CN210261527U - Sludge dryer - Google Patents

Abstract

The utility model discloses a sludge dryer, which consists of a drying box, a heat source chamber, a filtering device, a drying chamber, a sealing isolation plate, an air energy heat pump, a mesh belt system, an air inlet chamber, a fan and an air equalizing chamber, wherein the mesh belt system is arranged in the drying chamber, the filtering device is arranged above the drying chamber, the outlet of the filtering device is connected with the air energy heat pump, the outlet of the air energy heat pump is connected with the inlet of the fan, the fan is arranged in the air equalizing chamber, the air equalizing chamber is communicated with the air inlet chamber, the air inlet chamber is arranged below the mesh belt system, the flow sequence of hot air in the drying box is that the air energy heat pump outlet → the fan → the air equalizing chamber → the air inlet chamber → the mesh belt system → the filtering device → the inlet of the air energy heat pump forms a circulation, odor is treated by the filtering device, moisture generated in sludge drying is discharged by the air energy heat pump, the machine has the characteristics of good corrosion resistance, low failure rate, uniform hot air and high drying efficiency.

Description

Sludge dryer

Technical Field

The utility model relates to an environmental protection equipment especially relates to a sludge drying machine.

Background

All will produce a large amount of mud in the city every day, the mud water content is big, and contain a large amount of organic matters and bacterium, can not directly adopt the mode of stacking or simple landfill to handle, at present in the mode treatment mud in-process of minimizing, on the basis of taking off partial moisture, adopt the drying method to become the solid with mud, the ubiquitous energy consumption among the existing drying method is high, inefficiency, the smell leaks outward, cause secondary pollution environment, mainly there are the following problem in several respects, firstly, the air energy heat pump sludge drying-machine who is commonly used at present mainly adopts the guipure machine drying, to the hot-blast of drying cabinet internal blowing, become the malleation operation (the air is heated the inflation) in the drying cabinet, there is the foul smell to leak and causes secondary pollution. Secondly, in the existing air energy heat pump mesh belt dryer, heat pumps, fans and other electrical appliances, refrigeration elements and mesh belt machines are arranged in a space, corrosive gas is easily corroded after being attached to the elements for a long time, and the failure rate is high. Third, present drying-machine all adopts unilateral arrangement energy and fan, and hot-blast distribution uniformity is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sludge drying machine, it can solve the not enough of above-mentioned existence, mud is dried in inclosed drying-machine, utilize the air energy heat pump to do the heat source and carry out drying, discharge water simultaneously, adopt active carbon or other filtration methods deodorization, waste heat in the drying process is recycled, the circulation heating, the drying chamber separation of heat pump and fan and drying cabinet, independently install outside the drying chamber, can not corroded, dry hot-blast entering drying chamber from two sides of drying chamber in, the heating homogeneity is good, with circulating hot-air suction to air energy heat pump heating, it is little negative pressure state in the drying chamber to keep, outside toxic gas in the drying chamber can not leak the drying cabinet, can not produce secondary pollution to the environment, machine corrosion resistance is good, hot-blast even, drying efficiency is high.

The utility model aims at realizing according to the following technical scheme: the sludge dryer comprises a drying box, a heat source chamber, a filtering device, a drying chamber, a sealing isolation plate, an air energy heat pump, a mesh belt system, an air inlet chamber, a fan and an air equalizing chamber, wherein the drying box is of a rectangular structure, the outer surface of the drying box is provided with an insulation board, the mesh belt system, the air inlet chamber and the sealing isolation plate form the drying chamber which is of a rectangular structure, the mesh belt system is of a multilayer structure and comprises a steel wire mesh, a roller, a chain wheel, a chain, a motor and a speed reducer and is used for spreading sludge, one end face of the drying box is used for feeding, the other end face of the drying box is used for discharging, the two sides of the mesh belt system are separated by the sealing isolation plate, the air energy heat pump, the fan and a shell insulation board form an independent space which is called as the heat source chamber, the heat source chamber is separated from the drying chamber, the air energy heat, the fan is a centrifugal fan without a volute, the outlet of the fan is connected in an air equalizing cavity, the main body of the fan and the motor part are positioned in a heat source chamber, the air equalizing cavity is a rectangular cavity and is communicated with an air inlet cavity, a filter device is arranged above a drying chamber, the inlet of the filter device is communicated with the drying chamber, air can enter the filter device, the outlet of the filter device is connected to the inlet of an air energy heat pump, an air inlet cavity is positioned below the drying chamber and is formed by an area between the lower end of a mesh belt system and a bottom plate, a plurality of air energy heat pumps and fans are arranged in the drying chamber, the air equalizing cavities corresponding to the air energy heat pumps and the fans are also separated from each other, the flow sequence of hot air in the dryer is that the outlet of the air energy heat pump → the fan → the air equalizing cavity → the air inlet cavity → the mesh belt system → the filter device → the inlet of the air energy heat pump forms a circulation, and, and becomes condensed water to be discharged.

When the drying device works, sludge to be dried is arranged on a mesh belt system, the mesh belt system, a fan and an air energy heat pump are started, the sludge is conveyed into a drying box and is dried in the forward conveying process, hot air generated by the air energy heat pump flows to an air equalizing chamber through the fan and is uniformly mixed and enters an air inlet chamber, the hot air on two sides enters an air inlet chamber, the hot air flows upwards into the mesh belt system to dry the sludge, the flowing uniformity of the hot air is good, the temperature of the hot air is reduced after passing through the mesh belt system, meanwhile, the hot air contains moisture, the hot air enters a filtering device, odor is absorbed and filtered after filtering, wet air enters the air energy heat pump and flows into the fan after being heated, the moisture is condensed and then discharged out of the drying box from a water outlet of the air energy heat pump, the wet air in the drying box is sent out of the other end of the drying box after the drying is finished, and the wet air, form little negative pressure in confined space, the foul smell that the stoving in-process produced can not leak out the drying cabinet, can not produce secondary pollution to the environment, and drying chamber and heat source room are separated, install the air energy heat pump in the heat source room and fan surface and electrical component contactless have the air of corrosivity, are difficult to be corroded, and the incorruptibility is good, and hot-blast in the drying chamber is from both sides air inlet to be the multiple spot air inlet, the homogeneity of wind-warm syndrome is good.

By adopting the technical scheme, the sludge dryer utilizes the waste heat generated after the sludge is dried to be recycled, the energy consumption is saved, the filtering device removes odor, toxic and tasty gas can not leak out of the drying box, the outer surfaces of the air energy heat pump and the fan and the electric elements are not easy to corrode, air is fed from the two sides of the drying chamber, the air temperature uniformity is good, secondary pollution to the environment can not be generated, the machine has the characteristics of good corrosion resistance, low failure rate, uniformity of hot air and high drying efficiency.

Drawings

The invention is further described with reference to the following figures and examples.

Fig. 1 is a side view of the present invention.

Fig. 2 is a top view of the present invention.

In figures 1 and 2: 1. the device comprises a drying box, 2, a heat source chamber, 3, a filtering device, 4, a drying chamber, 5, a sealing isolation plate, 6, an air energy heat pump, 7, a mesh belt system, 8, an air inlet cavity, 9, a fan, 10 and an air equalizing cavity.

Detailed Description

A sludge dryer is composed of a drying box 1, a heat source chamber 2, a filtering device 3, a drying chamber 4, a sealing isolation plate 5, an air energy heat pump 6, a mesh belt system 7, an air inlet cavity 8, a fan 9 and an air equalizing cavity 10, wherein the drying box 1 is of a rectangular structure, the outer surface of the drying box is provided with a heat insulation plate, the mesh belt system 7, the air inlet cavity 8 and the sealing isolation plate 5 form the drying chamber 4 which is of a rectangular structure, the mesh belt system 7 is of a multilayer structure and is composed of a steel wire mesh, a roller, a chain wheel, a chain, a motor and a speed reducer and used for spreading sludge, one end face of the drying box 1 is used for feeding, the other end face of the drying box is used for discharging, the sealing isolation plate 5 is adopted on two sides of the mesh belt system 7, the air energy heat pump 6, the fan 9 and a shell form an independent space which is called as the heat source chamber 2, the heat source chamber 2, the fan 9 is arranged below the heat source chamber 2, the outlet of the air energy heat pump 6 is connected to the inlet of the fan 9, the fan 9 is a centrifugal fan 9 without a volute, the outlet of the fan 9 is connected to the air equalizing chamber 10, the main body and the motor part of the fan 9 are arranged in the heat source chamber 2, the air equalizing chamber 10 is a rectangular cavity, the air equalizing chamber 10 is communicated with the air inlet chamber 8, the filter device 3 is arranged above the drying chamber 4, the filter device 3 is an activated carbon adsorption device, the inlet of the filter device 3 is communicated with the drying chamber 4, gas can enter the filter device 3, the outlet of the filter device 3 is connected to the inlet of the air energy heat pump 6, the air inlet chamber 8 is arranged below the drying chamber 4 and is formed by the area between the lower end of the mesh belt system 7 and the bottom plate, a plurality of air energy heat pumps 6 and fans 9 are arranged in the drying chamber 1, and the air equalizing chambers 10 corresponding to the fans are also multiple and isolated, the flow sequence of hot air in the dryer is air energy heat pump 6 outlet → blower 9 → air equalizing cavity 10 → air inlet cavity 8 → mesh belt system 7 → filter device 3 → inlet of air energy heat pump 6, forming a circulation, in the drying process, the moisture in the sludge passes through the air energy heat pump 6 and then turns into condensed water to be discharged.

When the drying device works, sludge to be dried is arranged on a mesh belt system 7, the mesh belt system 7, a fan 9 and an air energy heat pump 6 are opened, the sludge is conveyed into a drying box 1 and dried in the forward conveying process, hot air generated by the air energy heat pump 6 flows to an air equalizing chamber 10 through the fan 9 and is uniformly mixed, the hot air enters an air inlet chamber 8, the hot air on two sides enters the air inlet chamber 8, the hot air flows upwards into the mesh belt system 7 to dry the sludge, the flowing uniformity of the hot air is good, the temperature of the hot air is reduced after passing through the mesh belt system 7, meanwhile, the hot air contains moisture and enters a filtering device 3, after filtering, odor is adsorbed and filtered, wet air enters the air energy heat pump 6 and flows into the fan 9 after heating, meanwhile, the moisture is condensed and then discharged out of the drying box 1 from a water outlet of the air energy heat pump 6, after the sludge is dried, the sludge is sent out of the drying box 1, because the humid air in the drying chamber 4 is sucked away by the air energy heat pump 6, a micro negative pressure is formed in a sealed space, odor generated in the drying process cannot leak out of the drying box 1, secondary pollution to the environment cannot be generated, the drying chamber 4 and the heat source chamber 2 are separated, the outer surfaces of the air energy heat pump 6 and the fan 9 installed in the heat source chamber 2 and electrical elements are not contacted with corrosive air, the air energy heat pump is not easy to corrode, the durability is good, hot air in the drying chamber 4 enters air from two sides and enters air at multiple points, and the uniformity of the air temperature is good.

The above description is the preferred function implementation of the present invention, and is not intended to limit the present invention, and any modification and equivalent replacement and improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (1)

1. The utility model provides a sludge dryer, by drying cabinet, heat source room, filter equipment, drying chamber, sealed division board, air energy heat pump, guipure system, air inlet chamber, fan, equal wind chamber constitute characterized by: the drying box is of a rectangular structure, the outer surface of the drying box is provided with a heat insulation board, a mesh belt system, an air inlet cavity and a sealing isolation board form a drying chamber which is of a rectangular structure, the mesh belt system is of a multilayer structure and comprises a steel wire mesh, a roller, a chain wheel, a chain, a motor and a speed reducer and is used for spreading sludge, one end surface of the drying box is used for feeding the sludge, the other end surface of the drying box is used for discharging the sludge, the sealing isolation boards are adopted on two sides of the mesh belt system to isolate, an air energy heat pump, a fan and a shell heat insulation board form an independent space which is called a heat source chamber, the heat source chamber is separated from the drying chamber, the air energy heat pump is arranged above the heat source chamber, the fan is arranged below the heat source chamber, an outlet of the air energy heat pump is connected to an inlet of the fan, the fan is, the air-energy heat pump and the fans are arranged in the drying box, the corresponding air-energy heat pump outlets → the fans → the air-energy cavity → the air inlet cavity → the mesh belt system → the filtering device → the inlet of the air-energy heat pump, which form a circulation, in the drying process, the hot air generated by the air-energy heat pump flows to the air-energy cavity through the fans, is uniformly mixed and enters the air inlet cavity, the hot air on both sides enters the mesh belt cavity, and the hot air flows upwards to the mesh belt system, the sludge is dried, the uniformity of hot air flowing is good, the temperature of hot air is reduced after passing through a mesh belt system, meanwhile, moisture is contained, the sludge enters a filtering device, odor is absorbed and filtered after filtering, wet air enters an air energy heat pump and flows into a fan after being heated, meanwhile, the moisture is condensed and then is discharged out of a drying box from a water outlet of the air energy heat pump, the wet air in the drying box is absorbed by the air energy heat pump, micro negative pressure is formed in a sealed space, the odor generated in the drying process cannot leak out of the drying box, secondary pollution to the environment is avoided, the drying box and a heat source chamber are separated, the air energy heat pump and the outer surface of the fan which are arranged in the heat source chamber and electrical elements are not in contact with corrosive air and are not prone to corrosion, hot air in the drying chamber enters air from two sides, and multi-point air enters.

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