CN219586049U - Multilayer alkaline cleaning device for diesel oil - Google Patents

Abstract

The utility model relates to the technical field of diesel treatment, in particular to a diesel multilayer alkaline washing device, which comprises: tank body, inlet tube, outlet pipe, alkali lye pipe, alkali wash board and hydrojet head, the tank body is cavity jar column structure and is provided with inlet tube and outlet pipe respectively in top and bottom, the inside of the tank body is provided with multilayer alkali wash board, upper and lower adjacent two-layer the alkali wash board is the crisscross setting of "" font and all inclines downwards, every the end of alkali wash board with the inner wall of the tank body leaves the space, every alkali wash board top the internal wall of tank is provided with the hydrojet head, alkali lye pipe is fixed in the outside of the tank body and with corresponding hydrojet head intercommunication, this device simple structure just can carry out intensive mixing with diesel oil and alkali lye through the cooperation hydrojet head of range upon range of crisscross setting, easy operation, need not mobile device such as stirring, has alleviateed the degree of difficulty of maintenance.

Description

Multilayer alkaline cleaning device for diesel oil

Technical Field

The utility model relates to the technical field of diesel treatment, in particular to a multilayer alkaline washing device for diesel.

Background

Diesel is an important petroleum product and is widely used in various internal combustion engines. However, the raw diesel fuel often contains various impurities, such as sulfides, acids, etc., which negatively affect the performance and life of the internal combustion engine, and which also produce harmful emissions during combustion, causing environmental pollution. Therefore, diesel fuel needs to undergo a series of refining processes to meet the requirements of use and environmental protection, wherein alkaline washing is an important step.

The diesel oil alkali washing device is mainly used for removing acidic substances in diesel oil, including organic acid, sulfate and the like. In the alkaline washing process, diesel oil is mixed with alkali liquor and stirred at a certain temperature and pressure. The acidic substance reacts with the lye to form water-soluble salts which are subsequently separated from the diesel fuel by means of a separation device.

Although the existing diesel oil alkaline washing device can effectively remove acidic substances in diesel oil, some problems still exist. Firstly, the separation efficiency in the alkaline washing process is not high, and partial acidic substances possibly remain in the diesel oil to influence the quality of the diesel oil. Secondly, the operation of the existing diesel oil alkaline washing device is complex, and higher technical and labor costs are required.

The patent number CN206289217U discloses a matched device for alkaline washing in diesel oil production, which comprises an alkaline washing tank body, wherein the top of the alkaline washing tank body is fixedly provided with a stirring motor through a motor frame, an output shaft of the stirring motor is fixedly connected with a stirring shaft through a coupling, the surface of the inner cavity wall of the alkaline washing tank body is fixedly coiled with an electric heating pipe through a bracket, one side of the top of the alkaline washing tank body is provided with a feeding pipe, the bottom of the alkaline washing tank body is provided with a discharging pipe, and the bottom of the outer side wall of the alkaline washing tank body is provided with a sampling pipe; the device has a complex structure, is stirred by using the stirring blade, and has a general mixing effect.

Disclosure of Invention

The utility model aims to provide a diesel oil multilayer alkaline washing device aiming at the defects of poor stirring and mixing effects, complex structure and difficult maintenance of the traditional blades in the prior art.

The technical scheme of the utility model is as follows:

a diesel multilayer alkaline cleaning device comprising: tank body, inlet tube, outlet pipe, alkali lye pipe, alkali wash board and hydrojet head, the tank body is cavity jar column structure and is provided with inlet tube and outlet pipe respectively in top and bottom, the inside of the tank body is provided with multilayer alkali wash board, upper and lower adjacent two-layer the alkali wash board is the crisscross setting of "" font and all inclines downwards, every the end of alkali wash board with the inner wall of the tank body leaves the space, every the inner wall of the tank body of alkali wash board top is provided with the hydrojet head, alkali lye pipe is fixed in the outside of the tank body and with corresponding hydrojet head intercommunication.

Preferably, the tail end of the alkaline washing plate is provided with an overflow plate, and the overflow plate is of a vertically upward plate-shaped structure.

Preferably, a plurality of protruding edges are arranged on the upper surface of the alkaline washing plate, and the protruding edges are parallel to the overflow plate.

Preferably, a guide plate is arranged at the top of the tank body, and the guide plate is inclined downwards and points to the alkaline washing plate at the top.

Preferably, an ultrasonic generator is provided inside the liquid ejecting head.

Preferably, the tank body is in a vertical capsule shape, and a support column is arranged at the bottom of the tank body.

Compared with the prior art, the utility model has the following advantages:

the device simple structure just can carry out intensive mixing with diesel oil and alkali lye through the alkaline wash board cooperation hydrojet head that stacks crisscross setting, can handle diesel oil through the efficient of multilayer processing, easy operation, need not active device such as stirring, has alleviateed the degree of difficulty of maintaining.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

in the figure: 1-tank body, 2-support column, 3-inlet pipe, 4-outlet pipe, 5-alkali liquor pipe, 6-guide plate, 7-alkali wash plate, 71-convex edge, 72-overflow plate and 8-liquid spray head.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Example 1

Referring to fig. 1, a multi-layer alkaline washing device for diesel oil is provided, which is characterized in that compared with the existing stirring mode, the device is of a simple multi-layer plate structure, the contact area between the diesel oil and alkali liquor is increased by spreading the diesel oil, and then the alkaline washing function of the diesel oil can be fully realized by multi-layer alkali liquor treatment, so that the treatment effect is improved, and the diesel oil can be continuously and efficiently treated.

The concrete structure comprises: tank body 1, inlet tube 3, outlet tube 4, alkali lye pipe 5, alkaline washing board 7 and hydrojet 8, tank body 1 is cavity jar column structure and is provided with inlet tube 3 and outlet tube 4 respectively in top and bottom, the inside of tank body 1 is provided with multilayer alkaline washing board 7, upper and lower adjacent two-layer alkaline washing board 7 is the crisscross setting of "" font and all inclines downwards, the end of every alkaline washing board 7 leaves the space with the inner wall of tank body 1, the tank body 1 inner wall of every alkaline washing board 7 top is provided with hydrojet 8, alkali lye pipe 5 is fixed in the outside of tank body 1 and communicates with corresponding hydrojet 8.

Working principle:

the device flows downwards on the alkaline washing plate 7 due to gravity through diesel oil, then the alkaline washing plate 7 is sprayed with alkaline liquor so as to fully mix the alkaline liquor with the diesel oil, acidic substances in the diesel oil can be neutralized by the alkaline liquor after multi-layer reaction, thereby reaching the standard, and subsequent treatment can be carried out after the treatment is completed.

1. The inlet pipe 3 is opened, then the diesel oil to be treated is filled into the tank body 1, meanwhile, the liquid spraying head 8 is opened, alkali liquor is sprayed onto the alkali washing plate 7, and the diesel oil falls on the alkali washing plate 7 to be spread out and flows downwards under the action of gravity.

2. At this time, the alkali liquor contacts with the diesel oil and dissolves into the diesel oil to react with acidic substances in the diesel oil.

3. The flowing mixed liquid falls into the alkaline washing plate 7 of the next layer after passing through the end of the alkaline washing plate 7, and after being sprayed and mixed with the alkali liquor again, the mixed liquid continuously reacts with unreacted acidic substances.

4. After all alkaline washing plates 7 are passed, all acidic substances in the diesel oil react with alkaline liquor, and the liquid after the alkaline washing treatment flows out of the outlet pipe 4 to be subjected to further treatment in the next step.

The device has a simple structure, diesel oil and alkali liquor can be fully mixed only by matching the alkaline washing plates 7 which are arranged in a laminated and staggered mode with the liquid spraying heads 8, the diesel oil can be efficiently treated through multi-layer treatment, the operation is simple, movable devices such as stirring are not needed, and the difficulty of maintenance is reduced.

Example two

Referring to fig. 1, basically the same as the first embodiment is different in that the end of the alkaline washing plate 7 is provided with an overflow plate 72, and the overflow plate 72 has a vertically upward plate-like structure. The overflow plate 72 is provided to intercept impurities in the diesel oil, the upper light diesel oil can flow down from the upper part of the overflow plate 72, and the impurities with heavier bottom layers can be blocked, thereby realizing a certain purifying effect.

The upper surface of the alkaline washing plate 7 is provided with a plurality of raised edges 71, and the raised edges 71 are parallel to the overflow plate 72. The function of the raised edges 71 is to block the heavier solid impurities, to retain the diesel fuel, to slow the flow rate of the diesel fuel, and to improve the mixing effect of the diesel fuel and the alkali liquor.

The top of the tank body 1 is provided with a guide plate 6, the guide plate 6 inclines downwards and points to the alkaline washing plate 7 at the top, and the guide plate 6 is arranged to guide diesel oil to the alkaline washing plate 7 at the top, so that the alkaline washing efficiency is improved.

Example III

Referring to fig. 1, basically the same as the second embodiment is different in that an ultrasonic generator is provided inside the liquid ejecting head 8. Because the flow direction and angle of water flow can be changed by ultrasonic wave, the water flow can be broken up, thereby improving the contact area of alkali liquor and diesel oil.

The tank body 1 is in a vertical capsule shape, the bottom of the tank body 1 is provided with a support column 2, the shape of the tank body 1 is limited to ensure the shape of the bottom of the tank body 1 so as to form a funnel shape, and therefore the gathering effect is improved.

The present utility model is not limited to the above-described embodiments, and various changes may be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art, and the contents after the changes still fall within the scope of the present utility model.

Claims (6)

1. A diesel multilayer alkaline cleaning device comprising: the automatic washing device is characterized in that the tank body is of a hollow tank-shaped structure, the top and the bottom are respectively provided with the inlet pipe and the outlet pipe, the inside of the tank body is provided with a plurality of layers of alkaline washing plates, two layers of alkaline washing plates which are adjacent up and down are staggered in a shape and are all inclined downwards, a gap is reserved between the tail end of each alkaline washing plate and the inner wall of the tank body, a liquid spraying head is arranged on the inner wall of the tank body above each alkaline washing plate, and the alkaline liquid pipe is fixed outside the tank body and is communicated with the corresponding liquid spraying head.

2. The multi-layer alkaline cleaning device for diesel oil according to claim 1, wherein: and the tail end of the alkaline washing plate is provided with an overflow plate which is of a vertically upward plate-shaped structure.

3. A diesel fuel multi-layer alkaline cleaning apparatus as claimed in claim 2, wherein: the upper surface of the alkaline washing plate is provided with a plurality of protruding edges, and the protruding edges are parallel to the overflow plate.

4. A diesel fuel multi-layer alkaline cleaning apparatus according to claim 3, wherein: the top of the tank body is provided with a guide plate, and the guide plate is inclined downwards and points to the alkaline washing plate at the top.

5. The multi-layer alkaline cleaning device for diesel oil according to claim 1, wherein: an ultrasonic generator is arranged in the liquid spraying head.

6. The multi-layer alkaline cleaning device for diesel oil according to claim 1, wherein: the tank body is in a vertical capsule shape, and a support column is arranged at the bottom of the tank body.