CN202814951U - Hydrogen purity measurement device for hydrogen-cooled generator - Google Patents
Hydrogen purity measurement device for hydrogen-cooled generator Download PDFInfo
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- CN202814951U CN202814951U CN 201220507606 CN201220507606U CN202814951U CN 202814951 U CN202814951 U CN 202814951U CN 201220507606 CN201220507606 CN 201220507606 CN 201220507606 U CN201220507606 U CN 201220507606U CN 202814951 U CN202814951 U CN 202814951U
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- hydrogen
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Abstract
The utility model discloses a hydrogen purity measurement device for a hydrogen-cooled generator. The hydrogen purity measurement device for the hydrogen-cooled generator comprises a gas purity transducer, a hydrogen source branch and a replacing gas branch, wherein the gas purity transducer is provided with a gas inlet and a gas outlet, the gas inlet of the gas purity transducer is connected with a hydrogen sampling gas path, the hydrogen sampling gas path is communicated with a generator room of the hydrogen-cooled generator to sample and measure hydrogen inside the generator room, one end of the hydrogen source branch is communicated with the hydrogen sampling gas path, the other end of the hydrogen source branch is communicated with a hydrogen source, one end of the replacing gas branch is communicated with the hydrogen sampling gas path, the other end of the replacing gas branch is communicated with a replacing gas source, and switching valves which are used for controlling connection and disconnection of corresponding branches are arranged on the hydrogen source branch and the replacing gas branch respectively. The hydrogen purity measurement device is capable of filling source hydrogen and replacing gases into the generator room when necessary, so that a gas filling device which is arranged separately can be cancelled, a sealing structure of the gas filling device can also be cancelled, and the production cost of users can be reduced.
Description
Technical field
The utility model belongs to the hydrogen cooled generator technical field, is specifically related to a kind of hydrogen cooled generator hydrogen purity measurement mechanism.
Background technology
Hydrogen is as a kind of heat-conduction medium of excellence, be applied on the generator as heat eliminating medium more, during use, hydrogen be filled with in the Generators, but the potpourri of hydrogen and air can be blasted after surpassing certain scope, so should be noted that the hydrogen purity in the machine room.Simultaneously, in the hydrogen cooled generator technical field, need generator is overhauled, need during maintenance first the generator machine room to be connected with atmosphere, after the oxygen in machine room reaches standard, just can overhaul.And after maintenance is finished, need in machine room, to be filled with substitution gas so that the air in the machine room is emptying from the machine room bottom first, usually select the heavier inert gas of carbon dioxide or nitrogen equimolecular weight ratio air molecule weight as substitution gas, and then slave roof section is filled with hydrogen so that the inert gas in the machine room is emptying in machine room.For in the Chinese utility model patent instructions of CN201184880Y a kind of hydrogen analyser is disclosed at Granted publication number, this hydrogen analyser comprises sampling gas circuit and calibration gas circuit and is used for the gas that enters from sampling gas circuit and calibration gas circuit is carried out the gas purity transmitter of Treatment Analysis, the sampling gas circuit is provided with the sampling gas admittance valve, and is provided with the calibration gas admittance valve in the calibration gas circuit.During calibration, open the calibration gas admittance valve, close the sampling gas admittance valve, the calibration air-flow is successively by taking into account the gas purity transmitter by filtering pressure reducing valve, pressure maintaining valve, flow, and is emptying by the air outlet valve that links to each other with the purity transmitter at last.And when measuring, open first the sampling gas admittance valve, close the calibration gas admittance valve, allow sampling air flow successively by taking into account the gas purity transmitter by pressure maintaining valve, flow, the air outlet valve that links to each other by the exhausr port with the gas purity transmitter at last is emptying, and the hydrogen purity of the sampling gas that is measured by the output of gas purity transmitter.But only be provided with sampling gas circuit, calibration gas circuit and emptying gas circuit on the existing hydrogen analyser, do not possess the function of implementing supplemental hydrogen source gas in the hydrogen cooled generator machine room and being filled with displacement gas in the machine room, the user also needs to arrange separately in addition in hydrogen cooled generator machine room supplemental hydrogen source gas and is filled with the aerating device of substitution gas, these aerating devices have increased user's production cost on the one hand, also need to solve on the other hand the sealing problem of these aerating devices and machine room.
The utility model content
The purpose of this utility model is to provide a kind of hydrogen cooled generator hydrogen purity measurement mechanism, does not possess the technical matters of implementing supplemental hydrogen source gas in the hydrogen cooled generator machine room and being filled with the function of displacement gas in the machine room on the hydrogen gas purity analysis meter of the prior art to solve.
For achieving the above object, hydrogen cooled generator provided by the utility model with the technical scheme of hydrogen purity measurement mechanism is: hydrogen cooled generator hydrogen purity measurement mechanism, comprise have into, the gas purity transmitter of exhausr port and to hydrogen sampling gas circuit and the calibration gas circuit of the air intake opening of gas purity transmitter input gas, described hydrogen purity measurement mechanism comprises that also an end is connected with hydrogen sampling gas circuit, hydrogen source gas branch road and end hydrogen sampling gas circuit that the other end is used for being connected with hydrogen source gas are connected, the other end is respectively equipped be used to the switch valve of controlling corresponding branch road break-make at hydrogen source gas branch road and displacement gas branch road for the displacement gas branch road that is connected with the displacement source of the gas.
The exhausr port of described gas purity transmitter is connected with the exhaust gas circuit that is connected with atmosphere and is used for the emptying gas circuit of recovery that machine room is connected, and is respectively equipped be used to the switch valve of controlling corresponding gas path on-off electricity in exhaust gas circuit and emptying gas circuit.
Described hydrogen sampling gas circuit is provided with tensimeter and/or the pressure unit for detection of the pressure of hydrogen sampling gas circuit.
Described hydrogen purity measurement mechanism also comprises the drain outlet that is connected with hydrogen sampling gas circuit, is provided with the switch valve of control of sewage disposal passage break-make on this drain outlet.
Switch valve on described hydrogen source gas branch road, displacement gas branch road and the drain outlet is normally close valve.
The beneficial effects of the utility model are: hydrogen cooled generator provided by the utility model can directly carry out purity determination to the hydrogen in the hydrogen cooled generator machine room with the hydrogen purity measurement mechanism, and this hydrogen purity measurement mechanism also comprises hydrogen source gas branch road and displacement gas branch road, hydrogen source gas branch road and displacement gas branch road all are communicated with described hydrogen sampling gas circuit, when needs are filled with hydrogen source gas in the hydrogen cooled generator machine room, switch valve on the hydrogen source gas branch road is opened, and the hydrogen source gas in the hydrogen cylinder enters in the machine room through hydrogen source gas branch road and hydrogen sampling gas circuit.When needs were filled with substitution gas in the machine room, the displacement gas branch road was opened, and the displacement gas in the gas cylinder enters in the machine room through displacement gas branch road and hydrogen sampling gas circuit, realizes gas displacement.This hydrogen purity measurement mechanism possesses when needed the function that is filled with hydrogen source gas and displacement gas in the machine room, compared with prior art get up, can save the aerating device of independent setting on the one hand, can also save on the other hand the hermetically-sealed construction to this aerating device, thereby reduce user's production cost.
Description of drawings
Fig. 1 is the structure principle chart that hydrogen cooled generator provided by the utility model is used a kind of embodiment of hydrogen purity measurement mechanism.
Embodiment
As shown in Figure 1, the hydrogen cooled generator embodiment of hydrogen purity measurement mechanism, hydrogen purity analytical equipment among this embodiment comprises hydrogen sampling gas circuit 12 and calibrates gas circuit 8 and enter the gas purity transmitter 5 that calibration gas carries out Treatment Analysis for the hydrogen that the gas circuit of taking a sample from hydrogen is entered and from the calibration gas circuit, have on this gas purity transmitter 5 into, exhausr port, this calibration gas circuit 8 is provided with the switch valve 81 for the control gas path on-off, this switch valve is normally close valve, the signal output part of this gas purity transmitter 5 is connected with display 13, this hydrogen purity analytical equipment mainly is with the difference of hydrogen purity analytical equipment of the prior art: described hydrogen purity measurement mechanism comprises that also an end is connected with hydrogen sampling gas circuit, hydrogen source gas branch road 10 and end hydrogen sampling gas circuit that the other end is used for being connected with hydrogen source gas are connected, the other end is for the displacement gas branch road 9 that is connected with the displacement source of the gas, described hydrogen source gas branch road 10 and displacement gas branch road 9 all are connected in series connection with described hydrogen sampling gas circuit 12, be respectively equipped be used to the switch valve of controlling corresponding branch road break-make at hydrogen source gas branch road and displacement gas branch road, described hydrogen source gas branch road and displacement gas branch road all have corresponding intake interface, and the switch valve 121 on the hydrogen sampling gas circuit 12 is normally open valve, switch valve 101 on the hydrogen source gas branch road 10 is normally close valve, and the switch valve 91 on the displacement gas branch road 9 is normally close valve.And the emptying gas circuit 11 of recovery that the exhausr port of described gas purity transmitter 5 is connected with the exhaust gas circuit 6 that is connected with atmosphere and is used for being connected with the machine room of hydrogen cooled generator is respectively equipped be used to the switch valve of controlling corresponding gas path on-off electricity in exhaust gas circuit 6 and emptying gas circuit 11.
In the present embodiment, described hydrogen purity analytical equipment also comprises the drain outlet 7 that is connected with hydrogen sampling gas circuit, is provided with the switch valve 71 of control of sewage disposal passage break-make on this drain outlet 7, and this switch valve 71 is normally close valve.
In the present embodiment, the sampling gas from 12 outputs of hydrogen sampling gas circuit is entering flow through first between the gas purity transmitter filtering pressure reducer 3 and flowmeter 4.
Be to improve detection efficiency, on hydrogen sampling gas circuit 12, be provided with tensimeter 2 and pressure unit 1 for detection of the pressure of hydrogen sampling gas circuit in the corresponding switch valve that is provided with and the gas circuit section between the intake interface on this branch road.In other embodiments, on this branch road, also tensimeter or pressure unit can only be set.Tensimeter 2 in above-described embodiment and pressure unit 1 all are connected with generator subsidiary engine console panel 30 in use.So in use, when the Hydrogen Vapor Pressure value in the measured machine room on tensimeter or the pressure unit is lower than the Hydrogen Vapor Pressure of hydrogen cooled generator normal operation, pressure signal will be transferred to generator subsidiary engine console panel 30, switch valve on the hydrogen source gas branch road is opened at this moment, hydrogen enters in the machine room from hydrogen source gas branch road, hydrogen sampling gas circuit, realizes replenishing hydrogen in the machine room.
The hydrogen purity analytical equipment work that provides in above-described embodiment, when calibration, switch valve 81 on the calibration gas circuit 8 is opened, and the switch valve on will take a sample gas circuit and the drain outlet cuts out, enter the gas purity transmitter by calibration gas through calibration gas circuit 8, the exhausr port through the gas purity transmitter flows to the exhaust gas circuit 6 that is connected with atmosphere or the emptying gas circuit 11 of recovery that is connected with the recovery gas cylinder again.
In the time need to carrying out purity detecting to the hydrogen in the hydrogen cooled generator machine room, switch valve on calibration gas circuit 8 and the drain outlet 7 cuts out, and the switch valve that hydrogen is taken a sample on the gas circuit 12 opened, and the switch valve on hydrogen source gas branch road 10 and the displacement gas branch road 9 cuts out, hydrogen in the hydrogen cooled generator machine room enters gas purity transmitter 5 through hydrogen sampling gas circuit 12, exhausr port through the gas purity transmitter flows to the emptying gas circuit 11 of recovery that is connected with the machine room of hydrogen cooled generator again, detects circulation thereby form one.Certainly, also can be with the exhaust gas circuit 6 that is connected through atmosphere through the sampling gas after the gas purity transmitter analyzing and processing directly discharged to atmosphere.
Claims (5)
1. hydrogen cooled generator hydrogen purity measurement mechanism, comprise have into, the gas purity transmitter of exhausr port and to hydrogen sampling gas circuit and the calibration gas circuit of the air intake opening of gas purity transmitter input gas, it is characterized in that: described hydrogen purity measurement mechanism comprises that also an end is connected with hydrogen sampling gas circuit, hydrogen source gas branch road and end hydrogen sampling gas circuit that the other end is used for being connected with hydrogen source gas are connected, the other end is respectively equipped be used to the switch valve of controlling corresponding branch road break-make at hydrogen source gas branch road and displacement gas branch road for the displacement gas branch road that is connected with the displacement source of the gas.
2. hydrogen cooled generator according to claim 1 hydrogen purity measurement mechanism, it is characterized in that: the exhausr port of described gas purity transmitter is connected with the exhaust gas circuit that is connected with atmosphere and is used for the emptying gas circuit of recovery that machine room is connected, and is respectively equipped be used to the switch valve of controlling corresponding gas path on-off electricity in exhaust gas circuit and emptying gas circuit.
3. hydrogen cooled generator according to claim 2 hydrogen purity measurement mechanism is characterized in that: described hydrogen sampling gas circuit is provided with tensimeter and/or the pressure unit for detection of the pressure of hydrogen sampling gas circuit.
4. according to claim 2 or 3 described hydrogen cooled generator hydrogen purity measurement mechanisms, it is characterized in that: described hydrogen purity measurement mechanism also comprises the drain outlet that is connected with hydrogen sampling gas circuit, is provided with the switch valve of control of sewage disposal passage break-make on this drain outlet.
5. hydrogen cooled generator according to claim 4 hydrogen purity measurement mechanism, it is characterized in that: the switch valve on described hydrogen source gas branch road, displacement gas branch road and the drain outlet is normally close valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220507606 CN202814951U (en) | 2012-09-29 | 2012-09-29 | Hydrogen purity measurement device for hydrogen-cooled generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220507606 CN202814951U (en) | 2012-09-29 | 2012-09-29 | Hydrogen purity measurement device for hydrogen-cooled generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814951U true CN202814951U (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220507606 Expired - Lifetime CN202814951U (en) | 2012-09-29 | 2012-09-29 | Hydrogen purity measurement device for hydrogen-cooled generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202814951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437879A (en) * | 2016-11-30 | 2017-02-22 | 青岛国瑞信息技术有限公司 | Automatic hydrogen filling and discharging system for thermal power plant generator |
-
2012
- 2012-09-29 CN CN 201220507606 patent/CN202814951U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437879A (en) * | 2016-11-30 | 2017-02-22 | 青岛国瑞信息技术有限公司 | Automatic hydrogen filling and discharging system for thermal power plant generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: GLTECH Co.,Ltd. Address before: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee before: ZHEJIANG GUANGLI TECH DEVELOPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
|
| CX01 | Expiry of patent term |