CN202594983U - Lime milk preparation device - Google Patents
Lime milk preparation device Download PDFInfo
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- CN202594983U CN202594983U CN 201220234507 CN201220234507U CN202594983U CN 202594983 U CN202594983 U CN 202594983U CN 201220234507 CN201220234507 CN 201220234507 CN 201220234507 U CN201220234507 U CN 201220234507U CN 202594983 U CN202594983 U CN 202594983U
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Abstract
The utility model discloses a lime milk preparation device which is designed for solving the problems that existing lime milk production is large in pollution and the like. The lime milk preparation device comprises a feed unit, a nitration unit, a dissolving unit, a dust absorption unit, a dust removal unit and a recycling unit. The feed unit comprises a feed port, a material separator, a lime storage bin, a material level meter, a vibrator, a discharge oscillator, an electric gas valve and a spiral weighting feed scale. The nitration unit comprises a lime nitration device and a discharge pipe. The dissolving unit comprises a lime dissolving tank, a stirring machine and a liquid level measurement device. The dust absorption unit comprises a dust absorption cover and an air volume adjusting valve. The dust removal unit comprises a low-pressure pulse cloth bag dust remover, a fan and a motor. The recycling unit comprises a lime bucket, a lime loading valve and a lime loading articulated chute. The lime milk preparation device is wholly connected tightly, solves the problem of environmental protection of in-site nitration processes of calcined lime, and is reasonable in structure, high in production efficiency of lime milk, high in utilization rate of calcined lime and capable of saving energy and protecting the environment.
Description
Technical field
The utility model relates to a kind of device for preparing lime milk.
Background technology
In the industrial sewage treatment project, be used for adding milk of lime to reduce sewage hardness to sewage at present, it is that nitrated lime is as raw material that used device for preparing lime milk generally adopts white lime.White lime generally all is from the outsourcing of professional production factory, and transportation adopts lime to transport the airtight transportation of professional tank car.Manufacturer is less because of white lime, and a lot of enterprises are difficult to adopt milk of lime to regulate hardness, and can only adopt the sodium bicarbonate of high several times of prices to replace.In addition, owing to reasons such as production cost, transportation cost, ROIs, the white lime price is higher.
The general scale of white lime manufacturer is less, and such factory self do not produce unslaked lime, basically all be outsourcing unslaked lime after, adopt simple and easyly grind, screening, processing such as nitrated.Can produce a large amount of dust pollutions in process of production, produce the energy consumption of transportation, processing simultaneously.
Industrial sewage factory is the large size industrial enterprise auxiliary construction, and itself just produces unslaked lime many enterprises, all has the limestone kiln like large-scale iron and steel enterprise and produces unslaked lime.Because unslaked lime in adding the nitrated one-tenth white lime of water process, can produce the flue gas of more limy dust, many enterprises do not adopt unslaked lime to prepare raw material as milk of lime for satisfying on-the-spot attractive in appearance and sanitary condition.There is the too high problem of cost again in the special-purpose lime nitrification of investment construction.
The utility model content
In order to overcome above-mentioned defective, the utility model provides a kind of device for preparing lime milk of environmental protection.
For achieving the above object, the utility model provides a kind of device for preparing lime milk, and said device comprises feed unit, and said feed unit is connected with nitrated unit through pipeline, and below, said nitrated unit is provided with the dissolving unit; Said nitrated unit is connected to dust removing units through the dust suction unit, and said dust removing units below is provided with the recovery unit, and said recovery unit is connected to the dissolving unit.
Particularly, said feed unit comprises opening for feed, and said opening for feed top is provided with material separator; Said opening for feed below connects ash-storing bin, and the below of said ash-storing bin is provided with and is connected to nitrated unitary pipeline; The top is provided with level gage in the said ash-storing bin, and said ash-storing bin below arranged outside has vibrator and blanking vibrator; Be provided with electronic push-pull valve and spiral weighing feed weigher in the said pipeline.
Particularly, said nitrated unit comprises the lime nitrator, is provided with ccontaining cavity in the said lime nitrator, and said cavity leads to the outside through three holes; First hole connects the pipeline of feed unit, and second hole connects the dust suction unit, and the 3rd hole connects tremie pipe; Said tremie pipe connects the dissolving unit.
Particularly, said dissolving unit comprises a lime lixator, and said lime lixator is a hollow cavity, is provided with stirrer in the said cavity; Said cavity top is provided with liquid level measurer.
Particularly, said dust suction unit comprises the dust hood that is connected on the nitrated unit, puts on the said dust hood and is provided with volume damper, and said dust hood passes through pipe connection to dust removing units.
Particularly, said dust removing units comprises a hollow cavity, and said cavity top is provided with low pressure pulse bag filter; Said cavity also is connected with blower fan, and said blower fan is furnished with motor; Said cavity below is connected to the recovery unit.
Particularly, said recovery unit comprises the ash bucket that is connected on the dust removing units, and said ash bucket bottom is provided with unloading valve, and said unloading valve connects and unloads grey elephant trunk, saidly unloads grey elephant trunk and is connected to the dissolving unit.
The utility model device for preparing lime milk is provided with feed unit, nitrated unit, dissolving unit, dust suction unit, dust removing units and recovery unit; Above-mentioned 6 unit closely connect; Reclaim the flue dust that produces in the unslaked lime nitrifying process, solve the environmental issue of on-the-spot nitrated and nitrifying process of unslaked lime.
The utility model device for preparing lime milk is simple in structure, and it is low that milk of lime comprehensively prepares energy consumption, has saved investment and energy consumptions such as white lime preparation, mill choosing, secondary transportation.Adopt the self-produced unslaked lime of enterprise to carry out that scene is nitrated, dissolving preparation lime milk solution, the saving working cost.Flue gas sealing exhausting to the lime nitrifying process produces purifies on the spot, and pipeline is short, can the pipeline dust stratification.The lime dust that the nitrated fly-ash separator of lime reclaims can directly utilize the lime lixator utilization that falls into the bottom, lime utilization ratio 100%, energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the utility model preferred embodiment structural representation.
Embodiment
Below in conjunction with Figure of description and preferred embodiment the utility model is done detailed description.
The utility model device for preparing lime milk comprises feed unit, and feed unit is connected with nitrated unit through pipeline, and below, nitrated unit is provided with the dissolving unit; Nitrated unit is connected to dust removing units through the dust suction unit, and the dust removing units below is provided with the recovery unit, reclaims the unit and is connected to the dissolving unit.Above-mentioned 6 unit closely connect, and reclaim the flue dust that produces in the unslaked lime nitrifying process, solve the environmental issue of on-the-spot nitrated and nitrifying process of unslaked lime.
Feed unit comprises opening for feed, is used for unslaked lime is put into device for preparing lime milk.The opening for feed top is provided with material separator, is used for separation of material and air.The opening for feed below connects ash-storing bin, is used to store the unslaked lime that gets into from opening for feed.The below of ash-storing bin is provided with and is connected to nitrated unitary pipeline, and unslaked lime pipeline thus gets into nitrated unit.The top is provided with level gage in the ash-storing bin, when unslaked lime reaches level gage, just stops charging.Ash-storing bin below arranged outside has vibrator and blanking vibrator, helps unslaked lime through vibration and all gets into nitrated unit.Be provided with the electronic push-pull valve and the spiral weighing feed weigher that is used for weighing unslaked lime weight that are used to open and close pipeline in the pipeline.
Nitrated unit comprises the lime nitrator, is provided with ccontaining cavity in the lime nitrator, carries out nitration reaction in the cavity.Cavity leads to the outside through three holes: first hole connects the pipeline of feed unit, and second hole connects the dust suction unit, and the 3rd hole connects tremie pipe; Tremie pipe connects the dissolving unit.
The dissolving unit comprises a lime lixator, and the lime lixator is a hollow cavity, lime dissolving the becoming milk of lime in cavity after nitrated.In order to guarantee lime dissolved speed and to prevent milk of lime sedimentation fouling, be provided with stirrer in the cavity.The cavity top is provided with liquid level measurer, and when the slurries of cavity sodalime breast reached liquid level measurer, device for preparing lime milk quit work, and prepares to extract out milk of lime.
The dust suction unit comprises the dust hood that is connected on the nitrated unit, puts on the dust hood to be provided with volume damper, and dust hood passes through pipe connection to dust removing units.The dust suction unit sucks the lime flue dust that produces in the nitrator in the dust suction unit, sends in the dust removing units then.
Dust removing units comprises a hollow cavity, and the cavity top is provided with low pressure pulse bag filter.Cavity also is connected with blower fan, and blower fan is furnished with motor, and blower fan emits flue gas after being purified.The cavity below is connected to the recovery unit, the lime in the lime flue dust is imported reclaim the unit.
Reclaim the unit and comprise the ash bucket that is connected on the dust removing units, the ash bucket bottom is provided with unloading valve, and grey elephant trunk is unloaded in the unloading valve connection, unloads grey elephant trunk and is connected to the dissolving unit.The lime that reclaims gets into the dissolving unit through unloading grey elephant trunk.
Preferred embodiment: as shown in Figure 1, storage bin 4 is installed on the framework of lime lixator 12, so that lime is poured in the lime lixator 12.Material separator 1, opening for feed 2 and level gage 3 are established in storage bin 4 top, and vibrator 10 and blanking vibrator 5 are established in the bottom of storage bin 4, and storage bin 4 exits set gradually electronic push-pull valve 6, be flexible coupling 7, spiral weighing feed weigher 8 and lime nitrator 9.
At unslaked lime nitrator 9 blanking side roof parts, airtight dust hood 14 is set.Dust hood 14 is through manual volume damper 15 and pipeline 16, and the flue dust of the dust-laden moisture vapor that unslaked lime is produced when nitrated sucks low pressure pulse bag filter 17.
Fly-ash separator 17 adopts tetrafluoroethylene material filter bag, uses the low-pressure compressed air pulse dust cleaning.The fly-ash separator flue gas after being purified is through blower fan 18 dischargings, and discharging dust contained flue gas concentration is lower than 10mg/m3.Blower fan 18 adopts bridle iron to be erected on the fly-ash separator side box body with necessary electromotor 19.Fly-ash separator 17 supporting legs adopt steel frame to be located at lime lixator 12 steel structure frame platform tops.Dust collector ash hopper 20 has one and unloads grey elephant trunk 22, and the dust that fly-ash separator 17 is collected regularly is discharged into lime lixator 12 by electronic unloading valve 21 through unloading grey elephant trunk 22.Fly-ash separator control is adopted regularly and is decided differential pressure control, by the unified control of lime adding set housing.
Working process is: the vacuum tank car is transported to the unslaked lime of qualified particle diameter near the device for preparing lime milk, and lime tank car discharge opening is docked with device opening for feed 2, and tank car pumps into storage bin 4 through pressurized air with unslaked lime.Enter atmosphere after the material separator 1 of the pressurized air that pumps into lime through storage bin 4 tops purifies, when lime reached high charge level 3 height, device sent sound and light alarm, and tank car stops feeding.
Unslaked lime evenly gets into spiral weighing feed weigher 8 through distributor 5, electronic push-pull valve 6, presses set amount and gets into unslaked lime nitrator 9, and unslaked lime CaO is added the water reaction and generates white lime Ca (OH) 2 in nitrator 9.White lime falls into lime lixator 12 through tremie pipe 23, in groove, is dissolved into a certain proportion of milk of lime.Establish hopper wall vibrator 10 in storage bin 4 bottoms to prevent lime, be flexible coupling 7 at electronic push- pull valve 6 and 8 settings of spiral weighing feed weigher at bin hang-up.
For guaranteeing lime dissolved speed and preventing milk of lime sedimentation fouling, slurries stirrer 11 is set in lime lixator 12 stirs slurries.When the slurries height reached high liquid level 13, nitrator 9, spiral weighing feed weigher 8, electronic push-pull valve 6, hopper wall vibrator 10 quit work successively.Qualified slurries are transported in the dosing pond through the slush pump of joining outward.
The flue dust of the dust-laden moisture vapor that produces when unslaked lime is nitrated is inhaled into low pressure pulse bag filter 17 through dust hood 14, manual modulation valve 15 and pipeline 16, and flue gas after being purified is through blower fan 18 dischargings.The dust that fly-ash separator is collected regularly is discharged into lime lixator 12 by electronic unloading valve 21 through unloading grey elephant trunk 22.
This apparatus structure is simple, and working stability is reliable, easy and simple to handle; The sealing exhausting is effective, dedusting on the spot, and pipeline can dust stratification; It is little not need to connect in addition the dust-removal system investment, and energy consumption is low, and working cost is low; Lime dust can directly get into the lixator utilization after reclaiming, and realizes the efficient utilization of resource.
More than; Be merely the preferred embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain that claim was defined.
Claims (7)
1. a device for preparing lime milk is characterized in that, said device comprises feed unit, and said feed unit is connected with nitrated unit through pipeline, and below, said nitrated unit is provided with the dissolving unit; Said nitrated unit is connected to dust removing units through the dust suction unit, and said dust removing units below is provided with the recovery unit, and said recovery unit is connected to the dissolving unit.
2. device for preparing lime milk according to claim 1 is characterized in that said feed unit comprises opening for feed, and said opening for feed top is provided with material separator; Said opening for feed below connects ash-storing bin, and the below of said ash-storing bin is provided with and is connected to nitrated unitary pipeline; The top is provided with level gage in the said ash-storing bin, and said ash-storing bin below arranged outside has vibrator and blanking vibrator; Be provided with electronic push-pull valve and spiral weighing feed weigher in the said pipeline.
3. device for preparing lime milk according to claim 1 is characterized in that, said nitrated unit comprises the lime nitrator, is provided with ccontaining cavity in the said lime nitrator, and said cavity leads to the outside through three holes; First hole connects the pipeline of feed unit, and second hole connects the dust suction unit, and the 3rd hole connects tremie pipe; Said tremie pipe connects the dissolving unit.
4. device for preparing lime milk according to claim 1 is characterized in that, said dissolving unit comprises a lime lixator, and said lime lixator is a hollow cavity, is provided with stirrer in the said cavity; Said cavity top is provided with liquid level measurer.
5. device for preparing lime milk according to claim 1 is characterized in that, said dust suction unit comprises the dust hood that is connected on the nitrated unit, puts on the said dust hood and is provided with volume damper, and said dust hood passes through pipe connection to dust removing units.
6. device for preparing lime milk according to claim 1 is characterized in that said dust removing units comprises a hollow cavity, and said cavity top is provided with low pressure pulse bag filter; Said cavity also is connected with blower fan, and said blower fan is furnished with motor; Said cavity below is connected to the recovery unit.
7. device for preparing lime milk according to claim 1; It is characterized in that said recovery unit comprises the ash bucket that is connected on the dust removing units, said ash bucket bottom is provided with unloading valve; Said unloading valve connects and unloads grey elephant trunk, saidly unloads grey elephant trunk and is connected to the dissolving unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234507 CN202594983U (en) | 2012-05-23 | 2012-05-23 | Lime milk preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234507 CN202594983U (en) | 2012-05-23 | 2012-05-23 | Lime milk preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202594983U true CN202594983U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220234507 Expired - Fee Related CN202594983U (en) | 2012-05-23 | 2012-05-23 | Lime milk preparation device |
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| CN (1) | CN202594983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674714A (en) * | 2012-05-23 | 2012-09-19 | 中冶华天南京工程技术有限公司 | Device for preparing lime milk |
-
2012
- 2012-05-23 CN CN 201220234507 patent/CN202594983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674714A (en) * | 2012-05-23 | 2012-09-19 | 中冶华天南京工程技术有限公司 | Device for preparing lime milk |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20190523 |
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| CF01 | Termination of patent right due to non-payment of annual fee |