阅读说明：本技术 一种连续式脱脂棉生产装置及工艺 (Continuous absorbent cotton production device and process ) 是由 张桂华 郭金 于 2020-07-30 设计创作，主要内容包括：本发明公开了一种连续式脱脂棉生产装置及工艺,该生产设备包括设在洗浆机的进料端的气动运料仓；还包括设在气动运料仓的进料端的连续蒸漂机,连续蒸漂机的进料端设有药液混合机,药液混合机的进料端设有混铺棉机和开棉机；该生产工艺包括将棉被状物料在药液混合机内与碱性氧化剂混合浸渍；浸渍碱性氧化剂后的原料棉花打散后输送至连续蒸漂机中进行脱脂脱蜡处理；脱脂脱蜡处理后的原料棉花曝气水洗后进入洗浆机进行洗涤处理；本发明实现脱脂棉的连续生产,缩短生产时间,提高生产效率；可减少生产过程中的污水量,实现节能减排,降低污水处理费用,降低生产成本；可有效除去脱脂棉生产原料中含有的灰分、蛋白质、有机物及杂质,提高产品的质量。(The invention discloses a continuous absorbent cotton production device and a continuous absorbent cotton production process, wherein the production equipment comprises a pneumatic conveying bin arranged at the feed end of a pulp washer; the continuous steaming and bleaching machine is arranged at the feed end of the pneumatic conveying bin, a liquid medicine mixer is arranged at the feed end of the continuous steaming and bleaching machine, and a mixed cotton spreading machine and a cotton opener are arranged at the feed end of the liquid medicine mixer; the production process comprises mixing and soaking cotton quilt-like material with alkaline oxidant in a liquid medicine mixer; the raw material cotton dipped with the alkaline oxidant is scattered and then conveyed to a continuous steaming and bleaching machine for degreasing and dewaxing treatment; the raw material cotton after the degreasing and dewaxing treatment enters a pulp washer for washing after aeration washing; the invention realizes the continuous production of the absorbent cotton, shortens the production time and improves the production efficiency; the sewage amount in the production process can be reduced, energy conservation and emission reduction are realized, the sewage treatment cost is reduced, and the production cost is reduced; can effectively remove ash, protein, organic matters and impurities contained in the raw materials for producing the absorbent cotton, and improve the quality of the product.)

1. The utility model provides a continuous type absorbent cotton apparatus for producing which characterized in that: the device comprises a pneumatic conveying bin (9), wherein the pneumatic conveying bin (9) is arranged at the feed end of a pulp washer (5), and the pneumatic conveying bin (9) is used for carrying out aeration washing on the degreased and dewaxed material.

2. The continuous apparatus for producing absorbent cotton as claimed in claim 1, wherein: the automatic chemical steaming and bleaching machine is characterized by further comprising a continuous steaming and bleaching machine (4), wherein the continuous steaming and bleaching machine (4) is arranged at the feed end of the pneumatic conveying bin (9), a chemical liquid mixer (3) is arranged at the feed end of the continuous steaming and bleaching machine (4), and a mixed cotton spreading machine (2) and a cotton opener (1) are arranged at the feed end of the chemical liquid mixer (3);

the liquid medicine mixing machine (3) is connected with the mixed medicine tank (8), and alkaline oxidant is stored in the mixed medicine tank (8).

3. The continuous apparatus for producing absorbent cotton as claimed in claim 1, wherein: the cotton opener is characterized by further comprising a pretreatment device, wherein the pretreatment device is arranged in front of the cotton opener and comprises a cotton opener, a metal detector, a foreign fiber machine, a multi-bin cotton mixer and a cyclone separator.

4. The continuous apparatus for producing absorbent cotton as claimed in claim 1, wherein: the pneumatic conveying bin (9) comprises a conveying bin (91), and a blowing unit and a cleaning unit are arranged in the conveying bin (91); the cleaning unit comprises an upper spraying assembly and a lower cleaning assembly, and the upper spraying assembly is arranged at the upper part of the material conveying bin (91); the lower cleaning assembly is arranged at the bottom of the material conveying bin (91); the blowing unit is arranged at the bottom of the material conveying bin (91).

5. The continuous type absorbent cotton production apparatus of claim 2, wherein: the continuous steaming and bleaching machine (4) comprises a steaming and bleaching box (49), wherein three layers of conveying mesh belts are sequentially arranged in the steaming and bleaching box (49) at intervals from top to bottom, and the three layers of conveying mesh belts convey materials in an S shape; a cotton feeding curtain (41) is arranged at the feed end of the upper layer conveying mesh belt; a scattering device (42) is arranged on the side part of the discharge end of the cotton feeding curtain (41); the scattering device (42) scatters the cotton material dipped with the liquid medicine into blocks.

6. The continuous type absorbent cotton production apparatus of claim 2, wherein: the liquid medicine mixer (3) comprises a liquid medicine groove (31), and a conveying net belt (35) is arranged in the liquid medicine groove (31); the liquid medicine tank (31) is provided with a spraying dipping area (313), a dipping extrusion area (314) and an extrusion area (315) along the conveying direction; and an extrusion mesh belt (34) is arranged above the corresponding impregnation extrusion area (314) and the extrusion area (315) of the conveying mesh belt (35), and the extrusion mesh belt (34) and the conveying mesh belt (35) are oppositely clamped.

7. The continuous type absorbent cotton production apparatus of claim 2, wherein: the mixed cotton spreading machine (2) comprises a cotton feeding inclined curtain (24); a cotton homogenizing beater (26) is arranged on the side part of one end, close to the discharging end, of the cotton conveying inclined curtain (24), and the cotton conveyed on the cotton conveying inclined curtain (24) is subjected to primary opening and mixing by the cotton homogenizing beater (26); the discharge end of the cotton conveying inclined curtain (24) is provided with a cotton stripping beater (27), and the cotton conveying inclined curtain conveys cotton to the cotton stripping beater (27) for secondary opening and mixing.

8. A continuous absorbent cotton production process is characterized in that: dipping treatment, namely mixing and dipping the quilt-shaped materials with an alkaline oxidant in a liquid medicine mixer;

steaming and bleaching, namely scattering the raw material cotton soaked with the alkaline oxidant by a scattering device, further conveying the scattered raw material cotton to a continuous steaming and bleaching machine for steam heating, and performing degreasing and dewaxing reactions;

and (4) washing, namely performing aeration washing on the degreased and dewaxed raw material cotton through a pneumatic conveying bin, and then entering a pulp washer for washing.

9. The continuous absorbent cotton production process of claim 8, wherein: the method also comprises cotton opening treatment, namely, cotton opening treatment is carried out on the raw material cotton in a cotton opener;

cotton material arrangement, the material after the cotton opening treatment is conveyed to a mixed cotton spreading machine to be arranged into a quilt shape, the thickness of the quilt-shaped material is 15-30mm, and the width of the quilt-shaped material is 2.6-2.8 m;

the process is characterized in that pretreatment is carried out before opening treatment, and the pretreatment comprises the step of removing impurity particles in raw materials.

10. The continuous absorbent cotton production process of claim 8, wherein: the whiteness of the prepared absorbent cotton product is more than or equal to 85 degrees; the surface active matter of the absorbent cotton is not more than 2 mm; 10g of absorbent cotton has water absorption capacity of over 240g within 20 s; the content of sulfuric acid insoluble substances is less than or equal to 0.5 percent, the content of ash is less than or equal to 0.5 percent, and the moisture absorption is 24 g;

in the dipping treatment process, the cotton quilt is soaked by the alkaline oxidant, and the mass ratio of the medicament to the cotton is kept to be 1.0-2.0: 1.

Technical Field

The invention relates to a continuous absorbent cotton production device and a continuous absorbent cotton production process, and belongs to the technical field of production of sanitary material derived products.

Background

The absorbent cotton is cotton which is chemically treated to remove accompanying impurities, is easier to absorb liquid than common cotton, is a sanitary product, and is mainly used in medical units. Associated impurities are mainly divided into two main categories: one is polysaccharides and derivatives, such as pentosan, hexosan, pectin, starch, etc.; and the other non-carbohydrate substances, such as lignin, resin or grease, wax, protein, inorganic salt, a small amount of tannin, pigment and the like, are used after removing the accompanying impurities. The cotton is chemically treated to remove the substances to obtain the absorbent cotton.

The existing manufacturing method of the absorbent cotton is carried out by adopting an intermittent production mode and mainly comprises a cotton carding machine → a cotton grabbing machine → a cake making machine → a steamer cooking equipment → bleaching → a three-leg centrifuge is hung for dehydration, washing and centrifugal separation → a wet opener → a chain plate type drying equipment → a packaging machine.

The prior intermittent method for producing the absorbent cotton has the following problems in actual production:

1. the intermittent production method has long production time and low production efficiency;

2. the sewage yield is high, the sewage treatment cost is high, and the energy conservation and emission reduction are not facilitated;

3. in the production process of the prior art, ash, protein, organic matters and impurities contained in the absorbent cotton raw material cannot be effectively removed.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

Disclosure of Invention

Aiming at the defects, the invention provides a continuous absorbent cotton production device and process, which can realize continuous production of absorbent cotton, shorten the production time and improve the production efficiency; the sewage amount in the production process can be reduced, energy conservation and emission reduction are realized, the sewage treatment cost is reduced, and the production cost is greatly reduced; can effectively remove ash, protein, organic matters and impurities contained in the raw materials for producing the absorbent cotton, and improve the production quality of the product.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a continuous type absorbent cotton apparatus for producing, includes pneumatic fortune feed bin, pneumatic fortune feed bin sets up the feed end at the pulp washer, pneumatic fortune feed bin carries out aeration washing to the material after the degrease dewaxing.

The continuous steaming and bleaching machine is arranged at the feed end of the pneumatic conveying bin, a liquid medicine mixer is arranged at the feed end of the continuous steaming and bleaching machine, and a mixed cotton spreading machine and a cotton opener are arranged at the feed end of the liquid medicine mixer;

the liquid medicine mixes the machine and is connected with mixed medicinal cupping, it has alkaline oxidant to store in the mixed medicinal cupping.

The device further comprises a pretreatment device, wherein the pretreatment device is arranged in front of the cotton opener and comprises a cotton opener, a metal detector, a foreign fiber machine, a multi-bin cotton mixer and a cyclone separator.

Further, the pneumatic material transporting bin comprises a material transporting bin, and a blowing unit and a cleaning unit are arranged in the material transporting bin; the cleaning unit comprises an upper spraying assembly and a lower cleaning assembly, and the upper spraying assembly is arranged at the upper part of the material conveying bin; the lower cleaning assembly is arranged at the bottom of the material conveying bin; the blowing unit is arranged at the bottom of the material conveying bin.

Further, the continuous steaming and bleaching machine comprises a steaming and bleaching box, wherein three layers of conveying mesh belts are arranged in the steaming and bleaching box at intervals from top to bottom in sequence, and the three layers of conveying mesh belts convey materials in an S shape; a cotton feeding curtain is arranged at the feed end of the upper layer conveying mesh belt; a scattering device is arranged on the side part of the discharge end of the cotton feeding curtain; the scattering device scatters cotton materials dipped with the liquid medicine into blocks.

Further, the liquid medicine mixing machine comprises a liquid medicine groove, and a conveying net belt is arranged in the liquid medicine groove; the liquid medicine groove is provided with a spraying dipping area, a dipping extrusion area and an extrusion area along the conveying direction; and an extrusion mesh belt is arranged above the corresponding impregnation extrusion area and the extrusion area of the conveying mesh belt, and the extrusion mesh belt and the conveying mesh belt are arranged in a butt-clamping manner.

Further, the mixed cotton spreading machine comprises a cotton feeding inclined curtain; a cotton homogenizing beater is arranged at the side part of one end, close to the discharging end, of the cotton conveying inclined curtain, and the cotton conveyed on the cotton conveying inclined curtain is subjected to primary opening and mixing by the cotton homogenizing beater; the discharge end of the cotton conveying inclined curtain is provided with a cotton stripping beater, and the cotton stripping beater opens and mixes the cotton conveyed by the cotton conveying inclined curtain for the second time.

A continuous absorbent cotton production process is characterized in that:

dipping treatment, namely mixing and dipping the quilt-shaped materials with an alkaline oxidant in a liquid medicine mixer;

steaming and bleaching, namely scattering the raw material cotton soaked with the alkaline oxidant by a scattering device, further conveying the scattered raw material cotton to a continuous steaming and bleaching machine for steam heating, and performing degreasing and dewaxing reactions;

and (4) washing, namely performing aeration washing on the degreased and dewaxed raw material cotton through a pneumatic conveying bin, and then entering a pulp washer for washing.

Further, the method also comprises cotton opening treatment, wherein the cotton raw material is subjected to cotton opening treatment in a cotton opener;

cotton material arrangement, the material after the cotton opening treatment is conveyed to a mixed cotton spreading machine to be arranged into a quilt shape, the thickness of the quilt-shaped material is 15-30mm, and the width of the quilt-shaped material is 2.6-2.8 m;

the process is characterized in that pretreatment is carried out before opening treatment, and the pretreatment comprises the step of removing impurity particles in raw materials.

Further, the whiteness of the prepared absorbent cotton product is more than or equal to 85 degrees; the surface active matter of the absorbent cotton is not more than 2 mm; 10g of absorbent cotton has water absorption capacity of over 240g within 20 s; the content of sulfuric acid insoluble substances is less than or equal to 0.5 percent, the content of ash is less than or equal to 0.5 percent, and the moisture absorption is 24 g;

in the dipping treatment process, the cotton quilt is soaked by the alkaline oxidant, and the mass ratio of the medicament to the cotton is kept to be 1.0-2.0: 1.

After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:

the invention can realize the continuous production of the absorbent cotton, shorten the production time and improve the production efficiency;

the invention can also reduce the sewage amount in the production process, realize energy conservation and emission reduction, reduce the sewage treatment cost and greatly reduce the production cost;

the invention adopts the pretreatment device and the alkaline oxidant steaming and bleaching mode, effectively removes ash, protein, organic matters and impurities attached to the raw materials, and improves the production quality of the product.

The present invention will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic view showing the structure of a continuous type absorbent cotton production apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of a hybrid cotton spreading machine;

FIG. 3 is a schematic structural view of a cotton homogenizing beater;

FIG. 4 is a schematic view of the structure of a cotton stripping beater;

FIG. 5 is a schematic view showing the structure of the chemical liquid mixer;

FIG. 6 is a schematic structural diagram of a continuous steaming and bleaching machine;

FIG. 7 is a schematic view of a breaking apparatus;

FIG. 8 is a schematic structural view of a pneumatic shipping bin;

FIG. 9 is a top view of the air blowing unit and the lower wash assembly;

in the figure, the position of the upper end of the main shaft,

1-opener, 2-mix cotton-laying machine, 21-mix box, 22-feeding mouth, 23-cotton-feeding flat curtain, 24-cotton-feeding inclined curtain, 25-dust box, 26-cotton-homogenizing beater, 261-first rotating roller, 262-toothed plate, 27-cotton-stripping beater, 271-second rotating roller, 272-bar needle, 28-cotton-conveying box, 29-cotton-homogenizing mechanism, 210-cotton-conveying roller, 211-cotton-discharging flat curtain, 3-liquid medicine mixer, 31-liquid medicine tank, 32-first spray pipe group, 33-overflow trough, 34-extruding mesh belt, 35-conveying mesh belt, 36-jacking roller, 37-second spray pipe group, 38-roller, 39-frame, 310-first extruding roller group, 311-second extruding roller group, 312-a third extrusion roller group, 313-a spray impregnation zone, 314-an impregnation extrusion zone, 315-an extrusion zone, 4-a continuous steaming and bleaching machine, 41-a cotton delivery curtain, 42-a scattering device, 421-a rotary drum, 422-a scattering rod, 43-an upper conveying mesh belt, 44-a middle conveying mesh belt, 45-a lower conveying mesh belt, 46-a first material transfer channel, 47-a second material transfer box, 48-a steam pipe, 49-a steaming and bleaching box, 410-an exhaust port, 5-a pulp washer, 6-a drying combination machine, 7-a packaging machine, 8-a mixed medicine tank, 9-a pneumatic conveying bin, 91-a conveying bin, 92-a conveying belt, 93-a material baffle, 94-a spray nozzle, 95-a spray pipe, 96-a support and 97-an air main pipe, 98-gas transmission branch pipe, 99-first air blowing nozzle, 910-water outlet nozzle, 911-water transmission main pipe, 912-water transmission branch pipe, 913-second air blowing nozzle, 914-overflow discharge port and 915-discharge plate.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.