CN214861255U - Device for separating industrial salt and polyglycerol from glycerol residues - Google Patents
Device for separating industrial salt and polyglycerol from glycerol residues Download PDFInfo
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- CN214861255U CN214861255U CN202121516976.6U CN202121516976U CN214861255U CN 214861255 U CN214861255 U CN 214861255U CN 202121516976 U CN202121516976 U CN 202121516976U CN 214861255 U CN214861255 U CN 214861255U
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Abstract
The embodiment of the utility model provides a device of glycerine sediment separation industry salt and polyglycerol, include: the feeding kettle is used for accommodating glycerol slag generated by refining and distilling glycerol and cooling the glycerol slag in the feeding kettle; the centrifuge is connected with the bottom of the feeding kettle, so that the glycerol slag cooled in the feeding kettle enters the centrifuge; the first receiving groove is connected with the solid phase outlet of the centrifuge and is used for receiving the solid phase separated by the centrifuge; the standing tank is connected with a liquid phase outlet of the centrifuge so that a liquid phase separated by the centrifuge enters the standing tank; the evaporator is used for receiving the liquid phase separated by standing from the standing tank and evaporating the liquid phase to separate the glycerin and the polyglycerol; and the second receiving groove is connected with the bottom of the standing tank and is used for receiving the solid phase separated by standing of the standing tank. The device effectively retrieves glycerine and byproduct polyglycerol and industrial salt, avoids the waste of resource.
Description
Technical Field
The utility model relates to a separator of accessory substance in the course of refining crude glycerine, concretely relates to device of glycerine sediment separation industry salt and polyglycerol.
Background
Raw materials used by the glycerol refining device are crude glycerol, and the main components of the glycerol are glycerol, water, polyglycerol and a small amount of fatty acid and salt. The refining process of glycerin mainly comprises drying, distilling, deodorizing and decoloring to obtain glycerin with purity of 99.5%.
During the distillation, the glycerin in the distillation tower is continuously distilled, and a large amount of non-distillation components (residues) such as salt and polymerized glycerin are enriched in the circulating glycerin phase. To a certain extent, this "thickener" content can lead to line blockages, so that it is necessary to continuously withdraw from the distillation section a glycerol sludge formed by salts, polyglycerol and the like. The glycerol residue is treated as a dangerous waste product, which not only causes resource waste and environmental pollution of partial glycerol and polyglycerol, but also increases production cost.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, an object of the embodiments of the present invention is to provide a device for separating industrial salt from polyglycerol by glycerol residues, which has a good separation effect and is simple to operate.
The embodiment of the utility model provides a technical scheme who adopts is, a device of glycerine sediment separation industrial salt and polymerization glycerine, include:
the feeding kettle is used for accommodating glycerol slag generated by refining and distilling glycerol and cooling the glycerol slag in the feeding kettle;
the centrifuge is connected with the bottom of the feeding kettle, so that the glycerol slag cooled in the feeding kettle enters the centrifuge;
a first receiving tank connected to the solid phase outlet of the centrifuge for receiving the solid phase separated by the centrifuge;
a standing tank connected with a liquid phase outlet of the centrifuge so that the liquid phase separated by the centrifuge enters the standing tank;
an evaporator for receiving the liquid phase separated from the still standing tank and evaporating the liquid phase to separate glycerin and polyglycerol;
and the second receiving groove is connected with the bottom of the standing tank and is used for receiving the solid phase separated by standing of the standing tank.
In some embodiments, the apparatus further comprises a desalting intermediate tank connected between the standing tank and the evaporator, wherein the middle upper part of the desalting intermediate tank is connected with the upper part of the standing tank so that the liquid phase still separated in the standing tank enters the desalting intermediate tank, and the middle lower part of the desalting intermediate tank is connected with the upper part of the evaporator so that the liquid phase in the desalting intermediate tank enters the evaporator.
In some embodiments, the height of the centrifuge is lower than the height of the feed tank, so that the cooled glycerin residue in the feed tank flows into the centrifuge by gravity.
In some embodiments, the height of the settling tank is less than the height of the centrifuge such that the liquid phase separated by the centrifuge flows into the settling tank by gravity.
In some embodiments, a vacuum system is coupled to the evaporator for drawing a vacuum within the evaporator.
In some embodiments, the apparatus further comprises a polymerized glycerin tank located below the evaporator, the polymerized glycerin tank being connected to the bottom of the evaporator for holding polymerized glycerin within the bottom of the evaporator.
In some embodiments, a stirring paddle is disposed within the feed tank for stirring the material within the feed tank.
In some embodiments, the evaporator is a thin film evaporator.
In some embodiments, the centrifuge is a dual stage pusher centrifuge.
In some embodiments, a pump is arranged on a pipeline connecting the desalting intermediate tank and the evaporator, and the pump is used for pumping the liquid phase in the desalting intermediate tank into the evaporator.
Compared with the prior art, the device for separating industrial salt and polyglycerol from glycerol residues provided by the embodiment of the utility model has the beneficial effects that:
1. the operation cost of the device is effectively reduced;
2. the yield of the glycerol is effectively improved, and the byproduct polyglycerol and industrial salt resources are utilized;
3. good separation effect, simple operation and environmental protection.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.
The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.
FIG. 1 is a schematic diagram of an apparatus for separating industrial salt from polyglycerol by glycerol dregs according to an embodiment of the present invention.
Reference numerals:
1-a feeding kettle; 2-a centrifuge; 3-a first receiving groove; 4-standing the tank; 5-an evaporator; 6-a second receiving groove; 7-desalting intermediate tank; 8-a polyglycerin tank; 9-stirring paddle; 10-a pump; 11-valve.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
The embodiment of the utility model provides a device of glycerine sediment separation industrial salt and polyglycerol. As shown in fig. 1, the apparatus includes a feed tank 1, a centrifuge 2, a first receiving tank 3, a standing tank 4, an evaporator 5, and a second receiving tank 6; the feeding kettle 1 is used for accommodating glycerol slag generated by glycerol refining distillation, and the feeding kettle 1 is provided with a cooling part for cooling the glycerol slag in the feeding kettle 1, for example, the glycerol slag at 160 ℃ is cooled to 85 ℃ so as to be beneficial to the treatment of the glycerol slag in the subsequent process and prevent the glycerol slag at high temperature from being inconvenient for the separation of salt and oil. Centrifuge 2 is connected with the bottom of feed kettle 1, and the glycerine sediment after the cooling in feed kettle 1 gets into centrifuge 2 and carries out centrifugal separation. The centrifuge 2 has a solid phase outlet and a liquid phase outlet, and the first receiving tank 3 is connected to the solid phase outlet of the centrifuge 2 so that the solid phase (salt) separated by the centrifuge 2 enters the first receiving tank 3, and the first receiving tank 3 is used for receiving the solid phase separated by the centrifuge 2. The standing tank 4 is connected with a liquid phase outlet of the centrifuge 2, so that the liquid phase separated by the centrifuge 2 enters the standing tank 4, and the liquid phase stands in the standing tank 4 to further separate the liquid phase and the solid phase. The evaporator 5 is used for receiving the liquid phase separated from the standing tank 4 by standing and evaporating the liquid phase to separate the glycerol and the polyglycerol. The second receiving groove 6 is connected with the bottom of the standing tank 4 and is used for receiving the solid phase (salt) separated by standing of the standing tank 4.
The utility model discloses device of glycerine sediment separation industrial salt and polyglycerol is better to the separation effect of glycerine sediment, the effectual yield that has improved glycerine and the utilization of resources of byproduct polyglycerol and industrial salt, and the operation cost of device is lower, and easy operation, and environment-friendly.
In some embodiments, the apparatus further comprises a desalting intermediate tank 7, and the desalting intermediate tank 7 is connected between the standing tank 4 and the evaporator 5, that is, the evaporator 5 is not directly connected with the standing tank 4, but is connected with the standing tank 4 through the desalting intermediate tank 7, so that the liquid phase in the standing tank 4 firstly enters the desalting intermediate tank 7, and then enters the evaporator 5 after being rested for a second time in the desalting intermediate tank 7. Specifically, as shown in fig. 1, the middle upper part of the desalting intermediate tank 7 is connected to the upper part of the standing tank 4 so that the liquid phase that has been separated by standing in the standing tank 4 enters the desalting intermediate tank 7, and the middle lower part of the desalting intermediate tank 7 is connected to the upper part of the evaporator 5 so that the liquid phase in the desalting intermediate tank 7 enters the evaporator 5.
With continued reference to fig. 1, the inlet of the desalting intermediate tank 7 (the position where the desalting intermediate tank 7 is used to be connected with the standing tank 4) and the outlet of the desalting intermediate tank 7 (the position where the desalting intermediate tank 7 is used to be connected with the evaporator 5) may be respectively located at different sides of the desalting intermediate tank 7, so as to prevent the material which has just entered the desalting intermediate tank 7 from being discharged to the evaporator 5, which affects the settling effect.
In some embodiments, as shown in fig. 1, the height of the centrifuge 2 is lower than the height of the feed tank 1, so that the cooled glycerin residue in the feed tank 1 flows into the centrifuge 2 by gravity. The arrangement mode can save the use of power sources such as pumps and the like, and save the cost.
In some embodiments, with continued reference to fig. 1, the height of the resting tank 4 is less than the height of the centrifuge 2, such that the liquid phase separated by the centrifuge 2 flows by gravity into the resting tank 4. The arrangement mode can save the use of power sources such as pumps and the like, and save the cost.
In some embodiments, the evaporator 5 may be connected to a vacuum system (not shown) for drawing a vacuum in the evaporator 5. By providing the vacuum system, the glycerin and the polyglycerol are separated by the evaporator 5 under vacuum, and the separation efficiency of the evaporator 5 can be improved.
The evaporator 5 can be a thin film evaporator which has the advantages of high heat transfer efficiency, high evaporation speed and short material retention time, the liquid material passes through the surface with steam heating to ensure that the glycerin contained in the liquid material is completely evaporated, the evaporation efficiency is high, and the evaporated glycerin is sent to the glycerin refining unit from the upper part of the thin film evaporator.
The device for separating industrial salt from polyglycerol by glycerol residues provided by the embodiment of the utility model further comprises a polyglycerol tank 8, wherein the polyglycerol tank 8 is positioned below the evaporator 5, and the polyglycerol tank 8 is connected with the bottom of the evaporator 5 and is used for containing polyglycerol separated from the bottom of the evaporator 5.
Continuing to combine with fig. 1, be equipped with stirring rake 9 in the feeding cauldron 1, stirring rake 9 is used for stirring the material in the feeding cauldron 1 to accelerate the cooling of glycerine sediment. The cooling unit of the feed tank 1 may be, for example, a coil pipe arranged outside the feed tank 1, and a cooling medium is introduced into the coil pipe. Through setting up stirring rake 9, can accelerate the flow of glycerine sediment, make the glycerine sediment at 1 middle part of feeding cauldron edge of feeding cauldron 1 that flows to carry out the heat transfer with the coolant in the coil, improve heat exchange efficiency, accelerate the cooling.
In some embodiments, as shown in FIG. 1, the centrifuge 2 may employ a dual stage pusher centrifuge 2. The two-stage pusher centrifuge 2 has high separation efficiency and utilizes the separation of industrial salt and oil.
With continued reference to fig. 1, a pump 10 is disposed on a pipeline connecting the desalting intermediate tank 7 and the evaporator 5, and the pump 10 is used for sending the liquid phase in the desalting intermediate tank 7 to the evaporator 5 through the pump 10. In addition, valves 11 are respectively arranged on a pipeline connecting the feeding kettle 1 and the centrifuge 2, a pipeline between the centrifuge 2 and the standing tank 4, a pipeline discharging a solid phase from the bottom of the standing tank 4 to the second receiving tank 6, and a pipeline discharging polyglycerol from the bottom of the evaporator 5 to the polyglycerol tank 8, so as to cut off or conduct the pipelines and control the conveying of materials according to production requirements.
The utility model discloses device of glycerine sediment separation industrial salt and polyglycerol of embodiment has solved the waste of glycerine sediment among the prior art, environmental pollution and the high problem of processing cost, has reduced the operation cost effectively, separates effectually, the effectual yield that has improved glycerine and the resource utilization of by-product polyglycerol and industrial salt. And the device is simple to operate and environment-friendly.
The above description is intended to be illustrative, and not restrictive, and variations, modifications, substitutions, and alterations may be made to the above-described embodiments by those of ordinary skill in the art within the scope of the present disclosure. Also, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
Claims (10)
1. A device for separating industrial salt from polyglycerol by glycerol slag is characterized by comprising:
the feeding kettle is used for accommodating glycerol slag generated by refining and distilling glycerol and cooling the glycerol slag in the feeding kettle;
the centrifuge is connected with the bottom of the feeding kettle, so that the glycerol slag cooled in the feeding kettle enters the centrifuge;
a first receiving tank connected to the solid phase outlet of the centrifuge for receiving the solid phase separated by the centrifuge;
a standing tank connected with a liquid phase outlet of the centrifuge so that the liquid phase separated by the centrifuge enters the standing tank;
an evaporator for receiving the liquid phase separated from the still standing tank and evaporating the liquid phase to separate glycerin and polyglycerol;
and the second receiving groove is connected with the bottom of the standing tank and is used for receiving the solid phase separated by standing of the standing tank.
2. The apparatus for separating industrial salt from polyglycerol according to claim 1, wherein the apparatus further comprises a desalting intermediate tank connected between the still tank and the evaporator, wherein the middle upper part of the desalting intermediate tank is connected to the upper part of the still tank so that the liquid phase still separated in the still tank enters the desalting intermediate tank, and the middle lower part of the desalting intermediate tank is connected to the upper part of the evaporator so that the liquid phase in the desalting intermediate tank enters the evaporator.
3. The apparatus for separating industrial salt from polyglycerol according to claim 1, wherein the height of the centrifuge is lower than the height of the feed tank, so that the glycerol residue after cooling in the feed tank flows into the centrifuge by gravity.
4. The apparatus for separating industrial salt from polyglycerin according to claim 1, wherein the height of said settling tank is lower than the height of said centrifuge so that the liquid phase separated by said centrifuge flows into said settling tank by gravity.
5. The apparatus for separating industrial salt from polyglycerol according to claim 1, wherein the evaporator is connected to a vacuum system for evacuating the inside of the evaporator.
6. The apparatus for separating industrial salt from polyglycerol according to claim 1, wherein the apparatus further comprises a polyglycerol tank located below the evaporator, the polyglycerol tank being connected to the bottom of the evaporator for receiving polyglycerol in the bottom of the evaporator.
7. The apparatus for separating industrial salt from polyglycerol according to claim 1, wherein a stirring paddle is provided in the feeding tank for stirring the materials in the feeding tank.
8. The apparatus for separating industrial salt from polyglycerol according to claim 1, wherein the evaporator is a thin film evaporator.
9. The apparatus for separating industrial salt from polyglycerol according to claim 1, wherein the centrifuge is a two-stage pusher centrifuge.
10. The apparatus for separating industrial salt from polyglycerol according to claim 2, wherein a pump is provided on a pipeline connecting the desalting intermediate tank and the evaporator, and the pump is used for pumping the liquid phase in the desalting intermediate tank into the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516976.6U CN214861255U (en) | 2021-07-05 | 2021-07-05 | Device for separating industrial salt and polyglycerol from glycerol residues |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516976.6U CN214861255U (en) | 2021-07-05 | 2021-07-05 | Device for separating industrial salt and polyglycerol from glycerol residues |
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| CN214861255U true CN214861255U (en) | 2021-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773159A (en) * | 2022-04-14 | 2022-07-22 | 龙岩卓越生物基材料有限公司 | Method for treating slag in glycerol production by using biodiesel byproduct crude glycerol |
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2021
- 2021-07-05 CN CN202121516976.6U patent/CN214861255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773159A (en) * | 2022-04-14 | 2022-07-22 | 龙岩卓越生物基材料有限公司 | Method for treating slag in glycerol production by using biodiesel byproduct crude glycerol |
| CN114773159B (en) * | 2022-04-14 | 2024-05-03 | 龙岩卓越生物基材料有限公司 | Treatment method of slag during glycerol production by using biodiesel byproduct crude glycerol |
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Denomination of utility model: Device for separating industrial salt and polymeric glycerol from glycerol residue Effective date of registration: 20230829 Granted publication date: 20211126 Pledgee: TANGSHAN BANK Co.,Ltd. Pledgor: TANGSHAN XUYANG CHEMICAL CO.,LTD. Registration number: Y2023980054489 |