Household garbage incineration fly ash recycling treatment device

By designing the structure of the fly ash melting chamber and the collection chamber, the contact area and time between flue gas and liquid materials are increased, solving the problems of low decomposition efficiency and ineffective utilization of flue gas in traditional fly ash melting devices, and realizing efficient decomposition and resource recycling of fly ash.

CN223465305UActive Publication Date: 2025-10-24如东盛景环境服务有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422674196.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-10-24
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

Traditional fly ash melting devices have low fly ash decomposition efficiency, and the flue gas still contains a lot of fine particles that have not been refined, and the melted flue gas cannot be effectively utilized.

Method used

A fly ash recycling and treatment device for municipal solid waste incineration was designed, comprising a fly ash melting chamber, an arc-shaped flue gas baffle, and a collection chamber. The fly ash is melted by a heating plate, and the arc-shaped flue gas baffle increases the contact area and time between the flue gas and the liquid material, causing fine particles to adhere to the liquid material. The arc-shaped guide plate guides the particles in the flue gas to the surface of the liquid material for further refining of the flue gas.

Benefits of technology

It improves the decomposition efficiency of fly ash, effectively refines fine particles in flue gas, and allows the molten liquid material to be used as building material, thus realizing the recycling of resources.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223465305U_ABST
    Figure CN223465305U_ABST
Patent Text Reader

Abstract

The utility model relates to a household garbage incineration fly ash recycling treatment device, which belongs to the technical field of garbage fly ash treatment and comprises a fly ash melting cavity, a smoke channel, a trapping chamber and a smoke outlet channel, the fly ash melting cavity comprises an arc-shaped liquid leakage plate and four layers of heating plates, a plurality of liquid leakage holes are formed in the lower portion of the arc-shaped liquid leakage plate, and the smoke outlet channel is communicated with the arc-shaped liquid leakage plate. The four layers of heating plates are sequentially and obliquely arranged from top to bottom, fly ash is molten into a liquid state by the heating plates and flows down from the liquid leakage holes, flue gas generated after the fly ash is molten flows out of the flue gas channel, the flue gas channel is arranged along the arc-shaped liquid leakage plate, the flue gas makes contact with liquid materials in the liquid leakage holes, and the flue gas flows out of the flue gas channel. Fly ash particles in the flue gas adhere to the liquid level of the molten material, a trapping chamber is arranged at the output end of the flue gas channel, the liquid material is collected in the trapping chamber, particles in the flue gas adhere to the surface layer of the liquid material in the trapping chamber, and the productivity of the liquid material is improved by increasing the contact area of the flue gas and the liquid material and prolonging the contact time of the flue gas and the liquid material.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to garbage fly ash processing technical field, concretely is a kind of domestic waste incineration fly ash recycling processing device. BACKGROUND

[0002] Now, fly ash melting technology is widely used in the treatment of fly ash in waste incineration plant, by melting treatment, harmful substances in fly ash can be converted into stable harmless substances, reduce the harm to the environment, the volume of fly ash after melting treatment is greatly reduced, which is beneficial to reduce the land occupation of landfill, the high temperature in the melting process can completely decompose harmful substances such as dioxin in fly ash, and the molten slag after melting can be used as building materials, realizing the recycling of resources, while the decomposition efficiency of fly ash in the traditional fly ash melting device is low, and the exhaust gas still contains many fine particles that have not been refined. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the insufficient of prior art, provide a kind of domestic waste incineration fly ash recycling processing device, to solve the above technical problems, the utility model has adopted the following technical solutions:

[0004] A kind of domestic waste incineration fly ash recycling processing device, comprising:

[0005] Box, the side of the box is equipped with ash inlet pipe, fly ash enters the box from the ash inlet pipe;

[0006] Fly ash melting cavity, the fly ash melting cavity is placed in the box, the top side of the fly ash melting cavity is connected with the ash inlet pipe, fly ash enters the fly ash melting cavity from the ash inlet pipe, the fly ash melting cavity includes arc liquid leakage plate and heating plate, the lower part of the arc liquid leakage plate is equipped with a plurality of liquid leakage holes, the heating plate melts fly ash into liquid material and flue gas, and the liquid material flows from the heating plate to the arc liquid leakage plate and flows out from the liquid leakage hole;

[0007] Arc flue gas baffle, the arc flue gas baffle is arranged along the lower side of the arc liquid leakage plate, the arc flue gas baffle and the arc liquid leakage plate are equipped with flue gas channel, the flue gas channel is connected with the top of the arc liquid leakage plate, flue gas contacts with the liquid material flowing from the liquid leakage hole in the flue gas channel, increases the contact area and contact time of flue gas and liquid material, makes the fine particles doped in flue gas adhere to the liquid material flowing down, and the heat of flue gas in the flue gas channel can heat preservation for the arc liquid leakage plate and keep the stability of liquid material temperature;

[0008] A capture chamber is arranged below the first liquid outlet, and the liquid material flows out of the first liquid outlet and deposits in the capture chamber. The capture chamber is provided with a second liquid outlet at the bottom, and the liquid material in the capture chamber flows out of the second liquid outlet.

[0009] A support seat is arranged for mounting the box.

[0010] Preferably, four layers of the heating plates are arranged in the fly ash melting cavity from top to bottom, and the four layers of the heating plates are arranged to be inclined to the lower side of one end of the flue gas passage. The heavy fly ash falls into the bottom layer of the heating plate to start melting, and the light fly ash falls into the upper layer of the heating plate to start melting. The fly ash is melted into liquid material and flue gas. The flue gas flows back along the upper side of the inclined heating plate to the top of the fly ash melting cavity and enters the flue gas passage. The liquid material falls from the inclined heating plate to the arc-shaped liquid leakage plate, and the liquid material flows out of the liquid leakage hole.

[0011] Preferably, a first heat preservation layer is arranged at the top of the fly ash melting cavity. The first heat preservation layer continuously heats and preserves the fly ash melting cavity, so as to ensure that the temperature in the fly ash melting cavity is maintained at 1500-1800°C.

[0012] Preferably, arc-shaped guide plates are arranged on both sides of the capture chamber. One side of the arc-shaped guide plate is connected to the output end of the flue gas passage, and the output end of the other side of the arc-shaped guide plate is provided with a flue gas outlet pipe. The arc-shaped guide plate guides the flue gas to the surface of the liquid material in the capture chamber. The fine particles in the flue gas adhere to the surface of the liquid material, further refining the flue gas. The refined flue gas flows out of the flue gas outlet pipe. The liquid material after flowing out can be used as building materials after condensation, realizing the recycling of resources.

[0013] Preferably, a second heat preservation layer is arranged between the arc-shaped guide plate and the box. The second heat preservation layer is used to continuously preserve the liquid material in the capture chamber, so as to stabilize the temperature of the liquid material and ensure that the liquid material adheres to the particles in the flue gas.

[0014] Beneficial effects: the utility model discloses a kind of domestic waste incineration fly ash recycling processing device, the high temperature in fly ash melting cavity can decompose harmful substance in fly ash, melt fly ash into liquid material and flue gas, flue gas contacts with the liquid material flowing from the flue gas passage and the leakage hole, increase the contact area and contact time of flue gas and liquid material, make the fine particle doped in flue gas adhere in the liquid material flowing, the arc fairing guides flue gas to the surface of liquid material in the trapping chamber, fine particle in flue gas adheres to the surface of the liquid material, further refine the flue gas, the liquid material flowing out can be used as building material after condensation, realize the recycling of fly ash. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application.

[0016] In the drawings:

[0017] Figure 1 It is the whole schematic diagram of the utility model domestic waste incineration fly ash recycling processing device;

[0018] Figure 2 It is the utility model fly ash melting cavity schematic diagram;

[0019] Figure 3 It is the utility model arc leakage plate local schematic diagram.

[0020] Mark in drawing: 1, fly ash melting cavity;2, box;3, second heat preservation layer;4, trapping chamber;5, fairing;6, second liquid outlet;7, support seat;8, smoke outlet pipe;9, first heat preservation layer;10, arc flue gas partition;11, flue gas passage;12, heating plate;13, arc leakage plate;14, leakage hole;15, first liquid outlet;16, ash inlet pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. The following text is only used to describe a kind of domestic waste incineration fly ash recycling processing device of the present application, and does not strictly limit the protection scope of the specific request of the present application.

[0022] In addition, the technical solutions among various embodiments can be combined with each other, but it must be based on that a person skilled in the art can realize, when the combination of the technical solutions appears contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope required by the utility model.

[0023] Embodiment: as Figures 1-3 illustrated, a household garbage incineration fly ash recycling treatment device comprises:

[0024] The box body 2, as Figure 1 illustrated, one side of the box body 2 is provided with an ash inlet pipe 16, and fly ash enters the box body 2 from the ash inlet pipe 16;

[0025] The fly ash melting cavity 1, as Figure 2 illustrated, is arranged in the box body 2, one side of the top of the fly ash melting cavity 1 is connected with the ash inlet pipe 16, fly ash enters the fly ash melting cavity 1 from the ash inlet pipe 16, the fly ash melting cavity 1 comprises an arc-shaped liquid leakage plate 13 and a heating plate 12, the lower part of the arc-shaped liquid leakage plate 13 is provided with a plurality of liquid leakage holes 14, and the heating plate 12 melts fly ash into liquid material and flue gas, and the liquid material flows from the heating plate 12 to the arc-shaped liquid leakage plate 13 and flows out from the liquid leakage holes 14;

[0026] The arc-shaped flue gas partition plate 10, as Figure 2 and Figure 3 illustrated, is arranged along the lower side of the arc-shaped liquid leakage plate 13, a flue gas passage 11 is arranged between the arc-shaped flue gas partition plate 10 and the arc-shaped liquid leakage plate 13, the flue gas passage 11 is connected with the top of the arc-shaped liquid leakage plate 13, flue gas contacts the liquid material flowing down from the liquid leakage holes 14, the contact area and the contact time of the flue gas and the liquid material are increased, fine particles doped in the flue gas are adhered to the liquid material flowing down, and the heat of the flue gas in the flue gas passage 11 can heat the arc-shaped liquid leakage plate 13 and keep the temperature of the liquid material stable;

[0027] The capture chamber 4, as Figure 1 illustrated, the bottom of the arc-shaped flue gas partition plate 10 is provided with a first liquid outlet 15, the capture chamber 4 is arranged on the lower side of the first liquid outlet 15, the liquid material flows out from the first liquid outlet 15 and deposits in the capture chamber 4, the bottom of the capture chamber 4 is provided with a second liquid outlet 6, and the liquid material in the capture chamber 4 flows out from the second liquid outlet 6;

[0028] The support seat 7, as Figure 1 illustrated, the box body 2 is installed on the support seat 7.

[0029] In the embodiment, as Figure 2As shown, four layers of the heating plate 12 are arranged in the fly ash melting cavity 1 from top to bottom, and the four layers of the heating plate 12 are arranged obliquely to the lower side of one end of the flue gas passage 11. The heavy fly ash starts to melt after falling into the bottom layer of the heating plate 12, and the light fly ash starts to melt after falling into the upper layer of the heating plate 12. The fly ash is melted into liquid material and flue gas. The flue gas flows back along the upper side of the inclined heating plate 12 to the top of the fly ash melting cavity 1 and enters the flue gas passage 11. In the process of flowing, the heating plate 12 further heats the flue gas. The liquid material falls from the inclined heating plate 12 to the arc-shaped liquid leakage plate 13, and the liquid material flows out from the liquid leakage hole 14.

[0030] In the embodiment, as shown in the figure, Figure 1 As shown, the first heat preservation layer 9 is arranged at the top of the fly ash melting cavity 1. The first heat preservation layer 9 continuously heats and preserves the fly ash melting cavity 1, so as to ensure that the temperature in the fly ash melting cavity 1 is maintained at 1500-1800℃.

[0031] In the embodiment, as shown in the figure, Figure 1 As shown, the arc-shaped flow guide plate 5 is arranged on both sides of the collection chamber 4. One side of the arc-shaped flow guide plate 5 is connected with the output end of the flue gas passage 11, and the output end of the other side of the arc-shaped flow guide plate 5 is provided with the smoke outlet pipe 8. The arc-shaped flow guide plate 5 guides the flue gas to the surface of the liquid material in the collection chamber 4. The fine particles in the flue gas adhere to the surface of the liquid material, and the flue gas is further refined. The refined flue gas flows out from the smoke outlet pipe 8, and the liquid material after flowing out can be used as building materials after condensation, realizing the recycling of resources.

[0032] In the embodiment, as shown in the figure, Figure 1 Figure 1 As shown, the second heat preservation layer 3 is arranged between the arc-shaped flow guide plate 5 and the box body 2. The second heat preservation layer 3 is used for continuously preserving the liquid material in the collection chamber 4, ensuring the stability of the temperature of the liquid material and ensuring that the liquid material adheres to the particles in the flue gas.

[0033] In use, the fly ash enters the fly ash melting cavity 1 from the ash inlet pipe 16, the four layers of the heating plate 12 melt the fly ash into liquid material and flue gas, the flue gas flows back to the top of the fly ash melting cavity 1 along the upper side of the inclined heating plate 12 into the flue gas channel 11, in the process of flowing, the heating plate 12 further heats the flue gas, the liquid material falls from the inclined heating plate 12 into the arc-shaped liquid leakage plate 13, and flows out of the liquid leakage hole 14, the flue gas channel 11 is connected with the top of the arc-shaped liquid leakage plate 13, the flue gas contacts the liquid material flowing out of the liquid leakage hole 14 from the flue gas channel 11, the contact area and the contact time of the flue gas and the liquid material are increased, the fine particles mixed in the flue gas are adhered to the liquid material, the arc-shaped guide plate 5 guides the flue gas to the surface of the liquid material in the capture chamber 4, the fine particles in the flue gas are adhered to the surface of the liquid material, the flue gas is further refined, the refined flue gas flows out of the smoke outlet pipe 8, and the liquid material after flowing out is condensed into slag, and the slag can be used as a building material.

[0034] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, for the ordinary skilled in the art, after knowing the contents recorded in the utility model, under the premise of not departing from the principles of the utility model, a plurality of equivalent transformations and substitutions can be made, and these equivalent transformations and substitutions should also be regarded as belonging to the protection scope of the utility model.

Claims

1. A domestic waste incineration fly ash recycling and treatment device, characterized by: The utility model relates to a fly ash melting device, including: a box, one side of the box is provided with an ash inlet pipe, fly ash enters the box from the ash inlet pipe; a fly ash melting cavity is arranged in the box, one side of the top of the fly ash melting cavity is connected with the ash inlet pipe, fly ash enters the fly ash melting cavity from the ash inlet pipe, the fly ash melting cavity comprises an arc-shaped liquid leakage plate and a heating plate, a plurality of liquid leakage holes are arranged in the lower part of the arc-shaped liquid leakage plate, the heating plate melts fly ash into liquid material and flue gas, the liquid material flows from the heating plate to the arc-shaped liquid leakage plate and flows out from the liquid leakage holes; an arc-shaped flue gas partition plate is arranged along the lower side of the arc-shaped liquid leakage plate, a flue gas channel is arranged between the arc-shaped flue gas partition plate and the arc-shaped liquid leakage plate, the flue gas channel is connected with the top of the arc-shaped liquid leakage plate, flue gas contacts the liquid material flowing out from the liquid leakage holes through the flue gas channel, fine particles mixed in the flue gas adhere to the liquid material flowing out, and the heat of the flue gas in the flue gas channel is used for heat preservation of the arc-shaped liquid leakage plate and maintaining the stability of the temperature of the liquid material; a trapping chamber is arranged below the first liquid outlet at the bottom of the arc-shaped flue gas partition plate, the liquid material flows out from the first liquid outlet and deposits in the trapping chamber, and the bottom of the trapping chamber is provided with a second liquid outlet, the liquid material in the trapping chamber flows out from the second liquid outlet; the box is mounted on a support seat.

2. The household garbage incineration fly ash recycling treatment device according to claim 1, characterized in that: four layers of the heating plates are arranged in the fly ash melting cavity from top to bottom, the four layers of the heating plates are arranged obliquely to the lower side of one end of the flue gas channel, heavy fly ash falls into the bottom layer of the heating plates and starts to melt, light fly ash falls into the upper layer of the heating plates and starts to melt, fly ash is melted into liquid material and flue gas, the flue gas flows back along the upper side of the oblique heating plates to the top of the fly ash melting cavity and enters the flue gas channel, and the liquid material falls from the oblique heating plates to the arc-shaped liquid leakage plate and flows out from the liquid leakage holes.

3. The household garbage incineration fly ash recycling treatment device according to claim 1, characterized in that: a first heat preservation layer is arranged in the top of the fly ash melting cavity, and the first heat preservation layer continuously heats and preserves the fly ash melting cavity.

4. The household garbage incineration fly ash recycling treatment device according to claim 1, characterized in that: arc-shaped flow guide plates are arranged on both sides of the trapping chamber, one side of the arc-shaped flow guide plate is connected with the output end of the flue gas channel, and the output end of the other side of the arc-shaped flow guide plate is provided with a flue gas outlet pipe, the arc-shaped flow guide plates guide flue gas to the surface of the liquid material in the trapping chamber, and the refined flue gas flows out from the flue gas outlet pipe.

5. The household garbage incineration fly ash recycling treatment device according to claim 4, characterized in that: a second heat preservation layer is arranged between the arc-shaped flow guide plates and the box, and the second heat preservation layer is used for continuously preserving the liquid material in the trapping chamber.