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公开(公告)号：DE3105030A1
公开(公告)日：1982-09-02
申请号：DE3105030
申请日：1981-02-12
Applicant: BASF AG
Inventor： KUERTEN HERIBERT DIPL ING DR , PUESTEL HUBERT , SCHULZ RUDI ING GRAD , WEBER GEORG DIPL ING
Abstract: A process for the continuous preparation of hydrocarbon oils from coal by cracking hydrogenation under pressure in two stages. In the first stage (carried out in the bottom phase) milled coal, together with finely divided catalysts, is pasted with an oil mixture, and the slurry is hydrogenated by heating to 380 DEG -440 DEG C. under a hydrogen pressure of from 200 to 700 bar. The gaseous and liquid reaction products are separated from the solid products and subjected to a further hydrogenation (this time in the gas phase), using a fixed hydrogenation catalyst. The heat of the hydrogenated product is indirectly and separately transferred to the coal/oil mixture and the hydrogen by heat exchange in not less than three stages.
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公开(公告)号：DE3310269A1
公开(公告)日：1983-09-29
申请号：DE3310269
申请日：1983-03-22
Applicant: BASF AG
Inventor： WEBER GEORG DIPL ING , PUESTEL HUBERT , SCHULZ RUDI , KUERTEN HERIBERT DIPL ING DR
Abstract: Mechanical separating apparatus for use in hydrogenation plants for coal and heavy oil at pressures of 150 to 700 bar and temperatures of 350 to 500 DEG C with a shell-side inlet connection (6) for the hydrogenated product which comes, for example, from a liquid-phase reactor, having another shell-side connection (9) for the addition of circulating gas, an outlet connection (12) arranged in the lower part of the separating apparatus for the liquid/solid phase, and an outlet connection (11) arranged on top for the gaseous phase, having the following features: a) The pressure vessel (1) is made of low-alloy steel (2.25% Cr, 1% Mo) with a wall thickness of between 100 and 400 mm and an outside diameter of between 1200 and 3000 mm. b) The pressure vessel (1) is surrounded by a concentric cylinder (13) of unalloyed steel having a wall thickness of between 10 and 20 mm, the distance between the pressure vessel (1) and the concentric cylinder (13) being between 40 and 150 mm. c) The hydrogenated product, which enters into the inside of the pressure vessel (1) via the inlet connection (6) is deflected tangentially downward by baffles (7, 8). d) The pressure vessel (1) is closed in its lower part by a cone (4) which passes into the outlet connection (12) for the liquid/solid phase. In the upper part the pressure vessel (1) is closed by a spherical plate (2) and a flat cover (3).
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Patent Agency Ranking
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公开(公告)号：DE3044902A1
公开(公告)日：1982-07-08
申请号：DE3044902
申请日：1980-11-28
Applicant: BASF AG
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公开(公告)号：DE3140420A1
公开(公告)日：1983-04-21
申请号：DE3140420
申请日：1981-10-12
Applicant: BASF AG
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公开(公告)号：DE2629612A1
公开(公告)日：1978-01-12
申请号：DE2629612
申请日：1976-07-01
Applicant: BASF AG
Inventor： WEBER GEORG DIPL ING , PUESTEL HUBERT , LABER WALTER DIPL ING
IPC: F22B1/18
Abstract: The waste heat recuperator can be used in horizontal flue ducts for flue velocities exceeding 25 m/s. The tube headers are made of plane tube plates with welded-on semi circular feed heads. The recuperators are mounted in the flue duct without rigid connections in a free standing manner on the flue duct base. The sealing between the heat exchanger sections on the heat duct base is effected by the weight of the element only with inserted soft sealing material. The tubes of the heat exchanger are expanded in or welded onto square plane tube plates. Sealing of the exchanger elements on the top part of the flue duct is carried out by solid buckling with parallel structure enabling to remove quickly any damaged element and replace it by a new one from stock.
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