CN112121967A

CN112121967A - Cooling equipment of special low-temperature crushing system for preparing nanoscale materials

Info

Publication number: CN112121967A
Application number: CN202011087975.4A
Authority: CN
Inventors: 崔建中
Original assignee: Yinghongnami Corp
Current assignee: Yinghongnami Corp
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2020-12-25

Abstract

The invention relates to cooling equipment of a special low-temperature crushing system for preparing nanoscale materials, which comprises a first material conveying belt, a second material conveying belt, a cooling bin, a roller and a cooling pipe, wherein the first material conveying belt and the second material conveying belt are arranged at two ends of the cooling bin in a penetrating manner, a supporting table is arranged at the bottom of the cooling bin, two groups of supporting rollers are arranged on the supporting table, the roller is movably arranged on the supporting rollers, spiral material guide blades are arranged inside the roller, a feeding guide plate and a discharging guide plate are obliquely arranged at two ends of the roller, the upper end of the feeding guide plate is positioned below the first material conveying belt, the lower end of the discharging guide plate is positioned above the second material conveying belt, a containing groove is formed in the supporting table, a driving motor is arranged in the containing groove, the cooling pipe is horizontally arranged in the cooling bin, a plurality of spray nozzles. The material in the roller can roll and be conveyed forwards in the roller under the action of the material guide blades, so that cold air flow can be fully contacted with the material, and the cooling effect is greatly improved.

Description

Cooling equipment of special low-temperature crushing system for preparing nanoscale materials

Technical Field

The invention belongs to the technical field of cooling equipment, and particularly relates to cooling equipment of a special low-temperature crushing system for preparing nanoscale materials.

Background

The low-temperature crushing utilizes the characteristic that substances are easy to become brittle at low temperature, and the substances become more brittle and more fragile at low temperature in the process of selectively crushing the substances at low temperature, and the volatile organic compounds of the properties that the substances are damaged by heat generated by mutual friction of particles of the substances during normal-temperature crushing are avoided.

When cooling equipment in the existing crushing system cools materials, a cooling medium is usually adopted for cold nitrogen operation, and the preparation of liquid nitrogen consumes a large amount of energy and needs a large amount of energy, so that the cost is high. In addition, cold air flow in the existing cooling equipment cannot be effectively utilized, the cold air flow is easy to run off, so that the utilization rate of a nitrogen coolant is low, a large amount of cold nitrogen is needed to achieve the cooling effect, and the cooling cost is increased; the existing materials are all in a stacked state when being cooled, cooling equipment can only cool the surfaces of the materials, the materials cannot be wholly and fully cooled, and therefore the cooling effect on the materials is general.

Disclosure of Invention

Aiming at the problems, the invention discloses cooling equipment of a special low-temperature crushing system for preparing nano-grade materials, and solves the problems of low utilization rate of cold nitrogen and high consumption of cold nitrogen of the cooling equipment in the prior art.

The specific technical scheme is as follows:

the cooling equipment for preparing the special low-temperature crushing system for the nanoscale materials comprises a first material conveying belt, a second material conveying belt, a cooling bin, a roller and a cooling pipe, wherein both ends of the cooling bin are respectively provided with a conveying opening and an opening, the conveying opening is positioned above the opening, the size of the conveying opening is larger than that of the opening, both ends of the cooling bin are respectively and horizontally provided with the first material conveying belt and the second material conveying belt in a penetrating manner, the upper half section and the lower half section of the first material conveying belt and the second material conveying belt respectively penetrate through the conveying opening and the opening, the upper end of the conveying opening is respectively provided with an air curtain device, one end of the bottom in the cooling bin is provided with a supporting table, the supporting table is provided with two groups of supporting rollers, the roller is movably arranged on the supporting rollers, spiral guide blades are arranged in the roller, both ends of the roller are respectively obliquely provided with a feeding guide plate and a discharging guide plate, and, the lower extreme of ejection of compact baffle is located the one end top of second conveying pipeline, the storage tank has been seted up on the brace table, be equipped with driving motor in the storage tank, driving motor is located the cylinder below, is equipped with the drive wheel on the driving motor output shaft, and driving motor passes through drive wheel cooperation drive belt and drives the cylinder and rotate, the cooling tube level sets up in the cooling chamber, and the cooling tube passes through the support frame to be fixed on the brace table, and the range of cooling tube upper end is equipped with a plurality of shower nozzles, and is a plurality of the shower nozzle all is located the cylinder bottom, and the one end of cooling tube runs through the cooling chamber and.

Further, the cylinder includes the barrel that is enclosed by the metal mesh, is located the roll groove at barrel both ends and is located the race groove in barrel middle part, and the roll groove at barrel both ends is placed respectively on two sets of supporting rollers, and rotates between supporting roller and the roll groove and be connected, be connected through drive belt transmission between race groove and the drive wheel, realize that driving motor drives the cylinder and rotate on supporting roller.

Further, the air curtain device comprises an air curtain shell, an air delivery pipe and an air blower, wherein the air curtain shell is fixedly arranged on the inner wall of the upper end of the conveying port, a fixed cavity is arranged on one side of the air curtain shell, one end of the fixed cavity is arranged to penetrate through the air delivery pipe, an air outlet is formed in one side of the air delivery pipe in the fixed cavity, one end of the air delivery pipe penetrates through the top of the cooling bin and is connected with an air outlet end of the air blower, an air channel is arranged on the other side of the air curtain shell, one end of the air channel is communicated with the fixed cavity, and the other end of the air.

Furthermore, the two ends of the feeding guide plate and the discharging guide plate are fixedly arranged on the inner walls of the two sides of the cooling bin, and the lower end of the feeding guide plate extends into the roller.

Furthermore, it is equipped with two pivots to rotate in the storage tank, two the pivot is located driving motor top both sides, and all is equipped with the leading wheel in the pivot, two the leading wheel is located the drive belt both sides respectively and leads to the drive belt.

Furthermore, the inside of cooling bin is provided with the circulation device all around, the circulation device includes circulation fan and fan motor, the quantity of circulation fan is four, the circulation fan includes the axis of rotation and sets up the fan blade in the axis of rotation, four circulation fan's axis of rotation distribute around the inside of cooling bin, and the both ends of axis of rotation rotate and set up on the inner wall of cooling bin, fan motor, the one end of two axis of rotation all runs through the one end of cooling bin and passes through belt and belt pulley transmission and connect about adjacent, lie in the one end of two upper and lower axis of rotation of cooling bin with one side and fan motor's output shaft, two fan motor are fixed to be set up on the lateral wall of cooling bin one end.

Furthermore, the upper and lower both ends of opening and delivery port lower extreme all are provided with the windshield brush, the windshield brush sets up with the laminating of first conveying belt and second conveying belt.

Furthermore, a collecting tray is also arranged on the supporting table and is positioned below the roller and the cooling pipe.

The invention has the beneficial effects that:

(1) according to the invention, the material is conveyed into the roller in the cooling bin by the first conveying belt, the cooling pipe is matched with the spray head to spray cold nitrogen to the bottom end of the roller, the cold nitrogen cools the material in the roller, and meanwhile, the roller is driven to rotate by the driving motor, so that the material in the roller can roll in the roller and is conveyed forwards under the action of the guide vanes, thus cold air flow can be fully contacted with the material, and the cooling effect is greatly improved.

(2) According to the invention, the air curtain device is arranged at the delivery port, gas is delivered into the air curtain shell through the air delivery pipe by the blower and is sprayed downwards through the air channel in the air curtain shell, so that an air curtain is formed, the loss of cold airflow in the cooling bin can be effectively prevented, and the air blocking brushes are arranged at the delivery port and the through hole, so that the air blocking brushes can play a certain partition role, the temperature in the cooling bin can be kept at a lower level, the usage amount of cold nitrogen is reduced, and the cooling cost is further reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a cross-sectional view of a cooling cartridge according to the present invention.

Fig. 3 is an enlarged schematic view of a point a in fig. 1.

Description of the reference numerals

The device comprises a first material conveying belt 1, a second material conveying belt 2, a cooling bin 3, a conveying opening 31, a through opening 32, a wind blocking brush 321, a roller 4, a material guide blade 41, a cylinder 42, a rolling groove 43, a belt groove 44, a transmission belt 45, a cooling pipe 5, a spray head 51, a support frame 52, a support table 6, a support roller 61, an accommodating groove 62, a rotating shaft 621, a guide wheel 622, a driving motor 63, a driving wheel 64, a collection disc 65, an air curtain device 7, an air curtain shell 71, a fixed cavity 711, an air duct 712, an air conveying pipe 72, an air outlet 721, an air blower 73, a material feeding guide plate 8, a material discharging guide plate 9, a circulating device 10, a circulating fan 101, a rotating shaft 1011, fan blades 1012, a belt 1013, a belt pulley.

Detailed Description

In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixing and the arrangement of the fixing and the connection are all general connection modes in the mechanical field, and the fixing and the connection can be performed by welding, bolt and nut connection and screw connection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-3, the cooling apparatus for preparing a dedicated cryogenic crushing system for nanoscale materials comprises a first material conveying belt 1, a second material conveying belt 2, a cooling bin 3, a roller 4 and a cooling pipe 5, wherein both ends of the cooling bin 3 are provided with a conveying port 31 and a through port 32, the conveying port 31 is located above the through port 32, the size of the conveying port 31 is larger than that of the through port 32, both ends of the cooling bin 3 are respectively and horizontally provided with the first material conveying belt 1 and the second material conveying belt 2, the upper half section and the lower half section of the first material conveying belt 1 and the second material conveying belt 2 are respectively and horizontally provided with the conveying port 31 and the through port 32, the upper end of the conveying port 31 is provided with an air curtain device 7, one end of the bottom of the cooling bin 3 is provided with a support table 6, the support table 6 is provided with two sets of support rollers 61, the roller 4 is movably arranged on the support rollers 61, helical guide vanes 41 are, the both ends of cylinder 4 slope respectively and are equipped with feeding baffle 8 and ejection of compact baffle 9, and the upper end of feeding baffle 8 is located the one end below of first conveying belt 1, and the lower extreme of ejection of compact baffle 9 is located the one end top of second conveying belt 2, storage tank 62 has been seted up on supporting bench 6, be equipped with driving motor 63 in the storage tank 62, driving motor 63 is located cylinder 4 below, is equipped with drive wheel 64 on the driving motor 63 output shaft, and driving motor 63 drives cylinder 4 through drive wheel 64 cooperation drive belt 45 and rotates, 5 levels of cooling tube set up in cooling chamber 3, and cooling tube 5 passes through support frame 52 to be fixed on supporting

bench

6, and 5 upper ends of cooling tube are arranged and are equipped with a plurality of shower nozzles 51, and are a plurality of shower nozzle 51 all is located cylinder 4 bottom, and the one end of cooling tube 5 runs through cooling chamber 3 and is connected.

Further, the roller 4 comprises a cylinder 42 surrounded by metal mesh, rolling grooves 43 located at two ends of the cylinder 42, and belt grooves 44 located in the middle of the cylinder 42, the rolling grooves 43 at two ends of the cylinder 42 are respectively placed on the two sets of supporting rollers 61, the supporting rollers 61 and the rolling grooves 43 are rotatably connected, the belt grooves 44 and the driving wheels 64 are in transmission connection through a transmission belt 45, and the driving motor 63 drives the roller 4 to rotate on the supporting rollers 61.

Further, the air curtain device 7 includes an air curtain housing 71, an air delivery pipe 72 and a blower 73, the air curtain housing 71 is fixedly disposed on the inner wall of the upper end of the delivery port 31, a fixing cavity 711 is disposed on one side of the air curtain housing 71, one end of the fixing cavity 711 is disposed through the air delivery pipe 72, an air outlet 721 is disposed on one side of the air delivery pipe 72 in the fixing cavity 711, one end of the air delivery pipe 72 is connected to the air outlet of the blower 73 while penetrating through the top of the cooling bin 3, an air duct 712 is disposed on the other side of the air curtain housing 71, one end of the air duct 712 is communicated with the fixing cavity 711, and the other end of the air duct 712 is gradually narrowed and is.

Furthermore, the two ends of the feeding guide plate 8 and the discharging guide plate 9 are fixedly arranged on the inner walls of the two sides of the cooling bin 3, and the lower end of the feeding guide plate 8 extends into the roller 4.

Further, it is equipped with two pivot 621, two to rotate in the storage tank 62 pivot 621 is located driving motor 63 top both sides, and all is equipped with leading wheel 622 on the pivot 621, two leading wheel 622 is located drive belt 45 both sides respectively and leads to drive belt 45 for drive belt 45 and drive wheel 64 fully contact.

Furthermore, a circulation device 10 is arranged around the inside of the cooling bin 3, the circulation device 10 includes four circulation fans 101 and fan motors 102, the number of the circulation fans 101 is four, each circulation fan 101 includes a rotation shaft 1011 and fan blades 1012 arranged on the rotation shaft 1011, the rotation shafts 1011 of the four circulation fans 101 are distributed around the inside of the cooling bin 3, two ends of each rotation shaft 1011 are rotatably arranged on the inner wall of the cooling bin 3, the fan motors 102 are connected with one ends of two adjacent left and right rotation shafts 1011 through one end of the cooling bin 3 and through a belt 1013 and a belt pulley 1014 in a transmission manner, one ends of the two upper and lower rotation shafts 1011 on the same side of the cooling bin 3 are connected with an output shaft of the fan motor 102, and the two fan motors 102 are fixedly arranged on the side wall of one end of the cooling bin 3.

Further, the upper and lower both ends of opening 32 and the lower extreme of delivery port 31 all are provided with windshield brush 321, windshield brush 321 sets up with the laminating of first conveying belt 1 and second conveying belt 2.

Further, a collecting tray 65 is also placed on the supporting table 6, the collecting tray 65 is positioned below the roller 4 and the cooling pipe 5, and the collecting tray 65 collects the chips falling off during the tumbling process of the materials in the roller 4.

The working principle is as follows:

during operation, the first defeated material is carried the material in cooling chamber 3 through transport port 31, the material is carried in cylinder 4 through feeding baffle 8 again, liquid nitrogen gas in cooling tube 5 sprays cylinder 4 bottom through shower nozzle 51 afterwards, cold nitrogen gas carries out cooling treatment to the material in the cylinder 4, drive the rotation of cylinder 4 through driving motor 63 simultaneously, make the material in the cylinder 4 can roll and carry forward in cylinder 4 under the effect of guide blade 41, make cold air current and the abundant contact of material that rolls, the material leads second conveying belt 2 through ejection of compact baffle 9, and send out through second conveying belt 2, air curtain device 7 on the transport port 31 blows off the air current downwards and forms the air curtain, prevent that the air conditioning in the cooling chamber 3 from flowing to external loss.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The cooling equipment for preparing the special low-temperature crushing system for the nanoscale materials is characterized by comprising a first conveying belt (1), a second conveying belt (2), a cooling bin (3), a roller (4) and a cooling pipe (5), wherein conveying ports (31) and through ports (32) are formed in two ends of the cooling bin (3), the conveying ports (31) are located above the through ports (32), the first conveying belt (1) and the second conveying belt (2) are horizontally arranged at two ends of the cooling bin (3) in a penetrating mode respectively, the upper half section and the lower half section of the first conveying belt (1) and the second conveying belt (2) are respectively arranged in a penetrating mode through the conveying ports (31) and the through ports (32), an air curtain device (7) is arranged at the upper end of the conveying ports (31), a supporting table (6) is arranged at one end of the bottom of the cooling bin (3), and two groups of supporting rollers (61) are arranged on the supporting table (6), the roller (4) is movably arranged on the supporting roller (61), a spiral material guide blade (41) is arranged in the roller (4), a feeding guide plate (8) and a discharging guide plate (9) are respectively obliquely arranged at two ends of the roller (4), the upper end of the feeding guide plate (8) is positioned below one end of the first material conveying belt (1), the lower end of the discharging guide plate (9) is positioned above one end of the second material conveying belt (2), a containing groove (62) is formed in the supporting table (6), a driving motor (63) is arranged in the containing groove (62), the driving motor (63) is positioned below the roller (4), a driving wheel (64) is arranged on an output shaft of the driving motor (63), the driving motor (63) is matched with the driving belt (45) through the driving wheel (64) to drive the roller (4) to rotate, the cooling pipe (5) is horizontally arranged in the cooling bin (3), the cooling pipe (5) is fixed on the supporting table (6) through a supporting frame (52), a plurality of spray heads (51) are arranged at the upper end of the cooling pipe (5) and are located at the bottom of the roller (4), and one end of the cooling pipe (5) penetrates through the cooling bin (3) and is connected with a liquid nitrogen source.

2. The cooling device for preparing the special cryogenic crushing system for nanoscale materials according to claim 1, wherein the roller (4) comprises a cylinder body (42) surrounded by metal meshes, rolling grooves (43) located at two ends of the cylinder body (42) and a belt groove (44) located in the middle of the cylinder body (42), the rolling grooves (43) at two ends of the cylinder body (42) are respectively placed on two groups of supporting rollers (61), the supporting rollers (61) are rotatably connected with the rolling grooves (43), the belt groove (44) is in transmission connection with the driving wheel (64) through a transmission belt (45), and the purpose that the driving motor (63) drives the roller (4) to rotate on the supporting rollers (61) is achieved.

3. The cooling device for preparing the special cryogenic crushing system for nanoscale materials as claimed in claim 2, wherein two rotating shafts (621) are rotatably arranged in the containing groove (62), the two rotating shafts (621) are located on two sides above the driving motor (63), and guide wheels (622) are arranged on the rotating shafts (621), the two guide wheels (622) are respectively located on two sides of the transmission belt (45) and guide the transmission belt (45).

4. The cooling apparatus for preparing a cryogenic crushing system dedicated for nanoscale materials as claimed in claim 1, it is characterized in that the air curtain device (7) comprises an air curtain shell (71), an air delivery pipe (72) and a blower (73), the air curtain shell (71) is fixedly arranged on the inner wall of the upper end of the conveying opening (31), one side of the air curtain shell (71) is provided with a fixed cavity (711), one end of the fixed cavity (711) is provided with the air delivery pipe (72) in a penetrating way, one side of the air delivery pipe (72) in the fixed cavity (711) is provided with air outlet holes (721) in an arrayed way, one end of the air delivery pipe (72) penetrates through the top of the cooling bin (3) and is connected with the air outlet end of the air blower (73), the other side of the air curtain shell (71) is provided with an air duct (712), one end of the air duct (712) is communicated with the fixed cavity (711), and the other end of the air duct (712) is gradually narrowed and bent downwards.

5. The cooling device for preparing the special cryogenic crushing system for nanoscale materials according to claim 1, wherein a circulation device (10) is arranged around the inside of the cooling bin (3), the circulation device (10) comprises circulation fans (101) and fan motors (102), the number of the circulation fans (101) is four, each circulation fan (101) comprises a rotating shaft (1011) and fan blades (1012) arranged on the rotating shaft (1011), the rotating shafts (1011) of the four circulation fans (101) are distributed around the inside of the cooling bin (3), two ends of each rotating shaft (1011) are rotatably arranged on the inner wall of the cooling bin (3), each fan motor (102) has one end of each of the two adjacent rotating shafts (1011) penetrating through one end of the cooling bin (3) and is in transmission connection with a belt (1013) and a belt pulley (1014), and one ends of the two upper and lower rotating shafts (1011) on the same side of the cooling bin (3) are connected with an output shaft of each fan motor (102) And the two fan motors (102) are fixedly arranged on the side wall at one end of the cooling bin (3).

6. The cooling device for preparing the special cryogenic crushing system for nanoscale materials as claimed in claim 1, wherein the two ends of the feeding guide plate (8) and the discharging guide plate (9) are fixedly arranged on the inner walls of the two sides of the cooling bin (3), and the lower end of the feeding guide plate (8) extends into the roller (4).

7. The cooling apparatus for preparing the dedicated cryogenic crushing system for nanoscale materials according to claim 1, wherein the upper and lower ends of the through opening (32) and the lower end of the delivery opening (31) are provided with wind shielding brushes (321), and the wind shielding brushes (321) are attached to the first material conveying belt (1) and the second material conveying belt (2).

8. The cooling apparatus for preparing the dedicated cryogenic crushing system for nanoscale materials according to claim 1, wherein a collecting tray (65) is further placed on the support table (6), and the collecting tray (65) is located below the roller (4) and the cooling pipe (5).