CN103674622B - Accumulation corrosion product sampling apparatus - Google Patents
Accumulation corrosion product sampling apparatus Download PDFInfo
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- CN103674622B CN103674622B CN201310672657.8A CN201310672657A CN103674622B CN 103674622 B CN103674622 B CN 103674622B CN 201310672657 A CN201310672657 A CN 201310672657A CN 103674622 B CN103674622 B CN 103674622B
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- corrosion product
- needle valve
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Abstract
The invention discloses accumulation corrosion product sampling apparatus, it comprises: the sample water inlet pipe (1) be connected successively by pipeline, first needle valve (2), metal hose (3), stopcock (4), upsampling filter (5), drain filter (6), automatic steady current shut-off valve (7), flow sensor (8) and flow accumulation controller (9); Be connected with bypass duct between first needle valve (2) and metal hose (3), bypass duct be provided with successively the second needle valve (10) and glass rotameter (11).Accumulation corrosion product sampling apparatus of the present invention, reasonable in design, easy to use, accurately can control fluid flow, Accurate Measurement fluid flow, and by flow accumulation controller integrating total flow, can accept, output signal and realize intelligent remote monitoring, and automatically can stop sampling, robotization, intelligence degree are high, sampling quantity is large, sampling precision is high, and work efficiency is high, has wide range of applications.
Description
Technical field
The present invention designs corrosion product sampling apparatus, is specifically related to the accumulation corrosion product sampling apparatus for therrmodynamic systems such as power station (comprising nuclear power station), petrochemical factory, Industrial Boilers.
Background technology
The control of corrosion and protection are the issue of concern of the field therrmodynamic system run durations such as power station, petrochemical factory, Industrial Boiler.If do not carry out necessary control to corrosion, will decrease of power generation be caused, time serious, will the damage of equipment be caused.
Therrmodynamic system corrosion is controlled, first will implement effectively and accurately to monitor to corrosion condition.Traditional existing corrosion product Sampling techniques, the artificial sample mode that adopts is carried out more.Because adopting artificial sample mode, only can gather sample water a small amount of in therrmodynamic system in short-term at every turn, accumulated samples can not be realized, because sampling quantity is less, sample representativeness is poor, be difficult to carry out comprehensive and accurate monitoring to the corrosion condition of therrmodynamic system, be also difficult to analyze respectively the corrosion product of different shape.Meanwhile, because adopting artificial sample mode, labour intensity is higher, is also difficult to realize real-time sampling.
Therefore, necessary on the basis of prior art, design research and development can gather the medium in therrmodynamic system continuously at arbitrary period, automatic adjustment can be realized to sampling flow, can automatically add up the volume of sampling, adopt filtration and ion exchange technique can catch respectively and enrichment corrosion product that is solid-state in institute's sample water and ionic state, be convenient to the device that subsequent analysis judges.
Summary of the invention
Goal of the invention: the object of the invention is the deficiency in order to solve existing artificial sample, a kind of reasonable in design, easy to use is provided, accurately can control fluid flow, by the accurate measuring flow of flow sensor, and by flow accumulation controller integrating total flow, can accept, output signal and realize intelligent remote monitoring, and after reaching setting total flow terminal, automatically can stop the accumulation corrosion product sampling apparatus of sampling.This sampling apparatus can dismantle upsampling filter easily to load and unload sampling filter disc, is convenient to follow-up mensuration and the analysis of carrying out corrosion product, determines type and the content of corrosion product.Owing to adopting automated manner, sampling quantity is large, and sampling precision is high, and work efficiency is high, has wide range of applications.
Technical scheme: in order to realize above object, the technical scheme that the present invention takes is:
Accumulation corrosion product sampling apparatus, it comprises: the sample water inlet pipe be connected successively by pipeline, the first needle valve, metal hose, stopcock, upsampling filter, drain filter, automatic steady current shut-off valve, tensimeter, flow sensor and flow accumulation controller;
Be connected with bypass duct between the first described needle valve and metal hose, bypass duct is provided with the second needle valve and glass rotameter successively.
Preferably, above-described accumulation corrosion product sampling apparatus, wherein the first needle valve and the second needle valve are angle-style needle valve.
Preferably, above-described accumulation corrosion product sampling apparatus, the pipeline between described automatic steady current shut-off valve and flow sensor is provided with tensimeter, can show the fluid actual pressure by pipeline portions in real time by tensimeter.
Preferably, above-described accumulation corrosion product sampling apparatus, can install filtration membrane and/or ion exchange membrane sheet in described upsampling filter.Described upsampling filter is applicable to the sampling filter disc installing various seizure corrosion product, inside is provided with high precision filter disc pallet, under can ensureing that sampling filter disc is operated in full flow state, and indeformablely not break, and the sampling filter disc (as: filtration membrane and ion exchange membrane sheet) of various seizure corrosion product conveniently can be installed in upsampling filter inside, thus can be applicable to sample targetedly to various accumulation corrosion product.
Preferably, above-described accumulation corrosion product sampling apparatus, described flow accumulation controller is used for the total flow of integrating sample water, and can automatically close sampling branch road when reaching flow accumulation terminal, also exportable alerting signal, traffic termination signal, and be configured with digital communication module, can with tele-control system communication, thus can realize data double-way transmission and Long-distance Control, robotization and intelligence degree high.
Above-described accumulation corrosion product sampling apparatus: wherein automatic steady current shut-off valve, according to actual setpoint needs, can regulate the flow of sample fluid automatically; Wherein flow sensor can accurate measuring flow, and by flow accumulation controller integrating total flow.
Preferably, above-described accumulation corrosion product sampling apparatus, after drain filter is arranged on upsampling filter, both convenient sampling, again can when do not sample or lavage specimens water lines automatic steady current shut-off valve and flow sensor are protected, anti-locking apparatus damages, and increases the service life; And before stopcock is arranged on upsampling filter, can the convenient high-speed switch stream when starting sampling and stop sampling; And adopt metal hose to be connected between the first needle valve and stopcock, be convenient to the dismounting of upsampling filter.
Preferably, above-described accumulation corrosion product sampling apparatus, described automatic steady current shut-off valve, flow sensor, flow accumulation controller are connected, wherein flow accumulation controller can arrange arbitrarily required sample discharge and total flow, is automatically regulated and keep that sample discharge is constant, the accurate measuring flow of flow sensor, flow accumulation controller integrating total flow by automatic steady current shut-off valve.
Preferably, above-described accumulation corrosion product sampling apparatus, described bypass conduit, when automatic steady current shut-off valve is in flow control scope during adjust flux, by the second needle valve from the unnecessary sample water of bypath system venting, and observe the flow of bypass sample water by glass rotameter.Wherein blowdown cup is designed to opened type, prevents sample water blowdown back pressure and sample water " venturi " phenomenon.
Preferably, above-described accumulation corrosion product sampling apparatus, adopts box-type Integrated design, is convenient to integrated installation and comprehensively arranges with other sampling apparatuses.And functional unit and observing apparatus are arranged in front panel, intuitive and convenient; Pipeline, blowdown, flow sensor etc. are arranged in box house, neatly attractive in appearance.
The present invention can gather and volume-cumulative the medium (being generally water) in therrmodynamic system pipeline automatically, and carries out seizure sampling respectively to the corrosion product of the different shape comprised in medium (solid-state and ionic state).According to the amount of the cumulative volume of sampling media and wherein corrosion product, can judge the corrosion condition of therrmodynamic system easily, and in conjunction with chemical analysis means, can accurately can calculate the corrosion rate of therrmodynamic system.
The principle of work of accumulation corrosion product sampling apparatus of the present invention is: first according to concrete working condition requirement, and flow accumulation controller arranges required sample flow and total flow terminal.When being adjusted in real time by automatic steady current shut-off valve and keep that sample discharge is constant, bypass conduit discharges unnecessary sample water, the sampling filter disc of various seizure corrosion product is installed respectively by upsampling filter, carry out corrosion product analysis so that follow-up, determine type and the content of corrosion product; By the accurate measuring flow of flow sensor, flow accumulation controller integrating total flow, and automatically close sampling branch road when can arrive flow accumulation terminal, last sample water enters opened type blowdown cup and discharges, and can output alarm signal, traffic termination signal, and configurable digital communication module, with tele-control system communication, and realize data double-way transmission and Long-distance Control.
Beneficial effect: accumulation corrosion product sampling apparatus of the present invention is compared with existing artificial sample technology and had the following advantages:
1, can realize to corrosion product continuous, sample for a long time, sample representativeness is high.
2, automatic steady current shut-off valve can maintain the constant current of sample water automatically, and without the need to manual shift, can improve measurement device precision, automaticity is high.
3, flow accumulation controller can accept the signal of external control system, and signal can be outputted to external control system, and realize intelligent and remote monitoring, work efficiency is higher, applied widely.
4, flow accumulation controller can arrange arbitrarily sample discharge and total flow, can ensure high-acruracy survey when low discharge.
5, upsampling filter, is convenient to dismounting, easy to clean, be applicable to the sampling filter disc of the various seizure corrosion product of clamping, and inside is provided with high precision filter disc pallet, and guarantee is sampled, and filter disc is indeformable in sampling process not to break, and sample water can flow uniformly through filter disc.
6, whole device integration is high, robotization and intelligence degree high, excellent performance, can save a large amount of manual operation flow processs of sampling process, work efficiency is high.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of accumulation corrosion product sampling apparatus provided by the invention.
Fig. 2 is the panel layout of accumulation corrosion product sampling apparatus provided by the invention.
Fig. 3 is the device arrangements figure of accumulation corrosion product sampling apparatus provided by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
As shown in Figure 1, Figure 2 and Figure 3, a kind of accumulation corrosion product sampling apparatus, it comprises: the sample water inlet pipe (1) be connected successively by pipeline, first needle valve (2), metal hose (3), stopcock (4), upsampling filter (5), drain filter (6), automatic steady current shut-off valve (7), flow sensor (8) and flow accumulation controller (9);
Be connected with bypass duct between described the first needle valve (2) and metal hose (3), bypass duct be provided with successively the second needle valve (10) and glass rotameter (11).
Above-described accumulation corrosion product sampling apparatus, the first needle valve (2) and the second needle valve (10) are angle-style needle valve.
Above-described accumulation corrosion product sampling apparatus, the pipeline between described automatic steady current shut-off valve (7) and flow sensor (8) is provided with tensimeter (12).
Above-described accumulation corrosion product sampling apparatus, can install filtration membrane and/or ion exchange membrane sheet in described upsampling filter (5).
Above-described accumulation corrosion product sampling apparatus, can be provided with digital communication module in described flow accumulation controller (9), be connected by communication with tele-control system.
During accumulation corrosion product sampling apparatus real work provided by the invention, first according to concrete working condition requirement, flow accumulation controller (9) arranges required sample flow and total flow, when being adjusted in real time by automatic steady current shut-off valve (7) and keep that sample discharge is constant, bypass conduit discharges unnecessary sample water, the sampling filter disc of various seizure corrosion product is installed respectively by upsampling filter (5), carry out corrosion product analysis so that follow-up, determine type and the content of corrosion product; By flow sensor (8) accurately measuring flow, and by flow accumulation controller (9) integrating total flow, and automatically close sampling branch road when can arrive flow accumulation terminal, last sample water enters blowdown cup and discharges.It can also export and comprise alerting signal, traffic termination signal, and configurable digital communication module, realizes data double-way transmit and Long-distance Control with tele-control system communication.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. accumulation corrosion product sampling apparatus, it is characterized in that, it comprises: the sample water inlet pipe (1) be connected successively by pipeline, first needle valve (2), metal hose (3), stopcock (4), upsampling filter (5), drain filter (6), automatic steady current shut-off valve (7), flow sensor (8) and flow accumulation controller (9);
Be connected with bypass duct between described the first needle valve (2) and metal hose (3), bypass duct be provided with successively the second needle valve (10) and glass rotameter (11);
First needle valve (2) and the second needle valve (10) are angle-style needle valve;
Pipeline between described automatic steady current shut-off valve (7) and flow sensor (8) is provided with tensimeter (12);
Filtration membrane and/or ion exchange membrane sheet can be installed in described upsampling filter (5);
Digital communication module can be installed in described flow accumulation controller (9), be connected by communication with tele-control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672657.8A CN103674622B (en) | 2013-12-12 | 2013-12-12 | Accumulation corrosion product sampling apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672657.8A CN103674622B (en) | 2013-12-12 | 2013-12-12 | Accumulation corrosion product sampling apparatus |
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| Publication Number | Publication Date |
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| CN103674622A CN103674622A (en) | 2014-03-26 |
| CN103674622B true CN103674622B (en) | 2015-09-09 |
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| CN201310672657.8A Expired - Fee Related CN103674622B (en) | 2013-12-12 | 2013-12-12 | Accumulation corrosion product sampling apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105424953A (en) * | 2015-11-18 | 2016-03-23 | 华北电力大学 | Equal state monitoring system and method for corrosion products in power station steam-water system working medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978506A (en) * | 1988-05-18 | 1990-12-18 | Westinghouse Electric Corp. | Corrosion product monitoring method and system |
| JPH0886877A (en) * | 1994-09-19 | 1996-04-02 | Hitachi Ltd | Method and apparatus for controlling dust collection of dust radiation monitor and dust sampler |
| CN202305288U (en) * | 2011-10-13 | 2012-07-04 | 秦山第三核电有限公司 | Spent fuel dry type storage barrel sample drying device |
| CN103323287A (en) * | 2013-06-04 | 2013-09-25 | 国家电网公司 | Automatic sampling device for sampling furfural in transformer oil and sampling method |
| CN203643212U (en) * | 2013-12-12 | 2014-06-11 | 中广核工程有限公司 | Cumulative corrosion product sampling device |
-
2013
- 2013-12-12 CN CN201310672657.8A patent/CN103674622B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978506A (en) * | 1988-05-18 | 1990-12-18 | Westinghouse Electric Corp. | Corrosion product monitoring method and system |
| JPH0886877A (en) * | 1994-09-19 | 1996-04-02 | Hitachi Ltd | Method and apparatus for controlling dust collection of dust radiation monitor and dust sampler |
| CN202305288U (en) * | 2011-10-13 | 2012-07-04 | 秦山第三核电有限公司 | Spent fuel dry type storage barrel sample drying device |
| CN103323287A (en) * | 2013-06-04 | 2013-09-25 | 国家电网公司 | Automatic sampling device for sampling furfural in transformer oil and sampling method |
| CN203643212U (en) * | 2013-12-12 | 2014-06-11 | 中广核工程有限公司 | Cumulative corrosion product sampling device |
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