A heating device for producing fly ash autoclaved bricks

Abstract

The present invention discloses a heating device for producing fly ash autoclaved bricks, and relates to the technical field of fly ash autoclaved bricks. The invention aims to solve the problem that the existing autoclaved fly ash brick heating steam equipment in the prior art needs to accurately calculate the heating and cooling time of the brick body during processing, because a large amount of heat energy will still exist inside the tank body after the heating is stopped, and the brick body needs to be finished with the help of residual heat. Once the residual heat time or temperature is improperly controlled, the brick body structure will be defective. There are multiple brick body heating steam tanks, and the brick body heating steam tanks are connected by flange sleeves. A first tank body transfer box is provided at one end of the brick body heating steam tank, and a second tank body transfer box is provided at the other end of the brick body heating steam tank. The first tank body transfer box and the second tank body transfer box are connected to the brick body heating steam tank by flange sleeves, and a movable base frame is provided at the bottom of the brick body heating steam tank.

Description

Technical Field

[0001] The invention relates to the technical field of fly ash autoclaved bricks, in particular to a heating device for producing fly ash autoclaved bricks. Background Art

[0002] Autoclaved fly ash brick refers to a fly ash brick made of fly ash, lime or cement as the main raw materials, with appropriate amount of gypsum and aggregate, prepared by mixing, pressed into shape, and cured under high pressure or normal pressure or naturally cured. Fly ash bricks are made of fly ash and lime as the main raw materials, with appropriate amount of gypsum and aggregate, prepared by blank material, pressed into shape, and cured by high pressure steam. There are two types of fly ash bricks: autoclaved fly ash bricks and autoclaved fly ash bricks. Autoclaved fly ash bricks refer to fly ash bricks made by high pressure steam curing. Autoclaved fly ash bricks refer to fly ash bricks made by steam curing under normal pressure. The raw materials and production processes of these two types of bricks are basically the same, except that their curing processes are different and they have different properties. Autoclaved fly ash bricks are cured in saturated steam pressure (steam temperature above 174.5℃, working pressure above 0.8MPa) to allow the active components in the bricks to fully undergo hydrothermal reactions, so the bricks have high strength and stable performance. However, autoclaved fly ash bricks may have cracks in the wall. The compressive strength of autoclaved fly ash bricks is generally high, reaching 20MPa or 15MPa, at least 10MPa, and can withstand the anti-freeze requirements of 15 freeze-thaw cycles. In addition, fly ash bricks are a potentially active hydraulic material that can continue to produce hydration reactions in a humid environment to make the internal structure of the bricks denser, which is conducive to improving strength.

[0003] However, the existing autoclaved fly ash brick heating steam equipment needs to accurately calculate the heating and cooling time of the brick body during processing, because there will still be a large amount of heat energy inside the tank after the heating is stopped, and the brick body needs to be finished with the waste heat. Once the waste heat time or temperature is improperly controlled, it will cause defects in the brick structure; therefore, it does not meet the existing needs. In this regard, we propose a heating device for the production of fly ash autoclaved bricks. Summary of the invention

[0004] The object of the present invention is to provide a heating device for the production of fly ash autoclaved bricks, so as to solve the problem that the existing autoclaved fly ash brick heating steam equipment proposed in the above background technology needs to accurately calculate the heating and cooling time of the brick body during processing, because there will still be a large amount of heat energy inside the tank body after the heating is stopped, and the brick body needs to be finished with the help of residual heat. Once the residual heat time or temperature is improperly controlled, it will cause defects in the brick structure.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a heating device for producing fly ash autoclaved bricks, comprising a brick heating steamer, wherein there are a plurality of brick heating steamers, and the brick heating steamers are connected by flange sleeves, a first tank transfer box is arranged at one end of the brick heating steamer, and a second tank transfer box is arranged at the other end of the brick heating steamer, the first tank transfer box and the second tank transfer box are connected to the brick heating steamer by flange sleeves, a movable base is arranged at the bottom of the brick heating steamer, and the movable base is connected to the brick heating steamer The hot steam tank is connected by bolts, and load-bearing wheels are arranged at the bottom of the mobile base frame. Recovery ports are arranged on the inner sides of the first tank body transfer box and the second tank body transfer box, and there are four recovery ports. A heat energy recovery pipeline is arranged on the outer side of the recovery port, and the heat energy recovery pipeline is connected to the recovery port through a flange. An energy transfer valve body is arranged in the middle section of the heat energy recovery pipeline, and tank body valve ports are arranged on both sides of the energy transfer valve body, and the tank body valve port is connected to the heat energy recovery pipeline through a flange, and a transfer valve port is arranged on the outer side of the energy transfer valve body.

[0006] Preferably, a power supply box is arranged on the top of the first tank body transfer box and the second tank body transfer box, and the power supply box is connected to the first tank body transfer box and the second tank body transfer box by bolts, and a motor cover is arranged on both sides of the first tank body transfer box and the second tank body transfer box, and the motor cover is connected to the first tank body transfer box and the second tank body transfer box by bolts.

[0007] Preferably, tank openings are arranged on the outer sides of the first tank body transfer box and the second tank body transfer box, and sealing valve plates are arranged on the outer surfaces of the tank openings, and the sealing valve plates are rotatably connected to the tank openings via hinges.

[0008] Preferably, a transfer chamber is provided inside the first tank body transfer box and the second tank body transfer box, and a fan assembly is provided around the transfer chamber. The transfer chamber is connected to the recovery port through the fan assembly. A drive motor is provided between the fan assemblies, and the drive motor is electrically connected to the fan assembly.

[0009] Preferably, a temperature sensor is provided inside the transfer chamber, and the model of the temperature sensor is NF-NTC, and a valve plate is provided at the connection between the transfer chamber and the brick heating steamer.

[0010] Preferably, the brick heating steamer includes a heating tank cavity and a diffusion cavity, and the diffusion cavity is arranged outside the heating tank cavity, a heat conductive layer is arranged between the heating tank cavity and the diffusion cavity, and a heat insulating layer is arranged outside the diffusion cavity, and a heating magnetic coil is arranged inside the diffusion cavity.

[0011] Preferably, a line track is provided at the bottom of the heating tank cavity, and the line track is connected to the heating tank cavity by screws, a brick body placement rack is provided above the line track, and an electric-controlled pulley is provided at the bottom of the brick body placement rack, and the brick body placement rack is slidably connected to the line track through the electric-controlled pulley.

[0012] Preferably, a three-way conversion valve is provided inside the energy delivery valve body, and the three-way conversion valve is connected to the tank valve port and the transfer valve port through a pipeline.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The present invention pumps the waste heat inside the tank body into the heat recovery pipeline through the fan assembly, and the heat inside the tank body can be recovered through the heat recovery pipeline. At the same time, the temperature inside the tank body can be timely reduced to achieve cooling operation. After that, the heat energy inside the heat recovery pipeline enters the inside of the energy delivery valve body through the tank body valve port, and then the three-way conversion valve is controlled to adjust the energy delivery direction according to the usage situation. The energy delivery valve body then delivers the recovered heat to the exchanger or to other brick heating steam tanks through the transfer valve port, thereby realizing resource recycling and reducing cost loss;

[0015] 2. The present invention can select different numbers of brick heating steamers for combined use according to different processing conditions, thereby improving processing efficiency. A set of tank transfer boxes are respectively installed at both ends of the assembled brick heating steamer. During processing, the tank transfer boxes at both ends can perform material loading and unloading operations at the same time, and can also load materials at one end and discharge materials at the other end;

[0016] 3. A valve plate is provided at the connection between the transfer chamber and the brick heating steamer of the present invention. The valve plate can be closed during the processing of the brick body to separate the transfer chamber from the heating tank chamber to prevent heat loss. At the same time, a fan assembly is provided around the transfer chamber. The fan assembly is controlled by a forward and reverse motor, which can realize both air supply and exhaust functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall front view of the present invention;

[0018] Figure 2 It is a schematic diagram of the structure of the energy delivery valve body of the present invention;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the energy delivery valve body of the present invention;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of a brick heating steamer of the present invention;

[0021] Figure 5It is a schematic diagram of the cross-sectional structure of the transfer chamber of the present invention.

[0022] In the figure: 1. Brick heating steam tank; 2. First tank transfer box; 3. Second tank transfer box; 4. Tank mouth; 5. Sealing valve plate; 6. Motor housing; 7. Power supply box; 8. Mobile base frame; 9. Recovery port; 10. Heat recovery pipeline; 11. Flange clamp; 12. Insulation layer; 13. Diffusion chamber; 14. Heating magnetic ring; 15. Heat conductive layer; 16. Heating tank chamber; 17. Load-bearing wheel; 18. Brick placement rack; 19. Electric control pulley; 20. Line track; 21. Transfer chamber; 22. Fan assembly; 23. Drive motor; 24. Temperature sensor; 25. Energy transfer valve body; 26. Tank valve mouth; 27. Transfer valve mouth; 28. Three-way conversion valve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] See also Figure 1-5An embodiment of the present invention is a heating device for producing fly ash autoclaved bricks, comprising a brick heating steamer 1, wherein there are a plurality of brick heating steamers 1, and the brick heating steamers 1 are connected by flange sleeves 11, and different numbers of brick heating steamers 1 can be selected for combined use according to different processing conditions, thereby improving the processing efficiency, a first tank transfer box 2 is provided at one end of the brick heating steamer 1, and a second tank transfer box 3 is provided at the other end of the brick heating steamer 1, and the first tank transfer box 2 and the second tank transfer box 3 are connected to the brick heating steamer 1 The two ends of the assembled brick heating steamer 1 are connected by flange sleeves 11, and a group of tank transfer boxes are respectively installed. During processing, the tank transfer boxes at both ends can perform material feeding and discharging operations at the same time, and can also feed materials at one end and discharge materials at the other end. A mobile base frame 8 is provided at the bottom of the brick heating steamer 1, and the mobile base frame 8 is connected to the brick heating steamer 1 by bolts. A load-bearing wheel 17 is provided at the bottom of the mobile base frame 8. The mobile base frame 8 cooperates with the load-bearing wheel 17 at the bottom to realize the mobile operation of the brick heating steamer 1, which is convenient for assembly operation between tanks. The first tank transfer box 2 and the first tank transfer box 3 are connected to each other. A recovery port 9 is arranged inside the second tank transfer box 3, and there are four recovery ports 9, which correspond to the four sets of fans inside the tank transfer box. A heat recovery pipeline 10 is arranged outside the recovery port 9, and the heat recovery pipeline 10 is connected to the recovery port 9 through a flange. The heat inside the tank can be recovered through the heat recovery pipeline 10, and the temperature inside the tank can be timely reduced to achieve cooling operation. An energy delivery valve body 25 is arranged in the middle section of the heat recovery pipeline 10, and tank valves are arranged on both sides of the energy delivery valve body 25. The tank body valve port 26 is connected to the heat recovery pipeline 10 through a flange. The heat energy inside the heat recovery pipeline 10 enters the interior of the energy delivery valve body 25 through the tank body valve port 26. Then, the three-way conversion valve 28 is controlled to adjust the energy delivery direction according to the usage. A transfer valve port 27 is arranged on the outside of the energy delivery valve body 25. The energy delivery valve body 25 can transfer the recovered heat to the exchanger or transfer the heat to other brick heating steam tanks 1 through the transfer valve port 27, thereby realizing the recycling of resources and reducing cost losses.

[0025] Furthermore, a power supply box 7 is arranged on the top of the first tank body transfer box 2 and the second tank body transfer box 3, and the power supply box 7 is connected to the first tank body transfer box 2 and the second tank body transfer box 3 by bolts, and motor housing covers 6 are arranged on both sides of the first tank body transfer box 2 and the second tank body transfer box 3 for protection, and the motor housing cover 6 is connected to the first tank body transfer box 2 and the second tank body transfer box 3 by bolts.

[0026] Furthermore, a tank opening 4 is provided on the outside of the first tank body adapter box 2 and the second tank body adapter box 3, and a sealing valve plate 5 is provided on the outer surface of the tank opening 4. The sealing valve plate 5 is rotatably connected to the tank opening 4 through a hinge to facilitate opening and closing.

[0027] Furthermore, a transfer chamber 21 is provided inside the first tank body transfer box 2 and the second tank body transfer box 3, and a fan assembly 22 is provided around the transfer chamber 21. The fan assembly 22 is controlled by a forward and reverse motor, which can realize both the air supply power consumption and the exhaust function. The transfer chamber 21 is connected with the recovery port 9 through the fan assembly 22. A drive motor 23 is provided between the fan assembly 22, and the drive motor 23 is electrically connected to the fan assembly 22. When the brick body is processed, the valve plate between the transfer chamber 21 and the heating tank chamber 16 is opened, and the residual heat inside the tank body is pumped into the heat energy recovery pipeline 10 through the fan assembly 22.

[0028] Furthermore, a temperature sensor 24 is provided inside the transfer chamber 21, and the model of the temperature sensor 24 is NF53-NTC. The temperature value inside the transfer chamber 21 can be detected by the temperature sensor 24. A valve plate is provided at the connection between the transfer chamber 21 and the brick heating steamer 1. During the processing of the brick body, the valve plate can be closed to separate the transfer chamber 21 from the heating tank chamber 16 to prevent heat loss.

[0029] Furthermore, the brick heating steamer 1 includes a heating tank cavity 16 and a diffusion cavity 13, and the diffusion cavity 13 is arranged on the outside of the heating tank cavity 16, a heat conducting layer 15 is arranged between the heating tank cavity 16 and the diffusion cavity 13, and a heat insulating layer 12 is arranged on the outside of the diffusion cavity 13, and a heating magnetic coil 14 is arranged inside the diffusion cavity 13. The heating magnetic coil 14 can generate heat when powered on, and the heat enters the interior of the heating tank cavity 16 through the heat conducting layer 15 to heat the brick body.

[0030] Furthermore, a line track 20 is provided at the bottom of the heating tank cavity 16, and the line track 20 is connected to the heating tank cavity 16 by screws. The length of the line track 20 is the same as the length of the heating tank cavity 16, and the tracks inside multiple heating tank cavities 16 can be spliced ​​and used. A brick body placement rack 18 is provided above the line track 20, and an electric-controlled pulley 19 is provided at the bottom of the brick body placement rack 18. The brick body placement rack 18 is slidably connected to the line track 20 through the electric-controlled pulley 19. During processing, the pressed bricks are placed on the brick body placement rack 18, and then sent into the interior of the heating tank cavity 16 along the line track 20 through the electric-controlled pulley 19 at the bottom of the brick body placement rack 18.

[0031] Furthermore, a three-way conversion valve 28 is provided inside the energy transfer valve body 25, and the three-way conversion valve 28 is connected to the tank valve port 26 and the transfer valve port 27 through a pipeline, and the three-way conversion valve 28 is used to realize the transfer direction between the tank valve port 26 and the transfer valve port 27.

[0032] Working principle: When in use, the pressed bricks are placed on the brick placement rack 18, and then sent to the interior of the heating tank cavity 16 through the electric control pulley 19 at the bottom of the brick placement rack 18 along the line track 20. A heat-conducting layer 15 is arranged between the heating tank cavity 16 and the diffusion cavity 13, and a heating magnetic ring 14 is arranged inside the diffusion cavity 13. The heating magnetic ring 14 can generate heat after being energized. The heat enters the interior of the heating tank cavity 16 through the heat-conducting layer 15 to heat the bricks. After the bricks are processed, the valve plate between the transfer cavity 21 and the heating tank cavity 16 is opened, and the inside of the tank is blown away by the fan assembly 22. The waste heat is pumped into the heat recovery pipeline 10, through which the heat inside the tank can be recovered, and at the same time, the temperature inside the tank can be timely reduced to achieve cooling operation. After that, the heat energy inside the heat recovery pipeline 10 enters the interior of the energy delivery valve body 25 through the tank valve port 26, and then the three-way conversion valve 28 is controlled to adjust the direction of energy delivery according to the usage. The energy delivery valve body 25 then delivers the recovered heat to the exchanger through the transfer valve port 27 or delivers the heat to other brick heating steam tanks 1, thereby realizing resource recycling and reducing cost losses.

[0033] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A heating device for producing fly ash autoclaved bricks, comprising a brick heating steamer (1), characterized in that: There are a plurality of brick-body heating steamers (1), and the brick-body heating steamers (1) are connected to each other via flange sleeves (11); a first tank transfer box (2) is provided at one end of the brick-body heating steamer (1), and a second tank transfer box (3) is provided at the other end of the brick-body heating steamer (1); the first tank transfer box (2) and the second tank transfer box (3) are connected to the brick-body heating steamer (1) via flange sleeves (11); a movable base frame (8) is provided at the bottom of the brick-body heating steamer (1), and the movable base frame (8) is connected to the brick-body heating steamer (1) via bolts; a load-bearing wheel (17) is provided at the bottom of the movable base frame (8). ), the first tank body transfer box (2) and the second tank body transfer box (3) are provided with recovery ports (9) on their inner sides, and there are four recovery ports (9); a heat energy recovery pipeline (10) is provided on the outer side of the recovery port (9), and the heat energy recovery pipeline (10) is connected to the recovery port (9) through a flange; an energy transfer valve body (25) is provided in the middle section of the heat energy recovery pipeline (10); tank body valve ports (26) are provided on both sides of the energy transfer valve body (25), and the tank body valve ports (26) are connected to the heat energy recovery pipeline (10) through a flange; and a transfer valve port (27) is provided on the outer side of the energy transfer valve body (25).

2. A heating device for producing fly ash autoclaved bricks according to claim 1, characterized in that: A power supply box (7) is arranged on the top of the first tank body transfer box (2) and the second tank body transfer box (3), and the power supply box (7) is connected to the first tank body transfer box (2) and the second tank body transfer box (3) by bolts. A motor housing (6) is arranged on both sides of the first tank body transfer box (2) and the second tank body transfer box (3), and the motor housing (6) is connected to the first tank body transfer box (2) and the second tank body transfer box (3) by bolts.

3. The heating device for producing fly ash autoclaved bricks according to claim 1, characterized in that: The first tank body transfer box (2) and the second tank body transfer box (3) are provided with tank openings (4) on their outer sides, and sealing valve plates (5) are provided on the outer surfaces of the tank openings (4), and the sealing valve plates (5) are rotatably connected to the tank openings (4) via hinges.

4. The heating device for producing fly ash autoclaved bricks according to claim 1, characterized in that: A transfer chamber (21) is provided inside the first tank transfer box (2) and the second tank transfer box (3), and a fan assembly (22) is provided around the transfer chamber (21); the transfer chamber (21) is connected to the recovery port (9) through the fan assembly (22); a drive motor (23) is provided between the fan assembly (22), and the drive motor (23) is electrically connected to the fan assembly (22).

5. A heating device for producing fly ash autoclaved bricks according to claim 4, characterized in that: A temperature sensor (24) is arranged inside the transfer chamber (21), and the model of the temperature sensor (24) is NF53-NTC. A valve plate is arranged at the connection between the transfer chamber (21) and the brick heating steamer (1).

6. The heating device for producing fly ash autoclaved bricks according to claim 1, characterized in that: The brick-body heating steamer (1) comprises a heating tank cavity (16) and a diffusion cavity (13), wherein the diffusion cavity (13) is arranged outside the heating tank cavity (16), a heat conducting layer (15) is arranged between the heating tank cavity (16) and the diffusion cavity (13), a heat insulating layer (12) is arranged outside the diffusion cavity (13), and a heating magnetic coil (14) is arranged inside the diffusion cavity (13).

7. A heating device for producing fly ash autoclaved bricks according to claim 6, characterized in that: A line track (20) is provided at the bottom of the heating tank cavity (16), and the line track (20) is connected to the heating tank cavity (16) by screws; a brick body placement rack (18) is provided above the line track (20), and an electric control pulley (19) is provided at the bottom of the brick body placement rack (18); the brick body placement rack (18) is slidably connected to the line track (20) via the electric control pulley (19).

8. The heating device for producing fly ash autoclaved bricks according to claim 1, characterized in that: A three-way conversion valve (28) is arranged inside the energy delivery valve body (25), and the three-way conversion valve (28) is connected to the tank valve port (26) and the transfer valve port (27) via a pipeline.

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