CN2910930Y

CN2910930Y - Reactor for coal liquification to synthesize fuel oil

Info

Publication number: CN2910930Y
Application number: CN 200620024844
Authority: CN
Inventors: 彭英利
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-30
Filing date: 2006-06-30
Publication date: 2007-06-13
Anticipated expiration: 2016-06-30

Abstract

A reactor for coal liquefaction synthetic oil belongs to the field of the coal liquefaction equipment using for eliminating the fussy production process and the high consumption of the energy of the present single type reactor which comprises a reaction tank body, a fixed bed heat exchanger, a pulp bed heat exchanger and an air blowing device. In the improved device a diaphragm in the tank body separates it into a pulp bed ventricular, a hydrogenation ventricular and a fixed bed ventricular. The blowing device and the pulp bed heat exchanger are arranged on the bottom and the top of the pulp bed ventricular respectively and the fixed bed heat exchanger is arranged in the fixed bed ventricular. The diaphragm has holes and the inlet port and the outlet port are arranged on each ventricular wall. By applying the utility model can change the former fussy production process of plural tank reacting respectively into continuous production of one tank with multiple grade combined reaction, which realizes organic combination of the catalytic synthesis of elementary oil, hydrocrack, catalytic refinement and other processes and the simplifies the production technological process and improves the efficiency of the reaction. And the utility model is fit for using as the reaction container of the indirect liquefaction to produce the synthetic oil.

Description

Gelatin liquefaction synthetic oil reactor

Technical field

The utility model relates to the reacting appliance that indirect coal liquefaction is produced synthetic oil, belongs to gelatin liquefaction equipment technology field.

Background technology

The olefiant reaction unit of the indirect chemical combination of coal there are fixed-bed reactor, fluidized-bed reactor and paste state bed reactor.Fixed bed and fluidized-bed reactor are mainly used in the production gasoline fraction, and paste state bed reactor is mainly used in produces kerosene and fraction of diesel oil, and the three belongs to the independent single type reacting appliance that is suitable for certain fraction in the preliminary synthesis technique device of the thick oil of hydro carbons.The single type fixed-bed reactor select harsh to unstripped gas and more catalyst changeout is comparatively difficult, and the single type paste state bed reactor can directly use low H ₂The synthetic gas of/CO does not need through outside hydrosphere transformation process, has drawback but separate with cured slurry at catalyst deposit.The thick oily synthetic gas that above-mentioned reactor reaction is produced also to lead to hydrocracking and use that catalyzer is reformed, conversion, isomerization precision work handle, and just can obtain the standard synthetic oil.As seen the reacting appliance of single type makes the olefiant production process flow process of the indirect chemical combination of coal be tending towards loaded down with trivial details, production cycle is long, the energy consumption height, and production cost is corresponding higher, for this reason, should study to provide and to simplify technical process, reduce power consumption and the wide combined reacting appliance of suitability.

Summary of the invention

Technical problem to be solved in the utility model provides the box-like gelatin liquefaction synthetic oil of a kind of multi-cascade reactor, and is loaded down with trivial details to abandon the Production Flow Chart of single type reactor, the use defective that energy consumption is high.。

The alleged problem of the utility model realizes with following technical scheme:

A kind of gelatin liquefaction synthetic oil reactor, tank body 1, fixed bed interchanger 3, slurry attitude bed interchanger 14, air-blowing device 5 respond in the formation, its unique distinction is, transverse wall 15,16 is set in the tank body 1 at interval, tank body is separated into slurry status bed chamber 4, hydrogenation chamber 10, fixed bed chamber 9 from the bottom to top, air-blowing device 5, slurry attitude bed interchanger 14 are placed in the bottom and the top of slurry status bed chamber 4 respectively, fixed bed interchanger 3 is placed in the fixed bed chamber 9, be distributed with small opening 17 on the transverse wall 15,16, be respectively equipped with the medium import and export on the locular wall of each chamber.

Above-mentioned gelatin liquefaction synthetic oil reactor, described air-blowing device 5 is a coil shape, aperture spaced apart on the coil pipe.

Former a plurality of jars of loaded down with trivial details Production Flow Charts of reacting separately can be become the continuous production flow process that one jar of multi-stage combination reacts after adopting the utility model, realized that raw oil catalysis is synthetic, the combination of the different operations of hydrocracking and catalytic refining, simplified the technological process of production greatly, improved reaction efficiency greatly, reaction compartment and conversion unit have been saved, strengthened the catalytic treatment ability, can select the finished product preferably, the suitable reacting appliance of producing in the synthetic oil production as indirect coal liquefaction uses.

Description of drawings

Fig. 1 is the utility model structural representation.

The component label is respectively in the accompanying drawing: 1-reacting tank body, the outlet of 2-solid catalyst, 3-fixed bed interchanger, 4-slurry status bed chamber, 5-air-blowing device, the outlet of 6-slurries, 7-product outlet, 8-catalyst inlet, 9-fixed bed chamber, 10-hydrogenation chamber, 11-hydrogen inlet, 12-slurry inlet, 13-inlet mouth, 14-slurry attitude bed interchanger, 15.16-transverse wall, 17-small opening.

Embodiment

Consult Fig. 1.Reacting tank body 1 is the cartridge type retort, and fixed bed interchanger 3 all adopts conventional tubular heat exchanger with slurry attitude bed interchanger 14, and the thermal source turnover of two-pipe interchanger, mouth extend to outside the jar by tank skin, are connected with hot system.The transverse wall 15,16 that is provided with at interval in the tank body is separated into slurry status bed chamber 4, hydrogenation chamber 10 and fixed bed chamber 9 from the bottom to top with tank body 1, slurry inlet 12, outlet 6 lay respectively on slurry status bed chamber's 4 upper and lower locular walls, hydrogen inlet 11 is positioned on the locular wall of hydrogenation chamber 10, catalyst inlet 8 and 2 locular wall upper and lowers that lay respectively at fixed bed chamber 9 of solid catalyst outlet, product outlet 7 is positioned at the top, chamber of fixed bed chamber 9.

Still consult Fig. 1.Air-blowing device 5 in the utility model adopts coil arrangement, and air-blowing aperture spaced apart on the coil pipe because the hole is less, does not show among the figure.The inlet mouth 13 of coil tube type air-blowing device is extended to outside the jar by tank skin, the air-blowing microstome down, a large amount of gas can evenly spread from bottom to top, can prevent the sedimentation of granules of catalyst.

Still consult Fig. 1.Working process of the present utility model is: coal based synthetic gas is entered in the slurry status bed chamber 4 by slurry inlet 12, realize slurry bed bubbling through air-blowing device 5, with change into a kind of rough hydrocarbon gas after the pulp catalyzer fully contacts and upwards enter hydrogenation chamber 10 by the small opening on the transverse wall 15 17, in hydrogenation chamber 10 with after a certain proportion of hydrogen mixes, cracking under certain pressure and temperature, cracked gas enters fixed bed chamber 4 by the small opening on the transverse wall 16 17, contact with the catalyzer in the fixed bed 4, temperature raises under same pressure, realize refining the reformation and the isomerization conversion, finally obtain required refining hydrocarbon gas (as diesel oil, gasoline, petroleum naphtha, kerosene and wax etc.) and be delivered to next synthetic oil production process.

The temperature of reaction of slurry attitude bed is 200～280 ℃, and pressure is 2～4MPa, and the temperature of reaction of hydrogenation is 250～300 ℃, and pressure is 2～4MPa, and the temperature of reaction of fixed bed is 300～500 ℃, and pressure is 2～4MPa.The temperature of reaction of slurry attitude bed and fixed bed can be passed through the heat exchange of fixed bed interchanger 3, slurry attitude bed interchanger 14 and regulate control, catalyzer in the fixed bed can be pressed into the hydrogen hybrid mode, the catalyzer that lost efficacy can export 2 dischargings by solid catalyst and change, but whole process on-line operation.

Claims

1. gelatin liquefaction synthetic oil reactor, tank body [1] responds in the formation, fixed bed interchanger [3], slurry attitude bed interchanger [14], air-blowing device [5], it is characterized in that, transverse wall [15] is set in the tank body [1] at interval, [16], tank body is separated into slurry status bed chamber [4] from the bottom to top, hydrogenation chamber [10], fixed bed chamber [9], air-blowing device [5], slurry attitude bed interchanger [14] is placed in the bottom and the top of slurry status bed chamber [4] respectively, fixed bed interchanger [3] is placed in the fixed bed chamber [9], transverse wall [15], [16] be distributed with small opening [17] on, be respectively equipped with medium on the locular wall of each chamber and advance, outlet.

2. gelatin liquefaction synthetic oil reactor according to claim 1 is characterized in that described air-blowing device [5] is a coil shape, air-blowing aperture spaced apart on the coil pipe.