CN204925005U - Flow -through cell - Google Patents

Flow -through cell Download PDF

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Publication number
CN204925005U
CN204925005U CN201520632217.4U CN201520632217U CN204925005U CN 204925005 U CN204925005 U CN 204925005U CN 201520632217 U CN201520632217 U CN 201520632217U CN 204925005 U CN204925005 U CN 204925005U
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China
Prior art keywords
flow cell
electrode
flow
storage chamber
inlet
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CN201520632217.4U
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Chinese (zh)
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刘俊峰
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Beijing General Research Institute of Mining and Metallurgy
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Beijing General Research Institute of Mining and Metallurgy
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Abstract

The utility model provides a flow -through cell, hold sap cavity, flow -through cell lid, at least one electrode jack, inlet, liquid outlet including flow -through cell, wherein, the inlet is used for the feed liquor respectively and goes out liquid with the liquid outlet, just respectively with holding the sap cavity and connecting, the flow -through cell top sets up at least one electrode jack, test electrode trompil department can be inserted the liquid sample of test electrode in to flow -through cell and surveyd and sample simultaneously, the retaining chamber is cylindrical for liquid in the flow -through cell can the steady flow, and avoid turbulent production, thereby guarantee measured data's accuracy and authenticity, outer on -the -spot accurate, high -efficient, the simultaneous determination liquid multi -parameter of can being out of office, the open -air site work efficiency of improvement that can be very big is and guarantee the accuracy and the parallelism of result.

Description

A kind of flow cell
Technical field
The utility model relates generally to liquid measure technical field, relates to a kind of flow cell more specifically, and this flow cell can be used for detecting water body environment pH, oxidation-reduction potential, dissolved oxygen DO and conductivity scene in water investigation process simultaneously.
Background technology
In order to protect water environment, will detect water environment parameter.In order to ensure the accuracy of parameter, need directly to measure when sampling pH, oxidation-reduction potential, dissolved oxygen DO and conductivity.Obtain test result accurately, relevant testing apparatus is absolutely necessary.
Usually determination of electrode is adopted to pH, oxidation-reduction potential, dissolved oxygen DO and conductivity, method of testing is reliably easy, the accuracy that when electrode needs the water body being in flowing in mensuration, guarantee measures, and at present owing to lacking bioassay standard equipment, on-site measurement is measured by the method slowly stirred in a reservoir.This method of testing is carried out in random stirring, cannot the original water body environment of actual response, and test result accuracy is low, collimation is poor and the test duration is long.If electrode is directly inserted in target water body, though good result can be obtained, work at the scene and be often subject to the influence of topography, cannot carry out the work at nearby water bodies.For underground water, the method is inapplicable especially.In addition, in the wild in work on the spot, be also often measure one by one to pH, oxidation-reduction potential, dissolved oxygen DO and conductivity, the time is long, efficiency is low.
Utility model content
The technical problems to be solved in the utility model there are the problems referred to above for current on-the-spot water environment parameter measuring technology, propose one can facilitate, accurately, efficiently and long service life, the flow cell that ease of assembly carries, thus can greatly improve the accuracy of the parameter on-site measurement of water environment, collimation and testing efficiency.
For achieving the above object, the utility model proposes a kind of flow cell, comprise flow cell storage chamber, flow cell lid, at least one electrode jack, inlet, liquid outlet, wherein, inlet and liquid outlet are respectively used to feed liquor and fluid, and be connected with described storage chamber respectively, flow cell top arranges at least one electrode jack, and described test electrode tapping can insert test electrode and measure the fluid sample in flow cell and sample simultaneously; Described storage chamber is cylindrical, makes liquid in flow cell can steady flow, and avoid the generation of turbulent flow, thus ensure accuracy and the authenticity of measurement data, so-called authenticity, refers to the proximity with the parameter in true water environment.
Preferably, at least one electrode jack described is arranged on described flow cell and covers.
In above-mentioned either a program, preferably, described electrode jack is connected with flow cell lid by water joint, can effectively prevent liquid from flowing out in flow cell.
In above-mentioned either a program, preferably, described storage chamber is made up of transparent PVC (Polyvinylchloride, Polyvinylchloride), is convenient to observe.
In above-mentioned either a program, preferably, described flow cell lid and described storage chamber are that silk mouth is connected.
In above-mentioned either a program, preferably, the junction of described flow cell lid and described storage chamber adds cushion rubber, and it is simultaneously for convenience detach to carry out sealing, cleans flow cell inside.
In above-mentioned either a program, preferably, arrange flow control valve between described inlet and storage chamber, this variable valve can carry out regulating and controlling to the water yield in the pond that circulates.
In above-mentioned either a program, preferably, described inlet place also arranges overflow vent, and surplus liquid is discharged by overflow vent.Overflow vent pipeline and inlet pipeline degree in a vertical angle.
In above-mentioned either a program, preferably, described overflow vent place arranges overflow vent switch, when Flux Valve Control water flow, and when described relief cock is opened, carries out discharge opeing by overflow vent.
In above-mentioned either a program, preferably, the external discharge opeing stream guiding tube of described overflow vent.
In above-mentioned either a program, preferably, described liquid outlet is arranged on the top of flow cell, on total section with described inlet for arrange angie type is vertical, that is, described liquid outlet is positioned at above described inlet, and vertical with inlet pipeline, also namely, the upper and lower diagonal vertical perforation of described flow cell sidewall forms water sample outlet and water sample import; The method effectively can reduce the disturbance in liquid assay process, keeps liquid steady flow in flow cell.
In above-mentioned either a program, preferably, described liquid outlet place arranges flowmeter, liquid stream speed in flow cell is detected, can by observing this flowmeter, and regulate feed liquor and liquid outlet quantity, thus the truth of liquid flow in simulating reality environment, ensure accuracy and the authenticity of measuring the data obtained further.
In above-mentioned either a program, preferably, the other end of described flowmeter arranges thief hatch, this thief hatch connects software silicone tube, connects irony long tube, sample sample after silicone tube.
In above-mentioned either a program, preferably, Stationary pH electrode, oxidation-reduction potential electrode, dissolved oxygen electrode and conductivity electrode in described electrode jack.
This is adopted to use novel flow cell, can facilitate, accurately, efficient and long service life, the flow cell that ease of assembly carries, thus can greatly improve the accuracy of the parameter on-site measurement of water environment, collimation and testing efficiency, can Simultaneously test many kinds of parameters.The data reliability measured, stability are stronger; Can according to the flow velocity of underground water or surface water, by the size of flow regulation valve regulation current; This flow cell volume is little, is easy to carry, and has larger using value and market potential, can be widely used in surface water, subterranean water enquire work.
Accompanying drawing explanation
Fig. 1 is the front view of the preferred embodiment according to flow cell of the present utility model.
Fig. 2 is the vertical view of flow cell shown in Fig. 1.
Fig. 3 is the right view (water inlet direction side view) of flow cell shown in Fig. 1.
Fig. 4 is the sampling apparatus one preferred embodiment schematic diagram according to flow cell of the present utility model.
1-storage chamber, 2-flow cell lid, 3-electrode jack, 4-water inlet, 5-flow control valve, 6-overflow vent, 7-overflow vent switch, 8-water delivering orifice, 9-flowmeter, 10-thief hatch, 11-software silicone tube, 12-irony long tube.
Embodiment
In order to more clearly understand content of the present utility model, in the following description, with reference to specific embodiment and accompanying drawing, content of the present utility model is further illustrated, explained.
Embodiment 1
A kind of flow cell, for water sample parametric measurement, as Figure 1-3, in the present embodiment, flow cell structure comprises storage chamber 1, flow cell lid 2, four electrode jacks 3, water inlet 4, flow control valve 5, overflow vent 6, overflow vent switch 7, water delivering orifice 8, flowmeter 9, thief hatchs 10.Wherein, water inlet 4 is connected with storage chamber 1 respectively with water delivering orifice 8; Water inlet 4 is arranged on storage chamber 1 bottom, and between water inlet 4 and storage chamber 1, be provided with flow control valve 5 and overflow vent 6, overflow vent place is also provided with overflow vent switch 7; Water delivering orifice 8 is arranged on storage chamber 1 top, and vertical with water inlet 4, and at water delivering orifice 8, flowmeter 9 is equipped with at place, can read flow rate of water flow in flow cell by flowmeter 9; The other end of flowmeter 9 connects thief hatch 10; Flow cell lid 2 is located at the top of storage chamber 1, and is connected by silk mouth, and adds cushion rubber at flow cell lid 2 with the junction of storage chamber 1 and carry out sealing; Flow cell lid 2 is provided with four electrode jacks 3, and insert pH electrode, oxidation-reduction potential electrode, dissolved oxygen electrode and conductivity electrode respectively, electrode jack 3 is connected with flow cell lid 2 by water joint.
In the present embodiment, the other end of thief hatch 10 connects software silicone tube 11, and the other end of software silicone tube 11 connects irony long tube 12, and the structural representation of software silicone tube 11 and irony long tube 12 as shown in Figure 4.
In the present embodiment, storage chamber 1 is made up of transparent PVC, and this is conducive to the observation carrying out internal flow.
Water inlet 4 need be arranged on storage chamber 1 bottom, and water delivering orifice 8 is on storage chamber 1 top.In use, close overflow vent switch 7, the flow control valve 5 be connected with water inlet 4 is all opened, current are made to be full of storage chamber 1 from bottom to top, by flow control valve 5, water inlet is regulated afterwards, control amount of inlet water, open overflow vent switch 7 simultaneously, the unnecessary water yield flowed out by overflow vent 6, the other end place of overflow vent switch 7 connects and mozzle can be established to carry out water conservancy diversion.
When the flowmeter 9 of water delivering orifice reaches expection flow velocity, stop regulating, after pH, oxidation-reduction potential, dissolved oxygen DO and conductivity electrode reading are steady, can start to gather at water outlet water sample, read the test result of pH, oxidation-reduction potential, dissolved oxygen DO and conductivity electrode simultaneously.
Embodiment 2.1
A kind of flow cell, for water sample parametric measurement, as different from Example 1, inserts pH electrode, dissolved oxygen electrode, conductivity electrode and turbidity electrode respectively in four electrode jacks 3.
Embodiment 2.2
A kind of flow cell, for water sample parametric measurement, as different from Example 1, inserts pH electrode, dissolved oxygen electrode, oxidation-reduction potential electrode and turbidity electrode respectively in four electrode jacks 3.
Embodiment 2.3
A kind of flow cell, for water sample parametric measurement, as different from Example 1, inserts pH electrode, conductivity electrode, oxidation-reduction potential electrode and turbidity electrode respectively in four electrode jacks 3.
Embodiment 2.4
A kind of flow cell, for water sample parametric measurement, as different from Example 1, inserts conductivity electrode, dissolved oxygen electrode, oxidation-reduction potential electrode and turbidity electrode respectively in four electrode jacks 3.
Embodiment 3.1
A kind of flow cell, for water sample parametric measurement, as different from Example 1, flow cell lid 2 is provided with five electrode jacks 3, inserts pH electrode, conductivity electrode, dissolved oxygen electrode, oxidation-reduction potential electrode and turbidity electrode respectively.
Embodiment 3.2
A kind of flow cell, for water sample parametric measurement, as different from Example 1, flow cell lid 2 is provided with five electrode jacks 3, inserts pH electrode, conductivity electrode, dissolved oxygen electrode, oxidation-reduction potential electrode, ion-selective electrode respectively.The flow cell of the present embodiment may be used for surface water parameter measurement.
Embodiment 3.3
A kind of flow cell, for water sample parametric measurement, as different from Example 1, flow cell lid 2 is provided with five electrode jack 3, pH electrodes, conductivity electrode, dissolved oxygen electrode, oxidation-reduction potential electrode, turbidity electrodes.The flow cell of the present embodiment may be used for ground water parameter measurement.
Embodiment 3.4
A kind of flow cell, for water sample parametric measurement, as different from Example 1, flow cell lid 2 is provided with six electrode jacks 3, inserts pH electrode, conductivity electrode, dissolved oxygen electrode, oxidation-reduction potential electrode, turbidity electrode, ion-selective electrode respectively.The flow cell of the present embodiment may be used for ground water parameter measurement.
Embodiment 4.1
A kind of flow cell, for water sample parametric measurement, as different from Example 1, the flow cell in the present embodiment does not comprise overflow vent 6 and overflow vent switch 7.
Embodiment 4.2
A kind of flow cell, for water sample parametric measurement, as different from Example 1, the flow cell in the present embodiment does not comprise software silicone tube 11 and irony long tube 12.
Embodiment 4.3
A kind of flow cell, for water sample parametric measurement, as different from Example 1, the flow cell in the present embodiment does not comprise the cushion rubber being located at flow cell lid 2 and storage chamber 1 junction.
Embodiment 4.4
A kind of flow cell, for water sample parametric measurement, as different from Example 1, the flow cell in the present embodiment does not comprise is located at flow control valve 5.
Embodiment 5.1
A kind of flow cell, for water sample parametric measurement, as different from Example 1, the other end connected drainage stream guiding tube of overflow vent switch 7.
Embodiment 5.2
A kind of flow cell, for water sample parametric measurement, with embodiment 5.1 unlike, described discharge opeing stream guiding tube leads to outside liquid storage device.
Flow cell of the present utility model is not limited to the above-mentioned parameter testing of water body example collection and field sample, and can be fluid in various environment, comprises the detection of various blowdown waste liquid.Do not enumerate at this.

Claims (14)

1. a flow cell, comprise flow cell storage chamber, flow cell lid, at least one electrode jack, inlet, liquid outlet, wherein, inlet and liquid outlet are respectively used to feed liquor and fluid, and be connected with described storage chamber respectively, flow cell top arranges at least one electrode jack; It is characterized in that: described storage chamber is cylindrical.
2. flow cell as claimed in claim 1, is characterized in that: at least one electrode jack described is arranged on described flow cell and covers.
3. flow cell as claimed in claim 2, is characterized in that: described electrode jack is connected with flow cell lid by water joint, can effectively prevent liquid from flowing out in flow cell.
4. flow cell as claimed in claim 1, is characterized in that: described storage chamber is made up of transparent PVC.
5. flow cell as claimed in claim 4, is characterized in that: described flow cell lid and described storage chamber are that silk mouth is connected.
6. flow cell as claimed in claim 5, is characterized in that: the junction of described flow cell lid and described storage chamber adds cushion rubber.
7. flow cell as claimed in claim 1, is characterized in that: arrange flow control valve between described inlet and storage chamber.
8. flow cell as claimed in claim 1, is characterized in that: described inlet place arranges overflow vent, overflow vent pipeline and inlet pipeline degree in a vertical angle.
9. flow cell as claimed in claim 8, is characterized in that: described overflow vent place arranges overflow vent switch.
10. flow cell as claimed in claim 9, is characterized in that: the external discharge opeing stream guiding tube of described overflow vent.
11. flow cells as claimed in claim 1, is characterized in that: described liquid outlet is arranged on the top of flow cell, on total section with described inlet for arrange angie type is vertical.
12. flow cells as claimed in claim 11, is characterized in that: described liquid outlet place arranges flowmeter.
13. flow cells as claimed in claim 12, is characterized in that: the other end of described flowmeter arranges thief hatch, this thief hatch connect software silicone tube, connect irony long tube, sample sample after silicone tube.
14. flow cells according to any one of claim 1-13, is characterized in that: Stationary pH electrode, oxidation-reduction potential electrode, dissolved oxygen electrode and conductivity electrode in described electrode jack.
CN201520632217.4U 2015-08-20 2015-08-20 Flow -through cell Active CN204925005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520632217.4U CN204925005U (en) 2015-08-20 2015-08-20 Flow -through cell

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105911109A (en) * 2016-04-12 2016-08-31 西安石油大学 Method for online measurement of dissolved oxygen in water, and apparatus thereof
CN109470750A (en) * 2018-10-31 2019-03-15 南京信息工程大学 A kind of online flow cell of water solubility atmosphere multi-parameter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105911109A (en) * 2016-04-12 2016-08-31 西安石油大学 Method for online measurement of dissolved oxygen in water, and apparatus thereof
CN109470750A (en) * 2018-10-31 2019-03-15 南京信息工程大学 A kind of online flow cell of water solubility atmosphere multi-parameter

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