CN217763444U - Useless coprocessing device of solid waste liquid - Google Patents

Abstract

The application relates to a solid waste liquid waste synergistic treatment device, which comprises a rotary kiln, a first flue gas inlet and a second flue gas outlet, wherein the rotary kiln is used for burning solid waste to generate first flue gas; the waste liquid incinerator is used for incinerating liquid waste to generate second flue gas, and a second feed inlet used for feeding the liquid waste into the waste liquid incinerator and a second smoke outlet used for discharging the second flue gas are formed in the waste liquid incinerator; the second combustion chamber is communicated with the first smoke exhaust port and the second smoke exhaust port through pipelines respectively, and is used for receiving the first smoke and the second smoke and carrying out secondary combustion; and (5) cooling the equipment. Solid waste and liquid waste are separately treated in the application, the coking risk of the rotary kiln is reduced, and the afterburning quantity of a secondary combustion chamber is reduced.

Description

Useless coprocessing device of solid waste liquid

Technical Field

The application relates to the technical field of waste treatment, in particular to a solid waste liquid and waste cooperative treatment device.

Background

At present, in the field of waste liquid treatment, both solid waste (solid waste for short) and liquid waste (liquid waste for short) are required to be treated in many cases.

In the related art, the waste is usually treated by burning in a rotary kiln, but when the rotary kiln is used for treating solid waste and liquid waste simultaneously, the waste liquid is sprayed into the rotary kiln to cause the coking problem of the rotary kiln, and because the waste liquid contains salt and ash with low melting points, the waste liquid is easy to cause coking and salt deposition when contacting cold air; the burning condition in the rotary kiln is adversely affected, and the stable pyrolysis combustion in the rotary kiln is affected.

Therefore, a solid waste liquid treatment device is needed to solve at least one of the above technical problems.

Disclosure of Invention

In view of at least one of the above technical problems, the present application provides a solid waste and liquid waste co-processing device, which comprises the following technical solutions,

the device comprises a rotary kiln, a first flue gas inlet, a first flue gas outlet and a first flue gas outlet, wherein the rotary kiln is used for burning solid waste materials to generate first flue gas; the waste liquid incinerator is used for incinerating liquid waste to generate second flue gas, and a second feed inlet used for feeding the liquid waste into the waste liquid incinerator and a second smoke outlet used for discharging the second flue gas are formed in the waste liquid incinerator; the second combustion chamber is communicated with the first smoke exhaust port and the second smoke exhaust port through pipelines respectively, and is used for receiving the first smoke and the second smoke and carrying out secondary combustion; and the cooling equipment is connected with the secondary combustion chamber and used for cooling the flue gas after secondary combustion.

Preferably, the cooling device comprises a waste heat boiler, and the waste heat boiler is communicated with the secondary combustion chamber through a pipeline and is used for receiving the flue gas discharged from the secondary combustion chamber and exchanging heat with the flue gas discharged from the secondary combustion chamber by using water.

Preferably, the cooling device further comprises a quenching tower, and the quenching tower is communicated with the waste heat boiler through a pipeline and is used for receiving the flue gas discharged from the waste heat boiler and cooling the flue gas.

Preferably, an atomizing injector is arranged in the waste liquid incinerator and is communicated with the second feed inlet, and the atomizing injector is used for atomizing the liquid waste and then spraying the liquid waste into the waste liquid incinerator for combustion.

Preferably, the direction of movement of the first flue gas and the direction of movement of the solid waste material within the rotary kiln are opposite.

Preferably, a drying zone, a pyrolysis zone and a burnout zone are sequentially arranged in the rotary kiln along the movement direction of the solid waste; wear-resistant castable is laid in the drying zone, corrosion-resistant castable is laid in the pyrolysis zone, and salt-resistant castable is laid in the burnout zone.

Preferably, the second combustion chamber comprises a fixed section; the combustor is used for performing secondary combustion on the flue gas, and a flue gas outlet is formed in the vertical section; the horizontal section is used for communicating the fixed section with the vertical section; the first smoke outlet of the rotary kiln is communicated with the fixed section through a pipeline, and the second smoke outlet of the waste liquid incinerator is communicated with the fixed section or the horizontal section through a pipeline.

Preferably, the fixed section comprises a first fixed section, the first fixed section is communicated with the first smoke exhaust port through a pipeline, and a secondary air inlet is formed in the first fixed section; and the second fixed section is used for connecting the horizontal section, a tertiary air inlet is formed in the second fixed section, and the second fixed section is positioned above the first fixed section.

Preferably, the horizontal section is provided with four air inlets.

Preferably, the temperature of the first flue gas is lower than the temperature of the second flue gas; wherein the temperature of the first flue gas is 850-1000 ℃, and the temperature of the second flue gas is 1200-1500 ℃.

The application has at least the following effects:

the waste liquid incinerator only treats liquid waste, and the rotary kiln only treats solid waste, so that the adaptability to load change is strong; the heat of the generated high-temperature flue gas can directly supplement the heat of a second combustion chamber of the rotary kiln system, the temperature of the flue gas at the outlet of the second combustion chamber is ensured to be more than 1100 ℃, the afterburning amount of natural gas is reduced, the cost is saved, and the rotary kiln system is economical and feasible.

Drawings

The following drawings of the present application are included to provide an understanding of the present application. The drawings illustrate embodiments of the application and their description, serve to explain the principles and apparatus of the application. In the drawings, there is shown in the drawings,

FIG. 1 is a schematic diagram of the overall structure of a co-processing device in the embodiment of the present application;

FIG. 2 is a schematic diagram of a rotary kiln structure in an embodiment of the present application;

FIG. 3 is a schematic view showing the structure of a waste liquid incinerator in the embodiment of the present application;

fig. 4 is a schematic view of a second combustion chamber structure in the embodiment of the present application.

Reference numerals:

1. rotating the cellar; 11. a first exhaust port; 12. a primary air inlet; 2. a waste liquid incinerator; 21. a second smoke exhaust port; 22. an injector body; 221. an air inlet; 222. an air inlet; 23. an igniter; 231. a first intake nozzle; 232. a second inlet nozzle; 3. a second combustion chamber; 31. a first fixed section; 32. a second fixed section; 33. a horizontal segment; 34. a vertical section; 35. a chimney; 36. a burner; 37. a secondary air inlet; 38. a tertiary air inlet; 39. a fourth air inlet; 4. a waste heat boiler; 5. a quenching tower.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present application. It will be apparent, however, to one skilled in the art, that the present application may be practiced without one or more of these specific details. In other instances, well-known features of the art have not been described in order to avoid obscuring the present application.

It is to be understood that the present application is capable of implementation in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like reference numerals refer to like elements throughout.

It will be understood that, although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of the associated listed items.

Embodiments of the invention are described herein with reference to cross-sectional illustrations that are schematic illustrations of idealized embodiments (and intermediate structures) of the present application. As such, variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, are to be expected. Thus, embodiments of the present application should not be limited to the particular shapes of regions illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. Thus, the regions illustrated in the figures are schematic in nature and their shapes are not intended to illustrate the actual shape of a region of a device and are not intended to limit the scope of the present application.

Referring to fig. 1-4, a solid-liquid waste liquid co-processing device disclosed in the embodiment of the present application includes a rotary kiln 1 for burning solid waste (hereinafter referred to as solid waste) to generate a first flue gas; a waste liquid incinerator 2 for incinerating liquid waste (hereinafter referred to as liquid waste) to generate second flue gas; a second combustion chamber 3 for the rotary kiln 1 and the waste liquid incinerator 2; the cooling equipment is used for cooling the secondary combustion flue gas and recovering waste heat; and the flue gas purification system is used for purifying the cooled flue gas to make the cooled flue gas reach the emission standard.

The rotary kiln 1 is provided with a first feed inlet for feeding solid waste into the rotary kiln 1 and a first smoke discharge port 11 for discharging first smoke. The waste liquid incinerator 2 is provided with a second feed inlet for feeding liquid waste into the waste liquid incinerator 2 and a second smoke outlet 21 for discharging second smoke. The inlet end of the second combustion chamber 3 is communicated with the first smoke outlet 11 and the second smoke outlet 21 through a pipeline, and the first smoke after solid-liquid combustion and the second smoke after liquid waste combustion are sent into the second combustion chamber 3 for secondary combustion. The cooling device comprises a waste heat boiler 4 and a quench tower 5, the outlet end of the secondary combustion chamber 3 is connected with the waste heat boiler 4 through a pipeline, and high-temperature flue gas generated after combustion enters the waste heat boiler 4 for heat recovery. The outlet end of the waste heat boiler 4 is connected with the inlet section of the quench tower 5 through a pipeline, and the flue gas after waste heat recovery is cooled again through the quench tower 5.

The waste heat boiler 4 is communicated with the secondary combustion chamber 3 through a pipeline and is used for receiving the smoke discharged from the secondary combustion chamber 3 and exchanging heat with the smoke discharged from the secondary combustion chamber 3 by using water. Illustratively, a circulation pipeline is installed in the exhaust-heat boiler 4, the circulation pipeline is connected with a water storage device (such as a water tank, a water tower and the like) outside the exhaust-heat boiler 4, circulating water is filled in the circulation pipeline, and high-temperature flue gas in the exhaust-heat boiler 4 can heat the circulating water when passing through the circulation pipeline, so that heat of the high-temperature flue gas can be utilized, and waste heat recovery is realized.

When carrying out solid useless and useless processing of liquid, the waste liquid adopts waste liquid incinerator 2 to carry out the burning processing, and solid useless use rotary kiln 1 to carry out the burning processing, will give up solid useless and useless branch processing of liquid, can reduce the influence that the burning operating mode caused in rotary kiln 1 when rotary kiln 1 burning liquid is useless.

Referring to fig. 2, which is a schematic structural diagram of the rotary kiln 1 in the embodiment of the present application, the rotary kiln 1 is a counter-flow rotary kiln 1, two ends of the rotary kiln 1 are respectively provided with an opening, a first feed port and a first smoke exhaust port 11 are respectively located at the same end of the rotary kiln 1, and the first feed port is located below the first smoke exhaust port 11. The other end of the rotary kiln 1 is provided with a first discharge hole and a primary air inlet 12, and the first discharge hole is positioned below the primary air inlet 12. The solid waste needing to be combusted enters the rotary kiln 1 through the first feeding hole, and is discharged through the first discharging hole after being combusted. The primary air entering through the primary air inlet 12 supplements oxygen for the combustion of the rotary kiln 1, and finally is discharged from the first smoke outlet 11 together with the smoke generated in the combustion process, and finally enters the secondary combustion chamber 3. The reverse-flow rotary kiln 1 has smaller volume and can save more land occupation and cost. When the rotary kiln 1 is used for combustion operation, air and materials flow relatively, the advancing directions of the air and solid wastes are opposite, and the rotary kiln has a good heat transfer effect. And because the flue gas and the solid waste are in reverse movement, the flow velocity of the flue gas in the rotary kiln is small, and the fly ash carried in the flue gas has less abrasion to the inner wall of the rotary kiln 1.

Exemplarily, the rotary kiln 1 can be divided into a drying area, a pyrolysis area and a burnout area along the advancing direction of the solid waste in the first feeding hole, the drying area, the pyrolysis area and the burnout area respectively correspond to a feeding evaporation stage, a pyrolysis stage and a combustion slagging stage of the solid waste, the solid waste enters the rotary kiln 1 and then sequentially passes through the three areas, and finally the solid waste of the combustion slagging is discharged through the first discharging hole. The drying zone, pyrolysis zone and burnout zone all occupy one third of the length in the rotary kiln 1. Different regions in the rotary kiln 1 are paved by using different casting materials, and the inner wall of the drying region is provided with wear-resistant casting materials, so that the rotary kiln has a good wear-resistant effect and can cope with large friction force during solid waste flowing. And laying corrosion-resistant pouring materials on the inner wall of the pyrolysis zone to improve the corrosion resistance of the pyrolysis zone. The inner wall of the burnout zone is paved by using the salt-resistant castable, and the service life of the burnout zone can be prolonged by using the salt-resistant castable because the salt deposition phenomenon is easy to occur in the combustion process. In addition, the bottommost layer of the rotary kiln 1 is paved by using a heat-insulating pouring material, so that the heat-insulating property of the rotary kiln 1 is improved.

Referring to fig. 3, which is a schematic view of the internal structure of the waste liquid incinerator 2 in the embodiment of the present application, the waste liquid incinerator 2 is used for burning liquid waste, the second smoke outlet 21 is arranged on the waste liquid incinerator 2, and the flue gas is sent into the secondary combustion chamber 3 for secondary combustion after the waste liquid is burned by the waste liquid incinerator 2. Install the atomizing sprayer on waste liquid incinerator 2, the second feed inlet intercommunication on atomizing sprayer and the waste liquid incinerator 2 for send into waste liquid incinerator 2 inside behind the liquid atomization and carry out the combustion process. A plurality of igniters 23 for igniting the waste liquid injected into the waste liquid incinerator 2 are also installed in the waste liquid incinerator 2.

Illustratively, the atomizing injector includes an injector body 22, the injector body 22 being installed at the second feed port, one end of the injector body 22 being located outside the waste liquid incinerator 2, and the other end being located inside the waste liquid incinerator 2. An air inlet 221 is opened at one end of the ejector body 22 located outside the waste liquid incinerator 2, and the waste liquid to be subjected to combustion treatment enters the ejector body 22 through the air inlet 221. In addition, the ejector is provided with an air inlet 222 at a portion outside the waste liquid incinerator 2 for introducing compressed air into the ejector body 22 to assist in burning the waste liquid. The ejector body 22 has a nozzle at one end thereof located inside the waste liquid incinerator 2, and the liquid waste and the compressed air introduced through the air inlet 221 are ejected through the nozzle and introduced into the waste liquid incinerator 2.

Illustratively, the igniter 23 is installed on the inner wall of the waste liquid incinerator 2, and one end of the igniter 23 is located outside the waste liquid incinerator 2, and a portion of the igniter 23 located outside the waste liquid incinerator 2 is provided with a first air inlet 231 and a second air inlet 232, and the first air inlet 231 is used for introducing auxiliary fuel, preferably, the auxiliary fuel can be natural gas. The second air inlet nozzle 232 is used for introducing flowing air into the waste liquid incinerator 2 to provide oxygen for combustion supporting of fuel and waste liquid. The portion of the igniter 23 located inside the waste liquid incinerator 2 is equipped with an ignition mechanism, and the nozzle is disposed toward the ignition mechanism. Preferably, the ignition mechanism is an electronic igniter, and the ignition mechanism is used for igniting the auxiliary fuel and the waste liquid when in operation, so that the waste liquid is incinerated. And a second smoke outlet 21 is formed in the waste liquid incinerator 2, and second smoke generated during waste liquid combustion is discharged through the second smoke outlet 21.

When the waste liquid incinerator 2 is used for burning the waste liquid, inorganic salts in the waste liquid can quickly form a molten state during high-temperature burning when the waste liquid with a large salt content is burnt at a high temperature. The phenomenon of coking and slagging on the inner wall of the hearth is not easy to occur, and the solid particles contained in the discharged second flue gas are less.

Referring to fig. 4, which is a schematic view of second combustion chamber 3 in the embodiment of the present application, second combustion chamber 3 includes: a fixed section, a horizontal section 33 and a vertical section 34. The fixed section is in communication with the horizontal section 33, and the horizontal section 33 is in communication with the vertical section 34. When the second combustion chamber 3 is arranged, the fixed section and the vertical section 34 are vertically arranged, the horizontal section 33 is horizontally arranged, and the horizontal section 33 is used for connecting the fixed section and the vertical section 34.

The fixed section includes a first fixed section 31 and a second fixed section 32 whose insides are communicated with each other, the second fixed section 32 is located above the first fixed section 31, and the bottom of the second fixed section 32 is connected with the top of the first fixed section 31. The horizontal section 33 is connected to the second fixed section 32 and the vertical section 34 at both ends.

Preferably, the first smoke outlet 11 of the rotary kiln 1 is communicated with the first fixed section 31 through a pipeline, and the second smoke outlet 21 of the waste liquid incinerator 2 is communicated with the horizontal section 33 or the fixed section through a pipeline. Preferably, the second exhaust port 21 communicates with the horizontal section 33 in consideration of convenience of installation connection. After the solid waste and the liquid waste are combusted, the first flue gas and the second flue gas finally enter the second combustion chamber 3, and the flue gas is combusted secondarily through the second combustion chamber 3.

The second combustion chamber 3 further comprises a chimney 35 and a burner 36, the chimney 35 is arranged at the top of the vertical section 34 and communicated with the vertical section 34, a flue gas outlet is formed in the vertical section 34, and the flue gas outlet is connected with the waste heat boiler 4 (see figure 1) through a pipeline, so that the emission of high-temperature flue gas after secondary combustion is realized. Preferably, the chimney 35 is located above the flue gas outlet, which is at a higher level than the horizontal section 33. Burners 36 are mounted inside the vertical section 34 for performing a secondary combustion of the first flue gas and the second flue gas. Preferably, the burner 36 is mounted on the bottom inner wall of the vertical section 34.

Illustratively, the first fixed section 31 is provided with a secondary air inlet 37 communicated with the inside thereof, the second fixed section 32 is provided with a tertiary air inlet 38 communicated with the inside thereof, and the horizontal section 33 is provided with a quaternary air inlet 39 communicated with the inside thereof. When the secondary air inlet 37, the tertiary air inlet 38 and the quaternary air inlet 39 are used, flowing air is introduced into the secondary air inlet, the tertiary air inlet and the quaternary air inlet through the air blower, and the air volume is controlled through the air blower. The structure that uses a plurality of air intakes lets in the air for high temperature flue gas can carry out abundant mixture with the air after entering into second combustion chamber 3, can be abundant when high temperature flue gas burns burn, ensures that harmful substance such as CO and dioxin wherein fully decomposes, reaches the standard of emission.

Illustratively, the temperature of the first flue gas discharged from the rotary kiln 1 is lower than the temperature of the second flue gas, wherein the temperature of the first flue gas is 850-1000 degrees celsius (e.g. about 900 degrees celsius) and the temperature of the second flue gas is 1200-1500 degrees celsius. The temperature of the flue gas discharged from the second combustion chamber 3 is not lower than 1100 ℃.

Illustratively, when the combustion treatment is carried out, the flue gas with the temperature of about 900 ℃ generated by the rotary kiln enters the secondary combustion chamber 3 for combustion again, the high-temperature flue gas with the temperature of 1200-1500 ℃ generated by the waste liquid incinerator 2 enters the secondary combustion chamber 3, the heat ensures that the temperature of the outlet flue gas of the secondary combustion chamber 3 is more than 1100 ℃, and because the first flue gas and the second flue gas both have higher temperatures, the secondary combustion chamber 3 has higher initial temperature when working, and the natural gas afterburning amount of the secondary combustion chamber 3 when working can be effectively reduced. When the first flue gas enters the first fixed section 31, the secondary air enters the second combustion chamber 3 through the secondary air inlet 37; the first flue gas continues to advance, and when entering the second fixed section 32, the tertiary air enters the secondary combustion chamber 3 through the tertiary air inlet 38; when the first flue gas and the second flue gas enter the horizontal section 33, the fourth air enters the second combustion chamber 3 through the fourth air inlet 39, and finally, the first flue gas, the second flue gas and the mixed air enter the vertical section 34 and are combusted through the combustor 36, so that the combustion of the flue gas is more complete due to the multiple air entering. Finally, the burned flue gas enters a waste heat boiler 4 (see fig. 1) through a flue gas outlet and a pipeline for waste heat recovery.

Referring to fig. 1, the temperature of the flue gas is reduced to 550 ℃ after the flue gas is cooled by the waste heat boiler 4, and then the flue gas enters the quenching tower 5 to be continuously cooled. Ash outlets are arranged on the secondary combustion chamber 3 and the waste heat boiler 4, and are used for discharging processed ash impurities. The flue gas treated by the quenching tower 5 enters a flue gas purification system through a pipeline for purification, so that the content of harmful gas is reduced, and the flue gas reaches the emission standard.

Exemplarily, the flue gas purification system comprises a bag-type dust collector and a washing tower, the flue gas treated by the quenching tower 5 is discharged and then sequentially passes through the bag-type dust collector and the washing tower, the cooled flue gas is treated again, and finally the flue gas is discharged from the flue gas purification system.

According to the solid waste and liquid waste co-processing device, the rotary kiln 1 and the waste liquid incinerator 2 are used for respectively processing solid waste and liquid waste, the problem that the solid waste and the liquid waste are processed by the rotary kiln together to easily generate fluctuation, the combustion condition is influenced is solved, and the risk of coking of the rotary kiln is reduced; meanwhile, the first flue gas and the second flue gas discharged from the rotary kiln 1 and the waste liquid incinerator 2 have higher temperature and are introduced into the second combustion chamber 3 for combustion, so that the afterburning amount of the second combustion chamber 3 is reduced, and the feasibility in technology and economy is realized; in addition, a plurality of air inlets are formed in the secondary combustion chamber 3, the high-temperature flue gas enters the secondary combustion chamber 3 to be combusted, and can be fully mixed and contacted with air, so that the high-temperature flue gas in the secondary combustion chamber 3 can be fully combusted, and the content of harmful gas is reduced.

Although the example embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the above-described example embodiments are merely illustrative and are not intended to limit the scope of the present application thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present application. All such changes and modifications are intended to be included within the scope of the present application as claimed in the appended claims.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another device, or some features may be omitted, or not executed.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it should be appreciated that in the description of exemplary embodiments of the present application, various features of the present application are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the application and aiding in the understanding of one or more of the various inventive aspects 7. However, the method of the present application should not be construed to reflect the intent: this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this application.

It will be understood by those skilled in the art that all of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where such features are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

Claims (10)

1. The device for the synergistic treatment of solid waste and liquid waste is characterized by comprising,

the rotary kiln is used for incinerating solid waste to generate first flue gas, wherein a first feed inlet for feeding the solid waste into the rotary kiln is formed in the rotary kiln, and a first flue gas outlet for discharging the first flue gas is formed in the rotary kiln;

the waste liquid incinerator is used for incinerating liquid waste to generate second flue gas, and a second feed inlet for feeding the liquid waste into the waste liquid incinerator and a second smoke outlet for discharging the second flue gas are formed in the waste liquid incinerator;

the second combustion chamber is communicated with the first smoke exhaust port and the second smoke exhaust port through pipelines respectively, and is used for receiving the first smoke and the second smoke and carrying out secondary combustion;

and the cooling equipment is connected with the secondary combustion chamber and is used for cooling the flue gas after secondary combustion.

2. The solid waste liquid waste synergistic treatment device according to claim 1, wherein the cooling equipment comprises a waste heat boiler, and the waste heat boiler is communicated with the secondary combustion chamber through a pipeline and is used for receiving flue gas discharged from the secondary combustion chamber and exchanging heat with the flue gas discharged from the secondary combustion chamber by using water.

3. The solid waste liquid waste co-processing device according to claim 2, wherein the cooling equipment further comprises a quenching tower, and the quenching tower is communicated with the waste heat boiler through a pipeline and is used for receiving the flue gas discharged from the waste heat boiler and cooling the flue gas.

4. The solid waste liquid waste co-processing device according to claim 1, wherein an atomizing injector is arranged in the waste liquid incinerator, and the atomizing injector is communicated with the second feeding hole and is used for atomizing the liquid waste and then injecting the liquid waste into the waste liquid incinerator for combustion.

5. The solid waste liquid waste co-processing device according to claim 1, wherein the moving direction of the first flue gas in the rotary kiln is opposite to the moving direction of the solid waste material.

6. The solid waste liquid and waste cooperative treatment device according to claim 1, wherein a drying zone, a pyrolysis zone and a burnout zone are sequentially arranged in the rotary kiln along the movement direction of the solid waste; wear-resistant castable is paved in the drying area, corrosion-resistant castable is paved in the pyrolysis area, and salt-resistant castable is paved in the burnout area.

7. The solid waste liquid waste cooperative treatment device according to claim 1, wherein the secondary combustion chamber comprises,

a fixed section;

the combustor is used for secondary combustion of flue gas, and a flue gas outlet is formed in the vertical section;

the horizontal section is used for communicating the fixed section with the vertical section; wherein the first smoke outlet of the rotary kiln is communicated with the fixed section through a pipeline, and the second smoke outlet of the waste liquid incinerator is communicated with the fixed section or the horizontal section through a pipeline.

8. The solid waste liquid waste co-processing device according to claim 7, wherein the fixing section comprises,

the first fixing section is communicated with the first smoke exhaust port through a pipeline, and a secondary air inlet is formed in the first fixing section;

and the second fixed section is used for connecting the horizontal section, a tertiary air inlet is formed in the second fixed section, and the second fixed section is positioned above the first fixed section.

9. The solid waste liquid waste co-processing device according to claim 7, wherein the horizontal section is provided with four air inlets.

10. The solid waste liquid waste co-processing device according to any one of claims 1 to 9, wherein the temperature of the first flue gas is lower than the temperature of the second flue gas; wherein the temperature of the first flue gas is 850-1000 ℃, and the temperature of the second flue gas is 1200-1500 ℃.

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