CN113209923A - Device for effectively removing heat discharged in mixing process - Google Patents
Device for effectively removing heat discharged in mixing process Download PDFInfo
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- CN113209923A CN113209923A CN202110438270.0A CN202110438270A CN113209923A CN 113209923 A CN113209923 A CN 113209923A CN 202110438270 A CN202110438270 A CN 202110438270A CN 113209923 A CN113209923 A CN 113209923A
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- 238000003756 stirring Methods 0.000 claims abstract description 50
- 239000000110 cooling liquid Substances 0.000 claims abstract description 18
- 239000002826 coolant Substances 0.000 claims abstract description 15
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1856—Stationary reactors having moving elements inside placed in parallel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
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Abstract
The invention relates to a device for effectively removing heat released in a mixing process, which comprises a reactor, a material channel, a cooling liquid channel and a stirring mechanism, wherein: the reactor comprises a cavity with a hollow interlayer and a partition plate; the material channel is arranged in the cavity, a first inlet for materials to enter and a first outlet for solid-liquid mixture to flow out are respectively arranged at the opposite corners of the cavity, and the first inlet and the first outlet are communicated with the material channel; the cooling liquid channel is arranged in the hollow interlayer and is spaced from the material through the partition plate, the bottom of the cavity is provided with a second inlet for cooling medium to flow in, the top of the cavity is provided with a second outlet for cooling medium to flow out, and the second inlet and the second outlet are communicated with the cooling liquid channel; the stirring mechanism comprises at least one stirring paddle and a driving assembly, and at least part of the stirring paddle extends into the material channel; the device can remove the heat that emits in the solid-liquid mixing process in time, and can the intensive mixing material.
Description
Technical Field
The invention relates to the technical field of solid-liquid mixing equipment, in particular to a device for effectively removing heat released in a mixing process.
Background
In the technical field of solid-liquid mixing, the dispersion of powdery or granular solid in liquid is one of the problems widely encountered in the basic research field and industrial production departments, the mixing and dispersion of powdery or granular solid and liquid is an important process step, and the good dispersion technology not only can improve the performance and quality of a composite product, but also plays a very important role in improving the process efficiency.
Some powdery or granular solids and liquid can emit a large amount of heat in the mixing process, and if the heat cannot be removed in time, the inside of the mixed material is overheated, so that the product performance and the quality are seriously influenced. For in time removing the heat of giving off among the solid-liquid mixing process, the heat of giving off among the solid-liquid mixing process is mainly removed through the heat exchanger to prior art, but the heat exchanger does not possess the function of material mixing, for the intensive mixing material, mainly come the mixing material through reation kettle, but reation kettle is bulky, and the cauldron body center is big to the temperature gradient of cavity inner wall, the heat can not in time be removed, heat transfer efficiency is low, also can cause great influence to produce property ability and quality, and reation kettle stirring speed is slow, likepowder or granular solid and liquid can not intensive mixing in the cauldron.
Disclosure of Invention
Based on this, it is necessary to provide a device for effectively removing the heat released in the mixing process, aiming at the problems that the heat released in the solid-liquid mixing process cannot be removed in time and the materials cannot be sufficiently mixed.
An apparatus for effectively removing exothermic heat from a mixing process, the apparatus comprising a reactor, a material channel, a coolant channel, and a stirring assembly, wherein:
the reactor comprises a cavity with a hollow interlayer and a partition plate;
the material channel is arranged in the cavity, a first inlet for materials to enter and a first outlet for solid-liquid mixture to flow out are respectively arranged at the diagonal positions of the cavity, and the first inlet and the first outlet are communicated with the material channel;
the cooling liquid channel is arranged in the hollow interlayer and is arranged at an interval with the material channel through the partition plate, a second inlet for cooling medium to flow in is formed in the bottom of the cavity, a second outlet for cooling medium to flow out is formed in the top of the cavity, and the second inlet and the second outlet are communicated with the cooling liquid channel;
the stirring mechanism comprises at least one stirring paddle and a driving assembly, and at least part of the stirring paddle extends into the material channel.
The device for effectively removing the heat released in the mixing process is characterized in that the material channel is arranged in the cavity, a first inlet and a first outlet are respectively arranged at the opposite corners of the cavity, the first inlet, the first outlet and the material channel are communicated with each other, the powdery or granular solid and the liquid material can enter the material channel through the first inlet, and flow out to the outside through the first outlet after being mixed, the cooling liquid channel is arranged in the hollow interlayer and is arranged at intervals with the material channel through the partition plate to fully absorb the heat released in the mixing process of the powdery or granular solid and the liquid, the bottom of the cavity is provided with the second inlet, the top of the cavity is provided with the second outlet, the second inlet, the second outlet and the cooling liquid channel are communicated with each other, the cooling medium can flow into the cooling liquid channel through the second inlet and flow out to the outside through the second outlet after absorbing the heat released in the mixing process, and be provided with the stirring subassembly, rabbling mechanism includes at least one stirring rake and drive assembly, can drive the rotatory work of stirring subassembly through drive assembly to at least part of stirring rake stretches into in the material passageway, in order to realize the intensive mixing of powdery or granular solid and liquid. This effectively remove device that mixing process emitted heat can in time remove the heat that solid-liquid mixing in-process emitted, and can the intensive mixing material.
In one embodiment, the material channel is in a serpentine multi-bend structure, and a plurality of stirring paddles are distributed in the material channel at intervals along the material flowing direction.
In one embodiment, the cavity has a side wall, a top cover and a bottom cover opposite to the top cover, and the side wall and the partition constitute the hollow interlayer.
In one embodiment, the driving assembly includes a motor having a transmission wheel, a plurality of synchronous wheel sets, a gear set having a transmission wheel, and a synchronous belt, the synchronous belt is wound between the transmission wheel and the adjacent synchronous wheel set, the synchronous belt is wound between the adjacent two synchronous wheel sets, and the synchronous belt is wound between the transmission wheel and the adjacent synchronous wheel set.
In one embodiment, the synchronous wheel set comprises a first output shaft, the gear set comprises a plurality of second output shafts, and stirring paddles are sleeved on the first output shaft and the second output shafts respectively.
In one embodiment, a fixing plate is connected to the top cover, the motor is disposed on the fixing plate, a plurality of first fixing ports and second fixing ports are formed in the top cover, the first fixing ports and the second fixing ports penetrate through the thickness of the top cover, the second fixing ports are close to the second inlet, bearing seats are disposed on the first fixing ports and the second fixing ports, the first output shaft is inserted into the bearing seats and penetrates through the first fixing ports, and the second output shaft is inserted into the bearing seats and penetrates through the second fixing ports.
In one embodiment, the top cover is further provided with a viewing port, and the viewing port is communicated with the material channel.
In one embodiment, a weir is disposed in the material channel adjacent to the first outlet, the weir protruding above the bottom surface of the material channel.
In one embodiment, the device further comprises a solid feeding assembly and a liquid feeding assembly, wherein one end of the solid feeding assembly and one end of the liquid feeding assembly both extend into the first inlet, the solid feeding assembly comprises a hopper and a screw driver, and the liquid feeding assembly comprises a liquid material storage tank and a liquid material feeding pump.
In one embodiment, the stirring paddle is provided with a plurality of blades, and the blades are arranged in layers along the axial direction of the stirring paddle.
Drawings
FIG. 1 is a schematic diagram of a reactor structure of an apparatus for effectively removing heat generated in a mixing process provided by the present invention;
FIG. 2 is an exploded view of the chamber of the apparatus for effectively removing heat generated during mixing according to the present invention;
FIG. 3 is an exploded view of another perspective of the chamber of the apparatus for efficiently removing heat evolved by the mixing process provided by the present invention;
FIG. 4 is a schematic diagram of a top cover structure of the device for effectively removing heat generated in the mixing process provided by the present invention;
FIG. 5 is a schematic diagram of a top cover and a stirring mechanism module in the apparatus for effectively removing heat generated during mixing according to the present invention;
FIG. 6 is a schematic structural diagram of a stirring mechanism in the apparatus for effectively removing heat generated during mixing according to the present invention;
fig. 7 is a schematic diagram of the overall structure of the device for effectively removing heat generated in the mixing process provided by the invention.
Reference numerals:
100. means for effectively removing heat evolved during the mixing process;
110. a reactor; 111. a cavity; 112. a partition plate; 113. a hollow interlayer; 114. a side wall; 115. a top cover; 116. a bottom cover; 117. an overflow weir; 118. a first sealing cover; 119. a second sealing cover;
1151. a fixing plate; 1152. a first fixed port; 1153. a second fixed port; 1154. a viewing port;
120. a material channel; 121. a first inlet; 122. a first outlet;
130. a coolant passage; 131. a second inlet; 132. a second outlet;
140. a stirring mechanism; 141. a stirring paddle; 142. a drive assembly; 143. a paddle;
1421. a motor; 1422. a synchronous wheel set; 1423. a gear set; 1424. a transmission wheel; 1425. a driving wheel; 1426. a synchronous belt; 1427. a first output shaft; 1428. a second output shaft; 1429. a bearing seat;
150. a solid feed assembly; 151. a hopper; 152. a screw driver;
160. a liquid feed assembly; 161. a liquid material storage tank; 162. liquid material feeding pump.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The technical scheme provided by the embodiment of the invention is described below by combining the accompanying drawings.
The present invention provides an apparatus 100 for effectively removing heat generated during mixing for mixing and dispersing a powdery or granular solid and a liquid and removing heat generated during mixing of the powdery or granular solid and the liquid. The apparatus 100 for effectively removing heat generated during mixing process comprises a reactor 110, a material channel 120, a cooling liquid channel 130 and a stirring mechanism 140, wherein:
the reactor 110 includes a chamber 111 and a partition 112, as shown in fig. 1, 2 and 3, the chamber 111 has a hollow interlayer 113, a side wall 114, a top cover 115 and a bottom cover 116, the top cover 115 and the bottom cover 116 are disposed opposite to each other, the side wall 114, the top cover 115 and the bottom cover 116 together enclose the chamber 111, the partition 112 can be fixed on the bottom cover 116 by welding, riveting or the like, and is located inside the chamber 111 to form the hollow interlayer 113 together with the side wall 114, the chamber 111 further includes a first sealing cover 118 and a second sealing cover 119, the first sealing cover 118 is located on a side of the top cover 115 close to the chamber 111, and the second sealing cover 119 is located on a side of the bottom cover 116 close to the chamber 111. The side wall 114, the top cover 115 and the bottom cover 116 may be integrally formed by casting, stamping, forging, welding, or the side wall 114, the top cover 115 and the bottom cover 116 may be fixedly connected into a whole by bolts after the side wall 114 is formed, and the specific forming method of the cavity 111 is not limited in the present invention.
The material channel 120 is disposed in the cavity 111, as shown in fig. 2, fig. 3 and fig. 4, a first inlet 121 and a first outlet 122 are respectively disposed at opposite corners of the cavity 111, the first inlet 121 is used for the material to enter, the first outlet 122 is used for the solid-liquid mixture to flow out, and the first inlet 121, the first outlet 122 and the material channel 120 are communicated with each other. It should be noted that, when the first inlet 121 is opened at a position of the top cover 115 close to a corner, the first outlet 122 is opened at a position of the bottom cover 116 corresponding to the corner; when the first inlet 121 is opened at a position of the side wall 114 close to the corner, the first outlet 122 is opened at a position of the side wall 114 corresponding to the corner; the specific opening positions of the first inlet 121 and the first outlet 122 are not limited in the present invention, and the first inlet 121 and the first outlet 122 only need to be relatively far apart to extend the material flow path.
The cooling liquid channel 130 is disposed in the hollow interlayer 113, as shown in fig. 2 and fig. 3, the cooling liquid channel 130 is disposed at an interval with the material channel 120 through the partition plate 112, a second inlet 131 for the cooling medium to flow into is disposed at the bottom of the cavity 111, a second outlet 132 for the cooling medium to flow out is disposed at the bottom of the cavity 111, and the second inlet 131, the second outlet 132 and the cooling liquid channel 130 are communicated with each other. It should be noted that the cooling medium flows in from the bottom and flows out from the top, which is beneficial to the sufficient contact between the cooling medium and the partition 112, and the heat absorption effect is better. However, when the heat release amount is small during the solid-liquid mixing process, the second inlet 131 may be provided at the top of the cavity 111, and the second outlet 132 may be provided at the bottom of the cavity 111.
The stirring mechanism 140 includes at least one stirring paddle 141 and a driving assembly 142, as shown in fig. 5 and fig. 6, the stirring paddle 141 and the driving assembly 142 are rotatably connected as a whole, and at least a portion of the stirring paddle 141 extends into the material passage 120, and the driving assembly 142 can drive the stirring paddle 141 to rotate, so as to achieve sufficient mixing of the powdery or granular solid and the liquid.
In the apparatus 100 for effectively removing heat released in the mixing process, the material channel 120 is disposed in the cavity 111, the first inlet 121 and the first outlet 122 are respectively disposed at opposite corners of the cavity 111, and the first inlet 121, the first outlet 122 and the material channel 120 are communicated with each other, the powdery or granular solid and the liquid material can enter the material channel 120 through the first inlet 121, and flow out to the outside of the cavity 111 through the first outlet 122 after being mixed, the hollow interlayer 113 is provided with the cooling liquid channel 130, the cooling liquid channel 130 is disposed at an interval with the material channel 120 through the partition plate 112, and can sufficiently absorb heat released in the mixing process of the powdery or granular solid and the liquid, the bottom of the cavity 111 is provided with the second inlet 131, the top of the cavity 111 is provided with the second outlet 132, and the second inlet 131, the second outlet 132 and the cooling liquid channel 130 are communicated with each other, the cooling medium can flow into the cooling liquid channel 130 through the second inlet 131, the mixture flows out of the cavity 111 through the second outlet 132 after absorbing heat emitted during the mixing process, and a stirring mechanism 140 is provided, the stirring mechanism 140 includes at least one stirring paddle 141 and a driving assembly 142, the driving assembly 142 can drive the stirring mechanism 140 to rotate, and at least a portion of the stirring paddle 141 extends into the material passage 120, so as to achieve sufficient mixing of the powdery or granular solid and the liquid. The device 100 for effectively removing heat emitted in the mixing process can remove the heat emitted in the solid-liquid mixing process in time and can fully mix materials.
In order to achieve sufficient mixing of the powdery or granular solid and the liquid, in a preferred embodiment, as shown in fig. 2 and 3, the material passage 120 has a serpentine multi-bend structure, which can prolong the flow path of the material in the material passage 120, and a plurality of paddles 141 are spaced apart from each other in the material passage 120 along the material flow direction, so that the powdery or granular solid can be sufficiently mixed in the liquid by the rotation of the paddles 141 during the material flow.
It should be noted that, for the material of the mixture of the powder solid and the liquid or the occasion with low requirement on the mixing sufficiency, the number of the curved channels of the material channel 120 and the number of the stirring paddles 141 can be set to be small, and at this time, the volume of the cavity 111 is small, which is convenient for effectively removing the movement of the device 100 which emits heat in the mixing process, and can save the manufacturing cost of the device 100 which effectively removes the heat emitted in the mixing process; for the occasions with higher requirements on the sufficiency of mixing granular solid and liquid or the material, the number of the bent channels of the material channel 120 and the number of the stirring paddles 141 can be set to be more, so that the materials can be fully mixed; the specific setting of the number of the curved channels of the material channel 120 and the number of the stirring paddles 141 is not limited in the present invention, and the setting can be made according to the product quality and performance requirements.
In order to drive the rotation of the paddle 141, in a preferred embodiment, as shown in fig. 5, the driving assembly 142 includes a motor 1421 having a transmission wheel 1424, a plurality of synchronous wheel sets 1422, a gear set 1423 having a transmission wheel 1425, and a synchronous belt 1426, the synchronous belt 1426 is wound between the transmission wheel 1424 and the adjacent synchronous wheel set 1422, one synchronous wheel set 1422 includes at least two synchronous wheels, the synchronous belt 1426 is wound between the adjacent two synchronous wheel sets 1422, the motor 1421 drives one of the synchronous wheel sets 1422 to rotate through the synchronous belt 1426, so as to drive the plurality of synchronous wheel sets 1422 to rotate synchronously, the synchronous wheel set 1422 includes a first output shaft 1427, and the first output shaft 1427 is sleeved with the paddle 141, and the rotating synchronous wheel set 1422 drives the paddle 141 to rotate through the first output shaft 1427, so as to achieve stirring and mixing of the powdery or granular solid and the liquid. The gear set 1423 includes two gears which are meshed with each other, one of the gears is provided with a transmission wheel 1425, a synchronous belt 1426 is wound between the transmission wheel 1425 and the adjacent synchronous wheel set 1422, the transmission wheel 1425 is driven to rotate by the adjacent synchronous wheel set 1422, so as to drive the rotation of the gear set 1423, the gear set 1423 includes a plurality of second output shafts 1428, a stirring paddle 141 is sleeved on the second output shafts 1428, the rotating gear set 1423 drives the stirring paddle 141 to rotate by the second output shafts 1428, and due to the fact that the gears which are meshed with each other rotate in opposite directions, the mixing uniformity between the powdery or granular solid and the liquid can be improved.
It should be noted that, when the path of the material passage 120 is short, the driving assembly 142 can drive the rotation of the stirring paddle 141 only through the transmission between the motor 1421 and the gear set 1423, and since the gears meshed with each other rotate in opposite directions, the mixing uniformity of the powdery or granular solid and the liquid can be effectively improved in the relatively short material passage 120.
To fix the driving assembly 142, specifically, as shown in fig. 4 and 5, a fixing plate 1151 is connected to the top cover 115, the motor 1421 is disposed on the fixing plate 1151, and the motor 1421 is additionally disposed on the fixing plate 1151, so that an installation space on the top cover 115 can be saved, and of course, when a large installation space is reserved on the top cover 115, the motor 1421 can be directly fixed on the top cover 115. The top cover 115 is further provided with a plurality of first fixing ports 1152 and second fixing ports 1153 penetrating through the thickness of the top cover 115, the second fixing ports 1153 are close to the second inlet 131, a bearing seat 1429 is arranged on the first fixing ports 1152, the first output shaft 1427 is inserted on the bearing seat 1429, the first output shaft 1427 can penetrate through the first fixing ports 1152, the synchronizing wheel set 1422 is fixed on a bearing seat, and the synchronizing wheel set 1422 and the top cover 115 are indirectly fixed; a bearing seat 1429 is also arranged on the second fixing port 1153, the second output shaft 1428 is inserted into the bearing seat 1429, and the second output shaft 1428 can penetrate through the second fixing port 1153, so that the gear set 1423 is fixed on the bearing seat 1429, and the gear set 1423 and the top cover 115 are indirectly fixed.
In order to further realize the sufficient mixing of the powdery or granular solid and the liquid, specifically, as shown in fig. 2, 3 and 4, an observation port 1154 is formed on the top cover 115, the observation port 1154 is communicated with the material channel 120, the mixing uniformity of the material in the material channel 120 can be observed through the observation port 1154, when more powdery or granular solid exists in the liquid medium, the rotational speed of the motor 1421 can be adjusted, the rotational speed of the stirring paddle 141 is increased to further mix the powdery or granular solid and the liquid, so that the sufficient mixing of the powdery or granular solid and the liquid is realized, and more insoluble solid remained in the mixed material is avoided, and the quality and performance of the product are seriously affected. In order to avoid the phenomenon that the powdery or granular solid and the liquid are sputtered to the outside of the cavity 111 through the observation port 1154 in the mixing process, the materials are wasted, and the operation safety hazard exists, a transparent acrylic plate can be installed at the observation port 1154 to seal the cavity 111.
In order to prevent the powdery or granular solid that is not dispersed in the liquid from flowing out through the first outlet 122 and affecting the quality and performance of the product, in a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, a weir 117 is disposed in the cavity 111 near the first outlet 122, and the weir 117 protrudes from the bottom surface of the material passage 120. The solid-liquid mixture can flow out of the first outlet 122 through the overflow weir 117 and leave undissolved solids, impurities, and the like at the bottom of the material passage 120. It should be noted that, for the situation with higher requirements on product quality and performance, the protruding height of the overflow weir 117 can be set to be larger, so as to avoid that when there are more insoluble solids or impurities, the insoluble solids or impurities will overflow the overflow weir 117 along with the solid-liquid mixture, which affects the product quality and performance. The specific height of the overflow weir 117 is not limited in the present invention, and can be set according to specific requirements.
In order to realize the automatic feeding of the powdery or granular solid and the liquid, in a preferred embodiment, as shown in fig. 7, the apparatus 100 for effectively removing the heat released from the mixing process further comprises a solid feeding assembly 150 and a liquid feeding assembly 160, wherein one end of the solid feeding assembly 150 extends into the first inlet 121, the solid feeding assembly 150 comprises a hopper 151 and a screw driver 152, and the powdery or granular solid in the hopper 151 is pushed into the material channel 120 through the first inlet 121 by the screw driver 152, so as to realize the automatic feeding of the powdery or granular solid; one end of the liquid feeding assembly 160 also extends into the first inlet 121, the liquid feeding assembly 160 includes a liquid storage tank 161 and a liquid feeding pump 162, and the liquid stored in the liquid storage tank 161 can enter the liquid feeding pump 162 through the first inlet 121 via a hose and be pushed into the material channel 120 through the liquid feeding pump 162, so as to realize automatic feeding and conveying of the liquid.
In order to further improve the mixing uniformity of the powdery or granular solid and the liquid, in a preferred embodiment, as shown in fig. 5 and 6, the stirring paddle 141 has a plurality of blades 143, and the plurality of blades 143 are arranged in layers along the axial direction of the stirring paddle 141, the plurality of blades 143 arranged in layers can rotate in the material passage 120 under the driving action of the driving assembly 142, the stirring paddle 141 has a larger centrifugal force, and the powdery or granular solid can be sufficiently mixed under the action of the stirring paddle 141, so that the mixing uniformity of the powdery or granular solid and the liquid is further improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An apparatus for effectively removing exothermic heat during mixing, comprising a reactor, a material passage, a coolant passage, and a stirring mechanism, wherein:
the reactor comprises a cavity with a hollow interlayer and a partition plate;
the material channel is arranged in the cavity, a first inlet for materials to enter and a first outlet for solid-liquid mixture to flow out are respectively arranged at the diagonal positions of the cavity, and the first inlet and the first outlet are communicated with the material channel;
the cooling liquid channel is arranged in the hollow interlayer and is arranged at an interval with the material channel through the partition plate, a second inlet for cooling medium to flow in is formed in the bottom of the cavity, a second outlet for cooling medium to flow out is formed in the top of the cavity, and the second inlet and the second outlet are communicated with the cooling liquid channel;
the stirring mechanism comprises at least one stirring paddle and a driving assembly, and at least part of the stirring paddle extends into the material channel.
2. The apparatus of claim 1, wherein the material channel is a serpentine multi-turn structure, and a plurality of stirring paddles are spaced in the material channel along the material flow direction.
3. The apparatus of claim 1, wherein the chamber has a side wall, a top cover, and a bottom cover opposite the top cover, the side wall and the partition forming the hollow sandwich.
4. The apparatus of claim 3, wherein the driving assembly comprises a motor having a transmission wheel, a plurality of synchronous wheel sets, a gear set having a driving wheel, and a synchronous belt, the synchronous belt is wound between the transmission wheel and the adjacent synchronous wheel set, the synchronous belt is wound between the two adjacent synchronous wheel sets, and the synchronous belt is wound between the driving wheel and the adjacent synchronous wheel set.
5. The device for effectively removing heat generated during mixing of claim 4, wherein the synchronous gear set comprises a first output shaft, the gear set comprises a plurality of second output shafts, and stirring paddles are sleeved on both the first output shaft and the second output shafts.
6. The device of claim 5, wherein the top cover is connected to a fixed plate, the motor is disposed on the fixed plate, the top cover is provided with a plurality of first and second fixed ports extending through a thickness of the top cover, the second fixed port is close to the second inlet, the first and second fixed ports are provided with bearing seats, the first output shaft is inserted into the bearing seat and extends through the first fixed port, and the second output shaft is inserted into the bearing seat and extends through the second fixed port.
7. The apparatus of claim 6, wherein the top cap further comprises a viewing port, the viewing port being in communication with the material channel.
8. The apparatus for efficiently removing exothermic heat from a mixing process of claim 1, wherein a weir is disposed in the material channel adjacent to the first outlet, the weir protruding above the bottom surface of the material channel.
9. The apparatus of claim 1, further comprising a solids feed assembly and a liquids feed assembly, wherein one end of each of the solids feed assembly and the liquids feed assembly extends into the first inlet, wherein the solids feed assembly comprises a hopper and a screw drive, and wherein the liquids feed assembly comprises a liquids reservoir and a liquids feed pump.
10. The apparatus for removing heat generated during mixing of claim 1, wherein said paddle has a plurality of blades, and said plurality of blades are arranged in layers along the axial direction of said paddle.
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CN116571202A (en) * | 2023-07-12 | 2023-08-11 | 山东彩客新材料有限公司 | Transfer mixing device for iron phosphate preparation and mixing method thereof |
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