CN217236086U

CN217236086U - Synthetic tail gas heater

Info

Publication number: CN217236086U
Application number: CN202220976434.5U
Authority: CN
Inventors: 倪飞; 冯翼飞; 刘兴亚; 高华金; 张文彬; 郝勇; 杨传珍; 张淑双
Original assignee: Jiangsu Minsheng Environmental Protection Equipment Manufacturing Co ltd
Current assignee: Jiangsu Minsheng Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-19
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a synthetic tail gas heater, which relates to the technical field of heaters and comprises a shell, wherein end covers are arranged at two ends of the shell, a first supporting plate and a second supporting plate are arranged in the shell, and the interior of the shell is divided into a first cavity, a second cavity and a third cavity by the first supporting plate and the second supporting plate; the sleeve is arranged in the second cavity, two ends of the sleeve are respectively connected with the first supporting plate and the second supporting plate, and the sleeve is used for communicating the first cavity and the third cavity; the heating pipe is arranged inside the sleeve in a penetrating mode, a gap exists between the outer wall of the heating pipe and the inner wall of the sleeve, and the two ends of the heating pipe are connected with the end covers respectively. The utility model discloses a form the clearance between sleeve pipe and heating pipe, when letting in the synthetic tail gas that will wait to heat to the casing in, the synthetic tail gas that waits to heat flows through the clearance between sleeve pipe and the heating pipe, solves traditional synthetic tail gas that treats the heating through a heating chamber and heats and have the problem that heating efficiency is low, the heating is inhomogeneous.

Description

Synthetic tail gas heater

Technical Field

The utility model relates to a heater technical field, more specifically the utility model relates to a synthetic tail gas heater that says so.

Background

At present, in the high-energy-consumption and high-pollution industries such as petroleum, chemical industry, pharmacy, coal and electricity, steel, nonferrous metal smelting, cement building materials and the like, the tail gas quantity is large, and the direct emission of the tail gas does not accord with the emission standard, so in the tail gas emission process, the tail gas is firstly synthesized, and the synthesized tail gas is introduced into a reaction tank for chemical reaction or gas purification, but because the occupied area of a chemical plant is large, the tail gas comes from each device and is conveyed for a long distance, the temperature of the tail gas is greatly reduced, the reaction of the low-temperature tail gas in the reaction tank is insufficient, the reaction efficiency is low, the tail gas treated by the reaction tank still does not accord with the emission standard, in the prior art, the technology for heating the tail gas is already provided before the synthesized tail gas is introduced into the reaction tank, but the heating mode of the existing tail gas heater is to directly introduce the tail gas into the tail gas heater, the tail gas heater is internally provided with a reaction cavity, so that the heating is uneven, and the problem of low heating efficiency exists.

Therefore, how to provide a heater capable of improving the heating efficiency of the synthetic tail gas is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a synthetic tail gas heater aims at solving the problem among the above-mentioned background art, improves the heating efficiency of heater to synthetic tail gas.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a synthetic tail gas heater comprising:

the air inlet pipe is arranged on one end cover, the air outlet pipe is arranged on the other end cover, a first supporting plate and a second supporting plate are arranged in the shell, and the first supporting plate and the second supporting plate divide the interior of the shell into a first cavity, a second cavity and a third cavity;

the sleeve is arranged in the second cavity, two ends of the sleeve are respectively connected with the first supporting plate and the second supporting plate, and the sleeve is used for communicating the first cavity and the third cavity;

the heating pipe penetrates through the inside of the sleeve, a gap exists between the outer wall of the heating pipe and the inner wall of the sleeve, and two ends of the heating pipe are connected with the end covers respectively.

Further, the outer wall of the shell is provided with an insulating layer.

Furthermore, a spiral pipe is wound in the heat-insulating layer, and the two ends of the spiral pipe extend out of the heat-insulating layer.

Furthermore, both ends of the heating pipe penetrate through the corresponding end covers and extend out of the end covers.

Furthermore, the sleeve is provided with a plurality of heating pipes, the heating pipes are distributed in an axial array mode according to the axis of the shell, and the heating pipes penetrate through the sleeve.

Furthermore, a spoiler is arranged on the inner wall of the sleeve.

According to the technical scheme, compare with prior art, the utility model provides a synthetic tail gas heater is through at inside sleeve pipe and the heating pipe of setting up of casing to wear to establish the sheathed tube inside with the heating pipe, form the clearance between sleeve pipe and heating pipe, when letting in the synthetic tail gas that will wait to heat to the casing in, the synthetic tail gas that waits to heat flows through the clearance between sleeve pipe and the heating pipe, solves traditional synthetic tail gas that treats the heating through a heating chamber and heats and to have heating efficiency low, the inhomogeneous problem of heating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a synthetic tail gas heater provided by the present invention;

fig. 2 is a sectional view taken along the direction a-a in fig. 1 according to the present invention.

Wherein: 1 is a shell; 2 is a sleeve; 3 is a heating pipe; 4 is an end cover; 5 is an air inlet pipe; 6, an air outlet pipe; 7 is a first supporting plate; 8 is a second support plate; 9 is a first cavity; 10 is a second cavity; 11 is a third cavity; 12 is a heat-insulating layer; 13 is a spiral pipe.

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 and 2, an embodiment of the present invention discloses a synthetic tail gas heater, including: a housing 1, a sleeve 2 and a heating tube 3.

Both ends of the shell 1 are provided with end covers 4, one end cover 4 is provided with an air inlet pipe 5, the other end cover 4 is provided with an air outlet pipe 6, a first supporting plate 7 and a second supporting plate 8 are arranged in the shell 1, and the first supporting plate 7 and the second supporting plate 8 divide the inside of the shell 1 into a first cavity 9, a second cavity 10 and a third cavity 11.

The sleeve 2 is arranged in the second cavity 10, two ends of the sleeve 2 are respectively connected with the first supporting plate 7 and the second supporting plate 8, and the sleeve 2 is used for communicating the first cavity 9 and the third cavity 11.

The heating pipe 3 is arranged inside the sleeve 2 in a penetrating mode, a gap exists between the outer wall of the heating pipe 3 and the inner wall of the sleeve 2, two ends of the heating pipe 3 are connected with the end covers 4 respectively, and the heating pipe 3 is a stainless steel electric heating pipe, a quartz electric heating pipe, a halogen electric heating pipe or a carbon fiber heating pipe.

In the present embodiment, the plurality of sleeves 2 are provided, the plurality of heating pipes 3 are arranged in an axial array with respect to the axis of the housing 1, and the heating pipe 3 is inserted into each sleeve 2. The first cavity 9 and the first supporting plate 7 are arranged to uniformly distribute the synthetic tail gas to be heated, which is introduced through the air inlet pipe 5, into the sleeves 2, and the synthetic tail gas to be heated enters the third cavity 11 from the gap between the heating pipe 3 and the sleeve 2 and is finally discharged through the air outlet pipe 6.

In the above-mentioned embodiment, because when heating pipe 3 treats the synthetic tail gas of heating and heats, can produce the heat on the outer wall of casing 1, based on this, outer wall at casing 1 sets up heat preservation 12, around being equipped with spiral pipe 13 in the heat preservation 12, heat preservation 12 all extends out at the both ends of spiral pipe 13, the heat that utilizes the outer wall of casing 1 can preheat the water in the spiral pipe 13, and heat preservation 12 can select to be sponge or foam, setting through heat preservation 12, the heat that can slow down casing 1 scatters and disappears, and then improve the thermal utilization ratio of casing 1.

In the above embodiment, because there is the link setting of heating pipe 3 in the prior art in the inside of casing 1, and the exhaust tail gas of chemical plant generally has certain corrosivity, lead to the electrical components at heating pipe 3 both ends to cause the damage, there is certain electric leakage risk as of a long time, the life of heating pipe 3 has also been reduced simultaneously, based on this, all run through corresponding end cover 4 and extend outside end cover 4 through the both ends with heating pipe 3 in this embodiment, set up the electrical components of heating pipe 3 tip outside casing 1, and then avoid heating pipe 3 tip to receive the corruption of synthetic tail gas, thereby improve the life-span of heating pipe 3 and the security of synthetic tail gas heater.

According to the utility model discloses a some embodiments are provided with the spoiler on the inner wall of sleeve pipe 2 (do not mark in the picture), and the spoiler sets up the bellying at the sleeve pipe 2 inner wall for the interval, also can directly be provided with spiral duct with the inner wall of sleeve pipe 2, can delay the synthetic tail gas of treating the heating and flow through the rate in

sleeve pipe

2 and 3 clearances of heating pipe through the setting of spoiler, and then improve the heating efficiency of treating the synthetic tail gas of heating.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A synthetic tail gas heater, comprising:

the heating pipe penetrates through the inner part of the sleeve, a gap exists between the outer wall of the heating pipe and the inner wall of the sleeve, and two ends of the heating pipe are connected with the end covers respectively.

2. The synthetic tail gas heater of claim 1 wherein the outer wall of the housing is provided with insulation.

3. The synthetic tail gas heater of claim 2, wherein a spiral pipe is wound in the insulating layer, and the insulating layer extends from both ends of the spiral pipe.

4. The synthetic tail gas heater of claim 1 wherein both ends of the heater tube extend through the respective end cap and out of the end cap.

5. A synthetic exhaust gas heater according to claim 1, wherein the sleeve is provided with a plurality of heating pipes arranged in an axial array around the axis of the housing, and the heating pipes are provided in the sleeve.

6. The synthetic tail gas heater of claim 1 wherein the inner wall of the sleeve is provided with a baffle.