CN204740184U - Flying dust recovery unit of unburned carbon in flue dust on line measurement system - Google Patents
Flying dust recovery unit of unburned carbon in flue dust on line measurement system Download PDFInfo
- Publication number
- CN204740184U CN204740184U CN201520433056.6U CN201520433056U CN204740184U CN 204740184 U CN204740184 U CN 204740184U CN 201520433056 U CN201520433056 U CN 201520433056U CN 204740184 U CN204740184 U CN 204740184U
- Authority
- CN
- China
- Prior art keywords
- dust
- measurement system
- unburned carbon
- line measurement
- flue
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- 239000000428 dust Substances 0.000 title claims abstract description 88
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 29
- 239000003500 flue dust Substances 0.000 title claims abstract description 26
- 238000005259 measurement Methods 0.000 title claims abstract description 26
- 238000011084 recovery Methods 0.000 title abstract description 5
- 230000005693 optoelectronics Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000001354 calcination Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses a flying dust recovery unit of unburned carbon in flue dust on line measurement system, the on -line screen storage device comprises a base, fixed connection fixed plate on the base, connect the telescoping device on the fixed plate, the telescoping device passes through the connecting rod and connects the suction head, the suction head is connected through the hose and the air ejector of emanating, the air ejector of emanating intercommunication flue, fixed tray pivot is connected with the tray on the base in the tray pivot, and the tray can rotate around the tray pivot, connect the pointer on the connecting rod, the pointer cooperatees with photoelectric switch. The utility model discloses a flying dust recovery unit suction head is equipped with down pump orifice and side pump orifice simultaneously, can effectively prevent terminal surface and crucible bottom direct contact under the suction head, guarantees the suction of the flying dust in the crucible totally. Through using this device, can thoroughly retrieve flying dust clean up, improved the measurement accuracy of unburned carbon in flue dust on line measurement system.
Description
Technical field
The utility model relates to a kind of dust ram of unburned carbon in flue dust on-line measurement system.
Background technology
Unburned carbon in flue dust is one of technical indicator of coal-fired boiler in thermal power plant most critical, it reflects the size of boiler Mechanical adsorption.Unburned carbon in flue dust is too high, reflects that boiler wind coal proportion is unreasonable, incomplete combustion, not only causes cost of electricity-generating to raise, and also increases the discharge of solid particle, the use value of flyash is reduced, also causes serious impact to environment; Unburned carbon in flue dust is too low, and air excess is described, a large amount of heat energy is discharged by flue, can reduce boiler efficiency equally, increases the discharge of oxides of nitrogen.The daily monitoring of boiler flyash carbon content is to guaranteeing that the economic environmental protection of fired power generating unit runs significant.
Compared with routine laboratory analysis method, unburned carbon in flue dust on-line measurement system can real-time carbon content and carbon content variation tendency in monitor boiler combustion process, for boiler optimization burning provides reliable foundation.Operating personnel can adjust operation mode at any time, unburned carbon in flue dust is controlled at optimum range, make boiler often keep optimum condition to run, reach reduction cost of electricity-generating, improve the object that energy utilization rate is beneficial to again environmental protection, have huge realistic meaning for China's sustainable development of socio-economy.
Now conventional unburned carbon in flue dust On-line Measuring Method has microwave method and ignition loss method.Ignition loss method unburned carbon in flue dust on-line measurement system compared with microwave method, have that measuring accuracy is high, measurement result retardation time be short, measurement result not by advantages such as coal type change affect, thus more and more applied in production scene, fuel-burning power plant.This system mainly comprises sampling unit, measuring unit and control module, and wherein the course of work of measuring unit is shown in Fig. 1, and measuring unit completes flying dust automatically to processes such as sample, samples weighing, sample calcination, flying dust recovery.Flying dust to sample be by sampling unit get flying dust and put into empty crucible; Samples weighing takes quality by electronic balance respectively to crucible after crucible, calcination after empty crucible, application of sample; Sample calcination is sent in electric furnace by got flying dust to carry out high temperature sintering, will wherein burnout by carbon residue; Flying dust reclaim be by calcination after flying dust again enter flue.
Flying dust recovery is an important step of the inustion unburned carbon in flue dust on-line measurement system course of work, the calcination method unburned carbon in flue dust on-line measurement system dust ram used now often occurs that in crucible, flying dust cleaning is not thorough, remaining flying dust is left in crucible, cause measuring error, have impact on measuring accuracy.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of dust ram for unburned carbon in flue dust on-line measurement system, flying dust can be cleaned out, thoroughly reclaim.
For achieving the above object, the utility model adopts following technical proposals:
A dust ram for unburned carbon in flue dust on-line measurement system, comprises base, and described base is fixedly connected with fixed head; Described fixed head connects retractor device, and retractor device connects dust collecter by connecting rod; Described dust collecter is connected with air ejector of emanating by flexible pipe, and air ejector of emanating is communicated with flue; On described base, fixed tray rotating shaft, tray rotating shaft is connected with pallet, and pallet can rotate around tray rotating shaft; Concatenation pointer on described connecting rod, pointer matches with optoelectronic switch.
Described retractor device is cylinder.
Multiple perforate offered vertically by described pallet, in perforate, is provided with crucible.
Described dust collecter comprises dust collecter cylinder, and described dust collecter column body is provided with suction chamber, and suction chamber is connected with flexible pipe by hose connection; Described dust collecter cylinder top is provided with joint, is connected with connecting rod.
Lower pump orifice is offered in described dust collecter cylinder lower end.
Further, described dust collecter cylinder lower side is provided with side pump orifice.
Described fixed head comprises top board and side plate, and top board is fixedly connected with side plate; Described retractor device and air ejector of emanating all are fixed on top board.
Described optoelectronic switch is fixed on side plate by optoelectronic switch support.
The beneficial effects of the utility model are:
Dust ram dust collecter of the present utility model is provided with lower pump orifice and side pump orifice simultaneously, can effectively prevent dust collecter lower surface from directly contacting with crucible bottom, guarantees clean for the flying dust suction in crucible.By using this device, flying dust can be cleaned out, thoroughly reclaiming, improve the measuring accuracy of unburned carbon in flue dust on-line measurement system.
Accompanying drawing explanation
Fig. 1 is inustion on-line measurement system measuring process schematic diagram in the utility model background technology;
Fig. 2 is the structural representation of the utility model dust ram;
Fig. 3 is the structural representation of the utility model dust collecter;
In figure, 1 emanates air ejector, 2 flexible pipes, 3 air cylinder fixed plate, 4 cylinders, 5 pointers, 6 connecting rods, 7 dust collecters, 8 crucibles, 9 pallets, 10 tray rotating shaft, 11 bases, 12 optoelectronic switches, 13 optoelectronic switch supports, 14 dust collecter cylinders, 15 side pump orifices, 16 times pump orifices, 17 suction chamber, 18 hose connections, 19 connecting rods and dust collecter joint.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 2, the structure of unburned carbon in flue dust on-line measurement system dust ram, primarily of the composition such as air ejector 1 of emanating, soft 2 pipes, air cylinder fixed plate 3, cylinder 4, pointer 5, optoelectronic switch 12, optoelectronic switch support 13, connecting rod 6, dust collecter 7, crucible 8, pallet 9, tray rotating shaft 10, base 11.
As shown in Figure 3, dust collecter 7 is made up of dust collecter cylinder 14, side pump orifice 15, lower pump orifice 16, suction chamber 17, hose connection 18, connecting rod and dust collecter joint 19.
Air ejector 1 of emanating is fixed in air cylinder fixed plate 3, and effect is to provide suction power.Flexible pipe 2 one end is connected on air ejector 1 pump orifice of emanating, and the other end is connected on the hose connection 18 of dust collecter 7, for the flying dust be extracted provides transfer passages.Air cylinder fixed plate 3 is mainly emanate air ejector 1 and cylinder 4 and provides fixed position.Pointer 5 is fixed on connecting rod 6, with optoelectronic switch 12 with the use of.Connecting rod 6 one end connects on the piston rod, and the other end connects dust collecter 7, centre position fixed pointers 5.Connecting rod 6, dust collecter 7, pointer 5 all can move up and down with piston rod.Dust collecter 7 can be moved downward to 8 li, crucible with piston rod and be taken away by the flying dust of the inside.Ash sample is deposited in the effect of crucible 8.Pallet 9 circumferentially has several hole, in order to place crucible 8.Pallet 9 can rotate in tray rotating shaft 10.The effect of base 11 mainly provides support for whole device.Optoelectronic switch 12 is fixed on optoelectronic switch support 13, coordinates indicate the upper-lower position of dust collecter 7 in crucible 8 with pointer 5.Dust collecter cylinder 14 is dust collecter main body, and the effect of side pump orifice 15 is that the effect of lower pump orifice 16 aspirates flying dust below dust collecter cylinder 14 end from dust collecter cylinder 14 end sides suction flying dust.The effect of suction chamber 17 is the flying dust mixing will come from all pump orifice suctions.Flying dust in suction chamber 17, for connecting hose 2, is drawn in flexible pipe 2 by hose connection 18.The effect of connecting rod and dust collecter joint 19 is fixed on by dust collecter 7 on connecting rod 6 and moves up and down with connecting rod 6.
The course of work of the present utility model and principle as described below:
Calcination method flying dust on-line measurement system normally runs, and the flying dust be placed in crucible 8 turns to flying dust with pallet 9 and reclaims position and stop after calcination.Cylinder 4 piston rod drivening rod 6 moves down, and dust collecter 7 also moves down thereupon.When dust collecter 7 lower surface soon close to bottom crucible 8 time, be fixed on pointer 5 on connecting rod 6 just in time through optoelectronic switch 12, optoelectronic switch 12 sends signal, and cylinder 4 piston rod stops mobile.Air ejector 1 of emanating starts to pass into pressurized air, produces suction force.Under the effect of suction force, the flying dust bottom crucible 8 enters suction chamber 17 from the lower pump orifice 16 of dust collecter 7 and side pump orifice 15, then enters by flexible pipe 2 air ejector 1 of emanating, is finally discharged into flue.Aspirate after 1 minute, the flying dust in crucible 8 is sucked totally.Cylinder 4 piston rod drivening rod 6 moves up, and dust collecter 7 also moves up thereupon, and dust collecter 7 leaves crucible, gets back to initial position.Empty crucible 8 turns to again flying dust to sample position with pallet 9, carries out next one circulation.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. a dust ram for unburned carbon in flue dust on-line measurement system, is characterized in that, comprises base, and described base is fixedly connected with fixed head; Described fixed head connects retractor device, and retractor device connects dust collecter by connecting rod; Described dust collecter is connected with air ejector of emanating by flexible pipe, and air ejector of emanating is communicated with flue; On described base, fixed tray rotating shaft, tray rotating shaft is connected with pallet, and pallet can rotate around tray rotating shaft; Concatenation pointer on described connecting rod, pointer matches with optoelectronic switch.
2. the dust ram of unburned carbon in flue dust on-line measurement system as claimed in claim 1, it is characterized in that, described retractor device is cylinder.
3. the dust ram of unburned carbon in flue dust on-line measurement system as claimed in claim 1, is characterized in that, multiple perforate offered vertically by described pallet, is provided with crucible in perforate.
4. the dust ram of unburned carbon in flue dust on-line measurement system as claimed in claim 1, it is characterized in that, described dust collecter comprises dust collecter cylinder, and described dust collecter column body is provided with suction chamber, and suction chamber is connected with flexible pipe by hose connection; Described dust collecter cylinder top is provided with joint, is connected with connecting rod.
5. the dust ram of unburned carbon in flue dust on-line measurement system as claimed in claim 4, it is characterized in that, lower pump orifice is offered in described dust collecter cylinder lower end.
6. the dust ram of unburned carbon in flue dust on-line measurement system as claimed in claim 5, it is characterized in that, described dust collecter cylinder lower side is provided with side pump orifice.
7. the dust ram of unburned carbon in flue dust on-line measurement system as claimed in claim 1, it is characterized in that, described fixed head comprises top board and side plate, and top board is fixedly connected with side plate; Described retractor device and air ejector of emanating all are fixed on top board.
8. the dust ram of unburned carbon in flue dust on-line measurement system as claimed in claim 7, it is characterized in that, described optoelectronic switch is fixed on side plate by optoelectronic switch support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520433056.6U CN204740184U (en) | 2015-06-19 | 2015-06-19 | Flying dust recovery unit of unburned carbon in flue dust on line measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520433056.6U CN204740184U (en) | 2015-06-19 | 2015-06-19 | Flying dust recovery unit of unburned carbon in flue dust on line measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204740184U true CN204740184U (en) | 2015-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520433056.6U Active CN204740184U (en) | 2015-06-19 | 2015-06-19 | Flying dust recovery unit of unburned carbon in flue dust on line measurement system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204740184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843465A (en) * | 2017-10-31 | 2018-03-27 | 国网山东省电力公司电力科学研究院 | A kind of two-stage type fume duct fly ash sampler |
-
2015
- 2015-06-19 CN CN201520433056.6U patent/CN204740184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843465A (en) * | 2017-10-31 | 2018-03-27 | 国网山东省电力公司电力科学研究院 | A kind of two-stage type fume duct fly ash sampler |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |