CN214039502U - Energy-saving combustion device for rotary cement kiln - Google Patents

Abstract

The utility model relates to a cement production technical field specifically is an energy-conserving burner for cement rotary kiln, the top of fuel-tank is connected with first closing cap, and one side of fuel-tank is fixed with cement burning box, cement burning box's top is connected with the second closing cap, the inside of second closing cap is located top position department and is provided with the feeder hopper, and the rear side of second closing cap is provided with the motor. The utility model relates to a novelty, convenient and practical before the material combustion to being used for producing cement, need smash earlier, may have the material of smashing not thoroughly, and be equipped with the blade in the feeder hopper, can carry out further smashing to the material, do benefit to and accelerate the burning progress, improve work efficiency, energy-conservation has been realized, a large amount of flue gas that produces after the burning, can filter through flue gas filtering mechanism, particulate matter in the greatly reduced flue gas, impurity and pungent smell, reduce the injury that the human body caused after inhaling.

Description

Energy-saving combustion device for rotary cement kiln

Technical Field

The utility model relates to a cement manufacture technical field specifically is an energy-conserving burner for cement rotary kiln.

Background

The rotary cement kiln is divided into rotary cement kiln, rotary metallurgical chemical kiln and rotary lime kiln according to different materials to be treated, and is the main equipment of cement clinker dry and wet production lines.

In the process of burning cement, a large amount of flue gas is generated, if the flue gas is not treated, the flue gas can cause great threat to the health of workers, in addition, the raw material to be burnt may have the phenomenon of incomplete crushing, the burning efficiency is affected, and the energy is not saved enough, so the technical personnel in the field provide an energy-saving burning device for the rotary cement kiln, and the problems in the background art are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-conserving burner for rotary cement kiln to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving combustion device for a rotary cement kiln comprises a fuel tank, a first sealing cover is connected above the fuel tank, a cement burning box is fixed on one side of the fuel box, a second sealing cover is connected above the cement burning box, a feed hopper is arranged at the upper position inside the second sealing cover, a motor is arranged at the rear side of the second sealing cover, a water tank is fixed at one side of the second sealing cover, a connecting pipe is connected between the second sealing cover and the water tank, one end of the motor is connected with a first rotating rod at the inner position of the feed hopper, one end of the first rotating rod is fixed with a driving gear, one side of the driving gear is connected with a driven gear, the middle part of the driven gear is connected with a second rotating rod in a penetrating way, the surface of second bull stick and first bull stick all is provided with the blade, the below of water tank is connected with the drain pipe, and the top of water tank is located one side position department and is provided with flue gas filtering mechanism.

As a further aspect of the utility model, the flue gas filtering mechanism includes the outlet duct, the one end of outlet duct is connected with the rose box, one side of rose box is connected with the gas outlet, and the inside of rose box has from left to right set gradually first filter layer, second filter layer, third filter layer and fourth filter layer.

As a further aspect of the present invention, the inside of the box body is provided with a fan, and the box body is a stainless steel member.

As a further aspect of the present invention, the teeth of the driving gear are engaged with the teeth of the driven gear, and the blades on the surface of the first rotating rod and the blades on the surface of the second rotating rod are staggered.

As a further scheme of the utility model, the feed opening has been seted up to the below of feeder hopper, all rotate through the bearing between second bull stick, first bull stick and the feeder hopper and link to each other.

As a further proposal, the first filter layer is a multi-layer net structure, the second filter layer is a member made of HEPA material, the third filter layer is a member made of activated carbon material, and the fourth filter layer adopts a cotton net body which adsorbs the fragrance agent.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty, convenient and practical before the material combustion to being used for producing cement, need smash earlier, may have the material of smashing not thoroughly, and be equipped with the blade in the feeder hopper, can carry out further smashing to the material, do benefit to and accelerate the burning progress, improve work efficiency, energy-conservation has been realized, a large amount of flue gas that produces after the burning, can filter through flue gas filtering mechanism, particulate matter in the greatly reduced flue gas, impurity and pungent smell, reduce the injury that the human body caused after inhaling.

Drawings

FIG. 1 is a schematic structural diagram of an energy-saving combustion device for a rotary cement kiln;

FIG. 2 is a schematic structural view of a cement combustion box in a top section in an energy-saving combustion device for a rotary cement kiln;

fig. 3 is a schematic structural diagram of a front section flue gas filtering mechanism in an energy-saving combustion device for a rotary cement kiln.

In the figure: 1. a fuel tank; 2. a first cover; 3. a cement combustion box; 4. a second cover; 5. a feed hopper; 6. a motor; 7. a first rotating lever; 8. a driving gear; 9. a driven gear; 10. a second rotating rod; 11. a bearing; 12. a blade; 13. a water tank; 14. a connecting pipe; 15. a box body; 16. a drain pipe; 17. an air outlet pipe; 18. a filter box; 19. an air outlet; 20. a first filter layer; 21. a second filter layer; 22. a third filter layer; 23. a fourth filter layer; 24. and (4) a feed opening.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, an energy-saving combustion apparatus for a cement rotary kiln includes a fuel tank 1, a first sealing cover 2 is connected to an upper portion of the fuel tank 1, a cement combustion box 3 is fixed to one side of the fuel tank 1, a second sealing cover 4 is connected to an upper portion of the cement combustion box 3, a feed hopper 5 is disposed at an upper position inside the second sealing cover 4, a motor 6 is disposed at a rear side of the second sealing cover 4, a water tank 13 is fixed to one side of the second sealing cover 4, a connecting pipe 14 is connected between the second sealing cover 4 and the water tank 13, a first rotating rod 7 is connected to an inner position of the feed hopper 5 at one end of the motor 6, a driving gear 8 is fixed to one end of the first rotating rod 7, a driven gear 9 is connected to one side of the driving gear 8, a second rotating rod 10 is connected to a middle portion of the driven gear 9 in a penetrating manner, and blades 12 are disposed on surfaces of the second rotating rod 10 and the first rotating rod 7, a drain pipe 16 is connected to the lower part of the water tank 13, and a flue gas filtering mechanism is arranged at one side position above the water tank 13.

In fig. 3, the flue gas filtering mechanism includes an air outlet pipe 17, one end of the air outlet pipe 17 is connected with a filtering box 18, one side of the filtering box 18 is connected with an air outlet 19, and a first filtering layer 20, a second filtering layer 21, a third filtering layer 22 and a fourth filtering layer 23 are sequentially arranged in the filtering box 18 from left to right, a large amount of flue gas is generated in the cement combustion process, a fan in the box body 15 is turned on to suck the flue gas into the water tank 13 from the connecting pipe 14, because the flue gas has a very high temperature, water in the water tank 13 can be continuously heated to generate steam, the steam can be mixed with particles in the flue gas to preliminarily purify the flue gas, then the flue gas enters the filtering box 18 through the air outlet pipe 17, the first filtering layer 20 can intercept larger particles and impurities in the flue gas, the second filtering layer 21 adopts HEPA, which means a high efficiency air filter in chinese, the filter screen in the embodiment reaches HEPA standard, the effective rate of filtering of 0.1 micron and 0.3 micron reaches 99.7%, the filter screen is characterized in that air can pass through, but fine particles cannot pass through, and the filter screen is the most effective filtering medium for pollutants such as smoke, dust, bacteria and the like, the third filter layer 22 can adsorb pungent taste in the air, and the fourth filter layer 23 can further improve the smell of the discharged air.

In fig. 1, a blower is provided inside the box body 15, and the box body 15 is a stainless steel member, and the blower rotates to rapidly suck the flue gas into the connection pipe 14.

In fig. 2, the tooth of driving gear 8 meshes with the tooth of driven gear 9 mutually, blade 12 on the surface of first bull stick 7 is the staggered distribution with blade 12 on the surface of second bull stick 10, start motor 6 earlier, open second closing cap 4, the material that will be used for producing cement is poured into feeder hopper 5, motor 6 drives first bull stick 7 and rotates, driving gear 8 rotates thereupon, subsequently, driving gear 8 drives driven gear 9 again and rotates, driven gear 9 makes second bull stick 10 rotate, thereby drive blade 12 and carry out further smashing to the material, the material after smashing gets into cement burning box 3 through feed opening 24 and burns.

In fig. 2, a feed opening 24 is formed below the feed hopper 5, the second rotating rod 10, the first rotating rod 7 and the feed hopper 5 are rotatably connected through a bearing 11, and the blades can further crush the materials through the synchronous rotation of the second rotating rod 10 and the first rotating rod 7.

In fig. 3, the first filter layer 20 is a multi-layer mesh structure, the second filter layer 21 is a member made of HEPA, the third filter layer 22 is a member made of activated carbon, the fourth filter layer 23 is a cotton mesh body with an adsorbed fragrance agent, the first filter layer 20 can intercept larger particles and impurities in the smoke, the second filter layer 21 is HEPA, which means a high efficiency air filter in the embodiment, the filter screen reaches the HEPA standard, the effective rate of filtration of 0.1 micron and 0.3 micron reaches 99.7%, the filter screen is characterized in that air can pass through, but fine particles cannot pass through, the filter medium is the most effective filter medium for pollutants such as smoke, dust and bacteria, the third filter layer 22 can adsorb the more pungent taste in the air, and the fourth filter layer 23 can further improve the smell of the discharged air.

The utility model discloses a theory of operation is: the motor 6 is started firstly, the second sealing cover 4 is opened, materials for producing cement are poured into the feeding hopper 5, the motor 6 drives the first rotating rod 7 to rotate, the driving gear 8 rotates along with the first rotating rod, then the driving gear 8 drives the driven gear 9 to rotate, the driven gear 9 enables the second rotating rod 10 to rotate, the blades 12 are driven to further crush the materials, and the crushed materials enter the cement combustion box 3 through the discharging opening 24 to be combusted.

A large amount of smoke is generated in the cement combustion process, a fan in a box body 15 is started to suck the smoke into a water tank 13 from a connecting pipe 14, the smoke has very high temperature, so that water in the water tank 13 can be continuously heated to generate steam, the steam can be mixed with particles in the smoke to primarily purify the smoke, then the smoke enters a filter box 18 through an air outlet pipe 17, a first filter layer 20 can intercept larger particles and impurities in the smoke, a second filter layer 21 adopts HEPA (high efficiency particulate air) which is a Chinese high efficiency air filter, in the embodiment, the filter screen reaches HEPA standard, the effective rate of the filter screen reaches 99.7% for filtering 0.1 micron and 0.3 micron, the filter screen is characterized in that air can pass through but fine particles can not pass through, and the filter medium is the most effective for filtering pollutants such as smoke, dust, bacteria and the like, and a third filter layer 22 can adsorb the smell of nasal pricks in the air, the fourth filter layer 23 can further improve the smell of the discharged air.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. An energy-saving combustion device for a cement rotary kiln comprises a fuel tank (1) and a box body (15), and is characterized in that a first sealing cover (2) is connected above the fuel tank (1), a cement combustion box (3) is fixed on one side of the fuel tank (1), a second sealing cover (4) is connected above the cement combustion box (3), a feed hopper (5) is arranged at the position above the inside of the second sealing cover (4), a motor (6) is arranged on the rear side of the second sealing cover (4), a water tank (13) is fixed on one side of the second sealing cover (4), a connecting pipe (14) is connected between the second sealing cover (4) and the water tank (13), a first rotating rod (7) is connected at the position inside the feed hopper (5) at one end of the motor (6), and a driving gear (8) is fixed at one end of the first rotating rod (7), one side of driving gear (8) is connected with driven gear (9), the middle part through connection of driven gear (9) has second bull stick (10), second bull stick (10) all are provided with blade (12) with the surface of first bull stick (7), the below of water tank (13) is connected with drain pipe (16), and the top of water tank (13) is located one side position department and is provided with flue gas filtering mechanism.

2. The energy-saving combustion device for the rotary cement kiln according to claim 1, wherein the flue gas filtering mechanism comprises an air outlet pipe (17), one end of the air outlet pipe (17) is connected with a filter box (18), one side of the filter box (18) is connected with an air outlet (19), and a first filter layer (20), a second filter layer (21), a third filter layer (22) and a fourth filter layer (23) are sequentially arranged in the filter box (18) from left to right.

3. An energy-saving combustion device for a rotary cement kiln as claimed in claim 1, characterized in that the box body (15) is provided with a fan inside, and the box body (15) is a stainless steel component.

4. The energy-saving combustion device for the rotary cement kiln according to claim 1, characterized in that the teeth of the driving gear (8) are engaged with the teeth of the driven gear (9), and the blades (12) on the surface of the first rotating rod (7) and the blades (12) on the surface of the second rotating rod (10) are distributed in a staggered manner.

5. The energy-saving combustion device for the rotary cement kiln according to claim 1, wherein a feed opening (24) is formed below the feed hopper (5), and the second rotating rod (10), the first rotating rod (7) and the feed hopper (5) are rotatably connected through a bearing (11).

6. The energy-saving combustion device for the rotary cement kiln as recited in claim 2, wherein the first filter layer (20) is a multi-layer net structure, the second filter layer (21) is a member made of HEPA, the third filter layer (22) is a member made of activated carbon, and the fourth filter layer (23) is a cotton net body absorbed with an aromatic agent.

Images