CN109489441A - Low temperature chlorination furnace block cleaning plant and method for cleaning - Google Patents
Low temperature chlorination furnace block cleaning plant and method for cleaning Download PDFInfo
- Publication number
- CN109489441A CN109489441A CN201811365665.7A CN201811365665A CN109489441A CN 109489441 A CN109489441 A CN 109489441A CN 201811365665 A CN201811365665 A CN 201811365665A CN 109489441 A CN109489441 A CN 109489441A
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- side chamber
- low temperature
- furnace body
- temperature chlorination
- furnace
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The invention discloses a kind of low temperature chlorination furnace block cleaning plant and method for cleaning, belong to fluidization chloridising roasting technical field, solve the problems, such as that existing low temperature chlorination furnace cannot clear up block material in furnace body.The technical solution adopted by the present invention is that: exhanst gas outlet is arranged in low temperature chlorination furnace block cleaning plant, including furnace body, furnace body top, and the first pressure measuring unit is arranged in upper of furnace body, and multiple air inlets are arranged in the bottom of furnace body, and the second pressure measuring unit is arranged in any air inlet;The bottom of the side wall of furnace body is to one side chamber of protrusion setting on the outside of furnace body, and side chamber connects scum pipe, places cleaning blade in side chamber, and cleaning blade includes connecting rod and push plate, and push plate is located in side chamber, and one end of connecting rod is pierced by the through-hole of side chamber and is located at outside side chamber.Low temperature chlorination furnace block method for cleaning monitors producing pressure differential, and producing pressure differential continues to produce when being not more than steady production pressure difference, otherwise back and forth pushes cleaning blade, block material is cleared up to deslagging tube side-by-side.
Description
Technical field
The invention belongs to fluidization chloridising roasting technical field, especially a kind of gas-solid fluidized bed block cleaning plant
And Hand scarf method.
Background technique
During low temperature chlorination furnace production run, often occurs block material accumulation in bed, these blocks have some next
From the bulky grain or hardened material in raw material, there are also some in chlorination furnace operational process because of localized hyperthermia or overchlorinated makes
At bonding, in addition, falling off material and other bulk materials also from refractory material in furnace.Block material is in chlorination hearth layer
After interior accumulation reaches constant weight, fluidized state will be destroyed, and accelerate the formation of blocky bonding in furnace, be eventually led to dead
Furnace.
Conventional boiling chloridizing furnace, can be effectively by block material with residue in process of production from the regular deslagging of bottom centre
Chlorination furnace is discharged, the accumulation of block material in furnace is effectively relieved, is provided safeguard for steady production.But the furnace of low temperature chlorination furnace
Bottom is provided with air inlet pipeline, and due to the particularity of bottom construction, can only be open deslagging from furnace bottom wall surface, leads to furnace bottom block material
Accumulation, final dead furnace.
Therefore, develop it is a kind of can judge whether furnace bottom block material obviously occurs, and can Hand scarf block material
Device and method for cleaning are very necessary.
Summary of the invention
The present invention mentioned a kind of low temperature chlorination furnace block cleaning plant, and solving existing low temperature chlorination furnace cannot be in furnace body
Block material cleared up, block material destroy fluidized state the problem of.
The technical solution adopted by the present invention to solve the technical problems is: low temperature chlorination furnace block cleaning plant, including
Furnace body, the top of furnace body are arranged exhanst gas outlet, and the top of furnace body also sets up the first pressure measuring unit, the bottom setting of furnace body it is multiple into
The second pressure measuring unit is arranged in port, any air inlet;
The bottom of the side wall of furnace body is connected to one side chamber of protrusion setting, side chamber on the outside of furnace body with furnace interior, and side chamber connects
Connect scum pipe, through-hole is arranged far from one end of furnace body in side chamber, places cleaning blade in side chamber, and cleaning blade includes connecting rod and be connected to
The push plate of connecting rod one end, push plate are located in side chamber, and one end of connecting rod is pierced by the through-hole of side chamber and extends to outside side chamber, lead to
Sealing ring with connecting rod cooperation is set at hole.
Further, the position in the side chamber close to through-hole also sets up air seal structure.
Specifically, the air seal structure are as follows: at least one annular groove is arranged in side chamber, air inlet pipe, ring is arranged at annular groove
Ball sealer is placed in shape slot, the connecting rod of cleaning blade runs through annular groove, and plane where annular groove is vertical with the connecting rod of cleaning blade,
Gap between the cell wall and connecting rod of annular groove is less than the diameter of ball sealer.
Further, two annular grooves, the top of two annular grooves is continuously arranged in the side in the side chamber far from furnace body
An air inlet pipe is respectively set in portion, and ball sealer is arranged in annular groove.
Specifically, the ball sealer is Al2O3Bead, Al2O3The diameter of bead is 5~15mm;The cell wall of annular groove and company
Gap between extension bar is 1~3mm.
Further, the bottom surface of the side chamber and the bottom surface of furnace body are generally aligned in the same plane, the middle part wall surface of side chamber or bottom
Scum pipe is arranged in portion's wall surface.
Further, the angle of the axis direction of the axis direction and side chamber of the scum pipe is 30 °~120 °.It is preferred that
, the angle of the axis direction of the axis direction and side chamber of the scum pipe is 90 °.
The present invention also provides a kind of low temperature chlorination furnace block method for cleaning, pass through any of the above-described low temperature chlorination furnace block
Cleaning plant clears up the block material in bed in low temperature chlorination furnace production process, comprising the following steps:
S1. the air inlet of furnace body is passed through chlorine, monitors admission pressure by the second pressure measuring unit;Pass through the first pressure measuring unit
Monitor bed of material upper pressure;
S2. admission pressure subtracts bed of material upper pressure and obtains producing pressure differential, when producing pressure differential is not more than steady production pressure difference
Continue to produce, otherwise back and forth pushes cleaning blade, block material is cleared up to scum pipe, then block material is discharged by scum pipe
Furnace body.
Further, the position in the side chamber close to through-hole also sets air seal structure, in low temperature chlorination furnace production process,
Nitrogen is continually fed into air seal structure;The steady production pressure difference is 2kPa.
The beneficial effects of the present invention are: low temperature chlorination furnace block cleaning plant, by the reciprocating motion of cleaning blade by block
Shape material is cleaned to deslagging tube side-by-side and goes out, and is conducive to maintain normal fluidized state, extends the production run period;And cleaning block
Shape material only needs either automatically or manually to move back and forth cleaning blade, easy to operate.
Air seal structure is set close to the position of through-hole in side chamber, air seal structure and sealing ring improve leakproofness, by multiple
Sealing makes low temperature chlorination furnace production process substantially without pernicious gas leakage and dust pollution, to have the advantages that environmentally protective.
Low temperature chlorination furnace block method for cleaning, easy to operate effective, when producing pressure differential rises obviously, i.e., producing pressure differential is big
When steady production pressure difference, that is, it can determine whether that there are obvious caking phenomenons, so that it may clear up to deslagging tube side-by-side by block material, prolong
The long production period.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of low temperature chlorination furnace block cleaning plant of the present invention.
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1.
Components, position and number in figure: furnace body 1, exhanst gas outlet 2, the first pressure measuring unit 3, air inlet 4, second survey pressure
Device 5, side chamber 6, scum pipe 7, cleaning blade 8, connecting rod 8-1, push plate 8-2, sealing ring 9, annular groove 10, air inlet pipe 11, sealing
Ball 12;The bed of material 13.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1, cigarette is arranged in low temperature chlorination furnace block cleaning plant of the present invention, including furnace body 1, the top of furnace body 1
Gas outlet 2, the top of furnace body 1 also set up the first pressure measuring unit 3, and the first pressure measuring unit 3 is for measuring 13 top of the bed of material in furnace body 1
Pressure.Multiple air inlets 4 are arranged in the bottom of furnace body 1, and the second pressure measuring unit 5 is arranged in any air inlet 4, and second surveys press fitting
5 are set for measuring the admission pressure of air inlet pipeline.
The bottom of the side wall of furnace body 1 is to one side chamber 6 of protrusion setting on the outside of furnace body 1, and example is as shown in figure 1 in 1 side wall of furnace body
A side chamber 6 is arranged to protrusion on the right side of furnace body 1 in bottom, is connected to inside side chamber 6 and furnace body 1.The bottom surface of side chamber 6 and the bottom of furnace body 1
Face is generally aligned in the same plane, and scum pipe 7 is arranged in the middle part wall surface or bottom wall of side chamber 6.For example, as shown in Figure 1, the bottom of side chamber 6
Scum pipe 7 is arranged in portion.Scum pipe 7 for collecting and being discharged block material, preferably straight down or oblique divide by scum pipe 7
It sets.Specifically, the angle of the axis direction of scum pipe 7 and the axis direction of side chamber 6 is 30 °~120 °.For example, scum pipe 7
The angle of axis direction and the axis direction of side chamber 6 is 90 °, i.e. scum pipe 7 is arranged straight down, as depicted in figs. 1 and 2.
Through-hole is arranged far from one end of furnace body 1 in side chamber 6, and cleaning blade 8 is placed in side chamber 6, and cleaning blade 8 includes connecting rod 8-1
It is located in side chamber 6 with the push plate 8-2 for being connected to the one end connecting rod 8-1, push plate 8-2, one end of connecting rod 8-1 is pierced by side chamber 6
Through-hole simultaneously extends to outside side chamber 6.The part connecting rod 8-1 is located in side chamber 6, is partially located at outside side chamber 6.Side chamber 6 is far from furnace body 1
The through-hole of one end is for placing connecting rod 8-1, in order to guarantee the airtightness of through-hole, through hole setting and connecting rod 8-1 cooperation
Sealing ring 9.
Side chamber 6 is connected to completely with furnace body 1, and for the airtightness for improving side chamber 6, the position in side chamber 6 close to through-hole is also set up
Air seal structure closes through-hole by inert gas, avoids release of toxic gas.Specifically, air seal structure are as follows: side chamber
At least one annular groove 10 is set in 6, and annular groove 10, which is located at the position of 6 through-hole of proximal chamber, annular groove 10, is arranged air inlet pipe
11, it can be ventilated into annular groove 10 by air inlet pipe 11, realize sealing gland.Ball sealer 12, ball sealer 12 are also placed in annular groove 10
It selects opposite 1 internal environment of furnace body to be made of the material of inert material, avoids participating in reacting, substantially reduce the bed of material 13 and enter annular
Slot 10.Gap between the cell wall and connecting rod 8-1 of annular groove 10 is less than the diameter of ball sealer 12, avoids ball sealer 12 from annular
Slot 10 enters side chamber 6.The connecting rod 8-1 of cleaning blade 8 runs through annular groove 10, the connection of annular groove 10 place plane and cleaning blade 8
Bar 8-1 is vertical.Such as shown in Fig. 2, two annular grooves 10 are continuously arranged in the side in side chamber 6 far from furnace body 1.Two annular grooves 10
Top be respectively set an air inlet pipe 11, ball sealer 12 is set in annular groove 10, and ball sealer 12 is Al2O3Bead, Al2O3It is small
The diameter of ball is 5~15mm, while the gap between the cell wall of annular groove 10 and connecting rod 8-1 is 1~3mm.
For side chamber 6 for the components such as scum pipe 7 and cleaning blade 8 to be arranged, the bottom of side chamber 6 is preferably plane, and with furnace body 1
In same plane.The vertical section of side chamber 6 can be in rectangle or other polygonal shapes.
Low temperature chlorination furnace block method for cleaning of the present invention, by above-mentioned low temperature chlorination furnace block cleaning plant to low temperature
Block material in chlorination furnace production process in bed is cleared up, comprising the following steps:
S1. the air inlet 4 of furnace body 1 is passed through chlorine, monitors admission pressure by the second pressure measuring unit 5;Pressure is surveyed by first
Device 3 monitors bed of material upper pressure.
S2. admission pressure subtracts bed of material upper pressure and obtains producing pressure differential, when producing pressure differential is not more than steady production pressure difference
Continue to produce, otherwise back and forth push cleaning blade 8, block material is cleared up to scum pipe 7, then passes through scum pipe 7 for block material
Furnace body 1 is discharged.Finally, closing scum pipe 7, block material Hand scarf is completed.
Producing pressure differential is real time data, to related low temperature chlorination furnace production process, reflects and produces in real time in furnace body 1
Situation.Steady production pressure difference is that furnace body 1 block material not yet obviously occurs, admission pressure and the bed of material upper pressure when producing normal
Pressure difference, can be obtained by statistics.Producing pressure differential obviously rises, and is greater than 2kPa, judges obviously occur block in furnace body
Material.It is reciprocal to push cleaning blade 8, it is manually operable, can also be realized by mechanical device.Handle is arranged in the exposed junction of connecting rod 8-1
Or the jointing with mechanical device cooperation.In order to avoid cleaning blade 8 impacts the process in furnace body 1, cleaning blade 8 is best
It is placed in side of the side chamber 6 far from furnace body 1.
In side chamber 6 in the position of through-hole setting air seal structure, low temperature chlorination furnace production process, held into air seal structure
It is continuous to be passed through nitrogen, by multi-sealed, make low temperature chlorination furnace production process substantially without pernicious gas leakage and dust pollution.
Claims (10)
1. exhanst gas outlet (2) are arranged in the top of low temperature chlorination furnace block cleaning plant, including furnace body (1), furnace body (1), furnace body
(1) top is also set up the first pressure measuring unit (3), and multiple air inlets (4), any air inlet is arranged in the bottom of furnace body (1)
(4) the second pressure measuring unit (5) are set;It is characterized by:
To one side chamber (6) of protrusion setting on the outside of furnace body (1), side chamber (6) and furnace body (1) are internal for the bottom of the side wall of furnace body (1)
Connection, side chamber (6) connect scum pipe (7), and through-hole is arranged far from the one end of furnace body (1) in side chamber (6), place cleaning in side chamber (6)
It shovels (8), cleaning blade (8) includes connecting rod (8-1) and the push plate (8-2) for being connected to the one end connecting rod (8-1), the position push plate (8-2)
In side chamber (6), one end of connecting rod (8-1) is pierced by the through-hole of side chamber (6) and extends to side chamber (6) outside, through hole setting
With the sealing ring (9) of connecting rod (8-1) cooperation.
2. low temperature chlorination furnace block cleaning plant as described in claim 1, it is characterised in that: close in the side chamber (6)
The position of through-hole also sets up air seal structure.
3. low temperature chlorination furnace block cleaning plant as claimed in claim 2, it is characterised in that: the air seal structure are as follows: side
At least one annular groove (10) is set in chamber (6), air inlet pipe (11) are set at annular groove (10), sealing is placed in annular groove (10)
The connecting rod (8-1) of ball (12), cleaning blade (8) runs through annular groove (10), the company of plane and cleaning blade (8) where annular groove (10)
Vertically, the gap between the cell wall and connecting rod (8-1) of annular groove (10) is less than the diameter of ball sealer (12) to extension bar (8-1).
4. low temperature chlorination furnace block cleaning plant as claimed in claim 3, it is characterised in that: separate in the side chamber (6)
Two annular grooves (10) are continuously arranged in the side of furnace body (1), and an air inlet pipe is respectively set at the top of two annular grooves (10)
(11), ball sealer (12) are set in annular groove (10).
5. low temperature chlorination furnace block cleaning plant as claimed in claim 3, it is characterised in that: the ball sealer (12) is
Al2O3Bead, Al2O3The diameter of bead is 5~15mm;Gap between the cell wall and connecting rod (8-1) of annular groove (10) is 1
~3mm.
6. the low temperature chlorination furnace block cleaning plant as described in Claims 1 to 5 any claim, it is characterised in that: institute
The bottom surface of the bottom surface and furnace body (1) of stating side chamber (6) is generally aligned in the same plane, and deslagging is arranged in wall surface or bottom wall in the middle part of side chamber (6)
It manages (7).
7. the low temperature chlorination furnace block cleaning plant as described in Claims 1 to 5 any claim, it is characterised in that: institute
The angle for stating the axis direction of scum pipe (7) and the axis direction of side chamber (6) is 30 °~120 °.
8. low temperature chlorination furnace block cleaning plant as claimed in claim 7, it is characterised in that: the axis of the scum pipe (7)
The angle of the axis direction in line direction and side chamber (6) is 90 °.
9. low temperature chlorination furnace block method for cleaning, it is characterised in that: pass through 1~8 any claim institute of the claims
The low temperature chlorination furnace block cleaning plant stated clears up the block material in bed in low temperature chlorination furnace production process, packet
Include following steps:
S1. the air inlet (4) of furnace body (1) is passed through chlorine, monitors admission pressure by the second pressure measuring unit (5);It is surveyed by first
Pressure device (3) monitors bed of material upper pressure;
S2. admission pressure subtracts bed of material upper pressure and obtains producing pressure differential, and producing pressure differential continues when being not more than steady production pressure difference
Otherwise production back and forth pushes cleaning blade (8), block material is cleared up to scum pipe (7), then pass through scum pipe (7) for block
Material discharge furnace body (1).
10. low temperature chlorination furnace block method for cleaning as claimed in claim 9, it is characterised in that: close in the side chamber (6)
The position of through-hole also sets air seal structure, and in low temperature chlorination furnace production process, nitrogen is continually fed into air seal structure;The stabilization
Producing pressure differential is 2kPa.
Priority Applications (1)
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CN201811365665.7A CN109489441B (en) | 2018-11-16 | 2018-11-16 | Low temperature chlorination furnace block cleaning plant and method for cleaning |
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CN201811365665.7A CN109489441B (en) | 2018-11-16 | 2018-11-16 | Low temperature chlorination furnace block cleaning plant and method for cleaning |
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CN109489441A true CN109489441A (en) | 2019-03-19 |
CN109489441B CN109489441B (en) | 2019-11-08 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN87208821U (en) * | 1987-06-08 | 1988-10-05 | 北京重型机器厂 | Dreg scraper |
CN201992969U (en) * | 2011-04-14 | 2011-09-28 | 黑龙江奥宇石墨集团有限公司 | Energy-saving environmental-protection combustion furnace of drier |
CN205783043U (en) * | 2016-05-27 | 2016-12-07 | 中国大唐集团科学技术研究院有限公司华中分公司 | A kind of batch (-type) biomass boiler feeding mechanism |
CN206419947U (en) * | 2017-01-24 | 2017-08-18 | 郑州三众耐磨技术有限公司 | CFB boiler bottom deslagging slag device |
CN206846725U (en) * | 2017-04-20 | 2018-01-05 | 深圳市宏远达环境发展有限公司 | A kind of waste incinerator for garbage disposal center |
-
2018
- 2018-11-16 CN CN201811365665.7A patent/CN109489441B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87208821U (en) * | 1987-06-08 | 1988-10-05 | 北京重型机器厂 | Dreg scraper |
CN201992969U (en) * | 2011-04-14 | 2011-09-28 | 黑龙江奥宇石墨集团有限公司 | Energy-saving environmental-protection combustion furnace of drier |
CN205783043U (en) * | 2016-05-27 | 2016-12-07 | 中国大唐集团科学技术研究院有限公司华中分公司 | A kind of batch (-type) biomass boiler feeding mechanism |
CN206419947U (en) * | 2017-01-24 | 2017-08-18 | 郑州三众耐磨技术有限公司 | CFB boiler bottom deslagging slag device |
CN206846725U (en) * | 2017-04-20 | 2018-01-05 | 深圳市宏远达环境发展有限公司 | A kind of waste incinerator for garbage disposal center |
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