CN111826860B - Continuous absorbent cotton production device and process - Google Patents
Continuous absorbent cotton production device and process Download PDFInfo
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- CN111826860B CN111826860B CN202010752361.7A CN202010752361A CN111826860B CN 111826860 B CN111826860 B CN 111826860B CN 202010752361 A CN202010752361 A CN 202010752361A CN 111826860 B CN111826860 B CN 111826860B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G21/00—Combinations of machines, apparatus, or processes, e.g. for continuous processing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
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 and water 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.
Description
Technical Field
The invention relates to a continuous absorbent cotton production device and process, and belongs to the technical field of production of sanitary material derivative 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 foregoing, it is apparent that the prior art has inconvenience and disadvantages in practical use, and thus, 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, the 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 mixer comprises a liquid medicine tank, and a conveying mesh belt is arranged in the liquid medicine tank; 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.
Furthermore, the method also comprises cotton opening treatment, namely, the 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 2.6-2.8m;
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 2mm;10g of absorbent cotton has water absorption capacity of over 240g within 20 s; the content of insoluble substances in sulfuric acid is less than or equal to 0.5 percent, the content of ash is less than or equal to 0.5 percent, and the hygroscopicity is 24g;
in the dipping treatment process, the cotton quilt is soaked by using an alkaline oxidant, and the mass ratio of the chemical to the cotton is kept between 1.0 and 2.0.
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 of the structure of a continuous type absorbent cotton production apparatus of 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.
Example 1
As shown in fig. 1, the invention provides a continuous absorbent cotton production device, which comprises a cotton opener 1, a mixed cotton spreading machine 2, a liquid medicine mixer 3, a continuous steaming and bleaching machine 4, a pulp washer 5, a drying combination machine 6 and a packing machine 7;
the discharge port of the cotton opener 1 is connected with the feed port of the mixed cotton spreading machine 2, and the mixed cotton spreading machine 2 sorts the materials into a quilt shape; the discharge hole of the cotton mixing and spreading machine 2 is connected with the feed inlet of the liquid medicine mixing machine 3, the liquid medicine mixing machine 3 is connected with the mixed medicine tank 8 through a pipeline, an alkaline oxidant is stored in the mixed medicine tank 8, a medicine pump is arranged on the pipeline between the liquid medicine mixing machine 3 and the mixed medicine tank 8, and the alkaline oxidant in the mixed medicine tank 8 is pumped into the liquid medicine mixing machine 3 through the medicine pump; the material is mixed and impregnated with an alkaline oxidizing agent in a chemical solution mixer 3.
The discharge end of the liquid medicine mixer 3 is connected with the feed inlet of the continuous steaming and bleaching machine 4; the material impregnated with the over-alkaline oxidant is heated in a continuous steaming and bleaching machine 4 to carry out degreasing and dewaxing reactions; the discharge hole of the continuous steaming and bleaching machine 4 is connected with the feed inlet of the pneumatic conveying bin 9, and materials are aerated and washed in the pneumatic conveying bin 9; a discharge hole of the pneumatic conveying bin 9 is connected with a feed hole of the pulp washer 5, and the degreased and dewaxed material is washed in the pulp washer 5; a discharge port of the pulp washer 5 is connected with a feed port of the drying combination machine 6, and materials are dried in the drying combination machine 6; and a discharge port of the drying combination machine 6 is connected with a feed port of a packing machine 7, and the dried materials are packed by the packing machine 7 to obtain the packed absorbent cotton.
The continuous absorbent cotton production 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; can carry out physics edulcoration to cotton material through preceding processing apparatus, clear away the adnexed impurity of cotton material.
As shown in fig. 2-4, the cotton mixing and spreading machine 2 includes a cotton mixing box 21, the cotton mixing box 21 is of a box structure, a feeding port 22 is arranged at the upper part of one end of the cotton mixing box 21, and cotton is fed into the cotton mixing box 21 through the feeding port 22.
A conveying belt 923 is arranged in the cotton mixing box 21 below the feeding port 22, a cotton feeding inclined curtain 24 is arranged at the output end of the conveying belt 923, and the cotton feeding inclined curtain 24 is obliquely arranged; the inclination angle of the cotton feeding inclined curtain 24 is 35-42 degrees.
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 homogenizing beater 26 is used for opening and mixing cotton conveyed on the cotton conveying inclined curtain 24 for the first time; all cotton beater 26 includes first turning roll 261, a plurality of pinion racks 262 are evenly arranged to first turning roll 261 circumference, pinion rack 262 is rectangular shaped plate, the length of pinion rack 262 is the same with the length of first turning roll 261.
A cotton stripping beater 27 is arranged at the discharge end of the cotton conveying inclined curtain 24, and the cotton stripping beater 27 secondarily opens and mixes cotton conveyed out of the cotton conveying inclined curtain; the cotton stripping beater 27 comprises a second rotating roller 271, the second rotating roller 271 is a rotatable cylindrical second rotating roller, and the second rotating roller is driven to rotate by a power device; four needle bar groups are uniformly arranged on the second rotating roller 271 at intervals in the circumferential direction, each needle bar group comprises a plurality of needle bars 272, the plurality of needle bars 272 are uniformly arranged in a row at intervals in the axial direction of the second rotating roller 271, and the end parts of the needle bars 272 are in a needle point shape.
The cotton conveying device is characterized in that a cotton conveying box 28 is arranged below the cotton stripping beater 27, cotton which is subjected to opening and mixing by the cotton stripping beater 27 automatically falls into the cotton conveying box 28, the upper part and the lower part of the cotton conveying box 28 are both provided with openings, a cotton conveying roller group is arranged at the lower opening of the cotton conveying box 28 and comprises two cotton conveying rollers 210 which are arranged at intervals, and cotton in the cotton conveying box 28 is delivered through the two cotton conveying rollers.
A cotton outlet flat curtain 211 is arranged below the cotton outlet end of the cotton conveying roller group, and the cotton outlet flat curtain 211 conveys cotton discharged from the mixed cotton spreading machine to the next process.
A cotton homogenizing mechanism 29 is arranged above the feeding end of the cotton outlet flat curtain 211, and cotton opening and mixing are more uniform through the cotton homogenizing mechanism 29; the cotton homogenizing mechanism 29 is in a vibration type, the cotton homogenizing mechanism 29 comprises a toothed roller, the toothed roller can rotate, and the toothed roller is connected with a driving device and driven to rotate by the driving device; the tooth-shaped roller is also connected with a vibration motor, and the tooth-shaped roller is driven by the vibration motor to vibrate, so that the tooth-shaped roller vibrates simultaneously when rotating, and the cotton-distributing effect is better.
The top of the cotton mixing box 21 corresponding to the upper opening of the cotton conveying box 28 is provided with a dust suction box 25, and dust, cotton wool, impurities and the like generated in the cotton mixing and spreading machine are sucked and removed through the dust suction box 25.
When the cotton mixing and spreading machine 2 works, cotton enters the cotton mixing box 21 from a feeding port, is conveyed to the cotton conveying inclined curtain 24 through the conveying belt 923, is subjected to primary opening and mixing by the cotton homogenizing beater 26 on the cotton conveying inclined curtain, is subjected to secondary opening and mixing by the cotton stripping beater 27, falls into the cotton conveying box 28, is conveyed to the cotton discharging flat curtain 211 through the cotton conveying roller group at the bottom of the cotton conveying box, is subjected to secondary uniform mixing by the uniform mechanism above the cotton discharging flat curtain 211, and is conveyed to the next process.
The cotton mixing and spreading machine 2 can improve the uniformity of cotton mixing, fully mix cotton, reduce the twisting phenomenon of cotton materials, improve the cotton mixing effect and ensure the subsequent production of products.
As shown in fig. 5, the liquid medicine mixer 3 includes a liquid medicine tank 31, the liquid medicine tank 31 contains liquid medicine, and the liquid medicine tank 31 is fixed on a frame 39; the liquid medicine tank 31 is provided with a liquid medicine inlet and a liquid medicine outlet, the liquid medicine inlet and the liquid medicine outlet are both connected with a liquid medicine circulating system, and liquid medicine is circularly provided for the liquid medicine tank 31 through the liquid medicine circulating system.
A conveying mesh belt 35 is arranged in the liquid medicine groove 31, and the conveying mesh belt 35 is used for conveying cotton materials; 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 cotton material conveying direction; the depth of the dipping extrusion zone 314 is greater than the depth of the spraying dipping zone 313 and the extrusion zone 315.
The part of the conveying net belt 35 corresponding to the dipping and squeezing area 314 is immersed below the liquid level of the medicine in the medicine liquid groove 31.
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 extrudes the cotton material on the conveying mesh belt 35.
The extrusion mesh belt 34 and the conveying mesh belt 35 are driven to rotate circularly by a plurality of rollers 38; the drum 38 is arranged on a frame 39; the lower operation area of the extrusion mesh belt 34 is closely adjacent to the material conveying area of the conveying mesh belt 35 to form a butt-clamping arrangement mode, so that the extrusion mesh belt 34 can extrude cotton materials conveniently.
An overflow groove 33 is arranged above the liquid medicine groove 31 corresponding to the spraying and dipping area 313, and the overflow groove 33 is obliquely arranged above the conveying net belt 35; a first spraying pipe group 32 is arranged above the overflow groove 33, the cotton material which just enters the conveying net belt 35 is sprayed with liquid medicine through the first spraying pipe group 32, and the first spraying pipe group 32 is connected with a liquid medicine system; the first shower group is fixed to a frame 39.
The opposite clamping part of the extrusion mesh belt 34 and the conveying mesh belt 35 is provided with a first extrusion roller group 310, a second extrusion roller group 311 and a third extrusion roller group 312; the number of the first extrusion roller sets 310 is multiple, and the multiple first extrusion roller sets 310 are uniformly arranged at intervals along the cotton conveying direction; a plurality of first press roll sets 310 are disposed in the dip press zone 314; performing primary extrusion on the cotton material soaked in the liquid medicine through a first extrusion roller group 310; performing secondary extrusion on the cotton material dipped with the liquid medicine through a second extrusion roller set 311; the cotton is extruded three times by the third extrusion roller group 312.
The number of the second extrusion roller set 311 and the third extrusion roller set 312 is one, and the second extrusion roller set 311 and the third extrusion roller set 312 are respectively provided with the front end and the rear end of the extrusion region 315; the extrusion mesh belt 34 between the second extrusion roller set 311 and the third extrusion roller set 312 is jacked up by a jacking roller 36, so that the extrusion mesh belt 34 is separated from the conveying mesh belt 35; the jacking rollers 36 are provided on a frame 39.
A second spraying pipe group 37 is arranged above the corresponding conveying mesh belt 35 between the second extrusion roller group 311 and the third extrusion roller group 312, the second spraying pipe group 37 sprays liquid medicine to the secondary extruded cotton material, and the cotton material sprayed with the liquid medicine again is extruded by the third extrusion roller group 312 and then is conveyed to the next working procedure.
The second spraying pipe group 37 is connected with a liquid medicine system; the second shower group 37 is fixed to a frame 39.
The first compression roller set 310, the second compression roller set 311 and the third compression roller set 312 are all arranged on the frame 39.
When the liquid medicine mixer 3 works, cotton materials are conveyed to the conveying mesh belt 35 from the previous working procedure, liquid medicine is sprayed through the first spraying pipe group 32, then the cotton materials enter the dipping and extruding area 314 along with the transmission of the conveying mesh belt 35, the materials are dipped in the liquid medicine and are extruded through the extruding mesh belt 34 and the first extruding roller group, so that the cotton materials are dipped and extruded simultaneously, the dipping effect is good and uniform; then the material enters a squeezing area 315, the squeezing area 315 is firstly squeezed for the second time through a second squeezing roller set 311, then the second spraying pipe set 37 is used for spraying the liquid medicine again, the third squeezing roller set 312 is used for squeezing for the third time to complete the liquid medicine dipping process, and the dipped cotton material is conveyed to the next working procedure.
The liquid medicine mixer 3 can shorten the mixing reaction time of liquid medicine and materials, improve the dipping efficiency and reduce the energy consumption of equipment; can improve the material impregnation uniformity, make liquid medicine and material fully react, improve the impregnation effect, guarantee the production line just produce and go on.
As shown in fig. 6-7, the continuous steaming and bleaching machine 4 comprises a steaming and bleaching box 49, the steaming and bleaching box 49 is of a box structure, and openings are arranged above the left end and below the right end of the steaming and bleaching box 49; three layers of conveying mesh belts, namely an upper conveying mesh belt 43, a middle conveying mesh belt 44 and a lower conveying mesh belt 45, are sequentially arranged in the steaming and bleaching box 49 from top to bottom at intervals; the three layers of conveying mesh belts are all horizontally arranged; the feeding end of the upper conveying mesh belt 43 is provided with a cotton feeding curtain 41, and the cotton feeding curtain 41 is obliquely arranged at an opening above the left end of the float steaming box 49; the discharge end of the cotton feeding curtain 41 is arranged above the upper conveying mesh belt 43.
A scattering device 42 is arranged on the side part of the discharge end of the cotton feeding curtain 41, and the scattering device 42 is arranged above the feed end of the upper conveying mesh belt 43; the scattering device 42 scatters the cotton material dipped with the liquid medicine into blocks; the scattering device 42 comprises a rotating drum 421, and two ends of the rotating drum 421 are rotatably connected to the side wall of the float steaming box 49; the rotating drum 421 is connected with a driving device and is driven to rotate by the driving device; the rotating drum 421 is provided with a plurality of scattering rod sets along the circumferential direction, and the number of the scattering rod sets in this embodiment is 10; each breaking rod group comprises a plurality of breaking rods 422, and the breaking rods 422 are uniformly arranged in a row at intervals along the axial direction of the rotary drum 421; the end of the breaking rod 422 is pointed; the driving device drives the rotating drum 421 to drive the scattering rod group to rotate together, and the scattering rod 422 scatters the quilt-shaped cotton into blocks in the rotating process.
The transmission direction of the upper conveying mesh belt 43 is opposite to that of the middle conveying mesh belt 44, and the transmission direction of the upper conveying mesh belt 43 is the same as that of the lower conveying mesh belt 45, so that the three layers of conveying mesh belts are in S-shaped transmission.
A first material transferring channel 46 is arranged at the discharge end of the upper conveying mesh belt 43, and the first material transferring channel 46 is a cylindrical structure which is vertically arranged and has two open ends; the lower opening of the first material transferring channel 46 is arranged above the feeding end of the middle conveying mesh belt, and cotton materials on the upper conveying mesh belt 43 smoothly fall onto the middle conveying mesh belt 44 through the first material transferring channel 46; a second material transferring channel 47 is arranged at the discharge end of the middle conveying mesh belt 44, and the second material transferring channel 47 is vertically arranged and has a cylindrical structure with openings at two ends; the lower opening of the second material-transferring channel 47 is arranged above the lower conveying mesh belt 45, and the cotton material on the middle conveying mesh belt 44 is smoothly dropped onto the lower conveying mesh belt 45 through the second material-transferring channel 47.
A plurality of steam pipes 48 are arranged in the steaming and bleaching box 49, and the steam pipes 48 are uniformly laid below the lower conveying mesh belt 45 at intervals; the steam pipe 48 is provided with a plurality of round holes, steam in the steam pipe 48 is emitted into the steam float box 49 from the round holes, and the cotton material on the conveying mesh belt is heated, so that the cotton material and the liquid medicine fully react.
The steam pipe 48 is in communication with a steam system through which steam is supplied to a steam float chamber 49.
The top of the steaming and bleaching box 49 is also provided with an air outlet 410.
When the continuous steaming and bleaching machine 4 works, quilt-shaped cotton materials impregnated with liquid medicine are conveyed into a steaming and bleaching box through a cotton conveying curtain, the cotton conveying curtain is scattered into a block shape at the discharge end and falls onto an upper conveying mesh belt, the cotton materials are conveyed in the steaming and bleaching box in an S shape sequentially through three layers of conveying mesh belts, steam is introduced into the steaming and bleaching box through a steam pipe in the conveying process to heat the cotton materials on the conveying mesh belts, so that the cotton materials are fully and uniformly subjected to degreasing and dewaxing reactions, and finally the cotton materials are conveyed to the next process from an outlet below the right end of the steaming and bleaching box.
The continuous steaming and bleaching machine can increase the retention reaction time of materials, and the degreasing and dewaxing reactions are sufficient; can improve the looseness of the cotton material, improve the uniformity of the degreasing and dewaxing reaction of the cotton material and improve the quality of products.
As shown in fig. 8 to 9, the pneumatic transport bin 9 includes a transport bin 91, a blowing unit, and a cleaning unit; the blowing unit and the cleaning unit are both arranged in the material transporting bin 91.
The material conveying bin 91 is of a rectangular box structure, and the material conveying bin 91 is fixedly arranged on the support 96. The left end of fortune feed bin 91 is established the portion and is provided with the opening, the opening part is provided with conveyer belt 92, conveyer belt 92's discharge end stretches into in the fortune feed bin 91, the lateral part of conveyer belt 92 discharge end is provided with striker plate 93, striker plate 93 slope sets up, the splash that produces when the cotton material that can reduce on the conveyer belt 92 falls into fortune feed bin 91 of striker plate 93.
The cleaning unit pre-cleans the degreased and dewaxed cotton material; 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 lower cleaning component comprises a main water pipe 911, the main water pipe 911 is laid at the bottom of the material transporting bin 91, and the main water pipe 911 is arranged along the length direction of the material transporting bin; a plurality of water delivery branch pipes 912 are uniformly and alternately arranged on the water delivery main pipe 911 along the axial direction, and the water delivery branch pipes 912 are arranged along the width direction of the material conveying bin 91; a plurality of water outlet nozzles 910 are uniformly arranged on each water delivery branch pipe 912 along the axial direction at intervals, and the water outlet directions of the water outlet nozzles 910 are vertical upwards.
The upper spraying assembly comprises a plurality of spraying pipes 95, and the spraying pipes 95 are uniformly arranged at intervals along the length direction of the material conveying bin 91; the spray pipe 95 is arranged along the width direction of the material conveying bin 91; a plurality of spray nozzles 94 are arranged on each spray pipe 95, and the plurality of spray nozzles 94 are uniformly arranged at intervals along the length direction of the spray pipes 95; the spray nozzles 94 spray water in a downward direction.
The shower 95 and the main water pipe 911 are both connected to the wash water system.
The overflow discharge gate 914 has been seted up at the right-hand member middle part of fortune feed bin 91, the slope of the fortune feed bin 91 lateral wall below overflow discharge gate 914 sets up.
The blowing unit blows the cotton material in the material conveying bin 91 from one end to the other end; the blowing unit is arranged at the bottom of the material conveying bin 91; the blowing unit comprises a gas transmission main pipe 97, the gas transmission main pipe 97 is arranged along the length direction of the material conveying bin 91, and the gas transmission main pipe 97 comprises a horizontal section and an inclined section arranged at the right end of the horizontal section; the inclined section is arranged along the inclined side wall of the material conveying bin; the gas transmission main pipe 97 is provided with gas transmission branch pipes 98 at intervals along the axial direction, and the gas transmission branch pipes 98 and the water transmission branch pipes 912 arranged on the horizontal section of the gas transmission main pipe 97 are alternately arranged.
A plurality of first blowing nozzles 99 are axially and uniformly arranged on the gas transmission branch pipe 98 arranged on the inclined section of the gas transmission main pipe 97 at intervals; a plurality of second blowing nozzles 913 are axially and uniformly arranged on the gas transmission branch pipe 98 arranged on the horizontal section of the gas transmission main pipe 97 at intervals; the second blowing nozzle 913 blows air in the same direction as the first blowing nozzle 99, and blows air to the upper right.
The gas transmission main pipe 97 is communicated with a gas source system.
A discharge plate 915 is arranged on the outer side of the overflow discharge port 914, and the discharge plate 915 is arranged in a downward inclined manner; the discharge plate 915 extends into the washer 5 to feed the pre-cleaned cotton material into the washer for washing.
Pneumatic fortune feed bin 9 during operation, cotton material after the degreasing and dewaxing reaction is sent into in the fortune feed bin 91 through conveyer belt 92, go up the spray assembly and wash the subassembly down and wash the cotton material in advance from upper portion and lower part respectively, in the cleaning process, blow through a plurality of second blowing nozzle 913 upper right side, make the cotton material float in fortune feed bin and make it remove to overflow discharge gate 914 department from a left side right side, then blow down at first blowing nozzle 99, make the cotton material remove to the play flitch 915 that the slope set up through overflow discharge gate on, then along the free landing of play flitch to the meshbelt of pulp washer 5.
The pneumatic conveying bin 9 can be used for pre-washing the degreased and dewaxed materials, and the pre-washed materials enter the pulp washer 5 for washing treatment, so that the sewage amount in the production process can be reduced, the energy conservation and emission reduction are realized, the sewage treatment cost is reduced, and the production cost is greatly reduced.
A continuous absorbent cotton production process comprises the following steps:
s1 Cotton opening treatment
Opening the raw material cotton in an opener 1;
s2 Cotton finishing
Conveying the cotton after opening to a mixed cotton spreading machine 2 to be arranged into a quilt shape;
s3 immersion treatment
Conveying the cotton quilt-shaped cotton materials after finishing to a liquid medicine mixer 3, and mixing and soaking the cotton quilt-shaped cotton materials with an alkaline oxidant conveyed from a mixed medicine tank 8 in the liquid medicine mixer 3;
s4 steaming and bleaching treatment
The cotton material dipped with the alkaline oxidant is scattered by a scattering device and is further conveyed to a continuous steaming and bleaching machine 4 for steam heating, and degreasing and dewaxing treatment is carried out;
s5 washing treatment
The materials after the degreasing and dewaxing treatment are aerated and washed by a pneumatic material conveying bin and uniformly enter a pulp washer 5 for washing treatment;
s6 drying treatment
The washed cotton material enters a drying combination machine 6 for drying treatment;
s7 packaging processing
And packaging the dried cotton material in a packaging machine 7 to obtain the absorbent cotton.
The process is characterized in that the cotton is pretreated by a pretreatment device before opening treatment, and the pretreatment comprises the step of removing impurity particles in raw cotton.
The raw material cotton is one or a combination of more of noil, velveteen and noil in a textile mill.
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 2mm;10g of absorbent cotton can absorb more than 240g of water 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 24g.
The quilt-shaped materials finished by the mixed cotton spreading machine 2 have the thickness of 15-30mm and the width of 2.6-2.8m.
In the mixing and dipping process in the liquid medicine mixer 3, the cotton quilt is soaked by the alkaline oxidant, and the mass ratio of the chemical agent to the cotton is kept between 1.0 and 2.0.
The foregoing is illustrative of the best mode of the invention and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent changes based on the technical teaching of the present invention are also within the protection scope of the present invention.
Claims (8)
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 degreased and dewaxed materials;
the continuous steaming and bleaching machine (4) is arranged at the feed end of the pneumatic conveying bin (9), the feed end of the continuous steaming and bleaching machine (4) is provided with a liquid medicine mixer (3),
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 continuous steaming and bleaching machine (4) comprises a steaming and bleaching box (49), three layers of conveying mesh belts are sequentially arranged in the steaming and bleaching box (49) at intervals from top to bottom, the three layers of conveying mesh belts are S-shaped to convey materials, and a cotton feeding curtain (41) is arranged at the feed end of the upper layer of 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;
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.
2. The continuous type cotton wool production device of claim 1, wherein: a mixing cotton spreading machine (2) and a cotton opener (1) are arranged at the feed end of the liquid medicine mixing machine (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 type cotton wool production device of 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 type cotton wool production device of claim 1, wherein: 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 mixed cotton spreading machine (2) comprises a cotton conveying 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 is conveyed out by the cotton stripping beater (27) to be secondarily loosened and mixed.
6. A continuous absorbent cotton production process is characterized in that: the production process is applied to the production device as claimed in any one of claims 1 to 5, and comprises an impregnation treatment, wherein the quilt-shaped material is mixed and impregnated 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.
7. The continuous absorbent cotton production process of claim 6, 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 2.6-2.8m;
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.
8. The continuous absorbent cotton production process of claim 6, 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 2mm;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 24g;
in the dipping treatment process, the cotton quilt is soaked by alkaline oxidant, and the mass ratio of the chemical agent to the cotton is kept between 1.0 and 2.0.
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| CN202010752361.7A CN111826860B (en) | 2020-07-30 | 2020-07-30 | Continuous absorbent cotton production device and process |
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| CN202010752361.7A CN111826860B (en) | 2020-07-30 | 2020-07-30 | Continuous absorbent cotton production device and process |
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| CN111826860A CN111826860A (en) | 2020-10-27 |
| CN111826860B true CN111826860B (en) | 2022-10-04 |
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| CN113430743B (en) * | 2021-07-08 | 2023-08-11 | 重庆市戏水族服饰科技有限公司 | Silk cotton processing equipment based on intelligent spinning |
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| JP2002138365A (en) * | 2000-10-30 | 2002-05-14 | Kakui Kk | Method for refining cotton material and method for manufacturing absorbent cotton |
| JP2005060856A (en) * | 2003-08-08 | 2005-03-10 | Marusan Industrial Co Ltd | Cotton pad for bedding material or clothing material |
| CN106637665A (en) * | 2017-01-18 | 2017-05-10 | 恒天嘉华非织造有限公司 | Online continuous production process of degreased cotton spunlace nonwoven fabric |
| CN108547079A (en) * | 2018-06-08 | 2018-09-18 | 北京鹏盛天纤科技有限公司 | A kind of absorbent cotton green continous way production integrating device and technique |
| CN109112741A (en) * | 2018-07-26 | 2019-01-01 | 陈剑璋 | A kind of degreasing equipment of medical absorbent cotton |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1096109A (en) * | 1976-06-18 | 1981-02-24 | William A. Rearick | Treatment of textile materials |
| JP2002138365A (en) * | 2000-10-30 | 2002-05-14 | Kakui Kk | Method for refining cotton material and method for manufacturing absorbent cotton |
| JP2005060856A (en) * | 2003-08-08 | 2005-03-10 | Marusan Industrial Co Ltd | Cotton pad for bedding material or clothing material |
| CN106637665A (en) * | 2017-01-18 | 2017-05-10 | 恒天嘉华非织造有限公司 | Online continuous production process of degreased cotton spunlace nonwoven fabric |
| CN108547079A (en) * | 2018-06-08 | 2018-09-18 | 北京鹏盛天纤科技有限公司 | A kind of absorbent cotton green continous way production integrating device and technique |
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