CN217274807U

CN217274807U - Backflow-preventing water-hammer-free oil heater

Info

Publication number: CN217274807U
Application number: CN202123402058.3U
Authority: CN
Inventors: 刘向东; 孙爽; 刘秋波; 梁安喜; 王开; 杨鹏; 杨柳; 苏波涛; 唐小燕
Original assignee: Xi'an Shanchuan Petroleum Technology Co ltd
Current assignee: Xi'an Shanchuan Petroleum Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-23
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of oil tank firing equipment, a prevent flowing backwards no water hammer oil heater is disclosed, multiunit heating tube bank parallel arrangement is inside the oil tank, and the filter is installed to the heating medium entry, and the heating tube bank is provided with a plurality of parallel tubes, and a plurality of parallel tubes both ends communicate respectively has the set standpipe, installs aqueous vapor separator in the set standpipe, installs helical fin and flash tank on the parallel tubes. The utility model has simple structure, the filtering device arranged at the inlet of the heating medium filters the impurities in the heating medium to effectively protect the water-gas separation device, reduces the failure rate of the oil tank heater and prolongs the service life; the water-gas separation device and the flash tank which are arranged in the heating tube bundle avoid the water hammer phenomenon, the heat dissipation area of the heating tube bundle is increased by the arranged spiral fins, the heating tube bundle is arranged in the tank in parallel, and the later-stage maintenance is convenient; multiple functions are integrated, the failure rate is effectively reduced, the heat dissipation area is large, the heat exchange efficiency is high, energy is saved, and the service life is long.

Description

Backflow-preventing water-hammer-free oil heater

Technical Field

The utility model belongs to the technical field of oil tank firing equipment, especially, relate to a prevent non-water hammer oil heater of refluence.

Background

At present, after crude oil in an oil field is extracted from a wellhead, the crude oil has the characteristics of large density, large viscosity, high wax content, low freezing point and the like, so that the flowability of the crude oil is reduced, and a pipeline is easy to block, therefore, the crude oil needs to be heated and insulated in the production and transportation process, and the production and transportation requirements of the crude oil are met.

The existing oil tank heating equipment generally adopts an oil tank heater with a single function, the heater is mainly formed by connecting a plurality of coil pipes, for example, a fin type coil pipe can only singly meet the requirement of increasing the heat dissipation area, and the service life of the heater is seriously influenced because the pipeline can generate water hammer in operation; the water hammer-free heating coil can only avoid the water hammer phenomenon, and the separation holes in the water-gas separation device are easy to block and have small heat dissipation area, so that when the heat exchange efficiency cannot meet the requirement, the number of the heating coils needs to be increased, and the installation time and the installation space are increased.

Through the above analysis, the problems and defects of the prior art are as follows: the existing oil tank heating equipment has the advantages of single function, high failure rate, small heat dissipation area, easy generation of water hammer and short service life.

The difficulty in solving the above problems and defects is: the functions of the multiple heaters are combined into one heating pipe bundle, the connecting and installing difficulty of the multiple heaters is reduced, the filtering device suitable for the oil tank heater pipeline and the backflow preventing device are arranged in the oil tank heater pipeline, the filtering device can filter impurities in a heating medium, therefore, the water-gas separating device in the heating pipe bundle is protected from being blocked, the backflow device can prevent backflow of a condensing medium, and therefore heat loss is reduced.

The significance of solving the problems and the defects is as follows: a filtering device is arranged at the inlet of the heat medium, impurities in the heating medium are filtered to effectively protect the water-gas separation device, the fault rate of the oil tank heater is reduced, and the service life is prolonged; the water-gas separation device and the flash tank which are arranged in the heating tube bundle avoid the water hammer phenomenon, the heat dissipation area of the heating tube bundle is increased by the arranged spiral fins, the heating tube bundle is arranged in the tank in parallel, and the later-stage maintenance is convenient; multiple functions are integrated, the failure rate is effectively reduced, the heat dissipation area is large, the heat exchange efficiency is high, energy is saved, and the service life is long.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a prevent water hammer oil heater that flows backwards.

The utility model discloses a realize like this, a prevent that refluence does not have water hammer oil heater and is provided with:

a plurality of groups of heating tube bundles;

the heating pipe bundles are arranged in the oil tank in parallel, the heating pipe bundles are sequentially connected to a heating medium outlet in series from a heating medium inlet through a connecting pipe and a distributor, and a filter is arranged at the heating medium inlet;

the heating tube bank is provided with a plurality of parallel tubes, and a plurality of parallel tube both ends communicate respectively has the collection standpipe, install aqueous vapor separator in the collection standpipe, install helical fin and flash tank on the parallel tube, helical fin installs in the parallel tube outside.

Further, the multiple groups of heating tube bundles are respectively fixed on a mounting bracket by U-shaped tube clamps, and the mounting bracket is fixedly connected with the inner wall of the oil tank.

Furthermore, a plurality of flow guide holes are distributed on the water-gas separation device.

Further, a check valve is installed at the heating medium outlet.

Further, the filter is a Y-type filter.

Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are: the utility model has simple structure, the filtering device arranged at the inlet of the heating medium filters the impurities in the heating medium to effectively protect the water-gas separation device, reduces the failure rate of the oil tank heater and prolongs the service life; the water-gas separation device and the flash tank which are arranged in the heating tube bundle avoid the water hammer phenomenon, the heat dissipation area of the heating tube bundle is increased by the arranged spiral fins, the heating tube bundle is arranged in the tank in parallel, and the later-stage maintenance is convenient; multiple functions are integrated, the failure rate is effectively reduced, the heat dissipation area is large, the heat exchange efficiency is high, energy is saved, and the service life is long.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.

Fig. 1 is a schematic structural view of a backflow-preventing water-hammer-free oil heater provided by an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a heating tube bundle according to an embodiment of the present invention.

In the figure: 1. a heating medium inlet; 2. a filter; 3. a connecting pipe; 4. a dispenser; 5. a heating tube bundle; 6. mounting a bracket; 7. a check valve; 8. a heating medium outlet; 9. collecting vertical pipes; 10. a water-gas separation device; 11. a threaded fin; 12. a dilatation tube; 13. a parallel tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

To the problem that prior art exists, the utility model provides a prevent flowing backwards no water hammer oil heater, it is right below combining the figure the utility model discloses do detailed description.

As shown in fig. 1 and fig. 2, the embodiment of the utility model provides a prevent oil heater that hits of water of flowing backwards includes heating medium entry 1, filter 2, connecting pipe 3, distributing pipe 4, heating tube bank 5, installing support 6, check valve 7, heating medium export 8, collection standpipe 9, aqueous vapor separator 10, helical fin 11, dilatation pipe 12 and parallel pipe 13.

The heating tube bundles 5 are arranged in parallel in the oil tank in groups, and are respectively fixed on the mounting bracket 6 by U-shaped tube clamps, the mounting bracket 6 is fixedly connected with the oil tank to prevent shaking, and the plurality of groups of heating tube bundles 5 are sequentially connected to the heating medium outlet 8 in series from the heating medium inlet 1 by using the connecting tubes 3 and the distributors 4.

Each group of heating tube bundles is formed by connecting 4

parallel tubes

13 and 2 collection vertical tubes 9, a water-gas separation device 10 is installed in the collection vertical tubes 9, and a plurality of diversion holes are arranged on the water-gas separation device 10. 2 of the 4 parallel pipes are provided with a thread fin 11 to increase the heat exchange area, and 1 of the other two parallel pipes is provided with a dilatation pipe 12 to prevent the water hammer.

A filter 2 is arranged at the heating medium inlet 1, and the filter is a Y-shaped filter; a check valve 7 is arranged at the heating medium outlet 8.

The utility model discloses a theory of operation is:

the multiple groups of heating tube bundles 5 are sequentially connected in series from the inlet connecting pipe of the tank wall to the connecting pipe of the heating medium outlet 8 of the tank wall through the connecting pipe 3 and the distributor 4; the filter 2 arranged at the heating medium inlet 1 is used for filtering impurities in the heating medium, the filter 2 is connected with the connecting pipe 3, two ends of the heating pipe bundle 5 are respectively connected with the distribution pipe 4, the plurality of groups of heating pipe bundles 5 are connected in series through the distributor 4 and the connecting pipe 3, and the one-way valve 7 is arranged at the heating medium outlet 8 to prevent the backflow of the condensing medium; the heating tube bundle 5 is arranged in the tank in parallel and is arranged above the mounting bracket 6, the heating tube bundle 5 is fixed by adopting a U-shaped tube clamp, and the mounting bracket 6 is fixedly connected with the tank body, so that the stability of the whole tank is ensured, and the shaking damage is prevented; the heat exchange area is increased by the threaded fins 11 arranged on the 2 parallel pipes 13, and the water hammer phenomenon is prevented by the expansion pipes 12 arranged on the 1 parallel pipes; a water-gas separation device 10 arranged in the vertical collecting pipe 9 separates water and gas to avoid water attack;

the utility model discloses collect multiple functions in an organic whole, eliminated the water hammer phenomenon, increased heat radiating area, reduced maintenance frequency, promoted life.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to 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 invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.

Claims

1. The utility model provides a prevent flowing backwards no water hammer oil heater which characterized in that, prevent flowing backwards no water hammer oil heater is provided with:

a plurality of groups of heating tube bundles;

2. The backflow-preventing water-hammer-free oil heater according to claim 1, wherein the plurality of groups of heating tube bundles are respectively fixed on a mounting bracket by a U-shaped tube clamp, and the mounting bracket is fixedly connected with the inner wall of the oil tank.

3. The backflow-preventing water-hammer-free oil heater as claimed in claim 1, wherein a plurality of flow guide holes are formed in the water-gas separating device.

4. The backflow prevention water hammer free oil heater according to claim 1, wherein a check valve is installed at the heating medium outlet.

5. The backflow prevention water hammer free heater of claim 1, wherein the filter is a Y-filter.