CN209885948U - A fluid energy milling system for producing superfine talcum powder - Google Patents
A fluid energy milling system for producing superfine talcum powder Download PDFInfo
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- CN209885948U CN209885948U CN201920560488.1U CN201920560488U CN209885948U CN 209885948 U CN209885948 U CN 209885948U CN 201920560488 U CN201920560488 U CN 201920560488U CN 209885948 U CN209885948 U CN 209885948U
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Abstract
The utility model provides an air current crushing system for producing superfine talcum powder, including air compressor, main air-supply line, feeding tuber pipe, mix storehouse, feed hopper, grinding chamber, cyclone, dust remover, air compressor communicates main air-supply line, feeding tuber pipe respectively, and the main air-supply line other end communicates with grinding chamber, and the feeding tuber pipe is close to air compressor one end and is provided with automatically controlled butterfly valve, and feeding tuber pipe other end communicates mixes the storehouse, mixes the storehouse discharge gate and passes through automatically controlled butterfly valve intercommunication main air-supply line middle part. The materials are premixed by high-speed airflow of the air compressor in the mixing bin, then conveyed to the main air inlet pipe and converged with the airflow in the main air inlet pipe, and the mixed materials are impacted by the airflow in the main air inlet pipe again, so that the materials can be fully mixed with the airflow to improve the grinding efficiency. The utility model provides an air current crushing system for producing superfine talcum powder has the advantage that grinding effect is good, grinding efficiency is high, material feeding volume control is accurate.
Description
Technical Field
The utility model belongs to the technical field of the powder processing equipment, especially, relate to an air current grinding system for producing superfine talcum powder.
Background
The jet mill is one of the most commonly used ultrafine grinding devices, and is widely applied to ultrafine grinding of nonmetallic minerals, chemical raw materials and the like. How to grind materials obtains good effect, how to guarantee product quality, how to improve grinding efficiency, whether proper and how to quickly make materials and air flow fully mixed without the control of feeding amount, and therefore how to adopt a proper method to control feeding amount and quickly make materials and air flow fully mixed are two problems which need to be solved urgently by each large enterprise.
SUMMERY OF THE UTILITY MODEL
Based on the problems in the prior art, the utility model provides an airflow crushing system for producing superfine talcum powder, which comprises an air compressor, a main air inlet pipe, a feeding air pipe, a mixing bin, a feeding hopper, a grinding chamber, a cyclone separator and a dust remover, the air outlet of the air compressor is respectively communicated with the air inlet of a main air inlet pipe and the air inlet of a feeding air pipe, the other end of the main air inlet pipe is communicated with the feed inlet of the grinding chamber, a first electric control butterfly valve is arranged at one end of the feeding air pipe close to the air outlet of the air compressor, the other end of the feeding air pipe is communicated with the air inlet of the mixing bin, the discharge hole of the mixing bin is communicated with the middle part of the main air inlet pipe through a second electric control butterfly valve, the feeding hopper is arranged above the mixing bin and is communicated with the top of the mixing bin through a third electric control butterfly valve, and a discharge port at the top of the grinding chamber is communicated with a feed port of the cyclone separator, and an air outlet of the cyclone separator is communicated with an air inlet of the dust remover. The materials are premixed by high-speed airflow of the air compressor in the mixing bin, then conveyed to the main air inlet pipe and converged with the airflow in the main air inlet pipe, and the mixed materials are impacted by the airflow in the main air inlet pipe when being converged, so that the materials can be fully mixed with the airflow to improve the grinding efficiency. The utility model provides an air current crushing system for producing superfine talcum powder has the advantage that grinding effect is good, grinding efficiency is high, material feeding volume control is accurate.
The utility model discloses a following detailed technical scheme reaches the purpose:
an airflow crushing system for producing superfine talcum powder, which comprises an air compressor, a main air inlet pipe, a feeding air pipe, a mixing bin, a feeding hopper, a grinding chamber, a cyclone separator and a dust remover, the air outlet of the air compressor is respectively communicated with the air inlet of a main air inlet pipe and the air inlet of a feeding air pipe, the other end of the main air inlet pipe is communicated with the feed inlet of the grinding chamber, a first electric control butterfly valve is arranged at one end of the feeding air pipe close to the air outlet of the air compressor, the other end of the feeding air pipe is communicated with the air inlet of the mixing bin, the discharge hole of the mixing bin is communicated with the middle part of the main air inlet pipe through a second electric control butterfly valve, the feeding hopper is arranged above the mixing bin and is communicated with the top of the mixing bin through a third electric control butterfly valve, a discharge port at the top of the grinding chamber is communicated with a feed port of a cyclone separator, and an air outlet of the cyclone separator is communicated with an air inlet of a dust remover to form a mixing bin;
when the device works, materials are stored in the feeding hopper, the amount of the materials falling into the mixing bin from the feeding hopper is accurately controlled by controlling the opening degree and the opening time of the third electric control butterfly valve, and after the third electric control butterfly valve is closed, the first electric control butterfly valve and the second electric control butterfly valve are opened at the same time or the first electric control butterfly valve is opened in advance and then the second electric control butterfly valve is opened, so that high-speed airflow of the air compressor enters the mixing bin and impacts the materials in the mixing bin, and the materials and the high-speed airflow are fully premixed;
the premixed gas-solid mixed flow flows out from the discharge hole of the mixing bin to meet the high-speed airflow in the main air inlet pipe, the materials in the gas-solid mixed flow are further dispersed again under the impact of the high-speed airflow in the main air inlet pipe and are mixed with the high-speed airflow to form the gas-solid mixed flow with more uniform material mixing, the gas-solid mixed flow is conveyed into the grinding chamber to be ground, and the ground finished product is separated from the airflow through a cyclone separator and a dust remover and is collected.
The mixing bin is internally in an inverted circular truncated cone shape, the air outlet of the feeding air pipe is communicated with the air inlet at the bottom of the mixing bin and is tangent to the lower side wall inside the mixing bin, the discharge hole of the mixing bin is formed in the side wall at the top of the mixing bin and is communicated with the middle of the main air inlet pipe through a discharge pipeline, the discharge pipeline is tangent to the upper side wall inside the mixing bin, and the second electric control butterfly valve is arranged on the discharge pipeline;
through mixing the inside inverse round platform form that sets up of storehouse, feeding tuber pipe air outlet set up to and mix storehouse bottom air intake intercommunication and with mix the inside lateral wall tangent of storehouse, when air compressor's high-speed air current got into mix the storehouse through the feeding tuber pipe inside, can be at the inside rotatory air current that forms of mixed storehouse, and drive the rotatory separation of material in the mixed storehouse, and can improve the dwell time of high-speed air current in mixing the storehouse, make the material quick, abundant mix with high-speed air current.
The inner side wall of the mixing bin is provided with a threaded guide thread groove in a downward and upward spiral mode, and the rotating direction of the guide thread groove is the same as the direction in which the feeding air pipe cuts into the inner lower side wall of the mixing bin;
the messy flow is reduced through the guide thread groove, the high-speed airflow can form stable rotary ascending airflow in the mixing bin, and the mixing efficiency and effect of the material and the high-speed airflow are improved.
Wherein the included angle between the discharge pipeline and the main air inlet pipe is more than 30 degrees;
the included angle of further restriction material pipeline and main air-supply line can guarantee that when premixed gas-solid mixed flow is met by the high-speed air current in mixing bin discharge gate outflow and the main air-supply line, the high-speed air current can further dispersed material to the impact of gas-solid mixed flow in the main air-supply line, makes the high-speed air current of material mix and forms the more even gas-solid mixed flow of material mixture, improves the effect and the efficiency of grinding.
The first electric control butterfly valve, the second electric control butterfly valve and the third electric control butterfly valve are all inflation butterfly valves with better air tightness, and the dust remover is a bag type dust remover.
Wherein, cyclone discharge gate department is provided with screening plant, avoids coarse grain to sneak into in the finished product through screening plant, influences finished product quality.
The utility model adopts the above technical scheme have grind effectual, the grinding efficiency is high, material feeding volume control is accurate advantage.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of a mixing bin structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of a cross-sectional structure of a mixing bin according to an embodiment of the present invention.
1. Air compressor, 2, main air-supply line, 3, feeding tuber pipe, 4, mix the storehouse, 5, direction thread groove, 6, ejection of compact pipeline, 7, feed hopper, 8, grind the room, 9, cyclone, 10, dust remover, 11, first automatically controlled butterfly valve, 12, the automatically controlled butterfly valve of second, 13, the automatically controlled butterfly valve of third, 14, screening plant.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in the attached drawing, an airflow crushing system for producing superfine talcum powder comprises an air compressor 1, a main air inlet pipe 2, a feeding air pipe 3, a mixing bin 4, a feeding funnel 7, a grinding chamber 8, a cyclone separator 9 and a dust remover 10, wherein an air outlet of the air compressor 1 is respectively communicated with an air inlet of the main air inlet pipe 2 and an air inlet of the feeding air pipe 3, the other end of the main air inlet pipe 2 is communicated with a feed inlet of the grinding chamber 8, one end of the feeding air pipe 3, which is close to the air outlet of the air compressor 1, is provided with a first electric control butterfly valve 11, the other end of the feeding air pipe 3 is communicated with an air inlet of the mixing bin 4, a discharge port of the mixing bin 4 is communicated with the middle part of the main air inlet pipe 2 through a second electric control butterfly valve 12, the feeding funnel 7 is arranged above the mixing bin 4 and is communicated with, the air outlet of the cyclone separator 9 is communicated with the air inlet of the dust remover 10 to form a mixing bin 4;
when the air compressor works, materials are stored in the feeding hopper 7, the amount of the materials falling into the mixing bin 4 from the feeding hopper 7 is accurately controlled by controlling the opening degree and the opening time of the third electric control butterfly valve 13, after the third electric control butterfly valve 13 is closed, the first electric control butterfly valve 11 and the second electric control butterfly valve 12 are simultaneously opened or the first electric control butterfly valve 11 is opened in advance and then the second electric control butterfly valve 12 is opened, so that high-speed air flow of the air compressor 1 enters the mixing bin 4 and impacts the materials in the mixing bin 4, and the materials and the high-speed air flow are fully premixed;
the premixed gas-solid mixed flow flows out from a discharge hole of the mixing bin 4 and meets the high-speed airflow in the main air inlet pipe 2, the materials in the gas-solid mixed flow are further dispersed again under the impact of the high-speed airflow in the main air inlet pipe 2 and are mixed with the high-speed airflow to form a gas-solid mixed flow with more uniform material mixing, the gas-solid mixed flow is conveyed into the grinding chamber 8 for grinding, and the ground finished product is separated from the airflow and collected through the cyclone separator 9 and the dust remover 10.
Preferably, the interior of the mixing bin 4 is in an inverted circular truncated cone shape, the air outlet of the feeding air pipe 3 is communicated with the air inlet at the bottom of the mixing bin 4 and is tangent to the lower side wall of the interior of the mixing bin 4, the discharge port of the mixing bin 4 is arranged on the side wall of the top of the mixing bin 4 and is communicated with the middle part of the main air inlet pipe 2 through a discharge pipeline 6, the discharge pipeline 6 is tangent to the upper side wall of the interior of the mixing bin 4, and the second electric control butterfly valve 12 is arranged on the discharge pipeline 6;
through mixing the inside truncated cone form that sets up of storehouse 4, the 3 air outlets of feeding tuber pipe set up to communicate and tangent with mixing the inside lower lateral wall in storehouse 4 with mixing storehouse 4 bottom air intakes, when air compressor 1's high-speed air current got into mixing storehouse 4 inside through feeding tuber pipe 3, can be at the inside rotatory air current that forms in mixing storehouse 4, and drive the rotatory separation of material in mixing storehouse 4, and can improve the dwell time of high-speed air current in mixing storehouse 4, make the material quick, abundant mix with high-speed air current.
Preferably, a threaded guide thread groove 5 is spirally arranged on the inner side wall of the mixing bin 4 from bottom to top, and the rotation direction of the guide thread groove 5 is the same as the direction in which the feeding air duct 3 cuts into the inner lower side wall of the mixing bin 4;
the guiding thread groove 5 reduces the turbulent flow, ensures that the high-speed airflow can form stable rotating ascending airflow in the mixing bin 4, and improves the mixing efficiency and effect of the material and the high-speed airflow.
Preferably, the included angle between the discharge pipeline 6 and the main air inlet pipe 2 is more than 30 degrees;
the included angle between the material pipeline and the main air inlet pipe 2 is further limited, so that when premixed gas-solid mixed flow flows out from the discharge hole of the mixing bin 4 and meets high-speed air flow in the main air inlet pipe 2, the impact of the high-speed air flow in the main air inlet pipe 2 on the gas-solid mixed flow can further disperse materials, the high-speed air flow of the materials is mixed to form the gas-solid mixed flow with more uniform material mixing, and the grinding effect and efficiency are improved.
Preferably, the first electric control butterfly valve 11, the second electric control butterfly valve 12 and the third electric control butterfly valve 13 are all inflation butterfly valves with better air tightness, and the dust remover 10 is a bag type dust remover 10.
Preferably, a screening device 14 is arranged at the discharge port of the cyclone separator 9, and coarse particles are prevented from being mixed into a finished product through the screening device 14, so that the quality of the finished product is prevented from being influenced.
The utility model discloses an foretell embodiment has that grinding effect is good, grinding efficiency is high, material feeding volume control is accurate advantage.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides an air current crushing system for producing superfine talcum powder, a serial communication port, including air compressor (1), main air-supply line (2), feeding tuber pipe (3), mix storehouse (4), feed hopper (7), grind room (8), cyclone (9), dust remover (10), air compressor (1) air outlet communicates main air-supply line (2) air intake, feeding tuber pipe (3) air intake respectively, main air-supply line (2) other end and grinding room (8) feed inlet intercommunication, feeding tuber pipe (3) are close to air compressor (1) air outlet one end and are provided with first automatically controlled butterfly valve (11), feeding tuber pipe (3) other end intercommunication mixes storehouse (4) air intake, mix storehouse (4) discharge gate and pass through second automatically controlled butterfly valve (12) intercommunication main air-supply line (2) middle part, feed hopper (7) set up and mix storehouse (4) top and through third automatically controlled butterfly valve (13) intercommunication (13) and mix storehouse (4) air intake 4) The top of the grinding chamber (8) is communicated with a feed inlet of a cyclone separator (9), and an air outlet of the cyclone separator (9) is communicated with an air inlet of a dust remover (10).
2. The jet milling system for producing superfine talc powder of claim 1, wherein the inside of said mixing bin (4) is rounded, the air outlet of said feeding air duct (3) is connected to the air inlet at the bottom of said mixing bin (4) and tangent to the lower side wall of the inside of said mixing bin (4), the outlet of said mixing bin (4) is arranged on the top side wall of said mixing bin (4) and connected to the middle of said main air inlet duct (2) through said outlet duct (6), said outlet duct (6) is tangent to the upper side wall of the inside of said mixing bin (4), and said second electrically controlled butterfly valve (12) is arranged on said outlet duct (6).
3. The jet milling system for producing superfine talc according to claim 2, wherein the inner side wall of mixing bin (4) is provided with a screw-shaped guiding thread groove (5) in a downward and upward spiral manner, and the rotating direction of guiding thread groove (5) is the same as the direction of feed air pipe (3) cutting into the inner lower side wall of mixing bin (4).
4. The jet milling system for producing superfine talc according to claim 2 or 3, wherein the angle between the discharge pipe (6) and the main air inlet pipe (2) is greater than 30 degrees.
5. The jet milling system for producing ultrafine talc according to claim 4, wherein the first electronically controlled butterfly valve (11), the second electronically controlled butterfly valve (12), and the third electronically controlled butterfly valve (13) are all pneumatic butterfly valves, and the dust collector (10) is a bag type dust collector (10).
6. Airflow crushing system for producing ultrafine talc according to claim 5, characterized in that screening device (14) is provided at the outlet of cyclone (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920560488.1U CN209885948U (en) | 2019-04-23 | 2019-04-23 | A fluid energy milling system for producing superfine talcum powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920560488.1U CN209885948U (en) | 2019-04-23 | 2019-04-23 | A fluid energy milling system for producing superfine talcum powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209885948U true CN209885948U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920560488.1U Active CN209885948U (en) | 2019-04-23 | 2019-04-23 | A fluid energy milling system for producing superfine talcum powder |
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| Country | Link |
|---|---|
| CN (1) | CN209885948U (en) |
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2019
- 2019-04-23 CN CN201920560488.1U patent/CN209885948U/en active Active
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