CN213101296U - High-efficient tetrahydrofuran reaction separation defoaming mechanism - Google Patents

Abstract

The utility model discloses a high-efficient tetrahydrofuran reaction separation defoaming mechanism, which belongs to the technical field of defoaming equipment and comprises a barrel body, the upper end surface of the barrel body is provided with an air outlet, the inside top end of the barrel body is fixedly connected with two connecting rods, two the lower end surface of the connecting rods is fixedly connected with a splitter plate, the center of the upper end surface of the splitter plate is provided with a central groove, the outer wall of the central groove is fixedly connected with a plurality of uniformly distributed parting strips, the parting strips flow to the edge of the splitter plate through a plurality of splitter grooves and finally fall to the upper end of a sieve plate for preliminary defoaming, the splitter plate plays a shunting effect to uniformly diffuse liquid, thereby improving the defoaming effect, the liquid passes through the inside of a sieve mesh, a cross piece cuts small liquid drops in the liquid, the discharged gas is cleaner, the defoaming effect is improved, and the problem that the existing high-efficient tetrahydrofuran reaction separation defoaming mechanism can not treat small liquid drops in water vapor, poor defoaming effect and incomplete defoaming.

Description

High-efficient tetrahydrofuran reaction separation defoaming mechanism

Technical Field

The utility model relates to a remove foam equipment technical field, in particular to high-efficient tetrahydrofuran reaction separation removes foam mechanism.

Background

The rectifying tower is a separation device commonly used in the field of chemical production, and reactive rectification is a process of separating products by a rectification method while carrying out reaction. The reaction is promoted by rectification, and the reaction product is continuously removed by rectification, so that the reaction conversion rate and the yield are improved. In the prior art, the production process of tetrahydrofuran adopts a 1, 4-butanediol dehydration cyclization method to prepare tetrahydrofuran under the action of a catalyst, wherein a reactor adopts a reaction rectifying tower, the temperature of a reaction zone at the bottom of the tower is controlled to be 140-150 ℃, the temperature at the top of the tower is controlled to be 70-80 ℃, and the pressure of the reaction rectifying tower is normal pressure. Adding a catalyst into the reaction rectifying tower from the middle lower part of the tower, carrying out 1, 4-butanediol dehydration reaction in a reaction zone at the lower part of the tower, discharging tetrahydrofuran gas phase from the top of the tower when the tetrahydrofuran obtained by the reaction is in a gas state in a temperature environment in the tower in the reaction process, and carrying out subsequent dehydration and impurity removal to obtain a tetrahydrofuran product. The conversion rate of the 1, 4-butanediol in the reactive distillation tower is about 90 percent, nearly 10 percent of the 1, 4-butanediol is discharged as kettle residue without reaction, and the 1, 4-butanediol can be reused after further impurity removal treatment.

The existing high-efficiency tetrahydrofuran reaction separation defoaming mechanism can not treat small liquid drops in water vapor completely, and has poor defoaming effect and incomplete defoaming.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficient tetrahydrofuran reaction separation removes foam mechanism aims at solving current high-efficient tetrahydrofuran reaction separation and removes foam mechanism and handles unclean to the little liquid drop in the steam, and it is poor to remove the foam effect, removes the problem that the foam is thorough inadequately.

The utility model discloses a realize like this, a high-efficient tetrahydrofuran reaction separation defoaming mechanism, the novel nipple rectifier comprises a cylindrical shel, the up end of barrel is provided with the gas outlet, two connecting rods of the inside top fixedly connected with of barrel, two the lower terminal surface fixedly connected with flow distribution plate of connecting rod, the up end center of flow distribution plate is provided with the central groove, a plurality of evenly distributed's of outer wall fixedly connected with parting bead in central groove, it is a plurality of waiting big flow distribution groove is cut apart into with the flow distribution plate to the parting bead, the inside fixedly connected with sieve of barrel, the up end of sieve runs through and has seted up a plurality of sieve meshes, and is a plurality of the equal fixedly connected with cross piece in inside of sieve mesh, the below of sieve is provided with the defoaming board, the inside of defoaming board runs through and is provided with a plurality of through-holes, and is a plurality of it has the filter screen.

In order to facilitate the downward flow of the tetrahydrofuran liquid, the high-efficiency tetrahydrofuran reaction separation defoaming mechanism of the utility model is preferred, and the splitter plate is in an inverted bowl shape.

In order to facilitate the liquid to flow to the upper end of the sieve plate below, the high-efficiency tetrahydrofuran reaction separation defoaming mechanism of the utility model is preferred, and a gap is arranged between the edge of the flow distribution plate and the inner wall of the cylinder body.

In order to improve the defoaming effect, as the utility model discloses a high-efficient tetrahydrofuran reaction separation defoaming mechanism is preferred, the through-hole is the corrugate.

In order to further improve the defoaming effect, as the utility model discloses a high-efficient tetrahydrofuran reaction separation defoaming mechanism is preferred, the below of defoaming board is provided with the silk screen.

In order to facilitate the discharge of liquid, as the utility model discloses a high-efficient tetrahydrofuran reaction separation removes that foam mechanism is preferred, the lower terminal surface of barrel is for leaking hopper-shaped and fixedly connected with leakage fluid dram.

Compared with the prior art, the beneficial effects of the utility model are that:

liquid passes through inside the gas outlet gets into the barrel, the gas outlet makes things convenient for gaseous outflow simultaneously, liquid gets into the barrel through the gas outlet and reachs central inslot portion, flow to the reposition of redundant personnel flange reason through a plurality of splitter boxes afterwards, finally fall to the sieve upper end and carry out preliminary defoaming, the splitter plate plays the reposition of redundant personnel effect, make liquid uniform diffusion, thereby improve the defoaming effect, liquid passes through inside the sieve mesh, the cross piece cuts apart the inside droplet of liquid, make the combustion gas cleaner, improve the defoaming effect, when liquid reachs the defoaming board, gas is through corrugate through-hole, the air current rubs with the through-hole inner wall many times at the bent part, more be favorable to the liquid droplet particle size to diminish, improve the defoaming effect.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a top view structure diagram of the flow distribution plate of the present invention;

FIG. 3 is a top view of the sieve plate of the present invention;

FIG. 4 is an internal structure view of the defoaming plate of the present invention;

in the figure: 1. a barrel; 2. an air outlet; 3. a connecting rod; 4. a flow distribution plate; 5. a central slot; 6. a parting strip; 7. a shunt slot; 8. a sieve plate; 9. screening holes; 10. a cross piece; 11. a defoaming plate; 12. a through hole; 13. filtering with a screen; 14. a wire mesh; 15. and a liquid discharge port.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high-efficient tetrahydrofuran reaction separation defoaming mechanism, the novel nipple rectifier comprises a cylindrical shel 1, the up end of barrel 1 is provided with gas outlet 2, two connecting rods 3 of the inside top fixedly connected with of barrel 1, the lower terminal surface fixedly connected with flow distribution plate 4 of two connecting rods 3, the up end center of flow distribution plate 4 is provided with central groove 5, a plurality of evenly distributed's of outer wall fixedly connected with parting bead 6 of central groove 5, a plurality of parting bead 6 are cut apart flow distribution plate 4 into a plurality of isopachous splitter boxes 7, the inside fixedly connected with sieve 8 of barrel 1, the up end of sieve 8 runs through and has seted up a plurality of sieve meshes 9, the equal fixedly connected with ten characters piece 10 in inside of a plurality of sieve meshes 9, the below of sieve 8 is provided with defoaming board 11, the inside of defoaming board 11 runs through and is provided with a plurality of through-holes 12, it has.

In this embodiment: liquid passes through gas outlet 2 and gets into inside 1 barrel, gas outlet 2 makes things convenient for gaseous outflow simultaneously, liquid gets into inside 1 barrel 5 reachs the central groove through gas outlet 2, flow to 4 edges of flow distribution plate through a plurality of splitter boxes 7 afterwards, finally fall to 8 upper ends of sieve plates and carry out preliminary defoaming, flow distribution plate 4 plays the reposition of redundant personnel effect, make liquid evenly spread, thereby improve the defoaming effect, liquid passes through inside sieve mesh 9, cross piece 10 cuts apart the inside liquid droplet of liquid, make the combustion gas cleaner, improve the defoaming effect, when liquid reachs defoaming board 11, gas is through corrugate through-hole 12, the air current rubs with through-hole 12 inner walls many times at the bending part, more be favorable to the liquid droplet particle size to diminish, improve the defoaming effect.

As a technical optimization scheme of the utility model, flow distribution plate 4 is the inverted bowl form.

In this embodiment: the splitter plate 4 is the shape of an inverted bowl, and liquid can flow to the edge of the splitter plate 4 through the splitter grooves 7 conveniently.

As a technical optimization scheme of the utility model, be equipped with the space between the edge of flow distribution plate 4 and the inner wall of barrel 1.

In this embodiment: the gap facilitates liquid at the upper end of the distributor plate 4 to flow to the upper end of the screen plate 8 below the distributor plate 4.

As a technical optimization scheme of the utility model, through-hole 12 is corrugate.

In this embodiment: the gas passes through the corrugated through hole 12, and the gas flow rubs with the inner wall of the through hole 12 for many times at the bent part, so that the particle size of the liquid drops is reduced, and the defoaming effect is improved.

As a technical optimization scheme of the utility model, the below of defoaming board 11 is provided with silk screen 14.

In this embodiment: the silk screen 14 is located the inside bottom of barrel 1, carries out the last step and removes the foam, improves and removes the foam effect.

As a technical optimization scheme of the utility model, the lower terminal surface of barrel 1 is for leaking hopper-shaped and fixedly connected with leakage fluid dram 15.

In this embodiment: funnel-shaped liquid flow is facilitated, and liquid is discharged from the liquid discharge port 15 finally, so that the liquid discharging device is convenient to use.

The working principle is as follows: when using this kind of high-efficient tetrahydrofuran reaction separation defoaming mechanism, liquid passes through gas outlet 2 and gets into inside 1 barrel, gas outlet 2 makes things convenient for gaseous outflow simultaneously, liquid passes through gas outlet 2 and gets into inside 5 central slots of barrel 1 reachs, flow to 4 edges of flow distribution plate through a plurality of flow distribution grooves 7 afterwards, finally fall to 8 upper ends on the sieve and carry out preliminary defoaming, flow distribution plate 4 plays the reposition of redundant personnel effect, make liquid evenly spread, thereby improve the defoaming effect, liquid passes through inside sieve mesh 9, cross piece 10 cuts up the inside liquid droplet of liquid, make the combustion gas purer clean, improve the defoaming effect, when liquid reachs defoaming board 11, gas is through corrugate through-hole 12, the air current rubs with through-hole 12 inner walls many times at the bending part, more be favorable to the liquid droplet particle size to diminish, improve the defoaming effect.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides a high-efficient tetrahydrofuran reaction separation defoaming mechanism, includes barrel (1), its characterized in that: the upper end face of the barrel body (1) is provided with an air outlet (2), the top end of the interior of the barrel body (1) is fixedly connected with two connecting rods (3), the lower end face of the two connecting rods (3) is fixedly connected with a splitter plate (4), the center of the upper end face of the splitter plate (4) is provided with a central groove (5), the outer wall of the central groove (5) is fixedly connected with a plurality of uniformly distributed parting beads (6), the splitter plate (4) is divided into a plurality of equally-large splitter grooves (7) by the parting beads (6), the interior of the barrel body (1) is fixedly connected with a sieve plate (8), the upper end face of the sieve plate (8) is provided with a plurality of sieve holes (9) in a penetrating manner, the interiors of the sieve holes (9) are all fixedly connected with cross pieces (10), a foam removing plate (11) is arranged below the sieve plate (8), and a plurality of through holes (12) are arranged in the foam removing plate, and filter screens (13) are filled among the through holes (12).

2. The high-efficiency tetrahydrofuran reaction separating and defoaming mechanism as set forth in claim 1, wherein: the splitter plate (4) is in an inverted bowl shape.

3. The high-efficiency tetrahydrofuran reaction separating and defoaming mechanism as set forth in claim 1, wherein: a gap is arranged between the edge of the flow distribution plate (4) and the inner wall of the cylinder body (1).

4. The high-efficiency tetrahydrofuran reaction separating and defoaming mechanism as set forth in claim 1, wherein: the through holes (12) are corrugated.

5. The high-efficiency tetrahydrofuran reaction separating and defoaming mechanism as set forth in claim 1, wherein: and a wire mesh (14) is arranged below the defoaming plate (11).

6. The high-efficiency tetrahydrofuran reaction separating and defoaming mechanism as set forth in claim 1, wherein: the lower end face of the barrel body (1) is funnel-shaped and is fixedly connected with a liquid outlet (15).

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