CN208097593U - A kind of high-pressure separation apparatus - Google Patents

Abstract

A kind of high-pressure separation apparatus of the utility model,Including tower body,Tower body entrance in the middle part of the tower body side wall,Tower body gas vent at the top of the tower body and the tower body liquid positioned at the tower body bottom export admittedly,It include three groups of reinforcing mini cyclones inside tower body,Reinforcing mini cyclone described in every group includes three cyclone separators,It is uniformly distributed in the tower body circumference between the tower body entrance and tower body gas vent,It is fixed on tower body side wall,Each cyclone separator includes outer tube and inner tube,A part of inner tube lower part enters the top of the outer tube,Opening between the top and said inner tube of outer tube is the cyclone inlet,The top of inner tube is the cyclone separator gas vent,Eight guide vanes are provided between inner tube and outer tube,Each guide vane is in the same direction along outer wall of inner tube,It is uniformly distributed.Optimize cyclone separator, realizes and efficiently separate using less cyclone separator.

Description

A kind of high-pressure separation apparatus

Technical field

The utility model relates to Petroleum Processing Technology fields, and in particular to circulation is separated in a kind of hydrogenation reaction technical process The high-pressure separation apparatus of the substances such as hydrogen, oil, water and micro-solid particle.

Background technique

In recent years, crude quality and yield are all sharply declining, and demand of the people to light oil is more and more, therefore again The hydrogenation techniques such as oily hydrogen addition technology, direct coal liquefaction technology and oily coal mixing technology are increasingly taken seriously, these technologies The hydrocarbon raw materials such as heavy crude, coal are reacted under catalyst and high temperature with hydrogen, mink cell focus or coal are subjected to hydrogenation reaction, obtained Light oil.It is required in these techniques using high-pressure separation apparatus, the oil-gas-water three-phase product of reactor outlet is subjected to gas It is mutually recycled with liquid phase separation, the recycle hydrogen in gas phase, tail gas enters gas treatment equipment, and liquid phase enters fractionating system progress Fractionation.

In actual operation, since high-pressure separation apparatus is mostly inertia tower plate structure, low separation efficiency, drag losses are big. Cause separating obtained gas phase still band liquid, i.e., the particles such as entraining liquid hydrocarbon, diesel oil, sour water in recycle hydrogen gas, to downstream The long-term operation of key equipment brings very big harm；Drag losses then need that pressurizing device in addition is arranged in follow-up process greatly Compensation pressure loss.

The lower part of high separating device is used as fluid reservoir, and the position of liquid level has a great impact to the runnability of system： Liquid level is excessively high, will cause gas band liquid and generates damage to recycle compressor；Liquid level is too low, the gas being easy to happen in high-pressure system Body scurries into low-pressure system and explosion accident occurs, and increases the operation difficulty of high separating device.

In the prior art, exist and cyclone separator or mini cyclone are applied in high-pressure separation apparatus to improve The example of separative efficiency.Mini cyclone refers to cyclone separator of the diameter on outer tube top at tens-several hundred millimeters. Mini cyclone generally comprises outer tube and inner tube, and a part of said inner tube lower part enters the top of outer tube, inner tube top For cyclone separator gas vent, be tightly connected at the top of outer tube with outer wall of inner tube, the outer tube include top straight-tube portion and The straight-tube portion of the Taper Pipe part of lower part or the Taper Pipe part at middle part and lower part small diameter.The cyclone separator used is all made of The lateral air inlet of single port, the top that air inlet is located at the straight-tube portion of outer tube are unilateral.Need medium to be separated generally from air inlet into Enter to be separated, the liquid or liquid-solid mixture being separated are exported from outer pipe bottom and is discharged, and gas is discharged at the top of inner tube.This Kind mini cyclone has that low separation efficiency and drag losses are bigger than normal in use.

Therefore, these problems of the mini cyclone of the prior art have seriously affected it in high-pressure separation apparatus Using causing high-pressure separation apparatus there are separative efficiencies that low, device volume is big, cause consumption of materials and occupied area inclined Greatly, the defects of drag losses are also bigger than normal, energy consumption is high, continuous operation time is limited.

Utility model content

Based on problems of the prior art, the utility model provides a kind of high-pressure blast separator, and inside uses one Kind strengthens mini cyclone, can greatly improve separative efficiency, reduces drag losses.Therefore high-pressure separation apparatus volume, Drag losses and occupied area are small, and separative efficiency is high, low energy consumption, greatly improves continuous operation time.

The technical solution of the utility model：

A kind of high-pressure separation apparatus including tower body, the tower body entrance in the middle part of the tower body side wall, is located at the tower body The tower body gas vent at top and tower body liquid positioned at the tower body bottom export admittedly, it is characterised in that include inside the tower body Three groups of reinforcing mini cyclones, reinforcing mini cyclone includes three cyclone separators described in every group, is uniformly distributed It in tower body circumference between the tower body entrance and tower body gas vent, is fixed on tower body side wall, each whirlwind point It include outer tube and inner tube from device, a part of said inner tube lower part enters the top of the outer tube, the top of the outer tube and institute Stating the opening between inner tube is the cyclone inlet, and the top of said inner tube is the cyclone separator gas vent, Eight guide vanes are provided between said inner tube and outer tube, each guide vane is in the same direction along said inner tube outer wall, uniform Distribution.

Including partition, it is located at below the tower body gas vent, the partition is circular plate structure, circumference and tower body inner wall It is tightly connected, there is multiple partition gas vents corresponding with the cyclone separator gas vent, Mei Gesuo on the partition Cyclone separator gas vent is stated across the partition gas vent positioned at the partition and the tower body gas vent Collection chamber.

Including demister partition, the demister partition is located at the partition lower section, tower body entrance top, periphery and tower body Inner wall connection, the lower part of each outer tube are each passed through the aperture on the demister, and the cyclone inlet is located at Between the partition and the demister.

It including muti-piece otic placode, is fixed in the tower body inner wall of the tower body entrance top, each of the same group outer tube Lower end be fixed on the otic placode.

The tower body bottom is liquid storage area, and the tower body entrance is higher than tower body bottom liquid level, each outer tube Bottom has underflow pipe, and the underflow pipe has liquid seal device.

The center of the partition is equipped with manhole.

The guide vane is helical wire form.

The inner tube of the cyclone separator is the stainless steel tube of 85 × 4.5mm of Φ, and outer tube is the stainless of 100 × 6.5mm of Φ Steel pipe, the length that said inner tube enters outer tube is 60mm~150mm.

The technical effect of the utility model：

A kind of high-pressure separation apparatus of the utility model is by being provided with three groups of totally nine cyclone separators in inside, jointly Substance to be separated is acted on, partition density is increased.Axially open of each cyclone inlet between outer tube and inner tube, The medium entered from tower body entrance enters cyclone separator along axial entrance.Axial direction between the inner and outer pipes of the cyclone separator Opening area is much larger than the inlet area of lateral single port air inlet, and the effective admission area of cyclone separator dramatically increases.Then it mixes Gas spiral rotating under eight guide vane collective effects, reinforcing drainage is closed, and forms multiple vortex in guide vane tail portion, The flow strength of mixed gas is enhanced after multiple eddies, is enhanced the separating effect of cyclone separator, is separated into liquid And gas.Liquid flows downward along outer tube wall gravity into tower body bottom, exports outflow admittedly from tower body liquid, gas is then transported upwards It is dynamic to leave cyclone separator along inner tube top opening and enter at the top of tower body, finally go out to complete point of medium from tower body gas vent From.Since the restriction of guide vane quantity in high-pressure separator tower body using nine cyclone separators so that achieved that efficiently Separation, therefore have small volume, separative efficiency height, drag losses smaller with the high-pressure separation apparatus of above-mentioned cyclone separator (about 6~10kPa), occupied area is small, cycle of oparation is long, and the drag losses generated, much smaller than conventional high subsystem Allowable pressure drop value (50kPa) may be implemented significantly energy saving.

The gaseous product isolated from cyclone separator enters collection chamber, separates with gas is not separated in tower body, obtain compared with For pure gas products.

Medium to be separated first passes around the demister partition primary filtration after the entrance of tower body entrance, removes therein Large-sized drop and solid particle.

Otic placode is in the fixed cyclone separator in lower part, while the partition and demister partition limit cyclone separator on top Position, the fixed cyclone separator position of collective effect.

Tower body entrance avoids unsegregated admixture of gas from mixing with bottom liquid more than liquid level, pollutes bottom liquid； The liquid seal structure of underflow pipe prevents the gas entered by tower body mixture inlet from sealing in cyclone separator by liquid storage area.

The manhole at partition center facilitates people to enter carry out overhaul of the equipments.

The guide vane is helical wire form, guides medium along the helix type of flow, enhances flow strength, improves and be situated between Matter separative efficiency.

Preferably, inner tube is 100 × 6.0mm of Φ having a size of 85 × 4.5mm of Φ, size of outer tube, and inner tube enters the length of outer tube Degree is 60mm~150mm, can further reduce resistance, improve the efficiency of separation.

Detailed description of the invention

Fig. 1 is longitudinal partial sectional view of the cyclone separator of the utility model embodiment；

Fig. 2 is the top view of the cyclone separator of the utility model embodiment；

Fig. 3 is the fragmentary three-dimensional view of the cyclone separator of the utility model embodiment；

Fig. 4 is the longitudinal direction with the high-pressure separation apparatus for strengthening mini cyclone using the utility model embodiment Cross-sectional view；

Fig. 5 is the part with the high-pressure separation apparatus for strengthening mini cyclone using the utility model embodiment 3-D view；

Fig. 6 is the top with the high-pressure separation apparatus for strengthening mini cyclone using the utility model embodiment Transverse sectional view.

Each label lists as follows in figure：

1- inner tube, 2- outer tube, 3- guide vane, 4- air inlet, 5- cyclone separator gas vent, 6- cyclone separator, 7- high-pressure separation apparatus, 8- tower body, 9- demister partition, 10- partition, 11- tower body gas vent, 12- tower body mixture inlet, 13- tower body liquid exports admittedly, 14- otic placode, 15- collection chamber.

Specific embodiment

The utility model is further explained with attached drawing combined with specific embodiments below.

The utility model provides a kind of high-pressure separation apparatus with reinforcing mini cyclone, adds hydrogen for handling Hydrogenation products in process isolate the substances such as hydrogen, oil, water and micro-solid particle.

As shown in Figs. 1-2, a kind of cyclone separator 6 includes outer tube 2 and inner tube 1.Said inner tube 1 is straight pipe；Outer tube 2 wraps Top straight-tube portion, middle part conical section and lower part small diameter straight-tube portion are included, a part of 1 lower part of said inner tube enters The top of outer tube 2.Axially open between outer tube 2 and inner tube 1 is cyclone separator air inlet 4；The top opening of inner tube 1 is rotation Wind separator gas outlet 5.Guide vane 3 is provided between inner tube 1 and outer tube 2.The quantity of guide vane 3 is eight and along interior 1 outer wall of pipe is circumferential to be arranged in the same direction, is axially extending, being uniformly distributed.Guide vane 3 length 7mm, helix constant pitch 400mm, circle Number 0.12.Axial air inlet 4 makes 6 intake method of cyclone separator axially, to not only increase air inlet area, and pressure drop Reduce with drag losses, the further reinforcing drainage for combining eight guide vanes 3 forms multiple whirlpools in 3 tail portion of guide vane Stream and multiple vortex are capable of forming the coupling of flow strength enhancing, further enhance the flow strength of medium to improve separation effect Rate, that realizes gas and liquid or liquid-solid mixture efficiently separates effect.

As shown in figure 3, the guide vane 3 can be located on 1 outer wall circumference of said inner tube, while passing through between inner and outer pipes The guide vane 3 connects, and guide vane 3 is also used as attachment device as drainage device, simplifies structure.Specific implementation side Formula be guide vane 3 be welded on 1 outer wall of inner tube or by thick-walled pipe machine-shaping be the inner tube 1 with guide vane 3, outer tube 1 There are the guide vane placing groove of perforation, inner tube 1 is screwed in the guide plate blade placing groove of outer tube 2 by when installation, in outer tube 2 after screw-in Outside is welded, and realizes the connection of inner tube 1 and outer tube 2.It is arranged in outer tube 2 alternatively, guide vane 3 can also be welded and fixed On wall.In addition, the connection of other connection structures can also be used between inner and outer pipes and in guide vane 3 is only fixed on as guiding device On pipe 1 or on outer tube 2.

As shown in Figure 3, it is preferred that the guide vane 3 is the helical wire form flow deflector axially extending along inner tube, so that The helix type of flow is formed into the medium between inner and outer pipes, the flow strength of medium is further enhanced.

The length dimension of guide vane 3 can be according to the synthesis to the specific requirement for improving separative efficiency and reduction droop loss Consider and is arranged.Preferably, the length of guide vane 3 is 7-10mm.The length for increasing guide vane can make 3 pairs of gas of guide vane Gu or the drainage length of gas-solid liquid medium increases and further enhances separative efficiency, but will increase the pressure damage of gas simultaneously It loses, the energy consumption of subsequent production is high.

Preferably, it is 60mm~150mm that said inner tube 1, which enters 2 length of outer tube, as shown in figure 3, the lower part of said inner tube 1 100mm enter the top of outer tube 2.Inner tube 1 makes each having a size of 85 × 4.5mm of Φ, outer tube 2 having a size of 100 × 6.0mm of Φ The entrance velocity for strengthening mini cyclone 6 is greater than 15m/s.

As Figure 4-Figure 6, a kind of main body of high-pressure separation apparatus 7 of the present embodiment is tower body 8, including tower body mixture enters Mouth 12, tower body gas vent 11, tower body liquid export 13, demister partition 9, partition 10, otic placode 14 admittedly.Tower body gas vent 11 In 8 top of tower body, tower body liquid exports 13 admittedly and is located at 8 bottom of tower body, and tower body mixture inlet 12 is located at the side wall at 8 middle part of tower body Above, it is higher than bottom liquid.The partition 10 is circular plate structure, seals and connects positioned at the top of tower body 8, circumference and 8 inner wall of tower body It connects.The circumference of partition 10 is equipped with nine partition gas vents.Demister partition 9 be located at tower body mixture inlet 12 top, The lower section of partition 10, periphery are fixedly connected with 8 inner wall of tower body.Otic placode 14 is three, and it is high to be uniformly distributed tower body mixture inlet 12 It spends on the circumference in tower wall.Three groups of reinforcing mini cyclones are arranged in parallel in tower body 8, totally nine cyclone separators 6, often Three cyclone separators 6 of group are evenly distributed on the circumference of 10 lower section tower body of partition.Wherein each cyclone separator Gas vent 5 is corresponding to be located at collection chamber 15 across a partition gas vent, 2 bottom of outer tube pass through and be lower than the demister every Plate 9, for air inlet 4 between partition 10 and demister partition 9, each 2 lower end of outer tube with group is fixed on one piece of otic placode 14 On.The underflow pipe of 2 bottom of outer tube of each cyclone separator 6 has liquid seal device (not shown).

In addition, the center of the partition 10 is equipped with manhole, facilitates people to enter and carry out maintenance in device.The demister partition 9 could alternatively be composite layer defluid device.

Using above-mentioned there is the high-pressure separation apparatus 7 for strengthening mini cyclone to produce in hydrogenation process plus hydrogen Object is separated, and process is as follows：

Oil-containing, two component of water gaseous mixture from the tower body mixture inlet 12 at middle part enter high-pressure separation apparatus 7 in, pass through Large-sized drop and solid particle are removed after demister partition 9, are constantly settled downwards by gravity, are entered tower body bottom The liquid storage area in portion.Gaseous mixture after de- liquid enters between inner and outer pipes along axial separator air inlet 4, by the strong of guide vane 3 Change drainage and form strong rotation and be downwardly into 2 middle part of outer tube along the rotation of 2 inner wall of outer tube, the small net gas of density enters inner tube In 1, the collection chamber 15 above partition 10 is exited into from cyclone separator gas vent 5, obtains more pure gas products, High-pressure separation apparatus 7 finally is flowed out from tower body gas vent 11, into subsequent desulfurizer.The big oil of density and solid particle exist It is thrown toward 2 inner wall of outer tube under centrifugal force effect, and under the effect of gravity, quickly flows out cyclone separator 6 along 2 lower part of outer tube, is stored up There are in the liquid storage area of 7 bottom of high-pressure separation apparatus, after the height liquid seal for reaching high-pressure separator liquid level control mouth, finally from tower Body fluid exports the 13 outflows high-pressure separation apparatus 7 admittedly.

The drag losses that the above-mentioned cyclone separator 6 of arrangement nine generates are estimated to be 4~8kPa, do not exceed 20kPa and (consider Estimated value after uncertain factor), much smaller than the allowable pressure drop value (50kPa) of conventional high subsystem, may be implemented significantly Energy conservation.

The separating effect of the present embodiment is as follows：

Following separating effect is realized using less cyclone separator：

1, to the removing situation of drop：Separation accuracy to drop is the removal efficiency of 2-10 μm and the above partial size drop> 99%；

2, to the removing situation of solid particle：Separation accuracy to solid particle is 3 μm, 5 μm and the above partial size solid The removal efficiency of grain is not less than 95%；

3, the drag overall loss of high-pressure separation apparatus is less than 0.01MPa, and pressure drop is small；

4, when strength check meets pressure vessel code, the present embodiment realizes operation steady in a long-term.

It should be pointed out that those skilled in the art can be made to be more completely understood is practical for specific embodiment described above It is novel, but the utility model is not limited in any way.Therefore, although this specification is practical new to this referring to drawings and examples Type has been carried out detailed description, it will be understood by those skilled in the art, however, that still can modify to the utility model Or equivalent replacement, and the technical solution and its improvement of all spirit and scope for not departing from the utility model, such as each structure Fixed form, the quantity of cyclone separator, size, arrangement, the quantity of guide vane and mounting means etc. its should all contain It covers in the protection scope of the utility model patent.

Claims (7)

1. a kind of high-pressure separation apparatus including tower body, the tower body entrance in the middle part of the tower body side wall, is located at the tower body top The tower body gas vent in portion and tower body liquid positioned at the tower body bottom export admittedly, it is characterised in that include three inside the tower body Group strengthens mini cyclone, and reinforcing mini cyclone includes three cyclone separators described in every group, is uniformly distributed in In tower body circumference between the tower body entrance and tower body gas vent, it is fixed on tower body side wall, each cyclonic separation Device includes outer tube and inner tube, and a part of said inner tube lower part enters the top of the outer tube, the top of the outer tube with it is described Opening between inner tube is the cyclone inlet, and the top of said inner tube is the cyclone separator gas vent, institute It states and is provided with eight guide vanes between inner tube and outer tube, each guide vane in the same direction, uniformly divides along said inner tube outer wall Cloth, the tower body bottom are liquid storage area, and the tower body entrance is higher than tower body bottom liquid level, and the bottom of each outer tube has There is underflow pipe, the underflow pipe has liquid seal device.

2. high-pressure separation apparatus according to claim 1, it is characterised in that including partition, be located at the tower body gas vent Lower section, the partition are circular plate structure, and circumference and tower body inner wall are tightly connected, and have the multiple and whirlwind on the partition Separator gas exports corresponding partition gas vent, and each cyclone separator gas vent passes through the partition gas and goes out Collection chamber of the mouth between the partition and the tower body gas vent.

3. high-pressure separation apparatus according to claim 2, it is characterised in that including demister partition, the demister partition Below the partition, tower body entrance top, periphery is connect with tower body inner wall, and the lower part of each outer tube is each passed through institute The aperture on demister is stated, the cyclone inlet is between the partition and the demister.

4. high-pressure separation apparatus according to claim 1, it is characterised in that including muti-piece otic placode, be fixed on the tower body and enter In tower body inner wall above mouthful, the lower end of each of the same group outer tube is fixed on the otic placode.

5. high-pressure separation apparatus according to claim 2, it is characterised in that the center of the partition is equipped with manhole.

6. -5 any high-pressure separation apparatus according to claim 1, it is characterised in that the guide vane is spiral yarn shaped Formula.

7. -5 any high-pressure separation apparatus according to claim 1, it is characterised in that the inner tube of the cyclone separator is The stainless steel tube of 85 × 4.5mm of Φ, outer tube are the stainless steel tube of 100 × 6.5mm of Φ, and the length that said inner tube enters outer tube is 60mm~150mm.