CN215592999U

CN215592999U - Device for deep desulfurization of naphtha

Info

Publication number: CN215592999U
Application number: CN202121618059.9U
Authority: CN
Inventors: 袁海锋
Original assignee: Dongying Wanghao Chemical Co ltd
Current assignee: Dongying Wanghao Chemical Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-21
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a device for deep desulfurization of naphtha, which comprises: the first mixer acts on mixed naphtha and alkaline washing liquid, one side of the first mixer is connected with a naphtha alkaline washing tank, the naphtha alkaline washing tank acts on alkaline washing of the naphtha, an alkaline washing circulating pump is installed on the naphtha alkaline washing tank, and alkaline washing liquid conveying pipes are connected among the first mixer, the naphtha alkaline washing tank and the alkaline washing circulating pump respectively. This desulfurized device of naphtha degree of depth adopts filter equipment, filter equipment can filter the grit that contains in the naphtha, thereby can carry out the preliminary treatment work to naphtha, adopt the detector, can volatile gas when the naphtha leaks, the detector then can monitor this gas this moment, if for combustible gas then can carry out the police dispatch newspaper, adopt the fire control shower nozzle, when the operation jar body of naphtha produces high temperature, high temperature alarm can detect and prevent the shower head through disappearing and spray the cooling to it, thereby reach safety protection's function.

Description

Device for deep desulfurization of naphtha

Technical Field

The utility model relates to the technical field of naphtha desulfurization, in particular to a device for deep desulfurization of naphtha.

Background

Naphtha is one of petroleum products, in order to remove sulfide in naphtha, the industry adopts a pretreatment device, a conventional pretreatment process system, a desulfurization protector and a molecular sieve dryer process system are additionally arranged, and the existing deep naphtha desulfurization device has certain defects when in use, such as the prior art;

an apparatus for deep desulfurization of naphtha as disclosed in publication No. CN 209508159U. The technical scheme is as follows: the outlet of the alkali washing circulating pump is connected to a naphtha alkali washing tank, demineralized water is connected to the inlet of the water washing circulating pump through a demineralized water pipeline, the outlet of the water washing circulating pump is connected to a naphtha water washing tank through a pipeline, and naphtha is connected to the naphtha alkali washing tank through a naphtha pipeline. The utility model has the beneficial effects that: the utility model solves the problem that the gas phase component contains partial hydrogen sulfide (20-50 ppm) due to incomplete stripping of naphtha steam, so that naphtha copper sheets are not corroded properly, and the utility model is provided with a naphtha alkali washing tank and a naphtha water washing tank to realize deep desulfurization of naphtha;

this prior art solution also presents the following problems when in use:

1. it is inconvenient to filter the sand and stone in the naphtha;

2. the function of leakage warning is not available in the desulfurization process;

3. petroleum is inflammable and does not have the function of fire safety protection in the desulfurization process;

improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for deep desulfurization of naphtha, which aims to solve the problems that sand and stones in naphtha are inconvenient to filter in the current market, and the device does not have the function of leakage warning in the desulfurization process and the function of fire safety protection in the desulfurization process.

In order to achieve the purpose, the utility model provides the following technical scheme: an apparatus for deep desulfurization of naphtha, comprising:

the device comprises a first mixer, a naphtha alkaline washing tank, a naphtha alkaline washing circulating pump, alkaline washing liquid conveying pipes and an alkaline washing liquid injection pipe, wherein the first mixer acts on mixed naphtha and alkaline washing liquid, one side of the first mixer is connected with the naphtha alkaline washing tank, the naphtha alkaline washing tank acts on alkaline washing of the naphtha, the alkaline washing circulating pump is installed on the naphtha alkaline washing tank, and alkaline washing liquid conveying pipes are respectively connected among the first mixer, the naphtha alkaline washing tank and the alkaline washing circulating pump and act on alkaline washing liquid injection;

the second mixer is connected to one side of the naphtha alkaline washing tank and is used for mixing desalted water and naphtha, one side of the second mixer is connected with a naphtha washing tank, the naphtha washing tank is used for washing naphtha, a washing circulating pump is mounted on the naphtha, and desalted water conveying pipes are respectively connected among the second mixer, the naphtha washing tank and the washing circulating pump and are used for injecting desalted water;

the filtering device is connected to the other side of the first mixer, acts on the naphtha pretreatment, and is a 304 stainless steel bag filter;

and the oil pipeline is respectively connected among the filtering device, the first mixer, the naphtha alkali washing tank, the second mixer and the naphtha water washing tank, and acts on conveying naphtha.

Preferably, the filtering device further comprises:

a filter basket mounted inside the filter device;

the filter cloth bag is connected inside the filter basket, naphtha flows in from the inlet, can intercept grit after the filter cloth bag filters to can make other impurity adsorb in the filter cloth bag.

Preferably, install the detector on the oil pipeline, and the detector acts on the naphtha that detects the leakage to the model of detector is the portable gaseous detector of HRP-BJ, and the detector can detect the gas that volatile naphtha produced, and the detector can transmit the result that detects for the controller when this gas is judged as combustible gas, install the solenoid valve on the oil pipeline, and the solenoid valve acts on control oil pipeline.

Preferably, naphtha washing jar one side is provided with the water tank, and the water tank still including:

the controller is arranged on the water tank, is a control center, acts on the whole control equipment, and has the model of HST-11;

the booster pump is arranged on the side surface of the water tank and acts on water supply;

the fire-fighting pipeline is connected on the water tank, the booster pump is started, and the booster pump can control the water source in the water tank to be conveyed through the fire-fighting pipeline.

Preferably, the fire fighting pipeline further comprises:

the alarm is arranged on the fire fighting pipeline and can give out a buzzing alarm sound, and the alarm is in a BBJ series;

the high-temperature alarm is arranged on the fire fighting pipeline and acts on smoke detection, and the high-temperature alarm is of an HAWG-D-2 type;

the fire-fighting nozzle is arranged on the fire-fighting pipeline and acts on water spraying, the fire-fighting nozzle is T-ZSTZ15-68 degrees, and the fire-fighting nozzle can spray the equipment, so that the equipment can be cooled or put out a fire.

Preferably, detector, controller, fire control pipeline, siren, high temperature alarm ware, fire control shower nozzle and solenoid valve are the flame proof type, and need the outage to restart when equipment resets, are convenient for prevent that high temperature or meet detector, controller, fire control pipeline, siren, high temperature alarm ware, fire control shower nozzle and solenoid valve explosion from hurting people under the condition of conflagration.

Compared with the prior art, the utility model has the beneficial effects that: this desulfurized device of naphtha degree of depth adopts filter equipment, filter equipment can filter the grit that contains in the naphtha, thereby can carry out the preliminary treatment work to naphtha, adopt the detector, can volatile gas when the naphtha leaks, the detector then can monitor this gas this moment, if for combustible gas then can carry out the police dispatch newspaper, adopt the fire control shower nozzle, when the operation jar body of naphtha produces high temperature, high temperature alarm can detect and prevent the shower head through disappearing and spray the cooling to it, thereby reach safety protection's function.

1. Be provided with filter equipment, filter equipment is inside can support the filtration sack by the metal filter basket, and when the naphtha oil flowed into filter equipment inside, can carry out the intercepting with the grit after the filter cloth bag filters to can make other impurity absorption in the filter cloth bag, be convenient for filter naphtha, carry out the preliminary treatment.

2. Be provided with the detector, install the detector on oil pipeline, then can volatilize when the inside naphtha of oil pipeline leaks, the detector then can detect volatilizing gas this moment, and the detector can give the controller with the result transmission that detects when this gas is judged as inflammable gas, and the controller can control the siren and send the buzzer siren to can warn the staff, be convenient for detect.

3. Be provided with high temperature alarm and fire control shower nozzle, when high temperature reached certain numerical value or produced smog, high temperature alarm then can send out the police dispatch newspaper automatically, can react the result that detects simultaneously for the controller, the booster pump can be started to the simultaneous controller, the booster pump can control the water source in the water tank and carry through the fire control pipeline, the fire control shower nozzle is carried with the water source to the fire control pipeline, the fire control shower nozzle can spray equipment, thereby can cool down or put out a fire to equipment, be convenient for carry out safety protection among the desulfurization process.

Drawings

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

FIG. 2 is a schematic view of a desulfurization process of the present invention;

FIG. 3 is a schematic control flow chart of the present invention.

In the figure: 1. a first mixer; 2. a naphtha alkali washing tank; 3. an alkaline washing circulating pump; 4. a second mixer; 5. a naphtha water washing tank; 6. washing the circulating pump with water; 7. a filtration device; 8. an oil pipeline; 9. a filter basket; 10. a filter cloth bag; 11. a detector; 12. a water tank; 13. a controller; 14. a booster pump; 15. a fire conduit; 16. an alarm; 17. a high temperature alarm; 18. a fire sprinkler; 19. an electromagnetic valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an apparatus for deep desulfurization of naphtha, comprising: the first mixer 1 acts on mixed naphtha and alkaline wash liquid, one side of the first mixer 1 is connected with a naphtha alkaline wash tank 2, and the naphtha alkaline washing tank 2 acts on alkaline washing of naphtha, an alkaline washing circulating pump 3 is arranged on the naphtha alkaline washing tank 2, and an alkaline washing liquid conveying pipe is respectively connected among the first mixer 1, the naphtha alkaline washing tank 2 and the alkaline washing circulating pump 3 and is used for injecting alkaline washing liquid, the second mixer 4 is connected on one side of the naphtha alkaline washing tank 2, the second mixer 4 is used for mixing desalted water and naphtha, one side of the second mixer 4 is connected with a naphtha washing tank 5, and a naphtha washing tank 5 is used for washing naphtha, a washing circulating pump 6 is arranged on the naphtha, and a demineralized water conveying pipe is respectively connected among the second mixer 4, the naphtha water washing tank 5 and the water washing circulating pump 6 and is used for injecting demineralized water.

Filter equipment 7 connects the opposite side at first blender 1, and filter equipment 7 acts on to naphtha preliminary treatment to filter equipment 7 is 304 stainless steel bag filters, and oil pipeline 8 is connected respectively between filter equipment 7, first blender 1, naphtha alkali wash tank 2, second blender 4 and naphtha water wash tank 5, and oil pipeline 8 acts on and carries the naphtha. The filter device 7 further comprises: and the filtering basket 9 is arranged inside the filtering device 7, and the filtering cloth bag 10 is connected inside the filtering basket 9.

Filter equipment 7 is inside to be strained basket 9 by the metal and can support filtering cloth bag 10, and when the naphtha stream entered filter equipment 7 inside, can carry out the intercepting with the grit after filtering cloth bag 10 filters to can make other impurity absorption in filtering cloth bag 10, be convenient for filter naphtha, carry out preliminary treatment

The oil pipeline 8 is provided with a detector 11, the detector 11 acts on the leaked naphtha, the type of the detector 11 is an HRP-BJ portable gas detector, the oil pipeline 8 is provided with an electromagnetic valve 19, and the electromagnetic valve 19 acts on the control oil pipeline 8. A water tank 12 is arranged on one side of the naphtha washing tank 5, and the water tank 12 further comprises: the controller 13 is installed on the water tank 12, the controller 13 is a control center and is used for controlling the whole equipment, the model of the controller 13 is HST-11, the booster pump 14 is installed on the side face of the water tank 12, the booster pump 14 is used for supplying water, and the fire fighting pipeline 15 is connected to the water tank 12.

Install detector 11 on oil pipeline 8, then can volatilize when the inside naphtha of oil pipeline 8 leaks, detector 11 then can detect volatilizing gas this moment, and detector 11 can give controller 13 with the result transmission that detects when this gas is judged inflammable gas, and controller 13 can control siren 16 and send the warning of buzzing to can warn the staff, be convenient for detect.

Fire pipeline 15 is still including: an alarm 16 installed on the fire fighting pipeline 15, and the alarm 16 may give a buzzer alarm, and the alarm 16 is of BBJ series, a high temperature alarm 17 installed on the fire fighting pipeline 15, and the high temperature alarm 17 acts to detect smoke, and the high temperature alarm 17 is of HAWG-D-2 type, a fire sprinkler 18 installed on the fire fighting pipeline 15, and the fire sprinkler 18 acts to sprinkle water, and the fire sprinkler 18 is of T-ZSTZ15-68 type. The detector 11, the controller 13, the fire-fighting pipeline 15, the alarm 16, the high-temperature alarm 17, the fire-fighting nozzle 18 and the electromagnetic valve 19 are all explosion-proof, and the equipment needs to be powered off and restarted when being reset.

When high temperature reaches certain numerical value or produces smog, high temperature alarm 17 then can automatic alarm, can respond the result that detects simultaneously for controller 13, simultaneous controller 13 can start booster pump 14, the booster pump 14 can control the water source in the water tank 12 and carry through fire control pipeline 15, fire control pipeline 15 carries fire control shower nozzle 18 with the water source, fire control shower nozzle 18 can spray equipment, thereby can cool down or put out a fire to equipment, be convenient for carry out safety protection among the desulfurization process.

The working principle is as follows: as shown in fig. 1 to 3, in the deep desulfurization apparatus using naphtha, firstly, naphtha flows into a filter 7 through an oil pipeline 8, a metal filter basket 9 can support a filter cloth bag 10 inside the filter 7, sandstone is intercepted after being filtered by the filter cloth bag 10, and other impurities are adsorbed in the filter cloth bag 10, naphtha filtered by the filter cloth bag 10 flows out from an outlet, wherein the filter cloth bag 10 in the filter 7 can be repeatedly replaced to filter naphtha for pretreatment, a detector 11 is installed on the oil pipeline 8, naphtha inside the oil pipeline 8 volatilizes when leaking, at this time, the detector 11 detects volatilized gas, when the gas is determined to be inflammable gas, the detector 11 transmits the detected result to a controller 13, the controller 13 controls an alarm 16 to give a buzzer alarm, therefore, the working personnel can be warned, meanwhile, the controller 13 can send an instruction to the electromagnetic valve 19, the electromagnetic valve 19 can automatically close the valve after receiving the instruction, naphtha can not flow any more, the detection is convenient, the equipment generates high temperature in the desulfurization process, the high temperature alarm 17 can detect the temperature, when the high temperature reaches a certain value or smoke is generated, the high temperature alarm 17 automatically gives an alarm, and the detected result is reflected to the controller 13, and the controller 13 controls the electromagnetic valve 19 to be closed, meanwhile, the controller 13 starts the booster pump 14, the booster pump 14 controls the water source in the water tank 12 to be conveyed through the fire-fighting pipeline 15, the fire-fighting pipeline 15 conveys the water source to the fire-fighting nozzle 18, the fire-fighting nozzle 18 sprays the equipment, so as to cool or extinguish fire of the equipment and facilitate safety protection in the desulfurization process, and the content which is not described in detail in the description belongs to the prior art which is known by the professional in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. An apparatus for deep desulfurization of naphtha, comprising:

the device comprises a first mixer (1) and a second mixer (2), wherein the first mixer (1) acts on mixed naphtha and alkaline washing liquid, one side of the first mixer (1) is connected with the naphtha alkaline washing tank (2), the naphtha alkaline washing tank (2) acts on alkaline washing of the naphtha, an alkaline washing circulating pump (3) is installed on the naphtha alkaline washing tank (2), and alkaline washing liquid conveying pipes are respectively connected among the first mixer (1), the naphtha alkaline washing tank (2) and the alkaline washing circulating pump (3) and act on injection of alkaline washing liquid;

the second mixer (4) is connected to one side of the naphtha alkaline washing tank (2), the second mixer (4) acts on mixing desalted water and naphtha, one side of the second mixer (4) is connected with a naphtha washing tank (5), the naphtha washing tank (5) acts on washing the naphtha, a washing circulating pump (6) is mounted on the naphtha, and desalted water conveying pipes are respectively connected among the second mixer (4), the naphtha washing tank (5) and the washing circulating pump (6) and act on injecting desalted water;

a filtering device (7) connected to the other side of the first mixer (1), wherein the filtering device (7) is used for pretreating naphtha, and the filtering device (7) is a 304 stainless steel bag filter;

and the oil pipeline (8) is respectively connected among the filtering device (7), the first mixer (1), the naphtha alkaline washing tank (2), the second mixer (4) and the naphtha washing tank (5), and the oil pipeline (8) acts on conveying naphtha.

2. The device for deep desulfurization of naphtha as set forth in claim 1, wherein: the filtering device (7) further comprises:

a filtering basket (9) mounted inside the filtering device (7);

and the filtering cloth bag (10) is connected inside the filtering basket (9).

3. The device for deep desulfurization of naphtha as set forth in claim 1, wherein: install detector (11) on oil pipeline (8), and detector (11) act on and detect the naphtha of leaking to the model of detector (11) is the portable gaseous detector of HRP-BJ, install solenoid valve (19) on oil pipeline (8), and solenoid valve (19) act on control oil pipeline (8).

4. The device for deep desulfurization of naphtha as set forth in claim 1, wherein: naphtha washing jar (5) one side is provided with water tank (12), and water tank (12) still including:

the controller (13) is installed on the water tank (12), the controller (13) is a control center and is used for controlling the whole equipment, and the model of the controller (13) is HST-11;

the booster pump (14) is arranged on the side surface of the water tank (12), and the booster pump (14) acts on water supply;

a fire-fighting pipe (15) connected to the water tank (12).

5. The device for deep desulfurization of naphtha as set forth in claim 4, wherein: the fire fighting pipeline (15) further comprises:

an alarm (16) mounted on the fire fighting pipeline (15), wherein the alarm (16) can give out a buzzer alarm sound, and the alarm (16) is in BBJ series;

the high-temperature alarm (17) is arranged on the fire fighting pipeline (15), the high-temperature alarm (17) is used for detecting smoke, and the high-temperature alarm (17) is of an HAWG-D-2 type;

the fire fighting nozzle (18) is installed on the fire fighting pipeline (15), the fire fighting nozzle (18) is used for sprinkling water, and the fire fighting nozzle (18) is of a T-ZSTZ15-68 degree type.

6. The device for deep desulfurization of naphtha as set forth in claim 3, wherein: the detector (11), the controller (13), the fire pipeline (15), the alarm (16), the high-temperature alarm (17), the fire nozzle (18) and the electromagnetic valve (19) are all explosion-proof, and the equipment needs to be powered off and restarted when being reset.