CN208519744U - Side-blown converter waste-heat recovery device - Google Patents
Side-blown converter waste-heat recovery device Download PDFInfo
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- CN208519744U CN208519744U CN201821083616.XU CN201821083616U CN208519744U CN 208519744 U CN208519744 U CN 208519744U CN 201821083616 U CN201821083616 U CN 201821083616U CN 208519744 U CN208519744 U CN 208519744U
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Abstract
The utility model provides a kind of side-blown converter waste-heat recovery device, comprising: uptake flue；Downward-flow flue, the outlet connection of downward-flow flue entrance and uptake flue；The outlet of convection current heated passage, the entrance and downward-flow flue of convection current heated passage connects, and the outlet of convection current heated passage is connect with the outlet of side-blown converter waste heat boiler；Uptake flue, downward-flow flue and convection current heated passage, which are enclosed by the membrane wall being welded by water pipe and steel plate, to be set；Circulation, including drum and conveyance conduit, drum include steam (vapor) outlet and water inlet, and conveyance conduit includes entrance and outlet section, and entrance is connected between water inlet and the entrance of water pipe, and outlet section is connected between the outlet of water pipe and drum.The utility model can well adapt to the characteristic of high-temperature flue gas, safe and reliable Mist heat recovering, gather dust and create conditions for subsequent purification after flue gas cool-down, have good environmental benefit and economic benefit.
Description
Technical field
The utility model relates to waste-heat recovery device technical fields, recycle and fill in particular to a kind of side-blown converter waste heat
It sets.
Background technique
Waste heat boiler has application in many industrial circles, but its design is according to flue gas characteristic difference, the skill of equipment design
Art difficult point is also different.
It is the waste heat recovery apparatus configured for a kind of molten bath of waste the utility model relates to the processing of hazardous waste.Danger
Dangerous waste refers to toxicity, inflammability, explosivity, corrosivity, chemical reactivity and/or infectivity, can be to ecological environment and the mankind
Health constitutes the waste seriously endangered.
The high-temperature flue gas complicated component of side-blown converter discharge, has corrosivity, more dirt, solve the dust stratification of heating surface, slagging and
Corrosion is the technical problem being badly in need of in industry.Waste after melting, generates temperature and is up to 1400 DEG C of high temperature cigarettes in side-blown converter molten bath
Gas, complicated component contain fuel gas CO, H2, also contain mordant gas SO2, HCL and moisture, and more dirt, therefore solve
The problems such as gas fuel burning, prevents heating surface high temperature and low-temperature corrosion and fouling of heating surface slagging, large size heated surface expansion,
It is the crucial technical problem that waste heat boiler equipment needs to solve.
Utility model content
The main purpose of the utility model is to provide a kind of side-blown converter waste-heat recovery devices, can discharge to side-blown converter
The heat that high-temperature flue gas carries is recycled.
To achieve the goals above, the utility model provides a kind of side-blown converter waste-heat recovery device, comprising: rises cigarette
Road, the entrance of the uptake flue are provided on the side wall of the uptake flue for connecting with the soot emissions mouth of side-blown converter
Aeration structure；Downward-flow flue, the downward-flow flue entrance are connect with the outlet of the uptake flue；Convection current heated passage, it is described
The entrance of convection current heated passage is connect with the outlet of the downward-flow flue, the outlet of the convection current heated passage and the side-blown converter
The outlet of waste heat boiler connects；The uptake flue, the downward-flow flue and the convection current heated passage are by by water pipe
It encloses and sets with the membrane wall that steel plate is welded；Circulation, the circulation include drum and conveyance conduit, institute
Stating drum includes steam (vapor) outlet and water inlet, and the conveyance conduit includes entrance and outlet section, and the entrance is connected to institute
It states between water inlet and the entrance of the water pipe, the outlet section is connected between the outlet of the water pipe and the drum.
Further, be respectively provided in the uptake flue, the downward-flow flue and the convection current heated passage one or
Two or more deashing points.
Further, the uptake flue and downward-flow flue are vertically arranged at the soot emissions mouth of the side-blown converter, institute
The bottom for stating downward-flow flue is provided with radiation falling dust room.
Further, the aeration structure is nozzle.
Further, the convection current heated passage is vertically arranged or is horizontally disposed with.
Further, the uptake flue and or the downward-flow flue and or the convection current heated passage on be provided with it is swollen
Swollen section.
Further, water pump is provided on the entrance or be not provided with water pump.
Further, the periphery of the uptake flue, the downward-flow flue and the convection current heated passage is provided with
Distribution header and header, the distribution header are connected to the entrance of the water pipe, the header and the water pipe
Outlet, the entrance are connect by the distribution header with the entrance of the water pipe, and the outlet section passes through the remittance
Collection header is connect with the outlet of the water pipe.
Further, the serpentine-like inside for being arranged in the membrane wall of the water pipe.
Further, the deashing point is provided with spring or steam injection equipment or shock-wave generating device.
Using the technical solution of the utility model, uptake flue, downward-flow flue and the convection current in the utility model are heated
Channel, which is enclosed by the membrane wall being welded by water pipe and steel plate, to be set, when flue dust flow through uptake flue, downward-flow flue with
And when convection current heated passage, convenient for utilizing the water inside water pipe in uptake flue, downward-flow flue and convection current heated passage
The heat that flue dust carries is recycled.
Circulation includes drum and conveyance conduit, wherein drum includes steam (vapor) outlet and water inlet, conveyance conduit packet
It includes entrance and outlet section, when installation, entrance is connected between water inlet and the entrance of water pipe, outlet section is connected to water pipe
Outlet and drum between, convenient for supplying water to water pipe, flue dust heat is recycled, in outlet section, fluid is steam
Mixture, after gas-vapor mix enters in drum, by the effect of steam (vapor) outlet, convenient for being collected to steam, and
Output is gone power generation or is used for production and living.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 diagrammatically illustrates the annexation figure of the side-blown converter waste-heat recovery device of the utility model.
Wherein, the above drawings include the following reference numerals:
10, uptake flue；11, aeration structure；20, downward-flow flue；30, convection current heated passage；40, circulation；41,
Entrance；42, outlet section；43, drum；431, water inlet；432, steam (vapor) outlet；44, water pump；50, header is distributed；60, collect
Header；70, deashing point；80, soot emissions mouth；90, expansion joint；100, the outlet of side-blown converter waste heat boiler；110, fall-out drops
Room；120, water pipe.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Shown in Figure 1, embodiment according to the present utility model provides a kind of side-blown converter waste-heat recovery device, this reality
Applying the side-blown converter waste-heat recovery device in example includes uptake flue 10, downward-flow flue 20, convection current heated passage 30 and recirculated water
System 40.
The entrance of uptake flue 10 is arranged on the side wall of uptake flue 10 for connecting with the soot emissions mouth 80 of side-blown converter
There is aeration structure 11, convenient for ramping up 10 inner ventilation of flue, so that the fuel gas full combustion in flue dust, eliminates explosion
Hidden danger；20 entrance of downward-flow flue is connect with the outlet of uptake flue 10, and the flue dust flowed out from uptake flue 10 enters decline cigarette
Behind road 20, convenient for settling to flue dust, the entrance of convection current heated passage 30 is connect with the outlet of downward-flow flue 20, convenient for opposite
Clean flue gas enters convection current heated passage 30, and the heat further carried to flue dust recycles, convection current heated passage 30
Outlet is connect with the outlet 100 of side-blown converter waste heat boiler, convenient for flue dust by side-blown converter waste heat pot after subsequent purification gathers dust requirement
The outlet 100 of furnace is discharged.
Uptake flue 10, downward-flow flue 20 and convection current heated passage 30 in the present embodiment is by by 120 and of water pipe
The membrane wall that steel plate is welded, which encloses, to be set, when flue dust flows through uptake flue 10, downward-flow flue 20 and convection current heated passage
When 30, convenient for utilizing the water inside water pipe 120 to the flue dust in uptake flue 10, downward-flow flue 20 and convection current heated passage 30
The heat of carrying is recycled.
Circulation 40 includes drum 43 and conveyance conduit, wherein drum 43 includes steam (vapor) outlet 432 and water inlet
431 (not shown)s, conveyance conduit include entrance 41 and outlet section 42, and when installation, entrance 41 is connected to water inlet
Between 431 and the entrance of water pipe 120, outlet section 42 is connected between the outlet of water pipe 120 and drum 43, convenient for water pipe 120
It supplies water, flue dust heat is recycled, in outlet section 42, fluid is gas-vapor mix, when gas-vapor mix enters
After in drum 43, by the effect of steam (vapor) outlet 432, convenient for being collected to steam, and exports and go power generation or for production
Life uses, and in use process, needs constantly to supplement water formation circulation to water pipe 120, just can guarantee uptake flue 10, decline cigarette
Road 20 and convection current heated passage 30 are not burned.
As shown in Figure 1, the uptake flue 10 and downward-flow flue 20 in the present embodiment are vertically arranged in the flue dust of side-blown converter
At discharge outlet 80, the bottom of downward-flow flue 20 is provided with radiation falling dust room 110, settles convenient for flue dust and is collected to flue dust.
Aeration structure 11 in the present embodiment is that nozzle sprays into hot wind, Jin Erxiang by nozzle during real work
Sufficient oxygen is passed through in uptake flue 10, sufficient oxygen ensure that the burning of fuel gas in flue gas, and it is hidden to eliminate explosion
Suffer from.In order to guarantee 10 internal oxygen amount of uptake flue, it can set multiple for nozzle, height of multiple nozzles along uptake flue
Direction and circumferential setting, guarantee that the fuel gas in flue dust being capable of full combustion.
The wastes such as dust are attached to the interior of uptake flue 10, downward-flow flue 20 and convection current heated passage 30 in order to prevent
On wall, be respectively provided on the uptake flue 10, downward-flow flue 20 and convection current heated passage 30 in the present embodiment one or two or
More than two deashing points 70.Preferably, deashing point 70 is provided with spring or steam injection equipment or shock-wave generating device, convenient for pair
Uptake flue 10, downward-flow flue 20 and convection current heated passage 30 carry out deashing processing.
Form difference ash removing equipment according to selected by ash & slag dam of deashing point 70 in the present embodiment and design, with protect
Good ash-removal effect is demonstrate,proved, fouling of heating surface clogging problems are solved.
Different according to disposition hazardous waste, smoke components are also different, and flue gas has corrosivity and more dirt, this is practical new
The side-blown converter waste-heat recovery device of type, which can effectively solve, thereby results in imflammable gas second-time burning, heated surface corrosion and slagging etc.
Problem improves the coefficient of heat transfer and operational reliability.
According to the different side-blown converter type of furnaces, different flue-gas temperature and exhaust gas volumn, side-blown converter waste-heat recovery device can have more
Kind of form, the convection current heated passage 30 in the present embodiment can be vertically arranged, can also be horizontally disposed with, and then be adapted to horizontal
Boiler and vertical boiler.
Uptake flue 10 in the present embodiment and or downward-flow flue 20 and or convection current heated passage 30 on be provided with expansion
Section 90, by the effect of expansion joint 90, can be absorbed the swell increment of high-temperature surface, solves the thermal expansion problem of equipment, and protect
Demonstrate,prove uptake flue 10,30 sealing without leakage of downward-flow flue 20 and convection current heated passage.
For the ease of conveying water into water pipe 120, uptake flue 10, downward-flow flue 20 and convection current in the present embodiment by
The periphery of the passage of heat 30 is provided with distribution header 50 and header 60, when installation, distributes the entrance of header 50 and water pipe 120
The entrance 41 of connection, the outlet of header 60 and water pipe 120, conveyance conduit passes through distribution header 50 and water pipe 120
Entrance connection, the outlet section 42 of conveyance conduit connect by header 60 with the outlet of water pipe, and the circulation of water is easy to implement
Conveying.
It is provided with water pump 44 on the outlet section 42 of conveyance conduit in the present embodiment, forms forced circulation system, certainly,
In the other embodiments of the utility model, it can also be not provided with water circulating pump 44, circulation 40 is Natural Circulation system at this time
System.
Preferably, water pipe 120 in the present embodiment is serpentine-like to be arranged in inside membrane wall, and the water pipe 120 is according between certain
Snakelike heating surface of tubes away from arrangement, increases effectively heat exchange area, and improves and plunder flow velocity outside flue gas, and enhancing heat exchange is effectively dropped
Low flue-gas temperature, meet subsequent purification gather dust requirement after be discharged.
During actual design, the parameter of steam can also be there are many parameter, can be by the side-blown of the utility model
Furnace waste-heat recovery device is made into middle pressure or sub-high pressure.Pressure be 3.8~5.6MPa, 400~540 DEG C of temperature.In the present embodiment
Side-blown converter waste-heat recovery device can be using the form of support or lifting, to ensure the stabilization of equipment.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
The side-blown converter waste-heat recovery device of the utility model is absorbed using water entrained by the high-temperature flue gas that side-blown converter generates
Waste heat, and be converted into steam and go to generate electricity, or used for production and living.Solves the row such as dust stratification, slagging and corrosion of heating surface
The technical problem being badly in need of in the industry, the side-blown converter waste-heat recovery device of the utility model can well adapt to the characteristic of high-temperature flue gas,
Safe and reliable Mist heat recovering gathers dust after flue gas cool-down for subsequent purification and creates conditions, have good environmental benefit and
Economic benefit.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of side-blown converter waste-heat recovery device characterized by comprising
Uptake flue (10), the entrance of the uptake flue (10) are described for connecting with the soot emissions mouth (80) of side-blown converter
Aeration structure (11) are provided on the side wall of uptake flue (10)；
Downward-flow flue (20), downward-flow flue (20) entrance are connect with the outlet of the uptake flue (10)；
The entrance of convection current heated passage (30), the convection current heated passage (30) is connect with the outlet of the downward-flow flue (20),
The outlet of the convection current heated passage (30) is connect with the outlet (100) of the side-blown converter waste heat boiler；
The uptake flue (10), the downward-flow flue (20) and the convection current heated passage (30) are by by water pipe
(120) it encloses and sets with the membrane wall that is welded of steel plate；
Circulation (40), the circulation (40) include drum (43) and conveyance conduit, and the drum (43) includes
Steam (vapor) outlet (432) and water inlet (431), the conveyance conduit include entrance (41) and outlet section (42), the entrance
(41) it is connected between the water inlet (431) and the entrance of the water pipe (120), the outlet section (42) is connected to the water
Between the outlet and the drum (43) for managing (120).
2. side-blown converter waste-heat recovery device according to claim 1, which is characterized in that the uptake flue (10), described
One or two or more than two deashing points (70) are respectively provided on downward-flow flue (20) and the convection current heated passage (30).
3. side-blown converter waste-heat recovery device according to claim 1, which is characterized in that the uptake flue (10) and decline
Flue (20) is vertically arranged at the soot emissions mouth (80) of the side-blown converter, and the bottom of the downward-flow flue (20) is provided with spoke
Penetrate falling dust room (110).
4. side-blown converter waste-heat recovery device according to claim 1, which is characterized in that the aeration structure (11) is spray
Mouth.
5. side-blown converter waste-heat recovery device according to claim 1, which is characterized in that the convection current heated passage (30) is perpendicular
Straight setting is horizontally disposed.
6. side-blown converter waste-heat recovery device according to claim 1, which is characterized in that the uptake flue (10) and or
The downward-flow flue (20) and or the convection current heated passage (30) on be provided with expansion joint (90).
7. side-blown converter waste-heat recovery device according to claim 1, which is characterized in that be provided on the entrance (41)
Water pump (44) is not provided with water pump (44).
8. side-blown converter waste-heat recovery device according to claim 1, which is characterized in that the uptake flue (10), described
The periphery of downward-flow flue (20) and the convection current heated passage (30) is provided with distribution header (50) and header (60),
Distribution header (50) is connected to the entrance of the water pipe (120), and the header (60) goes out with the water pipe (120)
Mouth connection, the entrance (41) are connect by distribution header (50) with the entrance of the water pipe (120), the outlet section
(42) it is connect by the header (60) with the outlet of the water pipe (120).
9. side-blown converter waste-heat recovery device according to claim 1, which is characterized in that the serpentine-like cloth of the water pipe (120)
It sets in the inside of the membrane wall.
10. side-blown converter waste-heat recovery device according to claim 2, which is characterized in that the deashing point (70) is provided with
Spring or steam injection equipment or shock-wave generating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821083616.XU CN208519744U (en) | 2018-07-09 | 2018-07-09 | Side-blown converter waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821083616.XU CN208519744U (en) | 2018-07-09 | 2018-07-09 | Side-blown converter waste-heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208519744U true CN208519744U (en) | 2019-02-19 |
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ID=65334703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821083616.XU Active CN208519744U (en) | 2018-07-09 | 2018-07-09 | Side-blown converter waste-heat recovery device |
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| Country | Link |
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| CN (1) | CN208519744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758589A (en) * | 2018-07-09 | 2018-11-06 | 中国恩菲工程技术有限公司 | Side-blown converter waste-heat recovery device |
| CN113073162A (en) * | 2021-03-11 | 2021-07-06 | 中国恩菲工程技术有限公司 | Short-process melting iron-making system and blast furnace transformation method |
-
2018
- 2018-07-09 CN CN201821083616.XU patent/CN208519744U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758589A (en) * | 2018-07-09 | 2018-11-06 | 中国恩菲工程技术有限公司 | Side-blown converter waste-heat recovery device |
| CN113073162A (en) * | 2021-03-11 | 2021-07-06 | 中国恩菲工程技术有限公司 | Short-process melting iron-making system and blast furnace transformation method |
| CN113073162B (en) * | 2021-03-11 | 2022-12-09 | 中国恩菲工程技术有限公司 | Short-process melting iron-making system and blast furnace transformation method |
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