A boiler refractory castable lining structure

Abstract

The utility model discloses a kind of boiler refractory castable lining structures, it is related to boiler refractory technical field.The boiler refractory castable lining structure, including base, the base is fixedly connected with cylindrical shape furnace body, the anchor plate and anchor nail are fixedly installed in the furnace body inside, the furnace body inside is provided with heat insulating plate, the furnace body inside is provided with transition layer, the transition layer inside is provided with working layer, three-dimensional support network is built by anchor plate and anchor nail, the stable installation of each castable layer is ensured, the stability of entire lining structure under complex working conditions such as high temperature, high pressure and mechanical vibration is greatly enhanced, effectively reduce lining fall off, cracking and other risks, extend the service life of boiler, entire refractory castable lining structure and other parts of boiler work cooperatively, from fuel combustion, heat transfer to flue gas treatment, comprehensively improve the operating performance of boiler, provide reliable, efficient power support for industrial production.

Claims

1. A boiler refractory castable lining structure, comprising a base (1), characterized in that: The base (1) is fixedly connected to a support leg (2), the support leg (2) is fixedly connected to a shock-absorbing pad (3), the base (1) is fixedly connected to a cylindrical furnace body (4), and the furnace body (4) is provided with a water-cooled wall (12) on its inner side. A burner (5) is fixedly installed at the bottom of the furnace body (4), and an air inlet pipe (6) is fixedly connected to the bottom of the burner (5). A cyclone separator (14) is fixedly installed on the inner side of the furnace body (4), and an air outlet (15) is provided on the cyclone separator (14). The furnace body (4) is provided with a flue gas outlet (16), and a flue gas pipe (17) is fixedly installed on the flue gas outlet (16). The furnace body (4) is provided with a heat insulation plate (9) on the inner side, and a transition layer (10) is provided on the inner side of the furnace body (4). The transition layer (10) is located inside the heat insulation plate (9), and a working layer (11) is provided inside the transition layer (10).

2. The boiler refractory castable lining structure according to claim 1, characterized in that: The burner (5) is fixedly connected to the bottom of the inner side of the furnace body (4) on one side, and a nozzle (13) is installed at the connection.

3. The boiler refractory castable lining structure according to claim 2, characterized in that: The burner (5) consists of an air regulator and an ignition device. The air regulator is used to adjust the air supply and the air-fuel mixing ratio, and the ignition device is used to ignite the fuel-air mixture.

4. The boiler refractory castable lining structure according to claim 3, characterized in that: The cyclone separator (14) consists of a cylindrical body, a conical bottom, an inlet flue, an outlet flue, and a return leg. The inlet flue is connected to the furnace outlet, and the return leg is connected to the bottom of the furnace.

5. The boiler refractory castable lining structure according to claim 4, characterized in that: The exhaust duct (17) consists of a furnace outlet flue, a horizontal flue, and a tail flue, and has an internal support structure.

6. The boiler refractory castable lining structure according to claim 5, characterized in that: An anchor plate (7) and Y-shaped anchor nails (8) arranged in a matrix are fixedly installed on the inner side of the furnace body (4). The anchor nails (8) and the anchor plate (7) form a three-dimensional support network on the inner wall of the boiler.

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