CN110683706A - Coking wastewater treatment device - Google Patents
Coking wastewater treatment device Download PDFInfo
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- CN110683706A CN110683706A CN201910974975.7A CN201910974975A CN110683706A CN 110683706 A CN110683706 A CN 110683706A CN 201910974975 A CN201910974975 A CN 201910974975A CN 110683706 A CN110683706 A CN 110683706A
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- 238000004939 coking Methods 0.000 title claims abstract description 63
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 19
- 239000002351 wastewater Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000002893 slag Substances 0.000 claims abstract description 33
- 238000001179 sorption measurement Methods 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 21
- 239000012535 impurity Substances 0.000 claims abstract description 19
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 238000011282 treatment Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/48—Devices for applying magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to a coking wastewater treatment device which comprises a filter box, a wastewater inlet, a fixed plate, a first filter screen, a partition plate, a motor, blades, a first slag discharge pipe, a telescopic rod, a scraper, a waterproof magnetic rod, an electrostatic adsorption rod, a second filter screen, a filtered water outlet, a second slag discharge pipe, a water spray cleaning device, support legs, a protective layer and a framework oil seal. The beneficial effects are as follows: the device can effectively remove the granular impurities in the coking wastewater, solves the problems that the granular impurities in the coking wastewater influence the subsequent treatment process and reduce the treatment effect, improves the treatment effect of the coking wastewater, simplifies the subsequent treatment process, reduces the equipment investment, and has great economic benefit and social benefit.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a coking wastewater treatment device.
Background
The coking wastewater is typical toxic and non-degradable organic wastewater and mainly comes from the process water and steam condensation wastewater in the process of coke oven gas primary cooling and coking production. The pollutant concentration in the coking wastewater is high, and is difficult to degrade, and because the existence of nitrogen in the coking wastewater, cause the required nitrogen source of biological purification surplus, bring great difficulty for handling up to standard, when carrying out coking wastewater treatment, need pass through multichannel processing procedure, just reach the harmful substance purpose of getting rid of in the coking wastewater.
The composition of the coking wastewater is very complex, and a large amount of granular impurities in the coking wastewater accounts for more than half of the total organic matters. When the coking wastewater is subjected to primary treatment, the granular impurities contained in the coking wastewater can influence the subsequent treatment procedures, so that the effect of coking wastewater treatment is reduced. The particle impurities in the coking wastewater are removed, so that the subsequent treatment process can be simplified, the equipment investment is reduced, and great economic benefit can be generated. Therefore, it is necessary to develop a coking wastewater treatment apparatus to solve the above problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a coking wastewater treatment device, which can effectively remove granular impurities in coking wastewater, solves the problems that the granular impurities in the coking wastewater influence the subsequent treatment process and reduce the treatment effect, improves the treatment effect of the coking wastewater, simplifies the subsequent treatment process, reduces the equipment investment, and has great economic benefit and social benefit.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coking wastewater treatment device comprises a filter box, a wastewater inlet, a fixed plate, a first filter screen, a partition plate, a motor, blades, a first deslagging pipe, a telescopic rod, a scraper blade, a waterproof magnetic rod, an electrostatic adsorption rod, a second filter screen, a filtered water outlet, a second deslagging pipe, a water spray cleaning device, supporting legs, a protective layer and a framework oil seal, and is characterized in that the wastewater inlet is arranged on the left side of the top of the filter box; the two fixed plates are respectively arranged at the top and the bottom in the filter box, and a first filter screen is arranged between the two fixed plates to divide the filter box into a left cavity and a right cavity; the baffle plate is arranged at the lower part of the left cavity of the filter box, one end of the baffle plate is connected with the fixed plate arranged at the lower part, and the other end of the baffle plate is fixedly connected with the inner wall of the left side of the filter box, so that the left cavity of the filter box is divided into a left upper cavity and a left lower cavity; the motor is arranged in the left lower cavity of the filter box and fixed with the inner wall of the bottom of the filter box, an output shaft of the motor penetrates through the partition plate and extends to the left upper cavity of the filter box, and the output shaft of the motor is sealed with the partition plate through a framework oil seal; the blade is arranged at the output shaft end of the motor; the first slag discharge pipe penetrates through the bottom of the filter box, is extended and fixedly connected with the partition plate and is communicated with the upper left cavity of the filter box; the second filter screen is arranged at the lower part of the right cavity of the filter box, one end of the second filter screen is fixedly connected with the upper end part of a fixed plate arranged at the lower part, and the other end of the second filter screen is fixedly connected with the inner wall of the bottom of the filter box, so that the right cavity of the filter box is divided into a right upper cavity and a right lower cavity; the telescopic rod is arranged in the middle of the top of the upper right cavity of the filter box, one end of the telescopic rod is embedded in the inner wall of the top of the filter box, and the other end of the telescopic rod is fixedly connected with the scraper blade and can drive the scraper blade to move up and down; the waterproof magnetic rod is arranged in the right upper cavity of the filter box and positioned on the left side of the telescopic rod, one end of the waterproof magnetic rod is fixedly connected to the inner wall of the top of the filter box, and the other end of the waterproof magnetic rod penetrates through a through hole formed in the scraper and is suspended in the air; the electrostatic adsorption rod is arranged on the right upper cavity of the filter box and is positioned on the right side of the telescopic rod, one end of the electrostatic adsorption rod is fixedly connected to the inner wall of the top of the filter box, and the other end of the electrostatic adsorption rod penetrates through a through hole formed in the scraper plate and is suspended in the air; the filtered water outlet is arranged at the bottom of the filter tank and is communicated with the right lower cavity of the filter tank; the second slag discharge pipe is arranged at the lower part of the left side of the filter box and is communicated with the upper right cavity of the filter box; the water spray cleaning device penetrates through the top of the filter box, extends into the upper left cavity of the filter box and is fixedly connected with a fixing plate arranged at the upper part of the filter box; the four support legs are respectively arranged at four corners of the bottom of the filter box; and the scraper plate is provided with a protective layer in the through hole matched with the waterproof magnetic rod and the electrostatic adsorption rod.
The water spray cleaning device is composed of a high-pressure cleaning nozzle, a water inlet pipe and a valve, wherein the high-pressure cleaning nozzle is arranged at the end part of the water inlet pipe which penetrates through the top of the filter box and extends to the upper left cavity of the filter box, the high-pressure cleaning nozzle is fixedly connected with a fixing plate arranged at the upper part, and the valve is arranged on the water inlet pipe which exposes the filter box.
The maximum stroke of the telescopic rod is 20-30 mm smaller than the shortest stroke of the electrostatic adsorption rod or the waterproof magnetic rod.
The first filter screen is a polymer microporous filter screen, and the aperture is 0.25-0.45 mu m; the second filter screen is a polymer powder sintered microporous filter screen, and the aperture is 0.01-0.22 mu m.
The protective layer is made of rubber materials.
Furthermore, the partition plate is higher than the bottom of the filter box, so that the front section of the second filter screen is inclined.
The working principle comprises the following steps:
1) coarse filtration: the first slag discharge pipe, the second slag discharge pipe and the valve are closed, the coking wastewater is introduced into the upper left cavity of the filter box through the wastewater inlet, the motor is started to drive the blades to rotate, the blades stir to enable the coking wastewater in the upper left cavity of the filter box to form vortex rotation, organic matter particles are dispersed, the coking wastewater can be accelerated to pass through the first filter screen, and preliminary filtration is completed;
2) fine filtering: the coking wastewater after preliminary filtration passes through the first filter screen and enters the right upper cavity of the filter box, at the moment, the telescopic rod is in a contraction state, iron filings impurities in the coking wastewater are adsorbed by the waterproof magnetic rod, tiny charged particles in the coking wastewater are adsorbed by the electrostatic adsorption rod, the adsorbed coking wastewater enters the right lower cavity of the filter box after being filtered again by the second filter screen, and the coking wastewater is discharged through a filtered water outlet after fine filtration is finished;
3) deslagging: opening the first slag discharge pipe, the second slag discharge pipe and the valve, spraying clear water from the high-pressure cleaning nozzle through the water inlet pipe, flushing impurities on the first filter screen onto the partition board, and discharging the clear water from the first slag discharge pipe; the telescopic link is started, the scraper blade moves downwards, scrap iron and charged particles adsorbed on the waterproof magnetic rod and the electrostatic adsorption rod are scraped, the scraped scrap iron and charged particles fall on the second filter screen, and impurities filtered out of the second filter screen slide together under the action of gravity and are discharged from the second slag discharge pipe.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the device, a large amount of granular impurities in the coking wastewater can be effectively removed through multiple times of filtration such as rough filtration, fine filtration and the like, the effect of coking wastewater treatment is improved, and the problems that the granular impurities in the coking wastewater influence the subsequent treatment process and reduce the treatment effect are solved;
2) by adopting the valve device, the subsequent treatment process is simplified, the equipment investment is reduced, and the valve device has great economic and social benefits;
3) the structure is simple, the slag is convenient to remove, and the cleaning and the maintenance are convenient;
4) when the scraper blade slides downwards, the waterproof magnetic rod and the electrostatic adsorption rod are protected by the protective layer from being damaged, and the service life of the scraper blade is prolonged.
Drawings
FIG. 1 is a schematic structural view of the process principle of the present invention;
FIG. 2 is an enlarged view of the structure of portion A in FIG. 1;
FIG. 3 is a schematic view of the structure of the squeegee of the present invention.
In the figure: 1-filter box 2-wastewater inlet 3-fixed plate 4-first filter screen 5-baffle 6-motor 7-blade 8-first slag discharge pipe 9-telescopic rod 10-scraper 11-through hole 12-waterproof magnetic bar 13-electrostatic adsorption bar 14-second filter screen 15-filtered water outlet 16-second slag discharge pipe 17-water spray cleaning device 1701-high pressure cleaning nozzle 1702-water inlet pipe 1703-valve 18-supporting leg 19-protective layer 20-framework oil seal
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-3, the coking wastewater treatment device according to the present invention comprises a filter tank 1, a wastewater inlet 2, a fixing plate 3, a first filter screen 4, a partition plate 5, a motor 6, a blade 7, a first slag discharge pipe 8, a telescopic rod 9, a scraper 10, a waterproof magnetic rod 12, an electrostatic adsorption rod 13, a second filter screen 14, a filtered water outlet 15, a second slag discharge pipe 16, a water spray cleaning device 17, a support leg 18, a protective layer 19 and a framework oil seal, wherein the wastewater inlet 2 is arranged on the left side of the top of the filter tank 1; the fixed plates 3 are two and are respectively arranged at the top and the bottom in the filter box 1, and a first filter screen 4 is arranged between the two to divide the filter box 1 into a left cavity and a right cavity; the partition plate 5 is arranged at the lower part of the left cavity of the filter box 1, one end of the partition plate is connected with the fixing plate 3 arranged at the lower part, and the other end of the partition plate is fixedly connected with the inner wall of the left side of the filter box 1, so that the left cavity of the filter box 1 is divided into a left upper cavity and a left lower cavity; the motor 6 is arranged in the left lower cavity of the filter box 1 and is fixed with the inner wall of the bottom of the filter box 1, the output shaft of the motor 6 penetrates through the partition plate 5 and extends to the left upper cavity of the filter box 1, and the output shaft of the motor 6 is sealed with the partition plate 5 through a framework oil seal 20; the blade 7 is arranged at the output shaft end of the motor 6; the first slag discharge pipe 8 penetrates through the bottom of the filter box 1, is extended and fixedly connected with the partition plate 5 and is communicated with the upper left cavity of the filter box 1 (discharges slag); the second filter screen 14 is arranged at the lower part of the right cavity of the filter box 1, one end of the second filter screen is fixedly connected with the upper end part of the fixed plate 3 arranged at the lower part, and the other end of the second filter screen is fixedly connected with the inner wall of the bottom of the filter box 1, so that the right cavity of the filter box 1 is divided into a right upper cavity and a right lower cavity; the telescopic rod 9 is arranged at the middle position of the top of the upper right cavity of the filter box 1, one end of the telescopic rod is embedded in the inner wall of the top of the filter box 1, and the other end of the telescopic rod is fixedly connected with the scraper 10 and can drive the scraper 10 to move up and down; the waterproof magnetic rod 12 is arranged in the upper right cavity of the filter box 1 and positioned on the left side of the telescopic rod 9, one end of the waterproof magnetic rod is fixedly connected to the inner wall of the top of the filter box 1, and the other end of the waterproof magnetic rod passes through a through hole 11 formed in the scraper 10 and is suspended (the waterproof magnetic rod and the scraper can slide and move); the electrostatic adsorption rod 13 is arranged in the upper right cavity of the filter box 1 and positioned on the right side of the telescopic rod 9, one end of the electrostatic adsorption rod is fixedly connected to the inner wall of the top of the filter box 1, and the other end of the electrostatic adsorption rod passes through a through hole 11 formed in the scraper 10 and is suspended (the electrostatic adsorption rod and the scraper can slide and move); the filtered water outlet 15 is arranged at the bottom of the filter tank 1 and is communicated with the right lower cavity of the filter tank 1 (for discharging filtered coking wastewater); the second slag discharge pipe 16 is arranged at the lower part of the left side of the filter box 1 and is communicated with the upper right cavity of the filter box 1 (discharging slag); the water spray cleaning device 17 penetrates through the top of the filter box 1, extends into the upper left cavity of the filter box 1 and is fixedly connected with the fixing plate 3 arranged at the upper part; the four supporting legs 18 are respectively arranged at four corners of the bottom of the filter box 1; and protective layers 19 are arranged in the two through holes 11 which are arranged on the scraper 10 and matched with the waterproof magnetic rod 12 and the electrostatic adsorption rod 13.
The water spray cleaning device 17 is composed of a high pressure cleaning nozzle 1701, an inlet pipe 1702 and a valve 1703, wherein the high pressure cleaning nozzle 1701 is provided at the end of the inlet pipe 1702 extending through the top of the filter tank 1 into the upper left chamber of the filter tank 1, and the high pressure cleaning nozzle 1701 is fixedly connected with the fixing plate 3 provided at the upper portion, and the valve 1703 is provided on the inlet pipe 1702 exposing the filter tank 1.
The maximum stroke of the telescopic rod 9 is 20-30 mm smaller than the shortest stroke of the electrostatic adsorption rod 13 or the waterproof magnetic rod 12.
The first filter screen 4 is a polymer microporous filter screen with the aperture of 0.25-0.45 μm; the second filter screen 14 is a polymer powder sintering microporous filter screen, the pore diameter is 0.01-0.22 μm, the pore diameter of the first filter screen 4 is larger than that of the second filter screen 14, the first filter screen 4 filters larger particles, the second filter screen 14 filters small particles, the two layers of filtering remove granular impurities in the coking wastewater, the coking wastewater treatment effect is improved, and huge economic benefits are brought to the simplification of the subsequent treatment process and the reduction of equipment investment.
The protective layer 19 is made of rubber materials, and when the scraper 10 slides downwards, the waterproof magnetic rod 12 and the electrostatic adsorption rod 13 are protected from being damaged by the protective layer 19, so that the service life is prolonged.
Further, since the partition plate 5 is higher than the bottom of the filter box 1, the front cross section of the second filter 14 is inclined. The inclined arrangement of the second filter screen 14 can make the filtered particles slide down under the action of gravity, so that the particles are smoothly discharged from the second slag discharge pipe 16, and the filter box 1 is convenient to clean.
Further, the bottom fixedly connected with skeleton oil blanket 20 of baffle 5, the inner circle of skeleton oil blanket 20 and the output shaft fixed connection of motor 6 prevent through skeleton oil blanket 20 that coking wastewater from seeing through baffle 5 contact motor 6 to prevented that motor 6 can not damage.
Further, the motor 6, the telescopic rod 9 and the electrostatic adsorption rod 13 are connected with an external power supply and a switch for matching use, and the specific circuit connection mode and the use method are common and public technologies, and are not described in detail herein.
The working principle comprises the following steps:
1) coarse filtration: the first slag discharge pipe 8, the second slag discharge pipe 16 and the valve 1703 are closed, coking wastewater is introduced into the upper left cavity of the filter box 1 through the wastewater inlet 2, the motor 6 is turned on to drive the blade 7 to rotate, the blade 7 stirs to enable the coking wastewater in the upper left cavity of the filter box 1 to form vortex rotation, organic matter particles are dispersed, the coking wastewater can be accelerated to pass through the first filter screen 4, and preliminary filtration is completed;
2) fine filtering: the coking wastewater after preliminary filtration passes through the first filter screen 4 and enters the right upper cavity of the filter box 1, at the moment, the telescopic rod 9 is in a contraction state, iron filings impurities in the coking wastewater are adsorbed by the waterproof magnetic rod 12, tiny charged particles in the coking wastewater are adsorbed by the electrostatic adsorption rod 13, the adsorbed coking wastewater enters the right lower cavity of the filter box 1 after being filtered again by the second filter screen 14, and the coking wastewater after fine filtration is discharged through the filtered water outlet 15;
3) deslagging: opening the first slag discharge pipe 8, the second slag discharge pipe 16 and the valve 1703, spraying clear water from the high-pressure cleaning nozzle 1701 through the water inlet pipe 1702, washing impurities on the first filter screen 4 onto the partition plate 5, and then discharging the clear water from the first slag discharge pipe 8 to complete cleaning of the left cavity of the filter box 1; starting telescopic link 9, making scraper blade 10 downstream, scraping waterproof bar magnet 12 and the last adsorbed iron fillings of electrostatic absorption stick 13, electrified granule, the iron fillings of scraping, electrified granule drop on second filter screen 14, and the impurity that filters off on second filter screen 14 together slide at the action of gravity, then discharge from second scum pipe 16, the completion is to the washing in waterproof bar magnet 12, electrostatic absorption stick 13 and the filter box 1 right side chamber.
Claims (6)
1. A coking wastewater treatment device comprises a filter box, a wastewater inlet, a fixed plate, a first filter screen, a partition plate, a motor, blades, a first deslagging pipe, a telescopic rod, a scraper blade, a waterproof magnetic rod, an electrostatic adsorption rod, a second filter screen, a filtered water outlet, a second deslagging pipe, a water spray cleaning device, supporting legs, a protective layer and a framework oil seal, and is characterized in that the wastewater inlet is arranged on the left side of the top of the filter box; the two fixed plates are respectively arranged at the top and the bottom in the filter box, and a first filter screen is arranged between the two fixed plates to divide the filter box into a left cavity and a right cavity; the baffle plate is arranged at the lower part of the left cavity of the filter box, one end of the baffle plate is connected with the fixed plate arranged at the lower part, and the other end of the baffle plate is fixedly connected with the inner wall of the left side of the filter box, so that the left cavity of the filter box is divided into a left upper cavity and a left lower cavity; the motor is arranged in the left lower cavity of the filter box and fixed with the inner wall of the bottom of the filter box, an output shaft of the motor penetrates through the partition plate and extends to the left upper cavity of the filter box, and the output shaft of the motor is sealed with the partition plate through a framework oil seal; the blade is arranged at the output shaft end of the motor; the first slag discharge pipe penetrates through the bottom of the filter box, is extended and fixedly connected with the partition plate and is communicated with the upper left cavity of the filter box; the second filter screen is arranged at the lower part of the right cavity of the filter box, one end of the second filter screen is fixedly connected with the upper end part of a fixed plate arranged at the lower part, and the other end of the second filter screen is fixedly connected with the inner wall of the bottom of the filter box, so that the right cavity of the filter box is divided into a right upper cavity and a right lower cavity; the telescopic rod is arranged in the middle of the top of the upper right cavity of the filter box, one end of the telescopic rod is embedded in the inner wall of the top of the filter box, and the other end of the telescopic rod is fixedly connected with the scraper blade and can drive the scraper blade to move up and down; the waterproof magnetic rod is arranged in the right upper cavity of the filter box and positioned on the left side of the telescopic rod, one end of the waterproof magnetic rod is fixedly connected to the inner wall of the top of the filter box, and the other end of the waterproof magnetic rod penetrates through a through hole formed in the scraper and is suspended in the air; the electrostatic adsorption rod is arranged on the right upper cavity of the filter box and is positioned on the right side of the telescopic rod, one end of the electrostatic adsorption rod is fixedly connected to the inner wall of the top of the filter box, and the other end of the electrostatic adsorption rod penetrates through a through hole formed in the scraper plate and is suspended in the air; the filtered water outlet is arranged at the bottom of the filter tank and is communicated with the right lower cavity of the filter tank; the second slag discharge pipe is arranged at the lower part of the left side of the filter box and is communicated with the upper right cavity of the filter box; the water spray cleaning device penetrates through the top of the filter box, extends into the upper left cavity of the filter box and is fixedly connected with a fixing plate arranged at the upper part of the filter box; the four support legs are respectively arranged at four corners of the bottom of the filter box; and the scraper plate is provided with a protective layer in the through hole matched with the waterproof magnetic rod and the electrostatic adsorption rod.
2. The coking wastewater treatment device of claim 1, wherein the water spray cleaning device is composed of a high pressure cleaning nozzle, a water inlet pipe and a valve, wherein the high pressure cleaning nozzle is arranged at the end of the water inlet pipe extending through the top of the filter tank to the upper left chamber of the filter tank, the high pressure cleaning nozzle is fixedly connected with a fixing plate arranged at the upper part, and the valve is arranged on the water inlet pipe exposed out of the filter tank.
3. The coking wastewater treatment device of claim 1, wherein the maximum stroke of the telescopic rod is 20-30 mm smaller than the shortest of the electrostatic adsorption rod or the waterproof magnetic rod.
4. The coking wastewater treatment device according to claim 1, characterized in that the first filter screen is a polymer microporous filter screen with a pore size of 0.25-0.45 μm; the second filter screen is a polymer powder sintered microporous filter screen, and the aperture is 0.01-0.22 mu m.
5. The coking wastewater treatment apparatus of claim 1, wherein the second filter screen is inclined in front view cross section.
6. The coking wastewater treatment device according to claim 1, characterized in that the working principle comprises the following steps:
1) coarse filtration: the first slag discharge pipe, the second slag discharge pipe and the valve are closed, the coking wastewater is introduced into the upper left cavity of the filter box through the wastewater inlet, the motor is started to drive the blades to rotate, the blades stir to enable the coking wastewater in the upper left cavity of the filter box to form vortex rotation, organic matter particles are dispersed, the coking wastewater can be accelerated to pass through the first filter screen, and preliminary filtration is completed;
2) fine filtering: the coking wastewater after preliminary filtration passes through the first filter screen and enters the right upper cavity of the filter box, at the moment, the telescopic rod is in a contraction state, iron filings impurities in the coking wastewater are adsorbed by the waterproof magnetic rod, tiny charged particles in the coking wastewater are adsorbed by the electrostatic adsorption rod, the adsorbed coking wastewater enters the right lower cavity of the filter box after being filtered again by the second filter screen, and the coking wastewater is discharged through a filtered water outlet after fine filtration is finished;
3) deslagging: opening the first slag discharge pipe, the second slag discharge pipe and the valve, spraying clear water from the high-pressure cleaning nozzle through the water inlet pipe, flushing impurities on the first filter screen onto the partition board, and discharging the clear water from the first slag discharge pipe; the telescopic link is started, the scraper blade moves downwards, scrap iron and charged particles adsorbed on the waterproof magnetic rod and the electrostatic adsorption rod are scraped, the scraped scrap iron and charged particles fall on the second filter screen, and impurities filtered out of the second filter screen slide together under the action of gravity and are discharged from the second slag discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910974975.7A CN110683706A (en) | 2019-10-14 | 2019-10-14 | Coking wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910974975.7A CN110683706A (en) | 2019-10-14 | 2019-10-14 | Coking wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110683706A true CN110683706A (en) | 2020-01-14 |
Family
ID=69112658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910974975.7A Pending CN110683706A (en) | 2019-10-14 | 2019-10-14 | Coking wastewater treatment device |
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| CN113336372A (en) * | 2021-06-17 | 2021-09-03 | 桂林理工大学 | Domestic sewage purification treatment device and method |
| CN113816525A (en) * | 2021-09-22 | 2021-12-21 | 滁州方大矿业发展有限公司 | Mineral exploitation sewage treatment device with recovery function |
| CN114044892A (en) * | 2021-12-02 | 2022-02-15 | 浙江佳人新材料有限公司 | Process for producing film-grade copolyester chips by chemical cyclic regeneration method |
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