CN208266115U - A kind of big-inclination rotary kiln - Google Patents
A kind of big-inclination rotary kiln Download PDFInfo
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- CN208266115U CN208266115U CN201820853070.5U CN201820853070U CN208266115U CN 208266115 U CN208266115 U CN 208266115U CN 201820853070 U CN201820853070 U CN 201820853070U CN 208266115 U CN208266115 U CN 208266115U
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Abstract
The utility model provides a kind of big-inclination rotary kiln, belongs to rotary kiln technology.The rotary kiln includes rotary kiln basis, pedestal, rotary kiln ontology, heating mechanism, transmission mechanism and supporting mechanism.Pedestal is fixedly installed on rotary kiln basis, heating mechanism is axially set in the furnace chamber of rotary kiln ontology along rotary kiln ontology, have between the internal diameter and heating mechanism of rotary kiln ontology for the pyrolysis space as pyrolysis of coal channel, transmission mechanism is fixedly connected with the outer wall of rotary kiln ontology and is used to that rotary kiln ontology to be driven to turn round, and supporting mechanism rolling is set to pedestal and is connect with the outer wall of rotary kiln ontology to be used to support the weight of rotary kiln ontology.Rotary kiln ontology is in be greater than 5% and the gradient less than 25% with the horizontal direction after assembly with ground.The rotary kiln has biggish gradient, can make coal motion of matter speed faster, and coal substance heat transfer exchanges more evenly, and coal substance treating capacity is bigger, more efficient.
Description
Technical field
The utility model relates to rotary kiln technologies, and in particular to a kind of big-inclination rotary kiln.
Background technique
Rotary kiln is commonly used in the production of cement, is also used for pyrolysis of coal field.Since cement material density is relatively large, institute
With the gradient that is arranged between cement kiln kiln body and horizontal plane usually between 2%-5%, maximum is no more than 5%；Pyrolysis of coal is set
The rotary kiln gradient maximum of meter is also no more than 5%.
However, the coal or than the density of coal more smaller material, gradient still routinely smaller for material density is set
Rotary kiln is counted, processing capacity just seems insufficient, high production cost.
Utility model content
One of the purpose of this utility model includes providing a kind of big-inclination rotary kiln, which has biggish inclination
Degree, can make coal motion of matter speed faster, and coal substance heat transfer exchanges more evenly, and coal substance treating capacity is bigger, more efficient.
The utility model solves its technical problem using including following technical scheme to realize:
The utility model embodiment proposes a kind of big-inclination rotary kiln comprising rotary kiln basis, pedestal, rotary kiln
Ontology, heating mechanism, transmission mechanism and supporting mechanism.
Pedestal is fixedly installed on rotary kiln basis, and heating mechanism is axially set in rotary kiln ontology along rotary kiln ontology
In furnace chamber, have between the internal diameter and heating mechanism of rotary kiln ontology for the pyrolysis space as pyrolysis of coal channel, driver
Structure is fixedly connected with the outer wall of rotary kiln ontology and is used to that rotary kiln ontology to be driven to turn round, and supporting mechanism rolling is set to pedestal simultaneously
It is connect with the outer wall of rotary kiln ontology to be used to support the weight of rotary kiln ontology.
Rotary kiln ontology is in be greater than 5% and the gradient less than 25% with the horizontal direction after assembly with ground.
Further, in the utility model preferred embodiment, rotary kiln ontology has the level side after assembled with ground
To the gradient for being in 6-12%.
Further, in the utility model preferred embodiment, transmission mechanism includes gear wheel, pinion gear and motor,
Gear wheel is sheathed on the outer wall of rotary kiln ontology and relatively fixed with outer wall, and the output shaft of motor is connect with pinion gear, pinion gear
It is engaged with gear wheel.
Further, in the utility model preferred embodiment, supporting mechanism includes wheel belt and support roller, and wheel belt is sheathed on
The outer wall of rotary kiln ontology and relatively fixed with outer wall, support roller rolling are set to pedestal and roll with wheel belt and connect.
Further, in the utility model preferred embodiment, big-inclination rotary kiln further includes hydraulic blocking wheel mechanism, liquid
Pressure gear wheel mechanism is arranged perpendicular to wheel belt and contacts with wheel belt.
Further, in the utility model preferred embodiment, the quantity of supporting mechanism is multiple, multiple supporting mechanism edges
The axially spaced-apart of rotary kiln ontology is distributed, and two supporting mechanisms positioned at both ends are equipped with a hydraulic blocking wheel mechanism,
The hydraulic system of Liang Ge hydraulic blocking wheel mechanism is controlled by same PC module to reach synchronous driving Liang Ge hydraulic blocking wheel mechanism
And Shi Liangge hydraulic blocking wheel mechanism moves simultaneously with corresponding wheel belt.
Further, in the utility model preferred embodiment, the quantity of supporting mechanism is 3, and 3 supporting mechanisms edges are returned
The axially spaced-apart of rotary kiln ontology is distributed, and 3 supporting mechanisms are equipped with a hydraulic blocking wheel mechanism, 3 hydraulic blocking wheel machines
The hydraulic system of structure is controlled by same PC module to reach 3 hydraulic blocking wheel mechanisms of synchronous driving and make 3 hydraulic blocking wheels
Mechanism moves simultaneously with corresponding wheel belt.
Further, in the utility model preferred embodiment, heating mechanism includes more flue gas pipelines, more cigarettes
Gas heating pipe is arranged in an axially parallel mode along rotary kiln ontology.
Further, in the utility model preferred embodiment, big-inclination rotary kiln further includes kiln head cover and kiln hood,
Kiln head cover is set to the head end of rotary kiln ontology, and kiln hood is set to the aft end of rotary kiln ontology.
Further, in the utility model preferred embodiment, big-inclination rotary kiln further include feed inlet, discharge port with
And pyrolysis gas outlet, feed inlet are set to kiln head cover and are connected to furnace chamber, discharge port and pyrolysis gas outlet are all set in kiln hood
And discharge port and pyrolysis gas outlet are connected to furnace chamber.
The beneficial effect of big-inclination rotary kiln includes: in the utility model embodiment
Big-inclination rotary kiln provided by the present embodiment (greater than 5% and is less than by the way that biggish gradient is arranged
25%) coal motion of matter speed, can be made faster, coal substance heat transfer exchanges more evenly, and coal substance treating capacity is bigger, efficiency
It is higher.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is that there are two the structures of the big-inclination rotary kiln of hydraulic blocking wheel mechanism for tool provided by the embodiment of the utility model
Schematic diagram；
Fig. 2 is the structure of the big-inclination rotary kiln with 3 hydraulic blocking wheel mechanisms provided by the embodiment of the utility model
Schematic diagram.
Icon: 1- rotary kiln ontology；2- kiln head cover；3- kiln hood；4- heating mechanism；5- transmission mechanism；51- gear wheel；
52- pinion gear；53- motor；6- supporting mechanism；61- wheel belt；62- support roller；7- hydraulic blocking wheel mechanism；8- feed inlet；9- discharging
Mouthful；10- pyrolysis gas outlet；11- rotary kiln basis；12- pedestal；13-PC module.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "lower", "inner", "outside"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In addition, the terms such as term " vertical " are not offered as requiring component absolute upright, but can be slightly tilted.As " hung down
Directly " only refer to that its direction is more vertical with respect to for "horizontal", be not indicate the structure have to it is completely vertical, but can
To be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It is specifically described with reference to embodiments.
Embodiment
The utility model embodiment provides a kind of big-inclination rotary kiln, please with reference to Fig. 1 and Fig. 2, the big-inclination
Rotary kiln includes rotary kiln basis 11, pedestal 12, rotary kiln ontology 1, heating mechanism 4, transmission mechanism 5 and supporting mechanism 6.
Pedestal 12 is fixedly installed on rotary kiln basis 11, and heating mechanism 4 is axially set in rotary kiln along rotary kiln ontology 1
Have in the furnace chamber of ontology 1, between the internal diameter and heating mechanism 4 of rotary kiln ontology 1 empty for the pyrolysis as pyrolysis of coal channel
Between, transmission mechanism 5 is fixedly connected with the outer wall of rotary kiln ontology 1 and is used to that rotary kiln ontology 1 to be driven to turn round, and supporting mechanism 6 rolls
It is dynamic to be set to pedestal 12 and connect with the outer wall of rotary kiln ontology 1 to be used to support the weight of rotary kiln ontology 1.
Preferably, rotary kiln ontology 1 is in be greater than 5% and the inclination less than 25% with the horizontal direction after assembly with ground
Degree, such as 15%, 18%, 20% and 22% etc..Big-inclination under above range can be such that the flowing velocity of material significantly adds
Fastly, material handling capacity increases, and the unit cost of production reduces.In addition, the setting of big-inclination can also make to turn round with general gradient
When kiln handles identical inventory, the rotation speed of rotary kiln ontology 1 is reduced, sealing or the abrasion of wheel belt 61 is significantly reduced, prolongs
The service life of long big-inclination rotary kiln.
In some preferred embodiments, rotary kiln ontology 1 is in 6-12% with the horizontal direction after assembly with ground
Gradient, such as 6%, 8%, 10% and 12% etc..Gradient degree controls within 12%, can avoid rotary kiln ontology 1 to liquid
Pressure gear wheel mechanism 7 generates excessive active force.
It can refer to ground, above-mentioned transmission mechanism 5 may include gear wheel 51, pinion gear 52 and motor 53, and gear wheel 51 is arranged
In rotary kiln ontology 1 outer wall and with outer wall it is relatively fixed, the output shaft of motor 53 is connect and driving pinion with pinion gear 52
52 rotations, pinion gear 52 engage with gear wheel 51 and drive gear wheel 51 to rotate by pinion gear 52, and the rotation of gear wheel 51 is in turn
Rotary kiln ontology 1 is driven to rotate forward or backwards, to realize the revolution of rotary kiln ontology 1.
It can refer to ground, above-mentioned supporting mechanism 6 includes wheel belt 61 and support roller 62, and wheel belt 61 is sheathed on rotary kiln ontology 1
Outer wall and relatively fixed with outer wall, the rolling of support roller 62 are set to pedestal 12 and roll with wheel belt 61 and connect.Above-mentioned 6 energy of supporting mechanism
Whole gravity (gravity including refractory brick, interior arrangement and material etc.) of rotary kiln ontology 1 are passed into support roller 62, and are made back
Rotary kiln ontology 1 can smoothly turn round on support roller 62.In addition, wheel belt 61 can also enhance the radial rigidity of rotary kiln ontology 1.
Further, big-inclination rotary kiln further includes hydraulic blocking wheel mechanism 7, and hydraulic blocking wheel mechanism 7 is perpendicular to wheel belt 61
Setting, hydraulic blocking wheel mechanism 7 are contacted with wheel belt 61.It, on the one hand being capable of regulating wheel band 61 and support by the way that hydraulic blocking wheel mechanism 7 is arranged
62 uniform scratch are taken turns, the service life of wheel belt 61 and support roller 62 is extended, on the other hand can play limitation or control rotary kiln ontology 1
Axial float effect.
In some preferred embodiments, the quantity of supporting mechanism 6 is multiple, and multiple supporting mechanisms 6 are along rotary kiln sheet
The axially spaced-apart of body 1 is distributed, and two (one end one) supporting mechanisms 6 positioned at both ends are equipped with a hydraulic blocking wheel machine
Structure 7 (please refers to Fig. 1), and the hydraulic system of Liang Ge hydraulic blocking wheel mechanism 7 is controlled by same PC module 13 to reach synchronous drive
Simultaneously Shi Liangge hydraulic blocking wheel mechanism 7 moves simultaneously with corresponding wheel belt 61 for Dong Liangge hydraulic blocking wheel mechanism 7, disperses rotary kiln ontology
The active force of 1 pair of hydraulic blocking wheel mechanism 7.
Specifically, the drive system of Liang Ge hydraulic blocking wheel mechanism 7 is connect with the control by PC module 13 with PC module 13,
PC module 13 is controlled the output of pressure, is made each hydraulic by the size of the cylinder pressure of detection Liang Ge hydraulic blocking wheel mechanism 7
Identical power is born by gear wheel mechanism 7, and hydraulic blocking wheel mechanism 7 stretches equivalent distance, to keep position caused by expanding with heat and contract with cold inclined
Shifting is compensated, and horizontal component is evenly distributed.
In some preferred embodiments, referring to figure 2., the quantity of supporting mechanism 6 can be 3, transmission mechanism 5
Quantity is 1.3 supporting mechanisms 6 are distributed along the axially spaced-apart of rotary kiln ontology 1, and transmission mechanism 5 is set to the two of arbitrary neighborhood
Between a supporting mechanism 6.3 supporting mechanisms 6 are equipped with 7,3 hydraulic blocking wheel mechanisms 7 of a hydraulic blocking wheel mechanism
Hydraulic system is controlled by same PC module 13 to reach 3 hydraulic blocking wheel mechanisms 7 of synchronous driving and make 3 hydraulic blocking wheel machines
Structure 7 moves simultaneously with corresponding wheel belt 61, active force of the dispersion rotary kiln ontology 1 to hydraulic blocking wheel mechanism 7.
Specifically, the drive system of 3 hydraulic blocking wheel mechanisms 7 is connect with the control by PC module 13 with PC module 13,
PC module 13 is controlled the output of pressure, is made each hydraulic by the size of the cylinder pressure of 3 hydraulic blocking wheel mechanisms 7 of detection
Identical power is born by gear wheel mechanism 7, and hydraulic blocking wheel mechanism 7 stretches equivalent distance, to keep position caused by expanding with heat and contract with cold inclined
Shifting is compensated, and horizontal component is evenly distributed.
No less than Liang Ge hydraulic blocking wheel mechanism 7 can play dispersion rotary kiln ontology 1 and produce to some hydraulic blocking wheel mechanism 7
Raw excessive active force, extends the service life of hydraulic blocking wheel mechanism 7.Hydraulic blocking wheel mechanism 7 is controlled by PC module 13, so that two
And its above 7 simultaneous displacement of hydraulic blocking wheel mechanism, to divide equally rotary kiln ontology 1 to the active force of hydraulic blocking wheel mechanism 7, protection
Each hydraulic blocking wheel mechanism 7.
Further, above-mentioned rotary kiln basis 11 is arranged along the direction in parallel place, and rotary kiln basis 11 is used to be arranged
The side of pedestal 12 is equipped with the first column and the second column.Wherein, the first column is for being arranged motor 53, and the second column is for setting
Bottom set seat 12.When pedestal 12 is multiple, the second column is also multiple, and multiple pedestals 12 and multiple second columns one are a pair of
It answers.The height of multiple second columns successively reduce or increase along same level direction so that rotary kiln ontology 1 have assembly after with
The horizontal direction on ground is in the gradient of required gradient (being greater than 5 ° and less than 25 °).
Preferably, the surface for pedestal 12 or motor 53 to be arranged of above-mentioned first column and the second column is nauropemeter
Face and gradient and inclined direction are consistent.
Further, heating mechanism 4 includes more flue gas pipelines, and more flue gas pipelines are along rotary kiln ontology 1
Be arranged in an axially parallel mode.
Big-inclination rotary kiln further includes kiln head cover 2 and kiln hood 3, and kiln head cover 2 is set to the head end of rotary kiln ontology 1,
Kiln hood 3 is set to the aft end of rotary kiln ontology 1.
Big-inclination rotary kiln further includes feed inlet 8, discharge port 9 and pyrolysis gas outlet 10, and feed inlet 8 is set to kiln hood
Cover 2 simultaneously be connected to furnace chamber, discharge port 9 and pyrolysis gas outlet 10 be all set in kiln hood 3 and discharge port 9 and pyrolysis gas outlet 10
It is connected to furnace chamber.
By comparison, by this programme provide big-inclination (such as 6% and 12%) setting, the conveying speed of material and
More usual 3 ° of the inclination angle of total amount of conveying material in unit time all has raising by a larger margin, can make yield close at
It improves again, benefit is doubled and redoubled, and equipment investment is opposite and fewer.
To sum up, big-inclination rotary kiln provided by the utility model embodiment (is greater than by the way that biggish gradient is arranged
5 ° and less than 25 °), coal motion of matter speed can be made faster, coal substance heat transfer exchange more evenly, coal substance treating capacity is more
Greatly, more efficient.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of big-inclination rotary kiln, which is characterized in that including rotary kiln basis, pedestal, rotary kiln ontology, heating mechanism,
Transmission mechanism and supporting mechanism；
The pedestal is fixedly installed on the rotary kiln basis, and the heating mechanism is axially set in along the rotary kiln ontology
Have in the furnace chamber of the rotary kiln ontology, between the internal diameter and the heating mechanism of the rotary kiln ontology for as coal heat
The pyrolysis space in channel is solved, the transmission mechanism is fixedly connected with the outer wall of the rotary kiln ontology and is used to drive the revolution
The revolution of kiln ontology, the supporting mechanism rolling are set to the pedestal and connect with the outer wall of the rotary kiln ontology for branch
Support the weight of the rotary kiln ontology；
The rotary kiln ontology is in be greater than 5% and the gradient less than 25% with the horizontal direction after assembly with ground.
2. big-inclination rotary kiln according to claim 1, which is characterized in that the rotary kiln ontology have assembly after with
The horizontal direction on ground is in the gradient of 6-12%.
3. big-inclination rotary kiln according to claim 1 or 2, which is characterized in that the transmission mechanism include gear wheel,
Pinion gear and motor, the gear wheel is sheathed on the outer wall of the rotary kiln ontology and relatively fixed with the outer wall, described
The output shaft of motor is connect with the pinion gear, and the pinion gear is engaged with the gear wheel.
4. big-inclination rotary kiln according to claim 3, which is characterized in that the supporting mechanism includes wheel belt and support
Wheel, the wheel belt are sheathed on the outer wall of the rotary kiln ontology and relatively fixed with the outer wall, and the support roller rolling is set to
The pedestal and with the wheel belt roll connect.
5. big-inclination rotary kiln according to claim 4, which is characterized in that the big-inclination rotary kiln further includes liquid
Gear wheel mechanism is pressed, the hydraulic blocking wheel mechanism is arranged and contacts with the wheel belt perpendicular to the wheel belt for limiting or controlling
The axial float of the rotary kiln ontology.
6. big-inclination rotary kiln according to claim 5, which is characterized in that the quantity of the supporting mechanism be it is multiple,
Multiple supporting mechanisms are distributed along the axially spaced-apart of the rotary kiln ontology, and two supporting mechanisms positioned at both ends are matched
Conjunction is provided with the hydraulic blocking wheel mechanism, and the hydraulic system of two hydraulic blocking wheel mechanisms passes through same PC module control
System is to reach two hydraulic blocking wheel mechanisms of synchronous driving and make two hydraulic blocking wheel mechanisms and the corresponding wheel belt
It is mobile simultaneously.
7. big-inclination rotary kiln according to claim 6, which is characterized in that the quantity of the supporting mechanism be 3,3
A supporting mechanism is distributed along the axially spaced-apart of the rotary kiln ontology, and 3 supporting mechanisms are equipped with one
The hydraulic blocking wheel mechanism, the hydraulic system of 3 hydraulic blocking wheel mechanisms are controlled by same PC module to reach synchronous
3 hydraulic blocking wheel mechanisms of driving simultaneously move 3 hydraulic blocking wheel mechanisms simultaneously with the corresponding wheel belt.
8. big-inclination rotary kiln according to claim 1, which is characterized in that the heating mechanism includes that more flue gases add
Heat pipeline, more flue gas pipeline being arranged in an axially parallel mode along the rotary kiln ontology.
9. big-inclination rotary kiln according to claim 1, which is characterized in that the big-inclination rotary kiln further includes kiln
Head-shield and kiln hood, the kiln head cover are set to the head end of the rotary kiln ontology, and the kiln hood is set to the rotary kiln sheet
The aft end of body.
10. big-inclination rotary kiln according to claim 9, which is characterized in that the big-inclination rotary kiln further includes
Feed inlet, discharge port and pyrolysis gas outlet, the feed inlet are set to the kiln head cover and are connected to the furnace chamber, it is described go out
Material mouth and the pyrolysis gas outlet be all set in the kiln hood and the discharge port and the pyrolysis gas outlet with the kiln
Chamber connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820853070.5U CN208266115U (en) | 2018-06-01 | 2018-06-01 | A kind of big-inclination rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820853070.5U CN208266115U (en) | 2018-06-01 | 2018-06-01 | A kind of big-inclination rotary kiln |
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| Publication Number | Publication Date |
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| CN208266115U true CN208266115U (en) | 2018-12-21 |
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ID=64688938
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| CN201820853070.5U Active CN208266115U (en) | 2018-06-01 | 2018-06-01 | A kind of big-inclination rotary kiln |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426185A (en) * | 2020-04-22 | 2020-07-17 | 程亮 | Cement production rotary kiln body with rolling ring adjusting mechanism |
| CN115930232A (en) * | 2023-03-15 | 2023-04-07 | 武安市新峰水泥有限责任公司 | A cement kiln for endangering useless processing |
-
2018
- 2018-06-01 CN CN201820853070.5U patent/CN208266115U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426185A (en) * | 2020-04-22 | 2020-07-17 | 程亮 | Cement production rotary kiln body with rolling ring adjusting mechanism |
| CN111426185B (en) * | 2020-04-22 | 2021-11-02 | 西藏昌都高争建材股份有限公司 | Cement production rotary kiln body with rolling ring adjusting mechanism |
| CN115930232A (en) * | 2023-03-15 | 2023-04-07 | 武安市新峰水泥有限责任公司 | A cement kiln for endangering useless processing |
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Effective date of registration: 20220627 Address after: 474571 industrial cluster of hongshiqiao village, HUICHE Town, Xixia County, Nanyang City, Henan Province Patentee after: HENAN LONGCHENG COAL HIGH EFFICIENCY TECHNOLOGY APPLICATION Co.,Ltd. Patentee after: Hebei Longcheng coal comprehensive utilization Co., Ltd Address before: 473000 industrial cluster area, hongshiqiao village, HUICHE Town, Xixia County, Nanyang City, Henan Province Patentee before: HENAN LONGCHENG COAL HIGH EFFICIENCY TECHNOLOGY APPLICATION Co.,Ltd. Patentee before: Shaanxi Longcheng coal clean and efficient utilization Co., Ltd |
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