KR102541241B1 - A method and apparatus for purifying combustion gases from a crematorium to reduce air pollution - Google Patents

Abstract

The present invention is to provide a method for purifying combustion gas from a crematorium for reducing air pollution, and more specifically, a refractory bogie for transporting a pipe and a pipe transported from the refractory bogie as a refractory bogie transfer device to the main combustion chamber or re-heating An incineration preparation step of transporting the pipe into a combustion device composed of a combustion chamber, a combustion step of burning the pipe transported by the refractory bogie transfer device in the main combustion chamber or the recombustion chamber, and air pollutants in the combustion gas discharged from the combustion device. Equipped with a slaked lime and activated carbon supply unit and a bag filter to remove, and a discharge step of discharging purified gas, wherein in the incineration preparation step, weight measurement made of a load cell to measure the weight of the pipe in the refractory bogie transfer device. A weighing device consisting of a transmission unit for transmitting unit and the measured weight information is provided and further comprises a weighing step of measuring the weight of the pipe, and in the discharge step, according to the weight of the pipe measured by the weight measuring device Setting the input amount of slaked lime and activated carbon in the slaked lime and activated carbon supply unit and introducing only the set input amount through a chemical weight measurement and input device.

Description

A method and apparatus for purifying combustion gases from a crematorium to reduce air pollution}

The present invention relates to a method and apparatus for purifying combustion gas in a crematorium, and to a method and apparatus for purifying combustion gas in a crematorium for reducing air pollution, which enables efficient air emission management of waste gas generated from a combustion device of a crematorium facility. it's about

The cremation incinerator is a furnace facility that supplies the remains by completely incinerating the body of the deceased at a high temperature, that is, the body of the deceased. It is a fact that

There are two types of cremation incinerators, a cart method and a cabinet method, depending on the installation method. In the Orient, the cart method is mainly used.

The general configuration of such a crematorium is an incinerator having primary and secondary combustion furnaces for cremation, a cooling chamber for cooling cremated ashes, and purification of air containing dust generated during cremation in the incinerator. It is classified as a prevention facility that releases into the atmosphere.

Hot air containing fine dust generated when fluids and tubes are incinerated in the primary and secondary furnaces of the incinerator and air containing dust generated during the process of moving and cooling incinerated ashes to the cooling chamber are blown is operated to flow into a damper, cool to a predetermined temperature, and then pass through a prevention facility equipped with a purification device before releasing it into the atmosphere.

In the crematorium structure according to the prior art, dust or various contaminants contained in combustion gas generated during cremation can be removed to some extent while passing through a cooling device and a dust collector, but these harmful substances are not completely removed. Therefore, there is a problem in that a large amount of combustion gas is included in the combustion gas and discharged to the outside as it is.

In particular, the combustion gas includes not only fine dust, but also many types of harmful substances such as carbon monoxide, nitrogen oxides, sulfur oxides, hydrochloric acid, and dioxin. These harmful substances are discharged to the outside without being completely removed, which is Not only does it have a serious impact on air pollution, but it also has a huge impact on human health.

Republic of Korea Patent Registration No. 10-0921977 (Announced on October 14, 2009)

The present invention has been made to solve the above conventional problems, and measures the weight of the coffin including the body, and puts the amount of chemicals that can reduce air pollution according to the measured weight into the combustion gas treatment device to purify it. Its purpose is to prevent atmospheric environmental pollution by discharging the combustion gas in a burnt state into the atmosphere.

Another object of the present invention is to provide a burner combustion gas purification method and apparatus capable of securing an accurate chemical consumption amount in the operation record of prevention facilities according to the Clean Air Conservation Act by applying an appropriate amount of chemical use to the amount of combustion gas generated. it is for

Another object of the present invention is to provide a method and apparatus for purifying combustion gas in a crematorium, in which the amount of chemical used is secured and the water flow and maintenance of the chemical supply device is possible.

As a technical means for achieving the above technical problem, a refractory bogie for transporting the pipe and a pipe transported from the refractory bogie are used as a refractory bogie transfer device to a combustion device composed of a main combustion chamber or an afterburner. Incineration preparation step of transporting And, a combustion step of burning the pipe transported by the refractory bogie transfer device in the main combustion chamber or the recombustion chamber, and a slaked lime and activated carbon supply unit and a dust filter to remove air pollutants from the combustion gas discharged from the combustion device. and a discharge step of discharging purified gas, and in the incineration preparation step, a weight measurement unit composed of a load cell to measure the weight of the pipe to the fireproof bogie transfer device and a transmission unit to transmit the measured weight information. Further comprising a weighing step of measuring the weight of the pipe with a weighing device provided, and in the discharging step, the input amount of slaked lime and activated carbon from the slaked lime and activated carbon supply unit according to the weight of the pipe measured by the weighing device. It includes the step of setting and inputting only the set input amount.

According to an embodiment of the present invention, in the discharging step, when the input amount of the slaked lime and the activated carbon is set, the slaked lime and the activated carbon are transferred through a transfer power unit, and the weight of the slaked lime and the activated carbon transferred before input Only the measured and set input amount can be input through the chemical weight measurement and input device.

According to an embodiment of the present invention, a combustion gas recirculation step for recirculating the combustion gas in the discharging step may be further included.

In addition, according to an embodiment of the present invention, a refractory bogie for transporting pipes and a combustion device composed of a main combustion chamber or an afterburner using the pipes transported from the refractory bogie as a refractory bogie transfer device, and a connecting pipe of the combustion device Combustion gas cooling device that is coupled through and sequentially cools the combustion gas by a gas cooler and a gas heat exchanger, and a slaked lime and activated carbon supply unit and a filter to remove air pollutants from the combustion gas discharged from the combustion gas cooling device. It includes a combustion gas treatment device having a dust collector, and the combustion device includes a weight measuring device composed of a weight measuring unit made of a load cell to measure the weight of the pipe to the fireproof bogie transfer device and a transmitter to transmit the measured weight information. In the combustion gas treatment device, the input amount of the slaked lime and the activated carbon is set in a central control room having a loop circuit according to the weight information received from the transmission unit, and the slaked lime and the activated carbon are transferred from the slaked lime and activated carbon supply unit A transfer power unit and a chemical weighing and input device installed at an end side of the transfer power unit to measure the weight of the transported slaked lime and the activated carbon and input only a set input amount.

According to an embodiment of the present invention, at least four or more load cells may be installed along the longitudinal direction of the refractory bogie transfer device.

According to an embodiment of the present invention, the transfer power panel may be a screw conveyor.

The crematorium combustion gas purification method and apparatus for reducing air pollution according to the present invention use an appropriate amount of chemicals that can purify impurities or harmful components generated during cremation treatment according to the measured weight of the pipe, It has the effect of significantly preventing air pollution caused by

In addition, an appropriate amount of chemicals used for the amount of combustion gas generated has the effect of securing an accurate amount of chemicals used in the operation record book of prevention facilities in accordance with the Clean Air Conservation Act.

In addition, the amount of chemical used is secured, and maintenance of the chemical supply device is possible, so that economic operation can be expected.

1 is an overall configuration diagram of a furnace facility according to an embodiment of the present invention;
2 is a block diagram of a furnace combustion gas purifying device according to the present invention;
3 is an overall configuration diagram of a furnace facility according to another embodiment of the present invention;
Figure 4 is a block diagram for explaining the control means of the burner combustion gas purifying device according to the present invention,
5 is a block diagram of a method for purifying combustion gas in a crematorium according to the present invention.

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

In describing the embodiments, descriptions of technical contents that are well known in the technical field to which the present invention pertains and are not directly related to the present invention will be omitted. This is to more clearly convey the gist of the present invention without obscuring it by omitting unnecessary description.

For the same reason, in the accompanying drawings, some components are exaggerated, omitted, or schematically illustrated. Also, the size of each component does not entirely reflect the actual size. In each figure, the same reference number is assigned to the same or corresponding component.

Advantages and features of the present invention, and methods for achieving them, will become clear with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the present embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numbers designate like elements throughout the specification.

In describing the embodiments of the present invention in detail, an example of a specific system will be the main target, but the main subject matter to be claimed in this specification extends the scope disclosed herein to other communication systems and services having a similar technical background. It can be applied within a range that does not deviate greatly, and this will be possible with the judgment of those skilled in the art.

Here, FIG. 1 is an overall configuration diagram of a furnace facility according to an embodiment of the present invention, FIG. 2 is a configuration diagram of a furnace combustion gas purifying device according to the present invention, and FIG. 3 is another embodiment of the present invention. Figure 4 is a block diagram for explaining the control means of the furnace combustion gas purification device according to the present invention, Figure 5 is a block diagram of the combustion furnace combustion gas purification method according to the present invention am.

The furnace facility shown in FIG. 1 may largely include a combustion device 100, a combustion gas cooling device 200, and a combustion gas treatment device 300.

Here, a corpse carry-in/out unit 110 may be installed at the front end of the combustion device 100, and the corpse carry-in/out unit 110 transfers the pipe transported through the refractory cart 112 to the inside of the crematorium (e.g., the main combustion chamber 130). It may have a refractory cart transfer device 114 to be transported to the inside of the ).

The refractory bogie transfer device 114 may play a role of automatically bringing in or taking out the tube into or out of the main combustion chamber 130 in a sliding manner of a rolling element.

An air conditioning facility capable of rapidly cooling after cremation to shorten cremation time may be provided in the corpse carry-in/out unit 110.

In addition, the corpse carry-in/out unit 110 may have an automatic door at the entrance side and an automatic opening/closing device installed around a position connected to the main chamber 130.

In addition, a ventilation pipe 111 having an upper chamber damper may be installed between the ceiling of the corpse carrying in/out unit 110 and the connecting pipe 150 of the crematorium.

And, according to the features of the present invention, a weight measuring device 120 composed of a weight measuring unit 122 made of a load cell to measure the weight of a pipe to the refractory bogie transfer device 114 and a transmitter 124 for transmitting the measured weight information is providing more.

The weight measuring unit 122 is composed of at least 4 or more load cells along the length direction of the refractory bogie transfer device 114, and the load cells are a kind of load system and are proportional to the force (load) applied from the outside. A transducer that converts by voltage or pressure. There are electrical resistance strain gauge type, hydraulic type, pneumatic type, etc., but in general, strain gauge type is widely used.

The strain gauge type load cell is designed to be converted into a voltage proportional to the weight by forming a bridge by attaching an electrical resistance strain gauge to the place where it is elastically deformed when weight is received.

Again, the combustion device 100 may be coupled to the crematorium to burn the tube transported by the refractory bogie transfer device 114 in the main combustion chamber 130 or the recombustion chamber 140.

Here, the crematorium may be composed of a plurality of devices (eg, No. 1 to No. 10), and various piping and connection facilities related to these devices may also be composed of a plurality.

The combustion device 100 may be configured to realize complete combustion by a loop circuit inside the main combustion chamber 130 or the recombustion chamber 140 having a dual ceramic fiber structure.

In addition, the main combustion burner 132 of the combustion device 100 may be a burner dedicated to a crematorium that can be adjusted over a wide range of angles (up and down, left and right, front and rear) and generates less nitrogen oxides.

Continuing, it may relate to a structure in which the reburning chamber 140 is located above the main combustion chamber 130, and is applied to a crematorium in which a separate combustion chamber (reference number is not given) is further located above the reburning chamber 140. It may be a known crematorium capable of secondary or tertiary combustion, and may not be limited to those shown in the drawings. In this case, the refractory material forming the inner wall and the ceiling of the separate combustion chamber may be formed of a multi-layered or multi-layered refractory material of the same quality, and the homogeneous refractory material may be made of ceramic fibers and an adhesive for connecting the ceramic fibers to each other.

In addition, the combustion gas cooling device 200 is coupled to penetrate the connection pipe 150 of the crematorium, and can play a role of sequentially cooling the combustion gas by the gas cooler 210 and the gas heat exchanger 220. there is.

The combustion gas cooling device 200 may be coupled to the combustion gas processing device 300 through the exhaust line 310 .

The combustion gas treatment device 300 may include a slaked lime and activated carbon supply unit 320 and a dust filter 330 to remove air pollutants from exhaust gas discharged from the combustion gas cooling device 30 .

The slaked lime and activated carbon supply unit 320 and the bag filter 330 may be coupled to the exhaust line 310 .

The slaked lime and activated carbon supply unit 320 may serve to remove hydrogen chloride and sulfur oxides by spraying slaked lime.

이 가능한 장치일 수 있다.The bag filter 330 removes fine dust with a particle size of 0.1 micron or more, and operates at high temperature using a P-84 filter cloth material (temperature 280

This may be a possible device.

In addition, variable voltage variable frequency (VVVF) control is possible at the rear end of the filter bag 330, so that the internal pressure of the main combustion chamber 130 is within a predetermined pressure range (eg -50 to -100Pa). It may include an induced exhaust fan 340 that can be adjusted and a chimney 350.

The chimney 350 has a structure in consideration of atmospheric diffusion and ventilation of exhaust gas, and may be designed in a vertical type so that external views are not possible.

Here, referring to FIG. 2, a transfer power unit 322 for transporting slaked lime and activated carbon from the slaked lime and activated carbon supply unit 320, and installed at an end side of the transfer power unit 322 to measure the weight of the transferred slaked lime and activated carbon. And may include a chemical weight measurement and input device 324 for injecting only as much as the set input amount.

The transfer power unit 322 may be a screw conveyor, and the drug weight measurement and input device 324 has a device (not shown) capable of measuring the weight such as a load cell, and can be introduced through opening and closing of a valve. .

Although the chemical weight measurement and input device 324 is not shown, a load cell is installed to measure the weight, and an opening and closing door is installed to drop the drug.

On the other hand, the combustion gas treatment device 300 may further include a combustion gas recirculation system for recirculating the combustion gas, and as shown in FIG. 3, a recirculation line 400 is provided to recirculate the combustion gas toward the gas cooler 210 can include

A blower (not shown) may be further provided in the recirculation line 400 to input or introduce the recirculation combustion gas into steel.

And according to the block diagram for explaining the control means of the furnace combustion gas purifying device according to FIG. 4, the furnace equipment can be electrically coupled or connected to the central control room 500 and this central control room 500, , On-site control panel (510), heat exchange starter (520), recirculation control panel (530), manned exhaust fan starter (540), chemical A processing control panel 550 may be included.

The central control room 500 may be configured to perform cooling and air conditioning control of the front compartment and unmanned electromagnetic induction control of tube and truck transporters.

Unmanned electromagnetic induction control of tube and truck carriers can be realized by applying the technology of an unmanned robot system that performs a predetermined sequence along a normal pre-determined path.

The central control room (500) has electrical equipment that can remotely monitor exhaust gas recirculation or the entire automatic combustion process, monitoring equipment for monitoring operating conditions, display equipment, alarm equipment, automatic and manual selection instrumentation, DVR recording, CCTV for fueling facilities, and more. can include

For example, the central control room 500 functions to monitor the operating state during operation, and the temperature, pressure, burner ignition state, gas cooler and heat exchanger temperature, pressure, and pollution prevention facilities (e.g., slaked lime and activated carbon supply unit, filtration) for each section. dust collector, etc.) to monitor the operation status.

In addition, the central control room 500 can alarm and monitor the non-ignition of the main combustion burner and the afterburner, the presence or absence of temperature abnormalities in the afterburning chamber, the presence or absence of abnormalities in the internal pressure and gas pressure of the furnace, and the presence or absence of abnormalities in pollution prevention facilities, It may have an automatic interlock function and a reset function.

In addition, the central control room (500) has a function of collecting and storing (preserving) data on the data collection contents of the furnace, that is, operation and process data, safety and risk factor prediction and judgment data, daily operation report, monthly report and annual report is supposed to do.

The central control room 500 controls the amount of fuel supplied to the main combustion burner and the afterburner to correspond to control variables including the temperature value, pressure value, and oxygen amount value input from sensors installed inside or outside the furnace including the main combustion chamber and the afterburner chamber. , determine the combustion air supply amount in proportion to the fuel supply amount, and set the input amount of slaked lime and activated carbon according to the weight information received from the transmitter 124 of the weighing device 120. Can have a loop circuit.

The loop circuit may be provided with a logic capable of adjusting the inflow amount of the recirculated combustion gas, measuring the inflow amount of the recirculation combustion gas, and adjusting the angle of the vane connected to the actuator by comparing and checking the inflow amount of the recirculation combustion gas with a preset value.

Also, the loop circuit may be a circuit used in a one loop controller. In addition, the loop circuit is included in the practical control means of the central control room, and may include a sensor signal processor, a power controller, and the like configured or made of an electric circuit in the loop circuit.

The furnace field control panel 510 is connected to the loop circuit and serves to supply fuel corresponding to the fuel supply amount and combustion air corresponding to the combustion air supply amount to the main combustion burner and the re-combustion burner. can do.

In addition, the crematorium on-site control panel 510 may play a role of controlling the opening and closing of the main combustion chamber 130 corresponding to the automatic door or the automatic opening and closing door of the corpse carrying in/out section 110 provided at the front end of the cremation furnace, and after the cremation is finished. It can be configured to control the automatic entry or exit of an automatic cooling or fireproof trolley.

In addition, the heat exchanger power plate 520 is connected to the loop circuit and may play a role of controlling cooling air to be supplied to the gas heat exchanger 220, and may be configured with electrical equipment corresponding to this role. .

In addition, the recirculation control panel 530 is connected to the loop circuit and may play a role of controlling the recirculation line 400, and may be composed of electrical equipment corresponding to this role.

The induced exhaust fan drive unit 540 is connected to the loop circuit and controls the rotational speed of the induced exhaust fan 340 in front of the chimney 350 of the crematorium to maintain the internal pressure of the main combustion chamber within a predetermined pressure range. It can play a role to do, and it can also be composed of electrical equipment corresponding to that role.

The chemical processing control panel 550 is connected to the loop circuit, controls the driving of the transfer power unit 322, and measures the weight of the chemicals and inputs the unit 324 so that only the input amount set according to the measured weight of slaked lime and activated carbon is injected. will control

A method for purifying combustion gas from a crematorium for reducing air pollution according to the present invention configured as described above will be described with reference to FIG. 5 .

An incineration preparation step (S100) of transporting a refractory bogie for transporting pipes and a pipe transported from the refractory bogie into a combustion device composed of a main combustion chamber or an afterburner using a refractory bogie transfer device, and the refractory bogie transfer device A combustion step (S110) of burning the transported pipe in the main combustion chamber or the recombustion chamber, and a slaked lime and activated carbon supply unit and a dust filter are provided to remove air pollutants from the combustion gas discharged from the combustion device, and the purified gas is It includes a discharge step (S120) of discharging, and in the incineration preparation step (S100), a weight measurement step (S102) of measuring the weight of the pipe is further included, and in the discharge step (S120), the weight measuring device 120 Setting the input amount of slaked lime and activated carbon in the slaked lime and activated carbon supply unit 320 according to the weight of the tube measured in and inputting only the set input amount (S122) may be included.

First, in the incineration preparation step (S100), the pipe in the corpse carry-in/out unit 110 transported through the fireproof cart 112 is seated on the fireproof cart transfer device 114 in order to transfer it to the combustion device 100. The weight of the coffin containing the body is measured through the weighing unit 122 of the load cell provided on the upper surface of the bogie transfer device 114, so that the temperature in the main chamber 130 can be adjusted according to the weight of the coffin Likewise, the input amount of slaked lime and activated carbon is set in the slaked lime and activated carbon supply unit 320 according to the weight of the pipe measured by the weighing device 120 in the discharge step. Weight measurement step (S102)

Again, the temperature in the main combustion chamber 130 is adjusted according to the weight of the tube through the central control room 500 composed of a receiver for receiving the weight information transmitted from the transmitter 124 and an arithmetic unit for analyzing the weight information received by the receiver, , the input amount of slaked lime and activated carbon is set.

At this time, although not shown in the drawing, the temperature and chemical input amount according to the weight information can be automatically set based on data stored in the database server, or can be set manually by a manager.

And in the combustion step (S110), the pipe transported by the refractory bogie transfer device 114 is burned in the main combustion chamber 130 or the recombustion chamber 140, and the main combustion burner 132 is in the furnace (main combustion chamber or recombustion chamber ) is coupled to the loop circuit of the central control room 500 where the temperature, pressure, and combustion amount of As can be retained, complete combustion can be induced.

정도가 되는데, 이러한 고온의 가스가 연소가스 처리장치(300)로 바로 유입되는 경우 고온의 열에 의해 상기 구성들은 장애나 오작 등이 발생하게 된다. 이를 방지하기 위하여 상기 연소가스 냉각장치(200)는 가스냉각기(210)와 가스열교환기(220)를 통하여 고온 상태의 가스에 상온 상태의 공기를 직접 혼합시켜 온도가 떨어뜨리게 된다.In addition, in the combustion gas cooling device 200 connected to the connection pipe 150 of the recombustion chamber 140, powerful flames are emitted to incinerate the body and the coffin, which generates high-temperature combustion gas after incineration. At this time, the temperature of the gas is about 850

However, when such high-temperature gas is directly introduced into the combustion gas treatment device 300, the components may fail or malfunction due to the high-temperature heat. To prevent this, the combustion gas cooling device 200 directly mixes air at room temperature with high-temperature gas through the gas cooler 210 and the gas heat exchanger 220 to drop the temperature.

And in the discharge step (S120), the combustion gas treatment device 300 is connected through the exhaust line 310, the slaked lime and activated carbon supply unit 320, the filter dust collector 330, the induced exhaust fan 340, and the chimney 350 It is provided with to discharge the purified combustion gas.

Here, according to the characteristics of the present invention, the input amount of slaked lime and activated carbon is set in the central control room 500 according to the weight of the pipe measured by the weight measuring device 120, and the control of the chemical processing control panel 550 connected to the loop circuit According to this, the transfer power unit 322 is driven to move a certain amount of slaked lime and activated carbon from the slaked lime and activated carbon supply unit 320 .

Subsequently, the moved slaked lime and activated carbon are weighed in the chemical weighing and input device 324, and when the weight of only the input amount of slaked lime and activated carbon is measured, the driving of the transfer power unit 322 is stopped, and the valve is opened to put it on the exhaust line 310. Adding slaked lime and activated carbon (S122)

Here, powdery activated carbon and slaked lime are supplied at a certain ratio, and components such as acid gas and dioxin contained in the combustion gas introduced in a cooled state to the combustion gas cooling device 200 are decomposed and adsorbed to form a filter dust collector ( 330), and filtered through a known bag filter in the bag filter 330, and then completely purified gas is discharged into the atmosphere.

According to the above, an appropriate amount of chemicals capable of purifying impurities or harmful components generated during makeup treatment according to the measured weight of the coffin is used, so that air pollution caused by makeup treatment can be significantly prevented.

In addition, an appropriate amount of chemical consumption is used for the amount of combustion gas generated, so that the accurate amount of chemical consumption can be secured in the operation record of prevention facilities in accordance with the Clean Air Conservation Act.

In addition, since the amount of the used chemical is secured, maintenance of the chemical supply device can be performed economically.

In the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments and should not be defined, but should be defined by not only the scope of the claims to be described later, but also those equivalent to the scope of these claims.

100: combustion device 110: corpse carry-in unit
112: fireproof bogie 114: fireproof bogie transfer device
120: weight measuring device 122: weight measuring unit
124: transmission unit 130: main room
132: main combustion burner 140: afterburner
150: connection pipe 200: combustion gas cooling device
210: gas cooler 220: gas heat exchanger
300: combustion gas treatment device 310: exhaust line
320: slaked lime and activated carbon supply unit 322: transfer power unit
324: chemical weight measurement and input device 330: filter dust collector
340: manned exhaust fan 350: chimney
400: recirculation line 500: central control room
510: furnace field control panel 520: heat exchanger power panel
530: recirculation control panel 540: manned exhaust fan control panel
550: chemical processing control panel

Claims (6)

An incineration preparation step of transporting a refractory bogie for transporting pipes and the pipes transported from the refractory bogie into a combustion apparatus composed of a main combustion chamber or an afterburner using a refractory bogie transfer device;
a combustion step of burning the pipe transported by the refractory bogie transfer device in the main combustion chamber or the recombustion chamber;
Discharging step of providing slaked lime and activated carbon supply unit and filtering dust collector to remove air pollutants from the combustion gas discharged from the combustion device, and discharging the purified gas; and
A combustion gas recirculation step for recirculating the combustion gas discharged from the combustion device; includes,
In the incineration preparation step,
Further comprising a weighing step of measuring the weight of the pipe by providing a weighing device composed of a weight measuring unit composed of a load cell to measure the weight of the pipe and a transmitter to transmit the measured weight information to the refractory bogie transfer device, ,
In the discharge step,
Setting the input amount of the slaked lime and the activated carbon in a central control room having a loop circuit according to the weight information input from the transmitter, and transporting the slaked lime and the activated carbon from the slaked lime and activated carbon supply unit through driving of a transfer power unit;
In the chemical processing control panel that is connected to the loop circuit, controls the drive of the transfer power unit, and controls the chemical weight measurement and input device so that only the input amount set according to the measured weight of slaked lime and activated carbon is injected, through the transfer power unit. Transferring the slaked lime and the activated carbon, measuring the weight of the transferred slaked lime and the activated carbon before inputting, and controlling the input so that only a set input amount is made,
The weight measurement unit,
At least four or more load cells are installed along the length of the refractory bogie transfer device to measure the weight of the pipe,
The transfer power panel,
A method for purifying combustion gas in a crematorium, characterized in that the screw conveyor.
delete delete A combustion device comprising a main combustion chamber or an afterburner;
A combustion gas cooling device coupled to penetrate through the connection pipe of the combustion device and sequentially cooling the combustion gas by a gas cooler and a gas heat exchanger, and
It includes a combustion gas treatment device having a slaked lime and activated carbon supply unit and a dust filter to remove air pollutants from the combustion gas discharged from the combustion gas cooling device,
In the combustion device,
The refractory bogie transfer device includes a weighing device composed of a weight measuring unit made of a load cell to measure the weight of the pipe and a sending unit for transmitting measured weight information,
In the combustion gas treatment device,
A transfer power unit for setting the input amount of the slaked lime and the activated carbon in a central control room having a loop circuit according to the weight information input from the transmitter and transferring the slaked lime and the activated carbon from the slaked lime and activated carbon supply unit, and
A chemical weight measurement and input device installed at the end side of the transfer power unit to measure the weight of the transported slaked lime and the activated carbon and input only a set input amount;
A chemical processing control panel that is connected to the loop circuit, controls the driving of the transfer power unit, and controls a chemical weight measurement and input device so that only a set input amount is input according to the measured weight of slaked lime and activated carbon.
Combustion furnace combustion gas purifier comprising a. delete delete

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