CN201627674U - A closed pipeline fluid transmission device - Google Patents

Abstract

The utility model provides a closed pipeline fluid transmission device, which comprises: a pump body fixed on the foundation, the pump body is airtightly connected to the pipeline passage, an impeller is arranged in the pump body, and the impeller is installed on the In the pump body, the impeller bearing is perpendicular to the flow direction of the fluid in the pipeline; a power generation device, a transmission device for driving the power generation device is arranged between the power generation device and the impeller bearing, and the transmission device is installed on the impeller bearing One end and the rotating shaft of the power generation device; the pump body and the power generation device are all fixed on the foundation through the fixed bottom plate arranged at their bottom. The closed pipeline fluid transmission device of the utility model converts the mechanical energy of the fluid in the pipeline into electric energy by setting a closed pump body between the closed pipelines, and has a reasonable structure and a scientific design, and can rationally utilize the energy and improve energy efficiency.

Description

A closed pipeline fluid transmission device

technical field

The utility model relates to a device for converting potential energy into electric energy, in particular to a closed pipeline fluid transmission device.

Background technique

At present, with the development of social economy, the process of industrialization continues to advance, and the urbanization of rural areas and large-scale cities are becoming more and more common, which will inevitably lead to an increase in urban water and electricity consumption. The water supply network pipes or water tower pipes scattered all over the country contain rich hydraulic resources. Therefore, how to develop and utilize these water resources to alleviate the contradiction of power supply is a very important research topic. In the field of traditional hydropower development technology, common technical means are generally limited to building high-water-level dams for power generation. Building high-water-level dams can, on the one hand, save larger water sources and ensure the amount of water needed for power generation; The surface water level increases the momentum of the water flow. In order to increase the water level and flow velocity to increase the momentum, it is indeed effective to increase the height of the reservoir dam, but it will lead to a geometric progression in the cost of the reservoir, and a simultaneous increase in the construction period. , Social security brings hidden dangers. The technology of using the impact force of the water flow of the water pipes of the water tower or the water pipes of various water storage devices to promote the generation of hydroelectric generator sets has not only avoided the above problems, but also opened up a new way for various places to increase revenue and reduce expenditure, and to benefit the people. Chinese Patent Application Publication No. CN 1232924A discloses a "tap water culvert power generation device", which connects one or several water turbine generators in water pipelines such as tap water culverts or water tower water pipes, and utilizes the impact of water to drive The hydroelectric generating set achieves the purpose of generating electricity. This device is used in the process of hydroelectric power generation. Most of the kinetic energy of the water is converted into mechanical energy by the water turbine to generate electricity. The water pressure of the culvert pipe or the water tower water pipe is seriously reduced, which in turn affects the normal production and domestic water supply. Therefore, there is no technology to utilize the remaining water kinetic energy in society so far.

Therefore, it is an urgent problem to be solved in the industry to design an effective utilization device of pipeline water resources, overcome the technical defects existing in the prior art, and realize efficient and reasonable utilization of tap water resources.

Utility model content

In view of this, the technical problem to be solved by the utility model is to provide a closed pipeline fluid transmission device, which can reasonably utilize the energy in the pipeline fluid and improve the energy utilization efficiency.

In order to solve the above technical problems, an embodiment of the present invention provides a closed pipeline fluid transmission device, including:

The pump body fixed on the foundation, the pump body is airtightly connected to the pipeline passage, the pump body is provided with an impeller, the impeller is installed in the pump body through the impeller bearing, and the impeller bearing is perpendicular to the flow direction of the fluid in the pipeline;

A power generation device, a transmission device driving the power generation device is arranged between the power generation device and the impeller bearing, and the transmission device is installed on one end of the impeller and the rotating shaft of the power generation device;

Both the pump body and the power generating device are fixed on the foundation through a fixed bottom plate arranged at their bottoms.

As a further improvement of the above technical solution, the closed pipeline fluid transmission device of the present invention also includes part or all of the following technical features:

Preferably, blades are uniformly arranged on the impeller, and the blades are radial blades.

In one embodiment of the present utility model, in order to improve the rotation efficiency of the impeller, the tail section of the blade is curved in an arc, and the concave part of the arc is facing the fluid flow direction of the pipeline at the inlet of the pump body.

Preferably, in order to improve the performance of the closed pipeline fluid transmission device of the present invention, the pipeline at the inlet of the pump body forms an angle of 0-90 degrees with the horizontal direction.

Preferably, a sealing ring is provided between the impeller bearing and the pump body, the transmission device is installed at one end of the impeller bearing, the flywheel is arranged at the other end of the impeller bearing, and the bearing cover of the impeller bearing is connected with the pump body arranged on the outer wall of the pump body. Lubricant is contained between the covers.

Preferably, the transmission device is a belt transmission device, the large pulley is installed on one end of the impeller bearing, the small pulley is fixed on the rotating shaft of the power generation device, and there is a device between the large pulley and the small belt to realize the transmission of the two. triangle belt.

Preferably, in order to facilitate the use of the closed pipeline fluid transmission device of the present utility model and to facilitate easy maintenance in case of failure, the closed pipeline fluid transmission device of the present utility model also includes a spare pipeline, and the standby pipeline is erected on the pump Between upstream of the inlet end of the body and downstream of the outlet.

Preferably, in order to further improve the operability of the enclosed pipeline fluid transmission device of the present invention, the pipeline upstream of the inlet of the pump body, the pipeline downstream of the outlet and the backup pipeline are all provided with valves for adjusting fluid flow.

Compared with the prior art, the technical solution of the utility model has the following advantages:

The closed pipeline fluid transmission device of the utility model converts the mechanical energy of the fluid in the pipeline into electrical energy by setting a closed pump body between the closed pipelines, and the technical scheme of the utility model has high energy conversion efficiency and reasonable energy utilization In the process, the utilization rate of fluid mechanical energy is high, which can effectively overcome the defects and deficiencies in the prior art. In addition, a sealing ring is set between the pump body and the impeller bearing so that the fluid will not be damaged due to the existence of the transmission device. It is polluted, and by setting up spare pipelines, the operability of installation and maintenance is greatly improved, and it can be widely used in various waterworks, and rationally utilize some water energy that may cause waste.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The following describes in detail in combination with preferred embodiments and accompanying drawings.

Description of drawings

Fig. 1 shows the top view of the utility model closed pipeline fluid transmission device;

Fig. 2 shows the front view of the utility model closed pipeline fluid transmission device;

Fig. 3 has shown the structure schematic diagram of the impeller of the closed pipeline fluid transmission device of the embodiment of the present utility model;

Fig. 4 shows the structural schematic diagram of the impeller of the closed pipeline fluid transmission device of the second embodiment of the utility model;

Fig. 5 shows the structural schematic diagram of the pump body of the closed pipeline fluid transmission device of the third embodiment of the utility model;

FIG. 6 shows a cross-sectional view of the structure shown in FIG. 5 along the direction A-A.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings. As a part of this description, the principle of the utility model will be described through embodiments. Other aspects, features and advantages of the utility model will become clear at a glance through the detailed description. In the referenced drawings, the same reference numerals are used for the same or similar components in different drawings.

As shown in Figure 1 and Figure 2, the embodiment of the utility model provides a closed pipeline fluid transmission device, which is fixedly installed on the foundation 10, which includes a pipeline 20, a pump body 30 and a power generation device 60, and the specific implementation is that the pump Both the body 30 and the power generating device 60 are fixed on the foundation 10 through a fixed bottom plate 70 arranged at their bottoms. Wherein, the pump body 30 is airtightly connected to the channel of the pipeline 20, the pump body 30 is provided with an impeller 32, the impeller 32 is installed in the pump body 30 through the impeller shaft 40, the impeller bearing 40 is perpendicular to the flow direction of the fluid in the pipeline 20, and generates electricity Between the device 60 and the impeller bearing 40, a transmission device for driving the power generation device 60 is arranged, and the transmission device is installed on one end of the impeller bearing and the rotating shaft of the power generation device.

As shown in FIG. 3 , in the first embodiment of the present invention, blades 321 are uniformly arranged on the impeller 32 , and the blades are arranged as radial blades. In actual implementation, in order to improve the rotation efficiency of the impeller, the tail section of the blade 321 is curved in an arc, and the concave part of the arc is facing the fluid flow direction of the pipeline at the inlet of the pump body.

As shown in Fig. 4, in the second embodiment of the present invention, the impeller 32 is provided with blades 322, and the blades are arranged as radial blades, and the blades are arranged as straight strips, and are arranged on the impeller.

As shown in Figures 5 and 6, in the third embodiment of the present invention, in order to improve the performance of the closed pipeline fluid transmission device of the present invention, the pipeline 20 at the inlet of the pump body 30 is at an angle of 0 to 90 degrees to the horizontal direction .

As shown in Figures 1 and 2, in Embodiment 1 of the present utility model, a sealing ring 42 is provided between the impeller bearing 40 and the pump body 30, a transmission device is installed on one end of the impeller bearing 40, and the other end of the impeller bearing 40 is provided There is a flywheel 44, and lubricant is filled between the bearing cover 41 of the impeller bearing 40 and the pump cover 31 arranged on the outer wall of the pump body 30. For this reason, a retaining ring 43 needs to be provided outside the impeller bearing 40 to improve its sealing effect .

In addition, in the first embodiment of the utility model, the transmission device is a belt transmission device. The large pulley 51 is installed on one end of the impeller bearing 40, and the small pulley 52 is fixed on the rotating shaft of the power generation device. The large pulley 51 and the small belt 52 There is a V-belt 53 to realize the transmission between the two, and a belt tensioner is also provided on one side of the V-belt 53 to realize the safe and stable operation of the belt drive. Protective cover 55 for belt drive. Of course, only a belt transmission is listed here. In other embodiments of the present invention, the transmission device can also adopt other transmission modes such as chain transmission and gear transmission, but this must be able to realize the utility model. purpose as a prerequisite.

In addition, in order to facilitate the use of the closed pipeline fluid transmission device of the present utility model and to facilitate easy maintenance when a failure occurs, in the embodiment of the present utility model, the closed pipeline fluid transmission device also includes a spare pipeline 21, and the spare pipeline is erected on the pump body 40 between upstream of the inlet port and downstream of the outlet port. In actual implementation, in order to further improve the operability of the closed pipeline fluid transmission device of the present invention, the pipeline upstream of the inlet of the pump body 40, the pipeline downstream of the outlet and the backup pipeline are all provided with valves 22 for adjusting fluid flow.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (8)

1. A closed pipeline fluid transmission device, characterized in that it comprises: The pump body fixed on the foundation, the pump body is airtightly connected to the pipeline passage, the pump body is provided with an impeller, the impeller is installed in the pump body through the impeller bearing, and the impeller bearing is perpendicular to the flow direction of the fluid in the pipeline; A power generation device, a transmission device for driving the power generation device is arranged between the power generation device and the impeller bearing, and the transmission device is installed on one end of the impeller bearing and the rotating shaft of the power generation device; Both the pump body and the power generating device are fixed on the foundation through a fixed bottom plate arranged at their bottoms. 2 . The closed pipeline fluid transmission device according to claim 1 , wherein blades are evenly arranged on the impeller, and the blades are radial blades. 3 . 3. The closed pipeline fluid transmission device according to claim 2, characterized in that: the tail section of the blade is curved in an arc, and the concave part of the arc is facing the fluid flow direction of the pipeline at the inlet of the pump body. 4 . The closed pipeline fluid transmission device according to claim 1 , wherein the pipeline at the inlet of the pump body forms an angle of 0-90 degrees with respect to the horizontal direction. 5. The closed pipeline fluid transmission device according to claim 1, characterized in that: a sealing ring is arranged between the impeller bearing and the pump body, the transmission device is installed on one end of the impeller bearing, and the other end of the impeller bearing A flywheel is arranged, and lubricant is filled between the bearing cover of the impeller bearing and the pump cover arranged on the outer wall of the pump body. 6. The closed pipeline fluid transmission device according to claim 1, characterized in that: the transmission device is a belt transmission device, the large pulley is installed on one end of the impeller bearing, and the small pulley is fixed to the rotation of the power generation device. On the shaft, a V-belt that realizes both transmissions is then provided between the large pulley and the small belt. 7. The closed pipeline fluid transmission device according to claim 1, characterized in that it further comprises a backup pipeline, and the backup pipeline is erected between the upstream of the inlet end of the pump body and the downstream of the outlet. 8 . The closed pipeline fluid transmission device according to claim 7 , characterized in that: the pipeline upstream of the inlet of the pump body, the pipeline downstream of the outlet and the backup pipeline are all provided with valves for adjusting fluid flow.

Images