CN212152205U - A slag discharge system for crude benzol is retrieved - Google Patents
A slag discharge system for crude benzol is retrieved Download PDFInfo
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- CN212152205U CN212152205U CN202020360755.3U CN202020360755U CN212152205U CN 212152205 U CN212152205 U CN 212152205U CN 202020360755 U CN202020360755 U CN 202020360755U CN 212152205 U CN212152205 U CN 212152205U
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Abstract
The utility model discloses a slag discharge system for crude benzol is retrieved, include: the regenerator is connected with the crude benzene recovery unit and is used for providing rich oil for the crude benzene recovery unit so as to realize the recovery of crude benzene; the residue treatment unit is used for treating residues discharged from the bottom of the regenerator and is a sealing unit; a residue inlet is arranged above the residue treatment unit of the sealing unit, the regenerator is arranged above the residue treatment unit, and the bottom of the regenerator is communicated with the residue inlet through a sealing pipeline; the incineration unit is connected with the residue treatment unit and is used for incinerating the waste gas in the residue treatment unit; the residue treatment unit receives the residue discharged by the regenerator, dissolves the residue through the dissolving unit and then discharges the dissolved residue, and the waste gas in the residue unit is discharged to the incineration unit and then discharged after incineration treatment. The utility model discloses well waste residue and waste gas obtain abundant processing.
Description
Technical Field
The utility model belongs to the technical field of coke oven gas waste residue in crude benzol recovery separation, a slag discharge system for crude benzol recovery is related to.
Background
The benzene in the coke oven gas is recovered by using the circulating wash oil in the chemical product workshop of a coke-oven plant, the circulating wash oil is polluted by gas dust and harmful substances in the benzene washing and benzene removing processes, polymerization reaction is generated in the repeated heating and cooling processes, the absorption effect is influenced, and the blockage of a packed tower can be caused, so that a part of rich oil residues are led out to enter a residue groove by gravity slag discharge at the bottom of a rich oil storage tank before the rich oil enters a benzene removing tower, high-boiling-point polymerized residues are discharged, and the circulating wash oil is updated, so that the quality of the wash oil is ensured.
In the prior art, the oil washing polymerization residues of the original equipment are discharged into a residue box, and are periodically and manually cleaned and then pulled away by a vehicle, so that the escaped gas influences the field environment and the operation is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a slag discharging system for crude benzol is retrieved, it passes through residue processing unit, with the rich oil sediment direct processing in the regenerator, recycle passes through incineration disposal with residue processing unit's gas simultaneously, has reduced residue treatment cost, environmental protection.
In order to realize the technical effect, the utility model discloses a following technical scheme realizes:
a slagging system for crude benzene recovery, comprising:
the regenerator is connected with the crude benzene recovery unit and is used for providing rich oil for the crude benzene recovery unit so as to realize the recovery of crude benzene;
the residue treatment unit is used for treating residues discharged from the bottom of the regenerator and is a sealing unit;
a residue inlet is arranged above the residue treatment unit of the sealing unit, the regenerator is arranged above the residue treatment unit, and the bottom of the regenerator is communicated with the residue inlet through a sealing pipeline;
the incineration unit is connected with the residue treatment unit and is used for incinerating the waste gas in the residue treatment unit;
the residue processing unit receives the residue discharged by the regenerator, dissolves the residue through the dissolving unit and then discharges the dissolved residue, and the waste gas in the residue processing unit is discharged to the incineration unit and then discharged after incineration treatment.
In the prior art, the washing oil polymerization residue of the equipment is usually discharged into a residue box, and is periodically and manually cleaned and then pulled away by a vehicle, so that the field environment is influenced by the escaping gas, and the operation is troublesome; in the technical scheme, the sealed residue processing unit avoids the problems that gas influences the environment and the cost of manual periodic processing is high, reduces the residue processing cost and solves the problem of the traceability of residue.
Among this technical scheme, burn the unit and meet with sealed residue processing unit, form sealed space, improved gas combustion's efficiency, ensured organic waste gas's effective processing, avoided air pollution and the indiscriminate problem of arranging of waste gas that causes.
In this technical scheme, the waste residue in the regenerator obtains discharging after through residue processing unit handles, can be according to the production demand, and the pipeline is connected, and the residue of handling after will discharging can recycle once more. Compared with the prior art, the problem of poor labor environment caused by residues is solved.
As a further improvement of the utility model, the device also comprises a guiding unit, wherein the guiding unit is used for guiding the waste gas in the residue treatment unit to enter the incineration unit.
In the technical scheme, in order to collect the dissipated waste gas and realize centralized treatment, a guide unit is added to guide the waste gas to be centralized and improve the efficiency.
As a further improvement of the present invention, the guiding unit is a fan, and the guiding unit is disposed at an upper position of the residue processing unit.
In the technical scheme, the common explosion-proof fan in conventional production is adopted, the purchase and the installation are convenient, the power of the fan is selectable, the influence on the residue at the bottom is avoided, and only the gas is concentrated.
As a further improvement of the utility model, the residue treatment unit is a sealed tank body.
In the technical scheme, the tank body is selected and easily obtained in a coking plant, and meanwhile, the structure of the tank body is easily connected and matched with other units; moreover, the tank body has good sealing performance; finally, the tank body can be used as various structures such as a reaction kettle and the like, and can be assembled with a vehicle body and the like, so that the application range is wider.
As a further improvement of the utility model, the dissolving unit is arranged at the middle lower part of the sealed tank body.
In the technical scheme, the waste gas is generally above, and the residue is required to fall into the tank body through gravity, so that the waste gas is above, the residue continuously falls, and the residue is dissolved and reused through a similar compatibility principle of the dissolving units at the middle lower part.
As a further improvement of the utility model, the utility model also comprises a heating unit, the heating unit is arranged at the bottom of the sealing tank body and is arranged below the dissolving unit.
In the technical scheme, in order to accelerate the dissolution efficiency, the heating is adopted for dissolution.
As a further improvement of the utility model, the heating unit is a steam heater.
In the technical scheme, the steam heater is adopted, so that new substances cannot be brought to the dissolved residues, and the dissolving speed and the dissolving efficiency can be accelerated.
As a further improvement of the utility model, the device also comprises a tar intermediate tank, wherein the inlet and the outlet of the tar intermediate tank are respectively connected with the outlet and the inlet of the residue treatment unit, so that the tar intermediate tank and the residue treatment unit form a circulating system.
In the technical scheme, tar in a tar intermediate tank is used as a dissolving unit to dissolve residues; in the prior art, before rich oil enters a regeneration tower, residue after high-boiling-point polymerization is discharged, and circulating wash oil is updated, so that the quality of the wash oil is ensured. However, the high boiling point residue forms asphalt-like sticky polymer, which seriously affects the use, and tar is similarly compatible with the residue, so that the polymer residue can be dissolved by utilizing the similar compatibility principle.
As a further improvement of the utility model, the device also comprises a delivery pump which is arranged between the outlet of the residue treatment unit and the inlet of the tar intermediate tank.
In the technical scheme, the conveying pump is added, so that the conveying of the high-quality tar dissolved with the polymer is accelerated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a residual slag removal system for crude benzene recovery according to the present invention;
in the figure:
1. a regenerator; 2. a crude benzene recovery unit; 3. a residue processing unit; 4. an incineration unit; 5. A dissolving unit; 6. a guide unit; 7. a heating unit; 8. a tar intermediate tank; 9. a delivery pump.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Example 1
The present embodiment mainly describes the main structure of the slag discharging system.
Referring to the drawings, a slag removal system for crude benzene recovery comprises:
the regenerator is connected with the crude benzene recovery unit and is used for providing rich oil for the crude benzene recovery unit so as to realize the recovery of crude benzene;
the residue treatment unit is used for treating residues discharged from the bottom of the regenerator and is a sealing unit;
a residue inlet is arranged above the residue treatment unit of the sealing unit, the regenerator is arranged above the residue treatment unit, and the bottom of the regenerator is communicated with the residue inlet through a sealing pipeline;
the incineration unit is connected with the residue treatment unit and is used for incinerating the waste gas discharged by the residue treatment unit;
the residue processing unit receives the residue discharged by the regenerator, dissolves the residue through the dissolving unit and then discharges the dissolved residue, and the waste gas in the residue processing unit is discharged to the incineration unit and then discharged after incineration treatment.
In the prior art, the washing oil polymerization residue of the equipment is usually discharged into a residue box, and is periodically and manually cleaned and then pulled away by a vehicle, so that the field environment is influenced by the escaping gas, and the operation is troublesome; in the technical scheme, the sealed residue processing unit avoids the problems that gas influences the environment and the cost of manual periodic processing is high, reduces the residue processing cost and solves the problem of the traceability of residue.
The utility model discloses in, burn the unit and meet with sealed residue processing unit, form confined space, improved gas combustion's efficiency, ensured organic waste gas's effective processing, avoided air pollution and the indiscriminate problem of arranging of waste gas that causes.
The utility model discloses in, the waste residue in the regenerator passes through the residue processing unit and handles the back, obtains discharging, can be according to the production demand, and connecting line can recycle the residue of the processing after discharging once more. Compared with the prior art, the problem of poor labor environment caused by residues is solved.
The benzene in the coke oven gas is recovered by using the circulating wash oil in the chemical product workshop of a coke-oven plant, the circulating wash oil is polluted by gas dust and harmful substances in the benzene washing and benzene removing processes, polymerization reaction is generated in the repeated heating and cooling processes, the absorption effect is influenced, and the blockage of a packed tower can be caused, so that part of rich oil residues are led out to enter a residue groove by gravity slag discharge at the bottom of a regenerator before the rich oil enters a benzene removing tower, high-boiling-point polymerized residues are discharged, and the circulating wash oil is updated, thereby ensuring the quality of the wash oil. In the prior art, if the residues are directly discharged and directly placed in the residue tank body and manually cleaned at regular intervals, the emitted gas smell influences the air quality, and a large amount of manpower and material resources are needed for residue treatment; adopt the technical scheme of the utility model, utilize similar compatible principle, with the residue pass through the dissolving unit at the residue groove and dissolve the back and send to the tar groove for chemical substance can utilize once more, makes the residue can make full recycle, and chemical organic gas gets to burn, has improved the air quality.
Example 2
Referring to fig. 1, a slag discharge system for crude benzene recovery in the present embodiment includes:
the regenerator 1 is connected with the crude benzene recovery unit 2 and is used for providing rich oil for the crude benzene recovery unit to realize the recovery of crude benzene; in this embodiment, the crude benzene recovery unit 2 can be a regenerator column, so as to recycle crude benzene.
A residue treatment unit 3, wherein the residue treatment unit 3 is used for treating the residue discharged from the bottom of the regenerator 1, and the residue treatment unit 3 is a sealing unit;
a residue inlet is arranged above the residue treatment unit of the sealing unit, the regenerator 1 is arranged above the residue treatment unit, and the bottom of the regenerator 1 is communicated with the residue inlet through a sealing pipeline;
the incineration unit 4 is connected with the residue treatment unit 3, and is used for incinerating the waste gas in the residue treatment unit 3;
the residue treatment unit 3 receives the residue discharged by the regenerator, dissolves the residue through the dissolution unit 5 and then discharges the dissolved residue, and the waste gas in the residue treatment unit is discharged to the incineration unit and then discharged after incineration treatment.
In order to accelerate the exhaust gas treatment, a guiding unit 6 is further included, said guiding unit 6 being adapted to guide the exhaust gas in the residue treatment unit 3 into the incineration unit 4.
The utility model discloses in, in order to collect the waste gas of dissipating, realize centralized processing, the event increases the guide unit to guide waste gas is concentrated, raises the efficiency.
Specifically, the guiding unit 6 is a fan, and the guiding unit 6 is disposed at an upper position of the residue processing unit 3.
In this embodiment, adopt the common explosion-proof fan of conventional production, the purchase and the installation of being convenient for, and fan power is optional, can not cause the influence to the residue of bottom, and only concentrate gas can.
In particular, the residue treatment unit 3 is a sealed tank.
In the technical scheme, the tank body is selected and easily obtained in a coking plant, and meanwhile, the structure of the tank body is easily connected and matched with other units; moreover, the tank body has good sealing performance; finally, the tank body can be used as various structures such as a reaction kettle and the like, and can be assembled with a vehicle body and the like, so that the application range is wider.
Further, the dissolving unit 5 is arranged at the middle lower position of the sealed tank body.
In this embodiment, since the gas is generally above, and the residue is required to fall into the tank body by gravity, the waste gas is above, and the residue continues to fall, and the residue is dissolved and reused by a similar compatibility principle of the dissolving units at the middle and lower parts.
Further, still include heating unit 7, heating unit 7 sets up in the sealed tank body bottom, and set up in dissolve unit 5 below.
In the technical scheme, in order to accelerate the dissolution efficiency, the heating is adopted for dissolution.
In particular, the heating unit 7 is a steam heater.
In this embodiment, adopt steam heater, can not bring new material to the residue after dissolving, and can accelerate dissolving speed and dissolution efficiency. In this embodiment, the steam heater is placed at the bottom of the tank structure, especially near the dissolving unit 5 to speed up the dissolving. But is provided at the bottom for the convenience of installation of the steam heater.
In this embodiment, the system further comprises a tar intermediate tank 8, wherein an inlet and an outlet of the tar intermediate tank are respectively connected with an outlet and an inlet of the residue processing unit 3, so that the tar intermediate tank 8 and the residue processing unit 3 form a circulating system.
In this embodiment, tar in the tar intermediate tank 8 is used as a dissolving unit to dissolve the residue; in the prior art, rich oil enters a regenerator for regeneration, high-boiling-point polymerized residues are discharged from the bottom of the regenerator, and circulating wash oil is updated, so that the quality of the wash oil is ensured. However, the high boiling point residue forms asphalt-like sticky polymer, which seriously affects the use, and tar is similarly compatible with the residue, so that the polymer residue can be dissolved by utilizing the similar compatibility principle.
In particular, the device also comprises a delivery pump 9, wherein the delivery pump 9 is arranged between the outlet of the residue processing unit 3 and the inlet of the tar intermediate tank 8.
In the technical scheme, the conveying pump 9 is added, so that the conveying of the high-quality tar dissolved with the polymer is accelerated.
In the actual production, the residue at the bottom of the rich oil storage tank (i.e. regenerator 1) before entering the debenzolization tower (i.e. crude benzene recovery unit 2) enters the sealed residue tank (i.e. residue treatment unit 3) by gravity, the dissipated gas of the residue tank is led to the tubular furnace for incineration (i.e. incineration unit 4) through the fan (i.e. guiding unit 6), the tar intermediate tank 8 of the chemical product condensation system is sent to the pipeline of the tar storage tank area and is connected with the residue tank (i.e. the tar intermediate tank 8 is connected with the residue treatment unit 3), part of the tar is periodically sent to the residue tank, a steam heater (i.e. heating unit 7) is arranged in the bottom of the residue tank, and the tar is led to the residue tank, then is dissolved and mixed in the polymerization slag of the wash oil, and is periodically sent to.
Through the technical scheme of the utility model, it adopts closed operation to make the organic waste gas of residue escape obtain burning effective treatment, and the washing oil residue dilutes and dissolves in the tar after, with storage tank in the middle of the pump delivery to tar, has not only reduced workman's intensity of labour and has improved operational environment, has still improved tar productivity and quality, has solved the residue and has gone to, has reduced the processing residue cost.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A slag discharge system for crude benzene recovery, comprising:
the regenerator is connected with the crude benzene recovery unit and is used for providing rich oil for the crude benzene recovery unit so as to realize the recovery of crude benzene;
the residue treatment unit is used for treating residues discharged from the bottom of the regenerator and is a sealing unit;
a residue inlet is arranged above the residue treatment unit of the sealing unit, the regenerator is arranged above the residue treatment unit, and the bottom of the regenerator is communicated with the residue inlet through a sealing pipeline;
the incineration unit is connected with the residue treatment unit and is used for incinerating the waste gas in the residue treatment unit;
the residue processing unit receives the residue discharged by the regenerator, dissolves the residue through the dissolving unit and then discharges the dissolved residue, and the waste gas in the residue processing unit is discharged to the incineration unit and then discharged after incineration treatment.
2. The residual slag removal system for crude benzene recovery according to claim 1, further comprising a guide unit for guiding the exhaust gas in the residue treatment unit into the incineration unit.
3. The residual discharging system for the crude benzene recovery as set forth in claim 2, wherein the guiding unit is a blower, and the guiding unit is disposed at an upper position of the residue processing unit.
4. The residual extraction system for crude benzene recovery according to claim 1, wherein the residue treatment unit is a sealed tank.
5. The residual discharge system for the recovery of crude benzene according to claim 4, wherein the dissolving unit is disposed at a lower position in the sealed tank.
6. The residual slag system for crude benzene recovery according to claim 5, further comprising a heating unit, wherein the heating unit is arranged at the bottom of the sealed tank body and below the dissolving unit.
7. The residual slag system for crude benzene recovery according to claim 6, wherein the heating unit is a steam heater.
8. The residual slag discharge system for crude benzene recovery according to claim 1, further comprising a tar intermediate tank, wherein an inlet and an outlet of the tar intermediate tank are connected with an outlet and an inlet of the residue processing unit, respectively, so that the tar intermediate tank and the residue processing unit form a circulation system.
9. The residual slag removal system for crude benzene recovery according to claim 8, further comprising a transfer pump disposed between the outlet of the residue treatment unit and the inlet of the tar intermediate tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020360755.3U CN212152205U (en) | 2020-03-20 | 2020-03-20 | A slag discharge system for crude benzol is retrieved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020360755.3U CN212152205U (en) | 2020-03-20 | 2020-03-20 | A slag discharge system for crude benzol is retrieved |
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| Publication Number | Publication Date |
|---|---|
| CN212152205U true CN212152205U (en) | 2020-12-15 |
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| CN202020360755.3U Active CN212152205U (en) | 2020-03-20 | 2020-03-20 | A slag discharge system for crude benzol is retrieved |
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- 2020-03-20 CN CN202020360755.3U patent/CN212152205U/en active Active
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