CN213232140U - Row sediment device is arranged to crude benzol - Google Patents
Row sediment device is arranged to crude benzol Download PDFInfo
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- CN213232140U CN213232140U CN202021622986.3U CN202021622986U CN213232140U CN 213232140 U CN213232140 U CN 213232140U CN 202021622986 U CN202021622986 U CN 202021622986U CN 213232140 U CN213232140 U CN 213232140U
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- residue
- deslagging
- slag discharging
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- crude benzene
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Abstract
The utility model discloses a crude benzol deslagging device, which is used for discharging crude benzol residues generated in a regenerator in the process of producing crude benzol in a coking plant, belongs to the technical field of coking recovery residues, and comprises a regenerator, a deslagging system, a tar storage tank and a steam blower; the regenerator is connected with the debenzolization tower, the slag discharging system comprises a residue tank and a slag discharging pump, the residue tank is connected with the regenerator, and the slag discharging system is connected with the tar storage tank through the slag discharging pump; in the deslagging process, the residue in the regenerator is swept to the residue tank by superheated steam, the residue is sent to the tar storage tank by the deslagging pump, two parallel deslagging systems can be arranged in the crude benzene deslagging device, the two deslagging systems can be simultaneously started, the other deslagging system can be used for standby when only one deslagging system is used, the other standby deslagging system can be immediately started when the deslagging system needs to be overhauled or the deslagging system in operation is blocked or has other faults, the operation of the whole equipment does not need to be stopped, and the working efficiency can be effectively improved.
Description
Technical Field
The utility model belongs to the technical field of a residue technical field is retrieved in coking and specifically relates to a sediment device is arranged to crude benzol is related to.
Background
Crude benzene is one of the main products of a coking plant, and crude benzene residues are generated in the process of producing crude benzene. In the deslagging operation of the crude benzene section of the coke-oven plant workshop, part of the circulating wash oil is generally sent to a regenerator, superheated steam is used for blowing and steaming, the blown and steamed oil gas is used as a heat source to enter a debenzolization tower, and the residual high molecular substances of the circulating wash oil are discharged as residues. A large amount of flue gas is emitted when the existing crude benzol washing oil is regenerated and discharged, so that the atmosphere is polluted, and the discharged washing oil residue is sent to a coal blending workshop section for coal blending, so that a large amount of solid waste is generated in the process, and the environment pollution is caused. Because the crude benzene residue is a heavy component substance generated by long-term circulation of the wash oil, and the wash oil is obtained by distillation of tar, the properties of the crude benzene residue and the tar are similar, the price of the crude benzene residue in the existing market is about 1200 yuan per ton, the price of the tar is about 2800 yuan per ton, and about 1600 yuan can be increased for recycling 1 ton of residue. Therefore, the crude benzene residue is returned to the tar system, so that the discharge of the crude benzene residue can be reduced, the yield of tar can be increased, and the economic benefit can be increased.
The utility model discloses a grant utility model CN207891314U patent that bulletin day is 2018 9 month 21 days discloses a clean production crude benzol of environment-friendly row sediment device, including regeneration tower, the sediment jar, arrange the sediment valve, the clean system of residue collecting pit and tail gas, the jar internal high pressure sprinkler that is provided with of sediment jar, the residue of arranging to the sediment jar from the regeneration tower is purified the back through residue recovery pump and is delivered to tar aqueous ammonia underground tank, use this technique can effectively reduce exhaust emissions and retrieve the tar that has economic value, but this equipment structure is complicated, the pipeline length is unfavorable for the plant maintenance, need the operation of stop equipment when the sediment jar needs to be overhauld, appear blockking up or other trouble, influence course of work and whole work efficiency.
Disclosure of Invention
The utility model aims to solve the technical problem that a sediment device is arranged to crude benzol is provided, solves the operation that needs the stop equipment when the slag ladle need overhaul, block up other trouble appearing that current row's sediment device exists, influences work process and whole work efficiency scheduling problem.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a crude benzene deslagging device comprises a regenerator, a deslagging system, a tar storage tank and a steam blower, wherein the regenerator is connected with the lower part of a debenzolization tower; the slag discharging system comprises a residue tank and a slag discharging pump, the residue tank is connected with the regenerator, and the residue tank is provided with a tail gas discharging port and a heater; the slag discharging system is connected with the tar storage tank through a slag discharging pump; the crude benzene slag discharging device comprises at least two slag discharging systems.
Preferably, the deslagging device of the debenzolization regenerator is provided with two parallel deslagging systems.
Preferably, the deslagging systems can be used independently, when equipment needs to be overhauled and the deslagging system in operation is blocked or has other faults, the other spare deslagging system can be started immediately, the operation of the equipment does not need to be stopped, and two deslagging systems can be selected to be started simultaneously according to the requirement of actual workload, so that the working efficiency is further improved.
Preferably, two slag discharge pumps connected in parallel are arranged in the slag discharge system.
Preferably, the slag discharging pumps can be used independently, and two slag discharging pumps can be selected to be started simultaneously according to actual working requirements.
Preferably, the tail gas discharge port is connected with the tail gas absorption system through an exhaust pipe, so that waste gas is prevented from being directly discharged into the air in the deslagging process, and the environmental pollution and the influence on the health of workers are effectively avoided.
Preferably, a steam inlet I and a steam inlet II are arranged between the residue tank and the regenerator, a steam inlet III is arranged between the residue tank and the residue discharge pump, the steam inlet I, the steam inlet II and the steam inlet III are connected with the steam blower, superheated steam helps the residues to be rapidly discharged into the residue tank and the tar storage tank, and the residues are effectively prevented from being cooled, solidified and blocking pipelines in the process.
Preferably, a liquid level meter is arranged in the residue tank, the heater is a heating coil, a steam inlet IV and a steam outlet V are arranged on the heating coil, and superheated steam in the heating coil further prevents the residue from being cooled and solidified in a residue discharge process to cause pipeline blockage.
Preferably, a hole is formed in a manhole cover at the top of the tar storage tank, the deslagging system is connected with the hole through a residue pipeline, the residue pipeline extends into the tar storage tank through the hole, a movable manhole cover is provided with a hole, and pipeline prefabrication and field assembly can be carried out in a safe area to avoid fire.
Preferably, the residue pipeline extending into the tar storage tank has a certain inclination angle, so that the residue and the tar can be uniformly mixed.
The utility model has the advantages that:
1. the two slag discharging systems can be selected to be simultaneously started or the two slag discharging pumps can be simultaneously started according to the requirement of actual workload, when only one slag discharging system is used, the other slag discharging system can be used as a spare slag discharging system, when equipment maintenance is required and the slag discharging system in operation is blocked or has other faults, the other spare slag discharging system can be immediately started without stopping the operation of the whole equipment, and the working efficiency can be effectively improved;
2. the residue after deslagging is completely recycled to the tar storage tank, so that the yield and economic value of tar are increased, and the solid waste discharge is reduced;
3. effectively avoiding the unorganized emission of waste gas in the deslagging process.
Drawings
FIG. 1 is a schematic structural view of a crude benzene extraction apparatus.
The reference signs are: the system comprises a 1-debenzolization tower, a 2-regenerator, a 3-steam inlet I, a 4-slag discharge valve, a 5-steam inlet II, a 6-residue tank, a 7-exhaust pipe, an 8-heater, a 9-steam outlet IV, a 10-steam inlet V, an 11-delivery valve, a 12-steam inlet III, a 13-slag discharge pump, a 14-tar storage tank and a 15-tail gas absorption system.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1:
as shown in figure 1, the crude benzene slag discharging device comprises a regenerator 2, a slag discharging system, a tar storage tank 14 and a steam blower, wherein the regenerator 2 is connected with the lower part of a debenzolization tower 1 through a pipeline. The slag discharging system comprises a residue groove 6 and a slag discharging pump 13 communicated with the residue groove 6, the residue groove 6 in the slag discharging system is connected with the regenerator 2, a slag discharging valve 4 is arranged on a slag discharging pipeline, and a steam inlet I3 and a steam inlet II 5 are arranged on two sides of the slag discharging valve 4. The upper part of the residue tank 6 is provided with a tail gas discharge port, the tail gas discharge port is connected with a tail gas absorption system 15 through an exhaust pipe 7, the lower part of the residue tank 6 is provided with a coil type heater 8, the heater 8 is provided with a steam inlet V10 and a steam outlet IV 9, and the residue tank 6 is provided with a liquid level meter. Be equipped with between residue groove 6 and the sediment pump 13 and send out valve 11 and steam inlet III 12 outward, steam inlet I3, steam inlet II 5, steam inlet III 12 and steam inlet V10 link to each other with steam blower, the hole connection on residue pipeline and the 14 top manhole covers of tar storage tank that slag removal system passes through and links to each other with sediment pump 13, in the residue pipeline stretches into tar storage tank 14 through the hole on the manhole cover, stretch into the residue pipeline in the tar storage tank 14 and set up certain inclination and ensure residue and tar ability intensive mixing. Two parallel slag discharge systems are arranged in the crude benzene slag discharge device, each independent slag discharge system is connected with the regenerator 2 and the tar storage tank 14 through a pipeline, and two parallel slag discharge pumps 13 are arranged in each slag discharge system.
The operation process of the crude benzene deslagging device is as follows: the method comprises the steps of enabling oil gas blown out by a regenerator 2 to enter a debenzolization tower 1 as a heat source, enabling residual high molecular substances of circulating wash oil to be discharged as residues, opening a slag discharging valve 4 between the regenerator 2 and one of residue tanks 6, starting a heater 8 in the residue tank 6, blowing the residues to the residue tank 6 by using superheated steam, opening a corresponding delivery valve 11 and a corresponding slag discharging pump 13 after the liquid level exists in the residue tank 6, blowing the superheated steam, and delivering the residues to a tar storage tank 14. The process is a deslagging operation for starting one deslagging system, and two parallel deslagging pumps in the deslagging system can be simultaneously started.
Example 2:
as shown in figure 1, the crude benzene slag discharging device comprises a regenerator 2, a slag discharging system, a tar storage tank 14 and a steam blower, wherein the regenerator 2 is connected with the lower part of a debenzolization tower 1 through a pipeline. The slag discharging system comprises a residue groove 6 and a slag discharging pump 13 communicated with the residue groove 6, the residue groove 6 in the slag discharging system is connected with the regenerator 2, a slag discharging valve 4 is arranged on a slag discharging pipeline, and a steam inlet I3 and a steam inlet II 5 are arranged on two sides of the slag discharging valve 4. The upper part of the residue tank 6 is provided with a tail gas discharge port, the tail gas discharge port is connected with a tail gas absorption system 15 through an exhaust pipe 7, the lower part of the residue tank 6 is provided with a coil type heater 8, the heater 8 is provided with a steam inlet V10 and a steam outlet IV 9, and the residue tank 6 is provided with a liquid level meter. Be equipped with between residue groove 6 and the sediment pump 13 and send out valve 11 and steam inlet III 12 outward, steam inlet I3, steam inlet II 5, steam inlet III 12 and steam inlet V10 link to each other with steam blower, the hole connection on residue pipeline and the 14 top manhole covers of tar storage tank that slag removal system passes through and links to each other with sediment pump 13, in the residue pipeline stretches into tar storage tank 14 through the hole on the manhole cover, stretch into the residue pipeline in the tar storage tank 14 and set up certain inclination and ensure residue and tar ability intensive mixing. The crude benzene slag discharging device is provided with two slag discharging systems which are connected in parallel, each independent slag discharging system is connected with the regenerator 2 and the tar storage tank 14 through pipelines, and each slag discharging system is provided with two slag discharging pumps 13 which are connected in parallel.
The operation process of the crude benzene deslagging device is as follows: the oil gas blown out by the regenerator 2 enters the debenzolization tower 1 as a heat source, residual high molecular substances of the circulating wash oil are discharged as residues, meanwhile, a residue discharge valve 4 between the regenerator 2 and the two residue tanks 6 is opened, a heater 8 in the residue tanks 6 is started, the residues are swept to the two residue tanks 6 by superheated steam, two outward delivery valves 11 and two residue discharge pumps 13 are opened after liquid levels exist in the two residue tanks 6, the superheated steam is swept, and the residues are delivered to a tar storage tank 14. In the process, the deslagging operation of two deslagging systems is started simultaneously, and two parallel residue pumps in each individual deslagging system can also be started simultaneously.
Claims (10)
1. A crude benzene slag discharging device comprises a regenerator, a slag discharging system, a tar storage tank and a steam blower, wherein the regenerator is connected with a debenzolization tower; the system is characterized in that the slag discharging system comprises a residue tank and a slag discharging pump, the residue tank is connected with the regenerator, and the residue tank is provided with a tail gas discharging port and a heater; the slag discharging system is connected with the tar storage tank through a slag discharging pump; the crude benzene slag discharging device comprises at least two slag discharging systems.
2. The crude benzene slag discharge apparatus according to claim 1, wherein the crude benzene slag discharge apparatus is provided with two slag discharge systems connected in parallel.
3. The crude benzene extraction apparatus of claim 2 wherein the extraction system is capable of being used alone.
4. The crude benzene slag discharge device according to claim 1 or 3, wherein two parallel slag discharge pumps are provided in the slag discharge system.
5. The crude benzene residue discharge device according to claim 4, wherein the residue discharge pump can be used alone.
6. The crude benzene deslagging apparatus of claim 5, wherein the tail gas discharge port is connected to a tail gas absorption system through a vent pipe.
7. The crude benzene deslagging device according to claim 1, 3, 5 or 6, wherein a steam inlet I and a steam inlet II are arranged between the residue tank and the regenerator, a steam inlet III is arranged between the residue tank and the deslagging pump, and the steam inlet I, the steam inlet II and the steam inlet III are connected with the steam blower.
8. The crude benzene slag discharging device according to claim 1, 3, 5 or 6, wherein the residue tank is provided with a liquid level meter, the heater is a heating coil, and the heating coil is provided with a steam inlet V and a steam outlet IV.
9. The crude benzene residue discharge apparatus as claimed in claim 1, 3, 5 or 6, wherein a hole is provided on a manhole cover at the top of the tar storage tank, the residue discharge system is connected to the hole through a residue pipe, and the residue pipe extends into the tar storage tank through the hole.
10. The crude benzene residue discharge apparatus according to claim 9, wherein the residue pipe extending into the tar tank has an inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622986.3U CN213232140U (en) | 2020-08-06 | 2020-08-06 | Row sediment device is arranged to crude benzol |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622986.3U CN213232140U (en) | 2020-08-06 | 2020-08-06 | Row sediment device is arranged to crude benzol |
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| CN213232140U true CN213232140U (en) | 2021-05-18 |
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| CN202021622986.3U Active CN213232140U (en) | 2020-08-06 | 2020-08-06 | Row sediment device is arranged to crude benzol |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797138A (en) * | 2022-05-25 | 2022-07-29 | 广东韶钢松山股份有限公司 | Conveying method and device for residual oil |
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2020
- 2020-08-06 CN CN202021622986.3U patent/CN213232140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797138A (en) * | 2022-05-25 | 2022-07-29 | 广东韶钢松山股份有限公司 | Conveying method and device for residual oil |
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