CN114717012A - Dry quenching waste heat energy recycling and coking wastewater treatment system - Google Patents
Dry quenching waste heat energy recycling and coking wastewater treatment system Download PDFInfo
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- CN114717012A CN114717012A CN202210402251.7A CN202210402251A CN114717012A CN 114717012 A CN114717012 A CN 114717012A CN 202210402251 A CN202210402251 A CN 202210402251A CN 114717012 A CN114717012 A CN 114717012A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/04—Wet quenching
- C10B39/06—Wet quenching in the oven
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a system for recycling waste heat energy of coke dry quenching and treating coking wastewater in the technical field of coking production, which adopts the following technical scheme: the device comprises a dry quenching furnace and a waste heat recovery device, and further comprises a solid-liquid separation device, a screw conveyor and a spraying device, wherein after coking waste liquid is treated by the solid-liquid separation device, solid materials are conveyed to the upper part of the interior of the dry quenching furnace through the screw conveyor, liquid materials are conveyed to the lower part of the interior of the dry quenching furnace through the spraying device, and mixed gas treated by the dry quenching furnace is subjected to heat energy recovery through the waste heat recovery device.
Description
Technical Field
The invention relates to the technical field of coking production, in particular to a system for recycling waste heat energy of dry quenching coke and treating coking wastewater.
Background
The coking wastewater is high-concentration organic wastewater generated in the coking process, has complex components, contains a large amount of organic pollutants such as phenols, biphenyl, pyridine, indole and quinoline, also contains toxic and harmful substances such as cyanogen, inorganic fluorine ions and ammonia nitrogen, and belongs to industrial wastewater which is difficult to biodegrade. The coke-oven plant usually adopts activated sludge to treat the wastewater, but the standard utilization and discharge cannot be realized by adopting the method. At present, various industrial phenol-containing water treatment techniques include chemical oxidation, incineration, steam, adsorption, biochemical, solvent extraction, emulsion membrane, and the like. The incineration method is characterized in that almost any organic matters are decomposed into nontoxic hydrogen and carbon monoxide when the sewage is in an environment with the temperature of about 1000 ℃, the method not only completely treats phenol and completely meets the environmental protection requirement, but also has high energy consumption because the conversion rate of various organic matters in the sewage reaches 99.99 percent, and the method needs a large amount of external heat sources and is difficult to popularize practically.
At present, a spray device is mainly adopted for discharging the wastewater into a dry quenching furnace aiming at the coking wastewater, and as the high-temperature interval of the dry quenching furnace is up to over 1000 ℃, almost all the coking wastewater can be thermally decomposed, so that a heat source is effectively utilized, but the coking wastewater contains more wastes, and the spray device sprays the wastewater to easily cause blockage.
Disclosure of Invention
The invention provides a system for recycling waste heat energy of dry quenching coke and treating coking wastewater, which aims to solve the problems that the coking wastewater provided by the background technology contains more wastes, and a spraying device sprays the wastewater to easily cause blockage.
The invention provides a system for recycling waste heat energy of dry quenching coke and treating coking wastewater, which adopts the following technical scheme: comprises a dry quenching furnace and a waste heat recovery device, and also comprises a solid-liquid separation device, a screw conveyor and a spraying device, wherein after coking waste liquid is treated by the solid-liquid separation device, solid materials are conveyed to the upper part of the interior of the dry quenching furnace through the screw conveyor, liquid materials are conveyed to the lower part of the interior of the dry quenching furnace through the spraying device, and mixed gas treated by the dry quenching furnace is subjected to heat energy recovery through the waste heat recovery device,
the solid-liquid separation device comprises a shell, a wastewater inlet is formed in the top of an inner cavity of the shell, a diversion switching mechanism is connected below the wastewater inlet, a cam and a filtrate chamber are arranged on two sides of the inside of the shell, electromagnets are arranged on the side walls of the filtrate chamber and the side wall of the diversion switching mechanism, a filter screen is connected to the bottom of the filtrate chamber, a hydraulic mechanism is arranged inside the filtrate chamber, the diversion switching mechanism is connected with the hydraulic mechanism through the cam, a guide rod penetrates between the bottoms of the two groups of filtrate chambers, material pushing plates are fixed at two ends of the guide rod, a supporting seat is connected between the two groups of filtrate chambers, a positive and negative motor is fixed on the supporting seat, the positive and negative motor is electrically connected with the electromagnets, a material pushing gear is sleeved at the output end of the positive and negative motor, and a toothed plate meshed with the material pushing gear is arranged at the middle position of the bottom of the guide rod, the end of the filtrate chamber, which is far away from the guide rod, is provided with a solid material discharge mechanism connected with the screw conveyor, and the bottom of the shell is provided with a liquid accumulation chamber connected with the spraying device.
Optionally, the coke dry quenching furnace comprises a furnace body, a solid material inlet connected with the screw conveyor is arranged on one side of the top of the furnace body, a fluidized bed is arranged at the bottom of an inner cavity of the furnace body, a spray tray connected with the spray device is arranged below the fluidized bed, and the top of the furnace body is connected with the waste heat recovery device through the dust remover.
By adopting the technical scheme, the solid material after solid-liquid separation is injected from the solid material inlet and the liquid material after solid-liquid separation is sprayed from the spraying device, the dry quenching furnace adopts a fluidized state to ensure that the incineration is more thorough, and after the burnt mixer removes dust through the dust remover, the waste heat recovery device recovers the waste heat.
Optionally, the top of casing is equipped with the waste water import, the baffle of intaking is located under the waste water import.
Through adopting above-mentioned technical scheme, the coking waste liquid gets into through the waste water import to along flowing into in the baffle of intaking in the casing.
Optionally, the hydraulic mechanism includes a pressure plate, the pressure plate is connected to the top of the inner cavity of the filtrate chamber through a first spring, a pressure rod is fixed to the top of the pressure plate, and the bottom end of the pressure rod is attached to the outer wall of the cam.
Through adopting above-mentioned technical scheme, when the cam was driven rotatory, under the effect of first spring, the clamp plate can be driven by the depression bar and follow the cam and carry out reciprocating type pushing down the action.
Optionally, the diversion switching mechanism includes a drive shaft, the outer wall of the drive shaft is fixedly sleeved with two groups of flow baffle plates, the end portion of the drive shaft is connected with a drive gear, one side of the drive gear is meshed with a driven gear, a ratchet wheel is sleeved on a middle shaft of the driven gear, the ratchet wheel is arranged in a direction opposite to the direction of the ratchet wheel, one end of the ratchet wheel is connected with the cam through a first transmission belt, and the other end of the ratchet wheel is connected with the cam through a second transmission belt.
By adopting the technical scheme, when the material baffle is driven to rotate by the electromagnet, the driving gear is driven to act through the driving shaft, so that the rotation of the gear can drive the ratchet wheel at one side to rotate, and when the ratchet wheel at one end rotates, the ratchet wheel at the other end does not rotate.
Optionally, the electromagnets are fixed to a side wall of the two sets of diversion switching mechanisms, which is far away from each other, and the electromagnet fixed to the filtrate chamber is located on one side of the electromagnet fixed to the diversion switching mechanism.
By adopting the technical scheme, the positive and negative motors are controlled to rotate forwards when the two groups of electromagnets on one side are switched on, and the positive and negative motors are controlled to rotate backwards when the two groups of electromagnets on the other side are switched on.
Optionally, the solid material discharging mechanism includes a discharge port arranged on the side wall of the housing, the inside of the discharge port is hermetically connected with a sliding plug, an end cover is arranged at one end of the sliding plug, which extends out of the discharge port, and a second spring is connected between the end cover and the side wall of the housing.
By adopting the technical scheme, when the guide rod drives the material pushing plate to push out the filter-pressed solid materials to the discharge hole, the sliding plug can be pushed out, so that the solid materials are pushed out to the feed inlet of the screw conveyor from the discharge hole, after the pushing is finished, the material pushing plate returns to the original position, and under the action of the second spring, the sliding plug enters the discharge hole again, so that the liquid materials are prevented from leaking.
Optionally, through holes are formed in one side wall, close to the two groups of filtrate chambers, of each group of filtrate chambers, the guide rods penetrate through the through holes in the two sides, and when the solid material discharge mechanism on one side penetrates through the through hole in one side to discharge solid materials, the solid material discharge mechanism on the other side is located inside the through hole in the other side.
By adopting the technical scheme, the waste liquid is ensured not to leak.
In summary, the invention includes at least one of the following advantages:
1. according to the invention, the coking waste liquid passes through the solid-liquid separation device, and the separated solid material and liquid material are respectively injected into the dry quenching furnace for combustion, so that the problem that spraying equipment is easy to block can be effectively avoided.
2. The solid-liquid separation device adopted by the invention has enough design creativity, can realize the solid-liquid separation of the coking waste liquid while continuously supplying the coking waste liquid, has high efficiency in the whole process, does not discharge materials, and realizes filtrate, liquid pressing and material pushing in the diversion switching time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a schematic structural view of a solid-liquid separation apparatus according to the present invention;
FIG. 3 is an enlarged view of part A of the present invention;
FIG. 4 is an enlarged view of the part B of the present invention;
fig. 5 is a schematic diagram of a dry quenching furnace structure of the invention.
Description of reference numerals: 1. dry quenching the coke oven; 101. a furnace body; 102. a fluidized bed; 103. a solid material inlet; 104. spraying a disc; 105. a dust remover; 2. a waste heat recovery device; 3. a solid-liquid separation device; 4. a screw conveyor; 5. a spraying device; 6. a housing; 7. a waste water inlet; 8. a water inlet baffle plate; 9. a diversion switching mechanism; 901. a drive shaft; 902. a flow baffle plate; 903. a drive gear; 904. a driven gear; 905. a ratchet wheel; 906. a first drive belt; 907. a second belt; 10. a cam; 11. a filtrate chamber; 12. a supporting seat; 13. filtering with a screen; 14. pressing a plate; 15. a pressure lever; 16. a first spring; 17. a guide bar; 18. a material pushing plate; 19. a pusher gear; 20. a toothed plate; 21. a liquid accumulation chamber; 22. an electromagnet; 23. a solid material discharge mechanism; 231. a discharge port; 232. a sliding plug; 233. an end cap; 234. a second spring; 24. a positive and negative motor.
Detailed Description
The present invention is described in further detail below with reference to FIGS. 1-5.
Referring to fig. 1, the invention discloses a coke dry quenching waste heat energy recycling and coking wastewater treatment system, which comprises a coke dry quenching furnace 1 and a waste heat recycling device 2, and further comprises a solid-liquid separation device 3, a screw conveyor 4 and a spray device 5, in order to avoid the situation that coking waste liquid is directly sprayed into the coke dry quenching furnace 1 through a spray device to cause blockage, the solid-liquid separation device 3 is additionally arranged, the coking waste liquid can effectively separate solid materials which are easy to cause blockage after being treated by the solid-liquid separation device 3, the solid materials are conveyed to the upper part of the interior of the coke dry quenching furnace 1 through the screw conveyor 4, liquid materials are conveyed to the lower part of the interior of the coke dry quenching furnace 1 through the spray device 5, the combustion is carried out through the coke dry quenching furnace 1, mixed gas treated by the coke dry quenching furnace 1 is subjected to heat energy recycling through the waste heat energy recycling device 2, and a heat recycling area is such as the existing coke dry quenching waste heat boiler waste heat energy recycling area, Products produced in a chemical production area or coal gas returned to a coke oven heating system.
Referring to fig. 2, solid-liquid separation equipment 3 includes casing 6, and the inner chamber top of casing 6 is equipped with waste water import 7, and the top of casing 6 is equipped with waste water import 7, and baffle 8 of intaking is located waste water import 7 under, and coking waste liquid gets into through waste water import 7 to flow into in the casing 6 along intaking in the baffle 8. The lower part of the waste water inlet 7 is connected with a diversion switching mechanism 9, the solid-liquid separation of one side can be realized by controlling the diversion switching mechanism 9, the solid-liquid separation of the other side is processed at the same time, the continuous supply of waste liquid is ensured, the solid-liquid processing is not influenced, both sides of the interior of the shell 6 are provided with a cam 10 and a filtrate chamber 11, the side wall of the filtrate chamber 11 and the side wall of the diversion switching mechanism 9 are provided with electromagnets 22, the diversion direction switching of the diversion switching mechanism 9 can be realized by controlling the electromagnets 22, the bottom of the filtrate chamber 11 is connected with a filter screen 13, the filter screen 13 can separate solid materials and liquid materials in the coking waste liquid, the interior of the filtrate chamber 11 is provided with a hydraulic mechanism, the hydraulic mechanism can press the solid materials in the filtrate chamber 11 to ensure that redundant liquid in the solid materials fully flows into a lower liquid accumulation chamber 21, and the diversion switching mechanism 9 is connected with the hydraulic mechanism through the cam 10, when water conservancy diversion switching mechanism 9 carries out the water conservancy diversion and switches, can drive hydraulic mechanism through cam 10 and carry out the hydraulic pressure, hydraulic mechanism includes clamp plate 14, clamp plate 14 connects in the inner chamber top of filtrate chamber 11 through first spring 16, the top of clamp plate 14 is fixed with depression bar 15, the laminating of the outer wall of depression bar 15 bottom and cam 10 mutually, when cam 10 is driven rotatory, under the effect of first spring 16, the clamp plate can be driven by depression bar 15 and follow cam 10 and carry out reciprocating type pushing down the action.
A guide rod 17 penetrates through the bottoms of the two groups of filtrate chambers 11, two ends of the guide rod 17 are respectively fixed with a material pushing plate 18, a support seat 12 is connected between the two groups of filtrate chambers 11, a positive and negative motor 24 is fixed on the support seat 12, the positive and negative motor 24 is electrically connected with an electromagnet 22, when the electromagnet 22 is switched on, the positive and negative motor 24 is switched on to work, one side wall, away from the two groups of guide switching mechanisms 9, of each group is fixed with an electromagnet 22, the electromagnet 22 fixed on the filtrate chamber 11 is positioned on one side of the electromagnet 22 fixed on the guide switching mechanism 9, wherein when the two groups of electromagnets 22 on one side are switched on, the positive and negative motors 24 are controlled to rotate forwardly, and when the two groups of electromagnets 22 on the other side are switched on, the positive and negative motors 24 are controlled to rotate reversely; when needing to be noticed, the waste liquid on the diversion switching mechanism 9 can enter the lower filtrate chamber 11 only when the electromagnet 22 is contacted;
the output pot head of positive and negative motor 24 is equipped with and pushes away material gear 19, the bottom intermediate position of guide bar 17 is equipped with the pinion rack 20 with pushing away material gear 19 engaged with, positive and negative motor 24 output can drive and push away material gear 19 and rotate, thereby drive pinion rack 20 through pinion rack 20 and carry out reciprocating type lateral shifting, the one end that guide bar 17 was kept away from to filtrate chamber 11 is equipped with the solid material discharge mechanism 23 that is connected with screw conveyer 4, reciprocating type lateral shifting's guide bar 17 can drive solid material discharge mechanism 23 and open, a lateral wall that two sets of filtrate chambers 11 are close to mutually all opens the through-hole, guide bar 17 runs through between the through-hole of both sides, guarantee guide bar 17 mobility stability, when one side solid material discharge mechanism 23 runs through one side through-hole and discharges solid material, opposite side solid material discharge mechanism 23 is located the inside of opposite side through-hole, guarantee that the waste liquid does not leak. The bottom of the shell 6 is provided with a liquid accumulation chamber 21 connected with the spraying device 5, the liquid accumulation chamber 21 is used for collecting liquid materials after solid-liquid separation, and then the liquid materials are conveyed to the dry quenching furnace 1 through the spraying device 5 for combustion.
Referring to fig. 3, the diversion switching mechanism 9 includes a driving shaft 901, two sets of baffle plates 902 are fixedly sleeved on the outer wall of the driving shaft 901, a driving gear 903 is connected to the end of the driving shaft 901, when the baffle plate 902 is driven by an electromagnet 22 to rotate, the driving gear 903 is driven by the driving shaft 901 to operate, a driven gear 904 is meshed with one side of the driving gear 903, the number of teeth of the driven gear 904 is smaller than that of the driving gear 903, a ratchet 905 is sleeved on the intermediate shaft of the driven gear 904, so that the rotation of the gear 904 can drive the ratchet 905 at one side to rotate, and the directions of the ratchet 905 at both ends are opposite, so that when the ratchet 905 at one end rotates, the ratchet 905 at the other end does not rotate, the ratchet 905 at one end is connected with the cam 10 at one side through a first transmission belt 906, the ratchet 905 at the other end is connected with the cam 10 through a second transmission belt 907, and when the ratchet 905 at one end drives the cam 10 to rotate through the first transmission belt 906, the ratchet 905 at the other end does not rotate, and the cam 10 at the other end does not rotate, whereas when the ratchet 905 at the other end drives the cam 10 to rotate through the second belt 907, the ratchet 905 at the other end does not rotate, and the cam 10 at one end does not rotate.
Referring to fig. 4, the solid material discharging mechanism 23 includes a discharging port 231 opened on the side wall of the housing 6, a sliding plug 232 is hermetically connected inside the discharging port 231, an end cover 233 is disposed at an end of the sliding plug 232 extending out of the discharging port 231, a second spring 234 is connected between the end cover 233 and the side wall of the housing 6, when the guide rod 17 drives the material pushing plate 18 to push out the filter-pressed solid material to the discharging port 231, the sliding plug 232 is pushed out, so as to push out the solid material from the discharging port 231 to the feeding port of the screw conveyor 4, after the material pushing is completed, the material pushing plate 18 returns to the original position, and under the action of the second spring 234, the sliding plug 232 enters the discharging port 231 again, so as to prevent the liquid material from leaking out.
Referring to fig. 5, the dry quenching furnace 1 comprises a furnace body 101, a solid material inlet 103 connected with the screw conveyor 4 is arranged on one side of the top of the furnace body 101, a fluidized bed 102 is arranged at the bottom of an inner cavity of the furnace body 101, a spray tray 104 connected with the spray device 5 is arranged below the fluidized bed 102, the top of the furnace body 101 is connected with the waste heat recovery device 2 through a dust remover 105, solid materials after solid-liquid separation and liquid materials after solid-liquid separation are injected from the solid material inlet 103, the liquid materials after solid-liquid separation are sprayed from the spray device 5, the dry quenching furnace 1 adopts a fluidized state to burn more thoroughly, and after dust removal is carried out on a burnt mixer through the dust remover 105, the waste heat recovery device 2 carries out waste heat recovery.
The implementation working principle of the coke dry quenching waste heat energy recycling and coking wastewater treatment system provided by the invention is as follows:
when the device is used, the coking waste liquid passes through the solid-liquid separation device 3, and the separated solid material and liquid material are respectively injected into the dry quenching furnace 1 for combustion, so that the problem that spraying equipment is easy to block can be effectively avoided, wherein when the coking waste liquid enters the shell 6 of the solid-liquid separation device 3, the electromagnet 22 on one side is controlled to be connected with a power supply, the diversion switching mechanism 9 realizes the switching of the diversion direction, the coking waste liquid flows into the filtrate chamber 11 on the side from the diversion direction, the coking waste liquid flows into the filtrate chamber 11 and then is subjected to solid-liquid separation through the filter screen 13, the liquid material is uniformly collected through the liquid accumulation chamber 21, the cam 10 above the filtrate chamber 11 on the other side is driven to rotate by the ratchet 905 of the diversion switching mechanism 9 in the rotating process of the diversion switching mechanism 9, so as to control the liquid pressing mechanism above the filtrate chamber 11 on the side to press liquid, and after the liquid pressing is completed, the electromagnet 22 contacts a signal to control the positive and negative motor 24 to work, positive and negative motor 24 drives the scraping wings 18 of guide bar 17 one end through pinion rack 20 and discharges through solid material discharge mechanism 23 to the solid material that above-mentioned fluid pressing was accomplished, solid material is handled in the opposite side filtrate chamber 11 after, the water conservancy diversion switching mechanism 9 of secondary control carries out the water conservancy diversion and switches, switch the in-process, accomplish the processing of coking waste liquid in the filtrate chamber 11 of above-mentioned this side again, so relapse, when realizing incessant confession coking waste liquid, realize the solid-liquid separation of coking waste liquid, high efficiency, only need set for water conservancy diversion switching mechanism 9 switching time according to the volume that coking waste liquid was handled at every turn can.
The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, 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. The utility model provides a dry quenching waste heat recovery utilizes and coking wastewater treatment system, includes dry quenching stove (1) and waste heat recovery device (2), its characterized in that: the device also comprises a solid-liquid separation device (3), a screw conveyor (4) and a spraying device (5), after coking waste liquid is treated by the solid-liquid separation device (3), solid materials are conveyed to the upper part of the inside of the dry quenching furnace (1) through the screw conveyor (4), liquid materials are conveyed to the lower part of the inside of the dry quenching furnace (1) through the spraying device (5), mixed gas treated by the dry quenching furnace (1) is subjected to heat energy recovery through the waste heat recovery device (2),
the solid-liquid separation device (3) comprises a shell (6), a wastewater inlet (7) is arranged at the top of an inner cavity of the shell (6), a diversion switching mechanism (9) is connected below the wastewater inlet (7), cams (10) and filtrate chambers (11) are arranged on two sides of the interior of the shell (6), electromagnets (22) are arranged on the side walls of the filtrate chambers (11) and the side walls of the diversion switching mechanism (9), a filter screen (13) is connected to the bottom of the filtrate chambers (11), a hydraulic press mechanism is arranged inside the filtrate chambers (11), the diversion switching mechanism (9) is connected with the hydraulic press mechanism through the cams (10), guide rods (17) penetrate between the bottoms of the two groups of filtrate chambers (11), material pushing plates (18) are fixed at two ends of the guide rods (17), and a support seat (12) is connected between the two groups of filtrate chambers (11), be fixed with positive and negative motor (24) on supporting seat (12), positive and negative motor (24) with electro-magnet (22) electric connection, the output cover of positive and negative motor (24) is equipped with and pushes away material gear (19), the bottom intermediate position of guide bar (17) be equipped with push away material gear (19) engaged with pinion rack (20), filtrating room (11) are kept away from the one end of guide bar (17) be equipped with the solid material discharge mechanism (23) that screw conveyer (4) are connected, the bottom of casing (6) be equipped with amasss room (21) that spray set (5) are connected.
2. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, wherein: the dry quenching furnace (1) comprises a furnace body (101), a solid material inlet (103) connected with the screw conveyor (4) is formed in one side of the top of the furnace body (101), a fluidized bed (102) is arranged at the bottom of an inner cavity of the furnace body (101), a spraying disc (104) connected with the spraying device (5) is arranged below the fluidized bed (102), and the top of the furnace body (101) is connected with the waste heat recovery device (2) through the dust remover (105).
3. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, wherein: the top of casing (6) is equipped with waste water import (7), intake baffle (8) are located under waste water import (7).
4. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, characterized in that: the hydraulic mechanism comprises a pressure plate (14), the pressure plate (14) is connected to the top of an inner cavity of the filtrate chamber (11) through a first spring (16), a pressure rod (15) is fixed to the top of the pressure plate (14), and the bottom end of the pressure rod (15) is attached to the outer wall of the cam (10).
5. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, characterized in that: the diversion switching mechanism (9) comprises a driving shaft (901), two groups of flow baffle plates (902) are fixedly sleeved on the outer wall of the driving shaft (901), the end portion of the driving shaft (901) is connected with a driving gear (903), one side of the driving gear (903) is meshed with a driven gear (904), a ratchet wheel (905) is sleeved on a middle shaft of the driven gear (904), the directions of the ratchet wheels (905) at two ends are opposite, the ratchet wheel (905) at one end is connected with the cam (10) at one side through a first transmission belt (906), and the ratchet wheel (905) at the other end is connected with the cam (10) at the other side through a second transmission belt (907).
6. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, wherein: and electromagnets (22) are fixed on one side wall of each of the two groups of diversion switching mechanisms (9) far away from each other, and the electromagnets (22) fixed on the filtrate chamber (11) are positioned on one side of the electromagnets (22) fixed on the diversion switching mechanisms (9).
7. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, wherein: the solid material discharging mechanism (23) comprises a discharging hole (231) formed in the side wall of the shell (6), a sliding plug (232) is connected to the inside of the discharging hole (231) in a sealing mode, an end cover (233) is arranged at one end, extending out of the discharging hole (231), of the sliding plug (232), and a second spring (234) is connected between the end cover (233) and the side wall of the shell (6).
8. The coke dry quenching waste heat energy recycling and coking wastewater treatment system as claimed in claim 1, wherein: the two sets of through holes are formed in one side wall, close to each other, of the filtrate chamber (11), the guide rods (17) penetrate through the through holes in the two sides, and when the solid material discharge mechanism (23) penetrates through the through hole in one side to discharge solid materials, the solid material discharge mechanism (23) is located inside the through hole in the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402251.7A CN114717012B (en) | 2022-04-18 | 2022-04-18 | Dry quenching waste heat energy recycling and coking wastewater treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402251.7A CN114717012B (en) | 2022-04-18 | 2022-04-18 | Dry quenching waste heat energy recycling and coking wastewater treatment system |
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| CN114717012A true CN114717012A (en) | 2022-07-08 |
| CN114717012B CN114717012B (en) | 2023-03-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118089858A (en) * | 2024-04-24 | 2024-05-28 | 江西省化学工业设计院 | Dynamic monitoring system and method for lithium carbonate precipitation reaction process |
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| CN114717012B (en) | 2023-03-10 |
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