CN103771453B - The internal washing method of ammonia still - Google Patents
The internal washing method of ammonia still Download PDFInfo
- Publication number
- CN103771453B CN103771453B CN201310685497.0A CN201310685497A CN103771453B CN 103771453 B CN103771453 B CN 103771453B CN 201310685497 A CN201310685497 A CN 201310685497A CN 103771453 B CN103771453 B CN 103771453B
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- CN
- China
- Prior art keywords
- boring
- head body
- nozzle
- center line
- ammonia still
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005406 washing Methods 0.000 title claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000010079 rubber tapping Methods 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- 238000004821 distillation Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 208000008918 voyeurism Diseases 0.000 description 1
Landscapes
- Nozzles (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a kind of internal washing method of ammonia still, first boring is respectively equipped with in tower body center line arranged on left and right sides, the interlaced arrangement of boring of arranged on left and right sides, the center line of boring and tower body centreline spacing 45 centimetres, spacing 40 centimetres between adjacent boring, staggered boring, bore diameter is 2 centimetres; Put in tower body with shower nozzle again, use high pressure water cleaning tower body, water flow pressure is 2-60Mpa; After having cleaned, adopt tap tapping, add plug sealing, due to this cleaning method, adopt and do not destroy equipment original structure, save recondition expense, improve the method for overhaul efficiency, make every effort to cleaning in tower thoroughly, make ammonia still equipment recover as early as possible to use, and can manufacturing technique requirent be met; And by shower nozzle, column plate is cleaned, solid incrustation is broken up, becomes the particle that volume is very little, do not need to clean after ammonia still dismounting again, therefore, use more convenient.
Description
Technical field
The present invention relates to a kind of cleaning method, particularly a kind of internal washing method of ammonia still, belong to the industry-specific construction equipment technical field of metallurgical coking.
Background technology
In coking industry, generally adopt casting tower at present---ammonia still, process ammoniacal liquor, distillation ammonia.My company adopts highly about 20 meters, heavily about 70 tons of column sealed tower bodies, and inner 32 layers of column plate, every layer of column plate has 59 place's bubble-cap heads.Its technological principle passes in the middle part of tower with high-temperature steam, bubble-cap through every layer of column plate spreads to tower top, simultaneously, the ammoniacal liquor entered in tower from tower top trickles downwards from the drain gully column plate through every layer of column plate, when high-temperature steam and ammoniacal liquor meet at column plate place, distillation forms ammonia, is sent to ammonia destruction furnace combustion decomposition from tower top through cooling, ammoniacal liquor after ammonia still process becomes distilled ammonia wastewater and is extracted out by pump, is sent to the process of follow-up workshop section.When ammoniacal liquor is through column plate, the solid waste mixed by tar, Jiao Li etc. can be retained on column plate, through using for many years, on column plate, incrustation gets more and more, and blocks the steam (vapor) outlet of bubble-cap gradually, causes ammonia distillation amount significantly to reduce, ammoniacal liquor flow is unstable, the pumping unit fault rate of process distilled ammonia wastewater raises, and ammonia still column plate is badly in need of cleaning, to improve ammonia still process efficiency.
Summary of the invention
For above-mentioned technical problem, the object of the present invention is to provide a kind of ammonia still internal washing method, place's incrustation such as ammonia still column plate, bubble-cap, inwall are thoroughly removed, do not remove existing equipment on the one hand, do not change device structure, saving equipment removes dress expense and standby redundancy expense, shortens the repair time on the other hand, ensures that ammonia still comes into operation within the shortest time.
The technical solution used in the present invention is:
The internal washing method of ammonia still, comprises the steps:
A, be respectively equipped with boring in tower body center line arranged on left and right sides, the interlaced arrangement of boring of arranged on left and right sides, the center line of boring and tower body centreline spacing 45 centimetres, spacing 40 centimetres between adjacent boring, staggered boring, bore diameter is 2 centimetres;
B, cleaning, put in tower body with shower nozzle, uses high pressure water cleaning tower body, and water flow pressure is 2-60MPa;
C, sealing, after having cleaned, adopt tap tapping, adds plug sealing.
The internal washing method of above-mentioned ammonia still, wherein, shower nozzle comprises head body, described head body is cylinder, is provided with through hole vertically in described head body, and one end of described head body is provided with spray orifice vertically, the other end is connected with spray gun, and described spray gun communicates with described through hole; The outer wall both sides of described head body are respectively equipped with nozzle assembly, and the nozzle assembly of described head body both sides is symmetrical.
The internal washing method of above-mentioned ammonia still, wherein, described nozzle assembly comprises the first jet, the second nozzle that are arranged on described head body outer wall, nozzle diameter 0.3mm, first, second nozzle described is distribution in " eight " font, and be provided with angle α between the center line of described first jet and the center line of second nozzle, described angle α is 150 °, be provided with angle β between the center line of described first jet and described head body axis, described angle β is 15 °; Be provided with angle γ between the center line of described second nozzle and described head body axis, described angle γ is 165 °.
Beneficial effect of the present invention:
Due to this cleaning method, adopt and do not destroy equipment original structure, save recondition expense, improve the method for overhaul efficiency, make every effort to cleaning in tower and thoroughly, make ammonia still equipment recover as early as possible to use, and can manufacturing technique requirent be met; And by shower nozzle, column plate is cleaned, solid incrustation is broken up, becomes the particle that volume is very little, do not need to clean after ammonia still dismounting again, therefore, use more convenient; In addition, because described nozzle assembly comprises first jet, the second nozzle be arranged on described head body outer wall, first, second nozzle described is distribution in " eight " font, and be provided with angle β between the center line of described first jet and described head body axis, described angle β is 15 °; Be provided with angle γ between the center line of described second nozzle and described head body axis, described angle γ is 165 °, and the every nook and cranny in ammonia still can be made all capable of washing, avoids producing dead angle therefore, cleans more thorough; Moreover the inner peripheral surface of the one end be connected with spray gun due to described head body is provided with screw thread, shower nozzle can be made to be connected with spray gun more firm, keep stable water pressure.
Accompanying drawing explanation
Fig. 1 is the structural representation of ammonia still in the present invention.
Fig. 2 is the structural representation of shower nozzle of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing the present invention made and further illustrating.
The internal washing method of boring ammonia still, comprises the steps:
A, be respectively equipped with boring 11 in tower body 10 center line arranged on left and right sides, the interlaced arrangement of boring 11 of arranged on left and right sides, the center line of boring 11 and tower body 10 centreline spacing 45 centimetres, spacing 40 centimetres between adjacent boring 11,11 diameters of holing are 2 centimetres; Holing 11 positions must between two-layer column plate 12 and as far as possible near column plate 12, to clean current taking away incrustation on column plate 12.Boring 11 location is extremely important, first determines tower body and column plate center, ensures that cleaning current flow out from column plate drain gully.For guaranteeing cleaning performance, every layer of column plate holes two, and relative spacing should be maximum gauge on the same periphery of tower body, namely at tower body positive and negative with tower body center line symmetric borehole.Boring about 60 altogether.
B, cleaning, put in tower body with shower nozzle, uses high pressure water cleaning tower body, and water flow pressure is 2-60MPa; Hole complete, shower nozzle is put in tower, with in high pressure water cleaning tower.This shower nozzle has 4, multiple angles nozzle, can spray pressure 2---60MPa current, comprehensive cleaning column plate, bubble-cap etc.Inside, two holes is cleaned in turn, every only about 2 hours.Clean complete, can put in tower and check cleaning performance with interior camera of peeping.
C, sealing, after having cleaned, adopt tap tapping, adds plug sealing.After cleaning performance is satisfied, must holes to tower body and seal.Adopt tap tapping, add plug sealing, and do preservative treatment, with anti-leak.Shower nozzle comprises head body 1, and described head body 1 is cylinder, is provided with through hole 2 vertically in described head body 1, and one end of described head body 1 is provided with spray orifice 3 vertically, and the other end is connected with spray gun, and described spray gun communicates with described through hole 2; Spray orifice 3 is the aperture of 0.3mm, and water flow energy keeps high pressure to spray from aperture, and the outer wall both sides of described head body 1 are respectively equipped with nozzle assembly 5, and the nozzle assembly 5 of described head body 1 both sides is symmetrical.The inner peripheral surface of described through hole 2 is provided with step, owing to being provided with step in described through hole 2, shower nozzle can being made to be connected with spray gun more firm, keep stable water pressure.Described nozzle assembly 5 comprises the first jet 51, the second nozzle 52 that are arranged on described head body 1 outer wall, nozzle diameter 0.3mm, first, second nozzle 51,52 described distribution in " eight " font, angle α is provided with between the center line of described first jet 51 and the center line of second nozzle 52, described angle α is 150 °, be provided with angle β between the center line of described first jet 51 and described head body 1 axis, described angle β is 15 °; Be provided with angle γ between the center line of described second nozzle 52 and described head body 1 axis, described angle γ is 165 °, and the every nook and cranny in ammonia still can be made all capable of washing, avoids producing dead angle therefore, cleans more thorough.More firm in order to connect, the inner peripheral surface of the one end that can be connected with spray gun in head body 1 is provided with screw thread.Head body 1 adopts steel alloy Cr67 material to make, and external diameter is 16mm, and long is about 6cm, and the diameter of through hole 2 is 14mm.Spray orifice 3 can bear the operating pressure of 2MPa-25MPa.During cleaning, the barral of a gun of left rotation and right rotation spray gun, utilizes nozzle to spray the High-Pressure Water of multiply different angles, multi-faceted flushing incrustation, and make it loosen and break, volume reduces, and finally becomes graininess, just can discharge with current.
The description of above embodiment is comparatively concrete, detailed; but therefore can not be interpreted as the restriction to this patent scope; it should be noted that; for the person of ordinary skill of the art; without departing from the inventive concept of the premise; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (3)
1. the internal washing method of ammonia still, is characterized in that, comprise the steps:
A, be respectively equipped with boring in tower body center line arranged on left and right sides, the interlaced arrangement of boring of arranged on left and right sides, the center line of boring and tower body centreline spacing 45 centimetres, spacing 40 centimetres between adjacent boring, staggered boring, bore diameter is 2 centimetres;
B, cleaning, put in tower body with shower nozzle, uses high pressure water cleaning tower body, and water flow pressure is 2-60MPa;
C, sealing, after having cleaned, adopt tap tapping, adds plug sealing.
2. the internal washing method of ammonia still as claimed in claim 1, it is characterized in that, shower nozzle comprises head body, described head body is cylinder, through hole is provided with vertically in described head body, one end of described head body is provided with spray orifice vertically, and the other end is connected with spray gun, and described spray gun communicates with described through hole; The outer wall both sides of described head body are respectively equipped with nozzle assembly, and the nozzle assembly of described head body both sides is symmetrical.
3. the internal washing method of ammonia still as claimed in claim 2, it is characterized in that, described nozzle assembly comprises the first jet, the second nozzle that are arranged on described head body outer wall, nozzle diameter 0.3mm, first, second nozzle described is distribution in " eight " font, angle α is provided with between the center line of described first jet and the center line of second nozzle, described angle α is 150 °, be provided with angle β between the center line of described first jet and described head body axis, described angle β is 15 °; Be provided with angle γ between the center line of described second nozzle and described head body axis, described angle γ is 165 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685497.0A CN103771453B (en) | 2013-12-16 | 2013-12-16 | The internal washing method of ammonia still |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685497.0A CN103771453B (en) | 2013-12-16 | 2013-12-16 | The internal washing method of ammonia still |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103771453A CN103771453A (en) | 2014-05-07 |
| CN103771453B true CN103771453B (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310685497.0A Expired - Fee Related CN103771453B (en) | 2013-12-16 | 2013-12-16 | The internal washing method of ammonia still |
Country Status (1)
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356013A (en) * | 2018-02-08 | 2018-08-03 | 瓮福达州化工有限责任公司 | A kind of cleaning plant and method for cleaning of plate ring tower |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314062Y (en) * | 2008-10-13 | 2009-09-23 | 唐锦贤 | Water tower with inner wall cleaning device |
| FR2975312A1 (en) * | 2011-05-19 | 2012-11-23 | Bernard Poulet | Cleaning, descaling and disinfecting method for e.g. wine barrel, involves completing cleaning of barrel by germicidal ultrasonic or UV-C rays, and performing rinsing and draining, sulfur dioxide blanketing and watertight closing of barrel |
| CN202683038U (en) * | 2012-07-18 | 2013-01-23 | 山东润银生物化工股份有限公司 | Ammonia washing tower with spray nozzle spraying in form of fog |
-
2013
- 2013-12-16 CN CN201310685497.0A patent/CN103771453B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314062Y (en) * | 2008-10-13 | 2009-09-23 | 唐锦贤 | Water tower with inner wall cleaning device |
| FR2975312A1 (en) * | 2011-05-19 | 2012-11-23 | Bernard Poulet | Cleaning, descaling and disinfecting method for e.g. wine barrel, involves completing cleaning of barrel by germicidal ultrasonic or UV-C rays, and performing rinsing and draining, sulfur dioxide blanketing and watertight closing of barrel |
| CN202683038U (en) * | 2012-07-18 | 2013-01-23 | 山东润银生物化工股份有限公司 | Ammonia washing tower with spray nozzle spraying in form of fog |
Non-Patent Citations (3)
| Title |
|---|
| 化工装置清洗技术现状和展望;陆震维等;《化工进展》;19921231(第4期);第18页,第25-30页 * |
| 管道机械清洗;李如福;《化学清洗》;19890131(第1期);第17-19页 * |
| 高压水射流清洗技术在纯碱工业中的应用;邵文航;《纯碱工业》;20041231(第3期);第39-40页 * |
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| Publication number | Publication date |
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| CN103771453A (en) | 2014-05-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 212211 Dantu Economic Development Zone, Zhenjiang, Jiangsu Patentee after: SINOCHEM ZHENJIANG COKING CO., LTD. Address before: 212114 Gao Zhen, Dantu Economic Development Zone, Zhenjiang, Jiangsu Patentee before: Sinochem Zhenjiang Coking Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20181216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |