阅读说明：本技术 气液分离用除沫装置 (Defoaming device for gas-liquid separation ) 是由 李飞阔 郭俊 沈海波 张才华 于 2020-05-27 设计创作，主要内容包括：本发明提出了气液分离用除沫装置,包括封头,封头的顶部中央设有蒸汽出口,其特征在于,还包括锥壳、支撑杆、挡板和环形管道,所述锥壳开口朝下,锥壳的上表面通过支撑杆与封头内壁固定连接,环形管道固定安装在封头内侧顶部,所述挡板的一端与环形管道固定连接并沿圆环方向阵列排布,相邻两个挡板的长度方向相互平行,挡板远离环形管道的一端与锥壳的上表面固定连接,环形管道靠近挡板的一侧阵列开设有若干通孔,环形管道远离挡板的一侧与封头上表面相互连通,本发明采用两层除沫,除沫效果好,结构简单,同时方便进行清洗和维护,具有良好的应用前景。(The invention provides a defoaming device for gas-liquid separation, which comprises an end enclosure, wherein the center of the top of the end enclosure is provided with a steam outlet, it is characterized by also comprising a conical shell, a supporting rod, a baffle plate and an annular pipeline, wherein the opening of the conical shell is downward, the upper surface of the conical shell is fixedly connected with the inner wall of the end socket through the supporting rod, the annular pipeline is fixedly arranged at the top of the inner side of the end socket, the pipe fitting structure comprises baffle plates, a conical shell, a plurality of through holes, a plurality of seal heads and a plurality of baffle plates, wherein one ends of the baffle plates are fixedly connected with an annular pipeline and are arranged in an array mode along the annular direction, the length directions of the two adjacent baffle plates are parallel to each other, one end, far away from the annular pipeline, of each baffle plate is fixedly connected with the upper surface of the conical shell, the side, close to the baffle plates, of each annular pipeline is provided with the through holes in an array mode, and one side, far away from the baffle plates, of each annular pipeline is communicated with the upper surface of each.)

1. A defoaming device for gas-liquid separation comprises a seal head (1), a steam outlet (11) is arranged in the center of the top of the seal head (1), it is characterized by also comprising a conical shell (2), a supporting rod (3), a baffle (4) and an annular pipeline (5), the opening of the conical shell (2) is downward, the upper surface of the conical shell (2) is fixedly connected with the inner wall of the seal head (1) through a support rod (3), the annular pipeline (5) is fixedly arranged at the top of the inner side of the seal head (1), one end of each baffle (4) is fixedly connected with the annular pipeline (5) and is arranged along the circular ring direction in an array mode, the length directions of the two adjacent baffles (4) are parallel to each other, one end, away from the annular pipeline (5), of each baffle (4) is fixedly connected with the upper surface of the conical shell (2), a plurality of through holes (51) are formed in one side, close to the baffles (4), of each annular pipeline (5), and one side, away from the baffles (4), of each annular pipeline (5) is communicated with the upper surface of the seal head (1) in an array mode.

2. The defoaming device for gas-liquid separation according to claim 1, wherein the axes of the conical shell (2), the annular pipe (5) and the head (1) coincide with each other.

3. The defoaming device for gas-liquid separation according to claim 1, wherein the length direction of the baffle plate (4) is in reverse parallel to the axis of the head (1).

4. The demister for gas-liquid separation according to claim 3, wherein the baffle plate (4) comprises a first plate surface (41) and a second plate surface (42) which are fixedly connected, the joint of the first plate surface (41) and the second plate surface (42) is parallel to the length direction of the baffle plate (4), and the first plate surface (41) and the second plate surface (42) form an included angle of 120 degrees.

5. The demister for gas-liquid separation according to claim 4, wherein the angle formed by the first plate surface (41) and the second plate surface (42) opens to the outside of the annular duct (5).

6. The demister for gas-liquid separation according to claim 4, wherein the edge of the first plate surface (41) of any baffle (4) remote from the second plate surface (42) of the baffle (4) is coplanar with the axis of the head (1), and the plane intersects the second plate surface (42) of an adjacent baffle close to the first plate surface (41).

7. The demister for gas-liquid separation according to claim 1, further comprising a connecting pipe (6), wherein the connecting pipe (6) is fixedly installed on the upper surface of the head (1), and the connecting pipe (6) and the annular pipe (5) are communicated with each other.

8. The demister for gas-liquid separation according to claim 7, wherein the number of the connecting pipes (6) is not less than two.

9. The defoaming device for gas-liquid separation according to claim 1, wherein the number of the support rods (3) is at least two, and the length direction of the support rods (3) is parallel to the axis of the head (1).

10. The defoaming device for gas-liquid separation according to claim 9, wherein the number of the support rods (3) is six, and the support rods (3) are arranged on the inner surface of the head (1) in a circumferential array with the axis of the head (1) as the axis.

Technical Field

The invention relates to the technical field of chemical production equipment, in particular to a defoaming device for gas-liquid separation.

Background

In the process of producing ammonium phosphate, monoammonium phosphate slurry from an ammoniation reactor needs to be subjected to double-effect evaporation and concentration to ensure that the water content of the slurry reaches 22-25%, and the monoammonium phosphate slurry is sent to the top of a powder spraying tower through a pressure pump to be sprayed and dried.

In the process, the heat source of the first-effect evaporation adopts low-pressure steam, and the heat source of the second-effect evaporation adopts byproduct secondary steam generated by the first-effect evaporation.

However, the secondary steam is generated in the process of liquid level gas-liquid separation in the first-effect evaporation chamber, so that liquid film entrainment can occur, if the defoaming treatment is not carried out or the defoaming treatment effect is poor, slurry in the first-effect evaporation chamber can be brought into the second-effect evaporation chamber, the heat exchange tube of the second-effect heater is scaled for a long time, the heat exchange effect can be reduced if the scale in the heat exchanger is increased, the heat exchange tube needs to be cleaned regularly in actual production, the production process can be influenced if the production is stopped frequently, and the production efficiency is reduced.

Disclosure of Invention

In view of the above, the invention provides a defoaming device for gas-liquid separation, which has a better defoaming effect and can reduce the cleaning period in actual production.

The technical scheme of the invention is realized as follows: the invention provides a defoaming device for gas-liquid separation, which is used in a liquid film separation device and is mainly used in a liquid film separation reaction kettle, and is fixedly arranged on the inner surface of an end socket, a steam outlet is arranged in the center of the top of the end socket, the defoaming device comprises a conical shell, a support rod, baffles and annular pipelines, the conical shell is a conical shell, the opening of the conical shell faces downwards, the upper surface of the conical shell is fixedly connected with the inner wall of the end socket through the support rod, the annular pipelines are fixedly arranged on the top of the inner side of the end socket, one ends of the baffles are fixedly connected with the surface of the annular pipeline and are arrayed along the annular direction, the length directions of two adjacent baffles are parallel to each other, one ends of the baffles, far away from the annular pipeline, are fixedly connected with the upper surface of the conical shell, a plurality of through holes are arrayed on one side of the annular.

In the above technical scheme, the angle of the conical shell is 90 degrees.

On the basis of the technical scheme, preferably, the axes of the conical shell, the annular pipeline and the end socket are overlapped.

On the basis of the technical scheme, preferably, the length direction of the baffle is parallel to the axial direction of the seal head.

On the basis of above technical scheme, it is preferred, the baffle includes fixed connection's first face and second face, and the junction of first face and second face is parallel to each other with the length direction of baffle, and first face and second face become 12 degrees contained angles.

Still further preferably, an included angle formed by the first plate surface and the second plate surface opens towards the outer side of the annular pipeline, and two adjacent baffles are not in contact.

On the basis of the above technical scheme, preferably, the edge of the first plate surface of any baffle, which is far away from the second plate surface of the baffle, is coplanar with the axis of the seal head, and the plane is intersected with the second plate surface of an adjacent baffle, which is close to the first plate surface.

On the basis of the technical scheme, the sealing device is preferable and further comprises a connecting pipe, wherein the connecting pipe is fixedly installed on the upper surface of the sealing head and is communicated with the annular pipeline.

On the basis of the above technical solution, preferably, the number of the connecting pipes is not less than two.

On the basis of the technical scheme, preferably, the number of the supporting rods is at least two, and the length direction of the supporting rods is parallel to the axis of the seal head.

On the basis of the technical scheme, preferably, the number of the support rods is six, and the support rods are circumferentially arrayed on the inner surface of the seal head by taking the axis of the seal head as an axis.

Compared with the prior art, the defoaming device for gas-liquid separation has the following beneficial effects:

(1) according to the scheme, on the basis of a conventional demister, the baffles arranged in a circumferential array manner and the annular pipeline are matched with each other, after primary defoaming of the conical shell, the baffles play a role in secondary defoaming, and the defoaming effect is further increased in the mode that the baffles are baffle plates as a whole, so that the height of defoaming equipment can be reduced;

(2) whole device adopts the mode that similar spherical demister and baffling demister combined together, removes the foam efficiently, is provided with the through-hole that corresponds on the ring conduit simultaneously, utilizes hot water and steam can wash the surface of baffle and awl shell to be convenient for wash the operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a side cross-sectional view of the present invention defoaming device installed in a head;

FIG. 2 is a top view of the defoaming device of the present invention;

FIG. 3 is a side sectional view of the annular pipe mounted on the head of the defoaming device of the present invention;

FIG. 4 is a cross-sectional view of a baffle in the demister of the present invention.

In the figure: 1-end enclosure, 11-steam outlet, 2-conical shell, 3-support rod, 4-baffle, 41-first plate surface, 42-second plate surface, 5-annular pipeline, 51-through hole and 6-connecting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in figure 1 and combined with figure 2, the defoaming device applied to the enterprise separation process comprises a seal head 1, a steam outlet 11 is arranged in the center of the top of the seal head 1, a conical shell 2, a support rod 3, a baffle 4 and an annular pipeline 5 are further included, the opening of awl shell 2 is down, the inner wall fixed connection of bracing piece 3 and head 1 is passed through to the upper surface of awl shell 2, 5 fixed mounting of ring conduit are at the inboard top of head 1, the one side fixed connection of head 1 and the ring conduit array arrangement along ring conduit 5 are kept away from to a tip of baffle 4 and ring conduit 5, the length direction of two adjacent baffles 4 is parallel to each other and contactless each other, the one end that ring conduit 5 was kept away from to baffle 4 and the upper surface fixed connection of awl shell 2, a plurality of through-holes 51 have been seted up to one side array that ring conduit 5 is close to baffle 4, one side that baffle 4 was kept away from to ring conduit 5 communicates each other with head 1 upper surface.

In the above embodiment, awl shell 2 is as the demister of first layer, and the foam of below can be blockked earlier by awl shell 2, and the foam that is not blockked then enters into steam outlet 11 through baffle 4, and baffle 4 has played the effect of the demister on second floor, sets up a plurality of through-holes 51 on the annular duct 5 and can wash baffle 4 of below, avoids the scale deposit.

In the above embodiment, the conventional tight reation kettle who adopts awl shell 2 as the demister highly can be higher, to diameter 4500 mm's evaporating chamber for example, and normal defoaming efficiency can be guaranteed just as far as to conventional equipment height need reach 9000mm, and the structure of this application can reduce equipment height to 6000mm, and the defoaming effect is the same.

As shown in fig. 3, in the specific embodiment, the cross section of the annular pipe 5 is a quadrangle, and one surface of the seal head 1 is parallel to the horizontal plane.

In the above embodiment, the baffle 4 is more easily connected to the surface of the circular pipeline 5, and when the circular pipeline 5 is filled with the flushing liquid, the water leakage amount of the through holes 51 at different positions is more uniform, and the flushing effect is better.

Meanwhile, the cleaning period of the demister can be 60 days/time, and the conventional demister needs 20 days/time.

In the specific embodiment, the axes of the conical shell 2, the annular pipeline 5 and the end socket 1 are coincident with each other.

In the above embodiment, the coaxial line installation mode makes the structure more symmetrical, and avoids the non-symmetrical design to result in the bad defoaming effect.

In the specific embodiment, the length direction of the baffle 4 and the axial direction of the seal head 1 are parallel to each other.

Among the above embodiment, a plurality of baffles 4 form the grid structure each other, can play the baffling effect, thereby make the foam through striking on baffle 4 reach the defoaming effect, and the design parallel with 1 axis direction of head also can let the structure more symmetrical, avoids appearing the problem that local defoaming effect is poor.

As shown in fig. 4, in the specific embodiment, the baffle 4 includes a first plate surface 41 and a second plate surface 42 fixedly connected, a connection portion of the first plate surface 41 and the second plate surface 42 is parallel to a length direction of the baffle 4, and an included angle of 120 degrees is formed between the first plate surface 41 and the second plate surface 42.

In the above embodiment, the first plate surface 41 and the second plate surface 42 forming an angle with each other can be used for baffling, and a certain baffling channel can be formed between the two contemplated baffle plates, so that the defoaming effect is enhanced.

In a particular embodiment, the first plate surface 41 and the angle formed by the plate surfaces 42 open towards the outside of the annular duct 5.

In the above embodiment, the opening of the included angle towards the outside of the circular duct 5 can make the resistance of the inner side of the ring of the entering folded plate 4 larger, thereby improving the defoaming effect.

In a specific embodiment, the edge of the first plate surface 41 of any baffle 4 away from the second plate surface 42 of that baffle 4 is coplanar with the axis of the head 1, and this plane intersects the second plate surface 42 of the adjacent baffle close to that first plate surface 41.

The above embodiment is a preferred embodiment, no direct gap exists between two adjacent baffles 4, and a certain channel structure can be formed by mutual interleaving, so that the air flow entering the inner ring of the baffle 4 can collide several times, and the purpose of defoaming is achieved.

In the specific embodiment, the sealing head further comprises a connecting pipe 6, wherein the connecting pipe 6 is fixedly arranged on the upper surface of the sealing head 1, and the connecting pipe 6 is communicated with the annular channel 5.

In the above embodiment, the connection pipe 6 is used to communicate with an external pipe and supply hot water or steam into the annular pipe 5.

In a particular embodiment, the number of said connecting tubes 6 is not less than two.

In the above embodiment, not less than two connection pipes 6 may be used to connect the steam pipe and the hot water pipe, respectively.

In a specific embodiment, the number of the support rods 3 is at least two, and the length direction of the support rods 3 is parallel to the axial direction of the seal head 1.

In the above embodiment, the supporting rods 3 which are not less than two can enable the conical shell 2 to be stressed more uniformly, and the fixing effect is better.

In a specific embodiment, the number of the support rods 3 is six, and the support rods 3 are arranged on the inner surface of the seal head 1 in a circumferential array by taking the axis of the seal head 1 as an axis.

In the above embodiment, it is preferable that six support rods 3 are arranged in an array, so that the fixing effect is optimal.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.