CN219890230U

CN219890230U - Feeding pipe convenient for heat exchanger to heat materials evenly distributed

Info

Publication number: CN219890230U
Application number: CN202320731463.XU
Authority: CN
Inventors: 项晓华
Original assignee: Yancheng Jinggong Valve Co ltd
Current assignee: Yancheng Jinggong Valve Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-10-24
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a feeding pipe convenient for uniformly distributing heating materials of a heat exchanger, which is characterized in that: the feeding pipe (3) comprises an elbow pipe part at an inlet and a straight pipe part for feeding, the tail end of the straight pipe part is closed, a spraying hole (31) is formed in the pipe wall of the straight pipe part, and the spraying hole (31) from the axial front end to the axial tail end of the feeding pipe (3) presents a distribution rule of being sparse and dense back along the axial front end. According to the utility model, the pipe wall of the feeding pipe is drilled with the spraying holes distributed according to a certain rule, and the non-feeding end of the feeding pipe is closed, so that the material is forced to be sprayed out of the spraying holes and uniformly distributed in the shell of the heat exchanger, and the purpose of uniform distribution is achieved; the feeding pipe is simple to manufacture and low in cost.

Description

Feeding pipe convenient for heat exchanger to heat materials evenly distributed

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a feeding pipe which is convenient for uniformly distributing heating materials of a heat exchanger.

Background

At present, in the production processes of chemical industry, oil purification, waste heat utilization of power plants and the like, a heat exchanger is needed to heat materials to reach a certain temperature condition; in the heating process, the distances between the materials and the heat source are different. Creating a difference in temperature. The phenomenon of uneven heat and cold is serious.

The prior art solves the problem by designing a baffle plate in the shell, but the baffle plate is troublesome to manufacture and high in cost, welding slag is easy to generate in welding, and the welding slag is not easy to clean.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and provides a feeding pipe which is convenient for a heat exchanger to heat materials and uniformly distribute.

The utility model aims at solving the problems through the following technical scheme:

feed pipe convenient to heat exchanger heating material evenly distributed, its characterized in that: the feeding pipe comprises an elbow pipe part at an inlet and a straight pipe part for feeding, wherein the tail end of the straight pipe part is closed, a spraying hole is formed in the pipe wall of the straight pipe part, and the spraying hole from the axial front end to the axial tail end of the feeding pipe shows a distribution rule of being sparse and dense in the front and rear along the axial direction.

The spraying holes arranged along the circumference of the feeding pipe are uniformly distributed.

The feeding pipe of the straight pipe part is divided into a front spraying section, a middle spraying section and a rear spraying section according to the distance between the feeding pipe and the bent pipe part, the distances between adjacent spraying holes on the rear spraying section are equal, and the distances between the adjacent spraying holes on the front spraying section and the middle spraying section are distributed according to an equal difference array.

The difference of the distances between the adjacent spraying holes on the spraying front section is not smaller than the difference of the distances between the adjacent spraying holes on the spraying middle section.

8-14 groups of spraying holes are axially arranged on the spraying rear section, 4-6 groups of spraying holes are axially arranged on the spraying middle section, and the rest spraying holes on the feeding pipe belong to the spraying front section.

The elbow part of the feed pipe is arranged on the outer side of the shell.

The straight pipe part of the feeding pipe is arranged at the upper part of the inner cavity of the shell.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, the pipe wall of the feeding pipe is drilled with the spraying holes distributed according to a certain rule, and the non-feeding end of the feeding pipe is closed, so that the material is forced to be sprayed out of the spraying holes and uniformly distributed in the shell of the heat exchanger, and the purpose of uniform distribution is achieved; the feeding pipe is simple to manufacture and low in cost.

Drawings

FIG. 1 is a schematic structural view of a feed pipe for facilitating uniform distribution of heating materials of a heat exchanger;

FIG. 2 is a schematic view of the structure of the feed tube of the present utility model when used in a heat exchanger;

fig. 3 is an axial cross-sectional schematic view of fig. 2.

Wherein: 1-a conduction oil inlet; 2-a heat conducting oil outlet; 3-feeding pipe; 31-spraying holes; 4-a circulation pipe; 5-outlet of circulation pipe; 6-a first sewage outlet; 7, a material outlet; 8, a heat conducting oil tube bundle; 9-a second sewage outlet; 10-a shell.

Description of the embodiments

The following description of the embodiments of the present utility model will be made apparent and complete in conjunction with the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the present utility model.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model based on the embodiments of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1: the feeding pipe 3 comprises an elbow pipe part at an inlet and a straight pipe part for feeding, wherein the elbow pipe part of the feeding pipe 3 is arranged at the outer side of a shell 10, and the straight pipe part of the feeding pipe 3 is arranged at the upper part of an inner cavity of the shell 10; the tail end of the straight pipe part is closed, the pipe wall of the straight pipe part is provided with spraying holes 31, and the spraying holes 31 from the axial front end to the axial tail end of the feeding pipe 3 are distributed regularly in a front-back-dense mode along the axial direction and are uniformly distributed along the circumferential direction of the feeding pipe 3.

Further, the feeding pipe 3 of the straight pipe part is divided into a front spraying section, a middle spraying section and a rear spraying section according to the distance from the bent pipe part, 8-14 groups of spraying holes 31 which are axially arranged are arranged on the rear spraying section, 4-6 groups of spraying holes 31 which are axially arranged are arranged on the middle spraying section, and the rest of spraying holes 31 on the feeding pipe 3 belong to the front spraying section; specifically, the distances between the adjacent spraying holes 31 on the rear spraying section are equal, and the distances between the adjacent spraying holes 31 on the front spraying section and the middle spraying section are distributed according to an equal difference array; the further preferable scheme is as follows: the difference in the spacing between adjacent ejection holes 31 on the ejection front section is not smaller than the difference in the spacing between adjacent ejection holes 31 on the ejection middle section.

The heat exchanger as shown in fig. 2-3 comprises a heat conducting oil inlet 1, a heat conducting oil outlet 2, a feeding pipe 3, a circulating pipe 4, a circulating pipe outlet 5, a first sewage drain 6, a material outlet 7, a heat conducting oil pipe bundle 8, a second sewage drain 9 and a shell 10, wherein when in use, materials enter the shell 10 of the heat exchanger from a material spraying hole 31 of the feeding pipe 3 and are uniformly distributed in the inner cavity of the shell 10, and after a period of time after the materials are filled, a circulating pump circulates the materials back and forth through the inlet of the circulating pipe 4 and the circulating pipe outlet 5, so that the temperature uniformity and consistency of the materials are always kept.

According to the utility model, the pipe wall of the feeding pipe 3 is drilled with the spraying holes 31 distributed according to a certain rule, and the non-feeding end of the feeding pipe 3 is closed, so that the material is forced to be sprayed out of the spraying holes 31 and uniformly distributed in the shell 10 of the heat exchanger, thereby achieving the purpose of uniform distribution; the feed pipe 3 is simple to manufacture and low in cost.

The above embodiments are only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by the above embodiments, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the present utility model; the technology not related to the utility model can be realized by the prior art.

Claims

1. Feed pipe convenient to heat exchanger heating material evenly distributed, its characterized in that: the feeding pipe (3) comprises an elbow pipe part at an inlet and a straight pipe part for feeding, the tail end of the straight pipe part is closed, a spraying hole (31) is formed in the pipe wall of the straight pipe part, and the spraying hole (31) from the axial front end to the axial tail end of the feeding pipe (3) presents a distribution rule of being sparse and dense back along the axial front end.

2. The feed tube for facilitating uniform distribution of heated material by a heat exchanger according to claim 1, wherein: the spraying holes (31) arranged along the circumference of the feeding pipe (3) are uniformly distributed.

3. The feed tube for facilitating uniform distribution of heated material by a heat exchanger according to claim 1, wherein: the feeding pipe (3) of the straight pipe part is divided into a front spraying section, a middle spraying section and a rear spraying section according to the distance between the feeding pipe and the bent pipe part, the distances between adjacent spraying holes (31) on the rear spraying section are equal, and the distances between the adjacent spraying holes (31) on the front spraying section and the middle spraying section are distributed according to an equal difference array.

4. A feed tube for facilitating uniform distribution of heated material by a heat exchanger as claimed in claim 3, wherein: the difference of the intervals between the adjacent spraying holes (31) on the spraying front section is not smaller than the difference of the intervals between the adjacent spraying holes (31) on the spraying middle section.

5. A feed tube for facilitating uniform distribution of heated material by a heat exchanger as claimed in claim 3, wherein: 8-14 groups of spraying holes (31) which are axially arranged are arranged on the spraying rear section, 4-6 groups of spraying holes (31) which are axially arranged are arranged on the spraying middle section, and the rest of spraying holes (31) on the feeding pipe (3) belong to the spraying front section.

6. The feed tube for facilitating uniform distribution of heated material by a heat exchanger according to any of claims 1-5, wherein: the bent pipe part of the feeding pipe (3) is arranged at the outer side of the shell (10).

7. The feed tube for facilitating uniform distribution of heated material by a heat exchanger according to any of claims 1-5, wherein: the straight pipe part of the feeding pipe (3) is arranged at the upper part of the inner cavity of the shell (10).