CN215388382U - Energy-saving distributor structure of rolling oil mist absorption tower - Google Patents

Abstract

The utility model discloses an energy-saving distributor structure of a rolling oil mist absorption tower, wherein a rain shed, a washing oil uniform distributor and an oil film distribution component are arranged in an absorption tower body from top to bottom; the liquid uniform distributor comprises a liquid inlet pipe, a liquid separating pipe frame, a liquid separating box, liquid separating grooves and liquid separators, wherein the liquid separating pipe frame is horizontally arranged in the absorption tower body, the liquid outlet end of the liquid inlet pipe penetrates through the absorption tower body to be communicated with the liquid inlet end of the liquid separating pipe frame, the liquid inlet end of the liquid separating box is communicated with the liquid outlet end of the liquid separating pipe frame, the liquid separating grooves are arranged in the liquid separating box, and a plurality of liquid separators are uniformly distributed and communicated with the liquid outlet ends of the liquid separating grooves; the oil film distribution component comprises an annular frame, distribution grooves and filler, the annular frame is horizontally arranged in the absorption tower body, the filler is arranged in the annular frame, and the distribution grooves are arranged on the upper surface of the filler. The liquid uniform distributor and the oil film distribution part are matched with each other, so that the washing oil is uniformly distributed on the oil film distribution part, the formed oil film is complete, and the energy conservation, the oil stain absorption efficiency and the absorption effect of the absorption tower are improved.

Description

Energy-saving distributor structure of rolling oil mist absorption tower

Technical Field

The utility model relates to the technical field of oil mist absorption tower equipment, in particular to an energy-saving distributor structure of a rolling oil mist absorption tower.

Background

The absorption tower is a key gas-liquid mass transfer device. The liquid-gas phase contact state can be divided into three types. The first is a plate tower, a bubble absorption tower and a stirring bubble absorption tower in which gas is dispersed in a liquid phase in a bubble form, the second is an ejector, a venturi tube and a spray tower in which liquid is dispersed in a gas phase in a droplet form, and the third is a packing absorption tower and a falling film absorption tower in which liquid contacts with a gas phase in a film motion. The gas-liquid two-phase flow mode in the tower can be countercurrent or cocurrent. Usually, a countercurrent operation is adopted, the absorbent flows from top to bottom in the tower top, and contacts with the gas flowing from bottom to top, the liquid absorbed with the absorbent is discharged from the bottom of the tower, and the purified gas is discharged from the top of the tower.

The tower of the filler absorption tower is filled with fillers (including regular fillers and random fillers) with a certain height, a supporting plate is arranged below the tower, and a filler pressing plate and a liquid distributor are arranged above the tower. Absorbing liquid (washing oil) is uniformly distributed from the tower top through a liquid distributor and then flows along the surface of the filler, and a liquid film (oil film) is formed on the surface of the filler; smoke-containing gas collected by a rolling mill exhaust hood enters from the bottom of the absorption tower through a smoke exhaust fan, in the packing layer, the oil-containing gas reversely and fully contacts with the oil-containing gas at the oil film, rolling oil is absorbed by washing oil, and clean gas is discharged from the top of the tower; absorbing the washing oil of the rolling oil to form mixed oil, and pumping the mixed oil into a degassing tower to remove impurities such as air, water vapor and the like in the mixed oil.

The liquid distributor and packing are the core of the packed column and provide the gas-liquid two-phase interface in the column, which determines the performance of the column. In order to save more energy for the filler absorption tower, the circulation flow of the washing oil must be reduced, the initial distribution of the liquid with the reduced flow in the absorption tower is more important, and the general liquid distributor structure cannot ensure that the low-flow washing oil is uniformly distributed, the filler absorption is not good, the pressure drop is high, so that the oil film on the surface of the oil film is incomplete, the oil mist absorption is incomplete, and waste and pollution are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-saving distributor structure of a rolling oil mist absorption tower, which aims to solve the problems of waste and pollution caused by incomplete oil film on the surface and incomplete oil mist absorption due to uneven distribution of washing oil, poor filler absorption and high pressure drop of the energy-saving absorption tower.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the energy-saving distributor structure of the rolling oil mist absorption tower comprises an absorption tower body, a rain fly, an oil film distribution part and a washing oil distributor, wherein the rain fly, the washing oil distributor and the oil film distribution part are arranged in the absorption tower body from top to bottom; wherein the content of the first and second substances,

the washing oil uniform distributor comprises a liquid inlet pipe, a liquid separating pipe frame, a liquid separating box, a liquid separating groove and liquid separators, wherein the liquid separating pipe frame is horizontally arranged in the absorption tower body, the liquid outlet end of the liquid inlet pipe penetrates through the absorption tower body and is communicated with the liquid inlet end of the liquid separating pipe frame, the liquid inlet end of the liquid separating box is communicated with the liquid outlet end of the liquid separating pipe frame, the liquid separating groove is arranged in the liquid separating box, and the liquid separators are uniformly distributed and are communicated with the liquid outlet end of the liquid separating groove;

the oil film distribution component comprises an annular frame, distribution grooves and filler, the annular frame is horizontally arranged in the absorption tower body, the filler is arranged in the annular frame, and the distribution grooves are arranged on the upper surface of the filler.

The further technical scheme is as follows: the liquid outlet end of the liquid distributor is opposite to the inner side of the distribution groove.

The further technical scheme is as follows: and a flow equalizing plate is arranged at the liquid inlet end of the liquid dividing groove.

The further technical scheme is as follows: the knockout includes drain pipe, governing valve, baffle-box and shunt tubes, the feed liquor end of drain pipe with the play liquid end intercommunication in shunt groove, the governing valve is installed on the drain pipe, the baffle-box with the play liquid end intercommunication of drain pipe, the shunt tubes symmetry is installed the play liquid of baffle-box both sides is served.

The further technical scheme is as follows: the liquid inlet end cover of the liquid outlet pipe is provided with a filter cover.

The further technical scheme is as follows: and the adjacent buffer tanks on the liquid distributors are communicated through a communicating pipe.

The further technical scheme is as follows: the packing is a plurality of vertically arranged corrugated plates, and the surface wave forms of the corrugated plates are in a shape.

The further technical scheme is as follows: the liquid outlet end of the distribution groove is tightly attached to the upper ends of the two adjacent fillers.

Compared with the prior art, the utility model can at least achieve one of the following beneficial effects:

1. the utility model provides an energy-saving distributor structure of a rolling oil mist absorption tower, which is characterized in that a washing oil uniform distributor and an oil film distribution component are arranged in an absorption tower body from top to bottom, in order to save more energy of the absorption tower, the circulation flow of washing oil needs to be reduced, the washing oil uniform distributor enables the initial distribution of low-flow washing oil in the absorption tower to be more uniform, meanwhile, the oil film distribution component is matched with the washing oil uniform distributor, the washing oil which is initially uniformly distributed can be better absorbed on the oil film distribution component, the pressure drop is lower, the uniform distribution of the washing oil on the oil film distribution component is ensured, the formed oil film is complete, and the energy saving performance, the oil stain absorption efficiency and the absorption effect of the absorption tower are improved.

2. The flow of the washing oil uniform distributor is adjustable, the washing oil is distributed in multiple stages, the washing oil is distributed uniformly, the liquid distributors are communicated with one another, the washing oil can be effectively prevented from being distributed unevenly in the liquid distributors, and when the washing oil flows through the filler in the oil film distribution part, the ripples on the surface of the filler can enable the washing oil to flow more slowly, the washing oil is distributed more uniformly, the formed oil film is more complete, the mass transfer effect on the rolling oil mist is better, and the absorption effect is improved.

Drawings

Fig. 1 is a schematic structural diagram of an energy-saving distributor structure of a rolling oil mist absorption tower.

FIG. 2 is a schematic structural diagram of the oil washing equilizer shown in FIG. 1.

FIG. 3 is a schematic view of the oil film distribution member of FIG. 1 according to the present invention.

FIG. 4 is a schematic view of the structure of the liquid dispenser of FIG. 2 according to the present invention.

FIG. 5 is a schematic view of the structure of the ring frame and the packing of FIG. 3 according to the present invention.

Fig. 6 is a schematic structural view of the distribution groove and the packing in fig. 3 according to the present invention.

Fig. 7 is a schematic structural diagram of the packing of fig. 3 according to the present invention.

Reference numerals: 11. an absorption tower body, 12 and a rain shed; 13. an oil film distribution member; 131. an annular frame; 132. a distribution groove; 133. a filler; 14. an oil washing uniform distributor; 141. a liquid inlet pipe; 142. a liquid separation pipe frame; 143. a liquid separation box; 144. a liquid separating tank; 145. a liquid separator; 1451. a liquid outlet pipe; 1452. adjusting a valve; 1453. a buffer tank; 1454. a shunt tube; 145a, a communication pipe; 14a, a flow equalizing plate; 14b, a filter cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The rolling oil mist absorption tower energy-saving distributor structure is shown in fig. 1, fig. 2 and fig. 3.

The working process of the utility model is as follows: a rain fly 12, a washing oil uniform distributor 14 and an oil film distribution part 13 are arranged in the absorption tower body 11 from top to bottom; washing oil is pumped into the washing oil distributor 14, the washing oil is initially distributed by the washing oil distributor 14 and then enters the oil film distribution part 13 to form oil film absorption rolling oil mist, in order to save energy and reduce consumption, the circulation flow of the washing oil must be reduced, a novel washing oil distributor 14 capable of improving the initial distribution effect of the washing oil is needed, the washing oil distributor 14 comprises a liquid inlet pipe 141, a liquid separating pipe frame 142, a liquid separating box 143, a liquid separating groove 144 and a liquid separator 145, the liquid separating pipe frame 142 is horizontally arranged in the absorption tower body 11, the liquid outlet end of the liquid inlet pipe 141 penetrates into the absorption tower body 11 to be communicated with the liquid inlet end of the liquid separating pipe frame 142, the liquid inlet pipe 141 is communicated with a washing oil circulating pump, the liquid inlet end of the liquid separating box 143 is communicated with the liquid outlet end of the liquid separating pipe frame 142, the liquid separating groove 144 is arranged in the liquid separating box 143, a flow equalizing plate 14a is arranged on the liquid inlet end of the liquid separating groove 144, columnar flowing washing oil is dispersed through a grid or a mesh flow equalizing plate 14a, a plurality of uniformly distributed liquid outlet ends of the liquid separating pipe frame 142 begin to inject oil to the liquid separating box 143 under the action of oil pressure, the washing oil dispersed by the flow equalizing plate 14a flows into the liquid separating groove 144, the plurality of liquid distributors 145 are uniformly distributed and communicated with the liquid outlet end of the liquid separating groove 144, the low-flow washing oil can enter in a dispersing way and flow out again in a dispersing way, and uniform initial distribution is formed; the washing oil after initial distribution flows downwards through the oil film distribution part 13, which comprises an annular frame 131, distribution grooves 132 and a filler 133, the annular frame 131 is horizontally arranged in the absorption tower body 11, the filler 133 is arranged in the annular frame 131, the distribution grooves 132 are arranged on the upper surface of the filler 133, the liquid outlet end of the liquid separator 145 is arranged opposite to the inner side of the distribution grooves 132, the washing oil flows out from the side surface of the liquid separator 145 to be contacted with the side surface of the distribution grooves 132, then a uniform and complete oil film is formed by the filler 133 to absorb rolling oil mist, in order to save more energy of the absorption tower, the washing oil uniform distributor 14 ensures that the initial distribution of the washing oil with low flow in the absorption tower is more uniform while the circulation flow of the washing oil needs to be reduced, meanwhile, the oil film distribution part 13 is matched with the washing oil uniform distributor 14 and is uniformly distributed initially, and then the washing oil enters the oil film distribution part 13 again, the pressure drop is lower, and the uniform distribution of the washing oil on the oil film distribution part is ensured, the formed oil film is complete, and the energy saving performance, the oil stain absorption efficiency and the absorption effect of the absorption tower are improved.

Further, please refer to the dispenser 145 shown in fig. 4, which includes a liquid outlet pipe 1451, an adjusting valve 1452, a buffer tank 1453 and a shunt pipe 1454, wherein a liquid inlet end of the liquid outlet pipe 1451 is communicated with a liquid outlet end of the liquid separating tank 144, the adjusting valve 1452 is installed on the liquid outlet pipe 1451, the adjusting valve 1452 is located below the liquid separating tank 144, i.e., in an exposed state, for facilitating adjustment, in order to prevent oil contamination, an oil contamination prevention component (casing/box) may be installed on the adjusting valve 1452, the buffer tank 1453 is communicated with the liquid outlet end of the liquid outlet pipe 1451, the shunt pipe 1454 is symmetrically installed on the liquid outlet ends of both sides of the buffer tank 1453, the shunt pipe 1454 is adapted to the distribution tank 132, the dispenser 145 is adjustable in oil amount, and the washing oil is initially uniformly distributed. The liquid inlet end of the liquid outlet pipe 1451 is covered with a filter 14b to prevent impurities in the wash oil from damaging the components. Buffer tanks 1453 of adjacent dispensers 145 are connected to each other through a connection pipe 145a, and dispensers 145 are connected to each other through a connection pipe 145a, so that unstable or damaged oil pressure of a certain dispenser 145 is prevented, and oil can be replenished through a connection pipe 145a, thereby preventing uneven oil discharge.

Further, please refer to fig. 5, 6 and 7, which show the packing 133, which is a plurality of corrugated plates vertically arranged, wherein a certain channel is provided between each corrugated plate for the upward passage of the rolling oil mist, the surface wave shape of the corrugated plate is S-shaped, the longitudinal or cross section of the corrugated plate is wavy, the wave protrusion on the surface is S-shaped, the oil speed can be reduced for the vertically flowing wash oil, the surface area through which the wash oil flows is increased, the pressure drop is lower, the packing 133 can absorb the wash oil better, and the oil film formed on the packing 133 is large, uniform and complete. The liquid outlet end of the distribution groove 132 is closely attached to the upper ends of two adjacent fillers 133, and the same distribution groove 132 can provide wash oil for two adjacent fillers 133.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the utility model to effect such feature, structure, or characteristic in connection with other embodiments.

Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (8)

1. Energy-saving distributor structure of rolling oil mist absorption tower which is characterized in that: the absorption tower (1) comprises an absorption tower body (11), a rain fly (12), an oil film distribution component (13) and a washing oil uniform distributor (14), wherein the rain fly (12), the washing oil uniform distributor (14) and the oil film distribution component (13) are arranged in the absorption tower body (11) from top to bottom; wherein the content of the first and second substances,

the washing oil uniform distributor (14) comprises a liquid inlet pipe (141), a liquid separating pipe frame (142), a liquid separating box (143), a liquid separating groove (144) and liquid separators (145), wherein the liquid separating pipe frame (142) is horizontally arranged in the absorption tower body (11), the liquid outlet end of the liquid inlet pipe (141) penetrates through the absorption tower body (11) and is communicated with the liquid inlet end of the liquid separating pipe frame (142), the liquid inlet end of the liquid separating box (143) is communicated with the liquid outlet end of the liquid separating pipe frame (142), the liquid separating groove (144) is arranged in the liquid separating box (143), and the liquid separators (145) are uniformly distributed and are communicated with the liquid outlet end of the liquid separating groove (144);

the oil film distribution component (13) comprises an annular frame (131), distribution grooves (132) and filler (133), wherein the annular frame (131) is horizontally arranged in the absorption tower body (11), the filler (133) is arranged in the annular frame (131), and the distribution grooves (132) are arranged on the upper surface of the filler (133).

2. The rolling oil mist absorption tower energy-saving distributor structure according to claim 1, wherein: the liquid outlet end of the liquid distributor (145) is arranged opposite to the inner side of the distribution groove (132).

3. The rolling oil mist absorption tower energy-saving distributor structure according to claim 1, wherein: a flow equalizing plate (14 a) is arranged on the liquid inlet end of the liquid dividing groove (144).

4. The rolling oil mist absorption tower energy-saving distributor structure according to claim 1, wherein: the liquid distributor (145) comprises a liquid outlet pipe (1451), an adjusting valve (1452), a buffer tank (1453) and a shunt pipe (1454), wherein the liquid inlet end of the liquid outlet pipe (1451) is communicated with the liquid outlet end of the liquid distribution tank (144), the adjusting valve (1452) is installed on the liquid outlet pipe (1451), the buffer tank (1453) is communicated with the liquid outlet end of the liquid outlet pipe (1451), and the shunt pipe (1454) is symmetrically installed on the liquid outlet ends of two sides of the buffer tank (1453).

5. The rolling oil mist absorption tower energy-saving distributor structure according to claim 4, wherein: the liquid inlet end cover of the liquid outlet pipe (1451) is provided with a filter cover (14 b).

6. The rolling oil mist absorption tower energy-saving distributor structure according to claim 4, wherein: the buffer tanks (1453) of the adjacent liquid distributors (145) are communicated with each other through a communication pipe (145 a).

7. The rolling oil mist absorption tower energy-saving distributor structure according to claim 1, wherein: the packing (133) is a plurality of corrugated plates vertically arranged, and the surface wave forms of the corrugated plates are S-shaped.

8. The rolling oil mist absorption tower energy-saving distributor structure according to claim 7, wherein: the liquid outlet end of the distribution groove (132) is tightly attached to the upper ends of the two adjacent fillers (133).

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