CN210855900U - Equipment for producing polyol by utilizing steelmaking blast furnace gas - Google Patents
Equipment for producing polyol by utilizing steelmaking blast furnace gas Download PDFInfo
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- CN210855900U CN210855900U CN201922011683.1U CN201922011683U CN210855900U CN 210855900 U CN210855900 U CN 210855900U CN 201922011683 U CN201922011683 U CN 201922011683U CN 210855900 U CN210855900 U CN 210855900U
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- Prior art keywords
- outlet
- polyol
- pipeline
- water cooler
- communicated
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- 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.)
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- 229920005862 polyol Polymers 0.000 title claims abstract description 74
- 150000003077 polyols Chemical class 0.000 title claims abstract description 74
- 238000009628 steelmaking Methods 0.000 title claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 17
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims abstract description 12
- KIDBBTHHMJOMAU-UHFFFAOYSA-N propan-1-ol;hydrate Chemical compound O.CCCO KIDBBTHHMJOMAU-UHFFFAOYSA-N 0.000 claims abstract description 11
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000003786 synthesis reaction Methods 0.000 claims description 15
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 12
- 238000006477 desulfuration reaction Methods 0.000 claims description 12
- 230000023556 desulfurization Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 9
- 150000005846 sugar alcohols Polymers 0.000 claims description 7
- 239000007789 gas Substances 0.000 abstract description 68
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000003009 desulfurizing effect Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000002912 waste gas Substances 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000002194 synthesizing effect Effects 0.000 abstract 3
- 238000003723 Smelting Methods 0.000 abstract 1
- 238000009510 drug design Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- -1 carbon alcohols Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- WHDPTDWLEKQKKX-UHFFFAOYSA-N cobalt molybdenum Chemical compound [Co].[Co].[Mo] WHDPTDWLEKQKKX-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A process for preparing polyol from the gas generated by smelting steel includes such steps as connecting fine desulfurizing tower to compressor, connecting compressor to heat exchanger, connecting compressor to low-temp gas inlet of polyol heat exchanger, connecting high-temp gas outlet of polyol heat exchanger to polyol synthesizing tower, connecting polyol synthesizing tower to high-temp gas inlet of polyol heat exchanger and circulator, connecting circulator to polyol synthesizing tower, connecting low-temp gas outlet of polyol heat exchanger to water cooler, connecting water cooler to polyol separator, connecting polyol separator to membrane separator, connecting polyol outlet of membrane separator to rectifying tower, connecting methanol outlet of rectifying tower to methanol water cooler, connecting ethanol outlet of rectifying tower to ethanol water cooler, connecting propanol outlet of rectifying tower to propanol water cooler, scientific and rational design, fully utilizing waste gas, saving energy, protecting environment, low cost and high quality of product, is a great technical progress and innovation in the production of the polyhydric low-carbon alcohol, and has great economic and social benefits.
Description
Technical Field
The utility model relates to a chemical production device, in particular to a device 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.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide an apparatus for producing polyols from steel-making blast furnace gas, which can effectively solve the problems of low utilization of blast furnace gas and environmental pollution.
In order to achieve the above object, the utility model provides an equipment for producing polyol by utilizing steelmaking blast furnace gas, which comprises a fine desulfurization tower and a compressor, wherein the fine desulfurization tower is provided with a fine desulfurization tower air inlet and a fine desulfurization tower air outlet, the fine desulfurization tower air outlet is communicated with a compressor gas inlet of the compressor through a pipeline, the compressor gas air outlet is communicated with a heat exchanger low-temperature air inlet of a heat exchanger through a pipeline, a heat exchanger high-temperature air 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 air inlet through a pipeline, the heat exchanger low-temperature air outlet is communicated with the compressor air inlet, the compressor air outlet is communicated with a polyol heat exchanger low-temperature air inlet of a polyol heat exchanger through a pipeline, the polyol heat exchanger high-temperature air, 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 utility model has the advantages of scientific and reasonable design, make full use of waste gas, energy-conservation, environmental protection, low in production cost, product quality is good, is a big technological progress and innovation on the production of polyhydric low carbon alcohol, and economy and social are huge.
Drawings
Fig. 1 is a diagram of the structure block of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
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.
It should be noted that each of the above-mentioned devices is the prior art, and the product is sold in the market, the utility model discloses a contribution lies in, repacks these known parts for utilizing the equipment of steelmaking blast furnace gas production polyol through scientific design overall arrangement, effectively solves prior art's defect, has satisfied the production needs.
The utility model discloses when concrete implementation, its behavior is.
Examples
Under the condition of pressure of 0.1MP, adding CO and CO2And H2Proportionally mixing them together, such as 75Kg of CO and 15Kg of CO210Kg of H2Mixed into 100Kg of mixture, enters a fine desulfurization tower through an air inlet of the fine desulfurization tower, and then trace H in the gas is removed2After S is removed to 0.1ppm, the gas enters a compressor through a gas inlet of the compressor, the gas is compressed to 0.8Mpa, then enters a heat exchanger through a low-temperature gas inlet of the heat exchanger, exchanges heat with high-temperature gas entering from a shift converter through a high-temperature gas inlet of the heat exchanger to 200 ℃ in the heat exchanger, then enters the shift converter through a gas inlet of the shift converter, and CO in the gas and water vapor generate shift reaction to generate H under the conditions of cobalt-molybdenum catalyst and 230 ℃ to generate H2And CO2In this case, the mixed gas contains 25% by mass of CO and 25% by mass of CO250% of H2Then change fromThe gas outlet of the converter enters the heat exchanger through the high-temperature gas inlet of the heat exchanger to be cooled to 40 ℃, the gas outlet of the heat exchanger enters the compressor through the gas inlet of the compressor to be compressed to 6 Mpa, the gas outlet of the heat exchanger enters the polyol heat exchanger through the low-temperature gas inlet of the polyol heat exchanger, the heat exchange is carried out between the polyol heat exchanger and the high-temperature gas entering from the gas outlet of the polyol synthesis tower through the high-temperature gas inlet of the polyol heat exchanger to 220 ℃, and then the gas inlet of the polyol synthesis tower enters the polyol synthesis tower to carry out CO and CO synthesis under the conditions of copper, iron2And H2Reacting to generate 15Kg of methanol, 45Kg of ethanol, 10Kg of propanol, 8Kg of butanol, 5Kg of pentanol and 17Kg of water, then entering a circulator from a part of an air outlet of the polyol synthesis tower through a pipeline, boosting the pressure to 6.3Mpa by the circulator, re-entering the polyol synthesis tower through the pipeline for re-reacting to achieve the purpose of full reaction, entering another part of the mixture into the polyol heat exchanger through a high-temperature air inlet of the polyol heat exchanger to reduce the temperature to 80 ℃, entering a water cooler from a low-temperature air outlet of the polyol heat exchanger through an air inlet of the water cooler to reduce the temperature to below 35 ℃, then entering a polyol separator from an air outlet of the water cooler through an air inlet of the polyol separator to separate a mixture of crude polyol and water, entering the membrane separator from an outlet of the polyol separator through an inlet of the membrane separator to separate 17Kg of water, entering a water treatment section through a membrane water outlet to carry out the next treatment, the polyhydric alcohol enters a rectifying tower through a polyhydric alcohol outlet for rectification, 15Kg of rectified methanol enters a methanol water cooler through a methanol outlet and is cooled to 40 ℃ and then enters a methanol storage tank, 45Kg of ethanol enters the ethanol water cooler through an ethanol outlet and is cooled to 40 ℃ and then enters an ethanol storage tank, 10Kg of propanol enters a propanol water cooler through a propanol outlet and is cooled to 40 ℃ and then enters a propanol storage tank, and 13Kg of mixed alcohol of butyl alcohol and amyl alcohol, which is obtained by mixing 8Kg of butanol and 5Kg of amyl alcohol, enters the methanol water cooler through a mixed alcohol outlet and is cooled to 40 ℃ and then enters a mixed alcohol storage tank of butyl alcohol and amyl alcohol.
The utility model discloses through the test of a lot of different volume, all obtained the same or similar result with the embodiment, show that equipment is stable, reliable, no longer give unnecessary details here.
The utility model is sufficientThe method for producing the polyol high-added-value chemical product by utilizing the steelmaking blast furnace waste gas improves the utilization rate of blast furnace gas, protects the atmospheric environment and reduces the production cost of the polyol, is different from the existing coal-made polyol production equipment in nature, effectively utilizes the waste gas, fully utilizes the reaction heat to realize rectification, achieves the purposes of saving energy and reducing the production cost, and fully utilizes a large amount of waste gas resources CO2The utility model has the remarkable characteristics of advanced, safe, high-efficient, energy-conserving, small investment, with low costs, of high quality, no environmental pollution, compare with coal system method production liquefied natural gas, the utility model discloses can practice thrift the cost more than 50%, energy-conserving more than 40%, investment cost reduces more than 70%, is a big creation in the production of many low carbon alcohols, simultaneously, the utility model discloses also can be used to the comprehensive treatment of carbide tail gas, yellow phosphorus tail gas, economic benefits and social are huge.
Claims (7)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922011683.1U CN210855900U (en) | 2019-11-20 | 2019-11-20 | Equipment for producing polyol by utilizing steelmaking blast furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922011683.1U CN210855900U (en) | 2019-11-20 | 2019-11-20 | Equipment for producing polyol by utilizing steelmaking blast furnace gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210855900U true CN210855900U (en) | 2020-06-26 |
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ID=71287258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922011683.1U Withdrawn - After Issue CN210855900U (en) | 2019-11-20 | 2019-11-20 | Equipment for producing polyol by utilizing steelmaking blast furnace gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210855900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713431A (en) * | 2019-11-20 | 2020-01-21 | 鹤壁宝发能源科技股份有限公司 | Equipment for producing polyol by utilizing steelmaking blast furnace gas |
-
2019
- 2019-11-20 CN CN201922011683.1U patent/CN210855900U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713431A (en) * | 2019-11-20 | 2020-01-21 | 鹤壁宝发能源科技股份有限公司 | Equipment for producing polyol by utilizing steelmaking blast furnace gas |
| CN110713431B (en) * | 2019-11-20 | 2023-12-08 | 鹤壁宝发能源科技股份有限公司 | Equipment for producing polyol by utilizing steelmaking blast furnace gas |
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