CN109342659B - Device and method for measuring bed surface organic matter release amount - Google Patents
Device and method for measuring bed surface organic matter release amount Download PDFInfo
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- CN109342659B CN109342659B CN201811278081.6A CN201811278081A CN109342659B CN 109342659 B CN109342659 B CN 109342659B CN 201811278081 A CN201811278081 A CN 201811278081A CN 109342659 B CN109342659 B CN 109342659B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
Abstract
The invention discloses a device and a method for measuring the release amount of organic matters on a bed surface, and the device and the method comprise a water tank capable of generating a water flow turbulence effect, wherein the bottom of the water tank is provided with a storage box for containing the organic matters; the storage box is of an upper open structure; still be connected with the organic matter that switches on mutually with the storage box on the storage box and add the device. According to the invention, the organic matter adding device is used for timely supplementing the amount of the organic matters released into the overlying water body in the storage box, the adding amount of the organic matters is tested and analyzed, and the release amount of the organic matters on the bed surface is calculated. The device for measuring the release amount of organic matters on the bed surface has a simple structure, is convenient to operate, and solves the problem of quantitatively calculating the release amount of organic matters on the bed surface.
Description
Technical Field
The invention relates to a device and a method for measuring the release amount of organic matters on a bed surface, and belongs to the technical field of environmental protection.
Background
With the rapid development of chemical industry and related industries, the frequency of sudden water pollution accidents caused by dangerous chemicals is increasing, and the accidents cause serious water environment pollution. After a large amount of sedimentation type hydrophobic organic matters generated by an emergency enter a water body, the hydrophobic organic matters are settled from a water meter to the river bottom under the action of gravity, a small amount of pollutants enter the water body due to the water flow turbulence effect in the process, the rest of pollutants are settled on the surface of a river bed, and the part of pollutants can generate serious and continuous influence on the environment. The quantitative calculation of the release strength of pollutants from a bed surface to an overlying water body is the decisive work influencing the early warning and forecasting of water quality, and no device or method for quantitatively determining the release rule of a large amount of liquid pollutants settled on the surface of a river bed after an accident exists at present.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a device and a method for measuring the bed surface organic matter release amount, realizes the quantitative determination of the bed surface release amount of the settleable hydrophobic organic matter, and has the advantages of simple structure, low manufacturing cost and convenient use.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the invention provides a device for testing the release amount of organic matters on a bed surface, which comprises a water tank capable of generating a water flow turbulence effect, wherein a storage box for containing the organic matters is arranged at the bottom of the water tank;
the storage box is of an upper open structure;
still be connected with the organic matter that switches on mutually with the storage box on the storage box and add the device.
With reference to the first aspect, further, the storage case includes a case body having a double-layered structure of an inner tank and an outer tank.
With reference to the first aspect, further, a connecting pipe hermetically connected to the side wall of the storage box is further disposed at a lower position in the side wall of the storage box, and the connecting pipe is communicated with an inner groove of the storage box;
the organic matter adding device is in conduction connection with the inner groove of the storage box through a connecting pipe.
With reference to the first aspect, further, the apparatus further includes a bracket for adjusting the height of the organic adding apparatus.
In combination with the first aspect, further, the water tank and the storage box are made of transparent organic glass.
In a second aspect, the invention provides a method for measuring the amount of organic substances released from a bed surface, which comprises a water tank capable of generating a water flow turbulence effect, a storage box arranged at the bottom of the water tank and having an upper open structure, and an organic substance adding device communicated with the storage box, and is characterized in that the method comprises the following steps:
filling organic matters into the storage box, and recording the injection amount of the organic matters;
injecting an overlying water body into the water tank according to the test requirements;
starting a driving device of the water tank to enable the overlying water body to generate a water flow turbulence effect, and adding organic matters into the storage box through the organic matter adding device within a set test time by taking the aim of keeping the liquid level of the organic matters in the organic matter adding device to be reduced by not more than 0.1 cm;
and (4) after the test is finished, emptying the overlying water body in the water tank, and calculating the release amount of the organic matters according to the injection amount of the organic matters, the amount of the residual organic matters in the storage box and the amount of the added organic matters.
In combination with the second aspect, further, the amount of the released organic matter during the test time T
L1For the purpose of storing the amount of organic matter remaining in the inner and outer tanks after the test is finished, L0In order to fill the storage box with the organic matters, Li is the amount of the organic matters added into the storage box by the organic matter adding device in the test process, and n is the total times of adding the organic matters into the organic matter adding device at the end of the test;
emission amount L of organic matter per unit time and unit areaML/(T × S), S is the inner groove floor area of the cartridge.
In conclusion, the device and the method for measuring the release amount of the organic matters on the bed surface provided by the invention are characterized in that the organic matter storage box in the water tank is communicated with the organic matter adding device, the amount of the organic matters released into the overlying water body in the storage box is timely supplemented through the organic matter adding device, the release amount of the organic matters on the bed surface is calculated through testing and analyzing the adding amount of the organic matters, the device is simple, the operation is convenient, and the problem of quantitatively calculating the release amount of the organic matters on the bed surface is solved.
Drawings
Fig. 1 is a schematic structural diagram of a device for measuring the amount of organic matter released from a bed according to an embodiment of the present invention.
In the figure: 1. a storage box; 2. a conduit; 3. an organic matter adding device; 4. an outer tank; 5. an inner tank; 6. an organic glass tube; 7. a support; 8. a water tank.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 shows a device for measuring the organic matter release amount on a bed surface, which comprises: a water tank 8 capable of generating a water flow turbulence effect, wherein the bottom of the water tank 8 is provided with a storage tank 1 for containing organic matters;
the upper part of a storage box 1 for containing organic matters is provided with an opening, and the storage box 1 is a double-layer structure box body with an inner groove 5 and an outer groove 4. In order to facilitate the observation of the change of the liquid level of the organic matter, the water tank 8 and the storage box 1 are both made of transparent organic glass.
The position department is equipped with the trompil in the lower part in the storage box 1 lateral wall, and 6 one end switch-on of organic glass pipe stores up the inside groove 5 of box 1, and the other end and pipe 2 are connected, and pipe 2 and organic matter add device 3 and connect, make the inside groove 5 and the organic matter of storage box 1 add device 3 and switch on mutually.
The height of the organic matter adding device 3 is adjustable on the organic matter adding device 3 mounting bracket 7.
The method for testing the release amount of organic matters on the bed surface comprises the following steps:
placing the storage box 1 at the bottom of the water tank 8, slowly injecting organic matter until the storage box inner tank 5 is filled, and recording the addition amount L0；
Slowly injecting water into the water tank 8 until the water depth meets the set requirements of the test;
adjusting the height of the organic matter adding device 3 to ensure that the liquid level of the organic matter is basically positioned at the central position of the device and is fixed on the bracket 7;
starting a driving device of the water tank 8 to enable the overlying water body to generate a water flow turbulence effect;
observing the scale of the liquid level of the organic matters in the organic matter adding device 3, if the liquid level drops, adding the organic matters in time through a pipette and the like, keeping the liquid level of the organic matters in the inner groove 5 of the storage box 1 at a stable height, and recording the amount Li of the organic matters added each time; the falling height of the liquid level of the organic matters in the organic matter adding device 3 is not more than 0.1cm, namely the initial liquid level height of the organic matters-the current liquid level height of the organic matters are not more than 0.1 cm;
drive device for closing the water tank 1 after a set test time TAfter the overlying water body naturally stands still, the overlying water body in the water tank 8 is emptied by opening the gate, the residual liquid in the inner tank 5 and the outer tank 4 of the storage box 3 is collected, the residual liquid is guided into measuring devices such as a measuring cylinder and the like, the device stands still until the organic matter and the water are layered, and the scale L at the layered position of the liquid level is read1，L1Is the amount of the remaining organic matter;
the release amount of the organic matter in the test time T is
n is the total times of adding the organic matters in the adding device after the test is finished;
the released amount of organic matter per unit time per unit area is LML/(T × S), S is the bottom area of inner groove 5 of storage case 1.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The device for testing the release amount of organic matters on the bed surface comprises a water tank capable of generating a water flow turbulence effect, and is characterized in that a storage box for containing the organic matters is arranged at the bottom of the water tank;
the storage box is of an upper open structure;
the storage box is also connected with an organic matter adding device communicated with the storage box;
the storage box comprises a box body with an inner groove and an outer groove double-layer structure;
the middle lower part of the side wall of the storage box is also provided with a connecting pipe which is hermetically connected with the side wall of the storage box, and the connecting pipe is communicated with the inner groove of the storage box;
the organic matter adding device is in conduction connection with the inner groove of the storage box through a connecting pipe.
2. The device for testing the organic matter release amount of the bed surface according to claim 1, further comprising a bracket for adjusting the height of the organic matter adding device.
3. The device for testing the organic matter release amount of the bed surface according to claim 1 or 2, wherein the water tank and the storage box are made of transparent organic glass.
4. A method for measuring the release amount of organic matters on a bed surface comprises a water tank capable of generating a water flow turbulence effect and a storage box which is arranged at the bottom of the water tank and has an upper open structure, and is characterized in that the storage box comprises a box body with an inner groove and an outer groove double-layer structure; the inner groove of the storage box is communicated with the organic matter adding device through a connecting pipe, and the method comprises the following steps:
filling organic matters into the storage box, and recording the injection amount of the organic matters;
injecting an overlying water body into the water tank according to the test requirements;
starting a driving device of the water tank to enable the overlying water body to generate a water flow turbulence effect, and adding organic matters into the storage box through the organic matter adding device within a set test time by taking the aim of keeping the liquid level of the organic matters in the organic matter adding device to be reduced by not more than 0.1 cm;
after the test is finished, emptying the overlying water body in the water tank, and calculating the release amount of the organic matters according to the injection amount of the organic matters, the amount of the residual organic matters in the storage box and the amount of the added organic matters;
release of organic matter within test time T
；
L 1 In order to store the amount of organic matters remaining in the inner tank and the outer tank after the test is finished,L 0 in order to fill the storage box with the amount of organic matter,Lito add the amount of organic matter to the storage box by the organic matter adding means during the test,nthe total times of adding the organic matters in the organic matter adding device after the test is finished;
emission amount of organic matter per unit time and unit areaL M =L/(T*S)，SIs the bottom area of the inner groove of the storage box.
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| CN201811278081.6A CN109342659B (en) | 2018-10-30 | 2018-10-30 | Device and method for measuring bed surface organic matter release amount |
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| CN109342659B true CN109342659B (en) | 2021-09-28 |
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| CN201116895Y (en) * | 2007-11-30 | 2008-09-17 | 彩虹集团电子股份有限公司 | Water cooling sleeve leakage checking device |
| CN103743879B (en) * | 2013-12-31 | 2015-07-29 | 河海大学 | The experimental simulation method of operating of contaminant transportation under suddenly accident |
| CN105136691B (en) * | 2015-07-28 | 2018-05-04 | 环境保护部环境规划院 | A kind of assay method of Nitrogen In Sediment phosphor contaminant burst size |
| CN207619916U (en) * | 2017-09-01 | 2018-07-17 | 长江水利委员会长江科学院 | Simulate experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence |
| CN108645758B (en) * | 2018-05-29 | 2019-07-12 | 河北省水利水电勘测设计研究院 | A kind of pollutants in sediments dynamic release analysis method |
| CN111743492B (en) * | 2020-06-05 | 2023-11-24 | 中万恩科技有限公司 | Channel dish washer with intelligent distributor |
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