Kiln head cover with waste oil incineration function

Abstract

The utility model relates to the technical field of waste oil recovery, in particular to a kiln head cover with a waste oil incineration function, which is positioned at one end of a rotary kiln, an observation window and a slag discharge port are arranged on two sides of the kiln head cover, an incineration disc is arranged on the inner wall of the kiln head cover close to the slag discharge port, and the incineration disc is of a frame-shaped structure with a top opening. An oil conveying opening is formed in the incineration disc and communicates with an oil tank through an oil conveying pipeline, and an air supply opening is formed in the upper portion of the incineration disc and communicates with an air blower through an air pipe. Industrial waste oil can be collected and combusted, the working environment cannot be polluted, incineration products are directly pumped away along with smoke of the rotary kiln, the environment friendliness is good, heat enters the furnace, heat energy is fully utilized, and the waste oil treatment cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste oil recovery technical field, concretely relates to a kiln head cover with waste oil incineration function. BACKGROUND

[0002] Zinc, in the use amount of modern industrial production, is only inferior to copper, aluminum and iron, and is the fourth "common" metal, and is easily oxidized into metal oxide under humid air, and plays an indispensable role in various industrial applications, and is widely used in the manufacturing process of plastics, ceramics, glass and cement materials to improve the performance of these materials.

[0003] In the common zinc oxide production process, the rotary kiln system is the core of the entire production line. In this system, the material is calcined at high temperature, and finally converted into zinc oxide after a series of physical and chemical changes. In addition to using rotary kiln, some auxiliary equipment such as speed reducer, pump, fan bearing box and other auxiliary equipment will be used on site. These devices will produce a large amount of industrial waste oil. The traditional treatment method is to mix waste oil directly into the material and enter the rotary kiln calcination with the material. However, during the conveying process, a large amount of waste oil will adhere to the belt, which does not meet the environmental protection requirements and also brings certain safety hazards.

[0004] Therefore, there is an urgent need for a waste oil treatment device that can safely introduce waste oil into the rotary kiln for incineration without polluting the on-site production environment. SUMMARY

[0005] The utility model discloses to solve the problem that industrial waste oil is mixed into material and enters rotary kiln combustion with material in the production process, which pollutes the conveying belt and brings safety hazards. A kiln head cover with waste oil incineration function is provided, which can collect and burn industrial waste oil without polluting the working environment. The incineration products are directly removed with the rotary kiln flue gas, which is environmentally friendly and has good heat into the furnace. The heat energy is fully utilized, and the cost of treating waste oil is low.

[0006] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] A kiln head cover with waste oil incineration function is located at one end of the rotary kiln. Observation windows and slag discharge ports are arranged on both sides of the kiln head cover. An incineration disc is arranged on the inner wall of the kiln head cover close to the slag discharge port. The incineration disc is in a frame structure with an open top. An oil inlet is arranged in the incineration disc. The oil inlet is connected to an oil tank through an oil pipeline. An air inlet is arranged above the incineration disc. The air inlet is connected to a blower through an air pipe. The incineration disc is used for incinerating waste oil. The blower is used for accelerating the combustion of waste oil. The incineration products after combustion are directly removed with the rotary kiln flue gas, which is environmentally friendly and has good heat into the furnace. The heat energy is fully utilized.

[0008] Further, the incineration disc comprises a support layer, a refractory layer and a combustion-supporting layer from outside to inside, the refractory layer is fixedly arranged in the support layer, and the combustion-supporting layer is arranged in the refractory layer.

[0009] Further, the combustion-supporting layer is flammable cotton yarn, and the flammable cotton yarn is ignited when the hot waste residue in the rotary kiln is shovelled into the incineration disc.

[0010] Further, the kiln head cover is externally provided with a first support and a second support, the oil tank is arranged on the top of the first support, and the air blower is arranged on the top of the second support; the first support and the second support are used for limiting the positions of the oil tank and the air blower and simultaneously supporting.

[0011] Further, the height of the oil tank is greater than the height of the incineration disc, and the oil conveying pipeline is arranged to be inclined between the oil tank and the incineration disc, so that the waste oil automatically flows into the incineration disc under the action of gravity and is then ignited and incinerated in the incineration disc.

[0012] Further, the oil conveying pipeline arranged outside the kiln head cover is provided with an adjusting valve and a check valve, so that the flow is conveniently adjusted and the heat is prevented from rising.

[0013] Further, the observation window comprises an observation door which is hinged to the side wall of the kiln head cover and is provided with through holes through which the oil conveying pipeline and the air pipe pass, so that the oil conveying pipeline and the air pipe are introduced into the kiln head cover from the observation door, no additional hole is needed, the structure of the kiln head cover is not damaged, and the oil conveying pipeline and the air pipe can be quickly disassembled or installed according to the working condition.

[0014] Further, the oil tank is provided with an oil inlet on the top and is communicated with the oil conveying pipeline on the bottom, and the oil tank is used for storing industrial waste oil.

[0015] Through the above technical scheme, the beneficial effects of the present application are as follows:

[0016] The rotary kiln head cover and the waste oil treatment incineration disc are combined, the waste oil in the incineration disc is ignited and incinerated by using the heat in the rotary kiln, the incineration products are directly drawn away with the flue gas of the rotary kiln, the surrounding working environment is not polluted in the process of waste oil treatment, the environmental protection performance is good, the heat in the rotary kiln is fully utilized, the present application is simple to operate and low in waste oil treatment cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the present application Figure 1 ;

[0018] Figure 2 is a structural schematic diagram of the present application Figure 2 ;

[0019] Figure 3 is the position diagram of the incineration disc in the kiln head cover;

[0020] The reference signs in the drawings are: 1 is a kiln head cover, 11 is an observation window, 12 is a slag discharge port, 2 is an incineration disc, 21 is an oil inlet, 22 is an air inlet, 3 is an oil tank, 31 is an oil conveying pipeline, 32 is a first support, 4 is a blower, 41 is an air pipe, and 42 is a second support. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the drawings and specific embodiments:

[0022] As Figures 1-3 shown, the embodiment provides a kiln head cover with waste oil incineration function, the kiln head cover 1 is located at one end of the rotary kiln, the rotary kiln is a kind of thermal equipment for calcining, baking or drying granular and powdery material, kiln head cover 1 is the important component of rotary kiln, located at the end of closed rotary kiln, the main function of kiln head cover is to close kiln head end, ensure that material and fuel can stably carry out when carrying out heat treatment or chemical reaction in rotary kiln.

[0023] In the embodiment, the top of the kiln head cover 1 is arched, observation windows 11 and slag discharge ports 12 are arranged on the two sides of the kiln head cover 1, the observation windows 11 are used to observe the internal condition of the kiln head cover 1, and the slag discharge ports 12 are used to discharge the slag in the kiln head cover 1;The inner wall of the kiln head cover 1 close to the slag discharge port 12 is provided with an incineration disc 2, and the outside of the kiln head cover 1 is provided with an oil tank 3 and a blower 4.

[0024] The incineration disc 2 is a frame structure with an open top, the incineration disc 2 comprises a support layer, a refractory layer and a combustion-supporting layer from outside to inside, the refractory layer is fixedly arranged in the support layer, and the replaceable combustion-supporting layer is arranged in the refractory layer.In the embodiment, the support layer is a steel plate, the refractory layer is a layer structure formed by refractory bricks, and the combustion-supporting layer is flammable cotton yarn, this incineration disc 2 uses steel plate as support template, is lined with refractory bricks inside, and places flammable cotton yarn, when waste oil needs to be treated, the waste oil is introduced into the incineration disc 2, the waste heat slag at the slag discharge port 12 is manually scooped into the incineration disc 2 by using a shovel, the flammable cotton yarn is ignited, and the waste oil can be ignited and incinerated.

[0025] Specifically, the incineration tray 2 is internally provided with an oil inlet 21, the oil inlet 21 is communicated with an oil tank 3 through an oil pipeline 31, the oil tank 3 is communicated with the oil pipeline 31 at the bottom and is provided with an oil inlet at the top, the oil tank 3 is used for storing the collected industrial waste oil, the industrial waste oil is added into the oil tank 3 from the oil inlet, and then is ignited and incinerated from the oil tank 3, an air inlet 22 is arranged above the incineration tray 2, the air inlet 22 is communicated with a blower 4 through an air pipe 41, and the blower 4 plays a combustion-supporting role and can accelerate waste oil combustion.

[0026] In order to reduce the waste oil treatment cost, the kiln head cover 1 is externally provided with a first support 32 and a second support 42, the oil tank 3 is arranged on the top of the first support 32, and the blower 4 is arranged on the top of the second support 42. The height of the oil tank 3 is greater than that of the incineration tray 2, so that the waste oil in the oil tank 3 can automatically flow into the incineration tray, the first support 32 and the second support 42 can use conventional supports, and the oil tank 3 and the blower 4 only need to be elevated, preferably, the height of the second support 42 is greater than that of the first support 32, and the first support 32 and the second support 42 can be fixed on the kiln head cover 1 or on the ground, and in the embodiment, the first support 32 and the second support 42 are fixed on the ground.

[0027] Specifically, the observation window 11 comprises an observation door, the observation door is hinged to the side wall of the kiln head cover 1, and the observation door is provided with through holes through which the oil pipeline 31 and the air pipe 41 pass. The oil pipeline 31 and the air pipe 41 pass through the through holes and are connected with the oil tank 3 and the blower 4, the through holes are in rectangular or cylindrical shapes, the oil tank 3 is located on the line connecting the oil inlet 21 of the incineration tray 2 and the through hole of the observation door, and the oil pipeline 31 is arranged to be inclined between the oil tank 3 and the incineration tray 2. As an implementable mode, a slag discharge door is arranged at the slag discharge port 12, the slag discharge door is hinged to the side wall of the kiln head cover 1, and an observation hole is arranged on the slag discharge door, so that the inside of the kiln head cover 1 can be observed through the observation hole on the slag discharge door when the oil pipeline 31 and the air pipe 41 are inserted into the through hole on the observation door.

[0028] In this case, when the industrial waste oil needs not to be treated or a large workpiece passes by the kiln head cover 1, the oil pipeline 31 and the air pipe 41 can be quickly disassembled, the work is not affected, the installation and disassembly of the oil pipeline 31 and the air pipe 41 do not affect the main structure of the kiln head cover 1, the functions of the kiln head cover 1 and the rotary kiln are not affected during the waste oil treatment.

[0029] In order to facilitate flow adjustment and prevent heat from rising, the oil pipeline 31 is externally provided with an adjusting valve and a check valve.

[0030] The working principle of the utility model is:

[0031] In use, the industrial waste oil enters the incineration disc 2 from the oil tank 3 through the oil pipeline 31, the waste heat residue at the residue discharging port 12 is manually scooped into the incineration disc 2, the flammable cotton yarn in the incineration disc 2 is ignited, the waste oil is ignited, the air pipe 41 above the incineration disc 2 provides oxygen for the combustion of the waste oil, the combustion products of the waste oil are directly drawn away with the rotary kiln flue gas, in this process, the regulating valve on the oil pipeline 31 is used to control the flow of the waste oil, and the check valve on the oil pipeline 31 is used to prevent the heat from rising.

[0032] The above-mentioned embodiments are only preferred embodiments of the present application, and are not intended to limit the scope of the present application. Any equivalent changes or modifications made according to the structure, features and principles described in the patent range of the present application should be included in the patent range of the present application.

Claims

1. A kiln head cover with waste oil incineration function, located at one end of a rotary kiln, both sides of the kiln head cover (1) are provided with an observation window (11) and a slag discharge port (12), characterized in that, The kiln head cover (1) is provided with a burning disc (2) on the inner wall close to the slagging port (12), the burning disc (2) is in a frame type structure with an open top, the burning disc (2) is internally provided with an oil feeding port (21), the oil feeding port (21) is communicated with an oil tank (3) through an oil feeding pipeline (31), the burning disc (2) is provided with an air feeding port (22) above, and the air feeding port (22) is communicated with a blower (4) through an air pipe (41).

2. The kiln hood according to claim 1, characterized in that, The burning disc (2) comprises a support layer, a refractory layer and a combustion-supporting layer from outside to inside, the refractory layer is fixedly arranged in the support layer, and the combustion-supporting layer is arranged in the refractory layer.

3. The kiln hood according to claim 2, characterized in that The combustion-supporting layer is flammable cotton yarn.

4. The kiln hood according to claim 1, wherein the kiln hood has a waste oil incineration function. The kiln head cover (1) is externally provided with a first support (32) and a second support (42), the oil tank (3) is arranged on the top of the first support (32), and the blower (4) is arranged on the top of the second support (42).

5. The kiln hood according to claim 1, wherein the kiln hood has a waste oil incineration function. The height of the oil tank (3) is greater than the height of the burning disc (2), and the oil feeding pipeline (31) is arranged in an inclined manner between the oil tank (3) and the burning disc (2).

6. The kiln hood with waste oil incineration function according to claim 1, characterized in that, The oil feeding pipeline (31) is externally provided with an adjusting valve and a check valve.

7. The kiln hood according to claim 1, wherein the kiln hood has a waste oil incineration function. The observation window (11) comprises an observation door, the observation door is hinged to the side wall of the kiln head cover (1), and the observation door is provided with through holes for the oil feeding pipeline (31) and the air pipe (41) to pass through.

8. The kiln hood according to claim 1, wherein the kiln hood has a waste oil incineration function. The oil tank (3) is communicated with the oil feeding pipeline (31) at the bottom and is provided with an oil feeding port at the top.

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