CN209559589U - A kind of optimization sampling apparatus based on extraction-type the escaping of ammonia detection device - Google Patents
A kind of optimization sampling apparatus based on extraction-type the escaping of ammonia detection device Download PDFInfo
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- CN209559589U CN209559589U CN201822277414.5U CN201822277414U CN209559589U CN 209559589 U CN209559589 U CN 209559589U CN 201822277414 U CN201822277414 U CN 201822277414U CN 209559589 U CN209559589 U CN 209559589U
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Abstract
The utility model provides a kind of optimization sampling apparatus based on extraction-type the escaping of ammonia detection device, and extraction-type the escaping of ammonia detection device is mounted on flue, including jet pump, it is characterized in that, optimizing sampling apparatus includes: cabinet, is set in outside jet pump, has air inlet and exhaust outlet；Air heater is mounted in cabinet, and one end is connected to by pipeline with jet pump, and the other end is connected to air inlet, carries out the gas that air inlet is passed through to be heated to predetermined temperature.The optimization sampling apparatus is provided with air heater, the air heater heats the air that air inlet is passed through, so that the temperature difference is not present between flue gas in air and flue, avoid generating condensed water, to guarantee the normal work of entire extraction-type the escaping of ammonia detection device at low temperature.
Description
Technical field
The utility model relates to the escaping of ammonia detection fields, and in particular to a kind of based on the excellent of extraction-type the escaping of ammonia detection device
Change sampling apparatus.
Background technique
Extraction-type the escaping of ammonia detection device is directly installed on flue by flange, continuous from flue under controlled conditions
Extracting high-temperature flue gas is directly entered the measurement gas chamber of high-temperature heating after dust filtering, is not necessarily to heat traced pipeline, it is ensured that measure the component of flue gas
Any loss and variation will not be generated, sampling unit is sampled (venturi characteristic) using the mode of jet of optimization, passes through essence
True adjusting apparatus air-pressure controlling sample flow, measures according to precision pressure in device, judges airway blockage or leakage (such as
Fruit pressure becomes larger, and system may block；If pressure becomes smaller, system may be leaked).There is no any moving portion in the detection device
Part and sampling pump greatly strengthen the reliability of device, while the tail gas after measurement are back to flue, more environmentally-friendly.Entirely
It samples gas circuit and measurement gas chamber uses integrated design, using the heating of reliable cast aluminium and ceramic heat, embed thermal insulation layer, it is whole
Homogeneous heating, the settable range of system temperature are 200 DEG C~320 DEG C, and plenum interior uses special inert coatings, it is ensured that sample gas
In ammonia without absorption and chemically react.
The jet stream sampling gas source of current this extraction-type the escaping of ammonia detection device is live instrument air, specifically samples process
Are as follows: it is passed through the air inlet of jet pump after adjusting live instrument with suitable pressure and flow with air, makes to generate in jet pump negative
It presses (venturi characteristic), so that flue gas be extracted out out of flue.
Since extraction-type the escaping of ammonia detection device is mounted at denitration flue, be essentially all in open-air atmosphere,
Few places are in interior, and when outdoor temperature is lower, especially northern winter, environment temperature is all in subzero ten or twenty
Degree, when the flue gas of higher temperature is extracted out by jet pump, mixes in jet pump, with the cold and hot temperature difference with the instrument of room temperature with air
Increasing, generate to cause a large amount of condensed water, simultaneously because jet pump inner pore is smaller, and will can not own rapidly
Condensed water discharge, resulted in freezing in jet pump, once jet pump inner icing, will result in entire extraction-type the escaping of ammonia
Detection device can not normal sample, can not normally be measured so as to cause analysis meter.
Utility model content
The utility model is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of based on extraction-type the escaping of ammonia
The optimization sampling apparatus of detection device.
The utility model provides a kind of optimization sampling apparatus based on extraction-type the escaping of ammonia detection device, and extraction-type ammonia is escaped
Ease detection device is mounted on flue, including jet pump, which is characterized in that optimization sampling apparatus includes: cabinet, is set in jet stream
Pump is outer, has air inlet and gas outlet；Air heater is mounted in cabinet, and one end is connected to by pipeline with jet pump, separately
One end is connected to air inlet, carries out the gas that air inlet is passed through to be heated to predetermined temperature.
Compared with prior art, the optimization sampling apparatus of the utility model has the following beneficial effects:
The optimization sampling apparatus is provided with air heater, which adds the air that air inlet is passed through
Heat avoids generating condensed water, to guarantee that entire extraction-type ammonia is escaped so that the temperature difference is not present between flue gas in air and flue
The normal work of detection device of escaping at low temperature.In addition it has also introduced cabinet to be set in outside jet pump, which can be to jet stream
Pump is further kept the temperature, and completely cuts off it with cool ambient air, is avoided because freezing to influence detection device in jet pump
The generation of the phenomenon that operation.
In optimization sampling apparatus provided by the utility model, can also have the feature that, further includes: heating sheet its
In, heating sheet is arranged outside jet pump.The heating sheet can heat jet pump, will not in further guarantee jet pump
It freezes.
In optimization sampling apparatus provided by the utility model, it can also have the following features: wherein, predetermined temperature is
120℃.The temperature enables the air after heating to well adapt to entire detection device.
In optimization sampling apparatus provided by the utility model, can also have the following features: wherein, gas outlet with penetrate
Stream pump connection.The structure enables outside the good discharge cabinet of gas in jet pump, avoids the operation for influencing detection device.
It in optimization sampling apparatus provided by the utility model, can also have the following features: wherein, connection air adds
Heat-insulating cover is provided with outside the pipeline of hot device and jet pump.This can casing can prevent the heat losses in pipeline.
It in optimization sampling apparatus provided by the utility model, can also have the following features: wherein, filling in cabinet
There is thermal insulation material.The thermal insulation material enables to be held in entire cabinet at a temperature appropriate, avoids case intracorporal
Heat losses.
Detailed description of the invention
Fig. 1 is the connection signal for optimizing sampling apparatus and extraction-type the escaping of ammonia detection device in the embodiments of the present invention
Figure.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Under in conjunction with the embodiments the optimization sampling apparatus with attached drawing to the utility model based on extraction-type the escaping of ammonia detection device make it is specific
It illustrates.
The optimization sampling apparatus 100 based on extraction-type the escaping of ammonia detection device in the present embodiment includes cabinet 10, air
Heater 20 and two heating sheets 30.
Extraction-type the escaping of ammonia detection device includes sampling unit 40 and jet pump 50.
Fig. 1 is the connection signal for optimizing sampling apparatus and extraction-type the escaping of ammonia detection device in the embodiments of the present invention
Figure.
As shown in Figure 1, cabinet 10 is set in outside jet pump 40, there is air inlet 11 and gas outlet 12.Filling in cabinet 10
There is the thermal insulation material 13 of reasonable quantity, the material of the thermal insulation material 13 is glass fibre.Temperature in cabinet 10 is protected
Temperature avoids the heat losses in cabinet 10.
Air heater 20 is arranged in cabinet 10, and one end is connected to air inlet 11, and the other end passes through pipeline 21 and jet pump
50 one end connection.Air heater 20 can heat the live instrument imported from air inlet 11 with air.Air adds
The live instrument of importing is heated to 120 DEG C with air by hot device 20.
The outer layer jacket of pipeline 21 is equipped with heat-insulating cover 22, which can prevent the heat of the gas in pipeline 21
It is lost.
Two heating sheets 30 are arranged outside jet pump 50, can heat to jet pump 50, prevent knot in jet pump 50
Ice.Two heating sheets 30 are the heating sheet of self limiting temperature.
The outside of cabinet 10 is arranged in sampling unit 40, is connected to by sampling pipe 41 with jet pump 50.Outside sampling pipe 41
It is arranged with heat-insulating cover, avoids the heat losses of the flue gas in sampling pipe 41.
The other end of jet pump 50 is connected to gas outlet 12.The structure enables the gas in jet pump 50 to pass through outlet
Mouth 12 is discharged to outside cabinet.
To sum up described, the sampling optimization device of the utility model can be empty to the live instrument importeding into jet pump 50
Gas carries out transient heating, so that there is no the temperature difference between the high-temperature flue gas mixed in jet pump 50 and live instrument air, keeps away
The generation for exempting from condensed water, ensure that in jet pump 50 will not freeze, to ensure entire extraction-type the escaping of ammonia detection device i.e.
Make also operate normally at low ambient temperatures.
Above, specific embodiment of the present utility model is described with reference to the accompanying drawings.But the ordinary skill people of this field
Member, can also be to the specific reality of the utility model it is understood that without departing from the spirit and scope of the utility model
The mode of applying makees various changes and replacement, these changes and replacement all fall in the utility model claims book limited range
It is interior.
In the present embodiment, air heater 20 is that live instrument with air is heated to 120 DEG C.In addition, implementing in others
Example, air heater can be adjusted the predetermined temperature that live instrument is heated with air according to actual needs.
Claims (6)
1. a kind of optimization sampling apparatus based on extraction-type the escaping of ammonia detection device, the extraction-type the escaping of ammonia detection device installation
On flue, including jet pump, which is characterized in that the optimization sampling apparatus includes:
Cabinet is set in outside the jet pump, has air inlet and gas outlet；
Air heater is mounted in the cabinet, and one end is connected to by pipeline with the jet pump, the other end and the air inlet
Mouth connection, carries out the gas that the air inlet is passed through to be heated to predetermined temperature.
2. optimization sampling apparatus according to claim 1, which is characterized in that further include:
Heating sheet
Wherein, the heating sheet is arranged outside the jet pump.
3. optimization sampling apparatus according to claim 1, it is characterised in that:
Wherein, the predetermined temperature is 120 DEG C.
4. optimization sampling apparatus according to claim 1, it is characterised in that:
Wherein, the gas outlet is connected to the jet pump.
5. optimization sampling apparatus according to claim 1, it is characterised in that:
Wherein, it is connected to outside the pipeline of the air heater and the jet pump and is provided with heat-insulating cover.
6. optimization sampling apparatus according to claim 1, it is characterised in that:
Wherein, thermal insulation material is filled in the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277414.5U CN209559589U (en) | 2018-12-29 | 2018-12-29 | A kind of optimization sampling apparatus based on extraction-type the escaping of ammonia detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277414.5U CN209559589U (en) | 2018-12-29 | 2018-12-29 | A kind of optimization sampling apparatus based on extraction-type the escaping of ammonia detection device |
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| Publication Number | Publication Date |
|---|---|
| CN209559589U true CN209559589U (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822277414.5U Active CN209559589U (en) | 2018-12-29 | 2018-12-29 | A kind of optimization sampling apparatus based on extraction-type the escaping of ammonia detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324234A (en) * | 2021-11-23 | 2022-04-12 | 合肥固泰自动化有限公司 | In-situ extraction type laser ammonia escape analysis system |
-
2018
- 2018-12-29 CN CN201822277414.5U patent/CN209559589U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324234A (en) * | 2021-11-23 | 2022-04-12 | 合肥固泰自动化有限公司 | In-situ extraction type laser ammonia escape analysis system |
| CN114324234B (en) * | 2021-11-23 | 2024-01-26 | 合肥固泰自动化有限公司 | In-situ extraction type laser ammonia escape analysis system |
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