CN105582797A - Tail gas washing and purifying device for HPF (Hydroquinone PDS Ferrisulphas) gas desulfurization - Google Patents
Tail gas washing and purifying device for HPF (Hydroquinone PDS Ferrisulphas) gas desulfurization Download PDFInfo
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- CN105582797A CN105582797A CN201610108308.7A CN201610108308A CN105582797A CN 105582797 A CN105582797 A CN 105582797A CN 201610108308 A CN201610108308 A CN 201610108308A CN 105582797 A CN105582797 A CN 105582797A
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- Prior art keywords
- tail gas
- ammonium sulfate
- tower
- hpf
- pipeline
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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
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
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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
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/242—Preparation from ammonia and sulfuric acid or sulfur trioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/50—Inorganic acids
- B01D2251/506—Sulfuric acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Inorganic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a tail gas washing and purifying device for HPF (Hydroquinone PDS Ferrisulphas) gas desulfurization. The tail gas washing and purifying device comprises a washing tower (1) and an ammonium sulfate mother liquor tank (2); an exhaust pipe (1.1) which is communicated with the inner part of the washing tower (1) is arranged at the top part of the washing tower (1), a mist trapping layer (1.2), a liquid distributor (1.3), a packing layer (1.4) and a tower bottom liquid storage tank (1.5) are arranged inside the washing tower (1) from top to bottom; the middle part of the side wall of the ammonium sulfate mother liquor tank (2) is communicated with the input end of a mother liquid conveying pump (3) through a pipeline, and the output end of the mother liquid conveying pump (3) is communicated with the input end of the liquid distributor (1.3) through a pipeline. The tail gas washing and purifying device for HPF gas desulfurization has a good purification effect and can achieve circular resource production.
Description
Technical field
The present invention relates to a kind of HPF coal gas desulfurization washing tail gas purifier.
Background technology
Adopt HPF coal gas desulfurization, in process of production, the desulfurization regeneration stage need enter large quantity of air from regenerator pucking, and the tail gas having reacted is diffused by regenerator tower top. This partial tail gas approximately contains 3000mg/Nm3Ammonia, larger on environmental ambient air impact, easily surrounding devices is caused to corrosion and damage simultaneously, therefore need to arrange corresponding washing tail gas purifier, but existing washing tail gas purifier exists clean-up effect not good, need absorption liquid inking device, cannot realize the object that circulating resourcesization is produced.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcoming of above prior art: a kind of good purification is provided, realizes circulating resources production object HPF coal gas desulfurization washing tail gas purifier.
Technical solution of the present invention is as follows: a kind of HPF coal gas desulfurization washing tail gas purifier, and it comprises scrubbing tower, ammonium sulfate liquor groove; Described scrubbing tower top is provided with the blast pipe with its internal communication, and described scrubbing tower inside is provided with from top to bottom successively catches reservoir at the bottom of mist layer, liquid distribution trough, packing layer and tower; Described ammonium sulfate liquor groove sidewall middle part is communicated with the input of mother liquor delivery pump by pipeline, and described mother liquor carries delivery side of pump to be communicated with the input of described liquid distribution trough by pipeline; Described ammonium sulfate liquor groove top side wall is communicated with circulation delivery side of pump by pipeline; The input of described circulating pump is communicated with reservoir at the bottom of tower by pipeline; On described scrubbing tower sidewall, at the bottom of packing layer and tower, between reservoir, be provided with and the tail gas inlet pipe of its internal communication.
Pipeline between described mother liquor delivery pump and liquid distribution trough is provided with the first valve; Pipeline between described the first valve and described mother liquor delivery pump is provided with the pH test arm being communicated with reservoir at the bottom of tower; Described pH test arm is provided with the second valve and pH meter.
Pipeline at the bottom of described circulating pump and tower between reservoir is provided with the 3rd valve.
Described tail gas inlet pipe is provided with the blower fan of carrying tail gas.
The purification method that adopts described HPF coal gas desulfurization washing tail gas purifier, comprises the following steps:
1) opening the first valve and mother liquor delivery pump is sulfuric acid infusion fluid distributor by the mother liquor in the ammonium sulfate liquor groove from ammonium sulfate workshop section; Open the 3rd valve and circulating pump by tower at the bottom of defeated time ammonium sulfate liquor groove of cleaning solution in reservoir form circulation;
2) open second valve door on described pH test arm by the pH of described pH meter test mother liquor, when pH reaches after desirable value, close the second valve, the tail gas producing in HPF coal gas desulfurization technical process is entered to scrubbing tower after blower fan pressurization, make that tail gas and acid mother liquid are reverse to be contacted, ammonia and sulfuric acid in tail gas react, and generate ammonium sulfate, and purified gas passes through emission by exhaust pipe after catching the trapping of mist layer;
3), in the time that the ammonia sulfate crystal in ammonium sulfate liquor groove reaches aequum, the ammonia sulfate crystal in ammonium sulfate liquor groove is supplied with to ammonium sulfate workshop section as the raw material of producing ammonium sulfate.
The invention has the beneficial effects as follows: this device is practical that good purification is carried out after purified treatment coal gas desulfurization regeneration tail gas, can greatly reduce pollutant emission, realize pollutant resources, improve surrounding environment quality, alleviate the corrosion to plant area's installations and facilities.
Brief description of the drawings
Fig. 1 is the structural representation of HPF coal gas desulfurization washing tail gas purifier of the present invention.
In figure: 1, scrubbing tower; 1.1, blast pipe; 1.2, catch mist layer; 1.3, liquid distribution trough; 1.4, packing layer; 1.5, reservoir at the bottom of tower; 1.6, tail gas inlet pipe; 2, ammonium sulfate liquor groove; 3, mother liquor delivery pump; 4, circulating pump; 5, the first valve; 6, the second valve; 7, the 3rd valve; 8, blower fan.
Detailed description of the invention
With specific embodiment, the present invention is described in further details below, but the present invention is not only confined to following specific embodiment.
Embodiment
As shown in Figure 1, a kind of HPF coal gas desulfurization washing tail gas purifier, it comprises scrubbing tower 1, ammonium sulfate liquor groove 2; Described scrubbing tower 1 top is provided with the blast pipe 1.1 with its internal communication, and described scrubbing tower 1 inside is provided with from top to bottom successively catches reservoir 1.5 at the bottom of mist layer 1.2, liquid distribution trough 1.3, packing layer 1.4 and tower; Described ammonium sulfate liquor groove 2 sidewall middle parts are communicated with the input of mother liquor delivery pump 3 by pipeline, and the output of described mother liquor delivery pump 3 is communicated with the input of described liquid distribution trough 1.3 by pipeline; Described ammonium sulfate liquor groove 2 top side wall are communicated with the output of circulating pump 4 by pipeline; The input of described circulating pump 4 is communicated with reservoir at the bottom of tower 1.5 by pipeline; On described scrubbing tower 1 sidewall, at the bottom of packing layer 1.4 and tower, between reservoir 1.5, be provided with and the tail gas inlet pipe 1.6 of its internal communication. Pipeline between described mother liquor delivery pump 3 and liquid distribution trough 1.3 is provided with the first valve 5; Pipeline between described the first valve 5 and described mother liquor delivery pump 3 is provided with the pH test arm being communicated with reservoir at the bottom of tower 1.5; Described pH test arm is provided with the second valve 6 and pH meter. Pipeline at the bottom of described circulating pump 4 and tower between reservoir 1.5 is provided with the 3rd valve 7. Described tail gas inlet pipe 1.6 is provided with the blower fan 8 of carrying tail gas.
A purification method that adopts described HPF coal gas desulfurization washing tail gas purifier, comprises the following steps:
1) opening the first valve 5 and mother liquor delivery pump 3 is sulfuric acid infusion fluid distributor 1.3 by the mother liquor in the ammonium sulfate liquor groove 2 from ammonium sulfate workshop section; Open the 3rd valve 7 and circulating pump 4 defeated the cleaning solution in reservoir at the bottom of tower 1.5 time ammonium sulfate liquor groove 2 formed to circulation;
2) open the second valve 6 on described pH test arm by the pH of described pH meter test mother liquor, when pH reaches after desirable value, close the second valve 6, the tail gas producing in HPF coal gas desulfurization technical process after pressurizeing, blower fan 8 is entered to scrubbing tower 1, make that tail gas and acid mother liquid are reverse to be contacted, ammonia and sulfuric acid in tail gas react, and generate ammonium sulfate, and purified gas discharges by blast pipe 1.1 after catching 1.2 trapping of mist layer;
3), in the time that the ammonia sulfate crystal in ammonium sulfate liquor groove 2 reaches aequum, the ammonia sulfate crystal in ammonium sulfate liquor groove 2 is supplied with to ammonium sulfate workshop section as the raw material of producing ammonium sulfate.
Below be only that feature of the present invention is implemented example, protection domain of the present invention is not constituted any limitation. The equal exchange of all employings or equivalence are replaced and the technical scheme of formation, within all dropping on rights protection scope of the present invention.
Claims (5)
1. a HPF coal gas desulfurization washing tail gas purifier, is characterized in that: it comprises scrubbing tower (1), ammonium sulfate liquor groove (2); Described scrubbing tower (1) top is provided with the blast pipe (1.1) with its internal communication, and described scrubbing tower (1) inside is provided with from top to bottom successively catches reservoir (1.5) at the bottom of mist layer (1.2), liquid distribution trough (1.3), packing layer (1.4) and tower; Described ammonium sulfate liquor groove (2) sidewall middle part is communicated with the input of mother liquor delivery pump (3) by pipeline, and the output of described mother liquor delivery pump (3) is communicated with the input of described liquid distribution trough (1.3) by pipeline; Described ammonium sulfate liquor groove (2) top side wall is communicated with the output of circulating pump (4) by pipeline; The input of described circulating pump (4) is communicated with reservoir at the bottom of tower (1.5) by pipeline; On described scrubbing tower (1) sidewall, be positioned at the tail gas inlet pipe (1.6) being provided with between reservoir (1.5) at the bottom of packing layer (1.4) and tower with its internal communication.
2. HPF coal gas desulfurization washing tail gas purifier according to claim 1, is characterized in that: the pipeline between described mother liquor delivery pump (3) and liquid distribution trough (1.3) is provided with the first valve (5); Pipeline between described the first valve (5) and described mother liquor delivery pump (3) is provided with the pH test arm being communicated with reservoir at the bottom of tower (1.5); Described pH test arm is provided with the second valve (6) and pH meter.
3. HPF coal gas desulfurization washing tail gas purifier according to claim 2, is characterized in that: the pipeline at the bottom of described circulating pump (4) and tower between reservoir (1.5) is provided with the 3rd valve (7).
4. HPF coal gas desulfurization washing tail gas purifier according to claim 3, is characterized in that: described tail gas inlet pipe (1.6) is provided with the blower fan (8) of carrying tail gas.
5. a purification method that adopts HPF coal gas desulfurization washing tail gas purifier described in claim 4, is characterized in that: comprise the following steps:
1) opening the first valve (5) and mother liquor delivery pump (3) is sulfuric acid infusion fluid distributor (1.3) by the mother liquor in the ammonium sulfate liquor groove (2) from ammonium sulfate workshop section; Open the 3rd valve (7) and circulating pump (4) defeated time ammonium sulfate liquor groove of the cleaning solution in reservoir at the bottom of tower (1.5) (2) formed to circulation;
2) open the second valve (6) on described pH test arm by the pH of described pH meter test mother liquor, when pH reaches after desirable value, close the second valve (6), the tail gas producing in HPF coal gas desulfurization technical process is entered to scrubbing tower (1) after blower fan (8) pressurization, make that tail gas and acid mother liquid are reverse to be contacted, ammonia and sulfuric acid in tail gas react, and generate ammonium sulfate, and purified gas discharges by blast pipe (1.1) after catching mist layer (1.2) trapping;
3), in the time that the ammonia sulfate crystal in ammonium sulfate liquor groove (2) reaches aequum, the ammonia sulfate crystal in ammonium sulfate liquor groove (2) is supplied with to ammonium sulfate workshop section as the raw material of producing ammonium sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108308.7A CN105582797A (en) | 2016-02-26 | 2016-02-26 | Tail gas washing and purifying device for HPF (Hydroquinone PDS Ferrisulphas) gas desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108308.7A CN105582797A (en) | 2016-02-26 | 2016-02-26 | Tail gas washing and purifying device for HPF (Hydroquinone PDS Ferrisulphas) gas desulfurization |
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| Publication Number | Publication Date |
|---|---|
| CN105582797A true CN105582797A (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610108308.7A Pending CN105582797A (en) | 2016-02-26 | 2016-02-26 | Tail gas washing and purifying device for HPF (Hydroquinone PDS Ferrisulphas) gas desulfurization |
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| Country | Link |
|---|---|
| CN (1) | CN105582797A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108295643A (en) * | 2018-04-08 | 2018-07-20 | 山东钢铁股份有限公司 | The washing tail gas purification system of desulfurization regeneration tower |
| CN113230833A (en) * | 2021-05-28 | 2021-08-10 | 中冶华天工程技术有限公司 | Novel ammonia absorption and crystallized salt separation method |
Citations (8)
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| CN202028335U (en) * | 2011-03-15 | 2011-11-09 | 苏州金宏气体股份有限公司 | Waste gas recycling device of ultra pure ammonia production system |
| CN102527212A (en) * | 2011-12-07 | 2012-07-04 | 南京钢铁股份有限公司 | Comprehensive treating method and system for tail gas in ammoniac tank of coke-oven plant |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108295643A (en) * | 2018-04-08 | 2018-07-20 | 山东钢铁股份有限公司 | The washing tail gas purification system of desulfurization regeneration tower |
| CN113230833A (en) * | 2021-05-28 | 2021-08-10 | 中冶华天工程技术有限公司 | Novel ammonia absorption and crystallized salt separation method |
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Application publication date: 20160518 |
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| RJ01 | Rejection of invention patent application after publication |