CN115076502B

CN115076502B - Inner container type water hammer eliminating tank

Info

Publication number: CN115076502B
Application number: CN202210332544.2A
Authority: CN
Inventors: 王学攀; 刘娜; 王天彪
Original assignee: Bensv Valve Stock Co ltd
Current assignee: Bensv Valve Stock Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2023-04-21
Anticipated expiration: 2042-03-31
Also published as: CN115076502A

Abstract

The invention provides a liner type water hammer eliminating tank which comprises a tank body and a liner arranged in the tank body, wherein the tank body is fixedly arranged on a foundation, an access hole cover, a feed pipe, a safety valve and a seepage pipe are respectively arranged on the tank body, a material space is arranged on the inner ring of the liner, gaps are formed between the periphery of the liner and the inner ring of the tank body, an air inlet pipe and the seepage pipe are respectively communicated with the gaps, and the feed pipe is communicated with the material space. According to the inner container type water hammer eliminating tank, the inner container body is completely arranged in the tank body, the opening of the inner container is not easy to damage when the inner container is used for a long time, the inner container is not influenced by the pressure of a system, the inner container is convenient to install and overhaul, large-scale installation equipment is not required to be used, the inner container can be installed and overhauled only by manpower, meanwhile, the pressure of a medium in the inner container is converted into the pressing force for connecting the inner container and the tank body, the sealing performance of the inner container is improved, the service life of the inner container is prolonged, and the reliability is high.

Description

Inner container type water hammer eliminating tank

Technical Field

The invention belongs to the field of water hammer eliminating tanks, and particularly relates to an inner container type water hammer eliminating tank.

Background

The inner container type water hammer eliminating tank is characterized in that an inner container made of flexible materials is arranged in the inner container type water hammer eliminating tank, polyurethane or rubber materials are generally adopted, the pressure bearing requirement of a system on the inner container is low, so that the inner container is not strong in pressure bearing capacity, when the inner container is arranged in the tank body, the water pressure and the air pressure in the tank are in a balanced state, the inner container is not pressure bearing, but the part, connected with the tank body, of the inner container is locally pressure bearing, at the moment, the local position of the inner container is used as a sealing element of a connecting flange, at the moment, the inner container is subjected to high pressure, and the inner container part used as the sealing element of the connecting flange is subjected to high pressure bearing, and is also subjected to strong pretightening force of the connecting flange, and when the inner high pressure (nominal pressures PN40, PN63 and PN100 and above) of the water hammer eliminating tank in the prior art is not subjected to the bearing of the flange position of the rubber inner container, and can be broken down by the high pressure; when the telescopic joint or the short pipe of the lower compression liner is required to be disassembled for replacement and maintenance, the caliber is large, the pressure is high, the telescopic joint or the short pipe weighs hundreds of kilograms, and the operation space is limited below the tank body, so that the telescopic joint or the short pipe is inconvenient. Or the whole water hammer eliminating tank is lifted by using the lifting equipment, so that the cost is increased and the maintenance time is long, and therefore, a structure for avoiding the problem is needed to be designed.

Disclosure of Invention

In view of the above, the present invention aims to provide a liner type water hammer eliminating tank, so as to solve the problem that the connection part between the liner and the connecting flange is extremely damaged due to the unreasonable installation structure of the liner in the prior art.

In order to achieve the above purpose, the technical scheme of the invention is realized as follows:

the utility model provides a jar is eliminated to inner bag formula water hammer, includes the jar body and the inner bag that inside set up thereof, and jar external fixed mounting is to the basis on, sets up the access hole on the jar body respectively and covers, inlet pipe, relief valve and seepage flow pipe, and the inner bag inner circle is equipped with the material space, and the inner bag periphery is equipped with the gap with jar internal circle, and inlet pipe, seepage flow pipe communicate respectively to the gap, the inlet pipe communicates to the material space, the relief valve is balanced the medium pressure in material space, the inner bag is located jar internal portion, and the feed inlet outer fringe of inner bag is through sealing device fixed connection to the inside wall of jar body, just medium pressure in the material space is used for compensating the seal between inner bag and the sealing device.

Furthermore, the foundation is a cement pouring body arranged on the ground, the positioning screw rod is embedded in the foundation, and the periphery of the tank body is fixedly connected to the positioning screw rod through the support plate.

Further, one end of the feeding pipe is fixedly connected to one end of the connecting flange, a mounting hole is formed in the tank body, the periphery of the connecting flange is fixedly mounted in the mounting hole, a feeding hole is formed in the inner container, and the periphery of the connecting flange is connected to the feeding hole in a sealing mode through a sealing device.

Further, sealing device includes first flange, first clamping ring and tie bolt, flange passes through first flange fixed connection to the mounting hole in, the upper end lateral wall laminating of first flange is to the inner bag outer lane, first clamping ring is located jar internal portion, the one end laminating of first clamping ring is to the inner bag inner circle, first flange, feed inlet and first clamping ring all set up with one heart, first flange lateral wall is along radial equipartition first bolt hole, first clamping ring lateral wall is along radial equipartition second bolt hole, tie bolt's one end is used for fixed first flange in proper order, inner bag lateral wall and second bolt hole, the relative position of first clamping ring.

Further, sealing device includes second flange, second clamping ring and hold-down screw, and flange passes through first flange fixed connection to the mounting hole in, and first clamping ring is located the jar internal portion, sets up annular turn-up in the feed inlet of inner bag, and annular turn-up and inner bag are the integral structure, and the periphery of annular turn-up is equipped with U type annular, the inner circle laminating of second clamping ring extremely U type structure bottom, the both sides of second clamping ring contact respectively be connected to the both sides inner wall of U type structure, the upper end laminating of flange is to annular turn-up, and the third bolt hole of radial equipartition is followed to the second flange lateral wall, and the fourth bolt hole of radial equipartition is followed to the second clamping ring lateral wall, and the one end of hold-down screw is used for fixing the relative position of second flange, inner bag and second clamping ring through fourth bolt hole, inner bag lateral wall and third bolt hole in proper order.

Further, the periphery of the second pressing ring is fixedly sleeved with a slope surface ring, the outer ring of the slope surface ring is fixedly connected to the inner wall of the tank body, and the upper end of the slope surface ring is in contact with the periphery of the inner container.

Further, the side wall of the upper end of the second flange is sequentially provided with a first sealing ring groove from inside to outside, and the lower end of the second pressing ring is sequentially provided with a second sealing ring groove from inside to outside.

Compared with the prior art, the liner type water hammer eliminating tank has the following beneficial effects:

(1) According to the inner container type water hammer eliminating tank, the inner container body is completely arranged in the tank body, the opening of the inner container is not easy to damage when the inner container is used for a long time, the inner container is not influenced by the pressure of a system, the inner container is convenient to install and overhaul, large-scale installation equipment is not required to be used, the inner container can be installed and overhauled only by manpower, meanwhile, the pressure of a medium in the inner container is converted into the pressing force for connecting the inner container and the tank body, so that the sealing performance is improved, the service life of the inner container is prolonged, and the reliability is high.

(2) According to the inner container type water hammer eliminating tank, the built-in mounting structure of the inner container is provided with the sealing ring grooves on the second flange and the second pressing ring, so that the sealing performance of the connecting part of the inner container and the tank body is improved, meanwhile, the inner container structure is simplified, the inner container is simpler to manufacture, and meanwhile, the local reliability of the inner container is higher.

(3) According to the inner container type water hammer eliminating tank, the inner container is arranged in the inner container, so that the inner container is simpler to manufacture, meanwhile, the inner container is higher in local reliability, and the inner container is easy to install, overhaul and replace, so that the inner container can be easily replaced under the condition of not moving the tank body on line.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of a first embodiment of a liner-type water hammer eliminating tank according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic diagram of a second embodiment of a liner-type water hammer eliminating tank according to an embodiment of the present invention;

fig. 4 is a partial enlarged view of B in fig. 3.

Reference numerals illustrate:

1-a tank body; 101-supporting plates; 2-foundation; 21-positioning a screw; 3-feeding pipe; 4-covering an overhaul port; 5-a safety valve; 6-seepage pipe; 8-an inner container; 9, an air inlet pipe; 10-connecting flanges; 11-a first flange; 12-a first clamping ring; 13-tightening bolts; 14-a second flange; 15-a second clamping ring; 16-a compression screw; 17-ramp ring.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

The invention will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 and 3, an inner container type water hammer eliminating tank comprises a tank body 1 and an inner container 8 arranged in the tank body, wherein the periphery of the tank body 1 is fixedly arranged on a foundation 2, an access hole cover 4, a feed pipe 3, a safety valve 5 and a seepage pipe 6 are respectively arranged on the tank body 1, a material space is arranged in the inner ring of the inner container 8, gaps are arranged on the periphery of the inner container 8 and the inner ring of the tank body 1, an air inlet pipe 9 and the seepage pipe 6 are respectively communicated with the gaps, the feed pipe 3 is communicated with the material space, the safety valve 5 balances the medium pressure of the material space, when abnormal high pressure occurs in the water tank body 1, the tank body is possibly damaged, gas is released, destructive pressure is avoided, the safety of the tank body 1 is protected, the foundation 2 is a cement pouring body arranged on the ground, a positioning screw 21 is embedded in the foundation 2, the periphery of the tank body 1 is fixedly connected to the positioning screw 21 through a support plate 101, one end of the feed pipe 3 is fixedly connected to one end of the connecting flange 10, a mounting hole is arranged on the tank body 1, the periphery of the connecting flange 10 is fixedly arranged in the mounting hole, a feed inlet is arranged on the inner container 8, the periphery of the connecting flange 10 is hermetically connected to the feed inlet through a sealing device, the body of the inner container 8 is completely positioned inside the tank body 1, the outer edge of the feed inlet of the inner container 8 is fixedly connected to the inner side wall of the tank body 1 through the sealing device, the medium pressure in the material space is used for compensating the sealing between the inner container 8 and the sealing device, the bolting mode of the inner container 8 positioned in the tank body 1 solves the bearing problem of the inner container 8, ensures that the interface of the inner container 8 is not easy to be damaged when being used for a long time, is not influenced by the pressure of the system, expands the pressure application range of the water hammer eliminating tank, improves the practicability of the water hammer eliminating tank of the inner container 8, and is convenient to install, the reliability is high.

As shown in fig. 1 and 2, the first embodiment of the inner container 8 water hammer eliminating tank according to the present invention is an external installation structure, wherein the sealing device includes a first flange 11, a first clamping ring 12 and a tightening bolt 13, the connecting flange 10 is fixedly connected to the installation hole through the first flange 11, the upper end side wall of the first flange 11 is attached to the outer ring of the inner container 8, the first clamping ring 12 is located inside the tank 1, one end of the first clamping ring 12 is attached to the inner ring of the inner container 8, the first flange 11, the feeding port and the first clamping ring 12 are all concentrically arranged, the side wall of the first flange 11 is uniformly provided with first bolting holes along the radial direction, the side wall of the first clamping ring 12 is uniformly provided with second bolting holes along the radial direction, one end of the tightening bolt 13 sequentially passes through the first bolting holes, the side wall of the inner container 8 and the second bolting holes for fixing the relative positions of the first flange 11, the inner container 8 and the first clamping ring 12, and the outer arrangement of the inner container 8 simplifies the inner container 8, and the inner container 8 is simpler in manufacturing the inner container 8, meanwhile, the reliability of the inner container 8 is higher, the inner container 8 is installed more reliably, the inner container 8 is easy to replace, and the inner container 8 is easy to replace in a maintenance condition of the inner container 8, and the inner container 8 is easy to be replaced.

The second embodiment of the inner container 8 type water hammer eliminating tank according to the invention is shown in fig. 3 and 4 and is a built-in mounting structure, wherein the sealing device comprises a second flange 14, a second pressing ring 15 and a compression screw 16, the connecting flange 10 is fixedly connected into the mounting hole through the first flange 11, the first pressing ring 12 is positioned in the tank body 1, an annular curled edge is arranged in a feed inlet of the inner container 8, the annular curled edge and the inner container 8 are of an integral structure, a U-shaped annular groove is arranged at the periphery of the annular curled edge, an inner ring of the second pressing ring 15 is attached to the bottom of the U-shaped structure, two sides of the second pressing ring 15 are respectively contacted and connected to two inner walls of the U-shaped structure, the upper end of the connecting flange 10 is attached to the annular curled edge, a third bolting hole is uniformly distributed on the side wall of the second flange 14 in the radial direction, a fourth bolting hole is uniformly distributed on the side wall of the second pressing ring 15, one end of the compression screw 16 sequentially passes through the fourth bolting hole, the side wall of the inner container 8 and the third bolting hole to fix the relative positions of the second flange 14, the inner container 8 and the second ring 15, and the second pressing ring 15, and the sealing part is ensured by the third bolting hole as shown in fig. 4.

As described in connection with the two embodiments above, the medium pressure in the material space is used to compensate for the sealing between the inner container 8, the sealing means and the tank 1 in such a way that: as shown in fig. 2 and 4, the medium pressure in the inner container 8 acts on the first pressing ring 12 or the second pressing ring 15, and the relative position of the side wall of the tank body 1 is unchanged, so that the acting force of the first pressing ring 12 or the second pressing ring 15 is transmitted to the connecting position of the feed inlet of the inner container 8, the tight fitting of the first pressing ring 12 or the second pressing ring 15 with the inner container 8 and the tank body 1 is ensured, the partial pressure changes along with the pressure change of the medium, the sealing of the partial pressure is ensured, the problem that the prior art locks a connecting bolt due to excessively pursuing the sealing of the connecting position, the edge of the inner container is extruded and deformed, the inlet rubber of the inner container is damaged at too large feed pressure or instantaneous pressure, and the problem of inconvenient maintenance in the prior art is avoided.

The periphery of the second pressing ring 15 is fixedly sleeved with a slope ring 17, the outer ring of the slope ring 17 is fixedly connected to the inner wall of the tank body 1, the upper end of the slope ring 17 is in contact with the periphery of the inner container 8, the slope ring 17 is used for bearing the outer surface of the inner container 8, the inner container 8 is in slope contact with the outer edge of the second flange 14, the inner container 8 is prevented from being cut by the outer edge of the second flange 14, the side wall of the upper end of the second flange 14 is sequentially provided with a first sealing ring groove from inside to outside, the lower end of the second pressing ring 15 is sequentially provided with a second sealing ring groove from inside to outside, the built-in mounting structure of the inner container 8 is provided with sealing ring grooves on the second flange 14 and the second pressing ring 15 to improve the sealing performance of the connecting part of the inner container 8 and the tank body 1, and meanwhile, the inner container 8 structure is simplified, so that the inner container 8 is simpler to manufacture, and meanwhile, the local reliability of the inner container 8 is higher.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. The utility model provides a jar is eliminated to inner bag formula water hammer, includes jar body (1) and inner bag (8), and jar body (1) peripheral fixed mounting is on basis (2), sets up access hole cover (4), inlet pipe (3), relief valve (5) and seepage flow pipe (6) on jar body (1) respectively, its characterized in that: the inner container (8) is completely positioned inside the tank body (1), the inner container (8) is provided with a material space, a gap is arranged between the periphery of the inner container (8) and the inner ring of the tank body (1), the air inlet pipe (9) and the seepage pipe (6) are respectively communicated to the gap, the feeding pipe (3) is communicated to the material space, the safety valve (5) is used for balancing the medium pressure in the material space, the outer edge of the feeding port of the inner container (8) is fixedly connected to the inner side wall of the tank body (1) through a sealing device, the medium pressure in the material space is used for compensating the sealing between the inner container (8) and the tank body (1), the sealing device comprises a second flange (14), a second pressing ring (15) and a pressing screw (16), the connecting flange (10) is fixedly connected to the mounting hole through the first flange (11), the second pressing ring (15) is completely positioned inside the tank body (1), the feeding port of the inner container (8) is internally provided with an annular curled edge, the periphery of the annular curled edge is integrally structured, the annular curled edge is provided with a U-shaped curled edge, the second pressing ring (15) is attached to the inner side wall of the annular groove (14) along the radial direction of the second flange (14), the second pressing ring is attached to the second flange (15) and the second flange is attached to the second ring groove (the second flange (14) along the radial side wall, the second flange is attached to the second ring groove (the second flange (15) and the second ring groove is attached to the second ring groove (15), one end of a compression screw (16) sequentially penetrates through the fourth bolting hole, the side wall of the inner container (8) and the third bolting hole to fix the relative positions of the second flange (14), the inner container (8) and the second pressing ring (15), the periphery of the second pressing ring (15) is fixedly sleeved with a slope ring (17), the outer ring of the slope ring (17) is fixedly connected to the inner wall of the tank body (1), and the upper end of the slope ring (17) contacts the periphery of the inner container (8).

2. A liner-type water hammer elimination tank according to claim 1, wherein: the foundation (2) is a cement pouring body arranged on the ground, the positioning screw rod (21) is embedded in the foundation (2), and the periphery of the tank body (1) is fixedly connected to the positioning screw rod (21) through the support plate (101).

3. A liner-type water hammer elimination tank according to claim 1, wherein: one end of the feed pipe (3) is fixedly connected to one end of the connecting flange (10), a mounting hole is formed in the tank body (1), the periphery of the connecting flange (10) is fixedly connected into the mounting hole, a feed inlet is formed in the inner container (8), and the periphery of the connecting flange (10) is connected to the feed inlet in a sealing mode through a sealing device.

4. A liner-type water hammer elimination tank according to claim 1, wherein: the side wall of the upper end of the second flange (14) is sequentially provided with a first sealing ring groove from inside to outside, and the lower end of the second pressing ring (15) is sequentially provided with a second sealing ring groove from inside to outside.