CN215609407U - Novel coking chemical product recovery device debenzolization tower internal part process equipment - Google Patents

Abstract

The utility model provides novel benzene removal tower internal part process equipment of a coking chemical product recovery device, which relates to the field of coking and comprises a tank body, wherein a flash evaporation feeding distributor is fixedly arranged at the center inside the tank body, a rectification section and a stripping section are respectively arranged right above and right below the flash evaporation feeding distributor, the rectification section and the stripping section are fixedly arranged inside the tank body, the rectification section comprises a low-flow liquid distributor and low-pressure-drop packing, and the stripping section comprises internal components and high-flux anti-blocking combined packing. The rectification section ensures the separation effect to enable the index of the crude benzene product at the top of the tower to meet the requirement, has very low pressure drop, fully utilizes the heat brought by feeding, reduces the energy consumption of the device, has better anti-blocking effect and high equipment reliability. The stripping section adopts novel vertical baffle packing, guarantees to have very low pressure drop, provides very big mass transfer interface simultaneously and supplies the abundant flash distillation of material, and this packing has fine anti-blocking effect, void ratio, is more suitable for high viscosity fluid, improves the strip separation effect.

Description

Novel coking chemical product recovery device debenzolization tower internal part process equipment

Technical Field

The utility model relates to the technical field of coking, in particular to a novel benzene removal tower internal part process device for a coking chemical product recovery device.

Background

The coking chemical product recovery device debenzolization tower is used for treating rich oil that the benzene scrubber comes, and the debenzolization effect in the quality of benzene scrubber lean oil and the coal gas is directly influenced to the debenzolization tower treatment effect, and crude benzene product quality and device energy consumption have great influence to whole device simultaneously.

The prior art generally adopts a negative pressure debenzolization technology, internal parts of a tower are separated by adopting a vertical sieve plate tower tray, the number of the tower trays in a stripping section is large, and feeding is initially distributed by adopting a common distribution pipe, and the defects of the technology comprise that the pressure drop of the tower tray adopted in a rectification section is higher, particularly the gas velocity of the vertical sieve plate is higher, so that great pressure drop is caused, and the separation effect of the device is reduced; the liquid phase distribution pipe can not realize full flash evaporation of the feeding material, so that the load of a stripping section is higher, and the energy consumption is increased; the pressure drop of the stripping section is high, the stripping effect is poor, and the steam consumption is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a novel benzene removal tower internal part process device for a coking chemical product recovery device.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a novel coking chemical recovery device takes off benzene tower internals process equipment, which comprises a tank body, internal portion center fixed mounting of jar is equipped with flash distillation feeding distributor, be equipped with rectification section and stripping section respectively directly over and under flash distillation feeding distributor, and the equal fixed mounting of rectification section and stripping section is internal at the jar, the rectification section includes low flow liquid distributor and low pressure drop filler, the stripping section includes that inner assembly and high flux are anti to block up the combined packing.

Preferably, flash distillation feeding distributor tip is equipped with the second connecting pipe, and second connecting pipe tip runs through a jar body surface, keeps away from flash distillation feeding distributor's second connecting pipe tip is equipped with the heating furnace, and heating furnace and second connecting pipe fixed connection, the other end of heating furnace is equipped with the rich oil inlet pipe, and rich oil inlet pipe and heating furnace flange joint.

Preferably, be equipped with the stripping pipe under the stripping section, and the stripping pipe is fixed in a jar internal portion, the stripping pipe tip is equipped with the intake pipe, and intake pipe and stripping pipe flange joint.

Preferably, the bottom end of the tank body is provided with a first connecting pipe, and one end of the first connecting pipe is connected with a flange at the bottom of the tank body.

Preferably, the other end of the first connecting pipe is provided with a circulating pump, the circulating pump is connected with the flange at the end part of the first connecting pipe, the outlet end of the circulating pump is provided with a regenerated lean oil pipe, and the circulating pump is connected with the regenerated lean oil pipe and the flange of the circulating pump.

Preferably, a return pipe is arranged right above the rectifying section and fixedly installed inside the tank body, a vacuum pipe is arranged at the top of the tank body, and the end part of the vacuum pipe is connected with a flange at the top of the tank body.

Preferably, the low-pressure-drop packing is uniformly filled in the rectifying section, and the high-flux anti-blocking combined packing is filled in the stripping section.

Advantageous effects

According to the utility model, through simulating the state of the feeding material under the operation condition, a reasonable feeding material distribution device is designed and adopted, so that the feeding material flash evaporation is fully ensured, meanwhile, the impact on the tower wall is reduced, and the long-period stable operation of the device is ensured.

In the utility model, the rectification section adopts a combined internal part design, thereby ensuring the separation effect to ensure that the index of the crude benzene product at the top of the tower meets the requirement, having very low pressure drop, fully utilizing the heat brought by feeding, reducing the energy consumption of the device, having better anti-blocking effect and high equipment reliability.

In the utility model, the stripping section adopts novel vertical baffle packing, so that very low pressure drop is ensured, a very large mass transfer interface is provided for full flash evaporation of materials, the packing has very good anti-blocking effect and void ratio, is more suitable for high-viscosity fluid, and improves the stripping separation effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the rectifying section of FIG. 1;

FIG. 3 is an enlarged view of the stripping section of FIG. 1.

Illustration of the drawings:

1. a flash feed distributor; 2. a rectifying section; 201. a low flow liquid distributor; 202. a low pressure drop filler; 3. a stripping section; 301. an internal component; 302. high flux anti-blocking combined packing; 4. a vacuum tube; 5. A tank body; 6. a return pipe; 7. a stripping tube; 8. an air inlet pipe; 9. a first connecting pipe; 10. a circulation pump; 11. Regenerating the lean oil pipe; 12. a rich oil feed pipe; 13. heating furnace; 14. a second connecting pipe.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-3, a novel benzene removal tower internal part process equipment of a coking chemical product recovery device comprises a tank body 5, a flash evaporation feeding distributor 1 is fixedly installed at the center inside the tank body 5, a rectification section 2 and a stripping section 3 are respectively arranged right above and below the flash evaporation feeding distributor 1, the rectification section 2 and the stripping section 3 are both fixedly installed inside the tank body 5, the rectification section 2 comprises a low-flow liquid distributor 201 and a low-pressure-drop filler 202, the stripping section 3 comprises an internal component 301 and a high-flux anti-blocking combined filler 302, the low-pressure-drop filler 202 is uniformly filled inside the rectification section 2, and the high-flux anti-blocking combined filler 302 is filled inside the stripping section 3.

The end part of the flash evaporation feeding distributor 1 is provided with a second connecting pipe 14, the end part of the second connecting pipe 14 penetrates through the surface of the tank body 5, the end part of the second connecting pipe 14 far away from the flash evaporation feeding distributor 1 is provided with a heating furnace 13, the heating furnace 13 is fixedly connected with the second connecting pipe 14, the other end of the heating furnace 13 is provided with a rich oil feeding pipe 12, and the rich oil feeding pipe 12 is connected with the heating furnace 13 through a flange.

A stripping pipe 7 is arranged under the stripping section 3, the stripping pipe 7 is fixed inside the tank body 5, an air inlet pipe 8 is arranged at the end part of the stripping pipe 7, the air inlet pipe 8 is in flange connection with the stripping pipe 7, a first connecting pipe 9 is arranged at the bottom end of the tank body 5, one end of the first connecting pipe 9 is in flange connection with the bottom of the tank body 5, a circulating pump 10 is arranged at the other end of the first connecting pipe 9, the circulating pump 10 is in flange connection with the end part of the first connecting pipe 9, a regenerated lean oil pipe 11 is arranged at the outlet end of the circulating pump 10, the circulating pump 10 is in flange connection with the regenerated lean oil pipe 11 and the circulating pump 10, a return pipe 6 is arranged over the rectifying section 2, the return pipe 6 is fixedly installed inside the tank body 5, a vacuum pipe 4 is arranged at the top of the tank body 5, and the end part of the vacuum pipe 4 is in flange connection with the top of the tank body 5.

The working principle of the utility model is as follows: the rich oil is heated to 190 ℃ through a heating furnace 13, enters the middle section of the debenzolization tower, the jacking pressure of the debenzolization tower is maintained at 20-50kPa through a vacuum pumping system, crude benzene products and light components are extracted from the tower top, the crude benzene content in the lean oil is ensured to be qualified through steam stripping at the tower bottom, a reasonable feeding distribution device is designed through the state simulation of feeding under the operating condition, a combined type internal part design is adopted in the rectification section 2, a novel vertical baffle packing is adopted in the stripping section 3, the related tower internal parts are matched for ensuring the efficient and stable operation of the debenzolization tower, the reasonable feeding distribution device is designed through the state simulation of feeding under the operating condition, the feeding flash evaporation is fully ensured, meanwhile, the impact on the tower wall is reduced, the long-period stable operation of the device is ensured, the rectification section 2 adopts the combined type internal part design, the separation effect is ensured to ensure that the indexes of the crude benzene products at the tower top meet the requirements, the device has the advantages of low pressure drop, full utilization of heat brought by feeding, reduction of energy consumption of the device, good anti-blocking effect, high reliability of the device, adoption of novel vertical baffle packing in the stripping section 3, guarantee of very low pressure drop, provision of a large mass transfer interface for full flash evaporation of materials, good anti-blocking effect and high void ratio of the packing, suitability for high-viscosity fluid, and improvement of stripping separation effect.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a novel coking chemical product recovery device takes off benzene tower internals process equipment, includes jar body (5), its characterized in that: the utility model discloses a solar energy rectification device, including jar body (5), the inside center fixed mounting of jar body (5) is equipped with flash distillation feeding distributor (1), be equipped with rectification section (2) and stripping section (3) respectively directly over and under flash distillation feeding distributor (1), and rectification section (2) and the equal fixed mounting of stripping section (3) are inside jar body (5), rectification section (2) are including low flow liquid distributor (201) and low pressure drop filler (202), stripping section (3) are including inner assembly (301) and anti stifled combination filler (302) of high flux.

2. The novel coking chemical product recovery device debenzolization tower internal part process equipment as claimed in claim 1, is characterized in that: flash distillation feeding distributor (1) tip is equipped with second connecting pipe (14), and second connecting pipe (14) tip runs through jar body (5) surface, keeps away from second connecting pipe (14) tip of flash distillation feeding distributor (1) is equipped with heating furnace (13), and heating furnace (13) and second connecting pipe (14) fixed connection, the other end of heating furnace (13) is equipped with rich oil inlet pipe (12), and rich oil inlet pipe (12) and heating furnace (13) flange joint.

3. The novel coking chemical product recovery device debenzolization tower internal part process equipment as claimed in claim 1, is characterized in that: be equipped with stripping pipe (7) under stripping section (3), and inside stripping pipe (7) were fixed in jar body (5), stripping pipe (7) tip was equipped with intake pipe (8), and intake pipe (8) and stripping pipe (7) flange joint.

4. The novel coking chemical product recovery device debenzolization tower internal part process equipment as claimed in claim 1, is characterized in that: the bottom end of the tank body (5) is provided with a first connecting pipe (9), and one end of the first connecting pipe (9) is connected with a flange at the bottom of the tank body (5).

5. The novel coking chemical product recovery device debenzolization tower internal part process equipment as claimed in claim 4, is characterized in that: the other end of the first connecting pipe (9) is provided with a circulating pump (10), the circulating pump (10) is connected with the end part of the first connecting pipe (9) through a flange, the outlet end of the circulating pump (10) is provided with a regenerated lean oil pipe (11), and the circulating pump (10) is connected with the regenerated lean oil pipe (11) and the circulating pump (10) through a flange.

6. The novel coking chemical product recovery device debenzolization tower internal part process equipment as claimed in claim 1, is characterized in that: a return pipe (6) is arranged right above the rectifying section (2), the return pipe (6) is fixedly installed inside the tank body (5), a vacuum pipe (4) is arranged at the top of the tank body (5), and the end part of the vacuum pipe (4) is connected with a flange at the top of the tank body (5).

7. The novel coking chemical product recovery device debenzolization tower internal part process equipment as claimed in claim 1, is characterized in that: the low-pressure-drop packing (202) is uniformly filled in the rectifying section (2), and the high-flux anti-blocking combined packing (302) is filled in the stripping section (3).

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