CN211864142U - Glyoxal aqueous solution filters agitating unit - Google Patents

Abstract

The utility model relates to a glyoxal aqueous solution filters agitating unit, it relates to the technical field of glyoxal aqueous solution preparation, and it includes the agitator, be equipped with one-level filtering component in the agitator, one-level filtering component's both ends with the top and the bottom of agitator rotate to be connected, filtering component is connected with drive assembly, the drive assembly drive one-level filtering component rotation. Reach the purpose of stirring through one-level filtering component is self-propagating for one-level filtering component can filter and can stir simultaneously, the utility model discloses the effect that has high filtration agitating unit work efficiency.

Description

Glyoxal aqueous solution filters agitating unit

Technical Field

The utility model belongs to the technical field of the technique of glyoxal aqueous solution preparation and specifically relates to a glyoxal aqueous solution filters agitating unit.

Background

Glyoxal is aliphatic dialdehyde with the simplest molecular structure, has the general property of aliphatic aldehyde and also has some special chemical properties, is an important chemical raw material and intermediate, and is widely applied to the fields of textile, medicine, metallurgy, environmental protection and the like.

The gas phase oxidation method of the glycol is a traditional method for producing the glyoxal, and most of glyoxal manufacturers in China currently adopt the method for production. The ethylene glycol gas phase oxidation method needs to react through an oxidizer, the oxidizer comprises a catalytic reaction section, a heat exchange section and a water quenching section, wherein the heat exchange section is used for exchanging heat between air and a circulating tail gas mixture and reaction gas, and the temperature of the air and the circulating tail gas mixture is raised to 400-500 ℃; then the air and the circulating tail gas mixture exchange heat with heat conduction oil, the heat conduction oil is heated to about 350 ℃, and the air and the circulating tail gas mixture is cooled to 250 ℃ of 200-; then, heat conducting oil provides heat for the raw material ethylene glycol for preheating, the ethylene glycol is vaporized at the temperature of 200-; and (4) chilling the product in a water chilling section after the reaction is finished to form a glyoxal aqueous solution. After the glyoxal water solution is manufactured, the glyoxal product is finally obtained after the steps of decoloring, vacuum suction filtration and the like are required.

The above prior art solutions have the following drawbacks: at the winter, the decoloration in-process, glyoxal aqueous solution may freeze, carries out the decoloration through filtering agitating unit, and filtering agitating unit includes filtration and stirring structure, and glyoxal aqueous solution stirs in the agitator, filters through filtration again. The filtering and stirring of the filtering and stirring device are separately carried out, the structure is relatively complex, and the efficiency of the filtering and stirring device is lower.

SUMMERY OF THE UTILITY MODEL

According to the not enough of prior art existence, the utility model aims at providing a glyoxal water solution filters agitating unit reaches the purpose of stirring through one-level filtering component self-transference for one-level filtering component can filter and can stir simultaneously, has the effect that improves and filters agitating unit work efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a glyoxal aqueous solution filters agitating unit, includes the agitator, be equipped with one-level filtering component in the agitator, one-level filtering component's both ends with the top and the bottom of agitator rotate to be connected, filtering component is connected with drive assembly, drive assembly drive one-level filtering component rotation.

Through adopting above-mentioned technical scheme, one-level filtering component plays the filtering action, and one-level filtering component can rotate under the drive assembly effect for one-level filtering component can realize the stirring in filterable.

The present invention may be further configured in a preferred embodiment as: the filter assembly comprises a filter plate which forms a cylinder shape, wherein the two ends of the filter plate are provided with a first-stage isolation plate close to the top end of the stirring barrel and a second-stage isolation plate close to the bottom end of the stirring barrel, the first-stage isolation plate is connected with a rotating shaft, and the rotating shaft is connected with a driving shaft of the driving assembly.

Through adopting above-mentioned technical scheme, the glyoxal aqueous solution that gets into in the agitator filters through the filter, and glyoxal aqueous solution after the filtration gets into the cylindrical cavity that the filter formed in. The filter constantly rotates under drive assembly's drive when carrying out the filtration, reaches the effect of stirring, reduces the condition that the glyoxal aqueous solution in the agitator appears freezing.

The present invention may be further configured in a preferred embodiment as: the position that ground was kept away from to the agitator is equipped with the feed inlet, the agitator bottom is equipped with the discharge gate, the second grade division board include with the bottom of agitator rotates and is connected with the discharging pipe, the discharging pipe with the discharge gate link up.

Through adopting above-mentioned technical scheme, in the glyoxal aqueous solution got into the agitator through the feed inlet, through the stirring of one-level filtering component and filtration back, from the discharging pipe output, reduce the condition that glyoxal aqueous solution does not directly export through filtering.

The present invention may be further configured in a preferred embodiment as: the bottom end of the stirring barrel is connected with a discharging cavity, the bottom of the discharging cavity close to the ground is provided with a discharging opening, and the discharging opening is provided with a secondary filtering component.

Through adopting above-mentioned technical scheme, the glyoxal aqueous solution gets into the intracavity of unloading after filtering, and the discharge opening position in unloading chamber is equipped with second grade filtering component, and glyoxal aqueous solution after the filtration further filters through second grade filtering component, plays the effect that improves the filter effect.

The present invention may be further configured in a preferred embodiment as: and a pressure detector is arranged between the discharging cavity and the stirring barrel, and the pressure detector is electrically connected with an alarm.

Through adopting above-mentioned technical scheme, inconvenient looking over the filtration condition in the agitator, the condition of blockking up appears when the filter, carries out the feeding in the filter vat simultaneously, can produce pressure differential between agitator and the chamber of unloading, through pressure detector's setting, can in time judge whether the jam condition appears in one-level filtering component, is convenient for in time overhaul filtering stirring device.

The present invention may be further configured in a preferred embodiment as: the unloading cavity is detachably connected with the stirring barrel, the stirring barrel comprises a side wall and a bottom plate, and the side wall is detachably connected with the bottom plate.

Through adopting above-mentioned technical scheme, the setting of being connected can be dismantled with the agitator to the chamber of unloading to and the setting can be dismantled to the lateral wall and the bottom plate of agitator, when the jam condition appears in one-level filtering component and the second grade filtering component of being convenient for, it is clean to carry out the split and repair the inspection.

The present invention may be further configured in a preferred embodiment as: the stirring barrel is sleeved with a jacket, a water inlet pipe is arranged at the position, close to the top end of the stirring barrel, of the jacket, a water outlet pipe is arranged at the position, close to the bottom of the discharging cavity, of the jacket, and a heating pipe is arranged in the jacket.

Through adopting above-mentioned technical scheme, the setting of clamp cover is so that add hot water, simultaneously, constantly heats hot water for it heats the glyoxal aqueous solution in the filter vat and the intracavity of unloading to add hot water, reduces the condition of crystallization in the glyoxal aqueous solution filtering process.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the primary filtering component, the primary filtering component automatically rotates under the action of the driving component, so that the stirring effect is realized, and the effects of simplifying the structure of the filtering and stirring device and improving the efficiency of the filtering and stirring device are achieved;

2. the solution is further filtered through the arrangement of the secondary filtering component, so that the effect of improving the precision of the prepared solution can be achieved;

3. through the setting of pressing from both sides the cover, carry out cold and hot exchange through the heat conduction material, heat solution in the agitator, can play the effect that reduces the condition of glyoxal aqueous solution decoloration in-process crystallization.

Drawings

Fig. 1 is a schematic view of the overall structure of the filtering and stirring device of the present invention.

Fig. 2 is a sectional view of the filter agitator of this embodiment.

In the figure, 1, a stirring barrel; 11. a drive assembly; 12. a feed inlet; 13. a discharge port; 14. a side wall; 15. a base plate; 2. a primary filter assembly; 21. a filter plate; 22. a primary separator plate; 23. a secondary separator plate; 24. a rotating shaft; 25. a discharge pipe; 3. a discharge chamber; 31. a secondary filtration component; 32. a pressure detector; 33. an alarm; 4. a jacket; 41. a water inlet pipe; 42. a water outlet pipe; 43. heating the tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and 2, the utility model discloses a glyoxal aqueous solution filters agitating unit, including agitator 1, agitator 1 is including keeping away from the top cap of ground one end, lateral wall 14 and the bottom plate 15 that is close to ground one end, and the top cap position that lateral wall 14 of agitator 1 is close to agitator 1 is equipped with feed inlet 12 to the filterable glyoxal aqueous solution that needs to stir gets into agitator 1 and handles, is equipped with discharge gate 13 on agitator 1's the bottom plate 15, and the glyoxal aqueous solution after agitator 1 handles passes through discharge gate 13 output. The outer wall of the stirring barrel 1 is wrapped by a jacket 4, a water inlet pipe 41 and a water outlet pipe 42 are arranged on the jacket 4, a heating pipe 43 is arranged in the jacket 4, and after heating water is introduced into the jacket 4, the heating pipe 43 is used for continuously heating, so that the heating effect of the glyoxal water solution in the stirring barrel 1 is realized, and the icing condition in the glyoxal water solution treatment process is reduced. The bottom of the stirring barrel 1 is detachably connected with a discharging cavity 3, and glyoxal water solution output by the discharging hole 13 enters the discharging cavity 3.

Referring to fig. 1 and 2, a top cover of the stirring barrel is provided with a driving component 11, the driving component 11 is connected with a first-stage filtering component 2, the first-stage filtering component 2 rotates under the action of the driving component 11, and can stir the glyoxal water solution in the stirring barrel 1 and filter the glyoxal water solution at the same time. One-level filtering component 2 includes pivot 24 with drive assembly 11's drive shaft connection, and pivot 24 rotates with agitator 1's top cap to be connected, and pivot 24 and top cap sealing connection simultaneously, in this embodiment, set up through mechanical seal structure for sealing connection is realized to pivot 24 and top cap, reduces the condition that the glyoxal aqueous solution stirring in-process spills over in agitator 1. The one-level filtering component 2 further comprises a filtering plate 21 positioned in the filtering barrel, the filtering plate 21 is cylindrical, two ends of the filtering plate 21 are connected with a second-level partition plate through a first-level partition plate, the first-level partition plate and the rotating shaft 24 are far away from one end fixed connection of the top cover of the stirring barrel 1, and a cylinder formed by the filtering plate 21 rotates under the driving of the rotating shaft 24. The second-stage partition plate is connected with a discharge pipe 25, the discharge pipe 25 is rotatably connected with the bottom plate 15, and meanwhile, the discharge pipe 25 is communicated with the discharge hole 13. The glyoxal aqueous solution enters the stirring barrel 1 from the position of the feeding hole 12, and the glyoxal aqueous solution in the stirring barrel 1 is continuously stirred under the action of continuous rotation of the filter plate 21, so that the temperature of the glyoxal aqueous solution is kept balanced. The glyoxal water solution is filtered and decolored through the filter plate 21, and the filtered glyoxal water solution is positioned in a cylindrical inner cavity formed by the filter plate 21, is output from the discharge pipe 25 and enters the discharging cavity 3. One end of the unloading cavity 3 far away from the stirring barrel 1 is provided with a discharge opening, the position of the discharge opening is connected with a secondary filtering component 31, and glyoxal aqueous solution entering the unloading cavity 3 passes through the discharge opening and is further filtered through the secondary filtering component 31, so that the effect of improving the filtering effect is achieved.

Referring to fig. 1 and 2, one-level filtering component 2 is located agitator 1, is not convenient for observe the filtration condition, and is difficult for discovering when the jam condition appears in the filter 21 of one-level filtering component 2, and when the jam condition appears in one-level filtering component 2, continue to add glyoxal aqueous solution in agitator 1, and 1 internal pressure of agitator constantly increases, if can not in time discover, the condition of damage appears easily in the structure in agitator 1 and the agitator 1. Be connected with pressure detector 32 between agitator 1 and the chamber of unloading 3, look over whether the condition of jam appears in second grade filter assembly 31 in the agitator 1 through pressure detector 32, pressure detector 32 electricity is connected with alarm 33 simultaneously, when pressure detector 32 detected between agitator 1 and the unloading bucket pressure and reached the alarm value of settlement, alarm 33 sent out the alarm sound, and the staff of being convenient for in time discovers, stops to feed in raw material to agitator 1. The bottom plate 15 and the side wall 14 of the stirring barrel 1 are detachably connected, and the unloading cavity 3 and the stirring barrel 1 are detachably connected, so that the stirring barrel 1 can be opened for repair when the blockage condition occurs to the primary filter component 2 or the secondary filter component 31.

The implementation principle of the above embodiment is as follows: after the glyoxal water solution is manufactured, the glyoxal water solution is guided into the stirring barrel 1 from the feeding hole 12. The glyoxal aqueous solution that gets into in the agitator 1 passes from the filter 21 of one-level filter assembly 2 when the one-level filter assembly 2 stirs, in the cylinder that gets into filter 21 and enclose through filtering the decoloration, gets into unloading chamber 3 through discharging pipe 25 from discharge gate 13 in, carries out the secondary filter decoloration at the second grade filter assembly 31 through the discharge opening, unloads out from the discharge opening, obtains the glyoxal product.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides a glyoxal aqueous solution filters agitating unit, includes agitator (1), its characterized in that: be equipped with one-level filtering component (2) in agitator (1), the both ends of one-level filtering component (2) with the top and the bottom of agitator (1) rotate to be connected, filtering component is connected with drive assembly (11), drive assembly (11) drive one-level filtering component (2) rotation.

2. The glyoxal aqueous solution filtration stirring apparatus of claim 1, wherein: the filter assembly is including forming columniform filter (21), and the both ends of filter (21) are equipped with respectively and are close to one-level division board (22) on agitator (1) top and be close to second grade division board (23) of agitator (1) bottom, one-level division board (22) are connected with pivot (24), pivot (24) with the drive shaft of drive assembly (11) is connected.

3. The glyoxal aqueous solution filtration stirring apparatus of claim 2, wherein: the position that ground was kept away from in agitator (1) is equipped with feed inlet (12), agitator (1) bottom is equipped with discharge gate (13), second grade division board (23) be connected with the bottom of agitator (1) is rotated and is connected with discharging pipe (25), discharging pipe (25) with discharge gate (13) link up.

4. The glyoxal aqueous solution filtration stirring apparatus of claim 3, wherein: the bottom end of the stirring barrel (1) is connected with a discharging cavity (3), a discharging opening is formed in the bottom, close to the ground, of the discharging cavity (3), and a secondary filtering component (31) is arranged at the discharging opening.

5. The glyoxal aqueous solution filtration stirring apparatus of claim 4, wherein: a pressure detector (32) is arranged between the discharging cavity (3) and the stirring barrel (1), and the pressure detector (32) is electrically connected with an alarm (33).

6. The glyoxal aqueous solution filtration stirring apparatus of claim 5, wherein: the discharging cavity (3) is detachably connected with the stirring barrel (1), the stirring barrel (1) comprises a side wall (14) and a bottom plate (15), and the side wall (14) is detachably connected with the bottom plate (15).

7. The glyoxal aqueous solution filtration stirring apparatus of claim 6, wherein: the stirring barrel (1) is sleeved with a jacket (4), a water inlet pipe (41) is arranged at the top end of the jacket (4) close to the stirring barrel (1), a water outlet pipe (42) is arranged at the bottom of the jacket (4) close to the discharging cavity (3), and a heating pipe (43) is arranged in the jacket (4).

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