CN211575937U - High-efficient scale control heat exchanger and industry waste heat recovery system - Google Patents
High-efficient scale control heat exchanger and industry waste heat recovery system Download PDFInfo
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- CN211575937U CN211575937U CN202020164753.7U CN202020164753U CN211575937U CN 211575937 U CN211575937 U CN 211575937U CN 202020164753 U CN202020164753 U CN 202020164753U CN 211575937 U CN211575937 U CN 211575937U
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- 238000011084 recovery Methods 0.000 title claims abstract description 14
- 239000002918 waste heat Substances 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 216
- 239000008399 tap water Substances 0.000 claims description 49
- 235000020679 tap water Nutrition 0.000 claims description 49
- 239000002440 industrial waste Substances 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 3
- 230000003020 moisturizing effect Effects 0.000 description 10
- 239000010865 sewage Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the heat transfer, a high-efficient scale control heat exchanger and industry waste heat recovery system is disclosed, high-efficient scale control heat exchanger includes: the box body is provided with a water inlet and a water outlet; the primary water collector is arranged in the box body; the secondary water collector is provided with at least one water collector, one end of the secondary water collector is closed, and the other end of the secondary water collector is communicated with the primary water collector; the first-stage water separator is arranged in the box body; each secondary water separator is arranged opposite to one secondary water collector, one end of each secondary water separator is closed, and the other end of each secondary water separator is communicated with the corresponding primary water separator; the coil pipe is of a spiral structure, one end of the coil pipe is communicated with the secondary water collector, and the other end of the coil pipe is communicated with the opposite secondary water separator. Through the coil pipe of heliciform structure, effectively increase the heat transfer area in the unit volume, improve heat exchange efficiency. In addition, the coil pipe can stretch out and draw back by a small margin because of the change of inside and outside medium temperature of pipe, and the incrustation scale that the coil pipe surface formed can drop by oneself, effectively avoids the incrustation scale accumulation.
Description
Technical Field
The utility model relates to a heat transfer technical field especially relates to a high-efficient scale control heat exchanger and industrial waste heat recovery system.
Background
At present, industrial waste heat recovery systems are mostly used in the fields of building heating, bath water preparation, freezing prevention in special places and the like. Such systems generally consist of a two-stage plate heat exchanger, in which: the first-stage plate heat exchanger is used for preparing circulating water at about 60 ℃ by using industrial waste heat of backwater, the circulating water is conveyed to the second-stage plate heat exchanger through the water pump and is used for heating tap water or softened water to prepare bath water at about 42 ℃ or heating water at about 45 ℃, and the bath water or the heating water is conveyed to the water tank or the water separator through the water pump and is used for preventing freezing in bathing, heating or special places.
The water inlet and outlet of the plate heat exchanger adopted by the existing industrial waste heat recovery system have water flow short circuit and eddy current to a certain degree, so that the heating is not uniform and the heat exchange efficiency is influenced. In addition, the water quality of general industrial and mining enterprises is poor, the hardness is high, the plate heat exchanger is easy to scale, and the heat exchange efficiency and the hot water preparation time are seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient scale control heat exchanger to solve the easy scale deposit's of plate heat exchanger problem.
Another object of the present invention is to provide an industrial waste heat recovery system, which can simplify the system complexity and improve the system economy.
To achieve the purpose, the utility model adopts the following technical proposal:
a high efficiency antiscale heat exchanger, comprising:
the box body is provided with a water inlet and a water outlet;
the primary water collector is arranged in the box body;
the secondary water collector is provided with at least one water collector, one end of the secondary water collector is closed, and the other end of the secondary water collector is communicated with the primary water collector;
the first-stage water separator is arranged in the box body;
each secondary water separator is arranged opposite to one secondary water collector, one end of each secondary water separator is closed, and the other end of each secondary water separator is communicated with the corresponding primary water separator;
the coil pipe is of a spiral structure, one end of the coil pipe is communicated with the secondary water collector, and the other end of the coil pipe is communicated with the secondary water separator.
Preferably, the primary water separator is communicated with a circulating water supply pipeline, and a circulating water pump is arranged on the circulating water supply pipeline.
Preferably, the circulating water system further comprises a thermocouple arranged in the box body, the thermocouple is used for detecting the water temperature in the box body, and when the water temperature reaches an upper limit value, the circulating water pump stops running.
Preferably, the water inlet is communicated with a tap water replenishing pipeline, and a tap water replenishing electromagnetic valve is arranged on the tap water replenishing pipeline.
Preferably, a cable floating ball is arranged in the box body, the cable floating ball is connected to the tap water replenishing electromagnetic valve, and the tap water replenishing electromagnetic valve is configured to be automatically closed when the cable floating ball sends a signal.
Preferably, the water separator further comprises an upper support and a lower support which are arranged in the box body, the upper support is used for fixing the secondary water collector, and the lower support is used for fixing the secondary water separator.
Preferably, the water outlet is communicated with a tap water outlet pipeline, and a tap water outlet butterfly valve is arranged on the tap water outlet pipeline.
Preferably, the sewage treatment device further comprises a sewage discharge pipeline communicated with the bottom of the box body, and a sewage discharge valve is arranged on the sewage discharge pipeline.
Preferably, the heat exchange area of the coil is not less than 2.6 square meters.
The utility model also provides an industrial waste heat recovery system, including foretell high-efficient scale control heat exchanger.
The utility model has the advantages that:
the utility model discloses a high-efficient scale control heat exchanger, through helical structure's coil pipe, the heat transfer area in the unit volume is effectively increased in one of them aspect, and the crooked helical coiled passage of on the other hand is favorable to strengthening fluidic torrent state, reduces the interior fluid resistance of passageway, helps improving heat exchange efficiency. In addition, the coil pipe of helical structure can be because of the change of inside and outside medium temperature and the small amplitude is flexible, because incrustation scale and stainless steel expansion coefficient are different, the incrustation scale that the coil pipe surface formed can drop by oneself, effectively avoids the incrustation scale accumulation.
The utility model discloses an industry waste heat recovery system can simplify system complexity through above-mentioned high-efficient scale control heat exchanger to promote system economy.
Drawings
Figure 1 is the structure schematic diagram of the high-efficient scale control heat exchanger that the utility model provides.
In the figure:
1. a box body; 2. a primary water collector; 3. a secondary water collector; 4. a first-stage water separator; 5. a secondary water separator; 6. a coil pipe; 7. a circulating water supply pipeline; 8. a thermocouple; 9. a tap water replenishing pipeline; 10. a tap water replenishing electromagnetic valve; 11. a cable float ball; 12. an upper bracket; 13. a lower bracket; 14. a tap water outlet pipeline; 15. a tap water outlet butterfly valve; 16. a blowdown line; 17. a blowdown butterfly valve; 18. a tap water replenishing butterfly valve; 19. a circulating water return pipeline; 20. a circulating water return butterfly valve; 21. the circulating water supplies water butterfly valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a high-efficient scale control heat exchanger, as shown in figure 1, this high-efficient scale control heat exchanger includes box 1, one-level water collector 2, second grade water collector 3, one-level water knockout drum 4, second grade water knockout drum 5 and coil pipe 6, wherein:
the case 1 may have a rectangular structure or may have a structure having an internal cavity in another shape. The box body 1 is wholly closed and used for storing tap water required by a user, the volume of the box body is not less than 70 cubic meters, the effective volume is not less than 50 cubic meters, the volume utilization rate is high, no dead water area exists, and water supply is safe and stable.
Be equipped with water inlet and outlet on box 1, wherein the water inlet intercommunication has running water moisturizing pipeline 9, and this running water moisturizing pipeline 9 sets up preferably in the top of box 1, utilizes the density difference of cold, hot water, can realize that cold running water sinks naturally, and hot running water floats naturally, has further increased the disturbance of running water, improves the heat exchange efficiency of heat exchanger. Still be equipped with running water moisturizing solenoid valve 10 and running water moisturizing butterfly valve 18 on this running water moisturizing pipeline 9, wherein running water moisturizing solenoid valve 10 is used for controlling the break-make of running water moisturizing pipeline 9, and running water moisturizing butterfly valve 18 is normally in normally open state, when needs overhaul, closes running water moisturizing passageway through running water moisturizing butterfly valve 18.
Further, a cable floating ball 11 is further arranged at the top of the box body 1, the cable floating ball 11 is connected to a tap water replenishing electromagnetic valve 10, specifically, a circuit of the cable floating ball 11 is connected in series with the tap water replenishing electromagnetic valve 10, when the water level of tap water in the box body 1 reaches a high-level control height, the cable floating ball 11 is lifted up by buoyancy, and at the moment, the tap water replenishing electromagnetic valve 10 is automatically closed to stop replenishing water into the box body 1. Along with the consumption of tap water, the cable floating ball 11 continuously descends along with the descending of the tap water level in the box body 1, and when the cable floating ball is descended to the low-level control height, namely the cable floating ball 11 returns to the original position, the tap water replenishing electromagnetic valve 10 is automatically opened to automatically replenish water into the box body 1. Through the setting of above-mentioned cable floater 11, can effectively realize the automatic water supply to box 1, the water level of the interior running water of reasonable control box 1, degree of automation is high.
The water outlet is communicated with a tap water outlet pipeline 14, the tap water outlet pipeline 14 is arranged at the bottom of the box body 1, and a tap water outlet butterfly valve 15 is arranged on the tap water outlet pipeline 14 and used for controlling the on-off of the tap water outlet pipeline 14 so as to facilitate maintenance operation.
Further, in the present embodiment, a drain pipe 16 is further provided at the bottom of the tank 1, the drain pipe 16 is used for discharging impurities such as scale in the tank 1, and a drain butterfly valve 17 is provided on the drain pipe 16.
The first-stage water collector 2 is arranged in the box body 1 and located at the top, one end of the first-stage water collector 2 penetrates through the box body 1 and is communicated with a circulating water return pipeline 19, and a circulating water return butterfly valve 20 is arranged on the circulating water return pipeline 19.
The above-mentioned second grade water collector 3 is provided with at least one, and in this embodiment is provided with a plurality of, which is determined according to the volume of the box body 1, and the plurality of second grade water collectors 3 are provided at equal intervals. One end of the second-stage water collector 3 is closed, the other end of the second-stage water collector is communicated with the first-stage water collector 2, and circulating water in the second-stage water collector 3 can flow into the circulating water return pipeline 19 through the first-stage water collector 2.
The first-stage water segregator 4 is arranged in the box body 1 and located at the bottom, one end of the first-stage water segregator 4 penetrates through the box body 1 and is communicated with a circulating water supply pipeline 7, and a circulating water supply butterfly valve 21 is arranged on the circulating water supply pipeline 7.
The secondary water separator 5 is provided with at least one, and in the present embodiment, the secondary water separator is provided in a plurality of numbers, which is determined according to the volume of the box body 1, and the plurality of secondary water separators 5 are arranged at equal intervals, and each secondary water separator 5 is arranged opposite to one secondary water collector 3. One end of the secondary water separator 5 is closed, the other end of the secondary water separator is communicated with the primary water separator 4, and circulating water in the circulating water supply pipeline 7 enters the primary water separator 4 and flows into the secondary water separator 5 from the primary water separator 4.
Through setting up above-mentioned one-level water knockout drum 4 and second grade water knockout drum 5 in this embodiment, can realize equally dividing the circulating water, and then make the heat transfer of circulating water and the interior running water of box 1 more abundant even.
In this embodiment, the coil pipes 6 are arranged in the box body 1, the number of the coil pipes 6 is the same as that of the secondary water distributors 5, one end of each coil pipe 6 is communicated with the secondary water distributor 5, the other end of each coil pipe 6 is communicated with the secondary water collector 3, and the coil pipes 6 are connected with the secondary water distributor 5 and the secondary water collector 3 through stainless steel flexible connections. Circulating water in the circulating water supply pipeline 7 enters the primary water segregator 4, is uniformly distributed into the secondary water segregator 5 by the primary water segregator 4, then enters the coil 6 to exchange heat with tap water in the box body 1, enters the secondary water collector 3 after heat exchange, finally collects in the primary water collector 2, and then flows out through the circulating water return pipeline 19.
Preferably, in this embodiment, the coil 6 has a spiral structure, so that on one hand, the heat exchange area in a unit volume can be effectively increased to be not less than 2.6 square meters; on the other hand, the bent spiral channel is beneficial to enhancing the turbulent state of fluid (namely circulating water), reducing the resistance of the fluid in the channel and improving the heat exchange efficiency.
The coil 6 is made of DN32 stainless steel tube, has circular spiral shape, diameter no less than 0.8m, and length no less than 35m after being unfolded. Adopt above-mentioned heliciform and material to be coil pipe 6 of stainless steel, coil pipe 6 can stretch out and draw back by a small margin because of the change of inside and outside medium temperature of pipe, because incrustation scale and stainless steel expansion coefficient are different, the incrustation scale that 6 surfaces of coil pipe formed can drop by oneself, effectively avoids the incrustation scale accumulation, and the incrustation scale that drops passes through sewage pipes 16 and discharges.
In this embodiment, a circulating water pump (not shown) is provided in the circulating water supply pipeline 7, and circulating water can be supplied to the circulating water supply pipeline 7 by the circulating water pump.
In the present embodiment, a thermocouple 8 is preferably provided in the tank 1, and the thermocouple 8 is used to detect the temperature of water in the tank 1. In this embodiment, it is preferable that the circuit of the thermocouple 8 is connected in series with the circulating water pump, and when the thermocouple 8 detects that the temperature of the tap water in the tap water tank reaches the upper limit value, the circulating water pump automatically stops conveying the circulating water; when the thermocouple 8 detects that the temperature of tap water in the tap water tank is reduced to a lower limit value, the circulating water pump is automatically started to convey circulating water into the coil 6.
In this embodiment, an upper bracket 12 is provided on the top of the tank 1, and the secondary water collector 3 is fixed to the upper bracket 12. The bottom of the box body 1 is provided with a lower bracket 13, and the secondary water separator 5 is fixed on the lower bracket 13.
When the high-efficiency anti-scaling heat exchanger of the embodiment operates, the circulating water return butterfly valve 20, the tap water replenishing butterfly valve 18, the tap water outlet butterfly valve 15 and the circulating water supply butterfly valve 21 are firstly opened, the tap water replenishing electromagnetic valve 10 is closed, and the sewage discharge butterfly valve 17 is closed. Tap water flows into the tap water box body 1 through the tap water replenishing butterfly valve 18 and the tap water replenishing electromagnetic valve 10 through the tap water replenishing pipeline 9. The circulating water that flows into circulating water supply pipe 7 is demineralized water or reverse osmosis water, and the circulating water gets into one-level water knockout drum 4 through circulating water supply pipe 7, is divided to each second grade water knockout drum 5 by one-level water knockout drum 4, then gets into coil pipe 6, and the running water heat transfer with the running water in box 1, heats the running water, later gets into second grade water collector 3 to get into one-level water collector 2 through second grade water collector 3, later flow out through circulating water return pipe 19.
The utility model also provides an industrial waste heat recovery system, including foretell high-efficient scale control heat exchanger. Preferably, the industrial waste heat recovery system may be a recovery system using waste heat of an air compressor. Firstly, recovering heat in high-temperature lubricating oil of an air compressor by using an oil-water plate type heat exchanger to prepare 65 ℃ circulating water; then 65 ℃ circulating water is conveyed to a primary water separator 4 of the efficient anti-scaling heat exchanger through a circulating water pump, flows into a coil 6 through a secondary water separator 5, heats tap water in the box body 1 to 42 ℃, and flows out through a circulating water return pipeline 19 after the temperature of the circulating water is reduced to 50 ℃ and returns to the oil-water plate type heat exchanger for recycling; finally, tap water at 42 ℃ flows out through the tap water outlet pipeline 14 for users to use.
The utility model discloses an industry waste heat recovery system can simplify system complexity through above-mentioned high-efficient scale control heat exchanger to promote system economy.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An efficient antiscaling heat exchanger, characterized in that it comprises:
the box body (1) is provided with a water inlet and a water outlet;
the primary water collector (2) is arranged in the box body (1);
at least one secondary water collector (3) is arranged, one end of the secondary water collector (3) is closed, and the other end of the secondary water collector is communicated with the primary water collector (2);
the primary water separator (4) is arranged in the box body (1);
each secondary water separator (5) is arranged opposite to one secondary water collector (3), one end of each secondary water separator (5) is closed, and the other end of each secondary water separator (5) is communicated with the corresponding primary water separator (4);
coil pipe (6), be helical structure, the one end intercommunication of coil pipe (6) second grade water collector (3), the other end intercommunication is relative second grade water knockout drum (5).
2. The efficient antiscaling heat exchanger according to claim 1, wherein the primary water separator (4) is connected to a circulating water supply pipeline (7), and a circulating water pump is disposed on the circulating water supply pipeline (7).
3. The efficient antiscaling heat exchanger according to claim 2, further comprising a thermocouple (8) disposed in the tank (1), wherein the thermocouple (8) is used for detecting the temperature of water in the tank (1), and when the temperature of water reaches an upper limit value, the circulating water pump stops operating.
4. The efficient antiscaling heat exchanger according to claim 1, wherein the water inlet is connected to a tap water replenishing pipeline (9), and a tap water replenishing electromagnetic valve (10) is arranged on the tap water replenishing pipeline (9).
5. The high-efficiency antiscaling heat exchanger according to claim 4, wherein a cable float (11) is provided in the box (1), the cable float (11) is connected to the service water replenishing solenoid valve (10), and the service water replenishing solenoid valve (10) is configured to automatically close when the cable float (11) sends a signal.
6. The high-efficiency antiscaling heat exchanger according to claim 1, further comprising an upper bracket (12) and a lower bracket (13) both arranged in the tank (1), wherein the upper bracket (12) is used for fixing the secondary water collector (3) and the lower bracket (13) is used for fixing the secondary water separator (5).
7. The efficient anti-scaling heat exchanger according to claim 1, wherein the water outlet is communicated with a tap water outlet pipeline (14), and a tap water outlet butterfly valve (15) is arranged on the tap water outlet pipeline (14).
8. The efficient anti-scaling heat exchanger according to claim 1, further comprising a blowdown pipeline (16) communicated with the bottom of the tank body (1), wherein a blowdown butterfly valve (17) is arranged on the blowdown pipeline (16).
9. A high efficiency antiscalant heat exchanger according to claim 1, characterized in that the heat exchange area of the coil (6) is not less than 2.6 square meters.
10. An industrial waste heat recovery system, characterized by comprising a high efficiency antiscaling heat exchanger according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020164753.7U CN211575937U (en) | 2020-02-12 | 2020-02-12 | High-efficient scale control heat exchanger and industry waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020164753.7U CN211575937U (en) | 2020-02-12 | 2020-02-12 | High-efficient scale control heat exchanger and industry waste heat recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN211575937U true CN211575937U (en) | 2020-09-25 |
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| CN202020164753.7U Expired - Fee Related CN211575937U (en) | 2020-02-12 | 2020-02-12 | High-efficient scale control heat exchanger and industry waste heat recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156838A (en) * | 2020-02-12 | 2020-05-15 | 中煤科工(天津)清洁能源研究院有限公司 | High-efficient scale control heat exchanger and industry waste heat recovery system |
-
2020
- 2020-02-12 CN CN202020164753.7U patent/CN211575937U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156838A (en) * | 2020-02-12 | 2020-05-15 | 中煤科工(天津)清洁能源研究院有限公司 | High-efficient scale control heat exchanger and industry waste heat recovery system |
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Granted publication date: 20200925 |