CN206281748U - The sampler of pollutant breakthrough curve under the conditions of a kind of measure unsaturation - Google Patents

Abstract

The utility model is related to a kind of sampler of pollutant breakthrough curve under the conditions of measure unsaturation, including water source, the first driver part, the second driver part, impurity absorption part and sample memory unit, water source, the first driver part, impurity absorption part are connected by the first flexible pipe, impurity absorption part, the second driver part and sample memory unit are connected by the second flexible pipe, the upper limit of the power of the second driver part is provided with least one means for ventilation more than the upper limit of the power of the first driver part on impurity absorption part.Water source is by the first flexible pipe to providing water in impurity absorption part, in the presence of the second driver part, sample is guided to sample memory unit by the second flexible pipe, because the upper limit of the power of the second driver part is more than the upper limit of the power of the first driver part, and the means for ventilation on impurity absorption part, it is ensured that air can enter impurity absorption part, then reconcile first, second driver part, so that sample introduction speed is with to go out water speed consistent, sample is collected.

Description

The sampler of pollutant breakthrough curve under the conditions of a kind of measure unsaturation

Technical field

Pollutant is penetrated under the conditions of the utility model is related to breakthrough curve testing field, more particularly to a kind of measure unsaturation The sampler of curve.

Background technology

At present, for some water-soluble miniature contaminant particles, want to study their transmission rule in porous media Rule and environment return, and breakthrough curve test method is a kind of conventional method of industry, and pillar device, then in being this test method A kind of conventional device.

Breakthrough curve is fluid by adsorption bed, the curve that adsorption density is changed over time in effluent.Penetrate song Thread test is typically all saturation testing, i.e., the experiment under the status condition of water is completely filled with media voids.Used in experiment Medium can be quartzy sand grains, soil etc., and specific particle diameter determines according to test requirements document.Can be using the method for wet method dress post to pillar Middle loading medium, it is ensured that do not have air in pillar, is presented saturation state.Pillar bottom and top respectively with stainless steel gauze every Open, then screwed plastic closure and base with screw.Porch connects peristaltic pump.Song is penetrated by what experiment can obtain sample Line, finds transportation law of the sample in used medium.

But these transportation laws of water-soluble contaminant particles in unsaturation medium are also very necessary, unsaturation The state of water is not completely filled with state, i.e. media voids.In unsaturation medium, due to the presence and influence of air phase, make With and rule change will be complicated it is many, research is also necessary.

Utility model content

Technical problem to be solved in the utility model is to provide pollutant breakthrough curve under the conditions of a kind of measure unsaturation Sampler, solve the problems, such as that the unsaturation medium of extraction standard contaminant particles is difficult.

The technical scheme that the utility model solves above-mentioned technical problem is as follows：Pollutant is worn under the conditions of one kind determines unsaturation The sampler of saturating curve, including water source, the first driver part, the second driver part, impurity absorption part and sample storage part Part, the water source, the first driver part, impurity absorption part are sequentially connected by the first flexible pipe, the impurity absorption part, Two driver parts and sample memory unit are sequentially connected by the second flexible pipe, and the upper limit of the power of second driver part is more than institute The upper limit of the power of the first driver part is stated, at least one means for ventilation is provided with the impurity absorption part.

On the basis of above-mentioned technical proposal, the utility model can also do following improvement.

Further, the impurity absorption part includes filtrate and filtrate carrier, and the filtrate is filled in the mistake Screening carrier inside, the filtrate upper carrier is connected with first flexible pipe, the filtrate carrier bottom and described Two flexible pipes are connected, and the means for ventilation is arranged on the filtrate carrier.

Further, the filtrate carrier includes upper lid, glass tube and lower cover, and the upper lid is detachably arranged at the glass Glass pipe top, the lower cover is detachably arranged at the glass tube bottom, the upper lid and the lower cover with the glass tube Airtight connection, first flexible pipe is connected through the upper lid with second inside hose, and the means for ventilation is arranged on institute State on glass tube side wall.

Further, first driver part is the first peristaltic pump, and second driver part is the second peristaltic pump, described First peristaltic pump releasable is folded on first flexible pipe, and it is soft that the second peristaltic pump releasable is folded in described second Guan Shang.

Further, the means for ventilation is provided with six.

Further, wherein three means for ventilations are from top to bottom successively set on the impurity absorption part side, separately Outer three means for ventilations are from top to bottom successively set on the impurity absorption part opposite side.

Further, means for ventilation described in both sides from top to bottom apart from the impurity absorption component upper ends size for 3cm, 7.5cm and 12cm.

Further, the means for ventilation is poly tetrafluoroethylene.

Further, the sample memory unit includes hose bracket and at least one prepare liquid storage tank, and described second is soft The outlet end of pipe is arranged on the top of the hose bracket, and the prepare liquid storage tank is arranged on the hose bracket, described The lower section of the opening up outlet end for being arranged on second flexible pipe of prepare liquid storage tank.

Further, the prepare liquid storage tank is test tube.

The sampler of pollutant breakthrough curve under the conditions of a kind of measure unsaturation of the utility model offer, including water source, First driver part, the second driver part, impurity absorption part and sample memory unit, it is the water source, the first driver part, miscellaneous Matter adsorption element is sequentially connected by the first flexible pipe, and the impurity absorption part, the second driver part and sample memory unit lead to Cross the second flexible pipe to be sequentially connected, the upper limit of the power of the upper limit of the power more than first driver part of second driver part, At least one means for ventilation is provided with the impurity absorption part.So, pollutant penetrates song under the conditions of unsaturation is extracted During line, sample sampling is first carried out, water source passes through the first flexible pipe in the presence of the first driver part, in impurity absorption part Water is provided, in the presence of the second driver part, the water after being filtered in impurity absorption part sample is guided to by the second flexible pipe This memory unit, because the upper limit of the power of second driver part is more than the upper limit of the power of first driver part, second Driver part controls out the driver part of sample velocity ratio first to control sample introduction flow velocity fast, and the ventilation part on impurity absorption part Part, it is ensured that air can enter impurity absorption part, but water can not but flow out from impurity absorption part, so that it is determined that non-full With experimental enviroment when the moisture content in impurity absorption part reaches the determination value of needs, then reconcile the first driver part and second Driver part so that with to go out water speed consistent, after starting sample introduction, the moment that sample flows out from sampler is designated as T to sample introduction speed₀, Efflux was gathered once per T minutes.Advantage in terms of existing technologies is：The micro- of water can be measured under the conditions of unsaturation Transportation law and environment of the type contaminant particles in porous media return.

Brief description of the drawings

Fig. 1 illustrates for the overall structure of the sampler of pollutant breakthrough curve under the conditions of the utility model measure unsaturation Figure.

In accompanying drawing, the list of parts representated by each label is as follows：

1st, water source, the 2, first flexible pipe, the 3, second flexible pipe, the 4, first driver part, the 5, second driver part, 6, upper lid, 7, Glass tube, 8, lower cover, 9, means for ventilation, 10, hose bracket, 11, prepare liquid storage tank.

Specific embodiment

Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit scope of the present utility model.

As shown in figure 1, the utility model provides a kind of sampler of pollutant breakthrough curve under the conditions of measure unsaturation, Including water source 1, the first driver part 4, the second driver part 5, impurity absorption part and sample memory unit, the water source 1, One driver part 4, impurity absorption part are sequentially connected by the first flexible pipe 2, the impurity absorption part, the second driver part 5 It is sequentially connected by the second flexible pipe 3 with sample memory unit, the upper limit of the power of second driver part 5 is driven more than described first The upper limit of the power of dynamic component 4, is provided with least one means for ventilation 9 on the impurity absorption part.So, extracting unsaturated Under the conditions of pollutant breakthrough curve when, first to carry out sample sampling, water source 1 by the first flexible pipe 2 the first driver part 4 work Under, to water is provided in impurity absorption part, in the presence of the second driver part 5, after being filtered in impurity absorption part Water is guided to sample memory unit by the second flexible pipe 3, because the upper limit of the power of second driver part 5 is more than described first The upper limit of the power of driver part 4, the second driver part 5 controls out the first driver part of sample velocity ratio 4 to control sample introduction flow velocity fast, and And the means for ventilation 9 on impurity absorption part, it is ensured that air can enter impurity absorption part, but water can not but be inhaled from impurity Outflow in attached part, so that it is determined that unsaturation experimental enviroment reaches the determination value of needs when the moisture content in impurity absorption part When, then reconcile the first driver part 4 and the second driver part 5 so that sample introduction speed with to go out water speed consistent, after starting sample introduction, The moment that sample flows out from sampler is designated as T₀, efflux collection in every T minutes is once.Advantage in terms of existing technologies It is：Transportation law and environment of the miniature contaminant particles of water in porous media can be measured under the conditions of unsaturation to return.

The sampler of pollutant breakthrough curve under the conditions of a kind of measure unsaturation of the present utility model, as shown in figure 1, Be can also be on the basis of previously described technical scheme：The impurity absorption part includes filtrate and filtrate carrier, institute State filtrate and be filled in the filtrate carrier inside, the filtrate upper carrier is connected with first flexible pipe 2, the mistake Screening carrier bottom is connected with second flexible pipe 3, and the means for ventilation 9 is arranged on the filtrate carrier.So, taking Before sample, a certain amount of water first is poured into toward filtrate carrier, contain some filtrates and be poured into water.Until filtrate surface is in underwater At general 0.5-1cm, it is gently mixed with glass bar, is gently patted on the outside of filtrate carrier, further drives bubble away.Repeat several It is secondary, until filling filtrate in filtrate carrier, sample extraction is being carried out, improve sample precision.Further preferred technical side Case is：The filtrate carrier includes upper lid 6, glass tube 7 and lower cover 8, and the upper lid 6 is detachably arranged at the glass tube 7 Top, the lower cover 8 is detachably arranged at the bottom of the glass tube 7, the upper lid 6 and the lower cover 8 with the glass tube 7 Airtight connection, first flexible pipe 2 is connected through the upper lid 6 with the inside of second flexible pipe 3, and the means for ventilation 9 is set On the side wall of the glass tube 7.So, the upper lid 6 is detachably arranged at the top of the glass tube 7, and the lower cover 8 is detachable Be arranged on the bottom of the glass tube 7, the upper lid 6 and the lower cover 8 with the airtight connection of the glass tube 7, filtered in filling During thing, first upper lid 6 is opened, filtrate is filled to filtrate carrier, lid 6 on fastening are filled efficient and convenient.Enter one Walking preferred technical scheme is：The upper lid 6 and lower cover 8 are stainless steel membrane.Device is at the injection port of pillar respectively and goes out sample Dispersing water flow at mouthful, maintains capillary pressure dynamic balance.Further preferred technical scheme is：The stainless steel membrane and glass tube 7 Between be provided with rubber o-ring.So, fluid seepage is prevented by rubber o-ring.Further preferred technical scheme is：Institute It is the first peristaltic pump to state the first driver part 4, and second driver part 5 is the second peristaltic pump, and first peristaltic pump is removable Except formula is folded on first flexible pipe 2, the second peristaltic pump releasable is folded on second flexible pipe 3.So, it is compacted Dynamic pump is exactly that one section of pump line between two transfer roller forms " pillow " shape fluid.The volume of " pillow " depend on pump line internal diameter and The geometric properties of rotor.Flow depends on the number of " pillow " that the rotating speed of pump head and the size of " pillow ", rotor every revolution are produced This three products of parameter；Compared by root diameter identical pump, produce the pump of larger " pillow " volume, its rotor every revolution The fluid volume for being conveyed is also larger, but the pulsation degree for producing is also larger.This is similar to the situation of film valve；And produce smaller " pillow " The pump of volume, the fluid volume that its rotor every revolution is conveyed is also smaller；And, small " pillow " for rapidly, continuously being formed makes The flowing of fluid is more steady.It is pollution-free：Fluid only contacts pump line, does not contact the pump housing；High precision：Repeatable accuracy, stability essence Degree is high；Low-shearing force：It is conveying shear-sensitive, the ideal tools of aggressivity high current body；Good airproof performance：With good from energy-absorbing Power, idle running can anti-backflow；Safeguard simple：Valveless and seal；With two-way equal flow conveying capacity；No liquid Any part of pump will not be caused damage in the case of dry run.

Further preferred technical scheme is：The means for ventilation 9 is provided with six.So, on impurity absorption part Set six means for ventilations 9, the power of the second driver part 5 more than the first driver part 4 power when, impurity absorption part from Means for ventilation 9 considerably increases the contact surface with outside air from extraneous internally draw air, six means for ventilations 9 of setting Product, improves outside air and draws efficiency, while preventing impurity absorption components interior pressure smaller, sample is flowed back, and influences data Accuracy in detection.

The sampler of pollutant breakthrough curve under the conditions of a kind of measure unsaturation of the present utility model, as shown in figure 1, Be can also be on the basis of previously described technical scheme：Wherein three means for ventilations 9 are from top to bottom successively set on institute Impurity absorption part side is stated, it is another that means for ventilation 9 described in the other three is from top to bottom successively set on the impurity absorption part Side.So, three means for ventilations 9 are from top to bottom successively set on the impurity absorption part side, the other three institute State means for ventilation 9 and be from top to bottom successively set on the impurity absorption part opposite side, driven in the first driver part 4 and second When part 5 produces difference, impurity absorption part can draw outside air from both sides, improve air extraction efficiency.Further preferably Technical scheme be：Means for ventilation 9 described in both sides from top to bottom apart from the impurity absorption component upper ends size for 3cm, 7.5cm and 12cm.Because impurity absorption part general 16.5cm high, a diameter of 2.5cm, means for ventilation 9 is by up to described in both sides The lower size apart from the impurity absorption component upper ends is 3cm, 7.5cm and 12cm so that means for ventilation 9 is evenly distributed on described The both sides of impurity absorption part, generation can be prevented effectively from the upper, middle and lower of impurity absorption part with draw air Partial pressure differential.Further preferred technical scheme is：The means for ventilation 9 is poly tetrafluoroethylene.So, poly tetrafluoroethylene It is able to ensure that air can enter impurity absorption part, but water can not but flow out from impurity absorption part, so that it is determined that non- Saturation testing environment.

The sampler of pollutant breakthrough curve under the conditions of a kind of measure unsaturation of the present utility model, as shown in figure 1, Be can also be on the basis of previously described technical scheme：The sample memory unit is treated including hose bracket 10 and at least one Liquid storage tank 11 is surveyed, the outlet end of second flexible pipe 3 is arranged on the top of the hose bracket 10, the prepare liquid storage tank 11 are arranged on the hose bracket 10, and the opening up of the prepare liquid storage tank 11 is arranged on going out for second flexible pipe 3 The lower section at liquid end.So, in sample from after the outflow of the second flexible pipe 3, because the prepare liquid storage tank 11 is arranged on the flexible pipe On bracket 10, the lower section of the opening up outlet end for being arranged on second flexible pipe 3 of the prepare liquid storage tank 11, sample flow Can be flowed into prepare liquid storage tank 11 after going out, simple structure, improve operating efficiency.Further preferred technical scheme is：It is described Prepare liquid storage tank 11 is test tube.Test tube is the carrier of conventional storage sample, can substantially increase sample with various detection means This detection efficiency.

Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all in this practicality Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (10)

1. the sampler of pollutant breakthrough curve under the conditions of a kind of measure is unsaturated, it is characterised in that：Including water source (1), One driver part (4), the second driver part (5), impurity absorption part and sample memory unit, the water source (1), first drive Part (4), impurity absorption part are sequentially connected by the first flexible pipe (2), the impurity absorption part, the second driver part (5) It is sequentially connected by the second flexible pipe (3) with sample memory unit, the upper limit of the power of second driver part (5) is more than described the The upper limit of the power of one driver part (4), is provided with least one means for ventilation (9) on the impurity absorption part.

2. a kind of sampler of pollutant breakthrough curve under the conditions of measure is unsaturated according to claim 1, its feature exists In：The impurity absorption part includes filtrate and filtrate carrier, and the filtrate is filled in the filtrate carrier inside, The filtrate upper carrier is connected with first flexible pipe (2), and the filtrate carrier bottom is with second flexible pipe (3) even Connect, the means for ventilation (9) is arranged on the filtrate carrier.

3. a kind of sampler of pollutant breakthrough curve under the conditions of measure is unsaturated according to claim 2, its feature exists In：The filtrate carrier includes upper lid (6), glass tube (7) and lower cover (8), and the upper lid (6) is detachably arranged at the glass Glass pipe (7) top, the lower cover (8) is detachably arranged at the glass tube (7) bottom, the upper lid (6) and the lower cover (8) With the glass tube (7) airtight connection, first flexible pipe (2) is internal through the upper lid (6) and second flexible pipe (3) Connection, the means for ventilation (9) is arranged on the wall of the glass tube (7) side.

4. a kind of sampler of pollutant breakthrough curve under the conditions of measure is unsaturated according to claim 3, its feature exists In：First driver part (4) is the first peristaltic pump, and second driver part (5) is the second peristaltic pump, and described first is compacted Dynamic pump releasable is folded on first flexible pipe (2), and the second peristaltic pump releasable is folded in second flexible pipe (3) on.

5. the sampling of pollutant breakthrough curve is filled under the conditions of a kind of measure unsaturation according to claim 1-4 any one Put, it is characterised in that：The means for ventilation (9) is provided with six.

6. a kind of visible tooth gap cleaning device according to claim 5, it is characterised in that：Wherein three ventilation parts Part (9) is from top to bottom successively set on the impurity absorption part side, means for ventilation (9) described in the other three from top to bottom according to It is secondary to be arranged on the impurity absorption part opposite side.

7. the sampler impurity absorption portion of pollutant breakthrough curve under the conditions of a kind of measure is unsaturated according to claim 6 Part, it is characterised in that：Means for ventilation described in both sides (9) from top to bottom apart from the impurity absorption component upper ends size for 3cm, 7.5cm and 12cm.

8. a kind of sampler of pollutant breakthrough curve under the conditions of measure is unsaturated according to claim 7, its feature exists In：The means for ventilation (9) is poly tetrafluoroethylene.

9. the sampling of pollutant breakthrough curve is filled under the conditions of a kind of measure unsaturation according to claim 1-4 any one Put, it is characterised in that：The sample memory unit includes hose bracket (10) and at least one prepare liquid storage tank (11), described The outlet end of the second flexible pipe (3) is arranged on the top of the hose bracket (10), and the prepare liquid storage tank (11) is arranged on institute State on hose bracket (10), the opening up outlet end for being arranged on second flexible pipe (3) of the prepare liquid storage tank (11) Lower section.

10. a kind of sampler of pollutant breakthrough curve under the conditions of measure is unsaturated according to claim 9, its feature exists In：The prepare liquid storage tank (11) is test tube.