CN114588835A - Spray granulation process for producing low-temperature electronic packaging material - Google Patents
Spray granulation process for producing low-temperature electronic packaging material Download PDFInfo
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- CN114588835A CN114588835A CN202210274272.5A CN202210274272A CN114588835A CN 114588835 A CN114588835 A CN 114588835A CN 202210274272 A CN202210274272 A CN 202210274272A CN 114588835 A CN114588835 A CN 114588835A
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- 239000007921 spray Substances 0.000 title claims abstract description 104
- 238000005469 granulation Methods 0.000 title claims abstract description 61
- 230000003179 granulation Effects 0.000 title claims abstract description 61
- 239000005022 packaging material Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004100 electronic packaging Methods 0.000 title claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 55
- 239000011521 glass Substances 0.000 claims abstract description 45
- 239000000843 powder Substances 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 14
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 14
- 238000000498 ball milling Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 12
- 238000011068 loading method Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000000889 atomisation Methods 0.000 claims 2
- 239000002245 particle Substances 0.000 abstract description 8
- 230000009477 glass transition Effects 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000012798 spherical particle Substances 0.000 abstract description 3
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a spray granulation process for producing a low-temperature electronic packaging material, relates to the field of low-temperature electronic packaging materials, the method comprises the steps of mixing glass powder and deionized water, ball-milling until the glass powder is ball-milled to form uniform slurry, adding polyvinyl alcohol, wherein the polyvinyl alcohol can form a surface by wrapping powder particles, stabilizing centrifugally atomized fog drops and self-solidifying in the spray granulation process to generate a three-dimensional interconnected resin framework, to produce spherical particles, the spray granulation is uniform, the obtained encapsulated granulated powder has high uniformity, high glass transition temperature and good stability, therefore, the prepared inorganic low-temperature glass packaging material has the advantages of high strength, good thermal stability, good moisture resistance, lower expansion coefficient, high thermal conductivity and particularly good insulating strength at high temperature, thereby being an excellent high-quality new product with wide market prospect.
Description
Technical Field
The invention relates to the field of low-temperature electronic packaging materials, in particular to a spray granulation process for producing a low-temperature electronic packaging material.
Background
Electronic packaging materials are widely available, and commonly used materials include polymers, metals, composite materials and the like. Metal material (b): the overall stability of heat conductivity, weight, price, processing, thermal expansion coefficient, resistance and the like of different metals is large, and the method is not suitable for wide application. A polymer material; the method is that the granular filler with high conductivity or low conductivity and some carbon fibers are added to meet the performance requirement in common. A composite material; the material is a material combined by two or more substances with different physical or chemical properties, has uneven overall performance, cannot be widely applied and has high cost.
The low-temperature glass electronic packaging material has good chemical stability, good heat conducting property, small thermal expansion coefficient, better mechanical strength, air tightness and high insulating strength, and can effectively replace high polymer materials and metal materials.
However, the existing low-temperature glass electronic packaging material has unreasonable powder preparation process in the production process, so that the powder is not uniform enough, and the glass transition temperature is not uniform.
Therefore, a spray granulation process for producing a low-temperature electronic packaging material is urgently needed, a powder preparation process is strictly controlled, the reasonable particle size distribution of powder is ensured, the influence on a solvent is reduced, the printing performance is improved, and the problem of uneven glass transition temperature can be solved.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a spray granulation process for producing a low-temperature electronic packaging material, which comprises the following steps: through at first carrying out the ball-milling after mixing glass powder, deionized water, until glass powder ball-milling forms even thick liquids, later add polyvinyl alcohol and continue the ball-milling and form glass thick liquids, later utilize spraying granulation equipment, at first utilize the (mixing) shaft to rotate, continuously stir glass thick liquids, later through high-temperature heat flow stoving shaping, later utilize the knockout tower to separate high-temperature air current and encapsulation granulation powder, and carry out spray water spray treatment in the spray tower, it is unreasonable to have solved powder preparation technology in the current low temperature glass electronic packaging material production process, lead to the powder not enough even, lead to the inhomogeneous problem of vitrification temperature.
The purpose of the invention can be realized by the following technical scheme:
the spray granulation process for producing the low-temperature electronic packaging material comprises the following steps of:
the method comprises the following steps: mixing glass powder and deionized water according to equal mass, adding the mixture into a ball mill for ball milling for 3-4h, adding polyvinyl alcohol for continuous ball milling for 1-2h, wherein the adding amount of the polyvinyl alcohol is 1% of the mass of the glass powder, and obtaining glass slurry;
step two: adding the glass slurry into a feeding hopper of spray granulation equipment, storing the glass slurry in an inner cavity of a slurry box, starting a driving motor, driving a stirring shaft to rotate by the driving gear and a driven gear when the driving motor runs, and continuously stirring the glass slurry;
step three: starting a heater, releasing heat by the heater, starting a conveying fan, conveying airflow in a filter box by the conveying fan, filtering the airflow by a filter screen, then feeding the airflow into the heater, carrying heat to form high-temperature airflow and feeding the high-temperature airflow into a spray granulation tower;
step four: starting a first liquid conveying pump, wherein the first liquid conveying pump is operated to pump out the glass slurry from the slurry box and spray the glass slurry from the material atomizing spray head to form atomized slurry, and the atomized slurry moves along with high-temperature airflow, so that moisture in the atomized slurry is evaporated to form encapsulated granulated powder;
step five: starting an output fan, wherein the output fan operates to generate negative pressure, the packaged granulation powder enters a separation tower along the tangential direction along with high-temperature airflow, the packaged granulation powder forms outward rotation and enters a material loading box for storage, and the high-temperature airflow forms inward rotation and is conveyed to a spray tower through the output fan;
step six: and starting a second liquid conveying pump, wherein the second liquid conveying pump is operated to pump out the spray water in the water storage tank, and the spray water is sprayed out through a spray water nozzle, so that the high-temperature air flow is cooled and purified and then is discharged from the air outlet pipe.
As a further scheme of the invention: the spray granulation equipment comprises a mounting rack, a spray granulation tower, a heater, a filter box, a conveying fan, a separation tower, an output fan and a spray tower, wherein the heater is mounted at one end of the top of the mounting rack, one end of the heater is connected to the top of one side of the spray granulation tower in a tangential direction through a pipeline, the spray granulation tower is installed at one end of the top of the mounting rack in a penetrating manner, the other end of the heater is communicated to one end of the filter box through a pipeline, a filter screen is mounted in an inner cavity of the filter box, and the other end of the filter box is communicated to the output end of the conveying fan;
the bottom of spraying granulation tower is installed and is gathered the workbin, one side of gathering the workbin communicates to one side top of knockout tower with tangential direction through the pipeline, the knockout tower runs through the top intermediate position of installing at the mounting bracket, the bottom of knockout tower is installed and is had the workbin, the top of knockout tower communicates to the input of output fan through the pipeline, the output of output fan communicates to one side bottom of spray column through the pipeline, the outlet duct is installed at the top of spray column, the spray column runs through the top other end of installing at the mounting bracket.
As a further scheme of the invention: the filter box is installed at the top of installing support, the installing support is connected on one end of mounting bracket.
As a further scheme of the invention: the top one end at the thick liquids case is installed to the case that gathers materials, the loading hopper is installed to the top other end of thick liquids case, first delivery liquid pump is installed to the top intermediate position of thick liquids case, the input of first delivery liquid pump communicates to the inner chamber middle part of thick liquids case through the pipeline, the output of first delivery liquid pump communicates to material atomizer through the pipeline, material atomizer installs the inner chamber top at the spray granulation tower.
As a further scheme of the invention: driving motor is installed to the one end of thick liquids case, the driving gear has been cup jointed on driving motor's the output shaft, driven gear is connected in the equal meshing in both sides of driving gear, driven gear cup joints in one of (mixing) shaft, the (mixing) shaft rotates and installs in the inner chamber of thick liquids case, and two (mixing) shafts are located the inner chamber both sides of thick liquids case.
As a further scheme of the invention: the spray tower and the output fan are both installed at one end of the top of the water storage tank, a second liquid conveying pump is installed at the other end of the top of the water storage tank, the input end of the second liquid conveying pump is communicated into the inner cavity of the water storage tank through a pipeline, the output end of the second liquid conveying pump is communicated to the spray water nozzle through a pipeline, and the spray water nozzle is installed in the inner cavity of the air outlet pipe.
The invention has the beneficial effects that:
the spray granulation process for producing the low-temperature electronic packaging material comprises the steps of mixing glass powder and deionized water, performing ball milling until the glass powder is ball milled to form uniform slurry, adding polyvinyl alcohol, wherein the polyvinyl alcohol is a nonionic polymer and is mainly adsorbed on the surface of powder particles in a physical adsorption mode, and the adsorbed molecules have cohesive force and are tightly adhered to form a layer of film with the function of reducing friction, so that the polyvinyl alcohol can wrap the powder particles to stabilize centrifugally atomized fog drops and self-solidify to form a surface in the spray granulation process and generate a three-dimensional interconnected resin framework to produce spherical particles, so that the spray granulation is uniform, the obtained packaging granulation powder has high uniformity, the vitrification temperature is high, the stability is good, and the prepared inorganic low-temperature glass packaging material has high strength, the high-temperature-resistant insulating material has the advantages of good thermal stability, good moisture resistance, lower expansion coefficient, high thermal conductivity and particularly good insulating strength at high temperature, thereby being an excellent high-quality new product with wide market prospect.
According to the spray granulation process, spray granulation equipment is applied, firstly, a stirring shaft is used for rotating to continuously stir glass slurry, so that the problem that when the packaged granulated powder is prepared, if the slurry is easily precipitated, the nonuniform spraying of the glass slurry is easily caused, the uniformity of the packaged granulated powder is influenced, and further the quality of the prepared inorganic low-temperature glass packaging material is influenced is avoided, then, the inorganic low-temperature glass packaging material is dried and formed through high-temperature heat flow, then, high-temperature air flow is separated from the packaged granulated powder through a separation tower, spray water is sprayed in a spray tower, the high-temperature air flow is cooled, the influence on the external production environment is avoided, meanwhile, the packaged granulated powder with the too small particle size carried in the high-temperature air flow is removed, and the air pollution is avoided; the spray granulation equipment has high production efficiency and good environmental protection performance, and the prepared inorganic low-temperature glass packaging material has high uniformity and good quality.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of a spray granulation apparatus according to the present invention.
FIG. 2 is a side view of a spray granulation tower and slurry tank of the present invention.
FIG. 3 is a schematic view of the internal structure of a spray granulation tower according to the present invention.
FIG. 4 is a schematic view showing the internal structure of the slurry tank of the present invention.
Figure 5 is a side view of a spray tower and reservoir of the present invention.
In the figure: 101. a mounting frame; 102. a spray granulation tower; 103. a heater; 104. a filter box; 105. mounting a bracket; 106. a conveying fan; 107. a material collecting box; 108. a slurry tank; 109. a separation column; 110. a material loading box; 111. an output fan; 112. a spray tower; 113. a water storage tank; 114. an air outlet pipe; 115. a first liquid delivery pump; 116. a hopper; 117. a drive motor; 118. a material atomizing spray head; 119. a driving gear; 120. a driven gear; 121. a stirring shaft; 122. a second feed liquid pump; 123. and (4) spraying a water spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Example 1:
referring to fig. 1-5, the present embodiment is a spray granulation apparatus, including a mounting frame 101, a spray granulation tower 102, a heater 103, a filter box 104, a conveying fan 106, a separation tower 109, an output fan 111, and a spray tower 112, where the heater 103 is installed at one end of the top of the mounting frame 101, one end of the heater 103 is connected to the top of one side of the spray granulation tower 102 in a tangential direction through a pipeline, the spray granulation tower 102 is installed at one end of the top of the mounting frame 101 in a penetrating manner, the other end of the heater 103 is connected to one end of the filter box 104 through a pipeline, a filter screen is installed in an inner cavity of the filter box 104, and the other end of the filter box 104 is connected to an output end of the conveying fan 106;
the bottom end of the spray granulation tower 102 is provided with a material collection box 107, one side of the material collection box 107 is communicated to the top of one side of the separation tower 109 in a tangential direction through a pipeline, the separation tower 109 is arranged at the middle position of the top of the mounting frame 101 in a penetrating manner, the bottom end of the separation tower 109 is provided with a material loading box 110, the top of the separation tower 109 is communicated to the input end of the output fan 111 through a pipeline, the output end of the output fan 111 is communicated to the bottom of one side of the spray tower 112 through a pipeline, the top of the spray tower 112 is provided with an air outlet pipe 114, and the spray tower 112 is arranged at the other end of the top of the mounting frame 101 in a penetrating manner;
the filter box 104 is mounted on top of a mounting bracket 105, the mounting bracket 105 being attached to one end of the mounting frame 101.
The material collecting box 107 is arranged at one end of the top of the slurry box 108, the other end of the top of the slurry box 108 is provided with the feeding hopper 116, the middle position of the top of the slurry box 108 is provided with the first liquid conveying pump 115, the input end of the first liquid conveying pump 115 is communicated to the middle part of the inner cavity of the slurry box 108 through a pipeline, the output end of the first liquid conveying pump 115 is communicated to the material atomizing spray head 118 through a pipeline, the material atomizing spray head 118 is arranged at the top of the inner cavity of the spray granulation tower 102;
a driving motor 117 is installed at one end of the slurry tank 108, a driving gear 119 is sleeved on an output shaft of the driving motor 117, two sides of the driving gear 119 are meshed with driven gears 120, the driven gears 120 are sleeved on one end of a stirring shaft 121, the stirring shaft 121 is rotatably installed in an inner cavity of the slurry tank 108, and the two stirring shafts 121 are located at two sides of the inner cavity of the slurry tank 108;
the spray tower 112 and the output fan 111 are both installed at one end of the top of the water storage tank 113, the second liquid conveying pump 122 is installed at the other end of the top of the water storage tank 113, the input end of the second liquid conveying pump 122 is communicated into the inner cavity of the water storage tank 113 through a pipeline, the output end of the second liquid conveying pump 122 is communicated into the spray water nozzle 123 through a pipeline, and the spray water nozzle 123 is installed in the inner cavity of the air outlet pipe 114.
At first, utilize (mixing) shaft 121 to rotate, continuously stir glass thick liquids, when having avoided preparing encapsulation granulation powder, if the thick liquids deposit and cause the spraying of glass thick liquids inhomogeneous very easily, influence encapsulation granulation powder degree of consistency, and then influence the quality of the inorganic low temperature glass packaging material that the preparation obtained, later through high-temperature heat flow drying and shaping, later utilize knockout tower 109 to separate high-temperature air current and encapsulation granulation powder, and carry out the spray water spraying processing in spray tower 112, cool down high-temperature air current, avoid causing the influence to the external production environment, the encapsulation granulation powder of the particle size undersize that has got rid of simultaneously in the high-temperature air current, avoid air pollution.
Example 2:
referring to fig. 1-5, the spray granulation process for producing the low-temperature electronic packaging material in the present embodiment includes the following steps:
the method comprises the following steps: mixing glass powder and deionized water according to equal mass, adding the mixture into a ball mill for ball milling for 3-4h, adding polyvinyl alcohol for continuous ball milling for 1-2h, wherein the adding amount of the polyvinyl alcohol is 1% of the mass of the glass powder, and obtaining glass slurry; polyvinyl alcohol is a nonionic polymer, and is mainly adsorbed on the surface of powder particles in a physical adsorption mode, and the adsorbed molecules have cohesive force and are tightly close to each other to form a layer of film with the function of reducing friction, so that the polyvinyl alcohol can form a surface by wrapping the powder particles, stabilizing centrifugally atomized fog drops in the spray granulation process and solidifying the fog drops per se to generate a three-dimensional mutually-communicated resin framework so as to produce spherical particles, and the spray granulation is uniform;
step two: adding the glass slurry into a feeding hopper 116 of a spray granulation device, storing the glass slurry in an inner cavity of a slurry box 108, starting a driving motor 117, driving the driving motor 117 to rotate through a driving gear 119 and a driven gear 120 to drive a stirring shaft 121 to rotate, and continuously stirring the glass slurry;
step three: starting the heater 103, releasing heat from the heater 103, starting the conveying fan 106, enabling the conveying fan 106 to operate to convey airflow into the filter box 104, enabling the airflow to enter the heater 103 after being filtered by the filter screen, carrying heat to form high-temperature airflow and entering the spray granulation tower 102;
step four: starting the first liquid conveying pump 115, wherein the first liquid conveying pump 115 operates to pump out the glass slurry from the slurry box 108 and spray the glass slurry from the material atomizing nozzle 118 to form atomized slurry, and the atomized slurry moves along with high-temperature airflow, so that moisture in the atomized slurry is evaporated to form encapsulated granulated powder;
step five: starting an output fan 111, wherein the output fan 111 operates to generate negative pressure, the packaged granulated powder enters the separation tower 109 along with high-temperature airflow in a tangential direction, the packaged granulated powder forms outward rotation and enters a loading box 110 for storage, and the high-temperature airflow forms inward rotation and is conveyed to a spray tower 112 through the output fan 111;
step six: and starting the second liquid conveying pump 122, wherein the second liquid conveying pump 122 operates to pump out the spray water in the water storage tank 113, the spray water is sprayed out through the spray water spray nozzle 123, and the high-temperature air flow is cooled and purified and then is discharged from the air outlet pipe 114.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and it will be appreciated by those skilled in the art that various modifications, additions and substitutions can be made to the embodiments described without departing from the scope of the invention as defined in the appended claims.
Claims (6)
1. The spray granulation process for producing the low-temperature electronic packaging material is characterized by comprising the following steps of:
the method comprises the following steps: mixing glass powder and deionized water according to equal mass, adding the mixture into a ball mill for ball milling for 3-4h, adding polyvinyl alcohol for continuous ball milling for 1-2h, wherein the adding amount of the polyvinyl alcohol is 1% of the mass of the glass powder, and obtaining glass slurry;
step two: adding glass slurry into a feeding hopper (116) of spray granulation equipment, storing the glass slurry in an inner cavity of a slurry box (108), starting a driving motor (117), driving a stirring shaft (121) to rotate by the operation of the driving motor (117) through a driving gear (119) and a driven gear (120), and continuously stirring the glass slurry;
step three: starting a heater (103), releasing heat from the heater (103), starting a conveying fan (106), operating the conveying fan (106) to convey airflow into a filter box (104), filtering the airflow through a filter screen, then feeding the airflow into the heater (103), carrying heat to form high-temperature airflow and feeding the airflow into a spray granulation tower (102);
step four: starting a first liquid conveying pump (115), wherein the first liquid conveying pump (115) is operated to pump out the glass slurry from the slurry box (108) and spray the glass slurry from a material atomizing spray head (118) to form atomized slurry, and the atomized slurry moves along with high-temperature airflow, so that moisture in the atomized slurry is evaporated to form encapsulated granulated powder;
step five: starting an output fan (111), wherein the output fan (111) operates to generate negative pressure, the packaged granulated powder enters a separation tower (109) along with high-temperature airflow in a tangential direction, the packaged granulated powder forms an outward rotation and enters a material loading box (110) for storage, and the high-temperature airflow forms an inward rotation and is conveyed to a spray tower (112) through the output fan (111);
step six: and starting the second liquid conveying pump (122), wherein the second liquid conveying pump (122) operates to pump out the spray water in the water storage tank (113), the spray water is sprayed out through the spray water spray head (123), and the high-temperature air flow is cooled, purified and discharged from the air outlet pipe (114).
2. The spray granulation process for producing a low-temperature electronic packaging material according to claim 1, the spray granulation equipment comprises a mounting rack (101), a spray granulation tower (102), a heater (103), a filter box (104), a conveying fan (106), a separation tower (109), an output fan (111) and a spray tower (112), a heater (103) is installed at one end of the top of the mounting frame (101), one end of the heater (103) is connected to the top of one side of the spray granulation tower (102) in a tangential direction through a pipeline, the spray granulation tower (102) is arranged at one end of the top of the mounting frame (101) in a penetrating way, the other end of the heater (103) is communicated to one end of the filter box (104) through a pipeline, a filter screen is arranged in the inner cavity of the filter box (104), and the other end of the filter box (104) is communicated to the output end of the conveying fan (106);
the bottom of spray granulation tower (102) is installed and is gathered workbin (107), one side of gathering workbin (107) communicates to one side top of knockout tower (109) with tangential direction through the pipeline, knockout tower (109) run through the top intermediate position of installing in mounting bracket (101), the bottom of knockout tower (109) is installed and is carried workbin (110), the top of knockout tower (109) communicates to the input of output fan (111) through the pipeline, the output of output fan (111) communicates to one side bottom of spray column (112) through the pipeline, outlet duct (114) are installed at the top of spray column (112), spray column (112) run through and install the top other end at mounting bracket (101).
3. The spray granulation process for producing the low-temperature electronic packaging material as claimed in claim 2, wherein the filter box (104) is mounted on top of a mounting bracket (105), and the mounting bracket (105) is connected to one end of a mounting frame (101).
4. The spray granulation process for producing the low-temperature electronic packaging material according to claim 2, wherein the collection box (107) is installed at one end of the top of the slurry box (108), the other end of the top of the slurry box (108) is provided with a loading hopper (116), a first liquid conveying pump (115) is installed at the middle position of the top of the slurry box (108), the input end of the first liquid conveying pump (115) is communicated to the middle part of the inner cavity of the slurry box (108) through a pipeline, the output end of the first liquid conveying pump (115) is communicated to the material atomization nozzle (118) through a pipeline, the material atomization nozzle (118) is installed at the top of the inner cavity of the spray granulation tower (102).
5. The spray granulation process for producing the low-temperature electronic packaging material according to claim 2, wherein a driving motor (117) is installed at one end of the slurry box (108), a driving gear (119) is sleeved on an output shaft of the driving motor (117), two sides of the driving gear (119) are meshed with driven gears (120), the driven gears (120) are sleeved on one end of a stirring shaft (121), the stirring shaft (121) is rotatably installed in an inner cavity of the slurry box (108), and the two stirring shafts (121) are located on two sides of the inner cavity of the slurry box (108).
6. The spray granulation process for producing the low-temperature electronic packaging material as claimed in claim 2, wherein the spray tower (112) and the output fan (111) are both installed at one end of the top of the water storage tank (113), the other end of the top of the water storage tank (113) is installed with a second liquid conveying pump (122), the input end of the second liquid conveying pump (122) is communicated to the inner cavity of the water storage tank (113) through a pipeline, the output end of the second liquid conveying pump (122) is communicated to the spray water nozzle (123) through a pipeline, and the spray water nozzle (123) is installed in the inner cavity of the air outlet pipe (114).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814700A (en) * | 2022-12-16 | 2023-03-21 | 南京泽朗生物科技有限公司 | Fruit and vegetable powder spray granulation device |
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| CN101109062A (en) * | 2007-08-22 | 2008-01-23 | 北京航空航天大学 | Plasma spraying method for manufacturing hyperthermia sealing coating |
| CN104230313A (en) * | 2013-06-14 | 2014-12-24 | 上海好景新型陶瓷材料有限公司 | Preparation technology for aluminum oxide ceramic pelleting powder |
| CN112063960A (en) * | 2020-08-24 | 2020-12-11 | 电子科技大学 | Zirconium boride powder spray granulation method based on atmospheric plasma spraying |
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2022
- 2022-03-21 CN CN202210274272.5A patent/CN114588835A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109062A (en) * | 2007-08-22 | 2008-01-23 | 北京航空航天大学 | Plasma spraying method for manufacturing hyperthermia sealing coating |
| CN104230313A (en) * | 2013-06-14 | 2014-12-24 | 上海好景新型陶瓷材料有限公司 | Preparation technology for aluminum oxide ceramic pelleting powder |
| CN112063960A (en) * | 2020-08-24 | 2020-12-11 | 电子科技大学 | Zirconium boride powder spray granulation method based on atmospheric plasma spraying |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814700A (en) * | 2022-12-16 | 2023-03-21 | 南京泽朗生物科技有限公司 | Fruit and vegetable powder spray granulation device |
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