JP2001232145A - Dry type automatic heat resistant dust collecting and deodorizing device for high temperature inert gas and its systemization - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic system considering the resistance to high temperature and the possession of continuous dust collecting/deodorizing function and clogging removing function so that dust, micromist, and the like, contained in high temperature inert gas are collected by a dry method and also odor contained in the gas is removed and continuous dust collection is made possible. SOLUTION: The automatic system capable of performing continuous operation from the suction of the high temperature inert gas to discharge of dust and the like, is constituted so that two kinds of filters, various kinds of instruments and devices are combined, and two devices are alternately operated, and a heat resistant dust collector provided with a cyclone is also provided, and the collection of the dust and the micromist is automatically performed by the control of an automatic control instrument, or the like, and also the odor is removed. The generation of the clogging of the device is automatically detected to operate the other dust collecting machine, moreover, the clogging is automatically removed.

Description

DETAILED DESCRIPTION OF THE INVENTION

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic heat-resistant dust-collecting and deodorizing apparatus for high-temperature inert gas and its systemization.

2. Description of the Related Art Conventionally, removal of dust and the like or odor contained in a high-temperature inert gas is of a dry type.
Although there is a device that can be used, it requires a plurality of mechanisms and complicated processing, and none has a simple structure.

[Problem to be Solved by the Invention]
With a simple structure, high durability, it collects dust etc. contained in high-temperature inert gas in a dry manner, enables removal of odor contained in this gas, and clogs when the equipment needs to be operated. In preparation for occurrence, by installing two devices appropriately, or by combining two devices into one and operating them alternately,
Continuous dust collection is possible, and by using a heat-resistant dust collector with a cyclone, dust can be collected in advance to extend the clogging cycle of this device. Reduce the degradation of the equipment over time

[Means for Solving the Problems] A cylindrical ceramic filter having an appropriate size, porosity, circular or polygonal cross section is installed at an appropriate position in the apparatus, or By installing a plurality of these in an appropriate combination, high-temperature inert gas containing dust or odor is sent into the device by a heat-resistant blower, and dust can be collected by passing through this ceramic filter. It becomes possible. Furthermore, outside this ceramic filter,
Insulate and install cylindrical carbon or carbide filters of appropriate size, porosity, circular or polygonal cross section, or combine and insulate several of them appropriately. By charging and operating the static electricity generated by the static electricity generator, the micro mist that has passed through the ceramic filter can be charged and collected. Further, the carbon or carbide filter makes it possible to remove the odor in the hot gas. Also, by installing a heat-resistant hopper at an appropriate position below these filters, and installing a heat-resistant automatic rotary valve, etc. below this heat-resistant hopper, ceramics
The dust collected and dropped by the filter is collected in a heat-resistant hopper, and is automatically or continuously discharged to a lower shooter by a heat-resistant automatic rotary valve or the like.
Also, in order to prevent clogging of the filter when the operation of this device is necessary, two units of this device should be installed appropriately, or these two units should be connected appropriately to make one unit and operate continuously. Dust collection becomes possible. When the clogging of the filter of the device occurs, the signal from the high-pressure static air pressure detection device of the clogging device is detected, and the automatic control device automatically switches the heat-resistant automatic damper and switches the operation of the heat-resistant blower. Then, the operation of another heat-resistant dust collecting and deodorizing apparatus is started by switching the energization by the static electricity generator, switching the refrigerant line of the cooling device / device, and the like. In addition, the device for clogging is controlled by an automatic control device or the like, and the electrification of the carbon or carbon filter is stopped by switching the energization by the above-mentioned static electricity generating device, and the electrification adheres to this. The micro mist separates and falls, and the dust adhering to the ceramic filter also separates and falls, collects in a heat-resistant hopper at the lower part of the apparatus, and is automatically discharged to a shooter by a heat-resistant automatic rotary valve or the like. In addition, reverse rotation of the heat-resistant blower of this device
Dust and micro mist are further separated and dropped and discharged by back-blasting and back-washing, and by appropriately switching the heat-resistant automatic damper, the floating dust is collected by another heat-resistant dust collecting and deodorizing device. The clog is removed. or,
By appropriately cooling a heat-resistant blower, a bearing portion of a heat-resistant rotary valve, and the like with a suitable refrigerant such as water, heat damage due to high heat is reduced. Also, the inside of the device is appropriately heat-insulated.
Before the intake and dust collection process by this device, install a heat-resistant dust collector with cyclone and collect dust in advance, so that the amount of dust sucked into this device decreases, the gas temperature decreases, The deterioration of the function over time due to the thermal damage of the device can also be reduced.

[Embodiment of the Invention] For example, a cylindrical ceramic filter having an appropriate size and porosity in the various shapes shown in FIG. 1 is appropriately installed at an appropriate position of the apparatus. Next, a cylindrical carbide filter having an appropriate size and a porosity is appropriately insulated and installed outside of this. This is done so that the static electricity generated by the static electricity generator can be charged. In addition, as shown in FIG. 4, a heat-resistant hopper is installed at an appropriate position below the hopper, and a heat-resistant automatic rotary valve is installed below the hopper so that dropped dust and the like can be automatically, continuously or intermittently discharged. Execute. In addition, it is constructed so that the bearings and the like can be cooled appropriately. In addition, a shooter of an appropriate size is installed at the lower part of the work, so that the dust and the like discharged can be taken out. Also, the inside of the device is made to have an appropriate heat insulating structure. In addition, an air intake duct of an appropriate size will be installed at an appropriate position in the upper part of the device, and an appropriate heat-resistant blower will be installed at an appropriate position of the air intake duct, so that the air can be sucked and exhausted. or,
The bearings and the like of this heat-resistant blower are constructed so that they can be cooled appropriately. In addition, an appropriate size exhaust duct is installed at an appropriate position in the apparatus. In addition, as shown in Fig. 5, two units of this device are installed appropriately in preparation for clogging when operation is necessary.
By using a high-temperature static air pressure detection device (10), a heat-resistant automatic damper (11) as shown in FIG. 3, and an automatic control device (12), the signal of the clogging device (10) is detected. (12) automatically switches the power to (11) due to the appropriate switching of (11), cooling equipment
The operation is performed so that the refrigerant line of the device is switched and the operation of another heat-resistant dust collecting and deodorizing device can be started. Regarding the removal of clogging, the automatic control of (12) stops the charging of the clogging device, and the micro mist adhering to the device is separated and dropped to the lower portion and is automatically discharged. In addition, the automatic control of (12) allows the heat resistant blower of the clogging device to be appropriately rotated in the reverse direction and back, and then back-washed to further separate and drop dust and the like, and to discharge the dust. By appropriate switching, etc., construction will be carried out so that floating dust can be collected in another heat-resistant dust collecting and deodorizing device. Before the intake and dust collection process by this device, a heat-resistant dust collector with cyclone is installed and dust is collected in advance.

[Effect of the Invention] By utilizing the automatic dry dust collecting and deodorizing apparatus for high temperature inert gas of the present invention, dust collection and odor removal of high temperature inert gas can be performed, and the mechanism is simplified and the durability is improved. In addition, by installing two units of this device appropriately and operating them alternately, and by automatically removing the clogging, the dust collection and odor removal process of high-temperature inert gas can be continuously performed. It is possible to do. In addition, by installing a heat-resistant dust collector with a cyclone and collecting dust in advance, the amount of dust and the like sent into the device can be reduced, and the cycle of clogging can be extended. The ability to reduce the temperature of the hot gas introduced into the furnace and the degree of functional deterioration over time due to thermal damage to the apparatus can be widened, and thus applications in many fields are widened and environmental pollution is improved.

[Brief description of the drawings]

Fig. 1 Cross-sectional and side views of examples of shapes of ceramic filters or carbide filters

Fig. 2 Combination example of cylindrical ceramic filter and cylindrical carbide filter

[Fig. 3] Example of heat resistant automatic damper

FIG. 4 is a cross-sectional view of the device mechanism.

[Fig. 5] Schematic diagram of the whole system

[Explanation of symbols]: Ceramic filter: Intake duct: Carbide filter: Heat resistant blower: Static electricity generator: Exhaust duct: Heat resistant hopper ▲ 10 ▼: Static pressure air pressure detector for high temperature ： Heat resistant automatic rotary valve ▲ 11 ▼: Heat resistant Automatic damper: Shooter ▲ 12 ▼: Automatic control device

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B03C 3/15 B01D 53/34 ZAB 3/155 B03C 3/14 D 3/28 A 3/74

Claims (7)

[Claims] A ceramic filter having a suitable porosity and a suitable shape is singly or plurally combined, and a high-temperature inert gas containing dust or the like is passed through the filter to collect dust. 2. A single or a plurality of carbon filters or carbide filters having an appropriate porosity and shape are appropriately combined, charged with static electricity, and passed through a high-temperature inert gas containing dust and the like. Dust and remove the odor contained in this high-temperature inert gas. 3. The charge of claim 2 is stopped, and the air is blown back to separate and drop dust and the like adhered to the filter of claim 1 and claim 2. Collecting dust in a dust deodorizer 4. By installing a heat-resistant automatic rotary valve or the like below the heat-resistant hopper, dust or the like stored in the heat-resistant hopper is automatically or continuously and intermittently discharged to a lower shooter. 5. An apparatus according to claim 1, wherein two of said apparatuses are installed appropriately.
Combining the units appropriately to make one unit and automatically operating it alternately to enable continuous dust collection 6. The bearing of a heat-resistant automatic blower and the bearing of a heat-resistant automatic rotary valve are appropriately cooled to reduce damage due to high heat. 7. A heat-resistant dust-collecting device with a cyclone must be installed before the high-temperature inert gas suction / dust-collecting process by this device to collect dust in advance.