CN108016070B - Banana tree waste chopping and dewatering equipment and method - Google Patents
Banana tree waste chopping and dewatering equipment and method Download PDFInfo
- Publication number
- CN108016070B CN108016070B CN201710495235.6A CN201710495235A CN108016070B CN 108016070 B CN108016070 B CN 108016070B CN 201710495235 A CN201710495235 A CN 201710495235A CN 108016070 B CN108016070 B CN 108016070B
- Authority
- CN
- China
- Prior art keywords
- squeezing
- chopping
- banana tree
- control system
- tree waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/14—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/02—Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis
- A01F29/04—Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis with feeding direction transverse to axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/26—Programme control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/125—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/127—Feed means
Abstract
The invention provides banana tree waste chopping and dehydrating equipment and a method, which comprise a chopping part, a squeezing part, a discharging part, a compression roller mechanism, a conveying belt, a frame, a forced feeding part, a barrier door, a control system and a detection device, wherein the forced feeding part is matched with the squeezing part to squeeze and dehydrate materials, the detection device detects the discharged dehydration rate and feeds the detected dehydration rate back to the control system, and the control system controls the dehydration process by selecting parameters such as reasonable squeezing cavity length, barrier door working pressure and the like, so that the dehydration rate of banana tree waste is controllable, the dehydration rate in the banana waste can reach 75%, the control is accurate, and the dehydration efficiency is high.
Description
Technical Field
The invention relates to a crusher, in particular to banana tree waste squeezing and dehydrating equipment and a method with controllable dehydration rate.
Background
Waste banana stems, leaves, fruit stalks and other waste are not reasonably and effectively utilized and are stacked everywhere due to the lack of efficient dehydration equipment and method for the banana stems, leaves, fruit stalks and other waste, so that the environment is polluted. At present, the banana tree waste dehydration equipment and method are as follows: chinese patent CN105618213A discloses a novel feed processing device for crushing and dewatering, which comprises a frame, a feed inlet, a discharge outlet, a crushing mechanism and a dewatering mechanism, wherein the crushing mechanism comprises two rotating shafts which relatively rotate from top to bottom and from outside to inside and moving cutter sets which are arranged at intervals along the axial direction of the rotating shafts; the dehydration mechanism comprises a spiral shaft and an annular filter screen arranged on the periphery of the spiral shaft; the dewatering structure is located below the crushing mechanism. The two rollers are adopted for crushing and cutting in opposite directions, so that the problems that the straws of crops such as bananas slide and are not easy to cut and the like are solved, and the cutting and crushing efficiency is improved; chinese patent CN204317086U discloses a banana straw pulverizer, which comprises a casing (9), a feed inlet (4), a rolling wheel (3), a motor (5), a spiral cutter (7) and a discharge outlet (8); feed inlet (4) set up at casing (9) lateral wall, be the material way between feed inlet (4) and discharge gate (8), two rolling wheel (3) correspond respectively and set up in two walls departments of material way, spiral cutter (7) are arranged in the material way, spiral cutter (7) are driven by motor (5), can accomplish work such as dehydration of banana straw, transportation, smash and collection, its rate of cutting up and reliability are all very high, satisfy the banana straw completely and cut up the requirement of returning to the field, and simple structure, low cost. The banana tree waste has wide application fields, can be used for industries such as feed production, pharmacy, papermaking and ethanol production, has different dehydration rates in various fields, can achieve the dehydration function, but has uncontrollable dehydration interest rate, is difficult to meet the requirements of different application occasions on the differentiation of the dehydration rates, adopts manual control, and has low automation degree and low dehydration efficiency in the dehydration process.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the equipment and the method for chopping and dehydrating the banana tree waste, the dehydration rate is controllable, the dehydration capacity is strong, the dehydration rate in the banana waste can reach 75%, the control is accurate, and the dehydration efficiency is high.
The invention provides banana tree waste chopping and dewatering equipment which comprises a chopping part (1), a pressing part (2), a discharging part (3), a press roller mechanism (4), a conveying belt (10) and a rack (5), wherein the conveying belt (10), the press roller mechanism (4) and the chopping part (1) are sequentially installed from one side of the upper part of the rack (5), the pressing part (2) is installed at the lower part of the rack (5), the pressing part (2) comprises a pressing cavity (21) and a spiral structure (22) in the pressing cavity (21), the discharging part (3) is installed at the tail end of the pressing part (2), the chopping part (1) is positioned above the pressing part (2), the banana tree waste chopping and dewatering equipment further comprises a forced feeding part (6), a blocking door (7), a detection device (8) and a control system (9), the forced feeding part (6) is installed between the pressing part (2) and the chopping part (1), the forced feeding part (6) is of a worm structure and is matched with the spiral structure (22), the forced feeding part (6) is matched with a spiral structure (22) of the squeezing part (2) to forcibly press the chopped materials into the squeezing part (2), the discharging part (3) is provided with a blocking door (7) which can be opened in a rotating way, the dehydrated materials are discharged through the blocking door (7) which is opened in the rotating way, the detection device (8) is arranged on the discharging part (3) and is used for detecting the dehydration rate of the dehydrated materials, the detection device (8) is arranged on the discharging part (3), the chopping part (1), the squeezing part (2), the compression roller mechanism (4), the conveying belt (10), the blocking door (7) and the detection device (8) are connected with a control system (9) through leads, the control system (9) controls the working pressure of the blocking door (7), the set value of the dehydration rate, the feeding speed of the conveying belt (10), the rotating speed of the chopping part (1) and the length of the squeezing cavity (21), and the working pressure of the stop gate (7) is adjusted according to the dehydration rate detection result fed back by the detection device (8).
Preferably, the helix angle of helical structure (22) is 20 degrees, has realized forcing feed portion (6) to cooperate the rotation axis unidirectional rotation of helical structure (22), has the self-locking function, can guarantee higher squeezing efficiency again can guarantee the stability of feeding again.
Preferably, one end of the spiral structure (22) is in bearing connection with the pressing cavity (21), and the other end is suspended.
The invention also provides a banana tree waste chopping and dehydrating method, which comprises the following steps:
step 1, initializing a pressure value of the stop gate (7) through a control system and setting a dehydration rate set value;
step 2, setting the feeding speed of the conveying belt (10) and the rotating speed of the shredding part (1), the length of the squeezing cavity (21) and the working pressure of the barrier gate (7) through a control system, wherein the calculation formula of the length of the squeezing cavity (21) is as follows:
L＝144.23ln(X)-263.25；
wherein, L is the length (mm) of the squeezing cavity (21), and X is the dehydration rate (%);
the working pressure calculation formula of the stop gate (7) is as follows:
Fn＝Pη104/SNDsinβ；
wherein Fn is the working pressure (Mpa) of the stop gate (7), beta is the helical angle (°) of the helix, D is the outer diameter (mm) of the helical structure (22), P is the motor power (W) of the squeezing part (2), eta is the transmission factor, is the motor rotating speed (r/min) of the squeezing part (2), and S is the area (mm2) of the discharging part (3);
the transmission factor eta is calculated by the formula:
η＝9.10(L/d)2-7.22(L/d)+4.31；
wherein L is the length (mm) of the pressing cavity (21), and d is the diameter (mm) of the pressing cavity (21);
step 3, the control system controls the stop gate (7) to be closed, banana tree waste is put into the conveying belt (10), conveyed to the compression roller mechanism (4) through the conveying belt (10), then enters the forced feeding part (6) after being chopped by the chopping part (1), the chopped banana tree waste is pressed into the squeezing part (2) by the forced feeding part (6), the spiral structure (22) of the squeezing part (2) is matched with the closed discharging part (3) to squeeze and dewater the banana tree waste, and water contained in the banana tree waste is squeezed and discharged;
step 5, the detection device (8) detects the dehydration rate of the discharged banana tree waste, when the dehydration rate of the squeezed discharged waste is smaller than the set value of the dehydration rate in the step 1, the control system (9) controls the stop gate (7) to close, increases the working pressure value of the stop gate (7), the increase value is 1% Fn, and repeats the steps 3-5; when the dehydration rate of the squeezed waste is greater than or equal to the set dehydration rate value in the step 1, the control system (9) controls the stop door (7) to keep an open state until the chopping dehydration is finished, and the machine is stopped.
Preferably, the ratio of the length to the diameter of the squeezing cavity (21) is 0.71-1.13, and the ratio of the length to the diameter of the squeezing cavity is ensured to be within a certain range, so that a better squeezing and dewatering effect is achieved.
Preferably, the particle size of the chopped particles is 10mm to 30 mm.
Preferably, the working pressure of the stop gate (7) is 1.6MPa to 3.3 MPa.
Preferably, the set dehydration rate is 30% to 75%.
The technical scheme has the following beneficial effects:
the length and the diameter of the squeezing cavity and the working pressure of the barrier door (7) are calculated and set through the control system, so that the dehydration rate of the banana tree waste is controllable, the requirement on the difference of the dehydration rates of the banana tree waste in different application occasions is met, and the utilization rate of the banana tree waste is improved; the chopped materials are forcibly pressed into the squeezing cavity by the forced feeding part with a turbofan structure, and the banana tree waste is dehydrated in a spiral squeezing mode, so that the dehydrating capacity is high, the dehydrating rate can reach 75% at most, and the application range of the banana tree waste is expanded; the automatic control system is adopted to control working parameters, the dehydration process is automatically controlled, the labor force is reduced, the control precision is improved, and the dehydration efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a banana tree waste shredding and dehydrating device according to the present invention.
Fig. 2 is a top view of the banana tree waste chopping and dewatering device according to the present invention.
Fig. 3 is a schematic structural view of a forced feeding part of the banana tree waste chopping and dehydrating device.
In the figure: 1. the automatic feeding device comprises a chopping part, a squeezing cavity, a spiral structure, a discharging part, a pressing roller mechanism, a frame, a forced feeding part, a pressing roller mechanism, a.
Detailed Description
The invention is described below with reference to the accompanying drawings and examples.
Example 1:
as shown in fig. 1 and 2: a banana tree waste chopping and dewatering device comprises a chopping part (1), a pressing part (2), a discharging part (3), a press roller mechanism (4), a conveying belt (10) and a rack (5), wherein the conveying belt (10), the press roller mechanism (4) and the chopping part (1) are sequentially installed from one side of the upper part of the rack (5), the pressing part (2) is installed at the lower part of the rack (5), the pressing part (2) comprises a pressing cavity (21) and a spiral structure (22) in the pressing cavity (21), the discharging part (3) is installed at the tail end of the pressing part (2), the chopping part (1) is positioned above the pressing part (2), the banana tree waste chopping and dewatering device further comprises a forced feeding part (6), a blocking door (7), a detection device (8) and a control system (9), the forced feeding part (6) is installed between the pressing part (2) and the chopping part (1), the forced feeding part (6) is of a worm structure and is matched with the spiral structure (22), the forced feeding part (6) is matched with a spiral structure (22) of the squeezing part (2) to forcibly press the chopped materials into the squeezing part (2), the discharging part (3) is provided with a detecting device (8) which is arranged on the discharging part (3) and is used for detecting the dehydration rate of the dehydrated materials, the detecting device (8) is arranged on the discharging part (3), the chopping part (1), the squeezing part (2), the compression roller mechanism (4), the conveying belt (10), the blocking door (7) and the detecting device (8) are connected with a control system (9) through leads, the control system (9) controls the working pressure of the blocking door (7), the setting value of the dehydration rate, the feeding speed of the conveying belt (10), the rotating speed of the chopping part (1) and the length of the squeezing cavity (21), and the working pressure of the stop gate (7) is adjusted according to the dehydration rate detection result fed back by the detection device (8).
As shown in fig. 3: the helix angle of helical structure (22) is 20, has realized forcing feed portion (6) to cooperate the rotation axis unidirectional rotation of helical structure (22), has the self-locking function, can guarantee higher efficiency of squeezing and can guarantee the stability of feeding again. One end of the spiral structure (22) is connected with the squeezing cavity (21) through a bearing, and the other end is suspended.
The dehydration method comprises the following steps:
step 1, initializing the working pressure of a stop gate (7) by a control system and setting the dehydration rate to be 30%;
step 2, setting the feeding speed of the conveyer belt (10) to be 0.5m/s and the rotating speed of the chopping part (1) to be 500r/min through a control system, wherein the control system is used for controlling the feeding speed of the conveyer belt (10) to be 0.5m/s according to a formula: l144.23 ln (X) -263.25, L being the length (mm) of the press chamber (21), X being the dewatering rate 30%, the length of the press chamber (21) being calculated and set to 227mm,
the control system is based on the formula Fn-P η 104Fn is the working pressure (Mpa) of the barrier gate (7), β is the spiral angle (20 degrees), D is the outer diameter (300mm) of the spiral structure (22), P is the motor power (5500W) of the squeezing part (2), N is the motor rotating speed (16r/min) of the squeezing part (2), and S is the cross-sectional area (7.94 × 10) of the discharging part (3)4mm2)，
η is the transmission factor, η is the formula η ═ 9.10(L/d)2-7.22(L/d) +4.31, L being the length (227mm) of the pressing chamber (21), d being the diameter (318mm) of the pressing chamber (21), the ratio L/d of the length to the diameter of the pressing chamber (21) being 0.71, η being 3.6, the operating pressure of the barrier gate (7) being calculated and set to 1.53 Mpa;
step 3, the control system controls the stop door (7) to be closed, banana tree waste is put into the conveying belt (10), conveyed to the compression roller mechanism (4) through the conveying belt (10), then enters the forced feeding part (6) after being chopped by the chopping part (1), the chopped banana tree waste is pressed into the squeezing part (2) by the forced feeding part (6), the spiral structure (22) of the squeezing part (2) is matched with the closed discharging part (3) to squeeze and dewater the banana tree waste, and water contained in the banana tree waste is squeezed and discharged;
step 5, the detection device (8) detects the dehydration rate of the discharged banana tree waste, when the dehydration rate of the squeezed discharged waste is smaller than the set value of the dehydration rate in the step 1, the control system (9) controls the stop gate (7) to close, the control system (9) increases the working pressure of the stop gate (7) by 0.015MPa, and the step 3 to the step 5 are repeated; when the dehydration rate of the squeezed waste is greater than or equal to the set dehydration rate value in the step 1, the control system (9) controls the stop door (7) to keep an open state until the chopping dehydration is finished, and the machine is stopped.
Example 2:
as shown in fig. 1 and 2: a banana tree waste chopping and dewatering device comprises a chopping part (1), a pressing part (2), a discharging part (3), a press roller mechanism (4), a conveying belt (10) and a rack (5), wherein the conveying belt (10), the press roller mechanism (4) and the chopping part (1) are sequentially installed from one side of the upper part of the rack (5), the pressing part (2) is installed at the lower part of the rack (5), the pressing part (2) comprises a pressing cavity (21) and a spiral structure (22) in the pressing cavity (21), the discharging part (3) is installed at the tail end of the pressing part (2), the chopping part (1) is positioned above the pressing part (2), the banana tree waste chopping and dewatering device further comprises a forced feeding part (6), a blocking door (7), a detection device (8) and a control system (9), the forced feeding part (6) is installed between the pressing part (2) and the chopping part (1), the forced feeding part (6) is of a worm structure and is matched with the spiral structure (22), the forced feeding part (6) is matched with a spiral structure (22) of the squeezing part (2) to forcibly press the chopped materials into the squeezing part (2), a blocking door (7) which can be opened in a rotating way is installed on the discharging part (3), the dehydrated materials are discharged through the blocking door (7) which is opened in the rotating way, a detection device (8) is installed on the discharging part (3) and is used for detecting the dehydration rate of the dehydrated materials, a detection device (8) is installed on the discharging part (3), the chopping part (1), the squeezing part (2), a compression roller mechanism (4), a conveying belt (10), the blocking door (7) and the detection device (8) are connected with a control system (9) through leads, the control system (9) controls the working pressure of the blocking door (7), the set value of the dehydration rate, the feeding speed of the conveying belt (10), the rotating speed of the chopping part (1) and the length of a squeezing cavity (21), and the working pressure of the stop gate (7) is adjusted according to the dehydration rate detection result fed back by the detection device (8).
As shown in fig. 3: the helix angle of helical structure (22) is 20, has realized forcing feed portion (6) to cooperate the rotation axis unidirectional rotation of helical structure (22), has the self-locking function, can guarantee higher efficiency of squeezing and can guarantee the stability of feeding again. One end of the spiral structure (22) is connected with the squeezing cavity (21) through a bearing, and the other end is suspended.
The dehydration method comprises the following steps:
step 1, initializing the working pressure of a stop gate (7) by a control system and setting the dehydration rate to 50%;
step 2, setting the feeding speed of the conveyer belt (10) to be 1.0m/s and the rotating speed of the chopping part (1) to be 500r/min through a control system, wherein the control system is used for controlling the feeding speed of the conveyer belt (10) to be 1.0m/s according to a formula: l144.23 ln (X) -263.25, L being the length (mm) of the press chamber (21), X being the dewatering ratio 50%, the length of the press chamber (21) being calculated and set to 300mm,
the control system is based on the formula Fn-P η 104Fn is the working pressure (Mpa) of the barrier gate (7), β is the spiral angle (20 degrees), D is the outer diameter (300mm) of the spiral structure (22), P is the motor power (5500W) of the squeezing part (2), N is the motor rotating speed (16r/min) of the squeezing part (2), and S is the cross-sectional area (7.94 × 10) of the discharging part (3)4mm2)，
η is the transmission factor, η is the formula η ═ 9.10(L/d)2-7.22(L/d) +4.31, L being the length (300mm) of the pressing chamber (21), d being the diameter (318mm) of the pressing chamber (21) the ratio L/d of the length to the diameter of the pressing chamber (21) being 0.95, η being 5.4, the operating pressure of the barrier gate (7) being calculated and set at 2.30 Mpa;
step 3, the control system controls the stop door (7) to be closed, banana tree waste is put into the conveying belt (10), conveyed to the compression roller mechanism (4) through the conveying belt (10), then enters the forced feeding part (6) after being chopped by the chopping part (1), the chopped banana tree waste is pressed into the squeezing part (2) by the forced feeding part (6), the spiral structure (22) of the squeezing part (2) is matched with the closed discharging part (3) to squeeze and dewater the banana tree waste, and water contained in the banana tree waste is squeezed and discharged;
step 5, the detection device (8) detects the dehydration rate of the discharged banana tree waste, when the dehydration rate of the squeezed discharged waste is smaller than the set value of the dehydration rate in the step 1, the control system (9) controls the stop gate (7) to close, the control system (9) increases the working pressure of the stop gate (7) by 0.023MPa, and the step 3 to the step 5 are repeated; when the dehydration rate of the squeezed waste is greater than or equal to the set dehydration rate value in the step 1, the control system (9) controls the stop door (7) to keep an open state until the chopping dehydration is finished, and the machine is stopped.
Example 3:
as shown in fig. 1 and 2: a banana tree waste chopping and dewatering device comprises a chopping part (1), a pressing part (2), a discharging part (3), a press roller mechanism (4), a conveying belt (10) and a rack (5), wherein the conveying belt (10), the press roller mechanism (4) and the chopping part (1) are sequentially installed from one side of the upper part of the rack (5), the pressing part (2) is installed at the lower part of the rack (5), the pressing part (2) comprises a pressing cavity (21) and a spiral structure (22) in the pressing cavity (21), the discharging part (3) is installed at the tail end of the pressing part (2), the chopping part (1) is positioned above the pressing part (2), the banana tree waste chopping and dewatering device further comprises a forced feeding part (6), a blocking door (7), a detection device (8) and a control system (9), the forced feeding part (6) is installed between the pressing part (2) and the chopping part (1), the forced feeding part (6) is of a worm structure and is matched with the spiral structure (22), the forced feeding part (6) is matched with a spiral structure (22) of the squeezing part (2) to forcibly press the chopped materials into the squeezing part (2), a blocking door (7) which can be opened in a rotating way is installed on the discharging part (3), the dehydrated materials are discharged through the blocking door (7) which is opened in the rotating way, a detection device (8) is installed on the discharging part (3) and is used for detecting the dehydration rate of the dehydrated materials, a detection device (8) is installed on the discharging part (3), the chopping part (1), the squeezing part (2), a compression roller mechanism (4), a conveying belt (10), the blocking door (7) and the detection device (8) are connected with a control system (9) through leads, the control system (9) controls the working pressure of the blocking door (7), the set value of the dehydration rate, the feeding speed of the conveying belt (10), the rotating speed of the chopping part (1) and the length of a squeezing cavity (21), and the working pressure of the stop gate (7) is adjusted according to the dehydration rate detection result fed back by the detection device (8).
As shown in fig. 3: the helix angle of helical structure (22) is 20, has realized forcing feed portion (6) to cooperate the rotation axis unidirectional rotation of helical structure (22), has the self-locking function, can guarantee higher efficiency of squeezing and can guarantee the stability of feeding again. One end of the spiral structure (22) is connected with the squeezing cavity (21) through a bearing, and the other end is suspended.
The dehydration method comprises the following steps:
step 1, initializing the working pressure of a stop gate (7) by a control system and setting the dehydration rate to be 75%;
step 2, setting the feeding speed of the conveyer belt (10) to be 1.5m/s and the rotating speed of the chopping part (1) to be 500r/min through a control system, wherein the control system is used for controlling the feeding speed of the conveyer belt (10) to be 1.5m/s according to a formula: l144.23 ln (X) -263.25, L being the length (mm) of the press chamber (21), X being the dewatering rate 75%, the length of the press chamber (21) being calculated and set to 360mm,
the control system is based on the formula Fn-P η 104Fn is the working pressure (Mpa) of the barrier gate (7), β is the spiral angle (20 degrees), D is the outer diameter (300mm) of the spiral structure (22), P is the motor power (5500W) of the squeezing part (2), N is the motor rotating speed (16r/min) of the squeezing part (2), and S is the cross-sectional area (7.94 × 10) of the discharging part (3)4mm2)，
η is the transmission factor, η is the formula η ═ 9.10(L/d)2-7.22(L/d) +4.31, L being the length (300mm) of the pressing chamber (21), d being the diameter (318mm) of the pressing chamber (21) the ratio L/d of the length to the diameter of the pressing chamber (21) being 1.13, η being 7.6, the operating pressure of the barrier gate (7) being calculated and set at 3.21 Mpa;
step 3, the control system controls the stop door (7) to be closed, banana tree waste is put into the conveying belt (10), conveyed to the compression roller mechanism (4) through the conveying belt (10), then enters the forced feeding part (6) after being chopped by the chopping part (1), the chopped banana tree waste is pressed into the squeezing part (2) by the forced feeding part (6), the spiral structure (22) of the squeezing part (2) is matched with the closed discharging part (3) to squeeze and dewater the banana tree waste, and water contained in the banana tree waste is squeezed and discharged;
step 5, the detection device (8) detects the dehydration rate of the discharged banana tree waste, when the dehydration rate of the squeezed discharged waste is smaller than the set value of the dehydration rate in the step 1, the control system (9) controls the stop gate (7) to close, the control system (9) increases the working pressure of the stop gate (7) to 0.032Mpa, and the step 3 to the step 5 are repeated; when the dehydration rate of the squeezed waste is greater than or equal to the set dehydration rate value in the step 1, the control system (9) controls the stop door (7) to keep an open state until the chopping dehydration is finished, and the machine is stopped.
The performance ratio of the embodiment of the invention to the common dehydration equipment is as follows:
| rate of dewatering | Preset value (%) | Actual value (%) |
| Example 1 | 30 | 29.5 |
| Example 2 | 50 | 51.1 |
| Example 3 | 75 | 74.6 |
| Common dewatering equipment | Can not be preset | 30～50 |
Therefore, the length and the diameter of the squeezing cavity and the working pressure of the barrier door are calculated and set through the control system, the dehydration rate of the banana tree waste is controllable, the requirement on the difference of the dehydration rates of the banana tree waste in different application occasions is met, and the utilization rate of the banana tree waste is improved; the chopped materials are forcibly pressed into the squeezing cavity by the forced feeding part with a turbofan structure, and the banana tree waste is dehydrated in a spiral squeezing mode, so that the dehydrating capacity is high, the dehydrating rate can reach 75% at most, and the application range of the banana tree waste is expanded; the automatic control system is adopted to control working parameters, the dehydration process is automatically controlled, the labor force is reduced, the control precision is improved, and the dehydration efficiency is improved.
Claims (7)
1. The utility model provides a banana tree discarded object shredding and dewatering equipment, includes shredding portion (1), press portion (2), ejection of compact portion (3), compression roller mechanism (4), conveyer belt (10) and frame (5), follows one side on frame (5) upper portion is installed in proper order conveyer belt (10) compression roller mechanism (4) with shredding portion (1), install in frame (5) lower part squeezing portion (2), press portion (2) including squeeze chamber (21) with spiral structure (22) in squeezing chamber (21), install ejection of compact portion (3) the end of squeezing portion (2), shredding portion (1) is located squeezing portion (2) top, its characterized in that: the automatic material feeding device is characterized by further comprising a forced feeding part (6), a blocking door (7), a detection device (8) and a control system (9), wherein the forced feeding part (6) is installed between the squeezing part (2) and the shredding part (1), the forced feeding part (6) is of a volute structure and is matched with the spiral structure (22), the blocking door (7) capable of being opened in a rotating mode is installed on the discharging part (3), the detection device (8) is installed on the discharging part (3), and the control system (9) is installed on the rack (5) and is connected with the shredding part (1), the squeezing part (2), the compression roller mechanism (4), the conveying belt (10), the blocking door (7) and the detection device (8) through wires; the working method of the banana tree waste chopping and dehydrating device comprises the following steps: step 1, initializing a pressure value of the stop gate (7) through a control system and setting a dehydration rate set value;
step 2, setting the feeding speed of the conveying belt (10), the rotating speed of the chopping part (1), the length of the squeezing cavity (21) and the working pressure of the stop gate (7) through a control system,
the length calculation formula of the pressing cavity (21) is as follows:
l144.23 ln (X) -263.25, wherein L is the length mm of the pressing chamber (21) and X is the dehydration percentage;
the working pressure calculation formula of the stop gate (7) is as follows:
Fn＝Pη104/SNDsinβ；
wherein Fn is the working pressure Mpa of the stop gate (7), β is the spiral angle of the spiral, D is the outer diameter mm of the spiral structure (22), P is the motor power W of the squeezing part (2), η is the transmission factor, N is the motor rotating speed r/min of the squeezing part (2), and S is the area mm of the discharging part (3)2；
The transmission factor eta is calculated by the formula:
η＝9.10(L/d)2-7.22(L/d)+4.31；
wherein L is the length mm of the pressing cavity (21), and d is the diameter mm of the pressing cavity (21);
step 3, the control system controls the stop gate (7) to be closed, banana tree waste is put into the conveying belt (10), conveyed to the compression roller mechanism (4) through the conveying belt (10), then enters the forced feeding part (6) after being chopped by the chopping part (1), the chopped banana tree waste is pressed into the squeezing part (2) by the forced feeding part (6), the spiral structure (22) of the squeezing part (2) is matched with the closed discharging part (3) to squeeze and dewater the banana tree waste, and water contained in the banana tree waste is squeezed and discharged;
step 4, when the pressure of the pressing part (2) on the stop gate (7) exceeds the working pressure of the stop gate (7) in the step 2, the control system (9) controls the stop gate (7) to be automatically opened, and the materials are automatically discharged;
step 5, the detection device (8) detects the dehydration rate of the discharged banana tree waste, when the dehydration rate of the squeezed discharged waste is smaller than the set value of the dehydration rate in the step 1, the control system (9) controls the stop gate (7) to close, increases the working pressure value of the stop gate (7), the increase value is 1% Fn, and repeats the steps 3-5; when the dehydration rate of the squeezed waste is larger than or equal to the set dehydration rate value in the step 1, the control system (9) controls the stop door (7) to keep an open state until the chopping dehydration is finished, and the machine is stopped.
2. The banana tree waste chopping and dehydrating device as claimed in claim 1, wherein: the helix angle of the helix (22) is 20 °.
3. The banana tree waste chopping and dehydrating device as claimed in claim 1, wherein: one end of the spiral structure (22) is connected with the squeezing cavity (21) through a bearing, and the other end of the spiral structure is suspended.
4. A method of operating the banana tree waste shredding and dewatering apparatus of any one of claims 1 to 3, characterised in that: the ratio of the length to the diameter of the squeezing cavity (21) is 0.71-1.13.
5. The operating method of the banana tree waste chopping and dehydrating device as claimed in claim 4, wherein: the particle size of the chopped particles is 10-30 mm.
6. The operating method of the banana tree waste chopping and dehydrating device as claimed in claim 4, wherein: the working pressure of the stop gate (7) is 1.6-3.3 Mpa.
7. The operating method of the banana tree waste chopping and dehydrating device as claimed in claim 4, wherein: the set value of the dehydration rate is 30-75%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495235.6A CN108016070B (en) | 2017-06-26 | 2017-06-26 | Banana tree waste chopping and dewatering equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495235.6A CN108016070B (en) | 2017-06-26 | 2017-06-26 | Banana tree waste chopping and dewatering equipment and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108016070A CN108016070A (en) | 2018-05-11 |
| CN108016070B true CN108016070B (en) | 2020-10-16 |
Family
ID=62079152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710495235.6A Active CN108016070B (en) | 2017-06-26 | 2017-06-26 | Banana tree waste chopping and dewatering equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108016070B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463783A (en) * | 2018-12-25 | 2019-03-15 | 济南大学 | A kind of squeezing axis and its vegetable dehydrator using squeezing axis |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618213A (en) * | 2016-03-23 | 2016-06-01 | 广西壮族自治区农业科学院农产品加工研究所 | Novel crushing and dehydrating feed processing equipment |
| CN105922617A (en) * | 2016-04-28 | 2016-09-07 | 中国农业大学 | High-moisture forage grass and straw dewatering device |
| CN106733074A (en) * | 2016-11-25 | 2017-05-31 | 广西壮族自治区农业科学院农产品加工研究所 | A kind of reducing mechanism and the crushing pressing integrated equipment comprising it |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2747754B2 (en) * | 1992-04-21 | 1998-05-06 | 日立機電工業株式会社 | Sewage treatment apparatus and operating method thereof |
| CN203389726U (en) * | 2013-05-13 | 2014-01-15 | 深圳市三盛环保科技有限公司 | Automatic organic material crushing and dewatering machine |
-
2017
- 2017-06-26 CN CN201710495235.6A patent/CN108016070B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618213A (en) * | 2016-03-23 | 2016-06-01 | 广西壮族自治区农业科学院农产品加工研究所 | Novel crushing and dehydrating feed processing equipment |
| CN105922617A (en) * | 2016-04-28 | 2016-09-07 | 中国农业大学 | High-moisture forage grass and straw dewatering device |
| CN106733074A (en) * | 2016-11-25 | 2017-05-31 | 广西壮族自治区农业科学院农产品加工研究所 | A kind of reducing mechanism and the crushing pressing integrated equipment comprising it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108016070A (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109328674B (en) | Straw wet material smashing and pelleting device | |
| CN202876874U (en) | Vegetable garbage disposal machine | |
| CN106733074A (en) | A kind of reducing mechanism and the crushing pressing integrated equipment comprising it | |
| CN107397245A (en) | The straw granulator that a kind of anti-feeding blocks | |
| CN108016070B (en) | Banana tree waste chopping and dewatering equipment and method | |
| CN207825281U (en) | A kind of plastic crushing Double Selection device | |
| CN207084000U (en) | Agaric grinding processing equipment | |
| CN205889959U (en) | Embryo machine is rolled to tea -seed oil fruit | |
| CN107087771B (en) | Pickle dish raw materials continuous dehydration equipment | |
| CN206229495U (en) | A kind of reducing mechanism and the crushing pressing integrated equipment comprising it | |
| CN108544782A (en) | A kind of kitchen garbage pretreatment all-in-one machine | |
| CN211808016U (en) | Plastic film wringing machine | |
| CN103431508A (en) | Bulking machine | |
| CN108000923B (en) | A kind of rectilinear dewatering integrated device and method thereof of electro-osmosis screw extrusion | |
| CN206853855U (en) | A kind of straw millstone for being used to produce wood moulding aluminum matrix composite | |
| CN213984264U (en) | Extrusion dewatering mechanism | |
| CN204431766U (en) | Compressing structure in screw extrusion dehydration | |
| CN205467471U (en) | Rotatory extrusion device of squeezer is recycled to fruit that falls to ground | |
| CN102258902A (en) | Single-screw dehydration, drying and puffing equipment | |
| CN210234081U (en) | Vertical solid-liquid separator for kitchen, fruit and vegetable garbage not easy to block | |
| CN210234082U (en) | Vertical solid-liquid separator for kitchen and fruit and vegetable garbage | |
| CN207016658U (en) | A kind of excrement dehydration equipment | |
| CN215775442U (en) | Poultry is bred and uses fodder granulation machine | |
| CN215935623U (en) | High-efficient straw briquetting machine | |
| CN220675063U (en) | Secondary extrusion device for fruit and vegetable juice squeezer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |