CN202898233U - Quicklime digestive system - Google Patents

Quicklime digestive system Download PDF

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Publication number
CN202898233U
CN202898233U CN 201220578661 CN201220578661U CN202898233U CN 202898233 U CN202898233 U CN 202898233U CN 201220578661 CN201220578661 CN 201220578661 CN 201220578661 U CN201220578661 U CN 201220578661U CN 202898233 U CN202898233 U CN 202898233U
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CN
China
Prior art keywords
machine
digestion
level
worm conveyor
quicklime slaking
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Expired - Fee Related
Application number
CN 201220578661
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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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Priority to CN 201220578661 priority Critical patent/CN202898233U/en
Application granted granted Critical
Publication of CN202898233U publication Critical patent/CN202898233U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model provides a quicklime digestive system. The quicklime digestive system comprises a hopper, a feeding machine, a screw conveyer and a three-level digestion machine, wherein the feeding machine is arranged below the hopper; the screw conveyer is connected below the feeding machine; a first-level digestion machine is connected to the lower end of the screw conveyer; a second-level digestion machine and a third-level digestion machine are connected below the first-level digestion machine in sequence; a water inlet pipe is arranged on the first-level digestion machine; and a feed valve, a flowmeter and a flow control valve are arranged on the water inlet pipe in sequence. By adopting the quicklime digestive system, the water inflow is adjusted, so that the water ratio of final finished product slaked lime is controlled, and quicklime is digested fluffy pulverized lime.

Description

A kind of quicklime slaking system
Technical field
The utility model relates to a kind of quicklime slaking system, particularly uses the quicklime slaking system in the flue gas desulfurization, belongs 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.
The utility model content
The purpose of this utility model provides a kind of quicklime slaking system, and 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 utility model 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.
The beneficial effects of the utility model:
1. the discharge quantity of unslaked lime is adjustable in the utility model, 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 utility model.
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 utility model is described in further detail 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.
CN 201220578661 2012-11-06 2012-11-06 Quicklime digestive system Expired - Fee Related CN202898233U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102976639A (en) * 2012-11-06 2013-03-20 镇江市电站辅机厂有限公司 Quicklime slaking system
CN103601003A (en) * 2013-11-25 2014-02-26 镇江市电站辅机厂有限公司 Ash silo discharge system
CN110715826A (en) * 2019-08-13 2020-01-21 亚洲硅业(青海)有限公司 Online lime sampling detection control system
CN112156762A (en) * 2020-10-29 2021-01-01 西安热工研究院有限公司 Spiral conveying, washing and regenerating system and method for desulfurization activated coke
CN115028377A (en) * 2022-06-17 2022-09-09 同兴环保科技股份有限公司 High-efficient digestive system of calcium oxide

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102976639A (en) * 2012-11-06 2013-03-20 镇江市电站辅机厂有限公司 Quicklime slaking system
CN103601003A (en) * 2013-11-25 2014-02-26 镇江市电站辅机厂有限公司 Ash silo discharge system
CN110715826A (en) * 2019-08-13 2020-01-21 亚洲硅业(青海)有限公司 Online lime sampling detection control system
CN110715826B (en) * 2019-08-13 2020-07-28 亚洲硅业(青海)股份有限公司 Online lime sampling detection control system
CN112156762A (en) * 2020-10-29 2021-01-01 西安热工研究院有限公司 Spiral conveying, washing and regenerating system and method for desulfurization activated coke
CN115028377A (en) * 2022-06-17 2022-09-09 同兴环保科技股份有限公司 High-efficient digestive system of calcium oxide

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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: 20130424

Termination date: 20151106

EXPY Termination of patent right or utility model