CN203772070U

CN203772070U - Positive displacement heat exchanger

Info

Publication number: CN203772070U
Application number: CN201420045244.7U
Authority: CN
Inventors: 江广华; 冯育周; 毛书样
Original assignee: GUANGZHOU JIEMA HEAT EXCHANGE EQUIPMENT CO Ltd
Current assignee: Hubei Jiema heat exchange equipment manufacturing Co. Ltd.
Priority date: 2014-01-23
Filing date: 2014-01-23
Publication date: 2014-08-13
Anticipated expiration: 2024-01-23

Abstract

The utility model discloses a positive displacement heat exchanger comprising an outer shell, collection tubes extending into the outer shell and coils arranged in the outer shell. The coils are connected with the collection tubes through tube sleeves. The inner ends of the tube sleeves are welded to the collection tubes, and the coils are welded to the outer ends of the tube sleeves. By the adoption of the structure, the welding strength between the collection tubes and the coils can be improved, welding joints between the coils and the collection tubes can be prevented from cracking, and the service life of the positive displacement heat exchanger is further prolonged.

Description

Volumetric heat exchanger

Technical field

The utility model relates to technical field of heat exchangers, is specifically related to volumetric heat exchanger.

Background technology

Volumetric heat exchanger is to utilize heat storage (filler) surface of cold and hot fluid alternating current in regenerator, thereby carry out the heat exchanger of exchange heat, the cold and hot fluid of partition volumetric heat exchanger is separated by solid partition, and by partition, carry out the heat exchanger of exchange heat, therefore claim again surface-type heat exchanger.

The coil pipe of existing volumetric heat exchanger and the connected mode of collector are that coil pipe is directly welded on collector, and this structure can cause weld strength inadequate, and in the course of the work, the vibration of coil pipe can cause banjo fixing butt jointing to occur crack, easily occurs seepage making shortened equipment life.

Utility model content

The purpose of this utility model is to disclose volumetric heat exchanger, has solved coil pipe in existing volumetric heat exchanger and has been easy to weld seam to shake and split in the vibration of the course of work, shortens the problem of service life of equipment.

For achieving the above object, the utility model adopts following technical scheme:

Volumetric heat exchanger, comprises shell, stretches into the collector in shell and is located at the coil pipe in shell; Coil pipe connects collector by pipe box; Described coil pipe is welded in pipe box inner welding collector and pipe box outer end.

Further, the cross section of described pipe box is T-shaped structure, and the inner external diameter of pipe box is less than pipe box outer end external diameter; Described pipe box outer end is sheathed on described coil pipe outer wall, and described pipe box is inner to be inserted in described collector.

Further, described collector extends along the axis direction of described shell, and described in some groups, coil pipe is arranged along the axis direction of shell.

Further, shell consists of the cylinder of vertically placing, the lower ellipse head being located at the upper ellipse head at cylinder top and being located at bottom of cylinder; Lower ellipse head bottom is provided with supporting leg; Upper ellipse head is provided with hanger.

Further, described collector comprises water inlet collector and water out collector, and collector is through upper ellipse head and stretch out shell, and the part that collector exposes shell is provided with the flange of being convenient to connection.

Further, described collector is provided with at least two outstanding sockets, and described pipe box the inner inserts socket also and socket is welded and fixed.

Further, spacing 200mm between adjacent socket.

Further, described shell is provided with Pressure gauge and the pressure seat of measuring casing internal pressure, and Pressure gauge is by pressure seat connected with outer casing.

Further, described shell is provided with thermometer and the temperature gauge stand of measuring temperature in shell, and thermometer is by temperature gauge stand connected with outer casing.

Further, described shell is provided with safety valve.

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

1, in the utility model, the connection between collector and coil pipe increases a pipe box transition welding, can increase the weld strength between collector and coil pipe, can prevent the welding point fracture between coil pipe and collector, further increases equipment life.

2, the utility model adopts the structure of vertically placing, and collector and coil pipe are vertically arranged, can more effectively realize heat exchange.

3, the utility model structure such as Pressure gauge, thermometer, safety valve also, is convenient to understand in shell the environment such as temperature, guarantees production safety.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the front elevational schematic of volumetric heat exchanger embodiment described in the utility model;

Fig. 2 is the internal structure schematic diagram of Fig. 1;

Fig. 3 is the schematic cross-section of I part in Fig. 2;

Fig. 4 is the structural representation of collector in Fig. 2;

In figure, 1-shell; 11-cylinder; The upper ellipse head of 12-; Ellipse head under 13-; 14-hanger; 2-collector; 21-socket; 22-water inlet collector; 23-water out collector; 3-coil pipe; 4-pipe box; 41-pipe box is inner; 42-pipe box outer end; 5-supporting leg; 61-Pressure gauge; 62-pressure seat; 7-flange; 81-thermometer; 82-temperature gauge stand; 9-safety valve.

The specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.

Volumetric heat exchanger, comprises shell 1, stretches into the collector 2 in shell 1 and is located at the coil pipe 3 in shell 1 as shown in Figures 1 to 4; Coil pipe 3 connects collector 2 by pipe box 4; The inner 41 welding collectors 2 of pipe box and pipe box outer end 42 welding coil pipes 3.

The cross section of pipe box 4 is T-shaped structure, and inner 41 external diameters of pipe box are less than pipe box outer end 42 external diameters; Pipe box outer end 42 is sheathed on coil pipe 3 outer walls, and pipe box inner 41 inserts in collector 2.Collector 2 extends along the axis direction Y-direction of shell 1, and some groups of coil pipes 3 are arranged along the axis direction Y-direction of shell 1.

Shell 1 consists of the cylinder 11 of vertically placing, the lower ellipse head 13 being located at the upper ellipse head 12 at cylinder top and being located at bottom of cylinder; Lower ellipse head 12 bottoms are provided with supporting leg 5; Upper ellipse head 13 is provided with hanger 14.

Collector 2 comprises water inlet collector 22 and water out collector 23, and collector 2 is through upper ellipse head 13 and stretch out shell 1, and the part that collector 2 exposes shell 1 is provided with the flange 7 of being convenient to connection.

Collector 2 is provided with at least two outstanding sockets 21, and pipe box inner 41 inserts socket 21 also and socket 21 is welded and fixed.Spacing 200mm between adjacent socket 21.Shell 1 is provided with Pressure gauge 61 and the pressure seat 62 of measuring casing internal pressure, and Pressure gauge 61 is by pressure seat 62 connected with outer casings 1.Shell 1 is provided with thermometer 81 and the temperature gauge stand 82 of measuring shell 1 interior temperature, and thermometer 81 is by temperature gauge stand 82 connected with outer casings 1.Shell 1 is also provided with safety valve 9.

Other structure of the present embodiment volumetric heat exchanger is referring to prior art.

The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not departed to spirit and scope of the present utility model, if within these changes and modification belong to claim of the present utility model and equivalent technologies scope, the utility model is also intended to comprise these changes and modification.

Claims

1. volumetric heat exchanger, is characterized in that: comprise shell, stretch into the collector in shell and be located at the coil pipe in shell; Coil pipe connects collector by pipe box; Described coil pipe is welded in pipe box inner welding collector and pipe box outer end.

2. volumetric heat exchanger according to claim 1, is characterized in that: the cross section of described pipe box is T-shaped structure, and the inner external diameter of pipe box is less than pipe box outer end external diameter; Described pipe box outer end is sheathed on described coil pipe outer wall, and described pipe box is inner to be inserted in described collector.

3. according to volumetric heat exchanger described in claim 1 or 2, it is characterized in that: described collector extends along the axis direction of described shell, described in some groups, coil pipe is arranged along the axis direction of shell.

4. volumetric heat exchanger according to claim 3, is characterized in that: shell consists of the cylinder of vertically placing, the lower ellipse head being located at the upper ellipse head at cylinder top and being located at bottom of cylinder; Lower ellipse head bottom is provided with supporting leg; Upper ellipse head is provided with hanger.

5. volumetric heat exchanger according to claim 4, is characterized in that: described collector comprises water inlet collector and water out collector, and collector is through upper ellipse head and stretch out shell, and the part that collector exposes shell is provided with is convenient to the flange that connects.

6. volumetric heat exchanger according to claim 4, is characterized in that: described collector is provided with at least two outstanding sockets, described pipe box is inner insert socket and and socket be welded and fixed.

7. volumetric heat exchanger according to claim 6, is characterized in that: spacing 200mm between adjacent socket.

8. according to volumetric heat exchanger described in claim 1 or 2, it is characterized in that: described shell is provided with Pressure gauge and the pressure seat of measuring casing internal pressure, Pressure gauge is by pressure seat connected with outer casing.

9. according to volumetric heat exchanger described in claim 1 or 2, it is characterized in that: described shell is provided with thermometer and the temperature gauge stand of measuring temperature in shell, thermometer is by temperature gauge stand connected with outer casing.

10. according to volumetric heat exchanger described in claim 1 or 2, it is characterized in that: described shell is provided with safety valve.