Water pump and condensate water collecting system
By introducing cooling water channels and radiators into the condensate pump, the heat dissipation problem of the mechanical seal assembly is solved, cooling efficiency is improved, service life is extended, and maintenance costs are reduced.
Patent Information
- Application Number
- CN202422581128.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-10-24
AI Technical Summary
The mechanical seal assembly of existing condensate pumps is not ideal for heat dissipation in applications with high heat dissipation requirements, resulting in poor sealing performance, wear, and high failure rate.
Cooling water channels are introduced into the mechanical seal assembly and connected to the cooling water channel inlet through the pump body's outlet. Cooling is achieved by pumping liquid, and the cooling efficiency is improved by combining the radiator and fin structure.
It effectively reduces the temperature in the mechanical seal area, reduces wear and failure rate, extends service life, simplifies design, and is suitable for high-load operating conditions.
Smart Images
Figure CN223608812U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of mechanical seal, in particular to a water pump and a condensate water collecting system. BACKGROUND
[0002] Generally, the mechanical seal assembly is used in the condensate water collecting pump. In actual work, the sealing effect of the mechanical seal assembly is poor, especially in some occasions with high heat dissipation requirement, the heat dissipation speed is still not ideal. CONTENT
[0003] Therefore, the present application aims to overcome the defects in the prior art, and provides a water pump and a condensate water collecting system, which can improve the heat dissipation efficiency of the mechanical seal assembly and prolong the service life of the mechanical seal assembly.
[0004] The present application provides the following technical solutions:
[0005] In a first aspect, the present application provides a water pump, which comprises:
[0006] A pump body, the pump body having a mechanical seal assembly and a discharge outlet, the mechanical seal assembly having a cooling water channel, and the inlet of the cooling water channel being communicated with the discharge outlet.
[0007] In some embodiments of the first aspect, the water pump further comprises:
[0008] A radiator, the radiator having a water inlet and a water outlet, the water inlet being connected with the discharge outlet, and the water outlet being communicated with the inlet.
[0009] In some embodiments of the first aspect, the radiator comprises a pipe and fins, one end of the pipe being communicated with the discharge outlet, the other end of the pipe being communicated with the inlet, and the inner wall and / or the outer wall of the pipe being provided with a plurality of fins.
[0010] In some embodiments of the first aspect, the pipe is arranged in a bent manner.
[0011] In some embodiments of the first aspect, the pipe extends along an S-shaped path.
[0012] In some embodiments of the first aspect, the included angle between the direction of the water inlet and the direction of the discharge outlet is obtuse.
[0013] In some embodiments of the first aspect, the pipe comprises at least one U-shaped pipe, and when the number of the U-shaped pipes is plural, the plural U-shaped pipes are connected in sequence.
[0014] In some embodiments of the first aspect, the U-shaped tubes are detachably connected.
[0015] In some embodiments of the first aspect, the mechanical seal assembly is configured as a single-end mechanical seal.
[0016] In a second aspect, the present application also provides a condensate water collection system, which comprises the water pump according to any one of the above embodiments.
[0017] Embodiments of the present application have the following advantages:
[0018] The present application provides a water pump, which can more effectively reduce the temperature of the mechanical seal area by introducing a cooling water channel, thereby reducing wear and failure rate caused by high temperature. Good thermal management helps to prolong the service life of the mechanical seal and its related components, thereby reducing maintenance costs and downtime. Moreover, the cooling water channel can be directly cooled by the pumped liquid, so there is no need to additionally set up a special cooling system, thereby simplifying the overall design. It should be noted that since the inlet and the discharge outlet of the pump body are in communication, the flow rate of the cooling water can be effectively improved, thereby improving the cooling efficiency, which is particularly suitable for application environments under high load operating conditions.
[0019] The present application also relates to a condensate water collection system. Since the above-mentioned water pump has the above-mentioned technical effects, the condensate water collection system comprising the water pump should also have the same technical effects, which will not be described here again.
[0020] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0022] Figure 1 Fig. 1 shows a structural schematic diagram of a water pump according to an embodiment of the present application.
[0023] Main element symbol explanation:
[0024] 100-pump body; 110-discharge outlet; 120-mechanical seal assembly; 121-inlet; 200-radiator; 210-pipe; 211-U-shaped tube; 220-fins; 230-water inlet; 240-water outlet. DETAILED DESCRIPTION
[0025] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein like or similar elements are denoted by the same or similar reference symbols throughout the drawings. The embodiments described below are examples only, and are not intended to limit the present application.
[0026] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. Like numbers refer to like elements throughout the description of the drawings.
[0027] In the present application, unless otherwise explicitly defined or limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be interpreted broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0028] In addition, the terms "first", "second", etc. are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly defined.
[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the specification of the template is only for the purpose of describing the specific embodiments and is not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0030] In the related art, the condensate extraction pump, also known as the condensate pump or the condensate water pump, is very common in industrial applications, especially in steam systems, air conditioning systems, and any occasion where a large amount of steam is generated and condensate needs to be recovered. The main function of such a pump is to extract condensate from a lower position (usually the bottom of the equipment or the drainage point) and deliver it to a higher position or other processing facilities.
[0031] Generally, the condensate extraction pump used adopts a mechanical seal assembly. In actual work, the sealing effect of the mechanical seal assembly is poor, especially in some occasions where heat dissipation is required, the heat dissipation speed is still not ideal.
[0032] As shown in Figure 1 To solve the above technical problems, the water pump provided by the embodiments of the present application includes a pump body 100, the pump body 100 has a mechanical seal assembly 120 and a discharge port 110, the mechanical seal assembly 120 has a cooling water channel, and the inlet 121 of the cooling water channel and the discharge port 110 are connected.
[0033] It should be noted that the mechanical seal assembly 120 is used to prevent leakage between the pump shaft and the pump shell. It is composed of a series of precisely matched components, including static rings, dynamic rings, etc. The cooling water channel forms a channel near or inside the mechanical seal, allowing a cooling medium (usually water) to flow through to carry away the heat generated during work. Among them, the inlet 121 of the cooling water channel and the discharge port 110 are directly connected with the discharge port 110 of the pump body 100, which means that a part of the liquid delivered by the pump body can be used as a cooling medium.
[0034] As can be easily understood, the cooling medium enters through the inlet of the cooling water channel, absorbs heat when flowing through the mechanical seal area, and then discharges through the outlet of the cooling water channel after absorbing heat, completing a cycle. Therefore, through such a continuous cycle process, it is ensured that the sealing area is always within the appropriate working temperature range.
[0035] For example, the discharge port 110 of the pump body 100 is connected with the inlet 121 of the cooling water channel through a water pipe.
[0036] Furthermore, in actual work, the power of the water pump increases, the speed increases, and the heat generated by the mechanical seal assembly 120 also increases, at the same time, the flow rate of the discharge port 110 of the water pump also increases, thereby being able to increase the cooling efficiency of the mechanical seal assembly 120. That is, such a setting can realize self-adaptive adjustment of the cooling efficiency of the water pump. And without the need to additionally increase the power equipment for delivering cooling water to the cooling water channel.
[0037] Obviously, by introducing the cooling water channel, the temperature of the mechanical seal area can be more effectively reduced, and the wear and failure rate caused by high temperature can be reduced. Good thermal management helps to prolong the service life of the mechanical seal and its related components, thereby reducing maintenance costs and downtime. Moreover, the cooling water channel can be directly cooled by the pumped liquid, without the need for additional dedicated cooling systems, simplifying the overall design. It should be noted that since the inlet 121 and the discharge outlet 110 of the pump body 100 are connected, the flow rate of the cooling water can be effectively improved, thereby improving the cooling efficiency, which is particularly suitable for application environments under high load operating conditions.
[0038] As shown in some embodiments, the water pump further comprises a radiator 200 having a water inlet 230 and a water outlet 240, the water inlet 230 being connected to the discharge outlet 110, and the water outlet 240 being in communication with the inlet 121. Figure 1
[0039] In these embodiments, the water inlet 230 of the radiator 200 is connected to the discharge outlet 110 of the pump body 100, and the water outlet 240 of the radiator 200 is in communication with the inlet 121 of the mechanical seal assembly 120. Through the radiator 200, the cooling effect can be further enhanced to ensure that the temperature of the mechanical seal area is effectively controlled. That is, the cooling water from the discharge outlet 110 of the pump body 100 can be further cooled to improve the cooling effect. In particular, the condensate water pump applied in the present application can cool the condensate water with a relatively high temperature through the radiator 200.
[0040] It is easy to understand that the working process is as follows:
[0041] The condensate water enters the inlet 121 of the cooling water channel of the mechanical seal assembly 120 through the radiator 200. When flowing through the mechanical seal area, it absorbs heat, and then the heat-absorbed condensate water is discharged through the outlet. In the radiator 200, the condensate water is further cooled. The cooled condensate water is discharged from the water outlet 240 of the radiator 200 and flows into the inlet 121 of the cooling water channel of the mechanical seal assembly 120, completing a cycle.
[0042] As shown in some embodiments, the radiator 200 comprises a pipe 210 and a fin 220, one end of the pipe 210 being in communication with the discharge outlet 110, the other end of the pipe 210 being in communication with the inlet 121, and the inner wall of the pipe 210 and / or the outer wall of the pipe 210 being distributed with a plurality of fins 220. Figure 1
[0043] In these embodiments, the heat sink 200 is composed of a pipe 210 and fins 220. One end of the pipe 210 is in communication with the inlet 121 of the mechanical seal assembly 120, and the other end is in communication with the outlet 110 of the pump body 100. The inner wall and / or the outer wall of the pipe 210 is provided with a plurality of fins 220 to increase the heat dissipation area and improve the heat dissipation efficiency. The fins 220 increase the heat exchange surface and accelerate the transfer of heat to the surrounding environment, thereby more effectively reducing the temperature of the cooling medium (i.e., condensed water).
[0044] For example, in the present embodiment, the outer wall of the pipe 210 is provided with fins 220; of course, in other embodiments, the inner wall of the pipe 210 is provided with fins 220, and the fins 220 can be a protruding structure; or, the inner wall and the outer wall of the pipe 210 are both provided with fins 220.
[0045] As shown in the drawings, Figure 1 In some embodiments, the pipe 210 is at least partially bent.
[0046] In these embodiments, the bending of the pipe 210 is to increase the heat exchange area and prolong the residence time of the fluid in the heat sink 200. Obviously, this design can effectively increase the fluid path length, allowing more time for heat to dissipate into the surrounding environment. Of course, by bending the pipe 210, space can be saved.
[0047] For example, the pipe 210 is provided with multiple bending sections, and the bending sections are in the shape of a U. Of course, the bending sections can also be in the shape of a V, etc.
[0048] As shown in the drawings, Figure 1 In some embodiments, the pipe 210 extends at least partially along an S-shaped path.
[0049] In these embodiments, the entire pipe 210 is arranged to extend along an S-shaped path, which can further increase the heat exchange efficiency. Of course, other curved structures can also be used. Here, no specific limitation is made, and the arrangement can be made according to the specific requirements.
[0050] As shown in the drawings, Figure 1 In some embodiments, the orientation of the water inlet 230 is opposite to the orientation of the outlet 110.
[0051] In these embodiments, by arranging the orientation of the water inlet 230 to be opposite to the orientation of the outlet 110, the amount and flow rate of the cooling water discharged from the outlet into the water inlet 230 can be further increased. Moreover, this helps the water to smoothly enter and exit the heat sink 200, reduces resistance, and improves flow efficiency.
[0052] Alternatively, in other embodiments, the included angle between the orientation of the water inlet 230 and the orientation of the discharge outlet 110 is an obtuse angle. For example, the included angle between the orientation of the water inlet 230 and the orientation of the discharge outlet 110 is 100°, 110°, 120°, 130°, 140°, etc.
[0053] As shown in some embodiments, the pipe 210 includes at least one U-shaped pipe 211, and when the number of U-shaped pipes 211 is multiple, the multiple U-shaped pipes 211 are sequentially connected in series. Figure 1
[0054] In these embodiments, this design not only increases the length of the fluid path, but also increases the heat exchange area, thereby improving the heat dissipation effect.
[0055] Furthermore, by sequentially connecting multiple U-shaped pipes 211, the production and installation of the pipe 210 are facilitated, and the cost is reduced.
[0056] In some embodiments, adjacent U-shaped pipes 211 can be detachably connected.
[0057] In these embodiments, the U-shaped pipe 211 (also known as U-shaped elbow pipe or U-shaped heat exchange pipe) is widely used in heat exchangers, condensers and other equipment. These U-shaped pipes 211 sometimes need to be designed in a detachable form to facilitate maintenance, cleaning or replacement. There are many ways to achieve detachable connection between adjacent U-shaped pipes 211, depending on the requirements of the application scenario and the properties of the medium being processed, etc.
[0058] For example, several common methods are listed as follows:
[0059] Flange connection: This is a very common and practical way, by installing flanges on both ends of each U-shaped pipe 211, and using bolts and nuts to fasten them together, to form a sealed and solid connection. This method has the advantages of easy assembly and disassembly, and good sealing performance.
[0060] Quick connector: For some applications that do not need to withstand high pressure, a quick connector can be used to achieve quick and convenient connection and separation. Such connectors usually contain a set of locking mechanisms, allowing users to complete the operation without tools.
[0061] Clamp sleeve connection: A specially designed clamp sleeve is fitted outside the pipe 210 and fixed by screws, etc., suitable for connecting pipes 210 of smaller diameter. It provides good air tightness and is relatively easy to install.
[0062] Post-welded valve installation: Although direct welding is one of the most secure connection methods, in some cases, in order to ensure the flexibility of the system, valves can be installed between the welded U-shaped pipes 211. In this way, without affecting the overall structural strength, local maintenance can be carried out by closing the corresponding valve.
[0063] Hose connection: For scenarios with high mobility requirements, flexible hoses can also be considered as transition sections, one end connected to the U-shaped pipe 211, and the other end adjusted flexibly according to needs.
[0064] In some embodiments, the mechanical seal assembly 120 is configured as a single-end mechanical seal.
[0065] In these embodiments, the single-end mechanical seal is a rotating shaft sealing method mainly used to prevent fluid from leaking from the inside of the device to the outside environment, or to prevent external contaminants from entering the inside of the device. It is usually composed of static ring, dynamic ring, spring (or other elastic elements), sealing ring, etc., and only provides sealing effect on one side.
[0066] Among them, the main components of the single-end mechanical seal include:
[0067] Static ring: fixedly installed on the shell, not rotating with the shaft.
[0068] Dynamic ring: installed on the rotating shaft, rotating with the shaft.
[0069] Spring / bellows: provides a continuous pressure to the dynamic ring, ensuring that it is in close contact with the static ring, thereby forming an effective sealing interface.
[0070] Other types of seals: used to seal the gap between the dynamic ring and the shaft, and the gap between the static ring and the shell.
[0071] For example, the seal is configured as a graphite seal ring, which can solve the problem of high-temperature deformation of fluorine rubber O-ring.
[0072] In some embodiments, the present application also provides a condensate water collection system, which comprises the water pump of any one of the above embodiments.
[0073] Since the above-mentioned water pump has the above-mentioned technical effects, the condensate water collection system comprising the water pump should have the same technical effects, which will not be repeated here.
[0074] In all examples shown and described here, any specific value should be interpreted as merely exemplary, not as a limitation, so other examples of exemplary embodiments can have different values.
[0075] It should be noted that like numerals and letters refer to like items throughout the several views, and once an item is defined in one view, it should not require further defining and explaining in the subsequent views.
[0076] The above-described embodiments are merely illustrative for the several embodiments of the present application, and the description is relatively specific and detailed, but should not be understood as limiting the scope of the present application. It should be noted that for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application.
Claims
1. A water pump characterized by comprising: The water pump comprises: a pump body having a mechanical seal assembly and a discharge outlet, the mechanical seal assembly having a cooling water channel, an inlet of the cooling water channel being communicated with the discharge outlet; The water pump further comprises: a radiator having a water inlet and a water outlet, the water inlet being connected with the discharge outlet, and the water outlet being communicated with the inlet; The radiator comprises a pipe and fins, one end of the pipe being communicated with the discharge outlet, the other end of the pipe being communicated with the inlet, and the inner wall and / or the outer wall of the pipe being distributed with a plurality of fins; The pipe comprises at least one U-shaped pipe, and when the number of the U-shaped pipes is plural, the plural U-shaped pipes are connected in series. The adjacent U-shaped pipes are detachably connected.
2. The water pump of claim 1, wherein The pipe is at least partially bent.
3. The water pump of claim 2, wherein The pipe extends at least partially along an S-shaped path.
4. The water pump of claim 1, wherein The included angle between the direction of the water inlet and the direction of the discharge outlet is obtuse.
5. The water pump of claim 1, wherein The mechanical seal assembly is arranged as a single-end mechanical seal.
6. A condensate collection system characterized by, The condensate water collecting system comprises the water pump according to any one of claims 1 to 5.