CN110702693B - Printing and dyeing wastewater detection device and detection method thereof - Google Patents
Printing and dyeing wastewater detection device and detection method thereof Download PDFInfo
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- CN110702693B CN110702693B CN201911025690.5A CN201911025690A CN110702693B CN 110702693 B CN110702693 B CN 110702693B CN 201911025690 A CN201911025690 A CN 201911025690A CN 110702693 B CN110702693 B CN 110702693B
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- 239000002351 wastewater Substances 0.000 title claims abstract description 114
- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 238000004043 dyeing Methods 0.000 title claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 87
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 91
- 238000003756 stirring Methods 0.000 claims description 46
- 238000007689 inspection Methods 0.000 claims description 26
- 239000012535 impurity Substances 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 abstract description 19
- 239000011550 stock solution Substances 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000001727 in vivo Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 210000004209 hair Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optical Measuring Cells (AREA)
Abstract
The invention discloses printing and dyeing wastewater detection equipment and a detection method thereof, relates to the technical field of wastewater monitoring, and aims to solve the problem that printing and dyeing wastewater is easy to stain on the surfaces of a light source and a light sensing element to influence the wastewater detection accuracy. Its technical scheme main points are, including cleaning device including the clearance motor, the stock solution box, injection pipe and clearance brush, single chip microcomputer control clearance motor makes the output shaft reciprocating rotation of motor, the motor output shaft drives the clearance brush and cleans the transparent plate, the output shaft of motor drives the push rod and slides from top to bottom in the injection pipe when reciprocating the rotation simultaneously, and then with the liquid suction injection pipe in the stock solution box, send into the brush of clearance brush in vivo again, the clearance brush is when cleaning the transparent plate, liquid in the stock solution box spouts supplementary clearance brush and cleans on the transparent plate. Make the light that passes waste water that the light source sent of receipt that photosensitive receiver can be accurate when carrying out waste water detection, and can not sheltered from by the incrustation scale, promote the accuracy that waste water transmittance detected.
Description
Technical Field
The invention relates to the technical field of printing and dyeing wastewater monitoring, in particular to a printing and dyeing wastewater detection device and a detection method thereof.
Background
The waste water from printing and dyeing is the waste water from cotton, hemp, chemical fiber and their blended products, silk, etc. The types and the processing techniques of the fibers are different, and the water quantity and the water quality of the printing and dyeing wastewater are also different. Wherein the amount of the wastewater in the printing and dyeing mill is large, 100-200 t of water is consumed for every 1t of textile processed by printing and dyeing, and 80-90% of the wastewater is discharged. The printing and dyeing wastewater has the characteristics of large water quantity, high organic pollutant content, large alkalinity, large water quality change and the like, belongs to one of industrial wastewater difficult to treat, and contains dye, slurry, auxiliary agent, oil agent, acid and alkali, fiber impurities, sand substances, inorganic salt and the like.
The Chinese patent with publication number CN104034702A discloses a detection box for detecting the transmittance of printing and dyeing wastewater, which comprises a box body, a sedimentation device and a light detection device for detecting the transmittance of supernatant of the printing and dyeing wastewater, wherein the box body is provided with an input end for connecting a printing and dyeing wastewater sampling water inlet pipe, a first output end for connecting a printing and dyeing wastewater sampling water outlet pipe and a second output end for discharging sediment; the sedimentation device and the light detection device are both positioned in the box body; the detection box can directly detect the light transmission capability of the printing and dyeing wastewater entering the detection box, and the signal with the measured light intensity is used as an available control signal to express and separate the clarity of the supernatant, and is used for replacing human eyes to observe whether the printing and dyeing wastewater is sufficiently flocculated.
However, in the actual detection, the printing and dyeing wastewater is easy to stain on the surfaces of the light source and the light sensing element, which causes double reduction of transmittance and light sensing capability, the detection box is not very good in detection accuracy and stability, and after the detection box is used for a period of time, stains on the surfaces of the light source and the light sensing element are not cleaned for a long time, are accumulated too much, and are easy to scale, which is also a problem difficult to solve.
Disclosure of Invention
The invention aims to provide a printing and dyeing wastewater detection device and a detection method thereof.
The invention aims at: the printing and dyeing wastewater detection device has the effects of cleaning the surface stains of the light source and the light sensing element and improving the transmittance detection accuracy of wastewater;
the second purpose of the invention is that: the detection method for the printing and dyeing wastewater detection device has the effect of improving the detection accuracy of the transmittance of the wastewater.
The above object of the present invention is achieved by the following technical solutions:
a printing and dyeing wastewater detection device comprises a machine body, wherein a partition plate is arranged in the machine body in the vertical direction and divides the machine body into a pretreatment cavity and a detection cavity; the top of the pretreatment cavity is provided with a water inlet, and a stirring mechanism for uniformly stirring the wastewater in the pretreatment cavity is arranged in the pretreatment cavity;
a water inlet pipeline is arranged in the inspection cavity along the vertical direction, the bottom of the water inlet pipeline is communicated with a water outlet pipeline arranged along the horizontal direction, and two ends of the water outlet pipeline are communicated; the detection device is arranged in the detection cavity and comprises a light source and a photosensitive receiver which are oppositely arranged, the light source and the photosensitive receiver are distributed along the horizontal direction, the photosensitive receiver is connected with a single chip microcomputer, the output end of the single chip microcomputer is electrically connected with the light source, and the light source, the water outlet pipeline and the photosensitive receiver are sequentially distributed along a horizontal line and have gaps;
the light source and the photosensitive receiver are provided with transparent plates at opposite ends, cleaning devices are arranged at positions, corresponding to the two transparent plates, on the inner side wall of the inspection cavity, and each cleaning device comprises a cleaning motor and a cleaning brush, the single-chip microcomputer is connected with the cleaning motor through a cleaning motor controller, the two cleaning brushes are respectively arranged at opposite ends of the two transparent plates and are abutted against the transparent plates, one end of each cleaning brush in the length direction is connected with a rotating rod arranged in the horizontal direction, the cleaning brushes and the rotating rods are integrally L-shaped, and an output shaft of the cleaning motor is in transmission connection with the rotating rods;
be connected with the pipeline that draws water between preliminary treatment chamber and the inspection chamber, be connected with miniature pump on the pipeline that draws water, miniature pump is connected with the output of singlechip, the pipeline one end that draws water stretches into the preliminary treatment intracavity, and the other end is connected with the inlet channel in inspection chamber.
Through adopting above-mentioned technical scheme, waste water is after the rabbling mechanism stirring, single chip microcomputer control lets in the inlet channel of waste water suction inspection intracavity of micro water pump with the preliminary treatment intracavity, then it launches light to flow out single chip microcomputer control light source in the outlet conduit, light is accepted by photosensitive receiver after passing the outlet conduit, photosensitive receiver turns into the light signal of accepting and passes the singlechip back to, the feedback is handled, the output shaft reciprocating rotation of interval one-chip microcomputer control clearance motor, motor output shaft drives the clearance brush and cleans the transparent plate, make the transparent plate keep clean, make photosensitive receiver can be accurate when carrying out waste water detection receive the light that passes waste water that the light source sent, and can not sheltered from by the incrustation scale, promote the accuracy that waste water light transmittance detected.
The invention is further configured to: evenly be provided with the worm wheel along its circumference on the dwang, the output shaft of clearance motor has the worm, the worm sets up and meshes with the worm wheel along vertical direction.
Through adopting above-mentioned technical scheme, the connected mode of turbine and worm improves transmission efficiency for the clearance brush can clean the transparent plate totally, promotes photosensitive receiver and is difficult for sheltering from by the incrustation scale, promotes the accuracy that the waste water transmittance detected.
The invention is further configured to: the cleaning device further comprises a liquid storage box and an injection tube, a first one-way valve in the flow direction from the liquid storage box to the injection tube is connected between one end of the injection tube and the liquid storage box, a second one-way valve in the flow direction from the injection tube to the cleaning brush is connected between one end of the injection tube connected with the liquid storage box and the cleaning brush, the cleaning brush comprises a brush body and brush bristles, the brush bristles are located at one end, close to the transparent plate, of the brush body, the brush body is hollow, and a liquid outlet is formed in one end, close to the transparent plate, of the brush body; a push rod for pushing liquid in the injection tube is arranged at one end of the injection tube, which is far away from the first one-way valve; the end of the worm, far away from the cleaning motor, is fixedly connected with a screw rod, the screw rod is in threaded connection with a drive plate, and the end, far away from the screw rod, of the drive plate is fixedly connected with the end, far away from the injection tube, of the push rod.
Through adopting above-mentioned technical scheme, when the drive plate moves down, the push rod through first check valve in from the stock solution box with liquid suction injection tube, when motor reversal drive plate rebound, the push rod sends into the brush through the second check valve with the liquid in the injection tube in, spouts on the transparent plate, supplementary brush hair cleans the transparent plate totally, promotes photosensitive receiver and is difficult for sheltering from by the incrustation scale, promotes the accuracy that waste water light transmittance detected.
The invention is further configured to: the liquid outlet is equipped with a plurality ofly and sets up along brush body length direction.
Through adopting above-mentioned technical scheme, the setting up of a plurality of liquid outlets promotes the coverage of liquid to the transparent plate for the cleaning brush cleans the transparent plate cleaner, and then promotes the accuracy that the waste water transmittance detected.
The invention is further configured to: rabbling mechanism includes agitator motor and puddler, agitator motor passes through machine controller and is connected with the singlechip output, agitator motor's output shaft has the puddler that sets up along vertical direction, be equipped with a plurality of agitators, every along its length direction on the puddler the agitator includes a plurality of stirring fan blades that set up along puddler circumference.
Through adopting above-mentioned technical scheme, the waste water of preliminary treatment intracavity is convenient for slowly stir in setting up of multilayer agitator and stirring fan blade, prevents the muddy impurity in the waste water and deposits, promotes the accuracy that waste water transmittance detected.
The invention is further configured to: be equipped with the filter screen of large aperture on the water inlet, water inlet threaded connection has the inlet liquor pipeline, the filter screen is located between inlet liquor pipeline and the water inlet.
By adopting the technical scheme, the large-aperture filter screen is arranged to filter the impurities and the floating objects with larger volume in the wastewater, so that the influence of the impurities and the floating objects with larger volume on the detection result is reduced, and the phenomenon that the pipeline is blocked by the wastewater can be reduced; the liquid inlet pipeline and the water inlet are detachably connected through threads, so that the filter screen is convenient to clean.
The invention is further configured to: the bottom of the pretreatment cavity is sunken downwards to form a temporary storage cavity, the bottom of the temporary storage cavity is connected with a temporary storage pipeline, and one end of the temporary storage pipeline, which is far away from the temporary storage cavity, is provided with a water valve; one end of the water pumping pipeline extending into the pretreatment cavity is arranged along the vertical direction, and the end part of the water pumping pipeline is not contacted with the bottom of the pretreatment cavity.
Through adopting above-mentioned technical scheme, the setting of the chamber of keeping in can keep in some waste water that detect, is convenient for go on reinspecting, promotes the accuracy that waste water transmittance detected.
The invention is further configured to: the inspection cavity is internally provided with two air inlet pipes along the vertical direction, the air inlets of the two air inlet pipes are connected with an air compressor, and the air outlets of the two air inlet pipes face to one ends, close to the water outlet pipeline, of the two transparent plates respectively.
Through adopting above-mentioned technical scheme, the setting of intake pipe can be blown the transparent plate, blows off the spot that is infected with on the transparent plate for the transparent plate keeps clean, promotes the accuracy that the waste water transmittance detected.
The invention is further configured to: and an electric air valve is arranged between the two air inlet and air compressor and is connected with the output end of the singlechip.
By adopting the technical scheme and the arrangement of the electric air valve, the singlechip can control the two air inlet pipes to synchronously blow and stop through the electric air valve.
The second aim of the invention is realized by the following technical scheme:
the detection method applied to the printing and dyeing wastewater detection device comprises the following steps:
s1, introducing the wastewater into the pretreatment cavity through a liquid inlet pipeline, filtering the wastewater entering the pretreatment cavity through a filter screen, and filtering impurities and floating objects with larger volume in the wastewater; the singlechip controls the stirring mechanism to slowly stir the filtered wastewater, so as to prevent turbid impurities in the wastewater from precipitating;
s2, the micro water pump is controlled by the single chip microcomputer to pump the wastewater in the pretreatment cavity into the water inlet pipeline in the inspection cavity, and then the wastewater flows out of the water outlet pipeline;
s3, the singlechip controls the light source to emit light, the light is received by the photosensitive receiver after passing through the water outlet pipeline, the photosensitive receiver converts the received light signal into an electric signal and transmits the electric signal back to the singlechip, and the electric signal is processed by the singlechip and displayed on a display on the machine body;
s4: the singlechip controls the electric air valve to blow air to the transparent plate through the air inlet pipe, so that stains on the transparent plate are blown off, and the transparent plate is kept clean;
s5: every interval, single chip microcomputer control clearance motor makes the output shaft reciprocating rotation of clearance motor, and clearance motor output shaft drives the clearance brush and cleans the transparent plate, and the output shaft of clearance motor drives the push rod and slides from top to bottom in the injection syringe when reciprocating rotation simultaneously, and then with the liquid suction injection syringe in the stock solution box, send into the brush of clearance brush again internal, the clearance brush is when cleaning the transparent plate, and liquid in the stock solution box spouts supplementary clearance brush on the transparent plate and cleans.
Through adopting above-mentioned technical scheme, can carry out the preliminary treatment back to waste water, testing the accuracy that improves the detection, use cleaning device simultaneously for the transparent plate keeps clean, and then makes the light that passes waste water that the light source sent that receives that photosensitive receiver can be accurate when carrying out waste water detection, and can not sheltered from by the incrustation scale, promotes the accuracy that waste water transmittance detected.
In conclusion, the beneficial technical effects of the invention are as follows:
1. through the arrangement of the cleaning device, the transparent plate is kept clean, so that the photosensitive receiver can accurately receive light which is emitted by the light source and penetrates through the wastewater when the wastewater is detected, the light cannot be shielded by scale, and the accuracy of the transmittance detection of the wastewater is improved;
2. through the arrangement of the stirring mechanism, the arrangement of the multilayer stirrer and the stirring fan blades is convenient for slowly stirring the wastewater in the pretreatment cavity, turbid impurities in the wastewater are prevented from precipitating, and the accuracy of the transmittance detection of the wastewater is improved;
3. through the setting of intake pipe and electric air valve, can blow to the transparent plate, blow away the spot that is infected with on the transparent plate for the transparent plate keeps clean, further promotes the accuracy that the waste water transmittance detected.
Drawings
FIG. 1 is a schematic structural diagram for showing an overall structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram for showing the internal structure of the machine body according to the first embodiment of the invention;
FIG. 3 is a schematic structural diagram of a cleaning apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic view of a cleaning brush according to an embodiment of the present invention;
FIG. 5 is an exploded view of the syringe and ram connection shown in accordance with one embodiment of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 1;
FIG. 7 is a schematic structural diagram of a detecting device according to an embodiment of the present invention;
fig. 8 is a schematic block diagram of the circuit of the present invention.
In the figure, 1, a machine body; 11. a partition plate; 12. an air compressor; 121. an air inlet pipe; 122. an electric air valve; 13. a display; 14. a water inlet; 15. a filter screen; 16. a liquid inlet pipeline; 17. a water discharge pipeline; 2. a pretreatment chamber; 21. a stirring mechanism; 22. a stirring motor; 23. a stirring rod; 24. a stirrer; 241. a stirring fan blade; 25. a water pumping pipeline; 26. a micro water pump; 27. a temporary storage cavity; 28. temporarily storing a pipeline; 281. a water valve; 3. an inspection chamber; 31. a water inlet pipe; 32. a water outlet pipeline; 33. a detection device; 331. a light source; 332. a photosensitive receiver; 333. a transparent plate; 34. a protective cover; 4. a cleaning device; 41. cleaning the motor; 411. a worm; 412. a screw; 413. a drive plate; 42. cleaning a brush; 421. a brush body; 422. brushing; 423. a liquid outlet; 424. rotating the rod; 425. a worm gear; 43. a liquid storage box; 44. an injection tube; 441. a first check valve; 442. a second one-way valve; 443. a push rod; 444. a piston; 5. a single chip microcomputer; 51. a motor driver.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, the printing and dyeing wastewater detection device disclosed by the invention comprises a machine body 1, a stirring device, a detection device 33 and a cleaning device 4. The machine body 1 is hollow inside and is provided with a partition board 11 along the vertical direction, and the partition board 11 separates the interior of the machine body 1 into a pretreatment cavity 2 and a detection cavity 3. Rabbling mechanism 21 is located preliminary treatment chamber 2, slowly stirs the waste water that gets into preliminary treatment chamber 2 with the external world, prevents that the muddy impurity in the waste water from deposiing, influences the precision of follow-up detection. The detection device 33 and the cleaning device 4 are both positioned in the inspection chamber 3, and the cleaning device 4 is used for keeping the detection device 33 clean, so that the detection accuracy is ensured.
Refer to fig. 2 and fig. 6, water inlet 14 has been seted up at 2 tops in preliminary treatment chamber, 14 threaded connection of water inlet has inlet channel 16, be used for letting in external waste water in preliminary treatment chamber 2, be equipped with large aperture's filter screen 15 between water inlet 14 and the inlet channel 16, large aperture's filter screen 15 be located water inlet 14 top and with inlet channel 16's tip butt, filter the impurity and the floater of great volume in the waste water, reduce the influence of these impurity and floater of great volume to the testing result, can reduce the phenomenon that waste water blockked up the pipeline simultaneously.
Referring to fig. 2 and 8, the stirring mechanism 21 includes a stirring motor 22 and a stirring rod 23, the stirring motor 22 is located at the top of the machine body 1, a single chip microcomputer 5 for controlling components is arranged on the machine body 1, and an output end of the single chip microcomputer 5 is connected with the stirring motor 22 through a motor controller. The output shaft of the stirring motor 22 extends into the pretreatment chamber 2 and is connected with the stirring rod 23. Puddler 23 sets up along vertical direction, be equipped with a plurality of agitators 24 along its length direction on the puddler 23, every agitator 24 includes a plurality of stirring fan blades 241 that set up along puddler 23 circumference, in this embodiment, be equipped with six agitators 24 along its length direction on the puddler 23, every agitator 24 includes seven stirring fan blades 241 that set up along puddler 23 circumference, the setting of a plurality of agitators 24, can be more abundant with the waste water stirring in the preliminary treatment chamber 2, make follow-up detection process more accurate.
Referring to fig. 2 and 8, a water inlet pipe 31 is arranged in the inspection chamber 3 along the vertical direction, the top of the water inlet pipe 31 extends out of the inspection chamber 3, the bottom of the water inlet pipe 31 is communicated with a water outlet pipe 32 arranged along the horizontal direction, two ends of the water outlet pipe 32 are communicated, and the water inlet pipe 31 and the water outlet pipe 32 are integrally in a T shape. Be connected with between preliminary treatment chamber 2 and the inspection chamber 3 and draw water pipeline 25, be connected with micro pump 26 on the pipeline 25 that draws water, micro pump 26 is connected with singlechip 5's output, draw water pipeline 25 one end stretch into in preliminary treatment chamber 2 and press close to 2 inside walls in preliminary treatment chamber not with rabbling mechanism 21 contact, the other end is connected with the inlet channel 31 in inspection chamber 3, singlechip 5 control micro pump 26 is through drawing water pipeline 25 with in the inlet channel 31 in preliminary treatment chamber 2 through the waste water suction of stirring, flow through outlet conduit 32.
Referring to fig. 2, cavity 27 is kept in to 2 bottom undercut formation in preliminary treatment chamber, and the cavity 27 bottom of keeping in is connected with the pipeline 28 of keeping in, and the one end of keeping in pipeline 28 and keeping away from the cavity 27 of keeping in is equipped with water valve 281, and the one end that draws water pipeline 25 stretched into in 2 preliminary treatment chamber sets up and the tip does not contact with 2 bottoms in preliminary treatment chamber, and the setting of the cavity 27 of keeping in can the waste water of some detections of keeping in temporarily, is convenient for go on reinspecting, promotes the accuracy that the waste water transmittance detected.
Referring to fig. 1 and 7, the detecting device 33 includes a light source 331 and a light sensitive receiver 332 disposed opposite to each other, and the light source 331 and the light sensitive receiver 332 are distributed along the horizontal direction and are located on two inner side walls facing each other along the horizontal direction in the inspection chamber 3. The photosensitive receiver 332 is connected with the input end of the single chip microcomputer 5, the output end of the single chip microcomputer 5 is electrically connected with the light source 331, the water outlet pipeline 32 and the photosensitive receiver 332 are sequentially distributed along a horizontal line, gaps exist among the light source 331, wastewater flows out of the water outlet pipeline 32, the single chip microcomputer 5 controls the light source 331 to emit light, the light is received by the photosensitive receiver 332 after passing through the water outlet pipeline 32, the photosensitive receiver 332 converts received light signals into electric signals, and the electric signals are transmitted back to the single chip microcomputer 5 to be processed and fed back. The outer side wall of the machine body 1 is provided with a display 13, and the single chip microcomputer 5 displays the processed data on the display 13, so that an operator can conveniently observe the record. The bottom of the inspection cavity 3 is communicated with a drainage pipeline 17, so that wastewater in the inspection cavity 3 is synchronously discharged, the wastewater is continuously detected conveniently, and the detection result is more accurate.
Referring to fig. 2 and 7, the light source 331 and the light sensitive receiver 332 are covered with a protective cover 34 to reduce the damage of the light source 331 and the light sensitive receiver 332 caused by the waste water flowing out of the water outlet pipe 32. The protective cover 34 at the opposite end of the light source 331 and the photosensitive receiver 332 is provided with a transparent plate 333, and in this embodiment, the transparent plate 333 is made of transparent organic glass, so that the light source 331 and the photosensitive receiver 332 are protected, and the normal operation of the light source 331 and the photosensitive receiver 332 is not hindered. Two air inlet pipes 121 are arranged in the inspection cavity 3 along the vertical direction, air inlets of the two air inlet pipes 121 are connected with the air compressor 12, air outlets of the two air inlet pipes 121 face one ends, close to the water outlet pipeline 32, of the two transparent plates 333 respectively, in the embodiment, the two air inlet pipes 121 are made of stainless steel materials, and are not prone to deformation and corrosion. An electric air valve 122 is arranged between the two air inlet pipes 121 and the air compressor 12, the electric air valve 122 is connected with the output end of the single chip microcomputer 5, and the single chip microcomputer 5 can control the two air inlet pipes 121 to synchronously blow air and stop through the electric air valve 122.
Referring to fig. 3 and 4, the cleaning device 4 includes a cleaning motor 41 and a cleaning brush 42, the output end of the single chip microcomputer 5 is connected with the cleaning motor 41 through a motor controller, the cleaning motor 41 is located on the top of the protection cover 34, and the output shaft of the cleaning motor 41 is arranged along the vertical direction. Cleaning brush 42 is close to transparent plate 333 one end and transparent plate 333 butt, and cleaning brush 42 includes brush 421 and brush hair 422, and brush hair 422 is located the one end of brush 421 and transparent plate 333 butt, and a plurality of liquid outlets 423 have been seted up to the inside cavity of brush 421 and the one end with transparent plate 333 butt, and a plurality of liquid outlets 423 set up along brush 421 length direction. One end of the cleaning brush 42 in the length direction is connected with a rotating rod 424 arranged in the horizontal direction, and the cleaning brush 42 and the rotating rod 424 are integrally L-shaped. The one end that cleaning brush 42 was kept away from to dwang 424 evenly is provided with worm wheel 425 along its circumference, and cleaning motor 41's output shaft has worm 411, and worm 411 sets up and meshes with worm wheel 425 along vertical direction, and singlechip 5 control cleaning motor 41 is just reversing and then drives cleaning brush 42 and clean transparent plate 333.
Referring to fig. 3 and 5, the cleaning device 4 further includes a liquid storage box 43 and an injection tube 44, the injection box is fixed on the inner side wall of the machine body 1, and detergent is stored inside the injection box. A first check valve 441 is connected between one end of the syringe 44 and the reservoir 43 in a flow direction from the reservoir 43 to the syringe 44, and a second check valve 442 is connected between one end of the syringe 44 connected to the reservoir 43 and the cleaning brush 42 in a flow direction from the syringe 44 to the cleaning brush 42. The end of the syringe 44 far away from the first one-way valve 441 is provided with a push rod 443 in the vertical direction, one end of the push rod 443 extends into the syringe 44 and is in sliding fit with the syringe 44, one end of the push rod 443 extending into the syringe 44 is provided with a piston 444, and the piston 444 is in interference fit with the inner side wall of the syringe 44. A screw 412 is fixedly connected to one end, far away from the cleaning motor 41, of the worm 411, the screw 412 is arranged along the vertical direction and rotates coaxially with an output shaft of the motor, a drive plate 413 is connected to the screw 412 in a threaded manner, and one end, far away from the screw 412, of the drive plate 413 is fixedly connected to one end, far away from the injection tube 44, of the push rod 443. When the motor drives the screw 412 to rotate to drive the driving plate 413 to move downwards, the push rod 443 pumps liquid into the injection tube 44 from the liquid storage box 43 through the first one-way valve 441, when the motor rotates the driving plate 413 to move upwards, the push rod 443 sends the liquid in the injection tube 44 into the brush body 421 through the second one-way valve 442 and sprays the liquid onto the transparent plate 333 through the liquid outlet 423, the transparent plate 333 is wiped completely by the auxiliary brush hairs 422, the lifting photosensitive receiver 332 is not easily shielded by scale, and the accuracy of detecting the transmittance of wastewater is improved.
The specific implementation process comprises the steps of firstly, introducing the wastewater into the pretreatment cavity 2 through the liquid inlet pipeline 16, filtering the wastewater entering the pretreatment cavity 2 through the filter screen 15, and slowly stirring the filtered wastewater by the stirring mechanism 21 controlled by the singlechip 5.
Then, the singlechip 5 controls the micro-water pump 26 to pump the wastewater in the pretreatment cavity 2 into the water inlet pipeline 31 in the inspection cavity 3, and then the wastewater flows out of the water outlet pipeline 32; at this time, the single chip microcomputer 5 controls the electric air valve 122 to blow air to the transparent plate 333 through the air inlet pipe 121, so that stains stained on the transparent plate 333 are blown off.
Finally, the singlechip 5 controls the light source 331 to emit light, the light passes through the water outlet pipeline 32 and is received by the photosensitive receiver 332, the photosensitive receiver 332 converts the received light signal into an electric signal and transmits the electric signal back to the singlechip 5, and the electric signal is processed by the singlechip 5 and displayed on the display 13 on the machine body 1; after the wastewater monitoring process begins, at intervals, the singlechip 5 controls the cleaning motor 41 to enable the output shaft of the cleaning motor 41 to rotate in a reciprocating manner, the output shaft of the cleaning motor 41 drives the cleaning brush 42 to clean the transparent plate 333, meanwhile, the output shaft of the cleaning motor 41 drives the push rod 443 to slide up and down in the injection pipe 44 during the reciprocating rotation, then the piston 444 of the push rod 443 pumps the liquid in the liquid storage box 43 into the injection pipe 44 and then sends the liquid into the brush body 421 of the cleaning brush 42, and when the cleaning brush 42 cleans the transparent plate 333, the liquid in the brush body 421 is sprayed on the transparent plate 333 to assist the cleaning brush 42 to clean.
Example two
Referring to fig. 2, 3 and 8, the detection method applied to the printing and dyeing wastewater detection device 33 disclosed by the invention comprises the following steps:
s1, introducing the wastewater into the pretreatment cavity 2 through the liquid inlet pipeline 16, filtering the wastewater entering the pretreatment cavity 2 through the filter screen 15, and filtering impurities and floating objects with larger volume in the wastewater; the singlechip 5 controls the stirring mechanism 21 to slowly stir the filtered wastewater, so as to prevent turbid impurities in the wastewater from precipitating;
s2, the singlechip 5 controls the micro water pump 26 to pump the wastewater in the pretreatment cavity 2 into the water inlet pipe 31 in the inspection cavity 3 and then flows out of the water outlet pipe 32;
s3, the singlechip 5 controls the light source 331 to emit light, the light is received by the photosensitive receiver 332 after passing through the water outlet pipe 32, the photosensitive receiver 332 converts the received light signal into an electric signal and transmits the electric signal back to the singlechip 5, and the electric signal is processed by the singlechip 5 and displayed on the display 13 on the machine body 1;
s4: the singlechip 5 controls the electric air valve 122 to blow air to the transparent plate 333 through the air inlet pipe 121, and stains stained on the transparent plate 333 are blown off, so that the transparent plate 333 is kept clean;
s5: at intervals, the single chip microcomputer 5 controls the cleaning motor 41 to enable the output shaft of the cleaning motor 41 to rotate in a reciprocating mode, the output shaft of the cleaning motor 41 drives the cleaning brush 42 to wipe the transparent plate 333, meanwhile, the output shaft of the cleaning motor 41 drives the push rod 443 to slide up and down in the injection pipe 44 during the reciprocating rotation, then liquid in the liquid storage box 43 is pumped into the injection pipe 44 and then sent into the brush body 421 of the cleaning brush 42, when the transparent plate 333 is wiped by the cleaning brush 42, the liquid in the liquid storage box 43 is sprayed on the transparent plate 333 to assist the cleaning brush 42 to wipe.
By adopting the detection method and the printing and dyeing wastewater detection equipment in the first embodiment, the transparency of the wastewater can be accurately detected and collected on the display 13, and meanwhile, the transparent plate 333 can be ensured to be clean, so that the light source 331 and the photosensitive receiver 332 are prevented from being shielded by residual stains in the wastewater, and the accuracy of printing and dyeing wastewater transparency detection is improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A printing and dyeing wastewater detection device comprises a machine body (1) and is characterized in that a partition plate (11) is arranged in the machine body (1) along the vertical direction, and the machine body (1) is partitioned into a pretreatment cavity (2) and a detection cavity (3) by the partition plate (11); a water inlet (14) is formed in the top of the pretreatment cavity (2), and a stirring mechanism (21) for uniformly stirring the wastewater in the pretreatment cavity (2) is arranged in the pretreatment cavity (2);
a water inlet pipeline (31) is arranged in the inspection cavity (3) along the vertical direction, a water outlet pipeline (32) arranged along the horizontal direction is communicated with the bottom of the water inlet pipeline (31), and two ends of the water outlet pipeline (32) are communicated; the detection device (33) is arranged in the detection cavity (3), the detection device (33) comprises a light source (331) and a photosensitive receiver (332) which are arranged in opposite directions, the light source (331) and the photosensitive receiver (332) are sequentially arranged along the horizontal direction, the photosensitive receiver (332) is connected with a single chip microcomputer (5), the output end of the single chip microcomputer (5) is electrically connected with the light source (331), a water outlet pipeline (32) and the photosensitive receiver (332) are sequentially distributed along a horizontal line, gaps exist among the light source (331), the water outlet pipeline (32) and the photosensitive receiver (332), and a display (13) for displaying data processed by the single chip microcomputer (5) is arranged on the outer side wall of the machine body (1);
the inspection chamber is characterized in that transparent plates (333) are arranged at one opposite ends of the light source (331) and the photosensitive receiver (332), cleaning devices (4) are arranged at positions, corresponding to the two transparent plates (333), on the inner side wall of the inspection chamber (3), each cleaning device (4) comprises a cleaning motor (41) and a cleaning brush (42), the single chip microcomputer (5) is connected with the cleaning motors (41) through a cleaning motor (41) controller, the two cleaning brushes (42) are respectively located at one opposite ends of the two transparent plates (333) and are abutted to the transparent plates (333), one ends of the cleaning brushes (42) in the length direction are connected with rotating rods (424) arranged in the horizontal direction, the cleaning brushes (42) and the rotating rods (424) are integrally L-shaped, and output shafts of the cleaning motors (41) are in transmission connection with the rotating rods (424);
a water pumping pipeline (25) is connected between the pretreatment cavity (2) and the inspection cavity (3), a micro water pump (26) is connected to the water pumping pipeline (25), the micro water pump (26) is connected with the output end of the single chip microcomputer (5), one end of the water pumping pipeline (25) extends into the pretreatment cavity (2), and the other end of the water pumping pipeline is connected with a water inlet pipeline (31) of the inspection cavity (3);
a worm wheel (425) is arranged on the rotating rod (424) along the circumferential direction of the rotating rod, an output shaft of the cleaning motor (41) is connected with a worm (411), and the worm (411) is arranged along the vertical direction and meshed with the worm wheel (425);
the cleaning device (4) further comprises a liquid storage box (43) and an injection tube (44), a first one-way valve (441) is connected between one end of the injection tube (44) and the liquid storage box (43) and flows from the liquid storage box (43) to the injection tube (44), a second one-way valve (442) is connected between one end of the injection tube (44) connected with the liquid storage box (43) and the cleaning brush (42) and flows from the injection tube (44) to the cleaning brush (42), the cleaning brush (42) comprises a brush body (421) and bristles (422), the bristles (422) are located at one end, abutted against the transparent plate (333), of the brush body (421), the brush body is hollow inside, and a liquid outlet (423) is formed at one end, abutted against the transparent plate (333); one end of the injection pipe (44) far away from the first one-way valve (441) is provided with a push rod (443) used for pushing liquid in the injection pipe (44); one end, far away from the cleaning motor (41), of the worm (411) is fixedly connected with a screw rod (412), a driving plate (413) is connected to the screw rod (412) in a threaded mode, and one end, far away from the screw rod (412), of the driving plate (413) is fixedly connected with one end, far away from the injection pipe (44), of the push rod (443).
2. The dyeing wastewater detection apparatus according to claim 1, characterized in that the liquid outlet (423) is provided in plurality and arranged along the length direction of the brush body (421).
3. The printing and dyeing wastewater detection device according to claim 1, characterized in that the stirring mechanism (21) comprises a stirring motor (22) and a stirring rod (23), the stirring motor (22) is connected with the output end of the single chip microcomputer (5) through a motor controller, the output shaft of the stirring motor (22) is connected with the stirring rod (23) arranged along the vertical direction, a plurality of stirrers (24) are arranged on the stirring rod (23) along the length direction of the stirring rod, and each stirrer (24) comprises a plurality of stirring blades (241) arranged along the circumferential direction of the stirring rod (23).
4. The printing and dyeing wastewater detection device according to claim 1, characterized in that a large-aperture filter screen (15) is arranged on the water inlet (14), a liquid inlet pipeline (16) is connected to the water inlet (14) in a threaded manner, and the filter screen (15) is positioned between the liquid inlet pipeline (16) and the water inlet (14).
5. The printing and dyeing wastewater detection device according to claim 1, characterized in that the bottom of the pretreatment cavity (2) is recessed downwards to form a temporary storage cavity (27), a temporary storage pipeline (28) is connected to the bottom of the temporary storage cavity (27), and a water valve (281) is arranged at one end of the temporary storage pipeline (28) far away from the temporary storage cavity (27); one end of the water pumping pipeline (25) extending into the pretreatment cavity (2) is arranged along the vertical direction, and the end part of the water pumping pipeline is not contacted with the bottom of the pretreatment cavity (2).
6. The printing and dyeing wastewater detection device according to claim 4, characterized in that two air inlet pipes (121) are arranged in the inspection chamber (3) along the vertical direction, air inlets of the two air inlet pipes (121) are commonly connected with an air compressor (12), and air outlets of the two air inlet pipes (121) are respectively towards one ends of the two transparent plates (333) close to the water outlet pipeline (32).
7. The printing and dyeing wastewater detection device according to claim 6, characterized in that an electric air valve (122) is arranged between the two air inlet pipes (121) and the air compressor (12), and the electric air valve (122) is connected with the output end of the singlechip (5).
8. A detection method applied to the printing and dyeing wastewater detection device of claim 7, characterized by comprising the following steps:
s1, introducing the wastewater into the pretreatment cavity (2) through a liquid inlet pipeline (16), filtering the wastewater entering the pretreatment cavity (2) through a filter screen (15), and filtering impurities and floating objects with larger volume in the wastewater; the singlechip (5) controls the stirring mechanism (21) to slowly stir the filtered wastewater, so as to prevent turbid impurities in the wastewater from precipitating;
s2, the singlechip (5) controls the micro water pump (26) to pump the wastewater in the pretreatment cavity (2) into the water inlet pipeline (31) in the inspection cavity (3), and then the wastewater flows out of the water outlet pipeline (32);
s3, the singlechip (5) controls the light source (331) to emit light, the light passes through the water outlet pipeline (32) and is received by the photosensitive receiver (332), the photosensitive receiver (332) converts the received light signal into an electric signal and transmits the electric signal back to the singlechip (5), and the electric signal is processed by the singlechip (5) and displayed on the display (13) on the machine body (1);
s4: the singlechip (5) controls the electric air valve (122) to blow air to the transparent plate (333) through the air inlet pipe (121) to blow away stains stained on the transparent plate (333) so that the transparent plate (333) is kept clean;
s5: at intervals, the single chip microcomputer (5) controls the cleaning motor (41) to enable an output shaft of the cleaning motor (41) to rotate in a reciprocating mode to drive the cleaning brush (42) to clean the transparent plate (333), meanwhile, the output shaft of the cleaning motor (41) drives the push rod (443) to slide up and down in the injection pipe (44) when rotating in the reciprocating mode, then liquid in the liquid storage box (43) is pumped into the injection pipe (44) and then sent into the brush body (421) of the cleaning brush (42), and when the cleaning brush (42) cleans the transparent plate (333), the liquid in the liquid storage box (43) is sprayed on the transparent plate (333) to assist the cleaning brush (42) to clean.
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| CN201911025690.5A CN110702693B (en) | 2019-10-25 | 2019-10-25 | Printing and dyeing wastewater detection device and detection method thereof |
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| CN203563841U (en) * | 2013-10-10 | 2014-04-30 | 深圳市车安达机电有限公司 | Cleaning brush |
| CN106018353B (en) * | 2016-07-14 | 2018-08-24 | 宣尧杭 | Sewage treatment control system |
| CN206788020U (en) * | 2017-04-12 | 2017-12-22 | 北京华科仪科技股份有限公司 | A kind of turbidity transducer light path window cleaning structure |
| CN109932342B (en) * | 2019-04-03 | 2021-10-29 | 苏伊士环境检测技术(上海)有限公司 | Rapid turbidity detection system and detection method for industrial wastewater |
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