CN203443320U - Furnace body pressure measuring device of pellet shaft furnace - Google Patents
Furnace body pressure measuring device of pellet shaft furnace Download PDFInfo
- Publication number
- CN203443320U CN203443320U CN201320572257.5U CN201320572257U CN203443320U CN 203443320 U CN203443320 U CN 203443320U CN 201320572257 U CN201320572257 U CN 201320572257U CN 203443320 U CN203443320 U CN 203443320U
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- Prior art keywords
- pressure
- stove
- furnace
- pressure pipe
- shaft furnace
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Abstract
The utility model provides a furnace body pressure measuring device of a pellet shaft furnace. The device comprises a furnace pressure obtaining tube and a pressure measuring part, wherein a blowing device used for blowing accumulated dust in a pipeline into the pellet shaft furnace is arranged between the furnace pressure obtaining tube and the pressure measuring part; the blowing device comprises a dust collector, the dust collector is connected with the end, extending out of a furnace body, of the furnace pressure obtaining tube, the lower portion of the dust collector is in serial connection with a dust discharge valve, the upper portion of the dust collector is connected with the pressure measuring part through a dedusted pressure obtaining tube, and the dedusted pressure obtaining tube is provided with a pressure obtaining valve; a blowing air pipeline is connected with the dedusted pressure obtaining tube between the pressure obtaining valve and the dust collector, and the blowing air pipeline is provided with a blowing valve. The furnace body pressure measuring device is simple in structure, easy to operate and convenient to maintain, solves the technical problem that detection of pressure in the pellet shaft furnace can not be finished due to pipeline blocking, and achieves long-time on-line stable measurement of pressure of the furnace body of the pellet shaft furnace, and large popularization and use value is achieved.
Description
Technical field
The utility model relates to 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 conventional pellet production technology, 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 palletizing shaft furnace bottom, discharges.Green-ball in descending process through super-dry, preheating, roasting, cooling age ball.In production process, need to blast cold wind by palletizing shaft furnace salband, 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 when by stock column becomes hot blast, and ripe ball is cooled, and heat upwards transmits and is conducive to the preheating of green-ball and is dried with Air Flow.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 and produce.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 stops up, and after stopping up, just can not normally measure 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 in the utility model, 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, has solved in prior art because line clogging cannot be to the normal technical problem detecting of palletizing shaft furnace internal pressure, the utility model has been realized long-term online stably measured palletizing shaft furnace shaft pressure, has very large popularizing value.
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 is obtained furnace pressure and is measured by pressure pipe in stove, and the feature of this programme is: in stove, between pressure pipe and pressure measurement unit, be also provided with for the laying dust in pipeline is blown into the blow device in palletizing shaft furnace; Described blow device comprises dust arrester, described dust arrester is connected with one end that pressure pipe in stove stretches out outside body of heater, 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; After the dirt between pressure measuring valve and dust arrester, on pressure pipe, be also connected with sweep gas pipeline, sweep gas pipeline is provided with blow down valve.
The feature of this programme also has, and described pressure measurement unit is pressure transmitter; Described pressure transmitter is positioned at outside body of heater; In described stove, one 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; One 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 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, in stove, between pressure pipe and pressure measurement unit, be also provided with for the laying dust in pipeline is blown into the blow device in palletizing shaft furnace, by the switching between each valve body state in pipeline, can form two kinds of pipelines: furnace pressure signal piping and dust cleaning pipeline, can regularly to the laying dust in pipeline, detect cleaning, prevent pipeline blockage, thereby solved in prior art because line clogging cannot be to the normal technical problem detecting of palletizing shaft furnace internal pressure, 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 there is a very large popularizing value.As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment.
Fig. 2 dust board and with stove in the structural representation of pressure pipe annexation.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the left view of 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, a kind of palletizing shaft furnace shaft device for pressure measurement described in this programme, comprise pressure pipe 2 and pressure measurement unit in stove, pressure measurement unit is obtained furnace pressure and is measured by pressure pipe in stove 2, pressure measurement unit in the utility model is pressure transmitter 9, is also provided with for the laying dust in pipeline is blown into the blow device in palletizing shaft furnace in stove between pressure pipe 2 and pressure measurement unit; Described pressure transmitter 9 is positioned at outside body of heater; In described stove, one 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 is connected with one end that pressure pipe 2 in stove stretches out outside body of heater, and the bottom of dust arrester 3 is in series with ash-valve 8, when furnace air enters after dust arrester 3, airborne dust is subject to effect of weight to fall to 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; After the dirt between pressure measuring valve 5 and dust arrester 3, on pressure pipe 4, be also connected with sweep gas pipeline 7, sweep gas pipeline 7 is provided with blow down valve 6.
One 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 pelletizing radius, prevents that in stove, pelletizing enters 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 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, and be communicated with pressure transmitter 9 by pressure pipe 4, pressure measuring valve 5 after pressure pipe 2, dust arrester 3, dirt in dust board 1, stove, mineralization pressure signal piping, carries out online pressure detecting.
Close pressure measuring valve 5 and open blow down valve 6, ash-valve 8, 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, form dust cleaning pipeline, compressed air is blown into the laying dust in pipeline in stove by sweep gas pipeline, and the laying dust in dust arrester 3 is discharged from ash-valve 8 in the effect of malleation and deadweight.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of utility model is described; but the not restriction 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 modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (8)
1. a palletizing shaft furnace shaft device for pressure measurement, comprise pressure pipe and pressure measurement unit in stove, pressure measurement unit is obtained furnace pressure and is measured by pressure pipe in stove, it is characterized in that: in stove, between pressure pipe and pressure measurement unit, be also provided with for the laying dust in pipeline is blown into the blow device in palletizing shaft furnace; Described blow device comprises dust arrester, described dust arrester is connected with one end that pressure pipe in stove stretches out outside body of heater, 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; After the dirt between pressure measuring valve and dust arrester, on pressure pipe, be also connected with sweep gas pipeline, sweep gas pipeline is provided with blow down valve.
2. palletizing shaft furnace shaft device for pressure measurement according to claim 1, is characterized in that: described pressure measurement unit is pressure transmitter.
3. palletizing shaft furnace shaft device for pressure measurement according to claim 2, 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, one 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.
5. according to the palletizing shaft furnace shaft device for pressure measurement described in claim 1 or 4, it is characterized in that: one 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 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, 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 |
|---|---|---|---|
| CN201320572257.5U CN203443320U (en) | 2013-09-16 | 2013-09-16 | Furnace body pressure measuring device of pellet shaft furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572257.5U CN203443320U (en) | 2013-09-16 | 2013-09-16 | Furnace body pressure measuring device of pellet shaft furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443320U true CN203443320U (en) | 2014-02-19 |
Family
ID=50094361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320572257.5U Expired - Fee Related CN203443320U (en) | 2013-09-16 | 2013-09-16 | Furnace body pressure measuring device of pellet shaft furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453762A (en) * | 2013-09-16 | 2013-12-18 | 济钢集团有限公司 | Furnace body pressure measuring device for pellet shaft furnace |
-
2013
- 2013-09-16 CN CN201320572257.5U patent/CN203443320U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453762A (en) * | 2013-09-16 | 2013-12-18 | 济钢集团有限公司 | Furnace body pressure measuring device for pellet shaft furnace |
| CN103453762B (en) * | 2013-09-16 | 2015-06-17 | 济钢集团有限公司 | Furnace body pressure measuring device for pellet shaft furnace |
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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: 20140219 Termination date: 20160916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |