KR101979904B1 - Sludge treatment apparatus and method for sludge treatment - Google Patents

Abstract

One embodiment of the present invention relates to a system for treating sludge. Disclosed is a sludge treatment system, which comprises: a freezing unit configured to perform a freezing treatment step for the sludge; a crushing unit for crushing the sludge after at least the freezing treatment step; and a drying unit for performing a drying treatment on the sludge after at least the crushing is performed. According to the present invention, the sludge can be effectively treated with low power consumption.

Description

Sludge treatment apparatus and method for sludge treatment

Embodiments of the present invention relate to a sludge treatment system and a sludge treatment method.

Wastewater or dirt, such as domestic wastewater, may not be disposed of as it is, but may be discharged or discarded after an appropriate treatment in a sewage treatment plant.

The wastewater, sewage or sewage may be first subjected to a primary dewatering process to form sludge.

Such sludge can be used for a variety of applications or can be disposed of for disposal.

On the other hand, such sludge is a state of high moisture content may have some form, such as cake form.

However, the sludge having such a shape may be relatively easy to handle only when the drying process is performed. This can facilitate the disposal of sludge or recycling for other uses.

However, the treatment for such sludge contains a lot of water, so it is not easy to handle and there is a limit to easily proceed due to problems such as high heat required when drying.

Embodiments of the present invention provide a sludge treatment system and a sludge treatment method capable of easily handling sludge and effectively treating sludge with low power consumption.

An embodiment of the present invention is a system for treating sludge, a freezing unit configured to perform a freezing treatment step for the sludge, a crushing unit for crushing sludge after at least the freezing treatment step and at least the crushing Disclosed is a sludge treatment system including a drying unit for performing a drying treatment on sludge after advancing.

In the present embodiment, the freezing unit includes a freezer and a freezing treatment region, the freezer is formed to provide an atmosphere of freezing for the freezing treatment region, the freezing treatment region may proceed to the freezing treatment step for the sludge. May contain spaces.

In the present embodiment may further include a crushing module for performing the crushing for the sludge during the freezing treatment through the freezing unit or before the freezing treatment through the freezing unit is completed at least.

In the present embodiment, the drying unit includes a heat generating unit and a drying space, wherein the heat generating unit is formed to provide heat to the drying space, and the drying space arranges the sludge and supplies heat from the heat generating unit. Receiving can be formed to proceed with the drying process for the sludge.

In the present embodiment may further include one or more preliminary treatment for performing a preliminary treatment for the sludge before proceeding with the freezing treatment step through the freezing unit.

In the present embodiment, the sludge includes sewage or wastewater sludge, and may include a flocculating material for flocculation to the sludge.

Another embodiment of the present invention is a method for treating sludge, comprising: a freezing treatment step configured to proceed with a freezing treatment step for the sludge, at least a crushing treatment step for crushing sludge after performing the freezing treatment step and at least Disclosed is a sludge treatment method comprising a drying step of performing a drying treatment on sludge after the crushing is performed.

In the present embodiment, the freezing treatment step may include a movement step in at least one region of the sludge during the freezing treatment process for the sludge.

In the present exemplary embodiment, the freezing treatment step may further include a preliminary crushing step of crushing the sludge before at least the freezing treatment is completed.

In the present embodiment may further include one or more preliminary treatment step of performing a preliminary treatment for the sludge before proceeding to the freezing treatment step.

In the present embodiment, a sludge preparation step of preparing the sludge before proceeding to the freezing treatment step, the sludge preparation step may include preparing a sludge containing a flocculating material for flocculation to the sludge. have.

Other aspects, features, and advantages other than those described above will become apparent from the following drawings, claims, and detailed description of the invention.

The sludge treatment system and the sludge treatment method according to the present embodiment can easily handle sludge and effectively treat sludge with low power consumption.

1 is a view schematically showing a sludge treatment system according to an embodiment of the present invention.
2 is a view showing a modification of the freezing section of FIG.
3 is a diagram illustrating a modification of the crushing unit of FIG. 1.
4 is a diagram illustrating a modification of the drying unit of FIG. 1.
5 is a view showing another modified example of the drying unit of FIG.
6 is a flowchart illustrating a sludge treatment method according to an embodiment of the present invention.
FIG. 7 is a view for explaining a modification to step S10 of FIG. 6.
8 is a view for explaining another modified example of the step S10 of FIG.
9 is a view for explaining a modification of the step S50 of FIG.
FIG. 10 is a view for explaining another modification of step S50 of FIG. 6.
11 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.
12 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.
13 is a view schematically showing a freezing section of a sludge treatment system according to another embodiment of the present invention.
14 is a view schematically showing a freezing unit of the sludge treatment system according to another embodiment of the present invention.
15 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.
16 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.
17 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. Effects and features of the present invention, and methods of achieving them will be apparent with reference to the embodiments described below in detail together with the drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various forms.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the same or corresponding components will be denoted by the same reference numerals, and redundant description thereof will be omitted. .

In the following embodiments, the terms first, second, etc. are used for the purpose of distinguishing one component from other components rather than a restrictive meaning.

In the following examples, the singular forms "a", "an" and "the" include plural forms unless the context clearly indicates otherwise.

In the following examples, the terms including or having have meant that there is a feature or component described in the specification and does not preclude the possibility of adding one or more other features or components.

In the drawings, components may be exaggerated or reduced in size for convenience of description. For example, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of description, and thus the present invention is not necessarily limited to the illustrated.

In the following embodiments, the x-axis, y-axis and z-axis are not limited to three axes on the Cartesian coordinate system, but may be interpreted in a broad sense including the same. For example, the x-axis, y-axis, and z-axis may be orthogonal to each other, but may refer to different directions that are not orthogonal to each other.

In the case where an embodiment may be implemented differently, a specific process order may be performed differently from the described order. For example, two processes described in succession may be performed substantially simultaneously or in the reverse order of the described order.

1 is a view schematically showing a sludge treatment system according to an embodiment of the present invention.

Referring to FIG. 1, the sludge treatment system 100 of the present exemplary embodiment may include a freezing unit 110, a crushing unit 130, and a drying unit 150.

The sludge treatment system 100 of the present embodiment is a system for treating sludge, and may include treating sludge containing moisture.

The sludge treatment system 100 may treat a variety of sludges, for example, sludge collected from a reservoir for storing sewage, wastewater or dirt, or from a treatment plant treating them.

In an alternative embodiment, the sludge treatment system 100 may treat sludge that includes agglomerated materials. For example, such sludge may contain a polymer as a flocculating material for flocculation of the sludge.

As an alternative embodiment, the sludge can have a water content of from 50 to 90 percent, for example from 60 to 90, specifically from about 80 percent, using such polymer agglomerates.

The freezing unit 110 may receive the sludge and proceed with the freezing treatment step.

In some embodiments, the pretreatment may be performed before the freezing treatment step through the freezing unit 110 for the sludge. The preliminary treatment may comprise performing a physical treatment for the sludge, for example a crushing treatment, and as a specific example may be passed through one or more roll mills.

As an alternative embodiment, this pretreatment can be carried out using a variety of devices that exert compressive, shear, tensile or frictional forces on the sludge.

The freezing unit 110 may freeze the sludge so that at least one region of the sludge may be frozen and solidified.

In some embodiments, the freezer 110 may include a freezer for supplying or delivering cold air.

In some embodiments, the freezing unit 110 may include a freezing space that performs a freezing treatment for sludge.

In addition, as an additional example, when the freezing unit 110 includes a freezing space, the sludge may be refrigerated while moving to at least one region.

In addition, as an optional embodiment, when the freezing unit 110 includes a freezing space, the sludge may be crushed at the same time as the freezing treatment or immediately after the freezing treatment. Shred modules can be placed.

The freezing unit 110 may be formed to perform the freezing treatment for the sludge in an atmosphere of 0 degrees Celsius or less so that the freezing of the water in the sludge for the freezing treatment for the sludge.

As an alternative embodiment, the freezing unit 110 may be formed to perform the freezing treatment for the sludge in an atmosphere of minus 1 degree Celsius or less.

As an alternative embodiment, the freezing unit 110 may be formed to perform the freezing treatment for the sludge in an atmosphere of minus 10 degrees Celsius to minus 20 degrees Celsius.

In addition, as another alternative embodiment, the freezing unit 110 may be formed to proceed with the freezing treatment for the sludge in the atmosphere of minus 10 degrees Celsius to minus 40 degrees Celsius.

In addition, as another alternative embodiment, the freezing unit 110 may be formed to rapidly perform the freezing treatment for the sludge in an atmosphere of minus 40 degrees Celsius or less.

The crushing unit 130 may crush the sludge after the freezing unit 110 performs the freezing treatment for the sludge and then the freezing treatment step.

When the sludge is processed through the freezing unit 110, at least one region, a plurality of regions, or an entire region of the sludge may be frozen and the crushing unit 130 may be solidified. It can be broken up into a plurality of chunks of appropriate size.

The crushing unit 130 may use a variety of devices, for example, may include a crushing roll.

As an optional embodiment, the shredding unit 130 may include various devices that exert a strong pressure on the sludge, for example, may include one or more hammers, and may include corresponding stages corresponding to the hammers and sludges. .

In some embodiments, the crushing unit 130 may further include a crushing member for crushing the sludge during the freezing process. Optionally, the crushing unit 130 may include a freezing space when the freezing unit 110 includes a freezing space. The shredding member may be further disposed at the.

The drying unit 150 may be formed to perform a drying process for the sludge after the crushing unit 130 is crushed.

As an optional embodiment, the drying unit 150 may be formed to perform a heat treatment on the sludge.

For example, the drying unit 150 may be formed to provide high temperature hot air to the sludge.

In some embodiments, the drying unit 150 may include a drying space in which sludge may be disposed, and may be formed to provide hot air to the drying space.

In some embodiments, the drying unit 150 may include an airflow drying module. For example, the drying unit 150 may be formed to allow the sludge that has been crushed through the crushing unit 130 to pass through the airflow space and to dry while contacting the high temperature airflow in the airflow space.

The sludge treatment system of this embodiment may include a freezing unit, and the sludge treatment may be freeze processed in the freezing unit. As a result, the sludge may solidify at least one region, a plurality of regions, or the entire region. The sludge solidified in at least one region which has undergone the freezing treatment of the freezing unit may be subjected to a crushing process using a crushing unit, and the solidified lumps may be dispersed and dispersed in a large area as they become smaller and smaller.

The solidified sludge subjected to such a crushing treatment may increase the surface area to increase the area in contact with the air, thereby facilitating the drying treatment process during the drying treatment through the drying unit, thereby reducing the drying treatment time.

This can reduce power consumption and cost as well as time for sludge treatment.

As a result, the sludge taken from waste water or sewage can be treated to obtain a treated water-controlled product in an easy-to-handle form.

As an optional embodiment, the sludge that has been efficiently dried can be easily used in construction sites and other necessary places.

In addition, the sludge treatment system may be efficiently processed by reducing or preventing contamination of sludge with devices and apparatuses required for the process in the course of treating sludge by performing a refrigeration treatment through a freezing unit.

In addition, it is possible to facilitate the handling of the sludge during the sludge treatment process by proceeding the freezing through the freezing unit, and to reduce or prevent unwanted waste or remaining of the sludge during the process can increase the sludge utilization rate during the sludge treatment.

In addition, as an optional embodiment, sludge may be prepared in the form of sludge cake using a flocculating material such as polymer when preparing the sludge. Due to the polymer flocculating material, sludge may be unevenly aggregated when handling sludge. Because of the poor dispersion, it is not easy to obtain the drying characteristics and it may require enormous energy to dry to the desired moisture content. In the present embodiment, a sludge treatment system in which sludge is prepared and frozen and then crushed, and then sludge containing polymer is easily formed into small lumps or pieces after crushing, thereby easily securing drying characteristics and lowering power consumption. A sludge treated material which can be secured and the water content is effectively lowered can be easily obtained.

2 is a view showing a modification of the freezing section of FIG.

The freezing unit 110 ′ of the present embodiment may include a freezer 111 ′ and a freezing treatment region 113 ′.

The freezing unit 110 ′ may receive the sludge and proceed with the freezing treatment step.

The freezer 111 ′ may supply or deliver cold air. To this end, it may include various types of refrigerators, and may include various types of refrigerators such as compressed air or a refrigerant.

The freezing treatment region 113 ′ may include a space for performing a freezing treatment for the sludge. For example, the freezing treatment region 113 ′ may be connected to the freezer 111 ′, whereby the freezing treatment region 113 ′ may perform a freezing treatment for sludge in the freezing treatment region 113 ′.

In an alternative embodiment, the refrigeration treatment region 113 ′ may comprise a housing so as to be distinguished from the outside in at least one region, and the refrigerator 111 ′ may be connected to the exterior of such a housing, and as another example inside the housing. The refrigerator 111 'may be connected.

The freezing treatment for the sludge may be performed in the freezing treatment region 113 ′ to improve the efficiency of the freezing treatment step.

In some embodiments, a blower may be further disposed in the freezing treatment region 113 ′, and the blower may effectively distribute cold air supplied from the freezer 111 ′ to the freezing treatment region 113 ′.

In some embodiments, the sludge in the freezing treatment region 113 ′ may be freeze treatment while moving to at least one region.

3 is a diagram illustrating a modification of the crushing unit of FIG. 1.

The crushing unit 130 ′ of the present embodiment may include a first crushing unit 131 ′ and a second crushing unit 133 ′.

The first crushing unit 131 ′ may crush the sludge after the freezing unit 110 or 110 ′ undergoes the freezing treatment for the sludge.

When the sludge is processed through the freezing unit, at least one region, a plurality of regions, or the entire region of the sludge may be frozen, and the first crushing unit 131 'may crush the solidified sludge. To produce multiple chunks of appropriate size.

While the freezing treatment is in progress, the second crushing unit 133 ′ may crush at least one sludge at least in the process before the freezing treatment is completed.

In some embodiments, when the freezing unit 110 ′ of the above-described embodiment includes the freezing treatment region 113 ′, at least one second crushing unit 133 ′ may be disposed in the freezing treatment region 113 ′. .

The first crusher 131 ′ and the second crusher 133 ′ of the crusher 130 ′ may use various devices, and may include the same kind or different kinds.

The crushing unit 130 ′ may include, for example, a crushing roll. As an alternative embodiment the shredding 130 'may comprise various devices which exert a strong pressure on the sludge, for example may comprise one or more hammers and may comprise corresponding stages corresponding to the hammers and sludges. have.

4 is a diagram illustrating a modification of the drying unit of FIG. 1.

The drying unit 150 ′ of the present embodiment may include a heat generating unit 151 ′ and a drying space 153 ′.

The heat generating unit 151 ′ generates heat to supply heat to the sludge using energy, for example, hot air.

The drying space 153 ′ may receive a heat from the heat generating unit 151 ′ and may perform a drying process on the sludge after passing through the crushing unit. For example, sludge is disposed in the drying space 153 ', and the drying space 153' may be formed to receive hot air from the heat generating unit 151 '.

The drying space 153 ′ may be in various forms, and may include a stage in which solidified sludge that has undergone crushing treatment may be disposed in a dispersed state.

In some embodiments, the drying space 153 ′ may be connected to an exhaust unit for exhausting the used hot air when the hot air is supplied from the heat generating unit 151 ′.

5 is a view showing another modified example of the drying unit of FIG.

The drying unit 150 ″ of the present embodiment may include a suction unit 152 ″ and an airflow space 154 ″.

The suction part 152 "may be crushed to suck up the sludge and the sludge dispersed therein. The suction part 152" may easily suck the sludge by processing through the freezing part and processing through the crushing part. have.

The airflow space 154 "is formed to be connected to the suction portion 152" and hot air is provided in at least one region, and the sludge sucked through the suction portion 152 "passes through the airflow space 154" and contacts the hot air flow. While the drying treatment may proceed.

Optionally, it may include a discharge portion (not shown) connected to the airflow space 154 "and through which the sludge discharged through the airflow space 154" is discharged.

6 is a flowchart illustrating a sludge treatment method according to an embodiment of the present invention.

Referring to FIG. 6, the sludge treatment method of the present exemplary embodiment may include a sludge preparation step S05, a freezing treatment step S10, a crushing treatment step S30, and a drying step S50.

The sludge preparation step S05 may include preparing sludge.

The sludge may include treating sludge containing water.

Sludge may vary, for example, it may include sludge collected from a reservoir for storing sewage, waste water or sewage or from a treatment plant treating them.

As an optional embodiment, the sludge preparation step S05 may prepare sludge including aggregated material. For example, such sludge may contain a polymer as a flocculating material for flocculation of the sludge.

As an alternative embodiment, the sludge prepared in the sludge preparation step (S05) may have a water content of 50 to 90 percent, for example 60 to 90, specifically about 80 percent, using this polymer flocculating material.

In addition, the sludge prepared in the sludge preparation step (S05) may include a sludge cake prepared in the form of a predetermined size.

In the freezing treatment step S10, the sludge prepared in the sludge preparation step S05 may be supplied to proceed with the freezing treatment step.

As an optional embodiment, preliminary treatment may be performed before the freezing treatment step through the freezing treatment step (S10) for the sludge.

For example, after the sludge preparation step S05 is performed, preliminary treatment may be performed.

The preliminary treatment may comprise performing a physical treatment for the sludge, for example a crushing treatment, and as a specific example may be passed through one or more roll mills.

As an alternative embodiment, this pretreatment can be carried out using a variety of devices that exert compressive, shear, tensile or frictional forces on the sludge.

The freezing treatment step S10 may be performed to freeze the sludge so that at least one region of the sludge may be frozen and solidified.

As an optional embodiment, the freezing treatment step S10 may be performed by using a freezer that supplies or delivers cold air, and as an optional embodiment, the freezing treatment step S10 may perform a freezing treatment for sludge in the freezing treatment region. .

In addition, as a further example, the freezing treatment step (S10) may proceed with the freezing treatment in the freezing space and proceed with the freezing treatment while the sludge moves to at least one region.

In addition, as an optional embodiment, the freezing treatment step (S10) may proceed in the freezing space and proceed to crush the sludge at the same time as the freezing treatment or immediately after the freezing treatment.

The refrigeration step (S10) may proceed with the freezing treatment for the sludge in an atmosphere of 0 degrees Celsius or less so that the freezing of the water in the sludge for the freezing treatment for the sludge.

As an alternative embodiment, the freezing treatment step (S10) may proceed with the freezing treatment for the sludge in an atmosphere of minus 1 degree Celsius or less.

As an alternative embodiment, the freezing treatment step (S10) may proceed with the freezing treatment for sludge in an atmosphere of minus 10 degrees Celsius to minus 20 degrees Celsius.

In another alternative embodiment, the freezing treatment step (S10) may proceed with the freezing treatment for the sludge in an atmosphere of minus 10 degrees Celsius to minus 40 degrees Celsius.

In another alternative embodiment, the freezing treatment step (S10) may rapidly proceed with the freezing treatment for the sludge in an atmosphere of minus 40 degrees Celsius or less.

The crushing treatment step S30 may proceed with crushing the sludge after the freezing treatment step after the freezing treatment for the sludge in the freezing treatment step S10.

When the freezing treatment for the sludge is performed through the freezing treatment step (S10), at least one region, a plurality of regions, or the entire region of the sludge may be frozen, and the shredding treatment step (S30) may be solidified. The sludge can be broken up into a plurality of chunks of appropriate size.

The crushing treatment step S30 may be performed using various apparatuses, for example, using a crushing roll.

As an optional embodiment the crushing treatment step S30 may comprise various steps of applying a strong pressure on the sludge, for example comprising the use of one or more hammers, after the sludge corresponds to the corresponding stage. Applying pressure with a hammer on the stage.

Drying step (S50) may be formed to proceed with the drying treatment for the sludge after the crushing in the crushing treatment step (S30).

In some embodiments, the drying step S50 may be a heat treatment for the sludge.

For example, the drying step S50 may include providing hot hot air to the sludge.

Optionally, the drying step S50 may include disposing the sludge in a drying space, and may include providing hot air to the drying space.

As an optional embodiment, the drying step S50 may include using an airflow drying module. For example, the method may include a step of allowing the sludge that has undergone crushing through the crushing treatment step (S30) to pass through the airflow space and drying while contacting the hot airflow in the airflow space.

The sludge treatment method of the present embodiment may include a freezing treatment step, and the sludge treatment may be performed in the freezing treatment step. As a result, the sludge may solidify at least one region, a plurality of regions, or the entire region. At least one region that has undergone such a freezing treatment undergoes a crushing treatment for the solidified sludge, and the solidified lumps may be dispersed and dispersed in a large area as they become smaller and smaller.

The solidified sludge subjected to such a crushing treatment may increase the surface area to increase the area of contact with air, thereby facilitating the drying treatment process during the drying treatment, thereby reducing the drying treatment time.

This can reduce power consumption and cost as well as time for sludge treatment.

As a result, the sludge taken from waste water or sewage can be treated to obtain a treated water-controlled product in an easy-to-handle form.

As an optional embodiment, the sludge that has been efficiently dried can be easily used in construction sites and other necessary places.

In addition, the sludge treatment system may be efficiently processed by reducing or preventing contamination of sludge with devices and apparatuses required for the process in the course of treating sludge by performing a refrigeration treatment through a freezing unit.

In addition, it is possible to facilitate the handling of the sludge during the sludge treatment process by proceeding the freezing through the freezing unit, and to reduce or prevent unwanted waste or remaining of the sludge during the process can increase the sludge utilization rate during the sludge treatment.

FIG. 7 is a view for explaining a modification to step S10 of FIG. 6.

The freezing treatment step S10 ′ of the present embodiment may include a freezing step S11 ′ and a preliminary crushing step S13 ′.

In the freezing step S11 ′, sludge may be supplied to proceed with the freezing treatment step.

The refrigerating step S11 ′ may include supplying or delivering cold air, and various types of refrigerators may be used for this purpose, for example, various types such as compressed air or a refrigerant may be used.

The freezing step S11 ′ may include supplying cold air from the freezer outside the housing to the freezing treatment region to proceed with the freezing treatment for the sludge.

As an optional embodiment, the freezing step S11 ′ may include a movement step in at least one region with respect to the sludge during the freezing treatment.

In the preliminary crushing step S13 ′, at least one sludge may be crushed at least during the process before the freezing treatment is completed.

As an optional embodiment, when the freezing step S11 ′ of the above-described embodiment is performed in the freezing treatment region, the preliminary crushing step S13 ′ may be performed in the freezing treatment region.

8 is a view for explaining another modified example of the step S10 of FIG.

The freezing treatment step S10 ″ of the present embodiment may include a freezing step S11 ′, a preliminary crushing step S13 ′, and a transfer processing step S15 ″.

In the freezing step S11 ′, sludge may be supplied to proceed with the freezing treatment step.

The refrigerating step S11 ′ may include supplying or delivering cold air, and various types of refrigerators may be used for this purpose, for example, various types such as compressed air or a refrigerant may be used.

In the preliminary crushing step S13 ″, at least one sludge may be crushed at least during the process before the freezing treatment is completed.

As an optional embodiment, when the freezing step S11 ′ of the above-described embodiment is performed in the freezing treatment region, the preliminary crushing step S13 ′ may be performed in the freezing treatment region.

The movement treatment step S15 ″ may include a movement step in at least one region for at least one region sludge during the refrigeration step S11 ′, for example, a movement through a conveyor for sludge. In addition, the freezing treatment and the moving step may be performed simultaneously.

9 is a view for explaining a modification of the step S50 of FIG.

The drying step S50 'of the present embodiment may include a heat generating step S51' and a drying providing step S53 '.

The heat generating step S51 ′ generates heat to supply heat to the sludge using energy, for example, hot air.

In the drying providing step (S53 ′), heat may be received from the heat generating step (S51 ′) to proceed with the drying treatment for the sludge after the crushing treatment step. For example, the sludge is disposed in the drying space and the drying providing step S53 'may include providing heat generated in the heat generating step S51' to the drying space.

Optionally, when the drying step is provided by receiving the hot air from the heat generating step (S51 '), it may include an exhausting step of exhausting the used hot air.

FIG. 10 is a view for explaining another modification of step S50 of FIG. 6.

The drying step S50 ″ of the present embodiment may include an airflow generation step S52 ″ and an airflow passage step S54 ″.

The airflow generating step S52 ″ may include generating airflow in at least one space.

The airflow passage step S54 ″ may include a step of passing the crushing process to pass the sludge in the air stream generated in the airflow generation step S52 ″ in which the mass is small and dispersed.

As an optional embodiment, the airflow passage step S54 ″ may include a suction step into the airflow space for sludge after the freezing treatment and the crushing treatment.

11 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.

Referring to FIG. 11, the sludge treatment system 1000 of the present exemplary embodiment may include a freezing unit 1110, a crushing unit 1310, and a drying unit 1510.

The sludge treatment system 1000 of the present embodiment is a system for treating sludge S, and may include treating sludge S containing water.

The sludge treatment system 1000 may treat various sludges S, for example, may include sludge S collected from a reservoir for storing sewage, waste water or dirt, or a treatment plant for treating them.

As an alternative embodiment, the sludge treatment system 1000 may treat sludge S including aggregated material. For example, such sludge S may contain a polymer as a flocculating material for flocculating the sludge.

As an alternative embodiment, the sludge S may have a water content of 50 to 90 percent, for example 60 to 90, specifically 80 percent, using such a polymer flocculating material.

The freezing unit 1110 may proceed with the freezing treatment step for the sludge.

In some embodiments, the preliminary treatment using the preliminary treatment unit 1001 may be performed before the freezing treatment step through the freezing unit 1110 for the sludge. The preliminary treatment may include performing a physical treatment for the sludge, for example, a crushing treatment, and as a specific example, the preliminary treatment unit 1001 may include one or more roll mills.

As an alternative embodiment, such pretreatment 1001 may include a variety of devices that exert compressive, shear, tensile or frictional forces on the sludge.

The freezing unit 1110 may freeze the sludge so that at least one region of the sludge may be frozen and solidified.

In some embodiments, the freezing unit 1110 may include a freezer for supplying or delivering cold air.

In some embodiments, the freezing unit 1110 may include a freezing treatment region 1120 for freezing the sludge.

In addition, as a further example, the freezing treatment region 1120 may include a moving member (not shown) so that the freezing treatment may be performed while moving to at least one region of the sludge.

After the sludge has passed through the preliminary treatment portion 1001, the sludge may be supplied into the freezing treatment region 1120 through the inlet portion 1121 in the input direction IN, and the freezing treatment for the sludge in the freezing treatment region 1120 may be performed. Can proceed.

Further, as an optional embodiment, the sludge may be crushed at the same time as the freezing treatment immediately after the freezing treatment in the freezing treatment region 1120, and at least one crushing module (not shown) is disposed in the freezing treatment region 1120. Can be.

The freezing treatment region 1120 may be formed to perform the freezing treatment for the sludge in an atmosphere of 0 degrees Celsius or less so that freezing of the moisture in the sludge may be performed for freezing treatment for the sludge.

As an alternative embodiment, the freezing treatment region 1120 may be formed to perform the freezing treatment for the sludge in an atmosphere of minus 1 degree Celsius or less.

As an alternative embodiment, the freezing treatment region 1120 may be formed to perform the freezing treatment for the sludge in an atmosphere of minus 10 degrees Celsius to minus 20 degrees Celsius.

In addition, as another alternative embodiment, the freezing treatment region 1120 may be formed to perform the freezing treatment for the sludge in an atmosphere of minus 10 degrees Celsius to minus 40 degrees Celsius.

In addition, as another alternative embodiment, the freezing treatment region 1120 may be formed to rapidly perform the freezing treatment for the sludge in an atmosphere of minus 40 degrees Celsius or less.

The crushing unit 1310 may crush the sludge after the freezing treatment step after the freezing treatment for the sludge in the freezing treatment region 1120.

In some embodiments, the sludge is taken out from the freezing treatment region 1120 in the extraction direction OT in the crushing unit 1310. For example, the sludge may be transferred in the crushing unit 1310 through the take-out transfer unit 1122. .

For example, the conveying portion 1122 may include a roller, a conveyor, or other member to convey the sludge in the direction of the crushing portion 131.

When the freezing treatment of the sludge is performed in the freezing treatment region 1120, at least one region, a plurality of regions, or the entire region of the sludge may be frozen and the crushed portion 1310 may be solidified. It can be broken up into a plurality of chunks of appropriate size.

The crushing unit 1310 may use various apparatuses, and may include, for example, a crushing roll.

As an optional embodiment, the shredding portion 1310 may include various devices that exert a strong pressure on the sludge, for example may include one or more hammers, and may include corresponding stages corresponding to the hammer and sludge. .

The drying unit 1510 may be formed to perform a drying process for the sludge after the crushing unit 1310 is crushed.

In some embodiments, the drying unit 1510 may be formed to perform heat treatment on the sludge.

For example, the drying unit 1510 may be formed to provide high temperature hot air to the sludge, and may include a hot air injecting unit as a specific example, and may include a hot air diffusing unit as an optional embodiment.

In some embodiments, a drying space 1520 may be disposed to face the drying unit 1510 and to place sludge, and may be formed to provide hot air to the drying space.

The drying space 1520 may include a stage form, and may include a stage in which solidified sludge that has undergone crushing treatment may be disposed in a dispersed state.

As an optional embodiment, the drying space 1520 may be connected to an exhaust part for exhausting the used hot air when the hot air is supplied from the drying part 1510.

As an optional embodiment, the drying space 1520 may be formed to be connected to the drying unit 1510, thereby improving thermal efficiency to the drying unit 1510.

In some embodiments, the drying space 1520 may be formed to move during drying in the drying space 1520, and may include a moving member such as a roller.

In some embodiments, the drying unit 1510 may include an airflow drying module. For example, the drying unit 1510 may be formed to allow the sludge that has been crushed through the crushing unit 1310 to pass through the airflow space and to dry while contacting the high temperature airflow in the airflow space.

The sludge dried by the drying unit 1510 may be delivered to the receiving unit 1700 in the delivery direction FT.

The sludge delivered to the receptacle 1700 may be prepared to prepare for subsequent processing, disposal or delivery.

The sludge treatment system of this embodiment may include a freezing unit, and the sludge treatment may be freeze processed in the freezing unit. As a result, the sludge may solidify at least one region, a plurality of regions, or the entire region. The sludge solidified in at least one region which has undergone the freezing treatment of the freezing unit may be subjected to a crushing process using a crushing unit, and the solidified lumps may be dispersed and dispersed in a large area as they become smaller and smaller.

The solidified sludge subjected to such a crushing treatment may increase the surface area to increase the area in contact with the air, thereby facilitating the drying treatment process during the drying treatment through the drying unit, thereby reducing the drying treatment time.

This can reduce power consumption and cost as well as time for sludge treatment.

As a result, the sludge taken from waste water or sewage can be treated to obtain a treated water-controlled product in an easy-to-handle form.

As an optional embodiment, the sludge that has been efficiently dried can be easily used in construction sites and other necessary places.

In addition, the sludge may be treated in a freezing treatment region connected to the freezing unit, and the freezing treatment region may be distinguished from at least one region from an external space, and in some embodiments, a housing may be formed to surround the freezing treatment region to freeze the sludge. The freezing treatment in the treatment region can be efficiently performed.

12 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.

Referring to FIG. 12, the sludge treatment system 2000 of the present exemplary embodiment may include a freezing unit 2110, a crushing unit 2310, and a drying unit 2540.

The sludge treatment system 2000 of the present embodiment is a system for treating sludge S, and may include treating sludge S containing moisture.

The sludge treatment system 2000 may treat various sludges S, for example, may include sludge S collected from a reservoir for storing sewage, waste water or dirt, or a treatment plant for treating them.

In an alternative embodiment, the sludge treatment system 2000 may treat sludge S including aggregated material. For example, such sludge S may contain a polymer as a flocculating material for flocculating the sludge.

As an alternative embodiment, the sludge S may have a water content of 50 to 90 percent, for example 60 to 90, specifically 80 percent, using such a polymer flocculating material.

The freezing unit 2110 may proceed with the freezing treatment step for the sludge.

In some embodiments, the preliminary treatment using the pretreatment unit 2001 may be performed before the freezing treatment step through the freezing unit 2110 for the sludge. The pretreatment may include performing physical treatment on the sludge, for example, crushing treatment, and as a specific example, the pretreatment unit 2001 may include one or more roll mills.

As an alternative embodiment, such pretreatment 2001 may include a variety of devices that exert compressive, shear, tensile or frictional forces on the sludge.

The freezing unit 2110 may freeze the sludge so that at least one region of the sludge may be frozen and solidified.

As an optional embodiment, the freezer 2110 may include a freezer for supplying or delivering cold air.

In some embodiments, the freezing unit 2110 may include a freezing treatment region 2120 that performs a freezing treatment for sludge.

In addition, as a further example, the freezing treatment region 2120 may include a moving member (not shown) so that the freezing treatment may be performed while moving to at least one region of the sludge.

After the sludge has passed through the pretreatment unit 2001, the sludge may be supplied into the freezing treatment region 2120 through the inlet portion 2121 in the input direction IN, and the freezing treatment for the sludge may be performed in the freezing treatment region 2120. Can proceed.

In addition, as an optional embodiment, the sludge may be crushed at the same time as the freezing treatment in the freezing treatment region 2120 or immediately after the freezing treatment. For this purpose, at least one crushing module (not shown) is disposed in the freezing treatment region 2120. Can be.

The freezing treatment region 2120 may be formed to perform the freezing treatment for the sludge in an atmosphere of 0 degrees Celsius or less so that freezing of the moisture in the sludge may be performed for the freezing treatment for the sludge.

As an alternative embodiment, the freezing treatment region 2120 may be formed to perform the freezing treatment for the sludge in an atmosphere of minus 1 degree Celsius or less.

As an alternative embodiment, the freezing treatment region 2120 may be formed to perform the freezing treatment for the sludge in an atmosphere of minus 10 degrees Celsius to minus 20 degrees Celsius.

In addition, as another alternative embodiment, the freezing treatment region 2120 may be formed to perform the freezing treatment for the sludge in an atmosphere of minus 10 degrees Celsius to minus 40 degrees Celsius.

In addition, as another alternative embodiment, the freezing treatment region 2120 may be formed to rapidly perform the freezing treatment for sludge in an atmosphere of minus 40 degrees Celsius or less.

The crusher 2310 may perform crushing on the sludge after the freezing treatment step after the freezing treatment for the sludge in the freezing treatment region 2120.

In some embodiments, the sludge is taken out from the freezing treatment region 2120 in the take-out direction OT in the crushing unit 2310 direction. For example, the sludge may be transferred in the crushing unit 2310 direction through the take-out transfer unit 2122. .

For example, the transfer unit 2122 may include a roller, a conveyor, or other member to transfer the sludge toward the crush unit 231.

When the freezing treatment for sludge is performed in the freezing treatment region 2120, at least one region, a plurality of regions, or a whole region of the sludge may be frozen and the crushing unit 2310 may be solidified. It can be broken up into a plurality of chunks of appropriate size.

The crushing unit 2310 may use various apparatuses, and may include, for example, a crushing roll.

As an optional embodiment the shredding 2310 may comprise various devices that exert a strong pressure on the sludge, for example may comprise one or more hammers, and may comprise corresponding stages corresponding to the hammer and the sludge. .

The drying unit 2540 may be formed to perform a drying process for the sludge after the crushing unit 2310 is crushed.

The drying unit 2540 may be formed to perform a heat treatment on the sludge.

Optionally, the suction unit 2520 may be included, and the suction unit 2520 may be crushed to suck up the sludge and scatter the sludge. The suction unit 2520 may easily suck the sludge by proceeding through the freezing unit and processing through the crush unit.

The drying unit 2540 is formed to be connected to the suction unit 2520, and hot air is provided in at least one region, and the sludge sucked through the suction unit 2520 passes through the drying unit 2540 having the same shape as the airflow space. The drying treatment may proceed while in contact with.

In some embodiments, the discharge unit 2560 may be connected to the drying unit 2540 and the sludge discharged through the drying unit 2540 may be discharged.

The sludge dried by the drying unit 2540 may be transferred to the receiving unit 2570 in the delivery direction.

The sludge delivered to the receptacle 2570 may be prepared to prepare for subsequent processing, disposal or delivery.

The sludge treatment system of this embodiment may include a freezing unit, and the sludge treatment may be freeze processed in the freezing unit. As a result, the sludge may solidify at least one region, a plurality of regions, or the entire region. The sludge solidified in at least one region which has undergone the freezing treatment of the freezing unit may be subjected to a crushing process using a crushing unit, and the solidified lumps may be dispersed and dispersed in a large area as they become smaller and smaller.

The solidified sludge subjected to such a crushing treatment may increase the surface area to increase the area in contact with the air, thereby facilitating the drying treatment process during the drying treatment through the drying unit, thereby reducing the drying treatment time.

This can reduce power consumption and cost as well as time for sludge treatment.

As a result, the sludge taken from waste water or sewage can be treated to obtain a treated water-controlled product in an easy-to-handle form.

As an optional embodiment, the sludge that has been efficiently dried can be easily used in construction sites and other necessary places.

In addition, the sludge may be treated in a freezing treatment region connected to the freezing unit, and the freezing treatment region may be distinguished from at least one region from an external space, and in some embodiments, a housing may be formed to surround the freezing treatment region to freeze the sludge. The freezing treatment in the treatment region can be efficiently performed.

On the other hand, during the drying treatment for the sludge through the drying unit, the sludge is sucked and passed through the air stream while the drying proceeds to effectively dry the sludge can proceed.

13 is a view schematically showing a freezing section of a sludge treatment system according to another embodiment of the present invention.

Referring to FIG. 13, the sludge treatment system of the present embodiment may include a freezing unit 3110, a freezing treatment region 3120, one or more moving modules 3151, and one or more shredding modules 3160.

The freezing unit 3110 may proceed with the freezing treatment step for the sludge.

The freezing treatment region 3120 may be connected to the freezing unit 3110, and may form a process atmosphere of the freezing treatment region 3120 in an atmosphere of 0 degrees Celsius or less using the freezing unit 3110.

In addition, the freezing treatment region 3120 may include moving modules 3151 and 3154 to be freezing treatment while moving to at least one region of the sludge.

When the sludge is moved through the moving module 3151, the sludge may undergo a freezing treatment, and the freezing may be performed while moving to improve the overall and uniform freezing characteristics of the sludge.

Sludge may be supplied into the freezing treatment region 3120 through the inlet portion 3121 in the input direction IN, freezing treatment for the sludge may be performed in the freezing treatment region 3120, and a moving module 3151 may be used. After moving through, the shredding process may be performed using the shredding module 3160.

After passing through the shredding module 3160, the sludge that has been frozen while moving through the moving module 3154 may have high uniformity through movement, and may be evenly distributed to improve distribution.

The sludge moved through the moving module 3154 may be taken out to the outlet 3122 through the takeout and transfer part 3190 and transferred in the direction of the crushing part.

For example, the takeout and transfer section 3190 may include a roller, a conveyor, or other member to transfer the sludge in the direction of the crushing section.

The takeout and transfer part 3190 may include one or more housings, and may receive sludge through the injection part 3331.

As an optional embodiment, the takeout and transfer section 3190 may include a vibration module that facilitates dispersion to sludge.

14 is a view schematically showing a freezing unit of the sludge treatment system according to another embodiment of the present invention.

Referring to FIG. 14, the sludge treatment system of the present embodiment may include a freezing unit 4110, a freezing treatment region 4120, one or more moving modules 4141, and one or more shredding modules 4411.

Before proceeding with the freezing treatment step for the sludge may be a preliminary treatment using the preliminary processing unit 4001. The pretreatment may include performing physical treatment for the sludge, for example, crushing treatment, and as a specific example, the pretreatment unit 4001 may include one or more roll mills.

In an alternative embodiment, this pretreatment 4001 may include various devices that apply compressive, shear, tensile, or frictional forces to the sludge.

The freezing unit 4110 may proceed with the freezing treatment step for the sludge.

The freezing treatment region 4120 may be connected to the freezing unit 4110, and may form a process atmosphere of the freezing treatment region 4120 in an atmosphere of 0 degrees Celsius or less using the freezing unit 4110.

Optionally, one or more air blowing members 4130 may be included in the freezing treatment region 4120, thereby creating an overall freezing atmosphere for the freezing treatment region 4120.

In addition, the freezing treatment region 4120 may include moving modules 4415, 4152, and 4153 to be freezing treatment while moving to at least one region of the sludge.

When the sludge is moved through the moving module 4141, the sludge may proceed with the freezing treatment, and the freezing may be performed while moving to improve the overall and uniform freezing characteristics of the sludge.

Sludge can be supplied into the freezing treatment region 4120 through the inlet portion 4121 in the input direction IN, a freezing treatment for sludge can be performed in the freezing treatment region 4120, and a moving module 4415. After moving through the shredding module 4141, the shredding process may be performed.

Optionally, after moving through the moving module 4141 and before passing to the shredding module 4141, it may be further passed through the moving module 4142 to improve the uniformity of the placement of the sludge, and optionally the moving module 4141. The arrangement of sludge may be more even by changing the direction of movement through) and the direction of movement through the movement module 4152.

After passing through the shredding module 4141, the sludge that has been frozen while moving through the moving module 4415 may be increased in overall uniformity through movement, and may be evenly distributed to improve distribution.

As an optional embodiment, additional crushing may be performed through the crushing module 4422 after the movement through the moving module 4415, thereby effectively crushing the sludge during the freezing treatment.

The sludge that has undergone crushing through the crushing module 4422 can be taken out to the outlet 4122 through the take-out conveying portion 4190 to be conveyed in the direction of the crushing portion.

For example, the takeout and transfer section 4190 may include a roller, a conveyor, or other member to convey the sludge in the direction of the crushing section.

The takeout and transfer part 4190 may include one or more housings, and may receive sludge through the injection part 4191.

As an alternative embodiment, the blower feeder 4190 may include a vibration module that facilitates dispersal to sludge.

15 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.

Referring to FIG. 15, the sludge treatment system 5000 of the present exemplary embodiment may include a freezing unit 5110, a crush unit 5310, and a drying unit 5510.

The sludge treatment system 5000 according to the present embodiment is a system for treating sludge S, and may include treating sludge S containing moisture.

The sludge treatment system 5000 may treat various sludges S, for example, may include sludge S collected from a reservoir for storing sewage, waste water or dirt, or a treatment plant for treating them.

In an alternative embodiment, the sludge treatment system 5000 may treat sludge S including agglomerated materials. For example, such sludge S may contain a polymer as a flocculating material for flocculating the sludge.

As an alternative embodiment, the sludge S may have a water content of 50 to 90 percent, for example 60 to 90, specifically 80 percent, using such a polymer flocculating material.

The freezing unit 5110 may proceed with the freezing treatment step for the sludge.

In some embodiments, the preliminary treatment using the preliminary treatment unit 5001 may be performed before the freezing treatment step through the freezing unit 5110 for the sludge. The preliminary treatment may include performing a physical treatment for the sludge, for example, a crushing treatment, and as a specific example, the preliminary treatment unit 5001 may include one or more roll mills.

As an alternative embodiment, such pretreatment 5001 may include various devices that exert compressive, shear, tensile or frictional forces on the sludge.

Also, as an optional embodiment, an injection device 5003 may be included to deliver sludge S to the pretreatment 5001, and the injection device 5003 may include a conveyor, for example a screw conveyor. can do.

The freezing unit 5110 may perform the freezing treatment for the sludge so that at least one region of the sludge may be frozen and solidified.

In some embodiments, the freezing unit 5110 may include a freezer for supplying or delivering cold air.

In some embodiments, the freezing unit 5110 may include a freezing treatment region 5120 for freezing the sludge.

After the sludge has passed through the preliminary treatment section 5001, the sludge may be supplied into the freezing treatment region 5120 through the inlet portion 5121 in the input direction IN, and the freezing treatment for the sludge in the freezing treatment region 5120 may be performed. Can proceed.

As an optional embodiment, after passing through the preliminary processing unit 5001, the preliminary transporting unit 5002 may be transferred, and the preliminary transporting unit 5002 may include one or more rolls or conveyors.

The freezing unit 5110 may proceed with the freezing treatment step for the sludge.

The freezing treatment region 5120 may be connected to the freezing unit 5110, and the process atmosphere of the freezing treatment region 5120 may be formed in an atmosphere of 0 degrees Celsius or less using the freezing unit 5110.

In addition, the freezing treatment region 5120 may include moving modules 5151 and 3154 to be freezing treatment while moving to at least one region of the sludge.

When the sludge is moved through the moving module 5151, the sludge may proceed with the freezing treatment, and the freezing may be performed while moving to improve the overall and uniform freezing characteristics of the sludge.

Sludge may be supplied into the freezing treatment region 5120 in the input direction through the inlet portion 5121, and freezing treatment for the sludge may be performed in the freezing treatment region 5120, using the shredding module 5160. The crushing process can proceed.

After passing through the shredding module 5160, the sludge that has been frozen while moving through the moving module 5180 may have high uniformity through movement, and may be evenly distributed to improve distribution.

The sludge moved through the moving module 5180 may be taken out to the outlet 5122 through the take-out transfer unit 5190 and transferred in the direction of the crushing unit.

For example, the take-out and transport unit 5190 may include a roller, a conveyor, or other member to transport the sludge in the crushing direction.

As an optional embodiment, the takeout and transfer part 5190 may include a screw conveyor type.

The takeout and transfer part 5190 may include one or more housings, and may receive sludge through the injection part 5181.

As an optional embodiment, the takeout and transport unit 5190 may include a vibration module that facilitates dispersion to sludge.

The crushing unit 5310 may perform crushing on the sludge after the freezing treatment step after the freezing treatment on the sludge in the freezing treatment region 5120.

When the freezing treatment for sludge is performed in the freezing treatment region 5120, at least one region, a plurality of regions, or the entire region of the sludge may be frozen and the crushing unit 5310 may be solidified. It can be broken up into a plurality of chunks of appropriate size.

The crushing unit 5310 may use various apparatuses, and may include, for example, a crushing roll.

As an optional embodiment, the shredded portion 5310 may include a variety of devices that exert a strong pressure on the sludge, for example may include one or more hammers, and may include corresponding stages corresponding to the hammer and sludge. .

The drying unit 5510 may be formed to perform a drying process for the sludge after the crushing unit 5310 is crushed.

In some embodiments, the drying unit 5510 may be formed to perform a heat treatment on the sludge.

For example, the drying unit 5510 may be formed to provide high temperature hot air to the sludge, and may include a hot air injecting unit as a specific example, and may include a hot air diffusing unit as an optional embodiment.

In some embodiments, a drying space 5520 may be disposed to face the drying unit 5510 and to place sludge, and may be formed to provide hot air to the drying space.

The drying space 5520 may include a stage form, and may include a stage in which solidified sludge that has undergone crushing treatment may be disposed in a dispersed state.

In some embodiments, when the drying space 5520 receives hot air from the drying part 5510, an exhaust part for exhausting the used hot air may be connected to the drying space 5520.

As an optional embodiment, the drying space 5520 may be formed to be connected to the drying unit 5510, thereby improving thermal efficiency to the drying unit 5510.

In some embodiments, the drying space 5520 may be formed to move during drying in the drying space 5520, and may include a movement member such as a roller.

In some embodiments, the drying unit 5510 may include an airflow drying module. For example, the drying unit 5510 may be formed to allow the sludge that has been crushed through the crushing unit 5310 to pass through the airflow space and to dry while contacting the high temperature airflow in the airflow space.

The sludge dried by the drying unit 5510 may be transferred to the receiving unit 5700 in the delivery direction FT.

Sludge delivered to receptacle 5700 may be prepared to prepare for subsequent processing, disposal or delivery.

Optionally, it may include a collecting part 5630 connected to the drying space 5520 to collect the remaining sludge, and the collecting part 5630 may collect and crush the sludge that is excessively large or the sludge that is not well dried. By passing in the direction of the portion 5310 can be crushed once again, thereby increasing the drying efficiency of the sludge.

The sludge treatment system of this embodiment may include a freezing unit, and the sludge treatment may be freeze processed in the freezing unit. As a result, the sludge may solidify at least one region, a plurality of regions, or the entire region. The sludge solidified in at least one region which has undergone the freezing treatment of the freezing unit may be subjected to a crushing process using a crushing unit, and the solidified lumps may be dispersed and dispersed in a large area as they become smaller and smaller.

The solidified sludge subjected to such a crushing treatment may increase the surface area to increase the area in contact with the air, thereby facilitating the drying treatment process during the drying treatment through the drying unit, thereby reducing the drying treatment time.

In addition, including a collecting part for collecting the remaining sludge that remains granular or large or dry during the drying treatment, it can be crushed through the crushing unit once again to improve the drying efficiency and increase the sludge treatment efficiency characteristics through the sludge treatment system. have.

This can reduce power consumption and cost as well as time for sludge treatment.

As a result, the sludge taken from waste water or sewage can be treated to obtain a treated water-controlled product in an easy-to-handle form.

16 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.

Referring to FIG. 16, the sludge treatment system 6000 according to the present exemplary embodiment is a system for treating sludge S, and may include treating sludge S containing moisture.

The sludge treatment system 6000 may process various sludges S, for example, may include sludge S collected from a reservoir for storing sewage, waste water or dirt, or a treatment plant for treating them.

In some embodiments, the sludge treatment system 6000 may process sludge S including agglomerated materials. For example, such sludge S may contain a polymer as a flocculating material for flocculating the sludge.

As an alternative embodiment, the sludge S may have a water content of 50 to 90 percent, for example 60 to 90, specifically 80 percent, using such a polymer flocculating material.

The freezing unit 6110 may proceed with the freezing treatment step for the sludge.

In some embodiments, the preliminary treatment using the pretreatment units 6001A and 6001B may be performed before the freezing treatment step through the freezing unit 6110 for the sludge. Preliminary treatment may include physical treatment of the sludge, for example, crushing treatment.

As a specific example, the preliminary processing units 6001A and 6001B may include one or more roll mills, and the preliminary processing units 6001A and 6001B may include a rolling roll mill 6001A or a forming roll mill 6001B.

Also, as an optional embodiment, an injection device 6003 may be included to deliver sludge S to the pretreatments 6001A, 6001B, and the injection device 6003 may include a conveyor, for example a screw conveyor. It may include.

The freezing unit 6110 may freeze the sludge so that at least one region of the sludge may be frozen and solidified.

As an optional embodiment, the freezing unit 6110 may include a freezer for supplying or delivering cold air.

As an optional embodiment, the freezing unit 6110 may include a freezing treatment region 6120 for freezing the sludge.

After the sludge has passed through the preliminary treatment part 6001, the sludge may be supplied into the freezing treatment area 6120 through the inlet part 6121 in the input direction IN, and the freezing treatment for the sludge is performed in the freezing treatment area 6120. Can proceed.

As an optional embodiment, after passing through the preliminary processing unit 6001, the preliminary transporting unit 6002 may be transferred, and the preliminary transporting unit 6002 may include one or more rolls or conveyors.

The freezing treatment region 6120 may be connected to the freezing unit 6110, and may form a process atmosphere of the freezing treatment region 6120 into an atmosphere of 0 degrees Celsius or less using the freezing unit 6110.

Optionally, one or more air blowing members 6130 may be included in the freezing treatment region 6120, thereby creating an overall freezing atmosphere for the freezing treatment region 6120.

In addition, the freezing treatment region 6120 may include a moving module (6151, 6152, 6153, 6154, 6155) to be a freezing treatment while moving to at least one area for the sludge.

When the sludge is moved through the moving module 6151, the sludge may proceed with the freezing treatment, and the freezing may be performed while moving to improve the overall and uniform freezing characteristics of the sludge.

Sludge may be supplied into the freezing treatment region 6120 through the inlet portion 6121 in the input direction IN, freezing treatment for the sludge may proceed in the freezing treatment region 6120, and the moving module 6151 may be provided. After moving through the shredding module 6161, the shredding process may be performed.

As an optional embodiment it is possible to further improve the uniformity of the placement of the sludge after passing through the moving module 6161 and further passing through the moving module 6152 before going to the shredding module 6161, and optionally moving module 6161. The direction of movement through the moving module 6152 and the direction of movement through the moving module 6152 can be made more evenly arranged for the sludge.

After passing through the shredding module 6161, the sludge that has been frozen while moving through the moving module 6153 may increase overall uniformity through movement, and may be evenly distributed to improve distribution.

As an optional embodiment, additional shredding may be performed through the shredding module 6162 after moving through the moving module 6153, thereby effectively shredding the sludge during the freezing treatment.

Optionally, after moving through the moving module 6153 and before moving to the shredding module 6162, it may further include a moving module 6164 to improve the uniformity of the sludge placement through the moving module 6164, Optionally, the arrangement of sludges can be made more even by varying the movement direction through the movement module 6153 and the movement direction through the movement module 6164.

 The sludge which has undergone crushing through the shredding module 6162 can be taken out to the outlet 6122 through the takeout and transfer part 6190 to be transported in the direction of the shredding part.

Optionally, movement through the transfer module 6155 to sludge may be made before going to the shredding module 6162.

For example, the moving module 6155 may be inclined, and as an example, an upward movement to help natural dispersion or homogenization of the frozen sludge.

The take-out and transfer part 6190 may have various shapes, and may include a roller, a conveyor, or other member to transfer the sludge in the crushing direction.

The takeout and transfer part 6190 may include one or more housings, and may receive sludge through the injection part 6191.

As an optional embodiment, the takeout and transfer section 6190 may include a vibration module that facilitates dispersal to sludge.

Also, as an optional embodiment, the takeout and transfer part 6190 may include a screw conveyor.

The crushing unit 6310 may crush the sludge after the freezing treatment step after the freezing treatment for the sludge in the freezing treatment region 6120.

When the freezing treatment for sludge is performed in the freezing treatment region 6120, at least one region, a plurality of regions, or the entire region of the sludge may be frozen and the crushing unit 6310 may be solidified. It can be broken up into a plurality of chunks of appropriate size.

The crushing unit 6310 may use various apparatuses, and may include, for example, a crushing roll.

As an optional embodiment the shredded portion 6310 may include a variety of devices that exert a strong pressure on the sludge, for example may comprise one or more hammers, and may include corresponding stages corresponding to the hammer and sludge. .

The drying unit 6510 may be formed to perform a drying process for the sludge after the crushing unit 6310 is crushed.

In some embodiments, the drying unit 6510 may be formed to perform a heat treatment on the sludge.

For example, the drying unit 6510 may be formed to provide high temperature hot air to the sludge, and may include a plurality of hot air injection units 6511, 6512, and 6513 as an example. In some embodiments, the plurality of hot air injectors 6511, 6512, and 6513 may include hot air diffusers.

In some embodiments, the drying unit 6510 may receive a heat source from the high temperature unit ST, for example, a hot air stream.

In addition, as an optional embodiment, the drying unit 6510 may receive a gas such as air from the air unit A.

As a further embodiment, the high temperature heat may be easily transferred from the high temperature part ST or the air part A toward the drying part 6510 by including the drain part DR, and may release unnecessary heat or gas. .

In some embodiments, a drying space 6520 may be disposed to face the drying unit 6510 and to place sludge, and may be formed to provide hot air to the drying space.

The drying space 6520 may include a stage form, and may include a stage in which solidified sludge that has undergone crushing treatment may be disposed in a dispersed state.

As an optional embodiment, the drying space 6520 may be connected to an exhaust part for exhausting the used hot air when the hot air is supplied from the drying part 6510.

As an optional embodiment, the drying space 6520 may include a blocking part 6630 to block heat from at least one region from the outside, and the blocking part 6630 may be formed to be connected to the drying part 6510. In this way, the thermal efficiency of the drying unit 6510 may be improved.

In some embodiments, the blocking part 6630 may be formed to surround the space between the drying space 6520 and the drying part 6510.

In some embodiments, the drying space 6520 may be formed to move during drying in the drying space 6520, and may include a moving member such as a roller.

In some embodiments, the drying unit 6510 may include an airflow drying module. For example, the drying unit 6510 may be formed to allow the sludge which has been crushed through the crushing unit 6310 to pass through the airflow space and to dry while contacting the high temperature airflow in the airflow space.

The dried sludge may be delivered to the receiving part 6700 in the delivery direction through the drying part 6510.

Sludge delivered to receptacle 6700 may be prepared to prepare for subsequent processing, disposal or delivery.

Optionally, it may include a collecting part 6630 connected to the drying space 6520 to collect the remaining sludge, and the collecting part 6630 may be collected by crushing sludge that is too large or poorly dried sludge. By passing in the direction of the portion 6310 can be crushed once again, thereby increasing the drying efficiency of the sludge.

Optionally, the collecting part 6630 may include a collecting part 6610, and the collecting part 6610 may include a plurality of collecting members 6611, 6612, 6613 connected to the drying space 6520. As a specific example, the collecting members 6611, 6612, 6613 may be suction parts by air injection.

In some embodiments, the shredding efficiency of the shredded part 6310 may be improved by cooling when the shredded part 6310 moves to the shredded part 6310 through the collecting part 6630.

The exhaust part 6630 may be further connected to the collecting part 6630 to improve the collecting performance of the collecting part 6630.

The sludge treatment system of this embodiment may include a freezing unit, and the sludge treatment may be freeze processed in the freezing unit. As a result, the sludge may solidify at least one region, a plurality of regions, or the entire region. The sludge solidified in at least one region which has undergone the freezing treatment of the freezing unit may be subjected to a crushing process using a crushing unit, and the solidified lumps may be dispersed and dispersed in a large area as they become smaller and smaller.

The solidified sludge subjected to such a crushing treatment may increase the surface area to increase the area in contact with the air, thereby facilitating the drying treatment process during the drying treatment through the drying unit, thereby reducing the drying treatment time.

During the freezing treatment, at least one shredding module may be disposed in the freezing treatment region to simultaneously perform the freezing treatment and the shredding so that the size of the frozen sludge may be made small and uniform to facilitate the subsequent drying treatment.

In addition, by including one or more moving modules before and after the shredding module in the freezing treatment area, the sludge may be moved simultaneously with the freezing treatment, thereby making it possible to uniformize and downsize the additional sludge by physical force.

In addition, including a collecting part for collecting the remaining sludge that remains granular or large or dry during the drying treatment, it can be crushed through the crushing unit once again to improve the drying efficiency and increase the sludge treatment efficiency characteristics through the sludge treatment system. have.

This can reduce power consumption and cost as well as time for sludge treatment.

As a result, the sludge taken from waste water or sewage can be treated to obtain a treated water-controlled product in an easy-to-handle form.

17 is a view schematically showing a sludge treatment system according to another embodiment of the present invention.

Referring to FIG. 17, the sludge treatment system 7000 of the present embodiment is a system for treating sludge, and may include treating sludge containing moisture.

For convenience of explanation, the following description will focus on differences from the above-described embodiments.

The freezing unit 7110 may proceed with the freezing treatment step for the sludge.

In some embodiments, the preliminary treatment using the pretreatment unit 7001 may be performed before the freezing treatment step through the freezing unit 7110 for the sludge.

As an optional embodiment, the freezing unit 7110 may include a freezing treatment area 7120 for freezing the sludge.

After the sludge has passed through the preliminary treatment portion 7001, it may be supplied into the freezing treatment region 7120 through the inlet portion 7121 in the input direction IN, and the freezing treatment for the sludge in the freezing treatment region 7120 may be performed. Can proceed.

Optionally, one or more air blowing members 7130 may be included in the freezing treatment region 7120, thereby creating an overall freezing atmosphere for the freezing treatment region 7120.

In addition, the freezing treatment region 7120 may include moving modules 7141, 7152, and 7153 to be freezing treatment while moving to at least one region of the sludge.

When the sludge is moved through the moving module 7141, the sludge may proceed with the freezing treatment, and the freezing may be performed while moving to improve the overall and uniform freezing characteristics of the sludge.

After moving through the moving modules 7151 and 7152, the shredding process may be performed using the shredding module 7161.

After passing through the shredding module 7161, the sludge that has been frozen while moving through the moving module 7153 may increase uniformity throughout the movement, and may be evenly distributed to improve distribution.

After the movement through the moving module (7153) can be further shredded through the shredding module 7152, through which the shredding for sludge during the freezing treatment can be effectively carried out.

The sludge which has undergone crushing through the crushing module 7152 may be taken out to the outlet 7122 through the take-out conveying unit 7190 to be conveyed in the crushing direction.

The takeout and transfer part 7190 may include one or more housings, and may receive sludge through the injection part 7171.

As an optional embodiment, the blowout transfer unit 7190 may include a vibration module that facilitates dispersion to sludge.

Also, as an optional embodiment, the takeout and transfer part 7190 may include a screw conveyor.

The crushed sludge extracted from the blowout conveying unit 7190 may be introduced into the hot air flow space 7510 through the inlet portion 7513, and hot air injected from the hot air generation unit 7515 is injected into the hot air flow space 7510. The sludge can be effectively dried in the heat flow space 7510 through.

As an alternative embodiment, the sludge that has passed through the hot air space 7510 may be sucked by the cyclone portion 7520 and collected in the collecting portion 7580.

Also, at this time, the small and light ones may be collected in the dust collector 7530 by the first cyclone portion 7521 or the second cyclone portion 7522. The exhaust unit 7540 may be connected to the dust collecting unit 7530.

The first cyclone portion 7521 and the second cyclone portion 7522 may be formed to suck sludge of different sizes or different weights.

In this embodiment, the sludge that has undergone freezing and crushing may be dried in a hot air flow space through hot air to effectively dry a large amount of sludge in sequence, thereby increasing the speed for sludge treatment by improving drying efficiency. .

In addition, as an optional embodiment, the sludge dried may be collected by suction through a cyclone part, and the sludge may be collected through different treatments for sludges having different sizes after drying by separate dust collection for small or light sludges. It is possible to improve the treatment efficiency and to apply various fields for recycling after sludge drying.

As described above, the present invention has been described with reference to the embodiments illustrated in the drawings, which are merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible. . Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Specific implementations described in the embodiments are examples, and do not limit the scope of the embodiments in any way. In addition, unless specifically mentioned, such as "essential", "important" may not be a necessary component for the application of the present invention.

The use of the terms "the" and the like in the specification of the embodiments (particularly in the claims) and the like may be used in the singular or the plural. In addition, the range is described in the embodiments. Including inventions in which individual values fall within the above ranges (if not stated otherwise) is equivalent to describing each individual value constituting the above range in a detailed description. The steps may be performed in an appropriate order unless there is an explicit description or a contrary order to the steps.The embodiments are not necessarily limited to the description order of the steps. For example, etc. "is merely intended to describe the embodiments in detail and is defined by the claims. Unless otherwise described, the scope of the embodiments is not limited to the above examples or exemplary terms. In addition, one of ordinary skill in the art appreciates that various modifications, combinations and changes can be made depending on design conditions and factors within the scope of the appended claims or equivalents thereof.

100, 1000, 2000, 5000, 6000 ,, 7000: sludge treatment unit
110, 1110, 2110, 3110, 4110, 5110, 6110, 7110: freezer
130, 1130, 2130, 3130, 4130, 5130, 6130,7162: Shredding part
150, 1150, 2150, 3150, 4150, 5150, 6150, 7510: drying section

Claims (13)

As a sludge treatment system,
A freezing unit configured to perform a freezing treatment step for the sludge;
A crushing unit for crushing the sludge after at least the freezing treatment step; And
At least the drying unit for performing a drying treatment for the sludge after the crushing,
The drying unit further includes a movement member for moving the sludge during the drying process for the sludge,
The freezing unit includes a freezer and a freezing treatment region,
The freezing treatment region is formed to be distinguished from the outside and the freezer is formed to provide an atmosphere of freezing for the freezing treatment region, the freezing treatment region includes a space for proceeding the freezing treatment step for the sludge,
In the freezing treatment region, a first moving module configured to move the sludge while the freezing treatment proceeds, a crushing module that performs a crushing process on the sludge moved through the first moving module, and a sludge passed through the crushing module. A sludge treatment system in which a second moving module formed to allow a freezing treatment to proceed while moving is disposed. As a sludge treatment system,
A freezing unit configured to perform a freezing treatment step for the sludge;
A crushing unit for crushing the sludge after at least the freezing treatment step; And
At least the drying unit for performing a drying treatment for the sludge after the crushing,
The drying unit includes a hot air flow space through which the sludge is sucked and passed during the drying process and a collecting unit collecting the sludge through the hot air flow space,
The drying unit includes an inlet for introducing the sludge, the inlet is connected to the hot air flow space,
And the sludge is dried while rising in an upward airflow moving in a direction opposite to the direction of gravity in one region of the space from the inlet to the hot air space. The method of claim 2,
The freezing unit includes a freezer and a freezing treatment region,
And the freezer is configured to provide an atmosphere of freezing for the freezing treatment region, and the freezing treatment region includes a space for performing the freezing treatment step for the sludge. The method according to claim 1 or 2,
And a crushing module for crushing the sludge during the freezing treatment through the freezing section or before the freezing treatment through the freezing section is at least completed. The method according to claim 1 or 2,
The drying unit includes a heat generating unit and a drying space,
The heat generating portion is formed to provide heat to the drying space,
And the drying space is configured to dispose the sludge and receive heat from the heat generating unit so that a drying process for the sludge proceeds. The method according to claim 1 or 2,
The sludge treatment system further comprises one or more preliminary treatment unit for preliminary treatment for the sludge before proceeding to the freezing treatment step through the freezing unit. The method according to claim 1 or 2,
And the sludge comprises sewage or wastewater sludge and comprises a flocculating material for flocculation to the sludge. As a method of treating sludge,
A freezing treatment step formed to proceed with the freezing treatment step for the sludge;
A crushing treatment step of crushing the sludge after the at least the freezing treatment step; And
A drying step of carrying out a drying process for the sludge after the at least the crushing is performed;
The drying step further includes the step of exercising the sludge by using the movement member during the drying process for the sludge,
The freezing treatment step includes performing in the freezing treatment region connected to the freezer,
The freezing treatment region is formed to be distinguished from the outside and the freezer is formed to provide an atmosphere of freezing for the freezing treatment region, the freezing treatment region includes a space for proceeding the freezing treatment step for the sludge,
Allowing the freezing treatment to proceed while moving the sludge using the first moving module in the freezing treatment region, and performing a crushing process using the crushing module with respect to the sludge moved through the first moving module. A sludge processing method comprising the step of allowing the freezing treatment to proceed while the sludge passed through the shredding module to move using the second moving module. As a method of treating sludge,
A freezing treatment step formed to proceed with the freezing treatment step for the sludge;
A crushing treatment step of crushing the sludge after the at least the freezing treatment step; And
A drying step of carrying out a drying process for the sludge after the at least the crushing is performed;
The drying step includes a step of collecting the sludge is sucked through the hot air flow space and collecting the sludge passed through the hot air flow space during the drying process,
The drying step includes the step of introducing the sludge using the inlet, the inlet is connected to the hot air space,
And the sludge is dried while rising in an upward airflow moving in a direction opposite to the direction of gravity in one region of the space from the inlet to the hot air space. The method of claim 9,
The freezing treatment step,
Sludge treatment method comprising the step of moving in at least one area for the sludge during the refrigeration process for the sludge. The method according to claim 8 or 9,
The freezing treatment step further includes a preliminary crushing step of crushing the sludge before at least the freezing treatment is completed. The method according to claim 8 or 9,
And at least one preliminary treatment step of preliminarily treating the sludge before proceeding with the freezing treatment step. The method according to claim 8 or 9,
A sludge preparation step of preparing the sludge before proceeding with the freezing treatment step,
The sludge preparation step comprises the step of preparing a sludge comprising a flocculating material for flocculation to the sludge.

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