CN218058714U - Seawater culture pond pretreatment equipment and seawater aquaculture system - Google Patents
Seawater culture pond pretreatment equipment and seawater aquaculture system Download PDFInfo
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- CN218058714U CN218058714U CN202222081642.1U CN202222081642U CN218058714U CN 218058714 U CN218058714 U CN 218058714U CN 202222081642 U CN202222081642 U CN 202222081642U CN 218058714 U CN218058714 U CN 218058714U
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Abstract
The application provides a mariculture pond pretreatment device and a mariculture system. The seawater culture pond pretreatment equipment comprises a flocculation and precipitation device, a pure oxygen aeration device and an air aeration channel mixing device, wherein the flocculation and precipitation device comprises a water storage system, a polyaluminium chloride stirring tank, a PAM stirring tank and a precipitation tank which are sequentially communicated, and a secondary precipitation tank is provided with a water outlet weir; the flocculation precipitation device also comprises a polyaluminium chloride dosing system, a PAM dosing system and a sludge treatment system; the pure oxygen aeration device comprises an oxygen generator, an ozone generation system, a pure oxygen aeration tank and a pure oxygen aeration disc, wherein a first drainage pipe is arranged on one side of the pure oxygen aeration tank; the air aeration channel mixing device comprises an air aeration channel, an air aeration disc and an air inlet system, wherein a second drain pipe is arranged on one side of the air aeration channel; the pretreatment equipment for the mariculture pond has the advantages of strong capability of eliminating black odorous substances in black odorous wastewater and high flexibility of an operation mode.
Description
Technical Field
The utility model relates to a seawater aquaculture system's technical field especially relates to a mariculture pond pre treatment equipment.
Background
The mariculture pond can produce black smelly waste water, therefore need carry out preliminary treatment and advanced treatment to black smelly waste water in proper order, wherein, the preliminary treatment is mainly handled black smelly material in black smelly waste water, generally adopts mariculture pond preliminary treatment equipment to handle. However, the effect of removing COD, SS and suspended organic matters in black and odorous wastewater by using the conventional pretreatment equipment for the seawater culture pond is poor, so that black and odorous substances still exist in the pretreated black and odorous wastewater, and the capability of removing black and odorous water by using the conventional pretreatment equipment for the seawater culture pond is poor. Moreover, the mariculture pond pretreatment equipment can reach the discharge standard only under the condition of combining with the advanced treatment of a subsequent system, but cannot be independently used as a treatment unit for eliminating black smelly substances, so that the flexibility of the operation mode of the mariculture pond pretreatment equipment is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, provide a stronger and higher mariculture pond preliminary treatment equipment of the flexibility ratio of operation mode of the black and odorous elimination ability of water and sea water aquaculture system.
The purpose of the utility model is realized through the following technical scheme:
a mariculture pond pretreatment apparatus comprising:
the flocculation and sedimentation device comprises a water storage system, a polyaluminium chloride stirring tank, a PAM stirring tank and a sedimentation tank which are sequentially communicated, wherein the secondary sedimentation tank is provided with a water outlet weir; the flocculation precipitation device further comprises a polyaluminium chloride dosing system, a PAM dosing system and a sludge treatment system, wherein the output end of the water storage system is communicated with the polyaluminium chloride stirring tank, the output end of the polyaluminium chloride dosing system is communicated with the polyaluminium chloride stirring tank, the PAM dosing system is communicated with the PAM stirring tank, and the input end of the sludge treatment system is communicated with the output end of the sedimentation tank;
the pure oxygen aeration device comprises an oxygen generator, an ozone generation system, a pure oxygen aeration tank and a pure oxygen aeration disc, wherein the pure oxygen aeration tank is communicated with the output end of the sedimentation tank, and a first drainage pipe is arranged on one side of the pure oxygen aeration tank; the output end of the oxygen generator is respectively communicated with the ozone generation system and the pure oxygen aeration disc, and the pure oxygen aeration tank is communicated with the ozone generation system; and
the air aeration channel mixing device comprises an air aeration channel, an air aeration disc and an air inlet system, wherein a second drain pipe is arranged on one side of the air aeration channel; the air aeration disc is communicated with the output end of the air inlet system, and the air aeration channel is communicated with the output end of the pure oxygen aeration tank.
In one embodiment, the water storage system comprises a water storage tank and a water conveying pipe, and two ends of the water conveying pipe are respectively communicated with the water storage tank and the polyaluminium chloride stirring tank.
In one embodiment, the polyaluminium chloride dosing system comprises a polyaluminium chloride medicament barrel, a polyaluminium chloride dosing pump and a polyaluminium chloride dosing pipe which are sequentially communicated, wherein the polyaluminium chloride dosing pipe is communicated with the polyaluminium chloride stirring tank.
In one of them embodiment, PAM charge system includes PAM medicament bucket, PAM dosing pump and PAM dosing pipe that communicate in proper order, PAM dosing pipe with PAM stirring pond intercommunication.
In one embodiment, the sludge treatment system comprises a sludge pipe and a sludge pump, wherein two ends of the sludge pipe are respectively communicated with the sedimentation tank and the polyaluminium chloride stirring tank, the sludge pump is arranged on the sludge pipe, and a sludge discharge port is formed in one side of the sludge pump.
In one embodiment, the effluent weir is in communication with the pure oxygen aeration tank.
In one embodiment, the first drain pipe is in communication with the air aeration channel.
In one embodiment, the ozone generation system comprises an ozone generator, a gas-liquid mixing pump and a cyclone flow impeller which are sequentially communicated, wherein the cyclone flow impeller is arranged in the pure oxygen aeration tank; the oxygen generator is communicated with the ozone generator.
In one embodiment, the air inlet system comprises a roots blower and an air inlet pipe, and two ends of the air inlet pipe are respectively communicated with the roots blower and the air aeration disc.
A marine aquaculture system comprising a mariculture pond pretreatment apparatus as in any one of the embodiments above.
Compared with the prior art, the utility model discloses at least, following advantage has:
1. the seawater culture pond pretreatment equipment can flocculate and precipitate pollutants by using the black and odorous wastewater of the flocculation and precipitation device, and then jointly treat the wastewater by using the pure oxygen aeration device and the air aeration channel mixing device so as to improve the dissolved oxygen content of the water body, so that the black and odorous substances in the black and odorous wastewater can be thoroughly removed, and the seawater culture pond pretreatment equipment has stronger capacity of eliminating the black and odorous water body;
2. the mariculture pond pretreatment equipment can be used for jointly treating the black and odorous wastewater under the condition of a follow-up system, so that the black and odorous wastewater reaches the discharge standard, and can also be used for independently treating the black and odorous wastewater under the condition of being used as a black and odorous matter elimination treatment unit alone, so that the black and odorous wastewater reaches the discharge standard, and the running mode of the mariculture pond pretreatment equipment is higher in flexibility.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a seawater culture pond pretreatment apparatus according to an embodiment;
FIG. 2 is a schematic view of a partial structure of the pretreatment apparatus for a seawater culture pond shown in FIG. 1;
FIG. 3 is another schematic view of a partial structure of the pretreatment apparatus for a seawater culture pond shown in FIG. 1;
FIG. 4 is a schematic view of another partial structure of the pretreatment apparatus for the mariculture pond shown in FIG. 1.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 4, a seawater culture pond pretreatment apparatus 10 of an embodiment includes a flocculation device 100, a pure oxygen aeration device 200, and an air aeration canal mixing device 300; the flocculation and sedimentation device 100 comprises a water storage system 110, a polyaluminium chloride stirring tank 120, a PAM stirring tank 130 and a sedimentation tank 160 which are sequentially communicated, wherein the sedimentation tank 160 is provided with a water outlet weir 161 so that the supernatant of the sedimentation tank 160 can be discharged from the sedimentation tank 160; the flocculation deposition device 100 further comprises a polyaluminium chloride dosing system 140, a PAM dosing system 150 and a sludge treatment system 170; a through hole is formed between the polyaluminium chloride stirring tank 120 and the PAM stirring tank 130, and a through hole is formed between the sedimentation tank 160 and the PAM stirring tank 130, so that the polyaluminium chloride stirring tank 120, the PAM stirring tank 130 and the sedimentation tank 160 are sequentially communicated. The output end of the water storage system 110 is communicated with the polyaluminium chloride stirring tank 120, so that the black and odorous wastewater in the water storage tank 111 flows into the polyaluminium chloride stirring tank 120, and the output end of the polyaluminium chloride dosing system 140 is communicated with the polyaluminium chloride stirring tank 120, so that the polyaluminium chloride dosing system 140 injects the polyaluminium chloride solution into the polyaluminium chloride stirring tank 120 for stirring, and further the polyaluminium chloride solution and the black and odorous wastewater react to form flocs. The PAM dosing system 150 is communicated with the PAM stirring tank 130 so that the PAM dosing system 150 injects a PAM solution into the PAM stirring tank 130 for stirring, and then a mixed solution of the black and odorous wastewater and a polyaluminum chloride solution is fully mixed with the PAM solution to form a large floc, the input end of the sludge treatment system 170 is communicated with the output end of the sedimentation tank 160 so that sludge generated during sedimentation in the sedimentation tank 160 flows into the sludge treatment system 170, and the purpose of removing suspended organic matters and colloidal substances in the black and odorous wastewater is achieved;
as shown in fig. 1, further, the pure oxygen aeration apparatus 200 comprises a pure oxygen aeration tank 210, an ozone generation system 220, a pure oxygen aeration tray 230 and an oxygen generator 240, wherein the pure oxygen aeration tank 210 is communicated with an output end of the sedimentation tank 160 so that the wastewater treated by the sedimentation tank 160 flows into the pure oxygen aeration tank 210, and a first drain pipe 211 is arranged at one side of the pure oxygen aeration tank 210 so that the wastewater treated by the pure oxygen aeration apparatus 200 is discharged out of the pure oxygen aeration tank 210; the output end of the oxygen generator 240 is respectively communicated with the ozone generating system 220 and the pure oxygen aeration disc 230, so that the oxygen generator 240 can deliver oxygen to the pure oxygen aeration tank 210 through the pure oxygen aeration disc 230, and can also provide pure oxygen for the ozone generating system 220, that is, the oxygen generator 240 provides raw materials for producing ozone for the ozone generating system 220. The pure oxygen aeration tank 210 is communicated with the ozone generation system 220, so that the ozone produced by the ozone generation system 220 can be fully mixed with the black and odorous wastewater treated by the flocculation and precipitation device 100, the dissolved oxygen content of the water body is improved, and then soluble organic matters in the wastewater are removed, so that the purpose of eliminating the black and odorous water body is achieved;
as shown in fig. 1, further, the air aeration channel mixing device 300 includes an air aeration channel 310, an air aeration tray 330 and an air intake system 320, wherein the air aeration channel 310 is communicated with the output end of the pure oxygen aeration tank 210, so that the wastewater treated by the pure oxygen aeration tank 210 flows to the air aeration channel 310. A second drain pipe 311 is provided at one side of the air aeration channel 310 to drain the wastewater treated through the air aeration channel 310 out of the air aeration channel 310. The air aeration disc 330 is communicated with the output end of the air inlet system 320, so that air enters the air aeration channel 310 to be mixed with wastewater, the dissolved oxygen amount of the water body is further increased, and the water body reacts with the unreacted low dissolved oxygen black and odorous water body to reach the purpose of thoroughly eliminating the black and odorous water body.
As shown in fig. 1, in the embodiment, when the mariculture pond pretreatment apparatus 10 is operated, first, black and odorous wastewater in the reservoir 111 is injected into the polyaluminium chloride stirring tank 120 through the water pipe 112, and the polyaluminium chloride adding system 140 injects the polyaluminium chloride solution into the polyaluminium chloride stirring tank 120 to be stirred, so that the polyaluminium chloride solution reacts with the black and odorous wastewater to form flocs, and injects the mixed solution of the black and odorous wastewater and the polyaluminium chloride solution into the PAM stirring tank 130, and the PAM adding system 150 injects the PAM solution into the PAM stirring tank 130 to be stirred, so that the mixed solution of the aluminum chloride solution and the black and odorous wastewater is sufficiently mixed with the PAM solution to form larger flocs, and then injects the mixed solution with the larger flocs into the settling tank 160 to be settled, so that SS and colloidal organics in the black and odorous wastewater are settled, and further, so that the precipitates in the black and odorous wastewater are separated from a supernatant, and the supernatant is discharged through the effluent weir 161, and the precipitates enter the sludge pump 171 and pass through the sludge discharge port 171 on the sludge pump to be discharged as SS and organic matters in the black and colloidal organic matters removed;
as shown in fig. 1, then, the supernatant discharged after being processed by the flocculation device 100 is injected into the pure oxygen aeration tank 210 through the water outlet weir 161, and the oxygen generator 240 provides pure oxygen for the ozone generation system 220 at one side, that is, the oxygen generator 240 provides a raw material of ozone for the ozone generation system 220, so that the ozone generation system 220 injects the produced ozone into the gas-liquid mixing pump 222, and further the ozone in the gas-liquid mixing pump 222 is dissolved in the water, and then the water containing ozone is injected into the cyclone impeller 221 through the gas-liquid mixing pump 222, and the cyclone impeller 221 injects the mixed liquid into the pure oxygen aeration tank 210, so that the dissolved oxygen content in the supernatant is increased, and the oxygen generator 240 further transmits pure oxygen into the pure oxygen aeration tray 230, and then transmits pure oxygen into the pure oxygen aeration tank 210 through the pure oxygen aeration tray 230, so that the dissolved oxygen content in the supernatant is further increased, and further the easily decomposable small molecular black and odorous compounds in the supernatant can be removed;
as shown in fig. 1, finally, the supernatant processed by the pure oxygen aeration apparatus 200 is injected into the air aeration channel 310 through the first drain pipe 211, the roots blower 321 extracts air and transmits the air to the air aeration tray 330 through the air inlet pipe 322, and then transmits the air to the air aeration channel 310 through the air aeration tray 330, so that the high dissolved oxygen water in the supernatant is mixed with the low dissolved oxygen water, the dissolved oxygen content of the water is increased, the unreacted low dissolved oxygen black and odorous water continues to react, and the black and odorous water is thoroughly eliminated.
Foretell mariculture pond pretreatment facilities 10, because mariculture pond pretreatment facilities 10 accessible flocculation and precipitation device 100 handles black smelly waste water to make pollutant flocculation and precipitation, rethread pure oxygen aeration equipment 200 and air aeration canal mixing arrangement 300 handle waste water jointly, so that the water dissolved oxygen content improves, can thoroughly clear away the black smelly material in the black smelly waste water, and then make mariculture pond pretreatment facilities 10 stronger to the black smelly elimination ability of water. Moreover, the mariculture pond pretreatment device 10 can jointly treat the black and odorous wastewater under the condition of a subsequent system, so that the black and odorous wastewater reaches the discharge standard, and can also treat the black and odorous wastewater independently under the condition of being used as a black and odorous matter elimination treatment unit independently, so that the black and odorous wastewater reaches the discharge standard, and the running mode of the mariculture pond pretreatment device 10 is higher in flexibility.
As shown in fig. 1, in one embodiment, the water storage system 110 includes a water storage tank 111 and a water delivery pipe 112, the polyaluminium chloride dosing system 140 includes a polyaluminium chloride chemical tank 141, a polyaluminium chloride dosing pump 142 and a polyaluminium chloride dosing pipe 143 which are sequentially connected, the sludge treatment system 170 includes a sludge pipe 172 and a sludge pump 171, the PAM dosing system 150 includes a PAM chemical tank 151, a PAM dosing pump 152 and a PAM dosing pipe 153 which are sequentially connected, the ozone generation system 220 includes an ozone generator 223, a gas-liquid mixing pump 222 and a cyclone flow driver 221 which are sequentially connected, and the air intake system 320 includes a roots blower 321 and an air intake pipe 322; two ends of the water delivery pipe 112 are respectively communicated with the reservoir 111 and the polyaluminium chloride stirring tank 120, the polyaluminium chloride dosing pipe 143 is communicated with the polyaluminium chloride stirring tank 120, the PAM dosing pipe 153 is communicated with the PAM stirring tank 130, two ends of the sludge pipe 172 are respectively communicated with the sedimentation tank 160 and the polyaluminium chloride stirring tank 120, the sludge pump 171 is arranged on the sludge pipe 172, and one side of the sludge pump 171 is provided with a sludge outlet; the effluent weir 161 is communicated with the pure oxygen aeration tank 210, the first water discharge pipe 211 is communicated with the air aeration channel 310, wherein the cyclone flow impeller 221 is arranged in the pure oxygen aeration tank 210, and the oxygen generator 240 is communicated with the ozone generator 223; the two ends of the air inlet pipe 322 are respectively communicated with the Roots blower 321 and the air aeration disc 330.
The present application also provides a marine aquaculture system comprising a mariculture pond pretreatment apparatus 10 according to any of the embodiments described above.
As shown in fig. 1 to 4, in one embodiment, the seawater culture pond pretreatment apparatus 10 comprises a flocculation settling device 100, a pure oxygen aeration device 200 and an air aeration canal mixing device 300; the flocculation and sedimentation device 100 comprises a water storage system 110, a polyaluminium chloride stirring tank 120, a PAM stirring tank 130 and a sedimentation tank 160 which are sequentially communicated, wherein the sedimentation tank 160 is provided with a water outlet weir 161 so that the supernatant of the sedimentation tank 160 can be discharged from the sedimentation tank 160; the flocculation deposition device 100 further comprises a polyaluminium chloride dosing system 140, a PAM dosing system 150 and a sludge treatment system 170; a through hole is formed between the polyaluminium chloride stirring tank 120 and the PAM stirring tank 130, and a through hole is formed between the sedimentation tank 160 and the PAM stirring tank 130, so that the polyaluminium chloride stirring tank 120, the PAM stirring tank 130 and the sedimentation tank 160 are sequentially communicated. The output end of the water storage system 110 is communicated with the polyaluminium chloride stirring tank 120, so that the black and odorous wastewater in the water storage tank 111 flows into the polyaluminium chloride stirring tank 120, and the output end of the polyaluminium chloride dosing system 140 is communicated with the polyaluminium chloride stirring tank 120, so that the polyaluminium chloride dosing system 140 injects the polyaluminium chloride solution into the polyaluminium chloride stirring tank 120 for stirring, and further the polyaluminium chloride solution and the black and odorous wastewater react to form flocs. The PAM dosing system 150 is communicated with the PAM stirring tank 130 so that the PAM dosing system 150 injects a PAM solution into the PAM stirring tank 130 for stirring, and then a mixed solution of the black and odorous wastewater and a polyaluminium chloride solution is fully mixed with the PAM solution to form a large floc, the input end of the sludge treatment system 170 is communicated with the output end of the sedimentation tank 160 so that sludge generated during sedimentation in the sedimentation tank 160 flows into the sludge treatment system 170, and the purpose of removing suspended organic matters and colloidal substances in the black and odorous wastewater is achieved;
as shown in fig. 1, further, the pure oxygen aeration apparatus 200 comprises a pure oxygen aeration tank 210, an ozone generation system 220, a pure oxygen aeration tray 230 and an oxygen generator 240, wherein the pure oxygen aeration tank 210 is communicated with the output end of the sedimentation tank 160 so that the wastewater treated by the sedimentation tank 160 flows into the pure oxygen aeration tank 210, and a first drain pipe 211 is arranged at one side of the pure oxygen aeration tank 210 so that the wastewater treated by the pure oxygen aeration apparatus 200 is discharged out of the pure oxygen aeration tank 210; the output end of the oxygen generator 240 is respectively communicated with the ozone generating system 220 and the pure oxygen aeration disc 230, so that the oxygen generator 240 can deliver oxygen to the pure oxygen aeration tank 210 through the pure oxygen aeration disc 230, and can also provide pure oxygen for the ozone generating system 220, that is, the oxygen generator 240 provides raw materials for producing ozone for the ozone generating system 220. The pure oxygen aeration tank 210 is communicated with the ozone generation system 220, so that the ozone produced by the ozone generation system 220 can be fully mixed with the black and odorous wastewater treated by the flocculation and precipitation device 100, the dissolved oxygen content of the water body is improved, and then soluble organic matters in the wastewater are removed, so that the purpose of eliminating the black and odorous water body is achieved;
as shown in fig. 1, further, the air aeration channel mixing device 300 includes an air aeration channel 310, an air aeration tray 330 and an air intake system 320, wherein the air aeration channel 310 is communicated with the output end of the pure oxygen aeration tank 210, so that the wastewater treated by the pure oxygen aeration tank 210 flows to the air aeration channel 310. A second drain pipe 311 is provided at one side of the air aeration channel 310 to drain the wastewater treated by the air aeration channel 310 out of the air aeration channel 310. The air aeration disc 330 is communicated with the output end of the air inlet system 320, so that air enters the air aeration channel 310 to be mixed with wastewater, the dissolved oxygen amount of the water body is further increased, and the water body reacts with the unreacted low dissolved oxygen black and odorous water body to reach the purpose of thoroughly eliminating the black and odorous water body.
As shown in fig. 1, in this embodiment, when the mariculture pond pretreatment apparatus 10 is operated, first, black and odorous wastewater in the reservoir 111 is injected into the polyaluminium chloride stirring tank 120 through the water pipe 112, and the polyaluminium chloride adding system 140 injects the polyaluminium chloride solution into the polyaluminium chloride stirring tank 120 to be stirred, so that the polyaluminium chloride solution reacts with the black and odorous wastewater to form flocs, and injects the mixed solution of the black and odorous wastewater and the polyaluminium chloride solution into the PAM stirring tank 130, and the PAM adding system 150 injects the PAM solution into the PAM stirring tank 130 to be stirred, so that the mixed solution of the aluminum chloride solution and the black and odorous wastewater is sufficiently mixed with the PAM solution to form large flocs, and then injects the mixed solution with the large flocs into the settling tank 160 to be settled, so that SS and colloidal precipitate organic matters in the black and odorous wastewater, and further separate precipitates in the black and clear liquid from the clear liquid, and the clear liquid is discharged through the effluent weir 161, and the precipitates enter the sludge pump 171 through the sludge pipe 172 and reach the sludge discharge port 171 on the sludge pump to remove organic matters in the black and colloidal wastewater 173;
as shown in fig. 1, then, the supernatant discharged after being processed by the flocculation device 100 is injected into the pure oxygen aeration tank 210 through the water outlet weir 161, and the oxygen generator 240 provides pure oxygen for the ozone generation system 220 at one side, that is, the oxygen generator 240 provides a raw material of ozone for the ozone generation system 220, so that the ozone generation system 220 injects the produced ozone into the gas-liquid mixing pump 222, and further the ozone in the gas-liquid mixing pump 222 is dissolved in the water, and then the water containing ozone is injected into the cyclone impeller 221 through the gas-liquid mixing pump 222, and the cyclone impeller 221 injects the mixed liquid into the pure oxygen aeration tank 210, so that the dissolved oxygen content in the supernatant is increased, and the oxygen generator 240 further transmits pure oxygen into the pure oxygen aeration tray 230, and then transmits pure oxygen into the pure oxygen aeration tank 210 through the pure oxygen aeration tray 230, so that the dissolved oxygen content in the supernatant is further increased, and further the easily decomposable small molecular black and odorous compounds in the supernatant can be removed;
as shown in fig. 1, finally, the supernatant processed by the pure oxygen aeration apparatus 200 is injected into the air aeration channel 310 through the first drain pipe 211, the roots blower 321 extracts air and transmits the air to the air aeration tray 330 through the air inlet pipe 322, and then transmits the air to the air aeration channel 310 through the air aeration tray 330, so that the high dissolved oxygen water in the supernatant is mixed with the low dissolved oxygen water, the dissolved oxygen content of the water is increased, the unreacted low dissolved oxygen black and odorous water continues to react, and the black and odorous water is thoroughly eliminated.
Foretell mariculture pond pretreatment facilities 10, because mariculture pond pretreatment facilities 10 accessible flocculation and precipitation device 100 handles black smelly waste water to make pollutant flocculation and precipitation, handling waste water through pure oxygen aeration equipment 200 and air aeration canal mixing arrangement 300 jointly, so that the water dissolved oxygen content improves, can thoroughly clear away the black smelly material in the black smelly waste water, and then make mariculture pond pretreatment facilities 10 stronger to the black smelly elimination ability of water. Moreover, the mariculture pond pretreatment device 10 can jointly treat the black and odorous wastewater under the condition of a subsequent system, so that the black and odorous wastewater reaches the discharge standard, and can also treat the black and odorous wastewater independently under the condition of being used as a black and odorous matter elimination treatment unit independently, so that the black and odorous wastewater reaches the discharge standard, and the running mode of the mariculture pond pretreatment device 10 is higher in flexibility.
The seawater culture pond in the application can be understood as a seawater culture pond which is built above a seawater high tide line and is characterized in that the water level of the pond is high, and the water receiving capacity is not limited by tide.
Compared with the prior art, the utility model discloses at least, following advantage has:
1. the seawater culture pond pretreatment device 10 can treat the black and odorous wastewater through the flocculation precipitation treatment device 100 so as to flocculate and precipitate pollutants, and then the pure oxygen aeration device 200 and the air aeration channel mixing device 300 are used for jointly treating the wastewater so as to improve the dissolved oxygen content of the water body, so that the black and odorous substances in the black and odorous wastewater can be thoroughly removed, and further, the seawater culture pond pretreatment device 10 has strong capability of eliminating the black and odorous water body;
2. because mariculture pond pre-treatment facility 10 can be under the condition that has subsequent system, handle black smelly waste water jointly for black smelly waste water reaches the standard of discharging, also can be as eliminating under the condition that black smelly materialization processing unit alone, handle black smelly waste water alone, make black smelly waste water reach discharge standard, and then make mariculture pond pre-treatment facility 10 operation mode's flexibility ratio higher.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A mariculture pond pretreatment apparatus, comprising:
the system comprises a flocculation and precipitation device, a water storage system, a polyaluminium chloride stirring tank, a PAM stirring tank and a precipitation tank, wherein the flocculation and precipitation device is sequentially communicated with the water storage system, the polyaluminium chloride stirring tank, the PAM stirring tank and the precipitation tank, and the precipitation tank is provided with a water outlet weir; the flocculation precipitation device further comprises a polyaluminium chloride dosing system, a PAM dosing system and a sludge treatment system, wherein the output end of the water storage system is communicated with the polyaluminium chloride stirring tank, the output end of the polyaluminium chloride dosing system is communicated with the polyaluminium chloride stirring tank, the PAM dosing system is communicated with the PAM stirring tank, and the input end of the sludge treatment system is communicated with the output end of the sedimentation tank;
the pure oxygen aeration device comprises an oxygen generator, an ozone generation system, a pure oxygen aeration tank and a pure oxygen aeration disc, wherein the pure oxygen aeration tank is communicated with the output end of the sedimentation tank, and a first drainage pipe is arranged on one side of the pure oxygen aeration tank; the output end of the oxygen generator is respectively communicated with the ozone generation system and the input end of the pure oxygen aeration disc, and the pure oxygen aeration tank is communicated with the ozone generation system; and
the air aeration channel mixing device comprises an air aeration channel, an air aeration disc and an air inlet system, wherein the air aeration channel is communicated with the output end of the pure oxygen aeration tank, and a second drain pipe is arranged on one side of the air aeration channel; the input end of the air aeration disc is communicated with the output end of the air inlet system.
2. The pretreatment equipment for the mariculture pond according to claim 1, wherein the water storage system comprises a water storage tank and a water conveying pipe, and two ends of the water conveying pipe are respectively communicated with the water storage tank and the polyaluminium chloride stirring pond.
3. The mariculture pond pretreatment apparatus according to claim 1, wherein the polyaluminium chloride dosing system comprises a polyaluminium chloride medicament barrel, a polyaluminium chloride dosing pump and a polyaluminium chloride dosing pipe which are sequentially communicated, and the polyaluminium chloride dosing pipe is communicated with the polyaluminium chloride stirring pond.
4. The mariculture pond pretreatment apparatus of claim 1, wherein the PAM dosing system comprises a PAM medicament barrel, a PAM dosing pump and a PAM dosing pipe which are sequentially communicated, and the PAM dosing pipe is communicated with the PAM stirring pond.
5. The mariculture pond pretreatment device according to claim 1, wherein the sludge treatment system comprises a sludge pipe and a sludge pump, two ends of the sludge pipe are respectively communicated with the sedimentation tank and the polyaluminium chloride stirring tank, the sludge pump is arranged on the sludge pipe, and a sludge outlet is formed in one side of the sludge pump.
6. The mariculture pond pretreatment apparatus according to claim 1, wherein the effluent weir is in communication with the pure oxygen aeration tank.
7. The mariculture pond pretreatment apparatus of claim 1, wherein the first drain pipe is in communication with the air aeration channel.
8. The mariculture pond pretreatment apparatus according to claim 1, wherein the ozone generation system comprises an ozone generator, a gas-liquid mixing pump and a cyclone flow impeller, which are sequentially connected, the ozone generator is connected with an output end of the oxygen generator, and the cyclone flow impeller is disposed in the pure oxygen aeration tank.
9. The pretreatment apparatus for a mariculture pond according to claim 1, wherein the air intake system comprises a roots blower and an air intake pipe, and both ends of the air intake pipe are respectively communicated with the roots blower and the air aeration disc.
10. A marine aquaculture system including a mariculture pond pretreatment apparatus according to any one of claims 1 to 9.
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| CN202222081642.1U CN218058714U (en) | 2022-08-08 | 2022-08-08 | Seawater culture pond pretreatment equipment and seawater aquaculture system |
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| CN202222081642.1U CN218058714U (en) | 2022-08-08 | 2022-08-08 | Seawater culture pond pretreatment equipment and seawater aquaculture system |
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2022
- 2022-08-08 CN CN202222081642.1U patent/CN218058714U/en active Active
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