CN114346613A - Land-based fishery culture pond and construction method thereof - Google Patents
Land-based fishery culture pond and construction method thereof Download PDFInfo
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- CN114346613A CN114346613A CN202210016623.2A CN202210016623A CN114346613A CN 114346613 A CN114346613 A CN 114346613A CN 202210016623 A CN202210016623 A CN 202210016623A CN 114346613 A CN114346613 A CN 114346613A
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Abstract
The invention relates to a land-based fishery culture pond and a construction method thereof, wherein the method specifically comprises the following steps: actually measuring the wall plate and the bottom plate of the culture pond to be built on site; manufacturing a bottom plate: welding rectangular HDPE plates according to the required size, wherein the long sides of the two HDPE plates are spliced and butt-welded through a butt-welding machine, and the short sides of the HDPE plates are manually welded through a welding gun; moving the spliced plates obtained by welding to a bracket with pulleys on the upper surface, scribing and cutting into required sizes to obtain a bottom plate of the culture pond; manufacturing the wallboard: splicing and butt-welding at least one HDPE plate according to the required size by a butt-welding machine to form a wall plate of the annular closed culture pond; moving the bottom plate and the wall plate to a construction position, polishing a welding seam, and then welding and connecting the bottom plate and the wall plate to obtain a culture pond; mounting corrugated plates to reinforce the culture pond; and (4) firstly, carrying out welding appearance inspection on the reinforced culture pond, and carrying out a water injection test after the culture pond is qualified. The method of the invention shortens the construction period and saves the construction cost.
Description
Technical Field
The invention relates to the field of cultivation, in particular to a novel land-based circulating water cultivation pond made of high-density polyethylene (HDPE) and a construction method thereof.
Background
At present, most of common land-based culture ponds are cement ponds built by bricks and stones, but on one hand, because the water environment in the cement ponds is relatively closed, germs and parasites are easy to breed, the water quality is deteriorated, and diseases are generated; on the other hand, the cement pond is used as a culture pond, the construction work amount is huge, the construction period is long, and the economic benefit is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a novel land-based recirculating aquaculture pond made of high-density polyethylene (HDPE) and a construction method thereof.
The invention discloses a method for building a land-based fishery culture pond, which is characterized by comprising the following steps of:
(1) actually measuring the wall plate and the bottom plate of the culture pond to be built on site;
(2) manufacturing a bottom plate: welding rectangular HDPE plates according to the required size, wherein the long sides of the two HDPE plates are spliced and butt-welded through a butt-welding machine, and the short sides of the HDPE plates are manually welded through a welding gun; moving the spliced plates obtained by welding to a bracket with pulleys on the upper surface, scribing and cutting into required sizes to obtain a bottom plate of the culture pond;
(3) manufacturing the wallboard: splicing and butt-welding at least one HDPE plate according to the required size by a butt-welding machine to form a wall plate of the annular closed culture pond;
(4) moving the base plate and the wall plate in the step (2) and the step (3) to a construction position, polishing a welding seam, and then welding and connecting the base plate and the wall plate to obtain a culture pond;
(5) attaching a corrugated plate with a height slightly lower than that of the culture pond to the periphery of the culture pond to obtain a reinforced culture pond;
(6) and (4) firstly carrying out welding appearance inspection on the reinforced culture pond, and then carrying out a water injection test on the culture pond after the culture pond is qualified.
Water injection test of the culture pond: firstly, 1/2 water is injected, the stability of welding seams is checked, the tightness of corrugated plates is checked, after no abnormal condition exists, the water is injected to the production water level of the full tank, and the static load is 24-30 h.
The butt welding machine is used for hot melting butt welding of the prefabricated welding line, and has the characteristics of stable quality and high speed. And the manual extrusion type welding gun is used for welding, so that the welding gun has the characteristic of flexible use and can be used for welding parts which cannot be welded. Two kinds of welding mode collocation, very big improvement the efficiency of construction to construction cost has been practiced thrift. The bottom plate and the wall plate can be hoisted by using a portal crane, a hanging strip, a balance beam and the like;
and a 'three-inspection' system is strictly executed on a construction site, the team self-inspection, the quality inspector re-inspection and the quality engineer inspection are strictly executed, and finally, the inspection and the inspection are applied for supervision and acceptance and are checked and supervised by industry specifications. And recording during construction, and timely transferring completion data. The qualification judgment of the welding seam quality detection method is also a bottleneck of the current construction. Only by observing the appearance of the weld, the inherent problems cannot be reflected from the surface, such as 'false welding', and the appearance of the false welding is almost the same as the qualified appearance. Therefore, the water inlet test of the HDPE fishpond is the most critical, and the overall quality of the fishpond is observed through the water inlet strength test.
Further, according to the construction method of the invention, the butt-welding process of the butt-welding machine comprises the following steps: starting up the machine for preheating, starting the operation when the temperature of the heating knife plate of the butt-welding machine reaches 200-220 ℃, wherein the heating time is 130-150 s, the cooling time is 150-200 s, and the butt-welding pressure is set to be 0.2 +/-0.02 Mpa. The temperature can be measured by using a temperature measuring gun.
Further, the construction method of the invention comprises the steps that the manual welding of the welding gun is extrusion welding, the welding gun is started to preheat for 10min-15min, the welding work is carried out when the temperature of a welding gun outlet reaches 250 +/-10 ℃, the air outlet temperature is controlled between 230 +/-260 ℃, the moving speed of the welding gun is 0.3 +/-0.05 m/min, the width of the welding seam is 20-25mm, and the height of a middle convex part of the welding seam is 2-4 mm. And the temperature is detected by using a temperature detector, the moving speed of the welding gun is stable and uniform, and a welding seam which is attractive and level is obtained. The extrusion type welding gun is composed of a hot air port and an extrusion mechanism, the hot air port is used for heating and softening the base metal, the extruder extrudes welding wires to weld and fix the base metal, and the extrusion type welding gun is suitable for manual operation welding which cannot be welded by a butt welding machine. When the welding wire enters the welding gun, the welding wire is wiped once by using paper towels and rags and then enters the welding gun if necessary. The welding gun needs to keep constant speed and uniform force application in the welding process, and the extruding state of the welding wire is observed at any time in the welding process to adjust the parameters such as the gun moving speed, the pressure, the force application direction, the temperature and the like. And (3) finishing using the welding gun to be thick, removing residual welding wires in the welding gun, adjusting to zero for 5-10 minutes, shutting down, cutting off power, cooling and warehousing.
Further, according to the construction method, a polishing machine is used for polishing a rough surface before welding, and the surface of the base material is kept clean; and cleaning the welding surface after welding. Dirt on the welding surface can be wiped off by a wet towel, the welding line is polished by an angle grinder, floating dust is blown off by a blower, and residual water is blown dry.
Further, according to the construction method of the invention, the rated voltage of the welding gun is 220V +/-10. The voltage needs to be kept stable, otherwise, the temperature fluctuation of the welding gun can be caused due to unstable voltage, and the construction quality is not up to the standard. When the welding gun is started, the working voltage needs to be tested to ensure that the voltage is enough for welding operation.
Further, according to the construction method of the present invention, the welding line of the wall plate is fixed by the metal fixing bar and the bolt.
A land-based fishery culture pond is obtained by the construction method.
Compared with the prior art, the invention has the following beneficial technical effects:
because the culture pond is often required to be installed on site and is large in quantity, a spot-weld machine is directly utilized to be combined with a manual welding mode on a construction site, the work amount can be greatly reduced, the construction efficiency is improved, and the cost is saved. On the other hand, the butt welding machine does not need to use welding wires, and the cost of the welding wires is also saved. And the culture system comprising the culture pond is made of HDPE plates, is ecological and environment-friendly, can be recycled, does not damage the land property, and has the characteristics of good ecology, high yield and good quality.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The invention relates to a method for building a land-based fishery culture pond, which comprises the following steps:
(1) actually measuring the wall plate and the bottom plate of the culture pond to be built on site;
(2) manufacturing a bottom plate: welding rectangular HDPE plates according to the required size, wherein the long sides of the two HDPE plates are spliced and butt-welded through a butt-welding machine, and the short sides of the HDPE plates are manually welded through a welding gun; moving the spliced plates obtained by welding to a bracket with pulleys on the upper surface, scribing and cutting into required sizes to obtain a bottom plate of the culture pond; in this example, the dimension L B H4000H 2000 8.0 (dimension L: length, B: width; thickness H, unit mm) of each rectangular HDPE plate, and the length of the weld seam manually welded by the welding gun is 8000 mm.
In this embodiment, the butt-welding process of the butt-welding machine specifically includes: starting up the machine for preheating, measuring the temperature by using a temperature measuring gun, starting the operation when the temperature of the heating knife plate of the butt-welding machine reaches 200-220 ℃, wherein the heating time is 130-150 s, the cooling time is 150s, and the butt-welding pressure is set to be 0.2 +/-0.02 Mpa.
In the embodiment, the manual welding of the welding gun is extrusion welding, the welding gun is started for 15min, the welding work is carried out when the temperature of the temperature outlet of the welding gun reaches 250 +/-10 ℃, the air outlet temperature is controlled between 230 and 260 ℃, the moving speed of the welding gun is 0.3 +/-0.05 m/min, the width of the welding seam is 20-25mm, and the height of the middle convex part of the welding seam is 2-4 mm. In the welding process, the moving speed of the welding gun is required to be stable and uniform, and a welding seam which is attractive and level is obtained. The extrusion type welding gun is composed of a hot air port and an extruder, the hot air port is used for heating and softening the base metal, the extruder extrudes welding wires to weld and fix the base metal, and the extrusion type welding gun is suitable for manual operation welding which cannot be welded by a butt welding machine. When the welding wire enters the welding gun, the welding wire is wiped once by using paper towels and rags and then enters the welding gun if necessary. The welding gun needs to be uniform in speed and force application, and the state of the extruded welding wire is observed at any time in the welding process to adjust the parameters such as the gun moving speed, the pressure, the force application direction, the temperature and the like. And (3) after the welding gun is used thickly, removing the residual welding wires in the welding gun completely, adjusting to zero for 5-10 minutes, shutting down, cutting off the power, cooling and warehousing. The rated voltage used by the welding gun is 220V +/-10. The voltage needs to be kept stable, otherwise, the temperature fluctuation of the welding gun can be caused due to unstable voltage, and the construction quality can not reach the standard. The operating voltage needs to be tested when the welding gun is started to ensure that the voltage is sufficient for welding operation.
(3) Manufacturing the wallboard: splicing and butt-welding at least one HDPE plate according to the required size by a butt-welding machine to form a wall plate of the annular closed culture pond; in this example, the short sides of 2 sheets of HDPE (HDPE) with dimensions L × B × H ═ 12400 × 2000 × 10.0 (dimensions L: length, B: width; thickness H, unit mm) were spliced and butt-welded on a butt-welding machine to form an annular closed cultivation pond wall plate. And (3) splicing and butt-welding processes of the butt-welding machine are carried out in the step (2), and the welding seam of the wall plate is fixed through a metal fixing strip and a bolt.
(4) Moving the base plate and the wall plate in the step (2) and the step (3) to a construction position, polishing a welding seam, and then welding and connecting the base plate and the wall plate to obtain a culture pond; the bottom plate and the wall plate can be hoisted by using a portal crane, a hanging strip, a balance beam and the like.
(5) Attaching a corrugated plate with a height slightly lower than that of the culture pond to the periphery of the culture pond to obtain a reinforced culture pond;
(6) and (4) firstly carrying out welding appearance inspection on the reinforced culture pond, and then carrying out a water injection test on the culture pond after the culture pond is qualified. In this embodiment, the water injection test of the culture pond: 1/2 water is injected firstly, the stability of welding seams is checked, the tightness of corrugated plates is checked, and after abnormal conditions do not occur, the water is injected to the production water level of the full tank height, and the static load is 24 hours.
And a 'three-inspection' system is strictly executed on a construction site, the team self-inspection, the quality inspector re-inspection and the quality engineer inspection are strictly executed, and finally, the inspection and the inspection are applied for supervision and acceptance and are checked and supervised by industry specifications. And recording during construction, and timely transferring completion data. The qualification judgment of the welding seam quality detection method is also a bottleneck of the current construction. Only by observing the appearance of the weld, the inherent problems cannot be reflected from the surface, such as 'false welding', and the appearance of the false welding is almost the same as the qualified appearance. Therefore, the water inlet test of the HDPE fishpond is the most critical, and the overall quality of the fishpond is observed through the water inlet strength test.
In the embodiment, in all welding processes, a polishing machine is used for polishing a rough surface before welding, and the surface of the parent material is kept clean; and cleaning the welding surface after welding. The dirt on the welding surface can be wiped off by a wet towel, the welding line is polished by an angle grinder, and floating dust and residual water are blown off by a blower and dried.
The HDPE plates related to the invention are longer, softer and good in toughness, so that a large amount of HDPE plates can not be piled up and transported, particularly, after the HDPE plates are processed into rings, a large amount of piled HDPE plates can be crushed due to the dead weight of materials, so that the carrying quantity of the HDPE plates is small each time, the transporting times are large, construction prefabrication and transportation need to be reasonably matched, special transportation machines are used for processing on construction sites, special transportation is arranged, the transportation cost can be effectively reduced, in the embodiment, a four-wheel tractor head for farming can be adopted, 35 horsepower is used for traction, phi 89 x 4.5 (mm) seamless steel pipes and section steel welding supporting plates are used, the length and width of the supporting plates are 11.5 x 2.0(m), and the special transportation is arranged for carrying out transportation work.
In the embodiment, 364 culture ponds with the inner diameter of 8 meters and the height of 2 meters are installed, and a method of combining butt welding and welding gun welding is adopted, so that the construction efficiency is greatly improved, and the construction cost is saved.
Taking a single culture pond as an example: the butt welding machine has the butt welding seam (comprising 6 bottom plates and 2 vertical plates) accounting for 28 meters, and the time is 30 minutes per welding seam; the welding time of welding (including 8 m of butt welding seam of the bottom plate and 25.1 m of fillet welding seam) is 120 minutes, and the total length is 33.1 m. The construction cost can be saved by 30 percent in total, and the butt-joint welding machine does not need to use welding wires and saves the welding wire cost. After accounting, the construction period is saved by 60 days, the construction period cost is saved by 60 thousands, the welding wire cost is saved by 35 thousands, the total cost is saved by 95 thousands, and good economic benefit and social benefit are obtained.
Claims (7)
1. A method for building a land-based fishery culture pond is characterized by comprising the following steps:
(1) actually measuring the wall plate and the bottom plate of the culture pond to be built on site;
(2) manufacturing a bottom plate: welding rectangular HDPE plates according to the required size, wherein the long sides of the two HDPE plates are spliced and butt-welded through a butt-welding machine, and the short sides of the HDPE plates are manually welded through a welding gun; moving the spliced plates obtained by welding to a bracket with pulleys on the upper surface, scribing and cutting into required sizes to obtain a bottom plate of the culture pond;
(3) manufacturing the wallboard: splicing and butt-welding at least one HDPE plate according to the required size by a butt-welding machine to form a wall plate of the annular closed culture pond;
(4) moving the base plate and the wall plate in the step (2) and the step (3) to a construction position, polishing a welding seam, and then welding and connecting the base plate and the wall plate to obtain a culture pond;
(5) attaching a corrugated plate with a height slightly lower than that of the culture pond to the periphery of the culture pond to obtain a reinforced culture pond;
(6) and (4) firstly carrying out welding appearance inspection on the reinforced culture pond, and then carrying out a water injection test on the culture pond after the culture pond is qualified.
2. The method for constructing a land-based fishery culture pond according to claim 1, wherein the butt-welding machine splicing butt-welding process specifically comprises: starting up the machine for preheating, starting the operation when the temperature of the heating knife plate of the butt-welding machine reaches 200-220 ℃, wherein the heating time is 130-150 s, the cooling time is 150-200 s, and the butt-welding pressure is set to be 0.2 +/-0.02 Mpa.
3. The method for constructing the land-based fishery culture pond according to claim 2, wherein the manual welding of the welding gun is extrusion welding, the welding gun is preheated for 10min-15min when being started, the welding work is carried out when the temperature of the outlet of the welding gun reaches 250 +/-10 ℃, the air outlet temperature is controlled between 230 and 260 ℃, the moving speed of the welding gun is 0.3 +/-0.05 m/min, the width of the welding seam is 20-25mm, and the height of the middle convex part of the welding seam is 2-4 mm.
4. The method for constructing a land-based fishery culture pond according to claim 2 or 3, wherein a frosted surface is formed by a polishing machine before welding and the surface of the base material is kept clean; and cleaning the welding surface after welding.
5. The method of constructing a land-based fishery culture pond according to claim 4, wherein the welding gun uses a rated voltage of 220V ± 10.
6. The method of constructing a land-based fishery culture pond according to claim 5, wherein the welding of the wall plates is fixed by a metal fixing strip and bolts.
7. A land-based fishery culture pond, characterized in that the culture pond is obtained by the construction method of any of the above claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210016623.2A CN114346613A (en) | 2022-01-05 | 2022-01-05 | Land-based fishery culture pond and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210016623.2A CN114346613A (en) | 2022-01-05 | 2022-01-05 | Land-based fishery culture pond and construction method thereof |
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| CN114346613A true CN114346613A (en) | 2022-04-15 |
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| US20080105210A1 (en) * | 2006-11-03 | 2008-05-08 | Brett Perry | Zero edge aquarium |
| CN201376705Y (en) * | 2009-04-09 | 2010-01-06 | 方汉佐 | Practical and convenient iron barrel |
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| CN107410146A (en) * | 2017-06-16 | 2017-12-01 | 安徽省农业科学院水产研究所 | A kind of construction method in the fry rearing pond based on geomembrane |
| CN212488017U (en) * | 2020-05-16 | 2021-02-09 | 张帅 | A circular breed pond for shrimp is bred |
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2022
- 2022-01-05 CN CN202210016623.2A patent/CN114346613A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080105210A1 (en) * | 2006-11-03 | 2008-05-08 | Brett Perry | Zero edge aquarium |
| CN201376705Y (en) * | 2009-04-09 | 2010-01-06 | 方汉佐 | Practical and convenient iron barrel |
| CN102017925A (en) * | 2010-09-19 | 2011-04-20 | 天津市海发珍品实业发展有限公司 | Novel anti-settling easy-to-wash culture pond |
| US20140359999A1 (en) * | 2012-02-16 | 2014-12-11 | Lumin Wang | Method for constructing cage body of tapered cage assembled in rigid-flexible manner |
| CN203279665U (en) * | 2013-05-22 | 2013-11-13 | 通威股份有限公司 | Simple land-based culture pond device |
| CN107410146A (en) * | 2017-06-16 | 2017-12-01 | 安徽省农业科学院水产研究所 | A kind of construction method in the fry rearing pond based on geomembrane |
| CN107258652A (en) * | 2017-07-06 | 2017-10-20 | 天津宜诺医药工业设计有限公司 | One kind industrialization software culturing pool |
| CN212488017U (en) * | 2020-05-16 | 2021-02-09 | 张帅 | A circular breed pond for shrimp is bred |
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