US1842263A - Low temperature treatment of gases - Google Patents
Low temperature treatment of gases Download PDFInfo
- Publication number
- US1842263A US1842263A US435587A US43558730A US1842263A US 1842263 A US1842263 A US 1842263A US 435587 A US435587 A US 435587A US 43558730 A US43558730 A US 43558730A US 1842263 A US1842263 A US 1842263A
- Authority
- US
- United States
- Prior art keywords
- gas
- gases
- exchanger
- low temperature
- temperature treatment
- Prior art date
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
- B01D7/02—Crystallisation directly from the vapour phase
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
Definitions
- the present invention relates to, and has for its object to provide, improvements in the processes of defrosting heat exchangers used in apparatus for the liquefaction or sep- 1 aration of gases by cold, in particular in apparatus for the manufacture of a gas rich in hydrogen by the liquefaction of the other constituents which are mixed therewith in gas treated, and which produce at the endof a certain time, troublesome obstructions.
- This is the operation called defrosting the exchanger, in which the same proceeding may be adopted as for the heat exchangers of certain apparatus for the manufacture of oxygen and nitrogen by the liquefaction of air, where the solid deposit consists of ice; these apparatus are provided with two exchangers which are put into service alternately.
- the compressed air is first cooled to the surrounding temperature, or to a temperature slightly higher, in the exchanger to be defrosted, where it circulates in order to heat it, passing thence into the exchanger under normal operation, which aloneis traversed in counter current to the airby the separated and cold gases and in which is produced the usual exchange of heat.
- a suitable arrangement of cocks and tubes permit placing alternately one or the other of the two exchangers in the position of defrosting or of working.
- Band C are two heat exchangers, one of which is usedfor the cooling of. the incoming coke oven gas while the other is being defrosted.
- K and K are sets of tubes through which the separated gases are flowing.
- A is the tube through which the coke oven gas enters and D the tube for the exit of the cooled coke oven gas.
- E and F are cocks.
- I, G and H are tubes through which the different separated gases enter the heat exchanger.
- H, I and G are tubes for the exit of the separated gases which leave the heat exchangers.
- L, L, M, N, N, X and X- are cocks.
- P and P are tubes pro vided with cocks for the discharge in the liquid state of the impurities that. were deposited in solid state in the heat exchangers.
- Z is a heater for a part of the separated gases.
- the compressed coke furnace gas enters through A and may pass through the cocks E- and F either into the left-hand heat exchanger B, or into the right-hand heat'ex changer C; it passes out at the top to flow through the tube D to another exchanger working at a lower temperature.
- the separated gases are here supposed to be three in number, that is to say 1st.
- cocks M for the'second as, X and X for the third gas, and finally or L for the first gas permit the necessary manipulation to be effected.
- Each of these gases can be used for any purpose whatever, for example, in synthetic or other reactions. In particular the gas rich.
- the gas rich in hydrogen enters at H into a art of the set of tubes K of the exchanger leaving at H after passing through the cock M, which closes the passage of this same gas through the exchanger B.
- the gas rich in'carbon monoxide or in nitrogen, entering at 1 passes through a part of the tubes K and leaves at I, flowing through the cock X, the cock X being closed.
- the gas rich'in methane entering at G passes through the cock L, and is directed into the exchanger G, where it flows through a part of the tubes of the bundle K; a.
- this gas is caused to leave through the cock N, while the balance passes throu h the heater Z where it is heated for example hy a'sup'ply of steam outside the tubes of Z.
- This portion of gas so heated then passes to the heat exchanger B, where it circulates in the art 'of the, set of tubes K which is traversed ythe gas-rich in methane when this exchanger B is working normally.
- This hot gas part thus defrosts the exchanger 'B and leaves it through G, after having passed through the cock L the lower cock N is of course closed.
- cocks are manipulated so as to cause the coke V furnace gas to pass into the exchanger B, as
- One advantage of this arrangement is to permit the recuperation alternately by the exchangers B and C of the whole of the benzol contained in the coke furnace gas, by changing the exchanger as soon as the quantity of solidified benzol accumulated in the exchanger causea pre-determined loss of pressure, for example, of one atmosphere. It then becomes possible to suppress the heavy oil towers now used to debenzolate coke furnace gas, and even the debenzolation effected in the coking works on the non-compressed gas leaving the furnaces.
- a process for the low temperature treatment of gases containing low volatile substances that solidify by cooling which comprises circulating the gases resulting from the low temperature treatment in indirect contact with and counter current to the treated gas alternately in two regions spacially remote one from the other, whereby said easily solidifiable substances deposit along the path of'the treated gas, the gases resulting from the low temperature treatment which have been cir culated in one region being further circulated along those same paths of the other region,
- a rocess for the low temperature treatment 0 gases containing low volatile substances that solidify by cooling, which comprises circulating the gases mesulting from the low temperature treatment in indirect contact with and counter current to the treated gas alternately in two regions spacially remote one from the other, whereby said easily solidifiable substances deposit along the path of the treated gas, a part of the gases resulting from the low temperature treatment which have been circulated in one region being further circulated alongthose same, paths of the other region, along vzhich the corresponding gases are circulated when the indirect contact is -efiected in said region, so as to melt the su'bstances which previously deposited in solid state along the path of the treated gas.
- a rocess for the low temperature treatment 0 gases containing low volatile sub stances that solidify bycoolin which comrises circulating the gases re ting from the ow. temperature treatment in indirect contact with and counter current to the treated gas alternately in two regions spacially remote one from the other, whereby said easily solidifiable substances depositalon the path of the treated gas, the gases re ting from the low temperature treatment which have beencirculated in one region being further heated and circulated along those same paths of the other region, along which they are circulated when the indirect contact is efiected in said 26 region, so as to melt the substances which pre- I viously deposited in solid state along the path. of thetreatedgas.
- a rocessior the low temperature treatment 0 gases containing low volatile sub stances that solidify by coolisllilg, which comprises circulating the gases re ting from the ow temperature treatment in indirect contact v with and counter current to the treated gas alternately in two regions spacially remote one from the other, whereby said easll solidifiable substances deposit along the pa of the treated gas, a part of the gases resulting from the low temperature treatment which have been circulated in one region being further heated and circulated along those same paths otthe other region,'along which the corresponding gases are circulated when the indirect contact is efiected in said region, sons to melt the substances which reviously deposited in solidstate along t e path of the treated gas.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation By Low-Temperature Treatments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR547179X | 1929-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1842263A true US1842263A (en) | 1932-01-19 |
Family
ID=8934040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US435587A Expired - Lifetime US1842263A (en) | 1929-03-15 | 1930-03-13 | Low temperature treatment of gases |
Country Status (5)
Country | Link |
---|---|
US (1) | US1842263A (zh) |
DE (1) | DE547179C (zh) |
FR (1) | FR687479A (zh) |
GB (1) | GB350057A (zh) |
NL (1) | NL31194C (zh) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2541409A (en) * | 1943-06-07 | 1951-02-13 | Richard T Cornelius | Gas fractionating apparatus and method |
US2643525A (en) * | 1947-05-15 | 1953-06-30 | Independent Engineering Compan | Absorber for use in treating gases |
US2663167A (en) * | 1951-09-21 | 1953-12-22 | Joy Mfg Co | Gas separation apparatus and method |
US2900798A (en) * | 1953-04-22 | 1959-08-25 | Philips Corp | Heat-exchanger in which a multi-component medium is cooled |
US2958203A (en) * | 1958-02-01 | 1960-11-01 | Sulzer Ag | Gas purification method |
US2960836A (en) * | 1954-10-01 | 1960-11-22 | Stamicarbon | Process and apparatus for purifying gases |
US2999365A (en) * | 1954-07-24 | 1961-09-12 | Philips Corp | Method of separating gaseous impurities from a gaseous mixture |
US3097940A (en) * | 1961-03-01 | 1963-07-16 | Union Carbide Corp | Process for purifying gases |
US3381486A (en) * | 1965-09-29 | 1968-05-07 | Frick Co | Method and apparatus employing two stage refrigerant for solidifying a gaseous component |
US3421333A (en) * | 1964-08-28 | 1969-01-14 | Linde Ag | Thawing technique for a single air separation plant |
US3490245A (en) * | 1966-12-20 | 1970-01-20 | Texaco Inc | Self-cleaning regenerators for cryogenic systems |
US4252772A (en) * | 1978-09-15 | 1981-02-24 | Way Peter F | Apparatus for the recovery of vaporized phthalic anhydride from gas streams |
US4391617A (en) * | 1978-09-15 | 1983-07-05 | Way Peter F | Process for the recovery of vaporized sublimates from gas streams |
US4414007A (en) * | 1981-08-31 | 1983-11-08 | United States Steel Corporation | Process for separation of gas mixture |
US6051053A (en) * | 1996-12-16 | 2000-04-18 | Ebara Corporation | Trapping device and method of operation therefor |
US20040244588A1 (en) * | 2003-06-09 | 2004-12-09 | Richard Sauer | Method and apparatus for removing waxy materials from a gas stream |
US20120234039A1 (en) * | 2005-03-29 | 2012-09-20 | Hilliard Jr Henry T | Method for maximizing availability of heat exchangers for removal of volatile vapors from a storage vessel |
CN104560249A (zh) * | 2015-01-12 | 2015-04-29 | 中海石油气电集团有限责任公司 | 一种利用焦炉尾气和生物沼气耦合制取合成天然气的方法 |
-
0
- NL NL31194D patent/NL31194C/xx active
-
1929
- 1929-03-15 FR FR687479D patent/FR687479A/fr not_active Expired
- 1929-10-15 DE DEA59331D patent/DE547179C/de not_active Expired
-
1930
- 1930-03-13 US US435587A patent/US1842263A/en not_active Expired - Lifetime
- 1930-03-14 GB GB8318/30A patent/GB350057A/en not_active Expired
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2541409A (en) * | 1943-06-07 | 1951-02-13 | Richard T Cornelius | Gas fractionating apparatus and method |
US2643525A (en) * | 1947-05-15 | 1953-06-30 | Independent Engineering Compan | Absorber for use in treating gases |
US2663167A (en) * | 1951-09-21 | 1953-12-22 | Joy Mfg Co | Gas separation apparatus and method |
US2900798A (en) * | 1953-04-22 | 1959-08-25 | Philips Corp | Heat-exchanger in which a multi-component medium is cooled |
US2999365A (en) * | 1954-07-24 | 1961-09-12 | Philips Corp | Method of separating gaseous impurities from a gaseous mixture |
US2960836A (en) * | 1954-10-01 | 1960-11-22 | Stamicarbon | Process and apparatus for purifying gases |
US3036439A (en) * | 1954-10-01 | 1962-05-29 | Stamicarbon | Purification of a gas by removing one or more admixed impurities from it by condensing the impurity or impurities to the solid state |
US2958203A (en) * | 1958-02-01 | 1960-11-01 | Sulzer Ag | Gas purification method |
US3097940A (en) * | 1961-03-01 | 1963-07-16 | Union Carbide Corp | Process for purifying gases |
US3421333A (en) * | 1964-08-28 | 1969-01-14 | Linde Ag | Thawing technique for a single air separation plant |
US3381486A (en) * | 1965-09-29 | 1968-05-07 | Frick Co | Method and apparatus employing two stage refrigerant for solidifying a gaseous component |
US3490245A (en) * | 1966-12-20 | 1970-01-20 | Texaco Inc | Self-cleaning regenerators for cryogenic systems |
US4252772A (en) * | 1978-09-15 | 1981-02-24 | Way Peter F | Apparatus for the recovery of vaporized phthalic anhydride from gas streams |
US4391617A (en) * | 1978-09-15 | 1983-07-05 | Way Peter F | Process for the recovery of vaporized sublimates from gas streams |
US4414007A (en) * | 1981-08-31 | 1983-11-08 | United States Steel Corporation | Process for separation of gas mixture |
US6051053A (en) * | 1996-12-16 | 2000-04-18 | Ebara Corporation | Trapping device and method of operation therefor |
US20040244588A1 (en) * | 2003-06-09 | 2004-12-09 | Richard Sauer | Method and apparatus for removing waxy materials from a gas stream |
US7048777B2 (en) * | 2003-06-09 | 2006-05-23 | Air Liquide America, L.P. | Method and apparatus for removing waxy materials from a gas stream |
US20120234039A1 (en) * | 2005-03-29 | 2012-09-20 | Hilliard Jr Henry T | Method for maximizing availability of heat exchangers for removal of volatile vapors from a storage vessel |
CN104560249A (zh) * | 2015-01-12 | 2015-04-29 | 中海石油气电集团有限责任公司 | 一种利用焦炉尾气和生物沼气耦合制取合成天然气的方法 |
Also Published As
Publication number | Publication date |
---|---|
NL31194C (zh) | |
GB350057A (en) | 1931-06-11 |
FR687479A (fr) | 1930-08-08 |
DE547179C (de) | 1932-03-21 |
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