CN208990537U - A kind of composite type pitch fume purifying apparatus - Google Patents
A kind of composite type pitch fume purifying apparatus Download PDFInfo
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- CN208990537U CN208990537U CN201821440252.6U CN201821440252U CN208990537U CN 208990537 U CN208990537 U CN 208990537U CN 201821440252 U CN201821440252 U CN 201821440252U CN 208990537 U CN208990537 U CN 208990537U
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Abstract
The utility model relates to glance coal processing technology fields, more particularly to a kind of composite type pitch fume purifying apparatus, including, the first spray column, activated carbon adsorber, air-introduced machine and the chimney being sequentially communicated along gas flow direction by pipeline, first spray column is equipped with the air inlet and air outlet to circulate for bitumen flue gas, is additionally provided with inlet and liquid outlet for lye circulation thereon；Further include, cyclic water tank, it is connected with first spray column, the cyclic water tank is equipped with the outlet tube and liquid back pipe being connected respectively with the inlet of first spray column and liquid outlet, it is provided with water circulating pump on the outlet tube, is additionally provided with oily-water seperating equipment in the cyclic water tank, the utilization rate for improving absorbing liquid can be dropped, the cost of absorbing liquid is reduced, asphalt smoke gas purifying effect is improved.
Description
Technical field
The utility model relates to glance coal processing technology fields, and in particular to a kind of composite type pitch fume purifying apparatus.
Background technique
In Modified Bitumen Production Procedure, need to add the multiple additives such as rubber powder, stabilizer in the feed, and produce
The temperature of middle pitch needs to be increased to 175 DEG C or more, these additives and pitch can generate largely in the production process of high temperature
Glance coal, containing there are many carcinogens in these glance coals, such as glance coal, BaP, non-methane total hydrocarbons and hydrogen sulfide gas
Deng the partial size very little of these substances easily floats in air, seriously pollutes environment, is detrimental to health.
Existing glance coal purifying treatment method is broadly divided into wet processing and dry process, and wet processing mainly passes through alkali
Liquid absorbs acidic materials and most of hazardous substance in bitumen flue gas, while reducing the temperature of bitumen flue gas, dry process master
The harmful substance in glance coal is removed by absorption or high-pressure electrostatic precipitation.Composite type pitch cigarette purification process is a kind of new
The glance coal processing method of type, by combining wet processing and dry process to improve clean-up effect.
For example, Chinese patent literature CN207024968U discloses a kind of glance coal processing caustic wash tower, including it is containing liquid chamber, clear
Tower, demister and active carbon layer are washed, the upper end of the containing liquid chamber is provided with cleaning tower, the side setting of the cleaning tower
There is the second air blower, the other side is provided with circulating water pipe close to one end of water circulating pump, and the bottom end of the cleaning tower is provided with
The upper end of fluid level scale meter, the cleaning tower is provided with exhaust outlet.However above-mentioned apparatus can only have low concentration pitch smoke gas
Preferable removal effect, it is unobvious for the bitumen flue gas removal rate of high concentration, it needs to consume a large amount of alkaline absorption solution, absorbs
Liquid utilization rate is low, and absorption fluid exchange is frequent, higher cost.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome in glance coal treatment process in the prior art
Absorbing liquid utilization rate is low, absorbs the frequent problem of fluid exchange, provides a kind of composite type pitch fume purifying apparatus, can drop raising and inhale
The utilization rate for receiving liquid, reduces the cost of absorbing liquid.
In order to solve the above-mentioned technical problem, the utility model provides a kind of composite type pitch fume purifying apparatus, including, edge
The first spray column, activated carbon adsorber, air-introduced machine and the chimney that gas flow direction is sequentially communicated by pipeline, first spray
Leaching tower is equipped with the air inlet and air outlet that circulates for bitumen flue gas, is additionally provided with the inlet to circulate for lye and out liquid thereon
Mouthful；
Further include cyclic water tank, be connected with first spray column, the cyclic water tank is equipped with respectively with described the
The outlet tube and liquid back pipe that the inlet of one spray column is connected with the liquid outlet of first spray column are set on the outlet tube
It is equipped with water circulating pump, is additionally provided with oily-water seperating equipment in the cyclic water tank.
The oily-water seperating equipment includes:
Water-stop sheet is set to along the vertical direction in the cyclic water tank, and the water-stop sheet is by the sky in the cyclic water tank
Chamber is divided into first chamber and collecting chamber；
Discharge outlet is opened in the bottom of the water-stop sheet, is flowed with for the lye in first chamber from the bottom of water-stop sheet
Enter collecting chamber；
The liquid back pipe is connected on side wall of the first chamber far from the collecting chamber side, the outlet tube connection
In on side wall of the collecting chamber far from the first chamber side.
The oily-water seperating equipment further include:
Oil separating plate is set to along the vertical direction in the first chamber, and the first chamber is divided by the oil separating plate
Second chamber and gathering room；
Oil discharge outlet, positioned at the top of the oil separating plate, for being flowed into for the greasy dirt in second chamber from the top of oil separating plate
The gathering room is communicated with oil exit pipe on the side wall of the gathering room side, and it is remote that the liquid back pipe is connected to the second chamber
From on the collecting chamber and the side wall of the gathering room two sides.
It is additionally provided in the cyclic water tank:
Screen pack is connected between the side wall of the water-stop sheet and the bottom side inner wall of the cyclic water tank, the filtering
Web plate covers in the discharge outlet；
Hydrophilic oil resistance filtering layer is covered in the side on the screen pack close to the first chamber.
The bottom of the collecting chamber is provided with sewage pipe, is provided with blowdown valve on the sewage pipe.
The purification device further include:
Second spray column, between first spray column and the activated carbon adsorber, the second spray column tool
There is structure identical with first spray column, and the height that water mist is formed after second spray column spray is lower than described second
The height of water mist is formed after spray column spray.
The purification device further include:
Plasma apparatus, the plasma apparatus are described etc. between second spray column and activated carbon adsorber
The air inlet of ion unit is connect with the gas outlet of second spray column by pipeline, the gas outlet of the plasma apparatus with
The air inlet of the activated carbon adsorber is connected by pipeline.
The purification device further includes
Drying tower, the drying tower is between second spray column and plasma apparatus, the air inlet of the drying tower
Mouthful connect with the gas outlet of second spray column by pipeline, the gas outlet of the drying tower and the plasma apparatus into
Port is connected by pipeline.
The plasma apparatus includes:
Plasma reaction case, one end are provided with the air inlet being connected to drying tower, and the other end is provided with and activated carbon adsorption
The gas outlet of tower connection；
It is anti-that electrode plate with high voltage and ground electrode plate, the high-field electrode and ground electrode plate alternate intervals are set to the plasma
It answers in case, the electrode plate with high voltage and ground electrode plate surface array have protruded out multiple needle point bodies, the high-field electrode and ground electrode
Plate is electrically connected with the high-voltage end of external power supply and ground terminal respectively.
The plasma apparatus further includes nano-titanium dioxide film, and the nano-titanium dioxide film is coated on the height
Piezoelectricity pole plate is towards the side of air inlet.
Bitumen flue gas flow direction is disposed with glass fibre except knoisphere, level-one silica-gel desiccant in the drying tower
Layer, second level silica dehydrator oxidant layer and active oxidation aluminium layer, wherein the partial size of silica gel particle is small in the second level silica dehydrator oxidant layer
The partial size of silica gel particle in the level-one silica dehydrator oxidant layer.
The activated carbon adsorber is provided with the 4th connect with the plasma apparatus on the side wall of tower bottom side
Air inlet, tower top are provided with the 4th gas outlet being connected with air-introduced machine, and the activated carbon adsorber is flowed along bitumen flue gas
Direction is successively arranged filter layer and several activated carbon adsorption layers.
Technical solutions of the utility model have the advantages that
1. composite type pitch fume purifying apparatus provided by the utility model is sprayed by the first spray column into tower as drip
The lye of green cigarette absorbing liquid, not only cools down to the glance coal of circulation, but also makes the pitch contained in glance coal and greasy dirt mist
Change condensation, is mixed into lye, is transported to cyclic water tank with lye, pass through the oily-water seperating equipment being arranged in cyclic water tank
The lye of the greasy dirt and greasy dirt lower layer that swim in the water surface is effectively separated, and processing, the alkali of collection are collected to lye
Liquid is delivered in the first spray column so that spray glance coal uses, to realize lye again by water circulating pump through return pipe
It is recycled, improves the utilization rate of absorbing liquid, reduce cost.
2. composite type pitch fume purifying apparatus provided by the utility model, oily-water seperating equipment includes water-stop sheet and is opened in
The discharge outlet of water-stop sheet bottom, the cavity in cyclic water tank is divided into first chamber and collecting chamber by water-stop sheet, due to grease
Density is different, be mixed with greasy dirt lye be delivered to cyclic water tank after, greasy dirt floats on lye upper layer, and the lye of lower layer be easy from
The discharge outlet of water-stop sheet bottom flows out, and is then sent to collecting chamber, is delivered to the first spray column by liquid back pipe, completes circulation,
Device is simple, low in cost；Further, pass through oil separating plate and the oil discharge outlet at the top for being opened in the oil separating plate, oil removal
The first chamber is divided into second chamber and gathering room by oil separating plate described in plate, and the greasy dirt in second chamber is from the top of oil separating plate
Portion flows into the gathering room, is then exported, can not only be reused to lye, while can collect glance coal by oil exit pipe
In the grease that mixes, improve the utilization rate of resource, accelerate the separative efficiency of greasy dirt and lye；Further, pass through screen pack
With the setting of hydrophilic oil resistance filtering layer, the dirt that can improve in lye catchments as water flow is flowed into from the discharge outlet of water-stop sheet bottom
The case where room, improves the absorption to polluted gas in glance coal and particle and imitates to improve the degree of purity of the lye of recycling
Fruit.
3. composite type pitch fume purifying apparatus provided by the utility model can be very big by the setting of the second spray column
The spraying effect to glance coal is enhanced, by the glance coal of the first spray column, purifying rate can achieve 80% or more, by
The glance coal of two spray columns, purifying rate is up to 95% or more；Further, by using the rotation spray in second spray column
The height of head is lower than the height in the rotary nozzle in second spray column, so that the second spray column sprays the height to form water mist
Degree sprays the height to form water mist lower than second spray column, so that the glance coal aggravated by the first spray column spray aquation
The lye that can be sprayed more fully hereinafter with the second spray column is contacted, and is increased the contact area of glance coal and lye, is mentioned
The absorption efficiency of high bitumen flue gas.
4. composite type pitch fume purifying apparatus provided by the utility model can generate high energy activity by plasma apparatus
Ionic adsorption polluted gas simultaneously reacts with polluted gas, and degradation spray process is difficult to absorb or do not absorb complete pollution
Gas improves treatment effeciency；Further, by adding drying tower before plasma apparatus, after spray can not only being prevented
Bitumen flue gas because have certain humidity due to cause plasma apparatus spark phenomenon occur and cannot run well the case where,
And can be improved the adsorption capacity of plasma apparatus, guarantee the treatment effect of bitumen flue gas；
5. composite type pitch fume purifying apparatus provided by the utility model, the effect for the negative pressure that glance coal is generated in air-introduced machine
Under, the first spray column and the second spray column are sequentially entered by spray column lower part, rapidly cooled down during passing through water curtain,
Pitch and greasy dirt are condensed, and as water flow enters cyclic water tank, cyclic water tank is provided with oily-water seperating equipment.Pass through water-oil separating
The setting of device, since grease is heavy widely different, pitch and greasy dirt are swum on the water surface, periodically decontrol blowdown valve and row
Oil valve collects pitch and greasy dirt in a reservoir, and the pitch and greasy dirt of collection can be added to matching for modified asphalt production device
In batch can, it can play the role of improving asphalt softening point, can both reduce production cost and in turn avoid secondary pollution, it can also be with
Waste oil processing factory, additional income are given in central selling.
Detailed description of the invention
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 embodiment 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, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the process flow diagram of the composite type pitch fume purifying apparatus of the utility model；
Fig. 2 is the structural schematic diagram of the cyclic water tank of the utility model.
Description of symbols:
1, the first spray column；11, the second spray column；2, activated carbon adsorber；21, filter layer；22, activated carbon adsorption layer；
3, air-introduced machine；4, chimney；5, cyclic water tank；51, water-stop sheet；511, discharge outlet；52, first chamber；521, second chamber；522,
Gathering room；53, collecting chamber；54, oil separating plate；541, oil discharge outlet；55, outlet tube；56, liquid back pipe；57, oil exit pipe；6, plasma
Device；61, plasma reaction case；62, electrode plate with high voltage；63, ground electrode plate；7, drying tower；71, glass fibre removes knoisphere；72,
Level-one silica dehydrator oxidant layer；73, second level silica dehydrator oxidant layer；74, active oxidation aluminium layer.
Specific embodiment
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
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
A kind of specific embodiment of composite type pitch fume purifying apparatus as shown in Figure 1, including, along gas flow direction
The first spray column 1, the second spray column 11, activated carbon adsorber 2, air-introduced machine 3 and the chimney 4 being sequentially communicated by pipeline.It is described
First spray column 1 is equipped with the air inlet and air outlet to circulate for bitumen flue gas, is additionally provided with the inlet for lye circulation thereon
And liquid outlet, first spray column 1 are connected with cyclic water tank 5.
It further include plasma apparatus 6, the plasma apparatus 6 is located at second spray column 11 and activated carbon adsorber 2
Between, the air inlet of the plasma apparatus 6 is connected with the gas outlet of second spray column 11 by pipeline, it is described it is equal from
The gas outlet of sub-device 6 is connected with the air inlet of the activated carbon adsorber 2 by pipeline.
It further include drying tower 7, the drying tower 7 is described dry between second spray column 11 and plasma apparatus 6
The air inlet of dry tower 7 is connect with the gas outlet of second spray column 11 by pipeline, the gas outlet of the drying tower 7 with it is described
The air inlet of plasma apparatus 6 is connected by pipeline.
First spray column 1, the second spray column 11, drying tower 7 and activated carbon adsorber 2 air inlet be respectively positioned on it is close
On the side wall of tower bottom side, air outlet is respectively positioned on tower top.
Wherein, the first spray column 1 for into tower spray lye in glance coal polluted gas and solid particle into
Row is first to be absorbed, and so that the most pitch contained in glance coal and greasy dirt is atomized condensation and is delivered to cyclic water tank 5 with lye, just
Glance coal after secondary absorption is exported through the tower top gas outlet of the first spray column 1, by pipeline to the second spray column 11；Second
Spray column 11 is for spraying the lye as glance coal absorbing liquid into tower in turn to the polluted gas and solid in glance coal
Grain carries out double absorption, and the glance coal after double absorption is delivered to drying tower 7；Drying tower 7 is for dry to remove deasphalting gas
Water mist in body reduces humidity, and the lhv gas after drying is transported to plasma apparatus 6, and plasma apparatus 6 is for putting
Electricity generates high energy active ion absorption polluted gas and simultaneously reacts with polluted gas, and degradation spray process is difficult to absorb or not
Complete polluted gas is absorbed, treated that glance coal is transported to activated carbon adsorber 2 through plasma apparatus 6；Through active carbon
The absorption of active carbon in adsorption tower 2, glance coal are converted to the fresh air of colorless and odorless, and air-introduced machine 3, which runs at high speed, generates negative pressure,
The lhv gas for introducing purification device is completed into purification process along process above route, purified gas is transported to chimney 4
Discharge.
In addition, the cyclic water tank 5 be equipped with respectively with the inlet of first spray column 1 and the first spray column 1
The outlet tube 55 and liquid back pipe 56 that liquid outlet is connected, are provided with water circulating pump on the outlet tube 55, in the cyclic water tank 5
It is additionally provided with oily-water seperating equipment.Bitumen flue gas is absorbed into lye through the first spray column 1 and the atomization condensation of the second spray column 11
In, lye passes back into cyclic water tank 5 through liquid back pipe 56, can effectively be divided by the oily-water seperating equipment being arranged in cyclic water tank 5
Lye from the greasy dirt and greasy dirt lower layer that swim in the water surface, and processing is collected to lye, the lye of collection passes through recirculated water
Pump is delivered in the first spray column 1 through outlet tube 55 so that spray glance coal uses, to realize that the circulation of lye makes again
With improving the utilization rate of absorbing liquid, reduce cost.
In order to improve the contact area of lye and bitumen flue gas in the second spray column 11, second spray column 11 has
Structure identical with the first spray column 1, and the height of the rotary nozzle in the second spray column 11 is lower than the rotation in the first spray column 1
Turn the height in spray head, so that the height for forming water mist after the second spray column 11 spray is formed after spraying lower than the first spray column 1
The height of water mist.
As shown in Fig. 2, the oily-water seperating equipment includes:
Water-stop sheet 51 is set to along the vertical direction in the cyclic water tank 5, and the water-stop sheet 51 is by the cyclic water tank 5
Interior cavity is divided into first chamber 52 and collecting chamber 53；
Discharge outlet 511 is opened in the bottom of the water-stop sheet 51, with so that the lye in first chamber 52 is from water-stop sheet 51
Bottom flow into collecting chamber 53；
The liquid back pipe 56 is connected on side wall of the first chamber 52 far from 53 side of collecting chamber, the liquid out
Pipe 55 is connected on side wall of the collecting chamber 53 far from 52 side of first chamber.
In order to accelerate the separative efficiency of greasy dirt and lye, the grease mixed in collection glance coal improves the utilization rate of resource,
The oily-water seperating equipment further include: oil separating plate 54 is set to along the vertical direction in the first chamber 52, the oil separating plate 54
The first chamber 52 is divided into second chamber 521 and gathering room 522；
Oil discharge outlet 541 is opened in the top of the oil separating plate 54, for for the greasy dirt in second chamber 521 from oil separating plate
54 top flows into the gathering room 522, is communicated with oil exit pipe 57, the sewage pipe on the side wall of 522 side of gathering room
On be provided with draining valve, the liquid back pipe 56 is connected to the second chamber 521 far from the collecting chamber 53 and the gathering room
On the side wall of 522 two sides.
In order to improve recycling lye degree of purity, be additionally provided in the cyclic water tank 5:
Screen pack is sealedly attached between the bottom of the water-stop sheet 51 and the bottom side inner wall of the cyclic water tank 5, institute
Screen pack is stated to be covered in the discharge outlet 511；
Hydrophilic oil resistance filtering layer is covered in the side on the screen pack close to the first chamber 52.
The bottom of the collecting chamber 53 is provided with sewage pipe, is provided with blowdown valve on the sewage pipe, for will periodically collect
Cyclic water tank 5 is discharged in the dirt of 53 bottom deposit of water chamber.
In addition, glance coal sequentially enters the first spray column under the action of the negative pressure that air-introduced machine generates, by spray column lower part
With the second spray column, rapidly cooled down during passing through water curtain, pitch and greasy dirt are condensed, as water flow enters circulation
Water tank, cyclic water tank are provided with oily-water seperating equipment.By the setting of oily-water seperating equipment, very due to the heavy difference of grease
Greatly, pitch and greasy dirt are swum on the water surface, periodically decontrol blowdown valve and draining valve, and pitch and greasy dirt are collected in a reservoir, received
The pitch and greasy dirt of collection can be added in the material-compound tank of modified asphalt production device, can play the work for improving asphalt softening point
With can both reduce production cost and in turn avoid secondary pollution, and waste oil processing factory, additional income can also have been given with central selling.
In order to improve the wet down drying effect to bitumen flue gas, as shown in Figure 1, bitumen flue gas flows in the drying tower 7
Direction is disposed with glass fibre except knoisphere 71, level-one silica dehydrator oxidant layer 72, second level silica dehydrator oxidant layer 73 from bottom to top
With active oxidation aluminium layer 74, wherein the partial size of silica gel particle is less than the level-one silica gel in the second level silica dehydrator oxidant layer 73
The partial size of silica gel particle in desiccant layer 72.
In order to improve the clean-up effect of plasma apparatus 6, as shown in Figure 1, the plasma apparatus 6 includes:
Plasma reaction case 61, one end are provided with the air inlet being connected to drying tower 7, and the other end is provided with to be inhaled with active carbon
The gas outlet that attached tower 2 is connected to；
Electrode plate with high voltage 62 and ground electrode plate 63, the electrode plate with high voltage 62 and 63 alternate intervals of ground electrode plate are set to institute
It states in plasma reaction case 61, the electrode plate with high voltage 62 and 63 surface array of ground electrode plate have protruded out multiple needle point bodies, described
Electrode plate with high voltage 62 and ground electrode plate 63 are electrically connected with the high-voltage end of external power supply and ground terminal respectively.
The plasma apparatus 6 further includes nano-titanium dioxide film, and the nano-titanium dioxide film is coated on described
Electrode plate with high voltage 62 towards plasma reaction case 61 air inlet side.
In order to improve the clean-up effect to bitumen flue gas, as shown in Figure 1, the activated carbon adsorber 2 is close to tower bottom side
Side wall on be provided with the air inlet connecting with the plasma apparatus 6, tower top is provided with the outlet being connected with air-introduced machine 3
Mouthful, if the activated carbon adsorber 2 is provided, in sequence from bottom to top, with several filter layers 21 and dry active along bitumen flue gas flow direction
Charcoal adsorption layer 22 in the present embodiment, is provided with 3 groups of activated carbon adsorption layers 22 in the activated carbon adsorber 2.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of composite type pitch fume purifying apparatus, which is characterized in that
Including the first spray column (1), the activated carbon adsorber (2), air-introduced machine being sequentially communicated along gas flow direction by pipeline
(3) air inlet and air outlet to circulate for bitumen flue gas are equipped with, are additionally provided with thereon with chimney (4), first spray column (1)
For the inlet and liquid outlet of lye circulation；
Further include cyclic water tank (5), be connected with first spray column (1), the cyclic water tank (5) be equipped with respectively with
The outlet tube (55) and return liquid that the inlet of first spray column (1) is connected with the liquid outlet of first spray column (1)
It manages (56), water circulating pump is provided on the outlet tube (55), is additionally provided with oily-water seperating equipment in the cyclic water tank (5).
2. composite type pitch fume purifying apparatus according to claim 1, which is characterized in that the oily-water seperating equipment packet
It includes:
Water-stop sheet (51) is set to along the vertical direction in the cyclic water tank (5), and the water-stop sheet (51) is by the cyclic water tank
(5) cavity in is divided into first chamber (52) and collecting chamber (53)；
Discharge outlet (511), is opened in the bottom of the water-stop sheet (51), with so that the lye in first chamber (52) is from water-stop sheet
(51) bottom flows into collecting chamber (53)；
The liquid back pipe (56) be connected to the first chamber (52) far from the collecting chamber (53) side side wall on, it is described go out
Liquid pipe (55) is connected to the collecting chamber (53) far from the side wall of the first chamber (52) side.
3. composite type pitch fume purifying apparatus according to claim 2, which is characterized in that the oily-water seperating equipment also wraps
It includes:
Oil separating plate (54) is set to along the vertical direction in the first chamber (52), and the oil separating plate (54) is by first chamber
Room (52) is divided into second chamber (521) and gathering room (522)；
Oil discharge outlet (541), is opened in the top of the oil separating plate (54), for for the greasy dirt in the second chamber (521) from
The top of oil separating plate (54) flows into the gathering room (522)；
Oil exit pipe (57) are communicated on the side wall of gathering room (522) side；The liquid back pipe (56) is connected to described second
Chamber (521) is far from the side wall of the collecting chamber (53) and the gathering room (522) two sides.
4. composite type pitch fume purifying apparatus according to claim 3, which is characterized in that in the cyclic water tank (5) also
It is equipped with:
Screen pack is connected between the side wall of the water-stop sheet (51) and the bottom side inner wall of the cyclic water tank (5), the mistake
Sieve plate covers on the discharge outlet (511)；
Hydrophilic oil resistance filtering layer is covered in the side on the screen pack close to the first chamber (52).
5. composite type pitch fume purifying apparatus according to claim 4, which is characterized in that the bottom of the collecting chamber (53)
It is provided with sewage pipe, is provided with blowdown valve on the sewage pipe.
6. according to claim 1 to any composite type pitch fume purifying apparatus in 5, which is characterized in that the purification dress
It sets further include:
Second spray column (11), between first spray column (1) and the activated carbon adsorber (2), second spray
Drenching tower (11) has with first spray column (1) identical structure, and the height of water mist is formed after second spray column spray
Degree is lower than the height for forming water mist after second spray column (11) spray.
7. composite type pitch fume purifying apparatus according to claim 6, which is characterized in that the purification device further include:
Plasma apparatus (6), between second spray column (11) and activated carbon adsorber (2), the plasma apparatus
(6) air inlet is connected with the gas outlet of second spray column (11) by pipeline, the outlet of the plasma apparatus (6)
Mouth is connected with the air inlet of the activated carbon adsorber (2) by pipeline.
8. composite type pitch fume purifying apparatus according to claim 7, which is characterized in that the purification device further includes
Drying tower (7), between second spray column (11) and plasma apparatus (6), the air inlet of the drying tower (7)
It is connected with the gas outlet of second spray column (11) by pipeline, the gas outlet of the drying tower (7) and the plasma
The air inlet of device (6) is connected by pipeline.
9. composite type pitch fume purifying apparatus according to claim 8, which is characterized in that along gas in the drying tower (7)
Body flow direction is disposed with glass fibre except knoisphere (71), level-one silica dehydrator oxidant layer (72), second level silica dehydrator oxidant layer
(73) and active oxidation aluminium layer (74), wherein the partial size of silica gel particle is less than described in the second level silica dehydrator oxidant layer (73)
The partial size of silica gel particle in level-one silica dehydrator oxidant layer (72).
10. according to composite type pitch fume purifying apparatus described in claim 8 or 9, which is characterized in that the activated carbon adsorption
Tower (2) is provided with air inlet connect with the plasma apparatus (6) on the side wall of tower bottom side, tower top be provided with and
The gas outlet that air-introduced machine (3) is connected, the activated carbon adsorber (2) are successively arranged filter layer along bitumen flue gas flow direction
(21) and several activated carbon adsorption layers (22).
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| CN201821440252.6U CN208990537U (en) | 2018-09-04 | 2018-09-04 | A kind of composite type pitch fume purifying apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110180308A (en) * | 2019-06-26 | 2019-08-30 | 广西南宁天树峰美环保科技有限公司 | A kind of automatic dehydration clarifier free of cleaning |
| CN110772951A (en) * | 2019-11-04 | 2020-02-11 | 湖南鑫长星机械设备有限公司 | Asphalt smoke absorbing device |
| CN114632393A (en) * | 2022-03-15 | 2022-06-17 | 安徽锦美碳材科技发展有限公司 | Asphalt flue gas treatment system |
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2018
- 2018-09-04 CN CN201821440252.6U patent/CN208990537U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180308A (en) * | 2019-06-26 | 2019-08-30 | 广西南宁天树峰美环保科技有限公司 | A kind of automatic dehydration clarifier free of cleaning |
| CN110772951A (en) * | 2019-11-04 | 2020-02-11 | 湖南鑫长星机械设备有限公司 | Asphalt smoke absorbing device |
| CN114632393A (en) * | 2022-03-15 | 2022-06-17 | 安徽锦美碳材科技发展有限公司 | Asphalt flue gas treatment system |
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