Treatment device for municipal sludge incineration in power plant

Abstract

The utility model discloses a treatment device for incinerating municipal sludge in a power plant, which relates to the technical field of incineration treatment in the power plant and comprises a drying bed body, a shielding cover is arranged right above the drying bed body, a feeding square pipe is arranged on one side of the shielding cover in a penetrating manner, and a purification mechanism is arranged on one side of the shielding cover. A purification mechanism is arranged in the drying bed body, the purification mechanism is used for carrying out purification treatment on water vapor generated after heating or discharged gas, so that residual evaporation gas in sludge is prevented from directly entering the surrounding atmosphere layer to cause environmental pollution, a material mixing mechanism is arranged in the drying bed body, and sludge discharge valves are symmetrically arranged at the bottom end of the drying bed body. In the mixing process, the two-way lead screw drives the mixing supporting plates arranged on the two sides to move, meanwhile, the face gear is used for meshing on the outer side of the straight-tooth rack on one side, the straight-tooth rack drives the face gear and the mixing blades to rotate, and the efficiency of the multiple sets of mixing blades in the sludge mixing process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of incineration disposal in power plants, in particular to a processor for incinerating urban sludge in power plants. Background Art

[0002] Urban sludge garbage can also be treated by this method, especially since urban sludge garbage contains a lot of domestic garbage. Compared with the filling method, incineration is more efficient. The domestic garbage in the sludge can be decomposed by high temperature. The sludge can be treated by incineration, which can effectively reduce the water content. Adding fuel can be used to cause and maintain combustion.

[0003] In the prior art, a sludge extrusion roller is arranged at the feed port to extrude the sludge, squeeze out the moisture in the sludge, and then heat and dry the sludge through a conveyor belt. In actual sludge treatment, the sludge after extrusion is layered and still contains a lot of moisture. The layered sludge is prone to uneven drying during the subsequent drying process. Summary of the invention

[0004] The purpose of the utility model is to provide a processor for incinerating urban sewage sludge in a power plant, so as to solve the above-mentioned defects caused by the prior art.

[0005] A processor for incinerating urban sludge in a power plant includes a drying bed, a shielding cover is arranged directly above the drying bed, a feeding square pipe is penetrated through one side of the shielding cover, a purification mechanism is arranged on one side of the shielding cover, the purification mechanism purifies the water vapor or exhaust gas generated after heating, thereby preventing the residual evaporation gas in the sludge from directly entering the surrounding atmosphere and causing environmental pollution, a mixing mechanism is arranged inside the drying bed, the mixing mechanism repeatedly mixes the sludge by left and right displacement, thereby accelerating the drying speed of the water in the sludge, and the bottom end of the drying bed is symmetrically provided with a mud discharge valve.

[0006] Preferably, the purification mechanism includes a shielding cover, an exhaust pipe, a purification box, an air filter and an air intake hole. One side of the shielding cover is provided with a side of the purification box. The top of the purification box is evenly spaced and connected with an exhaust pipe. One side of the purification box is evenly spaced and penetrated with air intake holes. The interior of the purification box is evenly spaced and provided with air filters.

[0007] Preferably, the purification box is connected to one side of the shielding cover through an air inlet hole that penetrates through one side.

[0008] Preferably, the mixing mechanism includes a motor, a mixing support plate, a bidirectional screw, a plane gear, mixing blades and a spur gear. The motor is installed on one side of the shielding cover, the output end of the motor is connected to the bidirectional screw, the outer side of the bidirectional screw is connected to two groups of mixing support plates, the top of the mixing support plate is symmetrically provided with plane gears, the bottom shaft of the plane gear is connected to the mixing blades, one side of the plane gear is meshed with a spur gear, and the spur gear is welded to the inner end of the shielding cover.

[0009] Preferably, the motor is connected to the mixing support plate via a bidirectional screw connected to the output end.

[0010] Preferably, the mixing support plate is connected to the mixing blades via a plane gear arranged at the top.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. During the mixing process, the mixing support plates set on both sides are displaced by the bidirectional screw. At the same time, the plane gear is engaged with the outer side of the spur gear on one side, and the spur gear drives the plane gear and the mixing blade to rotate, thereby improving the efficiency of multiple groups of mixing blades in mixing the sludge. During use, multiple groups of mixing blades are displaced laterally inside the drying bed, thereby accelerating the uniformity of sludge mixing and improving the efficiency of uniform heating of the flat sludge.

[0013] 2. When the sludge is dried, the gas is injected into the interior of the purification box through the air inlet holes set at equal intervals on one side, so that the exhaust gas enters the air purification device through the ventilation pipe, and the gas is dried and harmful substances are adsorbed by multiple groups of air filters set at equal intervals. The exhaust gas can be discharged only after it is purified to meet the emission standards, achieving the effect of deep treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the top-sectional structure of the drying bed in the utility model.

[0016] Figure 3 It is a schematic diagram of the side structure of the drying bed in the utility model.

[0017] Figure 4 It is a schematic diagram of the front section structure of the purification box in the utility model.

[0018] Figure 5 It is a schematic diagram of the side structure of the mixing support plate in the utility model.

[0019] in:

[0020] 1. Drying bed; 2. Shielding cover; 3. Motor; 4. Feed square tube; 5. Purification mechanism; 6. Exhaust pipe fittings; 7. Purification box; 8. Mixing mechanism; 9. Mixing support plate; 10. Bidirectional screw rod; 11. Planar gear; 12. Mixing blade; 13. Straight tooth bar; 14. Mud discharge valve; 15. Air filter element; 16. Air intake hole. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 5 As shown, a processor for incinerating urban sludge in a power plant includes a drying bed 1, a shielding cover 2 is arranged directly above the drying bed 1, a feeding square tube 4 is penetrated on one side of the shielding cover 2, a purification mechanism 5 is arranged on one side of the shielding cover 2, the purification mechanism 5 purifies the water vapor or exhaust gas generated after heating, thereby preventing the residual evaporation gas in the sludge from directly entering the surrounding atmosphere and causing environmental pollution, a mixing mechanism 8 is arranged inside the drying bed 1, the mixing mechanism 8 repeatedly mixes the sludge by shifting left and right, thereby accelerating the drying speed of the water in the sludge, and a mud discharge valve 14 is symmetrically provided at the bottom end of the drying bed 1.

[0023] In this embodiment, the purification mechanism 5 includes a shielding cover 2, an exhaust pipe 6, a purification box 7, an air filter 15 and an air intake hole 16. One side of the shielding cover 2 is provided with a side of the purification box 7. The top of the purification box 7 is evenly spaced through the exhaust pipe 6, and one side of the purification box 7 is evenly spaced through the air intake holes 16. The interior of the purification box 7 is evenly spaced with air filters 15, and the gas generated by heating is directly discharged through the air filter 15, and the gas is filtered.

[0024] In this embodiment, the purification box 7 is connected to one side of the shielding cover 2 through an air inlet hole 16 formed therethrough on one side, and the shielding cover 2 shields the top of the drying bed 1 to complete the heat preservation cycle of the sludge.

[0025] In this embodiment, the mixing mechanism 8 includes a motor 3, a mixing support plate 9, a bidirectional screw 10, a plane gear 11, a mixing blade 12 and a spur gear 13. The motor 3 is installed on one side of the shielding cover 2, and the output end of the motor 3 is connected to the bidirectional screw 10. The outer side of the bidirectional screw 10 is connected to two groups of mixing support plates 9. The top of the mixing support plate 9 is symmetrically provided with a plane gear 11, and the bottom end shaft of the plane gear 11 is connected to the mixing blade 12. One side of the plane gear 11 is meshed with a spur gear 13, and the spur gear 13 is welded to the inner end of the shielding cover 2. During the movement of the plane gear 11, the plane gear 11 is pushed by the spur gear 13 to drive the mixing blade 12 to rotate.

[0026] In this embodiment, the motor 3 is connected to the mixing support plate 9 via a bidirectional screw rod 10 connected to the output end, and the mixing support plate 9 is driven by the bidirectional screw rod 10 to adjust the spacing to meet the mixing range of the mixing blades 12 for adjustment.

[0027] In this embodiment, the mixing support plate 9 is connected to the mixing blade 12 via a flat gear 11 disposed at the top, the mixing blade 12 is positioned by the mixing support plate 9, and the mixing blade 12 is used to mix and break up the compacted sludge.

[0028] In actual application, this kind of processor for incinerating urban sewage sludge in power plants includes the following work contents:

[0029] Step 1: The operator injects the material into the drying bed 1 through the feeding square tube 4, and heats the inside of the drying bed 1 by opening the internal electric heating plate of the drying bed 1, and at the same time turns on the motor 3, and drives the bidirectional screw 10 to rotate by the motor 3, and drives the mixing support plate 9 to move laterally by the bidirectional screw 10, and at the same time uses the sleeve rod set through the mixing support plate 9 set on one side to control the movement range of the mixing blade 12;

[0030] Step 2: When the bidirectional screw 10 drives the mixing support plate 9 to move laterally, the flat gear 11 arranged at the top of the mixing support plate 9 is laterally meshed with the straight toothed bar 13 arranged at one side, so that the flat gear 11 drives the mixing blade 12 to rotate and stir, and the mixing blades 12 symmetrically arranged on both sides are used to mix and stir the outer side of the sludge, thereby accelerating the drying speed of the water in the sludge;

[0031] Step 3: During the heating process, the heated water vapor is directly introduced into the air inlet through hole 16, so that the water vapor generated by drying is injected into the purification box 7, and the air filter element 15 provided inside the purification box 7 is used to absorb and filter the moisture and harmful substances in the gas, and then the purified gas is discharged through the exhaust pipe 6 provided at the top;

[0032] Step 4: Use multiple groups of mixing blades 12 to stir the solidified sludge, thereby breaking up the sludge and accelerating the drying of the solidified and compacted sludge. Then open the sludge discharge valve 14 to discharge the dried sludge directly from the inside of the drying bed 1, and then open the shielding cover 2 to clean the inside of the drying bed 1.

[0033] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A processor for burning municipal sludge in power plants, characterized by: The invention comprises a drying bed (1), wherein a shielding cover (2) is arranged directly above the drying bed (1), a square feeding pipe (4) is penetrated through one side of the shielding cover (2), a purification mechanism (5) is arranged on one side of the shielding cover (2), and the purification mechanism (5) purifies the water vapor or the exhaust gas generated after heating, thereby preventing the residual evaporation gas in the sludge from directly entering the surrounding atmosphere and causing environmental pollution. A mixing mechanism (8) is arranged inside the drying bed (1), and the mixing mechanism (8) repeatedly mixes the sludge by displacement to the left and right, thereby accelerating the drying speed of the water in the sludge. A mud discharge valve (14) is symmetrically provided at the bottom end of the drying bed (1).

2. The processor for incinerating urban sewage sludge in a power plant according to claim 1, characterized in that: The purification mechanism (5) comprises a shielding cover (2), an exhaust pipe (6), a purification box (7), an air filter element (15) and an air intake hole (16); one side of the shielding cover (2) is provided with a side of the purification box (7); the top of the purification box (7) is connected to the exhaust pipe (6) at equal intervals; one side of the purification box (7) is provided with air intake holes (16) at equal intervals; and the interior of the purification box (7) is provided with air filter elements (15) at equal intervals.

3. The processor for incinerating urban sewage sludge in a power plant according to claim 2, characterized in that: The purification box (7) is connected to one side of the shielding cover (2) through an air intake hole (16) penetrating through one side.

4. The processor for incinerating urban sewage sludge in a power plant according to claim 1, characterized in that: The mixing mechanism (8) comprises a motor (3), a mixing support plate (9), a bidirectional screw (10), a plane gear (11), a mixing blade (12) and a straight toothed bar (13). The motor (3) is mounted on one side of the shielding cover (2). The output end of the motor (3) is connected to the bidirectional screw (10). The outer side of the bidirectional screw (10) is connected to two groups of mixing support plates (9). The top of the mixing support plate (9) is symmetrically provided with a plane gear (11). The bottom end shaft of the plane gear (11) is connected to the mixing blade (12). One side of the plane gear (11) is meshingly connected to a straight toothed bar (13). The straight toothed bar (13) is welded to the inner end of the shielding cover (2).

5. The processor for incinerating urban sewage sludge in a power plant according to claim 4, characterized in that: The motor (3) is connected to the mixing support plate (9) via a bidirectional screw rod (10) connected to the output end.

6. The processor for incinerating urban sewage sludge in a power plant according to claim 4, characterized in that: The mixing support plate (9) is connected to the mixing blade (12) via a plane gear (11) arranged at the top.

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