CN214249169U

CN214249169U - Multi-channel high-pressure feeding pipe group and multi-channel high-pressure feeding system composed of same

Info

Publication number: CN214249169U
Application number: CN202120353573.8U
Authority: CN
Inventors: 周根明; 吴学民; 徐延江; 吴静轩; 董立波
Original assignee: Beijing Jinchengxin Mine Technology Institute Co ltd; Jincheng Mine Engineering Design Institute Co ltd; JCHX MINING MANAGEMENT CO Ltd
Current assignee: Beijing Jinchengxin Mine Technology Institute Co ltd; Jincheng Mine Engineering Design Institute Co ltd; JCHX MINING MANAGEMENT CO Ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-09-21
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a multichannel high pressure feed nest of tubes and multichannel high pressure feed system of constituteing thereof, multichannel high pressure feed nest of tubes includes stereoplasm pay-off nest of tubes, stereoplasm pay-off nest of tubes has a discharge gate and a plurality of feed inlets, every feed inlet department is equipped with a respectively and ends contrary subassembly, it is used for avoiding corresponding to end contrary subassembly is used for avoiding corresponding the material backward flow of feed inlet department, thereby can be by the feed pressure that thereby a plurality of feed inlets feed simultaneously increased discharge gate department, and every feed inlet department sets up and ends contrary subassembly, so can be when arbitrary one or arbitrary a plurality of (non-whole) feed inlets are in the feed that stops, do not influence the feed pressure of the feed inlet of all the other normal feeds, and the material can not arrange outward via the feed inlet that is in the feed that stops.

Description

Multi-channel high-pressure feeding pipe group and multi-channel high-pressure feeding system composed of same

Technical Field

The utility model belongs to high-pressure feed field especially relates to a multichannel high pressure feed nest of tubes and multichannel high pressure feed system who constitutes thereof.

Background

In the field of mine filling engineering, for filling a large-multiple-line stope goaf, filling slurry prepared at an earth surface filling station is generally conveyed to the goaf to be filled in a pressurizing way through a pumping device. With the progress of mining technology and the enlargement of goafs, the pipeline transportation application of large-flow high-pressure filling slurry is increasingly common. However, due to the manufacturing level of the filling pump, it is difficult for a large-displacement filling pump to generate a high delivery pressure at the same time. The industry has tried to solve this problem by using a multi-pump confluence technical route, but the technical measures are not appropriate, so far, the problem is still solved. The method can be realized by adopting a plurality of sets of pumping systems and a plurality of corresponding conveying pipelines, so that the pipeline system is complicated, and the construction cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide a multi-channel high-pressure feeding pipe set with a simple structure and a plurality of feeding channels.

In order to achieve the above object, one of the technical solutions of the present invention is as follows: a multi-channel high-pressure feeding pipe group comprises a hard feeding pipe group, wherein the hard feeding pipe group is provided with a discharge hole and a plurality of feed holes, each feed hole is provided with a check assembly, and the check assemblies are used for avoiding material backflow at the corresponding feed holes.

The beneficial effects of the above technical scheme are that: thus, the material can be fed by the plurality of feed inlets simultaneously, the feeding pressure at the discharge outlet is increased, and the non-return assembly is arranged at each feed inlet, so that when any one or any plurality of (non-all) feed inlets stop feeding, the feeding pressure of the rest of feed inlets which normally feed is not influenced, and the material cannot be discharged outwards through the feed inlets which stop feeding.

Still include a plurality of flexible tube joints among the above-mentioned technical scheme, it is a plurality of flexible tube joint is with a plurality of the feed inlet one-to-one, and every flexible tube joint is established in the correspondence feed inlet department, it is used for corresponding feed inlet department provides the flexible surplus of pressure release.

The beneficial effects of the above technical scheme are that: if the feeding pressure is too high at any one feeding port, the pressure can be relieved by extending the telescopic pipe section arranged at the feeding port for the sake of safety.

In the above technical scheme, the hard feeding pipe group comprises a hard feeding main pipe and a plurality of hard branch pipes, one end of the hard feeding main pipe is respectively communicated with one ends of the hard branch pipes, each hard branch pipe is used for conveying materials to the hard feeding main pipe, the other end of each hard branch pipe respectively forms a feed inlet of the hard feeding pipe group, the other end of the hard feeding main pipe forms a discharge outlet of the hard feeding pipe group, and each hard branch pipe is respectively provided with one check assembly and one telescopic pipe joint.

The beneficial effects of the above technical scheme are that: therefore, the hard branch pipes can be directly converged to the hard feeding main pipe, and the hard feeding main pipe has few branch nodes and good stability.

In the technical scheme, the pipe diameter of the hard branch pipe is smaller than that of the hard feeding main pipe.

The beneficial effects of the above technical scheme are that: so when making a plurality of feed inlets feeding simultaneously, discharge gate department can adapt to the material flow who corresponds, avoids discharge gate department pressure superelevation.

In the technical scheme, the non-return component comprises a valve shell, a non-return block and a plurality of supporting blocks, wherein two interfaces which are distributed oppositely and communicated with the interior of the valve shell are arranged on the valve shell, the two interfaces are respectively a first interface and a second interface, the non-return block and the supporting blocks are arranged in the valve shell, and the supporting blocks are arranged at the edge of the second interface in an enclosing manner at intervals;

when the material in the valve shell flows forward to the second interface along the first interface, the non-return block moves to be abutted against the supporting blocks under the driving of the material, and the material is discharged to the second interface through gaps among the supporting blocks;

when the materials in the valve shell reversely flow to the first interface along the second interface, the non-return block moves to be close to the first interface and blocks the first interface under the driving of the materials.

The beneficial effects of the above technical scheme are that: the structure is simple, and the performance is stable.

In the technical scheme, the non-return block is spherical.

The beneficial effects of the above technical scheme lie in that its simple structure, and more stable.

In the technical scheme, the telescopic pipe joint comprises two straight pipe-shaped sub pipe joints which are distributed at intervals, one end of one sub pipe joint extends into one end of the other sub pipe joint close to the other sub pipe joint, the two sub pipe joints are in sealed sliding contact with each other, the two sub pipe joints can slide to be away from each other to be extended or to be close to each other to be shortened, and one ends of the two sub pipe joints which are away from each other form a pipeline interface respectively.

The beneficial effects of the above technical scheme are that: the pressure relief capacity is good, and if the pressure corresponding to the feeding port exceeds a safety range, the two sub pipe sections can stretch to be separated from each other, so that the pressure relief is realized, the safe operation of the whole multi-channel high-pressure feeding pipe set is ensured, and the normal feeding of the multi-channel high-pressure feeding pipe set and the feeding port is not influenced.

In order to achieve the above object, another technical solution of the present invention is as follows: a multi-channel high-pressure feeding system comprises a plurality of plunger pumps and a multi-channel high-pressure feeding pipe group, wherein the plunger pumps correspond to a plurality of feeding holes one by one, and the pump outlet of each plunger pump is connected and communicated with the corresponding feeding hole.

The beneficial effects of the above technical scheme are that: the multi-channel high-pressure feeding system is simple in structure, and can be used for feeding by other plunger pumps when part of the plunger pumps are maintained, so that the whole multi-channel high-pressure feeding system is stable in operation, and continuous feeding can be realized.

Drawings

FIG. 1 is a schematic structural view of a multi-way high-pressure feed pipe group according to embodiment 1 of the present invention;

FIG. 2 is another schematic view of the multi-channel high-pressure feeding pipe set according to embodiment 1 of the present invention;

FIG. 3 is a schematic view of the structure of the non-return assembly in the forward flow of the material in embodiment 1 of the present invention;

FIG. 4 is a schematic view of the structure of the non-return assembly of embodiment 1 of the present invention during reverse flow of the materials;

FIG. 5 is a schematic structural view of the telescopic pipe joint in embodiment 1 of the present invention;

fig. 6 is a state diagram of the connection between the telescopic pipe joint and the non-return assembly in embodiment 1 of the present invention;

fig. 7 is a schematic structural diagram of a multi-way high-pressure feed pipe group according to embodiment 2 of the present invention;

fig. 8 is a schematic structural diagram of a multi-channel high-pressure feeding system according to embodiment 3 of the present invention.

In the figure: the device comprises a 1 multi-channel high-pressure feeding pipe group, a 11 hard feeding pipe group, a 111 hard feeding main pipe, a 112 hard branch pipe, a 12 non-return component, a 121 valve shell, a 1211 first interface, a 1212 second interface, a 122 non-return block, a 123 supporting block, a 13 telescopic pipe joint, a 131 sub-pipe joint and a 2 plunger pump.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1, the present embodiment provides a multi-channel high-pressure feeding pipe assembly, which includes a hard feeding pipe assembly 11, the hard feeding pipe assembly 11 has a discharge port and a plurality of feed ports, each feed port is provided with a check assembly 12, the check assembly 12 is used to avoid material backflow at the corresponding feed port, so that a plurality of feed ports can simultaneously feed materials to increase the feeding pressure at the discharge port, and each feed port is provided with a check assembly, so that when any one or any plurality (not all) of feed ports stop feeding, the feeding pressure of the remaining feed ports that normally feed materials is not affected, and the materials are not discharged outside through the feed port that stops feeding.

As shown in fig. 2, preferably, the technical solution further includes a plurality of telescopic pipe joints 13, the plurality of telescopic pipe joints 13 correspond to the plurality of feed inlets one to one, and each telescopic pipe joint 13 is disposed at the corresponding feed inlet, and is configured to provide a pressure relief telescopic allowance for the corresponding feed inlet, so that if the feed pressure is too large at any feed inlet, for safety, the pressure relief can be realized by extending the telescopic pipe joint disposed at the feed inlet.

As shown in fig. 3 and 4, in the above technical solution, the backstop assembly 12 includes a valve housing 121, a backstop block 122 and a plurality of support blocks 123, two interfaces which are distributed oppositely and communicated with the interior of the valve housing 121 are provided on the valve housing 121, the two interfaces are a first interface 1211 and a second interface 1212 respectively, the backstop block 122 and the plurality of support blocks 123 are all disposed in the valve housing 121, and the plurality of support blocks 123 are arranged around the edge of the second interface 1212 at intervals;

when the material in the valve housing 121 positively flows toward the second port 1212 along the first port 1211 (or the pressure at the first port is greater than the pressure at the second port), the non-return block 122 is driven by the material to move to abut against the supporting blocks 123, and the material is discharged to the second port 1212 through the gaps between the supporting blocks 123;

when the material in the valve housing 121 reversely flows toward the first interface 1211 along the second interface 1212 (the pressure at the second interface is greater than the pressure at the first interface), the non-return block 122 is driven by the material to move to be close to the first interface 1211 and close the first interface 1211. The non-return component can refer to a structure similar to that disclosed in the utility model patent document with the document number of CN 212273156U "a paste pipeline non-return valve", and therefore, is not described herein again. Preferably, the backstop block 122 is in a sphere shape, and has a simple structure and is more stable.

As shown in fig. 5, in the above technical solution, the telescopic pipe joint 13 includes two sub-pipe joints 131 that are straight pipe-shaped and are distributed at intervals, and one of the sub-pipe joints 131 extends into the other sub-pipe joint 131 is close to one end thereof, and is in sealed sliding contact with each other, two of the sub-pipe joints 131 can slide to be away from each other to extend or be close to each other to shorten, two of the sub-pipe joints 131 are away from each other, and one end of each of the two sub-pipe joints 131 that is away from each other forms a pipe joint, and the pressure relief capability is good, and if the pressure at the corresponding feed inlet exceeds a safety range, the two sub-pipe joints can extend to be separated from each other, so as to implement pressure relief and ensure safe operation of the whole multi-path high-pressure feed pipe group, and normal feeding of the multi-path high-pressure feed pipe group is not affected. The telescopic pipe section can be similar to the structure disclosed in the utility model patent with the reference number CN211010362U "a high-pressure pipeline compensator", and therefore, the details are not repeated herein.

As shown in fig. 6, the non-return assembly and the telescopic pipe section corresponding to each feed inlet can be connected together, and the first interface of the non-return assembly is connected and communicated with one pipeline interface of the corresponding telescopic pipe section.

The telescopic pipe joint can also buffer the vibration of the hard feeding pipe group 11, so that the vibration of the whole hard feeding pipe group 11 is reduced.

Example 2

The difference from embodiment 1 is that, as shown in fig. 7, in the above technical solution, the hard feed pipe group 11 includes a hard feed main pipe 111 and a plurality of hard branch pipes 112, one end of the hard feed main pipe 111 is respectively communicated with one end of the plurality of hard branch pipes 112, each hard branch pipe 112 is used for conveying a material to the hard feed main pipe 111, the other end of each hard branch pipe 112 respectively forms a feed port of the hard feed pipe group 11, the other end of the hard feed main pipe 111 forms a discharge port of the hard feed pipe group 11, and each hard branch pipe 112 is respectively provided with one non-return assembly 12 and one telescopic pipe joint 13, so that the plurality of hard branch pipes directly converge to the hard feed main pipe, and the number of branch nodes is small, and the stability is good.

In the above technical scheme, the pipe diameter of the hard branch pipe 112 is smaller than that of the hard feeding main pipe 111, so that when a plurality of feeding ports feed simultaneously, the discharging port can adapt to the corresponding material flow, and the ultrahigh pressure at the discharging port is avoided.

Example 3

As shown in fig. 8, the present embodiment provides a multi-channel high-pressure feeding system, which includes a plurality of plunger pumps 2 and a multi-channel high-pressure feeding pipe assembly 1 as described in embodiment 1 or embodiment 2, wherein the plunger pumps 2 correspond to a plurality of feed inlets one-to-one, and the pump outlet of each plunger pump 2 is connected and communicated with the corresponding feed inlet.

Preferably, the number of the hard branch pipes 112 is 2-4, the device can converge the outlets of at least two plunger pumps in the hard feeding main pipe, and can effectively reduce the pulse vibration of the plunger pumps from being transmitted to the hard feeding main pipe, thereby ensuring the connection and sealing reliability of the hard feeding main pipe, and facilitating replacement of wearing parts and maintenance and management.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The multi-channel high-pressure feeding pipe group is characterized by comprising a hard feeding pipe group (11), wherein the hard feeding pipe group (11) is provided with a discharge hole and a plurality of feed inlets, each feed inlet is provided with a non-return component (12), and the non-return components (12) are used for avoiding material backflow at the corresponding feed inlets.

2. The multi-channel high-pressure feed pipe group according to claim 1, further comprising a plurality of telescopic pipe sections (13), wherein the plurality of telescopic pipe sections (13) correspond to the plurality of feed ports in a one-to-one manner, and each telescopic pipe section (13) is arranged at the corresponding feed port and is used for providing a pressure relief telescopic allowance for the corresponding feed port.

3. The multi-channel high-pressure feeding pipe group according to claim 2, wherein the hard feeding pipe group (11) comprises a hard feeding main pipe (111) and a plurality of hard branch pipes (112), one end of the hard feeding main pipe (111) is respectively communicated with one end of the plurality of hard branch pipes (112), each hard branch pipe (112) is used for conveying materials to the hard feeding main pipe (111), the other end of each hard branch pipe (112) respectively forms a feeding hole of the hard feeding pipe group (11), the other end of the hard feeding main pipe (111) forms a discharging hole of the hard feeding pipe group (11), and each hard branch pipe (112) is respectively provided with one non-return assembly (12) and one telescopic pipe joint (13).

4. The bank of multipass high-pressure feed pipes of claim 3, wherein the hard branch pipes (112) have a pipe diameter smaller than that of the hard main feed pipe (111).

5. The multi-way high-pressure feed pipe group according to any one of claims 1 to 4, wherein the non-return assembly (12) comprises a valve housing (121), a non-return block (122) and a plurality of support blocks (123), the valve housing (121) is provided with two oppositely distributed ports communicated with the interior of the valve housing, the two ports are respectively a first port (1211) and a second port (1212), the non-return block (122) and the plurality of support blocks (123) are arranged in the valve housing (121), and the plurality of support blocks (123) are arranged around the edge of the second port (1212) at intervals;

when the materials in the valve casing (121) flow forward along the first interface (1211) to the second interface (1212), the non-return block (122) is driven by the materials to move to abut against the supporting blocks (123), and the materials are discharged to the second interface (1212) through gaps among the supporting blocks (123);

when the material in the valve casing (121) reversely flows to the first interface (1211) along the second interface (1212), the non-return block (122) is driven by the material to move to be close to the first interface (1211) and close the first interface (1211).

6. The multi-pass high pressure feed line set of claim 5, wherein the non-return block (122) is spherical.

7. The group of multichannel high-pressure supply pipes according to any of claims 2 to 4, characterized in that the telescopic pipe joint (13) comprises two sub-pipe joints (131) which are in a straight pipe shape and are distributed at intervals, and one end of one of the sub-pipe joints (131) extends into one end of the other sub-pipe joint (131) close to the other sub-pipe joint and is in sealed sliding contact with each other, the two sub-pipe joints (131) can slide to be far away from each other to be elongated or to be close to each other to be shortened, and the ends of the two sub-pipe joints (131) far away from each other respectively form a pipe joint.

8. A multi-channel high-pressure feeding system, characterized in that, it comprises a plurality of plunger pumps (2) and a multi-channel high-pressure feeding pipe group (1) as claimed in any one of claims 1 to 7, a plurality of said plunger pumps (2) and a plurality of feeding ports are in one-to-one correspondence, and the pump outlet of each said plunger pump (2) is connected and communicated with the corresponding said feeding port.