CN214660820U

CN214660820U - Process fluid gear flow dividing device

Info

Publication number: CN214660820U
Application number: CN202120682589.3U
Authority: CN
Inventors: 聂勇; 张琦; 孙奇刚; 张家庚; 张本松
Original assignee: Shandong Youdao Chemical Co ltd
Current assignee: Shandong Youdao Chemical Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-09
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a process fluid gear shunting device, which belongs to the shunting field and comprises a cylinder body and a gland, wherein grooves are arranged on the front side and the rear side of the cylinder body, a group of gears which are meshed with each other is arranged in the groove on each side, and a liquid suction cavity and a liquid pressing cavity are respectively arranged above and below the meshing part of each group of gears; still include inlet and two liquid outlets, inlet and imbibition chamber intercommunication, two liquid outlets communicate with cylinder body both sides pressure liquid cavity respectively, the utility model discloses utilize the pressure of pump to get into cylinder body both sides imbibition chamber respectively with the fluid through the inlet, the hydraulic pressure that the meshing teeth of a cogwheel surface received is the same, therefore can produce unbalanced hydraulic pressure force on the flank of tooth, hydraulic pressure force produces the torque around the gear center, it is rotatory to drive the gear, thereby arrange the liquid in the gear clearance to pressure liquid cavity, because the pressure liquid cavity of cylinder body both sides does not communicate, it links to each other to be equipped with a liquid outlet respectively in the cylinder body both sides, thereby divide into two strands of fluid of inlet.

Description

Process fluid gear flow dividing device

Technical Field

The utility model relates to a reposition of redundant personnel field, concretely relates to technology fluid gear diverging device.

Background

In commercial processes, it is often necessary to transport process fluids from a tank farm to a plurality of reaction units, and at present, tee fittings are often used directly for splitting. However, due to the difference in pipe diameter of each branch, pressure drop of the reactor and pipe distribution manner, the on-way pressure difference of the fluid flowing through each branch is large, and uneven flow distribution can occur in the shunting process. Currently, to solve the problem of uneven fluid flow distribution requires a separate pump and flow meter to be placed in each branch. The pump is used for guaranteeing that the fluid pressure of each branch is in a certain range, and the flow meter is used for detecting the uniformity of flow distribution. The design of the pump and the flowmeter ensures the uniformity of flow distribution, but also increases the energy consumption and the operation cost of the equipment.

In view of the problems of the prior art, the present invention is directed to a process fluid gear flow divider assembly that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a pair of technology fluid gear diverging device can divide equally the flow with the help of the hydraulic pressure realization of pump, and the reposition of redundant personnel error is low, and is effectual.

In order to realize the purpose, the utility model discloses a technical scheme as follows: a process fluid gear flow dividing device comprises a cylinder body, wherein grooves are formed in the front side and the rear side of the cylinder body, a group of gears meshed with each other is arranged in each groove, and a liquid suction cavity and a liquid pressing cavity are respectively formed above and below the meshing position of each group of gears;

the gland seals the grooves on the front side and the rear side of the cylinder body;

the liquid inlet is communicated with liquid suction cavities on two sides of the cylinder body, and the two liquid outlets are respectively communicated with hydraulic cavities on two sides of the cylinder body.

Preferably, the inlet includes the radial hole of feed liquor and feed liquor axial hole, the radial hole of feed liquor and feed liquor axial hole intercommunication, the radial hole of feed liquor sets up at the cylinder body top, the feed liquor axial hole runs through the imbibition chamber of cylinder body both sides.

Preferably, the two liquid outlets are arranged at the bottom of the cylinder body.

Preferably, the liquid inlet axial hole is arranged right above the meshing clearance of the two gears, and the liquid outlet is arranged right below the meshing clearance of the two gears.

Preferably, two groups of gears on the front side and the rear side of the cylinder body rotate synchronously.

Preferably, the cylinder body is provided with two round holes, and the two round holes penetrate through the grooves on the front side and the rear side of the cylinder body;

and transmission shafts are arranged in the two round holes, and gears are arranged at two ends of each transmission shaft.

Preferably, a bearing is arranged between the transmission shaft and the round hole.

Preferably, the clearance between the gear tooth crest and the two sides of the groove is 0-0.1 mm.

Preferably, the module and number of intermeshing gears are the same.

Preferably, the distance between the bottom of the groove and the gland is equal to the thickness of the gear.

The utility model discloses an useful part lies in:

1. the utility model discloses utilize the hydraulic pressure alright realization of pump to equally divide the flow, need not to consume the external energy again, it is effectual to shunt moreover, and the reposition of redundant personnel precision is high, and flow error is steerable within 5%.

2. The utility model discloses the fluid gets into cylinder body both sides imbibition chamber respectively through the inlet, and the hydraulic pressure that the teeth of a cogwheel surface of two sets of meshing received this moment is the same, nevertheless because the distance at two gear mesh points to gear center is less than the addendum radius, therefore can produce unbalanced hydraulic pressure force on the flank of tooth, and hydraulic pressure force produces the torque around the gear center, and it is rotatory to drive the gear.

3. The utility model discloses two sets of meshing gear synchronous motion of cylinder body both sides to arrange the liquid in the gear clearance to the pressure hydraulic chamber, because the utility model discloses the pressure hydraulic chamber of cylinder body both sides does not communicate, is equipped with a liquid outlet respectively in the cylinder body both sides and links to each other, and because the displacement volume of the every rotation a week of gear is fixed, so the flow of two liquid outlets also is fixed to divide into two strands of fluid with the inlet.

4. The utility model discloses the clearance control of gear tooth top and recess both sides has taken into account the transmission precision of leakproofness and gear within 0.1mm, combines the imbibition chamber and the hydraulic chamber at gear meshing clearance both ends, has guaranteed that the fluid can be accurate flow through the meshing clearance.

Drawings

FIG. 1 is a schematic structural view of a cylinder of a process fluid gear flow divider;

FIG. 2 is a front cross-sectional view of a process fluid gear flow splitting device;

FIG. 3 is a cross-sectional view A-A of a process fluid gear flow splitting device;

FIG. 4 is a schematic view of a drive shaft of a process fluid gear flow divider;

FIG. 5 is a schematic view of the clearance between the gear and the inner wall of the groove.

In the figure: 1-cylinder body, 2-groove, 3-liquid inlet axial hole, 4-round hole, 5-liquid outlet, 6-liquid inlet radial hole, 7-liquid suction cavity, 8-liquid pressing cavity, 9-gear, 10-transmission shaft and 11-bearing.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 5, a process fluid gear diversion device comprises a cylinder body 1 and a gland, wherein grooves 2 are respectively arranged on the front side and the rear side of the cylinder body 1, the gland seals the grooves 2 on the front side and the rear side of the cylinder body 1, a group of gears 9 which are meshed with each other are respectively arranged in the grooves 2 on each side, and a liquid suction cavity 7 and a liquid pressing cavity 8 are respectively arranged above and below the meshing position of each group of gears 9;

the utility model also comprises a liquid inlet and two liquid outlets 5, the liquid inlet is communicated with the liquid suction cavities 7 at the two sides of the cylinder body 1, the two liquid outlets 5 are respectively communicated with the liquid pressing cavities 8 at the two sides of the cylinder body 1, the fluid is fed in by the pressure of the pump through the liquid inlet and respectively fed into the liquid suction cavities 7 at the two sides of the cylinder body 1, the hydraulic pressure on the surfaces of two groups of meshed gear teeth is the same, but because the distance from the meshing point of the two gears 9 to the center of the gear 9 is less than the radius of the addendum circle, unbalanced hydraulic pressure can be generated on the tooth surface, the hydraulic pressure generates torque around the center of the gear 9 to drive the gear 9 to rotate, the two pairs of meshed gears 9 at the two sides of the cylinder body 1 synchronously move, thereby the liquid in the gap between the gear 9 is discharged to the liquid pressing cavities 8, because the liquid pressing cavities 8 at the two sides of the cylinder body 1 are not communicated, one liquid outlet 5 is respectively arranged at the two sides of the cylinder body 1, and the discharge volume of each rotation of the gear 9 is fixed, the flow rates of the two outlet ports 5 are also fixed, so that one flow of the inlet port is divided into two flows.

The utility model discloses the inlet specifically includes feed liquor radial hole 6 and feed liquor axial hole 3, feed liquor radial hole 6 and feed liquor axial hole 3 intercommunication, feed liquor radial hole 6 sets up at 1 top of cylinder body, and feed liquor axial hole 3 runs through imbibition chamber 7 of 1 both sides of cylinder body, and two liquid outlets 5 set up in 1 bottom of cylinder body, preferably with feed liquor axial hole 3 setting directly over two gear 9 meshing gaps, set up liquid outlet 5 under two gear 9 meshing gaps to reduce water pressure loss, the rivers pressure of messenger promotes the gear 9 rotatory, and just so the utility model discloses it is rotatory to need pressure to promote gear 9, consequently can cause certain loss of pressure, consequently must realize the reposition of redundant personnel with the help of the pressure of pump, the utility model discloses especially adapted outlet pressure is big, and the pump that the flow is big.

For realizing the flow equipartition, the utility model discloses two sets of gear 9 synchronous rotations of both sides around the cylinder body 1, intermeshing's gear 9 modulus and number of teeth are all the same, and its concrete structure is: be equipped with two round holes 4 on cylinder body 1, two round holes 4 run through the recess 2 of both sides around cylinder body 1, all are equipped with transmission shaft 10 in two round holes 4, and transmission shaft 10 both ends all are equipped with gear 9, for reducing loss of pressure, the utility model discloses be equipped with bearing 11 between transmission shaft 10 and the round hole 4.

In order to guarantee that the fluid only flows through the gear 9 meshing gap, the utility model discloses the clearance of gear 9 addendum and recess 2 both sides is 0-0.1mm, and preferred clearance is 0-0.05mm, and it has compromise the transmission precision of leakproofness with gear 9, combines imbibition chamber 7 and the pressure liquid chamber 8 at gear 9 meshing gap both ends, has guaranteed that the fluid can be accurate flows through the meshing gap. In addition the utility model discloses the interval of recess 2 bottom and gland is the same with the thickness of gear 9 as far as to avoid the fluid to flow from gear 9 both sides.

The whole structure utilizes the hydraulic pressure of the pump to realize the equal division of the flow, external energy is not required to be consumed, the flow dividing effect is good, the flow dividing precision is high, and the flow error can be controlled within 5 percent.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.

Claims

1. A process fluid gear flow splitting device, characterized by: the hydraulic cylinder comprises a cylinder body, wherein grooves are formed in the front side and the rear side of the cylinder body, a group of gears which are meshed with each other is arranged in each groove, and a liquid suction cavity and a liquid pressing cavity are respectively arranged above and below the meshing position of each group of gears;

2. A process fluid gear diversion apparatus as claimed in claim 1 wherein: the inlet includes the radial hole of feed liquor and feed liquor axial hole, the radial hole of feed liquor and feed liquor axial hole intercommunication, the radial hole of feed liquor sets up at the cylinder body top, the feed liquor axial hole runs through the imbibition chamber of cylinder body both sides.

3. A process fluid gear diversion apparatus as claimed in claim 1 wherein: the two liquid outlets are arranged at the bottom of the cylinder body.

4. A process fluid gear diversion apparatus as claimed in claim 2 wherein: the liquid inlet axial hole is arranged right above the meshing clearance of the two gears, and the liquid outlet is arranged right below the meshing clearance of the two gears.

5. A process fluid gear diversion apparatus as claimed in claim 1 wherein: two groups of gears on the front side and the rear side of the cylinder body rotate synchronously.

6. A process fluid gear diversion apparatus according to claim 5 wherein: the cylinder body is provided with two round holes which penetrate through the grooves on the front side and the rear side of the cylinder body;

7. A process fluid gear diversion apparatus as claimed in claim 6 wherein: and a bearing is arranged between the transmission shaft and the round hole.

8. A process fluid gear diversion apparatus as claimed in claim 1 wherein: the clearance between the gear tooth top and the two sides of the groove is 0-0.1 mm.

9. A process fluid gear diversion apparatus as claimed in claim 1 wherein: the module and the number of teeth of the gears which are meshed with each other are the same.

10. A process fluid gear diversion apparatus as claimed in claim 1 wherein: the distance between the bottom of the groove and the gland is equal to the thickness of the gear.