CN2132136Y - Stickness strengthening of solid polyester stock and vacuum desiccating drum - Google Patents
Stickness strengthening of solid polyester stock and vacuum desiccating drum Download PDFInfo
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- CN2132136Y CN2132136Y CN 92208843 CN92208843U CN2132136Y CN 2132136 Y CN2132136 Y CN 2132136Y CN 92208843 CN92208843 CN 92208843 CN 92208843 U CN92208843 U CN 92208843U CN 2132136 Y CN2132136 Y CN 2132136Y
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- drum
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- high polymer
- drum body
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Abstract
The utility model relates to a vacuum rotary drum device for the stickiness strengthening of polymer solid materials, which is composed of a drum body, a vacuum device, a heating system and a driving chain. The drum body is cylindrical; the length-diameter ratio of the drum body is 1: 1; the drum body adopts sandwich flow guide bar structure; the drum body is provided with a material inlet, a material outlet and a material peep window; the drum body can obtain 0.1 torr high degree of vacuum. The control of drum temperature adopts liquid phase small inertness heat transfer oil open circulation heating and cooling system; the accuracy of temperature control can reach to 300 DEG (with 1 DEG positive or negative). The driving chain of the vacuum rotary drum is composed of a slip electric motor, a big ratio planet cycloid pin wheel speed reducer, a driving gear and a band brake actuator; the drum body carries out low speed stable rotating through a rolling support; the peep window can observe the dynamic process of the materials at any time.
Description
The utility model belongs to the vacuum drum device of the processing modified usefulness of solid materials.
The drying of polymer solids material, tackify and modification are used " air-flowing type " or " vacuum type " drum device usually and are finished.Air-flowing type is made thermal barrier with rare gas element such as nitrogen, removes moisture and oligomer from carrier.Because micro amount of oxygen can be brought the material degraded, so oxygen level in the nitrogen thermal barrier is needed strict control and will constantly remove micro amount of oxygen with molecular sieve or hydrogen.Because long flow path makes technology be difficult for grasp and control often causes the material caking to need to shut down removing, caking can damage component and shut down maintenance when serious.The vacuum type drum device is because drum body geometrical shape and the unreasonable rotary drum power draw that makes of structure design are big, instability during low-speed running, and because the stopping property difference can't make system reach high dynamic vacuum degree, as better effects is 10 torrs (1500Pa), drum temperature control low precision, high tackify difficult control of temperature, cause the tackify required time long, energy consumption is big, tackify material dispersiveness can not reach greatly gives the modification index of setting earlier, and when adopting biphenyl ether to be heating medium, thermal lag is big, can cause the material local superheating and lump, and cause environmental pollution.
At present external vacuum drum is the garden cylindricality, and length-to-diameter ratio is about 1:1.5, and Fig. 1 is the polyester tackify vacuum drum synoptic diagram of introducing from West Germany Karl Fisher company, and the drum body is the garden cylindricality, and length-to-diameter ratio is 1:1.8; Fig. 2 is the rotary drum synoptic diagram of introducing from Mitsubishi heavy industry Co., Ltd., and the drum body is a biconical, and contact heat transfer efficient is poor.The vacuum drum device of above-mentioned two kinds of forms all easily lumps because of designing the unreasonable material that causes, the tackify weak effect, and product is dispersed big, owing to the heat transfer efficiency difference equipment breakdown takes place easily again.
The shortcoming and defect part that the purpose of this utility model has been abandoned above-mentioned prior art provides the vacuum drum device of a kind of polymer solids material modification, and it can keep condition of high vacuum degree 0.1 torr in optimum temperature range, obtains dispersed little dry tackify product.
The utility model polymer solids material modified vacuum drum device (seeing figure three) is characterized in that by drum body (1), device for vacuum generation, and heating system and transmission chain are formed.Be furnished with feed inlet and outlet (2) on its drum body (1), material hagioscope (3), the drum body is the garden cylindricality, and length-to-diameter ratio is 1:1, and the drum volume is 2-16M
3, be preferably 8M
3, the drum body adopts among sandwich type structure (the figure 4 12) figure five between the drum coating (10) and inner bag (11) slit little, is generally 40-60mm, and the best is 50mm.The drum coating material is 16MnR pressure-volume plate or No. 20 boiler plates, and thickness of slab is 15-20mm, is preferably 15-17mm, and inner bag is for to make through cold worked stainless material, preferably the 1Cr18Ni9Ti material.Thickness of slab is 12-20mm, the best is 15mm, the working accuracy height, it is shaped as volution in the drum interlayer (12) stainless material flow guide bar structure (figure five, 14) to be housed, thickness is 3-8mm, the best is 6mm-8mm, is connected with inner bladder outer wall with the drum inwall by welding, forms groove, the function of flow guide bar is the flow direction of control liquid phase heat-conduction oil, strengthens the homogeneity that oil circulation amount can be improved the rotary drum temperature.
Thermal oil enters bulging interlayer distributing ring by the swivel joint center, goes out by the some orifice flows on the ring, enters corresponding diversion trench, follows diversion trench and return line and enters thermal oil open circuit hydronics.Distributing ring perforate number and flow guide bar number are decided according to the rotary drum size, are generally 3-10, and the best is 4-6, and the return line number is the 4-6 root, and the best is the 2-3 root.
The heating system of drum is the liquid phase heat-conduction oil hydronics, the oil base thermal oil (little inertia) of selecting 320 ℃ of grades for use is a medium, type of heating adopts three grades of regulation and control, one-level is basic heating, and used power is 100KW-110KW, and the best is 100KW, the power that secondary is regulated is 10-15KW, three grades of control power are 1-5Kw, and total power is 100-130KW, and is furnished with 5M
3Heat exchanger, realize that by the 3-way valve servo control mechanism the temperature automatically controlled oil mass that realizes is few, inertia is little, highly sensitive heating system, temperature range are 150-265 ℃, and the best is 240-265 ℃, temperature-controlled precision is ± 1 ℃, heating unit is to adopt the long lifetime nichrome wire promptly to the alloy resistance wire heating of switching in air at room temperature, when requiring equilibrium temperature to be no more than 320 ℃, refills in system and uses.
Device for vacuum generation is to be composed in series the mechanical booster pump group by a water-ring pump and two mechanical pumps, drive water-ring pump Auto Power On tool pump successively more earlier, obtain the small power vacuum system of the amount of taking out greatly, the power of water-ring pump is 5-8KW, and the best is 5.5KW, each mechanical pump power is 1.5-5KW, the best is 3KW, and the maximum amount of taking out is 185 liters/minute, and vacuum tightness is to keep 5 torrs-0.1 torr down at 300 ℃, be preferably the 0.5-0.1 torr, the best is 0.1 torr.
High-throughput solid materials vacuum valve adopts seat formula structure, and when automatic open close was operated, the action of valve was oscilaltion and two actions of horizontal shift, realized interlock by link mechanism, and valve events is light flexibly.Adopt expanded graphite to soak polytetrafluoroethylmulti multi-layer material filling type wear ring (figure 4 13) and guarantee that condition of high vacuum degree and liquid phase fire end do not have the water clock race and emit phenomenon.
The rotation of drum body is dragged by transmission chain to be finished.Transmission chain is by slip electric motor (4), brake sticking brake device (5), big ratio planetary cycloidal pin gear reducer (6), transmitting gear (8) is formed, and rotary drum is to adopt the rolling bearing mode to reduce power draw, and rolling bearing is made up of the spot contact bearing (7) and the support of bearing (9), realization low speed is stablized uniform rotation, rotating speed is by 10 rev/mins to 1 rev/min, and the best is 1 rev/min, to 8M
3The rotary drum power demand only is 3KW, and attaching power is 5.5KW.
Material hagioscope (3) is made up of high temperature resistant withstand voltage transparent material, and adopting quartz glass, window are of a size of φ 150-200mm, and the best is φ 150mm, and it can observe the material dynamic process at any time, realizes optimum process condition.
High polymer solid material vacuum drum device of the present utility model compared with prior art has following advantage:
Prior art the utility model
1, rousing body is the garden cylindricality, and length-to-diameter ratio is the garden post for the composition optimizes of drum shape
1: 1.5 or 1: 1.7 left and right sides shape, length-to-diameter ratio is 1: 1～1: 1.5
2, the not high dynamic vacuum degree height of dynamic vacuum degree
(10 torrs-1 torr) (0.5-0.1 torr)
3, heating system temperature control accuracy of temperature control height, little inertia can
Precision is high precision to 300 ± 1 ℃ not
4, rouse body and adopt the sliding bearing rotary speed unstabilization to rouse body employing rolling bearing surely, drag merit
The big rate of power draw is little, low-speed running (1 rev/min)
Steady running at the uniform velocity.
5, can't observe the material dynamic reaction process has hagioscope can to observe material moving
The attitude reaction process.
6, the easy grume material reaction of material evenly is difficult for grume
7, product is dispersed big dispersed little
8, can't realize that automatization has realized automatization
9, investment is big, and efficient is low, and the big investment of volume is little, takes up an area of little
The utility model has been broken through the function of external existing device, can raise the efficiency and may be used on aspects such as engineering plastics, polyblend greatly by the series of combination of rotary drum.
Embodiment 1(common process)
With ［ η ］=0.64 amorphous polyester PET, 3.5 tons of Tm=256 ℃ of (Kingsoft provides) raw materials drop into 8M
3In the vacuum drum device of (length-to-diameter ratio 1:1) (single-drum single series), vacuum tightness 0.1 torr is at temperature 170-175 ℃, dry 5 hours, 248 ℃ ± 1 ℃ tackify 28 hours, obtain the polyester (PET) of intrinsic viscosity ［ η ］=1.0 ± 0.02, Tm=268 ℃ then.
Embodiment 2
With amorphous polyester (PET) raw material of ［ η ］=0.64, water content 7 ‰ drops into 8M
3In the vacuum drum device of (length-to-diameter ratio 1:1.2) (single-drum single series), vacuum tightness 0.1 torr, through 175 ℃ ± 1 ℃, dry 5 hours water contents are 30PPm.
Figure one, Karl Fisher company vacuum drum schematic diagram
Figure two, Mitsubishi heavy industry Co., Ltd. vacuum drum schematic diagram
Figure three, vacuum drum device front view
Figure four, vacuum drum device positive view
Figure five, 8M3Vacuum drum flow deflector figure
Claims (10)
1, the vacuum drum device used of a kind of high polymer solid material tackify and dry modification, be by revolution sandwich-type rotary drum, device for vacuum generation, heating system is formed, it is characterized in that drum body employing garden cylindricality, length-to-diameter ratio are 1: 1 sandwich structure, the drum body rotates by transmission chain and rolling bearing, three grades of thermoregulated liquid phase heat-conduction oil open circuit hydronics are adopted in the drum temperature control, the drum body reaches dynamic high vacuum by device for vacuum generation and solid materials vacuum valve, and vacuum tightness is the 8-0.1 torr.
2, high polymer solid material tackify according to claim 1 and dry modified vacuum drum device is characterized in that drum coating and inner bag interlayer slit are 40-60mm, and the best is 50mm, and the drum volume is 2-16M
3, be preferably 8M
3
3, high polymer solid material tackify according to claim 1 and dry modified vacuum drum device, it is characterized in that the drum coating material is 16MnR pressure-volume plate or No. 20 boiler plates, thickness of slab is 15-20mm, be preferably 15-17mm, liner material is a stainless material, wall thickness is 12-20mm, and the best is 15mm.
4, high polymer solid material tackify according to claim 1 and dry modified vacuum drum device, it is characterized in that in the drum interlayer flow guide bar structure being housed, the flow guide bar number is decided according to the drum size, generally be adopted as the 3-10 bar, the best is the 4-6 bar, flow guide bar is shaped as volution, and thickness is 6-8mm
5, high polymer solid material tackify according to claim 1 and dry modified vacuum drum device is characterized in that interlayer oil-in place has porous Oil Guide ring to connect into the Oil Guide raceway groove, and the number in hole is generally 3-10, and the best is 4-6.
6, high polymer solid material tackify according to claim 1 and dry modified vacuum drum device is characterized in that bulging transmission chain by slip electric motor, big ratio planetary cycloidal pin gear reducer, and transmitting gear, the brake sticking brake device combines.
7, high polymer solid material tackify according to claim 1 and dry modified vacuum drum device is characterized in that drum adopts the rolling bearing mode, and rotating speed goes to per minute 1 by per minute 10 to be changeed, and the best is that per minute 1 changes, to 8M
3Drum to rotate power demand be that 3KW(attaching power is 5.5KW).
8, high polymer solid material tackify according to claim 1 and dry modified vacuum drum device, it is characterized in that the little inertia thermal oil open circuit of liquid phase hydronics adopts three grades of regulation and control, one-level is basic heating, used power is 100KW-110KW, the best is 100KW, and the power that secondary is regulated is 10-15KW, and the power of three grades of controls is 1-5KW, total power is 100-130KW, and is furnished with 5M
3Heat exchanger, temperature control scope are 150-265 ℃, and temperature-controlled precision is ± 1 ℃, and electrical heating element is the long-life alloy resistance wire.
9, high polymer solid material tackify according to claim 1 and dry modified vacuum drum device, it is characterized in that device for vacuum generation adopts water-ring pump and mechanical pump series combination to form, its amount of taking out is big, can reach 185 liters/minute, vacuum tightness can keep 8 torrs-0.1 torr down at 300 ℃, be preferably the 0.5-0.1 torr, the best is 0.1 torr, its high-throughput solid materials vacuum valve adopts seat formula structure, when automatic open close is operated, the action of valve is oscilaltion and two actions of horizontal shift, realizes interlock by link mechanism.
10, high polymer solid material tackify according to claim 1 and dry modified vacuum drum device is characterized in that on the drum body hagioscope being housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92208843 CN2132136Y (en) | 1992-05-09 | 1992-05-09 | Stickness strengthening of solid polyester stock and vacuum desiccating drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92208843 CN2132136Y (en) | 1992-05-09 | 1992-05-09 | Stickness strengthening of solid polyester stock and vacuum desiccating drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2132136Y true CN2132136Y (en) | 1993-05-05 |
Family
ID=33762561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92208843 Expired - Lifetime CN2132136Y (en) | 1992-05-09 | 1992-05-09 | Stickness strengthening of solid polyester stock and vacuum desiccating drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2132136Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297573A (en) * | 2010-06-25 | 2011-12-28 | 丽王化工(南通)有限公司 | Vacuum dryer |
| CN102380336A (en) * | 2011-09-07 | 2012-03-21 | 金发科技股份有限公司 | Reactor for producing material easy to produce powder, and preparation method of the material |
| CN102825037A (en) * | 2012-09-03 | 2012-12-19 | 金发科技股份有限公司 | Drum vacuum pumping pipe cleaning system and achievement method thereof |
| CN104567298A (en) * | 2015-01-27 | 2015-04-29 | 张家港欣阳化纤有限公司 | Vacuum drum drying equipment for manufacturing chemical fibers |
| CN105352295A (en) * | 2015-11-27 | 2016-02-24 | 成都九十度工业产品设计有限公司 | Acid- and alkali-resistant stirring drier |
| CN105352272A (en) * | 2015-11-27 | 2016-02-24 | 成都九十度工业产品设计有限公司 | Vacuum stirring drying machine |
| CN106827290A (en) * | 2016-12-17 | 2017-06-13 | 佛山市南海新兴利合成纤维有限公司 | A kind of strap raw materials for production preparation technology of Oil-temperature control rotary drum baking material |
-
1992
- 1992-05-09 CN CN 92208843 patent/CN2132136Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297573A (en) * | 2010-06-25 | 2011-12-28 | 丽王化工(南通)有限公司 | Vacuum dryer |
| CN102380336A (en) * | 2011-09-07 | 2012-03-21 | 金发科技股份有限公司 | Reactor for producing material easy to produce powder, and preparation method of the material |
| CN102825037A (en) * | 2012-09-03 | 2012-12-19 | 金发科技股份有限公司 | Drum vacuum pumping pipe cleaning system and achievement method thereof |
| CN104567298A (en) * | 2015-01-27 | 2015-04-29 | 张家港欣阳化纤有限公司 | Vacuum drum drying equipment for manufacturing chemical fibers |
| CN105352295A (en) * | 2015-11-27 | 2016-02-24 | 成都九十度工业产品设计有限公司 | Acid- and alkali-resistant stirring drier |
| CN105352272A (en) * | 2015-11-27 | 2016-02-24 | 成都九十度工业产品设计有限公司 | Vacuum stirring drying machine |
| CN105352295B (en) * | 2015-11-27 | 2017-10-27 | 成都九十度工业产品设计有限公司 | A kind of acidproof alkaline stirring drier |
| CN106827290A (en) * | 2016-12-17 | 2017-06-13 | 佛山市南海新兴利合成纤维有限公司 | A kind of strap raw materials for production preparation technology of Oil-temperature control rotary drum baking material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |