CN208244357U - A kind of flue gas cleaning system - Google Patents
A kind of flue gas cleaning system Download PDFInfo
- Publication number
- CN208244357U CN208244357U CN201721454548.9U CN201721454548U CN208244357U CN 208244357 U CN208244357 U CN 208244357U CN 201721454548 U CN201721454548 U CN 201721454548U CN 208244357 U CN208244357 U CN 208244357U
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- scrubbing tower
- furnace gas
- circulating slot
- tower
- condenser
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Abstract
A kind of flue gas cleaning system, it is characterised in that including scrubbing tower, condenser, demister, drying tower, circulating slot, settling tank, the scrubbing tower includes the first scrubbing tower and the second scrubbing tower；The circulating slot includes scrubbing tower circulating slot a, scrubbing tower circulating slot b, condenser acid storage tank；The furnace gas for needing to purify passes through the first scrubbing tower preliminary purification, furnace gas after primary wash enters the second scrubbing tower secondary washing, the furnace gas export of the double purification tower connects the condenser, furnace gas furnace gas after condensing tube condensation continues through pipeline into the demister, it is finally dry through drying tower again after demister demisting.
Description
Technical field
The utility model relates to purification systems, and in particular to flue gas cleaning system.
Background technique
Contain a large amount of flue dust and harmful substance in furnace gas, such as without processing is directly discharged in air that air can be made
At serious pollution.Current flue gas cleaning process, is generally divided into wet process and dry method two major classes, using dry cleaning furnace gas
The land occupation of mode purification device is huge, and harmful substance is not easy to remove, and wet process is widely used at present.Wet process is because of cleaning solution difference point
It is two kinds of pickling and washing, washing process generates a large amount of waste water, to be also further processed.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of flue gas cleaning devices with double scrubbing towers.
The utility model solves technical solution used by above-mentioned technical problem: a kind of flue gas cleaning system, feature
Be to include scrubbing tower, condenser, demister, drying tower, circulating slot, settling tank, the scrubbing tower include the first scrubbing tower and
Second scrubbing tower；The circulating slot includes scrubbing tower circulating slot a, scrubbing tower circulating slot b, condenser acid storage tank；It needs to purify
Furnace gas passes through the first scrubbing tower preliminary purification, and the furnace gas after primary wash enters the second scrubbing tower secondary washing, described secondary
The furnace gas export of purifying column connects the condenser, and furnace gas furnace gas after condensing tube condensation continues through pipeline into the demisting
Device, it is finally dry through drying tower again after demister demisting.
Further, first scrubbing tower includes: baffle, orifice plate, furnace gas import, atomizer, cleaning solution entrance, the furnace
Lower section is arranged on the left of first scrubbing tower in gas import, and furnace gas export setting is in the first washing column overhead, the atomization
Device setting is arranged in the first scrubbing tower right side central, the cleaning solution entrance in the first scrubbing tower right upper portion, institute
It states baffle and orifice plate forms scrubber layer, totally three layers of the scrubber layer, be distributed in the middle part of first scrubbing tower, on the atomizer
It is provided with atomizing nozzle.
Further, the cleaning solution entrance of first scrubbing tower and cleaning solution outlet are all connected with the scrubbing tower circulating slot a,
The scrubbing tower circulating slot a connection settling tank.
Further, second scrubbing tower includes: furnace gas import, furnace gas export, atomizer, cleaning solution outlet.The furnace
Gas import is located at the second scrubbing tower left lower, and the furnace gas export is located at the second washing column overhead, described
Atomizer is arranged in the middle part of second scrubbing tower, and the cleaning solution outlet is arranged in the second scrubbing tower lower right side,
Further, the second scrubbing tower atomizer is connected through inlet tube with the scrubbing tower circulating slot b, and described second washes
The cleaning solution outlet for washing tower is connected through liquid back pipe with the scrubbing tower circulating slot b.
Further, the condenser includes furnace gas import, condenser pipe, condensate outlet, and the furnace gas import is arranged in institute
Condenser top is stated, the condensate outlet connect with the condenser acid storage tank by liquid back pipe, passes through in the condenser pipe
Condensed water.
Further, the condenser acid storage tank connects the scrubbing tower circulating slot b, the scrubbing tower circulating slot b connection institute
State scrubbing tower circulating slot a, the scrubbing tower circulating slot a connection settling tank, the gas entered in settling tank is through gas purification
It is discharged after device.
Further, between first scrubbing tower and the scrubbing tower circulating slot a can independent loops, second scrubbing tower
Between the scrubbing tower circulating slot b can independent loops, can independent loops between the condenser and the condenser acid storage tank.
Utility model has the advantages that
1, dual washing tower is arranged in the utility model, and the furnace gas solid matter almost all after double purified is removed.
2, the utility model setting condenser discharges again after reducing furnace gas temperature, is more favorable for environmental protection.
3, settling tank is arranged in this reality utility model, all cleaning solutions is recovered to settling tank centralized processing, so that mud
Slurry sedimentation is more thorough, and cleaning solution is collected more abundant.
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 system flow chart of the utility model.
Wherein:
1, the first scrubbing tower；11, baffle；12, orifice plate；13, furnace gas import；
14, atomizer；15, cleaning solution entrance；16, scrubbing tower circulating slot a；2, the second scrubbing tower；
21, scrubbing tower circulating slot b；3, condenser；31, condenser pipe；32, condenser acid storage tank
4, demister；5, drying tower；6, settling tank；61, sewage draining exit；7, gas purifier；
8, water pump；
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.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
A kind of flue gas cleaning system as shown in Figure 1, it is characterised in that including scrubbing tower, condenser 3, demister, drying
Tower 5, circulating slot, settling tank 6, the scrubbing tower include the first scrubbing tower 1 and the second scrubbing tower 2；The circulating slot includes washing
Tower circulating slot a16, scrubbing tower circulating slot b21,3 acid storage tank of condenser；The furnace gas for needing to purify is preliminary net by the first scrubbing tower 1
Change, furnace gas after primary wash enters 2 secondary washing of the second scrubbing tower, described in the furnace gas export connection of the double purification tower
Condenser 3, furnace gas furnace gas after the condensation of condenser pipe 31 continue through pipeline into the demister, after demister demisting, most
It is dry through drying tower 5 again afterwards.
First scrubbing tower 1 includes: baffle 11, orifice plate 12, furnace gas import 13, atomizer 14, cleaning solution entrance, the furnace gas
Below 1 left side of the first scrubbing tower, furnace gas export is arranged in 1 tower top of the first scrubbing tower, the mist setting of import 13
Change the setting of device 14 in 1 right side central of the first scrubbing tower, the cleaning solution entrance setting is on 1 right side of the first scrubbing tower
Portion, the baffle 11 and orifice plate 12 form scrubber layer, totally three layers of the scrubber layer, are distributed in 1 middle part of the first scrubbing tower, institute
It states and is provided with atomizing nozzle on atomizer 14.
Cleaning solution entrance and the cleaning solution outlet of first scrubbing tower 1 are all connected with the scrubbing tower circulating slot a16, the washing
The tower circulating slot a16 connection settling tank 6.
Second scrubbing tower 2 includes: furnace gas import 13, furnace gas export, atomizer 14, cleaning solution outlet.The furnace gas import
13 are located at 2 left lower of the second scrubbing tower, and the furnace gas export is located at 2 tower top of the second scrubbing tower, the mist
Change the setting of device 14 at 2 middle part of the second scrubbing tower, the cleaning solution outlet is arranged in 2 lower right side of the second scrubbing tower,
Second scrubbing tower, 2 atomizer 14 is connected through inlet tube with the scrubbing tower circulating slot b21, second scrubbing tower 2
Cleaning solution outlet be connected through liquid back pipe with the scrubbing tower circulating slot b21.
Condenser 3 includes furnace gas import 13, condenser pipe 31, condensate outlet, and the furnace gas import 13 is arranged described cold
3 top of condenser, the condensate outlet connect with 3 acid storage tank of condenser by liquid back pipe, pass through in the condenser pipe 31
Condensed water.
3 acid storage tank of condenser connects the scrubbing tower circulating slot b21, the scrubbing tower circulating slot b21 connection washing
Tower circulating slot a16, the scrubbing tower circulating slot a16 connection settling tank 6, the gas entered in settling tank 6 is through gas purification
It is discharged after device 7.
Between first scrubbing tower 1 and the scrubbing tower circulating slot a16 can independent loops, second scrubbing tower 2 and described
Between scrubbing tower circulating slot b21 can independent loops, can independent loops between 3 acid storage tank of the condenser 3 and the condenser.
Working method:
Furnace gas to be processed enters 1 central space of the first scrubbing tower from the furnace gas import 13 of bottom, with the acid sprayed
Liquid and the cleaning solution counter current contacting flow down from sieve plate and orifice plate 12, furnace gas humidifying cooling, and washed away most of mine dust.This is empty
Between commonly referred to as humidification washing section.Furnace gas, into the cooling washing section in top, sequentially passes through the formation of orifice plate 12 after humidification washing
Scrubber layer, hit 12 top baffle 11 of orifice plate, directly contacted with cold acid and sufficiently washed and cooled down.It is general to pass through three pieces of sieves
After plate, furnace gas temperature is lowered, and the impurity such as mine dust are washed removing substantially, and part acid mist is captured, remaining takes tower out of by furnace gas.
The acid mist being carried over from the first scrubbing tower 1 enters the second scrubbing tower 2, and the atomizer 14 in the second scrubbing tower 2 continues
It is spraying, increase the drop of acid mist, solid particle is as the nuclei of condensation, so that the drop with solid particle flows into tower bottom, carries out secondary
Purification.Remaining furnace gas is carried over tower.
Furnace gas enters shell-and-tube indirect condenser 3, and cooled water is cooled to 40 DEG C hereinafter, institute's containing water vapor is condensate in wall
Further increase acid mist diameter.So far furnace gas drops to 40 DEG C hereinafter, complete sensible heat is taken away by cooling water outside pipe by 330 DEG C.Furnace
Gas enters electrostatic precipitator, and remaining denier mine dust is almost completely wiped, and eventually enters into dry in drying tower 5.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (8)
1. a kind of flue gas cleaning system, it is characterised in that including scrubbing tower, condenser, demister, drying tower, circulating slot, sedimentation
Pond, the scrubbing tower include the first scrubbing tower and the second scrubbing tower；The circulating slot includes that scrubbing tower circulating slot a, scrubbing tower follow
Annular groove b, condenser acid storage tank；The furnace gas for needing to purify passes through the first scrubbing tower preliminary purification, furnace gas after primary wash into
Enter the second scrubbing tower secondary washing, the furnace gas export of double purification tower connects the condenser, furnace gas furnace after condensing tube condensation
Gas continues through pipeline into the demister, after demister demisting, finally again through drying tower drying.
2. a kind of flue gas cleaning system as described in claim 1, it is characterised in that first scrubbing tower includes: baffle, hole
Lower section is arranged on the left of first scrubbing tower in plate, furnace gas import, atomizer, cleaning solution entrance, the furnace gas import, and furnace gas goes out
Mouth setting is arranged in the first washing column overhead, the atomizer in the first scrubbing tower right side central, the cleaning solution
Entrance setting forms scrubber layer in the first scrubbing tower right upper portion, the baffle and orifice plate, is distributed in first washing
In the middle part of tower, atomizing nozzle is provided on the atomizer.
3. a kind of flue gas cleaning system as claimed in claim 1 or 2, it is characterised in that the cleaning solution of first scrubbing tower enters
Mouth and cleaning solution outlet are all connected with the scrubbing tower circulating slot a, the scrubbing tower circulating slot a connection settling tank.
4. a kind of flue gas cleaning system as described in claim 1, it is characterised in that second scrubbing tower include: furnace gas into
Mouth, furnace gas export, atomizer, cleaning solution outlet, the furnace gas import are located at the second scrubbing tower left lower, the furnace gas
Outlet is located at the second washing column overhead, and the atomizer is arranged in the middle part of second scrubbing tower, the cleaning solution outlet
It is arranged in the second scrubbing tower lower right side.
5. a kind of flue gas cleaning system as described in claim 1 or 4, it is characterised in that the second scrubbing tower atomizer pass through into
Liquid pipe is connected with the scrubbing tower circulating slot b, and the cleaning solution outlet of second scrubbing tower is followed through liquid back pipe and the scrubbing tower
Annular groove b is connected.
6. a kind of flue gas cleaning system as described in claim 1, it is characterised in that the condenser includes furnace gas import, condensation
Pipe, condensate outlet, furnace gas import setting on the condenser top, the condensate outlet by liquid back pipe with it is described
Condenser acid storage tank connects, and passes through condensed water in the condenser pipe.
7. a kind of flue gas cleaning system as described in claim 1, it is characterised in that washed described in the condenser acid storage tank connection
Wash tower circulating slot b, the scrubbing tower circulating slot b connection scrubbing tower circulating slot a, described in the scrubbing tower circulating slot a connection
Settling tank, the gas entered in settling tank are discharged after gas purifier.
8. a kind of flue gas cleaning system as described in claim 1, it is characterised in that first scrubbing tower and the scrubbing tower
Between circulating slot a can independent loops, between second scrubbing tower and the scrubbing tower circulating slot b can independent loops, it is described cold
It can independent loops between condenser and the condenser acid storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454548.9U CN208244357U (en) | 2017-11-03 | 2017-11-03 | A kind of flue gas cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454548.9U CN208244357U (en) | 2017-11-03 | 2017-11-03 | A kind of flue gas cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208244357U true CN208244357U (en) | 2018-12-18 |
Family
ID=64620481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721454548.9U Expired - Fee Related CN208244357U (en) | 2017-11-03 | 2017-11-03 | A kind of flue gas cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208244357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596844A (en) * | 2017-11-03 | 2018-01-19 | 天津市三木森电炉股份有限公司 | A kind of flue gas cleaning system |
| CN109589737A (en) * | 2019-01-23 | 2019-04-09 | 广州研华环境科技有限公司 | A kind of cracking gas purification system and method |
-
2017
- 2017-11-03 CN CN201721454548.9U patent/CN208244357U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596844A (en) * | 2017-11-03 | 2018-01-19 | 天津市三木森电炉股份有限公司 | A kind of flue gas cleaning system |
| CN109589737A (en) * | 2019-01-23 | 2019-04-09 | 广州研华环境科技有限公司 | A kind of cracking gas purification system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20211103 |