CN208649141U - A kind of industry by-product gypsum dewatering system - Google Patents
A kind of industry by-product gypsum dewatering system Download PDFInfo
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- CN208649141U CN208649141U CN201821153068.3U CN201821153068U CN208649141U CN 208649141 U CN208649141 U CN 208649141U CN 201821153068 U CN201821153068 U CN 201821153068U CN 208649141 U CN208649141 U CN 208649141U
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Abstract
A kind of industry by-product gypsum dewatering system, including the batcher for supplying raw material, batcher connection is for breaing up dryer for wet stock removing Free water, it breaks up dryer and connects cyclone separator one for collecting its material drying, separating obtained material drying for being removed the dehydration furnace of the crystallization water by the connection of cyclone separator one, dehydration furnace connection is used to collect the cyclone separator two of material after dehydration, cyclone separator two connects the feed bin for storing product, dryer and dehydration furnace are broken up in hot-blast stove connection, provide heat source for the drying and dehydration of material；Cyclone separator one connects the bag filter for purifying exhaust gas, connects bag filter for the centrifugal blower that system airflow flowing provides power and the chimney for discharging exhaust gas.It is energy-efficient and adaptable to various industry by-product gypsums using the utility model production building gypsum plaster, it can be achieved that material effectively disperses.
Description
Technical field
The invention belongs to building gypsum plaster production technical field, in particular to a kind of industry by-product gypsum dewatering system.
Background technique
Industry by-product gypsum refers in industrial production because chemical reaction generation is with calcium sulfate byproduct as main component
Or waste residue, it mainly include ardealite, desulfurized gypsum, citric acid gypsum, fluorgypsum, bunt gypsum, monosodium glutamate gypsum, copper gypsum and titanium stone
Cream etc..Industry by-product gypsum is typically due to that free water content is big, objectionable impurities is more and cannot directly utilize.By industry by-product gypsum
Dihydrate gypsum inversion of phases is β-CaSO by dehydration4·0.5H2O phase, prepares building gypsum and product is current most important benefit
Use approach.
Currently, there are two main classes for the technical equipment of production building gypsum plaster:
First is that mainly having frying pan and two kinds of rotary kiln to accumulate the traditional technology equipment based on state dewatering type.This kind of dress
Standby using accumulation state heat exchange mode, drying is low with dehydration efficiency, energy consumption is high, has been phased out in foreign countries.
Second is that with dispersed be dehydrated based on new process equipment, mainly have air-flow calcining mill, fluidized bed furnace and fluidized bed type
Calcining furnace etc..This kind of equipment uses dispersed dehydration technique, and transmission area is big, and drying and rate of water loss are fast, production efficiency and heat
Efficiency greatly improves, and energy consumption significantly reduces, and is the main flow direction of current building gypsum production technology development.But this kind of equipment is current
In terms of the dehydration for being mainly used in the natural gypsum, it is primarily present following problem in terms of industry by-product gypsum dehydration: (1) being difficult to reality
Now uniform feeding and material effectively disperse, restricted to material moisture, and technical answering property is poor.The Free water of industry by-product gypsum
Content is big, is often agglomerated into bulk, and existing dispersed technical equipment is difficult to effectively solve the problems, such as the dispersion of material and uniform feeding.
Therefore it needs to have stringent limitation to the moisture of material, to constrain this technology to the adaptability of industry by-product gypsum.(2) it produces
Quality stability is poor, and system thermal efficiency is to be improved.Residence time of material is short in existing dispersed dehydrating equipment, dehydration temperaturre
Height, leads to local excessive dehydration problem, and product quality is poor.Simultaneously as dehydration temperaturre is high, cause exhaust temperature also higher,
But it is the failure to realize the effective use of waste heat, system thermal efficiency is still to be improved.
Therefore, for industry by-product gypsum the characteristics of, develops a kind of adaptable, energy-efficient dewatering system, to work
The comprehensive utilization of industry by-product gypsum has realistic meaning.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of dehydrations of industry by-product gypsum is
System, can be realized material and effectively disperses, is energy-efficient, is adaptable to various industry by-product gypsums.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of industry by-product gypsum dewatering system, including the batcher 1 for supplying raw material, the connection of batcher 1 is used
In wet stock removing Free water is broken up dryer 2, the dryer 2 of breaing up connects whirlwind for collecting its material drying
Separator 1, the connection of cyclone separator 1 are described for separating obtained material drying to be removed to the dehydration furnace 4 of the crystallization water
The connection of dehydration furnace 4 is used to collect the cyclone separator 25 of material after dehydration, and the cyclone separator 25 connects for storing product
Feed bin 9, hot-blast stove 10 connection break up dryer 2 and dehydration furnace 4, provide heat source for the drying and dehydration of material；The whirlwind
Separator 1 connects the bag filter 6 for purifying exhaust gas, and the centrifugal blower 7 for providing power for system airflow flowing connects
The bag filter 6 and chimney 8 for discharging exhaust gas.
The batcher 1 is provided with inverted square cone hopper 1a, and hopper 1a side wall is equipped with vibrator 1b, under hopper 1a
Portion is equipped with double helix feeding device 1c；
Described to break up dryer 2 and mainly by shell 2c and break up rotor 2d and constitute, shell 2c is equipped with a upward object
Expect that import 2a, a horizontal air inlet 2b and upward air outlet a 2e, the material inlet 2a accept double helix feed
The feed of device 1c, the air inlet 2b connect the hot wind of hot-blast stove 10；
The lower case 3c of upper housing 3b and inverted conical body structure of the cyclone separator 1 including cylindrical structure,
Tangential entry 3a is provided on upper housing 3b, the center upper housing 3b is equipped with exhanst gas outlet 3e, the blanking of lower case 3c cone mouth
Pipe is equipped with air valve 3d, and the tangential entry 3a is connect with air outlet 2e；
The dehydration furnace 4 is gooseneck type circular pipe structure, vertically arranged, is equipped with a hot wind inlet 4a, 2 feed inlets
4c and one outlet 4d, furnace is interior to be equipped with material dispersion device 4b in feed inlet 4c down position, and the hot wind inlet 4a connects hot-blast stove
10 hot wind；
The lower case of upper housing 5b and inverted conical body structure of the cyclone separator 25 including cylindrical structure, on
It is provided with tangential entry 5a on shell 5b, the center upper housing 5b is equipped with exhanst gas outlet 5c, on the feeder pipe of lower case cone mouth
It is connect equipped with air valve 5d and material distributing valve 5e, the tangential entry 5a with outlet 4d；
The blanking of cyclone separator 25 is divided into two-way by the material distributing valve 5e, all the way splicing storehouse 9, another way and whirlwind point
Blanking from device 1 meets 2 feed inlet 4c of dehydration furnace 4 respectively；
The entrance of the bag filter 6 meets exhanst gas outlet 3e, and dust removal port connects the feeder pipe of cyclone separator 1；
The exhanst gas outlet of the import connection bag filter 6 of the centrifugal blower 7, outlet connection chimney 8.
The rotor 2d that breaks up uses one of following several structures: fixed plate-hammer-type, movable plate-hammer-type, cage bar type structure with
And screw blade formula, rotor 2d is broken up by speed regulating motor, and power is provided；
It is wrapped up outside the shell 2c with thermal insulation material；
The cyclone separator 1 and cyclone separator 25 are heavy duty detergent cyclone separator, and separative efficiency is in 95%-
Between 99.9%；
The air valve 3d and air valve 5d is revolution air valve or flap valve；
The hot wind inlet 4a is located at 4 bottom of furnace body of dehydration furnace, is back taper throat structure, and the feed inlet 4c is located at heat
Above wind inlet 4a at 1-2m, feed inlet 4c and furnace body center line namely airflow direction are in 40 ° -60 ° of angle；
4 furnace body of dehydration furnace is using one of two kinds of forms of inside holding or external thermal insulation；
The bag filter 6 uses pulsed purge mode, is equipped with screw conveyor 6a and carries out ash discharge；
The centrifugal blower 7 is using one of two kinds of forms of frequency control and fixed rotating speed, with the company between bag filter 6
Adapter tube road is equipped with flow control valve 7a.
10 outlet conduit of hot-blast stove is equipped with one 10a of triple valve, and hot wind is divided into two-way, takes scattered dryer all the way
2 air inlet 2b, and be disposed on connecting line one 10b of flow control valve, two 10c of triple valve, one 10d of cold blast sliding valve and
Two 10e of flow control valve, wherein two 10c of triple valve is also connected with the exhanst gas outlet 5c of cyclone separator 25；Another way connects dehydration
The hot wind inlet 4a of furnace 4, and three 10g of two 10f of cold blast sliding valve and flow control valve is disposed on connecting line.
The hot-blast stove 10 has insulation construction resistant to high temperature, using coal dust, combustion gas or fuel oil as fuel.
The feed bin 9 is cylindrical structure, and feed bin wall surface is equipped with using one of two kinds of forms of inside holding or external thermal insulation
Insulating layer, orlop be equipped with strength fluidizer, feed bin import be equipped with storehouse formula Pneumatic conveying pump 9a, outlet be equipped with gate valve.
The separating obtained material drying is dehydrated in a manner of suspended state in dehydration furnace 4.
The present invention also provides a kind of technique using industry by-product gypsum dewatering system production building gypsum plaster, packets
Include following steps:
The first step, it is 100 DEG C~120 DEG C that 2 Outlet Gas Temperature of dryer is broken up in control, will be in industry by-product gypsum raw material
Most of Free water removing, improve material fluidity；
Second step will be broken up the processed raw material of dryer 2 using cyclone separator 1 and be separated, and dehydration is sent into
Furnace 4 is dehydrated under suspended state；
Third step, control 4 Outlet Gas Temperature of dehydration furnace are 160 DEG C~170 DEG C, are obtained with β-CaSO4·0.5H2Based on O
Want the product of ingredient；
Dewatered product is separated using cyclone separator 25, is delivered to feed bin 9 and carries out ageing tune by the 4th step
Matter obtains up-to-standard building gypsum product；
The high-temp waste gas introducing of dehydration furnace 4 is broken up dryer 2, UTILIZATION OF VESIDUAL HEAT IN is realized, by bag filter 6 by the 5th step
The material collected introduces dehydration furnace 4, realizes material recycle.
It is equipped with temperature and pressure measuring point one in the outlet of hot-blast stove 10, is breaing up 2 hot wind inlet of dryer setting temperature and pressure
Power measuring point two, is breaing up 2 waste gas outlet of dryer setting temperature and pressure measuring point three, exports setting temperature in cyclone separator 1
Degree and pressure-measuring-point four are arranged temperature and pressure measuring point five in 4 import of dehydration furnace, temperature are arranged above 4 feed opening of dehydration furnace
With pressure-measuring-point six, setting temperature and pressure measuring point seven is exported in dehydration furnace 4, temperature and pressure is set in cyclone separator 25
Temperature and pressure measuring point nine is arranged in 7 entrance of centrifugal blower in measuring point eight, keeps monitoring the temperature and pressure of each measuring point.
Compared with prior art, the skill that the present invention is dehydrated using settling flux state after first breaing up drying, improving material fluidity
Art route solves the problems, such as that industry by-product gypsum is difficult to disperse greatly due to free water content.Using suspended state dewatering type, gas
Gu contact area is big, heat exchange efficiency is high, and rate of water loss is big.The recycling for realizing dehydration furnace waste gas residual heat, improves system
The thermal efficiency.Can by the way that length, the optimization internal structure, the means such as Matter Transfer rate of load condensate in regulating stove of dehydration furnace is arranged,
Extend residence time of the material in furnace, so that the temperature in dehydration furnace be made moderately to reduce, avoids leading since local excessive is dehydrated
The product quality of cause fluctuates.The system has good adaptability to industry by-product gypsum, while having energy-efficient, equipment
Simply, the advantages of low cost.
Detailed description of the invention
Fig. 1 is present system structural schematic diagram.
Fig. 2 is the structure type schematic diagram (fixed plate-hammer-type structure, cross section) that the present invention breaks up drying machine rotor.
Fig. 3 is the structure type schematic diagram (movable plate-hammer-type structure, cross section) that the present invention breaks up drying machine rotor.
Fig. 4 is the structure type schematic diagram (cage bar type structure, cross section) that the present invention breaks up drying machine rotor.
Fig. 5 is the structure type schematic diagram (screw blade formula structure, vertical section) that the present invention breaks up drying machine rotor.
Fig. 6 is that schematic diagram is arranged in present system measuring point.
Specific embodiment
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, industry by-product gypsum dewatering system provided by the invention, comprising: the batcher 1 to supply raw material, it will
Wet stock removing Free water breaks up dryer 2, collects the cyclone separator 1 of material drying, material drying is removed and is crystallized
The dehydration furnace 4 of water collects the cyclone separator 25 of material after dehydration, stores the feed bin 9 of product, purify the bag type dust collection of exhaust gas
Device 6 provides the centrifugal blower 7 of power for system airflow flowing, discharges the chimney 8 of exhaust gas, and drying and dehydration for material
The hot-blast stove 10 of heat source is provided.
Wherein:
Batcher 1 is provided with inverted square cone hopper 1a, and hopper side wall is equipped with vibrator 1b, and hopper lower part is equipped with
Double helix feeding device 1c.
Dryer 2 is broken up, by shell 2c and rotor 2d is broken up and constitutes, is equipped with material inlet a 2a, an air inlet 2b
With an air outlet 2e.With reference to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, breaing up rotor 2d can be one of following several structures: fixed bar
Formula, movable plate-hammer-type, cage bar type structure, screw blade formula.Break up rotor 2d and provide power by speed regulating motor, main function be by
The material scattering of reunion.It is wrapped up outside shell 2c with thermal insulation material.
Cyclone separator 1 is heavy duty detergent cyclone separator, and separative efficiency is between 95%-99.9%.It is provided with tangential
Import 3a, upper housing 3b are cylindrical body, and lower case 3c is inverted conical body, and the center upper housing 3b is equipped with exhanst gas outlet 3e.
Air valve 3d is equipped on the feeder pipe for being located at lower case 3c cone mouth.Air valve 3d can be revolution air valve or flap valve.
Dehydration furnace 4, structure are gooseneck type circular pipe structure, are equipped with hot wind inlet a 4a, 2 feed inlet 4c and one
Export 4d.Hot wind inlet 4a is located at bottom of furnace body, is back taper throat structure.Feed inlet 4c is located above air inlet at 1-2m,
Feed inlet 4c and furnace body center line (airflow direction) are in 40 ° -60 ° of angle.Down position, which is omited, in feed inlet 4c in furnace is equipped with object
Expect disperser 4b.Furnace body need to use Insulation, according to process conditions can using two kinds of forms of inside holding or external thermal insulation it
One.
Cyclone separator 25 is heavy duty detergent cyclone separator, and separative efficiency is between 95%-99.9%.Its body construction
It is identical as cyclone separator 1.Difference place is, the feeder pipe of cyclone separator 25 other than being equipped with an air valve 5d,
It is additionally provided with a material distributing valve 5e.The effect of material distributing valve 5e is that partial material is allowed to recycle, to extend material in the intracorporal stop of furnace
Between.
Bag filter 6 is equipped with screw conveyor 6a and is carried out ash discharge using pulsed purge mode.
Centrifugal blower 7, can be using one of two kinds of forms of frequency control and fixed rotating speed.The import of centrifugal blower 7 connects
Pipeline is equipped with volume damper 7a, outlet connection chimney 8.
Feed bin 9 is cylindrical structure.Feed bin wall surface is equipped with insulating layer, can use inside holding or two kinds of external thermal insulation
One of form.Orlop is equipped with strength fluidizer.Feed bin import is equipped with storehouse formula Pneumatic conveying pump 9a, and outlet is equipped with gate valve.
Hot-blast stove 10 has insulation construction resistant to high temperature, can be using coal dust, combustion gas or fuel oil as fuel.Hot-blast stove
Outlet conduit is equipped with one 10a of triple valve, one 10b of cold blast sliding valve 10c and volume damper, each serves as control gas piping, adjusts
It saves wind-warm syndrome and adjusts the effect of flow.Pipeline is equipped with high-temperature-resistant thermal-insulation layer.
Specific connection type are as follows:
The wind pipe of hot-blast stove 10 is two-way through one 10a of triple valve point: all the way successively by one 10b of flow control valve,
After two 10c of triple valve, with from cyclone separator 25 export 5c exhaust gas merger, then successively pass through one 10d of cold blast sliding valve and flow
It is connected after two 10e of regulating valve with the import 2a for breaing up dryer 2.Another way passes through two 10f of cold blast sliding valve and flow control valve three
After 10g, it is connected with the hot wind inlet 4a of dehydration furnace 4.The object of dryer 2 is broken up in the helixes feed equipment 1c link of batcher 1
Expect import 2a.The waste gas outlet 2e for breaing up dryer 2 is connected by pipeline with the import 3a of cyclone separator 1.Whirlwind point
Feed inlet 4c from the flap valve 3d connection dehydration furnace 4 on one 3 feeder pipe of device.The outlet 4d and cyclone separator 25 of dehydration furnace 4
Import 5a be connected.Dividing on 25 feeder pipe of cyclone separator from material distributing valve 5e is two-way: connecting dehydration furnace feed inlet all the way
4c, another way connections storehouse formula Pneumatic conveying pump 9a, storehouse formula Pneumatic conveying pump 9a is through pipeline product to feed bin 9.Cyclonic separation
The outlet 5c of device 25 is connected through pipeline with two 10c of triple valve on pipeline of hot air furnace is connect.The outlet 3e of cyclone separator 1
Connect the import of bag filter 6.The ash discharge of bag filter 6 is connected through pipeline with the feed inlet 4c of dehydration furnace.Pocket type is received
The outlet of dirt device 6 is connected by flow control valve 7a with the import of centrifugal blower 7.The outlet of centrifugal blower 7 is connected with chimney 8
It connects.
The working principle of present system is: wet stock is broken up after dryer 2 breaks up, and comes into full contact with removing with thermal current
Fall most of Free water, mobility greatly improves.Enter dehydration furnace 4 after the collection of cyclone separator 1, in a manner of suspended state
(high degree of dispersion state) carries out high-efficiency dehydration.Dewatered material is pumped after the collection of cyclone separator 25 with storehouse formula pneumatic conveying
Quenched and storage is carried out to feed bin 9.Since temperature is higher in dehydration furnace 4, exhaust gas is worth with recuperation of heat, therefore by cyclonic separation
Dryer 2 is broken up in the introducing of 25 exit gas of device, and waste heat is enable to utilize.The exhaust gas being discharged from the outlet of cyclone separator 1, by
It is lower in temperature, water vapour content is high, do not have utility value, through bag filter 6 purification after, sent by centrifugal blower 7 to cigarette
Chimney 8 discharges.The thin material collected from bag filter 6, which is sent to dehydration furnace 4, to be continued to be dehydrated.
The measuring point of system is according to shown in attached drawing 6: hot wind outlet of still is equipped with temperature and pressure measuring point one, is breaing up dryer heat
Temperature and pressure measuring point two is arranged in wind inlet, dryer waste gas outlet setting temperature and pressure measuring point three is being broken up, in whirlwind point
Setting temperature and pressure measuring point four is exported from device 1, temperature and pressure measuring point five is set in dehydration furnace import, is fed in dehydration furnace
Temperature and pressure measuring point six is set above mouthful, temperature and pressure measuring point seven is set in dehydration outlet of still, is set in cyclone separator 25
Temperature and pressure measuring point eight is set, temperature and pressure measuring point nine is set in centrifugal blower entrance.
The structure of dryer is broken up using fixed plate-hammer-type, as shown in Fig. 2, hot-blast stove 10 uses pulverized coal as fuel.Hot wind
Furnace 10 and dehydration furnace 4 break up dryer 2 and use outer cladding glass fibre all by the way of internal pouring fireproof material insulating layer
Heat preserving mode.Use raw material for ardealite, free water content 25%.
Concrete operations parameter are as follows:
The temperature for controlling measuring point one is 900 DEG C~950 DEG C, and pressure is -500Pa~-300Pa；Fixed feeding quantity, is adjusted cold
Air-valve two 10f and 10d and flow control valve one 10b, 10e and 10g make 100 DEG C~120 DEG C of temperature of measuring point three, measuring point
Seven temperature is 160 DEG C~180 DEG C.30min~120min is kept the temperature to the product in feed bin 9.
It is controlled according to the above operating parameter, can be obtained the high-quality building gypsum plaster that credit rating reaches 3.0.
The present invention is capable of handling the biggish raw material of water content fluctuating change, is applicable in various types of industry by-product gypsums
Property is fine；The adjusting control of system process parameters is flexible and convenient, and equipment proper capacity is strong, is content with very little while producing multiple product
Requirement, it is easy to accomplish large-scale continuous production.For the cost of system well below the cost of inlet system, overall investment is only same
1/3 or so of scale inlet system.Calculated using the present invention, energy consumption is only the 50~75% of type of industry, production cost
Sharp fall.System discharge is far below national emission standard, dust emission < 10mg/m3.The present invention be China it is widely distributed,
The industry by-product gypsum of type multiplicity provides a kind of low cost, high-performance, the good dehydrating equipment of applicability, has wide
Application prospect.
Claims (7)
1. a kind of industry by-product gypsum dewatering system, including the batcher (1) for supplying raw material, which is characterized in that described to give
Material machine (1) connection is described to break up dryer (2) connection for receiving for breaing up wet stock removing Free water dryer (2)
Collect the cyclone separator one (3) of its material drying, cyclone separator one (3) connection is for taking off separating obtained material drying
Except the dehydration furnace (4) of the crystallization water, dehydration furnace (4) connection is used to collect the cyclone separator two (5) of material after dehydration, described
Cyclone separator two (5) connects the feed bin (9) for storing product, and dryer (2) and dehydration furnace are broken up in hot-blast stove (10) connection
(4), heat source is provided for the drying of material and dehydration；The cyclone separator one (3) connects the bag type dust collection for purifying exhaust gas
Device (6), for the centrifugal blower (7) that system airflow flowing provides power connect the bag filter (6) and for discharging it is useless
The chimney (8) of gas.
2. industry by-product gypsum dewatering system according to claim 1, which is characterized in that the batcher (1) is provided with down
The square cone hopper (1a) set, hopper (1a) side wall are equipped with vibrator (1b), and the hopper lower part (1a) is equipped with double helix feed dress
Set (1c)；
Described to break up dryer (2) and mainly by shell (2c) and break up rotor (2d) and constitute, shell (2c) is equipped with one upwards
Material inlet (2a), a horizontal air inlet (2b) and a upward air outlet (2e), the material inlet (2a) are held
The feed of double helix feeding device (1c) is connect, the air inlet (2b) connects the hot wind of hot-blast stove (10)；
The cyclone separator one (3) includes the upper housing (3b) of cylindrical structure and the lower case of inverted conical body structure
(3c) is provided with tangential entry (3a) on upper housing (3b), and the upper housing center (3b) is equipped with exhanst gas outlet (3e), lower case
The feeder pipe of (3c) cone mouth is equipped with air valve (3d), and the tangential entry (3a) connect with air outlet (2e)；
The dehydration furnace (4) is gooseneck type circular pipe structure, vertically arranged, is equipped with a hot wind inlet (4a), 2 feed inlets
(4c) and one outlet (4d), furnace is interior to be equipped with material dispersion device (4b) in feed inlet (4c) down position, the hot wind inlet
(4a) connects the hot wind of hot-blast stove (10)；
The cyclone separator two (5) includes the upper housing (5b) of cylindrical structure and the lower case of inverted conical body structure, on
It is provided on shell (5b) tangential entry (5a), the upper housing center (5b) is equipped with exhanst gas outlet (5c), lower case cone mouth
Feeder pipe is equipped with air valve (5d) and material distributing valve (5e), and the tangential entry (5a) connect with outlet (4d)；
The blanking of cyclone separator two (5) is divided into two-way by the material distributing valve (5e), all the way splicing storehouse (9), another way and whirlwind
The blanking of separator one (3) connects 2 feed inlets (4c) of dehydration furnace (4) respectively；
The entrance of the bag filter (6) meets exhanst gas outlet (3e), and dust removal port connects the feeder pipe of cyclone separator one (3)；
The exhanst gas outlet of import connection bag filter (6) of the centrifugal blower (7), outlet connection chimney (8).
3. industry by-product gypsum dewatering system according to claim 2, which is characterized in that it is described break up rotor (2d) use with
Under one of several structures: fixed plate-hammer-type, movable plate-hammer-type, cage bar type structure and screw blade formula, break up rotor (2d) by
Speed regulating motor provides power；
It is wrapped up outside the shell (2c) with thermal insulation material；
The cyclone separator one (3) and cyclone separator two (5) are heavy duty detergent cyclone separator, and separative efficiency is in 95%-
Between 99.9%；
The air valve (3d) and air valve (5d) are revolution air valve or flap valve；
The hot wind inlet (4a) is located at dehydration furnace (4) bottom of furnace body, is back taper throat structure, and the feed inlet (4c) is located at
Above hot wind inlet (4a) at 1-2m, feed inlet (4c) and furnace body center line namely airflow direction are in 40 ° -60 ° of angle；
Dehydration furnace (4) furnace body is using one of two kinds of forms of inside holding or external thermal insulation；
The bag filter (6) uses pulsed purge mode, is equipped with screw conveyor (6a) and carries out ash discharge；
The centrifugal blower (7) is using one of two kinds of forms of frequency control and fixed rotating speed, with the company between bag filter (6)
Adapter tube road is equipped with flow control valve (7a).
4. industry by-product gypsum dewatering system according to claim 2, which is characterized in that hot-blast stove (10) outlet conduit
It is equipped with triple valve one (10a), hot wind is divided into two-way, takes the air inlet (2b) of scattered dryer (2) all the way, and in connecting tube
Road is disposed with flow control valve one (10b), triple valve two (10c), cold blast sliding valve one (10d) and flow control valve two
(10e), wherein triple valve two (10c) is also connected with the exhanst gas outlet (5c) of cyclone separator two (5)；Another way connects dehydration furnace (4)
Hot wind inlet (4a), and cold blast sliding valve two (10f) and flow control valve three (10g) are disposed on connecting line.
5. industry by-product gypsum dewatering system described in -4 any claims according to claim 1, which is characterized in that the hot wind
Furnace (10) has insulation construction resistant to high temperature, using coal dust, combustion gas or fuel oil as fuel.
6. industry by-product gypsum dewatering system described in -4 any claims according to claim 1, which is characterized in that the feed bin
It (9) is cylindrical structure, feed bin wall surface is equipped with the insulating layer using one of two kinds of forms of inside holding or external thermal insulation, and orlop is set
There is strength fluidizer, feed bin import is equipped with storehouse formula Pneumatic conveying pump (9a), and outlet is equipped with gate valve.
7. industry by-product gypsum dewatering system according to claim 1, which is characterized in that the separating obtained material drying exists
Dehydration furnace is dehydrated in a manner of suspended state in (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821153068.3U CN208649141U (en) | 2018-07-19 | 2018-07-19 | A kind of industry by-product gypsum dewatering system |
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| CN201821153068.3U CN208649141U (en) | 2018-07-19 | 2018-07-19 | A kind of industry by-product gypsum dewatering system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569853A (en) * | 2018-07-19 | 2018-09-25 | 西安建筑科技大学 | A kind of industry by-product gypsum dewatering system and technique |
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2018
- 2018-07-19 CN CN201821153068.3U patent/CN208649141U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569853A (en) * | 2018-07-19 | 2018-09-25 | 西安建筑科技大学 | A kind of industry by-product gypsum dewatering system and technique |
| CN108569853B (en) * | 2018-07-19 | 2023-10-31 | 西安建筑科技大学 | Industrial byproduct gypsum dehydration system and process |
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Assignee: Pucheng Huaqing Green New Materials Co.,Ltd. Assignor: XI'AN University OF ARCHITECTURE & TECHNOLOGY Contract record no.: X2020980010020 Denomination of utility model: A dehydration system for industrial by product gypsum Granted publication date: 20190326 License type: Common License Record date: 20201229 |
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