CN210560192U - High-efficient system that urges that takes off of petroleum resin - Google Patents

Abstract

The utility model discloses a system of urging is taken off to petroleum resin high efficiency belongs to petroleum resin production facility technical field. The utility model discloses a high-efficient desorption of petroleum resin system of urging, including consecutive washing stirred tank, first-order washing tank, second grade washing tank and tertiary washing tank, still include circulating pump and vertical mixer, wherein the drain pipe of second grade washing tank links to each other with the inlet of circulating pump, and the liquid outlet of circulating pump links to each other with the water inlet of washing stirred tank; the discharge pipe of second grade washing jar links to each other with the feed inlet of tertiary washing jar through delivery pump and vertical mixer, and is equipped with pall ring packing in the vertical mixer. Adopt the technical scheme of the utility model the quantity of washing water can be reduced to improve washing effect, it is economical high-efficient.

Description

High-efficient system that urges that takes off of petroleum resin

Technical Field

The utility model belongs to the technical field of petroleum resin production facility, more specifically say, relate to a petroleum resin high efficiency takes off system of urging.

Background

The petroleum resin has the advantages of low price, good miscibility, low melting point, water resistance, ethanol resistance, chemicals resistance and the like, and can be widely used in various industries and fields of rubber, adhesives, coatings, papermaking, printing ink and the like. Since the main raw materials of petroleum resin are C5 and C9 fractions which are by-products of ethylene production by cracking petroleum hydrocarbons, the effective utilization of petroleum resin has become an important subject for the rational use of petroleum resources and the reduction of ethylene cost. The C5 petroleum resin is also called carbon five resin and aliphatic hydrocarbon resin, and is divided into 3 types of general type, blending type and colorless transparent type, the C5 petroleum resin has good viscosity increasing effect, heat resistance, stability, water resistance and acid and alkali resistance, the viscosity increasing effect is generally better than that of the C9 resin, and the resin has better compatibility with phenolic resin, terpene resin, coumarone resin, natural rubber, synthetic rubber and the like, and especially has excellent compatibility with Styrene Butadiene Rubber (SBR).

The production method of the C5 petroleum resin mainly comprises the following steps: the method comprises the steps of raw material pretreatment and configuration, catalytic polymerization, deactivation and washing, flash evaporation and desolventization, vacuum stripping, granulation and solvent recovery and separation. The removal of the catalyst is a key link for synthesizing high-quality C5 petroleum resin, and since unreacted catalyst may remain in a polymerization solution obtained after polymerization reaction, if the polymerization solution is not subjected to catalyst removal treatment, the hue of the produced C5 petroleum resin is deteriorated, the transparency is reduced, the ash content is ultrahigh, the aging resistance of the C5 petroleum resin is also influenced, and the influence on the performance of the resin is very obvious. Therefore, the effective improvement of the catalyst removal effect in the resin liquid is very important for ensuring the quality of the petroleum resin. At present, in the prior art, three-stage water washing treatment is usually performed on a resin polymerization solution to remove a catalyst therein, the removal effect of the catalyst still needs to be further improved, and the use amount of water for water washing is relatively large, so that the production cost is high.

For example, the applicant filed on 09/12/2015, application No. 201520574795.7 discloses a C5 petroleum resin catalyst deactivation and removal system, in which a liquid outlet pipe of a polymer liquid extraction pump is connected with an auxiliary agent supply pipe and a hot water supply pipe, then merged into a whole, and connected with a feed inlet at the bottom of a water washing stirring kettle; a discharge hole at the top of the washing stirring kettle is connected with a feed inlet of the primary washing tank through a pipeline; a liquid outlet pipe at the top of the first-stage washing tank is connected with a hot water supply pipe and then is converged into one path, and the one path is connected with a feed inlet of the second-stage washing tank through a first mixer; the liquid outlet pipe at the top of the second-stage washing tank is connected with the hot water supply pipe and the ammonia water supply pipe and then is converged into one path, and the other path is connected with the third-stage washing tank through the second mixer. This application is through the setting of tertiary washing jar to add the blender between adjacent washing jar, thereby can improve the washing effect of resin liquid to a certain extent, nevertheless the use amount of washing water is still more in this application, and its washing effect also remains to be further improved.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

The utility model aims to overcome among the prior art when carrying out the washing with desorption catalyst wherein to resin polymerization liquid, the quantity and the waste water production volume of washing water are great relatively, and the desorption effect of catalyst remains the not enough of further improvement, provides a petroleum resin high efficiency and takes off system of urging. Adopt the technical scheme of the utility model the quantity of washing water can be reduced to improve washing effect, it is economical high-efficient.

2. Technical scheme

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model discloses a high-efficient desorption of petroleum resin system of urging, including consecutive washing stirred tank, first-order washing tank, second grade washing tank and tertiary washing tank, still include circulating pump and vertical mixer, wherein the drain pipe of second grade washing tank links to each other with the inlet of circulating pump, and the liquid outlet of circulating pump links to each other with the water inlet of washing stirred tank; the discharge pipe of second grade washing jar links to each other with the feed inlet of tertiary washing jar through delivery pump and vertical mixer, and is equipped with pall ring packing in the vertical mixer.

Furthermore, a buffer tank is arranged on a drain pipe of the secondary washing tank, and a discharge port of the buffer tank is connected with a liquid inlet of the circulating pump through a pipeline.

Furthermore, the upper part of the vertical mixer is connected with the feed inlet of the conveying pump through a circulating pipe.

Furthermore, the discharge pipe of the second-stage water washing tank is directly connected with the feed inlet of the third-stage water washing tank through a static mixer.

Furthermore, a feed inlet of the water washing stirring kettle is connected with a discharge outlet of the polymerization kettle through a pipeline and a resin liquid discharge pump.

Furthermore, stirrers are arranged in the water washing stirring kettle and the polymerization kettle.

Furthermore, the first-stage water washing tank, the second-stage water washing tank and the third-stage water washing tank are all provided with a boundary level meter.

Furthermore, the lower end of the level gauge is connected with a flushing pipe.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a system is urged to high-efficient elution of petroleum resin, including consecutive washing stirred tank, one-level washing jar, second grade washing jar and tertiary washing jar, wherein the drain pipe of second grade washing jar passes through the circulating pump and links to each other with washing stirred tank, and the washing hydrologic cycle that produces after washing through with second grade washing jar is used to washing stirred tank to can reduce the use amount of washing water and the emission of waste water on the basis of guaranteeing the washing effect, reach energy saving and consumption reduction's purpose. And simultaneously, the utility model discloses still be equipped with vertical mixer between well second grade washing jar and the tertiary washing jar, setting up through vertical mixer can make resin liquid and washing carry out the intensive mixing with hot water to improve the washing effect, be favorable to avoiding the pipeline corrosion problem that causes follow-up system because of washing thoroughly.

(2) The utility model discloses a system of urging is taken off to petroleum resin high efficiency, the feed inlet that circulating pipe and delivery pump were passed through to vertical mixer's upper portion links to each other, and setting through circulation pipeline can make resin liquid and washing carry out the manifold cycles with hot water and mix to the mixing homogeneity of resin liquid and washing with hot water has further been improved.

(3) The utility model discloses a high-efficient system of urging that takes off of petroleum resin, the discharging pipe of second grade washing jar still directly links to each other through the feed inlet of static mixer and tertiary washing jar, and under the normal condition, the pipeline valve at static mixer place is closed, and vertical mixer work, and when vertical mixer place pipeline breaks down or overhauls, then can launch static mixer and mix resinoid and hot water.

(4) The utility model discloses a high-efficient system that accelerates that takes off of petroleum resin, all install the boundary position meter on one-level washing jar, second grade washing jar and the tertiary washing jar, can carry out real-time supervision and observation to the boundary position in the washing jar through the setting of boundary position meter to be convenient for cut the control of water operation, resin liquid easily adheres at the boundary position meter inner wall in nevertheless the use, causes "false liquid level", thereby influences the washing effect, the utility model discloses a setting up of flushing pipe can regularly let in hot water to the boundary position meter and wash, thereby can avoid false liquid level to have the influence to the washing effect.

Drawings

FIG. 1 is a schematic structural view of a petroleum resin high-efficiency catalyst removal system of the present invention;

in the figure:

1. a polymerization kettle; 2. a resin liquid discharge pump; 3. washing the stirred tank with water; 4. a water inlet pipe; 5. a first-stage water washing tank; 6. a third-stage washing tank; 7. a boundary position meter; 8. a flush tube; 9. a second stage water washing tank; 10. a buffer tank; 11. a circulation pump; 12. a static mixer; 13. a delivery pump; 14. a circulation pipe; 15. a vertical mixer.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

Example 1

As shown in fig. 1, the high-efficient elution of petroleum resin of this embodiment catalyzes system, including consecutive polymerizer 1, washing stirred tank 3, one-level washing tank 5, second grade washing tank 9 and tertiary washing tank 6, still include circulating pump 11 and vertical mixer 15, wherein be equipped with resin liquid discharge pump 2 on polymerizer 1's the discharging pipe, all be equipped with the agitator in washing stirred tank 3 and polymerizer 1. The polymerization liquid that produces through 1 polymerization of polymeric kettle takes out and carries to washing stirred tank 3 through resin liquid discharge pump 2, lets in hot water and intensive mixing in 3 to washing stirred tank through inlet tube 4 simultaneously, and the resin liquid through 3 processing of washing stirred tank gets into one-level washing jar 5, second grade washing jar 9 and tertiary washing jar 6 in proper order to let in hot water through inlet tube 4 in to three washing jar respectively and carry out tertiary washing settlement to the resin liquid, with desorption catalyst wherein. Wherein the third-stage water washing tank 6 is an alkaline washing tank, and certain ammonia water is also introduced into the alkaline washing tank.

Be equipped with buffer tank 10 in this embodiment on second grade washing tank 9's the drain pipe, buffer tank 10's discharge gate passes through the pipeline and links to each other with circulating pump 11's inlet, and circulating pump 11's liquid outlet links to each other with washing stirred tank 3's water inlet. The washing water of three washing jar discharges through the drain pipe usually directly among the prior art, consequently the use amount of washing water and the production volume of waste water are all great, and carry buffer tank 10 with the drainage of second grade washing jar 9 in this embodiment, and continuously supply water in to washing stirred tank 3 by buffer tank 10 with recycling, owing to handle the back through washing stirred tank and one-level washing jar, the drainage of second grade washing jar is clean relatively, thereby can be on the basis of guaranteeing the washing effect, reduce washing water volume and waste water discharge.

In order to further improve the washing effect of resin liquid, vertical mixer 15 is add between second grade washing jar 9 and tertiary washing jar 6 to this embodiment, and the discharging pipe of second grade washing jar 9 links to each other with tertiary washing jar 6's feed inlet through delivery pump 13 and vertical mixer 15, and is equipped with pall ring filler in vertical mixer 15 to can improve resin liquid and hydrothermal mixing homogeneity, and then be favorable to improving the washing effect. The applicant improves the mixing uniformity of the resin liquid and the hot water by additionally arranging the static mixer, but the static mixer is often blocked, so that the overall pressure of the water washing unit is increased, the safety of the device is influenced, and the problem can be effectively avoided.

Example 2

The structure of the petroleum resin high-efficiency catalyst removal system of the embodiment is basically the same as that of the embodiment 1, and the difference is mainly that: the upper portion of vertical mixer 15 is passed through circulating pipe 14 and is linked to each other with the feed inlet of delivery pump 13, and when the mixed liquid level of resin liquid and hydrothermal reached circulating pipe 14 entry height, can carry to the feed inlet of delivery pump 13 from circulating pipe 14 to flow back and carry out circulation mixing processing many times to vertical mixer 15, thereby be favorable to further improving the mixing homogeneity of resin liquid and hydrothermal, guarantee the washing effect. The discharging pipe of second grade washing jar 9 still links to each other with tertiary washing jar 6 feed inlet directly through static mixer 12 in this embodiment, and under the normal condition, static mixer 12 place pipeline valve is closed, and the work of vertical mixer 15, and when vertical mixer 15 place pipeline broke down or overhauld, then can launch static mixer 12 and mix resin liquid and hot water to be favorable to guaranteeing the continuity of production.

Example 3

The structure of the petroleum resin high-efficiency catalytic cracking system of the embodiment is basically the same as that of the embodiment 2, and the difference is mainly that: all install boundary level meter 7 on one-level washing jar 5, second grade washing jar 9 and the tertiary washing jar 6, can carry out real-time supervision to the boundary level of liquid in the washing jar through boundary level meter 7 to can realize the accurate control of washing operation, be favorable to ensureing the water oil separating effect. But resin liquid easily adheres to boundary level meter inner wall in the use, causes "false liquid level" to influence the washing effect, through the addding of flushing pipe 8 in this embodiment, make the lower extreme of boundary level meter 7 link to each other with flushing pipe 8, thereby can regularly let in hot water to the interior of boundary level meter 7 and wash, and then effectively avoid false liquid level to have the influence to the washing effect. .

Claims (8)

1. The utility model provides a high-efficient elution of petroleum resin urges system, includes consecutive washing stirred tank (3), one-level washing jar (5), second grade washing jar (9) and tertiary washing jar (6), its characterized in that: the device also comprises a circulating pump (11) and a vertical mixer (15), wherein a drain pipe of the secondary washing tank (9) is connected with a liquid inlet of the circulating pump (11), and a liquid outlet of the circulating pump (11) is connected with a water inlet of the washing stirring kettle (3); the discharge pipe of the second-stage water washing tank (9) is connected with the feed inlet of the third-stage water washing tank (6) through a delivery pump (13) and a vertical mixer (15), and pall ring packing is arranged in the vertical mixer (15).

2. The efficient petroleum resin degassing and catalyzing system of claim 1, wherein: a drain pipe of the secondary washing tank (9) is provided with a buffer tank (10), and a discharge port of the buffer tank (10) is connected with a liquid inlet of the circulating pump (11) through a pipeline.

3. The efficient petroleum resin degassing and catalyzing system of claim 1, wherein: the upper part of the vertical mixer (15) is connected with the feed inlet of the conveying pump (13) through a circulating pipe (14).

4. The efficient petroleum resin degassing and catalyzing system of claim 3, wherein: the discharge pipe of the second-stage water washing tank (9) is directly connected with the feed inlet of the third-stage water washing tank (6) through a static mixer (12).

5. The high-efficiency petroleum resin catalysis removing system according to any one of claims 1 to 4, wherein: the feed inlet of the water-washing stirring kettle (3) is connected with the discharge outlet of the polymerization kettle (1) through a pipeline and a resin liquid discharge pump (2).

6. The efficient petroleum resin degassing and catalyzing system of claim 5, wherein: stirrers are arranged in the water washing stirring kettle (3) and the polymerization kettle (1).

7. The high-efficiency petroleum resin catalysis removing system according to any one of claims 1 to 4, wherein: and the first-stage water washing tank (5), the second-stage water washing tank (9) and the third-stage water washing tank (6) are all provided with a boundary level meter (7).

8. The efficient petroleum resin degassing and catalyzing system of claim 7, wherein: the lower end of the boundary level meter (7) is connected with the flushing pipe (8).

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