CN112361871A - Method for descaling plate heat exchanger - Google Patents
Method for descaling plate heat exchanger Download PDFInfo
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- CN112361871A CN112361871A CN202011159929.0A CN202011159929A CN112361871A CN 112361871 A CN112361871 A CN 112361871A CN 202011159929 A CN202011159929 A CN 202011159929A CN 112361871 A CN112361871 A CN 112361871A
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- cleaning liquid
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004140 cleaning Methods 0.000 claims abstract description 140
- 230000008569 process Effects 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 8
- 238000005554 pickling Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000001066 destructive effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 description 10
- 238000005457 optimization Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a descaling method for a plate heat exchanger, which relates to the technical field of heat exchanger application and comprises a heat exchanger, wherein a primary side and a secondary side are arranged on the heat exchanger and are two independent circulation processes, quick interfaces are additionally arranged on a primary side inlet and outlet pipeline and a secondary side inlet and outlet pipeline, the quick interfaces are connected with an acid cleaning solution device for cleaning, and the heat exchanger comprises a secondary side outlet pipeline, a secondary side cleaning solution inlet, a secondary side inlet pipeline, a secondary side cleaning solution outlet, a primary side outlet pipeline, a primary side cleaning solution inlet, a primary side inlet pipeline and a primary side cleaning solution outlet. According to the method for descaling the plate heat exchanger, the quick connector is added at the connector, disassembly-free quick cleaning is adopted, the cleaning solution is a non-destructive solution for the heat exchanger, dirt in the heat exchanger is cleaned through mechanical pressurization circulation, the heat exchange efficiency is increased, convenience and rapidness are realized, quick connection can be realized during field installation, and later maintenance is facilitated.
Description
Technical Field
The invention relates to the technical field of heat exchanger application, in particular to a method for descaling a plate heat exchanger.
Background
The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes, thin rectangular channels are formed among various plate sheets, and heat exchange is carried out through the plate sheets. The plate heat exchanger is an ideal device for carrying out heat exchange between liquid and gas, and has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like, under the condition of the same pressure loss, the heat transfer coefficient of the plate heat exchanger is 3-5 times higher than that of the tube heat exchanger, the occupied area is one third of that of the tube heat exchanger, the heat recovery rate can reach more than 90 percent, the plate heat exchanger is a common heat exchange device at present and is widely applied to the departments of metallurgy, mine, petroleum, chemical industry, electric power, medicine, food, chemical fiber, paper making, light spinning, ships, heat supply and the like at present, and the plate heat exchanger is a high-efficiency heat exchanger formed by stacking metal sheets with certain corrugated shapes.
Thin rectangular channels are formed among various plates, heat exchange is carried out through the plates, and the plate heat exchanger is ideal equipment for liquid-liquid heat exchange and has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like; scaling, dirty stifled etc. easily appear in the use, and the scale deposit leads to heat exchange efficiency to reduce by a wide margin, uses the detergent or utilizes professional descaling method, needs to carry out artifical dismantlement washing, and it is long to dismantle the washing time, and is inefficient, influences the normal operating of system, and artifical dismantlement maintenance cost is higher, causes the fortune to maintain the scale removal cost too high, leads to the result of use effect general, for this reason, proposes a method for plate heat exchanger scale removal and solves above-mentioned problem.
Disclosure of Invention
In view of the deficiencies of the prior art, the present invention provides a method for descaling a plate heat exchanger, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the method for descaling the plate heat exchanger comprises the heat exchanger, wherein a primary side and a secondary side which are independent circulation processes are arranged on the heat exchanger, quick interfaces are additionally arranged on a primary side and a secondary side inlet and outlet pipeline and are connected with an acid cleaning solution device through the quick interfaces for cleaning, the heat exchanger comprises a secondary side outlet pipeline, a secondary side cleaning solution inlet, a secondary side inlet pipeline, a secondary side cleaning solution outlet, a primary side outlet pipeline, a primary side cleaning solution inlet, a primary side inlet pipeline and a primary side cleaning solution outlet, and the method for descaling the heat exchanger comprises the following steps:
s1, before the cleaning device is connected, closing the secondary side outlet pipeline, the secondary side inlet pipeline, the primary side outlet pipeline and the inlet and outlet butterfly valves of the primary side inlet pipeline, and cleaning in a counter-current mode;
s2, the cleaning device is firstly connected with a secondary side cleaning liquid inlet and a secondary side cleaning liquid outlet quick interface, an interface ball valve is opened, and cleaning liquid is conveyed by a water pump to enter the secondary side for circular cleaning;
s3, after cleaning, discharging cleaning liquid to the cleaning liquid storage tank through a secondary side cleaning liquid outlet port end, and closing a secondary side cleaning liquid inlet and a quick port end ball valve of the secondary side cleaning liquid outlet after cleaning;
s4, connecting the quick interface end of the primary side cleaning liquid inlet and the primary side cleaning liquid outlet, the cleaning liquid entering the primary side for circular cleaning, and discharging to the cleaning liquid storage tank through the quick interface of the primary side cleaning liquid outlet after cleaning;
and S5, closing the quick interface end ball valves of the primary side cleaning liquid inlet and the primary side cleaning liquid outlet after cleaning, and finishing the cleaning and descaling work of the heat exchanger.
Further optimize this technical scheme, pickling washing liquid device includes coupling hose, water pump and pickling washing liquid bin.
Further optimize this technical scheme, the import and export of secondary side outlet pipeline, secondary side inlet pipeline, primary side outlet pipeline and primary side inlet pipeline all fixed mounting have the butterfly valve that is used for controlling business turn over water.
Further optimizing this technical scheme, the kneck of secondary side washing liquid import, secondary side washing liquid export, primary side washing liquid import and primary side washing liquid export all fixed mounting has the ball valve that is used for controlling the liquid business turn over.
Further optimize this technical scheme, turn left from the right side at the top of heat exchanger one side and set gradually secondary side outlet duct and a side inlet duct, be in on the same water flat line between secondary side outlet duct and the side inlet duct.
Further optimize this technical scheme, turn left from the right side in the bottom of heat exchanger one side and set gradually secondary side inlet pipe and a side outlet pipe, be in on the same water flat line between secondary side inlet pipe and the side outlet pipe.
Further optimizing the technical scheme, one side of the secondary side outlet pipeline is provided with a secondary side cleaning liquid inlet, and one side of the secondary side inlet pipeline is provided with a secondary side cleaning liquid outlet.
Further optimizing the technical scheme, the secondary side inlet pipeline and the secondary side cleaning liquid outlet are respectively positioned right below the secondary side outlet pipeline and the secondary side cleaning liquid inlet.
Further optimizing this technical scheme, one side of once side outlet channel is provided with once side washing liquid import, one side of once side inlet channel is provided with once side washing liquid export.
Further optimizing the technical scheme, the primary side outlet pipeline and the primary side cleaning liquid inlet are respectively positioned right below the primary side inlet pipeline and the primary side cleaning liquid outlet.
Compared with the prior art, the invention provides a method for descaling a plate heat exchanger, which has the following beneficial effects:
1. according to the method for descaling the plate heat exchanger, the quick connector is added at the connector, disassembly-free quick cleaning is adopted, the cleaning solution is a non-destructive solution for the heat exchanger, dirt in the heat exchanger is cleaned through mechanical pressurization circulation, the heat exchange efficiency is increased, convenience and rapidness are realized, quick connection can be realized during field installation, and later maintenance is facilitated.
2. The method for descaling the plate heat exchanger improves the descaling degree of the heat exchanger and the heat exchange efficiency, is safe and reliable, is simple and easy to operate, has low cost, and is suitable for long-time operation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a method for descaling a plate heat exchanger according to the present invention;
fig. 2 is a structural side view of a method for descaling a plate heat exchanger according to the present invention.
In the figure: 1. a secondary side outlet conduit; 1', a secondary side cleaning liquid inlet; 2. a secondary side inlet duct; 2', a secondary side cleaning liquid outlet; 3. a primary side outlet conduit; 3', a primary side cleaning liquid inlet; 4. a primary side inlet duct; 4' and a primary side cleaning liquid outlet.
Detailed Description
Example (b):
in order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-2, a method for descaling a plate heat exchanger includes a heat exchanger having a primary side and a secondary side which are independent cycles, quick connectors are additionally arranged on the primary side inlet and outlet pipeline and connected with an acid cleaning solution device through the quick connectors for cleaning, the heat exchanger comprises a secondary side outlet pipeline 1, a secondary side cleaning liquid inlet 1 ', a secondary side inlet pipeline 2, a secondary side cleaning liquid outlet 2', a primary side outlet pipeline 3, a primary side cleaning liquid inlet 3 ', a primary side inlet pipeline 4 and a primary side cleaning liquid outlet 4', the improved method improves the descaling treatment degree of the heat exchanger, therefore, the heat exchange efficiency of the heat exchanger is improved, the service cycle of equipment is prolonged, the maintenance cost is reduced, the method is safe and reliable, the operation is convenient, and the method suitable for operating the heat exchanger for a long time for descaling comprises the following steps:
s1, before the cleaning device is connected, the inlet and outlet butterfly valves of the secondary side outlet pipeline 1, the secondary side inlet pipeline 2, the primary side outlet pipeline 3 and the primary side inlet pipeline 4 are closed, and cleaning is carried out in a countercurrent mode;
s2, the cleaning device is connected with a quick interface of a secondary side cleaning liquid inlet 1 'and a secondary side cleaning liquid outlet 2' and opens an interface ball valve, and cleaning liquid is conveyed by a water pump to enter the secondary side for circular cleaning;
s3, after cleaning, discharging the cleaning liquid to the cleaning liquid storage tank through the interface end of the secondary side cleaning liquid outlet 2 ', and closing the quick interface end ball valves of the secondary side cleaning liquid inlet 1 ' and the secondary side cleaning liquid outlet 2 ' after cleaning;
s4, connecting the quick interface end of the primary side cleaning liquid inlet 3 ' and the primary side cleaning liquid outlet 4 ', the cleaning liquid entering the primary side for circular cleaning, and discharging the cleaned liquid to the cleaning liquid storage tank through the quick interface of the primary side cleaning liquid outlet 4 ';
and S5, closing the quick interface end ball valves of the primary side cleaning liquid inlet 3 'and the primary side cleaning liquid outlet 4' after cleaning, and finishing the cleaning and descaling work of the heat exchanger.
As a specific optimization scheme of this embodiment, the pickling cleaning solution device includes a connection hose, a water pump, and a pickling cleaning solution storage tank.
As a specific optimization scheme of this embodiment, the inlets and outlets of the secondary side outlet pipeline 1, the secondary side inlet pipeline 2, the primary side outlet pipeline 3, and the primary side inlet pipeline 4 are all fixedly installed with butterfly valves for controlling water inlet and outlet.
As a specific optimization scheme of this embodiment, ball valves for controlling liquid to enter and exit are fixedly installed at the interfaces of the secondary side cleaning liquid inlet 1 ', the secondary side cleaning liquid outlet 2', the primary side cleaning liquid inlet 3 'and the primary side cleaning liquid outlet 4'.
As a specific optimization scheme of this embodiment, a secondary side outlet pipeline 1 and a primary side inlet pipeline 4 are sequentially arranged from right to left at the top of one side of the heat exchanger, and the secondary side outlet pipeline 1 and the primary side inlet pipeline 4 are on the same horizontal line.
As a specific optimization scheme of this embodiment, a secondary side inlet pipeline 2 and a primary side outlet pipeline 3 are sequentially arranged from right to left at the bottom of one side of the heat exchanger, and the secondary side inlet pipeline 2 and the primary side outlet pipeline 3 are on the same horizontal line.
As a specific optimization scheme of this embodiment, a secondary side cleaning solution inlet 1 'is disposed at one side of the secondary side outlet pipeline 1, and a secondary side cleaning solution outlet 2' is disposed at one side of the secondary side inlet pipeline 2.
As a specific optimization scheme of this embodiment, the secondary side inlet pipeline 2 and the secondary side cleaning solution outlet 2 'are respectively located right below the secondary side outlet pipeline 1 and the secondary side cleaning solution inlet 1'.
As a specific optimization scheme of the present embodiment, one side of the primary side outlet pipe 3 is provided with a primary side cleaning liquid inlet 3 ', and one side of the primary side inlet pipe 4 is provided with a primary side cleaning liquid outlet 4'.
As a specific optimization scheme of this embodiment, the primary side outlet pipe 3 and the primary side cleaning liquid inlet 3 'are respectively located right below the primary side inlet pipe 4 and the primary side cleaning liquid outlet 4'.
The invention has the beneficial effects that:
1. according to the method for descaling the plate heat exchanger, the quick connector is added at the connector, disassembly-free quick cleaning is adopted, the cleaning solution is a non-destructive solution for the heat exchanger, dirt in the heat exchanger is cleaned through mechanical pressurization circulation, the heat exchange efficiency is increased, convenience and rapidness are realized, quick connection can be realized during field installation, and later maintenance is facilitated.
2. The method for descaling the plate heat exchanger improves the descaling degree of the heat exchanger and the heat exchange efficiency, is safe and reliable, is simple and easy to operate, has low cost, and is suitable for long-time operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The method for descaling the plate heat exchanger comprises a heat exchanger and is characterized in that a primary side and a secondary side are arranged on the heat exchanger and are two independent circulation processes, quick interfaces are additionally arranged on a primary side water inlet and outlet pipeline and a secondary side water outlet pipeline, and the heat exchanger is cleaned by connecting a quick interface with an acid cleaning liquid device, and comprises a secondary side outlet pipeline (1), a secondary side cleaning liquid inlet (1 '), a secondary side inlet pipeline (2), a secondary side cleaning liquid outlet (2'), a primary side outlet pipeline (3), a primary side cleaning liquid inlet (3 '), a primary side inlet pipeline (4) and a primary side cleaning liquid outlet (4'), wherein the method for descaling the heat exchanger comprises the following steps:
s1, before connecting the cleaning device, closing the inlet and outlet butterfly valves of the secondary side outlet pipeline (1), the secondary side inlet pipeline (2), the primary side outlet pipeline (3) and the primary side inlet pipeline (4), and cleaning in a countercurrent mode;
s2, the cleaning device is connected with a quick interface of a secondary side cleaning liquid inlet (1 ') and a secondary side cleaning liquid outlet (2') and opens an interface ball valve, and a water pump conveys cleaning liquid to enter the secondary side for circular cleaning;
s3, after cleaning, the cleaning liquid is discharged to the cleaning liquid storage tank through the interface end of the secondary side cleaning liquid outlet (2 '), and after cleaning, the quick interface end ball valves of the secondary side cleaning liquid inlet (1 ') and the secondary side cleaning liquid outlet (2 ') are closed;
s4, connecting the quick interface end of the primary side cleaning liquid inlet (3 ') and the primary side cleaning liquid outlet (4 '), the cleaning liquid enters the primary side for circular cleaning, and after cleaning, the cleaning liquid is discharged into the cleaning liquid storage tank through the quick interface of the primary side cleaning liquid outlet (4 ');
and S5, closing the quick interface end ball valves of the primary side cleaning liquid inlet (3 ') and the primary side cleaning liquid outlet (4') after cleaning, and finishing the cleaning and descaling work of the heat exchanger.
2. The method for descaling a plate heat exchanger according to claim 1, wherein the pickling solution device comprises a connection hose, a water pump and a pickling solution storage tank.
3. A method for descaling a plate heat exchanger according to claim 1, wherein the inlets and outlets of the secondary side outlet pipe (1), the secondary side inlet pipe (2), the primary side outlet pipe (3) and the primary side inlet pipe (4) are fixedly provided with butterfly valves for controlling water inlet and outlet.
4. A method for descaling a plate heat exchanger according to claim 1, wherein ball valves for controlling the liquid inlet and outlet are fixedly installed at the interfaces of the secondary side cleaning liquid inlet (1 '), the secondary side cleaning liquid outlet (2'), the primary side cleaning liquid inlet (3 ') and the primary side cleaning liquid outlet (4').
5. A method for descaling a plate heat exchanger according to claim 1, wherein the secondary side outlet pipe (1) and the primary side inlet pipe (4) are arranged on the top of one side of the heat exchanger from right to left, and the secondary side outlet pipe (1) and the primary side inlet pipe (4) are on the same horizontal line.
6. A method for descaling a plate heat exchanger according to claim 1, wherein the heat exchanger side bottom is provided with a secondary side inlet pipe (2) and a primary side outlet pipe (3) in turn from right to left, and the secondary side inlet pipe (2) and the primary side outlet pipe (3) are on the same horizontal line.
7. A method for descaling a plate heat exchanger according to claim 1, wherein one side of the secondary side outlet conduit (1) is provided with a secondary side cleaning liquid inlet (1 '), and one side of the secondary side inlet conduit (2) is provided with a secondary side cleaning liquid outlet (2').
8. A method for descaling a plate heat exchanger according to claim 7, wherein the secondary side inlet duct (2) and the secondary side cleaning liquid outlet (2 ') are located directly below the secondary side outlet duct (1) and the secondary side cleaning liquid inlet (1'), respectively.
9. A method for descaling a plate heat exchanger according to claim 1, wherein one side of the primary side outlet channel (3) is provided with a primary side cleaning liquid inlet (3 '), and one side of the primary side inlet channel (4) is provided with a primary side cleaning liquid outlet (4').
10. A method for descaling a plate heat exchanger according to claim 1, wherein the primary-side outlet conduit (3) and the primary-side cleaning fluid inlet (3 ') are located directly below the primary-side inlet conduit (4) and the primary-side cleaning fluid outlet (4'), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011159929.0A CN112361871A (en) | 2020-10-27 | 2020-10-27 | Method for descaling plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011159929.0A CN112361871A (en) | 2020-10-27 | 2020-10-27 | Method for descaling plate heat exchanger |
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| CN112361871A true CN112361871A (en) | 2021-02-12 |
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| CN202011159929.0A Pending CN112361871A (en) | 2020-10-27 | 2020-10-27 | Method for descaling plate heat exchanger |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203037141U (en) * | 2013-02-01 | 2013-07-03 | 天津市津能双鹤热力设备有限公司 | Descaling device of plate-type heat exchanger |
| CN204438906U (en) * | 2015-01-22 | 2015-07-01 | 南通华耐特石墨设备有限公司 | Graphite heat exchanger on-line cleaning apparatus for eliminating sludge |
| CN205580291U (en) * | 2016-05-04 | 2016-09-14 | 大唐韩城第二发电有限责任公司 | Plate heat exchanger from belt cleaning device |
| CN208736240U (en) * | 2018-06-14 | 2019-04-12 | 上海丰律流体技术有限公司 | A kind of system judging plate heat exchanger blocking certainly |
| CN210346468U (en) * | 2019-06-28 | 2020-04-17 | Omexell(济南)传热技术有限公司 | Heat exchanger with back flush function |
-
2020
- 2020-10-27 CN CN202011159929.0A patent/CN112361871A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203037141U (en) * | 2013-02-01 | 2013-07-03 | 天津市津能双鹤热力设备有限公司 | Descaling device of plate-type heat exchanger |
| CN204438906U (en) * | 2015-01-22 | 2015-07-01 | 南通华耐特石墨设备有限公司 | Graphite heat exchanger on-line cleaning apparatus for eliminating sludge |
| CN205580291U (en) * | 2016-05-04 | 2016-09-14 | 大唐韩城第二发电有限责任公司 | Plate heat exchanger from belt cleaning device |
| CN208736240U (en) * | 2018-06-14 | 2019-04-12 | 上海丰律流体技术有限公司 | A kind of system judging plate heat exchanger blocking certainly |
| CN210346468U (en) * | 2019-06-28 | 2020-04-17 | Omexell(济南)传热技术有限公司 | Heat exchanger with back flush function |
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Application publication date: 20210212 |
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