CN112159125A - Automatic coal feeding vertical environment protection lime kiln - Google Patents
Automatic coal feeding vertical environment protection lime kiln Download PDFInfo
- Publication number
- CN112159125A CN112159125A CN202011275886.2A CN202011275886A CN112159125A CN 112159125 A CN112159125 A CN 112159125A CN 202011275886 A CN202011275886 A CN 202011275886A CN 112159125 A CN112159125 A CN 112159125A
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- China
- Prior art keywords
- kiln
- chain
- door
- wheel
- coal
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- 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
- 239000003245 coal Substances 0.000 title claims abstract description 63
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 39
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 39
- 239000004571 lime Substances 0.000 title claims abstract description 39
- 239000006028 limestone Substances 0.000 claims abstract description 22
- 235000019738 Limestone Nutrition 0.000 claims abstract description 21
- 239000002893 slag Substances 0.000 claims abstract description 19
- 239000000779 smoke Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000002912 waste gas Substances 0.000 claims description 10
- 230000009970 fire resistant effect Effects 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000011449 brick Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000292 calcium oxide Substances 0.000 description 7
- 235000012255 calcium oxide Nutrition 0.000 description 7
- 239000004575 stone Substances 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003077 lignite Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- -1 firewood Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
Abstract
The invention relates to an automatic coal feeding vertical environment-friendly lime kiln, which comprises a kiln barrel, a kiln door, a kiln top and a kiln chamber, wherein the kiln door is provided with a front door and a rear door, a chain trigger is arranged between the front door and the rear door and transversely penetrates through the kiln barrel, a head wheel of the chain trigger is arranged outside the rear door, a tail wheel of the chain trigger is arranged outside the front door, the chain trigger is arranged on a chain frame, the chain frame is of a ditch-shaped structure, the head wheel and the tail wheel are arranged on a ditch side, a chain belt is arranged between the head wheel and the tail wheel to rotate, the head wheel is driven by a motor, limestone in the kiln barrel is built into an arch hole above the chain belt to form the kiln chamber, a coal feeder is arranged outside the rear door to automatically feed coal to the chain belt to the kiln chamber to burn the limestone above the arch hole, burned slag is automatically conveyed outside the front door, the kiln top is provided with an exhaust pipe connected with a smoke window or an exhaust gas treatment system to suck smoke in the kiln barrel to form an air flow, the front door is, the invention has no mixing of coal and limestone, no need of coal classification, good quality of lime, environmental protection and high efficiency.
Description
Technical Field
The invention relates to lime production equipment, in particular to an automatic coal feeding vertical environment-friendly lime kiln.
Background
Lime is one of the most basic and earliest used building and decoration materials, and is also a common ingredient or raw material in the industries of medicine, food, chemical industry and the like. The wide application of lime makes people pay more attention to the production of lime. The production method of lime is to calcine limestone, that is, common calcium carbonate to make it become calcium oxide.
Earlier conventional lime production plants burned limestone continuously in limekilns for days or even tens of days with either a wood or charcoal fire. Limestone is stacked in the cave, and the lower part of the cave is fired, so that flame smoke dust passes through gaps of the limestone to heat stones, and the stones are slowly converted into calcium oxide. The method has the disadvantages that the fuels such as firewood, charcoal and the like must be added into the kiln continuously by someone, generally, the lime burning in the kiln generally needs about 30 days continuously, a large amount of fuels are needed, more workers must be used for alternately adding the fuels day and night, and the production cost is higher. Another problem is that the fumes produced in this way are directly discharged into the atmosphere, and although one places the limekiln in a location that is averse, pollution of the atmosphere is inevitable.
The existing lime production adopts some modern technologies, such as mixing and burning limestone and small coal blocks, and the equipment is a vertical lime mixing and burning kiln. The vertical lime mixing-burning kiln is characterized by that the coal granules (generally low-fixed carbon fire coal, such as brown coal, etc.) and limestone are mixed according to a certain proportion, then placed in the kiln, heated, and blown to support combustion, and similar to blast furnace ironmaking, the difference is that the ore in the blast furnace is finally changed into molten iron and sunk, and the last quick lime of lime kiln and coal granule slag ash are mixed together, cooled and passed through ash-discharging equipment, and taken out of the kiln. The other problem is that the vertical mixed-burning lime kiln has strict requirements on coal particles, generally the coal powder is required to be 5-10cm, and the coal powder smaller than 5cm cannot be mixed into stone, otherwise the air permeability of the kiln is influenced, and the kiln is partially burnt or is dead. Therefore, the problem that the coal powder smaller than 5cm cannot be used is caused, grading equipment needs to be added, the cost of enterprises is increased, and equipment and stone house investment are increased. In the face of this problem, it is desirable to have a technology or apparatus that allows low-value pulverized coal to be used also for producing high-quality lime, but no such technology has been available.
Disclosure of Invention
Therefore, the invention provides the vertical environment-friendly lime kiln capable of automatically feeding coal, which can be produced according to the mode of the traditional vertical kiln, but coal is not mixed with limestone, and the coal is not required to be subjected to coarse and fine classification, so that the obtained lime has good quality, is environment-friendly and efficient, and overcomes the defects of the prior art.
The invention provides an automatic coal feeding vertical environment-friendly lime kiln, which comprises a kiln barrel, a kiln door, a kiln top and a kiln chamber, and is characterized in that the kiln door is provided with a front door and a rear door, a chain plate machine is arranged between the front door and the rear door and transversely penetrates through the kiln barrel, a head wheel of the chain plate machine is arranged outside the rear door, a tail wheel of the chain plate machine is arranged outside the front door, the chain plate machine is arranged on a chain frame, the chain frame is of a ditch-shaped structure, the head wheel and the tail wheel are arranged on a ditch side, a chain belt is arranged between the head wheel and the tail wheel to rotate, the head wheel is driven by a motor, limestone in the kiln barrel is built into an arch hole above the chain belt to form the kiln chamber, a coal feeder is arranged outside the rear door to automatically feed coal to the chain belt to the kiln chamber to burn the limestone above the arch hole, burned slag is automatically conveyed outside the front door, and a flue gas in the kiln top is provided with an exhaust pipe connected with.
The front door is provided with a door leaf for closing the door opening to facilitate the discharge of the burnt lime from the kiln and reduce heat loss, and the rear door is just enough for conveying coal to avoid heat loss.
The kiln top is a movable conical top cover, and a lifting lug is arranged on the top cover so as to be convenient for lifting the kiln top to load materials and covering the kiln top again.
The kiln barrel wall is lined with a heat preservation layer and a fire-resistant layer on the inner side, the heat preservation layer is clamped between the barrel wall and the fire-resistant layer, the heat preservation layer is made of heat preservation materials, and the fire-resistant layer is built by refractory bricks.
The bottom surface of the kiln cylinder is a slope inclined towards the chain belt so as to facilitate building of arch holes.
And an air pipe in the chain frame is communicated between the upper side and the lower side of the chain belt to supply oxygen to the furnace hearth, and the air pipe penetrates through the bottom of the kiln to be connected with an external fan.
The bottom of the chain frame is a flat plate and is close to but not contacted with the lower side of the chain belt so as to scrape slag falling to the bottom to the head end for removal.
The chain belt is formed by connecting the transmission chains on two sides and the connecting chain in the middle end to end through a chain pin, the head wheel is composed of at least two coaxial chain wheels, one transmission chain corresponds to one chain wheel, the chain wheels are in meshed transmission with the chain sheets of the transmission chains, and the tail wheel is a cylindrical wheel.
The tail wheel is installed on the tightening device of the chain frame so as to facilitate the tightness of the chain belt, the head wheel is connected with the motor through the transmission for transmission, and the motor is a stepless speed regulating motor so as to facilitate the adjustment of the moving speed of the chain belt according to the requirement.
And slag conveyors are arranged beside the first wheel and the tail wheel to automatically convey slag to a slag yard for storage and treatment.
The working principle of the invention is as follows:
before opening the kiln, the gas-collecting hood on the kiln top is firstly hung by a crane and the like, an arch slightly higher than a rear door is built above a chain belt in the kiln cylinder by limestone blocks to form a furnace hearth, the limestone blocks are piled up one by one after the arch is stabilized until the whole kiln cylinder is filled, then the kiln top is covered again, and the exhaust pipe is connected with a chimney or a waste gas treatment system. The method comprises the steps of feeding coal to a chain belt by a coal feeder, starting a chain plate machine to convey the coal into an arch hole, stopping the coal in the arch hole, igniting the coal in the arch hole by using inflammable substances such as diesel oil, gasoline and the like, heating a kiln cylinder to the temperature at which the coal is inflammable, slowly starting the chain plate machine to move the chain belt to a front door, continuously conveying the coal into a hearth by the coal feeder to burn, starting a fan to adjust air volume, blowing air into the lower part of the chain plate to support combustion of the hearth, connecting an exhaust pipe on the top of the kiln with a waste gas treatment system or a chimney to form suction force, conveying waste gas, smoke dust and the like generated by burning into the waste gas treatment system through a limestone gap through the exhaust pipe, removing sulfur dioxide, carbon oxides and solid particles in the waste gas, purifying the waste gas, and.
When the temperature of the kiln barrel is raised to about 1000 ℃, coal entering the furnace hearth is quickly combusted, the coal is basically burnt out when the coal is burnt out of the furnace hearth, and the residual slag falls off at the tail wheel of the chain scraper machine and enters a subsequent slag conveyer to be automatically conveyed to a slag yard for storage. Thus, a stable heating process of automatic coal feeding and continuous combustion is formed, and the limestone in the whole kiln is changed into quicklime blocks after 15 to 20 days. And closing the chain plate machine, the coal feeder, the fan and other equipment, and opening the front door to discharge from the kiln after the fire in the furnace chamber is completely combusted and automatically cooled.
During the combustion process, the door leaves on the front door are closed to reduce heat loss. And opening the furnace when the furnace is taken out. Ash residue on the lower side of the chain plate is automatically scraped to a slag runner or a slag conveyor at the end of the first wheel by the chain belt and is conveyed away.
And after the kiln cylinder is emptied, repeating the above process and carrying out the next production.
The invention is characterized in that the automatic coal feeding combustion is carried out without manual coal feeding, thereby not only reducing the labor intensity, but also saving the labor cost, improving the work efficiency, stabilizing the coal feeding supply and ensuring the continuous and stable kiln temperature; coal is not mixed with limestone, the burnt lime is pure and has better quality than common vertical lime, the coal is not classified, granular coal and pulverized coal can be put into a kiln for burning, the coal cost is reduced, the generated waste gas and smoke dust are hermetically discharged and treated by a waste gas treatment system, no pollution is caused, and the method is clean and environment-friendly.
In a word, the invention can be produced in a mode of the traditional vertical kiln, coal is not mixed with limestone, and coal grading is not needed, so that the use problem of small-particle coal and pulverized coal on the vertical lime kiln is thoroughly solved, the quality of produced lime is good, the environment is protected, the efficiency is high, and the operating profit of lime production enterprises is increased.
Drawings
Fig. 1 is a front view (front sectional view) of the present invention.
Fig. 2 is a right side view (partially omitted).
Fig. 3 is a plan view.
Fig. 4 is a front view of the head wheel.
Fig. 5 is a front left view.
Fig. 6 is a front view of the tail wheel.
Fig. 7 is a left side view of the tail wheel.
FIG. 8 is a front view of the drive link.
FIG. 9 is a left side view of the drive link.
FIG. 10 is a top plan view of the drive link.
Fig. 11 is a front view of the connecting link.
Fig. 12 is a left side view of the connecting link.
Fig. 13 is a top view of the connecting link.
FIG. 14 is a schematic view of a strand structure.
In fig. 1-14, the various components are numbered as follows:
1-a kiln base; 2-first round; 3-a chain belt; 4-a coal feeder; 5-kiln cylinder; 6-insulating layer; 7-a refractory layer; 8-limestone; 9-movable kiln top; 10-hoisting lugs; 11-an exhaust pipe; 12-a rear door; 13-furnace hearth; 14-front door; 15-air pipe; 16-a tail wheel; 17-a base plate; 18-a chain frame; 19-a hinge; 20-door leaf; 21-a transmission; 22-a motor; 201-a sprocket; 301-drive link; 302-linking the flaps; 303-chain pin.
The sprocket teeth of the first wheel in fig. 4-5 are shown as only one tooth, and the others are omitted by simple drawing.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-14, the kiln base 1 is generally constructed by reinforced concrete to form a basic table shape, a groove for installing the chain frame 18 and a channel for discharging slag are reserved on the kiln base, an air pipe 15, foundation bolts for installing the speed changer 21 and the motor 22, and the like are pre-buried. The chain frame and the bottom plate 17 are welded into a groove shape by steel plates, groove sides at two sides are hollow, and an air pipe penetrates through the groove sides and blows air to the upper side and the lower side of the chain belt. The head pulley 2 and the tail pulley 16 are mounted on one end of the rear door 12 and one end of the front door 14 of the chain frame, respectively, by means of a bearing or the like. As described above, the tail pulley shaft is mounted on the tightening unit in order to facilitate adjustment of the tightness of the chain belt. The head wheel is composed of a wheel shaft and chain wheels 201 on the shaft, and the number of the chain wheels is not less than two and is corresponding to the number of the transmission chains. The chain wheels are three chain wheels, which are in accordance with the three transmission chains at the edge and the middle of the chain belt and are in meshed transmission. The tail wheel is a cylindrical wheel. Two sides of the chain frame are close to the chain belt to prevent the chain belt from deviating.
The chain belt is also called a chain plate, the driving chain and the connecting chain are formed by connecting the driving chain sheet and the connecting chain sheet end to end, and the chain belts are formed by connecting chain pins across and in opposite seams. The chain belt, the head and tail wheels, the speed changer and the motor form a chain belt machine, which is also called a chain plate machine.
The kiln cylinder 5, the insulating layer 6 and the refractory layer 7 are basically the same as those of the existing vertical lime kiln. However, the invention has a rear door 12 and a front door 14, the two doors are arranged on the front wall and the rear wall of the kiln cylinder in pairs, the rear door is smaller, and the chain belt can be used for conveying coal in, so that the heat loss is reduced as much as possible. The front door is convenient for taking out the furnace slag, so that the front door is made to be larger, two door leaves are arranged at the part above the chain belt, the front door is closed after normal combustion, and the front door is opened when the furnace slag is taken out.
The movable kiln top 9 is made into a cone shape, the inner surface of the movable kiln top can be lined with an insulating layer and a fire-resistant layer, and the outer surface of the movable kiln top is welded with a plurality of hoisting lugs 10 so as to facilitate the installation and uncovering of a crane. An exhaust pipe 11 is welded at the top of the kiln top, and a movable joint is arranged on the exhaust pipe so as to be connected with a waste gas treatment system or a chimney.
The kiln bottom inclines towards the chain belt to form a two-sided slope, when in use, arch holes are built by stones with regular shapes in the limestone 8 to form a furnace chamber 13, a front door and a rear door are communicated, and gaps are reserved on the arch top as much as possible so that flame heat can smoothly enter the stone layer.
The wind pipe is led in from the kiln seat and divided into a plurality of strands to enter the lower part of the chain belt for uniform wind supply.
The parts not mentioned are as described above.
According to the practical situation of one model of the invention, the stone material is loaded into the kiln for one time by 900-ton, and the pure quick lime can be loaded into the kiln for 15-20 days by 500-ton and the local brown coal can be loaded into the kiln for one time by 160-ton. Compared with the traditional shaft kiln, the production period is shortened by 10-15 days, and the production cost is saved by more than 100 yuan per ton of lime. The quality of lime is superior to that of the traditional vertical kiln.
Claims (10)
1. The vertical environment protecting lime kiln with automatic coal feeding includes kiln barrel, kiln door, kiln top and kiln chamber, and features that the kiln door has front door and back door, chain plate set between the front door and the back door and passing through the kiln barrel, chain plate set with front wheel outside the back door and tail wheel outside the front door, chain plate set on chain frame in one ditch structure, chain belt between the front wheel and the tail wheel and rotating, motor driven first wheel, lime stone inside the kiln barrel set on the chain belt to form kiln chamber, coal feeder outside the back door to feed coal to the chain belt to the kiln chamber for burning lime stone, burnt slag to the front door and exhaust pipe connected to the smoke window or waste gas treating system.
2. The vertical environment-friendly lime kiln with automatic coal feeding according to claim 1, wherein the front door is provided with a door leaf for closing the door opening, and the rear door is just enough for coal to be carried in so as to reduce heat loss.
3. The vertical environment-friendly lime kiln with automatic coal feeding as claimed in claim 1, wherein the top of the kiln is a movable conical top cover, and the top cover is provided with lifting lugs to facilitate lifting the top of the kiln to load and re-cover the top of the kiln.
4. The vertical environment-friendly lime kiln with automatic coal feeding according to claim 1, wherein the inner side of the wall of the kiln cylinder is lined with an insulating layer and a fire-resistant layer, the insulating layer is sandwiched between the wall and the fire-resistant layer, the insulating layer is made of an insulating material, and the fire-resistant layer is built by refractory bricks.
5. The vertical environment-friendly lime kiln with automatic coal feeding as claimed in claim 1, wherein the bottom surface of the kiln cylinder is a slope inclined towards the chain belt to facilitate building of arch holes.
6. The vertical environment-friendly lime kiln with automatic coal feeding as claimed in claim 1, wherein an air duct is provided in the chain frame to supply oxygen to the hearth between the upper and lower sides of the chain belt, and the air duct is connected to an external air blower through the bottom of the lime kiln.
7. The vertical environmentally friendly lime kiln of claim 1, wherein the bottom of the chain cage is a flat plate and is adjacent to but not in contact with the underside of the chain belt.
8. The vertical environment-friendly lime kiln with automatic coal feeding according to claim 1, wherein the chain belt is formed by connecting two transmission chains at two sides and a connecting chain in the middle end to end by using a chain pin, the head wheel is formed by at least two coaxial chain wheels, one transmission chain corresponds to one chain wheel, and the chain wheels are in meshing transmission with the chain sheets of the transmission chains.
9. The vertical environment-friendly lime kiln with automatic coal feeding according to claim 1, wherein the tail wheel is installed on a tightening device of the chain frame, the head wheel is connected with a motor through a transmission for transmission, and the motor is a stepless speed regulating motor.
10. The vertical environment-friendly lime kiln with automatic coal feeding according to claim 1, wherein slag conveyors are arranged beside the first wheel and the tail wheel to automatically convey slag to a slag yard for stockpiling and treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275886.2A CN112159125A (en) | 2020-11-16 | 2020-11-16 | Automatic coal feeding vertical environment protection lime kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275886.2A CN112159125A (en) | 2020-11-16 | 2020-11-16 | Automatic coal feeding vertical environment protection lime kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112159125A true CN112159125A (en) | 2021-01-01 |
Family
ID=73865862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011275886.2A Pending CN112159125A (en) | 2020-11-16 | 2020-11-16 | Automatic coal feeding vertical environment protection lime kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112159125A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299042A (en) * | 2000-12-08 | 2001-06-13 | 欧川平 | Design method and apparatus of energy-saving lime kiln |
| CN102745913A (en) * | 2012-06-15 | 2012-10-24 | 赵政 | Slag-free lime kiln |
| CN203413816U (en) * | 2013-06-21 | 2014-01-29 | 蔡永康 | Bath heating boiler with chain belt type automatic coal feeding |
| WO2019004892A1 (en) * | 2017-06-26 | 2019-01-03 | Fältkalk Ab | A vertical lime kiln |
-
2020
- 2020-11-16 CN CN202011275886.2A patent/CN112159125A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299042A (en) * | 2000-12-08 | 2001-06-13 | 欧川平 | Design method and apparatus of energy-saving lime kiln |
| CN102745913A (en) * | 2012-06-15 | 2012-10-24 | 赵政 | Slag-free lime kiln |
| CN203413816U (en) * | 2013-06-21 | 2014-01-29 | 蔡永康 | Bath heating boiler with chain belt type automatic coal feeding |
| WO2019004892A1 (en) * | 2017-06-26 | 2019-01-03 | Fältkalk Ab | A vertical lime kiln |
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