Refined cotton cooking multistage alkali cleaning machine

Abstract

The application provides a multi-stage alkali cleaning machine for refining cotton cooking, which comprises an outer liquid placing box, a lateral partition plate and a center partition plate fixedly installed in the outer liquid placing box, a plurality of soaking boxes formed by the lateral partition plate, an electric telescopic rod arranged in the center partition plate, a center rotating motor fixed on a lifting placing plate at an output end of the electric telescopic rod, a rotating separation box installed on the center rotating motor through a first support rod, and an inner counterweight box rotatably installed on the rotating separation box. The application has the advantages that the center rotating motor and the electric telescopic rod are matched to sequentially place different rotating separation boxes in different soaking boxes to realize multi-stage alkali cleaning, the designed box type structure effectively guarantees the alkali cleaning effect, reduces the water consumption for alkali cleaning, and helps to recycle the cooking alkali after collection and treatment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of alkali cleaning machine, in particular to a multi-stage alkali cleaning machine for refining cotton cooking. BACKGROUND

[0002] Refined cotton is a kind of cellulose production material made of cotton linters as raw material and refined by alkali cooking, mainly used for producing ether cellulose, nitrocellulose and cellulose acetate, and widely used in food, medicine, clothing, military, daily chemical, plastic, electronic, papermaking, metallurgy, aerospace and many other fields, which is an indispensable new material for the development of national economy.

[0003] The cooking process of refined cotton is the main production link, and caustic soda is used as a cooking aid. After cooking is completed, there is still cooking lye in the pulp, and removing the lye from the pulp fibers not only helps to improve the effect of subsequent bleaching and rinsing, but also helps to collect and treat the cooking lye for recycling, achieving energy saving and emission reduction.

[0004] A refined cotton alkali cleaning device is disclosed in Chinese patent No. 202023275760.3, which drives the extrusion plate downward by a hydraulic cylinder, cooperates with the water pump and the conveying pipe to add cleaning water into the alkali cleaning box, adopts the way of extruding and cleaning at the same time, and washes out the lye. This method consumes a large amount of water, dilutes the concentration of lye in the pulp, has low utilization rate after recovery, and has low alkali cleaning efficiency in the pulp. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a multi-stage alkali cleaning machine for refined cotton cooking, which adopts a multi-stage alkali cleaning method by dividing the tank, has high alkali cleaning efficiency, and can basically reuse the collected lye while consuming less water.

[0006] To achieve the above purpose, the present application is implemented by the following technical scheme: a multi-stage alkali cleaning machine for refined cotton cooking, comprising:

[0007] The outer liquid placing box is fixedly connected with a water discharge electromagnetic valve on the side surface, and is fixedly connected with a pH value detector on the side surface; the inner surface of the outer liquid placing box is fixedly connected with a lateral partition plate, and a soaking box is formed between the lateral partition plate and the outer liquid placing box; the upper surface of the outer liquid placing box is fixedly connected with a central isolation plate, the bottom inner wall of the central isolation plate is fixedly connected with a lower fixed plate, the upper surface of the lower fixed plate is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a lifting placing plate, the upper surface of the lifting placing plate is fixedly connected with a central rotary motor, the side surface of the central rotary motor is fixedly connected with a first support rod, the upper surface of the first support rod is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft away from the motor is fixedly connected with a rotating separation box, the side surface of the rotating separation box is provided with a lateral through hole, and the inner surface of the rotating separation box is fixedly connected with a longitudinal partition plate.

[0008] The lower surface of the rotating separation box is fixedly connected with a lower support plate, the upper surface of the lower support plate is fixedly connected with a lower support shaft, the outer surface of the lower support shaft is fixedly connected with a bearing, the outer surface of the bearing is fixedly connected with an inner counterweight box, the inner surface of the inner counterweight box is fixedly connected with a speed matching plate, and the outer surface of the inner counterweight box is fixedly connected with a metal vertebral body.

[0009] Preferably, the rear end of the pH value detector extends to the inside of the soaking box, and the side surface of the outer liquid placing box is provided with a lateral rectangular opening.

[0010] Preferably, the number of the water discharge electromagnetic valve, the pH value detector and the lateral partition plate is multiple and arranged in an annular array, and the inside of the central isolation plate forms a central cavity.

[0011] Preferably, the upper surface of the rotating separation box is provided with a box cover, and the side surface of the central rotary motor and located below the first support rod is fixedly connected with a second support rod.

[0012] Preferably, the upper surface of the first support rod is provided with a first through hole, the side surface of the second support rod is provided with a second through hole, and the rotating shaft is rotatably connected with the first through hole and the second through hole respectively.

[0013] Preferably, the number of the lateral through holes is multiple and arranged in an annular array, and the number of the electric telescopic rods is two, so as to increase the supporting performance and avoid rotation of the electric telescopic rod itself.

[0014] Preferably, the water discharge electromagnetic valve, the pH value detector, the electric telescopic rod and the motor are electrically connected with an external power supply.

[0015] Preferably: the number of the speed distribution plate and metal vertebrae is multiple and arranged in a ring array, and the upper surface of the inner weight box is provided with a water injection hole for water injection.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] 1. The present application divides the device into multiple soaking boxes to form a multi-box structure by designing an outer liquid placement box and a lateral partition plate, and gradually and sequentially places different rotating separation boxes in different soaking boxes to realize multi-stage alkali cleaning through the cooperation of the central rotating motor and the electric telescopic rod, thereby achieving high alkali cleaning efficiency.

[0018] 2. The present application uses a multi-stage alkali cleaning structure to replace the current method of washing out alkali solution by extruding and cleaning at the same time, effectively reducing water consumption and lowering the cost of alkali cleaning water.

[0019] 3. The present application installs a pH detector in each soaking box to monitor the alkali concentration in each soaking box in real time, which not only helps to control the alkali cleaning effect, but also recovers the removed alkali solution through the pH detector, which is beneficial to the recycling and reuse of alkali solution.

[0020] 4. The present application sets an inner weight box in the rotating separation box, and sets a speed distribution plate in the inner weight box, and sets metal vertebrae and longitudinal partitions on the outer side of the inner weight box and the inner side of the rotating separation box, which can not only make the slurry fully and uniformly mixed with water in the rotating separation box, but also can open the slurry through the metal vertebrae set on the outer side of the inner weight box, which can effectively enhance the alkali cleaning effect and improve the alkali cleaning efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0022] Figure 2 It is a schematic diagram of the structure of the rotating separation box of the present application;

[0023] Figure 3 It is a schematic diagram of the internal structure of the present application;

[0024] Figure 4 It is Figure 2 It is a schematic diagram of the local enlarged structure at position A in the present application;

[0025] Figure 5 It is Figure 3 It is a schematic diagram of the local enlarged structure at position B in the present application.

[0026] Wherein, 1, the outside liquid placement box; 2, lateral rectangular opening; 3, drain solenoid valve; 4, pH detector; 5, lateral partition plate; 6, center isolation plate; 7, the lower fixed plate; 8, electric telescopic rod; 9, lifting placement plate; 10, center rotating motor; 11, first support rod; 12, second support rod; 13, first through hole; 14, motor; 15, rotating separation tank; 16, tank cover; 17, lateral through hole; 18, second through hole; 19, lower support shaft; 20, bearing; 21, inner counterweight box; 22, speed matching plate; 23, metal vertebral body; 24, lower support plate; 25, water injection hole; 26, soaking box; 27, center cavity; 28, longitudinal partition plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0028] As Figures 1-5As shown, the embodiment of the present application provides a multi-stage cleaning alkali machine for refining cotton cooking, which comprises an outside liquid placing box 1, a water discharge electromagnetic valve 3 fixedly connected to the side surface of the outside liquid placing box 1 for water discharge, a plurality of pH value detectors 4 and lateral partition plates 5 arranged in a ring array, the water discharge electromagnetic valve 3, the pH value detector 4, an electric telescopic rod 8 and a motor 14 all being electrically connected to an external power source, a central isolation plate 6 forming a central cavity 27 in the inside thereof, the pH value detector 4 fixedly connected to the side surface of the outside liquid placing box 1 for pH value detection, the rear end of the pH value detector 4 extending into the inside of a soaking box 26, a lateral rectangular opening 2 provided in the side surface of the outside liquid placing box 1 for realizing the loading of slurry, the lateral partition plates 5 fixedly connected to the inner surface of the outside liquid placing box 1, the lateral partition plates 5 and the outside liquid placing box 1 forming the soaking box 26, the central isolation plate 6 fixedly connected to the upper surface of the outside liquid placing box 1, a lower fixed plate 7 fixedly connected to the bottom inner wall of the central isolation plate 6, the electric telescopic rod 8 fixedly connected to the upper surface of the lower fixed plate 7 for raising or lowering the height of a rotary separation tank 15, the output end of the electric telescopic rod 8 fixedly connected to a lifting placing plate 9, the central rotary motor 10 fixedly connected to the upper surface of the lifting placing plate 9, the first support rod 11 fixedly connected to the side surface of the central rotary motor 10, the first through hole 13 provided in the upper surface of the first support rod 11, the second support rod 12 fixedly connected to the side surface of the central rotary motor 10 and located below the first support rod 11, the second through hole 18 provided in the side surface of the second support rod 12, the rotary shafts rotatably connected to the first through hole 13 and the second through hole 18, the motor 14 fixedly connected to the upper surface of the first support rod 11 for driving the rotation of the rotary separation tank 15, the output end of the motor 14 fixedly connected to the rotary shaft, the rotary shaft fixedly connected to the rotary separation tank 15 at the end away from the motor 14, the upper surface of the rotary separation tank 15 provided with a tank cover 16, the second support rod 12 fixedly connected to the side surface of the central rotary motor 10 and located below the first support rod 11, the lateral through holes 17 provided in the side surface of the rotary separation tank 15, the lateral through holes 17 being a plurality of and arranged in a ring array, the electric telescopic rod 8 being two in number for increasing the supporting performance and avoiding the rotation of the electric telescopic rod 8 itself, the longitudinal partition plate 28 fixedly connected to the inner surface of the rotary separation tank 15 for disturbing the slurry.

[0029] The lower surface of the rotary separation tank 15 is fixedly connected to the lower support plate 24, the upper surface of the lower support plate 24 is fixedly connected to the lower support shaft 19, the outer surface of the lower support shaft 19 is fixedly connected to the bearing 20, the outer surface of the bearing 20 is fixedly connected to the inner counterweight box 21, the inner surface of the inner counterweight box 21 is fixedly connected to the speed matching plate 22, the speed matching plate 22 and the metal vertebral body 23 are a plurality of and arranged in a ring array, the upper surface of the inner counterweight box 21 is provided with the water injection hole 25 for water injection, and the outer surface of the inner counterweight box 21 is fixedly connected to the metal vertebral body 23.

[0030] Working principle: The outside liquid placing box 1 is divided into multiple soaking boxes 26 by the lateral partition plate 5. First, the inside of the soaking box 26 is injected with clean water, and the pulp is placed in the inside of the rotating separation box 15 through the box cover 16. Through the cooperation of the center rotating motor 10 and the electric telescopic rod 8, different rotating separation boxes 15 are placed in different soaking boxes 26 to realize cleaning alkali. After sufficient spinning and drying, the center rotating motor 10 and the electric telescopic rod 8 are driven to rotate clockwise or counterclockwise, driving each rotating separation box 15 into the adjacent next soaking box 26 to realize cleaning alkali. This way, multiple-stage cleaning alkali is realized, the cleaning alkali efficiency is high, and the multi-stage cleaning alkali structure is designed to replace the current cleaning alkali method of extruding and cleaning at the same time, effectively reducing water consumption and cleaning alkali water cost. By installing a pH detector in each soaking box, the concentration of alkali solution in each soaking box can be monitored in real time, which is not only beneficial to controlling the cleaning alkali effect, but also can recover the cleaned alkali solution through the pH detector, which is beneficial to the recycling and reuse of alkali solution. By setting an inside counterweight box in the rotating separation box, setting a speed distribution plate in the inside counterweight box, and setting a metal cone and a longitudinal partition plate on the outside of the inside counterweight box and the inside of the rotating separation box, the speed difference between the outside rotating separation box and the inside counterweight box can not only make the pulp fully and uniformly mixed with water in the rotating separation box, but also the metal cone set on the outside of the inside counterweight box can also open the pulp, which can effectively enhance the cleaning alkali effect and improve the cleaning alkali efficiency.

[0031] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-stage alkali removal machine for refining cotton cooking, characterized in that, include: An outer liquid placement box (1) is provided, with a water discharge solenoid valve (3) fixedly connected to the side surface of the outer liquid placement box (1), a pH value detector (4) fixedly connected to the side surface of the outer liquid placement box (1), a lateral partition plate (5) fixedly connected to the inner surface of the outer liquid placement box (1), forming an immersion box (26) between the lateral partition plate (5) and the outer liquid placement box (1), a central isolation plate (6) fixedly connected to the upper surface of the outer liquid placement box (1), a lower fixing plate (7) fixedly connected to the bottom inner wall of the central isolation plate (6), and an electric telescopic rod (8) fixedly connected to the upper surface of the lower fixing plate (7). The output end of the electric telescopic rod (8) is fixedly connected to a lifting placement plate (9), the upper surface of the lifting placement plate (9) is fixedly connected to a central rotary motor (10), the side surface of the central rotary motor (10) is fixedly connected to a first support rod (11), the upper surface of the first support rod (11) is fixedly connected to a motor (14), the output end of the motor (14) is fixedly connected to a rotating shaft, the end of the rotating shaft away from the motor (14) is fixedly connected to a rotating separation box (15), the side surface of the rotating separation box (15) is provided with a lateral through hole (17), and the inner surface of the rotating separation box (15) is fixedly connected to a longitudinal partition (28). The lower surface of the rotating separation box (15) is fixedly connected to a lower support plate (24), the upper surface of the lower support plate (24) is fixedly connected to a lower support shaft (19), the outer surface of the lower support shaft (19) is fixedly connected to a bearing (20), the outer surface of the bearing (20) is fixedly connected to an inner counterweight box (21), the inner surface of the inner counterweight box (21) is fixedly connected to a speed plate (22), and the outer surface of the inner counterweight box (21) is fixedly connected to a metal cone (23). The number of the water discharge solenoid valve (3), pH value detector (4), and side partition plate (5) are multiple and distributed in a ring array, and the interior of the central partition plate (6) forms a central cavity (27).

2. The multi-stage alkali removal machine for refined cotton cooking according to claim 1, characterized in that: The rear end of the pH meter (4) extends into the interior of the soaking tank (26), and the side surface of the outer liquid placement tank (1) is provided with a lateral rectangular opening (2).

3. The multi-stage alkali removal machine for refining cotton cooking according to any one of claims 1 and 2, characterized in that: The upper surface of the rotating separation box (15) is provided with a box cover (16), and the side surface of the central rotating motor (10) and the lower side of the first support rod (11) are fixedly connected to the second support rod (12).

4. The multi-stage alkali removal machine for refined cotton cooking according to claim 3, characterized in that: The upper surface of the first support rod (11) is provided with a first through hole (13), and the side surface of the second support rod (12) is provided with a second through hole (18). The rotating shaft is rotatably connected to the first through hole (13) and the second through hole (18) respectively.

5. The multi-stage alkali removal machine for refined cotton cooking according to any one of claims 1 and 2, characterized in that: The number of lateral through holes (17) is multiple and distributed in a ring array, and the number of electric telescopic rods (8) is two.

6. The multi-stage alkali removal machine for refining cotton cooking according to any one of claims 1 and 2, characterized in that: The water discharge solenoid valve (3), pH value detector (4), electric telescopic rod (8), and motor (14) are all electrically connected to an external power source.

7. The multi-stage alkali removal machine for refining cotton cooking according to any one of claims 1 and 2, characterized in that: The speed plate (22) and the metal cone (23) are multiple and arranged in a ring array. The upper surface of the inner counterweight box (21) is provided with a water injection hole (25).

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