CN202666960U - Screened material returning grinding device - Google Patents

Screened material returning grinding device Download PDF

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Publication number
CN202666960U
CN202666960U CN 201220349495 CN201220349495U CN202666960U CN 202666960 U CN202666960 U CN 202666960U CN 201220349495 CN201220349495 CN 201220349495 CN 201220349495 U CN201220349495 U CN 201220349495U CN 202666960 U CN202666960 U CN 202666960U
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CN
China
Prior art keywords
screening
mill
flour mill
salt cooler
outlet
Prior art date
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Expired - Lifetime
Application number
CN 201220349495
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Chinese (zh)
Inventor
李卫良
彭勇
张旭
邹浪
张志斌
宁朝晖
邢立江
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China Petroleum and Chemical Corp
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China Petroleum and Chemical Corp
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Priority to CN 201220349495 priority Critical patent/CN202666960U/en
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Publication of CN202666960U publication Critical patent/CN202666960U/en
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Abstract

The utility model discloses a screened material return grinding device which comprises a pulverizer, a salt cooler and a fan. The pulverizer comprises a granule inlet, a granule outlet and a material return port. The material return port of the pulverizer is connected with the salt cooler. The granule outlet of the pulverizer is connected with a screening machine through a gas-solid separator. The gas-solid separator is connected with the screening machine through a star-shaped charging valve. The gas-solid separator is connected with the fan through a filter. The fan is connected with the salt cooler. The screening machine comprises a finished material outlet and a rough material discharge outlet. The rough material discharge outlet is connected with the material return port of the pulverizer. The screened material return grinding device greatly improves production capacity of the pulverizer and product quality, enhances stability and reliability of a styrene ethylene butylenes styrene (SEBS) postprocessing pulverizing system, is suitable of powders of SEBS, and optimizes systematic process of the pulverizer.

Description

The mill milling device is returned in a kind of screening
Technical field
The utility model relates to a kind of screening and returns the mill milling device.
Background technology
Traditional abrasive dust technology comprises vertical mill, Raymond mill, Ball Mill, pulverising mill etc. is revolved in punching, and the technique basic ideas are to reach volatile matter qualified micelle enters flour mill, carry by circulating current, utilize collector to collect, through the qualified product of vibrosieve equipment screening.In rubber industry, be fit to select vertical mill, Raymond mill and Ball Mill technology, though Raymond mill and Ball Mill abrasive dust precision in rubber industry is high, but yield poorly, be not suitable for large-scale industrial production, domestic vertical mill powder equipment is suitable to be applied in the mining industry such as the larger grinding coal dust of quality of material, grain slag, slag, electrolysis stone, talcum, kaolin, manganese ore, rock phosphate in powder, land plaster, zircon sand, metallic silicon, and still belongs to blank on SEBS milling apparatus field.
And adopt primitive apparatus that SEBS is carried out lap following three class problems are arranged, first kind situation be the powder particle thin (with go together contrast, surpassed user's demand, cause mass excess, cause the flour mill production capacity not high; The Equations of The Second Kind situation is sneaked into powder for the pellet that part does not grind, and causes the product thickness uneven, affects product quality; The 3rd class situation is that to be prone to the irregular product surface of plasticizing behind the SEBS in the process coarse, and therefore phenomenon such as plasticizing contaminating impurity etc. for the grinding of SEBS, must optimize scratch system technique, satisfies the flour mill instructions for use, improves the flour mill production capacity.
The utility model content
The technical problems to be solved in the utility model provides a kind of flour mill production capacity that significantly improved, promoted product quality, strengthen the stability of SEBS post processing scratch system and the screening of reliability and returned the mill milling device, be applicable to the powder of SEBS, optimized grinding machine system technique.
The mill milling device is returned in a kind of screening, comprise flour mill, salt cooler and blower fan, described flour mill comprises the pellet import, pellet outlet and feedback outlet, the feedback outlet of described flour mill is connected with described salt cooler, described flour mill pellet outlet is connected with screening machine by gas-solid separator, described gas-solid separator is connected with screening machine by charging valve, described gas-solid separator is connected with described blower fan by filter, described blower fan is connected with described salt cooler, described screening machine comprises finished product material outlet and coarse fodder discharging opening, and described coarse fodder discharging opening is connected with the feedback outlet of described flour mill.
In the utility model, the coarse fodder discharging opening of described screening machine is connected with the feedback outlet of described flour mill by injector.
In the utility model, also be connected with the screening revert system on the described injector on the described coarse fodder discharging opening, described screening revert system comprises screening salt cooler, screening returning charge blower fan and screening filter, described screening filter, screening returning charge blower fan and be connected the salt cooler and connect successively after, described screening salt cooler is connected with described injector again.
In the utility model, described salt cooler is connected with described flour mill by three pipelines, after being connected with described coarse fodder discharging opening, a pipeline is connected with described flour mill feedback outlet, another root pipeline is connected with abrasive dust chamber, described flour mill side, and the 3rd pipeline links to each other with the described pellet outlet in described flour mill bottom.
In the utility model, described salt cooler entrance is equipped with by blower fan wind is evenly distributed in ventilation terminal on the whole heat exchanger fin of described salt cooler.
In the utility model, the heat exchanger fin of described salt cooler is the copper tubulation, and on the described copper tubulation integral fins is installed.
In the utility model, described blower fan is that air quantity is 14000~18000m 3The blower fan of/h.
In the utility model, described filter is box filter.
Owing to adopt such scheme, the utlity model has following advantage:
1, by flour mill and screening plant are combined, can will turn back to flour mill from the larger substandard product of flour mill particle out by screening plant and continue to mill, until reach design standard, promote like this product quality.
2, filter is box filter, and the box filter filtering surface is 1000*8000, and filter screen is 80 orders, and filter area is original 6.4 times, reduces the scratch system resistance, has improved system wind pressure, improves the flour mill production capacity.
3, at salt cooler entrance ventilation terminal is installed and by blower fan wind is evenly distributed on the whole heat exchanger fin, increased the effective heat exchange area of salt cooler.It is tubulation that the salt cooler is selected copper pipe in material, and at copper pipe integral fins is installed, and has improved salt cooler thermal conductivity factor, has strengthened the cooling effect of heat exchanger tube.
4, blower fan employing air quantity is 14000~18000m 3/ h, blast is 1100Pa, has reached the instructions for use of flour mill.
5, optimized and revised flour mill three pipes, by the three-way connection (pipe) road flour mill of blowing, one enters in the flour mill from the wind wheel of flour mill after mixing with pellet blower fan by the salt cooler; Another supporting root enters from the flour mill side, with cooling flour mill wind wheel; The 3rd links to each other with the outlet of flour mill bottom pellet, and it act as the conveying powder.
Description of drawings
Fig. 1 is structural representation of the present utility model;
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1: the mill milling device is returned in a kind of screening, comprise flour mill 1, salt cooler 11 and blower fan 10, described blower fan 10 is centrifugal blower, described flour mill 1 comprises pellet import 13, pellet outlet and feedback outlet, the feedback outlet of described flour mill 1 is connected with described salt cooler 11, described flour mill 1 pellet outlet is connected with screening machine 6 by gas-solid separator 8, described gas-solid separator 8 is connected with screening machine 6 by charging valve 7, described charging valve 7 is star-like charging valve, described gas-solid separator 8 is connected with described centrifugal blower 10 by filter 9, and described filter 9 is box filter, and filtering surface is 1000*8000, filter screen is 80 orders, filter area is original 6.4 times, reduces the scratch system resistance, has improved system wind pressure, improve the flour mill production capacity, described centrifugal blower 10 is 14000~18000m for air quantity 3The centrifugal blower of/h, described centrifugal blower 10 is connected with described salt cooler 11, described salt cooler 11 entrances are equipped with by centrifugal blower 10 wind are evenly distributed in ventilation terminal 12 on the described salt cooler 11 whole heat exchanger fins, described screening machine 6 comprises finished product material outlet 14 and coarse fodder discharging opening, described coarse fodder discharging opening is connected with the feedback outlet of described flour mill 1, described finished product material outlet 14 is connected with feed bin, the coarse fodder discharging opening of described screening machine 6 is connected with the feedback outlet of described flour mill 1 by injector 5, also be connected with the screening revert system on the described injector 5 on the described coarse fodder discharging opening, described screening revert system comprises screening salt cooler 4, the anti-material of screening blower fan 3 and screening filter 2, described screening filter 2, the anti-material of screening blower fan 3 be connected salt cooler 4 and connect successively after, described screening salt cooler 4 is connected with described injector 5 again, described salt cooler 11 is connected with described flour mill by three pipelines, after being connected with described coarse fodder discharging opening, a pipeline is connected with described flour mill feedback outlet, another root pipeline is connected with abrasive dust chamber, described flour mill side, the 3rd pipeline links to each other with the described pellet outlet in described flour mill bottom, the heat exchanger fin of described salt cooler 11 is the copper tubulation, and on the described copper tubulation integral fins is installed.
As shown in Figure 1, the technological process of this device is: micelle is delivered to flour mill and carries out abrasive dust, salt cooler 11 is installed in centrifugal blower 10 outlets, the rubber powder of carrying flour mill to grind after the wind cooling, delivering to gas-solid separator 8 separates, gas returns centrifugal blower 10 by box filter 9, powder utilizes screw rod conveyor to carry, star charging valve 7 is evenly reinforced, after screening machine 6 screenings, qualified product is packed through feed bin, and larger particles is delivered to flour mill through the anti-material of returning charge flow process utilization screening blower fan 3 through injector 5 and again grinds the whole system closed circulation.

Claims (8)

1. one kind is sieved back the mill milling device, comprise flour mill, salt cooler and blower fan, it is characterized in that: described flour mill comprises the pellet import, pellet outlet and feedback outlet, the feedback outlet of described flour mill is connected with described salt cooler, described flour mill pellet outlet is connected with screening machine by gas-solid separator, described gas-solid separator is connected with screening machine by charging valve, described gas-solid separator is connected with described blower fan by filter, described blower fan is connected with described salt cooler, described screening machine comprises finished product material outlet and coarse fodder discharging opening, and described coarse fodder discharging opening is connected with the feedback outlet of described flour mill.
2. the mill milling device is returned in screening according to claim 1, it is characterized in that: the coarse fodder discharging opening of described screening machine is connected with the feedback outlet of described flour mill by injector.
3. the mill milling device is returned in screening according to claim 2, it is characterized in that: also be connected with the screening revert system on the described injector on the described coarse fodder discharging opening, described screening revert system comprises screening salt cooler, screening anti-material blower fan and screening filter, after described screening filter, screening instead expected blower fan and be connected the salt cooler to connect successively, described screening salt cooler was connected with described injector again.
4. the mill milling device is returned in screening according to claim 2, it is characterized in that: described salt cooler is connected with described flour mill by three pipelines, after being connected with described coarse fodder discharging opening, a pipeline is connected with described flour mill feedback outlet, another root pipeline is connected with abrasive dust chamber, described flour mill side, and the 3rd pipeline links to each other with the described pellet outlet in described flour mill bottom.
5. the mill milling device is returned in screening according to claim 4, it is characterized in that: described salt cooler entrance is equipped with by blower fan wind is evenly distributed in ventilation terminal on the whole heat exchanger fin of described salt cooler.
6. the mill milling device is returned in screening according to claim 5, it is characterized in that: the heat exchanger fin of described salt cooler is the copper tubulation, and on the described copper tubulation integral fins is installed.
7. the mill milling device is returned in screening according to claim 5, it is characterized in that: described blower fan is that air quantity is 14000~18000m 3The blower fan of/h.
8. return the mill milling device to one of 7 described screenings according to claim 1, it is characterized in that: described filter is box filter.
CN 201220349495 2012-07-18 2012-07-18 Screened material returning grinding device Expired - Lifetime CN202666960U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220349495 CN202666960U (en) 2012-07-18 2012-07-18 Screened material returning grinding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220349495 CN202666960U (en) 2012-07-18 2012-07-18 Screened material returning grinding device

Publications (1)

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CN202666960U true CN202666960U (en) 2013-01-16

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CN 201220349495 Expired - Lifetime CN202666960U (en) 2012-07-18 2012-07-18 Screened material returning grinding device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108940557A (en) * 2018-07-11 2018-12-07 黄斯华 A kind of vertical pulverizer is with selecting powder material return mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108940557A (en) * 2018-07-11 2018-12-07 黄斯华 A kind of vertical pulverizer is with selecting powder material return mechanism

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Granted publication date: 20130116