CN215879013U

CN215879013U - Device for improving cleaning degree of bamboo chips

Info

Publication number: CN215879013U
Application number: CN202121475220.1U
Authority: CN
Inventors: 李文俊
Original assignee: Chongqing Liwen Pulping Co ltd
Current assignee: Chongqing Liwen Pulping Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-22
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to the technical field of bamboo chip papermaking, and particularly discloses a device for improving the cleanliness of bamboo chips, which comprises a drum-type washing machine, wherein the drum-type washing machine comprises a washing chamber, two rotating shafts are rotatably connected in the washing chamber, stirring blades are fixedly arranged on the rotating shafts, a filter screen is arranged below the stirring blades, a deslagging pipe is arranged below the washing chamber, a mounting groove is formed in the washing chamber, a filter mechanism is arranged in the mounting groove, the filter mechanism comprises a support frame pivoted in the mounting groove, the rotating shaft center of the support frame and the stirring shaft are coaxial, a filter screen bag is detachably connected on the support frame, and a through hole for allowing an object to pass through is formed in the support frame; according to the utility model, the two groups of stirring blades are arranged in the washing chamber, so that the bamboo chips can be washed for multiple times, and the cleanness of the bamboo chips is improved.

Description

Device for improving cleaning degree of bamboo chips

Technical Field

The utility model relates to the technical field of bamboo chip papermaking, and particularly discloses a device for improving the cleanliness of bamboo chips.

Background

In the papermaking industry, bamboo chips are often used as raw materials of paper, and the cleaning of the bamboo chips in the papermaking process flow is an important step, and during cleaning, dirt on the surfaces of the crushed bamboo chips needs to be cleaned, and meanwhile stones and iron wires carried in the bamboo chips can influence the normal operation of equipment, so that the service life of the equipment is shortened; and the quality of the bamboo pulp can be affected if the impurities such as woven bags, bamboo scraps and the like are not removed. .

In order to solve the problems, the prior art discloses a Chinese patent with publication number of CN204338505U, a drum-type wood chip washing device for washing clean wood chips comprises a funnel-shaped washing tank, a drum-type sundry separator is arranged in the washing tank, a wood chip feeding hole is formed in the top of the washing tank, a sundry outlet is formed in the bottom of the washing tank, a sundry collector is arranged below the sundry outlet, a circulating water inlet is formed in the side wall of the lower portion of the washing tank, a wood chip conveying cylinder is arranged on the side of the washing tank and communicated with the washing tank through a wood chip conveying channel, washing water is contained in the washing tank, the drum-type sundry separator is immersed in the washing water, the liquid level of the washing water is higher than the bottom wall of the wood chip conveying channel, a rotatable wood chip dehydration conveying screw rod is arranged in the wood chip conveying cylinder along the axial direction of the wood chip dehydration conveying screw rod, and a sieve plate is arranged on the lower portion of the wood chip dehydration conveying screw rod along the axial direction of the wood chip conveying cylinder; this prior art adopts rotary drum washing device to wash the tablet, can effectually wash tablet surface adhesion's spot, and can effectively get rid of debris such as cobblestone, iron wire that mix with in the bamboo chip, but the light impurity of texture such as braided bag piece, bamboo bits that mix with in the bamboo chip can not subside in the bottom of wash tank in the washing process to lead to tablet impurity to clear away the poor problem of effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for improving the cleanliness of bamboo chips, and aims to solve the problem that impurities cannot be removed from light impurities by a tablet cleaning device in the prior art, so that the tablet impurity removal effect is poor.

In order to achieve the purpose, the technical scheme of the utility model provides a device for improving the cleanliness of bamboo chips, which comprises a drum-type washing machine, wherein the drum-type washing machine comprises a washing chamber, two rotating shafts are rotatably connected in the washing chamber, a plurality of stirring blades are fixedly arranged on the rotating shafts, a filter screen is fixedly arranged below the stirring blades, a slag discharge pipe is arranged below the washing chamber, a slag discharge valve is arranged on the slag discharge pipe, a mounting groove is formed in the washing chamber, a filter mechanism is arranged in the mounting groove, the filter mechanism comprises a support frame pivoted in the mounting groove, the rotating axis of the support frame is coaxial with a stirring shaft, a filter mesh bag is detachably connected on the support frame, a through hole for allowing objects to pass through is formed in the support frame, a feed hopper is fixedly arranged at the upper part of the washing chamber, a water inlet pipe is arranged at one side of the washing chamber, and a discharge hole is formed in the other side of the washing chamber.

The technical principle of the scheme is as follows: two rotating shafts are arranged in the washing chamber, so that the two groups of stirring blades can clean the bamboo chips in the washing chamber, the stirring effect of the bamboo chips in the washing chamber is good, the bamboo chips can be cleaned in the washing chamber for multiple times, the cleaning effect is better, heavy impurities such as stones and iron wires are settled under the action of gravity in the moving washing process of the bamboo chips in the washing chamber under the stirring of the stirring blades, the heavy impurities are accumulated at the bottom of the washing chamber through a filter screen, and the impurities are discharged out of the device by periodically opening a slag discharge pipe and a slag discharge valve; stirring vane stirs the bamboo chip when wasing, the braided bag, light impurity such as bamboo bits can be close to the inner wall of washing room because centrifugal action, the rotation of support frame in the mounting groove rotates with the same axial of (mixing) shaft, make one side of support frame and the cell wall of mounting groove form the opening, hold water and light impurity to pass through, and enter into the filter screen bag through the opening, and the opposite side of support frame forms with the opposite side of mounting groove and closes the mouth, can prevent that the impurity in the filter screen bag from being washed out again, thereby get rid of light impurity, improve the clean degree of bamboo chip, the inlet tube is arranged in to water injection in the washing room, the feeder hopper is arranged in to the washing room unloading.

The technical effect of the scheme is as follows: compared with the prior art, the water washing chamber is internally provided with the two groups of rotating shafts and the two groups of stirring blades, so that the water body and the bamboo chips are good in stirring effect in the water washing chamber, the bamboo chips can be washed for multiple times when being washed in the water washing chamber, the washing cleanliness of the bamboo chips is improved, and the filtering mechanism is arranged on the inner wall of the water washing chamber, so that the filtering mesh bag can collect light impurities such as woven bags and bamboo chips, the impurities in the bamboo chips are further removed, the washing cleanliness of the bamboo chips can be further improved, and the pulping quality of the bamboo chips is ensured.

Further, discharge gate department is equipped with the spiral hydroextractor, and the spiral hydroextractor is two spiral hydroextractor, and the feed end and the discharge gate intercommunication of two spiral hydroextractor, two spiral hydroextractor include pipeline and frame, and pipeline fixed mounting rotates in the pipeline and installs two pivots in the frame, all installs in the pivot and two helical blade, still fixed mounting has the motor in the frame, the output and the pivot fixed connection of motor. .

Has the advantages that: the double-screw dehydrator is used for dehydrating the bamboo chips, adopts double-screw blades, increases the feeding amount in unit time, improves the dehydration efficiency, and adopts double-shaft squeezing to improve the dehydration strength of the bamboo chips, so that the dryness of the bamboo chips is improved.

Furthermore, the rotating direction of the support frame is perpendicular to the rotating direction of the stirring blades.

Has the advantages that: stirring vane drives the water and rotates, and when the water rotated, the support frame rotated to water pivoted direction for the water can get into the filter screen bag rather than the light impurity of carrying in, and when the support frame rotated to water pivoted direction simultaneously, the support frame formed with the mounting groove and was closed, prevented that impurity from being washed out the filter screen bag.

Furthermore, the filtering mechanism is provided with a plurality of groups.

Has the advantages that: the multiple groups of filtering mechanisms increase the collecting area of the filtering net bags for collecting light impurities, and further improve the cleanness degree of the bamboo chips.

Furthermore, a plurality of leaching spray heads are arranged in the water scrubbing chamber.

Has the advantages that: the leaching shower nozzle can wash the bamboo chip, and the washing efficiency of bamboo chip is improved to the stirring washing of cooperation stirring vane.

Furthermore, a plurality of through holes are formed in the stirring blade.

Has the advantages that: the through-hole reduces the resistance to rotation of the rotating shaft.

Drawings

FIG. 1 is a front sectional view of the device for improving the cleanliness of bamboo chips of the present invention;

FIG. 2 is a schematic structural view of a supporting frame of the device for improving the cleanliness of bamboo chips according to the present invention;

fig. 3 is a schematic structural diagram of a supporting frame and a filtering mesh bag of the device for improving the cleanliness of bamboo chips.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a drum type washing machine 1, a washing chamber 2, a rotating shaft 3, stirring blades 4, a filter screen 5, a slag discharge pipe 6, a slag discharge valve 7, a mounting groove 8, a support frame 9, a filter screen bag 10, a leaching spray head 11, a feed hopper 12, a discharge port 13, a double-helix dehydrator 14, a conveying pipeline 15, a rack 16, a rotating shaft 17, a double-helix blade 18, a dehydrator discharge port 19, a sewage discharge port 20 and a motor 21.

Examples are shown in FIGS. 1-3: a device for improving the cleanliness of bamboo chips comprises a drum-type washing machine 1, wherein the drum-type washing machine 1 comprises a washing chamber 2, two rotating shafts 3 are rotatably connected in the washing chamber 2, a plurality of stirring blades 4 are fixedly installed on the rotating shafts 3, a plurality of through holes are formed in the stirring blades 4, a filter screen 5 is fixedly installed below the stirring blades 4, a slag discharge pipe 6 is arranged below the washing chamber 2, a slag discharge valve 7 is arranged on the slag discharge pipe 6, an installation groove 8 is formed in the side wall of the washing chamber 2, a filter mechanism is arranged in the installation groove 8 and comprises a support frame 9 rotatably installed in the installation groove 8, the rotating direction of the support frame 9 is vertical to the rotating direction of the stirring blades 4, a filter screen bag 10 is slidably connected on the support frame 9, a plurality of leaching nozzles 11 are installed in the washing chamber 2, a feed hopper 12 is fixedly installed at the upper part of the washing chamber 2, a water inlet pipe is arranged on one side of the washing chamber 2, the other side of the washing chamber 2 is provided with a discharge hole; discharge gate department is equipped with double-screw dehydrator 14, double-screw dehydrator 14's feed end and discharge gate intercommunication, double-screw dehydrator 14 includes pipeline 15 and frame 16, pipeline 15 fixed mounting is in frame 16, two pivot 17 are installed in the rotation in pipeline 15, install double helical blade 18 in the pivot 17, be equipped with dehydrator discharge gate 19 on pipeline 15, still be equipped with drain 20 on pipeline 15, still fixed mounting has motor 21 in the frame 16, motor 21's output and pivot 17 fixed connection.

The specific implementation mode is as follows:

firstly, an operator puts the bamboo chips into the washing chamber 2 through the feed hopper 12, opens the shower nozzle 11, the bamboo chips are preliminarily cleaned to moisten and soften stains on the surfaces of the bamboo chips, then a water inlet pipe is opened to inject water into the water washing chamber 2, then the rotating shaft 3 is started, the stirring blades 4 are used for stirring and cleaning the bamboo chips, because the rotating direction of the supporting frame 9 is vertical to the rotating direction of the stirring blades 4, when the water body is driven by the stirring blades 4 to rotate in the washing chamber 2, the supporting frame 9 can also rotate towards the direction of the rotation of the water body, the upper part of the supporting frame 9 and the upper part of the mounting groove 8 form an opening, the water body and light impurities carried by the water body enter the filter mesh bag 10 from the through opening on the supporting frame 9, at the moment, the lower parts of the supporting frame 9 and the mounting groove 8 form a closed opening to prevent impurities from rushing out of the filter mesh bag 10 again, and the filtration of light impurities is finished; the bamboo chips move and are washed in the washing chamber 2 under the stirring of the stirring blades 4, in the process, heavy impurities such as cobbles, iron wires and the like are settled under the action of gravity, are accumulated at the bottom of the washing chamber 2 through the filter screen 5, and impurities are discharged from the device by periodically opening the slag discharge pipe 6 and the slag discharge valve 7; after the washing is finished, the discharge hole 13 is opened, the bamboo chips and the sewage enter the double-screw dehydrator 14, the double-screw blades 18 extrude the bamboo chips simultaneously in the process of carrying out rotary transmission on the bamboo chips, the moisture in the bamboo chips is squeezed out, the bamboo chips are discharged out of the double-screw dehydrator 14 through the sewage discharge hole 20, and the squeezed bamboo chips are discharged out through the dehydrator discharge hole 19 to carry out the next process.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A device for improving the cleanliness of bamboo chips comprises a drum type washing machine and is characterized in that: the drum-type rinsing machine includes the washing room, rotates in the washing room to be connected with two axis of rotation, and fixed mounting has a plurality of stirring vane in the axis of rotation, and stirring vane's below fixed mounting has the filter screen, the below of washing room is equipped with the scum pipe, is equipped with the sediment valve on the scum pipe, and it has the mounting groove to open in the washing room, is equipped with filtering mechanism in the mounting groove, and filtering mechanism includes the support frame of pin joint in the mounting groove, and the pivoted axle center and the (mixing) shaft of support frame are coaxial, can dismantle on the support frame and be connected with the filter screen bag, open on the support frame to have the opening that holds the object and pass through, and the upper portion fixed mounting of washing room has the feeder hopper, and one side of washing room is equipped with the inlet tube, and the opposite side of washing room is equipped with the discharge gate.

2. An apparatus as claimed in claim 1, wherein the apparatus further comprises: discharge gate department is equipped with the spiral hydroextractor, and the spiral hydroextractor is double-screw hydroextractor, and the feed end and the discharge gate intercommunication of double-screw hydroextractor, double-screw hydroextractor includes pipeline and frame, and pipeline fixed mounting rotates in the pipeline and installs two pivots in the frame, all installs and double helical blade in the pivot, and still fixed mounting has the motor in the frame, the output and the pivot fixed connection of motor.

3. An apparatus as claimed in claim 1, wherein the apparatus further comprises: the rotating direction of the support frame is vertical to the rotating direction of the stirring blades.

4. An apparatus as claimed in claim 1, wherein the apparatus further comprises: the filtering mechanism is provided with a plurality of groups.

5. An apparatus as claimed in claim 1, wherein the apparatus further comprises: and a plurality of leaching spray heads are arranged in the water scrubbing chamber.

6. An apparatus as claimed in claim 1, wherein the apparatus further comprises: and the stirring blade is provided with a plurality of through holes.