CN215964824U - Lime separation device - Google Patents

Abstract

The utility model discloses a lime separation device, which comprises a closed barrel, wherein a cavity is arranged in the barrel, a blocking column is fixed at the inner top in the barrel, a conical funnel is arranged below the blocking column, the wall edge of a large-diameter introducing port of the conical funnel is fixedly connected with the inner wall of the barrel, and the cavity of the barrel is divided into an upper cavity and a lower cavity; a feed inlet is formed in the side wall of the upper end of the cylinder body, the feed inlet is aligned with the side wall of the blocking column, and a first discharge pipe is communicated with the other side wall of the cylinder body; the improved automatic discharging device is characterized in that a high-pressure air inlet is formed in the side wall of the lower end of the barrel body, a second discharging pipe is coaxially communicated with the high-pressure air inlet and extends out of the barrel body and is communicated with a pipeline, located outside the barrel body, of the first discharging pipe, and a filter screen is arranged at the inlet end of the first discharging pipe. The lime separation device can perform secondary coarse-fine separation on lime, and has good separation quality and high efficiency; the whole structure is simple, and the practicability is high.

Description

Lime separation device

Technical Field

The utility model relates to the technical field of lime processing equipment, in particular to a lime separation device.

Background

The dry desulfurization is one of the main processes of flue gas desulfurization, and has the advantages of low investment, small occupied area, water saving, energy saving, no wastewater discharge and the like. The main structures of the dry desulfurization process comprise an absorbent bin, an absorption tower, a bag-type dust remover and the like, wherein slaked lime is usually used as the absorbent for desulfurization, and the absorbent is stored in the absorbent bin. And slaked lime used by a part of desulfurization factories is digested by outsourcing quicklime in a plant digestion station, then is conveyed to an absorbent bin for storage, and then is added into an absorption tower according to the requirement of each set of desulfurization device. One part of manufacturers directly purchases slaked lime or carbide slag as a dry desulphurization absorbent.

Part of desulfurization using factories are limited by absorbent sources or cost considerations and the like, most desulfurization uses absorbent with quality lower than that of dry desulfurization, and the absorbent with low quality is often doped with more coarse particle impurities. In addition, desulfurization manufacturers are unaware of the damage of low quality absorbents to dry desulfurization equipment. The quality of the absorbent not only affects the flue gas desulfurization efficiency, but also directly affects the service life of the absorption tower, so that the operation, maintenance and management cost of the whole desulfurization is increased, and therefore, the quality requirement of the source absorption tower is one of the necessary conditions of the dry desulfurization process.

Most of the prior market adopts a vibrating screen for separation, but the vibrating screen can block materials through screen holes after working for a long time, has noise and dust pollution and has larger limitation; comprehensively considering the phenomenon that part of desulfurization manufacturers in China use low-quality absorbent, the source process equipment of the absorbent needs to be optimized so as to better separate the coarse lime and the fine lime.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lime separation device which can effectively perform lime thickness separation and has good separation quality.

In order to achieve the purpose, the utility model provides the following technical scheme:

a lime separation device comprises a closed barrel, wherein a cavity is arranged in the barrel, a blocking column is arranged in the cavity and fixed on the inner surface of the top of the barrel, the blocking column and the barrel are coaxially arranged, a conical funnel is arranged below the blocking column, a large-diameter leading-in port of the conical funnel is arranged upwards, the wall edge of the leading-in port of the conical funnel is fixedly connected with the inner wall of the barrel and divides the cavity of the barrel into an upper cavity and a lower cavity, the blocking column is positioned in the upper cavity, a leading-out port of the conical funnel is communicated with the lower cavity, and the diameter of the leading-in port of the conical funnel is larger than that of the leading-out port;

a feeding hole is formed in the side wall of the upper end of the barrel body and is communicated with the upper chamber, a first discharging pipe communicated with the upper chamber is arranged on the barrel wall of the barrel body on the side opposite to the feeding hole, and the first discharging pipe extends outwards from the barrel body; be equipped with the high pressure air inlet with the cavity of resorption intercommunication on the barrel lower extreme lateral wall, high pressure air inlet is located cone hopper's below, the below of first discharging pipe is provided with the second discharging pipe, the exit end and the 5 intercommunications of first discharging pipe of second discharging pipe, entrance point and the cavity of resorption 112 intercommunication of barrel 1, the entrance point of second discharging pipe is equipped with the filter screen, the filter screen parcel the import of second discharging pipe is fixed in on the inner wall of the cavity of resorption of barrel.

Specifically, conical hopper embraces first half week funnel and the second half week funnel that sets up including relatively, conical hopper's introducing port is formed by the major diameter open end concatenation of first half week funnel and second half week funnel, the minor diameter export of second half week funnel is located the below of the minor diameter export of first half week funnel, and the minor diameter export of first half week funnel is located the top of second half week funnel lower part headwall, conical hopper's export is constituteed by the minor diameter export of first half week funnel and the minor diameter export of second half week funnel.

Specifically, an air outlet pipeline communicated with the high-pressure air inlet is horizontally arranged in the lower cavity of the cylinder, and the outlet end of the air outlet pipeline is close to the outlet of the conical funnel.

Specifically, the air outlet of the air outlet pipeline is a conical opening with the diameter decreasing from the large diameter to the small diameter.

Specifically, the cylinder body comprises an upper cover, a cylinder body and a base, the upper cover, the cylinder body and the base are detachably connected to form a closed body, and the top surface of the blocking column is fixedly connected with the upper cover into a whole.

Specifically, the base is provided with an inwards-sunken groove.

Compared with the prior art, the utility model has the beneficial effects that: according to the lime separation device, the blocking column is arranged in the upper cavity of the cylinder body, the conical hopper is arranged in the lower cavity, thick lime and thin lime are fed in from the feeding hole by high pressure, the thick lime is blocked by the blocking column, the thin lime is fed out from the first discharging pipe, and primary separation is carried out; the coarse lime blocked by the blocking column falls from the conical funnel, meanwhile, part of fine lime falls down together, the falling lime is blown out to the second discharge pipe by high-pressure gas entering through the high-pressure gas inlet, a filter screen is arranged at the inlet end of the second discharge pipe for filtering the coarse lime, and the fine lime is sent out from the second discharge pipe through the filter screen, so that the lime is treated twice; the device has good separation effect and high separation efficiency by carrying out secondary thickness separation on lime; in addition, this device simple structure, convenient operation still can retrieve coarse lime, and the practicality is higher.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

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

FIG. 3 is a combination diagram of the present invention.

In the figure: 1. a barrel; 2. a blocking post; 3. a conical funnel; 4. a feed inlet; 5. a first discharge pipe; 6. A high pressure air inlet; 7. a second discharge pipe; 8. an air outlet pipe; 9. a filter screen; 11. a chamber; 111. an upper chamber; 112. a lower chamber; 12. an upper cover; 13. a barrel body; 14. a base; 15. a groove; 31. a first half-round funnel; 32. the second half-cycle funnel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently attached, removably attached, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Further, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply specific orientations, and thus, the present invention is not to be construed as being limited.

Referring to fig. 1-3, the utility model discloses a lime separation device, which includes a closed cylinder 1, a cavity 11 is provided inside the cylinder 1, a blocking column 2 is provided inside the cavity 11 for blocking coarse lime, the blocking column 2 is fixed on the inner surface of the top of the cylinder 1, the blocking column 2 is coaxially provided with the cylinder 1, a conical funnel 3 is provided below the blocking column 2, the coarse lime blocked by the blocking column 2 falls through the conical funnel 3, the large-diameter inlet end of the conical funnel 3 is arranged upward, the wall edge of the inlet of the conical funnel 3 is fixedly connected with the inner wall of the cylinder 1, so as to divide the cavity 11 of the cylinder 1 into an upper cavity 111 and a lower cavity 112, the blocking column 2 is located in the upper cavity 111, the outlet of the conical funnel 3 is communicated with the lower cavity 112, and the diameter of the inlet of the conical funnel 3 is larger than the outlet;

a feeding hole 4 is formed in the side wall of the upper end of the cylinder body 1, the feeding hole 4 is communicated with the upper chamber 111, thick lime and thin lime are fed into the cylinder body 1 from the feeding hole 4 through a high-pressure air cylinder, and the feeding hole 4 can be aligned to the side wall of the blocking column 2, so that the blocking column 2 blocks the thick lime; the barrel wall on the side opposite to the feed inlet 4 on the barrel body 1 is provided with a first discharge pipe 5 communicated with the upper chamber 111, the first discharge pipe 5 extends outwards from the barrel body 1, the coarse and fine lime fed under high pressure is blocked by the blocking column 2, the coarse lime falls downwards, most of the fine lime surrounds the blocking column 2 along with high-pressure gas and is blown out from the first discharge pipe 5, wherein the feed inlet 4 can be coaxially arranged with the first discharge pipe 5, and thus the fine lime can be blown into the first discharge pipe 5 more accurately.

Under the block of the block column 2, part of fine lime still falls down without being completely separated, and secondary separation is required, specifically, a high-pressure air inlet 6 communicated with the lower chamber 112 is arranged on the side wall of the lower end of the cylinder 1, the high-pressure air inlet 6 is positioned below the conical funnel 3, a second discharge pipe 7 is arranged below the first discharge pipe 5, the outlet end of the second discharge pipe 7 is communicated with the first discharge pipe 5, and the inlet end of the second discharge pipe is communicated with the lower chamber 112 of the cylinder 1, so that the fine lime falling down through the conical funnel 3 is blown out from the second discharge pipe 7 under the blowing of high-pressure air of the high-pressure air inlet 6, is converged with the fine lime blown out from the first discharge pipe 5, and is sent into the lime bin together, in the embodiment, the inlet end of the second discharge pipe 7 is flush with the high-pressure air inlet 6, and the falling lime can be conveniently blown into the second discharge pipe 7 linearly; in order to prevent coarse lime from being blown into the second discharge pipe 7 at the same time, the inlet end of the second discharge pipe 7 is provided with a filter screen 9, the filter screen 9 wraps the inlet of the second discharge pipe 7 and is fixed on the inner wall of the lower cavity 112 of the barrel 1, the filter screen 9 can be obliquely arranged at an angle of 45 degrees, so that coarse lime powder can fall off, and the anti-blocking effect is effectively achieved by combining with internal cyclone.

The conical funnel 3 comprises a first half-circumference funnel 31 and a second half-circumference funnel 32 which are oppositely arranged in an encircling way, and the large-diameter opening ends of the first half-circumference funnel 31 and the second half-circumference funnel 32 are spliced to form an inlet of the complete conical funnel; the small-diameter outlet of the second half-circumference funnel 32 is positioned below the small-diameter outlet of the first half-circumference funnel 31, and the small-diameter outlet of the first half-circumference funnel 31 is positioned above the lower hopper wall of the second half-circumference funnel 32; the export of leading of conical hopper 3 is constituteed with the minor diameter export of second half funnel 32 to the minor diameter export of first half funnel 31, and lime after once separating falls and follows the slope landing of the lower part headwall of second half funnel 32 from the minor diameter export whereabouts of first half funnel 31 earlier, drops from the minor diameter export of second half funnel 32 again, and then high-pressure gas blows in from high-pressure gas inlet 6 and blows in toward second discharging pipe 7 with lime after once separating that drops from the minor diameter export of second half funnel 32.

An air outlet pipeline 8 communicated with the high-pressure air inlet 6 is horizontally arranged in the lower cavity 112 of the barrel 1, and the outlet end of the air outlet pipeline 8 is close to the outlet of the conical funnel 3, so that the air outlet pipeline is closer to the falling point of lime and blows the lime into the second discharge pipe 7; in order to make the blown high-pressure air generate stronger air pressure, the air outlet of the air outlet pipeline 8 is a tapered opening 81 with the diameter decreasing from the big to the small, the design of the inlet and the outlet is adopted, and the narrow tube effect in the geographical knowledge is analogized, so that the tapered opening 81 can generate stronger air pressure when the air pressure is compared with the original common air pressure opening and the same air pressure input value is generated.

The barrel body 1 can be designed to be disassembled for convenient cleaning, the barrel body 1 comprises an upper cover 12, a barrel body 13 and a base 14, the upper cover 12, the barrel body 13 and the base 14 can be detachably connected to form a closed body, particularly, the closed body can be fixedly connected through bolts for disassembly, the top surface of the blocking column 2 is fixedly connected with the upper cover 12 into a whole, and the blocking column 2 can be disassembled together with the upper cover 12 during disassembly; the base 14 may be provided with an inwardly recessed groove 15 so that the falling coarse lime may fall into the groove 15 for recycling.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. A lime separator which is characterized in that: comprises a closed cylinder body (1), a cavity (11) is arranged in the cylinder body (1), a blocking column (2) is arranged in the chamber (11), the blocking column (2) is fixed on the inner surface of the top of the cylinder body (1), the blocking column (2) is coaxial with the cylinder body (1), a conical funnel (3) is arranged below the blocking column (2), the major diameter entry end of conical funnel (3) sets up, the wall of the introducing port of conical funnel (3) along with the inner wall fixed connection of barrel (1) and with cavity (11) of barrel (1) divide into cavity (111) and cavity (112) down, the blocking column (2) is positioned in the upper chamber (111), the outlet of the conical funnel (3) is communicated with the lower chamber (112), and the diameter of the inlet of the conical funnel (3) is larger than that of the outlet;

a feed inlet (4) is formed in the side wall of the upper end of the barrel body (1), the feed inlet (4) is communicated with the upper cavity (111), a first discharge pipe (5) communicated with the upper cavity (111) is arranged on the barrel wall of one side, opposite to the feed inlet (4), of the barrel body (1), and the first discharge pipe (5) extends outwards from the barrel body (1); be equipped with on barrel (1) lower extreme lateral wall with high-pressure air inlet (6) of lower cavity (112) intercommunication, high-pressure air inlet (6) are located the below of conical hopper (3), the below of first discharging pipe (5) is provided with second discharging pipe (7), the exit end and first discharging pipe (5) intercommunication of second discharging pipe (7), the lower cavity (112) intercommunication of entrance point and barrel (1), the entrance point of second discharging pipe (7) is equipped with filter screen (9), filter screen (9) parcel the import of second discharging pipe (7) is fixed in on the inner wall of the lower cavity (112) of barrel (1).

2. A lime separation unit according to claim 1, wherein: conical hopper (3) are including relatively embracing first half week funnel (31) and second half week funnel (32) that set up, conical hopper's (3) introducing port is formed by the major diameter open end concatenation of first half week funnel (31) and second half week funnel (32), the minor diameter export of second half week funnel (32) is located the below of the minor diameter export of first half week funnel (31), and the minor diameter export of first half week funnel (31) is located the top of second half week funnel (32) lower part fill wall, conical hopper's (3) leading outlet comprises the minor diameter export of first half week funnel (31) and the minor diameter export of second half week funnel (32).

3. A lime separation unit according to claim 1, wherein: an air outlet pipeline (8) communicated with the high-pressure air inlet (6) is horizontally arranged in the lower cavity (112) of the cylinder body (1), and the outlet end of the air outlet pipeline (8) is close to the outlet of the conical funnel (3).

4. A lime separation unit according to claim 3, wherein: the air outlet of the air outlet pipeline (8) is a conical opening (81) with the diameter decreasing from the big to the small in the outlet direction.

5. A lime separation unit according to any one of claims 1 to 4, wherein: the barrel (1) comprises an upper cover (12), a barrel body (13) and a base (14), the upper cover (12), the barrel body (13) and the base (14) are detachably connected to form a closed body, and the top surface of the blocking column (2) is fixedly connected with the upper cover (12) into a whole.

6. A lime separation unit according to claim 5, wherein: the base (14) is provided with an invaginated groove (15).

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