CN109289474A

CN109289474A - An absorption type denitrification flue gas purification device with dust suppression effect

Info

Publication number: CN109289474A
Application number: CN201811164638.3A
Authority: CN
Inventors: 孟成君; 刘国庆; 孟坚
Original assignee: JIANGSU NEW HANTONG SHIP HEAVY INDUSTRY Co Ltd
Current assignee: JIANGSU NEW HANTONG SHIP HEAVY INDUSTRY Co Ltd
Priority date: 2018-10-06
Filing date: 2018-10-06
Publication date: 2019-02-01

Abstract

The absorption denitrogenation flue gas purification device with anti-dust effect that the invention discloses a kind of, including pedestal and activated carbon filter layer, the chassis left side surface is provided with dirt pocket, and force (forcing) pump is provided on the left of dirt pocket, the force (forcing) pump top left side is connected with water inlet, and force (forcing) pump top right side is connected with water inlet pipe, it is connected on the left of dirt pocket with the first spray thrower at the top of the water inlet pipe, and it is connected on the right side of dirt pocket with air inlet pipe, the dirt pocket bottom is connected with the first drainpipe, and first drainpipe bottom run through chassis left side, water fender is provided with above first spray thrower, and demister is provided with above water fender, it is connected at the top of the dirt pocket with exhaust pipe, and exhaust bottom of the tube is at the top of absorption chamber.The absorption denitrogenation flue gas purification device with anti-dust effect, setting dirt pocket, absorption chamber and reaction chamber carry out denitrogenation to flue gas by absorption process after being dusted to flue gas, using more environmentally-friendly efficient.

Description

A kind of absorption denitrogenation flue gas purification device with anti-dust effect

Technical field

The present invention relates to flue gases purification field, specially a kind of absorption denitrogenation gas cleaning with anti-dust effect Device.

Background technique

In gas cleaning, need to be filtered the harmful substance in flue gas removal, therefore with regard to needing to use flue gas Purification device.

Nitrogen oxides in effluent is very big to the detrimental effect of environment, it is both to form one of main matter of acid rain, existing Flue gas purification device come to carry out denitrogenation to flue gas usually using absorption method, this denitrification equipment volume is big, and consumption of raw materials amount is high, It can not be widely used, and the dust in flue gas can not be effectively removed, therefore use not convenient enough, be asked for above-mentioned Topic, needs to improve existing equipment.

Summary of the invention

The absorption denitrogenation flue gas purification device with anti-dust effect that the purpose of the present invention is to provide a kind of, on solving It is very big to the detrimental effect of environment to state the nitrogen oxides in effluent proposed in background technique, it is both the main matter to form acid rain One of, existing flue gas purification device is come to carry out denitrogenation to flue gas usually using absorption method, and this denitrification equipment volume is big, raw material Consumption is high, the problem of can not being widely used, and the dust in flue gas can not be effectively removed.

To achieve the above object, the invention provides the following technical scheme: a kind of absorption denitrogenation cigarette with anti-dust effect Air purifying apparatus, including pedestal and activated carbon filter layer, the chassis left side surface is provided with dirt pocket, and sets on the left of dirt pocket It is equipped with force (forcing) pump, the force (forcing) pump top left side is connected with water inlet, and force (forcing) pump top right side is connected with water inlet pipe, institute It states and is connected on the left of dirt pocket with the first spray thrower at the top of water inlet pipe, and be connected on the right side of dirt pocket with air inlet pipe, it is described Dirt pocket bottom is connected with the first drainpipe, and chassis left side, the first spray thrower top are run through in the first drainpipe bottom It is provided with water fender, and is provided with demister above water fender, is connected at the top of the dirt pocket with exhaust pipe, and exhaust pipe bottom At the top of absorption chamber, the absorption chamber setting is provided with motor, and motor turns on base right side surface below absorption chamber in portion It is dynamic to be connected with motor shaft, while motor shaft is connected with blender through absorption chamber lower rotation, the absorption chamber bottom left with Valve is connected, and valve is connected with the second drainpipe, while running through chassis left side, the absorption chamber on the left of the second drainpipe Right side is provided with feed inlet, and is connected at the top of absorption chamber with reaction chamber bottom, is provided with water pump, and water on the right side of the reaction chamber Pump bottom is connected with suction hose, while suction hose runs through absorption chamber, is connected at the top of the water pump with outlet pipe, and outlet pipe It is connected through reaction chamber with the second spray thrower, side bottom is provided with grid, the second spray thrower top in simultaneous reactions room It is provided with water fender, and is provided with demister above water fender, the activated carbon filter layer is arranged above demister.

Preferably, the central point of the central point of the dirt pocket and the first spray thrower is in same vertical straight line.

Preferably, at the top of the air inlet pipe on the right side of dirt pocket, and it is ramp-like to dip down at the top of dirt pocket.

Preferably, the exhaust bottom of the tube and the spacing of absorption chamber bottom are less than at the top of absorption chamber between absorption chamber bottom Away from.

Preferably, the junction of the absorption chamber inside left and valve top part is funnel-shaped.

Preferably, the top of outlet pipe structure in a ring, and 6 second sprays have been equidistantly distributed at the top of outlet pipe Device.

Compared with prior art, the beneficial effects of the present invention are: the absorption denitrogenation gas cleaning with anti-dust effect Device,

(1) it is provided with dirt pocket, force (forcing) pump, the first spray thrower, air inlet pipe, the first drainpipe, water fender and demister, works as flue gas When entering in dirt pocket, by the first spray thrower in mist-like ejection after water is pressurizeed by force (forcing) pump, to the powder in flue gas Dirt or suspended particulate substance are adsorbed, and are dropped through the discharge of the first drainpipe naturally, and this dedusting method is simple, and will not produce Raw secondary pollution, use are more environmentally-friendly；

(2) it is provided with absorption chamber, blender, feed inlet, reaction chamber, water pump, the second spray thrower, grid and activated carbon filter layer, It is loaded with reaction liquid in absorption chamber, when the flue gas after dedusting enters the reaction solution in absorption chamber, passes through blender Stirring, flue gas comes into full contact with reaction liquid, carries out denitrogenation to flue gas, and flue gas enters in reaction chamber after floating naturally, this When secondary spraying carried out to flue gas by water pump abstraction reaction liquid, it is ensured that the denitrification effect of flue gas, finally by denitrogenation processing Flue gas passes through after activated carbon filter layer through discharge at the top of reaction chamber, using absorption process denitrogenation compared with absorption method denitrification effect compared with It is good, and the device volume needed is small, can be used for small-sized Workplace, use is more convenient.

Detailed description of the invention

Fig. 1 is positive structure diagram of the present invention；

Fig. 2 is the overlooking structure diagram of the second spray thrower in Fig. 1 of the present invention；

Fig. 3 is the enlarged structure schematic diagram in Fig. 1 of the present invention at A.

In figure: 1, pedestal, 2, dirt pocket, 3, force (forcing) pump, 4, water inlet, 5, water inlet pipe, the 6, first spray thrower, 7, air inlet Pipe, the 8, first drainpipe, 9, water fender, 10, demister, 11, exhaust pipe, 12, absorption chamber, 13, motor, 14, motor shaft, 15, Blender, 16, valve, the 17, second drainpipe, 18, feed inlet, 19, reaction chamber, 20, water pump, 21, suction hose, 22, outlet pipe, 23, the second spray thrower, 24, grid, 25, activated carbon filter layer.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Please refer to Fig. 1-3, the present invention provides a kind of technical solution: a kind of absorption denitrogenation flue gas with anti-dust effect is net Makeup is set, including the draining of pedestal 1, dirt pocket 2, force (forcing) pump 3, water inlet 4, water inlet pipe 5, the first spray thrower 6, air inlet pipe 7, first Pipe 8, water fender 9, demister 10, exhaust pipe 11, absorption chamber 12, motor 13, motor shaft 14, blender 15, valve 16, second row Water pipe 17, feed inlet 18, reaction chamber 19, water pump 20, suction hose 21, outlet pipe 22, the second spray thrower 23, grid 24 and active carbon Filter layer 25,1 left-hand face of pedestal is provided with dirt pocket 2, and force (forcing) pump 3 is provided on the left of dirt pocket 2,3 top left of force (forcing) pump Side is connected with water inlet 4, and 3 top right side of force (forcing) pump is connected with water inlet pipe 5, through 2 left side of dirt pocket at the top of water inlet pipe 5 It is connected with the first spray thrower 6, and 2 right side of dirt pocket is connected with air inlet pipe 7,2 bottom of dirt pocket is connected with the first drainpipe 8 It connects, and 8 bottom of the first drainpipe is provided with water fender 9, and 9 top of water fender above 1 left side of pedestal, the first spray thrower 6 It is provided with demister 10,2 top of dirt pocket is connected with exhaust pipe 11, and 11 bottom of exhaust pipe is inhaled through 12 top of absorption chamber It receives room 12 to be arranged in 1 right lateral surface of pedestal, and is provided with motor 13 below absorption chamber 12, and motor 13 is rotatably connected to motor shaft 14, while motor shaft 14 is connected with blender 15,12 bottom left of absorption chamber and 16 phase of valve through 12 lower rotation of absorption chamber Connection, and valve 16 is connected with the second drainpipe 17, while through 1 left side of pedestal, absorption chamber 12 on the left of the second drainpipe 17 Right side is provided with feed inlet 18, and 12 top of absorption chamber is connected with 19 bottom of reaction chamber, is provided with water pump on the right side of reaction chamber 19 20, and 20 bottom of water pump is connected with suction hose 21, while suction hose 21 runs through absorption chamber 12,20 top of water pump and outlet pipe 22 It is connected, and outlet pipe 22 is connected through reaction chamber 19 with the second spray thrower 23,19 inside bottom of simultaneous reactions room is provided with Grid 24, the surface of grid 24 makes flue gas when entering reaction chamber 19 in compared with dispersed in big mesh-structured, while can hinder Reaction solution in gear absorption chamber 12 splashes upwards, water fender 9 is provided with above the second spray thrower 23, and be arranged above water fender 9 There is demister 10, activated carbon filter layer 25 is arranged above demister 10.

The central point of the central point of the dirt pocket 2 of this example and the first spray thrower 6 is in same vertical straight line, after pressurization Water is sprayed by the first spray thrower 6 in circular ring shape, it is ensured that can be covered the entire internal cross section of dirt pocket 2, be improved dedusting effect Fruit.

At the top of air inlet pipe 7 on the right side of dirt pocket 2, and it is ramp-like to dip down at the top of dirt pocket 2, it is ensured that the first spray thrower 6 The water of ejection, which may not flow into air inlet pipe 7, causes production dangerous, and use is safer.

The spacing of 11 bottom of exhaust pipe and 12 bottom of absorption chamber is less than the spacing at 12 top and 12 bottom of absorption chamber of absorption chamber, Ensure that the flue gas after dedusting is directly discharged in reaction liquid, improves the nitric efficiency and denitrogenation quality of flue gas.

12 inside left of absorption chamber and the junction at 16 top of valve are funnel-shaped, convenient for the reaction in absorption chamber 12 Liquid can be discharged quickly through valve 16, and will not accumulate in absorption chamber 12, in order to avoid influence the reaction solution quality of subsequent addition.

The top of outlet pipe 22 structure in a ring, and 6 the second spray throwers 23 have been equidistantly distributed at the top of outlet pipe 22, it is right Flue gas after reaction carries out secondary denitrogenation, it is ensured that the denitrification effect of flue gas.

Working principle: when using the absorption denitrogenation flue gas purification device with anti-dust effect, first by water inlet 4 It is connected with external water inlet line, air inlet pipe 7 is connected with external feed stream pipeline, by the first drainpipe 8 and externally drained pipe Road is connected, and the second drainpipe 17 is connected with external blow-off line, and feed inlet 18 is connected with external feed pipe, and Be discharged into reaction liquid into absorption chamber 12 by feed inlet 18, connect external power supply, start force (forcing) pump 3, drive water enter into In water pipe 5, and water, from the mist-like ejection in a ring of the first spray thrower 6, flue gas is entered in dirt pocket 2 by air inlet pipe 7, and Naturally it is raised above, during flue gas rises upwards, the dust in flue gas is adsorbed by water mist and drops downward into first with water It in drainpipe 8 and is discharged, the flue gas after dedusting is upward through water fender 9 and demister 10, and water fender 9 can will have in flue gas Large quantity of moisture stop, a small amount of misty steam removal that demister 10 can will have in flue gas, flue gas enters exhaust pipe 11 In, and be discharged into the reaction solution in absorption chamber 12, start motor 13, drives blender 15 to start turning by motor shaft 14, turn Dynamic blender 15 drives flue gas and reaction solution to come into full contact with, and carries out denitrogenation to flue gas, the flue gas after denitrogenation floats naturally goes forward side by side Enter into reaction chamber 19, flue gas passes through after grid 24 in fluffy, starts water pump 20, is sucked out reaction solution by suction hose 21 It in water pipe 22, and is sprayed by the second spray thrower 23, secondary denitrogenation is carried out to the flue gas after denitrogenation, the flue gas that denitrogenation finishes is upward Across water fender 9 and demister 10, water fender 9 and demister 10 can remove moisture entrained in flue gas, and flue gas is worn upwards Activated carbon filter layer 25 is crossed after last filtering by being discharged at the top of reaction chamber 19, it is openable after fume treatment Reaction solution in absorption chamber 12 is discharged valve 16 by the second drainpipe 17, this just completes entirely to work, and this explanation The content being not described in detail in book belongs to the prior art well known to professional and technical personnel in the field.

Term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only for ease of description Of the invention simplifies description, rather than indicates or imply signified device or element and must have a particular orientation, be specific Orientation construction and operation, thus should not be understood as the limitation to present invention protection content.

Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of invention.

Claims

1. An absorption type denitrification flue gas purification device with dust suppression effect, comprising a base (1) and an activated carbon filter layer (25), characterized in that: a dust chamber (2) is provided on the left side surface of the base (1). ), and a pressurizing pump (3) is arranged on the left side of the dust chamber (2), the top left side of the pressurizing pump (3) is connected to the water inlet (4), and the top right side of the pressurizing pump (3) is connected to the water inlet (4). The water inlet pipe (5) is connected, the top of the water inlet pipe (5) penetrates the left side of the dust chamber (2) and is connected with the first sprayer (6), and the right side of the dust chamber (2) is connected with the air inlet pipe (7) The bottom of the dust chamber (2) is connected with the first drain pipe (8), and the bottom of the first drain pipe (8) runs through the left side of the base (1) above the first sprinkler (6). A water baffle (9) is provided, and a mist eliminator (10) is arranged above the water baffle (9), the top of the dust chamber (2) is connected with the exhaust pipe (11), and the exhaust pipe (11) ) bottom runs through the top of the absorption chamber (12), the absorption chamber (12) is arranged on the right side surface of the base (1), and a motor (13) is arranged below the absorption chamber (12), and the motor (13) is rotatably connected to the motor shaft (14), meanwhile the motor shaft (14) is rotatably connected to the agitator (15) through the bottom of the absorption chamber (12), and the left side of the bottom of the absorption chamber (12) is connected with the valve (16), and the valve (16) It is connected with the second drain pipe (17), and at the same time the left side of the second drain pipe (17) penetrates the left side of the base (1), the right side of the absorption chamber (12) is provided with a feeding port (18), and the absorption chamber (12) The top is connected to the bottom of the reaction chamber (19), the right side of the reaction chamber (19) is provided with a water pump (20), and the bottom of the water pump (20) is connected to the suction pipe (21), while the suction pipe (21) ) runs through the absorption chamber (12), the top of the water pump (20) is connected with the water outlet pipe (22), and the water outlet pipe (22) runs through the reaction chamber (19) and is connected with the second sprayer (23), and the reaction A grill (24) is arranged at the bottom of the inner side of the chamber (19), a water baffle (9) is arranged above the second sprayer (23), and a mist eliminator (10) is arranged above the water baffle (9). , the activated carbon filter layer (25) is arranged above the mist eliminator (10).

2 . The absorption type denitrification flue gas purification device with dust suppression effect according to claim 1 , wherein the center point of the dust chamber ( 2 ) is the center of the first sprayer ( 6 ). 3 . point on the same vertical line.

3. The absorption type denitrification flue gas purification device with dust suppression effect according to claim 1, characterized in that: the top of the air inlet pipe (7) runs through the right side of the dust chamber (2), and the dust chamber ( 2) The top is sloping downward.

The absorption type denitrification flue gas purification device with dust suppression effect according to claim 1, characterized in that: the distance between the bottom of the exhaust pipe (11) and the bottom of the absorption chamber (12) is smaller than that of the absorption chamber The distance between the top of (12) and the bottom of absorption chamber (12).

5 . The absorption type denitrification flue gas purification device with dust suppression effect according to claim 1 , wherein the connection between the left side of the absorption chamber ( 12 ) and the top of the valve ( 16 ) is in the shape of a funnel. 6 . shape.

6. An absorption type denitrification flue gas purification device with dust suppression effect according to claim 1, characterized in that: the top of the water outlet pipe (22) is in a ring structure, and the top of the water outlet pipe (22), etc. There are 6 second sprinklers (23) distributed in the distance.