WO2016090949A1 - Pompe centrifuge chimique à grande résistance à l'usure et anti-corrosive - Google Patents

Pompe centrifuge chimique à grande résistance à l'usure et anti-corrosive Download PDF

Info

Publication number
WO2016090949A1
WO2016090949A1 PCT/CN2015/087499 CN2015087499W WO2016090949A1 WO 2016090949 A1 WO2016090949 A1 WO 2016090949A1 CN 2015087499 W CN2015087499 W CN 2015087499W WO 2016090949 A1 WO2016090949 A1 WO 2016090949A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
resistant
corrosion
wear
centrifugal pump
Prior art date
Application number
PCT/CN2015/087499
Other languages
English (en)
Chinese (zh)
Inventor
王友宏
朱巧君
Original Assignee
江苏亚梅泵业集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 江苏亚梅泵业集团有限公司 filed Critical 江苏亚梅泵业集团有限公司
Priority to US15/118,959 priority Critical patent/US20170051746A1/en
Publication of WO2016090949A1 publication Critical patent/WO2016090949A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/026—Selection of particular materials especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/086—Sealings especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/171—Steel alloys

Definitions

  • the invention relates to a pump, in particular to a corrosion-resistant and wear-resistant chemical centrifugal pump.
  • Chemical centrifugal pumps are widely used in petroleum, chemical, metallurgical, pharmaceutical and other industries. At present, the common chemical centrifugal pumps used in the market can only transport media with physical properties similar to water (no impurities and particles), and after working for a period of time, the pump leaves and the pump body appear due to the wear of the material on the pump blades. Leakage, and increase noise, power loss is significantly increased, the centrifugal pump shaft must be taken out for re-machining during maintenance, new assembly, to prevent leakage and noise.
  • a chemical centrifugal pump which comprises a mechanical seal static ring, a static ring seat and a mechanical seal spring, and is characterized in that a pump body and a pump cover are provided.
  • the formed seal chamber is provided with an impeller at the left end of the shaft, the top end of the impeller is locked by the impeller nut, and the right end groove of the impeller is provided with a mechanical seal moving ring; the shaft on the joint of the pump cover and the bracket is from the inside to the outside
  • the sleeve is sleeved in turn, the mechanical seal spring and the sealed box; the left side of the sealed box has a static ring seat, the static ring seat is provided with a spring seat, and the left end of the spring seat is provided with a mechanical seal static ring, and the sealed box is right.
  • the chemical centrifugal pump can be produced by different materials, usually made of materials such as 321, 304, 316, dual phase steel, CD4Mcu.
  • the cooling water should be turned on before starting the pump. The amount of cooling water and water pressure should not be too large, as long as water is kept flowing. If the temperature is lower than 60 ° C, no cooling water is needed. Close the pressure gauge and valve on the discharge line. If there is a bypass pipe, it should be closed first.
  • Document CN200943607Y discloses a high temperature multi-stage chemical centrifugal pump comprising a pump shaft, an impeller group, a mechanical seal, an inlet section, an outlet section and a bearing body, wherein the bearing body is fixed at one end of an outlet section of the pump, the outlet The other end of the segment is fixed to the inlet section by an impeller set; the pump shaft is fixed to the bearing body by a bearing, at the pump shaft Provided with two sets of front and rear sleeves and a mechanical seal, the balance drum is disposed on a gap between the impeller set and the rear sleeve and the mechanical seal, and the balance drum is set on the pump shaft The outer circumferential surface of the balance drum is provided with a spiral groove.
  • the pump shaft drives the balance drum to rotate at a high speed during use, so that the liquid in the balance drum groove generates a forward axial force, and the axial force is generated.
  • the backward axial force generated by the impeller group cancels each other, so that the axial end of the pump shaft does not generate axial force, which fundamentally improves the service life of the bearing and greatly improves the working efficiency of the pump.
  • Document CN2168972Y discloses a petrochemical multistage centrifugal pump mechanical seal for a centrifugal pump.
  • the mechanical seal of the multistage centrifugal pump is protected by a gland sealing ring (1), a gland (2), a pressure plate (3), Set (4), floating ring seal (5), floating ring (6), spring (7), rotating ring (8), rotating ring seal (9), dial (10), drive ring (11),
  • the fastening pad (12) and the cylindrical end set screw (13) are arranged, the floating ring (6) is embedded with an annular hard alloy piece (14), and the rotating ring (8) is embedded with a ring-shaped hard alloy piece (15) Or made entirely of graphite.
  • the gland sealing ring (1) When in use, the gland sealing ring (1) is installed in the groove of the gland (2), and is installed in the suction section of the pump, the end cap packing hole of the pressing section, and the flat end face, and the protective cover (4) ) Installed in the end groove of the gland (2), fasten the pressure plate (3), protective sleeve (4) and gland (2) to the end cap with screws, and install the spring (7) on the gland (2) In the end face, install the floating ring seal (5) in the outer circular groove of the floating ring (6) in which the cemented carbide sheet (14) is set, and then fit into the hole of the gland (2) together with the spring (7).
  • the ball head of the protective cover (4) is placed in the outer circular groove of the floating ring (6), and then the rotating ring (8) and the rotating ring sealing ring (9) are mounted on the pump bushing, and the dial will be dialed.
  • the pin (10) is mounted on the transmission ring (11), and then mounted on the sleeve, so that the dial (10) is inserted into the end face of the rotating ring (8), so that the floating ring (6) insert end face and the rotating ring (8)
  • the end face of the insert is in contact with each other, and the pressure between the two can be calculated according to the pump requirement to calculate the sealing pressing force, and the driving ring (11), the rotating ring (8) and the floating ring (6) are pressed to generate a reaction force.
  • the fastening pad (12), the cylindrical end set screw (13) are mounted on the drive ring (11), and the cylindrical end is used.
  • a set screw (13) the ring gear (11) is fastened on the hub.
  • the conveying medium can only flow from the inner hole of the floating ring (6) and the sleeve to the floating ring (6) and the rotating ring (8), sealed by the contact sealing end face, can not overflow, and the rotating ring (8)
  • the predetermined seal pressure between the seal ring (6) seal end face and the rotary ring (8) seal end face is generated by the compressed spring (7) and the sealed medium. The combination of stress is done.
  • the floating ring (6) and the rotating ring (8) are in close contact with the friction end surface, and the sealed medium can be prevented from the floating ring (6) and the rotating ring when the shaft (sleeve) is rotated and at rest. (8) Leakage in the end face of the friction seal, so as to achieve the function of sealing the shaft seal of the multistage centrifugal pump.
  • the present invention provides a corrosion-resistant and wear-resistant chemical centrifugal pump.
  • the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention comprises a pump body, an impeller nut, an impeller, a pump cover, a mechanical seal group, a sealing box, a bushing, a bracket, a bearing gland, and a bearing.
  • the shaft and the suspension bracket; the pump body and the suspension bracket are connected to the base by bolts; the pump body is fixed on the bracket by bolts, and the mechanical seal group comprises a mechanical seal moving ring and a mechanical seal static ring, wherein the mechanical seal moving ring is arranged at On the impeller, the pump cover is arranged on the pump shaft together with the sealing box and the mechanical seal group, wherein the pump cover and the sealing box are connected by bolts; the mechanical seal static ring, the static ring seat and the spring are arranged between the pump cover and the sealed box
  • the sleeve is sleeved on the shaft, and the bearing gland is bolted to the bracket; the shaft is detachably coupled to the bracket.
  • the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention further comprises a water cooling system including a cooling water nozzle and a cooling water pipe connected to the cooling water nozzle.
  • the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention is a single-stage single-suction horizontal centrifugal pump.
  • the corrosion-resistant and wear-resistant chemical centrifugal pump of the invention has a diameter of 25-500 mm.
  • the flow rate of corrosion resistant chemical centrifugal pump according to the present invention is 1.6m 3 / h-3000m 3 / h.
  • the material of the overcurrent component of the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention is duplex stainless steel.
  • the applicable temperature of the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention is between -20 ° C and +150 ° C.
  • the applicable medium for the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention is any concentration of acid, alkali and/or salt having a solid content of 40% or less, and the medium particles are hard and/or Or soft.
  • the applicable medium of the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention is lime slurry, mud slurry, coal residue liquid, slag liquid, waste acid and/or sewage.
  • a method for installing a corrosion-resistant and wear-resistant chemical centrifugal pump according to the present invention comprises the following steps:
  • the bottom valve is installed at the bottom end of the inlet pipe, and a liquid screw hole or a valve is arranged on the liquid discharge pipe for use before the start of the pump; the installation position of the pump is lower than the liquid
  • a control valve and a filter device are installed on the inlet pipe of the pump to prevent large debris from being sucked into the pump.
  • the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention it is necessary to check whether the pump bearing is filled with lithium base grease before starting, and if not, it is necessary to fill the pump bearing with lithium base grease. Then check if the direction of rotation of the motor is correct. It is forbidden to empty or reverse. Turn the coupling by hand to check if it feels relaxed and light and uniform, and pay attention to the presence or absence of friction in the pump. If any, try to remove it and install the coupling guard. If the temperature of the medium exceeds 60 °C, cooling water must be connected to the cooling nozzle of the pump. The cooling water acts as a temperature and temperature drop. The cooling water should not be too large or too urgent.
  • the valve on the liquid discharge pipe when stopping, should be slowly closed. If the installation position of the pump is lower than the liquid level, the valve on the liquid inlet pipe should be closed, and Turn off various meters. Turn off the power. If the pump is connected to cooling water, turn off the cooling water after the pump is completely stopped. If the ambient temperature is below the freezing point of the liquid, the liquid in the pump needs to be drained to prevent cracking. If the pump is not used for a long time, in addition to draining the liquid in the pump, rinse it off with clean water. In particular, the sealed chamber should be carefully cleaned. It is best to disassemble the pump, clean it, reinstall it, and keep it in a safe place.
  • the anti-corrosion and wear-resistant chemical centrifugal pump according to the invention has the advantages of wide application range, long sealing life, wear resistance, corrosion resistance and no clogging, and can be applied to any concentration of acid, alkali and solid with a solid content of 40% or less. / or salt medium, the particles are hard or soft.
  • FIG. 1 is an overall schematic view of a corrosion-resistant and wear-resistant chemical centrifugal pump according to the present application.
  • the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention comprises a pump body 1 , an impeller nut 2 , an impeller 3 , a pump cover 4 , a mechanical seal group 5 , a sealing box 6 , a sleeve 7 , and a bracket 8 .
  • the mechanical seal group 5 includes a mechanical seal The ring and the mechanical seal static ring, wherein the mechanical seal moving ring is disposed on the impeller, the pump cover 4 is disposed on the pump shaft 11 together with the seal box 6 and the mechanical seal group 5, wherein the pump cover 4 and the seal box 6 are bolted together a mechanical seal static ring, a stationary ring seat and a spring are disposed between the pump cover 4 and the seal box 6; the sleeve 7 is sleeved on the shaft 11, and the bearing gland 9 is bolted to the bracket 8; the shaft 11 and the bracket 8 detachably connected.
  • the corrosion-resistant and wear-resistant chemical centrifugal pump further includes a water cooling system including a cooling water nozzle and a cooling water pipe (not shown) connected to the cooling water nozzle. If the temperature of the medium exceeds 60 °C, cooling water must be connected to the cooling nozzle of the pump. The cooling water acts as a temperature and temperature drop. The cooling water should not be too large or too urgent.
  • Said corrosion resistant chemical pump is a single-stage single suction horizontal centrifugal pump, a diameter of 25-500mm, the flow rate of 1.6m 3 / h-3000m 3 / h.
  • the material of the overcurrent component of the corrosion-resistant and wear-resistant chemical centrifugal pump is duplex stainless steel.
  • the applicable temperature of the corrosion-resistant and wear-resistant chemical centrifugal pump is between -20 ° C and +150 ° C.
  • the suitable medium for the corrosion-resistant and wear-resistant chemical centrifugal pump is any concentration of acid, alkali and/or salt having a solid content of 40% or less, and the medium particles are hard and/or soft.
  • the suitable medium for the corrosion-resistant and wear-resistant chemical centrifugal pump is lime slurry, mud slurry, coal residue liquid, slag liquid, waste acid and/or sewage.
  • the mechanical seal is suitable for the working condition of the particle resistance, the mechanical seal is a mechanical component with extremely high precision, and to ensure a good sealing effect, it is necessary to strictly follow the application.
  • the installation method provided is for installation and use.
  • the installation method of the corrosion-resistant and wear-resistant chemical centrifugal pump comprises the following steps:
  • the bottom valve is installed at the bottom end of the inlet pipe, and a liquid screw hole or a valve is arranged on the liquid discharge pipe for use before the start of the pump; the installation position of the pump is lower than the liquid
  • a control valve and a filter device are installed on the inlet pipe of the pump to prevent large debris from being sucked into the pump.
  • the corrosion-resistant and wear-resistant chemical centrifugal pump of the present invention it is necessary to check whether the pump bearing is filled with lithium base grease before starting, and if not, it is necessary to fill the pump bearing with lithium base grease. Then check if the direction of rotation of the motor is correct. It is forbidden to empty or reverse. Turn the coupling by hand to check if it feels relaxed and light and uniform, and pay attention to the presence or absence of friction in the pump. If any, try to remove it and install the coupling guard. If the temperature of the medium exceeds 60 °C, cooling water must be connected to the cooling nozzle of the pump. The cooling water acts as a temperature and temperature drop. The cooling water should not be too large or too urgent.
  • the valve on the liquid discharge pipe when stopping, should be slowly closed. If the installation position of the pump is lower than the liquid level, the valve on the liquid inlet pipe should be closed, and Turn off various meters. Turn off the power. If the pump is connected to cooling water, turn off the cooling water after the pump is completely stopped. If the ambient temperature is below the freezing point of the liquid, the liquid in the pump needs to be drained to prevent cracking. If the pump is not used for a long time, in addition to draining the liquid in the pump, rinse it off with clean water. In particular, the sealed chamber should be carefully cleaned. It is best to disassemble the pump, clean it, reinstall it, and keep it in a safe place.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne une pompe centrifuge chimique, à grande résistance à l'usure et anti-corrosive, qui comporte un corps de pompe (1), un écrou d'hélice (2), une hélice (3), un couvercle de pompe (4), un ensemble d'étanchéité mécanique (5), une boîte d'étanchéité (6), un manchon d'arbre (7), un support (8), un capuchon de palier (9), un palier (10), un arbre (11) et un support de suspension. Le corps de pompe et le support de suspension sont reliés à une base par des boulons. Le corps de pompe est fixé au support par des boulons. L'ensemble d'étanchéité mécanique comprend une bague d'étanchéité mécanique mobile et une bague d'étanchéité mécanique fixe. La bague d'étanchéité mécanique mobile est agencée sur l'hélice. Le couvercle de pompe, la boîte d'étanchéité et l'ensemble d'étanchéité mécanique sont disposés conjointement sur l'arbre de pompe. Le couvercle de pompe est relié à la boîte d'étanchéité par des boulons. La bague d'étanchéité mécanique fixe, un siège de bague fixe et un ressort sont disposés entre le couvercle de pompe et la boîte d'étanchéité. Le manchon d'arbre est agencé sur l'arbre, et le capuchon de palier est relié au support par des boulons. L'arbre est relié de manière détachable au support. La pompe présente l'avantage d'avoir une large gamme d'applications, une longue durée de vie concernant l'étanchéité, une résistance à l'usure, une résistance à la corrosion, pas de bouchage, et autres, et peut être applicable à un milieu acide, basique et/ou salin en une quelconque concentration, la teneur en solides étant inférieure ou égale à 40 %, et le degré de dureté ou de mollesse des particules étant illimité.
PCT/CN2015/087499 2014-12-10 2015-08-19 Pompe centrifuge chimique à grande résistance à l'usure et anti-corrosive WO2016090949A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/118,959 US20170051746A1 (en) 2014-12-10 2015-08-19 Corrosion-resistant and wear-resistant chemical centrifugal pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2014107482486 2014-12-10
CN201410748248.6A CN104454555A (zh) 2014-12-10 2014-12-10 一种耐腐耐磨化工离心泵

Publications (1)

Publication Number Publication Date
WO2016090949A1 true WO2016090949A1 (fr) 2016-06-16

Family

ID=52901144

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/087499 WO2016090949A1 (fr) 2014-12-10 2015-08-19 Pompe centrifuge chimique à grande résistance à l'usure et anti-corrosive

Country Status (3)

Country Link
US (1) US20170051746A1 (fr)
CN (1) CN104454555A (fr)
WO (1) WO2016090949A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106368954A (zh) * 2016-11-29 2017-02-01 南通富莱克流体装备有限公司 浆料输送泵
CN107178520A (zh) * 2017-08-02 2017-09-19 汪小艳 一种提高离心水泵运行效率的方法及组合弹性密封装置
CN112682319A (zh) * 2021-01-10 2021-04-20 湖南工匠实创智能机器有限责任公司 一种用于磁性液体抛光循环系统的离心泵
CN113062870A (zh) * 2021-03-25 2021-07-02 三联泵业股份有限公司 一种耐磨耐腐化工流程泵

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454555A (zh) * 2014-12-10 2015-03-25 江苏亚梅泵业集团有限公司 一种耐腐耐磨化工离心泵
CN104948469A (zh) * 2015-07-07 2015-09-30 芜湖环球汽车配件有限公司 一种耐磨耐腐蚀离心泵
CN105275889A (zh) * 2015-10-19 2016-01-27 季裕成 氟塑料泵的支架空间散热器
CN105298902A (zh) * 2015-10-19 2016-02-03 季裕成 单级单吸离心泵的单端面密封锁紧装置
CN105275864A (zh) * 2015-10-19 2016-01-27 季裕成 单级单吸离心泵的双端面密封装置
CN106050674A (zh) * 2016-06-22 2016-10-26 安徽格兰富机械设备有限公司 一种单级单吸精密型化工泵
CN106151056A (zh) * 2016-08-05 2016-11-23 江苏亚梅泵业集团有限公司 一种夹板式脱硫泵及其安装方法
CN106246603B (zh) * 2016-10-18 2018-09-11 广州九陌机电设备有限公司 一种水泵
CN106368978B (zh) * 2016-11-07 2018-07-17 中国有色(沈阳)泵业有限公司 一种离心泵叶轮定位及快速更换轴承机构、叶轮定位方法及轴承更换方法
CN108119407A (zh) * 2016-11-27 2018-06-05 中国电建集团河南工程公司 超超临界火电机组大型凝结水泵安装工法
CN107313942A (zh) * 2017-06-08 2017-11-03 三联泵业股份有限公司 一种防密封环脱落的单级双吸中开泵
CN107654382A (zh) * 2017-11-09 2018-02-02 张旭 一种耐用的单级无泄漏糖浆泵
CN108869382B (zh) * 2018-06-13 2020-08-14 大连理工大学 一种耐磨减摩抗辐照老化的核主泵机械密封的副密封结构
CN109009521A (zh) * 2018-09-12 2018-12-18 宁波和合美佳电器有限公司 电动冲牙器的无摩擦水泵
CN109114005B (zh) * 2018-10-30 2024-02-13 江苏双达泵业股份有限公司 一种高温液下泵
CN110513297A (zh) * 2019-08-22 2019-11-29 江苏金利化工机械有限公司 一种卧式乳化泵
CN110714929A (zh) * 2019-11-28 2020-01-21 昆山隆恩特环保科技有限公司 一种具有冲洗功能的砂浆泵
CN112049804A (zh) * 2020-07-25 2020-12-08 三联泵业股份有限公司 耐磨耐腐衬胶渣浆泵
CN112032058A (zh) * 2020-09-10 2020-12-04 安徽银龙泵阀股份有限公司 一种便于拆卸维修的离心泵
CN113357156B (zh) * 2021-07-19 2024-04-12 江苏维尔特泵业有限公司 一种内外多层密封冷却热水循环泵
CN114033748A (zh) * 2021-11-25 2022-02-11 安徽莱恩电泵有限公司 一种核电站乏燃料水池冷却泵

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2570501Y (zh) * 2002-08-01 2003-09-03 李志鹏 耐腐耐磨离心泵
WO2011123892A1 (fr) * 2010-04-06 2011-10-13 Keto Ip Pty Ltd As Trustee For The Keto Ip Trust Pompes à fluide et systèmes de surveillance pour pompes à fluide
CN202047988U (zh) * 2011-03-23 2011-11-23 王友宏 化工离心泵
CN202732359U (zh) * 2012-06-25 2013-02-13 王友宏 泥浆泵
CN103307029A (zh) * 2012-03-12 2013-09-18 江苏新跃泵业制造有限公司 新型耐磨耐腐蚀化工离心泵
CN104454555A (zh) * 2014-12-10 2015-03-25 江苏亚梅泵业集团有限公司 一种耐腐耐磨化工离心泵

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2570501Y (zh) * 2002-08-01 2003-09-03 李志鹏 耐腐耐磨离心泵
WO2011123892A1 (fr) * 2010-04-06 2011-10-13 Keto Ip Pty Ltd As Trustee For The Keto Ip Trust Pompes à fluide et systèmes de surveillance pour pompes à fluide
CN202047988U (zh) * 2011-03-23 2011-11-23 王友宏 化工离心泵
CN103307029A (zh) * 2012-03-12 2013-09-18 江苏新跃泵业制造有限公司 新型耐磨耐腐蚀化工离心泵
CN202732359U (zh) * 2012-06-25 2013-02-13 王友宏 泥浆泵
CN104454555A (zh) * 2014-12-10 2015-03-25 江苏亚梅泵业集团有限公司 一种耐腐耐磨化工离心泵

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
XIAO, KAIZI, HUÀG?NG J?QÌ ? NZHUANG Y? WÉIXI?, VOL. /, NO., 31 October 1992 (1992-10-31), pages 51 - 53 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106368954A (zh) * 2016-11-29 2017-02-01 南通富莱克流体装备有限公司 浆料输送泵
CN106368954B (zh) * 2016-11-29 2018-07-06 南通富莱克流体装备有限公司 浆料输送泵
CN107178520A (zh) * 2017-08-02 2017-09-19 汪小艳 一种提高离心水泵运行效率的方法及组合弹性密封装置
CN107178520B (zh) * 2017-08-02 2023-06-23 汪小艳 一种提高离心水泵运行效率的方法及组合弹性密封装置
CN112682319A (zh) * 2021-01-10 2021-04-20 湖南工匠实创智能机器有限责任公司 一种用于磁性液体抛光循环系统的离心泵
CN112682319B (zh) * 2021-01-10 2024-05-31 湖南工匠实创智能机器有限责任公司 一种用于磁性液体抛光循环系统的离心泵
CN113062870A (zh) * 2021-03-25 2021-07-02 三联泵业股份有限公司 一种耐磨耐腐化工流程泵
CN113062870B (zh) * 2021-03-25 2022-12-09 三联泵业股份有限公司 一种耐磨耐腐化工流程泵

Also Published As

Publication number Publication date
CN104454555A (zh) 2015-03-25
US20170051746A1 (en) 2017-02-23

Similar Documents

Publication Publication Date Title
WO2016090949A1 (fr) Pompe centrifuge chimique à grande résistance à l'usure et anti-corrosive
CN110878756B (zh) 一种多功能水泵
CN103953552A (zh) 一种阴离子交换器给水泵
CN109372758B (zh) 一种立式液下长轴泵
US2232648A (en) Centrifugal pump structure
AU2004240949B2 (en) Pressure relief arrangement for a pump
EP2745017A1 (fr) Ensemble de support pour une pompe à turbine verticale
CN213016814U (zh) 一种活体碳化硅内衬渣浆泵
CN204344534U (zh) 一种电泳泵
RU184982U1 (ru) Центробежный шламовый насос
CN104728124B (zh) 一种多级离心泵
CN107524605A (zh) 一种耐腐耐磨化工离心泵
CN201241841Y (zh) 卧式无泄漏强自吸泵
JP2014156789A (ja) 水中ポンプ
CN110230602B (zh) 一种碳化硅渣浆泵
KR101647428B1 (ko) 버터플라이밸브를 구비한 수처리장치
CN212337647U (zh) 一种耐磨多级离心泵
CN211039055U (zh) 一种碳化硅渣浆泵
RU171633U1 (ru) Центробежный шламовый насос
CN207648168U (zh) 一种防堵塞排污阀
KR200443139Y1 (ko) 정압장치가 부착된 상수도 가압 펌프
CN105179298A (zh) 一种砂浆泵
CN104747491A (zh) 一种具有密封组件的卫生泵
CN205225828U (zh) 一种砂浆泵
CN211082371U (zh) 一种深井泵轴承密封装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15866794

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 15118959

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15866794

Country of ref document: EP

Kind code of ref document: A1