CN110044185A - A kind of grate-cooler waste heat recycling system - Google Patents
A kind of grate-cooler waste heat recycling system Download PDFInfo
- Publication number
- CN110044185A CN110044185A CN201910314686.4A CN201910314686A CN110044185A CN 110044185 A CN110044185 A CN 110044185A CN 201910314686 A CN201910314686 A CN 201910314686A CN 110044185 A CN110044185 A CN 110044185A
- Authority
- CN
- China
- Prior art keywords
- grate
- section
- cooler
- tower
- dust
- 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.)
- Granted
Links
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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Furnace Details (AREA)
Abstract
Present invention relates particularly to a kind of grate-cooler waste heat recycling systems, including grate-cooler, rotary kiln, preheating tower, dust primary separation tower, the advanced separator of dust, waste heat recovery control system, the grate-cooler is constituted by I section, II section and III section, is provided with air inlet on the grate-cooler shell of I section, II section and III section top of grate-cooler and is connected with ventilation shaft；The preheating tower is made of upper section preheating tower, lower section preheating tower, and is provided with several dust funnels；The ventilation shaft of I section of the grate-cooler is connected with the advanced separator of dust, device for generating power by waste heat is provided on the ventilation shaft of I section of the grate-cooler, the ventilation shaft of III section of the grate-cooler is connected in the dust funnel of upper section preheating tower, and the ventilation shaft of II section of the grate-cooler is connected in the dust funnel of lower section preheating tower.Grate-cooler waste heat recycling system of the present invention, at low cost, good in economic efficiency, high-efficiency environment friendly high to the recovery utilization rate of grate-cooler exhaust gas, securely and reliably.
Description
Technical field
The invention belongs to grate-cooler technical field of waste heat utilization, specially a kind of grate-cooler waste heat recycling system.
Background technique
With the development of construction process, cement also becomes the indispensable raw material of building trade.Grate-cooler is cement plant
Critical host equipment in sinter leaching system, major function be clinker is carried out it is cooling, convey, while being rotary kiln
And dore furnace etc. provides hot-air, is the capital equipment of firing system recuperation of heat.
Grate-cooler is a kind of rapid cooling type cooler, and after clinker enters grate-cooler by rotary kiln, certain thickness is paved into grate plate
The bed of material of degree, the cold air blasted, passing through the moving bed of material in grate with mutually orthogonal direction enables clinker to be quenched, can
Clinker is quenched to 100 DEG C hereinafter, and to the height formed after cold air and clinker heat exchange by 1300-1400 DEG C in several minutes
The heat recovery of hot gas is an important subject of current technical field of cement production.
Currently, in the prior art, it is general by the way of recycling power generation in order to utilize grate-cooler waste gas residual heat, but it is existing
There are the recycling in technology to grate-cooler waste gas residual heat, the disadvantage that generally existing heat recovery rate is low, benefit is not high；And
And the dust content contained in grate-cooler exhaust gas is higher, is more troublesome to the processing of the dust contained in grate-cooler exhaust gas, increases
Many costs；To be formed by hot gas temperature difference big for the cooling of three stages in grate-cooler simultaneously, if not using separated processing,
The recovery utilization rate of grate-cooler exhaust gas can be further decreased, economic benefit is significantly reduced, and if grate-cooler exhaust gas cannot fill
Divide and recycle, and be discharged into atmosphere, will cause the wasting of resources and environmental pollution.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of grate-cooler waste heat recycling system, with
Solve the problems mentioned above in the background art.
To achieve the goals above, the invention provides the following technical scheme:
A kind of grate-cooler waste heat recycling system, including grate-cooler, rotary kiln, preheating tower, dust primary separation tower, powder
The advanced separator of dirt and waste heat recovery control system, the grate-cooler, rotary kiln, preheating tower, dust primary separation tower, powder
The advanced separator of dirt is sequentially connected, and is controlled by waste heat recovery control system；The grate-cooler is by I section, II section and III section
It constitutes, be provided with air inlet on the grate-cooler shell of I section, II section and III section top of the grate-cooler and be connected with ventilation duct
Road；The preheating tower is made of upper section preheating tower, lower section preheating tower, is respectively provided with during the upper section preheating tower, lower section preheating tower are equal
There are several dust funnels, if the dry dust funnel in the preheating tower is connected；The ventilation shaft of I section of the grate-cooler with
The advanced separator of dust is connected, and device for generating power by waste heat, III section of the grate-cooler are provided on the ventilation shaft of I section of the grate-cooler
Ventilation shaft be connected in the dust funnel of upper section preheating tower, the ventilation shaft of II section of the grate-cooler be connected to lower section preheating
In the dust funnel of tower.
Preferably, between I section and II section, II section and III section of the grate-cooler and III section of end is provided with heat-insulated
Barricade.
Preferably, it is mounted in the air inlet on the grate-cooler shell of I section, II section and III section top of the grate-cooler
Blower.
Preferably, dust primary separation tower top is provided with wind-collecting cover, be connected on the wind-collecting cover feed conduit,
Knockout tower discharge pipe, the knockout tower discharge pipe other end are connected on the advanced separator of dust, the feed conduit other end
It is provided with raw material hopper, raw material just mill apparatus is provided on the feed conduit.
Preferably, dust primary separation tower lower end is provided with knockout tower material outlet, hot air inlet, the separation
Tower material outlet, hot air inlet pass through knockout tower discharge pipe respectively, knockout tower air supply line is connected to preheating tower top.
Preferably, raw material fine grinding device is provided in the knockout tower discharge pipe.
Preferably, material baffle is provided in the dust primary separation tower, the material baffle is horizontally disposed and surrounding is fixed
On dust primary separation tower inner wall, electric folding door and several each intensive air holes are provided on the material baffle.
The beneficial effects of the present invention are:
Grate-cooler waste heat recycling system of the present invention, between I section of grate-cooler and II section, II section and III section and
III section of end is respectively provided with heat-insulated barricade, completely cuts off the circulation of I section, II section and III section exhaust gas；To I section, II section and III section of grate-cooler
Exhaust gas using separately treating, and uses different treatment measures, improves grate-cooler exhaust gas utilization rate；By II section of grate-cooler and
III section of exhaust gas, respectively preheats the cement raw material in preheating tower, while the exhaust gas after the preheating of preheated tower, then through at the beginning of dust
The sedimentation of the cement raw material of bulky grain, reduces the dust granule content in exhaust gas in grade knockout tower, and it is high to mitigate final stage dust
The burden of grade separator reduces the content for the dust granule being discharged into atmosphere after the advanced separator processing of dust, realizes environmental protection
It is required that.Grate-cooler waste heat recycling system of the present invention, at low cost, economic benefit high to the recovery utilization rate of grate-cooler exhaust gas
It is good, high-efficiency environment friendly, securely and reliably.
Detailed description of the invention
Fig. 1: schematic structural view of the invention.
Specific embodiment
In conjunction with attached drawing 1, a specific embodiment of the invention is explained as follows:
As shown in Figure 1, a kind of grate-cooler waste heat recycling system, including grate-cooler 1, rotary kiln 2, preheating tower 3, dust
The advanced separator 5 of primary separation tower 4, dust and waste heat recovery control system, grate-cooler 1, rotary kiln 2, preheating tower 3, dust
The advanced separator 5 of primary separation tower 4, dust is sequentially connected, and is controlled by waste heat recovery control system.
Grate-cooler 1 is constituted by I section, II section and III section, on the grate-cooler shell of I section, II section and III section top of grate-cooler 1
It is provided with air inlet and is connected with ventilation shaft 12, on the grate-cooler shell of I section, II section and III section top of grate-cooler 1
Blower 121 is mounted in air inlet, between I section of grate-cooler 1 and II section, II section and III section and III section of end is respectively provided with
There is heat-insulated barricade 11.
Preheating tower 3 is made of upper section preheating tower, lower section preheating tower, is provided with during upper section preheating tower, lower section preheating tower are equal
Several dust funnels, if the dry dust funnel in preheating tower 3 is connected；The ventilation shaft 12 and dust that 1 I sections of grate-cooler are high
Grade separator 5 is connected, and device for generating power by waste heat 6, the ventilation duct that 1 III sections of grate-cooler are provided on the ventilation shaft 12 that 1 I sections of grate-cooler
Road 12 is connected in the dust funnel of upper section preheating tower, and the ventilation shaft 12 that 1 II sections of grate-cooler is connected to the powder of lower section preheating tower
In dirt funnel.
Material baffle is provided in dust primary separation tower 4, material baffle is horizontally disposed and surrounding is fixed on the separation of dust primary
On 4 inner wall of tower, electric folding door and several each intensive air holes are provided on material baffle；4 top of dust primary separation tower is set
It is equipped with wind-collecting cover, feed conduit, knockout tower discharge pipe are connected on wind-collecting cover, the knockout tower discharge pipe other end is connected to dust height
On grade separator 5, the feed conduit other end is provided with raw material hopper 7, and raw material just mill apparatus 9 is provided on feed conduit；Dust
4 lower end of primary separation tower is provided with knockout tower material outlet, hot air inlet, knockout tower material outlet, hot air inlet difference
3 top of preheating tower is connected to by knockout tower discharge pipe, knockout tower air supply line；Raw material is provided in knockout tower discharge pipe
Fine grinding device 8.
Invention is exemplarily described in above-mentioned combination attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as using this insubstantial improvement that the inventive concept and technical scheme of the present invention carry out, or not improved by hair
Bright conception and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (7)
1. a kind of grate-cooler waste heat recycling system, which is characterized in that including grate-cooler (1), rotary kiln (2), preheating tower
(3), dust primary separation tower (4), the advanced separator of dust (5) and waste heat recovery control system, the grate-cooler (1) are returned
Rotary kiln (2), preheating tower (3), dust primary separation tower (4), the advanced separator of dust (5) are sequentially connected, and are returned by waste heat
Receive control system control；The grate-cooler (1) is constituted by I section, II section and III section, and I section, II section and III of the grate-cooler (1)
Air inlet is provided on the grate-cooler shell of Duan Shangfang and is connected with ventilation shaft (12)；The preheating tower (3) is pre- by upper section
Thermal tower, lower section preheating tower composition, are provided with several dust funnels during the upper section preheating tower, lower section preheating tower are equal, described
Preheating tower (3) if in dry dust funnel connect；The ventilation shaft (12) and the high fraction of dust of (1) I section of the grate-cooler
It is connected from device (5), is provided with device for generating power by waste heat (6), the grate-cooler on the ventilation shaft (12) of (1) I section of the grate-cooler
(1) III section of ventilation shaft (12) is connected in the dust funnel of upper section preheating tower, the ventilation shaft of (1) II section of the grate-cooler
(12) it is connected in the dust funnel of lower section preheating tower.
2. a kind of grate-cooler waste heat recycling system according to claim 1, which is characterized in that the grate-cooler (1)
I section and II section, II section and III section between and III section of end be provided with heat-insulated barricade (11).
3. a kind of grate-cooler waste heat recycling system according to claim 1, which is characterized in that the grate-cooler (1)
I section, II section and III section top grate-cooler shell on air inlet in be mounted on blower (121).
4. a kind of grate-cooler waste heat recycling system according to claim 1, which is characterized in that the first fraction of the dust
Tower (4) top is provided with wind-collecting cover, feed conduit, knockout tower discharge pipe are connected on the wind-collecting cover, the knockout tower goes out
The air hose other end is connected on the advanced separator of dust (5), and the feed conduit other end is provided with raw material hopper (7), described
Raw material just mill apparatus (9) is provided on feed conduit.
5. a kind of grate-cooler waste heat recycling system according to claim 4, which is characterized in that the first fraction of the dust
Tower (4) lower end is provided with knockout tower material outlet, hot air inlet, the knockout tower material outlet, hot air inlet difference
Preheating tower (3) top is connected to by knockout tower discharge pipe, knockout tower air supply line.
6. a kind of grate-cooler waste heat recycling system according to claim 5, which is characterized in that the knockout tower discharging
Raw material fine grinding device (8) are provided in pipeline.
7. a kind of grate-cooler waste heat recycling system according to claim 1, which is characterized in that the first fraction of the dust
From material baffle is provided in tower (4), the material baffle is horizontally disposed and surrounding is fixed on dust primary separation tower (4) inner wall,
Electric folding door and several each intensive air holes are provided on the material baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314686.4A CN110044185B (en) | 2019-04-18 | 2019-04-18 | Waste heat recycling system of grate cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314686.4A CN110044185B (en) | 2019-04-18 | 2019-04-18 | Waste heat recycling system of grate cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110044185A true CN110044185A (en) | 2019-07-23 |
| CN110044185B CN110044185B (en) | 2020-08-14 |
Family
ID=67277826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910314686.4A Active CN110044185B (en) | 2019-04-18 | 2019-04-18 | Waste heat recycling system of grate cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110044185B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336823A (en) * | 2020-03-13 | 2020-06-26 | 徐州中材装备重型机械有限公司 | Grate cooler for recycling waste gas enthalpy and waste enthalpy recycling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792276A (en) * | 2010-02-25 | 2010-08-04 | 东南大学 | Method for producing partial full-oxygen type cement suitable for separation and collection of CO2 |
| CN202902892U (en) * | 2012-10-31 | 2013-04-24 | 陵川金隅水泥有限公司 | Kiln waste heat boiler blowing device of cement kiln waste heat electricity generating system |
| CN203642715U (en) * | 2013-11-13 | 2014-06-11 | 西安上尚机电有限公司 | Waste heat power generation system for grate cooler of cement rotary kiln |
| CN203642720U (en) * | 2013-12-15 | 2014-06-11 | 安阳中联水泥有限公司 | Waste heat recovery system of grate cooler |
| CN204329636U (en) * | 2014-11-28 | 2015-05-13 | 天瑞集团水泥有限公司 | A kind of grate-cooler waste heat utilization system |
| CN206847409U (en) * | 2017-06-30 | 2018-01-05 | 四川筠连西南水泥有限公司 | A kind of grate-cooler |
-
2019
- 2019-04-18 CN CN201910314686.4A patent/CN110044185B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792276A (en) * | 2010-02-25 | 2010-08-04 | 东南大学 | Method for producing partial full-oxygen type cement suitable for separation and collection of CO2 |
| CN202902892U (en) * | 2012-10-31 | 2013-04-24 | 陵川金隅水泥有限公司 | Kiln waste heat boiler blowing device of cement kiln waste heat electricity generating system |
| CN203642715U (en) * | 2013-11-13 | 2014-06-11 | 西安上尚机电有限公司 | Waste heat power generation system for grate cooler of cement rotary kiln |
| CN203642720U (en) * | 2013-12-15 | 2014-06-11 | 安阳中联水泥有限公司 | Waste heat recovery system of grate cooler |
| CN204329636U (en) * | 2014-11-28 | 2015-05-13 | 天瑞集团水泥有限公司 | A kind of grate-cooler waste heat utilization system |
| CN206847409U (en) * | 2017-06-30 | 2018-01-05 | 四川筠连西南水泥有限公司 | A kind of grate-cooler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336823A (en) * | 2020-03-13 | 2020-06-26 | 徐州中材装备重型机械有限公司 | Grate cooler for recycling waste gas enthalpy and waste enthalpy recycling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110044185B (en) | 2020-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102827969B (en) | Afterheat recovery system and method of dry granulating liquid slag | |
| CN104550201B (en) | A kind of cement kiln associated treatment house refuse system and method thereof | |
| CN102939163B (en) | Method for grinding material to be ground | |
| CN103717290A (en) | Integrated carbon dioxide capture for cement plants | |
| CN205014851U (en) | Sintering deposit shows heat reclamation device | |
| CN104988255A (en) | Method and equipment system for recycling liquid slag waste heat and super-micronizing tailings | |
| CN106556258A (en) | Sintering mine sensible heat retracting device and its using method | |
| CN106242229A (en) | Sludge dewatering treatment device | |
| CN110068224A (en) | The off-gas recovery of grate down-draft drying zone and preheating section utilizes and exhaust system | |
| CN109896760A (en) | A kind of device and technique using cement kiln end lime burning | |
| CN104087691A (en) | Process for recycling waste heat of slag flushing water vapor and dispersing fog and equipment adopted in same | |
| CN105861768A (en) | Blast furnace cinder dry-process treatment device | |
| CN114447464A (en) | High-temperature pyrolysis treatment system and method for waste lithium batteries | |
| CN110044185A (en) | A kind of grate-cooler waste heat recycling system | |
| CN106702143A (en) | Efficiently-energy-saving hot air supply method for belt type roasting machine | |
| CN207563059U (en) | A kind of coal dust preparation system | |
| CN202532903U (en) | Pyrite acid making slag discharge heat recovery equipment system | |
| CN210036270U (en) | Flue gas recycling and discharging system for air draft drying section and preheating section of chain grate machine | |
| CN104567443B (en) | Calcination rotary kiln tail gas heat quantity recycle and reuse method | |
| CN104964536A (en) | Drying technology suitable for saw dust combustion furnace | |
| CN108267009A (en) | Grate hot-air system | |
| CN107385202A (en) | A kind of quick lime feed opening dust arrester and its application method | |
| CN209877658U (en) | Waste heat efficient recovery and comprehensive utilization system of rotary vertical type cooler for sintered ore | |
| CN100368297C (en) | Device for preparing aluminum oxide self-efflorescence grog by fusion method and preparation method thereof | |
| CN109536656B (en) | Granulating system adopting roller pumping drying method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |