CN205278451U

CN205278451U - Tee bend flow divider

Info

Publication number: CN205278451U
Application number: CN201521119622.2U
Authority: CN
Inventors: 杨根长; 陈纪安; 宋阳阳; 刘震; 杨磊
Original assignee: Luoyang Jianguang Special Equipment Co Ltd
Current assignee: Luoyang Jianguang Special Equipment Co Ltd
Priority date: 2015-12-30
Filing date: 2015-12-30
Publication date: 2016-06-01
Anticipated expiration: 2025-12-30

Abstract

The utility model relates to a tee bend flow divider, including valve body and two sets of main valve mechanism, the lateral wall of valve body has three fluid medium interface along radial distribution, and two sets of main valve mechanisms set up the both ends at the valve body respectively for opening and close of application valve body both ends fluid medium interface, main valve mechanism includes disk seat I, case I, valve gap I, transmission I and drive arrangement I, disk seat I sets up at its fluid medium kneck that corresponds one end. All be equipped with the vice valve connecting hole that communicates to the valve pocket on the disk seat of main valve mechanism of every group I, vice valve connecting hole department is connected with pair valve system. The utility model discloses a tee bend flow divider can be used to the great or easy coking of dielectric viscosity, accumulational fluid pipeline is carried, including two main valve mechanisms, can realize the medium reposition of redundant personnel, and can not form " blind spot " that every main valve all is furnished with vice valve, washes the main valve with clear diesel oil through vice valve, clears away the precipitate totally, can improve greatly the normal production time, improves whole device availability.

Description

A kind of three-way flow divider valve

Technical field

This utility model relates to valve technology field, is specifically related to the three-way flow divider valve of the fluid line conveying of a kind of bigger for dielectric viscosity or easy coking, accumulation.

Background technology

Along with the fast development of China's economy, the demand of the energy is increasing, especially being continuously increased of fuel oil demand. Oil is as non-renewable resource, it appears day by day in short supply. The coal resources that rational exploitation and utilization is abundant, with coal for raw material production coal tar, adopt hydrogenation clean technology, make coal tar lighting produce fuel oil, be a feasible development. Coal tar hydrogenating principle is: containing substantial amounts of aromatic hydrocarbons, colloid, asphalitine in coal tar, under the effect of high temperature, high pressure and catalyst, through hydrofinishing and hydrogenation cracking crack open loop, substantial amounts of unsaturated hydrocarbons in coal tar, aromatic hydrocarbons, colloid, asphalitine can be made saturated, obtaining low-molecular-weight saturated hydrocarbons, hydrogenation deviates from S, N, O and metal heteroatom, reduces the content of sulfur and aromatic hydrocarbons, improve its stability, Petroleum and high-grade fuel oil additive can be obtained. But the sulfur of coal tar, nitrogen, oxygen are containing height, and polycyclic aromatic hydrocarbon content is higher, C/Hratio is big, and viscosity is big, content of impurities is high, and containing solid catalyst particle in technical process, it is easy to condensation coking, easily pile up in plant equipment, have a strong impact on the production time, hinder its extensive industrialization. Traditionally, two independent ball valves and a tee pipe fitting is adopted to couple together, reach the purpose of shunting, but when a ball valve is closed, medium comprises again solid particle and viscosity is high, can form " dead band ", when this valve is opened between the centre of sphere and valve body and tee pipe fitting right side area, the deposit being full of dead band not only can stick on pipeline minimizing endoporus circulation, not only can damage upstream device but also need extra time and remove valve and keep in repair.

Utility model content

The purpose of this utility model is the deficiency for solving above-mentioned technical problem, a kind of three-way flow divider valve is provided, can by medium from single channel branch to two passages or one of them, have without dead band, can on-line rinsing, good seal, zero leakage, the advantage such as simple to operate, convenient for installation and maintenance.

This utility model is for solving above-mentioned technical problem, the technical scheme provided is: a kind of three-way flow divider valve, including valve body and Liang Zu main valve mechanism, the sidewall of valve body is radially distributed three fluid media (medium) interfaces, Liang Zu main valve mechanism is separately positioned on the two ends of valve body, keying for application valve body two ends fluid media (medium) interface, described main valve mechanism includes valve seat I, spool I, valve gap I, actuating device I and driving device I, valve seat I is arranged on the fluid media (medium) seam of its corresponding one end, valve gap I is arranged on valve seat I, it is internal that spool I is placed in valve seat I, and be connected with driving device I by actuating device I, the valve seat I of described Mei Zu main valve mechanism is equipped with the secondary valve connecting hole being communicated to valve pocket, secondary valve connection hole is connected to secondary valve system, secondary valve system includes valve seat II, spool II, valve gap II, actuating device II and driving device II, valve seat II is arranged on the secondary valve connection hole of valve seat I, valve gap II is arranged on valve seat II, it is internal that spool II is placed in valve seat II, and be connected with driving device II by actuating device II.

Further improvement as a kind of three-way flow divider valve of this utility model: be additionally provided with cleaning diesel oil inlet on the valve seat II of described secondary valve system.

Further improvement as a kind of three-way flow divider valve of this utility model: be wound gasket between described valve seat I and valve seat II and valve body and seal, is wound gasket and seals between valve gap I and valve gap II and valve body.

A further improvement as a kind of three-way flow divider valve of this utility model: when described main valve mechanism is in out, be metal hard-sealing between spool I and valve gap I.

Further improvement as a kind of three-way flow divider valve of this utility model: when described main valve mechanism is in off-position, be metal hard-sealing between spool I and valve seat I.

Three-way flow divider valve of the present utility model can be used for that dielectric viscosity is bigger or easy coking, the fluid line conveying piled up, including Liang Ge main valve mechanism, medium shunt can be realized, when the spool of a main valve is opened, when the spool of one main valve is closed, spool and valve body are in the tapping point place of perforate, be equivalent to use bend pipe tools, medium is made to pass through, and " dead band " will not be formed, and, each main valve is provided with secondary valve, by the diesel oil of secondary valve cleaning, main valve is rinsed, precipitate is removed clean, the normal production time can be greatly improved, improve integral device efficiency.

Accompanying drawing explanation

Fig. 1 is the external structure schematic diagram of this utility model three-way flow divider valve;

Fig. 2 is the in-house structural representation of main valve of this utility model three-way flow divider valve;

Fig. 3 is the secondary valve system internal structure schematic diagram of this utility model three-way flow divider valve;

Labelling in figure: 1, valve body, 2, fluid media (medium) interface, 3, secondary valve connecting hole, 4, cleaning diesel oil inlet, 201, valve seat I, 202, spool I, 203, valve gap I, 204, actuating device I, 205, driving device I, 301, valve seat II, 302, spool II, 303, valve gap II, 304, actuating device II, 305, driving device II.

Detailed description of the invention

As shown in the figure: a kind of three-way flow divider valve, including valve body 1 and Liang Zu main valve mechanism, the sidewall of valve body 1 is radially distributed has three fluid media (medium) interface 2(can be divided into " one enters scene 2 " or " two enter one goes out " according to the difference of actually used situation), fluid media (medium) interface 2 centrally located in the present embodiment is import, the fluid media (medium) interface 2 being positioned at two ends is outlet, Liang Zu main valve mechanism is separately positioned on the two ends of valve body 1, keying for application valve body 1 two ends fluid media (medium) interface 2, described main valve mechanism includes valve seat I 201, spool I 202, valve gap I 203, actuating device I 204 and driving device I 205, valve seat I 201 is arranged on fluid media (medium) interface 2 place of its corresponding one end, valve gap I 203 is arranged on valve seat I 201, it is internal that spool I 202 is placed in valve seat I 201, and be connected with driving device I 205 by actuating device I 204, actuating device I 204 comprises four support bars and two bases, it is connected with valve body, the connection of trapezoidal screw and spool is realized by split type holding card, driving device I 205 comprises hands wheel, locking nut and guard shield, it is connected with valve stem nut by handwheel center square hole, transmission moment of torsion. the valve seat I 201 of Mei Zu main valve mechanism is equipped with the secondary valve connecting hole 3 being communicated to valve pocket, secondary valve connecting hole 3 place is connected to secondary valve system, secondary valve system includes valve seat II 301, spool II 302, valve gap II 303, actuating device II 304 and driving device II 305, valve seat II 301 is arranged on secondary valve connecting hole 3 place of valve seat I 201, valve gap II 303 is arranged on valve seat II 301, it is internal that spool II 302 is placed in valve seat II 301, and be connected with driving device II 305 by actuating device II 304, actuating device II 304 comprises four support bars and two bases, it is connected with valve body, the connection of trapezoidal screw and spool is realized by split type holding card, driving device II 305 comprises hands wheel, locking nut and guard shield, it is connected with valve stem nut by handwheel center square hole, transmission moment of torsion. it is wound gasket between described valve seat I 201 and valve seat II 301 and valve body 1 to seal, is wound gasket between valve gap I 203 and valve gap II 303 and valve body 1 and seals. when main valve mechanism is in out, it is metal hard-sealing between spool I 202 and valve gap I 203. when main valve mechanism is in off-position, it is metal hard-sealing between spool I 202 and valve seat I 201. the valve seat II 301 of secondary valve system is additionally provided with cleaning diesel oil inlet 4.

The operation principle of this utility model three-way flow divider valve is: when the spool one of Liang Ge main valve mechanism open one close time, medium shunt is to the passage opened, and runner is without dead band. When the spool of main valve mechanism is by when reaching pass and close, the spool of the secondary valve system communicated therewith can be opened, and rinses main valve chamber with the diesel oil of cleaning, takes away the precipitate of a little residual.

The above, it it is only preferred embodiment of the present utility model, not this utility model is done any pro forma restriction, although this utility model is disclosed above with preferred embodiment, but it is not limited to this utility model, any those skilled in the art, without departing within the scope of technical solutions of the utility model, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is without departing from technical solutions of the utility model content, any simple modification above example made according to technical spirit of the present utility model, equivalent variations and modification, all still fall within the scope of technical solutions of the utility model.

Claims

1. a three-way flow divider valve, it is characterized in that: include valve body (1) and Liang Zu main valve mechanism, the sidewall of valve body (1) is radially distributed three fluid media (medium) interfaces (2), Liang Zu main valve mechanism is separately positioned on the two ends of valve body (1), keying for application valve body (1) two ends fluid media (medium) interface (2), described main valve mechanism includes valve seat I (201), spool I (202), valve gap I (203), actuating device I (204) and driving device I (205), valve seat I (201) is arranged on fluid media (medium) interface (2) place of its corresponding one end, valve gap I (203) is arranged on valve seat I (201), it is internal that spool I (202) is placed in valve seat I (201), and be connected with driving device I (205) by actuating device I (204), the valve seat I (201) of described Mei Zu main valve mechanism is equipped with the secondary valve connecting hole (3) being communicated to valve pocket, secondary valve connecting hole (3) place is connected to secondary valve system, secondary valve system includes valve seat II (301), spool II (302), valve gap II (303), actuating device II (304) and driving device II (305), valve seat II (301) is arranged on secondary valve connecting hole (3) place of valve seat I (201), valve gap II (303) is arranged on valve seat II (301), it is internal that spool II (302) is placed in valve seat II (301), and be connected with driving device II (305) by actuating device II (304).

2. a kind of three-way flow divider valve as claimed in claim 1, it is characterised in that: the valve seat II (301) of described secondary valve system is additionally provided with cleaning diesel oil inlet (4).

3. a kind of three-way flow divider valve as claimed in claim 1, it is characterized in that: be wound gasket between described valve seat I (201) and valve seat II (301) and valve body (1) and seal, be wound gasket between valve gap I (203) and valve gap II (303) and valve body (1) and seal.

4. three-way flow divider valve as claimed in claim 1 a kind of, it is characterised in that: when described main valve mechanism is in out, it is metal hard-sealing between spool I (202) and valve gap I (203).

5. a kind of three-way flow divider valve as claimed in claim 1, it is characterised in that: when described main valve mechanism is in off-position, it is metal hard-sealing between spool I (202) and valve seat I (201).