CN218095959U - Incinerator heat recovery system - Google Patents

Abstract

The utility model belongs to the technical field of waste heat recovery, in particular to an incinerator heat recovery system. The heat recovery system of the incinerator includes a furnace body, a leachate pool and a first heater. The leachate pool is suitable for holding garbage leachate. One end of the first heater is connected to the furnace body, and the other end of the first heater is connected to the furnace body. The leachate pool is connected. The heat recovery system of the incinerator of the utility model can recover the waste heat of the incinerator and improve the energy utilization rate.

Description

Incinerator heat recovery system

technical field

The utility model belongs to the technical field of waste heat recovery, in particular to an incinerator heat recovery system.

Background technique

The leachate produced during the fermentation process of garbage needs to enter the incinerator for harmless treatment. In related technologies, the leachate needs to be heated and concentrated, and the gas generated during the heating process is sucked into the furnace, and the incinerator is ignited In the early stage, in order to achieve the quality of soda water, the generated steam needs to be discharged to the atmosphere, and the heat taken away by the discharged steam causes energy waste.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the embodiment of the utility model proposes an incinerator heat recovery system. The incinerator heat recovery system can recover the waste heat of the incinerator and improve the energy utilization rate.

The incinerator heat recovery system of the embodiment of the utility model includes:

Furnace body;

A leachate pool, which is suitable for holding landfill leachate;

A first heater, one end of the first heater is connected with the furnace body, and the other end of the first heater is connected with the leachate pool.

The incinerator heat recovery system of the embodiment of the utility model can recover the waste heat of the incinerator and improve the energy utilization rate.

In some embodiments, the incinerator heat recovery system further includes a superheater, the inlet of the superheater is connected to the first heater, and the outlet of the superheater is connected to the leachate pool.

In some embodiments, the incinerator heat recovery system further includes an exhaust pipe and a first valve, one end of the first valve is connected to the exhaust pipe, and the other end of the first valve is connected to the superheated connected to the outlet of the device.

In some embodiments, the heat recovery system of the incinerator further includes a gas collection hood, one end of the gas collection hood is suitable for collecting the steam heated by the leachate pool, and the other end of the gas collection hood is connected to the The furnace body is connected to exhaust steam into said furnace body.

In some embodiments, the heat recovery system of the incinerator further includes a suction fan installed in the gas collection hood.

In some embodiments, the heat recovery system of the incinerator further includes a blower, one end of the blower is connected to the gas collecting hood, and the other end of the blower is connected to the furnace body.

In some embodiments, the heat recovery system of the incinerator further includes a drain pipe, one end of the drain pipe is connected to the outlet of the leachate pool, and the other end of the drain pipe is suitable for connecting with the furnace body connected.

In some embodiments, the heat recovery system of the incinerator further includes a liquid sprayer, one end of the liquid sprayer is connected to the drain pipe, and the other end of the liquid sprayer is adapted to be connected to the furnace body.

In some embodiments, the incinerator heat recovery system further includes a second heater, one end of the second heater is connected to the first heater, and the other end of the second heater is connected to the leachate The pool is connected to heat the leachate pool.

In some embodiments, the heat recovery system of the incinerator further includes an economizer, and the economizer is arranged at the outlet of the furnace body.

Description of drawings

Fig. 1 is a schematic diagram of an incinerator heat recovery system according to an embodiment of the present invention.

Reference signs:

Furnace body 1, leachate pool 2, first heater 3, superheater 4, exhaust pipe 5, first valve 6, second valve 7, gas collecting hood 8, suction fan 9, liquid discharge pipe 10, liquid spray Device 11, second heater 12, economizer 13, first pump 14, blower 15.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

The heat recovery system of the incinerator according to the embodiment of the utility model includes a furnace body 1, a leachate pool 2 and a first heater 3, the leachate pool 2 is suitable for containing garbage leachate, and one end of the first heater 3 is connected to the furnace body 1 The other end of the first heater 3 is connected with the leachate pool 2.

Specifically, as shown in Figure 1, the first heater 3 is suitable for containing fluid, for example, the first heater 3 is suitable for containing water, and the first heater 3 is connected with the furnace body 1 to connect the first heater The water in 3 is heated to form water vapor, and the first heater 3 is also connected to the leachate pool 2 to discharge water vapor into the leachate pool 2 to heat the leachate contained in the leachate pool 2, for example, the leachate pool 2 A heat exchanger is installed inside, and the heat exchanger is suitable for transferring the heat of water vapor to the leachate in the leachate pool 2 for heating. Alternatively, a plurality of heat exchange tubes are arranged in the leachate pool 2, and the plurality of heat exchange tubes are suitable for transferring the heat of water vapor to the leachate in the leachate pool 2 for heating. The leachate is also provided with a waste water outlet to discharge the heated water vapor.

Optionally, the first heater 3 may be a steam drum.

Optionally, the heat recovery system of the incinerator is also provided with a liquid supply tank, which is suitable for containing fluid, and the liquid supply tank is connected with the first heater 3 to provide the fluid to the first heater 3 .

In the incinerator heat recovery system of the embodiment of the present utility model, the incinerator heat recovery system is provided with a first heater 3, the first heater 3 is suitable for recovering the waste heat of the incinerator to heat the fluid in the first heater 3, Improve energy utilization.

In some embodiments, the incinerator heat recovery system further includes a superheater 4, the inlet of the superheater 4 is connected to the first heater 3, and the outlet of the superheater 4 is connected to the leachate pool 2.

Specifically, as shown in Figure 1, the inlet of the superheater 4 is connected to the first heater 3, and the superheater 4 is suitable for being arranged in the furnace body 1, or the superheater 4 is connected to the furnace body 1, and the incinerator generates The flue gas reheats the superheater 4 to heat the fluid in the superheater 4, and the other end of the superheater 4 is connected to the leachate pool 2 to heat the leachate in the leachate pool 2, realizing the recovery of waste heat from the incinerator Reuse, improve energy recovery of incinerator waste heat recovery.

In some embodiments, the incinerator heat recovery system further includes an exhaust pipe 5 and a first valve 6, one end of the first valve 6 is connected to the exhaust pipe 5, and the other end of the first valve 6 is connected to the outlet of the superheater 4 .

Specifically, as shown in Figure 1, one end of the first valve 6 is connected to the exhaust pipe 5, and the other end of the first valve 6 is connected to the outlet of the superheater 4. When the heat generated during the operation of the incinerator is too much, Directly open the first valve 6 to dissipate the heat of the fluid in the superheater 4 and the first heater 3 in the form of gas, thereby improving the stability and safety of the incinerator.

Optionally, the first valve 6 is a flow regulating valve, and the first valve 6 can adjust the flow of gas to be suitable for different usage environments.

Optionally, the heat recovery system of the incinerator also includes a second valve 7, one end of the second valve 7 is connected with the leachate pool 2, the other end of the second valve 7 is connected with the outlet of the superheater 4, and the second valve 7 is suitable for The flow rate of the superheater 4 flowing into the leachate pool 2 is adjusted so as to be suitable for different use environments and improve the stability and safety of the heat recovery system of the incinerator.

In some embodiments, the heat recovery system of the incinerator also includes a gas collection hood 8, one end of the gas collection hood 8 is suitable for collecting steam heated by the leachate pool 2, and the other end of the gas collection hood 8 is connected with the furnace body 1 to The steam is exhausted into the furnace body 1.

Specifically, as shown in Figure 1, the leachate contained in the leachate pool 2 is heated to generate steam, and one end of the inlet of the gas collecting hood 8 faces the leachate pool 2 to collect the steam generated by heating the leachate pool 2, and the gas collection The other end of the cover 8 is connected with the furnace body 1 to send steam into the furnace body 1 for combustion.

In the heat recovery system of the incinerator according to the embodiment of the utility model, the steam generated by heating the leachate pool 2 is collected by setting the gas collecting hood 8, and the other end of the gas collecting hood 8 is connected with the furnace body 1 to send the steam into the furnace body 1 Internal combustion improves the operating efficiency of the incinerator.

In some embodiments, the heat recovery system of the incinerator further includes a suction fan 9 , and one end of the suction fan 9 is installed in the gas collecting hood 8 .

Specifically, as shown in Figure 1, the suction fan 9 is arranged in the gas collection hood 8 to collect the steam generated by the leachate pool 2, improve the ability and efficiency of the gas collection hood 8 to collect steam, and then improve the heat recovery system of the incinerator. Stability and security.

In some embodiments, the heat recovery system of the incinerator further includes a blower 15 , one end of the blower 15 is connected to the gas collecting hood 8 , and the other end of the blower 15 is connected to the furnace body 1 .

Specifically, as shown in Figure 1, the quantity of blower 15 is a plurality of, and one end of blower 15 is communicated with the outlet of gas collecting hood 8, and the other end of blower 15 is connected with furnace body 1 so that leachate pool 2 heats the steam that produces It is blown into the furnace body 1 for combustion, and the steam collected by the gas collecting hood 8 can be quickly discharged into the furnace body 1 for combustion by setting the blower 15, so as to improve the working efficiency of the incinerator.

Specifically, as shown in FIG. 1 , the blower 15 may be a primary blower.

In some embodiments, the heat recovery system of the incinerator further includes a drain pipe 10 , one end of the drain pipe 10 is connected to the outlet of the leachate pool 2 , and the other end of the drain pipe 10 is adapted to be connected to the furnace body 1 .

Specifically, as shown in Figure 1, the inlet of the drain pipe 10 communicates with the outlet of the leachate pool 2, and the leachate heated and concentrated in the leachate pool 2 is sent into the furnace body 1 for combustion through the drain pipe 10, thereby improving the Stability and safety of incinerator heat recovery system.

In some embodiments, the heat recovery system of the incinerator further includes a liquid sprayer 11 , one end of the liquid sprayer 11 is connected to the drain pipe 10 , and the other end of the liquid sprayer 11 is adapted to be connected to the furnace body 1 .

Specifically, as shown in Figure 1, one end of the liquid sprayer 11 is connected to the outlet of the drain pipe 10, and the other end of the liquid sprayer 11 is suitable for extending into the furnace body 1 to spray leachate into the furnace body 1. The liquid container 11 is suitable for spraying leachate into the furnace body 1 to improve the combustion efficiency of the leachate in the furnace body 1 .

Optionally, the heat recovery system of the incinerator also includes a first pump 14, one end of the first pump 14 is connected with the drain pipe 10, and the other end of the first pump 14 is connected with the injector, and the first pump 14 is suitable for passing the liquid The pipe 10 draws the leachate out of the leachate pool 2, improving the operating efficiency and stability of the heat recovery system of the incinerator.

In some embodiments, the incinerator heat recovery system further includes a second heater 12, one end of the second heater 12 is connected with the first heater 3, and the other end of the second heater 12 is connected with the leachate pool 2 to heat the leachate. Filtrate pool 2.

Specifically, as shown in Figure 1, one end of the second heater 12 communicates with the first heater 3, and the other end of the second heater 12 is connected with the leachate to transfer the heat of the heated fluid to the leachate pool 2 To heat the leachate, improve the stability and safety of the heat recovery system of the incinerator. Optionally, one end of the second heater 12 communicates with the superheater 4 , and the other end of the second heater 12 is connected with the leachate to transfer the heat of the heated fluid to the leachate pool 2 to heat the leachate.

Optionally, the second heater 12 may be a steam heater.

In some embodiments, the heat recovery system of the incinerator further includes an economizer 13 , and the economizer 13 is arranged at the outlet of the furnace body 1 .

Specifically, as shown in FIG. 1 , the economizer 13 is installed at the outlet of the furnace body 1 to absorb the heat of the flue gas discharged from the incinerator, reduce the temperature of the flue gas, and improve the stability and safety of the heat recovery system of the incinerator.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" The orientation or positional relationship indicated by , "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrated; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components , unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first feature and the second feature through an intermediary indirect contact. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In this disclosure, the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean specific features, structures, materials described in connection with the embodiment or example Or features are included in at least one embodiment or example of the invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and should not be construed as limitations of the present invention, and those of ordinary skill in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (10)

1. An incinerator heat recovery system, comprising:

a furnace body;

a percolate pond adapted to hold landfill percolate;

one end of the first heater is connected with the furnace body, and the other end of the first heater is connected with the percolate pool.

2. The incinerator heat recovery system of claim 1, further comprising a superheater having an inlet connected to the first heater and an outlet connected to the percolate sump.

3. The incinerator heat recovery system according to claim 2 further comprising an exhaust pipe and a first valve, said first valve being connected at one end to said exhaust pipe and at the other end to the outlet of said superheater.

4. The incinerator heat recovery system of claim 1 further including a gas collection hood, one end of said hood adapted to collect steam heated by said percolate bath, the other end of said hood being connected to said incinerator body for discharging steam into said incinerator body.

5. The incinerator heat recovery system of claim 4, further comprising a suction fan mounted within the gas hood.

6. The incinerator heat recovery system of claim 5 further comprising a blower, one end of said blower being connected to said gas collecting channel and the other end of said blower being connected to said furnace body.

7. The incinerator heat recovery system of claim 1 further comprising a drain pipe, one end of said drain pipe being connected to the outlet of said percolate sump, the other end of said drain pipe being adapted for connection to said furnace body.

8. The incinerator heat recovery system of claim 7 further including a liquid spray, one end of said liquid spray being connected to said drain pipe and the other end of said liquid spray being adapted to be connected to said furnace body.

9. The incinerator heat recovery system according to any one of claims 1 to 8 further including a second heater, said second heater being connected at one end to said first heater and at the other end to said percolate sump for heating said percolate sump.

10. The incinerator heat recovery system according to any one of claims 1 to 8, further comprising an economizer provided at an outlet of the furnace body.

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