A device and method for directly mixing and burning sludge in a waste incinerator

Abstract

The application discloses a kind of direct mixing of garbage incinerator sludge and method, it is related to sludge mixing combustion technical field, comprising: mixing combustion box, two outer side walls of the mixing combustion box are equipped with mounting hole, two the heat exchange assembly of mounting hole is equipped with;Material box, the material box is arranged on mixing combustion box side wall;Connecting shaft, one end of the connecting shaft is rotatably arranged on the inner side wall of mixing combustion box, the other end of the connecting shaft is rotatably arranged on material box side wall.The application can drive connecting disc to rotate in the process of connecting shaft rotation, and then make rubber strip rotate inside material box, mix coal powder and sludge mixture in material box, so that material is in suspended state in material box, in the process of connecting shaft rotation, drive high-pressure oxygen production assembly to work, oxygen generated enters material box, airflow drives powder state material to enter mixing combustion box through feed pipe and material hole, ensure the fullness of combustion, and then ensure the treatment effect of sludge.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sludge mixed combustion, in particular to a garbage incinerator sludge direct mixing and combustion device and method. BACKGROUND

[0002] Sludge mixed combustion refers to mixing sludge generated in life and coal powder, and then burning the mixture to realize harmless treatment of sludge and realize energy recycling by using heat generated by combustion. In order to improve energy utilization efficiency, a garbage incinerator sludge direct mixing and combustion device is needed.

[0003] In the prior art, during the sludge mixed combustion process, the material is usually directly input into the mixed combustion equipment, which can cause the combustion efficiency to be reduced, thereby causing the sludge treatment effect to be reduced. At the same time, the oxygen supply purity of most sludge mixed combustion equipment is low, which can also cause insufficient mixed combustion. SUMMARY

[0004] The purpose of the present application is to provide a garbage incinerator sludge direct mixing and combustion device and method to solve the technical problems in the prior art.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A garbage incinerator sludge direct mixing and combustion device comprises:

[0007] A mixed combustion box, two outer side walls of the mixed combustion box are provided with mounting holes, and heat exchange assemblies are arranged in the two mounting holes;

[0008] A material box, the material box is arranged on the side wall of the mixed combustion box;

[0009] A connecting shaft, one end of the connecting shaft is rotatably arranged on the inner side wall of the mixed combustion box, and the other end of the connecting shaft is rotatably arranged on the side wall of the material box;

[0010] A connecting disc, the connecting disc is fixedly sleeved on the side wall of the connecting shaft, and the connecting disc is arranged in the material box;

[0011] A plurality of rubber strips, the plurality of rubber strips are arranged at equal distances on the side wall of the connecting disc;

[0012] A feeding pipe, the feeding pipe is arranged on the side wall of the material box, penetrates the inner side wall of the mixed combustion box, and a plurality of material holes are arranged at equal distances on the top of the feeding pipe;

[0013] A preheating assembly, the preheating assembly is arranged on the side wall of the mixed combustion box, and the heat exchange assembly and the preheating assembly are communicated;

[0014] A high-pressure oxygen production assembly, the high-pressure oxygen production assembly is arranged on the side wall of the mixed combustion box, the high-pressure oxygen production assembly and the connecting shaft form a transmission cooperation, and the high-pressure oxygen production assembly is communicated with the preheating assembly and the material box.

[0015] The further improvement of the present application is that the preheating assembly comprises:

[0016] The heat exchange box is arranged on the side wall of the mixed combustion box;

[0017] Two heat exchange seats are arranged on the top and bottom side walls of the heat exchange box respectively;

[0018] A plurality of square tubes are arranged, and the top end of each square tube is communicated with one of the heat exchange seats, and the bottom end of each square tube is communicated with the other heat exchange seat;

[0019] A gas conveying pipe is communicated with one of the heat exchange seats, and the gas conveying pipe is communicated with the mixed combustion box;

[0020] An exhaust pipe is communicated with the other heat exchange seat.

[0021] The further improvement of the present application is that the preheating assembly comprises:

[0022] A water injection pipe is arranged on the side wall of the heat exchange box;

[0023] A connecting pipe is arranged on the top of the heat exchange box, and the connecting pipe is connected with the heat exchange assembly.

[0024] The further improvement of the present application is that the heat exchange assembly comprises:

[0025] Two communication seats are arranged in the two mounting holes respectively;

[0026] A plurality of heat exchange pipes are arranged, and one end of each heat exchange pipe is communicated with one of the communication seats, and the other end of each heat exchange pipe is communicated with the other communication seat;

[0027] An outlet pipe is arranged on the side wall of one of the communication seats, and the other communication seat is communicated with the connecting pipe.

[0028] The further improvement of the present application is that the preheating assembly comprises:

[0029] An electric motor is arranged on the side wall of the material box, and the output shaft of the electric motor is fixed with the connecting shaft.

[0030] The further improvement of the present application is that the preheating assembly further comprises:

[0031] A coiled pipe is arranged in the heat exchange box;

[0032] A first communication pipe is arranged, and one end of the first communication pipe is communicated with the coiled pipe, and the other end of the first communication pipe is communicated with the material box.

[0033] The further improvement of the present application is that the high-pressure oxygen production assembly comprises:

[0034] A rotating shaft is arranged on the side wall of the mixed combustion box;

[0035] A pipe body is arranged at the end of the rotating shaft;

[0036] A piston plate is arranged on the inner side wall of the pipe body;

[0037] An L-shaped rod is arranged at the bottom of the piston plate;

[0038] A rotating disc is arranged on the side wall of the mixed combustion box, and the rotating disc and the connecting shaft are fixed, and the end of the L-shaped rod is arranged on the eccentric position of the side wall of the rotating disc.

[0039] The further improvement of the present application further comprises:

[0040] Two one-way valves are arranged on the top of the pipe body;

[0041] A gas supply pipe is in communication with one of the one-way valves;

[0042] A tank is arranged on the side wall of the mixed combustion box, and the gas supply pipe is in communication with the tank, and the tank is filled with molecular sieve.

[0043] The further improvement of the present application further comprises:

[0044] A second communication pipe is in communication with the serpentine pipe at one end, and in communication with the tank at the other end.

[0045] A direct mixing and mixed combustion method of sludge in a waste incinerator, which is based on a direct mixing and mixed combustion device of sludge in a waste incinerator, comprising:

[0046] First, the sludge and the coal powder are mixed to form a powder mixture, and then the material is loaded into the material box;

[0047] When the sludge mixed combustion work is carried out, the connecting shaft is rotated, and the connecting disc is rotated in the process of rotating the connecting shaft, and the rubber strip is rotated in the material box when the connecting disc is rotated, so that the powder material in the material box is in a suspended state;

[0048] The connecting shaft is rotated, and the high-pressure oxygen generating assembly is driven at the same time;

[0049] The high-pressure oxygen generating assembly outputs high-concentration oxygen;

[0050] The high-concentration oxygen is preheated by the preheating assembly and then enters the material box, and under the action of the airflow, the suspended material in the material box enters the mixed combustion box through the feeding pipe and the material hole to participate in combustion, thereby ensuring the combustion efficiency of the sludge and further ensuring the treatment effect of the sludge;

[0051] In the combustion process, the tail gas enters the preheating assembly to be heated, and the oxygen is heated at the same time, so that the heat is recovered.

[0052] Compared with the prior art, the present application has at least the following beneficial technical effects:

[0053] The sludge direct mixing and blending device and method for waste incinerator provided by the present application can realize the rotation of the connecting disc driven by the connecting shaft during use, and then make the rubber strip rotate inside the material box, so that the coal powder and sludge mixture in the material box is scattered, and the material is in a suspended state in the material box. During the rotation of the connecting shaft, the high-pressure oxygen generating assembly is driven to work, and the oxygen generated enters the material box. The airflow drives the powdered material to enter the blending box through the feeding pipe and the material hole, ensuring sufficient combustion and thus ensuring the treatment effect of the sludge. BRIEF DESCRIPTION OF DRAWINGS

[0054] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0055] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0056] Figure 2 is a schematic diagram of the heat exchange box and heat exchange seat structure of the present application;

[0057] Figure 3 is a schematic diagram of the cross-sectional structure of the heat exchange box of the present application;

[0058] Figure 4 is a schematic diagram of the cross-sectional structure of the heat exchange box of the present application;

[0059] Figure 5 is a schematic diagram of the cross-sectional structure of the blending box of the present application;

[0060] Figure 6 is a schematic diagram of the cross-sectional structure of the material box of the present application;

[0061] Figure 7 is a schematic diagram of the cross-sectional structure of the pipe body of the present application.

[0062] Explanation of reference signs:

[0063] 1, mixed burning box; 2, communication seat; 3, water outlet pipe; 4, material box; 5, motor; 6, heat exchange box; 7, gas conveying pipe; 8, heat exchange seat; 9, waste gas pipe; 10, connecting pipe; 11, pipe body; 12, rotating disc; 13, L-shaped rod; 14, square pipe; 15, serpentine pipe; 16, first communication pipe; 17, second communication pipe; 18, heat exchange pipe; 19, feeding pipe; 20, connecting shaft; 21, connecting disc; 22, rubber strip; 23, one-way valve; 24, rotating shaft; 25, gas supply pipe; 26, tank body; 27, water injection pipe; 28, piston plate. DETAILED DESCRIPTION

[0064] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature and not limiting.

[0065] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0066] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0067] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection, or communication; it can be directly connected, or indirectly connected through intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0068] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature is "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. The first feature is "under", "below" and "underneath" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.

[0069] It should be understood that the terms "comprise" and "comprising" as used in the specification and the appended claims indicate the presence of the described 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.

[0070] It should also be understood that the terms used in the present application specification are only for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the present application specification and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms unless the context clearly indicates otherwise.

[0071] It should be further understood that the term "and / or" as used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0072] Various structural diagrams according to the disclosed embodiments of the present application are shown in the accompanying drawings. These drawings are not drawn to scale, in which certain details are exaggerated for the purpose of clarity and certain details can be omitted. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are only exemplary, and in actuality can be deviated due to manufacturing tolerances or technical limitations, and regions / layers with different shapes, sizes and relative positions can be additionally designed by those skilled in the art according to actual needs.

[0073] The embodiments of the present application are described in detail below in conjunction with the accompanying drawings.

[0074] Embodiment 1

[0075] As Figures 1 to 7 shown, the device provided by the present embodiment for directly mixing and burning sludge in a waste incinerator comprises:

[0076] The mixing and burning box 1 has mounting holes formed in both outer side walls, and heat exchange assemblies are arranged in the two mounting holes.

[0077] A material box 4 is arranged on the side wall of the blending box 1.

[0078] A connecting shaft 20 is rotatably arranged on the inner side wall of the blending box 1 at one end, and rotatably arranged on the side wall of the material box 4 at the other end.

[0079] A connecting disc 21 is fixedly sleeved on the side wall of the connecting shaft 20, and the connecting disc 21 is located in the material box 4.

[0080] A plurality of rubber strips 22 are arranged at equal intervals on the side wall of the connecting disc 21.

[0081] A feeding pipe 19 is arranged on the side wall of the material box 4, and penetrates the inner side wall of the blending box 1, and a plurality of material holes are arranged at equal intervals on the top of the feeding pipe 19.

[0082] A preheating assembly is arranged on the side wall of the blending box 1, and the heat exchange assembly and the preheating assembly are communicated.

[0083] A high-pressure oxygen production assembly is arranged on the side wall of the blending box 1, and the high-pressure oxygen production assembly and the connecting shaft 20 form a transmission cooperation, and the high-pressure oxygen production assembly is communicated with the preheating assembly and the material box 4.

[0084] The connecting shaft 20 drives the connecting disc 21 to rotate in the process of rotation, and the connecting disc 21 drives the rubber strips 22 to rotate in the material box 4 when rotating, so that the powder material in the material box 4 is in a suspended state.

[0085] When the high-pressure oxygen production assembly works, gas is injected into the material box 4, and under the action of the gas flow, the powder material enters the blending box 1 through the feeding pipe 19 and the material holes, thereby ensuring the combustion effect of the sludge.

[0086] Further, the preheating assembly comprises:

[0087] A heat exchange box 6 is arranged on the side wall of the blending box 1.

[0088] Two heat exchange seats 8 are arranged through the top and bottom side walls of the heat exchange box 6, respectively.

[0089] A plurality of square tubes 14 are arranged, and the top end of each square tube 14 is communicated with one of the heat exchange seats 8, and the bottom end of each square tube 14 is communicated with the other heat exchange seat 8.

[0090] A gas conveying pipe 7 is communicated with one of the heat exchange seats 8, and the gas conveying pipe 7 is communicated with the blending box 1.

[0091] A waste gas pipe 9 is communicated with the other heat exchange seat 8.

[0092] Further comprising:

[0093] The water injection pipe 27 is arranged through the side wall of the heat exchange box 6.

[0094] The connecting pipe 10 is arranged through the top of the heat exchange box 6, and the connecting pipe 10 is connected with the heat exchange assembly.

[0095] Further, the heat exchange assembly comprises:

[0096] The two communication seats 2 are arranged in the two mounting holes respectively.

[0097] The plurality of heat exchange pipes 18 are communicated with one of the communication seats 2 at one end, and communicated with the other communication seat 2 at the other end.

[0098] The water outlet pipe 3 is arranged through the side wall of one of the communication seats 2, and the other communication seat 2 is communicated with the connecting pipe 10.

[0099] During the combustion process, the exhaust gas enters the heat exchange seat 8 through the gas conveying pipe 7, and then heats the water in the heat exchange box 6 through the square pipe 14 on the heat exchange seat 8, and also heats the oxygen inside the serpentine pipe 15. With the continuous injection of water, the water enters the communication seat 2 through the connecting pipe 10, is heated again through the heat exchange pipe 18 in the mixing box 1, and is finally output through the water outlet pipe 3 on the other communication seat 2, realizing the recovery of heat.

[0100] Further comprising:

[0101] The motor 5 is arranged on the side wall of the material box 4, and the output shaft of the motor 5 is fixed with the connecting shaft 20.

[0102] Further, the preheating assembly further comprises:

[0103] The serpentine pipe 15 is arranged in the heat exchange box 6.

[0104] The first communication pipe 16 is communicated with the serpentine pipe 15 at one end, and communicated with the material box 4 at the other end.

[0105] Further, the high-pressure oxygen production assembly comprises:

[0106] The rotating shaft 24 is rotatably arranged on the side wall of the mixing box 1.

[0107] The pipe body 11 is arranged at the end of the rotating shaft 24.

[0108] The piston plate 28 is slidably arranged on the inner side wall of the pipe body 11.

[0109] The L-shaped rod 13 is arranged at the bottom of the piston plate 28.

[0110] Turntable 12 is rotatably mounted on the side wall of the blending box 1, and turntable 12 and connecting shaft 20 are fixed. The end of L-shaped rod 13 is rotatably mounted at the eccentric position on the side wall of turntable 12.

[0111] Furthermore, it also includes:

[0112] Two one-way valves 23 are both installed through the top of the pipe body 11;

[0113] Air supply pipe 25, which is connected to one of the one-way valves 23;

[0114] Tank 26 is located on the side wall of the co-firing box 1, and the gas supply pipe 25 is connected to the tank 26. The tank 26 is filled with molecular sieve.

[0115] The second connecting pipe 17 has one end connected to the serpentine pipe 15 and the other end connected to the tank body 26.

[0116] During the rotation of the connecting shaft 20, the turntable 12 is also driven to rotate. Since the L-shaped rod 13 is connected to the turntable 12 at the eccentric point, the piston plate 28 is driven to move up and down through the L-shaped rod 13 during the rotation of the turntable 12. During this process, the tube body 11 can be rotated through the action of the rotating shaft 24, thereby ensuring that the piston plate 28 can move up and down normally inside the tube body 11.

[0117] As the piston plate 28 descends, external gas enters the pipe 11 through one of the one-way valves 23. As the piston plate 28 rises, it feeds the gas in the pipe 11 into the tank 26 through another one-way valve 23 and the gas supply pipe 25. After passing through the molecular sieve in the tank 26, nitrogen is adsorbed, thus achieving the output of high-concentration oxygen through the second connecting pipe 17.

[0118] Example 2

[0119] like Figures 1 to 7 As shown in the figure, this embodiment provides a method for direct mixing and co-firing of sludge from a waste incinerator, comprising:

[0120] First, the sludge and coal powder are mixed to form a powdery mixture, and then the material is loaded into material box 4.

[0121] When the sludge co-firing is carried out, the connecting shaft 20 rotates, and the connecting shaft 20 rotates, which drives the connecting disc 21 to rotate. When the connecting disc 21 rotates, it drives the rubber strip 22 to rotate in the material box 4, so that the powder material in the material box 4 is in a suspended state.

[0122] During the rotation of connecting shaft 20, the high-pressure oxygen assembly is simultaneously driven to rotate;

[0123] The high-pressure oxygen unit outputs a high concentration of oxygen;

[0124] High-concentration oxygen is preheated by the preheating component and then enters the material box 4. Under the action of airflow, the suspended material in the material box 4 enters the co-firing box 1 through the feeding pipe 19 and the material hole to participate in combustion, which ensures the combustion efficiency of sludge and thus ensures the treatment effect of sludge.

[0125] During combustion, the exhaust gas enters the preheating component and is heated, which in turn heats the oxygen, thus achieving heat recovery.

[0126] Example 3

[0127] like Figures 1 to 7 As shown in the figure, this embodiment provides a method for direct mixing and co-firing of sludge from a waste incinerator, comprising:

[0128] When in use, first mix the sludge and coal powder to form a powdery mixture, then load the material into the material box 4, then connect the water injection pipe 27 to the water supply equipment, connect the water outlet pipe 3 to the hot water storage equipment, and finally connect the exhaust gas pipe 9 to the tail gas treatment equipment.

[0129] When performing sludge co-firing, the switch of motor 5 is turned on. When motor 5 is working, it drives the connecting shaft 20 to rotate. During the rotation of the connecting shaft 20, it drives the connecting disc 21 to rotate. When the connecting disc 21 rotates, it drives the rubber strip 22 to rotate in the material box 4, so that the powder material in the material box 4 is in a suspended state.

[0130] During the rotation of the connecting shaft 20, the turntable 12 is also driven to rotate. Since the L-shaped rod 13 is connected to the turntable 12 at the eccentric point, the piston plate 28 is driven to move up and down through the L-shaped rod 13 during the rotation of the turntable 12. During this process, the tube body 11 can be rotated through the action of the rotating shaft 24, thereby ensuring that the piston plate 28 can move up and down normally inside the tube body 11.

[0131] During the descent of piston plate 28, external gas enters pipe body 11 through one of the one-way valves 23. During the ascent of piston plate 28, piston plate 28 inputs gas in pipe body 11 into tank body 26 through another one-way valve 23 and gas supply pipe 25. After passing through molecular sieve in tank body 26, nitrogen is adsorbed, thus achieving the output of high-concentration oxygen through second connecting pipe 17.

[0132] The high concentration oxygen enters the serpentine pipe 15 through the second communicating pipe 17, is preheated in the heat exchange box 6, and then enters the material box 4 through the first communicating pipe 16; under the action of the gas flow, the suspended material in the material box 4 enters the blending combustion box 1 through the feeding pipe 19 and the material hole, participates in combustion, ensures the combustion efficiency of the sludge, and further ensures the treatment effect of the sludge;

[0133] In the combustion process, the tail gas enters the heat exchange seat 8 through the gas conveying pipe 7, and then heats the water in the heat exchange box 6 through the square pipe 14 on the heat exchange seat 8, and simultaneously heats the oxygen inside the serpentine pipe 15; with the continuous injection of water, the water enters the communicating seat 2 through the connecting pipe 10, is heated again through the heat exchange pipe 18 inside the blending combustion box 1, and is finally output through the water outlet pipe 3 on the other communicating seat 2, so that the heat is recovered.

[0134] The above shows and describes the basic principles and main features of the present application and the advantages of the present application, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0135] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand. The above is only for illustrating the technical idea of the present application, and cannot limit the protection scope of the present application, and any modification made according to the technical idea of the present application on the basis of the technical solution falls within the protection scope of the claims of the present application.

Claims

1. A device for directly mixing and combusting sludge in a waste incinerator, characterized in that, The utility model relates to a high-pressure oxygen production device for a mixed combustion box, which comprises a mixed combustion box (1) having two installation holes in the outer side walls, a heat exchange assembly arranged in each installation hole, a material box (4) arranged on the side wall of the mixed combustion box (1), a connecting shaft (20) rotatably arranged at one end on the inner side wall of the mixed combustion box (1) and at the other end on the side wall of the material box (4), a connecting disc (21) fixedly sleeved on the side wall of the connecting shaft (20) and arranged in the material box (4), a plurality of rubber strips (22) equidistantly arranged on the side wall of the connecting disc (21), a feeding pipe (19) arranged on the side wall of the material box (4) and penetrating through the inner side wall of the mixed combustion box (1), the feeding pipe (19) having a plurality of equidistantly distributed material holes in the top portion, a preheating assembly arranged on the side wall of the mixed combustion box (1) and communicating with the heat exchange assembly, a high-pressure oxygen production assembly arranged on the side wall of the mixed combustion box (1) and in transmission cooperation with the connecting shaft (20), the high-pressure oxygen production assembly communicating with the preheating assembly and the material box (4). The preheating assembly comprises a heat exchange box (6) arranged on the side wall of the mixed combustion box (1), two heat exchange seats (8) penetrating through the top and bottom side walls of the heat exchange box (6), a plurality of square tubes (14), each square tube (14) having a top end communicating with one of the heat exchange seats (8) and a bottom end communicating with the other heat exchange seat (8), a gas conveying pipe (7) communicating with one of the heat exchange seats (8) and the mixed combustion box (1), and a waste gas pipe (9) communicating with the other heat exchange seat (8). The utility model further comprises a water injection pipe (27) penetrating through the side wall of the heat exchange box (6) and a connecting pipe (10) penetrating through the top of the heat exchange box (6) and connected with the heat exchange assembly. The heat exchange assembly comprises two communication seats (2) arranged in the two installation holes, a plurality of heat exchange pipes (18), each heat exchange pipe (18) having one end communicating with one of the communication seats (2) and the other end communicating with the other communication seat (2), and a water outlet pipe (3) penetrating through the side wall of one of the communication seats (2) and the other communication seat (2) communicating with the connecting pipe (10). The utility model further comprises a motor (5) arranged on the side wall of the material box (4) and having an output shaft fixedly connected with the connecting shaft (20). The preheating assembly further comprises a coiled pipe (15) arranged in the heat exchange box (6) and a first communication pipe (16) having one end communicating with the coiled pipe (15) and the other end communicating with the material box (4). The high-pressure oxygen production assembly comprises a rotating shaft (24) rotatably arranged on the side wall of the mixed combustion box (1). ​ ​ 2. The device according to claim 1, characterized in that, ​ ​ ​ ​ ​ ​ 3. The device according to claim 2, characterized in that, ​ ​ ​ 4. The device according to claim 3, characterized in that, ​ ​ ​ ​ 5. The apparatus according to claim 1, wherein the apparatus is characterized by: ​ ​ 6. The device according to claim 5, characterized in that, ​ ​ ​ 7. The apparatus according to claim 6, wherein the apparatus is characterized by: ​ ​ The pipe body (11) is arranged at the end of the rotating shaft (24); The piston plate (28) is arranged on the inner wall of the pipe body (11); The L-shaped rod (13) is arranged at the bottom of the piston plate (28); The rotating disc (12) is arranged on the side wall of the blending box (1), and the rotating disc (12) is fixed with the connecting shaft (20), and the end of the L-shaped rod (13) is arranged on the eccentric position of the side wall of the rotating disc (12).

8. The device according to claim 7, characterized in that, Further comprising: Two one-way valves (23) are arranged on the top of the pipe body (11); The gas supply pipe (25) is communicated with one of the one-way valves (23); The tank (26) is arranged on the side wall of the blending box (1), and the gas supply pipe (25) is communicated with the tank (26), and the tank (26) is filled with molecular sieve.

9. The apparatus according to claim 7, wherein the apparatus is characterized by: Further comprising: The second communication pipe (17) is communicated with the serpentine pipe (15) at one end, and communicated with the tank (26) at the other end.

10. A method for directly mixing and burning sludge in a waste incinerator, characterized by, The method is based on the direct mixing and blending device for sludge of the waste incinerator according to any one of claims 1-9, comprising: First, mix the sludge and coal powder to form a powder mixture, and then load the material into the material box (4); When the sludge blending work is performed, the connecting shaft (20) is rotated, and the connecting disc (21) is rotated during the rotation of the connecting shaft (20), and the rubber strip (22) is rotated in the material box (4) during the rotation of the connecting disc (21), so that the powder material in the material box (4) is in a suspended state; During the rotation of the connecting shaft 20, the high-pressure oxygen generating assembly is also driven to rotate; The high-pressure oxygen generating assembly outputs high-concentration oxygen; The high-concentration oxygen is preheated by the preheating assembly and then enters the material box (4), under the action of the airflow, the suspended material in the material box (4) enters the blending box (1) through the feeding pipe (19) and the material hole to participate in the combustion, which ensures the combustion efficiency of the sludge and further ensures the treatment effect of the sludge; During the combustion process, the tail gas enters the preheating assembly to be heated, and the oxygen is also heated, realizing the recovery of heat.

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