ZW自吸无堵塞排污泵

Please carefully read the operation instructions before use of the product. Operation installation ZW Series Self-suction Type Non-clogging Sewage Pump 13661725188 CONTENTS General, Range of application Model meaning, About the structure Brief diagram of structure Model spectrum Table of performance parameters Diagram and table of out-formand installation dimensions Diagram and table of flange dimension Pump installation Use of the pump Maintenance, disassembly and assembly of the pump Failures causes and troubleshooting 01 02 03 04 05 06 07 08 09-10 11 12 13661725188 ¸ Å Ê ö GENERAL A new style product successfully developed on the basis of the repeated research on the same know-how of both at home and abroad. This pump integrates self-suction and non-clogging and uses axial-back flow outside-mixing type and, through the unique design of both pump casing and impeller geat, needs not to mo unt a foo t valve a nd prim e the leading water just like the common self-suction pure water pump and also can pump the liquid containing the solid of big grains and long fiber impurities. Compared with the same domestic products, this pump features a simple structure, good self-suction performance, strong sewage draining capacity, high efficiency, energy saving and easy use and repair, with every technical performance index of it ranking first nationally among the sewage pump series products and up to the world advanced level, and holds a wide applicable market and progressive future. ZW ZW 50 80 200 PH 6-9 2-13 31240kg/m 4.5-5.5 10 60% 5 Ó ¦ Ó Ã · ¶ Î § RANGE OF APPLICATION Suitable for the sewage project in the municipal works, river aquaculture, light industry, paper-making, textile, food, chemical industry, power industry etc. and as t he most ideal impurity pump to pump fiber, pulpy, mixed and suspended chemical media. For this pump, the ambient temperature 50 , the me- dium temperature 80 , which can be up to 200 in case of a special requirement; as of the PH value of the media, cast iron 6.9, stainless steel 2.13; the medium gravity is not 3over 1240kg/m ; the self-suction height is not over the set value 4.5-5.5m, the length of suck-in pipe 10m; as of the passing capacity, the suspended grains' diameter is 60% of the pump aperture and the long fiber is 5 times that of the pump aperture. 01 ZW SERIES SELF-SUCTION TYPE NON-CLOGGING SEWAGE PUMP 13661725188 02 ½ á ¹ ¹ Ë µ Ã ÷ ABOUT THE STRUCTURE This pump consists of pump casing, impeller, rear cover, mechanical seal, shaft, bearing seat, inlet valve, air-liquid se- parating pipe, water filling valve, inlet and drain- out nipples etc. A liquid storing cavity is set inside of the pump casing and connected to the working cavity through the back-flow hole on the upper and the cycling hole on the lower to form the axial-back flow outside mixing type system of the pump. Liquid of a certain volume has been stored in the storing ca- vity after the pump stops working and, under the action of the impeller when the pump starts, is thrown out upwards with air and then flows back to the working cavity through the grids of the air-liquid separating pipe, the air is exhausted out of the pump to have a certain vacuum formed inside of the pump so as to get the self-suction action. ZW ( ) ( ) (m) 3(m /h) (mm) Explosion-proof motor (common one if without) Stainless steel material (cast iron if without) Rated head Rated flow Diameter of the inlet Self-suction non-clogging sewage pump Ð Í º Å Ò â Ò å MODEL MEANING ZW 50 - 15 - 30 P B 13661725188 ZW SERIES SELF-SUCTION TYPE NON-CLOGGING SEWAGE PUMP 13 14 15 16 9 10 11 12 5 6 7 8 ½ á ¹ ¹ ¼ ò Í ¼ BRIEF DIAGRAM OF STRUCTURE Inlet nipple Inlet flange Inlet valve seat Water filling bolt Impeller Mechanical seal Water baffle Bearing seat Outlet nipple Pump casing Air-liquid separating pipe Rear cover Pump shaft Bearing cover Bottom cover-plate Oral ring 1 2 3 4 03 04 Ð Í Æ × Í ¼ MODEL SPECTRUM ZW SERIES SELF-SUCTION TYPE NON-CLOGGING SEWAGE PUMP Ð Ô Ä Ü ² Î Ê ý ± í TABLE OF PERFORMANCE PARAMETERS Model 8 5 10 9 10 20 15 10 20 15 20 30 25 25 40 65 40 40 25 65 80 80 50 100 80 100 100 120 180 180 180 180 280 280 420 800 ZW25-8-15 32-5-20 32-10-20 32-9-30 40-10-20 40-20-15 40-15-30 50-10-20 50-20-12 50-15-30 50-20-35 65-30-18 65-25-30 65-25-40 65-40-25 65-65-25 80-40-16 80-40-25 80-25-40 80-65-25 80-80-35 80-80-35 80-50-60 100-100-15 100-80-20 100-100-20 100-100-30 125-120-20 150-180-14 150-180-20 150-180-30 150-180-38 200-280-14 200-280-28 250-420-20 300-800-14 ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW 15 20 20 30 20 15 30 20 12 30 35 18 30 40 25 25 16 25 40 25 35 35 60 15 20 20 30 20 14 20 30 38 14 28 20 14 2900 2900 2900 2900 2900 2900 2900 2900 2900 2900 2900 1450 2900 2900 2900 2900 1450 2900 2900 2900 2900 1450 2900 1450 1450 1450 2900 1450 1450 1450 1450 1450 1450 1450 1450 1450 1.5 2.2 2.2 3 2.2 2.2 3 2.2 2.2 3 5.5 4 5.5 7.5 7.5 7.5 4 7.5 7.5 7.5 15 15 22 7.5 7.5 11 22 15 15 22 37 55 22 55 55 55 45 45 45 48 45 45 48 45 45 48 48 45 50 50 50 52 50 50 50 52 45 50 55 50 53 53 53 55 60 60 65 45 65 55 61 65 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.0 5.5 5.5 5.5 5.5 5.5 5.0 5.5 5.5 5.5 5.5 5.5 5.5 5.0 5.0 5.0 5.0 5.2 4.5 4.5 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 3 2 2 2 3 2 3 3 3 3 2 2 3.5 3 3 3.5 3 3 2.5 2.5 100 100 100 120 100 100 120 100 100 120 150 200 200 200 200 240 240 200 200 240 285 450 340 300 300 340 510 500 500 570 680 800 700 940 1150 1400 2.0 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 4.0 4.0 4.0 4.0 4.5 5.0 5.0 5.0 5.0 5.0 4.8 6.0 6.0 Flow 3(m /h) Speed (r/min) Head (m) Power (kW) Eff. (%) NPSHr (m) Self-suction height (m) Self-suction time (min/5m) Weight (kg) 05 06 Model L L1 L2 L3 L4 a f B1 B2 H h1 h2 h3 n d ZW25-8-15 32-5-20 32-10-20 32-9-30 40-10-20 40-20-15 40-15-30 50-10-20 50-20-12 50-15-30 50-20-35 65-30-18 65-25-30 65-25-40 65-40-25 65-65-25 80-40-16 80-40-25 80-25-40 80-65-25 80-80-35 80-80-35 80-50-60 100-100-15 100-80-20 100-100-20 100-100-30 125-120-20 150-180-14 150-180-20 150-180-30 150-180-38 200-280-14 200-280-28 250-420-20 300-800-14 ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW ZW 850 850 850 890 850 850 890 850 850 890 980 1040 1230 1230 1165 1300 1040 1165 1230 1300 1300 1365 1360 1230 1230 1320 1650 1600 1600 1580 1690 1920 1920 2020 2180 2580 680 680 680 710 680 680 710 680 680 710 750 760 850 850 850 940 760 850 850 940 1020 1180 1020 920 920 1020 1300 1170 1170 1300 1370 1570 1470 1570 1600 1880 115 115 115 130 115 115 130 115 115 130 125 135 135 135 135 150 135 135 135 150 190 190 190 140 140 200 320 175 175 200 235 245 270 245 325 300 450 450 450 450 450 450 450 450 450 450 450 500 580 580 580 640 500 580 580 640 640 640 640 630 630 625 730 820 820 730 800 1080 970 1080 950 1280 240 240 240 240 240 240 240 240 240 240 240 340 340 340 340 350 340 340 340 350 360 330 400 375 375 420 480 450 450 500 500 400 520 500 720 800 255 255 255 260 255 255 260 255 255 260 250 350 350 350 350 350 350 350 350 350 350 370 350 400 400 400 460 510 510 490 490 490 650 650 800 1030 510 510 510 510 510 510 510 510 510 510 480 650 700 700 650 700 650 650 700 700 700 760 650 730 730 730 900 880 880 870 870 870 1090 1090 1330 1500 310 310 310 310 310 310 310 310 310 310 380 380 370 370 370 430 380 370 370 430 450 480 450 450 450 450 480 480 480 480 520 580 520 580 610 610 370 370 370 370 370 370 370 370 370 370 450 450 520 520 430 485 450 430 520 485 520 540 590 510 510 510 550 540 540 550 600 660 565 660 670 655 228 228 228 238 228 228 238 228 228 238 238 265 270 270 265 270 265 265 270 270 270 350 280 330 330 330 330 330 330 350 350 350 350 350 430 530 41 41 41 41 41 41 0 0 0 410 0 0 410 0 410 410 410 485 480 480 485 480 485 485 480 480 480 600 495 630 630 630 570 665 650 700 700 700 700 700 800 900 625 625 625 630 625 625 630 625 625 630 630 760 720 720 760 720 760 760 720 720 720 890 770 920 920 920 870 990 990 1030 1030 1020 1090 1090 1200 1350 24 24 24 24 24 24 24 24 24 24 24 25 25 25 25 25 25 25 25 25 25 25 25 28 28 28 30 30 30 30 30 30 30 30 30 30 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 23 4 23 4 23 4 23 4 23 4 23 4 23 4 23 4 23 4 23 4 23 4 23 4 23 4 23 4 23 4 23 Í â Ð Î ¼ ° ° ² × ° ³ ß ´ ç Í ¼ ± í DIAGRAM AND TABLE OF OUT-FORM AND INSTALLATION DIMENSIONS ZW SERIES SELF-SUCTION TYPE NON-CLOGGING SEWAGE PUMP · ¨ À ¼ ³ ß ´ ç Í ¼ ¼ ° ³ ß ´ ç ± í DIAGRAM AND TABLE OF FLANGE DIMENSION ZW25-8-15 ZW32-5-20 ZW32-10-20 ZW32-9-30 ZW40-10-20 ZW40-20-15 ZW40-15-30 ZW50-10-20 ZW50-20-12 ZW50-15-30 ZW50-20-35 ZW65-30-18 ZW65-25-30 ZW65-25-40 ZW65-40-25 ZW65-65-25 ZW80-40-16 ZW80-40-25 ZW80-25-40 ZW80-65-25 ZW80-80-35 ZW80-80-35 ZW80-50-60 ZW100-100-15 ZW100-80-20 ZW100-100-20 ZW100-100-30 ZW125-120-20 ZW150-180-14 ZW150-180-20 ZW150-180-30 ZW150-180-38 ZW200-280-14 ZW200-280-28 ZW250-420-20 ZW300-800-14 25 32 32 32 40 40 40 50 50 50 50 65 65 65 65 65 80 80 80 80 80 80 80 100 100 100 100 125 150 150 150 150 200 200 250 300 100 120 120 120 130 130 130 140 140 140 140 160 160 160 160 160 190 190 190 190 190 190 190 210 210 210 210 240 265 265 265 265 320 320 375 435 75 90 90 90 100 100 100 110 110 110 110 130 130 130 130 130 150 150 150 150 150 150 150 170 170 170 170 200 225 225 225 225 280 280 335 395 60 70 70 70 80 80 80 90 90 90 90 110 110 110 110 110 125 125 125 125 125 125 125 145 145 145 145 175 200 200 200 200 255 255 310 362 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 15 15 15 15 15 15 15 15 15 15 15 20 20 20 20 20 22 22 24 24 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 4 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 4 18 8 18 8 18 8 18 8 18 8 18 8 18 8 18 12 18 12 23 25 32 32 32 32 32 32 40 40 40 40 65 65 65 65 65 65 65 65 65 65 65 65 80 80 80 80 125 125 125 125 125 150 150 200 250 100 120 120 120 120 120 120 130 130 130 130 160 160 160 160 160 160 160 160 160 160 160 160 190 190 190 190 240 240 240 240 240 265 265 320 375 60 70 70 70 70 70 70 80 80 80 80 110 110 110 110 110 110 110 110 110 110 110 110 125 125 125 125 175 175 175 175 175 200 200 255 310 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 15 15 15 15 20 20 20 20 20 20 20 22 24 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 14 4 18 4 18 4 18 4 18 8 18 8 18 8 18 8 18 8 18 8 18 8 18 8 18 12 18 Dimension of the flange at suck-in port Dimension of the flange at drain-out port DN1 D1 D11 d1 b1 f1 n1-d01 DN2 D2 d12 d2 b2 f2 n2-d02 75 90 90 90 90 90 90 100 100 100 100 130 130 130 130 130 130 130 130 130 130 130 130 150 150 150 150 200 200 200 200 200 225 225 280 335 Model 07 the flange at suck-in port The flange at drain-out port 08 ± Ã µ Ä ° ² × ° PUMP INSTALLATION 1. With the shafts of both pump and motor linked in actuation, pay attention to the concentricity between the pump shaft and the motor's output; and carefully mount and calibrate the pump as which will leave a bigger affection to the running stability and duration of it. 2. Fasten the nut on the pump's clutch, or the impeller may be made easily movable to cause a mechanical failure. 1 2 3. Have the pump inlet higher than the central line of the pump shaft so as to have a certain volume of liquid kept inside of the pump to get a better self-suction capacity and pr event the mechanical seal from drying friction. 4. Cautions for the installation of the suck-in pipeline: A. The installat ion height of the suck-in port shall not be higher than the self-suction height and shall be lower than the lowest stored water level in the water pool as can as possible, the suck-in pipe shall be as short as possible and mount le ss elbows so as to shorten the self-suction time and raise the self-suction function. B. The valve, flange etc. inside of the suck-in pipeline shall be prevented from air or liquid leaking, that means no air-leaking is allowed inside of it. C. Get both suck-in and vomiting pipelines a stand of their own and do not let the pump bearing any pipeline. 5. During installation of the pump, make the static gro- unding resistance of it and the pipeline up to the set require- ment. 6. Calibrate the installation space and the concentricity between the clutches of both pump and motor, with the all- owed deviation of the concentricity at 0.1mm, and put a copper or iron sheet under the foot to adjust the height difference between the shafts of both pump and motor. 7. Take a final check after the unit actually runs for 3-4h and it is deemed for the installation to have been well done if non-bad condition. Check the bearing temperature during trial, which shall not be over 70 C. 8. If the pump can not be made to successfully exhaus t during the self-suction process with a single-way valve mo- unted on the pump's outlet pipeline, connect a small exhausting pipe and valve at the pump outlet. 3 4 A B C 5 6 0.1 7 3-4 70 8 ZW SERIES SELF-SUCTION TYPE NON-CLOGGING SEWAGE PUMP 09 3. Check if the moving parts of the pump are jammed or collided; if the foot on the pump bottom and the nuts on the joints are loose; check the concentricity or the parallelism between the shafts of both pump and motor; check if there is air-leaking with the inlet pipeline and settle it if any; open the valve on the suck- in pipeline and slightly open (not fully) the outlet control valve. Start and operation 1. Pay attention to the pump shaft to see if it moves in the correct direction when to start the self-suction pump; and if there is abnormal sounds and vibration when it moves. 2. Pay attention to the readings on both pressure gauge and vacuum meter, when the indications of which get stable after a periodic time fluctuation after the pump is started, that means liquid has been primed into the pump and the pump gets into the normal liquid transportation. Before the pump gets into the normal liquid transportation, e.g. during the self-suction process, pay special attention to the temperature rise of the liquid and stop the pump to check the cause if this process is too long and the temperature is so caused too high. 3. Temporarily stop the pump in case of a difficult self- suction caused due to too high liquid temperature and make it lower by means of the back flow into the pump of the liquid in the vomiting pip eline or supplementing liquid directly from the filling port on the pump casing, then start the pump again. 3 ( ) 1 2 3 ± Ã µ Ä Ê ¹ Ó Ã USE OF THE PUMP Preparations and checks prior to starting 1. According to the running states, this series self-suction pumps are lubricated with quality calcium-based grease and 10# engine oil separately. For those lubricated with grease, fill grease into the bearing box in a periodic time and, for those with engine oil, fill it fully when the oil level is insufficient. 2. Check if the stored liquid inside of the pump casing is above the upper edge of the impeller and, if not, prime liquid directly from the filling port on the casing. Do not start the pump in case of an insufficient stored liquid, or the pump would not work normally and the mechanical seal would be easily damaged. 1 10 2 10 4. It is possible for an air erosion to occur with the pump that causes a severe vibration and noise during the work of the pump and the air erosion occurs with two causes : one is too quick flow rate in the inlet pipe and the other is too high suction travel. For the fo rmer, adjust the outlet control valve, raise the reading on the pressure gauge and remove it in case of block- up in the inlet pipeline; for the latter, properly lower the pump's installation height. 5. When the pump is stopped because of something during work and started again, slightly (not fully) open the outlet control valve. This is benefit for the air to be exhausted on-time from the vomiting port during the self-suction process and also ensures the pump is started with a lighter load. Meanwhile, pay attention to checking if there is a leak from the pipeline system. Stop 1. First close the valve on the vomiting pipeline. 2. Have the pump stopped running. 3. In cold seasons, drain out the liquid stored inside of the pump casing and the water inside of the bearing's cooling chamber completely to prevent any parts from being frozen to crack. 4 5 ( ) 1 2 3 ZW SERIES SELF-SUCTION TYPE NON-CLOGGING SEWAGE PUMP 11 This pump features a simple and reliable structure, dur- ability and is generally unnecessary to be disassembled often for maintenance if working normally. Troubleshoot it in cas e of a failure. Cautions at maintenance When the rolling bearing and both front and rear seal rings are worn out to a certain degree after a long time runn- ing of the pump, replace them; the mechanica l seal does not need to be removed fo r a check provided that no liquid leak with it while does when there is a serious leak from the lea- king port on the lower side of the bearing. Take care of the mechanical seal during disassembly and assembly, clean the fitted face, properly keep the mirrors of both static and d y- namic rings and do not knock on them and get them collided, as the cause for the leaking of it is mainly at the burrs on the frictional pair mirrors. To repair it, grind the mirrors to have it recovered. Another cause for the mechanical seal to leak is the O -type rubber seal ring (or buffering gasket) impro- perly mounted or deformed or aged, then adjust or replace it. Pump disassembly and assembly sequences A. Remove the motor or take out the clutch. B. Remove the bearing assembly, check the radial space between the impeller and the front oral ring and check if the impeller nut is loose. C. Screw out the impeller nut, pull out the impeller and check the radial space between the impeller and the rear seal ring. D. Loosen the fixing screw on the mechanical seal, pull out the dynamic ring and check the fitting state between the end-faces of both static and dynamic rings and the sealing state of the O -type seal ring (or the buffering gasket). E. Screw out the fixing nut on the clutch and pull out the clutch. F. Remove the end cover on the bearing to remove both pump shaft and bearing. G. Take reversed sequences for assembly.