CN211626062U - Roller kiln - Google Patents
Roller kiln Download PDFInfo
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- CN211626062U CN211626062U CN201922447435.1U CN201922447435U CN211626062U CN 211626062 U CN211626062 U CN 211626062U CN 201922447435 U CN201922447435 U CN 201922447435U CN 211626062 U CN211626062 U CN 211626062U
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Abstract
The utility model discloses a roller kiln, including the furnace body that has furnace, install conveyor and heating device in the furnace, install on the furnace body and be used for letting in the gaseous more than one middle part intake pipe that adjusts the temperature to furnace middle part position department, it all is equipped with and is used for letting in the gaseous more than one lateral part intake pipe that adjusts the temperature to furnace lateral part position department to correspond two lateral part position departments of furnace on the furnace body, roller kiln still lets in the gaseous that adjusts the temperature including being used for to each middle part intake pipe and each lateral part intake pipe, and make all middle part intake pipe admission speed sums be greater than the air feed subassembly that adjusts the temperature of all lateral part intake pipe admission speed sums of each lateral. The roller kiln can regulate and control the temperature uniformity in the width direction of the hearth, and has the advantages of simplicity and convenience in regulation and control, good regulation and control effect, simple structure, low cost, easiness in manufacturing and assembling, easiness in modification and implementation and the like.
Description
Technical Field
The utility model relates to a heat treatment kiln equipment technical field, concretely relates to roller kilns.
Background
For the electric heating type roller kiln, heating elements horizontally penetrate through a hearth from top to bottom respectively, materials and roller rods for placing the materials are arranged between the upper heating element and the lower heating element, the temperature difference of the upper heating element and the lower heating element can be adjusted by adjusting the power of the upper heating element and the lower heating element from the temperature difference of the cross section of the hearth, but the temperature difference in the width direction does not have an effective adjusting and controlling means because the heating elements horizontally penetrate through the hearth, so that the temperature uniformity in the width direction is difficult to effectively adjust, and the defect of temperature field control of the existing roller kiln exists.
Because the heat of furnace both sides can outwards diffuse, consequently the temperature distribution of furnace cross-section can demonstrate the characteristics that middle height, both sides are low in the furnace width direction, leads to the ascending difference in temperature of furnace width direction. When the size of the roller kiln hearth is small, the temperature difference in the width direction of the hearth is not obvious, but the temperature difference in the width direction of the hearth is increased along with the increase of the width of the kiln, so that the quality of heat treatment products is seriously influenced. In order to reduce the temperature difference in the width direction of the hearth, the conventional method is to add lateral heat insulation structures on two sides of a roller kiln to reduce radiation heat dissipation on two sides and further alleviate the temperature difference in the width direction of the hearth, but the method has very small effect, is difficult to meet the heat treatment requirements of materials with higher temperature sensitivity, such as battery materials, and the like, and causes poor consistency of product sintering and low yield.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a can regulate and control temperature uniformity in the furnace width direction, regulate and control simple and convenient, regulate and control effectual, simple structure, with low costs, easily make the roller kilns of assembly, easily transformation implementation.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a roller kilns, is including having furnace body of furnace, install conveyor and heating device in the furnace, install on the furnace body and be used for letting in the gaseous more than middle part intake pipe that adjusts the temperature to furnace middle part position department, it all is equipped with more than one lateral part intake pipe that is used for letting in the gaseous that adjusts the temperature to furnace lateral part position department to correspond two lateral part position departments of furnace on the furnace body, roller kilns is still including being used for letting in the gaseous and the air feed subassembly that adjusts the temperature that makes all middle part intake pipe admission speed sum be greater than all lateral part intake pipe admission speed sum of each lateral part position department of furnace to each middle part intake pipe.
As a further improvement of the above technical solution:
the temperature-adjusting gas supply assembly comprises a gas source, all middle gas inlet pipes are connected with the gas source through a first gas inlet main pipe, a first adjustable flowmeter used for adjusting the flow rate of gas is arranged on the first gas inlet main pipe, all side gas inlet pipes at each side position of the hearth are connected with the gas source through a second gas inlet main pipe, and a second adjustable flowmeter used for adjusting the flow rate of gas is arranged on the second gas inlet main pipe.
The temperature-adjusting gas supply assembly comprises a gas source, each middle gas inlet pipe and each side gas inlet pipe are connected with the gas source, and each middle gas inlet pipe and each side gas inlet pipe are provided with a third adjustable flowmeter for adjusting the flow rate of gas.
The air outlet of at least one middle air inlet pipe in the middle air inlet pipes and the air outlets of other middle air inlet pipes are located at different height positions, and the air outlet of at least one side air inlet pipe in the side air inlet pipes of each group of side temperature-adjusting air inlet pipe group and the air outlets of other side air inlet pipes are located at different height positions.
The furnace body is provided with a plurality of middle air inlet pipes, the middle air inlet pipes are divided into a plurality of groups of middle pipe groups which are sequentially arranged at intervals in the conveying direction of the conveying device, and each middle pipe group comprises more than one middle air inlet pipe; a plurality of side air inlet pipes are installed at positions, corresponding to each side of the hearth, on the furnace body, the side air inlet pipes are divided into a plurality of groups of side pipe groups which are sequentially arranged in the conveying direction of the conveying device at intervals, and each side pipe group comprises more than one side air inlet pipe.
And the lateral air inlet devices are arranged on the furnace walls at two sides of the roller kiln and comprise more than one lateral wall air inlet pipeline which penetrates through the furnace body furnace wall and is communicated with the hearth and a lateral air supply assembly which is used for introducing air into the lateral wall air inlet pipeline.
The temperature-adjusting gas supply assembly and the side gas supply assembly are the same group of gas supply assembly, the gas supply assembly comprises a preheating gas inlet main pipe and a gas source, the preheating gas inlet main pipe penetrates through the hearth, one end of the preheating gas inlet main pipe is connected with the gas source, and each middle gas inlet pipe, each side gas inlet pipe and each side wall gas inlet pipeline are connected with the other end of the preheating gas inlet main pipe; and each side wall air inlet pipeline is provided with a fourth adjustable flowmeter for adjusting the flow rate of the gas.
The side air inlet device is provided with a plurality of side wall air inlet pipelines which are sequentially arranged at intervals along the conveying direction of the conveying device; the communicating opening of each side wall air inlet pipeline and the hearth faces to the materials on the conveying device.
The roller kiln is also provided with a bottom air inlet device, and the bottom air inlet device comprises more than one bottom air inlet pipeline which runs through the bottom wall of the furnace body and is communicated with the hearth and a bottom air supply assembly which is used for introducing air into the bottom air inlet pipeline.
The heating device is provided with a lower heating element positioned below the conveying device, an air baffle guide plate positioned below the lower heating element is arranged in the hearth, the air baffle guide plate is positioned above a communication opening of the bottom air inlet pipeline and the hearth, and gas introduced into the hearth from each bottom air inlet pipeline flows along the bottom of the air baffle guide plate to the periphery of the air baffle guide plate and enters the hearth above the air baffle guide plate.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a roller kilns is used for letting in the gaseous middle part intake pipe that adjusts the temperature and be used for letting in the gaseous lateral part intake pipe that adjusts the temperature to furnace lateral part position department through setting up to furnace middle part position department, and adjust the temperature the air feed subassembly when letting in the gaseous that adjusts the temperature to each middle part intake pipe and each lateral part intake pipe, make all middle part intake pipe air velocity sum be greater than all lateral part intake pipe air velocity sum of each lateral part position department of furnace, also make the air velocity of furnace middle part position department relatively very fast, the air velocity of furnace both sides position department is relatively slow, the cooling rate that makes furnace middle part position department is faster than the cooling rate of furnace both sides position department, thereby can improve the ascending difference in temperature of furnace width direction, it is better to make the ascending temperature homogeneity of furnace width. The roller kiln can realize the regulation and control of the temperature difference in the width direction of the hearth only by arranging the middle air inlet pipe, the side air inlet pipe and the temperature-adjusting air supply assembly, and has the advantages of simplicity and convenience in regulation and control, good regulation and control effect, simple and compact structure, low cost, easiness in manufacturing and assembling, easiness in implementation and easiness in modifying the existing equipment.
Drawings
Fig. 1 is a schematic sectional structure diagram of the roller kiln.
Illustration of the drawings:
1. a furnace body; 11. a hearth; 2. a conveying device; 3. a heating device; 31. a lower heating element; 32. an upper heating element; 4. a middle air inlet pipe; 5. a side air inlet pipe; 6. a sidewall air inlet line; 7. preheating an air inlet main pipe; 8. a bottom air inlet pipeline.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1, the roller kiln of this embodiment, including furnace body 1 that has furnace 11, install conveyor 2 and heating device 3 in furnace 11, install on furnace body 1 and be used for letting in more than one middle part intake pipe 4 that adjusts the temperature gas to furnace 11 middle part position department, furnace body 1 is gone up and is equipped with more than one lateral part intake pipe 5 that is used for letting in the gas that adjusts the temperature to furnace 11 lateral part position department corresponding to two lateral part positions departments of furnace 11, the roller kiln still includes the air feed subassembly that adjusts the temperature that is used for letting in the gas that adjusts the temperature to each middle part intake pipe 4 and each lateral part intake pipe 5, and make all middle part intake pipe 4 admission speed sums be greater than all lateral part intake pipes 5 admission speed sums of each. The middle position of the furnace 11 refers to the middle position in the width direction of the cross section of the furnace 11, and the two side positions of the furnace 11 refer to the two side positions close to the two side walls of the furnace 11 in the width direction of the cross section of the furnace 11.
This roller kilns are used for letting in the gaseous middle part intake pipe 4 that adjusts the temperature and be used for letting in the gaseous lateral part intake pipe 5 that adjusts the temperature to 11 lateral part positions of furnace 11 to setting up being used for to 11 middle part positions department of furnace, and adjust the temperature when air feed subassembly lets in the gaseous that adjusts the temperature to each middle part intake pipe 4 and each lateral part intake pipe 5, make all middle part intake pipe 4 admission speed sums be greater than the gaseous sum of 5 admission speeds of all lateral part intake pipes of 11 each lateral part positions departments of furnace, also make the admission speed of 11 middle part positions of furnace relatively faster, the admission speed of 11 both sides positions of furnace department is relatively slower, the cooling speed that makes 11 middle part positions of furnace department than the cooling speed of 11 both sides positions department of furnace is faster, thereby can improve the ascending difference in temperature of 11 width directions of furnace, make 11 temperature. The roller kiln can realize the regulation and control of the temperature difference in the width direction of the hearth 11 only by arranging the middle air inlet pipe 4, the side air inlet pipe 5 and the temperature-adjusting air supply assembly, and has the advantages of simplicity and convenience in regulation and control, good regulation and control effect, simple and compact structure, low cost, easiness in manufacturing and assembling, easiness in implementation and easiness in modifying the existing equipment.
In this embodiment, the temperature-adjusting gas supply assembly includes a gas source, all middle gas inlet pipes 4 are connected with the gas source through a first gas inlet header pipe, a first adjustable flow meter for adjusting the gas flow rate is arranged on the first gas inlet header pipe, all side gas inlet pipes 5 at each side position of the furnace 11 are connected with the gas source through a second gas inlet header pipe, and a second adjustable flow meter for adjusting the gas flow rate is arranged on the second gas inlet header pipe. The gas flow rate of the first gas inlet main pipe can be regulated and controlled through the first adjustable flowmeters, the gas flow rate of all the middle gas inlet pipes 4 can be regulated and controlled, the gas flow rate of the second gas inlet main pipe can be regulated and controlled through the second adjustable flowmeters, the gas flow rate of all the lateral gas inlet pipes 5 at each lateral position of the hearth 11 can be regulated and controlled, and flexible and accurate regulation and control of the temperature in the hearth 11 can be conveniently carried out. The temperature-adjusting air supply assembly is simple in structure, low in cost and simple and convenient to adjust and control.
In other embodiments, other forms may be used, for example, the temperature-regulated gas supply assembly comprises a gas source to which each of the central gas inlet pipe 4 and each of the lateral gas inlet pipes 5 are connected, each of the central gas inlet pipe 4 and each of the lateral gas inlet pipes 5 being provided with a third adjustable flow meter for regulating the flow rate of the gas. Like this each middle part intake pipe 4 and each lateral part intake pipe 5 ventilation speed all independently adjustable, under the prerequisite that can adjust the admission speed sum, can also adjust each middle part intake pipe 4 and each lateral part intake pipe 5 with the speed, also adjust the admission speed of each position in furnace 11, further improved the regulation and control flexibility.
In this embodiment, the air outlet of at least one middle air inlet pipe 4 of the plurality of middle air inlet pipes 4 and the air outlets of the other middle air inlet pipes 4 are located at different height positions, and the air outlet of at least one side air inlet pipe 5 of the plurality of side air inlet pipes 5 of each group of side temperature-adjustable air inlet pipe groups and the air outlets of the other side air inlet pipes 5 are located at different height positions. The air outlet of the middle air inlet pipe 4 and the air outlet of the side air inlet pipe 5 are located at different height positions, so that the air inlet at the different height positions in the hearth 11 can regulate and control the temperature in the width direction at the different height positions of the hearth 11, and the improvement of the integral temperature uniformity in the hearth 11 is facilitated.
In the embodiment, a plurality of middle air inlet pipes 4 are arranged on the furnace body 1, the plurality of middle air inlet pipes 4 are divided into a plurality of groups of middle pipe groups which are sequentially arranged at intervals in the conveying direction of the conveying device 2, and each middle pipe group comprises more than one middle air inlet pipe 4; a plurality of side air inlet pipes 5 are arranged at positions corresponding to each side part of the hearth 11 on the furnace body 1, the side air inlet pipes 5 are divided into a plurality of groups of side pipe groups which are sequentially arranged at intervals in the conveying direction of the conveying device 2, and each side pipe group comprises more than one side air inlet pipe 5. Therefore, temperature difference regulation and control can be carried out on a section of the hearth 11 in the conveying direction of the conveying device 2, the overall temperature difference of the section of the hearth 11 is improved, and the overall temperature uniformity of the section of the hearth 11 is good.
In this embodiment, the furnace walls on the two sides of the roller kiln are respectively provided with a lateral air inlet device, and the lateral air inlet device comprises more than one lateral air inlet pipeline 6 which penetrates through the furnace wall of the furnace body 1 and is communicated with the hearth 11 and a lateral air supply assembly for introducing air into the lateral air inlet pipeline 6. The side gas supply assembly leads gas to the positions of two sides of the hearth 11 through the side wall gas inlet pipelines 6, so that the temperature of the positions of the two sides of the hearth 11 can be reduced. When adjusting the difference in temperature, probably adjust excessively to make 11 both sides of furnace temperature be higher than 11 middle part temperatures in furnace, the gaseous speed that lateral part air feed subassembly let in to 11 both sides positions of furnace is adjusted to the accessible this moment, reduces the temperature of 11 both sides positions of furnace, makes temperature in the furnace 11 even, has solved the problem of the air inlet unit excessive adjustment that adjusts the temperature, can improve the temperature regulation flexibility, reduce the temperature regulation degree of difficulty. Meanwhile, the side wall air inlet pipeline 6 penetrates through the furnace wall of the furnace body 1, and gas in the side wall air inlet pipeline 6 can be preheated, so that energy consumption is saved.
In the embodiment, the temperature-adjusting gas supply assembly and the side gas supply assembly are the same group of gas supply assemblies, each gas supply assembly comprises a preheating gas inlet main pipe 7 and a gas source, the preheating gas inlet main pipe 7 penetrates through the hearth 11, one end of the preheating gas inlet main pipe 7 is connected with the gas source, and each middle gas inlet pipe 4, each side gas inlet pipe 5 and each side gas inlet pipeline 6 are connected with the other end of the preheating gas inlet main pipe 7; each side wall air inlet pipeline 6 is provided with a fourth adjustable flowmeter for adjusting the flow rate of the gas. And a set of air supply assembly is adopted for air supply, so that the simplicity and compactness of the structure can be improved, and the cost is reduced. And the preheating inlet manifold 7 penetrates through the hearth 11, so that the high-temperature gas in the hearth 11 can be used for preheating the gas in the preheating inlet manifold 7, and the purpose of saving energy consumption is achieved.
In this embodiment, the side air inlet device has a plurality of side wall air inlet pipelines 6, and the plurality of side wall air inlet pipelines 6 are sequentially arranged at intervals along the conveying direction of the conveying device 2, so as to realize temperature difference regulation and control of a section of the hearth 11 in the conveying direction of the conveying device 2; the communicating ports of the air inlet pipelines 6 on the side walls and the hearth 11 face the materials on the conveying device 2, so that the process atmosphere can be fully contacted with the materials.
In this embodiment, the roller kiln still is equipped with bottom air inlet unit, and bottom air inlet unit includes more than one bottom air inlet pipeline 8 that runs through 1 diapire of furnace body and furnace 11 intercommunication and is used for letting in gaseous bottom air feed subassembly to bottom air inlet pipeline 8. The bottom air supply assembly comprises an air source, and each bottom air inlet pipeline 8 is connected with the air source through a pipeline. The bottom air supply assembly leads process gas into the hearth 11 from the bottom of the hearth 11 through the bottom air inlet pipeline 8, the process gas is used as a main air inlet mode of the kiln to keep the atmosphere content in the kiln to meet the process requirement, the bottom air inlet pipeline 8 of the bottom air inlet device penetrates through the bottom wall of the furnace body 1 to be arranged to preheat the gas in the bottom air inlet pipeline 8, and therefore energy consumption is saved and temperature uniformity is improved. The preferred bottom air inlet pipeline 8 of this embodiment is equipped with independent adjustable flowmeter to the gaseous velocity of bottom air inlet pipeline 8 realizes getting into 11 bottoms of furnace and carries out accurate regulation and control.
In this embodiment, the heating device 3 has a lower heating element 31 located below the conveying device 2, an air baffle guide plate (not shown) located below the lower heating element 31 is arranged in the furnace 11, and the air baffle guide plate is located above a communication opening between the bottom air inlet pipeline 8 and the furnace 11, so that the air introduced into the furnace 11 from each bottom air inlet pipeline 8 flows along the bottom of the air baffle guide plate to the periphery of the air baffle guide plate and enters the furnace 11 above the air baffle guide plate. The gas baffle guide plate enables gas to flow along the bottom of the gas baffle guide plate to the periphery of the gas baffle guide plate and enter the hearth 11 above the gas baffle guide plate, so that the gas is favorably and fully heated in the lower area of the hearth 11, the gas at lower temperature is prevented from being directly blown to materials, and the uniformity of the atmosphere in the hearth 11 is favorably improved. Meanwhile, a large amount of gas enters the hearth 11 from the bottom, and the lower heating element with independently adjustable heat productivity heats the gas, so that the temperature uniformity control difficulty of the roller kiln is reduced by utilizing the characteristic of temperature control of the roller kiln, and the stability of the temperature uniformity in the furnace is facilitated.
When the roller kiln of the embodiment actually works, the air inlet speed of the middle air inlet pipe 4, the air inlet speed of the side air inlet pipe 5 and the air inlet speed of the side air inlet device are far less than the air inlet speed of the bottom air inlet device as long as the air inlet of the middle air inlet pipe 4, the air inlet of the side air inlet pipe 5 and the air inlet of the side air inlet device play a role in regulating and controlling a temperature field and an atmosphere field.
In this embodiment, the heating device 3 is further provided with an upper heating element 32 above the conveying device 2, and the lower heating element 31 and the upper heating element 32 are both of the prior art and are heating rods arranged to penetrate through the hearth 11. Preferably, the air outlets of the middle air inlet pipes 4 and the side air inlet pipes 5 are both located below the upper heating element 32 and above the conveying device 2, and the openings of the air outlets of the middle air inlet pipes 4 and the side air inlet pipes 5 are arranged downward. The gas that gets into furnace 11 through middle part intake pipe 4 and lateral part intake pipe 5 does not heat through upper portion heating element 32, does benefit to quick, the efficient and improves the difference in temperature, and the gas that gets into furnace 11 through middle part intake pipe 4 and each lateral part intake pipe 5 simultaneously directly blows the material to conveyor 2 on, does benefit to technological atmosphere and material fully contact.
The conveying device 2 in this embodiment is the prior art, and includes a plurality of conveying roller rods arranged at intervals in sequence and a driving mechanism for driving the conveying roller rods to rotate so as to convey materials.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a roller kilns, is including furnace body (1) that has furnace (11), install conveyor (2) and heating device (3) in furnace (11), its characterized in that: install on furnace body (1) and be used for letting in more than one middle part intake pipe (4) of adjusting the temperature gas to furnace (11) middle part position department, correspond furnace (11) two lateral part position departments on furnace body (1) and all be equipped with and be used for letting in more than one lateral part intake pipe (5) of adjusting the temperature gas to furnace (11) lateral part position department, roller kilns is still including being used for letting in the gas that adjusts the temperature, and make all middle part intake pipe (4) admission speed sum be greater than the air feed subassembly that adjusts the temperature of all lateral part intake pipes (5) admission speed sum of each lateral part position department of furnace (11) to each middle part intake pipe (4) and each lateral part intake pipe (5).
2. The roller kiln according to claim 1, characterized in that: the temperature-adjusting gas supply assembly comprises a gas source, all middle gas inlet pipes (4) are connected with the gas source through a first gas inlet main pipe, a first adjustable flow meter used for adjusting the gas flow rate is arranged on the first gas inlet main pipe, all lateral gas inlet pipes (5) at each lateral position of the hearth (11) are connected with the gas source through a second gas inlet main pipe, and a second adjustable flow meter used for adjusting the gas flow rate is arranged on the second gas inlet main pipe.
3. The roller kiln according to claim 1, characterized in that: the temperature-adjusting gas supply assembly comprises a gas source, each middle gas inlet pipe (4) and each lateral gas inlet pipe (5) are connected with the gas source, and each middle gas inlet pipe (4) and each lateral gas inlet pipe (5) are provided with a third adjustable flowmeter for adjusting the flow rate of gas.
4. The roller kiln according to claim 1, characterized in that: a plurality of middle air inlet pipes (4) are arranged on the furnace body (1), and the air outlet of at least one middle air inlet pipe (4) in the plurality of middle air inlet pipes (4) and the air outlets of other middle air inlet pipes (4) are positioned at different height positions; a plurality of lateral air inlet pipes (5) are arranged on the furnace body (1) corresponding to each lateral position of the hearth (11), and the air outlet of at least one lateral air inlet pipe (5) in the plurality of lateral air inlet pipes (5) of each lateral temperature-adjusting air inlet pipe group is positioned at a position with different heights from the air outlets of other lateral air inlet pipes (5).
5. The roller kiln according to claim 1, characterized in that: a plurality of middle air inlet pipes (4) are arranged on the furnace body (1), the middle air inlet pipes (4) are divided into a plurality of groups of middle pipe groups which are sequentially arranged at intervals in the conveying direction of the conveying device (2), and each middle pipe group comprises more than one middle air inlet pipe (4); the utility model discloses a furnace body, including furnace body (1), furnace (11) are gone up and are corresponded each lateral part position department and install many lateral part intake pipe (5), and many lateral part intake pipe (5) divide into the multiunit lateral part nest of tubes of interval arrangement in proper order in conveyor (2) direction of delivery, and each lateral part nest of tubes contains more than one lateral part intake pipe (5).
6. The roller kiln according to claim 1, characterized in that: and the furnace walls on two sides of the roller kiln are respectively provided with a lateral air inlet device, and each lateral air inlet device comprises more than one lateral air inlet pipeline (6) which penetrates through the furnace wall of the furnace body (1) and is communicated with the hearth (11) and a lateral air supply assembly for introducing air into the lateral air inlet pipeline (6).
7. The roller kiln according to claim 6, characterized in that: the temperature-adjusting gas supply assembly and the side gas supply assembly are the same group of gas supply assembly, the gas supply assembly comprises a preheating gas inlet main pipe (7) and a gas source, the preheating gas inlet main pipe (7) penetrates through the hearth (11) to be arranged, one end of the preheating gas inlet main pipe (7) is connected with the gas source, and each middle gas inlet pipe (4), each side gas inlet pipe (5) and each side wall gas inlet pipeline (6) are connected with the other end of the preheating gas inlet main pipe (7); and each side wall air inlet pipeline (6) is provided with a fourth adjustable flowmeter for adjusting the flow rate of the gas.
8. The roller kiln according to claim 6, characterized in that: the side air inlet device is provided with a plurality of side wall air inlet pipelines (6), and the side wall air inlet pipelines (6) are sequentially arranged at intervals along the conveying direction of the conveying device (2); the communicating opening of each side wall air inlet pipeline (6) and the hearth (11) faces to the materials on the conveying device (2).
9. Roller kiln according to any one of claims 1 to 8, characterized in that: the roller kiln is further provided with a bottom air inlet device, wherein the bottom air inlet device comprises more than one bottom air inlet pipeline (8) which penetrates through the bottom wall of the furnace body (1) and is communicated with the hearth (11) and a bottom air supply assembly which is used for introducing air into the bottom air inlet pipeline (8).
10. The roller kiln according to claim 9, characterized in that: the heating device (3) is provided with a lower heating element (31) positioned below the conveying device (2), an air baffle plate positioned below the lower heating element (31) is arranged in the hearth (11), the air baffle plate is positioned above a communicating opening of the bottom air inlet pipeline (8) and the hearth (11), and gas entering the hearth (11) above the air baffle plate flows along the bottom of the air baffle plate towards the periphery of the air baffle plate by each bottom air inlet pipeline (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922447435.1U CN211626062U (en) | 2019-12-30 | 2019-12-30 | Roller kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922447435.1U CN211626062U (en) | 2019-12-30 | 2019-12-30 | Roller kiln |
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| Publication Number | Publication Date |
|---|---|
| CN211626062U true CN211626062U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922447435.1U Active CN211626062U (en) | 2019-12-30 | 2019-12-30 | Roller kiln |
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| CN (1) | CN211626062U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197577A (en) * | 2020-10-10 | 2021-01-08 | 苏州汇科机电设备有限公司 | Electronic kiln with air inlet preheating function |
| WO2022073296A1 (en) * | 2020-10-10 | 2022-04-14 | 苏州汇科机电设备有限公司 | Electronic furnace having uniform gas supply function |
| WO2022116547A1 (en) * | 2020-12-01 | 2022-06-09 | 信诺先端热工科技(苏州)有限公司 | Continuous kiln and thermal treatment or thermal chemical processing method |
-
2019
- 2019-12-30 CN CN201922447435.1U patent/CN211626062U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197577A (en) * | 2020-10-10 | 2021-01-08 | 苏州汇科机电设备有限公司 | Electronic kiln with air inlet preheating function |
| CN112197577B (en) * | 2020-10-10 | 2021-09-21 | 苏州汇科机电设备有限公司 | Electronic kiln with air inlet preheating function |
| WO2022073296A1 (en) * | 2020-10-10 | 2022-04-14 | 苏州汇科机电设备有限公司 | Electronic furnace having uniform gas supply function |
| WO2022073295A1 (en) * | 2020-10-10 | 2022-04-14 | 苏州汇科机电设备有限公司 | Electronic kiln having inlet air preheating function |
| WO2022116547A1 (en) * | 2020-12-01 | 2022-06-09 | 信诺先端热工科技(苏州)有限公司 | Continuous kiln and thermal treatment or thermal chemical processing method |
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