CN118719234A - A method for separating and recycling unqualified medical absorbent pads - Google Patents
A method for separating and recycling unqualified medical absorbent pads Download PDFInfo
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- CN118719234A CN118719234A CN202410901098.1A CN202410901098A CN118719234A CN 118719234 A CN118719234 A CN 118719234A CN 202410901098 A CN202410901098 A CN 202410901098A CN 118719234 A CN118719234 A CN 118719234A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B02C13/284—Built-in screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
- B02C2013/28609—Discharge means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The separation and recovery method of the unqualified medical absorption pad adopts a separation and recovery device of the unqualified medical absorption pad, and the separation and recovery device of the unqualified medical absorption pad comprises a crushing machine case, a crushing mechanism, a screen separator, a wood pulp cotton collecting cavity, a crushing driving device, an absorption bag fragment collecting box, a communication mechanism, a negative pressure suction device, a fiber separator and a second centrifugal fan; according to the invention, the medical absorption pad is hammered through the inertia of the hammering plate, the absorption bag is hammered and damaged, wood pulp cotton is easier to be powder after being knocked, and the wood pulp cotton and the absorption bag can be separated for the first time through the screen; and then the negative pressure suction device is used for conveying the fragments of the absorption bag into the fiber separator, the fragments of the absorption bag are mixed with unscreened wood pulp cotton, and the fiber separator is used for carrying out secondary separation and recovery.
Description
Technical Field
The invention belongs to the technical field of novel medical materials and preparation, and particularly relates to a separation and recovery method of an unqualified medical absorption pad.
Background
As shown in fig. 8 and 9, the medical absorbent pad comprises three layers of non-woven fabrics, a polymer absorption layer is arranged in the middle of the non-woven fabrics, the non-woven fabrics and the polymer absorption layer are arranged in an absorption bag, one side of the absorption bag is made of water permeable fabric, and the other side of the absorption bag is made of water repellent fabric. The raw materials of the non-woven fabrics and the macromolecule absorbing layer are wood pulp cotton, and if the unqualified medical absorbing pad is discarded as a whole, the waste of the wood pulp cotton is easily caused, so the wood pulp cotton is recovered.
The traditional recovery mode of the medical absorbent pad adopts a manual stripping mode, but the method has higher labor cost and low efficiency, and no special equipment for recovering wood pulp cotton in the unqualified medical absorbent pad exists at present.
In addition, the biggest problem of recycling wood pulp cotton by adopting equipment is that: at present, a mechanism for crushing the medical absorption pad does not exist, and a traditional blade crushing mechanism is adopted, so that the medical absorption pad is easily crushed into powder, and the recovered wood pulp cotton is doped with absorption bag powder and cannot be reused.
Disclosure of Invention
In view of the technical problems in the background art, according to the separation and recovery method for the unqualified medical absorbent pad, the medical absorbent pad is hammered through the hammer plate inertia, the absorbent bag can be hammered and damaged, wood pulp cotton is easier to be powdered after being knocked, and the wood pulp cotton and the absorbent bag can be separated for the first time through the screen; and then the negative pressure suction device is used for conveying the fragments of the absorption bag into the fiber separator, the fragments of the absorption bag are mixed with unscreened wood pulp cotton, and the fiber separator is used for carrying out secondary separation and recovery.
In order to solve the technical problems, the invention adopts the following technical scheme:
The separation and recovery method of the unqualified medical absorption pad adopts a separation and recovery device of the unqualified medical absorption pad, and the separation and recovery device of the unqualified medical absorption pad comprises a crushing machine case, a crushing mechanism, a screen separator, a wood pulp cotton collecting cavity, a crushing driving device, an absorption bag fragment collecting box, a communication mechanism, a negative pressure suction device, a fiber separator and a second centrifugal fan;
the separation and recovery method comprises the following steps:
S1: the unqualified medical absorption pad is put into a crusher case, a second centrifugal fan is started, a crushing driving device is started to drive a crushing mechanism to rotate, the rotating speed of a driving motor is controlled, and the rotating speed of a central rotating shaft reaches N;
s2: the auxiliary shaft rotates around the central rotating shaft, the auxiliary shaft rotates along with the hammering plate, when the hammering plate impacts an object to be hit, the linear speed of the hammering plate changes, and the hammering plate can freely rotate around the auxiliary shaft, so that the hammering plate can hit and break the object to be hit;
S3: when the non-woven fabrics and the macromolecule absorption layer in the medical absorption pad are hammered into wood pulp cotton powder, the wood pulp cotton powder is separated to the wood pulp cotton collecting cavity through the screen separator to complete the first separation, the second centrifugal fan directly conveys the wood pulp cotton powder into a recovery bag or other storage equipment under negative pressure, and the absorption bag on the outer layer of the absorption pad is hammered into fragments and is positioned above the screen separator;
s4: when the crushing time reaches T seconds, a communication mechanism is started to conduct the fragment collecting box of the absorption bag with the crushing cavity, a negative pressure suction device and a fiber separator are started, and the negative pressure suction device provides negative pressure for the fragment collecting box, wherein the negative pressure value is P;
S5: the negative pressure suction device pumps the fragments of the absorption bag to the fiber separator, and the fiber separator carries out secondary separation and recovery on wood pulp cotton powder; when the operation time of the negative pressure suction device reaches T, the negative pressure suction device is closed, the communication mechanism is controlled to act, and the absorption bag fragment collecting box is isolated from the crushing cavity; namely, separation and recovery of the unqualified medical absorption pad are realized;
repeating the steps S1-S5, and separating and recovering unqualified medical absorbent pads for multiple times.
Preferably, a screen separator is arranged in the crusher case, the screen separator divides the crusher case into a crushing cavity and a wood pulp cotton collecting cavity, a crushing mechanism is arranged in the crushing cavity, and the crushing mechanism is driven by a crushing driving device; an absorption bag fragment collecting box is arranged beside the crusher case, the absorption bag fragment collecting box is connected with the crushing cavity through a communication mechanism, and the absorption bag fragment collecting box is connected with a negative pressure suction device.
Preferably, the suction device is connected to the fiber separator.
Preferably, the negative pressure suction device comprises a first centrifugal fan, the input end of the first centrifugal fan is communicated with the absorption bag debris collection box, and the output end of the first centrifugal fan is used for being communicated with the input end of the fiber separator; the outside of the wood pulp cotton collecting cavity is provided with a second centrifugal fan, the input end of the second centrifugal fan is communicated with the wood pulp cotton collecting cavity, and the output end of the second centrifugal fan is communicated with the wood pulp cotton storage equipment.
Preferably, the communication mechanism comprises a revolving door, one end of the revolving door is hinged with the supporting plate, the other end of the revolving door is connected with the edge of the screen separator in a contact manner, the supporting plate is connected with the inner walls of two sides of the crushing cavity, the outer wall of the revolving door is provided with a first lug plate, the first lug plate is hinged with the air cylinder, the other end of the air cylinder is hinged with the second lug plate, and the second lug plate is connected with the top of the crushing cavity.
Preferably, the crushing mechanism comprises a central rotating shaft, the crushing driving device is used for driving the central rotating shaft to rotate, the central rotating shaft is connected with the auxiliary shaft through a supporting piece, and the auxiliary shaft is connected with a hammering plate.
Preferably, the number of the auxiliary shafts is multiple, the auxiliary shafts are all arranged in parallel with the central rotating shaft, the auxiliary shafts are annularly arranged around the central rotating shaft, a plurality of hammering plates are hinged to each auxiliary shaft, and the hammering plates on two adjacent auxiliary shafts are staggered.
Preferably, the support comprises a support disc arranged perpendicular to the central rotation axis; the number of the supporting disks is multiple, and the supporting disks are linearly arranged along the axis direction of the central rotating shaft; the auxiliary shaft is hinged with the supporting disc; the length of the hammering plate is smaller than the interval between the auxiliary shaft and the central rotating shaft; the auxiliary shaft is provided with a plurality of annular grooves, and the hammering plate is sleeved on the annular grooves.
The following beneficial effects can be achieved in this patent:
The crushing mechanism is driven to rotate by the crushing driving device, the medical absorption pad is hammered through the hammer plate inertia, the absorption bag can be hammered and damaged, wood pulp cotton is easier to be powder after being knocked, the crushing driving device stops after running for a period of time, and the communication mechanism acts, and the negative pressure suction device and the fiber separator are used for realizing the purpose of crushing the wood pulp cotton. The medical absorption pad separation and recovery device provided by the invention replaces the traditional manual stripping and recovery, has high recovery efficiency and reduces the labor cost.
According to the technical scheme, the medical absorption pad is hammered through the hammer plate inertia, the absorption bag is hammered and damaged, wood pulp cotton is easier to be powder after being knocked, and the wood pulp cotton and the absorption bag can be separated for the first time through the screen; and then the negative pressure suction device is used for conveying the fragments of the absorption bag into the fiber separator, the fragments of the absorption bag are mixed with unscreened wood pulp cotton, and the fiber separator is used for carrying out secondary separation and recovery. The wood pulp cotton is separated and recovered twice, and the recovery effect is good.
The invention overcomes the defects of the traditional blade breaking mechanism, the medical absorption pad is hammered by the hammer plate in an inertial mode, the absorption bag can be hammered and broken, wood pulp cotton is easier to be powdered after being knocked, and the wood pulp cotton and the absorption bag can be separated through the screen.
Each hammering plate is mutually independent, and hits articles in the rotation range, so that the hammering plate is wide in coverage and high in crushing efficiency.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a diagram showing a connection structure between a crusher case and a fragment collecting box of an absorption bag according to the present invention, wherein a revolving door is not opened;
FIG. 3 is a diagram showing a connection structure between a crusher case and a fragment collecting box of an absorption bag according to the present invention, wherein a revolving door is opened;
FIG. 4 is a view in the direction A of FIG. 2;
FIG. 5 is a three-dimensional block diagram of a crushing mechanism of the present invention;
FIG. 6 is a three-dimensional block diagram of a crushing mechanism of the present invention;
FIG. 7 is a front view of a secondary shaft of the present invention;
FIG. 8 is a top view of a prior art medical absorbent pad of the present invention;
fig. 9 is a view showing the internal structure of the conventional medical absorbent pad according to the present invention.
In the figure: the crushing machine comprises a crushing machine case 1, a crushing mechanism 2, a central rotating shaft 21, a countershaft 22, an annular groove 22.1, a hammering plate 23, a supporting disk 24, a screen separator 3, a wood pulp cotton collecting cavity 4, a crushing driving device 5, an absorbing bag fragment collecting box 6, a communicating mechanism 7, a rotating door 71, a supporting plate 72, an air cylinder 73, a negative pressure suction device 8, a fiber separator 9, a second centrifugal fan 10, an absorbing bag 11 and a macromolecule absorbing layer 12.
Detailed Description
The preferable scheme is as shown in fig. 1 to 7, and a method for separating and recovering unqualified medical absorbent pads is adopted, and the specific structure of the unqualified medical absorbent pad separating and recovering device is as follows:
The wood pulp cotton crusher comprises a crusher case 1, wherein a screen separator 3 is arranged in the crusher case 1, the crusher case 1 is divided into a crushing cavity and a wood pulp cotton collecting cavity 4 by the screen separator 3, a crushing mechanism 2 is arranged in the crushing cavity, and the crushing mechanism 2 is driven by a crushing driving device 5; an absorption bag fragment collecting box 6 is arranged beside the crusher case 1, the absorption bag fragment collecting box 6 is connected with the crushing cavity through a communication mechanism 7, and the absorption bag fragment collecting box 6 is connected with a negative pressure suction device 8. The screen separator 3 is a concave structure formed by three screens, and the screen separator 3 is used for screening out powdery wood pulp cotton. The suction device 8 sucks the absorbent bag fragments out of the crushing chamber.
Further, the negative pressure suction device 8 is connected to a fiber separator 9. The negative pressure suction device 8 conveys the absorbent bag fragments to the fiber separator 9, the absorbent bag fragments are mixed with the wood pulp cotton powder, the fiber separator 9 performs secondary separation, and the wood pulp cotton powder is compressed.
Further, the negative pressure suction device 8 comprises a first centrifugal fan, the input end of which is in communication with the absorbent bag debris collection box 6, and the output end of which is arranged to be in communication with the input end of the fiber separator 9. The first centrifugal fan sucks the absorbent bag chips in the crushing chamber into the absorbent bag chip collection box 6 by negative pressure and transports them to the fiber separator 9.
Further, the outside of the wood pulp cotton collecting cavity 4 is provided with a second centrifugal fan 10, the input end of the second centrifugal fan 10 is communicated with the wood pulp cotton collecting cavity 4, and the output end of the second centrifugal fan 10 is used for being communicated with wood pulp cotton storage equipment.
Further, the communication mechanism 7 comprises a revolving door 71, one end of the revolving door 71 is hinged with a supporting plate 72, the other end of the revolving door 71 is connected with the edge of the screen separator 3 in a contact manner, the supporting plate 72 is connected with the inner walls of two sides of the crushing cavity, a first lug plate is arranged on the outer wall of the revolving door 71 and is hinged with an air cylinder 73, the other end of the air cylinder 73 is hinged with a second lug plate, and the second lug plate is connected with the top of the crushing cavity. As shown in fig. 2 and 3, the cylinder 73 stretches to open and close the revolving door 71.
Further, the crushing drive 5 comprises a drive motor which drives the crushing mechanism 2 to operate via a pulley and a belt. The driving motor drives the central rotating shaft 21 to rotate.
Further, the crushing mechanism 2 comprises a central rotating shaft 21, the crushing driving device 5 is used for driving the central rotating shaft 21 to rotate, the central rotating shaft 21 is connected with a secondary shaft 22 through a supporting piece, and a hammering plate 23 is connected to the secondary shaft 22. In the technical scheme, a central rotating shaft 21 is fixedly connected with a supporting piece, and the supporting piece is hinged or fixedly connected with a countershaft 22. When the support member is hinged to the auxiliary shaft 22, the hammering member is fixedly connected or hinged to the auxiliary shaft 22. When the support member is fixedly connected with the auxiliary shaft 22, the hammering member is hinged with the auxiliary shaft 22. The central rotating shaft 21 is driven to rotate by a motor of the crushing driving device 5, and the central rotating shaft 21 rotates to drive the hammering piece to rotate.
Further, the number of the auxiliary shafts 22 is multiple, the auxiliary shafts 22 are all parallel to the central rotating shaft 21, the auxiliary shafts 22 are annularly arranged around the central rotating shaft 21, a plurality of hammering plates 23 are hinged to each auxiliary shaft 22, and the hammering plates 23 on two adjacent auxiliary shafts 22 are staggered. The hammering plate 23 is rotatable around the auxiliary shaft 22.
Further, the support comprises a support disc 24, said support disc 24 being arranged perpendicular to the central rotation axis 21; the number of the supporting disks 24 is plural, and the plurality of supporting disks 24 are linearly arranged along the axial direction of the central rotating shaft 21; the auxiliary shaft 22 is hinged with the supporting disc 24; the length of the hammering plate 23 is smaller than the interval between the auxiliary shaft 22 and the central rotating shaft 21; the auxiliary shaft 22 is provided with a plurality of annular grooves 22.1, and the hammering plate 23 is sleeved on the annular grooves 22.1.
Preferably the number of layshafts 22 is three, with six hammers on each layshaft 22. The plurality of auxiliary shafts 22 are each disposed in parallel with the center rotary shaft 21. This design makes the whole crushing mechanism relatively symmetrical, relatively balanced in rotation, and the hammer length can be set to be the same length. The number of support disks 24 is preferably four, with four support disks 24 forming three compartments.
Preferably the secondary shaft 22 is hingedly arranged to the support disc 24 as is preferred in the present solution. The length of the hammering plate 23 is smaller than the distance between the secondary shaft 22 and the central rotating shaft 21. While the length of the hammering plate 23 is smaller than the distance between two adjacent auxiliary shafts 22, the purpose of which is to enable the hammering plate 23 to freely rotate around the auxiliary shafts 22 without striking the auxiliary shafts 22.
The present embodiment provides a structure for the auxiliary shaft 22, that is, the auxiliary shaft 22 is provided with a plurality of annular grooves 22.1, and the hammering plate 23 is sleeved on the annular grooves 22.1. In addition to the present embodiment, a structure may be adopted in which a damper is added to the auxiliary shaft 22, and the hammering plate 23 is installed between the two dampers.
The working principle of the whole device is as follows:
The medical absorption pad comprises three layers of non-woven fabrics, a high polymer absorption layer is arranged in the middle of the non-woven fabrics, the non-woven fabrics and the high polymer absorption layer are arranged in an absorption bag, one side of the absorption bag is made of water permeable fabric, and the other side of the absorption bag is made of water repellent fabric. The crushing principle of the hammering plate 23 is as follows: the auxiliary shaft 22 rotates around the central rotating shaft 21, the auxiliary shaft 22 rotates along with the hammering plate 23, when no object is impacted, the hammering plate 23 and the auxiliary shaft 22 are relatively static, when the object is crushed, the hammering plate 23 can impact the object, at the moment, the linear speed of the hammering plate 23 is changed, and the hammering plate 23 can freely rotate around the auxiliary shaft 22, so that the hammering plate 23 can impact and crush the object.
The crushing aim is that: firstly, breaking the absorption bag; second, the nonwoven fabric and the polymer absorption layer are broken. The raw materials of the non-woven fabrics and the macromolecule absorbing layer are wood pulp cotton, which is easily broken into powder; the absorption bag has strong toughness and can be hit into a strip shape or a block shape. The powdery wood pulp cotton enters the wood pulp cotton collecting cavity 4 from the screen separator 3 and is conveyed to the wood pulp cotton storage device through the second centrifugal fan 10. The crushing drive 5 is stopped after a certain period of operation, the communication mechanism 7 is activated, the negative pressure suction device 8 and the fiber separator 9.
The method comprises the following specific steps:
In a preferred scheme, the separation and recovery method of the unqualified medical absorbent pad comprises the following steps:
S1: the unqualified medical absorption pad is put into the crusher case 1, the second centrifugal fan 10 is started, the crushing driving device 5 is started to drive the crushing mechanism 2 to rotate, the rotating speed of the driving motor is controlled, and the rotating speed of the central rotating shaft 21 reaches N1;
the rotation speed 1460 of the driving motor is rotated/min, the power is 11KW, the driving motor drives the central rotating shaft 21 to rotate, and the transmission ratio of the central rotating shaft 21 to the driving motor is 1:1, a step of;
S2: the auxiliary shaft 22 rotates around the central rotating shaft 21, the auxiliary shaft 22 rotates along with the hammering plate 23, when the hammering plate 23 impacts an object to be impacted, the linear speed of the hammering plate 23 changes, and the hammering plate 23 can freely rotate around the auxiliary shaft 22, so that the impact and the breakage of the hammering plate 23 on the object to be impacted are completed;
s3: when the non-woven fabrics and the macromolecule absorbing layer in the medical absorbing pad are hammered into wood pulp cotton powder, the wood pulp cotton powder is separated to the wood pulp cotton collecting cavity 4 through the screen separator 3 to finish the first separation, the second centrifugal fan 10 directly conveys the wood pulp cotton powder into a recovery bag or other storage equipment under negative pressure, and the absorbing bag on the outer layer of the absorbing pad is hammered into fragments and is positioned above the screen separator 3;
s4: when the crushing time reaches T1 seconds, a communication mechanism 7 is started, the absorbing bag fragment collecting box 6 is communicated with the crushing cavity, a negative pressure suction device 8 and a fiber separator 9 are started, the negative pressure suction device 8 provides negative pressure for the fragment collecting box 6, and the negative pressure value is P;
the power of the first centrifugal fan is 2.2KW, the rotating speed is 2800 r/min, and the P gauge pressure value is preferably about-0.4 MPa;
The time T is determined by crushing the different products, typically 30 seconds. If the product is a small product, the feeding quantity is certain, and the time is reduced; if the product is a large product, the feeding amount is fixed, and the time is increased.
S5: the negative pressure suction device 8 pumps the absorbing bag fragments into the absorbing bag fragment collecting box 6, the negative pressure suction device 8 pumps the absorbing bag fragments into the fiber separator 9, and the fiber separator 9 carries out secondary separation and recovery on wood pulp cotton powder; when the operation time of the negative pressure suction device 8 reaches T2, the negative pressure suction device 8 is closed, the communication mechanism 7 is controlled to act, and the absorption bag fragment collection box 6 is isolated from the crushing cavity; namely, the separation and recovery of the unqualified medical absorption pad are realized.
Wherein T2 is taken for 30-50 seconds;
repeating the steps S1-S5, and separating and recovering unqualified medical absorbent pads for multiple times.
The above embodiments are merely preferred embodiments of the present application, and should not be construed as limiting the present application, and the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without collision. The protection scope of the present application is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this application are also within the scope of the application.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410901098.1A CN118719234A (en) | 2020-06-23 | 2020-06-23 | A method for separating and recycling unqualified medical absorbent pads |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010581339.0A CN111659502B (en) | 2020-06-23 | 2020-06-23 | Separation and recovery device and method for unqualified medical absorption pad |
| CN202410901098.1A CN118719234A (en) | 2020-06-23 | 2020-06-23 | A method for separating and recycling unqualified medical absorbent pads |
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| CN202010581339.0A Division CN111659502B (en) | 2020-06-23 | 2020-06-23 | Separation and recovery device and method for unqualified medical absorption pad |
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| CN202010581339.0A Active CN111659502B (en) | 2020-06-23 | 2020-06-23 | Separation and recovery device and method for unqualified medical absorption pad |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201403492Y (en) * | 2009-05-27 | 2010-02-17 | 中国科学院沈阳自动化研究所 | A wire feeder and blanking device for the rear body of a cigarette making machine |
| CN205833634U (en) * | 2016-06-06 | 2016-12-28 | 蔡燕 | A kind of beans sifting device |
| CN206663586U (en) * | 2016-09-20 | 2017-11-24 | 邵元坤 | A kind of hammer type crushing seperator |
| CN107737714A (en) * | 2017-09-27 | 2018-02-27 | 阜宁聚鸿新材料有限公司 | One kind automation chelating agent filtering and impurity removing device |
| CN207930925U (en) * | 2018-03-01 | 2018-10-02 | 定州市南源塑胶有限公司 | A kind of broken retracting device of waste rubber shoe |
| CN210171066U (en) * | 2019-01-21 | 2020-03-24 | 泸州锦兰科技有限公司 | Bamboo fiber dust separation device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3682553B2 (en) * | 1998-01-12 | 2005-08-10 | 株式会社カネカ | Separation method of laminate |
| JP2007117837A (en) * | 2005-10-26 | 2007-05-17 | Kaneka Corp | Recycle system for separating and recovering fiber components and vinyl chloride-based resin components from gloves, separating and recovering method, and regenerated vinyl chloride-based resin |
| CN100589880C (en) * | 2006-07-12 | 2010-02-17 | 俞信国 | hammer mill |
| CN105921217A (en) * | 2016-05-10 | 2016-09-07 | 成都易顺通环保科技有限公司 | Hammer cutting type crushing device for solid waste and household garbage pipeline delivery and using method of hammer cutting type crushing device |
| CN108543597A (en) * | 2018-06-02 | 2018-09-18 | 彭素珍 | A kind of leftover pieces retracting device for thermal insulation material processing |
| CN212441409U (en) * | 2020-06-23 | 2021-02-02 | 奥美医疗用品股份有限公司 | Unqualified medical absorption pad separation recovery unit |
-
2020
- 2020-06-23 CN CN202410901098.1A patent/CN118719234A/en active Pending
- 2020-06-23 CN CN202010581339.0A patent/CN111659502B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201403492Y (en) * | 2009-05-27 | 2010-02-17 | 中国科学院沈阳自动化研究所 | A wire feeder and blanking device for the rear body of a cigarette making machine |
| CN205833634U (en) * | 2016-06-06 | 2016-12-28 | 蔡燕 | A kind of beans sifting device |
| CN206663586U (en) * | 2016-09-20 | 2017-11-24 | 邵元坤 | A kind of hammer type crushing seperator |
| CN107737714A (en) * | 2017-09-27 | 2018-02-27 | 阜宁聚鸿新材料有限公司 | One kind automation chelating agent filtering and impurity removing device |
| CN207930925U (en) * | 2018-03-01 | 2018-10-02 | 定州市南源塑胶有限公司 | A kind of broken retracting device of waste rubber shoe |
| CN210171066U (en) * | 2019-01-21 | 2020-03-24 | 泸州锦兰科技有限公司 | Bamboo fiber dust separation device |
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| Publication number | Publication date |
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| CN111659502A (en) | 2020-09-15 |
| CN111659502B (en) | 2024-08-13 |
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