CN209024570U - A kind of blast furnace cooling board water system - Google Patents
A kind of blast furnace cooling board water system Download PDFInfo
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- CN209024570U CN209024570U CN201821654473.3U CN201821654473U CN209024570U CN 209024570 U CN209024570 U CN 209024570U CN 201821654473 U CN201821654473 U CN 201821654473U CN 209024570 U CN209024570 U CN 209024570U
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- ring water
- coldplate
- outer ring
- inner ring
- water inlet
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Abstract
The utility model relates to the cooling technical field of blast furnace more particularly to a kind of blast furnace cooling board water systems.Including 20 layers or more of coldplates, water supply endless tube and return water endless tube；Coldplate is equipped with the outer ring water inlet and outer ring water outlet being connected, the inner ring water inlet being connected and inner ring water outlet；Water supply endless tube is divided into through S1 valve by two branches of A1 valve and the control of B1 valve, one branch is connected with the outer ring water inlet of first layer coldplate, the inner ring water inlet of another branch first layer coldplate is connected, the inner ring water outlet of first layer coldplate is connected with the outer ring water inlet of second layer coldplate, the outer ring water outlet of first layer coldplate is connected with the inner ring water inlet of second layer coldplate, and so on until be recycled to the last layer；The inner ring water outlet of the last layer is connected with A2 valve, and the outer ring water outlet of the last layer is connected with B2 valve, after synthesizing a circuit, is connected through S2 valve with return water endless tube.The utility model can effectively improve the service life of blast furnace cooling board.
Description
Technical field
The utility model relates to the cooling technical field of blast furnace more particularly to a kind of blast furnace cooling board water systems.
Background technique
The cooling purpose of blast furnace is to reduce temperature of furnace lining, keeps liner complete, maintains reasonable furnace, clinker is made to be set in furnace
It serves as a contrast surface and forms slag crust, protect cooling equipment, furnace shell and metal structure not to be damaged deformation, so that extending blast furnace generation furnace life makes
With the service life, reach economic optimum.Iron Works shaft generally uses copper cooling plate cooling, has thermal conductivity good, surface
The advantages that temperature is low, easily formation slag crust, and heat loss is few when smelting, is easily installed, replaces, long service life.
In blast furnace normal productive process, due to the friction of furnace charge, air-flow washes away, the thermal stress generated under high temperature action
It destroys and the various reasons such as chemical erosion of alkali metal and CO gas, wherein it is most important the reason is that used as a servant the later period in furnace, it is powerful
Heat flow rate per unit area be more than the heat flow rate per unit area that is able to bear of cooler, forming steam film heat insulation layer in cooling water pipe inner wall can not conduct heat,
Make coldplate hot-spot and leads to breakage.After coldplate breakage occurs, if leakage cannot be found in time in a short time
Point, damaged coldplate will leak into a large amount of water to cupola well and coke ratio caused to increase, blast wandering, or even occur collapsing hanging
Etc. serious accidents.Coldplate breakage closed loop sofe water system, which occurs, will appear moisturizing exception, will organize in time at this time
Be piped post carry out leakage detection water, traditional mode be by close supply water all the way, then observe closed circuit replenisher tank liquid level whether after
Continuous decline illustrates to have found at leak general location, exactly closes water if the nitrogen of closed circuit circulatory system presses tank constant liquid level
This supplies water all the way, if liquid level continues to decline, illustrates also to need to check again, the leak process for checking one piece of copper cooling plate is usual
Need 5 to 10 minutes.
Existing blast furnace cooling board water system exists following insufficient: singular layer or even numbers layer are closed in troubleshooting procedure
Coldplate when supplying water, the inner and outer ring water supply in same coldplate is all closed, and coldplate plate body in troubleshooting procedure is caused
The accidents such as overheat, board memory water become steam generation high pressure, and coldplate deforms when serious, and outer connector collapses out, to reduce cold
But the service life of plate, and endanger the personal safety of operating personnel.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of blast furnace cooling board water system, improves blast furnace
The service life of coldplate guarantees the personal safety of operating personnel.
In order to achieve the above object, the utility model is implemented with the following technical solutions:
A kind of blast furnace cooling board water system, including 20 layers or more of coldplates, water supply endless tube and return water endless tube；Each
Coldplate is equipped with the outer ring water inlet and outer ring water outlet being connected, the inner ring water inlet being connected and inner ring water outlet；It supplies water
Endless tube is divided into through S1 valve by two branches of A1 valve and the control of B1 valve, the outer ring water inlet phase of a branch and first layer coldplate
Even, the inner ring water inlet of another branch first layer coldplate is connected, and the inner ring water outlet and the second layer of first layer coldplate are cooling
The outer ring water inlet of plate is connected, and the outer ring water outlet of first layer coldplate is connected with the inner ring water inlet of second layer coldplate, with
This analogizes inner and outer ring and is staggeredly connected until being recycled to the last layer；The inner ring water outlet of the last layer is connected with A2 valve, last
The outer ring water outlet of layer is connected with B2 valve, after synthesizing a circuit, is connected through S2 valve with return water endless tube.
The coldplate includes cover board, cavity and connecting tube, and for cover plate lid on cavity, connecting tube is within the cavity；Lid
Outer ring water inlet, inner ring water inlet, inner ring water outlet and outer ring water outlet are successively arranged on plate, outer ring water inlet passes through connecting tube
It is connected with outer ring water outlet, inner ring water inlet is connected by connecting tube with inner ring water outlet.
The section of the cavity is isosceles trapezoid.
Compared with prior art, the utility model has the beneficial effects that
It is easy to operate, safe and reliable, while using two-way relay pumping, inner and outer ring is supplied water and is separated, in leakage detection water,
It can guarantee that the inner ring or outer ring of coldplate has to supply water all the way, the damage to other coldplates is preferably minimized.It avoids cooling down
Plate plate body superheating phenomenon in leakage detection water, extends the service life of coldplate, while scald accident when having prevented leakage detection water,
It ensure that the personal safety of operating personnel, furthermore the raising of coldplate service life, avoid the big fluctuation of the working of a furnace, ensure that height
The production steady in a long-term of furnace.
Detailed description of the invention
Fig. 1 is the utility model structural representation and process principle figure；
Fig. 2 is the utility model plate structure of cooling signal main view section view and process principle figure；
Fig. 3 is the utility model plate structure of cooling diagrammatic top view；
Fig. 4 is the utility model structural representation side view.
In figure: 1- coldplate 2- water supply endless tube 3- return water endless tube 4- outer ring water inlet 5- outer ring water outlet 6- inner ring
Water inlet 7- inner ring water outlet 8- cover board 9- cavity 10- connecting tube
Specific embodiment
Embodiment:
As shown in Figure 1, a kind of blast furnace cooling board water system, including 43 layers of coldplate 1, water supply endless tube 2 and return water
Endless tube 3.
As Figure 2-3, coldplate 1 includes cover board 8, cavity 9 and connecting tube 10, and cavity 9 is that hollow section is
The trapezoidal cavity type structure of waist.Cover board 8 covers on cavity 9, and connecting tube 10 is located in cavity 9.Be successively arranged on cover board 8 outer ring into
The mouth of a river 4, inner ring water inlet 6, inner ring water outlet 7 and outer ring water outlet 8, outer ring water inlet 4 are discharged by connecting tube 10 and outer ring
Mouth 5 is connected, and inner ring water inlet 6 is connected by connecting tube 10 with inner ring water outlet 7.
Water supply endless tube 2 as shown in Figure 1 is connected by water pipe with S1 valve, and connection as described below is to be connected by water pipe.Through
S1 valve is divided by two branches of A1 valve and the control of B1 valve, and a branch is connected with the outer ring water inlet 4 of first layer coldplate, another
The inner ring water inlet 6 of branch first layer coldplate is connected, the inner ring water outlet 7 of first layer coldplate and second layer coldplate it is outer
Ring water inlet 4 is connected, and the outer ring water outlet 5 of first layer coldplate is connected with the inner ring water inlet 6 of second layer coldplate.2nd layer
The inner ring water outlet 7 of coldplate is connected with the outer ring water inlet 4 of the 3rd layer of coldplate, the outer ring water outlet 5 of the 2nd layer of coldplate with
3rd layer of inner ring water inlet 6 is connected.And so on inner and outer ring be staggeredly connected until be recycled to 22 layers.
22 layers of inner ring water outlet 7 is connected with A2 valve, and 22 layers of outer ring water outlet 5 is connected with B2 valve, synthesizes a circuit
Afterwards, it is connected through S2 valve with return water endless tube 2.And then the inside and outside dislocation that connects is connected in same water route.
23 layers to 43 layers are attached in 1 to 22 layer of same method.
For blast fumance when furnace uses as a servant middle and later periods leakage detection water, A1 valve or the inspection leak of B1 valve need to only be closed by closing when coldplate checks
, only close the inner ring or outer ring water in same coldplate 1.Traditional 1 water supply connection type same of coldplate is cold
But the inner and outer ring in plate 1 can all close.
The utility model is easy to operate, safe and reliable, while using two-way relay pumping, inner and outer ring is supplied water and is separated,
In leakage detection water, it is ensured that the inner ring or outer ring of coldplate 1 has to supply water all the way, and the damage to other coldplates is preferably minimized.
The plate body superheating phenomenon in leakage detection water of coldplate 1 is avoided, extends the service life of coldplate 1, while having prevented leakage detection
Scald accident when water ensure that the personal safety of operating personnel, and furthermore the raising of 1 service life of coldplate, avoids the working of a furnace
Big fluctuation ensure that the production steady in a long-term of blast furnace.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. a kind of blast furnace cooling board water system, it is characterised in that: including 20 layers or more of coldplates, water supply endless tube and return water
Endless tube；Each coldplate is equipped with the outer ring water inlet and outer ring water outlet being connected, and inner ring water inlet and the inner ring being connected go out
The mouth of a river；Water supply endless tube is divided into through S1 valve by two branches of A1 valve and the control of B1 valve, the outer ring of a branch and first layer coldplate
Water inlet is connected, and the inner ring water inlet of another branch first layer coldplate is connected, the inner ring water outlet of first layer coldplate and the
The outer ring water inlet of two layers of coldplate is connected, the outer ring water outlet of first layer coldplate and the inner ring water inlet of second layer coldplate
Be connected, and so on inner and outer ring be staggeredly connected until be recycled to the last layer；The inner ring water outlet of the last layer is connected with A2 valve,
The outer ring water outlet of the last layer is connected with B2 valve, after synthesizing a circuit, is connected through S2 valve with return water endless tube.
2. a kind of blast furnace cooling board water system according to claim 1, which is characterized in that the coldplate includes lid
Plate, cavity and connecting tube, for cover plate lid on cavity, connecting tube is within the cavity；Outer ring water inlet, interior is successively arranged on cover board
Ring water inlet, inner ring water outlet and outer ring water outlet, outer ring water inlet are connected by connecting tube with outer ring water outlet, inner ring water inlet
Mouth is connected by connecting tube with inner ring water outlet.
3. a kind of blast furnace cooling board water system according to claim 2, which is characterized in that the section of the cavity be etc.
Waist is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821654473.3U CN209024570U (en) | 2018-10-09 | 2018-10-09 | A kind of blast furnace cooling board water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821654473.3U CN209024570U (en) | 2018-10-09 | 2018-10-09 | A kind of blast furnace cooling board water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209024570U true CN209024570U (en) | 2019-06-25 |
Family
ID=66906232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821654473.3U Active CN209024570U (en) | 2018-10-09 | 2018-10-09 | A kind of blast furnace cooling board water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209024570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111440909A (en) * | 2020-04-13 | 2020-07-24 | 马鞍山钢铁股份有限公司 | Water-saving multilayer water supply pipe blast furnace cooling wall structure and application process thereof |
| CN113957190A (en) * | 2020-07-21 | 2022-01-21 | 宝山钢铁股份有限公司 | Cooling plate for blast furnace and maintenance method thereof |
-
2018
- 2018-10-09 CN CN201821654473.3U patent/CN209024570U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111440909A (en) * | 2020-04-13 | 2020-07-24 | 马鞍山钢铁股份有限公司 | Water-saving multilayer water supply pipe blast furnace cooling wall structure and application process thereof |
| CN113957190A (en) * | 2020-07-21 | 2022-01-21 | 宝山钢铁股份有限公司 | Cooling plate for blast furnace and maintenance method thereof |
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