CN209690161U - A kind of portable COD rapid determination device - Google Patents
A kind of portable COD rapid determination device Download PDFInfo
- Publication number
- CN209690161U CN209690161U CN201920320754.3U CN201920320754U CN209690161U CN 209690161 U CN209690161 U CN 209690161U CN 201920320754 U CN201920320754 U CN 201920320754U CN 209690161 U CN209690161 U CN 209690161U
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- CN
- China
- Prior art keywords
- right end
- sampling cup
- connector
- peristaltic pump
- absorption cell
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Abstract
The utility model discloses a kind of portable COD rapid determination devices, including strainer, peristaltic pump, liquid level detector, sampling cup, controller, ultra violet light emitter, photoelectric sensor, absorption cell and control valve, the strainer right end is fixedly connected with peristaltic pump left end by conduit, the peristaltic pump right end is fixedly connected with sampling cup bottom, the sampling cup bottom is provided with liquid level detector, the sampling cup right end is provided with controller, top connects at the top of the sampling cup bottom and absorption cell, the absorption cell right end is provided with ultra violet light emitter, the absorption cell right end is provided with photoelectric sensor, the ultraviolet signal of irradiation is converted into electric signal transmission to controller by photoelectric sensor, controller calculates water sample COD concentration according to electric signal, after test, control valve is opened, water sample is emptied, reach live quickly to survey Determine water sample COD, the effect of COD analysis efficiency and accuracy is improved while using manpower and material resources sparingly.
Description
Technical field
The utility model relates to COD rapid determination device technical fields, and in particular to a kind of portable COD quickly measures dress
It sets.
Background technique
COD is the amount for chemically measuring the reducing substances for needing to be oxidized in water sample, and waste water, waste water treatment plant go out
In water and contaminated water, the oxygen equivalent for the substance (generally organic matter) that can be aoxidized by strong oxidizer, in river pollution and work
In the research of industry wastewater property and the operational management of waste water treatment plant, it is one important and can comparatively fast measure organic
Object pollution parameters, COD rapid determination device are the devices for rapid survey Organic substance in water pollution parameters, and COD is quickly measured
Device, which is usually first acquired after water sample, to be brought back laboratory and measures, a kind of bothersome laborious, portable COD rapid determination device
Technological improvement is obtained, but water sample COD measurement in prior art scene is slow, and strainer fixed effect and filter effect are bad, COD
Analysis inaccuracy, spends human and material resources.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of portable COD rapid determination device solves live water sample
COD measurement is slow, and strainer fixed effect and filter effect are bad, COD analysis inaccuracy, the problem of spending human and material resources, thus
Reach and quickly measure live water sample COD, COD analysis efficiency effect is improved while using manpower and material resources sparingly.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of portable COD quickly to measure
Device, including strainer, peristaltic pump, liquid level detector, sampling cup, controller, ultra violet light emitter, photoelectric sensor, absorption cell
And control valve, the strainer right end are fixedly connected with peristaltic pump left end by conduit, the peristaltic pump right end and sampling cup bottom
It is fixedly connected, the sampling cup bottom is provided with liquid level detector, and the sampling cup right end is provided with controller, the sampling cup
Top connects at the top of bottom and absorption cell, and the absorption cell right end is provided with ultra violet light emitter, and the absorption cell right end is provided with
It is fixedly connected at the top of photoelectric sensor, the absorption bottom of pond portion and control valve, the strainer is by shell, low efficient filter screen, biochemistry
Cotton, non-woven fabrics filter cotton, top cover, connector, convex block and transcapsidation composition, the interior of shell is provided with low efficient filter screen, described
It is flexibly connected at the top of low efficient filter screen with biochemical cotton bottom, is flexibly connected at the top of the biochemistry cotton with non-woven fabrics filter cotton bottom,
The cap base and cover top portion are rotatablely connected, and are provided with connector, the connector outer surface of cupular part at the top of the top cover
It is provided with convex block, the transcapsidation inner surface and connector bottom outer surface are rotatablely connected, and the connector is by conduit and wriggles
Pump left end be fixedly connected, the peristaltic pump, liquid level detector, ultra violet light emitter, photoelectric sensor and control valve with control
Device electrical connection.
Further, the outer casing bottom is provided with evenly distributed through-hole, and the shape of through-hole is rounded.
Further, the cover top portion outer surface and connector bottom outer surface are provided with evenly distributed outer spiral shell
Line.
Further, the cap base inner surface and transcapsidation inner surface are provided with evenly distributed internal screw thread.
Further, the cover top portion size is mutually matched with cap base size.
Further, the transcapsidation inner surface is 0-360 degree along the angle that connector bottom outer surface is rotated.
Further, the outer surface of outer cover is provided with the waterproof protective layer that a layer thickness is 1mm.
Further, the top cover material are as follows: stainless steel material.
Further, enclosure material are as follows: high density polyethylene (HDPE) production.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
1), slow to solve scene water sample COD measurement, and strainer fixed effect and filter effect are bad, COD analysis is inaccurate
Really, the problem of spending human and material resources is consolidated by the way that connector and peristaltic pump left end conduit are carried out grafting by rotating transcapsidation
It is fixed, it is filtered silt and impurity through low efficient filter screen, biochemical cotton and non-woven fabrics filter cotton by wriggling pump work extract water sample, it will
Filtered water sample imports in sampling cup, and liquid level detector controls sample volume and enters absorption after water sample takes completely in sampling cup
The ultraviolet signal of irradiation is converted into electric signal transmission to control by Chi Zhong, ultra violet light emitter irradiating ultraviolet light, photoelectric sensor
Device processed, controller calculates water sample COD concentration according to electric signal, and after test, control valve is opened, and water sample is emptied, and reaches existing
Field quickly measures water sample COD, and the effect of COD analysis efficiency and accuracy is improved while using manpower and material resources sparingly.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the strainer configuration schematic diagram of the utility model.
In figure: strainer -1, peristaltic pump -2, liquid level detector -3, sampling cup -4, controller -5, ultra violet light emitter -6, light
Electric transducer -7, absorption cell -8, control valve -9, shell -11, low efficient filter screen -12, biochemical cotton -13, non-woven fabrics filter cotton -14,
Top cover -15, connector -16, convex block -17, transcapsidation -18.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of portable COD rapid determination device: including strainer 1, wriggled
Pump 2, liquid level detector 3, sampling cup 4, controller 5, ultra violet light emitter 6, photoelectric sensor 7, absorption cell 8 and control valve 9, filter
1 right end of net is fixedly connected with 2 left end of peristaltic pump by conduit, and 2 right end of peristaltic pump is fixedly connected with 4 bottom of sampling cup, sampling cup 4
Bottom is provided with liquid level detector 3, and 4 right end of sampling cup is provided with controller 5, the company of top at the top of 4 bottom of sampling cup and absorption cell 8
Connect, 8 right end of absorption cell is provided with ultra violet light emitter 6, and 8 right end of absorption cell is provided with photoelectric sensor 7,8 bottom of absorption cell with
It is fixedly connected at the top of control valve 9, strainer 1 is by shell 11, low efficient filter screen 12, biochemical cotton 13, non-woven fabrics filter cotton 14, top cover
15, connector 16, convex block 17 and transcapsidation 18 form, and shell 11 is internally provided with low efficient filter screen 12,12 top of low efficient filter screen
Be flexibly connected with biochemical 13 bottom of cotton, 13 top of biochemical cotton is flexibly connected with 14 bottom of non-woven fabrics filter cotton, 15 bottom of top cover and
It is rotatablely connected at the top of shell 11, connector 16 is provided at the top of top cover 15,16 outer surface of cupular part of connector is provided with convex block 17, turns
18 inner surface of shell and 16 bottom outer surface of connector are rotatablely connected, and connector 16 is fixedly connected by conduit with 2 left end of peristaltic pump,
Peristaltic pump 2, liquid level detector 3, ultra violet light emitter 6, photoelectric sensor 7 and control valve 9 are electrically connected with controller 5.
Wherein, 11 bottom of shell is provided with evenly distributed through-hole, and the shape of through-hole is rounded, facilitate progress every
Impurity from bulk prevents impurity from entering blocking peristaltic pump 2.
Wherein, 11 outer surface of cupular part of shell and 16 bottom outer surface of connector are provided with evenly distributed outer spiral shell
Line, it is convenient to be fixedly connected by external screw thread.
Wherein, 15 bottom interior surface of top cover and 18 inner surface of transcapsidation are provided with evenly distributed internal screw thread, convenient
Cooperation is carried out with external screw thread to be fixedly connected.
Wherein, the 11 top size of shell is mutually matched with 15 bottom size of top cover, convenient to be fixed by screw thread
Connection.
Wherein, 18 inner surface of transcapsidation is 0-360 degree, side along the angle that 16 bottom outer surface of connector is rotated
Just the external catheter of locking peristaltic pump 2 is moved up along connector 16.
Wherein, 11 outer surface of shell is provided with the waterproof protective layer that a layer thickness is mm, and shell 11 is prevented to be oxidized
Corrosion.
Wherein, 15 material of top cover are as follows: stainless steel material is heat-resisting, high temperature resistant, also low temperature resistant even resistance to ultralow temperature are resistance to
Chemical attack and electrochemical corrosion performance.
Wherein, 11 material of shell are as follows: high density polyethylene (HDPE) production, electrical insulation capability is excellent, the higher cold resistance of hardness
Preferably, heat distortion temperature is low, and wearability, impermeability, hygroscopicity is small, is not required to drying.
Non-woven fabrics filter cotton 14 described in this patent by 100% pure fiber with needle-punching method formed high loft, have
The filter layer of three-dimensional depth, its main feature is that fibr tissue is loose, high voidage increases the pollutant holding capability of impurity, belongs to compound retention mould
Formula can effectively remove solid and soft particle, and biggish granule foreign is trapped within fiber surface, and fine particle is then caught
It catches in filter material deep layer, therefore filter efficiency with higher.
Working principle: being moved to suitable position for the present apparatus first, by by connector 16 and 2 left end conduit of peristaltic pump
Carry out grafting, then carry out rotating transcapsidation 18 counterclockwise, the external screw thread that transcapsidation 18 is set along 16 bottom outer surface of connector to
Upper movement is fixed, and is then put into strainer 1 in the water for the sample that needs to keep forging ahead, and draws water sample by the work of peristaltic pump 2 and was slightly imitated
Strainer 12 carries out the biggish impurity of primary filtration, then is filtered by biochemical cotton 13 to the mud in sample water, finally by non-woven fabrics
Filter cotton 14 retains solid and soft particle, and biggish granule foreign is trapped within fiber surface, and fine particle is then caught
It catches in filter material deep layer, layering silt is carried out to sample water, prevents sand grain from occupying sample water volume, leads to measurement result not
Accurately, while the blocking of peristaltic pump 2 is prevented, filtered water sample is imported in sampling cup 4, the control sampling body of liquid level detector 3
It is long-pending, it after water sample takes completely in sampling cup 4, enters in absorption cell 8,6 irradiating ultraviolet light of ultra violet light emitter, photoelectric sensor 7 will
The ultraviolet signal of irradiation is converted into electric signal transmission to controller 5, and controller 5 calculates water sample COD concentration according to electric signal, surveys
After examination, control valve 9 is opened, and water sample is emptied, reaches fast-field evaluation water sample COD, mentions while using manpower and material resources sparingly
The effect of high COD analysis efficiency and accuracy.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of portable COD rapid determination device, it is characterised in that: including strainer (1), peristaltic pump (2), liquid level detector
(3), sampling cup (4), controller (5), ultra violet light emitter (6), photoelectric sensor (7), absorption cell (8) and control valve (9), institute
It states strainer (1) right end and is fixedly connected with peristaltic pump (2) left end by conduit, peristaltic pump (2) right end and sampling cup (4) bottom
It is fixedly connected, sampling cup (4) bottom is provided with liquid level detector (3), and sampling cup (4) right end is provided with controller
(5), connection is pushed up at the top of sampling cup (4) bottom and absorption cell (8), absorption cell (8) right end is provided with ultraviolet light emission
Device (6), absorption cell (8) right end are provided with photoelectric sensor (7), solid at the top of absorption cell (8) bottom and control valve (9)
Fixed connection, the strainer (1) is by shell (11), low efficient filter screen (12), biochemical cotton (13), non-woven fabrics filter cotton (14), top cover
(15), connector (16), convex block (17) and transcapsidation (18) composition, the shell (11) are internally provided with low efficient filter screen (12),
It is flexibly connected at the top of the low efficient filter screen (12) with biochemical cotton (13) bottom, is filtered at the top of the biochemistry cotton (13) with non-woven fabrics
Cotton (14) bottom is flexibly connected, and is rotatablely connected at the top of top cover (15) bottom and shell (11), is set at the top of the top cover (15)
It is equipped with connector (16), connector (16) outer surface of cupular part is provided with convex block (17), transcapsidation (18) inner surface and company
The rotation connection of connector (16) bottom outer surface, the connector (16) is fixedly connected by conduit with peristaltic pump (2) left end, described
Peristaltic pump (2), liquid level detector (3), ultra violet light emitter (6), photoelectric sensor (7) and control valve (9) with controller (5)
Electrical connection.
2. a kind of portable COD rapid determination device according to claim 1, it is characterised in that: shell (11) bottom
Portion is provided with evenly distributed through-hole, and the shape of through-hole is rounded.
3. a kind of portable COD rapid determination device according to claim 1, it is characterised in that: shell (11) top
Portion outer surface and connector (16) bottom outer surface are provided with evenly distributed external screw thread.
4. a kind of portable COD rapid determination device according to claim 1, it is characterised in that: top cover (15) bottom
Portion's inner surface and transcapsidation (18) inner surface are provided with evenly distributed internal screw thread.
5. a kind of portable COD rapid determination device according to claim 1, it is characterised in that: shell (11) top
Portion's size is mutually matched with top cover (15) bottom size.
6. a kind of portable COD rapid determination device according to claim 1, it is characterised in that: in the transcapsidation (18)
Surface is 0-360 degree along the angle that connector (16) bottom outer surface is rotated.
7. a kind of portable COD rapid determination device according to claim 1, it is characterised in that: the shell (11) is outside
Surface is provided with the waterproof protective layer that a layer thickness is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320754.3U CN209690161U (en) | 2019-03-14 | 2019-03-14 | A kind of portable COD rapid determination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320754.3U CN209690161U (en) | 2019-03-14 | 2019-03-14 | A kind of portable COD rapid determination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209690161U true CN209690161U (en) | 2019-11-26 |
Family
ID=68604742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920320754.3U Expired - Fee Related CN209690161U (en) | 2019-03-14 | 2019-03-14 | A kind of portable COD rapid determination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209690161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784540A (en) * | 2023-02-15 | 2023-03-14 | 西安中科西光航天科技有限公司 | Fine spectrum water quality detection sampling and filtering device |
-
2019
- 2019-03-14 CN CN201920320754.3U patent/CN209690161U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784540A (en) * | 2023-02-15 | 2023-03-14 | 西安中科西光航天科技有限公司 | Fine spectrum water quality detection sampling and filtering device |
| CN115784540B (en) * | 2023-02-15 | 2023-09-26 | 西安中科西光航天科技有限公司 | Fine spectrum water quality detection sampling filter device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20200314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |