CN113694582A - Crystal silicon surface texturing additive and production preparation system thereof - Google Patents
Crystal silicon surface texturing additive and production preparation system thereof Download PDFInfo
- Publication number
- CN113694582A CN113694582A CN202111016509.1A CN202111016509A CN113694582A CN 113694582 A CN113694582 A CN 113694582A CN 202111016509 A CN202111016509 A CN 202111016509A CN 113694582 A CN113694582 A CN 113694582A
- Authority
- CN
- China
- Prior art keywords
- mixing
- pipe
- tank
- output
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 25
- 239000010703 silicon Substances 0.000 title claims abstract description 25
- 239000000654 additive Substances 0.000 title claims abstract description 24
- 230000000996 additive effect Effects 0.000 title claims abstract description 24
- 239000013078 crystal Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 60
- 229910021419 crystalline silicon Inorganic materials 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 149
- 238000003756 stirring Methods 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 30
- 238000005192 partition Methods 0.000 claims description 13
- 239000013589 supplement Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 69
- 239000003795 chemical substances by application Substances 0.000 abstract description 15
- 230000002311 subsequent effect Effects 0.000 abstract description 3
- 238000001802 infusion Methods 0.000 description 33
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000005507 spraying Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 210000002268 wool Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910021422 solar-grade silicon Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0236—Special surface textures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a crystal silicon surface texturing additive and a production preparation system thereof, relating to the technical field of reagent preparation equipment, and the key points of the technical scheme are as follows: including hybrid system, proportioning system and filtration system, filtration system is including crossing the jar, the inside of crossing the jar is provided with the filter core of tube-shape, it is fixed and sealed through the supporting seat at upper and lower both ends to cross the filter core, and the inside of crossing the filter core is provided with the output tube, the inboard of crossing the filter core is stretched into to the one end of output tube, and the other end upwards stretches out the jar of crossing. The preparation method can be used for stably preparing the texturing agent, and the flatness of the prepared agent is improved, so that the subsequent effect of texturing the surface of the crystalline silicon is improved.
Description
Technical Field
The invention relates to the technical field of reagent preparation equipment, in particular to a crystal silicon surface texturing additive production and preparation system.
Background
Texturing, a photovoltaic industry term, a process method for processing a solar-grade silicon wafer, and a process for producing a silicon solar cell, wherein a textured surface can be manufactured on the surface of the silicon wafer, and the effective textured surface structure can enable incident sunlight to be reflected and refracted on the surface of the silicon wafer for multiple times, change the advancing direction of the incident light in the silicon wafer, enable the stable irradiation of the surface of the silicon wafer and enable the sunlight to be collected more easily, and therefore, the collection efficiency of light energy is increased.
Partial texturing agent will produce sediment and impurity in the bottom of texturing agent after mixing preparation, then in to crystal silicon surface texturing processing procedure through this texturing agent, impurity will produce the condition of partial cover to the crystal silicon surface, forms impurity, also influences the surface texturing effect of crystal silicon.
Therefore, a new solution is needed to solve this problem.
Disclosure of Invention
The invention aims to solve the problems and provide a crystal silicon surface texturing additive production and preparation system which can stably filter a texturing agent and improve the clean and pure quality of a prepared reagent so as to improve the subsequent effect of texturing on the crystal silicon surface.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a crystal silicon surface system fine hair additive production preparation system, includes hybrid system, proportioning system and filtration system, filtration system is including filtering the jar, the inside of filtering the jar is provided with the filter core of tube-shape, filter core is fixed and is sealed through the supporting seat at upper and lower both ends, and the inside of filtering the core is provided with the output tube, the one end of output tube stretches into the inboard of filtering the core, and the other end upwards stretches out the filtration jar.
The filter is characterized in that a pressure balance cylinder coaxial with the filter element is fixed on the lower portion of a supporting seat on the lower portion, a balance through hole communicated with an inner cavity of the filter tank is formed in the lower portion of the pressure balance cylinder, a pressure piston is connected in the pressure balance cylinder in a sliding mode, an adjusting pipe is fixedly connected to the upper portion of the pressure piston, the upper end of the adjusting pipe penetrates through the supporting seat and extends into the output pipe, a first filter through hole is formed in the outer portion of the output pipe, a second filter through hole is formed in the outer portion of one end, extending into the output pipe, of the adjusting pipe, the first filter through hole and the second filter through hole are opposite in position, and a spring is elastically connected between the pressure piston and the upper end of the pressure balance cylinder.
The liquid replenishing device is further provided with a pressure relief pipe fixedly connected to the lower part of the filter tank, the upper end of the pressure relief pipe is closed and extends into the piston and the adjusting pipe, a plurality of pressure relief holes are formed in the periphery of the upper end of the pressure relief pipe, and the lower end of the pressure relief pipe extends out of the filter tank and is communicated with the liquid replenishing barrel; the pressure relief holes are respectively covered by the piston in a sleeved mode, and after the piston moves upwards, the pressure relief holes are opened to communicate the inner cavity of the filter tank with the pressure relief pipe.
The invention is further provided with a mixing tank arranged on the inner side wall of the filter tank, a mixing inlet communicated with the mixing tank is arranged on the side wall of the filter tank, mixing channels communicated with the inner cavity are respectively arranged at the upper part and the lower part of the mixing tank, and a mixing pump is arranged at the upper mixing channel.
The invention is further arranged in such a way that a mixing wheel is rotationally connected in the inner cavity of the mixing tank, a plurality of mixing through holes are arranged on the mixing wheel, a mixing motor is arranged on the outer side of the mixing tank, and a rotating shaft at the output end of the mixing motor extends into the mixing tank to be connected with the mixing wheel.
The invention is further arranged in a way that the mixing system comprises a mixing tank, the mixing tank is divided into an upper chamber and a lower chamber by a partition plate, an input port and an output port are arranged on the peripheral wall of the lower chamber, a plurality of mixing nozzles which are uniformly distributed in an array are arranged on the inner periphery of the upper chamber, and the mixing nozzles are eccentrically arranged.
The invention is further arranged in such a way that a mixing drum which is open up and down is arranged in the center of the upper chamber, a plurality of mixing through holes are arranged on the periphery of the mixing drum, the upper part of the mixing drum is connected with a coaxially fixed rotating pipe, the upper end of the rotating pipe is rotatably connected with the upper end of the mixing tank, extends out of the upper chamber and is driven by a rotary driving device.
The invention is further arranged in such a way that the partition board is of a conical structure with the middle part recessed downwards, the middle part of the partition board is provided with a sealing pipe communicated with the upper cavity and the lower cavity, a sealing plug used for plugging the sealing pipe is movably connected in the sealing pipe, the upper end of the sealing plug is fixedly connected with a connecting rod, and the upper end of the connecting rod extends out of the mixing tank and is driven by a telescopic rod to lift.
The invention is further arranged in such a way that a stirring motor is arranged at the bottom of the lower cavity, the upper end of the stirring motor is rotatably connected with a stirring rod, and the upper end of the stirring rod extends into the middle of the lower cavity and is provided with a stirring paddle.
The invention is further provided that a spray channel is arranged in the mixing nozzle, the rear end of the spray channel is connected with a nozzle input pipe, the front end of the spray channel is provided with a mixing section, the front end and the rear end of the mixing section are respectively provided with an output end and an input end, the length of the output end and the input end is far away from the expanding structure of the mixing section, and the periphery of the mixing section is connected with a first supplement pipe.
The invention is further provided that a necking pipe with two open ends is arranged at the axis position of the input end, a necking section is arranged in the middle of the necking pipe, the two outward ends of the necking section are gradually enlarged, and a supplement pipe II is connected to the periphery of the necking pipe.
The proportioning system further comprises a main infusion pipe and a branch infusion pipe, wherein a first infusion pump is arranged on the main infusion pipe, one end of the main infusion pipe is connected to an output port of the mixing tank, the other end of the main infusion pipe is connected with a connecting pipe through a three-way joint, a first electromagnetic valve is arranged on the connecting pipe, one end of the branch infusion pipe is communicated with the three-way joint, the other end of the branch infusion pipe is connected with a fluid infusion barrel, and a second infusion pump is arranged on the branch infusion pipe.
The invention is further arranged in that a plurality of groups of proportioning devices are arranged on the infusion main pipe, a plurality of Venturi tubes are arranged in the infusion main pipe, the inner diameter of each Venturi tube is of a structure with a small middle part and two ends expanding outwards, each proportioning device comprises the Venturi tube arranged in the infusion main pipe and a proportioning tube arranged at the upper part of the infusion main pipe, an input cavity at the upper part and an output cavity at the lower part are arranged in the proportioning tube, and the output cavities are communicated with the middle small-diameter position of the Venturi tube through the proportioning tubes.
The invention is further arranged in such a way that an adjusting slide way is arranged at the lower part of the input cavity, communicating pipes are connected to two sides of the lower part of the adjusting slide way, the other end of each communicating pipe is communicated with the upper part of the output cavity, a closed piston is connected in the adjusting slide way in a sliding manner, a support frame provided with a connecting hole is fixedly connected above the adjusting slide way, the support frame and the closed piston are elastically connected through a tension spring, the tension spring is used for maintaining the closed piston above the connecting position of the communicating pipes of the adjusting slide way, an electromagnet is arranged at the lower end of the adjusting slide way, and the electromagnet is used for magnetically adsorbing the closed piston to adsorb the closed piston below the connecting position of the communicating pipes of the adjusting slide way, so that the output cavity is communicated with the input cavity.
The invention is further provided that an inflatable air bag is arranged in the output cavity, the air bag is connected with an air pipe, and the air pipe extends out of the output cavity and is connected with an air pump.
The invention also discloses a crystal silicon surface texturing additive which is prepared by mixing the preparation system, and can improve the uniformity and purity of various reagents in the crystal silicon surface texturing additive.
In conclusion, the invention has the following beneficial effects:
the prepared reagent can be filtered through the filtering system, impurities and particulate matters existing in the prepared texturing agent are screened out, the clean and pure quality of the prepared reagent is improved, and the subsequent effect of texturing the surface of the crystalline silicon is improved; and through the circulation mix in the filtration system, can keep the homogeneous stability all the time in the filtration system, do benefit to holistic homogeneity in the middle of the reagent.
Drawings
FIG. 1 is a schematic structural diagram of a system for producing and preparing a texturing additive on a surface of a crystalline silicon according to the present invention;
FIG. 2 is a schematic diagram of the hybrid system of the present invention;
FIG. 3 is a schematic diagram of the distribution of mixing nozzles in the mixing system of the present invention;
FIG. 4 is a schematic view of the internal structure of the mixing nozzle of the present invention;
FIG. 5 is a schematic diagram of the proportioning system of the present invention;
FIG. 6 is a schematic diagram of a proportioning device of the proportioning system of the present invention;
FIG. 7 is a schematic diagram of the filter system of the present invention;
FIG. 8 is a schematic view showing the structure of a mixing tank formed in the side wall of a filtration tank according to the present invention;
FIG. 9 is a schematic view of the construction of a pressure equalization cylinder at the bottom of the filtration tank of the present invention;
fig. 10 is an enlarged view of a portion of fig. 9 according to the present invention.
Reference numerals: 1. a mixing system; 100. a mixing tank; 101. a partition plate; 102. an upper chamber; 103. a lower chamber; 104. a mixing nozzle; 105. a mixing drum; 106. a stirring through hole; 107. rotating the tube; 108. a rotation driving device; 109. a telescopic rod; 110. a connecting rod; 111. a sealing plug; 112. a sealing tube; 113. a stirring paddle; 114. a stirring motor; 115. a stirring rod; 116. an input port; 117. an output port; 2. a proportioning system; 201. a main infusion pipe; 202. a three-way joint; 203. a connecting pipe; 204. a transfusion branch pipe; 205. a first electromagnetic valve; 206. a proportioning device; 207. a first infusion pump; 208. a liquid replenishing barrel; 209. a second infusion pump; 210. a venturi tube; 211. a second electromagnetic valve; 212. a proportioning pipe; 213. a proportioning barrel; 214. an output cavity; 215. an input chamber; 216. adjusting the slide way; 217. a communicating pipe; 218. a support frame; 219. connecting holes; 220. a closed piston; 221. a tension spring; 222. an electromagnet; 223. an air bag; 224. an air tube; 3. a filtration system; 300. a filter tank; 301. a mixing tank; 302. a mixing inlet; 303. a filter element; 304. a supporting seat; 305. an output pipe; 306. a first filtering through hole; 307. a filtering groove; 308. a mixing channel; 309. a mixing pump; 310. a hybrid motor; 311. a rotating shaft; 312. a mixing wheel; 313. a mixing through hole; 314. a pressure balancing cylinder; 315. a balance through hole; 316. a pressure piston; 317. a spring; 318. an adjusting tube; 319. a second filtering through hole; 320. sealing sleeves; 321. a pressure relief pipe; 322. a pressure relief vent.
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.
Example one
The embodiment discloses a system for producing and preparing a texturing additive on a crystal silicon surface, and as shown in fig. 1, the system comprises a mixing system 1, a proportioning system 2 and a filtering system 3; the mixing system 1 can mix and stir most of the reagents in the texturing additive, and uniformly dissolve and mix powder materials adopted in the reagents through spraying; the proportioning system 2 can convey the mixed reagents, and can inject and gather the reagents which need to be supplemented and added into the texturing agent to carry out the proportioning of the reagents; and finally, filtering the wool making agent by a filtering system 3 to eliminate undissolved particulate matters and impurities mixed in the particles, and improving the purity of the wool making agent.
The mixing system 1 mainly comprises a mixing tank 100, as shown in fig. 2, the middle part of the mixing tank 100 is divided into an upper chamber 102 and a lower chamber 103 by a partition plate 101, the two chambers are separated from each other and are closed or opened by a middle controllable sealing plug 111; an input port 116 and an output port 117 are formed on the peripheral wall of the lower chamber 103, wherein the input port 116 is used for inputting materials, and the materials are mixed in the lower chamber 103 and then output from the output port 117. And a stirring motor 114 is arranged at the bottom of the lower chamber 103, the upper end of the stirring motor 114 is rotatably connected with a stirring rod 115, the upper end of the stirring rod 115 extends into the middle of the lower chamber 103, and a fixed stirring paddle 113 is arranged on the stirring rod 115, so that the reagent in the lower chamber 103 can be stirred and mixed through the stirring paddle 113, and the mixing treatment of the reagent is realized.
As shown in fig. 3, six mixing nozzles 104 are installed on the inner periphery of the upper chamber 102, and are distributed in an even array, each mixing nozzle 104 is arranged eccentrically, and the spraying end is slightly tilted towards the upper side; during the spraying process, an upward spiral motion state can be formed, the uniform contact between the sprayed substance and the reagent is improved, the upward motion is formed, and the downward motion is generated under the influence of gravity, so that a mixing circulation can be formed in the upper chamber 102, and the uniformity of substance mixing is improved.
The mixing nozzle 104 can spray various different materials, as shown in fig. 4, a spraying channel is formed in the mixing nozzle 104, a nozzle input pipe is connected to the rear end of the spraying channel, the front end of the spraying channel is a mixing section, an output end and an input end are respectively arranged in front of and behind the mixing section, the output end and the input end are long and far away from the mixing section, the periphery of the mixing section is connected with a first supplement pipe; when the fluid flows through the mixing section, the flow velocity is increased to form a Venturi effect, negative pressure is formed at the mixing section, the substances can be sucked through the supplement pipe and then sprayed out of the mixing nozzle 104, and during the mixing flow process, the positions in the fluid are further mixed, so that the uniformity of the sprayed substances is improved.
In order to improve the type and uniformity of the composite spray in the mixing nozzle 104, a reducing pipe with two open ends is arranged at the axial center position of the input end, the types of substances which can be mixed are increased through the reducing pipe, and the circulation in the pipeline can be fluctuated through the increase of the mixture, so that the uniformity of the spray is improved; the middle of the necking pipe is a necking section, two outward ends of the necking section are gradually enlarged, a second supplement pipe is connected to the periphery of the necking pipe, when the second supplement pipe flows through the necking section, the change of flow and flow speed is also generated, a Venturi effect is formed, reagents or powder in the second supplement pipe can be input from the middle of the necking pipe, then the reagents or powder can be mixed along with the flowing of the materials in the mixing nozzle 104, the materials can be mixed in advance before being sprayed, then the materials are uniformly output outwards, a uniform spraying effect is formed, and the uniformity of material mixing is improved. The liquid reagent can be directly sprayed into the nozzle input pipe, or nitrogen can be sprayed into the nozzle input pipe, and the medicine powder or the reagent in the first supplement pipe and the second supplement pipe are sucked into the nozzle input pipe, so that the spraying and mixing of the substances are realized.
A stirring cylinder 105 which is opened up and down is arranged in the center of the upper chamber 102, a plurality of stirring through holes 106 are arranged on the periphery of the stirring cylinder 105, the existence of the stirring cylinder 105 can guide materials in the upper chamber 102, so that reagent on the periphery of the stirring cylinder 105 can generate upward spiral upward flow, the ascending reagent enters the stirring cylinder 105 from the upper end of the stirring cylinder 105 to form downward flow, up-and-down circulating flow can be formed on the periphery of the stirring cylinder 105, and the mixing effect of the reagent in the upper chamber 102 can be improved; and a coaxially fixed rotary pipe 107 is connected to an upper portion of the agitating drum 105, and an upper end of the rotary pipe 107 is rotatably connected to an upper end of the mixing tank 100 to protrude from the upper chamber 102 and is driven by a rotary driving device 108, so that the agitating drum 105 can be brought into a state of rotary motion.
The partition plate 101 is in a tapered structure with a downward concave middle, and after the reagent downward flow in the middle of the stirring cylinder 105 collides with the tapered partition plate 101, the reagent downward flow is guided by the partition plate 101 to flow obliquely upward and downward to the outer side of the partition plate 101, and then the reagent upward flow on the outer periphery of the stirring cylinder 105 is smoother.
A sealing tube 112 communicating the upper chamber 102 and the lower chamber 103 is arranged in the middle of the partition plate 101, a sealing plug 111 is movably connected in the sealing tube 112, and the sealing plug 111 can be used for plugging the sealing tube 112; the upper end of the sealing plug 111 is fixedly connected with a connecting rod 110, and the upper end of the connecting rod 110 extends upwards out of the mixing tank 100 and penetrates through the mixing drum 105 and the rotating pipe 107; the telescopic rod 109 is installed at the upper end of the mixing tank 100, and the output end of the telescopic rod 109 is fixed with the connecting rod 110, so that the telescopic rod 109 can drive the lower sealing plug 111 to move up and down, the sealing plug 111 can be maintained to seal the sealing tube 112, the telescopic rod 109 can drive the sealing plug 111 to extend out of the sealing tube 112, the sealing tube 112 is opened, and the reagent uniformly mixed in the upper chamber 102 can flow down from the sealing tube 112 to the lower chamber 103 for further treatment.
Example two
This embodiment discloses a system for producing and preparing a texturing additive on a surface of a crystalline silicon, which is described with reference to fig. 5, 6, and 7, and the proportioning system 2 therein is described.
In the whole preparation system, the proportioning system 2 mainly plays a role in communicating the mixing system 1 and the filtering system 3, and specifically comprises a main infusion pipe 201, an infusion branch pipe 204 and a plurality of groups of proportioning devices 206; one end of the infusion main pipe 201 is connected to the output port 117 of the mixing tank 100, the other end of the infusion main pipe 201 is provided with a three-way joint 202, a connecting pipe 203 is connected through the three-way joint 202, and the connecting pipe 203 is connected with the filtering system 3, so that the mixing system 1 and the filtering system 3 are communicated; an infusion pump I207 is arranged on the infusion main pipe 201, so that a reagent mixed in the mixing system 1 can be output, one end of an infusion branch pipe 204 is communicated with the three-way joint 202, the other end of the infusion branch pipe is connected with a fluid infusion barrel 208, and an infusion pump II 209 is arranged on the infusion branch pipe 204; the first electromagnetic valve 205 is installed on the connecting pipe 203, so that the output state of the proportioning system 2 is controlled; the other end of the three-way joint 202 is connected with an output branch pipe, and the output branch pipe can convey reagents into the connecting pipe 203 and the filtering system 3 from the three-way joint 202 to realize auxiliary proportioning, so that the proportioned reagents can be supplemented and proportioned;
a plurality of groups of proportioning devices 206 are arranged on the infusion main pipe 201, different reagents can be input into different proportioning devices 206 according to different reagent proportions, and therefore the proportion of the wool making agent is realized; the output main pipe is internally provided with Venturi tubes 210 which correspond to the proportioning devices 206 one by one, and the inner diameters of the Venturi tubes 210 are of a structure with a small middle part and two ends expanding outwards; the proportioning device 206 includes a proportioning pipe 212 mounted on the upper portion of the infusion main pipe 201, and the proportioning pipe 212 communicates with the middle small-diameter section of the venturi tube 210, and can deliver the reagent to the venturi tube 210 through the proportioning pipe 212.
An upper input cavity 215 and a lower output cavity 214 are arranged in the proportioning barrel 213, and the lower output cavity 214 is communicated with the middle small-diameter position of the venturi tube 210 through a proportioning tube 212; the second electromagnetic valve 211 is mounted on the proportioning pipe 212, so that the on-off of the proportioning pipe 212 can be controlled.
An adjusting slide way 216 is arranged at the lower part of the input cavity 215, two sides of the lower part of the adjusting slide way 216 are connected with a communicating pipe 217, and the other end of the communicating pipe 217 is communicated with the upper part of the output cavity 214 so as to connect the input cavity 215 and the output cavity 214; a closed piston 220 is connected in the adjusting slide 216 in a sliding manner, and the on-off of the input cavity 215 and the output cavity 214 can be adjusted through the movement of the closed piston 220; a support frame 218 is fixedly connected above the adjusting slide way 216 to form a support structure, a connecting hole 219 is formed in the support frame 218, so that the reagent can flow in the input cavity 215 and the output cavity 214 conveniently, and the support frame 218 is elastically connected with the sealing piston 220 through a tension spring 221, so that the sealing piston 220 can be elastically maintained in the adjusting slide way 216, and the communicating pipes 217 on two sides of the adjusting slide way 216 are sealed; an electromagnet 222 is installed at the lower end of the adjusting slide way 216, the electromagnet 222 can magnetically attract the closed piston 220, and the closed piston 220 is attracted to the lower part of the joint of the communicating pipe 217 of the adjusting slide way 216, so that the closed piston 220 is driven, the connecting pipe 203 is opened, and the output cavity 214 is communicated with the input cavity 215.
In the conveying process, reagents to be proportioned are stored in the input cavity 215, the communication between the input cavity 215 and the output cavity 214 can be controlled by driving the closed piston 220, when proportioning is needed, the electromagnet 222 drives the closed piston 220 to open the communicating pipe 217, so that the reagents in the input cavity 215 flow into the output cavity 214, a certain amount of output proportioning of the reagents is realized, and then the reagents in the output cavity 214 are output to the infusion main pipe 201 through the adsorption benefit of the venturi tube 210; for the gas pressure equalization of the outlet chamber 214, a gas pressure equalization opening can be provided in the outlet chamber 214 and closed by a non-return valve, after which the exiting reagent is further mixed and filtered in the filter system 3.
In order to control the volume in the output chamber 214, an inflatable air bag 223 can be arranged in the output chamber 214, an air tube 224 is connected with the air bag 223, and the air tube 224 extends out of the output chamber 214 and is connected with an air pump; the volume of the air bag 223 can be controlled through the air pump, so that the space of the output cavity 214 is controlled, the volume of the output cavity 214 can be controlled through adjustment, the amount of the reagent entering the output cavity 214 at each time is controlled, and control and proportioning are facilitated.
EXAMPLE III
This embodiment discloses a system for producing and preparing a texturing additive on a surface of a crystalline silicon, which is described with reference to fig. 7-10, and a filtering system 3 therein is described.
In the whole preparation system, the filtering system 3 mainly plays a role in filtering the wool making agent and can mix and perfect the reagent in the filtering system 3 to a certain degree; the main body of the filtering system 3 is a filtering tank 300, the filtering tank 300 is in a cylindrical structure, and a cylindrical filtering core 303 is arranged in the filtering tank 300; two supporting seats 304 are arranged on the middle axis of the filter tank 300, the supporting seats 304 at the upper end and the lower end are pressed and fixed with the upper end and the lower end of the filter element 303, the inner side and the outer side of the filter element 303 are sealed, and a filtering cavity space is formed at the inner side and the outer side of the filter element 303; and the filtering is realized when the filter element 303 flows from the outer space to the inner space of the filter element 303, an output pipe 305 is arranged in the filter element 303, one end of the output pipe 305 extends into the inner side of the filter element 303, the other end of the output pipe extends upwards out of the filter tank 300, and then the filtered wool making agent at the inner side of the filter element 303 can be led out.
The reagent after the ratio is pumped from the connecting pipe 203 to the filtering system 3 through the pumping, the reagent in the filter tank 300 can be pushed into the inner side of the filter element 303 through the pressure generated by the pumping, then the reagent is output from the output pipe 305 in the filter element 303, the pressure outside the filter element 303 is controlled through the pressure detection sensor arranged outside the filter element 303, along with the blockage of the filter element 303, the pressure outside the filter element 303 is increased, the control of the blockage condition of the filter element 303 can be controlled by monitoring the pressure outside the filter element 303 through the through hole, and then the filter element 303 can be replaced.
Referring to fig. 9 and 10, a pressure balance cylinder 314 is fixed on the lower side of the lower support base 304, the lower end of the pressure balance cylinder 314 is connected with the filter tank 300, a balance through hole 315 communicating the inner cavity of the pressure balance cylinder 314 and the inner cavity of the filter tank 300 is arranged on the lower peripheral wall of the pressure balance cylinder 314, and the upper end of the pressure balance cylinder 314 is fixed with the support base 304; a pressure piston 316 is slidably connected in the pressure balance cylinder 314, the upper part of the pressure piston 316 is fixedly connected with an adjusting pipe 318, the upper end of the adjusting pipe 318 passes through the supporting seat 304 and extends into the output pipe 305, and the size of an output hole of the output pipe 305 can be adjusted;
the first filtering through holes 306 are uniformly distributed on the outer part of the output pipe 305, the second filtering through holes 319 are formed on the outer part of one end, extending into the output pipe 305, of the adjusting pipe 318, the first filtering through holes 306 are opposite to the second filtering through holes 319 in position, a spring 317 is elastically connected to the upper ends of the pressure piston 316 and the pressure balance cylinder 314, and the spring 317 can maintain the positions of the second filtering through holes 319 and the second filtering through holes 319 in a stable state, so that the output quantity of the output pipe 305 is controlled; after the pressure in the canister 300 increases, the pressure on the upper and lower sides of the pressure piston 316 will change to a certain extent, so that the pressure drives the pressure piston 316 to rise, and the rising of the adjusting pipe 318 can be controlled, thereby controlling the output quantity of the output pipe 305; in order to maintain the adjustment stability of the output pipe 305, the outer circumference of the adjusting pipe 318 and the inner diameter of the output pipe 305 are adapted and sealed, so that after the adjusting pipe 318 rises, the positions of the first filtering through hole 306 and the second filtering through hole 319 are staggered, the output pipe 305 is sealed, the filtering can be stopped, and the situation that the prepared texturing agent is mixed due to output of a reagent under the condition of poor filtering is avoided.
Because the filter element 303 in the filter tank 300 is blocked along with the filtration, and the output of the filter pipe is closed after the filter element 303 is blocked too severely, the stability of the output tank is further improved, the stability after the filtration output is interrupted is avoided, and the burst caused by overlarge pressure is avoided;
a pressure relief pipe 321 can be fixedly connected to the lower part of the filter canister 300, the upper end of the pressure relief pipe 321 is closed and extends into the piston and the adjusting pipe 318, a plurality of pressure relief holes 322 are formed in the periphery of the upper end of the pressure relief pipe 321, and the pressure relief holes 322 can be closed and blocked by the piston; when the pressure in the filter tank 300 is lower, the pressure piston 316 is in a lower state, the second filter through hole 319 on the adjusting pipe 318 is opposite to the filter through hole on the output pipe 305, the filter pipe can be kept in an open state for filtering and outputting the reagent, and the pressure relief hole 322 is blocked by the piston; along with the blockage of the filter element 303, the pressure in the filter tank 300 rises, the pressure pushes the pressure piston 316 to rise, the first filter through hole 306 and the second filter through hole 319 are sealed, the filter pipe is sealed to stop filtering and conveying, and at the moment, the pressure relief hole 322 is still sealed and blocked by the piston; as the pumping and pressurizing operation in the canister 300 is continued, the pressure in the canister 300 will further increase, pushing the piston to further rise, the piston will slide above the pressure release hole 322, and the pressure release hole 322 will be opened, so that the reagent can be discharged from the pressure release pipe 321 for pressure release.
The lower end of the pressure relief pipe 321 extends out of the filter tank 300 and is communicated with the liquid supplementing barrel 208 in the proportioning system 2, so that reagents removed in the pressure relief process can be input into the liquid supplementing barrel 208, the removed stable reagents are temporarily stored, and the reagents can be supplemented.
In order to improve the filtering effect in the filter canister 300, as shown in fig. 8, a mixing tank 301 may be installed on the inner side wall of the filter canister 300, a mixing inlet 302 communicated with the mixing tank 301 is opened on the side wall of the filter canister 300, a connection pipe 203 in the proportioning system 2 is connected to the mixing inlet 302, the reagent output from the proportioning system 2 is input into the mixing tank 301 for mixing, and the uniformity of the reagent in the entire filter canister 300 is maintained;
the upper part and the lower part of the mixing tank 301 are both provided with mixing channels 308 communicated with the inner cavity, and a mixing pump 309 is arranged at the upper part of the mixing channel 308; the reagent in the mixing tank 301 is discharged and sucked by the mixing pump 309, and the reagent in the canister 300 is mixed; the mixing tank 301 can mix the reagents input from the connecting pipe 203, the inner cavity of the mixing tank 301 is rotatably connected with a mixing wheel 312, the outer side of the mixing tank 301 is provided with a mixing motor 310, a rotating shaft 311 at the output end of the mixing motor 310 extends into the mixing tank 301 to be connected with the mixing wheel 312 and can drive the mixing wheel 312 to rotate, the reagents input into the mixing tank 301 can be driven to stir and mix through the rotation of the mixing wheel 312, and the mixing stability of the reagents input into the mixing tank 301 and the filter tank 300 is improved; in order to improve the mixing effect, a plurality of mixing through holes 313 may be formed in the mixing wheel 312, so that the mixing wheel 312 is driven to mix inside and outside and in multiple directions during the rotation process of the mixing wheel 312, thereby ensuring the stability and uniformity of the reagents in the filter tank 300.
Example four
The embodiment discloses a crystal silicon surface texturing additive which is prepared by adopting the preparation system in the embodiment; the method comprises the following steps of continuously spraying and mixing powder substances in a wool making agent from a mixing nozzle 104, conveying the powder substances in a matching manner with a reagent or gas, and driving the substance and the reagent in an upper chamber 102 to be mixed and stirred by the rotation of a mixing cylinder; after the mixing is finished, opening the mixing sealing plug 111, inputting the reagent in the upper chamber 102 into the lower chamber 103, inputting the reagent by matching with the input port 116, mixing the two to form a primary wool making reagent, and uniformly mixing the wool making reagent by the stirring paddle 113; then the mixture is conveyed to the filter tank 300 through the main infusion pipe 201, and a small amount of reagent required to be added is injected in a proportioning manner through the proportioning device 206; the proportioned reagent is input into the filter tank 300 and is filtered by the filter element 303, the filtered reagent is output from the output pipe 305 to be filtered, the reagent in the filter tank 300 can be always kept in circulating flow through the mixing tank 301 in the filter tank 300, the flow of the reagent in the filter tank 300 is maintained, and the stability of the filtered and output reagent is improved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a crystal silicon surface additive production preparation system that felts, its characterized in that, includes hybrid system (1), proportioning system (2) and filtration system (3), filtration system (3) are including filtering jar (300), the inside of filtering jar (300) is provided with the filter core (303) of tube-shape, filter core (303) are fixed and are sealed through supporting seat (304) at upper and lower both ends, and the inside of filtering core (303) is provided with output tube (305), the one end of output tube (305) stretches into the inboard of filtering core (303), and the other end upwards stretches out and filters jar (300).
2. The system for producing and preparing the silicon crystal surface texturing additive according to claim 1, wherein a pressure balance cylinder (314) coaxial with the filter element (303) is fixed at the lower part of a support seat (304) at the lower part, a balance through hole (315) communicated with the inner cavity of the filter tank (300) is arranged at the lower part of the pressure balance cylinder (314), a pressure piston (316) is connected in the pressure balance cylinder (314) in a sliding way, an adjusting pipe (318) is fixedly connected at the upper part of the pressure piston (316), the upper end of the adjusting pipe (318) penetrates through the support seat (304) and extends into an output pipe (305), a first filter through hole (306) is arranged on the outer part of the output pipe (305), a second filter through hole (319) is arranged on the outer part of one end of the adjusting pipe (318) extending into the output pipe (305), and the first filter through hole (306) and the second filter through hole (319) are opposite in position, the pressure piston (316) and the upper end of the pressure balance cylinder (314) are elastically connected with a spring (317).
3. The system for producing and preparing the texturing additive on the surface of the crystalline silicon according to claim 2, wherein a pressure relief pipe (321) is fixedly connected to the lower part of the filter tank (300), the upper end of the pressure relief pipe (321) is closed and extends into the piston and the interior of the adjusting pipe (318), a plurality of pressure relief holes (322) are formed in the periphery of the upper end of the pressure relief pipe (321), and the lower end of the pressure relief pipe (321) extends out of the filter tank (300) and is communicated with the liquid replenishing barrel (208); the pressure relief hole (322) is covered by the piston in a sleeved mode, and the pressure relief hole (322) is opened to communicate with the inner cavity of the filter tank (300) and the pressure relief pipe (321) after the piston moves upwards.
4. The system for producing and preparing the texturing additive on the surface of crystalline silicon according to claim 3, wherein a mixing tank (301) is arranged on the inner side wall of the filtering tank (300), a mixing inlet (302) communicated with the mixing tank (301) is formed on the side wall of the filtering tank (300), mixing channels (308) communicated with the inner cavity are formed in the upper and lower parts of the mixing tank (301), and a mixing pump (309) is arranged at the upper mixing channel (308).
5. The system for producing and preparing the crystal silicon surface texturing additive according to claim 4, wherein a mixing wheel (312) is rotationally connected in an inner cavity of the mixing tank (301), a plurality of mixing through holes (313) are formed in the mixing wheel (312), a mixing motor (310) is arranged on the outer side of the mixing tank (301), and a rotating shaft (311) at the output end of the mixing motor (310) extends into the mixing tank (301) and is connected with the mixing wheel (312).
6. The system for producing and preparing the texturing additive on the surface of crystalline silicon according to claim 1, wherein the mixing system (1) comprises a mixing tank (100), the mixing tank (100) is internally divided into an upper chamber (102) and a lower chamber (103) by a partition plate (101), an input port (116) and an output port (117) are arranged on the peripheral wall of the lower chamber (103), a plurality of mixing nozzles (104) which are uniformly distributed in an array are arranged on the inner periphery of the upper chamber (102), and the mixing nozzles (104) are eccentrically arranged.
7. The system for producing and preparing the silicon crystal surface texturing additive according to claim 6, wherein a stirring cylinder (105) which is open at the upper part and the lower part is arranged at the center in the upper chamber (102), a plurality of stirring through holes (106) are arranged at the periphery of the stirring cylinder (105), a coaxially fixed rotating pipe (107) is connected to the upper part of the stirring cylinder (105), the upper end of the rotating pipe (107) is rotatably connected to the upper end of the mixing tank (100), extends out of the upper chamber (102) and is driven by a rotating driving device (108).
8. The crystal silicon surface texturing additive production and preparation system of claim 7, wherein the partition plate (101) is of a conical structure with a downward concave middle part, a sealing tube (112) communicated with the upper chamber (102) and the lower chamber (103) is arranged in the middle of the partition plate (101), a sealing plug (111) used for plugging the sealing tube (112) is movably connected in the sealing tube (112), the upper end of the sealing plug (111) is fixedly connected with a connecting rod (110), and the upper end of the connecting rod (110) extends out of the mixing tank (100) and is driven to ascend and descend through a telescopic rod (109).
9. The system for producing and preparing the silicon crystal surface texturing additive as claimed in claim 6, wherein a spray channel is arranged in the mixing nozzle (104), the rear end of the spray channel is connected with a nozzle input pipe, the front end of the spray channel is provided with a mixing section, the front end and the rear end of the mixing section are respectively an output end and an input end, the length of the output end and the length of the input end are towards the expanding structure far away from the mixing section, and the periphery of the mixing section is connected with a first supplement pipe; the axial center position of the input end is provided with a necking pipe with two open ends, the middle of the necking pipe is a necking section, the two outward ends of the necking section are gradually enlarged, and the periphery of the necking pipe is connected with a second supplement pipe.
10. A silicon-crystal surface texturing additive, characterized by being prepared by mixing in a preparation system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111016509.1A CN113694582B (en) | 2021-08-31 | 2021-08-31 | Crystalline silicon surface texturing additive production and preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111016509.1A CN113694582B (en) | 2021-08-31 | 2021-08-31 | Crystalline silicon surface texturing additive production and preparation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113694582A true CN113694582A (en) | 2021-11-26 |
| CN113694582B CN113694582B (en) | 2022-04-15 |
Family
ID=78658348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111016509.1A Active CN113694582B (en) | 2021-08-31 | 2021-08-31 | Crystalline silicon surface texturing additive production and preparation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113694582B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242339A (en) * | 2021-12-24 | 2022-03-25 | 西南科技大学 | Nano silver wire preparation device and preparation method of front silver paste for solar cell |
| CN116444060A (en) * | 2023-03-09 | 2023-07-18 | 湖北省协诚交通环保有限公司 | Phosphogypsum percolate recycling treatment and utilization method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437329A (en) * | 2014-12-11 | 2015-03-25 | 重庆欣欣向荣精细化工有限公司 | Compound kettle type reactor |
| CN205559908U (en) * | 2016-05-10 | 2016-09-07 | 艾欧史密斯(中国)热水器有限公司 | Decompression filter equipment |
| CN209752783U (en) * | 2019-03-04 | 2019-12-10 | 山东工业职业学院 | Chemical raw material mixer |
| CN111054115A (en) * | 2019-12-12 | 2020-04-24 | 广州江水清智能科技有限公司 | Self-cleaning piston type filter and filtering system |
| CN212680248U (en) * | 2020-06-02 | 2021-03-12 | 深圳安吉尔饮水产业集团有限公司 | Pre-filter and clean drink equipment |
| CN212998835U (en) * | 2020-07-14 | 2021-04-20 | 山东沃伦生物科技股份有限公司 | Purifier is used in processing of enzymolysis lignin |
-
2021
- 2021-08-31 CN CN202111016509.1A patent/CN113694582B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437329A (en) * | 2014-12-11 | 2015-03-25 | 重庆欣欣向荣精细化工有限公司 | Compound kettle type reactor |
| CN205559908U (en) * | 2016-05-10 | 2016-09-07 | 艾欧史密斯(中国)热水器有限公司 | Decompression filter equipment |
| CN209752783U (en) * | 2019-03-04 | 2019-12-10 | 山东工业职业学院 | Chemical raw material mixer |
| CN111054115A (en) * | 2019-12-12 | 2020-04-24 | 广州江水清智能科技有限公司 | Self-cleaning piston type filter and filtering system |
| CN212680248U (en) * | 2020-06-02 | 2021-03-12 | 深圳安吉尔饮水产业集团有限公司 | Pre-filter and clean drink equipment |
| CN212998835U (en) * | 2020-07-14 | 2021-04-20 | 山东沃伦生物科技股份有限公司 | Purifier is used in processing of enzymolysis lignin |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242339A (en) * | 2021-12-24 | 2022-03-25 | 西南科技大学 | Nano silver wire preparation device and preparation method of front silver paste for solar cell |
| CN114242339B (en) * | 2021-12-24 | 2023-09-22 | 西南科技大学 | Device and method for preparing nano silver wire of front silver paste for solar cell |
| CN116444060A (en) * | 2023-03-09 | 2023-07-18 | 湖北省协诚交通环保有限公司 | Phosphogypsum percolate recycling treatment and utilization method |
| CN116444060B (en) * | 2023-03-09 | 2024-03-19 | 湖北省协诚交通环保有限公司 | Phosphogypsum percolate recycling treatment and utilization method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113694582B (en) | 2022-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113694582B (en) | Crystalline silicon surface texturing additive production and preparation system | |
| CN114308842B (en) | Automatic cleaning tank for semiconductor wafer tank type cleaning machine | |
| CN209010138U (en) | A kind of quantitative filling system of canning line | |
| CN107337285A (en) | Equipment for increasing oxygen content of water | |
| CN106984206A (en) | A kind of large-scale storage tank and mixed method carried from mixed function | |
| CN201586483U (en) | Novel rotary membrane separation device | |
| CN203389387U (en) | Active sand filter | |
| CN113634142B (en) | Production device and production process of crystal silicon surface texturing agent | |
| CN103111209B (en) | Automatic powder material feeding method and device | |
| CN206138836U (en) | Hybrid processing device that combined material system filtration membrane used | |
| CN112246096A (en) | Silicon oil on-line recovery process applied to two-phase distribution bioreactor | |
| CN204737736U (en) | Carbonization reaction unit of nano calcium carbonate production | |
| CN204251524U (en) | The dynamic defoaming device of a kind of coated feed liquid | |
| CN115069673B (en) | Process strengthening system for semiconductor tank type cleaning equipment | |
| CN216260086U (en) | Stirring device for texturing additive | |
| CN206391943U (en) | A kind of device allocated for perfume | |
| CN206199263U (en) | A kind of reaction unit for producing aqueous adhesive | |
| CN108245930A (en) | A kind of gas helps adsorption separating method and device | |
| CN216125281U (en) | Raw material processing device for crystalline silicon wafer surface texturing agent | |
| CN211235833U (en) | Water quality detection device | |
| CN110270274B (en) | Movable device for rapidly preparing modified material loaded with micro-nano oxygen bubbles | |
| CN201157760Y (en) | Powder-liquid mixer | |
| CN103341324A (en) | Cleaning method and cleaning system of tubular membrane | |
| CN112547229A (en) | Coating grinds blendor | |
| CN216149519U (en) | Mixing device for texturing additive on surface of crystal silicon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 312000 workshop 13-1, building 8, 22 Sanjiang East Road, Doumen street, Yuecheng District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Tuobang new energy Co.,Ltd. Address before: 312000 workshop 13-1, building 8, 22 Sanjiang East Road, Doumen street, Yuecheng District, Shaoxing City, Zhejiang Province Applicant before: SHAOXING TUOBANG ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |