CN203643212U - Cumulative corrosion product sampling device - Google Patents
Cumulative corrosion product sampling device Download PDFInfo
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- CN203643212U CN203643212U CN201320814147.5U CN201320814147U CN203643212U CN 203643212 U CN203643212 U CN 203643212U CN 201320814147 U CN201320814147 U CN 201320814147U CN 203643212 U CN203643212 U CN 203643212U
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- flow
- sampling
- corrosion product
- needle valve
- accumulation
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Abstract
The utility model discloses a cumulative corrosion product sampling device. The sampling device comprises a water sample inlet pipe (1), a first needle valve (2), a metal hose (3), a plug valve (4), a sampling filter (5), a contamination draining filter (6), an automatic steady-flow shut-off valve (7), a flow sensor (8) and a flow integrating controller (9) which are sequentially connected with one another by pipelines, wherein a bypass pipeline is connected with the first needle valve (2) and the metal hose (3); a second needle valve (10) and a glass rotor flow meter (11) are sequentially arranged on the bypass pipeline. The sampling device is reasonable in structure design, convenient to use, and capable of correctly controlling and accurately determining the flow of fluid, and the total flow can be integrated by virtue of the flow integrating controller; the sampling device can receive and output signals to realize intelligent remote monitoring and can stop sampling automatically; besides, the sampling device is high in automation degree, intelligent degree, sampling quantity, sampling precision and working efficiency, and wide in application range.
Description
Technical field
The utility model design 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
Control and the protection of corrosion are the main concerned issues of the field therrmodynamic system run durations such as power station, petrochemical factory, Industrial Boiler.If corrosion is not carried out to necessary control, will cause generating efficiency to reduce, when serious, will cause the damage of equipment.
To therrmodynamic system, corrosion is controlled, and first will implement effectively and monitoring accurately corrosion condition.Traditional existing corrosion product Sampling techniques, adopt artificial sample mode to carry out more.Because adopting artificial sample mode, only can gather in short-term sample water a small amount of in therrmodynamic system at every turn, can not realize accumulated samples, because sampling quantity is less, sample representativeness is poor, be difficult to the corrosion condition of therrmodynamic system to carry out comprehensive and accurate monitoring, be also difficult to the corrosion product of different shape to be analyzed respectively.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, can realize automatic adjusting to sampling flow, volume to sampling can add up automatically, adopt filtration and ion exchange technique can catch respectively and enrichment solid-state in institute's sample water and corrosion product ionic state, be convenient to the device of subsequent analysis judgement.
Utility model content
Utility model object: the purpose of this utility model is the deficiency in order to solve existing artificial sample, a kind of reasonable in design, easy to use is provided, can accurately control fluid flow, by the accurate measuring flow of flow sensor, and by flow accumulation controller integrating total flow, can accept, output signal realizes intelligent remote monitoring, and can reach the accumulation corrosion product sampling apparatus that automatically stops sampling after setting total flow terminal.This sampling apparatus can be dismantled resampling filter device easily with handling 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 utility model is taked is:
Accumulation corrosion product sampling apparatus, it comprises: the sample water inlet pipe being connected successively by pipeline, the first needle valve, metal hose, stopcock, resampling filter device, drain filter, automatic steady current shut-off valve, tensimeter, flow sensor and flow accumulation controller;
Between the first described needle valve and metal hose, be connected with bypass duct, the second needle valve and glass rotameter are installed on bypass duct successively.
As preferred version, above-described accumulation corrosion product sampling apparatus, wherein the first needle valve and the second needle valve are angle type needle valve.
As preferred version, above-described accumulation corrosion product sampling apparatus, is provided with tensimeter on the pipeline between described automatic steady current shut-off valve and flow sensor, can show in real time the fluid actual pressure by pipeline portions by tensimeter.
As preferred version, above-described accumulation corrosion product sampling apparatus, can install filtration membrane and/or ion exchange membrane sheet in described resampling filter device.Described resampling filter device is applicable to the sampling filter disc that various seizure corrosion products are installed, inside is provided with high precision filter disc pallet, the filter disc that can guarantee to sample is operated under full flow state, and indeformablely do not break, and the sampling filter disc (as: filtration membrane and ion exchange membrane sheet) of various seizure corrosion products can conveniently be installed in resampling filter device inside, thereby can be applicable to various accumulation corrosion products to sample targetedly.
As preferred version, above-described accumulation corrosion product sampling apparatus, described flow accumulation controller is for the total flow of integrating sample water, and can in the time reaching flow accumulation terminal, automatically close sampling branch road, also exportable alerting signal, traffic termination signal, and dispose digital communication module, can with tele-control system communication, thereby can realize data double-way transmission and Long-distance Control, robotization and intelligent degree are high.
Above-described accumulation corrosion product sampling apparatus: wherein automatic steady current shut-off valve, can, according to actual setpoint needs, regulate the flow of sampling fluid automatically; Wherein accurately measuring flow of flow sensor, and by flow accumulation controller integrating total flow.
As preferred version, above-described accumulation corrosion product sampling apparatus, after drain filter is arranged on resampling filter device, both convenient sampling, can not sample or automatic steady current shut-off valve and flow sensor protected lavage specimens water lines in the situation that again, anti-locking apparatus damages, and increases the service life; And before stopcock is arranged on resampling filter device, conveniently high-speed switch stream in the time starting sampling and stop sampling; And between the first needle valve and stopcock, adopt metal hose to be connected, be convenient to the dismounting of resampling filter device.
As preferred version, 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, by automatic steady current shut-off valve automatically regulate and keep that sample discharge is constant, the accurate measuring flow of flow sensor, flow accumulation controller integrating total flow.
As preferred version, above-described accumulation corrosion product sampling apparatus, described bypass conduit, when automatic steady current shut-off valve is in flow control scope when adjust flux, from the unnecessary sample water of bypath system venting, and can observe by glass rotameter the flow of bypass sample water by the second needle valve.Wherein blowdown cup is designed to opened type, prevents sample water blowdown back pressure and sample water " venturi " phenomenon.
As preferred version, 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 to front panel, intuitive and convenient; Pipeline, blowdown, flow sensor etc. are arranged in box house, attractive in appearance neat.
The utility model can gather the medium in therrmodynamic system pipeline (being generally water) and volume accumulation automatically, and the corrosion product of the different shape comprising in medium (solid-state and ionic state) is caught respectively to sampling.According to the cumulative volume of sampling media and the amount of corrosion product wherein, can judge the corrosion condition of therrmodynamic system easily, and can, in conjunction with chemical analysis means, can accurately calculate the corrosion rate of therrmodynamic system.
The principle of work of accumulation corrosion product sampling apparatus described in the utility model is: first, according to concrete working condition requirement, required sample flow and total flow terminal are set on flow accumulation controller.Adjust in real time and keep that sample discharge is constant, bypass conduit is discharged in the situation of unnecessary sample water by automatic steady current shut-off valve, the sampling filter disc of various seizure corrosion products is installed respectively by resampling filter device, 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 can arrive flow accumulation terminal time, 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 described in the utility model is compared and had the following advantages with existing artificial sample technology:
1, can realize to corrosion product continuously, for a long time sampling, sample representativeness is high.
2, automatic steady current shut-off valve can maintain the constant current of sample water automatically, without manual shift, can improve measurement device precision, and automaticity is high.
3, flow accumulation controller can be accepted the signal of external control system, and signal can be outputed to external control system, realizes intellectuality and remote monitoring, and work efficiency is higher, applied widely.
4, flow accumulation controller can arrange arbitrarily sample discharge and total flow, can the in the situation that of low discharge, guarantee high-acruracy survey.
5, resampling filter device, is convenient to dismounting, easy to clean, is applicable to the sampling filter disc of the various seizure corrosion products of clamping, and inside is provided with high precision filter disc pallet, guarantees sampling filter disc is indeformable in sampling process not break, and sample water can uniform-flow filter.
6, whole device integration is high, and robotization and intelligent degree are high, and excellent performance can have been saved a large amount of manual operation flow processs of sampling process, and work efficiency is high.
Accompanying drawing explanation
The fundamental diagram of the accumulation corrosion product sampling apparatus that Fig. 1 provides for the utility model.
The panel layout of the accumulation corrosion product sampling apparatus that Fig. 2 provides for the utility model.
The device arrangements figure of the accumulation corrosion product sampling apparatus that Fig. 3 provides for the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, only for being described, the utility model is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
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) being connected successively by pipeline, the first needle valve (2), metal hose (3), stopcock (4), resampling filter device (5), drain filter (6), automatic steady current shut-off valve (7), flow sensor (8) and flow accumulation controller (9);
Between described the first needle valve (2) and metal hose (3), be connected with bypass duct, the second needle valve (10) and glass rotameter (11) are installed on bypass duct successively.
Above-described accumulation corrosion product sampling apparatus, the first needle valve (2) and the second needle valve (10) are angle type needle valve.
Above-described accumulation corrosion product sampling apparatus, is provided with tensimeter (12) on the pipeline between described automatic steady current shut-off valve (7) and flow sensor (8).
Above-described accumulation corrosion product sampling apparatus, can install filtration membrane and/or ion exchange membrane sheet in described resampling filter device (5).
Above-described accumulation corrosion product sampling apparatus, can be provided with digital communication module in described flow accumulation controller (9), is connected by communication with tele-control system.
When accumulation corrosion product sampling apparatus real work that the utility model provides, first according to concrete working condition requirement, on flow accumulation controller (9), required sample flow and total flow are set, adjust in real time and keep that sample discharge is constant, bypass conduit is discharged in the situation of unnecessary sample water by automatic steady current shut-off valve (7), the sampling filter disc of various seizure corrosion products is installed respectively by resampling filter device (5), carry out corrosion product analysis so that follow-up, determine type and the content of corrosion product; By accurately measuring flow of flow sensor (8), and by flow accumulation controller (9) integrating total flow, and automatically close sampling branch road can arrive flow accumulation terminal time, last sample water enters the discharge of blowdown cup.It can also be exported and comprise alerting signal, traffic termination signal, and configurable digital communication module, with tele-control system communication and realize data double-way transmission and Long-distance Control.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. accumulation corrosion product sampling apparatus, it is characterized in that, it comprises: the sample water inlet pipe (1) being connected successively by pipeline, the first needle valve (2), metal hose (3), stopcock (4), resampling filter device (5), drain filter (6), automatic steady current shut-off valve (7), flow sensor (8) and flow accumulation controller (9);
Between described the first needle valve (2) and metal hose (3), be connected with bypass duct, the second needle valve (10) and glass rotameter (11) are installed on bypass duct successively.
2. accumulation corrosion product sampling apparatus according to claim 1, is characterized in that, the first needle valve (2) and the second needle valve (10) are angle type needle valve.
3. accumulation corrosion product sampling apparatus according to claim 1, is characterized in that, on the pipeline between described automatic steady current shut-off valve (7) and flow sensor (8), tensimeter (12) is installed.
4. accumulation corrosion product sampling apparatus according to claim 1, is characterized in that, in described resampling filter device (5), can install filtration membrane and/or ion exchange membrane sheet.
5. according to the accumulation corrosion product sampling apparatus described in claim 1 to 4 any one, it is characterized in that, in described flow accumulation controller (9), digital communication module can be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814147.5U CN203643212U (en) | 2013-12-12 | 2013-12-12 | Cumulative corrosion product sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814147.5U CN203643212U (en) | 2013-12-12 | 2013-12-12 | Cumulative corrosion product sampling device |
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| Publication Number | Publication Date |
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| CN203643212U true CN203643212U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320814147.5U Expired - Fee Related CN203643212U (en) | 2013-12-12 | 2013-12-12 | Cumulative corrosion product sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674622A (en) * | 2013-12-12 | 2014-03-26 | 中广核工程有限公司 | Cumulative corrosion product sampling device |
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- 2013-12-12 CN CN201320814147.5U patent/CN203643212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674622A (en) * | 2013-12-12 | 2014-03-26 | 中广核工程有限公司 | Cumulative corrosion product sampling device |
| CN103674622B (en) * | 2013-12-12 | 2015-09-09 | 中广核工程有限公司 | Accumulation corrosion product sampling apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20191212 |