CN110433643A - A kind of highly effective energy-conserving environmental-protecting type chilling tower - Google Patents
A kind of highly effective energy-conserving environmental-protecting type chilling tower Download PDFInfo
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- CN110433643A CN110433643A CN201910800790.4A CN201910800790A CN110433643A CN 110433643 A CN110433643 A CN 110433643A CN 201910800790 A CN201910800790 A CN 201910800790A CN 110433643 A CN110433643 A CN 110433643A
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- chilling tower
- flue gas
- waste heat
- temperature flue
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
- B01D53/70—Organic halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/306—Alkali metal compounds of potassium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/206—Organic halogen compounds
- B01D2257/2064—Chlorine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a kind of highly effective energy-conserving environmental-protecting type chilling towers, belong to fume treatment technical field.The present invention includes chilling tower ontology, the chilling tower ontology is made of spray section, waste heat exhausting section and high-temperature flue gas entry section, the top of chilling tower ontology offers cryogenic gas outlet, the bottom end of chilling tower ontology offers dirt mud outlet, the inside of the spray section is arranged at intervals with spray head, the outer wall of the waste heat exhausting section is equipped with waste heat recovery pipe road, and the surface of high-temperature flue gas entry section is communicated with venturi nozzle, fume treatment pipe is provided at the nozzle of venturi nozzle.The present invention is ensured using chilling and chemical method are double, has not only guaranteed efficiently quickly cooling, dedusting, desulphurization denitration and removal dioxins concentration, but also can make full use of flue gas heat, effectively energy-saving, reduces production cost.
Description
Technical field
The present invention relates to fume treatment technical fields, more specifically to a kind of highly effective energy-conserving environmental-protecting type chilling tower.
Background technique
Currently, national environmental protection regulation is increasingly strict, proposes rigors to the discharge aspect of atmosphere pollution, burns in rubbish
It burns, dangerous waste incineration system and field of steel metallurgy, chilling tower is chilling and dust removal process are carried out to high-temperature dust-containing flue gas important
Equipment, and existing chilling tower has some limitations in terms of energy conservation and environmental protection, does not have for the sensible heat of high-temperature flue gas
Effect utilizes, and causes a degree of waste, and dioxin is mostly to be adsorbed on flue dust in solid form under cryogenic
Surface (primary attachment is on fine grained surface), therefore efficiently chilling and dedusting are that the means of dioxin are effectively reduced.For above
Problem, need to design one kind can efficiently chilling, dedusting, effectively absorb and removal dioxin, and high-temperature flue gas can be made full use of aobvious
The energy saving and environment friendly chilling tower of heat, solves the above problems.
Summary of the invention
1. technical problems to be solved by the inivention
In view of the defects existing in the prior art with deficiency, the present invention provides a kind of highly effective energy-conserving environmental-protecting type chilling towers, originally
Invention can either substantially reduce dust, desulphurization denitration, removal dioxin, and can sufficiently recycle high-temperature flue gas sensible heat, using chilling
With the double guarantees of chemical method, quickly cooling, dedusting, desulphurization denitration and removal dioxins concentration were not only guaranteed efficiently, but also can be abundant
It is effectively energy-saving using flue gas heat, reduce production cost.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of highly effective energy-conserving environmental-protecting type chilling tower of the invention, including chilling tower ontology, the chilling tower ontology is by spraying
Section, waste heat exhausting section and high-temperature flue gas entry section composition are drenched, the top of chilling tower ontology offers cryogenic gas outlet, chilling tower
The bottom end of ontology offers dirt mud outlet, and the inside of the spray section is arranged at intervals with spray head, the output end of spray head
Embedded with atomizer, the bottom of spray section is connected to waste heat exhausting section, and the outer wall laying of the waste heat exhausting section has surplus heat back
Closed tube road, waste heat recovery pipe road are intervally arranged on the surface of waste heat exhausting section, and the bottom of the waste heat exhausting section is connected to high temperature
Smoke inlet section, the surface of high-temperature flue gas entry section are communicated with venturi nozzle, the external high-temperature flue gas of venturi nozzle, venturi
Be provided with fume treatment pipe at the nozzle of nozzle, the fume treatment pipe pass through from bottom to top the inner wall of chilling tower ontology and with
Venturi nozzle is connected to, and is passed through alkaline solution inside fume treatment pipe.
Further, the spray head input terminal is by the external alkaline solution of pipeline, alkaline solution select NaOH, KOH,
Ca(OH)2Or ammonium hydroxide.
Further, the waste heat recovery pipe road upper and lower ends are circulating line, and middle part uses the vertical segment pipe of solid matter
It is attached, water or air is passed through in pipeline.
Further, the spray section, the inner wall masonry of high-temperature flue gas entry section have refractory material.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
The present invention can either substantially reduce dust, desulphurization denitration, removal dioxin, and it is aobvious sufficiently to recycle high-temperature flue gas
Heat, by the way that high-temperature dust-containing flue gas is carried out step cooling, make flue-gas temperature be chilled to from 1000 DEG C of high temperature or more 200 DEG C hereinafter,
Dust-laden high-temperature flue gas is sprayed into chilling tower by inlet high speed, while being passed through alkaline solution in inlet, and alkaline solution is by high speed
Air-flow hits and is atomized, and preliminary cooling dedusting and removal dioxin and acidic materials etc. is carried out, when flue gas enters chilling tower sheet
When internal, chilling tower top continue spray alkaline solution further cool down, dedusting and absorption dioxin, using chilling with
Chemical method is double to be ensured, has not only guaranteed efficient quickly cooling, dedusting, desulphurization denitration and removal dioxins concentration, but also can be sufficiently sharp
It is effectively energy-saving with flue gas heat, reduce production cost.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention.
In figure: 1, chilling tower ontology；11, spray section；12, waste heat exhausting section；13, high-temperature flue gas entry section；14, low temperature gas
Body outlet；15, dirt mud outlet；2, spray head；21, atomizer；3, waste heat recovery pipe road；4, venturi nozzle；5, flue gas
Processing pipe.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Embodiment 1
It will be seen from figure 1 that a kind of highly effective energy-conserving environmental-protecting type chilling tower of the present embodiment, including chilling tower ontology 1, chilling
Tower ontology 1 is made of spray section 11, waste heat exhausting section 12 and high-temperature flue gas entry section 13, spray section 11, high-temperature flue gas entry section
13 inner wall masonry has refractory material, in order to fully ensure that waste heat recovering effect, 12 inner wall of waste heat exhausting section do not build fire proofed wood
Material, the top of chilling tower ontology 1 offer cryogenic gas outlet 14, and the bottom end of chilling tower ontology 1 offers dirt mud outlet 15,
The inside of spray section 11 is arranged at intervals with spray head 2, and 2 input terminal of spray head passes through the external alkaline solution of pipeline, alkaline solution choosing
With NaOH, KOH, Ca (OH)2Or ammonium hydroxide, the output end of spray head 2 are embedded with atomizer 21, spray head 2 sprays into from top to bottom
Alkaline solution makes final outlet cigarette to SOx, NOx in the cooling of high-temperature dust-containing flue gas further chilling, dedusting and removal flue gas
Temperature degree is quickly down to 200 DEG C hereinafter, dioxin effectively removes rate up to 99%, and flue dust is greatly reduced, subsequent to reduce
Dedusting investment cost, the bottom of spray section 11 are connected to waste heat exhausting section 12, and the outer wall of waste heat exhausting section 12 is laid with the recycling that has surplus heat
Pipeline 3, waste heat recovery pipe road 3 are intervally arranged on the surface of waste heat exhausting section 12, and 3 upper and lower ends of waste heat recovery pipe road are ring pipe
Road, middle part are attached using the vertical segment pipe of solid matter, water or air are passed through in pipeline, when flue gas enters in chilling tower ontology 1
When, it can be passed through water in waste heat recovery pipe road 3 or air carries out heat exchange, with obvious heat of smoke in abundant recovery tower, after heating
High temperature air or vapor can be used as secondary energy sources recycling, reduce production cost, the bottom connection of waste heat exhausting section 12
High-temperature flue gas entry section 13, the surface of high-temperature flue gas entry section 13 are communicated with venturi nozzle 4, the external high temperature of venturi nozzle 4
Flue gas, fume treatment pipe 5 is provided at the nozzle of venturi nozzle 4, and fume treatment pipe 5 passes through chilling tower ontology 1 from bottom to top
Inner wall and be connected to venturi nozzle 4,4 internal diameter of venturi nozzle be in local contraction shape, when high-temperature dust-containing flue gas passes through contraction
Duan Shi, because contraction section sectional area becomes smaller, so that flue gas flow rate is increased rapidly along pipe, in inlet, high speed sprays into chilling tower ontology 1
Interior, speed at aditus laryngis is passed through alkaline solution inside fume treatment pipe 5, alkaline solution is selected generally up to 50~60m/s
NaOH、KOH、Ca(OH)2Or ammonium hydroxide, alkaline solution are hit and be atomized by high-speed flows, as high-temperature dust-containing flue gas is high together
Speed sprays into chilling tower ontology 1, high velocity impact and mixing due to the two, not only carries out preliminary cooling dedusting to high-temperature flue gas,
The effective chlorine source of producible dioxin can be reduced, to achieve the purpose that reduce dioxin production quantity, and one can also be reached
Determine degree desulfurization off sulfide effect.
High-temperature flue gas entry section 13 uses venturi-type structure, when high-temperature dust-containing flue gas passes through contraction section, flue gas flow rate
It increases rapidly along pipe, is contacted rapidly with the alkaline solution being passed through in fume treatment pipe 5, form high speed atomisation shape jet stream and spray into rapidly
In chilling tower ontology 1.
SOx, NOx acidic materials in alkaline solution absorption high-temperature flue gas, by alkaline solution in high-temperature flue gas
SOx, NOx acidic materials carry out abundant neutralization reaction, generate sulfate or Nitrates substance etc., play the role of desulphurization denitration,
Alkaline solution can also absorb HCl and Cl in high-temperature flue gas2Substance, principle pass through alkaline solution (such as NaOH, KOH, Ca
(OH)2Or ammonium hydroxide etc.) coming into full contact with and mixing with high-temperature flue gas, absorb the HCl and Cl in flue gas2Generation NaCl (KCl,
NH4Cl or CaCl2) etc. substances, and in turn inhibit HCl decompose generate Cl2, to achieve the purpose that reduce effective chlorine source, can make can
The chlorine source for generating dioxin reduces 60%~80%, and dioxin production quantity is effectively reduced.
The present invention can either substantially reduce dust, desulphurization denitration, removal dioxin, and it is aobvious sufficiently to recycle high-temperature flue gas
Heat, by the way that high-temperature dust-containing flue gas is carried out step cooling, make flue-gas temperature be chilled to from 1000 DEG C of high temperature or more 200 DEG C hereinafter,
Dust-laden high-temperature flue gas is sprayed into chilling tower by inlet high speed, while being passed through alkaline solution in inlet, and alkaline solution is by high speed
Air-flow hits and is atomized, and preliminary cooling dedusting and removal dioxin and acidic materials etc. is carried out, when flue gas enters chilling tower sheet
When in body 1, chilling tower top continue spray alkaline solution further cooled down, dedusting and absorption dioxin, using chilling
With the double guarantees of chemical method, quickly cooling, dedusting, desulphurization denitration and removal dioxins concentration were not only guaranteed efficiently, but also can be abundant
It is effectively energy-saving using flue gas heat, reduce production cost.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (4)
1. a kind of highly effective energy-conserving environmental-protecting type chilling tower, including chilling tower ontology (1), it is characterised in that: the chilling tower ontology
(1) it is made of spray section (11), waste heat exhausting section (12) and high-temperature flue gas entry section (13), the top of chilling tower ontology (1) is opened
(14) are exported equipped with cryogenic gas, the bottom end of chilling tower ontology (1) offers dirt mud outlet (15), the spray section (11)
Inside be arranged at intervals with spray head (2), the output end of spray head (2) is embedded with atomizer (21), the bottom of spray section (11)
Portion is connected to waste heat exhausting section (12), and the outer wall of the waste heat exhausting section (12) is equipped with waste heat recovery pipe road (3), waste heat recycling
Pipeline (3) is intervally arranged on the surface of waste heat exhausting section (12), and the bottom of the waste heat exhausting section (12) is connected to high-temperature flue gas
Entrance (13), the surface of high-temperature flue gas entry section (13) are communicated with venturi nozzle (4), venturi nozzle (4) external high temperature
Flue gas is provided with fume treatment pipe (5) at the nozzle of venturi nozzle (4), and the fume treatment pipe (5) passes through from bottom to top
The inner wall of chilling tower ontology (1) is simultaneously connected to venturi nozzle (4), is passed through alkaline solution inside fume treatment pipe (5).
2. a kind of highly effective energy-conserving environmental-protecting type chilling tower according to claim 1, it is characterised in that: the spray head (2)
Input terminal selects NaOH, KOH, Ca (OH) by the external alkaline solution of pipeline, alkaline solution2Or ammonium hydroxide.
3. a kind of highly effective energy-conserving environmental-protecting type chilling tower according to claim 1, it is characterised in that: the waste heat recovery pipe
Road (3) upper and lower ends are circulating line, and middle part is attached using the vertical segment pipe of solid matter, and water or air are passed through in pipeline.
4. a kind of highly effective energy-conserving environmental-protecting type chilling tower according to claim 1, it is characterised in that: the spray section
(11), the inner wall masonry of high-temperature flue gas entry section (13) has refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800790.4A CN110433643A (en) | 2019-08-28 | 2019-08-28 | A kind of highly effective energy-conserving environmental-protecting type chilling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800790.4A CN110433643A (en) | 2019-08-28 | 2019-08-28 | A kind of highly effective energy-conserving environmental-protecting type chilling tower |
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| CN110433643A true CN110433643A (en) | 2019-11-12 |
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| CN201910800790.4A Pending CN110433643A (en) | 2019-08-28 | 2019-08-28 | A kind of highly effective energy-conserving environmental-protecting type chilling tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906751A (en) * | 2019-12-05 | 2020-03-24 | 中冶华天南京工程技术有限公司 | Electric furnace flue gas quenching device |
| CN111974726A (en) * | 2020-08-31 | 2020-11-24 | 合肥江海智慧泵站数据科技有限责任公司 | Ash discharging device of quenching pump station |
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| JP2012081451A (en) * | 2010-10-14 | 2012-04-26 | Babcock Hitachi Kk | Apparatus and method for treating flue gas coming from combustion apparatus of oxygen combustion type, and wet-type method and apparatus for desulfurizing flue gas for use therein |
| CN206549365U (en) * | 2017-01-11 | 2017-10-13 | 丁顺成 | Emission-control equipment |
| CN108325275A (en) * | 2018-03-15 | 2018-07-27 | 无锡市泰新环保科技有限公司 | The combined cooling method and combined cooler of high-temperature oil gas |
| CN108534564A (en) * | 2018-05-31 | 2018-09-14 | 北京宏帆态金节能科技有限公司 | A kind of high-temperature flue gas quenching apparatus |
-
2019
- 2019-08-28 CN CN201910800790.4A patent/CN110433643A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012081451A (en) * | 2010-10-14 | 2012-04-26 | Babcock Hitachi Kk | Apparatus and method for treating flue gas coming from combustion apparatus of oxygen combustion type, and wet-type method and apparatus for desulfurizing flue gas for use therein |
| CN201832555U (en) * | 2010-11-05 | 2011-05-18 | 中国石油化工股份有限公司 | Optimized two-circulating flue gas dust removal and desulfurization device |
| CN206549365U (en) * | 2017-01-11 | 2017-10-13 | 丁顺成 | Emission-control equipment |
| CN108325275A (en) * | 2018-03-15 | 2018-07-27 | 无锡市泰新环保科技有限公司 | The combined cooling method and combined cooler of high-temperature oil gas |
| CN108534564A (en) * | 2018-05-31 | 2018-09-14 | 北京宏帆态金节能科技有限公司 | A kind of high-temperature flue gas quenching apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906751A (en) * | 2019-12-05 | 2020-03-24 | 中冶华天南京工程技术有限公司 | Electric furnace flue gas quenching device |
| CN111974726A (en) * | 2020-08-31 | 2020-11-24 | 合肥江海智慧泵站数据科技有限责任公司 | Ash discharging device of quenching pump station |
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Application publication date: 20191112 |