Automatic powder and liquid mixing device

Abstract

The utility model discloses an automatic powder-liquid mixing device. The automatic powder-liquid mixing device comprises a powder bin, a liquid bin and a mixer, a discharge port of the powder bin and a discharge port of the liquid bin are respectively communicated with a powder inlet and a liquid inlet of the mixer through a powder metering device and a liquid metering device; a material mixing screw is arranged in the material mixing machine, the material mixing screw is driven by a material mixing motor, and a speed measuring sensor is arranged on the material mixing screw; a spraying device communicated with the liquid inlet is arranged above the mixing screw in the mixer; a temperature measuring sensor is mounted on a bearing seat of the mixing screw; the powder metering device, the liquid metering device, the mixing motor, the speed measuring sensor and the temperature measuring sensor are all electrically connected with a controller. The powder-liquid mixing device is used for automatically mixing powder and liquid, realizes uniform feeding and uniform mixing, improves the reaction efficiency, ensures uniform reaction, and effectively solves the problem of dust pollution.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to an automatic powder-liquid mixing device. Background Art

[0002] At present, in the chemical industry, in the fields of CO2 capture mixtures, desulfurization mixtures, steel plant slag loading, etc., the dust pollution problem during the mixing process of powders and liquids not only brings environmental pollution, but also makes the process difficult to control. The uneven mixing leads to low mixing reaction efficiency, poor product quality, high production consumption, and high labor intensity.

[0003] Therefore, it is an urgent task to solve the dust emission problem, improve the mixing efficiency of powder and liquid, reduce SO2 emissions, capture CO2, reduce environmental pollution and other issues in order to achieve the goal of energy conservation and emission reduction. Summary of the invention

[0004] The technical problem to be solved by the utility model is: in view of the deficiencies in the prior art, an automatic powder-liquid mixing device is provided, which can effectively reduce dust pollution, mix powder and liquid evenly, improve mixing efficiency, improve reaction effect, thereby reducing production costs, improving product quality, reducing labor intensity, and improving the production environment.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A powder-liquid automatic mixing device, the automatic mixing device comprising:

[0007] A powder bin, a liquid bin and a mixer, wherein a powder inlet and a liquid inlet are respectively arranged on the upper part of the mixer; the discharge port of the powder bin and the discharge port of the liquid bin are connected to the powder inlet and the liquid inlet of the mixer through a powder metering device and a liquid metering device respectively;

[0008] A mixing screw is provided inside the mixer, the mixing screw is driven by a mixing motor, and a speed sensor is provided on the mixing screw; a spray device connected to the liquid inlet is provided above the mixing screw in the mixer; a temperature sensor is installed on the bearing seat of the mixing screw;

[0009] The powder metering device, the liquid metering device, the mixing motor, the speed sensor, and the temperature sensor are all electrically connected to the controller.

[0010] As an improved technical solution, the powder metering device includes a speed regulating feeding device and a metering device.

[0011] As an improved technical solution, the speed-regulating feeding device includes a screw feeder and a feeding drive motor; the metering device includes a metering scale and a load sensor; the feeding drive motor and the load sensor are both electrically connected to the controller.

[0012] As an improved technical solution, the screw feeder and the metering scale, and the metering scale and the mixer are all softly connected, which further eliminates mechanical vibration.

[0013] As an improved technical solution, the mixing screw provided on the mixer is a double-axis screw or a single-axis screw; the mixing motor is a double-drive motor or a single-drive motor.

[0014] As an improved technical solution, a plurality of mixing blades are installed on the mixing screw in the mixer, and the mixing blades extend from the feeding end to the discharging end of the mixing screw.

[0015] As an improved technical solution, the spray device includes one or more spray pipes arranged above the mixing blades, and a plurality of spray heads are provided on the spray pipes.

[0016] As an improved technical solution, the liquid metering device is an electronic flow meter.

[0017] As an improved technical solution, a knife switch is provided at the discharge port of the powder bin; a one-way valve is provided between the liquid bin and the electronic flow meter, and between the electronic flow meter and the mixer.

[0018] As an improved technical solution, the powder bin and the powder metering device, and the liquid bin and the liquid metering device can be provided with one or more sets respectively.

[0019] When the powder bin and the powder metering device, and the liquid bin and the liquid metering device are provided in multiple sets, each set of the powder metering device and the liquid metering device is connected to the powder inlet and the liquid inlet of the mixer respectively.

[0020] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0021] The utility model discloses an automatic powder-liquid mixing device, wherein the discharge port of the powder bin and the discharge port of the liquid bin are connected to the powder inlet and the liquid inlet of the mixer through a powder metering device and a liquid metering device respectively; a mixing spiral is arranged inside the mixer, the mixing spiral is driven by a mixing motor, and a speed sensor is arranged on the mixing spiral; a spray device connected to the liquid inlet is arranged above the mixing spiral in the mixer; a temperature sensor is installed on the bearing seat of the mixing spiral; the powder metering device, the liquid metering device, the mixing motor, the speed sensor, and the temperature sensor are all electrically connected to a controller. The controller can strictly control the amount of powder and liquid added according to the feed amount, and realizes uniform feeding, thereby realizing uniform mixing. After uniform mixing, the reaction efficiency is effectively improved. The temperature sensor senses the reaction and mixing conditions in the mixer, so that the mixing spiral speed of the mixer can be accurately adjusted to ensure uniform reaction. The spray device above the mixing spiral sprays liquid material onto the surface of the powder, which not only achieves uniform mixing but also effectively solves the problem of dust pollution.

[0022] The powder bin and powder metering device, the liquid bin and liquid metering device of the utility model can be provided with multiple sets, and each set of powder metering device and liquid metering device is respectively connected to the powder inlet and liquid inlet of the mixer, so that multiple powders and multiple liquid materials can be evenly mixed at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0025] In the figure, 1. powder bin; 2. liquid bin; 3. mixer; 31. powder inlet; 32. liquid inlet; 33. mixing screw; 34. mixing blade; 4. screw feeder; 5. feeding drive motor; 6. metering scale; 7. load sensor; 8. mixing motor; 9. speed sensor; 10. spray pipe; 11. spray head; 12. temperature sensor; 13. controller; 14. electronic flow meter; 15. knife switch; 16. check valve. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

[0027] As attached Figure 1 As shown, a powder-liquid automatic mixing device, the automatic mixing device comprises:

[0028] A powder silo 1, a liquid silo 2 and a mixer 3, wherein a powder inlet 31 and a liquid inlet 32 ​​are respectively provided on the upper portion of the mixer 3; the discharge port of the powder silo 1 and the discharge port of the liquid silo 2 are connected to the powder inlet 31 and the liquid inlet 32 ​​of the mixer 3 through a powder metering device and a liquid metering device respectively;

[0029] The powder metering device includes a speed-adjustable feeding device and a metering device; the speed-adjustable feeding device includes a screw feeder 4 and a feeding drive motor 5; the metering device includes a metering scale 6 and a load sensor 7.

[0030] The mixer 3 is provided with a mixing screw 33 inside, the mixing screw 33 is driven by a mixing motor 8, and a speed sensor 9 is provided on the mixing screw 33; a plurality of mixing blades 34 are installed on the mixing screw 33 in the mixer 3, and the mixing blades 34 extend from the feeding end to the discharging end of the mixing screw 33; a spray device connected to the liquid inlet 32 ​​is provided above the mixing screw 33 in the mixer 3; the spray device includes one or more spray pipes 10 provided above the mixing blades 34, and a plurality of spray heads 11 are provided on the spray pipe 10; a temperature sensor 12 is installed on the bearing seat of the mixing screw 33. The liquid metering device is an electronic flow meter 14.

[0031] The feeding drive motor 5 , the load sensor 7 , the mixing motor 8 , the speed sensor 9 , the temperature sensor 12 , and the electronic flow meter 14 are all electrically connected to the controller 13 .

[0032] As a preferred embodiment, a knife switch 15 is provided at the discharge port of the powder silo 1 ; a one-way valve 16 is provided between the liquid silo 2 and the electronic flow meter 14 , and between the electronic flow meter 14 and the mixer 3 .

[0033] As a preferred embodiment, the screw feeder and the metering scale, and the metering scale and the mixer are all connected by a flexible connection. The flexible connection can be a telescopic hose, a bellows, etc. The flexible connection further eliminates mechanical vibration.

[0034] As a preferred embodiment, the mixing screw provided on the mixer is a double-axis screw or a single-axis screw; the mixing motor is a double-drive motor or a single-drive motor.

[0035] As a preferred embodiment, the powder bin and the powder metering device, the liquid bin and the liquid metering device may be provided with one or more sets respectively. When the powder bin and the powder metering device, the liquid bin and the liquid metering device are provided with multiple sets, each set of the powder metering device and the liquid metering device is connected to the powder inlet and the liquid inlet of the mixer respectively.

[0036] The mixer mixes the powder and liquid materials evenly and discharges the materials after the reaction evenly from the discharge port of the mixer. The discharge port can be connected to conveying equipment such as a zipper machine, an elevator, an air chute, a pneumatic conveying pipeline, etc., and can also be directly loaded onto a truck.

Claims

1. A powder-liquid automatic mixing device, characterized in that The automatic mixing device comprises: A powder bin, a liquid bin and a mixer, wherein a powder inlet and a liquid inlet are respectively arranged on the upper part of the mixer; the discharge port of the powder bin and the discharge port of the liquid bin are connected to the powder inlet and the liquid inlet of the mixer through a powder metering device and a liquid metering device respectively; A mixing screw is provided inside the mixer, the mixing screw is driven by a mixing motor, and a speed sensor is provided on the mixing screw; a spray device connected to the liquid inlet is provided above the mixing screw in the mixer; a temperature sensor is installed on the bearing seat of the mixing screw; The powder metering device, the liquid metering device, the mixing motor, the speed sensor, and the temperature sensor are all electrically connected to the controller.

2. The automatic powder-liquid mixing device according to claim 1, characterized in that: The powder metering device includes a speed-adjustable feeding device and a metering device; the speed-adjustable feeding device includes a screw feeder and a feeding drive motor; the metering device includes a metering scale and a load sensor; the feeding drive motor and the load sensor are both electrically connected to the controller.

3. The automatic powder-liquid mixing device according to claim 2, characterized in that: The screw feeder and the metering scale, as well as the metering scale and the mixer are all softly connected.

4. The automatic powder-liquid mixing device according to claim 1, characterized in that: The mixing screw provided on the mixer is a double-shaft screw or a single-shaft screw; the mixing motor is a double-drive motor or a single-drive motor.

5. The automatic powder-liquid mixing device according to claim 1, characterized in that: A plurality of mixing blades are installed on the mixing screw in the mixer, and the mixing blades extend from the feeding end to the discharging end of the mixing screw.

6. The automatic powder-liquid mixing device according to claim 5, characterized in that: The spray device comprises one or more spray pipes arranged above the mixing blades, and a plurality of spray heads are arranged on the spray pipes.

7. The automatic powder-liquid mixing device according to claim 1, characterized in that: The liquid metering device is an electronic flow meter.

8. The automatic powder-liquid mixing device according to claim 7, characterized in that: A knife switch is provided at the discharge port of the powder bin; a one-way valve is provided between the liquid bin and the electronic flow meter, and between the electronic flow meter and the mixer.

9. The automatic powder-liquid mixing device according to claim 1, characterized in that: The powder bin and the powder metering device, the liquid bin and the liquid metering device are provided in multiple sets respectively.

10. The automatic powder-liquid mixing device according to claim 9, characterized in that: When the powder bin and the powder metering device, and the liquid bin and the liquid metering device are provided in multiple sets, each set of the powder metering device and the liquid metering device is connected to the powder inlet and the liquid inlet of the mixer respectively.

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