CN209486031U - A kind of CO combines on-line detecting system with unburned carbon in flue dust - Google Patents
A kind of CO combines on-line detecting system with unburned carbon in flue dust Download PDFInfo
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- CN209486031U CN209486031U CN201822012333.2U CN201822012333U CN209486031U CN 209486031 U CN209486031 U CN 209486031U CN 201822012333 U CN201822012333 U CN 201822012333U CN 209486031 U CN209486031 U CN 209486031U
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- flue dust
- unburned carbon
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Abstract
The utility model discloses a kind of CO to combine on-line detecting system with unburned carbon in flue dust, the system includes gas solid separation unit, CO concentration analysis unit, unburned carbon in flue dust analytical unit, backflush unit and control unit, it is characterized in that, the gas solid separation unit is connected with probe tube；Backflush unit is connected with anti-blowpipe；The probe tube is connected with anti-blowpipe；Backflush unit, CO concentration analysis unit and unburned carbon in flue dust analytical unit pass through control cable and are connected with control unit；Unburned carbon in flue dust analytical unit lower part is equipped with ash discharging hole.The utility model realizes CO and combines on-line checking with unburned carbon in flue dust, can be simultaneously to the CO concentration and unburned carbon in flue dust effectively real-time monitoring in boiler smoke, to provide guidance for boiler operatiopn.
Description
Technical field
The utility model belongs to flue gas inspection equipment technical field, and in particular to a kind of CO combines online with unburned carbon in flue dust
Detection system.
Background technique
Coal is in occupation of 60% or so of China's non-renewable energy generated energy, in occupation of irreplaceable ground in social production
Position.The main forms of electricity generation of coal be by the combustion power generation in boiler, although pulverized coal combustion is quite mature in boiler,
But the problems such as being not enough there are still burning causes to generate in CO and flying dust and contains uncompleted burned carbon, directly result in boiler chemical
Heat loss and mechanical heat loss.Due to shortage row, effective CO and unburned carbon in flue dust online detection instrument make boiler operatiopn real
When adjustment exist it is significant difficult.For the status that above-mentioned CO concentration and unburned carbon in flue dust online detection instrument lack, in conjunction with CO
Electrochemical method and the unburned carbon in flue dust detection of Concentration Testing are commonly used and burning weight loss method with high accuracy develops CO and flying marking
Measure joint on-line measuring device for boiler combustion optimization adjust be there is an urgent need to.
Summary of the invention
The utility model provides a kind of CO and combines on-line detecting system with unburned carbon in flue dust, it is intended to while to CO in flue gas
Concentration and unburned carbon in flue dust carry out real-time monitoring to improve practicable burning performance parameter data, provide finger for boiler operatiopn
It leads.
The utility model realizes that the scheme of above-mentioned target is as follows: a kind of CO combines on-line detecting system with unburned carbon in flue dust,
It includes following part:
Gas solid separation unit, CO concentration analysis unit, unburned carbon in flue dust analytical unit, backflush unit and control unit,
It is characterized in that, the gas solid separation unit is connected with probe tube；Backflush unit is connected with anti-blowpipe；The probe tube and anti-blowpipe
It is connected；Backflush unit, CO concentration analysis unit and unburned carbon in flue dust analytical unit pass through control cable and are connected with control unit；
Unburned carbon in flue dust analytical unit lower part is equipped with ash discharging hole.
Preferably, gas solid separation unit is cyclone separator.
Preferably, CO concentration analysis unit testing core component is electrochemical sensor.
Preferably, unburned carbon in flue dust analytical unit is electrothermal furnace.
Preferably, it is provided at probe tube, anti-blowpipe, the concentration analysis unit inlet CO and unburned carbon in flue dust controllable
Valve is connect with control unit.
Preferably, the connecting tube of CO concentration analysis unit is furnished with heating device.
Preferably, CO concentration analysis unit and unburned carbon in flue dust analytical unit can combined operating or separated operations.
The utility model realizes CO and combines on-line checking with unburned carbon in flue dust, can be dense to the CO in boiler smoke simultaneously
Degree and unburned carbon in flue dust effectively real-time monitoring, to provide guidance for boiler operatiopn.
Detailed description of the invention
Fig. 1 is that a kind of CO provided by the utility model combines on-line detecting system structural schematic diagram with unburned carbon in flue dust.
Specific embodiment
The utility model is described in further detail below in conjunction with specific embodiment, example is served only for explaining this
Utility model is not intended to limit the scope of the utility model.
As shown in Figure 1, the utility model, which provides a kind of CO, combines on-line detecting system with unburned carbon in flue dust comprising have with
Lower part:
Gas solid separation unit 9, CO concentration analysis unit 8, unburned carbon in flue dust analytical unit 6, backflush unit 3 and control unit
5, which is characterized in that the gas solid separation unit 9 is connected with probe tube 1；Backflush unit 3 is connected with anti-blowpipe 2；The probe tube
1 is connected with anti-blowpipe 2；Backflush unit 3, CO concentration analysis unit 8 and unburned carbon in flue dust analytical unit 6 pass through control cable 4-
1,4-2,4-3 are connected with control unit 5；6 lower part of unburned carbon in flue dust analytical unit is equipped with ash discharging hole 7.
Based on the above technical solution, the present invention can also have following further specific choice.
In one example, gas solid separation unit is cyclone separator.
In one example, CO concentration analysis unit is electrochemical sensor, and test method is electrochemical measuring method.
In one example, unburned carbon in flue dust analytical unit core test cell is electrothermal furnace, and test method is that burning is lost
Weight method is determined by measuring enough flying dusts weight loss under 800 DEG C of air atmospheres.
In one example, it is provided at probe tube, anti-blowpipe, the concentration analysis unit inlet CO and unburned carbon in flue dust
Controllable valve is connected with control unit, is opened and is adjusted by control unit control.
In one example, the connecting tube of CO concentration analysis unit is furnished with heating device, prevents flue gas condensing from bringing CO dense
Spend measurement error.
In one example, CO concentration analysis unit and unburned carbon in flue dust analytical unit combined operating or separated operation, fortune
Row mode is controllable in control unit.
In one example, blowback system intermittence is run, and generally every 1-4 hours, utilizes blowback system blowback ash one
Secondary, holding time is 4-10 minutes, avoids probe tube surface contamination and coking.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (7)
1. a kind of CO combines on-line detecting system, including gas solid separation unit (9), CO concentration analysis unit with unburned carbon in flue dust
(8), unburned carbon in flue dust analytical unit (6), backflush unit (3) and control unit (5), which is characterized in that the gas solid separation list
First (9) are connected with probe tube (1)；Backflush unit (3) is connected with anti-blowpipe (2)；The probe tube (1) is connected with anti-blowpipe (2)；
Backflush unit (3), CO concentration analysis unit (8) and unburned carbon in flue dust analytical unit (6) pass through control cable (4-1,4-2,4-
3) it is connected with control unit (5)；Unburned carbon in flue dust analytical unit (6) lower part is equipped with ash discharging hole (7).
2. a kind of CO according to claim 1 combines on-line detecting system with unburned carbon in flue dust, wherein the gas solid separation
Unit (9) is cyclone separator.
3. a kind of CO according to claim 1 combines on-line detecting system with unburned carbon in flue dust, wherein the CO concentration point
Analysing unit (8) is electrochemical sensor.
4. a kind of CO according to claim 1 combines on-line detecting system with unburned carbon in flue dust, wherein the flying marking
Amount analytical unit is electrothermal furnace.
5. a kind of CO according to claim 1 combines on-line detecting system with unburned carbon in flue dust, wherein the probe tube, anti-
Blowpipe, the concentration analysis unit inlet CO and unburned carbon in flue dust analytical unit inlet are provided with controllable valve, single with control
Member is connected.
6. a kind of CO according to claim 1 combines on-line detecting system with unburned carbon in flue dust, wherein the CO concentration point
The connecting tube for analysing unit is furnished with heating device.
7. a kind of CO according to claim 1 combines on-line detecting system with unburned carbon in flue dust, wherein the CO concentration point
Analyse unit and unburned carbon in flue dust analytical unit combined operating or isolated operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012333.2U CN209486031U (en) | 2018-12-03 | 2018-12-03 | A kind of CO combines on-line detecting system with unburned carbon in flue dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012333.2U CN209486031U (en) | 2018-12-03 | 2018-12-03 | A kind of CO combines on-line detecting system with unburned carbon in flue dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209486031U true CN209486031U (en) | 2019-10-11 |
Family
ID=68117658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822012333.2U Active CN209486031U (en) | 2018-12-03 | 2018-12-03 | A kind of CO combines on-line detecting system with unburned carbon in flue dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209486031U (en) |
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2018
- 2018-12-03 CN CN201822012333.2U patent/CN209486031U/en active Active
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