CN216523245U

CN216523245U - Heat exchange pipeline for chemical industry

Info

Publication number: CN216523245U
Application number: CN202123308419.8U
Authority: CN
Inventors: 韦方红
Original assignee: Jiangsu Xinfu Power Technology Co ltd
Current assignee: Jiangsu Xinfu Power Technology Co ltd
Priority date: 2021-12-26
Filing date: 2021-12-26
Publication date: 2022-05-13
Anticipated expiration: 2031-12-26

Abstract

The utility model discloses a heat exchange pipeline for chemical engineering, which comprises an outer pipe and an inner pipe, wherein the inner pipe is arranged inside the outer pipe, an air inlet pipe and an air outlet pipe are respectively arranged at two ends of the outer pipe, a heat exchange mechanism is arranged inside the inner pipe, the heat exchange mechanism comprises a core pipe, the core pipe is arranged inside the inner pipe, a plurality of heat conducting pieces are uniformly distributed on the outer wall of the core pipe, and one end, far away from the core pipe, of each heat conducting piece is fixedly connected to the inner wall of the inner pipe. According to the utility model, the heat exchange mechanism is arranged, the low-temperature cooling liquid is injected into the outer pipe through the liquid inlet pipe, the high-heat chemical tail gas enters the outer pipe from the air inlet pipe and exchanges heat with the heat exchange mechanism, the plurality of partition plates are arranged on the inner wall of the core pipe of the heat exchange mechanism, so that the high-heat chemical tail gas can stay in the core pipe for a long time, the heat exchange efficiency is improved, the cooling liquid and the chemical tail gas after heat exchange are respectively discharged from the liquid discharge pipe and the gas outlet pipe, the structure is simple, and the operation is easy.

Description

Heat exchange pipeline for chemical industry

Technical Field

The utility model relates to the technical field of heat exchange pipes, in particular to a heat exchange pipeline for chemical engineering.

Background

The heat exchange tube is one of the elements of the heat exchanger, is arranged in the cylinder and is used for exchanging heat between two media. Has high thermal conductivity and good isothermal property. It is a device that can rapidly transfer heat energy from one point to another with little heat loss, and is therefore called a heat-transfer superconductor, which has a thermal conductivity several thousand times that of copper.

In the chemical production process, high-heat chemical tail gas is often generated, and if the chemical tail gas is directly discharged into the air, the environment is seriously polluted, and the health of human beings, animals and plants is also harmed; if the high-heat chemical tail gas is directly treated, the treatment process is complex and inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a heat exchange pipeline for chemical engineering.

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

the utility model provides a heat transfer pipeline for chemical industry, includes outer tube and inner tube, the inner tube sets up the inside at the outer tube, the both ends of outer tube are equipped with intake pipe and outlet duct respectively, the inside of inner tube is equipped with heat transfer mechanism, heat transfer mechanism includes the core pipe, the core pipe sets up the inside at the inner tube, and the outer wall evenly distributed of core pipe has a plurality of heat conduction pieces, the one end fixed connection that the heat conduction piece kept away from the core pipe is on the inner wall of inner tube.

Preferably, the cross-section of heat-conducting piece is V-arrangement, the inner wall equidistance of core pipe is equipped with a plurality of baffles, and a plurality of baffles are crisscross setting, two leave the gap between the baffle.

Preferably, the both ends of inner tube all fixedly connected with first connecting plate, the intake pipe all is equipped with the second connecting plate with the one side that the outlet duct is close to mutually, through a plurality of bolt threaded connection between first connecting plate and the second connecting plate.

Preferably, the air inlet pipe and the air outlet pipe are provided with filter screens on one sides close to the outer pipe, and the diameters of the filter screens and the core pipe are the same.

Preferably, the top of outer tube is equipped with the feed liquor pipe, and the bottom of outer tube is equipped with the fluid-discharge tube.

Preferably, the bottom of the outer pipe and the liquid discharge pipe are symmetrically provided with a sewage discharge pipe, and the sewage discharge pipe is positioned under the liquid inlet pipe.

Compared with the prior art, the utility model has the beneficial effects that: through setting up heat transfer mechanism, microthermal coolant liquid is injected into the inside of outer tube by the inlet pipe, high-heat-quantity chemical industry tail gas gets into in the outer tube and carries out the heat transfer with heat transfer mechanism from the intake pipe, and heat transfer mechanism's core pipe inner wall sets up a plurality of baffles, make high-heat chemical industry tail gas can be long at the intraductal dwell time of core, improved heat exchange efficiency, coolant liquid and chemical industry tail gas after the heat transfer are discharged respectively from fluid-discharge tube and outlet duct, moreover, the steam generator is simple in structure, and the operation is easy.

Drawings

Fig. 1 is a schematic structural diagram of a chemical heat exchange pipeline according to the present invention;

FIG. 2 is an expanded view of the structure of FIG. 1;

FIG. 3 is a cross-sectional view showing the inner tube in the present invention;

fig. 4 is a longitudinal structural sectional view of the inner tube in the present invention.

In the figure: 1. an outer tube; 2. a first connecting plate; 3. a liquid inlet pipe; 4. a liquid discharge pipe; 5. a blow-off pipe; 6. a second connecting plate; 7. an air inlet pipe; 8. an air outlet pipe; 9. a bolt; 10. an inner tube; 11. a filter screen; 12. a heat conductive member; 13. a core tube; 14. a separator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a heat exchange pipeline for chemical engineering, includes an outer pipe 1 and an inner pipe 10, the inner pipe 10 is arranged inside the outer pipe 1, two ends of the outer pipe 1 are respectively provided with an air inlet pipe 7 and an air outlet pipe 8, and a heat exchange mechanism is arranged inside the inner pipe 10.

The heat exchange mechanism comprises a core pipe 13, the core pipe 13 is arranged inside the inner pipe 10, a plurality of heat conducting pieces 12 are uniformly distributed on the outer wall of the core pipe 13, one end, far away from the core pipe 13, of each heat conducting piece 12 is fixedly connected to the inner wall of the inner pipe 10, the cross section of each heat conducting piece 12 is in a V shape, a plurality of partition plates 14 are arranged on the inner wall of the core pipe 13 at equal intervals, the partition plates 14 are arranged in a staggered mode, and gaps are reserved between the two partition plates 14. High thermal chemical industry tail gas gets into the heat transfer mechanism of outer tube 1 by intake pipe 7 in, chemical industry tail gas gets into heat transfer mechanism's core pipe 13 back, makes chemical industry tail gas can reserve a period more in core pipe 13 through the baffle 14 that sets up, and the heat that it carried is derived to the inner tube 10 in by the heat-conducting part 12 of core pipe 13 outer wall.

The equal first connecting plate 2 of fixedly connected with in both ends of inner tube 10, one side that intake pipe 7 and outlet duct are close to mutually all is equipped with second connecting plate 6, through 9 threaded connection of a plurality of bolts between first connecting plate 2 and the second connecting plate 6, one side that intake pipe 7 and outlet duct 8 are close to outer tube 1 all is equipped with filter screen 11, and filter screen 11 is the same with the diameter of core pipe 13, the top of outer tube 1 is equipped with feed liquor pipe 3, and the bottom of outer tube 1 is equipped with fluid-discharge tube 4, the bottom of outer tube 1 is equipped with blow off pipe 5 with 4 symmetries of fluid-discharge tube, and blow off pipe 5 is located feed liquor pipe 3 under. The low-temperature cooling liquid is injected into the liquid inlet pipe 3 and falls on the outer wall of the inner pipe 10, heat conducted out of the inner pipe 10 is taken away for heat exchange, and the cooling liquid after heat exchange is discharged through the liquid discharge pipe 4; the arranged drain pipe 5 can discharge the residual cooling liquid in the outer pipe 1, so as to avoid accumulation in the outer pipe 1; set up filter screen 11 on intake pipe 7 and outlet duct 8, can filter the dust that contains in the chemical tail gas, avoid the dust to discharge to outdoor the pollution that causes.

According to the utility model, high-heat chemical tail gas enters a heat exchange mechanism of an outer pipe 1 through an air inlet pipe 7, after the chemical tail gas enters a core pipe 13 of the heat exchange mechanism, the chemical tail gas can be stored in the core pipe 13 for a period of time through an arranged partition plate 14, heat carried by the chemical tail gas is led out to an inner pipe 10 through a heat conducting piece 12 on the outer wall of the core pipe 13, low-temperature cooling liquid is injected into a liquid inlet pipe 3 and falls on the outer wall of the inner pipe 10, heat led out from the inner pipe 10 is taken away for heat exchange, and the cooling liquid after heat exchange is discharged through a liquid discharge pipe 4.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a heat exchange pipeline for chemical industry, includes outer tube (1) and inner tube (10), its characterized in that, inner tube (10) set up the inside at outer tube (1), the both ends of outer tube (1) are equipped with intake pipe (7) and outlet duct (8) respectively, the inside of inner tube (10) is equipped with heat transfer mechanism, heat transfer mechanism includes core pipe (13), core pipe (13) set up the inside at inner tube (10), and the outer wall evenly distributed of core pipe (13) has a plurality of heat conduction pieces (12), the one end fixed connection that core pipe (13) were kept away from in heat conduction piece (12) is on the inner wall of inner tube (10).

2. A heat exchange pipe for chemical industry according to claim 1, characterized in that the cross section of the heat conducting member (12) is V-shaped, the inner wall of the core pipe (13) is provided with a plurality of partition plates (14) at equal intervals, and the plurality of partition plates (14) are staggered, and a gap is left between two partition plates (14).

3. The heat exchange pipeline for the chemical industry according to claim 1, characterized in that both ends of the inner pipe (10) are fixedly connected with a first connecting plate (2), one side of the air inlet pipe (7) close to the air outlet pipe is provided with a second connecting plate (6), and the first connecting plate (2) and the second connecting plate (6) are in threaded connection through a plurality of bolts (9).

4. The heat exchange pipeline for the chemical industry according to claim 3, wherein one side of the air inlet pipe (7) and one side of the air outlet pipe (8) close to the outer pipe (1) are both provided with a filter screen (11), and the diameters of the filter screen (11) and the core pipe (13) are the same.

5. The heat exchange pipeline for chemical industry according to claim 4, characterized in that the top of the outer pipe (1) is provided with a liquid inlet pipe (3), and the bottom of the outer pipe (1) is provided with a liquid outlet pipe (4).

6. The heat exchange pipeline for the chemical industry according to claim 5, characterized in that a drain pipe (5) is symmetrically arranged at the bottom of the outer pipe (1) and the liquid discharge pipe (4), and the drain pipe (5) is positioned right below the liquid inlet pipe (3).