CN204903774U - Do wet decimator of sinking - Google Patents

Do wet decimator of sinking Download PDF

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Publication number
CN204903774U
CN204903774U CN201520632112.9U CN201520632112U CN204903774U CN 204903774 U CN204903774 U CN 204903774U CN 201520632112 U CN201520632112 U CN 201520632112U CN 204903774 U CN204903774 U CN 204903774U
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China
Prior art keywords
harvester
precipitation
sampling thief
liquid level
storage device
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Expired - Fee Related
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CN201520632112.9U
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Chinese (zh)
Inventor
李锦�
杨斌
岳会国
张艳霞
柳加成
李宏宇
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NUCLEAR AND RADIATION SAFETY CENTER
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NUCLEAR AND RADIATION SAFETY CENTER
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Priority to CN201520632112.9U priority Critical patent/CN204903774U/en
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Abstract

The utility model provides a do wet decimator of sinking. The sample thief includes: go up collection system, its upper portion is opened wide to the external environment condition for gather dust fall and precipitation, lower collection system, it is located the collection system below to with last collection system intercommunication, be used for receiving dust fall and the precipitation going up collection system and gather, dust fall storage device, it is connected to down collection system for liquid under collecting when first liquid level is dropped to the liquid level among the collection system instantly among the collection system, precipitation storage device, it is connected to down collection system for liquid under collecting when the liquid level among the collection system rises to the second liquid level instantly among the collection system, level control apparatus, it is arranged in collection system down for liquid level under the sensing among the collection system, and control the liquid flow according to this to dust fall storage device or precipitation storage device. According to the technical scheme of the utility model can high -efficient collection subside, good reliability, easy operation and satisfy radionuclide analysis requirement.

Description

Dried wet deposition sampling thief
Technical field
The utility model relates to radiation environment sedimentation Sampling techniques field, particularly relates to a kind of dried wet deposition sampling thief.
Background technology
The important monitoring project (No. [2014] 10, letter, GB12379, HJ/T61 and NB/T20246 etc. are established in No. [2012] 16, environment-development, nucleolus) of dried wet deposition Wu Shi China radiation environmental monitoring regulation and standard regulation in air, field precipitum collection realizes radiometric committed step.At present for the continuous sampling of dry deposition General Requirements, quarterly once always to put, Sr-90 and γ Radionuclide analysis; Precipitation then requires to meet rain (snow) to adopt, and generally monthly or quarterly carries out H-3, Sr-90 and γ Radionuclide analysis.
Existing radiation environment precipitum sampling apparatus dry, wet deposition acquisition function is substantially independent.Dry deposition collection mainly contains dry method and wet method two kinds of acquisition methods, and dry method collection is closest to the settling process under natural situation, and owing to cannot avoid the depositing dust " secondary plays dirt " having entered container, dust catching efficiency is lower; The dust catching efficiency that wet method gathers is high, but needs regularly to add water, complicated operation.The collection of wet deposition needs to heat in snowfall and hail sample collection process, needs to be incubated sub-zero precipitation sample and to store simultaneously, also needs to connect dispatch from foreign news agency and power consumption is larger.In the switching of dry, wet deposition function, usually short circuit electric signal or light signal or lever spring contact is utilized to respond to precipitation, rely on and gather the translation of bung or rotary movement completes switching that is dry, wet deposition acquisition function, the high or sensitivity of Long-Time Service misuse rate is deteriorated.In addition, the sampling quantity of dried wet deposition thing in radiation environment, also should meet the requirement that radioactive nuclide is analyzed, and such as, for the measurement of Sr-90 in precipitation, phosphoric acid extraction chromatography requires that water sample is not less than 40L.Particularly in dry, that quantity of precipitation is less area, existing dry and wet deposition of radiation environment sampling apparatus sampling quantity monthly or quarterly cannot meet the requirement that radioactive nuclide is analyzed usually, and of that month or when season sample can only be postponed to next month or next season measurement.
Therefore, design that a kind of collection efficiency is high, reliability is strong, simple to operate and the dry and wet deposition of radiation environment sampling thief meeting radioactive nuclide analysis requirement is very necessary.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of dried wet deposition sampling thief, to realize, dust catching efficiency is high and simple to operate, subzero precipitation Sample storage convenient, the sedimentation of dried wet deposition function change-over device stable performance sampling, thus meets the collection requirement to depositing dust in air and precipitation in radiation environmental monitoring work.
The utility model provides a kind of dried wet deposition sampling thief, and for gathering depositing dust in external environment condition and precipitation, sampling thief comprises: upper harvester, and its top externally environment is opened wide, for gathering depositing dust and precipitation; Lower harvester, it is positioned at below harvester, and is communicated with upper harvester, for receiving the depositing dust and precipitation that upper harvester collects; Depositing dust storage device, it is connected to lower harvester, collects the liquid in lower harvester when being down to the first liquid level for the liquid level in harvester instantly; Precipitation storage device, it is connected to lower harvester, collects the liquid in lower harvester when rising to the second liquid level for the liquid level in harvester instantly; Fluid level control device, it is arranged in lower harvester, for sensing the liquid level in lower harvester, and controls flow direction depositing dust storage device or precipitation storage device according to this.
Preferably, dried wet deposition sampling thief also comprises wet method dust collect plant, and it is inner that it is positioned at harvester, for carrying out wet method collection to the depositing dust falling into upper harvester.Wet method dust collect plant can comprise rotating sprinklers and depositing dust brush.Further preferably, dried wet deposition sampling thief also comprises water tank and heating arrangement, and water tank is used for for rotating sprinklers supplies water, and heating arrangement is used for for heating water tanks.Dried wet deposition sampling thief can also comprise insulation pipe network, and insulation pipe network is connected to water tank, wherein circulates the hot water from water tank, for being incubated upper harvester, lower harvester, depositing dust storage device, precipitation storage device.
Preferably, fluid level control device comprises Floating Ball Liquid Level device.
Preferably, dried wet deposition sampling thief also comprises sun power electroplax and accumulator, for providing heat energy and electric energy.Dried wet deposition sampling thief can also comprise heating arrangement, for heating upper harvester.
Preferably, dried wet deposition sampling thief also comprises surplus valve, and its one end is connected to the top of precipitation storage device, and it is outside that the other end leads to sampling thief.
Preferably, dried wet deposition sampling thief also comprises protective cover, enters sampling thief for preventing foreign matter or animal.
Compared with prior art, according to the technical solution of the utility model can Efficient Collection sedimentation, reliability strong, simple to operate and meet radioactive nuclide and analyze requirement.Specifically, the utility model utilizes upper and lower harvester and valve, and precipitation and depositing dust collecting unit are integrated.The utility model adopts wet method to gather depositing dust, and uses rotating sprinklers and depositing dust brush regularly to clear up depositing dust sample, significantly improves dust catching efficiency, and simple to operate.The utility model utilizes Floating Ball Liquid Level device to respond to the liquid level in lower harvester, as the judgement of precipitation condition, avoids and gathers the translation of bung or rotary movement, highly sensitive and reliability is strong.The utility model utilizes sun power electroplax and accumulator to provide heat energy and electric energy, is convenient to use in the wild.The utility model is provided with protective cover, can prevent impurity from entering sample storage container, can also effectively prevent birds from drinking water simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the dried wet deposition sampling thief according to the utility model embodiment;
Fig. 2 is the schematic flow sheet of the dried wet deposition method of sampling according to the utility model embodiment;
Fig. 3 is the structural representation of the dried wet deposition sampling thief according to the utility model preferred embodiment;
Fig. 4 is the structural representation of the rotating sprinklers according to the utility model preferred embodiment;
Fig. 5 is the connection diagram of upper harvester according to the utility model preferred embodiment and lower harvester;
Fig. 6 is the structural representation of the control device according to the utility model preferred embodiment.
In the drawings, use identical reference number to represent same or analogous part.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown that the embodiment of so description or example can comprise special characteristic, structure, characteristic, character, element or limit, but not each embodiment or example must comprise special characteristic, structure, characteristic, character, element or limit.In addition, reuse phrase " in one embodiment " although be likely refer to identical embodiment, and not necessarily refers to identical embodiment.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristic.
Fig. 1 illustrates the dried wet deposition sampling thief 100 for gathering depositing dust in external environment condition and precipitation according to the utility model embodiment.
Dried wet deposition sampling thief 100 comprises harvester 102, lower harvester 104, depositing dust storage device 106, precipitation storage device 108 and fluid level control device 105.
Upper harvester 102 top externally environment is opened wide, for gathering depositing dust and precipitation.Wet method dust collect plant can be set in upper harvester 102 inside, for carrying out wet method collection to the depositing dust falling into upper harvester 102.Wet method dust collect plant can comprise rotating sprinklers and depositing dust brush.
Lower harvester 104 is positioned at below harvester 102, and is communicated with upper harvester 102, for receiving the depositing dust and precipitation that upper harvester 102 collects.
Depositing dust storage device 106 is connected to lower harvester 104, collects the liquid in lower harvester 104 when being down to the first liquid level for the liquid level in harvester 104 instantly.
Precipitation storage device 108 is connected to lower harvester 104, collects the liquid in lower harvester 104 when rising to the second liquid level for the liquid level in harvester 104 instantly.Second liquid level is higher than the first liquid level.Dried wet deposition sampling thief 100 can comprise surplus valve, and its one end is connected to the top of precipitation storage device 108, and it is outside that the other end leads to sampling thief 100.
Fluid level control device 105 is arranged in lower harvester 104, for sensing the liquid level in lower harvester 104, and controls flow direction depositing dust storage device 106 or precipitation storage device 108 according to this.Fluid level control device 105 can comprise Floating Ball Liquid Level device etc.
Dried wet deposition sampling thief 100 can also comprise water tank and heating arrangement, and water tank is used for for rotating sprinklers supplies water, and heating arrangement is used for for heating water tanks, and can heat upper harvester.Dried wet deposition sampling thief 100 can also comprise insulation pipe network, insulation pipe network is connected to water tank, wherein circulate the hot water from water tank, for being incubated upper harvester 102, lower harvester 104, depositing dust storage device 106, precipitation storage device 108.
Dried wet deposition sampling thief 100 can also comprise sun power electroplax and accumulator, for providing heat energy and electric energy.
Dried wet deposition sampling thief 100 can also comprise protective cover, enters sampling thief for preventing foreign matter or animal.
Dried wet deposition sampling thief 100 can also comprise control device, and control device comprises temperature control unit, hydraulic control unit, time control unit, humidity sensor, microprocessor and valve, water pump and rotating sprinklers control circuit.
Fig. 2 illustrates the dried wet deposition method of sampling of dried wet deposition sampling thief 100 according to use Fig. 1 of the utility model embodiment.
In step S202, upper harvester 102 gathers depositing dust and precipitation.
In step S204, the depositing dust that upper harvester 102 collects and precipitation flow into lower harvester 104.
In step S206, when fluid level control device 105 liquid level sensed in lower harvester 104 rises to the second liquid level, the liquid in lower harvester 104 is made to flow into precipitation storage device 108.
In step S208, when fluid level control device 105 liquid level sensed in lower harvester 104 is down to the first liquid level, the liquid in lower harvester 104 is made to flow into depositing dust storage device 106.
In a preferred embodiment, the liquid in lower harvester 104 carries out wet method collection to the depositing dust falling into upper harvester 102 after flowing into depositing dust storage device 106.
Following description according to the dried wet deposition sampling thief of the utility model preferred embodiment, as shown in Figure 3.A kind of dry and wet deposition of radiation environment sampling thief, comprises collection bucket 1, depositing dust brush 2, rotating sprinklers 3, lower collection bucket 4, Floating Ball Liquid Level device 5, depositing dust storage bottle 6, precipitation storage device 7, water tank 8, control device 9, sun power electroplax 10, solar heat collector 11, T-valve 12, precipitation collection valve 13, surplus valve 14, depositing dust collection valve 15, multiport valve 16, water tank operation valve 17 and insulation pipe network 18; Upper collection bucket 1, lower collection bucket 4 are connected by flange 19 with rotating sprinklers 3, and rotating sprinklers 3 is connected with depositing dust brush 2, and depositing dust brush 2 is positioned at inside collection bucket 1, and it is inner that Floating Ball Liquid Level device 5 is arranged on lower collection bucket 4; Control device 9 is connected with depositing dust brush 2, Floating Ball Liquid Level device 5, water tank 8, sun power electroplax 10, solar heat collector 11 and valve 12-17; Solar heat collector 11 pairs of water tanks 8 are incubated, and water tank 8 is connected with insulation pipe network 18, and insulation pipe network 18 is incubated upper collection bucket 1, lower collection bucket 4, depositing dust storage bottle 6 and precipitation storage device 7; Sun power electroplax 10 pairs of accumulators 20 charge, and have electric heating cover 21 outside upper collection bucket 1, and electric heating cover 21 can carry out electrical heating by accumulator 20 or external power source to upper collection bucket 1; Water tank 8 for rotating sprinklers 3 provides spray water, provides circulating hot water for being incubated pipe network 18 by water pump 22 simultaneously.
Precipitation storage device 7 is a kind of sectional type storage devices, and surplus valve 14 is in parallel with the multiport valve 16 on precipitation gathering line, effectively can prevent overflow during heavy rain situation.The supporting accumulator 20 of solar panel 10 can also connect external power source and charge.
During precipitation, the liquid level in lower collection bucket 4 rises gradually, and the upper level switch of Floating Ball Liquid Level device 5 is triggered, and control device 9 controls precipitation collection valve 13 and opens, and precipitation is successively collected in precipitation storage device 7 by upper collection bucket 1 and lower collection bucket 4.
When precipitation stops, liquid level in lower collection bucket 4 declines gradually with evaporation, precipitation is collected valve 13 and is closed, when liquid level drops to a certain degree, the lower level switch signal of Floating Ball Liquid Level device 5 is triggered, depositing dust is collected valve 15 and is opened, and the depositing dust that in lower collection bucket 4, wet method is collected is stored in depositing dust storage bottle 6.Subsequently, control device 9 controls depositing dust collection valve 15 and cuts out, rotating sprinklers 3 and depositing dust brush 2 successively start, rotating sprinklers 3 upwards gathers bucket 1 and sprays a certain amount of water, depositing dust brush 2 rotates several weeks subsequently, depositing dust on upper collection bucket 1 sidewall is collected in lower collection bucket 4 by wet method, and the water level in lower collection bucket 4 reach a certain height again, continues the wet method collection of depositing dust sample.
The details of the rotating sprinklers 3 of the preferred embodiment is described below, as shown in Figure 4.Rotating sprinklers 3 is made up of gear 3-1, spray unit 3-2, stationary shaft 3-4 and protective cover 3-5, gear 3-1 is connected with control device 9, spray unit 3-2 is connected with water tank 8 by water tank operation valve 17, spray unit 3-2 is provided with some spray hole 3-3, stationary shaft 3-4 runs through rotating sprinklers base 3-6, gear 3-1 and spray unit 3-2, Floating Ball Liquid Level device 5 is vertically mounted on stationary shaft 3-4, and protective cover 3-5 is stainless steel aperture plate.
The connection of the upper collection bucket 1 of following description the preferred embodiment, lower collection bucket 4 and rotating sprinklers 3, as shown in Figure 5.Upper collection bucket screw 1-1 is connected by bolt 23 with lower collection bucket screw 4-1, and rotating sprinklers base 3-6 and upper collection bucket 1 are threaded connection, and lower collection bucket 4 is the graduated transparent vessel of band, to observe the lower liquid level gathered in bucket 4.
Fig. 6 illustrates the structural representation of the control device 9 of the preferred embodiment.Control device 9 comprises temperature control unit 9-1, hydraulic control unit 9-2, time control unit 9-3, humidity sensor 9-4, microprocessor 9-5 and valve, water pump and rotating sprinklers control circuit 9-6, temperature control unit 9-1 is according to upper collection bucket 1, lower collection bucket 4, water tank 8, the temperature actuated corresponding heating of depositing dust storage bottle 6 and precipitation storage device 7 and Insulation, hydraulic control unit 9-2 according to the trigger pip of Floating Ball Liquid Level device 5 respectively to rotating sprinklers 3, depositing dust collects valve 15 and precipitation collection valve 13 controls, time control unit 9-3 can set the sampling time, simultaneously can also to rotating sprinklers 3, the initiation culture of depositing dust brush 2 sets, humidity sensor 9-4 is by the measurement to place near the ground air humidity, as the subsidiary conditions judging whether precipitation.
By the dried wet deposition sampling thief of the utility model embodiment, precipitation and depositing dust collecting unit integrate, and sample collection unit takies volume and reduces, and avoid the translation or rotary movement that gather bung simultaneously.Adopt wet method to gather depositing dust, and use rotating sprinklers and depositing dust brush regularly to clear up depositing dust sample, significantly improve dust catching efficiency.Floating Ball Liquid Level device is utilized to respond to the lower liquid level gathered in bucket, as the judgement of precipitation condition, highly sensitive and reliability is strong.Utilize sun power electroplax and accumulator to provide heat energy and electric energy, be convenient to use in the wild.Lower collection bucket is provided with protective cover, can prevent impurity from entering sample storage container, can also effectively prevent birds from drinking water simultaneously.Precipitation storage device is provided with surplus valve, effectively can prevent the overflow in heavy rain situation.
The foregoing is only embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.

Claims (10)

1. a dried wet deposition sampling thief, for gathering depositing dust in external environment condition and precipitation, is characterized in that, comprise:
Upper harvester, its top externally environment is opened wide, for gathering depositing dust and precipitation;
Lower harvester, it is positioned at below described upper harvester, and is communicated with described upper harvester, for receiving the depositing dust and precipitation that described upper harvester collects;
Depositing dust storage device, it is connected to described lower harvester, for collecting the liquid in described lower harvester when the liquid level in described lower harvester is down to the first liquid level;
Precipitation storage device, it is connected to described lower harvester, for collecting the liquid in described lower harvester when the liquid level in described lower harvester rises to the second liquid level;
Fluid level control device, it is arranged in described lower harvester, for sensing the liquid level in described lower harvester, and controls flow direction depositing dust storage device or precipitation storage device according to this.
2. dried wet deposition sampling thief according to claim 1, is characterized in that, also comprise: wet method dust collect plant, and it is inner that it is positioned at described upper harvester, for carrying out wet method collection to the depositing dust falling into described upper harvester.
3. dried wet deposition sampling thief according to claim 2, is characterized in that, described wet method dust collect plant comprises rotating sprinklers and depositing dust brush.
4. dried wet deposition sampling thief according to claim 1, is characterized in that, described fluid level control device comprises Floating Ball Liquid Level device.
5. dried wet deposition sampling thief according to claim 1, is characterized in that, also comprises sun power electroplax and accumulator, for providing heat energy and electric energy.
6. dried wet deposition sampling thief according to claim 1, is characterized in that, also comprise surplus valve, and its one end is connected to the top of described precipitation storage device, and it is outside that the other end leads to described sampling thief.
7. dried wet deposition sampling thief according to claim 3, is characterized in that, also comprises water tank and heating arrangement, and described water tank is used for for described rotating sprinklers supplies water, and described heating arrangement is used for for described heating water tanks.
8. dried wet deposition sampling thief according to claim 7, it is characterized in that, also comprise insulation pipe network, described insulation pipe network is connected to described water tank, wherein circulate the hot water from described water tank, for being incubated described upper harvester, described lower harvester, described depositing dust storage device, described precipitation storage device.
9. dried wet deposition sampling thief according to claim 1 or 5, is characterized in that, also comprise heating arrangement, for heating described upper harvester.
10. dried wet deposition sampling thief according to claim 1, is characterized in that, also comprise protective cover, enters described sampling thief for preventing foreign matter or animal.
CN201520632112.9U 2015-08-20 2015-08-20 Do wet decimator of sinking Expired - Fee Related CN204903774U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106468779A (en) * 2015-08-20 2017-03-01 环境保护部核与辐射安全中心 Dried wet deposition sampler and the method for sampling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106468779A (en) * 2015-08-20 2017-03-01 环境保护部核与辐射安全中心 Dried wet deposition sampler and the method for sampling
CN106468779B (en) * 2015-08-20 2023-06-23 环境保护部核与辐射安全中心 Dry-wet sedimentation sampler and sampling method

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20151223

Termination date: 20160820