CN204307689U - A kind of limestone desulfurization powder preparation and conveying device - Google Patents

A kind of limestone desulfurization powder preparation and conveying device Download PDF

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Publication number
CN204307689U
CN204307689U CN201420646174.0U CN201420646174U CN204307689U CN 204307689 U CN204307689 U CN 204307689U CN 201420646174 U CN201420646174 U CN 201420646174U CN 204307689 U CN204307689 U CN 204307689U
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powder
mill
discharging opening
conveying
belt conveyor
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CN201420646174.0U
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王丰海
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Shandong Shengbao Heat Transfer Technology Co Ltd
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Shandong Shengbao Heat Transfer Technology Co Ltd
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Abstract

The utility model proposes the preparation of a kind of limestone desulfurization powder and conveying device, comprise aggregate bin, its bottom is provided with vibra feeder, is provided with the first belt conveyor convey materials afterwards and enters pre-mill; Pre-grinding powder is sent into transfer storage facility via bucket elevator by described pre-mill discharging opening, enters atomizer mill afterwards via the second belt conveyor convey materials; The discharging opening of described atomizer mill connects middle powder storehouse by bucket elevator, its discharging opening is connected with wiping board valve, rotatory feeder valve and injector mixer in turn by pipeline, the outlet of described injector mixer connects boiler, described injector mixer is also provided with damper, and the described damper other end is provided with hot wind inlet.The technical solution of the utility model, by carrying out twice grinding to raw limestone, improves limestone fines content, and changes traditional lime stone powder mode of movement, thus solves the problem of powder carry blocking.

Description

A kind of limestone desulfurization powder preparation and conveying device
Technical field
The utility model relates to limestone desulfurization field, refers to the preparation of a kind of limestone desulfurization powder and conveying device especially.
Background technology
Along with the increase of environmental consciousness, the requirement of China to industrial discharge flue gas improves further.To industrial waste smoke desulfurization field, agstone is the main matter of desulfurizing agent.And the preparation of agstone is by the building stones in stone pit, ground by professional machines, make it the powder becoming certain fineness.In traditional agstone preparation, its preparation facilities cost is high, abrasive dust poor performance, and the fine powder content ground is low.
And prior art is adopt air compressor substantially, carries out defeated powder at normal temperature compressed air, due to Problem On Compressed Air With Water, agstone is made moist caking, and carries powder pipeline elongated, bend part easily blocks halfway, affects the stability into powder amount.
Utility model content
The utility model proposes the preparation of a kind of limestone desulfurization powder and conveying device, by the improvement to abrasive dust and conveying device, improve the fine powder content of grinding stone lime stone, also reduce the blocking in conveying way.
The technical solution of the utility model is achieved in that
A kind of limestone desulfurization powder preparation and conveying device, its structure comprises:
Pre-mill apparatus: comprise aggregate bin, its bottom is provided with vibra feeder, and described vibra feeder discharging opening is provided with the first belt conveyor, and the described first belt conveyor other end is provided with pre-mill;
Fine grinding device: described pre-mill discharging opening connects bucket elevator, pre-grinding powder is sent into transfer storage facility by described bucket elevator, and the discharging opening of described transfer storage facility is provided with the second belt conveyor, and the described second belt conveyor other end is provided with atomizer mill;
The discharging opening of described atomizer mill connects middle powder storehouse by bucket elevator, and the discharging opening in described middle powder storehouse is provided with hot-blast conveying appliance.
In technique scheme, described pre-mill adopts vertical grinder.
In technique scheme, described atomizer mill adopts two storehouse formula grinding machines.
In technique scheme, the supply package of described vibra feeder tilts to install, by top charging.
In technique scheme, pre-grinding-fine grinding twice pulverizing is changed into by the disposable pulverizing of common disintegrating machine owing to being pulverized by the raw limestone at initial stage, raw limestone can be worn into the pre-grinding powder of average grain diameter≤3 millimeter by pre-mill, and pre-grinding powder can be ground to the finished product powder of particle diameter≤50 micron by atomizer mill further.Greatly improve the degree of grinding of desulfurization agstone thus, improve limestone fines content, be conducive to further desulfurization.
In technique scheme, described hot-blast conveying appliance specifically comprises:
The discharging opening in described middle powder storehouse is connected with wiping board valve, rotatory feeder valve and injector mixer in turn by pipeline, the outlet of described injector mixer connects boiler, described injector mixer is also provided with damper, and the described damper other end is provided with hot wind inlet.
Above-mentioned hot-blast conveying appliance, it for pumped (conveying) medium, according to the rotating speed of burning requirement rotatory feeder valve, accurately can control the feeding coal of lime stone with the hot blast of boiler.According to the aperture of the damper of the rotational speed regulation hot blast of rotatory feeder valve, thus control the speed that lime stone finished powder material strip is entered boiler by hot blast, ensure that desulfuration in furnace lime stone feed evenly, continuously, improve the reliability of conveying, thus be conducive to the desulfuration efficiency that ensure that in stove.
As the further improvement of technique scheme, between described atomizer mill and middle powder storehouse, be also provided with powder concentrator.The discharging opening of described atomizer mill is sent into powder concentrator by bucket elevator or other conveying mode of movements and is carried out sorting, the qualified fine powder filtered out is entered middle powder storehouse, underproof powder can return atomizer mill by elephant trunk etc. and continue grinding, so further ensure that the fineness of lime stone finished powder.
In sum, the technical solution of the utility model, by carrying out twice grinding to raw limestone, improves limestone fines content, and changes traditional lime stone powder mode of movement, thus solves the problem of powder carry blocking.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the preparation of the utility model limestone desulfurization powder and conveying device;
In figure: 1-aggregate bin; 2-vibra feeder; 3-first belt conveyor; 4-pre-mill; 5-bucket elevator; 6-transfer storage facility; 7-second belt conveyor; 8-atomizer mill; Powder storehouse in the middle of 9-; 10-wiping board valve; 11-rotatory feeder valve; 12-injector mixer; 13-damper; 14-hot wind inlet; 15-boiler.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, limestone desulfurization powder preparation of the present utility model and conveying device, its structure comprises:
Pre-mill apparatus: comprise aggregate bin 1, its bottom is provided with vibra feeder 2, and described vibra feeder 2 discharging opening is provided with the first belt conveyor 3, and described first belt conveyor 3 other end is provided with pre-mill 4;
Fine grinding device: described pre-mill 4 discharging opening connects bucket elevator 5, pre-grinding powder is sent into transfer storage facility 6 by described bucket elevator 5, and the discharging opening of described transfer storage facility 6 is provided with the second belt conveyor 7, and described second belt conveyor 7 other end is provided with atomizer mill 8;
The discharging opening of described atomizer mill 8 connects middle powder storehouse 9 by bucket elevator, and the discharging opening in described middle powder storehouse 9 is provided with hot-blast conveying appliance.
In technique scheme, described pre-mill 4 can adopt vertical grinder.It is provided with drive motors, transmission and deceleration system, described motor via reducer, belt pulley, driving belt drive the main shaft of pre-mill to rotate.
In technique scheme, described atomizer mill 8 can adopt the grinding machine of two storehouse formulas.It generally comprises feed arrangement, rotating cylinder, drawing mechanism, base bearing, running part and lubricating system, and drive motors is by the connection for transmission such as reduction box, gear train rotating cylinder.Described rotating cylinder is made up of two bins, and centre separates with partition panel with holes.The abrasive body of the first mill room, based on large and medium-sized abrasive body, to impact for main auxiliary to be ground to, pulverizes the material through pre-grinding processing further.Pulverized material is by the hole of partition panel afterwards, enters the second mill room, and the abrasive body diameter of the second mill room is less, pulverizes further and grinding.Powder after twice grinding screens via the discharging grate plate of bin end, and grinding machine discharged by qualified powder.
In technique scheme, the supply package of described vibra feeder 2 tilts to install, by top charging.Described supply package termination is provided with vibrating motor, and described vibrating motor band movable eccentric wheel rotates and produces vibration, supply package linking springs, and is supported by spring.
In technique scheme, pre-grinding-fine grinding twice pulverizing is changed into by the disposable pulverizing of common disintegrating machine owing to being pulverized by the raw limestone at initial stage, raw limestone can be worn into the pre-grinding powder of average grain diameter≤3 millimeter by pre-mill, and pre-grinding powder can be ground to the finished product powder of particle diameter≤50 micron by atomizer mill further.Greatly improve the degree of grinding of desulfurization agstone thus, improve limestone fines content, be conducive to further desulfurization.
In technique scheme, described hot-blast conveying appliance specifically comprises:
The discharging opening in described middle powder storehouse 9 is connected with wiping board valve 10, rotatory feeder valve 11 and injector mixer 12 in turn by pipeline, the outlet of described injector mixer 12 connects boiler 15, described injector mixer 12 is also provided with damper 13, and the described damper other end is provided with hot wind inlet 14.
Above-mentioned hot-blast conveying appliance, it for pumped (conveying) medium, according to the rotating speed of burning requirement rotatory feeder valve, accurately can control the feeding coal of lime stone with the hot blast of boiler.According to the aperture of the damper of the rotational speed regulation hot blast of rotatory feeder valve, thus control the speed that lime stone finished powder material strip is entered boiler by hot blast, ensure that desulfuration in furnace lime stone feed evenly, continuously, improve the reliability of conveying, thus be conducive to the desulfuration efficiency that ensure that in stove.
As the further improvement of technique scheme, between described atomizer mill 8 and middle powder storehouse 9, be also provided with powder concentrator.The discharging opening of described atomizer mill is sent into powder concentrator by bucket elevator or other conveying mode of movements and is carried out sorting, the qualified fine powder filtered out is entered middle powder storehouse, underproof powder can return atomizer mill by elephant trunk etc. and continue grinding, so further ensure that the fineness of lime stone finished powder.
In sum, the technical solution of the utility model, by carrying out twice grinding to raw limestone, improves limestone fines content, and changes traditional lime stone powder mode of movement, thus solves the problem of powder carry blocking.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. the preparation of limestone desulfurization powder and a conveying device, is characterized in that, comprising:
Pre-mill apparatus: comprise aggregate bin, its bottom is provided with vibra feeder, and described vibra feeder discharging opening is provided with the first belt conveyor, and the described first belt conveyor other end is provided with pre-mill;
Fine grinding device: described pre-mill discharging opening connects bucket elevator, pre-grinding powder is sent into transfer storage facility by described bucket elevator, and the discharging opening of described transfer storage facility is provided with the second belt conveyor, and the described second belt conveyor other end is provided with atomizer mill;
The discharging opening of described atomizer mill connects middle powder storehouse by bucket elevator, and the discharging opening in described middle powder storehouse is provided with hot-blast conveying appliance.
2. limestone desulfurization powder preparation according to claim 1 and conveying device, is characterized in that:
Described hot-blast conveying appliance specifically comprises:
The discharging opening in described middle powder storehouse is connected with wiping board valve, rotatory feeder valve and injector mixer in turn by pipeline, the outlet of described injector mixer connects boiler, described injector mixer is also provided with damper, and the described damper other end is provided with hot wind inlet.
3. limestone desulfurization powder preparation according to claim 2 and conveying device, is characterized in that:
Described pre-mill is vertical grinder.
4. limestone desulfurization powder preparation according to claim 3 and conveying device, is characterized in that:
Described atomizer mill is two storehouse formula grinding machines.
5. limestone desulfurization powder preparation according to claim 4 and conveying device, is characterized in that:
Also powder concentrator is provided with between described atomizer mill and middle powder storehouse.
CN201420646174.0U 2014-10-31 2014-10-31 A kind of limestone desulfurization powder preparation and conveying device Active CN204307689U (en)

Priority Applications (1)

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CN201420646174.0U CN204307689U (en) 2014-10-31 2014-10-31 A kind of limestone desulfurization powder preparation and conveying device

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Application Number Priority Date Filing Date Title
CN201420646174.0U CN204307689U (en) 2014-10-31 2014-10-31 A kind of limestone desulfurization powder preparation and conveying device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105645112A (en) * 2016-01-27 2016-06-08 西安航天源动力工程有限公司 Sodium bicarbonate gathering, transporting and jetting complete technology system
CN105645113A (en) * 2016-01-27 2016-06-08 西安航天源动力工程有限公司 Sodium bicarbonate gathering, transporting and injecting method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105645112A (en) * 2016-01-27 2016-06-08 西安航天源动力工程有限公司 Sodium bicarbonate gathering, transporting and jetting complete technology system
CN105645113A (en) * 2016-01-27 2016-06-08 西安航天源动力工程有限公司 Sodium bicarbonate gathering, transporting and injecting method
CN105645113B (en) * 2016-01-27 2018-05-11 西安航天源动力工程有限公司 A kind of sodium acid carbonate collection is defeated and injection method
CN105645112B (en) * 2016-01-27 2018-05-11 西安航天源动力工程有限公司 A kind of sodium acid carbonate collection is defeated and sprays complete process system

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