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CN107091912A - A kind of flow cell measured based on high impurity high microsteping waste water in-line meter - Google Patents

A kind of flow cell measured based on high impurity high microsteping waste water in-line meter Download PDF

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Publication number
CN107091912A
CN107091912A CN201710330962.7A CN201710330962A CN107091912A CN 107091912 A CN107091912 A CN 107091912A CN 201710330962 A CN201710330962 A CN 201710330962A CN 107091912 A CN107091912 A CN 107091912A
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China
Prior art keywords
waste water
main body
container main
flow cell
line
Prior art date
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CN201710330962.7A
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Chinese (zh)
Inventor
李洁兰
胡宗宝
梁云
汤金花
李悦锴
方少伟
袁延峰
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Guangzhou Development Xintang Water Co Ltd
Guangzhou Development Group Inc
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Guangzhou Development Xintang Water Co Ltd
Guangzhou Development Group Inc
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Application filed by Guangzhou Development Xintang Water Co Ltd, Guangzhou Development Group Inc filed Critical Guangzhou Development Xintang Water Co Ltd
Priority to CN201710330962.7A priority Critical patent/CN107091912A/en
Publication of CN107091912A publication Critical patent/CN107091912A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a kind of flow cell measured based on high impurity high microsteping waste water in-line meter, including support, the support is provided with waste water container main body, the bottom of the waste water container main body is provided with water inlet, top is provided with delivery port, inlet valve of the water inlet by pipeline and on pipeline is connected to the waste water collection device of outside, the on-line instrumentation for the water quality parameter for being used to measure waste water is provided with the waste water container main body, the bottom of the waste water container main body is provided with sewage draining exit, and the sewage draining exit is connected to pipeline and sewage draining valve.The present invention installs in-line meter by the way of flow cell, solves the problem of severe situation of mounting condition can not install instrument.

Description

A kind of flow cell measured based on high impurity high microsteping waste water in-line meter
Technical field
The high online instrument of impurity high microsteping waste water is based on the invention belongs to waste water quality field of measuring technique, more particularly to one kind The flow cell of table measurement.
Background technology
Along with the continuous progress of society, industrial continues to develop, and environmental pollution is on the rise, particularly to water resource Pollution.Tellurian water resource is very limited, and in order to more rationally effectively utilize water resource, purification of water quality enterprise is in joyful To flourish situation, for significantly more efficient monitoring and control sewage disposal quality, installation, the measurement of in-line meter seem more outstanding To be important.And for the in-line meter of the sewage containing high impurity high microsteping measurement annoying always field instrument use and Attendant, the selection of instrument installation site and mounting means have been largely fixed the measurement accuracy of instrument, promptness.
Specifically, sewage is mainly the collecting pit that sewage treatment plant is transported to by way of irrigation canals and ditches or pumping, for Most purification of water quality factories is to need to carry out water quality monitoring to the sewage of full factory, for example:PH, turbidity, conductance, dissolved oxygen etc..
The installation of in-line meter mounting means conventional at present is mounting means of immersion and duct type etc., specifically such as Under:
The mounting means of wherein sunk be usually used in measured medium liquid level change less or constant liquid level situation, but For liquid level as operating condition changes and the deeper Chi Zhongshi of water, the deep place that the support of probe must be installed (is installed too Shallow, after liquid level is low, easily cause probe hanging), if position chooses improper, it is of long duration after be just in the dead angle of deposition, visit Head just may be flooded by silt, no actual measurement meaning.
The mounting means of flow type and pipeline (storage tank) is usually used in that impurities in water is few, the medium with suitable flow velocity.Such as Easily the space circulated in pipeline is blocked when fruit impurity is more, measured medium can not pass through immediately, and surveying data can not be truly anti- Actual conditions are reflected, when situation is serious, probe can be also damaged.In addition, being unable to flow velocity in control pipeline can also have to the data of measurement Influence.
Because the line gage requirement installed during PROCESS FOR TREATMENT of sewage is different, accordingly can also exist following Problem:
When sewage flows into wastewater collection pond by way of irrigation canals and ditches gravity flow, the installation of in-line meter is considered as liquid level height in pond Low change;Further, since being influenceed by sewage self-flowing mode, the water inlet of this collecting pit can be relatively deep, therefore collecting pit also can be relatively deep, There can be very big difficulty to installing in-line meter at water inlet, it is clear that the mounting means (immersion) of conventional in-line meter is uncomfortable Close such case.
In the case of pipeline pump conveying sewage, there is also Railway Project, one for installation in-line meter directly on pipeline It is that the value of measurement can have an impact, directly on pipeline because in-line meter is required to the flow velocity of measured medium Instrument, velocity of medium is uncontrollable;Two be that running status of the instrument when safeguarding by pump is influenceed, only when pump stops It can be safeguarded and need to carry out safety measure;It is delivered directly to by pump in channel, water velocity is big, it is larger miscellaneous in water Matter has certain active force collision probe, or due to the impact of water, allows probe to strike on surrounding devices, causes probe to damage It is bad.
Therefore above-mentioned urgent need the problem of run on sewage in-line meter measurement will be resolved.
Existing number of patent application 201510099579.6, it discloses a kind of papermaking wastewater and reclaims monitoring system, including:It is useless The wastewater produced wastewater collection pond of each processing step in water set collecting pit, waste water conveyance conduit and papermaking process; Multiple wastewater collection ponds are sequentially connected to waste water delivery pipe, and are connected with the water inlet of waste water set collecting pit, and multiple waste water are received The first wastewater collection pond in collection pond is connected to down the second wastewater collection pond of one of processing step by reuse pump;It is useless first Water collecting pit is connected back to sets grid with the waste water delivery outlet of pump;Water quality detecting device is set in waste water set collecting pit, with And the adjuster and biochemical processor of regulating water quality concentration;The delivery port connection wastewater collection of waste water set collecting pit Pond;In the delivery port, control valve is set.The waste water of wastewater collection pond is specially incorporated into waste water set collecting pit by the patent Detected by water quality detecting device, be to solve existing water quality detecting device in asking that detection waste water habitually in the past runs into a certain extent Topic, but it is only for paper waste, and paper waste can carry out decontamination processing in waste water set collecting pit, and for Its some impurity of the waste water of high impurity high microsteping can not carry out decontamination conversion, and it can be deposited in bottom of pond portion, can only be from bottom of pond Portion drains, therefore the structure disclosed in existing patent is difficult to be handled, therefore said apparatus also needs to be improved.
The content of the invention
In order to solve the problem of prior art is present, the high online instrument of impurity high microsteping waste water is based on the invention provides one kind The flow cell of table measurement, it installs in-line meter by the way of flow cell, and solving the severe situation of mounting condition can not pacify The problem of filling instrument.
The technical solution adopted by the present invention is as follows:
A kind of flow cell measured based on high impurity high microsteping waste water in-line meter, including support, the support are provided with Waste water container main body, the bottom of the waste water container main body is provided with water inlet, and top is provided with delivery port, and the water inlet passes through pipe Road and the inlet valve on pipeline, which are connected in the waste water collection device of outside, the waste water container main body to be provided with, to be used to survey The on-line instrumentation of the water quality parameter of waste water is measured, the bottom of the waste water container main body is provided with sewage draining exit, and the sewage draining exit connects Pipeline and sewage draining valve are connect.
In the present invention, outside sewage is introduced into pond by special setting flow cell carries out online water quality monitoring, so both may be used Effectively to solve to install the problem of in-line meter is difficult in the deeper collecting pit of sewage, can also solve to be arranged on effluent flow rate compared with The flimsy problem of in-line meter of fast pipeline, while sewage draining exit is provided with the bottom of waste water container main body, due in water Impurity and fiber are higher, when water enters flow cell, during the flowing up slowly of bottom, fiber or impurity due to Can be slowly in the presence of gravity precipitate, so when process that water flows through flow cell can be for some time precipitation Journey, to reduce the influence of impurity and fiber to probe.When deposits are in flow cell bottom, bottom blow-down mouthful can be opened Sewage draining valve on pipeline, deposit can by the recessed sewage draining exit in bottom by the water pressure of gravity and flow cell by deposit Discharge, it is convenient and simple.
In addition, water inlet, the set-up mode one of delivery port are to allow water to enter top from bottom to go out ensure that water is in the present invention By bottom, the top overflow that rises to slowly is gone out, and can ensure measured data authenticity from water flow direction;Two be this Design method can ensure to be not in flow the water emptying in pond when intaking and interrupting, for that vacantly aerial can not visit Head, such as PH meter (the used time must not be soaked in water PH meters yet, otherwise influence service life), can play the work of protection probe With.
Further, in addition to the baffle plate in waste water container main body, the baffle plate faces water inlet, for stopping The water column impact that water inlet is passed through.
In the present invention, because the water of water inlet has certain hydraulic pressure, the waste water collection device of the outside particularly connected Be from exit of pump pipeline it is enterprising enter water, its hydraulic pressure can be bigger, therefore installs a plate washer in bottom water inlet, can shorten into The percussion of mouth of a river water column, the impact of water column easily mixes the impurity fiber for being deposited on bottom turbid, it is ensured that water inlet has normal The process of circulation, to protect the use of probe.
Further, the waste water collection device includes wastewater collection pond and pipeline pump delivery line, the wastewater collection Pond is used to collect the waste water that irrigation canals and ditches gravity flow mode is flowed into, and the pipeline pump delivery line pumps waste water by the pump housing in pipeline.
Circulation pool technology of the present invention can be used for independent measurement conduit wastewater water quality, can be used for measurement Wastewater collection pond sewage quality, this technology is useful in the complicated situation of in-line meter mounting condition, can use this external The method of sampling, individually creates in-line meter mounting condition.
Further, the on-line instrumentation is included in PH heads vertically-mounted in waste water container main body and is transversely mounted Transmissometer surveymeter, and they are connected by probe wire with the digital displaying meter outside the waste water container main body respectively.
On-line instrumentation of the present invention is configured according to the water quality parameter for being actually subjected to measurement, such as PH heads, and this The installation of a little on-line instrumentations can be using vertically and laterally two kinds of mounting means.Spiral shell can be used when vertically-mounted on support The fixed surveymeter of set;When being transversely mounted, then it may pass through support and fixed by the way of screw locking.
Further, the caliber of the delivery port is not less than the caliber of water inlet.
In the present invention, delivery port caliber must assure that not less than water inlet caliber, can also set big, as long as ensureing stream The water in logical pond will not cover delivery port and the flow cell that overfills.
Further, it is stamped case lid in the waste water container main body.
Further, the installing space that effective circulation volume of the waste water container main body is adapted to according to on-line instrumentation Determine, and the waste water currency being passed through is associated therewith, both meet formulaWherein V is represented Effective circulation volume of waste water container main body;A represents the length of waste water container main body;B represents the width of waste water container main body;C is represented The effective depth of waste water container main body, i.e., the distance from water inlet to delivery port;M represents the caliber of water inlet;V represents water inlet The flow velocity of water inlet;T represents the time that waste water passes through in waste water container main body.
Further, the length a of waste water container main body is according to needing on-line instrumentation to be mounted in waste water container main body Quantity determine that and minimum length is no less than 50cm.
Further, the effective depth c of waste water container main body is determined according to the installation measurement position of on-line instrumentation, and Minimum constructive height is no less than 40cm.
Further, flow control of the waste water in waste water container main body is in 0~2 meter per second, the in-line meter dress Surveyed real time data time requirement satisfaction is put within 30 seconds, the requirement of measured medium online data measurement can be reflected in real time by reaching And to the flow rates demand of instrument measurement.The time T that waste water passes through in waste water container main body can be calculated, due to probe Bottom in flow cell is placed on, the depth in flow cell can be arranged on according to probe, when can calculate waste water and flowing through probe Time, to reflect the real-time of instrument measurement data.
Compared with prior art, the device have the advantages that:
The 1st, in-line meter is installed by the way of flow cell, instrument can not be installed by solving the severe situation of mounting condition Problem, simple installation method is become in the case of there is installation difficulty, has both facilitated the periodic maintenance of instrument to also improve instrument The performance of table.Such a installation method is in terms of practicality, secure context and economic aspect all improve a lot, and is a kind of value The sewage in-line meter flow cell for the high impurity high microsteping that must be promoted.
2nd, the setting of circulation pool size ensure that flow time of the water in flow cell, meet the requirement of measurement;
3rd, water inlet sets baffle plate effectively to protect the use of on-line instrumentation, it is ensured that the accuracy of detection data;
4th, on-line instrumentation regular working is also very convenient, as long as being just convenient to operation by flow cell, is not used in pond It is upper to be operated, that is, facilitate and safety.
Brief description of the drawings
Fig. 1:The structural representation one of the embodiment of the present invention;
Fig. 2:The structural representation two of the embodiment of the present invention;
Fig. 3:The structural representation three of the embodiment of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment:
As shown in Figure 1, Figure 2 and Figure 3, a kind of flow cell measured based on high impurity high microsteping waste water in-line meter, including Support 1, the support is provided with waste water container main body 2, and the bottom of the main body of waste water container 2 is provided with water inlet 3, and top is provided with Delivery port 4, inlet valve 11 of the water inlet 3 by pipeline and on pipeline is connected to the waste water collection device of outside, The on-line instrumentation 8 for the water quality parameter for being used to measure waste water, the waste water container main body are provided with the waste water container main body 2 2 bottom is provided with sewage draining exit 9, and the sewage draining exit 9 is connected to pipeline and sewage draining valve 12.
Also include the baffle plate 7 in waste water container main body, the baffle plate 7 faces water inlet 3, for stopping water inlet The water column impact being passed through.
The waste water collection device includes wastewater collection pond 5 and pipeline pump delivery line 6, and the wastewater collection pond 5 is used for The waste water that irrigation canals and ditches gravity flow mode is flowed into is collected, the pipeline pump delivery line 6 pumps waste water by the pump housing in pipeline.
The on-line instrumentation is included in (the waste water container master in Fig. 1 of vertically-mounted PH probes in waste water container main body 2 Left side in vivo) and the transmissometer surveymeter (in Fig. 1 waste water container main body in right side) that is transversely mounted, and they pass through pop one's head in respectively Line is connected with the digital displaying meter outside waste water container main body, and such probe wire passes through flow cell by side, then described Case lid 10 is stamped in waste water container main body 2, it is a chest from the appearance to make flow cell, is mutually melted well with surrounding environment.
The caliber of the delivery port 4 is more than the caliber of water inlet 3.
The present embodiment is under above-mentioned basic framework, and the size for flow cell sets as follows:
What the installing space that effective circulation volume of the waste water container main body is adapted to according to on-line instrumentation was determined, this Embodiment is set to cuboid, and the waste water currency being passed through is related to the volume of waste water container main body, and both meet FormulaWherein V represents that (unit is m for effective circulation volume of waste water container main body3);A represents useless The length of water receptacle main body (unit is rice);B represents the width of waste water container main body (unit is m);C represents having for waste water container main body Effect height, i.e., the distance from water inlet to delivery port (unit is m);M represents the caliber of water inlet (unit is m);V represents water inlet The flow velocity of mouth water inlet (unit is m/s);T represents the time that waste water passes through in waste water container main body (unit is s).
Time of flow T in flow cell is mainly the caliber n of the caliber m for having water inlet, delivery port, water inlet flow velocity v and What tetra- parameters of effective circulation volume V of flow cell were determined.The caliber of water inlet is less than delivery port caliber, to ensure in flow cell Water can timely discharge.
Therefore the present embodiment is according to impurities in water and is easily installed in the specific actual conditions that line meter probe is installed, by Fig. 1 Circulation pool size is manufactured, material is 304 stainless steels.
Specifically, the size V of flow cell is that the installing space being dimensioned for according to meter probe is determined, such as PH is visited Head, its length is 20cm, fixes its screw position in the position of the 7cm at the top of flow cell, at this moment the height of flow cell can To be determined by 40cm, the signal cable that support can be fixed at the top of flow cell top 15cm position, probe also has enough Curvature of space draws flow cell from flow cell side, and there is 12cm probe bottom away from flow cell bottom, probe can be allowed to have suitably Measurement position.The present embodiment sets waste water container principal length 50cm according to the on-line instrumentation quantity of installation and position, high 40cm is spent, width 20cm can effectively meet measurement request.
The concrete application of the present embodiment:In the case of practice, the waste water quality of pipeline pump delivery line is such as measured, Its waste water is flowed into flow cell by opening inlet valve.By sampling (probe tube caliber has determined that) in pump discharge main pipe, The flow velocity of probe tube can be determined by the volume for determining the outflow water within the regular hour, measured by survey calculation into water The flow velocity of mouth is 0.56 meter per second.Further according to the volume of flow cell, it is 76 that can calculate as the time required for import to outlet Second, further according to probe actual size can calculate waste water flow through probe time be 17 seconds, much smaller than 30 seconds, Neng Gouda To the requirement of instrument measurement real-time, use requirement is met.
For those skilled in the art, technical scheme that can be as described above and design, make other each It is kind corresponding to change and deform, and all these change and deformation should all belong to the protection model of the claims in the present invention Within enclosing.

Claims (10)

1. a kind of flow cell measured based on high impurity high microsteping waste water in-line meter, it is characterised in that including support, the branch Frame is provided with waste water container main body, and the bottom of the waste water container main body is provided with water inlet, and top is provided with delivery port, the water inlet Inlet valve of the mouth by pipeline and on pipeline is connected in the waste water collection device of outside, the waste water container main body and set There is the on-line instrumentation for measuring the water quality parameter of waste water, the bottom of the waste water container main body is provided with sewage draining exit, described Sewage draining exit is connected to pipeline and sewage draining valve.
2. the flow cell according to claim 1 measured based on high impurity high microsteping waste water in-line meter, it is characterised in that Also include the baffle plate in waste water container main body, the baffle plate faces water inlet, for stopping the water column that water inlet is passed through Impact.
3. the flow cell according to claim 1 measured based on high impurity high microsteping waste water in-line meter, it is characterised in that The waste water collection device includes wastewater collection pond and pipeline pump delivery line, and the wastewater collection pond is used to collect irrigation canals and ditches gravity flow The waste water that mode is flowed into, the pipeline pump delivery line pumps waste water by the pump housing in pipeline.
4. the flow cell according to claim 1 measured based on high impurity high microsteping waste water in-line meter, it is characterised in that The on-line instrumentation is included in the transmissometer surveymeter that PH vertically-mounted in waste water container main body is popped one's head in and is transversely mounted, And they are connected by probe wire with the digital displaying meter outside waste water container main body respectively.
5. the flow cell according to claim 1 measured based on high impurity high microsteping waste water in-line meter, it is characterised in that The caliber of the delivery port is not less than the caliber of water inlet.
6. the flow cell according to claim 1 measured based on high impurity high microsteping waste water in-line meter, it is characterised in that Case lid is stamped in the waste water container main body.
7. the flow cell according to claim 1 measured based on high impurity high microsteping waste water in-line meter, it is characterised in that What the installing space that effective circulation volume of the waste water container main body is adapted to according to on-line instrumentation was determined, and be passed through it is useless The water currency is associated therewith, and both meet formulaWherein V represents the effective of waste water container main body Circulate volume;A represents the length of waste water container main body;B represents the width of waste water container main body;C represents the effective of waste water container main body Highly, i.e., the distance from water inlet to delivery port;M represents the caliber of water inlet;V represents the flow velocity of water inlet water inlet;T represents useless The time that water passes through in waste water container main body.
8. the flow cell according to claim 7 measured based on high impurity high microsteping waste water in-line meter, it is characterised in that The length a of the waste water container main body determines according to the quantity of on-line instrumentation to be mounted is needed in waste water container main body, And minimum length is no less than 50cm.
9. the flow cell according to claim 7 measured based on high impurity high microsteping waste water in-line meter, it is characterised in that The effective depth c of the waste water container main body is determined according to the installation measurement position of on-line instrumentation, and minimum constructive height is many In 40cm.
10. the flow cell according to claim 7 measured based on high impurity high microsteping waste water in-line meter, its feature is existed In flow control of the waste water in waste water container main body surveys real time data in 0~2 meter per second, the on-line instrumentation Within time requirement is met 30 seconds.
CN201710330962.7A 2017-05-11 2017-05-11 A kind of flow cell measured based on high impurity high microsteping waste water in-line meter Pending CN107091912A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114076817A (en) * 2020-08-18 2022-02-22 伟泰科技(无锡)有限公司 Detection apparatus for concentrate sample

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Application publication date: 20170825