CN115076502A

CN115076502A - Inner container type water hammer eliminating tank

Info

Publication number: CN115076502A
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: 2022-09-20
Anticipated expiration: 2042-03-31
Also published as: CN115076502B

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 periphery of 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, a gap is formed between the periphery of the liner and the inner ring of the tank body, the feed pipe and the seepage pipe are respectively communicated with the gap, 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, so that the mouth part of the inner container is not easy to damage after being used for a long time, the inner container type water hammer eliminating tank is not influenced by the pressure of a system, is convenient to install and maintain, can be installed and maintained only by manpower without using large-scale installation equipment, and simultaneously, 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 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 a liner type water hammer eliminating tank.

Background

The liner type water hammer eliminating tank is generally made of polyurethane or rubber because a liner made of flexible materials is arranged in the tank, the pressure-bearing requirement of a system on the liner is not high, so the pressure-bearing capacity of the liner is not strong, when the liner is arranged in the tank body, the water pressure and the air pressure in the tank are in a balanced state, so the liner is not in pressure-bearing state, but at the position where the liner is connected with the tank body, the liner is in local pressure-bearing state, at the moment, the local position of the liner is used as a sealing element of a connecting flange, the liner bears high pressure, and as the liner position of the sealing element of the connecting flange, the liner not only bears the high water pressure, but also bears the strong pretightening force of the connecting flange, when the internal high pressure (nominal pressure PN40, PN63, PN100 and above) is generated in the water hammer eliminating tank in the prior art, the flange position of the rubber liner cannot bear, and the liner can be broken down by the high pressure; when the telescopic joint or the short pipe of which the lower part is tightly pressed on the inner container needs to be disassembled for replacement and maintenance, the telescopic joint or the short pipe has the weight of hundreds of kilograms due to large caliber and high pressure, and the lower part of the tank body is limited and inconvenient in operation space. Or the lifting equipment is used for lifting the whole water hammer eliminating tank, the cost is increased, and the maintenance time is long, so that a structure for avoiding the problem is needed to be designed.

Disclosure of Invention

In view of this, the present invention is directed to a liner type water hammer eliminating tank, so as to solve the problem that the connection portion between the liner and the connecting flange is very easily damaged due to the unreasonable installation structure of the liner in the water hammer eliminating tank of the prior art.

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

the inner container type water hammer eliminating tank comprises a tank body and an inner container arranged inside the tank body, wherein the periphery of the tank body is fixedly installed on the basis, the tank body is respectively provided with an access hole cover, a feeding pipe, a safety valve and a seepage pipe, a material space is formed in an inner ring of the inner container, a gap is formed between the periphery of the inner container and the inner ring of the tank body, an air inlet pipe and the seepage pipe are respectively communicated to the gap, the feeding pipe is communicated to the material space, the safety valve balances the medium pressure of the material space, the inner container is located inside the tank body, the outer edge of a feed inlet of the inner container is fixedly connected to the inner side wall of the tank body through a sealing device, and the medium pressure in the material space is used for compensating the sealing between the inner container and the sealing device.

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

Further, the one end fixed connection of inlet pipe is equipped with the mounting hole to flange's one end on the jar body, and flange's peripheral fixed mounting is equipped with the feed inlet to the mounting hole in to the mounting hole on the inner bag, and flange's periphery is through sealing device sealing connection to feed inlet.

Further, sealing device includes first flange, first clamping ring and tie bolt, connect the flange in through first flange fixed connection to mounting hole, 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, the first bolt hole of first flange lateral wall radial equipartition, the second bolt hole of first clamping ring lateral wall radial equipartition, tie bolt's one end is passed first bolt hole in proper order, inner bag lateral wall and second bolt hole are used for fixing the relative position of first flange, inner bag and first clamping ring.

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

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

Furthermore, the lateral 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 inner container 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 positioned in the tank body, so that the mouth part of the inner container is not easy to damage after being used for a long time, the inner container type water hammer eliminating tank is not influenced by the pressure of a system, is convenient to install and maintain, can be installed and maintained only by manpower without using large-scale installation equipment, and simultaneously, 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 second flange and the second pressing ring of the built-in installation structure of the inner container are both provided with the sealing ring grooves to improve the sealing performance of the connecting part of the inner container and the tank body, the structure of the inner container 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 structure is simplified due to the inner container, so that the inner container is simpler to manufacture, higher in local reliability and simple to install, maintain and replace, and the inner container can be easily replaced under the condition that the tank body is not moved on line.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

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

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

fig. 3 is a schematic structural view of a liner-type water hammer removing tank according to a second embodiment of the present invention;

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

Description of reference numerals:

1-tank body; 101-a support plate; 2-a base; 21-positioning screw rod; 3-feeding pipe; 4-covering the access hole; 5-safety valve; 6-seepage pipe; 8-inner container; 9-an air inlet pipe; 10-a connection flange; 11-a first flange; 12-a first clamping ring; 13-a tension bolt; 14-a second flange; 15-a second clamping ring; 16-a compression screw; 17-slope surface ring.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, 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 relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 through specific situations.

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

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 inside the tank body, wherein the periphery of the tank body 1 is fixedly installed on a foundation 2, an access hole cover 4, a feeding pipe 3, a safety valve 5 and a seepage pipe 6 are respectively arranged on the tank body 1, a material space is arranged on the inner ring of the inner container 8, a gap is arranged between 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 gap, the feeding pipe 3 is communicated with the material space, the safety valve 5 balances the medium pressure of the material space, when the tank body is damaged due to abnormal high pressure in the tank body 1, the gas is released to avoid destructive pressure, 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 pre-buried 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 feeding pipe 3 is fixedly connected to one end of the connecting flange 10, the tank body 1 is provided with a mounting hole, the periphery of the connecting flange 10 is fixedly mounted in the mounting hole, the inner container 8 is provided with a feeding hole, the periphery of the connecting flange 10 is hermetically connected to the feeding hole through a sealing device, the body of the inner container 8 is completely positioned in the tank body 1, the outer edge of the feeding hole of the inner container 8 is fixedly connected to the inner side wall of the tank body 1 through the sealing device, and 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 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 damage in long-term use and is not influenced by the pressure of the system, enlarges the pressure application range of the water hammer eliminating tank, promotes the practicability of the inner container 8 type water hammer eliminating tank, and has convenient installation and high reliability.

As shown in fig. 1 and 2, a first embodiment of the installation method of the liner 8 type water hammer elimination tank of the present invention is an external installation structure, wherein the sealing device comprises a first flange 11, a first pressing ring 12 and a tie bolt 13, a connecting flange 10 is fixedly connected in 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 liner 8, the first pressing ring 12 is positioned in the tank body 1, one end of the first pressing ring 12 is attached to the inner ring of the liner 8, the first flange 11, the feed inlet and the first pressing ring 12 are concentrically arranged, the first bolting holes are uniformly distributed on the side wall of the first flange 11 along the radial direction, the second bolting holes are uniformly distributed on the side wall of the first pressing ring 12 along the radial direction, one end of the tie bolt 13 sequentially passes through the first bolting holes, the side wall of the liner 8 and the second bolting holes for fixing the relative positions of the first flange 11, the liner 8 and the first pressing ring 12, the external arrangement of the liner 8 simplifies the liner 8 structure, make 8 preparation of inner bag simpler, 8 local reliability of inner bag is higher simultaneously, and installation, maintenance, change inner bag 8 are simple, can realize easily changing inner bag 8 under the condition of the motionless jar of body 1 on line.

As shown in figures 3 and 4, the second embodiment of the installation mode of the liner 8 type water hammer removal tank of the invention is a built-in installation 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 installation hole through a 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 liner 8, the annular curled edge and the liner 8 are of an integral structure, a U-shaped annular groove is arranged on the periphery of the annular curled edge, the 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 the inner walls of two sides of the U-shaped structure, the upper end of the connecting flange 10 is attached to the annular curled edge, third bolting holes are uniformly distributed on the side wall of the second flange 14 along the radial direction, fourth bolting holes are uniformly distributed on the side wall of the second pressing ring 15 along the radial direction, and one end of the compression screw 16 sequentially passes through the fourth bolting holes, The side wall of the inner container 8 and the third bolting hole are used for fixing the relative positions of the second flange 14, the inner container 8 and the second pressing ring 15, and as shown in fig. 4, the third bolting hole is a blind hole, which ensures the sealing of the part.

In connection with the above two embodiments, the way in which the medium pressure in the material space is used to compensate the sealing between the liner 8, the sealing device and the can body 1 is as follows: as shown in fig. 2 and 4, the medium pressure in the liner 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 not changed, so that the acting force of the first pressing ring 12 or the second pressing ring 15 is transmitted to the connection position of the feed inlet of the liner 8, the tight fit between the first pressing ring 12 or the second pressing ring 15 and the liner 8 and the tank body 1 is ensured, and the partial pressure changes along with the pressure change of the medium, the sealing of the partial pressure is ensured, and the problems that the edge of the liner is extruded and deformed, the inlet rubber of the liner is damaged when the feeding pressure or the instantaneous pressure is too high, and the maintenance inconvenience of 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 liner 8, the slope ring 17 is used for bearing the outer surface of the liner 8, the liner 8 is in slope contact with the outer edge of the second flange 14, the liner 8 is prevented from being cut by the outer edge of the second flange 14, a first sealing ring groove is sequentially arranged on the side wall of the upper end of the second flange 14 from inside to outside, a second sealing ring groove is sequentially arranged at the lower end of the second pressing ring 15 from inside to outside, the built-in mounting structure of the liner 8 is provided with the sealing ring grooves on the second flange 14 and the second pressing ring 15, so that the sealing performance of the connection part of the liner 8 and the tank body 1 is improved, meanwhile, the structure of the liner 8 is simplified, the liner 8 is simpler to manufacture, and the local reliability of the liner 8 is higher.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a jar is eliminated to inner bag formula water hammer, includes a jar body (1) and inner bag (8), and jar body (1) peripheral fixed mounting to basis (2) on, set up access hole respectively on jar body (1) and cover (4), inlet pipe (3), relief valve (5) and seepage flow pipe (6), its characterized in that: the inner container (8) is provided with a material space, a gap is formed 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 communicated to the gap respectively, the inlet pipe (3) is communicated to the material space, the safety valve (5) is used for balancing the medium pressure of the material space, the inner container (8) is located inside the tank body (1), the outer edge of a feed inlet of the inner container (8) is fixedly connected to the inner side wall of the tank body (1) through a sealing device, and the medium pressure in the material space is used for compensating the sealing between the inner container (8) and the tank body (1).

2. The tank for eliminating water hammer of inner container type according to claim 1, wherein: the foundation (2) is a cement pouring body arranged on the ground, a 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 a support plate (101).

3. The tank of claim 1, wherein: one end fixed connection of inlet pipe (3) is equipped with the mounting hole on the one end of flange (10) on jar body (1), and in the peripheral fixed connection of flange (10) was equipped with the feed inlet on inner bag (8) in the mounting hole, the periphery of flange (10) was through sealing device sealing connection to feed inlet.

4. The tank for eliminating water hammer of inner container type according to claim 1, wherein: sealing device includes first flange (11), first clamping ring (12) and tie bolt (13), flange (10) are through in first flange (11) fixed connection to mounting hole, the upper end lateral wall laminating of first flange (11) is to inner bag (8) outer lane, first clamping ring (12) are located inner bag (8) inside, the one end laminating of first clamping ring (12) is to inner bag (8) inner circle, first flange (11), feed inlet and first clamping ring (12) all set up with one heart, first flange (11) lateral wall is along the first bolt hole of radial equipartition, first clamping ring (12) lateral wall is along the second bolt hole of radial equipartition, the one end of tie bolt (13) passes first bolt hole in proper order, inner bag (8) lateral wall and second bolt hole are used for fixing first flange (11), the relative position of inner bag (8) and first clamping ring (12).

5. The tank for eliminating water hammer of inner container type according to claim 1, wherein: sealing device includes second flange (14), second clamping ring (15) and housing screw (16), flange (10) are through first flange (11) fixed connection to the mounting hole in, second clamping ring (15) are located jar body (1) inside, set up annular turn-up in the feed inlet of inner bag (8), annular turn-up and inner bag (8) are a body structure, and the periphery of annular turn-up is equipped with U type annular, the inner circle laminating of second clamping ring (15) extremely U type structure bottom, the both sides of second clamping ring (15) contact respectively connect to the both sides inner wall of U type structure, the upper end laminating of flange (10) is to annular turn-up, second flange (14) lateral wall radially equipartition third bolt hole, second clamping ring (15) lateral wall radially equipartition fourth bolt hole, the one end of housing screw (16) passes fourth bolt hole, inner bag (8) lateral wall and third bolt hole in proper order and is used for fixing second flange (14), The relative position of the inner container (8) and the second pressing ring (15).

6. The tank for eliminating water hammer of inner container type according to claim 5, wherein: 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) is in contact with the periphery of the inner container (8).

7. The tank for eliminating water hammer of inner container type according to claim 5, 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.