CN204417412U - The direct coal liquifaction testing apparatus of a kind of hot melt process - Google Patents
The direct coal liquifaction testing apparatus of a kind of hot melt process Download PDFInfo
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- CN204417412U CN204417412U CN201520088264.7U CN201520088264U CN204417412U CN 204417412 U CN204417412 U CN 204417412U CN 201520088264 U CN201520088264 U CN 201520088264U CN 204417412 U CN204417412 U CN 204417412U
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Abstract
The utility model provides a kind of hot melt process direct coal liquifaction testing apparatus, coal slurry, unstripped gas are transported to after preheating oven is heated to certain temperature by a certain percentage, enter reactor, reacted material bottom in and top out is after cooling, enter high pressure hot separator and cold high pressure separator, the continuous emptying equipment of high pressure, and three phases separator, its light constituent enters atmospheric distillation tower and is separated, still enter vacuum still containing a certain proportion of not coal dust of fully reaction in heavy constituent and carry out fractionation, realize the object of coal liquifaction.Compare with the direct liquefaction of traditional coal, the hydrogen that adds high pressure is not needed in the liquidation of coal stage, temperature of reaction and reaction pressure reduce by 15% and 50% respectively, thus avoid high pressure hydrogen and to reveal and strong exothermal reaction incident " temperature runaway " phenomenon makes pressurized vessel transfinite the potential safety hazard that causes of destruction.
Description
Technical field
The utility model relates to a kind of utilization and conversion system of coal, particularly relates to the direct coal liquifaction testing apparatus of a kind of hot melt process.
Background technology
The national economic development, petroleum resources day is becoming tight, and environmental pollution is day by day serious, solves shortage of fuel oil, this two large problem of environmental pollution, has far-reaching strategic importance and important realistic meaning.Comparatively speaking, coal resources in China is rich, and therefore, gelatin liquefaction technology is the important topic that numerous research department carries out.But this work difficulty is large, invest greatly, have a big risk, researching and developing not only an economy but also the technology of environmental protection, is the challenge of current related scientific research unit.And the current also good coal liquifaction device of non-appearance effect.
Utility model content
Technical problem to be solved in the utility model is to provide the direct coal liquifaction testing apparatus of a kind of hot melt process utilizing brown matchmaker to do raw material production liquid fuel.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: the direct coal liquifaction testing apparatus of a kind of hot melt process, and this device comprises:
One H
2, CO gas inlet pipeline;
One supercharger, is loaded on H
2, CO gas inlet pipeline, for H
2, CO gas boosting;
One coal slurry tank, for store mixed with solvent oil, catalyst by proportion by raw coal powder after the coal slurry made;
One high-pressure coal pulp pump, for extracting the coal slurry in coal slurry tank and the H after supercharging
2, CO gas and vapor permeation;
One preheating oven, for preheating mixed material;
One Reaktionsofen, respond in described Reaktionsofen device; Described reactor bottom opening for feed is connected with preheating oven discharge port through pipeline, makes it fully react for material being continued be heated to temperature of reaction;
One water cooler, described water cooler its top feed mouth is connected with reactor head discharge port through pipeline;
One high pressure hot separator be connected with water cooler discharge port, is cooled to liquid phase for being separated by the light oil generated in gas and reaction process by light constituent;
One cold high pressure separator be connected with high pressure hot separator top discharge mouth, for by light constituent and gas delivery;
One gas processing device be connected with cold high pressure separator top gas discharge port; Pressure control equipment is connected with between described gas processing device and cold high pressure separator;
One three phases separator be connected with light constituent discharge port bottom cold high pressure separator, for being undertaken being separated, discharging by the Oil, Water, Gas body in light constituent;
The one continuous emptying equipment of high pressure be connected with high pressure hot separator bottom discharge mouth, for discharging the coal slurry in liquid in high pressure hot separator;
Once the vacuum still that vacuum distillation tower fresh feed pump and high pressure continuous emptying equipment bottom discharge mouth is connected, carry out fractionation for the coal slurry of being discharged by continuous for high pressure emptying equipment;
Once the atmospheric distillation tower that atmospheric tower fresh feed pump is connected with three phases separator bottom discharge mouth, carry out fractionation for the oil of being discharged by three phases separator.
The beneficial effects of the utility model are: coal dust, unstripped gas (H2, CO), solvent oil, catalyzer are transported to after preheating oven is heated to certain temperature by a certain percentage, enter reactor, reacted material bottom in and top out is after cooling, enter high pressure hot separator and cold high pressure separator, the continuous emptying equipment of high pressure, and three phases separator, its light constituent enters atmospheric distillation tower and is separated, still enter vacuum still containing a certain proportion of not coal dust of fully reaction in heavy constituent and carry out fractionation, realize the object of coal liquifaction.Compare with the direct liquefaction of traditional coal, the hydrogen that adds high pressure is not needed in the liquidation of coal stage, temperature of reaction and reaction pressure reduce by 15% and 50% respectively, thus avoid high pressure hydrogen and to reveal and strong exothermal reaction incident " temperature runaway " phenomenon makes pressurized vessel transfinite the potential safety hazard that causes of destruction.
Further: described high pressure hot separator bottom discharge mouth is provided with the first pneumatic on-off valve; The continuous emptying equipment discharge outlet of described high pressure is provided with the second pneumatic on-off valve.
Further: described gas processing device comprises the absorption tower be connected with cold high pressure separator top discharge mouth, the drying tower be connected with bottom, absorption tower discharge port, the Analytic Tower that is connected with absorption tower upper part discharge port.
Further: described Analytic Tower and H
2, CO gas inlet pipeline be connected.
Further: described pressure control equipment is connected between cold high pressure separator and absorption tower.
Further: also to comprise a vacuum distillation tower vacuum be connected with vacuum still and continuous oil loadout facility.
Further: the utility model also comprises a pressure regulation tube road, realize high-pressure coal slurry continuous blow-down for coordinating with high pressure hot separator, the continuous emptying equipment of high pressure; One end, described pressure regulation tube road is connected between high pressure hot separator and the continuous emptying equipment of high pressure, and the other end is connected between high pressure hot separator and cold high pressure separator; Described pressure regulation tube road is provided with the 3rd pneumatic on-off valve coordinated with the first pneumatic on-off valve; Pressure regulation tube road between 3rd pneumatic on-off valve and the continuous emptying equipment of high pressure is connected with the admission passage for gas being pressed into the continuous emptying equipment of high pressure; Described admission passage is provided with the 4th pneumatic on-off valve.
The beneficial effect of above-mentioned further scheme is: adopt high pressure hot separator as upper tank, a tank (i.e. the continuous emptying equipment of high pressure) identical with high pressure hot separator in addition, as the next tank, achieves the continuous blow-down containing solid particulate high-pressure coal slurry with switching mode.Compared with original Direct coal liquefaction device, reaction pressure reduces, and temperature of reaction reduces, alleviate high-pressure coal slurry the washing away continuously metal valve when Automatic continuous discharges with immobilized particles, thus device can steady in a long-termly be run, extend device lifetime, reduce cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, the utility model comprises high-pressure coal pulp pump l and automatic metering system thereof, H
2, CO gas inlet pipeline 3, H
2, CO gas-booster 2, preheating oven 4, reactor 5, Reaktionsofen 6, fin cooler 7, high pressure hot separator 8, cold high pressure separator 9, the continuous emptying equipment IO of high pressure, three phases separator 11, pressure control equipment 12, absorption tower 13, Analytic Tower 14, drying tower 15, atmospheric distillation tower 16, vacuum still 17, vacuum distillation tower vacuum and continuously oil loadout facility 18, atmospheric tower fresh feed pump 19, vacuum distillation tower fresh feed pump 20.
Raw coal in use, is first broken into Powdered at IOO about u of granularity by the utility model, makes coal slurry after being mixed by a certain percentage in it and solvent oil, catalyzer, and through the H of supercharger 2
2, CO gas enters preheating oven 4 according to a certain percentage with after coal slurry mixing, be heated to lower than after temperature of reaction, entered by the bottom of the reactor 5 be placed in raw materials furnace and heating 6, and continue to be heated to temperature of reaction, at this temperature, material stop in reactor 5 require time chien shih its fully react, reaction after product is flowed out by reactor 5 top, high pressure hot separator 8 is entered again through fin cooler 7, in high-pressure separator 8, the light oil generated in gas and reaction process is separated after light constituent is cooled to liquid phase and enter cold high pressure separator 9, by light constituent and gas delivery in cold high pressure separator 9, light constituent puts into three phases separator 11 by tank level control system Automatic continuous, W/O and gas are carried out being separated continuous automatic-discharging, gas one tunnel in cold high pressure separator 9 enters the absorption tower 13 of recycle gas treatment facility, Analytic Tower 14, drying tower 15, a certain proportion of coal dust not having to liquefy is contained in liquid in high pressure hot separator 8, i.e. coal slurry, this coal slurry is released through the continuous emptying equipment 10 of high pressure.
Existing high-pressure coal slurry continuous blow-down is by as serious in metal valve, pipeline cause the washing away, wear and tear, make it lose original function of topworks, even if adopt the materials such as anti abrasive diamond, wolfram varbide to be processed into topworks, its work-ing life is also very limited, the Automatic continuous discharging mechanism that full scale plant uses also only has 1000 hours its work-ing life, and involves great expense.The utility model adopts above the next tank automatic switchover mode to achieve the coal slurry high pressure continuous blow-down containing immobilized particles, specified operational procedure: by computer-aided control, first the second pneumatic on-off valve AV-2 is closed, 4th pneumatic on-off valve AV-4, open the first pneumatic on-off valve AV-I, 3rd pneumatic on-off valve AV-3 makes material flow into the next tank (i.e. the continuous emptying equipment 10 of high pressure) by upper high pressure hot separator 8, when the liquid level in the next tank (the continuous emptying equipment 10 of high pressure) is to certain liquid level, close the first pneumatic on-off valve AV-1 and the 3rd pneumatic on-off valve AV-3, open the second pneumatic on-off valve AV-2, material in the next tank (the continuous emptying equipment 10 of high pressure) is extruded by pressure in it, the second pneumatic on-off valve AV-2 is closed when liquid level step-down certain position, now in the next tank (the continuous emptying equipment 10 of high pressure), pressure is reduced to apparatus system pressure greatly, thus now need to open the 4th pneumatic on-off valve AV-4 valve, gas is pressed in the next tank (the continuous emptying equipment 10 of high pressure), when wherein pressure display is consistent with system pressure, close the 4th pneumatic on-off valve AV-4, and then open the first pneumatic on-off valve AV-I, 3rd pneumatic on-off valve AV-3, go round and begin again, material completes the function of continuous blow-down.The coal slurry that the utility model avoids the band solid particulate of high pressure cleverly to the washing away continuously of the devices such as valve, wear and tear, substantially increase the running period of apparatus system.
The coal slurry coal slurry pump of being discharged by the continuous emptying equipment 10 of high pressure is squeezed into vacuum still 17 and is carried out fractionation, and the light constituent product introduction atmospheric and vacuum distillation 16 in three phases separator 11 enters fractionation.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. the direct coal liquifaction testing apparatus of hot melt process, is characterized in that: this device comprises:
One H
2, CO gas inlet pipeline (3);
One supercharger (2), is installed on H
2, CO gas inlet pipeline (3) is upper, for H
2, CO gas boosting;
One coal slurry tank, for store mixed with solvent oil, catalyst by proportion by raw coal powder after the coal slurry made;
One high-pressure coal pulp pump (1), for extracting the coal slurry in coal slurry tank and the H after supercharging
2, CO gas and vapor permeation;
One preheating oven (4), for preheating mixed material;
One Reaktionsofen (6), respond in described Reaktionsofen (6) device (5); Described reactor (5) bottom feed mouth is connected with preheating oven (4) discharge port through pipeline, makes it fully react for material being continued be heated to temperature of reaction;
One water cooler (7), described water cooler (7) its top feed mouth is connected with reactor (5) top discharge mouth through pipeline;
One high pressure hot separator (8) be connected with water cooler (7) discharge port, is cooled to liquid phase for being separated by the light oil generated in gas and reaction process by light constituent;
One cold high pressure separator (9) be connected with high pressure hot separator (8) top discharge mouth, for by light constituent and gas delivery;
One gas processing device be connected with cold high pressure separator (9) top gas discharge port; Pressure control equipment (12) is connected with between described gas processing device and cold high pressure separator (9);
One three phases separator (11) be connected with cold high pressure separator (9) bottom light constituent discharge port, for being undertaken being separated, discharging by the Oil, Water, Gas body in light constituent;
The one continuous emptying equipment of high pressure (10) be connected with high pressure hot separator (8) bottom discharge mouth, for discharging the coal slurry in high pressure hot separator (8) interior liquid;
Once the vacuum still (17) that vacuum distillation tower fresh feed pump (20) is connected with the continuous emptying equipment of high pressure (10) bottom discharge mouth, carry out fractionation for the coal slurry of continuous for high pressure emptying equipment (10) being discharged;
Once the atmospheric distillation tower (16) that atmospheric tower fresh feed pump (19) is connected with three phases separator (11) bottom discharge mouth, carry out fractionation for the oil of being discharged by three phases separator (11).
2. the direct coal liquifaction testing apparatus of hot melt process according to claim 1, is characterized in that: described high pressure hot separator (8) bottom discharge mouth is provided with the first pneumatic on-off valve; The continuous emptying equipment of described high pressure (10) discharge outlet is provided with the second pneumatic on-off valve.
3. the direct coal liquifaction testing apparatus of hot melt process according to claim 2, it is characterized in that: also comprise a pressure regulation tube road, realizing high-pressure coal slurry continuous blow-down for coordinating with high pressure hot separator (8), the continuous emptying equipment of high pressure (10); One end, described pressure regulation tube road is connected between high pressure hot separator (8) and the continuous emptying equipment of high pressure (10), and the other end is connected between high pressure hot separator (8) and cold high pressure separator (9); Described pressure regulation tube road is provided with the 3rd pneumatic on-off valve coordinated with the first pneumatic on-off valve; Pressure regulation tube road between described 3rd pneumatic on-off valve and the continuous emptying equipment of high pressure (10) is connected with the admission passage for gas being pressed into the continuous emptying equipment of high pressure (10); Described admission passage is provided with the 4th pneumatic on-off valve.
4. the direct coal liquifaction testing apparatus of hot melt process according to claim 1, is characterized in that: described gas processing device comprises the absorption tower (13) be connected with cold high pressure separator (9) top discharge mouth, the drying tower (15) be connected with absorption tower (13) bottom discharge port, the Analytic Tower (14) that is connected with absorption tower (13) upper part discharge port.
5. the direct coal liquifaction testing apparatus of hot melt process according to claim 4, is characterized in that: described Analytic Tower (14) and H
2, CO gas inlet pipeline (3) be connected.
6. the direct coal liquifaction testing apparatus of hot melt process according to claim 4, is characterized in that: described pressure control equipment (12) is connected between cold high pressure separator (9) and absorption tower (13).
7. the direct coal liquifaction testing apparatus of the hot melt process according to any one of claim 1 to 6, is characterized in that: also comprise a vacuum distillation tower vacuum be connected with vacuum still (17) and continuous oil loadout facility (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088264.7U CN204417412U (en) | 2015-02-06 | 2015-02-06 | The direct coal liquifaction testing apparatus of a kind of hot melt process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088264.7U CN204417412U (en) | 2015-02-06 | 2015-02-06 | The direct coal liquifaction testing apparatus of a kind of hot melt process |
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| Publication Number | Publication Date |
|---|---|
| CN204417412U true CN204417412U (en) | 2015-06-24 |
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ID=53467799
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520088264.7U Active CN204417412U (en) | 2015-02-06 | 2015-02-06 | The direct coal liquifaction testing apparatus of a kind of hot melt process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602601A (en) * | 2015-12-30 | 2016-05-25 | 金先奎 | Coal-to-oil catalytic extraction technology and special device thereof |
| CN112831344A (en) * | 2019-11-22 | 2021-05-25 | 中国石化工程建设有限公司 | Separation method and separation system for hydrocracking reaction products in slurry bed |
-
2015
- 2015-02-06 CN CN201520088264.7U patent/CN204417412U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602601A (en) * | 2015-12-30 | 2016-05-25 | 金先奎 | Coal-to-oil catalytic extraction technology and special device thereof |
| CN112831344A (en) * | 2019-11-22 | 2021-05-25 | 中国石化工程建设有限公司 | Separation method and separation system for hydrocracking reaction products in slurry bed |
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