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直联水环式真空泵

产品简介:
2BV直联水环式真空泵为整体结构—机泵同轴的单级泵,适用于抽除气体和水蒸气,吸气压力可以达到33mbar绝压(97%真空度)。被广泛用于石油、化工、制药、食品、制糖工业等领域。由于在工作过程中,气体的压缩过程是等温的,所以在压缩和抽吸易燃易爆气体时,不易发生爆炸,令其应用更加广泛。

更(geng)新时间:2019-09-10

浏览次数:1634

厂商性质:生产厂家

生产地址:上海

品牌欧博官网HOME泵阀输送介质其他
泵轴位置卧式叶轮数目单级
应用领域医疗卫生,化工,石油,制药,综合

一、2BV水环式真空泵概述

2BV直联水环式真空泵为整体结构—机泵同轴的单级泵,适用于抽除气(qi)(qi)(qi)体(ti)和水蒸气(qi)(qi)(qi),吸气(qi)(qi)(qi)压力可(ke)以达到33mbar绝压(97%真空(kong)(kong)度)。当真空(kong)(kong)泵(beng)在吸气(qi)(qi)(qi)压力低(di)于80mbar的状态下长期工作(zuo)时,应联接(jie)(jie)气(qi)(qi)(qi)蚀保护管,以对泵(beng)进(jin)行(xing)保护。如配大(da)(da)气(qi)(qi)(qi)喷射器,吸气(qi)(qi)(qi)压力可(ke)达10mbar,喷射器可(ke)直接(jie)(jie)安装(zhuang)在真空(kong)(kong)泵(beng)上。作(zuo)为压缩机用时,其压力大(da)(da)0.26MPa(绝压)。被广(guang)(guang)泛用于石油、化工、制药(yao)、食品(pin)、制糖(tang)工业等(deng)领域。由于在工作过(guo)程(cheng)(cheng)中(zhong),气体的压缩(suo)过(guo)程(cheng)(cheng)是等(deng)温的,所以在压缩(suo)和抽吸易(yi)燃易(yi)爆气体时,不(bu)易(yi)发生爆炸,所以其(qi)应用更加广(guang)(guang)泛。

二、2BV水环式真空泵特点(dian)

1、机泵(beng)同轴式直联设计,节(jie)省空间,易于安装。
2、采用机械密封作(zuo)为标准配置,消除了泄露,维护(hu)简便。
3、运行平稳,噪音可低62分贝。
4、统的耐(nai)腐蚀设计(ji),青铜(tong)叶轮提高了泵的耐(nai)腐蚀性(xing),不锈钢材质更适(shi)用于更为苛刻(ke)的应用。
5、*的柔性(xing)排气口设计,不会产生过压缩,确保(bao)了2BV在其性(xing)能范(fan)围内(nei)效率。

三、2BV水(shui)环式真(zhen)空(kong)泵结构

2BV直(zhi)联水环式真空泵(beng)主(zhu)要由(you)泵(beng)(beng)(beng)(beng)盖(gai)、泵(beng)(beng)(beng)(beng)体(ti)(ti)(ti)(ti)(ti)、圆盘(pan)(pan)(pan),叶(ye)(ye)(ye)轮(lun)(lun)、机(ji)(ji)(ji)械密(mi)封(feng)、电动(dong)机(ji)(ji)(ji)等零(ling)部件组成。进(jin)气(qi)(qi)(qi)(qi)管(guan)排(pai)(pai)(pai)气(qi)(qi)(qi)(qi)管(guan)通过(guo)安(an)装(zhuang)在(zai)(zai)泵(beng)(beng)(beng)(beng)盖(gai)上的(de)园(yuan)(yuan)(yuan)盘(pan)(pan)(pan)上的(de)吸气(qi)(qi)(qi)(qi)孔和(he)排(pai)(pai)(pai)气(qi)(qi)(qi)(qi)孔与(yu)泵(beng)(beng)(beng)(beng)腔相连,轴(zhou)偏心地(di)安(an)装(zhuang)在(zai)(zai)泵(beng)(beng)(beng)(beng)体(ti)(ti)(ti)(ti)(ti)中,叶(ye)(ye)(ye)轮(lun)(lun)用平(ping)键(jian)固定(ding)在(zai)(zai)轴(zhou)上,两端(duan)面的(de)部间(jian)(jian)(jian)(jian)(jian)隙由(you)泵(beng)(beng)(beng)(beng)体(ti)(ti)(ti)(ti)(ti)和(he)园(yuan)(yuan)(yuan)盘(pan)(pan)(pan)之间(jian)(jian)(jian)(jian)(jian)的(de)垫来调(diao)整(zheng),叶(ye)(ye)(ye)轮(lun)(lun)与(yu)泵(beng)(beng)(beng)(beng)盖(gai)上的(de)园(yuan)(yuan)(yuan)盘(pan)(pan)(pan)之间(jian)(jian)(jian)(jian)(jian)的(de)间(jian)(jian)(jian)(jian)(jian)隙由(you)园(yuan)(yuan)(yuan)盘(pan)(pan)(pan)和(he)泵(beng)(beng)(beng)(beng)体(ti)(ti)(ti)(ti)(ti)之间(jian)(jian)(jian)(jian)(jian)的(de)垫来调(diao)整(zheng),叶(ye)(ye)(ye)轮(lun)(lun)两端(duan)面与(yu)泵(beng)(beng)(beng)(beng)盖(gai)上园(yuan)(yuan)(yuan)盘(pan)(pan)(pan)之间(jian)(jian)(jian)(jian)(jian)间(jian)(jian)(jian)(jian)(jian)隙决定(ding)气(qi)(qi)(qi)(qi)体(ti)(ti)(ti)(ti)(ti)在(zai)(zai)泵(beng)(beng)(beng)(beng)腔内由(you)进(jin)气(qi)(qi)(qi)(qi)口排(pai)(pai)(pai)气(qi)(qi)(qi)(qi)口流动(dong)中损失的(de)大(da)小及其(qi)极(ji)限压力(li)。采(cai)用机(ji)(ji)(ji)械密(mi)封(feng),机(ji)(ji)(ji)械密(mi)封(feng)安(an)装(zhuang)在(zai)(zai)叶(ye)(ye)(ye)轮(lun)(lun)和(he)泵(beng)(beng)(beng)(beng)体(ti)(ti)(ti)(ti)(ti)间(jian)(jian)(jian)(jian)(jian)。由(you)机(ji)(ji)(ji)械密(mi)封(feng)定(ding)出叶(ye)(ye)(ye)轮(lun)(lun)与(yu)泵(beng)(beng)(beng)(beng)体(ti)(ti)(ti)(ti)(ti)之间(jian)(jian)(jian)(jian)(jian)的(de)间(jian)(jian)(jian)(jian)(jian)隙。泵(beng)(beng)(beng)(beng)盖(gai)上安(an)装(zhuang)有园(yuan)(yuan)(yuan)盘(pan)(pan)(pan),园(yuan)(yuan)(yuan)盘(pan)(pan)(pan)上设有吸、排(pai)(pai)(pai)气(qi)(qi)(qi)(qi)孔和(he)柔性(xing)排(pai)(pai)(pai)气(qi)(qi)(qi)(qi)阀片(pian),柔性(xing)阀片(pian)的(de)作用是当叶(ye)(ye)(ye)轮(lun)(lun)叶(ye)(ye)(ye)片(pian)间(jian)(jian)(jian)(jian)(jian)的(de)气(qi)(qi)(qi)(qi)体(ti)(ti)(ti)(ti)(ti)压力(li)达到排(pai)(pai)(pai)气(qi)(qi)(qi)(qi)压力(li)时,在(zai)(zai)排(pai)(pai)(pai)气(qi)(qi)(qi)(qi)口以(yi)前(qian)就将气(qi)(qi)(qi)(qi)体(ti)(ti)(ti)(ti)(ti)排(pai)(pai)(pai)出,减少了因(yin)气(qi)(qi)(qi)(qi)体(ti)(ti)(ti)(ti)(ti)压力(li)过(guo)大(da)而(er)消耗的(de)功(gong)率(lv)、从(cong)而(er)降(jiang)低率(lv)消耗。

四、2BV水环式真空泵原(yuan)理(li)

2BV水(shui)(shui)(shui)(shui)(shui)环(huan)(huan)(huan)(huan)式(shi)真(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)如下(xia)图所示(shi)叶(ye)(ye)轮(lun)(lun)(lun)3偏(pian)心地安装在(zai)泵(beng)(beng)(beng)体(ti)之内,启动时向泵(beng)(beng)(beng)内注(zhu)入定(ding)高度的水(shui)(shui)(shui)(shui)(shui),因此(ci)(ci)当叶(ye)(ye)轮(lun)(lun)(lun)3旋转(zhuan)时,水(shui)(shui)(shui)(shui)(shui)受离心力(li)的作(zuo)用而在(zai)泵(beng)(beng)(beng)体(ti)内壁(bi)形成旋转(zhuan)水(shui)(shui)(shui)(shui)(shui)环(huan)(huan)(huan)(huan)1,水(shui)(shui)(shui)(shui)(shui)环(huan)(huan)(huan)(huan)下(xia)部内表面(mian)(mian)与(yu)轮(lun)(lun)(lun)毂(gu)相切(qie),沿箭头方向旋转(zhuan),在(zai)前半转(zhuan)过程中,水(shui)(shui)(shui)(shui)(shui)环(huan)(huan)(huan)(huan)内表面(mian)(mian)逐(zhu)(zhu)渐与(yu)轮(lun)(lun)(lun)毂(gu)脱离,因此(ci)(ci)在(zai)叶(ye)(ye)轮(lun)(lun)(lun)叶(ye)(ye)片间(jian)(jian)(jian)与(yu)水(shui)(shui)(shui)(shui)(shui)环(huan)(huan)(huan)(huan)形成封闭空(kong)(kong)(kong)(kong)(kong)间(jian)(jian)(jian),随着叶(ye)(ye)轮(lun)(lun)(lun)的旋转(zhuan),该空(kong)(kong)(kong)(kong)(kong)间(jian)(jian)(jian)逐(zhu)(zhu)渐扩大,空(kong)(kong)(kong)(kong)(kong)间(jian)(jian)(jian)气(qi)(qi)体(ti)压(ya)力(li)降低,气(qi)(qi)体(ti)自(zi)圆(yuan)盘吸气(qi)(qi)口(kou)被吸入;在(zai)后半转(zhuan)过程中,水(shui)(shui)(shui)(shui)(shui)环(huan)(huan)(huan)(huan)内表面(mian)(mian)逐(zhu)(zhu)渐与(yu)轮(lun)(lun)(lun)毂(gu)靠近,叶(ye)(ye)片间(jian)(jian)(jian)的空(kong)(kong)(kong)(kong)(kong)间(jian)(jian)(jian)逐(zhu)(zhu)渐缩(suo)小,空(kong)(kong)(kong)(kong)(kong)间(jian)(jian)(jian)气(qi)(qi)体(ti)压(ya)力(li)升高,高于(yu)排(pai)(pai)气(qi)(qi)口(kou)压(ya)力(li)时,叶(ye)(ye)片间(jian)(jian)(jian)的气(qi)(qi)体(ti)自(zi)圆(yuan)盘排(pai)(pai)气(qi)(qi)口(kou)被排(pai)(pai)出。如此(ci)(ci)叶(ye)(ye)轮(lun)(lun)(lun)每转(zhuan)动周,叶(ye)(ye)片间(jian)(jian)(jian)的空(kong)(kong)(kong)(kong)(kong)间(jian)(jian)(jian)吸排(pai)(pai)气(qi)(qi)次,许多空(kong)(kong)(kong)(kong)(kong)间(jian)(jian)(jian)不(bu)停地工作(zuo),水(shui)(shui)(shui)(shui)(shui)环(huan)(huan)(huan)(huan)式(shi)真(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)(beng)就连续不(bu)断(duan)地抽吸或压(ya)送气(qi)(qi)体(ti)。
由(you)于在工作过(guo)程中,做功产生热量,会(hui)使工作水环发热,同时部分水和气体起被(bei)排走(zou),因此,在工作过程(cheng)中,必(bi)须不断(duan)地给泵(beng)供水,以冷却(que)和补(bu)充泵(beng)内消耗的水,满足泵(beng)的工作要求。
当排出的气(qi)(qi)体不(bu)再(zai)利用(yong)时(shi),在排气(qi)(qi)口(kou)上接(jie)有气(qi)(qi)水(shui)分(fen)离(li)(li)器,废气(qi)(qi)和所带的部(bu)分(fen)水(shui)排入气(qi)(qi)水(shui)分(fen)离(li)(li)器后,气(qi)(qi)水(shui)分(fen)离(li)(li),气(qi)(qi)体由排气(qi)(qi)管排出,留下的水(shui)经回水(shui)管供(gong)泵内继续使用(yong)。随着(zhe)工作时(shi)间的延长,工作水(shui)温(wen)度会不(bu)断地升高,这时(shi)需从供(gong)水(shui)管供(gong)给(ji)冷水(shui),以降低工作水(shui)的温(wen)度,保证泵能(neng)达到所要求的技(ji)术要求和性能(neng)指(zhi)标。

当2BV水(shui)(shui)(shui)(shui)(shui)(shui)环式真空泵(beng)作(zuo)(zuo)为压缩(suo)(suo)机使(shi)用(yong)时(shi),泵(beng)排气(qi)口接有气(qi)水(shui)(shui)(shui)(shui)(shui)(shui)分(fen)离(li)器,气(qi)水(shui)(shui)(shui)(shui)(shui)(shui)混合物(wu)进(jin)入(ru)气(qi)水(shui)(shui)(shui)(shui)(shui)(shui)分(fen)离(li)器后自动分(fen),气(qi)体由(you)排气(qi)管(guan)输送到所需(xu)系统而工(gong)作(zuo)(zuo)水(shui)(shui)(shui)(shui)(shui)(shui)经过分(fen)离(li)器进(jin)入(ru)泵(beng)内。压缩(suo)(suo)气(qi)体时(shi),工(gong)作(zuo)(zuo)水(shui)(shui)(shui)(shui)(shui)(shui)极易热,水(shui)(shui)(shui)(shui)(shui)(shui)由(you)泵(beng)排气(qi)口排出(chu),温度(du)会变的较高(gao),要由(you)供水(shui)(shui)(shui)(shui)(shui)(shui)管(guan)不(bu)断地供给冷水(shui)(shui)(shui)(shui)(shui)(shui).以补充被放(fang)走的水(shui)(shui)(shui)(shui)(shui)(shui),同时(shi)起冷却作(zuo)(zuo)用(yong),使(shi)工(gong)作(zuo)(zuo)水(shui)(shui)(shui)(shui)(shui)(shui)温度(du)不(bu)致过高(gao),从(cong)而保证(zheng)压缩(suo)(suo)机性能(neng),达能(neng)技术指标,满工(gong)艺要求。

五、2BV水(shui)环式真空(kong)泵选型(xing)表(biao)

产(chan)品型号

极限压力(li)

Mbar(Pa)

大气量

M3/min

功 率

KW

转 速(su)

Rpm

水耗量

L/min

噪 声

dB(A)

重 量

Kg

2060

33(3300)

0.45

1.1

2880

~2

62

20

2061

33(3300)

0.87

1.5

2880

~2

65

22

2070

33(3300)

1.33

2.35

2880

~2.5

66

31

2071

33(3300)

1.83

3.85

2880

~4.2

72

42

5110

33(3300)

2.75

4

1450

~7

63

78

5111

33(3300)

3.83

5.5

1450

~8.5

68

100

5121

33(3300)

4.68

7.5

1450

~10

69

145

5131

33(3300)

6.68

11

1450

~15

73

165

5161

33(3300)

8.3

15

970

~20

74

252

6110

33(3300)

2.75

4

1450

~7

63

107

6111

33(3300)

3.83

5.5

1450

~8.5

68

142

6121

33(3300)

4.68

7.5

1450

~10

69

198

6131

33(3300)

6.68

11

1450

~15

73

238

6161

33(3300)

8.3

15

970

~20

74

350

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