CN102070271B - Heating disinfection system of water for cultivation of alga - Google Patents

Heating disinfection system of water for cultivation of alga Download PDF

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Publication number
CN102070271B
CN102070271B CN2010105710371A CN201010571037A CN102070271B CN 102070271 B CN102070271 B CN 102070271B CN 2010105710371 A CN2010105710371 A CN 2010105710371A CN 201010571037 A CN201010571037 A CN 201010571037A CN 102070271 B CN102070271 B CN 102070271B
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seawater
thermal sterilization
water
micro
mentioned
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CN102070271A (en
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宫庆礼
邓志科
赫勇
刘建宝
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Ocean University of China
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Ocean University of China
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Abstract

The invention relates to a heating disinfection system of water for the cultivation of alga. The system comprises a sand filtration device connected with a seawater delivery pipe, a microfiltration device used for carrying the filtrate of the sand filtration device, a water storage tank used for carrying the filtrate of the microfiltration device and a water pump used for injecting the seawater of the water storage tank in a heating disinfection tank, wherein the inside of the heating disinfection tank is provided with an electric heating tube and a hot water output pipe used for sending the heated and disinfected seawater back to a heat exchanger; the heat exchanger is provided with a cold water charging pipe and a cold water discharging pipe which are used for charging and discharging cooling water respectively; and after heat exchange, the seawater for cultivation is ouput through the output pipe. The heating disinfection system of the invention has precise design, compact structure and small floor space and can be used for the heating disinfection of the water used for cultivating various marine organisms containing chlamydomonas. The automatic control of the whole flow can be realized, the consumption of manpower can be reduced, the efficiency of heating disinfection can be increased, the risks for the cultivations of marine organisms caused by the existences of mixed algae, bacteria, enemy organisms and contaminants in seawater can be effectively prevented.

Description

Algae culture water thermal sterilization system
Technical field
The present invention relates to a kind of thermal sterilization system; Be specifically related to a kind of algae culture water thermal sterilization system; Be applicable to produce to go up the algae culture water that comprises the unit cell algae is carried out thermal sterilization, also can be used for the thermal sterilization that general sea life are cultivated water simultaneously.
Background technology
At present; Cultivate in the link in the productivity of algae; With the unit cell algae is that example is the cultivation at open bioreactor basically, wherein popular with runway pond reactor drum again, but runway pond reactor drum exists the purity of cultivating the unit cell algae density and output not high, that cultivate the unit cell algae not enough; Even can cause cultivating failure because of the intrusion of harmful organisms and bacterium, this also is subject matter and deficiency that existing unit cell algae productivity cultivation field exists.The appearance of assorted algae makes that also the purity of cultivating the unit cell algae reduces greatly, and the growth of assorted algae sometimes even surpass needs the unit cell algae cultivated, and original culturing purposes is not reached.The intrusion of bacterium also makes the growth of unit cell algae receive havoc, even the situation of failure can occur cultivating.
The reason that above problem and shortage occurs is that after getting rid of the impure problem of algae kind itself, the quality of cultivating water has directly influenced the success or failure that the unit cell algae is cultivated, because generally contain assorted algae, bacterium, harmful organisms and pollution substance in the seawater.Seawater was effectively sterilized and to effective removing of assorted algae, bacterium, harmful organisms and pollution substance before getting into culture systems, thereby caused occurring cultivating in the unit cell algae culturing process problem of failure.
Summary of the invention
The object of the invention provides a kind of algae culture water thermal sterilization system, to overcome the deficiency of prior art.
A kind of algae culture water thermal sterilization system; It is characterized in that this system comprises the sand filtering device that is connected to the seawater transport pipe; Accept the micro-filtration and the aqua storage tank of accepting micro-filtration filtrating of sand filtering device filtrating; And the water pump that the seawater in the aqua storage tank is injected the thermal sterilization jar is arranged, described thermal sterilization jar includes electrothermal tube, and has the hot water delivery pipe road that the seawater behind the thermal sterilization is recycled to interchanger; Described interchanger has respectively the cold water of importing, export cooling water and gets into pipeline and cold water discharge line, and exports via the seawater of the cultivation usefulness of output channel after with heat exchange.
For the conserve water and the energy that is used to heat; And the occupation of land space of saving total system; Above-mentioned water pump reinjects the seawater in the aqua storage tank in the thermal sterilization jar behind interchanger; Thereby when the seawater behind the cooling thermal sterilization supplies the unit cell algae to cultivate, also make seawater before getting into the thermal sterilization jar, carry out preheating.
Above-mentioned sand filtering device carries out the first step to seawater and filters; It comprises that top is connected with the tank body of seawater transport pipe; This tank body top has overflow pipe, bottom that the recoil tube that is connected with the seawater transport pipe is arranged; And the rising pipe of discharging filtrating, and the top of inherent rising pipe of tank body and recoil tube is covered with 80 purpose Vilaterm meshes, metalling, coarse sands layer, sieve plate, fine sand layer from bottom to top successively, has water distributor to link to each other with the seawater transport pipe in the tank body above fine sand layer.
Above-mentioned micro-filtration is carried out the filtration of second step to seawater, and it comprises two micro-strainers that successively seawater carried out micro-filtration; Be provided with the overflow weir water distributor in the described micro-strainer, and this overflow weir water distributor below there is microstraining core.
Above-mentioned aqua storage tank comprises the float(ing)valve that has float switch that is connected with micro-filtration preventing overflowing of groove maritime interior waters, and this aqua storage tank has liquid level sensor so that observe the water level situation in the groove.
Consider the even and heat insulation effect of heat radiation; The cavity ball-like structure body that above-mentioned thermal sterilization jar is made up of two hemispherical Shells that fasten each other; Hemispherical Shell is covered with thermal insulation layer outward, and the electric heating tube of thermal sterilization jar is the corrosion-resistant titanium alloy material making good with heat conductivility.
The high temperature seawater of above-mentioned interchanger after to thermal sterilization lowered the temperature, and this interchanger has respectively the cold water of importing, export cooling water and gets into pipeline and cold water discharge line, uses seawater thereby high temperature seawater is lowered the temperature into the temperature suitable culture.
Above-mentioned water pump can adopt little, the high-power magnetic drive pump of volume.
Consider little rate effect, the microstraining core of two micro-strainers in the above-mentioned micro-filtration successively is 10 μ m and 5 μ m, thereby seawater is filtered layer by layer, reduces detrimental impurity and biological existence effectively.
Above-mentioned interchanger can be that corrosion resistant titanium alloy material is made.
The present invention is the custom-designed cover thermal sterilization system that requires according to the algae culture water, can be applicable to the thermal sterilization that various sea life are cultivated water, especially is fit to be applied to unit cell algae continuous culture system.The present invention to the filtration of seawater and the further purification of micro-filtration, can remove the assorted algae of great majority, bacterium, harmful organisms and pollutent in the seawater through sand filtering device in the system.Through the thermal sterilization jar pasteurization technology is introduced native system, in keeping seawater,, also removed the harmful organisms such as bacterium that possibly contain in the seawater in the useful nutritive substance of unit cell algae growth.Sand filtering device, micro-filtration and the effective integration of thermal sterilization jar in system are that culture successful unit cell algae provides the multilayer guarantee aspect water quality.The ingenious setting of interchanger in system can supply at the seawater behind the cooling thermal sterilization also to make seawater before getting into the thermal sterilization jar, carry out preheating in the cultivation of unit cell algae, practiced thrift the water and the energy that is used to heat, and also saved the occupation of land space of system.
It is little that the present invention designs precision, compact conformation, floor space, and whole heating disinfection flow process can realize automation control, has reduced the consumption of manpower, has improved the efficient of heating disinfection.Seawater after this thermal sterilization system handles can satisfy the unit cell algae fully and cultivate the requirement to seawater quality, effectively taken precautions against in the seawater because of the existence of mix algae, bacterium, harmful organisms and pollutent to risk that algae culture caused.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Fig. 2 is the present invention with seawater earlier through the reinject synoptic diagram of thermal sterilization jar of interchanger.
Fig. 3 is a sand filtering device structural representation of the present invention.
Fig. 4 is a micro-filtration structural representation of the present invention.
Wherein, 1, the seawater transport pipe, 2, sand filtering device, 3, micro-filtration, 4, the thermal sterilization jar, 5, float(ing)valve; 6, aqua storage tank, 7, float switch, 8, liquid level sensor, 9, return line, 10, water pump; 11, cold water gets into pipeline, and 12, the cold water discharge line, 13, interchanger, 14, the seawater input channel, 15, hemispherical Shell; 16, discharger, 17, vapor pipe, 18, electrothermal tube, 19, base, 20, thermal insulation layer; 21, hot water delivery pipe road, 22, output channel, 23, conduit, 24, drainage pipeline, 25, housing;
201, tank body, 202, coarse sands layer, 203,80 purpose Vilaterm meshes, 204, recoil tube, 205, overflow pipe, 206, fine sand layer, 207, sieve plate, 208, metalling, 209, rising pipe, 210, water distributor;
301, micro-strainer, 302, the overflow weir water distributor, 303, microstraining core.
Embodiment
Like Fig. 1,3, shown in 4; The present invention includes the sand filtering device 2 that is connected to seawater transport pipe 1; Accept the micro-filtration 3 and the aqua storage tank 6 of accepting micro-filtration 3 filtratings of sand filtering device 2 filtratings; And the water pump 10 that the seawater in the aqua storage tank 6 is injected thermal sterilization jar 4 is arranged, described thermal sterilization jar 4 includes electrothermal tube 18, and has the hot water delivery pipe road 21 that the seawater behind the thermal sterilization is recycled to interchanger 13; Described interchanger 13 has respectively the cold water of importing, export cooling water and gets into pipeline 11 and cold water discharge line 12, and via the seawater output of output channel 22 with the cultivation usefulness after the heat exchange.
As shown in Figure 2; For the conserve water and the energy that is used to heat; Save the occupation of land space of total system; Above-mentioned water pump 10 reinjects the seawater in the aqua storage tank 6 in the thermal sterilization jar 4 behind interchanger 13, thereby when the seawater behind the cooling thermal sterilization supplies the unit cell algae to cultivate, also makes seawater before getting into the thermal sterilization jar, carry out preheating.
Consider to make the cultivation water that gets in the unit cell algae culture systems maintain the required temperature of unit cell algae growth, the high temperature seawater behind 13 pairs of thermal sterilizations of above-mentioned interchanger is lowered the temperature.For conserve water and heating energy source, and make more compact and reasonable of system architecture, reduce floor space; Make full use of the heat of the seawater after 4 heating of heating disinfection jar, and the seawater of seawater conveyance conduit 1 is carried out preheating, seawater can be cooled off the high temperature seawater behind heating disinfection as cooling water; The cold water discharge line 12 that is heat exchanger 13 is connected with seawater conveyance conduit 1; Seawater gets into seawater conveyance conduit 1 by cold water discharge line 12 after at first getting into the cold water entering pipeline 11 of heat exchanger 13 as cooling water again, not only can lower the temperature to high temperature seawater; Also realized the preheating of seawater killed two birds with one stone.Above-mentioned interchanger 13 can be that corrosion resistant titanium alloy material is made.
Because of often containing suspended matter, algae, pollution substance, bacterium in the seawater, before getting into unit cell algae culture systems, need effectively to remove.The present invention filters sand filtering device 2 as the first step, with the oils in the seawater, the algae that swims, harmful organisms, macro-organism and oarse-grained pollutent is disposable removes.
As shown in Figure 3; Sand filtering device 2 of the present invention comprises that top is connected with the tank body 201 of seawater transport pipe 1; The recoil tube 204 that these tank body 201 tops have overflow pipe 205, bottom to have to be connected with seawater transport pipe 1; And the rising pipe 209 of discharging filtrating; And the top of inherent rising pipes 209 of tank body 201 and recoil tube 204 is covered with 80 purpose Vilaterm meshes 203, metalling 208, coarse sands layer 202, sieve plate 207, fine sand layer 206 from bottom to top successively, has water distributor 210 to link to each other with seawater transport pipe 1 in the tank body 201 above fine sand layer 206.The above-mentioned seawater transport pipe 1 terminal water distributor 210 that is located at can make seawater be sprinkled upon equably on each filter material layer from top to bottom, thereby improves filter effect.
In order effectively to clean sandfiltration pot, guarantee the continued running of system, adopt backsurging principle that the impurity that is trapped on the filter material is effectively removed in the sandfiltration pot, promptly recoil tube 204 inserts clear water, thereby sand filtering device 2 interior impurity are discharged via overflow pipe 205.
Like Fig. 1, shown in 2, during use, can two sand filtering devices 2 be filtered seawater continuously, not only can reach good filter effect, can also reduce the impurity that gets into micro-filtration 3; And can sand filtering device 2 be placed outside the housing 25 so that clean, care and maintenance, will removing the miscellaneous part the sand filtering device 2, all to be integrated in housing 25 interior to reduce volume and floor space.
Like Fig. 1, shown in 2 and 4, for the seawater after sand filtering device 2 is filtered further filters, after sand filtering device 2, also be connected to micro-filtration 3, this micro-filtration 3 comprises two micro-strainers 301 that successively seawater carried out micro-filtration; Be provided with overflow weir water distributor 302 in the described micro-strainer 301 and can realize the uniform distribution of seawater in device; And there is microstraining core 303 these overflow weir water distributor 302 belows.Through selecting the microstraining core of suitable molecular weight cut-off, can realize effectively catching to pollutent in the seawater and organism and harmful organisms; Two micro-strainers 301 can be equipped with the microstraining core 303 of 10 μ m and 5 μ m specifications successively, and seawater is made two-stage filtration, realize that purify the second time of seawater.When rejecting wherein objectionable impurities, can make organic substance obtain keeping, and easy to use.
Like Fig. 1, shown in 2, in order in the thermal sterilization system, temporarily to store and to precipitate seawater, simultaneously as a kind of sea container with shock absorption, the present invention is provided with the aqua storage tank 6 of accepting micro-filtration 3 filtratings.The float(ing)valve that have float switch 75 of this aqua storage tank 6 through being connected with micro-filtration 3 can effectively be controlled the entering of seawater, and is implemented in the effective operation under the unmanned condition, prevents the situation of spilling water or lack of water.When retaining in the groove reached preset capacity, float switch 7 cut out, and no longer advances seawater; When the seawater capacity reduced, float switch 7 was opened, and continues water inlet.Liquid level sensor 8 can in time be delivered to the water level in the aqua storage tank 6 outside the system, is convenient to the residual content that operator in time understand seawater in the aqua storage tank 6.
Like Fig. 1, shown in 2, consider through suitable temperature (80 ℃) bacterium in the seawater and other harmful organisms killed that make organism and benefit materials in the seawater be able to keep again, the present invention combines the principle of pasteurization, and thermal sterilization jar 4 is set.Consider the spatial maximum using, the cavity ball-like structure body that above-mentioned thermal sterilization jar 4 is made up of two hemispherical Shells 15 that each other fasten, and the base 19 that adapts with this hemispherical Shell 15.Lost in order to prevent a jar interior heat, and keep the constant temperature of for some time, the hemispherical Shell 15 outer thermal insulation layers 20 that are covered with.The electric heating tube 18 of thermal sterilization jar 4 is corrosion-resistant titanium alloy material making good with heat conductivility, has avoided electric heating tube 18 to be corroded because of being soaked in for a long time in the higher seawater of temperature.
Like Fig. 1, shown in 2, above-mentioned water pump 10 also can have the return line 9 that leads to aqua storage tank 6, in case can seawater be recycled to aqua storage tank 6 during pipe blocking, above-mentioned water pump 10 can adopt little, the high-power magnetic drive pump of volume.
Like Fig. 1, shown in 2, seawater input channel 14 from seawater to thermal sterilization jar 4 that import has discharger 16, with the carrying capacity of control to thermal sterilization jar 4; Thermal sterilization jar 4 is provided with the vapor pipe 17 of band air valve, can prevent thermal sterilization jar 4 internal causes heating and the vapor pressure that produces is excessive; The output channel 22 of the seawater of the cultivation usefulness after heat exchange output can and not had the drainage pipeline 24 of valve through the valvular conduit 23 of threeway connecting band; The former can be used for the breeding facility that cultivation stage supplies water, and the latter can be used for needing to continue the breeding facility of water supply.

Claims (10)

1. algae culture water thermal sterilization system; It is characterized in that this system comprises the sand filtering device (2) that is connected to seawater transport pipe (1); Accept the micro-filtration (3) of sand filtering device (2) filtrating and accept the aqua storage tank (6) of micro-filtration (3) filtrating; And the water pump (10) that the seawater in the aqua storage tank (6) is injected thermal sterilization jar (4) is arranged, described thermal sterilization jar (4) includes electrothermal tube (18), and has the hot water delivery pipe road (21) that the seawater behind the thermal sterilization is recycled to interchanger (13); Described interchanger (13) has respectively the cold water of importing, export cooling water and gets into pipeline (11) and cold water discharge line (12), and via the seawater output of output channel (22) with the cultivation usefulness after the heat exchange;
The cavity ball-like structure body that above-mentioned thermal sterilization jar (4) is made up of two hemispherical Shells (15) that fasten each other, the outer thermal insulation layer (20) that is covered with of hemispherical Shell (15).
2. thermal sterilization as claimed in claim 1 system is characterized in that above-mentioned water pump (10) reinjects the seawater in the aqua storage tank (6) in the thermal sterilization jar (4) behind interchanger (13).
3. according to claim 1 or claim 2 thermal sterilization system is characterized in that the cold water discharge line (12) of above-mentioned interchanger (13) is connected with seawater transport pipe (1).
4. thermal sterilization as claimed in claim 1 system; It is characterized in that above-mentioned sand filtering device (2) comprises that top is connected with the tank body of seawater transport pipe (1) (201); The recoil tube (204) that overflow pipe (205) is arranged at this tank body (201) top, the bottom has is connected with seawater transport pipe (1); And the rising pipe (209) of discharging filtrating; And the top of inherent rising pipe of tank body (201) (209) and recoil tube (204) is covered with 80 purpose Vilaterm meshes (203), metalling (208), coarse sands layer (202), sieve plate (207), fine sand layer (206) from bottom to top successively, in the tank body (201) of fine sand layer (206) top, has water distributor (210) to link to each other with seawater transport pipe (1).
5. thermal sterilization as claimed in claim 1 system is characterized in that above-mentioned micro-filtration (3) comprises two micro-strainers (301) that successively seawater carried out micro-filtration; Be provided with overflow weir water distributor (302) in the described micro-strainer (301), and this overflow weir water distributor (302) below there is microstraining core (303).
6. according to claim 1 or claim 2 thermal sterilization system it is characterized in that above-mentioned aqua storage tank (6) comprises the float(ing)valve that has float switch (7) (5) that is connected with micro-filtration (3), and this aqua storage tank (6) has liquid level sensor (8).
7. thermal sterilization as claimed in claim 1 system, the electric heating tube (18) that it is characterized in that above-mentioned thermal sterilization jar (4) is that titanium alloy material is made.
8. according to claim 1 or claim 2 thermal sterilization system is characterized in that above-mentioned water pump (10) is a magnetic drive pump.
9. like claim 1 or 5 described thermal sterilization systems, it is characterized in that the microstraining core (303) of two micro-strainers (301) in the above-mentioned micro-filtration (3) is 10 μ m and 5 μ m successively.
10. like claim 1 or 3 described thermal sterilization systems, it is characterized in that above-mentioned interchanger (13) is to make with titanium alloy material.
CN2010105710371A 2010-12-02 2010-12-02 Heating disinfection system of water for cultivation of alga Expired - Fee Related CN102070271B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2756766A3 (en) * 2013-01-17 2014-09-17 Crespo Cardona, Jorge Diaz Brine and method for the manufacture thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102674486A (en) * 2012-05-29 2012-09-19 山东安源水产股份有限公司 Heating disinfection method and device for microalgae cultivating water

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Publication number Priority date Publication date Assignee Title
EP0481932A1 (en) * 1990-10-17 1992-04-22 PROMOZIONE COMMERCIO S.r.L. Method and apparatus for fish breeding
EP1092475A2 (en) * 1999-10-04 2001-04-18 SANYO ELECTRIC Co., Ltd. Waste water treatment apparatus
CN2856026Y (en) * 2006-06-07 2007-01-10 北京瑞事达科技发展中心有限责任公司 Sterilizing filtering pot
CN101353199A (en) * 2008-09-12 2009-01-28 北京化工大学 Combined sterilizing and algae-removing technology of sewerage by efficient oxidation process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0481932A1 (en) * 1990-10-17 1992-04-22 PROMOZIONE COMMERCIO S.r.L. Method and apparatus for fish breeding
EP1092475A2 (en) * 1999-10-04 2001-04-18 SANYO ELECTRIC Co., Ltd. Waste water treatment apparatus
CN2856026Y (en) * 2006-06-07 2007-01-10 北京瑞事达科技发展中心有限责任公司 Sterilizing filtering pot
CN101353199A (en) * 2008-09-12 2009-01-28 北京化工大学 Combined sterilizing and algae-removing technology of sewerage by efficient oxidation process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2756766A3 (en) * 2013-01-17 2014-09-17 Crespo Cardona, Jorge Diaz Brine and method for the manufacture thereof

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