阅读说明：本技术 一种楔形陶瓷流量计 (A kind of wedge shape ceramic flow meter ) 是由 唐陈一郎 卢峰 李慧云 于 2019-09-29 设计创作，主要内容包括：本发明公开了一种楔形陶瓷流量计,包括流量计本体和陶瓷节流元件,所述流量计本体包括测量管,测量管两端设有连接法兰,连接法兰的通孔与测量管连通；测量管的侧壁设有两个取压口,取压口上侧设有取压法兰,取压法兰的中心孔与取压口连通；测量管内中部设有节流元件放置槽,节流元件放置槽位于两个取压口之间；所述陶瓷节流元件置于节流元件放置槽内,陶瓷节流元件包括陶瓷节流管,陶瓷节流管的内壁上设有陶瓷节流凸起,所述陶瓷节流凸起为半圆形,设于取压口一侧,陶瓷节流凸起沿陶瓷节流管管轴截面形状为V形。本发明的楔形陶瓷流量计通过设置楔形陶瓷节流元件,增加了产品的耐磨性、防腐蚀性,大大延长产品的使用寿命,节省使用成本。(The invention discloses a kind of wedge-shaped ceramic flow meter, including flowmeter bodies and ceramic throttling element, the flowmeter bodies include measurement pipe, and measurement pipe both ends are equipped with connecting flange, and the through-hole of connecting flange is connected to measurement pipe；The side wall of measurement pipe is set there are two pressure tappings, and pressure tappings upside is equipped with pressure flange, and the centre bore of pressure flange is connected to pressure tappings；Middle part is equipped with restricting element placing groove in measurement pipe, and restricting element placing groove is located between two pressure tappings；The ceramic throttling element is placed in restricting element placing groove, ceramic throttling element includes ceramic throttling pipe, the inner wall of ceramic throttling pipe is equipped with ceramic throttling protrusion, the ceramic throttling protrusion is semicircle, set on pressure tappings side, ceramic throttling protrusion is V-arrangement along ceramic throttling pipe pipe axial section shape.Wedge-shaped ceramic flow meter of the invention increases wearability, the anticorrosive property of product, greatly prolongs the service life of product, save use cost by the way that wedge-shaped ceramic throttling element is arranged.)

1. a kind of wedge shape ceramic flow meter, which is characterized in that including flowmeter bodies (1) and ceramic throttling element (2),

The flowmeter bodies (1) include measurement pipe (11), and measurement pipe (11) both ends are equipped with connecting flange (12), connecting flange (12) through-hole is connected to measurement pipe (11)；The side wall of measurement pipe (11) is set there are two pressure tappings (13), on the upside of pressure tappings (13) Equipped with pressure flange (14), the centre bore of pressure flange (14) is connected to pressure tappings (13)；Middle part is equipped with section in measurement pipe (11) Fluid element placing groove (15), restricting element placing groove (15) are located between two pressure tappings (13)；

The ceramic throttling element (2) is placed in restricting element placing groove (15), and ceramic throttling element (2) includes ceramic throttling pipe (21), the inner wall of ceramic throttling pipe (21) is equipped with ceramic throttling protrusion (22), and the ceramic throttling raised (22) is semicircle, Set on pressure tappings (13) side, ceramic throttling protrusion (22) is V shape along ceramic throttling pipe (21) pipe axial section shape.

2. wedge shape ceramic flow meter according to claim 1, which is characterized in that be distributed on the outer wall of ceramic throttling pipe (21) There are several annular grooves, is equipped with O-shaped rubber seal ring (23) in annular groove.

3. wedge shape ceramic flow meter according to claim 1, which is characterized in that the end of the restricting element placing groove (15) Face and the end face of ceramic throttling pipe (21) are horizontal end face, in restricting element placing groove (15) and restricting element placing groove (15) End face between be equipped with the fluorubber seal shock-proof pad (24) with shoulder.

4. wedge shape ceramic flow meter according to claim 1, which is characterized in that the two of the restricting element placing groove (15) End is inside curved end, and the both ends of ceramic throttling pipe (21) are equipped with outer arcuate end face, in restricting element placing groove (15) and section Arc fluorubber seal shock-proof pad (24) is equipped between the end face of fluid element placing groove (15).

5. wedge shape ceramic flow meter according to claim 1, which is characterized in that on the side wall of the ceramic throttling pipe (21) Equipped with several vents (211).

6. wedge shape ceramic flow meter according to claim 4, which is characterized in that vent (211) diameter is 3~ 5mm, the vent (211) are distributed several groups along ceramic throttling element (2) axis direction, and every group of vent (211) is 3~6, It is distributed uniformly and circumferentially.

7. wedge shape ceramic flow meter according to claim 1, which is characterized in that the measurement pipe (11) includes being symmetrical arranged The first measurement pipe (111) and the second measurement pipe (112), by solid between the first measurement pipe (111) and the second measurement pipe (112) Determine connection type or detachable connection method connection.

8. wedge shape ceramic flow meter according to claim 7, which is characterized in that the mode that is fixedly connected is welding.

9. wedge shape ceramic flow meter according to claim 7, which is characterized in that the detachable connection method is, the One measurement pipe (111) and the second measurement pipe (112) junction are respectively set connection ring (113), and connection ring (113) is equipped with connection First measurement pipe (111) and the second measurement pipe (112) are connected to one by connecting hole using bolt/nut (114) combination by hole It rises, is equipped with seal washer (115) between first measurement pipe (111) and the connection ring (113) of the second measurement pipe (112).

10. according to claim 1 to wedge-shaped ceramic flow meter described in 9 any one, which is characterized in that by following steps system At:

The two-section that flowmeter bodies (1) are divided into symmetrical shape is process, and in the first measurement pipe (111) and the second measurement pipe (112) inwall processing restricting element placing groove (15)；

Fluorubber seal shock-proof pad (24) is respectively charged into the first measurement pipe (111) and the second measurement pipe (112)；

By O-shaped rubber seal ring (23) in the annular groove of ceramic throttling pipe (21), then ceramic throttling element (2) is whole Body is packed into the first measurement pipe (111) and the second measurement pipe (112)；

First measurement pipe (111) and the second measurement pipe (112) are connected.

Technical field

The invention belongs to flowmeter technology fields, and in particular to a kind of wedge shape ceramic flow meter.

Background technique

Wedge flow meter is a kind of novel throttling differential pressure type flow measurement instrument, which is mainly used for high viscosity weight The flow measurement of oily, dirty liquid and other medium.

Summary of the invention

The purpose of the present invention is to provide a kind of wedge-shaped ceramic flow meters, improve wear-resisting, the corrosion resistance of flowmeter.

To achieve the above object, the invention provides the following technical scheme:

A kind of wedge shape ceramic flow meter, including flowmeter bodies and ceramic throttling element,

The flowmeter bodies include measurement pipe, and measurement pipe both ends are equipped with connecting flange, and the through-hole and measurement pipe of connecting flange connect It is logical；The side wall of measurement pipe is set there are two pressure tappings, and pressure tappings upside is equipped with pressure flange, the centre bore and pressure tappings of pressure flange Connection；Middle part is equipped with restricting element placing groove in measurement pipe, and restricting element placing groove is located between two pressure tappings；

The ceramic throttling element is placed in restricting element placing groove, and ceramic throttling element includes ceramic throttling pipe, ceramic throttling The inner wall of pipe is equipped with ceramic throttling protrusion, and the ceramic throttling protrusion is semicircle, is set to pressure tappings side, ceramic throttling is convex Rising along ceramic throttling pipe pipe axial section shape is V shape.

Wedge-shaped ceramic flow meter of the invention is embedded in wedge-shaped ceramic throttling element in the measurement pipe of flowmeter bodies, leads to The wedge-shaped ceramic throttling element of setting is crossed, wearability, the anticorrosive property of product is increased, greatly prolongs the service life of product, save Save use cost.It is connected between ceramic throttling pipe and measurement pipe for gap, can prevent from expanding with heat and contract with cold leads to ceramic throttling element It is squeezed destruction.

Preferably, several annular grooves are distributed on the outer wall of ceramic throttling pipe, are equipped with O-shaped rubber seal in annular groove Ring.When metallic conduit expands with heat and contract with cold change in size, O-shaped rubber seal ring can prevent ceramic throttling element to be squeezed destruction, Multiple measure protection ceramic throttling element safe operation.

Preferably, the end face of the restricting element placing groove and the end face of ceramic throttling pipe are horizontal end face, are being throttled The fluorubber seal shock-proof pad with shoulder is equipped between element placing groove and the end face of restricting element placing groove.The ceramic throttling Element and flowmeter bodies are supportted by the fluorubber seal shock-proof advance expenditure with shoulder to be positioned, and the setting of fluorubber seal shock-proof pad is being made pottery Porcelain restricting element front/rear end, not only acts as support positioning action, while also acting cushioning buffer effect, with protection ceramics section Fluid element is not extruded damage, the fluorubber seal shock-proof pad with shoulder, can axially and radially carry out simultaneously buffer protection.

Preferably, the both ends of the restricting element placing groove are inside curved end, and the both ends of ceramic throttling pipe are equipped with outer Curved end is equipped with arc fluorubber seal shock-proof pad between restricting element placing groove and the end face of restricting element placing groove. It is connected by curved end, ceramic throttling pipe can be made to connect with measurement pipe more compact, stable；In addition, when shaking, Radian connecting portion can generate component, to reduce the squeezing action of perpendicular end surface, prevent from making ceramic section under the external forces such as vibration The end face of flow tube is damaged, while also can achieve and axially and radially while carrying out buffer protection effect.

Preferably, the side wall of the ceramic throttling pipe is equipped with several vents.Vent is to balance ceramic throttling member The pressure that part is subject to.

Preferably, the decompression bore dia is 3~5mm, and the vent is distributed several along ceramic throttling element axis direction Group, every group of vent are 3~6, are distributed uniformly and circumferentially.Quantity is arranged according to pipe diameter size in the number of every group of vent It differs, general every group is 3~6, is evenly distributed on a circumference, and decompression bore dia is 3~5mm, will be made pottery by vent The inside and outside wall pressure dynamic balance of porcelain restricting element avoids ceramic throttling element from bearing internal pressure and damages.

Preferably, the measurement pipe includes symmetrically arranged first measurement pipe and the second measurement pipe, the first measurement pipe and It is connected between two measurement pipes by being fixedly connected with mode or detachable connection method.Flowmeter bodies are set as two sections of knots by the structure Structure, it is convenient to be internally embedded wedge-shaped ceramic throttling element, it is easy to process.

Preferably, the mode that is fixedly connected is welding.The advantages of welding, is stable structure, good airproof performance.

Preferably, the detachable connection method is that company is respectively set in the first measurement pipe and the second measurement pipe junction Ring is connect, connection ring is equipped with connecting hole, connects the first measurement pipe and the second measurement pipe by connecting hole using bolt/nut combination It is connected together, seal washer is equipped between first measurement pipe and the connection ring of the second measurement pipe.The detachable structure, it is convenient Ceramic throttling element is replaced and repaired, is further prolonged the service life, seal washer increases leakproofness, prevents leakage.

Preferably, wedge-shaped ceramic flow meter, is made up of following steps:

The two-section that flowmeter bodies are divided into symmetrical shape is process, and in the first measurement pipe and the second measurement pipe inwall processing Restricting element placing groove；

Fluorubber seal shock-proof pad is respectively charged into the first measurement pipe and the second measurement pipe；

O-shaped rubber seal ring is mounted in the annular groove of ceramic throttling pipe, then ceramic throttling element is integrally packed into first In measurement pipe and the second measurement pipe；

First measurement pipe is connected with the second measurement pipe.

The beneficial effects of the present invention are: flowmeter bodies are set as two-stage structure by wedge-shaped ceramic flow meter of the invention, side Just it is being internally embedded wedge-shaped ceramic throttling element, by the way that wedge-shaped ceramic throttling element is arranged, is increasing wearability, the anti-corrosion of product Corrosion greatly prolongs the service life of product, saves use cost.In addition, by being equipped with vent on ceramic throttling element, By vent by the inside and outside wall pressure dynamic balance of ceramic throttling element, avoids ceramic throttling element from bearing internal pressure and damage；It is making pottery Annular groove is set on porcelain restricting element, and O-shaped support sealing ring is set in annular groove, prevent ceramic throttling element by External compression, cracked, damage etc., can play buffer function.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；

Fig. 2 is the structural schematic diagram of ceramic throttling element in Fig. 1；

Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2；

Fig. 4 is the structural schematic diagram of ceramic throttling element in Fig. 2.

In figure: 1- ontology, 11- measurement pipe, the first measurement pipe of 111-, the second measurement pipe of 112-, 113- connection ring, 114- are close Seal washer, 115- bolt/nut, 12- connecting flange, 13- pressure tappings, 14- pressure flange, 15- restricting element placing groove, 2- pottery Porcelain restricting element, 21- ceramic throttling pipe, 211- vent, 22- ceramic throttling protrusion, 23-O type rubber seal ring, 24- fluorine rubber Glue seal shock-proof pad.

Specific embodiment

The technical solution of the patent is explained in further detail With reference to embodiment.