Sludge pyrolysis incinerator

Abstract

The utility model discloses a sludge pyrolysis incinerator, and relates to the technical field of solid waste treatment equipment. The sludge pyrolysis incinerator comprises a drying unit, a conveying unit and an incinerator body, the conveying unit and the incinerator body are connected to the lower portion of the drying unit, the incinerator body is connected to the left side of the conveying unit, the drying unit comprises a shell, a drying bin and a first motor, and a tail gas pipe is arranged at the top of the shell; the drying bin is inserted into the inner side of the shell; the output end of the first motor is connected with a first transmission rod. According to the sludge pyrolysis incinerator, the drying unit is arranged to be connected with the conveying unit and then connected with the incinerator, so that the pyrolysis step of the drying unit and the incineration step of the incinerator work cooperatively, gas produced by pyrolysis provides fuel for incineration, and energy consumption is reduced; and the drying unit is connected with the incinerator, high-temperature tail gas generated by the incinerator heats the drying bin through the heating bin, waste heat recovery can be conducted, and energy consumption is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid waste treatment equipment technical field, concretely is a sludge pyrolysis incinerator. BACKGROUND

[0002] The common treatment method of sludge is landfill or incineration, since the landfill needs to occupy a large amount of land, and can cause great pollution to the landfilled land, so the land resource waste is more serious, the incineration treatment is the current more thorough solution to sludge, and the sludge is dried after preliminary reasoning, so that the water content of the sludge is reduced, so as to reach the ignition point quickly and ignite smoothly.

[0003] At present, the sludge treatment usually adopts the incineration process, but the traditional incinerator has the following problems: the direct incineration has high energy consumption, and the high water content of the sludge leads to insufficient combustion; high-temperature incineration is easy to produce harmful substances such as dioxin; the flue gas treatment system is complex, the operation cost is high, the existing pyrolysis technology can reduce pollution, but the separate pyrolysis treatment has low efficiency and increases energy consumption.

[0004] When the water content of the sludge is high, the direct incineration leads to high energy consumption and insufficient combustion; insufficient combustion also easily leads to too high harmful substances contained in the exhaust gas emitted, which increases the difficulty of exhaust gas treatment; separate pyrolysis treatment causes low treatment efficiency and increases energy consumption. UTILITY MODEL CONTENT

[0005] In view of the defects of the prior art, the utility model provides a sludge pyrolysis incinerator, which solves the problems of high energy consumption and insufficient combustion caused by direct incineration when the water content of the sludge is high; insufficient combustion also easily leads to too high harmful substances contained in the exhaust gas emitted, which increases the difficulty of exhaust gas treatment; separate pyrolysis treatment causes low treatment efficiency and increases energy consumption.

[0006] In order to achieve the above purpose, the utility model realizes the following technical scheme: a sludge pyrolysis incinerator, which comprises a drying unit, a conveying unit and an incinerator, the conveying unit and the incinerator are connected below the drying unit, the incinerator is connected on the left side of the conveying unit, and the drying unit comprises:

[0007] An outer shell is provided with an exhaust pipe at the top;

[0008] A drying bin is inserted into the inner side of the outer shell;

[0009] A first motor is connected with a first transmission rod at the output end, and the first transmission rod is inserted into the inner side of the drying bin.

[0010] Preferably, a heating bin is arranged between the outer shell and the drying bin, and an air inlet is formed in the bottom of the outer shell.

[0011] Preferably, the top of the drying bin is provided with a feeding port, and the bottom of the drying bin is provided with a discharging port, and the feeding port and the discharging port are respectively located at two ends of the drying bin.

[0012] Preferably, the first transmission rod is connected with a first spiral conveying plate outside, and the first spiral conveying plate is located inside the drying bin.

[0013] Preferably, the conveying unit is provided with a conveying pipe and a second motor, one end of the conveying pipe is provided with a discharging pipe at the top, the discharging pipe is sleeved outside the discharging port, and the other end of the conveying pipe is provided with a positioning piece and a discharging port outside.

[0014] Preferably, the second motor is connected with a second transmission rod at the output end, the second transmission rod is inserted inside the conveying pipe and is connected with the positioning piece, the second transmission rod is connected with a second spiral conveying plate outside, and the second spiral conveying plate is located inside the conveying pipe.

[0015] Preferably, the incinerator is provided with a furnace body, the top of the furnace body is provided with a hot gas pipe, the hot gas pipe is sleeved outside the air inlet, the furnace body is provided with a connecting port, the connecting port is sleeved outside the conveying pipe, the inside of the furnace body is provided with an incineration frame, and the bottom of the furnace body is provided with a slag outlet.

[0016] The utility model discloses a sludge pyrolysis incinerator, which has the following beneficial effects: the drying unit is connected with the conveying unit, and the conveying unit is connected with the incinerator, so that the pyrolysis step of the drying unit and the incineration step of the incinerator work cooperatively, the pyrolysis gas provides fuel for incineration, and energy consumption is saved; and the drying unit is connected with the incinerator, the high-temperature tail gas generated by the incinerator is heated by the heating bin and the drying bin, waste heat can be recovered, and energy consumption is further saved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating laboriously.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole section structure schematic diagram of the utility model;

[0020] Figure 3 It is the section structure schematic diagram of the drying unit of the utility model;

[0021] Figure 4 It is a cross section structure schematic view of the conveying unit of the utility model;

[0022] Figure 5 It is a cross section structure schematic view of the incinerator of the utility model.

[0023] In the figure: 1, drying unit; 11, shell; 111, tail gas pipe; 112, heating bin; 113, air inlet; 12, drying bin; 121, feed inlet; 122, discharge port; 13, first motor; 131, first transmission rod; 132, first spiral conveying plate; 2, conveying unit; 21, conveying pipe; 211, discharging pipe; 212, positioning piece; 213, discharge port; 22, second motor; 221, second transmission rod; 222, second spiral conveying plate; 3, incinerator; 31, furnace body; 32, hot gas pipe; 33, connecting port; 34, incineration frame; 35, slag outlet. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] The sludge pyrolysis incinerator provided in the embodiments of the present application solves the problems of high energy consumption and insufficient combustion caused by direct incineration when the moisture content of sludge is high; insufficient combustion also easily leads to too high harmful substances contained in the exhaust gas discharged, thereby increasing the difficulty of exhaust gas treatment; separate pyrolysis treatment causes low treatment efficiency and increased energy consumption, thereby reducing energy consumption during sludge incineration treatment and improving the efficiency of incineration treatment.

[0026] The utility model discloses a sludge pyrolysis incinerator.

[0027] Embodiment one

[0028] According to the accompanying Figures 1-5 As shown, it comprises drying unit 1, conveying unit 2 and incinerator 3, conveying unit 2 and incinerator 3 are connected below drying unit 1, incinerator 3 is connected on the left side of conveying unit 2, and drying unit 1 comprises:

[0029] Shell 11, the top of shell 11 is provided with tail gas pipe 111;

[0030] Drying bin 12, drying bin 12 is inserted in the inner side of shell 11;

[0031] The first motor 13 is connected with a first transmission rod 131, and the first transmission rod 131 is inserted into the inside of the drying bin 12.

[0032] The drying unit 1 is connected with the conveying unit 2 and the incinerator 3, so that the pyrolysis step of the drying unit 1 and the incineration step of the incinerator 3 work cooperatively, the pyrolysis gas provides fuel for the incineration, and the energy consumption is saved; and the drying unit 1 is connected with the incinerator 3, the high-temperature tail gas generated by the incinerator 3 heats the drying bin 12 through the heating bin 112, the waste heat can be recovered, and the energy consumption is further saved.

[0033] Further, the heating bin 112 is arranged between the shell 11 and the drying bin 12, and the air inlet 113 is arranged at the bottom of the shell 11.

[0034] Further, the drying bin 12 is provided with the feeding port 121 at the top and the discharging port 122 at the bottom, and the feeding port 121 and the discharging port 122 are respectively located at two ends of the drying bin 12.

[0035] In particular, the first transmission rod 131 is connected with the first spiral conveying plate 132 outside, and the first spiral conveying plate 132 is located inside the drying bin 12.

[0036] In particular, the conveying unit 2 is provided with the feeding pipe 21 and the second motor 22, one end of the feeding pipe 21 is provided with the discharging pipe 211 at the top, the discharging pipe 211 is sleeved outside the discharging port 122, and the other end of the feeding pipe 21 is provided with the positioning piece 212 and the discharging port 213 outside.

[0037] Need to be emphasized, the second motor 22 is connected with the second transmission rod 221 at the output end, the second transmission rod 221 is inserted into the inside of the feeding pipe 21 and is inserted with the positioning piece 212, the second transmission rod 221 is connected with the second spiral conveying plate 222 outside, and the second spiral conveying plate 222 is located inside the feeding pipe 21.

[0038] Embodiment two

[0039] According to the drawings, Figures 1-5 As shown, the drying unit 1, the conveying unit 2 and the incinerator 3 are connected below the drying unit 1, the incinerator 3 is connected on the left side of the conveying unit 2, and the drying unit 1 comprises:

[0040] The shell 11 is provided with the tail gas pipe 111 at the top;

[0041] The drying bin 12 is inserted into the inside of the shell 11;

[0042] The first motor 13 is connected with the first transmission rod 131 at the output end, and the first transmission rod 131 is inserted into the inside of the drying bin 12.

[0043] It needs to be particularly emphasized that the incinerator 3 is provided with a furnace body 31, the top of the furnace body 31 is provided with a hot gas pipe 32, the hot gas pipe 32 is sleeved outside the air inlet 113, the furnace body 31 is provided with a connecting port 33 outside the material conveying pipe 21, and the furnace body 31 is provided with an incineration frame 34 inside, and the bottom of the furnace body 31 is provided with a slag outlet 35.

[0044] Working principle: the drying unit 1 is connected with the conveying unit 2 and then connected with the incinerator 3, so that the pyrolysis step of the drying unit 1 and the incineration step of the incinerator 3 work cooperatively, the pyrolysis gas provides fuel for incineration, energy consumption is saved; and the drying unit 1 is connected with the incinerator 3, the high-temperature tail gas generated by the incinerator 3 heats the drying bin 12 through the heating bin 112, waste heat can be recovered, and energy consumption is further saved.

[0045] The above shows and describes the basic principle and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A sludge pyrolysis incinerator, comprising a drying unit (1), a conveying unit (2), and an incinerator (3), wherein the conveying unit (2) and the incinerator (3) are connected below the drying unit (1), and the incinerator (3) is connected to the left side of the conveying unit (2), characterized in that, The drying unit (1) includes: The outer casing (11) has an exhaust pipe (111) on its top. Drying chamber (12), which is inserted into the inside of the outer shell (11); A first motor (13) is connected to a first transmission rod (131) at its output end. The first transmission rod (131) is inserted into the inside of the drying chamber (12).

2. The sludge pyrolysis incinerator according to claim 1, characterized in that, A heating chamber (112) is provided between the outer shell (11) and the drying chamber (12), and an air inlet (113) is provided at the bottom of the outer shell (11).

3. The sludge pyrolysis incinerator according to claim 1, characterized in that, The drying chamber (12) is provided with a feed inlet (121) at the top and a discharge outlet (122) at the bottom. The feed inlet (121) and the discharge outlet (122) are located at the two ends of the drying chamber (12), respectively.

4. The sludge pyrolysis incinerator according to claim 1, characterized in that, The first transmission rod (131) is connected to a first spiral conveyor plate (132) on the outside, and the first spiral conveyor plate (132) is located inside the drying chamber (12).

5. A sludge pyrolysis incinerator according to claim 1, characterized in that, The conveying unit (2) is provided with a conveying pipe (21) and a second motor (22). A discharge pipe (211) is provided at the top of one end of the conveying pipe (21), and the discharge pipe (211) is sleeved on the outside of the discharge port (122). A positioning element (212) and a discharge port (213) are provided on the outside of the other end of the conveying pipe (21).

6. A sludge pyrolysis incinerator according to claim 5, characterized in that, The output end of the second motor (22) is connected to a second transmission rod (221). The second transmission rod (221) is inserted into the inside of the conveying pipe (21) and is connected to the positioning member (212). The outside of the second transmission rod (221) is connected to a second spiral conveying plate (222). The second spiral conveying plate (222) is located inside the conveying pipe (21).

7. A sludge pyrolysis incinerator according to claim 1, characterized in that, The incinerator (3) is provided with a furnace body (31), a hot gas pipe (32) is provided on the top of the furnace body (31), the hot gas pipe (32) is sleeved on the outside of the air inlet (113), a connection port (33) is provided on the furnace body (31), the connection port (33) is sleeved on the outside of the material conveying pipe (21), a combustion rack (34) is provided on the inside of the furnace body (31), and a slag outlet (35) is provided at the bottom of the furnace body (31).

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