CN214893449U - Wear-resistant flowmeter - Google Patents

Abstract

The utility model discloses a flowmeter technical field's a wear-resisting flowmeter, which comprises a housin, the intelligence gauge outfit sets up the inside lining of making by wear-resisting corrosion resistant material in pairs at the casing inside, the intelligence gauge outfit sets up on the casing, the one end of intelligence gauge outfit is equipped with the monitoring devices who stretches into the inside monitoring liquid flow of casing, the both ends of casing are all external to have the three-way valve, the equal evagination of one end of each inside lining sets up flange, each inside lining passes through flange and casing releasable connection, the groove of stepping down that is used for holding the inside lining is all offered at the both ends of the inside liquid stream pipeline of casing, the inner wall in groove of stepping down sets up with the outer wall cooperation of inside lining, set up first seal ring pad between the tank bottom in groove of stepping down and the inside lining. The device can solve the problem that the service life of the existing wear-resistant corrosion-resistant flowmeter is short, the production cost of products is reduced, and the flow meter is replaced without shutdown and flow interruption.

Description

Wear-resistant flowmeter

Technical Field

The utility model relates to a wear-resisting flowmeter belongs to flowmeter technical field.

Background

When the existing flowmeter serves the industries of chemical engineering or more liquid particles, a special flowmeter needs to be designed.

The manufacturer coats a wear-resistant and corrosion-resistant layer on the inner wall of the liquid pipeline of the flowmeter so as to reduce the cost on the premise of ensuring the wear-resistant and corrosion-resistant effects, but the coated wear-resistant and corrosion-resistant layer is thinner and the wear-resistant and corrosion-resistant time is shorter;

or the flowmeter pipeline is made of a non-wear-resistant non-corrosion-resistant material with low price, and then a layer of pipeline made of a thicker wear-resistant corrosion-resistant material is additionally arranged inside the pipe wall so as to prolong the wear-resistant time and the corrosion-resistant time, but because the inner pipeline and the flowmeter pipeline cannot be disassembled, the whole flowmeter needs to be discarded after the inner pipeline is damaged, thereby causing waste;

meanwhile, the flowmeter is in a working state for a long time, the pipe wall is difficult to avoid the phenomenon that particles precipitate to form a siltation layer, the flowing of liquid in the pipe is influenced, even the measurement precision of the flowmeter is influenced, great influence is brought to industrial production, particularly, the flowmeter is more in number and is easy to precipitate the siltation layer, in order to guarantee the measurement precision of the flowmeter, the siltation layer in a liquid flow pipeline of the flowmeter needs to be cleaned regularly, but the flowmeter is connected with an external liquid flow pipeline in series, the external pipeline is cut off when the flowmeter is cleaned, and the working production of a manufacturer is not influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a wear-resisting flowmeter, solve the shorter problem of current wear-resisting corrosion-resistant flowmeter life, reduce the manufacturing cost of product, change the flow timing and need not to shut down the outage.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

the intelligent meter comprises a shell, intelligent meters and linings which are arranged in pairs in the shell and are made of wear-resistant and corrosion-resistant materials, wherein the intelligent meters are arranged on the shell;

one end of each lining is convexly provided with a connecting flange, and each lining is detachably connected with the shell through the connecting flange;

the both ends of the inside fluid pipeline of casing all offer the groove of stepping down that is used for holding the inside lining, and the inner wall in the groove of stepping down sets up with the outer wall cooperation of inside lining, sets up first sealing ring pad between the tank bottom in groove of stepping down and the inside lining.

Furthermore, two surfaces of the first sealing ring gasket are respectively provided with mutually meshed sealing grains in pairs with the bottom surface of the abdicating groove and the end surface of the lining.

Further, the radial section of the sealing line is tooth-shaped.

Further, the outer wall of the liner is keyed to the wall of the flow tube inside the housing.

Furthermore, a sealing gasket groove is concavely cut in the end face of the connecting flange, and a second sealing ring gasket used for increasing the sealing property between the lining and the three-way valve is arranged in the sealing gasket groove.

Furthermore, both end faces of the shell are both provided with flange grooves in an inwards concave mode, and the connecting flange is detachably fixed in the flange grooves.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

in the design, only the lining pipeline is made of high-performance wear-resistant and corrosion-resistant materials, so that the production cost is reduced on the premise of ensuring the quality requirement.

The inside lining can be dismantled with the casing and be connected, can directly replace the inside lining after the inside lining pipeline corrodes or wearing and tearing are serious, need not whole change, improves the holistic life of flowmeter, avoids extravagant.

The accessible is dismantled the inside lining pipeline regularly and is carried out the desilting to the inside lining, ensures flowmeter measurement accuracy.

The flow meter is characterized in that three-way valves are arranged at an inlet and an outlet at two ends of the shell, the standby flow meter is connected with the three-way valves before dredging maintenance is carried out on the flow meter, then the three-way valves are opened to communicate the standby flow meter with the sewage pipeline, so that sewage in the sewage pipeline flows through the standby flow meter, the flow meter to be maintained is cut off, and then disassembly maintenance is carried out without stopping.

Drawings

Fig. 1 is a perspective view of a wear-resistant flowmeter according to an embodiment of the present invention (showing a connection structure of a casing, a smart meter head, a liner, a first seal ring gasket, and a second seal ring gasket);

fig. 2 is a perspective view of a wear-resistant flowmeter according to an embodiment of the present invention (a three-way valve is not shown);

fig. 3 is a perspective view, partially in cross-section, of a first seal ring gasket (showing the first seal ring gasket and seal lines) of a wear resistant flowmeter according to an embodiment of the present invention;

reference numerals: 100. a housing; 110. a yielding groove; 120. a flange groove; 200. an intelligent meter head; 300. a liner; 310. a connecting flange; 311. a gasket groove; 400. a first seal ring gasket; 410. sealing the lines; 500. a second seal ring gasket.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model provides a wear-resistant flowmeter, as shown in fig. 1, fig. 2 and fig. 3, comprising a casing 100, a smart meter head 200, a lining 300 and a three-way valve, wherein the smart meter head 200 is arranged on the casing 100, and a detecting head which is provided at an end thereof and extends into the case 100 for monitoring a flow rate, two three-way valves which are provided in pairs at an inlet and an outlet at both ends of the case 100, each three-way valve being flange-connected to the case 100, when the device works normally, the three-way valve conducts the device with an external water pipe to detect the flow of liquid, when the device needs maintenance or replacement, the standby flowmeter is connected with the three-way valve to ensure that the standby flowmeter is connected with the device in parallel, then adjust the three-way valve for external pipeline switches on with reserve flowmeter, this device cuts off the flow, then dismantles and maintains this device, can realize maintaining this equipment when the producer does not shut down through this kind of mode.

The access openings at the two ends of the shell 100 are both inwards cut to form the abdicating groove 110 for accommodating the lining 300, the inner wall of the abdicating groove 110 is matched with the outer wall of the lining 300, the lining 300 is made of wear-resistant and corrosion-resistant materials, the wear-resistant and corrosion-resistant lining 300 is arranged in the shell 100, and the wear-resistant and corrosion-resistant performance of the lining 300 is superior to that of a wear-resistant and corrosion-resistant coating coated on the inner surface of the shell 100.

The one end evagination of inside lining 300 sets up flange 310, inside lining 300 passes through flange 310 and casing 100 flange joint, realize the dismantlement of inside lining 300 and casing 100 and be connected, because the flowmeter is the inside pipeline face of casing 100 with the face of the liquid contact that awaits measuring, the flowmeter is often abandoned not the reason why just the inside pipeline wall of casing 100 is impaired, influence the measurement accuracy of flowmeter, and this device is with inside lining 300 and casing 100 releasable connection, behind inside lining 300 is impaired, through tearing open the inside lining 300 flowmeter alright continue to use, avoid whole abandoning the flowmeter, practice thrift enterprise manufacturing cost.

The first sealing ring gasket 400 used for improving the sealing performance is arranged between the groove bottom of the abdicating groove 110 and the lining 300, the first sealing ring gasket 400 is a rubber gasket, two sides of the first sealing ring gasket 400 are respectively provided with mutually meshed sealing lines 410 in pairs with the bottom surface of the abdicating groove 110 and the end surface of the lining 300, the radial section of each sealing line 410 is in a tooth shape, the mutually meshed sealing lines 410 are arranged between the first sealing ring and the lining 300, the mutually meshed sealing lines 410 are arranged between the first sealing ring and the groove bottom of the abdicating groove 110, the sealing performance of the joint of the lining 300 and the groove bottom of the abdicating groove 110 can be effectively improved, and the sealing effect of the toothed sealing lines 410 is better.

Adopt the key-type connection between the outer wall of inside lining 300 and the inner wall of the groove of stepping down 110, can effectively restrict the inside lining 300 and the circumferential motion between the groove of stepping down 110, avoid first sealing ring to produce compelled motion under the effect of inner wall, influence its leakproofness, conveniently aim at the bolt hole when connecting inside lining 300 and casing 100 simultaneously.

The end face of the connecting flange 310 is recessed to form a sealing gasket groove 311, a second sealing ring gasket 500 for increasing the sealing property between the lining 300 and the three-way valve is arranged in the sealing gasket groove 311, and the second sealing ring gasket is a 500-rubber gasket.

Both ends of the casing 100 are concavely provided with flange grooves 120, and the connecting flange 310 is fixed in the flange grooves 120 by bolts, so that the flange connection of the lining 300 and the casing 100 is realized.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (6)

1. A wear resistant flowmeter characterized by: the intelligent meter comprises a shell (100), an intelligent meter head (200) and a lining (300) which is arranged in pairs in the shell (100) and is made of wear-resistant and corrosion-resistant materials, wherein the intelligent meter head (200) is arranged on the shell (100), one end of the intelligent meter head (200) is provided with a monitoring device which extends into the shell (100) and monitors the liquid flow, and two ends of the shell (100) are externally connected with three-way valves;

one end of each lining (300) is convexly provided with a connecting flange (310), and each lining (300) is detachably connected with the shell (100) through the connecting flange (310);

the two ends of the liquid flow pipeline in the shell (100) are provided with the yielding groove (110) used for accommodating the lining (300), the inner wall of the yielding groove (110) is matched with the outer wall of the lining (300), and a first sealing ring gasket (400) is arranged between the bottom of the yielding groove (110) and the lining (300).

2. A wear resistant flowmeter as set forth in claim 1 wherein: two surfaces of the first sealing ring gasket (400) are respectively provided with sealing grains (410) which are meshed with each other in pairs with the bottom surface of the abdicating groove (110) and the end surface of the lining (300).

3. A wear resistant flowmeter as set forth in claim 2 wherein: the radial section of the sealing line (410) is tooth-shaped.

4. A wear resistant flowmeter as set forth in claim 1 wherein: the outer wall of the liner (300) is keyed to the wall of the flow tube inside the housing (100).

5. A wear resistant flowmeter as set forth in claim 1 wherein: the end face of the connecting flange (310) is inwards concave to cut a sealing gasket groove (311), and a second sealing ring gasket (500) used for increasing the sealing performance between the lining (300) and the three-way valve is arranged in the sealing gasket groove (311).

6. A wear resistant flowmeter as set forth in claim 1 wherein: both end surfaces of the shell (100) are concavely provided with flange grooves (120), and the connecting flange (310) is detachably fixed in the flange grooves (120).

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