CN219934335U

CN219934335U - Evaporator fixing device

Info

Publication number: CN219934335U
Application number: CN202321174869.9U
Authority: CN
Inventors: 张思; 于浩; 毕振军; 王铮
Original assignee: China First Heavy Industries Co Ltd; CFHI Dalian Engineering and Technology Co Ltd
Current assignee: China First Heavy Industries Co Ltd; CFHI Dalian Engineering and Technology Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-31
Anticipated expiration: 2033-05-16

Abstract

The utility model provides an evaporator fixing device, which relates to the technical field of evaporator installation and comprises an upper circumferential connecting component, an upper circumferential fixing component and a lower circumferential fixing component, wherein two ends of the upper circumferential connecting component are respectively connected to lifting lugs of two adjacent evaporators, the upper circumferential fixing component is arranged in an included angle of the upper parts of the two adjacent evaporators, and the lower circumferential fixing component is arranged in an included angle of the lower parts of the two adjacent evaporators. According to the utility model, the upper circumferential connecting assembly, the upper circumferential fixing assembly and the lower circumferential fixing assembly are arranged, so that the adjacent two evaporators are limited in the circumferential direction of the cylinder, the evaporators are prevented from shaking due to the action of external force in the transportation and hoisting processes, the influence on a sealing weld between the evaporators and the cylinder is reduced, and the stability of the connection between the evaporators and the cylinder is improved.

Description

Evaporator fixing device

Technical Field

The utility model relates to the technical field of evaporator installation, in particular to an evaporator fixing device.

Background

The evaporator is an important part in four refrigeration parts, and low-temperature condensed liquid exchanges heat with the outside air through the evaporator, so that the air is gasified and absorbed, and the refrigeration effect is achieved. The common reactor pressure vessel evaporator is of a 7-shaped structure, the upper parts of a plurality of groups of evaporators are welded in a side wall hole of a cylinder assembly of the reactor pressure vessel through seal welding, a supporting ring is arranged in an inner hole of the cylinder to support the evaporators, the supporting ring and the evaporators are supported through springs, and a conical surface is arranged below the supporting ring. In the hoisting and sea transportation processes, the evaporator shakes under the action of external force to influence the sealing weld joint, so that the stability of the integral structure of the reactor pressure vessel is influenced.

Disclosure of Invention

The utility model aims to solve the problem of improving the stability of the connection between the evaporator and the cylinder of the reactor pressure vessel.

Therefore, the utility model provides an evaporator fixing device, wherein a plurality of evaporators are arranged in an annular mode in a cylinder body of a reactor pressure vessel, the side walls of two adjacent evaporators form two included angles with opposite tips at the joint of the two adjacent evaporators, the evaporator fixing device comprises an upper circumferential connecting assembly, an upper circumferential fixing assembly and a lower circumferential fixing assembly, the upper circumferential connecting assembly is connected with the upper circumferential fixing assembly, two ends of the upper circumferential connecting assembly are respectively connected to lifting lugs of the two adjacent evaporators, the upper circumferential fixing assembly is arranged in the included angle of the upper parts of the two adjacent evaporators and is connected with the two adjacent evaporators, and the lower circumferential fixing assembly is arranged in the included angle of the lower parts of the two adjacent evaporators and is connected with the two adjacent evaporators.

Optionally, the upper portion circumference fixed subassembly includes two sharp end interconnect's first V type nylon piece, two first V type nylon piece sets up two adjacent the upper portion of evaporimeter just is located two relative contained angles respectively, the both sides face of first V type nylon piece is connected with two adjacent evaporimeters respectively.

Optionally, the lower part circumference fixed subassembly includes two tip interconnect's second V type nylon piece, two the second V type nylon piece sets up two adjacent the lower part of evaporimeter just is located two relative contained angles respectively, the both sides face of second V type nylon piece (51) is connected with two adjacent evaporimeters respectively.

Optionally, the upper portion circumference coupling assembling includes the reinforcing plate, the reinforcing plate both sides are equipped with the recess respectively, the recess is used for the block on the lug.

Optionally, the evaporator fixing device further comprises a frame and an upper compression screw with adjustable length, the frame is a hollow cylinder, the lower end of the frame is used for being connected with the supporting ring, the evaporator is arranged between the cylinder and the frame, a round upper platform is arranged on the upper side of the frame, the peripheral side surface of the upper platform is used for being connected with the inner wall of the cylinder, the upper end of the upper compression screw penetrates through the upper platform and is connected with the upper platform (31), and the lower end of the upper compression screw is used for being in butt joint with the evaporator.

Optionally, the upper portion equipartition of upper platform week side surface is equipped with the radial jackscrew of upper portion of adjustable length, the lower part equipartition of frame week side surface is equipped with the radial jackscrew of lower part of adjustable length, upper portion radial jackscrew with the radial jackscrew of lower part all is used for with barrel inner wall butt.

Optionally, the evaporator fixing device further comprises a lower axial supporting structure with adjustable height, wherein the side surface of the lower axial supporting structure is connected to the lower part of the peripheral side outer surface of the frame, and the upper surface of the lower axial supporting structure is abutted with the lower end of the evaporator.

Optionally, the evaporator fixture further comprises a lower radial support structure of adjustable width, connected to a lower portion of the frame, the lower radial support structure having sides abutting a surface of the evaporator facing the frame.

Optionally, the evaporator fixture further comprises a lower horizontal support rod, one end of the lower horizontal support rod being connected to the lower axial support structure, and the other end of the lower horizontal support rod being connected to the lower radial support structure.

Optionally, the evaporator fixing device further comprises a lower fixing structure, the lower fixing structure comprises a first wedge block and a first screw rod, one end of the first screw rod is in threaded connection with the lower surface of the frame, the other end of the first screw rod is connected with the first wedge block, and an inclined plane of the first wedge block is used for being in butt joint with the conical surface of the cylinder body.

Compared with the prior art, the evaporator fixing device has the beneficial effects that:

the multiple evaporators are arranged in an annular mode in the cylinder of the reactor, two opposite included angles are formed by the adjacent side walls of the two adjacent evaporators at the joint of the two adjacent evaporators, and the evaporators are welded in the cylinder through seal welding. Through arranging multiunit evaporimeter ring form, there are two relative contained angles in the junction of two adjacent evaporimeters, set up upper portion circumference coupling assembling, upper portion circumference coupling assembling and lower part circumference coupling assembling, upper portion circumference coupling assembling links together with upper portion circumference coupling assembling, wherein upper portion circumference coupling assembling sets up in the contained angle on two adjacent evaporimeters upper portions, the both sides of upper portion circumference coupling assembling respectively with the lateral wall butt of two adjacent evaporimeters, play spacing effect to two adjacent evaporimeters in the circumference of barrel, upper portion circumference coupling assembling's both ends are connected respectively on the lug of two adjacent evaporimeters, fix upper portion circumference coupling assembling in the axial of barrel, further strengthen the spacing effect of upper portion circumference coupling assembling to two adjacent evaporimeters, prevent that the evaporimeter from producing rocking because of external force effect between transportation and hoist and mount in-process, reduce the influence to sealing weld between evaporimeter and the barrel, promote the stability that the evaporimeter is connected with the barrel, correspondingly, lower part circumference coupling assembling sets up in the lateral wall butt of two adjacent evaporimeters lower part circumference respectively with the lateral wall butt of two adjacent evaporimeters, the both sides of lower part circumference coupling assembling respectively with two adjacent evaporimeters plays spacing effect to the evaporation heap, the lift the effect of two adjacent evaporimeter, the side wall is to the sealed with the barrel is avoided the barrel to the evaporation heap in the effect of hoist and the lift the effect of the barrel.

Drawings

FIG. 1 is a schematic view of an evaporator fixing device according to an embodiment of the utility model;

FIG. 2 is an enlarged view of the portion I of FIG. 1;

FIG. 3 is an enlarged view of the area II in FIG. 1;

FIG. 4 is a schematic view of an upper circumferential connection assembly and an upper circumferential fixation assembly according to an embodiment of the present utility model;

FIG. 5 is a second schematic view of an upper circumferential connection assembly and an upper circumferential fixing assembly according to an embodiment of the present utility model;

FIG. 6 is a third schematic view of an upper circumferential connection assembly and an upper circumferential fixation assembly according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a lower circumferential securing assembly according to an embodiment of the present utility model;

FIG. 8 is a schematic view of a frame according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a lower axial support structure according to an embodiment of the present utility model;

FIG. 10 is a schematic view of a lower radial support structure according to an embodiment of the present utility model;

FIG. 11 is a schematic view of a lower fixing structure according to an embodiment of the present utility model;

fig. 12 is a schematic structural view of a guide ring and a guide structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1-a cylinder; 11-a support ring; 12-conical surface; 2-an evaporator; 21-lifting lugs; 3-a frame; 31-upper platform; 32-a lower platform; 33-lower jack; 41-a first V-shaped nylon block; 42-reinforcing plates; 5-a lower circumferential securing assembly; 51-a second V-shaped nylon block; 61-upper compression screw; 62-upper radial jackscrews; 63-lower radial jackscrews; 64-a lower axial support structure; 65-lower radial support structure; 66-lower horizontal support bars; 67-lower fixation structure; 671-a first wedge; 672—a first screw; 68-a guide ring; 69-guiding structure; 7-protecting cover; 8-hanging basket; 9-included angle.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

It should be noted that, in the description of the present disclosure, the directions or positional relationships indicated by "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner" and "outer", etc. are used based on the directions or positional relationships shown in the drawings, only for convenience of describing the present disclosure, and are not intended to indicate or imply that the apparatus referred to must have a specific direction, be configured and manipulated in a specific direction, and therefore should not be construed as limiting the scope of protection of the present disclosure.

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 implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Moreover, although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present utility model. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present utility model as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways not otherwise described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.

In order to solve the above problems, as shown in fig. 1 and 3 to 5, the present utility model provides a plurality of evaporators 2 arranged in a ring shape in a cylinder 1 of a reactor pressure vessel, wherein the side walls of two adjacent evaporators 2 enclose two angles 9 with opposite tips at the connection of two adjacent evaporators 2, the evaporator fixing device comprises an upper circumferential connecting component, an upper circumferential fixing component and a lower circumferential fixing component 5, the upper circumferential connecting component is connected with the upper circumferential fixing component, two ends of the upper circumferential connecting component are respectively connected with lifting lugs 21 of two adjacent evaporators 2, the upper circumferential fixing component is arranged in the angle 9 of the upper parts of two adjacent evaporators 2 and is connected with the two adjacent evaporators 2, and the lower circumferential fixing component is arranged in the angle 9 of the lower parts of two adjacent evaporators 2 and is connected with the two adjacent evaporators 2.

In this embodiment, the plurality of evaporators 2 are arranged in an annular arrangement in the cylinder 1 of the reactor pressure reactor, and adjacent side walls of two adjacent evaporators 2 enclose two angles 9 with opposite tips at the joint of the two adjacent evaporators 2, and it should be noted that the evaporators 2 are welded in the cylinder 1 by seal welding, gaps exist at the joint of the two adjacent evaporators 2, and the angles 9 enclosed by the side walls of the two adjacent evaporators 2 at the joint of the two adjacent evaporators 2 are not angles in a strict sense, but angles with gaps at the tips. Through arranging multiunit evaporimeter 2 annular, there are two relative contained angles 9 in the junction of two adjacent evaporimeters 2, set up upper portion circumference coupling assembling, upper portion circumference coupling assembling and lower part circumference coupling assembling 5, upper portion circumference coupling assembling links together with upper portion circumference coupling assembling, wherein upper portion circumference coupling assembling sets up in the contained angle 9 on two adjacent evaporimeters 2 upper portions, the both sides of upper portion circumference coupling assembling respectively with the lateral wall butt of two adjacent evaporimeters 2, play spacing effect to two adjacent evaporimeters 2 in the circumference of barrel 1, upper portion circumference coupling assembling's both ends are connected respectively on the lug 21 of two adjacent evaporimeters 2, the spacing effect to upper portion circumference coupling assembling in the axial of barrel 1, further strengthen upper portion circumference coupling assembling and to two adjacent evaporimeters 2, prevent that evaporimeter 2 from producing rocking because of the exogenic action in transportation and hoist and mount in-process, reduce the influence to sealing weld's between evaporimeter 2 and the barrel 1, promote the stability that evaporimeter 2 and barrel 1 are connected, correspondingly, lower portion coupling assembling 5 sets up at two adjacent evaporimeters 2 lateral walls of two adjacent evaporimeters 2 and two adjacent evaporimeters 2, the opposite side wall of two adjacent circumference coupling assembling 2 and the side wall of two adjacent evaporimeters 2 are in the hoist and seal joint 2, the effect of two adjacent evaporimeter 1, the side wall 2 is contacted with the side-up in the axial direction of the barrel 1 is avoided.

Specifically, upper circumferential connecting components, upper circumferential fixing components and lower circumferential fixing components 5 are arranged between any two adjacent evaporators 2, and support and fix a plurality of groups of evaporators 2, so that the stability of connection between the evaporators 2 and the cylinder 1 of the reactor pressure vessel is improved, and the upper circumferential connecting components and the upper circumferential fixing components can be connected through long screws.

Alternatively, as shown in fig. 3 to 6, the upper circumferential fixing assembly includes two first V-shaped nylon blocks 41 with tips connected to each other, the two first V-shaped nylon blocks 41 are disposed on upper portions of two adjacent evaporators 2 and are respectively located in two opposite included angles 9, and two side surfaces of the first V-shaped nylon blocks 41 are respectively connected to two adjacent evaporators 2.

In this embodiment, through setting up upper portion circumference fixed subassembly into two first V type nylon piece 41, the most advanced accessible screw connection of two first V type nylon pieces 41, two first V type nylon pieces 41 set up respectively in two relative contained angles 9 on two adjacent evaporimeters 2 upper portions, two side butt of contained angle 9 is formed respectively with two adjacent evaporimeters 2 to two sides of first V type nylon piece 41, first V type nylon piece 41 plays the supporting role to two adjacent evaporimeters 2, carry out spacingly to evaporimeter 2 in the axial of barrel 1, prevent that evaporimeter 2 from producing because of external force effect and rocking, reduce the influence to the sealed welding seam between evaporimeter 2 and the barrel 1, promote the stability that evaporimeter 2 and barrel 1 are connected, and all be equipped with first V type nylon piece 41 in two relative contained angles 9 on two adjacent evaporimeters 2 upper portions, carry out spacing in the adjacent both sides of evaporimeter 2, promote spacing effect, use nylon material, can not cause the damage to evaporimeter 2 at the spacing effect.

Optionally, as shown in fig. 2 and 7, the lower circumferential fixing assembly 5 includes two second V-shaped nylon blocks 51 with mutually connected tips, the two second V-shaped nylon blocks 51 are disposed at lower portions of two adjacent evaporators 2 and are respectively located in two opposite included angles 9, and two side surfaces of the second V-shaped nylon blocks 51 are respectively connected with the two adjacent evaporators 2.

In this embodiment, through setting up lower part circumference fixed subassembly 5 into two second V type nylon piece 51, the most advanced accessible screw connection of two second V type nylon pieces 51, two second V type nylon pieces 51 set up respectively in two relative contained angle 9 of two adjacent evaporimeter 2 lower parts, two side butt of contained angle 9 is formed respectively with two adjacent evaporimeter 2 to two sides of second V type nylon piece 51, second V type nylon piece 51 plays the supporting role to two adjacent evaporimeter 2, carry out spacingly to evaporimeter 2 in the circumference of barrel 1, prevent that evaporimeter 2 from producing because of external force effect and rocking, reduce the influence to the sealed welding seam between evaporimeter 2 and the barrel 1, promote the stability that evaporimeter 2 and barrel 1 are connected, and all be equipped with second V type nylon piece 51 in two relative contained angle 9 of two adjacent evaporimeter 2 lower parts, carry out spacing in the adjacent both sides face evaporimeter 2 of evaporimeter 2, the spacing effect has been promoted, use nylon material, can not cause the damage to evaporimeter 2 at the spacing effect.

Alternatively, as shown in fig. 1, 3 and 6, the upper circumferential connection assembly includes a reinforcing plate 42, grooves are respectively formed on two sides of the reinforcing plate 42, the grooves are used for being clamped on the lifting lugs 21, the edges of the lifting lugs 21 connected with the grooves are oblique edges, and the oblique edges play a supporting role on the reinforcing plate 42.

In this embodiment, by providing the reinforcing plate 42, grooves are respectively provided on both sides of the reinforcing plate 42, and the grooves facilitate the clamping of the reinforcing plate 42 on the lifting lugs 21 of two adjacent evaporators 2.

Specifically, the nylon plate can be further arranged below the reinforcing plate 42, and the reinforcing plate 42 is connected with the lifting lug 21 through the nylon plate, so that damage to the lifting lug 21 is avoided.

Optionally, as shown in fig. 1, 3 and 8, the evaporator fixing device further includes a frame 3 and an upper compression screw 61 with adjustable length, the frame 3 is a hollow cylinder, the lower end of the frame 3 is used for being connected with the supporting ring 11, the evaporator 2 is used for being arranged between the cylinder 1 and the frame 3, a circular upper platform 31 is arranged on the upper side of the frame 3, the peripheral surface of the upper platform 31 is used for being connected with the inner wall of the cylinder 1, the upper end of the upper compression screw 61 penetrates through the upper platform 31 and is connected with the upper platform 31, and the lower end of the upper compression screw 61 is used for being abutted with the evaporator 2.

In this embodiment, through setting up frame 3, frame 3 is the frame 3 that the top was equipped with upper platform 31, frame 3 is hollow cylinder, upper platform 31 is circular, frame 3 lower extreme and the supporting ring 11 of barrel 1 are connected, the week side surface of upper platform 31 is connected with the inner wall of barrel 1, be convenient for fix frame 3 itself, multiunit evaporator 2 sets up between frame 3 and barrel 1 around the week side surface of frame 3, frame 3 plays the supporting role to evaporator 2, be equipped with the screw hole that is used for upper compression screw 61 to run through on the upper platform 31, the screw hole that upper compression screw 61's upper end was worn to locate on above-mentioned upper platform 31 links together with upper platform 31, the lower extreme and the evaporator 2 butt of upper compression screw 61 screw, the length of upper compression screw 61 screw is adjustable, the length of adjusting screw, be convenient for support fixed to evaporator 2 in the axial of barrel 1, prevent evaporator 2 in transportation and hoist and mount in-process because of the exogenic action produces, reduce the influence to the sealed weld between evaporator 2 and the barrel 1, promote the stability that evaporator 2 and barrel 1 are connected.

Specifically, the upper compression screws 61 are plural groups, the number of the upper compression screws 61 corresponds to the number of the evaporators 2 one by one, and the frame 3 is composed of H-steel.

Specifically, as shown in fig. 1 and 12, the fixing device for the evaporator further includes a guide ring 68, a guide structure 69 and a protection cover 7, the frame 3 needs to be placed into the cylinder 1 through hoisting, the guide ring 68 can be of nylon framework, before the frame 3 is hoisted into the cylinder 1, the guide ring 68 is mounted at the supporting ring 11 of the cylinder 1 in advance and used for guiding the frame 3 when being hoisted into the cylinder 1, damage to the cylinder 1 is prevented from the frame 3, the guide structure 69 includes a universal wheel and a universal wheel fixing seat, the universal wheel and the universal wheel fixing seat are connected to the frame 3, the guide structure 69 is matched with the guide block for use, the frame 3 is guided in the falling process of the frame 3, the protection cover 7 can be of nylon material, and the protection cover 7 is mounted at the outer side of the evaporator 2 and used for preventing damage to the evaporator 2 in the falling process of the frame 3 to the supporting ring 11 of the component of the cylinder 1.

Optionally, as shown in fig. 1 and fig. 3, upper radial jackscrews 62 with adjustable length are uniformly distributed on the upper part of the peripheral outer surface of the upper platform 31, lower radial jackscrews 63 with adjustable length are uniformly distributed on the lower part of the peripheral outer surface of the frame 3, and the upper radial jackscrews 62 and the lower radial jackscrews 63 are both used for abutting against the inner wall of the cylinder 1.

In this embodiment, the upper radial jackscrews 62 are uniformly distributed on the outer surface of the circumferential side of the upper platform 31, the other ends of the upper radial jackscrews 62 are abutted against the inner wall of the cylinder 1, the upper radial jackscrews 62 can be in a bolt structure, the length of the upper radial jackscrews 62 is adjusted by rotating bolts, so that the cylinder 1 and the frame 3 are supported in the radial direction of the cylinder 1, the frame 3 is fixed, correspondingly, the lower radial jackscrews 63 are uniformly distributed on the lower circumferential surface of the frame 3, the lower radial jackscrews 63 can be in a bolt structure, and the length of the lower radial jackscrews 63 is adjusted by rotating bolts, so that the cylinder 1 and the frame 3 are supported in the radial direction of the cylinder 1, and the frame 3 is fixed.

Specifically, as shown in fig. 8, the lower end of the frame 3 is provided with a lower platform 32, the upper surface of the lower platform 32 is vertically provided with a lower wire frame 33, and a lower radial wire 63 may be connected to the lower wire frame 33.

Specifically, the upper radial jackscrews 62 can be 16 groups, the lower radial jackscrews 63 can be 8 groups, and nylon materials are used at the contact positions of the upper radial jackscrews 62 and the lower radial jackscrews 63 and the barrel 1 assembly, so that the inner wall of the barrel 1 is prevented from being scratched.

Optionally, as shown in fig. 1, 2 and 9, the evaporator fixing device further includes a height-adjustable lower axial support structure 64, a side surface of the lower axial support structure 64 is connected to a lower portion of a peripheral outer surface of the frame 3, and an upper surface of the lower axial support structure 64 abuts against a lower end of the evaporator 2.

In this embodiment, by providing the lower axial supporting structure 64, the lower axial supporting structure 64 includes two wedge-shaped nylon blocks with two inclined surfaces connected together, the two wedge-shaped nylon blocks are connected by a screw, the relative positions of the two wedge-shaped nylon blocks can be adjusted by rotating the screw, so as to adjust the height of the lower axial supporting structure 64, the side surface of the wedge-shaped nylon block below can be connected to the lower part of the outer surface of the peripheral side of the frame 3, the upper surface of the wedge-shaped nylon block above is abutted with the evaporator 2, and the upper surface of the wedge-shaped nylon block above plays a supporting role on the evaporator 2 in the axial direction of the cylinder 1.

Specifically, the number of lower axial support structures 64 corresponds one-to-one with the number of evaporators 2.

Optionally, as shown in fig. 1, 2 and 10, the evaporator fixing device further comprises a lower radial support structure 65 with adjustable width, the lower radial support structure 65 is connected to the lower part of the frame 3, and the side surface of the lower radial support structure 65 abuts against the surface of the evaporator 2 facing the frame 3.

In this embodiment, by providing the lower radial supporting structure 65, the lower radial supporting structure 65 includes a bracket and two nylon blocks with inclined planes, the two inclined planes of the two nylon blocks with inclined planes are abutted, the two nylon blocks with inclined planes can be connected through a screw, the relative position of the two nylon blocks with inclined planes can be adjusted by rotating the screw, so as to adjust the width of the lower radial supporting structure 65, the side surface of the lower wedge-shaped nylon block can be connected to the lower part of the peripheral outer surface of the frame 3 through the bracket, and the side surface of the upper wedge-shaped nylon block is abutted with the evaporator 2, so that the evaporator 2 is supported in the radial direction of the cylinder 1.

Specifically, the number of lower radial support structures 65 corresponds one-to-one with the number of evaporators 2.

Optionally, as shown in fig. 1 and 2, the evaporator fixing device further comprises a lower horizontal support rod 66, one end of the lower horizontal support rod 66 is connected to the lower axial support structure 64, and the other end of the lower horizontal support rod 66 is connected to the lower radial support structure 65.

In the present embodiment, by providing the lower horizontal support rod 66, one end of the lower horizontal support rod 66 is connected to the lower radial support structure 65, and the other end is connected to the lower axial support structure 64, supporting the lower radial support structure 65 and the lower axial support structure 64 in the radial direction, and preventing the lower radial support structure 65 and the lower axial support structure 64 from being offset by external action.

Specifically, a lower horizontal support bar 66 is provided between any adjacent set of lower radial support structures 65 and lower axial support structures 64.

Alternatively, as shown in fig. 1, 2 and 11, the evaporator fixing device further includes a lower fixing structure 67, the lower fixing structure 67 includes a first wedge 671 and a first screw 672, one end of the first screw 672 is in threaded connection with the lower surface of the frame 3, the other end of the first screw 672 is connected with the first wedge 671, and a slope of the first wedge 671 is used for abutting against the tapered surface 12 of the cylinder 1.

In this embodiment, by providing the lower fixing structure 67, the lower fixing structure 67 includes a first wedge 671 and a first screw 672, a threaded hole corresponding to the first screw 672 is provided at the lower end of the frame 3, the first screw 672 may be threaded with the frame 3 through the threaded hole, two ends of the first screw 672 are respectively connected with the lower end of the frame 3 and the first wedge 671, an inclined plane of the first wedge 671 abuts against a tapered surface 12 of the cylinder 1, an annular boss structure is provided below the supporting ring 11 on the cylinder 1 in the circumferential direction of the inner wall of the cylinder 1, the lower surface of the annular boss structure is an inclined plane, that is, the tapered surface 12 is a tapered surface 12, a nylon material is adopted at the connection of the inclined planes of the first wedge 671, the tapered surface 12 fixes the first wedge 671, the relative position of the frame 3 and the tapered surface 12 in the axial direction can be adjusted by rotating the first screw 672, and the frame 3 is fixedly supported, and the frame 3 is prevented from moving randomly.

Specifically, as shown in fig. 1, the evaporator fixing device further includes a basket 8, the basket 8 is mounted on the frame 3, and the basket 8 is integrally a welding member for personnel mounting operation of the lower radial jackscrews 63, the lower fixing structure 67, and the lower horizontal support rods 66.

When the evaporator fixing device is installed, the upper circumferential connecting component, the upper circumferential fixing component and the lower circumferential fixing component 5 are installed among a plurality of evaporators 2; a protective cover 7 is installed again; the guide ring 68 is then mounted on the support ring 11; mounting the bracket of the lower radial supporting structure 65 on the frame 3, mounting the guide structure 69 on the frame 3, connecting the upper compression screw 61 on the lower surface of the upper plane of the frame 3, penetrating the first screw 672 of the lower fixing structure 67 into the corresponding threaded hole of the frame 3, and fixing the hanging basket 8 on the frame 3 by temporarily fixing the lower fixing structure 67 on the conical surface 12; then the frame 3 is hung into the cylinder 1 and is placed on the supporting ring 11; the frame 3 is fixed on the cylinder 1 through a lower fixing structure 67; the upper radial jackscrew 62 and the upper compression screw 61 are installed again; the guide ring 68 and the guide structure 69 are removed, the lower axial supporting structure 64 and the lower horizontal supporting rod are installed, and the evaporator 2 is tightly supported by adjusting the height of the lower axial supporting structure 64; a lower radial jackscrew 63 is arranged to support the inner wall of the cylinder 1; two beveled nylon blocks of the lower radial support structure 65 are mounted between the evaporator 2 and the brackets of the lower radial support structure 65, radially supporting the evaporator 2 against play.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims

1. The utility model provides an evaporator fixing device, a plurality of evaporator (2) are used for forming the annular in reactor pressure vessel's barrel (1) and arrange, adjacent two the lateral wall of evaporator (2) is adjacent two the junction of evaporator (2) encloses into two contained angles (9) that the point is relative, a serial communication port, evaporator fixing device includes upper portion circumference coupling assembling, upper portion circumference coupling assembling and lower part circumference coupling assembling (5), upper portion circumference coupling assembling with upper portion circumference coupling assembling is connected, upper portion circumference coupling assembling's both ends are used for connecting respectively on lug (21) of adjacent two evaporator (2), upper portion circumference coupling assembling sets up in contained angle (9) on adjacent two evaporator (2) upper portion to be connected with adjacent two evaporator (2), lower part circumference coupling assembling sets up in contained angle (9) on adjacent two evaporator (2) lower part, and is connected with adjacent two evaporator (2).

2. The evaporator fixing device according to claim 1, wherein the upper circumferential fixing assembly comprises two first V-shaped nylon blocks (41) with tips connected with each other, the two first V-shaped nylon blocks (41) are arranged at the upper parts of two adjacent evaporators (2) and are respectively positioned in two opposite included angles (9), and two side surfaces of the first V-shaped nylon blocks (41) are respectively connected with the two adjacent evaporators (2).

3. The evaporator fixing device according to claim 1, wherein the lower circumferential fixing assembly (5) comprises two second V-shaped nylon blocks (51) with mutually connected tips, the two second V-shaped nylon blocks (51) are arranged at the lower parts of two adjacent evaporators (2) and are respectively positioned in two opposite included angles (9), and two side surfaces of the second V-shaped nylon blocks (51) are respectively connected with the two adjacent evaporators (2).

4. The evaporator fixing device according to claim 1, wherein the upper circumferential connection assembly comprises a reinforcing plate (42), both sides of the reinforcing plate (42) being provided with grooves for engagement on the lifting lugs (21), respectively.

5. The evaporator fixing device according to claim 1, further comprising a frame (3) and an upper compression screw (61) with adjustable length, wherein the frame (3) is a hollow cylinder, the lower end of the frame (3) is used for being connected with a supporting ring (11), the evaporator (2) is used for being arranged between the cylinder (1) and the frame (3), a circular upper platform (31) is arranged on the upper side of the frame (3), the peripheral side surface of the upper platform (31) is used for being connected with the inner wall of the cylinder (1), the upper end of the upper compression screw (61) penetrates through the upper platform (31) and is connected with the upper platform (31), and the lower end of the upper compression screw (61) is used for being abutted with the evaporator (2).

6. The evaporator fixing device according to claim 5, wherein upper radial jackscrews (62) with adjustable length are uniformly distributed on the upper portion of the peripheral side outer surface of the upper platform (31), lower radial jackscrews (63) with adjustable length are uniformly distributed on the lower portion of the peripheral side outer surface of the frame (3), and the upper radial jackscrews (62) and the lower radial jackscrews (63) are both used for abutting against the inner wall of the cylinder (1).

7. The evaporator fixing device according to claim 5, further comprising a height-adjustable lower axial support structure (64), a side surface of the lower axial support structure (64) being connected to a lower portion of a peripheral outer surface of the frame (3), an upper surface of the lower axial support structure (64) being abutted against a lower end of the evaporator (2).

8. The evaporator fixture of claim 7 further comprising a lower radial support structure (65) of adjustable width, the lower radial support structure (65) being attached to the lower part of the frame (3), the sides of the lower radial support structure (65) abutting the surface of the evaporator (2) facing the frame (3).

9. The evaporator fixture of claim 8 further comprising a lower horizontal support rod (66), one end of the lower horizontal support rod (66) being connected to the lower axial support structure (64), the other end of the lower horizontal support rod (66) being connected to the lower radial support structure (65).

10. The evaporator fixing device according to claim 5, further comprising a lower fixing structure (67), the lower fixing structure (67) comprising a first wedge block (671) and a first screw (672), one end of the first screw (672) being screwed with a lower surface of the frame (3), the other end of the first screw (672) being connected with the first wedge block (671), an inclined surface of the first wedge block (671) being adapted to abut against a tapered surface (12) of the cylinder (1).