CN107261792A - A kind of inexpensive denitrating flue gas dust arrester - Google Patents

A kind of inexpensive denitrating flue gas dust arrester Download PDF

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Publication number
CN107261792A
CN107261792A CN201710522064.1A CN201710522064A CN107261792A CN 107261792 A CN107261792 A CN 107261792A CN 201710522064 A CN201710522064 A CN 201710522064A CN 107261792 A CN107261792 A CN 107261792A
Authority
CN
China
Prior art keywords
flue gas
pipe
nitrogen oxides
inexpensive
dust arrester
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710522064.1A
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Chinese (zh)
Inventor
周紫阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Lvzhicheng Patent Technology Development Co Ltd
Original Assignee
Nanjing Lvzhicheng Patent Technology Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Lvzhicheng Patent Technology Development Co Ltd filed Critical Nanjing Lvzhicheng Patent Technology Development Co Ltd
Priority to CN201710522064.1A priority Critical patent/CN107261792A/en
Publication of CN107261792A publication Critical patent/CN107261792A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75Multi-step processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters, i.e. particle separators or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets, or pads having plane surfaces, i.e. axial filtering
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets, or pads having plane surfaces, i.e. axial filtering in multiple arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Abstract

The invention discloses a kind of inexpensive denitrating flue gas dust arrester, including flue gas inlet pipe, nitrogen oxides treatment room, dirt pocket, anti- blocking piece, flue gas enters inside pipe wall provided with interlayer, there is runner pipe between interlayer, circulation pipe is provided with the outside of flue gas inlet pipe, flue gas inlet pipe connection nitrogen oxides treatment room, nitrogen oxides treatment room front side vertical is provided with least two groups filtration members, nitrogen oxides treatment outside is provided with drug feeding pipeline, drug feeding pipeline connects filtration members, provided with segmentation axle on rear side of nitrogen oxides treatment room, segmentation axle half is arranged in nitrogen oxides treatment room, second half is arranged in dirt pocket, it is non-woven fabrics on rear side of dirt pocket, the non-woven fabrics is the arc toward evagination, escape pipe is provided with above dirt pocket, dust fall pipe is provided with below non-woven fabrics, the anti-blocking piece is arranged on the column on rear side of dirt pocket, denitration dust collecting effect of the present invention is good, the waste heat of flue gas is accelerated to be utilized, save the energy, reduce cost, simplify equipment, technique is simple, floor space is small, improve efficiency.

Description

A kind of inexpensive denitrating flue gas dust arrester
Technical field
The invention belongs to waste gas treatment equipment technical field, and in particular to a kind of inexpensive denitrating flue gas dust arrester.
Background technology
Since the fifties in last century, developed country is just to fume emission and processing expansion numerous studies work, China's political affairs The discharge capacity that mansion also announces the year two thousand twenty unit GDP carbon dioxide will decline 40-45% than 2005, and this is to flue gas Emission reduction form very big pressure, present flue gas desulfurization technique has been achieved with significant development, and denitration technology is also immature, is also grinding Study carefully, present denitration mainly uses two major class modes:Low-NO_x combustion technology and stove exit gas denitration (in kiln) in stove, but both Or mode equipment is huge, investment and operating cost are high;Restricted lifetime, changes frequent, and investment and operating cost are high, from enterprise For the angle of industry, preferably economy, practicality can be merged, and develop more economical economical denitrification apparatus.
The content of the invention
To solve the above problems, the invention discloses a kind of inexpensive denitrating flue gas dust arrester, equipment simplifies, technique Simply, floor space is small, improves fume treatment efficiency, reduces cost.
To reach above-mentioned purpose, technical scheme is as follows:
A kind of inexpensive denitrating flue gas dust arrester, it is characterised in that:Including flue gas inlet pipe, nitrogen oxides treatment room, dedusting Room, anti-blocking piece, flue gas enter inside pipe wall provided with interlayer, and interlayer, which is provided with water inlet and delivery port, flue gas inlet pipe, is provided with runner pipe, Circulation pipe is provided with the outside of flue gas inlet pipe, the circulation pipe is provided with water pump, flue gas inlet pipe connection nitrogen oxides treatment room, nitrogen oxidation Thing process chamber front side vertical is provided with least two groups filtration members, and every group of filtration members are provided with least two layers screen pack, nitrogen oxides treatment Outside is provided with above input duct, drain pipe road, processor, lift suction pump, the input duct connection filtration members, drain pipe road Connect below filtration members, processor is provided between input duct and drain pipe road, the lift suction pump is arranged in input duct, nitrogen Provided with segmentation axle on rear side of oxide process room, connection motor above the segmentation axle, the segmentation axle surface is blade, described Segmentation axle is parallel with filtration members, and the blade lean is arranged on the circumference of segmentation axle, and the segmentation axle half is arranged on nitrogen oxygen In compound process chamber, second half is arranged in dirt pocket, and dirt pocket is highly higher than nitrogen oxides treatment room height, dirt pocket rear side For non-woven fabrics, the non-woven fabrics is to be provided with below escape pipe, non-woven fabrics to be provided with dust fall pipe above the arc toward evagination, dirt pocket, The anti-blocking piece is arranged on the column on rear side of dirt pocket, and anti-blocking piece includes air vane, connecting rod, connecting rope and bead, institute State air vane and be horizontally set on connection air vane above the outlet mouth of pipe, connecting rod, connecting rod lower section is connected with connecting rope, small Ball is arranged on below connecting rope, and column is connected by axle sleeve in the middle part of connecting rod, and connecting rope length is more than non-woven fabrics to the water of bead Flat distance.
As a modification of the present invention, the nitrogen oxides treatment chamber interior walls, filtration members surface, segmentation axle surface are provided with Anticorrosive coat.
As a modification of the present invention, the anticorrosive coat is glass flake anticorrosive coat.
As a modification of the present invention, the blade is sword side foremost.
As a modification of the present invention, there is 40 ° of angle between the blade and segmentation axle circumference.
As a modification of the present invention, the filtration members are drawing and pulling type filtration members.
As a modification of the present invention, the motor is servomotor.
As a modification of the present invention, the runner pipe is S type bend pipes.
As a modification of the present invention, the quantity of the runner pipe is 3.
As a modification of the present invention, thermometer is provided with the escape pipe.
The beneficial effects of the invention are as follows:
A kind of inexpensive denitrating flue gas dust arrester of the present invention, the waste heat of flue gas is accelerated to be utilized, and saves the energy, drop Low cost, denitration dust collecting effect is good, simplifies equipment, and technique is simple, and floor space is small, improves efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is segmentation shaft section figure of the present invention.
Reference numerals list:
1st, flue gas inlet pipe, 2, nitrogen oxides treatment room, 3, dirt pocket, 4, anti-blocking piece, 5, interlayer, 6, water inlet, 7, delivery port, 8, Runner pipe, 9, circulation pipe, 10, water pump, 11, filtration members, 12, input duct, 13, drain pipe road, 14, processor, 15, draw Pump, 16, segmentation axle, 17, motor, 18, blade, 19, non-woven fabrics, 20, escape pipe, 21, dust fall pipe, 22, air vane, 23, Connecting rod, 24, connecting rope, 25, bead, 26, column, 27, axle sleeve, 28, thermometer, 29, sword side.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following embodiments are only For illustrating the present invention rather than limitation the scope of the present invention.It should be noted that the word " preceding " used below in description, " rear ", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer respectively to direction or remote From the direction of particular elements geometric center.
As illustrated, a kind of inexpensive denitrating flue gas dust arrester of the present invention, including flue gas inlet pipe 1, nitrogen oxygen Compound process chamber 2, dirt pocket 3, anti-blocking piece 4, flue gas enter inside pipe wall provided with interlayer 5, and interlayer is provided with water inlet 6 and delivery port 7, Runner pipe 8 is provided with flue gas inlet pipe 1, the outside of flue gas inlet pipe 1 is provided with circulation pipe 9, and the circulation pipe 9 is provided with water pump 10, flue gas The connection nitrogen oxides treatment of inlet pipe 1 room 2, the front side vertical of nitrogen oxides treatment room 2 is provided with least two groups filtration members 11, every group of filtering Part 11 provided with least two layers screen pack, the outside of nitrogen oxides treatment room 2 provided with input duct 12, drain pipe road 13, processor 14, Lift suction pump 15, the top of the connection of input duct 12 filtration members 11, the lower section of the connection of drain pipe road 13 filtration members 11, input duct 12 Processor 14 is provided between drain pipe road 13, the lift suction pump 15 is arranged in input duct 12, behind nitrogen oxides treatment room 2 Side connects motor 17 provided with segmentation axle 16, the top of segmentation axle 16, and segmentation axle 16 surface is blade 18, the segmentation Axle 16 is parallel with filtration members 11, and the blade 18 is inclined on the circumference of segmentation axle 16, as shown in Fig. 2 blade is foremost For sword side 29, the segmentation half of axle 16 is arranged in nitrogen oxides treatment room 2, and second half is arranged in dirt pocket 3, dirt pocket 3 height are higher than the height of nitrogen oxides treatment room 2, and the rear side of dirt pocket 3 is non-woven fabrics 19, and the non-woven fabrics 19 is the arc toward evagination Shape, the top of dirt pocket 3, which is provided with below escape pipe 20, non-woven fabrics, is provided with dust fall pipe 21, and the anti-blocking piece 4 is arranged on rear side of dirt pocket Column 26 on, anti-blocking piece 4 includes air vane 22, connecting rod 23, connecting rope 24 and bead 25, the level of air vane 22 Connection air vane 22 above 20 mouthfuls of escape pipe, connecting rod is arranged on, the lower section of connecting rod 23 is connected with connecting rope 24, and bead 25 is set Put below connecting rope 24, the middle part of connecting rod 23 connects column 26 by axle sleeve 27, and the length of connecting rope 24 is arrived more than non-woven fabrics 19 The horizontal range of bead 25.
A kind of inexpensive denitrating flue gas dust arrester of the present invention, the flue gas of dust-laden enters from flue gas inlet pipe 1 is inner, Water in water in heating interlayer 5, interlayer 5 can be circulated, and water enters after interlayer from the water inlet 6 of top, closes Water inlet 6 and delivery port 7, can start water pump 10, the water in interlayer 5 is not stopped in circulation pipe 9, interlayer 5, runner pipe 8 It is dynamic, the water in interlayer 5 is constantly carried out heat exchange with hot gas, the present invention is in flue gas inlet pipe 1 provided with 3 runner pipes 8, runner pipe 8 be to increase circulation duct between S type bend pipes, interlayer, increases the contact area of heat exchange, and water firing rate improves 35%, saved energy Source, reduces cost, and can accelerate flue gas cool-down, and typically flue-gas temperature is reduced to 120 DEG C or so after flue gas inlet pipe 1.
Flue gas enter nitrogen oxides treatment room 2 after, first cross filtration members 11, after segmentation axle 16, whole process be quickly, The present invention is sought to just can quick denitration, the inside of processor 14 in the outside of nitrogen oxides treatment room 2 during flue gas is passed through There is denitration reaction solution, lift suction pump 15 is by denitration reaction solution extraction to the top of filtration members 11, and denitration reaction solution is from screen pack Top is down trickled, and flue gas enters the carry out denitration that first reacted behind nitrogen oxides treatment room 2 with denitration reaction solution, while right Flue gas carries out further cooling and preliminary removing bulky grain dust, and flue gas, which has been crossed after filtration members 11, turns into moist flue gas by a high speed The blade cuts of the segmentation axle 16 of rotation have denitration reaction solution on every thin cigarette, make every into some thin cigarettes of micron order Nitrogen oxides in thin cigarette can fully be reacted with denitration reaction solution, and NOx emission is less than 200 mg/Nm3, and flue-gas temperature is reduced to 50 DEG C or so, denitration effect is good, few using equipment, and floor space is small, and reaction speed is fast, and denitration efficiency is high, and cost is low, economical real Favour.
The blade that flue gas after denitration is divided axle 16 is thrown on non-woven fabrics 19, utilizes the arc of the inside indent of non-woven fabrics 19 Face, makes all flue gases to be all thrown on arcwall face, and the gas in flue gas rises discharges from escape pipe 20, and dust falls in nonwoven On cloth 19, accumulate many and down fallen into dust fall pipe 21, dust collecting process is simple and practical, and dust can be intercepted using non-woven fabrics, and There is certain elasticity, catch all dusts, it is simple and practical, it is easy to promote.
Flue gas enters after dirt pocket 3 from nitrogen oxides treatment room 2, and impulsive force has weakened, and non-woven fabrics 19 has been able to hold By its impulsive force and temperature, but the time one is grown, and dust alluvial, nothing can be formed in the arcwall face middle inside of the indent of non-woven fabrics 19 Spinning cloth can be blocked, and reduce efficiency of dust collection, in order to solve this problem, and the present invention is provided with anti-blocking piece 4 outside dirt pocket 3, Air vane 22 is blown using the gas of discharge, the centrifugal force that air vane 22 is produced when rotating drives bead 25 to fly up, due to The length of connecting rope 24 is more than the horizontal range that non-woven fabrics 19 arrives bead 25, and bead can be impacted after flying up completely in the outer of non-woven fabrics Side, the dust of accumulation is shaken off, it is ensured that the normal dedusting of non-woven fabrics, and the present invention is simple in construction, without investment drive device, economical real With improving operating efficiency, saved production cost.
The inwall of nitrogen oxides treatment room 2 of the present invention, the surface of filtration members 11, segmentation axle 16 surface are provided with anticorrosive coat, prevent Rotten layer is glass flake anticorrosive coat, corrosion-resistant, and normal operation is not influenceed, is increased the service life.
There is 40 ° of angle between blade 18 of the present invention and segmentation axle circumference, this angle combines 2000 turns of rotating speed, It ensure that flue gas is divided very thin, flue gas and denitration reaction solution reaction are fastest, and denitration effect is best.
Filtration members 11 of the present invention are drawing and pulling type filtration members, can individually extract cleaning out and change, simple and practical.
Motor 17 of the present invention is servomotor, can carry out speed adjustment according to the concentration of fume emission,
Thermometer 28 is provided with escape pipe 20 of the present invention, temperature of exhaust gas is controlled, it is ensured that air vane 22 can be normal Work.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to Constituted technical scheme is combined by above technical characteristic.

Claims (10)

1. a kind of inexpensive denitrating flue gas dust arrester, it is characterised in that:Including flue gas inlet pipe, nitrogen oxides treatment room, remove Dirt room, anti-blocking piece, flue gas enter inside pipe wall provided with interlayer, and interlayer is provided with water inlet and delivery port, flue gas inlet pipe provided with circulation Circulation pipe is provided with the outside of pipe, flue gas inlet pipe, the circulation pipe is provided with water pump, flue gas inlet pipe connection nitrogen oxides treatment room, nitrogen Oxide process room front side vertical is provided with least two groups filtration members, and every group of filtration members are provided with least two layers screen pack, nitrogen oxides It is provided with the outside of process chamber above input duct, drain pipe road, processor, lift suction pump, the input duct connection filtration members, goes out liquid Below pipeline communication filtration members, processor is provided between input duct and drain pipe road, the lift suction pump is arranged on input duct On, provided with segmentation axle on rear side of nitrogen oxides treatment room, connection motor above the segmentation axle, the segmentation axle surface is leaf Piece, the segmentation axle is parallel with filtration members, and the blade lean is arranged on the circumference of segmentation axle, and the segmentation axle half is set Put in nitrogen oxides treatment room, second half is arranged in dirt pocket, dirt pocket highly higher than nitrogen oxides treatment room height, is removed It is non-woven fabrics on rear side of dirt room, the non-woven fabrics is to be provided with below escape pipe, non-woven fabrics to be provided with above the arc toward evagination, dirt pocket Dust fall pipe, the anti-blocking piece is arranged on the column on rear side of dirt pocket, anti-blocking piece include air vane, connecting rod, connecting rope with Bead, the air vane is horizontally set on above the outlet mouth of pipe, connecting rod below connection air vane, connecting rod and connecting rope Connection, bead is arranged on below connecting rope, and column is connected by axle sleeve in the middle part of connecting rod, and connecting rope length is more than non-woven fabrics to small The horizontal range of ball.
2. a kind of inexpensive denitrating flue gas dust arrester according to claim 1, it is characterised in that:The nitrogen oxides Chamber interior walls, filtration members surface, segmentation axle surface are handled provided with anticorrosive coat.
3. a kind of inexpensive denitrating flue gas dust arrester according to claim 2, it is characterised in that:The anticorrosive coat is Glass flake anticorrosive coat.
4. a kind of inexpensive denitrating flue gas dust arrester according to claim 1, it is characterised in that:The blade most before Hold as sword side.
5. a kind of inexpensive denitrating flue gas dust arrester according to claim 4, it is characterised in that:The blade is with dividing Cut the angle for there are 40 ° between axle circumference.
6. a kind of inexpensive denitrating flue gas dust arrester according to claim 1, it is characterised in that:The filtration members are Drawing and pulling type filtration members.
7. a kind of inexpensive denitrating flue gas dust arrester according to claim 1, it is characterised in that:The motor is Servomotor.
8. a kind of inexpensive denitrating flue gas dust arrester according to claim 1, it is characterised in that:The runner pipe is S type bend pipes.
9. a kind of inexpensive denitrating flue gas dust arrester according to claim 8, it is characterised in that:The runner pipe Quantity is 3.
10. a kind of inexpensive denitrating flue gas dust arrester according to claim 1, it is characterised in that:The escape pipe Place is provided with thermometer.
CN201710522064.1A 2017-06-30 2017-06-30 A kind of inexpensive denitrating flue gas dust arrester Pending CN107261792A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710522064.1A CN107261792A (en) 2017-06-30 2017-06-30 A kind of inexpensive denitrating flue gas dust arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710522064.1A CN107261792A (en) 2017-06-30 2017-06-30 A kind of inexpensive denitrating flue gas dust arrester

Publications (1)

Publication Number Publication Date
CN107261792A true CN107261792A (en) 2017-10-20

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Country Link
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CN106731304A (en) * 2016-12-19 2017-05-31 江苏中建材环保研究院有限公司 A kind of glass melting kiln waste processing equipment
CN106731552A (en) * 2016-12-19 2017-05-31 江苏中建材环保研究院有限公司 A kind of flue gas of glass melting furnace efficient denitrifying device

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