KR20010111150A - Drying device for swage sludge - Google Patents

Abstract

The present invention relates to a drying device for sewage sludge, which is formed by moving a plurality of screw-dole-spun guide pieces on the inner wall of a drying furnace in which an air inlet pipe is formed by covering an air inlet pipe outside the furnace and forming a plurality of screw-dole guide pieces. In the middle of the drying furnace, the + -shaped gold panel device is inserted and detachably inserted in the center of the support, so that it can be transported and separated from the dry material and filtered by the gold panel to make the drying efficient. High speed rotation crushing device is installed at the same time with the introduction of dry material and crushing at the same time for better drying. Also, in order to facilitate the introduction of the sludge which is dry material, it is injected into the truck unloading container as ribbon screw comb under the truck unloading container. The sludge dried material is transferred to an angle comb and stored in a sludge storage container as a belt feed comb. In order to smoothly introduce into the sludge inlet as a ribbon screw comb and to remove dust and harmful cutlet in the drying furnace (1), respectively, the primary dust collector, incinerator, secondary dust collector, moisture remover, filter and primary cutlet conveying pipe Connected to the gas exhaust and sludge inlet pipes with the 2nd cut pipe, the 3rd cut pipe, and the 4th cut pipe to purify and remove the exhaust dust and harmful cutlet to discharge clean air and purify the pure air from the heat exchanger in the incinerator. It is an invention to improve the drying efficiency by introducing heat into the furnace.

Description

Drying device for sewage sludge {Drying device for swage sludge}

The present invention relates to a drying apparatus of sewage sludge, and more particularly, to efficiently process sludge drying operations and to completely purify and remove harmful cutlet smells emitted during sludge drying. Sludge drying by crushing device and rotating mesh panel device is smoothly done at the middle part of the furnace, and the drying process is good by screw projection of inner wall of the furnace and a number of spoon type transfer pieces, and it improves the drying efficiency. By separating and inhaling dust and harmful gas smell emitted during sludge drying, purifying and removing it through dust collector, incinerator and filter. It is an invention for the purpose of further improving the drying efficiency.

In general, sludge drying is a fixed drying furnace heated by burner and has a structure in which a net tube and a rotating screw or a belt comb are installed in the center of the drying material, or a multi-layer panel is installed inside the drying room. BACKGROUND ART A drying apparatus in which the apparatus is rotated up and down to receive drying heat and dried is conventionally used.

These drying devices do not easily disperse and separate the moist sludge, so the drying time is slow and slow, which makes it difficult to perform a smooth drying operation. In addition, there was a problem that the pollution of the dust and harmful cutlet emitted during sludge drying is bad for the environmental purification.

The present invention is to improve the above-mentioned problems and to improve the drying efficiency, and at the same time to purify and remove dust and harmful cutlet, the air inlet pipe for the introduction of cooling air to the outside of the furnace by laying out the furnace through the cooling air distribution This is to make the drying well and to install a plurality of screw projections and the spun-type transfer piece on the inner wall of the drying furnace to facilitate the introduction of sludge transfer as a dry material and to distribute and separate the sludge aggregated well. In the middle of the drying furnace, the + -shaped gold platen device is rotated at the center of the drying furnace by the supporter, so that the sludge powder is contained in the gold platen by the sludge transfer piece and rotates and falls again. It is easy to take out and assemble and install the shape netting device, and it is possible to clean the water and install the sludge crushing device on the drying material introduction side of the drying furnace so that the crushing blade is finely crushed.

In addition, in order to facilitate the introduction of the sludge, which is a dry material, the sludge injected into the truck unloading container as a ribbon screw comb under the truck unloading container is transferred to the angle comb and the dry material sludge stored in the sludge storage container as a belt conveying comb Is a ribbon screw comb that is injected into the sludge injector so that it can be easily supplied into the drying furnace so that the sludge, which is a dry material, is automatically supplied to allow smooth drying.

In addition, in the present invention, since the dust and harmful cutouts in the drying furnace are configured to be exhausted to the upper part through the sludge injector, the primary cutlet feeder of the dust and cutlet, the secondary cutlet feeder, Through the 3rd cutlet and 4th cutlet pipe, the sludge drying device that is safe for environmental pollution is passed through each dust collector, incinerator, secondary dust collector and filter for odor eliminator to purify dust and harmful cutlet. In addition, since the incinerator is equipped with a heat exchanger, it is a sludge drying apparatus of a new configuration that improves the sludge drying efficiency and reduces costs since the pure heat from the heat exchanger is returned to the drying furnace.

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

1 is a schematic plan view of the present invention

2 is a side cross-sectional view of a portion of the present invention;

3 is an enlarged cross-sectional view of the drying furnace of the present invention.

4 is an enlarged cross-sectional view taken along the line A-A of FIG.

5 is an enlarged cross-sectional view taken along the line B-B of FIG.

Figure 6 is a side view of the primary dust collector in the present invention

FIG. 7 is a plan view of FIG. 6 illustrating a state in which the caster is discharged.

8 is a cross-sectional view of the cut incinerator and the heat exchanger according to the present invention.

9 is a longitudinal cross-sectional view of FIG.

10 is a side view of the secondary dust collector, the water remover and the filter in the present invention

11 is an enlarged plan sectional view of the odor remover in the present invention;

Explanation of symbols for important parts of the drawings

1: drying furnace 2: screw protrusion

3,3 ′: Spoon type transfer 4: Roton

5: Air introduction pipe 5 ′: spacing

6: air introduction path 7: gas exhaust and sludge injection container

8: building drain container 9: racket

10,10 ′: Round wheel 11,11 ′: Roll

14: shredding device 15,15 ′: support

16,16 ′: Gold panel 17: Gold panel

19: center 21: moving wheel

22: ring plate 23: guide tube

25: burner 31: truck unloading

32: ribbon screw combo 33: hopper

34: angle comb 35: sludge storage container

36: ribbon screw comb 37: primary cut conveying pipe

37a: 2nd cutlet 37b: 3rd cutlet

37c: 4th cut conveyer 38: 1st dust precipitator

39: incinerator 40: secondary dust collector

41: water remover 42: filter

46: heat exchanger 48: heat return pipe

49: air injection cylinder

On the inner wall of the cylindrical furnace cylinder (4), a number of ordinary screw protrusions (2) and a spoon-shaped feed piece (3) (3 ') are formed, and on the outer surface, an air inlet pipe (5) is provided as a gap piece (5'). 6) Both ends of the drying furnace (1), which are covered and joined together, are rotatably installed between the gas exhaust and sludge inlet (7) installed on the base (20) on the opposite side and the drying outlet (8) on the opposite side. (1) On both sides of the middle, the circular wheels (10) (10 ') are fixed with the bracket (9) to contact with the rolls (11) (11') arranged to be in contact pivot on the lower side. It is connected to the shaft of the motor (M) to make sliding rotation by power transmission.

In addition, on one side of the drying furnace (1), a crushing device (14) in which a rotating shaft (12) rotated by a motor (M ') is installed in the drying material introduction side to fix the crushing blade (13) to a plurality of rotating shafts (12). The core rotates at high speed to separate and separate the sludge, which is a dry material, and inside thereof, a plurality of supports 15, 15 ′ are fixed to the inner wall of the furnace barrel 4 in length as shown in FIG. 3. ) Is installed on the central portion 19 so that the gold mesh plate device 17 assembled in a + shape with a slope of the gold mesh plate 16 (16 ') is inserted into the central portion 19 so as to be guided to the spoon-shaped transfer piece (3) (3'). The introduced drying material is introduced into the mesh panel 16 (16 ') of the mesh panel device 17 to be separated by filtration, and the building discharge container 8 moves the lower wheel 21 to move backward. Detach the ring plate (22) and then back to separate it from the drying furnace (1) to take out the inner mesh panel device (17) to allow washing and washing Guide tube 23 was allowed to flow into the guide rotong 4 of the flame to the heat of the external burner 25 is dried inside (1).

In addition, the present invention is connected to the angle comb 34 is installed to transport the ribbon screw conveyor 32 to the sludge storage container 35 under the truck unloading container 31 for the introduction of dry material sludge transport belt The ribbon screw comb 36 is connected between the transfer comb 34a and the hopper 33 of the sludge storage tank 35 and the gas exhaust and sludge injection cylinder 7 so that the dry material is automatically supplied to the sludge injection cylinder ( The sludge was guided to the guide plate 7 'in 7) to be supplied into the furnace 4.

In addition, the present invention is the means for removing dust and harmful cutlet in the drying furnace (1) is connected to the primary cut conveying pipe (37) to the ribbon screw comb 36 connected to the cutout and sludge injection cylinder (7) Dust and harmful cutlet are collected and separated from the primary dust collector 38, and the incinerator 39 is incinerated through the second cutlet pipe 37a, and the third cutlet pipe ( The dust is washed in the secondary dust collector 40 through 37b), and the water is removed by the filter 41a of the water remover 41 through the fourth cutlet transfer pipe 37c and composed of an activated carbon filtration membrane 42a. The harmful odor was purified while passing through the activated filter medium 42 through the inside of the filter 42, and clean air was discharged to the discharge pipe 44 by the discharge fan 43.

In addition, the first dust precipitator 38, while the harmful cutlet introduced into the inlet 38a turns inside, the dust goes out to the lower discharge port 38c and the untreated cut out to the upper outlet 38b. The heat exchanger 46 is installed in the incinerator 39 so that the heat heated by the heat exchanger is introduced into the air inlet 49 through the heat exchanger 47 by the heat exchanger 47. When the incinerator 39 heats the combustion chamber 51 with the lower incineration burner 50, the harmful cutlet entering the inlet 52 is incinerated in the combustion chamber 51, and the heat heats the heat exchanger 46, thereby injecting the external air inlet. Since the outside air introduced into the 46a is heated in the heat exchanger 46 and is discharged to the arranging opening 46b, the heat is supplied into the furnace 4 of the drying furnace 1 by the heat return pipe 48. . In addition, the secondary dust collector (40) is a flush dust by water spray and the odor cutlet introduced into the inlet (40a) from the third cut conveying pipe (37b) is passed through the internal filter filter (40b) and the spray water strength (40c) Secondary dust is removed. In addition, the odor cutlet introduced into the fourth cutlet transfer pipe 37c passes through the filter 41a installed inside the water remover 41, thereby removing water and having a multi-layered activated carbon filtration membrane 42a formed therein. ) Is an invention composition consisting of the configuration to purify and remove the harmful smell cutlet.

In the present invention configured as described above, the dry material sludge in the truck unloading container 31 installed outside is stored in the sludge storage container 35 through the ribbon screw comb 32, the angle comb 34 and the belt feed comb 34a. According to the operation of the ribbon screw comb 36, the material is easily supplied from the guide plate 7 'in the gas exhaust and sludge injection cylinder 7 into the furnace 4 of the guide furnace drying furnace 1. In addition, the drying furnace 1 is rotated by the low speed rotation of the circular wheel 10 (10 ') in contact with the roll 11 (11') by the operation of the motor (M) and the motor (M). Since the crushing device 14 rotates at high speed due to the operation of ′), the sludge supplied from above is subdivided and separated by the crushing blade 13 of the crushing device 14 and is crushed. The screw protrusion (2) fixed to the inner wall of the furnace cylinder (4) and a plurality of spoon-shaped transfer pieces (3) (3 ') Drying material which is separated by conveying and further installed in the middle of the furnace (4) in the middle of the furnace (4) is rotated together with the drying furnace (1), so that the dry material contained in the transfer type (3) (3 ') Is continuously separated from the upper position in the drying furnace 1 to the bottom, and the sludge powder contained in the gold mesh board 16 (16 ') continuously flows downward. While passing the flame heat received from the front burner 25, there is an excellent drying efficiency. In addition, the air passing through the air inlet cylinder 49 passes through the air inlet path 6 in the air inlet pipe 5 formed by covering the outer surface of the furnace cylinder 4, and the warmed heat guide tube in the building discharge cylinder 8 ( 23) Since it is introduced from the outside, the drying treatment by the thermal power of the burner 25 has a more smooth effect.

In addition, the present invention is the sludge dust and harmful odor cutlet generated during the drying operation in the drying furnace (1) primary cut conveying pipe (37) secondary cut conveying pipe (37a) tertiary cut conveying pipe (37b) quaternary cut conveying pipe (37c) Suction through the discharge 휀 (43) through the primary dust collector (38) incinerator (39) secondary dust collector (40) moisture remover (41) filter 42 to purify and remove dust and harmful odors, respectively. Safe drying operation can be performed and the drying furnace (1) is easily removed by removing the screw of the ring plate (22) combined with the drying container (8), so that the center of the plurality of supports (15, 15 ') Since the gold platen device (17) inserted into (19) is easily removed, it can be removed and reassembled after washing with water, so it is convenient to use.

Claims (3)

Cut-out vents having both ends of the drying furnace (1) mounted on the base (20) in which the air inlet pipe (5) is coupled to the outer surface of the cylindrical furnace (4) formed with a plurality of spoon-shaped transfer pieces (3) (3 ') on the inner wall; The sludge injection container (7) and the building discharge container (8) are installed so that they can rotate, and the circular wheels (10) (10 ') are fixed to the outer surfaces of both sides of the drying furnace (1) by the brackets (9). 20) to rotate in contact with the rolls 11 (11 ') laid on the top, and to install and burn the burner 25 toward the guide cylinder 23 in the building discharge container 8 to allow the heater to be heated. In the center, a gold screen device 17 in which the gold mesh boards 16 and 16 'are assembled in a + shape is inserted and installed in the central portion 19 facing the plurality of supports 15 and 15', and the shredding device is installed in the view. Ribbon screw comb bottom of hopper 33 of the drying furnace 1 equipped with 14, the ribbon screw comb 32 of the truck discharging container 31, and the angle comb 34 and the sludge storage container 35. 36. Exhaust and Sludge Injection Can (7) is connected to introduce a dry material, and the dust collector (38) primary dust collector (38) incinerator (39) secondary dust collector (40) moisture remover (41) filter ( 42) a ribbon screw comb (36) connected to a cut-out and sludge inlet (7) by a primary cut feed pipe (37) and a secondary cut feed pipe (37a) and a third cut feed pipe (37b) and a fourth cut pipe feed pipe (37c). To remove the exhaust toxic fumes, and connect the heat return pipe 48 of the heat exchanger 46 in the incinerator 39 to the air inlet 49 installed at the inlet of the air inlet 5. Drying equipment of sewage sludge, characterized in that combined to make a heat return. The dry matter discharge container (8) according to claim 1, wherein the dry discharge container (8) has a moving wheel (21) attached to the lower part, and is attached to the drying furnace (1) with a ring plate (22) to remove the ring plate (22). This sewage sludge drying device. The gold mesh device 17 in the drying furnace 1 is fitted to the central portion 19 with the plurality of supports 15 and 15 'opposed to the inner wall of the furnace 4 so as to be attached and detached, and the respective gold mesh plates 16 16) is fixed to the inclination angle and the gold mesh device 17 is the sewage sludge drying device that can be rotated in the center (19).