CN114276030A - Kiln channel dredging device of double-chamber lime kiln and using method thereof - Google Patents

Kiln channel dredging device of double-chamber lime kiln and using method thereof Download PDF

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Publication number
CN114276030A
CN114276030A CN202210117614.2A CN202210117614A CN114276030A CN 114276030 A CN114276030 A CN 114276030A CN 202210117614 A CN202210117614 A CN 202210117614A CN 114276030 A CN114276030 A CN 114276030A
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China
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kiln
air
cannon
chamber
air cannon
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CN202210117614.2A
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Chinese (zh)
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毕应
闫献民
殷懿
张文龙
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Wugang Industrial Development Co ltd
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Wugang Industrial Development Co ltd
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Abstract

The invention discloses a kiln channel dredging device of a double-hearth lime kiln and a using method thereof, the kiln channel dredging device comprises two kiln hearths and a connecting channel for connecting the two kiln hearths, ten first air cannon mechanisms are arranged on each kiln chamber in an annular array, two second air cannon mechanisms are arranged on the connecting channel, each first air cannon mechanism comprises a first cannon body, a first support for integral fixation is fixedly arranged on each first cannon body, the upper end of each first cannon body is connected with a first electromagnetic valve, the lower end of each first cannon body is connected with an air injection pipe, each first cannon body is further provided with a first air inlet pipe and a first safety valve, a kiln channel is continuously swept, powder ash can be timely cleaned, the smoothness of airflow of the kiln channel is ensured, the installation is simple, manpower and material resources are saved, the smooth running of production is ensured, the product quality is improved, and the production is stable, The yield is increased, the guarantee is provided, and the quality stability of the product is ensured.

Description

Kiln channel dredging device of double-chamber lime kiln and using method thereof
Technical Field
The invention relates to the field of kiln channel dredging, in particular to a kiln channel dredging device of a double-chamber lime kiln and a using method thereof.
Background
The material calcining in the double-chamber lime kiln is realized by solid-phase and gas-phase heat exchange between material air flows, the air flow distribution and air flow in the kiln directly determine the thermal regulation of the shaft kiln, and the purity and the block ratio of limestone entering the kiln determine the air permeability in the kiln. Under normal conditions, a vibrating screen system is used for screening fine powder, powder dust is generated in a kiln body through a screen in rainy seasons and abnormal loading and unloading, a kiln channel is easy to block, airflow obstruction is caused, the temperatures of two kilns are unbalanced, and the quality of finished product dust is directly influenced.
The channel blockage is easily caused in a period of production, the pressure of a kiln body is influenced, manual cleaning is needed, time and labor are wasted, the yield is influenced, the damage to refractory bricks is large, and the service life of refractory materials is seriously influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the kiln channel dredging device of the double-chamber lime kiln and the using method thereof, the kiln channel can be continuously swept, so that the fly ash can be timely cleaned, the smooth air flow of the kiln channel is ensured, the installation is simple, the manpower and material resources are saved, the smooth production is ensured, the product quality is improved, the guarantee is provided for stable and improved production, and the quality stability of the product is ensured.
Technical scheme
The kiln channel dredging device of the double-bore lime kiln comprises two kiln bores and a connecting channel for connecting the two kiln bores, wherein ten first air cannon mechanisms are arranged on each kiln bore in an annular array manner, two second air cannon mechanisms are arranged on the connecting channel, each first air cannon mechanism comprises a first cannon body, a first support for integral fixation is fixedly arranged on each first cannon body, the upper end of each first cannon body is connected with a first electromagnetic valve, the lower end of each first cannon body is connected with an air injection pipe, each first cannon body is further provided with a first air inlet pipe and a first safety valve, each second air cannon mechanism comprises a second cannon body, each second cannon body is fixedly arranged on a second support, two sides of each second cannon body are respectively connected with a nozzle and a metal hose, each metal hose is provided with a second electromagnetic valve, one end, far away from each second cannon body, is provided with a second air inlet pipe, and a second safety valve and a sewage draining outlet are also arranged on the second gun body.
Further, the size of the first gun body is 400x700mm, and the size of the second gun body is 500x1000 mm.
Further, the first gun body and the second gun body are used for storing air and are made of Q235B steel plates.
Furthermore, the opening pressure of the first safety valve and the second safety valve is 0.8Mpa, and the first safety valve and the second safety valve can be automatically opened to reduce the pressure when the air pressure exceeds the highest working pressure of the air cannon mechanism, so that the use safety of the air cannon is ensured.
Furthermore, the end surfaces of the air injection pipe and the nozzle are ground by adopting special equipment, so that the air gun has good sealing performance, and the air gun stops leakage and saves energy when storing air.
Further, the first air cannon mechanism and the second air cannon mechanism are further provided with release assemblies (not shown) which can prevent materials from entering the cannon body.
Further, the first air cannon mechanism and the second air cannon mechanism are used for converting the pressure energy of the air into air jet power energy and generating strong impact force.
A use method of a kiln channel dredging device of a double-chamber lime kiln comprises the following specific steps:
after the combustion of the left kiln chamber is finished, the 10 first air cannon mechanisms distributed around the left kiln chamber are sequentially swept at intervals, the sweeping time lasts for 2 seconds, namely, only 5 first air cannon mechanisms which are respectively spaced from each other operate in sequence in a first round, and the specific interval time is distributed as follows:
after sintering is finished, the first air cannon mechanism starts to purge after 60 seconds, then the first air cannon mechanism distributed at intervals with the first air cannon mechanism purges again after 150 seconds, and a first round of operation is finished until five times of purges are finished;
the second round of purging is completed by 5 first air cannon mechanisms which do not work in the first round, and the specific sequence and the interval time are the same as those of the first round;
simultaneously, the kiln chambers on the two sides are swept in turn, namely after the kiln chamber on the left side finishes the first round of sweeping, the kiln chamber on the right side also carries out the first round of sweeping by 5 first air cannon mechanisms at intervals, and then the kiln chamber on the left side carries out the second round of sweeping;
the purging sequence of the left kiln chamber is anticlockwise purging at intervals, and the purging sequence of the right kiln chamber is clockwise purging at intervals;
the two second air cannon mechanisms of the communication channel work as follows: and after reversing for 20 seconds, one second air cannon mechanism starts to purge, and after 10 seconds, the other second air cannon mechanism starts to purge, and according to the step, each round of purging is carried out, and the purging is matched with the 10 air cannon mechanisms of the kiln chambers at two sides to work together.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
the continuous blowing of the kiln channel ensures that the powder ash can be cleaned in time, ensures the smooth airflow of the kiln channel, has simple installation, saves manpower and material resources, ensures the smooth production, improves the product quality, provides guarantee for stable and improved production and ensures the quality stability of the product.
Drawings
FIG. 1 is a schematic structural diagram of a first air cannon mechanism in a kiln chamber channel dredging device of a double-chamber lime kiln of the invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of the distribution of the air cannon mechanism;
FIG. 4 is a schematic structural view of a second air cannon mechanism.
Reference numerals
The device comprises a first electromagnetic valve 1, a first support 2, an air injection pipe 3, a first gun body 4, a first air inlet pipe 5, a first safety valve 6, a connecting channel 7, a kiln chamber 8, a nozzle 9, a second safety valve 10, a second support 11, a second gun body 12, a sewage discharge outlet 13, a second electromagnetic valve 14, a metal hose 15, a second air inlet pipe 16, a first air gun mechanism 30 and a second air gun mechanism 40.
Detailed Description
For a better illustration of the invention, reference is made to the following description, taken in conjunction with the accompanying drawings and examples:
as shown in fig. 1-4, the invention discloses a kiln channel dredging device of a double-chamber lime kiln, which comprises two kiln chambers 8 and a connecting channel 7 connecting the two kiln chambers 8, wherein ten first air cannon mechanisms 30 are arranged on each kiln chamber 8 in an annular array, two second air cannon mechanisms 40 are arranged on the connecting channel 7, each first air cannon mechanism 30 comprises a first cannon body 4, a first support 2 for integral fixation is fixedly arranged on each first cannon body 4, the upper end of each first cannon body 4 is connected with a first electromagnetic valve 1, the lower end of each first cannon body 4 is connected with an air injection pipe 3, each first cannon body 4 is further provided with a first air inlet pipe 5 and a first safety valve 6, each second air cannon mechanism 40 comprises a second cannon body 12, each second cannon body 12 is fixedly arranged on a second support 11, two sides of each second cannon body 12 are respectively connected with a nozzle 9 and a metal hose 15, the metal hose 15 is provided with a second electromagnetic valve 14, one end of the metal hose 15, which is far away from the second gun body 12, is provided with a second air inlet pipe 16, and the second gun body 12 is further provided with a second safety valve 10 and a sewage outlet 13.
Further, the first gun body 4 has the size phi 400x700mm, and the second gun body 12 has the size phi 500x1000 mm.
Further, the first gun body 4 and the second gun body 12 are used for storing air and are made of Q235B steel plates.
Furthermore, the opening pressure of the first safety valve 6 and the second safety valve 10 is 0.8Mpa, and when the air pressure exceeds the highest working pressure of the air cannon mechanism, the air cannon mechanism can be automatically opened to reduce the pressure, so that the use safety of the air cannon is ensured.
Furthermore, the end surfaces of the gas ejector 3 and the nozzle 9 are ground by adopting special equipment, so that the sealing performance is good, and leakage is avoided and energy is saved when the air cannon mechanism stores air.
Further, the first air cannon mechanism 30 and the second air cannon mechanism 40 are further provided with a release assembly (not shown) which can prevent materials from entering the cannon body.
Further, the first air cannon mechanism 30 and the second air cannon mechanism 40 function to convert the pressure energy of the air into the air jet kinetic energy and generate a strong impact force.
A use method of a kiln channel dredging device of a double-chamber lime kiln comprises the following specific steps:
after the combustion of the left kiln chamber 8 is finished, the 10 first air cannon mechanisms 30 distributed around the left kiln chamber are sequentially swept at intervals, the sweeping time lasts for 2 seconds, namely, only 5 first air cannon mechanisms 30 which are respectively spaced from each other operate in sequence in the first round, and the specific interval time is distributed as follows:
after sintering is finished, the first air cannon mechanism 30 starts to purge after 60 seconds, then the first air cannon mechanism 30 which is distributed at intervals with the first air cannon mechanism 30 purges again after 150 seconds, and the first round of operation is finished until five times of purging is finished;
the second round of purging is completed by 5 first air cannon mechanisms 30 which do not work in the first round, and the specific sequence and the interval time are the same as those of the first round;
simultaneously, the kiln chambers 8 on the two sides are swept in turn, namely after the kiln chamber 8 on the left side finishes the first round of sweeping, the kiln chamber 8 on the right side also carries out the first round of sweeping by 5 first air cannon mechanisms 30 at intervals, and then the kiln chamber 8 on the left side carries out the second round of sweeping;
the purging sequence of the left kiln chamber 8 is anticlockwise purging at intervals, and the purging sequence of the right kiln chamber 8 is clockwise purging at intervals;
and the two second air cannon mechanisms 40 of the communication channel 7 work as follows: and after reversing for 20 seconds, one second air cannon mechanism 40 starts to purge, and after 10 seconds, the other second air cannon mechanism 40 starts to purge, and according to the step, purging is carried out in each round, and the purging is matched with the 10 air cannon mechanisms of the kiln chambers 8 at two sides to work together.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the technical solutions of the present invention have been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced equally; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a kiln passageway pull throughs of two thorax limekilns which characterized in that: the kiln comprises two kiln chambers (8) and a connecting channel (7) for connecting the two kiln chambers (8), wherein ten first air cannon mechanisms (30) are arranged on each kiln chamber (8) in an annular array, two second air cannon mechanisms (40) are arranged on the connecting channel (7), each first air cannon mechanism (30) comprises a first cannon body (4), a first support (2) for integral fixation is fixedly arranged on each first cannon body (4), the upper end of each first cannon body (4) is connected with a first electromagnetic valve (1), the lower end of each first cannon body (4) is connected with an air injection pipe (3), each first cannon body (4) is further provided with a first air inlet pipe (5) and a first safety valve (6), each second air cannon mechanism (40) comprises a second cannon body (12), and each second cannon body (12) is fixedly arranged on a second support (11), the two sides of the second gun body (12) are respectively connected with a nozzle (9) and a metal hose (15), a second electromagnetic valve (14) is arranged on the metal hose (15), the metal hose (15) is far away from one end of the second gun body (12) is provided with a second air inlet pipe (16), and a second safety valve (10) and a sewage draining outlet (13) are further arranged on the second gun body (12).
2. The kiln passage dredging device of the double-chamber lime kiln as claimed in claim 1, wherein: the first gun body (4) has the size phi 400x700mm, and the second gun body (12) has the size phi 500x1000 mm.
3. The kiln passage dredging device of the double-chamber lime kiln as claimed in claim 1, wherein: the first gun body (4) and the second gun body (12) are used for storing air and are made of Q235B steel plates.
4. The kiln passage dredging device of the double-chamber lime kiln as claimed in claim 1, wherein: the opening pressure of the first safety valve (6) and the second safety valve (10) is 0.8Mpa, and the first safety valve and the second safety valve can be automatically opened to reduce the pressure when the air pressure exceeds the highest working pressure of the air cannon mechanism, so that the use safety of the air cannon is ensured.
5. The kiln passage dredging device of the double-chamber lime kiln as claimed in claim 1, wherein: the end faces of the air injection pipe (3) and the nozzle (9) are ground by adopting special equipment, so that the air gun mechanism has good sealing performance, and avoids leakage and saves energy when storing air.
6. The kiln passage dredging device of the double-chamber lime kiln as claimed in claim 1, wherein: the first air cannon mechanism (30) and the second air cannon mechanism (40) are used for converting the pressure energy of air into air jet power energy and generating strong impact force.
7. A use method of a kiln channel dredging device of a double-chamber lime kiln comprises the following specific steps:
after the combustion of the left kiln chamber (8) is finished, 10 first air cannon mechanisms (30) distributed around the left kiln chamber are sequentially swept at intervals, wherein the sweeping time lasts for 2 seconds, namely only 5 first air cannon mechanisms (30) which are respectively spaced from each other operate in sequence in a first round, and the specific interval time is distributed as follows:
after sintering, the first air cannon mechanism (30) starts to purge after 60 seconds, then the first air cannon mechanism (30) which is distributed at intervals with the first air cannon mechanism (30) purges again after 150 seconds, and the first round of operation is finished until five times of purges are finished;
the second round of purging is completed by 5 first air cannon mechanisms (30) which do not work in the first round, and the specific sequence and the interval time are the same as those of the first round;
simultaneously, the kiln chambers (8) at the two sides are swept in turn, namely after the kiln chamber (8) at the left side finishes the first round of sweeping, the kiln chamber (8) at the right side also carries out the first round of sweeping by 5 first air cannon mechanisms (30) at intervals, and then the kiln chamber (8) at the left side carries out the second round of sweeping;
the purging sequence of the left kiln chamber (8) is anticlockwise purging at intervals, and the purging sequence of the right kiln chamber (8) is clockwise purging at intervals;
and the two second air cannon mechanisms (40) of the communication channel (7) work as follows: and after reversing for 20 seconds, one second air cannon mechanism (40) starts to purge, and after 10 seconds, the other second air cannon mechanism (40) starts to purge, and according to the step, purging is carried out in each round, and the purging and purging device works together with the 10 air cannon mechanisms of the kiln chambers (8) at the two sides.
CN202210117614.2A 2022-02-08 2022-02-08 Kiln channel dredging device of double-chamber lime kiln and using method thereof Pending CN114276030A (en)

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CN202210117614.2A CN114276030A (en) 2022-02-08 2022-02-08 Kiln channel dredging device of double-chamber lime kiln and using method thereof

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CN202210117614.2A CN114276030A (en) 2022-02-08 2022-02-08 Kiln channel dredging device of double-chamber lime kiln and using method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113173717A (en) * 2021-05-20 2021-07-27 江西福得利碳酸钙业有限责任公司 Calcium oxide production process and preparation device thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130136674A1 (en) * 2010-08-18 2013-05-30 Jun Wei Powder Lime Calcining Process and System
CN104384148A (en) * 2014-11-20 2015-03-04 中冶焦耐工程技术有限公司 Coal-fired sleeve shaft kiln injection unblocking system
CN112479607A (en) * 2020-12-01 2021-03-12 石家庄新华能源环保科技股份有限公司 Hanging cylinder type parallel-flow heat storage double-hearth kiln with cooling structure
CN213975413U (en) * 2020-10-27 2021-08-17 中材海外工程有限公司 Wear-resisting anti-blocking device for cement kiln mixing bunker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130136674A1 (en) * 2010-08-18 2013-05-30 Jun Wei Powder Lime Calcining Process and System
CN104384148A (en) * 2014-11-20 2015-03-04 中冶焦耐工程技术有限公司 Coal-fired sleeve shaft kiln injection unblocking system
CN213975413U (en) * 2020-10-27 2021-08-17 中材海外工程有限公司 Wear-resisting anti-blocking device for cement kiln mixing bunker
CN112479607A (en) * 2020-12-01 2021-03-12 石家庄新华能源环保科技股份有限公司 Hanging cylinder type parallel-flow heat storage double-hearth kiln with cooling structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113173717A (en) * 2021-05-20 2021-07-27 江西福得利碳酸钙业有限责任公司 Calcium oxide production process and preparation device thereof

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Application publication date: 20220405