CN209254504U - Boiler removes dioxin system - Google Patents

Abstract

The utility model discloses a kind of boilers to remove dioxin system, the boiler removes dioxin system, it include boiler plant and chimney, it is characterized in that: further including economizer, air preheater, deduster, pressure fan, desulphurization plant and concerted reaction device, setting is separately provided for holding two cavitys of de- nitride catalyst and de- dioxin catalyst in the concerted reaction device, the utility model have on the basis of dedusting, desulfurization and recuperation of heat, can simultaneous removing itrated compound, dioxin the advantages of.

Description

Boiler removes dioxin system

Technical field

The utility model relates to a kind of boiler exhaust gas processing equipments, and in particular to a kind of boiler removing dioxin system.

Background technique

The control of dioxin, there is a kind of novel work in the combustion product gases generated for waste incineration, sintering machine domestic at present Skill is to decompose dioxin using de- dioxin catalyst, while there are a large amount of itrated compounds to need to remove and take off in combustion product gases There is shared operating temperature section in the catalyst of itrated compound and de- dioxin, therefore can use cooperation-removal.Due to taking off dioxin Catalyst is research and development production to be carried out on the basis of traditional denitrating catalyst, therefore de- dioxin catalyst also has denitration function simultaneously Can, according to de- dioxin catalytic oxidation mechanism, in the higher situation of NOx concentration, in de- dioxin catalyst surface Competitive reaction will occur for both NOx, dioxin, can reduce the efficiency that catalyst takes off dioxin, therefore when using cooperation-removal, it needs Before denitrating catalyst is installed on de- dioxin catalyst, now needing a kind of boiler to remove dioxin system can simultaneous removing nitre Catalyst and de- dioxin.

The Chinese patent that Authorization Notice No. is CN206444447U, the applying date is on 08 29th, 2017 discloses one kind two English Catalytic Reducing Purification device is disliked, waste incineration field of purification is belonged to.Described device includes combustion furnace, is successively connected by combustion furnace It is connected to flue gas purification device, preheater, reducing agent injection premixed device, static mixer, catalyst reaction device, off-gas recovery dress It sets；The combustion furnace is equipped with combustion furnace material inlet, combustion furnace exhanst gas outlet, the gradual sealing Automatic grate of bar shaped, waste residue Recycling bins, the combustion furnace are also connected with digital display monitoring control device；Device described in the utility model can not only burn rubbish The flue gas and waste residue generated during burning is handled, and the removal rate of dioxin is up to 99.98%, and can will be in flue gas Nitrogen oxides and stench remove together.

It is in place of the deficiencies in the prior art, in the dioxin Catalytic Reducing Purification device, itrated compound and two will be removed The process substep for disliking English carries out, therefore designs one kind on the basis of dedusting, desulfurization and recuperation of heat, being capable of simultaneous removing nitrification Object, the boiler removing dioxin system of dioxin are necessary.

Utility model content

The purpose of the utility model is to provide a kind of concerted reaction device, which solve the removing of boiler instantly dioxin systems not The problem of energy simultaneous removing itrated compound and dioxin, has on the basis of dedusting, desulfurization and recuperation of heat, being capable of simultaneous removing nitre The advantages of compound, dioxin.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of boiler removing dioxin system, includes boiler plant and chimney, it is characterized in that: further including economizer, sky Air preheater, deduster, pressure fan, desulphurization plant and concerted reaction device, the interior setting of the concerted reaction device are respectively set useful In two cavitys for holding de- nitride catalyst and de- dioxin catalyst, the economizer is set on boiler plant and passes through Exhaust pipe is connect with chimney, and the concerted reaction device, air preheater, deduster pass sequentially through exhaust pipe with desulphurization plant and connect Between economizer and chimney, air supply tube is connected between the pressure fan and boiler plant, the air preheater, which is connected to, to be sent On air hose.

So set, can reach the requirement of dedusting by the way that deduster is arranged, desulfurization can reach by the way that desulphurization plant is arranged Effect can reach the effect of recuperation of heat by setting air preheater, pressure fan and air supply tube, can reach by the way that economizer is arranged The effect for saving fuel can reach the effect of simultaneous removing itrated compound, dioxin by the way that concerted reaction device is arranged.

Further preferably are as follows: the concerted reaction device includes shell, air inlet and air outlet, it is characterized in that: including adjusting Mechanism and for control shell overturning rotating mechanism, the regulating mechanism include baffle, the first material storing box, the second material storing box, Third adjustable plate and the first adjustable plate and the second adjustable plate on baffle, the baffle are controlled and are slid by an actuator It is connected in shell and in inside division at the first catalyst tank and the second catalyst tank, first material storing box and the second storing Case is on one, is once correspondingly arranged；

First material storing box is set in the first catalyst tank and by the separation of the first adjustable plate and with the activity of the first adjustable plate First is formed with to reload mouth；Second material storing box is set to and the second catalyst tank is interior and common by the second adjustable plate and third adjustable plate Separate, be formed with second with third adjustable plate activity simultaneously and reload mouth, passes through one between second adjustable plate and third adjustable plate Gear mechanism connects and is controlled by gear mechanism and moves backward.

So set, the space size that adjustment the first catalyst tank and the second catalyst tank can be achieved is slid by baffle, Can be realized by the first adjustable plate will be stored in the catalyst of the first material storing box in advance is automatically added to first by first mouth that reloads Catalyst tank, by the second adjustable plate, third adjustable plate and gear mechanism, it can be achieved that the glide direction of third adjustable plate and baffle It reloads mouth on the contrary, opening second while reducing by the second catalyst tank space, to reduce the catalytic amount of the second catalyst tank. Shell overturning is driven by rotating mechanism, controllable register can reach the reduction of the dosage in the first catalyst tank, second again at this time The increased effect of dosage in catalyst tank.

It advanced optimizes are as follows: the gear mechanism includes upper rack, lower rack gear and first gear, and the upper rack is fixed It is connected on the second adjustable plate, described, the lower rack gear is fixedly connected on third adjustable plate, the first gear rotation connection On on the inner wall of the housing and the upper end of first gear is engaged with upper rack, the lower end of first gear is engaged with lower rack gear.

So set, can reach third adjustable plate and baffle direction of motion reverse effect, thus when reaching baffle movement Can open simultaneously first reload mouth and second reload mouth effect.

Further preferably are as follows: the rotating mechanism includes bracket and second gear, and the air inlet is equipped with gear Interface is entered the wind, air inlet interface is rotationally connected with bracket and drives with the second gear, and the second gear is by motor driven.Institute It states air outlet and is equipped with the outlet air interface connecting with holder pivots.

Flip cover is carried out by control motor so set, can reach, to realize that concerted reaction device carries out in next step Increase and decrease catalyst operation.

Further preferably are as follows: reload first and be fixed with the first mesh plate on mouth, reload second and be fixed with second on mouth The aperture of mesh plate, first mesh plate and the second mesh plate is all larger than catalyst.

So set, handing over material storing box and the catalyst of catalyst tank by the first mesh plate of setting and the second mesh plate It changes more smooth.

Further preferably are as follows: baffler, described baffler one end and third adjustable plate are additionally provided on second adjustable plate It is connected close to one end of baffle, the other end is vertical with the second adjustable plate to be connect.

So set, having reached effective prevention by setting baffler and being stored in the second catalyst tank by gap first Gap between adjustable plate and the second adjustable plate carries out the phenomenon that catalyst exchanges.

Further preferably are as follows: chain drive between air inlet interface and the second gear.

So set, making to be entered the wind the process of interface more in driving by motor-driven second gear by chain drive Stablize smooth.

Further preferably are as follows: the actuator is driving cylinder.

Effectively baffle is driven to be slid so set, can reach through control cylinder, has reached this adjusting collaboration Reactor feature easy to control.

Further preferably are as follows: first adjustable plate and the sliding of the second adjustable plate are connected on shell.

So set, make baffle more brisk when driving the first adjustable plate and the second adjustable plate, it is easy to use.

In conclusion the utility model has the following beneficial effects:

1, by setting concerted reaction device, can reach can simultaneous removing itrated compound, dioxin effect.

2, control cylinder moving stop can reach by design baffle, the first catalyst tank, the second catalyst tank and cylinder To adjust the space size of the first catalyst tank and the second catalyst tank;

3, reached by the first adjustable plate of design, the second adjustable plate, third adjustable plate, upper rack, lower rack gear, first gear The dosage of the first catalyst tank Yu the second catalyst tank is had adjusted while moving stop.

4, by design air inlet interface, outlet air interface, bracket, second gear, chain reached to shell overturn from And carry out the effect of reversed increase and decrease catalyst dosage.

5, this boiler is made to remove dioxin system in increase and decrease catalyst process more by design mesh plate, baffler Smooth steady.

Detailed description of the invention

Fig. 1 is the general frame figure of this boiler removing dioxin system, and the total system for showing the utility model is constituted.

Fig. 2 is the partial sectional view of concerted reaction device, shows this boiler removing dioxin system and collaboration thereon is anti- Answer the internal structure of device；

Fig. 3 is the enlarged drawing of concerted reaction device part A, shows this boiler removing dioxin system and collaboration thereon is anti- Answer the detailed configuration of device part A;

Fig. 4 is the side sectional view of concerted reaction device, shows this boiler removing dioxin system and collaboration thereon is anti- Answer the internal structure of device.

In figure, 1, shell, 2, air inlet, 3, air outlet, 4, baffle, 5, bracket, 6, cylinder, the 7, first catalyst tank, 8, Second catalyst tank, the 9, first adjustable plate, the 10, first material storing box, the 11, second adjustable plate, 12, upper rack；13, first gear, 14, third adjustable plate, 15, lower rack gear, the 16, second material storing box, 17, air inlet interface, 18, second gear, 19, outlet air interface, 20, First mesh plate, the 21, second mesh plate, 22, baffler, 23, chain, 24, first reloads mouth, and 25, second reloads mouth, 26, pot Furnace apparatus, 27, economizer, 28, air preheater, 29, deduster, 30, pressure fan, 31, desulphurization plant, 32 chimneys, 33, collaboration Reactor, 34, air supply tube.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of boiler removing dioxin system, as shown in Figure 1, including boiler plant 26, economizer 27, air preheater 28, deduster 29, pressure fan 30, desulphurization plant 31, chimney 32 and concerted reaction device 33 are set in the concerted reaction device 33 Two cavitys for being separately provided for holding de- nitride catalyst and de- dioxin catalyst are set, the boiler plant 26 is logical Economizer 27 is crossed to be connected to the air inlet 2 of concerted reaction device 33, the concerted reaction device 33 pass through air preheater 28 after successively It is finally connected to by deduster 29, desulphurization plant 31 and with chimney 32, has also extended through air supply duct in the air preheater 28 34, described 34 one end of air supply duct is connected with pressure fan 30, and the other end is connected to boiler plant 26.

As shown in Figure 2, Figure 4 shows, the concerted reaction device 33 includes shell 1, air inlet 2 and air outlet 3, further includes having gear Plate 4 and bracket 5.The sliding of baffle 4 is connected on 1 inner wall of shell, and baffle 4 is equipped with cylinder 6 and baffle 4 is driven by cylinder 6, baffle 4 form the first catalyst tank 7 with 1 side inner wall of shell, and baffle 4 and 1 other side inner wall of shell form the second catalyst tank 8.

Referring to Fig.1, the first catalyst tank 7 is equipped with the first adjustable plate 11, and one end of the first adjustable plate 11 is fixed on baffle 4 On, the other end is abutted far from baffle 4 and with 1 inner wall of shell, forms the first material storing box 10, and the first material storing box 10 is equipped with first and reloads Mouthfuls 24 and first the opening and closing for reloading mouth 24 be controlled by the movement of the first adjustable plate 11, first, which reloads, is further fixed on the first net on mouth 24 Orifice plate 20.

In conjunction with attached drawing 1, Fig. 2, second catalyst tank 8 is equipped with the second adjustable plate 11, first gear 13 and third and adjusts Plate 14,11 one end of the second adjustable plate is fixed on baffle 4 and adjustable plate is equipped with upper rack 12, and the rotation of first gear 13 connects It is connected to 1 inner wall of shell, the sliding of third adjustable plate 14 is connected on the inner sidewall of shell 1, and third adjustable plate 14 is equipped with down Rack gear 15, and upper rack 12 is engaged with the upper end of first gear 13, lower rack gear 15 is engaged with the lower end of first gear 13.Described Two adjustable plates 11 divide the second catalyst tank 8 with third adjusting together and constitute the second material storing box 16 with baffle 4,1 inner wall of shell, Second material storing box 16 is equipped with second and reloads mouth 25 and the second opening and closing for reloading mouth 25 is controlled by the movement of third adjustable plate 14. It is fixed with baffler 22 close to one end of baffle 4 in third adjustable plate 14,22 other end of baffler is vertical with the second adjustable plate 11 Connection.

As shown in Figure 1, Figure 3, it is equipped at air inlet 2 and is fixedly connected with shell 1 and is connect with the air inlet of the rotation connection of bracket 5 The side wall of mouth 17, air inlet interface 17 with gear and is equipped with the chain 23 being meshed with the gear of air inlet interface 17, in chain 23 The other end is equipped with the second gear 18 by motor control.

When in use, first pass through cylinder 6 keeps baffle 4 mobile to this concerted reaction device 33, drives first in 4 moving process of baffle Adjustable plate 11 to carry out catalyst transport by the mouth that reloads between the first material storing box 10 and the first catalyst tank 7, meanwhile, upper Under the action of rack gear 12, first gear 13 and lower rack gear 15, third adjustable plate 14 is opposite with the direction of motion of baffle 4 to open Second material storing box 16, so that the second catalyst tank 8 carries out catalyst transport to the second material storing box 16.Motor is opened at this time, Roll-shell 1 under the action of two gears 18, air inlet interface 17, chain 23, the baffle 4 for carrying out opposite direction again is mobile, can be real Now 7 space of the first catalyst tank and dosage reduction and 8 space of the second catalyst tank and dosage increase, and have reached through baffle 4 It adjusts the space size of catalyst tank and realizes while increasing and decreasing the effect of catalytic amount.

This boiler is deviate from dioxin system, and gas is first discharged by the boiler plant 26 with economizer 27, into collaboration Reactor 33 carries out denitration compound and de- dioxin, is successively dusted 29 dedusting of device after being discharged by concerted reaction device 33 again, takes off 31 desulfurization of sulphur equipment is simultaneously finally discharged through chimney 32, wherein increasing air preheater 28 between concerted reaction device 33 and deduster 29 Carry out heat exchange, the heat of exchange sends boiler plant 26 back to through pressure fan 30, makes full use of energy, have dedusting, desulfurization and On the basis of recuperation of heat, can simultaneous removing itrated compound, dioxin the advantages of.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as within the protection scope of the present utility model all by the protection of Patent Law.

Claims (9)

1. It include boiler plant (26) and chimney (32), it is characterized in that: further including province's coal 1. a kind of boiler removes dioxin system Device (27), air preheater (28), deduster (29), pressure fan (30), desulphurization plant (31) and concerted reaction device (33), it is described Setting is separately provided for holding two chambers of de- nitride catalyst and de- dioxin catalyst in concerted reaction device (33) Body, the economizer (27) are set on boiler plant (26) and are connect by exhaust pipe with chimney (32), the concerted reaction device (33), air preheater (28), deduster (29) and desulphurization plant (31) pass sequentially through exhaust pipe be connected to economizer (27) and Between chimney (32), air supply tube (34), the air preheater are connected between the pressure fan (30) and boiler plant (26) (28) it is connected on air supply tube (34).
2. 2. boiler according to claim 1 removes dioxin system, it is characterized in that: the concerted reaction device (33) includes shell Body (1), air inlet (2), air outlet (3), regulating mechanism and the rotating mechanism for controlling shell overturning, the regulating mechanism packet Include baffle (4), the first material storing box (10), the second material storing box (16), third adjustable plate (14) and be set to baffle (4) on first Adjustable plate (9) and the second adjustable plate (11), the baffle (4), which is controlled and slid by an actuator, to be connected in shell and in inside It is divided into the first catalyst tank (7) and the second catalyst tank (8), first material storing box (10) and the second material storing box (16) are in one Above, it is once correspondingly arranged；

   First material storing box (10) is set in the first catalyst tank (7) and is separated by the first adjustable plate (9) and adjusted with first Plate (9) activity is formed with first and reloads mouth (24), and the second material storing box (16) is set to be adjusted in the second catalyst tank (8) and by second Section plate (11) and third adjustable plate (14), which separate jointly while being formed with second with third adjustable plate (14) activity, to reload mouth (25), it is connect by a gear mechanism between second adjustable plate (11) and third adjustable plate (14) and is controlled by gear mechanism and done Reverse movement.
3. 3. boiler according to claim 2 removes dioxin system, it is characterized in that: the gear mechanism includes upper rack (12), lower rack gear (15) and first gear (13), the upper rack (12) is fixedly connected on the second adjustable plate (11), described, The lower rack gear (15) is fixedly connected on third adjustable plate (14), and the first gear (13) is rotatably connected in shell (1) On the wall and upper end of first gear (13) is engaged with upper rack (12), the lower end of first gear (13) is engaged with lower rack gear (15).
4. 4. boiler according to claim 2 removes dioxin system, it is characterized in that: the rotating mechanism includes bracket (5) and second gear (18), the air inlet (2) are equipped with the air inlet interface (17) with gear, air inlet interface (17) rotation connection It is driven in bracket (5) and with the second gear (18), the second gear (18) is set by motor driven, the air outlet (3) There is the outlet air interface (19) with bracket (5) rotation connection.
5. 5. boiler according to claim 2 removes dioxin system, it is fixed on mouth (24) it is characterized in that: reloading first First mesh plate (20) reloads second and is fixed with the second mesh plate (21) on mouth (25), first mesh plate (20) and the The aperture of two mesh plates (21) is all larger than catalyst.
6. 6. boiler according to claim 2 removes dioxin system, it is characterized in that: also setting on second adjustable plate (11) Have baffler (22), described baffler (22) one end and third adjustable plate (14) connects close to the one end of baffle (4), the other end and Second adjustable plate (11) vertically connects.
7. 7. boiler according to claim 2 removes dioxin system, it is characterized in that: the air inlet interface (17) and the second tooth Chain (23) is driven between taking turns (18).
8. 8. boiler according to claim 2 removes dioxin system, it is characterized in that: the actuator is driving cylinder (6).
9. 9. boiler according to claim 2 removes dioxin system, it is characterized in that: first adjustable plate (9) and second Adjustable plate (11) sliding is connected on shell (1).