CN105032283A - Granulation method and granulation system for 1, 3-bis(citraconoyl formimino) benzene - Google Patents
Granulation method and granulation system for 1, 3-bis(citraconoyl formimino) benzene Download PDFInfo
- Publication number
- CN105032283A CN105032283A CN201510360630.4A CN201510360630A CN105032283A CN 105032283 A CN105032283 A CN 105032283A CN 201510360630 A CN201510360630 A CN 201510360630A CN 105032283 A CN105032283 A CN 105032283A
- Authority
- CN
- China
- Prior art keywords
- still
- benzene
- citraconimidomethyl
- granulation
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Medicinal Preparation (AREA)
Abstract
The invention discloses a granulation method for 1, 3-bis(citraconoyl formimino) benzene. The method comprises the following steps: heating the 1, 3-bis(citraconoyl formimino) benzene to be completely molten into a liquid state; then carrying out heat preservation on the liquid-state 1, 3-bis(citraconoyl formimino) benzene for 1-2 hours at 43-45 DEG C, so that the liquid-state 1, 3-bis(citraconoyl formimino) benzene is converted into glassy-state 1, 3-bis(citraconoyl formimino) benzene; adding the glassy-state 1, 3-bis(citraconoyl formimino) benzene into a granulator, and carrying out granulation. The invention also discloses a granulation system. Continuous granulation can be realized by the granulation system. According to the granulation method and the granulation system, the defects that an existing granulation method is long in extrusion and granulation time and incapable of realizing continuous production are overcome; the 1, 3-bis(citraconoyl formimino) benzene is converted into a glassy state and is then granulated, so that the operation environment is greatly improved, and the production efficiency is improved; the granulation method and the granulation system have a favorable market prospect.
Description
Technical field
The present invention relates to the prilling process of two (citraconimidomethyl) benzene of a kind of anti-recovery agent 1,3-, also relate to the serialization prilling process of two (citraconimidomethyl) benzene of anti-recovery agent 1,3-, belong to anti-recovery agent technical field.
Background technology
Two (citraconimidomethyl) benzene of 1,3-, has another name called 1,3-two (citraconimidomethyl) benzene, PK900, put goods on the market in nineteen ninety-five by Dutch Aksu-Nobel company, be in the world first with the product of anti-recovery agent sold, its chemical constitution is as follows.Two (citraconimidomethyl) benzene at high temperature fusing of 1,3-from the solid-state liquid state directly becoming good fluidity, if slow raised temperature, first can become glassy state from solid-state, then become liquid state again from glassy state, otherwise identical.
The prilling of this product adopts dry method or wet-method extrusion granulation usually at present, plastochondria is mostly column grain, shape is single, and owing to being physical impact, column grain is easily loose, in transport, stores and dissipates formation dust in use procedure, causing dust pollution, have a strong impact on the healthy of operating personnel, made troubles also to transport, storage and use simultaneously.Dry method and wet granulation, in actual mechanical process, can also exist a lot of problem: first, because temperature control is steady or face, material stand is uneven, causes material to be heated uneven, in granulation process, occur material melting variable color, cause colored grain phenomenon, affect product appearance and performance.Secondly, operating temperature is too high, is difficult to shaping, affects manufacturing schedule in material is long-time; Temperature is too low, and material solidifies, and easy blocking pipe or comminutor lathe aperture, damage equipment, technique can not serialization.3rd, control temperature steadily needs operating personnel strictly to observe material to be heated situation, and workload is large.Have no at present and adopt additive method to carry out the report of granulation to two (citraconimidomethyl) benzene of 1,3-.
Summary of the invention
To the present invention is directed in prior art 1, the deficiencies such as the extruding pelletization time existed in two (citraconimidomethyl) benzene extruding and pelletizing process of 3-is long, outward appearance is not good, provide a kind of 1, the prilling process of two (citraconimidomethyl) benzene of 3-, the method granulation time is short, can realize continuous prodution, gained grain color is even, not easily spends grain, has good practicality.
Research finds, two (citraconimidomethyl) benzene of 1,3-leaves standstill 10h under complete liquid state still can not be shaping, but under glassy state, namely plastic in 8 minutes.Described glassy state, refers to vitreousness, i.e. atomic arrangement shortrange order, and longrange disorder has state during similar glass atomic structure, and under this state, 1,3-two (citraconimidomethyl) benzene has high viscosity, have mobility, but mobility is low.
The present invention is achieved by the following measures:
The prilling process of two (citraconimidomethyl) benzene of a kind of 1,3-, comprises the following steps:
(1) it is made to be fused into liquid state completely two for 1,3-(citraconimidomethyl) benzene heating;
(2) two for liquid state 1,3-(citraconimidomethyl) benzene is incubated 1 ~ 2h at the temperature of 43 ~ 45 DEG C, makes two (citraconimidomethyl) benzene of liquid 1,3-change two (citraconimidomethyl) benzene of glassy state 1,3-completely into;
(3) two (citraconimidomethyl) benzene of the glassy state 1,3-step (2) obtained adds in comminutor and carries out granulation.
In above-mentioned prilling process, in step (1), two for 1,3-(citraconimidomethyl) benzene is heated to 75 ~ 85 DEG C, makes it be fused into liquid state completely.
In above-mentioned prilling process, gained particle can be column, spherical or round pie, shape diversification.
In above-mentioned prilling process, described comminutor can select steel band comminutor, and granulation mode is conventionally carried out.
In above-mentioned prilling process, during granulation only with two (citraconimidomethyl) benzene of 1,3-for raw material, do not need to add the compositions such as extra binding agent, two (citraconimidomethyl) benzene content of gained particle 1,3-is 100%.
Present invention also offers the serialization prilling process of two (citraconimidomethyl) benzene of a kind of 1,3-, comprise the following steps:
(1) two for 1,3-(citraconimidomethyl) benzene is added in still 1, be warming up to 75 ~ 85 DEG C, make 1 in still 1, two (citraconimidomethyl) benzene of 3-all becomes liquid state, and keeps this temperature to make two (citraconimidomethyl) benzene of 1,3-in still 1 be liquid always;
(2) by the liquid state 1 in still 1, two (citraconimidomethyl) benzene of 3-enters still 2 by the bottom of still 1 through feed pipe, the bottom of still 2 is connected with feed back pipe, open the material returning valve on feed back pipe, close the granulation valve on feed back pipe, two in still 21,3-(citraconimidomethyl) benzene is back to still 1 through feed back pipe;
(3) operation of heavy de-multiplexing steps (2), makes two (citraconimidomethyl) benzene of 1,3-constantly circulate between still 1 and still 2, until the temperature of still 2 rises to 43 ~ 45 DEG C;
(4) after the temperature of still 2 rises to 43 ~ 45 DEG C, adjustment material returning valve, retaining part 1, two (citraconimidomethyl) benzene of 3-continues between still 1 and still 2, circulate the temperature maintaining still 2, and make 1 of inflow still 2, two (citraconimidomethyl) benzene of 3-all can stop 1 ~ 2h in still 2, to be fully formed two (citraconimidomethyl) benzene of glassy state 1,3-;
(5) after two (citraconimidomethyl) benzene of glassy state 1,3-flows out still 2, open granulation valve, two (citraconimidomethyl) benzene of glassy state 1,3-directly enters comminutor and carries out granulation.
In above-mentioned serialization prilling process; glassy state 1; two (citraconimidomethyl) benzene of 3-directly enters comminutor by granulation valve and carries out granulation, and two (citraconimidomethyl) benzene of remaining glassy state 1,3-continues between still 1 and still 2, circulate the temperature maintaining still 2 by material returning valve.
In above-mentioned serialization prilling process, in step (1), after two (citraconimidomethyl) benzene of 1,3-is all fused into liquid state, at 75 ~ 85 DEG C, be incubated 1-2h, make two (citraconimidomethyl) benzene of liquid 1,3-more stable.
In above-mentioned serialization prilling process, still 2 adopts water-bath, in still 1, high temperature becomes the constantly circulation in still 1 and still 2 of liquid material completely, by the circulation of high-temperature material, achieve the heating of material to the outer water-bath of still 2, when the circulation of material makes the temperature in still 2 water-bath reach 43 ~ 45 DEG C, and then in still 2, material reaches 43 ~ 45 DEG C.After this material need not circulate in a large number, only needs a small amount of circulation to keep still 2 to remain on this temperature always.Now, enter the material in still 2 the temperature lower-glass state of 43 ~ 45 DEG C, mobility reduces, and viscosity increases, and changes gradually, finally forms glassy state material.Adjustment material returning valve aperture, make material constant temperature 1-2h in still 2, the glassy state material formed so still has certain mobility, and flow out rear portion from still 2 and enter continuation circulation still 1 through material returning valve, the granulation valve of a part through opening enters granulation in comminutor.What this glassy state material entered comminutor can rapid shaping, accelerates granulation speed.
In above-mentioned serialization prilling process, two (citraconimidomethyl) benzene of glassy state 1,3-flowed out from granulation valve enters after in comminutor, and 8-15min can complete plastochondria solidification.
In above-mentioned serialization prilling process, after opening granulation valve, in order to make two (citraconimidomethyl) benzene of material 1,3-still can constant temperature 1 ~ 2h in still 2, according to circumstances the size of material returning valve be adjusted again.
In above-mentioned serialization prilling process, following granulating system can be adopted to complete serialization granulation:
A kind of serialization granulating system, comprise still 1 and still 2, the bottom of still 1 is connected by the top of feed pipe with still 2, and feed pipe is provided with pump 1, and material is sent into still 2 by still 1 by pump 1; The bottom of still 2 is connected by the top of feed back pipe with still 1; feed back pipe is provided with material returning valve and granulation valve; granulation valve is connected with comminutor; the material flowed out from still 2 is made to enter granulation comminutor; material returning valve flows back to the amount of still 1 for controlling material; feed back pipe is also provided with pump 2, and pump 2 is sent by return valve the material flowed out from still 2 back to still 1 or is sent into comminutor by granulation valve.
In above-mentioned granulating system, material refers to two (citraconimidomethyl) benzene of 1,3-.
In above-mentioned granulating system, the material returning valve on feed back pipe and granulation valve can be controlled respectively by three-way valve.
In above-mentioned granulating system, the bottom of still 1 and still 2 is equipped with outlet valve.
In above-mentioned serialization prilling process, the temperature of still 2 remains on 43 ~ 45 DEG C, and material stops 1 ~ 2h in still 2, thus makes completely liquid material glass transition gradually, and material flows out rear formation glassy state material from still 2, and mobility reduces.When other conditions are constant, temperature is too high, and the mobility of material is still higher, is difficult to shaping after entering comminutor, and uneven color flower grain phenomenon easily appears in product; Temperature is too low, and the mobility variation of material is too low, and viscosity is excessive, and easy plug-hole during granulation, gained grain shape is irregular.
The present invention does not adopt traditional dry method or wet-method extrusion granulation, but by controlling the temperature of still 2, the conditions such as the flow velocity of material make 1, granulation is carried out again after two (citraconimidomethyl) benzene of 3-forms glassy state material, and making full use of of serialization granulation and the energy can be realized, gained plastochondria be heated evenly, more attractive in appearance, shape diversification, substantially improve operating environment, and can continuous prodution, improve production efficiency, the extruding pelletization time overcoming existing prilling process be long, can not the defect of continuous prodution, there are good market prospects.
The present invention has the following advantages:
1, material of the present invention is entering comminutor front glass state, and Flow of Goods and Materials viscosity increases, final formation glassy state material, and under this kind of state, two (citraconimidomethyl) benzene of 1,3-can be shaping at short notice, accelerates granulation speed.
2, the present invention is by the adjustment of processing step and process conditions, and whole granulation process serialization is carried out, and technique is simple, easy to operate, greatly reduces workload.And the material entering comminutor is all the time in specified temp, particular state, granulation is more quick, improves operating environment, enhances productivity, and gained plastochondria is even, attractive in appearance, and shape diversification has good market prospects.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
In figure: 1, still 1,2, still 2,3, feed pipe, 4, pump 1,5, feed back pipe, 6, material returning valve, 7, granulation valve, 8, pump 2,9, comminutor.
Detailed description of the invention
Describe performance of the present invention in detail below in conjunction with drawings and Examples, but they do not form limitation of the invention, only for example.
embodiment 1
The continuous granulation system shown in Fig. 1 of employing is to 1, two (citraconimidomethyl) benzene of 3-carries out continuous granulation, continuous granulation system comprises still 1 and still 2, the bottom of still 1 and still 2 is equipped with outlet valve, the bottom of still 1 is connected by the top of feed pipe with still 2, feed pipe is provided with pump 1, and material is sent into still 2 by still 1 by pump 1; The bottom of still 2 is connected by the top of feed back pipe with still 1; feed back pipe is provided with material returning valve and granulation valve; granulation valve is connected with comminutor; the material flowed out from still 2 is made to enter granulation comminutor; material returning valve controls the amount that material flows back to still 1; feed back pipe is also provided with pump 2, and pump 2 is sent by return valve the material flowed out from still 2 back to still 1 or is sent into comminutor by granulation valve.
Serialization prilling process is as follows:
(1) 1, two (citraconimidomethyl) benzene granular material of 3-is beaten to still 1 by continuous conveying device, it is 80 DEG C that still 1 is heated to temperature, make 1 wherein, two (citraconimidomethyl) benzene of 3-is molten into liquid completely, holding temperature makes two (citraconimidomethyl) benzene of 1,3-in still 1 be liquid always.(in practical operation, in order to make whole materials all become stable liquid state, being incubated 1h after two for 1,3-(citraconimidomethyl) benzene is heated to 80 DEG C and carrying out follow-up operation again).
(2) open the outlet valve bottom still 1, material is through pump 1 dozen to still 2, and close granulation valve, standard-sized sheet material returning valve, returns the material in still 2 to still 1 by pump 2 through feed back pipe;
(3) according to step (2), material is constantly circulated in still 1 and still 2, still 2 adopts water-bath, after Matter Transfer makes the bath temperature of still 2 reach 44 DEG C, slightly close material returning valve, only make the partial material in still 2 continue between still 1 and still 2, circulate to maintain still 2 and be in 44 DEG C always, turning down of material returning valve makes the material in inflow still 2 all can stop 1 ~ 2h by constant temperature in still 2 simultaneously, becomes glassy state material.
(4) after glassy state material flows out from still 2, all open granulation valve, a part of glassy state feed back enters still 1, and a part of glassy state material directly enters comminutor through granulation valve, in comminutor, conveniently operated granulation.
Material is namely plastic in 8 minutes in comminutor, completes granulation, plastochondria appearance color is even, without flower grain phenomenon.
embodiment 2
Adopt the continuous granulation system identical with embodiment 1 to carry out continuous granulation to two (citraconimidomethyl) benzene of 1,3-, serialization prilling process is as follows:
Two (citraconimidomethyl) benzene granular material of (1) 1,3-is beaten to still 1 by continuous conveying device, and it is 80 DEG C that still 1 is heated to temperature, and constant temperature 1h.
(2) open the outlet valve bottom still 1, material is through pump 1 dozen to still 2, and close granulation valve, standard-sized sheet material returning valve, returns the material in still 2 to still 1 by pump 2 through feed back pipe;
(3) according to step (2), material is constantly circulated in still 1 and still 2, still 2 adopts water-bath, after Matter Transfer makes bath temperature reach 43 DEG C, slightly close material returning valve, only make the partial material in still 2 continue between still 1 and still 2, circulate to maintain still 2 and be in 43 DEG C always, turning down of material returning valve makes the material in inflow still 2 all can stop 1 ~ 2h by constant temperature in still 2 simultaneously, becomes glassy state material.
(4) after glassy state material flows out from still 2, all open granulation valve, a part of glassy state feed back enters still 1, and a part of glassy state material directly enters comminutor through granulation valve, in comminutor, conveniently operated granulation.
Material is namely plastic in 7.5 minutes in comminutor, completes granulation, and plastochondria appearance color is even, without flower grain phenomenon.
embodiment 3
Adopt the continuous granulation system identical with embodiment 1 to carry out continuous granulation to two (citraconimidomethyl) benzene of 1,3-, serialization prilling process is as follows:
Two (citraconimidomethyl) benzene granular material of (1) 1,3-is beaten to still 1 by continuous conveying device, and it is 80 DEG C that still 1 is heated to temperature, and constant temperature 1h.
(2) open the outlet valve bottom still 1, material is through pump 1 dozen to still 2, and close granulation valve, standard-sized sheet material returning valve, returns the material in still 2 to still 1 by pump 2 through feed back pipe;
(3) according to step (2), material is constantly circulated in still 1 and still 2, still 2 adopts water-bath, after Matter Transfer makes still 2 bath temperature reach 45 DEG C, slightly close material returning valve, only make the partial material in still 2 continue between still 1 and still 2, circulate to maintain still 2 and be in 45 DEG C always, turning down of material returning valve makes the material in inflow still 2 all can stop 1 ~ 2h by constant temperature in still 2 simultaneously, becomes glassy state material.
(4) after glassy state material flows out from still 2, all open granulation valve, a part of glassy state feed back enters still 1, and a part of glassy state material directly enters comminutor through granulation valve, in comminutor, conveniently operated granulation.
Material is namely plastic in 8 minutes in comminutor, completes granulation, and plastochondria appearance color is even, without flower grain phenomenon.
embodiment 4
Adopt the continuous granulation system identical with embodiment 1 to carry out continuous granulation to two (citraconimidomethyl) benzene of 1,3-, serialization prilling process is as follows:
Two (citraconimidomethyl) benzene granular material of (1) 1,3-is beaten to still 1 by continuous conveying device, and it is 75 DEG C that still 1 is heated to temperature, and constant temperature 1h.
(2) open the outlet valve bottom still 1, material is through pump 1 dozen to still 2, and close granulation valve, standard-sized sheet material returning valve, returns the material in still 2 to still 1 by pump 2 through feed back pipe;
(3) according to step (2), material is constantly circulated in still 1 and still 2, still 2 adopts water-bath, after Matter Transfer makes still 2 bath temperature reach 44 DEG C, slightly close material returning valve, only make the partial material in still 2 continue between still 1 and still 2, circulate to maintain still 2 and be in 44 DEG C always, turning down of material returning valve makes the material in inflow still 2 all can stop 1 ~ 2h by constant temperature in still 2 simultaneously, becomes glassy state material.
(4) after glassy state material flows out from still 2, all open granulation valve, a part of glassy state feed back enters still 1, and a part of glassy state material directly enters comminutor through granulation valve, in comminutor, conveniently operated granulation.
Material is namely plastic in 8 minutes in comminutor, completes granulation, and plastochondria appearance color is even, without flower grain phenomenon.
embodiment 4
Adopt the continuous granulation system identical with embodiment 1 to carry out continuous granulation to two (citraconimidomethyl) benzene of 1,3-, serialization prilling process is as follows:
Two (citraconimidomethyl) benzene granular material of (1) 1,3-is beaten to still 1 by continuous conveying device, and it is 85 DEG C that still 1 is heated to temperature, and constant temperature 1h.
(2) open the outlet valve bottom still 1, material is through pump 1 dozen to still 2, and close granulation valve, standard-sized sheet material returning valve, returns the material in still 2 to still 1 by pump 2 through feed back pipe;
(3) according to step (2), material is constantly circulated in still 1 and still 2, still 2 adopts water-bath, after Matter Transfer makes still 2 bath temperature reach 44 DEG C, slightly close material returning valve, only make the partial material in still 2 continue between still 1 and still 2, circulate to maintain still 2 and be in 44 DEG C always, turning down of material returning valve makes the material in inflow still 2 all can stop 1 ~ 2h by constant temperature in still 2 simultaneously, becomes glassy state material.
(4) after glassy state material flows out from still 2, all open granulation valve, so a part of glassy state feed back enters still 1, and a part of glassy state material directly enters comminutor through granulation valve, in comminutor, conveniently operated granulation.
Material is namely plastic in 8 minutes in comminutor, completes granulation, and plastochondria appearance color is even, without flower grain phenomenon.
comparative example 1
The continuous granulation system shown in Fig. 1 of employing carries out continuous granulation to two (citraconimidomethyl) benzene of 1,3-, and serialization prilling process is as follows:
Two (citraconimidomethyl) benzene granular material of (1) 1,3-is beaten to still 1 by continuous conveying device, and it is 80 DEG C that still 1 is heated to temperature, and constant temperature 1h.
(2) open the outlet valve bottom still 1, material is through pump 1 dozen to still 2, and close granulation valve, standard-sized sheet material returning valve, returns the material in still 2 to still 1 by pump 2 through feed back pipe;
(3) according to step (2), material is constantly circulated in still 1 and still 2, still 2 adopts water-bath, after Matter Transfer makes still 2 bath temperature reach 50 DEG C, slightly close material returning valve, only make the partial material in still 2 continue between still 1 and still 2, circulate to maintain still 2 and be in 50 DEG C always, turning down of material returning valve makes the material in inflow still 2 all can stop 1 ~ 2h by constant temperature in still 2 simultaneously.
(4) after the material stopping 1-2h in still 2 flows out from still 2, all open granulation valve, so a part of feed back enters still 1, and a part of material directly enters comminutor through granulation valve, in comminutor, conveniently operated granulation.
6-8h could be shaping in comminutor for material, and length consuming time, is unfavorable for continuous prodution, and product appearance uneven color, there is colored grain phenomenon.
comparative example 2
The continuous granulation system shown in Fig. 1 of employing carries out continuous granulation to two (citraconimidomethyl) benzene of 1,3-, and serialization prilling process is as follows:
Two (citraconimidomethyl) benzene granular material of (1) 1,3-is beaten to still 1 by continuous conveying device, and it is 80 DEG C that still 1 is heated to temperature, and constant temperature 1h.
(2) open the outlet valve bottom still 1, material is through pump 1 dozen to still 2, and close granulation valve, standard-sized sheet material returning valve, returns the material in still 2 to still 1 by pump 2 through feed back pipe;
(3) according to step (2), material is constantly circulated in still 1 and still 2, still 2 adopts water-bath, after Matter Transfer makes still 2 bath temperature reach 40 DEG C, slightly close material returning valve, only make the partial material in still 2 continue between still 1 and still 2, circulate to maintain still 2 and be in 40 DEG C always, turning down of material returning valve makes the material in inflow still 2 all can stop 1 ~ 2h in still 2 simultaneously.
(4) after the material stopping 1-2h in still 2 flows out from still 2, all open granulation valve, so a part of feed back enters still 1, and a part of material directly enters comminutor through granulation valve, in comminutor, conveniently operated granulation.
Partial material solidification blocking comminutor lathe aperture in comminutor, granulation failure; And plastochondria out-of-shape, have a strong impact on product appearance.This is because the temperature in still 2 is too low, the material viscosity formed after material stops in still 2 is excessive, is unfavorable for granulation.
Claims (8)
1. the prilling process of two (citraconimidomethyl) benzene, is characterized in that comprising the following steps:
(1) it is made to be fused into liquid state completely two for 1,3-(citraconimidomethyl) benzene heating;
(2) two for liquid state 1,3-(citraconimidomethyl) benzene is incubated 1 ~ 2h at the temperature of 43 ~ 45 DEG C, makes two (citraconimidomethyl) benzene of liquid 1,3-change two (citraconimidomethyl) benzene of glassy state 1,3-completely into;
(3) two (citraconimidomethyl) benzene of the glassy state 1,3-step (2) obtained adds in comminutor and carries out granulation.
2. prilling process according to claim 1, is characterized in that: in step (1), two for 1,3-(citraconimidomethyl) benzene is heated to 75 ~ 85 DEG C, makes it be fused into liquid state completely.
3. prilling process according to claim 1, is characterized in that: gained particle is column, spherical or round pie.
4. prilling process according to claim 1, is characterized in that: described comminutor is steel band comminutor.
5. prilling process according to claim 1, is characterized in that: during granulation only with two (citraconimidomethyl) benzene of 1,3-for raw material, do not need to add the compositions such as extra binding agent, two (citraconimidomethyl) benzene content of gained particle 1,3-is 100%.
6. the serialization prilling process of two (citraconimidomethyl) benzene, is characterized in that comprising the following steps:
(1) two for 1,3-(citraconimidomethyl) benzene is added in still 1, be warming up to 75 ~ 85 DEG C, make 1 in still 1, two (citraconimidomethyl) benzene of 3-all becomes liquid state, and keeps this temperature to make two (citraconimidomethyl) benzene of 1,3-in still 1 be liquid always;
(2) by the liquid state 1 in still 1, two (citraconimidomethyl) benzene of 3-enters still 2 by the bottom of still 1 through feed pipe, the bottom of still 2 is connected with feed back pipe, open the material returning valve on feed back pipe, close the granulation valve on feed back pipe, two in still 21,3-(citraconimidomethyl) benzene is back to still 1 through feed back pipe;
(3) operation of heavy de-multiplexing steps (2), makes two (citraconimidomethyl) benzene of 1,3-constantly circulate between still 1 and still 2, until the temperature of still 2 rises to 43 ~ 45 DEG C;
(4) after the temperature of still 2 rises to 43 ~ 45 DEG C, adjustment material returning valve, retaining part 1, two (citraconimidomethyl) benzene of 3-continues between still 1 and still 2, circulate the temperature maintaining still 2, and make 1 of inflow still 2, two (citraconimidomethyl) benzene of 3-all can stop 1 ~ 2h in still 2, to form two (citraconimidomethyl) benzene of glassy state 1,3-;
(5) after two (citraconimidomethyl) benzene of glassy state 1,3-flows out still 2, open granulation valve, two (citraconimidomethyl) benzene of glassy state 1,3-directly enters comminutor and carries out granulation.
7. serialization prilling process according to claim 6, is characterized in that: two (citraconimidomethyl) benzene of glassy state 1,3-flowed out from granulation valve enters after in comminutor, and 8-15min completes plastochondria solidification.
8. a serialization granulating system, is characterized in that: comprise still 1 and still 2, and the bottom of still 1 is connected by the top of feed pipe with still 2, and feed pipe is provided with pump 1, and material is sent into still 2 by still 1 by pump 1; The bottom of still 2 is connected by the top of feed back pipe with still 1, and feed back pipe is provided with material returning valve and granulation valve, and described granulation valve is connected with comminutor, and make the material flowed out from still 2 enter granulation comminutor, described material returning valve flows back to the amount of still 1 for controlling material; Feed back pipe is also provided with pump 2, and pump 2 is sent by return valve the material flowed out from still 2 back to still 1 or is sent into comminutor by granulation valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360630.4A CN105032283B (en) | 2015-06-26 | 2015-06-26 | Granulation method and granulation system for 1, 3-bis(citraconoyl formimino) benzene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360630.4A CN105032283B (en) | 2015-06-26 | 2015-06-26 | Granulation method and granulation system for 1, 3-bis(citraconoyl formimino) benzene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105032283A true CN105032283A (en) | 2015-11-11 |
| CN105032283B CN105032283B (en) | 2017-05-10 |
Family
ID=54439603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510360630.4A Active CN105032283B (en) | 2015-06-26 | 2015-06-26 | Granulation method and granulation system for 1, 3-bis(citraconoyl formimino) benzene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105032283B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001081033A1 (en) * | 2000-04-21 | 2001-11-01 | Central Research Institute Of Electric Power Industry | Method and apparatus for producing fine particles |
| CN101759151A (en) * | 2009-11-17 | 2010-06-30 | 瓮福（集团）有限责任公司 | Method for iodine granulation |
| CN203507940U (en) * | 2013-09-22 | 2014-04-02 | 南通新邦化工科技有限公司 | Diphenylamine granulating system |
-
2015
- 2015-06-26 CN CN201510360630.4A patent/CN105032283B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001081033A1 (en) * | 2000-04-21 | 2001-11-01 | Central Research Institute Of Electric Power Industry | Method and apparatus for producing fine particles |
| CN101759151A (en) * | 2009-11-17 | 2010-06-30 | 瓮福（集团）有限责任公司 | Method for iodine granulation |
| CN203507940U (en) * | 2013-09-22 | 2014-04-02 | 南通新邦化工科技有限公司 | Diphenylamine granulating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105032283B (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203092993U (en) | Automatic control device for preventing overtemperature of gun barrel of injection molding machine | |
| CN208773984U (en) | One kind being molded anticlogging feed pipe for plastic mould | |
| CN105032283A (en) | Granulation method and granulation system for 1, 3-bis(citraconoyl formimino) benzene | |
| CN104359240A (en) | Phase-change heat storage type solar heat accumulation tube and regulation and control heating method | |
| CN206561580U (en) | A kind of injection device of injection-moulding plastic | |
| CN204451160U (en) | A kind of can the bosh of quick adjustment water temperature | |
| CN204109315U (en) | Plastic extrusion water cooling bracing granulating and drying frame | |
| CN204278492U (en) | A kind of air cooling equipment for high-temperature nylon modified master cooling and shaping | |
| CN201419515Y (en) | Steel and plastic reinforced composite pipe production equipment | |
| CN105040131A (en) | Spinning channel system | |
| CN202582062U (en) | Vacuum oven capable of being quickly refrigerated | |
| CN202079276U (en) | Die with multidirectional cooling system | |
| CN208068764U (en) | It is a kind of can rapid heat cycle ejection shaping die | |
| CN204135341U (en) | A kind of high vacuum Granulation Equipments | |
| CN203543069U (en) | Clothes rack type narrow slit die head | |
| CN208526545U (en) | A kind of drop forming device of strip gab | |
| CN210787271U (en) | Solar molten salt melting and granulating device | |
| CN203007218U (en) | Granulating device for hard asphalt | |
| CN204034660U (en) | A kind of urine base high-efficiency rice fertilizer is produced and is used granulation double tower | |
| CN202369517U (en) | Melt granulation equipment for high-concentration urine-based compound fertilizer | |
| CN208428599U (en) | A kind of no dead angle and anticlogging hot flow path hot mouth | |
| CN203092870U (en) | Cooling device for EPP (expanded polypropylene) production line | |
| CN203460343U (en) | Water circulation system of pelletizer | |
| CN204725710U (en) | A kind of high temperature flash distillation master batch drying device | |
| CN205130213U (en) | Energy -conserving cooling arrangement of BOPP production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |