CN214809378U

CN214809378U - Dry tail gas dust pelletizing system

Info

Publication number: CN214809378U
Application number: CN202022256244.XU
Authority: CN
Inventors: 葛立军; 国智武; 马军; 肖同乾
Original assignee: Shouguang Luli Wood Co ltd
Current assignee: Shouguang Luli Wood Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-11-23
Anticipated expiration: 2030-10-12

Abstract

The utility model provides a dry tail gas dust removal system, which comprises a bag dust collector, wherein a first air duct is fixed at the air inlet end of the bag dust collector, a cooling mechanism for cooling the dry tail gas is fixed at the air inlet end of the first air duct, a second air duct is fixed at the air outlet end of the bag dust collector, a neutralizing mechanism for removing harmful substances in the dry tail gas is fixed at the end of the second air duct far away from the bag dust collector, the cooling mechanism comprises a cooling box, supporting legs, a cooling cavity, radiating fins, a cooling tank, a water inlet, a water outlet and an air inlet pipe, the end of the first air duct far away from the bag dust collector is fixed with the cooling box, the first air duct is communicated with the cooling box, the bottom of the cooling box is symmetrically fixed with the supporting legs, the utility model can effectively cool the dry tail gas, and prolong the service life of the bag dust collector, and the content of nitrogen oxide and formaldehyde in the tail gas can be effectively reduced.

Description

Dry tail gas dust pelletizing system

Technical Field

The utility model relates to a dust pelletizing system technical field especially relates to a dry tail gas dust pelletizing system.

Background

The drying process of the artificial board production is that fiber raw materials or crushed aggregates and the like are placed in a hot air pipeline for drying, and in the process, hot air can take away part of crushed aggregates and dust, so that the discharged dry tail gas contains part of dust particles and smoke dust particles, the dry tail gas can cause environmental pollution if being directly discharged into the atmosphere without being processed, most of dust removing systems for the dry tail gas in the artificial board production are provided with dust removing bags or electric dust removing devices for removing dust at the discharge position of the dry tail gas, and because the dry tail gas usually has great heat, the existing dust removing method can not basically dissipate the heat of the tail gas, but directly introduce the tail gas into the bag dust remover or the electric dust removing devices, the tail gas with the heat can damage the bag dust collector greatly if being directly dedusted without heat dissipation, so that the service life of the bag dust collector is reduced, in addition, the tail gas in the drying process contains artificial board dust particles, and organic matters and nitrogen oxides such as formaldehyde and the like in the tail gas can not be removed by a dust removal cloth bag or electric dust removal of the conventional drying system.

Therefore, it is necessary to provide a dry tail gas dust removal system to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can reduce dry tail gas's temperature, simultaneously can effectually get rid of the dry tail gas dust pelletizing system of toxic gases such as dust and formaldehyde in the tail gas.

The utility model provides a pair of dry tail gas dust pelletizing system, including bag dust collector, bag dust collector's inlet end is fixed with first air duct, the inlet end of first air duct is fixed with the cooling body who cools down to dry tail gas, bag dust collector's outlet end is fixed with the second air duct, the one end that bag dust collector was kept away from to the second air duct is fixed with the neutralization mechanism who gets rid of harmful substance in the dry tail gas.

Preferably, cooling body includes cooler bin, supporting leg, cooling chamber, fin, cooling tank, water inlet, delivery port and intake pipe, the one end that sack dust arrester was kept away from to first air duct is fixed with the cooler bin, and first air duct communicates with the cooler bin mutually, the bottom symmetry of cooler bin is fixed with the supporting leg, the cooling chamber has been seted up to the lateral wall of cooler bin, the inner wall equidistance of cooler bin is fixed with the fin, the cooling tank has been seted up to the inside of fin, and the cooling tank is linked together with the cooling chamber, one side of cooler bin is fixed with the water inlet, one side that the water inlet was kept away from to the cooler bin is fixed with the delivery port, and water inlet and delivery port all are linked together with the cooling chamber, the one end that first air duct was kept away from to the cooler bin is fixed with the intake pipe, and intake pipe communicates with the cooler bin mutually.

Preferably, the neutralizing mechanism comprises a neutralizing box, a door, an annular sealing gasket, a water inlet and drain pipe, a sliding strip, a filter box, active carbon, an oxynitride neutralizer, a propping strip, a through hole, a screw rod, a hand wheel, a connecting block, a threaded hole and a valve, one end of the second air duct far away from the bag dust collector is fixed with the neutralizing box, one side of the neutralizing box is rotatably connected with the door through a hinge, one side of the door close to the neutralizing box is fixed with the annular sealing gasket, the lower end of the neutralizing box close to one side of the door is fixed with the water inlet and drain pipe, one end of the water inlet and drain pipe is fixed with the valve, the inner walls of the neutralizing box are symmetrically fixed with the sliding strip, the outer walls of the two sliding strips are slidably connected with the filter box, the filter box at the upper end in the neutralizing box is internally provided with the active carbon, the filter box at the lower end in the neutralizing box is internally provided with the oxynitride neutralizer, one side of the door close to the filter box is fixed with the propping strip, the two abutting strips are respectively matched with the two filter boxes, a through hole is formed in one end of the door, a screw rod is inserted in the through hole, a hand wheel is fixed to one end of the screw rod, a connecting block is fixed to one side, close to the hand wheel, of the neutralizing box, a threaded hole is formed in the middle of the connecting block, and the screw rod is in threaded connection with the threaded hole.

Preferably, a suction pump is fixed at the top of the neutralization tank, and an air inlet end of the suction pump is communicated with the neutralization tank.

Preferably, the two ends of the filter box are symmetrically provided with sliding grooves, and the sliding grooves are in sliding connection with the sliding strips.

Preferably, one end of the second air duct close to the neutralization tank is fixed with a one-way valve.

Compared with the prior art, the utility model provides a dry tail gas dust pelletizing system has following beneficial effect:

the utility model provides a dry tail gas dust pelletizing system:

when the utility model is used, cooling water is introduced into the water inlet, waste water collection equipment is connected with the water outlet, the valve is unscrewed, water is added into the neutralization tank until the liquid level of the water is beyond the air inlet end of the neutralization tank and does not exceed the filter box at the lower end of the neutralization tank, the valve is closed, the air pump is driven, dry tail gas is introduced into the cooling tank from the air inlet pipe, the temperature of the radiating fins is reduced through circulating cooling water in the cooling cavity, the temperature of the internal dry tail gas is reduced, the dry tail gas enters the bag dust collector through the first air duct, dust removal is carried out through the bag dust collector, the dry tail gas is introduced into the neutralization tank through the second air duct, further dust removal and particle removal are carried out on the dry tail gas through the water at the bottom of the neutralization tank, and the tail gas is neutralized through the nitrogen oxide neutralizer in the filter box, and then make the formaldehyde material in the tail gas absorbed through the active carbon, the end of giving vent to anger of final follow neutralization case is discharged via the end of giving vent to anger of aspiration pump, and when needs change active carbon and oxynitride neutralizer, through rotating the hand wheel, make the screw rod rotate, and then make screw rod and connecting block separation, and then the turnstile, follow neutralization incasement and take out two filter cartridges, with trading the filter cartridge that contains new active carbon and new oxynitride neutralizer, the utility model discloses can effectually cool down dry tail gas, improve bag dust collector's life to can effectually reduce the content of oxynitride and formaldehyde in the tail gas.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the cooling box of the present invention;

FIG. 3 is a schematic view of the internal structure of the neutralization box of the present invention;

FIG. 4 is an enlarged view of the point A of the present invention;

FIG. 5 is a schematic top sectional view of the neutralization tank of the present invention;

FIG. 6 is an enlarged view of the point B of the present invention;

reference numbers in the figures: 1. a bag dust collector; 2. a first air duct; 3. a cooling mechanism; 31. a cooling tank; 32. supporting legs; 33. a cooling chamber; 34. a heat sink; 35. a cooling tank; 36. a water inlet; 37. a water outlet; 38. an air inlet pipe; 4. a second air duct; 5. a neutralization mechanism; 51. a neutralization tank; 52. a door; 53. an annular seal; 54. a water inlet pipe and a water outlet pipe; 55. a slide bar; 56. a filter cartridge; 57. activated carbon; 58. a nitroxide neutralizer; 59. a tightening strip; 510. a through hole; 511. a screw; 512. a hand wheel; 513. connecting blocks; 514. a threaded hole; 515. a valve; 6. an air pump; 7. a chute; 8. a one-way valve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1, a dry tail gas dust removal system includes a bag dust collector 1, a first air duct 2 is fixed at an air inlet end of the bag dust collector 1, a cooling mechanism 3 for cooling dry tail gas is fixed at an air inlet end of the first air duct 2, a second air duct 4 is fixed at an air outlet end of the bag dust collector 1, and a neutralizing mechanism 5 for removing harmful substances in the dry tail gas is fixed at one end of the second air duct 4, which is far away from the bag dust collector 1.

Referring to fig. 1 and 2, the cooling mechanism 3 includes a cooling box 31, support legs 32, a cooling cavity 33, cooling fins 34, a cooling tank 35, a water inlet 36, a water outlet 37 and an air inlet pipe 38, the cooling box 31 is fixed at one end of the first air duct 2 away from the bag dust collector 1, the first air duct 2 is communicated with the cooling box 31, the support legs 32 are symmetrically fixed at the bottom of the cooling box 31, the cooling cavity 33 is opened at the side wall of the cooling box 31, the cooling fins 34 are fixed at the inner wall of the cooling box 31 at equal intervals, the cooling tank 35 is opened inside the cooling fins 34, the cooling tank 35 is communicated with the cooling cavity 33, the water inlet 36 is fixed at one side of the cooling box 31, the water outlet 37 is fixed at one side of the cooling box 31 away from the water inlet 36, the water inlet 36 and the water outlet 37 are both communicated with the cooling cavity 33, the air inlet pipe 38 is fixed at one end of the cooling box 31 away from the first air duct 2, and the air inlet pipe 38 is communicated with the cooling box 31, so that the temperature of the dry tail gas can be effectively reduced, and the bag dust collector 1 cannot be damaged by hot gas.

Referring to fig. 1, 3, 4, 5 and 6, the neutralizing mechanism 5 includes a neutralizing tank 51, a door 52, an annular sealing gasket 53, a water inlet and outlet pipe 54, a sliding strip 55, a filter box 56, activated carbon 57, an oxynitride neutralizer 58, a holding strip 59, a through hole 510, a screw 511, a hand wheel 512, a connecting block 513, a threaded hole 514 and a valve 515, the neutralizing tank 51 is fixed at one end of the second air duct 4 away from the bag dust collector 1, the door 52 is rotatably connected to one side of the neutralizing tank 51 through a hinge, the annular sealing gasket 53 is fixed to one side of the door 52 close to the neutralizing tank 51, the water inlet and outlet pipe 54 is fixed to the lower end of the neutralizing tank 51 close to the door 52, the valve 515 is fixed to one end of the water inlet and outlet pipe 54, the sliding strips 55 are symmetrically fixed to the inner wall of the neutralizing tank 51, the filter box 56 is slidably connected to the outer walls of the two sliding strips 55, the activated carbon 57 is arranged in the filter box 56 at the upper end of the neutralizing tank 51, be provided with oxynitrides neutralizer 58 in the filter cartridge 56 of the interior lower extreme of neutralization case 51, one side that door 52 is close to filter cartridge 56 is fixed with and supports tight strip 59, two support tight strip 59 and cooperate with two filter cartridge 56 respectively, through-hole 510 has been seted up to the one end of door 52, it has screw rod 511 to peg graft in the through-hole 510, the one end of screw rod 511 is fixed with hand wheel 512, one side that neutralization case 51 is close to hand wheel 512 is fixed with connecting block 513, threaded hole 514 has been seted up in the middle part of connecting block 513, screw rod 511 and threaded hole 514 threaded connection can effectually get rid of formaldehyde and oxynitrides in the dry tail gas.

Referring to fig. 1, the air suction pump 6 is fixed at the top of the neutralization tank 51, and the air inlet end of the air suction pump 6 is communicated with the neutralization tank 51, so that the dust removal efficiency of the dry tail gas can be improved.

Referring to fig. 3 and 4, sliding grooves 7 are symmetrically formed in two ends of the filter box 56, and the sliding grooves 7 are slidably connected with the sliding strip 55, so that the filter box 56 can be conveniently taken and placed.

Referring to fig. 1, a check valve 8 is fixed at one end of the second air duct 4 close to the neutralization tank 51, and can facilitate water storage inside the neutralization tank 51.

The working principle is as follows:

when the device is used, cooling water is introduced from the water inlet 36, waste water collection equipment is connected to the water outlet 37, the valve 515 is unscrewed, water is added into the neutralizing tank 51 until the liquid level of the water is beyond the air inlet end of the neutralizing tank 51 and does not exceed the filter box 56 at the lower end of the neutralizing tank 51, the valve 515 is closed, the air pump 6 is driven, dry tail gas is introduced into the cooling tank 31 from the air inlet pipe 38, the temperature of the radiating fins 34 is reduced through circulating cooling water in the cooling cavity 33, the temperature of the dry tail gas in the device is reduced, the dry tail gas enters the bag dust collector 1 through the first air duct 2, dust removal is performed through the bag dust collector 1, the dry tail gas is introduced into the neutralizing tank 51 through the second air duct 4, and further dust removal and particle removal are performed on the dry tail gas through the water at the bottom of the neutralizing tank 51, and then the tail gas passes through the oxynitride neutralizing agent 58 in the filter box 56 to neutralize oxynitride in the tail gas, further the activated carbon 57 is used to absorb formaldehyde substances in the tail gas, and finally the formaldehyde substances are discharged from the air outlet end of the neutralizing tank 51 through the air outlet end of the air suction pump 6, when the activated carbon 57 and the oxynitride neutralizing agent 58 need to be replaced, the hand wheel 512 is rotated to rotate the screw 511, further the screw 511 is separated from the connecting block 513, further the door 52 is rotated to draw out the two filter boxes 56 from the neutralizing tank 51, and then the filter box 56 containing new activated carbon 57 and new oxynitride neutralizing agent 58 is replaced.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a dry tail gas dust pelletizing system, includes sack dust collector (1), its characterized in that, the inlet end of sack dust collector (1) is fixed with first air duct (2), the inlet end of first air duct (2) is fixed with carries out cooling body (3) that cool down to dry tail gas, the outlet end of sack dust collector (1) is fixed with second air duct (4), the one end that sack dust collector (1) was kept away from in second air duct (4) is fixed with neutralization mechanism (5) of getting rid of harmful substance in the dry tail gas.

2. The dry tail gas dedusting system according to claim 1, wherein the cooling mechanism (3) comprises a cooling box (31), support legs (32), a cooling cavity (33), cooling fins (34), a cooling groove (35), a water inlet (36), a water outlet (37) and an air inlet pipe (38), the cooling box (31) is fixed at one end of the first air duct (2) far away from the bag dust collector (1), the first air duct (2) is communicated with the cooling box (31), the support legs (32) are symmetrically fixed at the bottom of the cooling box (31), the cooling cavity (33) is formed in the side wall of the cooling box (31), the cooling fins (34) are fixed on the inner wall of the cooling box (31) at equal intervals, the cooling groove (35) is formed in the cooling fin (34), the cooling groove (35) is communicated with the cooling cavity (33), the water inlet (36) is fixed at one side of the cooling box (31), one side of the cooling box (31) far away from the water inlet (36) is fixed with a water outlet (37), the water inlet (36) and the water outlet (37) are communicated with the cooling cavity (33), one end of the cooling box (31) far away from the first air duct (2) is fixed with an air inlet pipe (38), and the air inlet pipe (38) is communicated with the cooling box (31).

3. The dry tail gas dedusting system according to claim 1, wherein the neutralizing mechanism (5) comprises a neutralizing tank (51), a door (52), an annular sealing gasket (53), a water inlet and outlet pipe (54), a sliding strip (55), a filter box (56), activated carbon (57), an oxynitride neutralizing agent (58), a pressing strip (59), a through hole (510), a screw (511), a hand wheel (512), a connecting block (513), a threaded hole (514) and a valve (515), one end of the second gas guide pipe (4) far away from the bag dust collector (1) is fixedly provided with the neutralizing tank (51), one side of the neutralizing tank (51) is rotatably connected with the door (52) through a hinge, one side of the door (52) close to the neutralizing tank (51) is fixedly provided with the annular sealing gasket (53), and the lower end of the neutralizing tank (51) close to one side of the door (52) is fixedly provided with the water inlet and outlet pipe (54), a valve (515) is fixed at one end of the water inlet and outlet pipe (54), sliding strips (55) are symmetrically fixed on the inner wall of the neutralizing box (51), filter boxes (56) are connected to the outer walls of the two sliding strips (55) in a sliding manner, activated carbon (57) is arranged in the filter box (56) at the inner upper end of the neutralizing box (51), an oxynitride neutralizing agent (58) is arranged in the filter box (56) at the inner lower end of the neutralizing box (51), a pressing strip (59) is fixed at one side, close to the filter boxes (56), of the door (52), the two pressing strips (59) are respectively matched with the two filter boxes (56), a through hole (510) is formed at one end of the door (52), a screw rod (511) is inserted in the through hole (510), a hand wheel (512) is fixed at one end of the screw rod (511), and a connecting block (513) is fixed at one side, close to the hand wheel (512), of the neutralizing box (51), threaded holes (514) are formed in the middle of the connecting block (513), and the screw rods (511) are in threaded connection with the threaded holes (514).

4. The dry tail gas dedusting system according to the claim 3, characterized in that the top of the neutralizing tank (51) is fixed with a suction pump (6), and the air inlet end of the suction pump (6) is communicated with the neutralizing tank (51).

5. The dry tail gas dedusting system according to claim 3, characterized in that sliding grooves (7) are symmetrically formed in two ends of the filter box (56), and the sliding grooves (7) are slidably connected with the sliding strips (55).

6. The dry tail gas dedusting system according to the claim 3, characterized in that one end of the second gas guide pipe (4) close to the neutralizing tank (51) is fixed with a one-way valve (8).