CN112121462A - A multi-layer reciprocating extraction equipment for crop fermentation products - Google Patents

Abstract

The invention belongs to the field of agricultural production equipment, and relates to multilayer reciprocating extraction equipment for plant fermentation products, which comprises a treatment tank, a material conveying device and a water inlet device; the treatment tank is a main body of extraction equipment and is a multi-stage treatment tank with a multi-layer structure, each stage of treatment tank comprises an extraction tank, an overflow tank, a low-speed impeller set and a high-speed impeller set, the low-speed impeller set and the high-speed impeller set are alternately arranged in the extraction tank, and the overflow tanks are arranged at two ends of the extraction tank. The device extracts biochemical fulvic acid liquid from the fermentation products of crops such as straws and the like and separates high cellulose which can be directly used for papermaking, so that the comprehensive utilization of the crops such as straws and the like is more thorough.

Description

A multi-layer reciprocating extraction equipment for crop fermentation products

technical field

The invention belongs to the field of agricultural production equipment, and relates to a material extraction device, in particular to a multi-layer reciprocating extraction device for crop fermentation products.

Background technique

The extraction of biochemical fulvic acid from straw and other crops after biological fermentation has become an important content in the field of comprehensive utilization of straw and other crops. However, high cellulose is an important raw material for the manufacture of high-quality paper, and crops such as straw have not been fully utilized.

SUMMARY OF THE INVENTION

In view of the above technical problems, the present invention provides an extraction equipment, which extracts biochemical fulvic acid liquid from the fermentation of crops such as straws and separates high cellulose that can be directly used in papermaking, so as to make the comprehensive utilization of crops such as straws more efficient. thorough.

The technical scheme of the present invention is as follows:

A multi-layer reciprocating extraction equipment for crop fermentation products, comprising a treatment tank, a material conveying device and a water inlet device; the treatment tank is the main body of the extraction equipment, and is a multi-level treatment tank with a multi-layer structure. It includes an extraction tank, an overflow tank, a low-speed impeller group and a high-speed impeller group. The low-speed impeller group and the high-speed impeller group are alternately arranged in the extraction tank, and the overflow tank is arranged at both ends of the extraction tank.

The low-speed impeller group and the high-speed impeller group are respectively connected with electric hinges and controlled by the motor.

The material conveying device includes a feeding device and a discharging device, which are respectively arranged at both ends of the multi-stage treatment tank, and are composed of electric hinges. One end is a feeding device, and the other end is a discharging device.

The water inlet device includes a water storage tank, inlet and outlet pipelines and a pump, and transports the water flow to the extraction tanks at all levels.

One end of the primary feeding device of the extraction equipment is connected with the material shearing and thinning device.

A material dispersing device is also arranged between the primary feeding device of the treatment tank and the material shearing and thinning device.

The multi-stage discharging device is also connected with a material extruding device.

The multi-layer reciprocating extraction equipment also includes an electrical control system, including PLC, touch screen, contactor, circuit breaker, frequency converter, temperature sensor and electronically controlled valve, which are used to control the start, stop and speed of the blade, and control the supporting equipment (filtering, extrusion, etc.). Pressure, water inlet, liquid pumping) start-stop and state monitoring, realize constant temperature control of the extraction liquid through temperature sensors and electronically controlled valves, and measure the extraction liquid height in the extraction tank.

Beneficial technical effects of the present invention:

1. The high-speed impeller and the low-speed impeller in the extraction tank of the multi-layer reciprocating extraction equipment of the present invention can change the rotational speed and rotation direction at any time.

2. In the multi-layer reciprocating extraction equipment of the present invention, the impellers in the treatment tanks at all levels can be set at different rotational speeds according to production needs.

3. The multi-layer reciprocating extraction equipment of the present invention can increase the number of layers, and the multi-layer placement reduces the floor space and facilitates production.

4. The electrical control system of the multi-layer reciprocating extraction equipment of the present invention can add a remote control function to realize the three-place control of the motor and the electric valve.

5. The multi-layer reciprocating extraction equipment of the present invention realizes the automatic feeding and discharging of materials, saves labor, improves efficiency, completes the extraction, and has relatively small equipment investment, can process a large amount of materials at the same time, has high efficiency, high purity of the extract, and solid after extraction. The material can be used as an excellent raw material for papermaking.

Description of drawings

FIG. 1 is a schematic structural diagram of the multi-layer reciprocating extraction equipment of the present invention.

FIG. 2 is a schematic structural diagram of the treatment tank of the present invention.

Material shearing and thinning device 1, material conveying device 2, primary feeding device 3, material dispersing device 4, primary extraction tank 5, primary overflow tank 6, low-speed impeller group 7, high-speed impeller group 8, first-level Discharging device 9, secondary feeding device 10, secondary overflow tank 11, secondary extraction tank 12, secondary discharging device 13, tertiary feeding device 14, tertiary overflow tank 15, tertiary extraction tank 16. Tertiary discharge device 17, material extrusion device 18, water storage tank 19, primary water inlet line 20, secondary water inlet line 21, tertiary water inlet line 22, membrane concentration equipment 23, material solution discharge line 24. Primary filter 25, secondary filter 26, electrical control system 27.

Detailed ways

The technical solutions in the present invention will now be clearly and completely described with reference to the accompanying drawings. The described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts are within the protection scope of the present invention.

As shown in Figure 1, this specific embodiment adopts the following technical solutions: it includes a material shearing and thinning device 1, a material conveying device 2, a primary feeding device 3, a material dispersing device 4, a primary extraction tank 5, a primary Overflow tank 6, low-speed impeller group 7, high-speed impeller group 8, primary discharge device 9, secondary feed device 10, secondary overflow tank 11, secondary extraction tank 12, secondary discharge device 13, three Stage feeding device 14, tertiary overflow tank 15, tertiary extraction tank 16, tertiary discharge device 17, material extrusion device 18, water storage tank 19, primary water inlet line 20, secondary water inlet line 21 , tertiary water inlet pipeline 22 , membrane concentration equipment 23 , material solution discharge pipeline 24 , primary filter 25 , secondary filter 26 and electrical control system 27 .

The material shearing and thinning device 1 is placed on one side of the general device, and is connected to the material conveying device 2 composed of electric hinges, which can transport the material to the highest first-level feeding device 3. The first-level feeding device 3 is provided with The material dispersing device 4 can spread the material evenly and enter into the primary extraction tank 5 evenly.

The low-speed impeller group 7 and the high-speed impeller group 8 are arranged alternately in the first-stage extraction tank 5, which can achieve sufficient extraction effect. The inside is an electric hinge that controls the rotation of the high-speed impeller, and the other side is an electric hinge that controls the rotation of the low-speed impeller, which can control the starting state of the two impeller groups respectively. The micro-chamber enables the material to be vigorously stirred by the high-speed impeller in a limited space to enhance the extraction effect. We refer to the whole composed of the first-stage extraction tank 5, the first-stage overflow tank 6, the low-speed impeller group 7, and the high-speed impeller group 8 as the first-level treatment tank.

With the rotation of the impeller, the material moves to the first-level discharge device 9 at the end of the first-level extraction tank 5. After being squeezed by the material extrusion device 18, it enters the second-level treatment tank of the next layer, and then enters the lowermost layer after repeating the extraction operation. The final extraction is carried out in the tertiary treatment tank, and multiple treatments can ensure complete extraction. The secondary feeding device 10, the secondary overflow tank 11, the secondary extraction tank 12, the secondary discharging device 13, the tertiary feeding device 14, The arrangement of the third-stage overflow tank 15, the third-stage extraction tank 16, the third-stage discharge device 17, and the material extrusion device 18 is the same as that of the first-stage treatment tank.

The water storage tank 19 is located on the discharge side of the lower tertiary treatment tank, and is responsible for storing the extraction liquid. The liquid in the tank is transported into the extraction tank through the primary water inlet pipeline 20, the secondary water inlet pipeline 21 and the tertiary water inlet pipeline 22 powered by the water pump. The final extracted liquid flows from the feed side of the primary treatment tank through the material solution discharge line 24 through the primary filter 25, and the secondary filter 26 is finally concentrated by the membrane concentration device 23 to obtain a high-purity extract. The material from the three-stage discharge device can be used for papermaking after extrusion.

The electrical control system of the multi-layer reciprocating extraction equipment of the present invention includes PLC, touch screen, contactor, circuit breaker, frequency converter, which can control the start and stop of the speed and speed of the blade and the rotation speed, and control the supporting equipment (filtering, extrusion, water intake, liquid extraction) Start and stop and state monitoring, realize constant temperature control of the extraction liquid through temperature sensors and electronically controlled valves, and measure the extraction liquid height in the extraction tank.

Claims (8)

1. a multi-layer reciprocating extraction equipment for crop fermentation product, is characterized in that, comprises processing tank, material conveying device and water inlet device; Described processing tank is the main body of extraction equipment, is the multi-level treatment of multi-layer structure Each stage of the treatment tank includes an extraction tank, an overflow tank, a low-speed impeller group, and a high-speed impeller group. The low-speed impeller group and the high-speed impeller group are alternately arranged in the extraction tank. 2 . The multi-layer reciprocating extraction equipment for crop fermentation products according to claim 1 , wherein the low-speed impeller group and the high-speed impeller group are respectively connected with electric hinges and controlled by a motor. 3 . 3. The multi-layer reciprocating extraction equipment for crop fermentation products as claimed in claim 1, wherein the material conveying device comprises a feeding device and a discharging device, which are respectively located at both ends of the multi-stage treatment tank, and are composed of It is composed of electric hinge, one end is the feeding device, and the other end is the discharging device. 4. The multi-layer reciprocating extraction equipment for crop fermentation products as claimed in claim 1, wherein the water inlet device comprises a water storage tank, inlet and outlet pipelines and a pump, and the water flow is transported to the extraction tanks at all levels middle. 5 . The multi-layer reciprocating extraction device for crop fermentation products according to claim 1 , wherein one end of the primary feeding device of the extraction device is connected to the material shearing and thinning device. 6 . 6 . The multi-layer reciprocating extraction equipment for crop fermentation products according to claim 1 , wherein a material dispersing device is further provided between the primary feeding device of the treatment tank and the material shearing and thinning device. 7 . 7 . The multi-layer reciprocating extraction equipment for crop fermentation products according to claim 1 , wherein the multi-stage discharging device is further connected with a material extrusion device. 8 . 8. The multi-layer reciprocating extraction device for crop fermentation products as claimed in claim 1, further comprising an electrical control system comprising PLC, touch screen, contactor, circuit breaker, frequency converter, temperature sensor and electrical control The valve is used to control the start, stop and speed of the blade, and to control the temperature and height of the extract.

Images