CN107504822A - A kind of sintering deposit highly efficient cooling device - Google Patents
A kind of sintering deposit highly efficient cooling device Download PDFInfo
- Publication number
- CN107504822A CN107504822A CN201710909853.0A CN201710909853A CN107504822A CN 107504822 A CN107504822 A CN 107504822A CN 201710909853 A CN201710909853 A CN 201710909853A CN 107504822 A CN107504822 A CN 107504822A
- Authority
- CN
- China
- Prior art keywords
- mineral aggregate
- cooling furnace
- vertical cooling
- vertical
- sintering deposit
- 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 109
- 238000005245 sintering Methods 0.000 title claims abstract description 46
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 42
- 239000011707 mineral Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000003139 buffering effect Effects 0.000 claims abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims abstract description 9
- 239000000779 smoke Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 11
- 239000011449 brick Substances 0.000 claims description 9
- 239000002344 surface layer Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 239000000571 coke Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram 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
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004064 recycling Methods 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
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
-
- 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
Abstract
The present invention relates to a kind of sintering deposit highly efficient cooling device, including vertical cooling furnace, the vertical cooling furnace is multiple, is circumferentially uniformly distributed；Mineral aggregate caching distributor is set above its distribution center, mineral aggregate caching distributor is provided with mineral aggregate buffering chamber, and its feed opening is connected correspondingly with the charging aperture of vertical cooling furnace, and turning plate valve is set respectively in each guide chute；Annular gas collector road and annular steam line are set on the outside of vertical cooling furnace, wherein annular gas collector road is connected with the ring-shaped flue of each vertical cooling furnace, annular steam line is connected with the feeder of each vertical cooling furnace, annular gas collector road connects outside smoke processing system in addition, and annular steam line connects outside supply air system in addition；Annular gas collector road connects mineral aggregate buffering chamber by flue gas balance pipe, sets pressure-regulating valve door on flue gas balance pipe, mineral aggregate buffering chamber sets pressure gauge.The present invention is advantageous to improve stove interior sealing effect during cooling, improves cooling effectiveness, and can realize on-line maintenance.
Description
Technical field
The present invention relates to sintering deposit cooling technology field, more particularly to a kind of high efficiency, miniaturization, flexible operating, can subtract
The sintering deposit highly efficient cooling device of few mine dust pollution.
Background technology
Sintering circuit energy consumption is huge, and second is occupied in steel and iron industry.And sintering mine sensible heat accounts for more than the 40% of overall heat consumption,
How this portion of energy is utilized to turn into industry focus of attention.Currently, the cooling of China's sintering deposit and waste heat recovery mainly use
Central cooler 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 root although taking local water seal measure
Solve problem on this, cause thermal efficiency decay serious, and the leakage of flue dust inorganization is very big to environmental hazard.
Patent No. CN 103234349 Chinese patent discloses " a kind of sintering deposit stove formula cooling heat exchange device ", patent
Number " a kind of sintering deposit furnace type cooling device " is disclosed for CN 103234359 Chinese patent, had using vertical type cooling device
Effect solves above mentioned problem.However, this device based on dry coke quenching cooling technique is but not suitable for the cooling of sintering deposit.Reason exists
In CDQ is intermittent operation, and coke is discharged from a hole carbonization chamber interval of coke oven, loads vertical cooling furnace, close stove
Cooled down after lid.And the production of sintering deposit, discharge are continous way operation, corresponding heat sinter cooling also will continuously enter
OK.Above-mentioned vertical type cooling device uses the cooling furnace of single setting, and sintering deposit is from upper loading, from lower discharge, in sintering mineral resources
Fire door can not close when source constantly loads, and can not realize sealing as described herein.Further, since vertical type cooling device
Inside is fire resisting brickwork construction, and sintering deposit hardness is much larger than coke, it is easier to destroys body of heater, needs maintenance 2-3 times every year, herein
Period needs to stop sintering deposit production, and this can not allow in modern enterprise.
Patent No. CN 205940170U Chinese patent discloses " a kind of double vertical sintering deposit cooling furnaces of cooling chamber ",
Patent No. 106119537A Chinese patent discloses " a kind of to be used for sintering deposit, the locellus cooling device of pellet ", above-mentioned
Technical scheme uses is divided into 2 to multiple structure type by the cooling unit in same vertical heater, realizes that material locellus cools down
In, the efficiency of raising sintering deposit heat recovery.However, because each cooling chamber is each provided in same body of heater, the section that prestores shares,
Therefore the problem of independent control can not being fully achieved, and still having shut-down (breakdown) mainteance；Its section that prestores shares, and will not prestore section
Separate.Therefore above-mentioned 2 technical schemes solve only heat exchange homogeneity question, does not solve vertical cooling furnace fundamentally and connects
The problem of continuous pan feeding and maintenance.
The content of the invention
The invention provides a kind of sintering deposit highly efficient cooling device, and using multiple vertical cooling furnaces, alternately charging realizes that heat is burnt
The continuous coo1ing of ore deposit is tied, each vertical cooling furnace shares an air supply system and gas gathering system, and can individually control, and is advantageous to improve
Stove interior sealing effect during cooling, cooling effectiveness is improved, and on-line maintenance can be realized.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of sintering deposit highly efficient cooling device, including vertical cooling furnace, charging aperture are set at the top of vertical cooling furnace, bottom is set
Discharging opening, vertical cooling furnace internal upper part set ring-shaped flue, and bottom sets feeder；The vertical cooling furnace is multiple, circumferentially
It is uniformly distributed；Mineral aggregate caching distributor is set above its distribution center, mineral aggregate caching distributor is provided with mineral aggregate buffering chamber, its
Feed opening is connected correspondingly by guide chute with the charging aperture of vertical cooling furnace, and flap valve is set respectively in each guide chute
Door；Annular gas collector road and annular steam line are set on the outside of vertical cooling furnace circumferential spread, wherein annular gas collector road is stood with each
The ring-shaped flue connection of formula cooling furnace, annular steam line are connected with the feeder of each vertical cooling furnace, annular gas collector road
The outside smoke processing system of connection, annular steam line connect outside supply air system in addition in addition；Annular gas collector road passes through cigarette
Gas balance pipe connects mineral aggregate buffering chamber, sets pressure-regulating valve door on flue gas balance pipe, mineral aggregate buffering chamber sets pressure gauge.
The charging aperture of the mineral aggregate caching distributor connects sintering machine exit chute, mineral aggregate transport by mineral aggregate transporter
Transporter seal closure is set outside machine.
Pan feeding distributor is set below charging aperture in the vertical cooling furnace.
The feeder is located at vertical cooling furnace center, is multilayer umbrella gas-supplying structure.
The body of heater of the vertical cooling furnace is cylinder-like structure, and inboard wall of furnace body is built by laying bricks or stones by wear-resisting brick body or metal is made.
Air-introduced machine and smoke heat replacing device are set on the pipeline of the outside smoke processing system of annular gas collector road connection.
The feeder, pan feeding distributor and mineral aggregate caching distributor are composite construction, and bottom uses stainless steel
Material makes, and surface layer uses high-temperature wearable brick masonry, connected between bottom and surface layer by fire clay.
The discharging opening of the vertical cooling furnace sets rotatory sealing ore discharge device, and belt-conveying is set below rotatory sealing ore discharge device
Machine.
Compared with prior art, the beneficial effects of the invention are as follows：
1) reasonable in design, sintering deposit exchanges heat, and abundant, heat exchange efficiency is high；Sintering deposit is transported to vertical from sintering machine outlet
The process of cooling furnace is sealing state, can close charging aperture after vertical cooling furnace charging, sintering deposit is sealing with cooling air
Exchanged heat under environment, there is no air leakage phenomena in operating process, therefore the sensible heat of the sintering deposit air that can fully be cooled is taken away, it is and normal
Rule vertical heater cooling technique, which is compared, substantially increases heat exchange efficiency；
2) multiple vertical cooling furnace independent operations, sealing is more preferable, maintenance is more convenient；Because sintering machine work characteristics is continuous
Pan feeding when charging, continuous discharge, therefore sintering deposit cool down is also continuous；The present invention is alternately filled by multiple vertical cooling furnaces
The method of material, solve the problems, such as contradiction between pan feeding continuity and furnace sealing, can be real to greatest extent in cooling procedure
Now seal；
3) external mineral aggregate caching distribution apparatus, solves mineral aggregate caching during the continuous charging into multiple vertical cooling furnaces
Problem；
4) operating pressure in mineral aggregate buffering chamber and vertical cooling furnace is adjusted to tiny structure, solves asking for flue dust leakage
Topic.
Brief description of the drawings
Fig. 1 is a kind of structural representation of sintering deposit highly efficient cooling device of the present invention.
Fig. 2 is the distribution schematic diagram of vertical cooling furnace of the present invention (exemplified by 3).
In figure：1. the guide of 4. turning plate valve of the mineral aggregate of 2. transporter seal closure of mineral aggregate transporter 3. caching distributor 5.
8. feeder of the vertical 7. pan feeding distributor of cooling furnace of chute 6., 9. ring-shaped flue, the 10. annular ring of steam line 11.
The pressure of 12. 15. pressure gauge of rotatory sealing ore discharge device 13. belt conveyer, 14. flue gas balance pipe of shape collecting pipe 16.
Control valve
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of sintering deposit highly efficient cooling device of the present invention, including vertical cooling furnace 6, vertical cooling furnace
6 top sets charging aperture, and bottom sets out material mouth, and the vertical internal upper part of cooling furnace 6 sets ring-shaped flue 9, and bottom sets feeder 8；Institute
It is multiple to state vertical cooling furnace 6, is circumferentially uniformly distributed (as shown in Figure 2)；Mineral aggregate caching distribution is set above its distribution center
Device 3, mineral aggregate caching distributor 3 are provided with mineral aggregate buffering chamber, and its feed opening is entered by guide chute 5 and vertical cooling furnace 6
Material mouth is connected correspondingly, and turning plate valve 4 is set respectively in each guide chute 5；Annular is set on the outside of the vertical circumferential spread of cooling furnace 6
Collecting pipe 11 and annular steam line 10, wherein annular gas collector road 11 are connected with the ring-shaped flue 9 of each vertical cooling furnace 6,
Annular steam line 10 is connected with the feeder 8 of each vertical cooling furnace 6, and annular gas collector road 11 is in addition at the outside flue gas of connection
Reason system, annular steam line 10 connect outside supply air system in addition；Annular gas collector road 11 is connected by flue gas balance pipe 14
Mineral aggregate buffering chamber is connect, pressure-regulating valve door 16 is set on flue gas balance pipe 14, mineral aggregate buffering chamber sets pressure gauge 15.
The charging aperture of the mineral aggregate caching distributor 3 connects sintering machine exit chute, mineral aggregate fortune by mineral aggregate transporter 1
Transporter seal closure 2 is set outside defeated machine 1.
Pan feeding distributor 7 is set below charging aperture in the vertical cooling furnace 6.
The feeder 8 is located at the vertical center of cooling furnace 6, is multilayer umbrella gas-supplying structure.
The body of heater of the vertical cooling furnace 6 is cylinder-like structure, and inboard wall of furnace body is built by laying bricks or stones by wear-resisting brick body or metal is made.
The annular gas collector road 11, which connects, sets air-introduced machine and smoke heat replacing device on the pipeline of outside smoke processing system.
The feeder 8, pan feeding distributor 7 and mineral aggregate caching distributor 3 are composite construction, and bottom is using stainless
Steel material makes, and surface layer uses high-temperature wearable brick masonry, connected between bottom and surface layer by fire clay.
The discharging opening of the vertical cooling furnace 6 sets rotatory sealing ore discharge device 12, and the lower section of rotatory sealing ore discharge device 12 sets belt
Transporter 13.
A kind of technical process of sintering deposit highly efficient cooling device of the present invention is as follows：
The heat sinter that sintering machine comes out is transported to the mineral aggregate buffering chamber of mineral aggregate caching distributor 3 by mineral aggregate conveyer 1
In, and whole enclosed conveying prevents flue dust from leaking；According to the material position of sintering deposit in each vertical cooling furnace 6 and cooling situation, pass through
The corresponding turning plate valve 4 of control individually feeds into each vertical cooling furnace 6 respectively, and each vertical cooling furnace 6 alternately feeds；Material position reaches
Stop charging, and turning plate valve 4 corresponding to closing after technological requirement；Heat sinter is after pan feeding distributor 7 in vertical cooling
It is uniformly distributed in stove 6；
Circulation cold air is sent into each vertical cooling furnace 6 by annular steam line 10, and 3 D stereo is carried out through feeder 8
Air-supply, cold air in vertical cooling furnace 6 upward and surrounding flowing, with descending heat sinter adverse current and cross-flow process
In, abundant, uniform vertical cooling is carried out to it；
Gas after heat exchange is sent to heat transmission equipment after ring-shaped flue 9 collects, by annular gas collector road 11 and exchanged heat, real
The recycling of existing heat；After heat sinter reaches the technological temperature requirement after cooling, start the corresponding vertical lower section of cooling furnace 6
Rotatory sealing ore discharge device 12 discharges the sintering deposit after cooling, is transported by belt conveyer 13.
When a kind of sintering deposit highly efficient cooling device of the present invention needs maintenance, each vertical cooling furnace 6 is carried out successively, one
When vertical cooling furnace 6 is overhauled, other vertical normal works of cooling furnace 6.
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 all be included within the scope of the present invention.
Claims (8)
1. a kind of sintering deposit highly efficient cooling device, including vertical cooling furnace, charging aperture is set at the top of vertical cooling furnace, bottom is set out
Material mouth, vertical cooling furnace internal upper part set ring-shaped flue, and bottom sets feeder；Characterized in that, the vertical cooling furnace is more
It is individual, circumferentially it is uniformly distributed；Mineral aggregate caching distributor is set above its distribution center, mineral aggregate caching distributor is provided with mineral aggregate
Buffering chamber, its feed opening are connected correspondingly by guide chute with the charging aperture of vertical cooling furnace, are divided in each guide chute
Turning plate valve is not set；Annular gas collector road and annular steam line are set on the outside of vertical cooling furnace circumferential spread, wherein annular gas collection
Pipeline is connected with the ring-shaped flue of each vertical cooling furnace, and annular steam line is connected with the feeder of each vertical cooling furnace, ring
Shape collecting pipe connects outside smoke processing system in addition, and negative-pressure air fan is set on connecting pipe, and annular steam line connects in addition
Connect outside supply air system；Annular gas collector road connects the mineral aggregate buffering chamber of mineral aggregate caching distributor by flue gas balance pipe,
Pressure-regulating valve door is set on flue gas balance pipe, mineral aggregate buffering chamber sets pressure gauge.
A kind of 2. sintering deposit highly efficient cooling device according to claim 1, it is characterised in that the mineral aggregate caching distribution dress
The charging aperture put connects sintering machine exit chute by mineral aggregate transporter, and transporter seal closure is set outside mineral aggregate transporter.
3. a kind of sintering deposit highly efficient cooling device according to claim 1, it is characterised in that in the vertical cooling furnace
Pan feeding distributor is set below charging aperture.
4. a kind of sintering deposit highly efficient cooling device according to claim 1, it is characterised in that the feeder is located at vertical
Formula cooling furnace center, it is multilayer umbrella gas-supplying structure.
A kind of 5. sintering deposit highly efficient cooling device according to claim 1, it is characterised in that the stove of the vertical cooling furnace
Body is cylinder-like structure, and inboard wall of furnace body is built by laying bricks or stones by wear-resisting brick body or metal is made.
6. a kind of sintering deposit highly efficient cooling device according to claim 1, it is characterised in that the annular gas collector road connects
Connect and air-introduced machine and smoke heat replacing device are set on the pipeline of outside smoke processing system.
7. a kind of sintering deposit highly efficient cooling device according to claim 1, it is characterised in that the feeder, pan feeding
Distributor and mineral aggregate caching distributor are composite construction, and bottom is made using stainless steel material, and surface layer uses high-temperature wearable
Brick masonry, connected between bottom and surface layer by fire clay.
8. a kind of sintering deposit highly efficient cooling device according to claim 1, it is characterised in that the vertical cooling furnace goes out
Material mouth sets rotatory sealing ore discharge device, and belt conveyer is set below rotatory sealing ore discharge device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909853.0A CN107504822A (en) | 2017-09-29 | 2017-09-29 | A kind of sintering deposit highly efficient cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909853.0A CN107504822A (en) | 2017-09-29 | 2017-09-29 | A kind of sintering deposit highly efficient cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107504822A true CN107504822A (en) | 2017-12-22 |
Family
ID=60699890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710909853.0A Pending CN107504822A (en) | 2017-09-29 | 2017-09-29 | A kind of sintering deposit highly efficient cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504822A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234359A (en) * | 2013-04-15 | 2013-08-07 | 中信重工机械股份有限公司 | Sintering furnace type cooling device |
| 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 |
| CN205940170U (en) * | 2016-08-17 | 2017-02-08 | 于良富 | Vertical sintering deposit cooling furnace in two cooling chambeies |
| CN207422917U (en) * | 2017-09-29 | 2018-05-29 | 中冶焦耐(大连)工程技术有限公司 | A kind of sinter highly efficient cooling device |
-
2017
- 2017-09-29 CN CN201710909853.0A patent/CN107504822A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234359A (en) * | 2013-04-15 | 2013-08-07 | 中信重工机械股份有限公司 | Sintering furnace type cooling device |
| 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 |
| CN205940170U (en) * | 2016-08-17 | 2017-02-08 | 于良富 | Vertical sintering deposit cooling furnace in two cooling chambeies |
| CN207422917U (en) * | 2017-09-29 | 2018-05-29 | 中冶焦耐(大连)工程技术有限公司 | A kind of sinter highly efficient cooling device |
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| PB01 | Publication | ||
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Application publication date: 20171222 |