CN112661362A - Process for treating desizing wastewater by using special roll-type membrane - Google Patents
Process for treating desizing wastewater by using special roll-type membrane Download PDFInfo
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- CN112661362A CN112661362A CN202011619604.6A CN202011619604A CN112661362A CN 112661362 A CN112661362 A CN 112661362A CN 202011619604 A CN202011619604 A CN 202011619604A CN 112661362 A CN112661362 A CN 112661362A
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000012528 membrane Substances 0.000 title claims abstract description 52
- 230000008569 process Effects 0.000 title claims abstract description 49
- 239000002351 wastewater Substances 0.000 title claims abstract description 48
- 238000009990 desizing Methods 0.000 title claims abstract description 43
- 238000003756 stirring Methods 0.000 claims abstract description 91
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 241000894006 Bacteria Species 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract description 25
- 230000020477 pH reduction Effects 0.000 claims abstract description 25
- 239000000243 solution Substances 0.000 claims description 52
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 18
- 229920002472 Starch Polymers 0.000 claims description 18
- 239000008103 glucose Substances 0.000 claims description 18
- 239000008107 starch Substances 0.000 claims description 18
- 235000019698 starch Nutrition 0.000 claims description 18
- 239000000654 additive Substances 0.000 claims description 16
- 230000000996 additive effect Effects 0.000 claims description 16
- 239000011259 mixed solution Substances 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000003085 diluting agent Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 241000233866 Fungi Species 0.000 abstract 3
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000004043 dyeing Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of desizing wastewater treatment, and discloses a process for treating desizing wastewater by using a special roll-type membrane. This special roll of formula membrane treatment desizing waste water technology, add hydrolytic acidification fungus and methane-producing bacterium after accomplishing through the stirring, then set up the temperature in the clear water groove as the temperature that suitable hydrolytic acidification fungus and methane-producing bacterium bred, place for 5-7 days, obtain addition liquid 1 after accomplishing, hydrolytic acidification fungus and methane-producing bacterium can be with the material decomposition in the desizing waste water, purifying effect is good, and purification cost is low, is applicable to most of desizing waste water, has removed user's vexation from, has made things convenient for user's use.
Description
Technical Field
The invention relates to the technical field of desizing wastewater treatment, in particular to a process for treating desizing wastewater by using a special roll-type membrane.
Background
The desizing wastewater is wastewater discharged by printing, dyeing and woolen dyeing and finishing and silk factories mainly processing cotton, hemp and chemical fibers and blended products thereof and silk, the types and the processing processes of the fibers are different, and the water quantity and the water quality of the printing and dyeing wastewater are also different, wherein the wastewater quantity of the printing and dyeing factory is larger, the water consumption of 1t textile processed by printing and dyeing is 100-200 t, 80-90% of the wastewater is discharged as wastewater, the printing and dyeing wastewater has the characteristics of large water quantity, high organic pollutant content, large alkalinity, large water quality change and the like, belongs to one of industrial wastewater difficult to treat, and the wastewater contains dye, slurry, auxiliary agent, oil agent, acid-base, fiber impurities, sand substances, inorganic salt and the like.
Chinese patent CN103755050A discloses a membrane treatment process for desizing wastewater, which can recycle the desizing wastewater containing alkali, a refining agent and a dispersing agent, not only recycle water in the process, but also realize the recycling of the alkali, the refining agent and the dispersing agent, realize the zero discharge of the desizing wastewater through treatment, and realize the recycling of the desizing wastewater.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the process for treating the desizing wastewater by using the special roll-type membrane, which has the advantages of being suitable for most of desizing wastewater and the like, and solves the problems that the traditional method has a good treatment effect on the desizing wastewater containing alkali, a refining agent and a dispersing agent, has a common treatment effect on other desizing wastewater, and is very annoying to a user.
(II) technical scheme
In order to realize the purpose of the process for treating desizing wastewater by using the special roll-type membrane, the invention provides the following technical scheme: a process for treating desizing wastewater by using a special roll-type membrane comprises the following steps:
1) the method comprises the following steps of (1) coating a special roll-type membrane with a membrane sleeve, connecting the special roll-type membrane sleeve with a stretch-resistant sleeve left and right, arranging the special roll-type membrane sleeve in a filter vat, arranging a motor on the filter vat, additionally arranging an extension shaft on an output shaft of the motor, sleeving a stirring shaft on the extension shaft, extending the stirring shaft into the filter vat, and arranging a feed inlet on the side of the motor on the filter vat;
2) injecting desizing wastewater into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir to obtain leachate 1 and concentrated solution 1, and carrying the leachate 1 for later use;
3) adding starch and glucose into a clear water tank, continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, adding hydrolytic acidification bacteria and methane bacteria after stirring, setting the temperature in the clear water tank to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and standing for 5-7 days to obtain an addition solution 1 after completion;
4) placing the concentrated solution 1 obtained in the step 2 into a container, adding the additive solution 1 obtained in the step 3 into the container, stirring at a frequency of 90 revolutions per minute in the adding process, monitoring the pH value of the mixed solution in real time by using a pH tester in the adding process, and stopping adding the additive solution 1 when the pH value of the mixed solution is between 6.5 and 7.5 to obtain a diluted solution 1;
5) cleaning the filter vat, injecting clear water into the filter vat, starting a motor to stir for fifteen minutes, and finishing the cleaning;
6) and (3) injecting the diluent 1 prepared in the step (4) into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir, and obtaining a leachate 2 and a concentrated solution 2 after the filtration is finished.
Preferably, the aperture of the special roll-type membrane in the step 1 is 50-300 nm, the stretch-resistant sleeve comprises two buffer springs and two limiting sleeve rods, the buffer springs are sleeved outside the limiting sleeve rods, the buffer springs further comprise hollow rods and inner rods, and the inner rods, one ends of which penetrate through and extend to the outside of the hollow rods, are movably mounted inside the hollow rods.
Preferably, the stirring shaft in the step 1 is a nickel-based alloy shaft, a zinc layer is plated outside the stirring shaft, and the top of the feeding hole in the step 1 is designed to be wide.
Preferably, starch and glucose are added into the clear water tank in the step 3, and stirring is continuously carried out for five minutes at the frequency of 60 revolutions per minute during the adding process, wherein the ratio of clear water to starch to glucose is 100:5: 6.
Preferably, in the step 3, the temperature in the clean water tank is set to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and a thermometer and a heating device are arranged in the clean water tank.
(III) advantageous effects
Compared with the prior art, the invention provides a process for treating desizing wastewater by using a special roll-type membrane, which has the following beneficial effects:
1. the process for treating desizing wastewater by using the special roll-type membrane comprises the steps of coating a layer of membrane sleeve outside the special roll-type membrane, connecting the left side and the right side of the special roll-type membrane sleeve with an anti-stretching sleeve piece, arranging the anti-stretching sleeve piece in a filter barrel, arranging a motor on the filter barrel, additionally arranging an extension shaft on an output shaft of the motor, sleeving a stirring shaft on the extension shaft, extending the stirring shaft into the filter barrel, arranging a feed inlet on the motor side on the filter barrel, injecting desizing wastewater into the filter barrel through the feed inlet by using a booster pump, starting the motor, driving the stirring shaft to continuously stir by the motor to obtain percolate 1 and concentrated solution 1, receiving the percolate 1 for later use, adding starch and glucose into a clear water tank, continuously stirring at the frequency of 60 revolutions per minute for five minutes in the adding process, adding hydrolytic acidification bacteria and methane bacteria after stirring is finished, and setting the temperature, the slurry is placed for 5-7 days to obtain the additive solution 1 after the completion, and the hydrolytic acidification bacteria and the methane bacteria can decompose substances in the desizing wastewater, so that the slurry has good purification effect and low purification cost, is suitable for most of desizing wastewater, avoids the trouble of users, and is convenient for the users to use.
2. The process for treating desizing wastewater by using the special roll-type membrane comprises the steps of placing a concentrated solution 1 obtained in the step 2 into a container, adding an additive solution 1 obtained in the step 3 into the container, stirring at a frequency of 90 revolutions per minute in the adding process, monitoring the pH value of a mixed solution in real time by using a pH tester in the adding process, stopping adding the additive solution 1 when the pH value of the mixed solution is 6.5-7.5 to obtain a diluted solution 1, cleaning a filter barrel, injecting clear water into the filter barrel, starting a motor to stir for fifteen minutes, completing the cleaning, injecting the diluted solution 1 prepared in the step 4 into the filter barrel through a feed inlet by using a booster pump, starting the motor to drive a stirring shaft to stir continuously, and obtaining a percolate 2 and a concentrated solution 2 after the filtering is completed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The first embodiment is as follows: a process for treating desizing wastewater by using a special roll-type membrane comprises the following steps:
1) the method comprises the following steps of (1) coating a special roll-type membrane with a membrane sleeve, connecting the special roll-type membrane sleeve with a stretch-resistant sleeve left and right, arranging the special roll-type membrane sleeve in a filter vat, arranging a motor on the filter vat, additionally arranging an extension shaft on an output shaft of the motor, sleeving a stirring shaft on the extension shaft, extending the stirring shaft into the filter vat, and arranging a feed inlet on the side of the motor on the filter vat;
2) injecting desizing wastewater into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir to obtain leachate 1 and concentrated solution 1, and carrying the leachate 1 for later use;
3) adding starch and glucose into a clear water tank, continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, adding hydrolytic acidification bacteria and methane bacteria after stirring, setting the temperature in the clear water tank to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and standing for 7 days to obtain an addition solution 1;
4) placing the concentrated solution 1 obtained in the step 2 into a container, adding the additive solution 1 obtained in the step 3 into the container, stirring at a frequency of 90 revolutions per minute in the adding process, monitoring the pH value of the mixed solution in real time by using a pH tester in the adding process, and stopping adding the additive solution 1 when the pH value of the mixed solution is between 6.5 and 7.5 to obtain a diluted solution 1;
5) cleaning the filter vat, injecting clear water into the filter vat, starting a motor to stir for fifteen minutes, and finishing the cleaning;
6) and (3) injecting the diluent 1 prepared in the step (4) into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir, and obtaining a leachate 2 and a concentrated solution 2 after the filtration is finished.
The aperture of the special roll-type membrane is 50-300 nanometers, the stretch-proofing sleeve comprises two buffer springs and two limiting sleeve rods, the buffer springs are sleeved outside the limiting sleeve rods, the buffer springs further comprise hollow rods and inner rods, and the inner rods are movably arranged inside the hollow rods, one ends of the inner rods penetrate through the hollow rods and extend to the outside of the hollow rods.
The stirring shaft is a nickel-based alloy shaft, a zinc layer is plated outside the stirring shaft, and the top of the feeding hole is designed to be wide-mouthed.
Adding starch and glucose into a clear water tank, and continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, wherein the ratio of clear water to starch to glucose is 100:5: 6.
The temperature in the clear water tank is set to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and a thermometer and a heating device are arranged in the clear water tank.
Adding starch and glucose into a clear water tank, continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, adding hydrolytic acidification bacteria and methane bacteria after stirring, and making the hydrolytic acidification bacteria and the methane bacteria in an environment suitable for propagation of the hydrolytic acidification bacteria and the methane bacteria to propagate naturally.
Example two: a process for treating desizing wastewater by using a special roll-type membrane comprises the following steps:
1) the method comprises the following steps of (1) coating a special roll-type membrane with a membrane sleeve, connecting the special roll-type membrane sleeve with a stretch-resistant sleeve left and right, arranging the special roll-type membrane sleeve in a filter vat, arranging a motor on the filter vat, additionally arranging an extension shaft on an output shaft of the motor, sleeving a stirring shaft on the extension shaft, extending the stirring shaft into the filter vat, and arranging a feed inlet on the side of the motor on the filter vat;
2) injecting desizing wastewater into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir to obtain leachate 1 and concentrated solution 1, and carrying the leachate 1 for later use;
3) adding starch and glucose into a clear water tank, continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, adding hydrolytic acidification bacteria and methane bacteria after stirring, setting the temperature in the clear water tank to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and standing for 5 days to obtain an addition solution 1;
4) placing the concentrated solution 1 obtained in the step 2 into a container, adding the additive solution 1 obtained in the step 3 into the container, stirring at a frequency of 90 revolutions per minute in the adding process, monitoring the pH value of the mixed solution in real time by using a pH tester in the adding process, and stopping adding the additive solution 1 when the pH value of the mixed solution is between 6.5 and 7.5 to obtain a diluted solution 1;
5) cleaning the filter vat, injecting clear water into the filter vat, starting a motor to stir for fifteen minutes, and finishing the cleaning;
6) and (3) injecting the diluent 1 prepared in the step (4) into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir, and obtaining a leachate 2 and a concentrated solution 2 after the filtration is finished.
The aperture of the special roll-type membrane is 50-300 nanometers, the stretch-proofing sleeve comprises two buffer springs and two limiting sleeve rods, the buffer springs are sleeved outside the limiting sleeve rods, the buffer springs further comprise hollow rods and inner rods, and the inner rods are movably arranged inside the hollow rods, one ends of the inner rods penetrate through the hollow rods and extend to the outside of the hollow rods.
The stirring shaft is a nickel-based alloy shaft, a zinc layer is plated outside the stirring shaft, and the top of the feeding hole is designed to be wide-mouthed.
Adding starch and glucose into a clear water tank, and continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, wherein the ratio of clear water to starch to glucose is 100:3: 4.
The temperature in the clear water tank is set to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and a thermometer and a heating device are arranged in the clear water tank.
The stirring shaft is a nickel-based alloy shaft, a zinc layer is plated outside the stirring shaft, and the stirring shaft plated with the zinc layer is not easy to corrode and has a long service life.
Example three: a process for treating desizing wastewater by using a special roll-type membrane comprises the following steps:
1) the method comprises the following steps of (1) coating a special roll-type membrane with a membrane sleeve, connecting the special roll-type membrane sleeve with a stretch-resistant sleeve left and right, arranging the special roll-type membrane sleeve in a filter vat, arranging a motor on the filter vat, additionally arranging an extension shaft on an output shaft of the motor, sleeving a stirring shaft on the extension shaft, extending the stirring shaft into the filter vat, and arranging a feed inlet on the side of the motor on the filter vat;
2) injecting desizing wastewater into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir to obtain leachate 1 and concentrated solution 1, and carrying the leachate 1 for later use;
3) adding starch and glucose into a clear water tank, continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, adding hydrolytic acidification bacteria and methane bacteria after stirring, setting the temperature in the clear water tank to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and standing for 6 days to obtain an addition solution 1;
4) placing the concentrated solution 1 obtained in the step 2 into a container, adding the additive solution 1 obtained in the step 3 into the container, stirring at a frequency of 90 revolutions per minute in the adding process, monitoring the pH value of the mixed solution in real time by using a pH tester in the adding process, and stopping adding the additive solution 1 when the pH value of the mixed solution is between 6.5 and 7.5 to obtain a diluted solution 1;
5) cleaning the filter vat, injecting clear water into the filter vat, starting a motor to stir for fifteen minutes, and finishing the cleaning;
6) and (3) injecting the diluent 1 prepared in the step (4) into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir, and obtaining a leachate 2 and a concentrated solution 2 after the filtration is finished.
The aperture of the special roll-type membrane is 50-300 nanometers, the stretch-proofing sleeve comprises two buffer springs and two limiting sleeve rods, the buffer springs are sleeved outside the limiting sleeve rods, the buffer springs further comprise hollow rods and inner rods, and the inner rods are movably arranged inside the hollow rods, one ends of the inner rods penetrate through the hollow rods and extend to the outside of the hollow rods.
The stirring shaft is a nickel-based alloy shaft, a zinc layer is plated outside the stirring shaft, and the top of the feeding hole is designed to be wide-mouthed.
Adding starch and glucose into a clear water tank, and continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, wherein the ratio of clear water to starch to glucose is 100:8: 7.
The temperature in the clear water tank is set to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and a thermometer and a heating device are arranged in the clear water tank.
The top of feed inlet adopts the wide-mouth design, makes things convenient for the material loading to add.
The invention has the beneficial effects that: the process for treating desizing wastewater by using the special roll-type membrane comprises the steps of coating a layer of membrane sleeve outside the special roll-type membrane, connecting the left side and the right side of the special roll-type membrane sleeve with an anti-stretching sleeve piece, arranging the anti-stretching sleeve piece in a filter barrel, arranging a motor on the filter barrel, additionally arranging an extension shaft on an output shaft of the motor, sleeving a stirring shaft on the extension shaft, extending the stirring shaft into the filter barrel, arranging a feed inlet on the motor side on the filter barrel, injecting desizing wastewater into the filter barrel through the feed inlet by using a booster pump, starting the motor, driving the stirring shaft to continuously stir by the motor to obtain percolate 1 and concentrated solution 1, receiving the percolate 1 for later use, adding starch and glucose into a clear water tank, continuously stirring at the frequency of 60 revolutions per minute for five minutes in the adding process, adding hydrolytic acidification bacteria and methane bacteria after stirring is finished, and setting the temperature, placing for 5-7 days to obtain an additive solution 1 after the completion, decomposing substances in the desizing wastewater by hydrolytic acidification bacteria and methane bacteria, having good purification effect and low purification cost, being suitable for most desizing wastewater, avoiding the trouble of users, and facilitating the use of users, wherein the concentrated solution 1 obtained in the step 2 is placed in a container, the additive solution 1 obtained in the step 3 is added into the container, stirring is carried out at a frequency of 90 revolutions per minute in the adding process, a pH tester is used for monitoring the pH value of the mixed solution in real time in the adding process, when the pH value of the mixed solution is between 6.5 and 7.5, the additive solution 1 is stopped to be added to obtain a diluent solution 1, a filter barrel is cleaned, clear water is injected into the filter barrel, the motor is started to stir for fifteen minutes, the cleaning is completed, the diluent solution 1 prepared in the step 4 is injected into the filter barrel through a feed inlet, the motor is started, the motor drives the stirring shaft to continuously stir, and the leachate 2 and the concentrated solution 2 are obtained after the filtration is finished.
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 (5)
1. The process for treating desizing wastewater by using the special roll-type membrane is characterized by comprising the following steps of:
1) the method comprises the following steps of (1) coating a special roll-type membrane with a membrane sleeve, connecting the special roll-type membrane sleeve with a stretch-resistant sleeve left and right, arranging the special roll-type membrane sleeve in a filter vat, arranging a motor on the filter vat, additionally arranging an extension shaft on an output shaft of the motor, sleeving a stirring shaft on the extension shaft, extending the stirring shaft into the filter vat, and arranging a feed inlet on the side of the motor on the filter vat;
2) injecting desizing wastewater into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir to obtain leachate 1 and concentrated solution 1, and carrying the leachate 1 for later use;
3) adding starch and glucose into a clear water tank, continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, adding hydrolytic acidification bacteria and methane bacteria after stirring, setting the temperature in the clear water tank to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and standing for 5-7 days to obtain an addition solution 1 after completion;
4) placing the concentrated solution 1 obtained in the step 2 into a container, adding the additive solution 1 obtained in the step 3 into the container, stirring at a frequency of 90 revolutions per minute in the adding process, monitoring the pH value of the mixed solution in real time by using a pH tester in the adding process, and stopping adding the additive solution 1 when the pH value of the mixed solution is between 6.5 and 7.5 to obtain a diluted solution 1;
5) cleaning the filter vat, injecting clear water into the filter vat, starting a motor to stir for fifteen minutes, and finishing the cleaning;
6) and (3) injecting the diluent 1 prepared in the step (4) into a filter vat through a feed inlet by using a booster pump, starting a motor, driving a stirring shaft by the motor to continuously stir, and obtaining a leachate 2 and a concentrated solution 2 after the filtration is finished.
2. The special roll-type membrane treatment desizing wastewater process according to claim 1, characterized in that: the aperture of the special roll-type membrane in the step 1 is 50-300 nanometers, the stretch-resistant sleeve comprises two buffer springs and two limiting sleeve rods, the buffer springs are sleeved outside the limiting sleeve rods, the buffer springs further comprise hollow rods and inner rods, and the inner rods, one ends of which penetrate through and extend to the outside of the hollow rods, are movably mounted inside the hollow rods.
3. The special roll-type membrane treatment desizing wastewater process according to claim 1, characterized in that: the stirring shaft in the step 1 is a nickel-based alloy shaft, a zinc layer is plated outside the stirring shaft, and the top of the feeding hole in the step 1 is designed to be wide-mouthed.
4. The special roll-type membrane treatment desizing wastewater process according to claim 1, characterized in that: and 3, adding starch and glucose into the clean water tank, and continuously stirring for five minutes at the frequency of 60 revolutions per minute in the adding process, wherein the ratio of the clean water to the starch to the glucose is 100:5: 6.
5. The special roll-type membrane treatment desizing wastewater process according to claim 1, characterized in that: and 3, setting the temperature in the clean water tank to be suitable for the propagation of the hydrolytic acidification bacteria and the methane bacteria, and arranging a thermometer and a heating device in the clean water tank.
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| CN111115904A (en) * | 2020-01-10 | 2020-05-08 | 朱国兵 | High-efficient sewage treatment device |
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