CN207760373U - A kind of reduction kiln device of direct reduced iron - Google Patents
A kind of reduction kiln device of direct reduced iron Download PDFInfo
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- CN207760373U CN207760373U CN201721783138.9U CN201721783138U CN207760373U CN 207760373 U CN207760373 U CN 207760373U CN 201721783138 U CN201721783138 U CN 201721783138U CN 207760373 U CN207760373 U CN 207760373U
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- fixedly connected
- kiln
- sealing drum
- threaded rod
- gas pipeline
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Abstract
The utility model discloses a kind of reduction kiln devices of direct reduced iron, including restoring kiln, kiln car, material pond, connecting tube, gas pipeline and combustion-supporting wind pipeline, the kiln car is movably connected in the inner wall of reduction kiln, the material pond is fixedly connected on the top of kiln car, the side of the reduction kiln offers through-hole, the connecting tube is fixedly connected on the inner wall of reduction kiln by through-hole, the gas pipeline is fixedly connected on the side of connecting tube, the combustion-supporting wind pipeline is fixedly connected on the top of connecting tube, it is fixedly connected with flow regulator at the top of the gas pipeline.The utility model is by being arranged control panel, control panel is fixedly connected with bearing, bearing is fixedly connected with threaded rod, threaded rod is threadedly coupled with sealing drum, control panel is set to be slided between gas pipeline and sealing, the size that gas pipeline cross section is blocked by control panel has achieved the effect that adjustment of combustion gas flow to change the flow of combustion gas.
Description
Technical field
The utility model is related to direct reduced iron technical field, the reduction kiln device of specially a kind of direct reduced iron.
Background technology
China is the first in the world big crude steel yield state, and output of steel in 2011 breaks through 700,000,000 tons, needs steel scrap more than 9,000 ten thousand year
Ton, reduced iron demand are 5,000,000 tons.3,000,000 tons of China year import reduced iron, and reduced iron (sponge iron) annual output is only 60
Ten thousand tons.China is the abundant country of a poor iron ore deposit again, and low poor slow-witted mine accounts for 97% or more iron ore deposit, but also needs to every year
From 600,000,000 tons of iron ore of external import.In addition, there be the iron-containing wastes such as more than one hundred million tons of sulfate slag, copper ashes, dedusting ash in China every year
It generates.Now, China is the country of a mill coal rich reserves, and coking coal resource increasingly takes place frequently, therefore country puts into effect related political affairs
Plan encourages Development of Direct-Reduced Iron and the technological development of Fei Jiao iron-smelting process and application.Improve reduced iron yield and quality and
The a large amount of low poor slow-witted mine in exploitation China and iron-containing waste make its resource be the extremely urgent cause of a change.Coal base tunnel oven pot type
Method is passed by 30 years history in China, and coal base tunnel oven pot type method technics comparing is stable, ripe, and project distribution is relatively universal.
Currently, the 600000 tons of direct reduced iron (sponge iron) in China year, are mostly that coal base tunnel oven pot type method produces.Traditional coal base tunnel
Road kiln pot type method production direct reduced iron (sponge iron), it is necessary to which, using expensive fire-resistant can, technique backwardness causes high energy consumption, reduction
Time is long, and labour consumes the reasons such as height, poor product quality, causes the practical problems such as the of high cost, slack market of production run.Make
China despite the first big country of output of steel in the world, can direct reduced iron annual output not as good as the yield of India's two weeks, cause
The direct reduced iron of iron company has a large amount of notch, it has to change the direct reduced iron of a large amount of import foreign countries of high price.Coal base tunnel
The current technique of road kiln pot type method production reduced iron can only use fine iron breeze or the iron scale direct-reduction reduction of TFe >=66%
Iron.It is high-grade that traditional coal base tunnel oven pot type method can not also utilize poor value and iron-containing waste direct-reduction to isolate
Restore iron product.If Chinese patent CN201220160053.6 discloses a kind of reduction furnace equipment of direct reduced iron, belong to straight
Connect reduced iron technical field.The furnace equipment of the direct reduced iron of the utility model, including kiln top, combustion-supporting wind pipeline, Gas Pipe
Road, burner, charging tray, support base, bent envelope, kiln car, combustion chamber, material pond and accumulation of heat radiation chamber are combustion wherein between kiln top and material pond
Room is burnt, sidewall of combustion chamber is equipped with burner, and combustion-supporting wind pipeline, gas pipeline are connected with burner, the support base branch of kiln car upper end setting
Charging tray is supportted, the space between charging tray, support base and kiln car is accumulation of heat radiation chamber, and kiln car is connect by song envelope with kiln.Preheating
Reduced material reducing agent is fitted by mixing in the charging tray of kiln car, coverture is tiled by material distributing machine by above-mentioned furnace equipment
Above to mixed material, reduction is set to obtain reduction iron product kiln car push-in kiln.The utility model saves the energy, reduces
The rate of recovery of recovery time, reduced iron are high.But the gas pipeline of the device is not provided with the device of control gas flow, it is difficult to
The flow of effective control combustion gas, keeps fuel gas buring insufficient, results in waste of resources and certain harm, and the device needs greatly
The volume control device of amount, volume control device that can be on the market is complicated of high cost, causes to build reduction kiln cost change
It is high.
Utility model content
The purpose of this utility model is to provide a kind of reduction kiln device of direct reduced iron, have through structure letter
The advantages of single low-cost flow regulator adjustment of combustion gas flow, the gas pipeline for solving the device is not provided with control
The device of gas flow, it is difficult to which the flow of effective control combustion gas keeps fuel gas buring insufficient, results in waste of resources and certain
Harm and the device need a large amount of volume control device, and volume control device that can be on the market is complicated of high cost, causes
Build the problem of reduction kiln cost is got higher.
To achieve the above object, the utility model provides the following technical solutions：A kind of reduction kiln dress of direct reduced iron
It sets, including reduction kiln, kiln car, material pond, connecting tube, gas pipeline and combustion-supporting wind pipeline, the kiln car are movably connected in reduction
The inner wall of kiln, the material pond are fixedly connected on the top of kiln car, and the side of the reduction kiln offers through-hole, the connection
Pipe is fixedly connected on the inner wall of reduction kiln by through-hole, and the gas pipeline is fixedly connected on the side of connecting tube, described to help
Combustion wind pipeline is fixedly connected on the top of connecting tube, and flow regulator is fixedly connected at the top of the gas pipeline.
The flow regulator includes sealing drum, and the sealing drum is fixedly connected on the top of gas pipeline, and seals
Cylinder is communicated with gas pipeline, and the inner wall of the sealing drum slidably connects control panel, is fixedly connected at the top of the control panel
The surface of bearing, the bearing outer ring is fixedly connected with threaded rod, and threaded hole, the screw thread are offered at the top of the sealing drum
The surface of bar is threadedly coupled by the threaded hole on sealing drum with sealing drum, and the surface activity of the threaded rod is connected with rotation
Disk, offers sliding through hole at the axle center at the top of the rotating disc, and the inner wall of the rotating disc is opened up limited by sliding through hole
Position slot, the inner wall of the rotating disc are fixedly connected with spring by limiting slot, and the side of the spring is fixedly connected with sliding shoe,
The side of sliding shoe is fixedly connected with limited block, and the side on the threaded rod at the top of it offers card slot, the limit
The surface of block is clamped by the inner wall of card slot and threaded rod, and the surface of the rotating disc is fixedly connected with socket ring, the socket
Ring set is connected on the surface of sealing drum.
Preferably, the size of the socket ring is adapted with the size of sealing drum.
Preferably, it is fixedly connected with sealing block at the top of the sealing drum.
Preferably, the shapes and sizes of the control panel are adapted with the shapes and sizes of gas pipeline.
Preferably, the front view of the limited block is sector.
Preferably, the quantity of the limiting slot and card slot is four, and four limiting slots and card slot are opened in rotation respectively
The inner wall of disk and the surface of threaded rod.
Compared with prior art, the beneficial effects of the utility model are as follows：
1, the utility model is fixedly connected by the way that control panel, control panel is arranged with bearing, and bearing is fixedly connected with threaded rod,
Threaded rod is threadedly coupled with sealing drum, and control panel is made to be slided between gas pipeline and sealing, and Gas Pipe is blocked by control panel
The size in road cross section has achieved the effect that adjustment of combustion gas flow to change the flow of combustion gas.
2, the utility model passes through above-mentioned simple knot by the way that control panel, bearing, sealing drum, threaded rod and rotating disc is arranged
Cooperation between structure realizes the effect of control gas flow, has achieved the effect that reduce flow regulator cost.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the lateral partial structurtes sectional view of the utility model flow regulator front view；
Fig. 3 is the lateral partial structurtes sectional view of the utility model flow regulator front view；
Fig. 4 is the lateral partial structurtes sectional view of the utility model flow regulator front view；
Fig. 5 is the lateral partial structurtes sectional view of the utility model flow regulator vertical view.
In figure：1- restores kiln, 2- kiln cars, 3- material ponds, 4- connecting tubes, 5- gas pipelines, the combustion-supporting wind pipelines of 6-, 7- flows
Regulating device, 8- sealing drums, 9- control panels, 10- bearings, 11- threaded rods, 12- rotating discs, 13- springs, 14- sliding shoes, 15-
Limited block, 16- are socketed ring.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 to 5, the utility model provides a kind of technical solution：A kind of reduction kiln device of direct reduced iron,
Including reduction kiln 1, kiln car 2, material pond 3, connecting tube 4, gas pipeline 5 and combustion-supporting wind pipeline 6, the setting of reduction kiln 1 is used for
The heat that fuel combustion generates is flocked together, the place of a high temperature is formed, is provided to carry out a series of chemical reaction
Place, kiln car 2 are movably connected in the inner wall of reduction kiln 1, and the setting of kiln car 2 with material pond 3 in restoring kiln 1 for moving
Dynamic, material pond 3 is fixedly connected on the top of kiln car 2, and the setting of material pond 3 needs substance to be reacted for placing, restores the side of kiln 1
Face offers through-hole, and connecting tube 4 is fixedly connected on the inner wall of reduction kiln 1 by through-hole, and gas pipeline 5 is fixedly connected on connection
The side of pipe 4, for providing the place for conveying fuel for reduction kiln 1, combustion-supporting wind pipeline 6, which is fixed, to be connected for the setting of gas pipeline 5
It is connected on the top of connecting tube 4, the setting of combustion-supporting wind pipeline 6 is fired for providing combustion-supporting gas for the burning of fuel in reduction kiln 1
The top of feed channel 5 is fixedly connected with flow regulator 7, by be arranged flow regulator 7 to regulating gas flow,
Combustion gas is set fully to burn.
Flow regulator 7 includes sealing drum 8, and the setting of sealing drum 8 provides sliding place for plate 9 in order to control, simultaneously
The place of threaded connection is provided for threaded rod 11, sealing drum 8 is fixedly connected on the top of gas pipeline 5, and sealing drum 8 and combustion gas
Pipeline 5 communicates, and the inner wall of sealing drum 8 slidably connects control panel 9, and control panel 9 is by changing the big of 5 cross section of gas pipeline
It is small, and then the flow of gas pipeline 5 is controlled, the shapes and sizes of control panel 9 are adapted with the shapes and sizes of gas pipeline 5,
Control panel 9 and the sealing function of gas pipeline 5 is set more to coordinate, the top of control panel 9 is fixedly connected with bearing 10, and bearing 10 is set
It sets for connecting threaded rod 11 and control panel 9, when threaded rod 11 being made to rotate, control panel 9 can not follow rotation, outside bearing 10
The surface of circle is fixedly connected with threaded rod 11, and threaded rod 11 is threadedly coupled with sealing drum 8, by rotating threaded rod 11, makes screw thread
Bar 11 moves up and down in sealing drum 8, and then drives the mobile regulating gas pipe between sealing drum 8 and gas pipeline 5 of control panel 9
The flow in road 5, the top of sealing drum 8 offer threaded hole, and the surface of threaded rod 11 passes through threaded hole on sealing drum 8 and sealing
Cylinder 8 is threadedly coupled, and the top of sealing drum 8 is fixedly connected with sealing block, and the setting of sealing block is for making threaded rod 11 and sealing drum 8
Between obturation effect it is more preferable, gas leakage causes damages when preventing threaded rod 11 from rotating, the connection of the surface activity of threaded rod 11
There are rotating disc 12, the setting of rotating disc 12 to be offered at the axle center at 12 top of rotating disc for facilitating people to rotate threaded rod 11
The inner wall of sliding through hole, rotating disc 12 offers limiting slot by sliding through hole, and the inner wall of rotating disc 12 is fixed by limiting slot
It is connected with spring 13, the setting of spring 13 is used to provide elastic force for sliding shoe 14, and the side of spring 13 is fixedly connected with sliding shoe
14, the side of sliding shoe 14 is fixedly connected with limited block 15, by the way that sliding shoe 14 and limited block 15 is arranged, makes rotating disc 12 and spiral shell
Rasp bar 11 is clamped, and the front view of limited block 15 is sector, and the limited block 15 for being fan-shaped by the way that front view is arranged makes limited block 15 exist
The sliding on 11 surface of threaded rod is more smooth, and the side on threaded rod 11 at the top of it offers card slot, limiting slot and card slot
Quantity be four, and four limiting slots and card slot are opened in the surface of the inner wall and threaded rod 11 of rotating disc 12 respectively, pass through
Four limiting slots and card slot are set, keep the clamping between threaded rod 11 and rotating disc 12 more secured, the surface of limited block 15 is logical
The inner wall for crossing card slot and threaded rod 11 is clamped, and by the way that spring 13, limited block 15 and sliding shoe 14 is arranged, makes the good threaded rod of rotation 11
Afterwards, rotating disc 12 is pressed, rotating disc 12 is released and the clamping of threaded rod 11 acts on, rotating disc 12 is moved down, prevent from accidentally touching
Threaded rod 11 is rotated, the surface of rotating disc 12 is fixedly connected with socket ring 16, and being socketed 16 one side of ring by setting facilitates rotation
Rotating disc 12, ring 16 is on the other hand socketed when rotating disc 12 moves down to limit the position of rotating disc 12 and sealing drum 8
Fixed, socket ring 16 is socketed in the surface of sealing drum 8, and the size of socket ring 16 is adapted with the size of sealing drum 8, facilitates socket ring
16 are socketed with sealing drum 8, and then by the position restriction of rotating disc 12.
Operation principle：A kind of reduction kiln device of direct reduced iron is first in use, when needing adjustment of combustion gas flow
First rotating disc 12 is moved up along threaded rod 11, when being moved at card slot, spring 13 pushes sliding shoe 14, sliding shoe 14 to push away
Dynamic limited block 15 is clamped with threaded rod 11, rotates rotating disc 12 at this time, threaded rod 11 is more with the rotation of rotating disc 12 in sealing drum 8
It moves up and down, to make control panel 9 be moved up and down in gas pipeline 5, controls the flow of combustion gas in gas pipeline 5, adjust combustion
After throughput size, rotating disc 12 is pressed downwards, and the curved surface of limited block 15, which is under pressure, drives sliding shoe 14 to be moved into limiting slot
It is dynamic, the clamping effect between rotating disc 12 and threaded rod 11 is released, 12 slide downward of rotating disc is made to ride over the top of sealing drum 8,
It is socketed ring 16 simultaneously and is socketed sealing drum 8, prevents because accidentally touching rotation threaded rod 11, the apparatus structure is simple, of low cost, control
Flow rate effects are good.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of reduction kiln device of direct reduced iron, including reduction kiln (1), kiln car (2), material pond (3), connecting tube (4),
Gas pipeline (5) and combustion-supporting wind pipeline (6), the kiln car (2) are movably connected in the inner wall of reduction kiln (1), the material pond (3)
It is fixedly connected on the top of kiln car (2), the side of the reduction kiln (1) offers through-hole, and the connecting tube (4) passes through through-hole
It is fixedly connected on the inner wall of reduction kiln (1), the gas pipeline (5) is fixedly connected on the side of connecting tube (4), described combustion-supporting
Wind pipeline (6) is fixedly connected on the top of connecting tube (4), it is characterised in that：It is fixedly connected at the top of the gas pipeline (5)
Flow regulator (7)；
The flow regulator (7) includes sealing drum (8), and the sealing drum (8) is fixedly connected on the top of gas pipeline (5)
Portion, and sealing drum (8) is communicated with gas pipeline (5), the inner wall of the sealing drum (8) slidably connects control panel (9), the control
Bearing (10) is fixedly connected at the top of making sheet (9), the surface of bearing (10) outer ring is fixedly connected with threaded rod (11), institute
State and offer threaded hole at the top of sealing drum (8), the surface of the threaded rod (11) by threaded hole on sealing drum (8) with it is close
Sealed tube (8) is threadedly coupled, and the surface activity of the threaded rod (11) is connected with rotating disc (12), at the top of the rotating disc (12)
Sliding through hole is offered at axle center, the inner wall of the rotating disc (12) offers limiting slot, the rotating disc by sliding through hole
(12) inner wall is fixedly connected with spring (13) by limiting slot, and the side of the spring (13) is fixedly connected with sliding shoe
(14), the side of the sliding shoe (14) is fixedly connected with limited block (15), the side on the threaded rod (11) at the top of it
Face offers card slot, and the surface of the limited block (15) is clamped by the inner wall of card slot and threaded rod (11), the rotating disc
(12) surface is fixedly connected with socket ring (16), and the socket ring (16) is socketed in the surface of sealing drum (8).
2. a kind of reduction kiln device of direct reduced iron according to claim 1, it is characterised in that：The socket ring
(16) size is adapted with the size of sealing drum (8).
3. a kind of reduction kiln device of direct reduced iron according to claim 1, it is characterised in that：The sealing drum
(8) sealing block is fixedly connected at the top of.
4. a kind of reduction kiln device of direct reduced iron according to claim 1, it is characterised in that：The control panel
(9) shapes and sizes are adapted with the shapes and sizes of gas pipeline (5).
5. a kind of reduction kiln device of direct reduced iron according to claim 1, it is characterised in that：The limited block
(15) front view is sector.
6. a kind of reduction kiln device of direct reduced iron according to claim 1, it is characterised in that：The limiting slot and
The quantity of card slot is four, and four limiting slots and card slot are opened in the table of the inner wall and threaded rod (11) of rotating disc (12) respectively
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721783138.9U CN207760373U (en) | 2017-12-19 | 2017-12-19 | A kind of reduction kiln device of direct reduced iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721783138.9U CN207760373U (en) | 2017-12-19 | 2017-12-19 | A kind of reduction kiln device of direct reduced iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207760373U true CN207760373U (en) | 2018-08-24 |
Family
ID=63187258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721783138.9U Expired - Fee Related CN207760373U (en) | 2017-12-19 | 2017-12-19 | A kind of reduction kiln device of direct reduced iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207760373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485047A (en) * | 2020-06-16 | 2020-08-04 | 王东亮 | Reduction kiln equipment for directly reducing iron |
-
2017
- 2017-12-19 CN CN201721783138.9U patent/CN207760373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485047A (en) * | 2020-06-16 | 2020-08-04 | 王东亮 | Reduction kiln equipment for directly reducing iron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20181219 |