CN103694966A - Production apparatus for preparing engine liquid coolant from coal glycol waste material and technology thereof - Google Patents
Production apparatus for preparing engine liquid coolant from coal glycol waste material and technology thereof Download PDFInfo
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- CN103694966A CN103694966A CN201310455594.0A CN201310455594A CN103694966A CN 103694966 A CN103694966 A CN 103694966A CN 201310455594 A CN201310455594 A CN 201310455594A CN 103694966 A CN103694966 A CN 103694966A
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Abstract
The invention relates to the technical field of engine liquid coolant production apparatus, and concretely relates to a production apparatus for preparing engine liquid coolant from coal glycol waste material. The invention comprises a lightness-removing column, a first stage rectifying tower, a second stage rectifying tower and a stirred tank, and according to different coal glycol waste material compositions, all or partial apparatus are started with agility design and convenient operation.
Description
Technical field
The present invention relates to the technical field of engine coolant production equipment and technique thereof, be specially production equipment and the technique thereof of with coal-ethylene glycol waste material, preparing engine coolant.
Background technology
In recent years, along with the maturation of coal-ethylene glycol technology, the domestic large quantities of coal-ethylene glycol enterprise that built.According to statistics, the coming years China's coal-ethylene glycol production capacity will reach more than 5,000,000 tons.In coal-ethylene glycol production process, will produce the ethylene glycol waste material of 10% left and right, and these so-called waste materials are often sold Some Enterprises with lower price, as fuel, use, caused the great wasting of resources.Yet, in these waste materials, contain the polyvalent alcohols such as a large amount of ethylene glycol, 1,2-butyleneglycol, and polyalcohols is the raw material of good engine coolant.Current engine coolant is mainly ethylene glycol type, and ethylene glycol is to take oil as raw material, and cost is higher.If these coal-ethylene glycol waste materials rationally can be utilized, make engine coolant, will there is the very strong market competitiveness, can increase the profit of coal-ethylene glycol manufacturing enterprise, reduce the production cost of enterprise.
Summary of the invention
For coal-ethylene glycol waste material reasonably being utilized, reduce the wasting of resources, the invention provides a kind of production equipment and technique of preparing engine coolant with coal-ethylene glycol waste material.
A kind of production equipment of preparing engine coolant with coal-ethylene glycol waste material, comprise lightness-removing column, one-level rectifying tower, two-stage rectification tower and stirring tank, one side of lightness-removing column has waste material input channel, lightness-removing column bottom is provided with lightness-removing column reboiler, lightness-removing column tower top has lightness-removing column tower top pipeline, at the bottom of lightness-removing column tower, there is lightness-removing column tower bottom pipeline to be connected with one-level rectifying tower, one-level rectifying tower bottom is provided with one-level rectifying tower reboiler, at the bottom of one-level rectifying tower, be provided with discharging pipeline at the bottom of one-level rectifying tower, at the bottom of one-level rectifying tower, discharging pipeline is connected with container for storing liquid through the first pipeline, at the bottom of one-level rectifying tower, discharging pipeline is also connected with discharge line, one-level rectifying tower tower top be provided with one-level rectifying tower push pipe road successively with one-level rectifying tower tower top condenser, one-level rectifying column top return tank is connected, the outlet of one-level rectifying column top return tank connects respectively top and the one-level rectifying tower tower top vent pipe of one-level rectifying tower, one-level rectifying tower is connected with one-level rectifying tower side line hold-up vessel through one-level rectifying tower side line condenser, one-level rectifying tower side line hold-up vessel is connected with two-stage rectification tower, two-stage rectification column overhead outlet through pipeline successively with two-stage rectification tower condenser, two-stage rectification tower return tank is connected, two-stage rectification tower return tank bottom is connected with one-level rectifying tower return tank vent pipe with two-stage rectification tower top respectively, the two-stage rectification tower tower bottom pipeline arranging at the bottom of two-stage rectification tower tower is connected with condenser at the bottom of two-stage rectification tower tower, at the bottom of two-stage rectification tower tower, the outlet of condenser connects the first pipeline, two-stage rectification tower bottom is provided with two-stage rectification tower reboiler, container for storing liquid is connected with stirring tank by discharge pipe, stirring tank one side also has an opening for feed, bottom is provided with discharge port.
In described stirring tank, well heater is set, type of heating is one or more of chuck heating, steam coils heating, steam direct heating.
Two minutes pipelines of discharging pipeline installing at the bottom of described one-level rectifying tower, on two minutes pipelines respectively and the first valve and the second valve be set, the first valve installation is leading on the first pipeline of container for storing liquid, and the second valve is arranged on the discharge line outside system battery limit (BL).
The technique of preparing engine coolant with coal-ethylene glycol waste material, coal-ethylene glycol waste material enters lightness-removing column by waste material input channel, by this tower by the light constituent methyl alcohol in raw material, methylcarbonate, second alcohol and water is steamed out from tower top, from lightness-removing column tower top pipeline, flow out, boiling point is greater than the component of 100 ℃ and flows to one-level rectifying tower by lightness-removing column tower bottom pipeline, through one-level rectifying tower, boiling point is less than the component of 165 ℃ from the one-level rectifying tower push pipe road outflow of tower top process, boiling point is greater than the component of 165 ℃ and goes out from tower bottom flow, from discharge nozzle linear flow at the bottom of one-level rectifying tower, go out, when feed coal preparing ethylene glycol waste material mid-boiling point is greater than the constituent mass mark of 260 ℃ and is greater than 1%, successively by one-level rectifying tower condenser and one-level rectifying tower hold-up vessel, then enter two-stage rectification tower, boiling point is less than the component of 165 ℃ and flows out from tower top, successively by two-stage rectification tower condenser and two-stage rectification tower return tank, at the bottom of tower, boiling point is greater than the component of 165 ℃ and flows to container for storing liquid by two-stage rectification tower tower bottom pipeline, from container for storing liquid, enter to stirring tank, in stirring tank, inject by weight 20 parts of deionized waters again, 0.01 part of polyacrylic ester, 1 part of Sodium Nitrite, 2 parts of Sodium phosphate dibasics, 0.001 part of 0.1 part of methacrylic ester and Methylene blue, be stirred to completely and dissolve, obtain engine coolant.
Described at the bottom of one-level rectifying tower discharging pipeline, when containing boiling point being greater than the cut of 260 ℃ in the discharging cut at the bottom of one-level rectifying tower, close the first valve leading on container for storing liquid pipeline, open the second valve leading on system battery limit (BL) external pipeline, when not containing boiling point being greater than the cut of 260 ℃ in the cut at the bottom of one-level rectifying tower, open the first valve leading on container for storing liquid pipeline, close towards the second valve on system battery limit (BL) external pipeline.
Feature of the present invention is the difference that can form according to coal-ethylene glycol waste material, enables all or part of device, and flexible design is easy to operate.
According to NB/SH/T 0521 ?2010 < < ethylene glycol type and propylene glycol engine coolant > >, technical specifications, freezing point in the present invention is tested for-40 ℃ of cooling fluids, while requiring the density (20 ℃) of engine coolant in standard, be not less than 1.068 g/cm3, measured value is 1.084g/cm3, in standard, require the freezing point of cooling fluid not higher than-40 ℃, measured value is-46 ℃, in standard, require the boiling point of cooling fluid to be not less than 107.5 ℃, measured value is 108 ℃, in standard, require the pH value of cooling fluid between 7.5～11, measured value is 8.9, in the experiment of glassware corrosion coupon changing value, in standard, require the variation of red copper between-5～+ 5 mg/ sheets, measured value is-1 mg/ sheet, in standard, require the variation of brass between-5～+ 5mg/ sheet, measured value is-1mg/ sheet, in standard, require the variation of steel between-10～+ 10 mg/ sheets, measured value is 1 mg/ sheet, in standard, require the variation of cast iron between-10～+ 10 mg/ sheets, measured value is-1 mg/ sheet, in standard, require the variation of scolding tin between-30～+ 30 mg/ sheets, measured value is 4 mg/ sheets, in standard, require the variation of cast aluminium between-30～+ 30 mg/ sheets, measured value is-6 mg/ sheets, according to above experimental data, can show that the cold liquid that goes of the present invention meets national standard, cooling fluid effect reaches by the glycol-cooled liquid quality that is raw material production with oil.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
referring to Fig. 1,lightness-removing column is 1, waste material input channel is 2, lightness-removing column reboiler is 3, lightness-removing column tower top pipeline is 4, lightness-removing column tower bottom pipeline is 5, at the bottom of one-level rectifying tower, discharging pipeline is 6, one-level rectifying tower is 7, one-level rectifying tower reboiler is 8, container for storing liquid is 9, two-stage rectification tower is 10, two-stage rectification tower condenser is 11, two-stage rectification tower return tank is 12, one-level rectifying tower condenser is 13, two-stage rectification tower reboiler is 14, stirring tank is 15, one-level rectifying tower push pipe road is 16, two-stage rectification tower tower bottom pipeline is 17, discharge line is 18, one-level rectifying tower hold-up vessel is 19, the first valve is 20, the second valve is 21, the first pipeline is 22, return tank vent pipe is 23, at the bottom of two-stage rectification tower tower, condenser is 24, one-level rectifying tower tower top condenser is 25, one-level rectifying column top return tank is 26, one-level rectifying tower tower top vent pipe is 27.
A kind of production equipment of preparing engine coolant with coal-ethylene glycol waste material, it is characterized in that, comprise lightness-removing column, one-level rectifying tower, two-stage rectification tower and stirring tank, one side of lightness-removing column 1 has waste material input channel 2, lightness-removing column 1 bottom is provided with lightness-removing column reboiler 3, lightness-removing column 1 tower top has lightness-removing column tower top pipeline 4, at the bottom of lightness-removing column 1 tower, there is lightness-removing column tower bottom pipeline 5 to be connected with one-level rectifying tower 7, one-level rectifying tower 7 bottoms are provided with one-level rectifying tower reboiler 8, at the bottom of one-level rectifying tower 7 towers, be provided with discharging pipeline 6 at the bottom of one-level rectifying tower, at the bottom of one-level rectifying tower, discharging pipeline 6 is connected with container for storing liquid 9 through the first pipeline 22, at the bottom of one-level rectifying tower, discharging pipeline 6 is also connected with discharge line 18, one-level rectifying tower 7 tower tops be provided with one-level rectifying tower push pipe road 16 successively with one-level rectifying tower tower top condenser 25, one-level rectifying column top return tank 26 is connected, the outlet of one-level rectifying column top return tank 26 connects respectively top and the one-level rectifying tower tower top vent pipe 27 of one-level rectifying tower 7, one-level rectifying tower 7 is connected with one-level rectifying tower side line hold-up vessel 19 through one-level rectifying tower side line condenser 13, one-level rectifying tower side line hold-up vessel 19 is connected with two-stage rectification tower 10, two-stage rectification tower 10 tower top outlets through pipeline successively with two-stage rectification tower condenser 11, two-stage rectification tower return tank 12 is connected, two-stage rectification tower return tank 12 bottoms are connected with one-level rectifying tower return tank vent pipe 23 with two-stage rectification tower 10 tops respectively, the two-stage rectification tower tower bottom pipeline 17 arranging at the bottom of two-stage rectification tower 10 towers is connected with condenser 24 at the bottom of two-stage rectification tower tower, at the bottom of two-stage rectification tower tower, the outlet of condenser 24 connects the first pipeline 22, two-stage rectification tower 10 bottoms are provided with two-stage rectification tower reboiler 14, container for storing liquid 9 is connected with stirring tank 15 by discharge pipe, stirring tank 15 1 sides also have an opening for feed, bottom is provided with discharge port.
The interior well heater that arranges of described stirring tank 15, type of heating is one or more of chuck heating, steam coils heating, steam direct heating.
At the bottom of described one-level rectifying tower, discharging pipeline 6 arranges two minutes pipelines, on two minutes pipelines respectively and the first valve 20 and the second valve 21 be set, the first valve 20 is arranged on the first pipeline 22 of container for storing liquid 9, and the second valve 21 is arranged on the discharge line 18 outside system battery limit (BL).
The technique of preparing engine coolant with coal-ethylene glycol waste material, coal-ethylene glycol waste material enters lightness-removing column 1 by waste material input channel 2, by this tower by the light constituent methyl alcohol in raw material, methylcarbonate, second alcohol and water is steamed out from tower top, from lightness-removing column tower top pipeline 4, flow out, boiling point is greater than the component of 100 ℃ and flows to one-level rectifying tower 7 by lightness-removing column tower bottom pipeline 5, through one-level rectifying tower (7), boiling point is less than the component of 165 ℃ from 16 outflows of tower top process one-level rectifying tower push pipe road, boiling point is greater than the component of 165 ℃ and goes out from tower bottom flow, from discharging pipeline at the bottom of one-level rectifying tower 6, flow out, when feed coal preparing ethylene glycol waste material mid-boiling point is greater than the constituent mass mark of 260 ℃ and is greater than 1%, successively by one-level rectifying tower condenser 13 and one-level rectifying tower hold-up vessel 19, then enter two-stage rectification tower 10, boiling point is less than the component of 165 ℃ and flows out from tower top, successively by two-stage rectification tower condenser 11 and two-stage rectification tower return tank 12, at the bottom of tower, boiling point is greater than the component of 165 ℃ and flows to container for storing liquid 9 by two-stage rectification tower tower bottom pipeline 17, from container for storing liquid 9, enter to stirring tank 15, in stirring tank 15, inject by weight 20 parts of deionized waters again, 0.01 part of polyacrylic ester, 1 part of Sodium Nitrite, 2 parts of Sodium phosphate dibasics, 0.001 part of 0.1 part of methacrylic ester and Methylene blue, be stirred to completely and dissolve, obtain engine coolant.
Described at the bottom of one-level rectifying tower discharging pipeline 6, when containing boiling point being greater than the cut of 260 ℃ in the discharging cut at the bottom of one-level rectifying tower, close the first valve leading on container for storing liquid 9 pipelines, open the second valve leading on system battery limit (BL) external pipeline, when not containing boiling point being greater than the cut of 260 ℃ in the cut at the bottom of one-level rectifying tower, open the first valve 20 leading on container for storing liquid 9 pipelines, close towards the second valve 21 on system battery limit (BL) external pipeline.
The present invention describes by above-described embodiment, but not limiting the scope of the invention.Any those skilled in the art are easy to the flow process in the present invention simply revise or replace, so the present invention is only subject to content and the scope restriction of the claims in the present invention.
Claims (5)
1. a production equipment of preparing engine coolant with coal-ethylene glycol waste material, it is characterized in that, comprise lightness-removing column, one-level rectifying tower, two-stage rectification tower and stirring tank, one side of lightness-removing column (1) has waste material input channel (2), lightness-removing column (1) bottom is provided with lightness-removing column reboiler (3), lightness-removing column (1) tower top has lightness-removing column tower top pipeline (4), at the bottom of lightness-removing column (1) tower, there is lightness-removing column tower bottom pipeline (5) to be connected with one-level rectifying tower (7), one-level rectifying tower (7) bottom is provided with one-level rectifying tower reboiler (8), at the bottom of one-level rectifying tower (7) tower, be provided with discharging pipeline (6) at the bottom of one-level rectifying tower, at the bottom of one-level rectifying tower, discharging pipeline (6) is connected with container for storing liquid (9) through the first pipeline (22), at the bottom of one-level rectifying tower, discharging pipeline (6) is also connected with discharge line (18), one-level rectifying tower (7) tower top be provided with one-level rectifying tower push pipe road (16) successively with one-level rectifying tower tower top condenser (25), one-level rectifying column top return tank (26) is connected, the outlet of one-level rectifying column top return tank (26) connects respectively top and the one-level rectifying tower tower top vent pipe (27) of one-level rectifying tower (7), one-level rectifying tower (7) is connected with one-level rectifying tower side line hold-up vessel (19) through one-level rectifying tower side line condenser (13), one-level rectifying tower side line hold-up vessel (19) is connected with two-stage rectification tower (10), two-stage rectification tower (10) tower top outlet through pipeline successively with two-stage rectification tower condenser (11), two-stage rectification tower return tank (12) is connected, two-stage rectification tower return tank (12) bottom is connected with one-level rectifying tower return tank vent pipe (23) with two-stage rectification tower (10) top respectively, the two-stage rectification tower tower bottom pipeline (17) arranging at the bottom of two-stage rectification tower (10) tower is connected with condenser (24) at the bottom of two-stage rectification tower tower, at the bottom of two-stage rectification tower tower, the outlet of condenser (24) connects the first pipeline (22), two-stage rectification tower (10) bottom is provided with two-stage rectification tower reboiler (14), container for storing liquid (9) is connected with stirring tank (15) by discharge pipe, stirring tank (15) one sides also have an opening for feed, bottom is provided with discharge port.
2. with coal-ethylene glycol waste material, prepare according to claim 1 the production equipment of engine coolant, it is characterized in that, described stirring tank arranges well heater in (15), and type of heating is one or more of chuck heating, steam coils heating, steam direct heating.
3. with coal-ethylene glycol waste material, prepare according to claim 1 the production equipment of engine coolant, it is characterized in that, at the bottom of described one-level rectifying tower, discharging pipeline (6) arranges two minutes pipelines, on two minutes pipelines respectively and the first valve (20) and the second valve (21) be set, the first valve (20) is arranged on towards first pipeline (22) of container for storing liquid (9) upper, and the second valve (21) is arranged on the discharge line (18) outside system battery limit (BL).
4. the technique of preparing engine coolant with coal-ethylene glycol waste material claimed in claim 1, it is characterized in that, coal-ethylene glycol waste material enters lightness-removing column (1) by waste material input channel (2), by this tower by the light constituent methyl alcohol in raw material, methylcarbonate, second alcohol and water is steamed out from tower top, from lightness-removing column tower top pipeline (4), flow out, boiling point is greater than the component of 100 ℃ and flows to one-level rectifying tower (7) by lightness-removing column tower bottom pipeline (5), through one-level rectifying tower (7), boiling point is less than the component of 165 ℃ from tower top process one-level rectifying tower push pipe road (16) outflow, boiling point is greater than the component of 165 ℃ and goes out from tower bottom flow, from discharging pipeline (6) at the bottom of one-level rectifying tower, flow out, when feed coal preparing ethylene glycol waste material mid-boiling point is greater than the constituent mass mark of 260 ℃ and is greater than 1%, successively by one-level rectifying tower condenser (13) and one-level rectifying tower hold-up vessel (19), then enter two-stage rectification tower (10), boiling point is less than the component of 165 ℃ and flows out from tower top, successively by two-stage rectification tower condenser (11) and two-stage rectification tower return tank (12), at the bottom of tower, boiling point is greater than the component of 165 ℃ and flows to container for storing liquid (9) by two-stage rectification tower tower bottom pipeline (17), from container for storing liquid (9), enter to stirring tank (15), in stirring tank (15), inject by weight 20 parts of deionized waters again, 0.01 part of polyacrylic ester, 1 part of Sodium Nitrite, 2 parts of Sodium phosphate dibasics, 0.001 part of 0.1 part of methacrylic ester and Methylene blue, be stirred to completely and dissolve, obtain engine coolant.
5. with coal-ethylene glycol waste material, prepare according to claim 4 the technique of engine coolant, it is characterized in that, described at the bottom of one-level rectifying tower discharging pipeline (6), when containing boiling point being greater than the cut of 260 ℃ in the discharging cut at the bottom of one-level rectifying tower, close the first valve leading on container for storing liquid (9) pipeline, open the second valve leading on system battery limit (BL) external pipeline, when not containing boiling point being greater than the cut of 260 ℃ in the cut at the bottom of one-level rectifying tower, open the first valve (20) leading on container for storing liquid (9) pipeline, close the second valve (21) leading on system battery limit (BL) external pipeline.
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Cited By (3)
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| CN108997085A (en) * | 2018-07-11 | 2018-12-14 | 高化学（江苏）化工新材料有限责任公司 | The recovery method and recovery system of by-product in a kind of dimethyl oxalate synthesis technology |
| CN109701995A (en) * | 2019-01-25 | 2019-05-03 | 程月刚 | A kind of preparation method using the production coal washing agent of alcohol waste material |
| CN115124977A (en) * | 2022-02-22 | 2022-09-30 | 河北工业大学 | Antifreezing solution prepared from products obtained after vacuum distillation of coal-to-ethylene glycol byproducts |
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| CN109701995B (en) * | 2019-01-25 | 2021-09-24 | 程月刚 | Preparation method for producing coal washing agent by using alcohol waste |
| CN115124977A (en) * | 2022-02-22 | 2022-09-30 | 河北工业大学 | Antifreezing solution prepared from products obtained after vacuum distillation of coal-to-ethylene glycol byproducts |
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| CN103694966B (en) | 2016-08-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Inventor after: Gao Heng Inventor after: Li Yun Inventor after: Li Li Inventor after: Liu Tao Inventor after: Jing Minzhe Inventor after: Liu Hongjian Inventor after: Li Changfeng Inventor after: Wang Ke Inventor after: Xu Yaohui Inventor after: Huang Zhenzhen Inventor after: Wang Shaofeng Inventor after: Yan Zhenhua Inventor before: Gao Heng Inventor before: Jing Minzhe Inventor before: Liu Hongjian Inventor before: Li Changfeng Inventor before: Wang Ke Inventor before: Xu Yaohui Inventor before: Huang Zhenzhen Inventor before: Yan Zhenhua |
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