The compound wet electrical dust precipitator of ceramet
Technical field
The utility model is related to the technical fields of smoke eliminator, more particularly, to a kind of compound wet type electricity of ceramet
Deduster.
Background technology
In the flue gas system of thermal power plant, due to containing sulfur dioxide in the exhaust gas after coal combustion, to reduce to environment
Pollution needs the element sulphur in coal becoming solid with the methods of calcium base is fixed, to prevent the sulfur dioxide that burning generates to big
The pollution of gas.To the desulfurization generally use Wet Flue Gas Desulfurization Technology of exhaust gas.Wet desulphurization is to enter the former flue gas after dedusting
Baffling comes into full contact with the slurries sprayed upwards behind absorption tower, and the acid ingredients such as sulfur dioxide in flue gas are absorbed, then
It flows in series through demister and removes contained droplet, washed and purification flue gas outflow absorption tower enters smoke stack emission.
Currently, generally using wet electrical dust precipitator to waste gas dedusting.Wet electrical dust precipitator mainly handle it is aqueous higher or even
The humid gas of saturation, its working principle is that:By high-voltage corona discharge so that dust charged, it is charged after dust electric field force work
With lower arrival collecting plate.To wet electrical dust precipitator by the way of periodic flushing, make dust on dust accumulation plate with washing away liquid
Flowing and remove.
Wet electrical dust precipitator during existing skill is stated generally comprises dedusting shell, wet electrical dust collector device, spray equipment.Wet electricity removes
Dirt device, spray equipment are set to dedusting enclosure interior.Due to the ingredient containing strong corrosives such as sulfur dioxide in exhaust gas,
It is easy to that the wallboard of dedusting enclosure interior is caused to corrode.Meanwhile spray equipment spray causes the wet environment of dedusting enclosure interior,
Further strengthen the corrosion to dedusting shell wallboard.
Utility model content
The purpose of this utility model is to provide a kind of compound wet electrical dust precipitators of ceramet, to alleviate in the prior art
Due to the ingredient containing strong corrosives such as sulfur dioxide in exhaust gas, it is easy to that dedusting enclosure interior wallboard is caused to corrode;
Spray equipment sprays the wet environment for causing dedusting enclosure interior wallboard, further strengthens the technology of the corrosion to dedusting shell wallboard
Problem.
The utility model provides a kind of compound wet electrical dust precipitator of ceramet, including:Dedusting shell, wet electric precipitation dress
It sets, spray equipment;
The exhanst gas outlet that the dedusting shell one end is provided with gas inlet, is oppositely arranged with the gas inlet, it is described
Wet electrical dust collector device is set to the gas inlet in the dedusting shell, between exhanst gas outlet, for passing through the wet electricity
Dust-extraction unit is adsorbed from the dust in the air in the gas inlet;The spray equipment is set to the wet electrical dust collector device
Top, the dust for cleaning the wet electric precipitation dress absorption;
The dedusting shell includes top plate and bottom plate and multiple wallboards, and multiple wallboards are sequentially connected end to end, and the top plate,
It is respectively arranged at the both sides of multiple wallboards between bottom plate, and encloses and is set as cavity;
The wallboard includes:Metallic plate and the first liner layer, first liner layer are set to the metallic plate close to institute
The side of cavity is stated, and first liner layer is made of ceramic-metal composites.
Further, the metallic plate is provided with protrusion with the liner at the side being bonded;First liner layer with
The side of the metallic plate fitting is provided with recess portion;The recesses fit of the protrusion of the metallic plate and the liner layer, so that institute
Metallic plate is stated to be fixedly connected with first liner layer;
The recess depths are less than the half of the first liner layer thickness.
Further, the quantity of the protrusion is set as multiple, and the recess portion corresponds to multiple protrusions and is set as multiple.
Further, further include reinforcing prop, the section of the reinforcing prop is triangle;
Along the length direction of the triangle, wherein the side sides Liang Ge of the reinforcing prop respectively with two adjacent institutes
State the first liner layer connection of wallboard;
The reinforcing prop is made of ceramic-metal composites.
Further, the one end of the bottom plate far from top plate is provided with ash bucket, and the opening of the ash bucket is set to described wet
The side of the far described spray equipment of electrical dust collector device, for keeping the liquid that the spray equipment sprays the wet electrical dust collector device logical
Cross the ash bucket outflow;
The bottom plate is provided with the second liner layer close to the side of the cavity, and second liner layer is pasted with the bottom plate
It closes;The ash bucket is provided with third liner layer, the interior table of the third liner layer and the ash bucket close to the side of the cavity
Face paste is closed;
Second liner layer, third liner layer are made of ceramic-metal composites.
Further, the round and smooth connection in end of second liner layer and the third liner layer.
Further, along the connecting pin of the ash bucket and the bottom plate, the ash bucket is outer with the connecting pin of the bottom plate
Side is provided with reinforcing rib.
Further, the top plate is provided with the 4th liner layer close to the side of the cavity, the 4th liner layer with
The top plate fitting, the 4th liner layer are made of ceramic-metal composites.
Further, the top plate is provided with mounting hole, and the spray equipment includes inlet tube and nozzle, the inlet tube
It is connect with institute or nozzle by the mounting hole, is connected by sealing ring between the inlet tube and the nozzle.
Further, further include fume inlet passage and smoke-outlet flue;
The gas inlet is set to one end far from the wallboard of the fume inlet passage, the exhanst gas outlet is set to institute
State the one end of smoke-outlet flue far from the wallboard;
Being sticked in the fume inlet passage has the 5th liner layer, and the 5th liner layer smoothly connects with first liner layer
It connects;
Being sticked in the smoke-outlet flue has the 6th liner layer, and the 6th liner layer smoothly connects with first liner layer
It connects.
The utility model provides a kind of compound wet electrical dust precipitator of ceramet, including:Dedusting shell, wet electric precipitation dress
It sets, spray equipment;The exhanst gas outlet that the dedusting shell one end is provided with gas inlet, is oppositely arranged with the gas inlet,
The wet electrical dust collector device is set to the gas inlet in the dedusting shell, between exhanst gas outlet, for by described
Wet electrical dust collector device is adsorbed from the dust in the air in the gas inlet;The spray equipment is set to the wet electric precipitation
The top of device, the dust for cleaning the wet electric precipitation dress absorption;The dedusting shell includes top plate and bottom plate and multiple walls
Plate, multiple wallboards are sequentially connected end to end, and the both sides of multiple wallboards are respectively arranged between the top plate and bottom plate, and are enclosed
It is set as cavity;The wallboard includes:Metallic plate and the first liner layer, first liner layer are set to the metallic plate close to institute
The side of cavity is stated, and first liner layer is made of ceramic-metal composites.Since ceramic-metal composites are both protected
The characteristics such as high intensity, high rigidity, wear-resistant, high temperature resistant, the anti-oxidant and chemical stability of ceramics are held, and with preferable gold
Belong to toughness, high-termal conductivity and good thermal stability, the first liner layer of wallboard made by using ceramic-metal composites,
Corrosion, wear and cavitation erosion of the sulfur dioxide in exhaust gas to dedusting shell wallboard can be reduced, metallic plate is made not to be damaged,
Meanwhile metallic plate is generally as steel, ceramic-metal composites make the first liner layer and the caking property of metallic plate is strong, and ceramics
The coefficient of thermal expansion of the first liner layer and metallic plate that metallic composite makes is essentially identical, therefore slows down the first liner layer
The phenomenon that being detached from metallic plate, the first liner layer can keep its good usability in low temperature (- 40 DEG C) and high temperature (200 DEG C)
Can, therefore metallic plate road is made to be not easily susceptible to destroy, improve the service life of wallboard.It ensure that wet method fume desulfurizing system just
Chang Zuoye.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the sectional view of the compound wet electrical dust precipitator of ceramet provided by the utility model;
Fig. 2 is the schematic diagram of the wallboard in the compound wet electrical dust precipitator of ceramet provided by the utility model;
Fig. 3 is that the wallboard in the compound wet electrical dust precipitator of ceramet provided by the utility model is provided with recess portion and protrusion
Schematic diagram;
Fig. 4 is the sectional view of the compound wet electrical dust precipitator entirety of ceramet provided by the utility model;
Fig. 5 is the schematic diagram that the compound wet electrical dust precipitator of ceramet provided by the utility model is provided with reinforcing prop;
Fig. 6 is the schematic diagram on the compound wet electrical dust precipitator top of ceramet provided by the utility model.
Icon:1- dedusting shells;11- top plates;The 4th liner layers of 111-;112- mounting holes;12- bottom plates;In 121- second
Lining;13- wallboards;131- metallic plates;The protrusions 1311-;The first liner layers of 132-;1321- recess portions;14- reinforcing props;2- is logical into cigarette
Road;21- gas inlets;The 5th liner layers of 22-;3- smoke-outlet flues;31- exhanst gas outlets;The 6th liner layers of 32-;4- ash buckets;41-
Third liner layer;The wet electrical dust collector devices of 5-;6- spray equipments;61- inlet tubes;62- nozzles;63- sealing rings.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body;It can be mechanical connection, can also be electrical connection;It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
As depicted in figs. 1 and 2, the utility model provides a kind of compound wet electrical dust precipitator of ceramet, including:Dedusting
Shell 1, wet electrical dust collector device 5, spray equipment 6;1 one end of dedusting shell is provided with gas inlet 21 and gas inlet 21 is opposite
The exhanst gas outlet 31 of setting, wet electrical dust collector device 5 are set to the gas inlet 21 in dedusting shell 1, between exhanst gas outlet 31, use
It is adsorbed from the dust in the air in gas inlet 21 in by wet electrical dust collector device 5;Spray equipment 6 is set to wet electric precipitation dress
The top for setting 5, the dust for cleaning wet electric precipitation dress absorption;Dedusting shell 1 includes top plate 11, bottom plate 12 and multiple wallboards
13, multiple wallboards 13 are sequentially connected end to end, and the both sides of multiple wallboards 13 are respectively arranged between top plate 11, bottom plate 12, and are enclosed
It is set as cavity;Wallboard 13 includes:Metallic plate 131 and the first liner layer 132, it is close that the first liner layer 132 is set to metallic plate 131
The side of cavity, and the first liner layer 132 is made of ceramic-metal composites.
Since the ceramic content of the first liner layer 132 of ceramic-metal composites making is more than 95 percent, because
This have very well after wearability and anti-corrosive properties.Meanwhile the matrix of the first liner layer 132 of ceramic-metal composites making is adopted
With organic polymer, on the basis of inorganic ceramic makees reinforcing agent, by specific technique, certain temperature, vacuum degree and
Hinge occurs under pressure, it is thus possible to metallic plate 131 (generally stainless steel) secure fit, and ceramic-metal composites system
Coefficient of thermal expansion and the metallic plate 131 for making the first liner layer 132 are essentially identical, so the first of ceramic-metal composites making
Liner layer 132 is not in cause greatly due to the service life to the de- wall of raising because adhesion strength reduces coefficient of thermal expansion,
It ensure that the normal operation of wet method fume desulfurizing system.Thus, ceramic-metal composites had both maintained the high intensity of ceramics, height
The characteristics such as hardness, wear-resistant, high temperature resistant, anti-oxidant and chemical stability, and with preferable metal toughness, high-termal conductivity and good
Good thermal stability makes the first liner layer 132 by using ceramic-metal composites, can reduce corruption of the exhaust gas to wall
Erosion, abrasion and cavitation erosion, make metallic plate 131 not to be damaged, ensure that the normal operation of wet method fume desulfurizing system.
First liner layer 132 is the surface that metallic plate 131 is applied to by ceramic-metal composites, certain temperature,
Ceramic-metal composites are made to be covered on the surface of metallic plate 131, and the surface light of the first liner layer 132 under pressure and vacuum degree
It is sliding.
In order to make metallic plate 131 and the first liner layer 132 be not easy glass, as shown in figure 3, metallic plate 131 and the first liner
The side of 132 fitting of layer is provided with protrusion 1311;The side that first liner layer 132 is bonded with metallic plate 131 is provided with recess portion
1321;The protrusion 1311 of metallic plate 131 and the recess portion 1321 of liner layer coordinate, above-mentioned setting, increased first liner layer 132 with
Fitting area between metallic plate 131, so that metallic plate 131 is fixedly connected with the first liner layer 132.Meanwhile in dedusting shell 1
When receiving the air-flow beaten or pressure, vibration, the first interior lining panel is not susceptible to relative displacement with metallic plate 131.In order to ensure protrusion
1311 are not easily susceptible to corrode, and are less than the half of 132 thickness of the first liner layer in 1321 depth of recess portion, to avoid protrusion 1311
Local corrosion in protrusion 1311 and the junction of recess portion 1321.
Further, the quantity of raised part 1311 could be provided as multiple, and recess portion 1321 corresponds to multiple protrusions 1311 and sets
It is set to multiple.Above-mentioned setting, to ensure being bonded for metallic plate 131 and the first liner layer 132.
Raised part 1311 can be welded in the surface of metallic plate 131.When smearing the first liner layer 132, recess portion is formed
1321, and recess portion 1321 is coated on the outer surface of protrusion 1311.
In order to make the sealing of junction between two wallboards 13, the compound wet type electricity of ceramet provided by the utility model remove
Dirt device can also include reinforcing prop 14, as shown in figure 5, the section of reinforcing prop 14 is triangle;Along the length direction of triangle,
Two sides of middle reinforcing prop 14 are connect with the first liner layer 132 of two adjacent wallboards 13 respectively, not only slow down two walls
The antiseptic property of junction between plate 13, while keeping the connection between two wallboards 13 more secured;Reinforcing prop 14 is by ceramic metal
Belong to composite material to be made, so that reinforcing prop 14 is not easily susceptible to damage.
As shown in figure 4, the one end of bottom plate 12 far from top plate 11 is provided with ash bucket 4, the opening of ash bucket 4 is set to wet electric precipitation
The side of 5 remote spray equipment 6 of device, the liquid for making spray equipment 6 spray wet electrical dust collector device 5 pass through ash bucket 4 and flow out.Bottom
Plate 12 is provided with the second liner layer 121 close to the side of cavity, and the second liner layer 121 is bonded with bottom plate 12;Ash bucket 4 is close to cavity
Side be provided with third liner layer 41, third liner layer 41 is bonded with the inner surface of ash bucket 4;In second liner layer 121, third
Lining 41 is made of ceramic-metal composites.Since the ejected wash water that spray equipment 6 sprays contains partial corrosion ingredient,
Therefore above-mentioned setting, avoids the corrosion of 12 ash bucket 4 of bottom plate.
Further, the round and smooth connection in end of above-mentioned second liner layer 121 and third liner layer 41, to avoid ash bucket 4 with
The corrosion of 12 junction of bottom plate.Second liner layer 121 can in an assembling process be integrally formed with third liner layer 41.
It is provided with reinforcing rib on the outside of ash bucket 4 and the connecting pin of bottom plate 12.Above-mentioned setting, avoid ash bucket 4 and bottom plate 12 it
Between disengaging.
Top plate 11 due to inevitably being corroded by the ingredient of the sulfur dioxide contained in exhaust gas, top plate 11
The side of cavity is provided with the 4th liner layer 111, the 4th liner layer 111 is bonded with top plate 11, and the 4th liner layer 111 is by making pottery
Porcelain metallic composite is made.
As shown in fig. 6, above-mentioned top plate 11 is provided with mounting hole 112, spray equipment 6 includes inlet tube 61 and nozzle 62, into
Liquid pipe 61 is connect by mounting hole 112 with institute or nozzle 62, can be connected by sealing ring 63 between inlet tube 61 and nozzle 62
It connects, is overflowed to avoid the exhaust gas in dedusting shell 1.
Further, the compound wet electrical dust precipitator of ceramet provided by the utility model further includes fume inlet passage 2 and goes out
Cigarette channel 3;Gas inlet 21 is set to the one end far from the wallboard 13 of the fume inlet passage 2, exhanst gas outlet 31 is set to institute
State the one end of smoke-outlet flue 3 far from the wallboard 13;Being sticked in fume inlet passage 2 has the 5th liner layer 22, the 5th liner layer
22 are smoothly connected with first liner layer 132;Being sticked in smoke-outlet flue 3 has the 6th liner layer 32, the 6th liner layer 32
It is smoothly connected with first liner layer 132.Above-mentioned setting so that the corrosion at exhaust gas fume inlet passage 2 and smoke-outlet flue 3.
It is additionally provided with homogenating plate between fume inlet passage 2 and wet electrical dust collector device 5, it is useless in inlet channel for making to enter
Gas is more uniform.Above-mentioned homogenating plate can be made of ceramic-metal composites.
In conclusion the compound wet electrical dust precipitator of ceramet provided by the utility model, including:The wall of dedusting shell 1
Plate 13 is provided with the 4th liner layer 111 including the first liner layer 132,11 surface of top plate;12 surface of bottom plate is provided with the 4th liner
Layer 111.Fume inlet passage 2, smoke-outlet flue 3 surface be respectively arranged with the 5th liner layer 22, the 6th liner layer 32.In above-mentioned first
Lining 132, the second liner layer 121, third liner layer 41, the 4th liner layer 111, the 5th liner layer 22, the 6th liner layer 32 by
Ceramic-metal composites are made, and alleviate the degree that dedusting shell 1 is corroded.
Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand:It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement;And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.