CN203043581U - Fixed ammonia distillation column - Google Patents
Fixed ammonia distillation column Download PDFInfo
- Publication number
- CN203043581U CN203043581U CN 201320020933 CN201320020933U CN203043581U CN 203043581 U CN203043581 U CN 203043581U CN 201320020933 CN201320020933 CN 201320020933 CN 201320020933 U CN201320020933 U CN 201320020933U CN 203043581 U CN203043581 U CN 203043581U
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- tower
- sieve plate
- circle
- fixed ammonia
- steam
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Abstract
The utility model discloses a fixed ammonia distillation column. The fixed ammonia distillation column comprises a base, a tower ring I, a tower ring II, a sieve plate, a tower ring III and a tower cover, wherein the tower ring I, the tower ring II, the tower ring III and the tower cover are arranged above the base; the sieve plate is arranged between the tower ring II and the tower ring III; the sieve plate consists of a strip-shaped sieve plate I and a strip-shaped sieve plate II; a steam distributor is arranged in the tower ring I; the steam distributor is arranged above the base; a steam outlet is arranged on the steam distributor; a drainage port is arranged on the base; a blending liquid inlet is arranged on the tower ring III; and a mixing gas outlet is arranged on the tower cover. The fixed ammonia distillation column disclosed by the utility model is good in anti-corrosion performance, uniform in steam distribution, complete and uniform in mass transfer between gas and liquid, simple in structure of the sieve plate, high in utilization rate, convenient installation and detaching, complete heat and mass transfer, and is capable of evaporating all ammonias and consisting with actual production ability greater than 95%.
Description
Technical field
The utility model relates to technical field of chemical, relates in particular to a kind of fixed ammonia destilling tower.
Background technology
Adopted at home and abroad " the ashes vacuum distillation technology " of first Application in the new energy-saving distilling method transformation project, ashes vacuum distillation technology is that quick lime is without digestion, with grinding machine lime is worn into and to be entered behind the powder in the preliming tank directly and pre-hot mother liquor reaction, preliming tank is kept concora crush or micro-vacuum operation, after the gained distiller liquor is pressed into mud settling tank and is isolated the sand of carrying secretly in the pulverized limestone by preliming tank bottom, distilling period from the overflow of mud settling tank top to the fixed ammonia destilling tower carries out vacuum distillation; Adopt this technology, can directly all reclaim the hydration heat of solid CaO, save the ashing water, reduce the about 2m of slops amount
3Reduce heat loss, reduce steam consumption, and improve the concentration of CaCl2 in the waste liquid, be conducive to the waste liquid comprehensive utilization, and because adopted vacuum distillation technique, reduce system's evaporating pressure and temperature, waste liquid secondary shwoot has been reclaimed flash steam, reduced waste liquid temperature, thereby the reduction steam consumption, and prolong the destilling tower operation cycle.
The utility model content
The purpose of this utility model is to provide a kind of fixed ammonia destilling tower.
The technical scheme that the utility model adopts for achieving the above object is: the fixed ammonia destilling tower, comprise base, tower circle one, tower circle two, sieve plate, tower circle three and tower lid, the top of described base is equipped with tower circle one, tower circle two, tower circle three, the tower lid, described tower circle two, between the tower circle three sieve plate is installed, described sieve plate is made up of bar shaped sieve plate one and bar shaped sieve plate two, described bar shaped sieve plate one is connected with nut one by bolt one with bar shaped sieve plate two, in the described tower circle one steam distributor is installed, described steam distributor is installed in the top of base, described steam distributor is provided with steam (vapor) outlet, described base is provided with tap hole, described tower circle three is provided with the distiller liquor import, and described tower covers and is provided with mixed gas outlet.
The screen-aperture of described sieve plate is Φ 70~Φ 120mm, and percent opening is 20%~29%, and the sieve aperture arrangement form is triangle, and described bar shaped sieve plate one is the L type, and described bar shaped sieve plate two is U-shaped.
Described tower circle one is provided with flange, by flange steam distributor is installed in the described tower circle one.
Described steam distributor is installed in the top of base by pillar.
On the described steam (vapor) outlet steam baffle is installed.
The sieve plate of adjacent two layers is interspersed.
Between described base, tower circle one, tower circle two, tower circle three, the tower lid pad is installed, the material of pad is the ethylene-propylene-diene monomer offset plate.
Be connected with nut two by bolt two between described tower circle two, the tower circle three.
Be equipped with on described tower circle two, the tower circle three and renovate manhole.
Upper end in the described tower circle two is provided with the supporting concave station of sieve plate.
The utility model corrosion resistance is good, and steam distribution is even, and the mass transfer between the gas-liquid is more fully with even, sieve-plate structure is simple, utilization rate is high, be convenient to installing/dismounting, guarantee the caloic exchange fully, almost whole ammonia can be steamed more than 95% of realistic production capacity.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model bottom zoomed-in view;
Fig. 3 is the steam distributor vertical view;
Fig. 4 is the utility model partial view;
Fig. 5 is the sieve plate front view;
Fig. 6 is the sieve plate vertical view;
Fig. 7 is that A-A is to view;
Fig. 8 is that B-B is to view.
Wherein: 1, base 2, tower circle 1, steam distributor 4, tower circle 25, sieve plate 6, pad 7, renovate manhole 8, tower circle 39, bar shaped sieve plate 1, bar shaped sieve plate 2 11, tower lid 12, pillar 13, steam (vapor) outlet 14, steam baffle 15, flange.
The specific embodiment
As Fig. 1-shown in Figure 8, the fixed ammonia destilling tower, comprise base 1, tower circle 1, tower circle 24, sieve plate 5, tower circle 38 and Ta Gai 11, the top of described base 1 is equipped with a tower circle 1 successively, 18 tower circles 24, a tower circle 38, two tower circles 24, tower lid 11, described tower circle 1, tower circle 24, be connected with nut two by bolt two between the tower circle 38, described tower circle 24, be equipped with on the tower circle 38 and renovate manhole 7, be convenient to the installation of sieve plate 5, dismounting, rectangular manhole 7 compact conformations of renovating, make easily, upper end in the described tower circle 24 is provided with the supporting concave station of sieve plate 5, from bottom to top the upper end of several second tower circle 24 between the lower end of tower circle 38 every layer sieve plate 5 all is installed, adopt bolt three to be connected with nut three between sieve plate 5 and the tower circle 24, simple in structure, make, install, convenient disassembly, and minimizing leakage point, described base (1), tower circle one (2), tower circle two (4), tower circle three (8), between the tower lid (11) pad (6) is installed, the material of pad (6) is the ethylene-propylene-diene monomer offset plate, high temperature resistant, ageing-resistant, long service life, described sieve plate 5 is made up of bar shaped sieve plate 1 and bar shaped sieve plate 2 10, described bar shaped sieve plate 1 is the L type, described bar shaped sieve plate 2 10 is U-shaped, described bar shaped sieve plate 1 is connected with nut one by bolt one with bar shaped sieve plate 2 10, be convenient to installing/dismounting, described sieve plate 5 is used for gas-liquid mass transfer, simple in structure, plate face utilization rate height, the technology open-cellular form of sieve plate 5 is rounded projections arranged, sieve plate 5 adopts the large aperture sieve aperture of Φ 70~Φ 120mm and 20%~29% little percent opening, gas-liquid adverse current in sieve plate 5 holes is passed through, the froth bed that forms on the sieve plate 5 is up to 200~300mm, guarantee the caloic exchange fully, almost whole ammonia can be steamed, more than 95% of realistic production capacity, sieve plate 5 materials are the Q235B steel plate of 10mm, need not be anticorrosion, the sieve plate 5 of adjacent two layers is interspersed, make the mass transfer between the gas-liquid abundant more and even, described tower circle 1 is provided with flange 15, by flange 15 steam distributor 3 is installed in the described tower circle 1, be convenient to install, dismounting, described steam distributor 3 is installed in the top of base 1 by pillar 12, described steam distributor 3 is provided with steam (vapor) outlet 13, on the described steam (vapor) outlet 13 steam baffle 14 is installed, described base 1 is provided with tap hole, described tower circle 38 is provided with the distiller liquor import, described tower lid 11 is provided with mixed gas outlet, base 1 with the corrosiron manufacturing, tower circle 1, steam distributor 3, tower circle 24, tower circle 38 and Ta Gai 11 make in the tower anticorrosionly also to have good corrosion resistance; Ashes vacuum distillation technology be quick lime without digestion, lime is worn into behind the powder directly and pre-hot mother liquor reaction, behind the sand that the gained distiller liquor is carried secretly, deliver to the distiller liquor import of fixed ammonia destilling tower distilling period in isolating pulverized limestone, carry out vacuum distillation; With the 0.25MPa live steam as working steam, enter steam inlet on the fixed ammonia distillation Tata circle 1 in the lump through the waste liquid shwoot vapour of steam jet ejector injection first flash evaporation and with the steam of 0.07MPa, through sieve plate 5 with top-down distiller liquor counter current contacting, carry out the caloic exchange, almost whole ammonia are steamed; The tap hole of waste liquid on base 1 is discharged to first flash evaporation; Come out to give vent to anger with preliming tank from the mixed gas outlet of tower lid 11 by the ammonia that steamed and enter the fixed ammonia condenser in the lump and filtered the mother liquor cooling.
Claims (10)
1. fixed ammonia destilling tower, it is characterized in that: comprise base (1), tower circle one (2), tower circle two (4), sieve plate (5), tower circle three (8) He Tagai (11), the top of described base (1) is equipped with tower circle one (2), tower circle two (4), tower circle three (8), tower lid (11), described tower circle two (4), sieve plate (5) is installed between the tower circle three (8), described sieve plate (5) is made up of bar shaped sieve plate one (9) and bar shaped sieve plate two (10), described bar shaped sieve plate one (9) is connected with nut one by bolt one with bar shaped sieve plate two (10), in the described tower circle one (2) steam distributor (3) is installed, described steam distributor (3) is installed in the top of base (1), described steam distributor (3) is provided with steam (vapor) outlet (13), described base (1) is provided with tap hole, described tower circle three (8) is provided with the distiller liquor import, and described tower lid (11) is provided with mixed gas outlet.
2. fixed ammonia destilling tower according to claim 1, it is characterized in that: the screen-aperture of described sieve plate (5) is Φ 70~Φ 120mm, and percent opening is 20%~29%, and the sieve aperture arrangement form is triangle, described bar shaped sieve plate one (9) is the L type, and described bar shaped sieve plate two (10) is U-shaped.
3. fixed ammonia destilling tower according to claim 1, it is characterized in that: described tower circle one (2) is provided with flange (15), by flange (15) steam distributor (3) is installed in the described tower circle one (2).
4. fixed ammonia destilling tower according to claim 1, it is characterized in that: described steam distributor (3) is installed in the top of base (1) by pillar (12).
5. fixed ammonia destilling tower according to claim 1 is characterized in that: steam baffle (14) is installed on the described steam (vapor) outlet (13).
6. fixed ammonia destilling tower according to claim 1, it is characterized in that: the sieve plate of adjacent two layers (5) is interspersed.
7. fixed ammonia destilling tower according to claim 1, it is characterized in that: between described base (1), tower circle one (2), tower circle two (4), tower circle three (8), the tower lid (11) pad (6) is installed, the material of pad (6) is the ethylene-propylene-diene monomer offset plate.
8. fixed ammonia destilling tower according to claim 1 is characterized in that: be connected with nut two by bolt two between described tower circle two (4), the tower circle three (8).
9. fixed ammonia destilling tower according to claim 1 is characterized in that: be equipped with on described tower circle two (4), the tower circle three (8) and renovate manhole (7).
10. fixed ammonia destilling tower according to claim 1 is characterized in that: the upper ends in the described tower circle two (4) are provided with the supporting concave station of sieve plate (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201320020933 CN203043581U (en) | 2013-01-16 | 2013-01-16 | Fixed ammonia distillation column |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201320020933 CN203043581U (en) | 2013-01-16 | 2013-01-16 | Fixed ammonia distillation column |
Publications (1)
Publication Number | Publication Date |
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CN203043581U true CN203043581U (en) | 2013-07-10 |
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ID=48726582
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Application Number | Title | Priority Date | Filing Date |
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CN 201320020933 Expired - Lifetime CN203043581U (en) | 2013-01-16 | 2013-01-16 | Fixed ammonia distillation column |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103693701A (en) * | 2013-12-30 | 2014-04-02 | 唐山三友化工股份有限公司 | Ammonia distillation device and technology by mother liquor and total ash powder with alkaline method |
-
2013
- 2013-01-16 CN CN 201320020933 patent/CN203043581U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103693701A (en) * | 2013-12-30 | 2014-04-02 | 唐山三友化工股份有限公司 | Ammonia distillation device and technology by mother liquor and total ash powder with alkaline method |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20130710 |
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CX01 | Expiry of patent term |