CN203916619U - A kind of slurry catalyst filling facility - Google Patents
A kind of slurry catalyst filling facility Download PDFInfo
- Publication number
- CN203916619U CN203916619U CN201420341394.2U CN201420341394U CN203916619U CN 203916619 U CN203916619 U CN 203916619U CN 201420341394 U CN201420341394 U CN 201420341394U CN 203916619 U CN203916619 U CN 203916619U
- Authority
- CN
- China
- Prior art keywords
- slurry
- pipeline
- slurry catalyst
- catalyst
- storage tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002002 slurry Substances 0.000 title claims abstract description 122
- 239000003054 catalyst Substances 0.000 title claims abstract description 118
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000003860 storage Methods 0.000 claims abstract description 36
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 5
- 229920000573 polyethylene Polymers 0.000 abstract description 5
- -1 polyethylene Polymers 0.000 abstract description 3
- 238000006116 polymerization reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000011949 solid catalyst Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000007494 plate polishing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 125000005234 alkyl aluminium group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
A kind of slurry catalyst filling facility, belongs to polyethylene polymerization industry liquid catalyst filling apparatus technical field.Comprise slurry catalyst storage tank (3) and dispenser pump (4), it is characterized in that: the charging aperture of described slurry catalyst storage tank (3) connects catalyst steel cylinder (1), catalyst steel cylinder (1) is connected with low-pressure nitrogen pipeline (9), slurry catalyst storage tank (3) bottom connects dispenser pump (4), in the outlet stock line of dispenser pump (4), be provided with successively threeway, slurry catalyst flowmeter (5) and triple valve (6), the side opening of threeway connects high pressure nitrogen pipeline (10), the side opening of triple valve (6) connects circulation slurry pipeline, circulation connects with slurry pipeline slurry catalyst storage tank (3) charging aperture that back-silts.In the utility model, utilize nitrogen pipeline that the facility of annotating is provided power and purged, in pipeline, catalyst-free is residual, ensures the adding amount accurate measurement of catalyst, and can prevent pipeline alluvial obstruction.
Description
Technical field
A kind of slurry catalyst filling facility, belongs to polyethylene polymerization industry liquid catalyst filling apparatus technical field.
Background technology
The slurry catalyst facility of annotating for polyethylene (PE) device, relative usage solid powder catalyst activity is high, and slurry catalyst does not need the silica gel of solid catalyst to do carrier, and using activity is 5 ~ 6 times of solid catalyst; Whole Equipment cost is low, and the investment of solid catalyst feeder is the several times of slurry catalyst filling facility investment; The input amount of entirety alkyl aluminum is only 1/3 of solid catalyst, reduces catalyst costs; Good quality of product, the naval stores average particle size particle size of producing is little, and good processability is especially applicable to film-type pellet.
Due to the slurry catalyst blocking pipeline that very easily deposits, there is more problem in traditional slurry catalyst filling facility.Slurry catalyst storage tank often adopted deflection plate in the past, often had slurry to hang over the edge of deflection plate in stirring, and long-term extension deposited the activity decline that can make catalyst, affects reaction mass and product quality.Filler pipe line angle design is unreasonable, causes the pipeline alluvial occurring and leaks.Filling pipeline is short of power, and exists slurry catalyst residual in pipeline, causes catalyst waste and measures inaccurately, affects product quality.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of without alluvial, nonclogging slurry catalyst filling facility.
The utility model solves the technical scheme that its technical problem adopts: this slurry catalyst filling facility, comprise slurry catalyst storage tank and dispenser pump with agitator, it is characterized in that: the top of described slurry catalyst storage tank is provided with charging aperture, the outlet of slurry catalyst tank bottom connects dispenser pump by pipeline, the first interface end of filling delivery side of pump slurry pipeline connecting tee valve, the second interface end of triple valve uses slurry pipeline to connect the charging aperture of the slurry catalyst storage tank that back-silts by circulation, the 3rd interface end of triple valve is by discharging slurry pipeline coupled reaction system, described outlet slurry pipeline is provided with slurry catalyst flowmeter, on outlet slurry pipeline before slurry catalyst flowmeter, have opening and connect the high pressure nitrogen pipeline that elevated pressure nitrogen air valve is housed, described circulation is with the upper shed of slurry pipeline and be communicated with the low-pressure nitrogen pipeline that low pressure nitrogen air valve is housed.
In the utility model, utilize low-pressure nitrogen pipeline that the slurry catalyst of the facility of annotating is provided power and purged, in pipeline, catalyst-free is residual, ensures the adding amount accurate measurement of catalyst, and can prevent pipeline alluvial obstruction.On filling delivery side of pump slurry pipeline, circulation line is set, can forms circulate mixt system, effectively prevent the sedimentation alluvial in whipping process.In slurry catalyst filling process, can alter course and enter circulation by triple valve at any time, can control more accurately the addition of catalyst, avoid the inertia filling after power that stops of dispenser pump.Finally slurry catalyst filling pipeline can utilize high pressure nitrogen pipeline to purge, and in pipeline, catalyst-free is residual, ensures the adding amount accurate measurement of catalyst, and can prevent pipeline alluvial obstruction.
The charging aperture of described slurry catalyst storage tank connects catalyst steel cylinder discharging opening by feeding line, and catalyst steel cylinder charging aperture connects low-pressure nitrogen pipeline in order to blow catalyst.
On described slurry catalyst storage tank, liquid level gauge is housed, liquid level gauge lower end is connected to the drift angle a of downward-sloping 30 ° ~ 35 ° of slurry catalyst tank bottom outlet and connector.Utilize gravity by sedimentation without falling into dispenser pump entrance suction line, prevent the pipeline blockage of liquid level gauge, affect level gauge.
Described dispenser pump is screw rod dispenser pump.
Described outlet slurry pipeline, circulation are and adopt dead annealed stainless steel hydraulic pressure cutting ferrule Tube pipe with slurry pipeline and discharging slurry pipeline.On described slurry pipeline, correspondence is provided with valve everywhere, and valve is the ball valve of double card cover.The pipeline that relates to slurry adopts the big Lip river of generation gram (Swagelok
)pipe valve, pipeline adopts dead annealed stainless steel hydraulic pressure cutting ferrule Tube pipe, and very smooth through transpassivation and cleaning inwall, pipe resistance is down to minimum; The ball valve of double card cover can be well and the laminating of Tube pipe, ensured pipeline tight and extremely low along journey pressure drop.
The inwall of described slurry catalyst storage tank is the smooth smooth inner wall of polishing.Reservoir walls adopts no baffle plate polishing, and slurry catalyst storage tank often adopted deflection plate in the past, often has slurry to hang over the edge of deflection plate in stirring, and long-term extension deposited the activity decline that can make catalyst, affects reaction mass and product quality; The utility model reservoir walls adopts no baffle plate polishing, and guarantee reservoir walls is deposited without extension, is convenient to clean displacement, has reduced and has overhauled stop using catalyst loss and solvent load.
In described slurry catalyst tank bottom outlet, exhibition valve is housed.The opening form of upper exhibition valve is convenient to slurry and is gushed with tank cleaning and replace.
Between described slurry catalyst tank bottom outlet connection dispenser pump pipeline and dispenser pump entrance, be provided with the drift angle b of 32 ° ~ 36 °.Between described slurry catalyst tank bottom outlet connection dispenser pump stock line and dispenser pump entrance, be provided with drift angle, drift angle size is 32 ° ~ 36 °.Avoid sedimentation and the break-in resistance of horizontal pipeline and elbow bend, be convenient to slurry and gush and system cleaning displacement; Meet the filling demand of different load liquid catalyst.
The agitator of described slurry catalyst storage tank is variable speed stirrer.
Compared with prior art, the beneficial effect that slurry catalyst filling facility of the present utility model has is: in the utility model, utilize low-pressure nitrogen pipeline that the slurry catalyst of filling facility is provided power and purged, in pipeline, catalyst-free is residual, ensure the adding amount accurate measurement of catalyst, and can prevent pipeline alluvial obstruction.On filling delivery side of pump slurry pipeline, circulation line is set, can forms circulate mixt system, effectively prevent the sedimentation alluvial in whipping process.In slurry catalyst filling process, can alter course and enter circulation by triple valve at any time, can control more accurately the addition of catalyst, avoid the inertia filling after power that stops of dispenser pump.Finally slurry catalyst filling pipeline can utilize high pressure nitrogen pipeline to purge, and in pipeline, catalyst-free is residual, ensures the adding amount accurate measurement of catalyst, and can prevent pipeline alluvial obstruction.The utility model reservoir walls adopts no baffle plate polishing, and guarantee reservoir walls is deposited without extension, is convenient to clean displacement, has reduced and has overhauled stop using catalyst loss and solvent load.The utility model is suitable for the slurry catalyst filling facility of different load in PE device.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of slurry catalyst filling of the utility model facility.
Wherein, 1, catalyst steel cylinder 2, agitator 3, slurry catalyst storage tank 4, dispenser pump 5, slurry catalyst flowmeter 6, triple valve 7, elevated pressure nitrogen air valve 8, low pressure nitrogen air valve 9, low-pressure nitrogen pipeline 10, high pressure nitrogen pipeline 11, liquid level gauge 12, dispenser pump suction line 13, slurry pipeline 14, discharging slurry pipeline 15, outlet slurry pipeline for circulation; The downward-sloping drift angle a in liquid level gauge pipeline bottom, dispenser pump suction line drift angle b.
Detailed description of the invention
Fig. 1 is most preferred embodiment of the present utility model, below in conjunction with accompanying drawing 1, the utility model is described further.
With reference to accompanying drawing 1: a kind of slurry catalyst filling facility of the present utility model, slurry catalyst storage tank 3 and dispenser pump 4, dispenser pump 4 is more suitable for the special viscosity of slurry catalyst for screw rod dispenser pump, slurry catalyst storage tank 3 is with agitator 2, agitator 2 is variable speed stirrer, can adjust mixing speed according to liquid level, the smooth smooth inner wall that the inwall of slurry catalyst storage tank 3 is polishing; Liquid level gauge 11 is housed on slurry catalyst storage tank 3, and liquid level gauge 11 is downward-sloping with the lower connecting line connector of slurry catalyst storage tank 3, and angle of inclination is 30 ° ~ 35 °; The top charging aperture of slurry catalyst storage tank 3 connects catalyst steel cylinder 1 by feeding line, and catalyst steel cylinder 1 is the initial carrier of slurry catalyst; Catalyst steel cylinder 1 is connected with low-pressure nitrogen pipeline 9 in order to blow catalyst, on slurry catalyst storage tank 3 outlet at bottom outlet at bottoms, exhibition valve is housed and connects dispenser pump 4 by stock line, between slurry catalyst storage tank 3 outlet at bottoms connection dispenser pump stock line and dispenser pump entrance, be provided with drift angle, drift angle size is 32 ° ~ 36 °; The first interface end of the outlet slurry pipeline 15 connecting tee valves 6 of dispenser pump 4, the second interface end of triple valve 6 uses slurry pipeline 13 to connect the charging aperture of the slurry catalyst storage tank 3 that back-silts by circulation, the 3rd interface end of triple valve 6 is by discharging slurry pipeline 14 coupled reaction systems, triple valve 6 can be realized straight-through and bypass, operation condition is set according to demand, and the system that can realize is effectively isolated; Outlet slurry pipeline 15 upper sheds also connect the high pressure nitrogen pipeline 10 that elevated pressure nitrogen air valve 7 is housed, and catalyst are sent into reaction system with inert gas; Circulation is with 13 upper sheds of slurry pipeline and be communicated with low-pressure nitrogen pipeline 9.The link of low-pressure nitrogen pipeline 9 is equipped with low pressure nitrogen air valve 8.Outlet slurry pipeline 15, circulation are and adopt dead annealed stainless steel hydraulic pressure cutting ferrule Tube pipe with slurry pipeline 13 and discharging slurry pipeline 14, and on slurry pipeline, correspondence is provided with valve everywhere, and valve is the ball valve of double card cover.
Other embodiments: basic structure is with shown in above-mentioned accompanying drawing 1, and difference is: on slurry catalyst storage tank 3, guided wave radar is housed and detects liquid level, replace liquid level gauge 11, without the problem of considering liquid level gauge 11 pipeline blockage, it is more accurate that liquid level detects.
Concrete occupation mode: the catalyst steel cylinder 1 that slurry catalyst is housed rolls on roll packer after 24 hours in thermostatic chamber, makes slurry solid-liquid mix phase homogeneous, reaches catalyst performance requirement.Catalyst steel cylinder 1 is transported near charging system, connect feeding line and the low-pressure nitrogen pipeline 9 of the top charging aperture of slurry catalyst storage tank 3 of the present utility model, slurry catalyst is pressed to unload to slurry catalyst storage tank 3 and stir, detect liquid level by guided wave radar or two flange liquid level meter, by the stirring of agitator 2, catalyst is fully mixed, open angie type baiting valve, after dispenser pump 4 pressurization, liquid catalyst is added in reactor with refining high pressure nitrogen.In the time stopping adding catalyst, triple valve can be switched to bypass position, system is played circulation.
The above, it is only preferred embodiment of the present utility model, be not the restriction of the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (8)
1. a slurry catalyst filling facility, comprise slurry catalyst storage tank (3) and dispenser pump (4) with agitator (2), it is characterized in that: the top of described slurry catalyst storage tank (3) is provided with charging aperture, slurry catalyst storage tank (3) outlet at bottom connects dispenser pump (4) by pipeline, the first interface end of outlet slurry pipeline (15) the connecting tee valve (6) of dispenser pump (4), the second interface end of triple valve (6) connects the charging aperture of slurry catalyst storage tank (3) of back-silting by circulation slurry pipeline (13), the 3rd interface end of triple valve (6) is by discharging slurry pipeline (14) coupled reaction system, described outlet slurry pipeline (15) is provided with slurry catalyst flowmeter (5), on the front outlet slurry pipeline (15) of slurry catalyst flowmeter (5), have opening and connect the high pressure nitrogen pipeline (10) that elevated pressure nitrogen air valve (7) is housed, the low-pressure nitrogen pipeline (9) of low pressure nitrogen air valve (8) is equipped with in slurry pipeline described circulation for (13) upper shed connection.
2. a kind of slurry catalyst filling facility according to claim 1, it is characterized in that: the charging aperture of described slurry catalyst storage tank (3) connects catalyst steel cylinder (1) discharging opening by feeding line, catalyst steel cylinder (1) charging aperture connects low-pressure nitrogen pipeline (9) in order to blow catalyst.
3. a kind of slurry catalyst filling facility according to claim 1, it is characterized in that: on described slurry catalyst storage tank (3), liquid level gauge (11) is housed, liquid level gauge (11) lower end is connected to the drift angle (a) of downward-sloping 30 ° ~ 35 ° of slurry catalyst storage tank (3) outlet at bottom and connector.
4. a kind of slurry catalyst filling facility according to claim 1, is characterized in that: described dispenser pump (4) is screw rod dispenser pump.
5. a kind of slurry catalyst filling facility according to claim 1, is characterized in that: described outlet slurry pipeline (15), circulation slurry pipeline (13) and discharging slurry pipeline (14) is and adopts dead annealed stainless steel hydraulic pressure cutting ferrule Tube pipe.
6. a kind of slurry catalyst filling facility according to claim 1, is characterized in that: the smooth smooth inner wall that the inwall of described slurry catalyst storage tank (3) is polishing.
7. a kind of slurry catalyst filling facility according to claim 1, is characterized in that: on described slurry catalyst storage tank (3) outlet at bottom, exhibition valve is housed.
8. a kind of slurry catalyst filling facility according to claim 1, is characterized in that: between described slurry catalyst storage tank (3) outlet at bottom connection dispenser pump (4) pipeline and dispenser pump entrance, be provided with the drift angle (b) of 32 ° ~ 36 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341394.2U CN203916619U (en) | 2014-06-25 | 2014-06-25 | A kind of slurry catalyst filling facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341394.2U CN203916619U (en) | 2014-06-25 | 2014-06-25 | A kind of slurry catalyst filling facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203916619U true CN203916619U (en) | 2014-11-05 |
Family
ID=51812501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420341394.2U Expired - Lifetime CN203916619U (en) | 2014-06-25 | 2014-06-25 | A kind of slurry catalyst filling facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203916619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479057A (en) * | 2014-11-24 | 2015-04-01 | 天华化工机械及自动化研究设计院有限公司 | Ultra-high molecular weight polyethylene device catalyst preparation accurate measurement method |
| CN114534632A (en) * | 2022-02-10 | 2022-05-27 | 迈瑞尔实验设备（上海）有限公司 | Slurry catalyst feed system |
-
2014
- 2014-06-25 CN CN201420341394.2U patent/CN203916619U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479057A (en) * | 2014-11-24 | 2015-04-01 | 天华化工机械及自动化研究设计院有限公司 | Ultra-high molecular weight polyethylene device catalyst preparation accurate measurement method |
| CN104479057B (en) * | 2014-11-24 | 2016-10-05 | 天华化工机械及自动化研究设计院有限公司 | A kind of ultra-high molecular weight polyethylene device catalyst configuration accurate measurement method |
| CN114534632A (en) * | 2022-02-10 | 2022-05-27 | 迈瑞尔实验设备（上海）有限公司 | Slurry catalyst feed system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: North of Linzi Expressway Intersection, Zibo City, Shandong Province 255400 Patentee after: Zibo qimeite Chemical Equipment Co.,Ltd. Address before: East of 3km North of Expressway Intersection, Linzi District, Zibo City, Shandong Province, 255400 Patentee before: ZIBO LINZI QIMEITE INDUSTRY AND TRADE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |