CN220098849U - Circulating sludge drying device - Google Patents

Abstract

The utility model discloses a circulating sludge drying device which is provided with a sludge drying box body, a sludge inlet to be dried, a dried sludge outlet, a high-temperature steam inlet, a steam outlet and four groups of sludge drying units which are arranged from top to bottom, wherein the four groups of sludge drying units are positioned in the sludge drying box body in a vertically stacked mode, the high-temperature steam inlet and the steam outlet are respectively positioned at the bottom and the top of the sludge drying box body, and the dried sludge outlet corresponds to the right side end of a fourth group of sludge drying units. The device forms a vertically stacked structure, namely, sludge can be fully dried through paths of 4 groups of sludge drying units and finally sent out through dried sludge outlets, when each group of sludge drying units are dried, spiral augers slowly push the sludge, so that the quality and the speed of drying can be improved, and the device is based on the vertically stacked structure, so that high-temperature steam can be fully contacted and reasonably utilized.

Description

Circulating sludge drying device

Technical Field

The utility model relates to the field of sludge drying, in particular to a circulating sludge drying device.

Background

At present, people can form some sludge in daily life and production process, and the sludge can be accumulated in a river channel through rainwater, and can influence the river channel if the sludge is not cleared timely. When the sludge is cleaned up, it is dried, i.e. dried, and the treated sludge has other uses. The prior sludge drying device is a five-flower eight door, such as a drying device of patent number 202011151862.6 found by the applicant through searching, wherein the drying box comprises an upper layer drying box and a lower layer drying box, the upper layer drying box is transversely divided into a first sludge drying box and a coal dust drying box, the lower layer drying box is divided into a heat exchange box and a second sludge drying box, the heat exchange box is positioned below the first sludge drying box, and the second sludge drying box is respectively opposite to the first sludge drying box and the coal dust drying box; a heating pipe is arranged in the second sludge drying box, a paddle stirring shaft is arranged in the first sludge drying box, a replacement heat pipe is arranged in the pulverized coal drying box, and an opening is arranged at the top of the first sludge drying box and communicated with an inlet of the heat exchange pipe; the outlet of the heat exchange tube is connected with the heat exchange box, and the hot air outlet of the heat exchange box is communicated with the heating tube; the bottom of the first sludge drying box is provided with a discharge hole which is communicated with the second sludge drying box. Through the improvement of the device structure, the heat value of the hot steam generated by the sludge is fully utilized to carry out secondary drying on the sludge, so that the drying effect of the sludge is improved. For this type of sludge drying apparatus, it is carried out in a drying oven, but it has disadvantages in that, on the one hand, its composition is complicated, the number of components involved therein is large, on the other hand, it is horizontally placed at the time of implementation, the horizontal space required is large, and no reasonable utilization is made in the vertical space. At the same time, no sludge drying scheme for multi-layer drying based on vertical space is found through searching.

Disclosure of Invention

Accordingly, in order to solve the above-described drawbacks, the present utility model provides a circulating sludge drying apparatus. The structure of stacking up and down is vertically formed, namely, sludge can be fully dried through paths of 4 groups of sludge drying units and finally sent out through dried sludge outlets, when each group of sludge drying units are dried, spiral augers slowly push the sludge, so that the quality and the speed of drying can be improved, and the structure of stacking up and down is vertically formed, so that high-temperature steam can be fully contacted and reasonably utilized.

The utility model is realized in such a way that a circulating sludge drying device is constructed, which is characterized in that; the device is provided with a sludge drying box body, a sludge inlet to be dried, a dried sludge outlet, a high-temperature steam inlet, a steam outlet and four groups of sludge drying units which are distributed from top to bottom, wherein the four groups of sludge drying units are positioned inside the sludge drying box body in a mode of being stacked up and down, the first group of sludge drying units correspond to the top of an inner cavity of the sludge drying box body and are close to the sludge inlet to be dried, the second group of sludge drying units correspond to the lower part of the first group of sludge drying units, the third group of sludge drying units correspond to the lower part of the second group of sludge drying units, the fourth group of sludge drying units correspond to the lower part of the third group of sludge drying units and are close to the bottom of the inner cavity of the sludge drying box body, the high-temperature steam inlet and the steam outlet are respectively positioned at the bottom and the top of the sludge drying box body, and the dried sludge outlet corresponds to the right side end of the fourth group of sludge drying units.

The circulating sludge drying device is characterized in that; the four groups of sludge drying units are respectively provided with a drying groove with fine through holes distributed on the periphery and made of stainless steel, and a sludge spiral auger driven by a motor, wherein the sludge spiral auger is integrally positioned in the drying groove, the drying grooves of the first group of sludge drying units, the second group of sludge drying units and the third group of sludge drying units drive sludge output ports, and the sludge output ports are positioned below the end parts of the corresponding drying grooves and correspond to sludge inlets of the next group of sludge drying units.

The circulating sludge drying device is characterized in that; the sludge inlet 2 to be dried is provided with a sludge input conveying net belt.

The circulating sludge drying device is characterized in that; the bottom of the sludge drying box body is provided with a plurality of groups of stainless steel supporting feet through bolts, so that the sludge drying box body is integrally supported at 0.5-1.0 meter away from the ground.

The circulating sludge drying device is characterized in that; the device also comprises a control unit which is respectively connected with the motors of the four groups of sludge drying units and controls the four groups of motors.

The utility model has the following advantages: when the device is implemented, the high-temperature steam inlet and external high-temperature steam are connected, the steam outlet can be selectively opened and closed according to specific conditions, sludge to be dried is conveyed into a dried sludge inlet through a sludge conveying mesh belt and firstly enters a drying groove corresponding to a first group of sludge drying units, then a corresponding sludge spiral auger is driven by a motor corresponding to the first group of sludge drying units to slowly rotate, sludge is slowly pushed in the drying groove, the sludge treated by the device is sludge with lower water content (the sludge which is not just sucked from a river channel but is temporarily stored or primarily dehydrated), the drying groove can be replaced by a metal mesh cover, and small through holes are distributed around the drying groove, so that the pore size of the through holes is proper, the sludge is ensured not to block the pore size, and the sludge can not leak from the pore size; the external high-temperature steam is introduced into the sludge drying box body through a high-temperature steam inlet at the bottom and is discharged through a steam outlet at the top, and the high-temperature steam can form circulation after heat exchange at the outside; the sludge drying box body is internally provided with 4 groups or more groups of sludge drying units, a vertically stacked structure is formed, namely, sludge can be fully dried through paths of the 4 groups of sludge drying units and finally sent out through dried sludge outlets, when each group of sludge drying units are dried, spiral augers slowly push the sludge drying units, so that the quality and the speed of drying can be improved, and the vertically stacked structure is formed, so that high-temperature steam can be fully contacted and reasonably utilized.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a sludge drying unit according to the present utility model.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of embodiments of the present utility model, with reference to fig. 1-2, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. 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.

The utility model provides a circulating sludge drying device by improvement, and as shown in the figure, the circulating sludge drying device can be implemented in the following manner; the device is provided with a sludge drying box body 1, a sludge inlet 2 to be dried, a dried sludge outlet 3, a high-temperature steam inlet 4, a steam outlet 5 and four groups of sludge drying units which are arranged from top to bottom, wherein the four groups of sludge drying units are positioned inside the sludge drying box body 1 in a mode of being stacked up and down, a first group of sludge drying units 6 corresponds to the top of an inner cavity of the sludge drying box body 1 and is close to the sludge inlet 2 to be dried, a second group of sludge drying units 7 corresponds to the lower part of the first group of sludge drying units 6, a third group of sludge drying units 8 corresponds to the lower part of the second group of sludge drying units 7, a fourth group of sludge drying units 9 corresponds to the lower part of the inner cavity of the third group of sludge drying units 8 and is close to the bottom of the inner cavity of the sludge drying box body 1, the high-temperature steam inlet 4 and the steam outlet 5 are positioned at the bottom and the top of the sludge drying box body 1 respectively, and the dried sludge outlet 3 corresponds to the right side end of the fourth group of sludge drying units 9.

As in fig. 1 and 2; the four groups of sludge drying units are respectively provided with a drying groove 11 with fine through holes 10 distributed around and made of stainless steel, and a sludge spiral auger 13 driven by a motor 12, wherein the sludge spiral auger 13 is integrally positioned in the drying groove 11, the drying grooves 11 of the first group of sludge drying units 6, the second group of sludge drying units 7 and the third group of sludge drying units 8 drive a sludge output port 14, and the sludge output port 14 is positioned below the end part of the corresponding drying groove 11 and corresponds to the sludge inlet of the next group of sludge drying units.

As shown in fig. 1, a sludge input conveyor belt 15 is arranged at the sludge inlet 2 to be dried.

As shown in fig. 1, a plurality of groups of stainless steel support legs 16 are arranged at the bottom of the sludge drying box body 1 through bolts, so that the sludge drying box body 1 is integrally supported at 0.5-1.0 m away from the ground.

The utility model is implemented; the apparatus further comprises a control unit (not shown) which is connected to the motors 12 of the four sets of sludge drying units, respectively, and which controls the four sets of motors 12 simultaneously, e.g. controls the four sets of motors 12 to operate at the same rotational speed and in the same manner.

In summary, when the device is implemented, the high-temperature steam inlet 4 is connected with external high-temperature steam, the steam outlet 5 can be selectively opened and closed according to specific conditions, sludge to be dried is fed into the dried sludge inlet 2 through the sludge input conveying mesh belt 15 and firstly enters the drying groove 11 corresponding to the first group of sludge drying units 6, then the corresponding sludge spiral auger 13 is driven by the motor 12 corresponding to the first group of sludge drying units 6 to slowly rotate, the sludge is slowly pushed in the drying groove 11, the sludge treated by the device is the sludge with lower water content (the sludge which is not just sucked from a river channel but is temporarily stored or primarily dehydrated), the drying groove 11 can be replaced by a metal mesh cover, and the periphery of the sludge is fully provided with the fine through holes 10, so that the pore diameter is proper, the sludge is ensured not to be blocked, and the sludge cannot leak from the pore diameter; the external high-temperature steam is introduced into the sludge drying box body 1 through the high-temperature steam inlet 4 at the bottom and is discharged through the steam outlet 5 at the top, and the high-temperature steam can form circulation after heat exchange at the outside; the sludge drying box body 1 is internally provided with 4 groups of sludge drying units or more groups of sludge drying units, a vertically stacked structure is formed, namely, sludge can be fully dried through paths of the 4 groups of sludge drying units and finally sent out through the dried sludge outlet 3, when each group of sludge drying units are dried, the spiral auger 13 is slowly pushed, so that the quality and the speed of drying can be improved, and the vertically stacked structure is based on the vertically stacked structure, so that high-temperature steam can be fully contacted and reasonably utilized.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. A circulating sludge drying device, which is characterized in that; the device is provided with a sludge drying box body, a sludge inlet to be dried, a dried sludge outlet, a high-temperature steam inlet, a steam outlet and four groups of sludge drying units which are distributed from top to bottom, wherein the four groups of sludge drying units are positioned inside the sludge drying box body in a mode of being stacked up and down, the first group of sludge drying units correspond to the top of an inner cavity of the sludge drying box body and are close to the sludge inlet to be dried, the second group of sludge drying units correspond to the lower part of the first group of sludge drying units, the third group of sludge drying units correspond to the lower part of the second group of sludge drying units, the fourth group of sludge drying units correspond to the lower part of the third group of sludge drying units and are close to the bottom of the inner cavity of the sludge drying box body, the high-temperature steam inlet and the steam outlet are respectively positioned at the bottom and the top of the sludge drying box body, and the dried sludge outlet corresponds to the right side end of the fourth group of sludge drying units.

2. The circulating sludge drying apparatus of claim 1, wherein; the four groups of sludge drying units are respectively provided with a drying groove with fine through holes distributed on the periphery and made of stainless steel, and a sludge spiral auger driven by a motor, wherein the sludge spiral auger is integrally positioned in the drying groove, the drying grooves of the first group of sludge drying units, the second group of sludge drying units and the third group of sludge drying units drive sludge output ports, and the sludge output ports are positioned below the end parts of the corresponding drying grooves and correspond to sludge inlets of the next group of sludge drying units.

3. The circulating sludge drying apparatus of claim 1, wherein; the sludge inlet 2 to be dried is provided with a sludge input conveying net belt.

4. The circulating sludge drying apparatus of claim 1, wherein; the bottom of the sludge drying box body is provided with a plurality of groups of stainless steel supporting feet through bolts, so that the sludge drying box body is integrally supported at 0.5-1.0 meter away from the ground.

5. The circulating sludge drying apparatus of claim 2 wherein; the device also comprises a control unit which is respectively connected with the motors of the four groups of sludge drying units and controls the four groups of motors.