CN201423302Y - Fertilizer crushing and screening device - Google Patents

Fertilizer crushing and screening device Download PDF

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Publication number
CN201423302Y
CN201423302Y CN2009201091958U CN200920109195U CN201423302Y CN 201423302 Y CN201423302 Y CN 201423302Y CN 2009201091958 U CN2009201091958 U CN 2009201091958U CN 200920109195 U CN200920109195 U CN 200920109195U CN 201423302 Y CN201423302 Y CN 201423302Y
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CN
China
Prior art keywords
screen
screening
turning cylinder
gear
axle sleeve
Prior art date
Application number
CN2009201091958U
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Chinese (zh)
Inventor
李亚星
徐秋明
范京松
Original Assignee
北京市农林科学院
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Publication date
Application filed by 北京市农林科学院 filed Critical 北京市农林科学院
Priority to CN2009201091958U priority Critical patent/CN201423302Y/en
Application granted granted Critical
Publication of CN201423302Y publication Critical patent/CN201423302Y/en

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Abstract

The utility model relates to a fertilizer crushing and screening device, which is characterized in that the device comprises a frame, a crushing room and a driving device; the crushing room adopts roller screen type design and comprises a rotating shaft, a screen drum and a shaft sleeve with cutting knives; the two ends of the rotating shaft are supported on the frame through a bearing, and the shaft sleeve is arranged outside the rotating shaft through a bearing rotating sleeve; the screen drum comprises two circular supports fixed on the rotating shaft, wherein a framework of the screen drumis formed by ring-shaped or spiral-shaped and axially arranged steel bars between the two supports, and a screen mesh is fixed on the framework to form the screen drum; a feed hopper is mounted at one end of the screen drum, and a discharge hole is arranged on the screen mesh of the other end thereof; a plurality groups of cutting knives are arranged and welded in straight line or spiral shape onto the shaft sleeve in the screen drum; the driving device comprises a three phase asynchronous machine, the output end thereof is connected with an actuator which is connected to a driving rotating shaft and a transmission mechanism with the shaft sleeve rotating reversely. The utility model can be applied to the crushing and screening of urea-formaldehyde fertilizer as well as other materials with similar qualities.

Description

A kind of fertilizer crushing and screening device

Technical field

The utility model relates to a kind of crushing and screening device, particularly about a kind of fertilizer crushing and screening device that is applicable to urea-formaldehyde fertilizer.

Background technology

Urea-formaldehyde fertilizer is the solid-state slow release fertilizer that is formed by urea and formaldehyde condensation, and it needs further granulation or fragmentation, uses to make things convenient for fertilizer.At present, generally adopt methods such as extruder grain or direct fragmentation, solid-state urea-formaldehyde fertilizer is made different grain type and granular size, thereby make the slowly-releasing degree difference of fertilizer, be fit to be applied to different crops.

At present, the disintegrating machine that China uses mainly contains jaw crusher, gyratory crusher, impact breaker etc., its principle is based on the fragmentation that effects such as bump between material and machine wall or material and the material, extruding reach material mostly, be widely used in industries such as mine, metallurgy, relatively be suitable for the rigidity material.But the fragility of urea-formaldehyde fertilizer is less, through test pushing with above disintegrating machine or the effect of impact under easy deformation and crushing effect is undesirable.

Summary of the invention

At the problems referred to above, the purpose of this utility model is to propose a kind ofly to be applicable to that broken viscosity is bigger, the crushing and screening device of the urea-formaldehyde fertilizer that fragility is less.

For achieving the above object, the utility model is taked following technical scheme: a kind of fertilizer crushing and screening device, and it is characterized in that: it comprises frame, crushing chamber and drive unit; Described crushing chamber adopts the design of roller screen formula, and it comprises that a turning cylinder, a screen drum and have the axle sleeve of cutting knife; On described frame, described axle sleeve is located at outside the described turning cylinder by the bearing turning set by bearings at described turning cylinder two ends; Described screen drum comprises two circular supports that are fixed on the described turning cylinder, constitute the skeleton of described screen drum between the two described supports by the steel bar of annular or helical form and axially setting, thereby fixed grit surrounds the described screen drum with screening function on the described skeleton; Described screen drum one end is equipped with feed hopper, offers discharging opening on the screen cloth of the other end; Some groups of described cutting knifes linearly or helical arrangement be welded on the described axle sleeve in the described screen drum, and the knife bar of described cutting knife is vertical with described axle sleeve; Described drive unit comprises a threephase asynchronous machine, and the output of described threephase asynchronous machine connects a speed setting controller, and described speed setting controller connects one and drives described turning cylinder and the counter-rotational transmission mechanism of axle sleeve.

The knife bar of described cutting knife and blade are 110~130 ° of angles, the supplied materials direction of described blade material in the described screen drum, and described blade is vertical with described turning cylinder.

Described transmission mechanism comprises a belt gear that is connected with described speed setting controller, described belt gear connects a driving shaft, described driving shaft is provided with two concentric gears (17,17 '), gear (17) connects a gear (19) that is fixed on the described turning cylinder by chain, gear (17 ') engagement one gear (19 ') that is fixed on the described axle sleeve, thus drive described turning cylinder and described axle sleeve backward rotation.

The axis of described turning cylinder and horizontal plane have 0.2 °~0.6 ° inclination angle, and feed end is a little more than discharge end.

Be divided into thick broken machine and thin broken machine according to the discharging-material size size: described thick broken adjacent two cutting knifes of machine distance in the axial direction is not less than 5cm, and the distance between blade and the screen cloth is not less than 2cm; Described thin broken adjacent two cutting knifes of machine distance in the axial direction is 0.5~5cm, and the distance between blade and the screen cloth is 0.2~2cm.

Described screen cloth is according to the different screen clothes of changing different apertures of the requirement of discharging-material size size.

The utility model is owing to take above technical scheme, and it has the following advantages: 1, crushing chamber of the present utility model adopts the design of roller screen formula, and utilizes the directly method of chopping of cutting knife, is applicable to that urea-formaldehyde fertilizer one class viscosity is bigger, the fragmentation of the less material of fragility.2, the utility model makes screen drum and the axle sleeve reverse rotation of being with cutting knife by the gear train of two groups of chains connections and gears engaged, therefore more helps the fragmentation of material.The screen drum design that 3 crushing chambers of the present utility model adopt screen cloth to surround, the material that is crushed to certain particle size can drain to beyond the crushing chamber at any time, not only reaches the purpose of decrement, and has also carried out the screening of the material of different-grain diameter in fragmentation.4, the utility model can be divided into thick broken machine and carefully broken machine according to the discharging-material size size, make material after thick broken machine is slightly broken, enter thin broken machine, be crushed to desirable granularity, make the broken target of each section outstanding, help decomposing the load of machine, increase work efficiency and product quality.The utility model can be applied to the crushing and screening of urea-formaldehyde fertilizer, also is applicable to the crushing and screening of other kin material.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present utility model

Fig. 2 is a crushing chamber structural representation of the present utility model

Fig. 3 is a cutter structure schematic diagram of the present utility model

Fig. 4 is a driving device structure schematic diagram of the present utility model

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in detail.

As shown in Figure 1 and Figure 2, the utility model comprises frame 1, crushing chamber 2 and drive unit 3.Crushing chamber 2 adopts the design of roller screen formula, and it comprises that a turning cylinder 4, a screen drum 5 and have the axle sleeve 7 of cutting knife 6.On frame 1, axle sleeve 7 is located at outside the turning cylinder 4 by the bearing turning set by bearings at turning cylinder 4 two ends.Screen drum 5 comprises two circular supports 8 that are fixed on the turning cylinder 4, constitute the skeleton 9 of screen drum 5 between the two stands 8 by the steel bar of annular or helical form and axially setting, thereby fixed grit 10 surrounds the screen drum 5 with screening function on the skeleton 9.Screen drum 5 one ends are equipped with feed hopper 11, offer discharging opening 12 on the screen cloth 10 of the other end.

As shown in Figure 3, some groups of cutting knifes 6 linearly or helical arrangement be welded on the axle sleeve 7 in the screen drum 5, and the knife bar 61 of cutting knife 6 is vertical with axle sleeve 7.The knife bar 61 of cutting knife 6 is 110~130 ° of angles with blade 62, the supplied materials direction of blade 62 material in the screen drum 5, and blade 62 is vertical with turning cylinder 4.

As shown in Figure 4, drive unit 3 of the present utility model comprises a threephase asynchronous machine 13, the output of threephase asynchronous machine 13 connects a speed setting controller 14, speed setting controller 14 connects a driving shaft 16 by a belt gear 15, driving shaft 16 be provided with two concentric gears 17,17 ', gear 17 connects a gear 19 that is fixed on the turning cylinder 4 by chain 18, gear 17 ' engagement one be fixed on gear 19 on the axle sleeve 7 ', thereby drive screen drum 5 and axle sleeve 7 backward rotation that have cutting knife 6.

In the foregoing description, the axis of turning cylinder 4 and horizontal plane have 0.2 °~0.6 ° inclination angle, and feed end is a little more than discharge end.

In the foregoing description, can be divided into thick broken machine and thin broken machine according to the discharging-material size size.Thick broken adjacent two cutting knifes 6 of machine distance in the axial direction is not less than 5cm, and the distance between blade 62 and the screen cloth 11 is not less than 2cm.Thin broken adjacent two cutting knifes 6 of machine distance in the axial direction is 0.5~5cm, and the distance between blade 62 and the screen cloth 11 is 0.2~2cm.

In the foregoing description, can change the screen cloth 11 in different apertures according to the requirement difference of discharging-material size size, as 2mm, 4mm and 6mm etc.

In the foregoing description, the rotating ratio that can regulate turning cylinder 4 and screen drum 5 as required is 1: 1~10.

When the utility model uses, threephase asynchronous machine 13 is by axle sleeve 7 backward rotation of speed setting controller 14 and each gear driven screen drum 5 and band cutting knife 6, material enters crushing chamber 2 backs from feed hopper 11 and is shredded by cutting knife 6 with the rolling of screen drum 5 on one side, the gradient with screen drum 5 moves to discharging opening 12 directions on one side, material less than screen cloth 10 apertures directly leaks down, remaining material comes out from discharging opening 12, broken once more as returning charge, thus finished product is divided into greater than screen cloth 10 apertures with less than the two parts in screen cloth 10 apertures.

The utility model only describes with the foregoing description; the structure of each parts, the position is set and connects and all can change to some extent; on the basis of technical solutions of the utility model; all improvement and equivalents of individual component being carried out according to the utility model principle all should not got rid of outside protection domain of the present utility model.

Claims (10)

1, a kind of fertilizer crushing and screening device, it is characterized in that: it comprises frame, crushing chamber and drive unit; Described crushing chamber adopts the design of roller screen formula, and it comprises that a turning cylinder, a screen drum and have the axle sleeve of cutting knife; On described frame, described axle sleeve is located at outside the described turning cylinder by the bearing turning set by bearings at described turning cylinder two ends; Described screen drum comprises two circular supports that are fixed on the described turning cylinder, constitute the skeleton of described screen drum between the two described supports by the steel bar of annular or helical form and axially setting, thereby fixed grit surrounds the described screen drum with screening function on the described skeleton; Described screen drum one end is equipped with feed hopper, offers discharging opening on the screen cloth of the other end;
Some groups of described cutting knifes linearly or helical arrangement be welded on the described axle sleeve in the described screen drum, and the knife bar of described cutting knife is vertical with described axle sleeve;
Described drive unit comprises a threephase asynchronous machine, and the output of described threephase asynchronous machine connects a speed setting controller, and described speed setting controller connects one and drives described turning cylinder and the counter-rotational transmission mechanism of axle sleeve.
2, a kind of fertilizer crushing and screening device as claimed in claim 1, it is characterized in that: the knife bar of described cutting knife and blade are 110~130 ° of angles, the supplied materials direction of described blade material in the described screen drum, and described blade is vertical with described turning cylinder.
3, a kind of fertilizer crushing and screening device as claimed in claim 1, it is characterized in that: described transmission mechanism comprises a belt gear that is connected with described speed setting controller, described belt gear connects a driving shaft, described driving shaft is provided with two concentric gears (17,17 '), gear (17) connects a gear (19) that is fixed on the described turning cylinder by chain, gear (17 ') engagement one gear (19 ') that is fixed on the described axle sleeve, thus drive described turning cylinder and described axle sleeve backward rotation.
4, a kind of fertilizer crushing and screening device as claimed in claim 2, it is characterized in that: described transmission mechanism comprises a belt gear that is connected with described speed setting controller, described belt gear connects a driving shaft, described driving shaft is provided with two concentric gears (17,17 '), gear (17) connects a gear (19) that is fixed on the described turning cylinder by chain, gear (17 ') engagement one gear (19 ') that is fixed on the described axle sleeve, thus drive described turning cylinder and described axle sleeve backward rotation.
5, as claim 1 or 2 or 3 or 4 described a kind of fertilizer crushing and screening devices, it is characterized in that: the axis of described turning cylinder and horizontal plane have 0.2 °~0.6 ° inclination angle, and feed end is a little more than discharge end.
6, as claim 1 or 2 or 3 or 4 described a kind of fertilizer crushing and screening devices, it is characterized in that: be divided into thick broken machine and thin broken machine according to the discharging-material size size: described thick broken adjacent two cutting knifes of machine distance in the axial direction is not less than 5cm, and the distance between blade and the screen cloth is not less than 2cm; Described thin broken adjacent two cutting knifes of machine distance in the axial direction is 0.5~5cm, and the distance between blade and the screen cloth is 0.2~2cm.
7, a kind of fertilizer crushing and screening device as claimed in claim 5, it is characterized in that: be divided into thick broken machine and thin broken machine according to the discharging-material size size: described thick broken adjacent two cutting knifes of machine distance in the axial direction is not less than 5cm, and the distance between blade (62) and the screen cloth (11) is not less than 2cm; Described thin broken adjacent two cutting knifes of machine distance in the axial direction is 0.5~5cm, and the distance between blade and the screen cloth is 0.2~2cm.
8, as claim 1 or 2 or 3 or 4 described a kind of fertilizer crushing and screening devices, it is characterized in that: described screen cloth is according to the different screen clothes of changing different apertures of the requirement of discharging-material size size.
9, a kind of fertilizer crushing and screening device as claimed in claim 5 is characterized in that: described screen cloth is according to the different screen clothes of changing different apertures of the requirement of discharging-material size size.
10, a kind of fertilizer crushing and screening device as claimed in claim 7 is characterized in that: described screen cloth is according to the different screen clothes of changing different apertures of the requirement of discharging-material size size.
CN2009201091958U 2009-06-18 2009-06-18 Fertilizer crushing and screening device CN201423302Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201091958U CN201423302Y (en) 2009-06-18 2009-06-18 Fertilizer crushing and screening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201091958U CN201423302Y (en) 2009-06-18 2009-06-18 Fertilizer crushing and screening device

Publications (1)

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CN201423302Y true CN201423302Y (en) 2010-03-17

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Family Applications (1)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101670307B (en) * 2009-06-18 2011-03-23 北京市农林科学院 Fertilizer crushing and screening device
CN106269113A (en) * 2016-08-04 2017-01-04 东台市鑫富达机械有限公司 A kind of grain processing flour milling machine
CN106391261A (en) * 2016-09-23 2017-02-15 重庆欣润农业开发有限公司 Hard-beancurd raw material separating and pulping machine
CN106733036A (en) * 2016-12-23 2017-05-31 裴迎新 A kind of fixed fertilizer breaker of agriculture big data
CN106835800A (en) * 2017-03-24 2017-06-13 合肥悦兰信息技术有限公司 A kind of vertical pulp screen cloth
CN107185673A (en) * 2017-05-31 2017-09-22 安徽铸星机械制造有限公司 A kind of cutter device for stirring pulverizer
CN107398417A (en) * 2017-08-02 2017-11-28 安徽乐农环保科技有限公司 A kind of screening installation and its application method of organic fertilizer processing
CN108212737A (en) * 2018-01-14 2018-06-29 马玉荣 A kind of planting industry screening fertilizer equipment

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101670307B (en) * 2009-06-18 2011-03-23 北京市农林科学院 Fertilizer crushing and screening device
CN106269113A (en) * 2016-08-04 2017-01-04 东台市鑫富达机械有限公司 A kind of grain processing flour milling machine
CN106391261A (en) * 2016-09-23 2017-02-15 重庆欣润农业开发有限公司 Hard-beancurd raw material separating and pulping machine
CN106391261B (en) * 2016-09-23 2019-05-21 广西梧州冰泉实业股份有限公司 Dried bean curd raw material separates fiberizer
CN106733036A (en) * 2016-12-23 2017-05-31 裴迎新 A kind of fixed fertilizer breaker of agriculture big data
CN106835800A (en) * 2017-03-24 2017-06-13 合肥悦兰信息技术有限公司 A kind of vertical pulp screen cloth
CN107185673A (en) * 2017-05-31 2017-09-22 安徽铸星机械制造有限公司 A kind of cutter device for stirring pulverizer
CN107185673B (en) * 2017-05-31 2019-02-05 安徽铸星机械制造有限公司 A kind of cutter device stirring pulverizer
CN107398417A (en) * 2017-08-02 2017-11-28 安徽乐农环保科技有限公司 A kind of screening installation and its application method of organic fertilizer processing
CN108212737A (en) * 2018-01-14 2018-06-29 马玉荣 A kind of planting industry screening fertilizer equipment

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GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20100317

Effective date of abandoning: 20090618