CN-224215795-U - System equipment for energy-saving and high-efficiency calcination of modified phosphogypsum by waste heat outside main kiln body

CN224215795UCN 224215795 UCN224215795 UCN 224215795UCN-224215795-U

Abstract

The utility model relates to the technical field of waste heat utilization equipment, and provides system equipment for energy-saving and efficient calcination of modified phosphogypsum by waste heat outside a main kiln body, which comprises a jacket and a method cylinder, wherein an inner material conveying channel and an outer material conveying channel are constructed in the jacket, the inner material conveying channel is configured to be sleeved outside the main kiln body, the outer material conveying channel is sleeved outside the inner material conveying channel, a first end of the inner material conveying channel is communicated with a first end of the outer material conveying channel, the method cylinder is arranged at the end part of the jacket, a sixth spiral channel and a first spiral channel are arranged in the method cylinder, the sixth spiral channel is communicated with a second end of the inner material conveying channel, the first spiral channel is communicated with a second end of the outer material conveying channel, and a first opening and a second opening are further formed in the method cylinder. The system equipment for calcining the modified phosphogypsum by using the external waste heat of the main kiln effectively solves the defects that the waste heat utilization device is easy to block, agglomerate and can not feed and calcine the high-moisture materials such as phosphogypsum in the prior art.

Inventors

LIU ZHIHAO
WU NIANHONG
CHEN TAO
LIU ANDI
QIN XIANTAO
ZHANG ZEYU
LUO RONG
YUAN MING
CHEN CHENG
CHEN QIONG
LIU YUNQUAN
HU BO
LIU HAO
CHEN JUAN
ZHANG DINGMING

Assignees

湖北聚海环境科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250430

Claims (10)

1. The utility model provides a main kiln external waste heat energy-conserving high-efficient modified phosphogypsum's system equipment of calcining which characterized in that includes: The jacket is internally provided with at least one inner material conveying channel and one outer material conveying channel, the inner material conveying channel is arranged to be sleeved on the outer side of the main kiln body, and the outer material conveying channel is sleeved on the outer side of the inner material conveying channel; the first end of the inner material conveying channel is communicated with the first end of the outer material conveying channel; The device comprises a jacket, a main kiln body, a jacket, a method cylinder, a first spiral channel, a first opening, a second opening, a feed hopper, a first opening and a second opening, wherein the jacket is arranged at the end part of the jacket, the method cylinder is internally provided with the sixth spiral channel and the first spiral channel, the sixth spiral channel is configured to be spirally wound on the outer side of the main kiln body along the axial direction of the main kiln body, the first spiral channel is spirally wound on the outer side of the sixth spiral channel along the axial direction of the main kiln body, the sixth spiral channel is communicated with the second end of the inner conveying channel, the first spiral channel is communicated with the second end of the outer conveying channel, the method cylinder is also provided with the first opening and the second opening, the first opening is communicated with the sixth spiral channel, the second opening is communicated with the first spiral channel, the second opening is configured to be communicated with the feed hopper, and the first opening is configured to be communicated with the storage bin, and the heated material in the sixth spiral channel is discharged.
2. The system device for calcining modified phosphogypsum by using waste heat outside a main kiln body in an energy-saving and efficient manner according to claim 1, wherein a plurality of inner conveying channels are provided; The inner material conveying channels are sleeved on the outer side of the main kiln body and are arranged in a stacked manner along the radial direction of the main kiln body; the sixth spiral channel is communicated with the second end of the inner conveying channel positioned at the innermost side.
3. The system equipment for energy-saving and efficient calcination of modified phosphogypsum by using waste heat outside a main kiln body according to claim 1, wherein a plurality of sixth spiral channels are arranged along the circumferential direction of the main kiln body.
4. The system equipment for the energy-saving and efficient calcination of modified phosphogypsum by using waste heat outside a main kiln body according to claim 1, wherein a plurality of first spiral channels are arranged along the circumferential direction of the main kiln body.
5. The system device for energy-saving and efficient calcination of modified phosphogypsum by using waste heat outside a main kiln body according to claim 1, further comprising a driving piece, wherein the driving piece is in transmission connection with the jacket so as to drive the jacket to rotate and drive the material to move along the sixth spiral channel or the first spiral channel.
6. The system equipment for energy-saving and efficient calcination of modified phosphogypsum by using waste heat outside a main kiln body according to claim 5, wherein the rotation directions of the sixth spiral channel and the first spiral channel are opposite.
7. The system device for energy-saving and efficient calcination of modified phosphogypsum by using waste heat outside a main kiln body according to claim 1, wherein a fifth spiral channel with the same rotation direction as the sixth spiral channel is constructed in the inner conveying channel, and the fifth spiral channel is communicated with the sixth spiral channel; The outer material conveying channel is internally provided with a second spiral channel which has the same rotation direction as the first spiral channel, and the second spiral channel is communicated with the first spiral channel.
8. The system device for energy-saving and efficient calcination of modified phosphogypsum by using waste heat outside a main kiln body according to claim 7, which is characterized by further comprising a hooking plate; a third spiral channel is further arranged in the outer conveying channel and is communicated with one end, far away from the first spiral channel, of the second spiral channel; A fourth spiral channel is further arranged in the inner conveying channel and is communicated with one end, far away from the sixth spiral channel, of the fifth spiral channel; The material hooking plate is arranged in the third spiral channel, extends along the radial direction of the third spiral channel and guides the material from the third spiral channel into the fourth spiral channel; The spiral directions of the first spiral channel, the second spiral channel and the third spiral channel are the same; the spiral directions of the fourth spiral channel, the fifth spiral channel and the sixth spiral channel are opposite to the spiral direction of the third spiral channel.
9. The system device for energy-saving and efficient calcination of modified phosphogypsum by using waste heat outside a main kiln body according to claim 8, wherein the material hooking plates comprise a first material hooking plate, a second material hooking plate, a third material hooking plate and a fourth material hooking plate, the first material hooking plate, the second material hooking plate, the third material hooking plate and the fourth material hooking plate are arranged at intervals along the transportation direction of materials, and the radial sizes of the first material hooking plate, the second material hooking plate, the third material hooking plate and the fourth material hooking plate along the third spiral channel are sequentially increased.
10. The system device for energy-saving and efficient calcination of modified phosphogypsum by using waste heat outside a main kiln body according to claim 1, wherein a heat insulation layer is arranged outside the jacket.

Description

System equipment for energy-saving and high-efficiency calcination of modified phosphogypsum by waste heat outside main kiln body Technical Field The utility model relates to the technical field of waste heat utilization equipment, in particular to system equipment for energy-saving and efficient calcination of modified phosphogypsum by waste heat outside a main kiln body. Background In the related art, in order to improve the heat efficiency of heating devices such as a main kiln body, the heat treatment of other materials is generally performed by utilizing the waste heat dissipated outwards by the main kiln body, and the existing waste heat utilization device is difficult to meet the continuous processing production requirement of the materials. In particular to a technical device which is needed to solve the problems that high-water-content materials such as phosphogypsum are easy to block and agglomerate and cannot be fed and calcined. Disclosure of utility model The utility model provides a system device for energy-saving and efficient calcination of modified phosphogypsum by using waste heat outside a main kiln body, which is used for solving the defects that a waste heat utilization device is easy to block, agglomerate and not capable of feeding and calcining for high-moisture materials such as phosphogypsum in the prior art. The utility model provides a system device for energy-saving and high-efficiency calcination of modified phosphogypsum by waste heat outside a main kiln body, which comprises: The jacket is internally provided with at least one inner material conveying channel and one outer material conveying channel, the inner material conveying channel is arranged to be sleeved on the outer side of the main kiln body, and the outer material conveying channel is sleeved on the outer side of the inner material conveying channel; the first end of the inner material conveying channel is communicated with the first end of the outer material conveying channel; The device comprises a jacket, a main kiln body, a jacket, a method cylinder, a first spiral channel, a first opening, a second opening, a feed hopper, a first opening and a second opening, wherein the jacket is arranged at the end part of the jacket, the method cylinder is internally provided with the sixth spiral channel and the first spiral channel, the sixth spiral channel is configured to be spirally wound on the outer side of the main kiln body along the axial direction of the main kiln body, the first spiral channel is spirally wound on the outer side of the sixth spiral channel along the axial direction of the main kiln body, the sixth spiral channel is communicated with the second end of the inner conveying channel, the first spiral channel is communicated with the second end of the outer conveying channel, the method cylinder is also provided with the first opening and the second opening, the first opening is communicated with the sixth spiral channel, the second opening is communicated with the first spiral channel, the second opening is configured to be communicated with the feed hopper, and the first opening is configured to be communicated with the storage bin, and the heated material in the sixth spiral channel is discharged. According to the system equipment for calcining modified phosphogypsum by using waste heat outside the main kiln body in an energy-saving and efficient manner, a plurality of inner conveying channels are arranged; The inner material conveying channels are sleeved on the outer side of the main kiln body and are arranged in a stacked manner along the radial direction of the main kiln body; the sixth spiral channel is communicated with the second end of the inner conveying channel positioned at the innermost side. According to the system equipment for calcining modified phosphogypsum by using waste heat outside the main kiln body in an energy-saving and efficient manner, a plurality of sixth spiral channels are arranged along the circumferential direction of the main kiln body. According to the system equipment for calcining modified phosphogypsum by using waste heat outside the main kiln body in an energy-saving and efficient manner, a plurality of first spiral channels are arranged along the circumferential direction of the main kiln body. The system equipment for calcining the modified phosphogypsum by using the external waste heat of the main kiln body is energy-saving and efficient, and further comprises a driving piece, wherein the driving piece is in transmission connection with the jacket so as to drive the jacket to rotate and drive the material to move along the sixth spiral channel or the first spiral channel. According to the system equipment for calcining modified phosphogypsum by using waste heat outside the main kiln body in an energy-saving and efficient way, the spiral directions of the sixth spiral channel and the first spiral channel are opposite. According to the system equipment for calci