CN206281816U - A kind of cooling system and decrease temperature and pressure system - Google Patents
A kind of cooling system and decrease temperature and pressure system Download PDFInfo
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- CN206281816U CN206281816U CN201621432565.8U CN201621432565U CN206281816U CN 206281816 U CN206281816 U CN 206281816U CN 201621432565 U CN201621432565 U CN 201621432565U CN 206281816 U CN206281816 U CN 206281816U
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Abstract
The utility model provides a kind of cooling system and decrease temperature and pressure system, the cooling system includes gas operated device and is wrapped in the heat insulating casting material layer and gas cooling layer on the gas operated device surface, and the heat insulating casting material layer and flow direction of the gas cooling layer along gas in gas operated device set gradually.The decrease temperature and pressure system includes the cooling system and dropping equipment.The temperature of high-temperature gas safely and fast can be reduced to required temperature by the cooling system, the decrease temperature and pressure system is able to ensure that Oxygen Measuring Instrument normally detects the oxygen content of high temperature and high pressure gas so that the oxygen content that Oxygen Measuring Instrument can be on the device for producing high temperature and high pressure gas in normal measurement gas.
Description
Technical field
The utility model belongs to cooling and reduction technology field, is related to a kind of cooling system and decrease temperature and pressure system, especially
It is related to a kind of decrease temperature and pressure for making the gas that temperature is 1250 DEG C, pressure is 140kPa be applied to Oxygen Measuring Instrument measurement
System.
Background technology
Oxygen Measuring Instrument (Zirconia Oxygen Analyzer), also known as zirconia oxygen analyzer, zirconium oxide
Analyzer, zirconia oxygen analyzer, zirconia O2 analyzer, are mainly used in measuring the oxygen concentration of flue gas in combustion process, equally
Suitable for Non-combusting gas oxygen concentration testing.The electrochemical cell that temperature is constant in sensor produces a millivolt potential, this
Individual potential direct reaction goes out oxygen concentration value in flue gas.This analyzer is applied to burning monitoring and control, it will help fully
Burning, reduces CO2、SOxAnd NOxDischarge so as to prevent global warming and air pollution from contributing.
Oxygen Measuring Instrument is widely used in burning monitoring and the control process of various industries, and helps every profession and trade
Field achieves considerable energy-saving effect.Application field includes energy consumption industry, such as steel industry, electron electric power industry, oil
Industry, ceramics, paper-making industry, grocery trade, textile industry, also including various combustion apparatus, such as incinerator, medium small boiler.
Normal oxidation zirconium oxygen conten analyser requires that pressure is -0.5-5kPa when 700-1400 DEG C of high-temperature gas is measured.
When gas temperature for 1250 DEG C, pressure be 140kPa in the case of, it is impossible to carried out using normal oxidation zirconium oxygen analyzer
Line is detected.In order to be able to the use condition for reaching Oxygen Measuring Instrument must make the pressure of the gas sample of measurement reach -0.5-
5kPa, but the material of suitable pressure regulating equipment cannot be found at 1250 DEG C.
The A of CN 101943529 disclose a kind of high-temperature gas dry cooling device, include bundled tube cooler cylinder,
Bundled tube cooler external jacket, described bundled tube cooler cylinder is divided into expansion segment, temperature descending section, discharge along high-temperature gas flow direction
Section；Deflection cone is provided with the expansion segment of described bundled tube cooler cylinder.
The A of CN 104266011 disclose a kind of double-deck water pipe of cooling, including body, are cased with having annular on tube wall
The cooling pipe of through hole.
But it is 1250 DEG C, the cooling of the gas that pressure is 140kPa that above-mentioned heat sink is unsuitable for temperature, in addition, above-mentioned
Heat sink cannot also be depressured to gas.A kind of decrease temperature and pressure device is provided for this problem the utility model, can be made
The normal measurement temperature of Oxygen Measuring Instrument is 1250 DEG C, the oxygen content of the gas that pressure is 140kPa.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of cooling system and decrease temperature and pressure
The temperature of high-temperature gas safely and fast can be reduced to required temperature, the decrease temperature and pressure by system, the cooling system
System is able to ensure that Oxygen Measuring Instrument normally detects the oxygen content of high temperature and high pressure gas so that Oxygen Measuring Instrument
Oxygen content during normally gas can be measured on the device for producing high temperature and high pressure gas.
Unless otherwise specified, the high-temperature gas refers to the gas that temperature is not higher than 1500 DEG C to the utility model, described
It is not higher than 1500 DEG C that high temperature and high pressure gas refer to temperature, and pressure is the not higher than gas of 2MPa.
It is that, up to this purpose, the utility model uses following technical scheme：
One of the purpose of this utility model is to provide a kind of cooling system, the cooling system include gas operated device and
It is wrapped in the heat insulating casting material layer and gas cooling layer on the gas operated device surface, the heat insulating casting material layer and gas cooling layer
Flow direction along gas in gas operated device sets gradually.
The cooling system that the utility model is provided is cold by being wrapped in the heat insulating casting material layer and gas on gas operated device surface
But layer, the temperature of high-temperature gas can be reduced to 200 DEG C or so by it.The heat insulating casting material layer can reduce high-temperature gas
Temperature, and the temperature of its outer surface is not high.
It is 1250 DEG C, the cooling of the gas that pressure is 140kPa that the cooling system is particularly suited for temperature.
The heat insulating casting material layer is connected with gas cooling layer, and gas operated device is wrapped up.
The effect of the gas operated device is to derive high-temperature gas, and then decrease temperature and pressure operation, the air guide are carried out to it
The form of device is not unique, preferably wireway, more preferably earthenware, with high temperature resistant.
The length of the earthenware be 500~1100mm, such as 550mm, 600mm, 700mm, 800mm, 900mm or
1000mm, such as a diameter of 4~10mm, 5mm, 6mm, 7mm, 8mm, 9mm or 9.5mm.
The thickness of heat insulating casting material layer is 30~150mm, such as 35mm, 40mm, 50mm, 60mm, 70mm, 80mm,
100mm, 120mm, 130mm or 140mm etc..
The heat insulating casting material layer includes the first cooling layer and the second cooling layer, first cooling layer, the second cooling layer
Set gradually with flow direction of the gas cooling layer along gas in gas operated device；The thickness of first cooling layer is more than the second cooling
The thickness of layer, first cooling layer is 1 along the length ratio of gas flow with the second cooling layer along the length of gas flow:2
~1:4, such as 1:2.2、1:2.5、1:2.8、1:3.0、1:3.2、1:3.5 or 1:3.8 etc..
The thickness of first cooling layer contributes to the quick heat radiating of high-temperature gas more than the thickness of the second cooling layer, while
It is unlikely to cause cooling device security incident occur.In addition, thickness of the thickness of first cooling layer more than the second cooling layer
Contribute to the design of cooling layer, its overall stability is improved.
The temperature of high-temperature gas can be down to 350 DEG C or so by the heat insulating casting material layer.
The gas cooling layer includes gas chuck, the gas in the gas chuck in back flow of gas cooling gas operated device
Body；
Or, the gas cooling layer includes at least one gas cooling pipe, the gas cooling pipe is arranged at the air guide
The surface of device, and by gas operated device parcel wherein.The settable multiple of the gas cooling pipe, such as 1,2,3,4
Individual, 5,6,8 or 10 etc..The setting form of the gas cooling pipe can be various, such as be disposed in parallel in gas operated device
Surface, the surface etc. that is wrapped in gas operated device.
The gas cooling pipe is preferably coiled pipe, and the coiled pipe is wound in the surface of the gas operated device.
The temperature of high-temperature gas can be reduced to 200 DEG C or so by the gas cooling layer, and as needed can be by temperature
Degree is down to lower.
Used as another technical scheme, the gas operated device includes earthenware and the metal tube being connected with earthenware, ceramics
Pipe is wrapped in heat insulating casting material layer, and metal tube is wrapped in gas cooling layer.
The length of the earthenware be 300~500mm, such as 320mm, 350mm, 400mm, 420mm, 430mm, 450mm,
480mm etc., such as a diameter of 4~10mm, 5mm, 6mm, 7mm, 8mm, 9mm；The length of the metal tube is 200~600mm, such as
230mm, 250mm, 280mm, 300mm, 320mm, 350mm, 380mm etc., a diameter of 4~10mm, such as 4mm, 5mm, 6mm, 7mm,
8mm, 9mm etc..
Gas operated device is set to two sections, contributes to giving full play to for wireway material effect, and it is easy to disassemble.
One of the purpose of this utility model also resides in a kind of decrease temperature and pressure system of offer, and the decrease temperature and pressure system includes drop
Pressure device and cooling system as described above, the air inlet of the dropping equipment are connected with the gas outlet of gas operated device.
Oxygen Measuring Instrument can be used directly by the gas of the decrease temperature and pressure system and measures oxygen content therein.
The dropping equipment is the conventional device in this area, and those skilled in the art can as needed select suitable step-down
Device, typical but non-limiting dropping equipment includes restriction orifice.
Compared with prior art, the beneficial effects of the utility model are：
The temperature of high-temperature gas successfully can be reduced to required temperature by the cooling system that the utility model is provided, and
And safe operation, convenience；
High temperature and high pressure gas successfully can be reduced to required temperature pressure by the decrease temperature and pressure system that the utility model is provided
Power, and it is safe and simple, and it is 1250 DEG C, the cooling of the gas that pressure is 140kPa to be particularly suited for temperature；
The decrease temperature and pressure system that the utility model is provided is able to ensure that Oxygen Measuring Instrument normally detects HTHP
The oxygen content of gas (gas that such as temperature is 1250 DEG C, pressure is 140kPa) so that Oxygen Measuring Instrument can produced
Normally used on the device of raw high temperature and high pressure gas.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the cooling system that embodiment 1 is provided；
Wherein：1-1, earthenware；1-2, metal tube；2, the first cooling layer；3, the second cooling layer；4, gas cooling layer；5,
Fixed seat.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
Embodiment 1
A kind of cooling system, as shown in Figure 1.The cooling system includes gas operated device and is wrapped in gas operated device outer surface
Heat insulating casting material layer and gas cooling layer 4；The heat insulating casting material layer and gas cooling layer 4 are along gas in gas operated device
Flow direction sets gradually；
The gas operated device is earthenware, and the earthenware pipe diameter is 4~10mm；It is wrapped in heat insulating casting material layer
Earthenware length be 300~500mm；The length for being wrapped in the earthenware of air setting section is 200~600mm；
The heat insulating casting material layer is made up of heat insulating casting material；The thickness of the heat insulating casting material layer is 30~150mm；
The heat insulating casting material layer includes the first cooling layer 2 and the second cooling layer 3；First cooling layer 2, second is cooled down
Layer 3 and flow direction of the gas cooling layer 4 along gas in earthenware set gradually；First cooling layer 2 is along gas in earthenware
The length ratio that the middle length for flowing to direction flows to direction along gas with the second cooling layer 3 in earthenware is 1:2~1:4；Institute
State the thickness of the thickness more than the second cooling layer 3 of the first cooling layer 2；
The gas cooling layer 4 includes gas chuck, and the bottom of gas chuck sets air inlet, and top sets gas outlet；
Or, the gas cooling layer 4 includes gas cooling pipe, and the gas cooling pipe is arranged on earthenware 1-1 outer walls；
The gas cooling pipe is preferably coiled pipe, is wrapped in ceramic pipe outer wall；
The system also includes fixed seat 5, and the fixed seat 5 is by wireway, the heat-insulated cast being wrapped on the outside of wireway
The bed of material and gas cooling layer 4 are fixed at the gas outlet of test system.
Embodiment 2
A kind of cooling system, except the gas operated device includes the earthenware 1-1 and metal tube 1-2 that are tightly connected, earthenware
1-1 is wrapped in heat insulating casting material layer, and metal tube 1-2 is wrapped in gas cooling layer 4, and the length of the earthenware 1-1 is 300
~500mm, a diameter of 4~10mm；The length of the metal tube 1-2 be 200~600mm, outside a diameter of 4~10mm, remaining with
Embodiment 1 is identical.
The gas temperature being wrapped in the metal tube 1-2 in gas cooling layer 4 has been reduced, so metal tube 1-2
Material requirement it is not harsh, can be used metal material.Gas operated device is set to two sections, is conducive to the dismounting of device.
Embodiment 3
A kind of decrease temperature and pressure system, including dropping equipment and the cooling system described in embodiment 2, the dropping equipment enter
Gas port is connected with the gas outlet of wireway in cooling system.
The dropping equipment includes restriction orifice.
Process with the oxygen content of gas in the decrease temperature and pressure systematic survey auxiliary combustion chamber is as follows, by dropping equipment with
Oxygen Measuring Instrument connects, the oxygen content for measuring gas in gas operated device, the temperature of gas wherein in auxiliary combustion chamber
Spend for 1250 DEG C, pressure are 140kPa：
Gas sample is derived by earthenware 1-1, respectively through 4 two sections of heat insulating casting material layer and gas cooling layer, is cooled to conjunction
Dropping equipment can be connected after suitable temperature and is decompressed to -0.5~5kPa.
Heat insulating casting material layer ensure that surface temperature will not be too high.Gas sample is reached and gas by after heat insulating casting material layer
During the junction of cooling layer 4, temperature can be down to 350 DEG C or so；Gas cooling layer 4 continues to reduce using the air that outside is passed through
The temperature of gas sample to 200 DEG C (design gas cooling layer 4 be prevented from heat insulating casting material layer convection outside heat-transfer effect it is undesirable when
There is danger, the maximal ventilatory volume of gas cooling layer 4 can make 1250 DEG C of gas sample directly be cooled to 200 DEG C).Gas sample temperature drops
Can be by conventional buck device to 200 DEG C or so --- gas sample is depressurized to 3kPa by restriction orifice, now, zirconium oxide oxygen amount point
Analyzer can normally be accessed and used, and obtain the oxygen content in gas sample.
Applicant's statement, the foregoing is only specific embodiment of the present utility model, but protection model of the present utility model
Enclose and be not limited thereto, person of ordinary skill in the field is it will be clearly understood that any belong to those skilled in the art and exist
In the technical scope that the utility model is disclosed, the change or replacement that can be readily occurred in all fall within protection domain of the present utility model
Within the scope of disclosure.
Claims (10)
1. a kind of cooling system, it is characterised in that the cooling system includes gas operated device and is wrapped in the gas operated device
The heat insulating casting material layer and gas cooling layer (4) on surface, the heat insulating casting material layer and gas cooling layer (4) are along gas in air guide
Flow direction in device sets gradually.
2. system according to claim 1, it is characterised in that the gas operated device includes earthenware.
3. system according to claim 2, it is characterised in that the length of the earthenware is 500~1100mm, a diameter of
4~10mm.
4. system according to claim 1, it is characterised in that the thickness of the heat insulating casting material layer is 30~150mm.
5. system according to claim 1, it is characterised in that the heat insulating casting material layer include the first cooling layer (2) and
Second cooling layer (3), first cooling layer (2), the second cooling layer (3) and gas cooling layer (4) are along gas in gas operated device
In flow direction set gradually；More than the thickness of the second cooling layer (3), described first cools down the thickness of first cooling layer (2)
Layer (2) is 1 along the length ratio of gas flow with the second cooling layer (3) along the length of gas flow:2~1:4.
6. system according to claim 1, it is characterised in that gas cooling layer (4) includes gas chuck, or, institute
Stating gas cooling layer (4) includes at least one gas cooling pipe, and the gas cooling pipe is arranged at the surface of the gas operated device,
And by gas operated device parcel wherein.
7. system according to claim 6, it is characterised in that the gas cooling pipe is coiled pipe, the coiled pipe is twined
It is around in the surface of the gas operated device.
8. system according to claim 1, it is characterised in that the gas operated device include earthenware (1-1) and with ceramics
The connected metal tube (1-2) of pipe (1-1), earthenware (1-1) is wrapped in heat insulating casting material layer, and metal tube (1-2) is wrapped in gas
In body cooling layer (4).
9. system according to claim 8, it is characterised in that the length of the earthenware (1-1) is 300~500mm, directly
Footpath is 4~10mm；The length of the metal tube (1-2) is 200~600mm, a diameter of 4~10mm.
10. a kind of decrease temperature and pressure system, it is characterised in that the decrease temperature and pressure system includes the cooling described in claim 1-9
System and dropping equipment, the air inlet of the dropping equipment are connected with the gas outlet of gas operated device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432565.8U CN206281816U (en) | 2016-12-23 | 2016-12-23 | A kind of cooling system and decrease temperature and pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432565.8U CN206281816U (en) | 2016-12-23 | 2016-12-23 | A kind of cooling system and decrease temperature and pressure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281816U true CN206281816U (en) | 2017-06-27 |
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ID=59071983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621432565.8U Active CN206281816U (en) | 2016-12-23 | 2016-12-23 | A kind of cooling system and decrease temperature and pressure system |
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| Country | Link |
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| CN (1) | CN206281816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931795A (en) * | 2019-03-07 | 2019-06-25 | 安徽工业大学 | The test application method of drop tube furnace |
-
2016
- 2016-12-23 CN CN201621432565.8U patent/CN206281816U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931795A (en) * | 2019-03-07 | 2019-06-25 | 安徽工业大学 | The test application method of drop tube furnace |
| CN109931795B (en) * | 2019-03-07 | 2020-05-26 | 安徽工业大学 | Using method of drop tube furnace for test |
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