CN219934780U - Floating coil heat exchanger - Google Patents
Floating coil heat exchanger Download PDFInfo
- Publication number
- CN219934780U CN219934780U CN202321534986.1U CN202321534986U CN219934780U CN 219934780 U CN219934780 U CN 219934780U CN 202321534986 U CN202321534986 U CN 202321534986U CN 219934780 U CN219934780 U CN 219934780U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- fixed
- floating coil
- coil heat
- driving unit
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims description 11
- 239000005361 soda-lime glass Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000003507 refrigerant Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a floating coil heat exchanger, which comprises an upper cover, a lower cover, a cylinder body, a sewage pipe joint, an observation window, a driving unit, a rotating frame, a cleaning unit and a fixed shaft head, wherein the observation window is fixed on the outer wall of the cylinder body in a sealing way; the driving unit is vertically arranged in the middle of the top surface of the upper cover, the working end of the driving unit extends into the inner cavity of the cylinder in a sealing way, the fixed shaft head is vertically arranged on the inner side of the middle of the lower cover, the top end of the rotating frame is fixed on the working end of the driving unit, and the bottom end of the rotating frame is rotationally connected to the fixed shaft head; a cleaning unit is fixed on the side surface of the rotating frame and can scratch the inner wall of the cylinder; the blow-down pipe joint is fixed on the bottom surface of the lower cover and is communicated with the inner cavity of the cylinder. The floating coil heat exchanger can efficiently clean dirt on the inner wall of the floating coil heat exchanger on the premise of not damaging the inside of the heat exchanger.
Description
Technical Field
The utility model relates to the technical field of heat exchange, in particular to a floating coil heat exchanger.
Background
The floating coil heat exchanger is a device for exchanging heat by using cold and hot fluid alternately, and is widely used in the related fields of heating, hot water bath, hospitals, hotels, food production, petrochemical industry and the like.
The floating coil heat exchanger floats up and down the coil during the heating of the cold water, so that the water flow around the coil breaks the laminar heat transfer. The heat transfer capacity is improved, the heat transfer coefficient K is more than or equal to 3000W/square meter ℃, and meanwhile, the coil pipe is free to float and expand and shrink freely due to the scouring action of water flow, so that scale is not easy to form, if a small amount of scale is accumulated in the long-term use process, the scale can be automatically removed through the expansion of the pipe, and the heat exchange capacity of the coil pipe heat exchanger is not reduced after the long-term use.
Although scale is not easy to form on the wall of the coil pipe, the inner wall of the heat exchanger can be scaled, and the scale which falls off from the coil pipe can be fused into water, so that the quality of the outputted hot water becomes turbid and is accompanied with scale particles, and the water use experience is seriously affected. In the prior art, scale is dissolved by adding a scale remover into the heat exchanger, and the scale remover can corrode the inside of the heat exchanger and the coil pipe or perform other chemical reactions, so that the failure rate of the heat exchanger is high; or a mode that workers enter the inner cavity of the heat exchanger to physically remove the scale by using a tool is adopted, so that the scale removing time is increased, and the working efficiency is reduced.
Accordingly, there is a need to develop a floating coil heat exchanger that addresses the above-described drawbacks.
Disclosure of Invention
The utility model aims to provide a floating coil heat exchanger, which can efficiently clean dirt on the inner wall of the floating coil heat exchanger on the premise of not damaging the inside of the heat exchanger.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a floating coil heat exchanger, which comprises an upper cover, a lower cover, a cylinder body, a sewage pipe joint, an observation window, a driving unit, a rotating frame, a cleaning unit and a fixed shaft head, wherein the observation window is fixed on the outer wall of the cylinder body in a sealing way; the driving unit is vertically arranged in the middle of the top surface of the upper cover, the working end of the driving unit extends into the inner cavity of the cylinder in a sealing mode, the fixed shaft head is vertically arranged on the inner side of the middle of the lower cover, the top end of the rotating frame is fixed on the working end of the driving unit, and the bottom end of the rotating frame is connected to the fixed shaft head in a rotating mode; the cleaning unit is fixed on the side surface of the rotating frame and can scratch the inner wall of the cylinder; the blow-down pipe joint is fixed on the bottom surface of the lower cover and is communicated with the inner cavity of the cylinder body.
Further, the rotating frame comprises a first rotating sleeve, a second rotating sleeve and a support, one end of the support is fixed on the outer wall of the first rotating sleeve, the other end of the support is fixed on the outer wall of the second rotating sleeve, the first rotating sleeve and the second rotating sleeve are coaxially arranged, and the circumferences of a plurality of the supports are uniformly distributed on the peripheries of the first rotating sleeve and the second rotating sleeve; the first rotary sleeve is connected with the working end of the driving unit, and the second rotary sleeve is rotatably sleeved on the fixed shaft head.
Further, the support includes upper bracket and lower carriage that can dismantle the connection, the junction of upper bracket with the lower carriage is equipped with bolt and the slot of mutually supporting.
Further, the working end of the driving unit is connected with the inner hole of the first rotary sleeve through a key, and a plurality of screws are tightly propped against the side face of the working end of the driving unit through threaded holes formed in the side wall of the first rotary sleeve.
Further, the cleaning unit is made of wear-resistant rubber and is adhered and fixed on the outer side surface and the bottom surface of the bracket.
Further, the observation window comprises an end socket, a sealing gasket and a sight glass, wherein the two sealing gaskets are coaxially arranged in a step hole of an inner cavity of the end socket, and the sight glass is coaxially arranged between the two sealing gaskets; the inner wall of one end of the sealing head is provided with threads, and the threads are connected to the end part of the first through hole formed in the cylinder in a sealing mode.
Further, the sight glass is made of high-temperature and high-pressure resistant soda lime glass.
Further, the driving unit includes a low-speed motor and a decelerator.
Compared with the prior art, the utility model has the beneficial technical effects that:
according to the floating coil heat exchanger, the inner wall and the water quality of the cylinder can be observed at any time through the observation window, so that a worker can conveniently judge the time for cleaning impurities such as scale and the like in the cylinder.
The cleaning unit is driven by the driving unit to rotate, so that scales and impurities adhered on the cylinder body and the lower cover can be efficiently scraped off, and then the scales and impurities are discharged through the sewage pipe joint.
Drawings
The utility model is further described with reference to the following description of the drawings.
FIG. 1 is a schematic perspective view of a floating coil heat exchanger of the present utility model;
FIG. 2 is a schematic cross-sectional view of a floating coil heat exchanger of the present utility model;
FIG. 3 is a schematic view of a rotating rack construction of the floating coil heat exchanger of the present utility model;
FIG. 4 is an enlarged schematic view of the floating coil heat exchanger of the present utility model at A in FIG. 2;
FIG. 5 is an enlarged schematic view of the floating coil heat exchanger of the present utility model at B in FIG. 2;
FIG. 6 is an enlarged schematic view of the floating coil heat exchanger of the present utility model at C in FIG. 2;
fig. 7 is a schematic perspective view of a fixed head of a floating coil heat exchanger of the present utility model.
Reference numerals illustrate: 1. an observation window; 101. a seal head; 102. a sealing gasket; 103. a viewing mirror; 2. a driving unit; 3. a screw; 4. a rotating frame; 401. a first rotating sleeve; 402. a second rotating sleeve; 403. a bracket; 404. a shaft sleeve; 405. a gasket; 5. a cleaning unit; 6. fixing the shaft head; 601. a second through hole; 602. a third through hole; 7. an upper cover; 8. a lower cover; 9. a cylinder; 901. a first through hole; 10. a refrigerant pipe; 11. a heating medium pipe; 12. a water inlet pipe; 13. a water outlet pipe; 14. a floating coil; 15. a sewage pipe joint.
Detailed Description
The core of the utility model is to provide a floating coil heat exchanger, which can efficiently clean dirt on the inner wall of the floating coil heat exchanger on the premise of not damaging the inside of the heat exchanger.
The following description of the embodiments of the present utility model will be made in detail with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "middle," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
Referring to the drawings, FIG. 1 is a schematic perspective view of a floating coil heat exchanger of the present utility model; FIG. 2 is a schematic cross-sectional view of a floating coil heat exchanger of the present utility model; FIG. 3 is a schematic view of a rotating rack construction of the floating coil heat exchanger of the present utility model; FIG. 4 is an enlarged schematic view of the floating coil heat exchanger of the present utility model at A in FIG. 2; FIG. 5 is an enlarged schematic view of the floating coil heat exchanger of the present utility model at B in FIG. 2; FIG. 6 is an enlarged schematic view of the floating coil heat exchanger of the present utility model at C in FIG. 2; fig. 7 is a schematic perspective view of a fixed head of a floating coil heat exchanger of the present utility model.
In a specific embodiment of the utility model, as shown in fig. 1-7, the device comprises an observation window 1, a sight glass 103, a driving unit 2, a rotating frame 4, a cleaning unit 5, a fixed shaft head 6, an upper cover 7, a lower cover 8, a cylinder 9 and a sewage pipe joint 15, wherein the sight glass 103 is arranged in an inner cavity of the observation window 1 in a sealing way, and the observation window 1 is fixed on the outer wall of the cylinder 9 in a threaded sealing way; the driving unit 2 is vertically fixed in the middle of the top surface of the upper cover 7, a sealing gasket is arranged at the joint of the driving unit 2 and the upper cover 7, the working end of the driving unit 2 stretches into the inner cavity of the cylinder 9, the top end of the rotating frame 4 is fixed on the working end of the driving unit 2, the bottom end of the rotating frame 4 is rotationally connected to a fixed shaft head 6 vertically fixed on the inner side of the middle of the lower cover 8, the bottom edge of the fixed shaft head 6 is welded with the lower cover 8, and good sealing performance of the welding part is ensured; a cleaning unit 5 is fixed on the side surface of the rotating frame 4, and the cleaning unit 5 and the inner wall of the cylinder 9 slide and scratch; one end of the blow-down pipe joint 15 is welded and fixed on the bottom surface of the lower cover 8, the blow-down pipe joint 15 is communicated with the inner cavity of the cylinder 9, and the other end of the blow-down pipe joint 15 is in threaded sealing connection with a blow-down valve.
In one embodiment of the present utility model, as shown in fig. 3, 5 and 6, the rotating frame 4 includes a first rotating sleeve 401, a second rotating sleeve 402 and a plurality of brackets 403, one ends of the plurality of brackets 403 are fixed on the outer wall of the first rotating sleeve 401, the other ends of the plurality of brackets 403 are fixed on the outer wall of the second rotating sleeve 402, the first rotating sleeve 401 and the second rotating sleeve 402 are coaxially arranged, and the plurality of brackets 403 are circumferentially and uniformly distributed on the peripheries of the first rotating sleeve 401 and the second rotating sleeve 402; the first rotating sleeve 401 is connected with the working end of the driving unit 2;
the step of the outer wall of the fixed shaft head 6 is rotationally connected with a polytetrafluoroethylene shaft sleeve 404, and the inner hole of the second rotary sleeve 402 is in interference fit with the shaft sleeve 404; the bottom end of the outer wall of the fixed shaft head 6 is provided with a polytetrafluoroethylene gasket 405, and the bottom surface of the second rotary sleeve 402 is connected with the top surface of the gasket 405; the bracket 403 specifically adopts a split structure of an upper bracket and a lower bracket, and the joint of the upper bracket and the lower bracket is provided with a bolt and a slot which are matched with each other, so that the rotary frame 4 is convenient to mount and dismount.
In one embodiment of the present utility model, as shown in fig. 6, the working end of the driving unit 2 is connected with the inner hole of the first rotating sleeve 401 by a key, and the plurality of screws 3 are abutted against the side surface of the working end of the driving unit 2 by threaded holes provided on the side wall of the first rotating sleeve 401.
In one embodiment of the present utility model, as shown in fig. 3, the cleaning unit 5 is made of abrasion-resistant rubber, and the cleaning unit 5 is adhesively fixed to the outer side and the bottom surface of the bracket 403.
In a specific embodiment of the present utility model, as shown in fig. 4, the observation window 1 includes a seal head 101, a seal gasket 102 and a sight glass 103, the two seal gaskets 102 are coaxially disposed in a stepped hole of an inner cavity of the seal head 101, and the sight glass 103 is coaxially disposed between the two seal gaskets 102; the inner wall of one end of the seal head 101 is provided with threads, and the threads are connected with the end part of a first through hole 901 arranged on the cylinder 9 in a sealing way.
In one embodiment of the utility model, as shown in fig. 2 and 4, the sight glass 103 is made of high temperature and high pressure resistant soda lime glass and can withstand the screw pre-tension force and the high temperature water in the cylinder 9 during installation.
In one embodiment of the present utility model, as shown in fig. 1, the driving unit 2 includes a low-speed motor and a decelerator, an output shaft of which penetrates the upper cover 7 and is connected to the rotating frame 4.
In an embodiment of the present utility model, as shown in fig. 5, the refrigerant pipe 10 passes through the second through hole 601 of the fixed shaft head 6, the heat medium pipe 11 passes through the third through hole 602 of the fixed shaft head 6, and the refrigerant pipe 10 and the heat medium pipe 11 are welded and fixed on the fixed shaft head 6 respectively, and meanwhile, good sealing performance of the welded part is ensured.
In one embodiment of the present utility model, as shown in fig. 2, one end of the floating coil 14 is connected to the refrigerant pipe 10, and the other end of the floating coil 14 is connected to the heat medium pipe 11, and since the floating coil 14, the refrigerant pipe 10 and the heat medium pipe 11 are conventional, only a brief description will be given herein.
In a specific embodiment of the present utility model, as shown in fig. 1, the upper port and the lower port of the cylinder 9 are respectively provided with a connecting flange, the end surface of the flange is provided with a sealing gasket, the upper cover 7 is fixedly connected to the flange of the upper port of the cylinder 9 through bolts, and the lower cover 8 is fixedly connected to the flange of the lower port of the cylinder 9 through bolts.
In a specific embodiment of the utility model, as shown in fig. 1, a water outlet pipe 13 is welded on the side surface of the upper end of the cylinder 9, and the water outlet pipe 13 is communicated with the inner cavity of the cylinder 9; the bottom surface of the lower cover 8 is welded with a water inlet pipe 12, and the water inlet pipe 12 is communicated with the inner cavity of the cylinder 9.
The utility model relates to a floating coil heat exchanger working principle: when the dirt on the inner wall of the cylinder 9 and the dirt on the lower cover 8 need to be cleaned through the observation window 1 or when the water quality in the cylinder 9 is observed to be poor, the driving unit 2 is started, the driving unit 2 drives the rotating frame 4 to rotate, the cleaning unit 5 fixed on the rotating frame 4 scrapes and grinds the cylinder 9 and the lower cover 8 simultaneously, the dirt adhered on the cylinder 9 and the lower cover 8 is scraped, the sewage pipe joint 15 is opened, the dirt and the sewage are discharged simultaneously, and the step n+1 is executed until the inner walls of the cylinder 9 and the lower cover 8 are clean, and the water quality is good.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. The utility model provides a floating coil heat exchanger, includes upper cover (7), lower cover (8), barrel (9) and blow off coupling (15), its characterized in that: the device also comprises an observation window (1), a driving unit (2), a rotating frame (4), a cleaning unit (5) and a fixed shaft head (6), wherein the observation window (1) is fixed on the outer wall of the cylinder body (9) in a sealing way; the driving unit (2) is vertically arranged in the middle of the top surface of the upper cover (7), the working end of the driving unit (2) extends into the inner cavity of the cylinder body (9) in a sealing mode, the fixed shaft head (6) is vertically arranged on the inner side of the middle of the lower cover (8), the top end of the rotating frame (4) is fixed on the working end of the driving unit (2), and the bottom end of the rotating frame (4) is connected to the fixed shaft head (6) in a rotating mode; the cleaning unit (5) is fixed on the side surface of the rotating frame (4), and the cleaning unit (5) can scratch the inner wall of the cylinder body (9); the blow-down pipe joint (15) is fixed on the bottom surface of the lower cover (8), and the blow-down pipe joint (15) is communicated with the inner cavity of the cylinder body (9).
2. The floating coil heat exchanger of claim 1 wherein: the rotating frame (4) comprises a first rotating sleeve (401), a second rotating sleeve (402) and a support (403), one end of the support (403) is fixed on the outer wall of the first rotating sleeve (401), the other end of the support (403) is fixed on the outer wall of the second rotating sleeve (402), the first rotating sleeve (401) and the second rotating sleeve (402) are coaxially arranged, and a plurality of supports (403) are circumferentially and uniformly distributed on the peripheries of the first rotating sleeve (401) and the second rotating sleeve (402); the first rotary sleeve (401) is connected with the working end of the driving unit (2), and the second rotary sleeve (402) is rotatably sleeved on the fixed shaft head (6).
3. The floating coil heat exchanger of claim 2 wherein: the support (403) comprises an upper support and a lower support which are detachably connected, and a bolt and a slot which are matched with each other are arranged at the joint of the upper support and the lower support.
4. The floating coil heat exchanger of claim 2 wherein: the working end of the driving unit (2) is connected with the inner hole of the first rotary sleeve (401) through a key, and a plurality of screws (3) are tightly propped against the side surface of the working end of the driving unit (2) through threaded holes formed in the side wall of the first rotary sleeve (401).
5. The floating coil heat exchanger of claim 2 wherein: the cleaning unit (5) is made of wear-resistant rubber, and the cleaning unit (5) is fixedly adhered to the outer side surface and the bottom surface of the bracket (403).
6. The floating coil heat exchanger of claim 1 wherein: the observation window (1) comprises an end socket (101), sealing gaskets (102) and a sight glass (103), wherein the two sealing gaskets (102) are coaxially arranged in a step hole of an inner cavity of the end socket (101), and the sight glass (103) is coaxially arranged between the two sealing gaskets (102); the inner wall of one end of the seal head (101) is provided with threads, and the threads are connected with the end part of a first through hole (901) arranged on the cylinder body (9) in a sealing mode.
7. The floating coil heat exchanger of claim 6 wherein: the sight glass (103) is made of high-temperature and high-pressure resistant soda lime glass.
8. The floating coil heat exchanger of claim 1 wherein: the drive unit (2) comprises a low-speed motor and a speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321534986.1U CN219934780U (en) | 2023-06-16 | 2023-06-16 | Floating coil heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321534986.1U CN219934780U (en) | 2023-06-16 | 2023-06-16 | Floating coil heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219934780U true CN219934780U (en) | 2023-10-31 |
Family
ID=88499800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321534986.1U Active CN219934780U (en) | 2023-06-16 | 2023-06-16 | Floating coil heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219934780U (en) |
-
2023
- 2023-06-16 CN CN202321534986.1U patent/CN219934780U/en active Active
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