CN101423248A - Chlorinating dust collection in situ slagging and beating apparatus and method during titanic chloride production process - Google Patents
Chlorinating dust collection in situ slagging and beating apparatus and method during titanic chloride production process Download PDFInfo
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- CN101423248A CN101423248A CNA2008102289241A CN200810228924A CN101423248A CN 101423248 A CN101423248 A CN 101423248A CN A2008102289241 A CNA2008102289241 A CN A2008102289241A CN 200810228924 A CN200810228924 A CN 200810228924A CN 101423248 A CN101423248 A CN 101423248A
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- making beating
- slag
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Abstract
The invention provides an in-situ discharging and pulping device of chlorinated dust collection slag in titanium tetrachloride production process and a method thereof, which solve the problems that a solid dust collector discharges discontinuously and the environment is polluted. The device comprises an air-lock unloading device 1, a pulping tank 2, a sludge pump 3, a circulation tank 4, a hydrochloric acid tank 5, a corrosion resistant sludge pump 6 and a leaching tower 7. In the method, chlorinated dust collection slag from the solid dust collector enters the dust collection pulping tank 2 via a gas distributing ring 1.1, an up rotary discharge valve, a gas distributing ring 1.2, a down rotary discharge valve and a gas distributing ring 1.3 sequentially, the chlorinated dust collection slag is dissolved and pulped in the dust collection pulping tank 2, steam containing chlorine hydride generated by pulping passes through the leaching tower 7, and is leached by water so that the chlorine hydride is absorbed, and discharged after reaching standards, and hydrochloric acid generated by the chlorine hydride is collected in the hydrochloric acid tank 5. The invention realizes continuous discharging of chlorinated dust collection slag, avoids leakage of titanium tetrachloride and environment pollution, and improves the yield efficiency of titanium tetrachloride by 2 percent-5 percent.
Description
Technical field;
The invention belongs to the titanium tetrachloride production technology, particularly the apparatus and method of titanic chloride production process chloridized dust collection slag processing.
Background technology:
Form chloridized dust collection slag in the titanic chloride production process, the slag essential substance of gathering dust consists of titanium tetrachloride of iron trichloride, aluminum chloride, titanium dioxide, silicon-dioxide, carbon and trace or the like.If this slag that gathers dust is exposed in the air,, cause serious atmospheric pollution because muriatic volatilization and hydrolytic action can produce a large amount of harmful smog.The solid slag that gathers dust is collected, handled to the domestic method that receives the dirt jar that generally adopts under the solid dust-precipitator, is interrupted the deslagging operation.This treatment process requires loading and unloading at the scene to gather dust jar, the solid dust-precipitator is carried out anti-blocking cleaning, can't avoid the solid slag that gathers dust to contact with atmosphere, produces a large amount of smog, and the work on the spot environment is very abominable.Flushing the gathering dust during slag in the jar of gathering dust can produce a large amount of smog, expends a large amount of water simultaneously, produces a large amount of high salinity waste waters.Chinese patent 200710010074.3 has been introduced a kind of making beating chemical treatment method of chloride slag, hydrolysis does not take place discharges residue outlet smoothly but provide chloride slag, prevents the continuous discharging slag method that process gas leaks in the dust-precipitator.
Summary of the invention:
The present invention is achieved in that
Be interrupted deslagging in order to solve the solid dust-precipitator, the slag that gathers dust contacts with atmosphere and produces a large amount of smog, and problem of environment pollution caused provides a kind of slag that gathers dust to discharge smoothly in the solid dust-precipitator, carries out the treatment unit and the method for original position dissolving, making beating.
Titanic chloride production process chlorinating dust collection in situ slagging beating apparatus, its special character is that it comprises from the outlet of the deslagging of solid dust-precipitator and connects lock gas shedding mechanism 1 and making beating jars 2 successively by pipeline, making beating jar 2 and slush pump 3, circulating water pool 4 is formed the loop line by pipeline, circulating water pool 4 has slag-drip opening, hydrochloric acid tank 5, corrosion-resistant slush pump 6 and eluting column 7 are formed the loop line by pipeline, making beating jar 2 tops link to each other with eluting column 7 by pipeline, on the eluting column 7 evacuation port is arranged, lock gas shedding mechanism 1 is by two rotation discharge valves up and down with on two rotation discharge valves, in, three gas distribution rings 1.1 that upper/lower positions is installed, 1.2 and 1.3 compositions.
Titanic chloride production process chlorinating dust collection in situ slagging methods of beating, chloridized dust collection slag dissolving in the making beating jar 2 that gathers dust from the solid dust-precipitator, making beating, the slag slurry that gathers dust circulates by slush pump 3 and circulating water pool 4, making beating forms contains hydrogenchloride steam, through qualified discharge behind the eluting column 7 water wash absorbing hydrogen chlorides, hydrogenchloride forms hydrochloric acid and is collected in the hydrochloric acid tank 5, its special character is the chloridized dust collection slag from the solid dust-precipitator, pass through gas distribution ring 1.1 successively, last rotation discharge valve, gas distribution ring 1.2, following rotation discharge valve, gas distribution ring 1.3 enters the making beating jar 2 that gathers dust, and the pressure of solid dust-precipitator slag-drip opening is P
0, the pressure of gas is p in the gas distribution ring 1.1
1, the pressure of gas is p in the gas distribution ring 1.2
2, the pressure of gas is p in the gas distribution ring 1.3
3,Making beating jar 2 interior pressure are P
4, and P
0≤ P
1≤ P
2, P
2〉=P
3〉=P
4
Making beating water temp T in the aforesaid method＜60 ℃.
Feed the shielding gas (as nitrogen, air) of certain flow adjustable pressure, control the gaseous tension p of three gas distribution rings 1.1,1.2 and 1.3
1, p
2, p
3, by exhaust fan control making beating pressure tank P
0Gaseous tension p by adjustments of gas distributing ring 1.1
1And flow, guaranteeing that powdery solid in the solid dust-precipitator slag that gathers dust discharges the dust-precipitator slag notch, process gass such as titanium tetrachloride are not discharged dust-precipitator; Gaseous tension p by adjustments of gas distributing ring 1.2
2And flow, guarantee to gather dust through gas distribution ring 1.1 that slag is descending smoothly, 1.1 gases of gas distribution ring are not descending, rotation discharge valve below gas is not up down; Gaseous tension p by adjustments of gas distributing ring 1.3
3And flow, guaranteeing to come downwards to making beating jar 2 through the slag that gathers dust of gas distribution ring 1.2, the steam that making beating produces does not drive in the wrong direction to gas distribution ring 1.3.
Because inlet, middle part and outlet at air locking machine structure 1 are provided with the gas distribution ring 1.1,1.2 and 1.3 that feeds protection gas (as nitrogen, air) respectively, the pressure P in gaseous tension wherein and the solid dust-precipitator
0, the making beating jar in a pressure P
4Between the pass be: P
0≤ P
1≤ P
2, P
2〉=P
3〉=P
4, the slag that so can guarantee to gather dust is discharged the solid dust-precipitator continuously, process gas does not leak, pulls an oar, and steam is not up, the interior not hydrolysis of chloride slag of scum pipe, realized chloridized dust collection slag continuous blow-down, avoided the hydrolysis putty; Prevent the leakage of titanium tetrachloride, improved titanium tetrachloride yield 2%～5%.
Adopt above-mentioned process control method, guaranteed that hydrolysis does not take place chloride slag on the one hand, discharge scum pipe continuously smoothly with dried slag form; Prevented that on the other hand the process gas in the solid dust-precipitator from leaking through scum pipe.
Because making beating jar links to each other with circulating water pool, making beating liquid at system's internal recycle, cancelled the loading and unloading of the jar that gathers dust, eliminated the topsoil root, and can water saving 90%.
Through the slag that gathers dust of concentration, useful and valuable material has obtained enrichment, can realize resource utilization.
Description of drawings
Accompanying drawing is the structural representation of embodiment.
Embodiment
Narrate embodiment 3 with reference to the accompanying drawings.
Titanic chloride production process chlorinating dust collection in situ slagging beating apparatus, it comprises from the outlet of the deslagging of solid dust-precipitator and connects lock gas shedding mechanism 1 and making beating jars 2 successively by pipeline, making beating jar 2 and slush pump 3, circulating water pool 4 are formed the loop line by pipeline, and circulating water pool 4 has slag-drip opening.Hydrochloric acid tank 5, corrosion-resistant slush pump 6 and eluting column 7 are formed the loop line by pipeline.Making beating jar 2 tops link to each other with eluting column 7 by pipeline, on the eluting column 7 evacuation port are arranged.Lock gas shedding mechanism 1 is by commercially available two rotation discharge valves up and down, and three gas distribution rings 1.1,1.2 and 1.3 of installing on the pipeline of slagging tap of the position, upper, middle and lower of two rotation discharge valves are formed.Shielding gas enters gas distribution ring by inlet pipe protection gas is evenly distributed in the residue outlet.The rotation discharge valve not only can discharging, but also can utilize the stock column that forms on the impeller, reached the sealing to lock gas shedding mechanism lower gas.The pressure of solid dust-precipitator slag-drip opening is P
0, the pressure of gas is p in the gas distribution ring 1.1
1, the pressure of gas is p in the gas distribution ring 1.2
2, the pressure of gas is p in the gas distribution ring 1.3
3, making beating jar interior pressure is P
4
Titanic chloride production process chlorinating dust collection in situ slagging methods of beating, chloridized dust collection slag from the solid dust-precipitator, by pipeline successively through gas distribution ring 1.1, on rotate discharge valve, gas distribution ring 1.2, rotation discharge valve, gas distribution ring 1.3 enter the making beating jars 2 of gathering dust down, chloridized dust collection slag dissolving in the making beating jar 2 that gathers dust, making beating, the slag slurry that gathers dust circulates by 3 slush pump and 4 circulating water pools.Slurry is sent to when saturated and is filtered, separating treatment, to circulating water pool moisturizing recirculation.Making beating forms contains hydrogenchloride steam, and through qualified discharge behind the eluting column 7 water wash absorbing hydrogen chlorides, hydrogenchloride forms hydrochloric acid and is collected in the hydrochloric acid tank 5.
Processing parameter explanation: solid dust-precipitator top hole pressure P
0=0.1～0.3MPa (absolute pressure), making beating pressure tank P gathers dust
4＜0.1MPa (absolute pressure), making beating water temp T＜60 ℃; Solid dust-precipitator top hole pressure P
0≤ P
1≤ P
2, P
2〉=P
3〉=dirt making beating pressure tank P
4
Claims (3)
1, titanic chloride production process chlorinating dust collection in situ slagging beating apparatus, it is characterized in that it comprises from the outlet of the deslagging of solid dust-precipitator connects lock gas shedding mechanism (1) and making beating jar (2) successively by pipeline, making beating jar (2) and slush pump (3), circulating water pool (4) is formed the loop line by pipeline, circulating water pool (4) has slag-drip opening, hydrochloric acid tank (5), corrosion-resistant slush pump (6) and eluting column (7) are formed the loop line by pipeline, making beating jar (a 2) top links to each other with eluting column (7) by pipeline, eluting column has evacuation port on (7), and lock gas shedding mechanism (1) is by two rotation discharge valves up and down with on two rotation discharge valves, in, three gas distribution rings (1.1) that upper/lower positions is installed, (1.2) and (1.3) form.
2, titanic chloride production process chlorinating dust collection in situ slagging methods of beating, chloridized dust collection slag dissolving in the making beating jar (2) of gathering dust from the solid dust-precipitator, making beating, the slag slurry that gathers dust circulates by slush pump (3) and circulating water pool (4), making beating forms contains hydrogenchloride steam, through qualified discharge behind eluting column (7) the water wash absorbing hydrogen chloride, hydrogenchloride forms hydrochloric acid and is collected in the hydrochloric acid tank (5), it is characterized in that chloridized dust collection slag from the solid dust-precipitator, pass through gas distribution ring (1.1) successively, last rotation discharge valve, gas distribution ring (1.2), following rotation discharge valve, gas distribution ring (1.3) enters the making beating jar (2) of gathering dust, and the pressure of solid dust-precipitator slag-drip opening is P
0, the pressure of gas is p in the gas distribution ring (1.1)
1, the pressure of gas is p in the gas distribution ring (1.2)
2, the pressure of gas is p in the gas distribution ring (1.3)
3, the pressure in the making beating jar (2) is P
4, and P
0≤ P
1≤ P
2, P
2〉=P
3〉=P
4
3,, it is characterized in that described making beating water temp T＜60 ℃ according to the said titanic chloride production process chlorinating dust collection in situ slagging of claim 2 methods of beating.
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| CN2008102289241A CN101423248B (en) | 2008-11-20 | 2008-11-20 | Chlorinating dust collection in situ slagging and beating apparatus and method during titanic chloride production process |
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|---|---|---|---|
| CN2008102289241A CN101423248B (en) | 2008-11-20 | 2008-11-20 | Chlorinating dust collection in situ slagging and beating apparatus and method during titanic chloride production process |
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| CN101423248B CN101423248B (en) | 2010-10-27 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267627A (en) * | 2011-07-25 | 2011-12-07 | 武汉钢铁(集团)公司 | Method for reducing discharging quantity of standard part star discharge valve |
| CN104030344A (en) * | 2014-05-22 | 2014-09-10 | 昆明有色冶金设计研究院股份公司 | Comprehensive treatment method for titanium tetrachloride dust collecting residue |
| CN104772317A (en) * | 2014-01-14 | 2015-07-15 | 贵阳铝镁设计研究院有限公司 | Comprehensive treatment method for waste fused salts and dust collection slag produced through titanium tetrachloride fused salt chlorination |
| CN106586962A (en) * | 2016-11-23 | 2017-04-26 | 昆明理工大学 | Method for recycling hydrochloric acid through vapor neutral hydrolysis of titanium tetrachloride dust collection residues |
| CN110270579A (en) * | 2019-06-28 | 2019-09-24 | 攀钢集团钛业有限责任公司 | The processing method of powdery dry slag containing vanadium |
| CN110270580A (en) * | 2019-06-28 | 2019-09-24 | 攀钢集团钛业有限责任公司 | The processing method of powdery dry slag containing vanadium |
-
2008
- 2008-11-20 CN CN2008102289241A patent/CN101423248B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267627A (en) * | 2011-07-25 | 2011-12-07 | 武汉钢铁(集团)公司 | Method for reducing discharging quantity of standard part star discharge valve |
| CN102267627B (en) * | 2011-07-25 | 2012-11-28 | 武汉钢铁(集团)公司 | Method for reducing discharging quantity of standard part star discharge valve |
| CN104772317A (en) * | 2014-01-14 | 2015-07-15 | 贵阳铝镁设计研究院有限公司 | Comprehensive treatment method for waste fused salts and dust collection slag produced through titanium tetrachloride fused salt chlorination |
| CN104030344A (en) * | 2014-05-22 | 2014-09-10 | 昆明有色冶金设计研究院股份公司 | Comprehensive treatment method for titanium tetrachloride dust collecting residue |
| CN106586962A (en) * | 2016-11-23 | 2017-04-26 | 昆明理工大学 | Method for recycling hydrochloric acid through vapor neutral hydrolysis of titanium tetrachloride dust collection residues |
| CN110270579A (en) * | 2019-06-28 | 2019-09-24 | 攀钢集团钛业有限责任公司 | The processing method of powdery dry slag containing vanadium |
| CN110270580A (en) * | 2019-06-28 | 2019-09-24 | 攀钢集团钛业有限责任公司 | The processing method of powdery dry slag containing vanadium |
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| Publication number | Publication date |
|---|---|
| CN101423248B (en) | 2010-10-27 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Owner name: JINZHOU JINYE CHEMICAL METALLURGY TECHNOLOGY CO., Free format text: FORMER NAME: JINZHOU JINYE CHEMICAL METALLURGICAL TECHNOLOGY CONSULTING CO., LTD. |
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Address after: 401 room 27, No. 121013, Yu Jie street, hi tech Development Zone, Liaoning, Jinzhou Patentee after: Jinzhou gold Chemical Metallurgy Technology Co., Ltd. Address before: 302 room 29, No. 121013, Yu Jie street, hi tech Development Zone, Liaoning, Jinzhou Patentee before: Jinzhou Jinye Chemical Metallurgical Technology Consulting Co., Ltd. |
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| CI01 | Correction of invention patent gazette |
Correction item: Patentee Correct: Jinzhou Jinye Metallurgical Technology Co. Ltd.|401 room 27, No. 121013, Yu Jie street, hi tech Development Zone, Liaoning, Jinzhou False: Jinzhou gold Chemical Metallurgy Technology Co., Ltd.|401 room 27, No. 121013, Yu Jie street, hi tech Development Zone, Liaoning, Jinzhou Number: 40 Volume: 28 |
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Free format text: CORRECT: PATENTEE; FROM: JINZHOU JINYE CHEMICAL METALLURGY TECHNOLOGY CO., LTD.:121013 JINZHOU, LIAONING PROVINCE TO: JINZHOU JINYE CHEMICAL AND METALLURGIC TECHNOLOGY CO., LTD.:121013 JINZHOU, LIAONING PROVINCE |