CN204337871U - Nuclear safe level electric filtering apparatus - Google Patents
Nuclear safe level electric filtering apparatus Download PDFInfo
- Publication number
- CN204337871U CN204337871U CN201420761022.5U CN201420761022U CN204337871U CN 204337871 U CN204337871 U CN 204337871U CN 201420761022 U CN201420761022 U CN 201420761022U CN 204337871 U CN204337871 U CN 204337871U
- Authority
- CN
- China
- Prior art keywords
- load
- safe level
- nuclear safe
- web
- nuclear
- 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 - Fee Related
Links
Landscapes
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The utility model relates to a kind of nuclear safe level electric filtering apparatus, it is characterized in that it comprises 1E level electric device (1), nuclear safe level venting assembly (2), transmission component (3), web-roll core assembly (4), lower shaft holder assembly (5), blow-off pipe assembly (6), steam trap connection (7), differential pressure measuring installation (8), nuclear safe level housing (9), nuclear safe level electric blowdown valve (10) and local control box (11).This nuclear safe level electric filtering apparatus have not only compact conformation, reliability is high, rigid good, and is convenient to the advantage of dismounting, good filtration effect.
Description
Technical field
The utility model relates to a kind of nuclear safe level electric filtering apparatus.
Background technology
The primary Ioops cooling water system of nuclear power station/nuclear facilities, be mainly the cooling water establishing cold-water heat-exchanger to provide clean of nuclear power station/nuclear facilities, reduce pipe side thermal resistance, improve cooling effect, extend and establish the cool-heat-exchanger life-span, cooling water quality directly affects the performance and life cycle of establishing cold water switch; Drum type filter screen backwash water system provides clean back-flushing for drum type filter screen, wash away the rubbish be trapped on wire side, because drum type filter screen is arranged in the total water inlet of nuclear power station/nuclear facilities, be directly connected to the security of operation of nuclear power station/nuclear facilities, the upright security of operation connecing serviceability and the nuclear power station/nuclear facilities affecting drum type filter screen of backwashing water.Therefore, for the primary Ioops cooling water system supporting electric filtering apparatus Performance And Reliability of drum type filter screen backwash water system of unifying requires very high, Nuclear safety related equipment is belonged to.
The primary Ioops cooling water system of some Small nuclear power plant/nuclear facilities or the drum type filter screen backwash water system water yield require relatively little, system pipeline specification is general≤DN200mm, apparatus arrangement space is relatively narrow and small, existing nuclear safe level electric filtering apparatus cannot meet it and arrange and functional requirement: the filter had adopts blowdown funnel rotary back flushing working mechanism, due to blowdown funnel radial dimension factor, specification of equipment size is general larger; Some filters adopt web-roll core rotary back flushing mechanism, but web-roll core rotor upper and lower structural design is unreasonable, lacks effective journal bearing, causes rotor generation radial skew and skew, in addition rotor seal adopts double-deck filling-material structure, can cause packing leaking during running; Some metre filter precision > 1mm, do not reach working condition requirement; Some filters adopt manual blowdown, and automaticity is low, and operations staff's working strength is large.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provide one not only compact conformation, reliability is high, rigid good, and is convenient to the nuclear safe level electric filtering apparatus of dismounting, good filtration effect.
The purpose of this utility model is achieved in that
A kind of nuclear safe level electric filtering apparatus, is characterized in that it comprises 1E level electric device, nuclear safe level venting assembly, transmission component, web-roll core assembly, lower shaft holder assembly, blow-off pipe assembly, steam trap connection, differential pressure measuring installation, nuclear safe level housing, nuclear safe level electric blowdown valve and local control box, 1E level electric device and transmission component load, nuclear safe level venting assembly and the load of nuclear safe level case top cover plate, and transmission component and the load of nuclear safe level case top cover plate, transmission component and the top load of web-roll core assembly, the convex axle of web-roll core component bottom is by the radial location of lower shaft holder assembly Lower shaft sleeve, load bottom blow-off pipe assembly top and lower shaft holder assembly sewage draining exit, blow-off pipe component bottom and the load of nuclear safe level lower housing portion sewage draining exit, steam trap connection and the load of nuclear safe level housing bottom, differential pressure measuring installation and the load of nuclear safe level housing, nuclear safe level blowoff valve and the load of the nuclear safe level housing N3 mouth of pipe, the feed cable of 1E level electric device, transmission component, differential pressure measuring installation and nuclear safe level electric blowdown valve parts, control cables and data cable and local control box load, described transmission component comprises holder, transmission main shaft, proximity switch, position detection dish, locking nut, bearing plate, single direction thrust ball bearing, gland, O-ring seals, y-shaped ring, axle sleeve, upper axle bed, sealing ring A, sealing ring B and sealing gasket, transmission main shaft is driven by 1E level electric device and realizes circumference rotation, wherein: 1E level electric device and holder load, holder flange and upper cover plate load, also proximity switch is housed in the middle part of holder, coiled by sensed position detection, to local control box transferring drive main shaft circumference rotational position signal, transmission main shaft head and the load of 1E level electric device, main shaft epimere is provided with position detection dish, axle body realizes axial restraint by locking nut, bearing plate, single direction thrust ball bearing, gland, upper axle bed, axle body realizes radial location by axle sleeve, transmission main shaft cylindrical realizes axial movable sealing with the O-ring seals be arranged in axle sleeve, upper axle bed and gland, y-shaped ring combined sealing structure, arranges sealing ring A, sealing ring B in transmission main shaft lower flange and upper axle bed bottom groove, upper axle bed flange and the load of nuclear safe level case top lid plate, be provided with sealing gasket between faying face, installs axle sleeve and y-shaped ring, be provided with O-ring seals in axle sleeve groove in its chamber, gland flange and upper axle bed top load, O-ring seals is equipped with in junction, and install single direction thrust ball bearing in gland upper grooves, central slot is built with O-ring seals, described web-roll core assembly comprises web-roll core framework, clamping web plate, screen pack, support orifice plate, web-roll core framework circumferentially forms several uniform chambers by top board, central tube, connecting ring, separation rib, base plate, and forms several uniform feed liquor vestibules between central tube and base plate, several independent uniform filter chambers are formed after web-roll core framework and clamping web plate, screen pack, the load of support orifice plate, and the uniform latus rectum of screen pack is the fluid aperture of φ 0.1 ~ 0.6mm, fixed by clamping web plate and support orifice plate, clamping web plate with supporting, orifice plate is also evenly equipped with the through flow hole of latus rectum >=φ 10mm, web-roll core top top board and the load of transmission main shaft lower flange, adopt axle, cooperation location, hole between the two, bottom web-roll core, convex axle realizes radial location by Lower shaft sleeve, in web-roll core base of frame and lower axle bed groove, sealing ring C, sealing ring D are set, described lower shaft holder assembly comprises Lower shaft sleeve, sealing gasket, stifle, lower axle bed, sealing ring C, sealing ring D, Lower shaft sleeve is arranged in lower axle bed center lumen groove, lower axle bed center lumen trench bottom and sealing gasket, stifle load, lower axle bed flange and middle ring flat-plate load, several through-flow chambeies and 1 sewage draining exit region is provided with between lower axle bed flange and center lumen groove, and sewage draining exit region is solid slab, shape is suitable with 1 independent web-roll core chamber with area, is provided with 1 blowdown through hole in the middle part of sewage draining exit region, described blow-off pipe assembly comprises top seal pad, blowdown connection, blowdown connection upper flange and lower axle bed sewage draining exit bottom surface load, blowdown connection upper flange groove built with top seal pad, blowdown connection lower flange and the load of nuclear safe level housing sewage draining exit, described differential pressure measuring installation comprise net after nuclear safe level instrument root valve, net after gauge pipe, net after 1E stage pressure table, 1E level differential pressure switch, net before nuclear safe level instrument root valve, net before gauge pipe, net before 1E stage pressure table, installation panel.
Compared with prior art, the beneficial effects of the utility model are:
After adopting said structure, because the utility model adopts web-roll core to rotate the Backwash mechanism that fixes, compact equipment, be suitable in the occasion mounting arrangements of restriction of having living space; The convex axle location of web-roll core upper transmission main shaft and bottom, hermetically-sealed construction rationally, avoid equipment rotatable parts occur wearing and tearing and leak; Equipment adopts electric blowdown valve door, significantly reduces operations staff's working strength; Equipment filtering accuracy is high, can filtering >=0.1mm impurity; The utility model not only compact conformation, rigid is good, and is convenient to dismounting, good filtration effect, also has anti-seismic performance good, and the feature such as safe and reliable.Therefore this nuclear safe level electric filtering apparatus have not only compact conformation, reliability is high, rigid good, and is convenient to the advantage of dismounting, good filtration effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model nuclear safe level electric filtering apparatus.
Fig. 2 is the structure sectional view of the utility model nuclear safe level electric filtering apparatus.
Fig. 3 is the A-A sectional view of Fig. 1.
Fig. 4 is the B-B sectional view of Fig. 1.
Wherein:
The venting of 1E level electric device 1, nuclear safe level assembly 2, transmission component 3, web-roll core assembly 4, lower shaft holder assembly 5, blow-off pipe assembly 6, steam trap connection 7, differential pressure measuring installation 8, nuclear safe level housing 9, nuclear safe level electric blowdown valve 10, local control box 11;
Bleeder pipe 2-1, nuclear safe level vent valve 2-2
Holder 3-1, transmission main shaft 3-2, proximity switch 3-3, position detection dish 3-4, locking nut 3-5, bearing plate 3-6, single direction thrust ball bearing 3-7, gland 3-8, O-ring seals 3-9, y-shaped ring 3-10, axle sleeve 3-11, upper axle bed 3-12, sealing ring A3-13, sealing ring B3-14, sealing gasket 3-15;
Web-roll core framework 4-1, clamping web plate 4-2, screen pack 4-3, support orifice plate 4-4; Top board 4-1-1, central tube 4-1-2, connecting ring 4-1-3, separation rib 4-1-4, base plate 4-1-5;
Lower shaft sleeve 5-1, sealing gasket 5-2, stifle 5-3, lower axle bed 5-4, sealing ring C5-5, sealing ring D5-6;
Top seal pad 6-1, blowdown connection 6-2;
Net rear nuclear safe level instrument root valve 8-1, net rear gauge pipe 8-2, net rear 1E stage pressure table 8-3,1E level differential pressure switch 8-4, net front nuclear safe level instrument root valve 8-5, net front gauge pipe 8-6, net front 1E stage pressure table 8-7, installation panel 8-8
Lifting bolt 9-1, upper cover plate 9-2, middle ring flat-plate 9-3, cylindrical shell 9-4, supporting leg 9-5, hanger 9-6.
Detailed description of the invention
See Fig. 1 ~ Fig. 4, a kind of nuclear safe level electric filtering apparatus that the utility model relates to, is applicable to DN200mm and has the filter pipelines such as the cooling water/flushing water of Nuclear safety class requirement below, possessing automatic washing function; Carry out designing according to Nuclear safety related equipment code requirement, manufacture, check and accept; The pressure-containing members such as apparatus casing must be carried out the design of core pressure-bearing, manufacture, examination by the unit possessing qualification, electric device, instrument, on-site control, cable must be 1E level product, and valve must be nuclear safe level product; Filter apparatus entirety must be done antidetonation stress analysis and calculate, and on-site control must do shock test; Adopt web-roll core to rotate and fix and strengthen the working mechanism of backwash: web-roll core is divided into several uniform independent filter chambers of circumference and assembles with transmission main shaft is fixing, and transmission main shaft stepping rotates.Differential pressure measuring installation or timing routine trigger automatic backflushing washing procedure, open electric blowdown valve, control power transmission shaft stepping by position monitoring and control device to rotate, make full use of the action of turbulent flow of special filter chamber formation and the effective head of cooling water inlet and outlet pipe differential pressure formation, realize the strengthening backwash that fixes one by one to web-roll core filter chamber, ensure the clean operation of wire side.
This nuclear safe level electric filtering apparatus comprises 1E level electric device 1, nuclear safe level venting assembly 2, transmission component 3, web-roll core assembly 4, lower shaft holder assembly 5, blow-off pipe assembly 6, steam trap connection 7, differential pressure measuring installation 8, nuclear safe level housing 9, nuclear safe level electric blowdown valve 10 and local control box 11, 1E level electric device 1 and transmission component 3 load, nuclear safe level venting assembly 2 and the load of nuclear safe level housing 9 top blind flange, and transmission component 3 and the load of nuclear safe level housing 9 top blind flange, transmission component 3 and web-roll core assembly 4 top load, bottom web-roll core assembly 4, convex axle is by lower shaft holder assembly 5 Lower shaft sleeve 5-1 radial location, load bottom blow-off pipe assembly 6 top and lower shaft holder assembly 5 sewage draining exit, with the sewage draining exit load of nuclear safe level housing 9 bottom bottom blow-off pipe assembly 6, load bottom steam trap connection 7 and nuclear safe level housing 9, differential pressure measuring installation 8 and nuclear safe level housing 9 load, nuclear safe level blowoff valve 10 and the load of the nuclear safe level housing 9N3 mouth of pipe, the feed cable of 1E level electric device 1, transmission component 3, differential pressure measuring installation 8 and nuclear safe level electric blowdown valve 10 parts, control cables and data cable and local control box 11 load, described transmission component 3 comprises holder 3-1, transmission main shaft 3-2, proximity switch 3-3, position detection dish 3-4, locking nut 3-5, bearing plate 3-6, single direction thrust ball bearing 3-7, gland 3-8, O-ring seals 3-9, y-shaped ring 3-10, axle sleeve 3-11, upper axle bed 3-12, sealing ring A3-13, sealing ring B3-14 and sealing gasket 3-15, transmission main shaft 3-2 is driven by 1E level electric device 1 and realizes circumference rotation, wherein: 1E level electric device and holder 3-1 load, holder 3-1 flange and upper cover plate 9-2 load, in the middle part of holder 3-1, proximity switch 3-3 is also housed, by sensed position detection dish 3-4, to local control box 11 transferring drive main shaft circumference rotational position signal, transmission main shaft 3-2 head and the load of 1E level electric device 1, main shaft epimere is provided with position detection dish 3-4, axle body is by locking nut 3-5, bearing plate 3-6, single direction thrust ball bearing 3-7, gland 3-8, upper axle bed 3-12 realizes axial restraint, axle body realizes radial location by axle sleeve 3-11, transmission main shaft 3-2 cylindrical be arranged on axle sleeve 3-11, O-ring seals 3-9 in upper axle bed 3-12 and gland 3-8, y-shaped ring 3-10 combined sealing structure realizes axial movable sealing, in transmission main shaft 3-2 lower flange and upper axle bed 3-12 bottom groove, sealing ring A3-13 is set, sealing ring B3-14, mechanical dynamic seal is realized by the minim gap 0.5 ~ 1.0mm between groove and sealing ring, alleviate cooling impurities in water to O-ring seals 3-9, y-shaped ring 3-10, the wearing and tearing of axle sleeve 3-11, upper axle bed 3-12 flange and nuclear safe level case top lid plate 9-2 load, be provided with sealing gasket 3-15 between faying face, install in axle sleeve 3-11 and y-shaped ring 3-10, axle sleeve 3-11 groove and be provided with O-ring seals 3-9 in its chamber, gland 3-8 flange and upper axle bed 3-12 top load, O-ring seals 3-9 is equipped with in junction, and install single direction thrust ball bearing 3-7 in gland 3-8 upper grooves, central slot is built with O-ring seals 3-9, described web-roll core assembly 4 comprises web-roll core framework 4-1, clamping web plate 4-2, screen pack 4-3, supports orifice plate 4-4, web-roll core framework 4-1 circumferentially forms several uniform chambers by top board 4-1-1, central tube 4-1-2, connecting ring 4-1-3, separation rib 4-1-4, base plate 4-1-5, and forms several uniform feed liquor vestibules between central tube 4-1-2 and base plate 4-1-5, web-roll core framework 4-1 and clamping web plate 4-2, screen pack 4-3, support orifice plate 4-4 load after form several independent uniform filter chambers, and the uniform latus rectum of screen pack 4-3 is the fluid aperture of φ 0.1 ~ 0.6mm, fixed by clamping web plate 4-2 and support orifice plate 4-4, clamping web plate 4-2 with supporting, orifice plate 4-4 is also evenly equipped with the through flow hole of latus rectum >=φ 10mm, web-roll core 4 top top board 4-1-1 and the load of transmission main shaft 3-2 lower flange, adopt axle, cooperation location, hole between the two, bottom web-roll core 4, convex axle realizes radial location by Lower shaft sleeve 5-1, bottom web-roll core framework 4-1 He in lower axle bed 5-4 groove, sealing ring C5-5, sealing ring D5-6 are set, realize mechanical dynamic seal by the minim gap 0.5 ~ 1.0mm between groove and sealing ring, alleviating cooling impurities in water to the wearing and tearing of convex axle and Lower shaft sleeve 5-1 filters large granular impurity, described lower shaft holder assembly 5 comprises Lower shaft sleeve 5-1, sealing gasket 5-2, stifle 5-3, lower axle bed 5-4, sealing ring C5-5, sealing ring D5-6, Lower shaft sleeve 5-1 is arranged in lower axle bed 5-4 center lumen groove, lower axle bed 5-4 center lumen trench bottom and sealing gasket 5-2, stifle 5-3 load, lower axle bed 5-4 flange and middle ring flat-plate 9-3 load, several through-flow chambeies and 1 sewage draining exit region is provided with between lower axle bed 5-4 flange and center lumen groove, and sewage draining exit region is solid slab, shape is suitable with 1 independent web-roll core chamber with area, is provided with 1 blowdown through hole in the middle part of sewage draining exit region, described blow-off pipe assembly 6 comprises top seal pad 6-1, blowdown connection 6-2, blowdown connection 6-2 upper flange and lower axle bed 5-4 sewage draining exit bottom surface load, blowdown connection 6-2 upper flange groove built with top seal pad 6-1, blowdown connection 6-2 lower flange and the load of nuclear safe level housing 9 sewage draining exit, after described differential pressure measuring installation 8 comprises net after nuclear safe level instrument root valve 8-1, net after gauge pipe 8-2, net before 1E stage pressure table 8-3,1E level differential pressure switch 8-4, net before nuclear safe level instrument root valve 8-5, net before gauge pipe 8-6, net 1E stage pressure table 8-7, installation panel 8-8,1E level differential pressure switch 8-4 can export the high and differential pressure alarm signal of differential pressure to on-site control 11, described nuclear safe level electric filtering apparatus and backwashing system thereof have whole-process automatic control and control two kinds of methods of operation manually, and electrical control cubicles is arranged on the spot, backwashing system has differential pressure automatically to control and program's automation run two kinds of control models, and back flushing differential pressure value/time setting interval can according to Operating condition adjustment.
1E level electric device 1 output speed described in the utility model is 0.4 ~ 0.6rpm/ min.
As shown in Figure 1, 2, nuclear safe level venting assembly 2 described in the utility model comprises bleeder pipe 2-1 and nuclear safe level vent valve 2-2 load, and bleeder pipe 2-1 and the load of nuclear safe level housing 9 top cover plate 9-2 gas vent.
As shown in Figure 1, 2, 3, the turbid liquid import of nuclear safe level electric filtering apparatus described in the utility model (the N1 mouth of pipe), purified liquor outlet (the N2 mouth of pipe) and cooling water pipeline load, the end-of-the-pipe N3 mouth of pipe is equipped with nuclear safe level electric blowdown valve 11.
As shown in Figure 3, install for ease of equipment, overhaul, nuclear safe level electric filtering apparatus upper cover plate 9-2 described in the utility model is provided with 2 lifting bolt 9-1, and cylindrical shell 9-4 is provided with 4 hanger 9-6, is provided with 4 supporting leg 9-5 bottom cylindrical shell 9-4; Described nuclear safe level electric filtering apparatus is provided with hand hole (the N6 mouth of pipe) and the peep hole N7 mouth of pipe.
As shown in Figure 2,3, for ensureing equipment rotatable parts reliability service, nuclear safe level electric filtering apparatus axle sleeve 3-11 described in the utility model, sealing ring A3-13, sealing ring B3-14, Lower shaft sleeve 5-1, sealing ring C5-5, sealing ring D5-6 adopt high-quality high-abrasive material.
The utility model has been arranged in Nuclear safety class requirement and in use to the device space conditional nuclear power station/nuclear facilities primary Ioops cooling water system or drum type filter screen backwash water system pipeline; The cooling water that cooling water filter provides clean for establishing cold-water heat-exchanger, reduces pipe side thermal resistance, improves cooling effect, extends and establishes the cool-heat-exchanger life-span; Drum type filter screen backwashing water filter provides clean back-flushing for drum type filter screen, washes away the rubbish be trapped on wire side, guarantees the safe and reliable work of drum type filter screen; The safe operation being embodied as nuclear power station/nuclear facilities of the present utility model provides reliable guarantee.
Claims (1)
1. a nuclear safe level electric filtering apparatus, is characterized in that it comprises 1E level electric device (1), nuclear safe level venting assembly (2), transmission component (3), web-roll core assembly (4), lower shaft holder assembly (5), blow-off pipe assembly (6), steam trap connection (7), differential pressure measuring installation (8), nuclear safe level housing (9), nuclear safe level electric blowdown valve (10) and local control box (11), 1E level electric device (1) and transmission component (3) load, nuclear safe level venting assembly (2) and nuclear safe level housing (9) top blind flange load, and transmission component (3) and nuclear safe level housing (9) top blind flange load, transmission component (3) and web-roll core assembly (4) top load, the convex axle in web-roll core assembly (4) bottom is by lower shaft holder assembly (5) Lower shaft sleeve (5-1) radial location, load bottom blow-off pipe assembly (6) top and lower shaft holder assembly (5) sewage draining exit, blow-off pipe assembly (6) bottom and the sewage draining exit load of nuclear safe level housing (9) bottom, steam trap connection (7) and nuclear safe level housing (9) bottom load, differential pressure measuring installation (8) and nuclear safe level housing (9) load, nuclear safe level blowoff valve (10) and the load of nuclear safe level housing (9) the N3 mouth of pipe, the feed cable of 1E level electric device (1), transmission component (3), differential pressure measuring installation (8) and nuclear safe level electric blowdown valve (10) parts, control cables and data cable and local control box (11) load, described transmission component (3) comprises holder (3-1), transmission main shaft (3-2), proximity switch (3-3), position detection dish (3-4), locking nut (3-5), bearing plate (3-6), single direction thrust ball bearing (3-7), gland (3-8), O-ring seals (3-9), y-shaped ring (3-10), axle sleeve (3-11), upper axle bed (3-12), sealing ring A(3-13), sealing ring B(3-14) and sealing gasket (3-15), transmission main shaft (3-2) is driven by 1E level electric device (1) and realizes circumference rotation, wherein: 1E level electric device and holder (3-1) load, holder (3-1) flange and upper cover plate (9-2) load, proximity switch (3-3) is also equipped with at holder (3-1) middle part, by sensed position detection dish (3-4), to local control box (11) transferring drive main shaft circumference rotational position signal, transmission main shaft (3-2) head and 1E level electric device (1) load, main shaft epimere is provided with position detection dish (3-4), axle body is by locking nut (3-5), bearing plate (3-6), single direction thrust ball bearing (3-7), gland (3-8), upper axle bed (3-12) realizes axial restraint, axle body realizes radial location by axle sleeve (3-11), transmission main shaft (3-2) cylindrical be arranged on axle sleeve (3-11), O-ring seals (3-9) in upper axle bed (3-12) and gland (3-8), y-shaped ring (3-10) combined sealing structure realizes axial movable sealing, in transmission main shaft (3-2) lower flange and upper axle bed (3-12) bottom groove, sealing ring A(3-13 is set), sealing ring B(3-14), upper axle bed (3-12) flange and nuclear safe level case top lid plate (9-2) load, sealing gasket (3-15) is installed between faying face, in its chamber, axle sleeve (3-11) and y-shaped ring (3-10) are installed, O-ring seals (3-9) is installed in axle sleeve (3-11) groove, gland (3-8) flange and upper axle bed (3-12) top load, O-ring seals (3-9) is equipped with in junction, and install single direction thrust ball bearing (3-7) in gland (3-8) upper grooves, central slot is built with O-ring seals (3-9), described web-roll core assembly (4) comprises web-roll core framework (4-1), clamping web plate (4-2), screen pack (4-3), supports orifice plate (4-4), web-roll core framework (4-1) circumferentially forms several uniform chambers by top board (4-1-1), central tube (4-1-2), connecting ring (4-1-3), separation rib (4-1-4), base plate (4-1-5), and forms several uniform feed liquor vestibules between central tube (4-1-2) and base plate (4-1-5), web-roll core framework (4-1) and clamping web plate (4-2), screen pack (4-3), supports orifice plate (4-4) load after form the uniform filter chamber of several independences, and screen pack (4-3) uniform latus rectum is the fluid aperture of φ 0.1 ~ 0.6mm, fixed by clamping web plate (4-2) and support orifice plate (4-4), clamping web plate (4-2) with supporting, orifice plate (4-4) is also evenly equipped with the through flow hole of latus rectum >=φ 10mm, web-roll core (4) top top board (4-1-1) and the load of transmission main shaft (3-2) lower flange, adopt axle, cooperation location, hole between the two, the convex axle in web-roll core (4) bottom realizes radial location by Lower shaft sleeve (5-1), web-roll core framework (4-1) bottom and lower axle bed (5-4) groove in sealing ring C(5-5 is set), sealing ring D(5-6), described lower shaft holder assembly (5) comprises Lower shaft sleeve (5-1), sealing gasket (5-2), stifle (5-3), lower axle bed (5-4), sealing ring C(5-5), sealing ring D(5-6), Lower shaft sleeve (5-1) is arranged in lower axle bed (5-4) center lumen groove, lower axle bed (5-4) center lumen trench bottom and sealing gasket (5-2), stifle (5-3) load, lower axle bed (5-4) flange and middle ring flat-plate (9-3) load, several through-flow chambeies and 1 sewage draining exit region is provided with between lower axle bed (5-4) flange and center lumen groove, and sewage draining exit region is solid slab, shape is suitable with 1 independent web-roll core chamber with area, is provided with 1 blowdown through hole in the middle part of sewage draining exit region, described blow-off pipe assembly (6) comprises top seal pad (6-1), blowdown connection (6-2), blowdown connection (6-2) upper flange and the bottom surface load of lower axle bed (5-4) sewage draining exit, blowdown connection (6-2) upper flange groove built with top seal pad (6-1), blowdown connection (6-2) lower flange and nuclear safe level housing (9) sewage draining exit load, described differential pressure measuring installation (8) comprise net after nuclear safe level instrument root valve (8-1), net after gauge pipe (8-2), net after 1E stage pressure table (8-3), 1E level differential pressure switch (8-4), net before nuclear safe level instrument root valve (8-5), net before gauge pipe (8-6), net before 1E stage pressure table (8-7), installation panel (8-8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761022.5U CN204337871U (en) | 2014-12-08 | 2014-12-08 | Nuclear safe level electric filtering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761022.5U CN204337871U (en) | 2014-12-08 | 2014-12-08 | Nuclear safe level electric filtering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204337871U true CN204337871U (en) | 2015-05-20 |
Family
ID=53221175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420761022.5U Expired - Fee Related CN204337871U (en) | 2014-12-08 | 2014-12-08 | Nuclear safe level electric filtering apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204337871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052771A (en) * | 2017-05-18 | 2017-08-18 | 江苏电力装备有限公司 | Heavy caliber secondary filter assembling rotation platform |
-
2014
- 2014-12-08 CN CN201420761022.5U patent/CN204337871U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052771A (en) * | 2017-05-18 | 2017-08-18 | 江苏电力装备有限公司 | Heavy caliber secondary filter assembling rotation platform |
| CN107052771B (en) * | 2017-05-18 | 2024-02-20 | 江苏电力装备有限公司 | Rotary platform for assembling large-caliber secondary filter screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204337871U (en) | Nuclear safe level electric filtering apparatus | |
| CN211624367U (en) | Valve capable of avoiding misoperation | |
| CN110208484B (en) | Intelligent circulating liquid discharge detection device | |
| CN215908394U (en) | Full-automatic regulating valve for boiler feed water bypass | |
| CN215232606U (en) | Pull-down type pollution discharge structure | |
| CN106861268A (en) | Self-cleaning water inlet filtering device of water heater and water heater | |
| CN206526578U (en) | A kind of brush automatic backwashing filter of Y types | |
| CN209309397U (en) | Counter flow stop device drainage arrangement | |
| CN2799039Y (en) | On-line full automatic filtering apparatus | |
| CN106178641A (en) | A kind of cooling fluid device utilizing pressure reduction blowdown | |
| CN209655330U (en) | A kind of production biomass boiler energy-saving appliance | |
| CN219796273U (en) | Pollution discharge regulating valve for boiler drum and header | |
| CN218913774U (en) | Stable butterfly valve with high strength | |
| CN219887050U (en) | Assembled deodorant drainage equipment | |
| CN218097870U (en) | Plastic turbine flowmeter | |
| KR200146376Y1 (en) | A family type small still water machine flowmeter | |
| CN208757067U (en) | A kind of effective water process self-cleaning filter for mitigating blocking | |
| CN213790186U (en) | Self-cleaning device for multi-medium sewage filter | |
| CN220853713U (en) | Electromagnetic flowmeter convenient to operation | |
| CN205479453U (en) | Filter welded ball valve | |
| CN213479349U (en) | Hydraulic control valve with accurate reading | |
| CN208719595U (en) | A kind of new and effective cooling tube | |
| CN219161384U (en) | Liquid flowmeter | |
| CN214040202U (en) | Water meter capable of stably counting | |
| CN216519778U (en) | Check valve for washing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20181208 |