阅读说明：本技术 一种利用炼钢高炉气生产多元醇的设备 (Equipment for producing polyol by utilizing steelmaking blast furnace gas ) 是由 杨奇申 石瑞章 张顺平 段志广 刘品涛 谢肥东 李贵利 于 2019-11-20 设计创作，主要内容包括：一种利用炼钢高炉气生产多元醇的设备,精脱硫塔与压缩机连通,压缩机与换热器连通,压缩机与多醇换热器低温进气口连通,多醇换热器高温出气口与多醇合成塔连通,多醇合成塔分别与多醇换热器高温进气口和循环机连通,循环机与多醇合成塔连通,多醇换热器低温出气口与水冷器连通,水冷器与多醇分离器连通,多醇分离器与膜分离器连通,膜分离器的多元醇出口与精馏塔连通,精馏塔的甲醇出口与甲醇水冷却器连通,精馏塔的乙醇出口与乙醇水冷却器连通,精馏塔的丙醇出口与丙醇水冷却器连通,本发明设计科学合理,充分利用废气,节能、环保,生产成本低,产品质量好,是多元低碳醇生产上的一大技术进步和创新,经济和社会效益巨大。(The invention relates to a device for producing polyol by utilizing steelmaking blast furnace gas, a fine desulfurization tower is communicated with a compressor, the compressor is communicated with a heat exchanger, the compressor is communicated with a low-temperature gas inlet of a polyol heat exchanger, a high-temperature gas outlet of the polyol heat exchanger is communicated with a polyol synthesis tower, the polyol synthesis tower is respectively communicated with a high-temperature gas inlet of the polyol heat exchanger and a circulator, the circulator is communicated with the polyol synthesis tower, a low-temperature gas outlet of the polyol heat exchanger is communicated with a water cooler, the water cooler is communicated with a polyol separator, the polyol separator is communicated with a membrane separator, a polyol outlet of the membrane separator is communicated with a rectifying tower, a methanol outlet of the rectifying tower is communicated with a methanol water cooler, an ethanol outlet of the rectifying tower is communicated with the ethanol water cooler, and a propanol outlet of the rectifying tower is communicated with a propanol water cooler. Is a great technical progress and innovation in the production of the polyhydric low-carbon alcohol, and has great economic and social benefits.)

1. An apparatus for producing polyol by utilizing steelmaking blast furnace gas comprises a fine desulfurization tower and a compressor, and is characterized in that a fine desulfurization tower gas inlet (1-1) and a fine desulfurization tower gas outlet (1-2) are arranged on the fine desulfurization tower (1), the fine desulfurization tower gas outlet (1-2) is communicated with a compressor gas inlet (2-1) of the compressor (2) through a pipeline, the compressor gas outlet (2-2) is communicated with a heat exchanger low-temperature gas inlet (3-1) of a heat exchanger (3) through a pipeline, a heat exchanger high-temperature gas outlet (3-2) is communicated with a shift converter gas inlet (4-1) of a shift converter (4) through a pipeline, the shift converter gas outlet (4-2) is communicated with a heat exchanger high-temperature gas inlet (3-3) through a pipeline, and the heat exchanger low-temperature gas outlet (3-4) is communicated with the compressor gas inlet (2-3), the air outlet (2-4) of the compressor is communicated with a low-temperature air inlet (6-1) of a polyol heat exchanger (6) through a pipeline, a high-temperature air outlet (6-2) of the polyol heat exchanger is communicated with an air inlet (7-1) of a polyol synthesis tower (7) through a pipeline, an air outlet (7-2) of the polyol synthesis tower is respectively communicated with a high-temperature air inlet (6-3) of the polyol heat exchanger and an air inlet (5-1) of a circulator (5) through pipelines, an air outlet (5-2) of the circulator is communicated with an air inlet (7-1) of the polyol synthesis tower through a pipeline, a low-temperature air outlet (6-4) of the polyol heat exchanger is communicated with an air inlet (8-1) of a water cooler (8) through a pipeline, an air outlet (8-2) of the water cooler is communicated with an air, an outlet (9-2) of the polyol separator is communicated with an inlet (10-1) of a membrane separator of the membrane separator (10) through a pipeline, a water outlet (10-2) of the membrane separator and an outlet (10-3) of the polyol are arranged on the membrane separator (10), the outlet (10-3) of the polyol is communicated with an inlet (11-1) of a rectifying tower (11) through a pipeline, a methanol outlet (11-2) of the rectifying tower (11) is communicated with an inlet (12-1) of a methanol water cooler (12) through a pipeline, an ethanol outlet (11-3) of the rectifying tower (11) is communicated with an inlet (13-1) of an ethanol water cooler (13) through a pipeline, a propanol outlet (11-4) of the rectifying tower (11) is communicated with an inlet (14-1) of a propanol water cooler (14) through a pipeline, the rectifying tower (11) is provided with a mixed alcohol outlet (11-5).

2. The apparatus for producing polyhydric alcohols from steelmaking blast furnace gas as claimed in claim 1, wherein the methanol water cooler (12) is provided with a methanol water cooler outlet (12-2), and the methanol water cooler outlet (12-2) is connected with a methanol storage tank through a pipeline.

3. The equipment for producing the polyhydric alcohol by using the steelmaking blast furnace gas as claimed in claim 1, wherein the ethanol water cooler (13) is provided with an ethanol water cooler outlet (13-2), and the ethanol water cooler outlet (13-2) is connected with an ethanol storage tank through a pipeline.

4. The equipment for producing the polyhydric alcohol by using the steelmaking blast furnace gas as claimed in claim 1, wherein the propanol water cooler (14) is provided with a propanol water cooler outlet (14-2), and the propanol water cooler outlet (14-2) is connected with a propanol storage tank through a pipeline.

5. The apparatus for producing polyhydric alcohols from steelmaking blast furnace gas as claimed in claim 1, wherein the mixed alcohol outlet (11-5) is connected to a butanol and pentanol mixed alcohol storage tank through a pipeline.

6. The equipment for producing polyol by using steelmaking blast furnace gas as claimed in claim 1, wherein a tee joint is arranged on the pipeline at the gas outlet (7-2) of the polyol converter, and the tee joint is respectively connected with the high-temperature gas inlet (6-3) of the polyol heat exchanger and the gas inlet (5-1) of the circulator through pipelines.

7. The equipment for producing polyol by using steelmaking blast furnace gas as claimed in claim 1, wherein the water outlet (10-2) of the membrane separator is connected with the water treatment section through a pipeline.

Technical Field

The invention relates to chemical production equipment, in particular to equipment for producing polyol by utilizing steelmaking blast furnace gas.

Background

The blast furnace gas of the steel-making enterprises is used as fuel, and CO and H in the gas₂The waste of resources is caused because higher added value utilization is not obtained, and the economic benefit of iron and steel enterprises is restricted, so that the produced CO₂The pollution of greenhouse effect to the atmosphere can be caused, how to improve the high-efficiency comprehensive utilization of blast furnace gas is realized, the use of low added value in the past is changed into high-grade chemical products, and simultaneously CO is used₂Changing waste into valuable, not only protecting the environment, but also increasing the economic benefits of enterprises, and is a technical problem to be solved urgently.

Disclosure of Invention

In view of the above problems, the present invention aims to provide a device for producing polyols from steelmaking blast furnace gas, which can effectively solve the problems of low utilization rate of blast furnace gas and environmental pollution.

In order to achieve the purpose, the technical scheme of the invention is that the equipment for producing the polyol by utilizing the steelmaking blast furnace gas comprises a fine desulfurization tower and a compressor, wherein the fine desulfurization tower is provided with a fine desulfurization tower gas inlet and a fine desulfurization tower gas outlet, the fine desulfurization tower gas outlet is communicated with a compressor gas inlet of the compressor through a pipeline, the compressor gas outlet is communicated with a heat exchanger low-temperature gas inlet of a heat exchanger through a pipeline, a heat exchanger high-temperature gas outlet is communicated with a converter gas inlet of a converter through a pipeline, the converter gas outlet is communicated with a heat exchanger high-temperature gas inlet through a pipeline, the heat exchanger low-temperature gas outlet is communicated with the compressor gas inlet, the compressor gas outlet is communicated with a polyol heat exchanger low-temperature gas inlet of a polyol heat exchanger through a pipeline, the polyol heat exchanger high, the gas outlet of the polyol synthesis tower is respectively communicated with the high-temperature gas inlet of the polyol heat exchanger and the gas inlet of the circulator through pipelines, the gas outlet of the circulator is communicated with the gas inlet of the polyol synthesis tower through a pipeline, the low-temperature gas outlet of the polyol heat exchanger is communicated with the gas inlet of the water cooler through a pipeline, the gas outlet of the water cooler is communicated with the gas inlet of the polyol separator through a pipeline, the outlet of the polyol separator is communicated with the inlet of a membrane separator of the membrane separator through a pipeline, the outlet of the membrane separator is provided with a water outlet of the membrane separator and a polyol outlet, the polyol outlet is communicated with the inlet of a rectifying tower of the rectifying tower through a pipeline, the methanol outlet of the rectifying tower is communicated with the inlet of a methanol water cooler of the methanol water cooler through a pipeline, the ethanol outlet of the rectifying tower is communicated with the inlet of the ethanol water cooler through, the rectifying tower is provided with a mixed alcohol outlet.

The invention has scientific and reasonable design, full utilization of waste gas, energy saving, environmental protection, low production cost and good product quality, is a great technical progress and innovation in the production of polyhydric low-carbon alcohol and has great economic and social benefits.

Drawings

FIG. 1 is a block diagram of the architecture of the present invention.

Detailed Description

The following detailed description of the embodiments of the invention is provided in connection with the accompanying drawings and the detailed description.

The equipment for producing the polyol by utilizing the steelmaking blast furnace gas comprises a fine desulfurizing tower and a compressor, wherein a fine desulfurizing tower gas inlet 1-1 and a fine desulfurizing tower gas outlet 1-2 are arranged on the fine desulfurizing tower 1, the fine desulfurizing tower gas outlet 1-2 is communicated with a compressor gas inlet 2-1 of the compressor 2 through a pipeline, the compressor gas outlet 2-2 is communicated with a heat exchanger low-temperature gas inlet 3-1 of a heat exchanger 3 through a pipeline, a heat exchanger high-temperature gas outlet 3-2 is communicated with a converter gas inlet 4-1 of a converter 4 through a pipeline, the converter gas outlet 4-2 is communicated with a heat exchanger high-temperature gas inlet 3-3 through a pipeline, the heat exchanger low-temperature gas outlet 3-4 is communicated with the compressor gas inlet 2-3, the compressor gas outlet 2-4 is communicated with a heat exchanger low-temperature gas inlet 6-1 of a polyol heat exchanger 6 through, a high-temperature air outlet 6-2 of the polyol heat exchanger is communicated with an air inlet 7-1 of the polyol synthesis tower 7 through a pipeline, an air outlet 7-2 of the polyol synthesis tower is respectively communicated with a high-temperature air inlet 6-3 of the polyol heat exchanger and an air inlet 5-1 of a circulator of the circulator 5 through pipelines, an air outlet 5-2 of the circulator is communicated with an air inlet 7-1 of the polyol synthesis tower through a pipeline, a low-temperature air outlet 6-4 of the polyol heat exchanger is communicated with an air inlet 8-1 of a water cooler 8 through a pipeline, an air outlet 8-2 of the water cooler is communicated with an air inlet 9-1 of a polyol separator 9 through a pipeline, an outlet 9-2 of the polyol separator is communicated with an inlet 10-1 of a membrane separator 10 through a pipeline, a water outlet 10-2 of the membrane separator 10 and an outlet 10-3 of, the polyhydric alcohol outlet 10-3 is communicated with a rectifying tower inlet 11-1 of a rectifying tower 11 through a pipeline, a methanol outlet 11-2 of the rectifying tower 11 is communicated with a methanol water cooler inlet 12-1 of a methanol water cooler 12 through a pipeline, an ethanol outlet 11-3 of the rectifying tower 11 is communicated with an ethanol water cooler inlet 13-1 of an ethanol water cooler 13 through a pipeline, a propanol outlet 11-4 of the rectifying tower 11 is communicated with a propanol water cooler inlet 14-1 of a propanol water cooler 14 through a pipeline, and a mixed alcohol outlet 11-5 is arranged on the rectifying tower 11.

In order to ensure better implementation effect, the methanol water cooler 12 is provided with a methanol water cooler outlet 12-2, and the methanol water cooler outlet 12-2 is connected with a methanol storage tank through a pipeline.

The ethanol water cooler 13 is provided with an ethanol water cooler outlet 13-2, and the ethanol water cooler outlet 13-2 is connected with an ethanol storage tank through a pipeline.

The propanol water cooler 14 is provided with a propanol water cooler outlet 14-2, and the propanol water cooler outlet 14-2 is connected with a propanol storage tank through a pipeline.

The mixed alcohol outlet 11-5 is connected with a butanol and pentanol mixed alcohol storage tank through a pipeline.

And a tee joint is arranged on a pipeline at the gas outlet 7-2 of the polyol synthesis tower and is respectively connected with a high-temperature gas inlet 6-3 of the polyol heat exchanger and a gas inlet 5-1 of the circulator through pipelines.

The water outlet 10-2 of the membrane separator is connected with a water treatment working section through a pipeline.

The invention is characterized in that the known components are modified into equipment for producing the polyol by utilizing the steelmaking blast furnace gas through scientific design layout, thereby effectively overcoming the defects of the prior art and meeting the production requirement.

The invention is embodied in such a way that it works.