CN217785911U

CN217785911U - Indirect quenching heat exchanger for high-temperature gas

Info

Publication number: CN217785911U
Application number: CN202220355721.4U
Authority: CN
Inventors: 于成春; 张跟东; 王平; 章森彪; 蔺晓春
Original assignee: Tianjin Shengcheng Environment Technology Development Co ltd
Current assignee: Tianjin Shengcheng Environment Technology Development Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-11-11
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a high-temperature gas's indirect rapid cooling heat transfer device, which comprises a housin, the casing comprises first curb plate, second curb plate, third curb plate and fourth curb plate, and casing top and bottom have seted up the blow vent, and inside is equipped with the heat transfer slab, the spacing groove has been seted up on first curb plate and curb plate surface for fixed heat transfer slab, heat transfer slab top fairlead, casing top are provided with first collection case, and the casing bottom is provided with the second collection case, and the fairlead links to each other with first collection case to link to each other with the outer medium that supplies through first collection case. The utility model discloses high-temperature gas's indirect rapid cooling heat transfer device can set up slab and interval size according to the big or small demand of heat transfer volume for adjust high temperature flue gas volume and circulation water yield, and then guarantee that the flue gas temperature drop accords with the requirement of rapid cooling standard, this structure is fit for the cooling of high temperature flue gas, and easily promotes and uses.

Description

Indirect quenching heat exchanger for high-temperature gas

Technical Field

The utility model relates to a danger flue gas waste rapid cooling technical field, in particular to high-temperature gas's indirect rapid cooling heat transfer device.

Background

The existing quenching mode is all direct heat exchange, namely atomized water and flue gas directly exchange heat to reduce the temperature of the flue gas.

The common quenching heat exchange device has the following defects: 1. the velocity of flow of uncontrollable cooling medium to make the adjustment to extremely cold performance, 2, heat transfer mechanism surface can the sticky dust scale deposit in long-time use, influence heat exchange efficiency, 3, the quench mode of taking now is direct heat transfer entirely, with atomizing water and direct heat transfer of flue gas promptly, produces various sour during the quench heat transfer, can corrode seriously follow-up equipment, influences whole equipment continuous steady operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides high-temperature gas's indirect rapid cooling heat transfer device, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the indirect quenching heat exchange device for the high-temperature gas comprises a shell, wherein the shell is composed of a first side plate, a second side plate, a third side plate and a fourth side plate, vent holes are formed in the top and the bottom of the shell, heat exchange plate sheets are arranged inside the shell, limiting grooves are formed in the surfaces of the first side plate and the side plates and used for fixing the heat exchange plate sheets, a leading-out pipe is arranged at the top of each heat exchange plate sheet, a first header is arranged at the top of the shell, a second header is arranged at the bottom of the shell, and the leading-out pipe is connected with the first header and is connected with an external supply medium through the first header.

Further, the heat exchange plate is used for heat exchange and cooling of high-temperature flue gas, and the heat exchange plate is a special welding forming box body, so that a regular circulation channel is formed, and flowing media can circulate conveniently.

Furthermore, the heat exchange plates form channels with the same interval according to different flue gas characteristic flows so as to ensure the circulation of the flue gas.

Further, the bottom of the heat exchange plate is connected with the second header through a short pipe, and the heat exchange plate is made of different stainless steel materials according to different smoke characteristics.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up the heat transfer slab, the heat transfer slab side surface is indirect heat transfer face, and in the use, personnel can be according to the heat transfer demand, manual or automatic control heat transfer coolant's flow to control flue gas cooling temperature, in order to satisfy heat transfer rapid cooling demand.

2. Through setting up the heat transfer board piece, the heat transfer board piece is made by different stainless steel according to the characteristic of flue gas, can effectively reduce the dust deposition scale deposit condition, and the heat transfer effect can satisfy the rapid cooling requirement.

3. Through setting up indirect heat transfer face, when using, personnel can fix this device in the assigned position, and be connected the heat transfer face of heat transfer slab with corresponding the pipeline, when needs during operation, the gas inlet entering casing can be followed to the flue gas, and external equipment can make the low temperature medium flow in the heat transfer slab, thereby make the low temperature medium can absorb the heat in the flue gas, in order to accomplish heat transfer quenching operation, this device is when the heat transfer, the low temperature medium is direct not to carry out the heat transfer with the flue gas, thereby prevent to produce various sour, the corruption of alkali, in order to guarantee the steady operation of follow-up equipment.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the indirect quenching heat exchanger for high-temperature gas of the present invention.

Fig. 2 is a schematic view of the shell structure of the indirect quenching heat exchanger for high-temperature gas of the present invention.

Fig. 3 is a schematic structural diagram of the heat exchange plate of the indirect quenching heat exchange device for high-temperature gas of the present invention.

In the figure: 1. a first side plate; 2. a second side plate; 3. a third side plate; 4. a fourth side plate; 5. a heat exchange plate; 6. a lead-out pipe; 7. a first header; 8. a short pipe 2; 9. a second header; 10. a vent; 11. a housing.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, the indirect quenching heat exchanger for high-temperature gas includes a housing 11, where the housing 11 is composed of a first side plate 1, a second side plate 2, a third side plate 3, and a fourth side plate 4, ventilation holes 10 are opened at the top and bottom of the housing 11, heat exchange plates 5 are arranged inside the housing, spacing grooves are opened on the surfaces of the first side plate 1 and the side plate 2 for fixing the heat exchange plates 5, a top outlet pipe 6 of the heat exchange plates 5 is provided at the top of the housing 11, a first header 7 is provided at the top of the housing 11, a second header 9 is provided at the bottom of the housing 11, the outlet pipe 6 is connected to the first header 7, and is connected to an external medium through the first header 7.

The heat exchange plate 5 is used for heat exchange and cooling of high-temperature flue gas, and the heat exchange plate 5 is a special welding forming box body, so that a regular circulation channel is formed, and flowing media can circulate conveniently.

In this embodiment, as shown in fig. 1, the top or the side of the heat exchange surface of the heat exchange plate 5 is provided with an outlet pipe, which is shown in the figure, and the outlet pipe 6 is connected to the first header 7 and is connected to an external medium through the first header 7.

The heat exchange plates 5 form channels with the same interval according to different flue gas characteristic flows so as to ensure the circulation of flue gas.

In this embodiment, as shown in fig. 1, the heat exchange plate 5 is fixed at a designated position of the first side plate and the second side plate of the device housing.

The bottom of the heat exchange plate 5 is connected with the second header 9 through a short pipe 8, and the heat exchange plate 5 is made of different stainless steel materials according to different flue gas characteristics.

In this embodiment, as shown in fig. 2, the heat exchange plates 5 are located in the housing 11, and the top and the bottom of the housing 11 form air vents 10 for connecting the heat exchange plates with external pipes.

It should be noted that the utility model discloses a high-temperature gas's indirect rapid cooling heat transfer device, the during operation, personnel can fix this device in the assigned position to be connected wholly with corresponding the pipeline, connect external pipeline afterwards, and then make whole rapid cooling heat transfer device satisfy rapid cooling heat transfer demand, in order to guarantee that the rapid cooling index is up to standard. Next, when the device needs to work, the smoke can enter the first side plate-4 from the air inlet 10 and enter external equipment through the air vent through the heat exchange plate, so that the low-temperature medium can absorb heat in the high-temperature smoke to complete heat exchange operation, and next, the subsequent smoke can normally enter the subsequent equipment to normally work.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. High-temperature gas's indirect quenching heat transfer device, including casing (11), its characterized in that: casing (11) comprise first curb plate (1), second curb plate (2), third curb plate (3) and fourth curb plate (4), and casing (11) top and bottom seted up blow vent (10), and inside is equipped with heat transfer board piece (5), spacing groove has been seted up on first curb plate (1) and second curb plate (2) surface for fixed heat transfer board piece (5), heat transfer board piece (5) top outlet tube (6), casing (11) top are provided with first collection case (7), and casing (11) bottom is provided with second collection case (9), and outlet tube (6) link to each other with first collection case (7) to link to each other with the outer medium that supplies through first collection case (7).

2. An indirect quenching heat exchange device for high-temperature gas as claimed in claim 1, wherein: the heat exchange plate (5) is used for heat exchange and cooling of high-temperature flue gas, the heat exchange plate (5) is a special welding forming box body, a regular circulation channel is formed, and flowing media can circulate conveniently.

3. The indirect quenching heat exchange device for high-temperature gas according to claim 1, characterized in that: the heat exchange plates (5) form channels with the same interval according to different flue gas characteristic flows so as to ensure the circulation of flue gas.

4. The indirect quenching heat exchange device for high-temperature gas according to claim 1, characterized in that: the bottom of the heat exchange plate (5) is connected with the second header (9) through a short pipe (8), and the heat exchange plate (5) is made of different stainless steel materials according to different flue gas characteristics.