CN212178899U - Heat energy comprehensive utilization system of sludge smelting furnace - Google Patents
Heat energy comprehensive utilization system of sludge smelting furnace Download PDFInfo
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- CN212178899U CN212178899U CN202020397746.1U CN202020397746U CN212178899U CN 212178899 U CN212178899 U CN 212178899U CN 202020397746 U CN202020397746 U CN 202020397746U CN 212178899 U CN212178899 U CN 212178899U
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- smelting furnace
- flue gas
- air
- heat energy
- comprehensive utilization
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Abstract
The utility model relates to a smelting furnace technical field, specific sludge smelting furnace heat energy comprehensive utilization system that says so, including smelting furnace and pre-heater shell, the exhanst gas outlet of smelting furnace passes through flue gas discharge pipe and pre-heater shell one side intercommunication, the inside array distribution of pre-heater shell has preheating pipe, the top of pre-heater shell is passed through the gas supply line and is connected with the air inlet of smelting furnace, the bottom of pre-heater shell is passed through the intake pipe and is connected with the air-blower. The utility model discloses a flue gas discharge pipe is with the leading-in pre-heater shell of high temperature flue gas to utilize the high temperature flue gas, heat through the inside cold air of preheating the pipe, realize the heat recovery of high temperature flue gas, the air after the heating passes through the leading-in smelting furnace of air supply line, thereby makes the air that gets into furnace intensifies, thereby promotes the heat energy of entering stove oxygenating wind, with the consumption that reduces fuel.
Description
Technical Field
The utility model belongs to the technical field of the smelting furnace device, concretely relates to sludge smelting furnace heat energy comprehensive utilization system.
Background
When the sludge smelting furnace burns sludge, a large amount of fuel is consumed for improving the temperature of a hearth during burning due to the lower heat value of the sludge, and a large amount of heat can be taken away due to the lower air temperature during air supplement, so that the energy consumption of equipment is not small, and therefore, the waste heat in high-temperature flue gas is required to be recycled to reduce the fuel consumption.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sludge smelting furnace heat energy comprehensive utilization system to solve the problem of proposing in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sludge smelting furnace heat energy comprehensive utilization system, includes smelting furnace and pre-heater shell, the exhanst gas outlet of smelting furnace passes through flue gas discharge pipe and pre-heater shell one side intercommunication, the inside array distribution of pre-heater shell has preheating conduit, the top of pre-heater shell is passed through the air feed pipe and is connected with the air inlet of smelting furnace, the bottom of pre-heater shell is passed through the intake pipe and is connected with the air-blower.
As a further optimization of the technical scheme, the preheating conduit is vertically arranged.
As a further optimization of the technical scheme, sealing plates are respectively fixed at the upper end and the lower end in the shell of the preheater, and the upper end and the lower end of each preheating guide pipe are respectively communicated with the sealing plates.
As a further optimization of the technical scheme, the flue gas discharge pipe is communicated with the preheater shell between the two seal plates, and an exhaust port is arranged on the other side of the preheater shell at the position as high as the flue gas discharge pipe.
As a further optimization of the technical scheme, the heat-insulating layers are wrapped on the outer portions of the shell of the preheater and the air supply pipeline.
The utility model discloses a technological effect and advantage: the utility model discloses a flue gas discharge pipe is with the leading-in pre-heater shell of high temperature flue gas to utilize the high temperature flue gas, heat through the inside cold air of preheating the pipe, realize the heat recovery of high temperature flue gas, the air after the heating passes through the leading-in smelting furnace of air supply line, thereby makes the air that gets into furnace intensifies, thereby promotes the heat energy of entering stove oxygenating wind, with the consumption that reduces fuel.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the inside structural schematic that overlooks of preheater shell of the utility model.
In the figure: 1. a smelting furnace; 2. a gas supply duct; 3. a preheater housing; 4. closing the plate; 5. preheating a conduit; 6. a flue gas discharge pipe; 7. an air inlet pipe; 8. an exhaust port; 9. a blower.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a heat energy comprehensive utilization system of a sludge smelting furnace comprises a smelting furnace 1 and a preheater housing 3, wherein a flue gas outlet of the smelting furnace 1 is communicated with one side of the preheater housing 3 through a flue gas discharge pipe 6, and is used for introducing high-temperature flue gas in the smelting furnace 1 into the preheater housing 3 to heat the inside of the preheater housing 3.
Preheating guide pipes 5 are distributed in the preheater shell 3 in an array mode, the preheating guide pipes 5 are vertically arranged, sealing plates 4 are respectively fixed at the upper end and the lower end in the preheater shell 3, the upper end and the lower end of each preheating guide pipe 5 are respectively communicated with the sealing plates 4, the upper sealing plate 4 and the lower sealing plate 4 enable the preheater shell 3 to be divided into an upper independent area, a middle independent area and a lower independent area, the upper area is the top of the preheater shell 3, the top of the preheater shell 3 is connected with an air inlet of a smelting furnace 1 through an air supply pipeline 2, the lower area is the bottom of the preheater shell 3, the bottom of the preheater shell 3 is connected with an air blower 9 through an air inlet pipe 7, under the connecting and conducting action of the preheating guide pipes 5, cold air can flow from the bottom of the preheater shell 3 to the upper portion of the preheater shell 3 through the inside of the preheating guide pipes, the temperature of the air entering the hearth is raised, so that the heat energy of the oxygen supplementing air entering the furnace is improved, and the consumption of fuel is reduced. The middle zone is communicated with the flue gas discharge pipe 6 and is used for receiving high-temperature flue gas, so that the preheating guide pipe 5 is heated by utilizing preheating in the flue gas.
The flue gas discharge pipe 6 is communicated with the preheater shell 3 between the two seal plates 4, an exhaust port 8 is formed in the other side of the preheater shell 3 at the position as high as the flue gas discharge pipe 6, and the flue gas is preheated and utilized and then discharged through the exhaust port 8.
The heat preservation layer wraps the outer portions of the preheater shell 3 and the air supply pipeline 2, and heat loss is reduced.
Specifically, during the use, through flue gas discharge pipe 6, with the leading-in preheater shell 3 of high temperature flue gas to utilize the high temperature flue gas, heat the cold air through preheating 5 inside of pipe, realize the heat recovery of high temperature flue gas, the air after the heating passes through leading-in smelting furnace 1 of air supply line 2, thereby makes the air that gets into furnace heat up, thereby promotes into the heat energy of stove oxygenating wind, with the consumption that reduces fuel.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a sludge smelting stove heat energy comprehensive utilization system, includes smelting furnace (1) and pre-heater shell (3), its characterized in that: the flue gas outlet of smelting furnace (1) passes through flue gas discharge pipe (6) and communicates with preheater shell (3) one side, the inside array distribution of preheater shell (3) has preheating pipe (5), the top of preheater shell (3) is passed through gas supply line (2) and is connected with the air inlet of smelting furnace (1), the bottom of preheater shell (3) is passed through intake pipe (7) and is connected with air-blower (9).
2. The heat energy comprehensive utilization system of the sludge smelting furnace according to claim 1, characterized in that: the preheating conduit (5) is vertically arranged.
3. The heat energy comprehensive utilization system of the sludge smelting furnace according to claim 1, characterized in that: sealing plates (4) are respectively fixed at the upper end and the lower end in the preheater shell (3), and the upper end and the lower end of each preheating guide pipe (5) are respectively communicated with the sealing plates (4).
4. The heat energy comprehensive utilization system of the sludge smelting furnace according to claim 3, characterized in that: the flue gas discharge pipe (6) is communicated with the preheater shell (3) between the two seal plates (4), and an exhaust port (8) is arranged on the other side of the preheater shell (3) at the position with the same height as the flue gas discharge pipe (6).
5. The heat energy comprehensive utilization system of the sludge smelting furnace according to claim 1, characterized in that: the heat preservation layers are wrapped on the outer portions of the preheater shell (3) and the air supply pipeline (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020397746.1U CN212178899U (en) | 2020-03-25 | 2020-03-25 | Heat energy comprehensive utilization system of sludge smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020397746.1U CN212178899U (en) | 2020-03-25 | 2020-03-25 | Heat energy comprehensive utilization system of sludge smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212178899U true CN212178899U (en) | 2020-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020397746.1U Active CN212178899U (en) | 2020-03-25 | 2020-03-25 | Heat energy comprehensive utilization system of sludge smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212178899U (en) |
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2020
- 2020-03-25 CN CN202020397746.1U patent/CN212178899U/en active Active
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