CN212669370U

CN212669370U - Waste water recovery processing apparatus of furfural production

Info

Publication number: CN212669370U
Application number: CN202020892263.9U
Authority: CN
Inventors: 范子久; 贺乾龙; 郝文政; 王帅; 段来阁; 马喜杰; 王明志; 吕印成
Original assignee: Henan Heli Energy Co ltd
Current assignee: Henan Heli Energy Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-03-09
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a wastewater recovery processing device for furfural production, which comprises a wastewater extraction component, a particle filtration component, a dissolved gas component, a separation component, an oil discharge component and a clear water recovery component, wherein the water outlet of a screw pump of the wastewater extraction component is connected with the upper end of one side of a coarse particle filtration tank of the particle filtration component through a conduit, the lower end outlet of one side of a fine particle filtration tank of the particle filtration component is connected with the inlet of an air floatation tank of the separation component through a conduit, gas collected in the air floatation tank can be pumped into the dissolved gas tank through a dissolved gas pump, the gas can be dissolved through the dissolved gas tank, and the undissolved gas is flushed and guided into the air floatation tank through the conduit 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

Waste water recovery processing apparatus of furfural production

Technical Field

The utility model relates to a furfural production technical field specifically is a waste water recovery processing apparatus of 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 to-be-solved technical problem of the utility model is to overcome current defect, provide a waste water recovery processing device of furfural production, simple structure adopts coarse graining + fine graining + gravity separation to purify waste water, and the purification rate can reach more than 90%, and the deoiling effect is better, has improved deoiling efficiency, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a 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 beneficial effects of the utility model are that: this waste water recovery processing apparatus of furfural production has following benefit:

1. the utility model discloses on set up the wastewater disposal basin, can hold waste water through the wastewater disposal basin, can extract the inside upper end of coarse particle filtration jar of particle filtration subassembly with the waste water in the wastewater disposal basin through the screw pump, 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 lead into inside the clean water basin with water through L aqueduct one.

2. The utility model discloses on set up the coarse grain filtration jar, can filter the large granule in the waste water through the coarse grain filtration jar, then clear water through in the clean water basin washs the large granule repeatedly, waste water after handling through the coarse grain filtration jar enters into the inside of fine particle filtration jar, can filter the tiny granule in the waste water through the fine particle filtration jar for it is better to pretreatment of water effect, the back flush sewage deposits back sewage and discharges to sewage treatment system through tee bend pipe and handle.

3. The utility model discloses on set up dissolved air pump, can be with the gas suction of collecting in the air supporting pond to the inside of dissolving the gas pitcher through dissolving the gas pitcher, can dissolve gas through dissolving the gas pitcher, the gas that does not dissolve washes through the pipe and introduces into the air supporting pond, dissolve with this circulation, make and dissolve the effect better, this waste water recovery processing apparatus of furfural production, moreover, the steam generator is simple in structure, adopt coarse graining + fine graining + gravity separation to purify waste water, the purification rate can reach more than 90%, the deoiling effect is better, deoiling efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the flow direction 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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, can dissolve gas through dissolving gas pitcher 31, undissolved gas washes leading-in to the air supporting pond 41 through the pipe, dissolve with this circulation, make the dissolving effect better, clear water recovery subassembly 6 includes clean water basin 61, one side lower extreme of clean water basin 61 is equipped with the export, one side of this export is equipped with two 62 of L aqueduct, be equipped with valve three on two 62 of L aqueduct, can hold the water after the separation through clean water basin 61, oil extraction subassembly 5 includes oil storage tank 51 and oil extraction screw pump 52, the import of oil extraction screw pump 52 passes through the pipe and is connected with the exit linkage of oil storage tank 51, one side import of oil storage tank 51 passes through the pipe and is connected with the middle oil-out in air supporting pond 41 one side, can extract away the oil in the oil storage tank 51 through oil extraction screw pump 52, store oil and corning through oil storage tank 51, and the nozzle shower nozzle in the oil storage tank 51 is four.

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

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.