CN220056623U - Drying equipment for sludge treatment - Google Patents

Abstract

The utility model discloses drying equipment for sludge treatment, which comprises a rectangular drying box, wherein an electric heating unit is arranged at the vertical center line of the inside of the rectangular drying box; the convex seat is integrally formed on the outer walls of the two sides of the rectangular drying box, a rotating shaft is rotatably arranged in the convex seat, a mud storage barrel is fixed between the two parts in the vertical direction, and a feeding port for feeding is arranged at the top end of the mud storage barrel; the upper hollow frame is fixed at the top end of the rectangular drying box, and a belt wheel transmission unit for driving the two mud storage barrels to synchronously rotate is arranged in the upper hollow frame. According to the utility model, the contact surface of the sludge storage barrel and the electric heating unit is continuously changed, so that the contact uniformity of heat and sludge in the sludge storage barrel is improved, and the heat is more uniformly transferred to the surface of the sludge, thereby realizing a more uniform drying effect and reducing the drying speed difference of different parts.

Description

Drying equipment for sludge treatment

Technical Field

The utility model relates to the technical field of sludge drying treatment, in particular to drying equipment for sludge treatment.

Background

The drying process plays an important role in sludge treatment. It changes the wet sludge into solid state by evaporating water, thereby realizing the effects of volume reduction, weight reduction, heat value improvement and stabilization treatment. The principle of the drying treatment is that the moisture in the sludge is evaporated by utilizing heat energy, common method includes hot air drying and direct heat conduction drying, a drying equipment for pickling sludge treatment is disclosed as the authority publication number CN215365389U, the device comprises a base, one side of base top is fixedly provided with a mounting column, the top of mounting column is fixedly provided with a conveying pipeline, the top of base is fixedly provided with a water collecting tank and a drying box, the drying box is located one side of the water collecting tank, the inside movable mounting of the conveying pipeline is provided with a conveying rotating shaft, the conveying rotating shaft is provided with a spiral conveying blade, one end of the conveying rotating shaft extends to the outer side of the conveying pipeline, one side of the bottom of the conveying pipeline is provided with a guide pipeline and the like, in the technical scheme, a blower and a heating resistance wire are mainly controlled, so that the blower inputs air into the inside of the heating box after heating, the inside of the drying box is dried, the sludge inside the drying box is dried due to the fact that the sludge close to an air port is subjected to more hot air supply, the drying effect is faster, the drying effect is slower, the sludge drying effect is not uniform in the drying process, or the drying effect is limited, and the drying effect is not completely drying effect can be caused in the drying process.

Disclosure of Invention

The present utility model aims to provide a drying apparatus for sludge treatment to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a drying apparatus for sludge treatment, comprising:

the electric heating unit is arranged at the vertical central line of the inside of the rectangular drying box;

the convex seat is integrally formed on the outer walls of the two sides of the rectangular drying box, a rotating shaft is rotatably arranged in the convex seat, a mud storage barrel is fixed between the two parts in the vertical direction, and a feeding port for feeding is arranged at the top end of the mud storage barrel;

the upper hollow frame is fixed at the top end of the rectangular drying box, and a belt wheel transmission unit for driving the two mud storage barrels to synchronously rotate is arranged in the upper hollow frame;

the PLC control panel is arranged on one side of the surface of the rectangular drying box, and the output end of the PLC control panel is electrically connected with the input ends of the belt wheel transmission unit and the electric heating unit.

Preferably, the electric heating unit is a heat storage frame arranged on two sides of the top of the rectangular drying box, and electric heating pipes arranged at the top and the bottom of the heat storage frame, and the input end of each electric heating pipe is electrically connected with the output end of the PLC control panel.

Preferably, the heat storage frame is fixed with the arc cover on the outer wall of one side close to the mud storage barrel, the curvature of the arc cover is the same as the curvature of the mud storage barrel, and the surface of the arc cover is provided with a through hole.

Preferably, a discharge window is installed at one side of the bottom end of the mud storage barrel, and a one-way valve is installed at the bottom end of the mud storage barrel at one side of the discharge window.

Preferably, the belt wheel transmission unit is a motor arranged at one side of the top end of the upper hollow frame and a belt transmission structure arranged in the upper hollow frame, and the motor drives the two mud storage barrels to synchronously rotate through the belt transmission structure.

Preferably, the mud storage barrel is made of a stainless steel member.

Compared with the prior art, the utility model has the beneficial effects that: this a drying equipment for sludge treatment is through being provided with the structure of mutually supporting such as storing up mud bucket and rectangle stoving case, will treat the mud of stoving and empty into storing up the mud bucket through the feed inlet, electric heating unit heats near the inside central line of rectangle stoving case for the temperature of storing up mud bucket, rectangle stoving case rises, band pulley drive unit drives two and stores up mud bucket and revolves in step, thereby constantly change the contact surface of storing up mud bucket and electric heating unit, improve the contact degree of heat and storing up mud in the mud bucket, make the heat more evenly transmit the mud surface, thereby realize more even drying effect, reduce the drying rate difference in different positions, and through rotating storing up the mud bucket, help accelerating the migration and the evaporation of the inside moisture of mud, promote drying rate, improve drying efficiency.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is a schematic perspective view of the present utility model;

FIG. 4 is a schematic cross-sectional view of a rectangular oven-drying box according to the present utility model;

in the figure: 1. a rectangular drying box; 101. an arc-shaped cover; 102. a heat storage frame; 103. a through hole; 2. a PLC control panel; 3. a boss; 4. an upper hollow frame; 5. a motor; 6. a belt drive structure; 7. a rotating shaft; 8. a mud storage barrel; 801. a feed inlet; 802. a discharging window; 803. a one-way valve; 9. and (5) an electric heating tube.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the drying equipment for sludge treatment comprises a rectangular drying box 1, wherein an electric heating unit is arranged at the vertical center line of the interior of the rectangular drying box 1;

the convex seat 3 is integrally formed on the outer walls of the two sides of the rectangular drying box 1, the rotating shaft 7 is rotatably arranged in the convex seat 3, the mud storage barrel 8 is fixed between the two parts in the vertical direction, the mud storage barrel 8 is made of a stainless steel member, a feeding port 801 for feeding is arranged at the top end of the mud storage barrel 8, sludge to be dried is poured into the mud storage barrel 8 through the feeding port 801, the sludge is stored in the mud storage barrel 8, the electric heating unit heats the inside of the rectangular drying box 1 near the central line, the temperature of the mud storage barrel 8 and the rectangular drying box 1 is increased, and then the sludge inside the mud storage barrel 8 is dried;

the upper hollow frame 4 is fixed at the top end of the rectangular drying box 1, and a belt wheel transmission unit for driving the two mud storage barrels 8 to synchronously rotate is arranged in the upper hollow frame 4;

the PLC control panel 2 is arranged on one side of the surface of the rectangular drying box 1, the output end of the PLC control panel 2 is electrically connected with the belt wheel transmission unit and the input end of the electric heating unit, and the belt wheel transmission unit drives the two sludge storage barrels 8 to synchronously rotate, so that the contact surface between the sludge storage barrels 8 and the electric heating unit is continuously changed, sludge in the sludge storage barrels 8 is uniformly dried, and the contact uniformity of heat and the sludge in the sludge storage barrels 8 is improved;

a discharge window 802 is arranged on one side of the bottom end of the sludge storage barrel 8, a one-way valve 803 is arranged on the bottom end of the sludge storage barrel 8 on one side of the discharge window 802, and when the sludge is dried, workers smash the sludge from the discharge window 802 to discharge the sludge;

the belt wheel transmission unit is a motor 5 arranged at one side of the top end of the upper hollow frame 4 and a belt transmission structure 6 arranged in the upper hollow frame 4, and the motor 5 drives two mud storage barrels 8 to synchronously rotate through the belt transmission structure 6;

the motor 5 drives the two sludge storage barrels 8 to synchronously rotate through the belt transmission structure 6, the rotating shaft 7 supports the sludge storage barrels 8 in the process and stably rotates, and further the drying surfaces of the sludge storage barrels 8 and the sludge are continuously changed, heat is uniformly covered on the surface of the sludge, and evaporation of water is accelerated;

the electric heating unit is a heat storage frame 102 arranged on two sides of the top of the rectangular drying box 1, and electric heating pipes 9 arranged at the top and the bottom of the heat storage frame 102, the input end of each electric heating pipe 9 is electrically connected with the output end of the PLC control panel 2, an arc-shaped cover 101 is fixed on the outer wall of one side of the heat storage frame 102, which is close to the mud storage barrel 8, the curvature of the arc-shaped cover 101 is the same as that of the mud storage barrel 8, and through holes 103 are formed in the surface of the arc-shaped cover 101;

when the electric heating pipe 9 is started to work through the PLC control panel 2, heat of the electric heating pipe 9 is transferred to the sludge storage barrel 8 and the sludge in the sludge storage barrel through the heat storage frame 102 and the through holes 103, so that the heat is stably transferred to the sludge.

When the embodiment of the utility model is used, firstly, a worker dumps sludge to be dried into the sludge storage barrel 8 through the feed inlet 801, so that the sludge is stored in the sludge storage barrel 8, then, the worker starts the electric heating unit and the belt wheel transmission unit in the rectangular drying box 1 through the PLC control panel 2 to work, the electric heating unit heats near the central line in the rectangular drying box 1, so that the temperature of the sludge storage barrel 8 and the rectangular drying box 1 is increased, the sludge in the sludge storage barrel 8 is further dried, and in the process, the belt wheel transmission unit drives the two sludge storage barrels 8 to synchronously rotate, so that the contact surface between the sludge storage barrels 8 and the electric heating unit is continuously changed, the sludge in the sludge storage barrel 8 is uniformly dried, the contact uniformity of heat and the sludge in the sludge storage barrel 8 is improved, the heat is more uniformly transmitted to the surface of the sludge, the more uniform drying effect is realized, the difference of the drying speeds of different parts is reduced, the migration and evaporation of water in the sludge are facilitated, and the drying efficiency is improved by rotating the sludge storage barrels 8.

Claims (6)

1. A drying apparatus for sludge treatment, comprising:

the drying device comprises a rectangular drying box (1), wherein an electric heating unit is arranged at the vertical central line inside the rectangular drying box (1);

the rotary kiln comprises a convex seat (3), wherein the convex seat (3) is integrally formed on the outer walls of two sides of a rectangular drying box (1), a rotary shaft (7) is rotatably arranged in the convex seat (3), a mud storage barrel (8) is fixed between the two parts in the vertical direction, and a feed inlet (801) for feeding is arranged at the top end of the mud storage barrel (8);

the upper hollow frame (4), the upper hollow frame (4) is fixed at the top end of the rectangular drying box (1), and a belt wheel transmission unit for driving the two mud storage barrels (8) to synchronously rotate is arranged in the upper hollow frame (4);

the PLC control panel (2), one side on rectangle stoving case (1) surface is installed to PLC control panel (2), the output and the band pulley drive unit of PLC control panel (2), the input electric connection of electrical heating unit.

2. A drying apparatus for sludge treatment as claimed in claim 1, wherein: the electric heating unit is a heat storage frame (102) arranged on two sides of the top of the rectangular drying box (1), and an electric heating pipe (9) arranged at the top and the bottom of the heat storage frame (102), wherein the input end of the electric heating pipe (9) is electrically connected with the output end of the PLC control panel (2).

3. A drying apparatus for sludge treatment as claimed in claim 2, wherein: an arc cover (101) is fixed on the outer wall of one side of the heat storage frame (102) close to the mud storage barrel (8), the curvature of the arc cover (101) is the same as that of the mud storage barrel (8), and a through hole (103) is formed in the surface of the arc cover (101).

4. A drying apparatus for sludge treatment as claimed in claim 1, wherein: a discharge window (802) is arranged at one side of the bottom end of the mud storage barrel (8), and a one-way valve (803) is arranged at the bottom end of the mud storage barrel (8) at one side of the discharge window (802).

5. A drying apparatus for sludge treatment as claimed in claim 1, wherein: the belt wheel transmission unit is a motor (5) arranged at one side of the top end of the upper hollow frame (4), and a belt transmission structure (6) arranged in the upper hollow frame (4), and the motor (5) drives the two mud storage barrels (8) to synchronously rotate through the belt transmission structure (6).

6. A drying apparatus for sludge treatment as claimed in claim 1, wherein: the mud storage barrel (8) is made of a stainless steel member.