125QJR Duboka potopna pumpa

Suitable for underground hot water mining with water temperature below 100°C, with heat resistance, corrosion resistance, aging resistance and other characteristics

This product is a powerful three-phase AC 380V (tolerance ± 5%), 50HZ (tolerance ± 1%) electric pump, suitable for all kinds of occasions need high-power pump. Its design considers a variety of water quality factors, including water temperature not higher than 20 °C, solid impurities content is not greater than 0.01%, PH value is 6.5-8.5, hydrogen sulfide content is not greater than 1.5mg/L, chloride ion content is not greater than 400mg/L, etc. The product adopts a closed or water immersion wet structure of the motor, before use in the submersible motor chamber filled with clean water to prevent empty fill. Requirements in strict accordance with the requirements of the matching cable and equipped with external overload protection device. To ensure stable operation, the submersible pump must be completely immersed in water operation, the insertion depth shall not exceed 70 meters, and the distance from the bottom of the well shall not be less than 3 meters. In addition, the pump shall not be a no-load test before start. In general, this product has the characteristics of high efficiency and stability, suitable for a variety of pump tasks in harsh environment.

1, well submersible pump for clean water pump, prohibit the new well, pumping sediment and muddy water,

2, well water pump voltage grade of 380/50HZ, the use of other voltage grades of submersible motors need to be customized. The underground cable must use waterproof cable, must be equipped with starting equipment, such as distribution box, start not ready should have commonly used motor comprehensive protection function, such as short circuit overload protection, phase protection, undervoltage protection, grounding protection, idling protection, in case of abnormal conditions, the protection device should be timely action trip.

3, the installation and use of the pump must be reliably grounded, prohibit the push and pull switch when the hands and feet are wet, the installation and maintenance of the pump must be cut off the power supply, the use of the pump place to set up "to prevent electric shock" obvious signs:

4, down the well or before installation, the motor cavity must be filled with distilled water or non-corrosive clean cold boiling water, tighten the / water bolt, the pump on the ground test run, must be to the pump chamber water lubrication rubber bearings, instant start not more than a second, see whether the steering is the same as the steering instructions. When the pump is upright, pay attention to safety, prevent overturning injury.

5, strictly according to the provisions of the pump lift, flow range of use, to prevent low flow or high lift pumping force, the thrust bearing and other parts of the wear, the motor overload burned 6, after the pump down the well, the measurement of the motor to the ground insulation resistance should not be less than 100M, after the start to observe the voltage and current, check the motor winding insulation, whether in line with the requirements; pump storage location temperature if less than freezing point, should be dry the water in the motor cavity, prevent the motor cavity water ice damage caused by low temperature.

The pump parts are mainly composed of pump shaft, impeller, shunt shell, rubber bearing, check valve body (optional) and other components. The motor part is mainly composed of base, pressure regulating diaphragm, thrust bearing, thrust plate, lower guide bearing seat, stator, rotor, upper guide bearing seat, sand discharging ring, water inlet section, lead cable and other components. The motor is a water-filled submersible three-phase asynchronous motor, which is filled with water to cool the motor and lubricate the bearing. The pressure regulating diaphragm at the bottom is used to adjust the difference in internal water expansion and contraction pressure caused by the temperature rise of the motor. In order to prevent the sand in the well water from entering the motor, two oil seals are installed at the upper end of the motor shaft extension, and a sand discharging ring is installed to form a sand discharging structure. In order to prevent the pump shaft from jumping when starting, the pump shaft is connected with the motor shaft through a coupling, and a thrust bearing is installed at the lower part of the motor. The lubrication of the motor and the pump bearing is water lubrication. The stator winding of the motor adopts high quality submersible motor winding wire, with high insulation performance. The pump adopts computer CAD design, with simple structure and excellent technical performance.

(1)Priprema prije instalacije:
1. Provjerite da li potopljena pumpa ispunjava uslove upotrebe i opseg koji je naveden u priručniku.
2. Koristeći teški predmet sa prečnikom jednakim maksimalnom spoljašnjem prečniku potopljene pumpe, izmerite da li unutrašnji prečnik bušotine može da stane na potapajuću pumpu i izmerite da li dubina bunara ispunjava zahteve za instalaciju.
3. Provjerite da li je bušotina čista i da li je voda zamućena. Nikada nemojte koristiti potapajuću električnu pumpu za pranje blata i pijeska vode iz welor pumpe kako biste izbjegli prijevremeno oštećenje potopljene električne pumpe.
4. Provjerite da li je položaj stezaljke za ugradnju uglavka prikladan i da li može izdržati kvalitet cijele jedinice
5. Provjerite jesu li komponente potopljene pumpe kompletne i pravilno instalirane prema dijagramu montaže u priručniku. Uklonite filterski zaslon i okrenite spojnicu da vidite da li se fleksibilno okreće
6. Odvrnite zavrtanj za vodu i napunite šupljinu motora čistom, nekorozivnom vodom (napomena. obavezno je napunite), a zatim zategnite vodeni vijak. Nakon 12 sati ubrizgavanja vode, otpor izolacije motora ne smije biti manji od 150M Q kada se mjeri pomoću stola za tresenje od 500V.
7. Kablovski spoj, odseći gumenu navlaku od 120 mm sa jednog kraja izlaznog kabla i odgovarajući kabl električarskim nožem, zatim zateturati dužinu tri žične žice u stepenastom obliku, odlepiti bakreno jezgro od 20 mm, ostrugati oksid nožem ili pješčanom krpom nanesite sloj sa vanjske strane bakrene žice i spojite dva spojena kraja žice u parove. Nakon što ste sloj čvrsto vezali finom bakarnom žicom, dobro i čvrsto zalemite i pobrusite bilo koji. neravnine na površini. Zatim, za tri spoja, upotrijebite polivestersku izolacijsku traku da ih umotate na polusložen način za tri lavaboa. Zamotajte dva kraja omotača čvrsto nyion koncem, a zatim upotrijebite polusloženu metodu da omotate traku za tri sloja. Omotajte vanjski sloj visokotlačnom izolacijskom trakom u tri sloja. Konačno, presavijte tri niti i više puta ih omotajte u pet slojeva trakom pod visokim pritiskom. Svaki sloj mora biti čvrsto vezan, a međuslojni spojevi moraju biti čvrsti i čvrsti kako bi se spriječilo prodiranje vode i oštećenje izolacije. Nakon umotavanja, potopiti u vodu na sobnoj temperaturi od 20°C 12 sati i izmjeriti otpor izolacije pomoću stola za protresanje. , koji ne bi trebao biti manji od 100M Ω

Priloženi dijagram procesa ožičenja kablova je sljedeći:

8. Pomoću multimetra provjerite da li su trofazne žice povezane i da li je DC otpor približno izbalansiran.
9. Provjerite da li su strujni krug i kapacitet transformatora preopterećeni, a zatim priključite prekidač za zaštitu od preopterećenja ili opremu za pokretanje. Pogledajte tabelu 2 za određene modele, a zatim ulijte kantu vode u pumpu za vodu iz izlaza pumpe za vodu da podmažite gumene ležajeve u pumpi, a zatim postavite potopljenu električnu pumpu uspravno i mirno. Pokrenite (ne više od jedne sekunde) i provjerite da li je smjer upravljanja u skladu sa znakom za upravljanje. Ako ne, zamijenite bilo koja dva konektora trofaznog kabla. Zatim instalirajte filter i pripremite se za spuštanje u bunar. Ako se koristi u posebnim prilikama (kao što su rovovi, jarci, rijeke, bare, bare, itd.), električna pumpa mora biti pouzdano uzemljena.

(2) Oprema i alati za instalaciju:
1. Jedan par lanaca za podizanje za više od dvije tone.
2. Stativ sa vertikalnom visinom ne manjom od četiri metra.
3. Dva viseća užad (žičana užad) koja mogu podnijeti težinu veću od jedne tone (mogu podnijeti težinu kompletne pumpe za vodu).
4. Ugradite dva para stezaljki (udlage).
5. Ključevi, čekići, odvijači, električni alati i instrumenti, itd.

(3) Instalacija električne pumpe:
1. Instalacioni dijagram potopljene električne pumpe prikazan je na slici 2. Specifične instalacijske dimenzije prikazane su u tabeli 3 "Lista instalacionih dimenzija potopljene električne pumpe".

2. Potopne električne pumpe sa naponom manjim od 30 metara mogu se dizati direktno u bunar pomoću crijeva i žičanih užadi ili drugih užadi od konoplje koja mogu podnijeti punu težinu cijele mašine, vodovodnih cijevi i vode u cijevima.

3. Pumpe sa naponom većim od 30 metara koriste čelične cijevi, a redoslijed ugradnje je sljedeći:
①Upotrijebite stezaljku da pričvrstite gornji kraj dijela pumpe za vodu (motor i pumpa za vodu su u ovom trenutku spojeni), podignite ga visećim lancem i polako ga vežite za bunar dok ne postavite stezaljku na vrh bunara i uklonite viseći lanac.
② Upotrijebite još jedan par stezaljki da stegnete cijev, podignite je lancem za vješanje 15 cm dalje od prirubnice i polako spustite. Između prirubnice cijevi i prirubnice pumpe Postavite gumenu podlogu na mjesto i zategnite cijev i pumpu ravnomjerno vijcima, maticama i opružnim podloškama.
③ Lagano podignite potapajuću pumpu, uklonite stezaljku na gornjem kraju pumpe za vodu, zavežite kabel čvrsto za cijev za vodu plastičnom trakom i polako je zavežite dok se stezaljka ne postavi na vrh bunara.
④Upotrijebite istu metodu za vezivanje svih vodovodnih cijevi u bunar.
⑤Nakon što je izlazni kabel spojen na kontrolnu sklopku, spaja se na trofazno napajanje.

(4) Stvari na koje treba obratiti pažnju prilikom instalacije:
1. Ako se tokom procesa pumpanja pronađe pojava zaglavljivanja, okrenite ili povucite cijev za vodu da biste savladali tačku zaglavljivanja. Ako razne mjere i dalje ne daju rezultate, molimo vas da nemojte silom pritiskati pumpu kako biste izbjegli oštećenje potapajuće električne pumpe i bunara.
2. Tokom ugradnje, gumeni jastučić treba postaviti na prirubnicu svake cijevi i ravnomjerno zategnuti.
3. Kada se pumpa za vodu spusti u bunar, treba je postaviti na sredinu cijevi bunara kako bi se spriječilo da pumpa dugo radi o zid bunara, uzrokujući vibriranje pumpe, a motor da briše i gori .
4. Odredite dubinu pumpe za vodu do dna bunara u skladu sa uslovima protoka peska i mulja u bunaru. Nemojte zakopavati pumpu u blato. Udaljenost od pumpe za vodu do dna bunara općenito nije manja od 3 metra (vidi sliku 2).
5. Dubina ulaza vode u pumpu za vodu ne bi trebala biti manja od 1-1,5 metara od dinamičkog nivoa vode do ulaznog čvora vode (vidi sliku 2). U suprotnom, ležajevi pumpe za vodu mogu se lako oštetiti.
6. Podizanje vodene pumpe ne smije biti prenisko. U suprotnom, na cevovodu za vodu na ušću bunara potrebno je instalirati zasun za kontrolu protoka pumpe na nazivnoj tački protoka kako bi se sprečilo preopterećenje i izgorevanje motora usled velikih brzina protoka.
7. Kada pumpa za vodu radi, izlaz vode treba da bude kontinuiran i ravnomeran, struja treba da bude stabilna (pod nominalnim radnim uslovima, generalno ne više od 10% nazivne struje), i ne bi trebalo da bude vibracija ili buke. Ako postoji bilo kakva abnormalnost, mašinu treba zaustaviti kako bi se otkrio uzrok i otklonio ga.
8. Prilikom ugradnje obratite pažnju na podešavanje žice za uzemljenje motora (pogledajte sliku 2). Kada je cijev za vodu čelična cijev, vodite je od stezaljke na glavi bunara; kada je cijev za vodu plastična cijev, vodite je od oznake uzemljenja električne pumpe.

• （1）With the continuous development of modern technology, submersible pumps play a crucial role in the field of pumps. After installing the submersible pump, check the insulation resistance and three-phase continuity repeatedly to ensure that there are no errors in the connection between the instrument and the starting equipment. If everything is normal, the test equipment can be started. After starting, observe whether the indication readings of each instrument are correct. If the rated voltage and current specified on the nameplate are exceeded, pay attention to observe whether the pump has any noise or vibration. If everything is normal, it can be put into operation. After the pump runs for four hours for the first time, it should be closed and the thermal insulation resistance of the motor should be tested quickly, and its value should not be less than 0.5 megaohms. After stopping the pump, restart it after five minutes to prevent the water column in the pipeline from completely reversing, resulting in the motor burning due to overcurrent. After the pump is running normally, in order to prolong its service life, it is necessary to check regularly whether the supply voltage, working current and insulation resistance are normal. If the following conditions are found, the equipment should be shut down immediately to troubleshoot. The current exceeds 20% under the rated working conditions; the dynamic water level drops to the inlet section, resulting in intermittent drainage; the submersible pump vibrates violently or makes noisy sounds; the supply voltage is lower than 340 volts; any fuse is broken; the water pipe is damaged; The thermal insulation resistance between the motor and the ground is less than 0.5 megaohm.These recommended operating procedures and safety measures ensure the safe operation of the submersible pump, prolong the service life of the equipment, and provide users with a reliable pump choice.
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• （2）Unit disassembly:
• 1 untie the cable tie, remove the pipeline part, remove the wire plate.
• 2 unscrew the water release bolt, put the water in the motor chamber.
• 3 remove the filter, loose the fixing screw of the motor shaft on the coupling.
• 4 unscrew the bolt connecting the water inlet section with the motor, and separate the pump from the motor (pay attention to the unit cushion when separating, to prevent the bending of the pump shaft)
• 5 the disassembly sequence of the pump is: (see figure 1) water inlet section, impeller, diversion shell, impeller...... check valve body, when removing the impeller, use special tools to loosen the conical sleeve of the fixed impeller first, and avoid bending the pump shaft and various bumps in the disassembly process.
• 6 the disassembly process of the motor is: (see figure 1) place the motor on the platform, and remove the nut, base, shaft head lock nut, thrust plate, key, lower guide bearing seat, double head bolt from the bottom of the motor in turn. Then take out the rotor (pay attention not to damage the wire package) and finally remove the connecting section and upper guide bearing seat.
• 7 unit assembly: Before assembly, the rust and dirt of the parts should be cleaned, and the mating surfaces and fasteners should be coated with sealant. Then they should be assembled in the reverse order of disassembly (the up and down momentum of the motor shaft is about 1 mm after assembly). After assembly, the coupling should be flexible, and then the filter screen test machine.
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• （3）The submersible pump should be dismantled and repaired according to Article 5 for each operation year, or less than one year, but the submersible time has reached two years, and the worn parts should be replaced.

 1, izbacite vodu iz šupljine motora (posebno zimi da spriječite smrzavanje motora) i dobro zavežite kabel.

 2, čuvati u zatvorenoj prostoriji bez korozivnih materija i gasova, na temperaturi ispod 40 °C.

 3, dugotrajna upotreba treba obratiti pažnju na sprječavanje hrđe potopljenih pumpi.

01 Duboki zahvat vode iz bunara

02 Visoko vodosnabdijevanje

03 planinski vodovod 

04 toranj voda

05 Poljoprivredno navodnjavanje

06 navodnjavanje vrta

07 vodozahvat rijeke

08 kućna voda