Cooling device for waste incineration system

Abstract

The utility model discloses a cooling device for a waste incineration system, which comprises a heat exchange shell, a first channel and a second channel are formed in the heat exchange shell, the first channel and the second channel are isolated from each other, and heat exchange can be carried out between the first channel and the second channel. The outer side of the first channel is made of a non-metal refractory material; the heat exchange shell is fixedly mounted on the mounting frame; the flue gas inlet pipe is communicated with an inlet of the first channel; the flue gas outlet pipe is communicated with an outlet of the first channel; the air inlet pipe is communicated with an inlet of the second channel, and the air inlet pipe is connected with a fan; according to the heat exchanger, the heat exchange efficiency can be improved, and the service life of the heat exchanger can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of garbage incineration, in particular to a cooling device for a garbage incineration system. Background Art

[0002] Waste incineration pyrolysis and gasification systems generate large amounts of flue gas. Because this flue gas contains numerous toxic and harmful particles, a heat exchanger is required to cool the flue gas and separate the ash from it. The flue gas contains a large amount of corrosive gases, which can corrode and damage the heat exchanger's piping. Furthermore, the flue gas exhausted from the secondary combustion chamber is extremely hot, often causing pipes to deform or carbonize. Furthermore, existing heat exchangers require numerous piping systems, resulting in bulky and complex structures. Utility Model Content

[0003] The utility model provides a cooling device for a garbage incineration system, which can improve heat exchange efficiency and extend the service life of the equipment.

[0004] In order to solve the above technical problems, the utility model provides a cooling device for a waste incineration system, comprising:

[0005] a heat exchange shell, wherein a first channel and a second channel are formed inside the heat exchange shell, the first channel and the second channel are isolated from each other and heat exchange can be performed between the first channel and the second channel, and the outer side of the first channel is made of non-metallic refractory material;

[0006] a mounting frame, the heat exchange housing being fixedly mounted on the mounting frame;

[0007] a smoke inlet pipe, connected to the inlet of the first channel;

[0008] a smoke outlet pipe, connected to the outlet of the first channel;

[0009] an air inlet pipe, connected to the inlet of the second channel, and the air inlet pipe is connected to the fan;

[0010] The air outlet pipe is connected to the outlet of the second channel.

[0011] As a preferred embodiment of the above technical solution, the heat exchange shell includes an upper shell, a middle shell and a lower shell; the smoke inlet pipe is connected to the upper shell, the smoke outlet pipe is connected to the lower shell, and the inlet of the first channel is located above the outlet of the first channel.

[0012] As a preferred embodiment of the above technical solution, the smoke inlet pipe is located on a first side of the heat exchange shell, and the smoke outlet pipe is located on a second side of the heat exchange shell, and the second side is opposite to the first side.

[0013] As a preferred embodiment of the above technical solution, the non-metallic refractory material is refractory bricks, and the refractory bricks are stacked from bottom to top to form a plurality of stacking parts, and the plurality of stacking parts are distributed at equal intervals in the horizontal direction, and a plurality of the first channels are formed on each of the stacking parts, and the plurality of the first channels are arranged parallel to each other in the vertical direction.

[0014] As a preferred embodiment of the above technical solution, a gap extending in the vertical direction is formed between two adjacent stacking parts, and the gap is the second channel. The extending direction of the first channel is perpendicular to the extending direction of the second channel.

[0015] As a preferred embodiment of the above technical solution, the lower end of the heat exchange shell is provided with an ash discharge outlet, the ash discharge outlet is communicated with the first channel, and the ash discharge outlet is provided with an ash discharge valve.

[0016] As a preferred embodiment of the above technical solution, the heat exchange housing further includes an air inlet cover and an air outlet cover, the air inlet cover is arranged at the inlet of the second channel, and the air outlet cover is arranged at the outlet of the second channel.

[0017] As a preferred embodiment of the above technical solution, the air inlet cover and the air outlet cover are respectively located on both sides of the heat exchange shell, the air inlet pipe is connected to the lower end of the air inlet cover, the air inlet pipe extends vertically downward, and the air outlet pipe is connected to the upper end of the air outlet cover, and the air outlet pipe extends vertically upward.

[0018] As a preferred embodiment of the above technical solution, the outer side surface of the air inlet cover is formed with a first inclined surface, which extends obliquely outward from top to bottom, and the outer side surface of the air outlet cover is formed with a second inclined surface, which extends obliquely inward from top to bottom.

[0019] As a preferred embodiment of the above technical solution, an observation port is provided on the upper shell, the lower end of the lower shell is narrowed from top to bottom to form a tapered portion, the ash discharge outlet is provided at the lower end of the tapered portion, a penetration space is formed on the mounting frame, a connecting portion is provided on the outer wall of the middle shell, the heat exchange shell is penetrated in the penetration space, and the connecting portion is fixedly connected to the mounting frame.

[0020] The utility model provides a cooling device for a waste incineration system, which includes a heat exchange shell, a mounting frame, a flue gas inlet pipe, a flue gas outlet pipe, an air inlet pipe and an air outlet pipe. The heat exchange shell is mounted on the mounting frame. The flue gas after combustion enters the first channel from the flue gas inlet pipe and is then discharged from the flue gas outlet pipe, while the cold air enters the second channel from the air inlet pipe through the action of the fan and is then discharged from the air outlet pipe. Heat exchange is performed between the first channel and the second channel so that the flue gas is cooled in the first channel. The cooled flue gas is discharged from the flue gas outlet pipe, which can reduce the temperature of the discharged flue gas. At the same time, toxic and harmful particles in the flue gas can be formed into dust after cooling and fall to the bottom of the first channel. Since the first channel and the second channel are both arranged inside the heat exchange shell, the overall structure can be made more compact, and the cooling efficiency can be improved through heat exchange between the first channel and the second channel. In addition, the outer side of the first channel is a non-metallic refractory material, which can effectively prevent the flue gas from corroding the pipeline and extend its service life.

[0021] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the three-dimensional structure of a cooling device for a waste incineration system according to this embodiment is shown;

[0023] Figure 2 shows a schematic diagram of the installation structure of the heat exchange housing in this embodiment;

[0024] Figure 3 A schematic diagram showing the positions of the first channel and the second channel in this embodiment is shown;

[0025] Figure 4 Shown Figure 3 A is an enlarged schematic diagram;

[0026] In the figure: 10, mounting frame; 20, heat exchange shell; 30, air outlet pipe; 40, air inlet pipe; 50, flue gas inlet pipe; 60, flue gas outlet pipe; 70, fan; 80, ash discharge valve; 90, connecting part; 100, guide bar; 110, second channel; 120, first channel; 130, stacking part; 201, upper shell; 202, middle shell; 203, lower shell; 204, air outlet cover; 205, air inlet cover; 206, observation port. DETAILED DESCRIPTION

[0027] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0028] See also Figures 1 to 4 The present invention provides a cooling device for a waste incineration system, comprising:

[0029] The heat exchange housing 20 has a first channel 120 and a second channel 110 formed therein. The first channel 120 and the second channel 110 are isolated from each other and can exchange heat between the first channel 120 and the second channel 110. The outer side of the first channel 120 is made of a non-metallic refractory material.

[0030] The mounting frame 10, the heat exchange housing 20 is fixedly mounted on the mounting frame 10;

[0031] The smoke inlet pipe 50 is connected to the inlet of the first channel 120;

[0032] The smoke outlet pipe 60 is connected to the outlet of the first channel 120;

[0033] The air inlet pipe 40 is communicated with the inlet of the second channel 110 and is connected to the fan 70;

[0034] The air outlet pipe 30 is connected to the outlet of the second channel 110 .

[0035] The present embodiment provides a cooling device for a waste incineration system, which includes a heat exchange shell 20, a mounting frame 10, a smoke inlet pipe 50, a smoke outlet pipe 60, an air inlet pipe 40, and an air outlet pipe 30. The heat exchange shell 20 is mounted on the mounting frame 10. The smoke after combustion enters the first channel 120 from the smoke inlet pipe 50 and is then discharged from the smoke outlet pipe 60. The cold air enters the second channel 110 from the air inlet pipe 40 through the fan 70 and is then discharged from the air outlet pipe 30. Heat exchange is performed between the first channel 120 and the second channel 110 so that the smoke in the first channel 120 is cooled and discharged. The flue gas is cooled in the first channel 120, and the cooled flue gas is discharged from the flue gas outlet pipe 60, which can reduce the temperature of the discharged flue gas. At the same time, the toxic and harmful particles in the flue gas can be formed into dust after cooling and fall to the bottom of the first channel 120. Since the first channel 120 and the second channel 110 are both arranged inside the heat exchange shell 20, the overall structure can be made more compact, and the cooling efficiency can be improved through heat exchange between the first channel 120 and the second channel 110. In addition, the outer side of the first channel 120 is a non-metallic refractory material, which can effectively prevent the flue gas from corroding the pipeline and extend its service life.

[0036] In a further embodiment of this embodiment, the heat exchange shell 20 includes an upper shell 201, a middle shell 202 and a lower shell 203; the smoke inlet pipe 50 is connected to the upper shell 201, the smoke outlet pipe 60 is connected to the lower shell 203, and the inlet of the first channel 120 is located above the outlet of the first channel 120.

[0037] In a further embodiment of the present invention, the smoke inlet pipe 50 is located on a first side of the heat exchange housing 20 , and the smoke outlet pipe 60 is located on a second side of the heat exchange housing 20 , the second side being opposite to the first side.

[0038] In a further embodiment of this embodiment, the non-metallic refractory material is a refractory brick, and the refractory bricks are stacked from bottom to top to form a plurality of stacking sections 130, and the plurality of stacking sections 130 are distributed at equal intervals in the horizontal direction, and a plurality of first channels 120 are formed on each stacking section 130, and the plurality of first channels 120 are arranged parallel to each other in the vertical direction.

[0039] In a further embodiment of the present invention, a gap extending in the vertical direction is formed between two adjacent stacking portions 130 , the gap being the second channel 110 , and an extending direction of the first channel 120 is perpendicular to an extending direction of the second channel 110 .

[0040] In the cooling device of this embodiment, the flue gas enters from the top and is discharged from the bottom, and the flue gas circulates in the vertical direction. In addition, the air circulates from one side to the other in the horizontal direction.

[0041] The positions and arrangements of the first channel 120 and the second channel 110 in this embodiment can increase the heat exchange area and facilitate heat exchange.

[0042] In this embodiment, a guide bar 100 is provided at the top of the stacking portion 130 and between two adjacent gaps, and guiding inclined surfaces are formed on both sides of the guide bar 100 .

[0043] In a further embodiment of the present invention, an ash discharge outlet is provided at the lower end of the heat exchange shell 20 , the ash discharge outlet is communicated with the first channel 120 , and an ash discharge valve 80 is provided at the ash discharge outlet.

[0044] In a further embodiment of the present invention, the heat exchange housing 20 further includes an air inlet cover 205 and an air outlet cover 204 . The air inlet cover 205 is disposed at the inlet of the second channel 110 , and the air outlet cover 204 is disposed at the outlet of the second channel 110 .

[0045] In a further embodiment of this embodiment, the air inlet cover 205 and the air outlet cover 204 are respectively located on both sides of the heat exchange shell 20, the air inlet pipe 40 is connected to the lower end of the air inlet cover 205, and the air inlet pipe 40 extends vertically downward, and the air outlet pipe 30 is connected to the upper end of the air outlet cover 204, and the air outlet pipe 30 extends vertically upward.

[0046] In a further embodiment of the present invention, the outer side surface of the air inlet cover 205 is formed with a first slope, which extends obliquely outward from top to bottom, and the outer side surface of the air outlet cover 204 is formed with a second slope, which extends obliquely inward from top to bottom.

[0047] The first inclined surface and the second inclined surface in this embodiment can make the air flow smoother.

[0048] In a further embodiment of this embodiment, an observation port 206 is provided on the upper shell 201, the lower end of the lower shell 203 is narrowed from top to bottom to form a tapered portion, the ash discharge outlet is provided at the lower end of the tapered portion, a penetration space is formed on the mounting frame 10, a connecting portion 90 is provided on the outer wall of the middle shell 202, the heat exchange shell 20 is penetrated in the penetration space, and the connecting portion 90 is fixedly connected to the mounting frame 10. The cooling device structure in this embodiment is more stable, and the tapered portion in this embodiment is more conducive to the discharge of ash.

[0049] In the description of this specification, reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and integrate different embodiments or examples described in this specification, as well as features of different embodiments or examples, unless they are mutually inconsistent.

[0050] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0051] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A cooling device for a waste incineration system, characterized in that: include: a heat exchange shell, wherein a first channel and a second channel are formed inside the heat exchange shell, the first channel and the second channel are isolated from each other and heat exchange can be performed between the first channel and the second channel, and the outer side of the first channel is made of non-metallic refractory material; a mounting frame, the heat exchange housing being fixedly mounted on the mounting frame; a smoke inlet pipe, connected to the inlet of the first channel; a smoke outlet pipe, connected to the outlet of the first channel; an air inlet pipe, connected to the inlet of the second channel, and the air inlet pipe is connected to the fan; The air outlet pipe is connected to the outlet of the second channel.

2. The cooling device for a waste incineration system according to claim 1, characterized in that: The heat exchange shell includes an upper shell, a middle shell and a lower shell; the smoke inlet pipe is connected to the upper shell, the smoke outlet pipe is connected to the lower shell, and the inlet of the first channel is located above the outlet of the first channel.

3. The cooling device for a waste incineration system according to claim 2, characterized in that: The smoke inlet pipe is located on a first side of the heat exchange shell, and the smoke outlet pipe is located on a second side of the heat exchange shell, where the second side is opposite to the first side.

4. The cooling device for a waste incineration system according to any one of claims 1 to 3, characterized in that: The non-metallic refractory material is a refractory brick, which is stacked from bottom to top to form a plurality of stacking parts, and the plurality of stacking parts are distributed at equal intervals in the horizontal direction. A plurality of the first channels are formed on each of the stacking parts, and the plurality of the first channels are arranged parallel to each other in the vertical direction.

5. The cooling device for a waste incineration system according to claim 4, characterized in that: A gap extending in the vertical direction is formed between two adjacent stacking parts, and the gap is the second channel. The extending direction of the first channel is perpendicular to the extending direction of the second channel.

6. The cooling device for a waste incineration system according to claim 2, characterized in that: The lower end of the heat exchange shell is provided with an ash discharge outlet, the ash discharge outlet is communicated with the first channel, and the ash discharge outlet is provided with an ash discharge valve.

7. The cooling device for a waste incineration system according to claim 1, characterized in that: The heat exchange housing further includes an air inlet cover and an air outlet cover. The air inlet cover is arranged at the inlet of the second channel, and the air outlet cover is arranged at the outlet of the second channel.

8. The cooling device for a waste incineration system according to claim 7, characterized in that: The air inlet cover and the air outlet cover are respectively located on both sides of the heat exchange shell, the air inlet pipe is connected to the lower end of the air inlet cover, the air inlet pipe extends vertically downward, and the air outlet pipe is connected to the upper end of the air outlet cover, and the air outlet pipe extends vertically upward.

9. The cooling device for a waste incineration system according to claim 7, characterized in that: A first slope is formed on the outer side of the air inlet cover, and the first slope extends obliquely outward from top to bottom. A second slope is formed on the outer side of the air outlet cover, and the second slope extends obliquely inward from top to bottom.

10. The cooling device for a waste incineration system according to claim 6, characterized in that: An observation port is provided on the upper shell, and the lower end of the lower shell narrows from top to bottom to form a tapered portion. The ash discharge outlet is provided at the lower end of the tapered portion. A penetration space is formed on the mounting frame, and a connecting portion is provided on the outer wall of the middle shell. The heat exchange shell is penetrated in the penetration space, and the connecting portion is fixedly connected to the mounting frame.

Images