CN203385596U - High-temperature sampling probe - Google Patents
High-temperature sampling probe Download PDFInfo
- Publication number
- CN203385596U CN203385596U CN201320490416.7U CN201320490416U CN203385596U CN 203385596 U CN203385596 U CN 203385596U CN 201320490416 U CN201320490416 U CN 201320490416U CN 203385596 U CN203385596 U CN 203385596U
- Authority
- CN
- China
- Prior art keywords
- temperature
- temperature sampling
- gas
- sampling probe
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a high-temperature sampling probe which comprises a high-temperature sampling detection rod and a high-temperature sampling filter, wherein a gas outlet of the high-temperature sampling detection rod is connected with a gas inlet of the high-temperature sampling filter; the high-temperature sampling filter comprises a gas chamber; a high-temperature heating stick, a temperature sensor, a filter pot and a stop valve are arranged in the gas chamber; the gas outlet of the high-temperature sampling detection rod is connected with a gas inlet of the filter pot through a pipeline running through one side wall of the gas chamber; a gas outlet of the filter pot is communicated with the inner cavity of the gas chamber; a sample gas output pipeline is arranged on the other side wall of the gas chamber, the stop valve is correspondingly arranged at a position, which is positioned at a gas feeding port in the gas chamber, of the sample gas output pipeline; a control gas input port of the stop valve is connected with a gas outlet of a control gas conveying device; the high-temperature heating stick is connected with a power supply; the temperature sensor is connected with a controller. The high-temperature sampling probe can sample corrosive gas at a high-acid dew point, and condensation corrosion cannot be generated in the high-temperature sampling probe; furthermore, the high-temperature sampling probe has an automatic stop function and can reliably work under a high-temperature environment.
Description
Technical field
The utility model relates to a kind of sampling probe, espespecially a kind of high-temperature sampling probe used in the gas analysis system of monitoring gaseous contaminant discharge.
Background technology
Sampling probe is one of most important parts in gas analysis system, it does not directly contact with there is no treated flue gas, work under bad environment, its processing to flue gas is the most important link that guarantees the subsequent parts normal operation, therefore, it must possess very high Stability and dependability in the course of the work.
Although existing sampling probe can be realized the function to flue gas temperature control, dust-filtering in the market, stable better with unfailing performance,, also there is following defect in it:
First, sampling probe adopts and is heated from the thermal relief heating tape mostly, though this type of heating is without special temperature control device, but heating-up temperature is subject to the impact from the thermal relief heating tape, generally can only reach the scope of 120～140 degrees centigrade, can't tackle the corrosive gas of higher acid dew point, the flue gas acid dew point discharged such as garbage burning factory at least will reach 160 degrees centigrade, under this occasion, this sampling probe can't be used.
The second, the cutoff function of sampling probe be under abnormal conditions to a kind of important protection of subsequent parts, if can not end in time, except sampling probe self is caused bad impact, also can cause damage to subsequent parts, bring massive losses.At present, sampling probe adopts ball valve to sample cut-off mostly, and only can manually operate, therefore, it can't be tackled robotization and require high occasion, has cut-off situation not in time, though and minority adopts the sampling probe of pneumatic ball valve can realize automatically controlling sampling to end and move, but its cost is higher, and can not under hot conditions, work well.
The utility model content
The purpose of this utility model is to provide a kind of high-temperature sampling probe, and this high-temperature sampling probe can be sampled the corrosive gas of high acid dew point, and its inside can not produce condensate corrosion, and, the utlity model has the automatic cut-off function, can be at reliably working under hot environment, cost is low.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of high-temperature sampling probe, it is characterized in that: it comprises high temperature sampling feeler lever, the high temperature sampling filter, the gas outlet of this high temperature sampling feeler lever is connected with the air intake opening of this high temperature sampling filter, wherein: this high temperature sampling filter comprises air chamber, be provided with the high-temperature heating rod in this air chamber, temperature sensor, hay tank, stop valve, the gas outlet of this high temperature sampling feeler lever is connected with the air intake opening of this hay tank via the pipeline of a sidewall that runs through this air chamber, the gas outlet of this hay tank communicates with the inner chamber of this air chamber, another sidewall of this air chamber is provided with sample gas output channel, the air inlet port correspondence that this sample gas output channel is positioned at this air chamber is provided with this stop valve, the control gas input port of this stop valve is connected with the gas outlet of control gas conveying device, this high-temperature heating rod is connected with power supply, this temperature sensor is connected with controller.
Described high temperature sampling feeler lever comprises hollow bowl, this inner tube is arranged with heating cables outward, this heating cables is connected with described power supply via high temperature wire, this heating cables is arranged with outer tube outward, be provided with Temperature Detector on the relevant position of this inner tube, between this heating cables and this inner tube, this Temperature Detector is connected with described controller.
The coiling density that is positioned at the described heating cables of described inner tube rear end is greater than the coiling density of the described heating cables that is positioned at described inner tube front end, and described Temperature Detector is positioned at the rear end of described inner tube.
Described stop valve is the high-temperature bellow valve, this high-temperature bellow valve comprises the base that is provided with air hole, the top of this base is provided with corrugated tube, the hollow chamber of this corrugated tube communicates with this air hole, the top of this corrugated tube is provided with joint pin, the top of this joint pin is provided with plug, on this joint pin, is arranged with back-moving spring.
The utility model has the advantages that:
The utility model can be sampled the corrosive gas of high acid dew point, and its inside can not produce condensate corrosion, and, the utlity model has the automatic cut-off function, can be at reliably working under hot environment, cost is low.
The accompanying drawing explanation
Fig. 1 is that structure of the present utility model forms schematic diagram.
Fig. 2 is that the structure of high temperature sampling feeler lever forms schematic diagram.
Fig. 3 is that the structure of high temperature sampling filter forms schematic diagram.
Fig. 4 is the schematic top plan view (broken section) of Fig. 3.
Fig. 5 is the structure enlarged diagram of high-temperature bellow valve in Fig. 4.
Embodiment
As shown in Figures 1 to 5, the utility model high-temperature sampling probe comprises high temperature sampling feeler lever 10, high temperature sampling filter 40, this high temperature sampling feeler lever 10 is fixed on housing 30 via flange 20, one end of this high temperature sampling feeler lever 10 is in this housing 30 and the other end is exposed to outside this housing 30, this high temperature sampling filter 40 is placed in this housing 30, the gas outlet of this high temperature sampling feeler lever 10 is connected with the air intake opening of this high temperature sampling filter 40, wherein: this high temperature sampling filter 40 comprises air chamber 41, be provided with the high-temperature heating rod 45 for heating in this air chamber 41, temperature sensor 46, hay tank 42, stop valve 47, the gas outlet of this high temperature sampling feeler lever 10 is connected with the air intake opening of this hay tank 42 via the pipeline of a sidewall that runs through this air chamber 41, this pipeline and this air chamber 41 sidewalls are tightly connected, the gas outlet of this hay tank 42 communicates with the inner chamber of this air chamber 41, another sidewall of this air chamber 41 is provided with sample gas output channel 43, the air inlet port correspondence that this sample gas output channel 43 is positioned at this air chamber 41 is provided with this stop valve 47, the control gas input port of this stop valve 47 is connected with the gas outlet of control gas conveying device (not shown) via control letter shoot road 44, the gas that this control gas conveying device is carried is for controlling this air inlet port whether this stop valve 47 blocks this sample gas output channel 43, the port of giving vent to anger of this sample gas output channel 43 is connected with the air intake opening of subsequent parts, Wiring port and the power supply of this high-temperature heating rod 45 are (not shown, as the 220V power supply) the power supply port connect, the signal port of this temperature sensor 46 is connected with the corresponding I/O port of controller (not shown).In actual design, this temperature sensor 46 is chosen as the PT100 temperature sensor.
As Fig. 2, high temperature sampling feeler lever 10 comprises hollow bowl 11, the outer heating cables 12(that is arranged with of this inner tube 11 is as adopted the flexible heating cables of glass fibre), the Wiring port of this heating cables 12 is connected with the power supply port of power supply via high temperature wire 15, heating cables 12 is for realizing the high-temperature heating function to high temperature sampling feeler lever 10, the outer outer tube 14 that is arranged with of this heating cables 12, be provided with Temperature Detector 13 on the relevant position of this inner tube 11, between this heating cables 12 and this inner tube 11, the signal port of this Temperature Detector 13 is connected with the corresponding I/O port of controller.In actual design, this Temperature Detector 13 is chosen as the PT100 temperature sensor.
For heating cables 12, should select rational heating power and coiling density and point for measuring temperature according to on-the-spot service condition, for example, in actual use, the rear portion of high temperature sampling feeler lever 10 is also in environment temperature, temperature is lower, particularly, in the winter of north cold, flue gas is easy to produce herein condensation and corrosion, therefore, the rear portion that high temperature should be sampled to feeler lever 10 easily cold section as mainly heating position, carry out accurate temperature detection simultaneously.In the face of this kind of requirement, should arrange as follows: the coiling density that is arranged in the heating cables 12 of inner tube 11 rear ends (right-hand member of Fig. 1 high temperature sampling feeler lever 10) is greater than the coiling density of the heating cables 12 that is arranged in inner tube 11 front ends (left end of Fig. 1 high temperature sampling feeler lever 10), adopt the layout type of " loose at first but afterwards tight ", by experiment simultaneously, the best power of heating cables 12 is 20W/m, the length of heating cables 12 is that 12～15 times of high temperature sampling feeler lever 10 length are the best, and Temperature Detector 13 is positioned at the rear end of inner tube 11.
As Fig. 5, stop valve 47 is chosen as the high-temperature bellow valve, this high-temperature bellow valve comprises the base 471 that is provided with air hole 472, the top of this base 471 is provided with corrugated tube 473, the hollow chamber of this corrugated tube 473 communicates with this air hole 472, and this air hole 472 is connected with the gas outlet of control gas conveying device via control letter shoot road 44, and the top of this corrugated tube 473 is provided with cap shape joint pin 476, the top of this joint pin 476 is provided with plug 474, on this joint pin 476, is arranged with back-moving spring 475.In practice, as Fig. 5, back-moving spring 475 also can be set on the shell 477 of high-temperature bellow valve.Certainly, the utility model also can adopt the stop valve of other version, is not limited to above-mentioned high-temperature bellow valve.
When needs end, be filled with gas via air hole 472 in the chamber of corrugated tube 473, so corrugated tube 473 expands under the effect of certain pressure (as being greater than 0.6MPa), overcome the effect of back-moving spring 475, drive the air inlet port motion of plug 474 to sample gas output channel 43, tight-lipped the supporting of inlet end of plug 474 and sample gas output channel 43, block the air inlet port of sample gas output channel 43, makes flue gas can't enter subsequent parts.When not needing to end, to cancel gas and be filled with, corrugated tube 473, under the effect of back-moving spring 475, is got back to initial position, so, between the air inlet port of plug 474 and sample gas output channel 43, separating, flue gas can enter subsequent parts unobstructedly.
In the utility model, corrugated tube 473 is the power as driving by gas, when removing power, it will restore to the original state under the acting force of back-moving spring 475, therefore, under the condition that guarantees stroke and mission life, the configuration of power and spring reset power is very important.At first, stroke the best of corrugated tube 473 is decided to be 2cm.If the on-the-spot compressed-air actuated pressure provided is 0.3～0.6MPa, mission life is decided to be 10000 times stretches, and the corrugation length of corrugated tube 473 the best is 18cm.If, but the compressed-air actuated pressure provided is while being less than 0.3～0.6MPa, needing separately to increase gas storage increases device, to guarantee the normal operation of corrugated tube.
In addition, as Fig. 1, also can be provided with blowback air input channel 50, gas input channel 60 on the sidewall of air chamber 41.Blowback air input channel 50 is connected with blowback air conveying device (not shown), and in air chamber 41, sending into purge gas, and gas input channel 60 is connected with gas conveying device (not shown), for calibration of the present utility model.
In the utility model, hay tank 42, heating cables 12, high-temperature heating rod 45 etc. are the product of knowing of this area, therefore its concrete formation is not here described.
The course of work of the present utility model is:
During sampling, the high-temperature bellow valve does not end action, and corrugated tube 473 is in initial position, between the air inlet port of plug 474 and sample gas output channel 43, separates, and flue gas can enter subsequent parts from sample gas output channel 43 unobstructedly.Be specially: the flue gas in flue 70 enters inner tube 11 via the air intake opening of high temperature sampling feeler lever 10, flue gas is in inner tube 11 in mobile process, be heated cable 12 and be heated to set high temperature, simultaneous temperature detecting device 13 detects heating-up temperature in real time, be heated to be the gas outlet output of the flue gas of high temperature from inner tube 11, be admitted to the filtration (Yin Gaowen that carries out dust in hay tank 42, moisture in flue gas remains gaseous state, thereby hay tank 42 can filter in enormous quantities to the dust in flue gas), then be sent, be full of whole air chamber 41, in air chamber 41, flue gas can be by high-temperature heating rod 45 post bake, simultaneous temperature sensor 46 detects the temperature in air chamber 41 in real time, then through the flue gas of post bake, from sample gas output channel 43, send to subsequent parts.Because the heating-up temperature of heating cables 12 and high-temperature heating rod 45 is controlled, flue gas can be heated to default high temperature, and as more than 160 degrees centigrade, therefore, the utility model can be tackled the corrosive gas of high acid dew point well.
When needs end, be filled with gas via air hole 472 in the chamber of corrugated tube 473, corrugated tube 473 expands, overcome the effect of back-moving spring 475, drive the air inlet port motion of plug 474 towards sample gas output channel 43, tight-lipped the supporting of inlet end of plug 474 and sample gas output channel 43, make plug 474 block the air inlet port of sample gas output channel 43, thereby flue gas can't enter subsequent parts.
The utility model has the advantages that:
1, the utility model carries out high-temperature heating by self all part that contact with flue gas (parts in high temperature sampling feeler lever, high temperature sampling filter), and temperature is higher than the acid dew point of flue gas, therefore, the utility model inside can not produce condensate corrosion, and the corrosive gas solved high acid dew point samples difficult problem.
2, the utility model adopts the high-temperature bellow valve to realize the automatic cut-off function; subsequent parts has been realized to effective protection; this automatic cut-off mode cost performance is high, and the high-temperature bellow valve of pure machinery has guaranteed the utility model reliably working for a long time under hot environment.
The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; in the situation that do not deviate from spirit and scope of the present utility model; the apparent changes such as any equivalent transformation based on the technical solutions of the utility model basis, simple replacement, within all belonging to the utility model protection domain.
Claims (7)
1. a high-temperature sampling probe, it is characterized in that: it comprises high temperature sampling feeler lever, the high temperature sampling filter, the gas outlet of this high temperature sampling feeler lever is connected with the air intake opening of this high temperature sampling filter, wherein: this high temperature sampling filter comprises air chamber, be provided with the high-temperature heating rod in this air chamber, temperature sensor, hay tank, stop valve, the gas outlet of this high temperature sampling feeler lever is connected with the air intake opening of this hay tank via the pipeline of a sidewall that runs through this air chamber, the gas outlet of this hay tank communicates with the inner chamber of this air chamber, another sidewall of this air chamber is provided with sample gas output channel, the air inlet port correspondence that this sample gas output channel is positioned at this air chamber is provided with this stop valve, the control gas input port of this stop valve is connected with the gas outlet of control gas conveying device, this high-temperature heating rod is connected with power supply, this temperature sensor is connected with controller.
2. high-temperature sampling probe as claimed in claim 1 is characterized in that:
Described high temperature sampling feeler lever comprises hollow bowl, this inner tube is arranged with heating cables outward, this heating cables is connected with described power supply via high temperature wire, this heating cables is arranged with outer tube outward, be provided with Temperature Detector on the relevant position of this inner tube, between this heating cables and this inner tube, this Temperature Detector is connected with described controller.
3. high-temperature sampling probe as claimed in claim 2 is characterized in that:
The coiling density that is positioned at the described heating cables of described inner tube rear end is greater than the coiling density of the described heating cables that is positioned at described inner tube front end, and described Temperature Detector is positioned at the rear end of described inner tube.
4. high-temperature sampling probe as claimed in claim 3 is characterized in that:
Described Temperature Detector is the PT100 temperature sensor.
5. high-temperature sampling probe as claimed in claim 1 is characterized in that:
Described temperature sensor is the PT100 temperature sensor.
6. high-temperature sampling probe as claimed in claim 1 is characterized in that:
Described stop valve is the high-temperature bellow valve, this high-temperature bellow valve comprises the base that is provided with air hole, the top of this base is provided with corrugated tube, the hollow chamber of this corrugated tube communicates with this air hole, the top of this corrugated tube is provided with joint pin, the top of this joint pin is provided with plug, on this joint pin, is arranged with back-moving spring.
7. high-temperature sampling probe as described as any one in claim 1 to 6 is characterized in that:
The sidewall of described air chamber is provided with blowback air input channel, gas input channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490416.7U CN203385596U (en) | 2013-08-12 | 2013-08-12 | High-temperature sampling probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490416.7U CN203385596U (en) | 2013-08-12 | 2013-08-12 | High-temperature sampling probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203385596U true CN203385596U (en) | 2014-01-08 |
Family
ID=49874073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320490416.7U Expired - Lifetime CN203385596U (en) | 2013-08-12 | 2013-08-12 | High-temperature sampling probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203385596U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404068A (en) * | 2016-10-18 | 2017-02-15 | 光大环境科技（中国）有限公司 | Measurement device for detecting temperature and smoke components in furnace in real time |
| CN106683718A (en) * | 2017-03-03 | 2017-05-17 | 清华大学天津高端装备研究院 | Penetration piece suitable for high-temperature environment and nuclear facilities |
| CN107210245A (en) * | 2014-11-18 | 2017-09-26 | 泰拉半导体株式会社 | Substrate board treatment |
| CN108692755A (en) * | 2018-05-03 | 2018-10-23 | 佛山市川东磁电股份有限公司 | A kind of gas sensor sealing device |
| CN109163944A (en) * | 2018-09-26 | 2019-01-08 | 苏州曼德克光电有限公司 | A kind of sampler of Multi-stage heating |
-
2013
- 2013-08-12 CN CN201320490416.7U patent/CN203385596U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107210245A (en) * | 2014-11-18 | 2017-09-26 | 泰拉半导体株式会社 | Substrate board treatment |
| CN107210245B (en) * | 2014-11-18 | 2020-08-11 | 圆益Ips股份有限公司 | Substrate processing apparatus |
| CN106404068A (en) * | 2016-10-18 | 2017-02-15 | 光大环境科技（中国）有限公司 | Measurement device for detecting temperature and smoke components in furnace in real time |
| CN106404068B (en) * | 2016-10-18 | 2019-04-16 | 光大环境科技（中国）有限公司 | A kind of measuring device for real-time detection in-furnace temperature and smoke components |
| CN106683718A (en) * | 2017-03-03 | 2017-05-17 | 清华大学天津高端装备研究院 | Penetration piece suitable for high-temperature environment and nuclear facilities |
| CN108692755A (en) * | 2018-05-03 | 2018-10-23 | 佛山市川东磁电股份有限公司 | A kind of gas sensor sealing device |
| CN109163944A (en) * | 2018-09-26 | 2019-01-08 | 苏州曼德克光电有限公司 | A kind of sampler of Multi-stage heating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203385596U (en) | High-temperature sampling probe | |
| WO2020248526A1 (en) | Exhaust gas test device for fuel cell vehicle | |
| CN104764632A (en) | Non-contact type full-automatic gas sample retention device | |
| CN111024752B (en) | Hydrogen fuel cell automobile exhaust check out test set | |
| CN204204743U (en) | Direct-acting type pressure switch | |
| CN108709733B (en) | Solenoid valve stroke and gas tightness detection device | |
| CN201832776U (en) | Drying system of vacuum paint-dipping dryer | |
| CN206020114U (en) | A kind of hot type samples feeler lever | |
| CN110160773B (en) | Pressure relief valve detection device and detection method thereof | |
| CN218980977U (en) | Smoke gas condensation water removing device | |
| CN209559861U (en) | A kind of flue gas analysis system | |
| CN203469677U (en) | Ceramic filter ball type flue gas dust removal optimization device | |
| CN204963332U (en) | High temperature radar charge level indicator cooling device | |
| CN204882175U (en) | Smoke and dust sampling device | |
| CN211235156U (en) | Sampling tube of ozone precursor instrument | |
| CN209927373U (en) | Portable hydrogen leak detector | |
| CN204176919U (en) | A kind of wall-hung boiler with air-flow monitoring function | |
| CN101949756A (en) | Air expansion leakage check device for detecting leakage of water tank | |
| CN105565286A (en) | Nitrogen making machine | |
| CN220650197U (en) | Boiler sampling barrel with anti-blocking device | |
| CN201289424Y (en) | Leakage detection device for shell type heat exchanger | |
| CN220690878U (en) | Desulfurization flue gas humidity measuring device | |
| CN213273675U (en) | HDT cut tobacco dryer | |
| CN204514675U (en) | The flue gas sampling device of electrical heating type band automatic protection functions | |
| CN209117071U (en) | A kind of pipe parameter integral type detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |