CN110873527A - Hot air heating system of matte mill - Google Patents
Hot air heating system of matte mill Download PDFInfo
- Publication number
- CN110873527A CN110873527A CN201811019888.8A CN201811019888A CN110873527A CN 110873527 A CN110873527 A CN 110873527A CN 201811019888 A CN201811019888 A CN 201811019888A CN 110873527 A CN110873527 A CN 110873527A
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- Prior art keywords
- pipeline
- matte
- steam
- mill
- heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a matte milling hot air heating system, which comprises: the matte mill comprises a matte mill gas outlet and a matte mill gas inlet; a vapor heat exchanger comprising a vapor channel for heat exchange having a vapor inlet and a vapor outlet and a gas channel having a vapor heat exchanger gas inlet and a vapor heat exchanger gas outlet; the first pipeline is communicated between the matte mill gas outlet and the gas inlet of the steam heat exchanger; and the second pipeline is communicated between the gas outlet of the steam heat exchanger and the gas inlet of the matte mill. The matte milling hot air heating system provided by the embodiment of the invention has a simple structure and saves equipment investment. In the steam heat exchanger, the air flow entering the air flow channel and the steam in the steam channel are subjected to heat exchange and temperature rise to be changed into hot air flow, the hot air flow enters the matte mill to dry the matte in the matte mill, and the steam in the steam channel is redundant steam for waste heat power generation or emptying from a smelting plant, so that the operation cost is low.
Description
Technical Field
The invention relates to the technical field of metal smelting, in particular to a matte mill hot air heating system.
Background
In the process of blowing the copper matte by adopting the flash furnace, in order to meet the requirements of granularity and water content of the copper matte entering the flash converting furnace, the copper matte produced by the smelting furnace is finely ground into copper matte powder in a copper matte mill, and hot air is introduced into the copper matte mill to dry the copper matte. In the past engineering practice, hot blast is obtained by heating gas by burning natural gas in a hot blast furnace, but the consumption of natural gas is large and the running cost is high.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide a matte milling hot air heating system which saves equipment investment and has low operation cost.
The hot air heating system for the matte milling machine provided by the embodiment of the invention comprises:
the matte mill comprises a matte mill gas outlet and a matte mill gas inlet;
a vapor heat exchanger comprising a vapor channel for heat exchange having a vapor inlet and a vapor outlet and a gas channel having a vapor heat exchanger gas inlet and a vapor heat exchanger gas outlet; the steam channel is filled with redundant steam for waste heat power generation or emptying from a smelting plant, and the gas channel is filled with airflow for drying the matte mill, so that the steam in the steam channel transfers heat to the airflow in the gas channel;
the first pipeline is communicated between the matte mill gas outlet and the gas inlet of the steam heat exchanger;
and the second pipeline is communicated between the gas outlet of the steam heat exchanger and the gas inlet of the matte mill.
The matte milling hot air heating system provided by the embodiment of the invention mainly comprises the matte mill, a first pipeline, a steam heat exchanger and a second pipeline, has a simple structure, and saves equipment investment. On one hand, the matte mill, the first pipeline, the airflow channel of the steam heat exchanger and the second pipeline form an airflow circulating pipeline, and on the other hand, redundant steam for waste heat power generation or emptying in the smelting plant is conveyed into the steam channel from the steam inlet of the steam channel and then is discharged from the steam outlet of the steam channel. In the steam heat exchanger, the air flow entering the air flow channel exchanges heat with the steam in the steam channel and is heated to become hot air flow, and the hot air flow enters the matte mill through a second pipeline to dry the matte in the matte mill. Because the heat source of the steam heat exchanger adopts the redundant steam used for waste heat power generation or emptying in the smelting plant, the operation cost is low.
According to an embodiment of the invention, the matte milling hot air heating system further comprises a third pipeline, wherein the third pipeline is communicated with the first pipeline and is an open-circuit pipeline.
Furthermore, a third regulating valve is arranged on the third pipeline.
According to some embodiments of the invention, the matte milling hot air heating system further comprises a fourth pipeline, the fourth pipeline is communicated with the first pipeline, and the fourth pipeline is used for supplementing air flow to the first pipeline.
Further, the communication position of the fourth pipeline and the first pipeline is positioned between the third pipeline and the steam heat exchanger.
Furthermore, a fourth regulating valve is arranged on the fourth pipeline.
According to some embodiments of the invention, the first pipeline is provided with a first regulating valve.
Further, the first regulating valve is positioned between the third pipeline and the steam heat exchanger.
Further, the first regulating valve is located between the third pipeline and the fourth pipeline.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a hot air heating system of a matte milling machine according to an embodiment of the invention.
Reference numerals:
matte mill 1 hot air heating system 100
Matte mill 1 matte mill gas outlet 11 matte mill gas inlet 12
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A matte milling hot air heating system according to an embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, a matte milling hot air heating system 100 according to an embodiment of the present invention includes: the device comprises a matte mill 1, a steam heat exchanger 2, a first pipeline 3 and a second pipeline 4. The matte mill 1 comprises a matte mill gas outlet 11 and a matte mill gas inlet 12; the steam heat exchanger 2 comprises a steam channel and a gas flow channel for heat exchange, wherein the steam channel is provided with a steam inlet 21 and a steam outlet 22, and the gas flow channel is provided with a steam heat exchanger gas inlet 23 and a steam heat exchanger gas outlet 24; the steam channel is filled with redundant steam for waste heat power generation or emptying from a smelting plant, and the gas channel is used for filling airflow of the dry matte mill 1 so that the steam in the steam channel transfers heat to the airflow in the gas channel; the first pipeline 3 is communicated between the matte mill gas outlet 11 and the gas inlet 23 of the steam heat exchanger; the second pipeline 4 is communicated between the gas outlet 24 of the steam heat exchanger and the gas inlet 12 of the matte mill.
The matte milling hot air heating system 100 provided by the embodiment of the invention mainly comprises a matte mill 1, a first pipeline 3, a steam heat exchanger 2 and a second pipeline 4, and is simple in structure and capable of saving equipment investment. On one hand, the matte mill 1, the first pipeline 3, the airflow channel of the steam heat exchanger 2 and the second pipeline 4 form an airflow circulating pipeline, and on the other hand, redundant steam for waste heat power generation or emptying in the smelting plant is conveyed into the steam channel from a steam inlet 21 of the steam channel and then is discharged from a steam outlet 22 of the steam channel. In the steam heat exchanger 2, the air flow entering the air flow channel exchanges heat with the steam in the steam channel and is heated to become hot air flow, and the hot air flow enters the matte mill 1 through the second pipeline 4 to dry the matte in the matte mill 1. Because the heat source of the steam heat exchanger 2 adopts the redundant steam used for waste heat power generation or emptying in the smelting plant, the operation cost is low.
According to one embodiment of the invention, a third pipeline 5 is further included, the third pipeline 5 being in communication with the first pipeline 3, the third pipeline 5 being an open pipeline. By providing a third conduit 5 for the gas with a high water content in the open circuit portion.
Further, a third regulating valve 51 is provided on the third pipeline 5. By providing the third regulating valve 51 in the third line 5, the amount of gas that is open-circuited is conveniently controlled.
According to one embodiment of the invention, a fourth line 6 is further included, the fourth line 6 being in communication with the first line 3, the fourth line 6 being used to supplement the first line 3 with the gas flow. Specifically, the communication point of the fourth pipeline 6 and the first pipeline 3 is located between the third pipeline 5 and the steam heat exchanger 2. Through setting up fourth pipeline 6, conveniently mend the air current in to first pipeline 3 to satisfy the dry required gas flow of matte mill 1.
Further, a fourth regulating valve 61 is provided on the fourth line 6. By providing the fourth regulating valve 61 in the fourth line 6, it is facilitated to control the amount of air flow needed to be replenished into the first line 3.
According to one embodiment of the invention, a first regulating valve 31 is provided on the first line 3. In particular, the first regulating valve 31 is located between the third line 5 and the steam heat exchanger 2. More precisely, the first regulating valve 31 is located between the third line 5 and the fourth line 6. Through set up first governing valve 31 on first pipeline 3, the airflow that conveniently controls in the regulation first pipeline 3 gets into the gas flow of steam heat exchanger gas inlet 23, guarantees the required circulating gas flow of matte mill 1 drying.
In addition, in the embodiment of the present invention, the installation positions of the third pipeline 5, the fourth pipeline 6 and the first regulating valve 31 on the first pipeline 3 may be changed according to actual needs. For example, in other embodiments, the communication part of the fourth pipeline and the first pipeline is positioned between the matte grinder and the third pipeline; the first regulating valve can be positioned between the fourth pipeline and the steam heat exchanger, and also can be positioned between the matte mill and the third pipeline, and the first regulating valve can be multiple, for example, a first regulating valve is respectively arranged between the matte mill and the third pipeline, between the third pipeline and the fourth pipeline, and between the fourth pipeline and the steam heat exchanger. In addition, the third pipeline and the fourth pipeline can be used or eliminated according to actual needs.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a copper matte grinds hot-blast heating system which characterized in that includes:
the matte mill comprises a matte mill gas outlet and a matte mill gas inlet;
a vapor heat exchanger comprising a vapor channel for heat exchange having a vapor inlet and a vapor outlet and a gas channel having a vapor heat exchanger gas inlet and a vapor heat exchanger gas outlet; the steam channel is used for introducing redundant steam for waste heat power generation or emptying from a smelting plant, and the gas channel is used for introducing airflow for drying the matte mill so that the steam in the steam channel transfers heat to the airflow in the gas channel;
the first pipeline is communicated between the matte mill gas outlet and the gas inlet of the steam heat exchanger;
and the second pipeline is communicated between the gas outlet of the steam heat exchanger and the gas inlet of the matte mill.
2. The matte mill hot air heating system according to claim 1, further comprising a third pipeline, wherein the third pipeline is communicated with the first pipeline, and the third pipeline is an open-circuit pipeline.
3. The matte milling hot air heating system according to claim 2, wherein a third regulating valve is arranged on the third pipeline.
4. The matte mill hot air heating system according to claim 1, further comprising a fourth pipeline, the fourth pipeline being in communication with the first pipeline, the fourth pipeline being configured to supplement the first pipeline with an air flow.
5. The matte mill hot air heating system according to claim 2, further comprising a fourth pipeline, the fourth pipeline being in communication with the first pipeline, the fourth pipeline being configured to supplement the first pipeline with an air flow.
6. The matte milling hot air heating system according to claim 5, wherein the communication position of the fourth pipeline and the first pipeline is located between the third pipeline and the steam heat exchanger.
7. A matte-mill hot-air heating system according to any one of claims 4-6, wherein a fourth regulating valve is arranged on the fourth pipeline.
8. The matte milling hot air heating system according to any one of claims 1-6, wherein the first pipeline is provided with a first regulating valve.
9. The matte mill hot air heating system according to claim 8, wherein the first regulating valve is located between the third pipeline and the steam heat exchanger.
10. The matte mill hot air heating system according to claim 8, wherein the first regulating valve is located between the third pipeline and the fourth pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019888.8A CN110873527A (en) | 2018-09-03 | 2018-09-03 | Hot air heating system of matte mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019888.8A CN110873527A (en) | 2018-09-03 | 2018-09-03 | Hot air heating system of matte mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110873527A true CN110873527A (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811019888.8A Pending CN110873527A (en) | 2018-09-03 | 2018-09-03 | Hot air heating system of matte mill |
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| CN (1) | CN110873527A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203657412U (en) * | 2013-12-24 | 2014-06-18 | 烨辉（中国）科技材料有限公司 | Hot wind dryer system for drying steel sheets |
| CN204255047U (en) * | 2014-11-27 | 2015-04-08 | 魏星 | A kind of waste heat of boiler tail gas is recycled in artificial leather drying line system |
| CN204421052U (en) * | 2014-12-04 | 2015-06-24 | 博大面业集团有限公司 | A kind of waste heat recovery furnace |
| CN204923788U (en) * | 2015-07-30 | 2015-12-30 | 贵州开磷集团股份有限公司 | A device for carbon element raw materials is dried |
| KR20160005186A (en) * | 2014-07-03 | 2016-01-14 | 길라씨엔아이 주식회사 | Dryer |
-
2018
- 2018-09-03 CN CN201811019888.8A patent/CN110873527A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203657412U (en) * | 2013-12-24 | 2014-06-18 | 烨辉（中国）科技材料有限公司 | Hot wind dryer system for drying steel sheets |
| KR20160005186A (en) * | 2014-07-03 | 2016-01-14 | 길라씨엔아이 주식회사 | Dryer |
| CN204255047U (en) * | 2014-11-27 | 2015-04-08 | 魏星 | A kind of waste heat of boiler tail gas is recycled in artificial leather drying line system |
| CN204421052U (en) * | 2014-12-04 | 2015-06-24 | 博大面业集团有限公司 | A kind of waste heat recovery furnace |
| CN204923788U (en) * | 2015-07-30 | 2015-12-30 | 贵州开磷集团股份有限公司 | A device for carbon element raw materials is dried |
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Application publication date: 20200310 |
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