CN217636811U

CN217636811U - Rotary cement kiln tail waste heat utilization system

Info

Publication number: CN217636811U
Application number: CN202123355069.0U
Authority: CN
Inventors: 李永良
Original assignee: Lijiang Gucheng Southwest Cement Co ltd
Current assignee: Lijiang Gucheng Southwest Cement Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-10-21
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a rotary cement kiln tail waste heat utilization system, including the rotary kiln body, the rear side intercommunication of rotary kiln body has kiln tail smoke chamber, there is the mounting panel at the top of kiln tail smoke chamber through bolted connection, there is the dust filtering mechanism at the top of mounting panel through bolted connection, there is the mechanism of cleaning on the right side at dust filtering mechanism top through bolted connection, and the top and the dust filtering mechanism of kiln tail smoke chamber communicate. The utility model discloses a set up rotary kiln body, kiln tail smoke chamber, mounting panel, dust filtering mechanism, clean the mechanism, the joint air pipe, heat transfer mechanism, purification mechanism, water storage mechanism, the toroidal tube, the purifying box, the HEPA filter screen, the active carbon filter screen, the water storage tank, the dust filtering net, the dust filtering box, including a motor, a brush, reciprocating screw rod and heat exchange tube's cooperation is used, it is better to the utilization effect of high temperature flue gas to possess, it is more energy-concerving and environment-protective, the convenience is filtered and is purified the flue gas, make things convenient for the environment to receive the advantage of pollution.

Description

Rotary cement kiln tail waste heat utilization system

Technical Field

The utility model relates to a rotary cement kiln technical field specifically is a rotary cement kiln tail waste heat utilization system.

Background

The rotary cement kiln as one kind of lime kiln may be divided into rotary cement kiln, rotary metallurgical chemical kiln and rotary lime kiln according to the material to be treated.

The rotary cement kiln is mainly used for calcining cement clinker, and comprises a dry-process cement kiln and a wet-process cement kiln, a large amount of high-temperature smoke can be generated in the working process of the rotary cement kiln, the utilization effect of the high-temperature smoke at the tail of the kiln is poor in the conventional rotary cement kiln, a large amount of heat is wasted, and dust or harmful substances in the smoke are not conveniently filtered and purified, so that the environment is polluted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary cement kiln tail waste heat utilization system possesses better to the result of utilization of high temperature flue gas, and is more energy-concerving and environment-protective, and the convenience filters and purifies the flue gas, makes things convenient for the environment to receive the advantage of pollution, and it is not good to the high temperature flue gas result of kiln tail to have solved current rotary cement kiln, leads to a large amount of extravagant heats, and is inconvenient to filter and purify the flue gas, leads to the environment to receive the problem of pollution.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cement rotary kiln tail waste heat utilization system, includes the rotary kiln body, the rear side intercommunication of rotary kiln body has kiln tail smoke chamber, there is the mounting panel at the top of kiln tail smoke chamber through bolted connection, there is the dirt mechanism of straining at the top of mounting panel through bolted connection, there is the mechanism of cleaning on the right side at dirt mechanism top through bolted connection, the top and the dirt mechanism intercommunication of straining of kiln tail smoke chamber, the rear side intercommunication of straining dirt mechanism has the linking tuber pipe, one side intercommunication that the dirt mechanism was kept away from to the linking tuber pipe has heat transfer mechanism, the fixed surface of heat transfer mechanism is connected with water storage mechanism, the bottom intercommunication of heat transfer mechanism has purification mechanism.

Preferably, the dust filtering mechanism comprises a dust filtering box, and an inner cavity of the dust filtering box is connected with a dust filtering net through a bolt.

Preferably, clean the mechanism and include the motor, the reciprocal lead screw of output fixedly connected with of motor, the bottom of reciprocal lead screw is run through to the bottom of straining dirt mechanism, and the surface cover is equipped with and cleans the brush, the left side sliding connection who cleans the brush front side has the guide bar, the top and the bottom and the dirt mechanism fixed connection of straining of guide bar.

Preferably, the heat exchange mechanism comprises an annular pipe, the bottom of the annular pipe is communicated with a heat exchange pipe, and the bottom of the heat exchange pipe penetrates through the inner cavity of the water storage mechanism.

Preferably, the water storage mechanism comprises a water storage tank, the top of the rear side of the water storage tank is communicated with a water inlet valve, and the bottom of the water storage tank is communicated with a water discharge valve.

Preferably, purification mechanism includes the purifying box, there are active carbon filter screen and HEPA filter screen in the inner chamber of purifying box through bolted connection respectively, the top intercommunication of purifying box has the exhaust pipe.

Preferably, the bottom of the dust filtering mechanism is communicated with a collecting box, and the left side of the dust filtering mechanism is connected with a box door through a bolt and is subjected to sealing treatment.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up the rotary kiln body, kiln tail smoke chamber, the mounting panel, the dirt mechanism strains, clean the mechanism, the joint air pipe, heat transfer mechanism, purification mechanism, water storage mechanism, the toroidal tube, the purifying box, the HEPA filter screen, the active carbon filter screen, the water storage tank, the dirt screen, the dirt case strains, including a motor, an end cap, a controller, and a cover plate, clean the brush, the cooperation of reciprocal lead screw and heat exchange tube is used, it is better to the utilization effect of high temperature flue gas to possess, it is more energy-concerving and environment-protective, the convenience is filtered and is purified the flue gas, make things convenient for the environment to receive the advantage of pollution, be worth promoting.

Drawings

FIG. 1 is an isometric view of the structure of the present invention;

FIG. 2 is a rear perspective view of the structure of the present invention;

FIG. 3 is a sectional isometric view of the water storage mechanism of the present invention;

figure 4 is the utility model discloses purify mechanism's section view axonometric drawing.

In the figure: the device comprises a rotary kiln body 1, a kiln tail smoke chamber 2, a collecting box 3, a mounting plate 4, a dust filtering mechanism 5, a cleaning mechanism 6, a connecting air pipe 7, a heat exchange mechanism 8, a purifying mechanism 9, a water storage mechanism 10, a ring pipe 11, an exhaust pipe 12, a purifying box 13, a HEPA filter screen 14, an activated carbon filter screen 15, a water inlet valve 16, a water storage tank 17, a water drain valve 18, a dust filtering net 19, a dust filtering box 20, a motor 21, a cleaning brush 22, a reciprocating screw rod 23, a heat exchange pipe 24 and a guide rod 25.

Detailed Description

Referring to fig. 1-4, a kiln tail waste heat utilization system of a cement rotary kiln comprises a rotary kiln body 1, wherein the rear side of the rotary kiln body 1 is communicated with a kiln tail smoke chamber 2, the top of the kiln tail smoke chamber 2 is connected with an installation plate 4 through a bolt, the top of the installation plate 4 is connected with a dust filtering mechanism 5 through a bolt, the right side of the top of the dust filtering mechanism 5 is connected with a cleaning mechanism 6 through a bolt, the top of the kiln tail smoke chamber 2 is communicated with the dust filtering mechanism 5, the rear side of the dust filtering mechanism 5 is communicated with a connecting air pipe 7, one side of the connecting air pipe 7, which is far away from the dust filtering mechanism 5, is communicated with a heat exchange mechanism 8, the surface of the heat exchange mechanism 8 is fixedly connected with a water storage mechanism 10, and the bottom of the heat exchange mechanism 8 is communicated with a purification mechanism 9;

the dust filtering mechanism 5 comprises a dust filtering box 20, and the inner cavity of the dust filtering box 20 is connected with a dust filtering net 19 through a bolt;

the cleaning mechanism 6 comprises a motor 21, the output end of the motor 21 is fixedly connected with a reciprocating screw rod 23, the bottom of the reciprocating screw rod 23 penetrates through the bottom of the dust filtering mechanism 5, the surface of the reciprocating screw rod is sleeved with a cleaning brush 22, the left side of the front side of the cleaning brush 22 is connected with a guide rod 25 in a sliding mode, and the top and the bottom of the guide rod 25 are fixedly connected with the dust filtering mechanism 5;

the heat exchange mechanism 8 comprises an annular pipe 11, the bottom of the annular pipe 11 is communicated with a heat exchange pipe 24, and the bottom of the heat exchange pipe 24 penetrates into the inner cavity of the water storage mechanism 10;

the water storage mechanism 10 comprises a water storage tank 17, the top of the rear side of the water storage tank 17 is communicated with a water inlet valve 16, and the bottom of the water storage tank 17 is communicated with a water discharge valve 18;

the purification mechanism 9 comprises a purification box 13, an inner cavity of the purification box 13 is respectively connected with an active carbon filter screen 15 and an HEPA filter screen 14 through bolts, and the top of the purification box 13 is communicated with an exhaust pipe 12;

the bottom of the dust filtering mechanism 5 is communicated with the collecting box 3, and the left side of the dust filtering mechanism 5 is connected with a box door through a bolt and is sealed;

the dust cleaned on the dust filter screen 19 can be collected by arranging the collecting box 3;

by arranging the water inlet valve 16 and the water discharge valve 18, water can be conveniently injected into or discharged from the water storage tank 17;

the guide rod 25 can limit the moving direction of the cleaning brush 22;

the dust filter screen 19 can be conveniently replaced by arranging the box door;

the water inlet valve 16 is an electromagnetic valve, is industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, can be matched with different circuits to realize expected control, and can ensure the control precision and flexibility;

the reciprocating screw rod 23 is a form of a three-dimensional cam pair, and is represented by two thread grooves with the same thread pitch and opposite rotation directions, two ends of the thread grooves are connected by using transition curves, and the side surfaces of the thread grooves push sliding blocks arranged in the thread grooves to axially reciprocate through the rotation of the screw rod.

When the rotary kiln is used, the exhaust pipe 12 is externally connected with an air draft mechanism, cement enters the rotary kiln body 1 to be processed, the cement and smoke are discharged from the kiln tail smoke chamber 2, the smoke is sucked into the dust filtering box 20, the dust filtering net 19 in the dust filtering box 20 filters dust in the smoke, the control motor 21 works to drive the reciprocating screw rod 23 to rotate at the moment, the rotating reciprocating screw rod 23 drives the cleaning brush 22 to move up and down on the surface of the dust filtering net 19, dust attached to the surface of the dust filtering net 19 is cleaned, therefore, meshes on the dust filtering net 19 can be prevented from being blocked, normal ventilation is influenced, the smoke after dust filtering enters the heat exchange pipe 24 through the connecting air pipe 7, the heat exchange pipe 24 heats water in the water storage tank 17, the heated water can be used by people, the utilization effect of high-temperature smoke is better, energy conservation and environmental protection are achieved, the smoke after heat exchange enters the purification box 13, peculiar smell in the smoke can be removed through the active carbon filter screen 15 and the HEPA filter screen 14 in the purification box 13, meanwhile, pollutant particles can be purified, and the environment can be prevented from being polluted.

In summary, the following steps: this cement rotary kiln tail waste heat utilization system, through rotary kiln body 1, kiln tail smoke chamber 2, mounting panel 4, dust filtering mechanism 5, clean mechanism 6, connecting air pipe 7, heat transfer mechanism 8, purification mechanism 9, water storage mechanism 10, ring pipe 11, purifying box 13, HEPA filter screen 14, activated carbon filter screen 15, water storage tank 17, dust filtering net 19, dust filtering box 20, motor 21, clean brush 22, the cooperation of reciprocal lead screw 23 and heat exchange tube 24 is used, it is not good to the high temperature flue gas utilization effect of kiln tail to have solved current cement rotary kiln, lead to a large amount of extravagant heat, it is inconvenient to filter and purify the flue gas, lead to the environment to receive the problem of pollution.

Claims

1. The utility model provides a rotary cement kiln tail waste heat utilization system, includes rotary kiln body (1), its characterized in that: the rear side intercommunication of rotary kiln body (1) has kiln tail smoke chamber (2), there is mounting panel (4) at the top of kiln tail smoke chamber (2) through bolted connection, there is dirt mechanism (5) at the top of mounting panel (4) through bolted connection, there is mechanism (6) to clean the right side at dirt mechanism (5) top through bolted connection, the top and the dirt mechanism (5) intercommunication of kiln tail smoke chamber (2), the rear side intercommunication of dirt mechanism (5) has connecting duct (7), one side intercommunication that dirt mechanism (5) were kept away from in connecting duct (7) has heat transfer mechanism (8), the fixed surface of heat transfer mechanism (8) is connected with water storage mechanism (10), the bottom intercommunication of heat transfer mechanism (8) has purification mechanism (9).

2. The rotary cement kiln tail waste heat utilization system as claimed in claim 1, wherein: the dust filtering mechanism (5) comprises a dust filtering box (20), and the inner cavity of the dust filtering box (20) is connected with a dust filtering net (19) through a bolt.

3. The rotary cement kiln tail waste heat utilization system as claimed in claim 1, wherein: clean mechanism (6) including motor (21), the reciprocal lead screw (23) of output fixedly connected with of motor (21), the bottom of reciprocal lead screw (23) is run through to the bottom of straining dirt mechanism (5), and the surface cover is equipped with and cleans brush (22), the left side sliding connection who cleans brush (22) front side has guide bar (25), the top and the bottom and strain dirt mechanism (5) fixed connection of guide bar (25).

4. The rotary cement kiln tail waste heat utilization system as claimed in claim 1, wherein: the heat exchange mechanism (8) comprises a ring-shaped pipe (11), the bottom of the ring-shaped pipe (11) is communicated with a heat exchange pipe (24), and the bottom of the heat exchange pipe (24) penetrates through the inner cavity of the water storage mechanism (10).

5. The rotary cement kiln tail waste heat utilization system as claimed in claim 1, characterized in that: the water storage mechanism (10) comprises a water storage tank (17), the top of the rear side of the water storage tank (17) is communicated with a water inlet valve (16), and the bottom of the water storage tank (17) is communicated with a water discharge valve (18).

6. The rotary cement kiln tail waste heat utilization system as claimed in claim 1, wherein: purification mechanism (9) are including purifying box (13), the inner chamber of purifying box (13) has active carbon filter screen (15) and HEPA filter screen (14) through bolted connection respectively, the top intercommunication of purifying box (13) has exhaust pipe (12).

7. The rotary cement kiln tail waste heat utilization system as claimed in claim 1, wherein: the bottom of the dust filtering mechanism (5) is communicated with the collecting box (3), and the left side of the dust filtering mechanism (5) is connected with a box door through a bolt and is sealed.