KR100839276B1 - Pallring sticking and a solvent outflow to protection device for packed tower - Google Patents

Abstract

A packed tower capable of preventing sticking of pall rings and outflow of solvents is provided to maximize operating efficiency of the packed tower by preventing sticking of impurities flown in together with gas to contact faces of pall ring beds and preventing outflow of solvents ascending along a sidewall part of a demister. In a packed tower system for finally removing water and solvents by a demister and exhausting only non-harmful gas to the atmosphere through a stack after removing impurities and odor components from the harmful gases or odorous gases while harmful gases or odorous gases flown into a packed tower by the operation of a blowing fan pass through packing layers of respective stages comprising pall ring beds(20), pall rings(13), and spray nozzles(15), a packed tower capable of preventing sticking of pall rings and outflow of solvents comprises: a plurality of sticking preventing pins(21) fixed to the pall ring beds between the pall ring beds and the pall rings and installed between pall ring holes(22) as large as the pall ring beds; pall ring bed-moving devices fixed to the pall ring beds to prevent sticking of impurities by periodically performing a vertical moving operation of moving plates having moving pins installed thereon; and a cut angled blocking plate film installed in an annular shape along a sidewall portion of the demister formed in an uppermost layer part within the packed tower to maximize absorption efficiency of impurities and odorous components by blocking an external outflow of the solvents. Further, the cut angled blocking plate film prevents water solvent form being discharged.

Description

PALLRING STICKING AND A SOLVENT OUTFLOW TO PROTECTION DEVICE FOR PACKED TOWER

The present invention relates to a packed tower, which is one of the facilities due to absorption among air pollution prevention facilities, and passes through each packing layer filled with harmful gas or odor gas introduced into the pack tower therein. Filter out harmful components, condensate and recover the droplets from the demister device, which is the last step, and install polling pin beds and cut-off valves to exhaust only harmless gas components through the stack. The present invention relates to a pack tower capable of preventing polluted adhesion and solvent leakage, which further doubled the gas purification function.

According to the present invention, the filling structure of the packing layer in the conventional packed tower has a falling edge due to the falling contact between the falling bed and the falling ring. As the adhesion starts to stick and diffuses toward the center of the packing layer, the gap between the packing materials is filled and the contact area with the gas is reduced, which not only reduces the absorption efficiency of the gas but also vertically rises through normal air flow. The solvent in the phase is condensed by the demister installed in the upper part and becomes a drop of water and is recovered to the lower part.However, the solvent rising through the side wall by the upward airflow is discharged to the outside through the communication without any measures and dissolved in the solvent. Due to the problem of secondary pollution due to contaminants, the packing structure of the stuck dust layer is replaced or It relates to a pack tower which can prevent the pack tower (Packed Tower) polling of the method for preventing the operation efficiency decreases (Pallring) according to disruptions in normal operation due to the trouble, such as need to the construction fixed and a solvent outlet.

The present invention is to provide a pin of a predetermined size between the packing bed (Pallring Bed) and the packing (Pallring) of the packing material in the packed tower (Pall Tower) in order to improve the above problems Forming a pin layer by placing it in the entire surrounding area to eliminate the contact surface between the polling and the falling bed, and to prevent the spillage blocking valve that rises on the wall on the lower sidewall of the upper demister inside the tower. The present invention relates to a pack tower capable of preventing pollutant fixation and solvent leakage by installing the annular lower sidewall in an annular shape to solve the above problem.

The present invention forms a pin layer between a falling bed and a falling layer of a packing layer in a packed tower, and cuts off the demister sidewalls. By installing a valve to prevent the adhesion of impurities introduced with the gas to the contact surface of the bed (Bed) and to prevent the solvent outflow rising on the demister side wall portion to maximize the operation efficiency of the Pack Tower (Pack Tower) Note is directed to a pack tower capable of preventing falling and sticking.

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

1 shows a side cross-sectional view of a packed tower 10, and FIG. 2 shows a cross-sectional side view of the packed tower 10 before and after the improvement of a falling bed 20 3 is a side view of the pack tower 10 having the falling bed flow device 30 and a plan view of the flow device 30, and FIG. 4 is a view of the pack tower before and after installing the cutting block valve. The side cross-sectional view of 10) is shown.

Referring to FIG. 1 to FIG. 4 together, first, when harmful gases (Gas) or gases including odors are forced to the blower fan 17 by local exhaust and drawn into the pack tower 10 in FIG. Water that is pumped by the operation of the spray pump 16 from the water tank 12 while the impurity impurities for each component passes through the packing layer passes through the water supply pipe 15b and is sprayed through the nozzle pipe 15a for each step. Since the water sprayed by the nozzle 15 is functioned in the polling 13, which is a filler, the polling 13 and the gas collide with each other, are absorbed by the solvent, and are stored in a separate solvent storage tank after falling down. It is operated in a manner that is neutralized or reacted by a chemical and reused as a solvent, and the air flow including the fine droplets in which harmful impurities are removed at each stage is passed through the upper demister 14. The dust is filtered out so that only harmless gas is exhausted to the outside through the stack 11.

In such a device, the problem of lowering the absorption rate due to the fixation of impurities due to the contact between the polling 13 and the polling bed 20 and the rising droplets do not condense in the demister 14 without causing the pack tower 10 to be condensed. In order to improve the problem of partially exhausting the side wall portion, the problem is solved by providing the pin 21 flow device and the cutting block 40 in FIGS. 2 to 4. The pack tower side cross-sectional view, and 2B shows a plan view before and after the polling bed improvement, and the pack tower side cross-sectional view (left side 2A) before the polling bed improvement shows that the impurities adhere to the contact surfaces of the polling bed 20 and the polling 13 before the polling bed is improved. This blocked polling edge 13 is fixed to the floor and gas is passing through only the center, causing the problem of lowering the absorption rate. A layer of anti-seizure pin 21 is provided between the 13 and the falling bed 20 to form a space part, thereby preventing the seizure of impurities and settling down to the bottom. Compared to the top view (2B right side) after the improvement of the falling bed, the anti-seizure pin 21 is provided around the top of the falling bed 20 around the falling hole 22.

In FIG. 3, 3A shows a top view of the polling bed flow apparatus 30, in which a plurality of flow plates 34 are provided along the flow pin installation line 36, and 3B is a falling bed flow apparatus (FIG. 3A). 30 is a cross-sectional side view of the pack tower 10 provided with a plurality of flow pins installed in the lower flow plate 35 between the falling holes 22 of the falling bed 20 provided with a pin 21 layer ( The air cylinder 32 is fixed by the adjustment signal input to the solenoid valve 33 by connecting the flow plate 35 through which the 34 is passed at a predetermined height to the polling bed flow device 30 with the rivet screw 31. The flow pins 34 of the flow plate 35 are flowed up and down at regular intervals for a certain period of time to prevent impurities from sticking between the falling beds 20 provided with pins 21 for preventing sticking. The absorption efficiency is further increased.

4A is a side cross-sectional view before the cutting edge blocking valve 40 is installed in the side wall of the demister 14 in the upper part of the pack tower 10, where the droplet is adsorbed by the demister 14 and falls to the bottom. The droplets of impurities are transferred to the outside through the communication with the upper or lower portions of the lower blower fan 17 due to the strong upward action of the lower blower fan 17 along the side walls 43 of the demisters 14. 4B shows a side cross-sectional view of the pack tower 10 after installation of the cut-off barrier valve 40. In the last step, the gas droplets 41 in which all impurities are removed are demisters. (14) and the cut-off barrier film (40) absorb all of the moisture is settled to the bottom, and the filtered harmless gas (42) is discharged to the atmosphere through the communication (11) to absorb harmful gases or odor gas, etc. Double the efficiency The present invention relates to a pack tower (10) capable of preventing pollutants (fixing) and seizure of solvent, which may contribute to the prevention of environmental pollution.

1 is a side cross-sectional view of a pack ellipse,

Figure 2 is a cross-sectional side view and a plan view before and after the improvement of the packed column polling bed,

3 is a side cross-sectional view of a packed column equipped with a falling bed flow apparatus, and a flow apparatus plan view;

Figure 4 is a side cross-sectional view before and after the installation of the cutting-edge blocking valve in the charging tower thermistor portion.

<Explanation of symbols for main parts of the drawings>

(10)-Pack Tower (11)-Communication

(12)-Water Tank (13) Polling

(14)-Demister (15)-Spray Nozzle

(15a)-Nozzle Pipe (15b)-Water Supply Pipe

(16)-Spray Pump (17)-Blowing Fan

(20)-Polling Bed (21)-Anchor Pin

(22)-Polling Hole (30)-Polling Bed Flow

(31)-Rivet Screw (32)-Air Cylinder

(33)-Solenoid Valve (34)-Fluid Pin

(35)-fluid plate (40)-cut-off valve

(41)-gas droplet accumulation (42)-harmless gas

(43)-sidewall

Claims (4)

Regarding the Packed Tower (10), which is one of air pollution prevention facilities by absorption, polluting harmful gases and odorous gases introduced into the Pack Tower (10) by the operation of the blower fan (17). After each step of the packing layer consisting of the bed (Pallring Bed) 20, Falling (13) and Spray Nozzle (15), the impurities and odor components are removed, and then the demister ( The polling bed 20 and the polling 13 in the packed tower system which discharges only harmless gas into the atmosphere through the stack 11 after the water solvent is finally removed by the demister 14. A plurality of fixing pins 21 are installed between the falling holes 22 as much as the area of the falling bed 20, and then the falling bed flow device 30 is engaged with the falling bed 20. Fixation of impurities by periodically operating the flow plate 35 provided with (34) up and down flow It prevents and installs a cut-off blocking valve 40 in an annular shape along the side wall portion below the annular side wall of the demister 14 of the uppermost part of the pack tower 10 to block the outflow of the solvent solution to absorb impurities and odor components. Pack tower to prevent polling sticking and solvent spills. The method of claim 1, wherein a plurality of pins 21 for preventing impurity fixation between the polling bed 20 and the polling 13 are installed between the polling holes 22 of the polling bed 20 and fixed as many as the area of the polling bed 20. Pack tower to prevent polling sticking and solvent spills. According to claim 1, a plurality of flow plate (34) is provided with a falling bed flow device (30) provided with a polling bed flow device (30) is connected to the rivet screw (31) by the air input signal of the solenoid valve 33 Prevents polling and solvent leakage in the manner of allowing the plurality of flow pins 34 to flow up and down between the falling holes 22 of the falling bed 20 by the periodic up and down movement of the cylinder 32. Pack tower to be able. The pack tower according to claim 1, wherein polling sticking and solvent leakage can be prevented by installing a cut-off barrier film 40 for preventing moisture solvent outflow under the annular side wall of the demister 14 in an annular fashion along the side wall. .

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