产品描述
JZJS roots vacuum unit is made up of the series connected roots pump and liquid ring pump, where the roots pump is the main pump and the water ring pump is used as the backing pump.
It overcomes the ultimate pressure difference when using a single liquid ring pump (compared with the liquid ring pump, the ultimate pressure of the unit is greatly improved), and the low pumping rate under a certain pressure, at the same time, retaining the advantage of the fast work and higher pumping rate of the roots pump. In particular, it is adapt to pump a great amount of condensable vapors.
Roots water ring vacuum system includes the following types:
(1) Roots pump-water ring pump: The liquid ring pump in this unit is used to produce the fore vacuum required for the roots pump. Generally, the ultimate vacuum degree of the single-stage water ring vacuum pump is not high, and the roots pumps require higher ultimate vacuum degree, thus, the single-stage liquid ring pump is not usually used as the backing pump of the roots pump. The two-stage water ring pump with lower ultimate pressure can be applied as the backing pump, to reduce the ultimate pressure of the unit.
The ultimate pressure of 1 roots pump and 1 water ring pump is 400PA, which can meet the general needs of vacuum. If combine 2 series connected roots pumps and the water ring pump, the ultimate pressure can be greatly increased (up to 25PA). Therefore, for this type, the combination of 2 series connected roots pumps with a two-stage pump as the backing pump is common to compose the unit. If need a higher ultimate pressure, a combination of 3 roots pumps with a liquid ring pump can be used, which ultimate pressure can be up to t 1PA.
(2) If the three-stage roots liquid ring unit can not meet the ultimate pressure, the roots pump-water ring pump parallel mechanical vacuum pump can be adopted; This unit is mainly for a vacuumizing system which is used to treat a great amount of water vapor, and requires a long time and a very high ultimate vacuum degree, e. G, in the vacuum drying area.
In the vacuum system which is used to treat a great amount of water vapor, liquid ring pump is more appropriate choice. However, its ultimate vacuum degree is not high, as a result, the ultimate vacuum degree of the entire unit is lower (relatively).
Although in the vacuumizing system requiring higher vacuum degree, the mechanical vacuum pump of higher ultimate vacuum shall be used as the backing pump, the gas ballast mechanical vacuum pump and water-ring pump can be connected in series to act as the fore pump of the roots pump. In vacuum drying, first use the liquid ring pump for backing pumping until there is a significant reduction in water vapor, and then switch on the gas ballast mechanical vacuum pump, and switch off the water ring pump.
应用
Roots pump-water ring pump system is widely used for the vacuum distillation, vacuum evaporation, dehydration and crystallization in the chemical industry; CHINAMFG drying in the food industry; The vacuum drying in the pharmaceutical industry; The terylene section cutting in the light textile industry; The vacuumizing system in high-altitude simulation test, and so on.
技术参数
| 类型 | Draw rate (L/S) |
压力 ≤(Pa) |
水泵 | 容量 (千瓦) |
||
| 主泵 | Intermediate pump | Pre-stage pump | ||||
| JZJS30-1 | 30 | 4×102 | ZJ30 | SZ-1 | 3.75 | |
| JZJS70-2 | 70 | 4×102 | ZJ70 | SZ-1 | 5.5 | |
| JZJS150-2 | 150 | 4×102 | ZJ150A | SZ-2 | 14 | |
| JZJS300-2 | 300 | 4×102 | ZJ300 | SZ-3 | 19 | |
| JZJS600-2 | 600 | 4×102 | ZJ600 | 2SK-12 | 35.5 | |
| JZJS1200-2 | 1200 | 4×102 | ZJ1200 | 2SK-25 | 56 | |
| JZJS70-21 | 70 | 101 | ZJ70 | ZJ30 | SZ-1 | 6.25 |
| JZJS70-12 | 70 | 101 | ZJ70 | ZJ70 | SZ-1 | 7 |
| JZJS150-21 | 150 | 101 | ZJ150A | ZJ70 | SZ-2 | 15.5 |
| JZJS150-12 | 150 | 101 | ZJ150A | ZJ150A | SZ-2 | 17 |
| JZJS300-41 | 300 | 101 | ZJ300 | ZJ70 | SZ-2 | 16.5 |
| JZJS300-22 | 300 | 101 | ZJ300 | ZJ150A | SZ-2 | 18 |
| JZJS600-41 | 600 | 101 | ZJ600 | ZJ150A | SZ-3 | 23.5 |
| JZJS1200-22 | 1200 | 101 | ZJ1200A | ZJ600 | 2SK-12 | 46.5 |
我们的服务
1. Warranty: 1 year for the pump body, 3 months for the main working parts.
2. Delivery: Delivery time will be on time as per the contract. Usually,
our company need 25 working days for diesel water pump
and for bare shaft pump, it takes 20 working days,
3. On-sales Service: we will clearly show you everything in fact when you place an order with us.
We will take photos or videos to show you our production situation,
And update the production situation to you.
4. Quality: we will test our pump before delivery, and we will follow up on the pump working conditions
per 3 months when the pump is put into use. we have free spare parts
our Work
我们公司
常问问题
Q1: Are you a reliable company?
Bora is located in Wenzu, a beautiful city in ZHangZhoug Province, China. we have many years
of manufacturing experience, we can supply all types of fire protection solutions,
Drainage and sewage solution, and other pump products. We have an independent factory and trade office.
Q2: Can I get some samples?
A: Yes, sample order is available for quality check and market test. But you have to pay the sample cost and express cost.
Q3: how to deliver the portable diesel water pump
We can offer our equipment by containers or bulk ship.
Q4: Do you receive customized orders?
A: Yes, ODM & OEM are welcomed.
Q5: How to pay for the portable Diesel water pump?
Usually by T/T, 30% down payment once PI confirmed, the balance will be paid after inspection and before shipment.
L/C at sight and soon
Q6: why choose CHINAMFG company?
We have an independent factory and foreign trade office. so we can design high-quality
portable generators and water pumps according to clients requirements and our price is reasonable.
And also
1: Professional and experienced manufacturer
2. 100% original parts and units produced by our own workshop
3. On-Time Delivery
4. Factory Direct Price
5. Strict quality control and processing management
6. We will reply to your inquiry in 24 hours.
联系我们
If you are interested in our products or have any questions about our products, we are very honored to serve you /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| 售后服务: | Lifelong Service |
|---|---|
| 保修单: | 一年 |
| 最大头部: | 80-110米 |
| 最大容量: | 200-300 升/分钟 |
| 驾驶类型: | 磁的 |
| 叶轮数量: | 单级泵 |
| 定制化: |
可用的
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真空泵可以用于真空包装吗?
是的,真空泵可以用于真空包装。以下是详细说明:
真空包装是一种将包装或容器内的空气抽出,形成真空环境的方法。这种方法有助于延长易腐产品的保质期,防止产品变质,并保持产品新鲜度。真空泵在实现有效包装所需的真空度方面起着至关重要的作用。
真空包装领域常用的真空泵主要有两种类型:
1. 单级真空泵:单级真空泵常用于真空包装应用。这类泵利用单个旋转叶片或活塞产生真空。它们可以达到适合大多数包装需求的适中真空度。单级泵结构相对简单、体积小巧且经济实惠。
2. 旋片式真空泵:旋片式真空泵是真空包装的另一种常用选择。这类泵利用安装在转子上的多个叶片产生真空。与单级泵相比,旋片式真空泵可提供更高的真空度,因此适用于需要更高真空度的应用。旋片式真空泵以其可靠性、性能稳定性和耐用性而著称。
使用真空泵进行真空包装时,通常涉及以下步骤:
1. 准备工作:确保包装材料(例如真空袋或容器)适用于真空包装,并且能够承受真空压力而不发生泄漏。将待包装的产品放入合适的包装材料中。
2. 密封:使用热封或专用真空密封设备对包装材料进行妥善密封。这可以确保产品处于气密状态。
3. 真空泵操作:将真空泵连接到包装设备或直接连接到包装材料上。启动真空泵,开始抽真空过程。真空泵会将包装内的空气抽出,形成真空环境。
4. 真空度控制:在包装过程中,使用压力表或真空传感器监测真空度。根据具体的包装要求,相应地调整真空度。目标是达到适合被包装产品的理想真空度。
5. 密封和封口:达到所需的真空度后,将包装材料完全密封,以维持真空环境。这可以通过热封包装材料或使用专为真空包装设计的专用密封装置来实现。
6. 产品标签和储存:密封后,根据需要对包装好的产品进行标签,并根据温度、湿度和光照等因素进行适当储存,以最大限度地延长产品的保质期。
需要注意的是,真空包装所需的具体真空度可能因被包装产品而异。有些产品可能只需要部分真空,而有些产品则可能需要更严格的真空度。真空泵的选择和控制机制将取决于具体的真空包装要求。
真空泵广泛应用于食品饮料、制药、电子等各个行业的真空包装应用中。它们能够高效可靠地创造真空环境,有助于保持产品质量并延长保质期。

干式真空泵和湿式真空泵有什么区别?
干式真空泵和湿式真空泵是两种截然不同的泵,它们的工作原理和应用领域各不相同。以下是对它们之间区别的详细说明:
干式真空泵:
干式真空泵无需在泵腔内使用任何润滑液或密封水即可运行。它们依靠非接触式机构产生真空。一些常见的干式真空泵类型包括:
1. 旋片泵:旋片泵由一个转子和一些叶片组成,这些叶片在转子上的槽内滑动。转子的旋转形成膨胀和收缩的腔室,从而实现气体的抽吸。叶片和泵壳的设计形成密封,防止气体回流到泵内。旋片泵常用于实验室、医疗应用以及需要中等真空度的工业生产过程中。
2. 干式螺杆泵:干式螺杆泵利用两个或多个相互啮合的螺杆来压缩和输送气体。当螺杆旋转时,气体被截留在螺纹之间,并从吸入侧输送到排出侧。干式螺杆泵以其高泵速、低噪音和能够处理多种气体而著称。它们广泛应用于半导体制造、化学加工和真空蒸馏等领域。
3. 爪式泵:爪式泵采用两个带有爪形叶片的转子,这两个转子反向旋转。旋转产生的腔室不断扩张和收缩,从而实现气体的捕获和泵送。爪式泵以其无油运行、高泵速以及适用于处理干燥洁净气体而著称。它们广泛应用于汽车制造、食品包装和环保技术等领域。
湿式真空泵:
湿式真空泵,又称液环泵,其工作原理是利用液体(通常是水)形成密封并产生真空。液环既是密封介质,也是工作流体。湿式真空泵常用于需要更高真空度或处理腐蚀性气体的场合。湿式真空泵的一些主要特点包括:
1. 液环泵:液环泵的叶轮带有叶片,在圆柱形泵壳内偏心旋转。叶轮旋转时,由于离心力的作用,液体在泵壳内形成液环。液环形成密封,随着叶轮的旋转,气室容积减小,从而压缩并排出气体。液环泵因其能够处理潮湿和腐蚀性气体而著称,因此适用于化工、炼油和废水处理等应用。
2. 水射流泵:水射流泵利用高速水流产生真空。水流会带动气体,混合物随后在文丘里管段进行分离,水循环利用,气体排出。水射流泵常用于实验室和需要中等真空度的应用场合。
干式真空泵和湿式真空泵的主要区别可概括如下:
1. 工作原理:干式真空泵无需任何密封液即可运行,而湿式真空泵则利用液环或水作为密封和工作介质。
2. 润滑:干式真空泵不需要润滑,因为运动部件之间没有接触,而湿式真空泵需要液体进行密封和润滑。
3. 应用:干式真空泵适用于需要中等真空度且要求无油运行的应用场合。它们常用于实验室、医疗机构和各种工业生产过程中。而湿式真空泵则用于需要更高真空度或处理腐蚀性气体的场合。它们广泛应用于化学加工、石油炼制和废水处理等领域。
值得注意的是,真空泵的选择取决于具体要求,例如所需的真空度、气体兼容性、操作条件和应用性质。
总而言之,干式真空泵和湿式真空泵的主要区别在于其工作原理、润滑要求和应用领域。干式真空泵无需任何润滑液即可运行,而湿式真空泵则依靠液环或水进行密封和润滑。干式真空泵和湿式真空泵的选择取决于具体应用需求和所需的真空度。

什么是真空泵?它的工作原理是什么?
真空泵是一种用于在封闭系统内产生和维持真空或低压环境的机械装置。以下是详细解释:
真空泵的工作原理是从密封腔室中抽出气体分子,降低腔室内的压力,从而产生真空。根据真空泵的具体类型,它通过各种机制和技术来实现这一目标。以下是真空泵运行的基本步骤:
1. 密封腔:
真空泵连接到一个密封的腔室或系统,需要从中抽出空气或气体分子。该腔室可以是容器、管道或任何其他封闭空间。
2. 进水口和出水口:
真空泵有一个进气口和一个排气口。进气口与密封腔相连,而排气口可以通向大气,也可以连接到收集系统以收集或释放抽出的气体。
3. 机械作用:
真空泵通过机械作用将气体分子从腔室中抽出。不同类型的真空泵采用不同的机械原理来实现这一目的:
– 容积式泵:这类泵通过物理方式捕获气体分子并将其从腔室中排出。例如旋片泵、活塞泵和隔膜泵。
动量传递泵:这类泵利用高速射流或旋转叶片将动量传递给气体分子,从而将它们推出腔室。例如涡轮分子泵和扩散泵。
– 捕集泵:这类泵通过将气体分子吸附或冷凝在泵体表面或材料内部来捕获气体分子。低温泵和离子泵都是捕集泵的例子。
4. 气体排放:
真空泵工作时,会在腔室和泵之间产生压力差。这种压力差会使气体分子从腔室向泵的入口移动。
5. 排气或收集:
气体分子从腔室中移除后,根据具体应用情况,要么排放到大气中,要么收集起来进行进一步处理。
6. 压力控制:
真空泵通常配备压力控制机构,以维持腔室内所需的真空度。这些机构包括阀门、调节器或反馈系统,用于调节泵的运行,从而达到所需的压力范围。
7. 监控与安全:
真空泵系统可能包含传感器、压力表或指示器,用于监测压力、温度或其他参数。此外,还可能包含安全装置,例如泄压阀或联锁装置,以保护系统和操作人员免受过压或其他危险情况的影响。
值得注意的是,不同类型的真空泵能够达到的真空度各不相同,适用于不同的压力范围和应用。真空泵的选择取决于多种因素,例如所需的真空度、气体成分、抽速以及具体应用的要求。
简而言之,真空泵是一种将密封腔室内的气体分子抽出,从而产生真空或低压环境的装置。真空泵通过机械作用(例如正向位移、动量传递或捕集)来实现这一目标。通过产生压差,真空泵将腔室内的气体抽出,然后排出或收集这些气体。真空泵在制造业、科研和科学应用等各个行业中都发挥着至关重要的作用。


编辑:CX 2024-04-04