Lime kiln waste heat recovery device

Abstract

The utility model provides a waste heat recovery device for a lime kiln, which belongs to the technical field of heat energy recovery equipment and comprises a cyclone dust removal structure, an air supply component and waste heat recovery equipment, the cyclone dust removal structure comprises a cyclone dust removal box body, and a cooling jacket is sleeved on the periphery of the cyclone dust removal box body. The cooling jacket is provided with a water inlet end and a water outlet end, the water outlet end is provided with a connecting pipeline communicated with the waste heat recovery equipment, in addition, the cyclone dust removal box body is communicated with an air supply assembly, and the air supply assembly is further communicated with the waste heat recovery equipment. By starting the air supply assembly, dust contained in gas containing heat is treated through the cyclone dust removal box body, and then the gas is fed into the waste heat recovery equipment for waste heat recovery, so that the situation that the working efficiency of the equipment is affected due to gap blockage of the waste heat recovery equipment is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of heat recovery equipment, in particular to a lime kiln waste heat recovery device. Background Art

[0002] During the use of a lime kiln, the gas discharged from the smoke outlet contains a large amount of heat. A simple heat conduction plate and a water pipe are used to absorb the heat in the gas, thereby heating the cold water in the water pipe to achieve the purpose of waste heat utilization. However, the waste heat utilization efficiency is low. In the existing technology, waste heat recovery devices are mostly used to improve the preheating recovery efficiency. However, when the lime kiln is working, the hot gas will be mixed with dust and other impurities, which can easily lead to blockage of the gap of the preheating recovery device, seriously affecting the working efficiency of the equipment. Therefore, a lime kiln waste heat recovery device is proposed to solve this problem. Utility Model Content

[0003] In view of this, the utility model provides a lime kiln waste heat recovery device, which can start the air supply component to allow the gas containing heat to pass through the cyclone dust removal box to process the dust it contains, and then be sent to the waste heat recovery equipment for waste heat recovery and utilization, thereby avoiding the gap blockage of the waste heat recovery equipment and affecting the working efficiency of the equipment.

[0004] In order to solve the above technical problems, the utility model provides a lime kiln waste heat recovery device, including a cyclone dust removal structure, an air supply component and waste heat recovery equipment, wherein the cyclone dust removal structure includes a cyclone dust removal box, the outer peripheral sleeve of the cyclone dust removal box is provided with a cooling jacket, the cooling jacket is provided with a water inlet end and a water outlet end, wherein the water outlet end is provided with a connecting pipe connected to the waste heat recovery equipment, in addition, the cyclone dust removal box is connected to the air supply component, and the air supply component is also connected to the waste heat recovery equipment.

[0005] The air supply component includes a fan, and the fan is respectively provided with an air inlet duct and an air outlet duct.

[0006] The air inlet duct is connected to the cyclone dust removal box, and the corresponding air inlet duct is connected to the air outlet arranged on the upper part of the cyclone dust removal box.

[0007] The waste heat recovery device includes a shell, a heat exchanger is arranged in the shell, a water inlet pipe and a water outlet pipe are arranged on the heat exchanger, and the water inlet pipe and the water outlet pipe are both arranged through the shell.

[0008] The air outlet duct is connected to the shell, and the other end of the corresponding air outlet duct is connected to the air inlet end arranged on the shell. The shell is also provided with an air outlet end on the opposite side of the air inlet end.

[0009] The upper part of the cyclone dust collector is also provided with an air inlet and the lower part is also provided with a dust outlet.

[0010] The beneficial effects of the above technical solutions of the present utility model are as follows:

[0011] 1. Start the air supply component, so that the gas containing heat is sent into the waste heat recovery equipment for waste heat recovery and utilization after the dust contained in it is treated by the cyclone dust removal box body, thereby avoiding the blockage of the gaps of the waste heat recovery equipment and affecting the working efficiency of the equipment.

[0012] 2. The cooling jacket installed on the outer side of the cyclone dust removal box body can convert some of its heat in advance when treating the dust in the gas, and then pass the preheated water into the heat exchanger of the waste heat recovery equipment, thereby improving the heat recovery efficiency of the equipment. Description of the Drawings

[0013] Figure 1 is a schematic diagram of the main structure of a lime kiln waste heat recovery device of the present utility model;

[0014] Figure 2 is a schematic diagram of the dust removal structure of the present utility model;

[0015] Figure 3 is a side sectional view of the main structure of the present utility model.

[0016] Description of the reference numerals: 1. Cyclone dust removal structure; 11. Cyclone dust removal box body; 111. Air outlet; 112. Air inlet; 113. Ash discharge port; 12. Cooling jacket; 121. Water inlet end; 122. Water outlet end; 13. Connecting pipeline; 2. Air supply component; 21. Fan; 22. Air inlet pipeline; 23. Air outlet pipeline; 3. Waste heat recovery equipment; 31. Shell; 311. Air inlet end; 312. Air outlet end; 32. Heat exchanger; 321. Water inlet port; 322. Water outlet port. Detailed Embodiments

[0017] In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the following will combine the attached drawings of the embodiments of the present utility model Figures 1-3 , and clearly and completely describe the technical solutions of the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope protected by the present utility model.

[0018] As Figures 1-3 shown:

[0019] This embodiment provides a waste heat recovery device for a lime kiln, which includes a cyclone dust removal structure 1, a air supply component 2, and a waste heat recovery device 3. The cyclone dust removal structure 1 includes a cyclone dust removal box body 11, and a cooling jacket 12 is sleeved on the outer periphery of the cyclone dust removal box body 11. An inlet end 121 and an outlet end 122 are provided on the cooling jacket 12. A connecting pipeline 13 communicating with the waste heat recovery device 3 is provided at the outlet end 122. In addition, the cyclone dust removal box body 11 is communicated with the air supply component 2, and the air supply component 2 is also communicated with the waste heat recovery device 3.

[0020] During use, the air inlet 112 of the cyclone dust removal box body 11 is communicated with the air outlet of the lime kiln. Then, the fan 21 is started so that the gas containing heat is processed by the cyclone dust removal box body 11 for the dust contained therein, and then is sent into the waste heat recovery device 3 for waste heat recovery and utilization, thereby avoiding the blockage of the gaps of the waste heat recovery device 3 and affecting the working efficiency of the device. In addition, when the cooling jacket 12 processes the dust in the gas, it can convert some of its heat in advance, and then the preheated water is introduced into the heat exchanger 32 of the waste heat recovery device 3, thereby improving the heat recovery efficiency of the device.

[0021] As Figure 3 shown, the air supply component 2 includes a fan 21. An air inlet pipe 22 and an air outlet pipe 23 are respectively provided on the fan 21. The air inlet pipe 22 is communicated with the cyclone dust removal box body 11, and the corresponding air inlet pipe 22 is communicated with the air outlet 111 provided on the upper part of the cyclone dust removal box body 11.

[0022] As Figure 1 、 2 shown, the waste heat recovery device 3 includes a housing 31. A heat exchanger 32 is provided in the housing 31. A water inlet port 321 and a water outlet port 322 are provided on the heat exchanger 32. Both the water inlet port 321 and the water outlet port 322 penetrate through the housing 31.

[0023] As Figure 1 shown, the air outlet pipe 23 is communicated with the housing 31, and the other end of the corresponding air outlet pipe 23 is communicated with the air inlet end 311 provided on the housing 31. An air outlet end 312 is further provided on the housing 31 on the opposite side of the air inlet end 311.

[0024] As Figure 1 、 3 shown, an air inlet 112 is further provided on the upper part of the cyclone dust removal box body 11. The air inlet 112 is used to connect the air outlet hole of the lime kiln. A dust outlet 113 is further provided at the lower part. Then, after the dust contained in the gas is processed, the dust falling to the bottom can fall at the dust outlet 113.

[0025] In addition, it should be noted that in the description of the present utility model, unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] The above is the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle described in the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A lime kiln waste heat recovery device, characterized in that: It includes a cyclone dust removal structure (1), a air supply component (2) and a waste heat recovery device (3). The cyclone dust removal structure (1) includes a cyclone dust removal box body (11). A cooling jacket (12) is sleeved on the outer periphery of the cyclone dust removal box body (11). An inlet end (121) and an outlet end (122) are provided on the cooling jacket (12). A connecting pipeline (13) communicating with the waste heat recovery device (3) is provided at the outlet end (122). In addition, the cyclone dust removal box body (11) is communicated with the air supply component (2), and the air supply component (2) is also communicated with the waste heat recovery device (3).

2. The waste heat recovery device of a lime kiln according to claim 1, characterized in that: The air supply component (2) includes a fan (21). An air inlet pipeline (22) and an air outlet pipeline (23) are respectively provided on the fan (21).

3. The lime kiln waste heat recovery device according to claim 2, characterized in that: The air inlet pipeline (22) is communicated with the cyclone dust removal box body (11). The corresponding air inlet pipeline (22) is communicated with an air outlet (111) provided on the upper part of the cyclone dust removal box body (11).

4. The lime kiln waste heat recovery device according to claim 3, wherein: The waste heat recovery device (3) includes a shell (31). A heat exchanger (32) is provided in the shell (31). A water inlet port (321) and a water outlet port (322) are provided on the heat exchanger (32). The water inlet port (321) and the water outlet port (322) both penetrate through the shell (31).

5. The lime kiln waste heat recovery device according to claim 4, characterized in that: The air outlet pipeline (23) is communicated with the shell (31). The other end of the corresponding air outlet pipeline (23) is communicated with an air inlet end (311) provided on the shell (31). An air outlet end (312) is further provided on the shell (31) on the opposite side of the air inlet end (311).

6. The lime kiln waste heat recovery device according to claim 5, wherein: An air inlet (112) is further provided on the upper part of the cyclone dust removal box body (11), and an ash discharge port (113) is provided on the lower part.

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