CN105197904A - Continuous drying system for three-waste comprehensive recovery treatment - Google Patents
Continuous drying system for three-waste comprehensive recovery treatment Download PDFInfo
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- CN105197904A CN105197904A CN201510587192.5A CN201510587192A CN105197904A CN 105197904 A CN105197904 A CN 105197904A CN 201510587192 A CN201510587192 A CN 201510587192A CN 105197904 A CN105197904 A CN 105197904A
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- annular housing
- slurry
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- drying
- volatile matter
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- 238000001035 drying Methods 0.000 title claims abstract description 69
- 238000011084 recovery Methods 0.000 title abstract description 9
- 239000002699 waste material Substances 0.000 title abstract description 7
- 239000002002 slurry Substances 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000000843 powder Substances 0.000 claims abstract description 45
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 19
- 238000013022 venting Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- 229910001120 nichrome Inorganic materials 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 34
- 239000011574 phosphorus Substances 0.000 abstract description 34
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 34
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 abstract description 7
- 238000001704 evaporation Methods 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000292 calcium oxide Substances 0.000 abstract description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 239000011499 joint compound Substances 0.000 description 13
- 239000002893 slag Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 239000012530 fluid Substances 0.000 description 8
- 239000011344 liquid material Substances 0.000 description 7
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000003818 cinder Substances 0.000 description 4
- 208000002925 dental caries Diseases 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 1
- QVMHUALAQYRRBM-UHFFFAOYSA-N [P].[P] Chemical compound [P].[P] QVMHUALAQYRRBM-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention relates to a continuous drying system for three-waste comprehensive recovery treatment. The continuous drying system can be applied to evaporation collection of phosphorus in phosphorus mud and residues, residual liquor treatment of calcium oxide or calcium oxide and benzoyl chloride, drying of finished chemical products, three-waste comprehensive recovery treatment and the like. The continuous drying system comprises a drying main machine. The drying main machine comprises a spindle and multiple layers of ring cavities formed up and down. The ring cavities are in movable seal fit with the spindle through center through holes. Scraper blades distributed in the ring cavities are fixed to the spindle. A gap is formed between every two adjacent ring cavities, and every two adjacent ring cavities are connected through a discharging channel in a sealed mode. The ring cavities are formed in a heat conduction liquid container. A material inlet and an exhaust port are formed in the ring cavity in the top layer. A discharge port is formed in the bottom of the ring cavity in the bottom layer. The system is suitable for continuously drying slurry and powder, high in production efficiency, environmentally friendly and safe, and saves energy. The slurry and the powder evaporate layer by layer, and the volatilization area is large, so that the evaporation efficiency of volatile matter is high, and meanwhile the recovery rate of the volatile matter is high.
Description
Technical field
The present invention relates to the successive drying system of a kind of slurry or powder, can be applicable to collect the evaporation of the phosphorus in phosphorus mud, slag, calcium oxide or calcium chloride, the raffinate process of Benzoyl chloride, chemical industry finished product is dry, three wastes synthetical recovery process etc.
Background technology
In prior art, with producing yellow Phosphorus by electric oven, phosphorus mud, phosphorus slag the like waste can be produced, and in discarded phosphorus mud, phosphorus slag, also have the yellow phosphorus of considerable part not produce completely, cause the waste of resource like this.
The method of existing recovery yellow phosphorus has steam filtration method, dry blowing method, chemical reagent reaction method etc.; Steam filtration method is that phosphorus mud, slag are put into container steam laser heating, finished phosphorus is become after phosphorus phosphorus body refuse is dissolved, filtering out is refining, still the phosphoric of l5-20% is had not regain in phosphorus mud in this way after process, slag, and steam consumption quantity is large, the production cycle long (about 20 days), pollutes still serious; Dry blowing method to heat iron pan in phosphorus mud, slag loading distillation iron pan, to be refined into yellow phosphorus by guide pipeline by phosphorus steam importing water bath, this method can not continuous seepage, efficiency is lower, still has the phosphoric of l5-20% not regain in the phosphorus mud in this way after process, slag; Chemical reagent reaction method adopts dithiocarbonic anhydride to make extractant, quench and get yellow phosphorus, and this method comparatively first two method is advanced, but its process cycle is long, yield is little, once quench and get rear recrement and also have the phosphorus of 2-5% to remain, operating procedure is complicated, temperature is wayward, and wayward to the quality of yellow phosphorus.
Chinese patent literature CN1152545 discloses a kind of Processes and apparatus reclaiming yellow phosphorus from phosphorus body refuse.
Above-mentioned the deficiencies in the prior art part is: need to shut down loading, unloading material, can not realize non-stop run, cause production efficiency lower.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of successive drying system being suitable for slurry to slurry successive drying or powder.
In order to solve the problems of the technologies described above, the invention provides the successive drying system of a kind of slurry or powder, comprising main drying; This main drying comprises: the annular housing that multilayer is coaxially arranged up and down, the main shaft be located on the central axis of each annular housing; This main shaft is fixed with multiple scraper plate be distributed in respectively in each annular housing; Between two adjacent annular housings, there is gap between chamber, and be connected by blanking channel sealing; The bottom of the base plate of each annular housing is provided with nichrome wire, or each annular housing is located in heating container; The annular housing of top layer is provided with material inlet and for discharging the venting port from the volatile matter in described slurry or powder, the bottom of the annular housing of bottom is provided with discharge port.
As a kind of scheme: described heating container is a cover body, a roasting kiln is located at bottom this cover body; The top of this cover body is provided with: the feeding mouth communicated with the material inlet of the annular housing of described top layer, and for the exhaust outlet of the waste gas that discharges described roasting kiln; Adjacent annular housing is connected by its central part upper-lower seal, and forms centre gangway in the central authorities of each annular housing; Air deflector is provided with in gap between described chamber, the outward flange of each air deflector is connected with the inner wall sealing of described cover body, the upper and lower end face of each air deflector has gap respectively and between the adjacent wall body of adjacent annular cavity, has gap between the preglabellar field of each air deflector and the outer wall of described centre gangway.
Alternatively: described heating container is an electric heating liquid container filling conductive fluid, and this electric heating liquid container is connected with indirect heating system by heat exchanging pipe.Adopt the heating of heat exchange liquid, can guarantee that each annular housing can obtain abundant heat exchange, heat exchange is even, also ensure that larger heat interchanging area.
Preferred to above-mentioned each scheme, the annular housing be between described top layer and the annular housing of bottom is middle chamber, and at least one middle chamber is provided with exhaust-duct.Owing to being equipped with slurry or powder in each annular housing, the gas volatilized in the annular housing of non-top layer not easily passs through described blanking channel and successively upwards discharges, and therefore on described middle chamber, arranges exhaust-duct, is beneficial to gas and discharges fast.
Preferred to above-mentioned each scheme, is axially arranged with screw rod in described exhaust-duct, and this screw rod is suitable for rotating, and discharges through this exhaust-duct to prevent the slurry in middle chamber or powder.The outer end of screw rod is directly connected with the output shaft of a motor, or the outer end of screw rod is coordinated by sprocket wheel or belt wheel transmission with motor.
Preferred to above-mentioned each scheme, described scraper plate is suitable for the plate top surface being close to annular housing, to prevent from base plate being formed dirty layer, affects the heat conductivility of base plate.
Preferred to above-mentioned each scheme, the vapor pipe be connected on described venting port is provided with rupture disk and check valve, blasts in described annular housing to avoid inflammable and explosive volatile matter.
Preferred to above-mentioned each scheme, described main shaft is provided with screw thread, and when this main shaft rotates, described screw thread is suitable for the middle and upper part slurry of the middle and lower part of this main shaft or powder being delivered to this main shaft; Described venting port is connected with the pond for recovering for reclaiming volatile matter after chilling spray tower with exhaust-duct, to collect phosphorus or Benzoyl chloride etc.The exhaust outlet of covering on top reclaims with a heat energy from waste gas and treatment system is connected, to realize energy-saving and emission-reduction.
Preferred to above-mentioned each scheme, the base plate of described annular housing ringwise, the outward flange of base plate higher than preglabellar field, to make the centroclinal angle of the ring surface of base plate for 1-5 °; With the centrifugal force that the material balanced in described annular housing produces because of rotation, avoid the outward flange of material in contiguous described annular housing to assemble, and then guarantee drying efficiency and effect.The centroclinal angular dimension of ring surface of base plate is relevant with material type with the corresponding relation of the rotating speed of main shaft, and concrete corresponding relation obtains by experiment.
Preferred to above-mentioned each scheme, the below of described discharge port is connected with the feeding mouth of a spiral feeder, by controlling the working order of spiral feeder, can control discharging speed in real time.
Preferred to above-mentioned each scheme, the sidewall of the annular housing of described bottom is provided with transparent observing mouth, with observe described bottom annular housing in dry materials after, then open described spiral feeder discharging.
Preferred to above-mentioned each scheme; in described two adjacent annular housings; the length direction being in 1 to 4 blanking port on the base plate of the annular housing on upper strata radially distributes; when namely working, the length direction of blanking port is suitable for consistent with the length direction of scraper plate, when scraper plate promotes material rotation to this blanking port place; the material radially distributed is suitable for synchronous whereabouts; relative to the blanking port of other angles, feed blocking blanking port can be avoided, guarantee that volatile matter rises through this blanking port.Each blanking port by described blanking channel be in lower floor annular housing top board on opening be connected; Opening on this top board and this blanking port be on the base plate of the annular housing of lower floor are in staggered distribution, successively dry to guarantee that material is suitable for.
Preferred to above-mentioned each scheme, the side of described roasting kiln is provided with the screw rod hoister for being sent into by burning material in this roasting kiln, so that coal or combustiblerefuse etc. are directly sent in this roasting kiln; The burning rack for supporting burning material is provided with in roasting kiln, this burning rack is provided with criss-cross agitator arm, the bottom center of this agitator arm is provided with rotating shaft, and this rotating shaft clearance fit is in a pair axis hole, and this rotating shaft is connected by chain sprocket drive with the output shaft of a step-down gear; This step-down gear coordinates with a motor-driven.During agitator arm slow circumvolve, be suitable for stirring fire heap, prevent the cakings such as cinder; And fritter cinder of after-flame etc. is pushed away from burning rack fall.
The method of work of the successive drying system of above-mentioned slurry or powder, comprising:
A, to the heating of each annular housing (can adopt and nichrome wire is communicated with power supply heating, or to continuous circulation input thermal conductance hydrothermal solution heating in described conductive fluid container);
B, by slurry or powder input top layer annular housing, make described main axis simultaneously;
C, slurry or powder are under the turning effort of each layer scraper plate, and successively heat exchange, drying falling, finally discharge from the discharge port of the annular housing of bottom; Volatile matter successively evaporates, up, and to export from described venting port and exhaust-duct, realize the collection of volatile matter through gathering system.
Preferred to above-mentioned each scheme, described slurry or powder are phosphorus mud, phosphorus slag; Described volatile matter is phosphorus.
Preferred to above-mentioned each scheme, when adopting described roasting kiln to heat each annular housing, the hot blast that roasting kiln generates enters cover body bottom described cover body; Then hot blast is under the effect of described air deflector, snakelike rising in gap between described chamber, finally discharges from the exhaust outlet of described covering on top.
In order to realize the successive drying of liquid towards material or slurry, present invention also offers a kind of successive drying system, it comprises main drying; This main drying comprises: the cavity that multilayer is setting up and down; Between two adjacent cavitys, there is gap between chamber, and be connected by blanking channel sealing; The bottom of the base plate of each cavity is provided with nichrome wire, or each cavity is located in conductive fluid container, or the bottom of described main drying is provided with roasting kiln; The cavity of top layer is provided with material inlet and venting port, and the bottom of the cavity of bottom is provided with discharge port.The annular housing be between described top layer and the annular housing of bottom is middle chamber, and at least one middle chamber is provided with exhaust-duct; Be axially arranged with screw rod in described exhaust-duct, this screw rod is suitable for rotating, and discharges through this exhaust-duct to prevent the slurry in middle chamber or powder; Described vapor pipe is connected with the pond for recovering for reclaiming volatile matter after chilling spray tower with exhaust-duct; In described two adjacent cavitys, be in 1 to 4 blanking port on the base plate of the cavity on upper strata by described blanking channel be in lower floor cavity top board on opening be connected; Opening on this top board and this blanking port be on the base plate of the cavity of lower floor are in staggered distribution.
Technique scheme of the present invention has the following advantages compared to existing technology: (1) main drying of the present invention overall volume is less, drying efficiency is higher; During work, slurry in real time from top input, and successively dry, fall, successively evaporated by volatile matter (such as phosphorus, Benzoyl chloride etc.), volatile matter exports from top vent simultaneously, adopts gathering system to realize the collection of volatile matter; The slurry of drying or powder are dry powder body, discharge in real time from bottom; Therefore, native system is suitable for slurry, powder successive drying, being namely suitable for real-time charging, discharging, without the need to shutting down loading, unloading material, so production efficiency is higher; (2) slurry, powder are through successively evaporating, and volatilization area is comparatively large, so the vaporization efficiency of volatile matter is higher, the rate of recovery of volatile matter is higher simultaneously.In the application to phosphorus mud, slag, the phosphorus element content do not reclaimed in dried phosphorus mud, slag is less than 1%.(3) main drying of the present invention, can as chemical reactor, distiller, reactor, and main shaft and scraper plate can adopt according to material type selecting or not adopt.(4) owing to being equipped with slurry or powder in each annular housing, the gas volatilized in the annular housing of non-top layer not easily passs through described blanking channel and successively upwards discharges, therefore exhaust-duct is set on described middle chamber, be beneficial to gas to discharge fast, be beneficial to the recovery of organic solvent, and prevent the air pressure in each annular housing too high and bring potential safety hazard.(5) roasting kiln generate hot blast under the effect of described air deflector, snakelike rising in gap between described chamber, make the heat exchange stroke of the upper lower wall of hot blast and each annular housing and the time longer, be beneficial to abundant heat exchange, be beneficial to energy-saving and emission-reduction; In addition, make each annular housing obtain heat exchange, ensure that larger heat interchanging area.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of the successive drying system of slurry in embodiment 1 to 2 or powder;
Fig. 2 is the structural representation of the main drying in Fig. 1;
Fig. 3 is the structural representation of the main drying of employing electric-heating-wire-heating of the present invention;
Fig. 4 is the vertical view of annular housing of the present invention;
Fig. 5 is the A-A sectional structure chart of Fig. 4;
Fig. 6 is the B-B sectional structure chart of Fig. 4;
Fig. 7 is the sectional structure chart of multilayer annular housing setting up and down;
Fig. 8 is the structural representation of the main drying in embodiment 3;
Fig. 9 is the axial section of the multi-layer cavity in Fig. 8;
Figure 10 is the structural representation of the dehumidification system with exhaust-duct in embodiment 4;
Figure 11 is the cross-sectional view of the main drying in embodiment 4.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment
Embodiment 1
See Fig. 1-7, the successive drying system of the slurry that the present embodiment provides or powder, comprising: main drying, the gathering system for collecting volatile matter be connected with the venting port of this main drying.
Main drying comprises: the annular housing 2 that main shaft 1, multilayer are setting up and down; Each annular housing 2 is matched with on this main shaft 1 by center through hole movable sealing, this main shaft 1 is fixed with the scraper plate 3 be distributed in one by one in each annular housing 2; Between two adjacent annular housings 2, there is gap between chamber, with the base plate facilitating annular housing 2 directly and heat-conducting medium or nichrome wire heat exchange, and then ensure that drying effect.
Sealed by blanking channel 4 between two adjacent annular housings 2 and be connected; The bottom of the base plate of each annular housing 2 is provided with nichrome wire 5, or each annular housing is located in conductive fluid container 6, or described main drying is located at above a roasting kiln 14; The annular housing of top layer is provided with material inlet and the venting port for discharging volatile matter, and the bottom of the annular housing of bottom is provided with the discharge port for discharging dried slurry or powder.Heat-conducting medium in conductive fluid container 6 is heat conduction wet goods.
Described scraper plate 3 is suitable for the plate top surface being close to annular housing 2, to prevent from base plate being formed dirty layer, affects the heat conductivility of base plate.
The vapor pipe 7 be connected on described venting port is provided with rupture disk 8 and check valve 9, blasts in described annular housing to avoid inflammable and explosive volatile matter.Wherein, check valve 9 is suitable for avoiding air to pour in down a chimney in main drying.
Described vapor pipe 7 is connected with the pond for recovering 11 for reclaiming volatile matter after chilling spray tower 10, to collect phosphorus or Benzoyl chloride etc.
The base plate 2-3 of described annular housing 2 ringwise, the outward flange of base plate 2-3 is higher than preglabellar field, to make the centroclinal angle of the ring surface of base plate for 1-5 °, with the centrifugal force that the material balanced in described annular chamber 2 produces because rotating around main shaft 1, avoid the outward flange of material in contiguous described annular housing 2 to assemble, and then guarantee drying efficiency and effect.The centroclinal angular dimension of ring surface of base plate 2-3 is relevant with material type with the corresponding relation of the rotating speed of main shaft 1, and concrete corresponding relation obtains by experiment.
As the selectable embodiment of one, the below of described discharge port is connected with the feeding mouth of a spiral feeder 12, by controlling the working order of spiral feeder 12, can control discharging speed in real time.
The sidewall of the annular housing of described bottom is provided with transparent observing mouth; with observe described bottom annular housing in dry materials after; open the discharging of described spiral feeder 12 again, to guarantee discharging again after dry materials, and guarantee the abundant collection of volatile matter.
In described two adjacent annular housings 2, be in 3 or 4 blanking port 2-2 on the base plate of the annular housing on upper strata; The length direction of each blanking port 2-2 radially, centrosymmetry distribution; when namely working; the length direction of blanking port 2-2 is suitable for consistent with the length direction of scraper plate 3; when scraper plate 3 promotes material rotation to this blanking port 2-2 place; the material radially distributed is suitable for synchronous whereabouts; relative to the blanking port adopting other angles, feed blocking blanking port 2-2 can be avoided, guarantee that volatile matter rises through this blanking port 2-2.
Each blanking port 2-2 by described blanking channel 4 be in lower floor annular housing top board on opening 2-1 be connected; Opening 2-1 on this top board and this blanking port 2-2 be on the base plate of the annular housing of lower floor is in staggered distribution, successively dry to guarantee that material is suitable for.
The hot waste gas that the top of described roasting kiln 14 is discharged inputs from the hot waste gas input aperture of an air heat-exchange tower 17 and discharges from top after the heat transfer tube in this air heat-exchange tower 17, after the new air inputting this air heat-exchange tower 17 and heat transfer tube heat exchange, input in described roasting kiln 14 through induced draft fan 16, to improve the combustion heat value of the fuel in roasting kiln 14, realize energy-conservation.
Embodiment 2
The method of work of the successive drying system of the slurry described in above-described embodiment 1 or powder, comprising:
A, first nichrome wire 5 is communicated with power supply heating, or to continuous circulation input thermal conductance hydrothermal solution in described conductive fluid container 6, or adopt the roasting kiln 14 be located at bottom described main drying to heat to each annular housing 2; Reach 50-700 DEG C (actual temp needs to select according to different materials) to make the temperature of described annular housing 2 be suitable for.
B, by pump by slurry or by helicoid conveyer 13 by powder from the annular housing of top layer material inlet input, simultaneously open mair motor 15 rotate to drive described main shaft 1;
C, slurry or powder are under the turning effort of each layer scraper plate 3, and successively heat exchange, drying falling, finally discharge from the discharge port of the annular housing of bottom; Volatile matter successively evaporates, up, and to export from described venting port, realize the collection of volatile matter through gathering system.
Described slurry or powder are phosphorus mud, phosphorus slag; Described volatile matter is phosphorus.
Described slurry or powder can, for containing slurry or the powder of Benzoyl chloride, also can be also calcium oxide or calcium chloride.
After the plate top surface at described annular housing 2 forms dirty layer, in order to remove described dirty layer, the method for work of employing comprises:
Stop sending into material to described main drying, open main drying and spiral feeder 12, the material in main drying is emptied; Then, nichrome wire 5 is communicated with power supply heating, or to continuous circulation input thermal conductance hydrothermal solution in described conductive fluid container 6, or adopt described roasting kiln 14 to heat; Treat that the temperature of each annular housing is higher than preset value (80-150 DEG C), stop heating to described main drying, cold water (lower than 20 DEG C, the lower effect of water temperature is better) is inputted from the material inlet the annular housing of top layer simultaneously, then open described mair motor 15.Dirty layer on the base plate of each annular housing 2 is after expanding with heat and contract with cold rapidly, because the rate that collapses of the base plate 2-3 of dirty layer and stainless steel differs greatly, each dirty layer is suitable for cracked frustillatum, and under the turning effort of each layer scraper plate 3, successively fall, finally export from discharge port.
When described slurry is phosphorus mud, phosphorus slag, and when slurry being inputted from the material inlet the annular housing of top layer by pump, for avoiding input air, guaranteeing production safety, in soft bag that described slurry is arranged on a sealing, that vacuumize, this soft bag is connected with described pump by pipeline.When the slurry in a soft bag is taken out most, only need close pump, connect the soft bag that another fills slurry, can feeding be continued, realize the non-stop run of main drying.
Embodiment 3
As Fig. 8 to 9, present embodiments provide a kind of successive drying system for liquid material (or slurry), the gathering system for collecting volatile matter comprise main drying, being connected with the venting port of this main drying.
Described main drying comprises: the cavity 20 that multilayer is setting up and down; Between two adjacent cavitys 20, there is gap, and be connected by blanking channel sealing; The bottom of the base plate of each cavity 20 is provided with nichrome wire 5, or each cavity 20 is located in conductive fluid container, or the bottom of described main drying is provided with roasting kiln; The cavity of top layer is provided with material inlet and venting port, and the bottom of the cavity of bottom is provided with discharge port.
In described two adjacent cavitys 20, be in 1 to 4 blanking port on the base plate of the cavity on upper strata by described blanking channel 4 be in lower floor cavity top board on opening be connected; Opening on this top board and this blanking port be on the base plate of the cavity of lower floor are in staggered distribution.During work, by pump 17, liquid material is inputted from the material inlet the annular housing of top layer, liquid material falls from the discharge port of each layer cavity, and is suitable for and the underplate heat exchange in the cavity of each layer, so have, heat interchanging area is comparatively large, heat exchange efficiency comparatively high; The small volume of main drying simultaneously.
Native system is used for the successive drying of liquid material, so without the need to scraper plate, is applicable to the liquid material being suitable for volatilization containing Benzoyl chloride, phosphorus etc.Liquid material, through the heating of each layer cavity, evaporation, is made required volatile matter evaporation, and is collected by gathering system.
Described main drying can as chemical reactor, distiller, reactor etc.
Embodiment 4
As Fig. 4 to 7 and 10, the slurry of the present embodiment or the successive drying system of powder, comprise main drying 24; This main drying 24 comprises: the annular housing 2 that multilayer is coaxially arranged up and down, the main shaft 1 be located on the central axis of each annular housing 2; This main shaft 1 is fixed with 3 to 10 scraper plates 3 be distributed in respectively in each annular housing 2; Between two adjacent annular housings 2, there is gap 25 between chamber, and sealed by 3 to 5 blanking channels 4 connected; Each annular housing 2 is located in heating container; The bottom of the annular housing 2 of bottom is provided with discharge port.
Described heating container is that cover body 27, roasting kiln 14 is located at bottom this cover body 27; The top of this cover body 27 is provided with: the feeding mouth 270 communicated with the material inlet of the annular housing 2 of described top layer, and for the exhaust outlet 271 of the waste gas that discharges described roasting kiln 14; Adjacent annular housing 2 is connected by its central part upper-lower seal, and forms centre gangway in the central authorities of each annular housing 2; Air deflector 29 is provided with in gap 25 between described chamber, the outward flange of each air deflector 29 is connected with the inner wall sealing of described cover body 27, the upper and lower end face of each air deflector 29 has gap respectively and between the adjacent wall body of adjacent annular cavity 2, has gap between the preglabellar field of each air deflector 29 and the outer wall of described centre gangway.
Annular housing 2 between the annular housing 2 being in described top layer and bottom is middle chamber, and the sidewall of or all middle chambers is connected with exhaust-duct 30.Owing to being equipped with slurry or powder in each annular housing 2, the gas volatilized in the annular housing 2 of non-top layer not easily passs through described blanking channel 4 and successively upwards discharges, and therefore on described middle chamber, arranges exhaust-duct 30, is beneficial to gas and discharges fast.
Be axially arranged with screw rod 31 in described exhaust-duct 30, this screw rod 31 small―gap suture to be engaged in this exhaust-duct 30 and to be suitable for rotating, and discharges through this exhaust-duct 30 to prevent the slurry in middle chamber or powder.The outer end of screw rod 31 is directly connected with the output shaft of a motor, or the outer end of screw rod 31 is coordinated by sprocket wheel or belt wheel transmission with motor.
Described scraper plate 3 is suitable for the plate top surface being close to annular housing 2, to prevent from base plate being formed dirty layer, affects the heat conductivility of base plate.
The vapor pipe 7 be connected on described venting port 271 is provided with rupture disk and check valve, blasts in described annular housing 2 to avoid inflammable and explosive volatile matter.
Described main shaft 1 is provided with screw thread 26, and when this main shaft 1 rotates, described screw thread 26 is suitable for the middle and upper part slurry of the middle and lower part of this main shaft 1 or powder being delivered to this main shaft 1; Described venting port 271 and exhaust-duct 30 are connected with the pond for recovering 11 for reclaiming volatile matter after chilling spray tower 10.The exhaust outlet at cover body 27 top reclaims with a heat energy from waste gas and treatment system 32 is connected, to realize energy-saving and emission-reduction.
The side of described roasting kiln 14 is provided with the screw rod hoister 33 for being sent into by burning material in this roasting kiln 14; The burning rack for supporting burning material is provided with in roasting kiln 14, this burning rack is provided with criss-cross agitator arm, the bottom center of this agitator arm is provided with rotating shaft, and this rotating shaft clearance fit is in a pair axis hole, and this rotating shaft is connected by chain sprocket drive with the output shaft of a step-down gear; This step-down gear coordinates with a motor-driven.
The base plate of described annular housing 2 ringwise, the outward flange of base plate higher than preglabellar field, to make the centroclinal angle of the ring surface of base plate for 1-5 °; With the centrifugal force that the material (especially powder or small-particle material) balanced in described annular housing 2 produces because of rotation, avoid the outward flange of material in contiguous described annular housing 2 to assemble, and then guarantee drying efficiency and effect.The centroclinal angular dimension of ring surface of base plate is relevant with material type with the corresponding relation of the rotating speed of main shaft 1, and concrete corresponding relation obtains by experiment.
The below of described discharge port is connected with the feeding mouth of a spiral feeder 12, by controlling the working order of spiral feeder 12, can control discharging speed in real time.
The sidewall of the annular housing 2 of described bottom is provided with transparent observing mouth, with observe described bottom annular housing 2 in dry materials after, then open described spiral feeder discharging.
In described two adjacent annular housings 2; the length direction being in 1 to 4 blanking port 2-1 on the base plate of the annular housing 2 on upper strata radially distributes; when namely working; the length direction of blanking port 2-1 is suitable for consistent with the length direction of scraper plate 3; when scraper plate 3 promotes material rotation to this blanking port 2-1 place, the material radially distributed is suitable for synchronous whereabouts, relative to the blanking port 2-1 of other angles; feed blocking blanking port can be avoided, guarantee that volatile matter rises through this blanking port 2-1.Each blanking port 2-1 by described blanking channel 4 be in lower floor annular housing 2 top board on opening be connected; Opening on this top board and this blanking port 2-1 be on the base plate of the annular housing 2 of lower floor are in staggered distribution, successively dry to guarantee that material is suitable for.
The side of described roasting kiln 14 is provided with the screw rod hoister for being sent into by burning material in this roasting kiln 14, so that coal or combustiblerefuse etc. are directly sent in this roasting kiln 14; The burning rack for supporting burning material is provided with in roasting kiln 14, this burning rack is provided with criss-cross agitator arm, the bottom center of this agitator arm is provided with rotating shaft, and this rotating shaft clearance fit is in a pair axis hole, and this rotating shaft is connected by chain sprocket drive with the output shaft of a step-down gear; This step-down gear coordinates with a motor-driven.During agitator arm slow circumvolve, be suitable for stirring fire heap, prevent the cakings such as cinder; And fritter cinder of after-flame etc. is pushed away from burning rack fall.
The method of work of the successive drying system of above-mentioned slurry or powder, comprising:
A, to heat to each annular housing 2;
B, by slurry or powder input top layer annular housing 2, make described main shaft 1 rotate simultaneously;
C, slurry or powder are under the turning effort of each layer scraper plate 3, and successively heat exchange, drying falling, finally discharge from the discharge port of the annular housing 2 of bottom; Volatile matter successively evaporates, up, and to export from described venting port 271 and exhaust-duct 30, realize the collection of volatile matter through gathering system.
Described slurry or powder are phosphorus mud, phosphorus slag; Described volatile matter is phosphorus.
When adopting described roasting kiln 14 to heat each annular housing 2, the hot blast that described roasting kiln 14 produces enters cover body 27 bottom described cover body 27; Then hot blast is under the effect of described air deflector 29, snakelike rising in gap 25 between described chamber, finally discharges from the exhaust outlet at described cover body 27 top.
Embodiment 5
On the basis of embodiment 3, there is following modification in the successive drying system for liquid material or slurry of the present embodiment:
Annular housing 2 between the annular housing 2 being in described top layer and bottom is middle chamber, and the sidewall of or all middle chambers is connected with exhaust-duct 30.
Be axially arranged with screw rod in described exhaust-duct 30, this screw rod small―gap suture to be engaged in this exhaust-duct 30 and to be suitable for rotating, and discharges through this exhaust-duct 30 to prevent the slurry in middle chamber or powder.
Particularly, the outer end of screw rod is directly connected with the output shaft of a motor, or the outer end of screw rod is coordinated by sprocket wheel or belt wheel transmission with motor.
Described vapor pipe 7 is connected with the pond for recovering for reclaiming volatile matter after chilling spray tower with exhaust-duct 30.
The side of described roasting kiln 14 is provided with the screw rod hoister for being sent into by burning material in this roasting kiln 14; The burning rack for supporting burning material is provided with in roasting kiln 14, this burning rack is provided with criss-cross agitator arm, the bottom center of this agitator arm is provided with rotating shaft, and this rotating shaft clearance fit is in a pair axis hole, and this rotating shaft is connected by chain sprocket drive with the output shaft of a step-down gear; This step-down gear coordinates with a motor-driven.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (2)
1.
oneplant the successive drying system of slurry or powder, comprise main drying; It is characterized in that this main drying comprises: the annular housing that multilayer is coaxially arranged up and down, the main shaft be located on the central axis of each annular housing;
This main shaft is fixed with multiple scraper plate be distributed in respectively in each annular housing;
Between two adjacent annular housings, there is gap between chamber, and be connected by blanking channel sealing;
The bottom of the base plate of each annular housing is provided with nichrome wire, or each annular housing is located in heating container;
The annular housing of top layer is provided with material inlet and for discharging the venting port from the volatile matter in described slurry or powder, the bottom of the annular housing of bottom is provided with discharge port;
The annular housing be between described top layer and the annular housing of bottom is middle chamber, and at least one middle chamber is provided with exhaust-duct;
Be axially arranged with screw rod in described exhaust-duct, this screw rod is suitable for rotating, and discharges through this exhaust-duct to prevent the slurry in middle chamber or powder;
Described main shaft is provided with screw thread, and when this main shaft rotates, described screw thread is suitable for the middle and upper part slurry of the middle and lower part of this main shaft or powder being delivered to this main shaft; Described venting port is connected with the pond for recovering for reclaiming volatile matter after chilling spray tower with exhaust-duct.
2. the method for work of the successive drying system of slurry as claimed in claim 1 or powder, is characterized in that comprising:
A, to heat to each annular housing;
B, by slurry or powder input top layer annular housing, make described main axis simultaneously;
C, slurry or powder are under the turning effort of each layer scraper plate, and successively heat exchange, drying falling, finally discharge from the discharge port of the annular housing of bottom; Volatile matter successively evaporates, up, and to export from described venting port and exhaust-duct, realize the collection of volatile matter through gathering system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510587192.5A CN105197904B (en) | 2013-01-04 | 2013-10-29 | Continuous drying system is used in the processing of three wastes synthetical recovery |
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| CN2013200013002 | 2013-01-04 | ||
| CN201320001300 | 2013-01-04 | ||
| CN201510587192.5A CN105197904B (en) | 2013-01-04 | 2013-10-29 | Continuous drying system is used in the processing of three wastes synthetical recovery |
| CN201310524780.5A CN103591781B (en) | 2013-01-04 | 2013-10-29 | The continuous drying system of slurry or powder |
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| CN201310524780.5A Division CN103591781B (en) | 2013-01-04 | 2013-10-29 | The continuous drying system of slurry or powder |
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| CN105197904B CN105197904B (en) | 2017-09-29 |
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| CN201510587172.8A Active CN105135852B (en) | 2013-01-04 | 2013-10-29 | For the continuous drying system of three wastes synthetical recovery treatment |
| CN201510585524.6A Active CN105197903B (en) | 2013-01-04 | 2013-10-29 | Drying system for the processing of calcium oxide, calcium chloride or chlorobenzoyl chloride raffinate |
| CN201320676779.XU Withdrawn - After Issue CN203668005U (en) | 2013-01-04 | 2013-10-29 | Main drying machine of continuous drying system for slurry or powder |
| CN201510586768.6A Active CN105241223B (en) | 2013-01-04 | 2013-10-29 | A kind of continuous drying system of slurry or powder |
| CN201510587175.1A Active CN105157397B (en) | 2013-01-04 | 2013-10-29 | A kind of method of work of the continuous drying system of slurry or powder |
| CN201510587192.5A Active CN105197904B (en) | 2013-01-04 | 2013-10-29 | Continuous drying system is used in the processing of three wastes synthetical recovery |
| CN201510585320.2A Active CN105202880B (en) | 2013-01-04 | 2013-10-29 | The continuous drying system of slurry or powder |
| CN201510586769.0A Expired - Fee Related CN105157396B (en) | 2013-01-04 | 2013-10-29 | Continuous drying system and its method of work for the processing of three wastes synthetical recovery |
| CN201510586724.3A Active CN105236367B (en) | 2013-01-04 | 2013-10-29 | The drying system collected for the evaporation to the phosphorus in phosphorus mud, slag |
| CN201310524780.5A Active CN103591781B (en) | 2013-01-04 | 2013-10-29 | The continuous drying system of slurry or powder |
| CN201310522646.1A Active CN103591780B (en) | 2013-01-04 | 2013-10-29 | The main drying of the continuous drying system of slurry or powder |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510587172.8A Active CN105135852B (en) | 2013-01-04 | 2013-10-29 | For the continuous drying system of three wastes synthetical recovery treatment |
| CN201510585524.6A Active CN105197903B (en) | 2013-01-04 | 2013-10-29 | Drying system for the processing of calcium oxide, calcium chloride or chlorobenzoyl chloride raffinate |
| CN201320676779.XU Withdrawn - After Issue CN203668005U (en) | 2013-01-04 | 2013-10-29 | Main drying machine of continuous drying system for slurry or powder |
| CN201510586768.6A Active CN105241223B (en) | 2013-01-04 | 2013-10-29 | A kind of continuous drying system of slurry or powder |
| CN201510587175.1A Active CN105157397B (en) | 2013-01-04 | 2013-10-29 | A kind of method of work of the continuous drying system of slurry or powder |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510585320.2A Active CN105202880B (en) | 2013-01-04 | 2013-10-29 | The continuous drying system of slurry or powder |
| CN201510586769.0A Expired - Fee Related CN105157396B (en) | 2013-01-04 | 2013-10-29 | Continuous drying system and its method of work for the processing of three wastes synthetical recovery |
| CN201510586724.3A Active CN105236367B (en) | 2013-01-04 | 2013-10-29 | The drying system collected for the evaporation to the phosphorus in phosphorus mud, slag |
| CN201310524780.5A Active CN103591781B (en) | 2013-01-04 | 2013-10-29 | The continuous drying system of slurry or powder |
| CN201310522646.1A Active CN103591780B (en) | 2013-01-04 | 2013-10-29 | The main drying of the continuous drying system of slurry or powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111892028A (en) * | 2020-07-20 | 2020-11-06 | 云南煜锜环保科技有限公司 | Method for recovering elemental phosphorus by mud phosphorus distillation |
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| CN105135852B (en) * | 2013-01-04 | 2017-06-27 | 林惠玲 | For the continuous drying system of three wastes synthetical recovery treatment |
| CN103925779A (en) * | 2014-03-21 | 2014-07-16 | 沈阳新思维数控机床有限公司 | Efficient vertical pyrolysis drying equipment |
| CN106595276A (en) * | 2014-04-09 | 2017-04-26 | 邹玉华 | Continuous drying system used for recovering naphtha and diesel oil or engine oil |
| CN109569456A (en) * | 2018-12-28 | 2019-04-05 | 宁夏红山河食品股份有限公司 | A kind of microcapsule embedded high shear mixing device |
| CN110645777A (en) * | 2019-10-15 | 2020-01-03 | 江苏双虎环保节能设备科技有限公司 | Drying system and working method thereof |
| CN112254496A (en) * | 2020-09-25 | 2021-01-22 | 榆林学院 | Coal slime collection device |
| CN112923692A (en) * | 2021-02-01 | 2021-06-08 | 抚州市鹤达实业有限公司 | Rotary dehydration device for modified starch |
| CN116678197B (en) * | 2023-08-02 | 2023-09-29 | 江苏金陵干燥科技有限公司 | Energy-saving environment-friendly spiral type disc vacuum drying equipment |
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- 2013-10-29 CN CN201510585320.2A patent/CN105202880B/en active Active
- 2013-10-29 CN CN201510586769.0A patent/CN105157396B/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105197903A (en) | 2015-12-30 |
| CN105236367B (en) | 2017-09-29 |
| CN105202880B (en) | 2017-06-13 |
| CN105202880A (en) | 2015-12-30 |
| CN103591780A (en) | 2014-02-19 |
| CN105135852B (en) | 2017-06-27 |
| CN105157397A (en) | 2015-12-16 |
| CN105157397B (en) | 2017-09-29 |
| CN105197903B (en) | 2017-09-29 |
| CN103591781A (en) | 2014-02-19 |
| CN105241223A (en) | 2016-01-13 |
| CN105157396B (en) | 2017-09-29 |
| CN105236367A (en) | 2016-01-13 |
| CN203668005U (en) | 2014-06-25 |
| CN105135852A (en) | 2015-12-09 |
| CN105241223B (en) | 2017-06-13 |
| CN103591781B (en) | 2015-11-04 |
| CN105197904B (en) | 2017-09-29 |
| CN105157396A (en) | 2015-12-16 |
| CN103591780B (en) | 2015-11-18 |
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