CN208395107U - The purification system of catalyst in catalytic cracked oil pulp - Google Patents
The purification system of catalyst in catalytic cracked oil pulp Download PDFInfo
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- CN208395107U CN208395107U CN201820422693.7U CN201820422693U CN208395107U CN 208395107 U CN208395107 U CN 208395107U CN 201820422693 U CN201820422693 U CN 201820422693U CN 208395107 U CN208395107 U CN 208395107U
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Abstract
The utility model relates to a kind of purification systems of catalyst in catalytic cracked oil pulp.The purification system includes precipitation apparatus, including blending tank and settling tank, blending tank is used to catalytic cracked oil pulp and sedimentation agent being mixed to get mixed liquor, and settling tank is connected to blending tank, and the mixed liquor that settling tank can convey blending tank carries out settlement treatment and obtains the first supernatant and sediment；Filter plant is connected to settling tank, and the sediment that filter plant can convey settling tank is filtered processing and obtains the second supernatant and filter residue；Press apparatus is connected to filter plant, blending tank, and the filter residue that press apparatus can convey filter plant carries out squeezing and handles to obtain residue and third supernatant, and third supernatant is delivered in blending tank and is mixed to get mixed liquor with sedimentation agent.The removal efficiency of the catalyst of above-mentioned purification system is higher and oil recovery rate is higher.
Description
Technical field
The utility model relates to a kind of purification systems of catalyst in catalytic cracked oil pulp.
Background technique
Catalytic cracked oil pulp (FCC) is a kind of oil refining by-product, is a kind of system because it contains a large amount of band short-side chain aromatic hydrocarbons
The quality raw materials of the chemical products such as standby carbon black, needle coke, carbon fiber, rubber softener, pitch and conduction oil, in petrochemical industry and
The fields such as new material are widely used.But contain the catalyst fines of 1000ppm~9000ppm, these catalyst pair in FCC
Equipment attrition is larger, greatlys restrict FCC as high value-added product.Therefore need to remove the catalyst fines in FCC
FCC can preferably be applied.The limitation of the design of the equipment of catalyst fines, causes to urge in FCC in existing removing FCC
The removal efficiency of agent is lower and FCC in oil recovery rate it is lower.
Utility model content
Based on this, it is necessary to provide a kind of catalyst removal efficiency is higher and the higher catalytic cracked oil pulp of oil recovery rate
The purification system of middle catalyst.
The purification system of catalyst in a kind of catalytic cracked oil pulp, comprising:
Precipitation apparatus, including blending tank and settling tank, the blending tank is for mixing catalytic cracked oil pulp with sedimentation agent
Mixed liquor is obtained, the settling tank is connected to the blending tank, and the settling tank can convey the blending tank described mixed
It closes liquid progress settlement treatment and obtains the first supernatant and sediment；
Filter plant is connected to the settling tank, the sedimentation that the filter plant can convey the settling tank
Object is filtered processing and obtains the second supernatant and filter residue；
Press apparatus is connected to the filter plant, the blending tank, and the press apparatus can set the filtering
The filter residue of standby conveying carries out squeezing and handles to obtain residue and third supernatant, and described in the third supernatant is delivered to
Mixed liquor is mixed to get with the sedimentation agent in blending tank.
Above-mentioned purification system includes precipitation apparatus, filter plant and press apparatus, can partially be removed by precipitation apparatus
Oil in catalytic cracked oil pulp simultaneously obtains sediment, to avoid a large amount of greasy dirt enters in filter plant and blocks filter plant,
Filter plant can further filter sediment, with remove compared with small particle catalyst, press apparatus can to filter residue into
Row squeezing obtains residue and third supernatant, further decreases the oil content in residue, and third supernatant is able to enter mixing
It mixes and purifies with sedimentation agent in tank, to improve the rate of recovery of oil, and then reduce the removing cost of catalyst.Above-mentioned catalytic cracking
The removal efficiency of the catalyst of the purification system of catalyst is higher in slurry oil and oil recovery rate is higher.
The precipitation apparatus further includes ultrasonic generator in one of the embodiments, the ultrasonic generator with it is described
Blending tank connection, the ultrasonic generator is used to provide ultrasonic wave to the blending tank, so that the catalytic cracked oil pulp and institute
Sedimentation agent is stated to be uniformly mixed.
The ultrasonic generator is probe type ultrasonic generator in one of the embodiments, the ultrasonic generator
Frequency is 25KHz~40KHz.
The ratio of height to diameter of the blending tank is 5:1~12:1 in one of the embodiments,.
The blending tank is equipped at intervals with catalytic cracked oil pulp inlet and sedimentation agent injection in one of the embodiments,
Mouthful, the catalytic cracked oil pulp inlet is intersected with the sedimentation agent inlet.
The settling tank is equipped with baffle in one of the embodiments, and the baffle is fixedly contained in the settling tank.
The filter plant includes filter and driver in one of the embodiments, and the filter sinks with described
Tank connection is dropped, and the sediment that the filter can convey the settling tank is filtered processing and obtains on described second
Clearly with the filter residue, the driver connect with the filter, and the driver can provide power to the filter.
The filter includes filter housing and filter core in one of the embodiments, and the filter housing opens up feed inlet, slags tap
Mouth, discharge port and cleaning materials entrance, the feed inlet, the slag notch interval are set to the side of filter housing, the discharge port and institute
The other side that cleaning materials entrance interval is set to the filter housing is stated, the filter core is contained in filter housing, and the filter core is positioned at described
Between feed inlet and the discharge port.
The filter plant is at least two in one of the embodiments, and at least two filter plant intervals are set
It sets, and at least two filter plants are connected to the settling tank, the press apparatus.
The squeezing system includes storage tank and squeezer in one of the embodiments, the storage tank and the mistake
Equipment connection is filtered, the storage tank is used to store the filter residue of the filter plant conveying, the squeezer and the storage
Tank, the blending tank are connected to, and the filter residue that the squeezer can convey the storage tank carries out squeezing and handles to obtain
Residue and third supernatant, and the third supernatant can be delivered in the blending tank and be mixed with the sedimentation agent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the purification system of catalyst in the catalytic cracked oil pulp of an embodiment；
Fig. 2 is the structural schematic diagram of the purification system of catalyst in catalytic cracked oil pulp shown in FIG. 1.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
As shown in Figure 1, the purification system 10 of catalyst includes precipitation apparatus in the catalytic cracked oil pulp of an embodiment
100, filter plant 200 and press apparatus 300.
Precipitation apparatus 100 mixes and settlement treatment for making catalytic cracked oil pulp with sedimentation agent.Precipitation apparatus 100 includes mixed
Close tank 110, ultrasonic generator 120 and settling tank 130.Blending tank 110 is for catalytic cracked oil pulp and sedimentation agent to be mixed to get
Mixture.Blending tank 110 includes tank body 111, blender 113, heater 115 and temperature inductor (not shown).
Tank body 111 is the main body of blending tank 110.The ratio of height to diameter of tank body 111 is 5:1~12:1.Ratio of height to diameter is 5:1~12:1
It can guarantee that catalytic cracked oil pulp has enough residence times in tank body 111, so that catalytic cracked oil pulp can be with sedimentation agent
It is uniformly mixed, and then gives full play to flocculation and the settlement action of sedimentation agent.Further, tank body 111 have opposite top with
Bottom.
Tank body 111 is equipped with slurry oil inlet 1110 and sedimentation agent inlet 1112.Catalytic cracked oil pulp is through slurry oil inlet
1110 enter in tank body 111, and sedimentation agent enters tank body 111 through sedimentation agent inlet 1112 and mixes with catalytic cracked oil pulp.Oil
It starches inlet 1110 and the interval of sedimentation agent inlet 1112 is set to the side of tank body 111, and slurry oil inlet 1110 and sedimentation agent
Inlet 1112 intersects.By intersecting slurry oil inlet 1110 with sedimentation agent inlet 1112, catalytic cracked oil pulp can be made
Similar liquid phase continuous phase percussion flow is formed with sedimentation agent, improves the mass-transfer efficiency between sample to be tested sample and sedimentation agent, is promoted
The mixing of catalytic cracked oil pulp and sedimentation agent.Preferably, slurry oil inlet 1110 intersect with sedimentation agent inlet 1112 in 90 °~
180 ° of angle settings.
In the shown embodiment, slurry oil inlet 1110 is opened in the top of tank body 111, and sedimentation agent inlet 1112 is opened
Set on the side wall of tank body 111, and sedimentation agent inlet 1112 is arranged close to slurry oil inlet 1110.Tank body 111 is equipped with outlet
1114, mixed liquor can be flowed out through outlet 1114.In the shown embodiment, outlet 1114 is set to the bottom of tank body 111.
Blender 113 is for being uniformly mixed catalytic cracked oil pulp with sedimentation agent.Blender 113 include stirring rod 1131,
Mixing part 1133 and motor (not shown).In the shown embodiment, stirring rod 1131 is contained in tank body 111, and stirring rod
1131 one end, which is rotatably connected at, is fixed on tank body 111 close to one end of slurry oil inlet 1110.
Mixing part 1133 is contained in tank body 111, and is fixed on the other end of stirring rod 1131, so that 1133 energy of mixing part
It is enough to be rotated with stirring rod 1131 relative to tank body 111.Wherein, mixing part 1133 is straight leaf disc turbine slurry, straight leaf unlatching turbine
Slurry, oblique leaf open turbine slurry or curved leaf opens turbine slurry.In the shown embodiment, there are three mixing part 1133 is total to, three are stirred
Mix the other end that portion 1133 is arranged at intervals at stirring rod 1131.Certainly, it should be noted that the quantity of mixing part 1133 is not limited to
Three, or one, can also be four, can be configured according to the actual situation.
Motor is for driving stirring rod 1131.Motor is located at the outside of tank body 111, and affixed with tank body 111.Further
Ground, motor are set to the one end of stirring rod 1131 far from mixing part 1133, to drive stirring rod 1131 to rotate, and then drive stirring
Portion 1133 rotates.
The mixing speed of blender 113 is 250r/min~600r/min in one of the embodiments,.
Heater 115 is fixedly contained in tank body 111.Further, heater 115 can make the temperature of tank body 111
170 DEG C~340 DEG C are held in, the viscosity of catalytic cracked oil pulp can be both reduced, catalytic cracked oil pulp coking will not be caused.?
In illustrated embodiment, heater 115 is contained in tank body 111, and affixed with the inner wall of tank body 111.(figure is not for temperature inductor
Show) it is contained in tank body 111, and can be contacted with mixed liquor, to monitor the temperature of mixed liquor.
Ultrasonic generator 120 is connect with blending tank 110, and ultrasonic generator 120 is used to provide ultrasonic wave to blending tank 110,
So that catalytic cracked oil pulp is uniformly mixed with sedimentation agent.In the shown embodiment, ultrasonic generator 120 is contained in tank body 111
In, and it is fixed on the side wall of tank body 111.By the collective effect of ultrasonic generator 120 and blender 113, catalysis can be made to split
Carburetion slurry is sufficiently mixed with sedimentation agent, promotes the catalyst flocculation in catalytic cracked oil pulp, to improve catalyst in settling tank
Settling efficiency in 130.Wherein, ultrasonic generator 120 is sonde-type superlattice generator, and the frequency of ultrasonic generator 120 is
25KHz~40KHz.
Settling tank 130 is connected to blending tank 110, and the mixed liquor that settling tank 130 can convey blending tank 110 settles
Processing obtains the first supernatant and sediment.Settling tank 130 has opposite bottom and top.In the shown embodiment, it sinks
The tank bottom of tank 130 is dropped in cone.Further, settling tank 130 is equipped with injection port 131, and injection port 131 and outlet 1114 connect
Logical, so that blending tank 110 is connected to settling tank 130, the mixed liquor that blending tank 110 conveys is successively through outlet 1114, injection port
131 flow into settling tank 130.In the shown embodiment, injection port 131 is opened in the middle part of settling tank 130.
Settling tank 130 is equipped with oil outlet 133, and the first supernatant flows out settling tank 130 through oil outlet 133.Implement in diagram
In mode, oil outlet 133 is opened in the side wall of settling tank 130, and is arranged close to the top of settling tank 130.Further, it settles
Tank 130 is equipped with outlet 135, and sediment is flowed out through outlet 135.In the shown embodiment, outlet 135 is opened in sedimentation
The bottom of tank 130.
Further, baffle 137 is equipped in settling tank 130, baffle 137 is contained in settling tank 130, and and settling tank
130 inner wall is affixed.During 10 continuous operation of purification system, it is heavy that the setting of baffle 137 can reduce mixed liquor entrance
First supernatant in agitation settling tank 130 when dropping tank 130, to prevent sediment from channeling in the first supernatant.Further, baffle
137 is multiple, and multiple baffles 137 are spaced the inner wall for being fixed on settling tank 130.In the shown embodiment, baffle 137 shares three
It is a, and one in two neighboring baffle 137 is arranged perpendicular to the inner wall of settling tank 130, it is another in two neighboring baffle 137
A inner wall with settling tank 130 is inclined to set.
Filter plant 200 is connected to settling tank 130, and filter plant 200 can carry out the sediment that settling tank 130 conveys
Filtration treatment obtains the second supernatant and filter residue.Filter plant 200 includes filter 210 and driver (not shown).Filter
210 include filter housing 211 and filter core 213.
Filter housing 211 has opposite bottom and top.Filter housing 211 is equipped at intervals with feed inlet 2110 and discharge port 2112, into
Material mouth 2110 is connected to outlet 135, and the sediment that settling tank 130 conveys enters in filter housing 211 through feed inlet 2110, on second
Clear liquid can be flowed out through discharge port 2112.In the shown embodiment, feed inlet 2110 and discharge port 2112 are opened in filter housing
211 side wall, feed inlet 2110 is close to the bottom of filter housing 211, and discharge port 2112 is close to the top of filter housing 211.Filter housing 211 is opened
Equipped with slag notch 2114, filter residue can be flowed out through slag notch 2114.In the shown embodiment, slag notch 2114 is opened in filter housing
211 bottom.
Filter housing 211 offers port 2116, vacuumize process can be carried out to filter housing 211 through port 2116, to improve
The filter efficiency of filter 210.In the shown embodiment, port 2116 is opened in the top of filter housing 211.Filter housing 211 offers
Cleaning materials entrance 2118 is rinsed in order to be passed through cleaning materials to filter 210.In the shown embodiment, cleaning materials enters
Mouth 2118 is opened in the top of filter housing 211, and is spaced and is arranged with port 2116.In some embodiments, cleaning materials is selected from clear
At least one of washing lotion and compressed gas.Specifically, cleaning solution is aromatic hydrocarbons, compressed gas is high-voltage pulse nitrogen.
Filter core 213 is contained in filter housing 211.In the shown embodiment, filter core 213 is resistance to 60 DEG C~350 DEG C, aperture is
0.1 μm~20 μm of ceramic membrane, so that filter core 213 has the characteristics that filter efficiency is high, is not easy to plug and reproducible.Filter core 213
It is fixedly contained in filter housing 211, and filter core 213 is between feed inlet 2110 and injection port 2112.From feed inlet 2110 into
Enter filter housing 211 sediment can after the filtering of filter core 213, filter residue be retained in filter core 213 close to the side of feed inlet 2110 and
It is flowed out from slag notch 2114, the second supernatant can be flowed out through discharge port 2112.
Driver is connect with filter 210, and driver can provide power to filter 210.Specifically, driver can
With port 2116, and gas or intake-gas can be passed through into filter housing 211 through port 2116.Further, implement in diagram
In mode, filter plant 200 is two, two interval of filter plant 200 settings, and two filter plants 200 and settling tank 130
It is connected to.At this point, when one in two filter plants 200 because pressure is larger be unable to run when, in two filter plants 200
Another can continue to run, and then guarantee continuous production.
Press apparatus 300 is connected to filter plant 200, blending tank 110, and press apparatus 300 can be to filter plant 200
The filter residue of conveying carries out squeezing and handles to obtain residue and third supernatant, third supernatant can be delivered in blending tank 110 with
Sedimentation agent is mixed to get mixed liquor.
Squeezing system 300 includes storage tank 310, high-pressure pump 320 and squeezer 330.Storage tank 310 and filter plant 200
Connection, storage tank 310 are used for the filter residue that stored filter equipment 200 conveys.In the shown embodiment, storage tank 310 is a high position
Tank, storage tank 310 are connected to slag notch 2114, so that the filter residue that filter plant 200 conveys is able to enter storage tank 310.When depositing
Filter residue can be delivered in squeezer 330 by the filter residue in storage tank 310 after reaching predetermined fluid level.
High-pressure pump 320 is located at storage tank 310, slag notch 2114 is all connected with, can be by filter residue from filtering by high-pressure pump 320
Equipment 200 is delivered to storage tank 310.
Squeezer 330 is connected to storage tank 310, blending tank 110, the filter that squeezer 330 can convey storage tank 310
Slag carries out squeezing and handles to obtain residue and third supernatant, and can be delivered to third supernatant in blending tank 110 and sedimentation
Agent is mixed to get mixed liquor.Squeezer 330 has opposite top and bottom.Squeezer 330 opens up injection port 331, injection port
331 are connected to storage tank 310, so that the filter residue in squeezer 330 can enter in storage tank 310 through injection port 331.It is illustrating
In embodiment, injection port 331 is opened in the top of squeezer 330.
Squeezer 330 opens up outlet 333, and outlet 333 is connected to slurry oil inlet 1110, so that in squeezer 330
Third supernatant can successively enter in blending tank 110 through outlet 333 and slurry oil inlet 1110.In illustrated embodiment
In, outlet 333 is opened in the middle part of squeezer 330.Further, squeezer 330 opens up slag notch 335, and residue can be through
Slag notch 335 flows out.In the shown embodiment, slag notch 335 is opened in the bottom of squeezer 330.
Further, the pressure of squeezer 330 is 10MPa~40Mpa.High pressure can be by the oil contained in filter residue as far as possible
Squeeze out so that the oil content of the residue containing catalyst, less than 20%, third supernatant is able to enter in blending tank 110
It mixes and purifies with sedimentation agent, to improve the rate of recovery of oil, and then reduce the removing cost of catalyst.
The concrete operations of the purification system 10 of catalyst are as follows in the catalytic cracked oil pulp of above embodiment:
(1) catalytic cracked oil pulp is passed through through slurry oil inlet 1110, sedimentation agent inlet 1112 respectively with sedimentation agent mixed
It closes in tank 110, turn on agitator 113 and speed of agitator is controlled in 250r/min~600r/min, heater 115 makes tank
The temperature of body 111 is held in 170 DEG C~340 DEG C, opens ultrasonic generator 120 and by its set of frequency in 25KHz~40KHz,
Catalytic cracked oil pulp is obtained into mixed liquor with sedimentation agent mixing 15min~90min.Mixed liquor is delivered to settling tank 130 to settle
30min~120min obtains the first supernatant and sediment.
(2) sediment is delivered to filter housing 211 through feed inlet 2110, sediment is separated under the action of driver
Two supernatants and filter residue.Filter residue flows into storage tank 310 through slag notch 2114, when the filter residue in storage tank 310 reaches predetermined liquid
Behind position, filter residue is delivered in squeezer 330 by high-pressure pump 320.Filter residue divides under 10MPa~40MPa in squeezer 330
From at third supernatant and residue, wherein contain catalyst in residue, third supernatant is successively infused through outlet 333 and slurry oil
Entrance 1110, which enters in blending tank 110, to be mixed with sedimentation agent and carries out next circulation.
(3) it when the internal drop of filter 210 reaches 3KPa, needs to carry out backwash operation to filter 210.Specific behaviour
Make as follows: closing the feed inlet 2110 of filter 210, then opens the port 2116 of filter 210, be filled with into filter housing 211
High-voltage pulse nitrogen stops after continuing 30min~120min, and aromatic hydrocarbons then is added from cleaning materials entrance 2118, continues to use high pressure
Pulsed nitrogen purges 60min~240min, and the flushing to filter core 213 can be realized.
Certainly, it should be noted that since the purification system 10 of catalyst in above-mentioned catalytic cracked oil pulp can be followed continuously
Inscription of loop, during the 10 continuous circular flow of purification system, when third supernatant starts continuously to be passed through in blending tank 110
When, fresh catalytic cracked oil pulp can also be continuously passed through in blending tank 110, while fresh sedimentation agent can also be continuously passed through
In blending tank 110, at this point, being not necessarily to incorporation time and sedimentation time during subsequent continuous circular flow, pass through control the
It is flowed in the rate of the inflow blending tank 110 of three supernatants, fresh catalytic cracked oil pulp and fresh sedimentation agent, settling tank 130
The rate of the first supernatant and sediment, the filtering rate of filter plant 200 achieve the purpose that mixing and sedimentation out.
The purification system 10 of catalyst at least has the advantages that in the catalytic cracked oil pulp of above embodiment
(1) above-mentioned purification system 10 includes precipitation apparatus 100, filter plant 200 and press apparatus 300, is set by sedimentation
Standby 100 can partially remove the oil in catalytic cracked oil pulp and obtain sediment, enter filter plant to avoid a large amount of greasy dirt
Filter plant is blocked in 200, filter plant 200 can further filter sediment, to remove the catalysis compared with small particle
Agent, press apparatus 300 can squeeze filter residue to obtain residue and third supernatant, and the oil further decreased in residue contains
Amount, and third supernatant is able to enter in blending tank 130 and mixes and purify with sedimentation agent, to improve the rate of recovery of oil, and then drops
The removing cost of low catalyst.
(2) the slurry oil inlet 1110 of the blending tank 110 of above-mentioned purification system 10 intersects with sedimentation agent inlet 1112, energy
So that catalytic cracked oil pulp is formed similar liquid phase continuous phase percussion flow with sedimentation agent, improves between sample to be tested sample and sedimentation agent
Mass-transfer efficiency, promote catalytic cracked oil pulp and sedimentation agent mixing.
(3) blender 113, heater 115 of above-mentioned purification system 10 and 120 collective effect of ultrasonic generator be largely
The upper mixing for accelerating catalytic cracked oil pulp and sedimentation agent, so that sedimentation agent can give full play to its flocculating setting in a relatively short period of time
Effect, promotes catalyst tiny in catalytic cracked oil pulp quickly to reunite, and then improves sedimentation of the catalyst in settling tank 130
Efficiency.
It is appreciated that filter plant 200 is not limited to two, or one, can also be multiple.It is appreciated that
When filter plant 200 is more than two, the setting of more than two intervals of filter plant 200, more than two filter plants 200
Can be connect with settling tank 130, press apparatus 300, more than two filter plants 200 can also be sequentially connected after again with it is heavy
Tank 130, the connection of press apparatus 300 are dropped, and then forms the mode of multistage filtering.
The following are specific embodiment parts.
Embodiment 1
The purification process of catalyst is as follows in the catalytic cracked oil pulp of the present embodiment:
(1) catalytic cracked oil pulp, sedimentation agent are entered into mixing through slurry oil inlet 1110, sedimentation agent inlet 1112 respectively
Tank 110 mixes 15min under 300r/min, 280 DEG C, 25KHz and obtains mixed liquor, wherein catalytic cracked oil pulp is middle petrochemical industry A public
The catalytic cracked oil pulp of department, sedimentation agent are the sedimentation agent of Weihai Xiang space model AS-204, slurry oil inlet 1110, sedimentation agent note
Entrance 1112 is 8:1 in 120 ° of settings, the ratio of height to diameter of blending tank 110.
(2) mixed liquor is delivered to the sedimentation of settling tank 130 90min and obtains the first supernatant and sediment.Wherein, baffle 137
It is three layers.Sediment is delivered to filter housing 211, sediment is separated into the second supernatant and filter residue under the action of driver.
Wherein, the aperture of filter core 213 is 1 μm~10 μm.
(3) filter residue flows into storage tank 310, after the filter residue in storage tank 310 reaches predetermined fluid level, passes through high-pressure pump
320 are delivered to filter residue in squeezer 330.Filter residue is separated into third supernatant and residue in squeezer 330 under 10MPa,
Wherein, catalyst is contained in residue, third supernatant, which enters, to be mixed with sedimentation agent in blending tank 110 and carry out next circulation.
Embodiment 2
The purification process of catalyst is as follows in the catalytic cracked oil pulp of the present embodiment:
(1) catalytic cracked oil pulp, sedimentation agent are entered into mixing through slurry oil inlet 1110, sedimentation agent inlet 1112 respectively
Tank 110 mixes 60min under 250r/min, 170 DEG C, 40KHz and obtains mixed liquor, wherein catalytic cracked oil pulp is middle petrochemical industry B public
The catalytic cracked oil pulp of department, sedimentation agent are the sedimentation agent of Zhejiang Jiangnan industry and trade group Co., Ltd model SSA-1, slurry oil injection
In 90 ° of settings, the ratio of height to diameter of blending tank 110 is 5:1 for mouth 1110, sedimentation agent inlet 1112.
(2) mixed liquor is delivered to the sedimentation of settling tank 130 30min and obtains the first supernatant and sediment.Wherein, baffle 137
It is three layers.Sediment is delivered to filter housing 211, sediment is separated into the second supernatant and filter residue under the action of driver.
Wherein, the aperture of filter core 213 is 1 μm~20 μm.
(3) filter residue flows into storage tank 310, after the filter residue in storage tank 310 reaches predetermined fluid level, passes through high-pressure pump
320 are delivered to filter residue in squeezer 330.Filter residue is separated into third supernatant and residue in squeezer 330 under 40MPa,
Wherein, catalyst is contained in residue, third supernatant, which enters, to be mixed with sedimentation agent in blending tank 110 and carry out next circulation.
Embodiment 3
The purification process of catalyst is as follows in the catalytic cracked oil pulp of the present embodiment:
(1) catalytic cracked oil pulp, sedimentation agent are entered into mixing through slurry oil inlet 1110, sedimentation agent inlet 1112 respectively
Tank 110 mixes 90min under 600r/min, 340 DEG C, 25KHz and obtains mixed liquor, wherein catalytic cracked oil pulp is middle petrochemical industry B public
The catalytic cracked oil pulp of department, sedimentation agent are the sedimentation agent of Luoyang petroleum chemical engineering Co., Ltd model LSA-1, slurry oil injection
In 180 ° of settings, the ratio of height to diameter of blending tank 110 is 12:1 for mouth 1110, sedimentation agent inlet 1112.
(2) mixed liquor is delivered to the sedimentation of settling tank 130 120min and obtains the first supernatant and sediment.Wherein, baffle 137
It is three layers.Sediment is delivered to filter housing 211, sediment is separated into the second supernatant and filter residue under the action of driver.
Wherein, the aperture of filter core 213 is 0.1 μm~5 μm.
(3) filter residue flows into storage tank 310, after the filter residue in storage tank 310 reaches predetermined fluid level, passes through high-pressure pump
320 are delivered to filter residue in squeezer 330.Filter residue is separated into third supernatant and residue in squeezer 330 under 20MPa,
Wherein, catalyst is contained in residue, third supernatant, which enters, to be mixed with sedimentation agent in blending tank 110 and carry out next circulation.
Test:
Measured respectively using GB/T 508-1985 (2004) catalytic cracked oil pulp of Examples 1 to 3, the first supernatant and
Content of ashes (i.e. mass percentage) in second supernatant.Measure implementation respectively using GB/T6521-1986 (extraction process)
The content of the residue of example 1~3, and then calculate oil content.See Table 1 for details for measurement result.The catalysis for the Examples 1 to 3 that table 1 indicates is split
The content of carburetion slurry, the first supernatant, the content of ashes in the second supernatant and residue.
Table 1
As can be seen from Table 1, in Examples 1 to 3, the content of ashes in the first supernatant obtained after settlement treatment is
113ppm~170ppm, content of ashes is reduced to 210ppm hereinafter, illustrating to pass through in the second supernatant obtained after filtration treatment
The purification system of the utility model can remove the catalyst of the overwhelming majority, meanwhile, after squeezing is handled, the oil content of residue is equal
Lower than 18%, illustrates that the purification system of the utility model can be effectively prevented from the waste of oil, improve the rate of recovery of oil.To sum up,
The removal efficiency of the catalyst of the purification system of the utility model is higher and oil recovery rate is higher.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. the purification system of catalyst in a kind of catalytic cracked oil pulp characterized by comprising
Catalytic cracked oil pulp and sedimentation agent can be mixed to get by precipitation apparatus, including blending tank and settling tank, the blending tank
Mixed liquor, the settling tank are connected to the blending tank, the mixed liquor that the settling tank can convey the blending tank
It carries out settlement treatment and obtains the first supernatant and sediment；
Filter plant is connected to the settling tank, the filter plant can to the settling tank convey the sediment into
Row filtration treatment obtains the second supernatant and filter residue；
Press apparatus is connected to the filter plant, the blending tank, and the press apparatus can be defeated to the filter plant
The filter residue sent carries out squeezing and handles to obtain residue and third supernatant, and the third supernatant is delivered to the mixing
Mixed liquor is mixed to get with the sedimentation agent in tank.
2. purification system according to claim 1, which is characterized in that the precipitation apparatus further includes ultrasonic generator, institute
It states ultrasonic generator to connect with the blending tank, the ultrasonic generator can provide ultrasonic wave to the blending tank, so that institute
Catalytic cracked oil pulp is stated to be uniformly mixed with the sedimentation agent.
3. purification system according to claim 2, which is characterized in that the ultrasonic generator is probe type ultrasonic
Device, the frequency of the ultrasonic generator are 25KHz~40KHz.
4. purification system according to claim 1, which is characterized in that the ratio of height to diameter of the blending tank is 5:1~12:1.
5. purification system according to claim 1, which is characterized in that the blending tank is equipped at intervals with catalytic cracked oil pulp note
Entrance and sedimentation agent inlet, the catalytic cracked oil pulp inlet are intersected with the sedimentation agent inlet.
6. purification system according to claim 1, which is characterized in that the settling tank is equipped with baffle, and the baffle is fixed
Ground is contained in the settling tank.
7. purification system according to claim 1, which is characterized in that the filter plant includes filter and driver,
The filter is connected to the settling tank, and the sediment that the filter can convey the settling tank is filtered
Processing obtains second supernatant and the filter residue, and the driver is connect with the filter, and the driver can give institute
It states filter and power is provided.
8. purification system according to claim 7, which is characterized in that the filter includes filter housing and filter core, the filter
Shell opens up feed inlet, slag notch, discharge port and cleaning materials entrance, and the feed inlet, the slag notch interval are set to the one of filter housing
Side, the discharge port and cleaning materials entrance interval are set to the other side of the filter housing, and the filter core is contained in filter housing, and
The filter core is between the feed inlet and the discharge port.
9. purification system according to claim 1, which is characterized in that the filter plant is at least two, at least two
The filter plant interval setting, and at least two filter plants are connected to the settling tank, the press apparatus.
10. purification system according to claim 1, which is characterized in that the press apparatus includes storage tank and squeezer,
The storage tank is connected to the filter plant, and the storage tank is used to store the filter residue of the filter plant conveying, institute
It states squeezer to be connected to the storage tank, the blending tank, the filter that the squeezer can convey the storage tank
Slag carries out squeezing and handles to obtain residue and third supernatant, and the third supernatant can be delivered in the blending tank with
The sedimentation agent mixing.
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| CN201820422693.7U CN208395107U (en) | 2018-03-26 | 2018-03-26 | The purification system of catalyst in catalytic cracked oil pulp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171857A (en) * | 2020-01-14 | 2020-05-19 | 南京科赫科技有限公司 | Catalytic cracking slurry oil purification system and process |
| WO2021136413A1 (en) * | 2020-01-02 | 2021-07-08 | 深圳市科拉达精细化工有限公司 | High-temperature continuous ashless treatment method and system for catalytic cracking slurry oil |
-
2018
- 2018-03-26 CN CN201820422693.7U patent/CN208395107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021136413A1 (en) * | 2020-01-02 | 2021-07-08 | 深圳市科拉达精细化工有限公司 | High-temperature continuous ashless treatment method and system for catalytic cracking slurry oil |
| CN111171857A (en) * | 2020-01-14 | 2020-05-19 | 南京科赫科技有限公司 | Catalytic cracking slurry oil purification system and process |
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Effective date of registration: 20210105 Address after: 518101 1st floor, building 10, Lantian Science Park, Ditang Road, Shaer village, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Guangchangda Petroleum Additive Co.,Ltd. Address before: No.2 Haishan Road, Zhenhai Petrochemical Economic and Technological Development Zone, Ningbo City, Zhejiang Province Patentee before: NINGBO GUANGCHANGDA NEW MATERIAL Co.,Ltd. Patentee before: GUANGCHANGDA NEW MATERIAL TECHNOLOGY SERVICE (SHENZHEN) Co.,Ltd. Patentee before: Shenzhen Guangchangda Petroleum Additive Co.,Ltd. |
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