CN218709774U - Furfural effluent disposal system - Google Patents
Furfural effluent disposal system Download PDFInfo
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- CN218709774U CN218709774U CN202222916245.1U CN202222916245U CN218709774U CN 218709774 U CN218709774 U CN 218709774U CN 202222916245 U CN202222916245 U CN 202222916245U CN 218709774 U CN218709774 U CN 218709774U
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- tank
- net
- furfural
- treatment system
- wastewater treatment
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- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000002351 wastewater Substances 0.000 claims abstract description 27
- 238000004332 deodorization Methods 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 35
- 238000005373 pervaporation Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 12
- 230000008020 evaporation Effects 0.000 abstract description 12
- 239000007787 solid Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 7
- 239000004519 grease Substances 0.000 abstract description 5
- 239000005416 organic matter Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 21
- 238000001556 precipitation Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000001877 deodorizing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model relates to a furfural wastewater treatment system, which belongs to the technical field of furfural wastewater treatment, and comprises a deodorization tank, a heater, an evaporator, a primary sedimentation tank and a secondary sedimentation tank which are arranged in series; capturing nets which are obliquely arranged are arranged in the primary settling tank and the secondary settling tank, and an oil discharge pipe is arranged on the side where the high end of each capturing net is located; an active carbon packing layer is arranged in the deodorization tank; an outlet pipe of the secondary sedimentation tank is communicated with an inlet of the deodorization tank; the heater is arranged between the deodorization tank and the evaporator; the catching net is provided with two layers which are arranged in parallel, and the mesh of the lower catching net is larger than that of the upper catching net; the oil drain pipe is arranged between the two layers of catching nets. The utility model discloses can effectively get rid of the grease form material and the suspended solid in the furfural waste water to can effectively deodorize, remove the organic matter, scale deposit and stink when reducing the evaporation escape.
Description
Technical Field
The utility model belongs to the technical field of furfural waste water treatment, specific theory relates to a furfural effluent disposal system.
Background
A large amount of waste water is generated in the furfural production process, and the amount of the waste water is about 24 times of the furfural yield. The furfural wastewater belongs to organic wastewater which is difficult to treat, contains acetic acid, furfural, grease-like substances, high-boiling-point organic matters, solid suspended matters and the like, and has poor biodegradability. The prior art generally utilizes evaporation to purify waste water, because contains a large amount of organic matters in the waste liquid, breeds a large amount of bacteriums, has great stink, and when the evaporation, the stink escapes and causes the influence to the health of production workman, and suspended solid etc. can produce the scale deposit in the evaporation process, influences the evaporation effect.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model provides a furfural wastewater treatment system, which utilizes a catching net to catch grease-like substances and suspended substances by arranging a sedimentation tank with the catching net, can improve the removal rate of the grease-like substances and the suspended substances by arranging a double-layer catching net, and reduces the influence of the suspended substances on the evaporation effect; in addition, through the deodorization jar that sets up the active carbon packing layer, can effectively get rid of the stink in the furfural waste water, improve the evaporation environment.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the furfural wastewater treatment system comprises a deodorization tank, a heater, an evaporator, a primary sedimentation tank and a secondary sedimentation tank which are arranged in series; capturing nets which are obliquely arranged are arranged in the primary settling tank and the secondary settling tank, and an oil discharge pipe is arranged on the side where the high end of each capturing net is located; an active carbon packing layer is arranged in the deodorization tank; an outlet pipe of the secondary sedimentation tank is communicated with an inlet of the deodorization tank; the heater is disposed between the deodorization tank and the evaporator.
Preferably, the catching net is provided with two layers which are arranged in parallel, and the meshes of the lower catching net are larger than those of the upper catching net; the oil drain pipe is arranged between the two layers of catching nets.
Preferably, the primary settling tank is higher than the secondary settling tank.
Preferably, the device also comprises a pervaporation membrane module; the pervaporation membrane assembly is arranged between the heater and the evaporator; the permeable membrane used in the pervaporation membrane module is a membrane which is penetrated by organic liquid preferentially.
Preferably, the pervaporation membrane module comprises a pervaporation membrane device, a condenser, a vacuum pump and a condensate collecting tank; the condenser is connected between the pervaporation membrane equipment and the vacuum pump, and the condensate collecting tank is connected with the condenser; and a water phase discharge pipe of the pervaporation membrane device is connected with the evaporator.
Preferably, the pervaporation membrane is a PDMS composite membrane with high permeation flux.
Preferably, the liquid inlet pipe of the furfural wastewater is connected with the primary sedimentation tank, and the liquid inlet pipe is positioned below the capture net.
Preferably, the inner wall of the settling tank is provided with a support ring, the catching net is detachably arranged in the settling tank through the support ring, and the upper end face of the catching net is provided with a handle.
The utility model has the advantages that:
the utility model discloses a setting has the gunbarrel who catches the net, utilizes to catch the net and catches grease form material, sets up in the gunbarrel through catching the slope of net to arrange the oil pipe setting in the high-end side of catching the net, can make grease form material catch when the net of catching rises along the lower terminal surface of catching the net, the enrichment back is discharged through arranging the oil pipe. Set up double-deck net of catching, the lower floor catches the net and mainly plays the effect that increases the lift resistance on the waste water, makes waste water more be close quiescent condition, improves the separation effect of greasy matter, suspended solid and waste water. And because the suspended matters are effectively removed, the influence of the suspended matters on the evaporation process can be reduced.
The utility model discloses a setting has the deodorization jar of active carbon packing layer, can effectively get rid of the stink in the furfural waste water, and with the deodorization jar setting after the two-stage sedimentation tank, reuse active carbon deodorization after getting rid of oily material and suspended solid in the furfural waste water, can reduce the influence of oily material and suspended solid to the active carbon, the life of extension active carbon.
The utility model discloses a set up pervaporation membrane module, can get rid of the organic matter in the furfural waste water, reduce the influence of organic matter to the evaporation.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a sectional view of the primary/secondary settling tank of the present invention;
FIG. 3 is a top view of the arrangement structure of the support rings in the settling tank;
fig. 4 is a schematic view of the overall structure of embodiment 2 of the present invention;
in the figure, 1-deodorization tank, 2-heater, 3-evaporator, 4-primary settling tank, 5-secondary settling tank, 6-catching net, 7-oil discharge pipe, 8-active carbon packing layer, 9-pervaporation membrane device, 10-condenser, 11-vacuum pump, 12-condensate collecting tank, 13-support ring, 14-handle, 15-solid discharge pipe and 16-liquid outlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
Example 1
As shown in fig. 1-3, the furfural wastewater treatment system comprises a primary precipitation tank 4, a secondary precipitation tank 5, a deodorization tank 1, a heater 2 and an evaporator 3 which are connected in series.
All be equipped with the seizure net 6 that the slope set up in one-level gunbarrel 4 and the second grade gunbarrel 5, catch net 6 and be netted partition structure such as stainless wire net, set up two-layerly, and two-layer parallel arrangement. The mesh of the lower catching net is larger than that of the upper catching net. An oil discharge pipe 7 is arranged on the side where the high end of the catching net 6 is located, and the oil discharge pipe 7 is arranged between the two layers of catching nets. The furfural wastewater is captured by the capturing net 6 in the rising process, rises along the lower end surface of the capturing net 6 under the blocking of the capturing net 6, is enriched at the side of the high end of the capturing net 6 and is discharged through the oil discharge pipe 7. The lower catching net mainly plays a role in increasing the lifting resistance of the wastewater, so that the wastewater is closer to a static state, the oil-like substances can be more favorably lifted, the suspended substances can be more favorably sunk, and the separation effect of the oil-like substances, the suspended substances and the wastewater can be improved. The bottom of the first-stage precipitation tank 4 and the bottom of the second-stage precipitation tank 5 are both provided with a solid discharge pipe 15, and the solid discharge pipe 15 is provided with a valve, so that solid discharge can be performed regularly, and the deposited suspended matters are discharged.
The liquid outlets of the first-stage precipitation tank 4 and the second-stage precipitation tank 5 are arranged above the catching net 6 and are lower than the high end of the catching net 6. One-level precipitation tank 4 is a little higher than second grade precipitation tank 5, and the drain pipe 16 of one-level precipitation tank 4 directly communicates to the inlet of second grade precipitation tank 5, and the interior waste water utilization difference in one-level precipitation tank 4 gets into second grade precipitation tank 5, for carrying with power such as delivery pump, utilizes the difference in height to carry and can reduce the velocity of flow of waste water in second grade precipitation tank 5, makes waste water more be close quiescent condition in the second grade precipitation tank 5, more is favorable to the layering of grease form material, suspended solid and waste water. The height difference between the first-stage precipitation tank 4 and the second-stage precipitation tank 5 can be adjusted according to the wastewater treatment capacity in actual use.
After the grease-like substances are captured, the meshes of the capturing net 6 are easily blocked, the grease-like substances need to be cleaned regularly, so that the capturing net 6 can be taken out and cleaned conveniently, support rings 13 are arranged on the inner walls of the primary settling tank 4 and the secondary settling tank 5, the capturing net 6 is supported in the settling tanks through the support rings 13, and handles 14 are arranged on the upper end faces of the capturing net 6. When the net 6 needs to be taken out for cleaning, the net 6 is taken out by the handle 14. Catch net 6 and be stainless steel, it is comparatively stable in the gunbarrel, consequently need not additionally fix. However, the utility model discloses the use of can fixing and catching 6 structures is not excluded, in view of fixing the filter screen at the internal conventional structure that is of jar, no matter use any form the mounting will catch the improvement that net 6 further fixed in the setting tank and do not all exceed the utility model discloses a scope of protection.
First order gunbarrel 4 and second grade gunbarrel 5 are drum jar or square jar, if be drum jar, then catch net 6 and need process for the ellipse, and the required precision to the machining dimension is higher, the processing degree of difficulty is great, in order to reduce the processing degree of difficulty of catching net 6, but preferred square jar.
Be equipped with activated carbon packing layer 8 in deodorizing tank 1, the export pipe of second grade gunbarrel 5 and deodorizing tank 1's import intercommunication, the furfural waste water through getting rid of grease form material and suspended solid is sent to deodorizing tank 1, gets rid of the stink under the adsorption of activated carbon, avoids the stink to escape when the evaporation, influences the operational environment. Because the greasy substance can wrap the active carbon and the fine suspended particles can block the porous structure of the active carbon, the deodorization tank 1 is arranged behind the two-stage sedimentation tank, and the active carbon is used for deodorization after the greasy substance and the suspended substance in the furfural wastewater are removed, so that the influence of the greasy substance and the suspended substance on the active carbon can be reduced, and the service life of the active carbon is prolonged.
The waste water deodorized from the deodorization tank 1 is heated by the heater 2 and sent to the evaporator 3 for evaporation and further purification.
Example 2
As shown in fig. 4, this embodiment is different from embodiment 1 in that a pervaporation membrane module is added in this embodiment, and the rest is the same as embodiment 1, and this embodiment mainly describes the pervaporation membrane module.
The permeable membrane used in the pervaporation membrane module is a permeable membrane for organic liquid, and the pervaporation membrane module comprises a pervaporation membrane device 9, a condenser 10, a vacuum pump 11 and a condensate collecting tank 12. The condenser 10 is connected between the pervaporation membrane device 9 and the vacuum pump 11, the condensate collecting tank 12 is connected with the condenser 10, and the water phase discharge pipe of the pervaporation membrane device 9 is connected with the evaporator 3. Under the vacuum condition, organic substances permeate the membrane preferentially through the organic liquid and are vaporized in a gas phase chamber of the membrane, the vaporized organic substances are condensed by a condenser 10 and then enter a condensate collecting tank 12, and the condensed organic substances are treated additionally. The waste water from which the organic substances are separated is sent to the evaporator 3 to be evaporated. By removing the organic matters, the escape of the organic matters during evaporation can be reduced, and the influence of the escape of the organic matters on the working environment is reduced.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. A furfural wastewater treatment system is characterized by comprising a deodorization tank (1), a heater (2), an evaporator (3), a primary sedimentation tank (4) and a secondary sedimentation tank (5) which are arranged in series; capturing nets (6) which are obliquely arranged are arranged in the primary settling tank (4) and the secondary settling tank (5), and an oil discharge pipe (7) is arranged on the side where the high end of each capturing net (6) is located; an active carbon packing layer (8) is arranged in the deodorization tank (1); an outlet pipe of the secondary sedimentation tank (5) is communicated with an inlet of the deodorization tank (1); the heater (2) is arranged between the deodorization tank (1) and the evaporator (3).
2. The furfural wastewater treatment system according to claim 1, wherein the capturing net (6) is provided with two layers, the two layers are arranged in parallel, and the mesh of the lower capturing net is larger than that of the upper capturing net; the oil drain pipe (7) is arranged between the two layers of catching nets (6).
3. The furfural wastewater treatment system according to claim 1, wherein the primary settling tank (4) is higher than the secondary settling tank (5).
4. The furfural wastewater treatment system according to any one of claims 1 to 3, further comprising a pervaporation membrane module; the pervaporation membrane assembly is arranged between the heater (2) and the evaporator (3); the permeable membrane used in the pervaporation membrane module is a membrane which is penetrated by organic liquid preferentially.
5. The furfural wastewater treatment system according to claim 4, wherein the pervaporation membrane module comprises a pervaporation membrane device (9), a condenser (10), a vacuum pump (11) and a condensate collection tank (12); the condenser (10) is connected between the pervaporation membrane device (9) and the vacuum pump (11), and the condensate collecting tank (12) is connected with the condenser (10); and a water phase discharge pipe of the pervaporation membrane device (9) is connected with the evaporator (3).
6. The furfural wastewater treatment system according to claim 4, wherein the pervaporation membrane used is a PDMS composite membrane with high permeation flux.
7. The furfural waste water treatment system according to claim 1, wherein the liquid inlet pipe of the furfural waste water is connected with the primary sedimentation tank (4), and the liquid inlet pipe is positioned below the catching net (6).
8. The furfural wastewater treatment system according to claim 2, wherein a support ring (13) is arranged on the inner wall of each of the primary sedimentation tank (4) and the secondary sedimentation tank (5), the catching net (6) is detachably arranged in the sedimentation tanks through the support rings (13), and a handle (14) is arranged on the upper end face of the catching net (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222916245.1U CN218709774U (en) | 2022-11-03 | 2022-11-03 | Furfural effluent disposal system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222916245.1U CN218709774U (en) | 2022-11-03 | 2022-11-03 | Furfural effluent disposal system |
Publications (1)
Publication Number | Publication Date |
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CN218709774U true CN218709774U (en) | 2023-03-24 |
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CN202222916245.1U Active CN218709774U (en) | 2022-11-03 | 2022-11-03 | Furfural effluent disposal system |
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CN (1) | CN218709774U (en) |
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2022
- 2022-11-03 CN CN202222916245.1U patent/CN218709774U/en active Active
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