CN210718815U - Heat exchanger with self-cleaning function - Google Patents
Heat exchanger with self-cleaning function Download PDFInfo
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- CN210718815U CN210718815U CN201921450497.1U CN201921450497U CN210718815U CN 210718815 U CN210718815 U CN 210718815U CN 201921450497 U CN201921450497 U CN 201921450497U CN 210718815 U CN210718815 U CN 210718815U
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Abstract
The utility model discloses set up the air purification equipment field, specifically disclose a heat exchanger with self-cleaning function, it is through setting up first shower nozzle in cross heat transfer unit below, set up the second shower nozzle in the place ahead of the gas circulation of cross heat transfer unit cross passageway, first shower nozzle, the second shower nozzle is respectively to the gas of cross heat transfer unit's longitudinal channel and cross passageway circulation spray water or spraying, make water smoke play better cooling effect to the gas, and water smoke condenses down at the wall of cross heat transfer unit's transverse channel and longitudinal channel, take away the dust that glues on the wall of transverse channel and longitudinal channel, play the cleaning action, and promote the heat-conduction of cross heat transfer unit; and the water mist can humidify dust in the gas, so that the dust is increased in weight and falls down, and then is separated from the gas.
Description
Technical Field
The utility model relates to an air purification field, in particular to a heat exchanger for air purification.
Background
In the flue gas treatment, because the flue gas has higher temperature and higher concentration of dust, the flue gas is easy to generate fire, so that the flue gas purification equipment is burnt out, and in the flue gas with higher temperature, oil stain is vaporized at high temperature, so that the purification efficiency of the flue gas purification equipment is reduced; therefore, when the flue gas is purified, the flue gas to be purified needs to be cooled, and water or oil stains in the volatile flue gas are condensed into liquid drops so that the electrostatic dust collector can remove dust.
In the existing heat exchange equipment, the cross type heat exchange structure has the characteristic of good heat exchange effect, the plates are overlapped at the edge to form two mutually vertical ventilation channels, and heat exchange fluid flows through the two mutually vertical ventilation channels to realize heat exchange. For example: the stacked air heat exchanger disclosed in the chinese patent CN00240115.0 or the heat exchange structure disclosed in the chinese patent CN201910325018.1 and the heat exchange device with the heat exchange structure. However, in actual use, the gas needing heat exchange is not usually subjected to purification treatment, so that dust in the flue gas or oil dirt condensed into liquid drops is stained on the inner surface of the cross type heat exchange structure when the heat exchange is carried out and the temperature is reduced, the heat conduction is influenced, the heat exchange efficiency is reduced, the existing heat exchange equipment does not have an automatic cleaning function, the cross type heat exchange structure needs to be manually disassembled when the existing heat exchange equipment is cleaned at every time, the cleaning period is short, and the workload is high and troublesome.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, the utility model aims to provide a heat exchanger with self-cleaning function aims at solving among the prior art indirect heating equipment and does not have the self-cleaning function, washs at every turn and all needs the manual work to dismantle crossing heat transfer structure get off to the cleaning cycle is short, and work load is big and troublesome problem.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a heat exchanger with an automatic cleaning function comprises a shell, wherein a cross type heat exchange unit is arranged in the shell, a transverse channel and a longitudinal channel are arranged on the cross type heat exchange unit, the transverse channel and the longitudinal channel are arranged at intervals, an air inlet communicated with the longitudinal channel is formed in the lower end face of the shell, a first support is arranged right below the air inlet, a first spray head is fixed on the first support, a water receiving disc is arranged below the first support, supporting legs are arranged below four corners of the shell, the first support and the water receiving disc are both fixed on the supporting legs, an air inlet gap is formed between the water receiving disc and the air inlet, an air outlet is formed in the upper end face of the shell, and an exhaust fan is arranged;
still including connecting the connector at the shell both ends respectively, and connect the inside second support that is equipped with of connector at shell air inlet end, be fixed with the second shower nozzle on the second support, first shower nozzle and second shower nozzle all have the water pump through water piping connection, and the end of the intaking of water pump has the water tank through water piping connection.
In the heat exchanger with the automatic cleaning function, the upper end face of the shell is provided with an access hole, the access hole is connected with an access door, and the air outlet is formed in the access door.
In the heat exchanger with the automatic cleaning function, one side of the access door is connected with the access hole through a hinge, the other side of the access door is connected with a locking assembly, and the locking assembly is fixed on the shell.
In the heat exchanger with self-cleaning function, the connector openly is equipped with the second access hole, and is equipped with the second access door on the second access hole, one side of second access door is articulated through hinge and connector, the opposite side is equipped with single tongue lock, and locks with the connector through single tongue lock.
In the heat exchanger with self-cleaning function, the connector of connecting respectively at shell both ends divide into first connector and second connector, and the connector of connecting at shell air inlet end is first connector, the second shower nozzle is established inside first connector, the setting of second shower nozzle intercrossing heat transfer unit dorsad, the connector of connecting at shell air outlet end is the second connector, the inside third support that is equipped with of second connector, be equipped with the third shower nozzle on the third support, the third shower nozzle leads to pipe and is connected with the water pump, the setting of third shower nozzle orientation intercrossing heat transfer unit.
In the heat exchanger with the automatic cleaning function, a fourth support is arranged between the second support and the third support, the fourth support penetrates through the inside of the transverse channel, a fourth spray head is arranged on the fourth support, and the fourth spray head is connected with a water pump through a water pipe.
In the heat exchanger with the automatic cleaning function, the first support, the second support, the third support and the fourth support are formed by welding pipelines, the pipeline inside each support is communicated, and the water pipes are connected to the corresponding supports.
In the heat exchanger with the automatic cleaning function, the bottom parts of the first connector, the second connector and the water pan are connected with a drain pipe.
In the heat exchanger with the automatic cleaning function, the supporting legs are fixed with the mounting support on the front face of the shell, the water tank and the water pump are fixed on the mounting support, the shielding plate is arranged on the front face of the shell and above the water pump, the electric cabinet is arranged above the shielding plate, and the electric cabinet is fixed on the shell.
In the heat exchanger with the automatic cleaning function, a protective net is arranged on the side surface between the water receiving tray and the shell, and the upper end and the lower end of the protective net are respectively connected with the shell and the water receiving tray through buckles.
In the heat exchanger with the automatic cleaning function, the heat exchange unit and the shell are integrated into a whole,
has the advantages that:
the utility model provides a heat exchanger with self-cleaning function, through set up first shower nozzle in cross heat transfer unit below, set up the second shower nozzle in cross heat transfer unit cross passageway's gas circulation's the place ahead, first shower nozzle, the second shower nozzle is respectively to cross heat transfer unit's vertical passageway and the gas of cross passageway circulation spray water or spraying, make water smoke play better cooling effect to gas, and water smoke condenses down at cross heat transfer unit's horizontal passageway and vertical passageway's wall, take away the dust that glues on the wall of horizontal passageway and vertical passageway, play the cleaning action, and promote cross heat transfer unit's heat conduction; the water mist can humidify dust in the gas, so that the dust is increased in weight and falls down, and then is separated from the gas; and the protective net with the upper end and the lower end connected with the shell and the water receiving tray through the buckles respectively is arranged between the shell and the water receiving tray, so that when a longitudinal channel of the cross type heat exchange unit is cleaned and overhauled, the longitudinal channel is flushed from a second overhauled port above the longitudinal channel, the cleaned impurities and dust fall into the water receiving basin, and the water receiving basin can be cleaned by disassembling the protective net, so that the water receiving basin is convenient and simple; in order to increase the cleaning effect on the cross type heat exchange unit, a second spray head arranged behind the gas circulation of the cross type heat exchange unit transverse channel and a fourth spray head penetrating through the cross type heat exchange unit transverse channel are additionally arranged, so that the transverse channel mainly circulating flue gas can be comprehensively cleaned.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchanger with an automatic cleaning function provided by the present invention.
Fig. 2 is a front view of a heat exchanger with an automatic cleaning function according to the first embodiment.
Fig. 3 is a front view of a heat exchanger with an automatic cleaning function according to a second embodiment.
Fig. 4 is a front view of a heat exchanger with an automatic cleaning function according to a third embodiment.
FIG. 5 is a schematic structural diagram of a cross type heat exchange unit.
Fig. 6 is a structural schematic diagram of the second bracket.
Detailed Description
The utility model provides a heat exchanger with self-cleaning function, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and 5, the present invention provides a heat exchanger with an automatic cleaning function, including a housing 32, a cross heat exchange unit 15 is installed inside the housing 32, a transverse channel 151 and a longitudinal channel 152 are installed on the cross heat exchange unit 15, and the transverse channel 151 and the longitudinal channel 152 are disposed at intervals, the gas that needs heat exchange circulates inside the transverse channel 151, and the gas that needs heat exchange circulates inside the longitudinal channel 152 is used for exchanging heat with the gas inside the transverse channel 151, so that the heat of the gas of the two exchanges through the cross heat exchange unit 15.
In this application, as a preferred embodiment, establish crossing heat transfer unit 15 and shell 32 into an organic whole structure, the side welding as an organic whole with crossing heat transfer unit 15 around the outside promptly for shell 32 and crossing heat transfer unit 15 are closely laminated, and do not need additionally to increase connection structure, reduce its volume and weight.
Specifically, an air inlet (not shown in the figure) communicated with the longitudinal channel 152 is formed in the lower end face of the shell 32, a first support 51 is arranged right below the air inlet, a first spray head 41 is fixed on the first support 51, a water receiving tray 6 is arranged below the first support 51, supporting legs 33 are arranged below four corners of the shell 32, the first support 51 and the water receiving tray 6 are both fixed on the supporting legs 33, an air inlet gap is formed between the water receiving tray 6 and the air inlet, an air outlet 311 is formed in the upper end face of the shell 32, and an exhaust fan 14 is installed on the air outlet 311, so that under the action of the exhaust fan 14, water from the first spray head 41 is brought into the longitudinal channel 152 by air entering from the air inlet gap, cooling of air used for exchanging heat with air inside the transverse channel 151 is achieved, and the heat exchange effect of the air is improved.
Wherein, be equipped with supporting legs 33 on the shell 32 four corners, this supporting legs 33 makes and keeps the certain distance between shell 32 and the installation ground to fix the water receiving basin 6 on this supporting legs 33, first support 51 is established between water receiving basin 6 and shell 32 bottom surface, and the four corners is fixed on supporting legs 33, makes and to guarantee enough big air inlet clearance, makes that there is the sufficient quantity of gas that is used for the heat transfer to pass through.
Referring to fig. 2 and 6, in the first embodiment: specifically, this heat exchanger still includes the connector (being first connector 21 and second connector 22) of connecting respectively at shell 32 both ends, and connects and be equipped with second support 52 in the connector inside of shell 32 air inlet end, is fixed with second shower nozzle 42 on the second support 52, and first shower nozzle 41 and second shower nozzle 42 all have water pump 11 through water piping connection, and water pump 11's the end of intaking has water tank 10 through water piping connection. Wherein, the connectors respectively connected to the two ends of the housing 32 are divided into a first connector 21 and a second connector 22, and the connector connected to the air inlet end of the housing 32 is the first connector 21, the second bracket 52 is fixed on the inner surface of the connector by screws, so that the second bracket 52 can be disassembled for maintenance and replacement, the second spray head 42 is arranged inside the first connector 21, the second spray head 42 is arranged back to the cross type heat exchange unit 15, so that the second spray head 42 forms water mist which is sprayed reversely to the flowing direction of the gas needing heat exchange, so that the water mist is collided and dispersed with the air and is more uniformly dispersed in the air, the water mist has better cooling effect on the air, the water mist condenses and flows down on the wall surface of the transverse channel 151 of the cross type heat exchange unit 15, takes away dust adhered to the wall surface of the transverse channel 151, plays a role in cleaning, and promotes heat conduction of the cross type heat exchange unit 15; and the water mist can humidify dust in the gas, so that the dust is increased in weight and falls down, and then is separated from the gas.
Specifically, flanges are provided at both ends of the housing 32 and at the connectors, and the connectors are fixed to the flanges at both ends of the housing 32 by bolts.
Referring to fig. 3, in the second embodiment, on the basis of the first embodiment, the connector connected to the air outlet 311 end of the housing 32 is a second connector 22, a third support 53 is arranged inside the second connector 22, a third nozzle 43 is arranged on the third support 53, the third nozzle 43 is connected with the water pump 11 through a water pipe, and the third nozzle 43 is arranged facing the cross-type heat exchange unit 15; preferably, the third spray heads 43 spray onto the wall surface of the transverse channels 151.
Referring to fig. 4, in the third embodiment, on the basis of the second embodiment, a fourth support 54 is arranged between the second support 52 and the third support 53, the fourth support 54 penetrates inside the transverse channel 151, and the fourth spray heads 44 are arranged on the fourth support 54, so that the fourth spray heads 44 can be circumferentially arranged on the fourth support 54, even if the fourth spray heads 44 face to all directions, and the uniformity of the water mist is increased; wherein, the fourth nozzle 44 is connected with the water pump 11 through a water pipe. In this embodiment, the third holder 53 and the third nozzle can also be removed.
In the above, the first support 51, the second support 52, the third support 53 and the fourth support 54 are preferably formed by welding pipes, and the pipes of each support are communicated with each other, and the water pipes are connected to the corresponding supports, so that the pipes can be replaced by round pipes, wherein the supports formed by welding the pipes are communicated with each other, so that a water inlet connected with the water pipes is formed in each support, and water can be led to each spray head on the corresponding support. Of course, in the embodiment where the fourth bracket 54 is provided, the interiors of the third and fourth brackets 53 and 54 may communicate with the interior of the second bracket 52.
In order to discharge the sprayed water, a drain pipe (not shown) is connected to the bottoms of the first connector 21, the second connector 22 and the water receiving tray 6, wherein the lower end surfaces of the interiors of the first connector 21 and the second connector 22 are lower than the lower end surface of the transverse channel 151 of the cross type heat exchange unit 15, i.e. the sprayed water is gathered at the first connector 21 and the second connector 22 and is discharged through the drain pipe. Because the front of the connector is provided with the second access hole, the settled dust flows to the connector along with the sprayed water, so that the cleaning is convenient.
Referring to fig. 1 to 6, in particular, an access opening (corresponding to the position of the access door 31 in fig. 1) is formed in the upper end surface of the housing 32, the access opening is connected with the access door 31, and the air outlet 311 is formed in the access door 31. Preferably, one side of the access door 31 is connected with the access opening through a hinge, the other side is connected with a locking assembly 312, and the locking assembly 312 is fixed on the outer shell 32. Therefore, by opening the locking assembly 312, the access door 31 can be opened by rotating around the hinge, and the longitudinal channel 152 of the cross type heat exchange unit 15 can be cleaned and serviced. The locking assembly is an existing oven and steam box oven door lock structure, and is preferably an open hand wheel lock; of course, the screw can be fixedly locked.
Specifically, the connector openly is equipped with the second access hole (corresponding to second access door 23 position in fig. 1), and is equipped with second access door 23 on the second access hole, and one side of second access door 23 is articulated through hinge and connector, and the opposite side is equipped with single tongue lock 24, and locks with the connector through single tongue lock 24. Wherein, the second access opening is arranged, so that the interior of the connector, the second bracket 52, the third bracket 53, the fourth bracket 54 and the transverse channel 151 of the cross type heat exchange unit 15 are convenient to clean and overhaul. Preferably, in order to facilitate the disassembly, assembly and maintenance of the second bracket 52 and the third bracket 53, the diagonal length of the second maintenance opening is greater than the heights of the second bracket 52 and the third bracket 53, that is, when the second bracket 52 and the third bracket 53 are disassembled and assembled, the second bracket 52 and the third bracket 53 are inclined to move out of the connector from the second maintenance opening.
Specifically, the protective net 7 is arranged on the side surface between the water receiving tray 6 and the shell 32, so that the protective net is conveniently disassembled and assembled, the upper end and the lower end of the protective net 7 are respectively connected with the shell 32 and the water receiving tray 6 through the buckles 8, and the buckles 8 are the existing lock catches. Consequently, when wasing and overhauing the longitudinal channel 152 of crossing heat exchange unit 15, wash from the top second access hole, and impurity and dust after the clearance drop in water receiving basin 6, through dismantling protection network 7, can clear up convenient simple to water receiving basin 6.
Specifically, a mounting bracket 9 is fixed to the support leg 33 and the front surface of the housing 32, and the water tank 10 and the water pump 11 are fixed to the mounting bracket 9. A shielding plate is arranged on the front surface of the shell 32 and above the water pump 11, and is used for protecting the water pump 11 from being impacted; an electric control box 13 is arranged above the shielding plate 12, the electric control box 13 is fixed on the shell 32, and the electric control box 13 above the shielding plate 12 is used for controlling the operation of the heat exchanger.
The utility model discloses in, through set up first shower nozzle 41 in cross heat transfer unit 15 below, set up second shower nozzle 42 in the place ahead of the gas circulation of cross heat transfer unit 15 cross passageway 151, first shower nozzle 41, second shower nozzle 42 sprays water or sprays to the gas of cross heat transfer unit 15's longitudinal channel 152 and cross channel 151 circulation respectively, make water smoke play better cooling effect to gas, and water smoke condenses down at the wall of cross heat transfer unit 15's transverse channel 151 and longitudinal channel 152, take away the dust that glues on the wall of transverse channel 151 and longitudinal channel 152, play the cleaning action, and promote cross heat-conduction of heat transfer unit 15; the water mist can humidify dust in the gas, so that the dust is increased in weight and falls down, and then is separated from the gas; moreover, a protective net with the upper end and the lower end connected with the shell 32 and the water pan 6 through buckles is arranged between the shell 32 and the water pan 6, so that when the longitudinal channel 152 of the cross type heat exchange unit 15 is cleaned and overhauled, the water is flushed from the second overhauled port at the upper part, the cleaned impurities and dust fall into the water pan 6, and the water pan 6 can be cleaned by detaching the protective net, so that the water pan is convenient and simple; in order to increase the cleaning effect on the cross type heat exchange unit 15, a second spray head 42 arranged behind the transverse channel 151 of the cross type heat exchange unit 15 in the gas circulation direction and a fourth spray head 44 penetrating through the transverse channel 151 of the cross type heat exchange unit 15 are additionally arranged, so that the transverse channel 151 mainly circulating flue gas can be cleaned comprehensively.
In practical application, the work of each spray head is realized by controlling the work of the water pump 11, and the automatic cleaning of the cross type heat exchange unit is realized.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (10)
1. A heat exchanger with an automatic cleaning function is characterized by comprising a shell, wherein a cross type heat exchange unit is arranged in the shell, a transverse channel and a longitudinal channel are arranged on the cross type heat exchange unit, the transverse channel and the longitudinal channel are arranged at intervals, an air inlet communicated with the longitudinal channel is formed in the lower end face of the shell, a first support is arranged right below the air inlet, a first spray head is fixed on the first support, a water receiving disc is arranged below the first support, supporting legs are arranged below four corners of the shell, the first support and the water receiving disc are both fixed on the supporting legs, an air inlet gap is formed between the water receiving disc and the air inlet, an air outlet is formed in the upper end face of the shell, and an exhaust fan is arranged on;
still including connecting the connector at the shell both ends respectively, and connect the inside second support that is equipped with of connector at shell air inlet end, be fixed with the second shower nozzle on the second support, first shower nozzle and second shower nozzle all have the water pump through water piping connection, and the end of the intaking of water pump has the water tank through water piping connection.
2. The heat exchanger with the automatic cleaning function according to claim 1, wherein an access opening is formed in the upper end face of the shell, an access door is connected to the access opening, and the air outlet is formed in the access door.
3. The heat exchanger with the automatic cleaning function according to claim 2, wherein one side of the access door is connected with the access opening through a hinge, the other side of the access door is connected with a locking assembly, and the locking assembly is fixed on the shell.
4. The heat exchanger with the automatic cleaning function according to claim 1, wherein a second access opening is arranged on the front surface of the connector, a second access door is arranged on the second access opening, one side of the second access door is hinged to the connector through a hinge, and the other side of the second access door is provided with a single-tongue lock and is locked with the connector through the single-tongue lock.
5. The heat exchanger with the automatic cleaning function according to claim 4, wherein the connectors respectively connected to the two ends of the housing are divided into a first connector and a second connector, the connector connected to the air inlet end of the housing is the first connector, the second nozzle is arranged inside the first connector, the second nozzle is arranged to face away from the cross heat exchange unit, the connector connected to the air outlet end of the housing is the second connector, a third support is arranged inside the second connector, a third nozzle is arranged on the third support, the third nozzle is connected with the water pump through a water pipe, and the third nozzle is arranged to face towards the cross heat exchange unit.
6. The heat exchanger with the automatic cleaning function according to claim 5, wherein a fourth bracket is arranged between the second bracket and the third bracket, the fourth bracket penetrates through the inside of the transverse channel, a fourth spray head is arranged on the fourth bracket, and the fourth spray head is connected with the water pump through a water pipe.
7. The heat exchanger with the automatic cleaning function according to claim 6, wherein the first bracket, the second bracket, the third bracket and the fourth bracket are formed by welding pipes, the pipe inside of each bracket is communicated, and the water pipe is connected to the corresponding bracket.
8. The heat exchanger with the automatic cleaning function according to claim 7, wherein the first connector, the second connector and the bottom of the water pan are connected with a drain pipe.
9. The heat exchanger with the automatic cleaning function according to claim 1, wherein a mounting bracket is fixed on the supporting legs and on the front surface of the housing, the water tank and the water pump are fixed on the mounting bracket, a baffle plate is arranged on the front surface of the housing and above the water pump, an electric cabinet is arranged above the baffle plate, and the electric cabinet is fixed on the housing.
10. The heat exchanger with the automatic cleaning function according to claim 1, wherein a protective screen is arranged on a side surface between the water pan and the shell, and the upper end and the lower end of the protective screen are respectively connected with the shell and the water pan through a buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450497.1U CN210718815U (en) | 2019-08-30 | 2019-08-30 | Heat exchanger with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450497.1U CN210718815U (en) | 2019-08-30 | 2019-08-30 | Heat exchanger with self-cleaning function |
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| Publication Number | Publication Date |
|---|---|
| CN210718815U true CN210718815U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921450497.1U Active CN210718815U (en) | 2019-08-30 | 2019-08-30 | Heat exchanger with self-cleaning function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487107A (en) * | 2019-08-30 | 2019-11-22 | 佛山市科蓝环保科技股份有限公司 | A kind of heat exchanger with automatic cleaning function |
| CN110487107B (en) * | 2019-08-30 | 2024-06-25 | 佛山市科蓝环保科技股份有限公司 | Heat exchanger with self-cleaning function |
-
2019
- 2019-08-30 CN CN201921450497.1U patent/CN210718815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487107A (en) * | 2019-08-30 | 2019-11-22 | 佛山市科蓝环保科技股份有限公司 | A kind of heat exchanger with automatic cleaning function |
| CN110487107B (en) * | 2019-08-30 | 2024-06-25 | 佛山市科蓝环保科技股份有限公司 | Heat exchanger with self-cleaning function |
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