CN215638710U - Double-chamber shaft kiln feeding device - Google Patents
Double-chamber shaft kiln feeding device Download PDFInfo
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- CN215638710U CN215638710U CN202122144805.1U CN202122144805U CN215638710U CN 215638710 U CN215638710 U CN 215638710U CN 202122144805 U CN202122144805 U CN 202122144805U CN 215638710 U CN215638710 U CN 215638710U
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Abstract
The utility model discloses a double-chamber shaft kiln feeding device, which 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 bottom of the kiln top bin is positioned above a feeding hole of the feeding chute, two discharging holes of the feeding chute are respectively communicated with inlets of the two collecting hoppers, the distributing valve and the sealing valve are arranged on the feeding chute, the bell-type distributing device is arranged on an outlet of the collecting hopper, the feeding chute is in a fully-sealed structure, and the kiln top bin, the feeding chute and the collecting hopper are connected in a sealing mode in pairs. The double-chamber shaft kiln feeding device is provided with the collecting hopper for buffering materials and airflow, so that the airflow can be isolated, and real-time feeding of any kiln chamber is realized; meanwhile, the whole process of sealing the materials is realized, and dust is avoided; and simultaneously, uniform distribution in the kiln chamber is realized.
Description
Technical Field
The utility model relates to the technical field of feeding and distributing structures, in particular to a feeding device of a double-chamber shaft kiln.
Background
The feeding mode of the double-chamber shaft kiln currently used is that a kiln top bin is connected with a reversible belt downwards, and two kiln chambers are fed through a distributor.
The common reversible belt conveyor is generally open or semi-open, the sealing condition is poor, the dust raising is large, and the equipment loss rate is also high.
In a double-hearth kiln with a reversible belt feeding system, because the kiln works under positive pressure, limestone in a bin at the top of the kiln can only be added in the reversing or heat storage period, and at the moment, a feeding hearth kiln body is under atmospheric pressure; the duration of the combustion cycle is limited to 10-12 minutes to avoid the high-temperature flue gas from exhausting out of the kiln body to waste energy and pollute air.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a double-chamber shaft kiln feeding device, which aims to realize feeding at any time and reduce dust.
In order to achieve the purpose, the utility model provides a double-chamber shaft kiln feeding device which 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 bottom of the kiln top bin is positioned above a feeding hole of the feeding chute, two discharging holes of the feeding chute are respectively communicated with inlets of the two collecting hoppers, the distributing valve and the sealing valve are arranged on the feeding chute, the bell-type distributing device is arranged on an outlet of the collecting hopper, the feeding chute is of a full-sealing structure, and the kiln top bin, the feeding chute and the collecting hopper are connected in a sealing mode pairwise.
Preferably, the material distributing valve and the sealing valve are mounted on the pipelines of the two material collecting hoppers corresponding to the feeding chutes.
Preferably, the feeding chute comprises a main pipeline and two branch pipelines communicated with the main pipeline, and a distributing valve and a sealing valve are mounted on the two branch pipelines.
Preferably, the distributing valve and the sealing valve are respectively and sequentially arranged along the discharging direction of the distributing pipeline.
Preferably, the double-bore shaft kiln feeding device further comprises a controller electrically connected with the distributing valve, the sealing valve and the bell-type distributor.
Preferably, a control valve is installed on a discharge port at the bottom of the kiln top bin.
Preferably, a temperature-resistant soft cushion is arranged on the sealing valve.
Preferably, the bell-type distributor is provided with two contact surfaces, and the upper contact surface is a metal contact surface and is used for blocking materials; the lower layer is provided with a temperature-resistant soft cushion for isolating air flow so as to improve the sealing effect.
Preferably, the bottom of the aggregate bin is of a conical structure, and the discharge hole of the aggregate bin is located in the middle of the conical structure.
The double-chamber shaft kiln feeding device provided by the utility model has the following beneficial effects.
1. The feeding adopts a distributing valve and a sealing valve double valve, the distributing valve and the sealing valve act together, the material flow is controlled through the distributing valve, the sealing valve is protected, the material is prevented from impacting the sealing valve, and the sealing valve only plays a role in sealing.
2. The discharging adopts the bell-type material distribution, so that the material is uniformly distributed in the kiln, and the effects of blocking the material and sealing can be achieved.
3. This two thorax shaft kiln feed arrangement is equipped with the collecting hopper and cushions, can completely cut off the air current, realizes arbitrary kiln thorax and feeds in real time, and is whole sealed to the material in addition, avoids the raise dust.
3. Except the distributing valve, the sealing valve and the bell-type distributing device, the rest are chute steel structures, and the double-chamber shaft kiln feeding device has the advantages of simple structure, easy realization, small maintenance amount and reliable work.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the feeding device of the double-chamber shaft kiln of the utility model.
In the figure, 1-a kiln top bin; 2-a distributing valve; 3-sealing the valve; 4-a feeding chute; 5-a collection hopper; 6-a material bell type distributor.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, in the preferred embodiment, a double-chamber shaft kiln feeding device includes a kiln top bin 1, a material distributing valve 2, a sealing valve 3, a feeding chute 4, a collecting hopper 5 and a bell-type distributing device 6, wherein the bottom of the kiln top bin 1 is located above a feeding port of the feeding chute 4, two discharging ports of the feeding chute 4 are respectively communicated with inlets of the two collecting hoppers 5, the material distributing valve 2 and the sealing valve 3 are installed on the feeding chute 4, the bell-type distributing device 6 is installed on an outlet of the collecting hopper 5, the feeding chute 4 is of a full-sealing structure, and the kiln top bin 1, the feeding chute 4 and the collecting hopper 5 are connected in a pairwise sealing manner.
Further, the material distributing valve 2 and the sealing valve 3 are mounted on the pipeline of each of the two collecting hoppers 5 corresponding to the feeding chute 4. The feeding chute 4 comprises a main pipeline and two branch pipelines communicated with the main pipeline, and a distributing valve 2 and a sealing valve 3 are respectively arranged on the two branch pipelines. The distributing valve 2 and the sealing valve 3 are respectively arranged in sequence along the discharging direction of the distributing pipeline.
Further, the double-chamber shaft kiln feeding device also comprises a controller which is electrically connected with the distributing valve 2, the sealing valve 3 and the bell-type distributor 6.
Furthermore, a control valve is arranged on a discharge hole at the bottom of the kiln top bin 1, and the discharge of the kiln top bin 1 is controlled and controlled through the control valve.
In addition, the sealing valve 3 is provided with two contact surfaces, and the upper contact surface is a metal contact surface and used for blocking materials; the lower layer is provided with a temperature-resistant soft cushion for isolating air flow so as to improve the sealing effect. The bell-type distributor 6 is provided with a temperature-resistant soft cushion to improve the sealing effect.
The bottom of the aggregate bin 5 is of a conical structure, and the discharge hole of the aggregate bin 5 is positioned in the middle of the conical structure. The size of the bell-type distributor 6 is large, and the cone of the upper plugging part of the bell-type distributor 6 is processed tightly and does not leak air; the lower part of the bell-type distributor 6 is used for dispersing material flow and playing a role of distributing material.
The whole structure of the double-chamber shaft kiln feeding device is fully sealed, the material distributing valve 2 plays a role in blocking material flow, and the sealing valve 3 plays a role in blocking air flow; the material flow is fed through the fully sealed feeding chute 4 without generating dust. The material collecting hopper 5 at the bottom of the chute plays the role of buffering material flow and temporarily storing a trolley material, and simultaneously prevents the material from directly entering the kiln chamber to generate segregation. The bottom of the collecting hopper 5 is provided with a bell-type distributor 6 which is also used as a sealing valve 3, when the collecting hopper is lifted up, the material is blocked and sealed, when the bell-type distributor 6 descends, the material falls, and the bell-type distributor 6 plays the roles of distributing and sealing simultaneously. The distributing valve 2 and the sealing valve 3 act together, the distributing valve 2 controls material flow and protects the sealing valve 3 to prevent the material from impacting the sealing valve 3, and the sealing valve 3 only plays a sealing role.
The feeding chute 4 is integrally welded compactly, so that air leakage is ensured, the whole chute can bear certain pressure, and the maximum pressure bearing is not more than 50 KPa. The bell-type distributing device 6 is large in size, the cone at the upper part of the blocking part is processed in a layered mode, one layer blocks materials, and the other layer ensures tight sealing and no air leakage; the material is dispersed by the cone of the material distributing part at the lower part, and the material distributing function is realized.
The double-chamber kiln is provided with 2 chambers, namely a chamber A and a chamber B.
Under the normal production state, the material enters a kiln top bin 1. According to production needs, if the kiln A is required to be charged (if the kiln B is required to be charged, the operation flow is the same), the operation process is as follows: under normal conditions, the two-component material valve 2, the sealing valve 3 and the bell-type distributor 6 are all in a closed state, and materials are accumulated in the kiln top bin 1 at the moment. When the kiln A needs to be charged, firstly opening a sealing valve 3 of the kiln A, then opening a material distributing valve 2 at the upper part of the kiln A (at the moment, the material distributing valve 2 of the kiln B is in a closed state), and feeding material flow into a material collecting hopper 5 above the kiln A along a sealing chute; at the moment, the feed valve and the sealing valve 3 of the kiln chamber A are closed, the bell-type distributor 6 is opened, the materials are uniformly distributed into the kiln chamber A along a bell at the bottom of the distributor, and after the materials are distributed, the bell-type distributor 6 is closed, so that a feeding period is completed.
And if the kiln chamber B needs to be charged, closing all valves of the kiln chamber A, and opening the corresponding valves of the kiln chamber B according to the sequence.
The double-chamber shaft kiln feeding device provided by the embodiment has the following beneficial effects.
1. The feeding adopts the distributing valve 2 and the sealing valve 3, the distributing valve 2 and the sealing valve 3 act together, the material flow is controlled through the distributing valve 2, the sealing valve 3 is protected, the material is prevented from impacting the sealing valve 3, and the sealing valve 3 only plays a role in sealing.
2. The discharging adopts the bell-type material distribution, so that the material is uniformly distributed in the kiln, and the effects of blocking the material and sealing can be achieved.
3. This two thorax shaft kiln feed arrangement is equipped with collecting hopper 5 and cushions, can completely cut off the air current, realizes arbitrary kiln thorax and feeds in real time, and is whole sealed to the material in addition, avoids the raise dust.
3. Except the distributing valve 2, the sealing valve 3 and the bell-type distributing device 6, the rest are all chute steel structures, and the double-chamber shaft kiln feeding device has the advantages of simple structure, easy realization, small maintenance amount and reliable work.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a double-chamber shaft kiln feed arrangement, its characterized in that, includes kiln top feed bin, depiler valve, sealing valve, feeding chute, collecting hopper and bell-shaped charge distributor, wherein, kiln top feed bin's bottom is located feeding chute's feed inlet top, and two discharge gates of feeding chute communicate with the entry of two collecting hoppers respectively, install depiler valve and sealing valve on the feeding chute, install bell-shaped charge distributor in the export of collecting hopper, and the feeding chute is full seal structure, two liang of sealing connection between kiln top feed bin, feeding chute and the collecting hopper three.
2. The double-bore shaft kiln feeder according to claim 1, wherein the distribution valve and the sealing valve are mounted on the pipes of the two hoppers corresponding to the feeding chute.
3. The dual-bore shaft kiln feeder of claim 2, wherein said feeder chute includes a main conduit and two branch conduits communicating with the main conduit, each branch conduit having a dispensing valve and a sealing valve mounted thereon.
4. The double-bore shaft kiln feeder according to claim 3, wherein said distributing valve and said sealing valve are arranged in sequence along the discharge direction of the distribution pipe, respectively.
5. The dual-bore shaft kiln feeder of claim 1, further comprising a controller electrically connected to said distributing valve, sealing valve and bell distributor.
6. The feeding device of the double-bore shaft kiln as claimed in claim 1, wherein a control valve is installed on the bottom discharge port of the kiln top bin.
7. The dual-bore shaft kiln feeder of claim 1, wherein said sealing valve is provided with a temperature-resistant cushion.
8. The double-bore shaft kiln charging device as defined in claim 1, wherein said bell-type distributor is provided with two contact surfaces, the upper contact surface being a metal contact surface for blocking the material; the lower layer is provided with a temperature-resistant soft cushion for isolating air flow so as to improve the sealing effect.
9. The feeding device of the double-chamber shaft kiln as claimed in any one of claims 1 to 8, wherein the bottom of the collecting hopper is of a conical structure, and the discharge port of the collecting hopper is positioned in the middle of the conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122144805.1U CN215638710U (en) | 2021-09-07 | 2021-09-07 | Double-chamber shaft kiln feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122144805.1U CN215638710U (en) | 2021-09-07 | 2021-09-07 | Double-chamber shaft kiln feeding device |
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| CN215638710U true CN215638710U (en) | 2022-01-25 |
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| CN202122144805.1U Active CN215638710U (en) | 2021-09-07 | 2021-09-07 | Double-chamber shaft kiln feeding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455860A (en) * | 2022-02-28 | 2022-05-10 | 中冶京诚工程技术有限公司 | Double-hearth lime kiln and operation method thereof |
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2021
- 2021-09-07 CN CN202122144805.1U patent/CN215638710U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455860A (en) * | 2022-02-28 | 2022-05-10 | 中冶京诚工程技术有限公司 | Double-hearth lime kiln and operation method thereof |
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