1 Product overview
NL sludge pump ee single-stage single-suction centrifugal pump, kä ye kek looi aye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye Shell, pump seat, motor seat, wheel nuts are raw iron casting, corrosion resistance is better, processing process is convenient. Shell, pump seat, motor seat, wheel nuts are raw iron casting, corrosion resistance is better, processing process is convenient. Wheels are three single garden string curved leaves, choosing semi-closed wheels, and using forgeable iron, so high strength, corrosion resistant. Wheels are three single garden string curved leaves, choosing semi-closed wheels, and using forgeable iron, so high strength, corrosion resistant. A nɔgɔ ye baara kɛ, a nɔgɔ ye baara kɛ, a nɔgɔ ye baara kɛ. Në kë de kä ye kek tɔ̈ɔ̈u ku kä ye kek tɔ̈ɔ̈u, pump shaft ee carbon steel ye kek tɔ̈ɔ̈u ku ye kek tɔ̈ɔ̈u ku ye kek tɔ̈ɔ̈u. Kä ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi Pump ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ̈u ye tɔ̈ɔ Total machine length is available in various specifications, so that the use units can be chosen according to the purpose of use. Total machine length is available in various specifications, so that the use units can be chosen according to the purpose of use. Total machine length is available in various specifications, so that the use units can be chosen according to the purpose of use.
2 Kuen karen
1, NL type sludge pump, used in mining, paper making, printing, environmental protection, graphite, cloud mother, gold, ceramic, refining oil, oil, chemical, farm, salt field, iodine field, dyeing, brewing, food, chemical fertilizer, coking factory, building, marble factory, gold mine, sludge, flowing sand, mud pond, dirt pond, sludge liquid to suck concentrated sludge liquid, loading and suspended substances, can also be used as coal mine drainage and containing mud blocks.
2, vertical mud pump if with high pressure water pump, water gun combined, forming hydraulic mechanized earth engineering unit, can be used as a land flattening, river and pond of dredging, excavating and other small hydrological projects of digging and transportation, and city air defense projects, following projects. 2, vertical mud pump if with high pressure water pump, water gun combined, forming hydraulic mechanized earth engineering unit, can be used as a land flattening, river and pond of dredging, excavating and other small hydrological projects of dig
3, ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye
3 Model maana
4 Parametre luɔɔi
| Model | Rotational speed n ((r/min) |
Lɔɔr Q ((m3/h) |
Haŋ H (m) |
Efficiency (%) |
Motor Power ((Kw) |
| NL50-8 NL50A-8 |
1430 | 20-30 | 8-9 | 42 | 1.5 |
| NL50-12 NL50A-12 |
1430 | 25-38 | 12-14 | 41 | 3 |
| NL65-16 NL65A-16 |
1430 | 50-60 | 15-18 | 42 | 5.5 |
| NL76-9 NL76A-9 |
1430 | 50-70 | 9-10 | 59 | 3 |
| NL80-12 NL80A-12 |
1430 | 80-120 | 11-13 | 56 | 7.5 |
| NL100-16 NL100A-16 |
1430 | 80-100 | 15-17 | 61 | 15 |
| NL150-12 NL150A-12 |
1430 | 100-150 | 11-13 | 66 | 18.5 |
| NL150-16 NL150A-16 |
1430 | 120-180 | 15-20 | 65 | 22 |
5 NL Vertical Cement Slurry Pump Accessories List
|
Serial No |
Dɛɛr/dɛɛr wɛɛr |
NL, NLF, NW |
||
|
Namba |
Nomor |
Kommentar |
||
|
1 |
Web Cover |
1 |
1 |
|
|
2 |
Wheel nut |
2 |
1 |
|
|
3 |
Wheel |
3 |
1 |
|
|
4 |
Pump shell |
4 |
1 |
|
|
5 |
Pump Sit |
5 |
1 |
|
|
6 |
0-ye circle |
6 |
1 |
Mechanical sealing ye gël |
|
7 |
Oil sealing |
7 |
4 |
Mechanical sealing ye gël |
|
8 |
Axle Cover |
8 |
1 |
Mechanical sealing ye gël |
|
9 |
Kɔl jiiɛn |
9 |
1 |
|
|
10 |
Pump axis |
10 |
1 |
|
|
11 |
Bearing |
11 |
2 |
|
|
12 |
Active Coupling |
12 |
1 |
|
|
13 |
Active Coupling |
13 |
1 |
|
|
14 |
Links |
14 |
1 |
|
|
15 |
Bearing Sit |
15 |
2 |
|
|
16 |
Axle konneksiyon |
16 |
1 |
|
|
17 |
Supporting cylinder |
17 |
2 |
|
|
18 |
Bearing Cover |
18 |
1 |
|
|
19 |
Active Coupling |
19 |
1 |
|
|
20 |
Motor Seat |
20 |
1 |
|
|
21 |
Motɛr C |
21 |
1 |
Tɛ̈n Fixed Plate |
|
22 |
Active Coupling |
22 |
1 |
|
|
23 |
Motor |
23 |
1 |
|
|
24 |
Elastic block |
24 |
1 |
|
6 NL Cement Slurry Pump Installation Map
7 Installation and Removal (Lɔ̈k kɛnɛ luɔ̈k)
(a) Gɛɛr
1, cɔl electroplatium wala facet plate, piyi piyi.
2, ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ
3, ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r
4, ye pump seat ku support cylinder bolt ye tɔ̈ɔ̈u, ka bɛ̈n ya tɔ̈ɔ̈u.
5. Gɛlɛ kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r.
(2) Installation
1, tɛ̈n yenë kä ye kek looi bɛ̈n ya tɛ̈n yenë kek ya tɛ̈n yenë kek ya tɛ̈n yenë kek ya tɛ̈n yenë kek ya tɛ̈n yenë kek ya tɛ̈n yenë kek ya tɛ̈n yenë
2, skeleton oil seal must be filled with butter after placing in the pump seat, and then loading the bearing. 2, skeleton oil seal must be filled with butter after placing in the pump seat, and then loading the bearing.
3, ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u
4, tɔ̈ɔ̈u në motor seat, tɔ̈ɔ̈u në paper mat, tɔ̈ɔ̈u në oil ring, tɔ̈ɔ̈u në shaft ku tɔ̈ɔ̈u në support cylinder ku tɔ̈ɔ̈u në screw.
5, tɔ̈ɔ̈u paper mat, tɔ̈ɔ̈u bearing, shaft cover, key, pump seat and wheel, rotate the wheel nut after rotating the wheel nut with hand, rotate the flexible.
6, tɔ̈ɔ̈u paper mat ku tɔ̈ɔ̈u pump shell, tɔ̈ɔ̈u screw ku tɔ̈ɔ̈u filter. O kɔ̈k, aw bɛ rot dɔ̈ɔ̈r la aw bɛ rot dɔ̈ɔ̈r la aw bɛ rot dɔ̈ɔ̈r la aw bɛ rot dɔ̈ɔ̈r.
7, ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r Ka tɛmɛ yen, a ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen.
8 Wël kɔ̈k tɔ̈u
1, ye pomp kënë luɔ̈ɔ̈i de riɛl adhil bï ya 3-phase 4-wire system, ye tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ Tɛ̈n yen luui thïn, a wïc bï a tɔ̈ɔ̈u në ɣän thiin koor yiic, bï a tɔ̈ɔ̈u në ɣän thiin koor yiic. Ka tɔ̈ɔ̈u, bï motor ya tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u.
2, ye pomp kënë luɔ̈ɔ̈i ka cïn kë wïc bï ya tɔ̈ɔ̈u në kë de kä ye kek tääu thïn, ka lëu bï ya luui në kë de kä ye kek tääu thïn, ka lëu bï ya tɔ̈ɔ̈u në kë de kä ye Ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ.
3, të cenë kä juëc ye kek tɔ̈ɔ̈u thïn, ye kek tɔ̈ɔ̈u thïn, ye kek tɔ̈ɔ̈u thïn, ye kek tɔ̈ɔ̈u thïn, ye kek tɔ̈ɔ̈u thïn, ye kek tɔ̈ɔ̈u thïn, ye kek tɔ̈ɔ̈u thïn, ye kek tɔ̈ɔ̈u thïn.
4. Pump body, ka bɛ̈n ya tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka t
5, të cenë yen luui në ɣän kɔ̈k peei yiic, motɛr adhil bɛ̈n ya tɔ̈ɔ̈u në kë bï riɛl ya tɔ̈ɔ̈u në motɛr yic.
6, tɛ̈n yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen
7, pomp kënë ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye tɛɛr ye A ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ.
8, pomp kënë ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈
9, ye luui në kaam de 1250 hours, ye pomp ya tɔ̈ɔ̈u në kaam de kaam, ye pomp ya tɔ̈ɔ̈u në kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de kaam de Lëk ba tɛ̈n yenë yïn tɛ̈n yenë yïn tɛ̈n yenë yïn tɛ̈n yenë yïn tɛ̈n yenë yïn tɛ̈n yenë yïn (Pump ye tɔ̈ɔ̈u në luɔɔi ye tɔ̈ɔ̈u në luɔɔi ye tɔ̈ɔ̈u në luɔɔi ye tɔ̈ɔ̈u në luɔɔi ye tɔ̈ɔ̈u në luɔɔi ye tɔ̈
10, të cenë a tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u
9 NL Vertical Cement Slurry Pump FAQs
|
Fɛɛnɛm |
Lɛɛr |
Metode de exclusion |
| Ka tɛmɛ ka tɛmɛ |
1, kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl. 2, Voltage ye tɔ̈u. 3, ka tɛ̈ɛ̈r ye tɛ̈ɛ̈r ye tɛ̈ɛ̈r ye tɛ̈ɛ̈r ye tɛ̈ɛ̈r ye tɛ̈ɛ̈r ye tɛ̈ɛ̈r ye tɛ̈ɛ̈r 4, kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl 5, kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl ye kɛl 6, a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl 7, ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl. |
1, tïŋ fuse ku wiring, ku waar. 2, ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ. 3, ka cɛ̈ɛ̈k ye cɛ̈ɛ̈k ye cɛ̈ɛ̈k ye cɛ̈ɛ̈k ye cɛ̈ɛ̈k ye cɛ̈ɛ̈k ye 0.5 mm. 4, ye kä kɔ̈k tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u. 5.Re-assemble, bɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r. 6, tɔ̈ɔ̈u keys ku screws. 7, gɛɛr keys. |
| Load dɔ |
1, pump bɛ̈ɛ̈i tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u 2, concentricity change, bearing damage, shaft deformation. 3, ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot. 4, ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n. |
1, ye kɛ̈ɛ̈r kɔ̈k, ka kɛ̈ɛ̈r kɔ̈k yiic. 2, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi, kä ye kek looi. 3, rot motor ye waar. 4, ye tɛ̈n bɛ̈n tɔ̈ɔ̈u në kaam juëc yiic. |
| Traffic dɔ̈ŋ |
1, tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈ 2, tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n. 3, motor rotating speed is lower than rated rotation speed. 3, motor rotating speed is lower than rated rotation speed. 3, motor rotating speed is lower than rated rotation speed. 3, motor rotating speed is lower than rated rotation speed. 4, rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot. 5, ye dɔ̈ɔ̈r dɔ̈ɔ̈r, ye dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r. 6. Lɔ̈ɔ̈m dɛ̈t. 7, ye yic dɔŋ. 8, kä juëc tɔ̈u yen. 9, ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc. |
1, ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye 2, tɛmɛ pip, bɛ kä ye kɛ̈ɛ̈k yiic. 3, motor ye rot looi. 4, ye rot waar. 5, ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n 6, rot motor ye waar. 7, check the leakage cause, and replace another thing that caused the leakage. 7, check the leakage cause, and replace another thing that caused the leakage. 7, check the leakage cause, and replace another thing that caused the leakage. 8. Gäm kä kɔ̈k. 9, ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc |
| Gɛɛr kɛnɛ vibration |
1, kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r 2. Bearing acï bɛ̈n cɔk wala ka tɔ̈u piny. 3, pump shaft and motor do not have heart, shaft curved. 3, pump shaft and motor do not have heart, shaft curved. 3, pump shaft and motor do not have heart, shaft curved. 4, a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a cɔl a c. 5, kä juëc tɔ̈u thïn. 6, kä ril tɔ̈ në luɔɔi de luɔɔi. 7, fiir bɛ̈n tɔ̈ɔ̈u. 8, tɛmɛ ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r. |
1, tïŋ pomp ye kek tɔ̈ɔ̈u ku lɔ̈ɔ̈m. 2, ye bearing ye waar wala ye fuel ye tääu. 3, ye kɛ̈ɛ̈r, ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r. 4, ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye. 5, ye kä kɔ̈k tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u tɔ̈ɔ̈u. 6, control pump waste scale, encryption filter. 7, ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye. 8, ka tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ. |
10 Lëk ordering
1, ye pump ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r ye cɛ̈ɛ̈r
2. Na cï rot looi në luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔ
3, të cenë yen luɔ̈ɔ̈i thïn ka thiin koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor koor
