CN110407363A - Cyanobacteria desiccation integral processing method and processing device - Google Patents
Cyanobacteria desiccation integral processing method and processing device Download PDFInfo
- Publication number
- CN110407363A CN110407363A CN201910752581.7A CN201910752581A CN110407363A CN 110407363 A CN110407363 A CN 110407363A CN 201910752581 A CN201910752581 A CN 201910752581A CN 110407363 A CN110407363 A CN 110407363A
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- algae
- slush pump
- cyanobacteria
- outlet
- dewaterer
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- 241000192700 Cyanobacteria Species 0.000 title claims abstract description 44
- 238000003672 processing method Methods 0.000 title claims description 7
- 241000195493 Cryptophyta Species 0.000 claims abstract description 139
- 239000002002 slurry Substances 0.000 claims abstract description 73
- 238000005189 flocculation Methods 0.000 claims abstract description 56
- 230000016615 flocculation Effects 0.000 claims abstract description 56
- 230000008676 import Effects 0.000 claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 15
- 229920002472 Starch Polymers 0.000 claims description 11
- 235000019698 starch Nutrition 0.000 claims description 11
- 125000002091 cationic group Chemical group 0.000 claims description 8
- 229920002401 polyacrylamide Polymers 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000000295 fuel oil Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 46
- 238000001556 precipitation Methods 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- 229920006238 degradable plastic Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Abstract
The present invention relates to cyanobacteria integral treatment method and devices, its main feature is that the method includes being pressurizeed, flocculated to algae slurry, is dehydrated and drying and other steps.Described device includes algae stock tank, the first slush pump, flocculation basin, the second slush pump, dewaterer, blower and hot air source.The outlet of algae stock tank is connected with the import of the first slush pump.The outlet of first slush pump passes sequentially through the first solenoid valve, first pressure tank, second solenoid valve and third slush pump and is connected with the import of flocculation basin, and the outlet of flocculation basin is linked together by the import of the second slush pump and dewaterer.The import of blower is connected with the outlet of hot air source, and the outlet of blower is to the mud mouth lived with dewaterer.Using cyanobacteria integral treatment method of the invention and device, algae can be starched to processing algae powder.The volume of cyanobacteria is not only reduced, turns waste into wealth, can use, also can avoid the pollution to ambient enviroment and atmosphere.Suitable for handling the algae water for salvaging disembarkation out of river and lake.
Description
Technical field
The present invention relates to a kind of blue-green algae treatment method and devices.It specifically, is for the algae water for salvaging disembarkation from river and lake
It is dehydrated, desiccation is in the integral treatment method and device of one.
Background technique
With the high speed development of China's economy in recent years, the pollution of water bodies of rivers and lakes and eutrophication are got worse, and the whole nation is each
Big Main Lakes all produce different degrees of wawter bloom phenomenon, and cyanobacteria is largely broken out in summer, seriously threaten area along the lake and occupy
The drinking water safety of the people.In order to solve water pollution problems, the water pollution that various regions start various scales is administered, and contains water body
Further deteriorate.Some areas are as carried out large-scale cyanobacteria refloating operation in TAI HU AREA, it is ensured that summer lake surface cyanobacteria exists
The interior water safety with periphery town and country production and living of controllable range.But large-scale cyanobacteria salvage the disposition for bringing cyanobacteria and
Utilizing question, when peak, only the blue algae water salvaging amount in Taihu Lake Wuxi area under one's jurisdiction just reaches tons up to ten thousand.And salvage so more indigo plants of disembarkation
The processing of algae is a problem again.Current blue-green algae treatment method is to establish large-scale precipitation concentration pond, salvages the blue algae water of disembarkation
It is transported from each salvaging point to large-scale precipitation concentration pond by a large amount of means of transport, by being transported again after the processing of large-scale precipitation concentration pond
It is defeated to be stacked to stockyard.Due to the processing by large-scale precipitation concentration pond, the algal gel volume after preliminary hydro-extraction is larger and still
It is deposited in stockyard, so that the cyanobacteria through preliminary hydro-extraction is under open environment in the summer that cyanobacteria generates, is easy the hair that rots
It is smelly, seriously affect the air quality on periphery.Again since in some areas, the salvaging amount of peak period cyanobacteria is huge, without suitable
Place stack algal gel, everywhere stack the case where occur often, seriously affected environment.Such as heavy rain, the meeting again of these pollutants
It comes back in water body, secondary pollution is caused to water body.For this purpose, burning disposal is taken to dewatered algal gel in some areas, this
Sample need to just establish large-scale incinerator.And the flue gas generated is burned, and can pollute to atmosphere.
Summary of the invention
The invention solves a problem be to provide a kind of cyanobacteria desiccation integral processing method.In this way
The algae powder arrived not only reduces the volume of cyanobacteria, turns waste into wealth, can use, it is thus also avoided that the dirt to ambient enviroment and atmosphere
Dye.
The invention solves another problem be to provide a kind of cyanobacteria desiccation integral processing unit.
The invention solves the above problem be realized by the following technical scheme:
Cyanobacteria integral treatment method feature of the invention be successively the following steps are included:
The algae slurry for being first 1 ~ 5% to solid content pressurizes, its pressure is made to reach 0.5 ~ 1Mp；
Then, starch according to algae: flocculant=20:1 weight ratio in the algae slurry that flocculant is added after pressurization and mixes equal
It is even, keep algae slurry flocculation agglomerating；
Later, the pockets of algae slurry that flocculates is dehydrated, obtains algal gel；
Finally, algal gel is dried, algae powder is obtained.
The flocculant is the cationic polyacrylamide solution that weight content is 0.15 ~ 0.3%.
Implement cyanobacteria desiccation integral processing method device the characteristics of be include algae stock tank, the first slush pump, flocculation basin,
Second slush pump, dewaterer, blower and hot air source, first slush pump is high pressure slurry pump.The outlet of algae stock tank and first
The import of slush pump is connected.The outlet of first slush pump passes sequentially through the first solenoid valve, first pressure tank, second solenoid valve and
Three slush pumps are connected with the import of flocculation basin, and the outlet of flocculation basin is connected to one by the import of the second slush pump and dewaterer
It rises.The import of blower is connected with the outlet of hot air source, and the outlet of blower is to the mud mouth lived with dewaterer.
The pressure of first pressure tank and second pressure tank is 0.5 ~ 1Mp.
The dewaterer is centrifugal dehydrator.
The hot air source is the burning with fuel oil or gas burner to the hot-air after air heating.
Further improvement of the present invention scheme is also successively connected between the outlet of the first slush pump and the import of third slush pump
There are third solenoid valve, second pressure tank and the 4th solenoid valve.
Further improvement project of the invention be further include flocculant tank, flocculant tank passes through water pump and flocculation basin phase
Even.
As can be seen from the above scheme, due to cyanobacteria desiccation integral processing method of the invention successively have algae water pressurization,
Flocculation, dehydration and and drying and other steps.Wherein, algae slurry is pressurized, flocculate, dewatered algal gel directly becomes algae with hot-air seasoning
Powder.Through on probation, after being handled using methods and apparatus of the present invention cyanobacteria, the volume of cyanobacteria has obtained significantly reducing, only
There are 21 percent or less salvage disembarkation algae water.Compared with the background art, large-scale precipitation concentration pond is eliminated, so that entire dress
It sets to minimize and be arranged on river and lake side, treatment in situ is carried out to the cyanobacteria for salvaging disembarkation.Again since the device of the invention can
It is arranged on river and lake side, treatment in situ is carried out to the algae water for salvaging disembarkation, compared with the background art, saving moisture content is 80%
The transport of algal gel, is greatly saved processing cost.Again since the cyanobacteria to be debarked using methods and apparatus of the present invention to salvaging can
Treatment in situ is carried out, and cyanobacteria becomes algae powder after processing, the 21 percent of volume only salvaging disembarkation algae water are hereinafter, and background
Technology is compared, and stockyard is eliminated, not only avoid cyanobacteria be in the case of open environment be easy to rot it is smelly, to ambient air
It influences, also can avoid the case where cyanobacteria in heavy rain season stockyard comes back in water body, causes secondary pollution to water body generation.
Moreover, the dry algae powder of cyanobacteria can be with long-term preservation after being handled using methods and apparatus of the present invention.And algae powder is organic
Object can be utilized directly as useful resource, such as soil nutrient agent, greening waste material, feed addictive, degradable plastic
Feed additives etc..
Fig. 1 is cyanobacteria desiccation integral processing unit schematic diagram of the invention.
Specific embodiment
Embodiment one
Cyanobacteria integral treatment method of the invention the following steps are included:
The algae slurry for being first 1% to the solid content for salvaging disembarkation pressurizes, its pressure is made to reach 0.5Mp；
Then, it is starched according to algae: flocculant=20:1 weight ratio, while the algae that flocculant is added after pressurization is starched, with stirring
It mixes device to be stirred, starches flocculant with algae and be uniformly mixed, keep algae slurry flocculation agglomerating.The flocculant is that weight content is
0.15% cationic polyacrylamide solution；
Later, the pockets of algae slurry that flocculates is dehydrated using centrifugal dehydrator, obtains algal gel；
Finally, algal gel is dried with 200 degrees Celsius of hot wind, algae powder is obtained.
As shown in Figure 1, cyanobacteria desiccation integral processing unit of the invention contains algae stock tank 1, the first slush pump 2, flocculation
Pond 7, the second slush pump 8, dewaterer 9, blower 11 and hot air source 12, first slush pump 2 is high pressure slurry pump.Dewaterer 9
Lower section be provided with algae powder hopper 13.The outlet of mud algae stock tank 1 is connected with the import of the first slush pump 2.The outlet of first slush pump 2
The first solenoid valve 3, first pressure tank 4, second solenoid valve 5 and third slush pump 6 is passed sequentially through to be connected with the import of flocculation basin 7.
Wherein, first row port is processed on first pressure tank 4, and first row air valve 401 is installed on first row port.Flocculation basin 7 goes out
Mouth is linked together by the import of the second slush pump 8 and dewaterer 9, and the import of blower 11 is connected with the outlet of hot air source 12,
The outlet of blower 11 is to the mud mouth 10 of firmly dewaterer 9, and 200 ~ 400 degree of hot winds sent with the outlet of blower 11 are to dewaterer 9
The algal gel of outlet is dried, to export drying algae powder by way of the algal gel of 9 mud mouth 10 of dewaterer and falling into dewaterer 9
In the algae powder hopper of lower section.
Wherein: the pressure of first pressure tank 4 and second pressure tank 41 is 0.5Mp；The dewaterer 9 is centrifugal dehydration
Machine；It is 200 degrees Celsius of hot winds to the temperature after air heating that the hot air source 10, which is with the burning of fuel oil or gas burner,.
In order to enable the invention to continuous processing algae slurry, between the outlet of the first slush pump 2 and the import of third slush pump 6
Also it is sequentially connected with third solenoid valve 31, second pressure tank 41 and the 4th solenoid valve 51.It is machined on second pressure tank 41 therein
Second exhaust port is equipped with second row air valve 411 in second exhaust port.
When work, the first solenoid valve 3 and first row air valve 401 are first opened, closes second solenoid valve 5 and third solenoid valve
31, start the first slush pump 2, algae is starched in indentation first pressure tank 4.When algae slurry fills first pressure tank 4, first row is closed
Air valve 401, and after the pressure in first pressure tank 4 reaches predetermined value, the first solenoid valve 3 is closed, 5 He of second solenoid valve is opened
First row air valve 401 starts third slush pump 6, and the algae slurry in first pressure tank 4 is squeezed into flocculation basin 7.Meanwhile opening the
Three solenoid valves 31 and second row air valve 411 close the 4th solenoid valve 51 and the first solenoid valve 3, starch algae by the first slush pump 2 and press
Enter in second pressure tank 41.When algae slurry fills second pressure tank 41, second row air valve 411 is closed, and to second pressure 41
After pressure reaches predetermined value, third solenoid valve 31 is closed, opens the 4th solenoid valve 51 and second row air valve 411, starts third mud
Stock pump 6, in the algae slurry flocculation basin 7 in second pressure tank 41.In short, second presses i.e. when first pressure tank 4 is when squeezing into algae slurry
Power tank 41 is in row's algae slurry.For first pressure tank 4 when arranging algae slurry, second pressure tank 41 is squeezing into algae slurry.So that 4 He of first pressure tank
Second pressure tank 41 takes turns to operate, it is ensured that the present invention being capable of continuous work.
It is furnished with rabbling mechanism in the flocculation basin 7.The rabbling mechanism contains motor, and the motor is fixed on wadding by bracket
On the pond mouthful in solidifying pond 7.The output shaft of motor downward, is provided with agitating shaft, the output shaft of agitating shaft upper end and motor below
It is connected, agitating shaft lower end is connected with blade.Agitating shaft lower end and blade protrude into flocculation basin 7.
To be additionally provided with flocculant tank 72, flocculant in the present embodiment convenient for adding flocculant from trend flocculation basin 7
Tank 72 is connected to by water pump 71 and pipeline with flocculation basin 7.Wherein, the flocculant added into flocculation basin 7 is starched according to algae: flocculation
Agent=20:1 weight ratio is added.The flocculant is that the cationic polyacrylamide that weight content is 0.22% is molten
Liquid.
When work, first the algae slurry for salvaging disembarkation is squeezed into algae stock tank 1.It later, will by high pressure slurry pump 2 and pipeline
Algae slurry in algae stock tank 1 is squeezed into first pressure tank 4 or second pressure tank 41 by the first solenoid valve 3 or second solenoid valve 31,
The pressure of the algae entered in first or second pressurized tank slurry is set to reach 0.5Mp.Then, then it is electric by second solenoid valve 5 or the 4th
Magnet valve 51 squeezes into the algae slurry after pressurization in flocculation basin 7.At the same time, it starches using water pump 71 and according to according to algae: flocculant=
The weight ratio of 20:1 squeezes into the flocculant in flocculant tank 72 in flocculation basin 7, and using by motor, agitating shaft and agitating shaft
The rabbling mechanism that the blade of lower end is constituted is stirred, and flocculant is made to be uniformly mixed and flocculate agglomerating with the algae slurry after pressurization.It
Afterwards, it squeezes into dewaterer 9 and is dehydrated by the second slush pump 8 and the pipeline pockets of algae slurry that will flocculate.Followed by, blower is utilized
11, the hot wind that the temperature provided by hot air source 12 is 200 degrees Celsius is sent to the mud mouth of dewaterer 9, is gone out to by dewaterer 9
The algal gel of mud mouth carries out rapid draing, thus by the dry algae powder of algal gel.
Embodiment two
Cyanobacteria integral treatment method of the invention the following steps are included:
The algae slurry for being first 3% to the solid content for salvaging disembarkation pressurizes, its pressure is made to reach 0.8Mp；
Then, it is starched according to algae: flocculant=20:1 weight ratio, while the algae that flocculant is added after pressurization is starched, with stirring
It mixes device to be stirred, starches flocculant with algae and be uniformly mixed, keep algae slurry flocculation agglomerating.The flocculant is that weight content is
0.22% cationic polyacrylamide solution；
Later, the pockets of algae slurry that flocculates is dehydrated using centrifugal dehydrator, obtains algal gel；
Finally, algal gel is dried with 350 degrees Celsius of hot wind, algae powder is obtained.
As shown in Figure 1, cyanobacteria desiccation integral processing unit of the invention contains algae stock tank 1, the first slush pump 2, flocculation
Pond 7, the second slush pump 8, dewaterer 9, blower 11 and hot air source 12, first slush pump 2 is high pressure slurry pump.Dewaterer 9
Lower section be provided with algae powder hopper 13.The outlet of algae stock tank 1 is connected with the import of the first slush pump 2.The outlet of first slush pump 2 according to
Secondary the first solenoid valve 3, first pressure tank 4, second solenoid valve 5 and the third slush pump 6 of passing through is connected with the import of flocculation basin 7.Its
In, first row port is processed on first pressure tank 4, and first row air valve 401 is installed on first row port.The outlet of flocculation basin 7
It is linked together by the import of the second slush pump 8 and dewaterer 9, the import of blower 11 is connected with the outlet of hot air source 12, wind
The outlet of machine 11 exports the mud mouth 10 of firmly dewaterer 9 with 350 degree of hot winds that the outlet of blower 11 is sent to dewaterer 9
Algal gel is dried, to will dry algae powder by way of the algal gel of 9 mud mouth 10 of dewaterer and fall into the outlet of dewaterer 9 lower section
In algae powder hopper.
Wherein: the pressure of first pressure tank 4 and second pressure tank 41 is 0.8Mp；The dewaterer 9 is centrifugal dehydration
Machine；It is 350 degrees Celsius of hot winds to the temperature after air heating that the hot air source 10, which is with the burning of fuel oil or gas burner,.
In order to enable the invention to continuous processing algae slurry, between the outlet of the first slush pump 2 and the import of third slush pump 6
Also it is sequentially connected with third solenoid valve 31, second pressure tank 41 and the 4th solenoid valve 51.It is machined on second pressure tank 41 therein
Second exhaust port is equipped with second row air valve 411 in second exhaust port.
When work, the first solenoid valve 3 and first row air valve 401 are first opened, closes second solenoid valve 5 and third solenoid valve
31, start the first slush pump 2, algae is starched in indentation first pressure tank 4.When algae slurry fills first pressure tank 4, first row is closed
Air valve 401, and after the pressure in first pressure tank 4 reaches predetermined value, the first solenoid valve 3 is closed, 5 He of second solenoid valve is opened
First row air valve 401 starts third slush pump 6, and the algae slurry in first pressure tank 4 is squeezed into flocculation basin 7.Meanwhile opening the
Three solenoid valves 31 and second row air valve 411 close the 4th solenoid valve 51 and the first solenoid valve 3, starch algae by the first slush pump 2 and press
Enter in second pressure tank 41.When algae slurry fills second pressure tank 41, second row air valve 411 is closed, and to second pressure 41
After pressure reaches predetermined value, third solenoid valve 31 is closed, opens the 4th solenoid valve 51 and second row air valve 411, starts third mud
Stock pump 6, in the algae slurry flocculation basin 7 in second pressure tank 41.In short, second presses i.e. when first pressure tank 4 is when squeezing into algae slurry
Power tank 41 is in row's algae slurry.For first pressure tank 4 when arranging algae slurry, second pressure tank 41 is squeezing into algae slurry.So that 4 He of first pressure tank
Second pressure tank 41 takes turns to operate, it is ensured that the present invention being capable of continuous work.
It is furnished with rabbling mechanism in the flocculation basin 7.The rabbling mechanism contains motor, and the motor is fixed on wadding by bracket
On the pond mouthful in solidifying pond 7.The output shaft of motor downward, is provided with agitating shaft, the output shaft of agitating shaft upper end and motor below
It is connected, agitating shaft lower end is connected with blade.Agitating shaft lower end and blade protrude into flocculation basin 7.
To be additionally provided with flocculant tank 72, flocculant in the present embodiment convenient for adding flocculant from trend flocculation basin 7
Tank 72 is connected to by water pump 71 and pipeline with flocculation basin 7.Wherein, the flocculant added into flocculation basin 7 is starched according to algae: flocculation
Agent=20:1 weight ratio is added.The flocculant is that the cationic polyacrylamide that weight content is 0.22% is molten
Liquid.
When work, first the algae slurry for salvaging disembarkation is squeezed into algae stock tank 1.It later, will by high pressure slurry pump 2 and pipeline
Algae slurry in algae stock tank 1 is squeezed into first pressure tank 4 or second pressure tank 41 by the first solenoid valve 3 or second solenoid valve 31,
The pressure of the algae entered in first or second pressurized tank slurry is set to reach 0.8Mp.Then, then it is electric by second solenoid valve 5 or the 4th
Magnet valve 51 squeezes into the algae slurry after pressurization in flocculation basin 7.At the same time, it starches using water pump 71 and according to according to algae: flocculant=
The weight ratio of 20:1 squeezes into the flocculant in flocculant tank 72 in flocculation basin 7, and using by motor, agitating shaft and agitating shaft
The rabbling mechanism that the blade of lower end is constituted is stirred, and flocculant is made to be uniformly mixed and flocculate agglomerating with the algae slurry after pressurization.It
Afterwards, it squeezes into dewaterer 9 and is dehydrated by the second slush pump 8 and the pipeline pockets of algae slurry that will flocculate.Followed by, blower is utilized
11, the hot wind that the temperature provided by hot air source 12 is 350 degrees Celsius is sent to the mud mouth of dewaterer 9, is gone out to by dewaterer 9
The algal gel of mud mouth carries out rapid draing, thus by the dry algae powder of algal gel.
Embodiment three
Cyanobacteria integral treatment method of the invention the following steps are included:
The algae slurry for being first 5% to the solid content for salvaging disembarkation pressurizes, its pressure is made to reach 1Mp；
Then, it is starched according to algae: flocculant=20:1 weight ratio, while the algae that flocculant is added after pressurization is starched, with stirring
It mixes device to be stirred, starches flocculant with algae and be uniformly mixed, keep algae slurry flocculation agglomerating.The flocculant is that weight content is 0.3%
Cationic polyacrylamide solution；
Later, the pockets of algae slurry that flocculates is dehydrated using centrifugal dehydrator, obtains algal gel；
Finally, algal gel is dried with 400 degrees Celsius of hot wind, algae powder is obtained.
As shown in Figure 1, cyanobacteria desiccation integral processing unit of the invention contains algae stock tank 1, the first slush pump 2, flocculation
Pond 7, the second slush pump 8, dewaterer 9, blower 11 and hot air source 12, first slush pump 2 is high pressure slurry pump.Dewaterer 9
Lower section be provided with algae powder hopper 13.The outlet of algae stock tank 1 is connected with the import of the first slush pump 2.The outlet of first slush pump 2 according to
Secondary the first solenoid valve 3, first pressure tank 4, second solenoid valve 5 and the third slush pump 6 of passing through is connected with the import of flocculation basin 7.Its
In, first row port is processed on first pressure tank 4, and first row air valve 401 is installed on first row port.The outlet of flocculation basin 7
It is linked together by the import of the second slush pump 8 and dewaterer 9, the import of blower 11 is connected with the outlet of hot air source 12, wind
The outlet of machine 11 exports the mud mouth 10 of firmly dewaterer 9 with 400 degree of hot winds that the outlet of blower 11 is sent to dewaterer 9
Algal gel is dried, to will dry algae powder by way of the algal gel of 9 mud mouth 10 of dewaterer and fall into the outlet of dewaterer 9 lower section
In algae powder hopper 13.
Wherein: the pressure of first pressure tank 4 and second pressure tank 41 is 1Mp；The dewaterer 9 is centrifugal dehydrator；
It is 400 degrees Celsius of hot winds to the temperature after air heating that the hot air source 10, which is with the burning of fuel oil or gas burner,.
In order to enable the invention to continuous processing algae slurry, between the outlet of the first slush pump 2 and the import of third slush pump 6
Also it is sequentially connected with third solenoid valve 31, second pressure tank 41 and the 4th solenoid valve 51.It is machined on second pressure tank 41 therein
Second exhaust port is equipped with second row air valve 411 in second exhaust port.
When work, the first solenoid valve 3 and first row air valve 401 are first opened, closes second solenoid valve 5 and third solenoid valve
31, start the first slush pump 2, algae is starched in indentation first pressure tank 4.When algae slurry fills first pressure tank 4, first row is closed
Air valve 401, and after the pressure in first pressure tank 4 reaches predetermined value, the first solenoid valve 3 is closed, 5 He of second solenoid valve is opened
First row air valve 401 starts third slush pump 6, and the algae slurry in first pressure tank 4 is squeezed into flocculation basin 7.Meanwhile opening the
Three solenoid valves 31 and second row air valve 411 close the 4th solenoid valve 51 and the first solenoid valve 3, starch algae by the first slush pump 2 and press
Enter in second pressure tank 41.When algae slurry fills second pressure tank 41, second row air valve 411 is closed, and to second pressure 41
After pressure reaches predetermined value, third solenoid valve 31 is closed, opens the 4th solenoid valve 51 and second row air valve 411, starts third mud
Stock pump 6, in the algae slurry flocculation basin 7 in second pressure tank 41.In short, second presses i.e. when first pressure tank 4 is when squeezing into algae slurry
Power tank 41 is in row's algae slurry.For first pressure tank 4 when arranging algae slurry, second pressure tank 41 is squeezing into algae slurry.So that 4 He of first pressure tank
Second pressure tank 41 takes turns to operate, it is ensured that the present invention being capable of continuous work.
It is furnished with rabbling mechanism in the flocculation basin 7.The rabbling mechanism contains motor, and the motor is fixed on wadding by bracket
On the pond mouthful in solidifying pond 7.The output shaft of motor downward, is provided with agitating shaft, the output shaft of agitating shaft upper end and motor below
It is connected, agitating shaft lower end is connected with blade.Agitating shaft lower end and blade protrude into flocculation basin 7.
To be additionally provided with flocculant tank 72, flocculant in the present embodiment convenient for adding flocculant from trend flocculation basin 7
Tank 72 is connected to by water pump 71 and pipeline with flocculation basin 7.Wherein, the flocculant added into flocculation basin 7 is starched according to algae: flocculation
Agent=20:1 weight ratio is added.The flocculant is that the cationic polyacrylamide that weight content is 0.3% is molten
Liquid.
When work, first the algae slurry for salvaging disembarkation is squeezed into algae stock tank 1.It later, will by high pressure slurry pump 2 and pipeline
Algae slurry in algae stock tank 1 is squeezed into first pressure tank 4 or second pressure tank 41 by the first solenoid valve 3 or second solenoid valve 31,
The pressure of the algae entered in first or second pressurized tank slurry is set to reach 1Mp.Then, then pass through second solenoid valve 5 or the 4th electromagnetism
Valve 51 squeezes into the algae slurry after pressurization in flocculation basin 7.At the same time, it starches using water pump 71 and according to according to algae: flocculant=20:
1 weight ratio squeezes into the flocculant in flocculant tank 72 in flocculation basin 7, and using by under motor, agitating shaft and agitating shaft
The rabbling mechanism that the blade at end is constituted is stirred, and flocculant is made to be uniformly mixed and flocculate agglomerating with the algae slurry after pressurization.It
Afterwards, it squeezes into dewaterer 9 and is dehydrated by the second slush pump 8 and the pipeline pockets of algae slurry that will flocculate.Followed by, blower is utilized
11, the hot wind that the temperature provided by hot air source 12 is 400 degrees Celsius is sent to the mud mouth of dewaterer 9, is gone out to by dewaterer 9
The algal gel of mud mouth carries out rapid draing, to by the dry algae powder of algal gel and fall into the algae powder hopper 13 of the outlet of dewaterer 9 lower section.
Claims (8)
1. cyanobacteria desiccation integral processing method, it is characterised in that successively the following steps are included:
The algae slurry for being first 1 ~ 5% to solid content pressurizes, its pressure is made to reach 0.5 ~ 1Mp；
Then, starch according to algae: flocculant=20:1 weight ratio in the algae slurry that flocculant is added after pressurization and mixes equal
It is even, keep algae slurry flocculation agglomerating；
Later, the pockets of algae slurry that flocculates is dehydrated, obtains algal gel；
Finally, algal gel is dried, algae powder is obtained.
2. cyanobacteria desiccation integral processing method according to claim 1, it is characterised in that the flocculant is that weight contains
The cationic polyacrylamide solution that amount is 0.15 ~ 0.3%.
3. implementing the cyanobacteria desiccation integral processing unit of claim 1 the method, it is characterised in that including algae stock tank, first
Slush pump, flocculation basin, the second slush pump, dewaterer, blower and hot air source, first slush pump is high pressure slurry pump；Algae slurry
The outlet in pond is connected with the import of the first slush pump；The outlet of first slush pump pass sequentially through the first solenoid valve, first pressure tank,
Second solenoid valve and third slush pump are connected with the import of flocculation basin, and the outlet of flocculation basin passes through the second slush pump and dewaterer
Import links together；The import of blower is connected with the outlet of hot air source, and the outlet of blower is to the mud mouth lived with dewaterer.
4. cyanobacteria desiccation integral processing unit according to claim 3, it is characterised in that: first pressure tank and the second pressure
The pressure of power tank is 0.5 ~ 1Mp.
5. cyanobacteria desiccation integral processing unit according to claim 3, it is characterised in that: the dewaterer is that centrifugation is de-
Water dispenser.
6. cyanobacteria desiccation integral processing unit according to claim 3, it is characterised in that: the hot air source is to use fuel oil
Or the burning of gas burner is to the hot-air after air heating.
7. cyanobacteria desiccation integral processing unit according to claim 3, it is characterised in that: the outlet of the first slush pump with
Third solenoid valve, second pressure tank and the 4th solenoid valve are also sequentially connected between the import of third slush pump.
8. the cyanobacteria desiccation integral processing unit according to any one of claim 3 ~ 7, it is characterised in that: further include wadding
Solidifying agent tank, flocculant tank are connected by water pump with flocculation basin.
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Application publication date: 20191105 |