CN206783575U - A kind of booster-type SBS latex preparation facilities - Google Patents

Abstract

A pressurized SBS latex preparation device, including a heating device for heating the reaction vessel, a shearing machine for stirring the materials in the reaction vessel is arranged above the reaction vessel, a water bath is arranged on the heating device, and the reaction The container is placed in the water bath; one side of the reaction container is provided with a feeder connected with the reaction container and used to contain the SBS solution, the feeder is connected with the pressure control device, and the bottom opening of the feeder is connected with the reaction container. The utility model overcomes the uneasy control of sample addition uniformity, the inaccuracy of the test technology and the manpower consumption in the existing SBS latex preparation experiment process. The internal pressure of the feeding system is controlled by the pressure regulating device to provide a stable force and stabilize the feeding rate, which not only improves the accuracy of the preparation, but also reduces the working intensity of the laboratory staff, improves the work efficiency, and realizes semi-automation.

Description

A pressurized SBS latex preparation device

technical field

The utility model relates to an SBS latex preparation device, in particular to a pressurized SBS latex preparation device.

Background technique

When preparing SBS latex, the stability of the feed rate of SBS solution has a great influence on the performance of SBS latex. However, due to the high viscosity of the SBS solution, it is extremely difficult to finely control the addition process. The traditional feeding methods mainly include manual feeding, funnel feeding and syringe feeding, etc., but there are disadvantages such as difficult control of the feeding rate, the need for testers to operate the whole process, heavy experimental workload, and large human errors, which lead to the performance of the prepared SBS latex. bad.

Utility model content

In order to overcome the problems that the uniformity of sample addition is not easy to control, the inaccuracy of the test technology and the problems of manpower consumption in the existing SBS latex preparation experiment process, the purpose of this utility model is to provide a pressurized SBS latex preparation device, which can accurately Accurately control the emulsification process to obtain stable and uniform SBS latex.

In order to achieve the above object, the utility model adopts the following technical solutions:

A pressurized SBS latex preparation device, including a heating device for heating the reaction vessel, a shearing machine for stirring the materials in the reaction vessel is arranged above the reaction vessel, a water bath is arranged on the heating device, and the reaction The container is placed in the water bath; one side of the reaction container is provided with a feeder connected with the reaction container and used to hold the SBS solution, the feeder is connected with the pressure control device, and the bottom opening of the feeder is connected with the reaction container.

A further improvement of the utility model is that the reaction vessel is fixed by a fixing clip.

The further improvement of the utility model is that the pressurization control device includes an air guide tube, a pressure regulating valve and an air compressor, the top opening of the reaction vessel is connected with the air compressor through the air guide tube, and the air guide tube is provided with a pressure regulating valve.

The further improvement of the utility model is that a throttling valve is arranged at the bottom of the feeder.

The further improvement of the utility model is that the feeder includes a pear-shaped cavity, the upper part of the pear-shaped cavity is provided with a feeding section (5-2), the lower part of the pear-shaped cavity is provided with a discharge section, the feeding section, the pear-shaped cavity and The discharge sections are connected to each other, the pressure regulating valve is set in the feed section, and the throttle valve is set in the discharge section.

The further improvement of the utility model is that the feeding section is an open type, including upper and lower parts, the upper part is a gradual expansion section, the inner diameter of the top is 25mm, the height of the gradual expansion section is 40mm, the lower part is a cylindrical section, and the inner diameter of the lower part is 22.3mm , the height of the cylindrical section is 30mm; the pear-shaped cavity includes an upper hemispherical shape and a lower circular platform, and the inner diameter of the hemispherical shape is 41.75mm, and the height of the circular platform is 65mm; the discharge section is a hollow cylinder, and the height of the discharge section is It is 72mm and the inner diameter is 7mm.

The further improvement of the utility model is that the wall thickness of the feeding section is 7mm, the wall thickness of the pear-shaped cavity is 1.25mm, and the wall thickness of the discharging section is 2.5mm.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model is provided with a feeder containing the SBS solution, and the feeder is connected with a booster control device, and the pressure in the feeder is controlled by the booster control device, so that the SBS solution flows into the reaction container. Control the internal pressure of the feeding system, provide stable force, and stabilize the feeding rate, which not only improves the accuracy of preparation, but also reduces the work intensity of laboratory staff, improves work efficiency, and realizes semi-automation. Process stability, saving human resources and other advantages.

Further, an air compressor is used for supercharging, which is easy to realize;

Further, the internal pressure of the feeding container is precisely controlled by the pressure gauge of the pressure regulating valve to ensure uniform feeding rate;

Further, the reaction vessel is less affected by the feeder, which facilitates other operations on the reaction vessel.

Further, the use of the feeder in the utility model facilitates the addition of the SBS solution with a viscosity of 8000CP into the feeder, and the addition speed can be controlled.

Description of drawings

Fig. 1 is the structural representation of the utility model pressurized type SBS latex preparation device

Figure 2 is a schematic diagram of the structure of the feeder

In the figure, 1 is a heating device, 2 is a reaction vessel, 3 is a shearing machine, 4 is a fixing clip, 5 is a water bath, 6 is a feeder, 7 is an air compressor, 8 is an air guide tube, and 9 is a pressure regulating valve , 10 is a throttle valve.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

Referring to Fig. 1, the utility model comprises the heating device 1 that is used for heating reaction vessel 2, is provided with the shearing machine 3 that is used for stirring the material in reaction vessel 2 above reaction vessel 2, and reaction vessel 2 is passed through fixing clip 4 For fixing, a water bath 5 is arranged on the heating device, and the reaction vessel 2 is placed in the water bath 5 . One side of the reaction vessel 2 is provided with a feeder 6 communicating with the reaction vessel 2. The feeder 6 is filled with liquid medicine, and the feeder 6 is connected with a booster control device. The booster control device includes an air guide tube 8 and a pressure regulating valve 9. And air compressor 7; Concretely, feeder 6 top openings are connected with air compressor 7 by air duct 8, and feeder 6 tops are provided with pressure regulating valve 9, feeder 6 bottoms are communicated with reaction vessel 2, and A throttling valve 10 is provided at the bottom of the feeder 6 .

In the utility model, the reaction vessel 2 is placed in a constant temperature water bath, the reaction temperature can be stably controlled, and can be operated with an open mouth.

Referring to Fig. 2, the feeder 6 pear-shaped cavity 5-1 in the utility model, the upper part of the pear-shaped cavity is provided with a feeding section 5-2, the lower part of the pear-shaped cavity is provided with a discharge section 5-3, and the feeding section 5- 2. The pear-shaped cavity 5-1 and the discharge section 5-3 are connected to each other, the pressure regulating valve 9 is set in the feed section 5-2, and the throttle valve 10 is set in the discharge section 5-3.

The feeding section 5-2 includes upper and lower parts, the top inner diameter is 25mm, the lower part is cylindrical, and the lower inner diameter is 25mm, the lower inner diameter is 22.3mm, the height of the expanding section is 40mm, and the height of the cylindrical section is 30mm.

The pear-shaped cavity 5-1 includes an upper hemispherical shape and a lower circular frustum, and the inner diameter of the hemispherical shape is 41.75 mm, and the height of the circular frustum is 65 mm.

The discharge section 5-3 is a hollow cylinder, the height of the discharge section 5-3 is 72mm, and the inner diameter is 7mm.

When preparing SBS latex, the SBS solution is added to the feeder 6, and the internal pressure of the feeding system is controlled by the pressure regulating valve 9 to provide a stable force and stabilize the feeding rate, which not only improves the accuracy of the preparation, but also reduces the laboratory pressure. The work intensity of the staff is improved, the work efficiency is improved, and semi-automation is realized.

The utility model is suitable for liquid samples whose viscosity is not greater than 8000CP, and should have good airtightness at the same time.

Claims (7)

1. a kind of booster-type SBS latex preparation facilities, it is characterised in that including adding for what is heated to reaction vessel (2) Thermal (1), reaction vessel (2) top are provided with the cutter (3) for being stirred to the material in reaction vessel (2), Water-bath (5) is provided with heater, reaction vessel (2) is placed in water-bath (5)；The side of reaction vessel (2) is set There are the feeder (6) for being connected with reaction vessel (2) and being used to contain SBS solution, feeder (6) and Pressure elation Control Unit phase Even, feeder (6) bottom opening is connected with reaction vessel (2).

2. a kind of booster-type SBS latex preparation facilities according to claim 1, it is characterised in that reaction vessel (2) passes through Geometrical clamp (4) is fixed.

A kind of 3. booster-type SBS latex preparation facilities according to claim 1, it is characterised in that Pressure elation Control Unit bag Airway tube (8), pressure regulator valve (9) and air compressor (7) are included, the open top of reaction vessel (2) and air compressor (7) are logical Cross airway tube (8) to be connected, and pressure regulator valve (9) is provided with airway tube (8).

4. a kind of booster-type SBS latex preparation facilities according to claim 1, it is characterised in that feeder (6) bottom is set It is equipped with choke valve (10).

5. a kind of booster-type SBS latex preparation facilities according to claim 1, it is characterised in that feeder (6) includes pears Shape cavity (5-1), pyriform cavity top are provided with feeding section (5-2), and pyriform cavity bottom is provided with discharge zone (5-3), charging Section (5-2), pyriform cavity (5-1) and discharge zone (5-3) are interconnected, and pressure regulator valve (9) is arranged on feeding section (5-2), throttling Valve (10) is arranged on discharge zone (5-3).

6. a kind of booster-type SBS latex preparation facilities according to claim 5, it is characterised in that feeding section (5-2) is spacious The shape of the mouth as one speaks, including upper and lower two parts, top are divergent segment, and top internal diameter is 25mm, and the height of divergent segment is 40mm, and bottom is cylinder Section, and lower inner diameter is 22.3mm, and the height of cylindrical section is 30mm；The hemispherical of pyriform cavity (5-1) including top and The round platform of bottom, and hemispheric internal diameter is 41.75mm, and the height of round platform is 65mm；Discharge zone (5-3) is hollow cylinder Shape, the height of discharge zone (5-3) is 72mm, internal diameter 7mm.

A kind of 7. booster-type SBS latex preparation facilities according to claim 5 or 6, it is characterised in that feeding section (5-2) Wall thickness be 7mm, the wall thickness of pyriform cavity (5-1) is 1.25mm, and the wall thickness of discharge zone (5-3) is 2.5mm.