JPS6311278A - Abrasive supplying method in descaling device - Google Patents
Abrasive supplying method in descaling deviceInfo
- Publication number
- JPS6311278A JPS6311278A JP15489586A JP15489586A JPS6311278A JP S6311278 A JPS6311278 A JP S6311278A JP 15489586 A JP15489586 A JP 15489586A JP 15489586 A JP15489586 A JP 15489586A JP S6311278 A JPS6311278 A JP S6311278A
- Authority
- JP
- Japan
- Prior art keywords
- abrasive
- tank
- abrasive material
- controller
- consumption
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 15
- 239000003082 abrasive agent Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002002 slurry Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〈発明の目的〉
産業上の利用分野
本発明は脱スケール装置における研磨材補給方法に係り
、詳しくは、スケールの除去、錆の除去および表面の精
度調整等に好適な脱スケール装置における研磨材補給方
法に係る。[Detailed description of the invention] <Object of the invention> Industrial field of application The present invention relates to a method for replenishing abrasive material in a descaling device, and more specifically, it relates to a method for replenishing abrasive material in a descaling device, and more specifically, it relates to a method for replenishing abrasive material in a descaling device. The present invention relates to a method for replenishing abrasive material in a descaling device.
従 来 の 技 術
従来、スラリー状研磨材と高圧水との混合流体によって
熱延鋼帯のスケールを除去する場合には第３図に示すよ
うに、スラリー状の研磨材３はタンク１からポンプ５に
よってノズルＧへ供給され、また、高圧水はタンク１２
よりポンプ１４によって高圧水用ノズル１１に供給され
、研磨材スラリー１は高圧水８と混合し、加速されて鋼
帯９に衝突し、スケールを研１１ｉする。研掃されたス
ケールと脱スケールにより摩耗したスラリー状の研磨材
はトレイ１０に受けられてタンク１に送られ破壊され微
細化した研磨材はタンクからオーバーフローして輸送用
タンク２０に送られる。Conventional technology Conventionally, when removing scale from a hot rolled steel strip using a fluid mixture of a slurry abrasive material and high-pressure water, the slurry abrasive material 3 is pumped from a tank 1, as shown in Figure 3. 5 to the nozzle G, and high pressure water is supplied to the tank 12
The abrasive slurry 1 is supplied to the high-pressure water nozzle 11 by the pump 14, mixes with the high-pressure water 8, is accelerated and collides with the steel strip 9, and grinds the scale 11i. The slurry-like abrasive material worn by the polished scale and descaling is received by the tray 10 and sent to the tank 1, and the broken and fine abrasive material overflows from the tank and sent to the transportation tank 20.
このとぎ、粒度の大ぎい研磨材はタンク１にたまる。At this point, the abrasive material with large particles accumulates in the tank 1.
この際に消費された研磨材３の補給は特公昭５９−４９
８Ｇ５号に提示されているようにタンク１で研磨材３の
上端レベルをレベル計によって検出し、一定量以下とな
った時に研磨材をその貯蔵タンク１Ｇより補給していた
。しかし、タンク内での乱流および研磨材と水との混合
状態が不均一であるため安定したレベル検出ができず、
このため、一定時間毎に研磨材を補給することが行なわ
れていた。しかし、この方法ではラインの停止時に高圧
水供給ポンプ１４を低圧巳こする等により研磨材の消耗
量が減少しても研磨材は連続的に供給されること、また
、熱延鋼帯のスケール生成状態に応じた必要なスケール
の除去動力を、高圧水の高圧又は低圧の切替により必要
なエネルギーを付与する場合又は高圧水の圧力を必要な
エネルギーを得るために変化させる場合に、その研磨材
の時間当りの消耗量は著しく異なる等の問題がある。The abrasive material 3 consumed at this time was replenished in the 1980s.
As disclosed in No. 8G5, the upper level of the abrasive material 3 in the tank 1 was detected by a level meter, and when the level fell below a certain level, the abrasive material was replenished from the storage tank 1G. However, stable level detection is not possible due to turbulence in the tank and uneven mixing of the abrasive and water.
For this reason, abrasive material has been replenished at regular intervals. However, with this method, the abrasive is continuously supplied even if the amount of abrasive is reduced by, for example, turning the high-pressure water supply pump 14 to low-pressure water when the line is stopped, and the scale of the hot-rolled steel strip is The abrasive material is used when applying the necessary energy for removing scale according to the generation state by switching between high pressure or low pressure of high pressure water, or when changing the pressure of high pressure water to obtain the necessary energy. There are problems such as the amount of consumption per hour differs significantly.
発明が解決しようとする問題点
本発明はこれらの問題点の解決を目的とし、具体的には
、高圧ポンプの消費電力に応じて研磨材をタンクに補給
することによって、信頼性の高い安定した操業を行なう
ことのできる脱スケール装置における研磨材補給方法を
提供することを目的とする。Problems to be Solved by the Invention The present invention aims to solve these problems. Specifically, by replenishing the tank with abrasive material according to the power consumption of the high-pressure pump, a highly reliable and stable The object of the present invention is to provide a method for replenishing abrasive material in a descaling device that can be operated.
〈発明の構成〉
問題点を解決するための
手段ならびにその作用
本発明は、研磨材タンクから供給されるスラリー状の研
磨材を、高圧ポンプにより圧送される高圧水により加速
して鋼帯に投射すると共に、この投射したスラリー状の
研磨材を前記研磨材タンクに循環する脱スケール装置に
おいて、前記研磨材タンクに消耗した研磨材を補給する
際に、予め求めておいた前記高圧ポンプを駆動するモー
タの電力積ロ値と研磨材の消耗量との関係にもとづいて
、研磨材の消耗量を推定し、この推定した円の研磨材を
前記研磨材タンクに補給することを￥１黴とする。<Structure of the Invention> Means for Solving the Problems and Their Effects The present invention accelerates a slurry-like abrasive supplied from an abrasive tank with high-pressure water pumped by a high-pressure pump and projects it onto a steel strip. At the same time, in the descaling device that circulates the projected slurry-like abrasive to the abrasive tank, the predetermined high-pressure pump is driven when replenishing the abrasive tank with exhausted abrasive material. Estimate the amount of abrasive consumption based on the relationship between the electric power product of the motor and the amount of abrasive consumption, and replenish the estimated circle of abrasive material into the abrasive tank for 1 yen. .
以下、図面によって本発明の構成ならびに作用を説明す
ると、次の通りである。The structure and operation of the present invention will be explained below with reference to the drawings.
第１図は高圧ポンプモータの電力積算値と研磨材消耗ｍ
との関係を示すグラフであり、第２図は高圧ポンプモー
タの回転数より締出して研磨材の補給指令を出す制御系
の工程図であり、第３図は従来のスケール除去装置の説
明図である。Figure 1 shows the integrated power value of the high-pressure pump motor and the abrasive consumption m.
Fig. 2 is a process diagram of a control system that issues an abrasive replenishment command by controlling the rotation speed of a high-pressure pump motor, and Fig. 3 is an explanatory diagram of a conventional scale removal device. It is.
すなわち、本発明は高圧ポンプの消費電力と研磨材消耗
口の間に直線関係があることに着目し、高圧ポンプの消
費電力に応じて研磨材をタンクに補給することによって
安定した脱スケールを行なうものである。That is, the present invention focuses on the linear relationship between the power consumption of the high-pressure pump and the abrasive material consumption port, and performs stable descaling by replenishing the tank with abrasive material according to the power consumption of the high-pressure pump. It is something.
以下、本発明に係る研磨材補給方法を説明する。The abrasive replenishment method according to the present invention will be explained below.
まず、予め高圧ポンプモータ１５の消費電力と研磨材消
耗量の関係を求めておく。己れを第１図に示す。First, the relationship between the power consumption of the high-pressure pump motor 15 and the amount of abrasive consumption is determined in advance. This is shown in Figure 1.
次に、第３図に示すように、スラリー状の研磨材３をタ
ンク１からポンプ５によってノズル６に供給し、一方、
高圧水はタンク１２からポンプ１４によって高圧水ノズ
ル１１に供給し、研磨材７は高圧水８と混合投射される
ことによって加速され鋼帯９に衝突しスケールを研楠す
る。研局されたスケールとスラリー状の研磨材ばトレイ
に受けられてタンク１に戻るが、破壊され微細化された
研磨材はタンク１からオーバーフローしてタンク２０に
送られる。Next, as shown in FIG. 3, slurry-like abrasive material 3 is supplied from tank 1 to nozzle 6 by pump 5;
High-pressure water is supplied from a tank 12 to a high-pressure water nozzle 11 by a pump 14, and the abrasive material 7 is mixed with high-pressure water 8, accelerated, and collides with the steel strip 9 to polish the scale. The refined scale and slurry-like abrasive material are received by a tray and returned to tank 1, but the broken and finely divided abrasive material overflows from tank 1 and is sent to tank 20.
この際に消費された研磨材の補給は高圧ポンプモータ１
５の電力１ａｎｌｌＩＩが所定の値に達したところで、
予め第１図から求めておいた所定電力積陣値に対応する
研磨材消耗量を補給用ポンプ１９を規定ｒｆｔ間運転す
ることによってタンク１に補給する。己れをライン停ｉ
しまで繰返す口とによって鋼帯の脱スケールを行なう。At this time, the consumed abrasive material is replenished by the high-pressure pump motor 1.
When the power 1anllII of 5 reaches a predetermined value,
The tank 1 is replenished by operating the replenishment pump 19 for a specified rft with the amount of abrasive consumption corresponding to a predetermined power accumulation value determined in advance from FIG. Stop myself on the line
The steel strip is descaled by repeating the descaling process until it reaches its peak.
消耗した研磨材の補給は、いつでも可能であるが、以上
のようにモータ３５の電力４？４算値が所定値に達した
とごろで行なう方が実用的である。Although it is possible to replenish the exhausted abrasive material at any time, it is more practical to replenish the abrasive material when the electric power 4-4 value of the motor 35 reaches a predetermined value as described above.
また、研ｒ！ｊ材を人容伍の貯蔵タンクから輸送ルート
（例えばベルトコンベア）を駆動する口とにより同様に
研磨材の補給を行なっても良い。Also, Kenr! Replenishment of the abrasive material may also be effected in the same manner by means of a port that drives the transport route (for example, a belt conveyor) from a storage tank containing a large number of people.
更に、電力積口の方法は高圧水ポンプモータの回転数と
消費電力の関係式を使用しても良い。Furthermore, the power product method may use a relational expression between the rotational speed of the high-pressure water pump motor and the power consumption.
実施例 以下、実施例により更に説明する。Example This will be further explained below using examples.
第３図に示すスケール除去装置によって羽帯の研掃を実
施し、消費された研磨材の補給を第２図に示す制御工程
により高圧ポンプモータ１５の電力積算値に対応して行
なった。The blade belt was ground by the scale removing device shown in FIG. 3, and the consumed abrasive material was replenished according to the integrated power value of the high-pressure pump motor 15 by the control process shown in FIG.
すなわち、高圧ポンプモータ１５の回転数を検出器３０
で検出し、制御器３１で時間当りの回転数に変換し、こ
れを電力量に変換する制御器３２、更に、Ｌ：れを積算
し所定の電力値に達したところで、指令を出す制御器３
３および制御器３３からの指令を受けて研磨材補給ポン
プ１９を駆動するモータ３５を設定時間運転する指令を
出す制御器３４を使用し、前記所定の電力値を１００Ｋ
引１に設定し、また、研摩材補給ポンプの運転設定時間
を’ ２０ｍ１ｎに設定して運転し、これをライン停
止まで繰返すことにより研磨材の補給を安定して実施す
ることができた。That is, the rotation speed of the high pressure pump motor 15 is detected by the detector 30.
, a controller 31 converts it into the number of revolutions per hour, and a controller 32 that converts this into electric energy; 3
3 and the controller 34, which issues a command to operate the motor 35 that drives the abrasive replenishment pump 19 for a set time in response to commands from the controller 33, to increase the predetermined power value to 100K.
The abrasive replenishment pump was set to 1 and the operating time of the abrasive replenishment pump was set to 20 m1n, and by repeating this until the line stopped, it was possible to replenish the abrasive in a stable manner.
〈発明の効果〉
以上説明したように、本発明は、研磨材タンクから供給
されるスラリー状の研磨材を、高圧ポンプにより圧送さ
れる高圧水によ０加速して鋼帯に投射すると共に、この
投射したスラリー状の研磨材を前記研磨材タンクに循環
する脱スケール装置において、前記研磨材タンクに消耗
した研磨材を補給する際に、予め求めておいた前記高圧
ポンプと駆動するモータの電力積算値と研摩材の消耗量
との関係にもとづいて、研磨材の消耗量を推定し、この
推定した量の研磨材を前記研磨材タンクに補給する口と
を特徴とするものであって、本発明に係る補給方法によ
って研磨材の消耗量に見合った補給が容易となり、安定
した鋼帯の脱スケール操業ができるようになった。<Effects of the Invention> As explained above, the present invention accelerates a slurry-like abrasive supplied from an abrasive tank with high-pressure water pumped by a high-pressure pump and projects it onto a steel strip. In a descaling device that circulates this projected slurry-like abrasive material to the abrasive tank, when replenishing the abrasive tank with the used abrasive material, the electric power of the high-pressure pump and the driving motor determined in advance is determined. A mouth for estimating the consumption amount of the abrasive material based on the relationship between the integrated value and the consumption amount of the abrasive material and replenishing the estimated amount of the abrasive material to the abrasive material tank, The replenishment method according to the present invention facilitates replenishment commensurate with the amount of abrasive consumed, making it possible to perform stable steel strip descaling operations.
また、本発明は鋼帯の脱スケール以外に錆の除去および
表面の粗度調整等にも好適に使用できる。In addition to descaling steel strips, the present invention can also be suitably used for rust removal and surface roughness adjustment.
第１図は高圧ポンプモータの電力積算値と研磨材タンク
との関係を示すグラフ、第２図は高圧ポンプモータの回
転数より算出して研磨材の補給指令を出す制帥系の工程
図、第３図は従来のスケール除去装置の説明図である。
符号１・・・・・・研磨材タンク ２．１３．１７・・
・・・・水３・・・・・・研磨材 ５・・・・・
・ポンプ６・・・・・・研磨材スラリー投射ノズル７・
・・・・・研磨材スラリー
８・・・・・・高圧水 ９・・・・・・鋼帯１０
・・・・・・トレイ １１・・・・・・高圧水ノ
ズル１２・・・・・・高圧水タンク
１４．１９．２２・・・・・・ポンプ
１５．３５・・・・・・モータ １Ｇ・・・・・・貯
蔵タンク１８・・・・・・補給用研磨材Fig. 1 is a graph showing the relationship between the integrated power value of the high-pressure pump motor and the abrasive tank, Fig. 2 is a process diagram of the control system that calculates from the rotation speed of the high-pressure pump motor and issues an abrasive replenishment command, FIG. 3 is an explanatory diagram of a conventional scale removal device. Code 1... Abrasive tank 2.13.17...
...Water 3...Abrasive material 5...
・Pump 6... Abrasive slurry projection nozzle 7・
... Abrasive slurry 8 ... High pressure water 9 ... Steel strip 10
...Tray 11 ... High pressure water nozzle 12 ... High pressure water tank 14.19.22 ... Pump 15.35 ... Motor 1G ... Storage tank 18 ... Replenishment abrasive material
Claims (1)
圧ポンプにより圧送される高圧水により加速して鋼帯に
投射すると共に、この投射したスラリー状の研磨材を前
記研磨材タンクに循環する脱スケール装置において、前
記研磨材タンクに消耗した研磨材を補給する際に、予め
求めておいた前記高圧ポンプを駆動するモータの電力積
算値と研磨材の消耗量との関係にもとづいて、研磨材の
消耗量を推定し、この推定した量の研磨材を前記研磨材
タンクに補給することを特徴とする脱スケール装置にお
ける研磨材補給方法。A slurry-like abrasive supplied from an abrasive tank is accelerated by high-pressure water pumped by a high-pressure pump and projected onto a steel strip, and at the same time, this projected slurry-like abrasive is circulated to the abrasive tank. In the scale device, when replenishing the abrasive material tank with the abrasive material that has been consumed, the abrasive material is refilled based on the relationship between the integrated power value of the motor that drives the high-pressure pump and the consumed amount of the abrasive material, which has been determined in advance. A method for replenishing an abrasive material in a descaling apparatus, comprising estimating a consumption amount of the abrasive material and replenishing the abrasive material tank in the estimated amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15489586A JPH0753346B2 (en) | 1986-07-01 | 1986-07-01 | Abrasive replenishment method in descaling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15489586A JPH0753346B2 (en) | 1986-07-01 | 1986-07-01 | Abrasive replenishment method in descaling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6311278A true JPS6311278A (en) | 1988-01-18 |
| JPH0753346B2 JPH0753346B2 (en) | 1995-06-07 |
Family
ID=15594303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15489586A Expired - Lifetime JPH0753346B2 (en) | 1986-07-01 | 1986-07-01 | Abrasive replenishment method in descaling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753346B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017512668A (en) * | 2014-04-04 | 2017-05-25 | エーエヌティー アプライド ニュー テクノロジーズ エージーＡｎｔ Ａｐｐｌｉｅｄ Ｎｅｗ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ａｇ | Water abrasive suspension cutting device |
| JP2020515421A (en) * | 2017-03-31 | 2020-05-28 | エーエヌティー アプライド ニュー テクノロジーズ エージーＡｎｔ Ａｐｐｌｉｅｄ Ｎｅｗ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ａｇ | Water-abrasive suspension jet cutting device and water-abrasive suspension jet cutting method |
-
1986
- 1986-07-01 JP JP15489586A patent/JPH0753346B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017512668A (en) * | 2014-04-04 | 2017-05-25 | エーエヌティー アプライド ニュー テクノロジーズ エージーＡｎｔ Ａｐｐｌｉｅｄ Ｎｅｗ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ａｇ | Water abrasive suspension cutting device |
| US10189144B2 (en) | 2014-04-04 | 2019-01-29 | Ant Applied New Technologies Ag | Water-abrasive-suspension cutting system |
| JP2020515421A (en) * | 2017-03-31 | 2020-05-28 | エーエヌティー アプライド ニュー テクノロジーズ エージーＡｎｔ Ａｐｐｌｉｅｄ Ｎｅｗ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ａｇ | Water-abrasive suspension jet cutting device and water-abrasive suspension jet cutting method |
| US11511392B2 (en) | 2017-03-31 | 2022-11-29 | Ant Applied New Technologies Ag | Water abrasive suspension cutting system and method for water abrasive suspension cutting |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753346B2 (en) | 1995-06-07 |
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