CN219898591U

CN219898591U - Roasting separation device

Info

Publication number: CN219898591U
Application number: CN202320771816.9U
Authority: CN
Inventors: 王丽萍; 曹坤; 高桂梅; 洪雨; 李超; 张一雯; 图亚; 赵建强; 张玮琦
Original assignee: China Shenhua Energy Co Ltd; Shenhua Zhunneng Resources Development and Utilisation Co Ltd
Current assignee: China Shenhua Energy Co Ltd; Shenhua Zhunneng Resources Development and Utilisation Co Ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-10-27
Anticipated expiration: 2033-04-07

Abstract

The utility model provides a roasting separation device, comprising: the hot blast stove is provided with a hearth, a hot air inlet and a feed inlet, wherein the hot air inlet and the feed inlet are communicated with the hearth; the feeding assembly comprises a charging basket and a feeding pipe, the charging basket is arranged outside the hot blast stove, the first end of the feeding pipe is communicated with the charging basket, and the second end of the feeding pipe is communicated with the feeding hole; the separation assembly comprises a first coil, a second coil, a first cyclone separator and a second cyclone separator, wherein the first coil and the second coil are arranged in the hot blast stove, the first cyclone separator and the second cyclone separator are arranged outside the hot blast stove, the first coil is located above the second coil, the first coil is provided with a plurality of first inlets communicated with the hearth, the first coil is communicated with the first cyclone separator, the second coil is provided with a plurality of second inlets communicated with the hearth, and the second coil is communicated with the second cyclone separator. According to the technical scheme provided by the utility model, the problem that the mixture is difficult to separate in the hot blast stove can be solved.

Description

Roasting separation device

Technical Field

The utility model relates to the technical field of roasting separation devices, in particular to a roasting separation device.

Background

The hot blast stove is a power machine for heating wind to a required temperature and is widely applied to the fields of smelting and chemical industry.

In the related art, roasting of materials can be performed in a hot blast stove, and in the roasting process, the materials can be heated and decomposed to obtain various solid mixtures. After the corresponding mixture has been obtained by means of the hot blast stove, it is also necessary to separate the mixture.

However, the hot blast stove in the related art is not provided with a separation device, and has a problem that the mixture is difficult to separate.

Disclosure of Invention

The utility model provides a roasting separation device, which aims to solve the problem that a mixture is difficult to separate in a hot blast stove in the related technology.

The utility model provides a roasting separation device, which comprises: the hot blast stove is provided with a hearth, a hot air inlet and a feed inlet, wherein the hot air inlet and the feed inlet are communicated with the hearth; the feeding assembly comprises a charging basket and a feeding pipe, the charging basket is arranged outside the hot blast stove, the first end of the feeding pipe is communicated with the charging basket, and the second end of the feeding pipe is communicated with the feeding hole; the separation assembly comprises a first coil, a second coil, a first cyclone separator and a second cyclone separator, wherein the first coil and the second coil are arranged in the hot blast stove, the first cyclone separator and the second cyclone separator are arranged outside the hot blast stove, the first coil is located above the second coil, the first coil is provided with a plurality of first inlets communicated with the hearth, the first coil is communicated with the first cyclone separator, the second coil is provided with a plurality of second inlets communicated with the hearth, and the second coil is communicated with the second cyclone separator.

Further, the first coil pipe is of an annular structure extending along the circumferential direction of the hearth, the first coil pipe is arranged along the horizontal direction, and the plurality of first inlets are arranged at intervals along the circumferential direction of the first coil pipe; and/or the second coil pipe is of an annular structure extending along the circumferential direction of the hearth, the second coil pipe is arranged along the horizontal direction, and the plurality of second inlet ports are arranged at intervals along the circumferential direction of the second coil pipe.

Further, the distances between two adjacent first inlets are equal; and/or, the distances between two adjacent second inlets are equal.

Further, the separation assembly further comprises a third cyclone separator, a flue gas outlet is formed in the upper end of the hot blast stove, and a separation inlet of the third cyclone separator is communicated with the flue gas outlet.

Further, the separation assembly further comprises an absorption tower, the first cyclone separator is provided with a first tail gas outlet, the second cyclone separator is provided with a second tail gas outlet, the third cyclone separator is provided with a third tail gas outlet, and the first tail gas outlet, the second tail gas outlet and the third tail gas outlet are all communicated with the absorption tower.

Further, the hot blast stove is internally provided with a hot air dispersing net which is arranged along the horizontal direction, and the hot air dispersing net is positioned above the hot air inlet and below the second coil pipe.

Further, the roasting separation device further comprises a material storage tank, a discharge hole is formed in the lower end of the hot blast stove, and the material storage tank is located below the discharge hole and is communicated with the discharge hole.

Further, the second end of the feed tube is provided with an atomizing nozzle.

Further, the feed assembly also includes a filter disposed on the feed tube and a feed pump, the feed pump being located upstream of the filter.

Further, the roasting separation device further includes: a fuel gas source; the first end of the hot air pipe is communicated with a fuel gas source, the second end of the hot air pipe is communicated with a hot air inlet, and a blower is arranged on the hot air pipe.

According to the technical scheme, the roasting separation device comprises a hot blast stove, a feeding component and a separation component, when materials are required to be processed, the materials are placed in a charging basket, the materials in the charging basket are conveyed into the hot blast stove through a feeding pipe, hot air entering from a hot air inlet of the hot blast stove is utilized to blow the materials to a hearth, so that the materials can be heated and decomposed by the hot air, the decomposed materials form granular suspended matters, the suspended matters with low density enter the first coil through a first inlet of a first coil and enter a first cyclone separator through the first coil to be separated, and the required decomposed matters are obtained. The dense suspension enters the second coil through the second inlet of the second coil and enters the second cyclone separator through the second coil for separation to obtain the required decomposer. Thereby realizing the separation of the decomposed materials.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structural diagram of a roasting separation device according to an embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

10. hot blast stove; 11. a furnace; 12. a hot air dispersion net;

20. a feed assembly; 21. a charging barrel; 22. a feed pipe; 23. a filter; 24. a feed pump;

30. a separation assembly; 31. a first coil; 32. a second coil; 33. a first cyclone separator; 34. a second cyclone separator; 35. a third cyclone separator; 36. an absorption tower;

40. a storage tank;

50. a fuel gas source; 51. and a hot air pipe.

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. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. 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.

As shown in fig. 1, an embodiment of the present utility model provides a roasting separation device, which comprises a hot blast stove 10, a feeding assembly 20 and a separation assembly 30, wherein the hot blast stove 10 is provided with a hearth 11, and a hot blast inlet and a feeding port which are communicated with the hearth 11; the feeding assembly 20 comprises a charging barrel 21 and a feeding pipe 22, wherein the charging barrel 21 is arranged outside the hot blast stove 10, a first end of the feeding pipe 22 is communicated with the charging barrel 21, and a second end of the feeding pipe 22 is communicated with a feeding hole; the separation assembly 30 comprises a first coil 31, a second coil 32, a first cyclone 33 and a second cyclone 34, wherein the first coil 31 and the second coil 32 are arranged in the hot blast stove 10, the first cyclone 33 and the second cyclone 34 are arranged outside the hot blast stove 10, the first coil 31 is positioned above the second coil 32, the first coil 31 is provided with a plurality of first inlets communicated with the hearth 11, the first coil 31 is communicated with the first cyclone 33, the second coil 32 is provided with a plurality of second inlets communicated with the hearth 11, and the second coil 32 is communicated with the second cyclone 34.

According to the technical scheme, the roasting separation device comprises a hot blast stove 10, a feeding component 20 and a separation component 30, when materials are required to be processed, the materials are placed in a charging barrel 21, the materials in the charging barrel 21 are conveyed into the hot blast stove 10 through a feeding pipe 22, hot air entering from a hot air inlet of the hot blast stove 10 is utilized to blow the materials to a hearth 11, so that the materials can be heated and decomposed by the hot air, the decomposed materials form granular suspended matters, and the suspended matters with small density enter a first coil pipe 31 through a first inlet of the first coil pipe 31 and enter a first cyclone separator 33 for separation through the first coil pipe 31, so that the required decomposed matters are obtained. The dense suspension enters the second coil 32 through the second inlet of the second coil 32 and passes through the second coil 32 into the second cyclone 34 for separation to obtain the desired decomposer. Thereby realizing the separation of the decomposed materials.

In this embodiment, the decomposed suspension mainly comprises ferric chloride and aluminum chloride, which can be separated by the first coil 31 and the first cyclone 33, and which can be separated by the second coil 32 and the second cyclone 34. Of course, if the suspension has a higher fraction, a plurality of coils and a corresponding plurality of cyclones may be provided, with a corresponding separation of the different fractions.

The buoyancy force of different suspended matters can be controlled by controlling the flow rate of hot air, so that different suspended matters can be corresponding to different coils.

As shown in fig. 1, the first coil 31 is an annular structure extending in the circumferential direction of the furnace 11, the first coil 31 is disposed in the horizontal direction, the plurality of first inlets are arranged at intervals in the circumferential direction of the first coil 31, the second coil 32 is an annular structure extending in the circumferential direction of the furnace 11, the second coil 32 is disposed in the horizontal direction, and the plurality of second inlets are arranged at intervals in the circumferential direction of the second coil 32. The first coil pipe 31 and the second coil pipe 32 with the above structures can be provided with a plurality of first inlets and a plurality of second inlets by using the annular structure, so that suspended matters can enter corresponding cyclone separators through the coil pipes more quickly.

Of course, coils of other configurations, such as a mesh configuration, may be provided as long as it facilitates the circulation of hot air while facilitating the separation of suspended matter.

As shown in fig. 1, the distances between the adjacent two first inlets are equal, and the distances between the adjacent two second inlets are equal. With the above structure, the suspended matter can uniformly enter the first coil 31 or the second coil 32, and the suspended matter can flow in the coils at a stable speed, so that no blockage is formed.

As shown in fig. 1, the separation assembly 30 further comprises a third cyclone separator 35, a flue gas outlet is arranged at the upper end of the hot blast stove 10, and a separation inlet of the third cyclone separator 35 is communicated with the flue gas outlet. The third cyclone 35 is used to separate the less dense suspension and to remove the flue gases from the furnace 11.

As shown in fig. 1, the separation assembly 30 further includes an absorber tower 36, the first cyclone 33 has a first off-gas outlet, the second cyclone 34 has a second off-gas outlet, and the third cyclone 35 has a third off-gas outlet, all of which are in communication with the absorber tower 36. The off-gas in the first cyclone 33, the second cyclone 34 and the third cyclone 35 can be treated by means of the absorption tower 36.

As shown in fig. 1, the hot blast stove 10 also has a horizontally arranged hot blast dispersing net 12 therein, the hot blast dispersing net 12 being located above the hot blast inlet and below the second coil 32. The hot air entering from the hot air inlet can be dispersed by the hot air dispersing net 12, so that the hot air is distributed more uniformly in the hearth 11.

As shown in fig. 1, the roasting separation device further comprises a storage tank 40, a discharge port is arranged at the lower end of the hot blast stove 10, and the storage tank 40 is positioned below the discharge port and is communicated with the discharge port. Suspension that is dense and cannot be separated by the first coil 31 and the second coil 32 can be collected by the storage tank 40.

As shown in fig. 1, the second end of the feed tube 22 is provided with an atomizing nozzle. The material fed through the feed pipe 22 can be atomized by means of the atomizing nozzle so that it is more uniformly dispersed in the furnace 11.

The atomizing nozzle is made of acid-resistant anti-corrosion materials, including but not limited to noble metal titanium materials, tantalum materials, zirconium materials, ceramic materials, steel lining anti-acid materials and the like.

In this embodiment, the material contained in the barrel 21 is a liquid material, and each component is dissolved in the solute and can be atomized by the atomizing nozzle.

As shown in fig. 1, the feed assembly 20 further includes a filter 23 and a feed pump 24 disposed on the feed tube 22, the feed pump 24 being located upstream of the filter 23. The material in the charging basket 21 can be conveyed into the hearth 11 by the feeding pump 24, and impurities in the material can be removed by the filter 23, so that the material is cleaner.

As shown in fig. 1, the roasting separation device further comprises a gas source 50 and a hot air pipe 51, wherein a first end of the hot air pipe 51 is communicated with the gas source 50, a second end of the hot air pipe 51 is communicated with a hot air inlet, and a blower is arranged on the hot air pipe 51. The air can be heated by the gas source 50, and the heated air is then fed into the furnace 11 by the hot air duct 51.

In the present embodiment, the hot air can be fed into the furnace 11 by the blower, and the flow rate of the hot air can be controlled.

The following description is made in connection with a specific method of using the roasting separation apparatus:

before working, hot air is input into the hearth 11 through the hot air inlet, the hearth 11 of the hot air furnace 10 is baked to be preheated, and flue gas after the baking is discharged into the third cyclone separator 35 through the flue gas outlet and is discharged through the third cyclone separator 35.

In operation, the material in the bowl 21 is filtered by the filter 23 by the feed pump 24 and sprayed into the furnace 11 through the atomizing nozzle. Simultaneously, the air is heated by the gas source 50 and is conveyed into the hearth 11 through the hot air inlet, and the hot air is dispersed by the hot air dispersing net 12, so that atomized materials are fully contacted with the hot air, and the heating and decomposition of the materials are realized. Under the action of the hot air, the decomposed suspended solids with the minimum density are discharged to the third cyclone separator 35 together with the flue gas through the flue gas outlet, and are separated in the third cyclone separator 35. The suspension with smaller density enters the first cyclone separator 33 through the first coil pipe 31 for separation, the suspension with larger density enters the second cyclone separator 34 through the second coil pipe 32 for separation, and the tail gas of the first cyclone separator 33, the second cyclone separator 34 and the third cyclone separator 35 is treated through the absorption tower 36. The suspension with the greatest density falls into the storage tank 40 through the discharge port to be collected.

After the work is finished, clean water is put into the charging basket 21, and the charging pump 24, the filter 23, the atomizing nozzle and the hot blast stove 10 are cleaned by the clean water.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A roasting separation apparatus, the roasting separation apparatus comprising:

a hot blast stove (10) having a hearth (11), a hot blast inlet and a feed inlet communicating with the hearth (11);

the feeding assembly (20) comprises a charging basket (21) and a feeding pipe (22), the charging basket (21) is arranged outside the hot blast stove (10), a first end of the feeding pipe (22) is communicated with the charging basket (21), and a second end of the feeding pipe (22) is communicated with the feeding port;

separation subassembly (30), including first coil pipe (31), second coil pipe (32), first cyclone (33) and second cyclone (34), first coil pipe (31) with second coil pipe (32) all set up in hot-blast furnace (10), first cyclone (33) with second cyclone (34) all set up outside hot-blast furnace (10), first coil pipe (31) are located the top of second coil pipe (32), first coil pipe (31) be provided with a plurality of first import of furnace (11) intercommunication, first coil pipe (31) with first cyclone (33) intercommunication, second coil pipe (32) be provided with a plurality of second import of furnace (11) intercommunication, second coil pipe (32) with second cyclone (34) intercommunication.

2. The roasting separation apparatus of claim 1, wherein,

the first coil (31) is of an annular structure extending along the circumferential direction of the hearth (11), the first coil (31) is arranged along the horizontal direction, and a plurality of first inlets are arranged at intervals along the circumferential direction of the first coil (31); and/or the number of the groups of groups,

the second coil pipe (32) is of an annular structure extending along the circumferential direction of the hearth (11), the second coil pipe (32) is arranged along the horizontal direction, and a plurality of second inlet ports are arranged at intervals along the circumferential direction of the second coil pipe (32).

3. The roasting separation apparatus of claim 2, wherein,

the distance between two adjacent first inlets is equal; and/or the number of the groups of groups,

the distances between two adjacent second inlets are equal.

4. Roasting separation apparatus according to claim 1, characterized in that the separation assembly (30) further comprises a third cyclone (35), the upper end of the stove (10) being provided with a flue gas outlet, the separation inlet of the third cyclone (35) being in communication with the flue gas outlet.

5. The roasting separation apparatus of claim 4, wherein the separation assembly (30) further comprises an absorber tower (36), the first cyclone (33) having a first tail gas outlet, the second cyclone (34) having a second tail gas outlet, the third cyclone (35) having a third tail gas outlet, the first, second and third tail gas outlets all communicating with the absorber tower (36).

6. Roasting separation device according to claim 1, characterized in that the hot blast stove (10) also has a horizontally arranged hot air dispersion net (12), the hot air dispersion net (12) being located above the hot air inlet and below the second coil (32).

7. The roasting separation device according to claim 1, further comprising a storage tank (40), wherein a discharge port is provided at the lower end of the hot blast stove (10), and the storage tank (40) is located below the discharge port and is in communication with the discharge port.

8. A roasting separation apparatus as claimed in claim 1, wherein the second end of the feed pipe (22) is provided with an atomising nozzle.

9. Roasting separation apparatus according to claim 1, characterized in that the feed assembly (20) further comprises a filter (23) and a feed pump (24) arranged on the feed pipe (22), the feed pump (24) being located upstream of the filter (23).

10. The roasting separation apparatus of claim 1, further comprising:

a fuel gas source (50);

the hot air pipe (51), the first end of hot air pipe (51) with gas source (50) intercommunication, the second end of hot air pipe (51) with hot air inlet intercommunication, be provided with the air-blower on hot air pipe (51).