阅读说明：本技术 一种植物油炼化生产线的余热再利用系统 (Waste heat recycling system of vegetable oil refining production line ) 是由 肖联忠 于 2019-11-26 设计创作，主要内容包括：本发明公开了一种植物油炼化生产线的余热再利用系统,涉及植物油炼化领域,包括：余热收集模块,用于将植物油炼化生产线上的加热模块所产生的热能进行收集；植物油炼化生产线模块,用于准确分析生产线上的具体用热环节,和具体的加热温度和媒介；余热利用模块,用于将收集到的余热进行二次利用。本发明通过设置的余热收集模块,实现了可以将植物油炼化生产线模块上的加热环节进行换热,包括脱酸模块、炼碱模块、氢化模块、酯化模块和脱臭模块,准确分析各个加热环节的温度高低,然后换热模块根据不同的加热环节具体温度进行换热利用,将生产线上的余热进行生产生活利用,避免热能浪费。(The invention discloses a waste heat recycling system of a vegetable oil refining production line, which relates to the field of vegetable oil refining and comprises the following components: the waste heat collecting module is used for collecting heat energy generated by a heating module on the vegetable oil refining production line; the vegetable oil refining production line module is used for accurately analyzing specific heat utilization links on a production line and specific heating temperature and medium; and the waste heat utilization module is used for carrying out secondary utilization on the collected waste heat. According to the invention, through the arranged waste heat collecting module, the heating links on the vegetable oil refining production line module can be subjected to heat exchange, the heating links comprise a deacidification module, an alkali refining module, a hydrogenation module, an esterification module and a deodorization module, the temperature of each heating link is accurately analyzed, then the heat exchange module is subjected to heat exchange utilization according to the specific temperatures of different heating links, the waste heat on the production line is subjected to production and living utilization, and the waste of heat energy is avoided.)

1. The utility model provides a waste heat recycling system of vegetable oil refining production line which characterized in that includes:

the waste heat collecting module is used for collecting heat energy generated by a heating module on the vegetable oil refining production line;

the vegetable oil refining production line module is used for accurately analyzing specific heat utilization links on a production line and specific heating temperature and medium;

and the waste heat utilization module is used for carrying out secondary utilization on the collected waste heat.

2. The system for recycling waste heat of a vegetable oil refining production line according to claim 1, wherein: the vegetable oil refining production line module comprises a crude oil filtering module, a degumming module, a deacidification module, an alkali refining module, a hydrogenation module, an esterification module and a deodorization module.

3. The system for recycling waste heat of a vegetable oil refining production line according to claim 2, wherein: the deacidification module comprises a heating and introducing module, the heating medium introducing module comprises a medium temperature heating medium module, the medium temperature heating medium module refers to 50 ℃ hot water or steam, the alkali refining module comprises a warming and charging module, the warming and charging module comprises a medium temperature heating module, and the medium temperature heating module refers to 60-90 ℃ of temperature rise in a pot and then reaches 114 ℃.

4. The system for recycling waste heat of a vegetable oil refining production line according to claim 2, wherein: the hydrogenation module comprises a pressurizing and heating module and a heat-preserving module, the pressurizing and heating module comprises a heating module, the heating module is used for heating and preserving heat for two hours at the temperature of 95-135 ℃, the deodorization module comprises a pressurizing and heating module, the pressurizing and heating module comprises a high-temperature heating module, and the high-temperature heating module is used for heating and distilling by the aid of the steam distillation tower 240-270.

5. The system for recycling waste heat of a vegetable oil refining production line according to claim 1, wherein: the waste heat collection module is including middle temperature collection module and high temperature collection module, and middle temperature collection module is including coil pipe heat exchange module, direct emission module and heat transfer heating module, coil pipe heat exchange module is including directly using, direct emission module is including steam filtering module and hot water filtering module, and steam filtering module is including impurity filtering module and oil stain filtering module, hot water filtering module is including impurity filtering module and oil stain filtering module, heat transfer heating module is including the high temperature heat supply.

6. The system of claim 5, wherein the system further comprises: the high-temperature collecting module comprises a coil heat exchange module and a heat exchange heating module, the coil heat exchange module is directly used, and the heat exchange heating module is used for heat preservation.

7. The system for recycling the waste heat of the vegetable oil refining production line according to claim 1, comprising the steps of:

the method comprises the following steps: the waste heat collecting module can preheat and collect a module needing to be heated on a vegetable oil refining production line module, a coil is utilized to exchange heat for a heat medium in a deacidification module, the heat medium in the deacidification module belongs to a medium-temperature heat medium, so that the deacidification module can be divided into two use modes, one mode is that the heat medium is directly used after heat exchange, cold water is utilized for heat exchange, the medium-temperature water after heat exchange is used as domestic water for winter production and washing, one part of the heat medium is hot steam and hot water which are directly added into a production link, so that the heat medium cannot be directly utilized, for example, the heat medium in the deacidification module has low utilization value and can be discharged, the heat medium needs to be filtered in the discharging process, the steam and the hot water both need to be subjected to impurity filtration and oil stain filtration, and the other part of the heat medium with high temperature and can be heated and then continuously put into the production link, such;

step two: the high-temperature collection module in the waste heat collection module can utilize a coil pipe for heat exchange, and the high-temperature medium and the warming medium are subjected to heat exchange and then put into domestic water, for example, an esterification module can utilize cold water for heat exchange, one hundred degrees of hot water is put into bathing life in a staff dormitory, a hot water living pipeline is opened, the hot water is stored and kept warm, and the hot water pipeline is directly connected with the staff dormitory;

step three: the temperature of the hydrogenation module in the high-temperature collection module is higher, after the waste heat utilization coil pipe exchanges heat, the waste heat utilization coil pipe can be directly communicated to the deodorization module, a heat preservation water jacket is arranged on the outer side of the deodorization tank, and high-temperature hot water after the heat exchange of the hydrogenation module can be preheated and heated and preserved for the deodorization pipe.

8. The system of claim 7, wherein the system further comprises: hot water in the deacidification module after heat exchange through a heating medium can be introduced into a water jacket on the outer side of the alkali refining pipe to preserve heat and preheat the alkali refining pipe.

9. The system for recycling waste heat of a vegetable oil refining production line according to claim 1, wherein: the hot water after heat exchange through the heating medium in the alkali refining module can be introduced into a water jacket on the outer side of the esterification tank to carry out heat preservation and preheating on the hot water.

Technical Field

The invention relates to the field of vegetable oil refining, in particular to a waste heat recycling system of a vegetable oil refining production line.

Background

Vegetable oil is a compound obtained by combining unsaturated fatty acid and glycerol, is widely distributed in nature, is oil obtained from fruits, seeds and germs of plants, such as peanut oil, soybean oil, linseed oil, castor oil, rapeseed oil and the like, is mainly composed of ester formed by linear high fatty acid and glycerol, and contains various unsaturated acids such as erucic acid, eleostearic acid, ricinoleic acid and the like besides palmitic acid, stearic acid and oleic acid. The vegetable oil mainly contains vitamin E, K, minerals such as calcium, iron, phosphorus, potassium, etc., and fatty acid. The fatty acid in the vegetable oil can moisten and luster the skin.

There can be many refining links on the current vegetable oil refining production line and need heat, and these heat energy do not collect it at the later stage and lead to heat energy waste, and the heating link on the refining production line all needs to heat again at every turn, leads to the electric energy waste.

Disclosure of Invention

The invention aims to: in order to solve the problems that a plurality of refining links need to be heated on the existing vegetable oil refining production line, the heat energy is not collected at the later stage, so that the heat energy is wasted, and the heating links on the refining production line need to be reheated every time, so that the electric energy is wasted, the waste heat recycling system of the vegetable oil refining production line is provided.

In order to achieve the purpose, the invention provides the following technical scheme: a waste heat recycling system of a vegetable oil refining production line comprises:

the waste heat collecting module is used for collecting heat energy generated by a heating module on the vegetable oil refining production line;

the vegetable oil refining production line module is used for accurately analyzing specific heat utilization links on a production line and specific heating temperature and medium;

and the waste heat utilization module is used for carrying out secondary utilization on the collected waste heat.

Preferably, the vegetable oil refining production line module comprises a crude oil filtering module, a degumming module, a deacidification module, an alkali refining module, a hydrogenation module, an esterification module and a deodorization module.

Preferably, the deacidification module comprises a heating and introducing module, the heating medium introducing module comprises a medium temperature heating medium module, the medium temperature heating medium module refers to 50 ℃ hot water or steam, the alkali refining module comprises a warming and feeding module, the warming and feeding module includes a medium temperature heating module, and the medium temperature heating module refers to 60-90 ℃ temperature rise in the pot and then 114 ℃.

Preferably, the hydrogenation module comprises a pressurization and temperature rise module and a heat preservation module, the pressurization and temperature rise module comprises a temperature rise heating module, the temperature rise heating module refers to heating and heat preservation at 95-135 ℃ for two hours, the deodorization module comprises a pressurization and temperature rise module, the pressurization and temperature rise module comprises a high temperature heating module, and the high temperature heating module refers to heating and distillation at 240-.

Preferably, the waste heat collection module is including middle temperature collection module and high temperature collection module, and middle temperature collection module is including coil pipe heat transfer module, direct emission module and heat transfer heating module, coil pipe heat transfer module is including directly using, direct emission module is including steam filtering module and hot water filtering module, and steam filtering module is including impurity filtering module and oil stain filtering module, hot water filtering module is including impurity filtering module and oil stain filtering module, heat transfer heating module is including the high temperature heat supply.

Preferably, the high-temperature collection module comprises a coil heat exchange module and a heat exchange heating module, the coil heat exchange module is directly used, and the heat exchange heating module is used for heat preservation.

Preferably, the method comprises the following steps:

the method comprises the following steps: the waste heat collecting module can preheat and collect a module needing to be heated on a vegetable oil refining production line module, a coil is utilized to exchange heat for a heat medium in a deacidification module, the heat medium in the deacidification module belongs to a medium-temperature heat medium, so that the deacidification module can be divided into two use modes, one mode is that the heat medium is directly used after heat exchange, cold water is utilized for heat exchange, the medium-temperature water after heat exchange is used as domestic water for winter production and washing, one part of the heat medium is hot steam and hot water which are directly added into a production link, so that the heat medium cannot be directly utilized, for example, the heat medium in the deacidification module has low utilization value and can be discharged, the heat medium needs to be filtered in the discharging process, the steam and the hot water both need to be subjected to impurity filtration and oil stain filtration, and the other part of the heat medium with high temperature and can be heated and then continuously put into the production link, such;

step two: the high-temperature collection module in the waste heat collection module can utilize a coil pipe for heat exchange, and the high-temperature medium and the warming medium are subjected to heat exchange and then put into domestic water, for example, an esterification module can utilize cold water for heat exchange, one hundred degrees of hot water is put into bathing life in a staff dormitory, a hot water living pipeline is opened, the hot water is stored and kept warm, and the hot water pipeline is directly connected with the staff dormitory;

step three: the temperature of the hydrogenation module in the high-temperature collection module is higher, after the waste heat utilization coil pipe exchanges heat, the waste heat utilization coil pipe can be directly communicated to the deodorization module, a heat preservation water jacket is arranged on the outer side of the deodorization tank, and high-temperature hot water after the heat exchange of the hydrogenation module can be preheated and heated and preserved for the deodorization pipe.

Preferably, hot water in the deacidification module after heat exchange through a heating medium can be introduced into a water jacket on the outer side of the alkali refining pipe to preserve heat and preheat the alkali refining pipe.

Preferably, hot water in the alkali refining module after heat exchange through a heating medium can be introduced into a water jacket on the outer side of the esterification tank to preserve heat and preheat the hot water.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the waste heat collection module is arranged, so that the heating links on the vegetable oil refining production line module can be subjected to heat exchange, the heating links comprise a deacidification module, an alkali refining module, a hydrogenation module, an esterification module and a deodorization module, the temperature of each heating link is accurately analyzed, then the heat exchange module is subjected to heat exchange utilization according to the specific temperatures of different heating links, the waste heat on the production line is subjected to production and living utilization, and the waste of heat energy is avoided;

2. according to the invention, through the arranged waste heat utilization module, the waste heat on the production line is collected and then utilized, and the low-temperature waste heat is used for preheating and insulating the tank body to be heated through temperature rise, so that the tank body to be heated does not need to be reheated in a heating link, and due to the preheating link, the starting point of the heating temperature is higher, the consumed electric energy is less, the purpose of saving the electric energy can be achieved, and the electric energy waste is reduced.

Drawings

FIG. 1 is a system flow diagram of the present invention;

FIG. 2 is a flow chart of the waste heat collection module of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a system for recycling waste heat of a vegetable oil refining production line includes:

the waste heat collecting module is used for collecting heat energy generated by a heating module on the vegetable oil refining production line;

the vegetable oil refining production line module is used for accurately analyzing specific heat utilization links on a production line and specific heating temperature and medium;

and the waste heat utilization module is used for carrying out secondary utilization on the collected waste heat.

This waste heat collection module through setting up has realized can carrying out the heat transfer with the heating link in the vegetable oil refining production line module, including deacidification module, alkali refining module, hydrogenation module, esterification module and deodorization module, the temperature height of each heating link of accurate analysis, then heat transfer module carries out the heat transfer according to the specific temperature of the heating link of difference and utilizes, produces life with the waste heat on the production line and utilizes, avoids the heat energy extravagant.

Please refer to fig. 1, the vegetable oil refining line module includes a crude oil filtering module, a degumming module, a deacidification module, an alkali refining module, a hydrogenation module, an esterification module and a deodorization module, and the vegetable oil can be refined through these steps to obtain the product oil.

Please refer to fig. 1, the deacidification module includes a heating inlet module, the heating medium inlet module includes a medium temperature heating medium module, the medium temperature heating medium module refers to 50 ℃ hot water or steam, the alkali refining module includes a warming inlet module, the warming inlet module includes a medium temperature heating module, the medium temperature heating module refers to 60-90 ℃ temperature rise in the pot, then 114 ℃, the residual heat in the deacidification module is through the heating medium, so the later heat exchange is to exchange heat for the heating medium, and because the residual heat belongs to the medium temperature heating medium, a part of the residual heat may not be used, and only can be discharged after being filtered.

Please refer to fig. 1, the hydrogenation module includes a temperature increasing module and a temperature maintaining module, the temperature increasing module includes a temperature increasing and heating module, the temperature increasing and heating module refers to heating at 95-135 ℃ for two hours, the deodorization module includes a temperature increasing and pressurizing module, the temperature increasing and pressurizing module includes a high temperature heating module, the high temperature heating module refers to 240-plus 270 heating distillation, each module to be heated is carefully analyzed, the temperature to be heated can be accurately known, and the waste heat at different temperatures in the later period can be conveniently utilized.

Please refer to fig. 2, the waste heat collecting module includes a medium temperature collecting module and a high temperature collecting module, and the medium temperature collecting module includes a coil heat exchanging module, a direct discharging module and a heat exchanging and heating module, the coil heat exchanging module includes direct use, the direct discharging module includes a steam filtering module and a hot water filtering module, and the steam filtering module includes an impurity filtering module and an oil stain filtering module, the hot water filtering module includes an impurity filtering module and an oil stain filtering module, the heat exchanging and heating module includes high temperature heat supply, in the process of coil heat exchanging, the coil is made of red copper material, and the internal heat exchanging medium is water.

Please refer to fig. 1, the high temperature collecting module includes a coil heat exchanging module and a heat exchanging and heating module, the coil heat exchanging module is directly used, the heat exchanging and heating module includes heat preservation and utilization, and the heat preservation and utilization in the high temperature collecting module means that the high temperature waste heat can be temporarily collected and then stored, and then put into use in a short time.

Please refer to fig. 1 and fig. 2, which includes the following steps:

the method comprises the following steps: the waste heat collecting module can preheat and collect a module needing to be heated on a vegetable oil refining production line module, a coil is utilized to exchange heat for a heat medium in a deacidification module, the heat medium in the deacidification module belongs to a medium-temperature heat medium, so that the deacidification module can be divided into two use modes, one mode is that the heat medium is directly used after heat exchange, cold water is utilized for heat exchange, the medium-temperature water after heat exchange is used as domestic water for winter production and washing, one part of the heat medium is hot steam and hot water which are directly added into a production link, so that the heat medium cannot be directly utilized, for example, the heat medium in the deacidification module has low utilization value and can be discharged, the heat medium needs to be filtered in the discharging process, the steam and the hot water both need to be subjected to impurity filtration and oil stain filtration, and the other part of the heat medium with high temperature and can be heated and then continuously put into the production link, such;

step two: the high-temperature collection module in the waste heat collection module can utilize a coil pipe for heat exchange, and the high-temperature medium and the warming medium are subjected to heat exchange and then put into domestic water, for example, an esterification module can utilize cold water for heat exchange, one hundred degrees of hot water is put into bathing life in a staff dormitory, a hot water living pipeline is opened, the hot water is stored and kept warm, and the hot water pipeline is directly connected with the staff dormitory;

step three: the temperature of hydrogenation module is higher in the high temperature collection module, after the waste heat utilization coil pipe heat transfer, can communicate it directly in the deodorization module, the outside of deodorization jar is provided with the heat preservation water jacket, high temperature hot water after the hydrogenation module heat transfer can preheat the intensification and keep warm for the deodorization pipe, through the waste heat utilization module that sets up, realized collecting the back with the waste heat on the production line, utilize the waste heat again, preheat the jar body that needs the heating through the intensification with the low temperature waste heat and keep warm, make the link that needs the intensification heating unnecessary reheating, because there is the preheating link, so heating temperature's starting point is higher, the electric energy of consumption is less, can play the purpose of practicing thrift the electric energy, it is extravagant to reduce the electric energy.

Please refer to fig. 2, the hot water in the deacidification module after heat exchange with the heating medium can be introduced into the water jacket outside the alkali refining pipe for heat preservation and preheating, and the water jackets for preheating and heating are arranged outside the tank body of the module to be heated.

Please refer to fig. 2, hot water after heat exchange through a heating medium in the alkali refining module can be introduced into a water jacket outside the esterification tank to preserve heat and preheat the hot water, low-temperature waste heat can be used for preheating after heating the high-temperature tank body, and high-temperature waste heat can also be used for preheating the low-temperature tank body.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.