CN209783655U

CN209783655U - Flow guider for turbine flow meter

Info

Publication number: CN209783655U
Application number: CN201920794146.6U
Authority: CN
Inventors: 张振武
Original assignee: Tianjin Niton Environmental Technology Development Co Ltd
Current assignee: Tianjin Niton Environmental Technology Development Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2019-12-13
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a divertor for turbine flowmeter, including casing, first water conservancy diversion mechanism, second water conservancy diversion mechanism and filtering mechanism, be provided with a plurality of bracing piece on the inside wall of casing intermediate position, the other end of bracing piece is provided with solid fixed ring, first water conservancy diversion mechanism and second water conservancy diversion mechanism set up respectively in the inside solid fixed ring both sides of casing, filtering mechanism sets up the one end that is close to first water conservancy diversion mechanism on the casing, first water conservancy diversion mechanism comprises a plurality of drainage plates, the drainage plate sets up on the inside wall of casing, be provided with a plurality of drainage hole on the drainage plate, second water conservancy diversion mechanism comprises fixed axle, a plurality of flow distribution plate and the flexible pipe of a plurality of rubber. The utility model discloses simple structure, convenient operation, reasonable in design makes things convenient for production and processing, can effectually reduce in disorder flow and swirl, improves measuring stability and accuracy, can prevent effectively simultaneously that the jam from appearing, guarantees fluidic normal circulation.

Description

Flow guider for turbine flow meter

Technical Field

The utility model relates to a flowmeter equipment technical field specifically is a divertor for turbine flowmeter.

Background

The liquid turbine flowmeter is composed of a turbine and a pulse detector arranged outside, wherein liquid flows into the turbine to cause the rotor to rotate, the specific inner diameter enables the rotating speed of the rotor to be directly proportional to the flow, the pulse detector converts the detected rotation of rotor blades into a pulse signal proportional to the flow, the turbine flowmeter is usually designed and calibrated under the condition that the fluid flow at the impeller is close to an average speed profile, when the liquid turbine flowmeter is used, the speed of the impeller is influenced by the actual speed profile, the precision of the fluid flow measurement is improved, the speed profile of the liquid passing through the impeller is basically uniform, therefore, a fluid director is usually arranged in the flowmeter, but the existing fluid director is usually in a cylindrical straight cylinder shape, turbulence and vortex are easily generated, the flow stability of the fluid is poor, and the fluid cannot pass through the impeller with the uniform speed profile.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a divertor for turbine flowmeter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fluid director for a turbine flowmeter comprises a shell, a first flow guide mechanism, a second flow guide mechanism and a filter mechanism, wherein a plurality of support rods are arranged on the inner side wall of the middle position of the shell, a fixing ring is arranged at the other end of each support rod, the first flow guide mechanism and the second flow guide mechanism are respectively arranged on two sides of the fixing ring in the shell, the filter mechanism is arranged at one end, close to the first flow guide mechanism, of the shell, the first flow guide mechanism is composed of a plurality of flow guide plates, the flow guide plates are arranged on the inner side wall of the shell, a plurality of drainage holes are formed in the flow guide plates, the second flow guide mechanism is composed of a fixing shaft, a plurality of flow distribution plates and a plurality of rubber telescopic pipes, the fixing shaft is arranged on the fixing ring, a plurality of flow distribution plates are arranged on the fixing shaft, a plurality of flow distribution, and a rubber telescopic pipe is arranged between the flow distribution plates and is arranged on the fixed shaft.

Preferably, filtering mechanism comprises connecting pipe and a plurality of filter screen, the connecting pipe is close to casing one end through setting up the internal thread threaded connection that sets up on external screw thread and the casing, the inside a plurality of filter screen that is provided with of connecting pipe.

Preferably, one end of the shell, which is far away from the first flow guide mechanism, is provided with a limiting ring, and the limiting ring is arranged on the fixed shaft.

Preferably, the drainage holes between the drainage plates are arranged at intervals, and the drainage plates are arranged at equal intervals.

preferably, the flow distribution holes in the flow distribution plate are arranged in an expanding manner from one side in the middle of the shell to the outer side of the shell, and the flow distribution plates are arranged at equal intervals.

Preferably, the size of the filter holes of the filter screen is between 0.01 cm and 0.03 cm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The utility model discloses a be provided with first water conservancy diversion mechanism and second water conservancy diversion mechanism on the casing, first water conservancy diversion mechanism comprises a plurality of drainage plates, and second water conservancy diversion mechanism comprises fixed axle, a plurality of flow distribution plate and a plurality of flexible pipe of rubber, through the effect of first water conservancy diversion mechanism and second water conservancy diversion mechanism, can guide fluid to flow effectively, reduce the impact force, can effectually reduce the turbulent flow and swirl, improve stability and the accuracy of measurement;

2. The utility model discloses an one end at the casing is provided with filtering mechanism, and filtering mechanism comprises connecting pipe and a plurality of filter screen, and the connecting pipe is close to casing one end through the internal thread threaded connection who sets up on setting up external screw thread and the casing, through filtering mechanism's effect, can intercept impurity effectively, prevents to block up, guarantees fluidic normal circulation, conveniently clears up and protects the impeller, and overall structure is simple simultaneously, convenient production.

Drawings

Fig. 1 is a schematic view of the overall structure of a flow guider for a turbine flow meter according to the present invention;

Fig. 2 is an overall front view of a flow director for a turbine flow meter according to the present invention;

Fig. 3 is a schematic structural view of a fluid director filtering mechanism for a turbine flow meter according to the present invention.

in the figure: 1. a housing; 2. a first flow guide mechanism; 21. a drainage plate; 22. a drainage hole; 3. a second flow guide mechanism; 31. a fixed shaft; 32. a flow distribution plate; 321. a shunt hole; 33. a rubber extension tube; 4. a filtering mechanism; 41. a connecting pipe; 42. filtering with a screen; 5. a support bar; 6. a fixing ring; 7. a limit ring.

Detailed Description

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a fluid director for a turbine flowmeter comprises a shell 1, a first fluid guiding mechanism 2, a second fluid guiding mechanism 3 and a filtering mechanism 4, wherein a plurality of support rods 5 are welded on the inner side wall of the middle position of the shell 1, a fixing ring 6 is welded at the other end of each support rod 5, the first fluid guiding mechanism 2 and the second fluid guiding mechanism 3 are respectively arranged at two sides of the fixing ring 6 in the shell 1, the filtering mechanism 4 is arranged at one end of the shell 1 close to the first fluid guiding mechanism 2, the first fluid guiding mechanism 2 is composed of a plurality of flow guiding plates 21, the flow guiding plates 21 are welded on the inner side wall of the shell 1, a plurality of flow guiding holes 22 are arranged on the flow guiding plates 21, the second fluid guiding mechanism 3 is composed of a fixed shaft 31, a plurality of flow dividing plates 32 and a plurality of rubber telescopic pipes 33, the fixed shaft 31 is clamped on the fixing ring 6 through glue, a plurality of flow dividing plates 32 are sleeved, the dividing plates 32 are connected with rubber telescopic pipes 33 through glue, and the rubber telescopic pipes 33 are sleeved on the fixed shaft 31.

The filtering mechanism 4 is composed of a connecting pipe 41 and a plurality of filter screens 42, the connecting pipe 41 is close to one end of the shell 1 and is connected with the internal thread arranged on the shell 1 through the external thread, and the plurality of filter screens 42 are arranged inside the connecting pipe 41.

The welding of the one end of keeping away from first water conservancy diversion mechanism 2 on casing 1 has spacing ring 7, and spacing ring 7 joint is favorable to increasing the stability to of fixed axle 31 on fixed axle 31.

The drainage holes 22 between the drainage plates 21 are opened at intervals, and the drainage plates 21 are arranged at equal intervals, so that the impact force of fluid is reduced.

The diversion holes 321 on the diversion plates 32 are arranged from one side of the middle of the shell 1 to the outer side of the shell 1 in an expanding mode, and the diversion plates 32 are arranged at equal intervals, so that the flowing of fluid is further guided, and the pressure of the fluid is reduced.

The filtering hole of the filtering net 42 is 0.01 cm to 0.03 cm, which is beneficial to further effectively blocking impurities.

The working principle is as follows: when the device is used, the device is integrally installed on the turbine flowmeter, the filtering mechanism 4 is arranged at the water inlet end, when fluid passes through the shell 1, the fluid is firstly filtered through the filter screen 42, the pressure of the fluid is reduced and the flow direction of the fluid is controlled through the action of the drainage plate 21 and the drainage hole 22, when the fluid flows into the second diversion mechanism 3, the impact force of the fluid is further reduced through the action of the diversion plate 32, the diversion hole 321 and the rubber extension tube 33, the stable flow of the fluid is controlled, and meanwhile, the connecting tube 41 is periodically screwed down to clean the filter screen 42, the device can effectively guide the fluid to flow through the action of the first diversion mechanism 2 and the second diversion mechanism 3, the impact force is reduced, the turbulent flow and the vortex can be effectively reduced, the stability and the accuracy of measurement are improved, and impurities can be effectively intercepted through the action of the filtering mechanism 4, the impeller is prevented from being blocked, normal circulation of fluid is guaranteed, cleaning is convenient, the impeller is protected, and meanwhile the impeller is simple in integral structure and convenient to produce.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A divertor for a turbine flowmeter, includes casing (1), first diversion mechanism (2), second diversion mechanism (3) and filter mechanism (4), its characterized in that: the novel water-saving filter is characterized in that a plurality of support rods (5) are arranged on the inner side wall of the middle position of the shell (1), a fixing ring (6) is arranged at the other end of each support rod (5), the first flow guide mechanism (2) and the second flow guide mechanism (3) are respectively arranged on two sides of the fixing ring (6) in the shell (1), the filter mechanism (4) is arranged at one end, close to the first flow guide mechanism (2), of the shell (1), the first flow guide mechanism (2) is composed of a plurality of drainage plates (21), the drainage plates (21) are arranged on the inner side wall of the shell (1), a plurality of drainage holes (22) are formed in the drainage plates (21), the second flow guide mechanism (3) is composed of a fixing shaft (31), a plurality of flow distribution plates (32) and a plurality of rubber expansion pipes (33), the fixing shaft (31) is arranged on the fixing ring (6), the rubber expansion pipe is characterized in that a plurality of splitter plates (32) are arranged on the fixed shaft (31), a plurality of splitter holes (321) are formed in the splitter plates (32), rubber expansion pipes (33) are arranged between the splitter plates (32), and the rubber expansion pipes (33) are arranged on the fixed shaft (31).

2. The inducer for a turbine flowmeter of claim 1, wherein: filtering mechanism (4) comprise connecting pipe (41) and a plurality of filter screen (42), connecting pipe (41) are close to casing (1) one end through setting up the internal thread threaded connection that sets up on external screw thread and casing (1), inside a plurality of filter screen (42) that is provided with of connecting pipe (41).

3. The inducer for a turbine flowmeter of claim 1, wherein: one end of the shell (1) far away from the first flow guide mechanism (2) is provided with a limiting ring (7), and the limiting ring (7) is arranged on the fixed shaft (31).

4. The inducer for a turbine flowmeter of claim 1, wherein: drainage holes (22) between the drainage plates (21) are arranged at intervals, and the drainage plates (21) are arranged at equal intervals.

5. The inducer for a turbine flowmeter of claim 1, wherein: the flow distribution holes (321) in the flow distribution plates (32) are arranged from one side in the middle of the shell (1) to the outer side of the shell (1) in an expanding mode, and the flow distribution plates (32) are arranged at equal intervals.

6. The inducer for a turbine flowmeter of claim 2, wherein: the filter hole specification of the filter screen (42) is between 0.01 cm and 0.03 cm.