CN111573873A - Waste water recovery processing apparatus of furfural production - Google Patents
Waste water recovery processing apparatus of furfural production Download PDFInfo
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- CN111573873A CN111573873A CN202010448902.7A CN202010448902A CN111573873A CN 111573873 A CN111573873 A CN 111573873A CN 202010448902 A CN202010448902 A CN 202010448902A CN 111573873 A CN111573873 A CN 111573873A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 87
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000011084 recovery Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000001914 filtration Methods 0.000 claims abstract description 57
- 239000011362 coarse particle Substances 0.000 claims abstract description 32
- 239000010419 fine particle Substances 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims description 20
- 238000005188 flotation Methods 0.000 claims description 11
- 238000003809 water extraction Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 7
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005469 granulation Methods 0.000 abstract description 6
- 230000003179 granulation Effects 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 description 9
- 239000002253 acid Substances 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin Substances 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
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
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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
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a wastewater recovery processing device for furfural production, which comprises a wastewater extraction assembly, a particle filtering assembly, a dissolved gas assembly, a separation assembly, an oil discharge assembly and a clear water recovery assembly, wherein a water outlet of a screw pump of the wastewater extraction assembly is connected with an inlet at the upper end of one side of a coarse particle filtering tank of the particle filtering assembly through a guide pipe, an outlet at the lower end of one side of a fine particle filtering tank of the particle filtering assembly is connected with an inlet of an air floatation tank of the separation assembly through a guide pipe, gas collected in the air floatation tank can be pumped into a dissolved gas tank through a dissolved gas pump, the gas can be dissolved through the dissolved gas tank, undissolved gas is flushed and guided into the air floatation tank through the guide pipe so as to be circularly dissolved, so that the dissolving effect is better, and the wastewater recovery processing device for furfural production adopts coarse granulation, fine granulation and gravity separation to purify wastewater, the purification rate can reach more than 90%, the oil removing effect is better, and the oil removing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of furfural production, in particular to a wastewater recovery treatment device for furfural production.
Background
At present, the recycling rate of the wastewater in the furfural industry is low, and most domestic enterprises directly discharge the wastewater produced by furfural to a sewage treatment device or an acid mixing process for a production system. The waste water generated at the bottom of the furfural primary distillation tower is the residue of aldehyde steam generated by furfural hydrolysis after distillation, the waste water contains a small amount of oily substances, and the waste water frequently blocks an acid preparation pipeline when used for mixing acid in a waste water tank. Since the environmental protection situation in 2017 is severe, a plurality of furfural manufacturers increase waste water evaporators in many times to reduce the discharge of waste water, the waste water evaporators evaporate the waste water in a heat exchange mode to generate secondary steam for a hydrolysis process, but the waste water contains oily substances to cause the blockage of a heat exchange pipe of the waste water evaporator, the generated secondary steam pressure is low, the waste water treatment capacity is low, the end socket is coked seriously, the flushing is difficult and the like.
Disclosure of Invention
The invention aims to overcome the existing defects and provides a wastewater recovery treatment device for furfural production, which has a simple structure, purifies wastewater by adopting coarse granulation, fine granulation and gravity separation, has a purification rate of over 90 percent, has a better oil removal effect, improves the oil removal efficiency, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a waste water recovery processing apparatus of furfural production, includes waste water extraction subassembly, particle filtration subassembly, dissolves gas subassembly, separator assembly, oil extraction subassembly and clear water recovery subassembly, the screw pump delivery port of waste water extraction subassembly passes through pipe and particle filtration subassembly's coarse grain filtration jar one side upper end access connection, particle filtration subassembly's fine grain filtration jar one side lower extreme export passes through the access connection of pipe and separator assembly's air supporting pond, dissolve gas subassembly's dissolved gas pump air inlet passes through pipe and separator assembly's the cover upper end gas outlet of breathing in and is connected, dissolve gas subassembly's dissolved gas jar one side export passes through pipe and separator assembly's air supporting pond one side access connection, the import of oil storage tank of oil extraction subassembly passes through pipe and separator assembly's air supporting pond one side upper end exit linkage, clear water recovery subassembly's clear water pond upper end opening corresponds with a separator assembly's L aqueduct export, and the L water guide pipe II of the clear water recovery component is connected with an opening on the upper surface of the coarse particle filtering tank of the particle filtering component.
Further, waste water extraction subassembly includes the wastewater disposal basin, and one side lower extreme of wastewater disposal basin is equipped with the delivery port, the delivery port of wastewater disposal basin passes through pipe and the access connection of hob pump, can hold waste water through the wastewater disposal basin, can extract the inside upper end of coarse particle filter jar of particle filter subassembly with the waste water in the wastewater disposal basin through the hob pump.
Furthermore, the particle filtering component comprises a coarse particle filtering tank and a fine particle filtering tank, the upper end and the lower end of the side surfaces of the coarse particle filtering tank and the fine particle filtering tank are respectively provided with an inlet and an outlet, the outlet of the coarse particle filtering tank is connected with the inlet of the fine particle filtering tank through a guide pipe, a three-way guide pipe is connected between the outlets of the lower ends of the coarse particle filtering tank and the fine particle filtering tank, the connecting part of the three-way guide pipe and the connecting part of the coarse particle filtering tank and the connecting part of the fine particle filtering tank are respectively provided with a first valve, large particles in the wastewater can be filtered through the coarse particle filtering tank, then the large particles are repeatedly cleaned through clean water in a clean water tank, the wastewater treated through the coarse particle filtering tank enters the inside of the fine particle filtering tank, fine particles in the wastewater can be filtered through the fine particle filtering tank, so that the pretreatment effect on water is, and after the back-flushing sewage is precipitated, the sewage is discharged to a sewage treatment system through a three-way guide pipe for treatment.
Further, the separation module includes the air supporting pond, the upper end in air supporting pond is equipped with the cover of breathing in of toper structure, be equipped with the export in the middle of the upper end of the cover of breathing in, one side lower extreme in air supporting pond is equipped with L aqueduct one, and is equipped with the oil-out in the middle of one side in air supporting pond, and the inside in air supporting pond is entered into through the pipe to the water after the preliminary treatment, can carry out the layering to oil and water through the air supporting pond, can derive the oil of upper end in the air supporting pond through the oil-out, can be leading-in inside the clean water basin with water through L aqu.
Further, dissolve the gas subassembly including dissolving the gas pitcher and dissolving the air pump, the gas outlet that dissolves the gas pitcher passes through the pipe and dissolves the access connection of gas pitcher upper end, the upper end of dissolving the gas pitcher is equipped with gaseous blow-down pipe, is equipped with valve two on the gaseous blow-down pipe, can dissolve the gas suction of collecting in the air supporting pond to the inside of dissolving the gas pitcher through dissolving the air pump, can dissolve gas through dissolving the gas pitcher, and the gas that does not dissolve washes leading-in to the air supporting pond through the pipe to this circulates and dissolves, makes the dissolving effect better.
Further, the clear water recovery assembly comprises a clear water tank, an outlet is formed in the lower end of one side of the clear water tank, an L water guide pipe II is arranged on one side of the outlet, a valve III is arranged on the L water guide pipe II, and separated water can be contained in the clear water tank.
Further, the oil extraction subassembly includes oil storage tank and oil extraction screw pump, the exit linkage of pipe and oil storage tank is passed through in the import of oil extraction screw pump, the oil-out that one side import of oil storage tank was passed through in the middle of pipe and the air supporting pond one side is connected, can go out the oil extraction in the oil storage tank through oil extraction screw pump, stores oil through the oil storage tank, and the glib talker shower nozzle in the oil storage tank is four.
Compared with the prior art, the invention has the beneficial effects that: this waste water recovery processing apparatus of furfural production has following benefit:
1. the waste water tank is arranged on the oil-water separation device, waste water can be contained through the waste water tank, waste water in the waste water tank can be pumped to the upper end of the inner part of the coarse particle filtering tank of the particle filtering component through the spiral rod pump, oil and water can be layered through the air flotation tank, oil at the upper end of the air flotation tank can be led out through the oil outlet, and water can be led into the clean water tank through the first L water guide pipe.
2. The large particles in the wastewater can be filtered through the coarse particle filter tank, then the large particles are repeatedly cleaned through the clear water in the clear water tank, the wastewater treated by the coarse particle filter tank enters the fine particle filter tank, fine particles in the wastewater can be filtered through the fine particle filter tank, the pretreatment effect on the water is better, and the wastewater after the back washing wastewater is precipitated is discharged to a wastewater treatment system through the three-way conduit for treatment.
3. The furfural production wastewater recovery treatment device is simple in structure, adopts coarse granulation, fine granulation and gravity separation to purify wastewater, has a purification rate of over 90 percent, has a better oil removal effect, and improves the oil removal efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the flow structure of the present invention.
In the figure: the device comprises a waste water pumping assembly 1, a waste water tank 11, a spiral rod pump 12, a particle filtering assembly 2, a three-way guide pipe 21, a coarse particle filtering tank 22, a fine particle filtering tank 23, a dissolved air assembly 3, a dissolved air tank 31, an air emptying pipe 32, a dissolved air pump 33, a separation assembly 4, a 41 air flotation tank, a 42 air suction cover, a first 43L water guide pipe, a first 5 oil discharge assembly, a 51 oil storage tank, a spiral oil discharge pump 52, a clean water recovery assembly 6, a clean water tank 61 and a second 62L water guide pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a waste water recovery processing apparatus of furfural production, including waste water extraction subassembly 1, granule filtering component 2, dissolve gas subassembly 3, separator assembly 4, oil extraction subassembly 5 and clear water recovery subassembly 6, the export of the 12 delivery ports of screw pump of waste water extraction subassembly 1 passes through pipe and coarse grain filter tank 22 one side upper end access connection of granule filtering component 2, the export of the fine grain filter tank 23 one side lower extreme of granule filtering component 2 passes through pipe and the access connection of separator assembly 4's air supporting pond 41, dissolve gas subassembly 3 dissolve the air pump 33 air inlet and be connected with separator assembly 4's suction hood 42 upper end gas outlet through the pipe, dissolve gas subassembly 3 dissolve gas jar 31 one side export and pass through pipe and separator assembly 4's air supporting pond 41 one side access connection, the import of oil storage tank 51 of oil extraction subassembly 5 passes through pipe and separator assembly 4's 41 one side upper end exit linkage, clear water recovery subassembly 6's clear water pond 61 upper end opening corresponds with a 43 export of the L aqueduct of separator assembly 4 The L water guide pipe II 62 of the clear water recovery component 6 is connected with an upper surface opening of the coarse particle filter tank 22 of the particle filter component 2, the wastewater extraction component 1 comprises a wastewater pool 11, a water outlet is arranged at the lower end of one side of the wastewater pool 11, the water outlet of the wastewater pool 11 is connected with an inlet of a screw rod pump 12 through a guide pipe, wastewater can be contained through the wastewater pool 11, the wastewater in the wastewater pool 11 can be extracted to the upper end inside the coarse particle filter tank 22 of the particle filter component 2 through the screw rod pump 12, the particle filter component 2 comprises a coarse particle filter tank 22 and a fine particle filter tank 23, the upper end and the lower end of the side surfaces of the coarse particle filter tank 22 and the fine particle filter tank 23 are respectively provided with an inlet and an outlet, the outlet of the coarse particle filter tank 22 is connected with the inlet of the fine particle filter tank 23 through a guide pipe, and a three-way guide pipe 21 is connected between the lower end outlet, the joints of the three-way conduit 21, the coarse particle filter tank 22 and the fine particle filter tank 23 are respectively provided with a first valve, the coarse particle filter tank 22 is internally filtered in an activated carbon adsorption mode, the fine particle filter tank 23 filters the wastewater through a membrane filter and an oil scraper, so that the filtering effect is better, the coarse particle filter tank 22 can filter large particles in the wastewater, then the large particles are repeatedly cleaned through clean water in a clean water tank 61, the wastewater treated by the coarse particle filter tank 22 enters the fine particle filter tank 23, fine particles in the wastewater can be filtered through the fine particle filter tank 23, so that the gravity treatment after oil bonding is combined, the oil removal efficiency is realized in a backwashing mode, the wastewater treatment capacity is ensured, the water pretreatment effect is better, and the wastewater after backwashing sewage precipitation is discharged to a sewage treatment system through the three-way conduit 21 for treatment, the separation component 4 comprises a floatation tank 41, the upper end of the floatation tank 41 is provided with an air suction cover 42 with a conical structure, the middle of the upper end of the air suction cover 42 is provided with an outlet, the lower end of one side of the floatation tank 41 is provided with an L water guide pipe I43, an oil outlet is arranged in the middle of one side of the floatation tank 41, pretreated water enters the interior of the floatation tank 41 through a guide pipe, oil and water can be layered through the floatation tank 41, the oil at the upper end of the floatation tank 41 can be led out through the oil outlet, the water can be led into the clear water tank 61 through the L water guide pipe I43, the air dissolving component 3 comprises an air dissolving tank 31 and an air dissolving pump 33, the air outlet of the air dissolving tank 31 is connected with the inlet at the upper end of the air dissolving tank 31 through a guide pipe, the upper end of the air dissolving tank 31 is provided with an air emptying pipe 32, the air emptying pipe 32 is provided with a, the gas can be dissolved through the dissolved gas tank 31, undissolved gas is flushed and guided into the floatation tank 41 through a guide pipe, so that the dissolution effect is better, the clean water recovery assembly 6 comprises a clean water tank 61, an outlet is arranged at the lower end of one side of the clean water tank 61, an L water guide pipe II 62 is arranged at one side of the outlet, a valve III is arranged on the L water guide pipe II 62, separated water can be contained through the clean water tank 61, the oil discharge assembly 5 comprises an oil storage tank 51 and an oil discharge screw pump 52, an inlet of the oil discharge screw pump 52 is connected with an outlet of the oil storage tank 51 through a guide pipe, an inlet of one side of the oil storage tank 51 is connected with an oil outlet in the middle of one side of the floatation tank 41 through a guide pipe, oil in the oil storage tank 51 can be extracted through the oil discharge screw pump 52, the oil and the tannin are stored through the oil storage tank 51, and oil nozzle nozzles in the oil.
When in use: waste water can be contained in the waste water tank 11, waste water in the waste water tank 11 can be pumped to the upper end inside the coarse particle filtering tank 22 of the particle filtering component 2 through the spiral rod pump 12, large particles in the waste water can be filtered through the coarse particle filtering tank 22, then the large particles are repeatedly cleaned through clear water in the clear water tank 61, the waste water treated through the coarse particle filtering tank 22 enters the fine particle filtering tank 23, fine particles in the waste water can be filtered through the fine particle filtering tank 23, so that the water pretreatment effect is better, sewage after sewage precipitation is discharged to a sewage treatment system through the three-way conduit 21 for treatment, the pretreated water enters the air flotation tank 41 through the conduit, oil and water can be layered through the air flotation tank 41, and oil at the upper end in the air flotation tank 41 can be led out through the oil outlet, can be leading-in to clear water pond 61 inside with water through L aqueduct 43, can dissolve the inside of gas pitcher 31 with the gaseous suction of collecting in the air supporting pond 41 through dissolving gas pump 33, can dissolve gas through dissolving gas pitcher 31, and the gas that does not dissolve washes leading-in to the air supporting pond 41 through the pipe to this carries out the circulation and dissolves, can go out the oil extraction in the oil storage tank 51 through oil extraction screw pump 52, stores oil through oil storage tank 51.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a waste water recovery processing apparatus of furfural production which characterized in that: including waste water extraction subassembly (1), particle filtration subassembly (2), dissolve gas subassembly (3), separator subassembly (4), oil extraction subassembly (5) and clear water recovery subassembly (6), the screw pump (12) delivery port of waste water extraction subassembly (1) passes through the pipe and the coarse grain filter jar (22) one side upper end access connection of particle filtration subassembly (2), the fine particle filter jar (23) one side lower extreme export of particle filtration subassembly (2) is through the pipe and the access connection of air supporting pond (41) of separator subassembly (4), dissolve gas pump (33) air inlet of gas subassembly (3) and be connected through pipe and the cover (42) upper end gas outlet of breathing in of separator subassembly (4), dissolve gas tank (31) one side export of gas jar (3) and pass through pipe and the air supporting pond (41) one side access connection of separator subassembly (4), the import of oil storage tank (51) of oil extraction subassembly (5) passes through the pipe and the air supporting of separator subassembly (4) The upper end of one side of the clean water recovery component (6) is connected with an outlet of a first L water guide pipe (43) of the separation component (4) through an opening at the upper end of a clean water tank (61), and the second L water guide pipe (62) of the clean water recovery component (6) is connected with an upper surface opening of a coarse particle filtering tank (22) of the particle filtering component (2).
2. The wastewater recovery processing device for furfural production according to claim 1, characterized in that: the waste water extraction assembly (1) comprises a waste water tank (11), a water outlet is formed in the lower end of one side of the waste water tank (11), and the water outlet of the waste water tank (11) is connected with an inlet of the spiral rod pump (12) through a guide pipe.
3. The wastewater recovery processing device for furfural production according to claim 1, characterized in that: particle filter subassembly (2) are equipped with import and export respectively including coarse particle filtration jar (22) and fine particle filtration jar (23), the side upper end and the lower extreme of coarse particle filtration jar (22) and fine particle filtration jar (23), the import connection of export through pipe and fine particle filtration jar (23) of coarse particle filtration jar (22), be connected with between the lower extreme export of coarse particle filtration jar (22) and fine particle filtration jar (23) tee bend pipe (21), tee bend pipe (21) are equipped with valve one respectively with the junction of coarse particle filtration jar (22) and fine particle filtration jar (23).
4. The wastewater recovery processing device for furfural production according to claim 1, characterized in that: the separation assembly (4) comprises an air flotation tank (41), an air suction cover (42) with a conical structure is arranged at the upper end of the air flotation tank (41), an outlet is formed in the middle of the upper end of the air suction cover (42), an L water guide pipe I (43) is arranged at the lower end of one side of the air flotation tank (41), and an oil outlet is formed in the middle of one side of the air flotation tank (41).
5. The wastewater recovery processing device for furfural production according to claim 1, characterized in that: dissolve gas subassembly (3) including dissolving gas pitcher (31) and dissolving gas pump (33), the gas outlet that dissolves gas pitcher (31) passes through the pipe and dissolves the access connection of gas pitcher (31) upper end, the upper end of dissolving gas pitcher (31) is equipped with gaseous blow-down pipe (32), is equipped with valve two on gaseous blow-down pipe (32).
6. The wastewater recovery processing device for furfural production according to claim 1, characterized in that: clear water recovery unit (6) are including clear water basin (61), one side lower extreme in clear water basin (61) is equipped with the export, and one side of this export is equipped with L aqueduct two (62), be equipped with valve three on the L aqueduct two (62).
7. The wastewater recovery processing device for furfural production according to claim 1, characterized in that: the oil drain assembly (5) comprises an oil storage tank (51) and an oil drain screw pump (52), wherein an inlet of the oil drain screw pump (52) is connected with an outlet of the oil storage tank (51) through a conduit, and an inlet of one side of the oil storage tank (51) is connected with an oil outlet in the middle of one side of the air flotation tank (41) through a conduit.
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| CN202010448902.7A CN111573873A (en) | 2020-05-25 | 2020-05-25 | Waste water recovery processing apparatus of furfural production |
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| CN105314766A (en) * | 2015-10-29 | 2016-02-10 | 重庆广际实业有限公司 | Wastewater treatment system for board production |
| CN206232518U (en) * | 2016-12-02 | 2017-06-09 | 李伟 | A kind for the treatment of device of oily sewage of oil field |
| CN206843284U (en) * | 2017-04-18 | 2018-01-05 | 任彦峰 | A kind of purifying domestic sewage reuse means |
| CN107162089A (en) * | 2017-07-12 | 2017-09-15 | 湖南美奕机电科技有限公司 | A kind of oil-water separating device for kitchen waste |
| CN208747685U (en) * | 2018-05-09 | 2019-04-16 | 武汉新天达美环境科技股份有限公司 | A kind of sewage disposal system with except grease function |
| CN110183067A (en) * | 2019-07-08 | 2019-08-30 | 太仓市凯斯汀精密压铸有限公司 | A kind of die casting is recycled to technique with release agent |
| CN110963601A (en) * | 2019-11-13 | 2020-04-07 | 赵世航 | Complex oily wastewater treatment device and wastewater treatment method and system thereof |
| CN212669370U (en) * | 2020-05-25 | 2021-03-09 | 河南禾力能源有限公司 | Waste water recovery processing apparatus of furfural production |
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Application publication date: 20200825 |