CN211462986U

CN211462986U - Kneading machine

Info

Publication number: CN211462986U
Application number: CN201922179765.7U
Authority: CN
Inventors: 张树钧; 张荔
Original assignee: Hebei Rainbow Pigment Chemical Co ltd
Current assignee: Hebei Rainbow Pigment Chemical Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-09-11
Anticipated expiration: 2029-12-09

Abstract

A kneading machine comprises a kneading machine body and a steam generator, wherein the kneading machine body is communicated with the steam generator through a pipeline; the kneader body comprises a grinding kettle, the grinding kettle comprises a kettle body and a stirring paddle, the cross section of the kettle body is omega, the kettle body is of a jacket structure formed by welding two layers of steel plates, and the bottom of the kettle body is provided with two semi-cylindrical inner cavities; one end of the pipeline is connected with the jacket, and steam is introduced into the jacket to carry out heat treatment on materials in the cylinder; the omega shape enlarges the shearing area between the stirring paddle and the omega shape and increases the effective volume of the pot body; the stirring paddles are two in number, the two stirring paddles are horizontally arranged in parallel, rotate in opposite directions during working and rotate at different speeds, and the paddles are unfolded according to an Archimedes spiral line. The section shape of the pot body is omega, the shearing area between the stirring paddle and the pot body is effectively increased, and the effective volume of the pot body is increased.

Description

Kneading machine

Technical Field

The utility model relates to a chemical machinery equipment, especially a kneading machine that is used for chemical industry raw and other materials to grind.

Background

The existing kneader's grinding kettle all adopts "W" type pot body structure, though the pot body simple structure, the pot body effective volume is less, and the shearing area between stirring oar and the pot body is less, so can not better performance mixing effect. In addition, in order to make the materials in the pot body move better, the outer surface of the stirring paddle and the inner surface of the pot body are mostly smooth surfaces, so that the friction force between the stirring paddle and the materials is lost, and the friction effect is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model provides a kneading machine for overcoming the defects of the prior art, which adopts an omega-shaped pan body, effectively increases the effective volume of the pan body, and increases the shearing area between the stirring paddle and the pan body; and the inner surface of the pot body and the outer surface of the stirring paddle are frosted surfaces, so that the friction coefficient between the stirring paddle and the pot body and materials is effectively increased.

The utility model provides a technical scheme that its technical problem adopted is:

a kneading machine comprises a kneading machine body and a steam generator, wherein the kneading machine body is communicated with the steam generator through a pipeline; the kneader body comprises a grinding kettle, the grinding kettle comprises a kettle body and a stirring paddle, the cross section of the kettle body is omega, the kettle body is of a jacket structure formed by welding two layers of steel plates, and the bottom of the kettle body is provided with two semi-cylindrical inner cavities; one end of the pipeline is connected with the jacket, and steam is introduced into the jacket to carry out heat treatment on materials in the cylinder; the omega shape enlarges the shearing area between the stirring paddle and the omega shape and increases the effective volume of the pot body; the number of the stirring paddles is two, the two stirring paddles are horizontally arranged in parallel, rotate in opposite directions during working and have different rotating speeds, and the paddles are unfolded according to an Archimedes spiral line; the stirring paddle is superposed with the arc central axis of the pot body, and the arc angle of the pot body is 90-270 degrees.

According to the kneader, the inner surface of the pot body and the outer surface of the stirring paddle are frosted surfaces, so that the friction coefficient of materials in the pot body is increased.

In the kneader, the kneader is additionally provided with the automatic constant temperature control valve which is arranged between the kneader body and the steam generator, and the kneader body, the steam generator and the automatic constant temperature control valve are communicated into a whole through the pipeline.

The kneading machine further comprises an electric control cabinet, and the electric control cabinet is independently arranged outside the kneading machine body.

In the kneader, the jacket is internally provided with a plurality of heat absorbing sheets for increasing the heat absorbing capacity of the pot body.

In the kneading machine, a heat dissipation coil is arranged in the jacket and penetrates through the heat absorbing sheets.

Above-mentioned kneader, the outer surface of pot body cladding has 10mm ~50 mm's heat preservation.

The utility model has the advantages that:

the utility model relates to a kneading machine, which comprises a kneading machine body and a steam generator, wherein the kneading machine body and the steam generator are communicated through a pipeline; the kneader body comprises a grinding kettle, the grinding kettle comprises a kettle body and a stirring paddle, the cross section of the kettle body is omega, the shearing area between the stirring paddle and the kettle body is effectively increased, and the effective volume of the kettle body is increased; the inner surface of the pot body and the outer surface of the stirring paddle are frosted surfaces, so that the friction coefficient of materials in the pot body is increased; the utility model adopts a steam heating mode, which has the advantages of fast heating, stable heating efficiency and small temperature difference compared with the traditional electric conduction hot oil heating; the utility model discloses automatically controlled cabinet adopts independent installation form, and it is safer to arrange the mode under mediating the rack in than current circuit board, has avoided when cleaning equipment, has water or solution to permeate the circuit of corroding on the circuit board or cause the circuit short circuit.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A;

FIG. 3 is a schematic sectional view taken along line B- -B;

FIG. 4 is a schematic cross-sectional view of a prior art grinding kettle;

FIG. 5 is a schematic view of an insulating layer on the outer surface of a grinding kettle;

fig. 6 is a schematic view of the paddle structure.

In the drawings, the reference numerals denote: 1. a kneader body; 2. a steam generator; 2-1, a liquid level meter; 2-2, a safety valve; 3. an automatic thermostatic control valve; 4. a pipeline; 4-1, a water inlet pipe; 5. an electric control cabinet; 6. grinding the kettle; 6-1, a pot body; 6-2, stirring paddles; 6-3, heat absorbing sheets; 6-4, a heat dissipation coil pipe; 6-5, a heat-insulating layer; 7. a rotating wheel; 8. a motor; 9. and a speed reducer.

Detailed Description

The present invention will be further described with reference to the following examples.

Referring to fig. 1, the present invention relates to a kneading machine, which comprises a kneading machine body 1 and a steam generator 2, wherein the kneading machine body 1 and the steam generator 2 are communicated through a pipeline 4; the steam generator 2 is supplied with water through a water inlet pipe 4-1, a liquid level meter 2-1 is arranged on the outer wall of the steam generator 2 and used for observing the internal water level, a safety valve 2-2 is arranged at the top of the steam generator 2, and when the steam pressure in the steam generator 2 is too high, the safety valve 2-2 is opened to release the gas so as to play a role in reducing the pressure. The safety valve 2-2 is connected with a waste water pipe to prevent the discharged water vapor from polluting the surrounding environment.

Referring to fig. 1 and 2, the kneader body 1 comprises a grinding kettle 6, the grinding kettle 6 comprises a pan body 6-1 and a stirring paddle 6-2, the cross section of the pan body 6-1 is omega, the pan body is of a jacket structure formed by welding two layers of steel plates, and the bottom of the pan body is provided with two semi-cylindrical inner cavities; one end of the pipeline 4 is connected with the jacket, and steam is introduced into the jacket to carry out heat treatment on materials in the cylinder; referring to fig. 4, in the prior art, the cross section of the pot body is W, the shape of omega of the pot body 6-1 of the utility model increases the shearing area between the stirring paddle 6-2, increases the shearing area by about 30%, and increases the effective volume of the pot body 6-1; the number of the stirring paddles 6-2 is two, the two stirring paddles 6-2 are horizontally arranged in parallel, rotate in opposite directions during working and have different rotating speeds, and referring to fig. 2 and 6, the stirring paddles 6-2 are unfolded according to an Archimedes spiral line; referring to fig. 2, the stirring paddle 6-2 is superposed with the central axis of the circular arc of the pot body 6-1, and the angle alpha of the circular arc of the pot body 6-1 is 90-270 degrees. The inner surface of the pot body 6-1 and the outer surface of the stirring paddle 6-2 are frosted surfaces, so that the friction coefficient of materials in the pot body 6-1 is increased.

Referring to fig. 1, the power source of the grinding kettle 6 is a motor 8, and the motor 8 is connected with the grinding kettle 6 through a speed reducer 9; the kneader still includes automatically controlled cabinet 5, automatically controlled cabinet 5 sets up alone outside kneading machine body 1, automatically controlled cabinet 5 further controls the operating condition of grinding cauldron through controlling corotation, reversal and the rotational speed of motor 8, automatically controlled cabinet 5 sets up outside kneading machine body 1, is more favorable to safe operation, and is safer than the mode that present circuit board was placed in kneading the rack under, has avoided when cleaning equipment, has water or solution to permeate the circuit of corroding on the circuit board or cause the circuit short circuit.

Referring to fig. 1, the material pouring operation of the grinding kettle 6 is completed by means of the rotating wheel 7, the rotating wheel 7 rotates clockwise, the grinding kettle 6 performs the material discharging operation, the rotating wheel 7 rotates counterclockwise, and the grinding kettle 6 completes the reset operation. The discharging and resetting work of the grinding kettle 6 is powered by a hydraulic oil cylinder, belongs to the prior art and does not need to be described in a tired way.

Referring to fig. 1, the kneader is additionally provided with an automatic thermostatic control valve 3 which is arranged between the kneader body 1 and the steam generator 2, and the pipeline 4 connects the kneader body 1, the steam generator 2 and the automatic thermostatic control valve 3 into a whole.

Referring to fig. 1, the kneader body 1, the automatic thermostatic control valve 3, the rotating wheel 7, the motor 8 and the speed reducer 9 are all installed on a workbench, and the kneader body 1 is fixedly installed on the workbench through a support.

Referring to fig. 2 and 3, a plurality of heat absorbing sheets 6-3 are arranged in the jacket, and the heat absorbing capacity of the pot body 6-1 is increased through the heat conduction effect of the heat absorbing sheets 6-3. The grinding kettle is characterized in that a heat dissipation coil 6-4 is arranged in the jacket, the heat dissipation coil 6-4 penetrates through the heat absorbing sheet 6-3, one end of the pipeline 4 is connected with the jacket through the heat dissipation coil 6-3, and the arrangement of the heat dissipation coil 6-4 increases the stroke of steam in the grinding kettle 6, so that the heat treatment effect is facilitated. And discharging the condensed water after heat treatment along the condensation pipe.

Referring to fig. 5, the outer surface of the pot body 6-1 is coated with a heat preservation layer 6-5 with the thickness of 10mm to 50mm, the heat preservation layer is preferably made of ceramic wool, rock wool, pearl wool, cotton and other materials with heat preservation and heat insulation effects, or a multi-layer vacuum heat insulation design can be adopted, and the pot body is mainly used for isolating the ambient temperature and reducing the heat loss of steam.

Claims

1. A kneader comprises a kneader body (1) and a steam generator (2), wherein the kneader body (1) and the steam generator (2) are communicated through a pipeline (4); the method is characterized in that: the kneader body (1) comprises a grinding kettle (6), the grinding kettle (6) comprises a pot body (6-1) and a stirring paddle (6-2), the cross section of the pot body (6-1) is omega, the pot body is of a jacket structure formed by welding two layers of steel plates, and the bottom of the pot body is provided with two semi-cylindrical inner cavities; one end of the pipeline (4) is connected with the jacket, and steam is introduced into the jacket to carry out heat treatment on materials in the cylinder; the omega shape enlarges the shearing area between the omega shape and the stirring paddle (6-2), and increases the effective volume of the pan body; the number of the stirring paddles (6-2) is two, the two stirring paddles (6-2) are horizontally arranged in parallel, rotate in opposite directions during working and have different rotating speeds, and the paddles are unfolded according to an Archimedes spiral line; the stirring paddle (6-2) is superposed with the arc central axis of the pot body (6-1), and the arc angle of the pot body (6-1) is 90-270 degrees.

2. The kneader according to claim 1, characterized in that: the inner surface of the pot body (6-1) and the outer surface of the stirring paddle (6-2) are frosted surfaces, so that the friction coefficient of materials in the pot body (6-1) is increased.

3. The kneader according to claim 2, characterized in that: the kneader is additionally provided with an automatic constant temperature control valve (3) which is arranged between the kneader body (1) and the steam generator (2), and the kneader body (1), the steam generator (2) and the automatic constant temperature control valve (3) are communicated into a whole through a pipeline (4).

4. The kneader according to claim 3, characterized in that: the kneader also comprises an electric control cabinet (5), and the electric control cabinet (5) is independently arranged outside the kneader body (1).

5. The kneader according to claim 4, characterized in that: a plurality of heat absorbing sheets (6-3) are arranged in the jacket and used for increasing the heat absorbing capacity of the pot body (6-1).

6. The kneader according to claim 5, characterized in that: and a heat dissipation coil (6-4) is arranged in the jacket and penetrates through the heat absorbing sheets (6-3).

7. The kneader according to claim 6, characterized in that: the outer surface of the pot body (6-1) is coated with a heat preservation layer (6-5) of 10 mm-50 mm.