CN201258298Y - Kiln for burning lime - Google Patents
Kiln for burning lime Download PDFInfo
- Publication number
- CN201258298Y CN201258298Y CNU2008200780075U CN200820078007U CN201258298Y CN 201258298 Y CN201258298 Y CN 201258298Y CN U2008200780075 U CNU2008200780075 U CN U2008200780075U CN 200820078007 U CN200820078007 U CN 200820078007U CN 201258298 Y CN201258298 Y CN 201258298Y
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- Prior art keywords
- kiln
- calcining
- fuel
- burning
- zone
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- Expired - Lifetime
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- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Abstract
The utility model relates to a kiln for calcining lime, which mainly comprises a kiln body, a feed system, a burning system, a discharging system, an air supply system and a control system. A feed port, a preheating zone, a calcining zone, a cooling zone and a discharge port are arranged in the kiln body. An upper calcining beam and a lower calcining beam are mounted in the calcining zone of the kiln; and a fuel pipeline and a combustion air channel are arranged in each calcining beam. An upper pumping beam for pumping fume is arranged at the upper part of the preheating zone in the kiln body; and a lower pumping beam for pumping hot gas is arranged at the middle part of the cooling zone. In order to avoid burning out a beam body and facilities in the beam body at the high temperature, cooling medium circulating cavities are formed in the beam bodies of the upper and the lower calcining beams and the lower pumping beam. The lime can be more completely and uniformly calcined when being calcined by adopting the utility model and has high active degree and good quality. The utility model completely utilizes afterheat to save energy sources and reduce production cost.
Description
Technical field
The utility model relates to a kind of kiln of calcining materials, relates to a kind of kiln of lime calcining specifically.
Background technology
Lime is important material of construction, also is important raw and processed materials metallurgical, chemical industry.Existing technology is to be raw material with Wingdale, rhombspar, adopts the limestone kiln of coal combustion heating or peripheral burner combustion heating and calcining material to produce lime.The defective that such process exists is: the limestone kiln of making fuel with coal coal and Wingdale in calcination process mix burning, easily lime are polluted; Adopt the limestone kiln of peripheral fuel burner nozzle, because the length of flame of burner is limited, flame can not arrive the center, causes the limestone calcination at kiln body center not saturating easily, influences the quality of lime product, has limited the size of kiln and the working ability of kiln simultaneously.The technology of the lime calcining of newly-developed adds burning beam for the calcining zone at the kiln body, and burning beam is provided with burner.Burning beam is installed on the same aspect of calcining zone, and burner uniform distribution on the burning beam has increased incendiary intensity, makes the Wingdale of same aspect can both obtain heating.But this burning beam technology still has its deficiency: individual layer burning beam intensity of combustion is little, and the building stones calcining is insufficient, also has some stone centers not grill thoroughly.
Summary of the invention
For addressing the above problem, the utility model provides a kind of kiln of double-deck burning beam type lime calcining, uses gas, solid two kinds of fuel; In the kiln upper and lower two-layer Abgasabsaugung beam is set simultaneously, makes the interior building stones calcining of kiln more evenly, fully.
The kiln of the lime calcining that the utility model provides mainly comprises kiln body, feeder system, firing system, discharge system, air feed system and Controlling System.Divide opening for feed, preheating zone, calcining zone, cooling zone and discharge port in the kiln body.Be provided with upper and lower two-layer burning beam at the intravital calcining zone of kiln, burning beam is provided with burner; Fuel conduit and combustion air passage are arranged in the burning beam; The top of the preheating zone of kiln is provided with the last suction bar of suction flue gas, and the middle part of cooling zone is provided with the following suction bar of suction hot gas.Described fuel conduit is solid fuel pipe, fuel gas passage or geseous fuel pipe, or above-mentioned any both combination.
Described calcining zone is provided with peripheral burner.Described burning beam is divided into two sections from the centre, fuel conduit and combustion air passage are arranged in every section, and it is external that the afterbody of fuel conduit and combustion air passage stretches out kiln along opposite direction.There are 3～6 burning beams on the calcining zone upper strata of described kiln, and there are 2～5 burning beams in lower floor; The top of the preheating zone of kiln is provided with 2～5 and goes up suction bar, and the middle part of cooling zone is provided with 1～4 following suction bar.Concrete quantity determines according to the size and the machining load of kiln body, discharges the alternate discharging of upper and lower layer burning beam side by side with the burning beam of one deck.
Contain 1～10 solid fuel pipe, fuel gas passage and combustion air passage in every section of the described burning beam, fuel gas passage and solid fuel pipe pass through from the combustion air passage.The solid fuel pipe connects burner along separate routes, makes every corresponding solid fuel burner of pipe, and regulated valve is equipped with on every road.The geseous fuel burner is connected on the shared fuel gas passage, and regulated valve is equipped with in the adapter that is connected with fuel gas passage.Burner is located at the bottom of burning beam beam body.
Another program of the present utility model is a burning beam using gas fuel, in every section of the described burning beam fuel gas passage and combustion air passage is arranged, and fuel gas passage is passed through in the combustion air passage.Burner is connected on the shared fuel gas passage, and regulated valve is equipped with in the adapter that is connected with fuel gas passage.Burner is located at the bottom of burning beam beam body or/and two sides.
The third scheme of the present utility model is to use geseous fuel, and the geseous fuel pipe connects burner along separate routes.Comprise 1～10 geseous fuel pipe and combustion air passage in every section of the described burning beam, the geseous fuel pipe passes through from the combustion air passage, and burner is located at the bottom of burning beam beam body, and every geseous fuel pipe is equipped with regulated valve.
The above solid fuel pipe and geseous fuel pipe are pipe shape body structure, and fuel gas passage and combustion air passage are rectangular box shape body structure, do not get rid of the structure formation of using other.
The described suction bar of going up is the circle tubular body arranged inside, and two perforates of arranging under being tilted to are arranged at the bottom of circle tubular body arranged inside, and the medullary ray of perforate and the angle of vertical line are: 0～90 °.Perforate is circle, Long Circle, ellipse or rectangle, and the area of perforate and quantity are determined according to the size and the production load of kiln.For making extracting force even, be provided with dividing plate in the middle of the suction bar circle tubular body arranged inside, from two ends suction flue gas, two is connected with outer tube.
Described suction bar down is the rectangle box-shaped body, and the bottom of box-shaped body has suction orifice, and suction orifice can be circle, Long Circle, ellipse or rectangle, and the area of perforate and quantity are determined according to the size and the production load of kiln.Identical with last suction bar, be provided with dividing plate in the middle of the following suction bar box-shaped body, two of box-shaped body is connected with exterior tube.
Be respectively equipped with the cavity that heat-eliminating medium circulates in the beam body of described upper and lower layer burning beam and in the box-shaped body of following suction bar, the heat-eliminating medium that uses is water or thermal oil.
External fuel interchanger and the combustion air interchanger of being provided with of kiln.Described go up suction bar by take over respectively with the combustion air interchanger be connected with fly-ash separator and induced draft fan again after the fuel interchanger is connected; Described suction bar down is connected with air heat exchanger, fly-ash separator and induced draft fan successively by taking over.
Burning beam described in the utility model uses solid fuel and geseous fuel, and solid fuel is coal dust, the coke powder of diameter less than 0.1mm; Geseous fuel is a Sweet natural gas, liquefied gas, the coal gas that blast furnace, converter, producer etc. produce.Can use solid fuel separately or geseous fuel, also can use gas, solid two kinds of fuel simultaneously.
The kiln of lime calcining described in the utility model is used for calcined limestone, rhombspar, metal or nonmetal pelletizing etc.The utility model has the advantages that compared with prior art: 1. use double-deck burning beam, connection and reasonable arrangement, intensity of combustion is big, makes the building stones calcining more fully, evenly, and activity of lime height, the quality of production are good; 2. every corresponding burner of fuel tube in the burning beam is convenient to control, and combustion distribution is even; 3. use two kinds of fuel calcinings, increased the handiness and the stability of operation; 4. be provided with suction bar in the kiln and can make full use of used heat warm-up combustion-supporting air and fuel, save the energy; Go up simultaneously suction bar suction flue gas, quicken burning and the heat transmission of fuel at calcining zone, following suction bar aspirates the hot gas after the cool lime, improves the cooling performance of lime; 5. upper and lower layer burning beam and following suction bar are provided with the cavity of heat-eliminating medium circulation, use heat-eliminating medium cooling beam body, avoid burning out equipment in beam body and the beam body, prolong the work-ing life of burning beam and suction bar.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model lime kiln device;
Fig. 2 is the layout drawing of upper strata burning beam;
Fig. 3 is the layout drawing of lower floor's burning beam;
Fig. 4 is for using gas, solid fuel combustion beam synoptic diagram;
Fig. 5 is a burning beam sectional view-1;
Fig. 6 is a burning beam sectional view-2;
Fig. 7 is a burning beam sectional view-3;
Fig. 8 is last suction bar diagrammatic cross-section;
Fig. 9 is a burning beam sectional view-4;
Figure 10 is using gas fuel combustion beam (wherein an a section) synoptic diagram;
Figure 11 is following suction bar synoptic diagram.
Embodiment
Use the limestone kiln of solid and two kinds of fuel of gas
The kiln of lime calcining described in the utility model mainly comprises kiln body and the feeder system that matches, firing system, discharge system, air feed system, Controlling System and heat-exchange system as shown in Figure 1.Divide opening for feed 1, storing district 2, preheating zone 5, calcining zone 7, cooling zone 10 and discharge port 11 in the kiln body 4.At calcining zone 7 upper strata burning beam 6, lower floor's burning beam 8 and peripheral burner are installed, peripheral burner is installed in the middle part of upper and lower layer burning beam.As Fig. 2, shown in Figure 3,4 upper strata burning beams 6 are equipped with on the upper strata of calcining zone, and 3 lower floor's burning beams 8 are equipped with in lower floor.Same grate firing burns Liangping row discharging, and even for making combustion distribution, the alternate discharging of upper and lower two-layer burning beam makes lower floor's burning beam just in time be positioned at the centre of two burning beams in upper strata.
As Fig. 4, shown in Figure 5, described burning beam is made of beam body 18, solid fuel pipe 19, fuel gas passage 20, combustion air passage 21.Burning beam is equipped with burner 23, and burner is to lower opening.Every burning beam is divided into two sections, comprises fuel gas passage 20, combustion air passage 21 and 5 solid fuel pipes 19 in every section.Fuel gas passage 20 and solid fuel pipe 19 pass through in combustion air passage 21, install relatively for two sections, and it is external to extend to kiln along opposite direction.Fuel gas passage and combustion air passage are box-shaped body, solid fuel Guan Weiyuan tubular body arranged inside.Every solid fuel pipe 19 connects a solid fuel burner; The geseous fuel burner is connected on the shared fuel gas passage 20.Solid fuel pipe 19 is connected with the solid fuel line, and fuel gas passage 20 is connected with the geseous fuel line by interface 30, and combustion air passage 21 is connected with the air feed line by air line interface 31.Solid fuel relies on air blast to deliver into burning beam and burner burns, for ease of control flame, every solid fuel pipe 19 is equipped with total regulated valve at the external valve that is equipped with of kiln on fuel gas passage 20 outer tubes, the inlet of fuel metering as required is with control flame.
The top of preheating zone 5 is installed 3 and is gone up suction bar 3 in the kiln body, is used to aspirate the high-temperature flue gas on top, preheating zone.As shown in Figure 8, last suction bar has two perforates 25 of arranging under being tilted to for circle tubular body arranged inside, the bottom of circle tubular body arranged inside 24, and perforate is circular.The medullary ray of perforate and the angle of vertical line are 45 °, and number of aperture is 2 * 10 of every suction bars, and perforated area is 150cm
2The centre of circle tubular body arranged inside 24 is separated by dividing plate, and with the suction bar separated into two parts, tubular body arranged inside two is connected with outer tube respectively.
The middle part in kiln body internal cooling district 10 is equipped with two following suction bars 9, is used to aspirate the hot gas after the cool lime of cooling zone.As shown in figure 11, following suction bar is the rectangle box-shaped body, and the bottom of box-shaped body 26 has suction orifice 28, and suction orifice is oval, and every suction bar has 10 suction orifices, and the area of each suction orifice is 150cm
2Identical with last suction bar, be provided with dividing plate 16 in the middle of the following suction bar box-shaped body, two of box-shaped body is connected with exterior tube.
For avoiding high temperature to burn out beam body and the intravital facility of beam, be provided with the cavity 22 of heat-eliminating medium circulation in the beam body 18 of upper and lower layer burning beam, be provided with the cavity 22 of heat-eliminating medium circulation in the following suction bar box-shaped body 26, use thermal oil to be heat-eliminating medium.
Described go up suction bar by take over respectively with combustion air interchanger 17 be connected with fly-ash separator 27, induced draft fan 15 successively again after fuel interchanger 13 is connected; After passing through adapter and air heat exchanger 12 is connected, described suction bar down is connected with fly-ash separator 27, induced draft fan 15 successively again.
The high-temperature gas that following suction bar 9 is extracted out carries out heat exchange through air heat exchanger 12 and combustion air; The high-temperature flue gas one tunnel that last suction bar is extracted out is through fuel interchanger 13 and fuel heat exchange, and heat exchange is carried out through combustion air interchanger 17 and combustion air in another road, and three the tunnel merge then, through fly-ash separator 27, enter induced draft fan 15, by chimney 14 emptyings.
The burning beam of using gas fuel
Described burning beam is divided into two sections, be installed in relatively in the beam body of burning beam, a fuel gas passage 20 and a combustion air passage 21 are arranged in every section, fuel gas passage 20 is passed through in combustion air passage 21, burner 23 is connected on the shared fuel gas passage 20, and regulated valve is equipped with in the adapter that is connected with fuel gas passage.As shown in Figure 7, fuel gas passage 20 and combustion air passage 21 are box-shaped body, and burner 23 is installed in the bottom of beam body 18.The cavity 22 that has heat-eliminating medium to pass through in the beam body 18 of burning beam uses thermal oil to be heat-eliminating medium.
As selection, as shown in Figure 6, the burner 23 of described burning beam is positioned at two sides of burning beam beam body 18, and both sides burner 23 is installed at relative position.
Embodiment 3
Shunt pilot-gas fuel combustion beam
Described burning beam is divided into two sections, is installed in relatively in the beam body of burning beam, as Fig. 9, shown in Figure 10,5 geseous fuel pipes 29 and combustion air passage 21 is arranged in every section, and the geseous fuel pipe passes through from the combustion air passage.Geseous fuel enters burner 23 along separate routes, and every geseous fuel pipe 29 connects a burner, and burner 23 is installed in the bottom of burning beam beam body 18.Every fuel tube (external at kiln) is provided with regulated valve, regulates the fuel quantity that enters burner, with control flame.The cavity 22 of heat-eliminating medium circulation is arranged in the beam body 18 of burning beam, use thermal oil to be heat-eliminating medium.
Claims (10)
1, a kind of kiln of lime calcining, mainly comprise kiln body, feeder system, firing system, discharge system, air feed system and Controlling System composition, divide opening for feed, preheating zone, calcining zone, cooling zone and discharge port in the kiln body, it is characterized in that: the calcining zone of described kiln (7) is equipped with upper and lower two-layer burning beam (6,8), and burning beam is provided with burner (23); Fuel conduit and combustion air passage (21) are arranged in the described burning beam; The top of the preheating zone of described kiln is provided with the last suction bar (3) of suction flue gas, and the middle part of the cooling zone of described kiln is provided with the following suction bar (9) of suction hot gas.
2, the kiln of lime calcining according to claim 1 is characterized in that: described calcining zone (7) is provided with peripheral burner; Described burning beam is divided into two sections from the centre, include fuel conduit and combustion air passage in every section; There are 3～6 burning beams on the calcining zone upper strata of described kiln, and there are 2～5 burning beams in lower floor; The top of the preheating zone of described kiln is provided with 2～5 and goes up suction bar (3), and the middle part of cooling zone is provided with 1～4 following suction bar (9).
3, the kiln of lime calcining according to claim 2 is characterized in that: contain 1～10 solid fuel pipe (19), fuel gas passage (20) and combustion air passage (21) in every section of described burning beam; Solid fuel pipe (19) connects burner along separate routes, and regulated valve is equipped with on every road; The geseous fuel burner is connected on the shared fuel gas passage (20), and regulated valve is equipped with in the adapter that is connected with fuel gas passage; Burner
(23) be located at the bottom of burning beam beam body (18).
4, the kiln of lime calcining according to claim 2, it is characterized in that: fuel gas passage (20) and combustion air passage (21) are arranged in every section of described burning beam, burner (23) is connected on the shared fuel gas passage (20), and burner is located at the bottom of burning beam beam body (18) or/and two sides.
5, the kiln of lime calcining according to claim 2 is characterized in that: 1～10 geseous fuel pipe (29) and combustion air passage (21) are arranged in every section of described burning beam; The geseous fuel pipe connects burner along separate routes, and burner (23) is located at the bottom of burning beam beam body (18), and every road is provided with regulated valve.
6, the kiln of lime calcining according to claim 1, it is characterized in that: the described suction bar (3) of going up is circle tubular body arranged inside (24), two openings of arranging under being tilted to (25) are arranged at the bottom of described round tubular body arranged inside, and the medullary ray of opening and the angle of vertical line are: 0～90 °.
7, the kiln of lime calcining according to claim 1 is characterized in that: described suction bar (9) down is a rectangle box-shaped body (26), and the bottom of described box-shaped body has suction orifice (28).
8, according to the kiln of claim 4 or 5 described lime calcinings, it is characterized in that: the cavity (22) that is provided with the heat-eliminating medium circulation in the beam body (18) of described upper and lower layer burning beam.
9, the kiln of lime calcining according to claim 7 is characterized in that: the cavity (22) that is provided with the heat-eliminating medium circulation in the described suction bar box-shaped body (26) down.
10, according to the kiln of the lime calcining described in claim 1 or 2, it is characterized in that: described go up suction bar by take over respectively with combustion air interchanger (17) be connected with fly-ash separator (27) and induced draft fan (15) again after fuel interchanger (13) is connected; Described suction bar down is connected with air heat exchanger (12), fly-ash separator (27) and induced draft fan (15) by taking over.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200780075U CN201258298Y (en) | 2008-07-25 | 2008-07-25 | Kiln for burning lime |
| JOP/2008/0451A JO3161B1 (en) | 2008-07-25 | 2008-10-12 | Kiln for producing lime |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200780075U CN201258298Y (en) | 2008-07-25 | 2008-07-25 | Kiln for burning lime |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201258298Y true CN201258298Y (en) | 2009-06-17 |
Family
ID=40772533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200780075U Expired - Lifetime CN201258298Y (en) | 2008-07-25 | 2008-07-25 | Kiln for burning lime |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201258298Y (en) |
| JO (1) | JO3161B1 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857383A (en) * | 2010-06-28 | 2010-10-13 | 贾会平 | Beam limekiln |
| CN101863627A (en) * | 2010-07-13 | 2010-10-20 | 贾会平 | Double-beam lime kiln |
| CN101871723A (en) * | 2010-06-08 | 2010-10-27 | 石家庄博广热能科技有限公司 | Internal combustion-type magnetic roasting shaft furnace |
| CN101921074A (en) * | 2010-08-31 | 2010-12-22 | 贾会平 | Beam-type limekiln |
| CN102353273A (en) * | 2011-07-22 | 2012-02-15 | 石家庄市新华工业炉有限公司 | Method and device for using low temperature heat of lime kiln |
| CN102557491A (en) * | 2012-03-19 | 2012-07-11 | 石家庄市新华工业炉有限公司 | Compound combustion beam for lime kiln |
| CN101788224B (en) * | 2010-02-02 | 2012-10-10 | 贾会平 | Vertical gas-burning cement kiln |
| CN102992660A (en) * | 2012-12-25 | 2013-03-27 | 石家庄新华能源环保科技股份有限公司 | Low-heat value fuel lime kiln |
| CN102992661A (en) * | 2012-12-25 | 2013-03-27 | 石家庄新华能源环保科技股份有限公司 | Beam type heat storage lime kiln |
| CN103134304A (en) * | 2011-11-25 | 2013-06-05 | 中冶长天国际工程有限责任公司 | Roasting shaft furnace |
| CN105236772A (en) * | 2015-10-23 | 2016-01-13 | 石家庄新华能源环保科技股份有限公司 | Shaft kiln-partition rotary kiln combination unit |
| CN106186739A (en) * | 2015-05-05 | 2016-12-07 | 武汉艾蒙窑炉技术有限公司 | There is the bulk material roasting shaft kiln of arched girder |
| CN111003950A (en) * | 2020-01-21 | 2020-04-14 | 上海柯来浦能源科技有限公司 | Beam kiln for producing lime |
| CN111006500A (en) * | 2019-11-13 | 2020-04-14 | 石家庄新华能源环保科技股份有限公司 | Industrial shaft kiln for producing lime |
-
2008
- 2008-07-25 CN CNU2008200780075U patent/CN201258298Y/en not_active Expired - Lifetime
- 2008-10-12 JO JOP/2008/0451A patent/JO3161B1/en active
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788224B (en) * | 2010-02-02 | 2012-10-10 | 贾会平 | Vertical gas-burning cement kiln |
| CN101871723A (en) * | 2010-06-08 | 2010-10-27 | 石家庄博广热能科技有限公司 | Internal combustion-type magnetic roasting shaft furnace |
| CN101857383B (en) * | 2010-06-28 | 2012-04-18 | 贾会平 | Beam limekiln |
| CN101857383A (en) * | 2010-06-28 | 2010-10-13 | 贾会平 | Beam limekiln |
| CN101863627A (en) * | 2010-07-13 | 2010-10-20 | 贾会平 | Double-beam lime kiln |
| CN101921074A (en) * | 2010-08-31 | 2010-12-22 | 贾会平 | Beam-type limekiln |
| CN101921074B (en) * | 2010-08-31 | 2012-07-04 | 贾会平 | Beam-type limekiln |
| CN102353273A (en) * | 2011-07-22 | 2012-02-15 | 石家庄市新华工业炉有限公司 | Method and device for using low temperature heat of lime kiln |
| CN103134304A (en) * | 2011-11-25 | 2013-06-05 | 中冶长天国际工程有限责任公司 | Roasting shaft furnace |
| CN103134304B (en) * | 2011-11-25 | 2015-08-19 | 中冶长天国际工程有限责任公司 | A kind of vertical baking furnace |
| CN102557491A (en) * | 2012-03-19 | 2012-07-11 | 石家庄市新华工业炉有限公司 | Compound combustion beam for lime kiln |
| CN102992661A (en) * | 2012-12-25 | 2013-03-27 | 石家庄新华能源环保科技股份有限公司 | Beam type heat storage lime kiln |
| CN102992660B (en) * | 2012-12-25 | 2014-05-21 | 石家庄新华能源环保科技股份有限公司 | Low-heat value fuel lime kiln |
| CN102992661B (en) * | 2012-12-25 | 2014-05-21 | 石家庄新华能源环保科技股份有限公司 | Beam type heat storage lime kiln |
| CN102992660A (en) * | 2012-12-25 | 2013-03-27 | 石家庄新华能源环保科技股份有限公司 | Low-heat value fuel lime kiln |
| CN106186739A (en) * | 2015-05-05 | 2016-12-07 | 武汉艾蒙窑炉技术有限公司 | There is the bulk material roasting shaft kiln of arched girder |
| CN106186739B (en) * | 2015-05-05 | 2018-05-22 | 武汉艾蒙窑炉技术有限公司 | Bulk material roasting shaft kiln with arched girder |
| CN105236772A (en) * | 2015-10-23 | 2016-01-13 | 石家庄新华能源环保科技股份有限公司 | Shaft kiln-partition rotary kiln combination unit |
| CN111006500A (en) * | 2019-11-13 | 2020-04-14 | 石家庄新华能源环保科技股份有限公司 | Industrial shaft kiln for producing lime |
| CN111003950A (en) * | 2020-01-21 | 2020-04-14 | 上海柯来浦能源科技有限公司 | Beam kiln for producing lime |
Also Published As
| Publication number | Publication date |
|---|---|
| JO3161B1 (en) | 2017-09-20 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20130114 Address after: 051431 Hebei city of Shijiazhuang province Luancheng douyu town equipment manufacturing base of Xinhua Road No. 6 (douyu West Middle School) Patentee after: Shijiazhuang Xinhua Energy and Environmental Protection Technology Co., Ltd. Address before: 050091 Hebei city of Shijiazhuang Province in the South Street Palace Road No. 88 Patentee before: Jia Huiping |
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