second check valve (421) on (42) on the first baffle, first piston (41) one side links to each other with coupling assembling (43), coupling assembling (43) link to each other with subassembly (36) that shifts, coupling assembling (43) include with stock (431) that first piston (41) link to each other, stock (431) are equipped with splint (432), be fixed with frid (433) on splint (432), frid (433) are rotatable to be established on dechlorination reaction system, and concrete step of intaking is: when the first piston (41) moves inwards along with the movement of the displacement component (36), the first one-way valve (411) is closed, the second one-way valve (421) is opened, the wastewater is sucked between the first piston (41) in the water inlet pipe (4) and the first baffle (42) through the second one-way valve (421), when the first piston (41) moves outwards, the first one-way valve (411) is opened, the second one-way valve (421) is closed, and the wastewater is sucked into the dechlorination reaction chamber (12) through the first one-way valve (411).
7. The treatment process of the chloropyridine pesticide wastewater as claimed in claim 2, which is characterized in that: the position changing component (36) comprises a seventh gear (361) meshed with the third gear (35), a spring rotating rod (362) is fixedly arranged on the seventh gear (361), a first frame plate (363) is fixedly arranged at the upper end of the spring rotating rod (362), a spring fixing rod (364) is arranged inside the spring rotating rod (362), the spring fixing rod (364) just penetrates through the first frame plate (363), an eighth gear (365) is fixedly arranged at the tail end of the spring fixing rod (364), a ninth gear (366) is meshed with one side of the eighth gear (365), a fifth rotating rod (367) penetrating through the first frame plate (363) is fixedly arranged on one side of the ninth gear (366), a second frame plate (368) is fixedly arranged at the tail end of the fifth rotating rod (367), a tenth gear (367) is fixedly arranged at the tail end of the fifth rotating rod (367), an eleventh gear (3610) is meshed with one side of the tenth gear (369), one end of the eleventh gear (3610) is fixedly arranged at one end of a sixth frame plate (368) penetrating through the second frame plate (368), a pair of first connecting rods (3613) is arranged at the tail end of the first connecting rod (3613), and a pair of first connecting rods (3613) is arranged at the tail end of the first connecting rod (3613), an arc table (3615) is fixedly arranged at the bottom of the transmission cavity (11), the arc table (3615) is meshed with an eleventh gear (3610), and the concrete motion steps are as follows: when the third gear (35) rotates, the seventh gear (361), the spring rotating rod (362) and the first frame plate (363) are sequentially driven to rotate, the eighth gear (365) is fixed by the spring fixing rod (364) and does not move, when the first frame plate (363) rotates around the center, the ninth gear (366) on the first frame plate rotates around the eighth gear (365) in a meshed mode, then the fifth rotating rod (367), the tenth gear (369), the eleventh gear (3610) and the sixth rotating rod (3611) are sequentially driven to rotate, the eleventh gear (3610) is enabled to move in a meshed mode on the arc table (3615), and finally the second connecting rod (3614) achieves the effect of moving front, back, up, down, left and right.
8. The treatment process of the chloropyridine pesticide wastewater as claimed in claim 1, which is characterized in that: feed system is including setting up inlet pipe (6) on second hole (16) of stepping down, portable second piston (61) and the fixed second baffle (62) that is equipped with in inlet pipe (6), fixed third check valve (611) that is equipped with on first piston (61), fixed fourth check valve (621) that is equipped with on the second baffle (62), second piston (61) link to each other with displacement assembly (36), and the step of specifically intaking is: when the second piston (61) moves inwards along with the displacement assembly (36), the third one-way valve (611) is closed, the fourth one-way valve (621) is opened, sodium persulfate is sucked between the second piston (61) and the second baffle (62) in the feeding pipe (6) through the fourth one-way valve (621), when the second piston (61) moves outwards, the third one-way valve (611) is opened, the fourth one-way valve (621) is closed, and the sodium persulfate is sucked into the oxidation reaction chamber (12) through the third one-way valve (611).
9. The treatment process of chlorinated pyridine insecticide wastewater as claimed in claim 1, wherein the treatment process comprises the following steps: the water passing system comprises a drain pipe (71) arranged in the third abdicating hole (17) and a plurality of water passing pipes (72) arranged in the dechlorination reaction cavity (12) and the oxidation reaction cavity (13), wherein the drain pipe (71) is controlled by a digital code, the opening and closing time is controlled according to a set program, the drain pipe (71) is used for discharging waste water, and the water passing pipes (72) are used for passing the waste water.
10. The treatment process of chloropyridine insecticide wastewater as claimed in claim 5, wherein the treatment process comprises the following steps: be equipped with two sets of subassemblies of stepping down (191) on second baffle (19), subassembly (191) of stepping down respectively with the subassembly (36) position that shifts corresponds, it establishes to move about including moving about subassembly (191) of stepping down first movable plate (1911) on second baffle (19), first movable plate (1911) reciprocates on class and is equipped with second movable plate (1912), second connecting rod (3614) run through and locate on second movable plate (1912), when subassembly (36) that shifts move and drive first movable plate (1911) and second movable plate (1912) and move, can keep the airtight of second baffle (19) always.
CN202211376672.3A 2022-11-04 2022-11-04 Process for treating chloropyridine pesticide wastewater Active CN115677011B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB763011A (en) * 1954-05-13 1956-12-05 Bailey Benge Crowe Improvements in or relating to gearing
CN106915802A (en) * 2017-04-12 2017-07-04 哈尔滨工业大学 The integral type electrochemical reaction appts and processing method of organic wastewater with difficult degradation thereby treatment
CN109987789A (en) * 2019-03-27 2019-07-09 中国科学院大学 Output water modularized processing device is adopted in a kind of more gas conjunctions of coal measures containing organic pollutant
CN114604952A (en) * 2022-02-08 2022-06-10 沈冬冬 Intelligent control medical wastewater treatment system
WO2022120695A1 (en) * 2020-12-10 2022-06-16 唐山圣因海洋科技有限公司 Recycling device for cathodic protection waste of harbor quay, and method therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB763011A (en) * 1954-05-13 1956-12-05 Bailey Benge Crowe Improvements in or relating to gearing
CN106915802A (en) * 2017-04-12 2017-07-04 哈尔滨工业大学 The integral type electrochemical reaction appts and processing method of organic wastewater with difficult degradation thereby treatment
CN109987789A (en) * 2019-03-27 2019-07-09 中国科学院大学 Output water modularized processing device is adopted in a kind of more gas conjunctions of coal measures containing organic pollutant
WO2022120695A1 (en) * 2020-12-10 2022-06-16 唐山圣因海洋科技有限公司 Recycling device for cathodic protection waste of harbor quay, and method therefor
CN114604952A (en) * 2022-02-08 2022-06-10 沈冬冬 Intelligent control medical wastewater treatment system

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