CN213416684U

CN213416684U - Three-stage dry lime slaker

Info

Publication number: CN213416684U
Application number: CN202022138286.3U
Authority: CN
Inventors: 陈志伟; 徐曜日
Original assignee: Youbiao Environmental Protection Equipment Zhangjiagang Co ltd
Current assignee: Youbiao Environmental Protection Equipment Zhangjiagang Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-11
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a three-stage dry slaker for lime, which comprises a slaker body, two groups of clapboards are arranged in the slaker body from top to bottom, the slaker body is divided into a first-stage slaking chamber, a second-stage slaking chamber and a third-stage slaking chamber from top to bottom, U-shaped grooves are arranged in the first-stage slaking chamber, the second-stage slaking chamber and the third-stage slaking chamber, and a motor is arranged at the position, corresponding to the first-stage slaking chamber, the second-stage slaking chamber and the third-stage; this tertiary dry-type digester of lime is through setting up U type groove, including a motor, an end cap, a controller, and a cover plate, first (mixing) shaft, the second (mixing) shaft, the stirring piece, can ensure stirring piece and first (mixing) shaft, when the second (mixing) shaft is connected stably, convenient dismantlement to this ensures that the digestion material does not pile up, and improved the high efficiency of device body continuous production, through setting up purifier, conduit, the effective separation of dust steam in the digester has been realized, and the recovery of resource is recycled, thereby the practical value of device body has been improved.

Description

Three-stage dry lime slaker

Technical Field

The utility model relates to a lime slaking equipment technical field specifically is a tertiary dry-type digester of lime.

Background

The lime slaking equipment is equipment for slaking quicklime into lime milk, and the quicklime slaking is widely applied to production processes in industries such as steel sintering plants, power plants, chemical engineering, building material cement plants and the like; for example, the burning method of steel plant is lime slaking, desulfurizing system lime slaking, sewage treating calcium preparation, toothpaste, medicine preparation and other process.

The prior art has the following defects or problems:

1. the traditional three-stage dry digester has the disadvantages of uneven digestion reaction, high working strength, low efficiency and unsuitability for large-scale production and preparation due to the incapability of guaranteeing the continuous production of lime digestion.

2. A large amount of heat can be given off when the quicklime meets water, a large amount of steam dust is generated, the steam dust is large in viscosity and strong in corrosivity, and the existing purifier for the slaker is poor in effect, so that the practicability of the slaker for the lime is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tertiary dry-type digester of lime to prior art's weak point, solve the problem of mentioning among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lime three-level dry digester comprises a digester body, wherein two groups of partition plates are arranged in the digester body from top to bottom, the digester body is sequentially divided into a first-level digestion chamber, a second-level digestion chamber and a third-level digestion chamber from top to bottom, U-shaped grooves are formed in the first-level digestion chamber, the second-level digestion chamber and the third-level digestion chamber, motors are arranged at positions, close to the first-level digestion chamber, the second-level digestion chamber and the third-level digestion chamber, of the outer surface wall of the digester body, corresponding to the first-level digestion chamber, the second-level digestion chamber and the third-level digestion chamber, one side of a first stirring shaft in the first-level digestion chamber and the second-level digestion chamber is provided with a second stirring shaft in a parallel mode, stirring blades are arranged on the surfaces of the first stirring shaft and the second stirring shaft, one side of first (mixing) shaft is provided with the action wheel, one side that the second (mixing) shaft is close to the action wheel is provided with from the driving wheel, the side top of device body is provided with the feed inlet, the side bottom of device body is provided with the discharge gate, the opposite side top of device body is provided with purifier, the inside that purifier one side runs through the one-level digestion room is provided with the conveyer pipe, the upper end of conveyer pipe is provided with the dust remover, the inside of dust remover is provided with the vibrator, the conveyer pipe has set gradually fan, check valve, condenser, cross valve, the output of cross valve is close to the inside intercommunication conduit of one-level digestion room, second grade digestion room, conduit's lower wall is provided with.

As the utility model discloses an optimized technical scheme, the quantity of baffle is two sets of, the drain hole has been seted up to the baffle, and the drain hole is located the direction one side that lime flows.

As the utility model discloses an optimized technical scheme, U type groove has all been seted up in one-level digestion room, second grade digestion room, the tertiary digestion room, U type groove adopts 304 stainless steel.

As the utility model discloses a preferred technical scheme, the motor adopts the inverter, motor and reduction gear hookup.

As the utility model discloses a preferred technical scheme, one-level digestion room, second grade digestion room adopt the biax form, tertiary digestion room adopts the unipolar form, the shape of stirring piece is fan-shaped, and quantity is a plurality of groups, the quantity of stirring piece is the same with fastening bolt.

As the utility model discloses a preferred technical scheme, first (mixing) shaft all is provided with the bearing with the outside that the second (mixing) shaft is close to the device body, first (mixing) shaft and action wheel fixed connection, the second (mixing) shaft with from driving wheel fixed connection, the action wheel is connected with meshing from the driving wheel.

As the utility model discloses an optimal technical scheme, purifier is located the side top of device body, the shape of conveyer pipe is the U type, the quantity of vibrator is two sets of, the vibrator equidistance distributes both sides in the dust remover, the conveyer pipe communicates fan, check valve, condenser, cross valve in proper order.

As the utility model discloses a preferred technical scheme, the cross valve is four ports, and communicates with conveyer pipe, conduit, outside water source respectively, conduit's quantity is two sets of, and is located the last table wall of one-level digestion room and second grade digestion room, the quantity of nozzle is a plurality of groups, the nozzle adopts the hollow awl shower nozzle of stainless steel rotary-cut.

Compared with the prior art, the utility model provides a tertiary dry-type digester of lime possesses following beneficial effect:

1. the lime three-stage dry digester is characterized in that a U-shaped groove, a motor, a first stirring shaft, a second stirring shaft and stirring blades are arranged, when the device body is used, a first stirring shaft and a second stirring shaft are adopted for the first-stage digestion chamber and the second-stage digestion chamber to stir in a double-shaft mode, a single-shaft stirring mode is adopted for the third-stage digestion chamber, meanwhile, the motor adopts a frequency conversion type, can flexibly adjust the rotating speeds of the first stirring shaft and the second stirring shaft under the regulation and control of the speed reducer, realizes the smoothness of the first stirring shaft and the second stirring shaft on lime stirring in the U-shaped groove, and ensures that the output of the next stage is greater than that of the previous stage, in addition, under the matching of the fastening bolt and the stirring sheet, the stability of the connection of the stirring sheet and the first stirring shaft and the second stirring shaft can be ensured, still convenient dismantlement, easy operation to this ensures that the digestion material does not pile up, and has improved the high efficiency of device body continuous production.

2. This tertiary dry-type digester of lime, through setting up purifier, water pipeline, when the use device body, when water through nozzle spun mixes with lime, and at first (mixing) shaft, under the effect of second (mixing) shaft stirring, can produce the steam dust, the accessible starts the fan, inhale the conveyer pipe with this internal dust of device and steam, dust remover through on the conveyer pipe first stage can be under the effect of vibrator, with dust and steam separation, make the dust that bonds on the dust remover fall into this internal recovery of device and recycle, can condense steam into water through the condenser after that, and carry to the nozzle in through water pipeline, in order to supply lime digestion to further utilize. Thereby realized the effective separation of digester dust steam, and the recovery of resource is recycled to the practical value of device body has been improved.

Drawings

FIG. 1 is a plan sectional view of the device body of the present invention;

fig. 2 is a top cross-sectional view of the present invention;

fig. 3 is a left side view of the present invention;

FIG. 4 is a schematic structural view of the purification device of the present invention;

fig. 5 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: 1. a device body; 2. a partition plate; 3. a primary digestion chamber; 4. a secondary digestion chamber; 5. A third-stage digestion chamber; 6. a U-shaped groove; 7. a motor; 8. a speed reducer; 9. a first stirring shaft; 10. A second stirring shaft; 11. a stirring sheet; 12. fastening a bolt; 13. a driving wheel; 14. a driven wheel; 15. a feed inlet; 16. a discharge port; 17. a purification device; 18. a delivery pipe; 19. a dust remover; 20. a vibrator; 21. a fan; 22. a one-way valve; 23. a condenser; 24. a four-way valve; 25. A water delivery pipeline; 26. and (4) a nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in this embodiment: a lime three-level dry digester comprises a digester body 1, two groups of partition plates 2 are arranged in the digester body 1 from top to bottom, the digester body 1 is divided into a first-level digestion chamber 3, a second-level digestion chamber 4 and a third-level digestion chamber 5 from top to bottom in sequence, U-shaped grooves 6 are arranged in the first-level digestion chamber 3, the second-level digestion chamber 4 and the third-level digestion chamber 5, a motor 7 is arranged at a position, close to the first-level digestion chamber 3, the second-level digestion chamber 4 and the third-level digestion chamber 5, of the outer wall of the digester body 1, a speed reducer 8 is arranged on one side of the motor 7 in a linkage manner, an end shaft of the speed reducer 8 is connected with a first stirring shaft 9 and extends to the outer wall of the other side of the digester body 1, a second stirring shaft 10 is arranged in parallel with one side of the first stirring shaft 9, stirring piece 11 corresponds inside hookup fastening bolt 12, one side of first (mixing) shaft 9 is provided with action wheel 13, one side that second (mixing) shaft 10 is close to action wheel 13 is provided with from driving wheel 14, the side top of device body 1 is provided with feed inlet 15, the side bottom of device body 1 is provided with discharge gate 16, the opposite side top of device body 1 is provided with purifier 17, purifier 17 one side is run through the inside of one-level digestion room 3 and is provided with conveyer pipe 18, the upper end of conveyer pipe 18 is provided with dust remover 19, the inside of dust remover 19 is provided with vibrator 20, conveyer pipe 18 pipeline has set gradually fan 21, check valve 22, condenser 23, four-way valve 24, the output of four-way valve 24 is close to one-level digestion room 3, the inside intercommunication conduit 25 of second grade digestion room 4, the lower wall.

In the embodiment, the number of the partition plates 2 is two, and the partition plates 2 are provided with the material leakage ports which are positioned on one side of the lime flowing direction and can be used for discharging lime materials after multi-layer digestion; u-shaped grooves 6 are formed in the first-stage digestion chamber 3, the second-stage digestion chamber 4 and the third-stage digestion chamber 5, and the U-shaped grooves 6 are made of 304 stainless steel materials and can prevent equipment from being corroded and stuck in the digestion process; the motor 7 adopts a frequency conversion type, the motor 7 is connected with the speed reducer 8 and can be used for adjusting the rotating speed of the first stirring shaft 9 and the second stirring shaft 10; the primary digestion chamber 3 and the secondary digestion chamber 4 are in a double-shaft form, double-shaft stirring is more beneficial to quicklime digestion, the tertiary digestion chamber 5 is in a single-shaft form and can be used for cooling slaked lime, the stirring pieces 11 are fan-shaped, the mixing effect of quicklime and water stirring can be improved, the stirring pieces 11 are in a plurality of groups, the number of the stirring pieces 11 is the same as that of the fastening bolts 12, the position stability of the stirring pieces 11 can be improved, and the disassembly and maintenance are convenient; bearings are arranged on the outer sides of the first stirring shaft 9 and the second stirring shaft 10 close to the device body 1, so that the rotation stability of the first stirring shaft 9 and the second stirring shaft 10 can be provided, the first stirring shaft 9 is fixedly connected with a driving wheel 13, the second stirring shaft 10 is fixedly connected with a driven wheel 14, the driving wheel 13 is meshed with the driven wheel 14, the investment of driving equipment can be reduced, and the driving rotation can be realized through a motor 7; the purification device 17 is positioned above the side of the device body 1, the conveying pipe 18 is U-shaped, the number of the vibrators 20 is two, the vibrators 20 are equidistantly distributed on two sides in the dust remover 19, the dust remover 19 can be used for removing dust in steam dust, the vibrators 20 can facilitate the dust to vibrate and fall off for recycling, the conveying pipe 18 is sequentially communicated with a fan 21, a one-way valve 22, a condenser 23 and a four-way valve 24, the fan 21 can be used for sucking steam dust, the one-way valve 22 can prevent the steam from flowing back, the condenser 23 can condense the steam into liquid, the four-way valve 24 can be used for connecting an external water source and recycling condensed water, and reasonable resource utilization is realized; the four-way valve 24 is four ports and is respectively communicated with the conveying pipe 18, the water conveying pipeline 25 and an external water source, the four-way valve 24 can provide water sources for the water conveying pipeline 25, the number of the water conveying pipelines 25 is two, the four-way valve is positioned on the upper surface walls of the first-stage digestion chamber 3 and the second-stage digestion chamber 4, the number of the nozzles 26 is a plurality of groups, the nozzles 26 adopt stainless steel rotary-cut hollow cone spray heads, the surface of materials can be uniformly sprayed, and the full mixing degree of quicklime is improved.

The utility model discloses a theory of operation and use flow: firstly, when the device body 1 is used, a first stirring shaft 9 and a second stirring shaft 10 are adopted in the first-stage digestion chamber 3 and the second-stage digestion chamber 4 in a double-shaft stirring mode, a single-shaft stirring mode is adopted in the third-stage digestion chamber 5, the motor 7 adopts a frequency conversion mode, the rotating speeds of the first stirring shaft 9 and the second stirring shaft 10 can be flexibly adjusted under the regulation and control of the speed reducer 8, the smoothness of the first stirring shaft 9 and the second stirring shaft 10 in the U-shaped groove 6 for lime stirring is realized, the output of the next stage is greater than that of the previous stage, in addition, under the matching of the fastening bolt 12 and the stirring sheet 11, the connection stability of the stirring sheet 11 and the first stirring shaft 9 and the second stirring shaft 10 can be guaranteed, the disassembly is also convenient, the operation is simple, the digestion materials are prevented from being accumulated, and the high efficiency of the continuous production of the; when water sprayed out through the nozzle 26 is mixed with lime and under the stirring action of the first stirring shaft 9 and the second stirring shaft 10, steam dust is generated, the fan 21 can be started to suck the dust and the steam in the device body 1 into the conveying pipe 18, the dust remover 19 on the first stage of the conveying pipe 18 can separate the dust and the steam under the action of the vibrator 20, so that the dust adhered to the dust remover 19 falls into the device body 1 to be recycled, then the steam can be condensed into water through the condenser 23 and conveyed into the nozzle 26 through the water conveying pipeline 25 to be further utilized for lime digestion. Thereby, the effective separation of dust and steam of the digester and the recycling of resources are realized, and the practical value of the device body 1 is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lime three-stage dry digester is characterized in that: comprises a device body (1), two groups of clapboards (2) are arranged in the device body (1) from top to bottom, the device body (1) is sequentially divided into a first-stage digestion chamber (3), a second-stage digestion chamber (4) and a third-stage digestion chamber (5) from top to bottom, U-shaped grooves (6) are arranged in the first-stage digestion chamber (3), the second-stage digestion chamber (4) and the third-stage digestion chamber (5), a motor (7) is arranged at a position, corresponding to the first-stage digestion chamber (3), the second-stage digestion chamber (4) and the third-stage digestion chamber (5), of the outer wall of the device body (1), one side of the motor (7) is provided with a speed reducer (8) in a linkage manner, an end shaft of the speed reducer (8) is connected with a first stirring shaft (9) and extends the other side outer wall of the device body (1), a second stirring shaft (10) is arranged in parallel with one, the surface of the first stirring shaft (9) and the surface of the second stirring shaft (10) are both provided with stirring pieces (11), the stirring pieces (11) correspond to the internal connection fastening bolts (12), one side of the first stirring shaft (9) is provided with a driving wheel (13), one side of the second stirring shaft (10) close to the driving wheel (13) is provided with a driven wheel (14), the top end of the side of the device body (1) is provided with a feeding hole (15), the bottom end of the side of the device body (1) is provided with a discharging hole (16), the top end of the other side of the device body (1) is provided with a purifying device (17), one side of the purifying device (17) penetrates through the inside of the primary digestion chamber (3) and is provided with a conveying pipe (18), the upper end of the conveying pipe (18) is provided with a dust remover (19), and the, the pipeline of the conveying pipe (18) is sequentially provided with a fan (21), a one-way valve (22), a condenser (23) and a four-way valve (24), the output end of the four-way valve (24) is close to the inside of the primary digestion chamber (3) and the secondary digestion chamber (4) and is communicated with a water conveying pipeline (25), and the lower surface wall of the water conveying pipeline (25) is provided with a nozzle (26).

2. The three stage dry lime digester as claimed in claim 1, wherein: the quantity of baffle (2) is two sets of, the drain hole has been seted up in baffle (2), and the drain hole is located the direction one side that lime flows.

3. The three stage dry lime digester as claimed in claim 1, wherein: the method comprises the following steps of; u type groove (6) have all been seted up in one-level digestion room (3), second grade digestion room (4), tertiary digestion room (5), U type groove (6) adopt 304 stainless steel.

4. The three stage dry lime digester as claimed in claim 1, wherein: the motor (7) adopts a frequency conversion type, and the motor (7) is connected with the speed reducer (8).

5. The three stage dry lime digester as claimed in claim 1, wherein: one-level digestion room (3), second grade digestion room (4) adopt the biax form, tertiary digestion room (5) adopt the unipolar form, the shape of stirring piece (11) is fan-shaped, and quantity is a plurality of groups, the quantity of stirring piece (11) is the same with fastening bolt (12).

6. The three stage dry lime digester as claimed in claim 1, wherein: the outer sides of the first stirring shaft (9) and the second stirring shaft (10) close to the device body (1) are respectively provided with a bearing, the first stirring shaft (9) is fixedly connected with a driving wheel (13), the second stirring shaft (10) is fixedly connected with a driven wheel (14), and the driving wheel (13) is meshed with the driven wheel (14).

7. The three stage dry lime digester as claimed in claim 1, wherein: purifier (17) are located the side top of device body (1), the shape of conveyer pipe (18) is the U type, the quantity of vibrator (20) is two sets of, both sides in dust remover (19) are distributed to vibrator (20) equidistance, conveyer pipe (18) communicate fan (21), check valve (22), condenser (23), cross valve (24) in proper order.

8. The three stage dry lime digester as claimed in claim 1, wherein: the four-way valve (24) is provided with four ports and is respectively communicated with the conveying pipe (18), the water conveying pipeline (25) and an external water source, the number of the water conveying pipelines (25) is two, the water conveying pipelines are positioned on the upper surface walls of the first-stage digestion chamber (3) and the second-stage digestion chamber (4), the number of the nozzles (26) is a plurality of groups, and the nozzles (26) are stainless steel rotary-cut hollow cone spray heads.