CN104591517B - A kind of quick-drying method of cultivating spirulina sewage sludge - Google Patents
A kind of quick-drying method of cultivating spirulina sewage sludge Download PDFInfo
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- CN104591517B CN104591517B CN201410841852.3A CN201410841852A CN104591517B CN 104591517 B CN104591517 B CN 104591517B CN 201410841852 A CN201410841852 A CN 201410841852A CN 104591517 B CN104591517 B CN 104591517B
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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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
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention provides a kind of quick-drying method of cultivating spirulina sewage sludge, by building the quick-drying device of sewage sludge, several devices are substantially immersed in Sewage mud sump more than five minutes, then device is departed from oilysewage surface and drains, air-dry again, sludge bulking on device comes off in dry run, collects the sludge bulking come off, continues to dry；Repeat to soak and air drying steps, until the mud in Sewage mud sump is all collected and dries.The quick-drying method of cultivating spirulina sewage sludge that the present invention provides, compared with conventional method for sludge treatment, processes the Sewage mud sump of 200 cubic metres, it is only necessary to 5～10 days, and conventional method needs 45 days, can increase substantially the efficiency of drying sludge.The method is simple, it is simple to operation.The present invention uses the method for machinery and physics, it is adaptable to be located in remote manufacturer, it is not necessary to other facility, and less energy consumption does not use medicament, do not affects environment.
Description
Technical field
The present invention relates to a kind of quick-drying method of cultivating spirulina sewage sludge, belong to technical field of sewage treatment equipment.
Background technology
China is the big country that spirulina produces in the world, and from the Inner Mongol in the north to southern Yunnan, Jun You manufacturer is distributed, and spirulina annual production reaches ten thousand tons of former algaes of dry product.By processing, annual value of production reaches 20,000,000,000 yuan.And in spirulina breeding production process, according to 1 ton of spirulina dry product of 200 cubic metres of culture medium breeding production, being equivalent to need every year the culture medium of tens million of tons, this culture medium overwhelming majority is water.Due to culture technique and the reason such as algae kind is aging, partial medium can not continue on for producing, and needs to process as sewage.Cultivating and gather spirulina and mostly be dispersion culture, gather and rinse respectively, the generation of sewage sludge has seasonal and interim, and therefore sewage sludge is difficult to focus on, process the most in time urgent obviously.
Spirulina breeding manufacturer is often away from the waste water treatment plant in cities and towns.Waste water is that Filtration is combined the process of microbial sludge method with sewage disposal main technique at present, it is desirable to have scale.Cultivating spirulina waste water generally uses and is similar to the pattern that chemical industry processes, and such as the patent of invention of Publication No. CN1903751 " treatment technology of spirulina waste water ", discloses cultivating spirulina and produces the processing method of high-salt wastewater.
After waste water processes, moisture evaporates, and stays sewage sludge, natural drying to need to occupy substantial amounts of culture pond, it is therefore desirable to quickly to process, nothing more than the method heated up with cooling.Use the method heated up, simultaneously need to the equipment adding intensification puts into increasing energy consumption, also can ferment under hot conditions, produce substantial amounts of waste gas, and then contaminated air, affect environment.Such as the patent " for the vibration hot drying equipment of Treatment of Sludge " of Publication No. CN203530102U, the similar patent application " method for sludge treatment and processing system thereof " also having Publication No. CN103693839A, the mud drying and processing of dehydration.Mud often hardens, the drying on surface, and the moisture of lower section can not escape, the patent application " sludge treatment device and technique " of Publication No. CN103693829A, utilizes the broken mud roller that frequency conversion motor drives, and suppresses mud bar, circulated air heat drying.At present also by the method for cooling, improve drying efficiency, patent application " sewage sludge processing means " such as Publication No. CN104098240A, include filter-pressing device, breaker and freeze drying plant, the similar patent application " sewage sludge treatment method " also having Publication No. CN104098239A.Also ozone generating-device is utilized to carry out Treatment of Sludge, it is achieved mud decrement processes, such as the patent application " sludge treating system and method thereof " of Publication No. CN103663895A.The problems such as it is big that the drying method of above-mentioned sewage sludge the most generally exists equipment investment, complex process.
But, the sewage sludge that spirulina production process produces, there is stronger cementability, it is necessary to a kind of equipment investment of research and development is little, run simply, spirulina sewage sludge drying method efficiently.
Summary of the invention
The problems such as the drying method for the existing sewage sludge of solution the most generally exists equipment investment greatly, complex process, the present invention provides a kind of quick-drying method of cultivating spirulina sewage sludge.
The present invention is realized by following technical proposal: a kind of quick-drying method of cultivating spirulina sewage sludge, through following each step:
(1) the quick-drying device of sewage sludge is built；
(2) being substantially immersed in by several devices of step (1) in Sewage mud sump more than five minutes, then device departs from oilysewage surface and drains, now surface forms semisolid state, and mud can not drip；
(3) being air-dried by the device of step (2), the sludge bulking on device comes off in dry run, collects the sludge bulking come off, continues to dry；
(4) step (2) and (3) is repeated, until the mud in Sewage mud sump is all collected and dries.
The quick-drying device of structure sewage sludge of described step (1), it is by following method: vinylon cotton curtain is wrapped on rectangular slab formation impeller, again several impellers are fixed in fixed frame formation one-piece armature by shaft parallel respectively, then several one-piece armature are joined end to end and form the sewage sludge rapid drying device of W type.
Further, parallel fixing is that adjacent two impellers are placed in fixed frame by spacing 1.5～2cm parallel.
Further, vinylon cotton curtain is vinylon and the cotton door curtain made of cloth made in the ratio of 1:1.Do not take bolting silk, be owing to this is as smooth material, it is impossible to effectively adhering to dirt, the volatility of moisture is preferable simultaneously.Pure cotton cloth resource-constrained, good water absorption, and the volatilization of moisture is poor, poor resistance.Vinylon cloth cotton curtain has the advantage of the two concurrently, and can recycle, as the chemical fibre of synthesis, it is impossible to being decomposed, good moldability, blending vinylon cotton fiber has relatively strong absorptive.
Further, vinylon cotton curtain is the strip belt of a width of 6cm.
Further, rectangular slab is a length of 50cm, the PVC board of a width of 6cm.
Further, fixed frame is that the pipe of PPA material is made.
Further, fixed frame be the length of side be the square-shaped frame of 50cm.
The quick-drying device of structure sewage sludge of described step (1), it is by following method: the staggered warp of transverse and longitudinal and parallel are set in fixed frame, again several absorption rope vertical hangings are obtained one-piece armature on the cross point of warp and parallel, parallel for one-piece armature superposition is i.e. obtained sewage sludge rapid drying device.
Further, warp and parallel are all arranged in fixed frame by parallel distance 20mm.
Further, the spacing between one-piece armature is 20cm.
Further, one-piece armature is arranged by the parallel superposition of multistory frame.
Further, absorption rope is vinylon and the cotton cloth rope made in the ratio of 1:1.Do not take bolting silk, be owing to this is as smooth material, it is impossible to effectively adhering to dirt, the volatility of moisture is preferable simultaneously.Pure cotton cloth resource-constrained, good water absorption, and the volatilization of moisture is poor, poor resistance.Vinylon cloth cotton curtain has the advantage of the two concurrently, and can recycle, as the chemical fibre of synthesis, it is impossible to being decomposed, good moldability, blending vinylon cotton fiber has relatively strong absorptive.
Further, absorption rope is the rope of a diameter of 4～6mm.
Further, a length of 10cm of absorption rope.
Further, fixed frame be the length of side be the square-shaped frame of 50cm.
Compared with prior art, it is an advantage of the current invention that: the quick-drying method of cultivating spirulina sewage sludge that the present invention provides is compared with conventional method for sludge treatment, process the Sewage mud sump of 200 cubic metres, only need 5～10 days, and conventional method needs 45 days, the efficiency of drying sludge can be increased substantially.The method is simple, it is simple to operation.The present invention uses the method for machinery and physics, it is adaptable to be located in remote manufacturer, it is not necessary to other facility, and less energy consumption does not use medicament, do not affects environment, has good economic benefit and social value.
Accompanying drawing explanation
Fig. 1 is that the embodiment 1 quick-drying device of sewage sludge is immersed in the schematic diagram in Sewage mud sump；
Fig. 2 is the structural representation of embodiment 1 one-piece armature；
Fig. 3 is the structural representation of the embodiment 2 quick-drying device of sewage sludge；
Fig. 4 is the structural representation of embodiment 2 one-piece armature；
In figure, 1-fixed frame, 2-impeller, 3-rotating shaft, 4-sewage sludge, 5-Sewage mud sump, 6-sewage sludge rapid drying device, 7-one-piece armature, 8-vinylon cotton curtain, 9-warp, 10-parallel, 11-adsorbs rope, 12-multistory frame.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment 1
(1) the quick-drying device of sewage sludge is built by following method: vinylon cotton curtain 8 is wrapped on rectangular slab formation impeller 2, again several impellers 2 are fixed in fixed frame 1 formation one-piece armature 7 by rotating shaft 3 by spacing 1.5～2cm is parallel respectively, the sewage sludge rapid drying device 6 of the formation W type that then several one-piece armature 7 joined end to end；Wherein, vinylon cotton curtain 8 is vinylon and the cotton door curtain made of cloth made in the ratio of 1:1, is the strip belt of a width of 6cm；Rectangular slab is a length of 50cm, the PVC board of a width of 6cm, and fixed frame 1 is that the pipe of PPA material is made, fixed frame 1 be the length of side be the square-shaped frame of 50cm；
(2) being substantially immersed in by several sewage sludge rapid drying devices 6 of step (1) in Sewage mud sump 5 more than five minutes, then device departs from oilysewage surface and drains, now surface forms semisolid state, and mud can not drip；
(3) being air-dried by the device of step (2), impeller 2 is all with wind-force quick rotation around the shaft, and not dry sludge bulking sticks to, on impeller 2, cause rotating speed slow owing to it is heavier, it is not easy to fall down；And the sludge bulking of substantially dry, it is possible to come off from the vinylon cotton curtain 8 of device, collect the sludge bulking come off, continue to dry；
(4) step (2) and (3) is repeated, until the mud in Sewage mud sump is all collected and dries.
Embodiment 2
(1) by following method: build the quick-drying device of sewage sludge: arrange the staggered warp 9 of transverse and longitudinal and parallel 10 in fixed frame 1, again several absorption rope 11 vertical hangings are obtained one-piece armature 7 on the cross point of warp 9 and parallel 10, parallel for one-piece armature 7 superposition is i.e. obtained sewage sludge rapid drying device；Wherein, warp 9 and parallel 10 are all arranged in fixed frame 1 by parallel distance 20mm, and one-piece armature 7 is arranged by the parallel superposition of multistory frame 12, and the spacing between one-piece armature 7 is 20cm, absorption rope 4 is vinylon and the cotton cloth rope made in the ratio of 1:1, its a diameter of 4～6mm, a length of 10cm；Fixed frame 1 be the length of side be the square-shaped frame of 50cm；
(2) being substantially immersed in by several sewage sludge rapid drying devices of step (1) in Sewage mud sump more than five minutes, then device departs from oilysewage surface and drains, now surface forms semisolid state, and mud can not drip；
(3) being air-dried by the device of step (2), absorption rope 11 is shaken with wind-force, and not dry sludge bulking sticks on absorption rope 11, causes absorption rope 11 shake slow owing to it is heavier, it is not easy to fall down；And the sludge bulking of substantially dry, it is possible to come off from absorption rope 11, collect the sludge bulking come off, continue to dry；
(4) step (2) and (3) is repeated, until the mud in Sewage mud sump is all collected and dries.
Claims (8)
1. the quick-drying method of cultivating spirulina sewage sludge, it is characterised in that through the following step:
(1) the quick-drying device of sewage sludge is built；
(2) several devices of step (1) are substantially immersed in Sewage mud sump more than five minutes, then device are departed from oilysewage surface and drains；
(3) being air-dried by the device of step (2), the sludge bulking on device comes off in dry run, collects the sludge bulking come off, continues to dry；
(4) step (2) and (3) is repeated, until the mud in Sewage mud sump is all collected and dries；
The quick-drying device of structure sewage sludge described in step (1), it is to be prepared by following method: vinylon cotton curtain is wrapped on rectangular slab formation impeller, again several impellers are fixed in fixed frame formation one-piece armature by shaft parallel respectively, then several one-piece armature are joined end to end and form the sewage sludge rapid drying device of W type；Or, fixed frame arranges the staggered warp of transverse and longitudinal and parallel, more several absorption rope vertical hangings are obtained one-piece armature on the cross point of warp and parallel, parallel for one-piece armature superposition is i.e. obtained sewage sludge rapid drying device.
The quick-drying method of cultivating spirulina sewage sludge the most according to claim 1, it is characterised in that: described parallel fixing is that adjacent two impellers are placed in fixed frame by spacing 1.5～2cm parallel.
The quick-drying method of cultivating spirulina sewage sludge the most according to claim 1, it is characterised in that: described vinylon cotton curtain is vinylon and the cotton door curtain made of cloth made in the ratio of 1:1；Vinylon cotton curtain is the strip belt of a width of 6cm.
The quick-drying method of cultivating spirulina sewage sludge the most according to claim 1, it is characterised in that: described rectangular slab is a length of 50cm, the PVC board of a width of 6cm.
The quick-drying method of cultivating spirulina sewage sludge the most according to claim 1, it is characterised in that: described warp and parallel are all arranged in fixed frame by parallel distance 20mm.
The quick-drying method of cultivating spirulina sewage sludge the most according to claim 1, it is characterised in that: the spacing between described one-piece armature is 20cm；One-piece armature is arranged by the parallel superposition of multistory frame.
The quick-drying method of cultivating spirulina sewage sludge the most according to claim 1, it is characterised in that: described absorption rope is vinylon and the cotton cloth rope made in the ratio of 1:1；Absorption rope is the rope of a diameter of 4～6mm；The a length of 10cm of absorption rope.
The quick-drying method of cultivating spirulina sewage sludge the most according to claim 1, it is characterised in that: described fixed frame is that the pipe of PPA material is made；Fixed frame be the length of side be the square-shaped frame of 50cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410841852.3A CN104591517B (en) | 2014-12-30 | 2014-12-30 | A kind of quick-drying method of cultivating spirulina sewage sludge |
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| CN201410841852.3A CN104591517B (en) | 2014-12-30 | 2014-12-30 | A kind of quick-drying method of cultivating spirulina sewage sludge |
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| CN104591517A CN104591517A (en) | 2015-05-06 |
| CN104591517B true CN104591517B (en) | 2016-08-24 |
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| CN114315089A (en) * | 2021-12-31 | 2022-04-12 | 无锡德林海环保科技股份有限公司 | Drying structure, drying device and drying method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351397A (en) * | 2011-09-05 | 2012-02-15 | 张国清 | Method for deep drying sludge |
| CN103449700A (en) * | 2012-05-30 | 2013-12-18 | 党庆风 | Sludge quick-dry continuous heat-supplying wind-dry type drying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003047999A (en) * | 2001-08-09 | 2003-02-18 | Fumio Yorinobu | Sewage sludge treatment method using charcoal powder |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351397A (en) * | 2011-09-05 | 2012-02-15 | 张国清 | Method for deep drying sludge |
| CN103449700A (en) * | 2012-05-30 | 2013-12-18 | 党庆风 | Sludge quick-dry continuous heat-supplying wind-dry type drying device |
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