Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the waste paper continuous pulping system with full automatic control.
In order to achieve the purpose, the invention adopts the technical scheme that:
the full-automatic control waste paper continuous pulping system comprises a pulping unit, wherein a feeding unit is arranged on one side of the pulping unit, and a discharging unit is arranged on the other side of the pulping unit; the pulping unit is respectively connected with the first impurity processing unit and the second impurity processing unit, the second impurity processing unit is connected with one side of the third impurity processing unit, and the other side of the third impurity processing unit is connected with the pulping unit.
Furthermore, the pulping unit comprises a hydrapulper, a water injection pipeline and a valve, and a shell of the hydrapulper is provided with a liquid level transmitter and a concentration detector.
Furthermore, the feeding unit comprises a chain plate conveyor and a weighing device, and one end of the chain plate conveyor is positioned on the upper side of the feeding hole of the hydrapulper.
Furthermore, the discharging unit comprises a discharging pump, a discharging valve and a liquid storage tank.
Furthermore, the first impurity processing unit comprises a twisted rope, a twisted rope machine and a rope shearing machine, and one end of the twisted rope is positioned in the hydraulic pulp crusher.
Furthermore, the impurity processing unit comprises a hydraulic slag removing machine, and the hydraulic slag removing machine is connected with the hydraulic pulper through a sediment well.
Furthermore, the impurity processing unit III comprises a cylindrical screen, the cylindrical screen is connected with the hydraulic slag remover, and the other side of the cylindrical screen is connected with the hydraulic pulper.
Furthermore, one side of the sediment well is provided with a grab bucket.
The device further comprises a control unit, wherein the feeding unit, the pulping unit, the discharging unit, the first impurity processing unit, the second impurity processing unit and the third impurity processing unit are respectively connected with the control unit.
Furthermore, the water injection amount is 80-90% of the volume of the shell of the hydrapulper, and the disintegration concentration is 3.5-4.5%.
The invention has the following beneficial effects:
1. the invention has reasonable structural design, reduces the occupied space through reasonable layout of equipment and is convenient for enterprises to install and use. Compared with the traditional manual operation mode, the automatic pulping device has the advantages that the manual operation is replaced by the automatic control, the labor cost can be reduced, the production efficiency is improved, and the pulping quality can be ensured.
2. In the pulping process, the hydraulic pulper, the hydraulic slag remover and the cylindrical screen are operated to extract good fiber raw materials in waste paper, and the devices are matched to achieve the effect of full extraction. Good fiber raw materials in the waste paper are extracted and collected, so that the subsequent use is facilitated. The production cost of enterprises can be reduced by effectively utilizing the waste paper.
Detailed Description
For a better understanding of the present invention, reference is made to the following further description taken in conjunction with the accompanying drawings. It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
the full-automatic control waste paper continuous pulping system comprises a pulping unit, wherein a feeding unit is arranged on one side of the pulping unit, and a discharging unit is arranged on the other side of the pulping unit; the pulping unit is respectively connected with the first impurity processing unit and the second impurity processing unit, the second impurity processing unit is connected with one side of the third impurity processing unit, and the other side of the third impurity processing unit is connected with the pulping unit.
The pulping unit comprises a hydrapulper 1, a water injection pipeline and a valve, and a shell of the hydrapulper 1 is provided with a liquid level transmitter and a concentration detector. Whether water is injected into the water injection pipeline is controlled through the valve, a certain amount of water is injected into the hydrapulper 1 through the water injection pipeline, the water injection amount can be monitored through a liquid level transmitter arranged on a shell of the hydrapulper 1, the water injection is stopped after the water injection amount reaches a certain amount, and the water injection amount is 80% -90% of the volume of the shell of the hydrapulper.
The feeding unit comprises a chain plate conveyor 3 and a weighing device, wherein one end of the chain plate conveyor 3 is positioned on the upper side of a feeding hole of the hydrapulper 1. Waste paper raw materials are fed into the hydraulic pulper 1 through the chain plate conveyor 3, the chain plate conveyor 3 is provided with the weighing device, conveying capacity can be monitored, the chain plate conveyor 3 is provided with the variable-frequency speed regulating motor, and conveying speed of the chain plate conveyor 3 can be controlled.
The discharging unit comprises a discharging pump 5, a discharging valve and a liquid storage tank 6. The concentration of the pulping is monitored by a concentration detector arranged on the shell of the hydrapulper 1, and when the concentration reaches a set concentration value, the discharge pump 5 and the discharge valve are started to pump pulp.
When the liquid level is lower than the set value, a valve on the water injection pipeline is automatically opened, and simultaneously, the concentration detected by the concentration detector is compared with the preset concentration range, so that whether the chain plate conveyor 3 is started to input a proper amount of raw materials is determined, the crushed pulp concentration and the crushed pulp liquid level are ensured to reach the set numerical range, and the crushed concentration is 3.5-4.5%.
The first impurity processing unit comprises a twisted rope 7, a twisted rope machine 8 and a rope shearing machine 9, and one end of the twisted rope 7 is positioned in the hydrapulper 1. The twisted rope 7 put into the hydrapulper 1 is twisted out through the rope twisting machine 8, the speed of the twisted rope 7 can be set by the rope twisting machine 8, the twisted rope 7 can be continuously twisted, the discontinuous twisted rope 7 can be set, and the twisted rope can be specifically set and adjusted according to the raw material condition.
The rear side of the rope twisting machine 8 is provided with a rope shearing machine 9, the speed of the rope shearing machine 9 is set according to the speed of a twisted rope 7 of the rope twisting machine 8, the twisted rope 7 is sheared for one time after a certain time value, and the whole shearing process is automatically controlled.
The impurity processing unit comprises a hydraulic slag removing machine 10, and the hydraulic slag removing machine is connected with a hydraulic pulper through a sediment well 2. The slag discharging system of the hydraulic slag removing machine 10 comprises six processes of slurry feeding back flushing, slurry feeding, disintegrating, cleaning, light slag discharging and heavy slag discharging, the whole slag discharging process is automatically controlled, and the whole slag discharging process is completed by setting the time of each process and opening and closing a valve. And the time of each process can be changed and set according to the difference of raw materials and the slag discharging effect.
The impurity processing unit III comprises a cylindrical screen 11, the cylindrical screen 11 is connected with a hydraulic slag remover, and the other side of the cylindrical screen is connected with a hydraulic pulper. One side of the sediment well 2 is provided with a grab bucket 4. Heavy slag at the bottom of the sediment well 2 after a period of pulping can be intermittently grabbed by the grab bucket 4, the grabbing time of the grab bucket 4 can be set according to the raw material condition, and the whole grabbing and grabbing processes of the grab bucket 4 are all automatically controlled.
The device is characterized by further comprising a control unit, wherein the feeding unit, the pulping unit, the discharging unit, the impurity processing unit I, the impurity processing unit II and the impurity processing unit III are respectively connected with the control unit. The grab 4 is also connected to the control unit.
The control unit comprises a controller, and parts such as a chain plate conveyor 3, a weighing device, a grab bucket 4, a rope shearing machine 9, a rope twisting machine 8, a hydraulic pulper 1, a hydraulic slag cleaning machine 10, a cylindrical screen 11, a discharging pump 5, a discharging valve, a valve on a water injection pipeline and the like are respectively connected, so that automatic control is realized.
Waste paper raw materials are put into a hydrapulper 1 through a chain plate conveyor 3, the pulp raw materials are pulped into fibers in the hydrapulper 1, good fiber raw materials are pumped out to a liquid storage tank 6 through a discharge pump 5, and the waste paper raw materials are doped with a plurality of impurities and are mixed with fiber pulp after being pulped and need to be removed through auxiliary equipment.
After pulping in the hydropulper 1, in addition to a portion of the good pulp, a pulp containing impurities is produced.
A part of slurry containing impurities is discharged into a hydraulic slag removal machine 10 through a sediment well 2 communicated with a hydraulic pulper 1, the hydraulic slag removal machine 10 carries out processes of disintegrating, cleaning and the like on impurity raw materials, and the good fiber raw materials are pumped to a liquid storage tank 6 through a discharge pump 5.
Discharging impurities remained in the shell of the hydraulic slag remover 10 into the cylindrical screen 11, cleaning again, recovering good fiber raw materials doped in the impurities, putting the fiber raw materials into the hydraulic pulper 1, and finally discharging the cleaned impurities.
Another part of the impurities comes into contact with the ragger ropes 7 thrown into the hydropulper 1, so that the impurities are gradually wound around the ragger ropes 7 as the pulp rotates in the hydropulper 1, forming large ragger ropes 7.
Rope winch 8 slowly pulls out stranded rope 7 from hydrapulper 1, and the impurity stranded rope 7 that pulls out cuts out through rope winch 9 of cutting of 8 one sides of rope winch, cuts out to the length that can effectively collect the transportation of being convenient for, and whole stranded rope 7 is whole for manual control with cut the rope process.
After a period of pulping, some heavy impurities can be deposited at the bottom of the sediment well 2 and need to be grabbed out through the grab bucket 4.