CN107941013A - A kind of upright cooling furnace bottom of sinter multicell goes out formula feeding system - Google Patents
A kind of upright cooling furnace bottom of sinter multicell goes out formula feeding system Download PDFInfo
- Publication number
- CN107941013A CN107941013A CN201711405019.4A CN201711405019A CN107941013A CN 107941013 A CN107941013 A CN 107941013A CN 201711405019 A CN201711405019 A CN 201711405019A CN 107941013 A CN107941013 A CN 107941013A
- Authority
- CN
- China
- Prior art keywords
- mineral aggregate
- cooling furnace
- upright cooling
- buffering chamber
- sinter
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 63
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 53
- 239000011707 mineral Substances 0.000 claims abstract description 53
- 230000003139 buffering effect Effects 0.000 claims abstract description 38
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003546 flue gas Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 7
- 238000005299 abrasion Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 239000003500 flue dust Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material
Abstract
The present invention relates to a kind of upright cooling furnace bottom of sinter multicell to go out formula feeding system, mineral aggregate buffering chamber is arranged on the top of multiple upright cooling furnaces, the bottom of mineral aggregate buffering chamber is plane, guide chute is made of straight section and oblique section, the bottom of the top connection mineral aggregate buffering chamber of straight section, the feed inlet of each upright cooling furnace of bottom connection of oblique section；Straight section sets electric rotating plate valve with oblique section joint, and electric rotating plate valve is controlled by valve positioner, and valve positioner is arranged on outside guide chute, its control terminal is connected with Central Control Room；Pressure equaliser includes pressure gauge, flue gas balance pipe and pressure-regulating valve, pressure gauge is arranged at the top of mineral aggregate buffering chamber, one end of flue gas balance pipe inside mineral aggregate buffering chamber with connecting, the other end is connected with the recuperated gas outlet conduit of upright cooling furnace, pressure-regulating valve, pressure-regulating valve and pressure gauge interlocked control are set on flue gas balance pipe.The present invention can realize the high-efficiency and continuous cooling of sinter；It is easy to operate and feed is smooth.
Description
Technical field
The present invention relates to sinter cooling technology field, more particularly to a kind of upright cooling furnace bottom of sinter multicell to go out formula confession
Material system.
Background technology
Sintering circuit energy consumption is huge, and second is occupied in steel and iron industry.Sintering mine sensible heat accounts for more than the 40% of overall heat consumption, such as
What becomes industry focus of attention using this portion of energy.Currently, the cooling of China's sinter and waste heat recovery are mainly cold using ring
Machine technology.From practice, this technology has a disadvantage that：1) because non-uniform charging, cause waste heat parameter fluctuation big, jeopardize
Afterheat utilizing system safety；2) system air leakage problem is serious, still can not be from not catching up with although taking local water seal measure
Solve the problems, such as, cause thermal efficiency decay serious, and the leakage of flue dust inorganization is very big to environmental hazard.
The Chinese patent of Patent No. CN 205940170 discloses " a kind of double vertical sinter cooling furnaces of cooling chamber ", will
Cooling unit is divided into two.However, since it uses the single section that prestores, the section that will not prestore separates.It is uniform to solve only heat exchange
Sex chromosome mosaicism, does not solve continuous pan feeding and maintenance issue fundamentally.Moreover, section feeding device that prestores does not have negative pressure adjusting
Device, causes flue dust easily to be revealed, and pollutes.
The content of the invention
The present invention provides a kind of upright cooling furnace bottom of sinter multicell to go out formula feeding system, and sinter is slipped by guide
Groove is assigned in different upright cooling furnaces, is cooled down so as to fulfill high-efficiency and continuous；It is easy to operate and feed is smooth.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of upright cooling furnace bottom of sinter multicell goes out formula feeding system, including mineral aggregate transporter, mineral aggregate buffering chamber, guide
Chute, upright cooling furnace and pressure equaliser；The upright cooling furnace is circumferentially evenly arranged to be multiple, and mineral aggregate buffering chamber is set
In the top at upright cooling furnace arrangement center, the side of mineral aggregate buffering chamber is connected with mineral aggregate transporter, the bottom of mineral aggregate buffering chamber
For plane, guide chute is made of straight section and oblique section, the bottom of the top connection mineral aggregate buffering chamber of straight section, the bottom connection of straight section
The top of oblique section, the feed inlet of each upright cooling furnace of bottom connection of oblique section；Tiltedly the angle of section incline direction and horizontal plane is
45 °~60 °；Straight section top sets electric rotating plate valve, and electric rotating plate valve is controlled by valve positioner, and valve positioner is arranged on and leads
Expect outside chute, its control terminal is connected with Central Control Room；Pressure equaliser includes pressure gauge, flue gas balance pipe and pressure and adjusts
Valve, pressure gauge are arranged at the top of mineral aggregate buffering chamber, and one end of flue gas balance pipe inside mineral aggregate buffering chamber with connect, the other end and directly
The recuperated gas outlet conduit of vertical cooling furnace connects, and pressure-regulating valve, pressure-regulating valve and pressure gauge are set on flue gas balance pipe
Interlocked control.
The outside rotated down of electric rotating plate valve is opened.
The mineral aggregate buffering chamber, the inner side of guide chute are equipped with abrasion-resistant ceramic lining plate or heat resistant and wear resistant polyurethane lining board,
Insulating layer is set on the outside of guide chute.
The cross section of the guide chute is circle, and its cross-sectional area is equal from top to bottom；Guide chute with it is upright cold
But it is tightly connected between stove.
The main body of the mineral aggregate buffering chamber is circular warehouse.
Transporter seal closure is set on the outside of the mineral aggregate transporter.
Compared with prior art, the beneficial effects of the invention are as follows：
1) mineral aggregate buffering chamber reserves are big, can play good cushioning effect, are conducive to the organized distribution of material；
2) each guide chute is both provided with single electric rotating plate valve, electric rotating plate valve by valve positioner with
Central Control Room connects, and situation is cooled down according to the material of upright cooling furnace, the opening and closing angle of remote controlled electric rotating plate valve and when
Between, realize controllable distribution and the continuous coo1ing of material；
3) inner wall of mineral aggregate buffering chamber and guide chute sets abrasion-resistant ceramic lining plate or polyurethanes high temperature resistant wearing plate, rises
Acted on to good anti-pressure and abrasion-proof, outside sets insulating layer, insulation effect is played, while service life is improved, it is also ensured that ore deposit
Material heat scatters and disappears less；
4) other end of flue gas balance pipe is connected in the relatively low upright furnace outlet conduit of pressure, passes through gauge measurement
Pressure in mineral aggregate buffering chamber, and with pressure-regulating valve interlocked control, it be tiny structure to keep in mineral aggregate buffering chamber, and guarantee mineral aggregate is defeated
Dust will not leak during sending.
Brief description of the drawings
Fig. 1 is the structure diagram that the upright cooling furnace bottom of a kind of sinter multicell of the present invention goes out formula feeding system.
Fig. 2 is the floor plan one of upright cooling furnace of the present invention (exemplified by 3)
Fig. 3 is the floor plan two of upright cooling furnace of the present invention (exemplified by 4)
In figure：1. 4. electric rotating plate valve of mineral aggregate transporter 2. transporter seal closure, 3. mineral aggregate buffering chamber, 5. guide slips
8. pressure gauge of upright 7. valve positioner of cooling furnace, 9. pressure-regulating valve, the 10. flue gas balance pipes 11. of groove 6. are uprightly cold
But outlet of still pipeline
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, the upright cooling furnace bottom of a kind of sinter multicell of the present invention goes out formula feeding system, including mineral aggregate fortune
Defeated machine 1, mineral aggregate buffering chamber 3, guide chute 5, upright cooling furnace 6 and pressure equaliser；The upright cooling furnace 6 is multiple edges
It is arranged circumferentially (as shown in Figure 2 and Figure 3), mineral aggregate buffering chamber 3 is arranged on the top at upright cooling furnace 6 arrangement center, mineral aggregate caching
The side in storehouse 3 is connected with mineral aggregate transporter 1, and the bottom of mineral aggregate buffering chamber 3 is plane, and guide chute 5 is made of straight section and oblique section,
The bottom of the top connection mineral aggregate buffering chamber 3 of straight section, the bottom of straight section connect the top of oblique section, and the bottom connection of oblique section is each straight
The feed inlet of vertical cooling furnace 6；The angle of oblique section incline direction and horizontal plane is 45 °~60 °；Straight section top sets electric rotating plate valve
4, electric rotating plate valve 4 is controlled by valve positioner 7, and valve positioner 7 is arranged on outside guide chute 5, its control terminal and middle control
Room connects；Pressure equaliser includes pressure gauge 8, flue gas balance pipe 10 and pressure-regulating valve 9, and pressure gauge 8 delays arranged on mineral aggregate
The top of storage 3, one end of flue gas balance pipe 10 are connected with the inside of mineral aggregate buffering chamber 3, the other end and the heat exchange of upright cooling furnace 6
Gases exit line connects, and pressure-regulating valve 9, pressure-regulating valve 9 and 8 interlocked control of pressure gauge are set on flue gas balance pipe 10.
The 4 outside rotated down of electric rotating plate valve is opened.
The mineral aggregate buffering chamber 3, the inner side of guide chute 5 are equipped with abrasion-resistant ceramic lining plate or heat resistant and wear resistant polyurethane serves as a contrast
Plate, the outside of guide chute 5 set insulating layer.
The cross section of the guide chute 5 is circle, and its cross-sectional area is equal from top to bottom；Guide chute 5 with it is upright
It is tightly connected between cooling furnace 6.
The main body of the mineral aggregate buffering chamber 3 is circular warehouse.
The outside of the mineral aggregate transporter 1 sets transporter seal closure 2.
Formula feeding system is gone out to multiple upright cooling chambers using a kind of upright cooling furnace bottom of sinter multicell of the present invention
The method of interior feed is as follows：
1) after the heat sinter that sintering machine comes out is handled after crushing and screening, mineral aggregate buffering chamber 3 is transported to by mineral aggregate transporter 1
In, whole enclosed conveying is realized by transporter seal closure 2, prevents flue dust from leaking；3 bottom of mineral aggregate buffering chamber passes through multiple inclinations
The guide chute 5 of setting connects multiple upright cooling furnaces 6, and feed inlet one end of guide chute 5 is respectively equipped with electric rotating plate valve
4；Electric rotating plate valve 4 is connected by valve positioner 7 with Central Control Room；
2) command signal is sent, passes through valve according to the material position of sinter in 6 stoves of each upright cooling and cooling situation, Central Control Room
Door controller 7 controls electric rotating plate valve 4 to turn off or on and alternately feeds into each upright cooling furnace 6；Within the same time only
Individually feed in a upright cooling furnace 6 thereto, stop dress after the material position in the upright cooling furnace 6 reaches technological requirement
Material, closes corresponding electric rotating plate valve 4；
3) flue gas balance pipe 10, mineral aggregate are set between the recuperated gas outlet conduit and mineral aggregate buffering chamber 3 of upright cooling furnace 6
Buffering chamber 3 sets pressure gauge 8, and 9 interlocked control of pressure-regulating valve on flue gas balance pipe 10, ensure in upright cooling furnace 6 and
3 operating pressure is tiny structure in mineral aggregate buffering chamber, prevents flue gas from escaping；
4) the circulation cold air less than 80 DEG C is introduced in upright cooling furnace 6 abundant, uniformly cooling is carried out to sinter；Change
Gas after heat is sent to heat transmission equipment by recuperated gas outlet conduit and exchanges heat, and realizes the recycling of heat；Heat sinter
After reaching technological temperature requirement after cooling, start discharge device and discharge sinter after cooling；Then it is again upright to this
Feed in cooling furnace 6；
5) alternately, when a upright cooling furnace 6 is overhauled, other upright cooling furnaces 6 are just for the maintenance of each upright cooling furnace 6
Often charging, discharging.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of upright cooling furnace bottom of sinter multicell goes out formula feeding system, it is characterised in that delays including mineral aggregate transporter, mineral aggregate
Storage, guide chute, upright cooling furnace and pressure equaliser；The upright cooling furnace is circumferentially evenly arranged to be multiple, ore deposit
Expect that buffering chamber is arranged on the top at upright cooling furnace arrangement center, the side of mineral aggregate buffering chamber is connected with mineral aggregate transporter, and mineral aggregate delays
The bottom of storage is plane, and guide chute is made of straight section and oblique section, the bottom of the top connection mineral aggregate buffering chamber of straight section, straight section
Bottom connect the top of oblique section, the feed inlet of each upright cooling furnace of bottom connection of oblique section；Oblique section incline direction and level
The angle in face is 45 °~60 °；Straight section top sets electric rotating plate valve, and electric rotating plate valve is controlled by valve positioner, valve control
Device processed is arranged on outside guide chute, its control terminal is connected with Central Control Room；Pressure equaliser includes pressure gauge, flue gas balance pipe
And pressure-regulating valve, pressure gauge are arranged at the top of mineral aggregate buffering chamber, one end of flue gas balance pipe is connected with mineral aggregate buffering chamber inside,
The other end is connected with the recuperated gas outlet conduit of upright cooling furnace, and pressure-regulating valve is set on flue gas balance pipe, and pressure is adjusted
Valve and pressure gauge interlocked control.
2. the upright cooling furnace bottom of a kind of sinter multicell according to claim 1 goes out formula feeding system, it is characterised in that institute
The outside rotated down of electric rotating plate valve is stated to open.
3. the upright cooling furnace bottom of a kind of sinter multicell according to claim 1 goes out formula feeding system, it is characterised in that institute
State mineral aggregate buffering chamber, the inner side of guide chute is equipped with abrasion-resistant ceramic lining plate or heat resistant and wear resistant polyurethane lining board, outside guide chute
Side sets insulating layer.
4. the upright cooling furnace bottom of a kind of sinter multicell according to claim 1 goes out formula feeding system, it is characterised in that institute
The cross section for stating guide chute is circle, and its cross-sectional area is equal from top to bottom；It is close between guide chute and upright cooling furnace
Envelope connection.
5. the upright cooling furnace bottom of a kind of sinter multicell according to claim 1 goes out formula feeding system, it is characterised in that institute
The main body for stating mineral aggregate buffering chamber is circular warehouse.
6. the upright cooling furnace bottom of a kind of sinter multicell according to claim 1 goes out formula feeding system, it is characterised in that institute
State and transporter seal closure is set on the outside of mineral aggregate transporter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405019.4A CN107941013A (en) | 2017-12-22 | 2017-12-22 | A kind of upright cooling furnace bottom of sinter multicell goes out formula feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405019.4A CN107941013A (en) | 2017-12-22 | 2017-12-22 | A kind of upright cooling furnace bottom of sinter multicell goes out formula feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107941013A true CN107941013A (en) | 2018-04-20 |
Family
ID=61941718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711405019.4A Pending CN107941013A (en) | 2017-12-22 | 2017-12-22 | A kind of upright cooling furnace bottom of sinter multicell goes out formula feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107941013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230429A (en) * | 2018-11-19 | 2019-01-18 | 河钢股份有限公司承德分公司 | Sintering machine mineral aggregate conveying device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234349A (en) * | 2013-04-15 | 2013-08-07 | 中信重工机械股份有限公司 | Furnace type cooling and heat exchange device for sintered ores |
| CN104034174A (en) * | 2014-05-07 | 2014-09-10 | 中信重工机械股份有限公司 | Automatic control system for furnace cooling sinter waste heat power generation |
| CN104745207A (en) * | 2015-04-02 | 2015-07-01 | 山东理工大学 | Rotary kiln dry distillation powder semi coke dry quenching and afterheat utilizing device |
| CN207741572U (en) * | 2017-12-22 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | A kind of upright cooling furnace bottom of sinter multicell goes out formula feeding system |
-
2017
- 2017-12-22 CN CN201711405019.4A patent/CN107941013A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234349A (en) * | 2013-04-15 | 2013-08-07 | 中信重工机械股份有限公司 | Furnace type cooling and heat exchange device for sintered ores |
| CN104034174A (en) * | 2014-05-07 | 2014-09-10 | 中信重工机械股份有限公司 | Automatic control system for furnace cooling sinter waste heat power generation |
| CN104745207A (en) * | 2015-04-02 | 2015-07-01 | 山东理工大学 | Rotary kiln dry distillation powder semi coke dry quenching and afterheat utilizing device |
| CN207741572U (en) * | 2017-12-22 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | A kind of upright cooling furnace bottom of sinter multicell goes out formula feeding system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230429A (en) * | 2018-11-19 | 2019-01-18 | 河钢股份有限公司承德分公司 | Sintering machine mineral aggregate conveying device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |