CN116510355A - Processing equipment and processing method for continuous condensation and demulsification of ABS latex - Google Patents

Processing equipment and processing method for continuous condensation and demulsification of ABS latex Download PDF

Info

Publication number
CN116510355A
CN116510355A CN202310675651.XA CN202310675651A CN116510355A CN 116510355 A CN116510355 A CN 116510355A CN 202310675651 A CN202310675651 A CN 202310675651A CN 116510355 A CN116510355 A CN 116510355A
Authority
CN
China
Prior art keywords
condensation
kettle
steam
pipe
condensation kettle
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.)
Pending
Application number
CN202310675651.XA
Other languages
Chinese (zh)
Inventor
刘宇航
邹强
蔡泳健
吕连杰
陈鸳鸯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zhiying Chemical Technology Co ltd
Original Assignee
Shanghai Zhiying Chemical Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Zhiying Chemical Technology Co ltd filed Critical Shanghai Zhiying Chemical Technology Co ltd
Priority to CN202310675651.XA priority Critical patent/CN116510355A/en
Publication of CN116510355A publication Critical patent/CN116510355A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/047—Breaking emulsions with separation aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/042—Breaking emulsions by changing the temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/12—Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention discloses processing equipment and a processing method for continuous condensation and demulsification of ABS latex, and belongs to the technical field of chemical production. Including condensation kettle, steam ejector, steam pipe, overflow discharge gate, feed portion and air feed portion, the steam pipe sets up in the one side that is close to the bottom of condensation kettle lateral wall, air feed portion and steam pipe intercommunication, and the feed portion sets up at the top of condensation kettle, and the overflow discharge gate sets up in the lateral wall of condensation kettle and with condensation kettle inside intercommunication. According to the invention, the inverted U-shaped steam pipe is arranged, so that the inverted U-shaped pipeline on the upper side of the steam pipe can be prevented from being blocked by the countercurrent latex caking after all protection measures fail.

Description

Processing equipment and processing method for continuous condensation and demulsification of ABS latex
Technical Field
The invention relates to a processing device and a processing method for continuous condensation and demulsification of ABS latex, and belongs to the technical field of chemical production.
Background
The SAN blending method of the emulsion grafting body is a mainstream ABS production process in the current market, and the product has good glossiness and flexible variety. The latex after emulsion graft polymerization needs to be coagulated and demulsified and then water is separated out to be mixed with SAN produced by a bulk method. The condensation section is used as the section with poor ABS stability by an emulsion method and is an ABS factory starting difficulty recognized in the industry.
In the coagulation section, in order to realize the temperature rise of the coagulation kettle, steam needs to be directly introduced into the latex coagulation tank, but if the mixing treatment is improper, the steam directly enters into the latex, and the water hammer phenomenon can occur, so that a certain problem exists.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the treatment equipment and the treatment method for continuous condensation and demulsification of the ABS latex solve the problem that in the prior art, water hammer phenomenon can occur if steam is directly connected into the latex and mixed improperly.
The technical problems to be solved by the invention are realized by adopting the following technical scheme: the utility model provides a continuous condensation demulsification treatment facility of ABS latex, including the cauldron that condenses, steam injector, the steam pipe, overflow discharge gate, feed portion and air feed portion, the steam pipe sets up in one side that the cauldron lateral wall is close to the bottom, air feed portion communicates with the steam pipe, feed portion sets up at the top of the cauldron that condenses, the overflow discharge gate sets up in the lateral wall of the cauldron that condenses and communicates with the cauldron is inside, the volume between the radial plane that overflow discharge gate place to the cauldron bottom that condenses accounts for 80% of the total volume of the cauldron, the one end that the overflow discharge gate was kept away from the cauldron that condenses inclines towards the cauldron bottom, steam injector is provided with a plurality of and a plurality of steam injector along the setting of equal angle of cauldron axial that condenses, steam injector includes flange, exhaust hood and exhaust vent, flange is installed in the cauldron inside wall bottom and is kept away from the one end intercommunication of air feed portion with the steam pipe, flange radially extends along the cauldron that condenses, the exhaust hood communicates towards the one end of the cauldron axis with flange, the exhaust vent is provided with a plurality of, a plurality of exhaust vent is seted up on the exhaust hood, the total opening sectional area of a plurality of exhaust vent equals 6.5 times of steam pipe internal diameter.
Through adopting above-mentioned technical scheme, advance steam through setting up a plurality of steam ejector in the cauldron bottom that condenses, can make steam evenly divide as far as possible to arrange whole jar that condenses, because steam ejector is located the deep of the inside material of condensing the cauldron, steam gets into under the deep liquid this moment, utilizes the pressure of the inside material of condensing the cauldron to reduce the pressure differential around steam passes through the exhaust hole, reduces the expansion diffusion after the steam decompression, further reduces the water hammer phenomenon, also can make steam and latex more even mixed intensification simultaneously.
The invention is further provided with: the communicating end of the steam pipe and the connecting flange is fixed with a one-way valve, and one end of the steam pipe far away from the condensation kettle is arranged in an inverted U shape.
By adopting the technical scheme, the inverted U-shaped steam pipe is arranged, so that the inverted U-shaped pipeline on the upper side of the steam pipe can be prevented from being blocked by the countercurrent latex caking after the protection measures are completely failed.
The invention is further provided with: the bent end of the inverted U-shaped steam pipe is detachably provided with a detachable flange.
Through adopting above-mentioned technical scheme, through setting up the crooked end installation of reverse U-shaped at the steam pipe and dismantling the flange, can dredge the steam pipe through dismantling the flange after the steam pipe blocks up, reduced the mediation degree of difficulty to the steam pipe.
The invention is further provided with: the stirring part comprises a motor, stirring blades, a stirring shaft and a supporting seat, the motor is arranged at the axis of the top of the coagulation kettle, the stirring shaft is connected with the motor in a power mode, the stirring shaft axially extends to the inside of the coagulation kettle along the coagulation kettle, the supporting seat is fixed at the bottom of the inner side of the coagulation kettle, one end of the stirring shaft extending to the coagulation kettle is rotationally connected with the supporting seat, the stirring blades are provided with a plurality of stirring blades, and the stirring blades are fixedly arranged on the stirring shaft.
Through adopting above-mentioned technical scheme, the motor drives stirring paddle through the (mixing) shaft and moves in the cauldron that condenses to stir the interior material of cauldron and be favorable to accelerating the material and condense, the stability of (mixing) shaft in the rotation in-process can be guaranteed to the supporting seat simultaneously, thereby reduces the vibration of condensing the cauldron.
The invention is further provided with: the part of the inner side of the condensation kettle, which is close to the middle part of the condensation kettle, is provided with three on-line thermistor thermometers on the same radial plane, and the three on-line thermistor thermometers are arranged in an equiangular circumferential array along the axis of the condensation kettle.
The invention is further provided with: the feeding portion comprises a latex feeding port, a coagulant pipe orifice and an exhaust pipe, the latex feeding port, the coagulant pipe orifice and the exhaust pipe are communicated with the inside of the coagulation kettle, the latex feeding port and the coagulant pipe orifice are located on the eccentric side of the top of the coagulation kettle, the exhaust pipe is located on the eccentric side of the top of the coagulation kettle, opposite to the latex feeding port and the coagulant pipe orifice, the extension direction of the exhaust pipe is the same as the axial direction of the coagulation kettle, and the axial extension length of the exhaust pipe is at least two meters.
Through adopting above-mentioned technical scheme, through reducing overflow discharge gate along the axial distance of coagulation kettle, can reduce the length of material liquid level distance feed portion, thereby prevent that the material from being blocked off the waste gas pipe by the liquid drop that splashes in the stirring in-process entering waste gas pipe, the waste gas pipe is kept away from latex feed inlet and coagulant mouth of pipe reducible feeding in-process material impact liquid level splashed liquid drop entering waste gas pipe simultaneously, thereby further avoided the jam of waste gas pipe, can make a small amount of liquid drops that get into the waste gas pipe flow into inside the coagulation kettle under the action of gravity through setting up the waste gas pipe more than two meters, avoid being taken out by waste gas.
The invention is further provided with: the air supply part comprises a steam pipeline and a compressed air pipeline, the steam pipeline and the compressed air pipeline are mutually communicated, the communication part of the steam pipeline and the compressed air pipeline is communicated with the steam pipeline, a pneumatic regulating valve is arranged on the steam pipeline, and a pneumatic switching valve is arranged on the compressed air pipeline and is electrically connected with an online thermistor thermometer.
Through adopting above-mentioned technical scheme, online thermistor thermometer can measure the temperature in the cauldron that condenses respectively and control pneumatic governing valve's degree of opening and shutting, preset normal temperature interval in the three online thermistor thermometer, when the temperature of three online thermistor thermometer is all normally read, the intermediate value of three temperature is got to the temperature, when the temperature abnormality that appears one online thermistor thermometer measurement is the temperature interval that surpasses presets promptly, this temperature is rejected automatically at this moment, the temperature is got the average value of remaining two temperatures, when the temperature abnormality of two online thermistor thermometers exceeds the temperature interval of preseting, automatic alarm at this moment, the temperature is got the value of remaining one temperature, can avoid the online thermistor thermometer trouble to influence production at utmost like this.
The invention is further provided with: the outer wall fixed mounting who condenses the cauldron has fixed journal stirrup, and fixed journal stirrup is provided with a plurality of, and a plurality of fixed journal stirrups are along the circumference array setting of the equiangular degree of condensing the cauldron axial.
Through adopting above-mentioned technical scheme, the cauldron that condenses can hang through external structure roof beam and fixed journal stirrup are fixed, because the cauldron that condenses needs steam to keep letting in when using to keep under the state of continuous stirring, consequently the vibration value that condenses the cauldron can be greater than other agitated vessel, adopts to hang the installation mode with condensing the cauldron and can reduce focus and improve structural strength and show reduction equipment vibration value.
The invention is further provided with: the lateral wall that coagulates the cauldron is provided with the manhole flange, and the one end of manhole flange extends to and coagulates the cauldron inside and coagulates the cauldron inner wall parallel and level.
Through adopting above-mentioned technical scheme, because the material in the cauldron that condenses is layering easily after condensing, manhole flange and the cauldron inner wall parallel and level that condense this moment can eliminate the dead zone, avoid the junction of manhole flange and the cauldron that condenses to detain the material for a long time.
A processing method of an ABS latex continuous condensation demulsification processing device comprises the following steps
S1: introducing the materials into a condensing kettle through a feeding part for condensing;
s2: the gas supply part supplies gas into the steam injector, so that the gas enters the inside of the coagulation kettle through the steam injector to participate in coagulation;
s3: the gas entering the steam injector is positioned in the exhaust hood and overflows into the condensation kettle through the exhaust hole;
s4: the condensed material overflows through the overflow discharging hole.
The beneficial effects of the invention are as follows:
1. through setting up a plurality of steam ejectors and advancing steam in the cauldron bottom that condenses, can make steam evenly divide to arrange whole jar that condenses as far as possible, because steam ejectors are located the deep of the inside material of condensing the cauldron, steam gets into deep submerged under this moment, utilizes the pressure of the inside material of condensing the cauldron to reduce the pressure differential around steam passes through the exhaust hole, reduces the expansion diffusion after the steam decompression, and then reduces the water hammer phenomenon, also can make steam and latex more even mixed intensification simultaneously.
2. The inverted U-shaped steam pipe can still ensure that the inverted U-shaped pipeline on the upper side of the steam pipe is not blocked by the countercurrent latex caking after the protection measures are completely failed.
3. Through reducing the axial distance of overflow discharge gate along the cauldron that condenses, can reduce the length of material liquid level distance feed portion to prevent that the material from being blocked off the exhaust pipe by the interior entering exhaust pipe of liquid drop that splashes in the stirring process, the exhaust pipe is kept away from latex feed inlet and the liquid drop that the liquid level splashes is got into in the exhaust pipe that the coagulant mouth of pipe reducible feeding in-process material was impacted to the exhaust pipe simultaneously, thereby has further avoided the jam of exhaust pipe, can make a small amount of liquid drops that get into the exhaust pipe flow into the cauldron that condenses inside under the action of gravity through setting up the exhaust pipe more than two meters, avoid being taken out by the waste gas.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of a steam ejector according to the present invention.
In the figure: 10. a coagulation kettle; 11. a motor; 12. stirring paddles; 13. a stirring shaft; 14. a support base; 15. fixing the support lugs; 16. a manhole flange; 20. a steam ejector; 21. a connecting flange; 22. an exhaust hood; 23. an exhaust hole; 24. a one-way valve; 30. a steam pipe; 31. a detachable flange; 32. a pneumatic control valve; 33. a pneumatic switch valve; 40. a latex feed inlet; 41. a coagulant nozzle; 42. an exhaust pipe; 43. an overflow discharge port; 44. an on-line thermistor thermometer; 50. a steam line; 51. a compressed air line; 52. a manual valve; 53. a desalted water pipeline.
Detailed Description
The invention will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-2, the continuous condensation demulsification treatment equipment for the ABS latex comprises a condensation kettle 10, a steam injector 20, a steam pipe 30, an overflow discharge port 43, a feeding part and a gas supply part, wherein the length-diameter ratio of the condensation kettle 10 is 1.1-1.4 (such as 1.4), the total volume of the condensation kettle 10 is 4.8-10 cubic meters (such as 4.8 cubic meters), the condensation kettle 10 is designed into a top-bottom elliptic normal pressure container, and the working temperature of the condensation kettle 10 is 70-95 ℃. The steam pipe 30 sets up in the one side that is close to the bottom of the side wall of the condensation kettle 10, air feed portion and steam pipe 30 intercommunication, feed portion sets up at the top of condensation kettle 10, overflow discharge gate 43 sets up the lateral wall of condensation kettle 10 and communicates with the inside of condensation kettle 10, the volume between the radial plane at overflow discharge gate 43 place to the bottom of condensation kettle 10 accounts for 80% of the total volume of condensation kettle 10, one end that condensation kettle 10 was kept away from to overflow discharge gate 43 inclines towards the bottom of condensation kettle 10, the inclination of overflow discharge gate 43 low-angle can reduce overflow discharge gate 43 accumulation material, overflow discharge gate 43's inclination is 5-45 degrees. The steam injector 20 is provided with a plurality of and a plurality of steam injector 20 along setting up of the equiangular of coagulation cauldron 10 axial, steam injector 20 includes flange 21, exhaust hood 22 and exhaust hole 23, flange 21 installs in the inside wall bottom of coagulation cauldron 10 and keeps away from the one end intercommunication of air feed portion with steam pipe 30, flange 21 radially extends along coagulation cauldron 10, exhaust hood 22 and flange 21 are towards the one end intercommunication of coagulation cauldron 10 axis, exhaust hole 23 is provided with a plurality of, a plurality of exhaust hole 23 is seted up on exhaust hood 22, the sum of the total opening cross-section of a plurality of exhaust hole 23 equals 6.5 times of steam pipe 30 internal diameter cross-section, the aperture scope of exhaust hole 23 is 8-20mm. The communication end of the steam pipe 30 and the connecting flange 21 is fixedly provided with the one-way valve 24, and one end of the steam pipe 30 far away from the condensation kettle 10 is in an inverted U-shaped arrangement, and the inverted U-shaped arrangement of the steam pipe 30 can form a liquid seal structure. The bent end of the inverted U-shape of the steam pipe 30 is detachably mounted with a detachable flange 31. The feeding part comprises a latex feeding hole 40, a coagulant pipe orifice 41 and an exhaust pipe 42, wherein the latex feeding hole 40, the coagulant pipe orifice 41 and the exhaust pipe 42 are communicated with the inside of the coagulation kettle 10, the latex feeding hole 40 and the coagulant pipe orifice 41 are positioned on the eccentric side of the top of the coagulation kettle 10, and the feeding production speed of the latex feeding hole 40 is controlled to be 3-8t/h. The offgas duct 42 is located at the top of the coagulation kettle 10 on the eccentric side with respect to the latex feed opening 40 and the coagulant nozzle 41, and the offgas duct 42 extends in the same direction as the coagulation kettle 10 in the axial direction, and the offgas duct 42 extends in the axial direction by at least two meters. The exhaust gas pipe 42 is provided with a desalted water pipe 53 having a manual valve 52 in communication therewith, and the exhaust gas pipe 42 can be periodically cleaned by opening the manual valve 52 by using the desalted water pipe 53. The air supply part comprises a steam pipeline 50 and a compressed air pipeline 51, the steam pipeline 50 and the compressed air pipeline 51 are mutually communicated, the communication part of the steam pipeline 50 and the compressed air pipeline 51 is communicated with the steam pipe 30, the steam pipeline 50 is provided with a pneumatic control valve 32, the compressed air pipeline 51 is provided with a pneumatic switch valve 33, the pneumatic control valve 32 is electrically connected with the online thermistor thermometer 44, and the most preferable electric connection is realized by using DCS logic connection. The steam line 50 is fed with low pressure steam and the compressed air line 51 is fed with compressed air. The part of the inner side of the condensation kettle 10, which is close to the middle part of the condensation kettle 10, is provided with on-line thermistor thermometers 44 on the same radial plane, three on-line thermistor thermometers 44 are arranged in total, and the three on-line thermistor thermometers 44 are arranged in an equal-angle circumferential array along the axis of the condensation kettle 10.
As shown in fig. 1-2, a stirring part is arranged in a coagulation kettle 10, the stirring part comprises a motor 11, stirring blades 12, a stirring shaft 13 and a supporting seat 14, the motor 11 is arranged at the axis of the top of the coagulation kettle 10, the stirring shaft 13 is in power connection with the motor 11, the stirring shaft 13 extends to the inside of the coagulation kettle 10 along the axial direction of the coagulation kettle 10, the supporting seat 14 is fixed at the bottom of the inner side of the coagulation kettle 10, one end of the stirring shaft 13 extending to the coagulation kettle 10 is in rotary connection with the supporting seat 14, the stirring blades 12 are provided with a plurality of stirring blades 12, and the stirring blades 12 are fixedly arranged on the stirring shaft 13. The outer wall fixed mounting who condenses cauldron 10 has fixed journal stirrup 15, and fixed journal stirrup 15 is provided with a plurality of, and a plurality of fixed journal stirrups 15 are along the setting of the equal angle circumference array of the axial of condensing cauldron 10. The outer side wall of the coagulation kettle 10 is provided with a manhole flange 16, and one end of the manhole flange 16 extends into the coagulation kettle 10 to be flush with the inner wall of the coagulation kettle 10.
Through setting up a plurality of steam ejector 20 and advancing steam in the cauldron 10 bottom, can make steam evenly divide to arrange to whole jar that condenses as far as possible, because steam ejector 20 is located the deep of the inside material of cauldron 10 that condenses, steam gets into under the deep liquid this moment, utilizes the pressure of the inside material of condensation cauldron 10 to reduce the pressure differential before and after steam passes through exhaust hole 23, reduces the expansion diffusion after the steam decompression, and then reduces the water hammer phenomenon, also can make steam and latex more even mixed intensification simultaneously.
The pneumatic switching valve 33 and the pneumatic control valve 32 which are arranged at the communication position of the steam pipe 30 and the compressed air pipeline 51 are interlocked through the DCS, when the opening degree of the pneumatic control valve 32 is smaller than 2%, the pneumatic switching valve 33 is opened through the DCS interlocking, and when the opening degree of the pneumatic control valve 32 is larger than 2%, the pneumatic switching valve 33 is closed. The opening of the pneumatic control valve 32 and the pneumatic switching valve 33 are interlocked by the DCS to prevent the latex inside the coagulation kettle 10 from blocking the steam ejector 20 and the steam pipe 30 in a reverse flow during the stop of the temperature rise of the coagulation kettle 10, and to realize the reverse blowing even when the pneumatic control valve 32 fails.
The inverted U-shape of the steam pipe 30 can ensure that the inverted U-shaped pipeline on the upper side of the steam pipe 30 is not blocked by the countercurrent latex agglomeration after all protection measures fail. Through setting up the crooked end installation of reverse U-shaped and dismantling flange 31 at steam pipe 30, can dredge steam pipe 30 through dismantling flange 31 after steam pipe 30 blocks up, reduced the mediation degree of difficulty to steam pipe 30. The motor 11 drives the stirring blade 12 to move in the coagulation kettle 10 through the stirring shaft 13, so that the stirring of materials in the coagulation kettle 10 is favorable for accelerating the coagulation of the materials, and meanwhile, the supporting seat 14 can ensure the stability of the stirring shaft 13 in the rotation process, so that the vibration of the coagulation kettle 10 is reduced.
The axial distance of the overflow discharge hole 43 along the coagulation kettle 10 is reduced, so that the length of the material liquid level from the feeding part can be reduced, the material is prevented from being blocked by the waste gas pipe 42 when splashed liquid drops enter the waste gas pipe 42 in the stirring process, meanwhile, the waste gas pipe 42 is far away from the latex feed hole 40 and the coagulant pipe orifice 41, the liquid drops which are splashed by the material impact liquid level in the feeding process can be reduced, and enter the waste gas pipe 42, so that the blocking of the waste gas pipe 42 is further avoided, and a small amount of liquid drops entering the waste gas pipe 42 can flow into the coagulation kettle 10 under the action of gravity through the arrangement of the waste gas pipe 42 with more than two meters, and the waste gas is prevented from being carried out.
The on-line thermistor thermometers 44 can respectively measure the temperature in the condensation kettle 10 and control the opening and closing degree of the pneumatic regulating valve 32, normal temperature intervals are preset in the three on-line thermistor thermometers 44, when the temperatures of the three on-line thermistor thermometers 44 are all read normally, the temperatures take the intermediate value of the three temperatures, when the temperature measured by one on-line thermistor thermometer 44 is abnormal, namely exceeds the preset temperature interval, the temperatures are automatically removed, the average value of the remaining two temperatures is taken, when the temperature of the two on-line thermistor thermometers 44 is abnormal, the temperature is automatically alarmed, the value of the remaining one temperature is taken, and thus the influence on production caused by the faults of the on-line thermistor thermometer 44 can be avoided to the greatest extent.
The coagulation kettle 10 can be fixed and hung by the external structural beam and the fixing lugs 15, and because the coagulation kettle 10 needs to be continuously introduced with steam when in use and is kept in a continuously stirred state, the vibration value of the coagulation kettle 10 can be larger than that of other stirring equipment, and the suspension installation mode of the coagulation kettle 10 can reduce the gravity center, improve the structural strength and obviously reduce the vibration value of the equipment. Because the material in the coagulation kettle 10 is easy to layer after coagulation, the manhole flange 16 is flush with the inner wall of the coagulation kettle 10 at this time, so that dead zones can be eliminated, and long-term retention of the material at the joint of the manhole flange 16 and the coagulation kettle 10 is avoided.
A processing method of an ABS latex continuous condensation demulsification processing device comprises the following steps
S1: introducing the materials into a coagulation kettle 10 through a feeding part to coagulate, wherein the materials are latex and coagulant, the latex is diluted to 15-30% concentration (such as 22.5%) by heating water before introducing the latex, and the coagulant is dilute sulfuric acid or magnesium sulfate with the addition ratio of 1-4PHR (such as 1.6PHR sulfuric acid);
s2: the gas supply part continuously supplies gas, namely steam, into the steam injector 20, so that the gas enters the inside of the coagulation kettle 10 through the steam injector 20 to participate in coagulation, and the stirring blades 12 need to be continuously stirred in the coagulation process;
s3: the gas entering the steam injector 20 is positioned in the exhaust hood 22 and overflows into the condensation kettle 10 through the exhaust hole 23 to be mixed with the materials in the condensation kettle 10;
s4: the agglomerated material overflows through overflow outlet 43.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. An ABS latex continuous condensation demulsification treatment device is characterized in that: including the condensation kettle (10), steam injector (20), steam pipe (30), overflow discharge gate (43), feed portion and air feed portion, steam pipe (30) set up in the one side that is close to the bottom of condensation kettle (10) lateral wall, air feed portion and steam pipe (30) intercommunication, feed portion sets up in the top of condensation kettle (10), overflow discharge gate (43) set up in the lateral wall of condensation kettle (10) and with the inside intercommunication of condensation kettle (10), the volume between radial plane that overflow discharge gate (43) is located to condensation kettle (10) bottom accounts for the 80% of condensation kettle (10) total volume, one end that condensation kettle (10) were kept away from to overflow discharge gate (43) is inclined towards condensation kettle (10) bottom, steam injector (20) are including flange (21), exhaust hood (22) and exhaust hole (23), flange (21) are installed in condensation kettle (10) inside wall bottom and are kept away from the one end intercommunication of portion with steam pipe (30), flange (21) are along condensation kettle (10) radial extension, exhaust hood (22) and flange (21) are towards condensation kettle (10) total volume, one end that condensation kettle (10) is kept away from, a plurality of exhaust holes (23) are set up on exhaust hole (23), the sum of the total opening cross-sectional areas of the plurality of exhaust holes (23) is equal to 6.5 times of the inner diameter cross-sectional area of the steam pipe (30).
2. The continuous condensation demulsification treatment equipment for ABS latex according to claim 1, wherein the equipment comprises: the communication end of the steam pipe (30) and the connecting flange (21) is fixedly provided with a one-way valve (24), and one end of the steam pipe (30) far away from the condensation kettle (10) is in an inverted U-shaped arrangement.
3. The continuous condensation demulsification treatment equipment for ABS latex according to claim 2, wherein the equipment is characterized in that: the bent end of the inverted U-shaped steam pipe (30) is detachably provided with a detachable flange (31).
4. The continuous condensation demulsification treatment equipment for ABS latex according to claim 1, wherein the equipment comprises: be provided with stirring portion in condensation kettle (10), stirring portion includes motor (11), stirring paddle (12), (mixing) shaft (13) and supporting seat (14), the axis department at condensation kettle (10) top is installed in motor (11), stirring (13) and motor (11) power are connected (mixing) shaft (13) and are followed condensation kettle (10) axial extension to condensation kettle (10) inside, supporting seat (14) are fixed in condensation kettle (10) inboard bottom, stirring (13) extend to the one end of condensation kettle (10) and are connected with supporting seat (14) rotation, stirring paddle (12) are provided with a plurality of, a plurality of stirring paddle (12) fixed mounting is on stirring (13).
5. The continuous condensation demulsification treatment equipment for ABS latex according to claim 1, wherein the equipment comprises: the part of the inner side of the condensation kettle (10) close to the middle part of the condensation kettle (10) is provided with on-line thermistor thermometers (44) on the same radial plane, three on-line thermistor thermometers (44) are arranged in total, and the three on-line thermistor thermometers (44) are arranged in an equal-angle circumferential array along the axis of the condensation kettle (10).
6. The continuous condensation demulsification treatment equipment for ABS latex according to claim 1, wherein the equipment comprises: the feed portion includes latex feed inlet (40), coagulant mouth of pipe (41) and exhaust pipe (42), and latex feed inlet (40), coagulant mouth of pipe (41) and exhaust pipe (42) are with the inside intercommunication of coagulation kettle (10), and latex feed inlet (40) and coagulant mouth of pipe (41) are located the eccentric side at coagulation kettle (10) top, and exhaust pipe (42) are located the eccentric side at coagulation kettle (10) top relative latex feed inlet (40) and coagulant mouth of pipe (41).
7. The continuous condensation demulsification treatment equipment for ABS latex according to claim 5, wherein the equipment comprises: the air supply part comprises a steam pipeline (50) and a compressed air pipeline (51), the steam pipeline (50) and the compressed air pipeline (51) are mutually communicated, the communication part of the steam pipeline (50) and the compressed air pipeline (51) is communicated with the steam pipe (30), the steam pipeline (50) is provided with a pneumatic control valve (32), the compressed air pipeline (51) is provided with a pneumatic switch valve (33), and the pneumatic control valve (32) is electrically connected with an online thermistor thermometer (44).
8. The continuous condensation demulsification treatment equipment for ABS latex according to claim 1, wherein the equipment comprises: the outer wall fixed mounting who gathers cauldron (10) has fixed journal stirrup (15), and fixed journal stirrup (15) are provided with a plurality of, and a plurality of fixed journal stirrup (15) are along setting up of the equal angle circumference array of the axial of gathering cauldron (10).
9. The continuous condensation demulsification treatment equipment for ABS latex according to claim 1, wherein the equipment comprises: the outer side wall of the coagulation kettle (10) is provided with a manhole flange (16), and one end of the manhole flange (16) extends to the interior of the coagulation kettle (10) to be flush with the inner wall of the coagulation kettle (10).
10. The method for processing the continuous condensation demulsification processing equipment for the ABS latex according to any one of claims 1 to 9, wherein the method comprises the following steps: the processing method comprises
S1: introducing the materials into a coagulation kettle (10) through a feeding part for coagulation;
s2: the gas supply part supplies gas into the steam injector (20), so that the gas enters the inside of the condensation kettle (10) through the steam injector (20) to participate in condensation;
s3: the gas entering the steam injector (20) is positioned in the exhaust hood (22) and overflows into the condensation kettle (10) through the exhaust hole (23);
s4: the condensed material overflows through an overflow outlet (43).
CN202310675651.XA 2023-06-08 2023-06-08 Processing equipment and processing method for continuous condensation and demulsification of ABS latex Pending CN116510355A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310675651.XA CN116510355A (en) 2023-06-08 2023-06-08 Processing equipment and processing method for continuous condensation and demulsification of ABS latex

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310675651.XA CN116510355A (en) 2023-06-08 2023-06-08 Processing equipment and processing method for continuous condensation and demulsification of ABS latex

Publications (1)

Publication Number Publication Date
CN116510355A true CN116510355A (en) 2023-08-01

Family

ID=87406554

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310675651.XA Pending CN116510355A (en) 2023-06-08 2023-06-08 Processing equipment and processing method for continuous condensation and demulsification of ABS latex

Country Status (1)

Country Link
CN (1) CN116510355A (en)

Similar Documents

Publication Publication Date Title
CN110420613A (en) Lithium carbonate reactor
CN116510355A (en) Processing equipment and processing method for continuous condensation and demulsification of ABS latex
CN110559938A (en) aluminum sulfate dissolving equipment and dissolving method
CN109012454A (en) A kind of water treatment agent material high-efficiency mixing arrangement
CN211159717U (en) Vanadyl sulfate solution preparation device and production system
CN110743476B (en) Multifunctional calcium hydroxide preparation tank and preparation method
CN109012537B (en) Energy-saving reation kettle with high-efficient heat transfer function
JPH02239911A (en) Continuous manufacture of polytetrafluoroethylene wet powder
CN111686677A (en) A prevent stifled reation kettle for polyurethane production
CN207862421U (en) The primary displacement of zinc powder prepares Spongy Cadmium device
CN217459364U (en) Steam control device in beer saccharification production process
CN209155170U (en) A kind of rapid crystallization equipment of potassium fluotitanate
CN213253883U (en) Full-automatic self-mixing deslagging and feeding device
CN210752651U (en) Lithium carbonate reactor
CN208927950U (en) Continuous colloidal sol system
CN211070055U (en) Large-volume ternary anode material precursor reaction kettle with high stirring shearing force
CN208145950U (en) A kind of dual temperature control reaction kettle with porous media
CN206881649U (en) A kind of shear agitation formula Vacuum Mixture tank
CN114681957A (en) Spraying type defoaming device and defoaming method for dairy product processing
CN216259558U (en) System for regulating and controlling addition amount of activated carbon in adipic acid production process
CN216769772U (en) Gas heater is with mixed water pitcher of taking mechanical stirring
CN114061147B (en) Mixed water tank with mechanical stirring for gas water heater and water mixing method
US4044662A (en) Apparatus for continuous cheese making
CN210187139U (en) Vacuum reaction kettle
CN207805570U (en) The feeding control system and reaction kettle of reaction kettle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination