Double-smoke-path discharging and collecting equipment for garbage incinerator

Abstract

The utility model discloses double-smoke-path discharging and collecting equipment of a garbage incinerator, which belongs to the technical field of garbage incinerators, and comprises a hearth for combusting garbage, a slag chamber is arranged at the bottom of the hearth, the slag chamber is communicated with the hearth, a slag filtering net is arranged at the communication position, a ventilation pipe is arranged on the rear side of the slag chamber, and the ventilation pipe is communicated with the hearth. A ventilation pipe is arranged in the middle of the hearth, an air blower is arranged in the middle of the ventilation pipe, gas discharging plates used for discharging gas are arranged on the two sides of the hearth, a first flue is arranged on the top of the hearth, a second flue is arranged on the rear side of the hearth, a heat recovery mechanism is wrapped in the middle of the second flue, and a heat exchange pipeline is wound around the middle of the first flue. The waste incineration heat utilization rate is improved, and the energy consumption and the cost required by waste incineration are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to garbage incineration technical field, concretely relates to a garbage incinerator double flue discharging and collecting equipment. BACKGROUND

[0002] Garbage incineration is to use high-temperature oxidation to treat domestic waste, which is burned at high temperature to convert combustible waste into carbon dioxide and water, etc. The ash and slag after incineration are only 20% or less of the original volume of domestic waste, thereby greatly reducing the amount of solid waste and also eliminating various pathogens.

[0003] Garbage incinerator is a device for treating garbage. It converts organic matter in garbage into carbon dioxide, water and ash through high-temperature combustion. Its working principle is to create a high-temperature environment in the incinerator, and the temperature can reach 850 1100℃. After the garbage is put into the furnace, it is burned under sufficient oxygen supply, so that the combustible components in the garbage are fully oxidized and decomposed.

[0004] The existing single flue garbage incinerator usually exchanges heat with the air entering the hearth, but heating the air entering the hearth does not require so much heat, so a double flue garbage incinerator is needed to fully utilize the waste heat in the flue gas. SUMMARY

[0005] To solve the above technical problems, the utility model provides a garbage incinerator double flue discharging and collecting equipment.

[0006] The technical scheme of the utility model is: a garbage incinerator double flue discharging and collecting equipment, which comprises a hearth for burning garbage, a slag chamber is arranged at the bottom of the hearth, the slag chamber and the hearth are communicated, and a slag filter net is arranged at the communication part, a ventilation pipe is arranged at the rear side of the slag chamber, a blower is arranged at the middle part of the ventilation pipe, a gas discharge plate for discharging flue gas is arranged at both sides of the hearth, a first flue is arranged at the top of the hearth, a second flue is arranged at the rear side of the hearth, a heat recovery mechanism is wrapped around the middle part of the second flue, a heat exchange pipe is wound around the middle part of the first flue, and one end of the heat exchange pipe is communicated with the ventilation pipe.

[0007] Further, the heat recovery mechanism comprises a hot water bin wrapped around the outside of the second flue, a water inlet pipe and a water outlet pipe are arranged on the hot water bin, and a control valve is arranged at the communication part of the water inlet pipe and the hot water bin.

[0008] Explanation: The water flow rate is controlled by the control valve, and then the heat exchange time of the cold water fish second flue is controlled, and then the water temperature of the hot water outflow is controlled.

[0009] Further, the gas exhaust plate comprises a plate body, a cavity is arranged in the plate body, a natural gas pipeline is communicated with the outside of the cavity, and a plurality of gas injection ports are arranged on the inner side of the plate body and communicated with the cavity.

[0010] Description: The gas is uniformly injected from the gas injection ports through the cavity.

[0011] Further, a branch pipe is arranged on the ventilation pipe, an air chamber is arranged on the outer side of the gas exhaust plate, the outer side of the air chamber is communicated with the branch pipe, a plurality of exhaust pipes are communicated with the inner side of the air chamber, and the exhaust pipes are communicated with the hearth through the gas exhaust plate.

[0012] Description: The air and the gas are more uniformly mixed through the air chamber, and the combustion efficiency is improved.

[0013] Further, the ends of the first flue and the second flue are jointly communicated with a gas washing tower, and a plurality of water spraying nozzles are communicated with the inside of the gas washing tower through a water pump.

[0014] Description: The flue gas is treated by water filtering through the water spraying nozzles.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model discloses a double flue design is used for fully utilizing the heat in the flue gas, the heat in the first flue is used for heating the air entering the hearth through the heat exchange pipeline, the energy consumption required for burning the garbage in the hearth can be saved, the waste heat in the flue gas is used for water heating through the heat recovery mechanism in the second flue, the heat utilization rate of the garbage incineration is improved, and the energy consumption and cost required for burning the garbage are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model.

[0018] Figure 2 It is the section view of the gas plate of the utility model.

[0019] Wherein, 1-hearth, 2-slag chamber, 3-filter residue net, 4-ventilation pipe, 5-blast furnace, 6-gas exhaust plate, 11-first flue, 12-second flue, 7-heat recovery mechanism, 111-heat exchange pipeline pipe, 71-hot water chamber, 72-water inlet pipe, 73-water outlet pipe, 74-control valve, 60-plate body, 61-cavity, 62-natural gas pipeline, 63-gas injection port, 41-branch pipe, 42-air chamber, 43-exhaust pipe, 8-gas washing tower, 81-water pump, 82-water spraying nozzle. DETAILED DESCRIPTION

[0020] Example 1:

[0021] As Figure 1As shown, a dual-flue emission collection device for a waste incinerator includes a furnace 1 for burning waste, a slag chamber 2 at the bottom of the furnace 1, the slag chamber 2 and the furnace 1 being connected, and a filter screen 3 being provided at the connection point, a ventilation pipe 4 at the rear of the slag chamber 2, a blower 5 in the middle of the ventilation pipe 4, gas emission plates 6 for discharging gas on both sides of the furnace 1, a first flue 11 at the top of the furnace 1, a second flue 12 at the rear of the furnace 1, a heat recovery mechanism 7 wrapped in the middle of the second flue 12, and a heat exchange pipe 111 wound around the middle of the first flue 11, one end of the heat exchange pipe 111 being connected to the ventilation pipe 4.

[0022] The heat recovery mechanism 7 includes a hot water chamber 71 wrapped around the outside of the second flue 12. The hot water chamber 71 is provided with an inlet pipe 72 and an outlet pipe 73. A control valve 74 is provided at the connection between the inlet pipe 72 and the hot water chamber 71.

[0023] The water flow rate is controlled by the control valve 74, which in turn controls the heat exchange time of the second flue 12 of the cold water fish, and thus controls the water temperature of the hot water flowing out.

[0024] The gas emission panel 6 includes a panel body 60, a cavity 61 inside the panel body 60, a natural gas pipeline 62 connected to the outside of the cavity 61, and a number of gas nozzles 63 connected to the cavity 61 on the inside of the panel body 60.

[0025] The cavity 61 allows the gas to be evenly ejected from the jet nozzle 63.

[0026] Example 2:

[0027] The difference between this embodiment and Embodiment 1 is that, Figure 2 As shown, a branch pipe 41 is provided on the ventilation pipe 4, and an air chamber 42 is provided on the outside of the gas emission plate 6. The outside of the air chamber 42 is connected to the branch pipe 41, and multiple exhaust pipes 43 are connected to the inside of the air chamber 42. The exhaust pipes 43 pass through the inside of the gas emission plate 6 and are connected to the furnace 1.

[0028] Compared to Example 1, this embodiment uses air chamber 42 to achieve a more uniform mixing of air and fuel gas, thereby improving combustion efficiency.

[0029] Example 3:

[0030] The difference between this embodiment and embodiment 2 is that the ends of the first flue 11 and the second flue 12 are connected to a scrubbing tower 8, and the interior of the scrubbing tower 8 is connected to multiple water spray nozzles 82 via a water pump 81.

[0031] Compared to Example 2, this embodiment uses a water spray nozzle 82 to perform water filtration on the flue gas.

[0032] The working method of the above embodiment 2 includes the following steps:

[0033] S1, the gas is introduced into the cavity 61 through the gas pipeline 62, then is sprayed out through the air outlet 63, and is combusted in the hearth 1; air is introduced into the hearth through the air pipe 4 in the slag chamber 2, and can also be sprayed out from both sides of the hearth 1 through the branch pipe 41, the air warehouse 42 and the exhaust pipe 43;

[0034] S2, the flue gas generated by the garbage incineration is discharged through the first flue 11 and the second flue 12; the first pipeline exchanges heat with the heat exchange pipeline 111 to heat the cold air in the air pipe 4; the second flue 12 exchanges heat with the hot water warehouse 71 to recycle the waste heat of the second flue 12 by using cold water;

[0035] S3, the first flue 11 and the second flue 12 are jointly introduced into the gas washing tower 8 to perform gas washing; the water pump 81 pumps water to the water spraying nozzle 82, and the dust in the flue gas is dropped into the bottom of the gas washing tower 8 through the water drops in the way of gas washing,

[0036] In the above embodiment, the air blower 5, the control valve 74 and the water pump 81 are all commercially available products, as long as the functions of the utility model can be realized, and the person skilled in the art can select and use them according to the conventional common sense, which is not specially limited here.

Claims

1. A dual-emission collection device for a waste incinerator, characterized in that, The furnace includes a combustion chamber (1) for burning waste. A slag chamber (2) is provided at the bottom of the furnace (1). The slag chamber (2) and the furnace (1) are connected and a filter screen (3) is provided at the connection. A ventilation pipe (4) is provided at the rear of the slag chamber (2). A blower (5) is provided in the middle of the ventilation pipe (4). Gas exhaust plates (6) for discharging gas are provided on both sides of the furnace (1). A first flue (11) is provided at the top of the furnace (1). A second flue (12) is provided at the rear of the furnace (1). A heat recovery mechanism (7) is wrapped in the middle of the second flue (12). A heat exchange pipe (111) is wound in the middle of the first flue (11). One end of the heat exchange pipe (111) is connected to the ventilation pipe (4).

2. The dual-smoke emission collection device for a waste incinerator as described in claim 1, characterized in that, The heat recovery mechanism (7) includes a hot water chamber (71) wrapped around the outside of the second flue (12). The hot water chamber (71) is provided with an inlet pipe (72) and an outlet pipe (73). A control valve (74) is provided at the connection between the inlet pipe (72) and the hot water chamber (71).

3. The dual-smoke emission collection device for a waste incinerator as described in claim 1, characterized in that, The gas emission plate (6) includes a plate body (60), a cavity (61) is provided inside the plate body (60), a natural gas pipeline (62) is connected to the outside of the cavity (61), and a plurality of jet nozzles (63) connected to the cavity (61) are provided on the inside of the plate body (60).

4. The dual-smoke emission collection device for a waste incinerator as described in claim 1, characterized in that, The ventilation pipe (4) is provided with a branch pipe (41), and an air chamber (42) is provided on the outside of the gas emission plate (6). The outside of the air chamber (42) is connected to the branch pipe (41), and multiple exhaust pipes (43) are connected to the inside of the air chamber (42). The exhaust pipes (43) pass through the inside of the gas emission plate (6) and are connected to the furnace (1).

5. The dual-smoke emission collection device for a waste incinerator as described in claim 1, characterized in that, The first flue (11) and the second flue (12) are connected to a scrubbing tower (8) at their ends. The scrubbing tower (8) is connected to multiple water spray nozzles (82) via a water pump (81).

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