Gas-liquid two-phase separator for tetrahydrofuran synthesis reaction byproduct

Abstract

The utility model discloses a gas-liquid two-phase separator for tetrahydrofuran synthesis reaction byproducts, and belongs to the technical field of chemical separation. The separator comprises a separator body, a gas outlet is formed in the top of the separator body, a liquid outlet is formed in the bottom of the separator body, and a gas inlet distributor, a first-stage separation assembly, a second-stage separation assembly and a demisting device are sequentially arranged in the separator body from bottom to top. The gas inlet distributor is composed of a gas inlet pipe and a distribution disc with gas inlet holes; the first-stage separation assembly comprises an inclined separation plate and bulges on the surface of the separation plate; the second-stage separation assembly comprises multiple layers of silk screen fillers fixed by a supporting frame, and the demisting device is a baffle plate demister and consists of wavy baffle plates. The separator can effectively improve the gas-liquid separation efficiency of tetrahydrofuran synthesis reaction byproducts through the design of a multi-stage separation structure, reduces liquid fog drops in a gas phase and gas mixed in a liquid phase, is simple and convenient to operate, and can meet the requirements of industrial continuous and stable production.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical separation technical field, concretely is a kind of tetrahydrofuran synthetic reaction by-product gas-liquid two-phase separator. BACKGROUND

[0002] In the synthesis reaction process of tetrahydrofuran, by-product containing gas and liquid will be produced.Currently commonly used gas-liquid separation equipment, when processing tetrahydrofuran synthetic reaction by-product, there are some deficiencies.The separation efficiency of existing separator is not high, cannot accurately separate gas-liquid completely, so that gas phase still contains more liquid droplets, and liquid phase is also mixed with part of gas, which not only affects the quality of subsequent product, but also can cause corrosion and damage to related equipment.Moreover, the structure design of part of separator is unreasonable, operation is complex, and continuous and stable separation work cannot be realized, cannot meet the needs of industrial production, so a kind of tetrahydrofuran synthetic reaction by-product gas-liquid two-phase separator needs to be improved to solve the above problems. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of tetrahydrofuran synthetic reaction by-product gas-liquid two-phase separator to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of tetrahydrofuran synthetic reaction by-product gas-liquid two-phase separator, including separator main body 1.The top of separator main body 1 is equipped with gas outlet 2, and the bottom is equipped with liquid outlet 3.In the inside of separator main body 1, from below to above, there are gas inlet distributor 4, first stage separation component 5, second stage separation component 6, demisting device 7.

[0005] Gas inlet distributor 4 includes gas inlet pipe 41 and distribution disc 42, and gas inlet pipe 41 is connected with distribution disc 42 through the side wall of separator main body 1, and a plurality of gas inlet holes 43 are evenly formed in distribution disc 42.The first stage separation component 5 is composed of a plurality of inclined separation plates 51, and a specific angle is formed between adjacent separation plates 51, and a plurality of protrusions 52 are arranged on the surface of separation plate 51, and the second stage separation component 6 includes a plurality of layers of wire mesh fillings 61, and the wire mesh filling 61 is fixed in the separator main body 1 by support frame 62.Demisting device 7 is baffle demister, which is composed of a plurality of baffles 71, and the baffle 71 is in wave shape.

[0006] Preferably, the pipe diameter of gas inlet pipe 41 is selected according to the processing capacity of the separator, and gas inlet pipe 41 is welded with distribution disc 42 to ensure the sealing property.

[0007] Preferably, the inclination angle of separation plate 51 is 30°-60°, and the height of protrusion 52 is 5-10mm, so as to improve the gas-liquid separation effect.

[0008] Preferably, the mesh filler 61 has a mesh number of 200-400 meshes, and the support frame 62 is made of stainless steel to ensure its strength and corrosion resistance.

[0009] Preferably, the baffle 71 has a wave crest height of 30-50 mm, and the spacing between adjacent baffles 71 is 20-40 mm.

[0010] Compared with the prior art, the four-hydrofuran synthesis reaction byproduct gas-liquid two-phase separator has the following beneficial effects:

[0011] 1. The gas-liquid mixture entering the separator is uniformly distributed by the gas inlet distributor, the separation efficiency is improved, and the problem of poor separation effect caused by uneven distribution of the gas-liquid mixture is solved.

[0012] 2. The inclined separation plate and the surface protrusion of the first-stage separation assembly can accelerate the separation of the gas-liquid mixture during the flow process, have the effect of strengthening the gas-liquid separation, and solve the problem of incomplete preliminary separation.

[0013] 3. The multi-layer mesh filler of the second-stage separation assembly further intercepts the tiny liquid droplets in the gas, improves the purity of the gas phase, and solves the problem of liquid droplet residue in the gas phase.

[0014] 4. The baffle demister of the demister device can effectively remove the remaining fine mist in the gas, ensure that the discharged gas meets the requirements, and solve the problem of incomplete gas demisting BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0017] Figure 2 It is a schematic diagram of the bottom structure of the present application;

[0018] Figure 3 It is a schematic diagram of the gas inlet distributor structure of the present application;

[0019] Figure 4 It is a schematic diagram of the first-stage separation assembly structure of the present application;

[0020] Figure 5 It is a schematic diagram of the second-stage separation assembly structure of the present application;

[0021] Figure 6 The utility model discloses a mist removing device structure schematic view.

[0022] In the drawing: 1, separator main body, 2, gas outlet, 3, liquid outlet, 4, gas inlet distributor, 41, gas inlet pipe, 42, distribution disc, 43, gas inlet hole, 5, first stage separation assembly, 51, separation plate, 52, protrusion, 6, second stage separation assembly, 61, wire mesh packing, 62, support frame, 7, mist removing device, 71, baffle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0024] In the utility model, unless there are explicit provisions and limitations, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figures 1-6The utility model provides a technical scheme: a kind of tetrahydrofuran synthesis reaction by-product gas-liquid two-phase separator, including separator main body 1, separator main body 1 top is equipped with gas outlet 2, bottom is equipped with liquid outlet 3 in separator main body 1 inside, from below to top, gas distributor 4, first stage separation component 5, second stage separation component 6, demisting device 7 are sequentially equipped;Gas distributor 4 includes gas inlet pipe 41 and distribution disc 42, gas inlet pipe 41 is connected with distribution disc 42 by penetrating the side wall of separator main body 1, and multiple gas inlets 43 are evenly provided on distribution disc 42;The pipe diameter of gas inlet pipe 41 is selected according to the processing capacity of separator, and gas inlet pipe 41 is welded with distribution disc 42;First stage separation component 5 is composed of multiple obliquely placed separation plates 51, specific angle is formed between adjacent separation plates 51, and a plurality of protrusions 52 are arranged on the surface of separation plate 51;Second stage separation component 6 includes multiple layers of wire mesh packing 61, and the wire mesh packing 61 is fixed in the separator main body 1 by the support frame 62, and the support frame 62 is made of stainless steel;Demisting device 7 is composed of multiple baffle plates 71, and the baffle plate 71 is in wave shape.

[0027] Working principle: tetrahydrofuran synthesis reaction by-product gas-liquid mixture enters gas distributor 4 through gas inlet pipe 41, and is evenly distributed into separator main body 1 through gas inlet hole 43 on distribution disc 42. In the rising process, the gas-liquid mixture first contacts first stage separation component 5, and due to the inclination angle and surface protrusion 52 of separation plate 51, the gas-liquid mixture is preliminarily separated, and the liquid flows down along the separation plate 51 under the action of gravity and is discharged through liquid outlet 3. The preliminarily separated gas continues to rise and enters second stage separation component 6, and the multiple layers of wire mesh packing 61 intercepts the tiny liquid droplets in the gas, further realizing gas-liquid separation. The gas separated by two stages is further separated by demisting device 7, and the remaining fine mist droplets are separated by baffle plate 71, and finally the pure gas is discharged from gas outlet 2.

[0028] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

Claims

1. A gas-liquid two-phase separator for tetrahydrofuran synthesis reaction by-products, characterized by, The utility model relates to a separator, which comprises a separator body (1) provided with a gas outlet (2) at the top and a liquid outlet (3) at the bottom, and sequentially arranged from bottom to top inside the separator body (1) are an air inlet distributor (4), a first-stage separation assembly (5), a second-stage separation assembly (6) and a demisting device (7).

2. A gas-liquid two-phase separator of a reaction by-product of tetrahydrofuran synthesis according to claim 1, characterized in that, The air inlet distributor (4) comprises an air inlet pipe (41) and a distribution disc (42), the air inlet pipe (41) is connected with the distribution disc (42) through the side wall of the separator body (1), and a plurality of air inlet holes (43) are uniformly arranged on the distribution disc (42).

3. A gas-liquid two-phase separator of a reaction by-product of tetrahydrofuran synthesis according to claim 2, characterized in that, The diameter of the air inlet pipe (41) is selected according to the processing capacity of the separator, and the air inlet pipe (41) is welded with the distribution disc (42).

4. A gas-liquid two-phase separator of a reaction by-product of tetrahydrofuran synthesis according to claim 1, characterized in that, The first-stage separation assembly (5) is composed of a plurality of inclined separation plates (51), the adjacent separation plates (51) form a specific angle, and the surface of the separation plate (51) is provided with a plurality of protrusions (52).

5. A gas-liquid two-phase separator of a reaction by-product of tetrahydrofuran synthesis according to claim 1, characterized in that, The second-stage separation assembly (6) comprises a plurality of layers of wire mesh fillers (61), the wire mesh fillers (61) are fixed in the separator body (1) through a support frame (62), and the support frame (62) is made of stainless steel.

6. A gas-liquid two-phase separator of a reaction by-product of tetrahydrofuran synthesis according to claim 1, characterized in that, The demisting device (7) is composed of a plurality of baffle plates (71), and the baffle plates (71) are in a wave shape.

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