CN217582254U

CN217582254U - High-pressure heater supported by spring clamping

Info

Publication number: CN217582254U
Application number: CN202221828155.0U
Authority: CN
Inventors: 宋暖
Original assignee: Qingli Boiler Aux Y Machine Co
Current assignee: Qingli Boiler Aux Y Machine Co
Priority date: 2021-12-20
Filing date: 2022-07-15
Publication date: 2022-10-14
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to a high pressure feed water heater technical field, specifically speaking relates to a high pressure feed water heater that spring centre gripping formula was supported, including the heater main part, heater main part both ends set up the holder of symmetry, holder lower extreme and bottom plate fixed connection, the bottom plate lower extreme sets up damper assembly, damper assembly includes first shock attenuation piece, the second shock attenuation piece, first shock attenuation piece is located bottom plate both sides and symmetry setting with the second shock attenuation piece, first shock attenuation piece passes through the fourth spring with the second shock attenuation piece and links to each other, first shock attenuation piece is unanimous with second shock attenuation piece structure, the inside attenuator that is equipped with of fourth spring, the one end of attenuator links to each other with first shock attenuation piece, the other end and the second shock attenuation piece of attenuator link to each other. The utility model discloses, when alleviating rocking of heater main part because of vibrations produce through the holder, the lower extreme damper of being convenient for utilizes damper to improve the stability of heater main part, prolongs the life-span of heater main part to the support of heater.

Description

High-pressure heater that spring centre gripping formula supported

Technical Field

The utility model relates to a high pressure feed water heater technical field, specifically speaking relates to a high pressure feed water heater that spring centre gripping formula supported.

Background

The high-pressure heater is a device for heating feed water by utilizing partial exhaust of a steam turbine, is used as a heat conversion device and is mainly applied to a heat regenerative system of a large thermal power generating unit, and the quality of the heat transfer performance of the high-pressure heater directly influences the economy and the safety of the unit, so that the heat transfer efficiency of the high-pressure heater is improved, the irreversible loss in the heat transfer process is reduced, and one of important measures for solving the problem of efficient energy utilization is provided.

When a large amount of high-temperature and high-pressure feed water flows into the water side of the high-pressure heater in the use process of the high-pressure heater, air cannot be discharged in time, so that the high-pressure heater is impacted by a water hammer to generate vibration, and the damage to the high-pressure heater can be aggravated; in addition, when high-temperature and high-pressure steam flows outside the pipe, the pipe bundle is transversely and longitudinally scoured, vibration of the high-pressure heater is generated and aggravated, the phenomenon that the high-pressure heater leaks due to vibration is very common, and the existing support equipment of the heater has no function of slowing down vibration and cannot protect the heater, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure feed water heater that spring centre gripping formula supported to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a high pressure feed water heater that spring centre gripping formula supported, including the heater main part, heater main part both ends set up the holder of symmetry, holder lower extreme and bottom plate fixed connection, the bottom plate lower extreme sets up damper, damper includes first bumper piece, second bumper piece, first bumper piece with the second bumper piece is located bottom plate both sides and symmetry set up, first bumper piece with the second bumper piece passes through the fourth spring and links to each other, first bumper piece with second bumper piece structure is unanimous, the inside attenuator that is equipped with of fourth spring, the one end of attenuator with first bumper piece links to each other, the other end of attenuator with the second bumper piece links to each other.

As a further improvement of the technical scheme, the clamping piece comprises an inner ring, the inner ring is fixedly arranged on the heater main body, a plurality of first springs are arranged on the outer side of the inner ring, and the end parts of the first springs are fixedly connected with the outer sleeve.

As a further improvement of the technical scheme, the first damping member is provided with a first pillar, one end of the first pillar is hinged to the lower end of the bottom plate, the other end of the first pillar is hinged to one end of a second pillar, the other end of the second pillar is fixedly connected with a sliding block, and the sliding block slides in a sliding groove formed in the upper surface of the base.

As a further improvement of the technical scheme, the sliding block is fixedly connected with one end of a second spring, and the other end of the second spring is fixedly connected with the inner wall of the sliding groove.

As a further improvement of the technical scheme, a supporting piece is arranged at the upper end of the base, and the end part of the supporting piece is fixedly connected with the bottom plate.

As a further improvement of the technical scheme, the support piece is provided with an outer barrel, the inner part of the outer barrel is of a hollow structure, a third spring is fixedly arranged at the bottom end in the outer barrel, and the end part of the third spring is fixedly connected with the support column.

As a further improvement of the technical scheme, the supporting column is matched with the outer cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

among this high pressure feed water heater that spring-holding formula supported, through the overcoat, first spring, the inner circle carries out the centre gripping to the heater main part, firmly fix the heater, when alleviating rocking of heater main part because of vibrations production, the lower extreme shock-absorbing component of being convenient for supports the heater, when the heater main part shakes, the third spring is extruded by the support column, take the support column to shrink into the urceolus in, alleviate the dynamics of vibrations, and simultaneously, first support extrudees the fourth spring inwards, the second support takes the slider to extrude the second spring, reach absorbing effect through the combination of fourth spring and attenuator, the stability of heater main part is improved, the life-span of extension heater main part.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is an exploded view of a holder structure according to embodiment 1 of the present invention;

FIG. 3 is a schematic structural view of a shock-absorbing assembly according to embodiment 1 of the present invention;

fig. 4 is a cross-sectional view of the support member structure according to embodiment 1 of the present invention.

The various reference numbers in the figures mean:

1. a heater main body; 2. a clamping member; 21. a jacket; 22. a first spring; 23. an inner ring; 3. a base plate; 4. a shock absorbing assembly; 41. a first damper; 411. a first support; 412. a second support; 413. a slider; 414. a second spring; 415. a chute; 416. a support member; 4161. an outer cylinder; 4162. a third spring; 4163. a support pillar; 417. a base; 42. a second damping member; 5. a fourth spring; 51. a damper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 to 4, the present embodiment provides a spring clamping type supported high pressure heater, including a heater main body 1, in order to strongly support the heater main body 1, two ends of the heater main body 1 are provided with symmetrical clamping members 2, the clamping members 2 are used to facilitate connection of a lower end structure, which can play a role in stabilizing the heater main body 1, and at the same time, the clamping members 2 can stabilize shaking of the heater main body 1 caused by vibration, so as to prevent the heater main body 1 from shaking violently, the lower end of the clamping members 2 is fixedly connected with a bottom plate 3, the bottom plate 3 is of an arc structure, and can be better attached to the heater main body 1, and opened, which facilitates connection of upper and lower end mechanisms, in order to alleviate vibration generated by the heater main body 1, the lower end of the bottom plate 3 is provided with a damping assembly 4, the damping assembly 4 includes a first damping member 41 and a second damping member 42, the first damping member 41 and the second damping member 42 are located at two sides of the bottom plate 3 and are symmetrically arranged, which are more stable, the first damping member 41 is connected with the second damping member 42 through a fourth damping member 5, the first damping member 41 is connected with the second damping member 42, and when the fourth damping member 5 is matched with the fourth damping member 5, and when the fourth damping member 51, the fourth damping member is matched with the second damping member, and the fourth damping member, which can be used to reduce the in-situ extrusion effect.

In this embodiment, when the heater body 1 vibrates and begins to shake, the clamping member 2 clamps and fixes the heater body 1, and at the same time, the clamping member 2 can relieve a part of the vibration to prevent the heater body 1 from shaking violently, and at the same time, the first damping member 41 and the second damping member 42 at the lower end of the bottom plate 3 also relieve the vibration to protect the heater body 1,

in order to support the heater main body 1, the clamping piece 2 comprises an inner ring 23, the inner ring 23 is fixedly arranged on the heater main body 1, a plurality of first springs 22 are arranged on the outer side of the inner ring 23, the end parts of the first springs 22 are fixedly connected with the outer sleeve 21, the heater main body 1 is fixed through the inner ring 23, the inner ring 23 can transmit vibration to the first springs 22, the outer sleeve 21 is driven by the first springs 22 to shake, the vibration is relieved, meanwhile, the outer sleeve 21 shakes and transmits the vibration to the bottom plate 3, the bottom plate 3 transmits the vibration damping component 4 to the heater main body 1, and the outer sleeve 21 simultaneously protects the shell of the heater main body 1 and enhances the stability.

In order to reduce the vibration, the first damping member 41 is provided with a first pillar 411, one end of the first pillar 411 is hinged to the lower end of the bottom plate 3, the other end of the first pillar 411 is hinged to one end of a second pillar 412, the other end of the second pillar 412 is fixedly connected to a sliding block 413, the sliding block 413 slides in a sliding groove 415 formed in the upper surface of a base 417, when the bottom plate 3 descends due to gravity, the two symmetrical first pillars 411 inwardly extrude a fourth spring 5, and the two second pillars 412 drive the sliding block 413 to slide in the sliding groove 415, so that the heater body 1 integrally descends to perform damping operation.

The sliding block 413 is fixedly connected with one end of the second spring 414, the other end of the second spring 414 is fixedly connected with the inner wall of the sliding groove 415, the sliding block 413 extrudes the second spring 414 inwards, the sliding block 413 is pushed outwards by the resilience of the second spring 414, the sliding block 413 drives the second support 412 to return to the original position, and the vibration is relieved through sequential circulation.

In order to stably support the heater body 1, a support member 416 is disposed at the upper end of the base 417, the end of the support member 416 is fixedly connected to the bottom plate 3, and the heater body 1 is supported by the support member 416, thereby improving the stability of the operation of the heater body 1.

Furthermore, the supporting piece 416 is provided with an outer cylinder 4161, the inside of the outer cylinder 4161 is of a hollow structure, a third spring 4162 is fixedly arranged at the bottom end of the inside of the outer cylinder 4161, the end part of the third spring 4162 is fixedly connected with a supporting column 4163, the supporting column 4163 fixedly connected with the base plate 3 is utilized to press the third spring 4162 in the outer cylinder 4161 downwards when being stressed, the height of the whole body is finely adjusted, and the cushioning effect is enhanced.

Furthermore, the supporting column 4163 is matched with the outer barrel 4161, so that the supporting column 4163 can be retracted into the outer barrel 4161, and the structural integrity is guaranteed.

The utility model discloses a high pressure feed water heater for spring centre gripping formula is when specifically using, heater main part 1 is at the during operation, receive vibrations back on bottom plate 3, vibrations can be given for inner circle 23, inner circle 23 transmits for first spring 22, first spring 22 takes overcoat 21 to rock, protect whole, prevent that heater main part 1 from acutely rocking, overcoat 21 transmits vibrations for bottom plate 3, bottom plate 3 transmits the vibration transmission for support column 4163, support column 4163 moves down under the effect of vibrations, extrude third spring 4162 downwards, simultaneously first pillar 411 extrudees fourth spring 5 inwards, second pillar 412 takes slider 413 to slide in spout 415 and extrudees second spring 414 when moving down, this moment, heater main part 1 height fine setting, because the elastic reaction, second spring 414 kick-backs, slider 413 takes second pillar 412 to get back to original position, fourth spring 5 and attenuator 51 cooperation consume the vibrations that subtract heater main part 1 and produce, take first pillar 411 to get back to original position simultaneously, third spring 4163 pushes up support column 4163 upwards, heater main part 1 height returns to the original position, the work of shock attenuation circulates in proper order.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high pressure heater that spring clamp formula supported, includes heater main part (1), its characterized in that: the heater body (1) both ends set up holder (2) of symmetry, holder (2) lower extreme and bottom plate (3) fixed connection, bottom plate (3) lower extreme sets up damper (4), damper (4) include first damper (41), second damper (42), first damper (41) with second damper (42) are located bottom plate (3) both sides and symmetry set up, first damper (41) with second damper (42) link to each other through fourth spring (5), first damper (41) with second damper (42) structure is unanimous, fourth spring (5) inside is equipped with attenuator (51), the one end of attenuator (51) with first damper (41) link to each other, the other end of attenuator (51) with second damper (42) link to each other.

2. The spring-grip supported high pressure heater of claim 1, wherein: the clamping piece (2) comprises an inner ring (23), the inner ring (23) is fixedly arranged on the heater main body (1), a plurality of first springs (22) are arranged on the outer side of the inner ring (23), and the end portions of the first springs (22) are fixedly connected with the outer sleeve (21).

3. The spring-grip supported high pressure heater of claim 2, wherein: first bumper shock absorber (41) are equipped with first pillar (411), first pillar (411) one end with bottom plate (3) lower extreme is articulated, first pillar (411) other end and second pillar (412) one end are articulated, the second pillar (412) other end and slider (413) fixed connection, slider (413) slide in spout (415) that base (417) upper surface was seted up.

4. A spring-grip supported high pressure heater as claimed in claim 3, wherein: the slider (413) is fixedly connected with one end of a second spring (414), and the other end of the second spring (414) is fixedly connected with the inner wall of the sliding groove (415).

5. The spring-grip supported high pressure heater of claim 4, wherein: the upper end of the base (417) is provided with a supporting piece (416), and the end part of the supporting piece (416) is fixedly connected with the bottom plate (3).

6. The spring-grip supported high pressure heater of claim 5, wherein: the supporting piece (416) is provided with an outer barrel (4161), the inner portion of the outer barrel (4161) is of a hollow structure, a third spring (4162) is fixedly arranged at the bottom end of the inner portion of the outer barrel (4161), and the end portion of the third spring (4162) is fixedly connected with a supporting column (4163).

7. The spring-grip supported high pressure heater of claim 6, wherein: the supporting column (4163) is matched with the outer barrel (4161).