CN211451961U - Waste gas and waste heat recovery heat exchanger - Google Patents
Waste gas and waste heat recovery heat exchanger Download PDFInfo
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- CN211451961U CN211451961U CN201922341991.0U CN201922341991U CN211451961U CN 211451961 U CN211451961 U CN 211451961U CN 201922341991 U CN201922341991 U CN 201922341991U CN 211451961 U CN211451961 U CN 211451961U
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Abstract
The utility model discloses a waste gas and waste heat recovery heat exchanger, which comprises a waste gas heat exchanger main body, a sealing cover, an exhaust fan, a temperature sensor, an exhaust fan regulator and a heat exchanger shell, wherein the waste gas heat exchanger main body consists of a main intake pipe, heat exchange pipes and a main exhaust pipe, the number of the heat exchange pipes is not less than three, the two ends of the heat exchange pipes are respectively gathered on the main intake pipe and the main exhaust pipe, the middle part of the heat exchange pipe positioned in the middle is in a continuous S shape, the two ends of the heat exchange pipes are bent, the temperature sensor is arranged on the inner wall of the main exhaust pipe, the waste gas heat exchanger main body is arranged in the heat exchanger shell, the main intake pipe and the main exhaust pipe both extend out of the heat exchanger shell, the exhaust fan is arranged on the main exhaust pipe through screws, the utility model, the overall heat exchange efficiency of the device can be effectively improved.
Description
Technical Field
The utility model relates to a heat exchanger technical field specifically is a waste gas waste heat recovery heat exchanger.
Background
Heat exchangers (also known as heat exchangers or heat exchange devices) are devices used to transfer heat from a hot fluid to a cold fluid to meet specified process requirements, and are an industrial application of convective and conductive heat transfer. Heat exchangers can be classified in different ways. The operation process can be divided into three categories of dividing wall type, mixed type and heat accumulating type (or called regenerative type); the degree of compactness of the surface thereof can be classified into two types, compact and non-compact.
When the existing heat exchanger for recovering waste gas heat is used, the problem of low heat exchange efficiency is caused because the waste gas passing speed is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waste gas waste heat recovery heat exchanger to solve the heat exchanger that is used for waste gas heat recovery among the prior art when using, because waste gas passes through speed very fast, cause the problem that heat exchange efficiency is high inadequately.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waste gas waste heat recovery heat exchanger, includes waste gas heat exchanger main part, sealed lid, exhaust fan, temperature sensor, exhaust fan regulator and heat exchanger shell, waste gas heat exchanger main part comprises main intake pipe, heat exchange tube and main exhaust pipe, three are no less than to the quantity of heat exchange tube, and on the both ends of heat exchange tube gathered main intake pipe and main exhaust pipe respectively, be located the centre the middle part of heat exchange tube is continuous S shape, all the other the heat exchange tube both ends are crooked, temperature sensor installs on the inner wall of main exhaust pipe, waste gas heat exchanger main part installs the inside at the heat exchanger shell, main intake pipe and main exhaust pipe all extend the heat exchanger shell, exhaust fan passes through the screw and installs on the main exhaust pipe.
Preferably, the exhaust fan regulator is fixedly installed on the surface of the heat exchanger shell through screws, and the exhaust fan regulator is electrically connected with the exhaust fan and the temperature sensor through leads respectively, and the exhaust fan regulator consists of a computer and an input keyboard.
Preferably, a sealing ring is installed at the connecting part of the main air inlet pipe and the heat exchanger shell.
Preferably, the surface of the main air inlet pipe is provided with threads, the sealing cover is sleeved on the surface of the main air inlet pipe and fixes the sealing ring, and the sealing cover is in threaded connection with the main air inlet pipe.
Preferably, a water injection port is arranged at the upper part of one side of the outer surface of the heat exchanger shell, and a water discharge port is arranged at the lower part of the other side of the outer surface of the heat exchanger shell.
Compared with the prior art, the beneficial effects of the utility model are that: the inside cooling water that adds of heat exchanger shell, through exhaust fan operation and produce the negative pressure in waste gas heat exchanger main part inside, thereby inhale waste gas inside waste gas heat exchanger main part, waste gas is getting into waste gas heat exchanger main part inside back, the exhaust gas that becomes one share can be cut apart into more tiny air current and pass through the heat exchange tube, discharge from exhaust fan department at last, because whole share of waste gas is cut apart into a plurality of littleer air current, this makes the radiating efficiency of waste gas heat exchanger main part higher, can detect the temperature that waste gas inhales waste gas heat exchanger main part exhaust waste gas through setting up the inside temperature sensor of main exhaust pipe, if the temperature is higher, exhaust fan regulator then can automatic reduction exhaust fan's rotational speed, thereby prolong the time that waste gas is detained in waste gas heat exchanger main part inside.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the heat exchange tube structure of the present invention;
fig. 3 is a schematic view of a partial structure at a.
In the figure: 1. an exhaust gas heat exchanger body; 2. a sealing cover; 3. a thread; 4. a seal ring; 5. a water injection port; 6. an exhaust fan; 7. a water outlet; 8. a main air inlet pipe; 9. a heat exchange pipe; 10. a main exhaust pipe; 11. a temperature sensor; 12. an exhaust fan regulator; 13. a heat exchanger housing.
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, 2 and 3, in an embodiment of the present invention, an exhaust gas and waste heat recovery heat exchanger includes an exhaust gas heat exchanger body 1, a sealing cover 2, an exhaust fan 6, a temperature sensor 11, an exhaust fan regulator 12 and a heat exchanger housing 13, wherein the exhaust gas heat exchanger body 1 is composed of a main air inlet pipe 8, heat exchange pipes 9 and a main exhaust pipe 10, the number of the heat exchange pipes 9 is not less than three, and the two ends of the heat exchange pipe 9 are respectively gathered on the main air inlet pipe 8 and the main exhaust pipe 10, the middle part of the heat exchange pipe 9 positioned in the middle is in a continuous S shape, the other heat exchange pipes 9 are bent at two ends, the temperature sensor 11 is installed on the inner wall of the main exhaust pipe 10, the waste gas heat exchanger body 1 is installed inside a heat exchanger shell 13, the main air inlet pipe 8 and the main exhaust pipe 10 both extend out of the heat exchanger shell 13, and the exhaust fan 6 is installed on the main exhaust pipe 10 through screws.
Referring to fig. 1 and 3, the exhaust fan regulator 12 is fixedly mounted on the surface of the heat exchanger housing 13 by screws, and the exhaust fan regulator 12 is electrically connected to the exhaust fan 6 and the temperature sensor 11 by wires, respectively, and the exhaust fan regulator 12 is composed of a computer and an input keyboard.
Referring to fig. 1, a seal ring 4 is installed at a connection portion of a main air inlet pipe 8 and a heat exchanger shell 13, a thread 3 is arranged on the surface of the main air inlet pipe 8, a seal cover 2 is sleeved on the surface of the main air inlet pipe 8 and fixes the seal ring 4, and the seal cover 2 is in threaded connection with the main air inlet pipe 8.
Referring to fig. 1, a water inlet 5 is formed at an upper portion of one side of an outer surface of a heat exchanger case 13, and a water outlet 7 is formed at a lower portion of the other side of the outer surface of the heat exchanger case 13.
The utility model discloses a theory of operation and use flow: when the utility model is used, cooling water is firstly added into the heat exchanger shell 13, the exhaust fan 6 is operated to generate negative pressure in the waste gas heat exchanger main body 1, so that the exhaust gas is sucked into the interior of the exhaust gas heat exchanger main body 1, and after the exhaust gas enters the interior of the exhaust gas heat exchanger main body 1, the exhaust gas is divided into smaller streams and passes through the heat exchange pipe 9, and finally is discharged from the exhaust fan 6, since the entire exhaust gas is divided into several smaller streams, this makes the exhaust gas heat exchanger body 1 more efficient in heat dissipation, the temperature of the exhaust gas sucked into and discharged from the exhaust gas heat exchanger body 1 can be detected by the temperature sensor 11 provided in the main exhaust pipe 10, and if the temperature is high, the exhaust fan governor 12 automatically reduces the rotation speed of the exhaust fan 6, thereby prolonging the time during which the exhaust gas stays in the exhaust gas heat exchanger body 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An exhaust gas and waste heat recovery heat exchanger comprising an exhaust gas heat exchanger main body (1), a sealing cover (2), an exhaust fan (6), a temperature sensor (11), an exhaust fan regulator (12) and a heat exchanger housing (13), characterized in that: waste gas heat exchanger main part (1) comprises main intake pipe (8), heat exchange tube (9) and main exhaust pipe (10), three are no less than in the quantity of heat exchange tube (9), and the both ends of heat exchange tube (9) are gathered respectively on main intake pipe (8) and main exhaust pipe (10), lie in the centre the middle part of heat exchange tube (9) is continuous S shape, all the other heat exchange tube (9) both ends are crooked, temperature sensor (11) are installed on the inner wall of main exhaust pipe (10), the inside at heat exchanger shell (13) is installed in waste gas heat exchanger main part (1), heat exchanger shell (13) all extends in main intake pipe (8) and main exhaust pipe (10), exhaust fan (6) are installed on main exhaust pipe (10) through the screw.
2. The exhaust gas waste heat recovery heat exchanger according to claim 1, characterized in that: the exhaust fan adjuster (12) is fixedly installed on the surface of the heat exchanger shell (13) through screws, the exhaust fan adjuster (12) is electrically connected with the exhaust fan (6) and the temperature sensor (11) through leads respectively, and the exhaust fan adjuster (12) is composed of a computer and an input keyboard.
3. The exhaust gas waste heat recovery heat exchanger according to claim 1, characterized in that: and a sealing ring (4) is arranged at the connecting part of the main air inlet pipe (8) and the heat exchanger shell (13).
4. An exhaust gas waste heat recovery heat exchanger according to claim 3, characterized in that: the improved air inlet pipe is characterized in that threads (3) are arranged on the surface of the main air inlet pipe (8), the sealing cover (2) is sleeved on the surface of the main air inlet pipe (8) and fixes the sealing ring (4), and the sealing cover (2) is in threaded connection with the main air inlet pipe (8).
5. The exhaust gas waste heat recovery heat exchanger according to claim 1, characterized in that: and a water injection port (5) is arranged at the upper part of one side of the outer surface of the heat exchanger shell (13), and a water outlet (7) is arranged at the lower part of the other side of the outer surface of the heat exchanger shell (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922341991.0U CN211451961U (en) | 2019-12-24 | 2019-12-24 | Waste gas and waste heat recovery heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922341991.0U CN211451961U (en) | 2019-12-24 | 2019-12-24 | Waste gas and waste heat recovery heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211451961U true CN211451961U (en) | 2020-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922341991.0U Active CN211451961U (en) | 2019-12-24 | 2019-12-24 | Waste gas and waste heat recovery heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211451961U (en) |
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2019
- 2019-12-24 CN CN201922341991.0U patent/CN211451961U/en active Active
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