CN111777341A - Limestone suspension calcining equipment - Google Patents
Limestone suspension calcining equipment Download PDFInfo
- Publication number
- CN111777341A CN111777341A CN202010636598.9A CN202010636598A CN111777341A CN 111777341 A CN111777341 A CN 111777341A CN 202010636598 A CN202010636598 A CN 202010636598A CN 111777341 A CN111777341 A CN 111777341A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- venturi
- air
- limestone
- air jet
- 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
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 35
- 239000006028 limestone Substances 0.000 title claims abstract description 35
- 238000001354 calcination Methods 0.000 title claims abstract description 23
- 239000000725 suspension Substances 0.000 title claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 21
- 239000000843 powder Substances 0.000 abstract description 15
- 238000009413 insulation Methods 0.000 abstract description 12
- 239000007921 spray Substances 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 3
- KEUKAQNPUBYCIC-UHFFFAOYSA-N ethaneperoxoic acid;hydrogen peroxide Chemical compound OO.CC(=O)OO KEUKAQNPUBYCIC-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
- C04B2/12—Preheating, burning calcining or cooling in shaft or vertical furnaces
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses limestone suspension calcining equipment which comprises a heat insulation box, wherein the top of the inner wall of the heat insulation box is fixedly connected with a Venturi tube, the bottom of the Venturi tube is fixedly connected with the bottom of the inner wall of the heat insulation box, both sides of the heat insulation box are fixedly connected with fixing plates, the top of each fixing plate is fixedly connected with a blower, the output end of each blower is fixedly connected with a flow dividing pipe, and one end of each flow dividing pipe penetrates through the heat insulation box and extends into the Venturi tube. According to the invention, limestone powder enters the venturi tube by feeding through the feeding hole, the limestone powder is fully calcined better by stirring and air injection through the fan blades of the stirrer, the air flow in the venturi tube is spirally rotated through the air flow dividing pipe driven by the air blower, the suspended calcination time of the limestone powder is greatly prolonged, the exhausted gas does not pollute the air through the waste gas processor, and the calcined limestone is cooled through the cooling sleeve and the cooling spray nozzle.
Description
Technical Field
The invention relates to the technical field of calcination, in particular to limestone suspension calcination equipment.
Background
In the process of mine processing, a large amount of limestone powder is generated, the limestone powder is accumulated in a mine as mine waste, the occupied area is large, the resource waste is caused, the environment is polluted, a calcining furnace can be used for calcining and recycling the limestone powder, the existing calcining furnace is high in blanking speed and low in unloading efficiency, and high-temperature harmful tail gas is directly discharged into the environment to pollute the environment;
therefore, the limestone powder calcining furnace which is low in cost, capable of slowing down the blanking speed, thorough in limestone powder calcining, high in discharging efficiency, capable of effectively utilizing the waste heat in the tail gas, capable of discharging the treated tail gas into the environment, capable of reducing the pollution of the tail gas to the environment, energy-saving and environment-friendly is urgently needed to be designed.
Disclosure of Invention
The invention aims to provide limestone suspension calcining equipment to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lime stone suspension calcining equipment, includes the heat insulation box, the top fixedly connected with venturi of heat insulation box inner wall, the bottom of venturi and the bottom fixed connection of heat insulation box inner wall, the equal fixedly connected with fixed plate in both sides of heat insulation box, the top fixedly connected with air-blower of fixed plate, the output fixedly connected with a plurality of shunt tubes of air-blower, the one end of shunt tubes runs through in the heat insulation box and extends to venturi's inside, the one end fixedly connected with air jet of shunt tubes, the air jet axis becomes 45 degrees contained angles with the horizontal direction, the air jet axis of same side is parallel to each other, the air jet axis of this side and the air jet axis of opposite side are central symmetry setting, venturi's inside is provided with the high temperature area, the bottom fixedly connected with fuel output tube in the high temperature area, the one end of fuel output tube runs through one side of venturi and, the air nozzles of the plurality of shunt pipes are arranged at the upper side and the lower side of the high-temperature zone.
Preferably, the bottom fixedly connected with exhaust-gas treatment ware of fixed plate, exhaust-gas treatment ware's bottom fixedly connected with gas outlet, one side fixedly connected with breather pipe of exhaust-gas treatment ware, be provided with the valve in the middle of the breather pipe.
Preferably, the bottom of the inner wall of the venturi tube is fixedly connected with a discharging tower, and cooling spraying openings are fixedly connected to two sides of the discharging tower.
Preferably, the bottom of the discharging tower is fixedly connected with a steam pipe, and one end of the steam pipe is fixedly connected with a bubble box.
Preferably, one side fixedly connected with water pipe of bubble chamber, the one end fixedly connected with water-cooling converter of water pipe, one side fixedly connected with condenser tube of water-cooling converter, condenser tube's one end fixedly connected with cooling jacket, cooling jacket's surface and venturi one side fixed connection.
Preferably, venturi's top fixedly connected with motor, the output fixedly connected with agitator of motor, the one end of agitator runs through in venturi's top, and the rotation direction of motor is the same with the direction of air jet and the air current direction of the blade of agitator under the drive of motor upwards.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, limestone powder enters the venturi tube through the feeding of the feeding port, the limestone powder is fully calcined better through stirring and air injection of the fan blades of the stirrer, the air flow in the venturi tube is spirally rotated through the air flow of the air flow dividing pipe driven by the blower, the suspended calcination time of the limestone powder is greatly prolonged, the exhausted gas does not pollute the air through the waste gas processor, and the calcined limestone is cooled through the cooling sleeve and the cooling spray opening.
Drawings
FIG. 1 is an overall cross-sectional view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the structure of the gas injection port of the present invention.
In the figure: 1. a heat insulation box; 2. a venturi tube; 3. a feed inlet; 4. a shunt tube; 5. an air jet; 6. a fuel delivery pipe; 7. a high temperature zone; 8. a blower; 9. a fixing plate; 10. an exhaust gas processor; 11. an air outlet; 12. a valve; 13. a breather pipe; 14. a discharge tower; 15. cooling the spraying opening; 16. a vapor tube; 17. cooling the sleeve; 18. a cooling water pipe; 19. a water-cooled converter; 20. a bubble box; 21. a water pipe; 22 a motor; 23. a stirrer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention is shown:
the utility model provides a lime stone suspension calcining equipment, includes heat-insulating box 1, the top fixedly connected with venturi 2 of heat-insulating box 1 inner wall, the bottom of venturi 2 and the bottom fixed connection of heat-insulating box 1 inner wall, the equal fixedly connected with fixed plate 9 in both sides of heat-insulating box 1, the top fixedly connected with air-blower 8 of fixed plate 9, a plurality of shunt tubes 4 of output fixedly connected with of air-blower 8, the one end of shunt tubes 4 runs through in heat-insulating box 1 and extends to venturi 2's inside, the one end fixedly connected with air jet 5 of shunt tubes 4, and air jet 5 axis and horizontal direction become 45 degrees contained angles, and the air jet axis of one side is parallel to each other, and the air jet axis of this side is central symmetry setting with the air jet axis of opposite side, venturi 2's inside is provided with high temperature area 7, the bottom fixedly connected with fuel output tube 6 of high temperature area, one end of the fuel output pipe 6 sequentially penetrates through one side of the Venturi tube 2 and one side of the heat insulation box 1.
Top and bottom and venturi 2 seamless connection of heat-insulating box 1, what fuel output tube 6's surface cup jointed has the insulating layer, and through a plurality of pipelines of one side setting of shunt tubes 4, a plurality of pipelines all are located 2 inside one ends of venturi and are the triangle point shape, and the air jet 5 that sets up on the top of triangle point simultaneously, venturi 2's both sides and heat-insulating box 1 have the camber distance.
The bottom fixedly connected with exhaust-gas treatment ware 10 of fixed plate 9, the bottom fixedly connected with gas outlet 11 of exhaust-gas treatment ware 10, one side fixedly connected with breather pipe 13 of exhaust-gas treatment ware 10, be provided with valve 12 in the middle of breather pipe 13.
The exhaust gas treatment device 10 serves to treat exhaust gas to prevent air pollution, and the valve 12 can control the flow rate and time of the gas.
The bottom fixedly connected with discharge tower 14 of 2 inner walls of venturi, the equal fixedly connected with cooling spraying opening 15 in both sides of discharge tower 14.
The cooling spray opening 15 plays a role of cooling the limestone, and the discharging tower 14 enables the limestone to be easily discharged.
A steam pipe 16 is fixedly connected to the bottom of the discharging tower 14, and a bubble box 20 is fixedly connected to one end of the steam pipe 16.
One side fixedly connected with water pipe 21 of bubble chamber 20, the one end fixedly connected with water-cooling converter 19 of water pipe 21, one side fixedly connected with condenser tube 18 of water-cooling converter 19, condenser tube 18's one end fixedly connected with cooling jacket 17, cooling jacket 17's surface and 2 one side fixed connection of venturi.
Venturi 2's top fixedly connected with motor 22, motor 22's output fixedly connected with agitator 23, the one end of agitator 23 runs through in venturi 2's top, and the rotation direction of motor is the same with the direction of air jet and the air current direction of the blade of agitator under the drive of motor upwards. The time of suspension calcination can be further prolonged by the airflow of the stirrer driven by the motor.
The working principle is as follows: make the limestone powder get into inside venturi 2 through feed inlet 3, the circular telegram makes motor 22 rotate simultaneously, motor 22 output drives agitator 23 and rotates, agitator 23 stirs the leaf stirring limestone powder, increase the time that the limestone powder is detained in the control, blower 8 operates simultaneously, at this moment, blower 8 spouts the air through a plurality of air jet ports 5 of setting on shunt tubes 4, the jet-propelled direction slope is upwards, through the inside funnel structure of venturi 2, so air current of air jet port 5 spun makes the limestone powder construct the spiral unsettled in venturi 2's inside, make high temperature zone 7 calcine the limestone through the output fuel of fuel output tube 6, what fuel output tube 6 surface cup jointed is the insulating layer, cooling down the limestone of calcining through the fixed cooling jacket pipe 17 in bottom of venturi 2 one side, make waste gas get into inside exhaust gas processor 10 through breather pipe 13 of venturi 2 opposite side, the gas is controlled by a valve 12 provided on a vent pipe 13, water inside the bubble box is converted by a water-cooling converter 19, steam is introduced into the discharging tower 14 through a steam pipe 16 by the bubble box 20, and limestone is further cooled by spraying through a cooling spray opening 15.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a lime stone suspension calcining equipment, includes the heat shield box which characterized in that: the top fixedly connected with venturi of heat-insulating box inner wall, venturi's bottom and heat-insulating box inner wall's bottom fixed connection, the equal fixedly connected with fixed plate in both sides of heat-insulating box, the top fixedly connected with air-blower of fixed plate, a plurality of shunt tubes of the output fixedly connected with of air-blower, the one end of shunt tubes runs through the heat-insulating box and extends to venturi's inside, the one end fixedly connected with air jet of shunt tubes, the air jet axis becomes 45 degrees contained angles with the horizontal direction, the air jet axis of same one side is parallel to each other, the air jet axis of this side and the air jet axis of opposite side are central symmetry setting, venturi's inside is provided with the high temperature zone, the bottom fixedly connected with fuel output tube in high temperature zone, the one end of fuel output tube runs through one side of venturi and heat-, the air nozzles of the plurality of shunt pipes are arranged at the upper side and the lower side of the high-temperature zone.
2. Limestone suspension calcining apparatus according to claim 1, characterized in that: the bottom fixedly connected with exhaust-gas treatment ware of fixed plate, exhaust-gas treatment ware's bottom fixedly connected with gas outlet, one side fixedly connected with breather pipe of exhaust-gas treatment ware, be provided with the valve in the middle of the breather pipe.
3. Limestone suspension calcining apparatus according to claim 1, characterized in that: the bottom fixedly connected with discharging tower of venturi inner wall, the equal fixedly connected with cooling spraying nozzle in both sides of discharging tower.
4. Limestone suspension calcining apparatus according to claim 3, characterized in that: the bottom of the discharging tower is fixedly connected with a steam pipe, and one end of the steam pipe is fixedly connected with a bubble box.
5. Limestone suspension calcining apparatus according to claim 4, characterized in that: one side fixedly connected with water pipe of bubble chamber, the one end fixedly connected with water-cooling converter of water pipe, one side fixedly connected with condenser tube of water-cooling converter, condenser tube's one end fixedly connected with cooling jacket, cooling jacket's surface and venturi one side fixed connection.
6. Limestone suspension calcining apparatus according to claim 5, characterized in that: venturi's top fixedly connected with motor, the output fixedly connected with agitator of motor, the one end of agitator runs through in venturi's top, and the rotation direction of motor is the same with the direction of air jet and the air current direction of the blade of agitator under the drive of motor upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636598.9A CN111777341B (en) | 2020-07-03 | 2020-07-03 | Limestone suspension calcining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636598.9A CN111777341B (en) | 2020-07-03 | 2020-07-03 | Limestone suspension calcining equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111777341A true CN111777341A (en) | 2020-10-16 |
| CN111777341B CN111777341B (en) | 2021-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010636598.9A Active CN111777341B (en) | 2020-07-03 | 2020-07-03 | Limestone suspension calcining equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111777341B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277764A (en) * | 2021-04-30 | 2021-08-20 | 中建材创新科技研究院有限公司 | Steam calcinator |
| CN115925283A (en) * | 2022-11-29 | 2023-04-07 | 浙江钙科科技股份有限公司 | Calcium carbonate suspension calcination preparation process |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1097767A (en) * | 1966-05-11 | 1968-01-03 | Ind Plant Comb Ltd | Improvements in or relating to the calcining of limestone and like materials |
| US6269755B1 (en) * | 1998-08-03 | 2001-08-07 | Independent Stave Company, Inc. | Burners with high turndown ratio |
| US20060169181A1 (en) * | 2003-02-24 | 2006-08-03 | Posco | Method and burner apparatus for injecting a pulverized coal into rotary kilns, method and apparatus for producing cao using them |
| US20070014706A1 (en) * | 2001-07-12 | 2007-01-18 | Tesa Aktiengesellschaft | Process and device for cleaning combustion flue gases |
| CN206940740U (en) * | 2017-07-10 | 2018-01-30 | 合肥水泥研究设计院 | A kind of active powder lime suspension calcining device |
| US20180036697A1 (en) * | 2015-02-25 | 2018-02-08 | Yoshino Gypsum Co., Ltd. | Apparatus and method for calcination of gypsum |
| CN110102152A (en) * | 2019-06-20 | 2019-08-09 | 傅金凤 | Water-soluble organic exhaust gas absorption tower |
| CN110790522A (en) * | 2019-12-11 | 2020-02-14 | 河南越尔环保科技有限公司 | Limestone powder calcining furnace |
| US20200191388A1 (en) * | 2013-09-26 | 2020-06-18 | Rheem Manufacturing Company | Fuel/Air Mixture and Combustion Apparatus and Associated Methods for Use in a Fuel-Fired Heating Apparatus |
| CN111646710A (en) * | 2020-06-30 | 2020-09-11 | 浙江钙科机械设备有限公司 | Suspension calcination production line for powdered lime and suspension calcination process thereof |
-
2020
- 2020-07-03 CN CN202010636598.9A patent/CN111777341B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1097767A (en) * | 1966-05-11 | 1968-01-03 | Ind Plant Comb Ltd | Improvements in or relating to the calcining of limestone and like materials |
| US6269755B1 (en) * | 1998-08-03 | 2001-08-07 | Independent Stave Company, Inc. | Burners with high turndown ratio |
| US20070014706A1 (en) * | 2001-07-12 | 2007-01-18 | Tesa Aktiengesellschaft | Process and device for cleaning combustion flue gases |
| US20060169181A1 (en) * | 2003-02-24 | 2006-08-03 | Posco | Method and burner apparatus for injecting a pulverized coal into rotary kilns, method and apparatus for producing cao using them |
| US20200191388A1 (en) * | 2013-09-26 | 2020-06-18 | Rheem Manufacturing Company | Fuel/Air Mixture and Combustion Apparatus and Associated Methods for Use in a Fuel-Fired Heating Apparatus |
| US20180036697A1 (en) * | 2015-02-25 | 2018-02-08 | Yoshino Gypsum Co., Ltd. | Apparatus and method for calcination of gypsum |
| CN206940740U (en) * | 2017-07-10 | 2018-01-30 | 合肥水泥研究设计院 | A kind of active powder lime suspension calcining device |
| CN110102152A (en) * | 2019-06-20 | 2019-08-09 | 傅金凤 | Water-soluble organic exhaust gas absorption tower |
| CN110790522A (en) * | 2019-12-11 | 2020-02-14 | 河南越尔环保科技有限公司 | Limestone powder calcining furnace |
| CN111646710A (en) * | 2020-06-30 | 2020-09-11 | 浙江钙科机械设备有限公司 | Suspension calcination production line for powdered lime and suspension calcination process thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277764A (en) * | 2021-04-30 | 2021-08-20 | 中建材创新科技研究院有限公司 | Steam calcinator |
| CN113277764B (en) * | 2021-04-30 | 2022-06-21 | 中建材创新科技研究院有限公司 | Steam calcinator |
| CN115925283A (en) * | 2022-11-29 | 2023-04-07 | 浙江钙科科技股份有限公司 | Calcium carbonate suspension calcination preparation process |
| CN115925283B (en) * | 2022-11-29 | 2024-05-03 | 浙江钙科科技股份有限公司 | Suspension calcination preparation process for calcium carbonate |
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| Publication number | Publication date |
|---|---|
| CN111777341B (en) | 2021-11-19 |
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Address after: 350000 17, 08, 09 units of Shenglong Huijin center, south of Ao Feng Road, Taijiang District, Fuzhou, Fujian. Applicant after: China Ryukyu Technology Co.,Ltd. Address before: 350000 17, 08, 09 units of Shenglong Huijin center, south of Ao Feng Road, Taijiang District, Fuzhou, Fujian. Applicant before: FUJIAN GAS HOLDER EQUIPMENT INSTALLATION Co.,Ltd. |
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Address after: 1701, 17 / F, R & D building 1-3, Fuzhou Tsinghua Ziguang Science Park Strait science and technology R & D zone, No. 30, Wulong Jiangnan Avenue, Shangjie Town, Minhou County, Fuzhou City, Fujian Province, 350108 Patentee after: China Ryukyu Technology Co.,Ltd. Address before: 350000 17, 08, 09 units of Shenglong Huijin center, south of Ao Feng Road, Taijiang District, Fuzhou, Fujian. Patentee before: China Ryukyu Technology Co.,Ltd. |
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