Bioreactor for accelerating degradation of degradable plastics

Abstract

The utility model relates to the technical field of bioreactors, and discloses a bioreactor for accelerating the degradation of degradable plastics, which comprises a reaction tank, a driving module and a control module, wherein the bottom of the reaction tank is communicated with a discharge pipe, and the discharge pipe is provided with a biological reaction catalyst spray head; the driving module is in transmission connection with a rocking cylinder capable of rotating in a reciprocating mode and a rotatable filter cylinder, and a smashing bottom roller and two smashing top rollers which are symmetrically arranged are rotationally connected between the inner surfaces of the rocking cylinder. According to the utility model, after the double-head motor outputs the rotating speed, the rocking cylinder swings in a reciprocating manner within a set angle, and the angles of the two crushing top rollers relative to the crushing bottom roller are changed in a reciprocating manner through the reciprocating swinging of the rocking cylinder; the material flow rate of the degradable plastic to be reacted between the crushing top roller and the crushing bottom roller is effectively improved, and the vibration and oscillation blanking effects of the material are realized to a certain extent, so that the blocking rate of the degradable plastic during reaction is reduced, and the crushing reaction efficiency of the reactor on the degradable plastic is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bioreactor, more specifically, the utility model relates to the bioreactor of accelerating degradable plastics degradation. BACKGROUND

[0002] Degradable plastics refer to a kind of plastics, the properties of its products can meet the use requirements, the properties are unchanged in the storage period, and after use, it can be degraded into harmless substances to environment under natural environmental conditions.

[0003] The ordinary degradable plastics degradation bioreactor is not convenient for the crushing of degradable plastics, and the degradable plastics of large volume are not conducive to rapid reaction with plastic degradation catalyst, so it is necessary to develop the bioreactor for accelerating the degradation of degradable plastics, in the prior art, the patent document with publication number CN221440727U discloses the bioreactor for accelerating the degradation of degradable plastics, the above-mentioned reactor realizes the circulating crushing of materials, the plastic degradation catalyst is put into through the liquid injection pipe, and the stirring device is started to stir the degradable plastics and the plastic degradation catalyst, so as to accelerate the degradation of degradable plastics, but the above-mentioned reactor is static crushing mechanism in the reactor during reaction, which leads to that the degradable plastics are easily blocked in the crushing mechanism, and due to the limitation of static crushing mechanism, the crushing efficiency of the reactor is limited, based on this, the utility model provides the bioreactor for accelerating the degradation of degradable plastics to solve the technical problems in the above-mentioned background art. UTILITY MODEL CONTENTS

[0004] In order to overcome the deficiencies of the prior art, the utility model provides the bioreactor for accelerating the degradation of degradable plastics, in the utility model, the rocking barrel reciprocates within the set angle after the output speed of double-head motor, the angle of two crushing top rollers relative to crushing bottom roller is changed by reciprocating the rocking barrel, thereby effectively improving the material flow rate of degradable plastics to be reacted between crushing top roller and crushing bottom roller and realizing the vibration and oscillation of material to a certain extent. Discharge effect, thereby reducing the plugging rate of degradable plastics during reaction, and then improving the crushing reaction efficiency of degradable plastics in the reactor.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: the bioreactor for accelerating the degradation of degradable plastics, including reaction tank, the positive bottom of the reaction tank is communicated with the unloading pipe, the unloading pipe is installed with the bioreaction catalyst spray head, further comprising:

[0006] The utility model provides a drive module, the drive module is respectively transmission connection with the reciprocating rotatable shaking drum and rotatable filter drum, the inner surface of shaking drum is respectively rotatably connected with the crushing bottom roller and two symmetrical crushing top rollers, the crushing bottom roller and crushing top roller are all driven through drive module, the inner surface of filter drum is installed with a group of the round array distribution of the material turning plate,

[0007] Two symmetrical feed nozzles are arranged on the reaction tank and correspond to the position between the filter drum and the shaking drum.

[0008] As a preferred technical scheme of the utility model, the drive module comprises a double-head motor mounted on the reaction tank, both sides of the shaking drum are provided with shaking sleeves, both of the shaking sleeves are rotatably sleeved on the crushing bottom roller, one of the shaking sleeves is rotatably connected with the reaction tank, and a torsional spring is fixedly arranged at the rotatable connection position of the shaking sleeve and the reaction tank, the other shaking sleeve is rotatably sleeved with an external tooth sleeve, and the shaking sleeve, the external tooth sleeve and the crushing bottom roller are driven by the double-head motor, an internal gear is mounted on the external tooth sleeve, an external gear is mounted on both of the crushing top rollers, a linkage gear is rotatably connected with the shaking drum, one of the external gears and the linkage gear are in transmission connection with the internal gear, the other external gear is in transmission connection with the linkage gear, and the filter drum is linked with the double-head motor through a linkage module.

[0009] As a preferred technical scheme of the utility model, both of the crushing top rollers are arranged on both sides of the crushing bottom roller, and the axis of the crushing top roller is arranged above the axis of the crushing bottom roller.

[0010] As a preferred technical scheme of the utility model, the linkage module comprises a differential shaft rotatably connected with the reaction tank, lower bevel gears are fixedly mounted on the differential shaft and an output shaft end of the double-head motor, the two lower bevel gears are in meshing connection, a differential gear is fixedly mounted on the differential shaft, and a passive gear ring in meshing connection with the differential gear is fixedly mounted on the filter drum.

[0011] As a preferred technical scheme of the utility model, an upper bevel gear and a first missing bevel gear are fixedly mounted on the other output shaft end of the double-head motor, side bevel gears are fixedly mounted on the crushing bottom roller and the external tooth sleeve, the two side bevel gears are arranged on both sides of the upper bevel gear, a reverse tooth shaft is rotatably connected with one of the feed nozzles, reverse bevel gears and a second missing bevel gear are fixedly mounted on the reverse tooth shaft, the two side bevel gears are in transmission connection with the upper bevel gear and the reverse bevel gear, the upper bevel gear and the reverse bevel gear are symmetrically arranged about the horizontal plane where the axis of the crushing bottom roller is located, a shaking bevel gear is fixedly mounted on one of the shaking sleeves, and the first missing bevel gear and the second missing bevel gear are in transmission connection with the shaking bevel gear.

[0012] As a preferred technical solution of this utility model, both the first and second missing bevel teeth are provided with transmission tooth surfaces, and the transmission tooth surfaces are evenly distributed with teeth that mesh with the rocking bevel teeth. The arc of the transmission tooth surface is 60°, and the transmission tooth surfaces on the first and second missing bevel teeth are offset by 180°.

[0013] As a preferred embodiment of this utility model, the filter cylinder is provided with filter media holes evenly distributed on its surface, and the filter cylinder is disposed on the outside of the rocking cylinder.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. During the reaction of this invention, the dual-head motor outputs a set power speed. The biocatalyst nozzle is connected to the external catalyst feeding equipment. During the reaction, the biocatalyst nozzle continuously sprays biocatalyst. After the dual-head motor outputs the speed, the shaker oscillates back and forth within a set angle. Through the reciprocating oscillation of the shaker, the angle between the two crushing top rollers and the crushing bottom roller is changed repeatedly, thereby effectively improving the material flow rate of the biodegradable plastic to be reacted between the crushing top roller and the crushing bottom roller, and to a certain extent realizing the vibration and oscillation feeding effect of the material, thereby reducing the clogging rate during the reaction of biodegradable plastic, and thus improving the crushing reaction efficiency of this reactor for biodegradable plastic.

[0016] 2. In this utility model, the degraded material after preliminary crushing reaction falls into the filter cylinder under the action of gravity. If the particle size of the reactant is qualified, the reactant is directly discharged through the filter cylinder. If the particle size of the reactant is not qualified, the plastic degraded material that has not been fully reacted re-enters the action area of ​​the crushing top roller and the crushing bottom roller under the action of the turning plate, and then undergoes a cyclic crushing reaction, thereby effectively ensuring the fineness of the crushing reaction and the reaction effect of the crushed material. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the bioreactor for accelerating the degradation of biodegradable plastics according to this invention;

[0018] Figure 2 This utility model Figure 1 A magnified schematic diagram of the partial structure at point A in the middle;

[0019] Figure 3 This is a schematic diagram of the feed nozzle and torsion spring of this utility model;

[0020] Figure 4 This utility model Figure 1 A schematic diagram of the cross-sectional structure;

[0021] Figure 5 This utility model Figure 4 A magnified view of the structure at point B in the middle;

[0022] Figure 6 It is cross section structure schematic view of the feeding nozzle and the discharge pipe of the utility model.

[0023] In the figure: 1, reaction tank; 2, discharge pipe; 3, shaking cylinder; 4, filter cylinder; 5, crushing bottom roller; 6, crushing top roller; 7, turning plate; 8, feeding nozzle; 9, double-head motor; 10, shaking sleeve; 11, torsional spring; 12, external gear sleeve; 13, internal gear; 14, external gear; 15, linkage gear; 16, differential shaft; 17, differential gear; 18, passive gear ring; 19, first missing cone gear; 20, reverse gear shaft; 21, second missing cone gear; 22, biological reaction catalyst nozzle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] As Figures 1 to 6 shown, the utility model provides the biological reactor of accelerating degradable plastics degradation, including reaction tank 1, the positive bottom of reaction tank 1 is connected with discharge pipe 2, is installed with biological reaction catalyst nozzle 22 on discharge pipe 2, and biological reaction catalyst nozzle 22 is communicated with external catalyst feeding equipment when working, and biological reaction catalyst nozzle 22 continuously sprays catalyst during reaction, still including:

[0026] Drive module is respectively connected with the shaking cylinder 3 that can reciprocating rotation and the filter cylinder 4 that can rotate on drive module transmission;

[0027] Filter cylinder 4 is evenly distributed with filter hole, and filter cylinder 4 is arranged at the outside of shaking cylinder 3;

[0028] The filter aperture of filter cylinder 4 can be customized according to actual filtering requirements;

[0029] The inner surface of shaking cylinder 3 is respectively connected with crushing bottom roller 5 and two symmetrical crushing top rollers 6;

[0030] Two crushing top rollers 6 are respectively arranged at the two sides of crushing bottom roller 5, and the axis of crushing top roller 6 is arranged above the axis of crushing bottom roller 5;

[0031] Crushing bottom roller 5 and crushing top roller 6 are driven by drive module, and a group of turning plates 7 are arranged between the inner surface of filter cylinder 4 in circumferential array;

[0032] Two feeding nozzles 8 are symmetrically arranged on the reaction tank 1 and correspond to the position between the filter cartridge 4 and the shaking cylinder 3.

[0033] The driving module comprises a double-head motor 9 mounted on the reaction tank 1, and two shaking sleeves 10 are mounted on the two sides of the shaking cylinder 3, and the two shaking sleeves 10 are rotatably sleeved on the crushing bottom roller 5.

[0034] One shaking sleeve 10 is rotatably connected with the reaction tank 1, and a torsional spring 11 is fixedly arranged at the rotatable connection position of the shaking sleeve 10 and the reaction tank 1.

[0035] The other shaking sleeve 10 is rotatably sleeved with an external tooth sleeve 12, and the shaking sleeve 10, the external tooth sleeve 12 and the crushing bottom roller 5 are driven by the double-head motor 9.

[0036] An internal gear 13 is mounted on the external tooth sleeve 12, an external gear 14 is mounted on each of the two crushing top rollers 6, a linkage gear 15 is rotatably connected on the shaking cylinder 3, one external gear 14 and the linkage gear 15 are in transmission connection with the internal gear 13, the other external gear 14 is in transmission connection with the linkage gear 15, and the filter cartridge 4 is linked with the double-head motor 9 through a linkage module.

[0037] The linkage module comprises a differential shaft 16 rotatably connected to the reaction tank 1, and a lower bevel gear is fixedly mounted on each of the differential shaft 16 and an output shaft end of the double-head motor 9.

[0038] A differential gear 17 is fixedly mounted on the differential shaft 16, and a passive gear ring 18 in mesh with the differential gear 17 is fixedly mounted on the filter cartridge 4.

[0039] An upper bevel gear and a first missing bevel gear 19 are fixedly mounted on the other output shaft end of the double-head motor 9, a side bevel gear is fixedly mounted on each of the crushing bottom roller 5 and the external tooth sleeve 12, and the two side bevel gears are arranged on the two sides of the upper bevel gear respectively.

[0040] A reverse tooth shaft 20 is rotatably connected on one feeding nozzle 8, and a reverse bevel gear and a second missing bevel gear 21 are mounted on the reverse tooth shaft 20 respectively.

[0041] The two side bevel gears are in transmission connection with the upper bevel gear and the reverse bevel gear.

[0042] The upper bevel gear and the reverse bevel gear are symmetrically arranged with the horizontal plane of the axis of the crushing bottom roller 5 as the axis.

[0043] A shaking bevel gear is mounted on one shaking sleeve 10, and the first missing bevel gear 19 and the second missing bevel gear 21 are in transmission connection with the shaking bevel gear.

[0044] The first missing bevel gear 19 and the second missing bevel gear 21 are each provided with a transmission tooth surface, the transmission tooth surfaces are each provided with teeth in mesh with the shaking bevel gear, the integral arc of the transmission tooth surface is 60°, and the transmission tooth surfaces on the first missing bevel gear 19 and the second missing bevel gear 21 are arranged in a staggered manner by 180°.

[0045] The working principle and use process of the utility model:

[0046] The device is mainly suitable for accelerating the crushing and refining operation of degradable plastics, and then realizing the degradation efficiency of degradable plastics. During the reaction, the double-head motor 9 outputs the set power output speed, the biological reaction catalyst spray head 22 is communicated with the external catalyst feeding device, and during the reaction, the biological reaction catalyst spray head 22 continuously sprays biological catalyst. After the output speed of the double-head motor 9, the shaking drum 3 reciprocates within the set angle. Through the reciprocating swing of the shaking drum 3, the angle of the two crushing top rollers 6 relative to the crushing bottom roller 5 is changed in a reciprocating manner, thereby effectively improving the material flow rate of the degradable plastics to be reacted between the crushing top roller 6 and the crushing bottom roller 5 and realizing the vibration and oscillation of the material to a certain extent. The effect of the vibration and oscillation of the material, thereby reducing the blockage rate of the degradable plastics during the reaction, and then improving the crushing reaction rate of the degradable plastics in the reactor. The degraded material after the preliminary crushing reaction falls to the filter cartridge 4 under the action of gravity. If the particle size of the reaction material is qualified, the reaction material is directly discharged through the filter cartridge 4. If the particle size of the reaction material is unqualified, the plastic degradation material that is not fully reacted reenters the action area of the crushing top roller 6 and the crushing bottom roller 5 under the action of the turnover plate 7, and then performs a circulating crushing reaction, thereby effectively ensuring the crushing reaction fineness and reaction effect of the crushed material.

[0047] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0048] While embodiments of the present application have been shown and described, it is to be understood that the embodiments described are merely exemplary and that changes in form and detail can be made without departing from the spirit and scope of the application. The scope of the application is defined by the appended claims and their equivalents.

Claims

1. A bioreactor for accelerating the degradation of degradable plastics, comprising a reaction tank (1), the positive bottom of the reaction tank (1) being communicated with a discharge pipe (2), a bioreaction catalyst shower head (22) being installed on the discharge pipe (2), characterized in that, Also include: The drive module, the drive module is respectively transmission connection has reciprocating rotatable shaking drum (3) and rotatable filter drum (4), the inner surface of the shaking drum (3) is respectively rotatably connected with the crushing bottom roller (5) and two symmetrical crushing top roller (6), the crushing bottom roller (5) and crushing top roller (6) are driven by drive module, the inner surface of the filter drum (4) is installed with a group of circumferential array distribution of turnover plate (7); The reaction tank (1) and the position corresponding to the filter drum (4) and the shaking drum (3) are communicated with two symmetrical feed nozzle (8).

2. The bioreactor for accelerating degradation of degradable plastics according to claim 1, characterized in that: The drive module includes a double head motor (9) mounted on the reaction tank (1), both sides of the shaking drum (3) are provided with a shaking sleeve (10), both the shaking sleeve (10) are rotatably arranged on the crushing bottom roller (5), one of the shaking sleeve (10) is rotatably connected with the reaction tank (1), and the rotating connection between the shaking sleeve (10) and the reaction tank (1) is fixedly provided with a torsional spring (11), the other shaking sleeve (10) is rotatably provided with an external gear sleeve (12), and the shaking sleeve (10), the external gear sleeve (12) and the crushing bottom roller (5) are driven by the double head motor (9), the external gear sleeve (12) is provided with an internal gear (13), both the crushing top roller (6) is provided with an external gear (14), the shaking drum (3) is rotatably provided with a linkage gear (15), one of the external gear (14) and the linkage gear (15) is rotatably connected with the internal gear (13), the other external gear (14) is rotatably connected with the linkage gear (15), and the filter drum (4) is rotatably connected with the double head motor (9) through the linkage module.

3. The bioreactor for accelerating degradation of degradable plastics according to claim 1, wherein: Both the crushing top roller (6) are arranged on both sides of the crushing bottom roller (5), and the axis of the crushing top roller (6) is arranged above the axis of the crushing bottom roller (5).

4. The bioreactor for accelerating degradation of degradable plastics according to claim 2, wherein: The linkage module includes a differential shaft (16) rotatably connected to the reaction tank (1), and a lower bevel gear is fixedly installed on the differential shaft (16) and an output shaft end of the double head motor (9), the two lower bevel gears are meshed with each other, the differential gear (17) is fixedly installed on the differential shaft (16), and the filter drum (4) is fixedly installed with the passive gear ring (18) meshed with the differential gear (17).

5. The bioreactor for accelerating degradation of degradable plastics according to claim 4, characterized in that: The other output shaft end of the double head motor (9) is fixedly provided with an upper bevel gear and a first missing bevel gear (19), the crushing bottom roller (5) and the external gear sleeve (12) are fixedly provided with a side bevel gear, the two side bevel gears are arranged on both sides of the upper bevel gear, one of the feed nozzle (8) is rotatably connected with a reverse tooth shaft (20), the reverse tooth shaft (20) is respectively provided with a reverse bevel gear and a second missing bevel gear (21), both the side bevel gears are rotatably connected with the upper bevel gear and the reverse bevel gear, the upper bevel gear and the reverse bevel gear are symmetrically arranged with the horizontal plane of the axis of the crushing bottom roller (5) as the axis, one of the shaking sleeve (10) is rotatably connected with a shaking bevel gear, and the first missing bevel gear (19) and the second missing bevel gear (21) are rotatably connected with the shaking bevel gear.

6. The bioreactor for accelerating degradation of degradable plastics according to claim 5, characterized in that: The first missing cone gear (19) and the second missing cone gear (21) are provided with transmission tooth surfaces, the transmission tooth surfaces are uniformly provided with teeth engaging with the swing cone gear, the integral radian of the transmission tooth surface is 60°, and the transmission tooth surfaces of the first missing cone gear (19) and the second missing cone gear (21) are arranged in a staggered manner by 180°.

7. The bioreactor for accelerating degradation of degradable plastics according to claim 5, wherein: The filter cartridge (4) is uniformly provided with filter material holes, and the filter cartridge (4) is arranged on the outer side of the swing cylinder (3).

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