CN103453762A - Furnace body pressure measuring device for pellet shaft furnace - Google Patents
Furnace body pressure measuring device for pellet shaft furnace Download PDFInfo
- Publication number
- CN103453762A CN103453762A CN201310420655XA CN201310420655A CN103453762A CN 103453762 A CN103453762 A CN 103453762A CN 201310420655X A CN201310420655X A CN 201310420655XA CN 201310420655 A CN201310420655 A CN 201310420655A CN 103453762 A CN103453762 A CN 103453762A
- Authority
- CN
- China
- Prior art keywords
- pressure
- stove
- furnace
- pressure pipe
- shaft furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides a technical scheme of a furnace body pressure measuring device for a pellet shaft furnace. According to the technical scheme, the furnace body pressure measuring equipment comprises an in-furnace pressure obtaining tube and a pressure measuring component, wherein a blowing and sweeping device is arranged between the in-furnace pressure obtaining tube and the pressure measuring component, and used for blowing stacked dust in a pipeline into the pellet shaft furnace; the blowing and sweeping device comprises a dust collector; the dust collector is connected with one end of the in-furnace pressure obtaining tube, which stretches out of the furnace body; the lower part of the dust collector is connected in series with an ash valve; the upper part of the dust collector is connected with the pressure measuring component through a dusted pressure obtaining tube; a pressure obtaining valve is arranged on the dusted pressure obtaining tube; a blowing and sweeping air pipeline is connected onto the dusted pressure obtaining tube between the pressure obtaining valve and the dust collector; a blowing and sweeping valve is arranged on the blowing and sweeping air pipeline. The furnace body pressure measuring device for the pellet shaft furnace is simple in structure, easy to operate, and convenient to maintain, and solves the technical problem that the inner pressure of the pellet shaft furnace can not be measured due to pipeline blocking in the prior art, and achieves long-time on-line stable measurement of the inner pressure of the pellet shaft furnace, and has great promotion and use values.
Description
Technical field
What the present invention relates to is a kind of device for pressure measurement, especially a kind of palletizing shaft furnace shaft device for pressure measurement.
Background technology
Palletizing shaft furnace technique is a kind of pellet production technology commonly used, is mainly that green-ball is carried out to high-temperature roasting, makes the ripe ball that mechanical strength is higher.Green-ball enters stove from palletizing shaft furnace top cloth, is subject to effect of weight sequentially by dry zone, preheating zone, roasting band, salband, from the palletizing shaft furnace bottom, discharges.Green-ball in descending process through super-dry, preheating, roasting, cooling age ball.Need to blast cold wind by the palletizing shaft furnace salband in production process, cold wind is up to furnace roof by the gap between stock column from bottom to top and discharges from flue.The heat that cold wind absorbs in the ripe ball of high temperature by stock column the time becomes hot blast, and ripe ball is cooled, and heat upwards transmits with Air Flow preheating and the drying that is conducive to green-ball.The impact of the factors such as the mobile material feeding post shapes of air in palletizing shaft furnace, permeability of stock column is uneven distribution, the fast regional air pressure of flowing velocity is low in theory, the slow regional air pressure of flowing velocity is high, by detect each pressure of shaft can reacting furnace in gas flow rates distribute and the variation of permeability of stock column, instruct operating personnel's discharge to adjust gas permeability in stove, optimize palletizing shaft furnace production.But the impact due to high temperature in palletizing shaft furnace and dust, the long-term online stable operation at the scene of conventional pressure checking device, easily stop up, and after stopping up, just can not normally measure the shaft furnace internal pressure, thereby affect the production efficiency of pelletizing, this is the existing weak point of prior art.
Summary of the invention
Technical problem to be solved by this invention, be exactly for the existing deficiency of prior art, and provide a kind of technical scheme of palletizing shaft furnace shaft device for pressure measurement, this programme is simple in structure, easy operating, maintenance and repair is convenient, and having solved can't be to the normal technical problem detected of palletizing shaft furnace internal pressure because of line clogging in the prior art, the present invention has realized long-term online stably measured palletizing shaft furnace shaft pressure, and very large popularizing value is arranged.
This programme is achieved by the following technical measures: a kind of palletizing shaft furnace shaft device for pressure measurement, comprise pressure pipe and pressure measurement unit in stove, pressure measurement unit obtains furnace pressure and is measured by pressure pipe in stove, and the characteristics of this programme are: in stove, between pressure pipe and pressure measurement unit, also be provided with for the laying dust by pipeline and be blown into the blow device in palletizing shaft furnace; Described blow device comprises dust arrester, described dust arrester stretches out the outer end of body of heater with pressure pipe in stove and is connected, the bottom of described dust arrester is in series with ash-valve, and the top of this dust arrester pressure pipe after dirt is connected with described pressure measurement unit, and after dirt, pressure pipe is provided with pressure measuring valve; Also be connected with the sweep gas pipeline after the dirt between pressure measuring valve and dust arrester on pressure pipe, the sweep gas pipeline is provided with blow down valve.
The characteristics of this programme also have, and described pressure measurement unit is pressure transmitter; Described pressure transmitter is positioned at outside body of heater; In described stove, an end of pressure pipe is positioned at body of heater, and in stove, pressure pipe passes furnace wall and stretches out outside body of heater; The end that in described stove, pressure pipe stretches in body of heater connects dust board; Described dust board is evenly distributed with over against the position of pressure pipe in stove square hole or the non-circular hole that the length of side is the pelletizing radius; In described stove, pressure pipe is provided with semicircle hole near the bottom of dust board; The lower limb of described dust board is lower than the lower limb of pressure pipe in described stove.
The beneficial effect of this programme can be learnt according to the narration to such scheme, this programme comprises pressure pipe and pressure measurement unit in stove, also be provided with for the laying dust by pipeline and be blown into the blow device in palletizing shaft furnace between pressure pipe and pressure measurement unit in stove, can form two kinds of pipelines by the switching between each valve body state in pipeline: furnace pressure signal piping and dust cleaning pipeline, can regularly to the laying dust in pipeline, detect cleaning, prevent pipeline blockage, can't be to the normal technical problem detected of palletizing shaft furnace internal pressure because of line clogging in the prior art thereby solved, realized long-term online stably measured palletizing shaft furnace shaft pressure, guarantee that instrument is operated in optimum Working, this apparatus structure is simple, maintenance and repair is convenient, thereby very large popularizing value arranged.As can be seen here, the present invention compared with prior art, has outstanding substantive distinguishing features and significant progressive, and the beneficial effect of its enforcement is also apparent.
The accompanying drawing explanation
The structural representation that Fig. 1 is the specific embodiment of the invention.
Fig. 2 dust board reaches the structural representation with the interior pressure pipe annexation of stove.
The top view that Fig. 3 is Fig. 2.
The left view that Fig. 4 is Fig. 2.
Wherein, 1 dust board, pressure pipe in 2 stoves, 3 dust arresters, pressure pipe after 4 dirt, 5 pressure measuring valves, 6 blow down valves, 7 sweep gas pipelines, 8 ash-valves, 9 pressure transmitters, 10 furnace walls, 11 is semicircle hole.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, below by a specific embodiment, and, in conjunction with its accompanying drawing, this programme is set forth.
By accompanying drawing, can find out, the described a kind of palletizing shaft furnace shaft device for pressure measurement of this programme, comprise pressure pipe 2 and pressure measurement unit in stove, pressure measurement unit obtains furnace pressure and is measured by pressure pipe in stove 2, pressure measurement unit in the present invention is pressure transmitter 9, in stove, between pressure pipe 2 and pressure measurement unit, also is provided with for the laying dust by pipeline and is blown into the blow device in palletizing shaft furnace; Described pressure transmitter 9 is positioned at outside body of heater; In described stove, an end of pressure pipe 2 is positioned at body of heater, and in stove, pressure pipe 2 passes furnace wall 10 and stretches out outside body of heater.
Described blow device comprises dust arrester 3, dust arrester 3 tops are cylindrical, bottom is conical, be arranged on 10 outsides, furnace wall, described dust arrester 3 stretches out the outer end of body of heater with pressure pipe 2 in stove and is connected, and the bottom of dust arrester 3 is in series with ash-valve 8, after furnace air enters dust arrester 3, airborne dust is subject to effect of weight to fall to the lower cone part, by regularly opening ash-valve 8, dust can be discharged; The top of dust arrester 3 pressure pipe 4 after dirt is connected with described pressure transmitter 9, and after dirt, pressure pipe 4 is longer, plays the effect of pilot and heat of cooling air, can effectively avoid the impact of high temperature on pressure transmitter 9; After dirt, pressure pipe 4 is provided with pressure measuring valve 5; Also be connected with sweep gas pipeline 7 on pressure pipe 4 after the dirt between pressure measuring valve 5 and dust arrester 3, sweep gas pipeline 7 is provided with blow down valve 6.
The end that pressure pipe 2 stretches in body of heater in described stove connects dust board 1, and dust board 1 is evenly distributed with over against the position of pressure pipe 2 in stove square hole or the non-circular hole that the length of side is the pelletizing radius, prevents that in stove, pelletizing enters the pressure pipeline, guarantees the unimpeded of pressure pipeline.The lower limb of dust board 1 is lower than the lower limb of pressure pipe 2 in described stove, and in stove, pressure pipe 2 is provided with semicircle hole 11 near dust board 1 bottom, and while being conducive to purge, dust is blown in stove, and pore radius is about the pelletizing radius.
This programme can form two kinds of pipelines by the switching of each valve body state in pipeline: furnace pressure signal piping and dust cleaning pipeline.
Open pressure measuring valve 5 shut-down purge valve 6, ash-valve 8, form pressure pipeline in stove by pressure pipe 4, pressure measuring valve 5 after pressure pipe 2, dust arrester 3, dirt in dust board 1, stove, and be communicated with pressure transmitter 9, the mineralization pressure signal piping, carry out online pressure detecting.
Close pressure measuring valve 5 and open blow down valve 6, ash-valve 8, form the dust cleaning pipeline by pressure pipe 4, blow down valve 6, sweep gas pipeline 7, ash-valve 8 after pressure pipe 2, dust arrester 3, dirt in dust board 1, stove, compressed air is blown into the laying dust in pipeline in stove by the sweep gas pipeline, and the laying dust in dust arrester 3 is discharged from ash-valve 8 in the effect of malleation and deadweight.
Pressure measuring valve 5, blow down valve 6, ash-valve 8 can adopt manually-operated gate manually to purge, also can adopt the automatic valves such as magnetic valve, supporting automatic control means realize Long-distance Control, especially regularly purge or purge during pressure anomaly and control, also can adopt manually and the hybrid mode of automatic valve.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of inventing is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (8)
1. a palletizing shaft furnace shaft device for pressure measurement, comprise pressure pipe and pressure measurement unit in stove, pressure measurement unit obtains furnace pressure and is measured by pressure pipe in stove, it is characterized in that: in stove, between pressure pipe and pressure measurement unit, also be provided with for the laying dust by pipeline and be blown into the blow device in palletizing shaft furnace; Described blow device comprises dust arrester, described dust arrester stretches out the outer end of body of heater with pressure pipe in stove and is connected, the bottom of described dust arrester is in series with ash-valve, and the top of this dust arrester pressure pipe after dirt is connected with described pressure measurement unit, and after dirt, pressure pipe is provided with pressure measuring valve; Also be connected with the sweep gas pipeline after the dirt between pressure measuring valve and dust arrester on pressure pipe, the sweep gas pipeline is provided with blow down valve.
2. palletizing shaft furnace shaft device for pressure measurement according to claim 1, it is characterized in that: described pressure measurement unit is pressure transmitter.
3. palletizing shaft furnace shaft device for pressure measurement according to claim 2, it is characterized in that: described pressure transmitter is positioned at outside body of heater.
4. palletizing shaft furnace shaft device for pressure measurement according to claim 1 is characterized in that: in described stove, an end of pressure pipe is positioned at body of heater, and in stove, pressure pipe is through furnace wall and stretch out outside body of heater.
5. according to the described palletizing shaft furnace shaft of claim 1 or 4 device for pressure measurement, it is characterized in that: the end that in described stove, pressure pipe stretches in body of heater connects dust board.
6. palletizing shaft furnace shaft device for pressure measurement according to claim 5 is characterized in that: described dust board is evenly distributed with over against the position of pressure pipe in stove square hole or the non-circular hole that the length of side is the pelletizing radius.
7. palletizing shaft furnace shaft device for pressure measurement according to claim 5 is characterized in that: in described stove, pressure pipe is provided with semicircle hole near the bottom of dust board.
8. palletizing shaft furnace shaft device for pressure measurement according to claim 5, it is characterized in that: the lower limb of described dust board is lower than the lower limb of pressure pipe in described stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420655.XA CN103453762B (en) | 2013-09-16 | 2013-09-16 | Furnace body pressure measuring device for pellet shaft furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420655.XA CN103453762B (en) | 2013-09-16 | 2013-09-16 | Furnace body pressure measuring device for pellet shaft furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103453762A true CN103453762A (en) | 2013-12-18 |
| CN103453762B CN103453762B (en) | 2015-06-17 |
Family
ID=49736396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310420655.XA Expired - Fee Related CN103453762B (en) | 2013-09-16 | 2013-09-16 | Furnace body pressure measuring device for pellet shaft furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103453762B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6568277B1 (en) * | 1998-03-04 | 2003-05-27 | Electricite De France Service National | Method and device for measuring pressure inside a steam generator |
| CN201382839Y (en) * | 2009-03-20 | 2010-01-13 | 山东福田药业有限公司 | Pressure measuring and pressuring device |
| CN201837498U (en) * | 2010-10-15 | 2011-05-18 | 胡平杰 | Combined type anti-blocking pressure measuring and tapping device |
| CN102954855A (en) * | 2011-08-30 | 2013-03-06 | 南京梅山冶金发展有限公司 | Pressure leading device for gas pressure detection device of annular sleeve kiln |
| CN202916041U (en) * | 2012-10-24 | 2013-05-01 | 建业庆松集团有限公司 | Flue gas pressure measuring blocking prevention device |
| CN203024584U (en) * | 2012-12-12 | 2013-06-26 | 宝钢集团新疆八一钢铁有限公司 | Blowing device of pressure-sampling tube of air bellow of sintering machine |
| CN203443320U (en) * | 2013-09-16 | 2014-02-19 | 济钢集团有限公司 | Furnace body pressure measuring device of pellet shaft furnace |
-
2013
- 2013-09-16 CN CN201310420655.XA patent/CN103453762B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6568277B1 (en) * | 1998-03-04 | 2003-05-27 | Electricite De France Service National | Method and device for measuring pressure inside a steam generator |
| CN201382839Y (en) * | 2009-03-20 | 2010-01-13 | 山东福田药业有限公司 | Pressure measuring and pressuring device |
| CN201837498U (en) * | 2010-10-15 | 2011-05-18 | 胡平杰 | Combined type anti-blocking pressure measuring and tapping device |
| CN102954855A (en) * | 2011-08-30 | 2013-03-06 | 南京梅山冶金发展有限公司 | Pressure leading device for gas pressure detection device of annular sleeve kiln |
| CN202916041U (en) * | 2012-10-24 | 2013-05-01 | 建业庆松集团有限公司 | Flue gas pressure measuring blocking prevention device |
| CN203024584U (en) * | 2012-12-12 | 2013-06-26 | 宝钢集团新疆八一钢铁有限公司 | Blowing device of pressure-sampling tube of air bellow of sintering machine |
| CN203443320U (en) * | 2013-09-16 | 2014-02-19 | 济钢集团有限公司 | Furnace body pressure measuring device of pellet shaft furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103453762B (en) | 2015-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106516753A (en) | Storehouse pump ash conveying device | |
| CN203443320U (en) | Furnace body pressure measuring device of pellet shaft furnace | |
| CN103453762B (en) | Furnace body pressure measuring device for pellet shaft furnace | |
| CN103234350A (en) | Hot air supply system for belt type roasting machine | |
| CN206407636U (en) | Blow tank conveying device | |
| CN203454776U (en) | Material temperature testing and control device for sintered pellet ring cooler | |
| CN104943124A (en) | Material gathering device | |
| CN202676242U (en) | High temperature radar charge level indicator device | |
| CN204058500U (en) | Blast furnace radar stock rod measuring system | |
| CN203037086U (en) | Closed cell perlite stock bin device | |
| CN106840311B (en) | Material level detection device | |
| CN204148194U (en) | A kind of pipe tobacco cleaning plant of cigarette ventilation resistance to suction unit | |
| CN204228228U (en) | Cork dry quenching disposable dust remover material-level detecting device | |
| CN203849278U (en) | Wear prevention and blocking prevention speed measurement tube suitable for on-line measurement | |
| CN203705010U (en) | Material level detection device of dry quenching dust remover | |
| CN208653090U (en) | A kind of coal tower drying system | |
| CN202786315U (en) | Improved oxygen lance nitrogen seal device | |
| CN205138264U (en) | Novel pressure wind air heat exchanger device | |
| CN206788085U (en) | A kind of online dew-point detecting device | |
| CN105785065A (en) | Power station boiler wind speed on-line monitoring system and speed measuring method | |
| CN203096104U (en) | Sampling and temperature-measuring device for blast-furnace gas | |
| CN104164521B (en) | A kind of method checking straight blowing pipe of blast furnace inner blower pressure | |
| CN203586678U (en) | Efficient vertical suspension downstream dryer | |
| CN103159213B (en) | Discharge coil pipe system | |
| CN204325412U (en) | AOD furnace rectification systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20180916 |