CN202558982U - Threaded-rod mixing dissolving machine for preparation of poly-p-phenylene diamine terephthalamide (PPTA) spinning solution - Google Patents
Threaded-rod mixing dissolving machine for preparation of poly-p-phenylene diamine terephthalamide (PPTA) spinning solution Download PDFInfo
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- CN202558982U CN202558982U CN2011204862451U CN201120486245U CN202558982U CN 202558982 U CN202558982 U CN 202558982U CN 2011204862451 U CN2011204862451 U CN 2011204862451U CN 201120486245 U CN201120486245 U CN 201120486245U CN 202558982 U CN202558982 U CN 202558982U
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- 238000009987 spinning Methods 0.000 title claims abstract description 113
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 title claims abstract description 80
- 238000002156 mixing Methods 0.000 title abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 7
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 title abstract 2
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 title abstract 2
- 238000007872 degassing Methods 0.000 claims description 58
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- 238000004898 kneading Methods 0.000 claims description 9
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- 238000004519 manufacturing process Methods 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 9
- 238000004090 dissolution Methods 0.000 description 7
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- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000001404 mediated effect Effects 0.000 description 2
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- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a threaded-rod mixing dissolving machine for preparation of poly-p-phenylene diamine terephthalamide (PPTA) spinning solution and belongs to the field of aramid fiber production technical equipment. The threaded-rod mixing dissolving machine comprises a premixing screw extruder and a mixed solution screw extruder. The premixing screw extruder is provided with a threaded rod. One end of the threaded rod is connected with a power source. The other end of the threaded rod is communicated and fixedly connected with the mixed solution screw extruder through a connecting piece. The mixed solution screw extruder is also provided with a threaded rod. One end of the threaded rod is connected with the power source. A discharge port is arranged at the other end of the threaded rod. The threaded rod is tightly matched with a shell. The threaded-rod mixing dissolving machine for preparation of the PPTA spinning solution overcomes the existing defects of known aramid fiber solution equipment, has the advantages of being high in mixing efficiency of materials for the spinning solution, short in time consumption, full and complete in dissolving, good in defoaming effect, simultaneous in defoaming and dissolving, easy to push the materials, high in solution quality, low in spinning breakage rate, and high in quality of finished filaments and easy to industrialize again, having no degradation, ensuring subsequent spinning to be continuous and smooth, and greatly promoting the localization process of aramid fiber spinning.
Description
Technical field
The utility model discloses a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution, belong to and produce special high-performance fibre technology apparatus field, belong to aramid fiber production technology apparatus field especially.
Background technology
PPTA has characteristic and characteristics such as high strength, high-modulus, high temperature resistant, acid and alkali-resistance, organic solvent-resistant burn into density is low, and has the appropriate toughness processing of can weaving.Because of PPTA has high intensity, be 5～6 times of high-quality steel, modulus is steel, glass fibre 2～3 times, toughness is 2 times of steel, and weight is merely 1/5 of steel, has the good reputation of " artificial steel wire " with its spun silk." artificial steel wire " has important applying value in fields such as Aero-Space, defence and military, protection plate armour, senior tire, traffic bridge, Structural Engineering, communication optical fiber, pipeline under the ocean, civil structure engineerings.
At present, have only four companies in the world, have and to produce the long stapled technology of PPTA by industrial scale; Two families that production capacity is big are du pont company and Japanese Supreme Being people company; Du Pont's production capacity is 3.3 ten thousand tons/year, and Supreme Being people's production capacity is 2.65 ten thousand tons/year, and this two family is providing the product of various models for the client of whole world demand high-performance fiber; The large-scale industrial production technology that they grasp does not more have the export of techniques and permission to global various countries to external world without literary records; Two families that production capacity is little are 1000 tons/year in Korea S Cologne and Muscovite 1000 tons/year, and their production technology does not externally have character introduction yet, does not equally have the export of techniques and permission yet.
Because of the aramid fiber long fiber has irreplaceable important applying value in fields such as military affairs, national defence, but the non-state that has of technology is all making great efforts the production technology that development searching heavy industrialization reproduces.
In the production technology that heavy industrialization reproduces; An important step is the preparation of aramid fiber spinning solution; The preparation equipment of known PPTA spinning solution is agitated reactor, in agitated reactor with PPTA powder and sulfuric acid according to a certain percentage condition put into, utilize that agitating device stirs in the agitated reactor; Mixed dissolution becomes the liquid crystal state spinning solution, and this agitated reactor equipment dissolving stoste exists following problem:
Since the agitated reactor stirring efficiency low, mixing of materials, the dissolving length consuming time and be difficult to control, shear efficiency is low, mixing efficiency is poor, causes material dissolution to be difficult to reach ideal effect;
2. agitated reactor stirring deaeration efficient is low, and material deaeration efficient is poor, has a strong impact on follow-up spinning; The stoste of coming out will be sent to special defoaming device and carry out the deaeration processing, and the material deaeration is in another equipment, to carry out, and causes the batch process between two equipment long, influences carrying out smoothly of follow-up continuous spinning; Also there are mass transport problem and switching problem of identical device between the equipment etc.
3, the dissolving of material, deaeration are consuming time long, and the material degraded is serious, has a strong impact on product quality;
Owing to have above-mentioned defective, make that PPTA spinning continuous high-efficient suitability for industrialized production is difficult to realize.
200580036059.5 number Chinese patent discloses and a kind ofly with double screw extruder PPTA has been dissolved in the method in the sulfuric acid; What relate in the authorization text is single-stage double screw extruder (integral body that is double screw extruder is single structure); Accomplish the dissolution process of multiple tracks so of PPTA with the double screw extruder of single-stage, the length of single-stage twin-screw can be very long, and difficulty is reproduced in industry; And the viscosity of PPTA is very big, and long single-stage twin-screw is passed very difficulty of the big PPTA material of viscosity; These patent disclosed method related products also are not used in the device sales of suitability for industrialized production on market; 200580036059.5 number patent also can't resolve the problem of stoste preparation in China's aramid fiber localization process.
In the face of present situation, press for the preparation equipment of a kind of aramid fiber spinning solution of independent development success as early as possible, address the above problem, to reverse the situation of the long-term dependence on import of China's aramid fiber long fiber.
Summary of the invention
The purpose of the utility model has provided a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution, its have spinning solution with mixing of materials efficient height, weak point consuming time, controllable temperature, dissolving fully fully, effective, the deaeration dissolving of deaeration carries out simultaneously, do not have that degraded, material advance easily, the stoste quality is high, guarantee that follow-up spinning is smooth and easy continuously, the spinning outage is low, the finished silk quality high, the easy characteristics of industrialization reproduction.
The purpose of the utility model is achieved in that a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution; It has premixed screw extruder and miscible screw extruder; The premixed screw extruder has screw rod; One termination power source of screw rod, the other end of screw rod is communicated with fixed connection through connector with miscible screw extruder; Miscible screw extruder also has screw rod, a termination power source of screw rod, and the other end of screw rod is a discharging opening, the screw rod close match has housing;
Wherein, screw rod can be twin-screw or three screw rods or multiscrew, and multiscrew is meant the screw rod that three screw rods are above;
Outside is surrounded by heating plate;
Attemperating unit is housed on the heating plate;
A kind of structure that is used to prepare the screw mixes dissolving machine of PPTA spinning solution is: on the premixed screw extruder feeding section is arranged, have miscible section on the miscible screw extruder;
The length range of premixed screw extruder feeding section is 4D to 20D, and the length range that miscible screw extruder is miscible section is 20D to 160D; The scope of D is 20 millimeters to 400 millimeters;
The preferred length range of premixed screw extruder feeding section is 6D to 16D, and miscible section preferred length range of miscible screw extruder is 20D to 120D;
Specifically can be: premixed screw extruder feeding section length be 4D, and the length that miscible screw extruder is miscible section is 160D; Or premixed screw extruder feeding section length is 8D, and the length that miscible screw extruder is miscible section is 120D; Or premixed screw extruder feeding section length is 8D, and the length that miscible screw extruder is miscible section is 72D; Or premixed screw extruder feeding section length is 14D, and the length that miscible screw extruder is miscible section is 100D; Or premixed screw extruder feeding section length is 20D, and the length that miscible screw extruder is miscible section is 60D.
The another kind of structure that is used to prepare the screw mixes dissolving machine of PPTA spinning solution is: the premixed screw extruder has feeding section and mixer, and miscible screw extruder has miscible section;
The length range of premixed screw extruder feeding section is 4D to 20D, and the length range of mixer is 8D to 60D, and the length range that miscible screw extruder is miscible section is 16D to 100D; The scope of D is 20 millimeters to 400 millimeters
The preferred length range of premixed screw extruder feeding section is 6D to 16D, and the length range of mixer is 8D to 40D, and the length range that miscible screw extruder is miscible section is 16D to 80D;
Specifically can be: premixed screw extruder feeding section length be 4D, and the length of mixer is 8D, and the length that miscible screw extruder is miscible section is 100D; Or the length of premixed screw extruder feeding section is 8D, and the length of mixer is 16D, and the length that miscible screw extruder is miscible section is 56D; Or premixed screw extruder feeding section length is 8D, and the length of mixer is 16D, and the length that miscible screw extruder is miscible section is 80D; Or premixed screw extruder feeding section length is 12D, and the length of mixer is 30D, and the length that miscible screw extruder is miscible section is 60D; Or premixed screw extruder feeding section length is 20D, and the length of mixer is 60D, and the length that miscible screw extruder is miscible section is 60D.
Another structure that is used to prepare the screw mixes dissolving machine of PPTA spinning solution is: the premixed screw extruder has feeding section and mixer, and miscible screw extruder has degassing stages and supercharging section; The scope of D is 20 millimeters to 400 millimeters
The length range of premixed screw extruder feeding section is 4D to 20D, and the length range of mixer is 8D to 100D, miscible screw extruder degassing stages and supercharging section, and the length range of degassing stages is 4D to 40D, the length range of supercharging section is 4D to 20D;
The preferred length range of premixed screw extruder feeding section is 6D to 16D, and the preferred length range of mixer is 8D to 88D, and the preferred length range of miscible screw extruder degassing stages is 4D to 20D, and the preferred length range of supercharging section is 4D to 12D;
Specifically can be: the length of premixed screw extruder feeding section be 4D, and the length of mixer is 100D, and the length of miscible screw extruder degassing stages is 4D, and the length of supercharging section is 4D; Or the length of premixed screw extruder feeding section is 8D, and the length of mixer is 56D, and the length of miscible screw extruder degassing stages is 8D, and the length of supercharging section is 8D; Or the length of premixed screw extruder feeding section is 8D, and the length of mixer is 60D, and the length of miscible screw extruder degassing stages is 12D, and the length of supercharging section is 8D; Or the length of premixed screw extruder feeding section is 12D, and the length of mixer is 20D, and the length of miscible screw extruder degassing stages is 30D, and the length of supercharging section is 12D; Or the length of premixed screw extruder feeding section is 20D, and the length of mixer is 8D, and the length of miscible screw extruder degassing stages is 40D, and the length of supercharging section is 20D.
Another structure that is used to prepare the screw mixes dissolving machine of PPTA spinning solution is: the premixed screw extruder has feeding section and mixer, and miscible screw extruder has miscible section, degassing stages and supercharging section; The scope of D is 20 millimeters to 400 millimeters
The length range of premixed screw extruder feeding section is 4D to 20D; The length range of mixer is 8D to 60D; It is 8D to 100D that miscible screw extruder has miscible section length range, and the length range of degassing stages is 4D to 40D, and the length range of supercharging section is 4D to 20D;
The preferred length range of premixed screw extruder feeding section is 6D to 16D; The preferred length range of mixer is 8D to 40D; Miscible section preferred length range of miscible screw extruder is 8D to 56D; The preferred length range of degassing stages is 4D to 12D, and the preferred length range of supercharging section is 4D to 12D;
Specifically can be: the length of premixed screw extruder feeding section be 4D, and the length of mixer is 8D, and the length that miscible screw extruder is miscible section is 100D, and the length of degassing stages is 4D, and the length of supercharging section is 4D; Or the length of premixed screw extruder feeding section is 8D, and the length of mixer is 12D, and the length that miscible screw extruder is miscible section is 80D, and the length of degassing stages is 8D, and the length of supercharging section is 8D; Or the length of premixed screw extruder feeding section is 8D, and the length of mixer is 16D, and the length that miscible screw extruder is miscible section is 40D, and the length of degassing stages is 8D, and the length of supercharging section is 8D; Or the length of premixed screw extruder feeding section is 12D, and the length of mixer is 30D, and the length that miscible screw extruder is miscible section is 40D, and the length of degassing stages is 30D, and the length of supercharging section is 12D; Or the length of premixed screw extruder feeding section is 20D, and the length of mixer is 60D, and the length that miscible screw extruder is miscible section is 8D, and the length of degassing stages is 40D, and the length of supercharging section is 20D.
Wherein, screw rod is by one start screw block structure or double thread block structure or mediate threaded block or reverse one start screw piece or reverse double thread block structure are formed alone or in combination.
Have 1 or 2 or 3 or 4 or 5 or a plurality of exhaust chamber on the miscible screw extruder, the exhaust chamber vacuum machine that is tightly connected.
The advantage of the said technical scheme of the utility model is: because the structure that the described spinning solution screw mixes of the utility model dissolving machine has adopted the two-stage screw rod to connect through dismantled and assembled connector; Industrialization is reproduced and is very easy to; Solve long bolt material of single-stage and passed problems such as difficulty; Not only overcome the deficiency of No. 200580036059.5 patent existence, and improved the quality of follow-up spinning solution greatly, guaranteed that subsequent production is smooth; Reduce the fracture of wire phenomenon and occur, greatly promoted homemade aramid fiber process of industrialization;
Because what the described spinning solution screw mixes of the utility model dissolving machine structure adopted is on twin-screw, three screw rods, four screw rods, five screw rods, multiscrew; According to demand string cover one start screw block structure or double thread block structure or mediate threaded block or reverse one start screw piece or reverse double thread block structure structure alone or in combination, conveniently realize and satisfy the PPTA powder becoming required liquid crystal state spinning solution to prepare different requirement condition in the process with the sulfuric acid mixed dissolution;
Because the various combination of the inner member structure that the described spinning solution screw mixes of the utility model dissolving machine structure adopts uses; Make material can receive multiple active forces such as propelling, shearing, dispersion, mixing and kneading; Can realize material suffered shearing force and control of time of staying length in screw extruder are reached good mixed dissolution state;
Because what the described spinning solution screw mixes of the utility model dissolving machine structure adopted can be twin-screw, three screw rods, four screw rods, five screw rods or multiscrew; Be equipped with varying number; The threaded block combination of various combination, different length, different structure; When increasing production capacity, can also satisfy in the PPTA course of dissolution the active force and the time of staying that must receive, and control, can guarantee dissolving quality and the efficient of PPTA;
Because rationally selecting for use and the preferred compositions of difference in functionality screwing element of the described spinning solution screw mixes of the utility model dissolving machine defoaming device structure; Greatly improved deaeration efficient; Solve the problem that the material deaeration can't resolve for a long time in the PPTA production process, improved the finished silk quality greatly;
Because the described spinning solution screw mixes of the utility model dissolving machine is provided with 1 or 2 or 3 or 4 or 5 or a plurality of exhaust chamber vertically, links to each other with vacuum system through exhaust chamber, and the gas in the material is detached system; In addition through screw rod shear efficiently, peptizaiton; Continual renovation material surface guarantees that the pettiness bubble of material inside is pushed the surface to, has greatly improved the deaeration effect; Making does not have bubble in the material of extruding; Greatly reduce the spinning wire broken rate, make the materials quality of extruding at last improve greatly, satisfy spinning requirement fully.
Because the described spinning solution screw mixes of the utility model dissolving machine structure has adopted in screw rod shell body outer wrap heating plate; Heat to material through heating plate; Dissolving demand by PPTA provides required heat; On the heating plate temp-sensing device is housed simultaneously, can control effectively to the temperature of system and local adjustment; Solved uneven that existing nothing heating temperature control screw extruder exists, had a strong impact on the dissolving quality of PPTA and the problem of efficient along the journey temperature of charge;
Because the synergy of the described spinning solution screw mixes of the utility model dissolving machine structure; Different in addition preferred segments different combinations has guaranteed that spinning solution is high with mixing of materials efficient, and material dissolution is fast, deaeration efficient is high, deaeration is effective; The material degradation rate is low, and material advances easily; Multistage twin-screw spinning solution extruder makes the whole production system controllability strengthen greatly, conveniently regulates and control respectively according to the process characteristic of different operations;
Because the Rational structure of the described spinning solution screw mixes of the utility model dissolving machine is selected; Also solved agitated reactor dissolving in the past; Need to be equipped with special material defoaming device, solved since deaeration in another equipment, cause operation intermittent time between two equipment long, the material degraded is serious and influence the problem that follow-up spinning is carried out continuously smoothly; Also solve agitated reactor dissolving in the past and had mass transport problem and switching problem between the identical device etc. between the equipment.
In a word; The outstanding advantage of the described spinning solution extruder of the utility model is: through the premixed screw extruder PPTA powder and sulfate liquid are mixed the miscible double screw extruder of back entering; Through different threaded blocks and the combination of kneading piece; The control material time of staying therein makes material realize mixing the change procedure that dissolving forms the liquid crystal state spinning solution mutually from solid-liquid two, again through vacuum exhaust chamber and twin-screw shear efficiently, peptizaiton; Under the temperature of needs, reach the purpose of complete deaeration.
Compare with known systems, the appearance of the said technical scheme of the utility model has greatly promoted the continuous production process of aramid fiber spinning industrialization; Mixing, dissolving and three steps of deaeration of PPTA spinning material are perfectly merged to be appearred in the technical scheme of preferred structure design, has improved production efficiency and finished silk quality, saves cost investment.
Description of drawings
Fig. 1 is the said spinning solution screw mixes of a utility model dissolving machine external structure sketch map;
Fig. 2 is the said spinning solution screw mixes of the utility model dissolving machine section structure sketch map one (twin-screw);
Fig. 3 is the said spinning solution screw mixes of the utility model dissolving machine section structure sketch map two (three screw rods);
Fig. 4 is the connector sketch map of the said spinning solution screw mixes of the utility model dissolving machine;
Fig. 5 is that the said spinning solution screw mixes of the utility model dissolving machine connector connects sketch map;
Fig. 6 is the said spinning solution screw mixes of the utility model dissolving machine embodiment one structural representation;
Fig. 7 is the said spinning solution screw mixes of the utility model dissolving machine embodiment two structural representations;
Fig. 8 is the said spinning solution screw mixes of the utility model dissolving machine embodiment three structural representations;
Fig. 9 is the said spinning solution screw mixes of the utility model dissolving machine embodiment four structural representations;
Figure 10 is the said spinning solution screw mixes of a utility model dissolving machine one start screw piece plan structure sketch map;
Figure 11 a is the said spinning solution screw mixes of a utility model dissolving machine double thread piece plan structure sketch map;
Figure 11 b is the said spinning solution screw mixes of a utility model dissolving machine double thread piece master TV structure sketch map;
Figure 12 is that the said spinning solution screw mixes of the utility model dissolving machine is mediated the threaded block structural representation;
Figure 13 is the said spinning solution screw mixes of a utility model dissolving machine degasser section structure sketch map;
Among the figure, premixed screw extruder 1, miscible screw extruder 2, connector 3, feeding section 4, miscible section 5, mixer 6, degassing stages 7, supercharging section 8, screw rod 9, housing 10, heating plate 11, heat-insulation layer 12, shell 13, double thread piece 14, one start screw piece 15, mediate threaded block 16, exhaust chamber 17, vacuum machine 18, attemperating unit 19, power source 20, axle 21, aramid fiber spinning mixing of materials chamber 22, observation window 23.
Combine embodiment through accompanying drawing below, the utility model structure explained further details:
The specific embodiment
Embodiment 1
As shown in Figure 1, a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution, it has premixed screw extruder 1 and miscible screw extruder 2;
The two ends of connector 3 are tightly connected with premixed screw extruder 1 and miscible screw extruder 2 respectively, guarantee that material gets into miscible screw extruder 2 from premixed screw extruder 1 through connector 3;
Like Fig. 4, shown in 5; The two ends of connector 3 can be movable connection structures; Two ends are tightly connected with premixed screw extruder 1 and miscible screw extruder 2 respectively through bolt, guarantee that material handling gets into miscible screw extruder 2 from premixed screw extruder 1 through connector 3.Connector 3 also can be that an end adopts Welding Structure, and the other end adopts the removable structure that is tightly connected; With convenient installation and the fractionation that realizes premixed screw extruder 1 and miscible screw extruder 2;
Be fixed with screw rod 9 in the premixed screw extruder 1, a termination power source 20 of screw rod 9, power source 20 can be a motor, the other end of screw rod 9 is communicated with fixed connection through connector 3 with miscible screw extruder 2;
Like Fig. 2, shown in 1, the various threaded block that installs and fixes on the axle 21 constitutes twin-screw 9, and screw rod 9 can also as shown in Figure 3ly be three screw rods; In addition, screw rod 9 can also be four screw rods or five screw rods or multiscrew;
Like Fig. 2, shown in 3; Housing 10 and screw rod 9 close match, housing 10 outsides are surrounded by heating plate 11, and heating plate 11 can be electric heating sheets, water heating plate or oily heating plate, Steam Heating sheet etc.; Attemperating unit 19 is housed on the heating plate 11; Attemperating unit 19 can be the sensing temperature device, can at any time detected mixed material variations in temperature transmitted out, realizes control constantly; Be fixed with heat-insulation layer 12 outside the heating plate 11, guaranteed that further the temperature of charge in the screw rod is constant as required, shell 13 in heat-insulation layer 12 external stabilities;
Be fixed with one start screw piece 15 (shown in figure 10) on the screw rod 9 on demand, double thread piece 14 (shown in Figure 11 a, 11b) is mediated threaded block 16 (shown in figure 12), or reverse one start screw piece, or reverse double thread piece is formed alone or in combination;
Like Fig. 1, shown in 13, on miscible screw extruder 2, have exhaust chamber 17, an end of exhaust chamber 17 is connected with 22 sealings of aramid fiber spinning mixing of materials chamber, the other end of exhaust chamber 17 and vacuum machine, 18 sealings connect, and form defoaming device;
Observe material stoste for ease and change, grasp the deaeration effect, can be sealed and installed with observation window 23 on the exhaust chamber 17;
One, two, three, four, five, six or a plurality of (a plurality of fingers are more than 3) exhaust chamber 17 pass housing 10, heat-insulation layer 12, shell 13 and open at miscible screw extruder 2, are communicated with 22 sealings of aramid fiber spinning mixing of materials chamber;
As shown in Figure 6, the length range of premixed screw extruder 1 feeding section 4 is 4D to 20D, and the length range that miscible screw extruder is 2 miscible sections 5 is 20D to 160D; The scope of D is 20 millimeters to 400 millimeters, has charging aperture on the feeding section 4,
Premixed screw extruder 1 feeding section 4 preferred length ranges are 6D to 16D, and 2 miscible sections 5 preferred length ranges of miscible screw extruder are 20D to 120D;
Concrete structure can be: premixed screw extruder 1 feeding section 4 length are 4D, and the length that miscible screw extruder is 2 miscible sections 5 is 160D;
Or premixed screw extruder 1 feeding section 4 length are 8D, and the length that miscible screw extruder is 2 miscible sections 5 is 120D;
Or premixed screw extruder 1 feeding section 4 length are 8D, and the length that miscible screw extruder is 2 miscible sections 5 is 72D;
Or premixed screw extruder 1 feeding section 4 length are 14D, and the length that miscible screw extruder is 2 miscible sections 5 is 100D;
Or premixed screw extruder 1 feeding section 4 length are 20D, and the length that miscible screw extruder is 2 miscible sections 5 is 60D.
As shown in Figure 7, a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution, its structure and embodiment 1 are basic identical;
Different only is: premixed screw extruder 1 has feeding section 4 and mixer 6, and the length range of feeding section 4 is 4D to 20D, and the length range of mixer 6 is 8D to 60D, and the length range that miscible screw extruder is 2 miscible sections 5 is 16D to 100D;
Wherein, the preferred length range of premixed screw extruder feeding section is 6D to 16D, and the length range of mixer is 8D to 40D, and the length range that miscible screw extruder is miscible section is 16D to 80D;
Concrete structure can be: premixed screw extruder 1 feeding section 4 length are 4D, and the length of mixer 6 is 8D, and the length that miscible screw extruder is 2 miscible sections 5 is 100D;
Or the length of premixed screw extruder 1 feeding section 4 is 8D, and the length of mixer 6 is 16D, and the length that miscible screw extruder is 2 miscible sections 5 is 56D;
Or premixed screw extruder 1 feeding section 4 length are 8D, and the length of mixer 6 is 16D, and the length that miscible screw extruder is 2 miscible sections 5 is 80D;
Or premixed screw extruder 1 feeding section 4 length are 12D, and the length of mixer 6 is 30D, and the length that miscible screw extruder is 2 miscible sections 5 is 60D;
Or premixed screw extruder 1 feeding section 4 length are 20D, and the length of mixer 6 is 60D, and the length that miscible screw extruder is 2 miscible sections 5 is 60D.
Embodiment 3:
As shown in Figure 8, a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution, its structure and embodiment 1 are basic identical;
Different appearance are: premixed screw extruder 1 has feeding section 4 and mixer 6, and the length range of feeding section 4 is 4D to 20D, and the length range of mixer 6 is 8D to 100D;
Wherein, premixed screw extruder 1 feeding section 4 preferred length ranges are 6D to 16D, and mixer 6 preferred length ranges are 8D to 88D;
Miscible screw extruder degassing stages 7 preferred length ranges are 4D to 20D, and supercharging section 8 preferred length ranges are 4D to 12D;
Concrete structure can be: the length of premixed screw extruder 1 feeding section 4 is 4D, and the length of mixer 6 is 100D; The length of miscible screw extruder degassing stages 7 is 4D, and the length of supercharging section 8 is 4D;
Or the length of premixed screw extruder 1 feeding section 4 is 8D, and the length of mixer 6 is 56D; The length of miscible screw extruder degassing stages 7 is 8D, and the length of supercharging section 8 is 8D;
Or the length of premixed screw extruder 1 feeding section 4 is 8D, and the length of mixer 6 is 60D, and the length of miscible screw extruder degassing stages 7 is 12D, and the length of supercharging section 8 is 8D;
Or the length of premixed screw extruder 1 feeding section 4 is 12D, and the length of mixer 6 is 20D, and the length of miscible screw extruder degassing stages 7 is 30D, and the length of supercharging section 8 is 12D;
Or the length of premixed screw extruder 1 feeding section 4 is 20D, and the length of mixer 6 is 8D, and the length of miscible screw extruder degassing stages 7 is 40D, and the length of supercharging section 8 is 20D.
As shown in Figure 9, a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution, its structure and embodiment 1 are basic identical;
Different only is: premixed screw extruder 1 has feeding section 4 and mixer 6, and the length range of feeding section 4 is 4D to 20D, and the length range of mixer 6 is 8D to 60D;
Premixed screw extruder 1 feeding section 4 preferred length ranges are 6D to 16D, and mixer 6 preferred length ranges are 8D to 40D;
2 miscible sections 5 preferred length ranges of miscible screw extruder are 8D to 56D, and degassing stages 7 preferred length ranges are 4D to 12D, and supercharging section 8 preferred length ranges are 4D to 12D;
Concrete structure can be: the length of premixed screw extruder 1 feeding section 4 is 4D, and the length of mixer 6 is 8D; The length that miscible screw extruder is 2 miscible sections 5 is 100D, and the length of degassing stages 7 is 4D, and the length of supercharging section 8 is 4D;
Or the length of premixed screw extruder 1 feeding section 4 is 8D, and the length of mixer 6 is 12D, and the length that miscible screw extruder is 2 miscible sections 5 is 80D, and the length of degassing stages 7 is 8D, and the length of supercharging section 8 is 8D;
Or the length of premixed screw extruder 1 feeding section 4 is 8D, and the length of mixer 6 is 16D, and the length that miscible screw extruder is 2 miscible sections 5 is 40D, and the length of degassing stages 7 is 8D, and the length of supercharging section 8 is 8D;
Or the length of premixed screw extruder 1 feeding section 4 is 12D, and the length of mixer 6 is 30D, and the length that miscible screw extruder is 2 miscible sections 5 is 40D, and the length of degassing stages 7 is 30D, and the length of supercharging section 8 is 12D;
Or the length of premixed screw extruder 1 feeding section 4 is 20D, and the length of mixer 6 is 60D, and the length that miscible screw extruder is 2 miscible sections 5 is 8D, and the length of degassing stages 7 is 40D, and the length of supercharging section 8 is 20D.
Said feeding section 4, PPTA powder and sulfuric acid are through the feeding section 4 of charge door adding premixed screw extruder 1, and material is carried forward, realizes alone or in combination through one start screw piece 15 or double thread piece 14;
Defoaming device (defoaming device also can on other sections of miscible screw extruder 2) is arranged on the degassing stages 7, and the dissolving that leading portion is sent here spinning solution is completely carried out deaeration and is carried forward; Through one start screw piece 15 or double thread piece 14 or reverse one start screw piece or reverse double thread piece or mediate threaded block 16 and realize alone or in combination;
9 pairs of spinning solutions of coming from leading portion of supercharging section carry out supercharging, make screw rod outlet material pressure can satisfy technological requirement better; Realize alone or in combination through one start screw piece 15 or double thread piece 14 etc.;
The described screw mixes dissolving machine of the utility model, the material output of its premixed screw extruder 1 is connected with the material input of miscible screw extruder 2 through described connector 3, and the course of work can be:
Open, the vacuum system that the system deaeration is used, vacuum are 0.08MPa; With logarithmic viscosity number is that to add diameter with 1000g/min and 4000g/min simultaneously through premixed screw extruder 1 charging aperture respectively be 50mm for PPTA powder and the sulfate liquid of 6.23dl/g; Draw ratio is 35, and rotating speed is in the premixed screw extruder 1 of 45rpm, 70～95 ℃ of control reaction temperature; It is 50mm that diameter is clamp-oned through connector 3 in the even back of premix; Draw ratio is 65, and rotating speed is in the miscible screw extruder 2 of 45rpm, and the temperature of controlling miscible screw extruder 2 is 70～95 ℃; The dissolving deaeration time was controlled at 45～60 minutes, and the translucent high-quality spinning solution of glassy yellow is extruded by the discharging opening of miscible screw extruder 2.
The said content of the utility model is not limited in the said content of present embodiment.
Claims (43)
1. screw mixes dissolving machine that is used to prepare the PPTA spinning solution; It is characterized in that: it has premixed screw extruder (1) and miscible screw extruder (2); Premixed screw extruder (1) has screw rod (9); One termination power source (20) of screw rod (9), the other end of screw rod (9) is communicated with fixed connection through connector (3) with miscible screw extruder (2); Miscible screw extruder (2) also has screw rod (9), a termination power source (20) of screw rod (9), and the other end of screw rod (9) connects discharging opening, and screw rod (9) close match has housing (10).
2. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 1 is characterized in that: screw rod (9) is twin-screw or three screw rods or multiscrew.
3. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 2 is characterized in that: housing (10) outside is surrounded by heating plate (11).
4. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 3 is characterized in that: attemperating unit (19) is housed on the heating plate (11).
5. like claim 1 or 2 or 3 or 4 described a kind of screw mixes dissolving machines that are used to prepare the PPTA spinning solution, it is characterized in that: premixed screw extruder (1) has feeding section (4), and the length range of feeding section (4) is 4D to 20D; Miscible screw extruder (2) has miscible section (5), and the length range of miscible section (5) is 20D to 160D; The scope of D is 20 millimeters to 400 millimeters.
6. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 5 is characterized in that: the preferred length range of premixed screw extruder (1) feeding section (4) is 6D to 16D; Miscible section (5) preferred length range of miscible screw extruder (2) is 20D to 120D.
7. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 5; It is characterized in that: premixed screw extruder (1) feeding section (4) length is 4D, and the length of miscible screw extruder (2) miscible section (5) is 160D.
8. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 5; It is characterized in that: premixed screw extruder (1) feeding section (4) length is 8D, and the length of miscible screw extruder (2) miscible section (5) is 120D.
9. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 5; It is characterized in that: premixed screw extruder (1) feeding section (4) length is 8D, and the length of miscible screw extruder (2) miscible section (5) is 72D.
10. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 5; It is characterized in that: premixed screw extruder (1) feeding section (4) length is 14D, and the length of miscible screw extruder (2) miscible section (5) is 100D.
11. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 5; It is characterized in that: premixed screw extruder (1) feeding section (4) length is 20D, and the length of miscible screw extruder (2) miscible section (5) is 60D.
12. like claim 1 or 2 or 3 or 4 described a kind of screw mixes dissolving machines that are used to prepare the PPTA spinning solution; It is characterized in that: premixed screw extruder (1) has feeding section (4) and mixer (6); The length range of feeding section (4) is 4D to 20D, and the length range of mixer (6) is 8D to 60D; Miscible screw extruder (2) has miscible section (5), and the length range of miscible section (5) is 16D to 100D; The scope of D is 20 millimeters to 400 millimeters.
13. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 12; It is characterized in that: the preferred length range of premixed screw extruder (1) feeding section (4) is 6D to 16D, and the length range of mixer (6) is 8D to 40D; The length range of miscible screw extruder (2) miscible section (5) is 16D to 80D.
14. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 12; It is characterized in that: premixed screw extruder (1) feeding section (4) length is 4D; The length of mixer (6) is 8D, and the length of miscible screw extruder (2) miscible section (5) is 100D.
15. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 12; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 8D; The length of mixer (6) is 16D, and the length of miscible screw extruder (2) miscible section (5) is 56D.
16. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 12; It is characterized in that: premixed screw extruder (1) feeding section (4) length is 8D; The length of mixer (6) is 16D, and the length of miscible screw extruder (2) miscible section (5) is 80D.
17. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 12; It is characterized in that: premixed screw extruder (1) feeding section (4) length is 12D; The length of mixer (6) is 30D, and the length of miscible screw extruder (2) miscible section (5) is 60D.
18. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 12; It is characterized in that: premixed screw extruder (1) feeding section (4) length is 20D; The length of mixer (6) is 60D, and the length of miscible screw extruder (2) miscible section (5) is 60D.
19. like claim 1 or 2 or 3 or 4 described a kind of screw mixes dissolving machines that are used to prepare the PPTA spinning solution; It is characterized in that: premixed screw extruder (1) has feeding section (4) and mixer (6); The length range of feeding section (4) is 4D to 20D, and the length range of mixer (6) is 8D to 100D; Miscible screw extruder (2) has degassing stages (7) and supercharging section (8), and the length range of degassing stages (7) is 4D to 40D, and the length range of supercharging section (8) is 4D to 20D; The scope of D is 20 millimeters to 400 millimeters.
20. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 19; It is characterized in that: the preferred length range of premixed screw extruder (1) feeding section (4) is 6D to 16D, and the preferred length range of mixer (6) is 8D to 88D; The preferred length range of miscible screw extruder (2) degassing stages (7) is 4D to 20D, and the preferred length range of supercharging section (8) is 4D to 12D.
21. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 19; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 4D; The length of mixer (6) is 100D; The length of miscible screw extruder degassing stages (7) is 4D, and the length of supercharging section (8) is 4D.
22. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 19; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 8D; The length of mixer (6) is 56D; The length of miscible screw extruder degassing stages (7) is 8D, and the length of supercharging section (8) is 8D.
23. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 19; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 8D; The length of mixer (6) is 60D; The length of miscible screw extruder degassing stages (7) is 12D, and the length of supercharging section (8) is 8D.
24. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 19; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 12D; The length of mixer (6) is 20D; The length of miscible screw extruder degassing stages (7) is 30D, and the length of supercharging section (8) is 12D.
25. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 19; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 20D; The length of mixer (6) is 8D; The length of miscible screw extruder degassing stages (7) is 40D, and the length of supercharging section (8) is 20D.
26. like claim 1 or 2 or 3 or 4 described a kind of screw mixes dissolving machines that are used to prepare the PPTA spinning solution; It is characterized in that: premixed screw extruder (1) has feeding section (4) and mixer (6); The length range of feeding section (4) is 4D to 20D, and the length range of mixer (6) is 8D to 60D; Miscible screw extruder (2) has miscible section (5), degassing stages (7) and supercharging section (8), and the length range of miscible section (5) is 8D to 100D, and the length range of degassing stages (7) is 4D to 40D, and the length range of supercharging section (8) is 4D to 20D; The scope of D is 20 millimeters to 400 millimeters.
27. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 26; It is characterized in that: the preferred length range of premixed screw extruder (1) feeding section (4) is 6D to 16D, and the preferred length range of mixer (6) is 8D to 40D; Miscible section (5) preferred length range of miscible screw extruder (2) is 8D to 56D, and the preferred length range of degassing stages (7) is 4D to 12D, and the preferred length range of supercharging section (8) is 4D to 12D.
28. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 26; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 4D; The length of mixer (6) is 8D; The length of miscible screw extruder (2) miscible section (5) is 100D, and the length of degassing stages (7) is 4D, and the length of supercharging section (8) is 4D.
29. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 26; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 8D; The length of mixer (6) is 12D; The length of miscible screw extruder (2) miscible section (5) is 80D, and the length of degassing stages (7) is 8D, and the length of supercharging section (8) is 8D.
30. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 26; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 8D; The length of mixer (6) is 16D; The length of miscible screw extruder (2) miscible section (5) is 40D, and the length of degassing stages (7) is 8D, and the length of supercharging section (8) is 8D.
31. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 26; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 12D; The length of mixer (6) is 30D; The length of miscible screw extruder (2) miscible section (5) is 40D, and the length of degassing stages (7) is 30D, and the length of supercharging section (8) is 12D.
32. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 26; It is characterized in that: the length of premixed screw extruder (1) feeding section (4) is 20D; The length of mixer (6) is 60D; The length of miscible screw extruder (2) miscible section (5) is 8D, and the length of degassing stages (7) is 40D, and the length of supercharging section (8) is 20D.
33. like claim 1 or 2 or 3 or 4 or 6 or 7 or 8 or 9 or 10 or 11 or 13 or 14 or 15 or 16 or 17 or 18 or 20 or 21 or 22 or 23 or 24 or 25 or 27 or 28 or 29 or 30 or 31 or 32 described a kind of screw mixes dissolving machines that are used to prepare the PPTA spinning solution, it is characterized in that: screw rod (9) is made up of one start screw piece (15), double thread piece (14), kneading threaded block (16), reverse one start screw piece, reverse double thread piece alone or in combination.
34. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 5 is characterized in that: screw rod (9) is made up of one start screw piece (15), double thread piece (14), kneading threaded block (16), reverse one start screw piece or reverse double thread piece alone or in combination.
35. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 12 is characterized in that: screw rod (9) is made up of one start screw piece (15), double thread piece (14), kneading threaded block (16), reverse one start screw piece, reverse double thread piece alone or in combination.
36. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 19 is characterized in that: screw rod (9) is made up of one start screw piece (15), double thread piece (14), kneading threaded block (16), reverse one start screw piece, reverse double thread piece alone or in combination.
37. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 26 is characterized in that: screw rod (9) is made up of one start screw piece (15), double thread piece (14), kneading threaded block (16), reverse one start screw piece, reverse double thread piece alone or in combination.
38. like claim 1 or 2 or 3 or 4 or 6 or 7 or 8 or 9 or 10 or 11 or 13 or 14 or 15 or 16 or 17 or 18 or 20 or 21 or 22 or 23 or 24 or 25 or 27 or 28 or 29 or 30 or 31 or 32 described a kind of screw mixes dissolving machines that are used to prepare the PPTA spinning solution; It is characterized in that: have one or two or three or more exhaust chamber (17) on the miscible screw extruder (2), exhaust chamber (17) the vacuum machine (18) that is tightly connected.
39. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 5; It is characterized in that: have one or two or three or more exhaust chamber (17) on the miscible screw extruder (2), exhaust chamber (17) the vacuum machine (18) that is tightly connected.
40. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 12; It is characterized in that: have one or two or three or more exhaust chamber (17) on the degassing stages (7), exhaust chamber (17) the vacuum machine (18) that is tightly connected.
41. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 19; It is characterized in that: have one or two or three or more exhaust chamber (17) on the degassing stages (7), exhaust chamber (17) the vacuum machine (18) that is tightly connected.
42. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 26; It is characterized in that: have one or two or three or more exhaust chamber (17) on the degassing stages (7), exhaust chamber (17) the vacuum machine (18) that is tightly connected.
43. a kind of screw mixes dissolving machine that is used to prepare the PPTA spinning solution as claimed in claim 33; It is characterized in that: have one or two or three or more exhaust chamber (17) on the degassing stages (7), exhaust chamber (17) the vacuum machine (18) that is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204862451U CN202558982U (en) | 2011-11-30 | 2011-11-30 | Threaded-rod mixing dissolving machine for preparation of poly-p-phenylene diamine terephthalamide (PPTA) spinning solution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204862451U CN202558982U (en) | 2011-11-30 | 2011-11-30 | Threaded-rod mixing dissolving machine for preparation of poly-p-phenylene diamine terephthalamide (PPTA) spinning solution |
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| CN202558982U true CN202558982U (en) | 2012-11-28 |
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| CN2011204862451U Expired - Fee Related CN202558982U (en) | 2011-11-30 | 2011-11-30 | Threaded-rod mixing dissolving machine for preparation of poly-p-phenylene diamine terephthalamide (PPTA) spinning solution |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014881A (en) * | 2012-12-31 | 2013-04-03 | 东华大学 | Device and method for controlling molecular weight degradation in PPTA (Poly-p-phenyleneterephthamide) resin dissolving process |
| CN104888633A (en) * | 2015-06-17 | 2015-09-09 | 江苏广盛源科技发展有限公司 | Vertical type lyocell fiber dissolving machine |
-
2011
- 2011-11-30 CN CN2011204862451U patent/CN202558982U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014881A (en) * | 2012-12-31 | 2013-04-03 | 东华大学 | Device and method for controlling molecular weight degradation in PPTA (Poly-p-phenyleneterephthamide) resin dissolving process |
| CN104888633A (en) * | 2015-06-17 | 2015-09-09 | 江苏广盛源科技发展有限公司 | Vertical type lyocell fiber dissolving machine |
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