CN104451009A - Replacing apparatus and replacing method of blast furnace welding type cooling plate assembly - Google Patents

Replacing apparatus and replacing method of blast furnace welding type cooling plate assembly Download PDF

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Publication number
CN104451009A
CN104451009A CN201310422637.5A CN201310422637A CN104451009A CN 104451009 A CN104451009 A CN 104451009A CN 201310422637 A CN201310422637 A CN 201310422637A CN 104451009 A CN104451009 A CN 104451009A
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CN
China
Prior art keywords
cooling plate
plate assembly
hydraulic jack
blast furnace
screw thread
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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.)
Pending
Application number
CN201310422637.5A
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Chinese (zh)
Inventor
俞樟勇
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
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Publication date
Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Priority to CN201310422637.5A priority Critical patent/CN104451009A/en
Publication of CN104451009A publication Critical patent/CN104451009A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B7/00Blast furnaces
    • C21B7/10Cooling; Devices therefor

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Blast Furnaces (AREA)

Abstract

The present invention relates to a replacing apparatus and a replacing method of a blast furnace welding type cooling plate assembly. The replacing apparatus comprises a hydraulic jack stand, two hydraulic jacks, two trunnion hanging rod assemblies and a threaded hanging rod. The replacing method comprises that: the replacing apparatus is provided; a fillet weld between a welding type cooling plate assembly and the reinforcement ring of a furnace housing is removed; one end of the trunnion hanging rod assembly is installed on the lifting lug position of the cooling plate assembly, and the pin shaft is inserted; one end of the threaded hanging rod is installed on the threaded position of the water drain pipe of the cooling plate assembly and is connected with the threaded position of the water drain pipe of the cooling plate assembly; the hydraulic jack stand is installed, and the hanging rod of the hanging rod assembly and the threads on the other end of the threaded hanging rod are connected by using three nuts, such that the hydraulic jack stand and the cooling plate assembly are connected; the two hydraulic jacks are installed between the back surface of the hydraulic jack stand and the furnace housing outer wall; and the hydraulic jack is operated so as to pull the cooling plate assembly away from the furnace housing in the blast furnace. With the replacing apparatus and the replacing method, the blast furnace welding type cooling plate assembly can be easily and quickly replaced.

Description

The more changing device of blast furnace welded type cooling plate assembly and replacing options thereof
Technical field
The present invention relates to a kind of utility appliance of metallurgy high furnace, specifically about a kind of blast furnace cooling board device.
Background technology
Cooling plate is the visual plant of blast furnace, blast furnace in process of production inner furnace charge physical-chemical reaction produce the high temperature that amount of heat causes, rely on the resistance to material of building by laying bricks or stones in last furnace shell to bear, cooling plate can cool resistance to material, to extend the work-ing life of resistance to material and to guarantee the stably manufactured of blast furnace.
Cooling plate is made up of the good pure copper material of heat conductivity usually, is installed on the positions such as blast-furnace bosh, furnace bosh, shaft, compared with the blast furnace of cooling wall type, has and changes advantage easily.
The structure formation of blast furnace cooling board has flange join type and welded type two kinds, and wherein the structure of flange join type cooling plate as depicted in figs. 1 and 2, and the structure of welded type cooling plate as shown in Figure 3 and Figure 4.As depicted in figs. 1 and 2, flange join type cooling plate assembly 6 comprise the plate body 6c stretched into through last furnace shell 5 in stove, be connected with plate body and the water inlet pipe 7 extended in parallel out, water shoot 8, boss 6d, 6d of being formed in the front end of intake-discharge pipe '; On the water inlet pipe stretched out outside last furnace shell 5 and rising pipe 7,8 sheathed and be fixed with flange short tube 6a, band corrugated tube flange sealing cover 6b, water inlet pipe, rising pipe joint flange 7 ', 8 ' and boss 6d, 6d ' front end face be connected.As shown in Figure 3 and Figure 4, welded type cooling plate assembly 6 ' comprises plate body 6 ' c, the flange short tube 6 ' a that is fixedly connected with plate body 6c ', the flange capping 6 ' b be fixedly connected with flange short tube 6 ' a front end face, to be stretched out and hanger 7c, 7c of being fixed thereon by flange capping 6 ' b ', be communicated with and the water inlet pipe 7a, the water shoot 7b that extend in flange short tube 6 ' a and flange capping 6 ' b with plate body.Flange capping 6 ' b is fixed on the strengthening ring 5a of last furnace shell 5.
Contrast as can be seen from the plate structure of cooling feature of two kinds of forms: the inlet tube and outlet tube 7,8 of flange join type cooling plate assembly 6 is the fine copper components being welded on one with cooling plate body 6c, when removing cooling plate assembly from blast furnace by clamp water pipe boss 6d, 6d ' by external force, cooling plate assembly 6 is drawn out.
And inlet tube and outlet tube 7a, 7b of welded type cooling plate assembly 6 ' are that to process such as specification on the strengthening ring 6 ' b of cooling plate assembly 8 ' be the taper-thread of ZG11/2, outer water tube is connected with cooling plate assembly 6 ' by screw thread.Welded type cooling plate assembly is provided with two hangers 7c, 7c ' be in order to remove cooling plate assembly from blast furnace.After blast fumance for some time, fit tightly between resistance to material in stove and cooling plate assembly, when cooling plate assembly removed by needs, only rely on two place hanger 7c, 7c ' simple tools such as chain block on the strengthening ring 6 ' b of cooling plate assembly to be difficult to remove welded type cooling plate assembly, construction operation very consuming time often needs thing change a cooling plate assembly such as expends more than 16 hours.Therefore just must provide can easily and fast dismantling remove the supplementary unit of welded type cooling plate assembly.
Summary of the invention
The object of this invention is to provide a kind of more changing device and replacing options thereof of blast furnace welded type cooling plate assembly, blast furnace welded type cooling plate assembly can be changed easily, rapidly.
The more changing device of a kind of blast furnace welded type cooling plate assembly according to an aspect of the present invention, comprising: two gudgeon hanger rod components of hydraulic jack footstock, two whisky jack, connecting welding formula cooling plate assembly and hydraulic jack footstock between described hydraulic jack footstock and last furnace shell and a screw thread suspension rod.
The width of described hydraulic jack footstock exceedes the left and right edges of welded type cooling plate assembly.
Two whisky jack brackets that described hydraulic jack footstock comprises base plate and extends at the base plate back side, described base plate offers three slotted holes, is respectively used to wear gudgeon hanger rod component and screw thread suspension rod.
The base plate face bonding of described hydraulic jack footstock is connected to reinforcement vertical rib plate.
The Design of length of described gudgeon hanger rod component, screw thread suspension rod becomes to have the sufficient space being adapted at installing whisky jack between hydraulic jack footstock and last furnace shell.
A pair relative trunnion seat that gudgeon hanger rod component described in each comprises suspension rod, formed in suspension rod one end, and the bearing pin of pin-and-hole being arranged in trunnion seat, to be connected with the hanger of cooling plate assembly; The other end of described suspension rod forms screw thread, to be connected with nut after the slotted hole penetrating hydraulic jack footstock base plate.
Described screw thread suspension rod two end forms screw thread, and wherein threaded one end matches with inlet tube and outlet tube on cooling plate assembly, and to be connected with the water-in and water-out mouth of pipe, the other end screw thread is connected with nut after the slotted hole penetrating hydraulic jack footstock base plate.
Described whisky jack is single-acting type, provides hydraulic power by hydraulic hand-pump.
The replacing options of a kind of blast furnace welded type cooling plate assembly according to an aspect of the present invention, comprises the following steps:
There is provided the more changing device of a welded type cooling plate assembly, this device comprises a hydraulic jack footstock, two gudgeon hanger rod components of two whisky jack, connecting welding formula cooling plate assembly and hydraulic jack footstock between described hydraulic jack footstock and last furnace shell and a screw thread suspension rod;
Remove the fillet weld between welded type cooling plate assembly and the strengthening ring of furnace shell;
One end of gudgeon hanger rod component is installed to the hanger position of cooling plate assembly, and penetrates bearing pin;
The screw thread position being attached thereto one end of screw thread suspension rod being installed to the water shoot of cooling plate assembly connects;
Hydraulic jack footstock is installed, connects the screw thread of the suspension rod of hanger rod component and the other end of screw thread suspension rod with three nuts, be connected with cooling plate assembly to make hydraulic jack footstock;
Between the hydraulic jack footstock back side and furnace shell outer wall, install two described hydraulic jacks peaks on screw block bracket;
Operation whisky jack makes the cooling plate assembly be connected with hydraulic jack footstock pull away furnace shell from blast furnace to push up hydraulic fluid pressure jack pad assembly.
The invention has the beneficial effects as follows the replacing operation adopting more changing device of the present invention and replacing options fast, safely, reliably can implement blast furnace welded type cooling plate assembly, the pulling force applied due to this device is steady, after extracting cooling plate, major injury can not be caused to the resistance to material in blast furnace.
Accompanying drawing explanation
Fig. 1 is the flange join type cooling plate scheme of installation applied in blast furnace;
Fig. 2 is the flange join type cooling plate schematic diagram applied in blast furnace;
Fig. 3 is the welded type cooling plate scheme of installation applied in blast furnace;
Fig. 4 is the welded type cooling plate schematic diagram applied in blast furnace;
Fig. 5 is the assembling schematic diagram of the blast furnace welded type cooling plate more changing device of one embodiment of the invention;
Fig. 6 is whisky jack holder structure schematic diagram embodiment illustrated in fig. 5;
Fig. 7 is the replacing options schematic diagram of the blast furnace welded type cooling plate of the present invention more changing device of Fig. 5;
Fig. 8 be Fig. 5 blast furnace welded type cooling plate of the present invention more changing device to be in place schematic diagram.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.First it should be noted that, the present invention is not limited to following embodiment, and the spirit that those skilled in the art should embody from following embodiment is to understand the present invention, and each technical term can do the most wide in range understanding based on spirit of the present invention.In figure, same or analogous component uses the same reference numerals to represent.
According to the more changing device of a kind of blast furnace welded type cooling plate assembly that one embodiment of the invention provides, as shown in Figure 5, comprising:
Hydraulic jack footstock 1, two whisky jack between hydraulic jack footstock and last furnace shell 52,2 ', two gudgeon hanger rod components, 3,3 ' and screw thread suspension rod 4 of connecting welding formula cooling plate assembly and hydraulic jack footstock 1.
To the concrete structure of each part mentioned above be described in detail and annexation is installed below.
Hydraulic jack footstock 1 is (from different view) as shown in Figure 6, two whisky jack brackets 1d, 1d that described hydraulic jack footstock comprises base plate 1a and extends at the base plate back side ', arc is made in semi-circular tube, can go to hold whisky jack without staff in the process of operation whisky jack 1, ensure that the safety of operator; Described base plate offers three slotted holes, is respectively used to wear gudgeon hanger rod component and screw thread suspension rod.Hydraulic jack footstock 1 is welded by Plate Steel, welds two pieces strengthen vertical rib plate 1b, 1b ' in main stress plate front, to increase its rigidity, does not occur bending and deformation when guaranteeing stressed in use; Main stress plate and base plate 1a offer three slotted hole 1c, are respectively used to wear two gudgeon suspension rods 3c, 3c ' and a screw thread suspension rod 4, make its adaptability stronger.The width of hydraulic jack footstock 1 exceedes the left and right edges of welded type cooling plate assembly 6 ', and the power of such whisky jack can act on last furnace shell 5.Whisky jack 2,2 ' is single-acting type, provides hydraulic power by hydraulic hand-pump.
Gudgeon hanger rod component 3,3 ' comprises trunnion seat 3a, 3a respectively ', bearing pin 3b, 3b ' and suspension rod 3c, 3c ', one end of trunnion seat 3a, 3a ' with suspension rod 3c, 3c ' is fixedly connected with and is formed with pin-and-hole for bearing pin 3b, 3b ' wear, hanger 7c, 7c with cooling plate assembly 6 ' ' be connected, with force transmission on cooling plate assembly 6 '; Suspension rod 3c, 3c ' the other end be processed into screw thread, be also such as the M42 screw thread of standard, hydraulic jack footstock 1 can be penetrated and with nut 3d, 3d ' be connected.The threaded one end size of screw thread suspension rod 4 is consistent with the thread size of inlet tube and outlet tube 7a, 7b on cooling plate assembly, it is such as the Taper Pipe size of ZG11/2, to be connected with the water-in and water-out mouth of pipe on cooling plate assembly 6 ', force transmission on cooling plate assembly 6 ', the other end is screw thread, the M42 screw thread of such as standard, can be connected with nut 4d.Gudgeon hanger rod component 3,3 ', the Design of length of screw thread suspension rod 4 becomes to have the sufficient space being adapted at installing whisky jack 2,2 ' between hydraulic jack footstock 1 and last furnace shell 5, do not design oversize again in order to avoid increase the difficulty of installing.
The replacing options adopting the blast furnace welded type cooling plate assembly of the above embodiment of the present invention as shown in Figure 7 and Figure 8, comprises the following steps:
The more changing device of a welded type cooling plate assembly is provided, this device comprise a hydraulic jack footstock 1, two whisky jack between described hydraulic jack footstock 1 and last furnace shell 52,2 ', two gudgeon hanger rod components, 3,3 ', screw thread suspension rod 4 of connecting welding formula cooling plate assembly 6 ' and hydraulic jack footstock 1;
Remove the fillet weld between welded type cooling plate assembly 6 ' and the strengthening ring 5a of furnace shell 5;
One end of gudgeon hanger rod component 3,3 ' is installed to hanger 7c, 7c of cooling plate assembly 6 ' ' position, penetrate bearing pin 3b, 3b ';
The screw thread position being attached thereto one end of screw thread suspension rod 4 being installed to the water shoot 7b of cooling plate assembly connects;
Hydraulic jack footstock 1 is installed, connects suspension rod 3c, 3c of hanger rod component 3,3 ' with the nut that three such as specifications are M42 ' and the other end of screw thread suspension rod 4, be connected with cooling plate assembly 6 ' to make hydraulic jack footstock 1;
Two described whisky jack 2,2 ' are installed between hydraulic jack footstock 1 back side and furnace shell 5 outer wall on screw block bracket 1d;
Operation whisky jack 2,2 makes the cooling plate assembly 6 ' be connected with hydraulic jack footstock 1 from blast furnace, pull away furnace shell 5 to push up hydraulic fluid pressure jack pad assembly 1.
In an application example, utilize the chance of blast furnace periodical repair that this device is installed, 8 hours are only used, replacing operation is implemented to the welded type cooling plate assembly of two blast furnaces, and the pulling force applied due to this device is steady, after extracting cooling plate assembly, major injury is not caused to the resistance to material in blast furnace.
Should be understood that those skilled in the art can make various changes or modifications the present invention after having read above-mentioned teachings of the present invention, these equivalent form of values fall within the application's appended claims limited range equally.

Claims (9)

1. the more changing device of a blast furnace welded type cooling plate assembly, it is characterized in that, comprising: two gudgeon hanger rod components of hydraulic jack footstock, two whisky jack, connecting welding formula cooling plate assembly and hydraulic jack footstock between described hydraulic jack footstock and last furnace shell and a screw thread suspension rod.
2. the more changing device of blast furnace welded type cooling plate assembly according to claim 1, is characterized in that, the width of described hydraulic jack footstock exceedes the left and right edges of welded type cooling plate assembly.
3. the more changing device of blast furnace welded type cooling plate assembly according to claim 1, it is characterized in that, the Design of length of described gudgeon hanger rod component, screw thread suspension rod becomes to have the sufficient space being adapted at installing whisky jack between hydraulic jack footstock and last furnace shell.
4. the more changing device of the blast furnace welded type cooling plate assembly according to any one of claims 1 to 3, it is characterized in that, two whisky jack brackets that described hydraulic jack footstock comprises base plate and extends at the base plate back side, described base plate offers three slotted holes, is respectively used to wear gudgeon hanger rod component and screw thread suspension rod.
5. the more changing device of blast furnace welded type cooling plate assembly according to claim 4, it is characterized in that, a pair relative trunnion seat that gudgeon hanger rod component described in each comprises suspension rod, formed in suspension rod one end, and be arranged in the bearing pin of pin-and-hole of trunnion seat, to be connected with the hanger of cooling plate assembly; The other end of described suspension rod forms screw thread, to be connected with nut after the slotted hole penetrating hydraulic jack footstock base plate.
6. the more changing device of blast furnace welded type cooling plate assembly according to claim 4, it is characterized in that, the base plate face bonding of described hydraulic jack footstock is connected to reinforcement vertical rib plate.
7. the more changing device of blast furnace welded type cooling plate assembly according to claim 4, it is characterized in that, described screw thread suspension rod two end forms screw thread, wherein threaded one end matches with inlet tube and outlet tube on cooling plate assembly, to be connected with the water-in and water-out mouth of pipe, the other end screw thread is connected with nut after the slotted hole penetrating hydraulic jack footstock base plate.
8. the more changing device of blast furnace welded type cooling plate assembly according to claim 1, it is characterized in that, described whisky jack is single-acting type, provides hydraulic power by hydraulic hand-pump.
9. a replacing options for blast furnace welded type cooling plate assembly, is characterized in that, comprise the following steps:
There is provided the more changing device of a welded type cooling plate assembly, this device comprises a hydraulic jack footstock, two gudgeon hanger rod components of two whisky jack, connecting welding formula cooling plate assembly and hydraulic jack footstock between described hydraulic jack footstock and last furnace shell and a screw thread suspension rod;
Remove the fillet weld between welded type cooling plate assembly and the strengthening ring of furnace shell;
One end of gudgeon hanger rod component is installed to the hanger position of cooling plate assembly, and penetrates bearing pin;
The screw thread position being attached thereto one end of screw thread suspension rod being installed to the water shoot of cooling plate assembly connects;
Hydraulic jack footstock is installed, connects the screw thread of the suspension rod of hanger rod component and the other end of screw thread suspension rod with three nuts, be connected with cooling plate assembly to make hydraulic jack footstock;
Between the hydraulic jack footstock back side and furnace shell outer wall, install two described hydraulic jacks peaks on screw block bracket;
Operation whisky jack makes the cooling plate assembly be connected with hydraulic jack footstock pull away furnace shell from blast furnace to push up hydraulic fluid pressure jack pad assembly.
CN201310422637.5A 2013-09-16 2013-09-16 Replacing apparatus and replacing method of blast furnace welding type cooling plate assembly Pending CN104451009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310422637.5A CN104451009A (en) 2013-09-16 2013-09-16 Replacing apparatus and replacing method of blast furnace welding type cooling plate assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310422637.5A CN104451009A (en) 2013-09-16 2013-09-16 Replacing apparatus and replacing method of blast furnace welding type cooling plate assembly

Publications (1)

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CN104451009A true CN104451009A (en) 2015-03-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2113981U (en) * 1992-02-02 1992-08-26 冶金工业部攀枝花钢铁公司 Disassembling device for changing blast furnace cooling plate
CN1487098A (en) * 2002-10-01 2004-04-07 中冶赛迪工程技术股份有限公司 Blast furnace cooling board
CN2795220Y (en) * 2005-05-30 2006-07-12 宝山钢铁股份有限公司 Changing device for blast furnace micro cooler
CN201006880Y (en) * 2007-02-14 2008-01-16 宝山钢铁股份有限公司 Panel installation apparatus
CN202639784U (en) * 2012-01-31 2013-01-02 宝山钢铁股份有限公司 Blast furnace tyuere mid breast top seat drawing apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2113981U (en) * 1992-02-02 1992-08-26 冶金工业部攀枝花钢铁公司 Disassembling device for changing blast furnace cooling plate
CN1487098A (en) * 2002-10-01 2004-04-07 中冶赛迪工程技术股份有限公司 Blast furnace cooling board
CN2795220Y (en) * 2005-05-30 2006-07-12 宝山钢铁股份有限公司 Changing device for blast furnace micro cooler
CN201006880Y (en) * 2007-02-14 2008-01-16 宝山钢铁股份有限公司 Panel installation apparatus
CN202639784U (en) * 2012-01-31 2013-01-02 宝山钢铁股份有限公司 Blast furnace tyuere mid breast top seat drawing apparatus

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Application publication date: 20150325

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