CN203159640U - Oxygen-enriched gas liquid catalyst energy-saving device and iron-making blast furnace device - Google Patents
Oxygen-enriched gas liquid catalyst energy-saving device and iron-making blast furnace device Download PDFInfo
- Publication number
- CN203159640U CN203159640U CN 201320069985 CN201320069985U CN203159640U CN 203159640 U CN203159640 U CN 203159640U CN 201320069985 CN201320069985 CN 201320069985 CN 201320069985 U CN201320069985 U CN 201320069985U CN 203159640 U CN203159640 U CN 203159640U
- Authority
- CN
- China
- Prior art keywords
- liquid
- oxygen
- liquid catalyst
- gas
- blast furnace
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses an oxygen-enriched air liquid catalyst energy-saving device and an ion-making blast furnace device. The oxygen-enriched air quid catalyst energy-saving device comprises a liquid catalyst blending device, a membrane-process oxygen-enriched air generating device and a gas-liquid atomizing spray gun which is used for connecting the ion-making blast furnace, wherein the liquid catalyst blending device and the membrane-process oxygen-enriched air generating device are connected with the gas-liquid atomizing spray gun. The oxygen-enriched air liquid catalyst energy-saving device is integrated with fuel coal liquid crystal and oxygen-enriching technology, so that the atomized liquid crystal and coal powder are synchronously blown into a furnace chamber by utilizing oxygen-enriched air and pressure, and therefore, the release amount and combustion velocity of volatile matters in the coal powder can be effectively improved, an ignition process can be promoted and the flame temperature can be improved. Besides, heat loss of chemically incomplete combustion and mechanically incomplete combustion is lowered, and the heating efficiency of the ion-making blast furnace is improved.
Description
Technical field
The application is about a kind of iron-smelting blast furnace, especially about a kind of oxygen rich gas liquid catalyst energy saver that is applied to iron-smelting blast furnace.
Background technology
In the iron-smelting blast furnace industry, for reducing coke-iron-rate, generally adopt by being blown into coal dust with oxygen-rich air, so that the coke consumption reduces; Pig iron output increases.What of coal dust straying quatity, and coal dust firing efficient are the key problem in technology factors that determines the comprehensive benefit height of coal powder injection.
The utility model content
The utility model provides a kind of oxygen rich gas liquid catalyst energy saver and iron-smelting blast furnace that can improve thermo-efficiency.
The utility model provides a kind of oxygen rich gas liquid catalyst energy saver, comprise the liquid catalyst blending equipment, film oxygen enriching air generation equipment reaches the gas-liquid atomizing lance that is used for connecting iron-smelting blast furnace, described liquid catalyst blending equipment generates equipment with the film oxygen enriching air and all is connected with described gas-liquid atomizing lance, the modulated liquid catalyst for preparing concentration of described liquid catalyst blending equipment output, described film oxygen enriching air generation equipment output oxygen-rich air, described liquid catalyst and oxygen-rich air come together in the described gas-liquid atomizing lance and atomize, and the catalyzer after the atomizing is ejected into described iron-smelting blast furnace by the outlet of described gas-liquid atomizing lance.
Described liquid catalyst blending equipment comprises the liquid catalyst mother liquor tank, has the Agitation Tank of liquid level controller, suction pumps, filler pipe road and is made into liquid pipeline, described liquid catalyst mother liquor tank connects the fluid inlet of described Agitation Tank by described suction pumps, described filler pipe road connects the fluid inlet of described Agitation Tank, the liquid outlet of described Agitation Tank connects the described liquid pipeline that is made into, the described liquid pipeline that is made into connects described gas-liquid atomizing lance, and the described liquid pipeline that is made into is provided with for the high pressure pump that aspirates described dosing pot liquid.
Described liquid catalyst blending equipment also comprises another Agitation Tank with another liquid level controller, described catalyzer mother liquor tank connects described another Agitation Tank by described suction pumps, described filler pipe road connects the fluid inlet of described another Agitation Tank, the liquid outlet of described another Agitation Tank connects the described liquid pipeline that is made into, and the described liquid pipeline that is made into is provided with for another high pressure pump that aspirates described another dosing pot liquid.
Have and stir and 2 of the Agitation Tank quantity of liquid level controller, can work of a dosing, thus realize continuous liquid material course of conveying; Fluid infusion pumps adopts corrosion resistant stage chamber pump; Liquid material carries Yang Chengke to reach 80～160m.
Catalyzer mother liquor tank and filler pipe road can be connected the same fluid inlet of Agitation Tank, also can be connected different fluid inlets.The filler pipe road, be made into liquid pipeline and can be made up of one or more snippets pipeline, each section pipeline can adopt the mode of parallel connection, series connection or parallel-series combination to connect.
The described liquid pipeline that is made into is provided with pressure transmitter and flow sensor.
The energy saver organic assembling advantage separately of chemical catalysis burning of oxygen-enriched combusting and coal, the equipmentization of making it and operation automation, combustioncharacteristics and actual condition according to iron-smelting blast furnace, can follow the tracks of the furnace flame variation of temperature immediately, manually or automatically adjust the present technique process system, pulverized coal consumption is increased and the coke-iron-rate reduction.
Described film oxygen enriching air generation equipment comprises mechanical reciprocating vacuum pump, oxygen-enriched generator and high pressure positive blower, described oxygen-enriched generator is connected between the air outlet of the inlet mouth of described mechanical reciprocating vacuum pump and described high pressure positive blower, and the air outlet of described mechanical reciprocating vacuum pump connects described gas-liquid atomizing lance.
Described oxygen-enriched generator comprises a plurality of rolling oxygen permeable membrane elements of combination in parallel.
The parameter of membrane element can design as requested, as is of a size of ф 200 х 1000, membrane element unitized design in parallel; The workflow of membrane element adopts negative-pressure operation, and the vacuum pump inlet mouth links to each other with the oxygen-enriched generator inlet mouth, operating pressure-0.05～-0.09Mpa; Vacuum pump is that machinery is reciprocating type, top hole pressure 0.05～0.25Mpa; Oxygen-enriched generator work wind is supplied with by high pressure positive blower, and blast is at 3000～5000Pa, and work wind is removed air dust, filtering accuracy 100 μ through the cotton filtration of boxboard formula porous; This oxygen-rich air equipment can be designed to produce oxygen concn 25～35%, gas production rate 50～1200m
3/ h.
Described oxygen-rich air generates equipment and also comprises air filter, and described high pressure positive blower is located at box house, and described air filter is located at described casing.
A kind of iron-smelting blast furnace device comprises coal dust spray combustion, iron-smelting blast furnace and energy saver, and described coal burner sprays into coal dust to the opening for feed of described iron-smelting blast furnace, and the gas-liquid atomizing lance of described energy saver sprays into catalyzer after the atomizing to described opening for feed.
The beneficial effects of the utility model are: this device is integrated coal-fired liquid catalyst and oxygen enrichment technology, utilize oxygen-rich air and pressure, be blown into spraying liquid catalyzer and coal dust in the burner hearth synchronously, can improve burst size and the rate of combustion of fugitive constituent in the coal dust effectively, promote the ignition process of coal, improve flame temperature, and then reduce chemical incomplete combustion and heat loss due to combustibles in refuse, improve iron-smelting blast furnace thermo-efficiency.
Description of drawings
Fig. 1 is the structural representation of present embodiment;
Embodiment
By reference to the accompanying drawings the utility model is described in further detail below by embodiment.
A kind of oxygen rich gas spraying liquid catalyzer energy saver, it is applied to iron-smelting blast furnace, can increase the coal dust amount and reduce coke-iron-rate.As shown in Figure 1, this iron-smelting blast furnace energy saver comprises that the film oxygen enriching air generates equipment, liquid catalyst blending equipment and gas-liquid atomizing lance.The function of this energy saver is that coal-fired liquid catalyst is atomized the back along with coal dust sprays in the burner hearth of iron-smelting blast furnace in the same way by oxygen-rich air, realizes the pulverized coal flame catalyticcombustion, reaches purpose energy-conservation, volume increase.
As shown in Figure 1, the liquid catalyst blending equipment comprises liquid catalyst mother liquor tank 1, the catalyzer Agitation Tank 2,3 of band liquid level controller 12,17, suction pumps 4, running water filter 8, high pressure pump 5,6, pressure transmitter 20, flow sensor 21, motorized valve 7,9,10,11,13,15,16,18,19.The catalyzer mother liquor is sent into Agitation Tank 2 by suction pumps 4, measure needed volume by the liquid level controller after, motorized valve 19 is opened and is added water to volume requiredly automatically, switches to Agitation Tank 3 afterwards and adds catalyzer mother liquor and Jia Shui; After Agitation Tank 2 added the catalyzer mother liquor and adds water arrival desired location, liquid level signal indication high pressure pump 5 started.When Agitation Tank 2 liquid levels when setting extreme lower position, system automatically switches to Agitation Tank 3.The workflow that energy saver is finished automatic liquid matching, carried continuously by PLC.
For the liquid catalyst blending equipment, tap water connects Agitation Tanks 2,3 fluid inlet by filler pipe road 93, and liquid catalyst mother liquor tank 1 connects Agitation Tanks 2,3 fluid inlet by suction pumps 4; Agitation Tank 2,3 liquid outlet connect and are made into liquid pipeline 94, are made into liquid pipeline 94 and are connected with the gas-liquid atomizing lance.Be made into liquid pipeline and be provided with pressure transmitter 20 and flow sensor 21.
Film oxygen enriching air generation equipment comprises mechanical reciprocating vacuum pump 26, oxygen-enriched generator 25, air filter 24, high pressure positive blower 28 and pressure transmitter 29, vacuum transducer 27.Air filter 24 is taked box unitized design with high pressure positive blower 28.Oxygen-enriched generator is case construction, and it has a plurality of rolling oxygen permeable membrane elements 24 in parallel, and lower box is the high-pressure blast bellows.Air after will being filtered by high pressure positive blower 28 is sent into the air passageways of oxygen-enriched generator, under mechanical reciprocating vacuum pump 26 suction functions, oxygen-rich air enters vacuum pump 26 inlet mouths through the collection of oxygen-enriched generator pipe core and by vacuum pipe, oxygen-rich air is discharged by vacuum pump 26 outlets with the malleation form, and air more than needed enters atmosphere from the oxygen-enriched generator other end; The oxygen nitrogen separation factor of rolling oxygen permeable membrane element is 2 ,-0.06～-0.08Mpa under, oxygen-rich concentration can reach 28～32%.The major technique characteristics of this generation equipment are: adopt mechanical reciprocating vacuum pump 26 for oxygen-enriched generator provides operating pressure, remove from air water separator, oxygen-rich air dehumidification, preheating and the water ring vacuum pump that must join with water ring vacuum pump in the mass consumption of water and the pump chamber because the temperature rise of water and fouling.After adopting mechanical reciprocating vacuum pump 26, the technical process that oxygen-rich air generates equipment becomes simply, and the device context installation is compared with water ring vacuum pump with operation easier and diminished, and the trouble spot tails off.
By the oxygen-rich air that mechanical reciprocating vacuum pump 26 is discharged, adjustable in pressure is put in order scope 0.05～0.25Mpa, liquid catalyst transfer pressure scope 0.1～0.3Mpa.Oxygen-rich air and liquid catalyst pass through pipeline separately, come together in the same pressure space in the gas-liquid atomizing lance, this pressure space is by the oxygen rich gas filling with certain pressure, and in the shared outlet of the gas-liquid atomizing lance medullary ray port of gas-liquid atomizing lance gas-liquid, make the atomization of liquid by the high flow rate oxygen rich gas; The rational Match of oxygen rich gas pressure and flow and liquid pressure and flow has determined that final atomizing effect or state are granular size and the jet length that liquid is atomized.Gas-liquid atomizing lance and boiler coal-ash fuel nozzle be mounting arrangements in the same way, its quantity and coal burner quantity 1 to 1 or 2 to 1 couplings.
At the coal dust entrance place of iron-smelting blast furnace 30, this gas-liquid atomizing lance is installed.According to the actual condition of blast furnace diameter and burning, adjust catalyzer atomizing back jet length and catalyzer straying quatity.
Above content be in conjunction with concrete embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace.
Claims (8)
1. oxygen rich gas liquid catalyst energy saver, it is characterized in that, comprise the liquid catalyst blending equipment, film oxygen enriching air generation equipment reaches the gas-liquid atomizing lance that is used for connecting iron-smelting blast furnace, described liquid catalyst blending equipment generates equipment with the film oxygen enriching air and all is connected with described gas-liquid atomizing lance, the modulated liquid catalyst for preparing concentration of described liquid catalyst blending equipment output, described film oxygen enriching air generation equipment output oxygen-rich air, described liquid catalyst and oxygen-rich air come together in the described gas-liquid atomizing lance and atomize, and the catalyzer after the atomizing is ejected into described iron-smelting blast furnace by the outlet of described gas-liquid atomizing lance.
2. oxygen rich gas liquid catalyst energy saver as claimed in claim 1, it is characterized in that, described liquid catalyst blending equipment comprises the liquid catalyst mother liquor tank, Agitation Tank with liquid level controller, suction pumps, filler pipe road and be made into liquid pipeline, described liquid catalyst mother liquor tank connects the fluid inlet of described Agitation Tank by described suction pumps, described filler pipe road connects the fluid inlet of described Agitation Tank, the liquid outlet of described Agitation Tank connects the described liquid pipeline that is made into, the described liquid pipeline that is made into connects described gas-liquid atomizing lance, and the described liquid pipeline that is made into is provided with for the high pressure pump that aspirates described dosing pot liquid.
3. oxygen rich gas liquid catalyst energy saver as claimed in claim 2, it is characterized in that, described liquid catalyst blending equipment also comprises another Agitation Tank with another liquid level controller, described catalyzer mother liquor tank connects described another Agitation Tank by described suction pumps, described filler pipe road connects the fluid inlet of described another Agitation Tank, the liquid outlet of described another Agitation Tank connects the described liquid pipeline that is made into, and the described liquid pipeline that is made into is provided with for another high pressure pump that aspirates described another dosing pot liquid.
4. oxygen rich gas liquid catalyst energy saver as claimed in claim 3 is characterized in that, the described liquid pipeline that is made into is provided with pressure transmitter and flow sensor.
5. oxygen rich gas liquid catalyst energy saver as claimed in claim 3, it is characterized in that, described film oxygen enriching air generation equipment comprises mechanical reciprocating vacuum pump, oxygen-enriched generator and high pressure positive blower, described oxygen-enriched generator is connected between the air outlet of the inlet mouth of described mechanical reciprocating vacuum pump and described high pressure positive blower, and the air outlet of described mechanical reciprocating vacuum pump connects described gas-liquid atomizing lance.
6. oxygen rich gas liquid catalyst energy saver as claimed in claim 5 is characterized in that, described oxygen-enriched generator comprises a plurality of rolling oxygen permeable membrane elements of combination in parallel.
7. oxygen rich gas liquid catalyst energy saver as claimed in claim 6 is characterized in that, described oxygen-rich air generates equipment and also comprises air filter, and described high pressure positive blower is located at box house, and described air filter is located at described casing.
8. iron-smelting blast furnace device, comprise coal burner and iron-smelting blast furnace, described coal burner sprays into coal dust to the opening for feed of described iron-smelting blast furnace, it is characterized in that, also comprise any described energy saver among the claim 1-7, the gas-liquid atomizing lance of described energy saver sprays into catalyzer after the atomizing to described opening for feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069985 CN203159640U (en) | 2013-02-06 | 2013-02-06 | Oxygen-enriched gas liquid catalyst energy-saving device and iron-making blast furnace device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069985 CN203159640U (en) | 2013-02-06 | 2013-02-06 | Oxygen-enriched gas liquid catalyst energy-saving device and iron-making blast furnace device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203159640U true CN203159640U (en) | 2013-08-28 |
Family
ID=49020839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320069985 Expired - Fee Related CN203159640U (en) | 2013-02-06 | 2013-02-06 | Oxygen-enriched gas liquid catalyst energy-saving device and iron-making blast furnace device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203159640U (en) |
-
2013
- 2013-02-06 CN CN 201320069985 patent/CN203159640U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202546735U (en) | Biomass particle combustor | |
| CN203782080U (en) | Carbon black production system | |
| CN104930526B (en) | A kind of curtain air system for shock-wave ash blowing | |
| CN202578750U (en) | Automatic mist-spraying dustfall system | |
| CN207928910U (en) | A kind of downflow type semi-dry process flue gas desulphurization dust-extraction unit | |
| CN201507941U (en) | Oxygen-enriched air combustion-supporting energy-saving device employing hollow fiber separation membrane | |
| CN202139211U (en) | Nano combustion improver atomization spraying device | |
| CN203159640U (en) | Oxygen-enriched gas liquid catalyst energy-saving device and iron-making blast furnace device | |
| CN219494118U (en) | Sludge cooperative treatment system for garbage incineration power generation project | |
| CN203163476U (en) | Rotary cement kiln device | |
| CN201429077Y (en) | Water-coal-slurry burner nozzle | |
| CN209348406U (en) | A kind of heating of kiln system and nitrous oxides concentration control device during only expecting | |
| CN103818879B (en) | Tiny structure black liquor gasification method and system device | |
| CN202876580U (en) | Caprolactam exhaust gas/dust recovery system | |
| CN100457235C (en) | Ceramic multi-pipe boiler smoke desulfurizing dust-controlling apparatus | |
| CN107620957A (en) | A kind of industrial furnace high-efficient atomizing combustion system and its method based on high viscosity biomass fuel | |
| CN209672370U (en) | A kind of boiler emission equipment of environmental protection | |
| CN103267289B (en) | Ultra-low pressure flare gas burning device | |
| CN209246062U (en) | A kind of nitrogen oxides device reducing offal biomass fuel combustion | |
| CN202274482U (en) | Energy-saving device for oxygen-enriched gas atomized liquid catalyst boiler | |
| CN207006157U (en) | Boiler low NO for oil field production | |
| CN205402707U (en) | Medium bubble atomizing heavy oil burner | |
| CN201434378Y (en) | Nano-bubble liquid fuel injection device | |
| CN206522783U (en) | A kind of burner assembly of utilization Coanda effect | |
| CN109282297A (en) | A kind of boiler emission equipment of environmental protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150206 |
|
| EXPY | Termination of patent right or utility model |