CN211203633U

CN211203633U - Low-temperature storage tank wall structure for anhydrous ammonia storage

Info

Publication number: CN211203633U
Application number: CN201922408647.9U
Authority: CN
Inventors: 李勇; 杨超芬; 曾志伟; 何荣强
Original assignee: Zhanjiang Kehua Meters Power Co ltd
Current assignee: Zhanjiang Kehua Meters Power Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-07
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a low temperature storage tank jar wall structure for anhydrous ammonia is deposited, including jar wall body, heat preservation and interior wall layer, jar wall body includes outer shell, heat preservation and interior wall layer, and the heat preservation is located between outer shell and the interior wall layer, the outer wall on interior wall layer is connected through elastic component and buffer board, and the inner wall of buffer board is fixed with the fixture block, outer shell includes outer frame plate, first gusset plate and second gusset plate, and first gusset plate and second gusset plate all are located the inside of outer frame plate. This a low temperature storage tank jar wall structure for anhydrous ammonia is deposited carries out redesign to the structure of current jar wall, when guaranteeing that thermal insulation performance is not influenced, has promoted the whole service life and the holistic structural strength of jar body, and structural design is more reasonable.

Description

Low-temperature storage tank wall structure for anhydrous ammonia storage

Technical Field

The utility model relates to a low temperature storage tank technical field specifically is a low temperature storage tank jar wall structure for anhydrous ammonia is deposited.

Background

The low-temperature storage tank is a tank structure, is used for depositing the storage facilities of materials such as liquefied ammonia, because materials such as anhydrous ammonia are in the low temperature state, so the low-temperature storage tank needs to have good thermal insulation performance, and current low-temperature storage tank wall is provided with three-layer composite structure more, and outer shell, the insulation material of intermediate level and the jar wall material of inlayer constitute, but current low-temperature storage tank jar wall structure has following problem when in actual use:

1. before and after the low-temperature storage tank is filled with anhydrous ammonia, the inner wall can generate stress deformation due to expansion with heat and contraction with cold, but the inner wall is tightly attached to the middle heat-insulating layer, and the heat-insulating layer can be extruded or stretched after the inner wall deforms, so that the heat-insulating performance of the low-temperature storage tank is reduced;

2. the outer layer structure of the tank wall is formed by alloy materials and concrete together, the high-strength protective effect is achieved, however, after the concrete is directly poured into the shell for a long time, the solidified concrete and the inner wall of the shell are separated, and the protective performance and the heat insulation performance are further reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low temperature storage tank wall structure for anhydrous ammonia is deposited to solve the above-mentioned background art and propose because the low temperature storage tank is before and after the anhydrous ammonia is packed into, the inner wall can be because of expend with heat and contract with cold and produce stress deformation, but inner wall and middle heat preservation are closely laminated, can lead to the heat preservation to be extruded or stretched after the inner wall deformation, lead to its thermal insulation performance to descend; the outer layer structure of jar wall comprises alloy material and concrete jointly, has played the guard action of high strength, but the concrete direct casting uses the back in the shell for a long time, can lead to taking off between the concrete that solidifies and the shell inner wall, and protective properties and thermal insulation performance can further reduce the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low temperature storage tank jar wall structure for anhydrous ammonia is deposited, includes jar wall body, heat preservation and interior wall layer, jar wall body includes shell layer, heat preservation and interior wall layer, and the heat preservation is located between shell layer and the interior wall layer, the outer wall on interior wall layer is connected through elastic component and buffer board, and the inner wall of buffer board is fixed with the fixture block, shell layer includes outer frame plate, first gusset plate and second gusset plate, and first gusset plate and second gusset plate all are located the inside of outer frame plate.

Preferably, the elastic piece is made of rubber materials, two ends of the elastic piece are respectively connected with the buffer plate and the inner wall layer in an adhesive mode, and the buffer plate is made of metal mesh plate materials.

Preferably, the cross section of the clamping block is of a cross-shaped structure, the clamping block is matched with the clamping groove, and the clamping groove is horizontally arranged on the inner wall of the heat insulation layer and is not communicated with the heat insulation layer.

Preferably, the cross section of the outer frame plate is of a hollow frame structure, and the outer frame plate is made of an aluminum alloy material.

Preferably, the first reinforcing plate and the second reinforcing plate are distributed in a staggered manner, are perpendicular to each other, and are welded with the outer frame plate.

Preferably, the second reinforcing plate is provided with a leak hole, and the first reinforcing plate and the second reinforcing plate are filled with prestressed concrete.

Compared with the prior art, the beneficial effects of the utility model are that: the low-temperature storage tank wall structure for storing anhydrous ammonia redesigns the existing tank wall structure, ensures that the heat insulation performance is not affected, improves the overall service life and the overall structural strength of the tank body, and is more reasonable in structural design;

1. the elastic piece and the fixture block are designed in a structure, so that the expansion of the elastic piece and the use of the buffer plate are facilitated, and the deformation of the inner wall is ensured not to influence the use of the heat-insulating layer;

2. the structural design of a plurality of gusset plates and small opening is convenient for strengthen the structural strength of the shell through the use of a plurality of gusset plates, and the connection between the shell and the concrete is more stable.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged cross-sectional view taken along line A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the fixture block of the present invention;

fig. 4 is a schematic diagram of the structure of the outer shell of the present invention.

In the figure: 1. a tank wall body; 2. an outer shell layer; 3. a heat-insulating layer; 4. an inner wall layer; 5. a buffer plate; 6. an elastic member; 7. a clamping block; 8. a card slot; 9. an outer frame plate; 10. a first reinforcing plate; 11. a second reinforcing plate; 12. and (4) a leak hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a low temperature storage tank jar wall structure for anhydrous ammonia is deposited, including jar wall body 1, outer shell 2, heat preservation 3, interior wall layer 4, buffer board 5, elastic component 6, fixture block 7, draw-in groove 8, outer deckle board 9, first gusset plate 10, second gusset plate 11 and small opening 12, jar wall body 1 includes outer shell 2, heat preservation 3 and interior wall layer 4, and heat preservation 3 is located between outer shell 2 and the interior wall layer 4, the outer wall of interior wall layer 4 is connected through elastic component 6 and buffer board 5, and buffer board 5's inner wall is fixed with fixture block 7, outer shell 2 includes outer deckle board 9, first gusset plate 10 and second gusset plate 11, and first gusset plate 10 and second gusset plate 11 all are located outer deckle board 9's inside.

Elastic component 6 is rubber materials, and its both ends respectively with buffer board 5 and inner wall layer 4 adhesive bonding connection, and buffer board 5 is the metal mesh board material, the cross-section of fixture block 7 is "ten" style of calligraphy structure, it is identical with draw-in groove 8, and the division that the draw-in groove 8 level does not link up is at the 3 inner walls of heat preservation, the filling or the discharge of anhydrous ammonia all can lead to the internal portion temperature rapid change of jar, consequently, corresponding deformation can take place for inner wall layer 4, the in-process of deformation can directly extrude figure 1 and the elastic component 6 shown in figure 2, elastic component 6 cushions the deformation power through self elastic deformation's mode, when the deformation scope is great, can drive buffer board 5 and the synchronous corresponding removal of fixture block 7.

The cross-section of outer deckle board 9 is hollow frame type structure, and outer deckle board 9 is aluminum alloy material, first gusset plate 10 and second gusset plate 11 are crisscross distribution, and both mutually perpendicular, and both all with outer deckle board 9 welding, the small opening 12 has been seted up on the second gusset plate 11, and it has prestressed concrete to fill in first gusset plate 10 and the second gusset plate 11, accomplish outer shell 2's integral erection back, with prestressed concrete pouring in outer deckle board 9 can, at the in-process of watering, concrete itself can pass the small opening 12 in figure 4 even with first gusset plate 10, second gusset plate 11 and outer deckle board 9 uniform contact, thereby reach the purpose that promotes outer shell 2 overall structure intensity.

The working principle is as follows: a plurality of metal plates can be welded seamlessly as shown in fig. 4 to form the outer frame plate 9 of the frame structure, before this operation is performed, the first reinforcing plates 10 can be welded and installed at a certain interval, and then the second reinforcing plates 11 can be installed and fixed at angles perpendicular to each other, the installation method can be welding or bolt connection, not described in detail, after the whole installation of the outer shell 2 is completed, prestressed concrete is poured into the outer frame plate 9, during the pouring process, the concrete itself can pass through the leakage holes 12 in fig. 4 and uniformly contact with the first reinforcing plates 10, the second reinforcing plates 11 and the outer frame plate 9, thereby achieving the purpose of improving the whole structural strength of the outer shell 2, when the low-temperature storage tank formed by the tank wall body 1 is used, the temperature inside the tank body can be rapidly changed due to the filling or discharging of anhydrous ammonia, therefore, the inner wall layer 4 can deform correspondingly, the elastic piece 6 shown in the figure 1 and the figure 2 can be directly extruded in the deformation process, the elastic piece 6 buffers deformation force through the elastic deformation mode of the elastic piece, when the deformation range is large, the buffer plate 5 and the fixture block 7 can be driven to synchronously and correspondingly move, and the fixture block 7 can influence the structure of the heat preservation layer 3 and the heat preservation effect through the moving mode in the clamping groove 8 and the deformation acting force.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low temperature storage tank jar wall structure for anhydrous ammonia is deposited, includes jar wall body (1), heat preservation (3) and interior wall layer (4), its characterized in that: tank wall body (1) includes shell (2), heat preservation (3) and interior wall (4), and heat preservation (3) are located between shell (2) and interior wall (4), the outer wall on interior wall (4) is connected through elastic component (6) and buffer board (5), and the inner wall of buffer board (5) is fixed with fixture block (7), shell (2) include frame board (9), first gusset plate (10) and second gusset plate (11), and first gusset plate (10) and second gusset plate (11) all are located the inside of frame board (9).

2. A cryogenic storage tank wall structure for anhydrous ammonia storage according to claim 1, wherein: the elastic piece (6) is made of rubber materials, two ends of the elastic piece are respectively connected with the buffer plate (5) and the inner wall layer (4) in an adhesive mode, and the buffer plate (5) is made of metal mesh plate materials.

3. A cryogenic storage tank wall structure for anhydrous ammonia storage according to claim 1, wherein: the cross section of the clamping block (7) is of a cross-shaped structure, the clamping block is matched with the clamping groove (8), and the clamping groove (8) is horizontally arranged on the inner wall of the heat-insulating layer (3) without being communicated.

4. A cryogenic storage tank wall structure for anhydrous ammonia storage according to claim 1, wherein: the section of the outer frame plate (9) is of a hollow frame structure, and the outer frame plate (9) is made of an aluminum alloy material.

5. A cryogenic storage tank wall structure for anhydrous ammonia storage according to claim 1, wherein: the first reinforcing plate (10) and the second reinforcing plate (11) are distributed in a staggered mode, are perpendicular to each other and are welded with the outer frame plate (9).

6. A cryogenic storage tank wall structure for anhydrous ammonia storage according to claim 1, wherein: the second reinforcing plate (11) is provided with a leak hole (12), and prestressed concrete is filled in the first reinforcing plate (10) and the second reinforcing plate (11).