CN114762811A

CN114762811A - Efficient impinging stream mixing device

Info

Publication number: CN114762811A
Application number: CN202110043483.3A
Authority: CN
Inventors: 李胜余
Original assignee: Nanjing Gonghui Technology Co ltd
Current assignee: Nanjing Gonghui Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2022-07-19

Abstract

The invention relates to the technical field of micro-flow field reactors, in particular to a high-efficiency impinging flow mixing device which comprises a shell, a box body, a micro-flow reactor body and a reactor connecting pipe, wherein a bending rod is rotatably connected below an inner cavity of the shell, and a driving mechanism is arranged on the right side below the inner cavity of the shell; the invention can enable the microreactor to shake in the longitudinal direction, enables gas raw materials to collide with each other in the transverse direction and the longitudinal direction, can preheat the gas raw materials before the gas raw materials enter the reactor, shortens the time consumed by temperature rise, improves the mixing efficiency, solves the problems that some existing microreactors can only enable the gas raw materials to collide and mix in the transverse direction, and subsequently entered gas raw materials cannot be fully contacted and collided, thereby affecting the mixing efficiency, and simultaneously solves the problems that the microreactors cannot preheat gas, the gas raw materials need a certain time for temperature rise, and further the mixing time is prolonged.

Description

Efficient impinging stream mixing device

Technical Field

The invention relates to the technical field of micro-flow field reactors, in particular to a high-efficiency impinging stream mixing device.

Background

Microreactors, i.e. microchannel reactors, are microreactors fabricated using precision machining techniques with characteristic dimensions of between 10 and 300 microns (or 1000 microns), "micro" of a microreactor meaning that the channels of the process fluid are on the order of microns and not the physical dimensions of the microreactor or the production of products are small. The micro reactor can contain millions of micro channels, micro mixer can be subdivided into micro reactors according to the main application or function of the micro reactor, and the micro reactor has extremely large specific surface area which can be hundreds of times or even thousands of times of the specific surface area of a stirring kettle due to the internal micro structure of the micro reactor. The micro-reactor has excellent heat transfer and mass transfer capacity, can realize instantaneous uniform mixing of materials and high-efficiency heat transfer, so that a plurality of reactions which cannot be realized in the conventional reactor can be realized in the micro-reactor.

Microreactors are generally used for mixing gases, and mixing the gases by impinging the gases inside the reactor through connecting tubes on both sides, however, the micro-reactor can only enable the gas raw materials to be subjected to impact mixing in the transverse direction, the subsequently entering gas raw materials cannot be fully contacted and collided, the mutual diffusion rate of the raw materials is reduced, further affecting the mixing efficiency, and the reactor can not preheat the gas, only can heat the gas raw material inside, the temperature rise of the gas raw material needs a certain time, thereby prolonging the mixing time, and for this reason, the inventor proposes a method which can lead the micro-reactor to shake in the longitudinal direction, the gas raw materials can be collided transversely and longitudinally, and can be preheated before entering the reactor, so that the time consumed by temperature rise is shortened, and the mixing efficiency is improved.

Disclosure of Invention

The present invention is directed to an efficient impinging stream mixing device to solve the problems set forth in the background above.

In order to achieve the purpose, the invention provides the following technical scheme: an efficient impinging stream mixing device comprises a shell, a box body, a micro-flow reactor body and a reactor connecting pipe, wherein a bending rod is rotatably connected below an inner cavity of the shell, a driving mechanism is arranged on the right side below the inner cavity of the shell, sleeves are sleeved on two sides of the surface of the bending rod, a bearing seat is arranged in each sleeve, the bending rod is bolted with an inner ring of the bearing seat, a partition plate is bolted inside the shell and above the bending rod, through holes are formed in the left side and the right side of the top of the partition plate in a penetrating manner, a hinge rod is arranged at the top of each sleeve, a movable column is hinged to the top end of each hinge rod and is in sliding connection with the inner wall of each through hole, a lifting platform is bolted at the top of each movable column, the micro-flow reactor body is arranged at the top of the lifting platform, a metal hose is communicated with one end of the reactor connecting pipe, through grooves are formed in two sides of the inner cavity of the shell in a penetrating manner, and lead to the inside that the groove extends to the box, the heating cabinet is installed to the inside below of box, and metal collapsible tube keeps away from the one end and the mutual intercommunication of heating cabinet of reactor connecting pipe, the bottom intercommunication of heating cabinet has the siphunculus, the other end of siphunculus runs through to the outside of box, the heating pipe is all installed to both sides around the inside of box and being located the heating cabinet, the inside of box and heating cabinet is provided with the heat dissipation mechanism that mutually supports and use, both sides all are provided with slide mechanism around the elevating platform.

Preferably, the driving mechanism comprises a driving motor, a first gear and a second gear, the driving motor is mounted at the bottom of the inner cavity of the shell, the first gear and an output shaft of the driving motor are fixed to each other, the second gear is bolted to the surface of the bending rod, and the first gear and the second gear are meshed with each other.

Preferably, the radius of the first gear is larger than that of the second gear, and the number of teeth of the first gear is larger than that of the second gear.

Preferably, the heat dissipation mechanism includes exhaust fan, inlet port and temperature sensor, the exhaust fan is installed at the top of box inner chamber, the quantity of inlet port is a plurality of and runs through respectively and set up the surface in both sides around the box, temperature sensor installs the inside at the heating cabinet.

Preferably, the surfaces of the front side and the rear side of the box body are respectively bolted with a dustproof net, and the dustproof nets cover the surfaces of the air inlet holes.

Preferably, the sliding mechanism comprises a connecting rod, a roller and a vertical groove, one end of the connecting rod is bolted to the surface of the lifting platform, the roller is bolted to the end, far away from the lifting platform, of the connecting rod, the vertical groove is formed in the surface of the inner wall of the shell, and the roller is in rolling connection with the inner wall of the vertical groove.

Preferably, the inside mounting of heating cabinet has a plurality of diaphragm, and the diaphragm is from last to crisscross distribution down.

Preferably, the box body is made of a heat-insulating material, and the heating box is made of an aluminum alloy material.

Compared with the prior art, the invention has the following beneficial effects:

the invention can enable the microreactor to shake in the longitudinal direction, enables gas raw materials to collide with each other in the transverse direction and the longitudinal direction, can preheat the gas raw materials before the gas raw materials enter the reactor, shortens the time consumed by temperature rise, improves the mixing efficiency, solves the problems that some existing microreactors can only enable the gas raw materials to collide and mix in the transverse direction, and subsequently entered gas raw materials cannot be fully contacted and collided, thereby affecting the mixing efficiency, and simultaneously solves the problems that the microreactors cannot preheat gas, the gas raw materials need a certain time for temperature rise, and further the mixing time is prolonged.

Drawings

FIG. 1 is an elevational, cross-sectional view of a structure of the present invention;

FIG. 2 is a right side sectional view of the structure of the case of the present invention;

FIG. 3 is a left side sectional view of the structure of the housing of the present invention;

FIG. 4 is a perspective view of a portion of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1.

In the figure: 1. a housing; 2. a box body; 3. a microflow reactor body; 4. a bending rod; 5. a drive mechanism; 51. a drive motor; 52. a first gear; 53. a second gear; 6. a sleeve; 7. a bearing seat; 8. a hinged lever; 9. a partition plate; 10. a through hole; 11. a lifting platform; 12. a reactor connecting pipe; 13. a metal hose; 14. a through groove; 15. a heating box; 16. pipe passing; 17. heating a tube; 18. a heat dissipation mechanism; 181. an exhaust fan; 182. an air inlet; 183. a temperature sensor; 19. a sliding mechanism; 191. a connecting rod; 192. a roller; 193. a vertical groove; 20. a dust screen; 21. a transverse plate; 22. a movable column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a high-efficiency impinging stream mixing device comprises a housing 1, a box 2, a microflow reactor body 3 and a reactor connecting pipe 12, wherein a bending rod 4 is rotatably connected below the inner cavity of the housing 1, a driving mechanism 5 is arranged at the right side below the inner cavity of the housing 1, sleeves 6 are respectively sleeved at two sides of the surface of the bending rod 4, a bearing seat 7 is arranged inside each sleeve 6, the bending rod 4 is bolted with the inner ring of the bearing seat 7, a partition plate 9 is bolted inside the housing 1 and above the bending rod 4, through holes 10 are respectively arranged at the left side and the right side of the top of the partition plate 9, a hinge rod 8 is arranged at the top of each sleeve 6, a movable column 22 is hinged at the top end of the hinge rod 8, the movable column 22 is slidably connected with the inner wall of the through hole 10, a lifting platform 11 is bolted at the top of the movable column 22, and the microflow reactor body 3 is arranged at the top of the lifting platform 11, one end of a reactor connecting pipe 12 is communicated with a metal hose 13, through grooves 14 are formed in both sides of an inner cavity of a shell 1 in a penetrating manner, the through grooves 14 extend into a box body 2, a heating box 15 is installed below the inside of the box body 2, one end, far away from the reactor connecting pipe 12, of the metal hose 13 is communicated with the heating box 15, the bottom of the heating box 15 is communicated with a through pipe 16, the other end of the through pipe 16 is communicated to the outer side of the box body 2, heating pipes 17 are installed in the inside of the box body 2 and on the front side and the rear side of the heating box 15, heat dissipation mechanisms 18 which are matched with each other are arranged in the inside of the box body 2 and the heating box 15, sliding mechanisms 19 are arranged on the front side and the rear side of a lifting platform 11, the device can enable the microreactor to rock in the longitudinal direction and enable gas raw materials to collide with each other in the transverse direction and the longitudinal direction and can preheat before the gas raw materials enter the reactor, shorten the time that the intensification consumes, promote mixing efficiency, solved some current microreactors and only can make gas raw materials strike the mixture on horizontal, the gas raw materials of follow-up entering can not fully contact and collide with each other, and then influence mixing efficiency's problem, solved the microreactor simultaneously and can't preheat gas, gas raw materials intensifies and needs certain time, and then causes the problem of mixing time extension.

Referring to fig. 1, the driving mechanism 5 includes a driving motor 51, a first gear 52 and a second gear 53, the driving motor 51 is installed at the bottom of the inner cavity of the housing 1, the first gear 52 is fixed to the output shaft of the driving motor 51, the second gear 53 is bolted to the surface of the bending rod 4, the first gear 52 is meshed with the second gear 53, the driving motor 51 is turned on to drive the first gear 52 and the second gear 53 to rotate through the arrangement of the driving motor 51, the first gear 52 and the second gear 53, and then the bending rod 4 rotates to drive the hinge rod 8, the movable column 22, the lifting platform 11 and the micro-flow reactor body 3 to swing up and down together, so as to achieve the effect of longitudinal swing of the reactor and the gas raw material.

Referring to fig. 1, the radius of the first gear 52 is greater than the radius of the second gear 53, and the number of teeth of the first gear 52 is greater than that of the second gear 53, such design makes the first gear 52 greater than the second gear 53, the pinion is driven by the large gear, which can increase the rotation speed, and when the output shaft of the driving motor 51 rotates, the bending rod 4 can rotate at a faster speed, increasing the frequency of the up-and-down shaking of the hinge rod 8, the movable column 22, the lifting table 11 and the micro-flow reactor body 3, so that the gas raw materials are mixed more sufficiently.

Referring to fig. 1, 2 and 5, the heat dissipation mechanism 18 includes an exhaust fan 181, a plurality of air inlets 182 and a temperature sensor 183, the exhaust fan 181 is installed on the top of the inner cavity of the case 2, the number of the air inlets 182 is several and respectively penetrates the front and rear surfaces of the case 2, the temperature sensor 183 is installed inside the heating box 15, through the arrangement of the exhaust fan 181, the air inlet 182 and the temperature sensor 183, the temperature sensor 183 can detect the temperature inside the heating box 15 and the gas material, when the temperature is too high, the heating pipe 17 can be closed, meanwhile, the exhaust fan 181 is turned on to dissipate heat, the outside air enters the inside of the case 2 through the air inlet 182, and is discharged by the exhaust fan 181, taking away part of the heat inside the cabinet 2 and on the surface of the heating cabinet 15, which causes the temperature inside the heating box 15 to drop so that the staff can control the temperature of the gas raw material.

Referring to fig. 2, dust screens 20 are bolted to the front and rear surfaces of the box body 2, the dust screens 20 cover the surfaces of the air inlets 182, and through the arrangement of the dust screens 20, it can be avoided that external dust passes through the air inlets 182 and enters the inside of the box body 2, so that the dust covers the heating box 15, and further the heat conduction effect is affected.

Referring to fig. 1 and 3, the sliding mechanism 19 includes a connecting rod 191, a roller 192 and a vertical groove 193, one end of the connecting rod 191 is bolted to the surface of the lifting platform 11, the roller 192 is bolted to one end of the connecting rod 191 far away from the lifting platform 11, the vertical groove 193 is arranged on the surface of the inner wall of the housing 1, and the roller 192 is connected to the inner wall of the vertical groove 193 in a rolling manner, through the arrangement of the connecting rod 191, the roller 192 and the vertical groove 193, when the lifting platform 11 shakes up and down, the connecting rod 191 can drive the roller 192 to move up and down in the vertical groove 193, and the support points can be provided for the lifting platform 11 at the front side and the rear side of the lifting platform 11 by the cooperation of the roller 192 and the vertical groove 193, and the stability of the lifting platform 11 during shaking up and down is improved, so that the lifting platform 11 can only shake in the vertical direction.

Referring to fig. 1 and 5, a plurality of transverse plates 21 are installed inside the heating box 15, and the transverse plates 21 are distributed in a staggered manner from top to bottom, so that the air entering the heating box 15 can move forward in a meandering manner by the arrangement of the transverse plates 21, the staying time of the air inside the heating box 15 is prolonged, and the preheating effect is improved.

Referring to fig. 1-3, the case 2 is made of a heat insulating material, the heating box 15 is made of an aluminum alloy material, and the case 2 is made of the heat insulating material, so that heat emitted from the heating pipe 17 is not easily transferred to the outside, and heat loss is reduced.

The working principle is as follows: when the reactor works, firstly, the heating pipe 17 is opened, the heat emitted by the heating pipe 17 is transferred to the inside of the heating box 15, then the gas raw material is fed by the through pipe 16, at the moment, the gas raw material enters the inside of the heating box 15, the gas raw material can absorb the heat when circulating in the heating box 15, the preheating of the gas raw material is completed, the preheated gas raw material enters the inside of the reactor through the metal hose 13 and the reactor connecting pipe 12 for impact mixing, meanwhile, the driving motor 51 is started to drive the first gear 52 and the second gear 53 to start rotating, then the bending rod 4 starts to rotate, as the sleeve 6 is rotatably connected with the bending rod 4 through the bearing seat 7, the sleeve 6 and the hinge rod 8 move together along with the bending part of the bending rod 4, and as the movable column 22 is slidably connected with the inner wall of the through hole 10, at the moment, the movable column 22 reciprocates up and down under the driving of the hinge rod 8, it makes elevating platform 11 and reactor rock from top to bottom together, realizes carrying out the effect of vertically rocking to gaseous raw materials, makes gaseous raw materials can be horizontal and vertical on mutual contact and collision, promotes mixing efficiency and effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An efficient impinging stream mixing device, comprising a shell (1), a box body (2), a microflow reactor body (3) and a reactor connecting pipe (12), characterized in that: the device comprises a shell (1), a bending rod (4) is rotatably connected to the lower portion of an inner cavity of the shell (1), a driving mechanism (5) is arranged on the right side of the lower portion of the inner cavity of the shell (1), sleeves (6) are sleeved on two sides of the surface of the bending rod (4), bearing seats (7) are arranged inside the sleeves (6), the bending rod (4) is bolted with inner rings of the bearing seats (7), a partition plate (9) is bolted inside the shell (1) and located above the bending rod (4), through holes (10) are formed in the left side and the right side of the top of the partition plate (9) in a penetrating mode, a hinge rod (8) is installed at the top of each sleeve (6), a movable column (22) is hinged to the top end of each hinge rod (8), the movable column (22) is slidably connected with the inner wall of each through hole (10), a lifting table (11) is bolted to the top of each movable column (22), and a micro-flow reactor body (3) is installed at the top of each lifting table (11), one end of the reactor connecting pipe (12) is communicated with a metal hose (13), through grooves (14) are respectively arranged on both sides of the inner cavity of the shell (1), the through groove (14) extends into the box body (2), a heating box (15) is arranged below the interior of the box body (2), and one end of the metal hose (13) far away from the reactor connecting pipe (12) is communicated with the heating box (15), the bottom of the heating box (15) is communicated with a through pipe (16), the other end of the through pipe (16) penetrates to the outer side of the box body (2), heating pipes (17) are arranged in the box body (2) and positioned at the front side and the rear side of the heating box (15), the interior of the box body (2) and the heating box (15) is provided with a heat dissipation mechanism (18) which is mutually matched, and sliding mechanisms (19) are arranged on the front side and the rear side of the lifting platform (11).

2. A high efficiency impinging stream mixing device according to claim 1, wherein: the driving mechanism (5) comprises a driving motor (51), a first gear (52) and a second gear (53), the driving motor (51) is installed at the bottom of the inner cavity of the shell (1), the first gear (52) and an output shaft of the driving motor (51) are fixed with each other, the second gear (53) is bolted on the surface of the bending rod (4), and the first gear (52) and the second gear (53) are meshed with each other.

3. A high efficiency impinging stream mixing apparatus as defined in claim 2 wherein: the radius of the first gear (52) is larger than that of the second gear (53), and the number of teeth of the first gear (52) is larger than that of the second gear (53).

4. A high efficiency impinging stream mixing device as defined in claim 1 wherein: heat dissipation mechanism (18) include exhaust fan (181), inlet port (182) and temperature sensor (183), the top at box (2) inner chamber is installed in exhaust fan (181), the quantity of inlet port (182) is a plurality of and runs through respectively and set up the surface in box (2) front and back both sides, the inside at heating cabinet (15) is installed in temperature sensor (183).

5. A high efficiency impinging stream mixing device according to claim 4, wherein: the surfaces of the front side and the rear side of the box body (2) are respectively bolted with a dustproof net (20), and the dustproof nets (20) cover the surfaces of the air inlet holes (182).

6. A high efficiency impinging stream mixing device as defined in claim 1 wherein: the sliding mechanism (19) comprises a connecting rod (191), a roller (192) and a vertical groove (193), one end of the connecting rod (191) is in bolted connection with the surface of the lifting platform (11), the roller (192) is in bolted connection with one end, far away from the lifting platform (11), of the connecting rod (191), the vertical groove (193) is formed in the surface of the inner wall of the shell (1), and the roller (192) is in rolling connection with the inner wall of the vertical groove (193).

7. A high efficiency impinging stream mixing device according to claim 1, wherein: the internally mounted of heating cabinet (15) has a plurality of diaphragm (21), and diaphragm (21) from last crisscross distribution down.

8. A high efficiency impinging stream mixing device according to claim 1, wherein: the box body (2) is made of a heat-insulating material, and the heating box (15) is made of an aluminum alloy material.