CN205958127U - Carbide stove high temperature end flue gas temperature -detecting device - Google Patents
Carbide stove high temperature end flue gas temperature -detecting device Download PDFInfo
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- CN205958127U CN205958127U CN201620802934.1U CN201620802934U CN205958127U CN 205958127 U CN205958127 U CN 205958127U CN 201620802934 U CN201620802934 U CN 201620802934U CN 205958127 U CN205958127 U CN 205958127U
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- air bubble
- pipe
- gas
- temperature
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Abstract
The utility model discloses a carbide stove high temperature end flue gas temperature -detecting device, including the inside scour prevention protective case of inserted pipe. Scour prevention protective case's outer end is passed through the flange and is connected with the injection pipe, and the lateral wall of injection pipe passes through the air bubble interface to be connected with the air bubble, and the upper end of injection pipe is connected through the flange and the connector that directly appears, and the connector that directly appears is fixed with the thermocouple, and the thermocouple passes through the injection pipe inserts in the scour prevention protective case. Be equipped with air bubble high -speed solenoid valve and intake pipe flexible coupling on the lateral wall of air bubble, air bubble high -speed solenoid valve is connected with solenoid valve coupling hose, and solenoid valve coupling hose is connected with control box and air supply solenoid valve. Can avoid flue gas dust and tar overhead sticky at the temperature measurement component, influence measuring -signal's accuracy, the dust scouring force that can avoid the high temperature flue gas to flow acts on, the interior temperature measurement components and parts of protection inserted pipe.
Description
Technical field
This utility model is related to a kind of instrument and meter for automation detection technique, more particularly, to a kind of furnace of calcium carbide temperature end flue-gas temperature
Detection means.
Background technology
Calcium carbide stove exhaust contains high concentration CO, all carries out safe retrieving in modern industry (chemical industry, metallurgy) produces, and does clear
Clean fuel combustion, is that downstream produces energy medium use.Reclaiming calcium carbide stove exhaust needs through one cyclonic cleaner unit, two grades of poles
Power forced air cooler, high-temperature filter (9 grades, subsequently into produce plant area's gaspipe network or gas chamber storage.
Furnace of calcium carbide produces the tail gas that temperature is at 718 DEG C, by gas cooling to 665 DEG C after cooling cyclone cooling, with
When dust collection oarse-grained in gas is got off.Need to carry out interlocked control to temperature in cooling cyclone outlet, by temperature
Control at 665 DEG C about.Open cooling blower C-1 when temperature is high, when temperature is low, stop cooling blower C-1.Electricity after cooling
Stone furnace exhaust gas enter high-temperature filter after continuing through two groups of mechanical air coolers, are also provided with temperature in two groups of mechanical air cooler outlets
Degree interlocked control, opens machine power forced air cooler blower fan when temperature is higher than interlocking higher limit, temperature stops cold when being less than lower limit
But blower fan, so that temperature control is in set point.Because the exhaust gas volumn of calcium carbide stove exhaust is big, dust content is high, dust
The reason such as matter is special, to detecting that this 3 points of temperature bring difficulty.The temperature-detecting device of usual manner, because exhaust gas volumn is big,
Dust in flue gas long-time scour survey element, can make measurement apparatus damage.Tar in flue gas is attached on measuring cell
Make measurement signal inaccurate.
Prior art is that ordinary temperature detection method is as shown in Figure 1：
One of temperature detection universal method is one M27 × 2 of welding, the union joint of L=80 on equipment metallic conduit.Spiral shell
Stricture of vagina connected mode just can install thermal resistance or thermocouple temperature measurement element, simple and practical.
The shortcoming of prior art：
1) process pipe is contained within the medium of dust and tar, routine temperature-measuring element end is easily sticky to accord with powder
Dirt and tar.Time length does not have specific aim method for cleaning will affect the accuracy of measurement signal.
2) dust of high temperature and flowing has souring, and the measurement components and parts in unprotected measure insertion pipeline are when long
Between will disappear under dust souring, this phenomenon occurs in the industrial production often.
Utility model content
The purpose of this utility model is to provide a kind of accuracy height of measurement signal, and can protect the temperature in insertion pipeline
The furnace of calcium carbide temperature end flue-gas temperature detection means of measurement components and parts.
The purpose of this utility model is achieved through the following technical solutions：
Furnace of calcium carbide temperature end flue-gas temperature detection means of the present utility model, including the scour protection within insertion pipeline
Sleeve pipe, the outer end of described scour protection sleeve pipe is connected with playpipe by flange, and the side wall of described playpipe passes through air bubble
Interface is connected with air bubble, and the upper end of described playpipe is connected with straight union joint by flange, and described straight union joint is fixed
There is thermocouple, described thermocouple is inserted in described scour protection sleeve pipe by described playpipe.
The furnace of calcium carbide that be can be seen that the offer of this utility model embodiment by the technical scheme that above-mentioned this utility model provides is high
Warm end flue-gas temperature detection means, it can be avoided that exhaust gas dust and tar are sticky on temperature-measuring element head, impact measurement letter
Number accuracy；It can be avoided that the dust scouring force effect of high-temperature flue gas flowing, the temperature survey unit device in protection insertion pipeline
Part.
Brief description
Fig. 1 is the structural representation of furnace of calcium carbide temperature end flue-gas temperature detection means of the prior art；
The scheme of installation of the furnace of calcium carbide temperature end flue-gas temperature detection means that Fig. 2 provides for this utility model embodiment；
The structural representation of the furnace of calcium carbide temperature end flue-gas temperature detection means that Fig. 3 provides for this utility model embodiment；
Fig. 4 a, Fig. 4 b are respectively the side of air bubble and end face structure schematic diagram in this utility model embodiment；
Fig. 5 is the structural representation of blowing device in this utility model embodiment.
In figure：
1st, thermocouple, 2, straight union joint, 3, pipeline, 4, playpipe, 5, scour protection sleeve pipe, 6, pad, 7, air
Big gun interface, 8, flange, 9, air bubble base, 10, air bubble, 11, relief valve (ZG3/8), 12, source of the gas electromagnetic valve, 13, control
Case, 14, electromagnetic valve connect flexible pipe, 15, air inlet ball valve (DN15), 16, air inlet pipe be flexible coupling (L=1 rice), 17, air bubble blowdown
Mouthful, 18, air bubble high-speed electromagnetic valve (m second level).
Specific embodiment
This utility model embodiment will be described in further detail below.
Furnace of calcium carbide temperature end flue-gas temperature detection means of the present utility model, its preferably specific embodiment is：
Including the scour protection sleeve pipe within insertion pipeline, flange and spray are passed through in the outer end of described scour protection sleeve pipe
Penetrate pipe to connect, the side wall of described playpipe is connected with air bubble by air bubble interface, flange is passed through in the upper end of described playpipe
It is connected with straight union joint, described straight union joint is fixed with thermocouple, and described thermocouple is inserted into institute by described playpipe
State in scour protection sleeve pipe.
Described air bubble includes the gas bag of cylindrical shape, and the side wall of described gas bag is provided with air bubble high-speed electromagnetic valve and air inlet
Pipe is flexible coupling, and what described air inlet pipe was flexible coupling is respectively arranged at two ends with air inlet ball valve, and described air bubble high-speed electromagnetic valve is connected with electricity
Magnet valve connects flexible pipe, and what described electromagnetic valve connected flexible pipe is respectively arranged at two ends with air inlet ball valve, and described electromagnetic valve connects flexible pipe outer end
Air inlet ball valve be connected with control chamber and source of the gas electromagnetic valve.
The side wall of described gas bag is provided with relief valve and air bubble sewage draining exit.
Furnace of calcium carbide temperature end flue-gas temperature detection means of the present utility model, realizes temperature inspection under high-temperature severe environment
Survey, solve the problems, such as tar and dust it is ensured that measuring instrumentss long-term safety uses signal stabilization.It can be avoided that exhaust gas dust and tar
Sticky on temperature-measuring element head, the accuracy of impact measurement signal；It can be avoided that the dust scouring force of high-temperature flue gas flowing
Effect, the temperature survey components and parts in protection insertion pipeline.
This utility model has the characteristics that:
1. thermocouple easy accessibility, is welded with standard straight union joint on blowing device；
2. flange connects, and has gasket seal effect good；
3. add protection sleeve pipe (high-carbon steel wear-resistant material), resist fuel gas and dust in process pipe and wash away, substantially prolongs
Temperature element service life；
4. external compressed air source purging, it is to avoid tar, dust glue thing adhesion it is ensured that temperature signal measurement is accurate；
5. adopt advanced high speed pulse valve, valve element opening/closing time m second level, have powerful jet-action；
6. detection signal and production control system connect, and realize Automated condtrol.Ensure the strongly correct start and stop of cooling blower
Reduce misoperation, energy saving of keeping the safety in production.
Specific embodiment：
Concrete structure is as shown in Figure 2 and Figure 3.
Using the pneumatic purging of air bubble, air bubble principle, effect, as shown in Fig. 4 a, Fig. 4 b：
Solve the phenomenon that dust tar adheres to thermocouple measurement end, it is desirable to have external agency purges.Using air bubble tool
Function timing explosion type is blown.
Blowing device structure is as shown in Figure 5.
Installation specification：
1. when installing, injection adapter (storehouse interior part) should be arranged downwards, and its angle should be not less than 15 ° with horizontal line
2. each joint area of source of the gas and pipeline must not gas leakage.The compressed air using must be filter, stable, dry
Dry.
3. air bubble Special electromagnetic rapid escape valve rated voltage alternating current 220V AC.
4. meet GB985-968-88 regulation except indicating outer, welding, joint form and size, welding and assembling height is equal to relatively thin pieces
Thickness, and all connect weldering.
5. after this equipment installs, reply holder part thoroughly eliminates rust, and primes and finish paint.
Air bubble operation sequence：
In order to give full play to the performance of air bubble use, correct operation is extremely important with good maintenance.
Air bubble compressed-air supply system should be using central gas supply it is ensured that the stable and source of the gas loss of pressure reaches minimum
Change.
After air bubble installs, should conscientiously check, after no problem, to air bubble inflation, and carry out leakage check, qualified
After can carry out empty examination, examination should progressively rise to service pressure when putting.
Air bubble should have special messenger to be responsible for, and after ambient temperature is less than -20 DEG C, can not inflate use into air bubble.
This utility model is combined together using the mechanical devices of three functions that differ from one another and solves furnace of calcium carbide high temperature cigarette
This production difficult problem of gas end temperature detection.Three kinds of devices are respectively：
1) blowing device：
Blowing device is using aerodynamic principle (P1*T1/V1=P2*T2/V2), changes air flow and physics is special
Property.The strong air flow of the compressed gas spraying suddenly, with more than one Mach (velocity of sound) speed directly into detecting element
Faulty section.
2) protect sleeve pipe：
Using high-carbon steel wear-resistant material sleeve pipe, protect thermocouple, it is to avoid dust washes away.
3) air bubble：
The expansion shock wave of this unexpected release of air bubble, overcomes material static friction, makes the fouling material of dust+tar
Recover flowing.Air pressure can be transformed into air-spray kinetic force by air bubble moment, can produce powerful impulsive force, be one
Plant cleaning, the preferable block clearing blow device of low power consuming.
Using effect of the present utility model：
Of the present utility model use decreases the workload that producers safeguard instrument, extends making of temperature instrument
With the life-span, make strongly blower fan control system more stable accurately, it is to avoid misoperation.Reduce energy consumption, greatly reduce running cost
With.In industrial processes, similar working condition is a lot, high temperature, dust, coherent substance.So this utility patent can be
Chemical industry, metallurgical automation detection are promoted the use of.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
It is confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is defined by the protection domain of claims.
Claims (3)
1. a kind of furnace of calcium carbide temperature end flue-gas temperature detection means is it is characterised in that the protection against erosion including within insertion pipeline is protected
Protecting pipe, the outer end of described scour protection sleeve pipe is connected with playpipe by flange, and the side wall of described playpipe passes through air
Big gun interface is connected with air bubble, and the upper end of described playpipe is connected with straight union joint by flange, and described straight union joint is solid
Surely there is thermocouple, described thermocouple is inserted in described scour protection sleeve pipe by described playpipe.
2. furnace of calcium carbide temperature end flue-gas temperature detection means according to claim 1 is it is characterised in that described air bubble bag
Include the gas bag of cylindrical shape, the side wall of described gas bag is provided with air bubble high-speed electromagnetic valve and air inlet pipe is flexible coupling, described air inlet pipe
Be flexible coupling is respectively arranged at two ends with air inlet ball valve, and described air bubble high-speed electromagnetic valve is connected with electromagnetic valve and connects flexible pipe, described electricity
Magnet valve connects the air inlet ball valve that is respectively arranged at two ends with of flexible pipe, and the air inlet ball valve that described electromagnetic valve connects flexible pipe outer end is connected with control
Case and source of the gas electromagnetic valve.
3. furnace of calcium carbide temperature end flue-gas temperature detection means according to claim 2 is it is characterised in that the side of described gas bag
Wall is provided with relief valve and air bubble sewage draining exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802934.1U CN205958127U (en) | 2016-07-27 | 2016-07-27 | Carbide stove high temperature end flue gas temperature -detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802934.1U CN205958127U (en) | 2016-07-27 | 2016-07-27 | Carbide stove high temperature end flue gas temperature -detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958127U true CN205958127U (en) | 2017-02-15 |
Family
ID=57973319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620802934.1U Expired - Fee Related CN205958127U (en) | 2016-07-27 | 2016-07-27 | Carbide stove high temperature end flue gas temperature -detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205958127U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436169A (en) * | 2017-08-26 | 2017-12-05 | 大连惠川环保科技有限公司 | A kind of protection device of material level detector |
| CN108036655A (en) * | 2017-12-15 | 2018-05-15 | 合肥金星机电科技发展有限公司 | Deslagging device |
| CN114184290A (en) * | 2022-02-15 | 2022-03-15 | 徐州赛森电子自动化技术有限公司 | Automatic early warning equipment of coal yard temperature |
-
2016
- 2016-07-27 CN CN201620802934.1U patent/CN205958127U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436169A (en) * | 2017-08-26 | 2017-12-05 | 大连惠川环保科技有限公司 | A kind of protection device of material level detector |
| CN108036655A (en) * | 2017-12-15 | 2018-05-15 | 合肥金星机电科技发展有限公司 | Deslagging device |
| CN108036655B (en) * | 2017-12-15 | 2024-03-26 | 合肥金星智控科技股份有限公司 | Slag removing device |
| CN114184290A (en) * | 2022-02-15 | 2022-03-15 | 徐州赛森电子自动化技术有限公司 | Automatic early warning equipment of coal yard temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20190727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |