CN202886314U - Liquid oxidization detection electrode and device thereof - Google Patents
Liquid oxidization detection electrode and device thereof Download PDFInfo
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- CN202886314U CN202886314U CN201220487236.9U CN201220487236U CN202886314U CN 202886314 U CN202886314 U CN 202886314U CN 201220487236 U CN201220487236 U CN 201220487236U CN 202886314 U CN202886314 U CN 202886314U
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Abstract
The utility model relates to the field of liquid conductivity measurement, and discloses a liquid oxidization detection electrode. The liquid oxidization detection electrode comprises a ring-shaped inner electrode and a ring-shaped external electrode, wherein a liquid channel is arranged between the inner electrode and the external electrode, and the external end surface of the inner electrode and the inner end surface of the external electrode shrink gradually from top to bottom. The liquid oxidization detection electrode has the advantage that the contact area between the electrode and the liquid is big, the electrode is relatively short, the electrode constant is small, the requirement on installation is low, and the oxidization efficiency is high.
Description
Technical field
The utility model relates to the liquid electric conductivity fields of measurement, particularly a kind of liquid oxidation detecting electrode and device thereof.
Background technology
It is the very effective method of the organic contamination substrate concentration in a kind of mensuration liquid, the especially water that total organic carbon (TOC) is measured.In all TOC measuring techniques, all adopt the method that the carbon in the organic contaminant is converted into carbon dioxide to detect.
Prior art has disclosed the method for various TOC content for measuring liquid, the variation of the liquid electric conductivity that so-called " the differential electricity is led (differential conductivity) " technology causes the impact of the conductivity of liquid before and after oxidation processes by the organic compound in the tracer liquid, thereby the TOC content in the organic compound in the mensuration liquid, and further detect the content of the organic compound in the liquid.In the method, so-called oxidation processes starts by the UV-irradiation sample liquids.
The differential conductance technology is to utilize the sample of continuous flow or sample that pause-mobile mode operates to detect.But no matter be to adopt the continuous flow mode or adopt the pause-type of flow that fluid sample is detected, all be absolutely necessary for the potential electrode of measuring liquid electric conductivity with for the cavity that carries out oxidation reaction.
For potential electrode, in the process that the liquid of low conductivity is measured, requiring has less electrode constant, namely requires the relative area of electrode large, and the near distance of electrode.
Prior art often adopts the electrode structure of concentric cylindric inside and outside electrode to reduce the electrode constant of potential electrode.But in such electrode structure, the passage of liquid flow is often comparatively narrow, can't provide oxidation reaction with enough ultraviolet irradiated areas.Yield to electrode shape the profile of UV-lamp is changed then relatively difficulty.The problem of the intensity that will consider the UV-lamp fluorescent tube of still needing in addition.
The length of the potential electrode of the concentric circles tubular of prior art is longer, and requirement on machining accuracy is higher.Simultaneously, when measuring operation, because there is the cecum of liquid flow in electrode interior, the liquid after the measurement can't be replaced timely, and the concentration polarization phenomenon is comparatively obvious, and is larger on the accuracy impact of measuring.
Summary of the invention
There is processing difficulties in the utility model for prior art, and the concentration polarization phenomenon is on the larger shortcoming of measurement accuracy impact, providing a kind of has than the low electrode constant, simultaneously can provide oxidation reaction with larger cavity, requirement on machining accuracy is not high, more is difficult for producing new liquid oxidation detecting electrode and the device thereof of concentration polarization.
For achieving the above object, the utility model can be taked following technical proposals:
The liquid oxidation detecting electrode comprises interior electrode and the external electrode of ring-type being provided with flow passage between interior electrode and the external electrode that the outside end face of described interior electrode and the inner side end of external electrode shrink gradually from top to bottom.
As preferably, also comprise the cavity that is connected with described flow passage, cavity is positioned at the flow passage bottom, and inside cavity is provided with uviol lamp.
As preferably, be provided with the transparent spacer layer for isolation between described cavity and the flow passage.
As preferably, described uviol lamp fluorescent tube ringwise or cylindrical.
As preferably, be provided with water inlet and water delivering orifice on the described external electrode, water inlet and water delivering orifice are connected with flow passage respectively.
As preferably, also comprise interior electrode hold-down nut, interior electrode fixed head, installing plate, fixed head, glass sheet, ultraviolet lamp socket, holder; Wherein, holder is fixedly connected with fixed head and consists of a confined space, and installing plate is covered in the upper surface of fixed head and is fixedly connected with fixed head; The uviol lamp seat is positioned at confined space inside, and the lower surface of ultraviolet lamp socket is fixedly connected with holder, and it is inner that described cavity is positioned at the ultraviolet lamp socket; Glass sheet is positioned at the top of ultraviolet lamp socket, the upper surface of glass sheet is connected with the lower surface of interior electrode fixed head, the lower surface of glass sheet is connected with the upper surface of interior electrode, be provided with the electrode sealing circle for sealing between glass sheet and the interior electrode, be fixedly connected with by interior electrode hold-down nut between glass sheet, interior electrode fixed head, the interior electrode; Described external electrode is between glass sheet and ultraviolet lamp socket, between external electrode and the glass sheet, be respectively arranged with the external electrode O-ring seal for sealing between external electrode and the ultraviolet lamp socket; Also be provided be used to the through hole that holds interior electrode fixed head on described fixed head and the installing plate.
As preferably, be provided be used to the uviol lamp mounting hole that holds uviol lamp on described ultraviolet lamp socket and the holder sidewall.
As preferably, also comprise interior electrode hold-down nut, interior electrode fixed head, installing plate, fixed head, glass sheet, holder; Wherein, holder is fixedly connected with fixed head and consists of a confined space, and installing plate is covered in the upper surface of fixed head and is fixedly connected with fixed head; Described glass sheet is positioned at the fixed head below, the upper surface of glass sheet is connected with the lower surface of interior electrode fixed head, the lower surface of glass sheet is connected with the upper surface of interior electrode, be provided with the electrode sealing circle for sealing between glass sheet and the interior electrode, be fixedly connected with by interior electrode hold-down nut between glass sheet, interior electrode fixed head, the interior electrode; Described transparent spacer layer is positioned at the lower surface of external electrode, between external electrode and the glass sheet, be respectively arranged with the external electrode O-ring seal for sealing between external electrode and the transparent spacer layer, is provided with packing washer between described transparent spacer layer and the holder; Also be provided be used to the through hole that holds interior electrode fixed head on described fixed head and the installing plate.
The utility model has significant technique effect owing to adopted above technical scheme:
On the basis of the ring-type external electrode that keeps existing concentric circles and interior electrode, the outside end face of interior electrode and the inner side end of external electrode are from top to bottom the gradually inboard truncated cone-shaped of shrinking of inside electrode, electrode has less axial distance and larger radial distance, external electrode and interior electrode are flat truncated cone-shaped at axis direction, effective polar plate area of above-mentioned electrode is larger, distance between the two-plate is less, and electrode constant is less.Adopt above-mentioned electrode shape, can effectively reduce the length of electrode, simultaneously, when making and this electrode is installed, desired making, installation accuracy greatly reduce, and the reliability of technique is higher, has higher using value.Secondly, because the length of electrode is shorter, the reactant that reaction produces can keep comparatively constant reactant concentration at once along with liquid stream leaves electrode surface near electrode, reduced the generation of concentration polarization phenomenon.
Be positioned at the cavity of below, have larger volume, in oxidation reaction process, can make liquid wherein receive more ultraviolet ray, improved the efficient of oxidation reaction.In order to use existing UV-lamp, also can corresponding uviol lamp mounting hole be set at ultraviolet lamp socket and holder sidewall, make things convenient for the installation and removal of UV-lamp.
In addition, in order further to reduce the seal request between quartz burner and the ultraviolet lamp socket, a transparent spacer layer transparent, that can make ultraviolet ray pass through can be set between cavity and flow passage also, flow passage and a part of cavity is isolated.Fluorescent tube does not directly contact with liquid, has avoided the sealing problem at uviol lamp mounting hole place, is convenient for changing fluorescent tube simultaneously yet.Because the liquid in the not direct Fluid Contacting circulation road of fluorescent tube, fluorescent tube does not bear pressure, therefore can design lamp tube shapes arbitrarily and need not to consider the bearing capacity of fluorescent tube, especially, fluorescent tube can be designed to annular, make the shape of fluorescent tube and flow passage agree with mutually, can effectively improve the irradiated area of uviol lamp.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 is the structural representation of embodiment 2 of the present utility model.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail.
The liquid oxidation detecting electrode, as shown in Figure 1, the interior electrode 1 and the external electrode 2 that comprise ring-type, interior electrode 1 and external electrode 2 arrange with one heart, be provided with flow passage 3 between interior electrode 1 and the external electrode 2, the outside end face of described interior electrode 1 and the inner side end of external electrode 2 be gradually inwardly electrode 1 inboard contraction from top to bottom, forms an inverted flat truncated cone-shaped.
Aforesaid liquid oxidation detecting electrode also comprises the cavity 4 that is connected with described flow passage 3, and cavity 4 is positioned at flow passage 3 bottoms, and cavity 4 inside are provided with columniform uviol lamp 5.
Be provided with water inlet 7 and water delivering orifice 7 ' for the testing liquid turnover on the described external electrode 2, water inlet 7 and water delivering orifice 7 ' are connected with flow passage 3 respectively.
Use the electrode assembly that liquid oxidation detecting electrode described above is made, also comprise interior electrode hold-down nut 8, interior electrode fixed head 9, installing plate 10, fixed head 11, glass sheet 12, ultraviolet lamp socket 13, holder 14;
Wherein, holder 14 is fixedly connected with fixed head 11 and consists of a confined space 15, and this confined space is used for holding aforesaid liquid oxidation detecting electrode, and installing plate 10 is covered in the upper surface of fixed head 11 and is fixedly connected with fixed head 11; Ultraviolet lamp socket 13 is positioned at confined space 15 inside, and the lower surface of ultraviolet lamp socket 13 is fixedly connected with holder 14, and described cavity 4 is positioned at ultraviolet lamp socket 13 inside; Glass sheet 12 is positioned at the top of ultraviolet lamp socket 13, the upper surface of glass sheet 12 is connected with the lower surface of interior electrode fixed head 9, the lower surface of glass sheet 12 is connected with the upper surface of interior electrode 1, be provided with the electrode sealing circle 16 for sealing between glass sheet 12 and the interior electrode 1, be fixedly connected with by interior electrode hold-down nut 8 between glass sheet 12, interior electrode fixed head 9, the interior electrode 1; Described external electrode 2 is between glass sheet 12 and ultraviolet lamp socket 13, between external electrode 2 and the glass sheet 12, be respectively arranged with the external electrode O-ring seal 17 for sealing between external electrode 2 and the ultraviolet lamp socket 13; Also be provided be used to the through hole 18 that holds interior electrode fixed head 9 on described fixed head 11 and the installing plate 10.
In order to load and unload uviol lamp 5, be provided be used to the uviol lamp mounting hole 19 that holds uviol lamp 5 on described ultraviolet lamp socket 13 and holder 14 sidewalls, uviol lamp 5 can be inserted uviol lamp mounting hole 19 during use.
The liquid oxidation detecting electrode, as shown in Figure 2, the interior electrode 1 and the external electrode 2 that comprise ring-type, interior electrode 1 and external electrode 2 arrange with one heart, be provided with flow passage 3 between interior electrode 1 and the external electrode 2, the outside end face of described interior electrode 1 and the inner side end of external electrode 2 be gradually inwardly electrode 1 inboard contraction from top to bottom, forms an inverted flat truncated cone-shaped.
Aforesaid liquid oxidation detecting electrode also comprises cavity 4, cavity 4 is positioned at flow passage 3 bottoms, cavity 4 inside are provided with uviol lamp 5, the fluorescent tube of uviol lamp 5 is annular, the shape of uviol lamp 5 fluorescent tubes is agreed with mutually with the shape of flow passage 3, ultraviolet lamp tube 5 and flow passage 3 parallel placements, the assurance ultraviolet ray is shone fully to liquid in the flow passage 3.
Be provided with the transparent spacer layer 6 for isolation between described cavity 4 and the flow passage 3.This transparent spacer layer 6 is isolated with uviol lamp 5 and flow passage 3, bears the irradiation of uviol lamp 5 and the cavity 4 of oxidation reaction in the lower space formation of flow passage 3.At this moment, the liquid in the flow passage 3 and uviol lamp 5 are isolated fully.
Be provided with water inlet 7 and water delivering orifice 7 ' for the testing liquid turnover on the described external electrode 2, water inlet 7 and water delivering orifice 7 ' are connected with flow passage 3 respectively.
Use the electrode assembly that aforesaid liquid oxidation detecting electrode is made, also comprise interior electrode hold-down nut 8, interior electrode fixed head 9, installing plate 10, fixed head 11, glass sheet 12, holder 14;
Wherein, holder 14 is fixedly connected with fixed head 11 and consists of a confined space 15 that is used for holding aforesaid liquid oxidation detecting electrode, and installing plate 10 is covered in the upper surface of fixed head 11 and is fixedly connected with fixed head 11; Described glass sheet 12 is positioned at fixed head 11 belows, the upper surface of glass sheet 12 is connected with the lower surface of interior electrode fixed head 9, the lower surface of glass sheet 12 is connected with the upper surface of interior electrode 1, be provided with the electrode sealing circle 16 for sealing between glass sheet 12 and the interior electrode 1, be fixedly connected with by interior electrode hold-down nut 8 between glass sheet 12, interior electrode fixed head 9, the interior electrode 1; Described transparent spacer layer 6 is positioned at the lower surface of external electrode 2, between external electrode 2 and the glass sheet 12, be respectively arranged with the external electrode O-ring seal 17 for sealing between external electrode 2 and the transparent spacer layer 6, be provided with packing washer 20 between described transparent spacer layer 6 and the holder 14, space between transparent spacer layer 6 and the holder 14 is cavity 4, described uviol lamp 5 is placed on cavity 4 inside, described holder 14 is comprised of two parts up and down, can realize easily replacing to uviol lamp 5 fluorescent tubes by dismounting holder 14.Also be provided be used to the through hole 18 that holds interior electrode fixed head 9 on described fixed head 11 and the installing plate 10.
In a word, the above only is preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (8)
1. liquid oxidation detecting electrode, the interior electrode (1) and the external electrode (2) that comprise ring-type, be provided with flow passage (3) between interior electrode (1) and the external electrode (2), it is characterized in that the inner side end of the outside end face of described interior electrode (1) and external electrode (2) shrinks gradually from top to bottom.
2. liquid oxidation detecting electrode according to claim 1 is characterized in that, also comprises the cavity (4) that is connected with described flow passage (3), and cavity (4) is positioned at flow passage (3) bottom, and cavity (4) inside is provided with uviol lamp (5).
3. liquid oxidation detecting electrode according to claim 2 is characterized in that, is provided with the transparent spacer layer (6) for isolation between described cavity (4) and the flow passage (3).
4. liquid oxidation detecting electrode according to claim 2 is characterized in that, described uviol lamp (5) fluorescent tube ringwise or cylindrical.
5. liquid oxidation detecting electrode according to claim 1 is characterized in that, is provided with water inlet (7) and water delivering orifice (7 ') on the described external electrode (2), and water inlet (7) and water delivering orifice (7 ') are connected with flow passage (3) respectively.
6. the liquid oxidation pick-up unit made of arbitrary described liquid oxidation detecting electrode according to claim 1-5, it is characterized in that, also comprise interior electrode hold-down nut (8), interior electrode fixed head (9), installing plate (10), fixed head (11), glass sheet (12), ultraviolet lamp socket (13), holder (14); Wherein, holder (14) is fixedly connected with fixed head (11) and consists of a confined space (15), and installing plate (10) is covered in the upper surface of fixed head (11) and is fixedly connected with fixed head (11); Ultraviolet lamp socket (13) is positioned at confined space (15) inside, and the lower surface of ultraviolet lamp socket (13) is fixedly connected with holder (14), and described cavity (4) is positioned at ultraviolet lamp socket (13) inside; Glass sheet (12) is positioned at the top of ultraviolet lamp socket (13), the upper surface of glass sheet (12) is connected with the lower surface of interior electrode fixed head (9), the lower surface of glass sheet (12) is connected with the upper surface of interior electrode (1), be provided with the electrode sealing circle (16) for sealing between glass sheet (12) and the interior electrode (1), be fixedly connected with by interior electrode hold-down nut (8) between glass sheet (12), interior electrode fixed head (9), the interior electrode (1); Described external electrode (2) is positioned between glass sheet (12) and the ultraviolet lamp socket (13), between external electrode (2) and the glass sheet (12), be respectively arranged with the external electrode O-ring seal (17) for sealing between external electrode (2) and the ultraviolet lamp socket (13); Also be provided be used to the through hole (18) that holds interior electrode fixed head (9) on described fixed head (11) and the installing plate (10).
7. liquid oxidation pick-up unit according to claim 6 is characterized in that, is provided be used to the uviol lamp mounting hole (19) that holds uviol lamp (5) on described ultraviolet lamp socket (13) and holder (14) sidewall.
8. the liquid oxidation pick-up unit made of arbitrary described liquid oxidation detecting electrode according to claim 1-5, it is characterized in that, also comprise interior electrode hold-down nut (8), interior electrode fixed head (9), installing plate (10), fixed head (11), glass sheet (12), holder (14); Wherein, holder (14) is fixedly connected with fixed head (11) and consists of a confined space (15), and installing plate (10) is covered in the upper surface of fixed head (11) and is fixedly connected with fixed head (11); Described glass sheet (12) is positioned at fixed head (11) below, the upper surface of glass sheet (12) is connected with the lower surface of interior electrode fixed head (9), the lower surface of glass sheet (12) is connected with the upper surface of interior electrode (1), be provided with the electrode sealing circle (16) for sealing between glass sheet (12) and the interior electrode (1), be fixedly connected with by interior electrode hold-down nut (8) between glass sheet (12), interior electrode fixed head (9), the interior electrode (1); Described transparent spacer layer (6) is positioned at the lower surface of external electrode (2), between external electrode (2) and the glass sheet (12), be respectively arranged with the external electrode O-ring seal (17) for sealing between external electrode (2) and the transparent spacer layer (6), be provided with packing washer (20) between described transparent spacer layer (6) and the holder (14); Also be provided be used to the through hole (18) that holds interior electrode fixed head (9) on described fixed head (11) and the installing plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220487236.9U CN202886314U (en) | 2012-09-24 | 2012-09-24 | Liquid oxidization detection electrode and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220487236.9U CN202886314U (en) | 2012-09-24 | 2012-09-24 | Liquid oxidization detection electrode and device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202886314U true CN202886314U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220487236.9U Expired - Lifetime CN202886314U (en) | 2012-09-24 | 2012-09-24 | Liquid oxidization detection electrode and device thereof |
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| Country | Link |
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| CN (1) | CN202886314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901753A (en) * | 2012-09-24 | 2013-01-30 | 杭州泰林生物技术设备有限公司 | Liquid oxidation detection electrode and equipment thereof |
| CN104459261A (en) * | 2014-12-26 | 2015-03-25 | 福建师范大学 | Liquid conductivity measurement electrode with miniature water pump |
-
2012
- 2012-09-24 CN CN201220487236.9U patent/CN202886314U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901753A (en) * | 2012-09-24 | 2013-01-30 | 杭州泰林生物技术设备有限公司 | Liquid oxidation detection electrode and equipment thereof |
| CN104459261A (en) * | 2014-12-26 | 2015-03-25 | 福建师范大学 | Liquid conductivity measurement electrode with miniature water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG WUXING GUOTAI LAW FIRM Free format text: FORMER NAME: HANGZHOU TAILIN BIOTECHNOLOGY EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 310052 Binjiang District, Zhejiang, South Ring Road, No. 2930, No. Patentee after: Zhejiang five star Cathay Pacific Law Firm Address before: 310052, No. 2930, South Ring Road, Hangzhou, Zhejiang, Hangzhou, Binjiang District Patentee before: Hangzhou Tailin Bioengineering Equipments Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 310052 Binjiang District, Zhejiang, South Ring Road, No. 2930, No. Patentee after: ZHEJIANG TAILIN BIOENGINEERING Co.,Ltd. Address before: 310052, No. 2930, South Ring Road, Hangzhou, Zhejiang, Hangzhou, Binjiang District Patentee before: Hangzhou Tailin Bioengineering Equipments Co.,Ltd. |
|
| CU03 | Publication of corrected utility model |
Correction item: Patentee|Address Correct: Hangzhou Tailin Bioengineering Equipments Co.,Ltd.|310052 Binjiang District, Zhejiang, South Ring Road, No. 2930, No. False: Zhejiang five star Cathay Pacific Law Firm|310052 Binjiang District, Zhejiang, South Ring Road, No. 2930, No. Number: 35 Volume: 31 |
|
| ERR | Gazette correction | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |