阅读说明：本技术 一种水溶性松香树脂加工设备及其应用方法 (Water-soluble rosin resin processing equipment and application method thereof ) 是由 关继华 陆顺忠 黎贵卿 吴建文 邱米 杨素华 汤星月 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种水溶性松香树脂加工设备及其应用方法,所述设备包括反应釜、搅拌器和进料口；所述搅拌器位于反应釜的上方,搅拌器的下方搅拌轴依次设有消泡搅拌桨、搅拌桨和螺旋桨；所述反应釜的上、下部均匀分布加热盘管,所述反应釜的顶部设有进料口、辅料进料口及人孔；所述反应釜的底部还设有导热油入口、物料出口和夹套进口,所述反应釜从外依次设有夹套和内壁；所述夹套上连接有夹套出口,所述反应釜的上部设有与加热盘管连接的盘管导热油出口。本设备结构简单、物料受热均匀,反应更稳定,能耗更低等优点,所述方法生产的松香树脂具有水溶性和稳定性较好、粘度大、硬度高、耐水性好、环保无气味、透明等优点,各项指标优良。(The invention discloses a water-soluble rosin resin processing device and an application method thereof, wherein the device comprises a reaction kettle, a stirrer and a feeding hole; the stirrer is positioned above the reaction kettle, and a stirring shaft below the stirrer is sequentially provided with a defoaming stirring paddle, a stirring paddle and a propeller; heating coils are uniformly distributed on the upper part and the lower part of the reaction kettle, and a feed inlet, an auxiliary material feed inlet and a manhole are arranged at the top of the reaction kettle; the bottom of the reaction kettle is also provided with a heat conduction oil inlet, a material outlet and a jacket inlet, and the reaction kettle is sequentially provided with a jacket and an inner wall from the outside; the reaction kettle is characterized in that a jacket outlet is connected to the jacket, and a coil heat conduction oil outlet connected with the heating coil is arranged at the upper part of the reaction kettle. The rosin resin produced by the method has the advantages of good water solubility and stability, high viscosity, high hardness, good water resistance, environmental protection, no odor, transparency and the like, and each index is excellent.)

1. A water-soluble rosin resin processing device is characterized in that: comprises a reaction kettle (1), a stirrer (14) and a feed inlet (15); the stirrer (14) is positioned above the reaction kettle (1), and a defoaming stirring paddle (10), a stirring paddle (8) and a propeller (5) are sequentially arranged on a stirring shaft below the stirrer (14); heating coils (19) are uniformly distributed on the upper part and the lower part of the reaction kettle, and a feed inlet (15), an auxiliary material feed inlet (16) and a manhole (13) are arranged at the top of the reaction kettle; the bottom of the reaction kettle is also provided with a heat conduction oil inlet (2), a material outlet (3) and a jacket inlet (4), and the reaction kettle is sequentially provided with a jacket (6) and an inner wall (7) from the outside; the jacket (6) is connected with a jacket outlet (18), and the upper part of the reaction kettle (1) is provided with a coil heat-conducting oil outlet connected with a heating coil (19).

2. The apparatus for processing water-soluble rosin resin according to claim 1, wherein: the outer side of the jacket (6) is also provided with a support (9) and a vent (11).

3. The apparatus for processing water-soluble rosin resin according to claim 1, wherein: the defoaming stirring paddle (10) is a disc type turbine stirring paddle, and the stirring paddle (3) is a straight blade stirring paddle.

4. The method of using the water-soluble rosin resin processing apparatus of claim 1, wherein: the method for preparing the water-soluble rosin resin by using the equipment comprises the following steps:

(1) introducing nitrogen from the auxiliary material feeding pipe, evacuating the air in the reaction kettle, adding the rosin into the reaction kettle from the feeding hole, adding ethanol from the auxiliary material feeding hole, opening the stirrer, introducing heat-conducting oil from the heat-conducting oil inlet in a stirring state, heating to 140-;

(2) after the rosin is dissolved, introducing a catalyst consisting of metalloporphyrin and boron oxide from an auxiliary material inlet, introducing fumaric acid from the auxiliary material inlet of the reaction kettle, continuously stirring, controlling the reaction temperature to be 80-100 ℃, reacting for 60-80min, and filtering to remove the catalyst to obtain fumaric acid modified rosin;

(3) pentaerythritol is added from an auxiliary material inlet, a catalyst consisting of metalloporphyrin and boron oxide is added, the reaction temperature is controlled to be 180-220 ℃, and the esterification reaction lasts for 1-2 hours;

(4) under the stirring state, adding a surfactant from auxiliary materials, wherein the surfactant consists of sodium cocoamidoalkyl sulfate and isooctanol polyoxyethylene ether phosphate, preserving the temperature at 80-100 ℃ for 20-30min, cooling to room temperature, and discharging from a material outlet to obtain the water-soluble rosin resin.

5. The method of using the water-soluble rosin resin processing apparatus according to claim 4, wherein: the weight ratio of the rosin to the ethanol in the step (1) is 100:15-30 parts.

6. The method of using the water-soluble rosin resin processing apparatus according to claim 4, wherein: the adding amount of the catalyst in the steps (2) and (3) is 0.5-1.5% of the weight of the rosin.

7. The method of using the water-soluble rosin resin processing apparatus according to claim 4, wherein: the metalloporphyrin is tetra (pentafluorophenyl) iron porphyrin and/or tetra (pentafluorophenyl) cobalt porphyrin.

8. The method of using the water-soluble rosin resin processing apparatus according to claim 7, wherein: the weight ratio of the metalloporphyrin to the boron oxide is 1: 1-3.

9. The method of using the water-soluble rosin resin processing apparatus according to claim 4, wherein: the addition amount of the fumaric acid is 6-10% of the weight of the rosin, and the addition amount of the pentaerythritol is 10-15% of the weight of the rosin.

10. The method of using the water-soluble rosin resin processing apparatus according to claim 4, wherein: the addition amount of the surfactant is 1-3% of the weight of the rosin.

Technical Field

The invention relates to the technical field of rosin production, in particular to water-soluble rosin resin processing equipment and an application method thereof.

Background

Rosin is a renewable mixed natural resin and is one of the most important products in forest chemical industry in China. At present, rosin is widely applied to industrial production as a modifier and an additive, and is widely applied to the fields of coatings, printing ink, paints, adhesives, welding aids, rubber, papermaking, food additives, biological products and the like, but because rosin has instability, such as easy crystallization, easy oxidation and color change, low softening point and the like, the performance and the application field of the rosin are limited, and therefore, the rosin is generally subjected to deep processing.

The water-soluble rosin resin is polyol rosin with light color, is prepared by using refined rosin as basic raw material and through the processes of hydrogenation, esterification, water-soluble treatment and the like, and is a novel low-pollution, energy-saving and resource-saving coating. The water-soluble treatment is to introduce hydrophilic groups or solubilizing groups into the resin to make it a coating material using water as a dissolving medium. The processing method of the existing water-soluble rosin resin mainly comprises a solvent method, a high-pressure melting method and an ultrasonic emulsification method. For the solvent method, the prepared rosin emulsion contains organic solvent harmful to human body, and has the problems of poor viscosity, opacity, high production difficulty, poor compatibility and the like. For the high-pressure melting method and the ultrasonic emulsification method, the preparation process has high requirements on equipment and operation conditions and high cost.

At present, the processing procedure of the water-soluble rosin resin is mainly to mix rosin and an auxiliary agent according to a certain proportion, then the mixture is put into a dissolving kettle to be heated and dissolved, and most impurities are removed. The traditional dissolving device has the defects of nonuniform heating, slow temperature rise, high energy consumption, low dissolving efficiency and the like.

The above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.

Disclosure of Invention

The invention provides a water-soluble rosin resin processing device and an application method thereof, which solve the problems existing in the preparation of the existing water-soluble rosin resin. The equipment has the advantages of simple structure, uniform heating of materials, more stable reaction, lower energy consumption and good quality of the prepared water-soluble rosin resin.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the first object of the present invention is to provide: a water-soluble rosin resin processing device comprises a reaction kettle, a stirrer and a feeding hole; the stirrer is positioned above the reaction kettle, and a stirring shaft below the stirrer is sequentially provided with a defoaming stirring paddle, a stirring paddle and a propeller; heating coils are uniformly distributed on the upper part and the lower part of the reaction kettle, and a feed inlet, an auxiliary material feed inlet and a manhole are arranged at the top of the reaction kettle; the bottom of the reaction kettle is also provided with a heat conduction oil inlet, a material outlet and a jacket inlet, and the reaction kettle is sequentially provided with a jacket and an inner wall from the outside; the reaction kettle is characterized in that a jacket outlet is connected to the jacket, and a coil heat conduction oil outlet connected with the heating coil is arranged at the upper part of the reaction kettle.

Further, the outer side of the jacket is also provided with a support and a vent.

Further, the defoaming stirring paddle is a disc type turbine stirring paddle, and the stirring paddle is a straight blade stirring paddle.

The first object of the present invention is to provide: the method for preparing the water-soluble rosin resin by using the equipment comprises the following steps:

(1) introducing nitrogen from the auxiliary material feeding pipe, evacuating the air in the reaction kettle, adding the rosin into the reaction kettle from the feeding hole, adding ethanol from the auxiliary material feeding hole, opening the stirrer, introducing heat-conducting oil from the heat-conducting oil inlet in a stirring state, heating to 140-;

(2) after the rosin is dissolved, introducing a catalyst consisting of metalloporphyrin and boron oxide from an auxiliary material inlet, introducing fumaric acid from the auxiliary material inlet of the reaction kettle, continuously stirring, controlling the reaction temperature to be 80-100 ℃, reacting for 60-80min, and filtering to remove the catalyst to obtain fumaric acid modified rosin;

(3) pentaerythritol is added from an auxiliary material inlet, a catalyst consisting of metalloporphyrin and boron oxide is added, the reaction temperature is controlled to be 180-220 ℃, and the esterification reaction lasts for 1-2 hours;

(4) adding a surfactant from an auxiliary material inlet under the stirring state, wherein the surfactant consists of sodium cocoamidoalkyl sulfate and isooctanol polyoxyethylene ether phosphate, preserving the temperature at 80-100 ℃ for 20-30min, cooling to room temperature, and discharging from a material outlet to obtain the water-soluble rosin resin.

Further, the weight ratio of the rosin to the ethanol in the step (1) is 100:15-30 parts.

Further, the adding amount of the catalyst in the steps (2) and (3) is 0.5-1.5% of the weight of the rosin.

Further, the metalloporphyrin is tetrakis (pentafluorophenyl) iron porphyrin and/or tetrakis (pentafluorophenyl) cobalt porphyrin.

Further, the weight ratio of the metalloporphyrin to the boron oxide is 1: 1-3.

Further, the addition amount of the fumaric acid is 6-10% of the weight of the rosin, and the addition amount of the pentaerythritol is 10-15% of the weight of the rosin. .

Further, the addition amount of the surfactant is 1-3% of the weight of the rosin.

Compared with the prior art, the invention has the advantages and beneficial effects that:

1. the processing equipment provided by the invention combines coil heating and jacket heating, the materials are uniformly heated, the reaction is more stable, stirring paddles in various forms are designed to physically defoam the reaction materials, the operation is simplified, the production cost is reduced, and the reaction rate is accelerated; the equipment also has the advantages of simple structure, low energy consumption, low cost and the like, and is easy to realize industrialized popularization

2. The catalyst adopted in the preparation of the water-soluble rosin resin has porous large specific surface area and high catalytic efficiency.

3. In the invention, the surfactant consisting of sodium cocoamidoalkanol sulfate and isooctanol polyoxyethylene ether phosphate is added in the preparation of the rosin, so that the rosin has good hydrophilic performance and the application range of the rosin is expanded.

4. The rosin resin produced by the invention has the advantages of good water solubility and stability, large viscosity, high hardness, good water resistance, environmental protection, no odor, transparency and the like, and each index is excellent.

Drawings

FIG. 1 is a schematic structural view of a water-soluble rosin resin processing apparatus according to the present invention.

Reference numerals: 1-a reaction kettle, 2-a heat-conducting oil inlet, 3-a material outlet, 4-a jacket inlet, 5-a propeller, 6-a jacket, 7-an inner wall, 8-a stirring paddle, 9-a support, 10-a defoaming stirring paddle, 11-a vent, 12-an auxiliary material feeding pipe, 13-a manhole, 14-a stirrer, 15-a feeding port skin, 16-an auxiliary material feeding port, 17-a heat-conducting oil outlet, 18-a jacket outlet and 19-a heating coil.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The present invention will be described in further detail with reference to specific embodiments. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.