CN107188440B - The broken dry flour production line of ardealite - Google Patents
The broken dry flour production line of ardealite Download PDFInfo
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- CN107188440B CN107188440B CN201710543996.4A CN201710543996A CN107188440B CN 107188440 B CN107188440 B CN 107188440B CN 201710543996 A CN201710543996 A CN 201710543996A CN 107188440 B CN107188440 B CN 107188440B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
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- Chemical & Material Sciences (AREA)
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- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a kind of broken dry flour production lines of ardealite, including rotary kiln (3), crusher, frying furnace and ball mill, ardealite wet basis is admitted to crusher after drying and dewatering in rotary kiln (3) and is crushed, then using the calcining of frying furnace and ball mill grinding finished product land plaster, the rotary kiln (3) is mounted between kiln head cover (1) and kiln tail smoke-box (2), rotary kiln (3) is Anti-blockage ardealite high temperature rotary kiln, and frying furnace is type air blast phosphogypsum powder frying furnace.The anti-blocking spiral for avoiding blocking is equipped in rotary kiln, rotary kiln toasts section and is equipped with the flow deflector for improving transmission speed, cooling zone is equipped with the water-cooling structure that substitution cooler cools down to material, and the structure for improving frying furnace improves the efficiency of production line processing ardealite, production cost is reduced, the enthusiasm that enterprise utilizes ardealite is improved.
Description
Technical field
The present invention relates to ardealite processing equipment field, in particular to the broken dry flour production line of a kind of ardealite.
Background technique
Monoammonium phosphate is a kind of fire-retardant, extinguishing chemical well, be widely used in timber, paper, fabric it is fire-retardant, while also using
Make dispersing agent, the agent of enamel glaze, the compounding agent of fireproof coating, dry powder fire extinguishing agent of fiber process and dye industry, medicine and print
Dataller's industry etc. also has use.There is wet process to produce monoammonium phosphate and thermal method production monoammonium phosphate by manufacturing process point, with national and at different levels
The strict control that department uses the energy, since its production energy consumption is lower than thermal phosphoric acid, product index is able to satisfy more phosphoric acid by wet process
Aspect requirement replaces thermal phosphoric acid in some field phosphoric acid by wet processes substantially, and the market share is 90% or more.
Main By product is ardealite, our times phosphoric acid by wet process gross annual output amount about 2.6 hundred million during Wet-process Phosphoric Acid Production
Ton (in terms of P2O5), about 1.5 hundred million tons of by-product ardealite, utilization rate only 4.3%-4.6%.It is expected that China arrives the year two thousand twenty phosphate fertilizer
(P2O5) demand will be up to 1.3 hundred million tons, and ardealite annual emissions will be more than 20,000,000 tons at that time, and be only 2%- currently with rate
3%.Most of associated production enterprises all select ardealite direct emission not only taking up a large amount of soils, and can generation environment dirt
Dye.The main reason for causing this phenomenon first is that in the market lack profession processing ardealite equipment, if enterprise is given birth to other
Producing line substitution, production efficiency is too low, and profit margin is little, and production is short of power.
For example, be method more mature in current ardealite application with ardealite production building gypsum, ardealite is net
Change processing, removes phosphate, fluoride, organic matter and soluble-salt therein, complies with the requirement of construction material.After purification
Ardealite slough free water and the crystallization water through drying, calcining, then aged can be made into semi-hydrated gypsum (i.e. building gypsum).But
Ardealite after long-term stacking would generally generate a large amount of agglomeration, these agglomeration volumes are big, and internal moisture is not easy to evaporate, when dry
It can usually accumulate and result in blockage in rotary kiln, seriously affect ardealite processing efficiency.
In addition, the high-temperature material that rotary kiln generates often needs to be cooled to certain temperature, Fang Kejin in ardealite drying course
Row conveying is stored and is further processed.Conventional way is to install cooler additional in the end of rotary kiln at present, passes through cooling
Machine takes away the heat on material.But a large amount of electric energy can be consumed in the cooler course of work, equipment operating cost is higher, and
The long-term operational failure rate of machine can constantly rise, and production line can not continuous and steady operation.
Summary of the invention
The purpose of the present invention is a kind of broken dry flour production line of ardealite is provided, in rotary kiln according to the above problem
Interior setting material-blockage preventing device avoids blocking, and substitutes cooler in rotary kiln cooling zone setting water-cooling structure and cools down to material,
And the structure for improving frying furnace improves the efficiency of production line processing ardealite, reduces production cost, improves the utilization rate of ardealite.
The purpose of the present invention is achieved through the following technical solutions: the broken dry flour production line of ardealite, including
Rotary kiln, crusher, frying furnace and ball mill, ardealite wet basis are admitted to crusher in rotary kiln and carry out brokenly after drying and dewatering
Broken, then using the calcining of frying furnace and ball mill grinding finished product land plaster, the Rotary kiln installation is in kiln head cover and kiln
Between tail smoke-box, rotary kiln is followed successively by preheating zone, intermediate zone, clinkering zone and cooling zone from kiln head cover to kiln tail smoke-box, described
Rotary kiln is Anti-blockage ardealite high temperature rotary kiln, and the cooling zone of rotary kiln is equipped with water-cooling structure, and the frying furnace is air blast
Type phosphogypsum powder frying furnace.
Preferably, the preheating zone of the Anti-blockage ardealite high temperature rotary kiln, intermediate zone and clinkering zone inner wall are equipped with circle
The spiral yarn shaped flow deflector of column, rotary kiln is interior to be equipped with anti-blocking spiral, the central axis of the anti-blocking spiral and the center of rotary kiln
The high order end of axis collinear, anti-blocking spiral is located at kiln head cover discharge port center by first support bar, the low level of anti-blocking spiral
End is located at kiln tail smoke-box feed inlet center by second support bar.
Preferably, the kiln head cover discharge outlet is equipped with motor, and the motor is fixed on kiln hood by first support bar
At the center of cover discharge port, high order end and the machine shaft of anti-blocking spiral are fixedly linked, and the low order end of anti-blocking spiral passes through second
Support rod is rotatably provided at kiln tail smoke-box feed inlet center.
Preferably, the cooling zone inner wall of the Anti-blockage ardealite high temperature rotary kiln is equipped with the linear cooling of cylindrical screw
Waterpipe, one end flow ipe of the cooling water from close kiln tail smoke-box.Cooling equipment can be integrated with rotary kiln, it is entire to produce
Line has good continuity, greatly improves the process velocity of ardealite, reduces processing cost.
Preferably, the bung flange diameter of the anti-blocking spiral is the 35-50% of rotary kiln inner ring diameter, and the width of flow deflector is
The section of the 15-25% of rotary kiln inner radii, the cooling water pipeline are rectangle, and cooling water pipeline includes lateral sidewall and spiral
Inner wall, the distance of the spiral inner wall to rotary kiln inner wall and flow deflector it is of same size.Can according to ardealite agglomeration amount and
The flow deflector of the difference of moisture content, anti-blocking spiral and different in width that different thicknesses are arranged adjusts heap of the material in rotary kiln
Accumulated amount obtains a preferable balance between drying effect and rate of drying.
Preferably, the inclination angle of the rotary kiln is 3-4.5 degree, and the lift angle of flow deflector is 10-20 degree, cooling water pipeline
Lift angle is identical as the lift angle of flow deflector.When rotary kiln rotation, material is along flow deflector or cooling water pipeline flow forward, due to
The lift angle of flow deflector and cooling water pipeline is larger, and faster, processing efficiency is higher for the speed that material advances.
Preferably, it is equipped with the heat insulation loop of oxidation aluminium material between the clinkering zone and cooling zone, avoids temperature shock pair
Kiln body impacts, and extends the time between overhauls(TBO), increases service life of equipment.
Preferably, the heat insulation loop is externally provided with heat dissipating ring, on the one hand can reinforce and connect knot between clinkering zone and cooling zone
On the other hand structure can increase the heat dissipation area of heat insulation loop, the heat that junction is accumulated scatters and disappears from kiln wall in time, reduce heat
Flow into cooling zone.
Preferably, the type air blast phosphogypsum powder frying furnace includes shell, frying heat pipe and partition, the top of the shell
Portion is equipped with material inlet and exhaust outlet, and the side wall of shell is equipped with discharge port and thermal current refluxing opening, and the partition is mounted on shell
Interior lower part, partition are equipped with blast orifice, and blast orifice is equipped with blast cap, and the hot-fluid sprayed from blast orifice can be formed surely in shell
Fixed ascending air does not fall out ardealite differential suspension on partition in shell.Frying heat pipe is installed in parallel to each other
In the top of partition, the height of the frying heat pipe between partition and discharge port, the height of partition be located at frying heat pipe with
Between thermal current refluxing opening, the entrance of frying heat pipe connects high temperature hot gas stream source, the outlet of frying heat pipe by reflux tracheae with
The connection of thermal current refluxing opening.
Preferably, in neighbouring two layers of frying heat pipe high temperature hot gas stream flow direction on the contrary, guarantee shell in same level
Temperature on face is identical, convenient for by the ardealite even partition of different moisture content in different height.
The invention has the benefit that
(1) flow deflector, the heat when material flows in the groove between flow deflector, on rotary kiln are equipped in rotary kiln
Material can be passed to from three directions, flow deflector increases the contact area of material and rotary kiln, improves drying rate;
(2) anti-blocking spiral is set in rotary kiln, the material scraper above flow deflector can will be accumulated in by anti-blocking spiral
Get off, ardealite is avoided to block rotary kiln completely;
(3) anti-blocking spiral be mounted on motor with rotary kiln opposite direction rotate, can improve so anti-blocking spiral relative to time
The velocity of rotation of rotary kiln further increases the dredging ability and feeding speed of anti-blocking spiral;
(4) setting cooling water pipeline replaces cooler to cool down the material of high temperature rapidly, in order to be conveyed to material,
It stores and is further processed, do not use powerful refrigeration equipment, power consumption is few, and use cost is low;
(5) with the water cooled pipeline of pure mechanic structure instead of relying on the cooler of motor operation, failure rate is low, when equipment can be long
Between stable operation;
(6) cooling water pipeline is that the circular helix shape dress being attached on rotary kiln inner wall is set, material cooling water pipeline it
Between groove in flowing when, the heat on material can equally transmit outward from three directions, and cooling velocity is fast;
(7) speed of rotary kiln drying ardealite is greatly improved after flow deflector, anti-blocking spiral and water-cooling structure are set,
Processing cost and energy consumption are reduced, the performance of enterprises is improved, improves ardealite utilization rate, reduce environmental pollution;
(8) the gypsum moisture comparision contents having just enter into frying furnace are big, can swim in the middle lower layer of frying furnace by hot air drying
It is dry, the less land plaster lighter weight of moisture content, and also thermal fluidity is good, floats on the intracorporal top of frying furnace shell from discharging
Mouth discharge, uniform in quality;
(9) high temperature hot gas stream calcines material by frying heat pipe, and ardealite will not be contacted directly with heat source, avoids
Introduce other impurities polluted product;
(10) high temperature hot gas stream enters in shell after flowing out out of frying heat pipe through thermal current refluxing opening, makes full use of hot gas
Remaining heat is flowed, capacity usage ratio is improved.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the front view of kiln head cover of the present invention;
Fig. 3 is the front view of kiln tail smoke-box of the present invention;
Fig. 4 is the structural schematic diagram of flow deflector of the present invention;
Fig. 5 is the structural schematic diagram of cooling water pipeline of the present invention;
Fig. 6 is the cross-sectional view at heat insulation loop of the present invention;
Fig. 7 is the structural schematic diagram of frying furnace of the present invention;
Fig. 8 is the structural perspective of frying furnace of the present invention;
Fig. 9 is the schematic view of the mounting position of blast cap of the present invention;
Figure 10 is the structural schematic diagram of frying heat pipe of the present invention;
In figure: 1- kiln head cover, 1.1- kiln head cover discharge port, 1.2- first support bar, 2- kiln tail smoke-box, 2.1- kiln tail smoke-box
Feed inlet, 2.2- second support bar, 2.3- bearing, 3- rotary kiln, the preheating zone 3.1-, 3.2- intermediate zone, 3.3- clinkering zone, 3.4-
Cooling zone, the anti-blocking spiral of 4-, 5- heat insulation loop, 6- cooling water pipeline, 6.1- lateral sidewall, 6.2- spiral inner wall, 7- flow deflector, 8- electricity
Machine, 9- heat dissipating ring, 10- shell, 11- frying heat pipe, 11.1-, which radiates, changes piece, 12- partition, 12.1- blast orifice, 12.2- blast cap,
13- material inlet, 14- exhaust outlet, 15- discharge port, 16- thermal current refluxing opening.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1 and Figure 7, the broken dry flour production line of ardealite, including rotary kiln 3, crusher, frying furnace and ball
Grinding machine, ardealite wet basis are admitted to crusher after drying and dewatering in rotary kiln 3 and are crushed, and then calcine using frying furnace
With ball mill grinding finished product land plaster, the rotary kiln 3 is mounted between kiln head cover 1 and kiln tail smoke-box 2, rotary kiln 3 from
Kiln head cover 1 is followed successively by preheating zone 3.1, intermediate zone 3.2, clinkering zone 3.3 and cooling zone 3.4 to kiln tail smoke-box 3.
As an improvement, as shown in Figure 1, setting Anti-blockage ardealite high temperature rotary kiln for the rotary kiln 3.Described
It is linear that preheating zone 3.1, intermediate zone 3.2 and 3.3 inner wall of clinkering zone of Anti-blockage ardealite high temperature rotary kiln are equipped with cylindrical screw
Flow deflector 7(such as Fig. 4), when material flows in the groove between flow deflector 7, the heat on rotary kiln 3 can be from three sides
To material is passed to, flow deflector 7 increases the contact area of material Yu rotary kiln 3, improves drying rate.In rotary kiln 3
Equipped with anti-blocking spiral 4, the anti-blocking spiral 4 can be auger structure, the central axis of anti-blocking spiral 4 and the center of rotary kiln 3
The high order end of axis collinear, anti-blocking spiral 4 is located at 1.1 center of kiln head cover discharge port by first support bar 1.2, anti-blocking spiral
4 low order end is located at 2.1 center of kiln tail smoke-box feed inlet by second support bar 2.2, can will be accumulated by anti-blocking spiral 4
Material above flow deflector 7 scrapes off, and ardealite is avoided to block rotary kiln 3 completely.
As shown in Fig. 2, being equipped with motor 8 at the kiln head cover discharge port 1.1, the motor 8 passes through first support bar 1.2
It is fixed at the center of kiln head cover discharge port 1.1, high order end and 8 shaft of motor of anti-blocking spiral 4 are fixedly linked, anti-blocking spiral 4
Low order end be rotatably provided at 2.1 center of kiln tail smoke-box feed inlet by second support bar 2.2.It is anti-blocking when equipment operation
Spiral 4 and 3 opposite direction of rotary kiln rotate, and can improve velocity of rotation of the anti-blocking spiral 4 relative to rotary kiln 3 in this way, further mention
The dredging ability and feeding speed of high anti-blocking spiral 4.As a further improvement, as shown in figure 3, the low level of the anti-blocking spiral 4
End is connect by bearing 2.3 with second support bar 2.2, and seat ring and the second support bar 2.2 of bearing 2.3 are fixedly linked, bearing 2.3
Blowout patche be fixedly connected with anti-blocking spiral 4.
As shown in figure 5,3.4 inner wall of cooling zone of above-mentioned Anti-blockage ardealite high temperature rotary kiln is linear equipped with cylindrical screw
Cooling water pipeline 6, cooling water from close to kiln tail smoke-box 2 one end flow ipe.It is replaced with the water cooled pipeline 6 of pure mechanic structure
By the cooler of motor operation, failure rate is low, equipment energy long-time steady operation.And it is set without using powerful refrigeration
Standby, power consumption is few, and use cost is low.
The bung flange diameter of the anti-blocking spiral 4 is the 35-50% of 3 inner ring diameter of rotary kiln, and the width of flow deflector 7 is revolution
The 15-25% of 3 inner radii of kiln, the section of the cooling water pipeline 6 are rectangle, and cooling water pipeline 6 includes lateral sidewall 6.1 and spiral shell
Medial rotation wall 6.2, distance and the flow deflector 7 of the spiral inner wall 6.2 to 3 inner wall of rotary kiln it is of same size.It can be according to phosphorus stone
The flow deflector 7 of the difference of cream agglomeration amount and moisture content, anti-blocking spiral 4 and different in width that different thicknesses are arranged exists to adjust material
Accumulating amount in rotary kiln 3 obtains a preferable balance between drying effect and rate of drying.
Preferably, the inclination angle of the rotary kiln 3 is 3-4.5 degree, the lift angle of flow deflector 7 is 10-20 degree, cooling water
The lift angle of pipeline 6 is identical as the lift angle of flow deflector 7.When rotary kiln 3 rotates material along flow deflector 7 or cooling water pipeline 6 to
Preceding flowing, since the lift angle of flow deflector 7 and cooling water pipeline 6 is larger, material transmission speed is faster.
To avoid temperature shock from impacting kiln body, the extension time between overhauls(TBO) increases service life of equipment, as shown in fig. 6,
It is equipped with the heat insulation loop 5 of oxidation aluminium material between clinkering zone 3.3 and cooling zone 3.4, is additionally provided with heat dissipating ring 9 outside the heat insulation loop 5.
As an improvement, setting type air blast phosphogypsum powder frying furnace for the frying furnace.As shown in Figure 7 and Figure 8, the drum
Wind type phosphogypsum powder frying furnace includes shell 10, frying heat pipe 11 and partition 12, and the top of the shell 10 is equipped with material inlet 13
With exhaust outlet 14, exhaust outlet 14 is connect with dust-extraction unit.The side wall of shell 10 is equipped with discharge port 15 and thermal current refluxing opening 16,
The partition 12 is mounted on the lower part in shell 10, and partition 12 is equipped with blast orifice 12.1, and blast orifice 12.1 is equipped with blast cap
12.2(such as Fig. 9), the hot-fluid sprayed from blast orifice 12.1 can form stable ascending air in shell 10, be layered ardealite
It is suspended in shell 10 and does not fall out on partition 12.
Frying heat pipe 11 is mounted on the top of partition 12 in parallel to each other, and frying heat pipe 11 is equipped with heat dissipating ring-blades 11.1
(such as Figure 10) can effectively increase the heat exchange area that material is contacted with frying heat pipe 11, improve frying efficiency.Above-mentioned frying heat
For the height of pipe 11 between partition 12 and discharge port 15, the height of partition 12 is located at frying heat pipe 11 and thermal current refluxing opening 16
Between, the entrance of frying heat pipe 11 connects high temperature hot gas stream source, and the outlet of frying heat pipe 11 is flowed back to by reflux tracheae with hot gas
Head piece 16 is connected to.High temperature hot gas stream enters in shell 10 after flowing out out of frying heat pipe 11 through thermal current refluxing opening 16, sufficiently benefit
With the remaining heat of thermal current, capacity usage ratio is improved.
To guarantee that the temperature in shell 1 in same level is identical, convenient for by the ardealite even partition of different moisture content
The flow direction of high temperature hot gas stream is opposite in different height, neighbouring two layers of frying heat pipe 11.
A specific embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (9)
1. the broken dry flour production line of ardealite, including rotary kiln (3), crusher, frying furnace and ball mill, ardealite wet basis
It is admitted to crusher after drying and dewatering in rotary kiln (3) to be crushed, then using the calcining of frying furnace and ball mill grinding
Finished product land plaster, the rotary kiln (3) are mounted between kiln head cover (1) and kiln tail smoke-box (2), and rotary kiln (3) is from kiln hood
It covers (1) and is followed successively by preheating zone (3.1), intermediate zone (3.2), clinkering zone (3.3) and cooling zone (3.4) to kiln tail smoke-box (2), it is special
Sign is: the rotary kiln (3) be Anti-blockage ardealite high temperature rotary kiln, the Anti-blockage ardealite high temperature rotary kiln it is pre-
Tropical (3.1), intermediate zone (3.2) and clinkering zone (3.3) inner wall are equipped with the linear flow deflector (7) of cylindrical screw, rotary kiln (3)
Interior to be equipped with anti-blocking spiral (4), the central axis of the anti-blocking spiral (4) is conllinear with the central axis of rotary kiln (3), anti-blocking spiral
(4) high order end is located at kiln head cover discharge port (1.1) center by first support bar (1.2), the low order end of anti-blocking spiral (4)
It is located at kiln tail smoke-box feed inlet (2.1) center by second support bar (2.2);The cooling zone (3.4) of rotary kiln (3) is equipped with water
Air-cooled structure, the frying furnace are type air blast phosphogypsum powder frying furnace.
2. the broken dry flour production line of ardealite according to claim 1, it is characterised in that: the kiln head cover discharge port
(1.1) motor (8) are equipped at, the motor (8) is fixed in kiln head cover discharge port (1.1) by first support bar (1.2)
At the heart, high order end and motor (8) shaft of anti-blocking spiral (4) are fixedly linked, and the low order end of anti-blocking spiral (4) passes through the second support
Bar (2.2) is rotatably provided at kiln tail smoke-box feed inlet (2.1) center.
3. the broken dry flour production line of ardealite according to claim 1, it is characterised in that: the Anti-blockage ardealite is high
Cooling zone (3.4) inner wall of warm rotary kiln is equipped with the linear cooling water pipeline (6) of cylindrical screw, and cooling water is from close to kiln tail cigarette
One end flow ipe of room (2).
4. the broken dry flour production line of ardealite according to claim 3, it is characterised in that: the anti-blocking spiral (4)
Bung flange diameter is the 35-50% of rotary kiln (3) inner ring diameter, and the width of flow deflector (7) is the 15- of rotary kiln (3) inner radii
25%, the section of the cooling water pipeline (6) is rectangle, and cooling water pipeline (6) includes lateral sidewall (6.1) and spiral inner wall
(6.2), the spiral inner wall (6.2) to rotary kiln (3) inner wall distance and flow deflector (7) it is of same size.
5. the broken dry flour production line of ardealite according to claim 3, it is characterised in that: rotary kiln (3) incline
Oblique angle is 3-4.5 degree, and the lift angle of flow deflector (7) is 10-20 degree, the lift angle of the cooling water pipeline (6) and the liter of flow deflector (7)
Angle is identical.
6. the broken dry flour production line of ardealite according to claim 3, it is characterised in that: the clinkering zone (3.3)
The heat insulation loop (5) of oxidation aluminium material is equipped between cooling zone (3.4).
7. the broken dry flour production line of ardealite according to claim 6, it is characterised in that: the heat insulation loop (5) is outside
Equipped with heat dissipating ring (9).
8. the broken dry flour production line of ardealite according to claim 1, it is characterised in that: the type air blast ardealite
Powder frying furnace includes shell (10), frying heat pipe (11) and partition (12), and the top of the shell (10) is equipped with material inlet (13)
With exhaust outlet (14), the side wall of shell (10) is equipped with discharge port (15) and thermal current refluxing opening (16), partition (12) peace
Lower part in shell (10), partition (12) are equipped with blast orifice (12.1), and blast orifice (12.1) is equipped with blast cap (12.2),
Frying heat pipe (11) is mounted on the top of partition (12) in parallel to each other, and the height of the frying heat pipe (11) is located at partition (12)
Between discharge port (15), the height of partition (12) is located between frying heat pipe (11) and thermal current refluxing opening (16), frying heat
The entrance for managing (11) connects high temperature hot gas stream source, and the outlet of frying heat pipe (11) passes through reflux tracheae and thermal current refluxing opening (16)
Connection.
9. the broken dry flour production line of ardealite according to claim 8, it is characterised in that: neighbouring two layers of frying heat
The flow direction for managing (11) interior high temperature hot gas stream is opposite.
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CN112624642B (en) * | 2020-12-31 | 2022-09-09 | 湖北聚海环境科技有限公司 | Device for calcining and regenerating phosphogypsum by using high-temperature ceramsite and using method thereof |
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CN102249577A (en) * | 2010-12-13 | 2011-11-23 | 日照金禾博源生化有限公司 | Process method for producing building gypsum powder by utilizing citric acid gypsum |
CN102641766A (en) * | 2012-05-08 | 2012-08-22 | 宜宾天原集团股份有限公司 | Scattering device, hammer-type drying crusher, and preparation method of acetylene sludge clinker |
CN105753349A (en) * | 2014-12-18 | 2016-07-13 | 西安立元智能科技有限公司 | Novel high-strength chemical gypsum powder production technology and supporting equipment thereof |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102249577A (en) * | 2010-12-13 | 2011-11-23 | 日照金禾博源生化有限公司 | Process method for producing building gypsum powder by utilizing citric acid gypsum |
CN102641766A (en) * | 2012-05-08 | 2012-08-22 | 宜宾天原集团股份有限公司 | Scattering device, hammer-type drying crusher, and preparation method of acetylene sludge clinker |
CN105753349A (en) * | 2014-12-18 | 2016-07-13 | 西安立元智能科技有限公司 | Novel high-strength chemical gypsum powder production technology and supporting equipment thereof |
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