Energy-saving low-temperature roller kiln

Abstract

The utility model relates to the technical field of low-temperature roller kilns, and discloses an energy-saving low-temperature roller kiln which comprises a rolling shaft which is rotationally connected with the interior of a kiln shell, a heating main body is arranged below the rolling shaft, a heat preservation assembly is arranged on one side of the heating main body, an airflow guide block is arranged above the rolling shaft, and one end of the airflow guide block is fixedly connected with a U-shaped ventilation pipe. The heat preservation assembly comprises a shell, an air inlet pipe is arranged on one side of the shell, a set of rotating blades are arranged in the shell, the rotating blades are in gear engagement with a gear rod, the gear rod is in gear engagement with a second gear rod, and one end of the second gear rod is fixedly connected with a motor. The second gear rod is rotationally connected with the interior of the fixing support, the fixing support is fixedly connected with the ventilation plate, the influence of cooling airflow on heat of the firing zone is effectively reduced, and therefore fuel or electric energy consumption needed for maintaining the temperature in the kiln is reduced, and meanwhile the temperature in the kiln is more stable and even in distribution.

Description

Technical Field

[0001] The utility model relates to the technical field of low-temperature roller kilns, in particular to an energy-saving low-temperature roller kiln. Background Art

[0002] A roller kiln is a tunnel kiln with a long and narrow cross-section. It is composed of rollers arranged in parallel and crossing the cross-section of the kiln's working channel. The products are placed on the rollers and transported into the kiln as the rollers rotate. The firing process is completed in the kiln. The roller kiln has a kiln body and a rod group composed of multiple rollers. The kiln body has a preheating zone, a firing zone and a cooling zone. During use, the cooling zone is close to the firing zone, causing the cooling airflow to take away a large amount of heat, resulting in partial heat loss, which means that more fuel or electricity is needed to maintain the temperature in the kiln, thereby increasing energy consumption in the production process.

[0003] Therefore, we propose an energy-saving low-temperature roller kiln. Utility Model Content

[0004] The purpose of the utility model is to provide an energy-saving low-temperature roller kiln to solve the problem raised in the above-mentioned background technology that due to the proximity of the cooling zone to the firing zone, the cooling airflow takes away a large amount of heat, causing partial heat loss, which means that more fuel or electricity is needed to maintain the temperature in the kiln, thereby increasing the energy consumption in the production process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving low-temperature roller kiln, comprising a roller rotatably connected to the inside of a kiln shell, a heating body is provided below the roller, a heat preservation assembly is provided on one side of the heating body, an airflow guide block is provided above the roller, one end of the airflow guide block is fixedly connected to a U-shaped ventilation pipe, the other end of the U-shaped ventilation pipe passes through the outer wall of the kiln shell and extends to the top of the heat preservation belt inside the kiln shell, the heat preservation assembly comprises an outer shell, one side of the outer shell is provided with an air inlet pipe, a group of rotating blades are inside the outer shell, the rotating blade gear meshes with a gear rod, the gear rod gear meshes with gear rod two, one end of the gear rod two is fixedly connected to a motor, the gear rod two is rotatably connected to the inside of a fixed bracket, and the fixed bracket is fixedly connected to a ventilation plate.

[0006] Preferably, a lower limit block is provided inside the shell, and one end of the rotating blade is rotatably connected inside the lower limit block.

[0007] Preferably, the other end of the rotating blade is rotatably connected to an upper limit block, and the upper limit block is fixedly connected to the bottom of the ventilation plate.

[0008] Preferably, a plurality of fixed brackets are fixedly connected to the bottom of the ventilation plate, a positioning screw is provided on one side of the fixed bracket, and the positioning screw is slidably connected to the gear rod and the wheel rod 2.

[0009] Preferably, a sliding groove is provided in the middle of the gear rod and the wheel rod, and the sliding groove is slidably connected to one end of the positioning screw.

[0010] Preferably, a filter plate is provided inside the air intake pipe, and the filter plate is plugged into and matched with the air intake pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model has a heating body arranged inside a kiln shell, a heat preservation component arranged on one side of the heating body, the heat preservation component comprising an outer shell, an air inlet pipe arranged on one side of the outer shell, a group of rotating blades arranged inside the outer shell, the rotating blades meshing with a gear rod through a gear, the gear rod meshing with a second gear rod through a gear, one end of the second gear rod being fixedly connected to a motor, an air flow guide block arranged above the heat preservation component, one end of the air flow guide block being fixedly connected to a U-shaped ventilation pipe, the U-shaped ventilation pipe further guiding the air flow to the top of the heat preservation belt inside the kiln shell, effectively reducing the influence of the cooling air flow on the heat of the firing belt, thereby reducing the fuel or electric energy consumption required to maintain the temperature inside the kiln, and making the temperature inside the kiln more stable and evenly distributed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the overall cross section of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the cross section of the thermal insulation component of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the thermal insulation component of the utility model;

[0016] Figure 4 It is a schematic structural diagram of the overall cross-section of the utility model;

[0017] In the figure: 1. roller; 2. kiln shell; 3. heating body; 4. insulation component; 5. air flow guide block; 6. U-shaped ventilation pipe; 7. insulation belt; 8. motor; 401. shell; 402. air inlet pipe; 403. rotating blade; 404. gear rod; 405. gear rod two; 406. fixed bracket; 407. ventilation plate; 408. lower limit block; 409. upper limit block; 410. positioning screw; 411. filter plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] See also Figure 1-Figure 4 The energy-saving low-temperature roller kiln shown in the figure includes a roller 1 rotatably connected to the inside of a kiln shell 2, a heating body 3 is provided below the roller 1, a heat preservation assembly 4 is provided on one side of the heating body 3, an airflow guide block 5 is provided above the roller 1, one end of the airflow guide block 5 is fixedly connected to a U-shaped ventilation pipe 6, the other end of the U-shaped ventilation pipe 6 passes through the outer wall of the kiln shell 2 and extends to the top of the heat preservation belt 7 inside the kiln shell 2, the heat preservation assembly 4 includes an outer shell 401, an air inlet pipe 402 is provided on one side of the outer shell 401, a group of rotating blades 403 are inside the outer shell 401, the rotating blades 403 are gear-engaged with a gear rod 404, the gear of the gear rod 404 is gear-engaged with a gear rod 2 405, one end of the gear rod 2 405 is fixedly connected to a motor 8, and the gear rod 2 405 is rotatably connected to the inside of a fixed bracket 406, The fixed bracket 406 is fixedly connected to the ventilation plate 407. The utility model is provided with a heating body inside the kiln shell, and a heat preservation component is provided on one side of the heating body. The heat preservation component includes an outer shell, an air inlet pipe is provided on one side of the outer shell, and a group of rotating blades are provided inside the outer shell. The rotating blades are meshed with a gear rod through a gear, and the gear rod is meshed with a gear rod 2 through a gear, and one end of the gear rod 2 is fixedly connected to the motor. An airflow guide block is provided above the heat preservation component, and one end of the airflow guide block is fixedly connected to a U-shaped ventilation pipe. The U-shaped ventilation pipe further guides the airflow to the top of the heat preservation belt inside the kiln shell, effectively reducing the influence of the cooling airflow on the heat of the firing belt, thereby reducing the fuel or electricity consumption required to maintain the temperature in the kiln, and at the same time making the temperature in the kiln more stable and evenly distributed.

[0021] Furthermore, a lower limit block 408 is provided inside the outer shell 401, and the lower limit block 408 is rotatably connected to one end of the rotating blade 403. By providing the lower limit block inside the outer shell and rotatably connecting one end of the rotating blade inside the lower limit block, the lower limit block provides a stable rotation fulcrum for the rotating blade, thereby ensuring the stability and reliability of the blade during rotation, reducing possible shaking or deviation of the blade during operation, and controlling the direction and flow of the airflow to adjust the atmosphere and temperature in the kiln.

[0022] Furthermore, the other end of the rotating blade 403 is rotatably connected to the upper limit block 409, and the upper limit block 409 is fixedly connected to the bottom of the ventilation plate 407. The other end of the rotating blade is rotatably connected to the upper limit block, and at the same time, the upper limit block is fixedly connected to the bottom of the ventilation plate. The upper limit block is fixedly connected to the bottom of the ventilation plate, which provides another stable fulcrum for the rotating blade. Together with the lower limit block, the rotation of the blade is smoother, reducing vibration and instability during operation, ensuring smooth passage of airflow, and the rotating blade rotates under the constraints of the upper and lower limit blocks, which can effectively guide and control the airflow, thereby improving the ventilation efficiency inside the kiln, contributing to the uniform distribution of heat inside the kiln, and preventing the occurrence of local overheating or overcooling areas.

[0023] Furthermore, a plurality of fixed brackets 406 are fixedly connected to the bottom of the ventilation plate 407, a positioning screw 410 is provided on one side of the fixed bracket 406, and the positioning screw 410 is slidably connected to the gear rod 404 and the wheel rod 2 405. The fixed connection between the bottom of the ventilation plate and the plurality of fixed brackets can effectively resist the vibration and impact force generated during the operation of the rotating blades, ensuring that the various components maintain a stable relative position during long-term operation, thereby extending the service life of the equipment.

[0024] Furthermore, a sliding groove is opened in the middle of the gear rod 404 and the wheel rod 2 405, and the sliding groove is slidably connected to one end of the positioning screw 410. By opening the sliding groove in the middle of the gear rod and the gear rod 2, the two rods can be flexibly adjusted within a certain range, thereby enhancing the flexibility of the structure. The stability of the gear rod and the gear rod 2 is ensured by the close fit between the positioning screw and the sliding groove.

[0025] Furthermore, a filter plate 411 is provided inside the air inlet pipe 402, and the filter plate 411 is plugged into the air inlet pipe 402. By providing the filter plate inside the air inlet pipe, the gas entering the kiln can be effectively filtered and purified, and impurities and particulate matter in the gas can be removed to prevent them from entering the kiln and causing adverse effects on the production process and product quality.

[0026] In this scheme, the working process is as follows: first, the material is placed on the roller, and as the roller rotates, the material moves in the kiln. The heating body is located under the roller and is responsible for heating the material.

[0027] During the heating process, the insulation component plays a key role. It helps to maintain the stability of the temperature in the kiln and reduce heat loss. A group of rotating blades are installed inside the outer shell of the insulation component. These blades are meshed with the gear rod and gear rod 2 through gears to form a transmission system. When the motor is started, it will drive the gear rod 2 to rotate, and then drive the rotating blades to rotate.

[0028] The rotation of the rotary blades promotes the air circulation inside the kiln shell. The air flow guide block is located above the roller, and its function is to guide the air flow to the U-shaped ventilation pipe. The other end of the U-shaped ventilation pipe passes through the outer wall of the kiln shell and extends to the top of the insulation belt inside the kiln shell, thus forming a closed loop.

[0029] The air intake pipe is responsible for delivering fresh air or combustion-supporting gas into the kiln. The filter plate inside the air intake pipe can filter out impurities in the air entering the kiln to ensure the purity of the kiln environment.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving low-temperature roller kiln, comprising a roller (1), characterized in that: The roller (1) is rotatably connected to the inside of the kiln shell (2); a heating body (3) is provided below the roller (1); a heat preservation component (4) is provided on one side of the heating body (3); an airflow guide block (5) is provided above the roller (1); one end of the airflow guide block (5) is fixedly connected to a U-shaped ventilation pipe (6); the other end of the U-shaped ventilation pipe (6) passes through the outer wall of the kiln shell (2) and extends to the top of a heat preservation belt (7) inside the kiln shell (2); the heat preservation component (4) comprises an outer shell (401); An air inlet pipe (402) is provided on one side of the housing (401), a group of rotating blades (403) are provided inside the housing (401), the rotating blades (403) are gear-engaged with a gear rod (404), the gear of the gear rod (404) is gear-engaged with a second gear rod (405), one end of the second gear rod (405) is fixedly connected to a motor (8), the second gear rod (405) is rotatably connected to the inside of a fixed bracket (406), and the fixed bracket (406) is fixedly connected to a ventilation plate (407).

2. The energy-saving low-temperature roller kiln according to claim 1, characterized in that: A lower limit block (408) is provided inside the housing (401), and the lower limit block (408) is rotatably connected to one end of the rotating blade (403).

3. The energy-saving low-temperature roller kiln according to claim 2, characterized in that: The other end of the rotating blade (403) is rotatably connected to an upper limit block (409), and the upper limit block (409) is fixedly connected to the bottom of the ventilation plate (407).

4. The energy-saving low-temperature roller kiln according to claim 3, characterized in that: The bottom of the ventilation plate (407) is fixedly connected to a plurality of fixed brackets (406), one side of the fixed bracket (406) is provided with a positioning screw (410), and the positioning screw (410) is slidably connected to the gear rod (404) and the second wheel rod (405).

5. The energy-saving low-temperature roller kiln according to claim 4, characterized in that: The gear rod (404) and the second wheel rod (405) are provided with sliding grooves in the middle, and the sliding grooves are slidably connected to one end of the positioning screw rod (410).

6. The energy-saving low-temperature roller kiln according to claim 1, characterized in that: A filter plate (411) is provided inside the air intake pipe (402), and the filter plate (411) is plugged into and matched with the air intake pipe (402).

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