CN213655057U - Hydraulic end for conveying high-temperature and high-pressure solid-containing medium - Google Patents
Hydraulic end for conveying high-temperature and high-pressure solid-containing medium Download PDFInfo
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- CN213655057U CN213655057U CN202022612813.XU CN202022612813U CN213655057U CN 213655057 U CN213655057 U CN 213655057U CN 202022612813 U CN202022612813 U CN 202022612813U CN 213655057 U CN213655057 U CN 213655057U
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Abstract
A hydraulic end for conveying high-temperature and high-pressure solid-containing media aims to solve the problems of short service life of a pump body and low conveying efficiency due to easy blockage when high-temperature and high-pressure solid-containing slurry is conveyed; the pump body assembly comprises a pump body assembly with a split structure, wherein the pump body assembly comprises a plurality of pump bodies arranged side by side, the inlet ends of the pump bodies are connected with a suction header pipe through a liquid inlet valve, the outlet ends of the pump bodies are connected with a discharge header pipe through a liquid outlet valve, the lateral sides of the pump bodies are connected with stuffing boxes, plungers at power ends penetrate through the stuffing boxes, and the plungers are communicated with the interior of the pump bodies; the stuffing box is provided with an injection system, a flushing system and a sealing oil system; the utility model discloses simple structure is ingenious, adopts the pump body assembly of split type structure, and the pump body is inside to adopt big or small concentric circles design to and the special check valve that contains solid medium design for high temperature high pressure, guarantee that high temperature high pressure contains the circulation of solid medium good, avoid producing the siltation phenomenon, thereby improve production efficiency.
Description
Technical Field
The utility model relates to a reciprocating pump technical field especially relates to a carry high temperature high pressure to contain hydraulic end of solid medium.
Background
The medium that high temperature high pressure ground paste conveying pump carried has characteristics such as high temperature high pressure, high solid, high viscosity, high corrosivity, and the current pump body does not have fine solution to this field, leads to causing pump body life-span to shorten when carrying this ground paste, and the pump body blocks up, and the circulation is poor.
SUMMERY OF THE UTILITY MODEL
For overcoming the defect of the prior art, the utility model provides a carry high temperature high pressure to contain the fluid end of solid medium, its aim at solves and carries high temperature high pressure to contain the pump body short-lived when solid ground paste, the easy problem of blockking up transport efficiency low.
The technical scheme for solving the technical problem is as follows: a hydraulic end for conveying high-temperature and high-pressure solid-containing media comprises a pump body assembly of a split structure, wherein the pump body assembly comprises a plurality of pump bodies arranged side by side, the inlet end of each pump body is connected with a suction header pipe through a liquid inlet valve, the outlet end of each pump body is connected with a discharge header pipe through a liquid discharge valve, a stuffing box is connected to the side of each pump body, a plunger of a power end penetrates through the stuffing box, and the plunger is communicated with the interior of each pump body; and the stuffing box is provided with an injection system, a flushing system and a sealing oil system.
Preferably, a truss is arranged outside the pump body assembly and fixes the plurality of pump bodies.
Preferably, the suction manifold and the discharge manifold are located on either side of the plane of the axis of the pump body.
Preferably, the pump body in be equipped with columniform pump chamber, the pump chamber both ends are equipped with the medium inlet and the medium outlet with external intercommunication, the diameter of medium inlet and medium outlet is less than the pump chamber diameter, pump body side is equipped with the through-hole of intercommunication pump chamber, the inside steam conduit that is equipped with of pump body, pump body both ends are equipped with steam inlet and steam outlet respectively.
Preferably, the liquid inlet valve comprises a valve seat, a valve body is arranged on the valve seat, and a valve ball is arranged in the valve body through a valve guide sleeve; the valve seat is of a circular structure, a chamfer is arranged on the inner side of the valve seat, a valve line is welded on the chamfer, and the valve line is in contact with the valve ball.
Preferably, the valve line is arranged on two sides of the inner part of the valve ball and is symmetrical.
Preferably, the chamfer of the inner side of the valve seat is a round angle, the inner side of the valve line is welded with the round angle, and the outer side of the valve line is of a folded line structure protruding outwards.
Preferably, the injection system comprises an oil hole arranged on the stuffing box, and an oil groove surrounding the plunger is arranged inside the stuffing box.
Preferably, the flushing system comprises a flushing groove which is arranged on the inner side of the stuffing box and surrounds the plunger, and a flushing oil inlet and a flushing oil outlet which are communicated with the flushing groove are respectively arranged on the upper side and the lower side of the stuffing box.
Preferably, the sealing oil system comprises a sealing oil groove which is arranged on the inner side of the end part of the stuffing box and surrounds the plunger, and a sealing oil injection port is arranged above the sealing oil groove.
The utility model discloses simple structure is ingenious, adopts the pump body assembly of split type structure, and the pump body is inside to adopt big or small concentric circles design to and the special check valve that contains solid medium design for high temperature high pressure, guarantee that high temperature high pressure contains the circulation of solid medium good, avoid producing the siltation phenomenon, thereby improve production efficiency.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic cross-sectional side view of fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.
Fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.
Fig. 5 is a front view structural section of the middle pump body of the present invention.
Figure 6 is a schematic cross-sectional side view of the present invention in figure 5.
Fig. 7 is a schematic sectional structure diagram of the middle liquid inlet valve of the present invention.
Fig. 8 is a front sectional view of the valve seat of the present invention.
Fig. 9 is an enlarged schematic view of the structure of fig. 8 at C.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from fig. 1 to 9, the hydraulic end for conveying high-temperature and high-pressure solid-containing media comprises a pump body assembly of a split structure, wherein the pump body assembly comprises a plurality of pump bodies 1 arranged side by side, the inlet end of each pump body 1 is connected with a suction header pipe 3 through a liquid inlet valve 2, the outlet end of each pump body 1 is connected with a discharge header pipe 5 through a liquid discharge valve 4, a stuffing box 6 is connected to the side of each pump body 1, a plunger 7 at a power end penetrates through the stuffing box 6, and the plunger 7 is communicated with the interior of each pump body 1; and the stuffing box 6 is provided with an injection system, a flushing system and a sealing oil system.
In the device, in order to realize the assembly and disassembly of the pump body assembly, a truss 8 is arranged outside the pump body assembly, and the truss 8 fixes a plurality of pump bodies 1.
In the device, the suction manifold 3 and the discharge manifold 5 are respectively located on both sides of the plane of the axis of the pump body 1.
In this device, pump body 1 in be equipped with columniform pump chamber 9, pump chamber 9 both ends are equipped with medium inlet 10 and the medium export 11 with external intercommunication, the diameter of medium inlet 10 and medium export 11 is less than pump chamber 9 diameter, pump body 1 side is equipped with the through-hole 12 of intercommunication pump chamber 9, the inside steam conduit 13 that is equipped with of pump body 1, pump body 1 both ends are equipped with steam inlet 14 and steam outlet 15 respectively, pump body 1 adopts the design of big or small concentric circles, the volume of inside pump chamber 9 has been enlarged, be convenient for process, and the anti fatigue strength of pump body 1 has been strengthened.
The pump body 1 is a forged piece made of 06Cr13Ni4Mo martensitic stainless steel material, and the outer ends of the medium inlet 10 and the medium outlet 11 are provided with 20-degree openings, so that an open transition is formed when the pump body 1 is connected with the liquid inlet valve 2 and the liquid discharge valve 4, solid particle media are prevented from silting in the pump cavity 9, and the medium liquidity of the cavity hole of the valve is ensured.
The medium inlet 10 and the steam outlet 15 are located at the same end of the pump body 1, the medium outlet 11 and the steam inlet 14 are located at the same end of the pump body 1, the steam pipeline 13 is arranged around the pump cavity 9, the medium flow direction is opposite to the steam flow direction, and a better cooling effect is achieved.
In the device, the liquid inlet valve 2 comprises a valve seat 16, a valve body 17 is arranged on the valve seat 16, and a valve ball 19 is arranged in the valve body 17 through a valve guide sleeve 18; the valve seat 16 is of a circular ring-shaped structure, chamfers are arranged on the inner side of the valve seat 16, valve lines 20 are welded on the chamfers, the valve lines 20 are in contact with the valve ball 19, the valve lines 20 are arranged on two sides inside the valve ball 19 and are symmetrical, the chamfers on the inner side of the valve seat 16 are fillets, the inner side of each valve line 20 is welded with the corresponding fillet, the outer side of each valve line 20 is of a folded line-shaped structure protruding outwards, and the liquid inlet valve 2 is identical to the liquid outlet valve.
In order to prolong the service life of the check valve, the valve seat 16 is made of 0Cr18Ni9 material, the valve wire 20 is made of STL21 stellite alloy material, the hardness of the valve wire 20 reaches HRC28-32, the valve seat 16 is formed by forging and pressing, the valve wire 20 is subjected to solid solution treatment after forging, the valve wire 20 is arranged on two sides inside the valve ball 19 and is symmetrical, the valve wire 20 and the valve seat 16 are subjected to plasma welding and annealing stress relief treatment after welding, phenomena of air holes, cracks, unshelling and the like cannot occur in welding seams, the valve seat 16 and the valve wire 20 are subjected to a coloring test on the welding seams after rough machining, whether the defects exist is detected, the valve wire 20 is arranged on two sides of the valve seat 16, the valve seat 16 can be used on two sides, and can be used after being overturned when the valve wire 20 on one side is seriously worn, the service life of the valve seat 16 can be doubled, and the service life of the check valve is.
In order to enable the valve line 20 to be better matched with the valve ball 19, the inner side of the valve seat 16 is chamfered into a round angle, the inner side of the valve line 20 is welded with the round angle, the outer side of the valve line 20 is of an outwards-convex fold line-shaped structure, a fold line edge adjacent to the end face of the valve seat 16 forms an angle of 20 degrees with the end face of the valve seat 16, a fold line edge adjacent to the inner wall of the valve seat 16 forms an angle of 35 degrees with the inner wall of the valve seat 16, the fold line is in contact with the valve ball 19 to realize sealing between the valve ball 19 and the valve seat 16 and provide support for rotation of the valve ball 19, the valve line 20 is in line contact with; the valve ball 19 and the valve line 20 are folded at an angle of 20 degrees to form a sealing structure which can bear high pressure of 300 ℃ and 32 MPa.
In this device, the filling system is including setting up the oil filler point 21 on stuffing box 6, and the inside oiling groove 22 that encircles plunger 7 that is equipped with of stuffing box 6, and the rinse-system is including setting up the rinse-tank 23 that encircles plunger 7 in stuffing box 6 inboard, and both sides are equipped with the flush oil entry 24 and the flush oil export 25 of intercommunication rinse-tank 23 respectively about stuffing box 6, and the sealed oil system is including setting up at the inboard sealed oil groove 26 that just encircles plunger 7 of stuffing box 6 tip, and sealed oil groove 26 top is equipped with sealed oil filling opening 27.
When the utility model is used in a concrete way,
the power end of a reciprocating pump is connected into a stuffing box 6 and is connected with a pump body 1, then injection oil is added into an injection system of the stuffing box 6, a flushing oil pump is connected to a flushing oil inlet 24 of a flushing system, sealing oil is filled in a sealing oil system, then equipment is started, and a plunger 7 driven by the power end reciprocates, so that pressure difference is generated in the pump body 1, a medium sucked into a main pipe 3 is sucked into the pump body 1 and discharged into a discharge main pipe, and the conveying process of a high-temperature high-pressure solid-containing medium is completed.
In this device, because the special design of the pump body 1, check valve for solid particle medium does not have the siltation at 1 inner chamber of the pump body in transportation process, guarantees the circulation of valve inner chamber hole medium, and prolongs the life of check valve, and then prolongs the life of hydraulic end.
All be provided with steam conduit 13 in stuffing box 6, truss 8 and pump body assembly for absorb the heat that these parts produced at the during operation, reduce thermal deformation, and when the pump shutdown was overhauld, revised the steam system into cooling system, be used for the high temperature part of quick cooling during operation, so that overhaul it.
Compared with the prior art, the utility model, following beneficial effect has: the pump body assembly adopts a split structure, so that the manufacturing difficulty and cost are reduced; the inner cavity of the pump body is designed by adopting large and small concentric circles, so that the volume of the inner cavity is increased, the manufacture is convenient, and the strength of the pump body is enhanced; chamfers arranged at the medium inlet and the medium outlet are convenient for solid particle medium to circulate, so that siltation is avoided; the steam pipeline cools the pump body in the working process, so that adverse effects caused by thermal deformation of the pump body are reduced; the ball valve is adopted as a main body of the one-way valve, is very suitable for conveying high-temperature, high-pressure, high-solid and high-viscosity media, is flexible and convenient to open and close, and is not easy to block; valve line hardness is higher, but the disk seat two-sided use, can prolong disk seat life, further prolongs the life of check valve.
Claims (10)
1. The hydraulic end for conveying high-temperature and high-pressure solid-containing media is characterized by comprising a pump body assembly of a split structure, wherein the pump body assembly comprises a plurality of pump bodies (1) arranged side by side, the inlet ends of the pump bodies (1) are connected with a suction header pipe (3) through a liquid inlet valve (2), the outlet ends of the pump bodies (1) are connected with a discharge header pipe (5) through a liquid discharge valve (4), a stuffing box (6) is connected to the side of each pump body (1), a plunger (7) at a power end penetrates through the stuffing box (6), and the plunger (7) is communicated with the interior of each pump body (1); the stuffing box (6) is provided with an injection system, a flushing system and a sealing oil system.
2. The fluid end for conveying high-temperature and high-pressure solid-containing media of claim 1, wherein the pump body assembly is externally provided with a truss (8), and the truss (8) fixes a plurality of pump bodies (1).
3. The hydraulic end for conveying high-temperature and high-pressure solid-containing media according to claim 1, characterized in that the suction manifold (3) and the discharge manifold (5) are respectively positioned on two sides of the plane on which the axis of the pump body (1) is positioned.
4. The fluid end for conveying high-temperature and high-pressure solid-containing media according to claim 1, wherein a cylindrical pump cavity (9) is arranged in the pump body (1), a medium inlet (10) and a medium outlet (11) which are communicated with the outside are arranged at two ends of the pump cavity (9), the diameters of the medium inlet (10) and the medium outlet (11) are smaller than the diameter of the pump cavity (9), a through hole (12) communicated with the pump cavity (9) is formed in the side of the pump body (1), a steam pipeline (13) is arranged in the pump body (1), and a steam inlet (14) and a steam outlet (15) are respectively arranged at two ends of the pump body (1).
5. The hydraulic end for conveying high-temperature and high-pressure solid-containing media according to claim 1, wherein the liquid inlet valve (2) comprises a valve seat (16), a valve body (17) is arranged on the valve seat (16), and a valve ball (19) is arranged in the valve body (17) through a valve guide sleeve (18); the valve seat (16) is of a circular structure, a chamfer is arranged on the inner side of the valve seat (16), a valve line (20) is welded on the chamfer, and the valve line (20) is in contact with the valve ball (19).
6. The hydraulic end for conveying high-temperature and high-pressure solid-containing media of claim 5, wherein the valve line (20) is symmetrically arranged on two sides of the inside of the valve ball (19).
7. The hydraulic end for conveying high-temperature and high-pressure solid-containing media according to claim 5, wherein the inner side of the valve seat (16) is chamfered into a round angle, the inner side of the valve line (20) is welded with the round angle, and the outer side of the valve line (20) is of an outwardly-convex fold line structure.
8. A fluid end for transporting high-temperature and high-pressure solid-containing media according to claim 1, characterized in that the injection system comprises an oil hole (21) arranged on the stuffing box (6), and an oil groove (22) surrounding the plunger (7) is arranged inside the stuffing box (6).
9. The hydraulic end for conveying high-temperature and high-pressure solid-containing media according to claim 1, wherein the flushing system comprises a flushing groove (23) which is arranged on the inner side of the stuffing box (6) and surrounds the plunger (7), and a flushing oil inlet (24) and a flushing oil outlet (25) which are communicated with the flushing groove (23) are respectively arranged on the upper side and the lower side of the stuffing box (6).
10. The fluid end for conveying high-temperature and high-pressure solid-containing media of claim 1, wherein the sealing oil system comprises a sealing oil groove (26) which is arranged inside the end part of the stuffing box (6) and surrounds the plunger (7), and a sealing oil injection port (27) is arranged above the sealing oil groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022612813.XU CN213655057U (en) | 2020-11-12 | 2020-11-12 | Hydraulic end for conveying high-temperature and high-pressure solid-containing medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022612813.XU CN213655057U (en) | 2020-11-12 | 2020-11-12 | Hydraulic end for conveying high-temperature and high-pressure solid-containing medium |
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| Publication Number | Publication Date |
|---|---|
| CN213655057U true CN213655057U (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022612813.XU Active CN213655057U (en) | 2020-11-12 | 2020-11-12 | Hydraulic end for conveying high-temperature and high-pressure solid-containing medium |
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| CN (1) | CN213655057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288968A (en) * | 2022-08-13 | 2022-11-04 | 上海福思特流体机械有限公司 | Reciprocating pump and system for conveying high-solid-content medium |
-
2020
- 2020-11-12 CN CN202022612813.XU patent/CN213655057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288968A (en) * | 2022-08-13 | 2022-11-04 | 上海福思特流体机械有限公司 | Reciprocating pump and system for conveying high-solid-content medium |
| CN115288968B (en) * | 2022-08-13 | 2023-06-27 | 上海福思特流体机械有限公司 | Reciprocating pump and system for conveying high-solid-content medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hydraulic end for conveying high temperature and high pressure solid containing medium Effective date of registration: 20220927 Granted publication date: 20210709 Pledgee: Societe Generale Bank Co.,Ltd. Qingpu Branch of Shanghai Pledgor: SHANGHAI FIRST FLUID MACHINERY CO.,LTD. Registration number: Y2022980016665 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230920 Granted publication date: 20210709 Pledgee: Societe Generale Bank Co.,Ltd. Qingpu Branch of Shanghai Pledgor: SHANGHAI FIRST FLUID MACHINERY CO.,LTD. Registration number: Y2022980016665 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |