CN106802107B - Vertical rotary sewage heat exchanger and cleaning method thereof - Google Patents
Vertical rotary sewage heat exchanger and cleaning method thereof Download PDFInfo
- Publication number
- CN106802107B CN106802107B CN201710175698.4A CN201710175698A CN106802107B CN 106802107 B CN106802107 B CN 106802107B CN 201710175698 A CN201710175698 A CN 201710175698A CN 106802107 B CN106802107 B CN 106802107B
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- Prior art keywords
- heat exchange
- sewage
- ball
- box body
- heat exchanger
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- 239000010865 sewage Substances 0.000 title claims abstract description 74
- 238000004140 cleaning Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 11
- 239000010935 stainless steel Substances 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims 1
- 230000003116 impacting effect Effects 0.000 claims 1
- 238000012546 transfer Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
Abstract
The invention relates to the field of energy utilization, in particular to a vertical rotary sewage heat exchanger and a cleaning method thereof. The rubber ball cleaning device comprises a cylindrical box body, a spiral heat exchange plate, a rotating shaft and a rubber ball cleaning device arranged on the outer side wall of the box body. The upper part of the box body is provided with a sewage inlet and a clear water outlet, and the lower part of the box body is provided with a sewage outlet and a clear water inlet. The clean water flows from bottom to top in the hollow heat exchange plates, and the sewage flows from top to bottom in the space between the heat exchange plates. One end of the heat exchange plate is welded with the rotating shaft, and the other end of the heat exchange plate is closed and has a small gap with the inner wall of the box body. The rotating shaft is made of stainless steel pipe, is positioned in the center of the upper end surface and the lower end surface of the box body, penetrates through bearings fixed on the upper end surface and the lower end surface, and is connected with the clean water inlet and outlet through a shaft connecting device. The lower end of the rotating shaft is provided with a driven wheel which is connected with a driving wheel driven by a motor through a gear or a belt. The rotating shaft drives the heat exchange plate to rotate, and rubber balls on the heat exchange surface are cleaned. The invention avoids the possibility of filth blockage and can realize on-line rubber ball cleaning and efficient and continuous heat exchange of sewage.
Description
One, the technical field
The invention relates to the field of energy utilization, in particular to a vertical rotary sewage heat exchanger and a cleaning method thereof.
Second, background Art
The urban sewage is used as a renewable low-temperature heat source, can replace part of coal-fired and oil-fired boilers, can properly relieve the environmental problems of China, can optimize the energy structure of China, and has great significance for national energy conservation and emission reduction.
The sewage heat exchanger is a key device for realizing the heat utilization of urban sewage, and sewage and clean water realize non-contact heat exchange in the sewage heat exchanger. However, when sewage is introduced into the heat exchanger as a bad water quality, scale formation on the heat exchange surface is inevitable, so that the heat resistance of the heat exchange surface is increased, and the overall heat transfer coefficient of the heat exchanger is reduced rapidly. Sewage and dirt can even block a heat exchange pipeline, and the continuous and stable heat exchange of the heat exchanger is influenced. Therefore, the sewage heat exchanger has a plurality of technical problems of easy scaling, difficult cleaning, easy blockage and the like.
At present, the sewage heat exchanger mainly comprises three types, namely an immersion type heat exchanger, a shell-and-tube type heat exchanger and a leaching type heat exchanger. The immersion type sewage heat exchanger directly soaks the sewage heat exchanger in a sewage pit, and has good corrosion resistance and anti-blocking performance. However, the heat exchange mode is natural convection, the heat exchange efficiency is low, the heat exchange area is large, the deposition and cleaning of the dirt in the heat exchange pool are difficult to solve, and the heat exchange pool is not suitable for being popularized in large-scale engineering. The shell-and-tube sewage heat exchanger has the heat exchange form of forced convection, has large heat transfer coefficient, is difficult to clean and has larger maintenance workload. The spray type sewage heat exchanger effectively solves the problem of blockage and scaling of the heat exchanger, and the heat transfer coefficient is higher. But the outer side of the surface of the heat exchanger needs to be periodically cleaned, the period is short, and the form system has the problem of secondary pollution.
The invention provides a vertical rotary sewage heat exchanger and a cleaning method thereof, which have no problem of filth blockage, have enhanced heat transfer and certain descaling capacity by utilizing the rotation of a heat exchange tube, and can realize real-time online disassembly-free cleaning of the heat exchanger by matching with rubber ball cleaning. The heat exchange is forced convection, and the cleaning water and the sewage are subjected to countercurrent flow heat exchange. The invention overcomes the defects of the heat exchanger and provides a new way and a new method for better utilizing sewage resources.
Third, the invention
The invention aims to provide a vertical rotary sewage heat exchanger and a cleaning method thereof, which can realize real-time online rubber ball cleaning, have the characteristics of forced convection and countercurrent heat exchange, avoid the possibility of filth blockage and realize efficient and continuous heat exchange of sewage.
In order to achieve the purpose, the invention adopts the technical scheme that:
a vertical rotary sewage heat exchanger comprises a cylindrical box body, a rotating shaft and a spiral heat exchange plate welded together with the rotating shaft. The spiral heat exchange plate is characterized in that the spiral heat exchange plate is hollow and comprises an upper spiral heat exchange surface and a lower spiral heat exchange surface, one end of each heat exchange surface is welded with the rotating shaft, and the end part of the other end of each heat exchange surface is closed and has a certain gap from the inner wall surface of the box body. The hollow inside of the spiral heat exchange plate is a flow channel of clear water, an inlet of the clear water is positioned on a rotating shaft at the bottom of the box body, and an outlet of the clear water is positioned on the rotating shaft at the top of the box body. The space enclosed between two adjacent spiral heat exchange plates is a main flow channel of sewage, a sewage inlet is arranged at the upper end part of the box body, and a sewage outlet is arranged at the lower end part of the box body. The rotating shaft is positioned at the center of the cylindrical box body, the rotating bearing at the upper part of the rotating shaft is connected with the upper end part of the box body, and the rotating bearing at the lower part of the rotating shaft is connected with the lower end part of the box body. The rotating bearing adopts a thrust self-aligning roller bearing, has great axial load capacity and can bear certain radial load. The rotating shaft is made of a thick-walled stainless steel pipe, a section of spiral port is formed in the lowest portion of the rotating shaft inside the box body and welded with the spiral heat exchange plate, a section of spiral port is formed in the highest portion of the rotating shaft inside the box body and welded with the spiral heat exchange plate, and the rest portion of the rotating shaft is directly welded with the spiral heat exchange plate. The inner cavity of the middle pipe of the rotating shaft is filled with filling materials, and the inner cavities are reserved at two ends of the middle pipe of the rotating shaft, so that clear water can flow conveniently. The lower part of the rotating shaft exposed outside the box body is provided with a driven wheel which is connected with a driving wheel of a motor through a gear or a belt, so that the rotating shaft and the heat exchange plate can rotate. The parts of the rotating shafts extending out of the upper end and the lower end of the box body are connected with the pipeline which does not rotate through the shaft connecting device.
The outer side surface of the box body is provided with a rubber ball cleaning circulating pipe, the upper part of the circulating pipe is connected with the top of the box body of the heat exchanger, and the lower part of the circulating pipe is connected with the bottom of the box body of the heat exchanger. The circulating pipe is provided with a rubber ball circulating valve, and a pipeline is arranged above the circulating valve and is connected with the ball collecting valve and the ball collecting chamber. The ball collecting chamber is also used as a ball serving chamber, and the bottom of the ball collecting chamber is provided with a pipeline which is connected with a ball serving valve and a rubber ball cleaning circulating pipe.
Preferably, the spiral heat exchange plate is made of stainless steel.
Preferably, the box body is made of stainless steel materials.
The invention has the advantages that:
1, the device is suitable for sewage heat exchange, a sewage flow passage adopts a wide flow passage, the interior of the flow passage is smooth, and the flow passage is not easy to block;
2, the heat exchange surface is a spiral plane and is made of stainless steel, the surface is polished, and dirt is difficult to deposit and adhere. The sewage flows from top to bottom along the inclined spiral flow channel, and the sewage at the back continuously washes the sewage at the front under the action of gravity, so that the heat exchanger is not easy to scale, has certain self-cleaning capability and has long cleaning period;
3, the heat exchange between the sewage and the clear water is forced convection heat exchange, and the sewage and the clear water are countercurrent heat exchange, so that the heat exchange coefficient is high, and the heat exchange temperature difference is large;
and 4, during cleaning, the rotating device of the rotating shaft is started, the rubber balls entering the heat exchanger roll from bottom to top along the spiral sewage flow channel under the action of the spiral, and rub and impact the heat exchange surface of the flow channel to take away dirt on the surface of the flow channel. After the rubber balls reach the upper part, the rubber balls roll to the bottom of the heat exchanger along the rubber ball circulating pipe by gravity and enter the bottom spiral, and the on-line cleaning of the rubber balls is realized by the circulation;
5, the heat exchanger is made of stainless steel and has the characteristic of corrosion resistance.
The sewage heat exchanger provided by the invention is suitable for sewage heat exchange, is not easy to block, is not easy to deposit impurity and dirt on a heat exchange surface, has certain self-cleaning capability and high heat exchange coefficient, and realizes online rubber ball cleaning. The sewage heat exchanger can work stably for a long time and can keep higher heat exchange efficiency all the time.
Description of the drawings
Fig. 1 is a schematic view of a vertical rotary sewage heat exchanger.
FIG. 2 is a schematic view showing the flowing direction of sewage and clean water in the working process of the vertical rotary sewage heat exchanger.
FIG. 3 is a schematic view of a rotating shaft coupled to a non-rotating shaft.
In the figure, 1 is a box body, 2 is a clean water inlet, 3 is a clean water outlet, 4 is a sewage inlet, 5 is a sewage outlet, 6 is a rotating shaft, 7 is a spiral heat exchange plate, 8 is a rotating periphery driven wheel, 9 is a motor driving rotating wheel, 10 is a motor, 11 is a rotating shaft and non-rotating shaft connecting device, 12 is a rubber ball circulating pipeline control valve, 13 is a ball collecting valve, 14 is an inward opening type loose-leaf door, 15 is a ball collecting chamber (also used as a ball distributing chamber), 16 is a rubber ball, 17 is a ball distributing valve, 18 is a rubber ball circulating pipeline, 19 is a rotating shaft rotating bearing, 20 is a box body supporting base, 111 is a connecting bolt, 112 is a rotating shaft sealing filler, 113 is a rotating shaft connecting shaft sleeve, and 114 is a non-rotating shaft connecting shaft sleeve.
Fifth, detailed description of the invention
The present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a sewage heat exchanger provided by the present invention, which comprises a cylindrical box 1 and a spiral heat exchange plate 7, wherein the upper part of the box 1 is provided with a sewage inlet 4 and a clean water outlet 3, and the lower part is provided with a sewage outlet 5 and a clean water inlet 2. The rotation shaft 6 is located at the center of the top and bottom surfaces of the case 1 and is made of a thick-walled stainless steel pipe. The bearings 19 connected to the rotating shaft 6 are fixed to the top and bottom surfaces of the case 1 by a connecting means. The spiral heat exchange plate 7 comprises an upper heat exchange surface and a lower heat exchange surface, the middle of the spiral heat exchange plate is hollow, and a flow channel of clear water is formed. One end of each of the two heat exchange surfaces of the heat exchange plate 7 is welded with the rotating shaft 6, and the end part of the other end of the heat exchange plate is closed and has a small gap from the inner wall surface of the box body 1. The lowest part of the rotating shaft 6 positioned in the box body 1 is provided with a section of spiral port to be welded with the spiral heat exchange plate 7, the uppermost part of the rotating shaft 6 positioned in the box body 1 is provided with a section of spiral port to be welded with the spiral heat exchange plate 7, and the rest part of the rotating shaft 6 is directly welded with the spiral heat exchange plate 7. The inner cavity of the middle pipe of the rotating shaft 6 is filled with filling materials, and the inner cavities are reserved at the two ends of the rotating shaft, so that clear water can flow conveniently. The lower part of the rotating shaft 6 exposed outside the box body 1 is provided with a driven wheel 8 which is connected with a driving wheel 9 driven by a motor 10 through a gear or a belt, so that the rotating shaft 6 and the heat exchange plate 7 rotate. The parts of the rotating shaft 6 extending out of the upper end part and the lower end part of the box body are connected with the clean water inlet pipeline 2 and the clean water outlet pipeline 3 through the shaft connecting device 11.
The outer side surface of the box body 1 is provided with a rubber ball cleaning circulating pipe 18, the upper part of the circulating pipe 18 is connected with the top of the heat exchanger box body 1, and the lower part of the circulating pipe 18 is connected with the bottom of the heat exchanger box body 1. The circulating pipe 18 is provided with a rubber ball circulating valve 12, and a pipeline close to the upper part of the circulating valve 12 is connected with a ball collecting valve 13 and a ball collecting chamber 15. The ball collecting chamber also serves as a ball serving chamber, and the bottom of the ball collecting chamber is provided with a pipeline which is connected with a ball serving valve 17 and a rubber ball cleaning circulating pipe 18. The outer side surface of the ball receiving chamber 15 is provided with a hinge inward opening door 14, which is convenient for taking out the rubber balls or adding the rubber balls. During normal heat exchange, the rotating shaft 6 is not fixed, and when the cleaning is needed, the sewage inlet valve and the clean water inlet valve are closed, so that sewage and clean water are not allowed to enter the heat exchanger. Then, the motor 10 is started to drive the driving wheel 9 to rotate, the driving wheel 9 is connected with the driven wheel 8 through a belt or a gear to drive the driven wheel 8 to rotate, and therefore the shaft 6 and the spiral heat exchange plate 7 rotate. When the spiral heat exchange plate 7 rotates, the circulation valve 12 and the ball sending valve 17 are opened, the ball receiving valve 13 is closed, and the rubber balls 16 enter the spiral heat exchange plate 7 along the circulation pipe 18 under the action of gravity. The rubber ball 16 moves from bottom to top along the spiral sewage flow channel under the action of the rotating force, and rubs and collides with the heat exchange surface of the spiral heat exchange plate 7 to take away dirt on the surface of the spiral heat exchange plate. In the design, the distance between two adjacent spiral plates 17 is made to be properly larger than the diameter of the rubber ball 16, so that the rubber ball can be cleaned to two surfaces in the flow passage and can not be clamped. After reaching the top of the spiral heat exchange plate 7, the rubber balls 16 roll to the bottom of the heat exchanger along the rubber ball circulating pipe 18 by gravity and enter the bottom spiral, and thus, the on-line cleaning of the rubber balls is realized. When cleaning, clear water can be added into the ball receiving chamber 15 through the loose-leaf door 14, so that the cleaning effect of the rubber balls is enhanced. After the cleaning is finished, the rotating shaft 6 is kept rotating, the circulating valve 12 and the ball sending valve 17 are closed, the ball receiving valve 13 is opened, and the rubber balls 16 enter the ball receiving chamber 15. After the rubber balls 16 completely enter the ball collecting chamber 15, the motor 10 is closed, the rotation of the rotating shaft 6 is stopped, then the ball collecting valve 13 is closed, the sewage inlet valve and the clean water inlet valve are opened, and the normal heat exchange mode is switched.
As shown in FIG. 2, the figure shows the clear water flow channel and the sewage flow channel of the heat exchanger. Clean water enters the lower end of the rotating shaft 6 from a clean water inlet 2 at the bottom of the heat exchanger through a shaft connecting device 11. Through the helical opening at the lower end of the rotation shaft 6, into the internal channel of the helical heat exchanger plate 7, up along the internal channel, to the helical opening at the upper end of the rotation shaft 6, then into the upper part of the rotation shaft, through the shaft connecting device 11, and out through the clean water outlet 3. The part between the spiral openings at the upper and lower ends of the rotating shaft is filled with filler, so that clear water is not allowed to pass through.
Sewage enters the heat exchanger from the sewage inlet 4 at the upper part, flows from top to bottom along the spiral space formed between two adjacent spiral heat exchange plates 7, and is discharged along the sewage outlet 5 after reaching the bottom of the heat exchanger. The contaminated water can also flow along the gap between the heat exchange plate 7 and the inner wall surface of the box 1, but the gap is designed to be small, so that most of the contaminated water flows along the spiral space. Sewage flows from top to bottom along the spiral space, has a scouring effect on the heat exchange surface, and dirt is not easy to accumulate under the action of water flow scouring and gravity. Therefore, the heat exchanger has certain self-cleaning function, and the cleaning time interval of the heat exchanger is prolonged.
As shown in fig. 3, the shaft connecting device 11 includes a connecting bolt 111, a packing 112 for sealing the rotating shaft, a connecting sleeve 113 for connecting the rotating shaft, and a connecting sleeve 114 for connecting the non-rotating shaft. The packing adopts wear-resistant packing with good sealing performance, and water can not leak in the rotation of the rotating shaft.
Because two upper and lower heat transfer surfaces of heat transfer plate 7 and the internal surface of box 1 are the contact surface of sewage, consequently, heat transfer plate 7 preferably adopts stainless steel material, in order to prevent the filth deposit, can adopt polishing treatment.
The invention is suitable for sewage heat exchange, the sewage flow channel adopts a wide flow channel, the inside of the flow channel is smooth and is not easy to block, the clear water and the sewage in the heat exchanger carry out countercurrent heat exchange, the heat exchange temperature difference is larger, and the heat exchange efficiency is higher. In addition, the sewage heat exchanger adopts the rubber ball on-line cleaning, and is suitable for heat exchange of sewage with poor water quality.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A vertical rotary sewage heat exchanger comprises a cylindrical box body and spiral heat exchange plates, wherein a sewage inlet and a clean water outlet are formed in the upper portion of the box body, a sewage outlet and a clean water inlet are formed in the lower portion of the box body, a rotary shaft is arranged in the center of the upper surface and the center of the lower surface of the box body, and a rubber ball cleaning device is arranged on the outer side surface of the box body;
the outer side surface of the box body is provided with a rubber ball cleaning circulating pipe, the upper part of the circulating pipe is connected with the top of the box body of the heat exchanger, the lower part of the circulating pipe is connected with the bottom of the box body of the heat exchanger, the circulating pipe is provided with a rubber ball circulating valve, a pipeline is arranged above the circulating valve and is connected with a ball collecting valve and a ball collecting chamber, the ball collecting chamber is also used as a ball distributing chamber, the bottom of the ball collecting chamber is provided with a pipeline connected with the ball distributing valve and the rubber ball cleaning circulating pipe, the outer side surface of the ball collecting chamber is provided with a hinge inward opening door which is convenient for taking out the rubber balls or adding the rubber balls inwards, when in normal heat exchange, a rotating shaft is not moved, when in need of cleaning, the sewage inlet valve and a clean water inlet valve are closed, sewage and clean water are not allowed to enter the heat exchanger, then a motor is started to drive a driving wheel to rotate, the driving wheel is connected with a driven wheel through a belt or a gear to drive the rotating shaft and a spiral heat exchange plate to rotate, opening a circulating valve and a ball serving valve, closing a ball collecting valve, enabling a rubber ball to enter a spiral heat exchange plate along a circulating pipe under the action of gravity, enabling the rubber ball to move from bottom to top along a spiral sewage flow passage under the action of rotation force, rubbing and impacting a heat exchange surface of the spiral heat exchange plate to take away dirt on the surface of the rubber ball, in the design, enabling the distance between two adjacent spiral heat exchange plates to be properly larger than the diameter of the rubber ball, enabling the rubber ball to be cleaned to the two surfaces of the spiral sewage flow passage without being clamped, enabling the rubber ball to roll to the bottom of a heat exchanger along the rubber ball circulating pipe after reaching the top of the spiral heat exchange plate and enter a bottom spiral, circulating the process to realize online cleaning of the rubber ball, adding clean water into a ball collecting chamber through a hinge inner opening door during cleaning, enhancing the cleaning effect of the rubber ball, keeping a rotating shaft rotating after cleaning is finished, closing the circulating valve and the ball serving valve, and opening a ball collecting valve to enable the rubber balls to enter the ball collecting chamber, closing the motor after the rubber balls completely enter the ball collecting chamber, stopping the rotation of the rotating shaft, then closing the ball collecting valve, opening a sewage inlet valve and a clear water inlet valve, and switching to a normal heat exchange mode.
2. The heat exchanger according to claim 1, wherein the rotary shaft is a thick-walled stainless steel pipe, two rotary bearings are provided at upper and lower wall positions of the housing, spiral openings are formed at upper and lower ends of the rotary shaft inside the heat exchanger to be welded to the heat exchange plates, the remaining portions are directly welded to the heat exchange plates, the inside of the pipe between the spiral openings of the rotary shaft is filled with a packing material, and a pipe of the rotary shaft outside the housing is connected to the clean water inlet and the clean water outlet through a pipe connection device.
3. The effluent heat exchanger of claim 1, wherein said helical heat exchange plates are each made of stainless steel.
4. The effluent heat exchanger of claim 1, wherein said cylindrical housing is formed of stainless steel.
5. The sewage heat exchanger as claimed in claim 1, wherein the part of the rotating shaft extending out of the bottom of the tank body is provided with a rotating driven wheel, and the rotating driven wheel is connected with a rotating driving wheel driven by a motor through a gear or a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710175698.4A CN106802107B (en) | 2017-03-22 | 2017-03-22 | Vertical rotary sewage heat exchanger and cleaning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710175698.4A CN106802107B (en) | 2017-03-22 | 2017-03-22 | Vertical rotary sewage heat exchanger and cleaning method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN106802107A CN106802107A (en) | 2017-06-06 |
| CN106802107B true CN106802107B (en) | 2022-08-05 |
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| CN201710175698.4A Expired - Fee Related CN106802107B (en) | 2017-03-22 | 2017-03-22 | Vertical rotary sewage heat exchanger and cleaning method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109323616A (en) * | 2018-11-20 | 2019-02-12 | 山东农业大学 | A kind of rubber ball cleaning type sewage heat exchanger and cleaning method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO178777C (en) * | 1994-05-09 | 1996-05-29 | Kvaerner Eng | Heat Exchanger |
| JP2000018888A (en) * | 1998-07-07 | 2000-01-18 | Ishikawajima Harima Heavy Ind Co Ltd | Steel ball tank |
| CN2839941Y (en) * | 2005-04-11 | 2006-11-22 | 浙江印染机械有限公司 | The rotary-type thermal recover |
| CN101303212A (en) * | 2007-05-11 | 2008-11-12 | 湖南工业大学 | Low current velocity fluidize cleaning type horizontal column pipe heat transfer equipment system |
| CN101303214A (en) * | 2007-05-11 | 2008-11-12 | 湖南工业大学 | Rotary fluid flow state cleaning type casing tube high-efficiency heat exchanger |
| CN102252538A (en) * | 2011-07-08 | 2011-11-23 | 雷诺特环境设备（北京）有限公司 | Dismantling- and washing-free centrifugal-type sewage heat exchanger |
| CN104713413B (en) * | 2013-12-13 | 2017-01-04 | 衢州学院 | A kind of heat exchanger online strengthening apparatus for eliminating sludge |
| CN205262257U (en) * | 2015-12-31 | 2016-05-25 | 狄海生 | Direct primary sewage spiral pipe plate heat exchanger |
| CN206876047U (en) * | 2017-03-22 | 2018-01-12 | 山东农业大学 | A kind of vertical rotating sewage heat exchanger |
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2017
- 2017-03-22 CN CN201710175698.4A patent/CN106802107B/en not_active Expired - Fee Related
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