CN204228357U - A kind of leakage inspector of plasma generator - Google Patents
A kind of leakage inspector of plasma generator Download PDFInfo
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- CN204228357U CN204228357U CN201420758732.2U CN201420758732U CN204228357U CN 204228357 U CN204228357 U CN 204228357U CN 201420758732 U CN201420758732 U CN 201420758732U CN 204228357 U CN204228357 U CN 204228357U
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- differential pressure
- water
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- flow rate
- plasma generator
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000012545 processing Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000009530 blood pressure measurement Methods 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The utility model discloses a kind of leakage inspector of plasma generator, be connected to plasma generator, comprise differential pressure primary element, differential pressure transmitter and processing unit; Differential pressure primary element is connected to water inlet pipe and the return pipe of plasma generator, to detect flow of inlet water and the circling water flow rate of plasma generator; Differential pressure transmitter is connected to differential pressure primary element, forms the instant electric signal characterizing flow of inlet water and circling water flow rate, and be passed to processing unit according to flow of inlet water and circling water flow rate; The reference electrical signal entering circling water flow rate difference when processing unit stores water-tight, judges whether to leak according to described instant electric signal and described reference electrical signal.Differential pressure transmitter and differential pressure primary element together form the electrically-controlled component detecting flow, are detected respectively flow of inlet water and circling water flow rate by differential pressure measurement method, and structure is simple, can not produce large resistance, measurement result good reliability to pipeline.
Description
Technical field
The utility model relates to Plasma Firing Technology field, particularly a kind of leakage inspector of plasma generator.
Background technology
Along with the popularization day by day of plasma-ignition technique, increasing electric field using plasma igniting, the security of plasma apparatus self more and more comes into one's own.
At present, plasma generator is usually used in for fire coal igniting provides plasma, its high-temperature plasma firing coal-dust in burner produced.Although high-temperature plasma can be used in firing coal-dust, the physical construction of its high temperature plasma generator is unfavorable, therefore, is generally also provided with cooling water system, to reduce the working temperature of plasma generator.
In some cases, when anode or cooled cathode water leakage current, can not current interruption be caused, that is, even if chilled water is revealed, staff also can not be caused to note, even and if can not seepy question be processed.So, when leaking serious, the chilled water of leakage will enter First air pipeline, even flows in coal pulverizer, thus causes equipment failure, threatens security of system.
Therefore, how to provide a kind of leakage inspector detecting plasma generator and leak, so that can Timeliness coverage water leakage situation, dealing with in time, is those skilled in the art's technical issues that need to address.
Utility model content
The purpose of this utility model is for providing a kind of leakage inspector of plasma generator.The leakage inspector of this plasma generator can Timeliness coverage water leakage situation, to deal with in time.
For solving the problems of the technologies described above, the utility model provides a kind of leakage inspector of plasma generator, is connected to described plasma generator, comprises differential pressure primary element, differential pressure transmitter and processing unit;
Described differential pressure primary element is connected to water inlet pipe and the return pipe of described plasma generator, to detect flow of inlet water and the circling water flow rate of described plasma generator;
Described differential pressure transmitter is connected to described differential pressure primary element, forms the electric signal characterizing flow of inlet water and circling water flow rate, and be passed to described processing unit according to described flow of inlet water and described circling water flow rate;
The reference electrical signal entering circling water flow rate difference when described processing unit stores water-tight, judges whether to leak according to described instant electric signal and described reference electrical signal.
Differential pressure transmitter and differential pressure primary element together form the electrically-controlled component detecting flow, are detected respectively flow of inlet water and circling water flow rate by differential pressure measurement method, and structure is simple, can not produce large resistance, measurement result good reliability to pipeline.
Preferably, described processing unit also has flow of inlet water signal output port and circling water flow rate signal output port, described flow of inlet water signal output port exports described flow of inlet water according to described instant electric signal, and described circling water flow rate signal output port exports described circling water flow rate according to described instant electric signal.
Preferably, described processing unit also has alarm signal output ends mouth, and described alarm signal output ends mouth is electrically connected to described processing unit, when described processing unit judges to leak, starts described alarm signal output ends mouth.
Preferably, described differential pressure primary element, described differential pressure transmitter and described processing unit are encapsulated as a module.
Preferably, described processing unit is PLC or single-chip microcomputer or single card microcomputer.
Preferably, described differential pressure primary element is backing tube or pitot tube or Venturi tube or nozzle or orifice plate.
Accompanying drawing explanation
The arrangenent diagram of a kind of embodiment of the leakage inspector of the plasma generator that Fig. 1 provides for the utility model.
In Fig. 1:
Plasma generator 1, water inlet differential pressure primary element 2, backwater differential pressure primary element 3, water inlet differential pressure transmitter 4, backwater differential pressure transmitter 5, processing unit 6, flow of inlet water signal output port 7, circling water flow rate signal output port 8, alarm signal output ends mouth 9, water inlet pipe 10, return pipe 11
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, the arrangenent diagram of a kind of embodiment of the leakage inspector of the plasma generator 1 that Fig. 1 provides for the utility model.
This leakage inspector is connected to plasma generator 1, comprises differential pressure primary element, differential pressure transmitter and processing unit 6.Differential pressure primary element is connected to water inlet pipe 10 and the return pipe 11 of plasma generator 1, to detect the real-time flow of inlet water of described plasma generator 1 and circling water flow rate.
Differential pressure transmitter is connected to differential pressure primary element, and the flow of inlet water detected according to differential pressure primary element and circling water flow rate form the instant electric signal characterizing real-time flow of inlet water and real-time circling water flow rate, and by this instant electrical signal transfer to processing unit 6.
The standard electric signal of flow of inlet water when processing unit 6 stores water-tight and circling water flow rate difference, processing unit 6 compares instant electric signal and the reference electrical signal of reception, when the instant electric signal received is different from standard electric signal, be judged as that plasma generator 1 leaks; Otherwise, be judged as not leaking.
Differential pressure primary element refers to, be arranged on scene, directly contact with chilled water, to detect the element of its flow, comprise backing tube, pitot tube, Venturi tube or nozzle, orifice plate etc., it has water inlet, water delivering orifice and two measurement mouths, water inlet and water delivering orifice are used for being connected with cooling water pipe, and chilled water is delivered to plasma generator 1, measuring tube is for connecting follow-up measuring sensor.
Differential pressure transmitter refers to, the output signal of differential pressure primary element is changed into can by a kind of converter of the signal of controller identification, it has two pressure port, measures mouth and connects, flow signal is converted to electric signal for two of two pressure port and differential pressure primary element.
Differential pressure transmitter and differential pressure primary element together form the electrically-controlled component detecting flow, as shown in Figure 1, water inlet pipe 10 tunnel are provided with into water differential pressure primary element 2, and water inlet differential pressure primary element 2 connects water inlet differential pressure transmitter 4; Return pipe 11 tunnel is provided with backwater differential pressure primary element 3, and backwater differential pressure primary element 3 connects backwater differential pressure transmitter 5, two differential pressure transmitter and is together connected to processing unit 6.Wherein, arrow represents water (flow) direction.
Detected respectively flow of inlet water and circling water flow rate by differential pressure measurement method, structure is simple, can not produce large resistance, measurement result good reliability to pipeline.When plasma generator 1 leaks, even if can find, and take measures, and avoid accident to occur.
Further, processing unit 6 can also have flow of inlet water signal output port 7 and circling water flow rate signal output port 8, be converted to the flow signal of flow of inlet water signal and circling water flow rate with the instant electric signal of the sign flow of inlet water obtained by processing unit 6 and circling water flow rate, and outwards export.Thus person easy to use detect plasma generator 1 enter backwater situation, such as, judge according to flow of inlet water now and circling water flow rate, whether cooling water flow sufficient, the need of operations such as supplementary chilled waters.
Further, processing unit 6 can also have alarm signal output ends mouth 9, when plasma generator 1 leaks, part water spills and can not notice from recirculatory pipe, then enter the comparatively standard flow difference change of circling water flow rate difference, corresponding electric signal also changes, and processing unit 6 is judged as leaking, and alarm signal output ends mouth 9 can export this alerting signal.
Processing unit 6 also has the function sending warning message in time, and can avoid leaking can not by Timeliness coverage, and accidents caused.
Water inlet differential pressure primary element 2, water inlet differential pressure transmitter 4, backwater differential pressure primary element 3, backwater differential pressure transmitter 5, processing unit 6 can also be integrated into a module by the utility model.This module has the interface be connected with water inlet pipe 10 and return pipe 11, during use, only needs this module to be connected on water inlet pipe 10 and return pipe 11, realizes the modularization of leakage inspector.
Above-mentioned processing unit 6 can be single-chip microcomputer, single card microcomputer or PLC; Differential pressure primary element can be backing tube, pitot tube, Venturi tube, nozzle or orifice plate etc.
Above the leakage inspector of a kind of plasma generator provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (6)
1. a leakage inspector for plasma generator, is connected to described plasma generator (1), it is characterized in that, comprises differential pressure primary element, differential pressure transmitter and processing unit (6);
Described differential pressure primary element is connected to water inlet pipe (10) and the return pipe (11) of described plasma generator (1), to detect flow of inlet water and the circling water flow rate of described plasma generator (1);
Described differential pressure transmitter is connected to described differential pressure primary element, forms the instant electric signal characterizing flow of inlet water and circling water flow rate, and be passed to described processing unit (6) according to described flow of inlet water and described circling water flow rate;
The reference electrical signal entering circling water flow rate difference when described processing unit (6) stores water-tight, judges whether to leak according to described instant electric signal and described reference electrical signal.
2. leakage inspector as claimed in claim 1, it is characterized in that, described processing unit (6) also has flow of inlet water signal output port (7) and circling water flow rate signal output port (8), described flow of inlet water signal output port (7) exports described flow of inlet water according to described instant electric signal, and described circling water flow rate signal output port (8) exports described circling water flow rate according to described instant electric signal.
3. leakage inspector as claimed in claim 2, it is characterized in that, described processing unit (6) also has alarm signal output ends mouth (9), described alarm signal output ends mouth (9) is electrically connected to described processing unit (6), when described processing unit (6) judges to leak, start described alarm signal output ends mouth (9).
4. the leakage inspector as described in any one of claim 1-3, is characterized in that, described differential pressure primary element, described differential pressure transmitter and described processing unit (6) are encapsulated as a module.
5. the leakage inspector as described in any one of claim 1-3, is characterized in that, described processing unit (6) is PLC or single-chip microcomputer or single card microcomputer.
6. the leakage inspector as described in any one of claim 1-3, is characterized in that, described differential pressure primary element is backing tube or pitot tube or Venturi tube or nozzle or orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758732.2U CN204228357U (en) | 2014-12-04 | 2014-12-04 | A kind of leakage inspector of plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758732.2U CN204228357U (en) | 2014-12-04 | 2014-12-04 | A kind of leakage inspector of plasma generator |
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| Publication Number | Publication Date |
|---|---|
| CN204228357U true CN204228357U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420758732.2U Active CN204228357U (en) | 2014-12-04 | 2014-12-04 | A kind of leakage inspector of plasma generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303216A (en) * | 2018-01-02 | 2018-07-20 | 京东方科技集团股份有限公司 | A kind of gas-detecting device |
-
2014
- 2014-12-04 CN CN201420758732.2U patent/CN204228357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303216A (en) * | 2018-01-02 | 2018-07-20 | 京东方科技集团股份有限公司 | A kind of gas-detecting device |
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