KR102266598B1 - Pressurized deodorizer with excellent moisture removal and deodorization efficiency, and moisture removal of mixed materials - Google Patents

Abstract

An objective of the present invention is to provide a pressurized deodorizer with excellent moisture removal and deodorization efficiency which dries moisture included in a large amount of sewage sludge or sewage sludge mixed with sawdust and wood chips within a short time, prevents carbonization at raw material similar to a heating element during drying, improves dry heat efficiency by removing and exhausting odor of the sewage sludge using pressure generated during a closeness dry procedure, and minimizes moisture content and odor of the fuel bomb, and a moisture removal method of mixed materials in order to improve problems of the related art that a technique of generating fuel bomb through dry and formation by mixing sawdust with sewage sludge does not remove odor generated from the mixed sludge so that bad odor is generated from the fuel bomb and during a procedure of burning the fuel bomb by fuel, it is difficult to dry the sewage sludge with a large amount of sawdust and wood chips within a short time, energy consumption is high necessary for dry, and carbonization is performed at raw material similar to a heating element during drying to reduce overall heat efficiency during manufacturing the fuel bomb at a post process.

Description

A pressurized deodorizer with excellent moisture removal and deodorization efficiency and a method for removing and deodorizing mixed materials through it

In the present invention, without discharging sewage sludge that causes environmental pollution, moisture content of sewage sludge is reduced and odor is minimized while removing moisture and solidifying it through mixing with sawdust to produce fuel coal, which is bio-renewable fuel energy. And, it relates to a pressurized deodorizer with excellent moisture removal and deodorization efficiency that can maximize the energy efficiency of the generated fuel coal, and to a method for removing and deodorizing mixed material moisture through the deodorizer.

A technology for generating fuel coal, which is biorenewable fuel energy, by mixing sewage sludge generated in each process of sewage or wastewater treatment with sawdust and the like has been developed and used.

However, the existing technology that mixes sawdust and wood chips with sewage sludge to create fuel coal through drying and molding alone cannot remove the odor generated from the mixed sewage sludge, so a severe odor is generated not only in the coal itself but also in the process of burning it with fuel. There was a problem that occurred.

In addition, it is difficult to dry sewage sludge mixed with a large amount of sawdust and wood chips in a short period of time, the energy consumption required for drying is large, and carbonization occurs in the raw material near the heating part during drying, so the overall thermal efficiency in manufacturing fuel coal in a later process There was a problem with this falling.

Republic of Korea Patent Publication No. 10-1630818 (2016.06.09.)

In order to solve the above problems, in the present invention, moisture contained in a large amount of sewage sludge or sewage sludge mixed with sawdust or wood chips is dried within a short time, and carbonization of the part close to the heat generating part is prevented during drying, and , the odor of sewage sludge is removed and discharged separately by using the pressure caused by the evaporation of moisture generated in the sealed drying process, thereby improving the drying heat efficiency, and reducing the moisture content and deodorization efficiency to minimize the moisture content and odor of the fuel coal. An object of the present invention is to provide an excellent pressure deodorizer and a method for removing and deodorizing mixed material moisture through it.

In order to solve the above problems, the pressurized deodorizer with excellent moisture removal and deodorization efficiency according to the present invention

It has a hollow cylindrical shape, which accommodates the rotating heating rotating part coupled to the longitudinal central rotation shaft, and receives a driving signal through the control of the smart device application and is mixed with sewage sludge or sawdust or wood chips injected from one direction at the top of the front. A body part of the pressure deodorizer that agitates the sewage sludge and controls it to a set temperature and pressure to deodorize it and remove moisture and discharge it;

It is achieved by being composed of a smart device application that is connected to the main body of the pressurized deodorizer and controls the overall operation, checks the operation information in real time, and delivers real-time information and performs remote control when an error or failure signal occurs during operation. do.

In addition, the mixed material moisture removal and deodorization method through the pressure deodorizer excellent in moisture removal and deodorization efficiency according to the present invention

Sewage sludge or sewage sludge mixed with sawdust or wood chips is put into the inlet in a state in which the input sealing door of the inlet of the pressurized deodorization housing is opened and the exhaust sealing door of the discharge port and the exhaust sealing door of the exhaust port are closed;

automatically sealing each sealing door formed inside the inlet, outlet, and exhaust port of the pressurized deodorization housing, and raising and maintaining the temperature and pressure inside the pressurized deodorization housing to set standard values;

A step of evacuating water vapor, including odors, discharged from sewage sludge due to temperature and pressure rise inside the pressurized deodorization housing, by opening the exhaust sealing door of the exhaust port;

A step of operating an exhaust fan in a state in which the exhaust sealing door of the exhaust port of the pressurized deodorization housing is opened to form a negative pressure inside the pressurized deodorization housing and additionally evacuating the remaining amount of water vapor including odor;

The discharge sealing door of the discharge port of the pressurized deodorization housing is opened, and by rotating the heating rotating part, the sewage sludge that is accommodated in the pressurized deodorization housing and discharged moisture and odor and the sewage sludge mixed with sawdust or wood chips is discharged by pushing it in the moving direction. This is achieved by being composed of steps.

As described above, in the present invention, the moisture contained in the process of drying a large amount of sewage sludge or sewage sludge mixed with sawdust or wood chips is dried within a short time, and carbonization of the part close to the heating part occurs during drying. There is a good effect of improving the drying heat efficiency and minimizing the moisture content and odor of the fuel coals by removing the odor from the sewage sludge and discharging it separately by using the pressure generated during the sealed drying process.

1 is a block diagram showing the overall components of a pressure deodorizer excellent in moisture removal and deodorization efficiency according to the present invention;
2 is a perspective view showing the overall shape of a pressure deodorizer excellent in moisture removal and deodorization efficiency according to the present invention;
3 is an exploded perspective view showing the components of the main body of the pressure deodorizer according to the present invention by disassembling;
4 is a perspective view showing the components of the pressure deodorizing housing according to the present invention and projecting the components formed on the inside;
5 is a partial enlarged view showing an outer housing and an inner housing of the pressure deodorizing housing according to the present invention, in which the inner housing is disassembled, and one side of the inner housing is enlarged;
Figure 6 is a partial enlarged view showing the components of the heating rotating part according to the present invention, showing an enlarged part of one side,
7 is a block diagram showing the overall components of a smart device application according to the present invention;
8 is a block diagram showing the overall components of an automatic control setting unit according to the present invention;
9 is a block diagram sequentially showing a method for removing and deodorizing mixed material moisture through a pressure deodorizer with excellent moisture removal and deodorization efficiency according to the present invention.

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

1 is a block diagram showing the overall components of a pressure deodorizer with excellent moisture removal and deodorization efficiency according to the present invention, which is composed of a pressure deodorizer body portion 100 and a smart device application 200 .

First, the pressure deodorizer body part 100 according to the present invention will be described.

The pressurized deodorizer body part 100 has a hollow cylindrical shape, accommodates a heating rotating part that is coupled to a longitudinal central rotation shaft and rotates, receives a driving signal through the control of a smart device application, and is input from one direction at the top of the front It stirs sewage sludge or sewage sludge mixed with sawdust or wood chips, controls it to set temperature and pressure, deodorizes it, and removes moisture and discharges it.

It is composed of a pressure deodorizing housing 110 , a heating rotating unit 120 , and a control unit 130 .

The pressurized deodorizer housing 110 forms an outer frame of the pressurized deodorizer body and has a hollow cylindrical groove formed therein in the longitudinal direction, and supports the pressurized deodorizer main body as a whole and is supplied with sewage sludge or sawdust or wood chips. It receives and stirs the mixed sewage sludge and controls temperature and pressure to form a space where deodorization is made, which includes a rotation driving motor 111 and a speed reducer 112 .

Here, the rotation driving motor 111 is connected to the control unit by wire or wireless to receive a driving signal and rotate in the forward or reverse direction to transmit the driving force to the mixing blade.

In this case, the input moves from the inlet to the outlet during forward rotation, and the input moves from the outlet to the outlet when rotated in the reverse direction.

In this way, when the humidity inside the pressure deodorization housing does not fall below the set humidity by reciprocating through forward and reverse rotation, the moisture content of the raw material can be minimized by facilitating re-mixing without discharging the raw material.

Here, the reducer 112 is connected to the output shaft of the driving motor to reduce the driving speed, amplify the driving power, and transmit the rotational force to the heating rotating shaft.

In addition, the pressure deodorizing housing 110 according to the present invention has an inlet 113 formed on one side of the front upper end in the longitudinal direction of a cylindrical shape, and an outlet 114 is formed on one side of the rear lower end in the longitudinal direction of the cylindrical shape, One exhaust port 115 is formed on one side of the upper end in the longitudinal direction, and the inner groove of the inlet, outlet, and exhaust port is automatically opened and closed according to the detection signal of the temperature, pressure, and humidity sensor connected to the control unit and the set operation sequence.

It has a temperature sensor, a pressure sensor, and a humidity sensor connected to the control unit on one side of the inside.

Here, the inlet 113 is in the shape of a square hole formed on one side of the front upper end in the longitudinal direction of the pressure deodorizing housing 110, and is connected to the control unit by wire/wireless and an input sealing door 113a that is opened and closed by receiving a driving signal is formed. It serves as a hole for inputting raw materials for sawdust, wood chips, and sewage sludge.

At this time, the input sealing door 113a is formed with a rubber packing and is opened when raw materials of sawdust, wood chips, and sewage sludge are put into the pressurized deodorization housing, and is completely sealed when the internal pressure and temperature of the pressurized deodorization housing are raised. do.

Here, the outlet 114 has a rectangular hole shape formed on one side of the rear lower end in the longitudinal direction of the pressure deodorizing housing 110, and is connected to the control unit by wire/wireless connection and receives a driving signal to open and close the discharge sealing door 114a is formed. It serves as a hole for discharging raw materials of sawdust, wood chips, and sewage sludge.

At this time, the discharge sealing door 114a is formed with a rubber packing and is opened when raw materials of sawdust, wood chips, and sewage sludge are discharged from the inside of the pressurized deodorization housing, and is completely sealed when the internal pressure and temperature of the pressurized deodorization housing are raised. do.

Here, the exhaust port 115 has a circular hole shape formed at regular intervals in the center of the upper end in the longitudinal direction of the pressure deodorizing housing 110, and the exhaust sealing door 115a that is connected to the control unit by wire and wireless and opens and closes by receiving a driving signal. formed, and an exhaust fan 115b is formed on the inner side of the exhaust sealing door to serve as a hole for discharging raw materials of sawdust, wood chips, and sewage sludge.

At this time, the exhaust sealing door 115a is formed with a rubber packing to be completely sealed when the internal pressure and temperature of the pressurized deodorization housing are raised, and is opened when the pressure inside the pressurized deodorization housing is lowered and the temperature is lowered.

In addition, the pressure deodorization housing 110 according to the present invention is made of a double structure of an outer housing 110a and an inner housing 110b, and a front cover through which a rotating shaft rotated by a rotary drive motor passes through the front of the pressure deodorization housing. The frame 110c, the rear cover frame 110c through which the rotation shaft rotated by the rotation driving motor passes through the rear surface of the pressure deodorizing housing is formed.

Here, the outer housing 110a is a hollow cylindrical housing laid down in the horizontal direction, and forms an outer peripheral surface of the pressure deodorizing housing.

Here, the inner housing 110b is a housing of a hollow cylindrical shape laid down in the horizontal direction, which is inserted into the inner surface of the outer housing, and a hot wind induction protrusion frame 110b-1 of a spiral structure along the outer circumferential surface in the longitudinal direction. It protrudes, and the outer circumferential surface of the hot air induction protrusion frame is formed in close contact with the inner circumferential surface of the outer housing.

At this time, the hot air induction protrusion frame 110b-1 is a frame protrudingly coupled to the outer circumferential surface of the inner housing in a spiral structure, and the outer circumferential surface of the protruding frame is formed to be in close contact with the inner circumferential surface of the outer housing. .

This forms a spiral groove along the longitudinal circumferential surface between the outer housing 110a and the inner housing 110b.

Through this, when hot air is supplied between the outer housing 110a and the inner housing 110b, the hot air is spirally rotated along the circumference of the hot air induction protrusion frame 110b-1, and heat is generated around the outer surface of the inner housing. Make sure that the surface temperature of the inner housing rises evenly.

The heating rotating unit 120 is a rotary shaft through-coupled through the center of the longitudinal direction of the deodorizing housing in the longitudinal direction, and a plurality of circular ring-shaped hollow frames in the longitudinal direction along the circumference of the rotating shaft are spaced apart at regular intervals. It consists of a heating rotation shaft 121 , a hot air support rod 122 , and a heat transfer ring frame part 123 .

The heating rotating shaft 121 receives the rotational force of the rotational driving motor in the shape of a rotational shaft penetrating in the front and rear directions in the longitudinal center of the pressurized deodorizing housing and rotates in the forward and reverse directions based on the rotational shaft, and a hollow structure It serves to move high-pressure hot air.

This is supplied to a plurality of hot air support rods 122 and heat transfer ring frame part 123 formed at regular intervals in which high-temperature and high-pressure hot air introduced into the longitudinal front side of the pressure deodorizing housing is supplied to the outside through the longitudinal rear side. is emitted

The hot air support rod 122 is spaced at regular intervals along the longitudinal direction with respect to the central axis of the heating rotation shaft, and two rod-shaped hollow frames forming an interval of 30° with respect to the central axis are sequentially 90° in the longitudinal direction. It is formed with a difference in the installation angle of

This transfers high-temperature and high-pressure hot air supplied through the inside of the heating rotating shaft to the inside of the hollow frame to generate heat on its own surface, and serves to transfer the hot air to the heat transfer ring frame part.

Here, the hot air support rod is formed by combining the stirring blade portion (122a) in the shape of a square frame at an angle twisted with respect to the longitudinal direction of the heating rotation shaft at the end.

At this time, the stirring blade 122a raises the sewage sludge located at the lower inner side of the pressurized deodorizing housing or sewage sludge mixed with sawdust or wood chips along the rotational direction when the hot air support rod rotates according to the rotation of the heating rotating shaft and agitating it. do

This allows the plurality of stirring blades to continuously rise in the direction of rotation of the sewage sludge injected into the pressure deodorizing housing or the sewage sludge mixed with sawdust or wood chips in the direction of rotation so as to be evenly mixed so that the whole is evenly heated.

The heat transfer ring frame part 123 is formed by coupling a plurality of ring-shaped frames having diameter sizes spaced apart by regular intervals along the circumference with respect to the central axis of the heating rotation shaft to the hot air support rods spaced apart at regular intervals in the longitudinal direction. .

In this case, the high-temperature, high-pressure hot air of the heating rotating shaft is transferred to the inside of the hollow ring-shaped frame through the hot air support rod, and heat is generated on the surface of itself.

The pressure deodorizer body part 100 according to the present invention is supplied with hot air along the hot air induction protrusion frame of the spiral structure formed between the outer housing 110a and the inner housing 110b, so that the pressure deodorization housing 110 is on the inner circumferential surface. First heating the located sewage sludge or sewage sludge mixed with sawdust or wood chips;

By supplying hot air to the inner front end of the hollow heating rotation shaft 121 formed on the longitudinal central axis of the heating rotation unit 120, the hollow type hot air support rod 122 spaced at regular intervals along the longitudinal direction through the hollow shape By transferring hot air to the inside of the heat transfer ring frame part 123 of the heat transfer ring, the sewage sludge located inside the pressure deodorizing housing or sewage sludge mixed with sawdust or wood chips is heated secondarily.

This is through the pressurized deodorizer body part 110, the heat energy is transferred to the sewage sludge located along the longitudinal circumferential surface of the pressurized deodorization housing or sewage sludge mixed with sawdust or wood chips to heat, and the heating rotating part 120 Secondary heat energy is transferred and heated to sewage sludge located in the longitudinal center of the pressurized deodorization housing or sewage sludge mixed with sawdust or wood chips, so that the heat energy is evenly distributed on the inner peripheral surface and central part of the pressurized deodorizer body. to be transmitted

In this way, the pressure deodorizer body part 100 according to the present invention is the first and second of the sewage sludge or the sewage sludge mixed with sawdust or wood chips injected into the pressurized deodorization housing 110 and the heating and rotating unit 120 . By heating the car to raise the temperature, the contained moisture is discharged in the form of water vapor and the odor is discharged at the same time, thereby increasing the pressure inside the sealed pressurized deodorizing housing due to the generated water vapor.

Through this, the sewage sludge injected into the body of the pressurized deodorizer or the sewage sludge mixed with sawdust or wood chips is heated to a high temperature, and at the same time, a high pressure is formed to reduce the moisture content in a short time and save energy to improve the drying efficiency. At the same time, the odor is minimized and discharged, thereby reducing the generation of odors from fuel coals produced in the later process and maximizing energy efficiency.

The control unit 130 is formed on one side of the outer surface of the pressure deodorization housing, is connected to a temperature and humidity sensor formed inside the pressure deodorization housing to receive sensing information, and a touch screen and a control button are formed to directly control, It plays a role in controlling the heating temperature and rotation speed of the heating rotating part by supporting bi-directional communication to perform dynamic server contents by being network-connected with the smart device application.

Next, the smart device application 200 according to the present invention will be described.

The smart device application 200 is network-connected with the pressure deodorizer body to control the overall operation, check the operation information in real time, and when an error or failure signal occurs during operation, real-time information is transmitted and remote control is performed plays a role

It consists of an integrated management control unit 210 , an automatic control setting unit 220 , a manual control setting unit 230 , and an emergency stop setting unit 240 .

The integrated management control unit 210 is connected to the main body of the pressure deodorizer through Bluetooth and Wifi networks to transmit and receive driving signals, and serves to provide driving setting information and real-time driving information to the manager.

The automatic control setting unit 220 serves to automatically set and control the heating temperature, rotation speed, and rotation direction of the heating rotation unit formed inside the pressure deodorizer body part, which is the automatic pressure control unit 221, temperature automatic control unit. A control unit 222 , an automatic rotation speed control unit 223 , and an automatic rotation direction control unit 224 are included.

Here, the pressure automatic control unit 221 serves to measure the internal pressure of the body of the pressure deodorizer and control so as to automatically increase and decrease the pressure to the set pressure.

In the step-by-step pressurization deodorization process, when the pressure measured through the pressure sensor formed inside the body of the pressure deodorizer rises above the set pressure, the exhaust sealing door of the exhaust port is automatically opened, and the measured pressure drops below the set pressure. In this case, close the exhaust sealing door of the exhaust port to block the discharge of steam generated from the heated sewage sludge or sewage sludge mixed with sawdust or wood chips to increase the internal pressure.

Here, the automatic temperature control unit 222 measures the internal upper temperature and lower temperature of the body of the pressure deodorizer, and serves to control to automatically rise and fall to a set temperature.

This is the supply of hot air supplied to the pressurized deodorization housing 110 and the heating rotating unit 120 when the temperature or pressure measured through the temperature sensor formed inside the pressure deodorizer body unit in the step-by-step pressure deodorization process rises above the set value. When the measured temperature or pressure falls below the set value, hot air is supplied to the pressurized deodorizing housing 110 and the heating and rotating unit 120 to treat sewage sludge or sewage sludge mixed with sawdust or wood chips first, Let it heat up a second time.

Here, the rotation speed automatic control unit 223 sets the rotation speed of the heating rotation unit formed on the central rotation shaft of the pressure deodorizer body part and serves to control the rotation according to the set rotation speed.

In the step-by-step pressurization deodorization process, if the temperature of the sewage sludge injected into the main body of the pressurized deodorizer or the sewage sludge mixed with sawdust or wood chips is overall uneven, the rotation speed of the heating rotating part is automatically increased, and the sewage sludge or If the viscosity of sewage sludge mixed with sawdust or wood chips increases and the rotation of the heating rotating part becomes overloaded, the rotation speed is automatically lowered.

Here, the rotation direction automatic control unit 224 receives a driving signal through a humidity sensor formed on one side of the inner end of the moving direction of the pressure deodorizer body, stops the forward rotation of the heating rotating unit, and changes the rotational direction to reverse rotation. do.

In the step-by-step pressurized deodorization process, the internal humidity is measured through the humidity sensor located inside the pressurized deodorization housing after the steam is generated and discharged due to the heating of the sewage sludge injected into the body of the pressurized deodorizer or the sewage sludge mixed with sawdust or wood chips. Thus, when the humidity is higher than the set humidity, it rotates in the reverse direction to move sewage sludge or sewage sludge mixed with sawdust or wood chips to the inside front to repeatedly perform the pressure deodorization process step by step.

The manual control setting unit 230 serves to manually set and control the heating temperature, rotation speed, and rotation direction of the heating rotating unit formed inside the pressure deodorizer body unit.

The emergency stop setting unit 240 sounds an alarm when the temperature or pressure inside the pressure deodorizer body is higher than the set value, or when the device malfunctions or malfunctions, and delivers a notification message to the manager.

Through this, in case of malfunction due to malfunction or damage of the pressure deodorizer main body, the manager can grasp the driving information in real time, so that the manager can take immediate action, and by blocking the operation, it is possible to secure the safety of the workers and prevent industrial accidents.

Hereinafter, a pressure deodorizer with excellent moisture removal and deodorization efficiency according to the present invention and a method for removing and deodorizing mixed material moisture therethrough will be described.

First, the input sealing door of the pressure deodorizing housing inlet is opened, and in a state in which the exhaust sealing door of the discharge port and the exhaust sealing door of the exhaust port are closed, sewage sludge or sewage sludge mixed with sawdust or wood chips is put into the inlet (S100) .

Next, each sealing door formed on the inside of the inlet, outlet, and exhaust port of the pressure deodorization housing is automatically closed, and the temperature and pressure inside the pressure deodorization housing are raised to a set reference value and maintained (S200).

Next, the water vapor including the bad smell discharged from the sewage sludge due to the increase in temperature and pressure inside the pressurized deodorizing housing is exhausted by opening the exhaust sealing door of the exhaust port (S300).

Next, the exhaust fan is operated in a state in which the exhaust sealing door of the exhaust port of the pressurized deodorization housing is opened to form a negative pressure inside the pressurized deodorization housing, and the residual amount of water vapor including the odor is additionally exhausted (S400).

Next, the discharge sealing door of the discharge port of the pressurized deodorization housing is opened, and the sewage sludge that is accommodated in the pressurized deodorization housing by rotating the heating rotating part and the moisture and odor are discharged and the sewage sludge mixed with sawdust or wood chips is pushed in the moving direction and discharged (S500).

100: pressure deodorizer body part 110: pressure deodorization housing
110a: outer housing 110b: inner housing
111: rotation drive motor 112: reducer
113: inlet 114: outlet
115: exhaust port 120: heating rotating part
121: heating rotation shaft 122: hot air support rod
123: heat transfer ring frame part 130: control unit
200: smart device application 210: integrated management control unit
220: automatic control setting unit 230: manual control setting unit
240: emergency stop setting unit

Claims (9)

It has a hollow cylindrical shape, which accommodates the rotating heating rotating part coupled to the longitudinal central rotation shaft, and receives a driving signal through the control of the smart device application, and is a mixture of sewage sludge or sawdust or wood chips injected from one direction at the top of the front. A pressure deodorizer body part 100 that agitates the sewage sludge and controls it to a set temperature and pressure to deodorize it and remove moisture and discharge it
It is a smart device application 200 that is connected to the main body of the pressurized deodorizer and controls the overall operation, checks the operation information in real time, and transmits real-time information and performs remote control when an error or failure signal occurs during operation. composed,
The pressure deodorizer body part 100 is
It forms the outer frame of the pressurized deodorizer body and has a hollow cylindrical groove on the inside in the longitudinal direction. It supports the pressurized deodorizer body as a whole and accommodates the input sewage sludge or sewage sludge mixed with sawdust or wood chips and stirred. and a pressure deodorizing housing 110 that controls temperature and pressure to form a space in which deodorization is made;
The rotating shaft is coupled through the center of the front and rear sides in the longitudinal direction of the pressure deodorization housing, and a plurality of circular ring-shaped hollow frames in the longitudinal direction along the circumference of the rotating shaft are spaced apart from each other at regular intervals.
It is formed on one side of the outer surface of the pressure deodorization housing, and is connected to the temperature and humidity sensor formed inside the pressure deodorization housing to receive detection information, and a touch screen and control button are formed to directly control it, or connect a smart device application and network In a pressurized deodorizer with excellent moisture removal and deodorization efficiency, comprising a control unit 130 that controls the heating temperature and rotation speed of the heating rotating unit by supporting bidirectional communication to perform dynamic server contents and controlling communication,
The pressure deodorization housing 110 is
An outer housing (110a) of a hollow cylindrical shape laid down in the horizontal direction, which forms an outer circumferential surface of the pressure and deodorizing housing;
A housing of a hollow cylindrical shape laid down in the horizontal direction, which is inserted into the inner surface of the outer housing, and the hot air induction protrusion frame 110b-1 of a spiral structure protrudes along the outer circumferential surface in the longitudinal direction, A pressure deodorizer with excellent moisture removal and deodorization efficiency, characterized in that it has a double structure of the inner housing (110b) formed in close contact with the inner circumferential surface of the outer housing.
delete delete delete delete According to claim 1, wherein the pressure deodorizer body portion 100
The hot air is supplied along the hot air induction protrusion frame of the spiral structure formed between the outer housing and the inner housing to first heat sewage sludge located on the inner peripheral surface of the pressurized deodorizing housing or sewage sludge mixed with sawdust or wood chips,
The hot air is supplied to the inner front end of the hollow heating rotary shaft formed on the longitudinal central axis of the heating rotating part, and the hot air is supplied to the inside of the hollow heat transfer ring frame through the hollow hot air support rods spaced apart at regular intervals along the longitudinal direction. A pressurized deodorizer with excellent water removal and deodorization efficiency, characterized in that it heats the sewage sludge located inside the pressurized deodorization housing or sewage sludge mixed with sawdust or wood chips by transferring it.
delete delete delete

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