CN211871806U - High-efficient lime slaker - Google Patents
High-efficient lime slaker Download PDFInfo
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- CN211871806U CN211871806U CN202020308710.1U CN202020308710U CN211871806U CN 211871806 U CN211871806 U CN 211871806U CN 202020308710 U CN202020308710 U CN 202020308710U CN 211871806 U CN211871806 U CN 211871806U
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Abstract
The utility model provides a high-efficient lime slaker is used in electrolytic aluminum flue gas suspension separation method desulfurization system for with quick lime slaking formation hydrated lime. The high-efficiency lime slaker comprises a feeding unit and a slaking unit; the feeding unit comprises a feeding cavity, a feeding hole, a first exhaust port, a material level detection mechanism, an execution mechanism, an air supply fan and a plurality of discharge valves; the digestion unit comprises a digestion cavity, a motor, a speed reducer, an access hole, an access door, a discharge hole, a vibrator, a sealing assembly, a stirring shaft, a water adding device and a second exhaust hole. The utility model discloses high-efficient lime slaker is rational in infrastructure, convenient operation, production efficiency are high, have the ability of efficient mixing, can reduce the pressure in the quick lime slaker, improve the security, the steam pollution environment that produces when thoroughly solving quick lime slaking and the inhomogeneous problem of slaker feed.
Description
Technical Field
The utility model relates to a lime slaking technology especially relates to a high-efficient lime slaker.
Background
In the desulfurization system by the suspension separation method, C is generally adopteda(OH)2As a desulfurizing agent, but due to market procurement Ca(OH)2The price is high, so the desulfurizer generally adopts CaO and generates C after passing through a lime slakera(OH)2。
At present, a plurality of digesters are adopted, and the phenomena of incomplete digestion, low efficiency, uneven feeding and the like generally exist
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to adopt multistage digestion to present digester, and the ubiquitous digestion is not thorough, and is inefficient, and the uneven problem of feed provides a high-efficient lime digester, and this lime digester is rational in infrastructure, convenient operation, production efficiency height, has the ability of efficient mixing, can reduce the pressure in the quick lime digester, improves the security, the steam pollution environment and the inhomogeneous problem of digester feed that produce when thoroughly solving quick lime digestion.
In order to achieve the above object, the utility model adopts the following technical scheme: a high-efficiency lime slaker comprises a feeding unit and a slaking unit;
the feeding unit comprises a feeding cavity, a feeding hole, a first exhaust port, a material level detection device, an execution mechanism, an air supply fan and a plurality of discharge valves, wherein the feeding cavity is divided into a material chamber and an air chamber by breathable cloth, the feeding hole and the first exhaust port are arranged at the top of the material chamber, the material level detection device is arranged at one end, far away from the feeding hole, in the material chamber, the plurality of discharge valves are uniformly distributed at the bottom and the side of the material chamber, the execution mechanism is connected with the discharge valves, and the outlet of the air supply fan is communicated with the air chamber through a pipeline; the feeding cavity is of a chute type structure, is divided into an air chamber and a material chamber and is formed by separating breathable cloth, after materials enter the feeding cavity, the material layer height in the material chamber is ensured to be basically consistent under the action of high-pressure air in the air chamber, 2 material level meters detect material level signals, and a plurality of discharge valves are opened simultaneously, so that the materials can be uniformly added into the digestion cavity.
The digestion unit comprises a digestion cavity, a motor, a speed reducer, an access hole, an access door, a discharge hole, a vibrator, a sealing assembly, a stirring shaft, a water adding device and a second exhaust hole; a second exhaust port is arranged at the top of the digestion cavity, and a discharge port is arranged at the bottom of the digestion cavity; the top of the digestion chamber is communicated with a feeding chamber (material chamber) through discharge valves, and the side wall of the digestion chamber below each discharge valve is provided with at least one access door for checking whether a water filling port is blocked; an access hole is formed in the side wall of the digestion cavity; a stirring shaft horizontally penetrates through the digestion cavity, a sealing assembly is arranged at the position of the stirring shaft penetrating through the digestion cavity, and one end of the stirring shaft is connected with a motor through a speed reducer; and a water adding device is arranged in the digestion chamber and below the discharge valve, and the vibrator is arranged at the top of the digestion chamber. The rapping device is arranged at the top of the digestion chamber, because the digestion reaction is a heat release process, water vapor can be generated, and the water vapor and materials at the top shell and the exhaust port of the digestion chamber are easy to bond, so that the material bonding is reduced by arranging the rapping device.
Further, the number of the discharge valves is 8-16, and the distance between adjacent discharge valves is 400-500mm, preferably 450 mm.
Further, the number of the water adding devices is 20-30, and the distance between every two adjacent water adding devices is 350-450mm, preferably 400 mm.
Further, the feed inlet is arranged in the middle of the upper portion of the reactor shell, and the first exhaust port is arranged at one end, far away from the feed inlet, of the top of the material chamber.
Furthermore, the number of the access holes is two, and the two access holes are uniformly formed in the side wall of the digestion cavity and are respectively a first access hole and a second access hole. The access opening is used for inspecting digestive cavity blades.
Further, the material level detects for the material level switch, and there is the material to contact the probe rod of material level switch and can provide the signal, and material level switch position sets up at the top of feeding chamber material room, and 2 material level switches begin to the blowing in the digestion chamber when all providing the signal.
Further, the length of the digestion cavity is the same as that of the feeding cavity, and the digestion cavity and the feeding cavity correspond up and down.
The utility model discloses high-efficient lime slaker uses in electrolytic aluminum flue gas suspension separation method desulfurization system for with quick lime digestion formation hydrated lime, compare with prior art and have following advantage:
1) before the high-efficiency lime slaker digestion device of the utility model starts to digest, the quicklime is simultaneously linked by a plurality of blanking valves to convey the materials into the digestion cavity, and the feeding is uniform;
2) the high-efficiency lime slaker of the utility model has the advantages of uniform feeding, no stable reaction in the product, high reaction efficiency and stable exhaust;
3) the high-efficiency lime slaker of the utility model has a plurality of water adding devices, and the materials are evenly added through a plurality of water adding points (20-30), so that the reaction efficiency is high;
4) the high-efficiency lime slaker has high automation degree;
5) the utility model discloses whole supporting air feed system, water supply system, the control box of high-efficient lime slaker, product integrality is good.
Drawings
FIG. 1 is a front view of the high efficiency lime slaker of the present invention;
FIG. 2 is a top view of the high efficiency lime slaker of the present invention;
FIG. 3 is a left side view of the high efficiency lime slaker of the present invention;
Detailed Description
The invention is further illustrated below with reference to the following examples:
example 1
The embodiment discloses a high-efficiency lime slaker applied to a desulfurization system adopting an electrolytic aluminum flue gas suspension separation method, which has a structure shown in fig. 1-3 and comprises a feeding unit and a digestion unit, wherein the feeding unit is positioned above the digestion unit;
the feeding unit comprises a feeding cavity 2, a feeding hole 1, a first exhaust port 18, a material level detection 5, an execution mechanism 6, an air supply fan 4 and a plurality of discharge valves 7, wherein the number of the discharge valves 7 is 8-16. The feeding cavity 2 is a cuboid and is used for uniformly containing a quicklime CaO material. The feed chamber is separated into material room and air chamber from top to bottom by ventilative cloth, feed inlet 1 and first exhaust port 18 set up in 2 material room tops in feed chamber, specifically, in this embodiment feed inlet 1 sets up in the middle of 2 material room tops in feed chamber, first exhaust port 18 sets up in 2 material room tops in feed chamber and keeps away from the one end of feed inlet 1 for get rid of the gas of smuggleing secretly in the material. The material level detects 5 and sets up 2 material rooms tops in the feed cavity, keeps away from the one end of feed inlet 1, the material level detects 5 for the material level switch, and the probe rod that has the material to contact the material level switch can provide the signal, and material level switch position sets up at the top of feed cavity material room, and when 2 material level switches all provided the signal, begins to the blowing in the digestion cavity. The plurality of discharge valves 7 are uniformly distributed at the bottom of the feeding cavity 2, the actuating mechanism 6 is connected with the rotating arms of all the discharge valves 7 through a pull rod, so that the actuating mechanism 6 can open the discharge valves 7 at the same time, and the outlet of the air supply fan 4 is communicated with the air chamber through a pipeline;
the digestion unit comprises a digestion cavity 3, a motor 8, a speed reducer 9, an access hole, an access door 12, a discharge hole 13, a vibrator 14, a sealing assembly 15, a stirring shaft 16, a water adding device 17 and a second exhaust port 19; the digestion chamber 3 is a cylinder which is horizontally arranged, and the length of the digestion chamber 3 is the same as that of the feeding chamber 2 and corresponds to the feeding chamber up and down. The top of the digestion chamber 3 is provided with a second exhaust port 19, and the second exhaust port 19 is used for exhausting high-temperature water vapor. To prevent interference with the dosing chamber 2, the outlet of the second exhaust port 19 is inclined to the side facing away from the dosing chamber 2. A discharge hole 13 is formed at the bottom of the digestion cavity 3; the top of the digestion chamber is communicated with the feeding chamber 2 through a discharge valve 7, and the side wall of the digestion chamber below each discharge valve is provided with at least one access door 12; be provided with the access hole on the digestion chamber lateral wall, the access hole is two, and two access holes evenly set up on reactor shell lateral wall, are first access hole 10 and second access hole 11 respectively. A stirring shaft 16 horizontally penetrates through the digestion cavity, a sealing assembly 15 is arranged at the position where the stirring shaft 16 penetrates through the digestion cavity, and one end of the stirring shaft is connected with a motor 8 through a speed reducer 9; and water adding devices 17 are arranged in the digestion chamber and below the discharge valve 7, and the number of the water adding devices 17 is 20-30. Said rapper 14 is arranged at the top of the digestion chamber. The rapping device is arranged at the top of the digestion chamber, because the digestion reaction is a heat release process, water vapor can be generated, and the water vapor and materials at the top shell and the exhaust port of the digestion chamber are easy to bond, so that the material bonding is reduced by arranging the rapping device. The working process of the high-efficiency lime slaker of the embodiment is as follows: the quick lime CaO material enters the feeding cavity 2 through the feeding hole 1, the air supply fan 4 provides power, the material is uniformly distributed in the feeding cavity 2, the material level detection 5 detects that the material height reaches the set material level height, and the feeding of the feeding hole is stopped.
The feeding is stopped, the discharge valve 7 is opened at the same time, the discharge valve 7 is completely opened under the driving of the actuating mechanism 6, the materials uniformly enter the digestion chamber 3, the water adding device 17 starts to add water into the digestion chamber 3 at multiple points (20-30) at the same time, after the water amount reaches a set value, the stirring shaft 16 in the digestion chamber 3 starts to work under the driving of the motor 8 and the speed reducer 9, the stirring is carried out to ensure that the quicklime and the water are fully mixed and react, and Ca (OH) generated by digestion is generated after 20min2Is discharged through a discharge port 13.
Quick lime at first enters into the feed intracavity in this embodiment, treats a plurality of unloading valves in quick lime evenly distributed back, opens the feed chamber, and quick lime is even to be added into the digestion intracavity, and the process water sprays the digestion intracavity through a plurality of even injection points simultaneously, and the paddle stirring makes quick lime and water intensive mixing reaction in the digestion intracavity, generates calcium hydroxide at last, is discharged by the discharge gate.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. The high-efficiency lime slaker is characterized by comprising a feeding unit and a slaking unit;
the feeding unit comprises a feeding cavity (2), a feeding hole (1), a first exhaust port (18), a material level detection unit (5), an actuating mechanism (6), an air supply fan (4) and a plurality of discharge valves (7), wherein the feeding cavity (2) is divided into a material chamber and an air chamber by breathable cloth, the feeding hole (1) and the first exhaust port (18) are arranged at the top of the material chamber, the material level detection unit (5) is arranged at one end, far away from the feeding hole (1), of the material chamber, the plurality of discharge valves are uniformly distributed at the bottom and the side of the material chamber, the actuating mechanism (6) is connected with the discharge valves (7), and the outlet of the air supply fan (4) is communicated with the air chamber through a pipeline;
the digestion unit comprises a digestion cavity (3), a motor (8), a speed reducer (9), an access hole, an access door (12), a discharge hole (13), a vibrator (14), a sealing assembly (15), a stirring shaft (16), a water adding device (17) and a second exhaust port (19); a second exhaust port (19) is arranged at the top of the digestion cavity, and a discharge port (13) is arranged at the bottom of the digestion cavity; the top of the digestion chamber is communicated with the feeding chamber (2) through a discharge valve (7), and the side wall of the digestion chamber below each discharge valve is provided with at least one access door (12); an access hole is formed in the side wall of the digestion cavity; a stirring shaft (16) is horizontally arranged in the digestion cavity in a penetrating manner, a sealing assembly (15) is arranged at the position of the digestion cavity where the stirring shaft (16) is arranged in a penetrating manner, and one end of the stirring shaft (16) is connected with a motor (8) through a speed reducer (9); a water adding device (17) is arranged in the digestion chamber and below the discharge valve (7), and the vibrator (14) is arranged at the top of the digestion chamber.
2. The high-efficiency lime slaker according to claim 1, characterized in that the distance between adjacent discharge valves (7) is 400-500 mm.
3. The lime slaker as set forth in claim 1, wherein the distance between adjacent ones of said water adding means (17) is 350-450 mm.
4. The high efficiency lime slaker according to claim 1, characterized in that the feed inlet (1) is arranged in the middle above the reactor shell and the first exhaust opening (18) is arranged at the top of the silo at the end far from the feed inlet (1).
5. The high-efficiency lime slaker according to claim 1, wherein the number of the access openings is two, and the two access openings are uniformly arranged on the side wall of the slaking chamber.
6. The high-efficiency lime slaker according to claim 1, characterized in that the level detection (5) is a level switch arranged at the top of the feeding chamber.
7. The high efficiency lime slaker according to claim 1, characterized in that the length of the slaking chamber (3) is the same as the length of the feeding chamber (2) and corresponds above and below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020308710.1U CN211871806U (en) | 2020-03-13 | 2020-03-13 | High-efficient lime slaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020308710.1U CN211871806U (en) | 2020-03-13 | 2020-03-13 | High-efficient lime slaker |
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| CN211871806U true CN211871806U (en) | 2020-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170659A (en) * | 2020-03-13 | 2020-05-19 | 大连碧海环保设备有限公司 | High-efficient lime slaker |
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2020
- 2020-03-13 CN CN202020308710.1U patent/CN211871806U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170659A (en) * | 2020-03-13 | 2020-05-19 | 大连碧海环保设备有限公司 | High-efficient lime slaker |
| CN111170659B (en) * | 2020-03-13 | 2024-01-16 | 大连碧海环保设备有限公司 | High-efficiency lime slaker |
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