CN204511901U - The canned motorpump containing the easy gasifying medium of solid particle can be carried - Google Patents

The canned motorpump containing the easy gasifying medium of solid particle can be carried Download PDF

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Publication number
CN204511901U
CN204511901U CN201520013279.7U CN201520013279U CN204511901U CN 204511901 U CN204511901 U CN 204511901U CN 201520013279 U CN201520013279 U CN 201520013279U CN 204511901 U CN204511901 U CN 204511901U
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CN
China
Prior art keywords
rotor
main impeller
sliding bearing
chamber
rotor chamber
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Expired - Lifetime
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CN201520013279.7U
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Chinese (zh)
Inventor
张朦
尹晓杰
刘兴鸣
曲平
张阳
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DALIAN HERMETIC PUMPS CO LTD
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DALIAN HERMETIC PUMPS CO LTD
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Priority to CN201520013279.7U priority Critical patent/CN204511901U/en
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Abstract

本实用新型公开一种可输送含固体颗粒易气化介质的屏蔽泵,包括位于转子轴上的主叶轮,与转子轴相配的设置有滑动轴承,滑动轴承远离主叶轮的方向处设有转子腔,其特征在于:与转子腔相连通的设置有循环管路,循环管路的入口位于转子腔靠近主叶轮的一端,出口位于转子腔的尾端,在循环管路上设置有换热器和计量泵,转子轴位于转子腔内的部分上设置有副叶轮,位于主叶轮后方的耐磨板上开设有沟槽,沟槽与滑动轴承靠近主叶轮一侧所在的腔室相连,即沟槽与上述循环管路的入口分别位于滑动轴承的两侧。这是一种结构简单,设计巧妙,能够输送含有固体颗粒、且易气化介质的屏蔽泵。

The utility model discloses a shielded pump capable of transporting solid particle-containing and easy-to-gasify medium, which comprises a main impeller located on a rotor shaft, and a sliding bearing matched with the rotor shaft, and a rotor chamber is arranged at a direction where the sliding bearing is away from the main impeller , which is characterized in that: a circulation pipeline is connected with the rotor chamber, the inlet of the circulation pipeline is located at the end of the rotor chamber close to the main impeller, and the outlet is located at the tail end of the rotor chamber, and a heat exchanger and metering are arranged on the circulation pipeline In the pump, the part of the rotor shaft located in the rotor cavity is provided with an auxiliary impeller, and a groove is opened on the wear-resistant plate behind the main impeller, and the groove is connected with the chamber where the sliding bearing is close to the main impeller, that is, the groove and The inlets of the circulation pipelines are respectively located on both sides of the sliding bearing. This is a canned pump with simple structure and ingenious design, which can transport medium containing solid particles and easy to gasify.

Description

可输送含固体颗粒易气化介质的屏蔽泵Canned pump that can transport solid particles and easy gasification medium

技术领域 technical field

本实用新型涉及一种屏蔽泵,特别是一种可输送含固体颗粒易气化介质的屏蔽泵。 The utility model relates to a shielding pump, in particular to a shielding pump capable of transporting a medium containing solid particles which is easy to gasify.

背景技术 Background technique

在全球关注环境保护的大环境下,完全无泄漏的屏蔽泵的需求日益增长。但由于屏蔽泵使用碳化硅的滑动轴承,使得一般的屏蔽泵无法输送带有固体颗粒的介质,尤其是介质还具有易气化或易结晶的特性,而且由于介质会吸收屏蔽电机的热量而气化,更为输送类似介质增加了难度。因此现在需要一种能够解决上述问题的新型屏蔽泵。 In the context of global concerns about environmental protection, there is an increasing demand for completely leak-free canned pumps. However, because the canned pump uses silicon carbide sliding bearings, the general canned pump cannot transport the medium with solid particles, especially the medium is easy to gasify or crystallize, and because the medium will absorb the heat of the canned motor and gas It is more difficult to transport similar media. Therefore need a kind of novel canned pump that can solve the above-mentioned problem now.

发明内容 Contents of the invention

本实用新型是为了解决现有技术所存在的上述不足,提出一种结构简单,设计巧妙,能够输送含有固体颗粒、且易气化介质的屏蔽泵。 The utility model aims to solve the above-mentioned deficiencies in the prior art, and proposes a canned pump with simple structure and ingenious design, which can transport medium containing solid particles and is easy to gasify.

本实用新型的技术解决方案是:一种可输送含固体颗粒易气化介质的屏蔽泵,包括位于转子轴1上的主叶轮2,与转子轴1相配的设置有滑动轴承3,滑动轴承3远离主叶轮2的方向处设有转子腔4,其特征在于:与转子腔4相连通的设置有循环管路5,循环管路5的入口6位于转子腔4靠近主叶轮2的一端,出口7位于转子腔4的尾端,在循环管路5上设置有换热器8和计量泵9,转子轴1位于转子腔4内的部分上设置有副叶轮10,位于主叶轮2后方的耐磨板11上开设有沟槽12,沟槽12与滑动轴承3靠近主叶轮2一侧所在的腔室相连,即沟槽12与上述循环管路5的入口6分别位于滑动轴承3的两侧。 The technical solution of the utility model is: a shielded pump capable of transporting solid particles and easily gasified medium, including a main impeller 2 located on the rotor shaft 1, and a sliding bearing 3 matched with the rotor shaft 1, the sliding bearing 3 A rotor chamber 4 is provided at a direction away from the main impeller 2, and its characteristic is that a circulation pipeline 5 is connected to the rotor chamber 4, and the inlet 6 of the circulation pipeline 5 is located at the end of the rotor chamber 4 close to the main impeller 2, and the outlet 7 is located at the tail end of the rotor cavity 4, a heat exchanger 8 and a metering pump 9 are arranged on the circulation pipeline 5, a sub-impeller 10 is installed on the part of the rotor shaft 1 located in the rotor cavity 4, and the resistance behind the main impeller 2 There is a groove 12 on the grinding plate 11, and the groove 12 is connected with the chamber where the sliding bearing 3 is close to the main impeller 2, that is, the groove 12 and the inlet 6 of the above-mentioned circulation pipeline 5 are respectively located on both sides of the sliding bearing 3 .

本实用新型同现有技术相比,具有如下优点: Compared with the prior art, the utility model has the following advantages:

传统结构形式的屏蔽泵,由于采用滑动轴承而无法进行带有固体颗粒以及易气化的介质的输送,针对该问题,本申请所公开的屏蔽泵,创造性地在屏蔽泵的耐磨板背部开槽,将屏蔽泵叶轮产生的主扬程的压力传递给转子腔,进一步加大转子腔压力,以防止计量泵注入的清洁介质因吸收电机的热量而汽化,保持转子腔端的压力大于泵头端压力的方式来防止含有固体颗粒及易气化的主介质进入转子腔中,将转子腔与泵头部分完全隔绝开来,这样转子腔中只有清洁的介质在不断的循环,也就可以实现保护滑动轴承和定子屏蔽套的作用。并且它的制作工艺简单,制造成本低廉,因此可以说它具备了多种优点,特别适合于在本领域中推广应用,其市场前景十分广阔。 Due to the use of sliding bearings, the canned pumps with traditional structures cannot transport solid particles and easily gasified media. To solve this problem, the canned pump disclosed in this application is creatively developed on the back of the wear-resistant plate of the canned pump. The groove transmits the pressure of the main lift generated by the impeller of the shielded pump to the rotor chamber, further increasing the pressure of the rotor chamber to prevent the cleaning medium injected by the metering pump from being vaporized due to the heat absorbed by the motor, and to keep the pressure at the end of the rotor chamber greater than the pressure at the pump head The way to prevent the main medium containing solid particles and easy gasification from entering the rotor chamber, completely isolate the rotor chamber from the pump head, so that only the clean medium in the rotor chamber is continuously circulating, and the protection of sliding can be realized. The role of bearings and stator shielding sleeves. Moreover, its manufacturing process is simple and its manufacturing cost is low, so it can be said that it has many advantages, and is especially suitable for popularization and application in this field, and its market prospect is very broad.

附图说明 Description of drawings

图1是本实用新型实施例的结构示意图。 Fig. 1 is a schematic structural view of an embodiment of the utility model.

图2是本实用新型实施例主叶轮部分的局部放大图。 Fig. 2 is a partially enlarged view of the main impeller part of the embodiment of the present invention.

具体实施方式 Detailed ways

下面将结合附图说明本实用新型的具体实施方式。如图1、图2所示:一种可输送含固体颗粒易气化介质的屏蔽泵,包括位于转子轴1上的主叶轮2,在屏蔽泵内部还设置有与转子轴1相配的滑动轴承3,滑动轴承3的前方(即朝向主叶轮2的方向)为泵头部分,滑动轴承3的后方(即背离主叶轮2的方向)设有转子腔4,与这个转子腔4相连通的设置有循环管路5,这个循环管路5的入口6位于转子腔4上靠近主叶轮2的一端,而循环管路5的出口7则位于转子腔4的尾端,在循环管路5上设置有换热器8和计量泵9,而转子轴1位于转子腔4内的部分上还设置有副叶轮10,位于主叶轮2后方的耐磨板11上开设有沟槽12,这个沟槽12与滑动轴承3靠近主叶轮2一侧所处的腔室相连通,即沟槽12与所述的循环管路5的入口6分别位于滑动轴承3的两侧。 The specific embodiment of the utility model will be described below in conjunction with the accompanying drawings. As shown in Figure 1 and Figure 2: a canned pump that can transport solid particles and easily gasified medium, including the main impeller 2 located on the rotor shaft 1, and a sliding bearing matching the rotor shaft 1 is also arranged inside the canned pump 3. The front of the sliding bearing 3 (that is, the direction toward the main impeller 2) is the pump head part, and the rear of the sliding bearing 3 (that is, the direction away from the main impeller 2) is provided with a rotor cavity 4, which is connected to the rotor cavity 4. There is a circulation pipeline 5, the inlet 6 of this circulation pipeline 5 is located at the end of the rotor chamber 4 close to the main impeller 2, and the outlet 7 of the circulation pipeline 5 is located at the tail end of the rotor chamber 4, and is set on the circulation pipeline 5 There is a heat exchanger 8 and a metering pump 9, and the part of the rotor shaft 1 located in the rotor cavity 4 is also provided with an auxiliary impeller 10, and a groove 12 is opened on the wear-resistant plate 11 located behind the main impeller 2. The groove 12 It communicates with the chamber on the side of the sliding bearing 3 close to the main impeller 2 , that is, the groove 12 and the inlet 6 of the circulation pipeline 5 are respectively located on both sides of the sliding bearing 3 .

本实用新型实施例的可输送含固体颗粒易气化介质的屏蔽泵的工作过程如下:在屏蔽泵工作前,开启计量泵9,待转子腔4、循环管路5和换热器8中都充满了清洁介质后,开启屏蔽泵,转子轴1转动的过程中带动主叶轮2转动,将需要输送的含有固体颗粒且易气化的主介质泵送出去;同样的,转子轴1转动的过程中也会带动副叶轮10转动,副叶轮10产生的动力会驱动清洁的介质在转子腔4、循环管路5和换热器8中流动并循环,清洁介质进入换热器8后会在此处进行散热,以保证转子腔4内温度的恒定,在清洁介质循环的过程中,计量泵9不断的向循环管路5中泵送清洁介质,在计量泵9和副叶轮10的共同作用下,转子腔4内的液体压力要大于泵头端主叶轮2的液体压力,因此一部分清洁介质会经过滑动轴承3、沟槽12后由屏蔽泵的出口排出,这样就能够防止含有固体颗粒和易气化的主介质进入转子腔4中。 The working process of the shielded pump that can transport the medium containing solid particles and easy gasification in the embodiment of the utility model is as follows: before the shielded pump works, the metering pump 9 is turned on, and the rotor chamber 4, the circulation pipeline 5 and the heat exchanger 8 are all filled. After the cleaning medium is filled, the canned pump is turned on, and the main impeller 2 is driven to rotate during the rotation of the rotor shaft 1, and the main medium containing solid particles and easy to gasify that needs to be transported is pumped out; similarly, during the rotation of the rotor shaft 1 It will also drive the auxiliary impeller 10 to rotate. The power generated by the auxiliary impeller 10 will drive the clean medium to flow and circulate in the rotor chamber 4, the circulation pipeline 5 and the heat exchanger 8. After the clean medium enters the heat exchanger 8, it will Heat dissipation at the place to ensure the constant temperature in the rotor cavity 4, during the circulation of the cleaning medium, the metering pump 9 continuously pumps the cleaning medium into the circulation pipeline 5, under the joint action of the metering pump 9 and the auxiliary impeller 10 , the liquid pressure in the rotor cavity 4 is greater than the liquid pressure of the main impeller 2 at the pump head end, so part of the cleaning medium will pass through the sliding bearing 3 and the groove 12 and then be discharged from the outlet of the shielded pump, which can prevent solid particles and easy The vaporized main medium enters the rotor chamber 4 .

Claims (1)

1. can carry the canned motorpump containing the easy gasifying medium of solid particle for one kind, comprise the main impeller (2) be positioned on rotor shaft (1), what match with rotor shaft (1) is provided with sliding bearing (3), sliding bearing (3) is provided with rotor chamber (4) away from the direction place of main impeller (2), it is characterized in that: what be connected with rotor chamber (4) is provided with circulation loop (5), the entrance (6) of circulation loop (5) is positioned at rotor chamber (4) one end near main impeller (2), outlet (7) is positioned at the tail end of rotor chamber (4), circulation loop (5) is provided with heat exchanger (8) and metering pump (9), the part that rotor shaft (1) is positioned at rotor chamber (4) is provided with sub-propeller (10), the wearing plate (11) being positioned at main impeller (2) rear offers groove (12), groove (12) is connected with the chamber of sliding bearing (3) near main impeller (2) place, side, namely groove (12) and the entrance (6) of above-mentioned circulation loop (5) lay respectively at the both sides of sliding bearing (3).
CN201520013279.7U 2015-01-09 2015-01-09 The canned motorpump containing the easy gasifying medium of solid particle can be carried Expired - Lifetime CN204511901U (en)

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CN201520013279.7U CN204511901U (en) 2015-01-09 2015-01-09 The canned motorpump containing the easy gasifying medium of solid particle can be carried

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Application Number Priority Date Filing Date Title
CN201520013279.7U CN204511901U (en) 2015-01-09 2015-01-09 The canned motorpump containing the easy gasifying medium of solid particle can be carried

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108105114A (en) * 2017-12-27 2018-06-01 合肥新沪屏蔽泵有限公司 A kind of backwash type canned motor pump with metering pump for pumping the medium containing particulate matter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108105114A (en) * 2017-12-27 2018-06-01 合肥新沪屏蔽泵有限公司 A kind of backwash type canned motor pump with metering pump for pumping the medium containing particulate matter

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Granted publication date: 20150729