CN108978299B - Hydraulic pulping device - Google Patents
Hydraulic pulping device Download PDFInfo
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- CN108978299B CN108978299B CN201810813964.6A CN201810813964A CN108978299B CN 108978299 B CN108978299 B CN 108978299B CN 201810813964 A CN201810813964 A CN 201810813964A CN 108978299 B CN108978299 B CN 108978299B
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the field of pulping equipment for papermaking and discloses a hydraulic pulping device which comprises a stirring cylinder, wherein a filter plate is fixedly connected in the stirring cylinder, a first negative-pressure stirring wheel is fixed on a first rotating shaft, a second negative-pressure stirring wheel is fixed on a second rotating shaft, a first piston cylinder is fixed in the stirring cylinder, a second piston cylinder is fixed on the outer wall of the stirring cylinder, the first piston is fixedly connected with the second piston, a liquid inlet pipe is positioned in the middle between the first rotating shaft and the second rotating shaft, a liquid outlet pipe is positioned at the top of the first rotating shaft, a first check valve is arranged on the liquid inlet pipe, a second check valve is arranged on the liquid outlet pipe, and a driving mechanism is arranged on the outer wall of the stirring cylinder; compared with the prior art, this scheme is through making many circulation flows in the churn, and through the setting of first negative pressure stirring wheel and second negative pressure stirring wheel, also makes the speed that the thick liquids flows greatly improve to make many more obvious that circulation flows flow, stir the thick liquids without the dead angle, thereby greatly improved stirring efficiency.
Description
Technical Field
The invention relates to the field of pulping equipment for papermaking, in particular to a hydraulic pulping device.
Background
When the hydraulic pulper works, a rotor (or a cutter disc) at the bottom of a groove body rotates at a high speed, materials contacting with the rotor (or the cutter disc) are thrown to a peripheral area from a central area at the bottom in the groove body, then flow from bottom to top along the groove wall, flow to the central area from the peripheral area at the upper part, and sink to the cutter disc from the central area to form a circulating flow in the vertical surface direction, meanwhile, due to the rotation driving of the rotor (or the cutter disc), the materials on upper, middle and lower horizontal planes in the groove body form a horizontal rotating flow, pulp boards or waste paper (paper boards) are fully moistened and expanded in diluted water to rapidly reduce the bonding strength, most of energy output by the rotor (or the cutter disc) is transmitted to water, and strong stirring and shearing are generated through hydraulic power, the rotor (or the cutter disc) directly acts on the pulp boards or the waste paper to impact, tear or rub the, Kneading to complete the pulping function quickly; however, the scheme only stirs the materials through a single rotor (or cutter head), the circulating flow formed by the materials is mild, the auxiliary stirring effect is small, and the stirring efficiency of the whole hydrapulper is general.
In order to solve the problems, the Chinese patent application No. 201611015836.4 discloses a hydrapulper, which comprises a trough body, a rotor, a sieve plate, a bracket, a first strut and a second strut, wherein the sieve plate is positioned at the lower end of the trough body, and the bracket is used for supporting the trough body; the top of the groove body is provided with a blanking port and a water spray pipe, the bottom of the groove body is provided with a slag hole and a slurry outlet, the slag hole is positioned above the sieve plate, and the slurry outlet is positioned below the sieve plate; the cross section of the groove body is 8-shaped and comprises a first cavity and a second cavity; the first support is arranged in the middle of the first cavity, and the second support is arranged in the middle of the second cavity; the rotors comprise a first rotor and a second rotor, motors are arranged at the lower ends of the first rotor and the second rotor, and the rotation directions of the two motors are opposite; the first rotor is sleeved on the first support, the second rotor is sleeved on the second support, and the first rotor and the second rotor are not on the same horizontal plane. According to the scheme, one part of the materials contacted with the first rotor rotates under the action of the first rotor, and the other part of the materials flows into the second cavity to continue rotating, so that the energy of water transmitted by the first rotor is fully used for cracking the materials, the energy of the first rotor is fully utilized, and the second rotor is also used, so that the energy utilization rate of the hydrapulper is extremely high; the first rotor and the second rotor are positioned at different horizontal heights and rotate simultaneously to disintegrate materials in the tank body, and the disintegrating efficiency is higher than that of a common hydrapulper; above scheme and no dead angle, energy utilization is higher, and the fragmentation efficiency is higher.
According to the scheme, the problem of low stirring efficiency in the prior art is solved through the arrangement of the first rotor and the second rotor; however, the above solution has the following problems: only stir the material and water conservancy diversion through first rotor and second rotor, whole circulation flows and still comparatively relaxes, and is not obvious enough, often can make the material in the whole cell body carry out the stirring that the position is comparatively fixed, hardly stirs the thick liquids in the cell body corner, stirs efficiency still not high.
Disclosure of Invention
The invention aims to provide a hydraulic pulping device which can form obvious circulating flow, can make the pulp in the corner of a mixing drum flow easily and change the position, and improves the mixing efficiency.
The hydraulic pulping device comprises a mixing drum, a filter plate is fixedly connected in the mixing drum, a first rotating shaft and a second rotating shaft are rotatably connected on the filter plate, a first negative-pressure mixing wheel is fixed at the top of the first rotating shaft, a second negative-pressure mixing wheel is fixed at the bottom of the second rotating shaft, a first piston cylinder is fixed on the side wall, far away from the first rotating shaft, of the second rotating shaft in the mixing drum, one side, close to the second rotating shaft, of the first piston cylinder is communicated with the mixing drum, a cavity of the first piston cylinder is communicated with the outside, a first piston is slidably connected in the first piston cylinder, a second piston cylinder is fixed on the outer wall of the mixing drum, a second piston is slidably connected in the second piston cylinder, a piston rod is connected between the first piston and the second piston, a liquid inlet pipe and a liquid outlet pipe are communicated with the second piston cylinder, both the liquid inlet pipe and the liquid outlet pipe are communicated with the mixing drum, and the liquid, the liquid outlet pipe is located above the first negative-pressure stirring wheel, a first one-way valve for feeding liquid from the stirring cylinder to the second piston cylinder is arranged on the liquid inlet pipe, a second one-way valve for feeding liquid from the second piston cylinder to the stirring cylinder is arranged on the liquid outlet pipe, and a driving mechanism for driving the second piston to reciprocate is arranged on the outer wall of the stirring cylinder.
The technical principle of the scheme is as follows: the mixing drum plays a role in supporting the whole hydraulic pulping device, papermaking slurry can be mixed in the mixing drum and rotates through the first rotating shaft, the first rotating shaft drives the first negative pressure mixing wheel to rotate, the principle that the first negative pressure mixing wheel rotates to generate negative pressure is utilized, the slurry positioned around the top of the first rotating shaft in the mixing drum flows into the first negative pressure mixing wheel and flows downwards by taking the first rotating shaft as a center, after the flowing slurry is contacted with the filter plate, the slurry flows around the first rotating shaft by the reaction force of the filter plate, part of the slurry flows in the direction far away from the second rotating shaft, the slurry on one side of the first rotating shaft far away from the second rotating shaft is increased, the slurry flows in the direction close to the first negative pressure mixing wheel and flows into the first negative pressure mixing wheel, and therefore circulating mixing flow is formed.
Part of the slurry flows towards the direction close to the second rotating shaft, the second rotating shaft rotates, the second rotating shaft drives the second negative pressure stirring wheel to rotate, the slurry flowing towards the second rotating shaft enters the second negative pressure stirring wheel along with the slurry positioned around the bottom of the second rotating shaft and flows upwards by taking the second rotating shaft as the center by utilizing the principle that the second negative pressure stirring wheel rotates to generate negative pressure, after the flowing slurry is contacted with the top of the stirring cylinder, the slurry flows towards the periphery of the second rotating shaft by receiving the reaction force of the top of the stirring cylinder, part of the slurry flows towards the direction close to the first rotating shaft, at the moment, the driving mechanism is started, the driving mechanism drives the second piston to reciprocate, the second piston drives the first piston to reciprocate by virtue of the piston rod, the first piston intermittently pushes part of the slurry moving from the second rotating shaft away from the first rotating shaft to also flow towards the direction close to the first rotating shaft, the second piston also slides in the second piston cylinder in a reciprocating manner, the second piston cylinder sucks slurry in the middle between the first rotating shaft and the second rotating shaft through the liquid inlet pipe and pumps the slurry into the top of the first rotating shaft through the liquid outlet pipe, so that the part of the middle of the stirring cylinder which moves mildly also flows in a circulating manner, and finally the slurry gathered at the top of the first rotating shaft completely enters the first negative-pressure stirring wheel, so that a circulating flow flowing from the first rotating shaft to the second rotating shaft is formed; and part of the slurry flows into the part of the second rotating shaft on the side far away from the first rotating shaft and flows towards the direction close to the second negative-pressure stirring wheel by the extrusion of the first piston, the slurry on the side of the second rotating shaft far away from the first rotating shaft is increased, and the slurry flows towards the direction close to the second negative-pressure stirring wheel and flows into the second negative-pressure stirring wheel, so that a circulating stirring flow is formed.
Compared with the prior art, the beneficial effect of this scheme does: this scheme is through first pivot, the second pivot, the setting such as first piston cylinder and second piston cylinder, can make and form many circulating flows in the churn, and through the setting of first negative pressure stirring wheel and second negative pressure stirring wheel, also make the speed that the thick liquids flows greatly improve, thereby make many more obvious that the circulating flow flows, the equal easy flow of thick liquids in middle part between inside edge department and first pivot and the second pivot in the churn, and constantly change the position, stir the thick liquids at no dead angle, thereby stirring efficiency has greatly been improved.
Furthermore, the driving mechanism comprises a connecting rod fixedly connected with the second piston and a cam fixed on the second rotating shaft, the connecting rod extends out of the second piston cylinder, a spring is connected between the connecting rod and the liquid outlet pipe, and the connecting rod is abutted to the cam. The second rotating shaft rotates to drive the cam to rotate continuously, the cam and the connecting rod form a cam pair, the cam drives the connecting rod to reciprocate continuously, the connecting rod drives the second piston to reciprocate, and the second piston drives the first piston to reciprocate through the piston rod, so that the automatic operation of the first piston and the second piston is realized.
Furthermore, a guide plate for guiding liquid to the second rotating shaft is fixed on the side wall of the mixing drum close to the first rotating shaft. The arrangement of the guide plate can enable the slurry flowing to the bottom of the first rotating shaft to flow to the direction of the second rotating shaft better and faster.
Further, the guide plate is obliquely arranged. After the slurry flows to the guide plate, the slurry flows in the direction of the second rotating shaft in a refraction mode under the reaction force of the guide plate, so that the slurry flows to the second rotating shaft more quickly.
Furthermore, the guide plate is evenly provided with guide holes for blowing air to the second rotating shaft, the first piston cylinder is communicated with an air outlet pipe, all the guide holes are communicated with the air outlet pipe, the air outlet pipe is provided with a third one-way valve for conveying air to the guide holes, the first piston cylinder is communicated with the outside to form an air inlet pipe, and the air inlet pipe is provided with a fourth one-way valve for introducing air to the first piston cylinder. When first piston reciprocating motion, first piston cylinder breathes in through the intake pipe, and the rethread outlet duct is inflated in to the guide plate, and the gas that flows from the guide plate will flow into in the churn, and on the one hand forms the effect of stirring to thick liquids, and on the other hand also can promote thick liquids to flow to the direction of second pivot from first pivot faster, makes the thick liquids mobile faster, has further improved the apparent degree that the circulation flow flows.
Further, the bottom intercommunication of churn has slag tap pipe and goes out the thick liquid pipe, and the pipe of slagging tap is located the filter top, installs first valve on the pipe of slagging tap, goes out the thick liquid pipe and is located the filter below, goes out to install the second valve on the thick liquid pipe. After the completion of the disintegration, the second valve is opened firstly, the disintegrated slurry can be collected from the slurry outlet pipe, and after the slurry is collected by the slurry outlet pipe, the first valve is opened again, and impurities in the slurry are discharged from the slag outlet pipe.
Drawings
Fig. 1 is a schematic view of a hydra-pulper unit according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the mixer comprises a mixing drum 1, a filter plate 2, a guide plate 3, a guide hole 4, a first rotating shaft 5, a first negative pressure mixing wheel 6, a feed hopper 7, a second rotating shaft 8, a second negative pressure mixing wheel 9, a first piston cylinder 10, an air outlet pipe 11, a third check valve 12, a first piston 13, an air inlet pipe 14, a fourth check valve 15, a second piston cylinder 16, a second piston 17, a connecting rod 18, a liquid outlet pipe 19, a second check valve 20, a liquid inlet pipe 21, a first check valve 22, a cam 23, a spring 24, a first valve 25, a slag outlet pipe 26, a second valve 27 and a slurry outlet pipe 28.
The embodiment is basically as shown in the attached figure 1: a hydraulic pulping device comprises a mixing drum 1, a filter plate 2 is welded in the mixing drum 1, the bottom of the mixing drum 1 is communicated with a slag discharging pipe 26 and a pulp discharging pipe 28, the slag discharging pipe 26 is positioned above the filter plate 2, a first valve 25 is arranged on the slag discharging pipe 26, the pulp discharging pipe 28 is positioned below the filter plate 2, a second valve 27 is arranged on the pulp discharging pipe 28, a feed hopper 7 is communicated with the position of the mixing drum 1 positioned above a first rotating shaft 5, the filter plate 2 is rotatably connected with the first rotating shaft 5 and a second rotating shaft 8, a flat key at the top of the first rotating shaft 5 is connected with a first negative pressure mixing wheel 6, a flat key at the bottom of the second rotating shaft 8 is connected with a second negative pressure mixing wheel 9, a guide plate 3 for guiding liquid to the second rotating shaft 8 is welded on the left side wall of the first rotating shaft 5 in the mixing drum 1, the guide plate 3 inclines downwards from left to right, a first piston cylinder 10 is fixed on the right side wall of the top of the, the left side of a first piston cylinder 10 is communicated with a mixing drum 1, a first piston 13 is connected in the first piston cylinder 10 in a sliding manner, guide holes 4 used for blowing air to a second rotating shaft 8 are uniformly distributed on a guide plate 3, an air outlet pipe 11 is communicated on the first piston cylinder 10, all the guide holes 4 are communicated with the air outlet pipe 11, a third one-way valve 12 used for conveying air to the guide holes 4 is installed on the air outlet pipe 11, an air inlet pipe 14 is communicated with the outside of the first piston cylinder 10, a fourth one-way valve 15 used for feeding air to the first piston cylinder 10 is installed on the air inlet pipe 14, a second piston cylinder 16 is fixed on the outer wall of the mixing drum 1 through bolts, a second piston 17 is connected in the sliding manner in the second piston cylinder 16, a piston rod is welded between the first piston 13 and the second piston 17, a liquid inlet pipe 21 and a liquid outlet pipe 19 are communicated with the second piston cylinder 16, the liquid inlet pipe 21 and the liquid outlet pipe 19 are both communicated with, the liquid outlet pipe 19 is positioned at the top of the first rotating shaft 5, the liquid inlet pipe 21 is provided with a first one-way valve 22 for feeding liquid from the mixing drum 1 to the second piston cylinder 16, the liquid outlet pipe 19 is provided with a second one-way valve 20 for feeding liquid from the second piston cylinder 16 to the mixing drum 1, the outer wall of the mixing drum 1 is provided with a driving mechanism for driving the second piston 17 to reciprocate, the driving mechanism comprises a connecting rod 18 welded with the second piston 17 and a cam 23 connected with the second rotating shaft 8 in a flat key mode, the connecting rod 18 extends out of the second piston cylinder 16, a spring 24 is connected between the connecting rod 18 and the liquid outlet pipe 19, and the connecting rod 18 is abutted against the cam 23.
Add thick liquid board and water in to churn 1 through feeder hopper 7, rotate first pivot 5, first pivot 5 drives first negative pressure stirring wheel 6 and rotates, first negative pressure stirring wheel 6 rotates and produces the negative pressure, the thick liquids that lie in around first pivot 5 top in churn 1 will flow in first negative pressure stirring wheel 6, and use first pivot 5 as the ground downflow, after the thick liquids that flow and filter 2 contact, the thick liquids will flow around first pivot 5, some thick liquids will flow to the direction of keeping away from second pivot 8, the left thick liquids of first pivot 5 increase, the thick liquids will upflow, and flow in first negative pressure stirring wheel 6, thereby circulation stirring flows has been formed.
Part of the slurry will flow in the direction close to the second rotating shaft 8, the second rotating shaft 8 is rotated, the second rotating shaft 8 drives the second negative pressure stirring wheel 9 to rotate, the slurry flowing to the second rotating shaft 8 will enter the second negative pressure stirring wheel 9 along with the slurry around the bottom of the second rotating shaft 8 and flow upwards with the second rotating shaft 8 as the center, after the flowing slurry contacts the top of the stirring cylinder 1, the slurry will flow around the second rotating shaft 8, part of the slurry will flow in the direction close to the first rotating shaft 5, while the second rotating shaft 8 rotates, the cam 23 also rotates along with the second rotating shaft 8, the cam 23 and the connecting rod 18 form a cam 23 pair, the cam 23 will drive the connecting rod 18 to reciprocate continuously, the connecting rod 18 will drive the second piston 17 to reciprocate, the second piston 17 will drive the first piston 13 to reciprocate through the piston rod, the first piston 13 will intermittently push part of the slurry moving from the second rotating shaft 8 in the direction far from the first rotating shaft 5 to lean against The slurry flows in the direction close to the first rotating shaft 5, when the first piston 13 reciprocates, the first piston cylinder 10 sucks air into the guide plate 3 through the air inlet pipe 14 and inflates the air into the guide plate 3 through the air outlet pipe 11, the air flowing out of the guide plate 3 flows into the stirring cylinder 1, and the air can push the slurry to flow from the first rotating shaft 5 to the second rotating shaft 8 more quickly, so that the slurry flows more quickly; the second piston 17 also reciprocally slides in the second piston cylinder 16, the second piston cylinder 16 sucks the slurry in the middle between the first rotating shaft 5 and the second rotating shaft 8 through the liquid inlet pipe 21, and the slurry is injected into the top of the first rotating shaft 5 through the liquid outlet pipe 19, so that the middle part of the stirring cylinder 1 moves more slowly and circularly flows, and finally the slurry gathered at the top of the first rotating shaft 5 completely enters the first negative-pressure stirring wheel 6, so that a circulating flow flowing from the first rotating shaft 5 to the second rotating shaft 8 is formed; also by the extrusion of the first piston 13, part of the slurry will flow into the part on the right side of the second rotating shaft 8 and flow downwards, the slurry on the right side of the second rotating shaft 8 will increase, the slurry will flow towards the direction close to the second negative pressure stirring wheel 9 and flow into the second negative pressure stirring wheel 9, and thus a circulating stirring flow is formed again.
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. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (3)
1. A hydraulic pulping device comprises a mixing drum, a filter plate is fixedly connected in the mixing drum, a first rotating shaft and a second rotating shaft are rotatably connected on the filter plate, and the hydraulic pulping device is characterized in that a first negative-pressure mixing wheel is fixed at the top of the first rotating shaft, a second negative-pressure mixing wheel is fixed at the bottom of the second rotating shaft, a first piston cylinder is fixed on the side wall, far away from the first rotating shaft, of the second rotating shaft in the mixing drum, one side, close to the second rotating shaft, of the first piston cylinder is communicated with the mixing drum, a cavity of the first piston cylinder is communicated with the outside, a first piston is slidably connected in the first piston cylinder, a second piston cylinder is fixed on the outer wall of the mixing drum, a second piston is slidably connected in the second piston cylinder, a piston rod is connected between the first piston and the second piston, a liquid inlet pipe and a liquid outlet pipe are communicated with the second piston cylinder, both the liquid inlet pipe and the liquid outlet pipe are communicated with, the liquid outlet pipe is positioned above the first negative-pressure stirring wheel, a first one-way valve for feeding liquid from the stirring cylinder to the second piston cylinder is arranged on the liquid inlet pipe, a second one-way valve for feeding liquid from the second piston cylinder to the stirring cylinder is arranged on the liquid outlet pipe, and a driving mechanism for driving the second piston to reciprocate is arranged on the outer wall of the stirring cylinder; a guide plate for guiding liquid to the second rotating shaft is fixed on the side wall of the mixing drum close to the first rotating shaft;
the guide plate is uniformly provided with guide holes for blowing air to the second rotating shaft, the first piston cylinder is communicated with an air outlet pipe, all the guide holes are communicated with the air outlet pipe, the air outlet pipe is provided with a third one-way valve for conveying air to the guide holes, the first piston cylinder is communicated with the outside and provided with an air inlet pipe, and the air inlet pipe is provided with a fourth one-way valve for introducing air to the first piston cylinder;
the bottom intercommunication of churn has slag tap pipe and play thick liquid pipe, and the pipe of slagging tap is located the filter top, installs first valve on the pipe of slagging tap, goes out thick liquid pipe and is located the filter below, goes out to install the second valve on the thick liquid pipe, and the pipe of slagging tap and play thick liquid pipe all are located one side that is close to second negative pressure stirring wheel on the churn, have certain space between second negative pressure stirring wheel and the filter, and second negative pressure stirring wheel promotes liquid and upwards flows.
2. The hydra-pulping apparatus of claim 1, wherein: the driving mechanism comprises a connecting rod fixedly connected with the second piston and a cam fixed on the second rotating shaft, the connecting rod extends out of the second piston cylinder, a spring is connected between the connecting rod and the liquid outlet pipe, and the connecting rod is abutted to the cam.
3. The hydra-pulping apparatus of claim 1, wherein: the guide plate is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813964.6A CN108978299B (en) | 2018-07-23 | 2018-07-23 | Hydraulic pulping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813964.6A CN108978299B (en) | 2018-07-23 | 2018-07-23 | Hydraulic pulping device |
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| CN108978299A CN108978299A (en) | 2018-12-11 |
| CN108978299B true CN108978299B (en) | 2020-11-06 |
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| CN201810813964.6A Active CN108978299B (en) | 2018-07-23 | 2018-07-23 | Hydraulic pulping device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064391A (en) * | 2020-09-28 | 2020-12-11 | 孙长兵 | Multiple pulping device for papermaking |
| CN112921688B (en) * | 2021-01-29 | 2022-10-04 | 恒安（重庆）生活用纸有限公司 | Pre-dispersing device of pulper |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4593861A (en) * | 1982-08-12 | 1986-06-10 | The Black Clawson Company | Apparatus for pulping paper making stock at high consistencies |
| DE3704461A1 (en) * | 1987-01-20 | 1988-07-28 | Escher Wyss Gmbh | METHOD AND PLANT FOR SOLVING PAPER |
| CN203648638U (en) * | 2013-12-09 | 2014-06-18 | 宜昌思瑞科技有限公司 | Circulating barrel device of stirring mill |
| CN203977216U (en) * | 2014-07-15 | 2014-12-03 | 浙江华邦特种纸业有限公司 | The device of the dry broke that a kind of size degradation contains chemical fibre |
| CN104452384B (en) * | 2014-10-22 | 2016-08-17 | 保定钞票纸业有限公司 | A kind of rotor cutter for fiber size degradation and the equipment for fiber size degradation |
| CN106400563B (en) * | 2016-11-18 | 2017-11-03 | 绥阳县双龙纸业有限公司 | hydrabrusher |
| CN207468966U (en) * | 2017-11-29 | 2018-06-08 | 犍为三环纸业有限责任公司 | A kind of hydrabrusher |
| CN108202045A (en) * | 2017-12-28 | 2018-06-26 | 蔡樟鹏 | A kind of medical treatment liver and gall surgical department tool cleaning equipment |
| CN108207896B (en) * | 2018-01-11 | 2020-11-20 | 福建省鼎贤市政园林工程有限公司 | Gardens are with nursery stock spouts medicine device |
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