CN217119419U - NMMO solvent mud bubble remove device - Google Patents
NMMO solvent mud bubble remove device Download PDFInfo
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- CN217119419U CN217119419U CN202220597868.4U CN202220597868U CN217119419U CN 217119419 U CN217119419 U CN 217119419U CN 202220597868 U CN202220597868 U CN 202220597868U CN 217119419 U CN217119419 U CN 217119419U
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Abstract
The utility model discloses a NMMO solvent mud bubble remove device, including the mud collection tank, the mud collection tank top seals the setting, one side intercommunication at mud collection tank top has the inlet pipe, one side intercommunication at mud collection tank bottom has the discharging pipe, the mud collection tank top rotates and is connected with the (mixing) shaft of vertical setting, the (mixing) shaft passes the mud collection tank and extends to in the mud collection tank, one side fixedly connected with a plurality of first defoaming subassemblies that the interval set up of (mixing) shaft that is located in the mud collection tank, first defoaming subassembly includes the stirring vane that the level set up, fixedly connected with the lug that is used for the defoaming on stirring vane's the lateral wall, the lug is the toper setting; and a driving device for driving the stirring shaft to rotate is also arranged at the top of the slurry collecting tank. The utility model discloses a setting sets up the (mixing) shaft and at (mixing) shaft both sides cross arrangement first defoaming subassembly and second defoaming subassembly in the mud collection tank, is convenient for rotate the centrifugal force that the in-process produced through first defoaming subassembly and second defoaming subassembly with the bubble breakage.
Description
Technical Field
The utility model relates to an equipment technical field is used in the fibre production, especially relates to a NMMO solvent mud bubble remove device.
Background
Soluble fiber, namely lyocell fiber, is a novel regenerated cellulose fiber, and is regarded and favored by people because raw materials, production process and products are all green and environment-friendly. The production process of the lyocell fiber is that raw material pulp is mostly dissolved in aqueous solution of N-methylmorpholine-N oxide (NMMO), the pulp can be used for spinning after being fully swelled and dissolved in the NMMO, wherein the NMMO solvent can be recycled, and therefore, the recovery rate of the NMMO solvent is a main factor influencing the production cost of the lyocell fiber.
In the process of recycling the NMMO, a series of purifications are required to be carried out on the NMMO solvent so as to discharge residual hemicellulose or impurities in the NMMO solvent, and the discharged impurities or hemicellulose still contains residual NMMO solvent. In order to further increase the recovery of NMMO solvent, the discharged impurities and hemicellulose have to be further treated. Adding trace polyaluminium chloride and polyacrylamide into the slurry to enable cellulose, hemicellulose or impurities to form a cluster and float on the upper part of the solvent in a bubble manner, and uniformly recovering scum floating on the upper part of the solvent to a slurry collecting tank. Because the scum contains foam, the scum is easy to float on the upper part of the mud collecting tank, thereby causing difficulty in scum conveying, and the condition of idle running of equipment is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model provides a NMMO solvent mud bubble remove device to solve above-mentioned technical problem.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an NMMO solvent mud bubble eliminating device comprises a mud collecting tank, wherein the top of the mud collecting tank is sealed, one side of the top of the mud collecting tank is communicated with a feeding pipe, one side of the bottom of the mud collecting tank is communicated with a discharging pipe, the top of the mud collecting tank is rotatably connected with a vertically arranged stirring shaft, the stirring shaft penetrates through the mud collecting tank and extends into the mud collecting tank, one side of the stirring shaft in the mud collecting tank is fixedly connected with a plurality of first defoaming assemblies arranged at intervals, each first defoaming assembly comprises a horizontally arranged stirring blade, a convex block for defoaming is fixedly connected to the side wall of each stirring blade, and the convex block is arranged in a conical shape; and a driving device for driving the stirring shaft to rotate is also arranged at the top of the slurry collecting tank.
Preferably, the second defoaming subassembly that a plurality of intervals of opposite side fixedly connected with of (mixing) shaft set up, and the second defoaming subassembly includes the staple bolt, and the staple bolt cover is established on the (mixing) shaft and is passed through bolt and (mixing) shaft fixed connection, fixedly connected with frame on the surface of staple bolt one side, frame fixedly connected with wire net.
Preferably, the driving device comprises a stirring motor, an output shaft of the stirring motor is in transmission connection with a transmission shaft horizontally arranged, the end part of the transmission shaft is in transmission connection with a first bevel gear, and a stirring shaft above the slurry collecting tank is fixedly connected with a second bevel gear meshed with the first bevel gear.
Preferably, the (mixing) shaft is the open and bottom sealed cavity structure in top, and (mixing) shaft top intercommunication has the storage tank, and stirring vane is the equal open cavity structure who sets up in both ends, and stirring vane sets up with the (mixing) shaft intercommunication.
Preferably, a one-way valve is arranged in the stirring shaft above the slurry collecting tank, and one end of the stirring blade far away from the stirring shaft is fixedly connected with a filter screen.
Preferably, the check valve includes the screen cloth that the level set up, screen cloth fixed connection is in the (mixing) shaft, install the valve piece that the hemisphere set up in the (mixing) shaft of screen cloth top, the one end that the screen cloth was kept away from to the valve piece is the arc setting, the compression spring of the vertical setting of valve piece bottom fixedly connected with, compression spring bottom fixed connection is on the screen cloth, fixedly connected with advances the liquid board in the (mixing) shaft of screen cloth top, advance and set up the trompil with valve piece looks adaptation on the liquid board, compression spring is the trompil setting of contradicting of valve piece under natural state.
Preferably, the lower part fixedly connected with cleaning motor of mud collection tank lateral wall, the transmission is connected with the lead screw that the level set up on cleaning motor's the output shaft, and the lead screw is located the (mixing) shaft below, and the lead screw passes mud collection tank and its both ends all rotate with mud collection tank and be connected, and threaded connection has the connecting rod on the lead screw, and the both ends sliding connection of connecting rod is on the inside wall of mud collection tank, connecting rod bottom fixedly connected with cleaning brush.
Preferably, the slider that the equal fixedly connected with T type in both ends of connecting rod set up, set up the spout with slider looks adaptation in the mud collection tank, slider sliding connection is in the spout.
Preferably, the observation port is further formed in the top of the slurry collection tank, the cover body is in threaded connection with the observation port and is selected from transparent plastic materials, the cover plate is in threaded connection with the top of the storage tank, and the transparent observation window is formed in the middle of the cover plate.
Preferably, the upper part of the inner side wall of the slurry collection tank is fixedly connected with an upper limit liquid level sensor, and the lower part of the inner side wall of the slurry collection tank is fixedly connected with a lower limit liquid level sensor.
The utility model discloses the beneficial effect who has does: (1) the utility model is provided with the stirring shaft in the slurry collecting tank and the first defoaming component and the second defoaming component are arranged on both sides of the stirring shaft in a crossed way, so that bubbles can be broken by the centrifugal force generated in the rotating process of the first defoaming component and the second defoaming component; (2) the first defoaming assembly comprises a stirring blade and a conical bulge fixedly connected to the stirring blade, so that bubbles can be conveniently crushed through the bulge, and the crushing efficiency is improved; the second defoaming assembly comprises a frame and a wire mesh arranged on the inner wall of the frame, the crushing operation of bubbles is facilitated through the wire mesh, the crushing efficiency is further improved, and the cross-arranged stirring shaft and the frame reduce dead zones for eliminating bubbles, so that the working efficiency is further improved; (3) the stirring blades, the stirring shaft and the storage tank are communicated, so that materials in the storage tank, such as a defoaming agent, can flow into the slurry collection tank through the stirring blades, and the defoaming efficiency is improved; (4) the lead screw is connected through the transmission of the end part of the output shaft of the cleaning motor, the connecting rod is connected with the lead screw in a threaded mode, the horizontal movement of the connecting rod is convenient to drive through the cleaning motor, meanwhile, the bottom of the connecting rod is provided with the cleaning brush, the bottom of the cleaning brush is abutted to slurry collecting tank bottoms, the bottom of the slurry collecting tank is convenient to clean, and therefore the accumulation of materials at the bottoms of the slurry collecting tank is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection relationship between the check valve and the connecting shaft of the present invention;
fig. 3 is a schematic view of the connection relationship between the connecting rod and the cleaning brush of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
An NMMO solvent mud bubble eliminating device is shown in figure 1 and comprises a mud collecting tank 1, wherein the top of the mud collecting tank 1 is fixedly connected with an end cover 2 through a bolt, namely, the top of the mud collecting tank 1 is closed and arranged, one side of the end cover 2 is communicated with a feeding pipe 3, one side of the bottom of the mud collecting tank 1 is communicated with a discharging pipe 4, the top of the mud collecting tank 1 is rotatably connected with a vertically arranged stirring shaft 5, the stirring shaft 5 penetrates through the mud collecting tank 1 and extends into the mud collecting tank 1, one side of the stirring shaft 5 in the mud collecting tank 1 is fixedly connected with a plurality of first defoaming assemblies arranged at intervals, each first defoaming assembly comprises a horizontally arranged stirring blade 6, a convex block 7 for defoaming is fixedly connected to the side wall of each stirring blade 6, and each convex block 7 is arranged in a conical shape; the top of the mud collecting tank 1 is also provided with a driving device for driving the stirring shaft 5 to rotate. When the device is used, the stirring shaft 5 is driven to rotate by the driving device, the stirring shaft 5 drives the stirring blade 6 to rotate, the convex blocks 7 arranged on the surface of the stirring blade 6 in the rotating process facilitate the crushing of the foam in the slurry collecting tank 1, and meanwhile, the centrifugal force generated in the rotating process of the stirring blade 6 can also destroy the surface tension of the bubbles, so that the bubbles are crushed; in addition, the slurry collecting tank 1 with the closed top avoids the overflow of foam, and the pollution of tiny particles attached to the surface of the slurry collecting tank to the environment is reduced.
Further, as shown in fig. 1, the second defoaming subassembly that a plurality of intervals of opposite side fixedly connected with of (mixing) shaft 5 set up, the second defoaming subassembly includes staple bolt 8, staple bolt 8 cover is established on (mixing) shaft 5 and through bolt and (mixing) shaft 5 fixed connection, staple bolt 8 keeps away from fixedly connected with frame 9 on the surface of stirring vane 6 one side, fixedly connected with wire net 10 on the inner wall of frame 9, wire net 10 mesh diameter does not do specific restriction here, can set up according to the size of foam in the production, its mesh diameter is less than the diameter of most foams under the general condition. When the foam crusher is used, the driving device drives the stirring shaft 5 to rotate, the frame 9 also rotates immediately in the rotating process of the stirring shaft 5, and the steel wire mesh 10 on the inner wall of the frame 9 is utilized to crush foam in the rotating process of the frame 9, so that the workload of workers is reduced, and the working efficiency is improved. Simultaneously, first defoaming subassembly and second defoaming subassembly cross arrangement to further enlarge the device's bubble elimination scope, reduce its bubble and eliminate the blind area, improve the efficiency that the bubble was eliminated.
Further, as shown in fig. 1, the driving device includes a stirring motor 11, an output shaft of the stirring motor 11 is in transmission connection with a transmission shaft 12 horizontally arranged, an end of the transmission shaft 12 is in transmission connection with a first bevel gear 13, and a second bevel gear 14 meshed with the first bevel gear 13 is fixedly connected to the stirring shaft 5 above the slurry collecting tank 1. The stirring motor 11 is started, the output shaft of the stirring motor 11 drives the transmission shaft 12 to rotate, the transmission shaft 12 drives the first bevel gear 13 to rotate, and the first bevel gear 13 drives the second bevel gear 14 to rotate, so that the rotation of the stirring shaft 5 is realized.
Further, (mixing) shaft 5 is the open and sealed cavity structure in bottom in top, and (mixing) shaft 5 top intercommunication has storage tank 27, and stirring vane 6 is the equal open cavity structure who sets up in both ends, and stirring vane 6 sets up with (mixing) shaft 5 intercommunication. Through setting up (mixing) shaft 5 be convenient for add the auxiliary material through storage tank 27 to mud collecting tank 1 for the cavity structure, like the defoaming agent, the auxiliary material in the storage tank 27 gets into stirring vane 6 and gets into mud collecting tank 1 through the opening of stirring vane 6 tip through (mixing) shaft 5 to be convenient for accelerate the elimination of bubble, improve work efficiency.
Further, as shown in fig. 1, a one-way valve is installed in the stirring shaft 5 above the slurry collecting tank 1, and a filter screen 29 is fixedly connected to one end of the stirring blade 6 far away from the stirring shaft 5. Avoid the material in the mud collecting tank 1 to get into storage tank 27 through (mixing) shaft 5 through setting up the check valve, and the setting of filter screen can be broken the bubble that this filter screen 29 contacted on the one hand, and on the other hand also filters the material that gets into in the mud collecting tank 1 through storage tank 27 and carries out the breakage to the bubble wherein, avoids increasing the quantity of bubble in the mud collecting tank 1.
Specifically, as shown in fig. 1 and fig. 2, the check valve includes a horizontally disposed screen 28, the screen 28 is fixedly connected in a stirring shaft 5, a hemispherical valve block 15 is installed in the stirring shaft 5 above the screen 28, an end of the valve block 15 away from the screen 28 is disposed in an arc shape, a vertically disposed compression spring 16 is fixedly connected to a bottom of the valve block 15, a bottom of the compression spring 16 is fixedly connected to the screen 28, a liquid inlet plate 17 is fixedly connected to the inside of the stirring shaft 5 above the screen 28, an opening 18 matched with the valve block 15 is formed in the liquid inlet plate 17, the valve block 15 abuts against the opening 18 in the natural state of the compression spring 16, so as to seal the opening 18, thereby preventing the material in the slurry collection tank 1 from entering the storage tank 27 through the check valve, and under the action of the material in the storage tank 27, the valve block 15 moves toward the direction close to the screen 28, the opening 18 is opened, and the material passes through the opening 18, The screen 28 enters the stirring shaft 5, and after the material is conveyed, the valve block 15 is reset under the elasticity of the compression spring 16, and the opening 18 is closed.
Specifically, as shown in fig. 1, the clean motor 19 of lower part fixedly connected with of mud collection tank 1 lateral wall, the transmission is connected with the lead screw 20 that the level set up on the output shaft of clean motor 19, lead screw 20 is located (mixing) shaft 5 below, lead screw 20 passes mud collection tank 1 and its both ends all rotates with mud collection tank 1 to be connected, threaded connection has connecting rod 21 on the lead screw 20, the both ends sliding connection of connecting rod 21 is on the inside wall of mud collection tank 1, connecting rod 21 bottom fixedly connected with cleaning brush 22, clean brush 22 bottom contradicts the diapire setting of mud collection tank 1. During the use, start cleaning motor 19, cleaning motor 19's output shaft drives lead screw 20 and rotates, and lead screw 20 drives connecting rod 21 and realizes the removal of horizontal direction to make cleaning brush 22 clear up the diapire of mud holding vessel 1, avoid piling up of its mud holding vessel 1 bottom silt.
Further, as shown in fig. 3, both ends of the connecting rod 21 are fixedly connected with sliding blocks 23 arranged in a T shape, sliding grooves matched with the sliding blocks 23 are formed in the slurry collecting tank 1, and the sliding blocks 23 are slidably connected in the sliding grooves.
Further, an observation port 24 has been seted up on the top of the slurry collection tank 1, and threaded connection at observation port 24 has an end cover, and the lid is selected from transparent plastics material, and storage tank 27 top threaded connection has a apron, and the apron mid-mounting has a transparent observation window that sets up. Through setting up the lid into transparent plastic material be convenient for observe the condition in the mud collecting tank 1 through viewing aperture 24, lead to the observation window and be convenient for observe what of auxiliary material in the storage tank 27 to in time add the material.
Furthermore, an upper limit liquid level sensor 25 is fixedly connected to the inner wall side of the slurry collecting tank 1 between the stirring shaft 5 at the top and the frame 9 at the top, a lower limit liquid level sensor 26 is fixedly connected to the lower portion of the inner wall of the slurry collecting tank 1, and electromagnetic valves are mounted on the feeding pipe 3, the discharging pipe 4 and the stirring shaft 5 above the one-way valve. The device also comprises a controller which is electrically connected with the upper limit liquid level sensor 25, the lower limit liquid level sensor 26, the stirring motor 11, the cleaning motor 19 and the electromagnetic valve, and the controller is also provided with a control button for starting the stirring motor 11 and the cleaning motor 19.
When the device is used, the electromagnetic valves on the discharge pipe 4 and the stirring shaft 5 are closed, the electromagnetic valve on the feed pipe 3 is opened, scum enters the slurry collecting tank 1 through the feed pipe 3, when the liquid level reaches the upper limit liquid level sensor 25, a signal is transmitted to the controller, the controller closes the electromagnetic valve at the feed pipe 3, the stirring motor 11 is started at the same time, the output shaft of the stirring motor 11 drives the transmission shaft 12 to rotate, the transmission shaft 12 drives the second bevel gear 14 to rotate through the first bevel gear 13, so that the stirring shaft 5 rotates, the frame 9 and the stirring blades 6 are driven to rotate in the rotating process of the stirring shaft 5, bubbles are crushed by the wire netting on the frame 9 and the bulges on the stirring blades 6, manual bubble crushing of workers is avoided, and the working efficiency is improved; after bubbles are eliminated, opening an electromagnetic valve on a discharge pipe 4, discharging materials through the discharge pipe 4 and entering the next process, when the liquid level reaches a lower limit liquid level sensor 26, sending a signal to a controller by the lower limit liquid level sensor 26, turning off a stirring motor 11 by the controller, starting a cleaning motor 19 at the same time, driving a lead screw 20 to rotate by an output shaft of the cleaning motor 19, and further realizing the horizontal movement of a connecting rod 21 so as to clean the bottom of a slurry collection tank 1 and reduce the attachment and accumulation of the materials; in addition, if the operator finds that the slurry collection tank 1 has a large amount of bubbles through the observation port 24 but the agitator motor 11 is not yet started, the agitator motor 11 may be manually started.
The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.
Claims (10)
1. The utility model provides a NMMO solvent mud bubble remove device, includes the mud collection tank, its characterized in that: the top of the slurry collection tank is closed, one side of the top of the slurry collection tank is communicated with a feeding pipe, one side of the bottom of the slurry collection tank is communicated with a discharging pipe, the top of the slurry collection tank is rotatably connected with a vertically arranged stirring shaft, the stirring shaft penetrates through the slurry collection tank and extends into the slurry collection tank, one side of the stirring shaft in the slurry collection tank is fixedly connected with a plurality of first defoaming assemblies which are arranged at intervals, each first defoaming assembly comprises a horizontally arranged stirring blade, a convex block for defoaming is fixedly connected to the side wall of each stirring blade, and the convex block is arranged in a conical shape; and a driving device for driving the stirring shaft to rotate is also arranged at the top of the slurry collecting tank.
2. The NMMO solvent mud bubble elimination apparatus of claim 1, wherein: the second defoaming subassembly that a plurality of intervals of opposite side fixedly connected with of (mixing) shaft set up, second defoaming subassembly and first defoaming subassembly cross arrangement, and second defoaming subassembly includes the staple bolt, and the staple bolt cover is established on the (mixing) shaft and through bolt and (mixing) shaft fixed connection, fixedly connected with frame on the surface of staple bolt one side, frame fixedly connected with wire net.
3. The NMMO solvent mud bubble elimination apparatus of claim 2, wherein: the driving device comprises a stirring motor, an output shaft of the stirring motor is in transmission connection with a transmission shaft horizontally arranged, the end part of the transmission shaft is in transmission connection with a first bevel gear, and a stirring shaft above the slurry collecting tank is fixedly connected with a second bevel gear meshed with the first bevel gear.
4. The NMMO solvent mud bubble elimination apparatus of claim 3, wherein: the (mixing) shaft is the open and bottom sealed cavity structure in top, and (mixing) shaft top intercommunication has the storage tank, and stirring vane is the equal open cavity structure who sets up in both ends, and stirring vane sets up with the (mixing) shaft intercommunication.
5. The NMMO solvent mud bubble elimination apparatus of claim 4, wherein: a one-way valve is arranged in the stirring shaft above the slurry collecting tank, and one end of the stirring blade far away from the stirring shaft is fixedly connected with a filter screen.
6. The NMMO solvent mud bubble elimination apparatus of claim 4, wherein: the check valve includes the screen cloth that the level set up, screen cloth fixed connection is in the (mixing) shaft, install the valve piece that the hemisphere set up in the (mixing) shaft of screen cloth top, the one end that the screen cloth was kept away from to the valve piece sets up for the arc, the compression spring of the vertical setting of valve piece bottom fixedly connected with, compression spring bottom fixed connection is on the screen cloth, fixedly connected with advances the liquid board in the (mixing) shaft of screen cloth top, advance and set up the trompil with valve piece looks adaptation on the liquid board, compression spring is the trompil setting of contradicting of valve piece under natural state.
7. The NMMO solvent mud bubble elimination apparatus of any one of claims 1-6, wherein: the lower part fixedly connected with cleaning motor of mud collection tank lateral wall, the transmission is connected with the lead screw that the level set up on cleaning motor's the output shaft, and the lead screw is located the (mixing) shaft below, and the lead screw passes the mud collection tank and its both ends all rotate with the mud collection tank to be connected, and threaded connection has the connecting rod on the lead screw, and the both ends sliding connection of connecting rod is on the inside wall of mud collection tank, connecting rod bottom fixedly connected with cleaning brush.
8. The NMMO solvent mud bubble elimination apparatus of claim 7, wherein: the slider that the equal fixedly connected with T type in both ends of connecting rod set up, set up in the mud collection tank with the spout of slider looks adaptation, slider sliding connection is in the spout.
9. The NMMO solvent mud bubble elimination apparatus of claim 8, wherein: the observation port has still been seted up on the mud collection tank deck portion, and observation port department threaded connection has the lid, and the lid is selected from transparent plastics material, and storage tank deck portion threaded connection has the apron, and the apron mid-mounting has the transparent observation window that sets up.
10. The NMMO solvent mud bubble elimination apparatus of claim 8, wherein: the upper portion fixedly connected with upper limit level sensor of the inside wall of mud collection tank, the lower part fixedly connected with lower limit level sensor of the inside wall of mud collection tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220597868.4U CN217119419U (en) | 2022-03-18 | 2022-03-18 | NMMO solvent mud bubble remove device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220597868.4U CN217119419U (en) | 2022-03-18 | 2022-03-18 | NMMO solvent mud bubble remove device |
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| Publication Number | Publication Date |
|---|---|
| CN217119419U true CN217119419U (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220597868.4U Active CN217119419U (en) | 2022-03-18 | 2022-03-18 | NMMO solvent mud bubble remove device |
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| Country | Link |
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| CN (1) | CN217119419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583767A (en) * | 2022-11-05 | 2023-01-10 | 湖北江汉利达石油物资装备有限公司 | Drilling mud clean system |
-
2022
- 2022-03-18 CN CN202220597868.4U patent/CN217119419U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583767A (en) * | 2022-11-05 | 2023-01-10 | 湖北江汉利达石油物资装备有限公司 | Drilling mud clean system |
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