CN215311656U - Quick diluting device of demulsifier - Google Patents
Quick diluting device of demulsifier Download PDFInfo
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- CN215311656U CN215311656U CN202120665772.2U CN202120665772U CN215311656U CN 215311656 U CN215311656 U CN 215311656U CN 202120665772 U CN202120665772 U CN 202120665772U CN 215311656 U CN215311656 U CN 215311656U
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- tank body
- demulsifier
- sealing cover
- stirring shaft
- diluent
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Abstract
The utility model provides a demulsifier rapid dilution device, which comprises a tank body and a sealing cover, wherein the sealing cover is detachably connected to the tank body, and the upper end of the sealing cover is provided with a demulsifier feeding pipe and a diluent feeding pipe; the outer side wall of the tank body is provided with a jacket, and the upper/lower ends of the jacket are respectively provided with a water outlet and a water inlet; a distribution plate is arranged in the tank body, the distribution plate is detachably fixed in the tank body, and a stirring shaft penetrates through the middle of the distribution plate; the upper end of the stirring shaft extends out of the sealing cover and is connected with a driving motor through a coupler, the bottom end of the stirring shaft is provided with anchor type stirring blades, and the middle part of the stirring shaft is provided with 1-3 straight type stirring blades; a discharge hole is formed in the bottom of the tank body, and a filter screen is arranged at a position, close to the discharge hole, in the tank body; the discharge port is connected with the inlet of the delivery pump through a pipe valve; the outlet of the transfer pump is connected to the diluent outlet and/or diluent feed line via a line valve. Has the advantages of good mixing effect, high dilution efficiency, no introduction of a defoaming agent and the like.
Description
Technical Field
The utility model relates to the technical field of demulsifiers, in particular to a quick diluting device for a demulsifier.
Background
The demulsifier is an indispensable chemical auxiliary agent in the industries of petroleum exploitation, petroleum refining and sewage treatment, the main component of the demulsifier is a surface active substance, and the demulsifier can destroy the emulsified liquid structure, thereby achieving the purpose of separating each phase in the emulsion. The demulsifier is generally a surfactant and is amphiphilic, and micelles can be formed by itself if the concentration of the surfactant is too high, so that the demulsification effect is influenced, and therefore, the demulsifier is diluted before being used.
Among the present demulsifier diluting device, the demulsifier is through the pipeline direct flow-in agitator, specifically like the utility model patent "a crude oil demulsifier diluting device" that the bulletin number is CN210815091U, the utility model patent "a demulsifier diluting machine" that the bulletin number is CN211936795U, the utility model patent "a demulsifier diluting device for tar production" that the bulletin number is CN212492489U etc.. The demulsifier is usually light yellow viscous liquid, is directly injected into the stirring barrel through the conduit, is not easy to disperse, can be uniformly mixed only by stirring for a long time, and has low dilution efficiency.
Considering the influence of the ambient temperature on the demulsifying agent diluting process, a stirring barrel is generally required to be heated in order to accelerate the mixing of the demulsifying agent and the diluent, for example, the utility model with the publication number of CN206184321U discloses a demulsifying agent diluting device, wherein a heater is arranged at the barrel bottom, the mixing temperature of internal materials is raised by directly heating the barrel body, the arrangement is easy to cause uneven temperature distribution in the barrel body, and the local temperature of the barrel bottom is overhigh; if utility model patent of publication number for CN210815091U discloses a crude oil demulsifier diluting device again, including diluting tank and base, diluting tank comprises shell and inner bag, sets up the heating chamber between shell and inner bag, and the heating intracavity is provided with the heating strip and fills there is heating liquid, carries out conduction heating to the inner bag through heating liquid, compares in heating element and directly heats the staving, and it has avoided the too high phenomenon of local temperature in the agitator to a certain extent, but can not fundamentally solve the uneven problem of temperature distribution.
In addition, the diluent and the demulsifier are easy to generate a large amount of foams in the mixing and stirring process, and the foams not only can cause the waste of raw materials, but also are not beneficial to the accurate metering in the subsequent filling process. The utility model discloses a chinese utility model patent that publication number is CN210506223U discloses a crude oil dehydration demulsifier charge device, and it has the defoaming case at dosing tank bottom fixed mounting, treats that clear water and demulsifier mix the back, will mix the leading-in defoaming incasement of mixed liquid, then toward the defoaming agent of adding in the defoaming incasement to make the foam in the mixed liquid effectively eliminate. Although the method can eliminate the foam generated in the stirring and diluting process, the defoaming agent is usually organic silicon substances, and if the addition amount is not controlled well, the silicon content is easy to exceed the standard, so that the activity of the catalyst in the subsequent secondary processing process is influenced.
Disclosure of Invention
Aiming at the defects of the conventional emulsion breaker diluting device, the utility model aims to provide the novel emulsion breaker diluting device, which can realize the quick mixing of an emulsion breaker and a diluent and can effectively remove foam in a mixed liquid without adding a defoaming agent.
The technical scheme of the utility model is as follows:
a demulsifier rapid dilution device comprises a tank body and a sealing cover, wherein the sealing cover is detachably connected to the tank body, and the upper end of the sealing cover is bilaterally and symmetrically provided with a demulsifier feeding pipe and a diluent feeding pipe; the outer side wall of the tank body is provided with a jacket, the upper end of the jacket close to the top end of the tank body is provided with a water outlet, and the lower end of the jacket close to the bottom end of the tank body is provided with a water inlet; a distribution plate is arranged in the tank body, the distribution plate is detachably fixed in the tank body, and a stirring shaft penetrates through the middle of the distribution plate; the upper end of the stirring shaft extends out of the sealing cover and is connected with a driving motor through a coupler, the bottom end of the stirring shaft is provided with anchor type stirring blades, and the middle part of the stirring shaft is equidistantly provided with 1-3 straight type stirring blades; a discharge hole is formed in the bottom of the tank body, and a filter screen is arranged at a position, close to the discharge hole, in the tank body; the discharge port is connected with the inlet of the delivery pump through a pipe valve; the outlet of the transfer pump is connected to the diluent outlet and/or diluent feed line via a line valve.
Furthermore, a support frame is arranged at the bottom of the jacket for facilitating the fixation of the diluting device.
Furthermore, a plurality of bosses are welded on the upper portion of the inner side wall of the tank body, the distribution plate is movably arranged on the bosses in the tank body, and the edge of the distribution plate is attached to the inner side wall of the tank body.
Furthermore, because the demulsifier feed pipe sets up in closing cap one side, and for vertical feeding, for make the demulsifier get into on the jar body disperses the dish of distributor better after, the afterbody of demulsifier feed pipe is certain inclination and bends to jar body center.
Furthermore, because the diluent inlet pipe sets up the opposite side relative with the demulsifier inlet pipe on the closing cap, and for horizontal feeding, for guaranteeing that the diluent erodees the plate of distributing better, diluent inlet pipe afterbody is certain inclination and bends to jar body lower part.
Further, the tank body and the sealing cover are both provided with flanges, a plurality of through holes are formed in the corresponding positions of the flanges, and the tank body is connected with the sealing cover through bolts penetrating through the through holes of the flanges.
Furthermore, in order to ensure that the demulsifier entering the tank body falls into the diluent phase in the form of dispersed liquid drops, a plurality of dropping holes are uniformly formed on the distribution plate; preferably, the inner diameter of the dripping hole is 3-6 mm.
Furthermore, in order to ensure that the stirrer rotates stably on the stirring shaft and avoid collision with the side wall of the tank body in the rotating process, the distribution disc is connected with the stirring shaft penetrating through the distribution disc by adopting a bearing.
Furthermore, on the premise of ensuring that the materials in the tank body are fully stirred, in order to further reduce the stirring resistance, a plurality of overflowing holes are formed in the straight stirring blades.
Furthermore, in order to reduce heat dissipation loss, a heat insulation layer is arranged on the outer wall of the jacket.
The utility model has the advantages and positive effects that:
compared with the prior art, the rapid diluting device for the demulsifier provided by the utility model has the advantages of good material mixing effect, high diluting efficiency, no need of adding a defoaming agent and the like, and is particularly shown in the following aspects:
(1) through set up the plate of distributor on jar body upper portion for the demulsifier evenly falls into the diluent phase with the liquid droplet form, has effectively increased the area of contact of demulsifier and diluent, is favorable to the flash mixed of the two, has improved dilution efficiency.
(2) By arranging the circulating pipeline outside the tank body, the mixing degree of materials in the tank body can be further increased, and the stirring and mixing time is shortened; meanwhile, the distribution plate is subjected to secondary washing by the circulating materials, so that the influence of material residues on the distribution plate on the dilution precision is avoided.
(3) By adopting the mode of combining the anchor type stirring blades and the straight type stirring blades, the materials in the tank body can be fully stirred and mixed, and the materials are prevented from being accumulated at the bottom of the tank body to cause uneven mixing; in addition, the straight stirring blades are provided with overflowing holes, so that the stirring resistance is further reduced while the materials are fully mixed, and the power consumption of the motor is reduced.
(4) The jacket is arranged outside the tank body, and warm water heated to a certain temperature is circularly injected through a water inlet/outlet on the jacket by using additional heating equipment (such as a constant-temperature water bath), so that the tank body is uniformly insulated, and the phenomenon that the local temperature is too high due to the fact that a heating assembly is directly arranged on the tank body is avoided; especially, under the condition of low ambient temperature, the mixing effect of the demulsifier and the diluent can be effectively ensured.
(5) The filter screen is arranged at the position, close to the discharge port, in the tank body, so that foam generated in the stirring and diluting process can be effectively intercepted, the accuracy of conveying and metering of a subsequent demulsifier is guaranteed, and the adverse effect of the introduced defoaming agent on the secondary processing process is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic top view of the closure of the present invention.
In the figure:
1-sealing the cover; 2-tank body; 3-a jacket; 4-demulsifier feed pipe; 5-diluent feed pipe;
6-a distribution tray; 7-stirring shaft; 8-a coupler; 9-driving a motor; 10-a drop hole;
11-a boss; 12-a flange; 13-water outlet; 14-a water inlet; 15-straight stirring blades;
16-an overflow hole; 17-a filter screen; 18-a support frame; 19-a delivery pump; 201-a discharge gate valve;
202-an outgoing valve; 203-pump outlet valve; 204-circulation valve; 205-a reflux valve; 206-liquid inlet valve;
21-through hole
Detailed Description
As shown in fig. 1-2, the rapid demulsifier diluting device provided by the utility model comprises a tank body 2 and a sealing cover 1, wherein the sealing cover 1 is detachably connected to the tank body 2, and the upper end of the sealing cover is provided with a demulsifier feeding pipe 4 and a diluent feeding pipe 5 in bilateral symmetry; the outer side wall of the tank body is provided with a jacket 3, the upper end of the jacket close to the top end of the tank body is provided with a water outlet 13, and the lower end of the jacket close to the bottom end of the tank body is provided with a water inlet 14; a distribution disc 6 is arranged in the tank body, a plurality of bosses 12 are welded on the upper part of the inner side wall of the tank body, the distribution disc 6 is movably arranged on the bosses 12, and the peripheral edge of the distribution disc is attached to the inner wall of the tank body; a stirring shaft 7 penetrates through the middle part of the distribution plate 6; the upper end of the stirring shaft 7 extends out of the sealing cover 1 and is connected with a driving motor 9 through a coupler 8, the bottom end of the stirring shaft 7 is provided with anchor type stirring blades, and the middle part of the stirring shaft is equidistantly provided with 1-3 straight stirring blades 15; a discharge hole is formed in the bottom of the tank body 2, and a filter screen 17 is arranged at a position close to the discharge hole in the tank body; the discharge port is connected with the inlet of the delivery pump 19 through a pipe valve; the outlet of the feed pump 19 is connected to the diluter outlet and/or the diluent feed line via a line valve.
To facilitate the fixing of the dilution unit, a support 19 is mounted at the bottom of the jacket.
Because demulsifier feed pipe 4 sets up in closing cap 1 one side, and for vertical feeding, for make the demulsifier get into the jar body after the better dispersion to the plate of distributor 6, the afterbody of demulsifier feed pipe 4 is certain inclination and bends to jar body center.
Because the diluent feed pipe 5 is arranged on the other side of the sealing cover 1 opposite to the demulsifier feed pipe 4 and is used for horizontal feeding, in order to ensure that the diluent can better wash the distribution plate 6, the tail part of the diluent feed pipe 5 is inclined at a certain angle and is bent to the lower part of the tank body.
The tank body 2 and the sealing cover 1 are both provided with flanges 12, a plurality of through holes 21 are formed in the flanges, and the tank body 2 is connected with the sealing cover 1 through bolts penetrating through the flange through holes 21.
Further, in order to ensure that the demulsifier entering the tank body 2 falls into the diluent phase in the form of dispersed liquid drops, a plurality of dropping holes 10 are uniformly formed on the distribution plate 6; preferably, the inner diameter of the dripping hole 10 is 3-6 mm.
Further, in order to ensure that the stirrer rotates stably on the stirring shaft 7 and avoid collision with the side wall of the tank body 2 in the rotating process, the distribution plate 6 is connected with the stirring shaft 7 penetrating through the distribution plate by adopting a bearing.
Further, on the premise of ensuring that the materials in the tank body are fully stirred, in order to further reduce the stirring resistance, a plurality of overflowing holes 16 are formed in the straight stirring blade 15.
The demulsifier rapid dilution device provided by the utility model has the following working process:
before feeding, firstly checking to ensure that valves on a pipeline are all in a closed state; connecting the water inlet/outlet of the jacket 3 with an external heating device, and circularly introducing warm water to preserve the temperature of the tank body 2; then, opening a reflux valve 205 and a liquid inlet valve 206, conveying the preheated and metered diluent into the tank body through a diluent inlet by corresponding conveying equipment, closing the liquid inlet valve 206, and simultaneously starting a driving motor 9 to drive a stirring shaft 7 and stirring blades thereof in the tank body to rotate; at the moment, the demulsifier which is preheated and metered is conveyed into the tank body by corresponding conveying equipment through a demulsifier feed pipe 4, is dispersed into small droplets through a distribution plate 6 and falls into a diluent phase, and the demulsifier and the diluent are quickly mixed under the action of a stirring blade. After stirring for a period of time, respectively opening the discharge port valve 201, the pump outlet valve 203 and the circulating valve 204, simultaneously starting the delivery pump 19, pumping out the mixed material in the tank body from the bottom of the tank body, flowing through the external circulating pipeline, and flowing in from the upper part of the tank body through the diluent feeding pipe, on one hand, flushing the residual demulsifier of the distribution plate, on the other hand, strengthening the mixing of the material, and ensuring the full and rapid dilution process. After the material is diluted, the outward sending valve 202 is opened, the pump outlet valve 203 and the circulating valve 204 are closed at the same time, and the demulsifier diluent is pumped out from the bottom of the tank body 2 after being intercepted by the filter screen and is sent out to the filling unit through the delivery pump 19.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a quick diluting device of demulsifier which characterized in that: the anti-freezing tank comprises a tank body and a sealing cover, wherein the sealing cover is detachably connected to the tank body, and the upper end of the sealing cover is bilaterally and symmetrically provided with a demulsifier feeding pipe and a diluent feeding pipe; the outer side wall of the tank body is provided with a jacket, the upper end of the jacket close to the top end of the tank body is provided with a water outlet, and the lower end of the jacket close to the bottom end of the tank body is provided with a water inlet; a distribution disc is arranged in the tank body, a plurality of bosses are welded on the upper part of the inner side wall of the tank body, the distribution disc is movably arranged on the bosses, and the peripheral edges of the distribution disc are attached to the inner wall of the tank body; a stirring shaft penetrates through the middle part of the distribution plate; the upper end of the stirring shaft extends out of the sealing cover and is connected with a driving motor through a coupler, the bottom end of the stirring shaft is provided with anchor type stirring blades, and the middle part of the stirring shaft is equidistantly provided with 1-3 straight type stirring blades; a discharge hole is formed in the bottom of the tank body, and a filter screen is arranged at a position, close to the discharge hole, in the tank body; the discharge port is connected with the inlet of the delivery pump through a pipe valve; the outlet of the transfer pump is connected to the diluent outlet and/or diluent feed line via a line valve.
2. The demulsifier rapid dilution apparatus according to claim 1, wherein: the tail part of the demulsifier feed pipe is at a certain inclination angle and is bent to the center of the tank body.
3. The demulsifier rapid dilution apparatus according to claim 1, wherein: the diluent feed pipe afterbody is certain inclination and bends to jar body lower part.
4. The demulsifier rapid dilution apparatus according to claim 1, wherein: the tank body and the sealing cover are both provided with flanges, a plurality of through holes are formed in corresponding positions of the flanges, and the tank body is connected with the sealing cover through bolts penetrating through the flange through holes.
5. The demulsifier rapid dilution apparatus according to claim 1, wherein: and a plurality of dripping holes are uniformly formed in the distribution disc.
6. The demulsifier rapid dilution apparatus according to claim 1, wherein: the distribution disc is connected with a stirring shaft penetrating through the distribution disc by adopting a bearing.
7. The demulsifier rapid dilution apparatus according to claim 1, wherein: and a plurality of overflowing holes are formed in the straight stirring blades.
8. The demulsifier rapid dilution apparatus according to claim 1, wherein: the bottom of the jacket is provided with a support frame.
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CN202120665772.2U CN215311656U (en) | 2021-03-31 | 2021-03-31 | Quick diluting device of demulsifier |
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CN202120665772.2U CN215311656U (en) | 2021-03-31 | 2021-03-31 | Quick diluting device of demulsifier |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115487701A (en) * | 2022-10-27 | 2022-12-20 | 重庆市智翔铺道技术工程有限公司 | Reaction type double-sizing material centralized mixer |
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2021
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115487701A (en) * | 2022-10-27 | 2022-12-20 | 重庆市智翔铺道技术工程有限公司 | Reaction type double-sizing material centralized mixer |
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