CN2729080Y

CN2729080Y - Fine copper cooling wall

Info

Publication number: CN2729080Y
Application number: CN 200320128241
Authority: CN
Inventors: 刘永俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-12-31
Filing date: 2003-12-31
Publication date: 2005-09-28
Anticipated expiration: 2013-12-31

Abstract

The utility model provides a fine copper cooling wall applied to the iron making of the blast furnace; a wall body is formed by welding a path body and a cover plate group; the path body and the cover plate are fabricated by adopting rolling pure copper plates; one side of the path body facing the cold surface is provided with a set of longitudinal odd-shaped cross-section slots; each slot is welded and covered by the independent cover plate; both ends of each path are welded with inlet/outlet water pipes perpendicular to the cold surface of the wall body. The cooling wall has high heat conductivity, big heat transferring area; especially the cooling water path with a combined structure not only has convenient processing, high production rate, low cost, but also has accurate position processing, low roughness, few hidden dangers of the quality; moreover, both ends have no processing bores, the plug welding is not needed, and the quality hidden danger is few.

Description

A kind of fine copper cooling stave

Affiliated technical field

The utility model relates to a kind of fine copper cooling stave, belongs to the blast furnace body cooling apparatus.

Background technology

At present, the blast furnace copper cooling wall mainly contains two types both at home and abroad, a kind of is that continuous casting copper base is made wall body, copper content≤99.9%, thermal conductivity ≈ 300W/ (mK), the cooling medium pass cross-sectional shape adopts oblate type, because under the situation that sectional area equates, oblate girth is greater than circular girth, thus oblate heat exchange area greater than the heat exchange area of circular passage, but continuous casting copper base purity is lower, material is loose, so thermal conductivity is low, make the consumption of its heat-eliminating medium increase the working cost height; Another kind of cooling stave is to adopt rolled copper slab to make wall body, copper content 〉=99.90%, thermal conductivity 〉=370 (W/mK), but cooling medium pass can only be processed into circle by depth drill, and the heat exchange area of this circular passage is little, and brill system deep hole difficulty is very big, the someone proposed compound circular passage afterwards, it is bigger to bore the system difficulty, thereby cost is higher, has restricted the popularization of copper cooling wall.There is string water phenomenon mutually in the combined fine copper cooling stave of existing whole cover plate cooling-water duct, and is also not ideal enough.

The content of invention

In order to take into account the copper cooling stave high heat conductance of blast furnace, big heat exchange area, high productivity and low-cost problem, the utility model provides a kind of single passage combined fine copper cooling stave.

The utility model has solved the technical scheme that its technical problem adopted: the passage body of combined fine copper cooling stave and cover plate are made of cupric 〉=99.90%, the rolled copper slab of thermal conductivity 〉=370W/ (mK).The passage body offers vertical special-shaped groove parallel to each other with longitudinal cenlerline, that width between centers equates towards a side of cover plate, and this groove can adopt milling and method for milling to finish, and is processed with platform around the notch, and cover plate is put on the platform, and continuous welding all around forms.The passage two ends connect at huyashi-chuuka (cold chinese-style noodles) one face down bonding of wall body and axis normal are installed in channel centerline and the water inlet pipe and water outlet pipe that links to each other with passage, offer open holes and the thermometer hole of axis normal in channel centerline on the wall body.The hot side of wall body can be the light face, also can be to process the horizontal dovetail-indent that is parallel to each other.Water inlet pipe and water outlet pipe adopts weldless steel tube or seamless copper pipe, and water inlet pipe and water outlet pipe inserts and is welded within the pillar of wall body huyashi-chuuka (cold chinese-style noodles), and is welded into one with it.

Positively effect of the present utility model is when having kept the rolled copper slab high heat conductance, to have increased heat exchange area again, especially unitized construction, make not only machining facility of cooling-water duct, the productivity height, cost is low, and, the position precision machining, roughness is low, and two ends do not have fabrication hole, do not need plug welding, hidden danger of quality is few.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the vertical view of Fig. 1.

Fig. 4 is the B-B sectional view of Fig. 1.

Embodiment

The utility model fine copper cooling stave adopts rolled copper slab to make, and its structure such as Fig. 1, Fig. 2, shown in Figure 3 mainly contain passage body 1, cover plate 2, hoisting ring 3, pillar 4 and water inlet pipe and water outlet pipe 5 and form.The outside surface of cover plate 2 (one side of water inlet pipe and water outlet pipe promptly is housed) is a smooth flat, and the hot side of passage body 1 (i.e. one side in stove) both can be that shiny surface also can offer horizontal dovetail-indent parallel to each other.On the huyashi-chuuka (cold chinese-style noodles) (i.e. one side outside stove) of passage body 1, offer with longitudinal cenlerline be parallel to each other, cooling-water duct 6 that width between centers equates, the cooling-water duct cross section can be rectangle, trapezoidal or other special crosssection.As shown in Figure 2, the two ends of vertical passage 6 are equipped with axis normal in channel centerline and the water inlet pipe and water outlet pipe 5 that communicates with passage towards a side of the outside surface of cover plate 1, water inlet pipe and water outlet pipe 5 is weldless steel tube or seamless copper pipe, inserts to be welded within the pillar 4 of wall body huyashi-chuuka (cold chinese-style noodles), and is welded into one with it.Offer open holes 7 and the thermometer hole 8 of axis normal on the wall body in the vertical passage medullary ray.Hoisting ring 3 is by being threadedly connected to the upper surface of wall body.

Cooling stave is sling by hoisting ring 3, in last furnace shell in place after, the cutting remove hoisting ring 3, bolt is fixed on cooling stave in the furnace shell by open holes 7, a piece cooling stave constitutes the cooling layer of blast furnace, and the thermopair of monitoring cooling stave temperature is housed in the thermometer hole 8 on the wall body.

Claims

1, a kind of fine copper cooling stave, comprise wall body, hoisting ring, pillar and water inlet pipe and water outlet pipe, it is characterized in that: wall body is formed by passage body (1) and cover plate (2) assembly welding, be provided with the passage (6) that medullary ray is parallel to each other, width between centers equates in the wall body, there is axis normal at the two ends of passage (6) in passage (6) medullary ray and the water pipe (5) that communicates with passage (6) towards a side of huyashi-chuuka (cold chinese-style noodles), offer hole (7) and hole (8) of axis normal on the wall body in passage (6) medullary ray, the wall body hot side can be the light face, also can offer horizontal dovetail-indent parallel to each other.

2, according to claims 1 described fine copper cooling stave, it is characterized in that: the passage body (1) and the cover plate (2) that constitute wall body all adopt the manufacturing of rolling fine copper plate.

3, according to claims 1 described fine copper cooling stave, it is characterized in that: cooling-water duct (6) cross-sectional shape can be a rectangle, trapezoidal or oval.

4, according to claims 1 described fine copper cooling stave, it is characterized in that: each passage is independent separately, does not have string water phenomenon mutually.