CN213173142U - Continuous production device for AKD surface sizing agent - Google Patents
Continuous production device for AKD surface sizing agent Download PDFInfo
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- CN213173142U CN213173142U CN202021994587.XU CN202021994587U CN213173142U CN 213173142 U CN213173142 U CN 213173142U CN 202021994587 U CN202021994587 U CN 202021994587U CN 213173142 U CN213173142 U CN 213173142U
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Abstract
The utility model belongs to the technical field of chemical industry is synthetic, specificly relate to a continuous production device for AKD surface sizing agent. The system comprises a cationic starch pasting system, a dispersant compounding system, an AKD melting and emulsifying system, an AKD surface sizing agent homogenizing system and an AKD surface sizing agent condensing and discharging system; the cationic starch pasting kettle of the cationic starch pasting system is connected with the AKD surface sizing agent emulsifying kettle of the AKD surface sizing agent homogenizing system; a dispersing kettle of the dispersing agent compounding system is connected with an AKD surface sizing agent emulsifying kettle of the AKD surface sizing agent homogenizing system; the AKD surface sizing agent emulsifying kettle of the AKD surface sizing agent homogenizing system is connected with a homogenizer, and the homogenizer is connected with a condenser. The device has high degree of mechanization, and reduces the labor cost; meanwhile, the hydrolysis of AKD is reduced, the emulsion has uniform particle size and is not easy to break, and the high-stability AKD surface sizing agent is prepared.
Description
Technical Field
The utility model belongs to the technical field of chemical industry is synthetic, specificly relate to a continuous production device for AKD surface sizing agent.
Background
The surface sizing agent is a papermaking additive, and the paper has the performance of delaying the penetration of fluids such as water, oil and the like by adding the surface sizing agent so as to achieve the purposes of ink resistance, oil resistance and the like. The AKD surface sizing agent is one of surface sizing agents, and the main component is Alkyl Ketene Dimer (AKD).
The AKD surface sizing agent is mainly prepared by dispersing and emulsifying molten AKD wax, cationic starch and the like by a dispersing agent, the AKD belongs to a reaction type sizing agent, a lactone ring contained in AKD molecules is opened in the drying process of paper sheets, then the paper sheets and hydroxyl on the surfaces of fibers are subjected to esterification reaction to form a covalent bond and are fixed on the fibers, and long-chain alkyl with hydrophobicity in the molecules is turned to the outside of the fibers, so that the paper sheets are endowed with water resistance.
The traditional production device is a one-pot kettle type production, namely: adding measured AKD wax, cationic starch, dispersant, accelerator, bactericide, defoaming agent and the like into the same reaction kettle, heating, stirring and emulsifying, and homogenizing in a homogenizer to obtain an oil-in-water (O/W) type finished product. But the traditional production device has low mechanization degree and high labor cost; in addition, the production process can cause high hydrolysis degree of the AKD as the effective component, uneven grain diameter of the emulsion, poor stability of the emulsion, easy demulsification and precipitation, and serious influence on the sizing performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a continuous production device for AKD surface sizing agent, which adopts a continuous tubular reactor to replace the traditional one-pot kettle type production device, has safe and full-automatic process, high degree of mechanization and reduced labor cost, and aims at solving the problems that the prior production device is an intermittent reaction kettle, has high labor cost, poor product quality and the like; meanwhile, the hydrolysis of AKD is reduced, the AKD surface sizing agent emulsion is treated by a homogenizer, the emulsion has uniform particle size and is not easy to break, and the high-stability AKD surface sizing agent is prepared.
The technical scheme of the utility model is that:
a continuous production device for an AKD surface sizing agent comprises a cationic starch pasting system, a dispersant compounding system, an AKD melt emulsification system, an AKD surface sizing agent homogenizing system and an AKD surface sizing agent condensation discharge system; the cationic starch pasting kettle of the cationic starch pasting system is connected with the AKD surface sizing agent emulsifying kettle of the AKD surface sizing agent homogenizing system; a dispersing kettle of the dispersing agent compounding system is connected with an AKD surface sizing agent emulsifying kettle of the AKD surface sizing agent homogenizing system; the AKD surface sizing agent emulsifying kettle of the AKD surface sizing agent homogenizing system is connected with a homogenizer, and the homogenizer is connected with a condenser.
Further, the cationic starch gelatinization system comprises a soft water storage tank I, a ball valve, a soft water flowmeter I, a liquid alkali storage tank, a liquid alkali flowmeter, a cationic starch conveying belt, a cationic starch charging barrel and a cationic starch gelatinization kettle; the soft water storage tank I is connected with a feed inlet of the cationic starch gelatinization kettle through a ball valve and a soft water flowmeter I; the liquid caustic soda storage tank is connected with a feed inlet of the cationic starch gelatinization kettle through a ball valve and a liquid caustic soda flow meter; the cationic starch conveying belt is matched with a cationic starch charging barrel, and the cationic starch charging barrel is connected with a feeding hole of the cationic starch pasting kettle; the cationic starch conveyor belt can convey the material to the cationic starch barrel.
Further, a jacket is arranged outside the cationic starch gelatinization kettle; the soft water flowmeter I and the liquid caustic soda flowmeter are both mass flowmeters.
Further, the dispersant compounding system comprises a dispersant conveying belt, a dispersant charging barrel, a soft water storage tank II, a soft water flowmeter II and a dispersing kettle, wherein the soft water storage tank II is connected with the dispersing kettle through a ball valve and the soft water flowmeter II; the dispersing agent conveying belt is matched with a dispersing agent charging barrel, and the dispersing agent charging barrel is connected with a dispersing kettle; the dispersant transfer belt may transfer material to the dispersant cartridge.
Further, a jacket is arranged outside the dispersion kettle; the soft water flowmeter II is a mass flowmeter.
Further, the AKD melting and emulsifying system comprises an AKD conveying belt, an AKD charging barrel, an AKD surface sizing agent emulsifying kettle, a dispersing agent liquid flow meter and a gelatinized starch flow meter; the dispersion kettle is connected with the AKD surface sizing agent emulsification kettle through a ball valve and a dispersant liquid flow meter; the cationic starch pasting kettle is connected with the AKD surface sizing agent emulsifying kettle through a ball valve and a pasting starch flow meter; the AKD conveying belt is matched with an AKD charging barrel, and the AKD charging barrel is connected with an AKD surface sizing agent emulsifying kettle; the AKD conveyor belt can convey the material to the AKD cartridge.
Further, a jacket is arranged outside the AKD surface sizing agent emulsifying kettle; the dispersant liquid flowmeter and the gelatinized starch flowmeter are both mass flowmeters.
Further, the AKD surface sizing agent homogenizing system comprises a homogenizer I and a homogenizer II; the AKD surface sizing agent emulsifying kettle is connected with the homogenizer I through a ball valve; the homogenizer I and the homogenizer II are connected in series through a ball valve and a pipeline.
Further, the AKD surface sizing agent condensation discharge system comprises a condenser, a ball valve and an AKD surface sizing agent finished product flow meter; the homogenizer II is connected with the condenser through a ball valve; the condenser is connected with the discharge hole through a ball valve and an AKD surface sizing agent finished product flow meter; the condenser has a refrigerant inlet and outlet.
Further, the flow meter of the AKD surface sizing agent finished product is a mass flow meter.
The utility model has the advantages that,
compared with the one-pot kettle type production device adopted by the traditional process, the continuous production device for the AKD surface sizing agent reduces the hydrolysis of the AKD, adopts the homogenizer to treat the AKD surface sizing agent emulsion, has uniform emulsion particle size, is not easy to break emulsion, and has stable and reliable product quality; the production process is safe and fully automatic, the degree of mechanization is high, and the labor cost is reduced.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a continuous production apparatus for an AKD surface sizing agent according to an embodiment of the present invention.
Wherein, 1 is soft water storage tank I, 2 is the ball valve, 3 is soft water flowmeter I, 4 is the liquid caustic soda storage tank, 5 is the liquid caustic soda flowmeter, 6 is the cationic starch conveyer belt, 7 is the cationic starch feed cylinder, 8 is the cationic starch gelatinization cauldron, 9 is the gelatinization starch flowmeter, 10 is the dispersant conveyer belt, 11 is the dispersant feed cylinder, 12 is soft water flowmeter II, 13 is the dispersion cauldron, 14 is the dispersant liquid flowmeter, 15 is soft water storage tank II, 16 is the AKD feed cylinder, 17 is the AKD conveyer belt, 18 is AKD surface sizing agent emulsification cauldron, 19 is isotropic symmetry I, 20 is isotropic symmetry II, 21 is the condenser, 22 is AKD surface sizing agent finished product flowmeter, 23 is the drain hole.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1
Can see from figure 1, the utility model discloses a continuous production device for AKD surface sizing agent, including cationic starch gelatinization system, the built-up system of dispersant, AKD melting emulsification system, AKD surface sizing agent homogeneous system, AKD surface sizing agent condensation blowing system.
The cationic starch gelatinization system comprises a soft water storage tank I1, a ball valve 2, a soft water flowmeter I3, a liquid alkali storage tank 4, a liquid alkali flowmeter 5, a cationic starch conveying belt 6, a cationic starch charging barrel 7 and a cationic starch gelatinization kettle 8; the soft water storage tank I1 is connected with a feed inlet of the cationic starch gelatinization kettle 8 through a ball valve 2 and a soft water flowmeter I3; the liquid caustic soda storage tank 4 is connected with a feed inlet of the cationic starch gelatinization kettle 8 through a ball valve and a liquid caustic soda flow meter 5; the cationic starch conveying belt 6 is matched with the cationic starch charging barrel 7, and the cationic starch charging barrel 7 is connected with a feeding hole of the cationic starch pasting kettle 8; the cationic starch conveying belt can convey materials to the cationic starch charging barrel; a jacket is arranged outside the cationic starch gelatinization kettle 8; the soft water flowmeter I3 and the liquid caustic soda flowmeter 5 are mass flowmeters.
The dispersant compounding system comprises a dispersant conveying belt 10, a dispersant charging barrel 11, a soft water storage tank II 15, a soft water flowmeter II 12 and a dispersing kettle 13; the soft water storage tank II 15 is connected with the dispersion kettle 13 through a ball valve and a soft water flowmeter II 12; the dispersing agent conveying belt 10 is matched with a dispersing agent charging barrel 11, and the dispersing agent charging barrel 11 is connected with a dispersing kettle 13; the dispersant conveyor belt can convey materials to the dispersant charging barrel; a jacket is arranged outside the dispersion kettle 13; the soft water flowmeter II 12 is a mass flowmeter.
The AKD melting and emulsifying system comprises an AKD conveying belt 17, an AKD charging barrel 16, an AKD surface sizing agent emulsifying kettle 18, a dispersant liquid flowmeter 14 and a gelatinized starch flowmeter 9: the dispersing kettle 13 is connected with an AKD surface sizing agent emulsifying kettle 18 through a ball valve and a dispersing agent liquid flow meter 14; the cationic starch pasting kettle 8 is connected with an AKD surface sizing agent emulsifying kettle 18 through a ball valve and a pasting starch flow meter 9; an AKD conveying belt 17 is matched with an AKD charging barrel 16, and the AKD charging barrel 16 is connected with an AKD surface sizing agent emulsifying kettle 18; an AKD conveyor 17 may convey material to the AKD barrel 16; a jacket is arranged outside the AKD surface sizing agent emulsifying kettle 18; the dispersant liquid flowmeter 14 and the gelatinized starch flowmeter 9 are both mass flowmeters.
The AKD surface sizing agent homogenizing system comprises a homogenizer I19, a homogenizer II 20: the AKD surface sizing agent emulsifying kettle 18 is connected with a homogenizer I19 through a ball valve; the homogenizer I19 and the homogenizer II 20 are connected in series through a ball valve and a pipeline.
The AKD surface sizing agent condensation discharge system comprises a condenser 21, a ball valve and an AKD surface sizing agent finished product flow meter 22; the homogenizer II 20 is connected with a condenser 21 through a ball valve; condenser 21 is connected to discharge port 23 via a ball valve, AKD surface sizing agent product flow meter 22. The condenser is provided with a refrigerant inlet and a refrigerant outlet; AKD surface sizing agent finished product flow meter 22 is a mass flow meter.
The working process of the device is as follows:
cationic starch gelatinization system: cationic starch is conveyed into a cationic starch cylinder 7 through a cationic starch conveying belt 6, and then is put into a cationic starch gelatinization kettle 8, soft water is put into the cationic starch gelatinization kettle 8 through a soft water flowmeter I3, liquid caustic soda is put into the cationic starch gelatinization kettle 8 through a liquid caustic soda flowmeter 5, heating is carried out until the temperature is raised to 90 ℃, and the gelatinized starch can be obtained after 5-10 minutes of reaction; a dispersant compounding system: the dispersing agent is put into a dispersing agent charging barrel 11 through a dispersing agent conveying belt 10 and then is put into a dispersing kettle 13, soft water is put into the dispersing kettle 13 through a soft water flowmeter II 12, and dispersing agent liquid is obtained through heating and stirring; AKD melt emulsification system: AKD is sent into an AKD charging barrel 16 through an AKD conveying belt 17, and then is put into an AKD surface sizing agent emulsifying kettle 18, the AKD is heated to 90 ℃ to be melted, the dispersing agent liquid is put into the AKD surface sizing agent emulsifying kettle 18 through a dispersing agent liquid flow meter 14, the dispersing agent is emulsified and melted with AKD, the gelatinized starch is put into the AKD surface sizing agent emulsifying kettle 18 through a gelatinized starch flow meter 9, and further dispersed and emulsified to prepare an AKD surface sizing agent semi-finished product; AKD surface sizing agent homogenizing system: the AKD surface sizing agent semi-finished product sequentially enters a homogenizer I19 and a homogenizer II 20 through ball valves for homogenizing and dispersing; AKD surface sizing agent condensation blowing system: the homogenized AKD surface sizing agent is cooled by a ball valve and a condenser 22 to obtain a finished product, and the finished product enters a packaging barrel through a finished product flowmeter 22 and a discharge hole 23.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A continuous production device for an AKD surface sizing agent is characterized by comprising a cationic starch pasting system, a dispersant compounding system, an AKD melt emulsification system, an AKD surface sizing agent homogenizing system and an AKD surface sizing agent condensation discharging system; the cationic starch pasting kettle of the cationic starch pasting system is connected with the AKD surface sizing agent emulsifying kettle of the AKD surface sizing agent homogenizing system; a dispersing kettle of the dispersing agent compounding system is connected with an AKD surface sizing agent emulsifying kettle of the AKD surface sizing agent homogenizing system; the AKD surface sizing agent emulsifying kettle of the AKD surface sizing agent homogenizing system is connected with a homogenizer, and the homogenizer is connected with a condenser.
2. The continuous production device for the AKD surface sizing agent according to claim 1, wherein the cationic starch gelatinization system comprises a soft water storage tank I, a ball valve, a soft water flow meter I, a liquid alkali storage tank, a liquid alkali flow meter, a cationic starch conveyor belt, a cationic starch cylinder and a cationic starch gelatinization kettle; the soft water storage tank I is connected with a feed inlet of the cationic starch gelatinization kettle through a ball valve and a soft water flowmeter I; the liquid caustic soda storage tank is connected with a feed inlet of the cationic starch gelatinization kettle through a ball valve and a liquid caustic soda flow meter; the cationic starch conveying belt is matched with the cationic starch charging barrel, and the cationic starch charging barrel is connected with the feeding hole of the cationic starch pasting kettle.
3. The continuous production apparatus for an AKD surface sizing agent according to claim 2, wherein a jacket is provided outside the cationic starch gelatinizing kettle; the soft water flowmeter I and the liquid caustic soda flowmeter are both mass flowmeters.
4. The continuous production device for the AKD surface sizing agent according to any one of claims 1 to 3, characterized in that the dispersant compounding system comprises a dispersant conveying belt, a dispersant charging barrel, a soft water storage tank II, a soft water flow meter II and a dispersion kettle, wherein the soft water storage tank II is connected with the dispersion kettle through a ball valve and the soft water flow meter II; the dispersing agent conveyer belt is matched with the dispersing agent charging barrel, and the dispersing agent charging barrel is connected with the dispersing kettle.
5. The continuous production apparatus for an AKD surface sizing agent according to claim 4, wherein a jacket is provided outside the dispersion tank; the soft water flowmeter II is a mass flowmeter.
6. The continuous production apparatus for AKD surface sizing agent according to any of claims 1 to 3, wherein said AKD melt emulsification system comprises an AKD conveyor belt, an AKD cylinder, an AKD surface sizing agent emulsification vessel, a dispersant liquid flow meter, a gelatinized starch flow meter; the dispersion kettle is connected with the AKD surface sizing agent emulsification kettle through a ball valve and a dispersant liquid flow meter; the cationic starch pasting kettle is connected with the AKD surface sizing agent emulsifying kettle through a ball valve and a pasting starch flow meter; the AKD conveying belt is matched with the AKD charging barrel, and the AKD charging barrel is connected with the AKD surface sizing agent emulsifying kettle.
7. The continuous production apparatus for an AKD surface sizing agent according to claim 6, wherein a jacket is provided outside the AKD surface sizing agent emulsifying tank; the dispersant liquid flowmeter and the gelatinized starch flowmeter are both mass flowmeters.
8. A continuous manufacturing apparatus for an AKD surface size according to any one of claims 1 to 3, characterised in that the AKD surface size homogenising system comprises a homogeniser i, a homogeniser ii; the AKD surface sizing agent emulsifying kettle is connected with the homogenizer I through a ball valve; the homogenizer I and the homogenizer II are connected in series through a ball valve and a pipeline.
9. The continuous production apparatus for an AKD surface sizing agent according to any one of claims 1 to 3, wherein said AKD surface sizing agent condensation and discharge system comprises a condenser, a ball valve, and an AKD surface sizing agent finished product flow meter; the homogenizer II is connected with the condenser through a ball valve; the condenser is connected with the discharge hole through a ball valve and an AKD surface sizing agent finished product flow meter; the condenser has a refrigerant inlet and outlet.
10. The continuous production apparatus for an AKD surface sizing agent according to claim 9, characterized in that the AKD surface sizing agent finished product flow meter is a mass flow meter.
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| CN202021994587.XU CN213173142U (en) | 2020-09-11 | 2020-09-11 | Continuous production device for AKD surface sizing agent |
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| CN202021994587.XU CN213173142U (en) | 2020-09-11 | 2020-09-11 | Continuous production device for AKD surface sizing agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114950885A (en) * | 2022-05-26 | 2022-08-30 | 安徽海逸生物科技有限公司 | AKD wax melting equipment and method for processing special pulp internal sizing agent for corrugated case board paper |
| CN114950885B (en) * | 2022-05-26 | 2024-05-10 | 安徽海逸生物科技有限公司 | AKD wax melting equipment and method for processing special internal sizing agent for corrugated cardboard paper |
-
2020
- 2020-09-11 CN CN202021994587.XU patent/CN213173142U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114950885A (en) * | 2022-05-26 | 2022-08-30 | 安徽海逸生物科技有限公司 | AKD wax melting equipment and method for processing special pulp internal sizing agent for corrugated case board paper |
| CN114950885B (en) * | 2022-05-26 | 2024-05-10 | 安徽海逸生物科技有限公司 | AKD wax melting equipment and method for processing special internal sizing agent for corrugated cardboard paper |
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