JPS6040570Y2 - Pulverized coal feeding device to blast furnace - Google Patents
Pulverized coal feeding device to blast furnaceInfo
- Publication number
- JPS6040570Y2 JPS6040570Y2 JP7269983U JP7269983U JPS6040570Y2 JP S6040570 Y2 JPS6040570 Y2 JP S6040570Y2 JP 7269983 U JP7269983 U JP 7269983U JP 7269983 U JP7269983 U JP 7269983U JP S6040570 Y2 JPS6040570 Y2 JP S6040570Y2
- Authority
- JP
- Japan
- Prior art keywords
- pulverized coal
- blast furnace
- tank
- feeding device
- distributor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Air Transport Of Granular Materials (AREA)
- Blast Furnaces (AREA)
Description
【考案の詳細な説明】
本考案は微粉化された燃料取扱い設備に関し、特に通常
使用されているコークスの一部と置換えるべく溶鉱炉内
に微粉化された石炭を供給することのできる微粉化燃料
の送給装置系統の改良に係るものである。[Detailed description of the invention] The present invention relates to a pulverized fuel handling equipment, and in particular to a pulverized fuel that can supply pulverized coal into a blast furnace to replace a part of normally used coke. This relates to improvements to the feeding system.
従来から用いられている溶鉱炉への微粉炭送給装置を第
１図により説明すると、貯蔵バンカー１から取出された
石炭は粉砕機２て粉砕され、粉砕された微粉炭はファン
３を有する熱風発生機４で乾燥され、乾燥された微粉炭
は搬送ダクト５を経由し、分級器６内は送給され、微粉
炭と空気などの混合物を分離したあと、微粉炭は貯蔵タ
ンク７内に送給される。A conventional pulverized coal feeding device to a blast furnace will be explained with reference to FIG. 1. Coal taken out from a storage bunker 1 is pulverized by a pulverizer 2, and the pulverized pulverized coal is passed through a fan 3 to generate hot air. The dried pulverized coal is dried in the machine 4 and is fed into the classifier 6 via the transport duct 5. After separating the pulverized coal from a mixture such as air, the pulverized coal is sent into the storage tank 7. be done.
貯蔵タンク７に送給された微粉炭は配給管路８を経由し
加圧タンク９内に送給され、ここで加圧ガス源１０によ
り微粉炭の流量調節が行われ、しかるのち管路１１を経
由し、エヤー供給源１２により分散器１３及び分配器１
４を通って溶鉱炉１５に供給されるものが知られている
。The pulverized coal fed to the storage tank 7 is fed into the pressurized tank 9 via the distribution pipe 8, where the flow rate of the pulverized coal is adjusted by the pressurized gas source 10, and then the pulverized coal is fed into the pressurized tank 9 via the distribution pipe 8. via the air supply source 12 to the distributor 13 and the distributor 1.
4 is known to be supplied to the blast furnace 15.
しかしながら、この方式によると、単一の微粉炭送給装
置で単一の溶鉱炉に対応しているために、例えば微粉炭
を複数の溶鉱炉へ同時に供給する際にはそれぞれ複数の
微粉炭送給装置を各々独立して備えねばならず、そのた
め設備コスト、ランニングコスト上極めて不利であった
。However, according to this method, since a single pulverized coal feeding device is compatible with a single blast furnace, for example, when feeding pulverized coal to multiple blast furnaces at the same time, each pulverized coal feeding device is Each of these had to be provided independently, which was extremely disadvantageous in terms of equipment costs and running costs.
本考案は、上述の問題点を解決するためになされたもの
であって、複数の溶鉱炉に単一の微粉炭送給装置で対処
し、トータルコストの低下を目的とするものである。The present invention was made to solve the above-mentioned problems, and aims to reduce the total cost by using a single pulverized coal feeding device for a plurality of blast furnaces.
以下、本考案の実施例を図面に基いて説明する。Embodiments of the present invention will be described below with reference to the drawings.
第２図は本考案の溶鉱炉への微粉炭送給装置の説明図で
ある。FIG. 2 is an explanatory diagram of a pulverized coal feeding device to a blast furnace according to the present invention.
１１は石炭を貯蔵するバンカー、１２は貯蔵バンカー１
１から切り出された石炭を粉砕する粉砕機、１３は粉砕
し微粉化された石炭（以降微粉炭という）を乾燥する熱
風発生機で、ファン１４が備えられている。11 is a bunker that stores coal, 12 is a storage bunker 1
A pulverizer 13 crushes the coal cut out from 1, a hot air generator 13 dries the pulverized coal (hereinafter referred to as pulverized coal), and a fan 14 is provided.
１５は乾燥された微粉炭を搬送するダクトで、１６は粉
砕機１２から搬送された空気と微粉炭の混合物を分離す
る分級器、１７は分離された微粉炭を一時貯蔵するタン
クである。15 is a duct for conveying dried pulverized coal, 16 is a classifier for separating the mixture of air and pulverized coal conveyed from the crusher 12, and 17 is a tank for temporarily storing the separated pulverized coal.
１８は貯蔵タンク１７に連設された配給管路であって、
この配給管路１８のそれぞれには遮断弁１８’−１〜４
を介して、複数の加圧タンク１９−１〜２及び１９−３
〜４が２系統設けられている。18 is a distribution pipe connected to the storage tank 17,
Each of the distribution pipes 18 has a shutoff valve 18'-1 to 4.
via a plurality of pressurized tanks 19-1 to 19-2 and 19-3.
- 4 are provided in two systems.
２０は加圧タンク１９−１〜４から延在する放出管路で
あって、この放出管路２０のそれぞれには放出弁２０’
−１〜４を介して導管２１に連設されている。20 is a discharge pipe extending from the pressurized tanks 19-1 to 19-4, and each of the discharge pipes 20 is provided with a discharge valve 20'.
-1 to 4 are connected to the conduit 21.
２２は加圧ガス源であって、この加圧ガス源２２で発生
するガスは前記加圧タンク１９−１〜４及び貯蔵タンク
１７並びに分級器１６内に移送管路２３を経由して供給
される。22 is a pressurized gas source, and the gas generated by this pressurized gas source 22 is supplied to the pressurized tanks 19-1 to 19-4, the storage tank 17, and the classifier 16 via a transfer pipe 23. Ru.
２４はエアー供給源であって、このエアー供給源２４で
発生するエアーは移送管路２３′を経由して、前記導管
２１に備えた分散器２５に導入されるようになっている
。Reference numeral 24 denotes an air supply source, and the air generated by this air supply source 24 is introduced into a distributor 25 provided in the conduit 21 via a transfer pipe 23'.
２６は分配器であって、この分配器２６は、前記分散器
２５に通じる導管２１に連通して設けられており、この
分配器２６より溶鉱炉２７の各羽口ライン２８−ｎを経
由し、各羽口２９−ｎに微粉炭を送給し、溶鉱炉２７内
に微粉炭が供給される。26 is a distributor, and this distributor 26 is provided in communication with the conduit 21 leading to the above-mentioned distributor 25, and from this distributor 26 via each tuyere line 28-n of the blast furnace 27, Pulverized coal is fed to each tuyere 29-n, and the pulverized coal is supplied into the blast furnace 27.
以上のように本考案の構成によれば、複数の溶鉱炉への
微粉炭吸込において、バンカー１１から貯蔵タンク１７
までの設備を共用することができるので、設備及びラン
ニングコストなどのトータルコストが低減され、さりに
はスペースの縮少などの極めて優れた実用的効果を有す
る。As described above, according to the configuration of the present invention, when pulverized coal is sucked into a plurality of blast furnaces, from the bunker 11 to the storage tank 17.
Since the equipment up to this point can be shared, the total cost including equipment and running costs is reduced, and it also has extremely excellent practical effects such as a reduction in space.
第１図は微粉炭送給装置系統の従来方式を示す説明図、
第２図は本考案の微粉炭送給装置の説明図である。
１１・・・・・・石炭の貯蔵バンカー １２・・・・・
・粉砕機、１３・・・・・・熱風発生機、１４・・・・
・・ファン、１５・・・・・・搬送ダクト、１６・・・
・・・分級器、１７・・・・・・貯蔵タンク、１８・・
・・・・配給管路、１９・・・・・・加圧タンク、２０
・・・・・・放出管路、２１・・・・・・導管、２２・
・・・・・加圧ガス源、２３・・・・・・移送管路、２
４・・・・・・エアー発生源、２５・・・・・・分散器
、２６・・・・・・分配器、２７・・・・・・溶鉱炉、
２８・・・・・・羽口ライン、２９・・・・・・羽口。Figure 1 is an explanatory diagram showing the conventional system of pulverized coal feeding system;
FIG. 2 is an explanatory diagram of the pulverized coal feeding device of the present invention. 11... Coal storage bunker 12...
・Crusher, 13...Hot air generator, 14...
...Fan, 15...Transport duct, 16...
...Classifier, 17...Storage tank, 18...
... Distribution pipeline, 19 ... Pressurized tank, 20
...Discharge pipe, 21... Conduit, 22.
... Pressurized gas source, 23 ... Transfer pipe line, 2
4... Air generation source, 25... Distributor, 26... Distributor, 27... Blast furnace,
28...tuyere line, 29...tuyere.
Claims (1)
物を分離する手段と、分離された微粉炭を貯蔵するタン
クと、微粉炭が選択的に重力降下しうろことを可能とし
た加圧タンクと、該加圧タンク及び前記貯蔵タンクをそ
れぞれ加圧する手段と、前記加圧タンクから切出された
微粉炭を稀釈する分散器及び、稀釈された微粉炭を高炉
の羽目へ導く分配器と、該分配器から送風羽目までのラ
イン内に流動ガスを供給する手段とから構成した溶鉱炉
への微粉炭送給装置において、前記貯蔵槽までを共用と
し、前記複数個の加圧タンクを２系統設置し、該加圧タ
ンクの１系統毎にそれぞれ分散器及び分配器を配置し、
微粉炭を複数基の高炉へ同時に、あるいは独立して供給
するようにしたことを特徴とする溶鉱炉への微粉炭送給
装置。Means for crushing and drying the coal, means for separating the mixture of pulverized coal and conveying medium, a tank for storing the separated pulverized coal, and pressurization that allowed the pulverized coal to selectively fall under gravity and scale. a tank, means for pressurizing the pressurized tank and the storage tank, a disperser for diluting the pulverized coal cut out from the pressurized tank, and a distributor for guiding the diluted pulverized coal to the bed of a blast furnace. , a pulverized coal feeding device to a blast furnace comprising a means for supplying fluidized gas into a line from the distributor to the blower, wherein up to the storage tank is shared, and the plurality of pressurized tanks are connected to two systems. a disperser and a distributor for each system of the pressurized tank,
A pulverized coal feeding device to a blast furnace characterized by feeding pulverized coal to a plurality of blast furnaces simultaneously or independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7269983U JPS6040570Y2 (en) | 1983-05-16 | 1983-05-16 | Pulverized coal feeding device to blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7269983U JPS6040570Y2 (en) | 1983-05-16 | 1983-05-16 | Pulverized coal feeding device to blast furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59178353U JPS59178353U (en) | 1984-11-29 |
| JPS6040570Y2 true JPS6040570Y2 (en) | 1985-12-07 |
Family
ID=30202834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7269983U Expired JPS6040570Y2 (en) | 1983-05-16 | 1983-05-16 | Pulverized coal feeding device to blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6040570Y2 (en) |
-
1983
- 1983-05-16 JP JP7269983U patent/JPS6040570Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59178353U (en) | 1984-11-29 |
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