CN206269605U - A kind of shaft cooler - Google Patents
A kind of shaft cooler Download PDFInfo
- Publication number
- CN206269605U CN206269605U CN201621370873.2U CN201621370873U CN206269605U CN 206269605 U CN206269605 U CN 206269605U CN 201621370873 U CN201621370873 U CN 201621370873U CN 206269605 U CN206269605 U CN 206269605U
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- cooler
- blast cap
- air inlet
- shaft
- spoke
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Abstract
The utility model is related to a kind of shaft cooler, and shaft cooler includes cooler, supporting plate, air inlet, gas outlet, charging aperture, discharging opening and vibra feeder；Charging aperture and discharging opening are separately positioned on the top and bottom of cooler；Air inlet and gas outlet are separately positioned on the bottom and top of cooler；Supporting plate includes interior plectane and spoke；One end of spoke is fixed on the lower end of the madial wall of cooler, and the other end is fixedly connected with interior plectane；The center of interior plectane is fixedly connected with main blast cap；Main blast cap is connected with air inlet supervisor；Air inlet supervisor be connected through air inlet with gas compressor；Secondary blast cap is fixedly connected with spoke；Secondary blast cap is connected by air intake branch with main blast cap；Vibra feeder is connected to the lower end of tremie pipe；The upper end of tremie pipe passes through the bottom of cooler and the inner space of cooler.The utility model manufacture installs simple, and easy to operate, ventilation effect is good, and cooling effectiveness is high.
Description
Technical field
The utility model is related to high temperature pelletizing cooling treatment technical field, more particularly to a kind of shaft cooler.
Background technology
In direct-reduction production technology in steel industry, the high temperature pelletizing of discharge will be cooled to 200 DEG C from 1100 DEG C
Left and right, maximized this portion of energy of recycling, no matter to energy-conserving and environment-protective, environmental protection, or has weight to the performance of enterprises
Big meaning.Finished metal pellet ore deposit tapping temperature carries heat energy about 1200MJ/t at 1100 DEG C or so, converts into mark coal about
40kg。
Existing cooling device mainly has following three kinds：
1st, single-run cooler, its entire body is supported by two groups of support rollers, with ground in 3~5 degree of inclination angle, by being fixed on cylinder
Gear ring on body is engaged with little gear, and motor drives it to rotate with decelerator, and various lifting blade is provided with cylinder to increase
The contact area of material and air.This occupation area of equipment is big, and cooling effectiveness is low, more than 250 DEG C of drop temperature.
2nd, chain comb cooler, its main body is one section or several sections of grates, and the activity in grate is driven by curved bar linkage
Grate plate, unloads the high-temperature material fallen in grate and is gradually pushed to material end, while by the continuous cold from the cooling wind under grate
But.Because grate is all assembled by heat-resisting steel casting, and the air draft of drying grate must be processed through dust-precipitator, therefore this equipment
Cost is high, and maintenance capacity is big, and affected complex management, power consumption is high.
3rd, shaft cooler, current shaft cooler uses scraper plate push feed system, and scraper plate is passed by baroque pin tooth
Dynamic device drives, high processing costs, and manufacture and installation difficulty are big, occur often between scraper plate and scraper plate platform in actual use
The stuck phenomenon of piece material, so as to cause pin tooth device cisco unity malfunction, it is impossible to ensure the stability and continuity of production,
It is difficult to promote.
Utility model content
In view of above-mentioned analysis, the utility model aims to provide a kind of shaft cooler, and the shaft cooler improves and is
The thermal efficiency of system, has saved the energy.
In order to achieve the above object, the utility model uses supporting plate and blast cap, realizes cooled coal gas inverse with high temperature pelletizing
Stream heat exchange, the heat of high temperature pelletizing is taken away using cooled coal gas, and the direct burning of coal gas for carrying away heat is used, and has reclaimed sensible heat；
And using the complicated scraper plate push feed system of vibra feeder alternative structure.Specific implementation is as follows：
A kind of shaft cooler, the shaft cooler include cooler, supporting plate, air inlet, gas outlet, charging aperture,
Discharging opening and vibra feeder；
The charging aperture and discharging opening are separately positioned on the top and bottom of the cooler；The air inlet and gas outlet
It is separately positioned on the bottom and top of the cooler；
The supporting plate includes interior plectane and spoke；One end of the spoke is fixed under the madial wall of the cooler
End, the other end is fixedly connected with the interior plectane；The center of the interior plectane is fixedly connected with main blast cap；The main blast cap with enter
Gas supervisor's connection；The air inlet supervisor is connected through the air inlet with gas compressor；Pair is fixedly connected with the spoke
Blast cap；The secondary blast cap is connected by air intake branch with the main blast cap；
The vibra feeder is connected to the lower end of tremie pipe；The upper end of the tremie pipe passes through the bottom of the cooler
With the inner space of the cooler.
Further, the height of same radially-arranged secondary blast cap from the interior plectane to the madial wall of the cooler gradually
Secondary reduction；The secondary blast cap of distribution is highly identical in same circumference.
Further, the quantity of the secondary blast cap is 4；4 secondary blast caps are evenly distributed on centered on the main blast cap
In circumference.
Further, the main blast cap and secondary blast cap are conical cowl.
Further, the span of the internal diameter of the cooler is 2.2~3.0m.
Further, the air inlet and 1/4~1/ that the distance on the top of the cooler is the cooler height
3；The gas outlet and 2/3~3/4 that the distance on the top of the cooler is the cooler height.
Further, the material of the supporting plate is Fire and abrasion resistant material.
Further, the top of the cooler is additionally provided with the level-sensing device for controlling thickness of feed layer.
Further, the bottom of the cooler is additionally provided with thermocouple and the measurement of measurement pelletizing and gas temperature
The pressure gauge of the pressure in the cooler.
The utility model has the beneficial effect that：
1st, the utility model passes through distribution blast cap (main blast cap and secondary blast cap) on the supporting plate, realizes cooled coal gas with height
Warm pelletizing countercurrent flow so that the two heat exchange is abundant, the heat of institute's band in the recyclable high temperature pelletizing of heating gas after heat exchange
And for combustion-supporting, the thermal efficiency of system is improve, and the energy has been saved, ventilation effect is good, lightweight, low cost.
2nd, the utility model is using the complicated scraper plate push feed system of simple and reliable vibra feeder alternative structure, manufacture peace
Dress is simple, easy to operate.
3rd, the utility model：For 200,000 tons of metallized pellet production technologies are produced year, the internal diameter of cooler is controlled, realized
Enter the high temperature pelletizing temperature of cooler at 1000~1100 DEG C, after being exchanged heat through cooled coal gas, outlet pelletizing temperature 150~200
DEG C, cooled coal gas consumption is 400~900m3/ t, 4200~5000kJ/m of calorific value3。
Brief description of the drawings
Accompanying drawing is only used for showing the purpose of specific embodiment, and is not considered as to limitation of the present utility model, whole
In accompanying drawing, identical reference symbol represents identical part.
Fig. 1 is shaft cooler structural representation of the present utility model；
Fig. 2 is supporting plate and cap structure schematic diagram in the utility model；
In figure, 1, charging aperture；2nd, gas outlet；3rd, secondary blast cap；4th, main blast cap；5th, discharging opening；6th, supporting plate；6-1, inner circle
Plate；6-2, spoke；7th, cooler；8th, air inlet；9th, tremie pipe；10th, vibra feeder；11st, air inlet supervisor；12nd, air intake branch；
13rd, refractory material.
Specific embodiment
Preferred embodiment of the present utility model is specifically described below in conjunction with the accompanying drawings, wherein, accompanying drawing constitutes the application one
Point, and be used to explain principle of the present utility model together with embodiment of the present utility model.
This implementation gives a kind of shaft cooler, its structural reference Fig. 1 and Fig. 2, and the shaft cooler includes cooler
7th, supporting plate 6, air inlet 8, gas outlet 2, charging aperture 1, discharging opening 5 and vibra feeder 10.Wherein, charging aperture 1 and discharging opening 5
It is separately positioned on the top and bottom of cooler 7.Air inlet 8 and gas outlet 2 are separately positioned on the bottom and top of cooler 7.
In order to sufficiently be exchanged heat, the secondary utilization of heat of pelletizing is taken away, the air inlet 8 of the present embodiment arrives cooler 7
The distance on top be the 1/4~1/3 of cooler height, the distance on the top of gas outlet 2 to cooler 7 is the height of cooler 7
2/3~3/4.
The supporting plate 6 of the present embodiment includes interior plectane 6-1 and spoke 6-2, and with reference to Fig. 2, one end of spoke 6-2 is fixed on cold
But the lower end of the madial wall of device 7, the other end is fixedly connected with interior plectane 6-1.The center of interior plectane 6-1 is fixedly connected with main blast cap
4, main blast cap 4 is connected with air inlet supervisor 11, and air inlet supervisor 11 is connected through air inlet 8 with gas compressor (not shown).
Secondary blast cap 3 is fixedly connected with spoke 6-2, secondary blast cap 3 is connected by air intake branch 12 with main blast cap 4, this ensure that air intake
Uniformity, can be with significantly more efficient cooling down high-temperature pelletizing.
The distribution of the secondary blast cap 3 of the present embodiment：The height of same radially-arranged secondary blast cap 3 is from interior plectane 6-1 to cooling
The madial wall of device 7 reduces gradually, and the secondary blast cap 3 of distribution is highly identical in same circumference.The height of main blast cap 4 is more than secondary blast cap
3 height.The quantity of the secondary blast cap 3 of the present embodiment is preferably 4, and this 4 secondary blast caps 3 are evenly distributed on centered on main blast cap 4
Circumference on.In order to solve the problems, such as material and the reverse heat exchange of cooled coal gas, the main blast cap 4 of the present embodiment and secondary blast cap 3 are adopted
Use conical cowl.
The vibra feeder 10 of the present embodiment is connected to the lower end of the (not shown) of tremie pipe 9, the upper end of the tremie pipe 9
Through the bottom of cooler 7 and the inner space of cooler 7.Tremie pipe 9 and vibra feeder 10 (such as electromagnetic vibration of the present embodiment
Dynamic batcher) quantity be preferably 4, be evenly distributed on around discharging opening 5.4 electro-vibrating feeders, by center system
Control electro-vibrating feeder work, next procedure is delivered to by conveying equipment.
For the metallized pellet for producing 200000 tons per year, the span of the internal diameter of cooler 7 is generally 2.2~3.0m, excellent
Elect 2.5m as, can so ensure gas flow rate rationally, the drag losses through high temperature pelletizing is small, and power consumption is low, and good cooling results are cold
But efficiency high, low cost.
The material of the supporting plate 6 of the present embodiment is Fire and abrasion resistant material.
In order to be further ensured that cooling effect, the present embodiment is additionally provided with thick for controlling the bed of material on the top of cooler 7
The level-sensing device (not shown) of degree, while manhole is provided with, for the maintenance repair of equipment.In order to monitor cooler 7 at any time
Interior metal pelletizing and gas temperature, to control discharge time and withdrawal rate, the present embodiment to be additionally provided with the bottom of cooler 7
The pressure gauge of pressure is (in figure in the thermocouple (not shown) and measurement cooler 7 of measurement metal pelletizing and gas temperature
Do not show).
The course of work of the present embodiment is：When material is cooled down, the charging aperture 1 that high-temperature material passes through shaft cooler top
After, natural downslide forms bank, covers and form certain thickness of feed layer cold wind parcel.Cooled coal gas is total by air inlet
Pipeline is connected with the air duct flange of cooler 7, into cooler 7.From the cold coal that the air inlet 8 of the bottom of cooler 7 is come in
Gas, by secondary blast cap 4 and main blast cap 3, blows out from annular space, through the high-temperature material of surrounding, cooled coal gas and high temperature pelletizing
Fully after heat exchange, discharged from the gas outlet 2 on the top of cooler 7.Pelletizing after cooling, with setting, cooler 7 bottom shakes
The vibration of dynamic dispenser 10, gradually discharges from discharging opening 5.
In year 200000 tons of metallized pellet production technologies of production, into cooler 7 high temperature pelletizing temperature 1000~
1100 DEG C, after being exchanged heat through the cooled coal gas of the present embodiment, 150~200 DEG C of outlet pelletizing temperature, cooled coal gas consumption is 400~
900m3/ t, 4200~5000kJ/m of calorific value3。
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.
Claims (9)
1. a kind of shaft cooler, it is characterised in that the shaft cooler includes cooler, supporting plate, air inlet, outlet
Mouth, charging aperture, discharging opening and vibra feeder；
The charging aperture and discharging opening are separately positioned on the top and bottom of the cooler；The air inlet and gas outlet are distinguished
It is arranged on the bottom and top of the cooler；
The supporting plate includes interior plectane and spoke；One end of the spoke is fixed on the lower end of the madial wall of the cooler,
The other end is fixedly connected with the interior plectane；The center of the interior plectane is fixedly connected with main blast cap；The main blast cap and air inlet
Supervisor's connection；The air inlet supervisor is connected through the air inlet with gas compressor；Secondary wind is fixedly connected with the spoke
Cap；The secondary blast cap is connected by air intake branch with the main blast cap；
The vibra feeder is connected to the lower end of tremie pipe；The upper end of the tremie pipe passes through bottom and the institute of the cooler
State the inner space of cooler.
2. shaft cooler according to claim 1, it is characterised in that the height of same radially-arranged secondary blast cap is from institute
Interior plectane is stated to reduce gradually to the madial wall of the cooler；The secondary blast cap of distribution is highly identical in same circumference.
3. shaft cooler according to claim 1, it is characterised in that the quantity of the secondary blast cap is 4；4 secondary wind
Cap is evenly distributed in the circumference centered on the main blast cap.
4. the shaft cooler according to claim 1 or 2 or 3, it is characterised in that the main blast cap and secondary blast cap are cone
Shape blast cap.
5. the shaft cooler according to claim 1 or 2 or 3, it is characterised in that the internal diameter span of the cooler
It is 2.2~3.0m.
6. the shaft cooler according to claim 1 or 2 or 3, it is characterised in that the air inlet to the cooler
The distance on top is the 1/4~1/3 of the height of the cooler；The gas outlet to the distance on the top of the cooler be institute
State the 2/3~3/4 of the height of cooler.
7. the shaft cooler according to claim 1 or 2 or 3, it is characterised in that the material of the supporting plate is that fire resisting is resistance to
Mill material.
8. the shaft cooler according to claim 1 or 2 or 3, it is characterised in that the top of the cooler is additionally provided with
Level-sensing device for controlling thickness of feed layer.
9. the shaft cooler according to claim 1 or 2 or 3, it is characterised in that the bottom of the cooler is additionally provided with
The pressure gauge of the pressure in the thermocouple and the measurement cooler of measurement pelletizing and gas temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370873.2U CN206269605U (en) | 2016-12-14 | 2016-12-14 | A kind of shaft cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370873.2U CN206269605U (en) | 2016-12-14 | 2016-12-14 | A kind of shaft cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206269605U true CN206269605U (en) | 2017-06-20 |
Family
ID=59045463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621370873.2U Active CN206269605U (en) | 2016-12-14 | 2016-12-14 | A kind of shaft cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206269605U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611458A (en) * | 2018-05-18 | 2018-10-02 | 钢研晟华科技股份有限公司 | A kind of method of rotary hearth furnace processing solid waste |
| CN109028986A (en) * | 2018-08-24 | 2018-12-18 | 钢研晟华科技股份有限公司 | The sintering mine sensible heat and sintering flue gas waste heat comprehensive utilization system of continuous pallettype sintering machine |
| CN109269308A (en) * | 2018-08-24 | 2019-01-25 | 钢研晟华科技股份有限公司 | A kind of shaft cooler and method using sintering flue gas and sinter heat exchange |
| CN109764688A (en) * | 2019-01-18 | 2019-05-17 | 彭志坚 | A kind of cylinder-shaped vertical cooling equipment of outer furnace of modularization furnace |
| CN112033147A (en) * | 2020-09-14 | 2020-12-04 | 偏关县晋电化工有限责任公司 | Kiln head hot material cooling device and cooling method suitable for rotary kiln |
-
2016
- 2016-12-14 CN CN201621370873.2U patent/CN206269605U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611458A (en) * | 2018-05-18 | 2018-10-02 | 钢研晟华科技股份有限公司 | A kind of method of rotary hearth furnace processing solid waste |
| CN108611458B (en) * | 2018-05-18 | 2020-03-20 | 钢研晟华科技股份有限公司 | Method for treating solid waste by rotary hearth furnace |
| CN109028986A (en) * | 2018-08-24 | 2018-12-18 | 钢研晟华科技股份有限公司 | The sintering mine sensible heat and sintering flue gas waste heat comprehensive utilization system of continuous pallettype sintering machine |
| CN109269308A (en) * | 2018-08-24 | 2019-01-25 | 钢研晟华科技股份有限公司 | A kind of shaft cooler and method using sintering flue gas and sinter heat exchange |
| CN109269308B (en) * | 2018-08-24 | 2019-10-25 | 钢研晟华科技股份有限公司 | A kind of shaft cooler and method using sintering flue gas and sinter heat exchange |
| CN109764688A (en) * | 2019-01-18 | 2019-05-17 | 彭志坚 | A kind of cylinder-shaped vertical cooling equipment of outer furnace of modularization furnace |
| CN109764688B (en) * | 2019-01-18 | 2020-08-25 | 彭志坚 | Cylindrical vertical cooling equipment for outer furnace of modular furnace |
| CN112033147A (en) * | 2020-09-14 | 2020-12-04 | 偏关县晋电化工有限责任公司 | Kiln head hot material cooling device and cooling method suitable for rotary kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100081 No.1, building 37, 76 Xueyuan South Road, Haidian District, Beijing Patentee after: CISRI SUNWARD TECHNOLOGY Co.,Ltd. Address before: 100081 No. 76 South College Road, Beijing, Haidian District Patentee before: CISRI SHENGHUA ENGINEERING TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |