Rapid extraction device and process for acidified oil
阅读说明：本技术 一种酸化油快速提取装置以及工艺 (Rapid extraction device and process for acidified oil ) 是由 单夫峰 田鸿基 朱超 于 2020-06-09 设计创作，主要内容包括：本发明涉及一种酸化油快速提取装置以及工艺,其中的酸化油快速提取装置,包括泡料池、分离罐、对分离罐内部液体进行加热的加热装置,以及设置在泡料池池边的第一循环泵和将泡料池内的液体输送至分离罐内的输送泵,第一循环泵的进液口连接有伸至泡料池液面以下的第一进液管,第一循环泵的出液口连接有伸至泡料池上方的第一出液管；分离罐上穿设有吸液管,分离罐上设有驱动吸液管沿竖向移动的驱动装置。本发明通过第一循环泵的作用使原料油在泡料池内与酸液进行充分混合和反应,实现初步中和,对原料油的酸化更加充分；通过卷筒的结构设置,创造性地利用线速度的差实现吸液管与阀板的同步移动,实现了成品油与酸化水、渣油的同时排放。(The invention relates to a device and a process for quickly extracting acidified oil, wherein the device for quickly extracting acidified oil comprises a foaming pool, a separation tank, a heating device for heating liquid in the separation tank, a first circulating pump arranged beside the foaming pool and a conveying pump for conveying the liquid in the foaming pool into the separation tank, wherein a liquid inlet of the first circulating pump is connected with a first liquid inlet pipe extending below the liquid level of the foaming pool, and a liquid outlet of the first circulating pump is connected with a first liquid outlet pipe extending above the foaming pool; the separating tank is provided with a liquid suction pipe in a penetrating way, and the separating tank is provided with a driving device for driving the liquid suction pipe to move vertically. According to the invention, the raw oil is fully mixed and reacted with the acid liquor in the material soaking pool under the action of the first circulating pump, so that preliminary neutralization is realized, and the raw oil is more fully acidified; through the structural arrangement of the winding drum, synchronous movement of the liquid suction pipe and the valve plate is creatively realized by utilizing the difference of linear speeds, and simultaneous discharge of the product oil, the acidified water and the residual oil is realized.)
1. A rapid extraction device for acidified oil is characterized in that: the device comprises a foaming pool (2), a separation tank (3), a heating device for heating liquid in the separation tank, a first circulating pump (1) arranged beside the foaming pool, and a conveying pump (23) for conveying the liquid in the foaming pool into the separation tank, wherein a liquid inlet of the first circulating pump is connected with a first liquid inlet pipe extending below the liquid level of the foaming pool, and a liquid outlet of the first circulating pump is connected with a first liquid outlet pipe extending above the foaming pool;
the lateral wall bottom of knockout drum is equipped with the drain hole, wears to be equipped with pipette (13) on the knockout drum, and the one end of pipette passes through oil absorption pump intercommunication finished product jar, and the other end extends in the knockout drum and is located the liquid level top in the knockout drum, is equipped with the drive arrangement that the drive pipette is located the one end of knockout drum along vertical migration on the knockout drum.
2. The device for rapidly extracting acidified oil as claimed in claim 1, wherein: still be equipped with second circulating pump (6) on the knockout drum, the inlet of second circulating pump passes through second feed liquor pipe (5) and the inside intercommunication of knockout drum, and the liquid outlet of second circulating pump passes through second drain pipe and the inside intercommunication of knockout drum.
3. The device for rapidly extracting acidified oil as claimed in claim 2, wherein: the second circulating pump sets up the upper surface at the knockout drum roof, and the second drain pipe passes the knockout drum roof downwards, and second feed liquor pipe (5) include with the person in charge of the inlet intercommunication of second circulating pump to and with being responsible for the intercommunication and along two at least branch pipes that the knockout drum height direction distributes, all install feed liquor valve (4) on the branch pipe, the branch pipe is kept away from the one end of being responsible for and the inside intercommunication of knockout drum.
4. The device for rapidly extracting acidified oil as claimed in claim 1, wherein: the heating device comprises a steam inlet pipe (7) which is fixed on the top plate of the separation tank in a penetrating way and a steam generating device which is communicated with the steam inlet pipe.
5. The device for rapidly extracting acidified oil as claimed in claim 1, wherein: the discharge hole comprises a rectangular discharge pipe (21) fixedly connected with the side wall of the separation tank in a sealing mode and communicated with the inside of the separation tank, a jack is formed in a top plate of the discharge pipe (21), a valve plate (20) matched with the section of an inner hole of the discharge pipe is inserted into the jack, a stand column located above the discharge pipe is fixedly connected to the top of the valve plate (20), and the stand column is connected with the discharge pipe (21) through a first spring (19).
6. The device for rapidly extracting acidified oil as claimed in claim 5, wherein: the side plate and the bottom plate of the discharging pipe are provided with sliding grooves matched with the valve plate, and two sides of the valve plate are fixedly connected with limiting tables (22) which are larger than the width of the inserting holes and the width of the sliding grooves.
7. The device for rapidly extracting acidified oil as claimed in claim 5, wherein: the driving device comprises a winding drum arranged at the top of the separation tank, a driving motor (8) for driving the winding drum to rotate and a vertical guide rail (15) fixedly arranged on the inner side of the side wall of the separation tank, wherein a balancing weight (14) fixedly connected with the pipette is connected onto the vertical guide rail in a sliding manner;
the winding drum comprises a first winding drum (9) and a second winding drum (10) which are coaxially and fixedly connected, and the diameter ratio of the first winding drum to the second winding drum is not less than 6: the pipette is wound on the first winding drum, the pull rope (11) with the lower end connected with the upright post is wound on the second winding drum, and the winding directions of the pull rope and the pipette are opposite.
8. The device for rapidly extracting acidified oil as claimed in claim 7, wherein: the stay cord comprises a first rope body wound on the second winding drum and a second rope body connected with the stand column, and the first rope body is connected with the second rope body through a second spring.
9. The device for rapidly extracting acidified oil as claimed in claim 1, wherein: one end of the pipette, which is positioned outside the separation tank, is connected with a transparent pipe (16), one end of the transparent pipe, which is far away from the pipette, is communicated with the finished product tank through an oil discharge pipe (18), a slag discharge pipe (17) is also communicated with the oil discharge pipe between the transparent pipe and the finished product tank, and valves are respectively arranged on the slag discharge pipe and the oil discharge pipe.
10. A rapid extraction process of acidified oil by using the rapid extraction device of acidified oil as claimed in any one of claims 1 to 9, comprising the following steps in sequence:
(1) pouring raw oil and acid liquor with a pH value of 1.5-1.8 into a foaming pool, starting a first circulating pump, circularly mixing the raw oil and the acid liquor in the foaming pool for 3-4 hours by using the first circulating pump, carrying out primary neutralization, and pumping the raw oil in the foaming pool into a separation tank by using a delivery pump;
(2) in the process of pumping raw oil into the separation tank, opening a liquid inlet valve at the lowest part, starting a second circulating pump and a stirring device in the separation tank, simultaneously adding concentrated sulfuric acid with the mass of 2% of that of liquid in the separation tank, introducing steam into the separation tank through a steam inlet pipe, and heating the liquid in the tank for 4-6 hours by using the steam; in the heating process, along with the rising of the liquid level in the separation tank, the liquid inlet valves are opened from bottom to top in sequence to lead the liquid in the separation tank to be mixed circularly;
(3) standing the liquid in the separation tank for 3-4 hours, sequentially forming a finished oil layer, a residue oil layer and an acidified water layer from top to bottom, detecting the iodine value, the saponification value and the acid value of the uppermost layer of the finished oil, and repeating the heating and circulating in the step (2) if the detection result does not meet the requirement; if the detection result meets the requirement, starting the reel driving device, moving the liquid suction pipe downwards to a finished oil layer, conveying the finished oil to the finished oil tank from the upper part of the separation tank, simultaneously opening the valve plate, and sequentially discharging acidified water and residual oil from the discharge pipe, wherein the acidified water is conveyed to the foaming pool and is used as the acid liquid in the primary raw oil of the next batch;
(4) and (3) standing the finished oil entering the finished product tank for 3-4 hours, then detecting the iodine value, the saponification value and the acid value of the finished oil, if the detection result meets the requirement, carrying out loading transportation, if the detection result does not meet the requirement, conveying the finished oil to a separation tank, and repeating the heating and circulating in the step (2).
Technical Field
The invention relates to the technical field of extraction of acidified oil, in particular to a device and a process for quickly extracting acidified oil.
Background
With the continuous development of industry, the demand for fuel oil is continuously increased, so that the exploitation amount of underground petroleum resources is larger and larger, and therefore, as a non-renewable resource, petroleum faces the danger of exhaustion, and a new alternative fuel needs to be searched.
In the 80 s of the last century, germany successfully developed and industrially produced biodiesel, which can be used as fuel, and the main raw material for producing biodiesel was acidified oil or vegetable oil. China is a big agricultural country, and plants such as soybeans, cotton, rapeseeds and the like can produce oil, but if the plant oil is used as a raw material to produce the biodiesel, the cost is very high, and the method causes obstacles to the industrialized popularization of the biodiesel.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device and a process for quickly extracting acidified oil, which are used for processing the acidified oil by taking plant oil production wastes such as saponin, oil horns and the like as raw materials, so that the production cost is greatly reduced, and the device enables the processing of the acidified oil to be more efficient and the quality to be more stable.
The invention is realized by the following technical scheme, and provides a rapid extraction device for acidified oil, which comprises a foaming pool, a separation tank, a heating device for heating liquid in the separation tank, a first circulating pump arranged at the side of the foaming pool, and a conveying pump for conveying the liquid in the foaming pool into the separation tank, wherein a liquid inlet of the first circulating pump is connected with a first liquid inlet pipe extending below the liquid level of the foaming pool, and a liquid outlet of the first circulating pump is connected with a first liquid outlet pipe extending above the foaming pool;
the utility model discloses a separation tank, including the knockout drum, the lateral wall bottom of knockout drum is equipped with the drain hole, wears to be equipped with the pipette on the knockout drum, and the one end of pipette passes through oil suction pump intercommunication finished product jar, and the other end extends in the knockout drum and is located the liquid level top in the knockout drum, is equipped with the drive arrangement that the drive pipette is located the one end of knockout drum along vertical removal on the knockout drum.
When the scheme is used, the arranged foaming pool provides a space for primary neutralization for the raw oil and the acid liquid, and the acid liquid and the raw oil in the foaming pool are fully mixed under the action of the first circulating pump, so that the neutralization reaction is more thorough, and the acidification time in the separation tank is saved; through the arranged pipette and the oil suction pump, the finished oil is sucked away from the upper part, secondary mixing with residual oil and acidified water is avoided, and the quality of the finished oil is improved.
As optimization, still be equipped with the second circulating pump on the knockout drum, the inlet of second circulating pump passes through second feed liquor pipe and the inside intercommunication of knockout drum, and the liquid outlet of second circulating pump passes through second drain pipe and the inside intercommunication of knockout drum. This optimization scheme is through setting up the second circulating pump, when adding acid in toward the knockout drum, utilizes the effect of second circulating pump, makes the liquid intensive mixing and the reaction in the knockout drum, has improved acidizing efficiency.
As optimization, the second circulating pump sets up the upper surface at the knockout drum roof, and the second drain pipe passes the knockout drum roof downwards, and the second feed liquor pipe includes the person in charge with the inlet intercommunication of second circulating pump to and with being responsible for the intercommunication and along two at least branch pipes that the knockout drum height direction distributes, all install the feed liquor valve on the branch pipe, the branch pipe is kept away from the one end of being responsible for and the inside intercommunication of knockout drum. This optimization scheme can open corresponding feed liquor valve according to the height of the interior liquid level of knockout drum through setting up the branch pipe, has further improved the liquid mixing efficiency in the knockout drum, has accelerated the reaction process.
Preferably, the heating device comprises a steam inlet pipe which is fixedly arranged on the top plate of the separation tank in a penetrating way, and a steam generating device communicated with the steam inlet pipe. This optimization scheme adopts steam to heat in the knockout drum, and rate of heating is fast, has further improved acidizing efficiency.
As optimization, the drain hole includes the rectangle blowing pipe with the sealed rigid coupling of separation tank lateral wall and with the inside intercommunication of separation tank, has seted up the jack on the roof of blowing pipe, the valve plate with blowing pipe hole cross-section adaptation is inserted in the jack, the top rigid coupling of valve plate has the stand that is located the blowing pipe top, and the stand is connected with the blowing pipe through first spring. This optimization scheme sets up the blowing pipe into the rectangular pipe, conveniently realizes opening and close of blowing pipe through reciprocating the valve plate, when not applying ascending pulling force to the stand, utilizes the elasticity of first spring to make valve plate and rectangular pipe closely laminate, improves the leakproofness.
As optimization, the side plate and the bottom plate of the discharging pipe are provided with sliding grooves matched with the valve plate, the two sides of the valve plate are fixedly connected with limiting tables with widths larger than those of the inserting holes and the sliding grooves, and when the valve plate falls down, the limiting tables cling to the bottom plate, so that the sealing effect is further improved. The optimized scheme is provided with the sliding chute, so that the guide is provided for the movement of the valve plate, and the sealing property between the valve plate and the discharging pipe is improved; set up spacing platform during through, avoided the valve plate to deviate from the blowing pipe, improved the reliability of using.
Preferably, the driving device comprises a winding drum arranged at the top of the separation tank, a driving motor for driving the winding drum to rotate and a vertical guide rail fixedly arranged on the inner side of the side wall of the separation tank, and a balancing weight fixedly connected with the pipette is connected onto the vertical guide rail in a sliding manner; the winding drum comprises a first winding drum and a second winding drum which are coaxially and fixedly connected, and the diameter ratio of the first winding drum to the second winding drum is not less than 6: the winding device comprises a liquid suction pipe, a first winding drum, a second winding drum, a pull rope and a liquid suction pipe, wherein the liquid suction pipe is wound on the first winding drum, the pull rope is wound on the second winding drum, the lower end of the pull rope is connected with an upright post, and the winding directions of the pull rope and the liquid suction pipe are opposite.
According to the driving device of the optimized scheme, the driving motor is used for driving the winding drum to rotate, and the downward movement of the liquid suction pipe and the upward movement of the valve plate are realized at the same time, so that the synchronous operation of finished oil suction, acidified water and residual oil discharge is realized, and the production efficiency is greatly improved; the diameters of the first winding drum and the second winding drum are set, the valve plate is completely opened when the winding drum rotates for a certain number of turns by utilizing the difference between the linear speeds of the liquid suction pipe and the pull rope, the moving distance of the liquid suction pipe is close to the height of a finished oil layer, and the height of the finished oil layer can be calculated according to the volume of raw oil and the amount of added sulfuric acid.
Preferably, the pulling rope comprises a first rope body wound on the second winding drum and a second rope body connected with the stand column, and the first rope body and the second rope body are connected through a second spring. This optimization scheme is through setting up the second spring, and when the product oil height was too big and the valve plate had reached maximum aperture, the reel continued to rotate, utilizes the extension of second spring to satisfy the reel and rotates the requirement.
Preferably, one end of the pipette, which is positioned outside the separation tank, is connected with a transparent pipe, one end of the transparent pipe, which is far away from the pipette, is communicated with the finished product tank through an oil discharge pipe, a slag discharge pipe is further communicated with the oil discharge pipe between the transparent pipe and the finished product tank, and valves are respectively arranged on the slag discharge pipe and the oil discharge pipe. According to the optimized scheme, the transparent pipe is arranged, the type of liquid in the pipe can be observed, if residual oil appears in the transparent pipe, the valve on the oil discharge pipe is closed, the valve on the slag discharge pipe is opened, the residual oil is prevented from entering a finished product tank, and the quality of the finished product oil is ensured.
This scheme still provides an acidizing oil quick extraction process that uses above-mentioned acidizing oil quick extraction device to carry out, includes the following step that carries out in proper order:
1. pouring raw oil and acid liquor with a pH value of 1.5-1.8 into a foaming pool, starting a first circulating pump, circularly mixing the raw oil and the acid liquor in the foaming pool for 3-4 hours by using the first circulating pump, carrying out primary neutralization, and pumping the raw oil in the foaming pool into a separation tank by using a delivery pump;
2. in the process of pumping raw oil into the separation tank, opening a liquid inlet valve at the lowest part, starting a second circulating pump and a stirring device in the separation tank, simultaneously adding concentrated sulfuric acid with the mass of 2% of that of liquid in the separation tank, introducing steam into the separation tank through a steam inlet pipe, and heating the liquid in the tank for 4-6 hours by using the steam; in the heating process, along with the rising of the liquid level in the separation tank, the liquid inlet valves are opened from bottom to top in sequence to lead the liquid in the separation tank to be mixed circularly;
3. standing the liquid in the separation tank for 3-4 hours, sequentially forming a finished oil layer, a residue oil layer and an acidified water layer from top to bottom, detecting the iodine value, the saponification value and the acid value of the uppermost layer of the finished oil, and repeating the heating and circulating steps in the
4. and (3) standing the finished oil entering the finished product tank for 3-4 hours, then detecting the iodine value, the saponification value and the acid value of the finished oil, if the detection result meets the requirement, carrying out loading transportation, if the detection result does not meet the requirement, conveying the finished oil to a separation tank, and repeating the heating and circulating in the step (2).
The invention has the beneficial effects that: the raw oil is fully mixed and reacted with the acid liquor in the material soaking pool under the action of the first circulating pump, so that preliminary neutralization is realized, the raw oil is more fully acidified, and the heating and acidifying time in the separation tank is saved; the separation tank is heated by steam, so that the heating efficiency is improved, and the rapid extraction process is ensured; through the structural arrangement of the winding drum, synchronous movement of the liquid suction pipe and the valve plate is creatively realized by utilizing the difference of linear speeds, simultaneous discharge of the product oil, the acidified water and the residual oil is realized, and the production efficiency is further improved.
Drawings
FIG. 1 is a flow diagram of the present invention;
FIG. 2 is a schematic view of a material soaking pool;
FIG. 3 is a schematic top view of the foam tank;
FIG. 4 is a schematic diagram of the separator tank configuration;
FIG. 5 is an enlarged view taken at I in FIG. 4;
FIG. 6 is a schematic top view of a valve plate;
shown in the figure:
1. first circulating pump, 2, the foam pond, 3, the knockout drum, 4, the feed liquor valve, 5, second feed liquor pipe, 6, the second circulating pump, 7, steam advances the pipe, 8, driving motor, 9, first winding drum, 10, the second winding drum, 11, the stay cord, 12, the gum cover, 13, the pipette, 14, the balancing weight, 15, vertical guide rail, 16, the hyaline tube, 17, the scum pipe, 18, oil drain pipe, 19, first spring, 20, the valve plate, 21, the material drain pipe, 22, spacing platform, 23, the delivery pump.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Fig. 1 shows a device for rapidly extracting acidified oil, which comprises a
The inlet of first circulating pump is connected with the first feed liquor pipe that extends below the liquid level of bubble material pond, and the lower extreme of first feed liquor pipe is close to bubble material pond bottom of the pool, and the liquid outlet of first circulating pump is connected with the first drain pipe that extends bubble material pond top, and first feed liquor pipe and first drain pipe are close to the relative both ends in bubble material pond respectively, make the liquid mixture in the bubble material pond more abundant.
Still be equipped with second circulating pump 6 on the knockout drum, the inlet of second circulating pump passes through second
The lateral wall bottom of separator tank is equipped with the drain hole, and is concrete, the drain hole include with the sealed rigid coupling of separator tank lateral wall and with the
The top plate of the separation tank is provided with a through hole, a pipette 13 penetrates through the through hole, the bottom surface of the top plate of the separation tank is provided with a high-temperature-
The winding drum comprises a first winding drum 9 and a second winding
The heating device comprises a
The end of the pipette outside the separation tank is connected with a
The rapid extraction process of the acidified oil by using the rapid extraction device of the acidified oil comprises the following steps in sequence:
1. pouring saponin, oil horns or waste oil generated by other vegetable oil production into a foaming pool together with acid liquor with the pH value of 1.5-1.8, starting a first circulating pump, circularly mixing the raw oil and the acid liquor in the foaming pool for 3-4 hours by using the first circulating pump, carrying out primary neutralization, and pumping the raw oil in the foaming pool into a separation tank by using a delivery pump;
2. in the process of pumping raw oil into the separation tank, opening a liquid inlet valve at the lowest part, starting a second circulating pump and a stirring device in the separation tank, simultaneously adding concentrated sulfuric acid with the mass of 2% of that of liquid in the separation tank, introducing steam into the separation tank through a steam inlet pipe, and heating the liquid in the tank for 4-6 hours by using the steam; in the heating process, along with the rising of the liquid level in the separation tank, the liquid inlet valves are opened from bottom to top in sequence to lead the liquid in the separation tank to be mixed circularly;
3. standing the liquid in the separation tank for 3-4 hours, sequentially forming a finished oil layer, a residue oil layer and an acidified water layer from top to bottom, detecting the iodine value, the saponification value and the acid value of the uppermost layer of the finished oil, and repeating the heating and circulating steps in the
4. and (3) standing the finished oil entering the finished product tank for 3-4 hours, then detecting the iodine value, the saponification value and the acid value of the finished oil, if the detection result meets the requirement, carrying out loading transportation, if the detection result does not meet the requirement, conveying the finished oil to a separation tank, and repeating the heating and circulating in the step (2).
The invention not only realizes the high-value utilization of the plant waste oil, but also improves the extraction efficiency of the acidification oil, improves the quality of the finished oil by circulating in the soaking pool, reduces the waste of the finished oil at the adjacent part of the finished oil layer and the residual oil layer by absorbing the finished oil from the upper layer, and realizes the reutilization of the acidification water in the separation tank.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.