CN104663120A - Device and method for collecting field periphytic algae in open water stage - Google Patents
Device and method for collecting field periphytic algae in open water stage Download PDFInfo
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- CN104663120A CN104663120A CN201510141032.8A CN201510141032A CN104663120A CN 104663120 A CN104663120 A CN 104663120A CN 201510141032 A CN201510141032 A CN 201510141032A CN 104663120 A CN104663120 A CN 104663120A
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Abstract
The invention discloses a device and a method for collecting field periphytic algae in an open water stage and aims at solving the problem of the traditional periphytic algae collection that as the periphytic algae is collected by connecting a rope and a sampling frame, and water flows, the depth of the sampling frame in water is difficult to control. According to the device disclosed by the invention, a floating frame is just arranged opposite to a fixed frame top to bottom, two isometric rods are arranged between the floating frame and the fixed frame, the length of each isometric rod is 20-50cm, two connecting rods are symmetrically arranged at the two sides of the fixed frame, a bushing sleeves a fixed rod, two baffles are arranged in parallel on the upper end surfaces of the fixed frame, the sampling frame is arranged in the fixed frame and is bound with the baffles together by virtue of the rope, and two elastic ropes are arranged in parallel on the upper end surfaces of the sampling frame. The method comprises the following steps: 1, manufacturing a collection device; 2, configuring a floater, wherein the number N of floater is equal to (1/30)W-4.4; 3, putting the collection device in river water; and 4, taking out the sampling frame, and finishing collection of the periphytic algae. The device and the method are used for collecting the periphytic algae.
Description
Technical field
The present invention relates to the device and method that a kind of attached algae gathers, be specifically related to the device and method that a kind of open fire phase field attached algae gathers.
Background technology
At present, the collecting method of attached algae has pasture and water method, slide method and polyester film method.Pasture and water method is by gathering the algae that the aquatic macrophyte in investigation waters adheres to, without the need to special sampling instrument.The sampling tool of slide method and polyester film method, be connected by rope, one end of rope connected float, and the other end of rope connects the attachment that slide frame or polyester film carry out attached algae, and regulation took out the collection that slide or film carry out attached algae from water through 14 days.Attached algae is a class plant, and illumination is one of important factor in order of its growth and breeding, the growth and breeding effect of raw algae under water in 20cm-50cm waters better, and sampling apparatus need to be placed in water 14 days; From the method for current various collection attached algae, there is following shortcoming: the coverage rate as sampling waters aquatic macrophyte is low, and pasture and water method can be restricted; The slide method sampling tool current with membrane process is connected sampling stand by rope, sampling stand need place the time of in water 14 days, under the unmanned condition for keeping an eye on, along with the flowing sampling stand of water can drift about to some extent, sampling stand depth in water can be caused wayward in 20cm-50cm waters, therefore, the demand of attached algae growth and breeding to illumination can not be ensured, make the attached algae gathered not be breeding optimum efficiency.To ensure that sampling stand is in 20cm-50cm waters, often needs someone to keep an eye on sampling stand.
Summary of the invention
The present invention is utilize slide method and polyester film method for solving existing attached algae collection, the collection that sampling stand carries out attached algae is connected by rope, the flowing of water can cause the wayward problem in 20cm-50cm waters of sampling stand depth in water, provides the device and method that a kind of open fire phase field attached algae gathers.
The present invention is achieved through the following technical solutions:
Harvester: the open fire phase device of field attached algae collection comprises sampling stand, floating frame, fixed frame, two connecting rods, two sleeve pipes, two dead levers, two baffle plates, two stretch cords, at least two equidistant bars and several float, described floating frame and described fixed frame are four frame structures, described floating frame and described fixed frame are up and down just to setting, at least two equidistant bars are arranged between floating frame and fixed frame, and one end of equidistant bar is fixedly connected with floating frame, the other end of equidistant bar is fixedly connected with fixed frame, the length of each equidistant bar is 20cm-50cm, two connecting rods are symmetricly set on the both sides of fixed frame, one end of each connecting rod is fixedly connected with fixed frame, the other end of each connecting rod is fixedly connected with a sleeve pipe, casing pipe sleeve is contained on dead lever, sleeve pipe slides up and down along dead lever, two baffle plates are set in parallel on the upper surface of fixed frame, sampling stand is arranged in fixed frame, and sampling stand is bundled by rope and baffle plate, two stretch cords are set in parallel on the upper surface of sampling stand, and the two ends of stretch cord are fixed on fixed frame, on the uniform upper surface being pasted onto floating frame of several float.
Collecting method: the open fire phase method of field attached algae collection is realized by following steps:
Step one, making harvester: floating frame, fixed frame, connecting rod, sleeve pipe, the equidistantly material of bar and baffle plate all adopt PVC, dead lever is iron, sampling stand, floating frame, fixed frame, two connecting rods, two sleeve pipes, two dead levers, two baffle plates, two stretch cords, at least two equidistant bars are combined by the structure chart of harvester, in this step, float has not been installed;
The configuration of step 2, float: float is rectangle, its long limit a is 5cm, broadside b is 3cm, high c is 2cm, and the computing formula of macadam-aggregate mix voidage is as follows
The computing formula of float quantity N the following is: N=(1/30) W-4.4 formula one
In formula one:
The gross weight sum of W---sampling stand, floating frame, fixed frame, two connecting rods, two sleeve pipes, at least two equidistant bars, two baffle plates and two stretch cords, W unit: gram
When the numerical value adopting formula one to calculate float quantity N has decimal point, the several carries after decimal point are rounded,
By on uniform for the N number of float upper surface being pasted onto floating frame;
Step 3, harvester is placed in river: two dead levers are inserted river bed, and the float quantity in step 2 makes sampling stand control in the waters of 20cm-50cm under water always;
Step 4, taking-up sampling stand: after 14 days, mention floating frame, open stretch cord, take out sampling stand and baffle plate, pull down baffle plate, the slide in sampling stand is taken out, completes attached algae collection.
The present invention compared with prior art has following beneficial effect:
One, two dead levers of the present invention can be inserted in river bed firmly, and remain in 20cm-50cm waters by float, floating frame and equidistant bar control sampling stand always, sampling stand is under the unmanned condition for keeping an eye on, place in the time of in water 14 days, ensure that the demand of attached algae growth and breeding to illumination, sleeve pipe drives sampling stand, fixed frame and floating frame to be elevated along with the fluctuation of water level.
Two, the present invention keeps an eye on sampling stand without the need to personnel, therefore, reduces sampling cost.
Three, of the present invention workable, convenient and practical.
Accompanying drawing explanation
Fig. 1 is overall structure front view of the present invention (marking 11 in figure for slide), and Fig. 2 is the A-A cross sectional view of Fig. 1, and Fig. 3 is the interior schematic diagram of sampling stand 1, and Fig. 4 is the structural perspective of float 8.
Embodiment
Embodiment one: composition graphs 1 ~ Fig. 3 illustrates present embodiment, present embodiment comprises sampling stand 1, floating frame 2, fixed frame 3, two connecting rods 4, two sleeve pipes 5, two dead levers 6, two baffle plates 9, two stretch cords 10, at least two equidistant bars 7 and several float 8, floating frame 2 and described fixed frame 3 are four frame structures, floating frame 2 and fixed frame about 3 are just to setting, at least two equidistant bars 7 are arranged between floating frame 2 and fixed frame 3, and one end of equidistant bar 7 is fixedly connected with floating frame 2, the other end of equidistant bar 7 is fixedly connected with fixed frame 3, the length of each equidistant bar 7 is 20cm-50cm, two connecting rods 4 are symmetricly set on the both sides of fixed frame 3, one end of each connecting rod 4 is fixedly connected with fixed frame 3, the other end of each connecting rod 4 is fixedly connected with a sleeve pipe 5, sleeve pipe 5 is sleeved on dead lever 6, sleeve pipe 5 slides up and down along dead lever 6, two baffle plates 9 are set in parallel on the upper surface of fixed frame 3, sampling stand 1 is arranged in fixed frame 3, and sampling stand 1 is bundled by rope and baffle plate 9, two stretch cords 10 are set in parallel on the upper surface of sampling stand 1, and the two ends of stretch cord 10 are fixed on fixed frame 3, stretch cord 10 can prevent sampling stand 1 from departing from fixed frame 3, on the uniform upper surface being pasted onto floating frame 2 of several float 8.Sampling stand 1 is prior art.
Embodiment two: composition graphs 1 illustrates present embodiment, the length of the equidistant bar 7 of present embodiment is 25cm.Depth selection at about 25cm, attached algae breeding best results.Other composition and annexation identical with embodiment one.
Embodiment three: composition graphs 1 illustrates present embodiment, the length of the equidistant bar 7 of present embodiment is 30cm.Depth selection at about 30cm, attached algae breeding best results.Other composition and annexation identical with embodiment one.
Embodiment four: composition graphs 1 illustrates present embodiment, the length of the equidistant bar 7 of present embodiment is 35cm.Depth selection at about 35cm, attached algae breeding best results.Other composition and annexation identical with embodiment one.
Embodiment five: composition graphs 1 illustrates present embodiment, the length of the equidistant bar 7 of present embodiment is 40cm.Depth selection at about 40cm, attached algae breeding best results.Other composition and annexation identical with embodiment one.
Embodiment six: composition graphs 1 illustrates present embodiment, the length of the equidistant bar 7 of present embodiment is 45cm.Depth selection at about 45cm, attached algae breeding best results.Other composition and annexation identical with embodiment one.
Embodiment seven: composition graphs 1 illustrates present embodiment, the base angle of the dead lever 6 of present embodiment is wedge angle 6-1.Wedge angle 6-1 is convenient to dead lever 6 and is inserted in river bed.Other composition and annexation identical with embodiment one.
Embodiment eight: composition graphs 1 illustrates present embodiment, the top of the dead lever 6 of present embodiment is provided with flange 6-2.Flange 6-2 can prevent sleeve pipe 5 from departing from dead lever 6.Other composition and annexation identical with embodiment seven.
Embodiment nine: composition graphs 1 ~ Fig. 4 illustrates present embodiment, and present embodiment is realized by following steps:
Step one, making harvester: floating frame 2, fixed frame 3, connecting rod 4, sleeve pipe 5, the equidistantly material of bar 7 and baffle plate 9 all adopt PVC, dead lever 6 is iron, sampling stand 1, floating frame 2, fixed frame 3, two connecting rods 4, two sleeve pipes 5, two dead levers 6, two baffle plates 9, two stretch cords 10, at least two equidistant bars 7 are combined by the structure chart of harvester, in this step, float 8 has not been installed;
The configuration of step 2, float 8: float is rectangle, its long limit a is 5cm, broadside b is 3cm, high c is 2cm, and the computing formula of macadam-aggregate mix voidage is as follows
The computing formula of float quantity N the following is: N=(1/30) W-4.4 formula one
In formula one:
The gross weight sum of W---sampling stand 1, floating frame 2, fixed frame 3, two connecting rods 4, two sleeve pipes 5, at least two equidistant bar 7, two baffle plates 9 and two stretch cords 10, W unit: gram
When the numerical value adopting formula one to calculate float quantity N has decimal point, the several carries after decimal point are rounded, during as N=8.1, then get N=9,
By on uniform for N number of float 8 upper surface being pasted onto floating frame 2;
Step 3, harvester is placed in river: two dead levers 6 are inserted river bed, and float 8 quantity in step 2 makes sampling stand 1 control in the waters of 20cm-50cm under water always;
Step 4, taking-up sampling stand 1: after 14 days, mention floating frame 2, open stretch cord 10, take out sampling stand 1 and baffle plate 9, pull down baffle plate 9, the slide 11 in sampling stand 1 is taken out, completes attached algae collection.
Embodiment ten: composition graphs 1 and Fig. 3 illustrate present embodiment, pitted skin lucite selected by the slide 11 in the step 4 of present embodiment.Pitted skin lucite makes the adhesion effect of attached algae good.Other composition and annexation identical with embodiment nine.
Claims (10)
1. the device of an open fire phase field attached algae collection, it is characterized in that: described harvester comprises sampling stand (1), floating frame (2), fixed frame (3), two connecting rods (4), two sleeve pipes (5), two dead levers (6), two baffle plates (9), two stretch cords (10), at least two equidistant bars (7) and several float (8), described floating frame (2) and described fixed frame (3) are four frame structures, described floating frame (2) and described fixed frame (3) are up and down just to setting, at least two equidistant bars (7) are arranged between floating frame (2) and fixed frame (3), and one end of equidistant bar (7) is fixedly connected with floating frame (2), the other end of equidistant bar (7) is fixedly connected with fixed frame (3), the length of each equidistant bar (7) is 20cm-50cm, two connecting rods (4) are symmetricly set on the both sides of fixed frame (3), one end of each connecting rod (4) is fixedly connected with fixed frame (3), the other end of each connecting rod (4) is fixedly connected with a sleeve pipe (5), sleeve pipe (5) is sleeved on dead lever (6), sleeve pipe (5) slides up and down along dead lever (6), two baffle plates (9) are set in parallel on the upper surface of fixed frame (3), sampling stand (1) is arranged in fixed frame (3), and sampling stand (1) is bundled by rope and baffle plate (9), two stretch cords (10) are set in parallel on the upper surface of sampling stand (1), and the two ends of stretch cord (10) are fixed on fixed frame (3), on the uniform upper surface being pasted onto floating frame (2) of several float (8).
2. the device of open fire phase field attached algae collection according to claim 1, is characterized in that: the length of described equidistant bar (7) is 25cm.
3. the device of open fire phase field attached algae collection according to claim 1, is characterized in that: the length of described equidistant bar (7) is 30cm.
4. the device of open fire phase field attached algae collection according to claim 1, is characterized in that: the length of described equidistant bar (7) is 35cm.
5. the device of open fire phase field attached algae collection according to claim 1, is characterized in that: the length of described equidistant bar (7) is 40cm.
6. the device of open fire phase field attached algae collection according to claim 1, is characterized in that: the length of described equidistant bar (7) is 45cm.
7. the device of open fire phase field attached algae collection according to claim 1, is characterized in that: the base angle of described dead lever (6) is wedge angle (6-1).
8. the device of open fire phase field attached algae collection according to claim 7, is characterized in that: the top of described dead lever (6) is provided with flange (6-2).
9. utilize device described in claim 1 to realize a method for open fire phase field attached algae collection, it is characterized in that: described method is realized by following steps:
Step one, make harvester: floating frame (2), fixed frame (3), connecting rod (4), sleeve pipe (5), the material of equidistant bar (7) and baffle plate (9) all adopts PVC, dead lever (6) is iron, by sampling stand (1), floating frame (2), fixed frame (3), two connecting rods (4), two sleeve pipes (5), two dead levers (6), two baffle plates (9), two stretch cords (10), at least two equidistant bars (7) have been combined by the structure chart of harvester, float (8) is not installed in this step,
The configuration of step 2, float (8): float is rectangle, its long limit a is 5cm, broadside b is 3cm, high c is 2cm, and the computing formula of macadam-aggregate mix voidage is as follows
The computing formula of float quantity N the following is: N=(1/30) W-4.4 formula one
In formula one:
The gross weight sum of W---sampling stand (1), floating frame (2), fixed frame (3), two connecting rods (4), two sleeve pipes (5), at least two equidistant bars (7), two baffle plates (9) and two stretch cords (10), W unit: gram
When the numerical value adopting formula one to calculate float quantity N has decimal point, the several carries after decimal point are rounded,
By on uniform for N number of float (8) upper surface being pasted onto floating frame (2);
Step 3, harvester is placed in river: two dead levers (6) are inserted river bed, and float (8) quantity in step 2 makes sampling stand (1) control in the waters of 20cm-50cm under water always;
Step 4, taking-up sampling stand (1): after 14 days, mention floating frame (2), open stretch cord (10), take out sampling stand (1) and baffle plate (9), pull down baffle plate (9), slide (11) in sampling stand (1) is taken out, completes attached algae collection.
10. the method for open fire phase field attached algae collection according to claim 9, is characterized in that: pitted skin lucite selected by the slide (11) in described step 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510141032.8A CN104663120B (en) | 2015-03-27 | 2015-03-27 | The device and method that open fire phase field attached algae gathers |
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| CN201510141032.8A CN104663120B (en) | 2015-03-27 | 2015-03-27 | The device and method that open fire phase field attached algae gathers |
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Cited By (3)
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| CN104962468A (en) * | 2015-07-03 | 2015-10-07 | 黎佛林 | Epiphytic diatom culture and collection device |
| CN108593338A (en) * | 2018-06-14 | 2018-09-28 | 西华师范大学 | A kind of multi-functional acquisition instrument of attached algae |
| CN111473991A (en) * | 2020-04-16 | 2020-07-31 | 南京通海港口航道勘测科技咨询服务有限公司 | Method for sampling living organisms suitable for river with high flow speed and high sand content |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104962468A (en) * | 2015-07-03 | 2015-10-07 | 黎佛林 | Epiphytic diatom culture and collection device |
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| CN111473991A (en) * | 2020-04-16 | 2020-07-31 | 南京通海港口航道勘测科技咨询服务有限公司 | Method for sampling living organisms suitable for river with high flow speed and high sand content |
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