KR101357680B1 - Sludge treatment apparatus - Google Patents

Abstract

The present invention relates to an eco-friendly sludge treatment apparatus capable of treating a large amount of sludge in a short time by continuously performing a series of processes of agitating and heating in vacuum to dry wastewater sludge including sewage and foods, etc. containing water above a given ratio, and comprises: a first unit including a main body provided with an inside space of a given size, and a vacuum pump connected with one side of the main body to dry wastewater sludge fed into the inside space by rotation; a second unit to supply to the main body hot water obtained by heating water supplied from outside with frictional forces between water molecules due to a high speed rotation to be provided as a heat source required for drying of the wastewater sludge; a third unit connected with the first unit to generate condensed water by cooling steam discharged from the main body; and a fourth unit connected with the third unit through piping to deodorize the condensed water, and to purify the condensed water by flocculating sludge contained in the condensed water.

Description

Continuous Dry Sludge Treatment Unit {SLUDGE TREATMENT APPARATUS}

The present invention relates to a sludge treatment apparatus, and more particularly, a plurality of wastewater sludge containing sewage and food containing a certain ratio or more, and continuously performing a series of processes of drying by vacuum heating and drying a large amount in a short time. The present invention relates to a sludge treatment apparatus capable of sludge treatment and being environmentally friendly.

Wastewater discharged in proportion to population growth and industrial development also increases proportionally, and the treatment of such wastewater sludge has become a big problem and a challenge not only in urban but also in rural areas.

Therefore, since such waste water sludge contains a large amount of water, the removal of such water can be said to be the key to the efficient treatment of waste water sludge.

Oil or gas is used for the water treatment of the wastewater sludge, but the energy efficiency through the fossil fuel is very low, and therefore, a huge cost is required for the treatment of the wastewater sludge.

In addition, the conventional wastewater sludge treatment apparatus must continuously process the wastewater generated after drying the wastewater sludge, but the apparatus for continuously processing such a series of drying and wastewater treatment has a high cost of installation and construction. There was.

Patent Publication No. 10-2001-0086505 Patent Publication No. 10-2013-0031001

The present invention has been invented to improve the above problems, and in order to dry a lot of sludge at a low cost, organic sludge is continuously added in minutes and vacuum dried with a small amount of heat to treat a large amount of organic sludge in a short time. The condensed waste water is purified to provide an environmentally friendly sludge treatment apparatus.

In order to achieve the above object, the present invention includes a main body having an internal space of a predetermined size, and a vacuum pump connected to one side of the main body to maintain the internal space in a vacuum, A first unit rotating and drying the wastewater sludge; A second unit for supplying hot water obtained by rotating water introduced from the outside at a high speed to be heated by frictional force between water molecules to the main body to provide a heat source for drying the wastewater sludge; A third unit connected to the first unit by piping and cooling the steam discharged from the main body to generate condensed water; And a fourth unit connected to a pipe connected to the third unit to deodorize the condensate, and to aggregate the sludge contained in the condensate to purify the condensate.

The first unit may include a first vacuum valve installed at an input port provided at an upper portion of the main body, a second vacuum valve provided at a discharge port provided at a lower part of the main body, and the first and second vacuums. When the first vacuum valve is opened and the wastewater sludge is introduced into the internal space, the pipe is connected to the valve and maintains a vacuum around the inlet port and the pipe connected to the inlet port, or the second vacuum valve is opened. And an auxiliary vacuum pump for maintaining a vacuum around the pipe connected to the discharge port and the discharge port when the wastewater sludge dried from the internal space is discharged, and connected to the third unit, respectively, And it characterized in that it comprises a plurality of steam discharge port provided on the side.

At this time, the steam discharge port provided on the side of the main body of the plurality of steam discharge port is characterized in that the pipe is inclined upward with respect to the side of the main body.

The first unit may include a rotary shaft embedded in the inner space in a vertical length direction of the main body, a rotary motor provided at a lower portion of the main body and connected to a lower end of the rotary shaft, and a vertical length direction of the internal space. A plurality of trays spaced apart from each other, through which the rotary shaft penetrates, and the wastewater sludge introduced through an input port provided at an upper portion of the main body, and extends perpendicularly to the rotary shaft from an outer circumferential surface of the rotary shaft; It is disposed on the upper surface of each of the plurality of trays, the stirring blade which is integrally rotated with the rotary shaft, connected to each of the plurality of trays, one end is coupled to the rotary shaft and rotated to the discharge port side provided in the lower portion of the main body It characterized in that it comprises a conveying screw for conveying the dried waste water sludge .

The second unit includes a reservoir tank for receiving water introduced from the outside, a drive motor, a speed reducer connected to a drive shaft of the drive motor, and a water molecule of water stored in the reservoir tank, connected to the speed reducer. A heat generation engine for heating the water by generating friction force between water molecules, a circulation pipe connecting the heat generation engine and the reservoir tank, a water discharge pipe connecting the reservoir tank and the first unit to each other; And a heat return pump connected to the first unit and the reservoir tank, and a heat exchange pump mounted on the water discharge pipe and transferring the water heated in the reservoir tank to the first unit side.

The third unit may include a condenser including a steam discharge pipe through which steam discharged from an upper side of the first unit flows, and a plurality of condensation pipes connected to the steam discharge pipe and penetrating both ends in a vertical direction; And a condensate tank mounted at a lower end of the condenser and accommodating the condensate generated by cooling and condensing the steam, and a condensate discharge pipe interconnecting the condensate tank and the fourth unit.

The fourth unit is connected to a condensate discharge pipe from which the condensate is discharged from the third unit, a deodorant adjusting assembly which inputs a deodorant and agitates for pH adjustment, and is connected to the deodorizing adjusting assembly and connected to a flocculant. It is characterized in that it comprises a stirring settling assembly which is carried out a plurality of times to add and stir and precipitate the sludge contained in the condensate.

In addition, the deodorization control assembly is connected to the condensate discharge pipe, the first tank is connected to the stirring precipitation assembly, and is mounted on the lower end of the first dosing tank mounted on the upper side of the first tank, Deodorant automatic injection valve for discharging the deodorant contained in the first dosing tank to the first tank side, a first stirring motor mounted on the upper side of the first tank, the first stirring motor connected to the first tank And a first stirring blade extending from both sides of an end portion of the drive shaft embedded in the agitating condensate into which the deodorant is introduced.

The stirred precipitation assembly may include a second tank connected to an intermediate treatment water discharge pipe which is deodorized from the first tank of the deodorization control assembly and discharged pH adjusted condensate (hereinafter referred to as 'intermediate treatment water'), and the second tank. A first deodorant automatic injection valve for discharging an ion flocculant contained in the second dosing tank mounted on the upper side of the tank to the second tank side, a second stirring motor mounted on the upper side of the second tank, and the first 2 stir blades which are connected to a stirring motor and extend from both ends of an end portion of the drive shaft embedded in the second tank to stir the intermediate treated water into which the ion flocculant is introduced, and is connected to the second tank and connected to the second tank. The intermediate treatment water discharged from the housing is accommodated, and a third tank having a first discharge hopper disposed below, and connected to the third tank and discharged from the third tank. A fourth tank accommodating the intermediate water, a third agitating motor mounted on an upper side of the fourth tank, and a third agitating motor connected to the third agitating motor and extending from both sides of an end portion of a driving shaft embedded in the fourth tank; A third stirring vane for stirring intermediate treated water, a fifth tank connected to the fourth tank to receive the intermediate treated water discharged from the fourth tank, and a third mounted on an upper side of the fifth tank A second deodorant automatic injection valve for discharging a predetermined amount of the ion flocculant contained in the dosing tank to the fifth tank side, a fourth stirring motor mounted on an upper side of the fifth tank, and a fourth stirring motor connected to the fifth stirring motor A fourth stirring blade extending from both sides of an end portion of the drive shaft embedded in the tank to agitate the intermediate treated water into which the ion flocculant is introduced, and connected to the fifth tank in an The discharged sludge discharged from the fifth tank is accommodated, the sixth tank having a second discharge hopper disposed below and the lower end of the first discharge hopper and the second discharge hopper, respectively. It is characterized in that it comprises a solenoid valve that is opened and closed to enable, and the flow pipe is provided on one side of the upper portion of the sixth tank to form a flow path to discharge a certain amount overflowed with the intermediate treatment water.

In addition, the stirred precipitation assembly is an activated carbon tank connected to an intermediate treated water transfer motor mounted on an intermediate treated water discharge pipe connected to the flow pipe, and connected to an end of the intermediate treated water discharge pipe, and filled with activated carbon therein. And a final treated water discharge pipe connected to the activated carbon tank and finally discharged from the intermediate treated water (hereinafter, 'final treated water') filtered and adsorbed.

According to the present invention having the above-described configuration, the following effects can be achieved.

First, the present invention is the first unit vacuum-dried waste water sludge having a high moisture content, the heat source is supplied by a second unit using heat generated by the frictional force of the water molecules according to the high-speed rotation, the third unit is dried By cooling the steam discharged from the wastewater sludge to produce condensate, and the fourth unit purifies the condensate to the level that can be discharged to the stream, it is possible to continuously carry out a series of treatment processes such as drying the wastewater sludge and treating the condensate, A large amount of wastewater sludge can be processed quickly and efficiently.

In particular, the present invention employs a second unit that heats the water by the frictional force of the water molecules due to the high speed rotation, and therefore, it can contribute to resource saving in that the entire system can be operated with relatively low energy costs.

1 is a conceptual diagram showing the overall configuration of the sludge treatment apparatus according to an embodiment of the present invention
2 is a conceptual diagram showing the overall configuration of a first unit which is a main part of a sludge treatment apparatus according to an embodiment of the present invention;
3 is a conceptual diagram showing the overall configuration of a second unit which is a main part of a sludge treatment apparatus according to an embodiment of the present invention;
4 is a conceptual diagram showing the overall configuration of a third unit which is a main part of a sludge treatment apparatus according to an embodiment of the present invention;
5 is a conceptual diagram showing the overall configuration of a fourth unit which is a main part of a sludge treatment apparatus according to an embodiment of the present invention;

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings.

However, the present invention is not limited to the embodiments described below, but may be embodied in various other forms.

The present embodiments are provided so that the disclosure of the present invention is thoroughly disclosed and that those skilled in the art will fully understand the scope of the present invention.

And the present invention is only defined by the scope of the claims.

Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention.

In addition, throughout the specification, like reference numerals refer to like elements, and the terms (mentioned) used herein are intended to illustrate the embodiments and not to limit the invention.

In this specification, the singular forms include plural forms unless the context clearly dictates otherwise, and the constituents and acts referred to as " comprising (or comprising) " do not exclude the presence or addition of one or more other constituents and actions .

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs.

Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a conceptual diagram showing the overall configuration of the sludge treatment apparatus according to an embodiment of the present invention.

The present invention shows that the first unit 1 dries waste water sludge as shown, the second unit 2 provides a heat source to this first unit 1, and the third unit 3 generates condensate. And, it can be seen that the fourth unit 4 is a structure for purifying the condensed water discharged from the third unit (3).

The first unit 1 includes a main body 10 having an internal space of a predetermined size, and a vacuum pump 1a connected to one side of the main body 10 to maintain an internal space in a vacuum, and to the internal space. The wastewater sludge introduced is spun and dried.

The second unit 2 supplies hot water obtained by rotating the water introduced from the outside at high speed and heated by frictional force between water molecules to the main body 10 to provide the heat source for drying the wastewater sludge.

The third unit 3 is connected to the first unit 1 by piping to cool the steam discharged from the main body 10 to generate condensed water.

The fourth unit 4 is connected to the third unit 3 in a pipeline to deodorize the condensate, and to aggregate the sludge contained in the condensate to purify the condensate.

Accordingly, the present invention can continuously and rapidly mass process a series of processes for drying wastewater sludge contained in food or sewage having a water content of about 80% and purifying the discharged condensate as described above. It is possible to provide a friendly and reliable system.

It is to be understood that the present invention may be embodied in many other specific forms without departing from the spirit or scope of the invention.

First, Figure 2 is a conceptual diagram showing the overall configuration of the first unit, which is the main part of the sludge treatment apparatus according to an embodiment of the present invention.

As described above, the first unit 1 is for heating and drying waste water sludge in a vacuum state. The first and second vacuum valves 11v and 12v, the auxiliary vacuum pump 13, and the steam discharge port 14 It can be seen that the structure including).

The first vacuum valve 11v is installed in the inlet port 11 provided in the upper part of the main body 10, and the second vacuum valve 12v is installed in the discharge port 12 provided in the lower part of the main body 10. The waste water sludge having a high moisture content is introduced, and air is introduced from the outside in the process of being discharged, thereby preventing the vacuum holding state by the vacuum pump 1a from being broken together with the auxiliary vacuum pump 13 which will be described later.

The auxiliary vacuum pump 13 is connected to the first and second vacuum valves 11v and 12v and piped, and the input port 11 and the input port when the first vacuum valve 11v is opened to introduce wastewater sludge into the internal space. It is to maintain the vacuum around the pipe connected to (11).

That is, the operation of the auxiliary vacuum pump 13 does not interfere with the maintenance of the vacuum state by the vacuum pump 1a when the first vacuum valve 11v is opened so that waste water sludge is introduced. This is to avoid.

In addition, the auxiliary vacuum pump 13 maintains the vacuum around the pipe connected to the discharge port 12 and the discharge port 12 when the second vacuum valve 12v is opened to discharge the dried wastewater sludge from the internal space. It is.

That is, the operation of the auxiliary vacuum pump 13 prevents the internal space of the main body 10 from maintaining the vacuum state by the vacuum pump 1a when the second vacuum valve 12v is opened so that the dried wastewater sludge is discharged. This is to avoid giving.

The plurality of vapor discharge ports 14 are connected to the third unit 3 by pipes, respectively, and are provided on the upper and side surfaces of the main body 10.

Among the plurality of steam discharge ports 14, the steam discharge ports 14 provided on the side of the main body 10 may be connected to be inclined upwardly with respect to the side of the main body 10 due to the rise of the vapor, which is a gas.

In addition, the first unit 1 transports the rotating shaft 15s, the rotating motor 15m, the tray 15t, the stirring vane 15w, and the like so that the wastewater sludge introduced into the inner space of the main body 10 can be uniformly dried. Of course, the embodiment of the structure including the screw (not shown) can be applied.

The rotating shaft 15s is embedded in the inner space in the vertical direction of the main body 10 so as to be rotated forward and backward, and the rotating motor 15m is provided below the main body 10 to be connected to the lower end of the rotating shaft 15s. will be.

The plurality of trays 15t are spaced apart along the vertical direction of the inner space, the rotary shaft 15s penetrates through the center, and the wastewater sludge introduced through the input port 11 provided at the upper portion of the main body 10 is disposed. It is to provide space and area.

The stirring blade 15w extends perpendicularly from the outer circumferential surface of the rotating shaft 15s to the rotating shaft 15s, is disposed on the upper surface of each of the plurality of trays 15t, and is a wastewater sludge having a high water content while being integrally rotated with the rotating shaft 15s. While stirring to continuously expose to the internal space environment of the main body 10 being heated in a vacuum state to dry uniformly.

The conveying screw is connected to each of the plurality of trays 15t, and one end portion is geared to rotate with the rotating shaft 15s to convey the waste water sludge dried toward the discharge port 12 provided in the lower portion of the main body 10.

On the other hand, as described above, the second unit 2 provides the first unit 1 with a heat source necessary for heating the wastewater sludge during heating in a vacuum state, and increases the reservoir tank 20 and the drive motor 21. It can be seen that the structure includes the shorthand 21a, the heat generating engine 21e, the circulation pipe 22, the water discharge pipe 23e, the water return pipe 23r, and the heat exchange pump 24.

For reference, Figure 3 is a conceptual diagram showing the overall configuration of the second unit, which is the main part of the sludge treatment apparatus according to an embodiment of the present invention.

The reservoir tank 20 receives water introduced from the outside.

The speed increaser 21a is connected to the drive shaft of the drive motor 21 to increase the rpm of the drive motor 21 by a gear ratio to induce high speed rotation, and the heat generating engine 21e is connected to the speed increaser 21a, The water molecules of the water contained in the reservoir tank 20 are rotated to generate frictional force between the water molecules to heat the water.

Here, the circulation pipe 22 connects the heat generating engine 21e and the reservoir tank 20, and the water discharge pipe 23e connects the reservoir tank 20 and the first unit 1 to each other, and the water return pipe 23r interconnects the first unit 1 and the reservoir tank 20.

Although not specifically illustrated, the heat generating engine 21e is equipped with a plurality of rotary blades along the longitudinal direction of the extension shaft extending from the drive shaft of the drive motor 21 via the speed increaser 21a to the reservoir tank through the circulation pipe 22. While rotating the water introduced from (20) at high speed, thereby generating heat while generating frictional force between the water molecules and the rotor blade.

At this time, the heat exchange pump 24 is mounted on the water discharge pipe 23e and transfers the water heated in the reservoir tank 20 to the first unit 1 side.

Meanwhile, the third unit 3 generates condensate by cooling the steam discharged from the first unit 1 as described above, and the condenser 32, the condensate tank 30, and the condensate discharge pipe 33 are separated. It can be seen that it contains a structure.

For reference, FIG. 4 is a conceptual diagram illustrating the overall configuration of a third unit, which is a main part of a sludge treatment apparatus according to an embodiment of the present invention.

The condenser 32 is connected to the first unit 1, that is, the steam discharge pipe 31 through which steam discharged from the upper side of the main body 10 flows, and a plurality of condensation pipes 32p penetrating both ends in the vertical direction are provided. To be deployed.

The condensate tank 30 is mounted to the lower end of the condenser 32, and receives the condensate generated by cooling and condensing steam.

The condensate discharge pipe 33 interconnects the condensate tank 30 and the fourth unit 4 to form a flow path for transferring the condensate to the fourth unit 4.

On the other hand, as described above, the fourth unit 4 purifies the condensed water discharged from the third unit 3 to a level that can be discharged to the stream, and includes a deodorization adjusting assembly 4a and a stirring precipitation assembly 4b. It can be seen that the structure.

For reference, FIG. 5 is a conceptual diagram illustrating an overall configuration of a fourth unit, which is a main part of a sludge treatment apparatus according to an embodiment of the present invention.

The deodorization adjusting assembly 4a is connected to the condensate discharge pipe 33 through which the condensed water is discharged from the third unit 3, and the deodorant is introduced and stirred for pH adjustment.

The stirring settling assembly 4b is connected to the deodorizing adjusting assembly 4a, and the sludge contained in the condensate is introduced by stirring with a flocculant.

Precipitation is carried out a plurality of times.

The deodorization adjusting assembly 4a is to remove odors of condensate and adjust acidity as described above. The deodorization adjusting assembly 4a, the first tank 40a, the deodorant automatic injection valve (not shown), the first stirring motor 40am and the first It can be seen that the structure includes a stirring blade (40aw).

The first tank 40a is connected to the condensate discharge pipe 33 and is connected to the stirring settling assembly 4b to form a space for temporarily receiving the condensate discharged from the condensate tank 30.

Deodorant automatic injection valve is mounted on the lower end of the first dosing tank 40ad mounted on the upper side of the first tank 40a, the deodorant such as caustic soda contained in the first dosing tank 40ad, the first tank ( To 40a).

The first stirring motor 40am is mounted on one upper side of the first tank 40a.

The first stirring blade 40aw is connected to the first stirring motor 40am and extends from both sides of an end portion of the drive shaft built in the first tank 40a to stir the condensed water into which the deodorant is introduced, so that the deodorant is uniformly mixed with the condensed water. In order to assist the treatment of the condensed water by the stirring precipitation assembly 4b to be described later.

Therefore, pH control is performed by the addition of a certain amount of deodorant such as caustic soda and the rotation of the first stirring blade (40aw).

That is, since most of the substances causing odor are acidic with low pH, odor reduction can be achieved by adding and stirring caustic soda.

In addition, the stirring precipitation assembly 4b is for injecting and stirring the flocculant as described above, and the second tank 40b, the first deodorant automatic injection valve (not shown), and the second stirring motor 40bm are largely used. And a second stirring blade 40bw, a third tank 40c, a fourth tank 40d, a third stirring motor 40dm, a third stirring blade 40dw, and a fifth tank 40e. ), The second deodorant automatic injection valve (not shown), the fourth stirring motor 40em, the fourth stirring vane 40ew, the sixth tank 40f, the solenoid valves 40cv, 40fv, It can be seen that the structure including the flow pipe 40ff.

The second tank 40b is connected to an intermediate treated water discharge pipe 40ae which is deodorized from the first tank 40a of the deodorizing control assembly 4a and discharged pH adjusted condensed water (hereinafter referred to as 'intermediate treated water'). .

The first deodorant automatic injection valve discharges the ion flocculant contained in the second dosing tank 40bd mounted on the upper side of the second tank 40b to the second tank 40b.

The second stirring motor 40bm is mounted on one side of the upper portion of the second tank 40b, and the second stirring vane 40bw is connected to the second stirring motor 40bm so as to be built in the second tank 40b. Stirring the intermediate treatment water which extends from both sides of the end part, and into which the ion flocculant is added.

The third tank 40c is pipe-connected with the second tank 40b to accommodate the intermediate treatment water discharged from the second tank 40b, and has a first discharge hopper 40ch at the bottom thereof.

The fourth tank 40d is connected to the third tank 40c to accommodate the intermediate treated water discharged from the third tank 40c.

The third stirring motor 40dm is mounted on one side of the upper portion of the fourth tank 40d, and the third stirring vane 40dw is connected to the third stirring motor 40dm so as to be built in the fourth tank 40d. It extends from both ends and stirs the intermediate treated water.

The fifth tank 40e is connected to the fourth tank 40d to accommodate the intermediate treated water discharged from the fourth tank 40d.

The second deodorant automatic injection valve discharges the ion flocculant contained in the third dosage tank 40ed mounted on the upper side of the fifth tank 40e to the fifth tank 40e.

The fourth stirring motor 40em is mounted on one upper side of the fifth tank 40e, and the fourth stirring vane 40ew is connected to the fourth stirring motor 40em to form a drive shaft embedded in the fifth tank 40e. Stirring the intermediate treatment water which extends from both sides of the end part, and into which the ion flocculant is added.

The sixth tank 40f is connected to the fifth tank 40e to accommodate the intermediate treatment water discharged from the fifth tank 40e, and the second discharge hopper 40fh is provided below.

The solenoid valves 40cv and 40fv are mounted at the lower end portions of the first discharge hopper 40ch and the second discharge hopper 40fh, respectively, and are opened and closed to allow discharge of precipitated sludge. It is designed to discharge the sludge and other foreign matter precipitated at regular intervals.

The flow pipe 40ff is provided on one side of the upper portion of the sixth tank 40f to form a flow path to discharge a certain amount of the overflowed water.

On the other hand, the stirred precipitation assembly (4b) is not a problem in the discharge in the river with only the configuration as described above, but in addition to this configuration in order to finally filter the intermediate treated water and to adsorb, purify the bacteria or foreign matter to be discharged to the river. It is preferable to further include an intermediate treatment water transfer motor 45, an activated carbon tank 47, and a final treatment water discharge pipe 49.

The treated water transfer motor 45 is mounted on the treated water discharge pipe 40fe connected to the flow pipe 40ff.

Activated carbon tank 47 is connected to the end of the intermediate treatment water discharge pipe (40ae), the activated carbon is filled therein.

The final treated water discharge pipe 49 is connected to the activated carbon tank 47 and finally discharged the intermediate treated water (hereinafter, 'final treated water') that has been filtered and adsorbed.

A series of processes related to the drying of the sludge treatment apparatus and the discharge of condensate purification according to an embodiment of the present invention as described above will be briefly described with reference to FIGS. 1 to 5.

First, when wastewater sludge having a water content of about 80% is introduced into the main body 10, the vacuum pump 1a is operated to make the internal space of the main body 10 in a vacuum state, and the rotating shaft 15s inside the main body 10. Is rotated by receiving the driving force from the rotary motor (15m).

Here, the stirring blade 15w of the rotating shaft 15s rotates in conjunction with the stirring of the rotating shaft 15s, and evenly mixes the wastewater sludge disposed in each of the plurality of trays 15t.

At this time, as the drive motor 21 of the second unit 2 rotates, the heat generating engine 21e connected to the speed increaser 21a causes the water introduced from the outside to rotate at high speed while generating frictional force with the water molecules. The heated water is transferred into the main body 10 and provided as a heat source for drying the wastewater sludge.

Subsequently, the dried wastewater sludge is discharged through the discharge port 12 of the main body 10, and the moisture contained in the wastewater sludge is discharged toward the third unit 3 side in the form of steam while being heated and dried.

Next, the steam discharged from the main body 10 is cooled and condensed while passing through the condenser 32 and stored in the condensate tank 30 in the form of condensed water, and the condensed water is transferred to the first tank 40a.

The condensed water transferred to the first tank 40a is removed by the deodorant such as caustic soda, and stirred with the first stirring blade 40aw to adjust pH, and then the second tanks 40b to 6th. As the sludge or impurities contained in the condensate pass through the tank 40e, they are aggregated and precipitated by the ion flocculant and discharged to the outside and discharged in a purified state.

Here, each stirring motor (40am, 40bm, 40dm, 40em) provided in each of the tank (40a, 40b, 40d, 40e) are each stirring blade (40aw, 40bw, 40dw) while adjusting their rotation speed at high speed or low speed Of course, it is also possible to control the flocculation and sedimentation rate of the sludge or other impurities while varying the number of revolutions of 40ew.

As described above, in order to dry a large amount of sludge at a low cost, the present invention treats a large amount of organic sludge in a short time by continuously injecting organic sludge in a minute unit and vacuum-drying even with a small amount of heat, and purifies the condensed waste water to be environmentally friendly. It can be seen that the basic technical idea is to provide a sludge treatment apparatus.

It will be apparent to those skilled in the art that many other modifications and applications are possible within the scope of the basic technical idea of the present invention.

1st unit
1a ... vacuum pump 10 ... body
11 ... inlet port 11 v ... 1st vacuum valve
12.Exhaust port 12v ... 2nd vacuum valve
13 Auxiliary vacuum pump 14 ... Steam outlet port
15s ... rotary shaft 15m ... rotary motor
15t ... tray 15w ... stirring wings
2nd unit
20 ... Reservoir tank 21 ... Drive motor
21a ... accelerator 21e ... heat engine
22 Circulation piping 23e ... Water discharge piping
23r ... water return piping 24 ... heat exchange pump
3rd unit
30 ... Condensate tank 31 ... Steam exhaust piping
32 ... condenser 32p ... condensation pipe
33.Condensate discharge piping
4th unit
4a ... Deodorization assembly
40a ... first tank 40ad ... first dosing tank
40 ae ... Intermediate water discharge piping 40 am ... 1st stirring motor
40aw ... 1st stirring vane
4b ... Stir Settling Assembly
40b ... 2nd tank 40bd ... 2nd dosing tank
40bm ... 2nd stirring motor 40bw ... 2nd stirring vane
40c ... 3rd tank 40ch ... 1st discharge hopper
40cv ... solenoid valve
40d ... 4th tank 40dm ... 3rd stirring motor
40dw ... 3rd stirring vane 40e ... 5th tank
40ed ... 3rd dosing tank 40em ... 4th stirring motor
40ew ... 4th stirring vane 40f ... 6th tank
40fe ... Intermediate water discharge piping 40fh ... 2nd discharge hopper
40 fv ... Solenoid valve 45 ... Intermediate water feed motor
47.Activated carbon tank 49.Finished water discharge piping

Claims (10)

A first unit including a main body having an internal space of a predetermined size and a vacuum pump connected to one side of the main body to maintain the internal space in a vacuum, and rotating and drying the wastewater sludge introduced into the internal space;
A second unit for supplying hot water obtained by rotating water introduced from the outside at a high speed to be heated by frictional force between water molecules to the main body to provide a heat source for drying the wastewater sludge;
A third unit connected to the first unit by piping and cooling the steam discharged from the main body to generate condensate; And
And a fourth unit connected to the third unit and connected to the third unit to deodorize the condensate, and to aggregate the sludge contained in the condensate to purify the condensate.
The first unit includes:
A first vacuum valve installed at an input port provided at an upper portion of the main body;
A second vacuum valve installed at a discharge port provided at a lower portion of the main body;
When the first vacuum valve is connected to the pipe and the first vacuum valve is opened and the wastewater sludge is introduced into the internal space, the input port and the pipe surroundings connected to the input port are maintained in a vacuum state, or An auxiliary vacuum pump for maintaining a vacuum around the discharge port and the pipe connected to the discharge port when a second vacuum valve is opened to discharge the wastewater sludge dried from the internal space;
Sludge treatment apparatus characterized in that the pipe is connected to the third unit, respectively, and a plurality of steam discharge ports provided on the upper side and the side of the main body.
delete The method according to claim 1,
Sludge treatment apparatus characterized in that the steam discharge port provided on the side of the main body of the plurality of steam discharge ports are piped inclined upward with respect to the side of the main body.
The method according to claim 1,
The first unit includes:
A rotating shaft embedded in the inner space in the vertical length direction of the main body;
A rotary motor provided at a lower portion of the main body and connected to a lower end of the rotary shaft;
A plurality of trays spaced apart along the vertical length of the inner space, the rotary shaft penetrating through a central portion thereof, and the wastewater sludge introduced through an input port provided at an upper portion of the main body;
A stirring blade extending perpendicularly from the outer circumferential surface of the rotating shaft, disposed on an upper surface of each of the plurality of trays, and rotating integrally with the rotating shaft;
Sludge processing apparatus is connected to each of the plurality of trays, one end portion is gear coupled to the rotary shaft and rotates to convey the waste water sludge dried to the discharge port side provided in the lower portion of the main body sludge processing apparatus, characterized in that.
The method according to claim 1,
The second unit comprising:
A reservoir tank for receiving water introduced from the outside;
A drive motor,
An increaser connected to a drive shaft of the drive motor;
A heat generation engine connected to the speed increaser and rotating the water molecules of the water contained in the reservoir tank to generate frictional force between the water molecules to heat the water;
A circulation pipe connecting the heat generating engine and the reservoir tank;
A water discharge pipe connecting the reservoir tank and the first unit to each other;
A water return pipe connecting the first unit and the reservoir tank to each other;
And a heat exchange pump mounted on the water discharge pipe and transferring the heated water in the reservoir tank to the first unit side.
The method according to claim 1,
The third unit,
A steam discharge pipe through which steam discharged from an upper side of the first unit flows;
A condenser connected to the steam discharge pipe and having a plurality of condensation pipes penetrating both ends in a vertical direction;
A condensate tank mounted at a lower end of the condenser and accommodating condensate generated by cooling and condensing the steam;
And a condensate discharge pipe connecting the condensate tank and the fourth unit to each other.
The method according to claim 1,
The fourth unit,
A deodorization adjusting assembly connected to the condensate discharge pipe through which the condensed water is discharged from the third unit, and inputting a deodorant and agitating for pH adjustment;
And a stirring settling assembly which is connected to the deodorization adjusting assembly and connected to the pipe, and stirs a flocculating agent, and stirs the sludge contained in the condensate.
The method of claim 7,
The deodorizing adjustment assembly,
A first tank connected to the condensate discharge pipe and connected to the stirred precipitation assembly;
A deodorant automatic injection valve mounted on a lower end of the first dosing tank mounted on an upper side of the first tank and discharging the deodorant contained in the first dosing tank to the first tank side;
A first stirring motor mounted on an upper side of the first tank,
And a first stirring vane connected to the first stirring motor and extending from both sides of an end portion of a driving shaft embedded in the first tank to stir the condensed water into which the deodorant is introduced.
The method of claim 7,
The stirring precipitation assembly,
A second tank which is deodorized from the first tank of the deodorization control assembly and connected to an intermediate treatment water discharge pipe through which pH-condensed water (hereinafter referred to as 'intermediate treatment water') is discharged;
A first deodorant automatic injection valve for discharging an ion flocculant contained in a second dosing tank mounted on an upper side of the second tank to the second tank side;
A second stirring motor mounted on an upper side of the second tank,
Second stirring blades connected to the second stirring motor and extending from both sides of an end portion of the drive shaft embedded in the second tank to stir the intermediate treated water into which the ion flocculant is injected;
A third tank connected to the second tank to receive the intermediate treated water discharged from the second tank, and having a first discharge hopper disposed below;
A fourth tank connected to the third tank and accommodating the intermediate treated water discharged from the third tank;
A third stirring motor mounted on an upper side of the fourth tank,
A third stirring blade connected to the third stirring motor and extending from both sides of an end portion of the driving shaft embedded in the fourth tank to stir the intermediate treated water;
A fifth tank connected to the fourth tank to receive the intermediate treated water discharged from the fourth tank;
A second deodorant automatic injection valve for discharging the ion flocculant contained in the third dosing tank mounted on the upper one side of the fifth tank to the fifth tank side;
A fourth stirring motor mounted on an upper side of the fifth tank,
A fourth stirring vane connected to the fourth stirring motor and extending from both sides of an end portion of the driving shaft embedded in the fifth tank to stir the intermediate treated water into which the ion flocculant is injected;
A sixth tank connected to the fifth tank to receive the intermediate treated water discharged from the fifth tank, and having a second discharge hopper below;
A solenoid valve mounted to lower ends of the first discharge hopper and the second discharge hopper, respectively, and opened and closed to allow discharge of precipitated sludge;
Sludge treatment apparatus is provided on the upper side of the sixth tank and comprises an flow pipe to form a flow path to discharge a certain amount overflowing the intermediate treatment water.
The method of claim 9,
The stirring precipitation assembly,
An intermediate treatment water transfer motor mounted on an intermediate treatment water discharge pipe connected to the flow pipe;
An activated carbon tank connected to an end of the intermediate treated water discharge pipe and filled with activated carbon therein;
And a final treated water discharge pipe connected to the activated carbon tank and finally discharged from the intermediate treated water (hereinafter, referred to as 'final treated water').

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