CN211005147U - Limestone powder calcining furnace - Google Patents
Limestone powder calcining furnace Download PDFInfo
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- CN211005147U CN211005147U CN201922213927.4U CN201922213927U CN211005147U CN 211005147 U CN211005147 U CN 211005147U CN 201922213927 U CN201922213927 U CN 201922213927U CN 211005147 U CN211005147 U CN 211005147U
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Abstract
The utility model discloses a limestone powder calcining furnace, which comprises a furnace body, the left side and the middle part of the upper surface of the furnace body are respectively connected with a feed hopper and a motor B, the lower part of the furnace body is provided with a motor A, the output shafts of the motor A and the motor B are respectively connected with a stirring shaft A and a stirring shaft B, stirring blades are connected on the stirring shaft A and the stirring shaft B, the middle part of the inner side wall of the furnace body is connected with a high-temperature zone, the upper lower part of the inner side wall of the furnace body is connected with a material guide plate, the lower surfaces of the material guide plate and the high-temperature zone are connected with a material blowing device, the lower surface of the stirring blades is connected with a material stirring device, the outer side of the stirring shaft A is connected with a discharging tower through a bearing, the outer side of the lower part of the furnace body is sleeved; the utility model has the advantages of thorough calcination, wall sticking prevention, high discharging efficiency, energy conservation and environmental protection.
Description
Technical Field
The utility model belongs to the technical field of calcining equipment, especially, relate to a burning furnace is forged to limestone flour.
Background
In the process of mine processing, a large amount of limestone powder is generated, the limestone powder is accumulated in a mine as mine waste, the occupied area is large, the resource waste is caused, the environment is polluted, a calcining furnace can be used for calcining and recycling the limestone powder, the existing calcining furnace is high in blanking speed, only one long stirring shaft is used for stirring, the stirring shaft is made of special heat-resistant steel, the preparation process requirement is strict, the cost is high, the limestone powder is not thoroughly calcined, the wall sticking phenomenon is easy to occur in the calcining process, the unloading efficiency is low, and high-temperature harmful tail gas is directly discharged into the environment to pollute the environment; therefore, the limestone powder calcining furnace which is low in cost, capable of slowing down the blanking speed, thorough in limestone powder calcining, capable of avoiding the wall sticking phenomenon, high in unloading efficiency, capable of effectively utilizing the waste heat in the tail gas, capable of discharging the treated tail gas into the environment, capable of reducing the pollution of the tail gas to the environment, energy-saving and environment-friendly is urgently needed to be designed.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide one kind with low costs, slow down unloading speed, carry out segmentation stirring, limestone powder calcines thoroughly, avoid appearing gluing the wall phenomenon, cool down the furnace body and handle, water resource cyclic utilization, unload efficiently, effectively utilize the waste heat in the tail gas, to exhaust after the tail gas treatment again to the environment in, reduce tail gas to the pollution of environment, energy-concerving and environment-protective limestone powder calcines the furnace.
The purpose of the utility model is realized like this: a limestone powder calcining furnace comprises a furnace body, wherein supporting legs are fixedly connected to the lower surface of the furnace body, a feed hopper is fixedly connected to the left side of the upper surface of the furnace body, a motor B is fixedly mounted in the middle of the upper surface of the furnace body, an output shaft of the motor B is connected with a stirring shaft B, the lower end of the stirring shaft B penetrates through the upper side wall of the furnace body and extends into the upper part of the furnace body, a motor A is arranged below the furnace body, an output shaft of the motor A is connected with a stirring shaft A, the upper end of the stirring shaft A penetrates through the lower side wall of the furnace body and extends into the lower part of the furnace body, stirring blades are fixedly connected to the stirring shaft A and the stirring shaft B, a high-temperature zone is fixedly connected to the middle part of the inner side wall of the furnace body, guide plates are fixedly connected to the, the lower surfaces of the material guide plate and the high-temperature zone are both connected with a material blowing device, the lower surface of the stirring blade is connected with a material stirring device, the outer side of the stirring shaft A is connected with a discharging tower through a bearing, the lower end of the discharging tower is fixedly connected with the inner wall of the lower side of the furnace body, the outer side of the lower part of the furnace body is sleeved with a cooling sleeve, the lower part of the right side of the cooling sleeve is fixedly connected with a liquid inlet pipe, the upper part of the left side of the cooling sleeve is fixedly connected with a liquid outlet pipe, the other end of the liquid outlet pipe is connected with a steam drum inlet end, the outlet end of the steam drum is connected with a steam pipe, the other end of the steam pipe is connected with the stirring shaft A, the stirring shaft A is connected with the air outlet end of an air blower through an air, the heat exchanger be connected with the tail gas treater through the connecting pipe, tail gas treater upper surface be provided with the gas vent, furnace body lower surface left side and the equal fixedly connected with discharging pipe in lower surface right side.
The steam pipe and the air inlet pipe A are both telescopic hoses.
The material guide plate and the stirring blades are of conical structures.
The blowing device comprises a pulse valve, the upper end of the pulse valve is fixedly connected to the lower surfaces of the material guide plate and the high-temperature zone, an air inlet pipe B is connected to an air inlet of the pulse valve, the other end of the air inlet pipe B penetrates through the material guide plate and the high-temperature zone and extends out of the furnace body to be connected with an air source, and an air outlet of the pulse valve faces to the position under the pulse valve.
The material stirring device comprises a chain ring, a connecting rod is fixedly connected to the upper end of the chain ring, the upper end of the connecting rod is fixedly connected to the lower surface of the stirring blade, and a material stirring plate is hung in the chain ring.
The stirring shaft A is a hollow sleeve, the stirring shaft A comprises an inner pipe, a middle-layer sleeve is sleeved on the outer side of the inner pipe, an outer-layer sleeve is sleeved on the outer side of the middle-layer sleeve, an opening is formed in the upper surface of the middle-layer sleeve, an air outlet hole is formed in the upper portion of the side wall of the inner pipe, the air outlet hole is formed in the lower portion of the side wall of the outer-layer sleeve, the outer-layer sleeve is connected with a discharging tower through a bearing, the lower end of the inner pipe is connected with an output shaft of a motor A, one side of the inner pipe is connected with a steam pipe, and one side.
The discharging tower is a stepped discharging tower, and the side wall of the discharging tower is provided with an air outlet.
The material guide plate, the stirring blades and the high-temperature belt are all of seamless steel structures.
The heat exchanger is a waste heat boiler.
The utility model discloses the beneficial effect who produces:
the utility model discloses a burning furnace is forged to limestone powder, limestone powder enters into the furnace body through the feeder hopper, the furnace body calcines limestone powder, open motor A and motor B, motor A drives (mixing) shaft A rotatory, motor B drives (mixing) shaft B rotatory, (mixing) shaft A is located the furnace body lower part, (mixing) shaft B is located furnace body upper portion, stirring vane on (mixing) shaft A and the (mixing) shaft B carries out the segmentation stirring to limestone powder, stirring effect is good, lateral wall upper portion and lower part all are connected with the stock guide in the furnace body, the stock guide plays the guide effect, the stock guide distributes with stirring vane is crisscross, limestone powder is the broken line between stock guide and stirring vane and descends, slow down unloading speed, be favorable to limestone powder thoroughly to calci.
The middle part of the inner side wall of the furnace body is fixedly connected with a high-temperature zone, the lower surfaces of the guide plate and the high-temperature zone are both connected with a blowing device, the blowing device comprises a pulse valve, the upper end of the pulse valve is fixedly connected to the lower surfaces of the guide plate and the high-temperature zone, the air inlet of the pulse valve is connected with an air inlet pipe B, the other end of the air inlet pipe B penetrates through the guide plate and the high-temperature zone and extends out of the side wall of the furnace body to be connected with an air source, the air outlet of the pulse valve faces to the position right below the pulse valve, air is blown into the outlet of the pulse valve, so that limestone powder on the upper surface of the stirring blades can be blown off, the limestone powder; the lower surface of the stirring blade is connected with a material stirring device, the material stirring device comprises a chain ring, the upper end of the chain ring is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected to the lower surface of the stirring blade, a material stirring plate is hung in the chain ring, and the material stirring plate can timely stir away fuel on the upper surfaces of the material guide plate and the high-temperature belt so as to prevent the fuel from adhering to the upper surfaces of the material guide plate and the high-temperature belt; and the guide plate, the stirring blades and the high-temperature belt are all of seamless steel structures, so that the production cost is reduced.
The outer side of the lower part of the furnace body is sleeved with a cooling sleeve, cooling water enters the cooling sleeve through a liquid inlet pipe, the cooling water cools the lower part of the furnace body, a steam-water mixture after heat exchange with the furnace body enters a steam drum through a liquid outlet pipe, the stirring shaft A is a hollow sleeve, the stirring shaft A comprises an inner pipe, a middle sleeve is sleeved on the outer side of the inner pipe, an outer sleeve is sleeved on the outer side of the middle sleeve, one side of the inner pipe is connected with a steam pipe, steam separated from the steam drum enters the inner pipe of the stirring shaft A through the steam pipe, the steam cools the inner pipe, the upper part of the side wall of the inner pipe is provided with a gas outlet, the steam enters the middle sleeve through the gas outlet on the upper part of the side wall of the inner pipe, the steam cools the middle sleeve, the upper surface of the middle sleeve is provided with an opening, the steam enters the discharging tower through the air outlet hole at the lower part of the side wall of the outer casing, the side wall of the discharging tower is provided with the air outlet hole, the steam enters the furnace body through the air outlet hole on the side wall of the discharging tower, the steam mainly plays a role in cooling, water resources are recycled, and the production cost is reduced; one side of the middle-layer sleeve is connected with an air inlet pipe A, the other end of the air inlet pipe A is connected with an air outlet end of an air blower, air enters the outer-layer sleeve through an opening in the upper surface of the middle-layer sleeve, then enters the discharging tower through an air outlet hole in the lower portion of the side wall of the outer-layer sleeve, and finally enters the furnace body through an air outlet hole in the side wall of the discharging tower, and the air mainly plays a role in supporting combustion, so that limestone powder can be thoroughly calcined.
The steam pipe and the air inlet pipe A are telescopic hoses, when the stirring shaft A rotates, the steam entering the inner pipe and the air entering the middle-layer sleeve are not influenced, the motor A adjusts the stirring shaft A to rotate in the forward direction and the reverse direction, the steam can enter the inner pipe of the stirring shaft A smoothly, the air enters the middle-layer sleeve, the rotating direction of limestone powder in the furnace body can be changed, the stirring effect is improved, and thorough calcination of the limestone powder is facilitated; after the limestone powder is thoroughly calcined, the limestone powder is discharged through the discharge pipe under the action of the discharge tower, and the stepped discharge tower of the discharge tower is favorable for discharging and improves the discharging efficiency.
Tail gas generated in the limestone powder calcining process is discharged through gas outlet pipes at the lower parts of the left side and the right side of a furnace body, the other ends of the gas outlet pipes are connected with heat exchangers, the heat exchangers are waste heat boilers, waste heat in the tail gas is effectively utilized by the heat exchangers, the heat exchangers are connected with tail gas processors through connecting pipes, the tail gas processors are existing industrial kiln tail gas processing equipment, the tail gas is purified, clean gas after purification is discharged into the environment through gas outlets, pollution of the tail gas to the environment is reduced, and the energy-saving and environment-friendly effects are; the gas outlet pipe, the heat exchanger and the tail gas processor form a set of tail gas utilization and treatment device, the two sets of tail gas utilization and treatment devices are symmetrically arranged on the left side and the right side of the furnace body, the gas outlet pipe is provided with the gas outlet valve, the two sets of tail gas utilization and treatment devices can be used by adopting a stop-and-stop method, the device can be maintained by alternative use without stopping for maintenance, and the production requirement can be met.
Total, the utility model has the advantages of with low costs, slow down unloading speed, carry out the segmentation stirring to limestone powder, the limestone powder calcines thoroughly, avoid appearing gluing the wall phenomenon, cool down the furnace body and handle, water resource cyclic utilization, unload efficiently, effectively utilize the waste heat in the tail gas, arrange the environment again after handling tail gas, reduce pollution, energy-concerving and environment-protective of tail gas to the environment.
Drawings
Fig. 1 is a schematic structural diagram of the limestone powder calcining furnace of the utility model.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is an enlarged view at B in fig. 1.
FIG. 4 is a schematic structural view of a stirring shaft A in the limestone powder calcining furnace of the present invention.
In the figure: 1. the device comprises a discharge pipe 2, a stirring shaft A3, a motor A4, a discharge tower 5, support legs 6, an air outlet pipe 7, a heat exchanger 8, a liquid outlet pipe 9, a steam pipe 10, a steam drum 11, a tail gas processor 12, an exhaust port 13, a high-temperature zone 14, stirring blades 15, a feed hopper 16, a stirring shaft B17, a motor B18, a furnace body 19, a material guide plate 20, a connecting pipe 21, an air outlet valve 22, a liquid inlet pipe 23, an air blower 24, a cooling sleeve 25, an air inlet pipe A26, a pulse valve 27, an air inlet pipe B28, an air outlet 29, a connecting rod 30, a chain ring 31, a stirring plate 32, an inner pipe 33, an opening 34.
Detailed Description
Example 1
As shown in fig. 1-4, a limestone powder calcining furnace comprises a furnace body 18, wherein support legs 5 are fixedly connected to the lower surface of the furnace body 18, a feed hopper 15 is fixedly connected to the left side of the upper surface of the furnace body 18, a motor B17 is fixedly installed in the middle of the upper surface of the furnace body 18, an output shaft of the motor B17 is connected with a stirring shaft B16, the lower end of the stirring shaft B16 penetrates through the upper side wall of the furnace body 18 and extends into the upper portion of the furnace body 18, a motor A3 is arranged below the furnace body 18, an output shaft of the motor A3 is connected with a stirring shaft a2, the upper end of the stirring shaft a2 penetrates through the lower side wall of the furnace body 18 and extends into the lower portion of the furnace body 18, stirring blades 14 are fixedly connected to the stirring shaft a2 and the stirring shaft B16, a high temperature zone 13 is fixedly connected to the middle of the inner side wall of the furnace, the material guide plate 19 and the stirring blades 14 are distributed in a staggered manner, the lower surfaces of the material guide plate 19 and the high-temperature belt 13 are both connected with a material blowing device, the lower surface of the stirring blades 14 is connected with a material stirring device, the outer side of the stirring shaft A2 is connected with a discharging tower 4 through a bearing, the lower end of the discharging tower 4 is fixedly connected with the inner wall of the lower side of the furnace body 18, the outer side of the lower part of the furnace body 18 is sleeved with a cooling sleeve 24, the lower part of the right side of the cooling sleeve 24 is fixedly connected with a liquid inlet pipe 22, the upper part of the left side of the cooling sleeve 24 is fixedly connected with a liquid outlet pipe 8, the other end of the liquid outlet pipe 8 is connected with the inlet end of a steam pocket 10, the outlet end of the steam pocket 10 is connected with a steam pipe 9, the other end of the steam pipe 9 is connected with a stirring shaft A2, outlet duct 6 on install outlet valve 21, the 6 other end of outlet duct be connected with heat exchanger 7, heat exchanger 7 be connected with tail gas treater 11 through connecting pipe 20, tail gas treater 11 upper surface be provided with gas vent 12, 18 lower surface left sides of furnace body and the equal fixedly connected with discharging pipe 1 in lower surface right side.
The steam pipe 9 and the air inlet pipe A25 are both telescopic hoses.
The material guide plate 19 and the stirring blades 14 are both in a conical structure.
The blowing device comprises a pulse valve 26, the upper end of the pulse valve 26 is fixedly connected to the lower surfaces of the material guide plate 19 and the high-temperature belt 13, an air inlet pipe B27 is connected to an air inlet of the pulse valve 26, the other end of the air inlet pipe B27 penetrates through the material guide plate 19 and the high-temperature belt 13 and extends out of the furnace body 18 to be connected with an air source, and an air outlet of the pulse valve 26 faces to the position right below the pulse valve 26.
The material stirring device comprises a chain ring 30, the upper end of the chain ring 30 is fixedly connected with a connecting rod 29, the upper end of the connecting rod 29 is fixedly connected to the lower surface of the stirring blade 14, and a material stirring plate 31 is hung in the chain ring 30.
(mixing) shaft A2 be the cavity sleeve pipe, (mixing) shaft A2 include inner tube 32, the inner tube 32 outside cup jointed middle level sleeve pipe 35, middle level sleeve pipe 35 outside cup jointed outer sleeve pipe 34, middle level sleeve pipe 35 upper surface be provided with opening 33, the lateral wall upper portion of inner tube 32 be provided with the venthole, the lateral wall lower part of outer sleeve pipe 34 is provided with the venthole, outer sleeve pipe 34 outside link to each other with discharge tower 4 through the bearing, inner tube 32 lower extreme link to each other with motor A3's output shaft, inner tube 32 one side link to each other with steam pipe 9, middle level sleeve pipe 35 one side link to each other with intake pipe A25.
The discharging tower 4 is a stepped discharging tower, and the side wall of the discharging tower 4 is provided with an air outlet.
The material guide plate 19, the stirring blades 14 and the high-temperature belt 13 are all of seamless steel structures.
The heat exchanger 7 is a waste heat boiler.
The working principle of the embodiment is as follows: limestone powder enters the furnace body through the feed hopper, the furnace body calcines the limestone powder, motor A and motor B are opened, motor A drives (mixing) shaft A rotatory, motor B drives (mixing) shaft B rotatory, (mixing) shaft A is located the furnace body lower part, (mixing) shaft B is located furnace body upper portion, stirring vane on (mixing) shaft A and the (mixing) shaft B carries out the segmentation stirring to the limestone powder, stirring effect is good, furnace body inner wall upper portion and lower part all are connected with the stock guide, the stock guide plays the guide effect, stock guide and stirring vane staggered distribution, the limestone powder is broken line decline between stock guide and stirring vane, slow down unloading speed, be favorable to the thorough calcination of limestone powder.
The middle part of the inner side wall of the furnace body is fixedly connected with a high-temperature zone, the lower surfaces of the guide plate and the high-temperature zone are both connected with a blowing device, the blowing device comprises a pulse valve, the upper end of the pulse valve is fixedly connected to the lower surfaces of the guide plate and the high-temperature zone, the air inlet of the pulse valve is connected with an air inlet pipe B, the other end of the air inlet pipe B penetrates through the guide plate and the high-temperature zone and extends out of the side wall of the furnace body to be connected with an air source, the air outlet of the pulse valve faces to the position right below the pulse valve, air is blown into the outlet of the pulse valve, so that limestone powder on the upper surface of the stirring blades can be blown off, the limestone powder; the lower surface of the stirring blade is connected with a material stirring device, the material stirring device comprises a chain ring, the upper end of the chain ring is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected to the lower surface of the stirring blade, a material stirring plate is hung in the chain ring, and the material stirring plate can timely stir away fuel on the upper surfaces of the material guide plate and the high-temperature belt so as to prevent the fuel from adhering to the upper surfaces of the material guide plate and the high-temperature belt; and the guide plate, the stirring blades and the high-temperature belt are all of seamless steel structures, so that the production cost is reduced.
The outer side of the lower part of the furnace body is sleeved with a cooling sleeve, cooling water enters the cooling sleeve through a liquid inlet pipe, the cooling water cools the lower part of the furnace body, a steam-water mixture after heat exchange with the furnace body enters a steam drum through a liquid outlet pipe, the stirring shaft A is a hollow sleeve, the stirring shaft A comprises an inner pipe, a middle sleeve is sleeved on the outer side of the inner pipe, an outer sleeve is sleeved on the outer side of the middle sleeve, one side of the inner pipe is connected with a steam pipe, steam separated from the steam drum enters the inner pipe of the stirring shaft A through the steam pipe, the steam cools the inner pipe, the upper part of the side wall of the inner pipe is provided with a gas outlet, the steam enters the middle sleeve through the gas outlet on the upper part of the side wall of the inner pipe, the steam cools the middle sleeve, the upper surface of the middle sleeve is provided with an opening, the steam enters the discharging tower through the air outlet hole at the lower part of the side wall of the outer casing, the side wall of the discharging tower is provided with the air outlet hole, the steam enters the furnace body through the air outlet hole on the side wall of the discharging tower, the steam mainly plays a role in cooling, water resources are recycled, and the production cost is reduced; one side of the middle-layer sleeve is connected with an air inlet pipe A, the other end of the air inlet pipe A is connected with an air outlet end of an air blower, air enters the outer-layer sleeve through an opening in the upper surface of the middle-layer sleeve, then enters the discharging tower through an air outlet hole in the lower portion of the side wall of the outer-layer sleeve, and finally enters the furnace body through an air outlet hole in the side wall of the discharging tower, and the air mainly plays a role in supporting combustion, so that limestone powder can be thoroughly calcined.
The steam pipe and the air inlet pipe A are telescopic hoses, when the stirring shaft A rotates, the steam entering the inner pipe and the air entering the middle-layer sleeve are not influenced, the motor A adjusts the stirring shaft A to rotate in the forward direction and the reverse direction, the steam can enter the inner pipe of the stirring shaft A smoothly, the air enters the middle-layer sleeve, the rotating direction of limestone powder in the furnace body can be changed, the stirring effect is improved, and thorough calcination of the limestone powder is facilitated; after the limestone powder is thoroughly calcined, the limestone powder is discharged through the discharge pipe under the action of the discharge tower, and the stepped discharge tower of the discharge tower is favorable for discharging and improves the discharging efficiency.
Tail gas generated in the limestone powder calcining process is discharged through gas outlet pipes at the lower parts of the left side and the right side of the furnace body, the other ends of the gas outlet pipes are connected with heat exchangers, the heat exchangers are waste heat boilers, waste heat in the tail gas is effectively utilized by the heat exchangers, the heat exchangers are connected with a tail gas processor through connecting pipes, the tail gas processor processes the tail gas, the processed clean gas is discharged into the environment through a gas outlet, pollution of the tail gas to the environment is reduced, and the energy-saving and environment-; the gas outlet pipe, the heat exchanger and the tail gas processor form a set of tail gas utilization and treatment device, the two sets of tail gas utilization and treatment devices are symmetrically arranged on the left side and the right side of the furnace body, the gas outlet pipe is provided with the gas outlet valve, the two sets of tail gas utilization and treatment devices can be used by adopting a stop-and-stop method, the device can be maintained by alternative use without stopping for maintenance, and the production requirement can be met.
Claims (9)
1. The utility model provides a limestone powder calcines burning furnace, it includes the furnace body, and furnace body lower surface fixedly connected with supporting leg, its characterized in that: the left side of the upper surface of the furnace body is fixedly connected with a feed hopper, the middle part of the upper surface of the furnace body is fixedly provided with a motor B, an output shaft of the motor B is connected with a stirring shaft B, the lower end of the stirring shaft B penetrates through the upper side wall of the furnace body and extends into the upper part in the furnace body, the lower part of the furnace body is provided with a motor A, an output shaft of the motor A is connected with a stirring shaft A, the upper end of the stirring shaft A penetrates through the lower side wall of the furnace body and extends into the lower part in the furnace body, stirring blades are fixedly connected on the stirring shaft A and the stirring shaft B, the middle part of the inner side wall of the furnace body is fixedly connected with a high-temperature zone, the upper part of the inner side wall of the furnace body and the lower part of the inner side wall of the furnace body are fixedly connected with guide plates, the guide plates and, the outer side of the stirring shaft A is connected with a discharging tower through a bearing, the lower end of the discharging tower is fixedly connected with the inner wall of the lower side of the furnace body, the outer side of the lower part of the furnace body is sleeved with a cooling sleeve, the lower part of the right side of the cooling sleeve is fixedly connected with a liquid inlet pipe, the upper part of the left side of the cooling sleeve is fixedly connected with a liquid outlet pipe, the other end of the liquid outlet pipe is connected with the inlet end of a steam drum, the outlet end of the steam drum is connected with a steam pipe, the other end of the steam pipe is connected with the stirring shaft A, the stirring shaft A is connected with the air outlet end of an air blower through an air inlet pipe A, the lower parts of the left side and the right side of the furnace body are symmetrically connected with air outlet pipes, the air, the left side of the lower surface of the furnace body and the right side of the lower surface of the furnace body are fixedly connected with discharging pipes.
2. The limestone powder calcining furnace according to claim 1, characterized in that: the steam pipe and the air inlet pipe A are both telescopic hoses.
3. The limestone powder calcining furnace according to claim 1, characterized in that: the material guide plate and the stirring blades are of conical structures.
4. The limestone powder calcining furnace according to claim 1, characterized in that: the blowing device comprises a pulse valve, the upper end of the pulse valve is fixedly connected to the lower surfaces of the material guide plate and the high-temperature zone, an air inlet pipe B is connected to an air inlet of the pulse valve, the other end of the air inlet pipe B penetrates through the material guide plate and the high-temperature zone and extends out of the furnace body to be connected with an air source, and an air outlet of the pulse valve faces to the position under the pulse valve.
5. The limestone powder calcining furnace according to claim 1, characterized in that: the material stirring device comprises a chain ring, a connecting rod is fixedly connected to the upper end of the chain ring, the upper end of the connecting rod is fixedly connected to the lower surface of the stirring blade, and a material stirring plate is hung in the chain ring.
6. The limestone powder calcining furnace according to claim 1, characterized in that: the stirring shaft A is a hollow sleeve, the stirring shaft A comprises an inner pipe, a middle-layer sleeve is sleeved on the outer side of the inner pipe, an outer-layer sleeve is sleeved on the outer side of the middle-layer sleeve, an opening is formed in the upper surface of the middle-layer sleeve, an air outlet hole is formed in the upper portion of the side wall of the inner pipe, the air outlet hole is formed in the lower portion of the side wall of the outer-layer sleeve, the outer-layer sleeve is connected with a discharging tower through a bearing, the lower end of the inner pipe is connected with an output shaft of a motor A, one side of the inner pipe is connected with a steam pipe, and one side.
7. The limestone powder calcining furnace according to claim 1, characterized in that: the discharging tower is a stepped discharging tower, and the side wall of the discharging tower is provided with an air outlet.
8. The limestone powder calcining furnace according to claim 1, characterized in that: the material guide plate, the stirring blades and the high-temperature belt are all of seamless steel structures.
9. The limestone powder calcining furnace according to claim 1, characterized in that: the heat exchanger is a waste heat boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922213927.4U CN211005147U (en) | 2019-12-11 | 2019-12-11 | Limestone powder calcining furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922213927.4U CN211005147U (en) | 2019-12-11 | 2019-12-11 | Limestone powder calcining furnace |
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| CN211005147U true CN211005147U (en) | 2020-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115974430A (en) * | 2023-03-17 | 2023-04-18 | 山西富渊通科技有限公司 | Vertical active lime calcining furnace and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115974430A (en) * | 2023-03-17 | 2023-04-18 | 山西富渊通科技有限公司 | Vertical active lime calcining furnace and using method thereof |
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