CN218511236U

CN218511236U - Double-system combined condenser

Info

Publication number: CN218511236U
Application number: CN202222513903.2U
Authority: CN
Inventors: 钱小兵; 卜伟; 花军; 戴伟
Original assignee: Csic Tianhe Ship Equipment Jiangsu Co ltd
Current assignee: Csic Tianhe Ship Equipment Jiangsu Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-02-21
Anticipated expiration: 2032-09-22

Abstract

The utility model relates to a double-system combined condenser, wherein the left and the right cylinders have the same diameter and the relative inner ends are butt-welded through a middle tube plate, and the outer circumference of the middle tube plate exceeds the outer circumferences of the left and the right cylinders; the left and right cylinders are connected with an air inlet and a liquid outlet; a plurality of heat exchange tubes are connected to the left tube plate, the middle tube plate and the right tube plate in a penetrating mode, the heat exchange tubes are connected into expansion holes of the middle tube plate in a penetrating mode through expansion sleeves, the outer ends of the left tube body and the right tube body are supported through a left supporting seat and a right supporting seat respectively, and a shock absorber support is connected to the lower portion of the middle tube plate. Divide into the triplex with overall structure's support, change the support of left and right barrel into the supporting seat and support the barrel lower extreme, more be close the operation focus position of barrel separately, prevent middle or middle tube sheet position recessed, tear welding deformation and damage, well tube sheet supports through the bumper shock absorber support down simultaneously, the elasticity shock attenuation is supported, can avoid operation vibration centering tube sheet department receive the impact, receive the welding damage that factors such as gravity, vibration influence leads to, further improve the safety of well tube sheet welding department, stable the use.

Description

Double-system combined condenser

Technical Field

The utility model relates to a condenser, a dual system combination formula condenser specifically says so.

Background

With the development of multi-system water chilling units, the number of running compressors needs to be adjusted by the load, and the running under different loads is met. Traditional refrigeration systems employ completely independent circuits, with multiple condensers configured to achieve different flow condensations, respectively.

In order to simplify equipment and reduce cost, the existing combined condenser adopts axial butt joint of two condenser cylinders, for example, a composite condenser with the patent number of 200720111374.6, a middle tube plate is directly connected with a heat exchange tube in a penetrating way, and the hidden troubles of position shifting and leakage of cavities at two sides exist; if the middle tube plate is welded by adopting a cylinder fillet weld, the welding connection strength can not be ensured under the vibration of long-term use; and the whole axial length of compound condenser body is certain to be increased for the structure of independent function, if adopt the support in both sides tube sheet below of above-mentioned patent, the middle part does not have the support, easily produces sunken in middle tube sheet department, and serious meeting tearing welding leads to whole damage, influences normal, stable, safe handling.

Disclosure of Invention

The utility model provides a simple structure, safe in utilization, stable, longe-lived dual system combination formula condenser.

The utility model adopts the technical proposal that: a dual system combined condenser is characterized in that: the left tube plate and the right tube plate are respectively in fillet welding connection with the outer ends, opposite to each other, of the left tube body and the right tube plate, the left tube plate and the right tube plate are respectively covered by a left end cover and a right end cover to form a left tube plate cavity and a right tube plate cavity, the left tube body and the right tube body have the same diameter, opposite inner ends of the left tube body and the right tube body are in butt welding connection with each other through the middle tube plate, and the outer circumference of the middle tube plate exceeds the outer circumferences of the left tube body and the right tube body; the left cylinder and the right cylinder are both connected with an air inlet and a liquid outlet; a plurality of heat exchange tubes are connected to the left tube plate, the middle tube plate and the right tube plate in a penetrating manner, the heat exchange tubes are connected in a penetrating manner through expanding sleeves in a penetrating manner in expanding holes of the middle tube plate, the length of each expanding sleeve is greater than that of each expanding hole, a plurality of expanding bosses of a circumferential structure are arranged on the periphery of the middle part of each expanding sleeve, and each expanding boss is clamped in an expanding groove in the inner wall of each expanding hole; the middle tube plate is a plate body with the middle part adopting a Q345R plate body and two sides adopting QAL9-2 or BFe10+1 or BFe30-1-1 plate bodies for explosion cladding or rolling cladding; the left tube plate and the right tube plate are plate bodies with Q345R plate bodies on the outer sides and QAL9-2 or BFe10+1 or BFe30-1-1 plate bodies on the inner sides which are explosion-compounded or roll-compounded; the outer ends of the left and right cylinders are supported by the left and right supporting seats respectively, and the middle tube plate is connected with the shock absorber support downwards.

The heat exchange tube is provided with left and right rolling fin structures which are extruded and formed corresponding to the left and right cylinders, and the outer diameters of the left and right rolling fin structures are smaller than that of the plain tube section.

The air inlet is arranged in the middle of the upper ends of the left and right cylinder bodies.

The liquid outlet sets up to left and right liquid outlet, and left and right liquid outlet is concentrated to be seen off through the drain pipe and is seen off in the middle of the drain pipe.

The upper parts of the left and right cylinder bodies are both connected with exhaust ports with exhaust safety valves.

The exhaust ports are arranged into a left exhaust port and a right exhaust port which are respectively arranged at two sides of the air inlet of the cylinder body.

The rolling fin depth, thickness, fin shape and number of the left and right rolling fin structures are different.

And a lower water inlet and an upper water outlet are arranged on the upper and lower parts of any one external end cover in the left tube plate cavity and the right tube plate cavity.

In the utility model, the inner sides of the left tube plate and the right tube plate and the two sides of the middle tube plate adopt corrosion-resistant plate structures, the tube plates take the Q345 plate body as a base plate, and the composite plate structure is exploded or rolled, so that the corrosion resistance of the refrigerant connected from the inner side is considered, the integral structural strength is ensured after multiple heat exchange tubes are connected in a penetrating way, and the problems of long-term pressure-bearing deformation and leakage are avoided; the middle tube plate is connected with the two side cylinders in a build-up welding mode, so that the welding strength is enhanced; the support with overall structure divide into the triplex, change the support of left and right barrel into the supporting seat and support barrel lower extreme, more be close the operation focus position of barrel separately, prevent middle or well tube sheet position sunken, tear welding deformation and damage, well tube sheet is supported through the bumper shock absorber support down simultaneously, the elasticity shock attenuation is supported, can avoid operation vibration centering tube sheet department to receive the impact, receive the welding damage that factors such as gravity, vibration influence led to, further improve the safety of well tube sheet welding department, stably use.

Drawings

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

fig. 2 is an enlarged view of the inside of fig. 1 at a.

In the figure: the device comprises a left barrel 1, a left end cover 2, a left tube plate 3, a left air inlet 4, a left air outlet 5, a left liquid discharge port 6, a left support seat 7, a right barrel 8, a right end cover 9, a right tube plate 10, a right air inlet 11, a right air discharge port 12, a right liquid discharge port 13, a liquid discharge tube 14, a right support seat 15, an upper water outlet 16, a lower water inlet 17, a heat exchange tube 18, a middle tube plate 19, a lengthened expansion sleeve 20, an expansion boss 21, an expansion groove 22 and a shock absorber support 23.

Detailed Description

The present application is further described below with reference to the drawings and examples.

Shown in FIGS. 1 and 2: a double-system combined condenser comprises a left barrel 1, a left end cover 2, a left tube plate 3, a left supporting seat 7, a right barrel 8, a right end cover 9, a right tube plate 10, a liquid discharge tube 14, a right supporting seat 15, a heat exchange tube 18, a middle tube plate 19, a lengthened expansion sleeve 20 and a shock absorber support 23.

The left end of the left barrel 1 is connected with a left tube plate 3 in a fillet welding manner, the outer end of the left tube plate 3 is covered into a left tube plate cavity through a left end cover 2, the middle part of the upper end of the left barrel 1 is connected with a left air inlet 4, two sides of the left air inlet 4 are respectively provided with a left air outlet 5, the middle part of the lower end of the left barrel 1 is provided with a left liquid outlet 6, and the lower end of the left barrel 1 is also supported with a left supporting seat 7; the right end fillet weld of right barrel 8 connects right tube sheet 10, and right tube sheet 10 outer end covers into right tube sheet chamber through right-hand member lid 9, and right air inlet 11 is connected at right barrel 1 upper end middle part, and right air inlet 11 both sides set up right exhaust port 12 respectively, and right barrel 1 lower extreme both sides opening sets up two right discharge ports 13, and two right discharge ports 13 concentrate the middle part through fluid-discharge tube 14 and discharge, and right-hand member lid 9 outside still sets up delivery port 16 from top to bottom, lower water inlet 17, and right barrel 1 lower extreme has still supported right supporting seat 15.

In the embodiment, a plurality of heat exchange tubes 18 are connected in a penetrating manner to a left tube cavity and a right tube cavity, the middle part of each heat exchange tube 18 is connected with a middle tube plate 19 in a penetrating manner through an elongated expansion sleeve 20, the length of the elongated expansion sleeve is greater than the thickness of the middle tube plate, a plurality of expansion bosses 21 with a circumferential structure are arranged on the periphery of the middle part of the elongated expansion sleeve 20, and the expansion bosses are clamped in expansion grooves 22 in the inner wall of expansion holes of the middle tube plate; the circumference of the middle tube plate 19 is larger than that of the left and right cylinders, two ends of the middle tube plate 19 are respectively welded with the left and

right cylinders

1 and 8 in a butt welding mode, and the lower portion of the middle tube plate 19 is supported through a shock absorber support 23.

In this embodiment, the middle tube plate is a plate body with a Q345R plate body in the middle and QAL9-2 or BFe10+1 or BFe30-1-1 plate bodies on two sides for explosion cladding or rolling cladding; the left tube plate and the right tube plate are plate bodies with the outer sides adopting Q345R and the inner sides adopting QAL9-2 or BFe10+1 or BFe30-1-1 to perform explosion cladding or rolling cladding

On the basis of the embodiment, the left and right rolling fin structures can be extruded and formed on the heat exchange tube corresponding to the left and right cylinder bodies, and the outer diameters of the left and right rolling fin structures are smaller than those of the plain tube sections, so that the heat exchange efficiency is improved. The fin rolling depth, thickness, fin type and number of the left and right fin rolling structures are different, and the requirements of different heat exchange efficiencies of left and right combinations are met.

Claims

1. A dual system combined condenser is characterized in that: the left tube plate and the right tube plate are respectively in fillet welding connection with the outer ends of the left tube body and the right tube body, which are opposite to each other, the left tube plate and the right tube plate are respectively covered by a left end cover and a right end cover to form a left tube plate cavity and a right tube plate cavity, the left tube body and the right tube body have the same diameter, the opposite inner ends of the left tube body and the right tube body are in butt welding connection with each other through the middle tube plate, and the outer circumference of the middle tube plate exceeds the outer circumferences of the left tube body and the right tube body; the left and right cylinders are connected with an air inlet and a liquid outlet; a plurality of heat exchange tubes are connected to the left tube plate, the middle tube plate and the right tube plate in a penetrating manner, the heat exchange tubes are connected in a penetrating manner through expanding sleeves in a penetrating manner in expanding holes of the middle tube plate, the length of each expanding sleeve is greater than that of each expanding hole, a plurality of expanding bosses of a circumferential structure are arranged on the periphery of the middle part of each expanding sleeve, and each expanding boss is clamped in an expanding groove in the inner wall of each expanding hole; the middle tube plate is a plate body with the middle part adopting a Q345R plate body and two sides adopting QAL9-2 or BFe10+1 or BFe30-1-1 plate bodies for explosion cladding or rolling cladding; the left tube plate and the right tube plate are plate bodies with Q345R plate bodies on the outer sides and QAL9-2 or BFe10+1 or BFe30-1-1 plate bodies on the inner sides for explosive cladding or rolling cladding; the outer ends of the left and right cylinders are supported by the left and right supporting seats respectively, and the middle tube plate is connected with the shock absorber support downwards.

2. A dual system combined condenser as claimed in claim 1, wherein: the heat exchange tube is provided with left and right rolled fin structures which are extruded and formed corresponding to the left and right cylinders, and the outer diameters of the left and right rolled fin structures are smaller than those of the plain tube section.

3. A dual system combined condenser as claimed in claim 1, wherein: the air inlet is arranged in the middle of the upper ends of the left and right cylinder bodies.

4. A dual system combined condenser as claimed in claim 1, wherein: the liquid outlet sets up to left and right liquid outlet, and left and right liquid outlet is seen off through the drain pipe is concentrated and is seen off through the middle of the drain pipe.

5. A dual system combined condenser as claimed in claim 1, wherein: the upper parts of the left and right cylinder bodies are both connected with exhaust ports with exhaust safety valves.

6. The dual system combined condenser of claim 5, wherein: the exhaust ports are arranged into a left exhaust port and a right exhaust port which are respectively arranged at two sides of the air inlet of the cylinder body.

7. A dual system combined condenser as claimed in claim 2, wherein: the left and right fin rolling structures have different fin rolling depths, thicknesses, fin shapes and numbers.

8. A dual system combined condenser as claimed in claim 1, wherein: and a lower water inlet and an upper water outlet are arranged on the upper and lower parts of any one external end cover in the left tube plate cavity and the right tube plate cavity.