CN212819829U - Energy-efficient rubber dispersion dissolving device - Google Patents

Abstract

The utility model relates to a chemical machinery equipment field, in particular to energy-efficient rubber dispersion dissolving device, be in including support frame and setting reation kettle on the support frame is equipped with agitating unit and glue piece among the reation kettle and tears the device, and circulating line intercommunication is passed through to reation kettle's top and bottom, is equipped with the circulating pump on the circulating line, is equipped with the pressure weighing device between reation kettle's upper portion and the support frame. Compared with the prior art, the utility model has high automation degree, saves the glue cutting process before dissolution, can directly put the glue blocks into the reaction kettle, avoids the danger of glue cutting operation and reduces pollution; the device is torn through agitating unit, the gluey piece, and the cooperation of base oil heater and circulating line is used, has shortened the sol time greatly, realizes the quick dispersion of polymer rubber in the base oil, dissolves, also can be used to the modulation of the lubricating oil, the coating that require to disperse the homogeneity.

Description

Energy-efficient rubber dispersion dissolving device

Technical Field

The utility model relates to a chemical machinery equipment field, in particular to energy-efficient rubber dispersion dissolving device.

Background

A viscosity increasing agent, also known as a viscosity index improver, for lubricating oils is an oil-soluble high-molecular polymer having a relative molecular mass of from several tens of thousands to several hundreds of thousands, and generally in the form of rubber or solid at room temperature. For ease of use, concentrates are typically diluted to 5% to 12% with neutral oils of 150SN or 100 SN. When the lubricating oil is produced traditionally, macromolecular rubber is dispersed and dissolved in base oil, the base oil is required to be added into a mixing kettle, the mixing kettle is heated to keep a certain temperature, tackifier dry glue is cut up, the cut dry glue is manually added into the mixing kettle, stirring and mixing are uniformly carried out, the time is generally 10-30 hours, even if the time is long, the macromolecular binder rubber is easy to float on the oil surface or adhere to the wall of the lubricating oil and the tackifier during the mixing of the lubricating oil and the tackifier in the mixing kettle, the mixed concentrated solution of the binder is not uniform, the dry glue containing macromolecular chains cannot be fully mixed into the lubricating oil, the lubricating oil produced by the concentrate is easy to delaminate when in use, the viscosity of the oil is reduced due to friction heating, the dry glue is easy to separate out, the dry glue can further reduce the viscosity of the oil due to separation, and vicious cycle is carried out, seriously affecting the lubricating performance of the oil and even leading to complete failure of the lubricating oil. Meanwhile, the efficiency of simple constant-temperature stirring is low, the stirring speed is slow, or the heat preservation is insufficient, and the sol time is long, so that the production efficiency of the lubricating oil is not favorable. In addition, when the rubber block is manually or simply and mechanically cut, the operation safety is poor, the speed is low, and the pollution is serious.

SUMMERY OF THE UTILITY MODEL

Based on above technical problem, the utility model provides a potential safety hazard is little, and convenient operation's energy-efficient rubber dispersion dissolving device.

The utility model adopts the technical scheme as follows:

the utility model provides an energy-efficient rubber dispersion dissolving device, the key lies in: including support frame and setting be in reation kettle on the support frame, be equipped with agitating unit and glue the piece among the reation kettle and tear the device, circulating line intercommunication is passed through to reation kettle's top and bottom, be equipped with the circulating pump on the circulating line, reation kettle's upper portion with be equipped with pressure weighing device between the support frame.

Preferably, the circulation pipeline is responsible for, sol output tube and base oil input tube including the circulation of intercommunication, the circulation is responsible for, all is equipped with the valve on sol output tube and the base oil input tube, the input and the output that the circulation was responsible for respectively with reation kettle's bottom and top intercommunication, the circulating pump sets up the circulation is responsible for, the sol output tube is close to the output setting of circulating pump, the base oil input tube is close to the input setting of circulating pump. The effect of this scheme is that can realize the concentrated solution of rubber liquid circulation flow in reation kettle to in time supply the base oil of dissolving in the circulation process, promote the dispersion of rubber in the base oil and dissolve.

Preferably, agitating unit includes the (mixing) shaft of vertical setting, is equipped with a plurality of stirring rakes on this (mixing) shaft, and is a plurality of the size of stirring rake reduces from last to down in proper order, wear out the upper end of (mixing) shaft reation kettle is connected with inverter motor. The effect of this scheme is that can further improve the stirring effect through the stirring rake of equidimension not.

Preferably, the stirring paddle comprises a stirring disk fixedly sleeved on the stirring shaft and at least three stirring blades, and the stirring blades are uniformly arranged on the circumferential surface of the stirring disk. The effect of this scheme can make the stirring more abundant, improves stirring efficiency.

Preferably, the rubber block tearing device is two, the rubber block tearing device is symmetrically arranged on two sides of the stirring shaft, the rubber block tearing device comprises a driving motor arranged at the bottom of the reaction kettle, and an output shaft of the driving motor extends into the reaction kettle and is connected with a dispersion disc. The effect of this scheme is that the upper and lower sawtooth of dispersion impeller can carry out high-speed shearing, striking, crushing, dispersion with great colloid to reach the state of rapid mixing, dissolving, dispersion, refining.

Preferably, the pressure weighing device comprises a plurality of pressure sensors, the tops of the pressure sensors are fixedly connected with the outer wall of the reaction kettle through mounting seats, and the bottoms of the pressure sensors are abutted against the supporting frame. The effect of this scheme is that the addition of rubber colloid and the addition of base oil in can accurate control reation kettle.

Preferably, the circulating main pipe is further provided with a homogenizing mixer, the homogenizing mixer comprises a pipe body, the pipe body is fixedly connected with the circulating main pipe through a flange, the pipe body is internally provided with a plurality of first mixing units and second mixing units, and the first mixing units and the second mixing units are arranged at intervals along the flowing direction of the liquid. The effect of this scheme is that can be to the further homogeneity of the rubber concentrate of circulation flow mix, improve dissolving efficiency.

Preferably, the input end of the base oil input pipe is connected with a base oil heater. The effect of this scheme is to provide the base oil at the required temperature, reducing the sol time.

Preferably, the top of the reaction kettle is provided with a feed inlet. The scheme is convenient for feeding.

Compared with the prior art, the high-efficiency energy-saving rubber dispersing and dissolving device provided by the utility model has high automation degree, saves the rubber cutting process before dissolving, can directly put rubber blocks into the reaction kettle, avoids the danger of rubber cutting operation and reduces pollution; tear the device through agitating unit, gluey piece, the cooperation of base oil heater and circulating line is used, has shortened the sol time greatly, just can obtain complete homogeneous rubber concentrate generally 3 hours, and the production efficiency who avoids simple constant temperature stirring is low, and rubber easily adheres at the wall, above the heating coil, leads to the inhomogeneous problem of harmonious rubber concentrate, the utility model discloses realize the fast dispersion of polymer rubber in the base oil, dissolve, also can be used for requiring the modulation of the lubricating oil of dispersion homogeneity, coating.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic structural view of the stirring paddle.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-3, a high-efficiency energy-saving rubber dispersing and dissolving device comprises a support frame 1 and a reaction kettle 2 arranged on the support frame 1, wherein a stirring shaft 31 is vertically arranged in the reaction kettle 2, a plurality of stirring paddles 32 are arranged on the stirring shaft 31, the stirring paddles 32 comprise a stirring disc 321 fixedly sleeved on the stirring shaft 31 and at least three stirring blades 322, the plurality of stirring blades 322 are uniformly arranged on the circumferential surface of the stirring disc 321, the sizes of the plurality of stirring paddles 32 are sequentially reduced from top to bottom, the upper end of the stirring shaft 31 penetrates out of the reaction kettle 2 and is connected with a variable frequency motor 33, the bottom of the reaction kettle 2 is just provided with two driving motors 41, the output shaft of the driving motor 41 extends into the reaction kettle 2 and is connected with a dispersing disc 42, the two dispersing discs 42 are symmetrically arranged on two sides of the stirring shaft 31, a plurality of pressure sensors 71 are uniformly arranged around the upper part of the reaction kettle 2, the top of the pressure sensor 71 is fixedly connected with the outer wall of the reaction kettle 2 through a mounting seat 72, the bottom of the pressure sensor 71 is tightly abutted to the support frame 1, the top and the bottom of the reaction kettle 2 are communicated through a circulating main pipe 51, a circulating pump 6 and a homogenizing mixer 8 are arranged on the circulating main pipe 51, the circulating main pipe 51 is communicated with a sol output pipe 52 and a base oil input pipe 53, valves 10 are arranged on the circulating main pipe 51, the sol output pipe 52 and the base oil input pipe 53, the sol output pipe 52 is arranged close to the output end of the circulating pump 6, the base oil input pipe 53 is arranged close to the input end of the circulating pump 6, and the input end of the base oil input pipe 53 is connected with a base oil heater 9;

the homogeneous mixer 8 comprises a pipe body 81, the pipe body 81 is fixedly connected with the circulating main pipe 51 through a flange, a plurality of first mixing units 82 and second mixing units 83 are arranged in the pipe body 81, the first mixing units 82 and the second mixing units 83 are arranged at intervals along the length direction of the pipe body, the first mixing units 82 are metal frames which are arranged in a crossed mode, and the second mixing units 83 are multi-fold metal plates which are arranged in a parallel mode.

When the rubber block dissolving device is used, rubber blocks needing dissolving are added into the reaction kettle 2 through the feed inlet, base oil with one third of total base oil is pumped, the temperature of the base oil is not lower than 130 ℃, the stirring device 3 and the rubber block tearing device 4 are started simultaneously, after stirring is carried out for 30 minutes, the rest base oil is continuously pumped, the temperature of the base oil is not lower than 130 ℃, the stirring kettle is sealed, the rubber tearing device is stopped, the circulating pump 6 is started, the corresponding valve 10 is opened, stirring is carried out for 2 hours in a constant temperature circulating mode, the stirring device 3 is stopped, and heat preservation storage is carried out or homogeneous rubber concentrated solution is pumped into a storage tank through the sol output pipe.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims (9)

1. The utility model provides an energy-efficient rubber dispersion dissolving device which characterized in that: including support frame (1) and setting be in reation kettle (2) on support frame (1), be equipped with agitating unit (3) in reation kettle (2) and glue piece tearing device (4), circulation pipeline (5) intercommunication is passed through to the top and the bottom of reation kettle (2), be equipped with circulating pump (6) on circulation pipeline (5), the upper portion of reation kettle (2) with be equipped with pressure weighing device (7) between support frame (1).

2. The efficient and energy-saving rubber dispersing and dissolving device as claimed in claim 1, wherein: circulation pipeline (5) are responsible for (51), sol output tube (52) and base oil input tube (53) including the circulation of intercommunication, the circulation is responsible for all to be equipped with valve (10) on (51), sol output tube (52) and the base oil input tube (53), the circulation be responsible for the input and the output of (51) respectively with the bottom and the top intercommunication of reation kettle (2), circulating pump (6) set up the circulation is responsible for on (51), sol output tube (52) are close to the output setting of circulating pump (6), base oil input tube (53) are close to the input setting of circulating pump (6).

3. The efficient and energy-saving rubber dispersing and dissolving device as claimed in claim 1, wherein: agitating unit (3) are equipped with a plurality of stirring rakes (32), a plurality of on this (mixing) shaft (31) including (mixing) shaft (31) of vertical setting the size of stirring rake (32) reduces from last to lower in proper order, wear out the upper end of (mixing) shaft (31) reation kettle (2) are connected with inverter motor (33).

4. The energy-efficient rubber dispersing and dissolving device as claimed in claim 3, wherein: the stirring paddle (32) comprises a stirring disk (321) and at least three stirring blades (322) which are fixedly sleeved on the stirring shaft (31), and the stirring blades (322) are uniformly arranged on the circumferential surface of the stirring disk (321).

5. The energy-efficient rubber dispersing and dissolving device as claimed in claim 3, wherein: glue piece and tear device (4) and be two, two glue piece and tear device (4) symmetry and set up the both sides of (mixing) shaft (31), glue piece and tear device (4) including setting up driving motor (41) of reation kettle (2) bottom, the output shaft of driving motor (41) stretches into reation kettle (2) are connected with dispersion impeller (42).

6. The efficient and energy-saving rubber dispersing and dissolving device as claimed in claim 1, wherein: the pressure weighing device (7) comprises a plurality of pressure sensors (71), the tops of the pressure sensors (71) are fixedly connected with the outer wall of the reaction kettle (2) through mounting seats (72), and the bottoms of the pressure sensors (71) are tightly abutted to the support frame (1).

7. The energy-efficient rubber dispersing and dissolving device as claimed in claim 2, wherein: the circulating main pipe (51) is further provided with a homogenizing mixer (8), the homogenizing mixer (8) comprises a pipe body (81), the pipe body (81) is fixedly connected with the circulating main pipe (51) through a flange, a plurality of first mixing units (82) and second mixing units (83) are arranged in the pipe body (81), and the first mixing units (82) and the second mixing units (83) are arranged at intervals along the length direction of the pipe body.

8. The energy-efficient rubber dispersing and dissolving device as claimed in claim 2, wherein: the input end of the base oil input pipe (53) is connected with a base oil heater (9).

9. The energy-efficient rubber dispersing and dissolving device as claimed in claim 2, wherein: the top of the reaction kettle (2) is provided with a feed inlet.

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