阅读说明：本技术 一种物理脉冲破壁制浆装置 (Physical pulse broken wall slurrying device ) 是由 钱柏安 王福涛 钱文波 于 2019-07-23 设计创作，主要内容包括：本发明提供了一种物理脉冲破壁制浆装置,以及所述制浆装置的使用方法。所述物理脉冲破壁制浆装置的使用使得制浆原料(如稻草、玉米等禾本植物)在未经软化,或经过少量碱水进行软化后即可利用物理脉冲技术实现其破壁,使得整个工艺过程中碱的投入量大大降低,纸浆物料的碱性降低,从而排出的废水经过简单处理即可达到排放标准,节省了制浆工序和成本。不仅如此,利用本发明的物理脉冲破壁制浆装置对禾本科植物秸秆进行制浆,粗得浆率高达99.45％以上,且所述物理脉冲破壁制浆装置处理过程自动化及可控程度高,也大大减少了人工操作的步骤。(The invention provides a physical pulse wall breaking pulping device and a using method thereof. The physical pulse wall-breaking pulping device can realize wall breaking of pulping raw materials (such as rice straws, corns and other gramineous plants) by using a physical pulse technology after the pulping raw materials are not softened or are softened by a small amount of alkaline water, so that the input amount of the alkaline in the whole process is greatly reduced, the alkalinity of pulp materials is reduced, the discharged wastewater can reach the discharge standard through simple treatment, and the pulping process and the cost are saved. Moreover, the physical pulse wall-breaking pulping device is used for pulping the gramineous plant straws, the crude pulp yield is up to more than 99.45 percent, the automation and the controllable degree of the treatment process of the physical pulse wall-breaking pulping device are high, and the steps of manual operation are greatly reduced.)

1. A physical pulse wall breaking pulping device is provided, wherein the device is provided with a shell; a feed inlet is formed in the shell along the axial direction of the shell; an inner barrel is arranged at the position close to the inner wall of the shell, and an opening of the inner barrel is arranged at one side of the feed inlet; the inner barrel wall is composed of a sieve plate with a plurality of openings;

a rotating shaft is arranged on the wall of the inner barrel close to the feed port, and the rotating shaft drives the inner barrel to rotate in the shell along the axial direction;

the inner wall of the inner barrel is provided with a plurality of high-pressure water pressure pulse pipelines along the axial direction, each high-pressure water pressure pulse pipeline is provided with a plurality of pulse units, each pulse unit is provided with a pyramid or circular structure with an opening at the top, a high-pressure water pulse spray head and an electromagnetic valve assembly are arranged in the structure, and the high-pressure water pulse spray head is connected with the high-pressure water pressure pulse pipelines.

2. The apparatus of claim 1, wherein the apparatus is horizontal or vertical. When the inner barrel is horizontal, the inner barrel rotates along the horizontal axial direction, and when the inner barrel is vertical, the inner barrel rotates along the vertical axial direction.

3. The apparatus of claim 1 or 2, wherein the feed inlet is used for feeding the material to be treated, and the material to be treated can be non-softened pulping raw material or softened pulping raw material by alkaline water.

4. The device according to any one of claims 1-3, wherein the device further comprises a discharge port arranged on the housing for discharging the finally obtained material, the discharge port being connected to a pump for pumping the material out. Illustratively, the discharge port is arranged on the same side as the feed port, and preferably, the discharge port is arranged below the feed port, where below refers to being closer to the bottom surface.

Preferably, a drain port for discharging waste water or the like flowing from the opening of the screen plate to the housing is further provided at the bottom of the housing. The bottom is closer to the ground, and the specific arrangement position of the water outlet also needs to be adjusted according to whether the shell is in a vertical structure or a horizontal structure.

5. The device according to any of claims 1-4, wherein the drain port is further connectable to a vacuum pump, a pressure screen, a drain pump, or the like.

6. The apparatus as claimed in any one of claims 1 to 5, wherein the high pressure water pulse line passes through the inner barrel and the outer casing and is connected to a device capable of generating high pressure water having a pressure of 100 and 250 atm. For example 150 atmospheres gauge.

Preferably the inner drum wall (i.e. the screen deck) is 5-15mm thick, for example a 10mm carbon steel screen deck. The screen hole size of the inner barrel wall (screen plate) is 3-5 mm.

Preferably, the distance between the outer wall of the inner barrel and the inner wall of the shell is 10-20 cm.

Preferably, the inner barrel is driven by the rotating shaft to rotate in the outer shell, and the rotation may be in one direction, or may be periodic or aperiodic, and the rotation may be in two directions, for example, the rotation is performed first in a clockwise direction and then in a counterclockwise direction in one period.

Preferably, the inner barrel rotates at a speed of 50-100 rpm, for example, 70 rpm.

Preferably, the number of the high pressure water pulse pipes is not particularly limited, and the high pressure water pulse pipes may be uniformly distributed on the inner axial wall of the inner barrel, and may be 4, 8, 12 or 16 pipes, for example.

Preferably, the aperture of the tip is 1-2 mm.

7. The apparatus according to any one of claims 1 to 6, wherein the apparatus is further provided with a heating unit, which may be a steam pulse unit, for example, a steam pipe is provided with a high pressure water pulse pipe, one end of the steam pipe is provided on the inner wall of the inner barrel, the other end of the steam pipe passes through the inner barrel and the outer shell to be connected with a device capable of generating steam, a steam pulse nozzle is provided on the steam pipe, the nozzle is also provided in the pyramid-type structure of the pulse unit, and the steam pulse unit provides heat for the wall breaking device.

Preferably, the pressure of the steam sprayed by the steam pulse spray head is 50-100 standard atmospheric pressures. For example 80 atm. Through the steam pipeline, the steam pulse spray head enters steam pulses into the physical pulse wall breaking pulping device, and materials in the device are heated by utilizing the steam.

Preferably, the heating unit can be an electric heating unit, the electric circuit of the electric heating unit is arranged in the high-pressure water pressure pulse pipeline, and the heating assembly of the electric heating unit is arranged in the pyramid structure of the pulse unit.

Preferably, the pyramid-type structure of the pulse unit may be a polygonal pyramid structure such as a triangular pyramid, a rectangular pyramid, a pentagonal pyramid, or a circular structure; illustratively, the pyramid-shaped structures have a triangular cross-section along the radial direction of the device.

8. A method of using the device of any one of claims 1-7, the method comprising the steps of:

1) feeding the materials into the inner barrel through the feed inlet;

2) the rotating shaft is opened, the inner barrel rotates along the axial direction, the materials roll in the inner barrel, and the electromagnetic valve component is used for controlling the opening and closing of the high-pressure water pulse spray head in the pulse unit;

when the device is in a horizontal structure, the electromagnetic valve component controls the high-pressure water pulse spray head above a symmetrical horizontal plane of the device to be opened, and the high-pressure water pulse spray head below the device to be closed, so that high-pressure water always sprays suspended and rolled materials from the upper part in the radial direction;

and preparing the slurry meeting the requirements after high-pressure water pulse.

9. The method according to claim 8, wherein in step 1), the material can be softened material or unsoftened material; in the case of non-softened material, the softening process may be carried out in an inner barrel of the device, which includes the steps of:

a. feeding the materials and the medicament into an inner barrel, and heating and softening the materials and the medicament;

for example, materials and medicaments are fed into the device, and the materials in the device are heated by a heating unit in a pulse unit, wherein the heating temperature is, for example, 100-;

the material may be a gramineous plant, for example selected from the group consisting of reed, straw, bamboo chips, cotton stalk, wheat straw, corn stover, sorghum stover, and the like.

The material is preferably subjected to a pretreatment process, wherein the pretreatment comprises impurity removal, dust removal, crushing and screening;

the impurity removal and dust removal are to remove impurities and dust in the raw materials, and the dust removal is preferably carried out in a dust removal device, or a horn-shaped dust removal device is added at the top of an impurity remover or a storage bin, namely, the dust removal and the crushing or the storage and feeding are integrally carried out;

the crushing is to crush the raw materials into 1-5 cm (preferably 2-3 cm) sections, preferably in a material crusher;

and the screening is to screen and separate the crushed broken materials.

Preferably, the medicament comprises water and sodium hydroxide, and the water can be clear water or recycled water or a combination of the two; the reuse water may be water containing a small amount of impurities that exits the apparatus; the clear water can be at least one of tap water, industrial water and the like with the pH value of 6.5-7.5.

The medicament may also include some components conventionally used for softening.

The medicament consists of clear water and/or recycled water and sodium hydroxide; or the medicament consists of clear water and/or recycled water and sodium hydroxide;

preferably, the mass: clear water and/or reuse water in the medicament: the mass ratio of the sodium hydroxide is 100:300-600:5-10, such as 100:300: 7.

b. After the softening is finished, discharging the waste liquid flowing into the shell through the inner barrel wall from the water outlet; preferably, a drainage pump is adopted for pumping water;

c. vacuumizing the device by a vacuum pump connected with the water outlet;

and (4) carrying out vacuum treatment by using a vacuum pump, aiming at further reducing the water content of the softened material and preparing for the pulse step.

Optionally, d, filtering by a pressure sieve to obtain a pulping material discharged with the waste liquid;

the part of the material is continuously returned to the device and then is made into slurry after wall breaking.

10. A method according to claim 8 or 9, wherein in step 2) the pulse is performed for a time of 10-30 minutes, such as 15 minutes, and after the high pressure water pulse, efficient wall breaking of the material is achieved.

Preferably, after the step 2), the method further comprises the following steps: clean water is conveyed into the inner barrel, and the material liquid is pumped out from the discharge hole.

Technical Field

The invention belongs to the technical field of pulping devices, and particularly relates to a physical pulse wall breaking pulping device.

Background

The traditional papermaking process is to subject papermaking raw materials to main processing steps of pulping, modulation, papermaking, processing and the like, wherein pulping is the first step of papermaking and is the most critical step, and the pulping process is the process of removing lignin in the pulping raw materials; the removing process mainly comprises a chemical pulping method, a mechanical pulping method and a semi-chemical pulping method, wherein the chemical pulping method is the most widely applied production method, lignin in pulping raw materials reacts with a chemical reagent under the high-temperature condition by utilizing chemical liquid medicine to produce water-soluble substances, and the water-soluble substances and fibers are separated into pulp; soaking the alkali liquor into the pulping raw material, wherein lignin, starch, pectin, fat, resin and hemicellulose with low molecular weight can be dissolved in the alkali liquor; chemical pulping retains the natural length of the fiber and removes most of the lignin, but has low pulp yield and high pollution, and can also generate a large amount of black liquor in the subsequent water squeezing and washing processes.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a physical pulse wall breaking pulping device and a using method of the pulping device. The physical pulse wall-breaking pulping device can realize wall breaking of pulping raw materials (such as rice straws, corns and other gramineous plants) by using a physical pulse technology after being softened or softened by a small amount of alkaline water, so that the alkali input in the whole process is greatly reduced, the alkalinity of pulp materials is reduced, the discharged wastewater can reach the discharge standard through simple treatment, and the pulping process and the cost are saved. Moreover, the physical pulse wall-breaking pulping device is used for pulping the gramineous plant straws, the crude pulp yield is up to more than 99.45 percent, the automation and the controllable degree of the treatment process of the physical pulse wall-breaking pulping device are high, and the steps of manual operation are greatly reduced.

The purpose of the invention is realized by the following technical scheme:

a physical pulse wall breaking pulping device is provided, wherein the device is provided with a shell; a feed inlet is formed in the shell along the axial direction of the shell; an inner barrel is arranged at the position close to the inner wall of the shell, and an opening of the inner barrel is arranged at one side of the feed inlet; the inner barrel wall is composed of a sieve plate with a plurality of openings;

a rotating shaft is arranged on the wall of the inner barrel close to the feed port, and the rotating shaft drives the inner barrel to rotate in the shell along the axial direction;

the inner wall of the inner barrel is provided with a plurality of high-pressure water pressure pulse pipelines along the axial direction, each high-pressure water pressure pulse pipeline is provided with a plurality of pulse units, each pulse unit is provided with a pyramid or circular structure with an opening at the top, a high-pressure water pulse spray head and an electromagnetic valve assembly are arranged in the structure, and the high-pressure water pulse spray head is connected with the high-pressure water pressure pulse pipelines.

In the present invention, the terms "a number" and "a plurality" mean one, two or more than three.

According to the invention, the device is horizontal or vertical. When the inner barrel is horizontal, the inner barrel rotates along the horizontal axial direction, and when the inner barrel is vertical, the inner barrel rotates along the vertical axial direction.

The material of the shell can be corrosion-resistant and rust-resistant metal, such as stainless steel and carbon steel. The shape of the shell is not particularly defined, and the physical pulse wall breaking pulping of the material can be realized, for example, the shell has a cylindrical structure, the size of the shell is also not particularly limited, and the shell can be reasonably designed according to the treatment capacity of the device, for example, the volume of the shell is 3-10 cubic meters, for example, 5-8 cubic meters.

If the device is of a horizontal cylindrical construction, it may have a length in the axial direction of 2-5 meters, for example 3 meters, and a diameter in the radial direction of 1-4 meters, for example 1.5 meters.

According to the invention, the feed inlet is used for feeding the material to be treated, and the material to be treated can be an un-softened pulping raw material or a pulping raw material softened by alkaline water.

According to the invention, the opening size of the feeding hole is not particularly limited, and the material to be treated can be fed. A valve is arranged at the position close to the feeding hole, and after feeding is finished, the feeding hole is closed by the valve.

According to the invention, the device also comprises a discharge port arranged on the housing for discharging the finally obtained material, the discharge port being connected to a pump for pumping the material out. Illustratively, the discharge port is arranged on the same side as the feed port, and preferably, the discharge port is arranged below the feed port, where below refers to being closer to the bottom surface.

According to the present invention, a drain port for discharging waste water or the like flowing from the opening of the screen plate to the housing is further provided at the bottom of the housing. The bottom is closer to the ground, and the specific arrangement position of the water outlet also needs to be adjusted according to whether the shell is in a vertical structure or a horizontal structure.

According to the invention, the water outlet can also be connected with a vacuum pump, a pressure screen, a drainage pump, etc.

The vacuum pump is used for discharging water in the device and preparing for realizing high-pressure water pulse. The pressure screen is used for filtering slurry contained in the wastewater, so that the waste of materials is avoided, and the filtering problem of the subsequent procedure is also reduced. The drain pump may assist in draining moisture within the device.

According to the present invention, the structure of the inner barrel is not particularly limited, and it is first adapted to the housing of the device, and the inner barrel can be entirely placed in the housing, and further, the inner barrel can be rotated in the axial direction in the housing by the rotation shaft. The size of the opening of the inner barrel is not particularly limited, and the opening size of the inner barrel is matched with or larger than that of the feed port, so that materials can smoothly enter the inner barrel through the feed port.

For example, when the device is in a vertical structure, the inner barrel may have a U-shaped cross section, and when the device is in a horizontal structure, the inner barrel may have a U-shaped cross section with a horizontal opening.

According to the invention, the high-pressure water pressure pulse pipeline penetrates through the inner barrel and the shell and is connected with equipment capable of generating high-pressure water, and the pressure of the high-pressure water is 100-250 standard atmospheric pressures. For example 150 atmospheres gauge.

The flow of the high-pressure water in the high-pressure water pressure pulse pipeline is 5 tons/hour. High pressure water in the high pressure water pressure pulse pipeline can carry out the broken wall effect of efficient to the material that is kicked up at the in-process of pulse broken wall, in addition, because this moment high pressure water is pressure only great, at the in-process of pulse broken wall, because the material constantly is kicked up, so can not adsorb too much moisture. The high pressure water enters the high pressure water pressure pulse pipeline and then enters the inner barrel, the high pressure water is sprayed to the materials rolling in the inner barrel through the tip of the pulse unit, the materials in the device are continuously turned up along with the rotation of the inner barrel and then are broken by the high pressure water, and the purpose of breaking the wall is achieved.

According to the invention, the inner tub wall (i.e. the screen deck) is a carbon steel plate screen deck having a thickness of 5-15mm, for example 10 mm. The screen hole size of the inner barrel wall (screen plate) is 3-5 mm.

According to the invention, the distance between the outer wall of the inner barrel and the inner wall of the shell is 10-20 cm.

According to the invention, the inner barrel is driven by the rotating shaft to rotate in the shell, and the rotation can be performed in one direction or periodically or aperiodically in two directions, for example, the inner barrel rotates clockwise first in one period and then rotates anticlockwise.

According to the invention, the inner tub rotates at a speed of 50-100 rpm, for example 70 rpm.

According to the present invention, the number of the high pressure water pulse pipes is not particularly limited, and the high pressure water pulse pipes may be uniformly distributed on the inner axial wall of the inner barrel, and may be 4, 8, 12 or 16 pipes, for example. The number of the pulse units provided in the high-pressure water pulse line is not particularly limited, and may be set according to the length of the apparatus in the axial direction, and may be set, for example, one at every 20 to 50 cm.

According to the invention, the caliber of the tip is 1-2 mm.

According to the invention, the high-pressure water pulse sprayer comprises an iron ball and a baffle plate, wherein the baffle plate is arranged close to a top tip, and the iron ball is arranged at the outlet of the baffle plate and the outlet of the high-pressure water pressure pulse pipeline;

when the high-pressure water pulse sprayer is used, when the high-pressure water pulse sprayer rotates to a position below the horizontal shaft, the opening of the top point faces upwards, at the moment, the pulse water is controlled to be closed through the electronic induction switch, and the iron ball in the high-pressure water pulse sprayer can block the outlet of the high-pressure water pulse pipeline by means of the self gravity, so that the pipeline is closed, and the moisture in the device is prevented from flowing backwards from the top point and entering the high-pressure water pulse pipeline; when the high-pressure water pulse nozzle rotates to the position above the horizontal shaft, the opening of the tip of the high-pressure water pulse nozzle faces downwards, the iron ball in the high-pressure water pulse nozzle moves to the baffle plate by means of the self gravity, and high-pressure water from the high-pressure water pulse pipeline is sprayed out of the tip from the two sides of the baffle plate.

According to the invention, the device is also provided with a heating unit which can achieve the purpose of heating the material.

For example, the steam pulse unit can be a steam pipeline, for example, the steam pipeline is arranged together with a high-pressure water pressure pulse pipeline, one end of the steam pipeline is arranged on the inner wall of the inner barrel, the other end of the steam pipeline penetrates through the inner barrel and the outer shell to be connected with equipment capable of generating steam, a steam pulse spray head is arranged on the steam pipeline, the spray head is also arranged in a pyramid-shaped structure of the pulse unit, and the steam pulse unit provides heat for the wall breaking device. When the material is softened in the device, the steam pulse spray head is opened to provide heat, and the steam pulse spray head is closed after the softening is finished.

According to the invention, the pressure of the steam sprayed by the steam pulse spray head is 50-100 standard atmospheric pressures. For example 80 atm. Through the steam pipeline, the steam pulse spray head enters steam pulses into the physical pulse wall breaking pulping device, and materials in the device are heated by utilizing the steam.

For example, the heating unit can be an electric heating unit, the circuit of the electric heating unit is arranged in the high-pressure water pressure pulse pipeline, and the heating component of the electric heating unit is arranged in the pyramid structure of the pulse unit, so that the aim of heating the materials in the inner barrel is fulfilled.

According to the invention, the pyramid structure of the pulse unit can be a multi-pyramid structure such as a triangular pyramid, a rectangular pyramid, a pentagonal pyramid and the like, or a circular structure; illustratively, the pyramid-shaped structures have a triangular cross-section along the radial direction of the device. The height of the pyramid-shaped structure is adjusted according to the height of the inner barrel, for example, when the radial diameter of the horizontal inner barrel is 1-4 meters, the height of the pyramid-shaped structure is about 10-30cm, the pyramid-shaped structure can turn, turn and lift materials when the inner barrel rotates, the material is prevented from being attached to the inner wall of the sieve plate due to the centrifugal force generated by the rotation of the sieve plate, and the wall breaking effect of the sieve plate cannot be achieved through pulsed high-pressure water. The pulse unit with the pyramid structure is fixed on the inner wall of the sieve plate and also plays a role in supporting the sieve plate and achieving the effect of reinforcing ribs.

According to the invention, the solenoid valve assembly comprises an electronic inductive switch for controlling the opening and closing of the high-pressure water pressure pulse pipeline.

According to the invention, the electromagnetic valve component is respectively connected with the pulse unit and the heating unit as required, and is connected with the electronic induction switch for controlling the opening and closing of the pulse unit and the heating unit in the pulse unit.

The invention also provides a using method of the device, which comprises the following steps:

1) feeding the materials into the inner barrel through the feed inlet;

2) the rotating shaft is opened, the inner barrel rotates along the axial direction, the materials roll in the inner barrel, and the electromagnetic valve component is used for controlling the opening and closing of the high-pressure water pulse spray head in the pulse unit;

when the device is in a horizontal structure, the electromagnetic valve component controls the high-pressure water pulse spray head above a symmetrical horizontal plane of the device to be opened, and the high-pressure water pulse spray head below the device to be closed, so that high-pressure water always sprays suspended and rolled materials from the upper part in the radial direction;

and preparing the slurry meeting the requirements after high-pressure water pulse.

According to the invention, in step 1), the material can be softened material or unsoftened material; in the case of non-softened material, the softening process may be carried out in an inner barrel of the device, which includes the steps of:

a. feeding the materials and the medicament into an inner barrel, and heating and softening the materials and the medicament;

the softening process is also a process known in the art. The temperature and time of softening are well known in the art.

For example, materials and medicaments are fed into the device, and the materials in the device are heated by a heating unit in a pulse unit, wherein the heating temperature is, for example, 100-;

the material may be a gramineous plant, for example selected from the group consisting of reed, straw, bamboo chips, cotton stalk, wheat straw, corn stover, sorghum stover, and the like.

The material is preferably subjected to a pretreatment process, wherein the pretreatment comprises impurity removal, dust removal, crushing and screening;

the impurity removal and dust removal are to remove impurities and dust in the raw materials, and the dust removal is preferably carried out in a dust removal device, or a horn-shaped dust removal device is added at the top of an impurity remover or a storage bin, namely, the dust removal and the crushing or the storage and feeding are integrally carried out;

the crushing is to crush the raw materials into 1-5 cm (preferably 2-3 cm) sections, preferably in a material crusher;

and the screening is to screen and separate the crushed broken materials.

The material is preferably fed into the apparatus by means of pneumatic conveying.

Wherein, the medicament comprises water and sodium hydroxide, and the water can be clear water or recycled water or the combination of the clear water and the recycled water; the reuse water may be water containing a small amount of impurities that exits the apparatus; the clear water can be at least one of tap water, industrial water and the like with the pH value of 6.5-7.5.

The medicament may also include some components conventionally used for softening.

The medicament consists of clear water and/or recycled water and sodium hydroxide; or the medicament consists of clear water and/or recycled water and sodium hydroxide;

preferably, the mass: clear water and/or reuse water in the medicament: the mass ratio of the sodium hydroxide is 100:300-600:5-10, such as 100:300: 7.

b. After the softening is finished, discharging the waste liquid flowing into the shell through the inner barrel wall from the water outlet; preferably, a drainage pump is adopted for pumping water;

c. vacuumizing the device by a vacuum pump connected with the water outlet;

and (4) carrying out vacuum treatment by using a vacuum pump, aiming at further reducing the water content of the softened material and preparing for the pulse step.

Optionally, d, filtering by a pressure sieve to obtain a pulping material discharged with the waste liquid;

the part of the material is continuously returned to the device and then is made into slurry after wall breaking.

Because the material still needs further to carry out the broken wall through high pressure water, the quantity of alkali can be reduced by a wide margin compared with the prior art in the softening process. Therefore, the pH of the waste liquid obtained after the softening step is substantially close to neutral, and the waste liquid can be directly discharged without further post-treatment, and can be reused as reuse water.

According to the invention, in the step 2), the pulse time is 10-30 minutes, for example 15 minutes, and after the high-pressure water pulse, the high-efficiency wall breaking of the material can be realized.

According to the invention, after the step 2), the method also comprises the following steps: clean water is conveyed into the inner barrel, and the material liquid is pumped out from the discharge hole.

The invention has the beneficial effects that:

the invention provides a physical pulse wall breaking pulping device and a using method thereof. The physical pulse wall-breaking pulping device can realize wall breaking of pulping raw materials (such as rice straws, corns and other gramineous plants) by using a physical pulse technology after the pulping raw materials are not softened or are softened by a small amount of alkaline water, so that the input amount of the alkaline in the whole process is greatly reduced, the alkalinity of pulp materials is reduced, the discharged wastewater can reach the discharge standard through simple treatment, and the pulping process and the cost are saved. Moreover, the physical pulse wall-breaking pulping device is used for pulping the gramineous plant straws, the crude pulp yield is up to more than 99.45 percent, the automation and the controllable degree of the treatment process of the physical pulse wall-breaking pulping device are high, and the steps of manual operation are greatly reduced.

Drawings

FIG. 1 is a physical pulse wall-breaking pulping device according to a preferred embodiment of the present invention.

Detailed Description

The preparation method of the present invention will be described in further detail with reference to specific examples. It is to be understood that the following examples are only illustrative and explanatory of the present invention and should not be construed as limiting the scope of the present invention. All the technologies realized based on the above-mentioned contents of the present invention are covered in the protection scope of the present invention.

The experimental methods used in the following examples are all conventional methods unless otherwise specified; reagents, materials and the like used in the following examples are commercially available unless otherwise specified.