CN204034715U - A kind of hydraulic energy-saving hydrolyzer - Google Patents
A kind of hydraulic energy-saving hydrolyzer Download PDFInfo
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- CN204034715U CN204034715U CN201420444522.6U CN201420444522U CN204034715U CN 204034715 U CN204034715 U CN 204034715U CN 201420444522 U CN201420444522 U CN 201420444522U CN 204034715 U CN204034715 U CN 204034715U
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- hydrolyzer
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- hydraulic means
- agitating device
- pump
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Abstract
The utility model provides a kind of hydraulic energy-saving hydrolyzer, and this hydrolyzer comprises casing and is arranged on the agitating device in described casing, it is characterized in that, this hydrolyzer also comprises hydraulic means, and described hydraulic means is connected with described agitating device.The hydraulic energy-saving hydrolyzer that the utility model provides mainly to be connected with agitating device by hydraulic means and to fetch as agitating device directly provides power, this hydrolyzer is used for co-hydrolysis and produces in the technique of polyacrylamide polymer, can save energy and reduce the cost, reduce production cost.
Description
Technical field
The utility model relates to a kind of hydraulic energy-saving hydrolyzer, is mainly co-hydrolysis and prepares hydrolyzer used in polyacrylamide polymer technique, belong to hydrolysis process technical field.
Background technology
The hydrolysis process of polyacrylamide polymer is divided into front hydrolysis process and rear hydrolysis process.Rear hydrolysis process is that acrylamide monomer becomes colloid after polymerization, by a Granulation Equipments by its granulation, then be the solid sodium hydroxide mix and blend hydrolysis of 90-99.99% with purity under the heating condition of 50-95 DEG C, adding alkali ratio is 5%-60%, and hydrolysis time is 2-10h.Hydrolysis reactor (abbreviation hydrolyzer) cylindrical shell skin is chuck, carries out heating hydrolysis by heat medium to material.Material after hydrolysis, again through secondary granulation, is delivered to drying bed, dry, pulverize, and screening, obtains industrial products.Can be greater than 2,500 ten thousand even 3,500 ten thousand by the polyacrylamide polymer industrial products molecular weight of rear hydrolysis process, product is well water-soluble simultaneously.
Although many one hydrolyzing process of rear hydrolysis process, the initial reaction temperature of polymerisation is low and do not add alkali, avoids bringing into of some impurity, the product that the relative molecular weight that is easy to get is high.Polyacrylamide polymer many employings the method for the super high molecular weight of current extensive use is produced.
The object of a granulation of rear hydrolysis is in order to the granulation of polyacrylamide bulk blob of viscose, then under agitation adding highly basic, because polyacrylamide polymer is not the good conductor of heat, being heated evenly to make it, also be in order to sodium hydrate particle is evenly distributed simultaneously, must apply to stir.But the hydrolyzer used at present is that the mode adopting motor straight to connect hydrolyzer agitating device in succession provides stirring power substantially.As hydrolyzer disclosed in CN202139189B, because hydrolyzer itself is without the need to too fast rotating speed, after the motor of this hydrolyzer can connect a decelerator, drive agitating device again.This in the mode of motor direct-drive agitating device, power is comparatively large, usually at more than 100kW, and staring torque is little, will must start when a granulation starts, if start in pilot process, because material viscosity is comparatively large, easily cause motor to suppress to stop, need people to be the accident drawing out material.In addition, because a granulation needs several hours usually, therefore energy consumption of electrical machinery is very large, adds the cost that rear hydrolysis process produces polyacrylamide polymer.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of hydraulic energy-saving hydrolyzer.This hydrolyzer is used for co-hydrolysis and produces in the technique of polyacrylamide polymer, can save energy and reduce the cost, and reduces production cost.
For achieving the above object, the utility model provides a kind of hydraulic energy-saving hydrolyzer, and this hydrolyzer comprises casing and is arranged on the agitating device in described casing, it is characterized in that, this hydrolyzer also comprises hydraulic means, and described hydraulic means is connected with described agitating device.The effect of this hydraulic means is to provide the direct driving force of agitating device.
In above-mentioned hydrolyzer, preferably, described hydraulic means comprises the motor, hydraulic transmission and the hydraulic transmission element that are linked in sequence, and the hydraulic transmission element in described hydraulic means is connected with described agitating device.Described hydraulic means can be conventional hydraulic means, and hydraulic transmission element is wherein connected with agitating device thus can operates by Direct driver agitating device.
In above-mentioned hydrolyzer, preferably, described hydraulic means is minimum stable engine speed 5-15 rev/min, the moment of torsion that produces is the hydraulic means of 100-5000Nm.Those skilled in the art can adjust moment of torsion according to needs of production, as long as in described scope.
In above-mentioned hydrolyzer, preferably, described hydraulic means is the hydraulic means of open type or the hydraulic means of enclosed.The hydraulic means of described open type and the hydraulic means of described enclosed are the hydraulic means of this area routine, its representative be the endless form of fluid.
In above-mentioned hydrolyzer, preferably, described hydraulic means is single pump, double pump or multi-pump hydraulic device.This pump refers to hydraulic pump.
In above-mentioned hydrolyzer, preferably, described hydraulic transmission comprises the conventional components such as oil pump, fuel tank, hydraulic pump and oil pipe.
In above-mentioned hydrolyzer, preferably, described motor is the motor of power 20-50kW.This power is about the conventional 1/2-1/5 by the power of motor direct-drive hydrolyzer.
In above-mentioned hydrolyzer, preferably, the mode that the hydraulic transmission element in described hydraulic means is connected with described agitating device comprises that buckle is connected, keyway connects or is threaded.Described hydraulic transmission element and agitating device can adopt any feasible mode to be connected, and connected mode described here is the preferred modes of some of them.
In above-mentioned hydrolyzer, preferably, described agitating device comprises shaft and stirs ribbon.The connection of described hydraulic transmission element and described agitating device is generally the connection of the output shaft of hydraulic transmission element and the shaft of agitating device.
The hydraulic energy-saving hydrolyzer that the utility model provides mainly is connected with agitating device by hydraulic transmission element, for agitating device provides power, prepare in the technique of polyacrylamide polymer at co-hydrolysis, running can not be needed in the most of the time of a granulation process, open by larger torque before a granulation terminates and stir, add NaOH simultaneously, under ensureing that material to mix and be hydrolyzed the prerequisite be heated evenly with NaOH, energy consumption is dropped to minimum, thus the shortcoming that the rear hydrolysis process energy consumption overcoming prior art is high.
When utilizing hydraulic energy-saving hydrolyzer of the present utility model to produce polyacrylamide polymer, can carry out according to following operating procedure: make purity be that the solid sodium hydroxide of 90-99.99wt% mixes in hydrolyzer with polymer billet, and hydrolysis is stirred under the condition of heating, the direct driving force of agitating device is provided by hydraulic means.
According to specific embodiments of the present utility model, preferably, utilize described hydrolyzer to produce in the method for polyacrylamide polymer, the addition of solid NuaO is the 5%-60% of polymer weight, and heating-up temperature is 50-95 DEG C, and hydrolysis time is 2-10h.
According to specific embodiments of the present utility model, preferably, utilize described hydrolyzer to produce in the method for polyacrylamide polymer, described stirring is batch type (batch type between batch).Because the utility model adopts the stirring of hydraulic means Direct driver hydrolyzer, the starting torque of hydrolyzer is larger, even if there is polymer wrapped to live shaft, still can complete stirring, after the polymer after a collection of granulation enters into hydrolyzer, open stirring so can meet again.Reduce energy consumption on the one hand, decrease the time that polymer beads is sheared mutually on the other hand, improve molecular weight.
According to specific embodiments of the present utility model, preferably, utilize described hydrolyzer to produce in the method for polyacrylamide polymer, the rotating speed of described stirring is 2-20 rev/min.Drive owing to adopting hydraulic means and stir, slower rotating speed can be realized, thus the shear degradation of polymer can be reduced, adapt to the demand of hydrolyzer without the need to too fast rotating speed itself.
In sum, hydraulic energy-saving hydrolyzer of the present utility model adopts hydraulic means directly to connect agitating device to provide the power of stirring, there is larger staring torque, can the agitating device of step startup, adjustable lower rotational frequency, ensure material (namely, polyacrylamide colloid particle) can Homogeneous phase mixing with the sodium hydrate particle that adds, ensure material uniform hydrolyses simultaneously, can not local heating uneven, ensure the HMW quality of product, reduce energy consumption significantly, reduce production cost.
Connect hydrolyzer agitating device in succession compared to current motor straight and provide stirring power, hydraulic energy-saving hydrolyzer of the present utility model mainly has following advantage:
1, adopting the motor of the smaller power of indirect drive the material of high viscosity just can be driven to stir by hydraulic means, realizing reducing energy consumption by reducing system power.
2, adopt hydraulic drive, moment is comparatively large, thus realizes hydrolyzer and intermittently start, and greatly shortens the running time of hydrolyzer in a granulation process, thus reduces energy consumption by shortening System production time.
3, hydraulic means is adopted to make speed of agitator slower, be generally 2-20 rev/min, reduce the shear degradation of polymer on the one hand, hydrolyzer itself is without the need to too fast rotating speed on the other hand, the shear degradation being also conducive to reduction polymer running time that hydrolyzer is shorter, obtains the polymeric articles of high-quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hydrolyzer of embodiment 1.
Fig. 2 A is the hydraulic transmission element of embodiment 1 and the connection keyway working face schematic diagram of agitating device.
Fig. 2 B is the hydraulic transmission element of embodiment 1 and the syndeton schematic diagram of agitating device.
Primary clustering symbol description:
Casing 11 agitating device 12 shaft 121 stirs ribbon 122
Motor 21 hydraulic transmission 22 hydraulic transmission element 23
Keyway working face 102
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and beneficial effect, existing following detailed description is carried out to the technical solution of the utility model, but can not be interpreted as can the restriction of practical range to the utility model.
Embodiment 1
The present embodiment provides a kind of hydraulic energy-saving hydrolyzer.
Shown in Figure 1, this hydrolyzer comprises casing 11, the agitating device 12 arranged in casing 11 and hydraulic means, this hydraulic means comprises the motor 21, hydraulic transmission 22 and the hydraulic transmission element 23 that are linked in sequence, and described hydraulic transmission element 23 is connected to drive agitating device to operate with described agitating device 12;
This agitating device 12 comprises shaft 121 and stirs ribbon 122.
Described hydraulic transmission element 23 and described agitating device 12 can adopt any feasible mode to be connected, keyway is adopted to connect in the present embodiment, refer to shown in Fig. 2 A and Fig. 2 B, by the shaft 121 at agitating device 12 and arrange corresponding key and keyway (denoting keyway working face 102 in Fig. 2 A) makes the two be connected and fixed on the output shaft of hydraulic transmission element.
Described hydraulic means is low speed high torque hydraulic device of the prior art, and its minimum stable engine speed is 5-15 rev/min, the moment of torsion of generation is 100-5000Nm;
Described hydraulic means is the hydraulic means of open type or the hydraulic means of enclosed;
Described hydraulic means is single pump, double pump or multi-pump hydraulic device;
Hydraulic transmission 22 comprises the conventional components such as oil pump, fuel tank, hydraulic pump and oil pipe;
The power of described motor 21 is 20-50kW, and this power is about the conventional 1/2-1/5 by the power of motor direct-drive hydrolyzer.
The hydrolyzer of the present embodiment adopts hydraulic means to be directly connected with agitating device, thus provides the direct driving force driving agitating device, uses the hydrolyzer of the present embodiment significantly can reduce energy consumption.
Application examples 1
The service condition providing the hydrolyzer of the direct driving force driving agitating device with hydraulic means of embodiment 1 is described with 48 tons stills (hydrolyzer) below.
First the polyacrylamide polymer after granulation is sent in hydrolyzer by conveyer; Raised temperature is to meet technological requirement; After temperature reaches, according to technological requirement, in hydrolyzer, add the solid sodium hydroxide (purity is 90-99.99wt%) of required amount, the addition of solid NuaO is the 5%-60% of polymer weight; Now polyacrylamide polymer micelle enters hydrolyzed state, is hydrolyzed according to the time of technological requirement; After being hydrolyzed, material is drawn off, deliver to next process procedure by conveyer.Associated process conditions and hydrolysis situation refer to table 1.Wherein, routine hydrolysis device is the hydrolyzer only comprising casing and agitating device and do not have hydraulic means.
Table 1
Application examples 2
The service condition providing the hydrolyzer of the direct driving force driving agitating device with hydraulic means of embodiment 1 is described with 45 tons stills (hydrolyzer) below.
First the polyacrylamide polymer after granulation is sent in hydrolyzer by conveyer; Raised temperature is to meeting technological requirement; After temperature reaches, according to technological requirement, in hydrolyzer, add the solid sodium hydroxide (purity is 90-99.99wt%) of required amount, the addition of solid NuaO is the 5%-60% of polymer weight; Now polyacrylamide polymer micelle enters hydrolyzed state, is hydrolyzed according to the time of technological requirement; After being hydrolyzed, material is drawn off, deliver to next process procedure by conveyer.Associated process conditions and hydrolysis situation refer to table 2.Wherein, routine hydrolysis device is the hydrolyzer only comprising casing and agitating device and do not have hydraulic means.
Table 2
As can be seen from above embodiment and application examples, co-hydrolysis is prepared in polyacrylamide polymer process, adopts the polymeric articles that hydrolyzer of the present utility model can reduce system power, reduce energy consumption, is conducive to obtaining high-quality.
Claims (9)
1. a hydraulic energy-saving hydrolyzer, this hydrolyzer comprises casing and is arranged on the agitating device in described casing, it is characterized in that, this hydrolyzer also comprises hydraulic means, and described hydraulic means is connected with described agitating device.
2. hydrolyzer according to claim 1, is characterized in that, described hydraulic means comprises the motor, hydraulic transmission and the hydraulic transmission element that are linked in sequence, and the hydraulic transmission element in described hydraulic means is connected with described agitating device.
3. hydrolyzer according to claim 1 and 2, is characterized in that, described hydraulic means is minimum stable engine speed 5-15 rev/min, the moment of torsion of generation is the hydraulic means of 100-5000Nm.
4. hydrolyzer according to claim 1 and 2, is characterized in that, described hydraulic means is the hydraulic means of open type or the hydraulic means of enclosed.
5. hydrolyzer according to claim 1 and 2, is characterized in that, described hydraulic means is single pump, double pump or multi-pump hydraulic device.
6. hydrolyzer according to claim 1 and 2, is characterized in that, described hydraulic transmission comprises oil pump, fuel tank, hydraulic pump and oil pipe.
7. hydrolyzer according to claim 2, is characterized in that, described motor is the motor of power 20-50kW.
8. hydrolyzer according to claim 2, is characterized in that, the mode that the hydraulic transmission element in described hydraulic means is connected with described agitating device comprises that buckle is connected, keyway connects or is threaded.
9. hydrolyzer according to claim 1, is characterized in that, described agitating device comprises shaft and stirs ribbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420444522.6U CN204034715U (en) | 2014-08-07 | 2014-08-07 | A kind of hydraulic energy-saving hydrolyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420444522.6U CN204034715U (en) | 2014-08-07 | 2014-08-07 | A kind of hydraulic energy-saving hydrolyzer |
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| Publication Number | Publication Date |
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| CN204034715U true CN204034715U (en) | 2014-12-24 |
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| CN201420444522.6U Expired - Fee Related CN204034715U (en) | 2014-08-07 | 2014-08-07 | A kind of hydraulic energy-saving hydrolyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086677A (en) * | 2014-01-23 | 2014-10-08 | 中国石油天然气股份有限公司 | Energy-saving hydrolyzer for preparation of polyacrylamide polymer by post-hydrolysis technique and method |
-
2014
- 2014-08-07 CN CN201420444522.6U patent/CN204034715U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086677A (en) * | 2014-01-23 | 2014-10-08 | 中国石油天然气股份有限公司 | Energy-saving hydrolyzer for preparation of polyacrylamide polymer by post-hydrolysis technique and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |