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1. 发明专利

JPS61257774A CONTROL METHOD OF SWEEPING MATERIAL PROJECTION AREA 失效
公开(公告)号：JPS61257774A
公开(公告)日：1986-11-15
申请号：JP9798285
申请日：1985-05-10
申请人： MITSUBISHI HEAVY IND LTD , KAWASAKI STEEL CO , SINTOKOGIO LTD
发明人： SHIMOZATO YOSHIO , EGAWA TSUNEO , YAMANE TAKASHI , MIYAMOTO TADANORI , YUASA HIROYASU , SUGANUMA NAMIO , TAMADA KOJI , OOTA KUNIO , ROKUTANDA HITOSHI
IPC分类号： B24C7/00 , B24C3/14 , B24C5/06
摘要： PURPOSE:To eliminate useless projection of sweeping material thus to maintain high sweeping efficiency by varying the projecting direction of sweeping material through plural projectors in correspondence with the size of work. CONSTITUTION:Sweeping material 18 fed through an opening 20 of distributor 14 into a control gauge 15 is fed out through a delivery port 19 to a projection disc 16 where it is accelerated centrifugally and projected to a strip board 11. In case of wide strip board 11, the position of the delivery port 19 is corrected such that the sweeping material 18 is projected downward and to set such that the overlapping area of plural projectors 12 is reduced thus to project the sweeping material 18 entirely over the strip board 11. While in case of narrow strip board 11, the projecting direction is inclined against the strip board 11 thus to increase the overlapping area of plural projectors 12.

2. 发明专利

JPS5997711A DESCALING METHOD OF STEEL STRIP 失效
公开(公告)号：JPS5997711A
公开(公告)日：1984-06-05
申请号：JP20800882
申请日：1982-11-26
申请人： MITSUBISHI HEAVY IND LTD , SINTOKOGIO LTD
发明人： SHIMOZATO YOSHIO , OOMORI SHIYUNJI , EGAWA TSUNEO , MIYAMOTO TADANORI , TAMADA KOUJI , OOTA KUNIROU , TACHIKI HISAMOTO , ROKUTANDA HITOSHI
IPC分类号： C23G3/02 , B21B45/06 , B24C1/00
摘要： PURPOSE:To remove securely and easily scale from a steel strip in a narrow place with less energy consumption and to finish the surface thereof by blasting, by means of air, an abrasive material having a specified grain size from the position of a specific distance onto the surface of the traveling steel strip. CONSTITUTION:An abrasive material having

3. 发明专利

JPS5920478A Descaling method of steel strip 失效
标题翻译：钢筋剥离方法
公开(公告)号：JPS5920478A
公开(公告)日：1984-02-02
申请号：JP12755582
申请日：1982-07-23
申请人： Mitsubishi Heavy Ind Ltd , Sintokogio Ltd
发明人： SHIMOZATO YOSHIO , OOMORI SHIYUNJI , EGAWA TSUNEO , MIYAMOTO TADANORI , TAMADA KOUJI , OOTA KUNIO , TACHIKI HISAMOTO , ROKUTANDA HITOSHI
IPC分类号： B21B45/06 , C23G1/08
CPC分类号： C23G1/08
摘要： PURPOSE:To descale thoroughly a hot rolled steel strip by pickling for an extremely short time in the stage of descaling the same by a physical method and pickling, by heating the steel strip up to the reaction temp. for pickling prior to the pickling. CONSTITUTION:A hot rolled steel strip 1 which is stuck with scale on the surfaces is conducted into a physical descaler 4, where about 80% of the scale deposited thereon is mechanically removed by a method such as blasting of abrasive materials. The steel strip is then introduced into a heater 5 where hot water is sprayed thereto to clean the surfaces and the strip is heated to the reaction temp. for pickling, i.e., 70-90 deg.C. The heated strip 1 is then put into a pickling tank 6, and is subjected to pickling with the hydrochloric acid or sulfuric acid therein whereby about 20% the remaining scale is thoroughly dissolved away in a short time. The acid stuck thereon is washed in a washing tank 7; thereafter, the washed strip is dried in a dryer 8.
摘要翻译：目的：通过物理方法和酸洗，通过将钢带加热至反应温度，通过酸洗在非常短的时间内除锈，彻底除锈。在酸洗之前进行酸洗。构成：在表面上贴上标尺的热轧钢带1被导入物理除垢器4中，其中通过诸如研磨材料的喷砂的方法机械地去除沉积在其上的垢的约80％。然后将钢带引入加热器5中，其中向其喷射热水以清洁表面，并将带材加热至反应温度。酸洗，即70-90℃。然后将加热的带1放入酸洗槽6中，并用其中的盐酸或硫酸进行酸洗，其中约20％的剩余垢在短时间内彻底溶解。粘贴在其上的酸在洗涤槽7中洗涤; 此后，将洗涤后的带材在干燥机8中干燥。

4. 发明专利

JPS60130414A DESCALING METHOD OF STEEL STRIP 失效
公开(公告)号：JPS60130414A
公开(公告)日：1985-07-11
申请号：JP23884883
申请日：1983-12-20
申请人： MITSUBISHI HEAVY IND LTD , KAWASAKI STEEL CO , SINTOKOGIO LTD
发明人： SHIMOZATO YOSHIO , EGAWA TSUNEO , MIYAMOTO TADANORI , ISHII KOUICHI , SUGANUMA NAMIO , YUASA HIROYASU , TAMADA KOUJI , OOTA NORIO , ROKUTANDA HITOSHI
IPC分类号： B21B45/06 , B24C1/08 , C23G1/08
摘要： PURPOSE:To reduce energy consumption required for blasting and to save energy loss due to mutual interference between projecting materials by providing an elongation percentage to a steel strip by stretching and bending it and descaling it by projecting a grinding and cleaning material on it. CONSTITUTION:A steel strip 1 is provided with scale breaking by a scale breaker 3 after passing a roll 2, and is sent to a grinding and cleaning chamber 5a through rolls 4 and 14. The scale breaker 3 provides >=0.4% elongation to the steel strip 1 by stretching and bending, to break the scales. The strip 1 is then descaled in the chamber 5a by projecting a grinding and cleaning material on it from projecting devices 6a, 6b. After passing through the chamber 5a, the strip 1 enters a grinding and cleaning chamber 5b again through rolls 7, 8, and is descaled again by the grinding and cleaning material projected from projecting devices 6c, 6d. Further, after passing rolls 9, 10, and 11, the strip 1 is fed to a pickling bath 13, and is perfectly descaled and then transferred to the next process through a roll 12.

5. 发明专利

JPS5997712A ABRASIVE CLEANING DEVICE OF STEEL STRIP 失效
公开(公告)号：JPS5997712A
公开(公告)日：1984-06-05
申请号：JP20800982
申请日：1982-11-26
申请人： MITSUBISHI HEAVY IND LTD , SINTOKOGIO LTD
发明人： SHIMOZATO YOSHIO , OOMORI SHIYUNJI , EGAWA TSUNEO , MIYAMOTO TADANORI , TAMADA KOUJI , OOTA KUNIROU , TACHIKI HISAMOTO , ROKUTANDA HITOSHI
IPC分类号： C23G3/02 , B21B45/06 , B24C3/14
摘要： PURPOSE:To provide a titled device which can clean abrasively and efficiently a steel strip having various wide or narrow widths by the constitution wherein a base plate carrying an abrasive material blasting device is turned and the scattering range of the abrasive material is adjusted by changing the angle in the longitudinal direction of a passage port provided to the base plate. CONSTITUTION:A passage port 3 for an abrasive material is opened in the wall part 1 of a vertical shape cabinet C and a circular base plate 3 provided with a rectangular-shaped passage port 3 facing the port 3 is freely turnably mounted on the outside surface in the wall part 1, then an a brasive material blasting device 8 of an impeller type is attached on the surface thereof by matching the blasting aperture 8a thereof with the port 7 in an abrasive cleaning device which cleans abrasively a steel strip traveling vertically in the cabinet C by the device 8. Said device 8 consists of a casing 9 contg. an impeller, a bearing 10, a motor 11 and a transmission means 12 connecting the same. The above-mentioned plate 3 of which the lower part is supported, via supporting rolls 5 on a guide rail 4 and the upper part is supported on a roll mounted on a bracket is turned by the operation of a motor 15 and a cylinder 16.

6. 发明专利

JPS6234776A SURFACE TREATMENT OF STEEL SHEET 失效
公开(公告)号：JPS6234776A
公开(公告)日：1987-02-14
申请号：JP17265585
申请日：1985-08-06
申请人： MITSUBISHI HEAVY IND LTD , SINTOKOGIO LTD
发明人： SHIMOZATO YOSHIO , EGAWA TSUNEO , YAMANE TAKASHI , MIYAMOTO TADANORI , TAMADA KOJI , OOTA KUNIO , ROKUTANDA HITOSHI
IPC分类号： B24C1/00 , B24C3/14
摘要： PURPOSE:To improve substantially overall blow efficiency of abrasive material by blowing abrasive material against a moving steel sheet, with the blow slanted to form an acute angle against both the steel sheet movement direction and the steel sheet width direction, thereby reducing loss of energy due to collisions within the abrasive material. CONSTITUTION:From plural centrifugal blow devices 2 placed side by side under a steel sheet 1 moving in one direction, abrasive material 3 is blown against the steel sheet 1. In this case, the abrasive material 3 is blown with a slant to form an acute angle against both the direction of movement of the steel sheet 1 and the direction of the width of the steel sheet. Namely, the abrasive material 3 is blown in plural blow areas having small spread areas over the direction of sheet width (d) of the steel sheet 1 to combine plural blow areas in the sheet width direction to form a compound effective blow area. As a result, ineffective flow of the abrasive material 3 is lessened, loss of energy due to collision within the abrasive material is lessened, and blow efficiency of the abrasive material 3 is enhanced.

7. 发明专利

JPS59223111A DESCALING METHOD 失效
公开(公告)号：JPS59223111A
公开(公告)日：1984-12-14
申请号：JP9698583
申请日：1983-06-02
申请人： MITSUBISHI HEAVY IND LTD , SINTOKOGIO LTD
发明人： SHIMOZATO YOSHIO , EGAWA TSUNEO , MIYAMOTO TADANORI , TAMADA KOUJI , OOTA NORIO , ROKUTANDA HITOSHI
IPC分类号： B21B45/06
摘要： PURPOSE:To descale efficiently a steel strip and to improve surface quality by projecting mechanically a fine granular abrasive material to the strip to blast the same and descaling further the strip with a rotating tool then pickling the steel strip. CONSTITUTION:A hot rolled steel strip 1 is blasted by means of an abrasive material having

8. 发明专利

JPS5920480A Descaling method of steel strip 失效
标题翻译：钢筋剥离方法
公开(公告)号：JPS5920480A
公开(公告)日：1984-02-02
申请号：JP12755382
申请日：1982-07-23
申请人： Mitsubishi Heavy Ind Ltd , Sintokogio Ltd
发明人： SHIMOZATO YOSHIO , OOMORI SHIYUNJI , EGAWA TSUNEO , MIYAMOTO TADANORI , TAMADA KOUJI , OOTA KUNIO , TACHIKI HISAMOTO , ROKUTANDA HITOSHI
IPC分类号： C23G5/00 , B21B45/06
摘要： PURPOSE: To descale a hot rolled steel strip which is stuck with scale on the surfaces at a low cost without increasing the surface roughness, by blasting fine abrasive materials to said steel plate under specific blasting conditions.
CONSTITUTION: A steel strip 1 having scale layers on the surfaces after hot rolling is passed in shot-blasting chambers 7, 8 while the strip is continuously moved vertically twice with plural deflector rolls 2, 3, 4, 5, 6. Abrasive materials of about ≤0.3mm grain size are blasted to the surfaces of the strip 1 from within about 1,000mm blasting distance at ≥30m/sec blasting rate by plural blasting devices 9a, 9b, 10a, 10b. The surfaces are descaled at a low cost while the surface roughness of about the surface by pickling is assured.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：在特定的爆破条件下，通过将细磨料抛光到所述钢板上，以低成本除垢表面附着的热轧带钢，而不增加表面粗糙度。构成：在热轧后的表面上具有刻度层的钢带1在喷丸室7,8中通过，同时使带有多个偏转辊2,3,4,5,6的垂直方向连续移动两次。研磨材料约<= 0.3mm。晶粒尺寸从约1,000mm内的条带1喷出。多次喷砂装置9a，9b，10a，10b的爆破距离> 30m / sec。表面以低成本除鳞，同时通过酸洗确保表面粗糙度。

9. 发明专利

JPS61219573A METHOD OF PREVENTING INTERFERENCE BY GRINDING/SWEEPING MATERIAL IN GRINDING/SWEEPING FOR BAND STEEL 失效
公开(公告)号：JPS61219573A
公开(公告)日：1986-09-29
申请号：JP5829685
申请日：1985-03-25
申请人： MITSUBISHI HEAVY IND LTD , KAWASAKI STEEL CO , SINTOKOGIO LTD
发明人： SHIMOZATO YOSHIO , EGAWA TSUNEO , YAMANE TAKASHI , MIYAMOTO TADANORI , SUGANUMA NAMIO , ISHII KOICHI , YUASA HIROYASU , TAMADA KOJI , OOTA KUNIO , ROKUTANDA HITOSHI
IPC分类号： B24C7/00
摘要： PURPOSE:To prevent passing and dropping of grinding/sweeping material, scales and the like by providing a partition plate provided with a port for a band steel to pass through, between upper and lower grinding/sweeping chambers of a grinding/sweeping device for the band steel and blocking a gap between the band steel and the above- mentioned port mechanically, hydraulically and magnetically. CONSTITUTION:A cabinet 1 is partitioned into an upper grinding/sweeping chamber 3 and a lower similar chamber 4 by means of a partition plate 2, while ports 8, 9, 10 for a band steel 7 to pass through are provided in the bottom 5, the partition plate 2 and the ceiling plate 6 of the cabinet 1 respectively. Further, a cylindrical wire brush 17 is rotatably provided as a means to block a gap between the above- mentioned port 9 and the band steel 7. Thus, grinding/sweeping material, scales and the like produced in said upper chamber 3 do not drop into said lower chamber 4. As other measure to block the gap, a rubber plate 18 is provided on the partition plate 2, and an air injection nozzle 19 is fitted towards said port 9, or an electromagnet 20 is provided on the upper side of said port 9. Interference by grinding/sweeping material can be prevented by the measures mentioned above.

10. 发明专利

JPS5919676A Descaling method 失效
标题翻译：分解方法
公开(公告)号：JPS5919676A
公开(公告)日：1984-02-01
申请号：JP12755482
申请日：1982-07-23
申请人： Mitsubishi Heavy Ind Ltd , Sintokogio Ltd
发明人： SHIMOZATO YOSHIO , OOMORI SHIYUNJI , EGAWA TSUNEO , MIYAMOTO TADANORI , TAMADA KOUJI , OOTA KUNIO , TACHIKI HISAMOTO , ROKUTANDA HITOSHI
IPC分类号： C23G5/00 , B24C1/00 , B24C3/10
CPC分类号： B24C1/086 , B24C3/10
摘要： PURPOSE:To reduce energy consumption per unit area in removing scale attached to the surface of milled hoop by blasting abrasives having grains of a specific diameter against the hoop to remove a portion of scale and then utilizing a mechanical or fluid force to remove residual scale. CONSTITUTION:Hot milled hoop 1 is sent to a grinding-off chamber 3a provided between rolls 4 and 5, and scales attached to both surfaces of the hoop 1 are simultaneouly removed by abrasives blasted through a blast devices 2a, 2b within about 1,100mm. of blast distance and having grain diameter less than about 0.35mm.. Next, the hoop 1 is sent to the next grinding-off chamber 3b between rolls 6 and 7 to remove again the scale by blast devices 2c, 2d. Thereafter, the hoop 1 is sent to a grinding-off chamber 9 between rolls 8 and 14 to perform descaling with brushes 10, 12 of rotary tools for complete removal of the scale.
摘要翻译：目的：为了减少单位面积的消耗，通过将具有特定直径的颗粒的磨料喷射到环上以去除一部分水垢，然后利用机械或流体力去除残留的氧化皮，去除附着在铣削表面上的垢。构成：热轧环1被送到设置在辊4和5之间的研磨室3a，并且通过在约1,100mm内的鼓风装置2a，2b喷砂的研磨剂同时除去附着在环1的两个表面上的鳞片。的冲击距离，并且具有小于约0.35mm的粒径。接下来，箍1被送到辊6和7之间的下一个研磨室3b，以通过鼓风装置2c，2d再次去除刻度。此后，环1被送到滚筒8和14之间的研磨室9中，以对旋转工具的刷子10,12进行除垢，以完全去除刻度。

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