CN213955315U - Exhaust-heat boiler system - Google Patents
Exhaust-heat boiler system Download PDFInfo
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- CN213955315U CN213955315U CN202022858413.7U CN202022858413U CN213955315U CN 213955315 U CN213955315 U CN 213955315U CN 202022858413 U CN202022858413 U CN 202022858413U CN 213955315 U CN213955315 U CN 213955315U
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Abstract
The utility model discloses a waste heat boiler system, which comprises a boiler, a waste heat boiler and a waste heat boiler, wherein the boiler is provided with a smoke outlet and a slag outlet; the smoke outlet is connected with a smoke recovery assembly, and the slag outlet is connected with a slag recovery assembly; the flue gas recovery assembly comprises a secondary combustion chamber, a water cooling chamber and a spiral heat exchange chamber which are sequentially connected; the slag recovery assembly comprises a heat exchange conveyor and a slag heat exchange chamber. The utility model adds the slag recovery component with the slag heat exchange chamber at the bottom of the boiler, and conveys the slag into the slag heat exchange chamber through the heat exchange conveyor, thereby recovering the heat in the slag and reducing the waste of energy; the utility model discloses a flue gas is at first through the second combustion chamber, carries out the abundant burning of secondary to the insufficient burning material in the flue gas to subside the filtration through the settling tube in the water-cooling chamber to the impurity in the flue gas, reduce the solid impurity content in the flue gas, alleviate follow-up treatment's burden, the life-span of extending system.
Description
Technical Field
The utility model relates to a waste incineration handles, especially exhaust-heat boiler system.
Background
The garbage incineration can reduce the amount and volume of the garbage most quickly and effectively. A large amount of flue gas can be produced in the waste incineration process, and the flue gas contains a large amount of recoverable heat, so that a plurality of waste incineration plants can be provided with a waste heat recovery system for recovering waste heat in the flue gas, and the system comprises a waste heat boiler system.
The exhaust-heat boiler system that the mill used at present is conventional recovery system, can only carry out heat recovery to the flue gas that produces in the boiler, and slag etc. also contains a large amount of heats but can't be recycled in the boiler, causes the heat waste. And the flue gas that the boiler produced still contains partial incomplete burning's material, can aggravate subsequent processing burden, influences the life-span of system.
Therefore, the existing waste heat boiler system of a factory has the defects that waste is caused by the fact that the heat of slag cannot be recovered, and the service life of the system is influenced because impurities in smoke cannot be treated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waste heat boiler system. It has the advantages of recovering heat of slag, reducing waste, treating impurities in flue gas and prolonging the service life of the system.
The technical scheme of the utility model: the waste heat boiler system comprises a boiler, wherein the boiler comprises a main body, a smoke outlet arranged at the top of the main body and a slag outlet arranged at the bottom of the main body; the smoke outlet is connected with a smoke recovery assembly, and the slag outlet is connected with a slag recovery assembly; the flue gas recovery assembly comprises a secondary combustion chamber, a water cooling chamber and a spiral heat exchange chamber which are sequentially connected; the slag recovery assembly comprises a heat exchange conveyor and a slag heat exchange chamber; the water cooling chamber comprises two vertically arranged water cooling pipes and a settling pipe arranged at the bottom of the water cooling pipes; the boiler, the flue gas recovery assembly and the slag recovery assembly are connected through gas pipes; the settling tube can settle solid impurities in the flue gas, and reduce the pollution to subsequent treatment.
In the waste heat boiler system, the spiral heat exchange chamber comprises a heat exchange cavity, a spiral gas pipe arranged in the heat exchange cavity, a liquid outlet pipe arranged at the top of the heat exchange cavity and a liquid inlet pipe arranged at the bottom of the heat exchange cavity; one end of the spiral air pipe is connected with the water cooling chamber; the water flow flows from the bottom net of the heat exchange cavity, and is fully contacted with the flue gas in the spiral air pipe, so that the heat exchange efficiency is high.
In the waste heat boiler system, the heat exchange conveyor comprises a heat insulation shell, a conveyor arranged in the heat insulation shell, and a heat exchange pipe arranged at the top of the heat insulation shell and parallel to the conveyor; a liquid inlet is arranged at the lower end of the heat exchange tube, and a liquid outlet is arranged at the higher end of the heat exchange tube; the high end of the heat-insulating shell is provided with a discharging platform convenient for discharging.
In the waste heat boiler system, the top of the slag heat exchange chamber is provided with an exhaust pipe, and the exhaust pipe is connected with the secondary combustion chamber.
Compared with the prior art, the utility model has the advantages that the slag recovery component provided with the slag heat exchange chamber is additionally arranged at the bottom of the boiler, the slag is conveyed into the slag heat exchange chamber through the heat exchange conveyor, the heat in the slag is recovered, and the waste of energy is reduced; the utility model discloses a flue gas is at first through the second combustion chamber, carries out the abundant burning of secondary to the insufficient burning material in the flue gas to subside the filtration through the settling tube in the water-cooling chamber to the impurity in the flue gas, reduce the solid impurity content in the flue gas, alleviate follow-up treatment's burden, the life-span of extending system.
Therefore, the utility model has the advantages of can retrieve the heat of slag and reduce extravagant and can handle impurity extension system life-span in the flue gas.
Furthermore, the heat exchange conveyor is provided with a heat insulation shell with a heat exchange pipe, so that heat can be recovered while slag is conveyed, and energy waste is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figures are: 1-boiler, 11-slag outlet, 12-smoke outlet, 2-secondary combustion chamber, 3-heat exchange conveyor, 4-slag heat exchange chamber, 5-water cooling chamber, 6-spiral heat exchange chamber, 61-liquid outlet pipe, 62-liquid inlet pipe and 7-spiral gas pipe.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. The waste heat boiler system is shown in figure 1 and comprises a boiler 1, wherein the boiler 1 comprises a main body, a smoke outlet 12 arranged at the top of the main body and a slag outlet 11 arranged at the bottom of the main body; the smoke outlet 12 is connected with a smoke recovery assembly, and the slag outlet 11 is connected with a slag recovery assembly; the flue gas recovery assembly comprises a secondary combustion chamber 2, a water cooling chamber 5 and a spiral heat exchange chamber 6 which are connected in sequence; the slag recovery assembly comprises a heat exchange conveyor 3 and a slag heat exchange chamber 4; the water cooling chamber 5 comprises two vertically arranged water cooling pipes and a settling pipe arranged at the bottom of the water cooling pipes; the boiler 1, the flue gas recovery assembly and the slag recovery assembly are all connected through gas pipes.
The spiral heat exchange chamber 6 comprises a heat exchange cavity, a spiral gas pipe 7 arranged in the heat exchange cavity, a liquid outlet pipe 61 arranged at the top of the heat exchange cavity and a liquid inlet pipe 62 arranged at the bottom of the heat exchange cavity; one end of the spiral air pipe 7 is connected with the water cooling chamber 5.
The heat exchange conveyor 3 comprises a heat insulation shell, a conveyor arranged in the heat insulation shell, and a heat exchange pipe arranged at the top of the heat insulation shell and parallel to the conveyor; a liquid inlet is arranged at the lower end of the heat exchange tube, and a liquid outlet is arranged at the higher end of the heat exchange tube; the high end of the heat-insulating shell is provided with a discharging platform convenient for discharging.
And an exhaust pipe is arranged at the top of the slag heat exchange chamber 4 and is connected with the secondary combustion chamber 2.
Claims (4)
1. Exhaust-heat boiler system, its characterized in that: the boiler comprises a boiler (1), wherein the boiler (1) comprises a main body, a smoke outlet (12) arranged at the top of the main body and a slag outlet (11) arranged at the bottom of the main body; the smoke outlet (12) is connected with a smoke recovery assembly, and the slag outlet (11) is connected with a slag recovery assembly; the flue gas recovery assembly comprises a secondary combustion chamber (2), a water cooling chamber (5) and a spiral heat exchange chamber (6) which are sequentially connected; the slag recovery assembly comprises a heat exchange conveyor (3) and a slag heat exchange chamber (4); the water cooling chamber (5) comprises two vertically arranged water cooling pipes and a settling pipe arranged at the bottom of the water cooling pipes; the boiler (1), the flue gas recovery assembly and the slag recovery assembly are all connected through gas pipes.
2. The waste heat boiler system of claim 1, wherein: the spiral heat exchange chamber (6) comprises a heat exchange cavity, a spiral air pipe (7) arranged in the heat exchange cavity, a liquid outlet pipe (61) arranged at the top of the heat exchange cavity and a liquid inlet pipe (62) arranged at the bottom of the heat exchange cavity; one end of the spiral air pipe (7) is connected with the water cooling chamber (5).
3. The waste heat boiler system of claim 1, wherein: the heat exchange conveyor (3) comprises a heat insulation shell, a conveyor arranged in the heat insulation shell, and a heat exchange pipe arranged at the top of the heat insulation shell and parallel to the conveyor; a liquid inlet is arranged at the lower end of the heat exchange tube, and a liquid outlet is arranged at the higher end of the heat exchange tube; the high end of the heat-insulating shell is provided with a discharging platform convenient for discharging.
4. The waste heat boiler system of claim 1, wherein: and an exhaust pipe is arranged at the top of the slag heat exchange chamber (4) and is connected with the secondary combustion chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022858413.7U CN213955315U (en) | 2020-12-02 | 2020-12-02 | Exhaust-heat boiler system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022858413.7U CN213955315U (en) | 2020-12-02 | 2020-12-02 | Exhaust-heat boiler system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213955315U true CN213955315U (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022858413.7U Active CN213955315U (en) | 2020-12-02 | 2020-12-02 | Exhaust-heat boiler system |
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| CN (1) | CN213955315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857596A (en) * | 2022-04-12 | 2022-08-05 | 光大环保（中国）有限公司 | Dry-type slag-discharging garbage incinerator, slag discharging method, waste heat recovery system and waste heat recovery method |
-
2020
- 2020-12-02 CN CN202022858413.7U patent/CN213955315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857596A (en) * | 2022-04-12 | 2022-08-05 | 光大环保（中国）有限公司 | Dry-type slag-discharging garbage incinerator, slag discharging method, waste heat recovery system and waste heat recovery method |
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