CN209501290U - A kind of pre electrified desulfurizer - Google Patents
A kind of pre electrified desulfurizer Download PDFInfo
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- CN209501290U CN209501290U CN201920003668.XU CN201920003668U CN209501290U CN 209501290 U CN209501290 U CN 209501290U CN 201920003668 U CN201920003668 U CN 201920003668U CN 209501290 U CN209501290 U CN 209501290U
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Abstract
The utility model discloses a kind of pre electrified desulfurizers, it include: desulfurizing tower tower body, in the injection spray pipe group of desulfurizing tower tower body being internally provided with desulfurizing tower tower body phase insulation and the downward atomization desulfurization slurry of energy, it is provided in desulfurizing tower tower body below injection spray pipe group and desulfurizing tower tower body phase insulation and can be to the condensation pre electrified grid that flue gas cools down, the condensation pre electrified grid is connected with the positive electrode and negative electrode for the high voltage power supply being set to outside desulfurizing tower tower body respectively with injection spray pipe group, the desulfurizing tower tower body inner space formation for making injection spray pipe group and condensing between pre electrified grid can be to the electric field of atomization desulfurization slurry progress pre electrified.The utility model has the advantages that: integrate air-flow adjustment, charged, desulfurization, the water-saving Bai Si kind function that disappears in advance, desulfurization effect is good.
Description
Technical field
The utility model relates to flue gas desulfurization technique fields, and in particular to a kind of pre electrified desulfurizer.
Background technique
China's atmosphere polluting problem very severe, the compound atmosphere polluting problem such as gray haze, photochemical fog and acid rain is still
It is more prominent.Increase very urgent to the comprehensive improvement dynamics of atmospheric environment, country puts into effect energy-saving and emission-reduction policy successively, enhances pair
Control of the key industrys such as coal-burning power plant, coal-burned industrial boiler to atmosphere pollution, and flue gas desulfurization has been included in improvement schedule.
Currently, generalling use the desulfurization that wet desulphurization carries out flue gas, due to having on Wet Flue Gas Desulfurization Technique, desulfuration efficiency is high, compares into
The advantages that ripe, operating experience is relatively abundanter, practical, it has also become apply most, most common flue gas desulfurization technique.Wet process is de-
Sulphur mainly by the spray atomizing desulfurization lime slurry into desulfurizing tower tower body, fills atomization desulfurization with lime slurry and flue gas
Tap is touched and achievees the purpose that remove SO2 in flue gas.But that there are still spray flows is big, fogdrop diameter is big, de- for Wet Flue Gas Desulfurization Technique
The problems such as sulphur effect is poor, operating cost is high, these problems become hinder Wet Flue Gas Desulfurization Technique China it is widely applied it is important because
One of element.
Utility model content
The purpose of the utility model is to provide a kind of good pre electrified desulfurizers of desulfurization effect.
To achieve the above object, the utility model adopts the technical scheme that a kind of pre electrified desulfurizer,
It include: desulfurizing tower tower body, in being internally provided with and desulfurizing tower tower body phase insulation and energy atomization desulfurization downwards for desulfurizing tower tower body
The injection spray pipe group of slurries is provided in the desulfurizing tower tower body below injection spray pipe group and desulfurizing tower tower body phase insulation and can be to flue gas
The condensation pre electrified grid cooled down, the condensation pre electrified grid and injection spray pipe group respectively be set to desulfurizing tower tower
The positive electrode and negative electrode of high voltage power supply outside body are connected, and make injection spray pipe group and condense the desulfurizing tower tower body between pre electrified grid
Inner space to be formed can be to the high voltage electric field of desulfurization slurry droplet pre electrified.
Further, a kind of pre electrified desulfurizer above-mentioned, in which: condensation pre electrified grid is by several condensation pre electrifieds
Grid modules composition, it is described condensation pre electrified grid modules structure include: be distributed in arranged on left and right sides annular water inlet header with
Annular water outlet header is communicated with the water inlet pipe for stretching out desulfurizing tower tower body, water inlet pipe and desulfurizing tower tower body in annular water inlet header
Between phase insulated enclosure, the outlet pipe for stretching out desulfurizing tower tower body, outlet pipe and desulfurizing tower tower are communicated in annular water outlet header
Phase insulated enclosure between body is provided with several layers in spaced up and down between annular water inlet header and annular water outlet header
Condenser pipe heat exchange layer, every layer of condenser pipe heat exchange layer are made of several condenser pipes in grid-like distribution, and every condenser pipe
Both ends are respectively communicated with annular water inlet header and annular water outlet header.
Further, a kind of pre electrified desulfurizer above-mentioned, in which: condensation pre electrified grid on be additionally provided with to
The conduit saddle plate that each condenser pipe is fixed simultaneously.
Further, a kind of pre electrified desulfurizer above-mentioned, in which: between condensation pre electrified grid and desulfurizing tower tower body
Specific mounting structure are as follows: be symmetrically arranged with several pairs of crossbeam spacing brackets on the inner wall of desulfurizing tower tower body, condensing pre- lotus
The bottom of electric grid is provided with several crossbeams, and every crossbeam is placed in a pair of beams spacing bracket by cross-over block insulation correspondence
On, condensation pre electrified grid is insulated and the insulation of each crossbeam is placed in corresponding crossbeam spacing bracket in desulfurizing tower
In tower body.
Further, a kind of pre electrified desulfurizer above-mentioned, in which: the structure of injection spray pipe group includes: including by several
Intersect the mounting rack that the spraying straight tube of connection is formed, the spraying ring that several circles are connected with spraying straight tube is provided on mounting rack
Pipe is provided with several spouts spray nozzle directed downwardly in the bottom of all spraying straight tubes and all spraying endless tubes, and spraying straight tube is logical
It crosses inlet tube to be connected with the circulating pump outside desulfurizing tower tower body, phase insulated enclosure between inlet tube and desulfurizing tower tower body.
Further, a kind of pre electrified desulfurizer above-mentioned, in which: specific between injection spray pipe group and desulfurizing tower tower body
Mounting structure are as follows: circumferentially arranged on the inner wall of desulfurizing tower tower body to have several lower mounting racks, all lower mounting racks are collectively formed
Platform is shelved to shelve injection spray pipe group, when injection spray pipe group is placed in by the insulation of several cross-over blocks shelves on platform,
Several upper mounting racks are provided in injection spray pipe group, upper mounting rack and lower mounting rack correspond, each pair of corresponding upper mounting rack
It is locked with lower mounting rack by insulated bolt, is fixed on the insulation of injection spray pipe group in desulfurizing tower tower body.
Further, a kind of pre electrified desulfurizer above-mentioned, in which: in the desulfurizing tower tower body above injection spray pipe group also
Be provided with demisting grid, demisting grid is made of several pieces of baffle plate grid modules, the structure of baffle plate grid modules include: with
The lower fixed beam that desulfurizing tower tower body inner wall is connected to a fixed is sequentially arranged at intervals with several along its length in lower fixed beam
Block baffle plate, the lower end of all baffle plates are connected to a fixed with lower fixed beam, and the shape of baffle plate ensures two pieces of adjacent bafflings
Full of twists and turns demisting channel can be formed between plate, the upper end of all baffle plates is connected to a fixed with upper fixed beam, upper solid
Determine to be provided with vibrating motor on beam.
Further, a kind of pre electrified desulfurizer above-mentioned, in which: be integrally extended with outward on the side wall of baffle plate
Protrude into the droplet baffle in corresponding demisting channel.
Further, a kind of pre electrified desulfurizer above-mentioned, in which: set in the desulfurizing tower tower body above demisting grid
It is equipped with the wiper mechanism to be cleaned to demisting grid, the structure of wiper mechanism includes: by several cleaning endless tubes and cleaning
The cleaning pipe group of straight tube composition being installed in desulfurizing tower tower body inner wall is respectively arranged on each cleaning endless tube and cleaning straight tube
The washer jet of several spouts demisting grid downward, the cleaning outside cleaning straight tube and desulfurizing tower tower body in cleaning pipe group
Pump is connected.
Further, a kind of pre electrified desulfurizer above-mentioned, in which: specific between cleaning pipe group and desulfurizing tower tower body
Connection structure includes: circumferentially arranged on the inner wall of desulfurizing tower tower body to have several lower mounting racks, all lower common shapes of mounting rack
Platform is shelved at for shelve cleaning pipe group, when cleaning pipe group, which is placed in, shelves on platform, is fixed in cleaning pipe group
Several upper mounting racks, upper mounting rack and lower mounting rack correspond, and each pair of corresponding upper mounting rack and lower mounting rack pass through locking
Bolt is connected to a fixed.
Through the implementation of the above technical solution, the beneficial effects of the utility model are: (1) is cold to two-stage using high voltage power supply
Solidifying pre electrified grid and injection spray pipe group apply high voltage, make injection spray pipe group and condense in the desulfurizing tower tower body between pre electrified grid
Portion space forms high voltage electric field, so that pre electrified is carried out to the desulfurization slurry droplet that injection spray pipe group sprays, after droplet pre electrified,
If droplet surface institute band charged density is sufficiently high, electrostatic force will overcome surface tension that droplet is caused to rupture, to reduce droplet
Diameter increases gas liquid interfacial area, so that the probability for absorbing SO2 increases；And droplet electrification polarity is identical, mutually exclusive,
Pcnten-1 yne-4 uniformity can be greatly improved, the condition of gas-liquid contact is further improved；Droplet electrification simultaneously changes its electronics point
Cloth can enhance the surface-active of droplet, improve SO2 and inhale rate, increase the motive force of absorption process, simultaneously because part SO2 exists
Diffusion reduces resistance to mass tranfer on the way by consumption of chemical reaction in liquid film, and absorption coefficient increases, and substantially increases desulfuration efficiency；
(2) during flue gas enters high voltage electric field from condensation pre electrified grid, the air-flow of original disorderly disorder can be by orderly gas
Stream, and velocity of flue gas can be made to be lower, so that flue gas is contacted with the desulfurization slurry droplet after pre electrified more abundant, to improve de-
Sulphur efficiency；(3) when flue gas and desulfurization slurry droplet are by condensation pre electrified grid, condensation each condenser pipe of pre electrified grid ontology is changed
The condenser pipe of thermosphere can cool down desulfurization slurry droplet with flue gas, due to the reduction of flue-gas temperature, prevent flue gas
The generation of middle vapor reduces exiting flue gas water capacity to the maximum extent, eliminates white cigarette generting machanism, decreases simultaneously
Water resource has been saved in desulfurization moisturizing, and can be more sufficiently mixed with flue gas after desulfurization slurry droplet cooling down contact sufficiently, into
One step improves desulfuration efficiency；(4) demisting efficiency is high, and resistance drop is small, applied widely, can be suitably used for the big flue gas of air velocity
Demisting, and choke preventing function is strong.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pre electrified desulfurizer described in the utility model.
Fig. 2 is the enlarged diagram at the position C shown in Fig. 1.
Fig. 3 is the enlarged diagram at the position D shown in Fig. 1.
Fig. 4 is the enlarged diagram at the position E shown in Fig. 1.
Fig. 5 is the enlarged diagram at the position F shown in Fig. 1.
Fig. 6 is A structural schematic diagram shown in Fig. 1.
Fig. 7 is the structural schematic diagram of the left view direction of Fig. 6.
Fig. 8 is the positional diagram of crossbeam spacing bracket and crossbeam shown in the position G of Fig. 6.
Fig. 9 is the structural schematic diagram that pre electrified grid modules are condensed shown in Fig. 6.
Figure 10 is B structural schematic diagram shown in Fig. 1.
Figure 11 is the enlarged diagram at the position L shown in Fig. 1.
Figure 12 is the enlarged diagram at the position M shown in Fig. 1.
Figure 13 is the enlarged diagram at the position N shown in Fig. 1.
Figure 14 is H structural schematic diagram shown in Fig. 1.
Figure 15 is K structural schematic diagram shown in Fig. 1.
Figure 16 is the structural schematic diagram of baffle plate grid modules shown in Figure 14.
Working state schematic representation when Figure 17 is demisting grid demisting shown in Fig. 1.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, a kind of pre electrified desulfurization dress
It sets, comprising: desulfurizing tower tower body 1 insulate and can be sprayed downwards with 1 phase of desulfurizing tower tower body in being internally provided with for desulfurizing tower tower body 1
Change the injection spray pipe group 2 of desulfurization slurry, is provided in the desulfurizing tower tower body 1 below injection spray pipe group 2 and insulate with 1 phase of desulfurizing tower tower body
And can to the condensation pre electrified grid 3 that flue gas cools down, the condensation pre electrified grid 3 and injection spray pipe group 2 respectively with
The positive electrode and negative electrode for being set to the high voltage power supply 4 outside desulfurizing tower tower body 1 are connected, and make injection spray pipe group 2 and condensation pre electrified lattice
Desulfurizing tower tower body inner space between grid 3 forms the high voltage electric field 5 that pre electrified can be carried out to desulfurization slurry droplet；
In the present embodiment, condensation pre electrified grid 3 is assembled by several condensation pre electrified grid modules 31, described cold
The structure of solidifying pre electrified grid modules 31 includes: to be distributed in the annular water inlet header 311 and annular water outlet header of arranged on left and right sides
312, the water inlet pipe 313 for stretching out desulfurizing tower tower body 1 is communicated in annular water inlet header 311, in water inlet pipe 313 and desulfurizing tower tower
The position that body 1 is in contact is arranged with the first insulation sleeve 314, water inlet pipe 313 by the first insulation sleeve 314 and desulfurizing tower tower body 1 it
Between phase insulated enclosure, annular water outlet header 312 on be communicated with stretch out desulfurizing tower tower body 1 outlet pipe 315, in outlet pipe 315
The position being in contact with desulfurizing tower tower body 1 is arranged with the second insulation sleeve 316, by the between outlet pipe 315 and desulfurizing tower tower body 1
Two insulation sleeves, 316 phase insulated enclosure is provided with several layers between annular water inlet header 311 and annular water outlet header 312 and presents
Under spaced condenser pipe heat exchange layer, every layer of condenser pipe heat exchange layer be made of several condenser pipes 317 in grid-like distribution, and
And the both ends of every condenser pipe 317 are respectively communicated with annular water inlet header 311 and annular water outlet header 312, above-mentioned condensation pre electrified
Grid assembling is very convenient, substantially increases assembly efficiency and maintenance efficiency；In the present embodiment, condensation pre electrified grid 3 with
Specific mounting structure between desulfurizing tower tower body 1 are as follows: several pairs of crossbeam limits are symmetrically arranged on the inner wall of desulfurizing tower tower body 1
Bracket 6 is provided with several crossbeams 7 in the bottom of condensation pre electrified grid 3, and every crossbeam 7 passes through the insulation pair of the first cross-over block 8
It should be placed in a pair of beams spacing bracket 6, condensation pre electrified grid 3 is by being placed in corresponding crossbeam for the insulation of each crossbeam 7
It is insulated in spacing bracket 6 in desulfurizing tower tower body 1, above-mentioned mounting structure is simple and convenient for disassembly and assembly；In the present embodiment,
The conduit saddle plate 318 for being additionally provided with to while fixing to each condenser pipe 317 on condensation pre electrified grid 3, passes through
Conduit saddle plate can prevent each condenser pipe 317 from shaking during the work time, improve the operation stability of equipment and using peace
Quan Xing；
In the present embodiment, the structure of injection spray pipe group 2 includes: including being formed by several spraying straight tubes 21 for intersecting connection
Mounting rack is provided with the spraying endless tube 22 that several circles are connected with spraying straight tube 21 on mounting rack, in all spraying straight tubes 21
And the bottoms of all spraying endless tubes 22 are provided with several spouts spray nozzle 23 directed downwardly, spraying straight tube 21 by inlet tube 24 with
Circulating pump 25 outside desulfurizing tower tower body 1 is connected, and is arranged with third at the position that inlet tube 24 is in contact with desulfurizing tower tower body 1
Insulation sleeve 26, inlet tube 24 pass through phase insulated enclosure, above-mentioned injection spray pipe group structure between third insulation sleeve 26 and desulfurizing tower tower body 1
Simply, convenient to install and maintain；In the present embodiment, the specific mounting structure between injection spray pipe group 2 and desulfurizing tower tower body 1 are as follows:
Circumferentially arranged on the inner wall of desulfurizing tower tower body 1 to have several lower mounting racks 27, all lower mounting racks are collectively formed to shelve spray
Mist pipe group 2 shelves platform, when injection spray pipe group 2 is placed in by the insulation of several second cross-over blocks 28 shelves on platform,
Several upper mounting racks 29 are provided in injection spray pipe group, upper mounting rack 29 is corresponded with lower mounting rack 27, each pair of corresponding upper peace
It shelves 29 to be locked with lower mounting rack 27 by insulated bolt 210, is fixed on the insulation of injection spray pipe group 2 in desulfurizing tower tower body 1,
Above-mentioned mounting structure is simple and convenient for disassembly and assembly；In the present embodiment, it is also set up in the desulfurizing tower tower body 1 above injection spray pipe group 2
There is demister 9, demister can trap the droplet that sulfur dioxide absorption is completed after pre electrified, to recycle
Desulfurization slurry；
Desulfurizing tower tower body 1 as shown in Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, above injection spray pipe group 2
It is inside additionally provided with demisting grid 9, demisting grid 9 is made of several pieces of baffle plate grid modules 91, baffle plate grid modules 91
Structure includes: the lower fixed beam 911 being connected to a fixed with 1 inner wall of desulfurizing tower tower body, in lower fixed beam 911 along its length
Several pieces of baffle plates 912 are sequentially arranged at intervals with, the lower end of all baffle plates 912 is connected to a fixed with lower fixed beam 911, folding
The shape of flowing plate 912 ensures that full of twists and turns demisting channel 913, all baffle plates can be formed between two pieces of adjacent baffles 912
912 upper end is connected to a fixed with upper fixed beam 914, is provided with vibrating motor 915 in upper fixed beam 914；In this implementation
In example, it is integrally extended with the droplet baffle 916 for protruding into corresponding demisting channel 913 outward on the side wall of baffle plate 912, passes through mist
Drop baffle 916 can preferably trap the mist in flue gas, substantially increase defogging effect；In the present embodiment, it rolls over
Specific connection structure between flowing plate grid modules 91 and desulfurizing tower tower body 1 include: desulfurizing tower tower body 1 inner wall fixation it is useful
To support the support bottom beam 10 of the lower fixed beam 911 of baffle plate grid modules, support bottom beam 10 and lower fixed beam 911 pass through fastening
11 phase of bolt is locked, and baffle plate grid modules 91 is made to be connected with desulfurizing tower tower body 1, and above-mentioned connection structure is simple and dismounts
It is convenient；In the present embodiment, it is symmetrically fixedly installed with a pair of of fixed frame 12 on 1 inner wall of desulfurizing tower tower body, supports bottom beam 10
It holds on two fixed frames 12, fastening bolt 11 is by the fixed frame 12 3 of lower fixed beam 911, support bottom beam 10 and lower section respective side
Person is mutually locked, and baffle plate grid modules 91 is made to be connected with desulfurizing tower tower body 1, in this way can be more quickly by baffling panel
Grid module is installed in desulfurizing tower tower body 1, improves assembly efficiency；In the present embodiment, baffle plate 912 and lower fixed beam 911
Between specific connection structure are as follows: the upper surface of lower fixed beam 911 be provided with for baffle plate 912 lower end insertion first card
Slot, baffle plate 912 are connected to a fixed and by its lower end the first card slot of insertion with lower fixed beam 911, in this way dismounting baffle plate
It is very convenient；In the present embodiment, the specific connection structure between baffle plate 912 and upper fixed beam 914 are as follows: in upper fixed beam
914 lower end surface is provided with the second card slot of the upper end insertion for baffle plate 912, and baffle plate 912 is by by the upper end insertion the
Two draw-in groove and be connected to a fixed with upper fixed beam 914, baffle plate and upper fixed beam can be dismounted more quickly in this way, further mentioned
High assembly efficiency；
In the present embodiment, it is provided in the desulfurizing tower tower body 1 above demisting grid 9 to be carried out to demisting grid 9
The wiper mechanism 13 of cleaning, the structure of wiper mechanism 13 include: the peace being made of several cleaning endless tubes 131 and cleaning straight tube 132
Loaded on the cleaning pipe group on 1 inner wall of desulfurizing tower tower body, it is respectively arranged on each cleaning endless tube 131 and cleaning straight tube 132 several
The washer jet 133 of spout demisting grid 9 downward, outside the cleaning straight tube 132 and desulfurizing tower tower body 1 in cleaning pipe group
Cleaning pump 134 is connected, and above-mentioned wiper mechanism structure is simple, dismounts easy to maintenance；In the present embodiment, in desulfurizing tower tower body
Circumferentially arranged on inner wall to have several lower mounting racks 14, all lower mounting racks 14 are collectively formed for shelving shelving for cleaning pipe group
Platform is fixed with several upper mounting racks 15, upper mounting rack 15 when cleaning pipe group, which is placed in, shelves on platform in cleaning pipe group
It is corresponded with lower mounting rack 14, each pair of corresponding upper mounting rack 15 is connected with lower mounting rack 14 by clamping screw 16 solid
It is fixed, cleaning pipe group can be installed more quickly in this way；
The working principle of the utility model is as follows:
So that high voltage power supply 4 is applied high voltage to condensed in two stages pre electrified grid 3 and injection spray pipe group 2, make injection spray pipe group 2 with
The desulfurizing tower tower body inner space condensed between pre electrified grid 3 forms high voltage electric field 5, then by the flue gas after dedusting from desulfurization
1 lower part of tower tower body enters in desulfurizing tower tower body 1, while desulfurization lime slurry being squeezed by spraying by circulating pump 25 through inlet tube 24
The spraying straight tube 21 of pipe group 2 and spraying endless tube 22, then it is downward through spraying straight tube 21 and each spray nozzle 23 on spraying endless tube 22
Electric field 5 is sprayed into, the desulfurization slurry droplet for spraying into high voltage electric field 5 can desulfurization slurry mist by 5 pre electrified of high voltage electric field, after pre electrified
Drop carries out haptoreaction with upward flue gas again, generates gypsum waste liquid and is discharged into the collecting tank below 1 outlet at bottom of desulfurizing tower tower body
Recycling and reusing is carried out, and the flue gas after desulfurization containing mist flows through 912 shape of each baffle plate in demisting grid 9 again with certain speed
At demisting channel 913, the flue gas containing mist pass through demisting channel 913 during, due to gas inertial impaction act on,
Mist in flue gas can collide with each turning side wall of baffle plate 912 and droplet baffle 916 and constantly assemble, when mist is assembled
The gravity of drop afterwards be more than gas climbing power and surface tension of liquid resultant force when, drop is just fallen to along baffle plate 912
In the slurry pool of desulfurizing tower tower body bottom, so that mist be separated from flue gas, demisting is achieved the effect that；In demisting lattice
In grid operational process, start vibrating motor 915, drives each baffle plate 912 to vibrate by vibrating motor 915, it can not only be clear in time
Except the impurity being trapped on baffle plate 912, and it is more advantageous to trapping of the baffle plate 912 to mist in flue gas；And by clear
It washes 134 timings of pump and water purification is sprayed into baffle plate 912 through each cleaning endless tube 131 and the washer jet 133 cleaned on straight tube 132, from
And baffle plate 912 is cleaned, the impurity being trapped on baffle plate 912 is further removed in time, ensure that the stabilization of equipment
Direct motion.
The utility model has the advantages that: (1) using high voltage power supply to condensed in two stages pre electrified grid and injection spray pipe group applied
High voltage, the desulfurizing tower tower body inner space for making injection spray pipe group and condensing between pre electrified grid forms high voltage electric field, thus right
The desulfurization slurry droplet that injection spray pipe group sprays carries out pre electrified, after droplet pre electrified, if droplet surface institute band charged density
Sufficiently high, electrostatic force will overcome surface tension that droplet is caused to rupture, to reduce fogdrop diameter, increase gas liquid interfacial area,
So that the probability for absorbing SO2 increases；And droplet electrification polarity is identical, mutually exclusive, can greatly improve Pcnten-1 yne-4 uniformity,
Further improve the condition of gas-liquid contact；Droplet electrification simultaneously changes the distribution of its electronics, can enhance the surface-active of droplet, mention
High SO2 inhales rate, increases the motive force of absorption process, simultaneously because part SO2 spreads in liquid film and disappeared on the way by chemical reaction
Consumption, reduces resistance to mass tranfer, and absorption coefficient increases, and substantially increases desulfuration efficiency；(2) when flue gas from condensation pre electrified grid into
During entering high voltage electric field, the air-flow of original disorderly disorder can be by orderly air-flow, and velocity of flue gas can be made to be lower, and makes flue gas
Can be contacted with the desulfurization slurry droplet after pre electrified it is more abundant, to improve desulfuration efficiency；(3) flue gas and desulfurization slurry droplet
When by condensation pre electrified grid, the condenser pipe of condensation each condenser pipe heat exchange layer of pre electrified grid ontology can be to desulfurization slurry droplet
It is cooled down with flue gas, due to the reduction of flue-gas temperature, prevents the generation of vapor in flue gas, reduce to the maximum extent
Exiting flue gas water capacity, eliminates white cigarette generting machanism, while decreasing desulfurization moisturizing, has saved water resource, and take off
It can more be sufficiently mixed and contact sufficiently with flue gas after sulphur slurries droplet cooling down, further improve desulfuration efficiency；(4) demisting is imitated
Rate is high, and resistance drop is small, applied widely, can be suitably used for the demisting of the big flue gas of air velocity, and choke preventing function is strong.
Claims (10)
1. a kind of pre electrified desulfurizer, comprising: desulfurizing tower tower body, it is characterised in that: in being internally provided with for desulfurizing tower tower body
With desulfurizing tower tower body phase insulation and can atomization desulfurization slurry downwards injection spray pipe group, desulfurizing tower tower body below injection spray pipe group
It is inside provided with and desulfurizing tower tower body phase insulation and can be to the condensation pre electrified grid that flue gas cools down, the pre- lotus of condensation
Electric grid is connected with the positive electrode and negative electrode for the high voltage power supply being set to outside desulfurizing tower tower body respectively with injection spray pipe group, makes spraying
Guan Zuyu condenses the desulfurizing tower tower body inner space formation between pre electrified grid can be to the high pressure of desulfurization slurry droplet pre electrified
Electric field.
2. a kind of pre electrified desulfurizer according to claim 1, it is characterised in that: if condensation pre electrified grid is by dry and cold
Solidifying pre electrified grid modules composition, the structure of the condensation pre electrified grid modules include: be distributed in the annular of arranged on left and right sides into
Water header and annular water outlet header, are communicated with the water inlet pipe for stretching out desulfurizing tower tower body in annular water inlet header, water inlet pipe and de-
Phase insulated enclosure between sulphur tower tower body, annular water outlet header on be communicated with stretch out desulfurizing tower tower body outlet pipe, outlet pipe with
Phase insulated enclosure between desulfurizing tower tower body is provided with several layers between the upper and lower between annular water inlet header and annular water outlet header
Every the condenser pipe heat exchange layer of arrangement, every layer of condenser pipe heat exchange layer is made of several condenser pipes in grid-like distribution, and every
The both ends of condenser pipe are respectively communicated with annular water inlet header and annular water outlet header.
3. a kind of pre electrified desulfurizer according to claim 2, it is characterised in that: also set on condensation pre electrified grid
The conduit saddle plate for being equipped with to while each condenser pipe being fixed.
4. a kind of pre electrified desulfurizer according to claim 1 or 2 or 3, it is characterised in that: condensation pre electrified grid with
Specific mounting structure between desulfurizing tower tower body are as follows: several pairs of crossbeam limit supports are symmetrically arranged on the inner wall of desulfurizing tower tower body
Frame is provided with several crossbeams in the bottom of condensation pre electrified grid, and every crossbeam is placed in one by cross-over block insulation correspondence
To in crossbeam spacing bracket, condensation pre electrified grid is exhausted and the insulation of each crossbeam is placed in corresponding crossbeam spacing bracket
Edge is installed in desulfurizing tower tower body.
5. a kind of pre electrified desulfurizer according to claim 1, it is characterised in that: the structure of injection spray pipe group includes:
The mounting rack formed by several spraying straight tubes for intersecting connection is included, several circles are provided on mounting rack and are connected with spraying straight tube
Spraying endless tube, the bottoms of all spraying straight tubes and all spraying endless tubes are provided with several spouts spray nozzle directed downwardly, spray
Mist straight tube is connected by inlet tube with the circulating pump outside desulfurizing tower tower body, is mutually insulated between inlet tube and desulfurizing tower tower body close
Envelope.
6. a kind of pre electrified desulfurizer according to claim 1 or 5, it is characterised in that: injection spray pipe group and desulfurizing tower tower
Specific mounting structure between body are as follows: circumferentially arranged on the inner wall of desulfurizing tower tower body to have several lower mounting racks, all lower peaces
It shelves to be collectively formed and shelves platform to shelve injection spray pipe group, put when injection spray pipe group is placed in by the insulation of several cross-over blocks
When on horizontalization platform, several upper mounting racks are provided in injection spray pipe group, upper mounting rack and lower mounting rack correspond, each pair of correspondence
Upper mounting rack be locked with lower mounting rack by insulated bolt, make injection spray pipe group insulation be fixed in desulfurizing tower tower body.
7. a kind of pre electrified desulfurizer described according to claim 1 or 2 or 5, it is characterised in that: above injection spray pipe group
Demisting grid is additionally provided in desulfurizing tower tower body, demisting grid is made of several pieces of baffle plate grid modules, baffle plate grid mould
The structure of block includes: the lower fixed beam being connected to a fixed with desulfurizing tower tower body inner wall, in lower fixed beam along its length according to
Minor tick is provided with several pieces of baffle plates, and the lower end of all baffle plates is connected to a fixed with lower fixed beam, the shape of baffle plate
Ensure to be formed full of twists and turns demisting channel between two pieces of adjacent baffles, the upper end of all baffle plates with upper fixed beam phase
It is connected and fixed, is provided with vibrating motor in upper fixed beam.
8. a kind of pre electrified desulfurizer according to claim 7, it is characterised in that: outside one on the side wall of baffle plate
Body is extended with the droplet baffle for protruding into corresponding demisting channel.
9. a kind of pre electrified desulfurizer according to claim 7, it is characterised in that: the desulfurizing tower above demisting grid
The wiper mechanism to be cleaned to demisting grid is provided in tower body, the structure of wiper mechanism includes: by several cleaning rings
The cleaning pipe group of pipe and cleaning straight tube composition being installed in desulfurizing tower tower body inner wall, in each cleaning endless tube and on cleaning straight tube points
It is not provided with the washer jet of several spouts demisting grid downward, outside the cleaning straight tube and desulfurizing tower tower body in cleaning pipe group
The cleaning pump in portion is connected.
10. a kind of pre electrified desulfurizer according to claim 9, it is characterised in that: cleaning pipe group and desulfurizing tower tower body
Between specific connection structure include: circumferentially arranged on the inner wall of desulfurizing tower tower body to have several lower mounting racks, all lower peaces
It shelves to be collectively formed and shelves platform for shelve cleaning pipe group, when cleaning pipe group, which is placed in, shelves on platform, in cleaning pipe
Several upper mounting racks are fixed in group, upper mounting rack and lower mounting rack correspond, each pair of corresponding upper mounting rack and lower installation
Frame is connected to a fixed by clamping screw.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432972A (en) * | 2019-01-02 | 2019-03-08 | 江苏龙净节能科技有限公司 | A kind of pre electrified desulfurizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432972A (en) * | 2019-01-02 | 2019-03-08 | 江苏龙净节能科技有限公司 | A kind of pre electrified desulfurizer |
| CN109432972B (en) * | 2019-01-02 | 2023-12-12 | 江苏龙净节能科技有限公司 | Pre-charged desulfurizing device |
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