CN204830985U - Stop using winter frostproofing treatment combination device of aqueous medium heat exchanger - Google Patents
Stop using winter frostproofing treatment combination device of aqueous medium heat exchanger Download PDFInfo
- Publication number
- CN204830985U CN204830985U CN201520592646.3U CN201520592646U CN204830985U CN 204830985 U CN204830985 U CN 204830985U CN 201520592646 U CN201520592646 U CN 201520592646U CN 204830985 U CN204830985 U CN 204830985U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- fluid reservoir
- pipeline
- water valve
- aqueous medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012736 aqueous medium Substances 0.000 title claims abstract description 18
- 238000011284 combination treatment Methods 0.000 title abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 124
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- 229910052757 nitrogen Inorganic materials 0.000 claims description 60
- 239000012530 fluid Substances 0.000 claims description 49
- 230000002528 anti-freeze Effects 0.000 claims description 19
- 230000007306 turnover Effects 0.000 claims description 5
- 241000521257 Hydrops Species 0.000 abstract description 9
- 206010030113 Oedema Diseases 0.000 abstract description 9
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 4
- 239000002609 medium Substances 0.000 description 8
- 230000008014 freezing Effects 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000009172 bursting Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a stop using winter frostproofing treatment combination device of aqueous medium heat exchanger, including nitrogen gas source and liquid storage pot, wherein the liquid storage pot installs ethylene glycol solution inside, and the liquid line of liquid storage pot divides period and heat exchanger pipeline intercommunication with the nitrogen gas pipeline in nitrogen gas source. The utility model discloses can make the emptying of heat exchanger pipeline liquid, can not take place because of having the hydrops to produce to freeze the phenomenon in the pipeline, and nitrogen gas does not have the oxidability, can avoid the oxidation of pipeline, improve life.
Description
Technical field
The utility model relates to a kind of antifreeze treating apparatus, the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using a kind of winter specifically.
Background technology
In prior art, heat-exchange system is as the heat exchanger etc. of blast furnace air dehumidifying unit, common practices antifreeze time in the winter time discharges water after stoppage in transit, has individually and increase gas purging to increase drainage effect, but especially have to some tube sides complexity the pipeline that part cannot be emptying, do not reach and be emptied completely effect.Heat transferring medium solution is put unclean, can cause residue hydrops freezed in winter in pipeline, bursting by freezing pipeline.Individually by the method that compressed air purges, because oxygen content in air is large, easily cause corrosive pipeline.Within 2nd year, use hourglass water system to run, can only repair, operation easier is very big, time-consuming, and most heat-exchanger products cannot be repaired, and can only cut off this tube side, cause heat exchange amount to decline, new bursting by freezing pipeline occurs again the coming year, and the aspects such as economy, performance and use all produce greater loss.
Utility model content
Weather effect is subject to when changing according to the season and shutting down for heat-exchange system in prior art; cause the deficiencies such as the freezing damage of heat exchanger tube; the technical problems to be solved in the utility model is to provide one and is not subject to weather effect when changing according to the season and shutting down, the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using a kind of winter reducing the freezing damage of heat exchanger tube.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The utility model to be stopped using the antifreeze treatment combined device of aqueous medium heat exchanger winter, and comprise source nitrogen and fluid reservoir, wherein the in-built ethylene glycol solution of fluid reservoir, the liquid line of fluid reservoir is communicated with heat exchange manifold at times with the nitrogen pipeline of source nitrogen.
The turnover pipeline of described heat exchanger is provided with an air valve and three water valves, heat exchange manifold upper port is located at by first water valve wherein in air valve and three water valves, heat exchange manifold lower port is all located at by little water valve and second largest water valve, and the nitrogen in source nitrogen and the ethylene glycol solution in fluid reservoir enter heat exchanger by air valve.
When ethylene glycol solution rinses, little water valve is communicated with fluid reservoir by pipeline.
The liquid line of fluid reservoir is provided with pump.
Concentration meter is provided with in fluid reservoir or in liquid line.
The utility model to be stopped using the antifreeze treatment combined device of aqueous medium heat exchanger winter, comprise source nitrogen and fluid reservoir, the wherein in-built ethylene glycol solution of fluid reservoir, the liquid line of fluid reservoir is communicated with heat exchange manifold after being connected by three-way connection with the nitrogen pipeline of source nitrogen again.
The turnover pipeline of described heat exchanger is provided with an air valve and three water valves, heat exchange manifold upper port is located at by first water valve wherein in air valve and three water valves, heat exchange manifold lower port is all located at by little water valve and second largest water valve, and the nitrogen in source nitrogen and the ethylene glycol solution in fluid reservoir enter heat exchanger by air valve.
Little water valve is communicated with fluid reservoir by pipeline, and little water valve and fluid reservoir connecting pipeline are provided with the first water valve and the second water valve.
The liquid line of fluid reservoir is provided with pump.
Concentration meter is provided with in fluid reservoir or in liquid line.
The utility model has following beneficial effect and advantage:
1. the utility model can make the emptying of heat exchange manifold liquid, can not occur because there being hydrops to produce the phenomenon that freezes in pipeline, and nitrogen does not have oxidisability, can avoid the oxidation of pipeline, improves service life.
Accompanying drawing explanation
Fig. 1 is the unit structural representation that dehumidifies in the utility model;
Fig. 2 is the utility model first embodiment gas circuit structure schematic diagram;
Fig. 3 is the utility model first embodiment fluid path structural representation;
Fig. 4 is the utility model second example structure schematic diagram.
Wherein, 1 is air valve, and 2 is first water valve, and 3 is little water valve, and 4 is second largest water valve, and 5 is nitrogen cylinder, and 6 is pump, and 7 is fluid reservoir, and 8 is concentration table, and 9 is the first water valve, and 10 is the second water valve.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further elaborated.
Embodiment 1
As shown in Figure 2,3, the utility model to be stopped using the antifreeze treatment combined device of aqueous medium heat exchanger a kind of winter, comprise source nitrogen and fluid reservoir 7, wherein the in-built ethylene glycol solution of fluid reservoir 7, the liquid line of fluid reservoir 7 is communicated with heat exchange manifold at times with the nitrogen pipeline of source nitrogen.
For adapting to installation and the connection of said structure, in the present embodiment, the turnover pipeline of heat exchanger is provided with an air valve 1 and three water valves, heat exchange manifold upper port is located at by first water valve 2 wherein in air valve 1 and three water valves, heat exchange manifold lower port is all located at by little water valve 3 and second largest water valve 4, and the nitrogen in source nitrogen (adopting nitrogen cylinder 5) and the ethylene glycol solution in fluid reservoir enter heat exchanger by air valve 1; The little water valve 3 of ethylene glycol solution circulation time is communicated with fluid reservoir 7 by pipeline; The concentration table measuring ethylene glycol solution concentration is provided with in fluid reservoir 7; The liquid line of fluid reservoir 7 is provided with pump 6.
As shown in Figure 1, the present embodiment is for the unit that dehumidifies, and heat exchanger is multiple, and be installed in a dehumidifying unit, as shown in Figure 1, each heat exchanger will carry out antifreeze process before weather turns cold in the connection of each heat exchanger.
The course of work of the present utility model is as follows: after heat exchanger discharges WATER AS FLOW MEDIUM or ethylene glycol solution, connect nitrogen cylinder 5, blow sky heat exchange manifold with nitrogen, after the liquid emptying in pipeline, then use high concentration (50% ~ 59%) ethylene glycol solution to pour into.Finally purge once with nitrogen again.Making the emptying of heat exchange manifold liquid, would not occurring like this, because there being hydrops to produce the phenomenon that freezes in pipeline, to be specially:
Step 1: open air valve 1 (along separate routes vent valve), close first water valve 2, closes second largest water valve 4 (along separate routes discharging valve), opens little water valve 3, release the inside medium, then close.
Step 2: the nitrogen pipeline of source nitrogen (i.e. nitrogen cylinder) is communicated with the air valve 1 of heat exchanger, open nitrogen cylinder 5, be filled with nitrogen to heat exchanger internal pipeline, after pressure reaches 6 atmospheric pressure by air valve 1 (along separate routes vent valve), open little water valve 3, discharge hydrops medium; (this step is done once, also can repeat to do twice); As Fig. 2
Step 3: close nitrogen cylinder 5, disconnect the air valve 1 of nitrogen pipeline and heat exchanger, the liquid line of fluid reservoir is communicated with heat exchange manifold, open little water valve 3 UNICOM's glycol circulation loop, the little valve 3 of UNICOM's water and fluid reservoir 7, start pump 6, be full of ethylene glycol solution to heat exchanger internal pipeline and liquid in-line is circulated 15 ~ 20 minutes, as Fig. 3.
Step 4: stop pump 6, disconnect liquid line and the heat exchange manifold of fluid reservoir, the nitrogen pipeline of source nitrogen (i.e. nitrogen cylinder) is communicated with again with the air valve 1 of heat exchanger, open air valve 1 (along separate routes vent valve), close second largest water valve 4 (along separate routes discharging valve), open nitrogen cylinder 5, nitrogen is filled with to heat exchanger internal pipeline by air valve 1 (along separate routes vent valve), after pressure reaches 6 atmospheric pressure, open little water valve 3, discharge hydrops medium, as Fig. 2.
During ethylene glycol washing circular flow, in fluid reservoir 7 or liquid line, be provided with concentration meter.Concentration meter display data lower than 40% time in fluid reservoir 7, add dense ethylene glycol solution, concentration adjusts to 50% ~ 59%.
In the present embodiment, air valve 1, first water valve 2, little water valve 3 and second largest water valve 4 both can have been installed on heat exchangers also can on system pipeline.
The utility model adopts nitrogen to substitute compressed air, reduces oxidation possibility.Close each heat exchanger grouping pipeline valve during operation, open venting and discharging valve along separate routes, put only and blow with nitrogen, then fill ethylene glycol, then blow with nitrogen.This method is independent for every platform equipment or heat exchange unit, and independent cleaning, uses above-mentioned evacuation procedure, avoids the freezing and oxidation of pipeline.
Embodiment 2
Be with the difference of embodiment 1: the utility model comprises source nitrogen and fluid reservoir, the wherein in-built ethylene glycol solution of fluid reservoir, the liquid line of fluid reservoir is communicated with heat exchange manifold after being connected by three-way connection with the nitrogen pipeline of source nitrogen again, and little water valve 3 is provided with the first water valve 9 and the second water valve 10 with fluid reservoir 7 connecting pipeline, as shown in Figure 4.
The course of work of the present embodiment is as follows: after heat exchanger discharges WATER AS FLOW MEDIUM or ethylene glycol solution, connect nitrogen cylinder 5, sky heat exchange manifold is blown with nitrogen, after the liquid emptying in pipeline, high concentration (50% ~ 59%) ethylene glycol solution is used to pour into again, finally purging once with nitrogen again, make the emptying of heat exchange manifold liquid, would not occurring like this because there being hydrops to produce the phenomenon that freezes in pipeline.Be specially:
Step 1: open air valve 1 (along separate routes vent valve), close first water valve 2, closes second largest water valve 4 (along separate routes discharging valve), opens little water valve 3;
Step 2: open nitrogen cylinder 5, nitrogen is filled with to heat exchanger internal pipeline by air valve 1 (along separate routes vent valve), after pressure reaches 6 atmospheric pressure, open the first water valve 9 (adopting three-way connection to connect), close the second water valve 10 and discharge hydrops medium; (this step is done once, also can repeat to do twice);
Step 3: close nitrogen cylinder 5, open the second water valve 10, close the first water valve 9, UNICOM's glycol circulation loop, starts pump 6, is full of ethylene glycol solution to heat exchanger internal pipeline, and liquid in-line is circulated 15 ~ 20 minutes;
Step 4: open air valve 1 again, turns off the second water valve 10, opens nitrogen cylinder 5, is filled with nitrogen, opens the first water valve 9, discharge hydrops medium after pressure reaches 6 atmospheric pressure by air valve 1 (along separate routes vent valve) to heat exchanger internal pipeline.
Visible, adopt three-way connection to connect the liquid line of fluid reservoir 7, the nitrogen pipeline of source nitrogen and heat exchange manifold, eliminate the trouble of frequent plug liquid line or nitrogen pipeline joint.
Claims (10)
1. to stop using in winter the antifreeze treatment combined device of aqueous medium heat exchanger, it is characterized in that: comprise source nitrogen and fluid reservoir, the wherein in-built ethylene glycol solution of fluid reservoir, the liquid line of fluid reservoir is communicated with heat exchange manifold at times with the nitrogen pipeline of source nitrogen.
2. by the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using winter according to claim 1, it is characterized in that: the turnover pipeline of described heat exchanger is provided with an air valve and three water valves, heat exchange manifold upper port is located at by first water valve wherein in air valve and three water valves, heat exchange manifold lower port is all located at by little water valve and second largest water valve, and the nitrogen in source nitrogen and the ethylene glycol solution in fluid reservoir enter heat exchanger by air valve.
3. by the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using winter according to claim 2, it is characterized in that: when ethylene glycol solution rinses, little water valve is communicated with fluid reservoir by pipeline.
4. by the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using winter according to claim 2, it is characterized in that: on the liquid line of fluid reservoir, be provided with pump.
5., by the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using winter according to claim 1, it is characterized in that: in fluid reservoir or in liquid line, be provided with concentration meter.
6. to stop using in winter the antifreeze treatment combined device of aqueous medium heat exchanger, it is characterized in that: comprise source nitrogen and fluid reservoir, the wherein in-built ethylene glycol solution of fluid reservoir, the liquid line of fluid reservoir is communicated with heat exchange manifold after being connected by three-way connection with the nitrogen pipeline of source nitrogen again.
7. by the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using winter according to claim 6, it is characterized in that: the turnover pipeline of described heat exchanger is provided with an air valve and three water valves, heat exchange manifold upper port is located at by first water valve wherein in air valve and three water valves, heat exchange manifold lower port is all located at by little water valve and second largest water valve, and the nitrogen in source nitrogen and the ethylene glycol solution in fluid reservoir enter heat exchanger by air valve.
8. by the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using winter according to claim 7, it is characterized in that: little water valve is communicated with fluid reservoir by pipeline, and little water valve and fluid reservoir connecting pipeline are provided with the first water valve and the second water valve.
9. by the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using winter according to claim 7, it is characterized in that: on the liquid line of fluid reservoir, be provided with pump.
10., by the antifreeze treatment combined device of aqueous medium heat exchanger of stopping using winter according to claim 6, it is characterized in that: in fluid reservoir or in liquid line, be provided with concentration meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592646.3U CN204830985U (en) | 2015-08-07 | 2015-08-07 | Stop using winter frostproofing treatment combination device of aqueous medium heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592646.3U CN204830985U (en) | 2015-08-07 | 2015-08-07 | Stop using winter frostproofing treatment combination device of aqueous medium heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204830985U true CN204830985U (en) | 2015-12-02 |
Family
ID=54688578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520592646.3U Expired - Fee Related CN204830985U (en) | 2015-08-07 | 2015-08-07 | Stop using winter frostproofing treatment combination device of aqueous medium heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204830985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163598A (en) * | 2018-07-05 | 2019-01-08 | 珠海格力电器股份有限公司 | A kind of double-tube heat exchanger water side system anti-corrosive apparatus and method |
| CN110514617A (en) * | 2018-05-22 | 2019-11-29 | 泰科电子(上海)有限公司 | Concentration detection apparatus, concentration measurement and control device and solar water heater |
-
2015
- 2015-08-07 CN CN201520592646.3U patent/CN204830985U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514617A (en) * | 2018-05-22 | 2019-11-29 | 泰科电子(上海)有限公司 | Concentration detection apparatus, concentration measurement and control device and solar water heater |
| CN109163598A (en) * | 2018-07-05 | 2019-01-08 | 珠海格力电器股份有限公司 | A kind of double-tube heat exchanger water side system anti-corrosive apparatus and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204830985U (en) | Stop using winter frostproofing treatment combination device of aqueous medium heat exchanger | |
| CN203744630U (en) | Automatic ice removing machine | |
| CN211120724U (en) | Cooling water circulation equipment with closed cooling tower freeze-proof device | |
| CN203190860U (en) | Closed cooling tower inclined anti-freezing heat exchange coil pipe | |
| CN204126853U (en) | Residual heat of air compressor reclaims unit waterway structure | |
| CN203167500U (en) | Safe water circulation system | |
| CN204718744U (en) | A kind of structure for pressure test equipment of U heat exchange | |
| CN1197979C (en) | Joint soft water sealing and circular cooling system | |
| CN205138731U (en) | Heat exchanger gas tightness detection device | |
| WO2021042767A1 (en) | Waterway pipelines with temperature control function and wine aging device | |
| CN204138689U (en) | A kind of blast furnace multistage connection inclosed recirculated cooling water system leak detection device | |
| CN203392886U (en) | Efficient oxygen removing device for high-temperature and high-pressure circulating water | |
| CN208262124U (en) | Protective gas processing system for vacuum brazing stove | |
| CN106468465A (en) | Winter energy reclaims refrigeration system and its refrigerating method | |
| CN204963054U (en) | Refrigerating system was retrieved to energy winter | |
| CN207298354U (en) | It is a kind of can automatic continuous discharge opeing water seal arrangement | |
| CN203274582U (en) | Horizontal pipe type cooling tower with leakage test and maintenance functions | |
| CN215574159U (en) | Nuclear power station primary loop sampling system cooling water supply system | |
| CN113324354B (en) | Anti-freezing secondary refrigerant recycling device for energy tower central air-conditioning system | |
| CN219995646U (en) | Freeze-drying anti-cracking pipe device | |
| CN216236092U (en) | Chemical dosing system capable of automatically emptying dosing pipeline | |
| CN203657544U (en) | Winter anti-freezing device for closed cooling tower | |
| CN219301248U (en) | Medium autonomous discharge system | |
| CN203657304U (en) | Integration test car for air conditioning system | |
| CN203805269U (en) | Mold temperature controller capable of exhausting automatically |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161019 Address after: 907, room 18, block A, Xinghua North Street, Tiexi District, Liaoning, Shenyang, 110020 Patentee after: SHENYANG JIAYE ENERGY TECHNOLOGY CO.,LTD. Address before: Tiexi Yunfeng North Street District of Shenyang City, Liaoning province 110020 No. 62 block B No. B-2006 Patentee before: Shenyang Haisheng Artificial Environment Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |