CN222598401U - A double-chamber vertical kiln feeding device - Google Patents

Abstract

The utility model discloses a double-hearth shaft kiln feeding device which comprises a bottom frame, wherein a conveying belt is arranged on the bottom frame for conveying materials, a sealing cover with an opening at one end is fixed on the bottom frame and positioned above the conveying belt, a feeding device is arranged at one end of the sealing cover and used for feeding materials to the inner side of the sealing cover, a sealing mechanism is arranged on the sealing cover and used for preventing smoke gas after feeding the inner side of the sealing cover from flowing back to the feeding device, and a recovery mechanism is arranged on the sealing cover and used for recovering the smoke gas when the materials are conveyed on the conveying belt.

Description

Double-chamber shaft kiln feeding device

Technical Field

The utility model relates to the technical field of feeding devices, in particular to a double-chamber vertical kiln feeding device.

Background

The feeding mode of the currently used double-hearth shaft kiln is that a reversible belt is connected to the lower part of a kiln top bin, and two kiln hearths are fed through a distributing device.

The common reversible belt conveyor is generally open or semi-open, has poor sealing conditions, large dust and higher equipment loss rate.

The double-chamber vertical kiln feeding device disclosed in the patent CN215638710U comprises a kiln top bin, a distributing valve, a sealing valve, a feeding chute, a collecting hopper and a bell-type distributing device, wherein the collecting hopper is arranged for buffering materials and air flow, so that the air flow can be isolated, the real-time feeding of any kiln chamber can be realized, the whole process sealing of the materials can be realized, dust emission can be avoided, and the uniform distribution in the kiln chamber can be realized.

The device has the following defects and defects in the specific implementation process that although the device realizes whole-process sealing, materials are fed through a feeding chute, the materials are easy to adhere to the inner wall of the chute to cause blockage, and the feeding quantity is not easy to control, so that the feeding device of the double-hearth shaft kiln is provided.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a double-hearth vertical kiln feeding device, which solves the problems that the feeding amount is difficult to control because the feeding chute is easy to adhere materials to the inner wall of the chute to cause blockage although the whole-course sealing is realized by the existing double-hearth vertical kiln feeding device.

The double-hearth shaft kiln feeding device comprises a bottom frame, wherein a conveying belt is arranged on the bottom frame and used for conveying materials;

A sealing cover with an opening at one end is fixed on the underframe and above the conveying belt, and a feeding device is arranged at one end of the sealing cover and used for feeding materials to the inner side of the sealing cover;

The sealing cover is provided with a sealing mechanism for preventing the back flow of the flue gas to the feeding device after the feeding inside the sealing cover;

And the seal cover is provided with a recovery mechanism for recovering smoke generated when the materials are conveyed on the conveying belt.

Preferably, the transmission pulleys mounted on the underframe through bearings are connected in a transmission manner in the two ends of the conveying belt, the transmission pulleys are mounted at the output end of an external motor and driven to rotate through the external motor, and the external motor is fixed on the underframe.

Preferably, the feeding device comprises a hopper fixed on the underframe and provided with an opening at the top, and a material guiding pipe extending to the inside of the sealing cover is connected to the bottom end of the hopper.

Preferably, the sealing mechanism comprises a cylinder fixed above the sealing cover, a baffle is installed at the bottom end of the cylinder, a through groove is formed in the sealing cover, and the baffle is movably clamped inside the through groove.

Preferably, the recovery mechanism comprises a dust collection box and an air pump which are fixed at the top of the sealing cover, a plurality of chimneys which are communicated with the inside of the sealing cover are fixed at two sides of the dust collection box, an air inlet of the air pump is communicated with the inside of the dust collection box through a pipeline, an air outlet is fixedly connected with an air outlet pipe, one end of the air outlet pipe is connected with an exhaust pipe which is fixed on the dust collection box, and a plurality of dust filtering net cloths are fixed in the dust collection box.

Preferably, an access door is mounted on the top of the dust box through bolts, and the dust filtering net cloth is fixed inside the dust box through bolts.

Advantageous effects

The utility model provides a feeding device of a double-chamber shaft kiln. Compared with the prior art, the method has the following beneficial effects:

1. This two thorax shaft kiln feed arrangement sets up the conveyer belt on the chassis, install the sealed cowling on the conveyer belt, extend conveyer belt, sealed cowling one end to in the two thorax shaft kiln feed inlet, install feeding device on the chassis, install sealing mechanism on the conveyer belt, add the material through the loading hopper and get into the sealed cowling inboard through the passage conveying pipe, and carry to in the two thorax shaft kiln through the conveyer belt, make the material form relative airtight space when carrying in the conveyer belt through the sealed cowling, whole sealed to the material, avoid the raise dust, and the conveying mode of conveyer belt makes can not cause the material to block up the problem when feeding, and the feed quantity is easy to control.

2. This two thorax shaft kiln feed arrangement, it gets into sealed cowling inboard back through the passage through the feed hopper to add the material, start the cylinder and drive the baffle and move down and pass through the inslot with the baffle joint, it seals sealed cowling inboard one end through the baffle, can be to the quick check of air current after the material adds into sealed cowling inboard, thereby prevent that the air current from flowing back to the feed hopper through the feed hopper in, make sealed cowling inside sealed effectual, prevent simultaneously that the dust from flowing back to the feed hopper in, install recovery mechanism on sealed cowling in addition, the air current that the material produced when the conveying of sealed cowling inboard conveyer belt surface gets into the dust collection incasement portion through the chimney, filter the back to the air current through dust collection incasement dust filter cloth, outwards discharge the air current by the outlet duct through the aspiration pump, the dust filter cloth filters the recovery in the material accessible dust collection incasement, the air current when eliminating sealed cowling inboard material and carrying simultaneously, the big problem that causes the dust to raise when avoiding the feeding.

Drawings

FIG. 1 is a perspective view of a first view of the present utility model;

FIG. 2 is a schematic view of a second perspective view of the present utility model;

FIG. 3 is a schematic view of a seal mechanism according to the present utility model;

FIG. 4 is a schematic view of the recovery mechanism of the present utility model.

1, A bottom frame, 2, a conveying belt, 3, a sealing cover, 4, a feeding device, 41, a feeding hopper, 42, a material guiding pipe, 5, a sealing mechanism, 51, an air cylinder, 52, a baffle plate, 53, a through groove, 6, a recycling mechanism, 61, a dust collection box, 611, an access door, 62, a chimney, 63, an air pump, 64, an air outlet pipe, 65, an exhaust pipe, 66 and dust filtering net cloth.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides two technical solutions:

Embodiment one:

The double-hearth shaft kiln feeding device comprises a bottom frame 1, wherein a conveying belt 2 is arranged on the bottom frame 1 and used for conveying materials;

A sealing cover 3 with an opening at one end is fixed on the underframe 1 and above the conveying belt 2, and a feeding device 4 is arranged at one end of the sealing cover 3 and used for feeding the inner side of the sealing cover 3;

The sealing cover 3 is provided with a sealing mechanism 5 for preventing the back flow of the flue gas fed from the inner side of the sealing cover 3 to the feeding device 4;

The seal cover 3 is provided with a recovery mechanism 6 for recovering smoke generated when materials are conveyed on the conveying belt 2.

Embodiment two:

the main difference from the first embodiment is that:

The double-hearth shaft kiln feeding device is characterized in that two ends of a conveying belt 2 are internally connected with a transmission belt wheel which is rotatably installed on a bottom frame 1 through a bearing in a transmission manner, the transmission belt wheel is installed at the output end of an external motor and is driven to rotate through the external motor, the external motor is fixed on the bottom frame 1, the transmission belt wheel rotates to drive the conveying belt 2 to rotate, and materials are conveyed through the conveying belt 2; the feeding device 4 comprises a hopper 41 fixed on the underframe 1 and provided with an opening at the top, the bottom end of the hopper 41 is connected with a material guide pipe 42 extending into the sealed cover 3, and materials are added through the hopper 41, enter the inner side of the sealed cover 3 through the material guide pipe 42 and are conveyed into the double-hearth shaft kiln through the conveying belt 2; the sealing mechanism 5 comprises an air cylinder 51 fixed above the sealing cover 3, a baffle plate 52 is arranged at the bottom end of the air cylinder 51, a through groove 53 is formed in the sealing cover 3, the baffle plate 52 is movably clamped in the through groove 53, after materials added through the charging hopper 41 enter the inner side of the sealing cover 3 through a material guide pipe 42, the air cylinder 51 is started to drive the baffle plate 52 to move downwards to clamp the baffle plate 52 in the through groove 53, one end of the inner side of the sealing cover 3 is sealed through the baffle plate 52, the air flow can be blocked rapidly after the materials are added into the inner side of the sealing cover 3, so that the air flow is prevented from flowing back into the charging hopper 41 through the material guide pipe 42, the sealing cover 3 has good sealing effect, meanwhile, dust is prevented from flowing back into the charging hopper 41, the recycling mechanism 6 comprises a dust box 61 and a pump 63 which are fixed at the top of the sealing cover 3, a plurality of chimneys 62 communicated with the inner side of the sealing cover 3 are fixed at two sides of the dust box 61, an air inlet of the pump 63 is communicated with the inner side of the dust box 61 through a pipeline, an air outlet pipe 64 is fixedly connected with the air outlet pipe 64, one end of the air outlet pipe 64 is connected with an exhaust pipe 65 fixed on the dust box 61, the inside of the dust box 61 is fixedly provided with a plurality of dust filtering net cloth 66, air flow generated when materials are conveyed on the surface of the conveying belt 2 on the inner side of the sealing cover 3 enters the inside of the dust box 61 through the chimney 62, after the air flow is filtered through the dust filtering net cloth 66 in the dust box 61, the air flow is discharged outwards through the air outlet pipe 64 and the air outlet pipe 65 through the air pump 63, the materials can be filtered and recycled through the dust filtering net cloth 66 in the dust box 61, the air flow when the materials are conveyed on the inner side of the sealing cover 3 is eliminated, the problem that dust is large due to the air flow during feeding is avoided, the top of the dust box 61 is provided with an access door 611 through bolts, the dust filtering net cloth 66 is fixed in the dust box 61 through bolts, and the access door 611 is convenient to be opened to collect the recovered materials in the dust box 61 and maintain and replace the dust filtering net cloth 66.

When the feeding device of the double-hearth shaft kiln is used, the conveyor belt 2 is arranged on the underframe 1, the sealing cover 3 is arranged on the conveyor belt 2, one end of the conveyor belt 2 and one end of the sealing cover 3 extend into the feeding port of the double-hearth shaft kiln, the feeding device 4 is arranged on the underframe 1, the sealing mechanism 5 is arranged on the conveyor belt 2, materials are added into the inner side of the sealing cover 3 through the feeding hopper 41 and conveyed into the double-hearth shaft kiln through the conveyor belt 2, the materials form a relatively airtight space when conveyed in the conveyor belt 2 through the sealing cover 3, the materials are sealed in the whole course, dust is avoided, the conveying mode of the conveyor belt 2 is such that the materials are not blocked when fed, and the feeding amount is easy to control.

And all that is not described in detail in this specification is well known to those skilled in the art.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (6)

1. The double-hearth shaft kiln feeding device comprises a bottom frame (1) and is characterized in that a conveying belt (2) is arranged on the bottom frame (1) and used for conveying materials;

A sealing cover (3) with an opening at one end is fixed on the underframe (1) and positioned above the conveying belt (2), and a feeding device (4) is arranged at one end of the sealing cover (3) and used for feeding materials to the inner side of the sealing cover (3);

The sealing cover (3) is provided with a sealing mechanism (5) for preventing the back flow of the flue gas into the feeding device (4) after the inner side of the sealing cover (3) is fed;

And the seal cover (3) is provided with a recovery mechanism (6) for recovering smoke generated when the materials are conveyed on the conveying belt (2).

2. The feeding device of the double-hearth shaft kiln, as set forth in claim 1, is characterized in that the two ends of the conveying belt (2) are in transmission connection with a transmission belt wheel which is rotatably installed on the underframe (1) through a bearing, the transmission belt wheel is installed at the output end of an external motor and is driven to rotate through the external motor, and the external motor is fixed on the underframe (1).

3. A double-hearth shaft kiln feeding device according to claim 1, wherein the feeding device (4) comprises a top-opening feeding hopper (41) fixed on the underframe (1), and a material guide pipe (42) extending into the sealing cover (3) is connected to the bottom end of the feeding hopper (41).

4. The double-hearth shaft kiln feeding device according to claim 1, wherein the sealing mechanism (5) comprises a cylinder (51) fixed above the sealing cover (3), a baffle plate (52) is arranged at the bottom end of the cylinder (51), a through groove (53) is formed in the sealing cover (3), and the baffle plate (52) is movably clamped inside the through groove (53).

5. The double-hearth shaft kiln feeding device according to claim 1, wherein the recycling mechanism (6) comprises a dust box (61) and an air pump (63) which are fixed at the top of the sealing cover (3), a plurality of chimneys (62) which are communicated with the inside of the sealing cover (3) are fixed at two sides of the dust box (61), an air inlet of the air pump (63) is communicated with the inside of the dust box (61) through a pipeline, an air outlet is fixedly connected with an air outlet pipe (64), one end of the air outlet pipe (64) is connected with an air outlet pipe (65) which is fixed on the dust box (61), and a plurality of dust filtering net cloths (66) are fixed inside the dust box (61).

6. A double-hearth shaft kiln feeding device according to claim 5, wherein an access door (611) is mounted on the top of the dust box (61) through bolts, and the dust filtering net cloth (66) is fixed inside the dust box (61) through bolts.