CN102976639A - Quicklime slaking system - Google Patents

Quicklime slaking system Download PDF

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Publication number
CN102976639A
CN102976639A CN2012104407709A CN201210440770A CN102976639A CN 102976639 A CN102976639 A CN 102976639A CN 2012104407709 A CN2012104407709 A CN 2012104407709A CN 201210440770 A CN201210440770 A CN 201210440770A CN 102976639 A CN102976639 A CN 102976639A
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CN
China
Prior art keywords
machine
digestion
quicklime slaking
worm conveyor
level
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Pending
Application number
CN2012104407709A
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Chinese (zh)
Inventor
虞永川
张凯
卿洪坤
郑庆喜
李叶凡
虞瑞鹤
瞿进
詹胡琴
马春花
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ZHENJIANG CITY POWER STATION AUXILIARY MACHINERY PLANT CO Ltd
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ZHENJIANG CITY POWER STATION AUXILIARY MACHINERY PLANT CO Ltd
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Application filed by ZHENJIANG CITY POWER STATION AUXILIARY MACHINERY PLANT CO Ltd filed Critical ZHENJIANG CITY POWER STATION AUXILIARY MACHINERY PLANT CO Ltd
Priority to CN2012104407709A priority Critical patent/CN102976639A/en
Publication of CN102976639A publication Critical patent/CN102976639A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a quicklime slaking system, including a hopper, a feeder, a screw conveyor, and a tertiary slaker. The feeder is arranged below the hopper. The screw conveyor is connected below the feeder. A primary slaker is connected with the lower end of the screw conveyor. A secondary slaker and the tertiary slaker are sequentially connected below the primary slaker. The primary slaker is provided with a water inlet pipe. The water inlet pipe is sequentially designed with a water feeding valve, a flow meter and a flow control valve. The system controls the moisture content of the final product slaked lime by adjusting the amount of inflow water, therefore the quicklime is slaked into fluffy lime powder.

Description

A kind of quicklime slaking system
Technical field
The present invention relates to a kind of quicklime slaking system, particularly use the quicklime slaking system in the flue gas desulfurization, belong to the technical field of flue gas desulfurization.
Background technology
Along with China's control and reduction SO 2Continuing to increase of discharging dynamics, flue gas desulfurization have entered Rapid development stage, and unslaked lime adopts churned mechanically mode to produce and produce in existing dry desulfurization and the semi-dry desulphurization.It is to add water to make calcium lime powder and water mixture slaking producing unslaked lime in stirrer that traditional mechanical stirring is carried out lime slaking, and the quicklime slaking that the method is produced is insufficient, can not reach the requirement of uniform puffy dry powder.
Summary of the invention
The purpose of this invention is to provide a kind of quicklime slaking system, native system is by regulating flooding quantity, thereby, the water ratio of final finished slaked lime is controlled, quicklime slaking is become the lime powder of puffy.
In order to solve the problems of the technologies described above, a kind of quicklime slaking of the present invention system, comprise hopper, feeding machine, worm conveyor, one-level digestion machine, described feeding machine is arranged on below the described hopper, described worm conveyor is connected to below the described feeding machine, and described one-level digestion machine is connected to described worm conveyor lower end, wherein, described one-level digestion machine is provided with water inlet pipe, is provided with feedwater valve successively on water inlet pipe, flow is taken into account flow control valve.
Above-mentioned quicklime slaking system wherein, is connected to secondary digestion machine and three grades of digestion machines on the described one-level digestion machine.
Above-mentioned quicklime slaking system wherein, is connected to fly-ash separator on the described secondary digestion machine.
Above-mentioned quicklime slaking system wherein, is provided with adapter between described one-level digestion machine and the described worm conveyor, and the two ends of described adapter are communicated with one-level digestion machine and worm conveyor respectively.
Above-mentioned quicklime slaking system, wherein, described worm conveyor is provided with weighing device, and described feeding machine is connected to frequency transformer.
Above-mentioned quicklime slaking system, wherein, described one-level digestion machine comprises housing and support, and wherein, housing is bilayer structure, forms cavity between the ectonexine, links to each other with water-cooled tube, and described water-cooled tube is provided with water intaking valve, outlet valve and water escape valve; Be provided with cavity between the inwall of described support and the outer wall, be filled with lagging material in the described cavity and form thermal insulation layer.
Above-mentioned quicklime slaking system wherein, is provided with telescopic joint between described feeding machine and the described worm conveyor, and the two ends of described telescopic joint link to each other with described feeding machine and described worm conveyor respectively.
Above-mentioned quicklime slaking system, wherein, described feeding machine is provided with frequency transformer.Because feeding machine is provided with frequency transformer, regulate the unslaked lime feeding coal thereby can regulate at any time the feeding machine rotating speed, use convenient.
Above-mentioned quicklime slaking system, wherein, described worm conveyor is provided with weighing device.Owing to establish weighing device on the worm conveyor, during feeding, can weigh to unslaked lime, the discharge quantity of the actual unslaked lime of Measurement accuracy is regulated corresponding flooding quantity, thereby unslaked lime is fully digested, and has improved the quality of finished product slaked lime.
Above-mentioned quicklime slaking system, wherein, described one-level, secondary, three grades of digestion machines are provided with temperature element.
Beneficial effect of the present invention:
1. the discharge quantity of unslaked lime is adjustable among the present invention, guarantees the digestion of unslaked lime, thereby has improved the lime quality of producing;
2. the water ratio of final product slaked lime is adjustable, is more convenient for using;
3. the setting of taking over, a large amount of hot steams and the dust adverse current that can stop unslaked lime and water Contact to produce enter screw feeder, avoid screw feeder to stop up;
4. the setting of fly-ash separator has solved the purifying treatment of the hot steam that contains dust that produces in the quicklime slaking process, has guaranteed the site environment no dust pollution, adapts to environmental requirement.
Description of drawings
Fig. 1 is system diagram of the present invention.
Fig. 2 is one-level digestion machine sectional view.
Fig. 3 is two, three grades of digestion machine sectional views.
Among the figure:
1: hopper 2: access door 3: feeding machine 4: telescopic joint
5: worm conveyor 6: threeway 7: take over 8: water inlet pipe
9: one-level digestion machine 10: 11: three grades of digestion machines 12 of secondary digestion machine: fly-ash separator
13: under meter 14: flow control valve 15: feedwater valve 16: weighing device
17: frequency transformer 18: water intaking valve 19: outlet valve 20: water escape valve
21: thermal insulation layer 22: temperature element 23: housing 24: water-cooled tube 25: support
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, 2, 3, a kind of quicklime slaking system comprises hopper 1, access door 2, feeding machine 3, worm conveyor 5, one-level digestion machine 9, and access door 2 is often opened, and just closes when system breaks down.Feeding machine 3 is arranged on below the described hopper 1 through access door 2, described worm conveyor 5 is connected to below the described feeding machine 3, one-level digestion machine 9 is connected to described worm conveyor 5 lower ends, described one-level digestion machine 9 is provided with water inlet pipe 8, on water inlet pipe 8, be provided with successively feedwater valve 15, under meter 13 and flow control valve 14, can be according to the demand regulating pondage of the water ratio of the actual dreg discharge amount of unslaked lime and final finished slaked lime; The effect of under meter 13 is the actual confluents of Measurement accuracy.Open when feedwater valve 15 puts into operation in system, system closes when stopping transport.
In order there to be the sufficient time to allow unslaked lime obtain digestion, can to digest machine 9 in one-level and be connected to secondary digestion machine 10 and three grades of digestion machines 11.Unslaked lime fully mixes with the water that has added suitable additive after entering one-level digestion machine 9, enters secondary digestion machine 10, and after secondary digestion, product is leather hard and enters three grades of cargo aircrafts 11 that disappear, and becomes puffy dry powder through three grades of digestion final finished slaked limes.The digestion reaction time of unslaked lime has been guaranteed in the setting of three grades of digestion machines 11, and unslaked lime can fully be digested.Be connected to fly-ash separator 12 on the secondary digestion machine 10, the hot steam that contains dust that produces in the quicklime slaking process can be passed through fly-ash separator 12 purifying treatment, guarantees the work on the spot environmental nonpollution.Be provided with between described one-level digestion machine 9 and the described worm conveyor 5 and take over 7, the two ends of described adapter 7 are communicated with one-level digestion machine 9 and worm conveyor 5 respectively, the height design of adapter 7 has guaranteed that a large amount of hot steams and the dust adverse current that can effectively stop unslaked lime and water Contact to produce enter screw feeder, for convenient for maintaining, can between adapter 7 and worm conveyor 5, be connected to threeway 6, threeway 6 is except normal import and export, another mouthful is access hole, at ordinary times sealing, when system breaks down maintenance, can worm conveyor 5 interior ashes be emptied by this access hole.Described worm conveyor 5 is provided with weighing device, but the discharge quantity of the actual unslaked lime of Measurement accuracy, and described feeding machine 3 is connected to frequency transformer 17, regulates the unslaked lime feeding coal thereby can regulate at any time the feeding machine rotating speed.
One-level digestion machine 9 comprises housing 23 and support 25, unslaked lime enters a large amount of hot steams of one-level digestion machine 9 and the generation of water Contact, be anti-apparatus overheat, so one-level digestion engine housing 23 bilayer structures, form cavity between the ectonexine, link to each other with water-cooled tube 24, described water-cooled tube 24 is provided with water intaking valve 18, outlet valve 19 and water escape valve 20; Be provided with cavity between the inwall of described support 25 and the outer wall, be filled with lagging material in the described cavity and form thermal insulation layer 21.Be provided with telescopic joint 4 between described feeding machine 3 and the described worm conveyor 5, the two ends of described telescopic joint 4 link to each other with described feeding machine 3 and described worm conveyor 5 respectively, and the setting of telescopic joint 4 has been avoided system rigidity to connect to maintenance bringing inconvenience.Use for convenient, can described one-level, secondary, three grades of digestion machines 9,10,11 be provided with temperature element 22.Can monitor at any time the temperature of digestion engine housing 91, thereby adjust unslaked lime and the digestion water water yield, satisfy the requirement that unslaked lime fully digests.
During work, unslaked lime through feeding machine 3, worm conveyor 5, enters one-level digestion machine 9 by hopper 1, enters secondary, three grades of digestion machines react again, thereby makes slaked lime.

Claims (10)

1. quicklime slaking system, comprise hopper, feeding machine, worm conveyor, one-level digestion machine, described feeding machine is arranged on below the described hopper, described worm conveyor is connected to below the described feeding machine, described one-level digestion machine is connected to described worm conveyor lower end, it is characterized in that described one-level digestion machine is provided with water inlet pipe, on water inlet pipe, be provided with feedwater valve successively, flow is taken into account flow control valve.
2. quicklime slaking as claimed in claim 1 system is characterized in that, is connected to secondary digestion machine and three grades of digestion machines on the described one-level digestion machine.
3. quicklime slaking as claimed in claim 1 system is characterized in that, is provided with adapter between described one-level digestion machine and the described worm conveyor, and the two ends of described adapter digest machine with one-level respectively and helical feed is communicated with.
4. quicklime slaking as claimed in claim 2 system is characterized in that, is connected to fly-ash separator on the described secondary digestion machine.
5. quicklime slaking as claimed in claim 4 system is characterized in that described one-level, secondary, three grades of digestion machines are provided with temperature element.
6. quicklime slaking as claimed in claim 1 system is characterized in that described worm conveyor is provided with weighing device, and described feeding machine is connected to frequency transformer.
7. such as claim 1,2 or 3 described quicklime slaking systems, it is characterized in that described one-level digestion machine comprises housing and support, described housing is bilayer structure, interior logical water-cooled tube, and described water-cooled tube is provided with water intaking valve, outlet valve and water escape valve; Be provided with cavity between the inwall of described support and the outer wall, be filled with lagging material in the described cavity and form thermal insulation layer.
8. quicklime slaking as claimed in claim 1 system is characterized in that be provided with telescopic joint between described feeding machine and the described worm conveyor, the two ends of described telescopic joint link to each other with described feeding machine and described worm conveyor respectively.
9. quicklime slaking as claimed in claim 1 system is characterized in that described feeding machine is provided with frequency transformer.
10. quicklime slaking as claimed in claim 1 system is characterized in that described worm conveyor is provided with weighing device.
CN2012104407709A 2012-11-06 2012-11-06 Quicklime slaking system Pending CN102976639A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103408231A (en) * 2013-06-01 2013-11-27 安徽鲁兴环保工程科技有限公司 Environment-friendly lime slaking and packaging process
CN104370101A (en) * 2013-08-13 2015-02-25 宁夏嘉翔自控技术有限公司 Automatic discharging system of electric forge furnace
CN104496204A (en) * 2014-12-25 2015-04-08 岳俊峰 Energy-saving high-performance dry-process calcium hydroxide production line
CN105541136A (en) * 2016-01-20 2016-05-04 湖州浙宝冶金辅料有限公司 Production process and system of calcium hydroxide
CN105600191A (en) * 2016-01-29 2016-05-25 江苏沃尔夫机械有限公司 Tapered dry-mixed mortar movable type material storage tank with separation-prevention device
CN105837062A (en) * 2016-03-18 2016-08-10 青岛理工大学 Environment-friendly quicklime dust recovery device and working method
CN107389165A (en) * 2017-06-08 2017-11-24 江西中氟化工有限公司 A kind of Fluorspar Powder blanking device
CN108129038A (en) * 2018-02-01 2018-06-08 江苏中建材环保研究院有限公司 A kind of rotating spraying semi-dry process flue gas desulphurization lime digestion system
CN109081613A (en) * 2018-08-29 2018-12-25 江阴市创裕机械有限公司 A kind of device systems for quicklime slaking
CN109608061A (en) * 2018-12-26 2019-04-12 南京鲁兴科技有限公司 A kind of quicklime slaking method
CN110759650A (en) * 2019-12-04 2020-02-07 中国十七冶集团有限公司 Digestion method of quicklime on pavement base
CN111072293A (en) * 2019-12-19 2020-04-28 河北博兆环保科技有限公司 Quick lime slaking equipment with dust removal function

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CN101898083A (en) * 2010-07-30 2010-12-01 福建龙净脱硫脱硝工程有限公司 Method and device for preparing dry desulfurizing agent by using carbide slag
CN102001836A (en) * 2010-12-08 2011-04-06 浙江菲达脱硫工程有限公司 Combined high-efficiency quicklime slaking device
CN202898233U (en) * 2012-11-06 2013-04-24 镇江市电站辅机厂有限公司 Quicklime digestive system

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CN102001836A (en) * 2010-12-08 2011-04-06 浙江菲达脱硫工程有限公司 Combined high-efficiency quicklime slaking device
CN202898233U (en) * 2012-11-06 2013-04-24 镇江市电站辅机厂有限公司 Quicklime digestive system

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103408231B (en) * 2013-06-01 2016-05-04 安徽鲁兴环保工程科技有限公司 A kind of environment-friendly type lime slaking and technology of the package
CN103408231A (en) * 2013-06-01 2013-11-27 安徽鲁兴环保工程科技有限公司 Environment-friendly lime slaking and packaging process
CN104370101A (en) * 2013-08-13 2015-02-25 宁夏嘉翔自控技术有限公司 Automatic discharging system of electric forge furnace
CN104496204A (en) * 2014-12-25 2015-04-08 岳俊峰 Energy-saving high-performance dry-process calcium hydroxide production line
CN104496204B (en) * 2014-12-25 2016-09-07 岳俊峰 Energy-saving and high efficient dry method calcium hydroxide production line
CN105541136A (en) * 2016-01-20 2016-05-04 湖州浙宝冶金辅料有限公司 Production process and system of calcium hydroxide
CN105600191A (en) * 2016-01-29 2016-05-25 江苏沃尔夫机械有限公司 Tapered dry-mixed mortar movable type material storage tank with separation-prevention device
CN105837062B (en) * 2016-03-18 2018-06-01 青岛理工大学 Environment-friendly quicklime dust recovery device and working method
CN105837062A (en) * 2016-03-18 2016-08-10 青岛理工大学 Environment-friendly quicklime dust recovery device and working method
CN107389165A (en) * 2017-06-08 2017-11-24 江西中氟化工有限公司 A kind of Fluorspar Powder blanking device
CN107389165B (en) * 2017-06-08 2019-06-25 江西中氟化工有限公司 A kind of Fluorspar Powder blanking device
CN108129038A (en) * 2018-02-01 2018-06-08 江苏中建材环保研究院有限公司 A kind of rotating spraying semi-dry process flue gas desulphurization lime digestion system
CN109081613A (en) * 2018-08-29 2018-12-25 江阴市创裕机械有限公司 A kind of device systems for quicklime slaking
CN109608061A (en) * 2018-12-26 2019-04-12 南京鲁兴科技有限公司 A kind of quicklime slaking method
CN110759650A (en) * 2019-12-04 2020-02-07 中国十七冶集团有限公司 Digestion method of quicklime on pavement base
CN111072293A (en) * 2019-12-19 2020-04-28 河北博兆环保科技有限公司 Quick lime slaking equipment with dust removal function

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Application publication date: 20130320