CN109437603B - System for full negative pressure calcium oxide slakes and produces calcium hydroxide - Google Patents
System for full negative pressure calcium oxide slakes and produces calcium hydroxide Download PDFInfo
- Publication number
- CN109437603B CN109437603B CN201811609519.4A CN201811609519A CN109437603B CN 109437603 B CN109437603 B CN 109437603B CN 201811609519 A CN201811609519 A CN 201811609519A CN 109437603 B CN109437603 B CN 109437603B
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- bucket elevator
- discharge hole
- fan
- discharge port
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- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000000292 calcium oxide Substances 0.000 title claims abstract description 27
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 title claims abstract description 26
- 239000000920 calcium hydroxide Substances 0.000 title claims abstract description 26
- 229910001861 calcium hydroxide Inorganic materials 0.000 title claims abstract description 26
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 14
- 230000029087 digestion Effects 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 238000002203 pretreatment Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 235000012255 calcium oxide Nutrition 0.000 description 21
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
- C04B2/04—Slaking
- C04B2/08—Devices therefor
Abstract
The invention belongs to the technical field of calcium hydroxide preparation and application, and particularly discloses a system for producing calcium hydroxide by full negative pressure calcium oxide slaking. The system for producing calcium hydroxide by digesting the negative pressure calcium oxide has the beneficial effects that: 1. the whole process adopts full negative pressure operation, so that the operation environment is clean, and the dust emission reaches the national emission standard; 2. after classification by a separator, the fineness of the finished product can be arbitrarily regulated from 200 meshes to 800 meshes.
Description
Technical Field
The invention belongs to the technical field of calcium hydroxide preparation and application, and particularly relates to a system for producing calcium hydroxide by full negative pressure calcium oxide slaking.
Background
In the prior art, the common calcium hydroxide production process is operated by positive pressure, calcium oxide is metered by an electronic belt scale and water metered by a flowmeter enters a digester together for digestion, digested Ca (OH) 2 powder is sent into a high-pressure fan by a tubular screw conveyor and a locking air valve, sent into a coarse powder separator and an analyzer for winnowing by the high-pressure fan, and fine powder with the granularity meeting the requirement is collected into a finished product storage bin by a fine powder collector. Because of positive pressure operation, the dust amount in the production process is large, and the fineness of the finished calcium hydroxide is not well regulated, which is currently needed to be solved.
Based on the problems, the invention provides a system for producing calcium hydroxide by full negative pressure calcium oxide slaking.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the invention provides a system for producing calcium hydroxide by full negative pressure calcium oxide slaking, which not only solves the environmental protection problem of the traditional positive pressure process, reduces the dust discharge, meets the national discharge requirement, but also solves the problem of the fineness classification difference of a coarse and fine powder separator in the traditional positive pressure process, so that the fineness of the finished product calcium hydroxide can be randomly regulated from 200 meshes to 800 meshes.
The technical scheme is as follows: the invention provides a system for producing calcium hydroxide by full negative pressure calcium oxide slaking, which consists of a pre-curing assembly and a separation material receiving assembly matched with the pre-curing assembly for use; the pre-curing assembly comprises a crusher arranged below a discharge hole of a belt conveyor, a first bucket elevator arranged below the discharge hole of the crusher, a storage bin arranged below the discharge hole of the first bucket elevator, a first belt scale arranged below the discharge hole of the storage bin, a first fan lock arranged below the discharge hole of the first belt scale, a pre-curing device arranged below the discharge hole of the first fan lock, a water tank connected with the pre-curing device, wherein a water pump, a flowmeter, a curing device connected with the discharge hole of the pre-curing device, a first dust remover arranged on the curing device, a first air compressor, a first fan and a second fan lock respectively connected with the first dust remover are arranged on a water pipe connected with the pre-curing device and the water tank; the separating and receiving assembly comprises a second bucket elevator arranged at a discharge port of the second bucket elevator, a third bucket elevator arranged below the discharge port of the second bucket elevator, a separator arranged below the discharge port of the third bucket elevator, a first screw conveyor connected with the separator, a second dust remover arranged on the first screw conveyor, a second air compressor connected with the second dust remover respectively, a second fan, a fourth bucket elevator arranged below the discharge port of the first screw conveyor, a finished product bucket elevator arranged below the discharge port of the fourth bucket elevator, and a finished product bin arranged below the discharge port of the finished product bucket elevator.
According to the technical scheme, the system for producing calcium hydroxide by negative pressure calcium oxide slaking further comprises a third dust remover connected with the crusher, a collecting hopper arranged below a discharge port of the finished product bucket elevator, and a warehouse side bulk machine connected with the collecting hopper, wherein the discharge ports of the storing bin, the finished product bin and the collecting hopper are respectively provided with a manual gate valve.
According to the technical scheme, the system for producing calcium hydroxide by full negative pressure calcium oxide slaking further comprises a fifth lock fan arranged below a discharge hole of the separator, a second spiral conveyor arranged below the discharge hole of the fifth lock fan, a coarse powder bucket elevator arranged below the discharge hole of the second spiral conveyor, a coarse powder bin arranged below the discharge hole of the coarse powder bucket elevator, a second belt scale arranged below the discharge hole of the coarse powder bin, a ball mill arranged below the discharge hole of the second belt scale, a sixth lock fan arranged below the discharge hole of the ball mill, and a third spiral conveyor arranged below the discharge hole of the sixth lock fan, wherein a feed inlet of the second bucket elevator is arranged below the discharge hole of the third spiral conveyor, and a manual gate valve is arranged at the discharge hole of the coarse powder bin.
According to the technical scheme, the structure of the pre-treatment device is a horizontal single-shaft multi-blade stirring device, all stirring blades are spirally arranged around a main shaft, and under the condition that the blades with special structures are fully stirred, calcium oxide and water undergo strong chemical reaction, and the residence time of materials in the device is adjusted through frequency conversion and speed regulation.
According to the technical scheme, the curing device is used for sufficiently stirring the materials which are not completely digested in the pre-treatment device to accelerate digestion, a supplementary water inlet is formed in the feeding hole of the curing device, and whether water needs to be added or not is determined according to the digestion degree of the materials during operation.
Compared with the prior art, the system for producing the calcium hydroxide by slaking the negative pressure calcium oxide has the beneficial effects that: 1. the whole process adopts full negative pressure operation, so that the operation environment is clean, and the dust emission reaches the national emission standard; 2. after classification by a separator, the fineness of the finished product can be arbitrarily regulated from 200 meshes to 800 meshes.
Drawings
FIG. 1 is a schematic flow diagram of a system for producing calcium hydroxide by negative pressure calcium oxide slaking of the invention.
Detailed Description
The invention is further elucidated below in connection with the drawings and the specific embodiments.
Example 1
The system for producing calcium hydroxide by full negative pressure calcium oxide slaking as shown in fig. 1 comprises a pre-slaking component and a separation material receiving component matched with the pre-slaking component; the pre-curing assembly comprises a crusher 2 arranged below a discharge port of a belt conveyor 1, a first bucket elevator 4 arranged below the discharge port of the crusher 2, a storage bin 5 arranged below the discharge port of the first bucket elevator 4, a first belt scale 6 arranged below the discharge port of the storage bin 5, a first fan locking 7 arranged below the discharge port of the first belt scale 6, a pre-curing device 8 arranged below the discharge port of the first fan locking 7, and a water tank 9 connected with the pre-curing device 8, wherein a water pump 11, a flow meter 10, a curing device 12 connected with the discharge port of the pre-curing device 8, a first dust remover 14 arranged on the curing device 12, a first air compressor 16 and a first fan 15 respectively connected with the first dust remover 14, and a second fan locking device 13 arranged below the discharge port of the curing device 12 are arranged on a water pipe connected with the pre-curing device 8; the separating and receiving assembly comprises a second bucket elevator 17 arranged at a discharge port of the second bucket elevator 13, a third bucket elevator 19 arranged below the discharge port of the second bucket elevator 17, a separator 18 arranged below the discharge port of the third bucket elevator 19, a first screw conveyor 28 connected with the separator 18, a second dust remover 29 arranged on the first screw conveyor 28, a second air compressor 30 and a second fan 31 respectively connected with the second dust remover 29, a fourth bucket elevator 32 arranged below the discharge port of the first screw conveyor 28, a finished product bucket elevator 33 arranged below the discharge port of the fourth bucket elevator 32, and a finished product bin 34 arranged below the discharge port of the finished product bucket elevator 33.
Example two
The system for producing calcium hydroxide by full negative pressure calcium oxide slaking as shown in fig. 1 comprises a pre-slaking component and a separation material receiving component matched with the pre-slaking component; the pre-curing assembly comprises a crusher 2 arranged below a discharge port of a belt conveyor 1, a first bucket elevator 4 arranged below the discharge port of the crusher 2, a storage bin 5 arranged below the discharge port of the first bucket elevator 4, a first belt scale 6 arranged below the discharge port of the storage bin 5, a first fan locking 7 arranged below the discharge port of the first belt scale 6, a pre-curing device 8 arranged below the discharge port of the first fan locking 7, and a water tank 9 connected with the pre-curing device 8, wherein a water pump 11, a flow meter 10, a curing device 12 connected with the discharge port of the pre-curing device 8, a first dust remover 14 arranged on the curing device 12, a first air compressor 16 and a first fan 15 respectively connected with the first dust remover 14, and a second fan locking device 13 arranged below the discharge port of the curing device 12 are arranged on a water pipe connected with the pre-curing device 8; the separating and collecting assembly comprises a second bucket elevator 17 arranged at the discharge port of the second bucket elevator 13, a third bucket elevator 19 arranged below the discharge port of the second bucket elevator 17, a separator 18 arranged below the discharge port of the third bucket elevator 19, a first screw conveyor 28 connected with the separator 18, a second dust remover 29 arranged on the first screw conveyor 28, a second air compressor 30 and a second fan 31 respectively connected with the second dust remover 29, a fourth bucket elevator 33 arranged below the discharge port of the first screw conveyor 28, a finished product bin 34 arranged below the discharge port of the fourth bucket elevator 32, a third dust remover 3 arranged below the discharge port of the finished product bucket elevator 33, a hopper 35 arranged below the discharge port of the crusher 2, and a warehouse side bulk collector 36 connected with the collecting hopper 35, wherein the discharge ports of the storage bin 5, the finished product bin 34 and the hopper 35 are respectively provided with a hand brake.
Example III
The system for producing calcium hydroxide by full negative pressure calcium oxide slaking as shown in fig. 1 comprises a pre-slaking component and a separation material receiving component matched with the pre-slaking component; the pre-curing assembly comprises a crusher 2 arranged below a discharge port of a belt conveyor 1, a first bucket elevator 4 arranged below the discharge port of the crusher 2, a storage bin 5 arranged below the discharge port of the first bucket elevator 4, a first belt scale 6 arranged below the discharge port of the storage bin 5, a first fan locking 7 arranged below the discharge port of the first belt scale 6, a pre-curing device 8 arranged below the discharge port of the first fan locking 7, and a water tank 9 connected with the pre-curing device 8, wherein a water pump 11, a flow meter 10, a curing device 12 connected with the discharge port of the pre-curing device 8, a first dust remover 14 arranged on the curing device 12, a first air compressor 16 and a first fan 15 respectively connected with the first dust remover 14, and a second fan locking device 13 arranged below the discharge port of the curing device 12 are arranged on a water pipe connected with the pre-curing device 8; the separating and collecting assembly comprises a second bucket elevator 17 arranged at the discharge port of a second lock fan 13, a third lock fan 19 arranged below the discharge port of the second bucket elevator 17, a separator 18 arranged below the discharge port of the third lock fan 19, a first screw conveyor 28 connected with the separator 18, a second dust remover 29 arranged on the first screw conveyor 28, a second air compressor 30 and a second fan 31 respectively connected with the second dust remover 29, a fourth lock fan 32 arranged below the discharge port of the first screw conveyor 28, a finished product bucket elevator 33 arranged below the discharge port of the fourth lock fan 32, a finished product bin 34 arranged below the discharge port of the finished product bucket elevator 33, a third dust remover 3 connected with the crusher 2, and a hopper 35 arranged below the discharge port of the finished product bucket elevator 33, and a warehouse-side bulk machine 36 connected with the collection hopper 35, wherein the discharge ports of the storage warehouse 5, the finished product warehouse 34 and the collection hopper 35 are respectively provided with a manual gate valve, a fifth lock fan 20 arranged below the discharge port of the separator 18, a second screw conveyor 21 arranged below the discharge port of the fifth lock fan 20, a coarse powder bucket elevator 22 arranged below the discharge port of the second screw conveyor 21, a coarse powder warehouse 23 arranged below the discharge port of the coarse powder bucket elevator 22, a second belt scale 24 arranged below the discharge port of the coarse powder warehouse 23, a ball mill 25 arranged below the discharge port of the second belt scale 24, a sixth lock fan 26 arranged below the discharge port of the ball mill 25, and a third screw conveyor 27 arranged below the discharge port of the sixth lock fan 26, wherein the feed port of the second bucket elevator 17 is arranged below the discharge port of the third screw conveyor 27, the discharge port of the coarse powder bin 23 is provided with a manual gate valve.
The system for producing calcium hydroxide by full negative pressure calcium oxide slaking in the first embodiment or the second embodiment or the third embodiment of the structure is characterized in that the structure form of the pre-treating device is a horizontal single-shaft multi-blade stirring device, all stirring blades are spirally arranged around a main shaft, under the condition that the blades with special structures are fully stirred, calcium oxide and water are subjected to strong chemical reaction, and the residence time of materials in the machine is regulated through frequency conversion and speed regulation; the structure form and the characteristics of the curing device are basically the same as those of the pre-device, but the effective working volume of the curing device is about 4-5 times of that of the pre-device, so that the digestion effect can be enhanced when the device and the pre-device are used together, the materials which are not completely digested in the pre-device can be fully stirred to accelerate digestion, a supplementary water inlet is also arranged at the feed inlet of the device, and whether water is needed to be added is determined according to the digestion degree of the materials during operation.
In the system for producing calcium hydroxide by full negative pressure calcium oxide digestion in the first embodiment or the second embodiment or the third embodiment of the present structure, a large amount of heat is generated in the process of decomposing calcium oxide into desulfurizing agent and sewage treating agent, and a large amount of steam and dust are generated in the pre-treating device and the curing device. The concentration of dust and water vapor in the pre-converter and the curing device is quite large, the working condition is quite bad, and the main manifestation is: the dust-containing concentration in the water vapor is high, the temperature is high, the humidity is high, the alkalinity is strong, and the internal equipment of the first dust remover, especially cloth bags, cage bones and the like, must be alkali-proof, moisture-proof, high-temperature-resistant and corrosion-resistant.
The system for producing calcium hydroxide by full negative pressure calcium oxide slaking in the first embodiment or the second embodiment or the third embodiment of the structure adopts an improved 0-sepa powder selecting machine, which is representative advanced powder selecting equipment developed internationally, and the working principle is as follows: the 0-sepa powder separator mainly comprises a shell similar to a double air inlet cyclone, a rotor with vortex blades and a transmission device, wherein the powder separator is operated under negative pressure, air flows respectively enter a volute from a primary air pipe and a secondary air pipe, enter a powder separation area through guide blades, a balanced and stable horizontal rotating vortex annular area is formed under the action of the rotating vortex blades and a horizontal partition plate, materials are fed by a chute and are scattered to a buffer plate under the action of centrifugal force of a scattering disc, then fall into the annular powder separation area, particles with different particle sizes are continuously separated by the vortex blades of the rotor from top to bottom under the action of centrifugal force and the centrifugal force in the powder separation area, qualified fine powder is taken away by the air from an air outlet pipe through the vortex blades, the coarse powder enters a lower ash hopper downwards, and is repeatedly separated by virtue of a unique structure, and each time of separation is completed according to definite balance force, so that the materials stay in the powder separation area are quite long.
In the system for producing calcium hydroxide by full negative pressure calcium oxide digestion in the first embodiment or the second embodiment or the third embodiment of the structure, raw lime is crushed to be smaller than 10 mm by a ring hammer crusher, is sent into a lime bin by a bucket elevator, flows into an electronic metering belt scale and water metered by a flowmeter, enters a pre-converter together, flows into a slaker for further digestion by the pre-digested material, so that calcium lime is digested into Ca (OH) 2 powder, is sent to a separator by a buried scraper machine and the bucket elevator, is subjected to winnowing by the separator, and is subjected to fine powder with the granularity meeting the requirement, and is collected by the fine powder separator and then sent to a finished product storage bin of the buried scraper machine; the fine powder with unqualified granularity separated by the separator enters the mill, is ground and returns to the separator for circular separation, a large amount of heat and water vapor generated by the slaking of quicklime are discharged into the atmosphere after reaching the national discharge requirement after being dedusted by an air duct at the upper part of the slaker, and an air blocking device is arranged at the upper part of the pre-expander to ensure that the vapor in the system is isolated from the outside, thereby forming negative pressure operation in the system and ensuring the clean operation environment.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (2)
1. A system for producing calcium hydroxide by full negative pressure calcium oxide slaking is characterized in that: the device consists of a pre-curing assembly and a separation and material receiving assembly matched with the pre-curing assembly for use; the pre-treatment curing assembly comprises a crusher (2) arranged below a discharge hole of a belt conveyor (1), a first bucket elevator (4) arranged below the discharge hole of the crusher (2), a storage bin (5) arranged below the discharge hole of the first bucket elevator (4), a first belt scale (6) arranged below the discharge hole of the storage bin (5), a first fan (7) arranged below the discharge hole of the first belt scale (6), a pre-treatment device (8) arranged below the discharge hole of the first fan (7), a water tank (9) connected with the pre-treatment device (8), a water pump (11), a flowmeter (10) arranged on a water pipe connected with the water tank (9) of the pre-treatment device (8), a curing device (12) connected with the discharge hole of the pre-treatment device (8), a first air compressor (16) arranged on the curing device (12), a first fan (15) connected with the first air compressor (14), and a second air fan (13) arranged below the second fan (12) respectively; the separating and receiving assembly comprises a second bucket elevator (17) arranged at a discharge port of the second bucket elevator (13), a third bucket elevator (19) arranged below the discharge port of the second bucket elevator (17), a separator (18) arranged below the discharge port of the third bucket elevator (19), a first screw conveyor (28) connected with the separator (18), a second dust remover (29) arranged on the first screw conveyor (28), a second air compressor (30) and a second fan (31) respectively connected with the second dust remover (29), a fourth bucket elevator (32) arranged below the discharge port of the first screw conveyor (28), a finished product bucket elevator (33) arranged below the discharge port of the fourth bucket elevator (32), and a finished product bin (34) arranged below the discharge port of the finished product bucket elevator (33);
the device also comprises a third dust remover (3) connected with the crusher (2), a collecting hopper (35) arranged below a discharge hole of the finished product bucket elevator (33), and a warehouse-side bulk machine (36) connected with the collecting hopper (35), wherein the discharge holes of the storing bin (5), the finished product bin (34) and the collecting hopper (35) are respectively provided with a manual gate valve; the device further comprises a fifth locking fan (20) arranged below a discharge hole of the separator (18), a second spiral conveyer (21) arranged below the discharge hole of the fifth locking fan (20), a coarse powder bucket elevator (22) arranged below the discharge hole of the second spiral conveyer (21), a coarse powder bin (23) arranged below the discharge hole of the coarse powder bucket elevator (22), a second belt scale (24) arranged below the discharge hole of the coarse powder bin (23), a ball mill (25) arranged below the discharge hole of the second belt scale (24), a sixth locking fan (26) arranged below the discharge hole of the ball mill (25), and a third spiral conveyer (27) arranged below the discharge hole of the sixth locking fan (26), wherein the feed hole of the second bucket elevator (17) is arranged below the discharge hole of the third spiral conveyer (27), and the discharge hole of the coarse powder bin (23) is provided with a manual gate valve;
the structure of the pre-treating device (8) is a horizontal single-shaft multi-blade stirring device, all stirring blades are spirally arranged around a main shaft, under the condition that the blades are fully stirred, calcium oxide and water undergo strong chemical reaction, and the residence time of materials in the device is regulated through variable frequency speed regulation.
2. The system for producing calcium hydroxide by full negative pressure calcium oxide slaking according to claim 1, wherein: the curing device (12) is used for sufficiently stirring the materials which are not completely digested in the pre-treatment device (8) to accelerate digestion, a supplementary water inlet is arranged at the feed inlet of the curing device (12), and whether water needs to be added or not is determined according to the digestion degree of the materials during operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609519.4A CN109437603B (en) | 2018-12-27 | 2018-12-27 | System for full negative pressure calcium oxide slakes and produces calcium hydroxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609519.4A CN109437603B (en) | 2018-12-27 | 2018-12-27 | System for full negative pressure calcium oxide slakes and produces calcium hydroxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109437603A CN109437603A (en) | 2019-03-08 |
| CN109437603B true CN109437603B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811609519.4A Active CN109437603B (en) | 2018-12-27 | 2018-12-27 | System for full negative pressure calcium oxide slakes and produces calcium hydroxide |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09227121A (en) * | 1995-12-18 | 1997-09-02 | Yoshizawa Sekkai Kogyo Kk | Production of fine powdery calcium hydroxide and device therefor |
| CN101229960A (en) * | 2007-12-07 | 2008-07-30 | 张家港市新中环保设备有限公司 | Lime carbonate slaking apparatus |
| CN203222551U (en) * | 2013-03-22 | 2013-10-02 | 周政 | Flexible multifunctional production equipment for calcium hydroxide |
| CN203639349U (en) * | 2013-12-30 | 2014-06-11 | 付金华 | Environmental-friendly energy-saving program control automatic lime kiln |
| CN104496204A (en) * | 2014-12-25 | 2015-04-08 | 岳俊峰 | Energy-saving high-performance dry-process calcium hydroxide production line |
| CN204325148U (en) * | 2014-12-25 | 2015-05-13 | 岳俊峰 | Energy-saving and high efficient dry method calcium hydroxide production line |
-
2018
- 2018-12-27 CN CN201811609519.4A patent/CN109437603B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09227121A (en) * | 1995-12-18 | 1997-09-02 | Yoshizawa Sekkai Kogyo Kk | Production of fine powdery calcium hydroxide and device therefor |
| CN101229960A (en) * | 2007-12-07 | 2008-07-30 | 张家港市新中环保设备有限公司 | Lime carbonate slaking apparatus |
| CN203222551U (en) * | 2013-03-22 | 2013-10-02 | 周政 | Flexible multifunctional production equipment for calcium hydroxide |
| CN203639349U (en) * | 2013-12-30 | 2014-06-11 | 付金华 | Environmental-friendly energy-saving program control automatic lime kiln |
| CN104496204A (en) * | 2014-12-25 | 2015-04-08 | 岳俊峰 | Energy-saving high-performance dry-process calcium hydroxide production line |
| CN204325148U (en) * | 2014-12-25 | 2015-05-13 | 岳俊峰 | Energy-saving and high efficient dry method calcium hydroxide production line |
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| CN109437603A (en) | 2019-03-08 |
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