CN106391331A - Hot melting material purification method and device - Google Patents
Hot melting material purification method and device Download PDFInfo
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- CN106391331A CN106391331A CN201610974988.0A CN201610974988A CN106391331A CN 106391331 A CN106391331 A CN 106391331A CN 201610974988 A CN201610974988 A CN 201610974988A CN 106391331 A CN106391331 A CN 106391331A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/02—Other accessories for centrifuges for cooling, heating, or heat insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a hot melting material purification method and device. The hot melting material purification device comprises a base, wherein a uniform temperature box is fixedly installed on the front portion of the base, a centrifugal device is installed on one side of the uniform temperature box, the uniform temperature box is connected with a material preparation pump through one heat preservation conveying pipe, is connected with a feeding pump through a second heat preservation conveying pipe, and is connected with a control valve through a third heat preservation conveying pipe, the three heat preservation conveying pipes are connected with a hot oil circulation system at the same time, the feeding pump is connected with a rotary barrel of the centrifugal device through a pipe, a spiral pusher is installed in the rotary barrel, a residual material outlet is formed in the tail end of the spiral pusher, a purified material outlet is formed in the bottom of the rotary barrel, the purified material outlet is connected with a material outlet pump through a pipe, the control valve is composed of a first control valve body and a second control valve body which are connected in series, and the material outlet pump is arranged between the first control valve body and the second control valve body in a connected manner. The hot melting material purification device further comprises a hot gas circulation system, the hot oil circulation system and a refrigeration unit. Sheet metal cover plates are arranged on all the side faces and the top of the whole device in a covering manner. By adopting the whole set of system, clean materials different in purity can be obtained quickly and conveniently, the working efficiency is high, and the cost is low.
Description
Technical field
The present invention relates to full form casting process technical field, especially a kind of fast under high viscosity hot melt state for material
Speed accurately removes moisture content, ash（High temperature sintering residue includes inorganic salt minerals matter etc.）, oxide, the carrying of the impurity such as carbide
Pure method, and the device that the method is special.
Background technology
Model casting needs using model wax material, and in hot melt state rather to mould, then cooled and solidified becomes model.
After model surface makes multiple layer refractory coating and is dried,（Using water-bath, steam, electric radiation, combustion gas flash burning,
The methods such as microwave）Heating model makes wax material melt and forms hollow mould shell（Term dewaxes）.
So far, model wax material completes one action mission.
The purity level of wax material can badly influence the row yielding of model and the casting product quality of subsequent handling, especially
It is high-grade investment-casting（High temperature alloy, titanium alloy, non-ferrous alloy, Aeronautics and Astronautics, medical field）Pure for wax material
Degree is almost harsh.
At present, in prior art, investment casting enterprise has three kinds for the control usual way of wax material purity level：
One is directly to use brand-new wax material（Wax material supplier prepare on request）, discard after first use dewaxing, casting
Make enterprise and bear higher wax material cost.
Two is using method simple process such as high temperature evaporation eliminating water, long-time standings after dewaxing, again reclaim carry out secondary
Above recycling, saves wax material cost relatively, but because simple process method leads to wax material degree of purity constantly to reduce, ash
Increase, wax material is gone bad by long term high temperature, aoxidizes, carbonization, simultaneously because needing long-time heat preservation to heat, puts into more insulation storage vat,
Lead to energy consumption higher.
Three is that stage supplements brand-new wax material in circulation and stress wax material, suitably improves wax material quality.
Separately have and shorten the eliminating water time using vacuum technique and high density filter bag and filter a part of large granular impurity, play
Certain effect, but in wax material, fine grain ash, oxide, carbide cannot efficiently accurately remove, and vacuum equipment is easily heated
The volatilization of dewaxing material condenses little particle and moisture contamination, and filter bag is easily blocked or damages and need to frequently change.
Separately have and filter a part of large granular impurity using installation filter bag mode in centrifugal barrel, equally cannot efficiently accurately go
Except the impurity such as moisture content and fine grain ash, oxide, carbide in wax material, filter bag is easily blocked or damages and need to frequently change.
Content of the invention
The applicant is directed to the shortcoming in above-mentioned existing production technology, provides a kind of hot melt material method of purification and device,
Thus in atmospheric pressure state work, without optional equipment water trap and standing defecator, inexpensive low energy consumption, being suitable for high-volume
The accurate method of purification of automatization producing and the special device of the method, at utmost recover wax material primary characteristic.
The technical solution adopted in the present invention is as follows：
A kind of hot melt material purifying plant, including base, described base front portion is installed with average temperature case, and the one of described average temperature case
Side is provided with centrifugal device, and described average temperature case is connected with pump of getting the raw materials ready, feed pump and control by three insulation conveyance conduits respectively
Valve, three insulation conveyance conduits are connected with Circulation and Hot Oil Spray system simultaneously, and described feed pump passes through the turning barrel of pipeline and centrifugal device
Connect, augers are installed in described turning barrel, the end of described augers is provided with slag charge discharging opening, described turning barrel
Bottom be provided with purification thing discharging opening, described purification thing discharging opening by pipeline connect discharging pump, described control valve pass through go here and there
First control valve of connection and the second control valve composition, described discharging pump connects between the first control valve and the second control valve；Also
Including hot gas circulating system Circulation and Hot Oil Spray system and refrigeration unit；Panel beating cover plate is stamped at the surrounding side of whole device and top.
Its further technical scheme is：
Described average temperature case is in rectangular structure, is made using stainless steel material, using double layer hollow structure；
The structure of described augers is：Wiper is arranged in turning barrel, and one end driving section of described turning barrel is installed in parallel
There are pusher variable frequency high-speed motor and turning barrel variable frequency high-speed motor, described pusher variable frequency high-speed motor is single with load current detecting
Unit connects, and the other end of described turning barrel is connected with feed pump；
The structure of hot gas circulating system is：Including the frequency conversion air-heater being connected with average temperature case, described frequency conversion air-heater air-out
Mouth connects electrical heating room, and one end air inlet of described frequency conversion air-heater, the outfan of electrical heating room are connected to regulation wind
Valve；
Described Circulation and Hot Oil Spray system includes：Hot oil pump, fuel tank, electric heater, circulating pipe and valve；
The structure of described refrigeration unit is：Centrifugal device is provided with hollow insulation interlayer shell, and it is connected with condenser one end, institute
State and compressor and vaporizer are also associated with condenser, the condenser other end is connected with the outfan adjusting air valve of electrical heating room
Connect；
Also include interface temperature difference control unit, in the temperature difference control unit of described interface, include hygrosensor and temperature controller
Table；Described interface temperature difference control unit one end hygrosensor is arranged on inside average temperature case, and other end hygrosensor is arranged on
Hollow insulation interlayer enclosure.
Described insulation conveyance conduit, the first control valve and the second control valve, all using double braid covering hollow structure, pass to deep fat
Circulation insulation, the first control valve and the second control valve are electromagnetic pneumatic.
A kind of hot melt material method of purification, including following operating procedure：
The first step：Hot melt state material to be purified imports in average temperature case by pump of getting the raw materials ready, and adjusts temperature T1 simultaneously, and T1 is 80-
140 degrees Celsius；
Second step：Turning barrel is preheated, is preheated to temperature T2, T2 is 80-120 degree Celsius；
3rd step：Temperature be T1 hot melt material pumped into at the uniform velocity flow L via feed pump be pre-heated to temperature T2 and by divide
From the centrifugal device turning barrel cavity of factor A operating, to moisture content, ash, oxide, carbide in hot melt state material in turning barrel
Carry out radially accurately being layered Deng different specific weight impurity；Flow L is 0.2-0.8 cube m/h, and separating factor A is 1600-
4000；
4th step：By refrigeration unit and hot gas circulating system linkage adjustment centrifugal device turning barrel cavity maximum diameter barrel interface two
The side temperature difference（Δt=T1-T2）, Δ t be 5-60 degree Celsius, stablize impurity layer thickness H in hot melt material radially layered, thickness H be 2-
50mm, the impurity concentration now depositing to impurity layer is gradually increased；
5th step：Augers are collected impurity layer material and are arranged to slag notch, and load current detecting unit detection frequency conversion spiral pushes away
Send device load current value（I1）With no-load current value（I0）, both ratios of measuring and calculating（C=I1/I0）；I1 is 5.5-7.0, and I0 is 5.1-
6.5, C is 1.05-1.15；
If C value meets setting value, discharge impurity, the first control valve connects in line pipeline simultaneously, discharging pump is expelled directly out pure heat
Molten state material；If C value does not meet setting value, the second control valve connects reflux pipe, and discharging pump is hot melt state material again
Pump to average temperature case, step before repetition.
Beneficial effects of the present invention are as follows：
Present configuration is compact, reasonable, easy to operate, by can quickly and easily obtain different degrees of purity using whole system
Clean materials, high working efficiency, low cost.
Brief description
Fig. 1 is the system construction drawing of the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the front view of the present invention（Omit panel beating cover plate and base）.
Fig. 5 is the top view of Fig. 4.
Wherein：1st, panel beating cover plate；2nd, base；3rd, average temperature case；4th, centrifugal device；5th, get the raw materials ready pump；6th, feed pump；7th, discharging
Pump；8th, augers；9th, interface temperature difference control unit；10th, hot gas circulating system；11st, Circulation and Hot Oil Spray system；12nd, freeze list
Unit；13rd, it is incubated conveyance conduit；14th, the first control valve；15th, air compressor；16th, electric control system；17th, turning barrel frequency conversion is high
Speed motor；18th, driving section；19th, turning barrel；20th, hollow insulation interlayer shell；21st, pusher variable frequency high-speed motor；22nd, load electricity
Stream detecting unit；23rd, wiper；24th, frequency conversion air-heater；25th, electrical heating room；26th, automatic running control module；27th, adjust
Section air-valve；28th, compressor；29th, condenser；30th, vaporizer；31st, ajutage；32nd, the second control valve.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the hot melt material purifying plant of the present embodiment, including base 2, base 2
Front portion is installed with average temperature case 3, and one side of average temperature case 3 is provided with centrifugal device 4, and it is defeated that average temperature case 3 passes through three insulations respectively
Send pipeline 13 to be connected with pump 5 of getting the raw materials ready, feed pump 6 and control valve, three insulation conveyance conduits 13 simultaneously with Circulation and Hot Oil Spray system 11
Connect, feed pump 6 is connected with the turning barrel 19 of centrifugal device 4 by pipeline, is provided with augers 8, spiral pushes away in turning barrel 19
The end sending device 8 is provided with slag charge discharging opening, and the bottom of turning barrel 19 is provided with purification thing discharging opening, purifies thing discharging opening and pass through pipe
Road connects discharging pump 7, and control valve passes through the first control valve 14 of series connection and the second control valve 32 forms, and discharging pump 7 connects to the
Between one control valve 14 and the second control valve 32；Also include hot gas circulating system 10 Circulation and Hot Oil Spray system 11 and refrigeration unit 12；
Panel beating cover plate 1 is stamped at the surrounding side of whole device and top.
Average temperature case 3 is in rectangular structure, is made using stainless steel material, using double layer hollow structure.
The structure of augers 8 is：Wiper 23 is arranged in turning barrel 19, and one end driving section 18 of turning barrel 19 is in parallel
Pusher variable frequency high-speed motor 21 and turning barrel variable frequency high-speed motor 17, pusher variable frequency high-speed motor 21 and load current are installed
Detecting unit 22 connects, and the other end of turning barrel 19 is connected with feed pump 6.
The structure of hot gas circulating system 10 is：Including the frequency conversion air-heater 24 being connected with average temperature case 3, frequency conversion air-heater
24 air outlets connect electrical heating room 25, and one end air inlet of frequency conversion air-heater 24, the outfan of electrical heating room 25 connect respectively
There is adjusting air valve 27.
Circulation and Hot Oil Spray system 11 includes：Hot oil pump, fuel tank, electric heater, circulating pipe and valve.
The structure of refrigeration unit 12 is：Centrifugal device 4 is provided with hollow insulation interlayer shell 20, and it is with condenser 29 one end
It is connected, condenser 29 is also associated with compressor 28 and vaporizer 30, the outfan of condenser 29 other end and electrical heating room 25
Adjusting air valve 27 is connected.
Also include interface temperature difference control unit 9, in interface temperature difference control unit 9, include hygrosensor and temperature control
Instrument；Described interface temperature difference control unit 9 one end hygrosensor is arranged on inside average temperature case 3, and other end hygrosensor is pacified
It is contained in inside hollow insulation interlayer shell 20.
Insulation conveyance conduit 13, the first control valve 14 and the second control valve 32, all using double braid covering hollow structure, pass to heat
Oil circulation insulation, the first control valve 14 and the second control valve 32 are electromagnetic pneumatic.
Concrete structure is as follows：
Mainly there are panel beating cover plate 1, base 2, average temperature case 3, centrifugal device 4, pump 5 of getting the raw materials ready, feed pump 6, discharging pump 7, spiral pushing
Device 8, interface temperature difference control unit 9, hot gas circulating system 10, Circulation and Hot Oil Spray system 11, refrigeration unit 12, insulation conveyance conduit 13
And control valve, air compressor 15, electric control system 16 etc. are constituted.
Average temperature case 3 profile is cuboid, makes of stainless steel material, double layer hollow structure, with hot gas circulating system 10 phase
Even provide Heat preservation, be fixed in gantry base 2, be in frame front end；
Centrifugal device 4 is arranged in gantry base 2, is in rack back, including turning barrel variable frequency high-speed motor 17, driving section 18,
Turning barrel 19, hollow insulation interlayer shell 20；
Augers 8 include pusher variable frequency high-speed motor 21, load current detecting unit 22, driving section 18, wiper
23, it is arranged in centrifugal device 4 turning barrel 19, wiper 23 and turning barrel 19 maximum diameter inwall precision-fit, do not interfere with each other each
Rotate；
Interface temperature difference control unit 9 includes hygrosensor, temperature control instrument；
Hot gas circulating system 10 include frequency conversion air-heater 24, electrical heating room 25, automatic running control module 26, ajutage 31,
Backwind tube, adjusting air valve 27 etc..
Circulation and Hot Oil Spray system 11 includes hot oil pump, fuel tank, electric heater, circulating pipe, valve；
Refrigeration unit 12 includes compressor 28, condenser 29, vaporizer 30, ajutage 31, provides design temperature cold wind；
Insulation conveyance conduit 13 and control valve, all using double braid covering hollow structure, pass to Circulation and Hot Oil Spray insulation, and control valve is electromagnetism
Pneumatic；
Control system comprises operating system and electric actuator part, and operating system is arranged in the automatically controlled cabinet door of shell outside cladding plate
In touch screen computer, electric actuator part is arranged on the space between shell outside cladding plate and average temperature case 3 side.
Embodiment one：
The hot melt material method of purification of the present embodiment, including following operating procedure：
The first step：Hot melt state material to be purified imports in average temperature case 3 by pump 5 of getting the raw materials ready, and adjusts temperature T1 simultaneously, and T1 is
80-140 degree Celsius；
Second step：Turning barrel 19 is preheated, is preheated to temperature T2, T2 is 80-120 degree Celsius；
3rd step：Temperature be T1 hot melt material pumped into at the uniform velocity flow L via feed pump 6 be pre-heated to temperature T2 and by divide
From centrifugal device turning barrel 19 cavity of factor A operating, to moisture content, ash, oxide, carbon in hot melt state material in turning barrel 19
The different specific weight impurity such as compound carries out radially accurately being layered；Flow L is 0.2-0.8 cube m/h, and separating factor A is 1600-
4000；
4th step：By refrigeration unit and hot gas circulating system linkage adjustment centrifugal device turning barrel 19 cavity maximum diameter barrel interface
Temperature difference（Δt=T1-T2）, Δ t be 5-60 degree Celsius, stablize impurity layer thickness H in hot melt material radially layered, thickness H is
2-50mm, the impurity concentration now depositing to impurity layer is gradually increased；
5th step：Augers 8 are collected impurity layer material and are arranged to slag notch, and load current detecting unit 22 detects frequency conversion spiral
Pusher load current value（I1）With no-load current value（I0）, both ratios of measuring and calculating（C=I1/I0）；I1 is 5.5-7.0, and I0 is
5.1-6.5, C are 1.05-1.15.
If C value meets setting value, discharge impurity, the first control valve 14 connects in line pipeline simultaneously, discharging pump 7 is directly arranged
Go out pure hot melt state material；If C value does not meet setting value, the second control valve 32 connects reflux pipe, 7 hot melt shapes of discharging pump
State material again pump to average temperature case 3, step before repetition.
All purification process adopt non-direct contact mode of heating to keep material hot melt state；
For mutually similar hot melt material, set different Δ t=T1-T2, A, L, H, C=I1/I0, then obtain different degrees of purity
Clean materials.
Embodiment two：
The hot melt material method of purification of the present embodiment, including following operating procedure：
The first step：Hot melt state material to be purified imports in average temperature case 3 by pump 5 of getting the raw materials ready, and adjusts temperature T1 simultaneously, and T1 is
120 degrees Celsius；
Second step：Turning barrel 19 is preheated, is preheated to temperature T2, T2 is 110 degrees Celsius；
3rd step：Temperature be T1 hot melt material pumped into at the uniform velocity flow L via feed pump 6 be pre-heated to temperature T2 and by divide
From centrifugal device turning barrel 19 cavity of factor A operating, to moisture content, ash, oxide, carbon in hot melt state material in turning barrel 19
The different specific weight impurity such as compound carries out radially accurately being layered；Flow L is 0.6 cube m/h, and separating factor A is 3500；
4th step：By refrigeration unit and hot gas circulating system linkage adjustment centrifugal device turning barrel 19 cavity maximum diameter barrel interface
Temperature difference (Δ t=T1-T2), Δ t is 10 degrees Celsius, stablizes impurity layer thickness H in hot melt material radially layered, thickness H is
5mm, the impurity concentration now depositing to impurity layer is gradually increased；
5th step：Augers 8 are collected impurity layer material and are arranged to slag notch, and load current detecting unit 22 detects frequency conversion spiral
Pusher load current value (I1) and no-load current value (I0), both ratios (C=I1/I0) of measuring and calculating；I1 is 6.20, I0 is 5.48,
C is 1.13.
6th step：If C value meets setting value, discharge impurity, the first control valve 14 connects in line pipeline, discharging pump 7 simultaneously
It is expelled directly out pure hot melt state material；If C value does not meet setting value, the second control valve 32 connects reflux pipe, discharging pump 7
Hot melt state material again pump to average temperature case 3, step before repetition.
Embodiment three：
The hot melt material method of purification of the present embodiment, including following operating procedure：
The first step：Hot melt state material to be purified imports in average temperature case 3 by pump 5 of getting the raw materials ready, and adjusts temperature T1 simultaneously, and T1 is
100 degrees Celsius；
Second step：Turning barrel 19 is preheated, is preheated to temperature T2, T2 is 90 degrees Celsius；
3rd step：Temperature be T1 hot melt material pumped into at the uniform velocity flow L via feed pump 6 be pre-heated to temperature T2 and by divide
From centrifugal device turning barrel 19 cavity of factor A operating, to moisture content, ash, oxide, carbon in hot melt state material in turning barrel 19
The different specific weight impurity such as compound carries out radially accurately being layered；Flow L is 0.2 cube m/h, and separating factor A is 2000；
4th step：By refrigeration unit and hot gas circulating system linkage adjustment centrifugal device turning barrel 19 cavity maximum diameter barrel interface
Temperature difference (Δ t=T1-T2), Δ t is 10 degrees Celsius, stablizes impurity layer thickness H in hot melt material radially layered, thickness H is
10mm, the impurity concentration now depositing to impurity layer is gradually increased；
5th step：Augers 8 are collected impurity layer material and are arranged to slag notch, and load current detecting unit 22 detects frequency conversion spiral
Pusher load current value (I1) and no-load current value (I0), both ratios (C=I1/I0) of measuring and calculating；I1 is 5.5, I0 is 5.1, C
For 1.07.
6th step：If C value meets setting value, discharge impurity, the first control valve 14 connects in line pipeline, discharging pump 7 simultaneously
It is expelled directly out pure hot melt state material；If C value does not meet setting value, the second control valve 32 connects reflux pipe, discharging pump 7
Hot melt state material again pump to average temperature case 3, step before repetition.
Above description is explanation of the invention, is not the restriction to invention, limited range of the present invention is referring to right
Require, within protection scope of the present invention, any type of modification can be made.
Claims (9)
1. a kind of hot melt material purifying plant it is characterised in that：Including base（2）, described base（2）Front portion is installed with all
Incubator（3）, described average temperature case（3）One side centrifugal device is installed（4）, described average temperature case（3）Pass through three insulations respectively defeated
Send pipeline（13）It is connected with pump of getting the raw materials ready（5）, feed pump（6）And control valve, three insulation conveyance conduits（13）Follow with deep fat simultaneously
Loop systems（11）Connect, described feed pump（6）By pipeline and centrifugal device（4）Turning barrel（19）Connect, described turning barrel（19）
Augers are inside installed（8）, described augers（8）End be provided with slag charge discharging opening, described turning barrel（19）'s
Bottom is provided with purification thing discharging opening, and described purification thing discharging opening connects discharging pump by pipeline（7）, described control valve is by string
First control valve of connection（14）With the second control valve（32）Composition, described discharging pump（7）Connect to the first control valve（14）With
Two control valves（32）Between；Also include hot gas circulating system（10）Circulation and Hot Oil Spray system（11）And refrigeration unit（12）；Whole dress
Panel beating cover plate is stamped at the surrounding side put and top（1）.
2. as claimed in claim 1 a kind of hot melt material purifying plant it is characterised in that：Described average temperature case（3）In cuboid
Structure, is made using stainless steel material, using double layer hollow structure.
3. as claimed in claim 1 a kind of hot melt material purifying plant it is characterised in that：Described augers（8）Knot
Structure is：Wiper（23）It is arranged on turning barrel（19）Interior, described turning barrel（19）One end driving section（18）It has been installed in parallel push
Device variable frequency high-speed motor（21）With turning barrel variable frequency high-speed motor（17）, described pusher variable frequency high-speed motor（21）With load current
Detecting unit（22）Connect, described turning barrel（19）The other end and feed pump（6）Connect.
4. as claimed in claim 1 a kind of hot melt material purifying plant it is characterised in that：Hot gas circulating system（10）Structure
For：Including with average temperature case（3）The frequency conversion air-heater connecting（24）, described frequency conversion air-heater（24）Air outlet connects electrical heating
Room（25）, described frequency conversion air-heater（24）One end air inlet, electrical heating room（25）Outfan be connected to regulation wind
Valve（27）.
5. as claimed in claim 1 a kind of hot melt material purifying plant it is characterised in that：Described Circulation and Hot Oil Spray system（11）Bag
Include：Hot oil pump, fuel tank, electric heater, circulating pipe and valve.
6. as claimed in claim 1 a kind of hot melt material purifying plant it is characterised in that：Described refrigeration unit（12）Structure
For：Centrifugal device（4）It is provided with hollow insulation interlayer shell（20）, itself and condenser（29）One end is connected, described condenser
（29）On be also associated with compressor（28）And vaporizer（30）, condenser（29）The other end and electrical heating room（25）Outfan adjust
Section air-valve（27）It is connected.
7. as claimed in claim 6 a kind of hot melt material purifying plant it is characterised in that：Also include interface temperature difference control unit
（9）, described interface temperature difference control unit（9）Inside include hygrosensor and temperature control instrument；The described interface temperature difference controls
Unit（9）One end hygrosensor is arranged on average temperature case（3）Inside, other end hygrosensor is arranged on outside hollow insulation interlayer
Shell（20）Internal.
8. as claimed in claim 1 a kind of hot melt material purifying plant it is characterised in that：Described insulation conveyance conduit（13）、
First control valve（14）With the second control valve（32）All using double braid covering hollow structure, pass to Circulation and Hot Oil Spray insulation, the first control
Valve（14）With the second control valve（32）For electromagnetic pneumatic.
9. a kind of hot melt material method of purification it is characterised in that：Including following operating procedure：
The first step：Hot melt state material to be purified is by pump of getting the raw materials ready（5）Import average temperature case（3）Interior, adjust temperature T1, T1 simultaneously
For 80-140 degree Celsius；
Second step：By turning barrel（19）Preheated, be preheated to temperature T2, T2 is 80-120 degree Celsius；
3rd step：Temperature is the hot melt material of T1 via feed pump（6）Pumped into at the uniform velocity flow L be pre-heated to temperature T2 and by
The centrifugal device turning barrel of separating factor A operating（19）Cavity, in turning barrel（19）Moisture content, ash, oxygen in the interior state material to hot melt
The different specific weight impurity such as compound, carbide carries out radially accurately being layered；Flow L is 0.2-0.8 cube m/h, separating factor A
For 1600-4000；
4th step：By refrigeration unit and hot gas circulating system linkage adjustment centrifugal device turning barrel（19）Cavity maximum diameter barrel circle
Face temperature difference (Δ t=T1-T2), Δ t is 5-60 degree Celsius, stablizes impurity layer thickness H in hot melt material radially layered, thickness H
For 2-50mm, the impurity concentration now depositing to impurity layer is gradually increased；
5th step：Augers（8）Collect impurity layer material to arrange to slag notch, load current detecting unit（22）Detection frequency conversion
Augers load current value (I1) and no-load current value (I0), both ratios (C=I1/I0) of measuring and calculating；I1 is 5.5-7.0, I0
For 5.1-6.5, C is 1.05-1.15；
6th step：If C value meets setting value, discharge impurity, simultaneously the first control valve（14）Connect in line pipeline, discharging pump（7）
It is expelled directly out pure hot melt state material；If C value does not meet setting value, the second control valve（32）Connect reflux pipe, discharging pump
（7）Hot melt state material again pump to average temperature case（3）, step before repetition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610974988.0A CN106391331B (en) | 2016-11-07 | 2016-11-07 | A kind of hot melt material method of purification and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610974988.0A CN106391331B (en) | 2016-11-07 | 2016-11-07 | A kind of hot melt material method of purification and device |
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| Publication Number | Publication Date |
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| CN106391331A true CN106391331A (en) | 2017-02-15 |
| CN106391331B CN106391331B (en) | 2018-08-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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