CN218155665U - Tail gas emission heat recycling device - Google Patents
Tail gas emission heat recycling device Download PDFInfo
- Publication number
- CN218155665U CN218155665U CN202222590666.XU CN202222590666U CN218155665U CN 218155665 U CN218155665 U CN 218155665U CN 202222590666 U CN202222590666 U CN 202222590666U CN 218155665 U CN218155665 U CN 218155665U
- Authority
- CN
- China
- Prior art keywords
- box body
- heat exchange
- cavity
- heat
- exchange tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a tail gas emission heat recycling device, which comprises a heat exchanger, an air inlet pipe, a heat recycling pipe and an outer exhaust pipe; the heat exchanger comprises a box body, a vertical clapboard, a heat exchange tube and a connecting tube; the box body comprises a plurality of box body cavities, and adjacent box body cavities are separated by vertical partition plates; a plurality of heat exchange tubes arranged in parallel are arranged in each box body cavity, and the inlet of the heat exchange tube in the last box body cavity is connected with an air inlet pipe; the outlet of the heat exchange tube in the cavity of the next box body is communicated with the inlet of the heat exchange tube in the cavity of the previous box body through a connecting tube; the outlet of the heat exchange tube in the cavity of the first box body is communicated with an outer steam discharge tube; an air inlet is formed in the first box body cavity, and air entering from the air inlet flows to the last box body cavity from the first box body cavity in sequence and is then utilized through the heat recycling pipe. The utility model discloses can increase heat conductor and gas area of contact, improve heat exchange efficiency.
Description
Technical Field
The utility model belongs to gaseous heat exchange field, concretely relates to exhaust emission heat recovery utilizes device.
Background
Industrial production often produces gas with heat energy, and if the gas is not processed well, a large amount of available heat energy is lost, and energy waste is caused. The tail gas (hot gas) is generally subjected to heat recovery and utilization by a heat exchange device. Heat exchange devices are devices that transfer the heat of one fluid to another fluid and are used in industrial processes in general, in all sectors of power, metallurgy, chemical engineering, petroleum, food, medicine, aerospace and other industries.
During the use of the existing gas heat exchange device, some disadvantages are found, such as: the internal structure is set unreasonable, the space utilization rate is low, the contact area of the heat conductor and the gas is small, the heat exchange efficiency is low, and the heat energy cannot be effectively utilized. How to improve the heat exchange efficiency of the heat exchanger and make the structure of the heat exchanger more compact is a hot research topic in the world. Such as: the patent with publication number CN215446723U is named as a heat exchange device and an air conditioner, the heat exchange is wound on the outer peripheral wall of an inner container of a water tank through a refrigerant pipe, so that the heat exchange is carried out with water in the inner container, the heat exchange area of the heat exchange device and the heat exchange area of the heat exchange device is only the outer peripheral wall of the inner container, the structure not only enables the heat exchange area to be small, but also enables the heat exchanger to be large in size, and the heat exchanger cannot be used industrially to recycle hot tail gas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can increase heat conductor and gas area of contact, improve heat exchange efficiency's exhaust emissions heat recovery utilizes device.
The utility model adopts the technical proposal that:
a tail gas emission heat recycling device comprises a heat exchanger, an air inlet pipe, a heat recycling pipe and an outer steam exhaust pipe;
the heat exchanger comprises a belt box body, a vertical partition plate, a heat exchange pipe and a connecting pipe;
the box body comprises a plurality of box body cavities, and adjacent box body cavities are separated by vertical partition plates;
a plurality of heat exchange tubes arranged in parallel are arranged in each box body cavity, the inlet of the heat exchange tube in the last box body cavity is connected with an air inlet pipe, and the air inlet pipe is communicated with a tail gas discharge pipe; from back to front, the outlet of the heat exchange tube in the cavity of the next box body is communicated with the inlet of the heat exchange tube in the cavity of the previous box body through a connecting tube; the outlet of the heat exchange tube in the cavity of the first box body is communicated with an outer steam discharge tube; an air inlet is formed in the first box body cavity, air entering from the air inlet flows to the last box body cavity from the first box body cavity in sequence, and then is recycled through the heat recycling pipe on the last box body cavity.
A tail gas emission heat recycling device comprises a heat exchanger, an air inlet pipe, a heat recycling pipe and an outer steam exhaust pipe;
the heat exchanger comprises a box body, a vertical partition plate, a heat exchange tube and a connecting shell;
the box body comprises a plurality of box body cavities, and adjacent box body cavities are separated by vertical partition plates;
a plurality of heat exchange tubes arranged in parallel are arranged in each box body cavity, the inlet of the heat exchange tube in the last box body cavity is connected with an air inlet pipe, and the air inlet pipe is communicated with a tail gas discharge pipe; from back to front, the outlet of the heat exchange tube in the cavity of the next box body is communicated with the inlet of the heat exchange tube in the cavity of the previous box body through the connecting shell, and the connecting shell and the box body form a communicated cavity; the outlet of the heat exchange tube in the cavity of the first box body is communicated with an outer steam discharge tube; an air inlet is formed in the first box body cavity, air entering from the air inlet flows to the last box body cavity from the first box body cavity in sequence, and then is recycled through the heat recycling pipe on the last box body cavity.
According to the scheme, two ends of the heat exchange tube in the cavity of each box body are respectively connected into a whole through the heat exchange tube fixing plate; the heat exchange tube fixing plate is fixed on the box body so as to be convenient to take out and install the heat exchange tube and improve the maintenance efficiency.
According to the scheme, the heat exchange tube fixing plates positioned at the two ends of the heat exchanger form the top and the bottom of the box body, so that the maintenance is convenient and the cost is saved.
According to the scheme, the vertical partition plate is provided with the through hole for air flowing so that air entering from the air inlet can flow to the last box cavity from the first box cavity in sequence.
According to the scheme, the vertical partition plate does not completely partition the adjacent box cavities, so that air entering from the air inlet sequentially flows to the last box cavity from the first box cavity.
According to the scheme, the cross section of the connecting shell is trapezoidal, so that the gas in the heat exchange tube can flow more smoothly.
According to the scheme, the connecting shell is detachably connected with the box body, so that the installation and the maintenance are convenient.
According to the scheme, the heat exchange tubes in the cavity of each box body penetrate through the top and the bottom of the box body so as to be connected conveniently.
The beneficial effects of the utility model reside in that:
the box body is divided into a plurality of box body cavities, a plurality of heat exchange tubes are arranged in each box body cavity in parallel, and each box body cavity is communicated, so that the contact area of air and the heat exchange tubes is increased, the air entering the box body is fully contacted with the heat exchange tubes, and the heat exchange efficiency is improved;
the space and the structure of the heat exchange device are optimized, and the problems of small contact area between a heat conductor and air and low heat exchange efficiency in the heat exchange device can be solved;
the plurality of heat exchange tubes are arranged in parallel in each box body cavity, so that the contact area of the heat exchange tube body and air is increased, and the heat exchange contact time is also increased, thereby improving the heat exchange efficiency;
the structure is simple and the realization is convenient;
the installation and maintenance are convenient, and the service life is further prolonged.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic view showing the structure of a heat recovery and utilization apparatus for exhaust gas emission in embodiment 1;
FIG. 2 is a schematic view showing the construction of a heat recovery and utilization apparatus for exhaust gas emissions in embodiment 2;
FIG. 3 is a schematic view showing a connection structure of a heat exchange tube fixing plate and a heat exchange tube in example 2;
fig. 4 is a schematic structural view of the exhaust gas heat recovery and utilization apparatus in embodiment 3.
In the figure: 1. a box body; 2. a first vertical partition; 3. a second vertical partition; 4. a first box cavity; 5. a second box cavity; 6. a third box cavity; 7. a heat exchange tube; 81. a first connection housing; 82. a second connection housing; 9. a heat exchange tube fixing plate; 10. an air inlet pipe; 11. an air inlet; 12. an outer steam discharge pipe; 13. a heat recovery utilization pipe; 14. first connecting pipe, 15, second connecting pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
Referring to fig. 1, a tail gas exhaust heat recycling device includes a heat exchanger, an air inlet pipe 10, a heat recycling pipe 13, and an outer steam exhaust pipe 12; the heat exchanger comprises a belt box body 1, a first vertical partition plate 2, a second vertical partition plate 3, a heat exchange pipe 7, a first connecting pipe 14 and a second connecting pipe 15. The box body 1 is divided into 3 box body cavities (namely a first box body cavity 4, a second box body cavity 5 and a third box body cavity 6) by a first vertical partition plate 2 and a second vertical partition plate 3; the first vertical partition board 2 and the second vertical partition board 3 are provided with through holes for air to flow.
A plurality of heat exchange tubes 7 which are arranged in parallel are arranged in each box body cavity, and the heat exchange tubes 7 in each box body cavity penetrate through the top and the bottom of the box body 1; the inlet of the heat exchange tube 7 of the third box body cavity 6 is connected with an air inlet pipe 10, and the air inlet pipe 10 is communicated with a tail gas discharge pipe; the outlet of the heat exchange tube 7 of the third tank cavity 6 is communicated with the inlet of the heat exchange tube 7 in the second tank cavity 5 through a second connecting tube 15, and the outlet of the heat exchange tube 7 of the second tank cavity 5 is communicated with the inlet of the heat exchange tube 7 in the first tank cavity 4 through a first connecting tube 14; the outlet of the heat exchange tube 7 in the first box body cavity 4 is communicated with an outer steam discharge tube 12; an air inlet 11 is formed in the first box body cavity 4, and air entering from the air inlet 11 flows through the second box body cavity 5 and the third box body cavity 6 from the first box body cavity 4 in sequence and then is recycled through a heat recycling pipe 13 on the third box body cavity 6.
Example 2
The difference from example 1 is:
referring to fig. 2 and 3, two ends of the heat exchange tube 7 in each box cavity are respectively connected into a whole through a heat exchange tube fixing plate 9; and the heat exchange tube fixing plate 9 is fixed on the box body 1. The heat exchange tube fixing plates 9 positioned at the two ends of the heat exchanger 7 respectively form the top and the bottom of the box body 1, namely the box body 1 can adopt a frame box body, so that the material is saved, and the installation of the heat exchange tubes is facilitated.
Example 3
Referring to fig. 4, a device for recycling heat discharged from exhaust gas includes a heat exchanger, an air inlet pipe 10, a heat recycling pipe 13, and an outer steam exhaust pipe 12; the heat exchanger comprises a belt box body 1, a first vertical partition plate 2, a second vertical partition plate 3, a heat exchange tube 7, a first connecting shell 81 and a second connecting shell 82. The box 1 is divided into 3 box cavities (namely a first box cavity 4, a second box cavity 5 and a third box cavity 6) through a first vertical partition plate 2 and a second vertical partition plate 3, and the first vertical partition plate 2 and the second vertical partition plate 3 do not completely separate the adjacent box cavities, so that air entering from an air inlet flows from the first box cavity 4, the second box cavity 5 and the third box cavity 6 in sequence.
A plurality of heat exchange tubes 7 which are arranged in parallel are arranged in each box body cavity, and the heat exchange tubes 7 in each box body cavity penetrate through the top and the bottom of the box body 1; the inlet of the heat exchange tube 7 of the third box body cavity 6 is connected with an air inlet pipe 10, and the air inlet pipe 10 is communicated with a tail gas discharge pipe; the outlet of the heat exchange tube 7 of the third tank cavity 6 communicates with the inlet of the heat exchange tube 7 in the second tank cavity 5 through a second connecting casing 82, and the outlet of the heat exchange tube 7 of the second tank cavity 5 communicates with the inlet of the heat exchange tube 7 in the first tank cavity 4 through a first connecting casing 81; the outlet of the heat exchange tube 7 in the first box body cavity 4 is communicated with an outer steam discharge tube 12; an air inlet 11 is formed in the first box body cavity 4, and air entering from the air inlet 11 flows through the second box body cavity 5 and the third box body cavity 6 from the first box body cavity 4 in sequence and is recycled through a heat recycling pipe 13 on the third box body cavity 6.
In this embodiment, the first connecting housing 81 and the second connecting housing 82 have trapezoidal cross sections, and are detachably connected to the box body 1.
The working principle is as follows: hot and humid air is firstly filled into the air inlet pipe 10, sequentially passes through the heat exchange pipe 7 of the third box body cavity 6, the heat exchange pipe 7 of the second box body cavity 5 and the heat exchange pipe 7 of the first box body cavity 4, and is finally discharged through the outer steam discharge pipe 12. Air needing heat exchange enters from the air inlet 11 and then sequentially passes through the first box body cavity 4, the second box body cavity 5 and the third box body cavity 6, and the air needing heat exchange is subjected to three-wheel heat exchange and then is discharged from the heat recycling pipe 13 on the third box body cavity 6. In the heat transfer process, cold air firstly exchanges heat with the inside of the first box cavity 4 with the lowest temperature, then enters the inside heat exchange that carries out of the second box cavity 5 with higher temperature, and finally exchanges heat through the inside of the third box cavity 6 with the highest temperature, and such structure can accomplish to heat energy make full use of, and simultaneously, in limited space, the increase heat transfer in-process steam and the area of contact of required heat transfer air improve heat exchange efficiency.
The utility model discloses a with exhaust emissions heat through recycle behind the heat exchange to the cold waste gas after will being exchanged is arranged outward, uses in hot exhaust emissions field, can the outer heat of arranging of a large amount of waste gas of recycle, energy-concerving and environment-protective.
It will be understood that modifications and variations are possible to those skilled in the art in light of the above teachings and that all such modifications and variations are considered to be within the purview of the invention as set forth in the appended claims.
Claims (9)
1. The utility model provides a heat recovery utilizes device of exhaust emissions which characterized in that: comprises a heat exchanger, an air inlet pipe, a heat recovery and utilization pipe and an outer steam discharge pipe;
the heat exchanger comprises a box body, a vertical partition plate, a heat exchange tube and a connecting tube;
the box body comprises a plurality of box body cavities, and adjacent box body cavities are separated by vertical partition plates;
a plurality of heat exchange tubes arranged in parallel are arranged in each box body cavity, the inlet of the heat exchange tube in the last box body cavity is connected with an air inlet pipe, and the air inlet pipe is communicated with a tail gas discharge pipe; from back to front, the outlet of the heat exchange tube in the cavity of the next box body is communicated with the inlet of the heat exchange tube in the cavity of the previous box body through a connecting tube; the outlet of the heat exchange tube in the cavity of the first box body is communicated with an outer steam discharge tube; an air inlet is formed in the first box body cavity, air entering from the air inlet flows to the last box body cavity from the first box body cavity in sequence, and then is recycled through the heat recycling pipe on the last box body cavity.
2. The utility model provides a heat recovery utilizes device of exhaust emissions which characterized in that: comprises a heat exchanger, an air inlet pipe, a heat recovery and utilization pipe and an outer steam discharge pipe;
the heat exchanger comprises a belt box body, a vertical partition plate, a heat exchange pipe and a connecting shell;
the box body comprises a plurality of box body cavities, and adjacent box body cavities are separated by vertical partition plates;
a plurality of heat exchange tubes arranged in parallel are arranged in each box body cavity, the inlet of the heat exchange tube in the last box body cavity is connected with an air inlet pipe, and the air inlet pipe is communicated with a tail gas discharge pipe; from back to front, the outlet of the heat exchange tube in the cavity of the next box body is communicated with the inlet of the heat exchange tube in the cavity of the previous box body through the connecting shell, and the connecting shell and the box body form a communicated cavity; the outlet of the heat exchange tube in the cavity of the first box body is communicated with an outer steam discharge tube; an air inlet is formed in the first box body cavity, air entering from the air inlet flows to the last box body cavity from the first box body cavity in sequence, and then is recycled through the heat recycling pipe on the last box body cavity.
3. The exhaust gas emission heat recovery and utilization device according to claim 1 or 2, wherein: two ends of the heat exchange tube in each box cavity are respectively connected into a whole through a heat exchange tube fixing plate; the heat exchange tube fixing plate is fixed on the box body.
4. The exhaust gas heat recovery and utilization device according to claim 3, characterized in that: heat exchange tube fixing plates at both ends of the heat exchanger form the top and bottom of the tank.
5. The exhaust gas emission heat recovery and utilization device according to claim 1 or 2, characterized in that: the vertical partition plate is provided with a through hole for air to flow.
6. The exhaust gas emission heat recovery and utilization device according to claim 1 or 2, characterized in that: the vertical partition plate does not completely separate the cavities of the adjacent box bodies.
7. The exhaust gas heat recovery and utilization device according to claim 2, characterized in that: the cross section of the connecting shell is trapezoidal.
8. The exhaust gas emission heat recovery and utilization device according to claim 7, wherein: the connecting shell is detachably connected with the box body.
9. The exhaust gas emission heat recovery and utilization device according to claim 1 or 2, characterized in that: the heat exchange tubes in the cavity of each box body penetrate through the top and the bottom of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222590666.XU CN218155665U (en) | 2022-09-29 | 2022-09-29 | Tail gas emission heat recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222590666.XU CN218155665U (en) | 2022-09-29 | 2022-09-29 | Tail gas emission heat recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218155665U true CN218155665U (en) | 2022-12-27 |
Family
ID=84565601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222590666.XU Active CN218155665U (en) | 2022-09-29 | 2022-09-29 | Tail gas emission heat recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218155665U (en) |
-
2022
- 2022-09-29 CN CN202222590666.XU patent/CN218155665U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202304507U (en) | Heat exchange device for waste heat recovery of setting machine in textile printing and dyeing mill | |
| CN218155665U (en) | Tail gas emission heat recycling device | |
| CN215675430U (en) | Environment-friendly energy-saving water treatment equipment | |
| CN211667845U (en) | Environment-friendly efficient gas boiler | |
| CN212692611U (en) | Pressurized air waste heat recovery system and air heat exchanger thereof | |
| CN201764867U (en) | Flue gas waste heat recovery device | |
| CN201382400Y (en) | Boiler heat exchanger | |
| CN202762110U (en) | Novel reboiler | |
| CN215929613U (en) | Waste heat recycling device | |
| CN214065809U (en) | Boiler is decided and is arranged waste heat recovery device even | |
| CN112097530A (en) | Novel preheated air heat exchanger | |
| CN220583159U (en) | Environment-friendly chemical gas waste heat recovery device | |
| CN219243549U (en) | Shell-and-plate steam generator for nuclear power | |
| CN2524196Y (en) | High-efficiency anode protection casing type concentrated sulfuric acid cooler | |
| CN216115581U (en) | Cooling water waste heat recovery device | |
| CN213609874U (en) | High-temperature gas-liquid medium cooling separation or cold medium heating device | |
| CN217154159U (en) | Boiler system | |
| CN212253329U (en) | EPS module forming waste heat recycling system | |
| CN210426165U (en) | High-efficient heat exchanger of cooling tower | |
| CN215373424U (en) | Waste heat recovery heat exchanger | |
| CN217498679U (en) | Reforming converter for skid-mounted methanol hydrogen production device | |
| CN217275657U (en) | Waste heat recovery system for gas thermal equipment | |
| CN219869237U (en) | High-efficiency shell-and-tube heat exchanger suitable for light hydrocarbon recovery process | |
| CN215810255U (en) | High-temperature solid metallurgy slag particle waste heat recovery device | |
| CN216815106U (en) | Multi-cavity heat exchange structure convenient to clean |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |