CN214950654U

CN214950654U - Cement kiln comprehensive energy-saving emission-reducing integrated device

Info

Publication number: CN214950654U
Application number: CN202120524902.0U
Authority: CN
Inventors: 秦士春; 冯永淮; 朱壮壮; 李波波; 刘长霄
Original assignee: Yinan Zhonglian Cement Co ltd
Current assignee: Yinan Zhonglian Cement Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-30
Anticipated expiration: 2031-03-12

Abstract

The utility model relates to the technical field of cement kiln equipment, in particular to a comprehensive energy-saving and emission-reducing integrated device of a cement kiln, which comprises a cement kiln body, a feeding port is arranged on the left side of the top end of the cement kiln body, a discharge port with a first valve is arranged on the bottom end of the right side of the cement kiln body, the cement kiln body is provided with a stirring device, the left side of the cement kiln body is provided with a water storage tank, the top end of the water storage tank is provided with an overflow pipe, the bottom end inside the water storage tank is provided with a water pump, the output end of the water pump is connected with a heat exchange pipe, the heat exchange tube extends from the left side of the cement kiln body to the right side of the cement kiln body, a vent hole is arranged at the position, close to the top end, of the right side of the cement kiln body, the left side in ventilation hole is provided with the baffle, the right side in ventilation hole is provided with the fan of bleeding, the fan of bleeding is connected with the stoving case through the ventilation pipe. The utility model discloses the reutilization heat has energy saving and emission reduction's effect.

Description

Cement kiln comprehensive energy-saving emission-reducing integrated device

Technical Field

The utility model relates to a cement kiln equipment technical field specifically is a cement kiln synthesizes energy saving and emission reduction integrated device.

Background

The cement kiln is also called as a cement rotary kiln, belongs to building material equipment, and is one of lime kilns. The rotary kiln can be divided into a cement rotary kiln, a metallurgical chemical rotary kiln and a lime rotary kiln according to different materials to be treated. The rotary cement kiln is the main equipment of the cement clinker dry and wet production line. When the temperature is higher in the course of working, need cool down the cement kiln through setting up cooling device, current cooling device is usually directly with heat discharge or cool down the cement kiln through modes such as fan in the cement kiln, does not effectively utilize this part heat, has caused the waste of energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy saving and emission reduction integrated device is synthesized to cement kiln to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cement kiln comprehensive energy-saving emission-reducing integrated device comprises a cement kiln body, a stirring device, a water storage tank and a drying box, wherein a feeding port is formed in the left side of the top end of the cement kiln body, a discharge port with a first valve is formed in the bottom end of the right side of the cement kiln body, the stirring device is arranged on the cement kiln body and comprises a protective cover, the protective cover is arranged at the top end of the cement kiln body, a motor is connected to the inside of the protective cover through a fixing rod, the output end of the motor is connected with a stirring shaft, the stirring shaft vertically penetrates through the cement kiln body and extends to the bottom end of the inside of the cement kiln body, a stirring roller is arranged on the stirring shaft, the left side of the cement kiln body is provided with the water storage tank, the top end of the water storage tank is provided with an overflow pipe, the bottom end of the inside of the water storage tank is provided with a water pump, and the output end of the water pump is connected with a heat exchange pipe, the heat exchange tube penetrates through the bottom end of the cement kiln body and extends from the left side of the cement kiln body to the right side of the cement kiln body, a vent hole is formed in the position, close to the top end, of the right side of the cement kiln body, a baffle is arranged on the left side of the vent hole, an air suction fan is arranged on the right side of the vent hole and connected with a drying box through a vent pipe, a first filter screen and an air equalizing plate are sequentially arranged inside the drying box from left to right, an exhaust hole is formed in the right side of the drying box, and a second filter screen is arranged in the exhaust hole; the bottom of cement kiln body is provided with first supporting legs, the bottom of stoving case is provided with the second supporting legs.

Preferably, the heat exchange tube sets up to S type structure, just the one end of heat exchange tube is provided with first branch pipe and second branch pipe, first branch pipe is connected with the output of water pump, the second branch pipe is direct to be connected with the storage water tank and is provided with the fourth valve, the other end of heat exchange tube is provided with the third branch pipe, the third branch union coupling has the water pipe of taking the third valve.

Preferably, the number of the stirring devices is two, and the stirring devices are symmetrically arranged at two ends of the cement kiln body.

Preferably, the bottom end of the stirring shaft is connected with the bottom end in the cement kiln body through a bearing seat, and the bearing seat is welded at the bottom end in the cement kiln body.

Preferably, the overflow pipe is provided with a second valve; the water storage tank is made of heat insulation materials.

Preferably, the top of baffle is provided with the fixing base, the top of fixing base is provided with fastening bolt, fastening bolt runs through the fixing base and is connected with the top rotation of baffle, the baffle runs through cement kiln body top, cement kiln body top is provided with the jack that the baffle of being convenient for runs through.

Preferably, the bottom of the left side of the ventilation hole is provided with a groove convenient for clamping the baffle.

Preferably, an opening with a sealing cover is arranged on the left side of the top end of the drying box.

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

1. the heat exchange tube of S type is set up through the bottom at the cement kiln body, injects the running water into in the heat exchange tube, adopts water-cooled mode to cool down the cement kiln body, and the running water through the heat exchange becomes hot water and flows into and save in the water storage tank, when needs keep warm to the cement kiln body, again through the water pump with the hot water in the water storage tank reverse injection heat exchange tube in, can keep warm to the cement kiln body, realized thermal reuse, practiced thrift the energy.

2. The inside steam of cement kiln body is taken out through setting up the extraction fan, realizes the cooling of cement kiln body, and the steam of taking out passes through the ventilation pipe and conveys to the stoving case, and the stoving case utilizes steam stoving article, has effectively utilized the steam of taking out of extraction fan.

3. Through set up first filter screen and second filter screen on the stoving case, the gas that has effectively filtered the entering stoving case and from the stoving case combustion gas, avoided the article that the impurity pollution in the gas was dried, also avoided the combustion gas polluted environment simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the heat exchange tube of the present invention.

In the figure: 1. a cement kiln body; 2. a feeding port; 3. a discharge port; 4. a first valve; 5. a protective cover; 6. a motor; 7. fixing the rod; 8. a stirring shaft; 9. a stirring roller; 10. a bearing seat; 11. a water storage tank; 12. an overflow pipe; 13. a second valve; 14. a water pump; 15. a heat exchange pipe; 16. a third valve; 17. a baffle plate; 18. a fixed seat; 19. fastening a bolt; 20. an air extracting fan; 21 a vent pipe; 22. a drying box; 23. a first filter screen; 24. a wind equalizing plate; 25. an exhaust hole; 26. a second filter screen; 27. a first supporting leg; 28. a second support leg; 29. a first branch pipe; 30. a second branch pipe; 31. a third branch pipe.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a cement kiln comprehensive energy-saving emission-reducing integrated device comprises a cement kiln body 1, a stirring device, a water storage tank 11 and a drying box 22, wherein a feeding port 2 is formed in the left side of the top end of the cement kiln body 1, a discharge port 3 with a first valve 4 is formed in the bottom end of the right side of the cement kiln body 1, the stirring device is arranged on the cement kiln body 1 and comprises a protective cover 5, the protective cover 5 is arranged at the top end of the cement kiln body 1, a motor 6 is connected to the inside of the protective cover 5 through a fixing rod 7, an output end of the motor 6 is connected with a stirring shaft 8, the stirring shaft 8 vertically penetrates through the cement kiln body 1 and extends to the bottom end of the inside of the cement kiln body 1, a stirring roller 9 is arranged on the stirring shaft 8, the water storage tank 11 is arranged on the left side of the cement kiln body 1, and an overflow pipe 12 is arranged at the top end of the water storage tank 11, a water pump 14 is arranged at the bottom end inside the water storage tank 11, an output end of the water pump 14 is connected with a heat exchange tube 15, the heat exchange tube 15 penetrates through the bottom end of the cement kiln body 1, the heat exchange tube 15 extends from the left side of the cement kiln body 1 to the right side of the cement kiln body 1, a vent hole is formed in the position, close to the top end, of the right side of the cement kiln body 1, a baffle 17 is arranged on the left side of the vent hole, an air exhaust fan 20 is arranged on the right side of the vent hole, the air exhaust fan 20 is connected with a drying box 22 through a vent pipe, a first filter screen 23 and an air equalizing plate 24 are sequentially arranged inside the drying box 22 from left to right, and a plurality of through holes are uniformly formed in the air equalizing plate 24, so that hot air can uniformly act on objects to be dried in the drying box 22; an exhaust hole 25 is formed in the right side of the drying box 22, and a second filter screen 26 is arranged in the exhaust hole 25; the bottom of cement kiln body 1 is provided with first supporting legs 27, the bottom of stoving case 22 is provided with second supporting legs 28.

Further, the heat exchange tube 15 is of an S-shaped structure, one end of the heat exchange tube 15 is provided with a first branch tube 29 and a second branch tube 30, the first branch tube 29 is connected with the output end of the water pump 14, so that hot water in the water storage tank 11 is conveyed to the heat exchange tube 15 through the first branch tube 29 under the action of the water pump 14, and the heat insulation of the cement kiln body 1 is realized; the second branch pipe 30 is directly connected with the water storage tank 11 and is provided with a fourth valve, the other end of the heat exchange pipe 15 is provided with a third branch pipe 31, the third branch pipe 31 is connected with a water pipe with a third valve 16, tap water is connected through the water pipe, the third valve 16 and the fourth valve are opened, and the tap water absorbs heat emitted by the cement kiln body 1 to become hot water and is conveyed to the water storage tank 11 through the second branch pipe 30 to be stored.

Further, agitating unit's quantity is two, several agitating unit symmetry sets up at the both ends of cement kiln body 1, is favorable to the inside material of intensive mixing cement kiln body 1.

Further, the bottom of the stirring shaft 8 is connected with the bottom inside the cement kiln body 1 through a bearing seat 10, the bearing seat 10 is welded at the bottom inside the cement kiln body 1, and the bearing seat 10 can increase the stability of the stirring shaft 8.

Further, a second valve 13 is arranged on the overflow pipe 12; the water storage tank 11 is made of heat insulation materials.

Further, the top of baffle 17 is provided with fixing base 18, the top of fixing base 18 is provided with fastening bolt 19, fastening bolt 19 runs through fixing base 18 and is connected with the top rotation of baffle 17, baffle 17 runs through 1 top of cement kiln body, 1 top of cement kiln body is provided with the jack that the baffle 17 of being convenient for run through.

Furthermore, the left bottom of ventilation hole is provided with the recess of the baffle 17 joint of being convenient for.

Further, drying box 22 top left side is provided with the opening of taking sealed lid, is convenient for get through this opening and puts article, also is convenient for clear up and maintain drying box 22 inside.

The working principle is as follows: the method comprises the steps of putting materials into a cement kiln body 1 through a feeding port 2, starting a stirring device, heating the cement kiln body 1 through a heating device, after heating and stirring for a certain time, when the interior of the cement kiln body 1 needs to be cooled, lifting a baffle 17 through a fastening bolt 19, starting an exhaust fan 20, conveying hot air exhausted by the exhaust fan 20 into a drying box 22 through a ventilation pipe 21, drying articles placed in the drying box 22 through the hot air filtered by a first filter screen 23, and discharging the used hot air after being filtered by a second filter screen 26 from an exhaust hole 25; when the cement kiln body 1 is cooled, the third branch pipe 31 of the heat exchange pipe 15 is connected with a tap water pipe through a water pipe with a third valve 16, a fourth valve on the second branch pipe 30 is opened, tap water enters the heat exchange pipe 15 and is changed into hot water through heat exchange, and the hot water is conveyed into the water storage tank 11 through the second branch pipe 30 to be stored; when the cement kiln body 1 needs to be insulated, hot water in the water storage tank 11 is conveyed to the heat exchange tube 15 through the first branch tube 19 through the water pump 14, so that the heat insulation of the cement kiln body 1 can be assisted, and meanwhile, the third valve 16 is opened, so that the cooled water in the heat exchange tube 15 can flow out conveniently.

It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The cement kiln comprehensive energy-saving and emission-reduction integrated device is characterized by comprising a cement kiln body (1), a stirring device, a water storage tank (11) and a drying box (22), wherein a feeding port (2) is formed in the left side of the top end of the cement kiln body (1), a discharge port (3) with a first valve (4) is formed in the bottom end of the right side of the cement kiln body (1), the stirring device is arranged on the cement kiln body (1) and comprises a protective cover (5), the protective cover (5) is arranged on the top end of the cement kiln body (1), a motor (6) is connected to the inside of the protective cover (5) through a fixing rod (7), an output end of the motor (6) is connected with a stirring shaft (8), the stirring shaft (8) vertically penetrates through the cement kiln body (1) and extends to the bottom end inside the cement kiln body (1), and a stirring roller (9) is arranged on the stirring shaft (8), the left side of cement kiln body (1) is provided with storage water tank (11), the top of storage water tank (11) is provided with warning pipe (12), the inside bottom of storage water tank (11) is provided with water pump (14), the output of water pump (14) is connected with heat exchange tube (15), the bottom of cement kiln body (1) is run through in heat exchange tube (15), just heat exchange tube (15) extend to the right side of cement kiln body (1) from the left side of cement kiln body (1), the position that cement kiln body (1) right side is close to the top is provided with the ventilation hole, the left side in ventilation hole is provided with baffle (17), the right side in ventilation hole is provided with aspirating fan (20), aspirating fan (20) are connected with stoving case (22) through the ventilation pipe, stoving case (22) inside has set gradually first filter screen (23) from a left side to the right side, The right side of the drying box (22) is provided with an exhaust hole (25), and a second filter screen (26) is arranged in the exhaust hole (25); the bottom of cement kiln body (1) is provided with first supporting legs (27), the bottom of stoving case (22) is provided with second supporting legs (28).

2. The integrated energy-saving and emission-reducing device for the cement kiln as claimed in claim 1, is characterized in that: the heat exchange tube (15) is of an S-shaped structure, a first branch tube (29) and a second branch tube (30) are arranged at one end of the heat exchange tube (15), the first branch tube (29) is connected with the output end of the water pump (14), the second branch tube (30) is directly connected with the water storage tank (11) and is provided with a fourth valve, a third branch tube (31) is arranged at the other end of the heat exchange tube (15), and the third branch tube (31) is connected with a water pipe with a third valve (16).

3. The integrated energy-saving and emission-reducing device for the cement kiln as claimed in claim 1, is characterized in that: the number of the stirring devices is two, and the stirring devices are symmetrically arranged at two ends of the cement kiln body (1).

4. The integrated energy-saving and emission-reducing device for the cement kiln as claimed in claim 1, is characterized in that: the bottom end of the stirring shaft (8) is connected with the bottom end inside the cement kiln body (1) through a bearing seat (10), and the bearing seat (10) is welded at the bottom end inside the cement kiln body (1).

5. The integrated energy-saving and emission-reducing device for the cement kiln as claimed in claim 1, is characterized in that: a second valve (13) is arranged on the overflow pipe (12); the water storage tank (11) is made of heat insulation materials.

6. The integrated energy-saving and emission-reducing device for the cement kiln as claimed in claim 1, is characterized in that: the top of baffle (17) is provided with fixing base (18), the top of fixing base (18) is provided with fastening bolt (19), fastening bolt (19) run through the top rotation of fixing base (18) and baffle (17) and are connected, baffle (17) run through cement kiln body (1) top, cement kiln body (1) top is provided with the jack that baffle (17) of being convenient for run through.

7. The integrated energy-saving and emission-reducing device for the cement kiln as claimed in claim 1, is characterized in that: the left side bottom in ventilation hole is provided with the recess of baffle (17) joint of being convenient for.

8. The integrated energy-saving and emission-reducing device for the cement kiln as claimed in claim 1, is characterized in that: an opening with a sealing cover is arranged on the left side of the top end of the drying box (22).