CN209673150U - A kind of elbow type flow indicator - Google Patents

Abstract

The utility model discloses a kind of elbow type flow indicator, its upper end is connect with the horizontal piping connection in upstream, lower end and downstream vertical pipeline.Pipe fitting is set at the top of the elbow type flow indicator, bimetallic thermometer is installed to protrude into the elbow type flow indicator on the pipe fitting, the two sides of the elbow type flow indicator are equipped with observation window, and the observation window includes that one end is connected to the metal tube of 90 ° of bend pipe two sides and is enclosed in transparent panel, gasket, flange, the fastening screw of the metal tube end.The elbow type flow indicator is the display of fluid temperature (F.T.), temperature measuring equipment in a kind of Observable tube fluid flow regime and measurement pipe, compact to design, small in size, occupied space is very small.

Description

A kind of elbow type flow indicator

Technical field

The utility model relates to the technical field of tube fluid flow condition measurement, in particular to a kind of elbow type flow is aobvious Show device.

Background technique

Currently, fluids within pipes display device generallys use through type flow indicator or right-angle type flow indicator, by In through type flow indicator or right-angle type flow indicator, structure is complicated, difficulty of processing is larger, and its size is larger, appearance Heaviness supports fixed difficulty, vibration resistance poor, therefore needs the fluid display dress that one kind is compact to design, small in size, occupies little space It sets, to observe the flow regime of fluids within pipes.

Utility model content

Technical problem to be solved in the utility model is to design a kind of compact to design, small in size, hardly occupied space Elbow type flow indicator.

In order to solve the above technical problems, the utility model provides a kind of elbow type flow indicator, including 90 ° of bend pipes, The upper end of 90 ° of bend pipes is connect with the horizontal piping connection in upstream, lower end and downstream vertical pipeline, is set at the top of 90 ° of bend pipes Pipe fitting is set, bimetallic thermometer is installed on the pipe fitting, the tail portion of the bimetallic thermometer is protruded into 90 ° of bend pipes Fluid in, the two sides of 90 ° of bend pipes are equipped with observation window, and the observation window includes the gold for being located at 90 ° of bend pipe (1) two sides Belong to pipe, be fixed on transparent panel, washer and flange that metal tube outer end face plays sealing process to metal tube.

Further, 90 ° of bend pipe upper ends and upstream horizontal pipeline are perpendicular by welding or flanged joint, lower end and downstream Straight tube road passes through welding or flanged joint.

Further, it is equipped with aperture at the top of 90 ° of bend pipes, the pipe fitting is in tapping and 90 ° of elbow pipe weldings Together, and with 90 ° of bend pipes inside it is connected to.

Further, internal screw thread is arranged in the inner wall of the pipe fitting, and external screw thread is arranged on the bimetallic thermometer, described Bimetallic thermometer is connected through a screw thread with the pipe fitting.

Further, the outer end face of the metal tube is provided with 6-8 internal thread hole, distinguishes on the transparent panel and flange And position corresponding through-hole equal with the internal thread hole number of the metal tube outer end face is set, and the flange outer end face is logical 90 ° of taper holes are opened up on hole, are fixed on the metal tube end, and screw passes through 90 ° of taper holes, through-hole and the transparent panel on the flange On through-hole be screwed on the internal thread hole of the metal tube outer end face, the transparent panel and flange are fastened on the metal tube On outer end face.

Further, the transparent panel and the junction of the junction of the metal tube and transparent panel and flange are respectively provided with Washer.

The utility model is a kind of elbow type flow indicator, and size is identical as national standard major radius normal bend size, if Count compact, small in size, hardly occupied space does not influence the normal branch of pipeline for pipeline from level to vertical turning point Support design avoids and selects stupid big stupid thick visual sensory brought by other flow display devices and be not easy the shortcomings that supporting. More Nover practical, application prospect is extensive, can replace the through type or right-angle type flow indicator of big specification completely.

Detailed description of the invention

Fig. 1 is the main view of elbow type flow indicator provided by the embodiment of the utility model；

Fig. 2 is the top view of elbow type flow indicator provided by the embodiment of the utility model；

Fig. 3 is the side view of elbow type flow indicator provided by the embodiment of the utility model；

Fig. 4 is the partial enlarged view of elbow type flow indicator provided by the embodiment of the utility model.

Fig. 5 is the structural schematic diagram of flange in elbow type flow indicator provided by the embodiment of the utility model.

Description of symbols

1-90 ° of bend pipe, 2- seamless steel pipe, 3- transparent panel, 4- washer, 5- flange, 6- screw, 7- pipe fitting, 8- bimetallic Thermometer

Specific embodiment

Referring to figure 1, figure 2 and figure 3, a kind of elbow type flow indicator provided by the utility model, may be provided at compressor In the oil return line of group, for observing the flow condition of lubricating oil, may also be arranged on other petroleum, chemical industry, pharmaceuticals industry pipe Lu Zhong, the flow condition of the low-pressure fluid for observing in pipeline.This elbow type flow indicator includes 90 ° 1,90 ° of bend pipe curved 1 upper end of pipe (i.e. import) is connect with the horizontal piping connection in upstream, lower end (exporting) with downstream vertical pipeline, wherein 90 ° of bend pipes By welding or flanged joint, 90 ° of 1 lower ends of bend pipe pass through welding or method with downstream vertical pipeline for 1 upper end and upstream horizontal pipeline Orchid connection, as a kind of specific embodiment of the utility model, the inlet and outlet of 90 ° of bend pipes 1 is each with compressor set respectively A equipment, such as compressor, variable-speed motor, steam turbine, expanding machine need the oil returning steel pipe in the equipment of oil return to weld together. Pipe fitting 7 is set at the top of 90 ° of bend pipes 1, bimetallic thermometer 8 is installed on the pipe fitting 7, thermometer tail end protrudes into described 90 ° In fluid in 1 pipe of bend pipe, bimetallic thermometer 8 can measure and show the fluid temperature (F.T.) in pipeline.As the utility model A kind of specific embodiment, the tops of 90 ° of bend pipes 1 is equipped with aperture, and pipe fitting 7 is welded on one in tapping and 90 ° of bend pipes 1 Rise, and be connected to inside 90 ° of bend pipes 1.Meanwhile internal screw thread is arranged in the inner wall of pipe fitting 7, the outer spiral shell of setting on bimetallic thermometer 8 Line, bimetallic thermometer 8 are threaded on pipe fitting 7, and the tail end of bimetallic thermometer 8 protrudes into 90 ° of 1 pipes of bend pipe In fluid, to measure the temperature of fluid in 90 ° of bend pipes 1.In addition, the two sides of 90 ° of bend pipes 1 are equipped with observation window, pass through Observation window can intuitively observe, measure the flow regime of pipeline low-pressure fluid convenient for observer.When for compressor set When in oil return line, the lubricant effect of compressor set bearing oil can be examined by observation window observation, whether oil return is smooth Etc. situations, and then avoid wo soy sauce, lubrication it is unsmooth situations such as generation.As specific embodiment of the present utility model.Elbow type stream Amount display is widely used in the oil returning steel pipe that compressor, variable-speed motor, steam turbine, expanding machine etc. need in the equipment of oil return.

Referring to fig. 4, observation window includes the metal tube 2 for being located at 90 ° of 1 two sides of bend pipe, is enclosed in the saturating of 2 outer end face of metal tube Isotropic disk 3, washer 4 and flange 5.Wherein, metal tube 2 is using gapless stainless steel tube, the two sides of 90 ° of bend pipes 1 be provided with it is seamless The adaptable aperture of 2 caliber of stainless steel tube, gapless stainless steel tube 2 are respectively welded in the aperture of 90 ° of 1 two sides of bend pipe.It is seamless not The outer end face of rust steel pipe 2 is provided with 6-8 internal thread hole, and the interior spiral shell with 2 outer end face of gapless stainless steel tube is provided on transparent panel 3 Pit number is equal and the corresponding through-hole in position.Referring to Fig. 5, be also equipped on flange 5 in 2 outer end face of gapless stainless steel tube Threaded hole number is equal and the corresponding through-hole in position, and also all offers 90 ° of taper holes on the through-hole of 5 outer end face of flange respectively. The through-hole that screw 6 sequentially passes through on 90 ° of taper holes, through-hole and transparent panel 3 on flange 5 is screwed onto 2 outer end face of gapless stainless steel tube Internal thread hole on, transparent panel 3 and flange 5 are fastened on 2 outer end face of gapless stainless steel tube, and the head of a nail of screw 6 is lucky Depression makes the smooth beauty of the outer end face of flange 5 in 90 ° of taper holes of 5 outer end face of flange.Meanwhile in order to enhance 3 He of transparent panel The leakproofness that flange 5 is connect with 2 outer end face of metal tube, transparent panel 3 and gapless stainless steel tube 2 junction and transparent panel 3 with The junction of flange 5 is fitted with washer 4, can prevent the fluid in 90 ° of bend pipes 1 from leaking from the observation window of two sides in this way.

A kind of elbow type flow indicator provided by the utility model is that a kind of fluid of elbow form is shown and thermometric dress It sets, when thering is fluid to flow through in 90 ° of bend pipes 1, degrees of expansion when bimetallic thermometer 8 is changed using two kinds of different metal temperature Difference drives the throw of pointer in thermometer gauge outfit, thus can indicate that the temperature change of the fluid in 90 ° of bend pipes 1, also, Liquid level variation, the color change for observing fluid in pipeline at any time by the observation window of 90 ° of 1 two sides of bend pipe, sentence from macroscopic view Flow, flow velocity, color, the state etc. of cutout body.Therefore, the utility model elbow type flow indicator can be used for monitoring compression The lubrication circumstances of unit bearing, by visual observation observe 90 ° of 1 two sides of bend pipe observation window, can macroscopic observation judge lubricating oil The variation of the flow regimes such as flow, flow velocity, color, meanwhile, feelings are changed by the real time temperature that bimetallic thermometer 8 measures lubricating oil Condition judges that lubricating oil enters after bearing is rotated, rolled the lubricating oil situation for forming oil film, being discharged from oil discharger, prevents bearing Because lubricating unsmooth damage.Elbow type flow indicator provided by the utility model can also be used for other petroleum, chemical industry, medicine In the pipeline of industry, the flow condition of the low-pressure fluid for observing in pipeline, measurement fluid temperature (F.T.).

It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (6)

1. a kind of elbow type flow indicator, it is characterised in that: including 90 ° of bend pipes (1), the upper end of 90 ° of bend pipes (1) with it is upper Swim flat piping connection, lower end and downstream vertical pipeline connects, and pipe fitting (7) is arranged at the top of 90 ° of bend pipes (1), the pipe Bimetallic thermometer (8) are installed on connector (7), the tail portion of the bimetallic thermometer (8) is protruded into 90 ° of bend pipes (1) In fluid, the two sides of 90 ° of bend pipes (1) are equipped with observation window, and the observation window includes being located at 90 ° of bend pipe (1) two sides Metal tube (2) is fixed on transparent panel (3), washer (4) and flange that metal tube (2) outer end face plays sealing process to metal tube (2) (5)。

2. elbow type flow indicator according to claim 1, it is characterised in that: 90 ° of bend pipes (1) upper end and upstream Horizontal pipeline passes through welding or flanged joint by welding or flanged joint, lower end and downstream vertical pipeline.

3. elbow type flow indicator according to claim 1, it is characterised in that: be equipped with and open at the top of 90 ° of bend pipes (1) Hole, the pipe fitting (7) weld together in tapping and 90 ° of bend pipes (1), and connect with 90 ° of bend pipes (1) inside It is logical.

4. elbow type flow indicator according to claim 1, it is characterised in that: in the inner wall setting of the pipe fitting (7) Screw thread, external screw thread is arranged on the bimetallic thermometer (8), and the bimetallic thermometer (8) and the pipe fitting (7) pass through spiral shell Line connection.

5. elbow type flow indicator according to claim 1, it is characterised in that: the outer end face of the metal tube (2) is arranged There is 6-8 internal thread hole, the internal screw thread with the metal tube (2) outer end face is respectively set on the transparent panel (3) and flange (5) Hole number is equal and the corresponding through-hole in position, and 90 ° of taper holes are opened up on the through-hole of the flange (5) outer end face, and screw (6) passes through 90 ° of taper holes, through-hole on the flange (5) and the through-hole on transparent panel (3) are screwed onto the interior spiral shell of the metal tube (2) outer end face On pit, the transparent panel (3) and flange (5) are fastened on the metal tube (2) outer end face.

6. elbow type flow indicator according to claim 5, it is characterised in that: the transparent panel (3) and the metal tube (2) junction of junction and transparent panel (3) and flange (5) is respectively provided with washer (4).