CN204892013U - A grinding device for autoclaved fly ash aerated concrete block - Google Patents
A grinding device for autoclaved fly ash aerated concrete block Download PDFInfo
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- CN204892013U CN204892013U CN201520624991.0U CN201520624991U CN204892013U CN 204892013 U CN204892013 U CN 204892013U CN 201520624991 U CN201520624991 U CN 201520624991U CN 204892013 U CN204892013 U CN 204892013U
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Abstract
The utility model relates to a grinding device for autoclaved fly ash aerated concrete block belongs to the ball mill field, including ball mill, separator and cooling device, the ball mill includes grinding room, feeder, presss from both sides cover, discharge gate and separation chamber, and separator includes back taper classifier, first speed reducer and cyclone, cooling device includes cooling water pool, first valve, second valve and first tubing pump. The device utilizes back taper classifier to set up inside the ball mill, shortens the separation time, improves and smashes efficiency, avoids the bold granule to remain, back taper classifier has the separation efficiency height, avoids the effect of being blockked up. Accomplish the heat exchange in pressing from both sides the cover, not only accomplish the ball mill cooling, but also for going into to grind the hot -blast heat source that provides, improve energy utilization, reduce the energy cost, can also input the cooling water cooling in pressing from both sides the cover, improve equipment security and rate of equipment utilization reduce equipment cost.
Description
Technical field
The utility model relates to a kind of grinding device, particularly relates to the grinding device for aerated coal ash concrete building block, belongs to ball mill field.
Background technology
Aerated coal ash concrete building block is for primary raw material with siliceous material (sand, flyash and containing silicon tailings etc.) and calcareous material (lime, cement), admixture foaming agent (aluminium powder), through the stirring that adds water, hole is formed, the porous silicate goods made by technical process such as moulding by casting, precuring cutting, steam press maintenances by chemical reaction.
Aerated coal ash concrete building block is that country advocates a kind of novel wall construction material used, have lightweight, thermal and insulating performance good, intensity is high, high temperature resistant, impervious waterproof, fire protection flame retarding, sound insulating and absorbing, size accurately, the advantage such as environmental protection, construction be convenient, economical and practical.It is one of alternative solid clay brick best material.Aerated coal ash concrete building block can assemble three layers or three layers with the load bearing wall of lower room, also can be used as industrial premises, the non-bearing filling wall materials'use of multilayer, high-rise frame structure building, and application is very extensive, and market potential is huge.
The flyash that aerated coal ash concrete building block needs aborning, need to carry out grinding containing raw material such as silicon tailings, lime, cement, in aerated coal ash concrete building block production process, ball mill by wet process can be adopted to carry out, also dry grinding can be adopted to carry out, if the fineness of dry discharge fly ash meets production requirement when need not regrind thin, dry mill process be mainly used in lime add gypsum mixing dry grinding or lime, gypsum independent dry grinding, dry grinding is adopted to facilitate hydration reaction speed in base substrate, base substrate is hardened accelerate, just support time shorten.To adopt in ball mill dry milled process first with ball mill to forming bulk particle, meal and fine powder after material grinding, by air blast mass transport entered in mill separator and be separated, bulk particle after separation is sent into ball grinder interior by conveyance conduit again and is carried out grinding again, be separated by pulverized-coal collector after mill separator is separated again and obtain product, meal is sent into ball grinder interior by conveyance conduit again and is carried out grinding again; Adopt cooling water to cool cooling ball grinding machine in grinding process, prevent the too high ball grinder interior that causes of temperature from damaging; And because dry mill process needs the content controlling discharging moisture.The hot blast passed in grinding process can not contain large quantity of moisture, and the operation of for the benefit of stability ball grinder system, make the running status that grinding operation keeps good, the temperature into mill hot blast need be kept.
In existing dry mill process, mill separator is arranged on the outside of ball mill, and disjoint paths is far away, the time is long, and because the gravity of bulk particle is relatively large, bulk particle residual in pipeline is more, and inferior separating effect, is directly beneficial to cooling water and lowers the temperature to ball mill, although good cooling effect, but heat utilization ratio is low, and in grinding process, passes into hot blast also need heat source, ensure the temperature into mill hot blast, adopt other thermal source, cost is high.
Utility model content
The deficiency that the utility model exists for prior art, provides the grinding device for aerated coal ash concrete building block, and concrete technical scheme is as follows:
For the grinding device of aerated coal ash concrete building block, comprise ball mill, separator and cooling device, ball mill comprises grinding room, feeder, chuck, discharging opening and separation chamber, separation chamber is arranged on directly over grinding room, discharging opening is arranged on the side of separation chamber, the top of grinding room is provided with charging aperture, feeder is communicated with charging aperture, the bottom of feeder is provided with slide valve, the bottom of chuck is provided with import, the top of chuck is provided with outlet, described separator comprises back taper mill separator, first reductor and cyclone separator, mill separator is arranged on the inside of separation chamber, the top of mill separator and the contact internal walls of separation chamber, first reductor is connected with mill separator, cyclone separator is communicated with discharging opening, the top of cyclone separator is provided with the first air blast, one end of first air blast is communicated with the top of cyclone separator, the other end of the first air blast is communicated with charging aperture, static pressure analyzer is provided with between discharging opening and cyclone separator, described cooling device comprises cooling pond, the first valve, the second valve and the first tubing pump, the bottom of cooling pond is provided with delivery port, the top of cooling pond is provided with water inlet, one end of first valve and inlet communication, the other end of the first valve is communicated with delivery port, one end water inlet of the second valve is communicated with, and the other end of the second valve is communicated with one end of the first tubing pump, the other end of the first tubing pump and outlet.
As the improvement of technique scheme, described cooling device is also provided with gas collection chamber, coiled pipe, 3rd valve, 4th valve, 5th valve, second pipe pump, second air blast, second reductor, 6th valve and three-way connection, the top of gas collection chamber is provided with air inlet, the inner bottom of gas collection chamber is provided with multiple filtration net, screen pack is provided with water accepting layer, coiled pipe is arranged on the inside of cooling pond, coiled pipe is provided with air inlet and gas outlet, one end of 3rd valve is communicated with the bottom of gas collection chamber, the other end of the 3rd valve is communicated with air inlet, one end of 4th valve is communicated with gas outlet, the other end of the 4th valve and inlet communication, one end of 5th valve is communicated with gas outlet, the other end of the 5th valve is communicated with three-way connection, one end of 6th valve and outlet, the other end of the 6th valve is communicated with three-way connection, one end of second pipe pump is communicated with three-way connection, the other end of second pipe pump is communicated with the second air blast, second air blast is communicated with and is communicated with by the second reductor with between the first air blast.
Grinding device for aerated coal ash concrete building block described in the utility model, by back taper mill separator is arranged on ball grinder interior, shortens disengaging time, improves crush efficiency, avoid bulk particle residue; And it is high that back taper mill separator has separative efficiency, avoid blocked effect.In chuck, complete heat exchange, not only can lower the temperature to ball mill, but also provide origin of heat for entering to grind hot blast, improve capacity usage ratio, economize energy, reduce energy cost; In case of emergency can also input cooling water temperature in chuck, improve device security and utilization rate of equipment and installations, reduce equipment cost; The effect that gas collection chamber has buffering, extends drying time, ensures dry mass.
Accompanying drawing explanation
Fig. 1 is the grinding device structural representation for aerated coal ash concrete building block described in the utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, Fig. 1 is the grinding device structural representation for aerated coal ash concrete building block described in the utility model.The described grinding device for aerated coal ash concrete building block, comprise ball mill, separator and cooling device, ball mill comprises the grinding room 11 of grinding material, for the feeder 12 of charging, the chuck 15 facilitating cooling medium to circulate, discharging opening 16 and separation chamber 17, separation chamber 17 is arranged on directly over grinding room 11, discharging opening 16 is arranged on the side of separation chamber 17, the top of grinding room 11 is provided with charging aperture 13, feeder 12 is communicated with charging aperture 13, the bottom of feeder 12 is provided with the slide valve 14 for controlling charging, the bottom of chuck 15 is provided with import 15a, the top of chuck 15 is provided with outlet 15b.
Described separator comprises back taper mill separator 21, first reductor 22 and cyclone separator 23, for shortening the meal and the holdup time of fine powder in mill separator 21 that generate after material grinding, improve crush efficiency, mill separator 21 is arranged on the inside of separation chamber 17, insufficient for avoiding meal to be separated with fine powder, the top of mill separator 21 and the contact internal walls of separation chamber 17, avoid meal to flow out from separation chamber 17; Reduce the inertia of load for improving output torque, the first reductor 22 is connected with mill separator 21 simultaneously, and under the effect of the first reductor 22, mill separator 21 rotates and forms eddy current; Cyclone separator 23 is communicated with discharging opening 16, the top of cyclone separator 23 is provided with the first air blast 24, one end of first air blast 24 is communicated with the top of cyclone separator 23, the other end of the first air blast 24 is communicated with charging aperture 13, for ensureing that pressure is normal, prevent malleation or negative pressure to exceed standard the security risk brought, between discharging opening 16 and cyclone separator 23, be provided with static pressure analyzer 25.
Because ball mill operationally can produce large calorimetric, infringement is produced to equipment, cooling medium is operationally needed to lower the temperature to ball mill in time, described cooling device comprises cooling pond 31, first valve 32, second valve 33 and the first tubing pump 34, the bottom of cooling pond 31 is provided with delivery port 31a, the top of cooling pond 31 is provided with water inlet 31b, one end of first valve 32 is communicated with import 15a, the other end of the first valve 32 is communicated with delivery port 31a, one end water inlet 31b of the second valve 33 is communicated with, the other end of the second valve 33 is communicated with one end of the first tubing pump 34, the other end of the first tubing pump 34 is communicated with outlet 15b.
Because ball mill operationally can produce large calorimetric, this heat not only produces infringement to equipment, directly dissipates and causes waste; And under grinding effect, reach desired value in order to the moisture after controlling material discharging, avoid the moisture in air to have an impact to it, need to pass into moisture free hot blast in grinding process, make the running status that grinding operation keeps good.Described cooling device is also provided with gas collection chamber 36, coiled pipe 37, the 3rd valve 38, the 4th valve 39, the 5th valve 310, second pipe pump 311, second air blast 312, second reductor 313, the 6th valve 314 and three-way connection 315, the top of gas collection chamber 36 is provided with air inlet 36a, the inner bottom of gas collection chamber 36 is provided with multiple filtration net 36b, screen pack 36b is provided with water accepting layer 36c, water accepting layer 36c adopts the quick lime or soda lime composition of producing aerated coal ash concrete building block, wide material sources, cost is low; Screen pack 36b effect is for preventing quick lime or soda lime from leaking, and entering the 3rd valve 38 affects follow-up work.Inside, cooling pond 31 is provided with cooling water 35, for enlarge active surface, improve heat transfer effect, coiled pipe 37 is adopted to contact with cooling water 35, coiled pipe 37 is arranged on the inside of cooling pond 31, coiled pipe 37 is provided with air inlet 37a and gas outlet 37b, one end of 3rd valve 38 is communicated with the bottom of gas collection chamber 36, the other end of the 3rd valve 38 is communicated with air inlet 37a, one end of 4th valve 39 is communicated with gas outlet 37b, the other end of the 4th valve 39 is communicated with import 15a, one end of 5th valve 310 is communicated with gas outlet 37b, the other end of the 5th valve 310 is communicated with three-way connection 315, one end of 6th valve 314 is communicated with outlet 15b, the other end of the 6th valve 314 is communicated with three-way connection 315, one end of second pipe pump 311 is communicated with three-way connection 315, the other end of second pipe pump 311 is communicated with the second air blast 312, second air blast 312 is communicated with and is communicated with by the second reductor 313 between the first air blast 24.
The described grinding device method of operating for aerated coal ash concrete building block: (before work, all valve acquiescences are all closed condition, grinding material is for lump lime), open slide valve 14, open the first reductor 22, lump lime all closes slide valve 14 after feeder 12 enters grinding room 11, lump lime is become blocky-shaped particle by grinding in grinding room 11, meal and fine powder, whirlpool is formed in mill separator 21 under the first reductor 22 acts on, separation chamber 17 is in lower negative pressure, mill separator 21 is under stop, blocky-shaped particle drops and enters in grinding room 11 again by grinding under the Action of Gravity Field of self, meal and fine powder enter mill separator 21 along with wind-force, because mill separator 21 is back taper, enlarge active surface on the one hand, promote separating effect, on the other hand, air-flow containing meal and fine powder in mill separator 21 inside along with the internal diameter of mill separator 21 expands gradually, the flow velocity of the air-flow containing meal and fine powder is in continuous reduction, the inside due to mill separator 21 is avoided to cause negative pressure to increase because flow velocity is excessive, mill separator 21 is blocked by some blocky-shaped particles, reduce separating effect, and under the first reductor 22 acts on, prevent blocky-shaped particle from accumulating in mill separator 21 around, cause blocking.
Under the influence of centrifugal force, the air-flow containing meal and fine powder is inhaled in cyclone separator 23, and standard compliant fine powder is isolated from the lower end of cyclone separator 23, and meal then reenters grinding in grinding room 11 under the effect of the first air blast 24.
In grinding process, outside air enters gas collection chamber 36 from air inlet 36a, under the effect of water accepting layer 36c, moisture in air is absorbed, open the 3rd valve 38, 4th valve 39, 6th valve 314, second pipe pump 311, second air blast 312 and the second reductor 313, moisture free air enters in chuck 15 under the cooling of cooling water 35, lower the temperature to the ball mill in work and complete heat exchange, moisture free hot blast enters in the first air blast 24 under the effect of the second air blast 312 and the second reductor 313, enter in grinding room 11 by charging aperture 13, the moisture completed in quick lime grinding process regulates, it is made to reach the setting of discharging moisture, the effect of the second reductor 313 is the flow velocitys regulating the hot blast entered in the first air blast 24, balances the first air blast 24 and inside and outside differential pressure in cyclone separator 23, prevents from flowing backwards from air-flow, reduces the separating effect of cyclone separator 23.
If in grinding work, due to misoperation or work long hours and cause ball mill temperature sharply to raise, cooling-air cooling is adopted not reach cooling effect; Now, close the 4th valve 39, open the 5th valve 310, close the 6th valve 314, allow moisture free cooling-air after supercooled water 35 cools enter in grinding room 11 under the effect of second pipe pump 311, second air blast 312, second reductor 313 and the first air blast 24 and lower the temperature to ball grinder interior; Open the first valve 32, second valve 33 and the first tubing pump 34, cooling water 35 enters in chuck 15 simultaneously, and to the cooling of ball mill outside, in cooling water 35, the dual cooling of cooling-air, rate of temperature fall is fast, shortens temperature fall time, avoids equipment impaired.Cooling water 35 in follow-up chuck 15 utilizes gravity to be back in cooling pond 31 by it, is dried by moisture residual in chuck 15, then carry out follow-up grinding work with hot-air.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. for the grinding device of aerated coal ash concrete building block, comprise ball mill, separator and cooling device, ball mill comprises grinding room (11), feeder (12), chuck (15), discharging opening (16) and separation chamber (17), separation chamber (17) is arranged on directly over grinding room (11), discharging opening (16) is arranged on the side of separation chamber (17), the top of grinding room (11) is provided with charging aperture (13), feeder (12) is communicated with charging aperture (13), the bottom of feeder (12) is provided with slide valve (14), the bottom of chuck (15) is provided with import (15a), the top of chuck (15) is provided with outlet (15b), it is characterized in that: described separator comprises back taper mill separator (21), first reductor (22) and cyclone separator (23), mill separator (21) is arranged on the inside of separation chamber (17), the top of mill separator (21) and the contact internal walls of separation chamber (17), first reductor (22) is connected with mill separator (21), cyclone separator (23) is communicated with discharging opening (16), the top of cyclone separator (23) is provided with the first air blast (24), one end of first air blast (24) is communicated with the top of cyclone separator (23), the other end of the first air blast (24) is communicated with charging aperture (13), static pressure analyzer (25) is provided with between discharging opening (16) and cyclone separator (23), described cooling device comprises cooling pond (31), first valve (32), second valve (33) and the first tubing pump (34), the bottom of cooling pond (31) is provided with delivery port (31a), the top of cooling pond (31) is provided with water inlet (31b), one end of first valve (32) is communicated with import (15a), the other end of the first valve (32) is communicated with delivery port (31a), one end water inlet (31b) of the second valve (33) is communicated with, the other end of the second valve (33) is communicated with one end of the first tubing pump (34), the other end of the first tubing pump (34) is communicated with outlet (15b).
2. the grinding device for aerated coal ash concrete building block according to claim 1, it is characterized in that: described cooling device is also provided with gas collection chamber (36), coiled pipe (37), 3rd valve (38), 4th valve (39), 5th valve (310), second pipe pump (311), second air blast (312), second reductor (313), 6th valve (314) and three-way connection (315), the top of gas collection chamber (36) is provided with air inlet (36a), the inner bottom of gas collection chamber (36) is provided with multiple filtration net (36b), screen pack (36b) is provided with water accepting layer (36c), coiled pipe (37) is arranged on the inside of cooling pond (31), coiled pipe (37) is provided with air inlet (37a) and gas outlet (37b), one end of 3rd valve (38) is communicated with the bottom of gas collection chamber (36), the other end of the 3rd valve (38) is communicated with air inlet (37a), one end of 4th valve (39) is communicated with gas outlet (37b), the other end of the 4th valve (39) is communicated with import (15a), one end of 5th valve (310) is communicated with gas outlet (37b), the other end of the 5th valve (310) is communicated with three-way connection (315), one end of 6th valve (314) is communicated with outlet (15b), the other end of the 6th valve (314) is communicated with three-way connection (315), one end of second pipe pump (311) is communicated with three-way connection (315), the other end of second pipe pump (311) is communicated with the second air blast (312), second air blast (312) is communicated with and is communicated with by the second reductor (313) with between the first air blast (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520624991.0U CN204892013U (en) | 2015-08-19 | 2015-08-19 | A grinding device for autoclaved fly ash aerated concrete block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520624991.0U CN204892013U (en) | 2015-08-19 | 2015-08-19 | A grinding device for autoclaved fly ash aerated concrete block |
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| CN204892013U true CN204892013U (en) | 2015-12-23 |
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| CN201520624991.0U Expired - Fee Related CN204892013U (en) | 2015-08-19 | 2015-08-19 | A grinding device for autoclaved fly ash aerated concrete block |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269084A (en) * | 2016-08-24 | 2017-01-04 | 桂林浩新科技服务有限公司 | A kind of air-dried ball mill |
| CN107597392A (en) * | 2017-10-18 | 2018-01-19 | 佛山市锠联重工科技有限公司 | A kind of suction type ball mill coal-grinding powder grinding system |
| CN111606589A (en) * | 2020-07-03 | 2020-09-01 | 四川方大新型建材科技开发有限责任公司 | Method and equipment for producing building gypsum powder from industrial by-product gypsum |
| CN114453122A (en) * | 2022-03-04 | 2022-05-10 | 烟台万亨智能设备有限公司 | Induced air washing powder coating milling machine |
-
2015
- 2015-08-19 CN CN201520624991.0U patent/CN204892013U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269084A (en) * | 2016-08-24 | 2017-01-04 | 桂林浩新科技服务有限公司 | A kind of air-dried ball mill |
| CN107597392A (en) * | 2017-10-18 | 2018-01-19 | 佛山市锠联重工科技有限公司 | A kind of suction type ball mill coal-grinding powder grinding system |
| CN111606589A (en) * | 2020-07-03 | 2020-09-01 | 四川方大新型建材科技开发有限责任公司 | Method and equipment for producing building gypsum powder from industrial by-product gypsum |
| CN114453122A (en) * | 2022-03-04 | 2022-05-10 | 烟台万亨智能设备有限公司 | Induced air washing powder coating milling machine |
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Granted publication date: 20151223 Termination date: 20180819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |