CN102020290A - Improved desulfurizing unit in ammonia synthesis technique - Google Patents
Improved desulfurizing unit in ammonia synthesis technique Download PDFInfo
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- CN102020290A CN102020290A CN2009101833844A CN200910183384A CN102020290A CN 102020290 A CN102020290 A CN 102020290A CN 2009101833844 A CN2009101833844 A CN 2009101833844A CN 200910183384 A CN200910183384 A CN 200910183384A CN 102020290 A CN102020290 A CN 102020290A
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Abstract
The invention discloses an improved desulfurizing unit in an ammonia synthesis technique. The improved desulfurizing unit comprises a cleaning tower and a desulfurizing tower, wherein cyclone-type gas-liquid separator is arranged between the cleaning tower and the desulfurizing tower; the cyclone-type gas-liquid separator comprises an exhaust pipe, a trough body, an intake pipe, an upper end socket, a lower end socket, a cyclone plate and the like; mond gas with a doctor solution enters the cyclone-type gas-liquid separator for gas-liquid separation from the exhaust pipe at the tower top; the gas obtained after gas-liquid separation enters the cleaning tower; and the doctor solution after gas-liquid separation enters a liquid distributor in the desulfurizing tower again through a liquid discharge pipe on the bottom of the cyclone gas-liquid separator, thereby reducing wastes. Meanwhile, the analysis on the gas from the exhaust pipe of the cyclone-type gas-liquid separator turns out that the gas does not contain the doctor solution. Thus, the invention has the advantages that the service life of the equipment is prolonged, the subsequent circulating water treatment is simplified, the cost is saved and the benefits are increased.
Description
Technical field
The present invention relates to a kind of improvement of desulfurizer, especially a kind ofly can reduce cost, prolong service life of equipment, increase the improvement of desulfurizer in the ammonia synthesis process of benefit.
Background technology
In the ammonia synthesis process desulfurization technology, thionizer band liquid is serious, is with liquid 4～6m every day
3This phenomenon not only causes the waste of doctor solution, and causes pipeline, valve weak point in work-ing life, increases maintenance cost, increases operation easier simultaneously.After doctor solution is brought cleaning tower into, not only destroyed circulating water quality, and made troubles, increased production cost to circulating water treatment.
Summary of the invention
In order to overcome above-mentioned defective, the invention provides the improvement of desulfurizer in a kind of ammonia synthesis process, the improvement of desulfurizer provides cost savings in this ammonia synthesis process, and has prolonged the work-ing life of equipment, increased benefit, and simple in structure, cost is low, easy to implement.
The present invention for the technical scheme that solves its technical problem and adopt is:
The improvement of desulfurizer in a kind of ammonia synthesis process, comprise cleaning tower and thionizer, be provided with the cyclone type gas-liquid separator, to use direction to be benchmark, the cat head escape pipe of described thionizer is connected with the inlet pipe of described cyclone type gas-liquid separator, the escape pipe of described cyclone type gas-liquid separator is connected with described cleaning tower, and the bottom of described cyclone type gas-liquid separator is communicated with down the liquid pipe, and the interior liquid distributor of described down liquid pipe and described thionizer is connected.To up, the doctor solution that sprays downwards with top of tower fully contacts semi-water gas, sloughs H from the thionizer bottom
2Behind the S, the semi-water gas that has partial desulfurization liquid enters the cyclone type gas-liquid separator by the cat head escape pipe and carries out gas-liquid separation, gas after the gas-liquid separation enters cleaning tower through the escape pipe of whirlwind separator, doctor solution after the gas-liquid separation falls into the whirlwind separator bottom, and warp liquid pipe down reenters liquid distributor in the thionizer.
Further technical scheme of the present invention is:
The structure of described cyclone type gas-liquid separator is: be benchmark to use direction, comprise escape pipe, cell body, inlet pipe, upper cover and lower cover, described cell body is the airtight barrel of hollow, described upper cover is fixed in described cell body upper end and seals described cell body upper end, offer the air outlet on the described upper cover, described air outlet is connected with described escape pipe, described lower cover is fixed in described cell body lower end and seals described cell body lower end, offer out inlet mouth on the described lower cover, described inlet mouth is connected with described inlet pipe and the upper end of described inlet pipe is stretched in the cell body, the lower end of described lower cover is connected with described liquid pipe down, described inlet pipe upper end radially outward is fixed with the lee board of a loop, fixedly connected a circle gusset that is useful on support between the lower surface of described inlet pipe external wall of upper portion and described lee board, the upper fixed of described lee board has the last aerofoil of a loop, and described upward aerofoil is corresponding with described lee board, on described, there is the space between the outward flange of lee board and the inwall of described cell body, be provided with the blast cap of taper, point is loose down on the described blast cap, the lower rim of described blast cap is sealingly fastened in the described upper surface of going up aerofoil, and blast cap covers the described hollow space of going up aerofoil, on described, be provided with cyclone plate between lee board, the center of described cyclone plate communicates with described inlet pipe and described blast cap respectively, the side of described cyclone plate is provided with some air outlets, and the center of each described air outlet and cyclone plate is communicated with conduit.The semi-water gas that has partial desulfurization liquid is entered in the described cyclone plate by the inlet pipe of cat head escape pipe and cyclone type gas-liquid separator, gas-liquid separation is realized in the semi-water gas that the has partial desulfurization liquid back of coming out from the air outlet of cyclone plate side, liquid is focused to described lower cover place, and the liquid pipe reenters in the interior liquid distributor of thionizer under the warp, gas rises to the upper cover place, and enters cleaning tower through escape pipe.
The invention has the beneficial effects as follows: after the cyclone type gas-liquid separator has been installed, doctor solution has been got back to thionizer again, reduced waste, getting the gas that cyclone type gas-liquid separator escape pipe comes out simultaneously performs an analysis, cannot analyse doctor solution, prolonged the work-ing life of equipment, simplified follow-up circulating water treatment, provide cost savings, increased benefit.
Description of drawings
Fig. 1 is a schematic diagram of the present invention;
Fig. 2 is the structural representation of cyclone type gas-liquid separator of the present invention.
Embodiment
Embodiment: the improvement of desulfurizer in a kind of ammonia synthesis process, comprise cleaning tower 1 and thionizer 2, be provided with cyclone type gas-liquid separator 3, to use direction to be benchmark, the cat head escape pipe of described thionizer is connected with the inlet pipe 5 of described cyclone type gas-liquid separator, the escape pipe 6 of described cyclone type gas-liquid separator is connected with described cleaning tower, and the bottom of described cyclone type gas-liquid separator is communicated with down liquid pipe 7, and the interior liquid distributor of described down liquid pipe and described thionizer is connected.Semi-water gas from thionizer bottom to up, the doctor solution that sprays downwards with top of tower fully contacts, after sloughing H2S, the semi-water gas that has partial desulfurization liquid enters the cyclone type gas-liquid separator by the cat head escape pipe and carries out gas-liquid separation, gas after the gas-liquid separation enters cleaning tower through the escape pipe of whirlwind separator, doctor solution after the gas-liquid separation falls into the whirlwind separator bottom, and warp liquid pipe down reenters liquid distributor in the thionizer.
The structure of described cyclone type gas-liquid separator is: be benchmark to use direction, comprise escape pipe 6, cell body 8, inlet pipe 5, upper cover 9 and lower cover 10, described cell body is the airtight barrel of hollow, described upper cover is fixed in described cell body upper end and seals described cell body upper end, offer the air outlet on the described upper cover, described air outlet is connected with described escape pipe, described lower cover is fixed in described cell body lower end and seals described cell body lower end, offer out inlet mouth on the described lower cover, described inlet mouth is connected with described inlet pipe and the upper end of described inlet pipe is stretched in the cell body, the lower end of described lower cover is connected with described liquid pipe 7 down, described inlet pipe upper end radially outward is fixed with the lee board 11 of a loop, fixedly connected a circle gusset 12 that is useful on support between the lower surface of described inlet pipe external wall of upper portion and described lee board, the upper fixed of described lee board has the last aerofoil 13 of a loop, and described upward aerofoil is corresponding with described lee board, on described, there is the space between the outward flange of lee board and the inwall of described cell body, be provided with the blast cap 14 of taper, point is loose down on the described blast cap, the lower rim of described blast cap is sealingly fastened in the described upper surface of going up aerofoil, and blast cap covers the described hollow space of going up aerofoil, on described, be provided with cyclone plate 15 between lee board, the center of described cyclone plate communicates with described inlet pipe and described blast cap respectively, the side of described cyclone plate is provided with some air outlets, and the center of each described air outlet and cyclone plate is communicated with conduit.The semi-water gas that has partial desulfurization liquid is entered in the described cyclone plate by the inlet pipe of cat head escape pipe and cyclone type gas-liquid separator, gas-liquid separation is realized in the semi-water gas that the has partial desulfurization liquid back of coming out from the air outlet of cyclone plate side, liquid is focused to described lower cover place, and the liquid pipe reenters in the interior liquid distributor of thionizer under the warp, gas rises to the upper cover place, and enters cleaning tower through escape pipe.
To produce 400000 tons of synthetic ammonia abilities per year, having 4 cover desulfurization supporting with it is example, behind the installation cyclonic separator, saves 4 * 5=20m every day
3, annual 330 * 20=6600m
3, the doctor solution cost is 120 yuan/m
3, then increasing benefit in year is ten thousand yuan of 120 * 6600=79.2.
Claims (2)
1. the improvement of desulfurizer in the ammonia synthesis process, comprise cleaning tower (1) and thionizer (2), it is characterized in that: be provided with cyclone type gas-liquid separator (3), to use direction to be benchmark, the cat head escape pipe of described thionizer is connected with the inlet pipe (5) of described cyclone type gas-liquid separator, the escape pipe of described cyclone type gas-liquid separator (6) is connected with described cleaning tower, the bottom of described cyclone type gas-liquid separator is communicated with down liquid pipe (7), and the interior liquid distributor of described down liquid pipe and described thionizer is connected.
2. the improvement of desulfurizer in the ammonia synthesis process according to claim 1, it is characterized in that: the structure of described cyclone type gas-liquid separator is: be benchmark to use direction, comprise escape pipe (6), cell body (8), inlet pipe (5), upper cover (9) and lower cover (10), described cell body is the airtight barrel of hollow, described upper cover is fixed in described cell body upper end and seals described cell body upper end, offer the air outlet on the described upper cover, described air outlet is connected with described escape pipe, described lower cover is fixed in described cell body lower end and seals described cell body lower end, offer out inlet mouth on the described lower cover, described inlet mouth is connected with described inlet pipe and the upper end of described inlet pipe is stretched in the cell body, the lower end of described lower cover is connected with described liquid pipe (7) down, described inlet pipe upper end radially outward is fixed with the lee board (11) of a loop, fixedly connected a circle gusset (12) that is useful on support between the lower surface of described inlet pipe external wall of upper portion and described lee board, the upper fixed of described lee board has the last aerofoil (13) of a loop, and described upward aerofoil is corresponding with described lee board, on described, there is the space between the outward flange of lee board and the inwall of described cell body, be provided with the blast cap (14) of taper, point is loose down on the described blast cap, the lower rim of described blast cap is sealingly fastened in the described upper surface of going up aerofoil, and blast cap covers the described hollow space of going up aerofoil, on described, be provided with cyclone plate (15) between lee board, the center of described cyclone plate communicates with described inlet pipe and described blast cap respectively, the side of described cyclone plate is provided with some air outlets, and the center of each described air outlet and cyclone plate is communicated with conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101833844A CN102020290A (en) | 2009-09-11 | 2009-09-11 | Improved desulfurizing unit in ammonia synthesis technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101833844A CN102020290A (en) | 2009-09-11 | 2009-09-11 | Improved desulfurizing unit in ammonia synthesis technique |
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| CN102020290A true CN102020290A (en) | 2011-04-20 |
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| CN2009101833844A Pending CN102020290A (en) | 2009-09-11 | 2009-09-11 | Improved desulfurizing unit in ammonia synthesis technique |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6221325B1 (en) * | 1998-09-08 | 2001-04-24 | Marsulex Environmental Technologies, Llc | Process for controlling ammonia slip in the reduction of sulfur dioxide emission |
| CN1648049A (en) * | 2005-01-11 | 2005-08-03 | 上海申川环保科技有限公司 | Method and device for producing thiamine from sulfur dioxide in recorered smoke |
| CN201553619U (en) * | 2009-09-11 | 2010-08-18 | 江苏恒盛化肥有限公司 | Improved desulfurizing equipment used in ammonia process |
-
2009
- 2009-09-11 CN CN2009101833844A patent/CN102020290A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6221325B1 (en) * | 1998-09-08 | 2001-04-24 | Marsulex Environmental Technologies, Llc | Process for controlling ammonia slip in the reduction of sulfur dioxide emission |
| CN1648049A (en) * | 2005-01-11 | 2005-08-03 | 上海申川环保科技有限公司 | Method and device for producing thiamine from sulfur dioxide in recorered smoke |
| CN201553619U (en) * | 2009-09-11 | 2010-08-18 | 江苏恒盛化肥有限公司 | Improved desulfurizing equipment used in ammonia process |
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Application publication date: 20110420 |