CN2859431Y - Intermittent combustion type casting waste sand roasting furnace - Google Patents
Intermittent combustion type casting waste sand roasting furnace Download PDFInfo
- Publication number
- CN2859431Y CN2859431Y CN 200520010573 CN200520010573U CN2859431Y CN 2859431 Y CN2859431 Y CN 2859431Y CN 200520010573 CN200520010573 CN 200520010573 CN 200520010573 U CN200520010573 U CN 200520010573U CN 2859431 Y CN2859431 Y CN 2859431Y
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- CN
- China
- Prior art keywords
- sand
- heater
- furnace body
- area
- combustion
- 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.)
- Ceased
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- 239000004576 sand Substances 0.000 title claims abstract description 109
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 36
- 239000002699 waste material Substances 0.000 title claims abstract description 13
- 238000005266 casting Methods 0.000 title abstract description 3
- 101100041681 Takifugu rubripes sand gene Proteins 0.000 claims description 96
- 238000011049 filling Methods 0.000 claims description 11
- 238000001354 calcination Methods 0.000 abstract description 8
- 230000008929 regeneration Effects 0.000 abstract description 7
- 238000011069 regeneration method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 239000003610 charcoal Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 230000002269 spontaneous effect Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides an intermittent combustion formula casting waste sand roaster furnace, including furnace body and combustor, its characterized in that: the furnace body is internally provided with a combustion area, a roasting area and an air preheating area in sequence from top to bottom, the top of the furnace body is respectively provided with an exhaust channel and a sand inlet channel, a burner is arranged on the furnace body corresponding to the combustion area, a sand separator is arranged in the combustion area corresponding to a sand inlet of the sand inlet channel, the bottom of the furnace body is provided with a gas gathering chamber communicated with the air inlet channel, the air preheating area is internally provided with a preheating pipe communicated with the gas gathering chamber, a sand outlet pipe penetrating the gas gathering chamber is arranged below the furnace body, and a sand outlet of the sand outlet pipe is provided with a sand collecting hopper corresponding to the sand outlet. The utility model has the advantages of simple structure, calcination temperature are low, use its temperature that can reduce calcination waste sand, the energy saving greatly consumes to it is very good to make its reclaimed sand regeneration effect.
Description
(1), affiliated technical field
The utility model relates to a kind of recycling cast waste sand device, particularly a kind of antiquated sand roaster.
(2), technical background
In the last few years, cast waste sand had caused serious pollution to environment, and simultaneously, the minimizing day by day of high-quality resource and the first mate of freight improve, and make its recycling cast waste sand become the focus of lot of domestic and foreign foundry enterprise and founder author's concern.After for example foundry resin uses, residual in the sand have a large amount of organic matters, direct circular regeneration, in order to remove the organic matter in the old resin sand, make the regenerating used reuse, adopted many processing methods both at home and abroad, the renovation process that adopts mainly contains dry method (comprising air-flow and Mechanical Method) and hot method at present.To regeneration difficult clay-bonded sand, resin sand, and require the higher cast waste sand of regeneration effect, hot method or hot method-dry method combining and regenerating are generally all adopted in its regeneration, and wherein in antiquated sand regeneration treatment facility, its key equipment is exactly a roaster.
The utility model patent that a kind of name is called " vertical boiling type sand calcining furnace " is disclosed in CN2699220Y.This patent relates to a kind of vertical boiling type sand calcining furnace that is used for water-glass sand, casting resin sand thermal reclamation processing.Include body of heater, burner, air blast and doffer, upper of furnace body is that blanking chamber, middle part are burner hearth, lower combustion chamber, laterally separate in the burner hearth and be provided with siege, install burner on the lower wall of combustion chamber, upper side wall is provided with gas approach, and this gas approach connects the air blast smoke outlet tube, on the sidewall of blanking chamber exhanst gas outlet is set, this exhanst gas outlet connects the air blast flue gas inlet tube, and the bottom, combustion chamber is provided with drawing mechanism, and doffer is arranged at top, blanking chamber.Be somebody's turn to do " vertical boiling type sand bakes husky stove " though have characteristics such as thermal efficiency height, reliable, easy to maintenance, the useless flue-gas temperature of use is low, roasting is even, have following deficiency:
1, in the process of roasting antiquated sand, the temperature of its roasting is very high, and the temperature of combustion chamber has reached 1400～1600 ℃, and the temperature of blanking chamber has also reached 650～750 ℃, and it is very high making its energy consumption like this.
2, in roasting process, its antiquated sand roasting and inhomogeneous, the burning of the organic matter on the antiquated sand or skin covering of the surface and insufficient, make can not the meet the demands needs of high reclaimed sand of its quality.
(3), summary of the invention
The purpose of this utility model just provide a kind of simple in structure, use reliable, sintering temperature is low, the intermittent combustion formula cast waste sand roaster of less energy consumption, it can make full use of the heat that spontaneous combustion produces, carry out the batch (-type) burning, can and reach the purpose of removing the plain film of charcoal to realize economizing.
The purpose of this utility model is to realize by such technical scheme, it includes body of heater and combustor, it is characterized in that: it also includes and adds sandpipe and sand collecting hopper etc., in body of heater, be disposed with the combustion zone from top to bottom, roast area and air preheating area, be respectively arranged with exhaust passage and sand filling passageway at the body of heater top, on body of heater, be provided with combustor with the corresponding position, combustion zone, sand inlet corresponding section with sand filling passageway in the combustion zone is provided with sand separator, be provided with the remittance air chamber that is connected with inlet channel in the bottom of body of heater, in air preheating area, be provided with and converge the economizer bank that air chamber is connected, be arranged with the sandpipe that goes out that passes the remittance air chamber at body of heater, be provided with corresponding with it sand collecting hopper at the sand export place that goes out sandpipe.
The utility model is work like this: antiquated sand enters from the sand filling passageway that is arranged on the body of heater top, through the sand separator in the combustion zone, sand separator is divided into the sand curtain uniformly to antiquated sand, at this moment, burner carries out heat temperature raising to antiquated sand, form high-temperature roasting sand, the roasting sand that falls enters roast area and carries out roasting, simultaneously, the cold high pressure air enters roast area through inlet channel, remittance air chamber, economizer bank, the cold high pressure air carries out heat exchange at the high-temperature roasting sand that converges air chamber and economizer bank place and be deposited in outside the economizer bank, makes it become preheated air; The effect of preheated air in roast area: the one, stir layer of sand, make layer of sand be in fluidized state, unburned antiquated sand is mixed uniformly with high-temperature roasting sand; The 2nd, plain thing burning provides sufficient oxygen to the charcoal on the antiquated sand; When stove body temperature reaches the calcination process design temperature, combustor is just out of service, the plain thing of charcoal on the antiquated sand in roast area provides heat energy by spontaneous combustion, design temperature when making it keep calcination process, the spontaneous combustion of the plain thing of charcoal on antiquated sand can not provide enough heat to keep the roasting design temperature, combustor just restarts, roasting sand is carried out heat temperature raising, the process of batch (-type) burning so repeatedly, made full use of the heat energy that burns on the plain thing of antiquated sand charcoal, to reach the purpose that reduces energy consumption.Because the layer of sand in roast area, so just can make the plain thing completing combustion of the charcoal that burns incompletely in the burning slowly by going out sandpipe, the waste gas that produces in combustion process is discharged through the exhaust outlet at body of heater top, and the antiquated sand that roasting is good just flows in the sand collecting hopper through going out sandpipe.
Owing to adopted technique scheme, the utlity model has advantages such as simple in structure, that sintering temperature is low, use it can reduce the temperature of roasting antiquated sand, save energy consumption greatly, and make its reclaimed sand regeneration effect very good.
(4), description of drawings
Description of drawings of the present utility model is as follows:
Fig. 1 is a structural representation of the present utility model;
Among the figure: 1. body of heater; 2. combustor; 3. sand filling passageway; 4. sand collecting hopper; 5. combustion zone; 6. roast area; 7. air preheating area; 8. exhaust passage; 9. sand separator; 10. inlet channel; 11. remittance air chamber; 12. economizer bank; 13. go out sandpipe; 14. temperature inductor; 15. door;
(5), the specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1: a kind of intermittent combustion formula cast waste sand roaster, include body of heater 1 and combustor 2, it is characterized in that: it also includes sand filling passageway 3 and sand collecting hopper 4 etc., in body of heater 1, be disposed with combustion zone 5 from top to bottom, roast area 6 and air preheating area 7, be respectively arranged with exhaust passage 8 and sand filling passageway 3 at body of heater 1 top, on body of heater 1, be provided with combustor 2 with 5 corresponding positions, combustion zone, sand inlet corresponding section with sand filling passageway 3 in combustion zone 5 is provided with sand separator 9, be provided with the remittance air chamber 11 that is connected with inlet channel 10 in the bottom of body of heater 1, in air preheating area 7, be provided with and converge the economizer bank 12 that air chamber 11 is connected, body of heater 1 be arranged with pass converge air chamber 11 go out sandpipe 13, be provided with corresponding with it sand collecting hopper 4 at the sand export place that goes out sandpipe 13.
The utility model is work like this: antiquated sand enters from the sand filling passageway 3 that is arranged on body of heater 1 top, through the sand separator 9 in the combustion zone 5, sand separator 9 is divided into the sand curtain uniformly to antiquated sand, at this moment, 2 pairs of antiquated sands of combustor carry out heat temperature raising, form high-temperature roasting sand, the roasting sand that falls enters roast area 6 and carries out roasting, simultaneously, the cold high pressure air enters roast area 6 through inlet channel 10, remittance air chamber 11, economizer bank 12, the cold high pressure air carries out heat exchange at the high-temperature roasting sand that converges air chamber 11 and economizer bank 12 places and be deposited in outside the economizer bank 12, makes it become preheated air; The effect of preheated air in roast area 6: the one, stir layer of sand, make layer of sand be in fluidized state, unburned antiquated sand is mixed uniformly with high-temperature roasting sand; The 2nd, plain thing burning provides sufficient oxygen to the charcoal on the antiquated sand; When the temperature of body of heater 1 reaches the calcination process design temperature, combustor 2 is just out of service, the plain thing of charcoal on the antiquated sand in roast area 6 provides heat energy by spontaneous combustion, design temperature when making it keep calcination process, the spontaneous combustion of the plain thing of charcoal on antiquated sand can not provide enough heat to keep the roasting design temperature, combustor 2 just restarts, roasting sand is carried out heat temperature raising, the process of batch (-type) burning so repeatedly, made full use of the heat energy that burns on the plain thing of antiquated sand charcoal, to reach the purpose that reduces energy consumption.Since at the layer of sand of 6 li of roast areas slowly by going out sandpipe 13, so just can make the plain thing completing combustion of the charcoal that burns incompletely in the burning, the waste gas that produces in combustion process is discharged through the exhaust passage 8 at body of heater 1 top, and the antiquated sand that roasting is good just flows in the sand collecting hopper 4 through going out sandpipe 13.
As shown in Figure 1: body of heater 1 is provided with temperature inductor 14.It can carry out the detection of temperature to body of heater 1 at any time.
As shown in Figure 1: body of heater 1 is provided with door 15.When roaster breaks down, can open door 15 and check and overhaul.
Claims (3)
1. intermittent combustion formula cast waste sand roaster, include body of heater (1) and combustor (2), it is characterized in that: it also includes sand filling passageway (3) and sand collecting hopper (4), in body of heater (1), be disposed with combustion zone (5) from top to bottom, roast area (6) and air preheating area (7), be respectively arranged with exhaust passage (8) and sand filling passageway (3) at body of heater (1) top, go up and corresponding position, combustion zone (5) is provided with combustor (2) at body of heater (1), sand inlet corresponding section with sand filling passageway (3) in combustion zone (5) is provided with sand separator (9), be provided with the remittance air chamber (11) that is connected with inlet channel (10) in the bottom of body of heater (1), in air preheating area (7), be provided with and converge the economizer bank (12) that air chamber (11) is connected, be provided with in body of heater (1) bottom pass converge air chamber (11) go out sandpipe (13), be provided with sand collecting hopper (4) accordingly at the sand export place that goes out sandpipe (13).
2. intermittent combustion formula cast waste sand roaster as claimed in claim 1, it is characterized in that: body of heater (1) is provided with temperature inductor (14).
3. intermittent combustion formula cast waste sand roaster as claimed in claim 1 is characterized in that: body of heater (1) is provided with door (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010573 CN2859431Y (en) | 2005-12-21 | 2005-12-21 | Intermittent combustion type casting waste sand roasting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010573 CN2859431Y (en) | 2005-12-21 | 2005-12-21 | Intermittent combustion type casting waste sand roasting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2859431Y true CN2859431Y (en) | 2007-01-17 |
Family
ID=37612290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520010573 Ceased CN2859431Y (en) | 2005-12-21 | 2005-12-21 | Intermittent combustion type casting waste sand roasting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2859431Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125982A (en) * | 2010-12-20 | 2011-07-20 | 重庆长江造型材料（集团）有限公司 | Full-counterflow heat exchange two-section type casting waste sand roasting furnace |
| CN102788501A (en) * | 2012-08-31 | 2012-11-21 | 无锡锡南铸造机械有限公司 | Energy-saving environment-friendly type high-temperature fluidized bed calcinator |
| CN102914154A (en) * | 2012-09-25 | 2013-02-06 | 机械工业第四设计研究院 | Boiling fluidizing roasting furnace |
| CN103743236A (en) * | 2014-01-27 | 2014-04-23 | 无锡锡南铸造机械有限公司 | Two-section high-temperature fluidized bed roasting furnace for waste casting sand |
| CN109434014A (en) * | 2018-11-15 | 2019-03-08 | 重庆长江造型材料（集团）股份有限公司 | A kind of antiquated sand roasting system |
| CN112815709A (en) * | 2020-12-31 | 2021-05-18 | 重庆长江造型材料（集团）股份有限公司 | Fluidized roasting method |
| CN112833669A (en) * | 2020-12-31 | 2021-05-25 | 重庆长江造型材料（集团）股份有限公司 | High-efficiency energy-saving thermal cracking furnace |
| CN112833670A (en) * | 2020-12-31 | 2021-05-25 | 重庆长江造型材料（集团）股份有限公司 | In-furnace thermal regulation system of horizontal high-temperature kiln |
| CN114130948A (en) * | 2021-12-02 | 2022-03-04 | 南通美莱达科技有限公司 | Method for recycling waste ceramsite sand |
-
2005
- 2005-12-21 CN CN 200520010573 patent/CN2859431Y/en not_active Ceased
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125982A (en) * | 2010-12-20 | 2011-07-20 | 重庆长江造型材料（集团）有限公司 | Full-counterflow heat exchange two-section type casting waste sand roasting furnace |
| CN102788501A (en) * | 2012-08-31 | 2012-11-21 | 无锡锡南铸造机械有限公司 | Energy-saving environment-friendly type high-temperature fluidized bed calcinator |
| CN102914154A (en) * | 2012-09-25 | 2013-02-06 | 机械工业第四设计研究院 | Boiling fluidizing roasting furnace |
| CN102914154B (en) * | 2012-09-25 | 2015-03-04 | 机械工业第四设计研究院 | Boiling fluidizing roasting furnace |
| CN103743236A (en) * | 2014-01-27 | 2014-04-23 | 无锡锡南铸造机械有限公司 | Two-section high-temperature fluidized bed roasting furnace for waste casting sand |
| CN103743236B (en) * | 2014-01-27 | 2015-10-28 | 无锡锡南铸造机械股份有限公司 | The high temperature fluidized bed roaster of waste molding sand two-part |
| CN109434014A (en) * | 2018-11-15 | 2019-03-08 | 重庆长江造型材料（集团）股份有限公司 | A kind of antiquated sand roasting system |
| CN109434014B (en) * | 2018-11-15 | 2023-11-07 | 重庆长江造型材料（集团）股份有限公司 | Waste sand roasting system |
| CN112815709A (en) * | 2020-12-31 | 2021-05-18 | 重庆长江造型材料（集团）股份有限公司 | Fluidized roasting method |
| CN112833669A (en) * | 2020-12-31 | 2021-05-25 | 重庆长江造型材料（集团）股份有限公司 | High-efficiency energy-saving thermal cracking furnace |
| CN112833670A (en) * | 2020-12-31 | 2021-05-25 | 重庆长江造型材料（集团）股份有限公司 | In-furnace thermal regulation system of horizontal high-temperature kiln |
| CN112833670B (en) * | 2020-12-31 | 2023-02-28 | 重庆长江造型材料（集团）股份有限公司 | In-furnace thermal regulation system of horizontal high-temperature kiln |
| CN114130948A (en) * | 2021-12-02 | 2022-03-04 | 南通美莱达科技有限公司 | Method for recycling waste ceramsite sand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHIYAN CHANGJIANG RIVER MOULDING MATERIAL CO., LTD. Assignor: Xiong Ying Contract record no.: 2010420000133 Denomination of utility model: Intermittent combustion casting waste sand roasting furnace Granted publication date: 20070117 License type: Exclusive License Record date: 20100826 |
|
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING CHANGJIANG RIVER MOLDING MATERIAL (GROUP Free format text: FORMER OWNER: XIONG YING Effective date: 20110118 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400700 CHONGQING CHANGJIANG RIVER MOLDING MATERIAL (GROUP) CO., LTD., SHUANGBAISHU, BEIBEI DISTRICT, CHONGQING TO: 400707 NO.6, FENGXI ROAD, CAIJIAGANG TOWN, BEIBEI DISTRICT, CHONGQING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110118 Address after: Cai Jia Gang Zhen Feng Xi Lu, Chongqing City, Beibei District No. 6 400707 Patentee after: Chongqing Changjiang moulding material (Group) Co., Ltd. Address before: 400700 Chongqing Bei Pei District double cypress Chongqing Changjiang Mould Material Co., Ltd. Patentee before: Xiong Ying |
|
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20110222 Decision number of declaring invalidation: 16073 Granted publication date: 20070117 |