CN215638927U - Multistage heat transfer device of high-efficient heat transfer - Google Patents

Multistage heat transfer device of high-efficient heat transfer Download PDF

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Publication number
CN215638927U
CN215638927U CN202121701764.5U CN202121701764U CN215638927U CN 215638927 U CN215638927 U CN 215638927U CN 202121701764 U CN202121701764 U CN 202121701764U CN 215638927 U CN215638927 U CN 215638927U
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China
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heat exchange
pipe
rectangular
heat exchanger
heat transfer
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CN202121701764.5U
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Chinese (zh)
Inventor
刘翠琼
任远兵
曾荣
邹少华
潘紫贤
曾碧华
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Fujian Jiangnan Cooling Technology Co ltd
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Fujian Jiangnan Cooling Technology Co ltd
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Abstract

The utility model discloses a multistage heat exchange device for efficient heat exchange, which comprises a heat exchanger main body, wherein the heat exchanger main body is provided with an air inlet end and an air outlet end; the air inlet end and the air outlet end of the heat exchanger are respectively provided with an air reducer pipe, the air reducer pipe is provided with a small-diameter end and a large-diameter end, and the large-diameter end is connected with the air inlet end or the air outlet end; the gas reducing pipe comprises a sky circle place and a rectangular reducing pipe, and the rectangular end of the sky circle place is connected with the small-diameter part of the rectangular reducing pipe; and an access hole is formed on the outer circumferential surface of the rectangular reducer pipe. The tail end of the skyline is connected with the rectangular reducer pipe, the caliber of the rectangular reducer pipe is gradually enlarged along the gas conveying direction, the resistance of gas during entering is reduced, noise is effectively reduced, and meanwhile, the caliber of the rectangular reducer pipe is gradually enlarged along the gas conveying direction, so that the gas is guided, the gas is easily guided to the upper part and the lower part of the inside of the heat exchanger main body after entering, the whole heat exchange equipment is uniformly contacted with the input hot gas, and the purpose of improving the heat exchange effect is achieved.

Description

Multistage heat transfer device of high-efficient heat transfer
Technical Field
The utility model relates to the field of heat exchange equipment, in particular to a multistage heat exchange device for efficient heat exchange.
Background
Two fluids for heat exchange in the tubular heat exchanger, wherein one fluid flows in the tube, and the stroke of the fluid is called as a tube pass; one type of flow outside the tube is referred to as the shell side. The wall surface of the tube bundle is the heat transfer surface.
The intake pipe is connected usually to the tip of heat exchanger main part, but because the partial pipe diameter with intake-tube connection is narrow, at the in-process that admits air, the ubiquitous windage coefficient is big with the big problem of noise, makes heat exchange efficiency reduce, and staff's operational environment is relatively poor, thinks to get into inside the overhauing of heat exchanger main part simultaneously inconvenient.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a multistage heat exchange device capable of efficiently exchanging heat, and aims to solve the problems that in the air inlet process, the air resistance coefficient is large, the noise is large, the heat exchange efficiency is reduced, and the heat exchanger is inconvenient to overhaul when entering a heat exchanger main body in the background technology.
In order to achieve the above purpose, the solution of the utility model is:
a multi-stage heat exchange device with high heat exchange efficiency comprises a heat exchanger main body, wherein the heat exchanger main body is provided with an air inlet end and an air outlet end; the air inlet end and the air outlet end of the heat exchanger are respectively provided with an air reducer, the air reducer is provided with a small-diameter end and a large-diameter end, and the large-diameter end is connected to the air inlet end or the air outlet end; the gas reducing pipe comprises a hemispherical dome and a rectangular reducing pipe, wherein the rectangular end of the hemispherical dome is connected with the small-diameter part of the rectangular reducing pipe; and an access hole for people to pass through is formed on the outer circumferential surface of the rectangular reducer pipe.
Further, the device also comprises two heat exchange devices for exchanging heat of the gas; the heat exchanger main part has the heat transfer chamber, and two indirect heating equipment locate the heat transfer intracavity along gaseous direction of delivery interval.
Further, the heat exchange equipment comprises two heat exchange cores which exchange heat with hot fluid, and the two heat exchange cores are communicated; the heat transfer core includes heat transfer casing and the sealed end plate of arc, the sealed end plate of arc is located the one end of heat transfer casing, be equipped with inlet tube and outlet pipe in the heat transfer casing, the inlet tube has first water inlet and first delivery port, the outlet pipe has second water inlet and second delivery port, the sealed end plate of arc has the arc transition chamber that is linked together with first delivery port and second water inlet, first delivery port and second water inlet are in the arc transition intracavity.
Furthermore, the water outlet pipe of the heat exchange core body is communicated with the water inlet pipe of the adjacent heat exchange core body through a connecting pipe.
Further, still include the spray set who removes dust to indirect heating equipment.
Furthermore, the spraying device comprises a spraying main pipe for inputting water flow, a plurality of spraying branch pipes communicated with the spraying main pipe, and spraying heads arranged on the spraying branch pipes.
Further, a water drainage groove extending downwards is formed at the bottom end of the heat exchanger main body, a water drainage port is formed in the water drainage groove, and the water drainage port is connected with a water drainage pipeline.
Furthermore, the inner wall of the drainage groove forms a flow guide inclined plane for guiding sewage into the drainage outlet.
After the structure is adopted, the multistage heat exchange device for efficient heat exchange has at least the following beneficial effects:
1. the gaseous reducing pipe that the inlet end of hot gas follow heat exchanger main part is connected gets into in the heat exchanger main part, through the direction of delivery along gas, at the end-to-end connection rectangle reducing pipe in the sky circle place, the bore of rectangle reducing pipe is along the grow gradually of gas conveying direction, reduce the resistance when gaseous entering, effective noise reduction, simultaneously because of the bore of rectangle reducing pipe is along the grow gradually of gas conveying direction, carry out the water conservancy diversion to gas, make gaseous easy water conservancy diversion to the inside upper portion and the lower part of heat exchanger main part after getting into, make heat exchange equipment's whole evenly with the hot gas contact of input, reach the purpose that improves the heat transfer effect.
2. Be equipped with the access hole on the rectangle reducing pipe, make things convenient for the staff to get into from gaseous entry or gaseous export, inspect the whole of heat exchanger main part, avoided seting up the access hole in the heat exchanger main part and lead to overall structure intensity step-down and need come and go when examining, the waste time, the pipe diameter of rectangle reducing pipe is great, also is fit for the staff business turn over.
Drawings
FIG. 1 is a schematic top view of a multistage heat exchange device for efficient heat exchange according to the present invention;
FIG. 2 is a schematic front view of a multistage heat exchange device for high efficiency heat exchange according to the present invention;
FIG. 3 is a schematic side view of a multistage heat exchange device for efficient heat exchange according to the present invention;
fig. 4 is a schematic structural diagram of the spraying device of the present invention.
In the figure: the heat exchanger comprises a heat exchanger body 1, an air inlet end 11, an air outlet end 12, an air reducer 2, a hemispherical space 21, a rectangular reducer 22, an access hole 221, heat exchange equipment 3, a heat exchange core 31, a heat exchange shell 311, an arc-shaped sealing end plate 312, an water inlet pipe 313, a first water inlet section 3131, a second water inlet section 3132, a water outlet pipe 314, a first water outlet section 3141, a second water outlet section 3142, a connecting pipe 315, a spraying device 4, a spraying main pipe 41, a spraying branch pipe 42, a spraying head 43, a drainage groove 13 and a flow guide inclined plane 131.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 4, the multistage heat exchange device for efficient heat exchange according to the present invention includes a heat exchanger body 1, where the heat exchanger body 1 has an air inlet end 11 and an air outlet end 12; the air inlet end 11 and the air outlet end 12 of the heat exchanger are respectively provided with an air reducer 2, the air reducer 2 is provided with a small-diameter end and a large-diameter end, and the large-diameter end is connected to the air inlet end 11 or the air outlet end 12; the gas reducing pipe 2 comprises a skyline place 21 and a rectangular reducing pipe 22, wherein the rectangular end of the skyline place 21 is connected with the small-diameter part of the rectangular reducing pipe 22; the outer circumferential surface of the rectangular reducer pipe 22 is formed with a manhole 221 through which a person passes.
Like this, the hot gas gets into in the heat exchanger main part 1 from the gaseous reducing pipe 2 that the inlet end 11 of heat exchanger main part 1 is connected, through the direction of delivery along gas, at the trailing end connection rectangle reducing pipe 22 of sky circle place 21, the bore of rectangle reducing pipe 22 becomes along gas conveying direction gradually, reduce the resistance when gaseous gets into, effective noise abatement, simultaneously because of the bore of rectangle reducing pipe 22 becomes along gas conveying direction gradually, carry out the water conservancy diversion to gaseous, make gaseous easy water conservancy diversion to the inside upper portion and the lower part of heat exchanger main part 1 after getting into, make heat exchange equipment 3's whole evenly with the hot gas contact of input, reach the purpose that improves the heat transfer effect. Be equipped with access hole 221 on the rectangle reducing pipe 22, make things convenient for the staff to get into from gaseous entry or gaseous export, inspect heat exchanger main part 1's whole, avoided offering access hole 221 on heat exchanger main part 1 and leaded to overall structure intensity step-down and need come and go when examining, waste time, the pipe diameter of rectangle reducing pipe 22 is great, also is fit for the staff business turn over.
Preferably, the device also comprises two heat exchange devices 3 for exchanging heat of the gas; the heat exchanger main body 1 is provided with a heat exchange cavity, and the two heat exchange devices 3 are arranged in the heat exchange cavity along the conveying direction of gas at intervals. Through two heat exchange equipment 3, carry out multistage heat transfer to the hot gas, improve the heat transfer effect, along gaseous direction of delivery, circulation water flows through in first heat exchange equipment 3, and refrigerated water flows through in the second heat exchange equipment 3, carries out the heat transfer after contacting with gas, is used for other suitable places with first heat exchange equipment 3 and second heat exchange equipment 3 through the water of heat transfer simultaneously.
Preferably, the heat exchange device 3 comprises two heat exchange cores 31 for exchanging heat with hot fluid, and the two heat exchange cores 31 are communicated; heat exchange core 31 includes heat exchange shell 311 and arc seal end plate 312, and arc seal end plate 312 locates the one end of heat exchange shell 311, is equipped with inlet tube 313 and outlet pipe 314 in the heat exchange shell 311, and inlet tube 313 has first water inlet and first delivery port, and outlet pipe 314 has second water inlet and second delivery port, and arc seal end plate 312 has the arc transition chamber that is linked together with first delivery port and second water inlet, and first delivery port and second water inlet are in the arc transition chamber. Through setting up in the sealed end plate 312 of arc of heat transfer casing 311 one end, rivers contact with the arc inside wall when passing through the arc transition chamber, and the arc inside wall has certain guide effect, reduces the impact force that the sealed end plate 312 of arc received, prolongs the life of the sealed end plate 312 of arc, makes the water of inlet tube 313 more smooth when getting into outlet pipe 314 simultaneously, keeps heat transfer core 31's heat transfer effect.
Preferably, the water inlet pipe 313 comprises a first water inlet section 3131 and a second water inlet section 3132, the water outlet pipe 314 comprises a first water outlet section 3141 and a second water outlet section 3142; the first water inlet section, the first water outlet section, the second water inlet section and the second water outlet section are sequentially arranged from top to bottom, the first water inlet section is communicated with the first water outlet section, and the second water inlet section is communicated with the second water outlet section. In order to increase the heat exchange area, a first water inlet section, a second water inlet section, a first water outlet section and a second water outlet section are arranged, so that the heat exchange area of fluid passing through the water inlet pipe 313 and the water outlet pipe 314 is increased, and the heat exchange efficiency is improved. Preferably, in order to allow fluid to pass through between adjacent heat exchange cores 31 to perform multi-stage heat exchange, so as to prolong the contact time between water flow and gas and improve the heat exchange effect, water outlet pipe 314 of heat exchange core 31 and water inlet pipe 313 of adjacent heat exchange core 31 are communicated through connecting pipe 315.
Preferably, a spraying device 4 for dedusting the heat exchange device 3 is further included. Remove dust to heat transfer core 31 through spray set 4, with the dust attached to heat transfer core 31's surface when avoiding fluid through heat transfer core 31, make the heat transfer effect between two kinds of fluids that need the heat transfer better, keep the heat transfer effect between the heat transfer fluid. Specifically, a spraying device 4 is disposed on one side of each heat exchange core body 31.
Preferably, in order to make the spraying range of the spraying device 4 wider and the dust removing effect better, the spraying device 4 includes a main spraying pipe 41 for inputting water flow, a plurality of branch spraying pipes 42 communicated with the main spraying pipe 41, and a spraying head 43 provided on the branch spraying pipes 42. When the water flow is supplied into the main shower pipe 41, the main shower pipe 41 is supplied into each of the shower branch pipes 42, and each of the shower branch pipes 42 is supplied to each of the shower heads 43, and the shower heads 43 output the water flow. Preferably, in order to improve the spraying effect, reduce the spraying dead angle, and reduce the dust attached to the heat exchange core 31, the plurality of spray branch pipes 42 are perpendicular to the spray main pipe 41 and are arranged at intervals from top to bottom, the spray header 43 comprises spiral nozzles arranged on the plurality of spray branch pipes 42 in a rectangular shape, and the adjacent spiral nozzles have overlapping spraying areas. Preferably, a drain groove 13 extending downward is formed at the bottom end of the heat exchanger main body 1, and a drain port is formed on the drain groove 13 and connected with a drain pipe. Preferably, the inner wall of the drain tank 13 forms a guide slope 131 for guiding sewage into the drain opening. Water is poured into the drainage port through the diversion inclined plane 131 of the drainage groove 13 and then is discharged through the drainage pipe, sewage is discharged efficiently, and the heat exchange process inside the heat exchanger main body 1 is kept.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims (8)

1. The utility model provides a multistage heat transfer device of high-efficient heat transfer which characterized in that: the heat exchanger comprises a heat exchanger body, wherein the heat exchanger body is provided with an air inlet end and an air outlet end; the air inlet end and the air outlet end of the heat exchanger are respectively provided with an air reducer, the air reducer is provided with a small-diameter end and a large-diameter end, and the large-diameter end is connected to the air inlet end or the air outlet end; the gas reducing pipe comprises a hemispherical dome and a rectangular reducing pipe, wherein the rectangular end of the hemispherical dome is connected with the small-diameter part of the rectangular reducing pipe; and an access hole for people to pass through is formed on the outer circumferential surface of the rectangular reducer pipe.
2. The multistage heat exchange device with high heat exchange efficiency as recited in claim 1, wherein: the device also comprises two heat exchange devices for exchanging heat of the gas; the heat exchanger main part has the heat transfer chamber, and two indirect heating equipment locate the heat transfer intracavity along gaseous direction of delivery interval.
3. The multistage heat exchange device with high heat exchange efficiency as recited in claim 2, wherein: the heat exchange equipment comprises two heat exchange cores which exchange heat with hot fluid, and the two heat exchange cores are communicated; the heat transfer core includes heat transfer casing and the sealed end plate of arc, the sealed end plate of arc is located the one end of heat transfer casing, be equipped with inlet tube and outlet pipe in the heat transfer casing, the inlet tube has first water inlet and first delivery port, the outlet pipe has second water inlet and second delivery port, the sealed end plate of arc has the arc transition chamber that is linked together with first delivery port and second water inlet, first delivery port and second water inlet are in the arc transition intracavity.
4. The multistage heat exchange device with high heat exchange efficiency as recited in claim 3, wherein: the water outlet pipe of the heat exchange core body is communicated with the water inlet pipe of the adjacent heat exchange core body through a connecting pipe.
5. The multistage heat exchange device with high heat exchange efficiency as recited in claim 2, wherein: the device also comprises a spraying device for removing dust of the heat exchange equipment.
6. The multistage heat exchange device with high heat exchange efficiency as recited in claim 5, wherein: the spraying device comprises a spraying main pipe for inputting water flow, a plurality of spraying branch pipes communicated with the spraying main pipe, and spraying heads arranged on the spraying branch pipes.
7. The multistage heat exchange device with high heat exchange efficiency as recited in claim 5, wherein: the bottom of the heat exchanger main body forms a drainage groove extending downwards, a drainage port is formed in the drainage groove, and the drainage port is connected with a drainage pipeline.
8. The multistage heat exchange device with high heat exchange efficiency as recited in claim 7, wherein: the inner wall of the drainage groove forms a flow guide inclined plane for guiding sewage into the drainage outlet.
CN202121701764.5U 2021-07-26 2021-07-26 Multistage heat transfer device of high-efficient heat transfer Active CN215638927U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121701764.5U CN215638927U (en) 2021-07-26 2021-07-26 Multistage heat transfer device of high-efficient heat transfer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121701764.5U CN215638927U (en) 2021-07-26 2021-07-26 Multistage heat transfer device of high-efficient heat transfer

Publications (1)

Publication Number Publication Date
CN215638927U true CN215638927U (en) 2022-01-25

Family

ID=79892202

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121701764.5U Active CN215638927U (en) 2021-07-26 2021-07-26 Multistage heat transfer device of high-efficient heat transfer

Country Status (1)

Country Link
CN (1) CN215638927U (en)

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