Production device of crude oil demulsifier

Abstract

The utility model belongs to the field of crude oil demulsifier production, and particularly relates to a crude oil demulsifier production device which comprises a reaction kettle, a stirring shaft is arranged in the reaction kettle, stirring blades are fixedly connected to the stirring shaft, a reciprocating stirring mechanism is arranged at the joint of the reaction kettle and the stirring shaft, and the stirring blades are fixedly connected to the stirring shaft. A self-adjusting mechanism is arranged in the stirring shaft; the reciprocating stirring mechanism comprises a water pump; the water pump is fixedly mounted at the bottom of the reaction kettle; by arranging the reciprocating stirring mechanism, a mixed solution at the bottom of the reaction kettle can be pumped to the top during stirring, so that the mixed solution at the top descends to the bottom, vertical movement of the mixed solution is realized, a better stirring effect is achieved, and meanwhile, the mixed solution can be used as a driving force when the stirring shaft and the stirring blades rotate; the purpose of automatic stirring is achieved, and the problem of poor mixing effect in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to crude oil demulsifier production field, specifically a crude oil demulsifier's production device. BACKGROUND

[0002] Crude oil demulsifier is the oilfield chemical agent for oil-water separation of oil production liquid, and its production process mainly includes the following three links, the first link is raw material preparation: selecting appropriate surfactant and auxiliary as raw material, such as petroleum sulfonate, polymer, anionic surfactant etc., according to the need adjustment its kind and proportion, the second link is mixed reaction: the selected raw material is added to the reaction kettle according to certain proportion, and a proper amount of solvent is added to stir and mix, so that the raw material is fully dissolved and reacted, at the same time, according to the need, catalyst or regulator can be added to promote the reaction, the third link is product treatment: after the reaction is completed, the product is filtered or centrifuged, etc., to remove impurities and unreacted substances, and get pure crude oil demulsifier.

[0003] When the crude oil demulsifier is mixed, the stirring structure in the reaction kettle in the prior art is generally composed of a motor, a stirring shaft and stirring blades, wherein the stirring blades are arranged at the bottom of the stirring rod, and the stirring shaft and the stirring blades are driven to rotate by the motor to achieve the purpose of mixing, but since the stirring blades are mostly arranged at the bottom end position of the stirring rod, the mixing solution in the upper half of the reaction kettle does not have as good stirring effect as the mixing solution in the lower half, which affects the overall mixing effect of the mixing solution.

[0004] Therefore, the crude oil demulsifier production device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, the mixing solution in the upper and lower parts of the reaction kettle is prone to uneven mixing, and the utility model provides a crude oil demulsifier production device.

[0006] The technical scheme adopted by the utility model to solve its technical problems is: a crude oil demulsifier production device, comprising a reaction kettle, an internal stirring shaft of the reaction kettle, a stirring blade fixedly connected to the stirring shaft, a reciprocating stirring mechanism arranged at the connection between the reaction kettle and the stirring shaft, and a self-adjusting mechanism arranged in the stirring shaft.

[0007] The reciprocating stirring mechanism comprises a water pump, the water pump is fixedly installed at the bottom of the reaction kettle, a liquid suction pipe is fixedly connected to the input end of the water pump, a liquid supply pipe is fixedly connected to the output end of the water pump, the liquid suction pipe and the liquid supply pipe are both penetrated into the inside of the reaction kettle from the end away from the water pump, a flow-through cavity is formed at the top end of the stirring shaft, a plurality of thrust rods are equidistantly arranged on the outer side of the stirring shaft, a spraying groove is formed at one side of the thrust rod, the spraying groove and the flow-through cavity are mutually penetrated, and a positioning rod is rotatably connected to the bottom end of the stirring shaft.

[0008] Preferably, the self-adjusting mechanism comprises a sealing plate, the outer side of the sealing plate is slidably connected with the inner side wall of the spraying groove, a waterproof spring is fixedly connected to the inside bottom end of the flow-through cavity, and one end of the waterproof spring is connected with the lower surface of the sealing plate.

[0009] Preferably, the thrust rod is hook-shaped, a screening net is fixedly connected to the inner side of adjacent two stirring blades, and the screening net is staggered with the thrust rod.

[0010] Preferably, a bearing is embeddedly installed at the position of the top end of the stirring shaft relative to the flow-through cavity, and the liquid supply pipe is fixedly sleeved with the bearing.

[0011] Preferably, a rotating groove is formed at the position of the bottom end of the stirring shaft relative to the positioning rod, and the bottom end of the positioning rod is connected with the inside bottom end of the reaction kettle.

[0012] Preferably, an annular groove is formed on the outer side of the positioning rod, an annular sleeve plate is fixedly connected to the position of the inner side wall of the rotating groove relative to the annular groove, and the annular sleeve plate is rotatably sleeved in the inside of the annular groove.

[0013] The utility model discloses the beneficial effect lies in:

[0014] 1. The utility model discloses a reciprocating stirring mechanism can be set up, can make the mixed solution of reaction kettle bottom drop to top when stirring, make the mixed solution of top drop to bottom, realize the up and down motion of mixed solution, thereby reach better stirring effect, can be as the driving force of stirring shaft and stirring blade rotation when mixed solution reaches the purpose of automatic stirring, solves the problem of poor mixing effect in the prior art.

[0015] 2. The utility model discloses a waterproof spring and sealing plate can make the volume of the circulation cavity reduce, when the circulation cavity volume becomes small, the pressure of mixed solution when spraying from the spraying groove increases, to facilitate the drive of the stirring shaft and make it rotate, along with the increase of pressure, the waterproof spring is compressed and the sealing plate moves down, more spraying grooves are exposed at this moment, through the spraying of mixed solution from the spraying groove on the better thrust rod, the stability when the stirring shaft rotates can be increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the main view cross section structure schematic diagram of the utility model;

[0019] Figure 3 It is the reciprocating stirring mechanism structure schematic diagram of the utility model;

[0020] Figure 4 It is the stirring shaft and positioning rod place exploded structure schematic diagram of the utility model;

[0021] In the drawing: 1, reaction kettle;2, stirring shaft;3, stirring vane;4, reciprocating stirring mechanism;401, water pump;402, liquid suction pipe;403, liquid supply pipe;404, circulation cavity;405, thrust rod;406, spraying groove;407, positioning rod;4071, rotating groove;4072, annular groove;4073, annular sleeve plate;408, bearing;5, self-adjusting mechanism;501, sealing plate;502, waterproof spring;503, drainage groove. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.

[0023] The following will be combined with the drawings of the utility model embodiments, Figures 1-4 The present application will be further described in detail,

[0024] The embodiment of the application discloses a crude oil demulsifier production device. Figures 1-4 The crude oil demulsifier production device comprises a reaction kettle 1, an inside of the reaction kettle 1 is provided with a stirring shaft 2, the stirring shaft 2 is fixedly connected with stirring blades 3, a reciprocating stirring mechanism 4 is arranged at a connecting position of the reaction kettle 1 and the stirring shaft 2, and a self-adjusting mechanism 5 is arranged in the stirring shaft 2.

[0025] The reciprocating stirring mechanism 4 comprises a water pump 401, the water pump 401 is fixedly installed at the bottom of the reaction kettle 1, a liquid suction pipe 402 is fixedly connected to the input end of the water pump 401, a liquid supply pipe 403 is fixedly connected to the output end of the water pump 401, the liquid suction pipe 402 and the liquid supply pipe 403 are both arranged to penetrate into the inside of the reaction kettle 1, a flow cavity 404 is arranged at the top end of the stirring shaft 2, a plurality of thrust rods 405 are equidistantly arranged on the outer side of the stirring shaft 2, a spraying groove 406 is arranged on one side of the thrust rod 405, the spraying groove 406 and the flow cavity 404 are mutually penetrated, and a positioning rod 407 is rotatably connected to the bottom end of the stirring shaft 2, the liquid supply pipe 403 and the flow cavity 404 are rotatably connected, through the reciprocating stirring mechanism 4, the mixed solution at the bottom of the reaction kettle 1 can be sucked to the top during stirring, the mixed solution at the top can be lowered to the bottom, the up-and-down movement of the mixed solution is realized, a better stirring effect is achieved, and the mixed solution can serve as a driving force when the stirring shaft 2 and the stirring blades 3 rotate, so that the purpose of automatic stirring is achieved.

[0026] The self-adjusting mechanism 5 comprises a sealing plate 501, the outer side of the sealing plate 501 is slidably connected with the inner side wall of the spraying groove 406, a waterproof spring 502 is fixedly connected to the inside bottom end of the flow cavity 404, and one end of the waterproof spring 502 is connected with the lower surface of the sealing plate 501. Figures 1-4 The thrust rod 405 is arranged in a hook shape, the inner sides of adjacent two stirring blades 3 are fixedly connected with screening meshes, and the screening meshes are arranged in a staggered mode with the thrust rod 405.

[0027] Figures 1-4 Through the arrangement of the hook-shaped thrust rod 405, the stirring shaft 2 can be driven to rotate when the mixed solution is sprayed out through the thrust rod 405, through the arrangement of the screening meshes, the mixed solution can be screened into smaller particles when the mixed solution is sprayed out, and the stirring effect is improved.

[0028] The thrust rod 405 is arranged in a hook shape, the inner sides of adjacent two stirring blades 3 are fixedly connected with screening meshes, and the screening meshes are arranged in a staggered mode with the thrust rod 405. Figures 1-4 ​, the top end of the stirring shaft 2 is embedded with a bearing 408 relative to the position of the flow cavity 404, the supply pipe 403 is fixedly sleeved between the bearing 408, by arranging the bearing 408, the supply pipe 403 can be kept relatively stationary when the stirring shaft 2 rotates, avoiding the synchronous rotation of the supply pipe 403 with the stirring shaft 2.

[0029] With reference to Figures 1-4 , the bottom end of the stirring shaft 2 is provided with a rotating groove 4071 relative to the position of the positioning rod 407, the bottom end of the positioning rod 407 is connected with the inner bottom end of the reaction kettle 1, by arranging the rotating groove 4071, the stirring shaft 2 can rotate outside the positioning rod 407 when the stirring shaft 2 rotates.

[0030] With reference to Figures 1-4 , the outer side of the positioning rod 407 is provided with an annular groove 4072, the inner side wall of the rotating groove 4071 is fixedly connected with an annular sleeve plate 4073 relative to the position of the annular groove 4072, the annular sleeve plate 4073 is rotatably sleeved in the annular groove 4072, by arranging the annular groove 4072 and the annular sleeve plate 4073, the stirring shaft 2 can be limited outside the positioning rod 407, thereby increasing the stability when the stirring shaft 2 rotates.

[0031] With reference to Figures 1-4 , the inner bottom end of the flow cavity 404 is provided with a drainage groove 503, the bottom end of the drainage groove 503 penetrates the outer side of the stirring shaft 2, the main view of the drainage groove 503 is L-shaped, by arranging the drainage groove 503, the automatic drainage effect can be achieved, avoiding the situation that the waterproof spring 502 cannot be compressed due to the water in the sealing plate 501 and the inner side of the flow cavity 404.

[0032] Working principle: in use, first, the selected raw materials are added to the reaction kettle 1 according to a certain proportion, and an appropriate amount of solvent is added, then the water pump 401 is opened, under the action of the liquid suction pipe 402 and the liquid supply pipe 403, the mixed solution in the reaction kettle 1 can be introduced into the inside of the flow cavity 404, and then sprayed from one end of the thrust rod 405 through the spray groove 406 penetrating the flow cavity 404, through the action force of the mixed solution when sprayed, the stirring shaft 2 can rotate outside the positioning rod 407, so as to achieve the purpose of stirring the mixed solution, the device can make the mixed solution at the top end position in the reaction kettle 1 drop by sucking the mixed solution at the bottom of the reaction kettle 1, so as to achieve better stirring effect, solve the problem of poor top solution stirring effect caused by single setting position of stirring blade in the prior art; when the mixed solution enters the inside of the flow cavity 404, the waterproof spring 502 and the sealing plate 501 can make the volume of the flow cavity 404 decrease, when the volume of the flow cavity 404 decreases, the pressure of the mixed solution sprayed from the spray groove 406 increases, so as to facilitate driving the stirring shaft 2 and rotating it, at the same time, with the increase of the pressure, the waterproof spring 502 is compressed and the sealing plate 501 moves downward, at this time, more spray grooves 406 are exposed, by spraying the mixed solution from the spray grooves 406 on the thrust rod 405, the stability of the stirring shaft 2 when rotating can be increased.

[0033] The basic principle, main characteristics and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A production apparatus for crude oil demulsifier, characterized in that: The reactor includes a reaction vessel (1), a stirring shaft (2) is provided inside the reaction vessel (1), a stirring blade (3) is fixedly connected to the stirring shaft (2), a reciprocating stirring mechanism (4) is provided at the connection between the reaction vessel (1) and the stirring shaft (2), and a self-adjusting mechanism (5) is provided inside the stirring shaft (2). The reciprocating stirring mechanism (4) includes a water pump (401), which is fixedly installed at the bottom of the reactor (1). A suction pipe (402) is fixedly connected to the input end of the water pump (401), and a supply pipe (403) is fixedly connected to the output end of the water pump (401). The ends of both the suction pipe (402) and the supply pipe (403) away from the water pump (401) penetrate the interior of the reactor (1). A flow chamber (404) is provided at the top of the stirring shaft (2). Multiple thrust rods (405) are equidistantly arranged on the outer side of the stirring shaft (2). A spray groove (406) is provided on one side of the thrust rod (405). The spray groove (406) and the flow chamber (404) are interconnected. A positioning rod (407) is rotatably connected to the bottom end of the stirring shaft (2). The liquid supply pipe (403) and the flow chamber (404) are rotatably connected.

2. The production apparatus for crude oil demulsifier according to claim 1, characterized in that: The self-adjusting mechanism (5) includes a sealing plate (501), the outer side of the sealing plate (501) is slidably connected to the inner wall of the spray groove (406), and a waterproof spring (502) is fixedly connected to the bottom of the flow cavity (404), one end of the waterproof spring (502) is connected to the lower surface of the sealing plate (501).

3. The production apparatus for crude oil demulsifier according to claim 1, characterized in that: The thrust rod (405) is hook-shaped, and a sieve screen is fixedly connected to the inner side of two adjacent stirring blades (3). The sieve screen and the thrust rod (405) are staggered.

4. The production apparatus for crude oil demulsifier according to claim 1, characterized in that: A bearing (408) is embedded in the top of the stirring shaft (2) relative to the flow cavity (404), and the liquid supply pipe (403) and the bearing (408) are fixedly connected.

5. The production apparatus for crude oil demulsifier according to claim 1, characterized in that: The bottom end of the stirring shaft (2) is provided with a rotating groove (4071) relative to the positioning rod (407), and the bottom end of the positioning rod (407) is connected to the bottom end of the reactor (1).

6. The apparatus for producing crude oil demulsifier according to claim 5, characterized in that: The outer side of the positioning rod (407) is provided with an annular groove (4072), and an annular sleeve plate (4073) is fixedly connected to the inner side wall of the rotating groove (4071) relative to the position of the annular groove (4072). The annular sleeve plate (4073) is rotatably sleeved inside the annular groove (4072).

7. The apparatus for producing crude oil demulsifier according to claim 1, characterized in that: The bottom of the flow cavity (404) is provided with a drainage groove (503), the bottom of which extends through the outside of the stirring shaft (2), and the main view of the drainage groove (503) is L-shaped.

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