CN201547745U - Module combination type waste heat boiler for submerged arc furnace - Google Patents
Module combination type waste heat boiler for submerged arc furnace Download PDFInfo
- Publication number
- CN201547745U CN201547745U CN2009202141634U CN200920214163U CN201547745U CN 201547745 U CN201547745 U CN 201547745U CN 2009202141634 U CN2009202141634 U CN 2009202141634U CN 200920214163 U CN200920214163 U CN 200920214163U CN 201547745 U CN201547745 U CN 201547745U
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- waste heat
- heat boiler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
A module combination type waste heat boiler for a submerged arc furnace comprises waste heat boiler components and a waste heat boiler platform; the waste heat boiler components are arranged on the waste heat boiler platform; the waste heat boiler components comprise a fume inlet smoke box, an overheater module group, an evaporimeter module group, a preheater module group and a fume outlet smoke box which are connected in sequence from left to right; a steam manifold component is arranged above the overheater module group, the evaporimeter module group and the preheater module group; and the waste heat boiler components are arranged horizontally on the whole. The key point of the module combination type waste heat boiler for the submerged arc furnace is the module combination design; the specific quantity can be adjusted conveniently when the boiler is mounted; and when the quantity of the components needs to be increased or decreased in the future, all that is needed is to dismount the corresponding components but not the whole waste heat boiler, so that the utility model greatly shortens the construction period, reduces the workload for mounting and testing all the components of the waste heat boiler on the spot, and ensures the whole quality of the waste heat boiler.
Description
Technical field
The utility model relates to a kind of parts or boiler of general stove, kiln, oven or retort, relates in particular to a kind of waste heat boiler that waste heat is converted to the energy that is applied to the hot stove in ore deposit.
Background technology
The hot stove in ore deposit claims electric arc electric furnace or resistance electric furnace again.It is mainly used in reducing and smelting ore, raw materials such as carbonaceous reducing agent and solvent.The main ferrosilicon of producing, ferromanganese, ferroalloys such as ferrochrome, ferrotungsten, silicomangan are industrial chemicals such as essential industry raw material and calcium carbide in the metallurgical industry.Its work characteristics is to adopt carbonaceous or magnesia refractories to make furnace lining, uses from training electrode.Electrode inserts furnace charge and carries out arc-covering slag operation, utilizes the energy of electric arc and electric current by furnace charge, and because of the resistance produce power of furnace charge is come smelting metal, reinforced successively, batch (-type) goes out scum, a kind of industrial furnace of working continuously.
And the hot stove in ore deposit under the present prior art, its essence is the huge industrial furnace system of a kind of power consumption.Mainly by furnace shell, bell, furnace lining, short net, water-cooling system, smoke evacuation system, dust pelletizing system, electrode shell, electrode press and jacking system, and loading and unloading system is controlled device, arc burner, hydraulic system, compositions such as ore heat furnace transformer and various electric equipments.The hot stove in ore deposit is owing to the particularity of its technology and device structure composition, and warm waste gas in the discharge in a large number in smelting process adds that itself consumes a large amount of electric energy, causes serious environmental pollution and a large amount of energy wastes.
And a kind of in the amateurish heat utilizations that are various kettleman of the hot stove UTILIZATION OF VESIDUAL HEAT IN in the ore deposit that the kettleman pines for the sparetime, be converted into other energy by used heat (gas) that the hot fire grate in ore deposit the is gone out heat energy by waste heat boiler, directly go to drag other mechanical devices and heat supply as electric energy, steam energy or as power, waste heat boiler is widely used in the amateurish heat of the hot furnaceman in ore deposit and the amateurish heat utilization of other all kinds of kettleman fields.
Publication number CN101532781, open day on 09 16th, 2009 Chinese patent, a kind of sealed submerged arc furnace system has solved existing direct current electric arc furnace and can't be applied in the hot stove in ore deposit and exchange closed submerged stove power consumption height, big, the lower problem of security of consumption of electrode.Its solution is: comprise closed submerged stove, heat recovery device and exhaust-gas treatment use device; The heat recovery device comprises steam turbine generator and heat pump; The exhaust-gas treatment use device comprises the waste heat boiler that links to each other with the outlet of closed submerged furnace exhaust, the waste gas dedusting device that links to each other with the waste heat boiler gas vent, the waste gas reaction device that links to each other with waste gas dedusting device gas vent; The heat pump water inlet links to each other with hollow electrode cooling system delivery port, steam turbine generator delivery port, and the heat-pump hot-water outlet links to each other with the waste heat boiler heat exchanger entrance, and the heat pump cooling water outlet links to each other with hollow electrode cooling system water inlet; The waste heat boiler heat exchanger outlet links to each other with the steam turbine generator steam inlet.
This patent is by installing the heat recovery device additional to the hot stove in the ore deposit under the prior art and the exhaust-gas treatment use device is transformed the hot stove in ore deposit, but this patent still exists heat recovery device and exhaust-gas treatment use device complex structure, waste heat boiler itself is installed trouble, not this problem of easy-maintaining, and the project organization of this patent and the utility model are irrelevant.
Publication number CN201103886, open day on 08 20th, 2008 Chinese patent, a kind of waste heat boiler comprises: the body of heater with Natural Circulation heating surface and forced circulation heating surface; The circulatory system comprises the drum that is respectively arranged with the water inlet pipe, Natural Circulation outlet pipe, forced circulation outlet pipe, Natural Circulation return duct, forced circulation return duct and the steam outlet pipe that are used for supplying water in drum; Be arranged on Natural Circulation heating surface place and its import and export the Natural Circulation heat exchanger that links to each other with drum by Natural Circulation outlet pipe and Natural Circulation return duct respectively; Be arranged on forced circulation heating surface place and its import and export the forced circulation heat exchanger that links to each other with drum by forced circulation outlet pipe and forced circulation return duct respectively; With the circulating pump that is installed on the forced circulation outlet pipe.
This patent is passed through water inlet pipe and water outlet pipe and EGR, and be arranged on Natural Circulation heating surface place and its import and made improvement with the Natural Circulation heat exchanger that outlet links to each other with drum by Natural Circulation outlet pipe and Natural Circulation return duct respectively, boiler integral body has been made transformation, but still the structure of boiler itself is not installed feature and make change, do not solve this problem of trouble of installing yet, and irrelevant with project organization of the present utility model.
Publication number CN2924395, open day on 07 18th, 2007 Chinese patent, a kind of novel straight-through horizontal type waste heat boiler is a kind of boiler that connects expansion compensation that particularly has.The lower drum relative position is on same plumb line on the existing drum-type boiler, by being connected communicating pipe, this connection has no idea to handle interbank thermal expansion problem of non-uniform, usually causes the convection tube interface to leak in boiler operatiopn, seriously influences the operation of boiler.The utility model is formed and to be comprised: lower drum, with the upper drum that described lower drum links to each other, the convection bank device of being with the compensate for dilatation elbow is housed between described lower drum and the described upper drum.
This patent is passed through the horizontal boiler under the prior art, by adding the convection bank device of band compensate for dilatation elbow, made improvement to causing convection tube interface leakage problem in the boiler operatiopn, but its boiler general structure problem of why leaking is not made improvement, irrelevant with project organization of the present utility model.
In sum, the hot stove waste heat boiler in ore deposit under the prior art, because the restriction under the technical conditions, the problem that causes its arranged direction, make heating surface area big, cause floor space also big, and the various improvement under the prior art also only are the changes that the annex of waste heat boiler is made, its agent structure is not made improvement, make the waste heat boiler of the integral type design under the prior art that trouble is installed, maintenance is trouble more, be more prone to take place booster and be used for the hot stove in ore deposit for above-mentioned reasons with waste heat boiler, leak, faults such as overheated scaling loss are when serious even can cause an explosion accident.
It is little now to press for a kind of floor space, and combined and instant is installed, and maintenance is simple, the hot stove waste heat boiler in the ore deposit that is difficult for having an accident.
The utility model content
In order to address the above problem, the utility model provides a kind of ore deposit hot stove module combined type waste heat boiler, waste heat boiler at the design of the integral type under the prior art, because the problem of the installation and maintenance that project organization causes maintenance, superheater, evaporimeter and the preheater of the chief component of waste heat boiler are made the composite module form, made things convenient for installation, maintenance and maintenance, and be difficult for having an accident, concrete structure of the present utility model is as described below:
A kind of ore deposit hot stove module combined type waste heat boiler comprises waste heat boiler assembly and waste heat boiler platform, it is characterized in that:
Described waste heat boiler assembly is arranged on the waste heat boiler platform;
Described waste heat boiler assembly comprises gas approach smoke box, superheater module group, evaporator module group, preheater module group and the exhanst gas outlet smoke box that is linked in sequence from left to right and is provided with, top in superheater module group, evaporator module group and preheater module group also is provided with a drum assembly, and the waste heat boiler assembly is horizontal totally.
The ore deposit of the present utility model hot stove both available natural circulation mode of module combined type waste heat boiler, available again forced circulation mode.
According to a kind of ore deposit of the present utility model hot stove module combined type waste heat boiler, it is characterized in that an end of described gas approach smoke box is provided with gas approach, the other end of gas approach smoke box is connected with superheater module group.
According to a kind of ore deposit of the present utility model hot stove module combined type waste heat boiler, it is characterized in that an end of described exhanst gas outlet smoke box is provided with exhanst gas outlet, the other end of exhanst gas outlet smoke box is connected with mistake preheater module group.
According to a kind of ore deposit of the present utility model hot stove module combined type waste heat boiler, it is characterized in that, the described drum assembly that is arranged at superheater module group, evaporator module group and preheater module group top, this drum assembly is connected with superheater module group, evaporator module group and preheater module group pipeline.
The concrete size of drum assembly is by the superheater module group that is installed in its underpart and is connected with its pipeline, evaporator module group and the decision of preheater module group actual quantity.
According to a kind of ore deposit of the present utility model hot stove module combined type waste heat boiler, it is characterized in that described superheater module group specifically is made up of 1 ~ 3 superheater.
Superheater module group is made up of 1 ~ 3 superheater according to on-the-spot needs, installs easy to adjust.
According to a kind of ore deposit of the present utility model hot stove module combined type waste heat boiler, it is characterized in that described evaporator module group specifically is made up of 1 ~ 7 evaporimeter.
The evaporator module group is made up of 1 ~ 7 evaporimeter according to on-the-spot needs, installs easy to adjust.
According to a kind of ore deposit of the present utility model hot stove module combined type waste heat boiler, it is characterized in that described preheater module group specifically is made up of 1 ~ 3 preheater.
Preheater module group is made up of 1 ~ 3 preheater according to on-the-spot needs, installs easy to adjust.
The hot stove in ore deposit under the utility model and the prior art is with the difference of waste heat boiler maximum: changed the integral type waste heat boiler design under the prior art, superheater with the key components of waste heat boiler, evaporimeter is made into the module group form that can separate dismounting according to ready-made needs with preheater, in boiler for producing factory module one by one is processed in each parts design in advance, transport to on-the-spot as long as these module assembly unit welding, can adjusting be installed at any time according to on-the-spot needs in addition, improved the fixed installation of the integral type under the prior art and the problem that can not change, and this mounting means makes that the follow-up maintenance after the waste heat boiler installation is convenient.
Use ore deposit of the present utility model hot stove module combined type waste heat boiler, obtain following beneficial effect:
1. the hot stove in ore deposit of the present utility model because processing of the pressure containing part of each assembly and check have been finished when all making in factory, has improved crudy with the module combined type waste heat boiler greatly;
2. the hot stove in ore deposit of the present utility model designs for module combined type owing to its key components with the module combined type waste heat boiler, make and to adjust concrete quantity easily when mounted, and need extra add or when reducing component count afterwards, only needing to install or remove corresponding component gets final product, need not the whole waste heat boiler of dismounting, significantly reduced construction period, also reduced the scene of each parts of waste heat boiler simultaneously and installed and the work for inspection amount. also guarantee the total quality of waste heat boiler simultaneously;
3. ore deposit of the present utility model hot stove module combined type waste heat boiler, because it makes things convenient for installing/dismounting to regulate, make that its maintenance is convenient, going wrong only needs the corresponding assembly of replacing to get final product, improve the problem of the integral type waste heat boiler maintenance difficulty under the prior art greatly, also reduced fault occurrence frequency simultaneously indirectly.
Description of drawings
Fig. 1 is the concrete structure front view of the hot stove in ore deposit of the present utility model with the module combined type waste heat boiler;
Fig. 2 is the concrete structure side view of the hot stove in ore deposit of the present utility model with the module combined type waste heat boiler;
Fig. 3 is the concrete structure vertical view of the hot stove in ore deposit of the present utility model with the module combined type waste heat boiler.
Among the figure: A-waste heat boiler assembly, B-waste heat boiler platform, 1-gas approach smoke box, 2-superheater module group, 3-evaporator module group, 4-preheater module group, 5-exhanst gas outlet smoke box, 6-drum assembly, 7-gas approach, 8-exhanst gas outlet.
The specific embodiment
Below in conjunction with drawings and Examples the hot stove in ore deposit of the present utility model is further described with the module combined type waste heat boiler:
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the hot stove in ore deposit of the present utility model is provided with gas approach smoke box 1 from left to right in proper order with the module combined type waste heat boiler, superheater module group 2, evaporator module group 3, preheater module group 4 and exhanst gas outlet smoke box 5, on superheater module group, evaporator module group and preheater module group top one drum assembly 6 is set in addition, forms an ore deposit of the present utility model hot stove module combined type waste heat boiler.
Module pattern in the present embodiment and erection method are as shown in Figure 1, be specially a gas approach smoke box 1, superheater quantity in the superheater module group 2 is 2, evaporimeter quantity in the evaporator module group 3 is 3, preheater quantity in the preheater module group 4 is 2, add an exhanst gas outlet smoke box 5, in addition in superheater module group, the evaporator module group is provided with a drum assembly 6 that is connected with its pipeline with preheater module group top, promptly formed a complete waste heat boiler assembly A, very convenient during installation, as long as these modules are hung on the ready waste heat boiler platform B one by one, after front and back module group only needs the correspondence position interface, the seal weld of burn-oning on the shell of junction gets final product, the module combined type waste heat boiler installation of the hot stove in so far whole ore deposit of the present utility model.
The hot stove in ore deposit of the present utility model can be for for the purpose of simplifying installation when the modular design with the module combined type waste heat boiler, gas approach smoke box 1, superheater module group 2, evaporator module group 3, the shell of preheater module group 4 and exhanst gas outlet smoke box 5 all is designed to the same size, and feasible lifting, convenient welding have been saved the engineering time, inner heat exchange area is arranged and can be decided according to the actual conditions that are the concrete quantity of superheater, evaporimeter, preheater
In addition, the hot stove in ore deposit of the present utility model also can adopt different specifications with superheater module group 2, evaporator module group 3 and preheater module group 4 with the module combined type waste heat boiler according to construction condition or installation requirements, only need the welding method that corresponding employing is welded to connect the pipeline formula on the shell of junction to get final product, make each assembly to produce simultaneously, significantly reduced the design work amount.
The hot stove in ore deposit of the present utility model is as follows with the working cycles of the whole therrmodynamic system of module combined type waste heat boiler: the steam turbine condensate water is sent into vacuum dust cather through condensate pump and is carried out the deoxygenation (not shown), preheater module group 4 by feedwater pumping waste heat boiler assembly A, deliver to separatory drum assembly 6 after being heated to about 195.0 ℃ (1.6MPa) from 40 ℃ it as feedwater, saturated hot-water in the drum assembly is by evaporator module group 3 heat absorption of circulating hot water pumping waste heat boiler (or with the evaporator module group heat absorption by waste heat boiler of the mode of Natural Circulation) one-tenth steam water interface, carry out carbonated drink separation after returning the drum assembly, hot water is proceeded circulation, it is overheated that the saturated vapor of separating send the superheater module group 2 of waste heat boiler establishment to carry out, overheated good steam send steam turbine work done generating (not shown), the back condenses into water to the exhaust steam of making merit by the condenser of steam turbine, send into the oxygen-eliminating device deoxygenation through condensate pump again, thereby form complete circulation system.
The hot stove in ore deposit of the present utility model has been finished when all making in factory with the pressure processing and the check of each assembly of module combined type waste heat boiler, safe and reliable, its key components design for module combined type, make and to adjust concrete quantity easily when mounted, and need extra add or when reducing component count afterwards, as long as field condition allows, only needing to install or remove corresponding component gets final product, need not the whole waste heat boiler of dismounting, significantly reduced construction period, also having reduced simultaneously the scene of each parts of waste heat boiler installs and the work for inspection amount, also guarantee the total quality of waste heat boiler, ore deposit of the present utility model in addition hot stove module combined type waste heat boiler, because it makes things convenient for installing/dismounting to regulate, and makes that its maintenance is convenient, going wrong only needs the corresponding parts of replacing to get final product, improve the problem of the integral type waste heat boiler maintenance difficulty under the prior art greatly, also reduced fault occurrence frequency simultaneously indirectly.
The hot stove in ore deposit of the present utility model with the module combined type waste heat boiler can be in hot stove UTILIZATION OF VESIDUAL HEAT IN field, ore deposit on the good energy conservation and environmental protection benefit of performance, have high using value.
Claims (7)
1. an ore deposit hot stove module combined type waste heat boiler comprises waste heat boiler assembly (A) and waste heat boiler platform (B), it is characterized in that:
Described waste heat boiler assembly (A) is arranged on the waste heat boiler platform (B);
Described waste heat boiler assembly (A) comprises gas approach smoke box (1), superheater module group (2), evaporator module group (3), preheater module group (4) and the exhanst gas outlet smoke box (5) that is linked in sequence from left to right and is provided with, also be provided with a drum assembly (6) on the top of superheater module group, evaporator module group and preheater module group, the waste heat boiler assembly is horizontal totally.
2. a kind of ore deposit as claimed in claim 1 hot stove module combined type waste heat boiler is characterized in that an end of described gas approach smoke box (1) is provided with gas approach (7), and the other end of gas approach smoke box is connected with superheater module group (2).
3. a kind of ore deposit as claimed in claim 1 hot stove module combined type waste heat boiler is characterized in that an end of described exhanst gas outlet smoke box (5) is provided with exhanst gas outlet (8), and the other end of exhanst gas outlet smoke box is connected with mistake preheater module group (4).
4. a kind of ore deposit as claimed in claim 1 hot stove module combined type waste heat boiler, it is characterized in that, the described drum assembly (6) that is arranged at superheater module group (2), evaporator module group (3) and preheater module group (4) top, this drum assembly is connected with superheater module group, evaporator module group and preheater module group pipeline.
5. a kind of ore deposit as claimed in claim 1 hot stove module combined type waste heat boiler is characterized in that described superheater module group (2) specifically is made up of 1 ~ 3 superheater.
6. a kind of ore deposit as claimed in claim 1 hot stove module combined type waste heat boiler is characterized in that described evaporator module group (3) specifically is made up of 1 ~ 7 evaporimeter.
7. a kind of ore deposit as claimed in claim 1 hot stove module combined type waste heat boiler is characterized in that described preheater module group (4) specifically is made up of 1 ~ 3 preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202141634U CN201547745U (en) | 2009-11-25 | 2009-11-25 | Module combination type waste heat boiler for submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202141634U CN201547745U (en) | 2009-11-25 | 2009-11-25 | Module combination type waste heat boiler for submerged arc furnace |
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| Publication Number | Publication Date |
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| CN201547745U true CN201547745U (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202141634U Expired - Fee Related CN201547745U (en) | 2009-11-25 | 2009-11-25 | Module combination type waste heat boiler for submerged arc furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679300A (en) * | 2011-03-18 | 2012-09-19 | 陕西天宏硅材料有限责任公司 | Device and method for recovering waste heat during waste gas and waste liquid treatment |
| GB2499571B (en) * | 2012-01-31 | 2016-09-14 | Clean Thermodynamic Energy Conv Ltd | Superheated fluid generation |
| US9952003B2 (en) | 2012-01-31 | 2018-04-24 | Clean Thermodynamic Energy Conversion Ltd | Steam generation |
| CN109724411A (en) * | 2017-10-31 | 2019-05-07 | 上海宝冶集团有限公司 | Large-scale reburner radiant section modularization assembling method |
-
2009
- 2009-11-25 CN CN2009202141634U patent/CN201547745U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679300A (en) * | 2011-03-18 | 2012-09-19 | 陕西天宏硅材料有限责任公司 | Device and method for recovering waste heat during waste gas and waste liquid treatment |
| CN102679300B (en) * | 2011-03-18 | 2015-05-20 | 陕西天宏硅材料有限责任公司 | Device and method for recovering waste heat during waste gas and waste liquid treatment |
| GB2499571B (en) * | 2012-01-31 | 2016-09-14 | Clean Thermodynamic Energy Conv Ltd | Superheated fluid generation |
| US9952003B2 (en) | 2012-01-31 | 2018-04-24 | Clean Thermodynamic Energy Conversion Ltd | Steam generation |
| US10845131B2 (en) | 2012-01-31 | 2020-11-24 | Clean Thermodynamic Energy Conversion Ltd | Steam generation |
| CN109724411A (en) * | 2017-10-31 | 2019-05-07 | 上海宝冶集团有限公司 | Large-scale reburner radiant section modularization assembling method |
| CN109724411B (en) * | 2017-10-31 | 2020-05-26 | 上海宝冶集团有限公司 | Modular assembly method for radiation section of large-scale converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100824 Address after: 201108, room 1, building 6, building 4289, 54 Jin Du Road, Shanghai, Minhang District Patentee after: Shanghai Jiusheng Energy-saving Engineering Co., Ltd. Address before: 201108 Shanghai City, Minhang District Shen Fu Road No. 128 Building No. 1, room 207, 201 Patentee before: Shanghai Nengchuang Sci-Tech Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20151125 |